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4jcraft/Minecraft.Client/Platform/Common/Audio/miniaudio.h
Liriosha 191634264f Shrink miniaudio.h and stb_vorbis.h
2026-03-18 22:31:24 -04:00

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/*
miniaudio.h by David Reid
This is free and unencumbered software released into the public domain.
Anyone is free to copy, modify, publish, use, compile, sell, or distribute this
software, either in source code form or as a compiled binary, for any purpose,
commercial or non-commercial, and by any means.
In jurisdictions that recognize copyright laws, the author or authors of this
software dedicate any and all copyright interest in the software to the public
domain. We make this dedication for the benefit of the public at large and to
the detriment of our heirs and successors. We intend this dedication to be an
overt act of relinquishment in perpetuity of all present and future rights to
this software under copyright law.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
For more information, please refer to <http://unlicense.org/>
*/
#ifndef miniaudio_h
#define miniaudio_h
#ifdef __cplusplus
extern "C" {
#endif
#define MA_STRINGIFY(x) #x
#define MA_XSTRINGIFY(x) MA_STRINGIFY(x)
#define MA_VERSION_MAJOR 0
#define MA_VERSION_MINOR 11
#define MA_VERSION_REVISION 24
#define MA_VERSION_STRING MA_XSTRINGIFY(MA_VERSION_MAJOR) "." MA_XSTRINGIFY(MA_VERSION_MINOR) "." MA_XSTRINGIFY(MA_VERSION_REVISION)
#if defined(_MSC_VER) && !defined(__clang__)
#pragma warning(push)
#pragma warning(disable:4201)
#pragma warning(disable:4214)
#pragma warning(disable:4324)
#elif defined(__clang__) || (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)))
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wpedantic"
#if defined(__clang__)
#pragma GCC diagnostic ignored "-Wc11-extensions"
#endif
#endif
#if defined(__LP64__) || defined(_WIN64) || (defined(__x86_64__) && !defined(__ILP32__)) || defined(_M_X64) || defined(__ia64) || defined(_M_IA64) || defined(__aarch64__) || defined(_M_ARM64) || defined(__powerpc64__) || defined(__ppc64__)
#define MA_SIZEOF_PTR 8
#else
#define MA_SIZEOF_PTR 4
#endif
#include <stddef.h>
#if defined(MA_USE_STDINT)
#include <stdint.h>
typedef int8_t ma_int8;
typedef uint8_t ma_uint8;
typedef int16_t ma_int16;
typedef uint16_t ma_uint16;
typedef int32_t ma_int32;
typedef uint32_t ma_uint32;
typedef int64_t ma_int64;
typedef uint64_t ma_uint64;
#else
typedef signed char ma_int8;
typedef unsigned char ma_uint8;
typedef signed short ma_int16;
typedef unsigned short ma_uint16;
typedef signed int ma_int32;
typedef unsigned int ma_uint32;
#if defined(_MSC_VER) && !defined(__clang__)
typedef signed long long ma_int64;
typedef unsigned long long ma_uint64;
#else
#if defined(__clang__) || (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)))
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wlong-long"
#if defined(__clang__)
#pragma GCC diagnostic ignored "-Wc++11-long-long"
#endif
#endif
typedef signed long long ma_int64;
typedef unsigned long long ma_uint64;
#if defined(__clang__) || (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)))
#pragma GCC diagnostic pop
#endif
#endif
#endif
#if MA_SIZEOF_PTR == 8
typedef ma_uint64 ma_uintptr;
#else
typedef ma_uint32 ma_uintptr;
#endif
typedef ma_uint8 ma_bool8;
typedef ma_uint32 ma_bool32;
#define MA_TRUE 1
#define MA_FALSE 0
typedef float ma_float;
typedef double ma_double;
typedef void* ma_handle;
typedef void* ma_ptr;
#if defined(__GNUC__)
typedef void (*ma_proc)(void);
#else
typedef void* ma_proc;
#endif
#if defined(_MSC_VER) && !defined(_WCHAR_T_DEFINED)
typedef ma_uint16 wchar_t;
#endif
#ifndef NULL
#define NULL 0
#endif
#if defined(SIZE_MAX)
#define MA_SIZE_MAX SIZE_MAX
#else
#define MA_SIZE_MAX 0xFFFFFFFF
#endif
#define MA_UINT64_MAX (((ma_uint64)0xFFFFFFFF << 32) | (ma_uint64)0xFFFFFFFF)
#if defined(_WIN32)
#define MA_WIN32
#if defined(MA_FORCE_UWP) || (defined(WINAPI_FAMILY) && ((defined(WINAPI_FAMILY_PC_APP) && WINAPI_FAMILY == WINAPI_FAMILY_PC_APP) || (defined(WINAPI_FAMILY_PHONE_APP) && WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP)))
#define MA_WIN32_UWP
#elif defined(WINAPI_FAMILY) && (defined(WINAPI_FAMILY_GAMES) && WINAPI_FAMILY == WINAPI_FAMILY_GAMES)
#define MA_WIN32_GDK
#elif defined(NXDK)
#define MA_WIN32_NXDK
#else
#define MA_WIN32_DESKTOP
#endif
#if defined(NXDK)
#define MA_XBOX
#if defined(NXDK)
#define MA_XBOX_NXDK
#endif
#endif
#endif
#if defined(__MSDOS__) || defined(MSDOS) || defined(_MSDOS) || defined(__DOS__)
#define MA_DOS
#ifndef MA_NO_THREADING
#define MA_NO_THREADING
#endif
#ifndef MA_NO_RUNTIME_LINKING
#define MA_NO_RUNTIME_LINKING
#endif
#endif
#if !defined(MA_WIN32) && !defined(MA_DOS)
#define MA_POSIX
#if !defined(MA_NO_THREADING)
#ifndef MA_NO_PTHREAD_IN_HEADER
#include <pthread.h>
typedef pthread_t ma_pthread_t;
typedef pthread_mutex_t ma_pthread_mutex_t;
typedef pthread_cond_t ma_pthread_cond_t;
#else
typedef ma_uintptr ma_pthread_t;
typedef union ma_pthread_mutex_t { char __data[40]; ma_uint64 __alignment; } ma_pthread_mutex_t;
typedef union ma_pthread_cond_t { char __data[48]; ma_uint64 __alignment; } ma_pthread_cond_t;
#endif
#endif
#if defined(__unix__)
#define MA_UNIX
#endif
#if defined(__linux__)
#define MA_LINUX
#endif
#if defined(__APPLE__)
#define MA_APPLE
#endif
#if defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
#define MA_BSD
#endif
#if defined(__ANDROID__)
#define MA_ANDROID
#endif
#if defined(__EMSCRIPTEN__)
#define MA_EMSCRIPTEN
#endif
#if defined(__ORBIS__)
#define MA_ORBIS
#endif
#if defined(__PROSPERO__)
#define MA_PROSPERO
#endif
#if defined(__3DS__)
#define MA_3DS
#endif
#if defined(__SWITCH__) || defined(__NX__)
#define MA_SWITCH
#endif
#if defined(__BEOS__) || defined(__HAIKU__)
#define MA_BEOS
#endif
#if defined(__HAIKU__)
#define MA_HAIKU
#endif
#endif
#if !defined(MA_FALLTHROUGH) && defined(__cplusplus) && __cplusplus >= 201703L
#define MA_FALLTHROUGH [[fallthrough]]
#endif
#if !defined(MA_FALLTHROUGH) && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 202000L
#define MA_FALLTHROUGH [[fallthrough]]
#endif
#if !defined(MA_FALLTHROUGH) && defined(__has_attribute)
#if __has_attribute(fallthrough)
#define MA_FALLTHROUGH __attribute__((fallthrough))
#endif
#endif
#if !defined(MA_FALLTHROUGH)
#define MA_FALLTHROUGH ((void)0)
#endif
#ifdef _MSC_VER
#define MA_INLINE __forceinline
#if _MSC_VER >= 1400
#define MA_NO_INLINE __declspec(noinline)
#else
#define MA_NO_INLINE
#endif
#elif defined(__GNUC__)
#if defined(__STRICT_ANSI__)
#define MA_GNUC_INLINE_HINT __inline__
#else
#define MA_GNUC_INLINE_HINT inline
#endif
#if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)) || defined(__clang__)
#define MA_INLINE MA_GNUC_INLINE_HINT __attribute__((always_inline))
#define MA_NO_INLINE __attribute__((noinline))
#else
#define MA_INLINE MA_GNUC_INLINE_HINT
#define MA_NO_INLINE
#endif
#elif defined(__WATCOMC__)
#define MA_INLINE __inline
#define MA_NO_INLINE
#else
#define MA_INLINE
#define MA_NO_INLINE
#endif
#if defined(MA_DLL)
#if defined(_WIN32)
#define MA_DLL_IMPORT __declspec(dllimport)
#define MA_DLL_EXPORT __declspec(dllexport)
#define MA_DLL_PRIVATE static
#else
#if defined(__GNUC__) && __GNUC__ >= 4
#define MA_DLL_IMPORT __attribute__((visibility("default")))
#define MA_DLL_EXPORT __attribute__((visibility("default")))
#define MA_DLL_PRIVATE __attribute__((visibility("hidden")))
#else
#define MA_DLL_IMPORT
#define MA_DLL_EXPORT
#define MA_DLL_PRIVATE static
#endif
#endif
#endif
#if !defined(MA_API)
#if defined(MA_DLL)
#if defined(MINIAUDIO_IMPLEMENTATION) || defined(MA_IMPLEMENTATION)
#define MA_API MA_DLL_EXPORT
#else
#define MA_API MA_DLL_IMPORT
#endif
#else
#define MA_API extern
#endif
#endif
#if !defined(MA_STATIC)
#if defined(MA_DLL)
#define MA_PRIVATE MA_DLL_PRIVATE
#else
#define MA_PRIVATE static
#endif
#endif
#define MA_SIMD_ALIGNMENT 32
#if !defined(MA_POSIX) && defined(MA_WIN32)
typedef wchar_t ma_wchar_win32;
#else
typedef ma_uint16 ma_wchar_win32;
#endif
typedef enum
{
MA_LOG_LEVEL_DEBUG = 4,
MA_LOG_LEVEL_INFO = 3,
MA_LOG_LEVEL_WARNING = 2,
MA_LOG_LEVEL_ERROR = 1
} ma_log_level;
#if !defined(_MSC_VER) && defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)
#include <stdalign.h>
#define MA_ATOMIC(alignment, type) _Alignas(alignment) type
#else
#if defined(__GNUC__)
#define MA_ATOMIC(alignment, type) type __attribute__((aligned(alignment)))
#elif defined(_MSC_VER) && _MSC_VER > 1200
#define MA_ATOMIC(alignment, type) __declspec(align(alignment)) type
#else
#define MA_ATOMIC(alignment, type) type
#endif
#endif
typedef struct ma_context ma_context;
typedef struct ma_device ma_device;
typedef ma_uint8 ma_channel;
typedef enum
{
MA_CHANNEL_NONE = 0,
MA_CHANNEL_MONO = 1,
MA_CHANNEL_FRONT_LEFT = 2,
MA_CHANNEL_FRONT_RIGHT = 3,
MA_CHANNEL_FRONT_CENTER = 4,
MA_CHANNEL_LFE = 5,
MA_CHANNEL_BACK_LEFT = 6,
MA_CHANNEL_BACK_RIGHT = 7,
MA_CHANNEL_FRONT_LEFT_CENTER = 8,
MA_CHANNEL_FRONT_RIGHT_CENTER = 9,
MA_CHANNEL_BACK_CENTER = 10,
MA_CHANNEL_SIDE_LEFT = 11,
MA_CHANNEL_SIDE_RIGHT = 12,
MA_CHANNEL_TOP_CENTER = 13,
MA_CHANNEL_TOP_FRONT_LEFT = 14,
MA_CHANNEL_TOP_FRONT_CENTER = 15,
MA_CHANNEL_TOP_FRONT_RIGHT = 16,
MA_CHANNEL_TOP_BACK_LEFT = 17,
MA_CHANNEL_TOP_BACK_CENTER = 18,
MA_CHANNEL_TOP_BACK_RIGHT = 19,
MA_CHANNEL_AUX_0 = 20,
MA_CHANNEL_AUX_1 = 21,
MA_CHANNEL_AUX_2 = 22,
MA_CHANNEL_AUX_3 = 23,
MA_CHANNEL_AUX_4 = 24,
MA_CHANNEL_AUX_5 = 25,
MA_CHANNEL_AUX_6 = 26,
MA_CHANNEL_AUX_7 = 27,
MA_CHANNEL_AUX_8 = 28,
MA_CHANNEL_AUX_9 = 29,
MA_CHANNEL_AUX_10 = 30,
MA_CHANNEL_AUX_11 = 31,
MA_CHANNEL_AUX_12 = 32,
MA_CHANNEL_AUX_13 = 33,
MA_CHANNEL_AUX_14 = 34,
MA_CHANNEL_AUX_15 = 35,
MA_CHANNEL_AUX_16 = 36,
MA_CHANNEL_AUX_17 = 37,
MA_CHANNEL_AUX_18 = 38,
MA_CHANNEL_AUX_19 = 39,
MA_CHANNEL_AUX_20 = 40,
MA_CHANNEL_AUX_21 = 41,
MA_CHANNEL_AUX_22 = 42,
MA_CHANNEL_AUX_23 = 43,
MA_CHANNEL_AUX_24 = 44,
MA_CHANNEL_AUX_25 = 45,
MA_CHANNEL_AUX_26 = 46,
MA_CHANNEL_AUX_27 = 47,
MA_CHANNEL_AUX_28 = 48,
MA_CHANNEL_AUX_29 = 49,
MA_CHANNEL_AUX_30 = 50,
MA_CHANNEL_AUX_31 = 51,
MA_CHANNEL_POSITION_COUNT,
MA_CHANNEL_LEFT = MA_CHANNEL_FRONT_LEFT,
MA_CHANNEL_RIGHT = MA_CHANNEL_FRONT_RIGHT,
} _ma_channel_position;
typedef enum
{
MA_SUCCESS = 0,
MA_ERROR = -1,
MA_INVALID_ARGS = -2,
MA_INVALID_OPERATION = -3,
MA_OUT_OF_MEMORY = -4,
MA_OUT_OF_RANGE = -5,
MA_ACCESS_DENIED = -6,
MA_DOES_NOT_EXIST = -7,
MA_ALREADY_EXISTS = -8,
MA_TOO_MANY_OPEN_FILES = -9,
MA_INVALID_FILE = -10,
MA_TOO_BIG = -11,
MA_PATH_TOO_LONG = -12,
MA_NAME_TOO_LONG = -13,
MA_NOT_DIRECTORY = -14,
MA_IS_DIRECTORY = -15,
MA_DIRECTORY_NOT_EMPTY = -16,
MA_AT_END = -17,
MA_NO_SPACE = -18,
MA_BUSY = -19,
MA_IO_ERROR = -20,
MA_INTERRUPT = -21,
MA_UNAVAILABLE = -22,
MA_ALREADY_IN_USE = -23,
MA_BAD_ADDRESS = -24,
MA_BAD_SEEK = -25,
MA_BAD_PIPE = -26,
MA_DEADLOCK = -27,
MA_TOO_MANY_LINKS = -28,
MA_NOT_IMPLEMENTED = -29,
MA_NO_MESSAGE = -30,
MA_BAD_MESSAGE = -31,
MA_NO_DATA_AVAILABLE = -32,
MA_INVALID_DATA = -33,
MA_TIMEOUT = -34,
MA_NO_NETWORK = -35,
MA_NOT_UNIQUE = -36,
MA_NOT_SOCKET = -37,
MA_NO_ADDRESS = -38,
MA_BAD_PROTOCOL = -39,
MA_PROTOCOL_UNAVAILABLE = -40,
MA_PROTOCOL_NOT_SUPPORTED = -41,
MA_PROTOCOL_FAMILY_NOT_SUPPORTED = -42,
MA_ADDRESS_FAMILY_NOT_SUPPORTED = -43,
MA_SOCKET_NOT_SUPPORTED = -44,
MA_CONNECTION_RESET = -45,
MA_ALREADY_CONNECTED = -46,
MA_NOT_CONNECTED = -47,
MA_CONNECTION_REFUSED = -48,
MA_NO_HOST = -49,
MA_IN_PROGRESS = -50,
MA_CANCELLED = -51,
MA_MEMORY_ALREADY_MAPPED = -52,
MA_CRC_MISMATCH = -100,
MA_FORMAT_NOT_SUPPORTED = -200,
MA_DEVICE_TYPE_NOT_SUPPORTED = -201,
MA_SHARE_MODE_NOT_SUPPORTED = -202,
MA_NO_BACKEND = -203,
MA_NO_DEVICE = -204,
MA_API_NOT_FOUND = -205,
MA_INVALID_DEVICE_CONFIG = -206,
MA_LOOP = -207,
MA_BACKEND_NOT_ENABLED = -208,
MA_DEVICE_NOT_INITIALIZED = -300,
MA_DEVICE_ALREADY_INITIALIZED = -301,
MA_DEVICE_NOT_STARTED = -302,
MA_DEVICE_NOT_STOPPED = -303,
MA_FAILED_TO_INIT_BACKEND = -400,
MA_FAILED_TO_OPEN_BACKEND_DEVICE = -401,
MA_FAILED_TO_START_BACKEND_DEVICE = -402,
MA_FAILED_TO_STOP_BACKEND_DEVICE = -403
} ma_result;
#define MA_MIN_CHANNELS 1
#ifndef MA_MAX_CHANNELS
#define MA_MAX_CHANNELS 254
#endif
#ifndef MA_MAX_FILTER_ORDER
#define MA_MAX_FILTER_ORDER 8
#endif
typedef enum
{
ma_stream_format_pcm = 0
} ma_stream_format;
typedef enum
{
ma_stream_layout_interleaved = 0,
ma_stream_layout_deinterleaved
} ma_stream_layout;
typedef enum
{
ma_dither_mode_none = 0,
ma_dither_mode_rectangle,
ma_dither_mode_triangle
} ma_dither_mode;
typedef enum
{
ma_format_unknown = 0,
ma_format_u8 = 1,
ma_format_s16 = 2,
ma_format_s24 = 3,
ma_format_s32 = 4,
ma_format_f32 = 5,
ma_format_count
} ma_format;
typedef enum
{
ma_standard_sample_rate_48000 = 48000,
ma_standard_sample_rate_44100 = 44100,
ma_standard_sample_rate_32000 = 32000,
ma_standard_sample_rate_24000 = 24000,
ma_standard_sample_rate_22050 = 22050,
ma_standard_sample_rate_88200 = 88200,
ma_standard_sample_rate_96000 = 96000,
ma_standard_sample_rate_176400 = 176400,
ma_standard_sample_rate_192000 = 192000,
ma_standard_sample_rate_16000 = 16000,
ma_standard_sample_rate_11025 = 11025,
ma_standard_sample_rate_8000 = 8000,
ma_standard_sample_rate_352800 = 352800,
ma_standard_sample_rate_384000 = 384000,
ma_standard_sample_rate_min = ma_standard_sample_rate_8000,
ma_standard_sample_rate_max = ma_standard_sample_rate_384000,
ma_standard_sample_rate_count = 14
} ma_standard_sample_rate;
typedef enum
{
ma_channel_mix_mode_rectangular = 0,
ma_channel_mix_mode_simple,
ma_channel_mix_mode_custom_weights,
ma_channel_mix_mode_default = ma_channel_mix_mode_rectangular
} ma_channel_mix_mode;
typedef enum
{
ma_standard_channel_map_microsoft,
ma_standard_channel_map_alsa,
ma_standard_channel_map_rfc3551,
ma_standard_channel_map_flac,
ma_standard_channel_map_vorbis,
ma_standard_channel_map_sound4,
ma_standard_channel_map_sndio,
ma_standard_channel_map_webaudio = ma_standard_channel_map_flac,
ma_standard_channel_map_default = ma_standard_channel_map_microsoft
} ma_standard_channel_map;
typedef enum
{
ma_performance_profile_low_latency = 0,
ma_performance_profile_conservative
} ma_performance_profile;
typedef struct
{
void* pUserData;
void* (* onMalloc)(size_t sz, void* pUserData);
void* (* onRealloc)(void* p, size_t sz, void* pUserData);
void (* onFree)(void* p, void* pUserData);
} ma_allocation_callbacks;
typedef struct
{
ma_uint32 state;
} ma_lcg;
#define MA_ATOMIC_SAFE_TYPE_DECL(c89TypeExtension, typeSize, type) \
typedef struct \
{ \
MA_ATOMIC(typeSize, ma_##type) value; \
} ma_atomic_##type; \
#define MA_ATOMIC_SAFE_TYPE_DECL_PTR(type) \
typedef struct \
{ \
MA_ATOMIC(MA_SIZEOF_PTR, ma_##type*) value; \
} ma_atomic_ptr_##type; \
MA_ATOMIC_SAFE_TYPE_DECL(32, 4, uint32)
MA_ATOMIC_SAFE_TYPE_DECL(i32, 4, int32)
MA_ATOMIC_SAFE_TYPE_DECL(64, 8, uint64)
MA_ATOMIC_SAFE_TYPE_DECL(f32, 4, float)
MA_ATOMIC_SAFE_TYPE_DECL(32, 4, bool32)
typedef ma_uint32 ma_spinlock;
#ifndef MA_NO_THREADING
typedef enum
{
ma_thread_priority_idle = -5,
ma_thread_priority_lowest = -4,
ma_thread_priority_low = -3,
ma_thread_priority_normal = -2,
ma_thread_priority_high = -1,
ma_thread_priority_highest = 0,
ma_thread_priority_realtime = 1,
ma_thread_priority_default = 0
} ma_thread_priority;
#if defined(MA_POSIX)
typedef ma_pthread_t ma_thread;
#elif defined(MA_WIN32)
typedef ma_handle ma_thread;
#endif
#if defined(MA_POSIX)
typedef ma_pthread_mutex_t ma_mutex;
#elif defined(MA_WIN32)
typedef ma_handle ma_mutex;
#endif
#if defined(MA_POSIX)
typedef struct
{
ma_uint32 value;
ma_pthread_mutex_t lock;
ma_pthread_cond_t cond;
} ma_event;
#elif defined(MA_WIN32)
typedef ma_handle ma_event;
#endif
#if defined(MA_POSIX)
typedef struct
{
int value;
ma_pthread_mutex_t lock;
ma_pthread_cond_t cond;
} ma_semaphore;
#elif defined(MA_WIN32)
typedef ma_handle ma_semaphore;
#endif
#else
#ifndef MA_NO_DEVICE_IO
#error "MA_NO_THREADING cannot be used without MA_NO_DEVICE_IO";
#endif
#endif
MA_API void ma_version(ma_uint32* pMajor, ma_uint32* pMinor, ma_uint32* pRevision);
MA_API const char* ma_version_string(void);
#include <stdarg.h>
#if defined(__has_attribute)
#if __has_attribute(format)
#define MA_ATTRIBUTE_FORMAT(fmt, va) __attribute__((format(printf, fmt, va)))
#endif
#endif
#ifndef MA_ATTRIBUTE_FORMAT
#define MA_ATTRIBUTE_FORMAT(fmt, va)
#endif
#ifndef MA_MAX_LOG_CALLBACKS
#define MA_MAX_LOG_CALLBACKS 4
#endif
typedef void (* ma_log_callback_proc)(void* pUserData, ma_uint32 level, const char* pMessage);
typedef struct
{
ma_log_callback_proc onLog;
void* pUserData;
} ma_log_callback;
MA_API ma_log_callback ma_log_callback_init(ma_log_callback_proc onLog, void* pUserData);
typedef struct
{
ma_log_callback callbacks[MA_MAX_LOG_CALLBACKS];
ma_uint32 callbackCount;
ma_allocation_callbacks allocationCallbacks;
#ifndef MA_NO_THREADING
ma_mutex lock;
#endif
} ma_log;
MA_API ma_result ma_log_init(const ma_allocation_callbacks* pAllocationCallbacks, ma_log* pLog);
MA_API void ma_log_uninit(ma_log* pLog);
MA_API ma_result ma_log_register_callback(ma_log* pLog, ma_log_callback callback);
MA_API ma_result ma_log_unregister_callback(ma_log* pLog, ma_log_callback callback);
MA_API ma_result ma_log_post(ma_log* pLog, ma_uint32 level, const char* pMessage);
MA_API ma_result ma_log_postv(ma_log* pLog, ma_uint32 level, const char* pFormat, va_list args);
MA_API ma_result ma_log_postf(ma_log* pLog, ma_uint32 level, const char* pFormat, ...) MA_ATTRIBUTE_FORMAT(3, 4);
typedef union
{
float f32;
ma_int32 s32;
} ma_biquad_coefficient;
typedef struct
{
ma_format format;
ma_uint32 channels;
double b0;
double b1;
double b2;
double a0;
double a1;
double a2;
} ma_biquad_config;
MA_API ma_biquad_config ma_biquad_config_init(ma_format format, ma_uint32 channels, double b0, double b1, double b2, double a0, double a1, double a2);
typedef struct
{
ma_format format;
ma_uint32 channels;
ma_biquad_coefficient b0;
ma_biquad_coefficient b1;
ma_biquad_coefficient b2;
ma_biquad_coefficient a1;
ma_biquad_coefficient a2;
ma_biquad_coefficient* pR1;
ma_biquad_coefficient* pR2;
void* _pHeap;
ma_bool32 _ownsHeap;
} ma_biquad;
MA_API ma_result ma_biquad_get_heap_size(const ma_biquad_config* pConfig, size_t* pHeapSizeInBytes);
MA_API ma_result ma_biquad_init_preallocated(const ma_biquad_config* pConfig, void* pHeap, ma_biquad* pBQ);
MA_API ma_result ma_biquad_init(const ma_biquad_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_biquad* pBQ);
MA_API void ma_biquad_uninit(ma_biquad* pBQ, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_result ma_biquad_reinit(const ma_biquad_config* pConfig, ma_biquad* pBQ);
MA_API ma_result ma_biquad_clear_cache(ma_biquad* pBQ);
MA_API ma_result ma_biquad_process_pcm_frames(ma_biquad* pBQ, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount);
MA_API ma_uint32 ma_biquad_get_latency(const ma_biquad* pBQ);
typedef struct
{
ma_format format;
ma_uint32 channels;
ma_uint32 sampleRate;
double cutoffFrequency;
double q;
} ma_lpf1_config, ma_lpf2_config;
MA_API ma_lpf1_config ma_lpf1_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRate, double cutoffFrequency);
MA_API ma_lpf2_config ma_lpf2_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRate, double cutoffFrequency, double q);
typedef struct
{
ma_format format;
ma_uint32 channels;
ma_biquad_coefficient a;
ma_biquad_coefficient* pR1;
void* _pHeap;
ma_bool32 _ownsHeap;
} ma_lpf1;
MA_API ma_result ma_lpf1_get_heap_size(const ma_lpf1_config* pConfig, size_t* pHeapSizeInBytes);
MA_API ma_result ma_lpf1_init_preallocated(const ma_lpf1_config* pConfig, void* pHeap, ma_lpf1* pLPF);
MA_API ma_result ma_lpf1_init(const ma_lpf1_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_lpf1* pLPF);
MA_API void ma_lpf1_uninit(ma_lpf1* pLPF, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_result ma_lpf1_reinit(const ma_lpf1_config* pConfig, ma_lpf1* pLPF);
MA_API ma_result ma_lpf1_clear_cache(ma_lpf1* pLPF);
MA_API ma_result ma_lpf1_process_pcm_frames(ma_lpf1* pLPF, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount);
MA_API ma_uint32 ma_lpf1_get_latency(const ma_lpf1* pLPF);
typedef struct
{
ma_biquad bq;
} ma_lpf2;
MA_API ma_result ma_lpf2_get_heap_size(const ma_lpf2_config* pConfig, size_t* pHeapSizeInBytes);
MA_API ma_result ma_lpf2_init_preallocated(const ma_lpf2_config* pConfig, void* pHeap, ma_lpf2* pHPF);
MA_API ma_result ma_lpf2_init(const ma_lpf2_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_lpf2* pLPF);
MA_API void ma_lpf2_uninit(ma_lpf2* pLPF, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_result ma_lpf2_reinit(const ma_lpf2_config* pConfig, ma_lpf2* pLPF);
MA_API ma_result ma_lpf2_clear_cache(ma_lpf2* pLPF);
MA_API ma_result ma_lpf2_process_pcm_frames(ma_lpf2* pLPF, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount);
MA_API ma_uint32 ma_lpf2_get_latency(const ma_lpf2* pLPF);
typedef struct
{
ma_format format;
ma_uint32 channels;
ma_uint32 sampleRate;
double cutoffFrequency;
ma_uint32 order;
} ma_lpf_config;
MA_API ma_lpf_config ma_lpf_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRate, double cutoffFrequency, ma_uint32 order);
typedef struct
{
ma_format format;
ma_uint32 channels;
ma_uint32 sampleRate;
ma_uint32 lpf1Count;
ma_uint32 lpf2Count;
ma_lpf1* pLPF1;
ma_lpf2* pLPF2;
void* _pHeap;
ma_bool32 _ownsHeap;
} ma_lpf;
MA_API ma_result ma_lpf_get_heap_size(const ma_lpf_config* pConfig, size_t* pHeapSizeInBytes);
MA_API ma_result ma_lpf_init_preallocated(const ma_lpf_config* pConfig, void* pHeap, ma_lpf* pLPF);
MA_API ma_result ma_lpf_init(const ma_lpf_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_lpf* pLPF);
MA_API void ma_lpf_uninit(ma_lpf* pLPF, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_result ma_lpf_reinit(const ma_lpf_config* pConfig, ma_lpf* pLPF);
MA_API ma_result ma_lpf_clear_cache(ma_lpf* pLPF);
MA_API ma_result ma_lpf_process_pcm_frames(ma_lpf* pLPF, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount);
MA_API ma_uint32 ma_lpf_get_latency(const ma_lpf* pLPF);
typedef struct
{
ma_format format;
ma_uint32 channels;
ma_uint32 sampleRate;
double cutoffFrequency;
double q;
} ma_hpf1_config, ma_hpf2_config;
MA_API ma_hpf1_config ma_hpf1_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRate, double cutoffFrequency);
MA_API ma_hpf2_config ma_hpf2_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRate, double cutoffFrequency, double q);
typedef struct
{
ma_format format;
ma_uint32 channels;
ma_biquad_coefficient a;
ma_biquad_coefficient* pR1;
void* _pHeap;
ma_bool32 _ownsHeap;
} ma_hpf1;
MA_API ma_result ma_hpf1_get_heap_size(const ma_hpf1_config* pConfig, size_t* pHeapSizeInBytes);
MA_API ma_result ma_hpf1_init_preallocated(const ma_hpf1_config* pConfig, void* pHeap, ma_hpf1* pLPF);
MA_API ma_result ma_hpf1_init(const ma_hpf1_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_hpf1* pHPF);
MA_API void ma_hpf1_uninit(ma_hpf1* pHPF, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_result ma_hpf1_reinit(const ma_hpf1_config* pConfig, ma_hpf1* pHPF);
MA_API ma_result ma_hpf1_process_pcm_frames(ma_hpf1* pHPF, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount);
MA_API ma_uint32 ma_hpf1_get_latency(const ma_hpf1* pHPF);
typedef struct
{
ma_biquad bq;
} ma_hpf2;
MA_API ma_result ma_hpf2_get_heap_size(const ma_hpf2_config* pConfig, size_t* pHeapSizeInBytes);
MA_API ma_result ma_hpf2_init_preallocated(const ma_hpf2_config* pConfig, void* pHeap, ma_hpf2* pHPF);
MA_API ma_result ma_hpf2_init(const ma_hpf2_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_hpf2* pHPF);
MA_API void ma_hpf2_uninit(ma_hpf2* pHPF, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_result ma_hpf2_reinit(const ma_hpf2_config* pConfig, ma_hpf2* pHPF);
MA_API ma_result ma_hpf2_process_pcm_frames(ma_hpf2* pHPF, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount);
MA_API ma_uint32 ma_hpf2_get_latency(const ma_hpf2* pHPF);
typedef struct
{
ma_format format;
ma_uint32 channels;
ma_uint32 sampleRate;
double cutoffFrequency;
ma_uint32 order;
} ma_hpf_config;
MA_API ma_hpf_config ma_hpf_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRate, double cutoffFrequency, ma_uint32 order);
typedef struct
{
ma_format format;
ma_uint32 channels;
ma_uint32 sampleRate;
ma_uint32 hpf1Count;
ma_uint32 hpf2Count;
ma_hpf1* pHPF1;
ma_hpf2* pHPF2;
void* _pHeap;
ma_bool32 _ownsHeap;
} ma_hpf;
MA_API ma_result ma_hpf_get_heap_size(const ma_hpf_config* pConfig, size_t* pHeapSizeInBytes);
MA_API ma_result ma_hpf_init_preallocated(const ma_hpf_config* pConfig, void* pHeap, ma_hpf* pLPF);
MA_API ma_result ma_hpf_init(const ma_hpf_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_hpf* pHPF);
MA_API void ma_hpf_uninit(ma_hpf* pHPF, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_result ma_hpf_reinit(const ma_hpf_config* pConfig, ma_hpf* pHPF);
MA_API ma_result ma_hpf_process_pcm_frames(ma_hpf* pHPF, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount);
MA_API ma_uint32 ma_hpf_get_latency(const ma_hpf* pHPF);
typedef struct
{
ma_format format;
ma_uint32 channels;
ma_uint32 sampleRate;
double cutoffFrequency;
double q;
} ma_bpf2_config;
MA_API ma_bpf2_config ma_bpf2_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRate, double cutoffFrequency, double q);
typedef struct
{
ma_biquad bq;
} ma_bpf2;
MA_API ma_result ma_bpf2_get_heap_size(const ma_bpf2_config* pConfig, size_t* pHeapSizeInBytes);
MA_API ma_result ma_bpf2_init_preallocated(const ma_bpf2_config* pConfig, void* pHeap, ma_bpf2* pBPF);
MA_API ma_result ma_bpf2_init(const ma_bpf2_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_bpf2* pBPF);
MA_API void ma_bpf2_uninit(ma_bpf2* pBPF, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_result ma_bpf2_reinit(const ma_bpf2_config* pConfig, ma_bpf2* pBPF);
MA_API ma_result ma_bpf2_process_pcm_frames(ma_bpf2* pBPF, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount);
MA_API ma_uint32 ma_bpf2_get_latency(const ma_bpf2* pBPF);
typedef struct
{
ma_format format;
ma_uint32 channels;
ma_uint32 sampleRate;
double cutoffFrequency;
ma_uint32 order;
} ma_bpf_config;
MA_API ma_bpf_config ma_bpf_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRate, double cutoffFrequency, ma_uint32 order);
typedef struct
{
ma_format format;
ma_uint32 channels;
ma_uint32 bpf2Count;
ma_bpf2* pBPF2;
void* _pHeap;
ma_bool32 _ownsHeap;
} ma_bpf;
MA_API ma_result ma_bpf_get_heap_size(const ma_bpf_config* pConfig, size_t* pHeapSizeInBytes);
MA_API ma_result ma_bpf_init_preallocated(const ma_bpf_config* pConfig, void* pHeap, ma_bpf* pBPF);
MA_API ma_result ma_bpf_init(const ma_bpf_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_bpf* pBPF);
MA_API void ma_bpf_uninit(ma_bpf* pBPF, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_result ma_bpf_reinit(const ma_bpf_config* pConfig, ma_bpf* pBPF);
MA_API ma_result ma_bpf_process_pcm_frames(ma_bpf* pBPF, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount);
MA_API ma_uint32 ma_bpf_get_latency(const ma_bpf* pBPF);
typedef struct
{
ma_format format;
ma_uint32 channels;
ma_uint32 sampleRate;
double q;
double frequency;
} ma_notch2_config, ma_notch_config;
MA_API ma_notch2_config ma_notch2_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRate, double q, double frequency);
typedef struct
{
ma_biquad bq;
} ma_notch2;
MA_API ma_result ma_notch2_get_heap_size(const ma_notch2_config* pConfig, size_t* pHeapSizeInBytes);
MA_API ma_result ma_notch2_init_preallocated(const ma_notch2_config* pConfig, void* pHeap, ma_notch2* pFilter);
MA_API ma_result ma_notch2_init(const ma_notch2_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_notch2* pFilter);
MA_API void ma_notch2_uninit(ma_notch2* pFilter, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_result ma_notch2_reinit(const ma_notch2_config* pConfig, ma_notch2* pFilter);
MA_API ma_result ma_notch2_process_pcm_frames(ma_notch2* pFilter, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount);
MA_API ma_uint32 ma_notch2_get_latency(const ma_notch2* pFilter);
typedef struct
{
ma_format format;
ma_uint32 channels;
ma_uint32 sampleRate;
double gainDB;
double q;
double frequency;
} ma_peak2_config, ma_peak_config;
MA_API ma_peak2_config ma_peak2_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRate, double gainDB, double q, double frequency);
typedef struct
{
ma_biquad bq;
} ma_peak2;
MA_API ma_result ma_peak2_get_heap_size(const ma_peak2_config* pConfig, size_t* pHeapSizeInBytes);
MA_API ma_result ma_peak2_init_preallocated(const ma_peak2_config* pConfig, void* pHeap, ma_peak2* pFilter);
MA_API ma_result ma_peak2_init(const ma_peak2_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_peak2* pFilter);
MA_API void ma_peak2_uninit(ma_peak2* pFilter, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_result ma_peak2_reinit(const ma_peak2_config* pConfig, ma_peak2* pFilter);
MA_API ma_result ma_peak2_process_pcm_frames(ma_peak2* pFilter, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount);
MA_API ma_uint32 ma_peak2_get_latency(const ma_peak2* pFilter);
typedef struct
{
ma_format format;
ma_uint32 channels;
ma_uint32 sampleRate;
double gainDB;
double shelfSlope;
double frequency;
} ma_loshelf2_config, ma_loshelf_config;
MA_API ma_loshelf2_config ma_loshelf2_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRate, double gainDB, double shelfSlope, double frequency);
typedef struct
{
ma_biquad bq;
} ma_loshelf2;
MA_API ma_result ma_loshelf2_get_heap_size(const ma_loshelf2_config* pConfig, size_t* pHeapSizeInBytes);
MA_API ma_result ma_loshelf2_init_preallocated(const ma_loshelf2_config* pConfig, void* pHeap, ma_loshelf2* pFilter);
MA_API ma_result ma_loshelf2_init(const ma_loshelf2_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_loshelf2* pFilter);
MA_API void ma_loshelf2_uninit(ma_loshelf2* pFilter, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_result ma_loshelf2_reinit(const ma_loshelf2_config* pConfig, ma_loshelf2* pFilter);
MA_API ma_result ma_loshelf2_process_pcm_frames(ma_loshelf2* pFilter, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount);
MA_API ma_uint32 ma_loshelf2_get_latency(const ma_loshelf2* pFilter);
typedef struct
{
ma_format format;
ma_uint32 channels;
ma_uint32 sampleRate;
double gainDB;
double shelfSlope;
double frequency;
} ma_hishelf2_config, ma_hishelf_config;
MA_API ma_hishelf2_config ma_hishelf2_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRate, double gainDB, double shelfSlope, double frequency);
typedef struct
{
ma_biquad bq;
} ma_hishelf2;
MA_API ma_result ma_hishelf2_get_heap_size(const ma_hishelf2_config* pConfig, size_t* pHeapSizeInBytes);
MA_API ma_result ma_hishelf2_init_preallocated(const ma_hishelf2_config* pConfig, void* pHeap, ma_hishelf2* pFilter);
MA_API ma_result ma_hishelf2_init(const ma_hishelf2_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_hishelf2* pFilter);
MA_API void ma_hishelf2_uninit(ma_hishelf2* pFilter, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_result ma_hishelf2_reinit(const ma_hishelf2_config* pConfig, ma_hishelf2* pFilter);
MA_API ma_result ma_hishelf2_process_pcm_frames(ma_hishelf2* pFilter, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount);
MA_API ma_uint32 ma_hishelf2_get_latency(const ma_hishelf2* pFilter);
typedef struct
{
ma_uint32 channels;
ma_uint32 sampleRate;
ma_uint32 delayInFrames;
ma_bool32 delayStart;
float wet;
float dry;
float decay;
} ma_delay_config;
MA_API ma_delay_config ma_delay_config_init(ma_uint32 channels, ma_uint32 sampleRate, ma_uint32 delayInFrames, float decay);
typedef struct
{
ma_delay_config config;
ma_uint32 cursor;
ma_uint32 bufferSizeInFrames;
float* pBuffer;
} ma_delay;
MA_API ma_result ma_delay_init(const ma_delay_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_delay* pDelay);
MA_API void ma_delay_uninit(ma_delay* pDelay, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_result ma_delay_process_pcm_frames(ma_delay* pDelay, void* pFramesOut, const void* pFramesIn, ma_uint32 frameCount);
MA_API void ma_delay_set_wet(ma_delay* pDelay, float value);
MA_API float ma_delay_get_wet(const ma_delay* pDelay);
MA_API void ma_delay_set_dry(ma_delay* pDelay, float value);
MA_API float ma_delay_get_dry(const ma_delay* pDelay);
MA_API void ma_delay_set_decay(ma_delay* pDelay, float value);
MA_API float ma_delay_get_decay(const ma_delay* pDelay);
typedef struct
{
ma_uint32 channels;
ma_uint32 smoothTimeInFrames;
} ma_gainer_config;
MA_API ma_gainer_config ma_gainer_config_init(ma_uint32 channels, ma_uint32 smoothTimeInFrames);
typedef struct
{
ma_gainer_config config;
ma_uint32 t;
float masterVolume;
float* pOldGains;
float* pNewGains;
void* _pHeap;
ma_bool32 _ownsHeap;
} ma_gainer;
MA_API ma_result ma_gainer_get_heap_size(const ma_gainer_config* pConfig, size_t* pHeapSizeInBytes);
MA_API ma_result ma_gainer_init_preallocated(const ma_gainer_config* pConfig, void* pHeap, ma_gainer* pGainer);
MA_API ma_result ma_gainer_init(const ma_gainer_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_gainer* pGainer);
MA_API void ma_gainer_uninit(ma_gainer* pGainer, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_result ma_gainer_process_pcm_frames(ma_gainer* pGainer, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount);
MA_API ma_result ma_gainer_set_gain(ma_gainer* pGainer, float newGain);
MA_API ma_result ma_gainer_set_gains(ma_gainer* pGainer, float* pNewGains);
MA_API ma_result ma_gainer_set_master_volume(ma_gainer* pGainer, float volume);
MA_API ma_result ma_gainer_get_master_volume(const ma_gainer* pGainer, float* pVolume);
typedef enum
{
ma_pan_mode_balance = 0,
ma_pan_mode_pan
} ma_pan_mode;
typedef struct
{
ma_format format;
ma_uint32 channels;
ma_pan_mode mode;
float pan;
} ma_panner_config;
MA_API ma_panner_config ma_panner_config_init(ma_format format, ma_uint32 channels);
typedef struct
{
ma_format format;
ma_uint32 channels;
ma_pan_mode mode;
float pan;
} ma_panner;
MA_API ma_result ma_panner_init(const ma_panner_config* pConfig, ma_panner* pPanner);
MA_API ma_result ma_panner_process_pcm_frames(ma_panner* pPanner, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount);
MA_API void ma_panner_set_mode(ma_panner* pPanner, ma_pan_mode mode);
MA_API ma_pan_mode ma_panner_get_mode(const ma_panner* pPanner);
MA_API void ma_panner_set_pan(ma_panner* pPanner, float pan);
MA_API float ma_panner_get_pan(const ma_panner* pPanner);
typedef struct
{
ma_format format;
ma_uint32 channels;
ma_uint32 sampleRate;
} ma_fader_config;
MA_API ma_fader_config ma_fader_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRate);
typedef struct
{
ma_fader_config config;
float volumeBeg;
float volumeEnd;
ma_uint64 lengthInFrames;
ma_int64 cursorInFrames;
} ma_fader;
MA_API ma_result ma_fader_init(const ma_fader_config* pConfig, ma_fader* pFader);
MA_API ma_result ma_fader_process_pcm_frames(ma_fader* pFader, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount);
MA_API void ma_fader_get_data_format(const ma_fader* pFader, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate);
MA_API void ma_fader_set_fade(ma_fader* pFader, float volumeBeg, float volumeEnd, ma_uint64 lengthInFrames);
MA_API void ma_fader_set_fade_ex(ma_fader* pFader, float volumeBeg, float volumeEnd, ma_uint64 lengthInFrames, ma_int64 startOffsetInFrames);
MA_API float ma_fader_get_current_volume(const ma_fader* pFader);
typedef struct
{
float x;
float y;
float z;
} ma_vec3f;
typedef struct
{
ma_vec3f v;
ma_spinlock lock;
} ma_atomic_vec3f;
typedef enum
{
ma_attenuation_model_none,
ma_attenuation_model_inverse,
ma_attenuation_model_linear,
ma_attenuation_model_exponential
} ma_attenuation_model;
typedef enum
{
ma_positioning_absolute,
ma_positioning_relative
} ma_positioning;
typedef enum
{
ma_handedness_right,
ma_handedness_left
} ma_handedness;
typedef struct
{
ma_uint32 channelsOut;
ma_channel* pChannelMapOut;
ma_handedness handedness;
float coneInnerAngleInRadians;
float coneOuterAngleInRadians;
float coneOuterGain;
float speedOfSound;
ma_vec3f worldUp;
} ma_spatializer_listener_config;
MA_API ma_spatializer_listener_config ma_spatializer_listener_config_init(ma_uint32 channelsOut);
typedef struct
{
ma_spatializer_listener_config config;
ma_atomic_vec3f position;
ma_atomic_vec3f direction;
ma_atomic_vec3f velocity;
ma_bool32 isEnabled;
ma_bool32 _ownsHeap;
void* _pHeap;
} ma_spatializer_listener;
MA_API ma_result ma_spatializer_listener_get_heap_size(const ma_spatializer_listener_config* pConfig, size_t* pHeapSizeInBytes);
MA_API ma_result ma_spatializer_listener_init_preallocated(const ma_spatializer_listener_config* pConfig, void* pHeap, ma_spatializer_listener* pListener);
MA_API ma_result ma_spatializer_listener_init(const ma_spatializer_listener_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_spatializer_listener* pListener);
MA_API void ma_spatializer_listener_uninit(ma_spatializer_listener* pListener, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_channel* ma_spatializer_listener_get_channel_map(ma_spatializer_listener* pListener);
MA_API void ma_spatializer_listener_set_cone(ma_spatializer_listener* pListener, float innerAngleInRadians, float outerAngleInRadians, float outerGain);
MA_API void ma_spatializer_listener_get_cone(const ma_spatializer_listener* pListener, float* pInnerAngleInRadians, float* pOuterAngleInRadians, float* pOuterGain);
MA_API void ma_spatializer_listener_set_position(ma_spatializer_listener* pListener, float x, float y, float z);
MA_API ma_vec3f ma_spatializer_listener_get_position(const ma_spatializer_listener* pListener);
MA_API void ma_spatializer_listener_set_direction(ma_spatializer_listener* pListener, float x, float y, float z);
MA_API ma_vec3f ma_spatializer_listener_get_direction(const ma_spatializer_listener* pListener);
MA_API void ma_spatializer_listener_set_velocity(ma_spatializer_listener* pListener, float x, float y, float z);
MA_API ma_vec3f ma_spatializer_listener_get_velocity(const ma_spatializer_listener* pListener);
MA_API void ma_spatializer_listener_set_speed_of_sound(ma_spatializer_listener* pListener, float speedOfSound);
MA_API float ma_spatializer_listener_get_speed_of_sound(const ma_spatializer_listener* pListener);
MA_API void ma_spatializer_listener_set_world_up(ma_spatializer_listener* pListener, float x, float y, float z);
MA_API ma_vec3f ma_spatializer_listener_get_world_up(const ma_spatializer_listener* pListener);
MA_API void ma_spatializer_listener_set_enabled(ma_spatializer_listener* pListener, ma_bool32 isEnabled);
MA_API ma_bool32 ma_spatializer_listener_is_enabled(const ma_spatializer_listener* pListener);
typedef struct
{
ma_uint32 channelsIn;
ma_uint32 channelsOut;
ma_channel* pChannelMapIn;
ma_attenuation_model attenuationModel;
ma_positioning positioning;
ma_handedness handedness;
float minGain;
float maxGain;
float minDistance;
float maxDistance;
float rolloff;
float coneInnerAngleInRadians;
float coneOuterAngleInRadians;
float coneOuterGain;
float dopplerFactor;
float directionalAttenuationFactor;
float minSpatializationChannelGain;
ma_uint32 gainSmoothTimeInFrames;
} ma_spatializer_config;
MA_API ma_spatializer_config ma_spatializer_config_init(ma_uint32 channelsIn, ma_uint32 channelsOut);
typedef struct
{
ma_uint32 channelsIn;
ma_uint32 channelsOut;
ma_channel* pChannelMapIn;
ma_attenuation_model attenuationModel;
ma_positioning positioning;
ma_handedness handedness;
float minGain;
float maxGain;
float minDistance;
float maxDistance;
float rolloff;
float coneInnerAngleInRadians;
float coneOuterAngleInRadians;
float coneOuterGain;
float dopplerFactor;
float directionalAttenuationFactor;
ma_uint32 gainSmoothTimeInFrames;
ma_atomic_vec3f position;
ma_atomic_vec3f direction;
ma_atomic_vec3f velocity;
float dopplerPitch;
float minSpatializationChannelGain;
ma_gainer gainer;
float* pNewChannelGainsOut;
void* _pHeap;
ma_bool32 _ownsHeap;
} ma_spatializer;
MA_API ma_result ma_spatializer_get_heap_size(const ma_spatializer_config* pConfig, size_t* pHeapSizeInBytes);
MA_API ma_result ma_spatializer_init_preallocated(const ma_spatializer_config* pConfig, void* pHeap, ma_spatializer* pSpatializer);
MA_API ma_result ma_spatializer_init(const ma_spatializer_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_spatializer* pSpatializer);
MA_API void ma_spatializer_uninit(ma_spatializer* pSpatializer, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_result ma_spatializer_process_pcm_frames(ma_spatializer* pSpatializer, ma_spatializer_listener* pListener, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount);
MA_API ma_result ma_spatializer_set_master_volume(ma_spatializer* pSpatializer, float volume);
MA_API ma_result ma_spatializer_get_master_volume(const ma_spatializer* pSpatializer, float* pVolume);
MA_API ma_uint32 ma_spatializer_get_input_channels(const ma_spatializer* pSpatializer);
MA_API ma_uint32 ma_spatializer_get_output_channels(const ma_spatializer* pSpatializer);
MA_API void ma_spatializer_set_attenuation_model(ma_spatializer* pSpatializer, ma_attenuation_model attenuationModel);
MA_API ma_attenuation_model ma_spatializer_get_attenuation_model(const ma_spatializer* pSpatializer);
MA_API void ma_spatializer_set_positioning(ma_spatializer* pSpatializer, ma_positioning positioning);
MA_API ma_positioning ma_spatializer_get_positioning(const ma_spatializer* pSpatializer);
MA_API void ma_spatializer_set_rolloff(ma_spatializer* pSpatializer, float rolloff);
MA_API float ma_spatializer_get_rolloff(const ma_spatializer* pSpatializer);
MA_API void ma_spatializer_set_min_gain(ma_spatializer* pSpatializer, float minGain);
MA_API float ma_spatializer_get_min_gain(const ma_spatializer* pSpatializer);
MA_API void ma_spatializer_set_max_gain(ma_spatializer* pSpatializer, float maxGain);
MA_API float ma_spatializer_get_max_gain(const ma_spatializer* pSpatializer);
MA_API void ma_spatializer_set_min_distance(ma_spatializer* pSpatializer, float minDistance);
MA_API float ma_spatializer_get_min_distance(const ma_spatializer* pSpatializer);
MA_API void ma_spatializer_set_max_distance(ma_spatializer* pSpatializer, float maxDistance);
MA_API float ma_spatializer_get_max_distance(const ma_spatializer* pSpatializer);
MA_API void ma_spatializer_set_cone(ma_spatializer* pSpatializer, float innerAngleInRadians, float outerAngleInRadians, float outerGain);
MA_API void ma_spatializer_get_cone(const ma_spatializer* pSpatializer, float* pInnerAngleInRadians, float* pOuterAngleInRadians, float* pOuterGain);
MA_API void ma_spatializer_set_doppler_factor(ma_spatializer* pSpatializer, float dopplerFactor);
MA_API float ma_spatializer_get_doppler_factor(const ma_spatializer* pSpatializer);
MA_API void ma_spatializer_set_directional_attenuation_factor(ma_spatializer* pSpatializer, float directionalAttenuationFactor);
MA_API float ma_spatializer_get_directional_attenuation_factor(const ma_spatializer* pSpatializer);
MA_API void ma_spatializer_set_position(ma_spatializer* pSpatializer, float x, float y, float z);
MA_API ma_vec3f ma_spatializer_get_position(const ma_spatializer* pSpatializer);
MA_API void ma_spatializer_set_direction(ma_spatializer* pSpatializer, float x, float y, float z);
MA_API ma_vec3f ma_spatializer_get_direction(const ma_spatializer* pSpatializer);
MA_API void ma_spatializer_set_velocity(ma_spatializer* pSpatializer, float x, float y, float z);
MA_API ma_vec3f ma_spatializer_get_velocity(const ma_spatializer* pSpatializer);
MA_API void ma_spatializer_get_relative_position_and_direction(const ma_spatializer* pSpatializer, const ma_spatializer_listener* pListener, ma_vec3f* pRelativePos, ma_vec3f* pRelativeDir);
typedef struct
{
ma_format format;
ma_uint32 channels;
ma_uint32 sampleRateIn;
ma_uint32 sampleRateOut;
ma_uint32 lpfOrder;
double lpfNyquistFactor;
} ma_linear_resampler_config;
MA_API ma_linear_resampler_config ma_linear_resampler_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRateIn, ma_uint32 sampleRateOut);
typedef struct
{
ma_linear_resampler_config config;
ma_uint32 inAdvanceInt;
ma_uint32 inAdvanceFrac;
ma_uint32 inTimeInt;
ma_uint32 inTimeFrac;
union
{
float* f32;
ma_int16* s16;
} x0;
union
{
float* f32;
ma_int16* s16;
} x1;
ma_lpf lpf;
void* _pHeap;
ma_bool32 _ownsHeap;
} ma_linear_resampler;
MA_API ma_result ma_linear_resampler_get_heap_size(const ma_linear_resampler_config* pConfig, size_t* pHeapSizeInBytes);
MA_API ma_result ma_linear_resampler_init_preallocated(const ma_linear_resampler_config* pConfig, void* pHeap, ma_linear_resampler* pResampler);
MA_API ma_result ma_linear_resampler_init(const ma_linear_resampler_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_linear_resampler* pResampler);
MA_API void ma_linear_resampler_uninit(ma_linear_resampler* pResampler, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_result ma_linear_resampler_process_pcm_frames(ma_linear_resampler* pResampler, const void* pFramesIn, ma_uint64* pFrameCountIn, void* pFramesOut, ma_uint64* pFrameCountOut);
MA_API ma_result ma_linear_resampler_set_rate(ma_linear_resampler* pResampler, ma_uint32 sampleRateIn, ma_uint32 sampleRateOut);
MA_API ma_result ma_linear_resampler_set_rate_ratio(ma_linear_resampler* pResampler, float ratioInOut);
MA_API ma_uint64 ma_linear_resampler_get_input_latency(const ma_linear_resampler* pResampler);
MA_API ma_uint64 ma_linear_resampler_get_output_latency(const ma_linear_resampler* pResampler);
MA_API ma_result ma_linear_resampler_get_required_input_frame_count(const ma_linear_resampler* pResampler, ma_uint64 outputFrameCount, ma_uint64* pInputFrameCount);
MA_API ma_result ma_linear_resampler_get_expected_output_frame_count(const ma_linear_resampler* pResampler, ma_uint64 inputFrameCount, ma_uint64* pOutputFrameCount);
MA_API ma_result ma_linear_resampler_reset(ma_linear_resampler* pResampler);
typedef struct ma_resampler_config ma_resampler_config;
typedef void ma_resampling_backend;
typedef struct
{
ma_result (* onGetHeapSize )(void* pUserData, const ma_resampler_config* pConfig, size_t* pHeapSizeInBytes);
ma_result (* onInit )(void* pUserData, const ma_resampler_config* pConfig, void* pHeap, ma_resampling_backend** ppBackend);
void (* onUninit )(void* pUserData, ma_resampling_backend* pBackend, const ma_allocation_callbacks* pAllocationCallbacks);
ma_result (* onProcess )(void* pUserData, ma_resampling_backend* pBackend, const void* pFramesIn, ma_uint64* pFrameCountIn, void* pFramesOut, ma_uint64* pFrameCountOut);
ma_result (* onSetRate )(void* pUserData, ma_resampling_backend* pBackend, ma_uint32 sampleRateIn, ma_uint32 sampleRateOut);
ma_uint64 (* onGetInputLatency )(void* pUserData, const ma_resampling_backend* pBackend);
ma_uint64 (* onGetOutputLatency )(void* pUserData, const ma_resampling_backend* pBackend);
ma_result (* onGetRequiredInputFrameCount )(void* pUserData, const ma_resampling_backend* pBackend, ma_uint64 outputFrameCount, ma_uint64* pInputFrameCount);
ma_result (* onGetExpectedOutputFrameCount)(void* pUserData, const ma_resampling_backend* pBackend, ma_uint64 inputFrameCount, ma_uint64* pOutputFrameCount);
ma_result (* onReset )(void* pUserData, ma_resampling_backend* pBackend);
} ma_resampling_backend_vtable;
typedef enum
{
ma_resample_algorithm_linear = 0,
ma_resample_algorithm_custom,
} ma_resample_algorithm;
struct ma_resampler_config
{
ma_format format;
ma_uint32 channels;
ma_uint32 sampleRateIn;
ma_uint32 sampleRateOut;
ma_resample_algorithm algorithm;
ma_resampling_backend_vtable* pBackendVTable;
void* pBackendUserData;
struct
{
ma_uint32 lpfOrder;
} linear;
};
MA_API ma_resampler_config ma_resampler_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRateIn, ma_uint32 sampleRateOut, ma_resample_algorithm algorithm);
typedef struct
{
ma_resampling_backend* pBackend;
ma_resampling_backend_vtable* pBackendVTable;
void* pBackendUserData;
ma_format format;
ma_uint32 channels;
ma_uint32 sampleRateIn;
ma_uint32 sampleRateOut;
union
{
ma_linear_resampler linear;
} state;
void* _pHeap;
ma_bool32 _ownsHeap;
} ma_resampler;
MA_API ma_result ma_resampler_get_heap_size(const ma_resampler_config* pConfig, size_t* pHeapSizeInBytes);
MA_API ma_result ma_resampler_init_preallocated(const ma_resampler_config* pConfig, void* pHeap, ma_resampler* pResampler);
MA_API ma_result ma_resampler_init(const ma_resampler_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_resampler* pResampler);
MA_API void ma_resampler_uninit(ma_resampler* pResampler, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_result ma_resampler_process_pcm_frames(ma_resampler* pResampler, const void* pFramesIn, ma_uint64* pFrameCountIn, void* pFramesOut, ma_uint64* pFrameCountOut);
MA_API ma_result ma_resampler_set_rate(ma_resampler* pResampler, ma_uint32 sampleRateIn, ma_uint32 sampleRateOut);
MA_API ma_result ma_resampler_set_rate_ratio(ma_resampler* pResampler, float ratio);
MA_API ma_uint64 ma_resampler_get_input_latency(const ma_resampler* pResampler);
MA_API ma_uint64 ma_resampler_get_output_latency(const ma_resampler* pResampler);
MA_API ma_result ma_resampler_get_required_input_frame_count(const ma_resampler* pResampler, ma_uint64 outputFrameCount, ma_uint64* pInputFrameCount);
MA_API ma_result ma_resampler_get_expected_output_frame_count(const ma_resampler* pResampler, ma_uint64 inputFrameCount, ma_uint64* pOutputFrameCount);
MA_API ma_result ma_resampler_reset(ma_resampler* pResampler);
typedef enum
{
ma_channel_conversion_path_unknown,
ma_channel_conversion_path_passthrough,
ma_channel_conversion_path_mono_out,
ma_channel_conversion_path_mono_in,
ma_channel_conversion_path_shuffle,
ma_channel_conversion_path_weights
} ma_channel_conversion_path;
typedef enum
{
ma_mono_expansion_mode_duplicate = 0,
ma_mono_expansion_mode_average,
ma_mono_expansion_mode_stereo_only,
ma_mono_expansion_mode_default = ma_mono_expansion_mode_duplicate
} ma_mono_expansion_mode;
typedef struct
{
ma_format format;
ma_uint32 channelsIn;
ma_uint32 channelsOut;
const ma_channel* pChannelMapIn;
const ma_channel* pChannelMapOut;
ma_channel_mix_mode mixingMode;
ma_bool32 calculateLFEFromSpatialChannels;
float** ppWeights;
} ma_channel_converter_config;
MA_API ma_channel_converter_config ma_channel_converter_config_init(ma_format format, ma_uint32 channelsIn, const ma_channel* pChannelMapIn, ma_uint32 channelsOut, const ma_channel* pChannelMapOut, ma_channel_mix_mode mixingMode);
typedef struct
{
ma_format format;
ma_uint32 channelsIn;
ma_uint32 channelsOut;
ma_channel_mix_mode mixingMode;
ma_channel_conversion_path conversionPath;
ma_channel* pChannelMapIn;
ma_channel* pChannelMapOut;
ma_uint8* pShuffleTable;
union
{
float** f32;
ma_int32** s16;
} weights;
void* _pHeap;
ma_bool32 _ownsHeap;
} ma_channel_converter;
MA_API ma_result ma_channel_converter_get_heap_size(const ma_channel_converter_config* pConfig, size_t* pHeapSizeInBytes);
MA_API ma_result ma_channel_converter_init_preallocated(const ma_channel_converter_config* pConfig, void* pHeap, ma_channel_converter* pConverter);
MA_API ma_result ma_channel_converter_init(const ma_channel_converter_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_channel_converter* pConverter);
MA_API void ma_channel_converter_uninit(ma_channel_converter* pConverter, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_result ma_channel_converter_process_pcm_frames(ma_channel_converter* pConverter, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount);
MA_API ma_result ma_channel_converter_get_input_channel_map(const ma_channel_converter* pConverter, ma_channel* pChannelMap, size_t channelMapCap);
MA_API ma_result ma_channel_converter_get_output_channel_map(const ma_channel_converter* pConverter, ma_channel* pChannelMap, size_t channelMapCap);
typedef struct
{
ma_format formatIn;
ma_format formatOut;
ma_uint32 channelsIn;
ma_uint32 channelsOut;
ma_uint32 sampleRateIn;
ma_uint32 sampleRateOut;
ma_channel* pChannelMapIn;
ma_channel* pChannelMapOut;
ma_dither_mode ditherMode;
ma_channel_mix_mode channelMixMode;
ma_bool32 calculateLFEFromSpatialChannels;
float** ppChannelWeights;
ma_bool32 allowDynamicSampleRate;
ma_resampler_config resampling;
} ma_data_converter_config;
MA_API ma_data_converter_config ma_data_converter_config_init_default(void);
MA_API ma_data_converter_config ma_data_converter_config_init(ma_format formatIn, ma_format formatOut, ma_uint32 channelsIn, ma_uint32 channelsOut, ma_uint32 sampleRateIn, ma_uint32 sampleRateOut);
typedef enum
{
ma_data_converter_execution_path_passthrough,
ma_data_converter_execution_path_format_only,
ma_data_converter_execution_path_channels_only,
ma_data_converter_execution_path_resample_only,
ma_data_converter_execution_path_resample_first,
ma_data_converter_execution_path_channels_first
} ma_data_converter_execution_path;
typedef struct
{
ma_format formatIn;
ma_format formatOut;
ma_uint32 channelsIn;
ma_uint32 channelsOut;
ma_uint32 sampleRateIn;
ma_uint32 sampleRateOut;
ma_dither_mode ditherMode;
ma_data_converter_execution_path executionPath;
ma_channel_converter channelConverter;
ma_resampler resampler;
ma_bool8 hasPreFormatConversion;
ma_bool8 hasPostFormatConversion;
ma_bool8 hasChannelConverter;
ma_bool8 hasResampler;
ma_bool8 isPassthrough;
ma_bool8 _ownsHeap;
void* _pHeap;
} ma_data_converter;
MA_API ma_result ma_data_converter_get_heap_size(const ma_data_converter_config* pConfig, size_t* pHeapSizeInBytes);
MA_API ma_result ma_data_converter_init_preallocated(const ma_data_converter_config* pConfig, void* pHeap, ma_data_converter* pConverter);
MA_API ma_result ma_data_converter_init(const ma_data_converter_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_data_converter* pConverter);
MA_API void ma_data_converter_uninit(ma_data_converter* pConverter, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_result ma_data_converter_process_pcm_frames(ma_data_converter* pConverter, const void* pFramesIn, ma_uint64* pFrameCountIn, void* pFramesOut, ma_uint64* pFrameCountOut);
MA_API ma_result ma_data_converter_set_rate(ma_data_converter* pConverter, ma_uint32 sampleRateIn, ma_uint32 sampleRateOut);
MA_API ma_result ma_data_converter_set_rate_ratio(ma_data_converter* pConverter, float ratioInOut);
MA_API ma_uint64 ma_data_converter_get_input_latency(const ma_data_converter* pConverter);
MA_API ma_uint64 ma_data_converter_get_output_latency(const ma_data_converter* pConverter);
MA_API ma_result ma_data_converter_get_required_input_frame_count(const ma_data_converter* pConverter, ma_uint64 outputFrameCount, ma_uint64* pInputFrameCount);
MA_API ma_result ma_data_converter_get_expected_output_frame_count(const ma_data_converter* pConverter, ma_uint64 inputFrameCount, ma_uint64* pOutputFrameCount);
MA_API ma_result ma_data_converter_get_input_channel_map(const ma_data_converter* pConverter, ma_channel* pChannelMap, size_t channelMapCap);
MA_API ma_result ma_data_converter_get_output_channel_map(const ma_data_converter* pConverter, ma_channel* pChannelMap, size_t channelMapCap);
MA_API ma_result ma_data_converter_reset(ma_data_converter* pConverter);
MA_API void ma_pcm_u8_to_s16(void* pOut, const void* pIn, ma_uint64 count, ma_dither_mode ditherMode);
MA_API void ma_pcm_u8_to_s24(void* pOut, const void* pIn, ma_uint64 count, ma_dither_mode ditherMode);
MA_API void ma_pcm_u8_to_s32(void* pOut, const void* pIn, ma_uint64 count, ma_dither_mode ditherMode);
MA_API void ma_pcm_u8_to_f32(void* pOut, const void* pIn, ma_uint64 count, ma_dither_mode ditherMode);
MA_API void ma_pcm_s16_to_u8(void* pOut, const void* pIn, ma_uint64 count, ma_dither_mode ditherMode);
MA_API void ma_pcm_s16_to_s24(void* pOut, const void* pIn, ma_uint64 count, ma_dither_mode ditherMode);
MA_API void ma_pcm_s16_to_s32(void* pOut, const void* pIn, ma_uint64 count, ma_dither_mode ditherMode);
MA_API void ma_pcm_s16_to_f32(void* pOut, const void* pIn, ma_uint64 count, ma_dither_mode ditherMode);
MA_API void ma_pcm_s24_to_u8(void* pOut, const void* pIn, ma_uint64 count, ma_dither_mode ditherMode);
MA_API void ma_pcm_s24_to_s16(void* pOut, const void* pIn, ma_uint64 count, ma_dither_mode ditherMode);
MA_API void ma_pcm_s24_to_s32(void* pOut, const void* pIn, ma_uint64 count, ma_dither_mode ditherMode);
MA_API void ma_pcm_s24_to_f32(void* pOut, const void* pIn, ma_uint64 count, ma_dither_mode ditherMode);
MA_API void ma_pcm_s32_to_u8(void* pOut, const void* pIn, ma_uint64 count, ma_dither_mode ditherMode);
MA_API void ma_pcm_s32_to_s16(void* pOut, const void* pIn, ma_uint64 count, ma_dither_mode ditherMode);
MA_API void ma_pcm_s32_to_s24(void* pOut, const void* pIn, ma_uint64 count, ma_dither_mode ditherMode);
MA_API void ma_pcm_s32_to_f32(void* pOut, const void* pIn, ma_uint64 count, ma_dither_mode ditherMode);
MA_API void ma_pcm_f32_to_u8(void* pOut, const void* pIn, ma_uint64 count, ma_dither_mode ditherMode);
MA_API void ma_pcm_f32_to_s16(void* pOut, const void* pIn, ma_uint64 count, ma_dither_mode ditherMode);
MA_API void ma_pcm_f32_to_s24(void* pOut, const void* pIn, ma_uint64 count, ma_dither_mode ditherMode);
MA_API void ma_pcm_f32_to_s32(void* pOut, const void* pIn, ma_uint64 count, ma_dither_mode ditherMode);
MA_API void ma_pcm_convert(void* pOut, ma_format formatOut, const void* pIn, ma_format formatIn, ma_uint64 sampleCount, ma_dither_mode ditherMode);
MA_API void ma_convert_pcm_frames_format(void* pOut, ma_format formatOut, const void* pIn, ma_format formatIn, ma_uint64 frameCount, ma_uint32 channels, ma_dither_mode ditherMode);
MA_API void ma_deinterleave_pcm_frames(ma_format format, ma_uint32 channels, ma_uint64 frameCount, const void* pInterleavedPCMFrames, void** ppDeinterleavedPCMFrames);
MA_API void ma_interleave_pcm_frames(ma_format format, ma_uint32 channels, ma_uint64 frameCount, const void** ppDeinterleavedPCMFrames, void* pInterleavedPCMFrames);
#define MA_CHANNEL_INDEX_NULL 255
MA_API ma_channel ma_channel_map_get_channel(const ma_channel* pChannelMap, ma_uint32 channelCount, ma_uint32 channelIndex);
MA_API void ma_channel_map_init_blank(ma_channel* pChannelMap, ma_uint32 channels);
MA_API void ma_channel_map_init_standard(ma_standard_channel_map standardChannelMap, ma_channel* pChannelMap, size_t channelMapCap, ma_uint32 channels);
MA_API void ma_channel_map_copy(ma_channel* pOut, const ma_channel* pIn, ma_uint32 channels);
MA_API void ma_channel_map_copy_or_default(ma_channel* pOut, size_t channelMapCapOut, const ma_channel* pIn, ma_uint32 channels);
MA_API ma_bool32 ma_channel_map_is_valid(const ma_channel* pChannelMap, ma_uint32 channels);
MA_API ma_bool32 ma_channel_map_is_equal(const ma_channel* pChannelMapA, const ma_channel* pChannelMapB, ma_uint32 channels);
MA_API ma_bool32 ma_channel_map_is_blank(const ma_channel* pChannelMap, ma_uint32 channels);
MA_API ma_bool32 ma_channel_map_contains_channel_position(ma_uint32 channels, const ma_channel* pChannelMap, ma_channel channelPosition);
MA_API ma_bool32 ma_channel_map_find_channel_position(ma_uint32 channels, const ma_channel* pChannelMap, ma_channel channelPosition, ma_uint32* pChannelIndex);
MA_API size_t ma_channel_map_to_string(const ma_channel* pChannelMap, ma_uint32 channels, char* pBufferOut, size_t bufferCap);
MA_API const char* ma_channel_position_to_string(ma_channel channel);
MA_API ma_uint64 ma_convert_frames(void* pOut, ma_uint64 frameCountOut, ma_format formatOut, ma_uint32 channelsOut, ma_uint32 sampleRateOut, const void* pIn, ma_uint64 frameCountIn, ma_format formatIn, ma_uint32 channelsIn, ma_uint32 sampleRateIn);
MA_API ma_uint64 ma_convert_frames_ex(void* pOut, ma_uint64 frameCountOut, const void* pIn, ma_uint64 frameCountIn, const ma_data_converter_config* pConfig);
typedef void ma_data_source;
#define MA_DATA_SOURCE_SELF_MANAGED_RANGE_AND_LOOP_POINT 0x00000001
typedef struct
{
ma_result (* onRead)(ma_data_source* pDataSource, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead);
ma_result (* onSeek)(ma_data_source* pDataSource, ma_uint64 frameIndex);
ma_result (* onGetDataFormat)(ma_data_source* pDataSource, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap);
ma_result (* onGetCursor)(ma_data_source* pDataSource, ma_uint64* pCursor);
ma_result (* onGetLength)(ma_data_source* pDataSource, ma_uint64* pLength);
ma_result (* onSetLooping)(ma_data_source* pDataSource, ma_bool32 isLooping);
ma_uint32 flags;
} ma_data_source_vtable;
typedef ma_data_source* (* ma_data_source_get_next_proc)(ma_data_source* pDataSource);
typedef struct
{
const ma_data_source_vtable* vtable;
} ma_data_source_config;
MA_API ma_data_source_config ma_data_source_config_init(void);
typedef struct
{
const ma_data_source_vtable* vtable;
ma_uint64 rangeBegInFrames;
ma_uint64 rangeEndInFrames;
ma_uint64 loopBegInFrames;
ma_uint64 loopEndInFrames;
ma_data_source* pCurrent;
ma_data_source* pNext;
ma_data_source_get_next_proc onGetNext;
MA_ATOMIC(4, ma_bool32) isLooping;
} ma_data_source_base;
MA_API ma_result ma_data_source_init(const ma_data_source_config* pConfig, ma_data_source* pDataSource);
MA_API void ma_data_source_uninit(ma_data_source* pDataSource);
MA_API ma_result ma_data_source_read_pcm_frames(ma_data_source* pDataSource, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead);
MA_API ma_result ma_data_source_seek_pcm_frames(ma_data_source* pDataSource, ma_uint64 frameCount, ma_uint64* pFramesSeeked);
MA_API ma_result ma_data_source_seek_to_pcm_frame(ma_data_source* pDataSource, ma_uint64 frameIndex);
MA_API ma_result ma_data_source_seek_seconds(ma_data_source* pDataSource, float secondCount, float* pSecondsSeeked);
MA_API ma_result ma_data_source_seek_to_second(ma_data_source* pDataSource, float seekPointInSeconds);
MA_API ma_result ma_data_source_get_data_format(ma_data_source* pDataSource, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap);
MA_API ma_result ma_data_source_get_cursor_in_pcm_frames(ma_data_source* pDataSource, ma_uint64* pCursor);
MA_API ma_result ma_data_source_get_length_in_pcm_frames(ma_data_source* pDataSource, ma_uint64* pLength);
MA_API ma_result ma_data_source_get_cursor_in_seconds(ma_data_source* pDataSource, float* pCursor);
MA_API ma_result ma_data_source_get_length_in_seconds(ma_data_source* pDataSource, float* pLength);
MA_API ma_result ma_data_source_set_looping(ma_data_source* pDataSource, ma_bool32 isLooping);
MA_API ma_bool32 ma_data_source_is_looping(const ma_data_source* pDataSource);
MA_API ma_result ma_data_source_set_range_in_pcm_frames(ma_data_source* pDataSource, ma_uint64 rangeBegInFrames, ma_uint64 rangeEndInFrames);
MA_API void ma_data_source_get_range_in_pcm_frames(const ma_data_source* pDataSource, ma_uint64* pRangeBegInFrames, ma_uint64* pRangeEndInFrames);
MA_API ma_result ma_data_source_set_loop_point_in_pcm_frames(ma_data_source* pDataSource, ma_uint64 loopBegInFrames, ma_uint64 loopEndInFrames);
MA_API void ma_data_source_get_loop_point_in_pcm_frames(const ma_data_source* pDataSource, ma_uint64* pLoopBegInFrames, ma_uint64* pLoopEndInFrames);
MA_API ma_result ma_data_source_set_current(ma_data_source* pDataSource, ma_data_source* pCurrentDataSource);
MA_API ma_data_source* ma_data_source_get_current(const ma_data_source* pDataSource);
MA_API ma_result ma_data_source_set_next(ma_data_source* pDataSource, ma_data_source* pNextDataSource);
MA_API ma_data_source* ma_data_source_get_next(const ma_data_source* pDataSource);
MA_API ma_result ma_data_source_set_next_callback(ma_data_source* pDataSource, ma_data_source_get_next_proc onGetNext);
MA_API ma_data_source_get_next_proc ma_data_source_get_next_callback(const ma_data_source* pDataSource);
typedef struct
{
ma_data_source_base ds;
ma_format format;
ma_uint32 channels;
ma_uint32 sampleRate;
ma_uint64 cursor;
ma_uint64 sizeInFrames;
const void* pData;
} ma_audio_buffer_ref;
MA_API ma_result ma_audio_buffer_ref_init(ma_format format, ma_uint32 channels, const void* pData, ma_uint64 sizeInFrames, ma_audio_buffer_ref* pAudioBufferRef);
MA_API void ma_audio_buffer_ref_uninit(ma_audio_buffer_ref* pAudioBufferRef);
MA_API ma_result ma_audio_buffer_ref_set_data(ma_audio_buffer_ref* pAudioBufferRef, const void* pData, ma_uint64 sizeInFrames);
MA_API ma_uint64 ma_audio_buffer_ref_read_pcm_frames(ma_audio_buffer_ref* pAudioBufferRef, void* pFramesOut, ma_uint64 frameCount, ma_bool32 loop);
MA_API ma_result ma_audio_buffer_ref_seek_to_pcm_frame(ma_audio_buffer_ref* pAudioBufferRef, ma_uint64 frameIndex);
MA_API ma_result ma_audio_buffer_ref_map(ma_audio_buffer_ref* pAudioBufferRef, void** ppFramesOut, ma_uint64* pFrameCount);
MA_API ma_result ma_audio_buffer_ref_unmap(ma_audio_buffer_ref* pAudioBufferRef, ma_uint64 frameCount);
MA_API ma_bool32 ma_audio_buffer_ref_at_end(const ma_audio_buffer_ref* pAudioBufferRef);
MA_API ma_result ma_audio_buffer_ref_get_cursor_in_pcm_frames(const ma_audio_buffer_ref* pAudioBufferRef, ma_uint64* pCursor);
MA_API ma_result ma_audio_buffer_ref_get_length_in_pcm_frames(const ma_audio_buffer_ref* pAudioBufferRef, ma_uint64* pLength);
MA_API ma_result ma_audio_buffer_ref_get_available_frames(const ma_audio_buffer_ref* pAudioBufferRef, ma_uint64* pAvailableFrames);
typedef struct
{
ma_format format;
ma_uint32 channels;
ma_uint32 sampleRate;
ma_uint64 sizeInFrames;
const void* pData;
ma_allocation_callbacks allocationCallbacks;
} ma_audio_buffer_config;
MA_API ma_audio_buffer_config ma_audio_buffer_config_init(ma_format format, ma_uint32 channels, ma_uint64 sizeInFrames, const void* pData, const ma_allocation_callbacks* pAllocationCallbacks);
typedef struct
{
ma_audio_buffer_ref ref;
ma_allocation_callbacks allocationCallbacks;
ma_bool32 ownsData;
ma_uint8 _pExtraData[1];
} ma_audio_buffer;
MA_API ma_result ma_audio_buffer_init(const ma_audio_buffer_config* pConfig, ma_audio_buffer* pAudioBuffer);
MA_API ma_result ma_audio_buffer_init_copy(const ma_audio_buffer_config* pConfig, ma_audio_buffer* pAudioBuffer);
MA_API ma_result ma_audio_buffer_alloc_and_init(const ma_audio_buffer_config* pConfig, ma_audio_buffer** ppAudioBuffer);
MA_API void ma_audio_buffer_uninit(ma_audio_buffer* pAudioBuffer);
MA_API void ma_audio_buffer_uninit_and_free(ma_audio_buffer* pAudioBuffer);
MA_API ma_uint64 ma_audio_buffer_read_pcm_frames(ma_audio_buffer* pAudioBuffer, void* pFramesOut, ma_uint64 frameCount, ma_bool32 loop);
MA_API ma_result ma_audio_buffer_seek_to_pcm_frame(ma_audio_buffer* pAudioBuffer, ma_uint64 frameIndex);
MA_API ma_result ma_audio_buffer_map(ma_audio_buffer* pAudioBuffer, void** ppFramesOut, ma_uint64* pFrameCount);
MA_API ma_result ma_audio_buffer_unmap(ma_audio_buffer* pAudioBuffer, ma_uint64 frameCount);
MA_API ma_bool32 ma_audio_buffer_at_end(const ma_audio_buffer* pAudioBuffer);
MA_API ma_result ma_audio_buffer_get_cursor_in_pcm_frames(const ma_audio_buffer* pAudioBuffer, ma_uint64* pCursor);
MA_API ma_result ma_audio_buffer_get_length_in_pcm_frames(const ma_audio_buffer* pAudioBuffer, ma_uint64* pLength);
MA_API ma_result ma_audio_buffer_get_available_frames(const ma_audio_buffer* pAudioBuffer, ma_uint64* pAvailableFrames);
typedef struct ma_paged_audio_buffer_page ma_paged_audio_buffer_page;
struct ma_paged_audio_buffer_page
{
MA_ATOMIC(MA_SIZEOF_PTR, ma_paged_audio_buffer_page*) pNext;
ma_uint64 sizeInFrames;
ma_uint8 pAudioData[1];
};
typedef struct
{
ma_format format;
ma_uint32 channels;
ma_paged_audio_buffer_page head;
MA_ATOMIC(MA_SIZEOF_PTR, ma_paged_audio_buffer_page*) pTail;
} ma_paged_audio_buffer_data;
MA_API ma_result ma_paged_audio_buffer_data_init(ma_format format, ma_uint32 channels, ma_paged_audio_buffer_data* pData);
MA_API void ma_paged_audio_buffer_data_uninit(ma_paged_audio_buffer_data* pData, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_paged_audio_buffer_page* ma_paged_audio_buffer_data_get_head(ma_paged_audio_buffer_data* pData);
MA_API ma_paged_audio_buffer_page* ma_paged_audio_buffer_data_get_tail(ma_paged_audio_buffer_data* pData);
MA_API ma_result ma_paged_audio_buffer_data_get_length_in_pcm_frames(ma_paged_audio_buffer_data* pData, ma_uint64* pLength);
MA_API ma_result ma_paged_audio_buffer_data_allocate_page(ma_paged_audio_buffer_data* pData, ma_uint64 pageSizeInFrames, const void* pInitialData, const ma_allocation_callbacks* pAllocationCallbacks, ma_paged_audio_buffer_page** ppPage);
MA_API ma_result ma_paged_audio_buffer_data_free_page(ma_paged_audio_buffer_data* pData, ma_paged_audio_buffer_page* pPage, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_result ma_paged_audio_buffer_data_append_page(ma_paged_audio_buffer_data* pData, ma_paged_audio_buffer_page* pPage);
MA_API ma_result ma_paged_audio_buffer_data_allocate_and_append_page(ma_paged_audio_buffer_data* pData, ma_uint32 pageSizeInFrames, const void* pInitialData, const ma_allocation_callbacks* pAllocationCallbacks);
typedef struct
{
ma_paged_audio_buffer_data* pData;
} ma_paged_audio_buffer_config;
MA_API ma_paged_audio_buffer_config ma_paged_audio_buffer_config_init(ma_paged_audio_buffer_data* pData);
typedef struct
{
ma_data_source_base ds;
ma_paged_audio_buffer_data* pData;
ma_paged_audio_buffer_page* pCurrent;
ma_uint64 relativeCursor;
ma_uint64 absoluteCursor;
} ma_paged_audio_buffer;
MA_API ma_result ma_paged_audio_buffer_init(const ma_paged_audio_buffer_config* pConfig, ma_paged_audio_buffer* pPagedAudioBuffer);
MA_API void ma_paged_audio_buffer_uninit(ma_paged_audio_buffer* pPagedAudioBuffer);
MA_API ma_result ma_paged_audio_buffer_read_pcm_frames(ma_paged_audio_buffer* pPagedAudioBuffer, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead);
MA_API ma_result ma_paged_audio_buffer_seek_to_pcm_frame(ma_paged_audio_buffer* pPagedAudioBuffer, ma_uint64 frameIndex);
MA_API ma_result ma_paged_audio_buffer_get_cursor_in_pcm_frames(ma_paged_audio_buffer* pPagedAudioBuffer, ma_uint64* pCursor);
MA_API ma_result ma_paged_audio_buffer_get_length_in_pcm_frames(ma_paged_audio_buffer* pPagedAudioBuffer, ma_uint64* pLength);
typedef struct
{
void* pBuffer;
ma_uint32 subbufferSizeInBytes;
ma_uint32 subbufferCount;
ma_uint32 subbufferStrideInBytes;
MA_ATOMIC(4, ma_uint32) encodedReadOffset;
MA_ATOMIC(4, ma_uint32) encodedWriteOffset;
ma_bool8 ownsBuffer;
ma_bool8 clearOnWriteAcquire;
ma_allocation_callbacks allocationCallbacks;
} ma_rb;
MA_API ma_result ma_rb_init_ex(size_t subbufferSizeInBytes, size_t subbufferCount, size_t subbufferStrideInBytes, void* pOptionalPreallocatedBuffer, const ma_allocation_callbacks* pAllocationCallbacks, ma_rb* pRB);
MA_API ma_result ma_rb_init(size_t bufferSizeInBytes, void* pOptionalPreallocatedBuffer, const ma_allocation_callbacks* pAllocationCallbacks, ma_rb* pRB);
MA_API void ma_rb_uninit(ma_rb* pRB);
MA_API void ma_rb_reset(ma_rb* pRB);
MA_API ma_result ma_rb_acquire_read(ma_rb* pRB, size_t* pSizeInBytes, void** ppBufferOut);
MA_API ma_result ma_rb_commit_read(ma_rb* pRB, size_t sizeInBytes);
MA_API ma_result ma_rb_acquire_write(ma_rb* pRB, size_t* pSizeInBytes, void** ppBufferOut);
MA_API ma_result ma_rb_commit_write(ma_rb* pRB, size_t sizeInBytes);
MA_API ma_result ma_rb_seek_read(ma_rb* pRB, size_t offsetInBytes);
MA_API ma_result ma_rb_seek_write(ma_rb* pRB, size_t offsetInBytes);
MA_API ma_int32 ma_rb_pointer_distance(ma_rb* pRB);
MA_API ma_uint32 ma_rb_available_read(ma_rb* pRB);
MA_API ma_uint32 ma_rb_available_write(ma_rb* pRB);
MA_API size_t ma_rb_get_subbuffer_size(ma_rb* pRB);
MA_API size_t ma_rb_get_subbuffer_stride(ma_rb* pRB);
MA_API size_t ma_rb_get_subbuffer_offset(ma_rb* pRB, size_t subbufferIndex);
MA_API void* ma_rb_get_subbuffer_ptr(ma_rb* pRB, size_t subbufferIndex, void* pBuffer);
typedef struct
{
ma_data_source_base ds;
ma_rb rb;
ma_format format;
ma_uint32 channels;
ma_uint32 sampleRate;
} ma_pcm_rb;
MA_API ma_result ma_pcm_rb_init_ex(ma_format format, ma_uint32 channels, ma_uint32 subbufferSizeInFrames, ma_uint32 subbufferCount, ma_uint32 subbufferStrideInFrames, void* pOptionalPreallocatedBuffer, const ma_allocation_callbacks* pAllocationCallbacks, ma_pcm_rb* pRB);
MA_API ma_result ma_pcm_rb_init(ma_format format, ma_uint32 channels, ma_uint32 bufferSizeInFrames, void* pOptionalPreallocatedBuffer, const ma_allocation_callbacks* pAllocationCallbacks, ma_pcm_rb* pRB);
MA_API void ma_pcm_rb_uninit(ma_pcm_rb* pRB);
MA_API void ma_pcm_rb_reset(ma_pcm_rb* pRB);
MA_API ma_result ma_pcm_rb_acquire_read(ma_pcm_rb* pRB, ma_uint32* pSizeInFrames, void** ppBufferOut);
MA_API ma_result ma_pcm_rb_commit_read(ma_pcm_rb* pRB, ma_uint32 sizeInFrames);
MA_API ma_result ma_pcm_rb_acquire_write(ma_pcm_rb* pRB, ma_uint32* pSizeInFrames, void** ppBufferOut);
MA_API ma_result ma_pcm_rb_commit_write(ma_pcm_rb* pRB, ma_uint32 sizeInFrames);
MA_API ma_result ma_pcm_rb_seek_read(ma_pcm_rb* pRB, ma_uint32 offsetInFrames);
MA_API ma_result ma_pcm_rb_seek_write(ma_pcm_rb* pRB, ma_uint32 offsetInFrames);
MA_API ma_int32 ma_pcm_rb_pointer_distance(ma_pcm_rb* pRB);
MA_API ma_uint32 ma_pcm_rb_available_read(ma_pcm_rb* pRB);
MA_API ma_uint32 ma_pcm_rb_available_write(ma_pcm_rb* pRB);
MA_API ma_uint32 ma_pcm_rb_get_subbuffer_size(ma_pcm_rb* pRB);
MA_API ma_uint32 ma_pcm_rb_get_subbuffer_stride(ma_pcm_rb* pRB);
MA_API ma_uint32 ma_pcm_rb_get_subbuffer_offset(ma_pcm_rb* pRB, ma_uint32 subbufferIndex);
MA_API void* ma_pcm_rb_get_subbuffer_ptr(ma_pcm_rb* pRB, ma_uint32 subbufferIndex, void* pBuffer);
MA_API ma_format ma_pcm_rb_get_format(const ma_pcm_rb* pRB);
MA_API ma_uint32 ma_pcm_rb_get_channels(const ma_pcm_rb* pRB);
MA_API ma_uint32 ma_pcm_rb_get_sample_rate(const ma_pcm_rb* pRB);
MA_API void ma_pcm_rb_set_sample_rate(ma_pcm_rb* pRB, ma_uint32 sampleRate);
typedef struct
{
ma_pcm_rb rb;
} ma_duplex_rb;
MA_API ma_result ma_duplex_rb_init(ma_format captureFormat, ma_uint32 captureChannels, ma_uint32 sampleRate, ma_uint32 captureInternalSampleRate, ma_uint32 captureInternalPeriodSizeInFrames, const ma_allocation_callbacks* pAllocationCallbacks, ma_duplex_rb* pRB);
MA_API ma_result ma_duplex_rb_uninit(ma_duplex_rb* pRB);
MA_API const char* ma_result_description(ma_result result);
MA_API void* ma_malloc(size_t sz, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API void* ma_calloc(size_t sz, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API void* ma_realloc(void* p, size_t sz, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API void ma_free(void* p, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API void* ma_aligned_malloc(size_t sz, size_t alignment, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API void ma_aligned_free(void* p, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API const char* ma_get_format_name(ma_format format);
MA_API void ma_blend_f32(float* pOut, float* pInA, float* pInB, float factor, ma_uint32 channels);
MA_API ma_uint32 ma_get_bytes_per_sample(ma_format format);
static MA_INLINE ma_uint32 ma_get_bytes_per_frame(ma_format format, ma_uint32 channels) { return ma_get_bytes_per_sample(format) * channels; }
MA_API const char* ma_log_level_to_string(ma_uint32 logLevel);
MA_API ma_result ma_spinlock_lock(volatile ma_spinlock* pSpinlock);
MA_API ma_result ma_spinlock_lock_noyield(volatile ma_spinlock* pSpinlock);
MA_API ma_result ma_spinlock_unlock(volatile ma_spinlock* pSpinlock);
#ifndef MA_NO_THREADING
MA_API ma_result ma_mutex_init(ma_mutex* pMutex);
MA_API void ma_mutex_uninit(ma_mutex* pMutex);
MA_API void ma_mutex_lock(ma_mutex* pMutex);
MA_API void ma_mutex_unlock(ma_mutex* pMutex);
MA_API ma_result ma_event_init(ma_event* pEvent);
MA_API void ma_event_uninit(ma_event* pEvent);
MA_API ma_result ma_event_wait(ma_event* pEvent);
MA_API ma_result ma_event_signal(ma_event* pEvent);
MA_API ma_result ma_semaphore_init(int initialValue, ma_semaphore* pSemaphore);
MA_API void ma_semaphore_uninit(ma_semaphore* pSemaphore);
MA_API ma_result ma_semaphore_wait(ma_semaphore* pSemaphore);
MA_API ma_result ma_semaphore_release(ma_semaphore* pSemaphore);
#endif
typedef struct
{
#ifndef MA_NO_THREADING
ma_event e;
#endif
ma_uint32 counter;
} ma_fence;
MA_API ma_result ma_fence_init(ma_fence* pFence);
MA_API void ma_fence_uninit(ma_fence* pFence);
MA_API ma_result ma_fence_acquire(ma_fence* pFence);
MA_API ma_result ma_fence_release(ma_fence* pFence);
MA_API ma_result ma_fence_wait(ma_fence* pFence);
typedef void ma_async_notification;
typedef struct
{
void (* onSignal)(ma_async_notification* pNotification);
} ma_async_notification_callbacks;
MA_API ma_result ma_async_notification_signal(ma_async_notification* pNotification);
typedef struct
{
ma_async_notification_callbacks cb;
ma_bool32 signalled;
} ma_async_notification_poll;
MA_API ma_result ma_async_notification_poll_init(ma_async_notification_poll* pNotificationPoll);
MA_API ma_bool32 ma_async_notification_poll_is_signalled(const ma_async_notification_poll* pNotificationPoll);
typedef struct
{
ma_async_notification_callbacks cb;
#ifndef MA_NO_THREADING
ma_event e;
#endif
} ma_async_notification_event;
MA_API ma_result ma_async_notification_event_init(ma_async_notification_event* pNotificationEvent);
MA_API ma_result ma_async_notification_event_uninit(ma_async_notification_event* pNotificationEvent);
MA_API ma_result ma_async_notification_event_wait(ma_async_notification_event* pNotificationEvent);
MA_API ma_result ma_async_notification_event_signal(ma_async_notification_event* pNotificationEvent);
typedef struct
{
ma_uint32 capacity;
} ma_slot_allocator_config;
MA_API ma_slot_allocator_config ma_slot_allocator_config_init(ma_uint32 capacity);
typedef struct
{
MA_ATOMIC(4, ma_uint32) bitfield;
} ma_slot_allocator_group;
typedef struct
{
ma_slot_allocator_group* pGroups;
ma_uint32* pSlots;
ma_uint32 count;
ma_uint32 capacity;
ma_bool32 _ownsHeap;
void* _pHeap;
} ma_slot_allocator;
MA_API ma_result ma_slot_allocator_get_heap_size(const ma_slot_allocator_config* pConfig, size_t* pHeapSizeInBytes);
MA_API ma_result ma_slot_allocator_init_preallocated(const ma_slot_allocator_config* pConfig, void* pHeap, ma_slot_allocator* pAllocator);
MA_API ma_result ma_slot_allocator_init(const ma_slot_allocator_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_slot_allocator* pAllocator);
MA_API void ma_slot_allocator_uninit(ma_slot_allocator* pAllocator, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_result ma_slot_allocator_alloc(ma_slot_allocator* pAllocator, ma_uint64* pSlot);
MA_API ma_result ma_slot_allocator_free(ma_slot_allocator* pAllocator, ma_uint64 slot);
typedef struct ma_job ma_job;
typedef ma_result (* ma_job_proc)(ma_job* pJob);
typedef enum
{
MA_JOB_TYPE_QUIT = 0,
MA_JOB_TYPE_CUSTOM,
MA_JOB_TYPE_RESOURCE_MANAGER_LOAD_DATA_BUFFER_NODE,
MA_JOB_TYPE_RESOURCE_MANAGER_FREE_DATA_BUFFER_NODE,
MA_JOB_TYPE_RESOURCE_MANAGER_PAGE_DATA_BUFFER_NODE,
MA_JOB_TYPE_RESOURCE_MANAGER_LOAD_DATA_BUFFER,
MA_JOB_TYPE_RESOURCE_MANAGER_FREE_DATA_BUFFER,
MA_JOB_TYPE_RESOURCE_MANAGER_LOAD_DATA_STREAM,
MA_JOB_TYPE_RESOURCE_MANAGER_FREE_DATA_STREAM,
MA_JOB_TYPE_RESOURCE_MANAGER_PAGE_DATA_STREAM,
MA_JOB_TYPE_RESOURCE_MANAGER_SEEK_DATA_STREAM,
MA_JOB_TYPE_DEVICE_AAUDIO_REROUTE,
MA_JOB_TYPE_COUNT
} ma_job_type;
struct ma_job
{
union
{
struct
{
ma_uint16 code;
ma_uint16 slot;
ma_uint32 refcount;
} breakup;
ma_uint64 allocation;
} toc;
MA_ATOMIC(8, ma_uint64) next;
ma_uint32 order;
union
{
struct
{
ma_job_proc proc;
ma_uintptr data0;
ma_uintptr data1;
} custom;
union
{
struct
{
void* pResourceManager;
void* pDataBufferNode;
char* pFilePath;
wchar_t* pFilePathW;
ma_uint32 flags;
ma_async_notification* pInitNotification;
ma_async_notification* pDoneNotification;
ma_fence* pInitFence;
ma_fence* pDoneFence;
} loadDataBufferNode;
struct
{
void* pResourceManager;
void* pDataBufferNode;
ma_async_notification* pDoneNotification;
ma_fence* pDoneFence;
} freeDataBufferNode;
struct
{
void* pResourceManager;
void* pDataBufferNode;
void* pDecoder;
ma_async_notification* pDoneNotification;
ma_fence* pDoneFence;
} pageDataBufferNode;
struct
{
void* pDataBuffer;
ma_async_notification* pInitNotification;
ma_async_notification* pDoneNotification;
ma_fence* pInitFence;
ma_fence* pDoneFence;
ma_uint64 rangeBegInPCMFrames;
ma_uint64 rangeEndInPCMFrames;
ma_uint64 loopPointBegInPCMFrames;
ma_uint64 loopPointEndInPCMFrames;
ma_uint32 isLooping;
} loadDataBuffer;
struct
{
void* pDataBuffer;
ma_async_notification* pDoneNotification;
ma_fence* pDoneFence;
} freeDataBuffer;
struct
{
void* pDataStream;
char* pFilePath;
wchar_t* pFilePathW;
ma_uint64 initialSeekPoint;
ma_async_notification* pInitNotification;
ma_fence* pInitFence;
} loadDataStream;
struct
{
void* pDataStream;
ma_async_notification* pDoneNotification;
ma_fence* pDoneFence;
} freeDataStream;
struct
{
void* pDataStream;
ma_uint32 pageIndex;
} pageDataStream;
struct
{
void* pDataStream;
ma_uint64 frameIndex;
} seekDataStream;
} resourceManager;
union
{
union
{
struct
{
void* pDevice;
ma_uint32 deviceType;
} reroute;
} aaudio;
} device;
} data;
};
MA_API ma_job ma_job_init(ma_uint16 code);
MA_API ma_result ma_job_process(ma_job* pJob);
typedef enum
{
MA_JOB_QUEUE_FLAG_NON_BLOCKING = 0x00000001
} ma_job_queue_flags;
typedef struct
{
ma_uint32 flags;
ma_uint32 capacity;
} ma_job_queue_config;
MA_API ma_job_queue_config ma_job_queue_config_init(ma_uint32 flags, ma_uint32 capacity);
typedef struct
{
ma_uint32 flags;
ma_uint32 capacity;
MA_ATOMIC(8, ma_uint64) head;
MA_ATOMIC(8, ma_uint64) tail;
#ifndef MA_NO_THREADING
ma_semaphore sem;
#endif
ma_slot_allocator allocator;
ma_job* pJobs;
#ifndef MA_USE_EXPERIMENTAL_LOCK_FREE_JOB_QUEUE
ma_spinlock lock;
#endif
void* _pHeap;
ma_bool32 _ownsHeap;
} ma_job_queue;
MA_API ma_result ma_job_queue_get_heap_size(const ma_job_queue_config* pConfig, size_t* pHeapSizeInBytes);
MA_API ma_result ma_job_queue_init_preallocated(const ma_job_queue_config* pConfig, void* pHeap, ma_job_queue* pQueue);
MA_API ma_result ma_job_queue_init(const ma_job_queue_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_job_queue* pQueue);
MA_API void ma_job_queue_uninit(ma_job_queue* pQueue, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_result ma_job_queue_post(ma_job_queue* pQueue, const ma_job* pJob);
MA_API ma_result ma_job_queue_next(ma_job_queue* pQueue, ma_job* pJob);
#ifndef MA_NO_DEVICE_IO
#if defined(MA_WIN32) && !defined(MA_XBOX)
#define MA_SUPPORT_WASAPI
#if defined(MA_WIN32_DESKTOP)
#define MA_SUPPORT_DSOUND
#define MA_SUPPORT_WINMM
#define MA_SUPPORT_JACK
#endif
#endif
#if defined(MA_UNIX) && !defined(MA_ORBIS) && !defined(MA_PROSPERO)
#if defined(MA_LINUX)
#if !defined(MA_ANDROID) && !defined(MA_EMSCRIPTEN)
#define MA_SUPPORT_ALSA
#endif
#endif
#if !defined(MA_BSD) && !defined(MA_ANDROID) && !defined(MA_EMSCRIPTEN)
#define MA_SUPPORT_PULSEAUDIO
#define MA_SUPPORT_JACK
#endif
#if defined(__OpenBSD__)
#define MA_SUPPORT_SNDIO
#endif
#if defined(__NetBSD__) || defined(__OpenBSD__)
#define MA_SUPPORT_AUDIO4
#endif
#if defined(__FreeBSD__) || defined(__DragonFly__)
#define MA_SUPPORT_OSS
#endif
#endif
#if defined(MA_ANDROID)
#define MA_SUPPORT_AAUDIO
#define MA_SUPPORT_OPENSL
#endif
#if defined(MA_APPLE)
#define MA_SUPPORT_COREAUDIO
#endif
#if defined(MA_EMSCRIPTEN)
#define MA_SUPPORT_WEBAUDIO
#endif
#define MA_SUPPORT_CUSTOM
#if !defined(MA_EMSCRIPTEN)
#define MA_SUPPORT_NULL
#endif
#if defined(MA_SUPPORT_WASAPI) && !defined(MA_NO_WASAPI) && (!defined(MA_ENABLE_ONLY_SPECIFIC_BACKENDS) || defined(MA_ENABLE_WASAPI))
#define MA_HAS_WASAPI
#endif
#if defined(MA_SUPPORT_DSOUND) && !defined(MA_NO_DSOUND) && (!defined(MA_ENABLE_ONLY_SPECIFIC_BACKENDS) || defined(MA_ENABLE_DSOUND))
#define MA_HAS_DSOUND
#endif
#if defined(MA_SUPPORT_WINMM) && !defined(MA_NO_WINMM) && (!defined(MA_ENABLE_ONLY_SPECIFIC_BACKENDS) || defined(MA_ENABLE_WINMM))
#define MA_HAS_WINMM
#endif
#if defined(MA_SUPPORT_ALSA) && !defined(MA_NO_ALSA) && (!defined(MA_ENABLE_ONLY_SPECIFIC_BACKENDS) || defined(MA_ENABLE_ALSA))
#define MA_HAS_ALSA
#endif
#if defined(MA_SUPPORT_PULSEAUDIO) && !defined(MA_NO_PULSEAUDIO) && (!defined(MA_ENABLE_ONLY_SPECIFIC_BACKENDS) || defined(MA_ENABLE_PULSEAUDIO))
#define MA_HAS_PULSEAUDIO
#endif
#if defined(MA_SUPPORT_JACK) && !defined(MA_NO_JACK) && (!defined(MA_ENABLE_ONLY_SPECIFIC_BACKENDS) || defined(MA_ENABLE_JACK))
#define MA_HAS_JACK
#endif
#if defined(MA_SUPPORT_COREAUDIO) && !defined(MA_NO_COREAUDIO) && (!defined(MA_ENABLE_ONLY_SPECIFIC_BACKENDS) || defined(MA_ENABLE_COREAUDIO))
#define MA_HAS_COREAUDIO
#endif
#if defined(MA_SUPPORT_SNDIO) && !defined(MA_NO_SNDIO) && (!defined(MA_ENABLE_ONLY_SPECIFIC_BACKENDS) || defined(MA_ENABLE_SNDIO))
#define MA_HAS_SNDIO
#endif
#if defined(MA_SUPPORT_AUDIO4) && !defined(MA_NO_AUDIO4) && (!defined(MA_ENABLE_ONLY_SPECIFIC_BACKENDS) || defined(MA_ENABLE_AUDIO4))
#define MA_HAS_AUDIO4
#endif
#if defined(MA_SUPPORT_OSS) && !defined(MA_NO_OSS) && (!defined(MA_ENABLE_ONLY_SPECIFIC_BACKENDS) || defined(MA_ENABLE_OSS))
#define MA_HAS_OSS
#endif
#if defined(MA_SUPPORT_AAUDIO) && !defined(MA_NO_AAUDIO) && (!defined(MA_ENABLE_ONLY_SPECIFIC_BACKENDS) || defined(MA_ENABLE_AAUDIO))
#define MA_HAS_AAUDIO
#endif
#if defined(MA_SUPPORT_OPENSL) && !defined(MA_NO_OPENSL) && (!defined(MA_ENABLE_ONLY_SPECIFIC_BACKENDS) || defined(MA_ENABLE_OPENSL))
#define MA_HAS_OPENSL
#endif
#if defined(MA_SUPPORT_WEBAUDIO) && !defined(MA_NO_WEBAUDIO) && (!defined(MA_ENABLE_ONLY_SPECIFIC_BACKENDS) || defined(MA_ENABLE_WEBAUDIO))
#define MA_HAS_WEBAUDIO
#endif
#if defined(MA_SUPPORT_CUSTOM) && !defined(MA_NO_CUSTOM) && (!defined(MA_ENABLE_ONLY_SPECIFIC_BACKENDS) || defined(MA_ENABLE_CUSTOM))
#define MA_HAS_CUSTOM
#endif
#if defined(MA_SUPPORT_NULL) && !defined(MA_NO_NULL) && (!defined(MA_ENABLE_ONLY_SPECIFIC_BACKENDS) || defined(MA_ENABLE_NULL))
#define MA_HAS_NULL
#endif
typedef enum
{
ma_device_state_uninitialized = 0,
ma_device_state_stopped = 1,
ma_device_state_started = 2,
ma_device_state_starting = 3,
ma_device_state_stopping = 4
} ma_device_state;
MA_ATOMIC_SAFE_TYPE_DECL(i32, 4, device_state)
#ifdef MA_SUPPORT_WASAPI
typedef struct
{
void* lpVtbl;
ma_uint32 counter;
ma_device* pDevice;
} ma_IMMNotificationClient;
#endif
typedef enum
{
ma_backend_wasapi,
ma_backend_dsound,
ma_backend_winmm,
ma_backend_coreaudio,
ma_backend_sndio,
ma_backend_audio4,
ma_backend_oss,
ma_backend_pulseaudio,
ma_backend_alsa,
ma_backend_jack,
ma_backend_aaudio,
ma_backend_opensl,
ma_backend_webaudio,
ma_backend_custom,
ma_backend_null
} ma_backend;
#define MA_BACKEND_COUNT (ma_backend_null+1)
typedef struct
{
ma_bool32 noThread;
ma_uint32 jobQueueCapacity;
ma_uint32 jobQueueFlags;
} ma_device_job_thread_config;
MA_API ma_device_job_thread_config ma_device_job_thread_config_init(void);
typedef struct
{
ma_thread thread;
ma_job_queue jobQueue;
ma_bool32 _hasThread;
} ma_device_job_thread;
MA_API ma_result ma_device_job_thread_init(const ma_device_job_thread_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_device_job_thread* pJobThread);
MA_API void ma_device_job_thread_uninit(ma_device_job_thread* pJobThread, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_result ma_device_job_thread_post(ma_device_job_thread* pJobThread, const ma_job* pJob);
MA_API ma_result ma_device_job_thread_next(ma_device_job_thread* pJobThread, ma_job* pJob);
typedef enum
{
ma_device_notification_type_started,
ma_device_notification_type_stopped,
ma_device_notification_type_rerouted,
ma_device_notification_type_interruption_began,
ma_device_notification_type_interruption_ended,
ma_device_notification_type_unlocked
} ma_device_notification_type;
typedef struct
{
ma_device* pDevice;
ma_device_notification_type type;
union
{
struct
{
int _unused;
} started;
struct
{
int _unused;
} stopped;
struct
{
int _unused;
} rerouted;
struct
{
int _unused;
} interruption;
} data;
} ma_device_notification;
typedef void (* ma_device_notification_proc)(const ma_device_notification* pNotification);
typedef void (* ma_device_data_proc)(ma_device* pDevice, void* pOutput, const void* pInput, ma_uint32 frameCount);
typedef void (* ma_stop_proc)(ma_device* pDevice);
typedef enum
{
ma_device_type_playback = 1,
ma_device_type_capture = 2,
ma_device_type_duplex = ma_device_type_playback | ma_device_type_capture,
ma_device_type_loopback = 4
} ma_device_type;
typedef enum
{
ma_share_mode_shared = 0,
ma_share_mode_exclusive
} ma_share_mode;
typedef enum
{
ma_ios_session_category_default = 0,
ma_ios_session_category_none,
ma_ios_session_category_ambient,
ma_ios_session_category_solo_ambient,
ma_ios_session_category_playback,
ma_ios_session_category_record,
ma_ios_session_category_play_and_record,
ma_ios_session_category_multi_route
} ma_ios_session_category;
typedef enum
{
ma_ios_session_category_option_mix_with_others = 0x01,
ma_ios_session_category_option_duck_others = 0x02,
ma_ios_session_category_option_allow_bluetooth = 0x04,
ma_ios_session_category_option_default_to_speaker = 0x08,
ma_ios_session_category_option_interrupt_spoken_audio_and_mix_with_others = 0x11,
ma_ios_session_category_option_allow_bluetooth_a2dp = 0x20,
ma_ios_session_category_option_allow_air_play = 0x40,
} ma_ios_session_category_option;
typedef enum
{
ma_opensl_stream_type_default = 0,
ma_opensl_stream_type_voice,
ma_opensl_stream_type_system,
ma_opensl_stream_type_ring,
ma_opensl_stream_type_media,
ma_opensl_stream_type_alarm,
ma_opensl_stream_type_notification
} ma_opensl_stream_type;
typedef enum
{
ma_opensl_recording_preset_default = 0,
ma_opensl_recording_preset_generic,
ma_opensl_recording_preset_camcorder,
ma_opensl_recording_preset_voice_recognition,
ma_opensl_recording_preset_voice_communication,
ma_opensl_recording_preset_voice_unprocessed
} ma_opensl_recording_preset;
typedef enum
{
ma_wasapi_usage_default = 0,
ma_wasapi_usage_games,
ma_wasapi_usage_pro_audio,
} ma_wasapi_usage;
typedef enum
{
ma_aaudio_usage_default = 0,
ma_aaudio_usage_media,
ma_aaudio_usage_voice_communication,
ma_aaudio_usage_voice_communication_signalling,
ma_aaudio_usage_alarm,
ma_aaudio_usage_notification,
ma_aaudio_usage_notification_ringtone,
ma_aaudio_usage_notification_event,
ma_aaudio_usage_assistance_accessibility,
ma_aaudio_usage_assistance_navigation_guidance,
ma_aaudio_usage_assistance_sonification,
ma_aaudio_usage_game,
ma_aaudio_usage_assitant,
ma_aaudio_usage_emergency,
ma_aaudio_usage_safety,
ma_aaudio_usage_vehicle_status,
ma_aaudio_usage_announcement
} ma_aaudio_usage;
typedef enum
{
ma_aaudio_content_type_default = 0,
ma_aaudio_content_type_speech,
ma_aaudio_content_type_music,
ma_aaudio_content_type_movie,
ma_aaudio_content_type_sonification
} ma_aaudio_content_type;
typedef enum
{
ma_aaudio_input_preset_default = 0,
ma_aaudio_input_preset_generic,
ma_aaudio_input_preset_camcorder,
ma_aaudio_input_preset_voice_recognition,
ma_aaudio_input_preset_voice_communication,
ma_aaudio_input_preset_unprocessed,
ma_aaudio_input_preset_voice_performance
} ma_aaudio_input_preset;
typedef enum
{
ma_aaudio_allow_capture_default = 0,
ma_aaudio_allow_capture_by_all,
ma_aaudio_allow_capture_by_system,
ma_aaudio_allow_capture_by_none
} ma_aaudio_allowed_capture_policy;
typedef union
{
ma_int64 counter;
double counterD;
} ma_timer;
typedef union
{
ma_wchar_win32 wasapi[64];
ma_uint8 dsound[16];
ma_uint32 winmm;
char alsa[256];
char pulse[256];
int jack;
char coreaudio[256];
char sndio[256];
char audio4[256];
char oss[64];
ma_int32 aaudio;
ma_uint32 opensl;
char webaudio[32];
union
{
int i;
char s[256];
void* p;
} custom;
int nullbackend;
} ma_device_id;
MA_API ma_bool32 ma_device_id_equal(const ma_device_id* pA, const ma_device_id* pB);
typedef struct ma_context_config ma_context_config;
typedef struct ma_device_config ma_device_config;
typedef struct ma_backend_callbacks ma_backend_callbacks;
#define MA_DATA_FORMAT_FLAG_EXCLUSIVE_MODE (1U << 1)
#ifndef MA_MAX_DEVICE_NAME_LENGTH
#define MA_MAX_DEVICE_NAME_LENGTH 255
#endif
typedef struct
{
ma_device_id id;
char name[MA_MAX_DEVICE_NAME_LENGTH + 1];
ma_bool32 isDefault;
ma_uint32 nativeDataFormatCount;
struct
{
ma_format format;
ma_uint32 channels;
ma_uint32 sampleRate;
ma_uint32 flags;
} nativeDataFormats[ 64];
} ma_device_info;
struct ma_device_config
{
ma_device_type deviceType;
ma_uint32 sampleRate;
ma_uint32 periodSizeInFrames;
ma_uint32 periodSizeInMilliseconds;
ma_uint32 periods;
ma_performance_profile performanceProfile;
ma_bool8 noPreSilencedOutputBuffer;
ma_bool8 noClip;
ma_bool8 noDisableDenormals;
ma_bool8 noFixedSizedCallback;
ma_device_data_proc dataCallback;
ma_device_notification_proc notificationCallback;
ma_stop_proc stopCallback;
void* pUserData;
ma_resampler_config resampling;
struct
{
const ma_device_id* pDeviceID;
ma_format format;
ma_uint32 channels;
ma_channel* pChannelMap;
ma_channel_mix_mode channelMixMode;
ma_bool32 calculateLFEFromSpatialChannels;
ma_share_mode shareMode;
} playback;
struct
{
const ma_device_id* pDeviceID;
ma_format format;
ma_uint32 channels;
ma_channel* pChannelMap;
ma_channel_mix_mode channelMixMode;
ma_bool32 calculateLFEFromSpatialChannels;
ma_share_mode shareMode;
} capture;
struct
{
ma_wasapi_usage usage;
ma_bool8 noAutoConvertSRC;
ma_bool8 noDefaultQualitySRC;
ma_bool8 noAutoStreamRouting;
ma_bool8 noHardwareOffloading;
ma_uint32 loopbackProcessID;
ma_bool8 loopbackProcessExclude;
} wasapi;
struct
{
ma_bool32 noMMap;
ma_bool32 noAutoFormat;
ma_bool32 noAutoChannels;
ma_bool32 noAutoResample;
} alsa;
struct
{
const char* pStreamNamePlayback;
const char* pStreamNameCapture;
int channelMap;
} pulse;
struct
{
ma_bool32 allowNominalSampleRateChange;
} coreaudio;
struct
{
ma_opensl_stream_type streamType;
ma_opensl_recording_preset recordingPreset;
ma_bool32 enableCompatibilityWorkarounds;
} opensl;
struct
{
ma_aaudio_usage usage;
ma_aaudio_content_type contentType;
ma_aaudio_input_preset inputPreset;
ma_aaudio_allowed_capture_policy allowedCapturePolicy;
ma_bool32 noAutoStartAfterReroute;
ma_bool32 enableCompatibilityWorkarounds;
ma_bool32 allowSetBufferCapacity;
} aaudio;
};
typedef ma_bool32 (* ma_enum_devices_callback_proc)(ma_context* pContext, ma_device_type deviceType, const ma_device_info* pInfo, void* pUserData);
typedef struct
{
const ma_device_id* pDeviceID;
ma_share_mode shareMode;
ma_format format;
ma_uint32 channels;
ma_uint32 sampleRate;
ma_channel channelMap[MA_MAX_CHANNELS];
ma_uint32 periodSizeInFrames;
ma_uint32 periodSizeInMilliseconds;
ma_uint32 periodCount;
} ma_device_descriptor;
struct ma_backend_callbacks
{
ma_result (* onContextInit)(ma_context* pContext, const ma_context_config* pConfig, ma_backend_callbacks* pCallbacks);
ma_result (* onContextUninit)(ma_context* pContext);
ma_result (* onContextEnumerateDevices)(ma_context* pContext, ma_enum_devices_callback_proc callback, void* pUserData);
ma_result (* onContextGetDeviceInfo)(ma_context* pContext, ma_device_type deviceType, const ma_device_id* pDeviceID, ma_device_info* pDeviceInfo);
ma_result (* onDeviceInit)(ma_device* pDevice, const ma_device_config* pConfig, ma_device_descriptor* pDescriptorPlayback, ma_device_descriptor* pDescriptorCapture);
ma_result (* onDeviceUninit)(ma_device* pDevice);
ma_result (* onDeviceStart)(ma_device* pDevice);
ma_result (* onDeviceStop)(ma_device* pDevice);
ma_result (* onDeviceRead)(ma_device* pDevice, void* pFrames, ma_uint32 frameCount, ma_uint32* pFramesRead);
ma_result (* onDeviceWrite)(ma_device* pDevice, const void* pFrames, ma_uint32 frameCount, ma_uint32* pFramesWritten);
ma_result (* onDeviceDataLoop)(ma_device* pDevice);
ma_result (* onDeviceDataLoopWakeup)(ma_device* pDevice);
ma_result (* onDeviceGetInfo)(ma_device* pDevice, ma_device_type type, ma_device_info* pDeviceInfo);
};
struct ma_context_config
{
ma_log* pLog;
ma_thread_priority threadPriority;
size_t threadStackSize;
void* pUserData;
ma_allocation_callbacks allocationCallbacks;
struct
{
ma_handle hWnd;
} dsound;
struct
{
ma_bool32 useVerboseDeviceEnumeration;
} alsa;
struct
{
const char* pApplicationName;
const char* pServerName;
ma_bool32 tryAutoSpawn;
} pulse;
struct
{
ma_ios_session_category sessionCategory;
ma_uint32 sessionCategoryOptions;
ma_bool32 noAudioSessionActivate;
ma_bool32 noAudioSessionDeactivate;
} coreaudio;
struct
{
const char* pClientName;
ma_bool32 tryStartServer;
} jack;
ma_backend_callbacks custom;
};
typedef struct
{
int code;
ma_event* pEvent;
union
{
struct
{
int _unused;
} quit;
struct
{
ma_device_type deviceType;
void* pAudioClient;
void** ppAudioClientService;
ma_result* pResult;
} createAudioClient;
struct
{
ma_device* pDevice;
ma_device_type deviceType;
} releaseAudioClient;
} data;
} ma_context_command__wasapi;
struct ma_context
{
ma_backend_callbacks callbacks;
ma_backend backend;
ma_log* pLog;
ma_log log;
ma_thread_priority threadPriority;
size_t threadStackSize;
void* pUserData;
ma_allocation_callbacks allocationCallbacks;
ma_mutex deviceEnumLock;
ma_mutex deviceInfoLock;
ma_uint32 deviceInfoCapacity;
ma_uint32 playbackDeviceInfoCount;
ma_uint32 captureDeviceInfoCount;
ma_device_info* pDeviceInfos;
union
{
#ifdef MA_SUPPORT_WASAPI
struct
{
ma_thread commandThread;
ma_mutex commandLock;
ma_semaphore commandSem;
ma_uint32 commandIndex;
ma_uint32 commandCount;
ma_context_command__wasapi commands[4];
ma_handle hAvrt;
ma_proc AvSetMmThreadCharacteristicsA;
ma_proc AvRevertMmThreadcharacteristics;
ma_handle hMMDevapi;
ma_proc ActivateAudioInterfaceAsync;
} wasapi;
#endif
#ifdef MA_SUPPORT_DSOUND
struct
{
ma_handle hWnd;
ma_handle hDSoundDLL;
ma_proc DirectSoundCreate;
ma_proc DirectSoundEnumerateA;
ma_proc DirectSoundCaptureCreate;
ma_proc DirectSoundCaptureEnumerateA;
} dsound;
#endif
#ifdef MA_SUPPORT_WINMM
struct
{
ma_handle hWinMM;
ma_proc waveOutGetNumDevs;
ma_proc waveOutGetDevCapsA;
ma_proc waveOutOpen;
ma_proc waveOutClose;
ma_proc waveOutPrepareHeader;
ma_proc waveOutUnprepareHeader;
ma_proc waveOutWrite;
ma_proc waveOutReset;
ma_proc waveInGetNumDevs;
ma_proc waveInGetDevCapsA;
ma_proc waveInOpen;
ma_proc waveInClose;
ma_proc waveInPrepareHeader;
ma_proc waveInUnprepareHeader;
ma_proc waveInAddBuffer;
ma_proc waveInStart;
ma_proc waveInReset;
} winmm;
#endif
#ifdef MA_SUPPORT_ALSA
struct
{
ma_handle asoundSO;
ma_proc snd_pcm_open;
ma_proc snd_pcm_close;
ma_proc snd_pcm_hw_params_sizeof;
ma_proc snd_pcm_hw_params_any;
ma_proc snd_pcm_hw_params_set_format;
ma_proc snd_pcm_hw_params_set_format_first;
ma_proc snd_pcm_hw_params_get_format_mask;
ma_proc snd_pcm_hw_params_set_channels;
ma_proc snd_pcm_hw_params_set_channels_near;
ma_proc snd_pcm_hw_params_set_channels_minmax;
ma_proc snd_pcm_hw_params_set_rate_resample;
ma_proc snd_pcm_hw_params_set_rate;
ma_proc snd_pcm_hw_params_set_rate_near;
ma_proc snd_pcm_hw_params_set_rate_minmax;
ma_proc snd_pcm_hw_params_set_buffer_size_near;
ma_proc snd_pcm_hw_params_set_periods_near;
ma_proc snd_pcm_hw_params_set_access;
ma_proc snd_pcm_hw_params_get_format;
ma_proc snd_pcm_hw_params_get_channels;
ma_proc snd_pcm_hw_params_get_channels_min;
ma_proc snd_pcm_hw_params_get_channels_max;
ma_proc snd_pcm_hw_params_get_rate;
ma_proc snd_pcm_hw_params_get_rate_min;
ma_proc snd_pcm_hw_params_get_rate_max;
ma_proc snd_pcm_hw_params_get_buffer_size;
ma_proc snd_pcm_hw_params_get_periods;
ma_proc snd_pcm_hw_params_get_access;
ma_proc snd_pcm_hw_params_test_format;
ma_proc snd_pcm_hw_params_test_channels;
ma_proc snd_pcm_hw_params_test_rate;
ma_proc snd_pcm_hw_params;
ma_proc snd_pcm_sw_params_sizeof;
ma_proc snd_pcm_sw_params_current;
ma_proc snd_pcm_sw_params_get_boundary;
ma_proc snd_pcm_sw_params_set_avail_min;
ma_proc snd_pcm_sw_params_set_start_threshold;
ma_proc snd_pcm_sw_params_set_stop_threshold;
ma_proc snd_pcm_sw_params;
ma_proc snd_pcm_format_mask_sizeof;
ma_proc snd_pcm_format_mask_test;
ma_proc snd_pcm_get_chmap;
ma_proc snd_pcm_state;
ma_proc snd_pcm_prepare;
ma_proc snd_pcm_start;
ma_proc snd_pcm_drop;
ma_proc snd_pcm_drain;
ma_proc snd_pcm_reset;
ma_proc snd_device_name_hint;
ma_proc snd_device_name_get_hint;
ma_proc snd_card_get_index;
ma_proc snd_device_name_free_hint;
ma_proc snd_pcm_mmap_begin;
ma_proc snd_pcm_mmap_commit;
ma_proc snd_pcm_recover;
ma_proc snd_pcm_readi;
ma_proc snd_pcm_writei;
ma_proc snd_pcm_avail;
ma_proc snd_pcm_avail_update;
ma_proc snd_pcm_wait;
ma_proc snd_pcm_nonblock;
ma_proc snd_pcm_info;
ma_proc snd_pcm_info_sizeof;
ma_proc snd_pcm_info_get_name;
ma_proc snd_pcm_poll_descriptors;
ma_proc snd_pcm_poll_descriptors_count;
ma_proc snd_pcm_poll_descriptors_revents;
ma_proc snd_config_update_free_global;
ma_mutex internalDeviceEnumLock;
ma_bool32 useVerboseDeviceEnumeration;
} alsa;
#endif
#ifdef MA_SUPPORT_PULSEAUDIO
struct
{
ma_handle pulseSO;
ma_proc pa_mainloop_new;
ma_proc pa_mainloop_free;
ma_proc pa_mainloop_quit;
ma_proc pa_mainloop_get_api;
ma_proc pa_mainloop_iterate;
ma_proc pa_mainloop_wakeup;
ma_proc pa_threaded_mainloop_new;
ma_proc pa_threaded_mainloop_free;
ma_proc pa_threaded_mainloop_start;
ma_proc pa_threaded_mainloop_stop;
ma_proc pa_threaded_mainloop_lock;
ma_proc pa_threaded_mainloop_unlock;
ma_proc pa_threaded_mainloop_wait;
ma_proc pa_threaded_mainloop_signal;
ma_proc pa_threaded_mainloop_accept;
ma_proc pa_threaded_mainloop_get_retval;
ma_proc pa_threaded_mainloop_get_api;
ma_proc pa_threaded_mainloop_in_thread;
ma_proc pa_threaded_mainloop_set_name;
ma_proc pa_context_new;
ma_proc pa_context_unref;
ma_proc pa_context_connect;
ma_proc pa_context_disconnect;
ma_proc pa_context_set_state_callback;
ma_proc pa_context_get_state;
ma_proc pa_context_get_sink_info_list;
ma_proc pa_context_get_source_info_list;
ma_proc pa_context_get_sink_info_by_name;
ma_proc pa_context_get_source_info_by_name;
ma_proc pa_operation_unref;
ma_proc pa_operation_get_state;
ma_proc pa_channel_map_init_extend;
ma_proc pa_channel_map_valid;
ma_proc pa_channel_map_compatible;
ma_proc pa_stream_new;
ma_proc pa_stream_unref;
ma_proc pa_stream_connect_playback;
ma_proc pa_stream_connect_record;
ma_proc pa_stream_disconnect;
ma_proc pa_stream_get_state;
ma_proc pa_stream_get_sample_spec;
ma_proc pa_stream_get_channel_map;
ma_proc pa_stream_get_buffer_attr;
ma_proc pa_stream_set_buffer_attr;
ma_proc pa_stream_get_device_name;
ma_proc pa_stream_set_write_callback;
ma_proc pa_stream_set_read_callback;
ma_proc pa_stream_set_suspended_callback;
ma_proc pa_stream_set_moved_callback;
ma_proc pa_stream_is_suspended;
ma_proc pa_stream_flush;
ma_proc pa_stream_drain;
ma_proc pa_stream_is_corked;
ma_proc pa_stream_cork;
ma_proc pa_stream_trigger;
ma_proc pa_stream_begin_write;
ma_proc pa_stream_write;
ma_proc pa_stream_peek;
ma_proc pa_stream_drop;
ma_proc pa_stream_writable_size;
ma_proc pa_stream_readable_size;
ma_ptr pMainLoop;
ma_ptr pPulseContext;
char* pApplicationName;
char* pServerName;
} pulse;
#endif
#ifdef MA_SUPPORT_JACK
struct
{
ma_handle jackSO;
ma_proc jack_client_open;
ma_proc jack_client_close;
ma_proc jack_client_name_size;
ma_proc jack_set_process_callback;
ma_proc jack_set_buffer_size_callback;
ma_proc jack_on_shutdown;
ma_proc jack_get_sample_rate;
ma_proc jack_get_buffer_size;
ma_proc jack_get_ports;
ma_proc jack_activate;
ma_proc jack_deactivate;
ma_proc jack_connect;
ma_proc jack_port_register;
ma_proc jack_port_name;
ma_proc jack_port_get_buffer;
ma_proc jack_free;
char* pClientName;
ma_bool32 tryStartServer;
} jack;
#endif
#ifdef MA_SUPPORT_COREAUDIO
struct
{
ma_handle hCoreFoundation;
ma_proc CFStringGetCString;
ma_proc CFRelease;
ma_handle hCoreAudio;
ma_proc AudioObjectGetPropertyData;
ma_proc AudioObjectGetPropertyDataSize;
ma_proc AudioObjectSetPropertyData;
ma_proc AudioObjectAddPropertyListener;
ma_proc AudioObjectRemovePropertyListener;
ma_handle hAudioUnit;
ma_proc AudioComponentFindNext;
ma_proc AudioComponentInstanceDispose;
ma_proc AudioComponentInstanceNew;
ma_proc AudioOutputUnitStart;
ma_proc AudioOutputUnitStop;
ma_proc AudioUnitAddPropertyListener;
ma_proc AudioUnitGetPropertyInfo;
ma_proc AudioUnitGetProperty;
ma_proc AudioUnitSetProperty;
ma_proc AudioUnitInitialize;
ma_proc AudioUnitRender;
ma_ptr component;
ma_bool32 noAudioSessionDeactivate;
} coreaudio;
#endif
#ifdef MA_SUPPORT_SNDIO
struct
{
ma_handle sndioSO;
ma_proc sio_open;
ma_proc sio_close;
ma_proc sio_setpar;
ma_proc sio_getpar;
ma_proc sio_getcap;
ma_proc sio_start;
ma_proc sio_stop;
ma_proc sio_read;
ma_proc sio_write;
ma_proc sio_onmove;
ma_proc sio_nfds;
ma_proc sio_pollfd;
ma_proc sio_revents;
ma_proc sio_eof;
ma_proc sio_setvol;
ma_proc sio_onvol;
ma_proc sio_initpar;
} sndio;
#endif
#ifdef MA_SUPPORT_AUDIO4
struct
{
int _unused;
} audio4;
#endif
#ifdef MA_SUPPORT_OSS
struct
{
int versionMajor;
int versionMinor;
} oss;
#endif
#ifdef MA_SUPPORT_AAUDIO
struct
{
ma_handle hAAudio;
ma_proc AAudio_createStreamBuilder;
ma_proc AAudioStreamBuilder_delete;
ma_proc AAudioStreamBuilder_setDeviceId;
ma_proc AAudioStreamBuilder_setDirection;
ma_proc AAudioStreamBuilder_setSharingMode;
ma_proc AAudioStreamBuilder_setFormat;
ma_proc AAudioStreamBuilder_setChannelCount;
ma_proc AAudioStreamBuilder_setSampleRate;
ma_proc AAudioStreamBuilder_setBufferCapacityInFrames;
ma_proc AAudioStreamBuilder_setFramesPerDataCallback;
ma_proc AAudioStreamBuilder_setDataCallback;
ma_proc AAudioStreamBuilder_setErrorCallback;
ma_proc AAudioStreamBuilder_setPerformanceMode;
ma_proc AAudioStreamBuilder_setUsage;
ma_proc AAudioStreamBuilder_setContentType;
ma_proc AAudioStreamBuilder_setInputPreset;
ma_proc AAudioStreamBuilder_setAllowedCapturePolicy;
ma_proc AAudioStreamBuilder_openStream;
ma_proc AAudioStream_close;
ma_proc AAudioStream_getState;
ma_proc AAudioStream_waitForStateChange;
ma_proc AAudioStream_getFormat;
ma_proc AAudioStream_getChannelCount;
ma_proc AAudioStream_getSampleRate;
ma_proc AAudioStream_getBufferCapacityInFrames;
ma_proc AAudioStream_getFramesPerDataCallback;
ma_proc AAudioStream_getFramesPerBurst;
ma_proc AAudioStream_requestStart;
ma_proc AAudioStream_requestStop;
ma_device_job_thread jobThread;
} aaudio;
#endif
#ifdef MA_SUPPORT_OPENSL
struct
{
ma_handle libOpenSLES;
ma_handle SL_IID_ENGINE;
ma_handle SL_IID_AUDIOIODEVICECAPABILITIES;
ma_handle SL_IID_ANDROIDSIMPLEBUFFERQUEUE;
ma_handle SL_IID_RECORD;
ma_handle SL_IID_PLAY;
ma_handle SL_IID_OUTPUTMIX;
ma_handle SL_IID_ANDROIDCONFIGURATION;
ma_proc slCreateEngine;
} opensl;
#endif
#ifdef MA_SUPPORT_WEBAUDIO
struct
{
int _unused;
} webaudio;
#endif
#ifdef MA_SUPPORT_NULL
struct
{
int _unused;
} null_backend;
#endif
};
union
{
#if defined(MA_WIN32)
struct
{
ma_handle hOle32DLL;
ma_proc CoInitialize;
ma_proc CoInitializeEx;
ma_proc CoUninitialize;
ma_proc CoCreateInstance;
ma_proc CoTaskMemFree;
ma_proc PropVariantClear;
ma_proc StringFromGUID2;
ma_handle hUser32DLL;
ma_proc GetForegroundWindow;
ma_proc GetDesktopWindow;
ma_handle hAdvapi32DLL;
ma_proc RegOpenKeyExA;
ma_proc RegCloseKey;
ma_proc RegQueryValueExA;
long CoInitializeResult;
} win32;
#endif
#ifdef MA_POSIX
struct
{
int _unused;
} posix;
#endif
int _unused;
};
};
struct ma_device
{
ma_context* pContext;
ma_device_type type;
ma_uint32 sampleRate;
ma_atomic_device_state state;
ma_device_data_proc onData;
ma_device_notification_proc onNotification;
ma_stop_proc onStop;
void* pUserData;
ma_mutex startStopLock;
ma_event wakeupEvent;
ma_event startEvent;
ma_event stopEvent;
ma_thread thread;
ma_result workResult;
ma_bool8 isOwnerOfContext;
ma_bool8 noPreSilencedOutputBuffer;
ma_bool8 noClip;
ma_bool8 noDisableDenormals;
ma_bool8 noFixedSizedCallback;
ma_atomic_float masterVolumeFactor;
ma_duplex_rb duplexRB;
struct
{
ma_resample_algorithm algorithm;
ma_resampling_backend_vtable* pBackendVTable;
void* pBackendUserData;
struct
{
ma_uint32 lpfOrder;
} linear;
} resampling;
struct
{
ma_device_id* pID;
ma_device_id id;
char name[MA_MAX_DEVICE_NAME_LENGTH + 1];
ma_share_mode shareMode;
ma_format format;
ma_uint32 channels;
ma_channel channelMap[MA_MAX_CHANNELS];
ma_format internalFormat;
ma_uint32 internalChannels;
ma_uint32 internalSampleRate;
ma_channel internalChannelMap[MA_MAX_CHANNELS];
ma_uint32 internalPeriodSizeInFrames;
ma_uint32 internalPeriods;
ma_channel_mix_mode channelMixMode;
ma_bool32 calculateLFEFromSpatialChannels;
ma_data_converter converter;
void* pIntermediaryBuffer;
ma_uint32 intermediaryBufferCap;
ma_uint32 intermediaryBufferLen;
void* pInputCache;
ma_uint64 inputCacheCap;
ma_uint64 inputCacheConsumed;
ma_uint64 inputCacheRemaining;
} playback;
struct
{
ma_device_id* pID;
ma_device_id id;
char name[MA_MAX_DEVICE_NAME_LENGTH + 1];
ma_share_mode shareMode;
ma_format format;
ma_uint32 channels;
ma_channel channelMap[MA_MAX_CHANNELS];
ma_format internalFormat;
ma_uint32 internalChannels;
ma_uint32 internalSampleRate;
ma_channel internalChannelMap[MA_MAX_CHANNELS];
ma_uint32 internalPeriodSizeInFrames;
ma_uint32 internalPeriods;
ma_channel_mix_mode channelMixMode;
ma_bool32 calculateLFEFromSpatialChannels;
ma_data_converter converter;
void* pIntermediaryBuffer;
ma_uint32 intermediaryBufferCap;
ma_uint32 intermediaryBufferLen;
} capture;
union
{
#ifdef MA_SUPPORT_WASAPI
struct
{
ma_ptr pAudioClientPlayback;
ma_ptr pAudioClientCapture;
ma_ptr pRenderClient;
ma_ptr pCaptureClient;
ma_ptr pDeviceEnumerator;
ma_IMMNotificationClient notificationClient;
ma_handle hEventPlayback;
ma_handle hEventCapture;
ma_uint32 actualBufferSizeInFramesPlayback;
ma_uint32 actualBufferSizeInFramesCapture;
ma_uint32 originalPeriodSizeInFrames;
ma_uint32 originalPeriodSizeInMilliseconds;
ma_uint32 originalPeriods;
ma_performance_profile originalPerformanceProfile;
ma_uint32 periodSizeInFramesPlayback;
ma_uint32 periodSizeInFramesCapture;
void* pMappedBufferCapture;
ma_uint32 mappedBufferCaptureCap;
ma_uint32 mappedBufferCaptureLen;
void* pMappedBufferPlayback;
ma_uint32 mappedBufferPlaybackCap;
ma_uint32 mappedBufferPlaybackLen;
ma_atomic_bool32 isStartedCapture;
ma_atomic_bool32 isStartedPlayback;
ma_uint32 loopbackProcessID;
ma_bool8 loopbackProcessExclude;
ma_bool8 noAutoConvertSRC;
ma_bool8 noDefaultQualitySRC;
ma_bool8 noHardwareOffloading;
ma_bool8 allowCaptureAutoStreamRouting;
ma_bool8 allowPlaybackAutoStreamRouting;
ma_bool8 isDetachedPlayback;
ma_bool8 isDetachedCapture;
ma_wasapi_usage usage;
void* hAvrtHandle;
ma_mutex rerouteLock;
} wasapi;
#endif
#ifdef MA_SUPPORT_DSOUND
struct
{
ma_ptr pPlayback;
ma_ptr pPlaybackPrimaryBuffer;
ma_ptr pPlaybackBuffer;
ma_ptr pCapture;
ma_ptr pCaptureBuffer;
} dsound;
#endif
#ifdef MA_SUPPORT_WINMM
struct
{
ma_handle hDevicePlayback;
ma_handle hDeviceCapture;
ma_handle hEventPlayback;
ma_handle hEventCapture;
ma_uint32 fragmentSizeInFrames;
ma_uint32 iNextHeaderPlayback;
ma_uint32 iNextHeaderCapture;
ma_uint32 headerFramesConsumedPlayback;
ma_uint32 headerFramesConsumedCapture;
ma_uint8* pWAVEHDRPlayback;
ma_uint8* pWAVEHDRCapture;
ma_uint8* pIntermediaryBufferPlayback;
ma_uint8* pIntermediaryBufferCapture;
ma_uint8* _pHeapData;
} winmm;
#endif
#ifdef MA_SUPPORT_ALSA
struct
{
ma_ptr pPCMPlayback;
ma_ptr pPCMCapture;
void* pPollDescriptorsPlayback;
void* pPollDescriptorsCapture;
int pollDescriptorCountPlayback;
int pollDescriptorCountCapture;
int wakeupfdPlayback;
int wakeupfdCapture;
ma_bool8 isUsingMMapPlayback;
ma_bool8 isUsingMMapCapture;
} alsa;
#endif
#ifdef MA_SUPPORT_PULSEAUDIO
struct
{
ma_ptr pMainLoop;
ma_ptr pPulseContext;
ma_ptr pStreamPlayback;
ma_ptr pStreamCapture;
} pulse;
#endif
#ifdef MA_SUPPORT_JACK
struct
{
ma_ptr pClient;
ma_ptr* ppPortsPlayback;
ma_ptr* ppPortsCapture;
float* pIntermediaryBufferPlayback;
float* pIntermediaryBufferCapture;
} jack;
#endif
#ifdef MA_SUPPORT_COREAUDIO
struct
{
ma_uint32 deviceObjectIDPlayback;
ma_uint32 deviceObjectIDCapture;
ma_ptr audioUnitPlayback;
ma_ptr audioUnitCapture;
ma_ptr pAudioBufferList;
ma_uint32 audioBufferCapInFrames;
ma_event stopEvent;
ma_uint32 originalPeriodSizeInFrames;
ma_uint32 originalPeriodSizeInMilliseconds;
ma_uint32 originalPeriods;
ma_performance_profile originalPerformanceProfile;
ma_bool32 isDefaultPlaybackDevice;
ma_bool32 isDefaultCaptureDevice;
ma_bool32 isSwitchingPlaybackDevice;
ma_bool32 isSwitchingCaptureDevice;
void* pNotificationHandler;
} coreaudio;
#endif
#ifdef MA_SUPPORT_SNDIO
struct
{
ma_ptr handlePlayback;
ma_ptr handleCapture;
ma_bool32 isStartedPlayback;
ma_bool32 isStartedCapture;
} sndio;
#endif
#ifdef MA_SUPPORT_AUDIO4
struct
{
int fdPlayback;
int fdCapture;
} audio4;
#endif
#ifdef MA_SUPPORT_OSS
struct
{
int fdPlayback;
int fdCapture;
} oss;
#endif
#ifdef MA_SUPPORT_AAUDIO
struct
{
ma_ptr pStreamPlayback;
ma_ptr pStreamCapture;
ma_mutex rerouteLock;
ma_atomic_bool32 isTearingDown;
ma_aaudio_usage usage;
ma_aaudio_content_type contentType;
ma_aaudio_input_preset inputPreset;
ma_aaudio_allowed_capture_policy allowedCapturePolicy;
ma_bool32 noAutoStartAfterReroute;
} aaudio;
#endif
#ifdef MA_SUPPORT_OPENSL
struct
{
ma_ptr pOutputMixObj;
ma_ptr pOutputMix;
ma_ptr pAudioPlayerObj;
ma_ptr pAudioPlayer;
ma_ptr pAudioRecorderObj;
ma_ptr pAudioRecorder;
ma_ptr pBufferQueuePlayback;
ma_ptr pBufferQueueCapture;
ma_bool32 isDrainingCapture;
ma_bool32 isDrainingPlayback;
ma_uint32 currentBufferIndexPlayback;
ma_uint32 currentBufferIndexCapture;
ma_uint8* pBufferPlayback;
ma_uint8* pBufferCapture;
} opensl;
#endif
#ifdef MA_SUPPORT_WEBAUDIO
struct
{
int audioContext;
int audioWorklet;
float* pIntermediaryBuffer;
void* pStackBuffer;
ma_result initResult;
int deviceIndex;
} webaudio;
#endif
#ifdef MA_SUPPORT_NULL
struct
{
ma_thread deviceThread;
ma_event operationEvent;
ma_event operationCompletionEvent;
ma_semaphore operationSemaphore;
ma_uint32 operation;
ma_result operationResult;
ma_timer timer;
double priorRunTime;
ma_uint32 currentPeriodFramesRemainingPlayback;
ma_uint32 currentPeriodFramesRemainingCapture;
ma_uint64 lastProcessedFramePlayback;
ma_uint64 lastProcessedFrameCapture;
ma_atomic_bool32 isStarted;
} null_device;
#endif
};
};
#if defined(_MSC_VER) && !defined(__clang__)
#pragma warning(pop)
#elif defined(__clang__) || (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)))
#pragma GCC diagnostic pop
#endif
MA_API ma_context_config ma_context_config_init(void);
MA_API ma_result ma_context_init(const ma_backend backends[], ma_uint32 backendCount, const ma_context_config* pConfig, ma_context* pContext);
MA_API ma_result ma_context_uninit(ma_context* pContext);
MA_API size_t ma_context_sizeof(void);
MA_API ma_log* ma_context_get_log(ma_context* pContext);
MA_API ma_result ma_context_enumerate_devices(ma_context* pContext, ma_enum_devices_callback_proc callback, void* pUserData);
MA_API ma_result ma_context_get_devices(ma_context* pContext, ma_device_info** ppPlaybackDeviceInfos, ma_uint32* pPlaybackDeviceCount, ma_device_info** ppCaptureDeviceInfos, ma_uint32* pCaptureDeviceCount);
MA_API ma_result ma_context_get_device_info(ma_context* pContext, ma_device_type deviceType, const ma_device_id* pDeviceID, ma_device_info* pDeviceInfo);
MA_API ma_bool32 ma_context_is_loopback_supported(ma_context* pContext);
MA_API ma_device_config ma_device_config_init(ma_device_type deviceType);
MA_API ma_result ma_device_init(ma_context* pContext, const ma_device_config* pConfig, ma_device* pDevice);
MA_API ma_result ma_device_init_ex(const ma_backend backends[], ma_uint32 backendCount, const ma_context_config* pContextConfig, const ma_device_config* pConfig, ma_device* pDevice);
MA_API void ma_device_uninit(ma_device* pDevice);
MA_API ma_context* ma_device_get_context(ma_device* pDevice);
MA_API ma_log* ma_device_get_log(ma_device* pDevice);
MA_API ma_result ma_device_get_info(ma_device* pDevice, ma_device_type type, ma_device_info* pDeviceInfo);
MA_API ma_result ma_device_get_name(ma_device* pDevice, ma_device_type type, char* pName, size_t nameCap, size_t* pLengthNotIncludingNullTerminator);
MA_API ma_result ma_device_start(ma_device* pDevice);
MA_API ma_result ma_device_stop(ma_device* pDevice);
MA_API ma_bool32 ma_device_is_started(const ma_device* pDevice);
MA_API ma_device_state ma_device_get_state(const ma_device* pDevice);
MA_API ma_result ma_device_post_init(ma_device* pDevice, ma_device_type deviceType, const ma_device_descriptor* pPlaybackDescriptor, const ma_device_descriptor* pCaptureDescriptor);
MA_API ma_result ma_device_set_master_volume(ma_device* pDevice, float volume);
MA_API ma_result ma_device_get_master_volume(ma_device* pDevice, float* pVolume);
MA_API ma_result ma_device_set_master_volume_db(ma_device* pDevice, float gainDB);
MA_API ma_result ma_device_get_master_volume_db(ma_device* pDevice, float* pGainDB);
MA_API ma_result ma_device_handle_backend_data_callback(ma_device* pDevice, void* pOutput, const void* pInput, ma_uint32 frameCount);
MA_API ma_uint32 ma_calculate_buffer_size_in_frames_from_descriptor(const ma_device_descriptor* pDescriptor, ma_uint32 nativeSampleRate, ma_performance_profile performanceProfile);
MA_API const char* ma_get_backend_name(ma_backend backend);
MA_API ma_result ma_get_backend_from_name(const char* pBackendName, ma_backend* pBackend);
MA_API ma_bool32 ma_is_backend_enabled(ma_backend backend);
MA_API ma_result ma_get_enabled_backends(ma_backend* pBackends, size_t backendCap, size_t* pBackendCount);
MA_API ma_bool32 ma_is_loopback_supported(ma_backend backend);
#endif
MA_API ma_uint32 ma_calculate_buffer_size_in_milliseconds_from_frames(ma_uint32 bufferSizeInFrames, ma_uint32 sampleRate);
MA_API ma_uint32 ma_calculate_buffer_size_in_frames_from_milliseconds(ma_uint32 bufferSizeInMilliseconds, ma_uint32 sampleRate);
MA_API void ma_copy_pcm_frames(void* dst, const void* src, ma_uint64 frameCount, ma_format format, ma_uint32 channels);
MA_API void ma_silence_pcm_frames(void* p, ma_uint64 frameCount, ma_format format, ma_uint32 channels);
MA_API void* ma_offset_pcm_frames_ptr(void* p, ma_uint64 offsetInFrames, ma_format format, ma_uint32 channels);
MA_API const void* ma_offset_pcm_frames_const_ptr(const void* p, ma_uint64 offsetInFrames, ma_format format, ma_uint32 channels);
static MA_INLINE float* ma_offset_pcm_frames_ptr_f32(float* p, ma_uint64 offsetInFrames, ma_uint32 channels) { return (float*)ma_offset_pcm_frames_ptr((void*)p, offsetInFrames, ma_format_f32, channels); }
static MA_INLINE const float* ma_offset_pcm_frames_const_ptr_f32(const float* p, ma_uint64 offsetInFrames, ma_uint32 channels) { return (const float*)ma_offset_pcm_frames_const_ptr((const void*)p, offsetInFrames, ma_format_f32, channels); }
MA_API void ma_clip_samples_u8(ma_uint8* pDst, const ma_int16* pSrc, ma_uint64 count);
MA_API void ma_clip_samples_s16(ma_int16* pDst, const ma_int32* pSrc, ma_uint64 count);
MA_API void ma_clip_samples_s24(ma_uint8* pDst, const ma_int64* pSrc, ma_uint64 count);
MA_API void ma_clip_samples_s32(ma_int32* pDst, const ma_int64* pSrc, ma_uint64 count);
MA_API void ma_clip_samples_f32(float* pDst, const float* pSrc, ma_uint64 count);
MA_API void ma_clip_pcm_frames(void* pDst, const void* pSrc, ma_uint64 frameCount, ma_format format, ma_uint32 channels);
MA_API void ma_copy_and_apply_volume_factor_u8(ma_uint8* pSamplesOut, const ma_uint8* pSamplesIn, ma_uint64 sampleCount, float factor);
MA_API void ma_copy_and_apply_volume_factor_s16(ma_int16* pSamplesOut, const ma_int16* pSamplesIn, ma_uint64 sampleCount, float factor);
MA_API void ma_copy_and_apply_volume_factor_s24(void* pSamplesOut, const void* pSamplesIn, ma_uint64 sampleCount, float factor);
MA_API void ma_copy_and_apply_volume_factor_s32(ma_int32* pSamplesOut, const ma_int32* pSamplesIn, ma_uint64 sampleCount, float factor);
MA_API void ma_copy_and_apply_volume_factor_f32(float* pSamplesOut, const float* pSamplesIn, ma_uint64 sampleCount, float factor);
MA_API void ma_apply_volume_factor_u8(ma_uint8* pSamples, ma_uint64 sampleCount, float factor);
MA_API void ma_apply_volume_factor_s16(ma_int16* pSamples, ma_uint64 sampleCount, float factor);
MA_API void ma_apply_volume_factor_s24(void* pSamples, ma_uint64 sampleCount, float factor);
MA_API void ma_apply_volume_factor_s32(ma_int32* pSamples, ma_uint64 sampleCount, float factor);
MA_API void ma_apply_volume_factor_f32(float* pSamples, ma_uint64 sampleCount, float factor);
MA_API void ma_copy_and_apply_volume_factor_pcm_frames_u8(ma_uint8* pFramesOut, const ma_uint8* pFramesIn, ma_uint64 frameCount, ma_uint32 channels, float factor);
MA_API void ma_copy_and_apply_volume_factor_pcm_frames_s16(ma_int16* pFramesOut, const ma_int16* pFramesIn, ma_uint64 frameCount, ma_uint32 channels, float factor);
MA_API void ma_copy_and_apply_volume_factor_pcm_frames_s24(void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount, ma_uint32 channels, float factor);
MA_API void ma_copy_and_apply_volume_factor_pcm_frames_s32(ma_int32* pFramesOut, const ma_int32* pFramesIn, ma_uint64 frameCount, ma_uint32 channels, float factor);
MA_API void ma_copy_and_apply_volume_factor_pcm_frames_f32(float* pFramesOut, const float* pFramesIn, ma_uint64 frameCount, ma_uint32 channels, float factor);
MA_API void ma_copy_and_apply_volume_factor_pcm_frames(void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount, ma_format format, ma_uint32 channels, float factor);
MA_API void ma_apply_volume_factor_pcm_frames_u8(ma_uint8* pFrames, ma_uint64 frameCount, ma_uint32 channels, float factor);
MA_API void ma_apply_volume_factor_pcm_frames_s16(ma_int16* pFrames, ma_uint64 frameCount, ma_uint32 channels, float factor);
MA_API void ma_apply_volume_factor_pcm_frames_s24(void* pFrames, ma_uint64 frameCount, ma_uint32 channels, float factor);
MA_API void ma_apply_volume_factor_pcm_frames_s32(ma_int32* pFrames, ma_uint64 frameCount, ma_uint32 channels, float factor);
MA_API void ma_apply_volume_factor_pcm_frames_f32(float* pFrames, ma_uint64 frameCount, ma_uint32 channels, float factor);
MA_API void ma_apply_volume_factor_pcm_frames(void* pFrames, ma_uint64 frameCount, ma_format format, ma_uint32 channels, float factor);
MA_API void ma_copy_and_apply_volume_factor_per_channel_f32(float* pFramesOut, const float* pFramesIn, ma_uint64 frameCount, ma_uint32 channels, float* pChannelGains);
MA_API void ma_copy_and_apply_volume_and_clip_samples_u8(ma_uint8* pDst, const ma_int16* pSrc, ma_uint64 count, float volume);
MA_API void ma_copy_and_apply_volume_and_clip_samples_s16(ma_int16* pDst, const ma_int32* pSrc, ma_uint64 count, float volume);
MA_API void ma_copy_and_apply_volume_and_clip_samples_s24(ma_uint8* pDst, const ma_int64* pSrc, ma_uint64 count, float volume);
MA_API void ma_copy_and_apply_volume_and_clip_samples_s32(ma_int32* pDst, const ma_int64* pSrc, ma_uint64 count, float volume);
MA_API void ma_copy_and_apply_volume_and_clip_samples_f32(float* pDst, const float* pSrc, ma_uint64 count, float volume);
MA_API void ma_copy_and_apply_volume_and_clip_pcm_frames(void* pDst, const void* pSrc, ma_uint64 frameCount, ma_format format, ma_uint32 channels, float volume);
MA_API float ma_volume_linear_to_db(float factor);
MA_API float ma_volume_db_to_linear(float gain);
MA_API ma_result ma_mix_pcm_frames_f32(float* pDst, const float* pSrc, ma_uint64 frameCount, ma_uint32 channels, float volume);
typedef void ma_vfs;
typedef ma_handle ma_vfs_file;
typedef enum
{
MA_OPEN_MODE_READ = 0x00000001,
MA_OPEN_MODE_WRITE = 0x00000002
} ma_open_mode_flags;
typedef enum
{
ma_seek_origin_start,
ma_seek_origin_current,
ma_seek_origin_end
} ma_seek_origin;
typedef struct
{
ma_uint64 sizeInBytes;
} ma_file_info;
typedef struct
{
ma_result (* onOpen) (ma_vfs* pVFS, const char* pFilePath, ma_uint32 openMode, ma_vfs_file* pFile);
ma_result (* onOpenW)(ma_vfs* pVFS, const wchar_t* pFilePath, ma_uint32 openMode, ma_vfs_file* pFile);
ma_result (* onClose)(ma_vfs* pVFS, ma_vfs_file file);
ma_result (* onRead) (ma_vfs* pVFS, ma_vfs_file file, void* pDst, size_t sizeInBytes, size_t* pBytesRead);
ma_result (* onWrite)(ma_vfs* pVFS, ma_vfs_file file, const void* pSrc, size_t sizeInBytes, size_t* pBytesWritten);
ma_result (* onSeek) (ma_vfs* pVFS, ma_vfs_file file, ma_int64 offset, ma_seek_origin origin);
ma_result (* onTell) (ma_vfs* pVFS, ma_vfs_file file, ma_int64* pCursor);
ma_result (* onInfo) (ma_vfs* pVFS, ma_vfs_file file, ma_file_info* pInfo);
} ma_vfs_callbacks;
MA_API ma_result ma_vfs_open(ma_vfs* pVFS, const char* pFilePath, ma_uint32 openMode, ma_vfs_file* pFile);
MA_API ma_result ma_vfs_open_w(ma_vfs* pVFS, const wchar_t* pFilePath, ma_uint32 openMode, ma_vfs_file* pFile);
MA_API ma_result ma_vfs_close(ma_vfs* pVFS, ma_vfs_file file);
MA_API ma_result ma_vfs_read(ma_vfs* pVFS, ma_vfs_file file, void* pDst, size_t sizeInBytes, size_t* pBytesRead);
MA_API ma_result ma_vfs_write(ma_vfs* pVFS, ma_vfs_file file, const void* pSrc, size_t sizeInBytes, size_t* pBytesWritten);
MA_API ma_result ma_vfs_seek(ma_vfs* pVFS, ma_vfs_file file, ma_int64 offset, ma_seek_origin origin);
MA_API ma_result ma_vfs_tell(ma_vfs* pVFS, ma_vfs_file file, ma_int64* pCursor);
MA_API ma_result ma_vfs_info(ma_vfs* pVFS, ma_vfs_file file, ma_file_info* pInfo);
MA_API ma_result ma_vfs_open_and_read_file(ma_vfs* pVFS, const char* pFilePath, void** ppData, size_t* pSize, const ma_allocation_callbacks* pAllocationCallbacks);
typedef struct
{
ma_vfs_callbacks cb;
ma_allocation_callbacks allocationCallbacks;
} ma_default_vfs;
MA_API ma_result ma_default_vfs_init(ma_default_vfs* pVFS, const ma_allocation_callbacks* pAllocationCallbacks);
typedef ma_result (* ma_read_proc)(void* pUserData, void* pBufferOut, size_t bytesToRead, size_t* pBytesRead);
typedef ma_result (* ma_seek_proc)(void* pUserData, ma_int64 offset, ma_seek_origin origin);
typedef ma_result (* ma_tell_proc)(void* pUserData, ma_int64* pCursor);
#if !defined(MA_NO_DECODING) || !defined(MA_NO_ENCODING)
typedef enum
{
ma_encoding_format_unknown = 0,
ma_encoding_format_wav,
ma_encoding_format_flac,
ma_encoding_format_mp3,
ma_encoding_format_vorbis
} ma_encoding_format;
#endif
#ifndef MA_NO_DECODING
typedef struct ma_decoder ma_decoder;
typedef struct
{
ma_format preferredFormat;
ma_uint32 seekPointCount;
} ma_decoding_backend_config;
MA_API ma_decoding_backend_config ma_decoding_backend_config_init(ma_format preferredFormat, ma_uint32 seekPointCount);
typedef struct
{
ma_result (* onInit )(void* pUserData, ma_read_proc onRead, ma_seek_proc onSeek, ma_tell_proc onTell, void* pReadSeekTellUserData, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_data_source** ppBackend);
ma_result (* onInitFile )(void* pUserData, const char* pFilePath, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_data_source** ppBackend);
ma_result (* onInitFileW )(void* pUserData, const wchar_t* pFilePath, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_data_source** ppBackend);
ma_result (* onInitMemory)(void* pUserData, const void* pData, size_t dataSize, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_data_source** ppBackend);
void (* onUninit )(void* pUserData, ma_data_source* pBackend, const ma_allocation_callbacks* pAllocationCallbacks);
} ma_decoding_backend_vtable;
typedef ma_result (* ma_decoder_read_proc)(ma_decoder* pDecoder, void* pBufferOut, size_t bytesToRead, size_t* pBytesRead);
typedef ma_result (* ma_decoder_seek_proc)(ma_decoder* pDecoder, ma_int64 byteOffset, ma_seek_origin origin);
typedef ma_result (* ma_decoder_tell_proc)(ma_decoder* pDecoder, ma_int64* pCursor);
typedef struct
{
ma_format format;
ma_uint32 channels;
ma_uint32 sampleRate;
ma_channel* pChannelMap;
ma_channel_mix_mode channelMixMode;
ma_dither_mode ditherMode;
ma_resampler_config resampling;
ma_allocation_callbacks allocationCallbacks;
ma_encoding_format encodingFormat;
ma_uint32 seekPointCount;
ma_decoding_backend_vtable** ppCustomBackendVTables;
ma_uint32 customBackendCount;
void* pCustomBackendUserData;
} ma_decoder_config;
struct ma_decoder
{
ma_data_source_base ds;
ma_data_source* pBackend;
const ma_decoding_backend_vtable* pBackendVTable;
void* pBackendUserData;
ma_decoder_read_proc onRead;
ma_decoder_seek_proc onSeek;
ma_decoder_tell_proc onTell;
void* pUserData;
ma_uint64 readPointerInPCMFrames;
ma_format outputFormat;
ma_uint32 outputChannels;
ma_uint32 outputSampleRate;
ma_data_converter converter;
void* pInputCache;
ma_uint64 inputCacheCap;
ma_uint64 inputCacheConsumed;
ma_uint64 inputCacheRemaining;
ma_allocation_callbacks allocationCallbacks;
union
{
struct
{
ma_vfs* pVFS;
ma_vfs_file file;
} vfs;
struct
{
const ma_uint8* pData;
size_t dataSize;
size_t currentReadPos;
} memory;
} data;
};
MA_API ma_decoder_config ma_decoder_config_init(ma_format outputFormat, ma_uint32 outputChannels, ma_uint32 outputSampleRate);
MA_API ma_decoder_config ma_decoder_config_init_default(void);
MA_API ma_result ma_decoder_init(ma_decoder_read_proc onRead, ma_decoder_seek_proc onSeek, void* pUserData, const ma_decoder_config* pConfig, ma_decoder* pDecoder);
MA_API ma_result ma_decoder_init_memory(const void* pData, size_t dataSize, const ma_decoder_config* pConfig, ma_decoder* pDecoder);
MA_API ma_result ma_decoder_init_vfs(ma_vfs* pVFS, const char* pFilePath, const ma_decoder_config* pConfig, ma_decoder* pDecoder);
MA_API ma_result ma_decoder_init_vfs_w(ma_vfs* pVFS, const wchar_t* pFilePath, const ma_decoder_config* pConfig, ma_decoder* pDecoder);
MA_API ma_result ma_decoder_init_file(const char* pFilePath, const ma_decoder_config* pConfig, ma_decoder* pDecoder);
MA_API ma_result ma_decoder_init_file_w(const wchar_t* pFilePath, const ma_decoder_config* pConfig, ma_decoder* pDecoder);
MA_API ma_result ma_decoder_uninit(ma_decoder* pDecoder);
MA_API ma_result ma_decoder_read_pcm_frames(ma_decoder* pDecoder, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead);
MA_API ma_result ma_decoder_seek_to_pcm_frame(ma_decoder* pDecoder, ma_uint64 frameIndex);
MA_API ma_result ma_decoder_get_data_format(ma_decoder* pDecoder, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap);
MA_API ma_result ma_decoder_get_cursor_in_pcm_frames(ma_decoder* pDecoder, ma_uint64* pCursor);
MA_API ma_result ma_decoder_get_length_in_pcm_frames(ma_decoder* pDecoder, ma_uint64* pLength);
MA_API ma_result ma_decoder_get_available_frames(ma_decoder* pDecoder, ma_uint64* pAvailableFrames);
MA_API ma_result ma_decode_from_vfs(ma_vfs* pVFS, const char* pFilePath, ma_decoder_config* pConfig, ma_uint64* pFrameCountOut, void** ppPCMFramesOut);
MA_API ma_result ma_decode_file(const char* pFilePath, ma_decoder_config* pConfig, ma_uint64* pFrameCountOut, void** ppPCMFramesOut);
MA_API ma_result ma_decode_memory(const void* pData, size_t dataSize, ma_decoder_config* pConfig, ma_uint64* pFrameCountOut, void** ppPCMFramesOut);
#endif
#ifndef MA_NO_ENCODING
typedef struct ma_encoder ma_encoder;
typedef ma_result (* ma_encoder_write_proc) (ma_encoder* pEncoder, const void* pBufferIn, size_t bytesToWrite, size_t* pBytesWritten);
typedef ma_result (* ma_encoder_seek_proc) (ma_encoder* pEncoder, ma_int64 offset, ma_seek_origin origin);
typedef ma_result (* ma_encoder_init_proc) (ma_encoder* pEncoder);
typedef void (* ma_encoder_uninit_proc) (ma_encoder* pEncoder);
typedef ma_result (* ma_encoder_write_pcm_frames_proc)(ma_encoder* pEncoder, const void* pFramesIn, ma_uint64 frameCount, ma_uint64* pFramesWritten);
typedef struct
{
ma_encoding_format encodingFormat;
ma_format format;
ma_uint32 channels;
ma_uint32 sampleRate;
ma_allocation_callbacks allocationCallbacks;
} ma_encoder_config;
MA_API ma_encoder_config ma_encoder_config_init(ma_encoding_format encodingFormat, ma_format format, ma_uint32 channels, ma_uint32 sampleRate);
struct ma_encoder
{
ma_encoder_config config;
ma_encoder_write_proc onWrite;
ma_encoder_seek_proc onSeek;
ma_encoder_init_proc onInit;
ma_encoder_uninit_proc onUninit;
ma_encoder_write_pcm_frames_proc onWritePCMFrames;
void* pUserData;
void* pInternalEncoder;
union
{
struct
{
ma_vfs* pVFS;
ma_vfs_file file;
} vfs;
} data;
};
MA_API ma_result ma_encoder_init(ma_encoder_write_proc onWrite, ma_encoder_seek_proc onSeek, void* pUserData, const ma_encoder_config* pConfig, ma_encoder* pEncoder);
MA_API ma_result ma_encoder_init_vfs(ma_vfs* pVFS, const char* pFilePath, const ma_encoder_config* pConfig, ma_encoder* pEncoder);
MA_API ma_result ma_encoder_init_vfs_w(ma_vfs* pVFS, const wchar_t* pFilePath, const ma_encoder_config* pConfig, ma_encoder* pEncoder);
MA_API ma_result ma_encoder_init_file(const char* pFilePath, const ma_encoder_config* pConfig, ma_encoder* pEncoder);
MA_API ma_result ma_encoder_init_file_w(const wchar_t* pFilePath, const ma_encoder_config* pConfig, ma_encoder* pEncoder);
MA_API void ma_encoder_uninit(ma_encoder* pEncoder);
MA_API ma_result ma_encoder_write_pcm_frames(ma_encoder* pEncoder, const void* pFramesIn, ma_uint64 frameCount, ma_uint64* pFramesWritten);
#endif
#ifndef MA_NO_GENERATION
typedef enum
{
ma_waveform_type_sine,
ma_waveform_type_square,
ma_waveform_type_triangle,
ma_waveform_type_sawtooth
} ma_waveform_type;
typedef struct
{
ma_format format;
ma_uint32 channels;
ma_uint32 sampleRate;
ma_waveform_type type;
double amplitude;
double frequency;
} ma_waveform_config;
MA_API ma_waveform_config ma_waveform_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRate, ma_waveform_type type, double amplitude, double frequency);
typedef struct
{
ma_data_source_base ds;
ma_waveform_config config;
double advance;
double time;
} ma_waveform;
MA_API ma_result ma_waveform_init(const ma_waveform_config* pConfig, ma_waveform* pWaveform);
MA_API void ma_waveform_uninit(ma_waveform* pWaveform);
MA_API ma_result ma_waveform_read_pcm_frames(ma_waveform* pWaveform, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead);
MA_API ma_result ma_waveform_seek_to_pcm_frame(ma_waveform* pWaveform, ma_uint64 frameIndex);
MA_API ma_result ma_waveform_set_amplitude(ma_waveform* pWaveform, double amplitude);
MA_API ma_result ma_waveform_set_frequency(ma_waveform* pWaveform, double frequency);
MA_API ma_result ma_waveform_set_type(ma_waveform* pWaveform, ma_waveform_type type);
MA_API ma_result ma_waveform_set_sample_rate(ma_waveform* pWaveform, ma_uint32 sampleRate);
typedef struct
{
ma_format format;
ma_uint32 channels;
ma_uint32 sampleRate;
double dutyCycle;
double amplitude;
double frequency;
} ma_pulsewave_config;
MA_API ma_pulsewave_config ma_pulsewave_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRate, double dutyCycle, double amplitude, double frequency);
typedef struct
{
ma_waveform waveform;
ma_pulsewave_config config;
} ma_pulsewave;
MA_API ma_result ma_pulsewave_init(const ma_pulsewave_config* pConfig, ma_pulsewave* pWaveform);
MA_API void ma_pulsewave_uninit(ma_pulsewave* pWaveform);
MA_API ma_result ma_pulsewave_read_pcm_frames(ma_pulsewave* pWaveform, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead);
MA_API ma_result ma_pulsewave_seek_to_pcm_frame(ma_pulsewave* pWaveform, ma_uint64 frameIndex);
MA_API ma_result ma_pulsewave_set_amplitude(ma_pulsewave* pWaveform, double amplitude);
MA_API ma_result ma_pulsewave_set_frequency(ma_pulsewave* pWaveform, double frequency);
MA_API ma_result ma_pulsewave_set_sample_rate(ma_pulsewave* pWaveform, ma_uint32 sampleRate);
MA_API ma_result ma_pulsewave_set_duty_cycle(ma_pulsewave* pWaveform, double dutyCycle);
typedef enum
{
ma_noise_type_white,
ma_noise_type_pink,
ma_noise_type_brownian
} ma_noise_type;
typedef struct
{
ma_format format;
ma_uint32 channels;
ma_noise_type type;
ma_int32 seed;
double amplitude;
ma_bool32 duplicateChannels;
} ma_noise_config;
MA_API ma_noise_config ma_noise_config_init(ma_format format, ma_uint32 channels, ma_noise_type type, ma_int32 seed, double amplitude);
typedef struct
{
ma_data_source_base ds;
ma_noise_config config;
ma_lcg lcg;
union
{
struct
{
double** bin;
double* accumulation;
ma_uint32* counter;
} pink;
struct
{
double* accumulation;
} brownian;
} state;
void* _pHeap;
ma_bool32 _ownsHeap;
} ma_noise;
MA_API ma_result ma_noise_get_heap_size(const ma_noise_config* pConfig, size_t* pHeapSizeInBytes);
MA_API ma_result ma_noise_init_preallocated(const ma_noise_config* pConfig, void* pHeap, ma_noise* pNoise);
MA_API ma_result ma_noise_init(const ma_noise_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_noise* pNoise);
MA_API void ma_noise_uninit(ma_noise* pNoise, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_result ma_noise_read_pcm_frames(ma_noise* pNoise, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead);
MA_API ma_result ma_noise_set_amplitude(ma_noise* pNoise, double amplitude);
MA_API ma_result ma_noise_set_seed(ma_noise* pNoise, ma_int32 seed);
MA_API ma_result ma_noise_set_type(ma_noise* pNoise, ma_noise_type type);
#endif
#if !defined(MA_NO_RESOURCE_MANAGER) && defined(MA_NO_DECODING)
#define MA_NO_RESOURCE_MANAGER
#endif
#ifndef MA_NO_RESOURCE_MANAGER
typedef struct ma_resource_manager ma_resource_manager;
typedef struct ma_resource_manager_data_buffer_node ma_resource_manager_data_buffer_node;
typedef struct ma_resource_manager_data_buffer ma_resource_manager_data_buffer;
typedef struct ma_resource_manager_data_stream ma_resource_manager_data_stream;
typedef struct ma_resource_manager_data_source ma_resource_manager_data_source;
typedef enum
{
MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_STREAM = 0x00000001,
MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_DECODE = 0x00000002,
MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_ASYNC = 0x00000004,
MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_WAIT_INIT = 0x00000008,
MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_UNKNOWN_LENGTH = 0x00000010,
MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_LOOPING = 0x00000020
} ma_resource_manager_data_source_flags;
typedef struct
{
ma_async_notification* pNotification;
ma_fence* pFence;
} ma_resource_manager_pipeline_stage_notification;
typedef struct
{
ma_resource_manager_pipeline_stage_notification init;
ma_resource_manager_pipeline_stage_notification done;
} ma_resource_manager_pipeline_notifications;
MA_API ma_resource_manager_pipeline_notifications ma_resource_manager_pipeline_notifications_init(void);
#if 1
#define ma_resource_manager_job ma_job
#define ma_resource_manager_job_init ma_job_init
#define MA_JOB_TYPE_RESOURCE_MANAGER_QUEUE_FLAG_NON_BLOCKING MA_JOB_QUEUE_FLAG_NON_BLOCKING
#define ma_resource_manager_job_queue_config ma_job_queue_config
#define ma_resource_manager_job_queue_config_init ma_job_queue_config_init
#define ma_resource_manager_job_queue ma_job_queue
#define ma_resource_manager_job_queue_get_heap_size ma_job_queue_get_heap_size
#define ma_resource_manager_job_queue_init_preallocated ma_job_queue_init_preallocated
#define ma_resource_manager_job_queue_init ma_job_queue_init
#define ma_resource_manager_job_queue_uninit ma_job_queue_uninit
#define ma_resource_manager_job_queue_post ma_job_queue_post
#define ma_resource_manager_job_queue_next ma_job_queue_next
#endif
#ifndef MA_RESOURCE_MANAGER_MAX_JOB_THREAD_COUNT
#define MA_RESOURCE_MANAGER_MAX_JOB_THREAD_COUNT 64
#endif
typedef enum
{
MA_RESOURCE_MANAGER_FLAG_NON_BLOCKING = 0x00000001,
MA_RESOURCE_MANAGER_FLAG_NO_THREADING = 0x00000002
} ma_resource_manager_flags;
typedef struct
{
const char* pFilePath;
const wchar_t* pFilePathW;
const ma_resource_manager_pipeline_notifications* pNotifications;
ma_uint64 initialSeekPointInPCMFrames;
ma_uint64 rangeBegInPCMFrames;
ma_uint64 rangeEndInPCMFrames;
ma_uint64 loopPointBegInPCMFrames;
ma_uint64 loopPointEndInPCMFrames;
ma_uint32 flags;
ma_bool32 isLooping;
} ma_resource_manager_data_source_config;
MA_API ma_resource_manager_data_source_config ma_resource_manager_data_source_config_init(void);
typedef enum
{
ma_resource_manager_data_supply_type_unknown = 0,
ma_resource_manager_data_supply_type_encoded,
ma_resource_manager_data_supply_type_decoded,
ma_resource_manager_data_supply_type_decoded_paged
} ma_resource_manager_data_supply_type;
typedef struct
{
MA_ATOMIC(4, ma_resource_manager_data_supply_type) type;
union
{
struct
{
const void* pData;
size_t sizeInBytes;
} encoded;
struct
{
const void* pData;
ma_uint64 totalFrameCount;
ma_uint64 decodedFrameCount;
ma_format format;
ma_uint32 channels;
ma_uint32 sampleRate;
} decoded;
struct
{
ma_paged_audio_buffer_data data;
ma_uint64 decodedFrameCount;
ma_uint32 sampleRate;
} decodedPaged;
} backend;
} ma_resource_manager_data_supply;
struct ma_resource_manager_data_buffer_node
{
ma_uint32 hashedName32;
ma_uint32 refCount;
MA_ATOMIC(4, ma_result) result;
MA_ATOMIC(4, ma_uint32) executionCounter;
MA_ATOMIC(4, ma_uint32) executionPointer;
ma_bool32 isDataOwnedByResourceManager;
ma_resource_manager_data_supply data;
ma_resource_manager_data_buffer_node* pParent;
ma_resource_manager_data_buffer_node* pChildLo;
ma_resource_manager_data_buffer_node* pChildHi;
};
struct ma_resource_manager_data_buffer
{
ma_data_source_base ds;
ma_resource_manager* pResourceManager;
ma_resource_manager_data_buffer_node* pNode;
ma_uint32 flags;
MA_ATOMIC(4, ma_uint32) executionCounter;
MA_ATOMIC(4, ma_uint32) executionPointer;
ma_uint64 seekTargetInPCMFrames;
ma_bool32 seekToCursorOnNextRead;
MA_ATOMIC(4, ma_result) result;
MA_ATOMIC(4, ma_bool32) isLooping;
ma_atomic_bool32 isConnectorInitialized;
union
{
ma_decoder decoder;
ma_audio_buffer buffer;
ma_paged_audio_buffer pagedBuffer;
} connector;
};
struct ma_resource_manager_data_stream
{
ma_data_source_base ds;
ma_resource_manager* pResourceManager;
ma_uint32 flags;
ma_decoder decoder;
ma_bool32 isDecoderInitialized;
ma_uint64 totalLengthInPCMFrames;
ma_uint32 relativeCursor;
MA_ATOMIC(8, ma_uint64) absoluteCursor;
ma_uint32 currentPageIndex;
MA_ATOMIC(4, ma_uint32) executionCounter;
MA_ATOMIC(4, ma_uint32) executionPointer;
MA_ATOMIC(4, ma_bool32) isLooping;
void* pPageData;
MA_ATOMIC(4, ma_uint32) pageFrameCount[2];
MA_ATOMIC(4, ma_result) result;
MA_ATOMIC(4, ma_bool32) isDecoderAtEnd;
MA_ATOMIC(4, ma_bool32) isPageValid[2];
MA_ATOMIC(4, ma_bool32) seekCounter;
};
struct ma_resource_manager_data_source
{
union
{
ma_resource_manager_data_buffer buffer;
ma_resource_manager_data_stream stream;
} backend;
ma_uint32 flags;
MA_ATOMIC(4, ma_uint32) executionCounter;
MA_ATOMIC(4, ma_uint32) executionPointer;
};
typedef struct
{
ma_allocation_callbacks allocationCallbacks;
ma_log* pLog;
ma_format decodedFormat;
ma_uint32 decodedChannels;
ma_uint32 decodedSampleRate;
ma_uint32 jobThreadCount;
size_t jobThreadStackSize;
ma_uint32 jobQueueCapacity;
ma_uint32 flags;
ma_vfs* pVFS;
ma_decoding_backend_vtable** ppCustomDecodingBackendVTables;
ma_uint32 customDecodingBackendCount;
void* pCustomDecodingBackendUserData;
ma_resampler_config resampling;
} ma_resource_manager_config;
MA_API ma_resource_manager_config ma_resource_manager_config_init(void);
struct ma_resource_manager
{
ma_resource_manager_config config;
ma_resource_manager_data_buffer_node* pRootDataBufferNode;
#ifndef MA_NO_THREADING
ma_mutex dataBufferBSTLock;
ma_thread jobThreads[MA_RESOURCE_MANAGER_MAX_JOB_THREAD_COUNT];
#endif
ma_job_queue jobQueue;
ma_default_vfs defaultVFS;
ma_log log;
};
MA_API ma_result ma_resource_manager_init(const ma_resource_manager_config* pConfig, ma_resource_manager* pResourceManager);
MA_API void ma_resource_manager_uninit(ma_resource_manager* pResourceManager);
MA_API ma_log* ma_resource_manager_get_log(ma_resource_manager* pResourceManager);
MA_API ma_result ma_resource_manager_register_file(ma_resource_manager* pResourceManager, const char* pFilePath, ma_uint32 flags);
MA_API ma_result ma_resource_manager_register_file_w(ma_resource_manager* pResourceManager, const wchar_t* pFilePath, ma_uint32 flags);
MA_API ma_result ma_resource_manager_register_decoded_data(ma_resource_manager* pResourceManager, const char* pName, const void* pData, ma_uint64 frameCount, ma_format format, ma_uint32 channels, ma_uint32 sampleRate);
MA_API ma_result ma_resource_manager_register_decoded_data_w(ma_resource_manager* pResourceManager, const wchar_t* pName, const void* pData, ma_uint64 frameCount, ma_format format, ma_uint32 channels, ma_uint32 sampleRate);
MA_API ma_result ma_resource_manager_register_encoded_data(ma_resource_manager* pResourceManager, const char* pName, const void* pData, size_t sizeInBytes);
MA_API ma_result ma_resource_manager_register_encoded_data_w(ma_resource_manager* pResourceManager, const wchar_t* pName, const void* pData, size_t sizeInBytes);
MA_API ma_result ma_resource_manager_unregister_file(ma_resource_manager* pResourceManager, const char* pFilePath);
MA_API ma_result ma_resource_manager_unregister_file_w(ma_resource_manager* pResourceManager, const wchar_t* pFilePath);
MA_API ma_result ma_resource_manager_unregister_data(ma_resource_manager* pResourceManager, const char* pName);
MA_API ma_result ma_resource_manager_unregister_data_w(ma_resource_manager* pResourceManager, const wchar_t* pName);
MA_API ma_result ma_resource_manager_data_buffer_init_ex(ma_resource_manager* pResourceManager, const ma_resource_manager_data_source_config* pConfig, ma_resource_manager_data_buffer* pDataBuffer);
MA_API ma_result ma_resource_manager_data_buffer_init(ma_resource_manager* pResourceManager, const char* pFilePath, ma_uint32 flags, const ma_resource_manager_pipeline_notifications* pNotifications, ma_resource_manager_data_buffer* pDataBuffer);
MA_API ma_result ma_resource_manager_data_buffer_init_w(ma_resource_manager* pResourceManager, const wchar_t* pFilePath, ma_uint32 flags, const ma_resource_manager_pipeline_notifications* pNotifications, ma_resource_manager_data_buffer* pDataBuffer);
MA_API ma_result ma_resource_manager_data_buffer_init_copy(ma_resource_manager* pResourceManager, const ma_resource_manager_data_buffer* pExistingDataBuffer, ma_resource_manager_data_buffer* pDataBuffer);
MA_API ma_result ma_resource_manager_data_buffer_uninit(ma_resource_manager_data_buffer* pDataBuffer);
MA_API ma_result ma_resource_manager_data_buffer_read_pcm_frames(ma_resource_manager_data_buffer* pDataBuffer, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead);
MA_API ma_result ma_resource_manager_data_buffer_seek_to_pcm_frame(ma_resource_manager_data_buffer* pDataBuffer, ma_uint64 frameIndex);
MA_API ma_result ma_resource_manager_data_buffer_get_data_format(ma_resource_manager_data_buffer* pDataBuffer, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap);
MA_API ma_result ma_resource_manager_data_buffer_get_cursor_in_pcm_frames(ma_resource_manager_data_buffer* pDataBuffer, ma_uint64* pCursor);
MA_API ma_result ma_resource_manager_data_buffer_get_length_in_pcm_frames(ma_resource_manager_data_buffer* pDataBuffer, ma_uint64* pLength);
MA_API ma_result ma_resource_manager_data_buffer_result(const ma_resource_manager_data_buffer* pDataBuffer);
MA_API ma_result ma_resource_manager_data_buffer_set_looping(ma_resource_manager_data_buffer* pDataBuffer, ma_bool32 isLooping);
MA_API ma_bool32 ma_resource_manager_data_buffer_is_looping(const ma_resource_manager_data_buffer* pDataBuffer);
MA_API ma_result ma_resource_manager_data_buffer_get_available_frames(ma_resource_manager_data_buffer* pDataBuffer, ma_uint64* pAvailableFrames);
MA_API ma_result ma_resource_manager_data_stream_init_ex(ma_resource_manager* pResourceManager, const ma_resource_manager_data_source_config* pConfig, ma_resource_manager_data_stream* pDataStream);
MA_API ma_result ma_resource_manager_data_stream_init(ma_resource_manager* pResourceManager, const char* pFilePath, ma_uint32 flags, const ma_resource_manager_pipeline_notifications* pNotifications, ma_resource_manager_data_stream* pDataStream);
MA_API ma_result ma_resource_manager_data_stream_init_w(ma_resource_manager* pResourceManager, const wchar_t* pFilePath, ma_uint32 flags, const ma_resource_manager_pipeline_notifications* pNotifications, ma_resource_manager_data_stream* pDataStream);
MA_API ma_result ma_resource_manager_data_stream_uninit(ma_resource_manager_data_stream* pDataStream);
MA_API ma_result ma_resource_manager_data_stream_read_pcm_frames(ma_resource_manager_data_stream* pDataStream, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead);
MA_API ma_result ma_resource_manager_data_stream_seek_to_pcm_frame(ma_resource_manager_data_stream* pDataStream, ma_uint64 frameIndex);
MA_API ma_result ma_resource_manager_data_stream_get_data_format(ma_resource_manager_data_stream* pDataStream, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap);
MA_API ma_result ma_resource_manager_data_stream_get_cursor_in_pcm_frames(ma_resource_manager_data_stream* pDataStream, ma_uint64* pCursor);
MA_API ma_result ma_resource_manager_data_stream_get_length_in_pcm_frames(ma_resource_manager_data_stream* pDataStream, ma_uint64* pLength);
MA_API ma_result ma_resource_manager_data_stream_result(const ma_resource_manager_data_stream* pDataStream);
MA_API ma_result ma_resource_manager_data_stream_set_looping(ma_resource_manager_data_stream* pDataStream, ma_bool32 isLooping);
MA_API ma_bool32 ma_resource_manager_data_stream_is_looping(const ma_resource_manager_data_stream* pDataStream);
MA_API ma_result ma_resource_manager_data_stream_get_available_frames(ma_resource_manager_data_stream* pDataStream, ma_uint64* pAvailableFrames);
MA_API ma_result ma_resource_manager_data_source_init_ex(ma_resource_manager* pResourceManager, const ma_resource_manager_data_source_config* pConfig, ma_resource_manager_data_source* pDataSource);
MA_API ma_result ma_resource_manager_data_source_init(ma_resource_manager* pResourceManager, const char* pName, ma_uint32 flags, const ma_resource_manager_pipeline_notifications* pNotifications, ma_resource_manager_data_source* pDataSource);
MA_API ma_result ma_resource_manager_data_source_init_w(ma_resource_manager* pResourceManager, const wchar_t* pName, ma_uint32 flags, const ma_resource_manager_pipeline_notifications* pNotifications, ma_resource_manager_data_source* pDataSource);
MA_API ma_result ma_resource_manager_data_source_init_copy(ma_resource_manager* pResourceManager, const ma_resource_manager_data_source* pExistingDataSource, ma_resource_manager_data_source* pDataSource);
MA_API ma_result ma_resource_manager_data_source_uninit(ma_resource_manager_data_source* pDataSource);
MA_API ma_result ma_resource_manager_data_source_read_pcm_frames(ma_resource_manager_data_source* pDataSource, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead);
MA_API ma_result ma_resource_manager_data_source_seek_to_pcm_frame(ma_resource_manager_data_source* pDataSource, ma_uint64 frameIndex);
MA_API ma_result ma_resource_manager_data_source_get_data_format(ma_resource_manager_data_source* pDataSource, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap);
MA_API ma_result ma_resource_manager_data_source_get_cursor_in_pcm_frames(ma_resource_manager_data_source* pDataSource, ma_uint64* pCursor);
MA_API ma_result ma_resource_manager_data_source_get_length_in_pcm_frames(ma_resource_manager_data_source* pDataSource, ma_uint64* pLength);
MA_API ma_result ma_resource_manager_data_source_result(const ma_resource_manager_data_source* pDataSource);
MA_API ma_result ma_resource_manager_data_source_set_looping(ma_resource_manager_data_source* pDataSource, ma_bool32 isLooping);
MA_API ma_bool32 ma_resource_manager_data_source_is_looping(const ma_resource_manager_data_source* pDataSource);
MA_API ma_result ma_resource_manager_data_source_get_available_frames(ma_resource_manager_data_source* pDataSource, ma_uint64* pAvailableFrames);
MA_API ma_result ma_resource_manager_post_job(ma_resource_manager* pResourceManager, const ma_job* pJob);
MA_API ma_result ma_resource_manager_post_job_quit(ma_resource_manager* pResourceManager);
MA_API ma_result ma_resource_manager_next_job(ma_resource_manager* pResourceManager, ma_job* pJob);
MA_API ma_result ma_resource_manager_process_job(ma_resource_manager* pResourceManager, ma_job* pJob);
MA_API ma_result ma_resource_manager_process_next_job(ma_resource_manager* pResourceManager);
#endif
#ifndef MA_NO_NODE_GRAPH
#ifndef MA_MAX_NODE_BUS_COUNT
#define MA_MAX_NODE_BUS_COUNT 254
#endif
#ifndef MA_MAX_NODE_LOCAL_BUS_COUNT
#define MA_MAX_NODE_LOCAL_BUS_COUNT 2
#endif
#define MA_NODE_BUS_COUNT_UNKNOWN 255
typedef struct
{
size_t offset;
size_t sizeInBytes;
unsigned char _data[1];
} ma_stack;
typedef struct ma_node_graph ma_node_graph;
typedef void ma_node;
typedef enum
{
MA_NODE_FLAG_PASSTHROUGH = 0x00000001,
MA_NODE_FLAG_CONTINUOUS_PROCESSING = 0x00000002,
MA_NODE_FLAG_ALLOW_NULL_INPUT = 0x00000004,
MA_NODE_FLAG_DIFFERENT_PROCESSING_RATES = 0x00000008,
MA_NODE_FLAG_SILENT_OUTPUT = 0x00000010
} ma_node_flags;
typedef enum
{
ma_node_state_started = 0,
ma_node_state_stopped = 1
} ma_node_state;
typedef struct
{
void (* onProcess)(ma_node* pNode, const float** ppFramesIn, ma_uint32* pFrameCountIn, float** ppFramesOut, ma_uint32* pFrameCountOut);
ma_result (* onGetRequiredInputFrameCount)(ma_node* pNode, ma_uint32 outputFrameCount, ma_uint32* pInputFrameCount);
ma_uint8 inputBusCount;
ma_uint8 outputBusCount;
ma_uint32 flags;
} ma_node_vtable;
typedef struct
{
const ma_node_vtable* vtable;
ma_node_state initialState;
ma_uint32 inputBusCount;
ma_uint32 outputBusCount;
const ma_uint32* pInputChannels;
const ma_uint32* pOutputChannels;
} ma_node_config;
MA_API ma_node_config ma_node_config_init(void);
typedef struct ma_node_output_bus ma_node_output_bus;
struct ma_node_output_bus
{
ma_node* pNode;
ma_uint8 outputBusIndex;
ma_uint8 channels;
ma_uint8 inputNodeInputBusIndex;
MA_ATOMIC(4, ma_uint32) flags;
MA_ATOMIC(4, ma_uint32) refCount;
MA_ATOMIC(4, ma_bool32) isAttached;
MA_ATOMIC(4, ma_spinlock) lock;
MA_ATOMIC(4, float) volume;
MA_ATOMIC(MA_SIZEOF_PTR, ma_node_output_bus*) pNext;
MA_ATOMIC(MA_SIZEOF_PTR, ma_node_output_bus*) pPrev;
MA_ATOMIC(MA_SIZEOF_PTR, ma_node*) pInputNode;
};
typedef struct ma_node_input_bus ma_node_input_bus;
struct ma_node_input_bus
{
ma_node_output_bus head;
MA_ATOMIC(4, ma_uint32) nextCounter;
MA_ATOMIC(4, ma_spinlock) lock;
ma_uint8 channels;
};
typedef struct ma_node_base ma_node_base;
struct ma_node_base
{
ma_node_graph* pNodeGraph;
const ma_node_vtable* vtable;
ma_uint32 inputBusCount;
ma_uint32 outputBusCount;
ma_node_input_bus* pInputBuses;
ma_node_output_bus* pOutputBuses;
float* pCachedData;
ma_uint16 cachedDataCapInFramesPerBus;
ma_uint16 cachedFrameCountOut;
ma_uint16 cachedFrameCountIn;
ma_uint16 consumedFrameCountIn;
MA_ATOMIC(4, ma_node_state) state;
MA_ATOMIC(8, ma_uint64) stateTimes[2];
MA_ATOMIC(8, ma_uint64) localTime;
ma_node_input_bus _inputBuses[MA_MAX_NODE_LOCAL_BUS_COUNT];
ma_node_output_bus _outputBuses[MA_MAX_NODE_LOCAL_BUS_COUNT];
void* _pHeap;
ma_bool32 _ownsHeap;
};
MA_API ma_result ma_node_get_heap_size(ma_node_graph* pNodeGraph, const ma_node_config* pConfig, size_t* pHeapSizeInBytes);
MA_API ma_result ma_node_init_preallocated(ma_node_graph* pNodeGraph, const ma_node_config* pConfig, void* pHeap, ma_node* pNode);
MA_API ma_result ma_node_init(ma_node_graph* pNodeGraph, const ma_node_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_node* pNode);
MA_API void ma_node_uninit(ma_node* pNode, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_node_graph* ma_node_get_node_graph(const ma_node* pNode);
MA_API ma_uint32 ma_node_get_input_bus_count(const ma_node* pNode);
MA_API ma_uint32 ma_node_get_output_bus_count(const ma_node* pNode);
MA_API ma_uint32 ma_node_get_input_channels(const ma_node* pNode, ma_uint32 inputBusIndex);
MA_API ma_uint32 ma_node_get_output_channels(const ma_node* pNode, ma_uint32 outputBusIndex);
MA_API ma_result ma_node_attach_output_bus(ma_node* pNode, ma_uint32 outputBusIndex, ma_node* pOtherNode, ma_uint32 otherNodeInputBusIndex);
MA_API ma_result ma_node_detach_output_bus(ma_node* pNode, ma_uint32 outputBusIndex);
MA_API ma_result ma_node_detach_all_output_buses(ma_node* pNode);
MA_API ma_result ma_node_set_output_bus_volume(ma_node* pNode, ma_uint32 outputBusIndex, float volume);
MA_API float ma_node_get_output_bus_volume(const ma_node* pNode, ma_uint32 outputBusIndex);
MA_API ma_result ma_node_set_state(ma_node* pNode, ma_node_state state);
MA_API ma_node_state ma_node_get_state(const ma_node* pNode);
MA_API ma_result ma_node_set_state_time(ma_node* pNode, ma_node_state state, ma_uint64 globalTime);
MA_API ma_uint64 ma_node_get_state_time(const ma_node* pNode, ma_node_state state);
MA_API ma_node_state ma_node_get_state_by_time(const ma_node* pNode, ma_uint64 globalTime);
MA_API ma_node_state ma_node_get_state_by_time_range(const ma_node* pNode, ma_uint64 globalTimeBeg, ma_uint64 globalTimeEnd);
MA_API ma_uint64 ma_node_get_time(const ma_node* pNode);
MA_API ma_result ma_node_set_time(ma_node* pNode, ma_uint64 localTime);
typedef struct
{
ma_uint32 channels;
ma_uint32 processingSizeInFrames;
size_t preMixStackSizeInBytes;
} ma_node_graph_config;
MA_API ma_node_graph_config ma_node_graph_config_init(ma_uint32 channels);
struct ma_node_graph
{
ma_node_base base;
ma_node_base endpoint;
float* pProcessingCache;
ma_uint32 processingCacheFramesRemaining;
ma_uint32 processingSizeInFrames;
MA_ATOMIC(4, ma_bool32) isReading;
ma_stack* pPreMixStack;
};
MA_API ma_result ma_node_graph_init(const ma_node_graph_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_node_graph* pNodeGraph);
MA_API void ma_node_graph_uninit(ma_node_graph* pNodeGraph, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_node* ma_node_graph_get_endpoint(ma_node_graph* pNodeGraph);
MA_API ma_result ma_node_graph_read_pcm_frames(ma_node_graph* pNodeGraph, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead);
MA_API ma_uint32 ma_node_graph_get_channels(const ma_node_graph* pNodeGraph);
MA_API ma_uint64 ma_node_graph_get_time(const ma_node_graph* pNodeGraph);
MA_API ma_result ma_node_graph_set_time(ma_node_graph* pNodeGraph, ma_uint64 globalTime);
MA_API ma_uint32 ma_node_graph_get_processing_size_in_frames(const ma_node_graph* pNodeGraph);
typedef struct
{
ma_node_config nodeConfig;
ma_data_source* pDataSource;
} ma_data_source_node_config;
MA_API ma_data_source_node_config ma_data_source_node_config_init(ma_data_source* pDataSource);
typedef struct
{
ma_node_base base;
ma_data_source* pDataSource;
} ma_data_source_node;
MA_API ma_result ma_data_source_node_init(ma_node_graph* pNodeGraph, const ma_data_source_node_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_data_source_node* pDataSourceNode);
MA_API void ma_data_source_node_uninit(ma_data_source_node* pDataSourceNode, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_result ma_data_source_node_set_looping(ma_data_source_node* pDataSourceNode, ma_bool32 isLooping);
MA_API ma_bool32 ma_data_source_node_is_looping(ma_data_source_node* pDataSourceNode);
typedef struct
{
ma_node_config nodeConfig;
ma_uint32 channels;
ma_uint32 outputBusCount;
} ma_splitter_node_config;
MA_API ma_splitter_node_config ma_splitter_node_config_init(ma_uint32 channels);
typedef struct
{
ma_node_base base;
} ma_splitter_node;
MA_API ma_result ma_splitter_node_init(ma_node_graph* pNodeGraph, const ma_splitter_node_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_splitter_node* pSplitterNode);
MA_API void ma_splitter_node_uninit(ma_splitter_node* pSplitterNode, const ma_allocation_callbacks* pAllocationCallbacks);
typedef struct
{
ma_node_config nodeConfig;
ma_biquad_config biquad;
} ma_biquad_node_config;
MA_API ma_biquad_node_config ma_biquad_node_config_init(ma_uint32 channels, float b0, float b1, float b2, float a0, float a1, float a2);
typedef struct
{
ma_node_base baseNode;
ma_biquad biquad;
} ma_biquad_node;
MA_API ma_result ma_biquad_node_init(ma_node_graph* pNodeGraph, const ma_biquad_node_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_biquad_node* pNode);
MA_API ma_result ma_biquad_node_reinit(const ma_biquad_config* pConfig, ma_biquad_node* pNode);
MA_API void ma_biquad_node_uninit(ma_biquad_node* pNode, const ma_allocation_callbacks* pAllocationCallbacks);
typedef struct
{
ma_node_config nodeConfig;
ma_lpf_config lpf;
} ma_lpf_node_config;
MA_API ma_lpf_node_config ma_lpf_node_config_init(ma_uint32 channels, ma_uint32 sampleRate, double cutoffFrequency, ma_uint32 order);
typedef struct
{
ma_node_base baseNode;
ma_lpf lpf;
} ma_lpf_node;
MA_API ma_result ma_lpf_node_init(ma_node_graph* pNodeGraph, const ma_lpf_node_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_lpf_node* pNode);
MA_API ma_result ma_lpf_node_reinit(const ma_lpf_config* pConfig, ma_lpf_node* pNode);
MA_API void ma_lpf_node_uninit(ma_lpf_node* pNode, const ma_allocation_callbacks* pAllocationCallbacks);
typedef struct
{
ma_node_config nodeConfig;
ma_hpf_config hpf;
} ma_hpf_node_config;
MA_API ma_hpf_node_config ma_hpf_node_config_init(ma_uint32 channels, ma_uint32 sampleRate, double cutoffFrequency, ma_uint32 order);
typedef struct
{
ma_node_base baseNode;
ma_hpf hpf;
} ma_hpf_node;
MA_API ma_result ma_hpf_node_init(ma_node_graph* pNodeGraph, const ma_hpf_node_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_hpf_node* pNode);
MA_API ma_result ma_hpf_node_reinit(const ma_hpf_config* pConfig, ma_hpf_node* pNode);
MA_API void ma_hpf_node_uninit(ma_hpf_node* pNode, const ma_allocation_callbacks* pAllocationCallbacks);
typedef struct
{
ma_node_config nodeConfig;
ma_bpf_config bpf;
} ma_bpf_node_config;
MA_API ma_bpf_node_config ma_bpf_node_config_init(ma_uint32 channels, ma_uint32 sampleRate, double cutoffFrequency, ma_uint32 order);
typedef struct
{
ma_node_base baseNode;
ma_bpf bpf;
} ma_bpf_node;
MA_API ma_result ma_bpf_node_init(ma_node_graph* pNodeGraph, const ma_bpf_node_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_bpf_node* pNode);
MA_API ma_result ma_bpf_node_reinit(const ma_bpf_config* pConfig, ma_bpf_node* pNode);
MA_API void ma_bpf_node_uninit(ma_bpf_node* pNode, const ma_allocation_callbacks* pAllocationCallbacks);
typedef struct
{
ma_node_config nodeConfig;
ma_notch_config notch;
} ma_notch_node_config;
MA_API ma_notch_node_config ma_notch_node_config_init(ma_uint32 channels, ma_uint32 sampleRate, double q, double frequency);
typedef struct
{
ma_node_base baseNode;
ma_notch2 notch;
} ma_notch_node;
MA_API ma_result ma_notch_node_init(ma_node_graph* pNodeGraph, const ma_notch_node_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_notch_node* pNode);
MA_API ma_result ma_notch_node_reinit(const ma_notch_config* pConfig, ma_notch_node* pNode);
MA_API void ma_notch_node_uninit(ma_notch_node* pNode, const ma_allocation_callbacks* pAllocationCallbacks);
typedef struct
{
ma_node_config nodeConfig;
ma_peak_config peak;
} ma_peak_node_config;
MA_API ma_peak_node_config ma_peak_node_config_init(ma_uint32 channels, ma_uint32 sampleRate, double gainDB, double q, double frequency);
typedef struct
{
ma_node_base baseNode;
ma_peak2 peak;
} ma_peak_node;
MA_API ma_result ma_peak_node_init(ma_node_graph* pNodeGraph, const ma_peak_node_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_peak_node* pNode);
MA_API ma_result ma_peak_node_reinit(const ma_peak_config* pConfig, ma_peak_node* pNode);
MA_API void ma_peak_node_uninit(ma_peak_node* pNode, const ma_allocation_callbacks* pAllocationCallbacks);
typedef struct
{
ma_node_config nodeConfig;
ma_loshelf_config loshelf;
} ma_loshelf_node_config;
MA_API ma_loshelf_node_config ma_loshelf_node_config_init(ma_uint32 channels, ma_uint32 sampleRate, double gainDB, double q, double frequency);
typedef struct
{
ma_node_base baseNode;
ma_loshelf2 loshelf;
} ma_loshelf_node;
MA_API ma_result ma_loshelf_node_init(ma_node_graph* pNodeGraph, const ma_loshelf_node_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_loshelf_node* pNode);
MA_API ma_result ma_loshelf_node_reinit(const ma_loshelf_config* pConfig, ma_loshelf_node* pNode);
MA_API void ma_loshelf_node_uninit(ma_loshelf_node* pNode, const ma_allocation_callbacks* pAllocationCallbacks);
typedef struct
{
ma_node_config nodeConfig;
ma_hishelf_config hishelf;
} ma_hishelf_node_config;
MA_API ma_hishelf_node_config ma_hishelf_node_config_init(ma_uint32 channels, ma_uint32 sampleRate, double gainDB, double q, double frequency);
typedef struct
{
ma_node_base baseNode;
ma_hishelf2 hishelf;
} ma_hishelf_node;
MA_API ma_result ma_hishelf_node_init(ma_node_graph* pNodeGraph, const ma_hishelf_node_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_hishelf_node* pNode);
MA_API ma_result ma_hishelf_node_reinit(const ma_hishelf_config* pConfig, ma_hishelf_node* pNode);
MA_API void ma_hishelf_node_uninit(ma_hishelf_node* pNode, const ma_allocation_callbacks* pAllocationCallbacks);
typedef struct
{
ma_node_config nodeConfig;
ma_delay_config delay;
} ma_delay_node_config;
MA_API ma_delay_node_config ma_delay_node_config_init(ma_uint32 channels, ma_uint32 sampleRate, ma_uint32 delayInFrames, float decay);
typedef struct
{
ma_node_base baseNode;
ma_delay delay;
} ma_delay_node;
MA_API ma_result ma_delay_node_init(ma_node_graph* pNodeGraph, const ma_delay_node_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_delay_node* pDelayNode);
MA_API void ma_delay_node_uninit(ma_delay_node* pDelayNode, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API void ma_delay_node_set_wet(ma_delay_node* pDelayNode, float value);
MA_API float ma_delay_node_get_wet(const ma_delay_node* pDelayNode);
MA_API void ma_delay_node_set_dry(ma_delay_node* pDelayNode, float value);
MA_API float ma_delay_node_get_dry(const ma_delay_node* pDelayNode);
MA_API void ma_delay_node_set_decay(ma_delay_node* pDelayNode, float value);
MA_API float ma_delay_node_get_decay(const ma_delay_node* pDelayNode);
#endif
#if !defined(MA_NO_ENGINE) && !defined(MA_NO_NODE_GRAPH)
typedef struct ma_engine ma_engine;
typedef struct ma_sound ma_sound;
typedef enum
{
MA_SOUND_FLAG_STREAM = 0x00000001,
MA_SOUND_FLAG_DECODE = 0x00000002,
MA_SOUND_FLAG_ASYNC = 0x00000004,
MA_SOUND_FLAG_WAIT_INIT = 0x00000008,
MA_SOUND_FLAG_UNKNOWN_LENGTH = 0x00000010,
MA_SOUND_FLAG_LOOPING = 0x00000020,
MA_SOUND_FLAG_NO_DEFAULT_ATTACHMENT = 0x00001000,
MA_SOUND_FLAG_NO_PITCH = 0x00002000,
MA_SOUND_FLAG_NO_SPATIALIZATION = 0x00004000
} ma_sound_flags;
#ifndef MA_ENGINE_MAX_LISTENERS
#define MA_ENGINE_MAX_LISTENERS 4
#endif
#define MA_LISTENER_INDEX_CLOSEST ((ma_uint8)-1)
typedef enum
{
ma_engine_node_type_sound,
ma_engine_node_type_group
} ma_engine_node_type;
typedef struct
{
ma_engine* pEngine;
ma_engine_node_type type;
ma_uint32 channelsIn;
ma_uint32 channelsOut;
ma_uint32 sampleRate;
ma_uint32 volumeSmoothTimeInPCMFrames;
ma_mono_expansion_mode monoExpansionMode;
ma_bool8 isPitchDisabled;
ma_bool8 isSpatializationDisabled;
ma_uint8 pinnedListenerIndex;
ma_resampler_config resampling;
} ma_engine_node_config;
MA_API ma_engine_node_config ma_engine_node_config_init(ma_engine* pEngine, ma_engine_node_type type, ma_uint32 flags);
typedef struct
{
ma_node_base baseNode;
ma_engine* pEngine;
ma_uint32 sampleRate;
ma_uint32 volumeSmoothTimeInPCMFrames;
ma_mono_expansion_mode monoExpansionMode;
ma_fader fader;
ma_resampler resampler;
ma_spatializer spatializer;
ma_panner panner;
ma_gainer volumeGainer;
ma_atomic_float volume;
MA_ATOMIC(4, float) pitch;
float oldPitch;
float oldDopplerPitch;
MA_ATOMIC(4, ma_bool32) isPitchDisabled;
MA_ATOMIC(4, ma_bool32) isSpatializationDisabled;
MA_ATOMIC(4, ma_uint32) pinnedListenerIndex;
struct
{
ma_atomic_float volumeBeg;
ma_atomic_float volumeEnd;
ma_atomic_uint64 fadeLengthInFrames;
ma_atomic_uint64 absoluteGlobalTimeInFrames;
} fadeSettings;
ma_bool8 _ownsHeap;
void* _pHeap;
} ma_engine_node;
MA_API ma_result ma_engine_node_get_heap_size(const ma_engine_node_config* pConfig, size_t* pHeapSizeInBytes);
MA_API ma_result ma_engine_node_init_preallocated(const ma_engine_node_config* pConfig, void* pHeap, ma_engine_node* pEngineNode);
MA_API ma_result ma_engine_node_init(const ma_engine_node_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_engine_node* pEngineNode);
MA_API void ma_engine_node_uninit(ma_engine_node* pEngineNode, const ma_allocation_callbacks* pAllocationCallbacks);
#define MA_SOUND_SOURCE_CHANNEL_COUNT 0xFFFFFFFF
typedef void (* ma_sound_end_proc)(void* pUserData, ma_sound* pSound);
typedef struct
{
const char* pFilePath;
const wchar_t* pFilePathW;
ma_data_source* pDataSource;
ma_node* pInitialAttachment;
ma_uint32 initialAttachmentInputBusIndex;
ma_uint32 channelsIn;
ma_uint32 channelsOut;
ma_mono_expansion_mode monoExpansionMode;
ma_uint32 flags;
ma_uint32 volumeSmoothTimeInPCMFrames;
ma_uint64 initialSeekPointInPCMFrames;
ma_uint64 rangeBegInPCMFrames;
ma_uint64 rangeEndInPCMFrames;
ma_uint64 loopPointBegInPCMFrames;
ma_uint64 loopPointEndInPCMFrames;
ma_sound_end_proc endCallback;
void* pEndCallbackUserData;
ma_resampler_config pitchResampling;
#ifndef MA_NO_RESOURCE_MANAGER
ma_resource_manager_pipeline_notifications initNotifications;
#endif
ma_fence* pDoneFence;
ma_bool32 isLooping;
} ma_sound_config;
MA_API ma_sound_config ma_sound_config_init(void);
MA_API ma_sound_config ma_sound_config_init_2(ma_engine* pEngine);
struct ma_sound
{
ma_engine_node engineNode;
ma_data_source* pDataSource;
MA_ATOMIC(8, ma_uint64) seekTarget;
MA_ATOMIC(4, ma_bool32) atEnd;
ma_sound_end_proc endCallback;
void* pEndCallbackUserData;
float* pProcessingCache;
ma_uint32 processingCacheFramesRemaining;
ma_uint32 processingCacheCap;
ma_bool8 ownsDataSource;
#ifndef MA_NO_RESOURCE_MANAGER
ma_resource_manager_data_source* pResourceManagerDataSource;
#endif
};
typedef struct ma_sound_inlined ma_sound_inlined;
struct ma_sound_inlined
{
ma_sound sound;
ma_sound_inlined* pNext;
ma_sound_inlined* pPrev;
};
typedef ma_sound_config ma_sound_group_config;
typedef ma_sound ma_sound_group;
MA_API ma_sound_group_config ma_sound_group_config_init(void);
MA_API ma_sound_group_config ma_sound_group_config_init_2(ma_engine* pEngine);
typedef void (* ma_engine_process_proc)(void* pUserData, float* pFramesOut, ma_uint64 frameCount);
typedef struct
{
#if !defined(MA_NO_RESOURCE_MANAGER)
ma_resource_manager* pResourceManager;
#endif
#if !defined(MA_NO_DEVICE_IO)
ma_context* pContext;
ma_device* pDevice;
ma_device_id* pPlaybackDeviceID;
ma_device_data_proc dataCallback;
ma_device_notification_proc notificationCallback;
#endif
ma_log* pLog;
ma_uint32 listenerCount;
ma_uint32 channels;
ma_uint32 sampleRate;
ma_uint32 periodSizeInFrames;
ma_uint32 periodSizeInMilliseconds;
ma_uint32 gainSmoothTimeInFrames;
ma_uint32 gainSmoothTimeInMilliseconds;
ma_uint32 defaultVolumeSmoothTimeInPCMFrames;
ma_uint32 preMixStackSizeInBytes;
ma_allocation_callbacks allocationCallbacks;
ma_bool32 noAutoStart;
ma_bool32 noDevice;
ma_mono_expansion_mode monoExpansionMode;
ma_vfs* pResourceManagerVFS;
ma_engine_process_proc onProcess;
void* pProcessUserData;
ma_resampler_config resourceManagerResampling;
ma_resampler_config pitchResampling;
} ma_engine_config;
MA_API ma_engine_config ma_engine_config_init(void);
struct ma_engine
{
ma_node_graph nodeGraph;
#if !defined(MA_NO_RESOURCE_MANAGER)
ma_resource_manager* pResourceManager;
#endif
#if !defined(MA_NO_DEVICE_IO)
ma_device* pDevice;
#endif
ma_log* pLog;
ma_uint32 sampleRate;
ma_uint32 listenerCount;
ma_spatializer_listener listeners[MA_ENGINE_MAX_LISTENERS];
ma_allocation_callbacks allocationCallbacks;
ma_bool8 ownsResourceManager;
ma_bool8 ownsDevice;
ma_spinlock inlinedSoundLock;
ma_sound_inlined* pInlinedSoundHead;
MA_ATOMIC(4, ma_uint32) inlinedSoundCount;
ma_uint32 gainSmoothTimeInFrames;
ma_uint32 defaultVolumeSmoothTimeInPCMFrames;
ma_mono_expansion_mode monoExpansionMode;
ma_engine_process_proc onProcess;
void* pProcessUserData;
ma_resampler_config pitchResamplingConfig;
};
MA_API ma_result ma_engine_init(const ma_engine_config* pConfig, ma_engine* pEngine);
MA_API void ma_engine_uninit(ma_engine* pEngine);
MA_API ma_result ma_engine_read_pcm_frames(ma_engine* pEngine, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead);
MA_API ma_node_graph* ma_engine_get_node_graph(ma_engine* pEngine);
#if !defined(MA_NO_RESOURCE_MANAGER)
MA_API ma_resource_manager* ma_engine_get_resource_manager(ma_engine* pEngine);
#endif
MA_API ma_device* ma_engine_get_device(ma_engine* pEngine);
MA_API ma_log* ma_engine_get_log(ma_engine* pEngine);
MA_API ma_node* ma_engine_get_endpoint(ma_engine* pEngine);
MA_API ma_uint64 ma_engine_get_time_in_pcm_frames(const ma_engine* pEngine);
MA_API ma_uint64 ma_engine_get_time_in_milliseconds(const ma_engine* pEngine);
MA_API ma_result ma_engine_set_time_in_pcm_frames(ma_engine* pEngine, ma_uint64 globalTime);
MA_API ma_result ma_engine_set_time_in_milliseconds(ma_engine* pEngine, ma_uint64 globalTime);
MA_API ma_uint64 ma_engine_get_time(const ma_engine* pEngine);
MA_API ma_result ma_engine_set_time(ma_engine* pEngine, ma_uint64 globalTime);
MA_API ma_uint32 ma_engine_get_channels(const ma_engine* pEngine);
MA_API ma_uint32 ma_engine_get_sample_rate(const ma_engine* pEngine);
MA_API ma_result ma_engine_start(ma_engine* pEngine);
MA_API ma_result ma_engine_stop(ma_engine* pEngine);
MA_API ma_result ma_engine_set_volume(ma_engine* pEngine, float volume);
MA_API float ma_engine_get_volume(ma_engine* pEngine);
MA_API ma_result ma_engine_set_gain_db(ma_engine* pEngine, float gainDB);
MA_API float ma_engine_get_gain_db(ma_engine* pEngine);
MA_API ma_uint32 ma_engine_get_listener_count(const ma_engine* pEngine);
MA_API ma_uint32 ma_engine_find_closest_listener(const ma_engine* pEngine, float absolutePosX, float absolutePosY, float absolutePosZ);
MA_API void ma_engine_listener_set_position(ma_engine* pEngine, ma_uint32 listenerIndex, float x, float y, float z);
MA_API ma_vec3f ma_engine_listener_get_position(const ma_engine* pEngine, ma_uint32 listenerIndex);
MA_API void ma_engine_listener_set_direction(ma_engine* pEngine, ma_uint32 listenerIndex, float x, float y, float z);
MA_API ma_vec3f ma_engine_listener_get_direction(const ma_engine* pEngine, ma_uint32 listenerIndex);
MA_API void ma_engine_listener_set_velocity(ma_engine* pEngine, ma_uint32 listenerIndex, float x, float y, float z);
MA_API ma_vec3f ma_engine_listener_get_velocity(const ma_engine* pEngine, ma_uint32 listenerIndex);
MA_API void ma_engine_listener_set_cone(ma_engine* pEngine, ma_uint32 listenerIndex, float innerAngleInRadians, float outerAngleInRadians, float outerGain);
MA_API void ma_engine_listener_get_cone(const ma_engine* pEngine, ma_uint32 listenerIndex, float* pInnerAngleInRadians, float* pOuterAngleInRadians, float* pOuterGain);
MA_API void ma_engine_listener_set_world_up(ma_engine* pEngine, ma_uint32 listenerIndex, float x, float y, float z);
MA_API ma_vec3f ma_engine_listener_get_world_up(const ma_engine* pEngine, ma_uint32 listenerIndex);
MA_API void ma_engine_listener_set_enabled(ma_engine* pEngine, ma_uint32 listenerIndex, ma_bool32 isEnabled);
MA_API ma_bool32 ma_engine_listener_is_enabled(const ma_engine* pEngine, ma_uint32 listenerIndex);
#ifndef MA_NO_RESOURCE_MANAGER
MA_API ma_result ma_engine_play_sound_ex(ma_engine* pEngine, const char* pFilePath, ma_node* pNode, ma_uint32 nodeInputBusIndex);
MA_API ma_result ma_engine_play_sound(ma_engine* pEngine, const char* pFilePath, ma_sound_group* pGroup);
#endif
#ifndef MA_NO_RESOURCE_MANAGER
MA_API ma_result ma_sound_init_from_file(ma_engine* pEngine, const char* pFilePath, ma_uint32 flags, ma_sound_group* pGroup, ma_fence* pDoneFence, ma_sound* pSound);
MA_API ma_result ma_sound_init_from_file_w(ma_engine* pEngine, const wchar_t* pFilePath, ma_uint32 flags, ma_sound_group* pGroup, ma_fence* pDoneFence, ma_sound* pSound);
MA_API ma_result ma_sound_init_copy(ma_engine* pEngine, const ma_sound* pExistingSound, ma_uint32 flags, ma_sound_group* pGroup, ma_sound* pSound);
#endif
MA_API ma_result ma_sound_init_from_data_source(ma_engine* pEngine, ma_data_source* pDataSource, ma_uint32 flags, ma_sound_group* pGroup, ma_sound* pSound);
MA_API ma_result ma_sound_init_ex(ma_engine* pEngine, const ma_sound_config* pConfig, ma_sound* pSound);
MA_API void ma_sound_uninit(ma_sound* pSound);
MA_API ma_engine* ma_sound_get_engine(const ma_sound* pSound);
MA_API ma_data_source* ma_sound_get_data_source(const ma_sound* pSound);
MA_API ma_result ma_sound_start(ma_sound* pSound);
MA_API ma_result ma_sound_stop(ma_sound* pSound);
MA_API ma_result ma_sound_stop_with_fade_in_pcm_frames(ma_sound* pSound, ma_uint64 fadeLengthInFrames);
MA_API ma_result ma_sound_stop_with_fade_in_milliseconds(ma_sound* pSound, ma_uint64 fadeLengthInFrames);
MA_API void ma_sound_reset_start_time(ma_sound* pSound);
MA_API void ma_sound_reset_stop_time(ma_sound* pSound);
MA_API void ma_sound_reset_fade(ma_sound* pSound);
MA_API void ma_sound_reset_stop_time_and_fade(ma_sound* pSound);
MA_API void ma_sound_set_volume(ma_sound* pSound, float volume);
MA_API float ma_sound_get_volume(const ma_sound* pSound);
MA_API void ma_sound_set_pan(ma_sound* pSound, float pan);
MA_API float ma_sound_get_pan(const ma_sound* pSound);
MA_API void ma_sound_set_pan_mode(ma_sound* pSound, ma_pan_mode panMode);
MA_API ma_pan_mode ma_sound_get_pan_mode(const ma_sound* pSound);
MA_API void ma_sound_set_pitch(ma_sound* pSound, float pitch);
MA_API float ma_sound_get_pitch(const ma_sound* pSound);
MA_API void ma_sound_set_spatialization_enabled(ma_sound* pSound, ma_bool32 enabled);
MA_API ma_bool32 ma_sound_is_spatialization_enabled(const ma_sound* pSound);
MA_API void ma_sound_set_pinned_listener_index(ma_sound* pSound, ma_uint32 listenerIndex);
MA_API ma_uint32 ma_sound_get_pinned_listener_index(const ma_sound* pSound);
MA_API ma_uint32 ma_sound_get_listener_index(const ma_sound* pSound);
MA_API ma_vec3f ma_sound_get_direction_to_listener(const ma_sound* pSound);
MA_API void ma_sound_set_position(ma_sound* pSound, float x, float y, float z);
MA_API ma_vec3f ma_sound_get_position(const ma_sound* pSound);
MA_API void ma_sound_set_direction(ma_sound* pSound, float x, float y, float z);
MA_API ma_vec3f ma_sound_get_direction(const ma_sound* pSound);
MA_API void ma_sound_set_velocity(ma_sound* pSound, float x, float y, float z);
MA_API ma_vec3f ma_sound_get_velocity(const ma_sound* pSound);
MA_API void ma_sound_set_attenuation_model(ma_sound* pSound, ma_attenuation_model attenuationModel);
MA_API ma_attenuation_model ma_sound_get_attenuation_model(const ma_sound* pSound);
MA_API void ma_sound_set_positioning(ma_sound* pSound, ma_positioning positioning);
MA_API ma_positioning ma_sound_get_positioning(const ma_sound* pSound);
MA_API void ma_sound_set_rolloff(ma_sound* pSound, float rolloff);
MA_API float ma_sound_get_rolloff(const ma_sound* pSound);
MA_API void ma_sound_set_min_gain(ma_sound* pSound, float minGain);
MA_API float ma_sound_get_min_gain(const ma_sound* pSound);
MA_API void ma_sound_set_max_gain(ma_sound* pSound, float maxGain);
MA_API float ma_sound_get_max_gain(const ma_sound* pSound);
MA_API void ma_sound_set_min_distance(ma_sound* pSound, float minDistance);
MA_API float ma_sound_get_min_distance(const ma_sound* pSound);
MA_API void ma_sound_set_max_distance(ma_sound* pSound, float maxDistance);
MA_API float ma_sound_get_max_distance(const ma_sound* pSound);
MA_API void ma_sound_set_cone(ma_sound* pSound, float innerAngleInRadians, float outerAngleInRadians, float outerGain);
MA_API void ma_sound_get_cone(const ma_sound* pSound, float* pInnerAngleInRadians, float* pOuterAngleInRadians, float* pOuterGain);
MA_API void ma_sound_set_doppler_factor(ma_sound* pSound, float dopplerFactor);
MA_API float ma_sound_get_doppler_factor(const ma_sound* pSound);
MA_API void ma_sound_set_directional_attenuation_factor(ma_sound* pSound, float directionalAttenuationFactor);
MA_API float ma_sound_get_directional_attenuation_factor(const ma_sound* pSound);
MA_API void ma_sound_set_fade_in_pcm_frames(ma_sound* pSound, float volumeBeg, float volumeEnd, ma_uint64 fadeLengthInFrames);
MA_API void ma_sound_set_fade_in_milliseconds(ma_sound* pSound, float volumeBeg, float volumeEnd, ma_uint64 fadeLengthInMilliseconds);
MA_API void ma_sound_set_fade_start_in_pcm_frames(ma_sound* pSound, float volumeBeg, float volumeEnd, ma_uint64 fadeLengthInFrames, ma_uint64 absoluteGlobalTimeInFrames);
MA_API void ma_sound_set_fade_start_in_milliseconds(ma_sound* pSound, float volumeBeg, float volumeEnd, ma_uint64 fadeLengthInMilliseconds, ma_uint64 absoluteGlobalTimeInMilliseconds);
MA_API float ma_sound_get_current_fade_volume(const ma_sound* pSound);
MA_API void ma_sound_set_start_time_in_pcm_frames(ma_sound* pSound, ma_uint64 absoluteGlobalTimeInFrames);
MA_API void ma_sound_set_start_time_in_milliseconds(ma_sound* pSound, ma_uint64 absoluteGlobalTimeInMilliseconds);
MA_API void ma_sound_set_stop_time_in_pcm_frames(ma_sound* pSound, ma_uint64 absoluteGlobalTimeInFrames);
MA_API void ma_sound_set_stop_time_in_milliseconds(ma_sound* pSound, ma_uint64 absoluteGlobalTimeInMilliseconds);
MA_API void ma_sound_set_stop_time_with_fade_in_pcm_frames(ma_sound* pSound, ma_uint64 stopAbsoluteGlobalTimeInFrames, ma_uint64 fadeLengthInFrames);
MA_API void ma_sound_set_stop_time_with_fade_in_milliseconds(ma_sound* pSound, ma_uint64 stopAbsoluteGlobalTimeInMilliseconds, ma_uint64 fadeLengthInMilliseconds);
MA_API ma_bool32 ma_sound_is_playing(const ma_sound* pSound);
MA_API ma_uint64 ma_sound_get_time_in_pcm_frames(const ma_sound* pSound);
MA_API ma_uint64 ma_sound_get_time_in_milliseconds(const ma_sound* pSound);
MA_API void ma_sound_set_looping(ma_sound* pSound, ma_bool32 isLooping);
MA_API ma_bool32 ma_sound_is_looping(const ma_sound* pSound);
MA_API ma_bool32 ma_sound_at_end(const ma_sound* pSound);
MA_API ma_result ma_sound_seek_to_pcm_frame(ma_sound* pSound, ma_uint64 frameIndex);
MA_API ma_result ma_sound_seek_to_second(ma_sound* pSound, float seekPointInSeconds);
MA_API ma_result ma_sound_get_data_format(const ma_sound* pSound, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap);
MA_API ma_result ma_sound_get_cursor_in_pcm_frames(const ma_sound* pSound, ma_uint64* pCursor);
MA_API ma_result ma_sound_get_length_in_pcm_frames(const ma_sound* pSound, ma_uint64* pLength);
MA_API ma_result ma_sound_get_cursor_in_seconds(const ma_sound* pSound, float* pCursor);
MA_API ma_result ma_sound_get_length_in_seconds(const ma_sound* pSound, float* pLength);
MA_API ma_result ma_sound_set_end_callback(ma_sound* pSound, ma_sound_end_proc callback, void* pUserData);
MA_API ma_result ma_sound_group_init(ma_engine* pEngine, ma_uint32 flags, ma_sound_group* pParentGroup, ma_sound_group* pGroup);
MA_API ma_result ma_sound_group_init_ex(ma_engine* pEngine, const ma_sound_group_config* pConfig, ma_sound_group* pGroup);
MA_API void ma_sound_group_uninit(ma_sound_group* pGroup);
MA_API ma_engine* ma_sound_group_get_engine(const ma_sound_group* pGroup);
MA_API ma_result ma_sound_group_start(ma_sound_group* pGroup);
MA_API ma_result ma_sound_group_stop(ma_sound_group* pGroup);
MA_API void ma_sound_group_set_volume(ma_sound_group* pGroup, float volume);
MA_API float ma_sound_group_get_volume(const ma_sound_group* pGroup);
MA_API void ma_sound_group_set_pan(ma_sound_group* pGroup, float pan);
MA_API float ma_sound_group_get_pan(const ma_sound_group* pGroup);
MA_API void ma_sound_group_set_pan_mode(ma_sound_group* pGroup, ma_pan_mode panMode);
MA_API ma_pan_mode ma_sound_group_get_pan_mode(const ma_sound_group* pGroup);
MA_API void ma_sound_group_set_pitch(ma_sound_group* pGroup, float pitch);
MA_API float ma_sound_group_get_pitch(const ma_sound_group* pGroup);
MA_API void ma_sound_group_set_spatialization_enabled(ma_sound_group* pGroup, ma_bool32 enabled);
MA_API ma_bool32 ma_sound_group_is_spatialization_enabled(const ma_sound_group* pGroup);
MA_API void ma_sound_group_set_pinned_listener_index(ma_sound_group* pGroup, ma_uint32 listenerIndex);
MA_API ma_uint32 ma_sound_group_get_pinned_listener_index(const ma_sound_group* pGroup);
MA_API ma_uint32 ma_sound_group_get_listener_index(const ma_sound_group* pGroup);
MA_API ma_vec3f ma_sound_group_get_direction_to_listener(const ma_sound_group* pGroup);
MA_API void ma_sound_group_set_position(ma_sound_group* pGroup, float x, float y, float z);
MA_API ma_vec3f ma_sound_group_get_position(const ma_sound_group* pGroup);
MA_API void ma_sound_group_set_direction(ma_sound_group* pGroup, float x, float y, float z);
MA_API ma_vec3f ma_sound_group_get_direction(const ma_sound_group* pGroup);
MA_API void ma_sound_group_set_velocity(ma_sound_group* pGroup, float x, float y, float z);
MA_API ma_vec3f ma_sound_group_get_velocity(const ma_sound_group* pGroup);
MA_API void ma_sound_group_set_attenuation_model(ma_sound_group* pGroup, ma_attenuation_model attenuationModel);
MA_API ma_attenuation_model ma_sound_group_get_attenuation_model(const ma_sound_group* pGroup);
MA_API void ma_sound_group_set_positioning(ma_sound_group* pGroup, ma_positioning positioning);
MA_API ma_positioning ma_sound_group_get_positioning(const ma_sound_group* pGroup);
MA_API void ma_sound_group_set_rolloff(ma_sound_group* pGroup, float rolloff);
MA_API float ma_sound_group_get_rolloff(const ma_sound_group* pGroup);
MA_API void ma_sound_group_set_min_gain(ma_sound_group* pGroup, float minGain);
MA_API float ma_sound_group_get_min_gain(const ma_sound_group* pGroup);
MA_API void ma_sound_group_set_max_gain(ma_sound_group* pGroup, float maxGain);
MA_API float ma_sound_group_get_max_gain(const ma_sound_group* pGroup);
MA_API void ma_sound_group_set_min_distance(ma_sound_group* pGroup, float minDistance);
MA_API float ma_sound_group_get_min_distance(const ma_sound_group* pGroup);
MA_API void ma_sound_group_set_max_distance(ma_sound_group* pGroup, float maxDistance);
MA_API float ma_sound_group_get_max_distance(const ma_sound_group* pGroup);
MA_API void ma_sound_group_set_cone(ma_sound_group* pGroup, float innerAngleInRadians, float outerAngleInRadians, float outerGain);
MA_API void ma_sound_group_get_cone(const ma_sound_group* pGroup, float* pInnerAngleInRadians, float* pOuterAngleInRadians, float* pOuterGain);
MA_API void ma_sound_group_set_doppler_factor(ma_sound_group* pGroup, float dopplerFactor);
MA_API float ma_sound_group_get_doppler_factor(const ma_sound_group* pGroup);
MA_API void ma_sound_group_set_directional_attenuation_factor(ma_sound_group* pGroup, float directionalAttenuationFactor);
MA_API float ma_sound_group_get_directional_attenuation_factor(const ma_sound_group* pGroup);
MA_API void ma_sound_group_set_fade_in_pcm_frames(ma_sound_group* pGroup, float volumeBeg, float volumeEnd, ma_uint64 fadeLengthInFrames);
MA_API void ma_sound_group_set_fade_in_milliseconds(ma_sound_group* pGroup, float volumeBeg, float volumeEnd, ma_uint64 fadeLengthInMilliseconds);
MA_API float ma_sound_group_get_current_fade_volume(ma_sound_group* pGroup);
MA_API void ma_sound_group_set_start_time_in_pcm_frames(ma_sound_group* pGroup, ma_uint64 absoluteGlobalTimeInFrames);
MA_API void ma_sound_group_set_start_time_in_milliseconds(ma_sound_group* pGroup, ma_uint64 absoluteGlobalTimeInMilliseconds);
MA_API void ma_sound_group_set_stop_time_in_pcm_frames(ma_sound_group* pGroup, ma_uint64 absoluteGlobalTimeInFrames);
MA_API void ma_sound_group_set_stop_time_in_milliseconds(ma_sound_group* pGroup, ma_uint64 absoluteGlobalTimeInMilliseconds);
MA_API ma_bool32 ma_sound_group_is_playing(const ma_sound_group* pGroup);
MA_API ma_uint64 ma_sound_group_get_time_in_pcm_frames(const ma_sound_group* pGroup);
#endif
#ifdef __cplusplus
}
#endif
#endif
#if defined(Q_CREATOR_RUN) || defined(__INTELLISENSE__) || defined(__CDT_PARSER__)
#define MINIAUDIO_IMPLEMENTATION
#endif
#if defined(MINIAUDIO_IMPLEMENTATION) || defined(MA_IMPLEMENTATION)
#ifndef miniaudio_c
#define miniaudio_c
#include <assert.h>
#include <limits.h>
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <stdio.h>
#if !defined(_MSC_VER) && !defined(__DMC__)
//#include <strings.h>
// For some reason strcasecmp wasn't available in my compiler
// https://stackoverflow.com/questions/31127260/strcasecmp-a-non-standard-function
int strcasecmp(const char *a, const char *b) {
int ca, cb;
do {
ca = * (unsigned char *)a;
cb = * (unsigned char *)b;
ca = tolower(toupper(ca));
cb = tolower(toupper(cb));
a++;
b++;
} while (ca == cb && ca != '\0');
return ca - cb;
}
#include <wchar.h>
#endif
#ifdef _MSC_VER
#include <float.h>
#endif
#if defined(MA_WIN32)
#include <windows.h>
#ifndef STGM_READ
#define STGM_READ 0x00000000L
#endif
#ifndef CLSCTX_ALL
#define CLSCTX_ALL 23
#endif
typedef struct ma_IUnknown ma_IUnknown;
#endif
#if !defined(MA_WIN32)
#if !defined(MA_NO_THREADING)
#include <sched.h>
#include <pthread.h>
#endif
#include <sys/time.h>
#include <time.h>
#include <unistd.h>
#endif
#if defined(MA_XBOX_NXDK)
#include <stat.h>
#else
#include <sys/stat.h>
#endif
#ifdef MA_EMSCRIPTEN
#include <emscripten/emscripten.h>
#endif
#if !defined(MA_64BIT) && !defined(MA_32BIT)
#ifdef _WIN32
#ifdef _WIN64
#define MA_64BIT
#else
#define MA_32BIT
#endif
#endif
#endif
#if !defined(MA_64BIT) && !defined(MA_32BIT)
#ifdef __GNUC__
#ifdef __LP64__
#define MA_64BIT
#else
#define MA_32BIT
#endif
#endif
#endif
#if !defined(MA_64BIT) && !defined(MA_32BIT)
#include <stdint.h>
#if INTPTR_MAX == INT64_MAX
#define MA_64BIT
#else
#define MA_32BIT
#endif
#endif
#if defined(__arm__) || defined(_M_ARM)
#define MA_ARM32
#endif
#if defined(__arm64) || defined(__arm64__) || defined(__aarch64__) || defined(_M_ARM64)
#define MA_ARM64
#endif
#if defined(__x86_64__) || defined(_M_X64)
#define MA_X64
#elif defined(__i386) || defined(_M_IX86)
#define MA_X86
#elif defined(MA_ARM32) || defined(MA_ARM64)
#define MA_ARM
#endif
#if defined(MA_X64) || defined(MA_X86)
#if defined(_MSC_VER) && !defined(__clang__)
#if _MSC_VER >= 1400 && !defined(MA_NO_SSE2)
#define MA_SUPPORT_SSE2
#endif
#if _MSC_VER >= 1700 && !defined(MA_NO_AVX2)
#define MA_SUPPORT_AVX2
#endif
#else
#if defined(__SSE2__) && !defined(MA_NO_SSE2)
#define MA_SUPPORT_SSE2
#endif
#if defined(__AVX2__) && !defined(MA_NO_AVX2)
#define MA_SUPPORT_AVX2
#endif
#endif
#if !defined(__GNUC__) && !defined(__clang__) && defined(__has_include)
#if !defined(MA_SUPPORT_SSE2) && !defined(MA_NO_SSE2) && __has_include(<emmintrin.h>)
#define MA_SUPPORT_SSE2
#endif
#if !defined(MA_SUPPORT_AVX2) && !defined(MA_NO_AVX2) && __has_include(<immintrin.h>)
#define MA_SUPPORT_AVX2
#endif
#endif
#if defined(MA_SUPPORT_AVX2) || defined(MA_SUPPORT_AVX)
#include <immintrin.h>
#elif defined(MA_SUPPORT_SSE2)
#include <emmintrin.h>
#endif
#endif
#if defined(MA_ARM)
#if !defined(MA_NO_NEON) && (defined(__ARM_NEON) || defined(__aarch64__) || defined(_M_ARM64))
#define MA_SUPPORT_NEON
#include <arm_neon.h>
#endif
#endif
#if defined(_MSC_VER)
#pragma warning(push)
#pragma warning(disable:4752)
#pragma warning(disable:4049)
#endif
#if defined(MA_X64) || defined(MA_X86)
#if defined(_MSC_VER) && !defined(__clang__)
#if _MSC_VER >= 1400
#include <intrin.h>
static MA_INLINE void ma_cpuid(int info[4], int fid)
{
__cpuid(info, fid);
}
#else
#define MA_NO_CPUID
#endif
#if _MSC_VER >= 1600 && (defined(_MSC_FULL_VER) && _MSC_FULL_VER >= 160040219)
static MA_INLINE unsigned long long ma_xgetbv(int reg)
{
return _xgetbv(reg);
}
#else
#define MA_NO_XGETBV
#endif
#elif (defined(__GNUC__) || defined(__clang__)) && !defined(MA_ANDROID)
static MA_INLINE void ma_cpuid(int info[4], int fid)
{
#if defined(MA_X86) && defined(__PIC__)
__asm__ __volatile__ (
"xchg{l} {%%}ebx, %k1;"
"cpuid;"
"xchg{l} {%%}ebx, %k1;"
: "=a"(info[0]), "=&r"(info[1]), "=c"(info[2]), "=d"(info[3]) : "a"(fid), "c"(0)
);
#else
__asm__ __volatile__ (
"cpuid" : "=a"(info[0]), "=b"(info[1]), "=c"(info[2]), "=d"(info[3]) : "a"(fid), "c"(0)
);
#endif
}
static MA_INLINE ma_uint64 ma_xgetbv(int reg)
{
unsigned int hi;
unsigned int lo;
__asm__ __volatile__ (
"xgetbv" : "=a"(lo), "=d"(hi) : "c"(reg)
);
return ((ma_uint64)hi << 32) | (ma_uint64)lo;
}
#else
#define MA_NO_CPUID
#define MA_NO_XGETBV
#endif
#else
#define MA_NO_CPUID
#define MA_NO_XGETBV
#endif
static MA_INLINE ma_bool32 ma_has_sse2(void)
{
#if defined(MA_SUPPORT_SSE2)
#if (defined(MA_X64) || defined(MA_X86)) && !defined(MA_NO_SSE2)
#if defined(MA_X64)
return MA_TRUE;
#elif (defined(_M_IX86_FP) && _M_IX86_FP == 2) || defined(__SSE2__)
return MA_TRUE;
#else
#if defined(MA_NO_CPUID)
return MA_FALSE;
#else
int info[4];
ma_cpuid(info, 1);
return (info[3] & (1 << 26)) != 0;
#endif
#endif
#else
return MA_FALSE;
#endif
#else
return MA_FALSE;
#endif
}
#if 0
static MA_INLINE ma_bool32 ma_has_avx()
{
#if defined(MA_SUPPORT_AVX)
#if (defined(MA_X64) || defined(MA_X86)) && !defined(MA_NO_AVX)
#if defined(_AVX_) || defined(__AVX__)
return MA_TRUE;
#else
#if defined(MA_NO_CPUID) || defined(MA_NO_XGETBV)
return MA_FALSE;
#else
int info[4];
ma_cpuid(info, 1);
if (((info[2] & (1 << 27)) != 0) && ((info[2] & (1 << 28)) != 0)) {
ma_uint64 xrc = ma_xgetbv(0);
if ((xrc & 0x06) == 0x06) {
return MA_TRUE;
} else {
return MA_FALSE;
}
} else {
return MA_FALSE;
}
#endif
#endif
#else
return MA_FALSE;
#endif
#else
return MA_FALSE;
#endif
}
#endif
static MA_INLINE ma_bool32 ma_has_avx2(void)
{
#if defined(MA_SUPPORT_AVX2)
#if (defined(MA_X64) || defined(MA_X86)) && !defined(MA_NO_AVX2)
#if defined(_AVX2_) || defined(__AVX2__)
return MA_TRUE;
#else
#if defined(MA_NO_CPUID) || defined(MA_NO_XGETBV)
return MA_FALSE;
#else
int info1[4];
int info7[4];
ma_cpuid(info1, 1);
ma_cpuid(info7, 7);
if (((info1[2] & (1 << 27)) != 0) && ((info7[1] & (1 << 5)) != 0)) {
ma_uint64 xrc = ma_xgetbv(0);
if ((xrc & 0x06) == 0x06) {
return MA_TRUE;
} else {
return MA_FALSE;
}
} else {
return MA_FALSE;
}
#endif
#endif
#else
return MA_FALSE;
#endif
#else
return MA_FALSE;
#endif
}
static MA_INLINE ma_bool32 ma_has_neon(void)
{
#if defined(MA_SUPPORT_NEON)
#if defined(MA_ARM) && !defined(MA_NO_NEON)
#if (defined(__ARM_NEON) || defined(__aarch64__) || defined(_M_ARM64))
return MA_TRUE;
#else
return MA_FALSE;
#endif
#else
return MA_FALSE;
#endif
#else
return MA_FALSE;
#endif
}
#if defined(__has_builtin)
#define MA_COMPILER_HAS_BUILTIN(x) __has_builtin(x)
#else
#define MA_COMPILER_HAS_BUILTIN(x) 0
#endif
#ifndef MA_ASSUME
#if MA_COMPILER_HAS_BUILTIN(__builtin_assume)
#define MA_ASSUME(x) __builtin_assume(x)
#elif MA_COMPILER_HAS_BUILTIN(__builtin_unreachable)
#define MA_ASSUME(x) do { if (!(x)) __builtin_unreachable(); } while (0)
#elif defined(_MSC_VER)
#define MA_ASSUME(x) __assume(x)
#else
#define MA_ASSUME(x) (void)(x)
#endif
#endif
#ifndef MA_RESTRICT
#if defined(__clang__) || defined(_MSC_VER) || (defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)))
#define MA_RESTRICT __restrict
#else
#define MA_RESTRICT
#endif
#endif
#if defined(_MSC_VER) && _MSC_VER >= 1400
#define MA_HAS_BYTESWAP16_INTRINSIC
#define MA_HAS_BYTESWAP32_INTRINSIC
#define MA_HAS_BYTESWAP64_INTRINSIC
#elif defined(__clang__)
#if MA_COMPILER_HAS_BUILTIN(__builtin_bswap16)
#define MA_HAS_BYTESWAP16_INTRINSIC
#endif
#if MA_COMPILER_HAS_BUILTIN(__builtin_bswap32)
#define MA_HAS_BYTESWAP32_INTRINSIC
#endif
#if MA_COMPILER_HAS_BUILTIN(__builtin_bswap64)
#define MA_HAS_BYTESWAP64_INTRINSIC
#endif
#elif defined(__GNUC__)
#if ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
#define MA_HAS_BYTESWAP32_INTRINSIC
#define MA_HAS_BYTESWAP64_INTRINSIC
#endif
#if ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8))
#define MA_HAS_BYTESWAP16_INTRINSIC
#endif
#endif
static MA_INLINE ma_bool32 ma_is_little_endian(void)
{
#if defined(MA_X86) || defined(MA_X64)
return MA_TRUE;
#else
int n = 1;
return (*(char*)&n) == 1;
#endif
}
static MA_INLINE ma_bool32 ma_is_big_endian(void)
{
return !ma_is_little_endian();
}
static MA_INLINE ma_uint32 ma_swap_endian_uint32(ma_uint32 n)
{
#ifdef MA_HAS_BYTESWAP32_INTRINSIC
#if defined(_MSC_VER)
return _byteswap_ulong(n);
#elif defined(__GNUC__) || defined(__clang__)
#if defined(MA_ARM) && (defined(__ARM_ARCH) && __ARM_ARCH >= 6) && !defined(MA_64BIT)
ma_uint32 r;
__asm__ __volatile__ (
#if defined(MA_64BIT)
"rev %w[out], %w[in]" : [out]"=r"(r) : [in]"r"(n)
#else
"rev %[out], %[in]" : [out]"=r"(r) : [in]"r"(n)
#endif
);
return r;
#else
return __builtin_bswap32(n);
#endif
#else
#error "This compiler does not support the byte swap intrinsic."
#endif
#else
return ((n & 0xFF000000) >> 24) |
((n & 0x00FF0000) >> 8) |
((n & 0x0000FF00) << 8) |
((n & 0x000000FF) << 24);
#endif
}
#if !defined(MA_EMSCRIPTEN)
#ifdef MA_WIN32
static void ma_sleep__win32(ma_uint32 milliseconds)
{
Sleep((DWORD)milliseconds);
}
#endif
#ifdef MA_POSIX
static void ma_sleep__posix(ma_uint32 milliseconds)
{
#ifdef MA_EMSCRIPTEN
(void)milliseconds;
MA_ASSERT(MA_FALSE);
#else
#if (defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 199309L) || defined(MA_SWITCH)
struct timespec ts;
ts.tv_sec = milliseconds / 1000;
ts.tv_nsec = milliseconds % 1000 * 1000000;
nanosleep(&ts, NULL);
#else
struct timeval tv;
tv.tv_sec = milliseconds / 1000;
tv.tv_usec = milliseconds % 1000 * 1000;
select(0, NULL, NULL, NULL, &tv);
#endif
#endif
}
#endif
static MA_INLINE void ma_sleep(ma_uint32 milliseconds)
{
#ifdef MA_WIN32
ma_sleep__win32(milliseconds);
#endif
#ifdef MA_POSIX
ma_sleep__posix(milliseconds);
#endif
}
#endif
static MA_INLINE void ma_yield(void)
{
#if defined(__i386) || defined(_M_IX86) || defined(__x86_64__) || defined(_M_X64)
#if (defined(_MSC_VER) || defined(__WATCOMC__) || defined(__DMC__)) && !defined(__clang__)
#if _MSC_VER >= 1400
_mm_pause();
#else
#if defined(__DMC__)
__asm nop;
#else
__asm pause;
#endif
#endif
#else
__asm__ __volatile__ ("rep; nop");
#endif
#elif (defined(__arm__) && defined(__ARM_ARCH) && __ARM_ARCH >= 7) || defined(_M_ARM64) || (defined(_M_ARM) && _M_ARM >= 7) || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6T2__)
#if defined(_MSC_VER)
__yield();
#else
__asm__ __volatile__ ("yield");
#endif
#else
#endif
}
#define MA_MM_DENORMALS_ZERO_MASK 0x0040
#define MA_MM_FLUSH_ZERO_MASK 0x8000
static MA_INLINE unsigned int ma_disable_denormals(void)
{
unsigned int prevState;
#if defined(_MSC_VER) && !defined(MA_XBOX_NXDK)
{
#if _MSC_VER <= 1200
{
prevState = _statusfp();
_controlfp(prevState | _DN_FLUSH, _MCW_DN);
}
#else
{
unsigned int unused;
_controlfp_s(&prevState, 0, 0);
_controlfp_s(&unused, prevState | _DN_FLUSH, _MCW_DN);
}
#endif
}
#elif defined(MA_X86) || defined(MA_X64)
{
#if defined(MA_SUPPORT_SSE2) && defined(__SSE2__) && !(defined(__TINYC__) || defined(__WATCOMC__))
{
prevState = _mm_getcsr();
_mm_setcsr(prevState | MA_MM_DENORMALS_ZERO_MASK | MA_MM_FLUSH_ZERO_MASK);
}
#else
{
prevState = 0;
}
#endif
}
#else
{
prevState = 0;
}
#endif
return prevState;
}
static MA_INLINE void ma_restore_denormals(unsigned int prevState)
{
#if defined(_MSC_VER) && !defined(MA_XBOX_NXDK)
{
#if _MSC_VER <= 1200
{
_controlfp(prevState, _MCW_DN);
}
#else
{
unsigned int unused;
_controlfp_s(&unused, prevState, _MCW_DN);
}
#endif
}
#elif defined(MA_X86) || defined(MA_X64)
{
#if defined(MA_SUPPORT_SSE2) && defined(__SSE2__) && !(defined(__TINYC__) || defined(__WATCOMC__))
{
_mm_setcsr(prevState);
}
#else
{
(void)prevState;
}
#endif
}
#else
{
(void)prevState;
}
#endif
}
#ifdef MA_ANDROID
#include <sys/system_properties.h>
int ma_android_sdk_version()
{
char sdkVersion[PROP_VALUE_MAX + 1] = {0, };
if (__system_property_get("ro.build.version.sdk", sdkVersion)) {
return atoi(sdkVersion);
}
return 0;
}
#endif
#ifndef MA_COINIT_VALUE
#define MA_COINIT_VALUE 0
#endif
#ifndef MA_FLT_MAX
#ifdef FLT_MAX
#define MA_FLT_MAX FLT_MAX
#else
#define MA_FLT_MAX 3.402823466e+38F
#endif
#endif
#ifndef MA_PI
#define MA_PI 3.14159265358979323846264f
#endif
#ifndef MA_PI_D
#define MA_PI_D 3.14159265358979323846264
#endif
#ifndef MA_TAU
#define MA_TAU 6.28318530717958647693f
#endif
#ifndef MA_TAU_D
#define MA_TAU_D 6.28318530717958647693
#endif
#ifndef MA_DEFAULT_FORMAT
#define MA_DEFAULT_FORMAT ma_format_f32
#endif
#ifndef MA_DEFAULT_CHANNELS
#define MA_DEFAULT_CHANNELS 2
#endif
#ifndef MA_DEFAULT_SAMPLE_RATE
#define MA_DEFAULT_SAMPLE_RATE 48000
#endif
#ifndef MA_DEFAULT_PERIODS
#define MA_DEFAULT_PERIODS 3
#endif
#ifndef MA_DEFAULT_PERIOD_SIZE_IN_MILLISECONDS_LOW_LATENCY
#define MA_DEFAULT_PERIOD_SIZE_IN_MILLISECONDS_LOW_LATENCY 10
#endif
#ifndef MA_DEFAULT_PERIOD_SIZE_IN_MILLISECONDS_CONSERVATIVE
#define MA_DEFAULT_PERIOD_SIZE_IN_MILLISECONDS_CONSERVATIVE 100
#endif
#ifndef MA_DEFAULT_RESAMPLER_LPF_ORDER
#if MA_MAX_FILTER_ORDER >= 4
#define MA_DEFAULT_RESAMPLER_LPF_ORDER 4
#else
#define MA_DEFAULT_RESAMPLER_LPF_ORDER MA_MAX_FILTER_ORDER
#endif
#endif
#if defined(__clang__) || (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)))
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-variable"
#endif
static ma_uint32 g_maStandardSampleRatePriorities[] = {
(ma_uint32)ma_standard_sample_rate_48000,
(ma_uint32)ma_standard_sample_rate_44100,
(ma_uint32)ma_standard_sample_rate_32000,
(ma_uint32)ma_standard_sample_rate_24000,
(ma_uint32)ma_standard_sample_rate_22050,
(ma_uint32)ma_standard_sample_rate_88200,
(ma_uint32)ma_standard_sample_rate_96000,
(ma_uint32)ma_standard_sample_rate_176400,
(ma_uint32)ma_standard_sample_rate_192000,
(ma_uint32)ma_standard_sample_rate_16000,
(ma_uint32)ma_standard_sample_rate_11025,
(ma_uint32)ma_standard_sample_rate_8000,
(ma_uint32)ma_standard_sample_rate_352800,
(ma_uint32)ma_standard_sample_rate_384000
};
static MA_INLINE ma_bool32 ma_is_standard_sample_rate(ma_uint32 sampleRate)
{
ma_uint32 iSampleRate;
for (iSampleRate = 0; iSampleRate < sizeof(g_maStandardSampleRatePriorities) / sizeof(g_maStandardSampleRatePriorities[0]); iSampleRate += 1) {
if (g_maStandardSampleRatePriorities[iSampleRate] == sampleRate) {
return MA_TRUE;
}
}
return MA_FALSE;
}
static ma_format g_maFormatPriorities[] = {
ma_format_s16,
ma_format_f32,
ma_format_s32,
ma_format_s24,
ma_format_u8
};
#if defined(__clang__) || (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)))
#pragma GCC diagnostic pop
#endif
MA_API void ma_version(ma_uint32* pMajor, ma_uint32* pMinor, ma_uint32* pRevision)
{
if (pMajor) {
*pMajor = MA_VERSION_MAJOR;
}
if (pMinor) {
*pMinor = MA_VERSION_MINOR;
}
if (pRevision) {
*pRevision = MA_VERSION_REVISION;
}
}
MA_API const char* ma_version_string(void)
{
return MA_VERSION_STRING;
}
#ifndef MA_ASSERT
#define MA_ASSERT(condition) assert(condition)
#endif
#ifndef MA_MALLOC
#define MA_MALLOC(sz) malloc((sz))
#endif
#ifndef MA_REALLOC
#define MA_REALLOC(p, sz) realloc((p), (sz))
#endif
#ifndef MA_FREE
#define MA_FREE(p) free((p))
#endif
static MA_INLINE void ma_zero_memory_default(void* p, size_t sz)
{
if (p == NULL) {
MA_ASSERT(sz == 0);
return;
}
if (sz > 0) {
memset(p, 0, sz);
}
}
#ifndef MA_ZERO_MEMORY
#define MA_ZERO_MEMORY(p, sz) ma_zero_memory_default((p), (sz))
#endif
#ifndef MA_COPY_MEMORY
#define MA_COPY_MEMORY(dst, src, sz) memcpy((dst), (src), (sz))
#endif
#ifndef MA_MOVE_MEMORY
#define MA_MOVE_MEMORY(dst, src, sz) memmove((dst), (src), (sz))
#endif
#define MA_ZERO_OBJECT(p) MA_ZERO_MEMORY((p), sizeof(*(p)))
#define ma_countof(x) (sizeof(x) / sizeof(x[0]))
#define ma_max(x, y) (((x) > (y)) ? (x) : (y))
#define ma_min(x, y) (((x) < (y)) ? (x) : (y))
#define ma_abs(x) (((x) > 0) ? (x) : -(x))
#define ma_clamp(x, lo, hi) (ma_max(lo, ma_min(x, hi)))
#define ma_offset_ptr(p, offset) (((ma_uint8*)(p)) + (offset))
#define ma_align(x, a) (((x) + ((a)-1)) & ~((a)-1))
#define ma_align_64(x) ma_align(x, 8)
#define ma_buffer_frame_capacity(buffer, channels, format) (sizeof(buffer) / ma_get_bytes_per_sample(format) / (channels))
static MA_INLINE double ma_sind(double x)
{
return sin(x);
}
static MA_INLINE double ma_expd(double x)
{
return exp(x);
}
static MA_INLINE double ma_logd(double x)
{
return log(x);
}
static MA_INLINE double ma_powd(double x, double y)
{
return pow(x, y);
}
static MA_INLINE double ma_sqrtd(double x)
{
return sqrt(x);
}
static MA_INLINE float ma_rsqrtf(float x)
{
#if defined(MA_SUPPORT_SSE2) && !defined(MA_NO_SSE2) && (defined(MA_X64) || (defined(_M_IX86_FP) && _M_IX86_FP == 2) || defined(__SSE2__))
{
#if defined(__GNUC__) || defined(__clang__)
{
float result;
__asm__ __volatile__("rsqrtss %1, %0" : "=x"(result) : "x"(x));
return result;
}
#else
{
return _mm_cvtss_f32(_mm_rsqrt_ss(_mm_set_ps1(x)));
}
#endif
}
#else
{
return 1 / (float)ma_sqrtd(x);
}
#endif
}
static MA_INLINE float ma_sinf(float x)
{
return (float)ma_sind((float)x);
}
static MA_INLINE double ma_cosd(double x)
{
return ma_sind((MA_PI_D*0.5) - x);
}
static MA_INLINE float ma_cosf(float x)
{
return (float)ma_cosd((float)x);
}
static MA_INLINE double ma_log10d(double x)
{
return ma_logd(x) * 0.43429448190325182765;
}
static MA_INLINE float ma_powf(float x, float y)
{
return (float)ma_powd((double)x, (double)y);
}
static MA_INLINE float ma_log10f(float x)
{
return (float)ma_log10d((double)x);
}
static MA_INLINE double ma_degrees_to_radians(double degrees)
{
return degrees * 0.01745329252;
}
static MA_INLINE double ma_radians_to_degrees(double radians)
{
return radians * 57.295779512896;
}
static MA_INLINE float ma_degrees_to_radians_f(float degrees)
{
return degrees * 0.01745329252f;
}
static MA_INLINE float ma_radians_to_degrees_f(float radians)
{
return radians * 57.295779512896f;
}
MA_API MA_NO_INLINE int ma_strcpy_s(char* dst, size_t dstSizeInBytes, const char* src)
{
size_t i;
if (dst == 0) {
return 22;
}
if (dstSizeInBytes == 0) {
return 34;
}
if (src == 0) {
dst[0] = '\0';
return 22;
}
for (i = 0; i < dstSizeInBytes && src[i] != '\0'; ++i) {
dst[i] = src[i];
}
if (i < dstSizeInBytes) {
dst[i] = '\0';
return 0;
}
dst[0] = '\0';
return 34;
}
MA_API MA_NO_INLINE int ma_wcscpy_s(wchar_t* dst, size_t dstCap, const wchar_t* src)
{
size_t i;
if (dst == 0) {
return 22;
}
if (dstCap == 0) {
return 34;
}
if (src == 0) {
dst[0] = '\0';
return 22;
}
for (i = 0; i < dstCap && src[i] != '\0'; ++i) {
dst[i] = src[i];
}
if (i < dstCap) {
dst[i] = '\0';
return 0;
}
dst[0] = '\0';
return 34;
}
MA_API MA_NO_INLINE int ma_strncpy_s(char* dst, size_t dstSizeInBytes, const char* src, size_t count)
{
size_t maxcount;
size_t i;
if (dst == 0) {
return 22;
}
if (dstSizeInBytes == 0) {
return 34;
}
if (src == 0) {
dst[0] = '\0';
return 22;
}
maxcount = count;
if (count == ((size_t)-1) || count >= dstSizeInBytes) {
maxcount = dstSizeInBytes - 1;
}
for (i = 0; i < maxcount && src[i] != '\0'; ++i) {
dst[i] = src[i];
}
if (src[i] == '\0' || i == count || count == ((size_t)-1)) {
dst[i] = '\0';
return 0;
}
dst[0] = '\0';
return 34;
}
MA_API MA_NO_INLINE int ma_strcat_s(char* dst, size_t dstSizeInBytes, const char* src)
{
char* dstorig;
if (dst == 0) {
return 22;
}
if (dstSizeInBytes == 0) {
return 34;
}
if (src == 0) {
dst[0] = '\0';
return 22;
}
dstorig = dst;
while (dstSizeInBytes > 0 && dst[0] != '\0') {
dst += 1;
dstSizeInBytes -= 1;
}
if (dstSizeInBytes == 0) {
return 22;
}
while (dstSizeInBytes > 0 && src[0] != '\0') {
*dst++ = *src++;
dstSizeInBytes -= 1;
}
if (dstSizeInBytes > 0) {
dst[0] = '\0';
} else {
dstorig[0] = '\0';
return 34;
}
return 0;
}
MA_API MA_NO_INLINE int ma_strncat_s(char* dst, size_t dstSizeInBytes, const char* src, size_t count)
{
char* dstorig;
if (dst == 0) {
return 22;
}
if (dstSizeInBytes == 0) {
return 34;
}
if (src == 0) {
return 22;
}
dstorig = dst;
while (dstSizeInBytes > 0 && dst[0] != '\0') {
dst += 1;
dstSizeInBytes -= 1;
}
if (dstSizeInBytes == 0) {
return 22;
}
if (count == ((size_t)-1)) {
count = dstSizeInBytes - 1;
}
while (dstSizeInBytes > 0 && src[0] != '\0' && count > 0) {
*dst++ = *src++;
dstSizeInBytes -= 1;
count -= 1;
}
if (dstSizeInBytes > 0) {
dst[0] = '\0';
} else {
dstorig[0] = '\0';
return 34;
}
return 0;
}
MA_API MA_NO_INLINE int ma_itoa_s(int value, char* dst, size_t dstSizeInBytes, int radix)
{
int sign;
unsigned int valueU;
char* dstEnd;
if (dst == NULL || dstSizeInBytes == 0) {
return 22;
}
if (radix < 2 || radix > 36) {
dst[0] = '\0';
return 22;
}
sign = (value < 0 && radix == 10) ? -1 : 1;
if (value < 0) {
valueU = -value;
} else {
valueU = value;
}
dstEnd = dst;
do
{
int remainder = valueU % radix;
if (remainder > 9) {
*dstEnd = (char)((remainder - 10) + 'a');
} else {
*dstEnd = (char)(remainder + '0');
}
dstEnd += 1;
dstSizeInBytes -= 1;
valueU /= radix;
} while (dstSizeInBytes > 0 && valueU > 0);
if (dstSizeInBytes == 0) {
dst[0] = '\0';
return 22;
}
if (sign < 0) {
*dstEnd++ = '-';
dstSizeInBytes -= 1;
}
if (dstSizeInBytes == 0) {
dst[0] = '\0';
return 22;
}
*dstEnd = '\0';
dstEnd -= 1;
while (dst < dstEnd) {
char temp = *dst;
*dst = *dstEnd;
*dstEnd = temp;
dst += 1;
dstEnd -= 1;
}
return 0;
}
MA_API MA_NO_INLINE int ma_strcmp(const char* str1, const char* str2)
{
if (str1 == str2) return 0;
if (str1 == NULL) return -1;
if (str2 == NULL) return 1;
for (;;) {
if (str1[0] == '\0') {
break;
}
if (str1[0] != str2[0]) {
break;
}
str1 += 1;
str2 += 1;
}
return ((unsigned char*)str1)[0] - ((unsigned char*)str2)[0];
}
MA_API MA_NO_INLINE int ma_wcscmp(const wchar_t* str1, const wchar_t* str2)
{
if (str1 == str2) return 0;
if (str1 == NULL) return -1;
if (str2 == NULL) return 1;
for (;;) {
if (str1[0] == L'\0') {
break;
}
if (str1[0] != str2[0]) {
break;
}
str1 += 1;
str2 += 1;
}
return ((unsigned short*)str1)[0] - ((unsigned short*)str2)[0];
}
MA_API MA_NO_INLINE int ma_strappend(char* dst, size_t dstSize, const char* srcA, const char* srcB)
{
int result;
result = ma_strncpy_s(dst, dstSize, srcA, (size_t)-1);
if (result != 0) {
return result;
}
result = ma_strncat_s(dst, dstSize, srcB, (size_t)-1);
if (result != 0) {
return result;
}
return result;
}
MA_API MA_NO_INLINE size_t ma_wcslen(const wchar_t* str)
{
const wchar_t* end;
if (str == NULL) {
return 0;
}
end = str;
while (end[0] != '\0') {
end += 1;
}
return end - str;
}
MA_API MA_NO_INLINE char* ma_copy_string(const char* src, const ma_allocation_callbacks* pAllocationCallbacks)
{
size_t sz;
char* dst;
if (src == NULL) {
return NULL;
}
sz = strlen(src)+1;
dst = (char*)ma_malloc(sz, pAllocationCallbacks);
if (dst == NULL) {
return NULL;
}
ma_strcpy_s(dst, sz, src);
return dst;
}
MA_API MA_NO_INLINE wchar_t* ma_copy_string_w(const wchar_t* src, const ma_allocation_callbacks* pAllocationCallbacks)
{
size_t sz = ma_wcslen(src)+1;
wchar_t* dst = (wchar_t*)ma_malloc(sz * sizeof(*dst), pAllocationCallbacks);
if (dst == NULL) {
return NULL;
}
ma_wcscpy_s(dst, sz, src);
return dst;
}
#include <errno.h>
static ma_result ma_result_from_errno(int e)
{
if (e == 0) {
return MA_SUCCESS;
}
#ifdef EPERM
else if (e == EPERM) { return MA_INVALID_OPERATION; }
#endif
#ifdef ENOENT
else if (e == ENOENT) { return MA_DOES_NOT_EXIST; }
#endif
#ifdef ESRCH
else if (e == ESRCH) { return MA_DOES_NOT_EXIST; }
#endif
#ifdef EINTR
else if (e == EINTR) { return MA_INTERRUPT; }
#endif
#ifdef EIO
else if (e == EIO) { return MA_IO_ERROR; }
#endif
#ifdef ENXIO
else if (e == ENXIO) { return MA_DOES_NOT_EXIST; }
#endif
#ifdef E2BIG
else if (e == E2BIG) { return MA_INVALID_ARGS; }
#endif
#ifdef ENOEXEC
else if (e == ENOEXEC) { return MA_INVALID_FILE; }
#endif
#ifdef EBADF
else if (e == EBADF) { return MA_INVALID_FILE; }
#endif
#ifdef ECHILD
else if (e == ECHILD) { return MA_ERROR; }
#endif
#ifdef EAGAIN
else if (e == EAGAIN) { return MA_UNAVAILABLE; }
#endif
#ifdef ENOMEM
else if (e == ENOMEM) { return MA_OUT_OF_MEMORY; }
#endif
#ifdef EACCES
else if (e == EACCES) { return MA_ACCESS_DENIED; }
#endif
#ifdef EFAULT
else if (e == EFAULT) { return MA_BAD_ADDRESS; }
#endif
#ifdef ENOTBLK
else if (e == ENOTBLK) { return MA_ERROR; }
#endif
#ifdef EBUSY
else if (e == EBUSY) { return MA_BUSY; }
#endif
#ifdef EEXIST
else if (e == EEXIST) { return MA_ALREADY_EXISTS; }
#endif
#ifdef EXDEV
else if (e == EXDEV) { return MA_ERROR; }
#endif
#ifdef ENODEV
else if (e == ENODEV) { return MA_DOES_NOT_EXIST; }
#endif
#ifdef ENOTDIR
else if (e == ENOTDIR) { return MA_NOT_DIRECTORY; }
#endif
#ifdef EISDIR
else if (e == EISDIR) { return MA_IS_DIRECTORY; }
#endif
#ifdef EINVAL
else if (e == EINVAL) { return MA_INVALID_ARGS; }
#endif
#ifdef ENFILE
else if (e == ENFILE) { return MA_TOO_MANY_OPEN_FILES; }
#endif
#ifdef EMFILE
else if (e == EMFILE) { return MA_TOO_MANY_OPEN_FILES; }
#endif
#ifdef ENOTTY
else if (e == ENOTTY) { return MA_INVALID_OPERATION; }
#endif
#ifdef ETXTBSY
else if (e == ETXTBSY) { return MA_BUSY; }
#endif
#ifdef EFBIG
else if (e == EFBIG) { return MA_TOO_BIG; }
#endif
#ifdef ENOSPC
else if (e == ENOSPC) { return MA_NO_SPACE; }
#endif
#ifdef ESPIPE
else if (e == ESPIPE) { return MA_BAD_SEEK; }
#endif
#ifdef EROFS
else if (e == EROFS) { return MA_ACCESS_DENIED; }
#endif
#ifdef EMLINK
else if (e == EMLINK) { return MA_TOO_MANY_LINKS; }
#endif
#ifdef EPIPE
else if (e == EPIPE) { return MA_BAD_PIPE; }
#endif
#ifdef EDOM
else if (e == EDOM) { return MA_OUT_OF_RANGE; }
#endif
#ifdef ERANGE
else if (e == ERANGE) { return MA_OUT_OF_RANGE; }
#endif
#ifdef EDEADLK
else if (e == EDEADLK) { return MA_DEADLOCK; }
#endif
#ifdef ENAMETOOLONG
else if (e == ENAMETOOLONG) { return MA_PATH_TOO_LONG; }
#endif
#ifdef ENOLCK
else if (e == ENOLCK) { return MA_ERROR; }
#endif
#ifdef ENOSYS
else if (e == ENOSYS) { return MA_NOT_IMPLEMENTED; }
#endif
#ifdef ENOTEMPTY
else if (e == ENOTEMPTY) { return MA_DIRECTORY_NOT_EMPTY; }
#endif
#ifdef ELOOP
else if (e == ELOOP) { return MA_TOO_MANY_LINKS; }
#endif
#ifdef ENOMSG
else if (e == ENOMSG) { return MA_NO_MESSAGE; }
#endif
#ifdef EIDRM
else if (e == EIDRM) { return MA_ERROR; }
#endif
#ifdef ECHRNG
else if (e == ECHRNG) { return MA_ERROR; }
#endif
#ifdef EL2NSYNC
else if (e == EL2NSYNC) { return MA_ERROR; }
#endif
#ifdef EL3HLT
else if (e == EL3HLT) { return MA_ERROR; }
#endif
#ifdef EL3RST
else if (e == EL3RST) { return MA_ERROR; }
#endif
#ifdef ELNRNG
else if (e == ELNRNG) { return MA_OUT_OF_RANGE; }
#endif
#ifdef EUNATCH
else if (e == EUNATCH) { return MA_ERROR; }
#endif
#ifdef ENOCSI
else if (e == ENOCSI) { return MA_ERROR; }
#endif
#ifdef EL2HLT
else if (e == EL2HLT) { return MA_ERROR; }
#endif
#ifdef EBADE
else if (e == EBADE) { return MA_ERROR; }
#endif
#ifdef EBADR
else if (e == EBADR) { return MA_ERROR; }
#endif
#ifdef EXFULL
else if (e == EXFULL) { return MA_ERROR; }
#endif
#ifdef ENOANO
else if (e == ENOANO) { return MA_ERROR; }
#endif
#ifdef EBADRQC
else if (e == EBADRQC) { return MA_ERROR; }
#endif
#ifdef EBADSLT
else if (e == EBADSLT) { return MA_ERROR; }
#endif
#ifdef EBFONT
else if (e == EBFONT) { return MA_INVALID_FILE; }
#endif
#ifdef ENOSTR
else if (e == ENOSTR) { return MA_ERROR; }
#endif
#ifdef ENODATA
else if (e == ENODATA) { return MA_NO_DATA_AVAILABLE; }
#endif
#ifdef ETIME
else if (e == ETIME) { return MA_TIMEOUT; }
#endif
#ifdef ENOSR
else if (e == ENOSR) { return MA_NO_DATA_AVAILABLE; }
#endif
#ifdef ENONET
else if (e == ENONET) { return MA_NO_NETWORK; }
#endif
#ifdef ENOPKG
else if (e == ENOPKG) { return MA_ERROR; }
#endif
#ifdef EREMOTE
else if (e == EREMOTE) { return MA_ERROR; }
#endif
#ifdef ENOLINK
else if (e == ENOLINK) { return MA_ERROR; }
#endif
#ifdef EADV
else if (e == EADV) { return MA_ERROR; }
#endif
#ifdef ESRMNT
else if (e == ESRMNT) { return MA_ERROR; }
#endif
#ifdef ECOMM
else if (e == ECOMM) { return MA_ERROR; }
#endif
#ifdef EPROTO
else if (e == EPROTO) { return MA_ERROR; }
#endif
#ifdef EMULTIHOP
else if (e == EMULTIHOP) { return MA_ERROR; }
#endif
#ifdef EDOTDOT
else if (e == EDOTDOT) { return MA_ERROR; }
#endif
#ifdef EBADMSG
else if (e == EBADMSG) { return MA_BAD_MESSAGE; }
#endif
#ifdef EOVERFLOW
else if (e == EOVERFLOW) { return MA_TOO_BIG; }
#endif
#ifdef ENOTUNIQ
else if (e == ENOTUNIQ) { return MA_NOT_UNIQUE; }
#endif
#ifdef EBADFD
else if (e == EBADFD) { return MA_ERROR; }
#endif
#ifdef EREMCHG
else if (e == EREMCHG) { return MA_ERROR; }
#endif
#ifdef ELIBACC
else if (e == ELIBACC) { return MA_ACCESS_DENIED; }
#endif
#ifdef ELIBBAD
else if (e == ELIBBAD) { return MA_INVALID_FILE; }
#endif
#ifdef ELIBSCN
else if (e == ELIBSCN) { return MA_INVALID_FILE; }
#endif
#ifdef ELIBMAX
else if (e == ELIBMAX) { return MA_ERROR; }
#endif
#ifdef ELIBEXEC
else if (e == ELIBEXEC) { return MA_ERROR; }
#endif
#ifdef EILSEQ
else if (e == EILSEQ) { return MA_INVALID_DATA; }
#endif
#ifdef ERESTART
else if (e == ERESTART) { return MA_ERROR; }
#endif
#ifdef ESTRPIPE
else if (e == ESTRPIPE) { return MA_ERROR; }
#endif
#ifdef EUSERS
else if (e == EUSERS) { return MA_ERROR; }
#endif
#ifdef ENOTSOCK
else if (e == ENOTSOCK) { return MA_NOT_SOCKET; }
#endif
#ifdef EDESTADDRREQ
else if (e == EDESTADDRREQ) { return MA_NO_ADDRESS; }
#endif
#ifdef EMSGSIZE
else if (e == EMSGSIZE) { return MA_TOO_BIG; }
#endif
#ifdef EPROTOTYPE
else if (e == EPROTOTYPE) { return MA_BAD_PROTOCOL; }
#endif
#ifdef ENOPROTOOPT
else if (e == ENOPROTOOPT) { return MA_PROTOCOL_UNAVAILABLE; }
#endif
#ifdef EPROTONOSUPPORT
else if (e == EPROTONOSUPPORT) { return MA_PROTOCOL_NOT_SUPPORTED; }
#endif
#ifdef ESOCKTNOSUPPORT
else if (e == ESOCKTNOSUPPORT) { return MA_SOCKET_NOT_SUPPORTED; }
#endif
#ifdef EOPNOTSUPP
else if (e == EOPNOTSUPP) { return MA_INVALID_OPERATION; }
#endif
#ifdef EPFNOSUPPORT
else if (e == EPFNOSUPPORT) { return MA_PROTOCOL_FAMILY_NOT_SUPPORTED; }
#endif
#ifdef EAFNOSUPPORT
else if (e == EAFNOSUPPORT) { return MA_ADDRESS_FAMILY_NOT_SUPPORTED; }
#endif
#ifdef EADDRINUSE
else if (e == EADDRINUSE) { return MA_ALREADY_IN_USE; }
#endif
#ifdef EADDRNOTAVAIL
else if (e == EADDRNOTAVAIL) { return MA_ERROR; }
#endif
#ifdef ENETDOWN
else if (e == ENETDOWN) { return MA_NO_NETWORK; }
#endif
#ifdef ENETUNREACH
else if (e == ENETUNREACH) { return MA_NO_NETWORK; }
#endif
#ifdef ENETRESET
else if (e == ENETRESET) { return MA_NO_NETWORK; }
#endif
#ifdef ECONNABORTED
else if (e == ECONNABORTED) { return MA_NO_NETWORK; }
#endif
#ifdef ECONNRESET
else if (e == ECONNRESET) { return MA_CONNECTION_RESET; }
#endif
#ifdef ENOBUFS
else if (e == ENOBUFS) { return MA_NO_SPACE; }
#endif
#ifdef EISCONN
else if (e == EISCONN) { return MA_ALREADY_CONNECTED; }
#endif
#ifdef ENOTCONN
else if (e == ENOTCONN) { return MA_NOT_CONNECTED; }
#endif
#ifdef ESHUTDOWN
else if (e == ESHUTDOWN) { return MA_ERROR; }
#endif
#ifdef ETOOMANYREFS
else if (e == ETOOMANYREFS) { return MA_ERROR; }
#endif
#ifdef ETIMEDOUT
else if (e == ETIMEDOUT) { return MA_TIMEOUT; }
#endif
#ifdef ECONNREFUSED
else if (e == ECONNREFUSED) { return MA_CONNECTION_REFUSED; }
#endif
#ifdef EHOSTDOWN
else if (e == EHOSTDOWN) { return MA_NO_HOST; }
#endif
#ifdef EHOSTUNREACH
else if (e == EHOSTUNREACH) { return MA_NO_HOST; }
#endif
#ifdef EALREADY
else if (e == EALREADY) { return MA_IN_PROGRESS; }
#endif
#ifdef EINPROGRESS
else if (e == EINPROGRESS) { return MA_IN_PROGRESS; }
#endif
#ifdef ESTALE
else if (e == ESTALE) { return MA_INVALID_FILE; }
#endif
#ifdef EUCLEAN
else if (e == EUCLEAN) { return MA_ERROR; }
#endif
#ifdef ENOTNAM
else if (e == ENOTNAM) { return MA_ERROR; }
#endif
#ifdef ENAVAIL
else if (e == ENAVAIL) { return MA_ERROR; }
#endif
#ifdef EISNAM
else if (e == EISNAM) { return MA_ERROR; }
#endif
#ifdef EREMOTEIO
else if (e == EREMOTEIO) { return MA_IO_ERROR; }
#endif
#ifdef EDQUOT
else if (e == EDQUOT) { return MA_NO_SPACE; }
#endif
#ifdef ENOMEDIUM
else if (e == ENOMEDIUM) { return MA_DOES_NOT_EXIST; }
#endif
#ifdef EMEDIUMTYPE
else if (e == EMEDIUMTYPE) { return MA_ERROR; }
#endif
#ifdef ECANCELED
else if (e == ECANCELED) { return MA_CANCELLED; }
#endif
#ifdef ENOKEY
else if (e == ENOKEY) { return MA_ERROR; }
#endif
#ifdef EKEYEXPIRED
else if (e == EKEYEXPIRED) { return MA_ERROR; }
#endif
#ifdef EKEYREVOKED
else if (e == EKEYREVOKED) { return MA_ERROR; }
#endif
#ifdef EKEYREJECTED
else if (e == EKEYREJECTED) { return MA_ERROR; }
#endif
#ifdef EOWNERDEAD
else if (e == EOWNERDEAD) { return MA_ERROR; }
#endif
#ifdef ENOTRECOVERABLE
else if (e == ENOTRECOVERABLE) { return MA_ERROR; }
#endif
#ifdef ERFKILL
else if (e == ERFKILL) { return MA_ERROR; }
#endif
#ifdef EHWPOISON
else if (e == EHWPOISON) { return MA_ERROR; }
#endif
else {
return MA_ERROR;
}
}
MA_API ma_result ma_fopen(FILE** ppFile, const char* pFilePath, const char* pOpenMode)
{
#if defined(_MSC_VER) && _MSC_VER >= 1400
errno_t err;
#endif
if (ppFile != NULL) {
*ppFile = NULL;
}
if (pFilePath == NULL || pOpenMode == NULL || ppFile == NULL) {
return MA_INVALID_ARGS;
}
#if (defined(_MSC_VER) && _MSC_VER >= 1400) && !defined(MA_XBOX_NXDK)
err = fopen_s(ppFile, pFilePath, pOpenMode);
if (err != 0) {
return ma_result_from_errno(err);
}
#else
#if defined(_WIN32) || defined(__APPLE__)
*ppFile = fopen(pFilePath, pOpenMode);
#else
#if defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS == 64 && defined(_LARGEFILE64_SOURCE)
*ppFile = fopen64(pFilePath, pOpenMode);
#else
*ppFile = fopen(pFilePath, pOpenMode);
#endif
#endif
if (*ppFile == NULL) {
ma_result result = ma_result_from_errno(errno);
if (result == MA_SUCCESS) {
result = MA_ERROR;
}
return result;
}
#endif
return MA_SUCCESS;
}
#if defined(_WIN32) && !defined(MA_XBOX_NXDK)
#if defined(_MSC_VER) || defined(__MINGW64__) || (!defined(__STRICT_ANSI__) && !defined(_NO_EXT_KEYS))
#define MA_HAS_WFOPEN
#endif
#endif
MA_API ma_result ma_wfopen(FILE** ppFile, const wchar_t* pFilePath, const wchar_t* pOpenMode, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (ppFile != NULL) {
*ppFile = NULL;
}
if (pFilePath == NULL || pOpenMode == NULL || ppFile == NULL) {
return MA_INVALID_ARGS;
}
#if defined(MA_HAS_WFOPEN)
{
#if defined(_MSC_VER) && _MSC_VER >= 1400
{
errno_t err = _wfopen_s(ppFile, pFilePath, pOpenMode);
if (err != 0) {
return ma_result_from_errno(err);
}
}
#else
{
*ppFile = _wfopen(pFilePath, pOpenMode);
if (*ppFile == NULL) {
return ma_result_from_errno(errno);
}
}
#endif
(void)pAllocationCallbacks;
}
#elif !defined(MA_XBOX_NXDK) && !defined(MA_DOS)
{
mbstate_t mbs;
size_t lenMB;
const wchar_t* pFilePathTemp = pFilePath;
char* pFilePathMB = NULL;
char pOpenModeMB[32] = {0};
MA_ZERO_OBJECT(&mbs);
lenMB = wcsrtombs(NULL, &pFilePathTemp, 0, &mbs);
if (lenMB == (size_t)-1) {
return ma_result_from_errno(errno);
}
pFilePathMB = (char*)ma_malloc(lenMB + 1, pAllocationCallbacks);
if (pFilePathMB == NULL) {
return MA_OUT_OF_MEMORY;
}
pFilePathTemp = pFilePath;
MA_ZERO_OBJECT(&mbs);
wcsrtombs(pFilePathMB, &pFilePathTemp, lenMB + 1, &mbs);
{
size_t i = 0;
for (;;) {
if (pOpenMode[i] == 0) {
pOpenModeMB[i] = '\0';
break;
}
pOpenModeMB[i] = (char)pOpenMode[i];
i += 1;
}
}
*ppFile = fopen(pFilePathMB, pOpenModeMB);
ma_free(pFilePathMB, pAllocationCallbacks);
}
#else
{
*ppFile = NULL;
}
#endif
if (*ppFile == NULL) {
return MA_ERROR;
}
return MA_SUCCESS;
}
static MA_INLINE void ma_copy_memory_64(void* dst, const void* src, ma_uint64 sizeInBytes)
{
#if MA_SIZE_MAX > 0xFFFFFFFF
MA_COPY_MEMORY(dst, src, (size_t)sizeInBytes);
#else
while (sizeInBytes > 0) {
ma_uint64 bytesToCopyNow = sizeInBytes;
if (bytesToCopyNow > MA_SIZE_MAX) {
bytesToCopyNow = MA_SIZE_MAX;
}
MA_COPY_MEMORY(dst, src, (size_t)bytesToCopyNow);
sizeInBytes -= bytesToCopyNow;
dst = ( void*)(( ma_uint8*)dst + bytesToCopyNow);
src = (const void*)((const ma_uint8*)src + bytesToCopyNow);
}
#endif
}
static MA_INLINE void ma_zero_memory_64(void* dst, ma_uint64 sizeInBytes)
{
#if MA_SIZE_MAX > 0xFFFFFFFF
MA_ZERO_MEMORY(dst, (size_t)sizeInBytes);
#else
while (sizeInBytes > 0) {
ma_uint64 bytesToZeroNow = sizeInBytes;
if (bytesToZeroNow > MA_SIZE_MAX) {
bytesToZeroNow = MA_SIZE_MAX;
}
MA_ZERO_MEMORY(dst, (size_t)bytesToZeroNow);
sizeInBytes -= bytesToZeroNow;
dst = (void*)((ma_uint8*)dst + bytesToZeroNow);
}
#endif
}
static MA_INLINE unsigned int ma_next_power_of_2(unsigned int x)
{
x--;
x |= x >> 1;
x |= x >> 2;
x |= x >> 4;
x |= x >> 8;
x |= x >> 16;
x++;
return x;
}
static MA_INLINE unsigned int ma_prev_power_of_2(unsigned int x)
{
return ma_next_power_of_2(x) >> 1;
}
static MA_INLINE unsigned int ma_round_to_power_of_2(unsigned int x)
{
unsigned int prev = ma_prev_power_of_2(x);
unsigned int next = ma_next_power_of_2(x);
if ((next - x) > (x - prev)) {
return prev;
} else {
return next;
}
}
static MA_INLINE unsigned int ma_count_set_bits(unsigned int x)
{
unsigned int count = 0;
while (x != 0) {
if (x & 1) {
count += 1;
}
x = x >> 1;
}
return count;
}
static void* ma__malloc_default(size_t sz, void* pUserData)
{
(void)pUserData;
return MA_MALLOC(sz);
}
static void* ma__realloc_default(void* p, size_t sz, void* pUserData)
{
(void)pUserData;
return MA_REALLOC(p, sz);
}
static void ma__free_default(void* p, void* pUserData)
{
(void)pUserData;
MA_FREE(p);
}
static ma_allocation_callbacks ma_allocation_callbacks_init_default(void)
{
ma_allocation_callbacks callbacks;
callbacks.pUserData = NULL;
callbacks.onMalloc = ma__malloc_default;
callbacks.onRealloc = ma__realloc_default;
callbacks.onFree = ma__free_default;
return callbacks;
}
static ma_result ma_allocation_callbacks_init_copy(ma_allocation_callbacks* pDst, const ma_allocation_callbacks* pSrc)
{
if (pDst == NULL) {
return MA_INVALID_ARGS;
}
if (pSrc == NULL) {
*pDst = ma_allocation_callbacks_init_default();
} else {
if (pSrc->pUserData == NULL && pSrc->onFree == NULL && pSrc->onMalloc == NULL && pSrc->onRealloc == NULL) {
*pDst = ma_allocation_callbacks_init_default();
} else {
if (pSrc->onFree == NULL || (pSrc->onMalloc == NULL && pSrc->onRealloc == NULL)) {
return MA_INVALID_ARGS;
} else {
*pDst = *pSrc;
}
}
}
return MA_SUCCESS;
}
#ifndef ma_va_copy
#if !defined(_MSC_VER) || _MSC_VER >= 1800
#if (defined(__GNUC__) && __GNUC__ < 3)
#define ma_va_copy(dst, src) ((dst) = (src))
#else
#define ma_va_copy(dst, src) va_copy((dst), (src))
#endif
#else
#define ma_va_copy(dst, src) ((dst) = (src))
#endif
#endif
MA_API const char* ma_log_level_to_string(ma_uint32 logLevel)
{
switch (logLevel)
{
case MA_LOG_LEVEL_DEBUG: return "DEBUG";
case MA_LOG_LEVEL_INFO: return "INFO";
case MA_LOG_LEVEL_WARNING: return "WARNING";
case MA_LOG_LEVEL_ERROR: return "ERROR";
default: return "ERROR";
}
}
#if defined(MA_DEBUG_OUTPUT)
#if defined(MA_ANDROID)
#include <android/log.h>
#endif
#ifndef MA_ANDROID_LOG_TAG
#define MA_ANDROID_LOG_TAG "miniaudio"
#endif
void ma_log_callback_debug(void* pUserData, ma_uint32 level, const char* pMessage)
{
(void)pUserData;
#if defined(MA_ANDROID)
{
__android_log_print(ANDROID_LOG_DEBUG, MA_ANDROID_LOG_TAG, "%s: %s", ma_log_level_to_string(level), pMessage);
}
#else
{
printf("%s: %s", ma_log_level_to_string(level), pMessage);
}
#endif
}
#endif
MA_API ma_log_callback ma_log_callback_init(ma_log_callback_proc onLog, void* pUserData)
{
ma_log_callback callback;
MA_ZERO_OBJECT(&callback);
callback.onLog = onLog;
callback.pUserData = pUserData;
return callback;
}
MA_API ma_result ma_log_init(const ma_allocation_callbacks* pAllocationCallbacks, ma_log* pLog)
{
if (pLog == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pLog);
ma_allocation_callbacks_init_copy(&pLog->allocationCallbacks, pAllocationCallbacks);
#ifndef MA_NO_THREADING
{
ma_result result = ma_mutex_init(&pLog->lock);
if (result != MA_SUCCESS) {
return result;
}
}
#endif
#if defined(MA_DEBUG_OUTPUT)
{
ma_log_register_callback(pLog, ma_log_callback_init(ma_log_callback_debug, NULL));
}
#endif
return MA_SUCCESS;
}
MA_API void ma_log_uninit(ma_log* pLog)
{
if (pLog == NULL) {
return;
}
#ifndef MA_NO_THREADING
ma_mutex_uninit(&pLog->lock);
#endif
}
static void ma_log_lock(ma_log* pLog)
{
#ifndef MA_NO_THREADING
ma_mutex_lock(&pLog->lock);
#else
(void)pLog;
#endif
}
static void ma_log_unlock(ma_log* pLog)
{
#ifndef MA_NO_THREADING
ma_mutex_unlock(&pLog->lock);
#else
(void)pLog;
#endif
}
MA_API ma_result ma_log_register_callback(ma_log* pLog, ma_log_callback callback)
{
ma_result result = MA_SUCCESS;
if (pLog == NULL || callback.onLog == NULL) {
return MA_INVALID_ARGS;
}
ma_log_lock(pLog);
{
if (pLog->callbackCount == ma_countof(pLog->callbacks)) {
result = MA_OUT_OF_MEMORY;
} else {
pLog->callbacks[pLog->callbackCount] = callback;
pLog->callbackCount += 1;
}
}
ma_log_unlock(pLog);
return result;
}
MA_API ma_result ma_log_unregister_callback(ma_log* pLog, ma_log_callback callback)
{
if (pLog == NULL) {
return MA_INVALID_ARGS;
}
ma_log_lock(pLog);
{
ma_uint32 iLog;
for (iLog = 0; iLog < pLog->callbackCount; ) {
if (pLog->callbacks[iLog].onLog == callback.onLog) {
ma_uint32 jLog;
for (jLog = iLog; jLog < pLog->callbackCount-1; jLog += 1) {
pLog->callbacks[jLog] = pLog->callbacks[jLog + 1];
}
pLog->callbackCount -= 1;
} else {
iLog += 1;
}
}
}
ma_log_unlock(pLog);
return MA_SUCCESS;
}
MA_API ma_result ma_log_post(ma_log* pLog, ma_uint32 level, const char* pMessage)
{
if (pLog == NULL || pMessage == NULL) {
return MA_INVALID_ARGS;
}
ma_log_lock(pLog);
{
ma_uint32 iLog;
for (iLog = 0; iLog < pLog->callbackCount; iLog += 1) {
if (pLog->callbacks[iLog].onLog) {
pLog->callbacks[iLog].onLog(pLog->callbacks[iLog].pUserData, level, pMessage);
}
}
}
ma_log_unlock(pLog);
return MA_SUCCESS;
}
#if defined(_MSC_VER) && _MSC_VER < 1900
static int ma_vscprintf(const ma_allocation_callbacks* pAllocationCallbacks, const char* format, va_list args)
{
#if _MSC_VER > 1200
return _vscprintf(format, args);
#else
int result;
char* pTempBuffer = NULL;
size_t tempBufferCap = 1024;
if (format == NULL) {
errno = EINVAL;
return -1;
}
for (;;) {
char* pNewTempBuffer = (char*)ma_realloc(pTempBuffer, tempBufferCap, pAllocationCallbacks);
if (pNewTempBuffer == NULL) {
ma_free(pTempBuffer, pAllocationCallbacks);
errno = ENOMEM;
return -1;
}
pTempBuffer = pNewTempBuffer;
result = _vsnprintf(pTempBuffer, tempBufferCap, format, args);
ma_free(pTempBuffer, NULL);
if (result != -1) {
break;
}
tempBufferCap *= 2;
}
return result;
#endif
}
#endif
MA_API ma_result ma_log_postv(ma_log* pLog, ma_uint32 level, const char* pFormat, va_list args)
{
if (pLog == NULL || pFormat == NULL) {
return MA_INVALID_ARGS;
}
#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || ((!defined(_MSC_VER) || _MSC_VER >= 1900) && !defined(__STRICT_ANSI__) && !defined(_NO_EXT_KEYS)) || (defined(__cplusplus) && __cplusplus >= 201103L)
{
ma_result result;
int length;
char pFormattedMessageStack[1024];
char* pFormattedMessageHeap = NULL;
va_list args2;
ma_va_copy(args2, args);
{
length = vsnprintf(pFormattedMessageStack, sizeof(pFormattedMessageStack), pFormat, args2);
}
va_end(args2);
if (length < 0) {
return MA_INVALID_OPERATION;
}
if ((size_t)length < sizeof(pFormattedMessageStack)) {
result = ma_log_post(pLog, level, pFormattedMessageStack);
} else {
pFormattedMessageHeap = (char*)ma_malloc(length + 1, &pLog->allocationCallbacks);
if (pFormattedMessageHeap == NULL) {
return MA_OUT_OF_MEMORY;
}
length = vsnprintf(pFormattedMessageHeap, length + 1, pFormat, args);
if (length < 0) {
ma_free(pFormattedMessageHeap, &pLog->allocationCallbacks);
return MA_INVALID_OPERATION;
}
result = ma_log_post(pLog, level, pFormattedMessageHeap);
ma_free(pFormattedMessageHeap, &pLog->allocationCallbacks);
}
return result;
}
#else
{
#if defined(_MSC_VER) && _MSC_VER >= 1200
{
ma_result result;
int formattedLen;
char* pFormattedMessage = NULL;
va_list args2;
ma_va_copy(args2, args);
{
formattedLen = ma_vscprintf(&pLog->allocationCallbacks, pFormat, args2);
}
va_end(args2);
if (formattedLen <= 0) {
return MA_INVALID_OPERATION;
}
pFormattedMessage = (char*)ma_malloc(formattedLen + 1, &pLog->allocationCallbacks);
if (pFormattedMessage == NULL) {
return MA_OUT_OF_MEMORY;
}
#if _MSC_VER >= 1400
{
vsprintf_s(pFormattedMessage, formattedLen + 1, pFormat, args);
}
#else
{
vsprintf(pFormattedMessage, pFormat, args);
}
#endif
result = ma_log_post(pLog, level, pFormattedMessage);
ma_free(pFormattedMessage, &pLog->allocationCallbacks);
return result;
}
#else
{
(void)level;
(void)args;
return MA_INVALID_OPERATION;
}
#endif
}
#endif
}
MA_API ma_result ma_log_postf(ma_log* pLog, ma_uint32 level, const char* pFormat, ...)
{
ma_result result;
va_list args;
if (pLog == NULL || pFormat == NULL) {
return MA_INVALID_ARGS;
}
va_start(args, pFormat);
{
result = ma_log_postv(pLog, level, pFormat, args);
}
va_end(args);
return result;
}
static MA_INLINE ma_uint8 ma_clip_u8(ma_int32 x)
{
return (ma_uint8)(ma_clamp(x, -128, 127) + 128);
}
static MA_INLINE ma_int16 ma_clip_s16(ma_int32 x)
{
return (ma_int16)ma_clamp(x, -32768, 32767);
}
static MA_INLINE ma_int64 ma_clip_s24(ma_int64 x)
{
return (ma_int64)ma_clamp(x, -8388608, 8388607);
}
static MA_INLINE ma_int32 ma_clip_s32(ma_int64 x)
{
ma_int64 clipMin;
ma_int64 clipMax;
clipMin = -((ma_int64)2147483647 + 1);
clipMax = (ma_int64)2147483647;
return (ma_int32)ma_clamp(x, clipMin, clipMax);
}
static MA_INLINE float ma_clip_f32(float x)
{
if (x < -1) return -1;
if (x > +1) return +1;
return x;
}
static MA_INLINE float ma_mix_f32(float x, float y, float a)
{
return x*(1-a) + y*a;
}
static MA_INLINE float ma_mix_f32_fast(float x, float y, float a)
{
float r0 = (y - x);
float r1 = r0*a;
return x + r1;
}
#if defined(MA_SUPPORT_SSE2)
static MA_INLINE __m128 ma_mix_f32_fast__sse2(__m128 x, __m128 y, __m128 a)
{
return _mm_add_ps(x, _mm_mul_ps(_mm_sub_ps(y, x), a));
}
#endif
#if defined(MA_SUPPORT_AVX2)
static MA_INLINE __m256 ma_mix_f32_fast__avx2(__m256 x, __m256 y, __m256 a)
{
return _mm256_add_ps(x, _mm256_mul_ps(_mm256_sub_ps(y, x), a));
}
#endif
#if defined(MA_SUPPORT_NEON)
static MA_INLINE float32x4_t ma_mix_f32_fast__neon(float32x4_t x, float32x4_t y, float32x4_t a)
{
return vaddq_f32(x, vmulq_f32(vsubq_f32(y, x), a));
}
#endif
static MA_INLINE double ma_mix_f64(double x, double y, double a)
{
return x*(1-a) + y*a;
}
static MA_INLINE double ma_mix_f64_fast(double x, double y, double a)
{
return x + (y - x)*a;
}
static MA_INLINE float ma_scale_to_range_f32(float x, float lo, float hi)
{
return lo + x*(hi-lo);
}
static MA_INLINE ma_uint32 ma_gcf_u32(ma_uint32 a, ma_uint32 b)
{
for (;;) {
if (b == 0) {
break;
} else {
ma_uint32 t = a;
a = b;
b = t % a;
}
}
return a;
}
static ma_uint32 ma_ffs_32(ma_uint32 x)
{
ma_uint32 i;
for (i = 0; i < 32; i += 1) {
if ((x & (1U << i)) != 0) {
return i;
}
}
return i;
}
static MA_INLINE ma_int16 ma_float_to_fixed_16(float x)
{
return (ma_int16)(x * (1 << 8));
}
#ifndef MA_DEFAULT_LCG_SEED
#define MA_DEFAULT_LCG_SEED 4321
#endif
#define MA_LCG_M 2147483647
#define MA_LCG_A 48271
#define MA_LCG_C 0
static ma_lcg g_maLCG = {MA_DEFAULT_LCG_SEED};
static MA_INLINE void ma_lcg_seed(ma_lcg* pLCG, ma_int32 seed)
{
MA_ASSERT(pLCG != NULL);
pLCG->state = seed;
}
static MA_INLINE ma_int32 ma_lcg_rand_s32(ma_lcg* pLCG)
{
pLCG->state = (MA_LCG_A * pLCG->state + MA_LCG_C) % MA_LCG_M;
return pLCG->state;
}
static MA_INLINE ma_uint32 ma_lcg_rand_u32(ma_lcg* pLCG)
{
return (ma_uint32)ma_lcg_rand_s32(pLCG);
}
static MA_INLINE ma_int16 ma_lcg_rand_s16(ma_lcg* pLCG)
{
return (ma_int16)(ma_lcg_rand_s32(pLCG) & 0xFFFF);
}
static MA_INLINE double ma_lcg_rand_f64(ma_lcg* pLCG)
{
return ma_lcg_rand_s32(pLCG) / (double)0x7FFFFFFF;
}
static MA_INLINE float ma_lcg_rand_f32(ma_lcg* pLCG)
{
return (float)ma_lcg_rand_f64(pLCG);
}
static MA_INLINE float ma_lcg_rand_range_f32(ma_lcg* pLCG, float lo, float hi)
{
return ma_scale_to_range_f32(ma_lcg_rand_f32(pLCG), lo, hi);
}
static MA_INLINE ma_int32 ma_lcg_rand_range_s32(ma_lcg* pLCG, ma_int32 lo, ma_int32 hi)
{
if (lo == hi) {
return lo;
}
return lo + ma_lcg_rand_u32(pLCG) / (0xFFFFFFFF / (hi - lo + 1) + 1);
}
#if 0
static MA_INLINE void ma_seed(ma_int32 seed)
{
ma_lcg_seed(&g_maLCG, seed);
}
static MA_INLINE ma_int32 ma_rand_s32(void)
{
return ma_lcg_rand_s32(&g_maLCG);
}
static MA_INLINE ma_uint32 ma_rand_u32(void)
{
return ma_lcg_rand_u32(&g_maLCG);
}
static MA_INLINE double ma_rand_f64(void)
{
return ma_lcg_rand_f64(&g_maLCG);
}
static MA_INLINE float ma_rand_f32(void)
{
return ma_lcg_rand_f32(&g_maLCG);
}
#endif
static MA_INLINE float ma_rand_range_f32(float lo, float hi)
{
return ma_lcg_rand_range_f32(&g_maLCG, lo, hi);
}
static MA_INLINE ma_int32 ma_rand_range_s32(ma_int32 lo, ma_int32 hi)
{
return ma_lcg_rand_range_s32(&g_maLCG, lo, hi);
}
static MA_INLINE float ma_dither_f32_rectangle(float ditherMin, float ditherMax)
{
return ma_rand_range_f32(ditherMin, ditherMax);
}
static MA_INLINE float ma_dither_f32_triangle(float ditherMin, float ditherMax)
{
float a = ma_rand_range_f32(ditherMin, 0);
float b = ma_rand_range_f32(0, ditherMax);
return a + b;
}
static MA_INLINE float ma_dither_f32(ma_dither_mode ditherMode, float ditherMin, float ditherMax)
{
if (ditherMode == ma_dither_mode_rectangle) {
return ma_dither_f32_rectangle(ditherMin, ditherMax);
}
if (ditherMode == ma_dither_mode_triangle) {
return ma_dither_f32_triangle(ditherMin, ditherMax);
}
return 0;
}
static MA_INLINE ma_int32 ma_dither_s32(ma_dither_mode ditherMode, ma_int32 ditherMin, ma_int32 ditherMax)
{
if (ditherMode == ma_dither_mode_rectangle) {
ma_int32 a = ma_rand_range_s32(ditherMin, ditherMax);
return a;
}
if (ditherMode == ma_dither_mode_triangle) {
ma_int32 a = ma_rand_range_s32(ditherMin, 0);
ma_int32 b = ma_rand_range_s32(0, ditherMax);
return a + b;
}
return 0;
}
#ifndef ma_atomic_h
#define ma_atomic_h
#if defined(__cplusplus)
extern "C" {
#endif
#if defined(__clang__) || (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)))
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wlong-long"
#if defined(__clang__)
#pragma GCC diagnostic ignored "-Wc++11-long-long"
#endif
#endif
typedef int ma_atomic_memory_order;
#if !defined(MA_ATOMIC_MODERN_MSVC) && \
!defined(MA_ATOMIC_LEGACY_MSVC) && \
!defined(MA_ATOMIC_LEGACY_MSVC_ASM) && \
!defined(MA_ATOMIC_MODERN_GCC) && \
!defined(MA_ATOMIC_LEGACY_GCC) && \
!defined(MA_ATOMIC_LEGACY_GCC_ASM)
#if defined(_MSC_VER) || defined(__WATCOMC__) || defined(__DMC__) || defined(__BORLANDC__)
#if (defined(_MSC_VER) && _MSC_VER > 1600)
#define MA_ATOMIC_MODERN_MSVC
#else
#if defined(MA_X64)
#define MA_ATOMIC_LEGACY_MSVC
#else
#define MA_ATOMIC_LEGACY_MSVC_ASM
#endif
#endif
#elif (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 7))) || defined(__clang__)
#define MA_ATOMIC_MODERN_GCC
#else
#if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1))
#define MA_ATOMIC_LEGACY_GCC
#else
#define MA_ATOMIC_LEGACY_GCC_ASM
#endif
#endif
#endif
#if defined(MA_ATOMIC_MODERN_MSVC) || defined(MA_ATOMIC_LEGACY_MSVC)
#include <intrin.h>
#define ma_atomic_memory_order_relaxed 1
#define ma_atomic_memory_order_consume 2
#define ma_atomic_memory_order_acquire 3
#define ma_atomic_memory_order_release 4
#define ma_atomic_memory_order_acq_rel 5
#define ma_atomic_memory_order_seq_cst 6
#define MA_ATOMIC_MSVC_ARM_INTRINSIC_NORETURN(dst, src, order, intrin, ma_atomicType, msvcType) \
switch (order) \
{ \
case ma_atomic_memory_order_relaxed: \
{ \
intrin##_nf((volatile msvcType*)dst, (msvcType)src); \
} break; \
case ma_atomic_memory_order_consume: \
case ma_atomic_memory_order_acquire: \
{ \
intrin##_acq((volatile msvcType*)dst, (msvcType)src); \
} break; \
case ma_atomic_memory_order_release: \
{ \
intrin##_rel((volatile msvcType*)dst, (msvcType)src); \
} break; \
case ma_atomic_memory_order_acq_rel: \
case ma_atomic_memory_order_seq_cst: \
default: \
{ \
intrin((volatile msvcType*)dst, (msvcType)src); \
} break; \
}
#define MA_ATOMIC_MSVC_ARM_INTRINSIC(dst, src, order, intrin, ma_atomicType, msvcType) \
ma_atomicType result; \
switch (order) \
{ \
case ma_atomic_memory_order_relaxed: \
{ \
result = (ma_atomicType)intrin##_nf((volatile msvcType*)dst, (msvcType)src); \
} break; \
case ma_atomic_memory_order_consume: \
case ma_atomic_memory_order_acquire: \
{ \
result = (ma_atomicType)intrin##_acq((volatile msvcType*)dst, (msvcType)src); \
} break; \
case ma_atomic_memory_order_release: \
{ \
result = (ma_atomicType)intrin##_rel((volatile msvcType*)dst, (msvcType)src); \
} break; \
case ma_atomic_memory_order_acq_rel: \
case ma_atomic_memory_order_seq_cst: \
default: \
{ \
result = (ma_atomicType)intrin((volatile msvcType*)dst, (msvcType)src); \
} break; \
} \
return result;
typedef ma_uint32 ma_atomic_flag;
static MA_INLINE ma_atomic_flag ma_atomic_flag_test_and_set_explicit(volatile ma_atomic_flag* dst, ma_atomic_memory_order order)
{
#if defined(MA_ARM)
{
MA_ATOMIC_MSVC_ARM_INTRINSIC(dst, 1, order, _InterlockedExchange, ma_atomic_flag, long);
}
#else
{
(void)order;
return (ma_atomic_flag)_InterlockedExchange((volatile long*)dst, (long)1);
}
#endif
}
static MA_INLINE void ma_atomic_flag_clear_explicit(volatile ma_atomic_flag* dst, ma_atomic_memory_order order)
{
#if defined(MA_ARM)
{
MA_ATOMIC_MSVC_ARM_INTRINSIC_NORETURN(dst, 0, order, _InterlockedExchange, ma_atomic_flag, long);
}
#else
{
(void)order;
_InterlockedExchange((volatile long*)dst, (long)0);
}
#endif
}
static MA_INLINE ma_atomic_flag ma_atomic_flag_load_explicit(volatile const ma_atomic_flag* dst, ma_atomic_memory_order order)
{
(void)order;
return (ma_uint32)_InterlockedCompareExchange((volatile long*)dst, 0, 0);
}
#endif
#if defined(MA_ATOMIC_LEGACY_MSVC_ASM)
#define ma_atomic_memory_order_relaxed 1
#define ma_atomic_memory_order_consume 2
#define ma_atomic_memory_order_acquire 3
#define ma_atomic_memory_order_release 4
#define ma_atomic_memory_order_acq_rel 5
#define ma_atomic_memory_order_seq_cst 6
typedef ma_uint32 ma_atomic_flag;
static MA_INLINE ma_atomic_flag ma_atomic_flag_test_and_set_explicit(volatile ma_atomic_flag* dst, ma_atomic_memory_order order)
{
ma_atomic_flag result = 0;
(void)order;
__asm {
mov ecx, dst
mov eax, 1
xchg [ecx], eax
mov result, eax
}
return result;
}
static MA_INLINE void ma_atomic_flag_clear_explicit(volatile ma_atomic_flag* dst, ma_atomic_memory_order order)
{
if (order == ma_atomic_memory_order_relaxed) {
__asm {
mov esi, dst
mov dword ptr [esi], 0
}
} else {
__asm {
mov esi, dst
mov eax, 0
xchg [esi], eax
}
}
}
static MA_INLINE ma_atomic_flag ma_atomic_flag_load_explicit(volatile const ma_atomic_flag* dst, ma_atomic_memory_order order)
{
ma_atomic_flag result = 0;
if (order == ma_atomic_memory_order_relaxed) {
__asm {
mov esi, dst
mov eax, [esi]
mov result, eax
}
} else if (order <= ma_atomic_memory_order_release) {
__asm {
mov esi, dst
mov eax, [esi]
lock add dword ptr [esp], 0
mov result, eax
}
} else {
__asm {
lock add dword ptr [esp], 0
mov esi, dst
mov eax, [esi]
mov result, eax
lock add dword ptr [esp], 0
}
}
return result;
}
#endif
#if defined(MA_ATOMIC_MODERN_GCC)
#define ma_atomic_memory_order_relaxed __ATOMIC_RELAXED
#define ma_atomic_memory_order_consume __ATOMIC_CONSUME
#define ma_atomic_memory_order_acquire __ATOMIC_ACQUIRE
#define ma_atomic_memory_order_release __ATOMIC_RELEASE
#define ma_atomic_memory_order_acq_rel __ATOMIC_ACQ_REL
#define ma_atomic_memory_order_seq_cst __ATOMIC_SEQ_CST
typedef ma_uint32 ma_atomic_flag;
#define ma_atomic_flag_test_and_set_explicit(dst, order) __atomic_exchange_n(dst, 1, order)
#define ma_atomic_flag_clear_explicit(dst, order) __atomic_store_n(dst, 0, order)
#define ma_atomic_flag_load_explicit(dst, order) __atomic_load_n(dst, order)
#endif
#if defined(MA_ATOMIC_LEGACY_GCC)
#define ma_atomic_memory_order_relaxed 1
#define ma_atomic_memory_order_consume 2
#define ma_atomic_memory_order_acquire 3
#define ma_atomic_memory_order_release 4
#define ma_atomic_memory_order_acq_rel 5
#define ma_atomic_memory_order_seq_cst 6
typedef ma_uint32 ma_atomic_flag;
static MA_INLINE ma_atomic_flag ma_atomic_flag_test_and_set_explicit(volatile ma_atomic_flag* dst, ma_atomic_memory_order order)
{
if (order > ma_atomic_memory_order_acquire) {
__sync_synchronize();
}
return __sync_lock_test_and_set(dst, 1);
}
static MA_INLINE void ma_atomic_flag_clear_explicit(volatile ma_atomic_flag* dst, ma_atomic_memory_order order)
{
if (order > ma_atomic_memory_order_release) {
__sync_synchronize();
}
__sync_lock_release(dst);
}
static MA_INLINE ma_atomic_flag ma_atomic_flag_load_explicit(volatile const ma_atomic_flag* dst, ma_atomic_memory_order order)
{
(void)order;
return __sync_val_compare_and_swap((ma_atomic_flag*)dst, 0, 0);
}
#endif
#if defined(MA_ATOMIC_LEGACY_GCC_ASM)
#define ma_atomic_memory_order_relaxed 1
#define ma_atomic_memory_order_consume 2
#define ma_atomic_memory_order_acquire 3
#define ma_atomic_memory_order_release 4
#define ma_atomic_memory_order_acq_rel 5
#define ma_atomic_memory_order_seq_cst 6
#if defined(MA_X86)
#define ma_atomic_thread_fence(order) __asm__ __volatile__("lock; addl $0, (%%esp)" ::: "memory")
#elif defined(MA_X64)
#define ma_atomic_thread_fence(order) __asm__ __volatile__("lock; addq $0, (%%rsp)" ::: "memory")
#else
#error Unsupported architecture.
#endif
#define MA_ATOMIC_XCHG_GCC_X86(instructionSizeSuffix, result, dst, src) \
__asm__ __volatile__( \
"xchg"instructionSizeSuffix" %0, %1" \
: "=r"(result), \
"=m"(*dst) \
: "0"(src), \
"m"(*dst) \
: "memory" \
)
#define MA_ATOMIC_LOAD_RELAXED_GCC_X86(instructionSizeSuffix, result, dst) \
__asm__ __volatile__( \
"mov"instructionSizeSuffix" %1, %0" \
: "=r"(result) \
: "m"(*dst) \
)
#define MA_ATOMIC_LOAD_RELEASE_GCC_X86(instructionSizeSuffix, result, dst) \
ma_atomic_thread_fence(ma_atomic_memory_order_release); \
__asm__ __volatile__( \
"mov"instructionSizeSuffix" %1, %0" \
: "=r"(result) \
: "m"(*dst) \
: "memory" \
)
#define MA_ATOMIC_LOAD_SEQ_CST_GCC_X86(instructionSizeSuffix, result, dst) \
ma_atomic_thread_fence(ma_atomic_memory_order_seq_cst); \
__asm__ __volatile__( \
"mov"instructionSizeSuffix" %1, %0" \
: "=r"(result) \
: "m"(*dst) \
: "memory" \
); \
ma_atomic_thread_fence(ma_atomic_memory_order_seq_cst)
typedef ma_uint32 ma_atomic_flag;
static MA_INLINE ma_atomic_flag ma_atomic_flag_test_and_set_explicit(volatile ma_atomic_flag* dst, ma_atomic_memory_order order)
{
ma_atomic_flag result;
#if defined(MA_X86) || defined(MA_X64)
{
(void)order;
MA_ATOMIC_XCHG_GCC_X86("l", result, dst, 1);
}
#else
{
#error Unsupported architecture.
}
#endif
return result;
}
static MA_INLINE void ma_atomic_flag_clear_explicit(volatile ma_atomic_flag* dst, ma_atomic_memory_order order)
{
#if defined(MA_X86) || defined(MA_X64)
{
if (order == ma_atomic_memory_order_relaxed) {
__asm__ __volatile__(
"movl $0, %0"
: "=m"(*dst)
);
} else if (order == ma_atomic_memory_order_release) {
__asm__ __volatile__(
"movl $0, %0"
: "=m"(*dst)
:
: "memory"
);
} else {
ma_atomic_flag tmp = 0;
__asm__ __volatile__(
"xchgl %0, %1"
: "=r"(tmp),
"=m"(*dst)
: "0"(tmp),
"m"(*dst)
: "memory"
);
}
}
#else
{
#error Unsupported architecture.
}
#endif
}
static MA_INLINE ma_atomic_flag ma_atomic_flag_load_explicit(volatile const ma_atomic_flag* dst, ma_atomic_memory_order order)
{
#if defined(MA_X86) || defined(MA_X64)
{
ma_atomic_flag result;
if (order == ma_atomic_memory_order_relaxed) {
MA_ATOMIC_LOAD_RELAXED_GCC_X86("l", result, dst);
} else if (order <= ma_atomic_memory_order_release) {
MA_ATOMIC_LOAD_RELEASE_GCC_X86("l", result, dst);
} else {
MA_ATOMIC_LOAD_SEQ_CST_GCC_X86("l", result, dst);
}
return result;
}
#else
{
#error Unsupported architecture.
}
#endif
}
#endif
#define ma_atomic_flag_test_and_set(dst) ma_atomic_flag_test_and_set_explicit(dst, ma_atomic_memory_order_acquire)
#define ma_atomic_flag_clear(dst) ma_atomic_flag_clear_explicit(dst, ma_atomic_memory_order_release)
typedef ma_atomic_flag ma_atomic_spinlock;
static MA_INLINE void ma_atomic_spinlock_lock(volatile ma_atomic_spinlock* pSpinlock)
{
for (;;) {
if (ma_atomic_flag_test_and_set_explicit(pSpinlock, ma_atomic_memory_order_acquire) == 0) {
break;
}
while (ma_atomic_flag_load_explicit(pSpinlock, ma_atomic_memory_order_relaxed) == 1) {
}
}
}
static MA_INLINE void ma_atomic_spinlock_unlock(volatile ma_atomic_spinlock* pSpinlock)
{
ma_atomic_flag_clear_explicit(pSpinlock, ma_atomic_memory_order_release);
}
ma_atomic_spinlock ma_atomic_global_lock;
#if defined(MA_ATOMIC_MODERN_MSVC) || defined(MA_ATOMIC_LEGACY_MSVC) || defined(MA_ATOMIC_LEGACY_MSVC_ASM) || defined(MA_ATOMIC_LEGACY_GCC) || defined(MA_ATOMIC_LEGACY_GCC_ASM)
#if defined(MA_X64) || (defined(MA_X86) && ((defined(__GNUC__) && defined(__i486__)) || (defined(_M_IX86) && _M_IX86 >= 400)))
#if defined(MA_ATOMIC_LEGACY_MSVC) && defined(MA_X64)
#else
#define MA_ATOMIC_IS_LOCK_FREE_8 1
#define MA_ATOMIC_IS_LOCK_FREE_16 1
#endif
#define MA_ATOMIC_IS_LOCK_FREE_32 1
#if defined(MA_X64) || (defined(MA_X86) && ((defined(__GNUC__) && defined(__i586__)) || (defined(_M_IX86) && _M_IX86 >= 500)))
#define MA_ATOMIC_IS_LOCK_FREE_64 1
#else
#endif
#else
#endif
#if defined(MA_ARM32) || defined(MA_ARM64)
#define MA_ATOMIC_IS_LOCK_FREE_8 1
#define MA_ATOMIC_IS_LOCK_FREE_16 1
#define MA_ATOMIC_IS_LOCK_FREE_32 1
#if defined(MA_ARM64) || defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__)
#define MA_ATOMIC_IS_LOCK_FREE_64 1
#endif
#endif
#if defined(MA_ATOMIC_PPC32) || defined(MA_ATOMIC_PPC64)
#if (defined(__GNUC__) && (__GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 7))) && !defined(__clang__)
#else
#define MA_ATOMIC_IS_LOCK_FREE_8 1
#define MA_ATOMIC_IS_LOCK_FREE_16 1
#endif
#define MA_ATOMIC_IS_LOCK_FREE_32 1
#if defined(MA_ATOMIC_PPC64)
#define MA_ATOMIC_IS_LOCK_FREE_64 1
#endif
#endif
static MA_INLINE ma_bool32 ma_atomic_is_lock_free_8(volatile void* ptr)
{
(void)ptr;
#if defined(MA_ATOMIC_IS_LOCK_FREE_8)
return 1;
#else
return 0;
#endif
}
static MA_INLINE ma_bool32 ma_atomic_is_lock_free_16(volatile void* ptr)
{
(void)ptr;
#if defined(MA_ATOMIC_IS_LOCK_FREE_16)
return 1;
#else
return 0;
#endif
}
static MA_INLINE ma_bool32 ma_atomic_is_lock_free_32(volatile void* ptr)
{
(void)ptr;
#if defined(MA_ATOMIC_IS_LOCK_FREE_32)
return 1;
#else
return 0;
#endif
}
static MA_INLINE ma_bool32 ma_atomic_is_lock_free_64(volatile void* ptr)
{
(void)ptr;
#if defined(MA_ATOMIC_IS_LOCK_FREE_64)
return 1;
#else
return 0;
#endif
}
#endif
#define MA_ATOMIC_COMPARE_AND_SWAP_LOCK(sizeInBits, dst, expected, replacement) \
ma_uint##sizeInBits result; \
ma_atomic_spinlock_lock(&ma_atomic_global_lock); \
{ \
result = *dst; \
if (result == expected) { \
*dst = replacement; \
} \
} \
ma_atomic_spinlock_unlock(&ma_atomic_global_lock); \
return result
#define MA_ATOMIC_LOAD_EXPLICIT_LOCK(sizeInBits, ptr, order) \
ma_uint##sizeInBits result; \
ma_atomic_spinlock_lock(&ma_atomic_global_lock); \
{ \
result = *ptr; \
(void)order; \
} \
ma_atomic_spinlock_unlock(&ma_atomic_global_lock); \
return result
#define MA_ATOMIC_STORE_EXPLICIT_LOCK(sizeInBits, dst, src, order) \
ma_atomic_spinlock_lock(&ma_atomic_global_lock); \
{ \
*dst = src; \
(void)order; \
} \
ma_atomic_spinlock_unlock(&ma_atomic_global_lock)
#define MA_ATOMIC_STORE_EXPLICIT_CAS(sizeInBits, dst, src, order) \
ma_uint##sizeInBits oldValue; \
do { \
oldValue = ma_atomic_load_explicit_##sizeInBits(dst, ma_atomic_memory_order_relaxed); \
} while (ma_atomic_compare_and_swap_##sizeInBits(dst, oldValue, src) != oldValue); \
(void)order
#define MA_ATOMIC_EXCHANGE_EXPLICIT_LOCK(sizeInBits, dst, src, order) \
ma_uint##sizeInBits result; \
ma_atomic_spinlock_lock(&ma_atomic_global_lock); \
{ \
result = *dst; \
*dst = src; \
(void)order; \
} \
ma_atomic_spinlock_unlock(&ma_atomic_global_lock); \
return result
#define MA_ATOMIC_EXCHANGE_EXPLICIT_CAS(sizeInBits, dst, src, order) \
ma_uint##sizeInBits oldValue; \
do { \
oldValue = ma_atomic_load_explicit_##sizeInBits(dst, ma_atomic_memory_order_relaxed); \
} while (ma_atomic_compare_and_swap_##sizeInBits(dst, oldValue, src) != oldValue); \
(void)order; \
return oldValue
#define MA_ATOMIC_FETCH_ADD_LOCK(sizeInBits, dst, src, order) \
ma_uint##sizeInBits result; \
ma_atomic_spinlock_lock(&ma_atomic_global_lock); \
{ \
result = *dst; \
*dst += src; \
(void)order; \
} \
ma_atomic_spinlock_unlock(&ma_atomic_global_lock); \
return result
#define MA_ATOMIC_FETCH_ADD_CAS(sizeInBits, dst, src, order) \
ma_uint##sizeInBits oldValue; \
ma_uint##sizeInBits newValue; \
do { \
oldValue = ma_atomic_load_explicit_##sizeInBits(dst, ma_atomic_memory_order_relaxed); \
newValue = oldValue + src; \
} while (ma_atomic_compare_and_swap_##sizeInBits(dst, oldValue, newValue) != oldValue); \
(void)order; \
return oldValue
#define MA_ATOMIC_FETCH_AND_CAS(sizeInBits, dst, src, order) \
ma_uint##sizeInBits oldValue; \
ma_uint##sizeInBits newValue; \
do { \
oldValue = ma_atomic_load_explicit_##sizeInBits(dst, ma_atomic_memory_order_relaxed); \
newValue = (ma_uint##sizeInBits)(oldValue & src); \
} while (ma_atomic_compare_and_swap_##sizeInBits(dst, oldValue, newValue) != oldValue); \
(void)order; \
return oldValue
#define MA_ATOMIC_FETCH_OR_CAS(sizeInBits, dst, src, order) \
ma_uint##sizeInBits oldValue; \
ma_uint##sizeInBits newValue; \
do { \
oldValue = ma_atomic_load_explicit_##sizeInBits(dst, ma_atomic_memory_order_relaxed); \
newValue = (ma_uint##sizeInBits)(oldValue | src); \
} while (ma_atomic_compare_and_swap_##sizeInBits(dst, oldValue, newValue) != oldValue); \
(void)order; \
return oldValue
#define MA_ATOMIC_FETCH_XOR_CAS(sizeInBits, dst, src, order) \
ma_uint##sizeInBits oldValue; \
ma_uint##sizeInBits newValue; \
do { \
oldValue = ma_atomic_load_explicit_##sizeInBits(dst, ma_atomic_memory_order_relaxed); \
newValue = (ma_uint##sizeInBits)(oldValue ^ src); \
} while (ma_atomic_compare_and_swap_##sizeInBits(dst, oldValue, newValue) != oldValue); \
(void)order; \
return oldValue
#if defined(MA_ATOMIC_MODERN_MSVC) || defined(MA_ATOMIC_LEGACY_MSVC)
#define MA_ATOMIC_MSVC_ARM_INTRINSIC_COMPARE_EXCHANGE(ptr, expected, replacement, order, intrin, ma_atomicType, msvcType) \
ma_atomicType result; \
switch (order) \
{ \
case ma_atomic_memory_order_relaxed: \
{ \
result = (ma_atomicType)intrin##_nf((volatile msvcType*)ptr, (msvcType)expected, (msvcType)replacement); \
} break; \
case ma_atomic_memory_order_consume: \
case ma_atomic_memory_order_acquire: \
{ \
result = (ma_atomicType)intrin##_acq((volatile msvcType*)ptr, (msvcType)expected, (msvcType)replacement); \
} break; \
case ma_atomic_memory_order_release: \
{ \
result = (ma_atomicType)intrin##_rel((volatile msvcType*)ptr, (msvcType)expected, (msvcType)replacement); \
} break; \
case ma_atomic_memory_order_acq_rel: \
case ma_atomic_memory_order_seq_cst: \
default: \
{ \
result = (ma_atomicType)intrin((volatile msvcType*)ptr, (msvcType)expected, (msvcType)replacement); \
} break; \
} \
return result;
#if defined(MA_ATOMIC_IS_LOCK_FREE_8)
#define ma_atomic_compare_and_swap_8( dst, expected, replacement) (ma_uint8 )_InterlockedCompareExchange8((volatile char*)dst, (char)replacement, (char)expected)
#else
static MA_INLINE ma_uint8 __stdcall ma_atomic_compare_and_swap_8(volatile ma_uint8* dst, ma_uint8 expected, ma_uint8 replacement)
{
MA_ATOMIC_COMPARE_AND_SWAP_LOCK(8, dst, expected, replacement);
}
#endif
#if defined(MA_ATOMIC_IS_LOCK_FREE_16)
#define ma_atomic_compare_and_swap_16(dst, expected, replacement) (ma_uint16)_InterlockedCompareExchange16((volatile short*)dst, (short)replacement, (short)expected)
#else
static MA_INLINE ma_uint16 __stdcall ma_atomic_compare_and_swap_16(volatile ma_uint16* dst, ma_uint16 expected, ma_uint16 replacement)
{
MA_ATOMIC_COMPARE_AND_SWAP_LOCK(16, dst, expected, replacement);
}
#endif
#if defined(MA_ATOMIC_IS_LOCK_FREE_32)
#define ma_atomic_compare_and_swap_32(dst, expected, replacement) (ma_uint32)_InterlockedCompareExchange((volatile long*)dst, (long)replacement, (long)expected)
#else
static MA_INLINE ma_uint32 __stdcall ma_atomic_compare_and_swap_32(volatile ma_uint32* dst, ma_uint32 expected, ma_uint32 replacement)
{
MA_ATOMIC_COMPARE_AND_SWAP_LOCK(32, dst, expected, replacement);
}
#endif
#if defined(MA_ATOMIC_IS_LOCK_FREE_32)
#define ma_atomic_compare_and_swap_64(dst, expected, replacement) (ma_uint64)_InterlockedCompareExchange64((volatile ma_int64*)dst, (ma_int64)replacement, (ma_int64)expected)
#else
static MA_INLINE ma_uint64 __stdcall ma_atomic_compare_and_swap_64(volatile ma_uint64* dst, ma_uint64 expected, ma_uint64 replacement)
{
MA_ATOMIC_COMPARE_AND_SWAP_LOCK(64, dst, expected, replacement);
}
#endif
static MA_INLINE ma_uint8 ma_atomic_load_explicit_8(volatile const ma_uint8* ptr, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_8)
{
#if defined(MA_ARM)
{
MA_ATOMIC_MSVC_ARM_INTRINSIC_COMPARE_EXCHANGE(ptr, 0, 0, order, _InterlockedCompareExchange8, ma_uint8, char);
}
#else
{
(void)order;
return ma_atomic_compare_and_swap_8((volatile ma_uint8*)ptr, 0, 0);
}
#endif
}
#else
{
MA_ATOMIC_LOAD_EXPLICIT_LOCK(8, ptr, order);
}
#endif
}
static MA_INLINE ma_uint16 ma_atomic_load_explicit_16(volatile const ma_uint16* ptr, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_16)
{
#if defined(MA_ARM)
{
MA_ATOMIC_MSVC_ARM_INTRINSIC_COMPARE_EXCHANGE(ptr, 0, 0, order, _InterlockedCompareExchange16, ma_uint16, short);
}
#else
{
(void)order;
return ma_atomic_compare_and_swap_16((volatile ma_uint16*)ptr, 0, 0);
}
#endif
}
#else
{
MA_ATOMIC_LOAD_EXPLICIT_LOCK(16, ptr, order);
}
#endif
}
static MA_INLINE ma_uint32 ma_atomic_load_explicit_32(volatile const ma_uint32* ptr, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_32)
{
#if defined(MA_ARM)
{
MA_ATOMIC_MSVC_ARM_INTRINSIC_COMPARE_EXCHANGE(ptr, 0, 0, order, _InterlockedCompareExchange, ma_uint32, long);
}
#else
{
(void)order;
return ma_atomic_compare_and_swap_32((volatile ma_uint32*)ptr, 0, 0);
}
#endif
}
#else
{
MA_ATOMIC_LOAD_EXPLICIT_LOCK(32, ptr, order);
}
#endif
}
static MA_INLINE ma_uint64 ma_atomic_load_explicit_64(volatile const ma_uint64* ptr, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_32)
{
#if defined(MA_ARM)
{
MA_ATOMIC_MSVC_ARM_INTRINSIC_COMPARE_EXCHANGE(ptr, 0, 0, order, _InterlockedCompareExchange64, ma_uint64, long long);
}
#else
{
(void)order;
return ma_atomic_compare_and_swap_64((volatile ma_uint64*)ptr, 0, 0);
}
#endif
}
#else
{
MA_ATOMIC_LOAD_EXPLICIT_LOCK(64, ptr, order);
}
#endif
}
static MA_INLINE ma_uint8 __stdcall ma_atomic_exchange_explicit_8(volatile ma_uint8* dst, ma_uint8 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_8)
{
#if defined(MA_ARM)
{
MA_ATOMIC_MSVC_ARM_INTRINSIC(dst, src, order, _InterlockedExchange8, ma_uint8, char);
}
#else
{
(void)order;
return (ma_uint8)_InterlockedExchange8((volatile char*)dst, (char)src);
}
#endif
}
#else
{
MA_ATOMIC_EXCHANGE_EXPLICIT_LOCK(8, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint16 __stdcall ma_atomic_exchange_explicit_16(volatile ma_uint16* dst, ma_uint16 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_16)
{
#if defined(MA_ARM)
{
MA_ATOMIC_MSVC_ARM_INTRINSIC(dst, src, order, _InterlockedExchange16, ma_uint16, short);
}
#else
{
(void)order;
return (ma_uint16)_InterlockedExchange16((volatile short*)dst, (short)src);
}
#endif
}
#else
{
MA_ATOMIC_EXCHANGE_EXPLICIT_LOCK(16, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint32 __stdcall ma_atomic_exchange_explicit_32(volatile ma_uint32* dst, ma_uint32 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_32)
{
#if defined(MA_ARM)
{
MA_ATOMIC_MSVC_ARM_INTRINSIC(dst, src, order, _InterlockedExchange, ma_uint32, long);
}
#else
{
(void)order;
return (ma_uint32)_InterlockedExchange((volatile long*)dst, (long)src);
}
#endif
}
#else
{
MA_ATOMIC_EXCHANGE_EXPLICIT_LOCK(32, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint64 __stdcall ma_atomic_exchange_explicit_64(volatile ma_uint64* dst, ma_uint64 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_64)
{
#if defined(MA_32BIT)
{
MA_ATOMIC_EXCHANGE_EXPLICIT_CAS(64, dst, src, order);
}
#else
{
#if defined(MA_ARM)
{
MA_ATOMIC_MSVC_ARM_INTRINSIC(dst, src, order, _InterlockedExchange64, ma_uint64, long long);
}
#else
{
(void)order;
return (ma_uint64)_InterlockedExchange64((volatile long long*)dst, (long long)src);
}
#endif
}
#endif
}
#else
{
MA_ATOMIC_EXCHANGE_EXPLICIT_LOCK(64, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint8 __stdcall ma_atomic_fetch_add_explicit_8(volatile ma_uint8* dst, ma_uint8 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_8)
{
#if defined(MA_ARM)
{
MA_ATOMIC_MSVC_ARM_INTRINSIC(dst, src, order, _InterlockedExchangeAdd8, ma_uint8, char);
}
#else
{
(void)order;
return (ma_uint8)_InterlockedExchangeAdd8((volatile char*)dst, (char)src);
}
#endif
}
#else
{
MA_ATOMIC_FETCH_ADD_LOCK(8, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint16 __stdcall ma_atomic_fetch_add_explicit_16(volatile ma_uint16* dst, ma_uint16 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_16)
{
#if defined(MA_ARM)
{
MA_ATOMIC_MSVC_ARM_INTRINSIC(dst, src, order, _InterlockedExchangeAdd16, ma_uint16, short);
}
#else
{
(void)order;
return (ma_uint16)_InterlockedExchangeAdd16((volatile short*)dst, (short)src);
}
#endif
}
#else
{
MA_ATOMIC_FETCH_ADD_LOCK(16, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint32 __stdcall ma_atomic_fetch_add_explicit_32(volatile ma_uint32* dst, ma_uint32 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_32)
{
#if defined(MA_ARM)
{
MA_ATOMIC_MSVC_ARM_INTRINSIC(dst, src, order, _InterlockedExchangeAdd, ma_uint32, long);
}
#else
{
(void)order;
return (ma_uint32)_InterlockedExchangeAdd((volatile long*)dst, (long)src);
}
#endif
}
#else
{
MA_ATOMIC_FETCH_ADD_LOCK(32, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint64 __stdcall ma_atomic_fetch_add_explicit_64(volatile ma_uint64* dst, ma_uint64 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_64)
{
#if defined(MA_32BIT)
{
MA_ATOMIC_FETCH_ADD_CAS(64, dst, src, order);
}
#else
{
#if defined(MA_ARM)
{
MA_ATOMIC_MSVC_ARM_INTRINSIC(dst, src, order, _InterlockedExchangeAdd64, ma_uint64, long long);
}
#else
{
(void)order;
return (ma_uint64)_InterlockedExchangeAdd64((volatile long long*)dst, (long long)src);
}
#endif
}
#endif
}
#else
{
MA_ATOMIC_FETCH_ADD_LOCK(64, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint8 __stdcall ma_atomic_fetch_sub_explicit_8(volatile ma_uint8* dst, ma_uint8 src, ma_atomic_memory_order order)
{
return ma_atomic_fetch_add_explicit_8(dst, (ma_uint8)(-(ma_int8)src), order);
}
static MA_INLINE ma_uint16 __stdcall ma_atomic_fetch_sub_explicit_16(volatile ma_uint16* dst, ma_uint16 src, ma_atomic_memory_order order)
{
return ma_atomic_fetch_add_explicit_16(dst, (ma_uint16)(-(ma_int16)src), order);
}
static MA_INLINE ma_uint32 __stdcall ma_atomic_fetch_sub_explicit_32(volatile ma_uint32* dst, ma_uint32 src, ma_atomic_memory_order order)
{
return ma_atomic_fetch_add_explicit_32(dst, (ma_uint32)(-(ma_int32)src), order);
}
static MA_INLINE ma_uint64 __stdcall ma_atomic_fetch_sub_explicit_64(volatile ma_uint64* dst, ma_uint64 src, ma_atomic_memory_order order)
{
return ma_atomic_fetch_add_explicit_64(dst, (ma_uint64)(-(ma_int64)src), order);
}
static MA_INLINE ma_uint8 __stdcall ma_atomic_fetch_and_explicit_8(volatile ma_uint8* dst, ma_uint8 src, ma_atomic_memory_order order)
{
#if defined(MA_ARM)
{
MA_ATOMIC_MSVC_ARM_INTRINSIC(dst, src, order, _InterlockedAnd8, ma_uint8, char);
}
#else
{
MA_ATOMIC_FETCH_AND_CAS(8, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint16 __stdcall ma_atomic_fetch_and_explicit_16(volatile ma_uint16* dst, ma_uint16 src, ma_atomic_memory_order order)
{
#if defined(MA_ARM)
{
MA_ATOMIC_MSVC_ARM_INTRINSIC(dst, src, order, _InterlockedAnd16, ma_uint16, short);
}
#else
{
MA_ATOMIC_FETCH_AND_CAS(16, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint32 __stdcall ma_atomic_fetch_and_explicit_32(volatile ma_uint32* dst, ma_uint32 src, ma_atomic_memory_order order)
{
#if defined(MA_ARM)
{
MA_ATOMIC_MSVC_ARM_INTRINSIC(dst, src, order, _InterlockedAnd, ma_uint32, long);
}
#else
{
MA_ATOMIC_FETCH_AND_CAS(32, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint64 __stdcall ma_atomic_fetch_and_explicit_64(volatile ma_uint64* dst, ma_uint64 src, ma_atomic_memory_order order)
{
#if defined(MA_ARM)
{
MA_ATOMIC_MSVC_ARM_INTRINSIC(dst, src, order, _InterlockedAnd64, ma_uint64, long long);
}
#else
{
MA_ATOMIC_FETCH_AND_CAS(64, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint8 __stdcall ma_atomic_fetch_or_explicit_8(volatile ma_uint8* dst, ma_uint8 src, ma_atomic_memory_order order)
{
#if defined(MA_ARM)
{
MA_ATOMIC_MSVC_ARM_INTRINSIC(dst, src, order, _InterlockedOr8, ma_uint8, char);
}
#else
{
MA_ATOMIC_FETCH_OR_CAS(8, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint16 __stdcall ma_atomic_fetch_or_explicit_16(volatile ma_uint16* dst, ma_uint16 src, ma_atomic_memory_order order)
{
#if defined(MA_ARM)
{
MA_ATOMIC_MSVC_ARM_INTRINSIC(dst, src, order, _InterlockedOr16, ma_uint16, short);
}
#else
{
MA_ATOMIC_FETCH_OR_CAS(16, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint32 __stdcall ma_atomic_fetch_or_explicit_32(volatile ma_uint32* dst, ma_uint32 src, ma_atomic_memory_order order)
{
#if defined(MA_ARM)
{
MA_ATOMIC_MSVC_ARM_INTRINSIC(dst, src, order, _InterlockedOr, ma_uint32, long);
}
#else
{
MA_ATOMIC_FETCH_OR_CAS(32, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint64 __stdcall ma_atomic_fetch_or_explicit_64(volatile ma_uint64* dst, ma_uint64 src, ma_atomic_memory_order order)
{
#if defined(MA_ARM)
{
MA_ATOMIC_MSVC_ARM_INTRINSIC(dst, src, order, _InterlockedOr64, ma_uint64, long long);
}
#else
{
MA_ATOMIC_FETCH_OR_CAS(64, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint8 __stdcall ma_atomic_fetch_xor_explicit_8(volatile ma_uint8* dst, ma_uint8 src, ma_atomic_memory_order order)
{
#if defined(MA_ARM)
{
MA_ATOMIC_MSVC_ARM_INTRINSIC(dst, src, order, _InterlockedXor8, ma_uint8, char);
}
#else
{
MA_ATOMIC_FETCH_XOR_CAS(8, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint16 __stdcall ma_atomic_fetch_xor_explicit_16(volatile ma_uint16* dst, ma_uint16 src, ma_atomic_memory_order order)
{
#if defined(MA_ARM)
{
MA_ATOMIC_MSVC_ARM_INTRINSIC(dst, src, order, _InterlockedXor16, ma_uint16, short);
}
#else
{
MA_ATOMIC_FETCH_XOR_CAS(16, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint32 __stdcall ma_atomic_fetch_xor_explicit_32(volatile ma_uint32* dst, ma_uint32 src, ma_atomic_memory_order order)
{
#if defined(MA_ARM)
{
MA_ATOMIC_MSVC_ARM_INTRINSIC(dst, src, order, _InterlockedXor, ma_uint32, long);
}
#else
{
MA_ATOMIC_FETCH_XOR_CAS(32, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint64 __stdcall ma_atomic_fetch_xor_explicit_64(volatile ma_uint64* dst, ma_uint64 src, ma_atomic_memory_order order)
{
#if defined(MA_ARM)
{
MA_ATOMIC_MSVC_ARM_INTRINSIC(dst, src, order, _InterlockedXor64, ma_uint64, long long);
}
#else
{
MA_ATOMIC_FETCH_XOR_CAS(64, dst, src, order);
}
#endif
}
#define ma_atomic_store_explicit_8( dst, src, order) (void)ma_atomic_exchange_explicit_8 (dst, src, order)
#define ma_atomic_store_explicit_16(dst, src, order) (void)ma_atomic_exchange_explicit_16(dst, src, order)
#define ma_atomic_store_explicit_32(dst, src, order) (void)ma_atomic_exchange_explicit_32(dst, src, order)
#define ma_atomic_store_explicit_64(dst, src, order) (void)ma_atomic_exchange_explicit_64(dst, src, order)
#if defined(MA_X64)
#define ma_atomic_thread_fence(order) __faststorefence(), (void)order
#elif defined(MA_ARM64)
#define ma_atomic_thread_fence(order) __dmb(_ARM64_BARRIER_ISH), (void)order
#else
static MA_INLINE void ma_atomic_thread_fence(ma_atomic_memory_order order)
{
volatile ma_uint32 barrier = 0;
ma_atomic_fetch_add_explicit_32(&barrier, 0, order);
}
#endif
#define ma_atomic_signal_fence(order) _ReadWriteBarrier(), (void)order
#endif
#if defined(MA_ATOMIC_LEGACY_MSVC_ASM)
static MA_INLINE ma_uint8 __stdcall ma_atomic_compare_and_swap_8(volatile ma_uint8* dst, ma_uint8 expected, ma_uint8 replacement)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_8)
{
ma_uint8 result = 0;
__asm {
mov ecx, dst
mov al, expected
mov dl, replacement
lock cmpxchg [ecx], dl
mov result, al
}
return result;
}
#else
{
MA_ATOMIC_COMPARE_AND_SWAP_LOCK(8, dst, expected, replacement);
}
#endif
}
static MA_INLINE ma_uint16 __stdcall ma_atomic_compare_and_swap_16(volatile ma_uint16* dst, ma_uint16 expected, ma_uint16 replacement)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_16)
{
ma_uint16 result = 0;
__asm {
mov ecx, dst
mov ax, expected
mov dx, replacement
lock cmpxchg [ecx], dx
mov result, ax
}
return result;
}
#else
{
MA_ATOMIC_COMPARE_AND_SWAP_LOCK(16, dst, expected, replacement);
}
#endif
}
static MA_INLINE ma_uint32 __stdcall ma_atomic_compare_and_swap_32(volatile ma_uint32* dst, ma_uint32 expected, ma_uint32 replacement)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_32)
{
ma_uint32 result = 0;
__asm {
mov ecx, dst
mov eax, expected
mov edx, replacement
lock cmpxchg [ecx], edx
mov result, eax
}
return result;
}
#else
{
MA_ATOMIC_COMPARE_AND_SWAP_LOCK(32, dst, expected, replacement);
}
#endif
}
static MA_INLINE ma_uint64 __stdcall ma_atomic_compare_and_swap_64(volatile ma_uint64* dst, ma_uint64 expected, ma_uint64 replacement)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_64)
{
ma_uint32 resultEAX = 0;
ma_uint32 resultEDX = 0;
__asm {
mov esi, dst
mov eax, dword ptr expected
mov edx, dword ptr expected + 4
mov ebx, dword ptr replacement
mov ecx, dword ptr replacement + 4
lock cmpxchg8b qword ptr [esi]
mov resultEAX, eax
mov resultEDX, edx
}
return ((ma_uint64)resultEDX << 32) | resultEAX;
}
#else
{
MA_ATOMIC_COMPARE_AND_SWAP_LOCK(64, dst, expected, replacement);
}
#endif
}
static MA_INLINE ma_uint8 ma_atomic_load_explicit_8(volatile const ma_uint8* dst, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_8)
{
ma_uint8 result = 0;
if (order == ma_atomic_memory_order_relaxed) {
__asm {
mov esi, dst
mov al, [esi]
mov result, al
}
} else if (order <= ma_atomic_memory_order_release) {
__asm {
mov esi, dst
mov al, [esi]
lock add dword ptr [esp], 0
mov result, al
}
} else {
__asm {
lock add dword ptr [esp], 0
mov esi, dst
mov al, [esi]
mov result, al
lock add dword ptr [esp], 0
}
}
return result;
}
#else
{
MA_ATOMIC_LOAD_EXPLICIT_LOCK(8, dst, order);
}
#endif
}
static MA_INLINE ma_uint16 ma_atomic_load_explicit_16(volatile const ma_uint16* dst, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_16)
{
ma_uint16 result = 0;
if (order == ma_atomic_memory_order_relaxed) {
__asm {
mov esi, dst
mov ax, [esi]
mov result, ax
}
} else if (order <= ma_atomic_memory_order_release) {
__asm {
mov esi, dst
mov ax, [esi]
lock add dword ptr [esp], 0
mov result, ax
}
} else {
__asm {
lock add dword ptr [esp], 0
mov esi, dst
mov ax, [esi]
mov result, ax
lock add dword ptr [esp], 0
}
}
return result;
}
#else
{
MA_ATOMIC_LOAD_EXPLICIT_LOCK(16, dst, order);
}
#endif
}
static MA_INLINE ma_uint32 ma_atomic_load_explicit_32(volatile const ma_uint32* dst, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_32)
{
ma_uint32 result = 0;
if (order == ma_atomic_memory_order_relaxed) {
__asm {
mov esi, dst
mov eax, [esi]
mov result, eax
}
} else if (order <= ma_atomic_memory_order_release) {
__asm {
mov esi, dst
mov eax, [esi]
lock add dword ptr [esp], 0
mov result, eax
}
} else {
__asm {
lock add dword ptr [esp], 0
mov esi, dst
mov eax, [esi]
mov result, eax
lock add dword ptr [esp], 0
}
}
return result;
}
#else
{
MA_ATOMIC_LOAD_EXPLICIT_LOCK(32, dst, order);
}
#endif
}
static MA_INLINE ma_uint64 ma_atomic_load_explicit_64(volatile const ma_uint64* dst, ma_atomic_memory_order order)
{
(void)order;
return ma_atomic_compare_and_swap_64((volatile ma_uint64*)dst, 0, 0);
}
static MA_INLINE void __stdcall ma_atomic_store_explicit_8(volatile ma_uint8* dst, ma_uint8 src, ma_atomic_memory_order order)
{
if (order == ma_atomic_memory_order_relaxed) {
__asm {
mov esi, dst
mov al, src
mov [esi], al
}
} else {
#if defined(MA_ATOMIC_IS_LOCK_FREE_8)
{
__asm {
mov esi, dst
mov al, src
xchg [esi], al
}
}
#else
{
MA_ATOMIC_STORE_EXPLICIT_LOCK(8, dst, src, order);
}
#endif
}
}
static MA_INLINE void __stdcall ma_atomic_store_explicit_16(volatile ma_uint16* dst, ma_uint16 src, ma_atomic_memory_order order)
{
if (order == ma_atomic_memory_order_relaxed) {
__asm {
mov esi, dst
mov ax, src
mov [esi], ax
}
} else {
#if defined(MA_ATOMIC_IS_LOCK_FREE_16)
{
__asm {
mov esi, dst
mov ax, src
xchg [esi], ax
}
}
#else
{
MA_ATOMIC_STORE_EXPLICIT_LOCK(16, dst, src, order);
}
#endif
}
}
static MA_INLINE void __stdcall ma_atomic_store_explicit_32(volatile ma_uint32* dst, ma_uint32 src, ma_atomic_memory_order order)
{
if (order == ma_atomic_memory_order_relaxed) {
__asm {
mov esi, dst
mov eax, src
mov [esi], eax
}
} else {
#if defined(MA_ATOMIC_IS_LOCK_FREE_32)
{
__asm {
mov esi, dst
mov eax, src
xchg [esi], eax
}
}
#else
{
MA_ATOMIC_STORE_EXPLICIT_LOCK(32, dst, src, order);
}
#endif
}
}
static MA_INLINE void __stdcall ma_atomic_store_explicit_64(volatile ma_uint64* dst, ma_uint64 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_64)
{
MA_ATOMIC_STORE_EXPLICIT_CAS(64, dst, src, order);
}
#else
{
MA_ATOMIC_STORE_EXPLICIT_LOCK(64, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint8 __stdcall ma_atomic_exchange_explicit_8(volatile ma_uint8* dst, ma_uint8 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_8)
{
ma_uint8 result = 0;
(void)order;
__asm {
mov ecx, dst
mov al, src
lock xchg [ecx], al
mov result, al
}
return result;
}
#else
{
MA_ATOMIC_EXCHANGE_EXPLICIT_LOCK(8, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint16 __stdcall ma_atomic_exchange_explicit_16(volatile ma_uint16* dst, ma_uint16 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_16)
{
ma_uint16 result = 0;
(void)order;
__asm {
mov ecx, dst
mov ax, src
lock xchg [ecx], ax
mov result, ax
}
return result;
}
#else
{
MA_ATOMIC_EXCHANGE_EXPLICIT_LOCK(16, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint32 __stdcall ma_atomic_exchange_explicit_32(volatile ma_uint32* dst, ma_uint32 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_32)
{
ma_uint32 result = 0;
(void)order;
__asm {
mov ecx, dst
mov eax, src
xchg [ecx], eax
mov result, eax
}
return result;
}
#else
{
MA_ATOMIC_EXCHANGE_EXPLICIT_LOCK(32, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint64 __stdcall ma_atomic_exchange_explicit_64(volatile ma_uint64* dst, ma_uint64 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_64)
{
MA_ATOMIC_EXCHANGE_EXPLICIT_CAS(64, dst, src, order);
}
#else
{
MA_ATOMIC_EXCHANGE_EXPLICIT_LOCK(64, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint8 __stdcall ma_atomic_fetch_add_explicit_8(volatile ma_uint8* dst, ma_uint8 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_8)
{
ma_uint8 result = 0;
(void)order;
__asm {
mov ecx, dst
mov al, src
lock xadd [ecx], al
mov result, al
}
return result;
}
#else
{
MA_ATOMIC_FETCH_ADD_LOCK(8, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint16 __stdcall ma_atomic_fetch_add_explicit_16(volatile ma_uint16* dst, ma_uint16 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_16)
{
ma_uint16 result = 0;
(void)order;
__asm {
mov ecx, dst
mov ax, src
lock xadd [ecx], ax
mov result, ax
}
return result;
}
#else
{
MA_ATOMIC_FETCH_ADD_LOCK(16, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint32 __stdcall ma_atomic_fetch_add_explicit_32(volatile ma_uint32* dst, ma_uint32 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_32)
{
ma_uint32 result = 0;
(void)order;
__asm {
mov ecx, dst
mov eax, src
lock xadd [ecx], eax
mov result, eax
}
return result;
}
#else
{
MA_ATOMIC_FETCH_ADD_LOCK(32, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint64 __stdcall ma_atomic_fetch_add_explicit_64(volatile ma_uint64* dst, ma_uint64 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_64)
{
MA_ATOMIC_FETCH_ADD_CAS(64, dst, src, order);
}
#else
{
MA_ATOMIC_FETCH_ADD_LOCK(64, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint8 __stdcall ma_atomic_fetch_sub_explicit_8(volatile ma_uint8* dst, ma_uint8 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_8)
{
ma_uint8 result = 0;
(void)order;
__asm {
mov ecx, dst
mov al, src
neg al
lock xadd [ecx], al
mov result, al
}
return result;
}
#else
{
MA_ATOMIC_FETCH_ADD_LOCK(8, dst, (ma_uint8)(-(ma_int8)src), order);
}
#endif
}
static MA_INLINE ma_uint16 __stdcall ma_atomic_fetch_sub_explicit_16(volatile ma_uint16* dst, ma_uint16 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_16)
{
ma_uint16 result = 0;
(void)order;
__asm {
mov ecx, dst
mov ax, src
neg ax
lock xadd [ecx], ax
mov result, ax
}
return result;
}
#else
{
MA_ATOMIC_FETCH_ADD_LOCK(16, dst, (ma_uint16)(-(ma_int16)src), order);
}
#endif
}
static MA_INLINE ma_uint32 __stdcall ma_atomic_fetch_sub_explicit_32(volatile ma_uint32* dst, ma_uint32 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_32)
{
ma_uint32 result = 0;
(void)order;
__asm {
mov ecx, dst
mov eax, src
neg eax
lock xadd [ecx], eax
mov result, eax
}
return result;
}
#else
{
MA_ATOMIC_FETCH_ADD_LOCK(32, dst, (ma_uint32)(-(ma_int32)src), order);
}
#endif
}
static MA_INLINE ma_uint64 __stdcall ma_atomic_fetch_sub_explicit_64(volatile ma_uint64* dst, ma_uint64 src, ma_atomic_memory_order order)
{
MA_ATOMIC_FETCH_ADD_CAS(64, dst, (ma_uint64)(-(ma_int64)src), order);
}
static MA_INLINE ma_uint8 __stdcall ma_atomic_fetch_and_explicit_8(volatile ma_uint8* dst, ma_uint8 src, ma_atomic_memory_order order)
{
MA_ATOMIC_FETCH_AND_CAS(8, dst, src, order);
}
static MA_INLINE ma_uint16 __stdcall ma_atomic_fetch_and_explicit_16(volatile ma_uint16* dst, ma_uint16 src, ma_atomic_memory_order order)
{
MA_ATOMIC_FETCH_AND_CAS(16, dst, src, order);
}
static MA_INLINE ma_uint32 __stdcall ma_atomic_fetch_and_explicit_32(volatile ma_uint32* dst, ma_uint32 src, ma_atomic_memory_order order)
{
MA_ATOMIC_FETCH_AND_CAS(32, dst, src, order);
}
static MA_INLINE ma_uint64 __stdcall ma_atomic_fetch_and_explicit_64(volatile ma_uint64* dst, ma_uint64 src, ma_atomic_memory_order order)
{
MA_ATOMIC_FETCH_AND_CAS(64, dst, src, order);
}
static MA_INLINE ma_uint8 __stdcall ma_atomic_fetch_or_explicit_8(volatile ma_uint8* dst, ma_uint8 src, ma_atomic_memory_order order)
{
MA_ATOMIC_FETCH_OR_CAS(8, dst, src, order);
}
static MA_INLINE ma_uint16 __stdcall ma_atomic_fetch_or_explicit_16(volatile ma_uint16* dst, ma_uint16 src, ma_atomic_memory_order order)
{
MA_ATOMIC_FETCH_OR_CAS(16, dst, src, order);
}
static MA_INLINE ma_uint32 __stdcall ma_atomic_fetch_or_explicit_32(volatile ma_uint32* dst, ma_uint32 src, ma_atomic_memory_order order)
{
MA_ATOMIC_FETCH_OR_CAS(32, dst, src, order);
}
static MA_INLINE ma_uint64 __stdcall ma_atomic_fetch_or_explicit_64(volatile ma_uint64* dst, ma_uint64 src, ma_atomic_memory_order order)
{
MA_ATOMIC_FETCH_OR_CAS(64, dst, src, order);
}
static MA_INLINE ma_uint8 __stdcall ma_atomic_fetch_xor_explicit_8(volatile ma_uint8* dst, ma_uint8 src, ma_atomic_memory_order order)
{
MA_ATOMIC_FETCH_XOR_CAS(8, dst, src, order);
}
static MA_INLINE ma_uint16 __stdcall ma_atomic_fetch_xor_explicit_16(volatile ma_uint16* dst, ma_uint16 src, ma_atomic_memory_order order)
{
MA_ATOMIC_FETCH_XOR_CAS(16, dst, src, order);
}
static MA_INLINE ma_uint32 __stdcall ma_atomic_fetch_xor_explicit_32(volatile ma_uint32* dst, ma_uint32 src, ma_atomic_memory_order order)
{
MA_ATOMIC_FETCH_XOR_CAS(32, dst, src, order);
}
static MA_INLINE ma_uint64 __stdcall ma_atomic_fetch_xor_explicit_64(volatile ma_uint64* dst, ma_uint64 src, ma_atomic_memory_order order)
{
MA_ATOMIC_FETCH_XOR_CAS(64, dst, src, order);
}
static MA_INLINE void __stdcall ma_atomic_thread_fence(ma_atomic_memory_order order)
{
(void)order;
__asm {
lock add dword ptr [esp], 0
}
}
#define ma_atomic_signal_fence(order) __asm {}; (void)order
#endif
#if defined(MA_ATOMIC_MODERN_GCC)
#define MA_ATOMIC_HAS_NATIVE_COMPARE_EXCHANGE
#define ma_atomic_thread_fence(order) __atomic_thread_fence(order)
#define ma_atomic_signal_fence(order) __atomic_signal_fence(order)
#define ma_atomic_is_lock_free_8(ptr) __atomic_is_lock_free(1, ptr)
#define ma_atomic_is_lock_free_16(ptr) __atomic_is_lock_free(2, ptr)
#define ma_atomic_is_lock_free_32(ptr) __atomic_is_lock_free(4, ptr)
#define ma_atomic_is_lock_free_64(ptr) __atomic_is_lock_free(8, ptr)
#define ma_atomic_store_explicit_8( dst, src, order) __atomic_store_n(dst, src, order)
#define ma_atomic_store_explicit_16(dst, src, order) __atomic_store_n(dst, src, order)
#define ma_atomic_store_explicit_32(dst, src, order) __atomic_store_n(dst, src, order)
#define ma_atomic_store_explicit_64(dst, src, order) __atomic_store_n(dst, src, order)
#define ma_atomic_load_explicit_8( dst, order) __atomic_load_n(dst, order)
#define ma_atomic_load_explicit_16(dst, order) __atomic_load_n(dst, order)
#define ma_atomic_load_explicit_32(dst, order) __atomic_load_n(dst, order)
#define ma_atomic_load_explicit_64(dst, order) __atomic_load_n(dst, order)
#define ma_atomic_exchange_explicit_8( dst, src, order) __atomic_exchange_n(dst, src, order)
#define ma_atomic_exchange_explicit_16(dst, src, order) __atomic_exchange_n(dst, src, order)
#define ma_atomic_exchange_explicit_32(dst, src, order) __atomic_exchange_n(dst, src, order)
#define ma_atomic_exchange_explicit_64(dst, src, order) __atomic_exchange_n(dst, src, order)
#define ma_atomic_compare_exchange_strong_explicit_8( dst, expected, replacement, successOrder, failureOrder) __atomic_compare_exchange_n(dst, expected, replacement, 0, successOrder, failureOrder)
#define ma_atomic_compare_exchange_strong_explicit_16(dst, expected, replacement, successOrder, failureOrder) __atomic_compare_exchange_n(dst, expected, replacement, 0, successOrder, failureOrder)
#define ma_atomic_compare_exchange_strong_explicit_32(dst, expected, replacement, successOrder, failureOrder) __atomic_compare_exchange_n(dst, expected, replacement, 0, successOrder, failureOrder)
#define ma_atomic_compare_exchange_strong_explicit_64(dst, expected, replacement, successOrder, failureOrder) __atomic_compare_exchange_n(dst, expected, replacement, 0, successOrder, failureOrder)
#define ma_atomic_compare_exchange_weak_explicit_8( dst, expected, replacement, successOrder, failureOrder) __atomic_compare_exchange_n(dst, expected, replacement, 1, successOrder, failureOrder)
#define ma_atomic_compare_exchange_weak_explicit_16(dst, expected, replacement, successOrder, failureOrder) __atomic_compare_exchange_n(dst, expected, replacement, 1, successOrder, failureOrder)
#define ma_atomic_compare_exchange_weak_explicit_32(dst, expected, replacement, successOrder, failureOrder) __atomic_compare_exchange_n(dst, expected, replacement, 1, successOrder, failureOrder)
#define ma_atomic_compare_exchange_weak_explicit_64(dst, expected, replacement, successOrder, failureOrder) __atomic_compare_exchange_n(dst, expected, replacement, 1, successOrder, failureOrder)
#define ma_atomic_fetch_add_explicit_8( dst, src, order) __atomic_fetch_add(dst, src, order)
#define ma_atomic_fetch_add_explicit_16(dst, src, order) __atomic_fetch_add(dst, src, order)
#define ma_atomic_fetch_add_explicit_32(dst, src, order) __atomic_fetch_add(dst, src, order)
#define ma_atomic_fetch_add_explicit_64(dst, src, order) __atomic_fetch_add(dst, src, order)
#define ma_atomic_fetch_sub_explicit_8( dst, src, order) __atomic_fetch_sub(dst, src, order)
#define ma_atomic_fetch_sub_explicit_16(dst, src, order) __atomic_fetch_sub(dst, src, order)
#define ma_atomic_fetch_sub_explicit_32(dst, src, order) __atomic_fetch_sub(dst, src, order)
#define ma_atomic_fetch_sub_explicit_64(dst, src, order) __atomic_fetch_sub(dst, src, order)
#define ma_atomic_fetch_or_explicit_8( dst, src, order) __atomic_fetch_or(dst, src, order)
#define ma_atomic_fetch_or_explicit_16(dst, src, order) __atomic_fetch_or(dst, src, order)
#define ma_atomic_fetch_or_explicit_32(dst, src, order) __atomic_fetch_or(dst, src, order)
#define ma_atomic_fetch_or_explicit_64(dst, src, order) __atomic_fetch_or(dst, src, order)
#define ma_atomic_fetch_xor_explicit_8( dst, src, order) __atomic_fetch_xor(dst, src, order)
#define ma_atomic_fetch_xor_explicit_16(dst, src, order) __atomic_fetch_xor(dst, src, order)
#define ma_atomic_fetch_xor_explicit_32(dst, src, order) __atomic_fetch_xor(dst, src, order)
#define ma_atomic_fetch_xor_explicit_64(dst, src, order) __atomic_fetch_xor(dst, src, order)
#define ma_atomic_fetch_and_explicit_8( dst, src, order) __atomic_fetch_and(dst, src, order)
#define ma_atomic_fetch_and_explicit_16(dst, src, order) __atomic_fetch_and(dst, src, order)
#define ma_atomic_fetch_and_explicit_32(dst, src, order) __atomic_fetch_and(dst, src, order)
#define ma_atomic_fetch_and_explicit_64(dst, src, order) __atomic_fetch_and(dst, src, order)
static MA_INLINE ma_uint8 ma_atomic_compare_and_swap_8(volatile ma_uint8* dst, ma_uint8 expected, ma_uint8 replacement)
{
__atomic_compare_exchange_n(dst, &expected, replacement, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST);
return expected;
}
static MA_INLINE ma_uint16 ma_atomic_compare_and_swap_16(volatile ma_uint16* dst, ma_uint16 expected, ma_uint16 replacement)
{
__atomic_compare_exchange_n(dst, &expected, replacement, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST);
return expected;
}
static MA_INLINE ma_uint32 ma_atomic_compare_and_swap_32(volatile ma_uint32* dst, ma_uint32 expected, ma_uint32 replacement)
{
__atomic_compare_exchange_n(dst, &expected, replacement, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST);
return expected;
}
#if defined(__clang__)
#pragma clang diagnostic push
#if __clang_major__ >= 8
#pragma clang diagnostic ignored "-Watomic-alignment"
#endif
#endif
static MA_INLINE ma_uint64 ma_atomic_compare_and_swap_64(volatile ma_uint64* dst, ma_uint64 expected, ma_uint64 replacement)
{
__atomic_compare_exchange_n(dst, &expected, replacement, 0, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST);
return expected;
}
#if defined(__clang__)
#pragma clang diagnostic pop
#endif
#endif
#if defined(MA_ATOMIC_LEGACY_GCC) || defined(MA_ATOMIC_LEGACY_GCC_ASM)
#define ma_atomic_signal_fence(order) __asm__ __volatile__("":::"memory")
#if defined(MA_ATOMIC_LEGACY_GCC)
#define ma_atomic_thread_fence(order) __sync_synchronize(), (void)order
static MA_INLINE ma_uint8 ma_atomic_compare_and_swap_8(volatile ma_uint8* dst, ma_uint8 expected, ma_uint8 replacement)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_8)
{
return __sync_val_compare_and_swap(dst, expected, replacement);
}
#else
{
MA_ATOMIC_COMPARE_AND_SWAP_LOCK(8, dst, expected, replacement);
}
#endif
}
static MA_INLINE ma_uint16 ma_atomic_compare_and_swap_16(volatile ma_uint16* dst, ma_uint16 expected, ma_uint16 replacement)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_16)
{
return __sync_val_compare_and_swap(dst, expected, replacement);
}
#else
{
MA_ATOMIC_COMPARE_AND_SWAP_LOCK(16, dst, expected, replacement);
}
#endif
}
static MA_INLINE ma_uint32 ma_atomic_compare_and_swap_32(volatile ma_uint32* dst, ma_uint32 expected, ma_uint32 replacement)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_32)
{
return __sync_val_compare_and_swap(dst, expected, replacement);
}
#else
{
MA_ATOMIC_COMPARE_AND_SWAP_LOCK(32, dst, expected, replacement);
}
#endif
}
static MA_INLINE ma_uint64 ma_atomic_compare_and_swap_64(volatile ma_uint64* dst, ma_uint64 expected, ma_uint64 replacement)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_64)
{
return __sync_val_compare_and_swap(dst, expected, replacement);
}
#else
{
MA_ATOMIC_COMPARE_AND_SWAP_LOCK(64, dst, expected, replacement);
}
#endif
}
static MA_INLINE ma_uint8 ma_atomic_load_explicit_8(volatile const ma_uint8* ptr, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_8)
{
(void)order;
return ma_atomic_compare_and_swap_8((ma_uint8*)ptr, 0, 0);
}
#else
{
MA_ATOMIC_LOAD_EXPLICIT_LOCK(8, ptr, order);
}
#endif
}
static MA_INLINE ma_uint16 ma_atomic_load_explicit_16(volatile const ma_uint16* ptr, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_16)
{
(void)order;
return ma_atomic_compare_and_swap_16((ma_uint16*)ptr, 0, 0);
}
#else
{
MA_ATOMIC_LOAD_EXPLICIT_LOCK(16, ptr, order);
}
#endif
}
static MA_INLINE ma_uint32 ma_atomic_load_explicit_32(volatile const ma_uint32* ptr, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_32)
{
(void)order;
return ma_atomic_compare_and_swap_32((ma_uint32*)ptr, 0, 0);
}
#else
{
MA_ATOMIC_LOAD_EXPLICIT_LOCK(32, ptr, order);
}
#endif
}
static MA_INLINE ma_uint64 ma_atomic_load_explicit_64(volatile const ma_uint64* ptr, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_64)
{
(void)order;
return ma_atomic_compare_and_swap_64((ma_uint64*)ptr, 0, 0);
}
#else
{
MA_ATOMIC_LOAD_EXPLICIT_LOCK(64, ptr, order);
}
#endif
}
static MA_INLINE ma_uint8 ma_atomic_exchange_explicit_8(volatile ma_uint8* dst, ma_uint8 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_8)
{
if (order > ma_atomic_memory_order_acquire) {
__sync_synchronize();
}
return __sync_lock_test_and_set(dst, src);
}
#else
{
MA_ATOMIC_EXCHANGE_EXPLICIT_LOCK(8, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint16 ma_atomic_exchange_explicit_16(volatile ma_uint16* dst, ma_uint16 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_16)
{
if (order > ma_atomic_memory_order_acquire) {
__sync_synchronize();
}
return __sync_lock_test_and_set(dst, src);
}
#else
{
MA_ATOMIC_EXCHANGE_EXPLICIT_LOCK(16, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint32 ma_atomic_exchange_explicit_32(volatile ma_uint32* dst, ma_uint32 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_32)
{
if (order > ma_atomic_memory_order_acquire) {
__sync_synchronize();
}
return __sync_lock_test_and_set(dst, src);
}
#else
{
MA_ATOMIC_EXCHANGE_EXPLICIT_LOCK(32, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint64 ma_atomic_exchange_explicit_64(volatile ma_uint64* dst, ma_uint64 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_64)
{
if (order > ma_atomic_memory_order_acquire) {
__sync_synchronize();
}
return __sync_lock_test_and_set(dst, src);
}
#else
{
MA_ATOMIC_EXCHANGE_EXPLICIT_LOCK(64, dst, src, order);
}
#endif
}
#define ma_atomic_store_explicit_8( dst, src, order) (void)ma_atomic_exchange_explicit_8 (dst, src, order)
#define ma_atomic_store_explicit_16(dst, src, order) (void)ma_atomic_exchange_explicit_16(dst, src, order)
#define ma_atomic_store_explicit_32(dst, src, order) (void)ma_atomic_exchange_explicit_32(dst, src, order)
#define ma_atomic_store_explicit_64(dst, src, order) (void)ma_atomic_exchange_explicit_64(dst, src, order)
static MA_INLINE ma_uint8 ma_atomic_fetch_add_explicit_8(volatile ma_uint8* dst, ma_uint8 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_8)
{
(void)order;
return __sync_fetch_and_add(dst, src);
}
#else
{
MA_ATOMIC_FETCH_ADD_LOCK(8, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint16 ma_atomic_fetch_add_explicit_16(volatile ma_uint16* dst, ma_uint16 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_16)
{
(void)order;
return __sync_fetch_and_add(dst, src);
}
#else
{
MA_ATOMIC_FETCH_ADD_LOCK(16, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint32 ma_atomic_fetch_add_explicit_32(volatile ma_uint32* dst, ma_uint32 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_32)
{
(void)order;
return __sync_fetch_and_add(dst, src);
}
#else
{
MA_ATOMIC_FETCH_ADD_LOCK(32, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint64 ma_atomic_fetch_add_explicit_64(volatile ma_uint64* dst, ma_uint64 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_64)
{
(void)order;
return __sync_fetch_and_add(dst, src);
}
#else
{
MA_ATOMIC_FETCH_ADD_LOCK(64, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint8 ma_atomic_fetch_sub_explicit_8(volatile ma_uint8* dst, ma_uint8 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_8)
{
(void)order;
return __sync_fetch_and_sub(dst, src);
}
#else
{
MA_ATOMIC_FETCH_ADD_LOCK(8, dst, (ma_uint8)(-(ma_int8)src), order);
}
#endif
}
static MA_INLINE ma_uint16 ma_atomic_fetch_sub_explicit_16(volatile ma_uint16* dst, ma_uint16 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_16)
{
(void)order;
return __sync_fetch_and_sub(dst, src);
}
#else
{
MA_ATOMIC_FETCH_ADD_LOCK(16, dst, (ma_uint16)(-(ma_int16)src), order);
}
#endif
}
static MA_INLINE ma_uint32 ma_atomic_fetch_sub_explicit_32(volatile ma_uint32* dst, ma_uint32 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_32)
{
(void)order;
return __sync_fetch_and_sub(dst, src);
}
#else
{
MA_ATOMIC_FETCH_ADD_LOCK(32, dst, (ma_uint32)(-(ma_int32)src), order);
}
#endif
}
static MA_INLINE ma_uint64 ma_atomic_fetch_sub_explicit_64(volatile ma_uint64* dst, ma_uint64 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_64)
{
(void)order;
return __sync_fetch_and_sub(dst, src);
}
#else
{
MA_ATOMIC_FETCH_ADD_LOCK(64, dst, (ma_uint64)(-(ma_int64)src), order);
}
#endif
}
static MA_INLINE ma_uint8 ma_atomic_fetch_and_explicit_8(volatile ma_uint8* dst, ma_uint8 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_8)
{
(void)order;
return __sync_fetch_and_and(dst, src);
}
#else
{
MA_ATOMIC_FETCH_AND_CAS(8, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint16 ma_atomic_fetch_and_explicit_16(volatile ma_uint16* dst, ma_uint16 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_16)
{
(void)order;
return __sync_fetch_and_and(dst, src);
}
#else
{
MA_ATOMIC_FETCH_AND_CAS(16, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint32 ma_atomic_fetch_and_explicit_32(volatile ma_uint32* dst, ma_uint32 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_32)
{
(void)order;
return __sync_fetch_and_and(dst, src);
}
#else
{
MA_ATOMIC_FETCH_AND_CAS(32, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint64 ma_atomic_fetch_and_explicit_64(volatile ma_uint64* dst, ma_uint64 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_64)
{
(void)order;
return __sync_fetch_and_and(dst, src);
}
#else
{
MA_ATOMIC_FETCH_AND_CAS(64, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint8 ma_atomic_fetch_or_explicit_8(volatile ma_uint8* dst, ma_uint8 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_8)
{
(void)order;
return __sync_fetch_and_or(dst, src);
}
#else
{
MA_ATOMIC_FETCH_OR_CAS(8, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint16 ma_atomic_fetch_or_explicit_16(volatile ma_uint16* dst, ma_uint16 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_16)
{
(void)order;
return __sync_fetch_and_or(dst, src);
}
#else
{
MA_ATOMIC_FETCH_OR_CAS(16, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint32 ma_atomic_fetch_or_explicit_32(volatile ma_uint32* dst, ma_uint32 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_32)
{
(void)order;
return __sync_fetch_and_or(dst, src);
}
#else
{
MA_ATOMIC_FETCH_OR_CAS(32, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint64 ma_atomic_fetch_or_explicit_64(volatile ma_uint64* dst, ma_uint64 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_64)
{
(void)order;
return __sync_fetch_and_or(dst, src);
}
#else
{
MA_ATOMIC_FETCH_OR_CAS(64, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint8 ma_atomic_fetch_xor_explicit_8(volatile ma_uint8* dst, ma_uint8 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_8)
{
(void)order;
return __sync_fetch_and_xor(dst, src);
}
#else
{
MA_ATOMIC_FETCH_XOR_CAS(8, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint16 ma_atomic_fetch_xor_explicit_16(volatile ma_uint16* dst, ma_uint16 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_16)
{
(void)order;
return __sync_fetch_and_xor(dst, src);
}
#else
{
MA_ATOMIC_FETCH_XOR_CAS(16, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint32 ma_atomic_fetch_xor_explicit_32(volatile ma_uint32* dst, ma_uint32 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_32)
{
(void)order;
return __sync_fetch_and_xor(dst, src);
}
#else
{
MA_ATOMIC_FETCH_XOR_CAS(32, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint64 ma_atomic_fetch_xor_explicit_64(volatile ma_uint64* dst, ma_uint64 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_64)
{
(void)order;
return __sync_fetch_and_xor(dst, src);
}
#else
{
MA_ATOMIC_FETCH_XOR_CAS(64, dst, src, order);
}
#endif
}
#elif defined(MA_ATOMIC_LEGACY_GCC_ASM)
#define MA_ATOMIC_CMPXCHG_GCC_X86(instructionSizeSuffix, result, dst, expected, replacement) \
__asm__ __volatile__( \
"lock; cmpxchg"instructionSizeSuffix" %2, %1" \
: "=a"(result), \
"=m"(*dst) \
: "r"(replacement), \
"0"(expected), \
"m"(*dst) \
: "cc", "memory")
#define MA_ATOMIC_XADD_GCC_X86(instructionSizeSuffix, result, dst, src) \
__asm__ __volatile__( \
"lock; xadd"instructionSizeSuffix" %0, %1" \
: "=a"(result), \
"=m"(*dst) \
: "0"(src), \
"m"(*dst) \
: "cc", "memory")
static MA_INLINE ma_uint8 ma_atomic_compare_and_swap_8(volatile ma_uint8* dst, ma_uint8 expected, ma_uint8 replacement)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_8) && (defined(MA_X86) || defined(MA_X64))
{
ma_uint8 result;
#if defined(MA_X86) || defined(MA_X64)
{
MA_ATOMIC_CMPXCHG_GCC_X86("b", result, dst, expected, replacement);
}
#else
{
#error Unsupported architecture.
}
#endif
return result;
}
#else
{
MA_ATOMIC_COMPARE_AND_SWAP_LOCK(8, dst, expected, replacement);
}
#endif
}
static MA_INLINE ma_uint16 ma_atomic_compare_and_swap_16(volatile ma_uint16* dst, ma_uint16 expected, ma_uint16 replacement)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_16) && (defined(MA_X86) || defined(MA_X64))
{
ma_uint16 result;
#if defined(MA_X86) || defined(MA_X64)
{
MA_ATOMIC_CMPXCHG_GCC_X86("w", result, dst, expected, replacement);
}
#else
{
#error Unsupported architecture.
}
#endif
return result;
}
#else
{
MA_ATOMIC_COMPARE_AND_SWAP_LOCK(16, dst, expected, replacement);
}
#endif
}
static MA_INLINE ma_uint32 ma_atomic_compare_and_swap_32(volatile ma_uint32* dst, ma_uint32 expected, ma_uint32 replacement)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_32) && (defined(MA_X86) || defined(MA_X64))
{
ma_uint32 result;
#if defined(MA_X86) || defined(MA_X64)
{
MA_ATOMIC_CMPXCHG_GCC_X86("l", result, dst, expected, replacement);
}
#else
{
#error Unsupported architecture.
}
#endif
return result;
}
#else
{
MA_ATOMIC_COMPARE_AND_SWAP_LOCK(32, dst, expected, replacement);
}
#endif
}
static MA_INLINE ma_uint64 ma_atomic_compare_and_swap_64(volatile ma_uint64* dst, ma_uint64 expected, ma_uint64 replacement)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_64) && (defined(MA_X86) || defined(MA_X64))
{
ma_uint64 result;
#if defined(MA_X86)
{
ma_uint32 resultEAX;
ma_uint32 resultEDX;
__asm__ __volatile__(
"pushl %%ebx\n"
"movl %4, %%ebx\n"
"lock cmpxchg8b (%%edi)\n"
"popl %%ebx\n"
: "=a"(resultEAX),
"=d"(resultEDX)
: "a"((ma_uint32)(expected & 0xFFFFFFFF)),
"d"((ma_uint32)(expected >> 32)),
"r"((ma_uint32)(replacement & 0xFFFFFFFF)),
"c"((ma_uint32)(replacement >> 32)),
"D"(dst)
: "memory", "cc");
result = ((ma_uint64)resultEDX << 32) | resultEAX;
}
#elif defined(MA_X64)
{
MA_ATOMIC_CMPXCHG_GCC_X86("q", result, dst, expected, replacement);
}
#else
{
#error Unsupported architecture.
}
#endif
return result;
}
#else
{
MA_ATOMIC_COMPARE_AND_SWAP_LOCK(64, dst, expected, replacement);
}
#endif
}
static MA_INLINE ma_uint8 ma_atomic_load_explicit_8(volatile const ma_uint8* dst, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_8) && (defined(MA_X86) || defined(MA_X64))
{
ma_uint8 result;
#if defined(MA_X86) || defined(MA_X64)
{
if (order == ma_atomic_memory_order_relaxed) {
MA_ATOMIC_LOAD_RELAXED_GCC_X86("b", result, dst);
} else if (order <= ma_atomic_memory_order_release) {
MA_ATOMIC_LOAD_RELEASE_GCC_X86("b", result, dst);
} else {
MA_ATOMIC_LOAD_SEQ_CST_GCC_X86("b", result, dst);
}
}
#else
{
#error Unsupported architecture.
}
#endif
return result;
}
#else
{
MA_ATOMIC_LOAD_EXPLICIT_LOCK(8, dst, order);
}
#endif
}
static MA_INLINE ma_uint16 ma_atomic_load_explicit_16(volatile const ma_uint16* dst, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_16) && (defined(MA_X86) || defined(MA_X64))
{
ma_uint16 result;
#if defined(MA_X86) || defined(MA_X64)
{
if (order == ma_atomic_memory_order_relaxed) {
MA_ATOMIC_LOAD_RELAXED_GCC_X86("w", result, dst);
} else if (order <= ma_atomic_memory_order_release) {
MA_ATOMIC_LOAD_RELEASE_GCC_X86("w", result, dst);
} else {
MA_ATOMIC_LOAD_SEQ_CST_GCC_X86("w", result, dst);
}
}
#else
{
#error Unsupported architecture.
}
#endif
return result;
}
#else
{
MA_ATOMIC_LOAD_EXPLICIT_LOCK(16, dst, order);
}
#endif
}
static MA_INLINE ma_uint32 ma_atomic_load_explicit_32(volatile const ma_uint32* dst, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_32) && (defined(MA_X86) || defined(MA_X64))
{
ma_uint32 result;
#if defined(MA_X86) || defined(MA_X64)
{
if (order == ma_atomic_memory_order_relaxed) {
MA_ATOMIC_LOAD_RELAXED_GCC_X86("l", result, dst);
} else if (order <= ma_atomic_memory_order_release) {
MA_ATOMIC_LOAD_RELEASE_GCC_X86("l", result, dst);
} else {
MA_ATOMIC_LOAD_SEQ_CST_GCC_X86("l", result, dst);
}
}
#else
{
#error Unsupported architecture.
}
#endif
return result;
}
#else
{
MA_ATOMIC_LOAD_EXPLICIT_LOCK(32, dst, order);
}
#endif
}
static MA_INLINE ma_uint64 ma_atomic_load_explicit_64(volatile const ma_uint64* dst, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_64) && (defined(MA_X86) || defined(MA_X64))
{
ma_uint64 result;
#if defined(MA_X64)
{
if (order == ma_atomic_memory_order_relaxed) {
MA_ATOMIC_LOAD_RELAXED_GCC_X86("q", result, dst);
} else if (order <= ma_atomic_memory_order_release) {
MA_ATOMIC_LOAD_RELEASE_GCC_X86("q", result, dst);
} else {
MA_ATOMIC_LOAD_SEQ_CST_GCC_X86("q", result, dst);
}
}
#elif defined(MA_X86)
{
(void)order;
return ma_atomic_compare_and_swap_64((volatile ma_uint64*)dst, 0, 0);
}
#else
{
#error Unsupported architecture.
}
#endif
return result;
}
#else
{
MA_ATOMIC_LOAD_EXPLICIT_LOCK(64, dst, order);
}
#endif
}
static MA_INLINE ma_uint8 ma_atomic_exchange_explicit_8(volatile ma_uint8* dst, ma_uint8 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_8) && (defined(MA_X86) || defined(MA_X64))
{
ma_uint8 result;
(void)order;
#if defined(MA_X86) || defined(MA_X64)
{
MA_ATOMIC_XCHG_GCC_X86("b", result, dst, src);
}
#else
{
#error Unsupported architecture.
}
#endif
return result;
}
#else
{
MA_ATOMIC_EXCHANGE_EXPLICIT_LOCK(8, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint16 ma_atomic_exchange_explicit_16(volatile ma_uint16* dst, ma_uint16 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_16) && (defined(MA_X86) || defined(MA_X64))
{
ma_uint16 result;
(void)order;
#if defined(MA_X86) || defined(MA_X64)
{
MA_ATOMIC_XCHG_GCC_X86("w", result, dst, src);
}
#else
{
#error Unsupported architecture.
}
#endif
return result;
}
#else
{
MA_ATOMIC_EXCHANGE_EXPLICIT_LOCK(16, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint32 ma_atomic_exchange_explicit_32(volatile ma_uint32* dst, ma_uint32 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_32) && (defined(MA_X86) || defined(MA_X64))
{
ma_uint32 result;
(void)order;
#if defined(MA_X86) || defined(MA_X64)
{
MA_ATOMIC_XCHG_GCC_X86("l", result, dst, src);
}
#else
{
#error Unsupported architecture.
}
#endif
return result;
}
#else
{
MA_ATOMIC_EXCHANGE_EXPLICIT_LOCK(32, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint64 ma_atomic_exchange_explicit_64(volatile ma_uint64* dst, ma_uint64 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_64) && (defined(MA_X86) || defined(MA_X64))
{
ma_uint64 result;
(void)order;
#if defined(MA_X86)
{
MA_ATOMIC_EXCHANGE_EXPLICIT_CAS(64, dst, src, order);
}
#elif defined(MA_X64)
{
MA_ATOMIC_XCHG_GCC_X86("q", result, dst, src);
}
#else
{
#error Unsupported architecture.
}
#endif
return result;
}
#else
{
MA_ATOMIC_EXCHANGE_EXPLICIT_LOCK(64, dst, src, order);
}
#endif
}
static MA_INLINE void ma_atomic_store_explicit_8(volatile ma_uint8* dst, ma_uint8 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_8) && (defined(MA_X86) || defined(MA_X64))
{
#if defined(MA_X86) || defined(MA_X64)
{
if (order == ma_atomic_memory_order_relaxed) {
__asm__ __volatile__ (
"movb %1, %0"
: "=m"(*dst)
: "r"(src)
);
} else {
__asm__ __volatile__ (
"xchgb %1, %0"
: "=m"(*dst)
: "r"(src)
: "memory"
);
}
}
#else
{
#error Unsupported architecture.
}
#endif
}
#else
{
MA_ATOMIC_STORE_EXPLICIT_LOCK(8, dst, src, order);
}
#endif
}
static MA_INLINE void ma_atomic_store_explicit_16(volatile ma_uint16* dst, ma_uint16 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_16) && (defined(MA_X86) || defined(MA_X64))
{
#if defined(MA_X86) || defined(MA_X64)
{
if (order == ma_atomic_memory_order_relaxed) {
__asm__ __volatile__ (
"movw %1, %0"
: "=m"(*dst)
: "r"(src)
);
} else {
__asm__ __volatile__ (
"xchgw %1, %0"
: "=m"(*dst)
: "r"(src)
: "memory"
);
}
}
#else
{
#error Unsupported architecture.
}
#endif
}
#else
{
MA_ATOMIC_STORE_EXPLICIT_LOCK(16, dst, src, order);
}
#endif
}
static MA_INLINE void ma_atomic_store_explicit_32(volatile ma_uint32* dst, ma_uint32 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_32) && (defined(MA_X86) || defined(MA_X64))
{
#if defined(MA_X86) || defined(MA_X64)
{
if (order == ma_atomic_memory_order_relaxed) {
__asm__ __volatile__ (
"movl %1, %0"
: "=m"(*dst)
: "r"(src)
);
} else {
__asm__ __volatile__ (
"xchgl %1, %0"
: "=m"(*dst)
: "r"(src)
: "memory"
);
}
}
#else
{
#error Unsupported architecture.
}
#endif
}
#else
{
MA_ATOMIC_STORE_EXPLICIT_LOCK(32, dst, src, order);
}
#endif
}
static MA_INLINE void ma_atomic_store_explicit_64(volatile ma_uint64* dst, ma_uint64 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_64) && (defined(MA_X86) || defined(MA_X64))
{
#if defined(MA_X64)
{
if (order == ma_atomic_memory_order_relaxed) {
__asm__ __volatile__ (
"movq %1, %0"
: "=m"(*dst)
: "r"(src)
);
} else {
__asm__ __volatile__ (
"xchgq %1, %0"
: "=m"(*dst)
: "r"(src)
: "memory"
);
}
}
#else
{
MA_ATOMIC_STORE_EXPLICIT_CAS(64, dst, src, order);
}
#endif
}
#else
{
MA_ATOMIC_STORE_EXPLICIT_LOCK(64, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint8 ma_atomic_fetch_add_explicit_8(volatile ma_uint8* dst, ma_uint8 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_8) && (defined(MA_X86) || defined(MA_X64))
{
#if defined(MA_X86) || defined(MA_X64)
{
ma_uint8 result;
(void)order;
MA_ATOMIC_XADD_GCC_X86("b", result, dst, src);
return result;
}
#else
{
#error Unsupported architecture.
}
#endif
}
#else
{
MA_ATOMIC_FETCH_ADD_LOCK(8, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint16 ma_atomic_fetch_add_explicit_16(volatile ma_uint16* dst, ma_uint16 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_16) && (defined(MA_X86) || defined(MA_X64))
{
#if defined(MA_X86) || defined(MA_X64)
{
ma_uint16 result;
(void)order;
MA_ATOMIC_XADD_GCC_X86("w", result, dst, src);
return result;
}
#else
{
#error Unsupported architecture.
}
#endif
}
#else
{
MA_ATOMIC_FETCH_ADD_LOCK(16, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint32 ma_atomic_fetch_add_explicit_32(volatile ma_uint32* dst, ma_uint32 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_32) && (defined(MA_X86) || defined(MA_X64))
{
#if defined(MA_X86) || defined(MA_X64)
{
ma_uint32 result;
(void)order;
MA_ATOMIC_XADD_GCC_X86("l", result, dst, src);
return result;
}
#else
{
#error Unsupported architecture.
}
#endif
}
#else
{
MA_ATOMIC_FETCH_ADD_LOCK(32, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint64 ma_atomic_fetch_add_explicit_64(volatile ma_uint64* dst, ma_uint64 src, ma_atomic_memory_order order)
{
#if defined(MA_ATOMIC_IS_LOCK_FREE_64) && (defined(MA_X86) || defined(MA_X64))
{
#if defined(MA_X86)
{
MA_ATOMIC_FETCH_ADD_CAS(64, dst, src, order);
}
#elif defined(MA_X64)
{
ma_uint64 result;
MA_ATOMIC_XADD_GCC_X86("q", result, dst, src);
(void)order;
return result;
}
#else
{
#error Unsupported architecture.
}
#endif
}
#else
{
MA_ATOMIC_FETCH_ADD_LOCK(64, dst, src, order);
}
#endif
}
static MA_INLINE ma_uint8 ma_atomic_fetch_sub_explicit_8(volatile ma_uint8* dst, ma_uint8 src, ma_atomic_memory_order order)
{
return ma_atomic_fetch_add_explicit_8(dst, (ma_uint8)(-(ma_int8)src), order);
}
static MA_INLINE ma_uint16 ma_atomic_fetch_sub_explicit_16(volatile ma_uint16* dst, ma_uint16 src, ma_atomic_memory_order order)
{
return ma_atomic_fetch_add_explicit_16(dst, (ma_uint16)(-(ma_int16)src), order);
}
static MA_INLINE ma_uint32 ma_atomic_fetch_sub_explicit_32(volatile ma_uint32* dst, ma_uint32 src, ma_atomic_memory_order order)
{
return ma_atomic_fetch_add_explicit_32(dst, (ma_uint32)(-(ma_int32)src), order);
}
static MA_INLINE ma_uint64 ma_atomic_fetch_sub_explicit_64(volatile ma_uint64* dst, ma_uint64 src, ma_atomic_memory_order order)
{
return ma_atomic_fetch_add_explicit_64(dst, (ma_uint64)(-(ma_int64)src), order);
}
static MA_INLINE ma_uint8 ma_atomic_fetch_and_explicit_8(volatile ma_uint8* dst, ma_uint8 src, ma_atomic_memory_order order)
{
MA_ATOMIC_FETCH_AND_CAS(8, dst, src, order);
}
static MA_INLINE ma_uint16 ma_atomic_fetch_and_explicit_16(volatile ma_uint16* dst, ma_uint16 src, ma_atomic_memory_order order)
{
MA_ATOMIC_FETCH_AND_CAS(16, dst, src, order);
}
static MA_INLINE ma_uint32 ma_atomic_fetch_and_explicit_32(volatile ma_uint32* dst, ma_uint32 src, ma_atomic_memory_order order)
{
MA_ATOMIC_FETCH_AND_CAS(32, dst, src, order);
}
static MA_INLINE ma_uint64 ma_atomic_fetch_and_explicit_64(volatile ma_uint64* dst, ma_uint64 src, ma_atomic_memory_order order)
{
MA_ATOMIC_FETCH_AND_CAS(64, dst, src, order);
}
static MA_INLINE ma_uint8 ma_atomic_fetch_or_explicit_8(volatile ma_uint8* dst, ma_uint8 src, ma_atomic_memory_order order)
{
MA_ATOMIC_FETCH_OR_CAS(8, dst, src, order);
}
static MA_INLINE ma_uint16 ma_atomic_fetch_or_explicit_16(volatile ma_uint16* dst, ma_uint16 src, ma_atomic_memory_order order)
{
MA_ATOMIC_FETCH_OR_CAS(16, dst, src, order);
}
static MA_INLINE ma_uint32 ma_atomic_fetch_or_explicit_32(volatile ma_uint32* dst, ma_uint32 src, ma_atomic_memory_order order)
{
MA_ATOMIC_FETCH_OR_CAS(32, dst, src, order);
}
static MA_INLINE ma_uint64 ma_atomic_fetch_or_explicit_64(volatile ma_uint64* dst, ma_uint64 src, ma_atomic_memory_order order)
{
MA_ATOMIC_FETCH_OR_CAS(64, dst, src, order);
}
static MA_INLINE ma_uint8 ma_atomic_fetch_xor_explicit_8(volatile ma_uint8* dst, ma_uint8 src, ma_atomic_memory_order order)
{
MA_ATOMIC_FETCH_XOR_CAS(8, dst, src, order);
}
static MA_INLINE ma_uint16 ma_atomic_fetch_xor_explicit_16(volatile ma_uint16* dst, ma_uint16 src, ma_atomic_memory_order order)
{
MA_ATOMIC_FETCH_XOR_CAS(16, dst, src, order);
}
static MA_INLINE ma_uint32 ma_atomic_fetch_xor_explicit_32(volatile ma_uint32* dst, ma_uint32 src, ma_atomic_memory_order order)
{
MA_ATOMIC_FETCH_XOR_CAS(32, dst, src, order);
}
static MA_INLINE ma_uint64 ma_atomic_fetch_xor_explicit_64(volatile ma_uint64* dst, ma_uint64 src, ma_atomic_memory_order order)
{
MA_ATOMIC_FETCH_XOR_CAS(64, dst, src, order);
}
#else
#error Unsupported compiler.
#endif
#endif
#if !defined(MA_ATOMIC_HAS_NATIVE_COMPARE_EXCHANGE)
static MA_INLINE ma_bool32 ma_atomic_compare_exchange_strong_explicit_8(volatile ma_uint8* dst, ma_uint8* expected, ma_uint8 replacement, ma_atomic_memory_order successOrder, ma_atomic_memory_order failureOrder)
{
ma_uint8 result;
(void)successOrder;
(void)failureOrder;
result = ma_atomic_compare_and_swap_8(dst, *expected, replacement);
if (result == *expected) {
return 1;
} else {
*expected = result;
return 0;
}
}
static MA_INLINE ma_bool32 ma_atomic_compare_exchange_strong_explicit_16(volatile ma_uint16* dst, ma_uint16* expected, ma_uint16 replacement, ma_atomic_memory_order successOrder, ma_atomic_memory_order failureOrder)
{
ma_uint16 result;
(void)successOrder;
(void)failureOrder;
result = ma_atomic_compare_and_swap_16(dst, *expected, replacement);
if (result == *expected) {
return 1;
} else {
*expected = result;
return 0;
}
}
static MA_INLINE ma_bool32 ma_atomic_compare_exchange_strong_explicit_32(volatile ma_uint32* dst, ma_uint32* expected, ma_uint32 replacement, ma_atomic_memory_order successOrder, ma_atomic_memory_order failureOrder)
{
ma_uint32 result;
(void)successOrder;
(void)failureOrder;
result = ma_atomic_compare_and_swap_32(dst, *expected, replacement);
if (result == *expected) {
return 1;
} else {
*expected = result;
return 0;
}
}
static MA_INLINE ma_bool32 ma_atomic_compare_exchange_strong_explicit_64(volatile ma_uint64* dst, volatile ma_uint64* expected, ma_uint64 replacement, ma_atomic_memory_order successOrder, ma_atomic_memory_order failureOrder)
{
ma_uint64 result;
(void)successOrder;
(void)failureOrder;
result = ma_atomic_compare_and_swap_64(dst, *expected, replacement);
if (result == *expected) {
return 1;
} else {
*expected = result;
return 0;
}
}
#define ma_atomic_compare_exchange_weak_explicit_8( dst, expected, replacement, successOrder, failureOrder) ma_atomic_compare_exchange_strong_explicit_8 (dst, expected, replacement, successOrder, failureOrder)
#define ma_atomic_compare_exchange_weak_explicit_16(dst, expected, replacement, successOrder, failureOrder) ma_atomic_compare_exchange_strong_explicit_16(dst, expected, replacement, successOrder, failureOrder)
#define ma_atomic_compare_exchange_weak_explicit_32(dst, expected, replacement, successOrder, failureOrder) ma_atomic_compare_exchange_strong_explicit_32(dst, expected, replacement, successOrder, failureOrder)
#define ma_atomic_compare_exchange_weak_explicit_64(dst, expected, replacement, successOrder, failureOrder) ma_atomic_compare_exchange_strong_explicit_64(dst, expected, replacement, successOrder, failureOrder)
#endif
#if defined(MA_64BIT)
static MA_INLINE ma_bool32 ma_atomic_is_lock_free_ptr(volatile void** ptr)
{
return ma_atomic_is_lock_free_64((volatile ma_uint64*)ptr);
}
static MA_INLINE void* ma_atomic_load_explicit_ptr(volatile void** ptr, ma_atomic_memory_order order)
{
return (void*)ma_atomic_load_explicit_64((volatile ma_uint64*)ptr, order);
}
static MA_INLINE void ma_atomic_store_explicit_ptr(volatile void** dst, void* src, ma_atomic_memory_order order)
{
ma_atomic_store_explicit_64((volatile ma_uint64*)dst, (ma_uint64)src, order);
}
static MA_INLINE void* ma_atomic_exchange_explicit_ptr(volatile void** dst, void* src, ma_atomic_memory_order order)
{
return (void*)ma_atomic_exchange_explicit_64((volatile ma_uint64*)dst, (ma_uint64)src, order);
}
static MA_INLINE ma_bool32 ma_atomic_compare_exchange_strong_explicit_ptr(volatile void** dst, void** expected, void* replacement, ma_atomic_memory_order successOrder, ma_atomic_memory_order failureOrder)
{
return ma_atomic_compare_exchange_strong_explicit_64((volatile ma_uint64*)dst, (ma_uint64*)expected, (ma_uint64)replacement, successOrder, failureOrder);
}
static MA_INLINE ma_bool32 ma_atomic_compare_exchange_weak_explicit_ptr(volatile void** dst, void** expected, void* replacement, ma_atomic_memory_order successOrder, ma_atomic_memory_order failureOrder)
{
return ma_atomic_compare_exchange_weak_explicit_64((volatile ma_uint64*)dst, (ma_uint64*)expected, (ma_uint64)replacement, successOrder, failureOrder);
}
static MA_INLINE void* ma_atomic_compare_and_swap_ptr(volatile void** dst, void* expected, void* replacement)
{
return (void*)ma_atomic_compare_and_swap_64((volatile ma_uint64*)dst, (ma_uint64)expected, (ma_uint64)replacement);
}
#elif defined(MA_32BIT)
static MA_INLINE ma_bool32 ma_atomic_is_lock_free_ptr(volatile void** ptr)
{
return ma_atomic_is_lock_free_32((volatile ma_uint32*)ptr);
}
static MA_INLINE void* ma_atomic_load_explicit_ptr(volatile void** ptr, ma_atomic_memory_order order)
{
return (void*)ma_atomic_load_explicit_32((volatile ma_uint32*)ptr, order);
}
static MA_INLINE void ma_atomic_store_explicit_ptr(volatile void** dst, void* src, ma_atomic_memory_order order)
{
ma_atomic_store_explicit_32((volatile ma_uint32*)dst, (ma_uint32)src, order);
}
static MA_INLINE void* ma_atomic_exchange_explicit_ptr(volatile void** dst, void* src, ma_atomic_memory_order order)
{
return (void*)ma_atomic_exchange_explicit_32((volatile ma_uint32*)dst, (ma_uint32)src, order);
}
static MA_INLINE ma_bool32 ma_atomic_compare_exchange_strong_explicit_ptr(volatile void** dst, void** expected, void* replacement, ma_atomic_memory_order successOrder, ma_atomic_memory_order failureOrder)
{
return ma_atomic_compare_exchange_strong_explicit_32((volatile ma_uint32*)dst, (ma_uint32*)expected, (ma_uint32)replacement, successOrder, failureOrder);
}
static MA_INLINE ma_bool32 ma_atomic_compare_exchange_weak_explicit_ptr(volatile void** dst, void** expected, void* replacement, ma_atomic_memory_order successOrder, ma_atomic_memory_order failureOrder)
{
return ma_atomic_compare_exchange_weak_explicit_32((volatile ma_uint32*)dst, (ma_uint32*)expected, (ma_uint32)replacement, successOrder, failureOrder);
}
static MA_INLINE void* ma_atomic_compare_and_swap_ptr(volatile void** dst, void* expected, void* replacement)
{
return (void*)ma_atomic_compare_and_swap_32((volatile ma_uint32*)dst, (ma_uint32)expected, (ma_uint32)replacement);
}
#else
#error Unsupported architecture.
#endif
#define ma_atomic_store_ptr(dst, src) ma_atomic_store_explicit_ptr((volatile void**)dst, (void*)src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_load_ptr(ptr) ma_atomic_load_explicit_ptr((volatile void**)ptr, ma_atomic_memory_order_seq_cst)
#define ma_atomic_exchange_ptr(dst, src) ma_atomic_exchange_explicit_ptr((volatile void**)dst, (void*)src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_compare_exchange_strong_ptr(dst, expected, replacement) ma_atomic_compare_exchange_strong_explicit_ptr((volatile void**)dst, (void**)expected, (void*)replacement, ma_atomic_memory_order_seq_cst, ma_atomic_memory_order_seq_cst)
#define ma_atomic_compare_exchange_weak_ptr(dst, expected, replacement) ma_atomic_compare_exchange_weak_explicit_ptr((volatile void**)dst, (void**)expected, (void*)replacement, ma_atomic_memory_order_seq_cst, ma_atomic_memory_order_seq_cst)
#define ma_atomic_store_8( dst, src) ma_atomic_store_explicit_8( dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_store_16(dst, src) ma_atomic_store_explicit_16(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_store_32(dst, src) ma_atomic_store_explicit_32(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_store_64(dst, src) ma_atomic_store_explicit_64(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_load_8( ptr) ma_atomic_load_explicit_8( ptr, ma_atomic_memory_order_seq_cst)
#define ma_atomic_load_16(ptr) ma_atomic_load_explicit_16(ptr, ma_atomic_memory_order_seq_cst)
#define ma_atomic_load_32(ptr) ma_atomic_load_explicit_32(ptr, ma_atomic_memory_order_seq_cst)
#define ma_atomic_load_64(ptr) ma_atomic_load_explicit_64(ptr, ma_atomic_memory_order_seq_cst)
#define ma_atomic_exchange_8( dst, src) ma_atomic_exchange_explicit_8( dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_exchange_16(dst, src) ma_atomic_exchange_explicit_16(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_exchange_32(dst, src) ma_atomic_exchange_explicit_32(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_exchange_64(dst, src) ma_atomic_exchange_explicit_64(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_compare_exchange_strong_8( dst, expected, replacement) ma_atomic_compare_exchange_strong_explicit_8( dst, expected, replacement, ma_atomic_memory_order_seq_cst, ma_atomic_memory_order_seq_cst)
#define ma_atomic_compare_exchange_strong_16(dst, expected, replacement) ma_atomic_compare_exchange_strong_explicit_16(dst, expected, replacement, ma_atomic_memory_order_seq_cst, ma_atomic_memory_order_seq_cst)
#define ma_atomic_compare_exchange_strong_32(dst, expected, replacement) ma_atomic_compare_exchange_strong_explicit_32(dst, expected, replacement, ma_atomic_memory_order_seq_cst, ma_atomic_memory_order_seq_cst)
#define ma_atomic_compare_exchange_strong_64(dst, expected, replacement) ma_atomic_compare_exchange_strong_explicit_64(dst, expected, replacement, ma_atomic_memory_order_seq_cst, ma_atomic_memory_order_seq_cst)
#define ma_atomic_compare_exchange_weak_8( dst, expected, replacement) ma_atomic_compare_exchange_weak_explicit_8( dst, expected, replacement, ma_atomic_memory_order_seq_cst, ma_atomic_memory_order_seq_cst)
#define ma_atomic_compare_exchange_weak_16( dst, expected, replacement) ma_atomic_compare_exchange_weak_explicit_16(dst, expected, replacement, ma_atomic_memory_order_seq_cst, ma_atomic_memory_order_seq_cst)
#define ma_atomic_compare_exchange_weak_32( dst, expected, replacement) ma_atomic_compare_exchange_weak_explicit_32(dst, expected, replacement, ma_atomic_memory_order_seq_cst, ma_atomic_memory_order_seq_cst)
#define ma_atomic_compare_exchange_weak_64( dst, expected, replacement) ma_atomic_compare_exchange_weak_explicit_64(dst, expected, replacement, ma_atomic_memory_order_seq_cst, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_add_8( dst, src) ma_atomic_fetch_add_explicit_8( dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_add_16(dst, src) ma_atomic_fetch_add_explicit_16(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_add_32(dst, src) ma_atomic_fetch_add_explicit_32(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_add_64(dst, src) ma_atomic_fetch_add_explicit_64(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_sub_8( dst, src) ma_atomic_fetch_sub_explicit_8( dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_sub_16(dst, src) ma_atomic_fetch_sub_explicit_16(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_sub_32(dst, src) ma_atomic_fetch_sub_explicit_32(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_sub_64(dst, src) ma_atomic_fetch_sub_explicit_64(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_or_8( dst, src) ma_atomic_fetch_or_explicit_8( dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_or_16(dst, src) ma_atomic_fetch_or_explicit_16(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_or_32(dst, src) ma_atomic_fetch_or_explicit_32(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_or_64(dst, src) ma_atomic_fetch_or_explicit_64(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_xor_8( dst, src) ma_atomic_fetch_xor_explicit_8( dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_xor_16(dst, src) ma_atomic_fetch_xor_explicit_16(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_xor_32(dst, src) ma_atomic_fetch_xor_explicit_32(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_xor_64(dst, src) ma_atomic_fetch_xor_explicit_64(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_and_8( dst, src) ma_atomic_fetch_and_explicit_8 (dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_and_16(dst, src) ma_atomic_fetch_and_explicit_16(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_and_32(dst, src) ma_atomic_fetch_and_explicit_32(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_and_64(dst, src) ma_atomic_fetch_and_explicit_64(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_store_explicit_i8( dst, src, order) ma_atomic_store_explicit_8( (ma_uint8* )dst, (ma_uint8 )src, order)
#define ma_atomic_store_explicit_i16(dst, src, order) ma_atomic_store_explicit_16((ma_uint16*)dst, (ma_uint16)src, order)
#define ma_atomic_store_explicit_i32(dst, src, order) ma_atomic_store_explicit_32((ma_uint32*)dst, (ma_uint32)src, order)
#define ma_atomic_store_explicit_i64(dst, src, order) ma_atomic_store_explicit_64((ma_uint64*)dst, (ma_uint64)src, order)
#define ma_atomic_load_explicit_i8( ptr, order) (ma_int8 )ma_atomic_load_explicit_8( (ma_uint8* )ptr, order)
#define ma_atomic_load_explicit_i16(ptr, order) (ma_int16)ma_atomic_load_explicit_16((ma_uint16*)ptr, order)
#define ma_atomic_load_explicit_i32(ptr, order) (ma_int32)ma_atomic_load_explicit_32((ma_uint32*)ptr, order)
#define ma_atomic_load_explicit_i64(ptr, order) (ma_int64)ma_atomic_load_explicit_64((ma_uint64*)ptr, order)
#define ma_atomic_exchange_explicit_i8( dst, src, order) (ma_int8 )ma_atomic_exchange_explicit_8 ((ma_uint8* )dst, (ma_uint8 )src, order)
#define ma_atomic_exchange_explicit_i16(dst, src, order) (ma_int16)ma_atomic_exchange_explicit_16((ma_uint16*)dst, (ma_uint16)src, order)
#define ma_atomic_exchange_explicit_i32(dst, src, order) (ma_int32)ma_atomic_exchange_explicit_32((ma_uint32*)dst, (ma_uint32)src, order)
#define ma_atomic_exchange_explicit_i64(dst, src, order) (ma_int64)ma_atomic_exchange_explicit_64((ma_uint64*)dst, (ma_uint64)src, order)
#define ma_atomic_compare_exchange_strong_explicit_i8( dst, expected, replacement, successOrder, failureOrder) ma_atomic_compare_exchange_strong_explicit_8( (ma_uint8* )dst, (ma_uint8* )expected, (ma_uint8 )replacement, successOrder, failureOrder)
#define ma_atomic_compare_exchange_strong_explicit_i16(dst, expected, replacement, successOrder, failureOrder) ma_atomic_compare_exchange_strong_explicit_16((ma_uint16*)dst, (ma_uint16*)expected, (ma_uint16)replacement, successOrder, failureOrder)
#define ma_atomic_compare_exchange_strong_explicit_i32(dst, expected, replacement, successOrder, failureOrder) ma_atomic_compare_exchange_strong_explicit_32((ma_uint32*)dst, (ma_uint32*)expected, (ma_uint32)replacement, successOrder, failureOrder)
#define ma_atomic_compare_exchange_strong_explicit_i64(dst, expected, replacement, successOrder, failureOrder) ma_atomic_compare_exchange_strong_explicit_64((ma_uint64*)dst, (ma_uint64*)expected, (ma_uint64)replacement, successOrder, failureOrder)
#define ma_atomic_compare_exchange_weak_explicit_i8( dst, expected, replacement, successOrder, failureOrder) ma_atomic_compare_exchange_weak_explicit_8( (ma_uint8* )dst, (ma_uint8* )expected, (ma_uint8 )replacement, successOrder, failureOrder)
#define ma_atomic_compare_exchange_weak_explicit_i16(dst, expected, replacement, successOrder, failureOrder) ma_atomic_compare_exchange_weak_explicit_16((ma_uint16*)dst, (ma_uint16*)expected, (ma_uint16)replacement, successOrder, failureOrder)
#define ma_atomic_compare_exchange_weak_explicit_i32(dst, expected, replacement, successOrder, failureOrder) ma_atomic_compare_exchange_weak_explicit_32((ma_uint32*)dst, (ma_uint32*)expected, (ma_uint32)replacement, successOrder, failureOrder)
#define ma_atomic_compare_exchange_weak_explicit_i64(dst, expected, replacement, successOrder, failureOrder) ma_atomic_compare_exchange_weak_explicit_64((ma_uint64*)dst, (ma_uint64*)expected, (ma_uint64)replacement, successOrder, failureOrder)
#define ma_atomic_fetch_add_explicit_i8( dst, src, order) (ma_int8 )ma_atomic_fetch_add_explicit_8( (ma_uint8* )dst, (ma_uint8 )src, order)
#define ma_atomic_fetch_add_explicit_i16(dst, src, order) (ma_int16)ma_atomic_fetch_add_explicit_16((ma_uint16*)dst, (ma_uint16)src, order)
#define ma_atomic_fetch_add_explicit_i32(dst, src, order) (ma_int32)ma_atomic_fetch_add_explicit_32((ma_uint32*)dst, (ma_uint32)src, order)
#define ma_atomic_fetch_add_explicit_i64(dst, src, order) (ma_int64)ma_atomic_fetch_add_explicit_64((ma_uint64*)dst, (ma_uint64)src, order)
#define ma_atomic_fetch_sub_explicit_i8( dst, src, order) (ma_int8 )ma_atomic_fetch_sub_explicit_8( (ma_uint8* )dst, (ma_uint8 )src, order)
#define ma_atomic_fetch_sub_explicit_i16(dst, src, order) (ma_int16)ma_atomic_fetch_sub_explicit_16((ma_uint16*)dst, (ma_uint16)src, order)
#define ma_atomic_fetch_sub_explicit_i32(dst, src, order) (ma_int32)ma_atomic_fetch_sub_explicit_32((ma_uint32*)dst, (ma_uint32)src, order)
#define ma_atomic_fetch_sub_explicit_i64(dst, src, order) (ma_int64)ma_atomic_fetch_sub_explicit_64((ma_uint64*)dst, (ma_uint64)src, order)
#define ma_atomic_fetch_or_explicit_i8( dst, src, order) (ma_int8 )ma_atomic_fetch_or_explicit_8( (ma_uint8* )dst, (ma_uint8 )src, order)
#define ma_atomic_fetch_or_explicit_i16(dst, src, order) (ma_int16)ma_atomic_fetch_or_explicit_16((ma_uint16*)dst, (ma_uint16)src, order)
#define ma_atomic_fetch_or_explicit_i32(dst, src, order) (ma_int32)ma_atomic_fetch_or_explicit_32((ma_uint32*)dst, (ma_uint32)src, order)
#define ma_atomic_fetch_or_explicit_i64(dst, src, order) (ma_int64)ma_atomic_fetch_or_explicit_64((ma_uint64*)dst, (ma_uint64)src, order)
#define ma_atomic_fetch_xor_explicit_i8( dst, src, order) (ma_int8 )ma_atomic_fetch_xor_explicit_8( (ma_uint8* )dst, (ma_uint8 )src, order)
#define ma_atomic_fetch_xor_explicit_i16(dst, src, order) (ma_int16)ma_atomic_fetch_xor_explicit_16((ma_uint16*)dst, (ma_uint16)src, order)
#define ma_atomic_fetch_xor_explicit_i32(dst, src, order) (ma_int32)ma_atomic_fetch_xor_explicit_32((ma_uint32*)dst, (ma_uint32)src, order)
#define ma_atomic_fetch_xor_explicit_i64(dst, src, order) (ma_int64)ma_atomic_fetch_xor_explicit_64((ma_uint64*)dst, (ma_uint64)src, order)
#define ma_atomic_fetch_and_explicit_i8( dst, src, order) (ma_int8 )ma_atomic_fetch_and_explicit_8( (ma_uint8* )dst, (ma_uint8 )src, order)
#define ma_atomic_fetch_and_explicit_i16(dst, src, order) (ma_int16)ma_atomic_fetch_and_explicit_16((ma_uint16*)dst, (ma_uint16)src, order)
#define ma_atomic_fetch_and_explicit_i32(dst, src, order) (ma_int32)ma_atomic_fetch_and_explicit_32((ma_uint32*)dst, (ma_uint32)src, order)
#define ma_atomic_fetch_and_explicit_i64(dst, src, order) (ma_int64)ma_atomic_fetch_and_explicit_64((ma_uint64*)dst, (ma_uint64)src, order)
#define ma_atomic_store_i8( dst, src) ma_atomic_store_explicit_i8( dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_store_i16(dst, src) ma_atomic_store_explicit_i16(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_store_i32(dst, src) ma_atomic_store_explicit_i32(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_store_i64(dst, src) ma_atomic_store_explicit_i64(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_load_i8( ptr) ma_atomic_load_explicit_i8( ptr, ma_atomic_memory_order_seq_cst)
#define ma_atomic_load_i16(ptr) ma_atomic_load_explicit_i16(ptr, ma_atomic_memory_order_seq_cst)
#define ma_atomic_load_i32(ptr) ma_atomic_load_explicit_i32(ptr, ma_atomic_memory_order_seq_cst)
#define ma_atomic_load_i64(ptr) ma_atomic_load_explicit_i64(ptr, ma_atomic_memory_order_seq_cst)
#define ma_atomic_exchange_i8( dst, src) ma_atomic_exchange_explicit_i8( dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_exchange_i16(dst, src) ma_atomic_exchange_explicit_i16(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_exchange_i32(dst, src) ma_atomic_exchange_explicit_i32(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_exchange_i64(dst, src) ma_atomic_exchange_explicit_i64(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_compare_exchange_strong_i8( dst, expected, replacement) ma_atomic_compare_exchange_strong_explicit_i8( dst, expected, replacement, ma_atomic_memory_order_seq_cst, ma_atomic_memory_order_seq_cst)
#define ma_atomic_compare_exchange_strong_i16(dst, expected, replacement) ma_atomic_compare_exchange_strong_explicit_i16(dst, expected, replacement, ma_atomic_memory_order_seq_cst, ma_atomic_memory_order_seq_cst)
#define ma_atomic_compare_exchange_strong_i32(dst, expected, replacement) ma_atomic_compare_exchange_strong_explicit_i32(dst, expected, replacement, ma_atomic_memory_order_seq_cst, ma_atomic_memory_order_seq_cst)
#define ma_atomic_compare_exchange_strong_i64(dst, expected, replacement) ma_atomic_compare_exchange_strong_explicit_i64(dst, expected, replacement, ma_atomic_memory_order_seq_cst, ma_atomic_memory_order_seq_cst)
#define ma_atomic_compare_exchange_weak_i8( dst, expected, replacement) ma_atomic_compare_exchange_weak_explicit_i8( dst, expected, replacement, ma_atomic_memory_order_seq_cst, ma_atomic_memory_order_seq_cst)
#define ma_atomic_compare_exchange_weak_i16(dst, expected, replacement) ma_atomic_compare_exchange_weak_explicit_i16(dst, expected, replacement, ma_atomic_memory_order_seq_cst, ma_atomic_memory_order_seq_cst)
#define ma_atomic_compare_exchange_weak_i32(dst, expected, replacement) ma_atomic_compare_exchange_weak_explicit_i32(dst, expected, replacement, ma_atomic_memory_order_seq_cst, ma_atomic_memory_order_seq_cst)
#define ma_atomic_compare_exchange_weak_i64(dst, expected, replacement) ma_atomic_compare_exchange_weak_explicit_i64(dst, expected, replacement, ma_atomic_memory_order_seq_cst, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_add_i8( dst, src) ma_atomic_fetch_add_explicit_i8( dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_add_i16(dst, src) ma_atomic_fetch_add_explicit_i16(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_add_i32(dst, src) ma_atomic_fetch_add_explicit_i32(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_add_i64(dst, src) ma_atomic_fetch_add_explicit_i64(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_sub_i8( dst, src) ma_atomic_fetch_sub_explicit_i8( dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_sub_i16(dst, src) ma_atomic_fetch_sub_explicit_i16(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_sub_i32(dst, src) ma_atomic_fetch_sub_explicit_i32(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_sub_i64(dst, src) ma_atomic_fetch_sub_explicit_i64(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_or_i8( dst, src) ma_atomic_fetch_or_explicit_i8( dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_or_i16(dst, src) ma_atomic_fetch_or_explicit_i16(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_or_i32(dst, src) ma_atomic_fetch_or_explicit_i32(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_or_i64(dst, src) ma_atomic_fetch_or_explicit_i64(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_xor_i8( dst, src) ma_atomic_fetch_xor_explicit_i8( dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_xor_i16(dst, src) ma_atomic_fetch_xor_explicit_i16(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_xor_i32(dst, src) ma_atomic_fetch_xor_explicit_i32(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_xor_i64(dst, src) ma_atomic_fetch_xor_explicit_i64(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_and_i8( dst, src) ma_atomic_fetch_and_explicit_i8( dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_and_i16(dst, src) ma_atomic_fetch_and_explicit_i16(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_and_i32(dst, src) ma_atomic_fetch_and_explicit_i32(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_and_i64(dst, src) ma_atomic_fetch_and_explicit_i64(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_compare_and_swap_i8( dst, expected, dedsired) (ma_int8 )ma_atomic_compare_and_swap_8( (ma_uint8* )dst, (ma_uint8 )expected, (ma_uint8 )dedsired)
#define ma_atomic_compare_and_swap_i16(dst, expected, dedsired) (ma_int16)ma_atomic_compare_and_swap_16((ma_uint16*)dst, (ma_uint16)expected, (ma_uint16)dedsired)
#define ma_atomic_compare_and_swap_i32(dst, expected, dedsired) (ma_int32)ma_atomic_compare_and_swap_32((ma_uint32*)dst, (ma_uint32)expected, (ma_uint32)dedsired)
#define ma_atomic_compare_and_swap_i64(dst, expected, dedsired) (ma_int64)ma_atomic_compare_and_swap_64((ma_uint64*)dst, (ma_uint64)expected, (ma_uint64)dedsired)
typedef union
{
ma_uint32 i;
float f;
} ma_atomic_if32;
typedef union
{
ma_uint64 i;
double f;
} ma_atomic_if64;
#define ma_atomic_clear_explicit_f32(ptr, order) ma_atomic_clear_explicit_32((ma_uint32*)ptr, order)
#define ma_atomic_clear_explicit_f64(ptr, order) ma_atomic_clear_explicit_64((ma_uint64*)ptr, order)
static MA_INLINE void ma_atomic_store_explicit_f32(volatile float* dst, float src, ma_atomic_memory_order order)
{
ma_atomic_if32 x;
x.f = src;
ma_atomic_store_explicit_32((volatile ma_uint32*)dst, x.i, order);
}
static MA_INLINE void ma_atomic_store_explicit_f64(volatile double* dst, double src, ma_atomic_memory_order order)
{
ma_atomic_if64 x;
x.f = src;
ma_atomic_store_explicit_64((volatile ma_uint64*)dst, x.i, order);
}
static MA_INLINE float ma_atomic_load_explicit_f32(volatile const float* ptr, ma_atomic_memory_order order)
{
ma_atomic_if32 r;
r.i = ma_atomic_load_explicit_32((volatile const ma_uint32*)ptr, order);
return r.f;
}
static MA_INLINE double ma_atomic_load_explicit_f64(volatile const double* ptr, ma_atomic_memory_order order)
{
ma_atomic_if64 r;
r.i = ma_atomic_load_explicit_64((volatile const ma_uint64*)ptr, order);
return r.f;
}
static MA_INLINE float ma_atomic_exchange_explicit_f32(volatile float* dst, float src, ma_atomic_memory_order order)
{
ma_atomic_if32 r;
ma_atomic_if32 x;
x.f = src;
r.i = ma_atomic_exchange_explicit_32((volatile ma_uint32*)dst, x.i, order);
return r.f;
}
static MA_INLINE double ma_atomic_exchange_explicit_f64(volatile double* dst, double src, ma_atomic_memory_order order)
{
ma_atomic_if64 r;
ma_atomic_if64 x;
x.f = src;
r.i = ma_atomic_exchange_explicit_64((volatile ma_uint64*)dst, x.i, order);
return r.f;
}
static MA_INLINE ma_bool32 ma_atomic_compare_exchange_strong_explicit_f32(volatile float* dst, float* expected, float replacement, ma_atomic_memory_order successOrder, ma_atomic_memory_order failureOrder)
{
ma_atomic_if32 d;
d.f = replacement;
return ma_atomic_compare_exchange_strong_explicit_32((volatile ma_uint32*)dst, (ma_uint32*)expected, d.i, successOrder, failureOrder);
}
static MA_INLINE ma_bool32 ma_atomic_compare_exchange_strong_explicit_f64(volatile double* dst, double* expected, double replacement, ma_atomic_memory_order successOrder, ma_atomic_memory_order failureOrder)
{
ma_atomic_if64 d;
d.f = replacement;
return ma_atomic_compare_exchange_strong_explicit_64((volatile ma_uint64*)dst, (ma_uint64*)expected, d.i, successOrder, failureOrder);
}
static MA_INLINE ma_bool32 ma_atomic_compare_exchange_weak_explicit_f32(volatile float* dst, float* expected, float replacement, ma_atomic_memory_order successOrder, ma_atomic_memory_order failureOrder)
{
ma_atomic_if32 d;
d.f = replacement;
return ma_atomic_compare_exchange_weak_explicit_32((volatile ma_uint32*)dst, (ma_uint32*)expected, d.i, successOrder, failureOrder);
}
static MA_INLINE ma_bool32 ma_atomic_compare_exchange_weak_explicit_f64(volatile double* dst, double* expected, double replacement, ma_atomic_memory_order successOrder, ma_atomic_memory_order failureOrder)
{
ma_atomic_if64 d;
d.f = replacement;
return ma_atomic_compare_exchange_weak_explicit_64((volatile ma_uint64*)dst, (ma_uint64*)expected, d.i, successOrder, failureOrder);
}
static MA_INLINE float ma_atomic_fetch_add_explicit_f32(volatile float* dst, float src, ma_atomic_memory_order order)
{
ma_atomic_if32 r;
ma_atomic_if32 x;
x.f = src;
r.i = ma_atomic_fetch_add_explicit_32((volatile ma_uint32*)dst, x.i, order);
return r.f;
}
static MA_INLINE double ma_atomic_fetch_add_explicit_f64(volatile double* dst, double src, ma_atomic_memory_order order)
{
ma_atomic_if64 r;
ma_atomic_if64 x;
x.f = src;
r.i = ma_atomic_fetch_add_explicit_64((volatile ma_uint64*)dst, x.i, order);
return r.f;
}
static MA_INLINE float ma_atomic_fetch_sub_explicit_f32(volatile float* dst, float src, ma_atomic_memory_order order)
{
ma_atomic_if32 r;
ma_atomic_if32 x;
x.f = src;
r.i = ma_atomic_fetch_sub_explicit_32((volatile ma_uint32*)dst, x.i, order);
return r.f;
}
static MA_INLINE double ma_atomic_fetch_sub_explicit_f64(volatile double* dst, double src, ma_atomic_memory_order order)
{
ma_atomic_if64 r;
ma_atomic_if64 x;
x.f = src;
r.i = ma_atomic_fetch_sub_explicit_64((volatile ma_uint64*)dst, x.i, order);
return r.f;
}
static MA_INLINE float ma_atomic_fetch_or_explicit_f32(volatile float* dst, float src, ma_atomic_memory_order order)
{
ma_atomic_if32 r;
ma_atomic_if32 x;
x.f = src;
r.i = ma_atomic_fetch_or_explicit_32((volatile ma_uint32*)dst, x.i, order);
return r.f;
}
static MA_INLINE double ma_atomic_fetch_or_explicit_f64(volatile double* dst, double src, ma_atomic_memory_order order)
{
ma_atomic_if64 r;
ma_atomic_if64 x;
x.f = src;
r.i = ma_atomic_fetch_or_explicit_64((volatile ma_uint64*)dst, x.i, order);
return r.f;
}
static MA_INLINE float ma_atomic_fetch_xor_explicit_f32(volatile float* dst, float src, ma_atomic_memory_order order)
{
ma_atomic_if32 r;
ma_atomic_if32 x;
x.f = src;
r.i = ma_atomic_fetch_xor_explicit_32((volatile ma_uint32*)dst, x.i, order);
return r.f;
}
static MA_INLINE double ma_atomic_fetch_xor_explicit_f64(volatile double* dst, double src, ma_atomic_memory_order order)
{
ma_atomic_if64 r;
ma_atomic_if64 x;
x.f = src;
r.i = ma_atomic_fetch_xor_explicit_64((volatile ma_uint64*)dst, x.i, order);
return r.f;
}
static MA_INLINE float ma_atomic_fetch_and_explicit_f32(volatile float* dst, float src, ma_atomic_memory_order order)
{
ma_atomic_if32 r;
ma_atomic_if32 x;
x.f = src;
r.i = ma_atomic_fetch_and_explicit_32((volatile ma_uint32*)dst, x.i, order);
return r.f;
}
static MA_INLINE double ma_atomic_fetch_and_explicit_f64(volatile double* dst, double src, ma_atomic_memory_order order)
{
ma_atomic_if64 r;
ma_atomic_if64 x;
x.f = src;
r.i = ma_atomic_fetch_and_explicit_64((volatile ma_uint64*)dst, x.i, order);
return r.f;
}
#define ma_atomic_clear_f32(ptr) (float )ma_atomic_clear_explicit_f32(ptr, ma_atomic_memory_order_seq_cst)
#define ma_atomic_clear_f64(ptr) (double)ma_atomic_clear_explicit_f64(ptr, ma_atomic_memory_order_seq_cst)
#define ma_atomic_store_f32(dst, src) ma_atomic_store_explicit_f32(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_store_f64(dst, src) ma_atomic_store_explicit_f64(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_load_f32(ptr) (float )ma_atomic_load_explicit_f32(ptr, ma_atomic_memory_order_seq_cst)
#define ma_atomic_load_f64(ptr) (double)ma_atomic_load_explicit_f64(ptr, ma_atomic_memory_order_seq_cst)
#define ma_atomic_exchange_f32(dst, src) (float )ma_atomic_exchange_explicit_f32(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_exchange_f64(dst, src) (double)ma_atomic_exchange_explicit_f64(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_compare_exchange_strong_f32(dst, expected, replacement) ma_atomic_compare_exchange_strong_explicit_f32(dst, expected, replacement, ma_atomic_memory_order_seq_cst, ma_atomic_memory_order_seq_cst)
#define ma_atomic_compare_exchange_strong_f64(dst, expected, replacement) ma_atomic_compare_exchange_strong_explicit_f64(dst, expected, replacement, ma_atomic_memory_order_seq_cst, ma_atomic_memory_order_seq_cst)
#define ma_atomic_compare_exchange_weak_f32(dst, expected, replacement) ma_atomic_compare_exchange_weak_explicit_f32(dst, expected, replacement, ma_atomic_memory_order_seq_cst, ma_atomic_memory_order_seq_cst)
#define ma_atomic_compare_exchange_weak_f64(dst, expected, replacement) ma_atomic_compare_exchange_weak_explicit_f64(dst, expected, replacement, ma_atomic_memory_order_seq_cst, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_add_f32(dst, src) ma_atomic_fetch_add_explicit_f32(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_add_f64(dst, src) ma_atomic_fetch_add_explicit_f64(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_sub_f32(dst, src) ma_atomic_fetch_sub_explicit_f32(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_sub_f64(dst, src) ma_atomic_fetch_sub_explicit_f64(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_or_f32(dst, src) ma_atomic_fetch_or_explicit_f32(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_or_f64(dst, src) ma_atomic_fetch_or_explicit_f64(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_xor_f32(dst, src) ma_atomic_fetch_xor_explicit_f32(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_xor_f64(dst, src) ma_atomic_fetch_xor_explicit_f64(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_and_f32(dst, src) ma_atomic_fetch_and_explicit_f32(dst, src, ma_atomic_memory_order_seq_cst)
#define ma_atomic_fetch_and_f64(dst, src) ma_atomic_fetch_and_explicit_f64(dst, src, ma_atomic_memory_order_seq_cst)
static MA_INLINE float ma_atomic_compare_and_swap_f32(volatile float* dst, float expected, float replacement)
{
ma_atomic_if32 r;
ma_atomic_if32 e, d;
e.f = expected;
d.f = replacement;
r.i = ma_atomic_compare_and_swap_32((volatile ma_uint32*)dst, e.i, d.i);
return r.f;
}
static MA_INLINE double ma_atomic_compare_and_swap_f64(volatile double* dst, double expected, double replacement)
{
ma_atomic_if64 r;
ma_atomic_if64 e, d;
e.f = expected;
d.f = replacement;
r.i = ma_atomic_compare_and_swap_64((volatile ma_uint64*)dst, e.i, d.i);
return r.f;
}
#if defined(__clang__) || (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)))
#pragma GCC diagnostic pop
#endif
#if defined(__cplusplus)
}
#endif
#endif
#define MA_ATOMIC_SAFE_TYPE_IMPL(c89TypeExtension, type) \
static MA_INLINE ma_##type ma_atomic_##type##_get(ma_atomic_##type* x) \
{ \
return (ma_##type)ma_atomic_load_##c89TypeExtension(&x->value); \
} \
static MA_INLINE void ma_atomic_##type##_set(ma_atomic_##type* x, ma_##type value) \
{ \
ma_atomic_store_##c89TypeExtension(&x->value, value); \
} \
static MA_INLINE ma_##type ma_atomic_##type##_exchange(ma_atomic_##type* x, ma_##type value) \
{ \
return (ma_##type)ma_atomic_exchange_##c89TypeExtension(&x->value, value); \
} \
static MA_INLINE ma_bool32 ma_atomic_##type##_compare_exchange(ma_atomic_##type* x, ma_##type* expected, ma_##type desired) \
{ \
return ma_atomic_compare_exchange_weak_##c89TypeExtension(&x->value, expected, desired); \
} \
static MA_INLINE ma_##type ma_atomic_##type##_fetch_add(ma_atomic_##type* x, ma_##type y) \
{ \
return (ma_##type)ma_atomic_fetch_add_##c89TypeExtension(&x->value, y); \
} \
static MA_INLINE ma_##type ma_atomic_##type##_fetch_sub(ma_atomic_##type* x, ma_##type y) \
{ \
return (ma_##type)ma_atomic_fetch_sub_##c89TypeExtension(&x->value, y); \
} \
static MA_INLINE ma_##type ma_atomic_##type##_fetch_or(ma_atomic_##type* x, ma_##type y) \
{ \
return (ma_##type)ma_atomic_fetch_or_##c89TypeExtension(&x->value, y); \
} \
static MA_INLINE ma_##type ma_atomic_##type##_fetch_xor(ma_atomic_##type* x, ma_##type y) \
{ \
return (ma_##type)ma_atomic_fetch_xor_##c89TypeExtension(&x->value, y); \
} \
static MA_INLINE ma_##type ma_atomic_##type##_fetch_and(ma_atomic_##type* x, ma_##type y) \
{ \
return (ma_##type)ma_atomic_fetch_and_##c89TypeExtension(&x->value, y); \
} \
static MA_INLINE ma_##type ma_atomic_##type##_compare_and_swap(ma_atomic_##type* x, ma_##type expected, ma_##type desired) \
{ \
return (ma_##type)ma_atomic_compare_and_swap_##c89TypeExtension(&x->value, expected, desired); \
} \
#define MA_ATOMIC_SAFE_TYPE_IMPL_PTR(type) \
static MA_INLINE ma_##type* ma_atomic_ptr_##type##_get(ma_atomic_ptr_##type* x) \
{ \
return ma_atomic_load_ptr((void**)&x->value); \
} \
static MA_INLINE void ma_atomic_ptr_##type##_set(ma_atomic_ptr_##type* x, ma_##type* value) \
{ \
ma_atomic_store_ptr((void**)&x->value, (void*)value); \
} \
static MA_INLINE ma_##type* ma_atomic_ptr_##type##_exchange(ma_atomic_ptr_##type* x, ma_##type* value) \
{ \
return ma_atomic_exchange_ptr((void**)&x->value, (void*)value); \
} \
static MA_INLINE ma_bool32 ma_atomic_ptr_##type##_compare_exchange(ma_atomic_ptr_##type* x, ma_##type** expected, ma_##type* desired) \
{ \
return ma_atomic_compare_exchange_weak_ptr((void**)&x->value, (void*)expected, (void*)desired); \
} \
static MA_INLINE ma_##type* ma_atomic_ptr_##type##_compare_and_swap(ma_atomic_ptr_##type* x, ma_##type* expected, ma_##type* desired) \
{ \
return (ma_##type*)ma_atomic_compare_and_swap_ptr((void**)&x->value, (void*)expected, (void*)desired); \
} \
MA_ATOMIC_SAFE_TYPE_IMPL(32, uint32)
MA_ATOMIC_SAFE_TYPE_IMPL(i32, int32)
MA_ATOMIC_SAFE_TYPE_IMPL(64, uint64)
MA_ATOMIC_SAFE_TYPE_IMPL(f32, float)
MA_ATOMIC_SAFE_TYPE_IMPL(32, bool32)
#if !defined(MA_NO_DEVICE_IO)
MA_ATOMIC_SAFE_TYPE_IMPL(i32, device_state)
#endif
MA_API ma_uint64 ma_calculate_frame_count_after_resampling(ma_uint32 sampleRateOut, ma_uint32 sampleRateIn, ma_uint64 frameCountIn)
{
ma_uint64 outputFrameCount;
ma_uint64 preliminaryInputFrameCountFromFrac;
ma_uint64 preliminaryInputFrameCount;
if (sampleRateIn == 0 || sampleRateOut == 0 || frameCountIn == 0) {
return 0;
}
if (sampleRateOut == sampleRateIn) {
return frameCountIn;
}
outputFrameCount = (frameCountIn * sampleRateOut) / sampleRateIn;
preliminaryInputFrameCountFromFrac = (outputFrameCount * (sampleRateIn / sampleRateOut)) / sampleRateOut;
preliminaryInputFrameCount = (outputFrameCount * (sampleRateIn % sampleRateOut)) + preliminaryInputFrameCountFromFrac;
if (preliminaryInputFrameCount <= frameCountIn) {
outputFrameCount += 1;
}
return outputFrameCount;
}
#ifndef MA_DATA_CONVERTER_STACK_BUFFER_SIZE
#define MA_DATA_CONVERTER_STACK_BUFFER_SIZE 4096
#endif
#if defined(MA_WIN32)
static ma_result ma_result_from_GetLastError(DWORD error)
{
switch (error)
{
case ERROR_SUCCESS: return MA_SUCCESS;
case ERROR_PATH_NOT_FOUND: return MA_DOES_NOT_EXIST;
case ERROR_TOO_MANY_OPEN_FILES: return MA_TOO_MANY_OPEN_FILES;
case ERROR_NOT_ENOUGH_MEMORY: return MA_OUT_OF_MEMORY;
case ERROR_DISK_FULL: return MA_NO_SPACE;
case ERROR_HANDLE_EOF: return MA_AT_END;
case ERROR_NEGATIVE_SEEK: return MA_BAD_SEEK;
case ERROR_INVALID_PARAMETER: return MA_INVALID_ARGS;
case ERROR_ACCESS_DENIED: return MA_ACCESS_DENIED;
case ERROR_SEM_TIMEOUT: return MA_TIMEOUT;
case ERROR_FILE_NOT_FOUND: return MA_DOES_NOT_EXIST;
default: break;
}
return MA_ERROR;
}
#endif
static MA_INLINE ma_result ma_spinlock_lock_ex(volatile ma_spinlock* pSpinlock, ma_bool32 yield)
{
if (pSpinlock == NULL) {
return MA_INVALID_ARGS;
}
for (;;) {
if (ma_atomic_exchange_explicit_32(pSpinlock, 1, ma_atomic_memory_order_acquire) == 0) {
break;
}
while (ma_atomic_load_explicit_32(pSpinlock, ma_atomic_memory_order_relaxed) == 1) {
if (yield) {
ma_yield();
}
}
}
return MA_SUCCESS;
}
MA_API ma_result ma_spinlock_lock(volatile ma_spinlock* pSpinlock)
{
return ma_spinlock_lock_ex(pSpinlock, MA_TRUE);
}
MA_API ma_result ma_spinlock_lock_noyield(volatile ma_spinlock* pSpinlock)
{
return ma_spinlock_lock_ex(pSpinlock, MA_FALSE);
}
MA_API ma_result ma_spinlock_unlock(volatile ma_spinlock* pSpinlock)
{
if (pSpinlock == NULL) {
return MA_INVALID_ARGS;
}
ma_atomic_store_explicit_32(pSpinlock, 0, ma_atomic_memory_order_release);
return MA_SUCCESS;
}
#ifndef MA_NO_THREADING
#if defined(MA_POSIX)
#define MA_THREADCALL
typedef void* ma_thread_result;
#elif defined(MA_WIN32)
#define MA_THREADCALL WINAPI
typedef unsigned long ma_thread_result;
#endif
typedef ma_thread_result (MA_THREADCALL * ma_thread_entry_proc)(void* pData);
#ifdef MA_POSIX
static ma_result ma_thread_create__posix(ma_thread* pThread, ma_thread_priority priority, size_t stackSize, ma_thread_entry_proc entryProc, void* pData)
{
int result;
pthread_attr_t* pAttr = NULL;
#if !defined(MA_EMSCRIPTEN) && !defined(MA_3DS) && !defined(MA_SWITCH)
pthread_attr_t attr;
if (pthread_attr_init(&attr) == 0) {
int scheduler = -1;
pAttr = &attr;
#if !defined(MA_BEOS)
{
if (priority == ma_thread_priority_idle) {
#ifdef SCHED_IDLE
if (pthread_attr_setschedpolicy(&attr, SCHED_IDLE) == 0) {
scheduler = SCHED_IDLE;
}
#endif
} else if (priority == ma_thread_priority_realtime) {
#ifdef SCHED_FIFO
if (pthread_attr_setschedpolicy(&attr, SCHED_FIFO) == 0) {
scheduler = SCHED_FIFO;
}
#endif
#ifdef MA_LINUX
} else {
scheduler = sched_getscheduler(0);
#endif
}
}
#endif
#if defined(_POSIX_THREAD_ATTR_STACKSIZE) && _POSIX_THREAD_ATTR_STACKSIZE >= 0
{
if (stackSize > 0) {
pthread_attr_setstacksize(&attr, stackSize);
}
}
#else
{
(void)stackSize;
}
#endif
if (scheduler != -1) {
int priorityMin = sched_get_priority_min(scheduler);
int priorityMax = sched_get_priority_max(scheduler);
int priorityStep = (priorityMax - priorityMin) / 7;
struct sched_param sched;
if (priorityMin != -1 && priorityMax != -1 && pthread_attr_getschedparam(&attr, &sched) == 0) {
if (priority == ma_thread_priority_idle) {
sched.sched_priority = priorityMin;
} else if (priority == ma_thread_priority_realtime) {
#if defined(MA_PTHREAD_REALTIME_THREAD_PRIORITY)
{
sched.sched_priority = MA_PTHREAD_REALTIME_THREAD_PRIORITY;
}
#else
{
sched.sched_priority = priorityMax;
}
#endif
} else {
sched.sched_priority += ((int)priority + 5) * priorityStep;
}
if (sched.sched_priority < priorityMin) {
sched.sched_priority = priorityMin;
}
if (sched.sched_priority > priorityMax) {
sched.sched_priority = priorityMax;
}
if (pthread_attr_setschedparam(&attr, &sched) == 0) {
#if !defined(MA_ANDROID) || (defined(__ANDROID_API__) && __ANDROID_API__ >= 28)
{
pthread_attr_setinheritsched(&attr, PTHREAD_EXPLICIT_SCHED);
}
#endif
}
}
}
}
#else
(void)priority;
(void)stackSize;
#endif
result = pthread_create((pthread_t*)pThread, pAttr, entryProc, pData);
if (pAttr != NULL) {
pthread_attr_destroy(pAttr);
}
if (result != 0) {
#ifndef MA_NO_PTHREAD_REALTIME_PRIORITY_FALLBACK
{
if(result == EPERM && priority == ma_thread_priority_realtime) {
return ma_thread_create__posix(pThread, ma_thread_priority_normal, stackSize, entryProc, pData);
}
}
#endif
return ma_result_from_errno(result);
}
return MA_SUCCESS;
}
static void ma_thread_wait__posix(ma_thread* pThread)
{
pthread_join((pthread_t)*pThread, NULL);
}
static ma_result ma_mutex_init__posix(ma_mutex* pMutex)
{
int result;
if (pMutex == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pMutex);
result = pthread_mutex_init((pthread_mutex_t*)pMutex, NULL);
if (result != 0) {
return ma_result_from_errno(result);
}
return MA_SUCCESS;
}
static void ma_mutex_uninit__posix(ma_mutex* pMutex)
{
pthread_mutex_destroy((pthread_mutex_t*)pMutex);
}
static void ma_mutex_lock__posix(ma_mutex* pMutex)
{
pthread_mutex_lock((pthread_mutex_t*)pMutex);
}
static void ma_mutex_unlock__posix(ma_mutex* pMutex)
{
pthread_mutex_unlock((pthread_mutex_t*)pMutex);
}
static ma_result ma_event_init__posix(ma_event* pEvent)
{
int result;
result = pthread_mutex_init((pthread_mutex_t*)&pEvent->lock, NULL);
if (result != 0) {
return ma_result_from_errno(result);
}
result = pthread_cond_init((pthread_cond_t*)&pEvent->cond, NULL);
if (result != 0) {
pthread_mutex_destroy((pthread_mutex_t*)&pEvent->lock);
return ma_result_from_errno(result);
}
pEvent->value = 0;
return MA_SUCCESS;
}
static void ma_event_uninit__posix(ma_event* pEvent)
{
pthread_cond_destroy((pthread_cond_t*)&pEvent->cond);
pthread_mutex_destroy((pthread_mutex_t*)&pEvent->lock);
}
static ma_result ma_event_wait__posix(ma_event* pEvent)
{
pthread_mutex_lock((pthread_mutex_t*)&pEvent->lock);
{
while (pEvent->value == 0) {
pthread_cond_wait((pthread_cond_t*)&pEvent->cond, (pthread_mutex_t*)&pEvent->lock);
}
pEvent->value = 0;
}
pthread_mutex_unlock((pthread_mutex_t*)&pEvent->lock);
return MA_SUCCESS;
}
static ma_result ma_event_signal__posix(ma_event* pEvent)
{
pthread_mutex_lock((pthread_mutex_t*)&pEvent->lock);
{
pEvent->value = 1;
pthread_cond_signal((pthread_cond_t*)&pEvent->cond);
}
pthread_mutex_unlock((pthread_mutex_t*)&pEvent->lock);
return MA_SUCCESS;
}
static ma_result ma_semaphore_init__posix(int initialValue, ma_semaphore* pSemaphore)
{
int result;
if (pSemaphore == NULL) {
return MA_INVALID_ARGS;
}
pSemaphore->value = initialValue;
result = pthread_mutex_init((pthread_mutex_t*)&pSemaphore->lock, NULL);
if (result != 0) {
return ma_result_from_errno(result);
}
result = pthread_cond_init((pthread_cond_t*)&pSemaphore->cond, NULL);
if (result != 0) {
pthread_mutex_destroy((pthread_mutex_t*)&pSemaphore->lock);
return ma_result_from_errno(result);
}
return MA_SUCCESS;
}
static void ma_semaphore_uninit__posix(ma_semaphore* pSemaphore)
{
if (pSemaphore == NULL) {
return;
}
pthread_cond_destroy((pthread_cond_t*)&pSemaphore->cond);
pthread_mutex_destroy((pthread_mutex_t*)&pSemaphore->lock);
}
static ma_result ma_semaphore_wait__posix(ma_semaphore* pSemaphore)
{
if (pSemaphore == NULL) {
return MA_INVALID_ARGS;
}
pthread_mutex_lock((pthread_mutex_t*)&pSemaphore->lock);
{
while (pSemaphore->value == 0) {
pthread_cond_wait((pthread_cond_t*)&pSemaphore->cond, (pthread_mutex_t*)&pSemaphore->lock);
}
pSemaphore->value -= 1;
}
pthread_mutex_unlock((pthread_mutex_t*)&pSemaphore->lock);
return MA_SUCCESS;
}
static ma_result ma_semaphore_release__posix(ma_semaphore* pSemaphore)
{
if (pSemaphore == NULL) {
return MA_INVALID_ARGS;
}
pthread_mutex_lock((pthread_mutex_t*)&pSemaphore->lock);
{
pSemaphore->value += 1;
pthread_cond_signal((pthread_cond_t*)&pSemaphore->cond);
}
pthread_mutex_unlock((pthread_mutex_t*)&pSemaphore->lock);
return MA_SUCCESS;
}
#elif defined(MA_WIN32)
static int ma_thread_priority_to_win32(ma_thread_priority priority)
{
switch (priority) {
case ma_thread_priority_idle: return THREAD_PRIORITY_IDLE;
case ma_thread_priority_lowest: return THREAD_PRIORITY_LOWEST;
case ma_thread_priority_low: return THREAD_PRIORITY_BELOW_NORMAL;
case ma_thread_priority_normal: return THREAD_PRIORITY_NORMAL;
case ma_thread_priority_high: return THREAD_PRIORITY_ABOVE_NORMAL;
case ma_thread_priority_highest: return THREAD_PRIORITY_HIGHEST;
case ma_thread_priority_realtime: return THREAD_PRIORITY_TIME_CRITICAL;
default: return THREAD_PRIORITY_NORMAL;
}
}
static ma_result ma_thread_create__win32(ma_thread* pThread, ma_thread_priority priority, size_t stackSize, ma_thread_entry_proc entryProc, void* pData)
{
DWORD threadID;
*pThread = CreateThread(NULL, stackSize, entryProc, pData, 0, &threadID);
if (*pThread == NULL) {
return ma_result_from_GetLastError(GetLastError());
}
SetThreadPriority((HANDLE)*pThread, ma_thread_priority_to_win32(priority));
return MA_SUCCESS;
}
static void ma_thread_wait__win32(ma_thread* pThread)
{
WaitForSingleObject((HANDLE)*pThread, INFINITE);
CloseHandle((HANDLE)*pThread);
}
static ma_result ma_mutex_init__win32(ma_mutex* pMutex)
{
*pMutex = CreateEventA(NULL, FALSE, TRUE, NULL);
if (*pMutex == NULL) {
return ma_result_from_GetLastError(GetLastError());
}
return MA_SUCCESS;
}
static void ma_mutex_uninit__win32(ma_mutex* pMutex)
{
CloseHandle((HANDLE)*pMutex);
}
static void ma_mutex_lock__win32(ma_mutex* pMutex)
{
WaitForSingleObject((HANDLE)*pMutex, INFINITE);
}
static void ma_mutex_unlock__win32(ma_mutex* pMutex)
{
SetEvent((HANDLE)*pMutex);
}
static ma_result ma_event_init__win32(ma_event* pEvent)
{
*pEvent = CreateEventA(NULL, FALSE, FALSE, NULL);
if (*pEvent == NULL) {
return ma_result_from_GetLastError(GetLastError());
}
return MA_SUCCESS;
}
static void ma_event_uninit__win32(ma_event* pEvent)
{
CloseHandle((HANDLE)*pEvent);
}
static ma_result ma_event_wait__win32(ma_event* pEvent)
{
DWORD result = WaitForSingleObject((HANDLE)*pEvent, INFINITE);
if (result == WAIT_OBJECT_0) {
return MA_SUCCESS;
}
if (result == WAIT_TIMEOUT) {
return MA_TIMEOUT;
}
return ma_result_from_GetLastError(GetLastError());
}
static ma_result ma_event_signal__win32(ma_event* pEvent)
{
BOOL result = SetEvent((HANDLE)*pEvent);
if (result == 0) {
return ma_result_from_GetLastError(GetLastError());
}
return MA_SUCCESS;
}
static ma_result ma_semaphore_init__win32(int initialValue, ma_semaphore* pSemaphore)
{
*pSemaphore = CreateSemaphore(NULL, (LONG)initialValue, LONG_MAX, NULL);
if (*pSemaphore == NULL) {
return ma_result_from_GetLastError(GetLastError());
}
return MA_SUCCESS;
}
static void ma_semaphore_uninit__win32(ma_semaphore* pSemaphore)
{
CloseHandle((HANDLE)*pSemaphore);
}
static ma_result ma_semaphore_wait__win32(ma_semaphore* pSemaphore)
{
DWORD result = WaitForSingleObject((HANDLE)*pSemaphore, INFINITE);
if (result == WAIT_OBJECT_0) {
return MA_SUCCESS;
}
if (result == WAIT_TIMEOUT) {
return MA_TIMEOUT;
}
return ma_result_from_GetLastError(GetLastError());
}
static ma_result ma_semaphore_release__win32(ma_semaphore* pSemaphore)
{
BOOL result = ReleaseSemaphore((HANDLE)*pSemaphore, 1, NULL);
if (result == 0) {
return ma_result_from_GetLastError(GetLastError());
}
return MA_SUCCESS;
}
#endif
typedef struct
{
ma_thread_entry_proc entryProc;
void* pData;
ma_allocation_callbacks allocationCallbacks;
} ma_thread_proxy_data;
static ma_thread_result MA_THREADCALL ma_thread_entry_proxy(void* pData)
{
ma_thread_proxy_data* pProxyData = (ma_thread_proxy_data*)pData;
ma_thread_entry_proc entryProc;
void* pEntryProcData;
ma_thread_result result;
#if defined(MA_ON_THREAD_ENTRY)
MA_ON_THREAD_ENTRY
#endif
entryProc = pProxyData->entryProc;
pEntryProcData = pProxyData->pData;
ma_free(pProxyData, &pProxyData->allocationCallbacks);
result = entryProc(pEntryProcData);
#if defined(MA_ON_THREAD_EXIT)
MA_ON_THREAD_EXIT
#endif
return result;
}
static ma_result ma_thread_create(ma_thread* pThread, ma_thread_priority priority, size_t stackSize, ma_thread_entry_proc entryProc, void* pData, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_result result;
ma_thread_proxy_data* pProxyData;
if (pThread == NULL || entryProc == NULL) {
return MA_INVALID_ARGS;
}
pProxyData = (ma_thread_proxy_data*)ma_malloc(sizeof(*pProxyData), pAllocationCallbacks);
if (pProxyData == NULL) {
return MA_OUT_OF_MEMORY;
}
#if defined(MA_THREAD_DEFAULT_STACK_SIZE)
if (stackSize == 0) {
stackSize = MA_THREAD_DEFAULT_STACK_SIZE;
}
#endif
pProxyData->entryProc = entryProc;
pProxyData->pData = pData;
ma_allocation_callbacks_init_copy(&pProxyData->allocationCallbacks, pAllocationCallbacks);
#if defined(MA_POSIX)
result = ma_thread_create__posix(pThread, priority, stackSize, ma_thread_entry_proxy, pProxyData);
#elif defined(MA_WIN32)
result = ma_thread_create__win32(pThread, priority, stackSize, ma_thread_entry_proxy, pProxyData);
#endif
if (result != MA_SUCCESS) {
ma_free(pProxyData, pAllocationCallbacks);
return result;
}
return MA_SUCCESS;
}
static void ma_thread_wait(ma_thread* pThread)
{
if (pThread == NULL) {
return;
}
#if defined(MA_POSIX)
ma_thread_wait__posix(pThread);
#elif defined(MA_WIN32)
ma_thread_wait__win32(pThread);
#endif
}
MA_API ma_result ma_mutex_init(ma_mutex* pMutex)
{
if (pMutex == NULL) {
MA_ASSERT(MA_FALSE);
return MA_INVALID_ARGS;
}
#if defined(MA_POSIX)
return ma_mutex_init__posix(pMutex);
#elif defined(MA_WIN32)
return ma_mutex_init__win32(pMutex);
#endif
}
MA_API void ma_mutex_uninit(ma_mutex* pMutex)
{
if (pMutex == NULL) {
return;
}
#if defined(MA_POSIX)
ma_mutex_uninit__posix(pMutex);
#elif defined(MA_WIN32)
ma_mutex_uninit__win32(pMutex);
#endif
}
MA_API void ma_mutex_lock(ma_mutex* pMutex)
{
if (pMutex == NULL) {
MA_ASSERT(MA_FALSE);
return;
}
#if defined(MA_POSIX)
ma_mutex_lock__posix(pMutex);
#elif defined(MA_WIN32)
ma_mutex_lock__win32(pMutex);
#endif
}
MA_API void ma_mutex_unlock(ma_mutex* pMutex)
{
if (pMutex == NULL) {
MA_ASSERT(MA_FALSE);
return;
}
#if defined(MA_POSIX)
ma_mutex_unlock__posix(pMutex);
#elif defined(MA_WIN32)
ma_mutex_unlock__win32(pMutex);
#endif
}
MA_API ma_result ma_event_init(ma_event* pEvent)
{
if (pEvent == NULL) {
MA_ASSERT(MA_FALSE);
return MA_INVALID_ARGS;
}
#if defined(MA_POSIX)
return ma_event_init__posix(pEvent);
#elif defined(MA_WIN32)
return ma_event_init__win32(pEvent);
#endif
}
#if 0
static ma_result ma_event_alloc_and_init(ma_event** ppEvent, ma_allocation_callbacks* pAllocationCallbacks)
{
ma_result result;
ma_event* pEvent;
if (ppEvent == NULL) {
return MA_INVALID_ARGS;
}
*ppEvent = NULL;
pEvent = ma_malloc(sizeof(*pEvent), pAllocationCallbacks);
if (pEvent == NULL) {
return MA_OUT_OF_MEMORY;
}
result = ma_event_init(pEvent);
if (result != MA_SUCCESS) {
ma_free(pEvent, pAllocationCallbacks);
return result;
}
*ppEvent = pEvent;
return result;
}
#endif
MA_API void ma_event_uninit(ma_event* pEvent)
{
if (pEvent == NULL) {
return;
}
#if defined(MA_POSIX)
ma_event_uninit__posix(pEvent);
#elif defined(MA_WIN32)
ma_event_uninit__win32(pEvent);
#endif
}
#if 0
static void ma_event_uninit_and_free(ma_event* pEvent, ma_allocation_callbacks* pAllocationCallbacks)
{
if (pEvent == NULL) {
return;
}
ma_event_uninit(pEvent);
ma_free(pEvent, pAllocationCallbacks);
}
#endif
MA_API ma_result ma_event_wait(ma_event* pEvent)
{
if (pEvent == NULL) {
MA_ASSERT(MA_FALSE);
return MA_INVALID_ARGS;
}
#if defined(MA_POSIX)
return ma_event_wait__posix(pEvent);
#elif defined(MA_WIN32)
return ma_event_wait__win32(pEvent);
#endif
}
MA_API ma_result ma_event_signal(ma_event* pEvent)
{
if (pEvent == NULL) {
MA_ASSERT(MA_FALSE);
return MA_INVALID_ARGS;
}
#if defined(MA_POSIX)
return ma_event_signal__posix(pEvent);
#elif defined(MA_WIN32)
return ma_event_signal__win32(pEvent);
#endif
}
MA_API ma_result ma_semaphore_init(int initialValue, ma_semaphore* pSemaphore)
{
if (pSemaphore == NULL) {
MA_ASSERT(MA_FALSE);
return MA_INVALID_ARGS;
}
#if defined(MA_POSIX)
return ma_semaphore_init__posix(initialValue, pSemaphore);
#elif defined(MA_WIN32)
return ma_semaphore_init__win32(initialValue, pSemaphore);
#endif
}
MA_API void ma_semaphore_uninit(ma_semaphore* pSemaphore)
{
if (pSemaphore == NULL) {
MA_ASSERT(MA_FALSE);
return;
}
#if defined(MA_POSIX)
ma_semaphore_uninit__posix(pSemaphore);
#elif defined(MA_WIN32)
ma_semaphore_uninit__win32(pSemaphore);
#endif
}
MA_API ma_result ma_semaphore_wait(ma_semaphore* pSemaphore)
{
if (pSemaphore == NULL) {
MA_ASSERT(MA_FALSE);
return MA_INVALID_ARGS;
}
#if defined(MA_POSIX)
return ma_semaphore_wait__posix(pSemaphore);
#elif defined(MA_WIN32)
return ma_semaphore_wait__win32(pSemaphore);
#endif
}
MA_API ma_result ma_semaphore_release(ma_semaphore* pSemaphore)
{
if (pSemaphore == NULL) {
MA_ASSERT(MA_FALSE);
return MA_INVALID_ARGS;
}
#if defined(MA_POSIX)
return ma_semaphore_release__posix(pSemaphore);
#elif defined(MA_WIN32)
return ma_semaphore_release__win32(pSemaphore);
#endif
}
#else
#ifndef MA_NO_DEVICE_IO
#error "MA_NO_THREADING cannot be used without MA_NO_DEVICE_IO";
#endif
#endif
#define MA_FENCE_COUNTER_MAX 0x7FFFFFFF
MA_API ma_result ma_fence_init(ma_fence* pFence)
{
if (pFence == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pFence);
pFence->counter = 0;
#ifndef MA_NO_THREADING
{
ma_result result;
result = ma_event_init(&pFence->e);
if (result != MA_SUCCESS) {
return result;
}
}
#endif
return MA_SUCCESS;
}
MA_API void ma_fence_uninit(ma_fence* pFence)
{
if (pFence == NULL) {
return;
}
#ifndef MA_NO_THREADING
{
ma_event_uninit(&pFence->e);
}
#endif
MA_ZERO_OBJECT(pFence);
}
MA_API ma_result ma_fence_acquire(ma_fence* pFence)
{
if (pFence == NULL) {
return MA_INVALID_ARGS;
}
for (;;) {
ma_uint32 oldCounter = ma_atomic_load_32(&pFence->counter);
ma_uint32 newCounter = oldCounter + 1;
if (newCounter > MA_FENCE_COUNTER_MAX) {
MA_ASSERT(MA_FALSE);
return MA_OUT_OF_RANGE;
}
if (ma_atomic_compare_exchange_weak_32(&pFence->counter, &oldCounter, newCounter)) {
return MA_SUCCESS;
} else {
if (oldCounter == MA_FENCE_COUNTER_MAX) {
MA_ASSERT(MA_FALSE);
return MA_OUT_OF_RANGE;
}
}
}
}
MA_API ma_result ma_fence_release(ma_fence* pFence)
{
if (pFence == NULL) {
return MA_INVALID_ARGS;
}
for (;;) {
ma_uint32 oldCounter = ma_atomic_load_32(&pFence->counter);
ma_uint32 newCounter = oldCounter - 1;
if (oldCounter == 0) {
MA_ASSERT(MA_FALSE);
return MA_INVALID_OPERATION;
}
if (ma_atomic_compare_exchange_weak_32(&pFence->counter, &oldCounter, newCounter)) {
#ifndef MA_NO_THREADING
{
if (newCounter == 0) {
ma_event_signal(&pFence->e);
}
}
#endif
return MA_SUCCESS;
} else {
if (oldCounter == 0) {
MA_ASSERT(MA_FALSE);
return MA_INVALID_OPERATION;
}
}
}
}
MA_API ma_result ma_fence_wait(ma_fence* pFence)
{
if (pFence == NULL) {
return MA_INVALID_ARGS;
}
for (;;) {
ma_uint32 counter;
counter = ma_atomic_load_32(&pFence->counter);
if (counter == 0) {
return MA_SUCCESS;
}
#ifndef MA_NO_THREADING
{
ma_result result;
result = ma_event_wait(&pFence->e);
if (result != MA_SUCCESS) {
return result;
}
}
#endif
}
}
MA_API ma_result ma_async_notification_signal(ma_async_notification* pNotification)
{
ma_async_notification_callbacks* pNotificationCallbacks = (ma_async_notification_callbacks*)pNotification;
if (pNotification == NULL) {
return MA_INVALID_ARGS;
}
if (pNotificationCallbacks->onSignal == NULL) {
return MA_NOT_IMPLEMENTED;
}
pNotificationCallbacks->onSignal(pNotification);
return MA_INVALID_ARGS;
}
static void ma_async_notification_poll__on_signal(ma_async_notification* pNotification)
{
((ma_async_notification_poll*)pNotification)->signalled = MA_TRUE;
}
MA_API ma_result ma_async_notification_poll_init(ma_async_notification_poll* pNotificationPoll)
{
if (pNotificationPoll == NULL) {
return MA_INVALID_ARGS;
}
pNotificationPoll->cb.onSignal = ma_async_notification_poll__on_signal;
pNotificationPoll->signalled = MA_FALSE;
return MA_SUCCESS;
}
MA_API ma_bool32 ma_async_notification_poll_is_signalled(const ma_async_notification_poll* pNotificationPoll)
{
if (pNotificationPoll == NULL) {
return MA_FALSE;
}
return pNotificationPoll->signalled;
}
static void ma_async_notification_event__on_signal(ma_async_notification* pNotification)
{
ma_async_notification_event_signal((ma_async_notification_event*)pNotification);
}
MA_API ma_result ma_async_notification_event_init(ma_async_notification_event* pNotificationEvent)
{
if (pNotificationEvent == NULL) {
return MA_INVALID_ARGS;
}
pNotificationEvent->cb.onSignal = ma_async_notification_event__on_signal;
#ifndef MA_NO_THREADING
{
ma_result result;
result = ma_event_init(&pNotificationEvent->e);
if (result != MA_SUCCESS) {
return result;
}
return MA_SUCCESS;
}
#else
{
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API ma_result ma_async_notification_event_uninit(ma_async_notification_event* pNotificationEvent)
{
if (pNotificationEvent == NULL) {
return MA_INVALID_ARGS;
}
#ifndef MA_NO_THREADING
{
ma_event_uninit(&pNotificationEvent->e);
return MA_SUCCESS;
}
#else
{
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API ma_result ma_async_notification_event_wait(ma_async_notification_event* pNotificationEvent)
{
if (pNotificationEvent == NULL) {
return MA_INVALID_ARGS;
}
#ifndef MA_NO_THREADING
{
return ma_event_wait(&pNotificationEvent->e);
}
#else
{
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API ma_result ma_async_notification_event_signal(ma_async_notification_event* pNotificationEvent)
{
if (pNotificationEvent == NULL) {
return MA_INVALID_ARGS;
}
#ifndef MA_NO_THREADING
{
return ma_event_signal(&pNotificationEvent->e);
}
#else
{
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API ma_slot_allocator_config ma_slot_allocator_config_init(ma_uint32 capacity)
{
ma_slot_allocator_config config;
MA_ZERO_OBJECT(&config);
config.capacity = capacity;
return config;
}
static MA_INLINE ma_uint32 ma_slot_allocator_calculate_group_capacity(ma_uint32 slotCapacity)
{
ma_uint32 cap = slotCapacity / 32;
if ((slotCapacity % 32) != 0) {
cap += 1;
}
return cap;
}
static MA_INLINE ma_uint32 ma_slot_allocator_group_capacity(const ma_slot_allocator* pAllocator)
{
return ma_slot_allocator_calculate_group_capacity(pAllocator->capacity);
}
typedef struct
{
size_t sizeInBytes;
size_t groupsOffset;
size_t slotsOffset;
} ma_slot_allocator_heap_layout;
static ma_result ma_slot_allocator_get_heap_layout(const ma_slot_allocator_config* pConfig, ma_slot_allocator_heap_layout* pHeapLayout)
{
MA_ASSERT(pHeapLayout != NULL);
MA_ZERO_OBJECT(pHeapLayout);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->capacity == 0) {
return MA_INVALID_ARGS;
}
pHeapLayout->sizeInBytes = 0;
pHeapLayout->groupsOffset = pHeapLayout->sizeInBytes;
pHeapLayout->sizeInBytes += ma_align_64(ma_slot_allocator_calculate_group_capacity(pConfig->capacity) * sizeof(ma_slot_allocator_group));
pHeapLayout->slotsOffset = pHeapLayout->sizeInBytes;
pHeapLayout->sizeInBytes += ma_align_64(pConfig->capacity * sizeof(ma_uint32));
return MA_SUCCESS;
}
MA_API ma_result ma_slot_allocator_get_heap_size(const ma_slot_allocator_config* pConfig, size_t* pHeapSizeInBytes)
{
ma_result result;
ma_slot_allocator_heap_layout layout;
if (pHeapSizeInBytes == NULL) {
return MA_INVALID_ARGS;
}
*pHeapSizeInBytes = 0;
result = ma_slot_allocator_get_heap_layout(pConfig, &layout);
if (result != MA_SUCCESS) {
return result;
}
*pHeapSizeInBytes = layout.sizeInBytes;
return result;
}
MA_API ma_result ma_slot_allocator_init_preallocated(const ma_slot_allocator_config* pConfig, void* pHeap, ma_slot_allocator* pAllocator)
{
ma_result result;
ma_slot_allocator_heap_layout heapLayout;
if (pAllocator == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pAllocator);
if (pHeap == NULL) {
return MA_INVALID_ARGS;
}
result = ma_slot_allocator_get_heap_layout(pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return result;
}
pAllocator->_pHeap = pHeap;
MA_ZERO_MEMORY(pHeap, heapLayout.sizeInBytes);
pAllocator->pGroups = (ma_slot_allocator_group*)ma_offset_ptr(pHeap, heapLayout.groupsOffset);
pAllocator->pSlots = (ma_uint32*)ma_offset_ptr(pHeap, heapLayout.slotsOffset);
pAllocator->capacity = pConfig->capacity;
return MA_SUCCESS;
}
MA_API ma_result ma_slot_allocator_init(const ma_slot_allocator_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_slot_allocator* pAllocator)
{
ma_result result;
size_t heapSizeInBytes;
void* pHeap;
result = ma_slot_allocator_get_heap_size(pConfig, &heapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
if (heapSizeInBytes > 0) {
pHeap = ma_malloc(heapSizeInBytes, pAllocationCallbacks);
if (pHeap == NULL) {
return MA_OUT_OF_MEMORY;
}
} else {
pHeap = NULL;
}
result = ma_slot_allocator_init_preallocated(pConfig, pHeap, pAllocator);
if (result != MA_SUCCESS) {
ma_free(pHeap, pAllocationCallbacks);
return result;
}
pAllocator->_ownsHeap = MA_TRUE;
return MA_SUCCESS;
}
MA_API void ma_slot_allocator_uninit(ma_slot_allocator* pAllocator, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pAllocator == NULL) {
return;
}
if (pAllocator->_ownsHeap) {
ma_free(pAllocator->_pHeap, pAllocationCallbacks);
}
}
MA_API ma_result ma_slot_allocator_alloc(ma_slot_allocator* pAllocator, ma_uint64* pSlot)
{
ma_uint32 iAttempt;
const ma_uint32 maxAttempts = 2;
if (pAllocator == NULL || pSlot == NULL) {
return MA_INVALID_ARGS;
}
for (iAttempt = 0; iAttempt < maxAttempts; iAttempt += 1) {
ma_uint32 iGroup;
for (iGroup = 0; iGroup < ma_slot_allocator_group_capacity(pAllocator); iGroup += 1) {
for (;;) {
ma_uint32 oldBitfield;
ma_uint32 newBitfield;
ma_uint32 bitOffset;
oldBitfield = ma_atomic_load_32(&pAllocator->pGroups[iGroup].bitfield);
if (oldBitfield == 0xFFFFFFFF) {
break;
}
bitOffset = ma_ffs_32(~oldBitfield);
MA_ASSERT(bitOffset < 32);
newBitfield = oldBitfield | (1 << bitOffset);
if (ma_atomic_compare_and_swap_32(&pAllocator->pGroups[iGroup].bitfield, oldBitfield, newBitfield) == oldBitfield) {
ma_uint32 slotIndex;
ma_atomic_fetch_add_32(&pAllocator->count, 1);
slotIndex = (iGroup << 5) + bitOffset;
if (slotIndex >= pAllocator->capacity) {
return MA_OUT_OF_MEMORY;
}
pAllocator->pSlots[slotIndex] += 1;
*pSlot = (((ma_uint64)pAllocator->pSlots[slotIndex] << 32) | slotIndex);
return MA_SUCCESS;
}
}
}
if (pAllocator->count < pAllocator->capacity) {
ma_yield();
} else {
return MA_OUT_OF_MEMORY;
}
}
return MA_OUT_OF_MEMORY;
}
MA_API ma_result ma_slot_allocator_free(ma_slot_allocator* pAllocator, ma_uint64 slot)
{
ma_uint32 iGroup;
ma_uint32 iBit;
if (pAllocator == NULL) {
return MA_INVALID_ARGS;
}
iGroup = (ma_uint32)((slot & 0xFFFFFFFF) >> 5);
iBit = (ma_uint32)((slot & 0xFFFFFFFF) & 31);
if (iGroup >= ma_slot_allocator_group_capacity(pAllocator)) {
return MA_INVALID_ARGS;
}
MA_ASSERT(iBit < 32);
while (ma_atomic_load_32(&pAllocator->count) > 0) {
ma_uint32 oldBitfield;
ma_uint32 newBitfield;
oldBitfield = ma_atomic_load_32(&pAllocator->pGroups[iGroup].bitfield);
newBitfield = oldBitfield & ~(1 << iBit);
#if defined(MA_DEBUG_OUTPUT)
{
if ((oldBitfield & (1 << iBit)) == 0) {
MA_ASSERT(MA_FALSE);
}
}
#endif
if (ma_atomic_compare_and_swap_32(&pAllocator->pGroups[iGroup].bitfield, oldBitfield, newBitfield) == oldBitfield) {
ma_atomic_fetch_sub_32(&pAllocator->count, 1);
return MA_SUCCESS;
}
}
return MA_INVALID_OPERATION;
}
#define MA_JOB_ID_NONE ~((ma_uint64)0)
#define MA_JOB_SLOT_NONE (ma_uint16)(~0)
static MA_INLINE ma_uint32 ma_job_extract_refcount(ma_uint64 toc)
{
return (ma_uint32)(toc >> 32);
}
static MA_INLINE ma_uint16 ma_job_extract_slot(ma_uint64 toc)
{
return (ma_uint16)(toc & 0x0000FFFF);
}
#if 0
static MA_INLINE ma_uint16 ma_job_extract_code(ma_uint64 toc)
{
return (ma_uint16)((toc & 0xFFFF0000) >> 16);
}
#endif
static MA_INLINE ma_uint64 ma_job_toc_to_allocation(ma_uint64 toc)
{
return ((ma_uint64)ma_job_extract_refcount(toc) << 32) | (ma_uint64)ma_job_extract_slot(toc);
}
static MA_INLINE ma_uint64 ma_job_set_refcount(ma_uint64 toc, ma_uint32 refcount)
{
toc = toc & ~((ma_uint64)0xFFFFFFFF << 32);
toc = toc | ((ma_uint64)refcount << 32);
return toc;
}
MA_API ma_job ma_job_init(ma_uint16 code)
{
ma_job job;
MA_ZERO_OBJECT(&job);
job.toc.breakup.code = code;
job.toc.breakup.slot = MA_JOB_SLOT_NONE;
job.next = MA_JOB_ID_NONE;
return job;
}
static ma_result ma_job_process__noop(ma_job* pJob);
static ma_result ma_job_process__quit(ma_job* pJob);
static ma_result ma_job_process__custom(ma_job* pJob);
static ma_result ma_job_process__resource_manager__load_data_buffer_node(ma_job* pJob);
static ma_result ma_job_process__resource_manager__free_data_buffer_node(ma_job* pJob);
static ma_result ma_job_process__resource_manager__page_data_buffer_node(ma_job* pJob);
static ma_result ma_job_process__resource_manager__load_data_buffer(ma_job* pJob);
static ma_result ma_job_process__resource_manager__free_data_buffer(ma_job* pJob);
static ma_result ma_job_process__resource_manager__load_data_stream(ma_job* pJob);
static ma_result ma_job_process__resource_manager__free_data_stream(ma_job* pJob);
static ma_result ma_job_process__resource_manager__page_data_stream(ma_job* pJob);
static ma_result ma_job_process__resource_manager__seek_data_stream(ma_job* pJob);
#if !defined(MA_NO_DEVICE_IO)
static ma_result ma_job_process__device__aaudio_reroute(ma_job* pJob);
#endif
static ma_job_proc g_jobVTable[MA_JOB_TYPE_COUNT] =
{
ma_job_process__quit,
ma_job_process__custom,
ma_job_process__resource_manager__load_data_buffer_node,
ma_job_process__resource_manager__free_data_buffer_node,
ma_job_process__resource_manager__page_data_buffer_node,
ma_job_process__resource_manager__load_data_buffer,
ma_job_process__resource_manager__free_data_buffer,
ma_job_process__resource_manager__load_data_stream,
ma_job_process__resource_manager__free_data_stream,
ma_job_process__resource_manager__page_data_stream,
ma_job_process__resource_manager__seek_data_stream,
#if !defined(MA_NO_DEVICE_IO)
ma_job_process__device__aaudio_reroute
#endif
};
MA_API ma_result ma_job_process(ma_job* pJob)
{
if (pJob == NULL) {
return MA_INVALID_ARGS;
}
if (pJob->toc.breakup.code >= MA_JOB_TYPE_COUNT) {
return MA_INVALID_OPERATION;
}
return g_jobVTable[pJob->toc.breakup.code](pJob);
}
static ma_result ma_job_process__noop(ma_job* pJob)
{
MA_ASSERT(pJob != NULL);
(void)pJob;
return MA_SUCCESS;
}
static ma_result ma_job_process__quit(ma_job* pJob)
{
return ma_job_process__noop(pJob);
}
static ma_result ma_job_process__custom(ma_job* pJob)
{
MA_ASSERT(pJob != NULL);
if (pJob->data.custom.proc == NULL) {
return MA_SUCCESS;
}
return pJob->data.custom.proc(pJob);
}
MA_API ma_job_queue_config ma_job_queue_config_init(ma_uint32 flags, ma_uint32 capacity)
{
ma_job_queue_config config;
config.flags = flags;
config.capacity = capacity;
return config;
}
typedef struct
{
size_t sizeInBytes;
size_t allocatorOffset;
size_t jobsOffset;
} ma_job_queue_heap_layout;
static ma_result ma_job_queue_get_heap_layout(const ma_job_queue_config* pConfig, ma_job_queue_heap_layout* pHeapLayout)
{
ma_result result;
MA_ASSERT(pHeapLayout != NULL);
MA_ZERO_OBJECT(pHeapLayout);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->capacity == 0) {
return MA_INVALID_ARGS;
}
pHeapLayout->sizeInBytes = 0;
{
ma_slot_allocator_config allocatorConfig;
size_t allocatorHeapSizeInBytes;
allocatorConfig = ma_slot_allocator_config_init(pConfig->capacity);
result = ma_slot_allocator_get_heap_size(&allocatorConfig, &allocatorHeapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
pHeapLayout->allocatorOffset = pHeapLayout->sizeInBytes;
pHeapLayout->sizeInBytes += allocatorHeapSizeInBytes;
}
pHeapLayout->jobsOffset = pHeapLayout->sizeInBytes;
pHeapLayout->sizeInBytes += ma_align_64(pConfig->capacity * sizeof(ma_job));
return MA_SUCCESS;
}
MA_API ma_result ma_job_queue_get_heap_size(const ma_job_queue_config* pConfig, size_t* pHeapSizeInBytes)
{
ma_result result;
ma_job_queue_heap_layout layout;
if (pHeapSizeInBytes == NULL) {
return MA_INVALID_ARGS;
}
*pHeapSizeInBytes = 0;
result = ma_job_queue_get_heap_layout(pConfig, &layout);
if (result != MA_SUCCESS) {
return result;
}
*pHeapSizeInBytes = layout.sizeInBytes;
return MA_SUCCESS;
}
MA_API ma_result ma_job_queue_init_preallocated(const ma_job_queue_config* pConfig, void* pHeap, ma_job_queue* pQueue)
{
ma_result result;
ma_job_queue_heap_layout heapLayout;
ma_slot_allocator_config allocatorConfig;
if (pQueue == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pQueue);
result = ma_job_queue_get_heap_layout(pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return result;
}
pQueue->_pHeap = pHeap;
MA_ZERO_MEMORY(pHeap, heapLayout.sizeInBytes);
pQueue->flags = pConfig->flags;
pQueue->capacity = pConfig->capacity;
pQueue->pJobs = (ma_job*)ma_offset_ptr(pHeap, heapLayout.jobsOffset);
allocatorConfig = ma_slot_allocator_config_init(pConfig->capacity);
result = ma_slot_allocator_init_preallocated(&allocatorConfig, ma_offset_ptr(pHeap, heapLayout.allocatorOffset), &pQueue->allocator);
if (result != MA_SUCCESS) {
return result;
}
if ((pQueue->flags & MA_JOB_QUEUE_FLAG_NON_BLOCKING) == 0) {
#ifndef MA_NO_THREADING
{
ma_semaphore_init(0, &pQueue->sem);
}
#else
{
return MA_INVALID_OPERATION;
}
#endif
}
ma_slot_allocator_alloc(&pQueue->allocator, &pQueue->head);
pQueue->pJobs[ma_job_extract_slot(pQueue->head)].next = MA_JOB_ID_NONE;
pQueue->tail = pQueue->head;
return MA_SUCCESS;
}
MA_API ma_result ma_job_queue_init(const ma_job_queue_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_job_queue* pQueue)
{
ma_result result;
size_t heapSizeInBytes;
void* pHeap;
result = ma_job_queue_get_heap_size(pConfig, &heapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
if (heapSizeInBytes > 0) {
pHeap = ma_malloc(heapSizeInBytes, pAllocationCallbacks);
if (pHeap == NULL) {
return MA_OUT_OF_MEMORY;
}
} else {
pHeap = NULL;
}
result = ma_job_queue_init_preallocated(pConfig, pHeap, pQueue);
if (result != MA_SUCCESS) {
ma_free(pHeap, pAllocationCallbacks);
return result;
}
pQueue->_ownsHeap = MA_TRUE;
return MA_SUCCESS;
}
MA_API void ma_job_queue_uninit(ma_job_queue* pQueue, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pQueue == NULL) {
return;
}
if ((pQueue->flags & MA_JOB_QUEUE_FLAG_NON_BLOCKING) == 0) {
#ifndef MA_NO_THREADING
{
ma_semaphore_uninit(&pQueue->sem);
}
#else
{
MA_ASSERT(MA_FALSE);
}
#endif
}
ma_slot_allocator_uninit(&pQueue->allocator, pAllocationCallbacks);
if (pQueue->_ownsHeap) {
ma_free(pQueue->_pHeap, pAllocationCallbacks);
}
}
static ma_bool32 ma_job_queue_cas(volatile ma_uint64* dst, ma_uint64 expected, ma_uint64 desired)
{
return ma_atomic_compare_and_swap_64(dst, expected, ma_job_set_refcount(desired, ma_job_extract_refcount(expected) + 1)) == expected;
}
MA_API ma_result ma_job_queue_post(ma_job_queue* pQueue, const ma_job* pJob)
{
ma_result result;
ma_uint64 slot;
ma_uint64 tail;
ma_uint64 next;
if (pQueue == NULL || pJob == NULL) {
return MA_INVALID_ARGS;
}
result = ma_slot_allocator_alloc(&pQueue->allocator, &slot);
if (result != MA_SUCCESS) {
return result;
}
MA_ASSERT(ma_job_extract_slot(slot) < pQueue->capacity);
pQueue->pJobs[ma_job_extract_slot(slot)] = *pJob;
pQueue->pJobs[ma_job_extract_slot(slot)].toc.allocation = slot;
pQueue->pJobs[ma_job_extract_slot(slot)].toc.breakup.code = pJob->toc.breakup.code;
pQueue->pJobs[ma_job_extract_slot(slot)].next = MA_JOB_ID_NONE;
#ifndef MA_USE_EXPERIMENTAL_LOCK_FREE_JOB_QUEUE
ma_spinlock_lock(&pQueue->lock);
#endif
{
for (;;) {
tail = ma_atomic_load_64(&pQueue->tail);
next = ma_atomic_load_64(&pQueue->pJobs[ma_job_extract_slot(tail)].next);
if (ma_job_toc_to_allocation(tail) == ma_job_toc_to_allocation(ma_atomic_load_64(&pQueue->tail))) {
if (ma_job_extract_slot(next) == 0xFFFF) {
if (ma_job_queue_cas(&pQueue->pJobs[ma_job_extract_slot(tail)].next, next, slot)) {
break;
}
} else {
ma_job_queue_cas(&pQueue->tail, tail, ma_job_extract_slot(next));
}
}
}
ma_job_queue_cas(&pQueue->tail, tail, slot);
}
#ifndef MA_USE_EXPERIMENTAL_LOCK_FREE_JOB_QUEUE
ma_spinlock_unlock(&pQueue->lock);
#endif
if ((pQueue->flags & MA_JOB_QUEUE_FLAG_NON_BLOCKING) == 0) {
#ifndef MA_NO_THREADING
{
ma_semaphore_release(&pQueue->sem);
}
#else
{
MA_ASSERT(MA_FALSE);
}
#endif
}
return MA_SUCCESS;
}
MA_API ma_result ma_job_queue_next(ma_job_queue* pQueue, ma_job* pJob)
{
ma_uint64 head;
ma_uint64 tail;
ma_uint64 next;
if (pQueue == NULL || pJob == NULL) {
return MA_INVALID_ARGS;
}
if ((pQueue->flags & MA_JOB_QUEUE_FLAG_NON_BLOCKING) == 0) {
#ifndef MA_NO_THREADING
{
ma_semaphore_wait(&pQueue->sem);
}
#else
{
MA_ASSERT(MA_FALSE);
}
#endif
}
#ifndef MA_USE_EXPERIMENTAL_LOCK_FREE_JOB_QUEUE
ma_spinlock_lock(&pQueue->lock);
#endif
{
for (;;) {
head = ma_atomic_load_64(&pQueue->head);
tail = ma_atomic_load_64(&pQueue->tail);
next = ma_atomic_load_64(&pQueue->pJobs[ma_job_extract_slot(head)].next);
if (ma_job_toc_to_allocation(head) == ma_job_toc_to_allocation(ma_atomic_load_64(&pQueue->head))) {
if (ma_job_extract_slot(head) == ma_job_extract_slot(tail)) {
if (ma_job_extract_slot(next) == 0xFFFF) {
#ifndef MA_USE_EXPERIMENTAL_LOCK_FREE_JOB_QUEUE
ma_spinlock_unlock(&pQueue->lock);
#endif
return MA_NO_DATA_AVAILABLE;
}
ma_job_queue_cas(&pQueue->tail, tail, ma_job_extract_slot(next));
} else {
*pJob = pQueue->pJobs[ma_job_extract_slot(next)];
if (ma_job_queue_cas(&pQueue->head, head, ma_job_extract_slot(next))) {
break;
}
}
}
}
}
#ifndef MA_USE_EXPERIMENTAL_LOCK_FREE_JOB_QUEUE
ma_spinlock_unlock(&pQueue->lock);
#endif
ma_slot_allocator_free(&pQueue->allocator, head);
if (pJob->toc.breakup.code == MA_JOB_TYPE_QUIT) {
ma_job_queue_post(pQueue, pJob);
return MA_CANCELLED;
}
return MA_SUCCESS;
}
#ifndef MA_NO_RUNTIME_LINKING
#if defined(MA_EMSCRIPTEN) || defined(MA_ORBIS) || defined(MA_PROSPERO) || defined(MA_SWITCH) || defined(MA_DOS)
#define MA_NO_RUNTIME_LINKING
#endif
#endif
#ifdef MA_POSIX
#ifndef MA_NO_RUNTIME_LINKING
#include <dlfcn.h>
#endif
#endif
MA_API ma_handle ma_dlopen(ma_log* pLog, const char* filename)
{
#ifndef MA_NO_RUNTIME_LINKING
{
ma_handle handle;
ma_log_postf(pLog, MA_LOG_LEVEL_DEBUG, "Loading library: %s\n", filename);
#ifdef MA_WIN32
#if !defined(MA_WIN32_UWP) || !(defined(WINAPI_FAMILY) && ((defined(WINAPI_FAMILY_PHONE_APP) && WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP)))
handle = (ma_handle)LoadLibraryA(filename);
#else
WCHAR filenameW[4096];
if (MultiByteToWideChar(CP_UTF8, 0, filename, -1, filenameW, sizeof(filenameW)) == 0) {
handle = NULL;
} else {
handle = (ma_handle)LoadPackagedLibrary(filenameW, 0);
}
#endif
#else
handle = (ma_handle)dlopen(filename, RTLD_NOW);
#endif
if (handle == NULL) {
ma_log_postf(pLog, MA_LOG_LEVEL_INFO, "Failed to load library: %s\n", filename);
}
return handle;
}
#else
{
(void)pLog;
(void)filename;
return NULL;
}
#endif
}
MA_API void ma_dlclose(ma_log* pLog, ma_handle handle)
{
#ifndef MA_NO_RUNTIME_LINKING
{
#ifdef MA_WIN32
{
FreeLibrary((HMODULE)handle);
}
#else
{
#if !defined(MA_ANDROID) || (defined(__ANDROID_API__) && __ANDROID_API__ >= 28)
{
dlclose((void*)handle);
}
#else
{
(void)handle;
}
#endif
}
#endif
(void)pLog;
}
#else
{
(void)pLog;
(void)handle;
}
#endif
}
MA_API ma_proc ma_dlsym(ma_log* pLog, ma_handle handle, const char* symbol)
{
#ifndef MA_NO_RUNTIME_LINKING
{
ma_proc proc;
ma_log_postf(pLog, MA_LOG_LEVEL_DEBUG, "Loading symbol: %s\n", symbol);
#ifdef _WIN32
{
proc = (ma_proc)GetProcAddress((HMODULE)handle, symbol);
}
#else
{
#if (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8))) || defined(__clang__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wpedantic"
#endif
proc = (ma_proc)dlsym((void*)handle, symbol);
#if (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8))) || defined(__clang__)
#pragma GCC diagnostic pop
#endif
}
#endif
if (proc == NULL) {
ma_log_postf(pLog, MA_LOG_LEVEL_WARNING, "Failed to load symbol: %s\n", symbol);
}
(void)pLog;
return proc;
}
#else
{
(void)pLog;
(void)handle;
(void)symbol;
return NULL;
}
#endif
}
#ifdef MA_APPLE
#include <AvailabilityMacros.h>
#endif
#ifndef MA_NO_DEVICE_IO
#if defined(MA_APPLE) && (MAC_OS_X_VERSION_MIN_REQUIRED < 101200)
#include <mach/mach_time.h>
#endif
#ifdef MA_POSIX
#include <sys/types.h>
#endif
#ifndef MA_AAUDIO_MIN_ANDROID_SDK_VERSION
#define MA_AAUDIO_MIN_ANDROID_SDK_VERSION 27
#endif
MA_API void ma_device_info_add_native_data_format(ma_device_info* pDeviceInfo, ma_format format, ma_uint32 channels, ma_uint32 sampleRate, ma_uint32 flags)
{
if (pDeviceInfo == NULL) {
return;
}
if (pDeviceInfo->nativeDataFormatCount < ma_countof(pDeviceInfo->nativeDataFormats)) {
pDeviceInfo->nativeDataFormats[pDeviceInfo->nativeDataFormatCount].format = format;
pDeviceInfo->nativeDataFormats[pDeviceInfo->nativeDataFormatCount].channels = channels;
pDeviceInfo->nativeDataFormats[pDeviceInfo->nativeDataFormatCount].sampleRate = sampleRate;
pDeviceInfo->nativeDataFormats[pDeviceInfo->nativeDataFormatCount].flags = flags;
pDeviceInfo->nativeDataFormatCount += 1;
}
}
typedef struct
{
ma_backend backend;
const char* pName;
} ma_backend_info;
static ma_backend_info gBackendInfo[] =
{
{ma_backend_wasapi, "WASAPI"},
{ma_backend_dsound, "DirectSound"},
{ma_backend_winmm, "WinMM"},
{ma_backend_coreaudio, "Core Audio"},
{ma_backend_sndio, "sndio"},
{ma_backend_audio4, "audio(4)"},
{ma_backend_oss, "OSS"},
{ma_backend_pulseaudio, "PulseAudio"},
{ma_backend_alsa, "ALSA"},
{ma_backend_jack, "JACK"},
{ma_backend_aaudio, "AAudio"},
{ma_backend_opensl, "OpenSL|ES"},
{ma_backend_webaudio, "Web Audio"},
{ma_backend_custom, "Custom"},
{ma_backend_null, "Null"}
};
MA_API const char* ma_get_backend_name(ma_backend backend)
{
if (backend < 0 || backend >= (int)ma_countof(gBackendInfo)) {
return "Unknown";
}
return gBackendInfo[backend].pName;
}
MA_API ma_result ma_get_backend_from_name(const char* pBackendName, ma_backend* pBackend)
{
size_t iBackend;
if (pBackendName == NULL) {
return MA_INVALID_ARGS;
}
for (iBackend = 0; iBackend < ma_countof(gBackendInfo); iBackend += 1) {
if (ma_strcmp(pBackendName, gBackendInfo[iBackend].pName) == 0) {
if (pBackend != NULL) {
*pBackend = gBackendInfo[iBackend].backend;
}
return MA_SUCCESS;
}
}
return MA_INVALID_ARGS;
}
MA_API ma_bool32 ma_is_backend_enabled(ma_backend backend)
{
switch (backend)
{
case ma_backend_wasapi:
#if defined(MA_HAS_WASAPI)
return MA_TRUE;
#else
return MA_FALSE;
#endif
case ma_backend_dsound:
#if defined(MA_HAS_DSOUND)
return MA_TRUE;
#else
return MA_FALSE;
#endif
case ma_backend_winmm:
#if defined(MA_HAS_WINMM)
return MA_TRUE;
#else
return MA_FALSE;
#endif
case ma_backend_coreaudio:
#if defined(MA_HAS_COREAUDIO)
return MA_TRUE;
#else
return MA_FALSE;
#endif
case ma_backend_sndio:
#if defined(MA_HAS_SNDIO)
return MA_TRUE;
#else
return MA_FALSE;
#endif
case ma_backend_audio4:
#if defined(MA_HAS_AUDIO4)
return MA_TRUE;
#else
return MA_FALSE;
#endif
case ma_backend_oss:
#if defined(MA_HAS_OSS)
return MA_TRUE;
#else
return MA_FALSE;
#endif
case ma_backend_pulseaudio:
#if defined(MA_HAS_PULSEAUDIO)
return MA_TRUE;
#else
return MA_FALSE;
#endif
case ma_backend_alsa:
#if defined(MA_HAS_ALSA)
return MA_TRUE;
#else
return MA_FALSE;
#endif
case ma_backend_jack:
#if defined(MA_HAS_JACK)
return MA_TRUE;
#else
return MA_FALSE;
#endif
case ma_backend_aaudio:
#if defined(MA_HAS_AAUDIO)
#if defined(MA_ANDROID)
{
return ma_android_sdk_version() >= MA_AAUDIO_MIN_ANDROID_SDK_VERSION;
}
#else
return MA_FALSE;
#endif
#else
return MA_FALSE;
#endif
case ma_backend_opensl:
#if defined(MA_HAS_OPENSL)
#if defined(MA_ANDROID)
{
return ma_android_sdk_version() >= 9;
}
#else
return MA_TRUE;
#endif
#else
return MA_FALSE;
#endif
case ma_backend_webaudio:
#if defined(MA_HAS_WEBAUDIO)
return MA_TRUE;
#else
return MA_FALSE;
#endif
case ma_backend_custom:
#if defined(MA_HAS_CUSTOM)
return MA_TRUE;
#else
return MA_FALSE;
#endif
case ma_backend_null:
#if defined(MA_HAS_NULL)
return MA_TRUE;
#else
return MA_FALSE;
#endif
default: return MA_FALSE;
}
}
MA_API ma_result ma_get_enabled_backends(ma_backend* pBackends, size_t backendCap, size_t* pBackendCount)
{
size_t backendCount;
size_t iBackend;
ma_result result = MA_SUCCESS;
if (pBackendCount == NULL) {
return MA_INVALID_ARGS;
}
backendCount = 0;
for (iBackend = 0; iBackend <= ma_backend_null; iBackend += 1) {
ma_backend backend = (ma_backend)iBackend;
if (ma_is_backend_enabled(backend)) {
if (backendCount == backendCap) {
result = MA_NO_SPACE;
break;
} else {
pBackends[backendCount] = backend;
backendCount += 1;
}
}
}
if (pBackendCount != NULL) {
*pBackendCount = backendCount;
}
return result;
}
MA_API ma_bool32 ma_is_loopback_supported(ma_backend backend)
{
switch (backend)
{
case ma_backend_wasapi: return MA_TRUE;
case ma_backend_dsound: return MA_FALSE;
case ma_backend_winmm: return MA_FALSE;
case ma_backend_coreaudio: return MA_FALSE;
case ma_backend_sndio: return MA_FALSE;
case ma_backend_audio4: return MA_FALSE;
case ma_backend_oss: return MA_FALSE;
case ma_backend_pulseaudio: return MA_FALSE;
case ma_backend_alsa: return MA_FALSE;
case ma_backend_jack: return MA_FALSE;
case ma_backend_aaudio: return MA_FALSE;
case ma_backend_opensl: return MA_FALSE;
case ma_backend_webaudio: return MA_FALSE;
case ma_backend_custom: return MA_FALSE;
case ma_backend_null: return MA_FALSE;
default: return MA_FALSE;
}
}
#if defined(MA_WIN32) && !defined(MA_XBOX)
#define MA_AUDCLNT_E_NOT_INITIALIZED ((HRESULT)0x88890001)
#define MA_AUDCLNT_E_ALREADY_INITIALIZED ((HRESULT)0x88890002)
#define MA_AUDCLNT_E_WRONG_ENDPOINT_TYPE ((HRESULT)0x88890003)
#define MA_AUDCLNT_E_DEVICE_INVALIDATED ((HRESULT)0x88890004)
#define MA_AUDCLNT_E_NOT_STOPPED ((HRESULT)0x88890005)
#define MA_AUDCLNT_E_BUFFER_TOO_LARGE ((HRESULT)0x88890006)
#define MA_AUDCLNT_E_OUT_OF_ORDER ((HRESULT)0x88890007)
#define MA_AUDCLNT_E_UNSUPPORTED_FORMAT ((HRESULT)0x88890008)
#define MA_AUDCLNT_E_INVALID_SIZE ((HRESULT)0x88890009)
#define MA_AUDCLNT_E_DEVICE_IN_USE ((HRESULT)0x8889000A)
#define MA_AUDCLNT_E_BUFFER_OPERATION_PENDING ((HRESULT)0x8889000B)
#define MA_AUDCLNT_E_THREAD_NOT_REGISTERED ((HRESULT)0x8889000C)
#define MA_AUDCLNT_E_NO_SINGLE_PROCESS ((HRESULT)0x8889000D)
#define MA_AUDCLNT_E_EXCLUSIVE_MODE_NOT_ALLOWED ((HRESULT)0x8889000E)
#define MA_AUDCLNT_E_ENDPOINT_CREATE_FAILED ((HRESULT)0x8889000F)
#define MA_AUDCLNT_E_SERVICE_NOT_RUNNING ((HRESULT)0x88890010)
#define MA_AUDCLNT_E_EVENTHANDLE_NOT_EXPECTED ((HRESULT)0x88890011)
#define MA_AUDCLNT_E_EXCLUSIVE_MODE_ONLY ((HRESULT)0x88890012)
#define MA_AUDCLNT_E_BUFDURATION_PERIOD_NOT_EQUAL ((HRESULT)0x88890013)
#define MA_AUDCLNT_E_EVENTHANDLE_NOT_SET ((HRESULT)0x88890014)
#define MA_AUDCLNT_E_INCORRECT_BUFFER_SIZE ((HRESULT)0x88890015)
#define MA_AUDCLNT_E_BUFFER_SIZE_ERROR ((HRESULT)0x88890016)
#define MA_AUDCLNT_E_CPUUSAGE_EXCEEDED ((HRESULT)0x88890017)
#define MA_AUDCLNT_E_BUFFER_ERROR ((HRESULT)0x88890018)
#define MA_AUDCLNT_E_BUFFER_SIZE_NOT_ALIGNED ((HRESULT)0x88890019)
#define MA_AUDCLNT_E_INVALID_DEVICE_PERIOD ((HRESULT)0x88890020)
#define MA_AUDCLNT_E_INVALID_STREAM_FLAG ((HRESULT)0x88890021)
#define MA_AUDCLNT_E_ENDPOINT_OFFLOAD_NOT_CAPABLE ((HRESULT)0x88890022)
#define MA_AUDCLNT_E_OUT_OF_OFFLOAD_RESOURCES ((HRESULT)0x88890023)
#define MA_AUDCLNT_E_OFFLOAD_MODE_ONLY ((HRESULT)0x88890024)
#define MA_AUDCLNT_E_NONOFFLOAD_MODE_ONLY ((HRESULT)0x88890025)
#define MA_AUDCLNT_E_RESOURCES_INVALIDATED ((HRESULT)0x88890026)
#define MA_AUDCLNT_E_RAW_MODE_UNSUPPORTED ((HRESULT)0x88890027)
#define MA_AUDCLNT_E_ENGINE_PERIODICITY_LOCKED ((HRESULT)0x88890028)
#define MA_AUDCLNT_E_ENGINE_FORMAT_LOCKED ((HRESULT)0x88890029)
#define MA_AUDCLNT_E_HEADTRACKING_ENABLED ((HRESULT)0x88890030)
#define MA_AUDCLNT_E_HEADTRACKING_UNSUPPORTED ((HRESULT)0x88890040)
#define MA_AUDCLNT_S_BUFFER_EMPTY ((HRESULT)0x08890001)
#define MA_AUDCLNT_S_THREAD_ALREADY_REGISTERED ((HRESULT)0x08890002)
#define MA_AUDCLNT_S_POSITION_STALLED ((HRESULT)0x08890003)
#define MA_DS_OK ((HRESULT)0)
#define MA_DS_NO_VIRTUALIZATION ((HRESULT)0x0878000A)
#define MA_DSERR_ALLOCATED ((HRESULT)0x8878000A)
#define MA_DSERR_CONTROLUNAVAIL ((HRESULT)0x8878001E)
#define MA_DSERR_INVALIDPARAM ((HRESULT)0x80070057)
#define MA_DSERR_INVALIDCALL ((HRESULT)0x88780032)
#define MA_DSERR_GENERIC ((HRESULT)0x80004005)
#define MA_DSERR_PRIOLEVELNEEDED ((HRESULT)0x88780046)
#define MA_DSERR_OUTOFMEMORY ((HRESULT)0x8007000E)
#define MA_DSERR_BADFORMAT ((HRESULT)0x88780064)
#define MA_DSERR_UNSUPPORTED ((HRESULT)0x80004001)
#define MA_DSERR_NODRIVER ((HRESULT)0x88780078)
#define MA_DSERR_ALREADYINITIALIZED ((HRESULT)0x88780082)
#define MA_DSERR_NOAGGREGATION ((HRESULT)0x80040110)
#define MA_DSERR_BUFFERLOST ((HRESULT)0x88780096)
#define MA_DSERR_OTHERAPPHASPRIO ((HRESULT)0x887800A0)
#define MA_DSERR_UNINITIALIZED ((HRESULT)0x887800AA)
#define MA_DSERR_NOINTERFACE ((HRESULT)0x80004002)
#define MA_DSERR_ACCESSDENIED ((HRESULT)0x80070005)
#define MA_DSERR_BUFFERTOOSMALL ((HRESULT)0x887800B4)
#define MA_DSERR_DS8_REQUIRED ((HRESULT)0x887800BE)
#define MA_DSERR_SENDLOOP ((HRESULT)0x887800C8)
#define MA_DSERR_BADSENDBUFFERGUID ((HRESULT)0x887800D2)
#define MA_DSERR_OBJECTNOTFOUND ((HRESULT)0x88781161)
#define MA_DSERR_FXUNAVAILABLE ((HRESULT)0x887800DC)
static ma_result ma_result_from_HRESULT(HRESULT hr)
{
switch (hr)
{
case NOERROR: return MA_SUCCESS;
case E_POINTER: return MA_INVALID_ARGS;
case E_UNEXPECTED: return MA_ERROR;
case E_NOTIMPL: return MA_NOT_IMPLEMENTED;
case E_OUTOFMEMORY: return MA_OUT_OF_MEMORY;
case E_INVALIDARG: return MA_INVALID_ARGS;
case E_NOINTERFACE: return MA_API_NOT_FOUND;
case E_HANDLE: return MA_INVALID_ARGS;
case E_ABORT: return MA_ERROR;
case E_FAIL: return MA_ERROR;
case E_ACCESSDENIED: return MA_ACCESS_DENIED;
case MA_AUDCLNT_E_NOT_INITIALIZED: return MA_DEVICE_NOT_INITIALIZED;
case MA_AUDCLNT_E_ALREADY_INITIALIZED: return MA_DEVICE_ALREADY_INITIALIZED;
case MA_AUDCLNT_E_WRONG_ENDPOINT_TYPE: return MA_INVALID_ARGS;
case MA_AUDCLNT_E_DEVICE_INVALIDATED: return MA_UNAVAILABLE;
case MA_AUDCLNT_E_NOT_STOPPED: return MA_DEVICE_NOT_STOPPED;
case MA_AUDCLNT_E_BUFFER_TOO_LARGE: return MA_TOO_BIG;
case MA_AUDCLNT_E_OUT_OF_ORDER: return MA_INVALID_OPERATION;
case MA_AUDCLNT_E_UNSUPPORTED_FORMAT: return MA_FORMAT_NOT_SUPPORTED;
case MA_AUDCLNT_E_INVALID_SIZE: return MA_INVALID_ARGS;
case MA_AUDCLNT_E_DEVICE_IN_USE: return MA_BUSY;
case MA_AUDCLNT_E_BUFFER_OPERATION_PENDING: return MA_INVALID_OPERATION;
case MA_AUDCLNT_E_THREAD_NOT_REGISTERED: return MA_DOES_NOT_EXIST;
case MA_AUDCLNT_E_NO_SINGLE_PROCESS: return MA_INVALID_OPERATION;
case MA_AUDCLNT_E_EXCLUSIVE_MODE_NOT_ALLOWED: return MA_SHARE_MODE_NOT_SUPPORTED;
case MA_AUDCLNT_E_ENDPOINT_CREATE_FAILED: return MA_FAILED_TO_OPEN_BACKEND_DEVICE;
case MA_AUDCLNT_E_SERVICE_NOT_RUNNING: return MA_NOT_CONNECTED;
case MA_AUDCLNT_E_EVENTHANDLE_NOT_EXPECTED: return MA_INVALID_ARGS;
case MA_AUDCLNT_E_EXCLUSIVE_MODE_ONLY: return MA_SHARE_MODE_NOT_SUPPORTED;
case MA_AUDCLNT_E_BUFDURATION_PERIOD_NOT_EQUAL: return MA_INVALID_ARGS;
case MA_AUDCLNT_E_EVENTHANDLE_NOT_SET: return MA_INVALID_ARGS;
case MA_AUDCLNT_E_INCORRECT_BUFFER_SIZE: return MA_INVALID_ARGS;
case MA_AUDCLNT_E_BUFFER_SIZE_ERROR: return MA_INVALID_ARGS;
case MA_AUDCLNT_E_CPUUSAGE_EXCEEDED: return MA_ERROR;
case MA_AUDCLNT_E_BUFFER_ERROR: return MA_ERROR;
case MA_AUDCLNT_E_BUFFER_SIZE_NOT_ALIGNED: return MA_INVALID_ARGS;
case MA_AUDCLNT_E_INVALID_DEVICE_PERIOD: return MA_INVALID_ARGS;
case MA_AUDCLNT_E_INVALID_STREAM_FLAG: return MA_INVALID_ARGS;
case MA_AUDCLNT_E_ENDPOINT_OFFLOAD_NOT_CAPABLE: return MA_INVALID_OPERATION;
case MA_AUDCLNT_E_OUT_OF_OFFLOAD_RESOURCES: return MA_OUT_OF_MEMORY;
case MA_AUDCLNT_E_OFFLOAD_MODE_ONLY: return MA_INVALID_OPERATION;
case MA_AUDCLNT_E_NONOFFLOAD_MODE_ONLY: return MA_INVALID_OPERATION;
case MA_AUDCLNT_E_RESOURCES_INVALIDATED: return MA_INVALID_DATA;
case MA_AUDCLNT_E_RAW_MODE_UNSUPPORTED: return MA_INVALID_OPERATION;
case MA_AUDCLNT_E_ENGINE_PERIODICITY_LOCKED: return MA_INVALID_OPERATION;
case MA_AUDCLNT_E_ENGINE_FORMAT_LOCKED: return MA_INVALID_OPERATION;
case MA_AUDCLNT_E_HEADTRACKING_ENABLED: return MA_INVALID_OPERATION;
case MA_AUDCLNT_E_HEADTRACKING_UNSUPPORTED: return MA_INVALID_OPERATION;
case MA_AUDCLNT_S_BUFFER_EMPTY: return MA_NO_SPACE;
case MA_AUDCLNT_S_THREAD_ALREADY_REGISTERED: return MA_ALREADY_EXISTS;
case MA_AUDCLNT_S_POSITION_STALLED: return MA_ERROR;
case MA_DS_NO_VIRTUALIZATION: return MA_SUCCESS;
case MA_DSERR_ALLOCATED: return MA_ALREADY_IN_USE;
case MA_DSERR_CONTROLUNAVAIL: return MA_INVALID_OPERATION;
case MA_DSERR_INVALIDCALL: return MA_INVALID_OPERATION;
case MA_DSERR_PRIOLEVELNEEDED: return MA_INVALID_OPERATION;
case MA_DSERR_BADFORMAT: return MA_FORMAT_NOT_SUPPORTED;
case MA_DSERR_NODRIVER: return MA_FAILED_TO_INIT_BACKEND;
case MA_DSERR_ALREADYINITIALIZED: return MA_DEVICE_ALREADY_INITIALIZED;
case MA_DSERR_NOAGGREGATION: return MA_ERROR;
case MA_DSERR_BUFFERLOST: return MA_UNAVAILABLE;
case MA_DSERR_OTHERAPPHASPRIO: return MA_ACCESS_DENIED;
case MA_DSERR_UNINITIALIZED: return MA_DEVICE_NOT_INITIALIZED;
case MA_DSERR_BUFFERTOOSMALL: return MA_NO_SPACE;
case MA_DSERR_DS8_REQUIRED: return MA_INVALID_OPERATION;
case MA_DSERR_SENDLOOP: return MA_DEADLOCK;
case MA_DSERR_BADSENDBUFFERGUID: return MA_INVALID_ARGS;
case MA_DSERR_OBJECTNOTFOUND: return MA_NO_DEVICE;
case MA_DSERR_FXUNAVAILABLE: return MA_UNAVAILABLE;
default: return MA_ERROR;
}
}
#define MA_VT_LPWSTR 31
#define MA_VT_BLOB 65
#if defined(_MSC_VER) && !defined(__clang__)
#pragma warning(push)
#pragma warning(disable:4201)
#elif defined(__clang__) || (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)))
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wpedantic"
#if defined(__clang__)
#pragma GCC diagnostic ignored "-Wc11-extensions"
#endif
#endif
typedef struct
{
WORD vt;
WORD wReserved1;
WORD wReserved2;
WORD wReserved3;
union
{
struct
{
ULONG cbSize;
BYTE* pBlobData;
} blob;
WCHAR* pwszVal;
char pad[16];
};
} MA_PROPVARIANT;
#if defined(_MSC_VER) && !defined(__clang__)
#pragma warning(pop)
#elif defined(__clang__) || (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)))
#pragma GCC diagnostic pop
#endif
typedef HRESULT (WINAPI * MA_PFN_CoInitialize)(void* pvReserved);
typedef HRESULT (WINAPI * MA_PFN_CoInitializeEx)(void* pvReserved, DWORD dwCoInit);
typedef void (WINAPI * MA_PFN_CoUninitialize)(void);
typedef HRESULT (WINAPI * MA_PFN_CoCreateInstance)(const IID* rclsid, void* pUnkOuter, DWORD dwClsContext, const IID* riid, void* ppv);
typedef void (WINAPI * MA_PFN_CoTaskMemFree)(void* pv);
typedef HRESULT (WINAPI * MA_PFN_PropVariantClear)(MA_PROPVARIANT *pvar);
typedef int (WINAPI * MA_PFN_StringFromGUID2)(const GUID* const rguid, WCHAR* lpsz, int cchMax);
typedef HWND (WINAPI * MA_PFN_GetForegroundWindow)(void);
typedef HWND (WINAPI * MA_PFN_GetDesktopWindow)(void);
#if defined(MA_WIN32_DESKTOP)
typedef LONG (WINAPI * MA_PFN_RegOpenKeyExA)(HKEY hKey, const char* lpSubKey, DWORD ulOptions, DWORD samDesired, HKEY* phkResult);
typedef LONG (WINAPI * MA_PFN_RegCloseKey)(HKEY hKey);
typedef LONG (WINAPI * MA_PFN_RegQueryValueExA)(HKEY hKey, const char* lpValueName, DWORD* lpReserved, DWORD* lpType, BYTE* lpData, DWORD* lpcbData);
#endif
static GUID MA_GUID_KSDATAFORMAT_SUBTYPE_PCM = {0x00000001, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
static GUID MA_GUID_KSDATAFORMAT_SUBTYPE_IEEE_FLOAT = {0x00000003, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
MA_API size_t ma_strlen_WCHAR(const WCHAR* str)
{
size_t len = 0;
while (str[len] != '\0') {
len += 1;
}
return len;
}
MA_API int ma_strcmp_WCHAR(const WCHAR *s1, const WCHAR *s2)
{
while (*s1 != '\0' && *s1 == *s2) {
s1 += 1;
s2 += 1;
}
return *s1 - *s2;
}
MA_API int ma_strcpy_s_WCHAR(WCHAR* dst, size_t dstCap, const WCHAR* src)
{
size_t i;
if (dst == 0) {
return 22;
}
if (dstCap == 0) {
return 34;
}
if (src == 0) {
dst[0] = '\0';
return 22;
}
for (i = 0; i < dstCap && src[i] != '\0'; ++i) {
dst[i] = src[i];
}
if (i < dstCap) {
dst[i] = '\0';
return 0;
}
dst[0] = '\0';
return 34;
}
#endif
#define MA_DEFAULT_PLAYBACK_DEVICE_NAME "Default Playback Device"
#define MA_DEFAULT_CAPTURE_DEVICE_NAME "Default Capture Device"
#if defined(MA_WIN32) && !defined(MA_POSIX)
static LARGE_INTEGER g_ma_TimerFrequency;
static MA_INLINE void ma_timer_init(ma_timer* pTimer)
{
LARGE_INTEGER counter;
if (g_ma_TimerFrequency.QuadPart == 0) {
QueryPerformanceFrequency(&g_ma_TimerFrequency);
}
QueryPerformanceCounter(&counter);
pTimer->counter = counter.QuadPart;
}
static MA_INLINE double ma_timer_get_time_in_seconds(ma_timer* pTimer)
{
LARGE_INTEGER counter;
if (!QueryPerformanceCounter(&counter)) {
return 0;
}
return (double)(counter.QuadPart - pTimer->counter) / g_ma_TimerFrequency.QuadPart;
}
#elif defined(MA_APPLE) && (MAC_OS_X_VERSION_MIN_REQUIRED < 101200)
static ma_uint64 g_ma_TimerFrequency = 0;
static MA_INLINE void ma_timer_init(ma_timer* pTimer)
{
mach_timebase_info_data_t baseTime;
mach_timebase_info(&baseTime);
g_ma_TimerFrequency = (baseTime.denom * 1e9) / baseTime.numer;
pTimer->counter = mach_absolute_time();
}
static MA_INLINE double ma_timer_get_time_in_seconds(ma_timer* pTimer)
{
ma_uint64 newTimeCounter = mach_absolute_time();
ma_uint64 oldTimeCounter = pTimer->counter;
return (newTimeCounter - oldTimeCounter) / g_ma_TimerFrequency;
}
#elif defined(MA_EMSCRIPTEN)
static MA_INLINE void ma_timer_init(ma_timer* pTimer)
{
pTimer->counterD = emscripten_get_now();
}
static MA_INLINE double ma_timer_get_time_in_seconds(ma_timer* pTimer)
{
return (emscripten_get_now() - pTimer->counterD) / 1000;
}
#else
#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 199309L
#if defined(CLOCK_MONOTONIC)
#define MA_CLOCK_ID CLOCK_MONOTONIC
#else
#define MA_CLOCK_ID CLOCK_REALTIME
#endif
static MA_INLINE void ma_timer_init(ma_timer* pTimer)
{
struct timespec newTime;
clock_gettime(MA_CLOCK_ID, &newTime);
pTimer->counter = ((ma_int64)newTime.tv_sec * 1000000000) + newTime.tv_nsec;
}
static MA_INLINE double ma_timer_get_time_in_seconds(ma_timer* pTimer)
{
ma_uint64 newTimeCounter;
ma_uint64 oldTimeCounter;
struct timespec newTime;
clock_gettime(MA_CLOCK_ID, &newTime);
newTimeCounter = ((ma_uint64)newTime.tv_sec * 1000000000) + newTime.tv_nsec;
oldTimeCounter = pTimer->counter;
return (newTimeCounter - oldTimeCounter) / 1000000000.0;
}
#else
static MA_INLINE void ma_timer_init(ma_timer* pTimer)
{
struct timeval newTime;
gettimeofday(&newTime, NULL);
pTimer->counter = ((ma_int64)newTime.tv_sec * 1000000) + newTime.tv_usec;
}
static MA_INLINE double ma_timer_get_time_in_seconds(ma_timer* pTimer)
{
ma_uint64 newTimeCounter;
ma_uint64 oldTimeCounter;
struct timeval newTime;
gettimeofday(&newTime, NULL);
newTimeCounter = ((ma_uint64)newTime.tv_sec * 1000000) + newTime.tv_usec;
oldTimeCounter = pTimer->counter;
return (newTimeCounter - oldTimeCounter) / 1000000.0;
}
#endif
#endif
#if 0
static ma_uint32 ma_get_closest_standard_sample_rate(ma_uint32 sampleRateIn)
{
ma_uint32 closestRate = 0;
ma_uint32 closestDiff = 0xFFFFFFFF;
size_t iStandardRate;
for (iStandardRate = 0; iStandardRate < ma_countof(g_maStandardSampleRatePriorities); ++iStandardRate) {
ma_uint32 standardRate = g_maStandardSampleRatePriorities[iStandardRate];
ma_uint32 diff;
if (sampleRateIn > standardRate) {
diff = sampleRateIn - standardRate;
} else {
diff = standardRate - sampleRateIn;
}
if (diff == 0) {
return standardRate;
}
if (closestDiff > diff) {
closestDiff = diff;
closestRate = standardRate;
}
}
return closestRate;
}
#endif
static MA_INLINE unsigned int ma_device_disable_denormals(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
if (!pDevice->noDisableDenormals) {
return ma_disable_denormals();
} else {
return 0;
}
}
static MA_INLINE void ma_device_restore_denormals(ma_device* pDevice, unsigned int prevState)
{
MA_ASSERT(pDevice != NULL);
if (!pDevice->noDisableDenormals) {
ma_restore_denormals(prevState);
} else {
(void)prevState;
}
}
static ma_device_notification ma_device_notification_init(ma_device* pDevice, ma_device_notification_type type)
{
ma_device_notification notification;
MA_ZERO_OBJECT(&notification);
notification.pDevice = pDevice;
notification.type = type;
return notification;
}
static void ma_device__on_notification(ma_device_notification notification)
{
MA_ASSERT(notification.pDevice != NULL);
if (notification.pDevice->onNotification != NULL) {
notification.pDevice->onNotification(&notification);
}
if (notification.pDevice->onStop != NULL && notification.type == ma_device_notification_type_stopped) {
notification.pDevice->onStop(notification.pDevice);
}
}
static void ma_device__on_notification_started(ma_device* pDevice)
{
ma_device__on_notification(ma_device_notification_init(pDevice, ma_device_notification_type_started));
}
static void ma_device__on_notification_stopped(ma_device* pDevice)
{
ma_device__on_notification(ma_device_notification_init(pDevice, ma_device_notification_type_stopped));
}
#if !defined(MA_EMSCRIPTEN)
static void ma_device__on_notification_rerouted(ma_device* pDevice)
{
ma_device__on_notification(ma_device_notification_init(pDevice, ma_device_notification_type_rerouted));
}
#endif
#if defined(MA_EMSCRIPTEN)
#ifdef __cplusplus
extern "C" {
#endif
void EMSCRIPTEN_KEEPALIVE ma_device__on_notification_unlocked(ma_device* pDevice)
{
ma_device__on_notification(ma_device_notification_init(pDevice, ma_device_notification_type_unlocked));
}
#ifdef __cplusplus
}
#endif
#endif
static void ma_device__on_data_inner(ma_device* pDevice, void* pFramesOut, const void* pFramesIn, ma_uint32 frameCount)
{
MA_ASSERT(pDevice != NULL);
MA_ASSERT(pDevice->onData != NULL);
if (!pDevice->noPreSilencedOutputBuffer && pFramesOut != NULL) {
ma_silence_pcm_frames(pFramesOut, frameCount, pDevice->playback.format, pDevice->playback.channels);
}
pDevice->onData(pDevice, pFramesOut, pFramesIn, frameCount);
}
static void ma_device__on_data(ma_device* pDevice, void* pFramesOut, const void* pFramesIn, ma_uint32 frameCount)
{
MA_ASSERT(pDevice != NULL);
if (ma_device_get_state(pDevice) == ma_device_state_stopping) {
return;
}
if (pDevice->noFixedSizedCallback) {
ma_device__on_data_inner(pDevice, pFramesOut, pFramesIn, frameCount);
} else {
ma_uint32 totalFramesProcessed = 0;
while (totalFramesProcessed < frameCount) {
ma_uint32 totalFramesRemaining = frameCount - totalFramesProcessed;
ma_uint32 framesToProcessThisIteration = 0;
if (pFramesIn != NULL) {
if (pDevice->capture.intermediaryBufferLen < pDevice->capture.intermediaryBufferCap) {
framesToProcessThisIteration = totalFramesRemaining;
if (framesToProcessThisIteration > pDevice->capture.intermediaryBufferCap - pDevice->capture.intermediaryBufferLen) {
framesToProcessThisIteration = pDevice->capture.intermediaryBufferCap - pDevice->capture.intermediaryBufferLen;
}
ma_copy_pcm_frames(
ma_offset_pcm_frames_ptr(pDevice->capture.pIntermediaryBuffer, pDevice->capture.intermediaryBufferLen, pDevice->capture.format, pDevice->capture.channels),
ma_offset_pcm_frames_const_ptr(pFramesIn, totalFramesProcessed, pDevice->capture.format, pDevice->capture.channels),
framesToProcessThisIteration,
pDevice->capture.format, pDevice->capture.channels);
pDevice->capture.intermediaryBufferLen += framesToProcessThisIteration;
}
if (pDevice->capture.intermediaryBufferLen == pDevice->capture.intermediaryBufferCap) {
if (pDevice->type == ma_device_type_duplex) {
} else {
ma_device__on_data_inner(pDevice, NULL, pDevice->capture.pIntermediaryBuffer, pDevice->capture.intermediaryBufferCap);
pDevice->capture.intermediaryBufferLen = 0;
}
}
}
if (pFramesOut != NULL) {
if (pDevice->playback.intermediaryBufferLen > 0) {
if (pDevice->type == ma_device_type_duplex) {
} else {
framesToProcessThisIteration = totalFramesRemaining;
if (framesToProcessThisIteration > pDevice->playback.intermediaryBufferLen) {
framesToProcessThisIteration = pDevice->playback.intermediaryBufferLen;
}
}
ma_copy_pcm_frames(
ma_offset_pcm_frames_ptr(pFramesOut, totalFramesProcessed, pDevice->playback.format, pDevice->playback.channels),
ma_offset_pcm_frames_ptr(pDevice->playback.pIntermediaryBuffer, pDevice->playback.intermediaryBufferCap - pDevice->playback.intermediaryBufferLen, pDevice->playback.format, pDevice->playback.channels),
framesToProcessThisIteration,
pDevice->playback.format, pDevice->playback.channels);
pDevice->playback.intermediaryBufferLen -= framesToProcessThisIteration;
}
if (pDevice->playback.intermediaryBufferLen == 0) {
if (pDevice->type == ma_device_type_duplex) {
} else {
ma_device__on_data_inner(pDevice, pDevice->playback.pIntermediaryBuffer, NULL, pDevice->playback.intermediaryBufferCap);
pDevice->playback.intermediaryBufferLen = pDevice->playback.intermediaryBufferCap;
}
}
}
if (pDevice->type == ma_device_type_duplex) {
if (pDevice->capture.intermediaryBufferLen == pDevice->capture.intermediaryBufferCap) {
ma_device__on_data_inner(pDevice, pDevice->playback.pIntermediaryBuffer, pDevice->capture.pIntermediaryBuffer, pDevice->capture.intermediaryBufferCap);
pDevice->playback.intermediaryBufferLen = pDevice->playback.intermediaryBufferCap;
pDevice->capture.intermediaryBufferLen = 0;
}
}
totalFramesProcessed += framesToProcessThisIteration;
}
}
}
static void ma_device__handle_data_callback(ma_device* pDevice, void* pFramesOut, const void* pFramesIn, ma_uint32 frameCount)
{
float masterVolumeFactor;
ma_device_get_master_volume(pDevice, &masterVolumeFactor);
if (pDevice->onData) {
unsigned int prevDenormalState = ma_device_disable_denormals(pDevice);
{
if (pFramesIn != NULL && masterVolumeFactor != 1) {
ma_uint8 tempFramesIn[MA_DATA_CONVERTER_STACK_BUFFER_SIZE];
ma_uint32 bpfCapture = ma_get_bytes_per_frame(pDevice->capture.format, pDevice->capture.channels);
ma_uint32 bpfPlayback = ma_get_bytes_per_frame(pDevice->playback.format, pDevice->playback.channels);
ma_uint32 totalFramesProcessed = 0;
while (totalFramesProcessed < frameCount) {
ma_uint32 framesToProcessThisIteration = frameCount - totalFramesProcessed;
if (framesToProcessThisIteration > sizeof(tempFramesIn)/bpfCapture) {
framesToProcessThisIteration = sizeof(tempFramesIn)/bpfCapture;
}
ma_copy_and_apply_volume_factor_pcm_frames(tempFramesIn, ma_offset_ptr(pFramesIn, totalFramesProcessed*bpfCapture), framesToProcessThisIteration, pDevice->capture.format, pDevice->capture.channels, masterVolumeFactor);
ma_device__on_data(pDevice, ma_offset_ptr(pFramesOut, totalFramesProcessed*bpfPlayback), tempFramesIn, framesToProcessThisIteration);
totalFramesProcessed += framesToProcessThisIteration;
}
} else {
ma_device__on_data(pDevice, pFramesOut, pFramesIn, frameCount);
}
if (pFramesOut != NULL) {
if (masterVolumeFactor != 1) {
if (pFramesIn == NULL) {
ma_apply_volume_factor_pcm_frames(pFramesOut, frameCount, pDevice->playback.format, pDevice->playback.channels, masterVolumeFactor);
}
}
if (!pDevice->noClip && pDevice->playback.format == ma_format_f32) {
ma_clip_samples_f32((float*)pFramesOut, (const float*)pFramesOut, frameCount * pDevice->playback.channels);
}
}
}
ma_device_restore_denormals(pDevice, prevDenormalState);
} else {
if (pFramesOut != NULL) {
ma_silence_pcm_frames(pFramesOut, frameCount, pDevice->playback.format, pDevice->playback.channels);
}
}
}
static void ma_device__read_frames_from_client(ma_device* pDevice, ma_uint32 frameCount, void* pFramesOut)
{
MA_ASSERT(pDevice != NULL);
MA_ASSERT(frameCount > 0);
MA_ASSERT(pFramesOut != NULL);
if (pDevice->playback.converter.isPassthrough) {
ma_device__handle_data_callback(pDevice, pFramesOut, NULL, frameCount);
} else {
ma_result result;
ma_uint64 totalFramesReadOut;
void* pRunningFramesOut;
totalFramesReadOut = 0;
pRunningFramesOut = pFramesOut;
if (pDevice->playback.pInputCache != NULL) {
while (totalFramesReadOut < frameCount) {
ma_uint64 framesToReadThisIterationIn;
ma_uint64 framesToReadThisIterationOut;
if (pDevice->playback.inputCacheRemaining > 0) {
framesToReadThisIterationOut = (frameCount - totalFramesReadOut);
framesToReadThisIterationIn = framesToReadThisIterationOut;
if (framesToReadThisIterationIn > pDevice->playback.inputCacheRemaining) {
framesToReadThisIterationIn = pDevice->playback.inputCacheRemaining;
}
result = ma_data_converter_process_pcm_frames(&pDevice->playback.converter, ma_offset_pcm_frames_ptr(pDevice->playback.pInputCache, pDevice->playback.inputCacheConsumed, pDevice->playback.format, pDevice->playback.channels), &framesToReadThisIterationIn, pRunningFramesOut, &framesToReadThisIterationOut);
if (result != MA_SUCCESS) {
break;
}
pDevice->playback.inputCacheConsumed += framesToReadThisIterationIn;
pDevice->playback.inputCacheRemaining -= framesToReadThisIterationIn;
totalFramesReadOut += framesToReadThisIterationOut;
pRunningFramesOut = ma_offset_ptr(pRunningFramesOut, framesToReadThisIterationOut * ma_get_bytes_per_frame(pDevice->playback.internalFormat, pDevice->playback.internalChannels));
if (framesToReadThisIterationIn == 0 && framesToReadThisIterationOut == 0) {
break;
}
}
if (pDevice->playback.inputCacheRemaining == 0) {
ma_device__handle_data_callback(pDevice, pDevice->playback.pInputCache, NULL, (ma_uint32)pDevice->playback.inputCacheCap);
pDevice->playback.inputCacheConsumed = 0;
pDevice->playback.inputCacheRemaining = pDevice->playback.inputCacheCap;
}
}
} else {
while (totalFramesReadOut < frameCount) {
ma_uint8 pIntermediaryBuffer[MA_DATA_CONVERTER_STACK_BUFFER_SIZE];
ma_uint64 intermediaryBufferCap = sizeof(pIntermediaryBuffer) / ma_get_bytes_per_frame(pDevice->playback.format, pDevice->playback.channels);
ma_uint64 framesToReadThisIterationIn;
ma_uint64 framesReadThisIterationIn;
ma_uint64 framesToReadThisIterationOut;
ma_uint64 framesReadThisIterationOut;
ma_uint64 requiredInputFrameCount;
framesToReadThisIterationOut = (frameCount - totalFramesReadOut);
framesToReadThisIterationIn = framesToReadThisIterationOut;
if (framesToReadThisIterationIn > intermediaryBufferCap) {
framesToReadThisIterationIn = intermediaryBufferCap;
}
ma_data_converter_get_required_input_frame_count(&pDevice->playback.converter, framesToReadThisIterationOut, &requiredInputFrameCount);
if (framesToReadThisIterationIn > requiredInputFrameCount) {
framesToReadThisIterationIn = requiredInputFrameCount;
}
ma_device__handle_data_callback(pDevice, pIntermediaryBuffer, NULL, (ma_uint32)framesToReadThisIterationIn);
framesReadThisIterationIn = framesToReadThisIterationIn;
framesReadThisIterationOut = framesToReadThisIterationOut;
result = ma_data_converter_process_pcm_frames(&pDevice->playback.converter, pIntermediaryBuffer, &framesReadThisIterationIn, pRunningFramesOut, &framesReadThisIterationOut);
if (result != MA_SUCCESS) {
break;
}
totalFramesReadOut += framesReadThisIterationOut;
pRunningFramesOut = ma_offset_ptr(pRunningFramesOut, framesReadThisIterationOut * ma_get_bytes_per_frame(pDevice->playback.internalFormat, pDevice->playback.internalChannels));
if (framesReadThisIterationIn == 0 && framesReadThisIterationOut == 0) {
break;
}
}
}
}
}
static void ma_device__send_frames_to_client(ma_device* pDevice, ma_uint32 frameCountInDeviceFormat, const void* pFramesInDeviceFormat)
{
MA_ASSERT(pDevice != NULL);
MA_ASSERT(frameCountInDeviceFormat > 0);
MA_ASSERT(pFramesInDeviceFormat != NULL);
if (pDevice->capture.converter.isPassthrough) {
ma_device__handle_data_callback(pDevice, NULL, pFramesInDeviceFormat, frameCountInDeviceFormat);
} else {
ma_result result;
ma_uint8 pFramesInClientFormat[MA_DATA_CONVERTER_STACK_BUFFER_SIZE];
ma_uint64 framesInClientFormatCap = sizeof(pFramesInClientFormat) / ma_get_bytes_per_frame(pDevice->capture.format, pDevice->capture.channels);
ma_uint64 totalDeviceFramesProcessed = 0;
ma_uint64 totalClientFramesProcessed = 0;
const void* pRunningFramesInDeviceFormat = pFramesInDeviceFormat;
for (;;) {
ma_uint64 deviceFramesProcessedThisIteration;
ma_uint64 clientFramesProcessedThisIteration;
deviceFramesProcessedThisIteration = (frameCountInDeviceFormat - totalDeviceFramesProcessed);
clientFramesProcessedThisIteration = framesInClientFormatCap;
result = ma_data_converter_process_pcm_frames(&pDevice->capture.converter, pRunningFramesInDeviceFormat, &deviceFramesProcessedThisIteration, pFramesInClientFormat, &clientFramesProcessedThisIteration);
if (result != MA_SUCCESS) {
break;
}
if (clientFramesProcessedThisIteration > 0) {
ma_device__handle_data_callback(pDevice, NULL, pFramesInClientFormat, (ma_uint32)clientFramesProcessedThisIteration);
}
pRunningFramesInDeviceFormat = ma_offset_ptr(pRunningFramesInDeviceFormat, deviceFramesProcessedThisIteration * ma_get_bytes_per_frame(pDevice->capture.internalFormat, pDevice->capture.internalChannels));
totalDeviceFramesProcessed += deviceFramesProcessedThisIteration;
totalClientFramesProcessed += clientFramesProcessedThisIteration;
(void)totalClientFramesProcessed;
if (deviceFramesProcessedThisIteration == 0 && clientFramesProcessedThisIteration == 0) {
break;
}
}
}
}
static ma_result ma_device__handle_duplex_callback_capture(ma_device* pDevice, ma_uint32 frameCountInDeviceFormat, const void* pFramesInDeviceFormat, ma_pcm_rb* pRB)
{
ma_result result;
ma_uint32 totalDeviceFramesProcessed = 0;
const void* pRunningFramesInDeviceFormat = pFramesInDeviceFormat;
MA_ASSERT(pDevice != NULL);
MA_ASSERT(frameCountInDeviceFormat > 0);
MA_ASSERT(pFramesInDeviceFormat != NULL);
MA_ASSERT(pRB != NULL);
for (;;) {
ma_uint32 framesToProcessInDeviceFormat = (frameCountInDeviceFormat - totalDeviceFramesProcessed);
ma_uint32 framesToProcessInClientFormat = MA_DATA_CONVERTER_STACK_BUFFER_SIZE / ma_get_bytes_per_frame(pDevice->capture.format, pDevice->capture.channels);
ma_uint64 framesProcessedInDeviceFormat;
ma_uint64 framesProcessedInClientFormat;
void* pFramesInClientFormat;
result = ma_pcm_rb_acquire_write(pRB, &framesToProcessInClientFormat, &pFramesInClientFormat);
if (result != MA_SUCCESS) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "Failed to acquire capture PCM frames from ring buffer.");
break;
}
if (framesToProcessInClientFormat == 0) {
if (ma_pcm_rb_pointer_distance(pRB) == (ma_int32)ma_pcm_rb_get_subbuffer_size(pRB)) {
break;
}
}
framesProcessedInDeviceFormat = framesToProcessInDeviceFormat;
framesProcessedInClientFormat = framesToProcessInClientFormat;
result = ma_data_converter_process_pcm_frames(&pDevice->capture.converter, pRunningFramesInDeviceFormat, &framesProcessedInDeviceFormat, pFramesInClientFormat, &framesProcessedInClientFormat);
if (result != MA_SUCCESS) {
break;
}
result = ma_pcm_rb_commit_write(pRB, (ma_uint32)framesProcessedInClientFormat);
if (result != MA_SUCCESS) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "Failed to commit capture PCM frames to ring buffer.");
break;
}
pRunningFramesInDeviceFormat = ma_offset_ptr(pRunningFramesInDeviceFormat, framesProcessedInDeviceFormat * ma_get_bytes_per_frame(pDevice->capture.internalFormat, pDevice->capture.internalChannels));
totalDeviceFramesProcessed += (ma_uint32)framesProcessedInDeviceFormat;
if (framesProcessedInClientFormat == 0 && framesProcessedInDeviceFormat == 0) {
break;
}
}
return MA_SUCCESS;
}
static ma_result ma_device__handle_duplex_callback_playback(ma_device* pDevice, ma_uint32 frameCount, void* pFramesInInternalFormat, ma_pcm_rb* pRB)
{
ma_result result;
ma_uint8 silentInputFrames[MA_DATA_CONVERTER_STACK_BUFFER_SIZE];
ma_uint32 totalFramesReadOut = 0;
MA_ASSERT(pDevice != NULL);
MA_ASSERT(frameCount > 0);
MA_ASSERT(pFramesInInternalFormat != NULL);
MA_ASSERT(pRB != NULL);
MA_ASSERT(pDevice->playback.pInputCache != NULL);
MA_ZERO_MEMORY(silentInputFrames, sizeof(silentInputFrames));
while (totalFramesReadOut < frameCount && ma_device_is_started(pDevice)) {
if (pDevice->playback.inputCacheRemaining > 0) {
ma_uint64 framesConvertedIn = pDevice->playback.inputCacheRemaining;
ma_uint64 framesConvertedOut = (frameCount - totalFramesReadOut);
ma_data_converter_process_pcm_frames(&pDevice->playback.converter, ma_offset_pcm_frames_ptr(pDevice->playback.pInputCache, pDevice->playback.inputCacheConsumed, pDevice->playback.format, pDevice->playback.channels), &framesConvertedIn, pFramesInInternalFormat, &framesConvertedOut);
pDevice->playback.inputCacheConsumed += framesConvertedIn;
pDevice->playback.inputCacheRemaining -= framesConvertedIn;
totalFramesReadOut += (ma_uint32)framesConvertedOut;
pFramesInInternalFormat = ma_offset_ptr(pFramesInInternalFormat, framesConvertedOut * ma_get_bytes_per_frame(pDevice->playback.internalFormat, pDevice->playback.internalChannels));
}
if (totalFramesReadOut < frameCount && pDevice->playback.inputCacheRemaining == 0) {
ma_uint32 inputFrameCount;
void* pInputFrames;
inputFrameCount = (ma_uint32)pDevice->playback.inputCacheCap;
result = ma_pcm_rb_acquire_read(pRB, &inputFrameCount, &pInputFrames);
if (result == MA_SUCCESS) {
if (inputFrameCount > 0) {
ma_device__handle_data_callback(pDevice, pDevice->playback.pInputCache, pInputFrames, inputFrameCount);
} else {
if (ma_pcm_rb_pointer_distance(pRB) == 0) {
break;
}
}
} else {
inputFrameCount = (ma_uint32)ma_min(pDevice->playback.inputCacheCap, sizeof(silentInputFrames) / ma_get_bytes_per_frame(pDevice->capture.format, pDevice->capture.channels));
ma_device__handle_data_callback(pDevice, pDevice->playback.pInputCache, silentInputFrames, inputFrameCount);
}
pDevice->playback.inputCacheConsumed = 0;
pDevice->playback.inputCacheRemaining = inputFrameCount;
result = ma_pcm_rb_commit_read(pRB, inputFrameCount);
if (result != MA_SUCCESS) {
return result;
}
}
}
return MA_SUCCESS;
}
static MA_INLINE void ma_device__set_state(ma_device* pDevice, ma_device_state newState)
{
ma_atomic_device_state_set(&pDevice->state, newState);
}
MA_API ma_uint32 ma_get_format_priority_index(ma_format format)
{
ma_uint32 i;
for (i = 0; i < ma_countof(g_maFormatPriorities); ++i) {
if (g_maFormatPriorities[i] == format) {
return i;
}
}
return (ma_uint32)-1;
}
static ma_result ma_device__post_init_setup(ma_device* pDevice, ma_device_type deviceType);
static ma_bool32 ma_device_descriptor_is_valid(const ma_device_descriptor* pDeviceDescriptor)
{
if (pDeviceDescriptor == NULL) {
return MA_FALSE;
}
if (pDeviceDescriptor->format == ma_format_unknown) {
return MA_FALSE;
}
if (pDeviceDescriptor->channels == 0 || pDeviceDescriptor->channels > MA_MAX_CHANNELS) {
return MA_FALSE;
}
if (pDeviceDescriptor->sampleRate == 0) {
return MA_FALSE;
}
return MA_TRUE;
}
static ma_result ma_device_audio_thread__default_read_write(ma_device* pDevice)
{
ma_result result = MA_SUCCESS;
ma_bool32 exitLoop = MA_FALSE;
ma_uint8 capturedDeviceData[MA_DATA_CONVERTER_STACK_BUFFER_SIZE];
ma_uint8 playbackDeviceData[MA_DATA_CONVERTER_STACK_BUFFER_SIZE];
ma_uint32 capturedDeviceDataCapInFrames = 0;
ma_uint32 playbackDeviceDataCapInFrames = 0;
MA_ASSERT(pDevice != NULL);
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex || pDevice->type == ma_device_type_loopback) {
if (pDevice->pContext->callbacks.onDeviceRead == NULL) {
return MA_NOT_IMPLEMENTED;
}
capturedDeviceDataCapInFrames = sizeof(capturedDeviceData) / ma_get_bytes_per_frame(pDevice->capture.internalFormat, pDevice->capture.internalChannels);
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
if (pDevice->pContext->callbacks.onDeviceWrite == NULL) {
return MA_NOT_IMPLEMENTED;
}
playbackDeviceDataCapInFrames = sizeof(playbackDeviceData) / ma_get_bytes_per_frame(pDevice->playback.internalFormat, pDevice->playback.internalChannels);
}
while (ma_device_get_state(pDevice) == ma_device_state_started && !exitLoop) {
switch (pDevice->type) {
case ma_device_type_duplex:
{
ma_uint32 totalCapturedDeviceFramesProcessed = 0;
ma_uint32 capturedDevicePeriodSizeInFrames = ma_min(pDevice->capture.internalPeriodSizeInFrames, pDevice->playback.internalPeriodSizeInFrames);
while (totalCapturedDeviceFramesProcessed < capturedDevicePeriodSizeInFrames) {
ma_uint32 capturedDeviceFramesRemaining;
ma_uint32 capturedDeviceFramesProcessed;
ma_uint32 capturedDeviceFramesToProcess;
ma_uint32 capturedDeviceFramesToTryProcessing = capturedDevicePeriodSizeInFrames - totalCapturedDeviceFramesProcessed;
if (capturedDeviceFramesToTryProcessing > capturedDeviceDataCapInFrames) {
capturedDeviceFramesToTryProcessing = capturedDeviceDataCapInFrames;
}
result = pDevice->pContext->callbacks.onDeviceRead(pDevice, capturedDeviceData, capturedDeviceFramesToTryProcessing, &capturedDeviceFramesToProcess);
if (result != MA_SUCCESS) {
exitLoop = MA_TRUE;
break;
}
capturedDeviceFramesRemaining = capturedDeviceFramesToProcess;
capturedDeviceFramesProcessed = 0;
for (;;) {
ma_uint8 capturedClientData[MA_DATA_CONVERTER_STACK_BUFFER_SIZE];
ma_uint8 playbackClientData[MA_DATA_CONVERTER_STACK_BUFFER_SIZE];
ma_uint32 capturedClientDataCapInFrames = sizeof(capturedClientData) / ma_get_bytes_per_frame(pDevice->capture.format, pDevice->capture.channels);
ma_uint32 playbackClientDataCapInFrames = sizeof(playbackClientData) / ma_get_bytes_per_frame(pDevice->playback.format, pDevice->playback.channels);
ma_uint64 capturedClientFramesToProcessThisIteration = ma_min(capturedClientDataCapInFrames, playbackClientDataCapInFrames);
ma_uint64 capturedDeviceFramesToProcessThisIteration = capturedDeviceFramesRemaining;
ma_uint8* pRunningCapturedDeviceFrames = ma_offset_ptr(capturedDeviceData, capturedDeviceFramesProcessed * ma_get_bytes_per_frame(pDevice->capture.internalFormat, pDevice->capture.internalChannels));
result = ma_data_converter_process_pcm_frames(&pDevice->capture.converter, pRunningCapturedDeviceFrames, &capturedDeviceFramesToProcessThisIteration, capturedClientData, &capturedClientFramesToProcessThisIteration);
if (result != MA_SUCCESS) {
break;
}
if (capturedClientFramesToProcessThisIteration == 0) {
break;
}
ma_device__handle_data_callback(pDevice, playbackClientData, capturedClientData, (ma_uint32)capturedClientFramesToProcessThisIteration);
capturedDeviceFramesProcessed += (ma_uint32)capturedDeviceFramesToProcessThisIteration;
capturedDeviceFramesRemaining -= (ma_uint32)capturedDeviceFramesToProcessThisIteration;
for (;;) {
ma_uint64 convertedClientFrameCount = capturedClientFramesToProcessThisIteration;
ma_uint64 convertedDeviceFrameCount = playbackDeviceDataCapInFrames;
result = ma_data_converter_process_pcm_frames(&pDevice->playback.converter, playbackClientData, &convertedClientFrameCount, playbackDeviceData, &convertedDeviceFrameCount);
if (result != MA_SUCCESS) {
break;
}
result = pDevice->pContext->callbacks.onDeviceWrite(pDevice, playbackDeviceData, (ma_uint32)convertedDeviceFrameCount, NULL);
if (result != MA_SUCCESS) {
exitLoop = MA_TRUE;
break;
}
capturedClientFramesToProcessThisIteration -= (ma_uint32)convertedClientFrameCount;
if (capturedClientFramesToProcessThisIteration == 0) {
break;
}
}
if (result != MA_SUCCESS) {
exitLoop = MA_TRUE;
break;
}
}
if (capturedDeviceFramesProcessed == 0) {
break;
}
totalCapturedDeviceFramesProcessed += capturedDeviceFramesProcessed;
}
} break;
case ma_device_type_capture:
case ma_device_type_loopback:
{
ma_uint32 periodSizeInFrames = pDevice->capture.internalPeriodSizeInFrames;
ma_uint32 framesReadThisPeriod = 0;
while (framesReadThisPeriod < periodSizeInFrames) {
ma_uint32 framesRemainingInPeriod = periodSizeInFrames - framesReadThisPeriod;
ma_uint32 framesProcessed;
ma_uint32 framesToReadThisIteration = framesRemainingInPeriod;
if (framesToReadThisIteration > capturedDeviceDataCapInFrames) {
framesToReadThisIteration = capturedDeviceDataCapInFrames;
}
result = pDevice->pContext->callbacks.onDeviceRead(pDevice, capturedDeviceData, framesToReadThisIteration, &framesProcessed);
if (result != MA_SUCCESS) {
exitLoop = MA_TRUE;
break;
}
if (framesProcessed == 0) {
break;
}
ma_device__send_frames_to_client(pDevice, framesProcessed, capturedDeviceData);
framesReadThisPeriod += framesProcessed;
}
} break;
case ma_device_type_playback:
{
ma_uint32 periodSizeInFrames = pDevice->playback.internalPeriodSizeInFrames;
ma_uint32 framesWrittenThisPeriod = 0;
while (framesWrittenThisPeriod < periodSizeInFrames) {
ma_uint32 framesRemainingInPeriod = periodSizeInFrames - framesWrittenThisPeriod;
ma_uint32 framesProcessed;
ma_uint32 framesToWriteThisIteration = framesRemainingInPeriod;
if (framesToWriteThisIteration > playbackDeviceDataCapInFrames) {
framesToWriteThisIteration = playbackDeviceDataCapInFrames;
}
ma_device__read_frames_from_client(pDevice, framesToWriteThisIteration, playbackDeviceData);
result = pDevice->pContext->callbacks.onDeviceWrite(pDevice, playbackDeviceData, framesToWriteThisIteration, &framesProcessed);
if (result != MA_SUCCESS) {
exitLoop = MA_TRUE;
break;
}
if (framesProcessed == 0) {
break;
}
framesWrittenThisPeriod += framesProcessed;
}
} break;
default: break;
}
}
return result;
}
#ifdef MA_HAS_NULL
#define MA_DEVICE_OP_NONE__NULL 0
#define MA_DEVICE_OP_START__NULL 1
#define MA_DEVICE_OP_SUSPEND__NULL 2
#define MA_DEVICE_OP_KILL__NULL 3
static ma_thread_result MA_THREADCALL ma_device_thread__null(void* pData)
{
ma_device* pDevice = (ma_device*)pData;
MA_ASSERT(pDevice != NULL);
for (;;) {
ma_uint32 operation;
ma_event_wait(&pDevice->null_device.operationEvent);
operation = pDevice->null_device.operation;
if (operation == MA_DEVICE_OP_START__NULL) {
ma_timer_init(&pDevice->null_device.timer);
pDevice->null_device.operationResult = MA_SUCCESS;
ma_event_signal(&pDevice->null_device.operationCompletionEvent);
ma_semaphore_release(&pDevice->null_device.operationSemaphore);
continue;
}
if (operation == MA_DEVICE_OP_SUSPEND__NULL) {
pDevice->null_device.priorRunTime += ma_timer_get_time_in_seconds(&pDevice->null_device.timer);
ma_timer_init(&pDevice->null_device.timer);
pDevice->null_device.operationResult = MA_SUCCESS;
ma_event_signal(&pDevice->null_device.operationCompletionEvent);
ma_semaphore_release(&pDevice->null_device.operationSemaphore);
continue;
}
if (operation == MA_DEVICE_OP_KILL__NULL) {
pDevice->null_device.operationResult = MA_SUCCESS;
ma_event_signal(&pDevice->null_device.operationCompletionEvent);
ma_semaphore_release(&pDevice->null_device.operationSemaphore);
break;
}
if (operation == MA_DEVICE_OP_NONE__NULL) {
MA_ASSERT(MA_FALSE);
pDevice->null_device.operationResult = MA_INVALID_OPERATION;
ma_event_signal(&pDevice->null_device.operationCompletionEvent);
ma_semaphore_release(&pDevice->null_device.operationSemaphore);
continue;
}
}
return (ma_thread_result)0;
}
static ma_result ma_device_do_operation__null(ma_device* pDevice, ma_uint32 operation)
{
ma_result result;
result = ma_semaphore_wait(&pDevice->null_device.operationSemaphore);
if (result != MA_SUCCESS) {
return result;
}
pDevice->null_device.operation = operation;
if (ma_event_signal(&pDevice->null_device.operationEvent) != MA_SUCCESS) {
return MA_ERROR;
}
if (ma_event_wait(&pDevice->null_device.operationCompletionEvent) != MA_SUCCESS) {
return MA_ERROR;
}
return pDevice->null_device.operationResult;
}
static ma_uint64 ma_device_get_total_run_time_in_frames__null(ma_device* pDevice)
{
ma_uint32 internalSampleRate;
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
internalSampleRate = pDevice->capture.internalSampleRate;
} else {
internalSampleRate = pDevice->playback.internalSampleRate;
}
return (ma_uint64)((pDevice->null_device.priorRunTime + ma_timer_get_time_in_seconds(&pDevice->null_device.timer)) * internalSampleRate);
}
static ma_result ma_context_enumerate_devices__null(ma_context* pContext, ma_enum_devices_callback_proc callback, void* pUserData)
{
ma_bool32 cbResult = MA_TRUE;
MA_ASSERT(pContext != NULL);
MA_ASSERT(callback != NULL);
if (cbResult) {
ma_device_info deviceInfo;
MA_ZERO_OBJECT(&deviceInfo);
ma_strncpy_s(deviceInfo.name, sizeof(deviceInfo.name), "NULL Playback Device", (size_t)-1);
deviceInfo.isDefault = MA_TRUE;
cbResult = callback(pContext, ma_device_type_playback, &deviceInfo, pUserData);
}
if (cbResult) {
ma_device_info deviceInfo;
MA_ZERO_OBJECT(&deviceInfo);
ma_strncpy_s(deviceInfo.name, sizeof(deviceInfo.name), "NULL Capture Device", (size_t)-1);
deviceInfo.isDefault = MA_TRUE;
cbResult = callback(pContext, ma_device_type_capture, &deviceInfo, pUserData);
}
(void)cbResult;
return MA_SUCCESS;
}
static ma_result ma_context_get_device_info__null(ma_context* pContext, ma_device_type deviceType, const ma_device_id* pDeviceID, ma_device_info* pDeviceInfo)
{
MA_ASSERT(pContext != NULL);
if (pDeviceID != NULL && pDeviceID->nullbackend != 0) {
return MA_NO_DEVICE;
}
if (deviceType == ma_device_type_playback) {
ma_strncpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), "NULL Playback Device", (size_t)-1);
} else {
ma_strncpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), "NULL Capture Device", (size_t)-1);
}
pDeviceInfo->isDefault = MA_TRUE;
pDeviceInfo->nativeDataFormats[0].format = ma_format_unknown;
pDeviceInfo->nativeDataFormats[0].channels = 0;
pDeviceInfo->nativeDataFormats[0].sampleRate = 0;
pDeviceInfo->nativeDataFormats[0].flags = 0;
pDeviceInfo->nativeDataFormatCount = 1;
(void)pContext;
return MA_SUCCESS;
}
static ma_result ma_device_uninit__null(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
ma_device_do_operation__null(pDevice, MA_DEVICE_OP_KILL__NULL);
ma_thread_wait(&pDevice->null_device.deviceThread);
ma_semaphore_uninit(&pDevice->null_device.operationSemaphore);
ma_event_uninit(&pDevice->null_device.operationCompletionEvent);
ma_event_uninit(&pDevice->null_device.operationEvent);
return MA_SUCCESS;
}
static ma_result ma_device_init__null(ma_device* pDevice, const ma_device_config* pConfig, ma_device_descriptor* pDescriptorPlayback, ma_device_descriptor* pDescriptorCapture)
{
ma_result result;
MA_ASSERT(pDevice != NULL);
MA_ZERO_OBJECT(&pDevice->null_device);
if (pConfig->deviceType == ma_device_type_loopback) {
return MA_DEVICE_TYPE_NOT_SUPPORTED;
}
if (pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex) {
pDescriptorCapture->format = (pDescriptorCapture->format != ma_format_unknown) ? pDescriptorCapture->format : MA_DEFAULT_FORMAT;
pDescriptorCapture->channels = (pDescriptorCapture->channels != 0) ? pDescriptorCapture->channels : MA_DEFAULT_CHANNELS;
pDescriptorCapture->sampleRate = (pDescriptorCapture->sampleRate != 0) ? pDescriptorCapture->sampleRate : MA_DEFAULT_SAMPLE_RATE;
if (pDescriptorCapture->channelMap[0] == MA_CHANNEL_NONE) {
ma_channel_map_init_standard(ma_standard_channel_map_default, pDescriptorCapture->channelMap, ma_countof(pDescriptorCapture->channelMap), pDescriptorCapture->channels);
}
pDescriptorCapture->periodSizeInFrames = ma_calculate_buffer_size_in_frames_from_descriptor(pDescriptorCapture, pDescriptorCapture->sampleRate, pConfig->performanceProfile);
}
if (pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex) {
pDescriptorPlayback->format = (pDescriptorPlayback->format != ma_format_unknown) ? pDescriptorPlayback->format : MA_DEFAULT_FORMAT;
pDescriptorPlayback->channels = (pDescriptorPlayback->channels != 0) ? pDescriptorPlayback->channels : MA_DEFAULT_CHANNELS;
pDescriptorPlayback->sampleRate = (pDescriptorPlayback->sampleRate != 0) ? pDescriptorPlayback->sampleRate : MA_DEFAULT_SAMPLE_RATE;
if (pDescriptorPlayback->channelMap[0] == MA_CHANNEL_NONE) {
ma_channel_map_init_standard(ma_standard_channel_map_default, pDescriptorPlayback->channelMap, ma_countof(pDescriptorCapture->channelMap), pDescriptorPlayback->channels);
}
pDescriptorPlayback->periodSizeInFrames = ma_calculate_buffer_size_in_frames_from_descriptor(pDescriptorPlayback, pDescriptorPlayback->sampleRate, pConfig->performanceProfile);
}
result = ma_event_init(&pDevice->null_device.operationEvent);
if (result != MA_SUCCESS) {
return result;
}
result = ma_event_init(&pDevice->null_device.operationCompletionEvent);
if (result != MA_SUCCESS) {
return result;
}
result = ma_semaphore_init(1, &pDevice->null_device.operationSemaphore);
if (result != MA_SUCCESS) {
return result;
}
result = ma_thread_create(&pDevice->null_device.deviceThread, pDevice->pContext->threadPriority, 0, ma_device_thread__null, pDevice, &pDevice->pContext->allocationCallbacks);
if (result != MA_SUCCESS) {
return result;
}
return MA_SUCCESS;
}
static ma_result ma_device_start__null(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
ma_device_do_operation__null(pDevice, MA_DEVICE_OP_START__NULL);
ma_atomic_bool32_set(&pDevice->null_device.isStarted, MA_TRUE);
return MA_SUCCESS;
}
static ma_result ma_device_stop__null(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
ma_device_do_operation__null(pDevice, MA_DEVICE_OP_SUSPEND__NULL);
ma_atomic_bool32_set(&pDevice->null_device.isStarted, MA_FALSE);
return MA_SUCCESS;
}
static ma_bool32 ma_device_is_started__null(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
return ma_atomic_bool32_get(&pDevice->null_device.isStarted);
}
static ma_result ma_device_write__null(ma_device* pDevice, const void* pPCMFrames, ma_uint32 frameCount, ma_uint32* pFramesWritten)
{
ma_result result = MA_SUCCESS;
ma_uint32 totalPCMFramesProcessed;
ma_bool32 wasStartedOnEntry;
if (pFramesWritten != NULL) {
*pFramesWritten = 0;
}
wasStartedOnEntry = ma_device_is_started__null(pDevice);
totalPCMFramesProcessed = 0;
while (totalPCMFramesProcessed < frameCount) {
ma_uint64 targetFrame;
if (pDevice->null_device.currentPeriodFramesRemainingPlayback > 0) {
ma_uint32 framesRemaining = (frameCount - totalPCMFramesProcessed);
ma_uint32 framesToProcess = pDevice->null_device.currentPeriodFramesRemainingPlayback;
if (framesToProcess > framesRemaining) {
framesToProcess = framesRemaining;
}
(void)pPCMFrames;
pDevice->null_device.currentPeriodFramesRemainingPlayback -= framesToProcess;
totalPCMFramesProcessed += framesToProcess;
}
if (pDevice->null_device.currentPeriodFramesRemainingPlayback == 0) {
pDevice->null_device.currentPeriodFramesRemainingPlayback = 0;
if (!ma_device_is_started__null(pDevice) && !wasStartedOnEntry) {
result = ma_device_start__null(pDevice);
if (result != MA_SUCCESS) {
break;
}
}
}
MA_ASSERT(totalPCMFramesProcessed <= frameCount);
if (totalPCMFramesProcessed == frameCount) {
break;
}
targetFrame = pDevice->null_device.lastProcessedFramePlayback;
for (;;) {
ma_uint64 currentFrame;
if (!ma_device_is_started__null(pDevice)) {
break;
}
currentFrame = ma_device_get_total_run_time_in_frames__null(pDevice);
if (currentFrame >= targetFrame) {
break;
}
ma_sleep(10);
}
pDevice->null_device.lastProcessedFramePlayback += pDevice->playback.internalPeriodSizeInFrames;
pDevice->null_device.currentPeriodFramesRemainingPlayback = pDevice->playback.internalPeriodSizeInFrames;
}
if (pFramesWritten != NULL) {
*pFramesWritten = totalPCMFramesProcessed;
}
return result;
}
static ma_result ma_device_read__null(ma_device* pDevice, void* pPCMFrames, ma_uint32 frameCount, ma_uint32* pFramesRead)
{
ma_result result = MA_SUCCESS;
ma_uint32 totalPCMFramesProcessed;
if (pFramesRead != NULL) {
*pFramesRead = 0;
}
totalPCMFramesProcessed = 0;
while (totalPCMFramesProcessed < frameCount) {
ma_uint64 targetFrame;
if (pDevice->null_device.currentPeriodFramesRemainingCapture > 0) {
ma_uint32 bpf = ma_get_bytes_per_frame(pDevice->capture.internalFormat, pDevice->capture.internalChannels);
ma_uint32 framesRemaining = (frameCount - totalPCMFramesProcessed);
ma_uint32 framesToProcess = pDevice->null_device.currentPeriodFramesRemainingCapture;
if (framesToProcess > framesRemaining) {
framesToProcess = framesRemaining;
}
MA_ZERO_MEMORY(ma_offset_ptr(pPCMFrames, totalPCMFramesProcessed*bpf), framesToProcess*bpf);
pDevice->null_device.currentPeriodFramesRemainingCapture -= framesToProcess;
totalPCMFramesProcessed += framesToProcess;
}
if (pDevice->null_device.currentPeriodFramesRemainingCapture == 0) {
pDevice->null_device.currentPeriodFramesRemainingCapture = 0;
}
MA_ASSERT(totalPCMFramesProcessed <= frameCount);
if (totalPCMFramesProcessed == frameCount) {
break;
}
targetFrame = pDevice->null_device.lastProcessedFrameCapture + pDevice->capture.internalPeriodSizeInFrames;
for (;;) {
ma_uint64 currentFrame;
if (!ma_device_is_started__null(pDevice)) {
break;
}
currentFrame = ma_device_get_total_run_time_in_frames__null(pDevice);
if (currentFrame >= targetFrame) {
break;
}
ma_sleep(10);
}
pDevice->null_device.lastProcessedFrameCapture += pDevice->capture.internalPeriodSizeInFrames;
pDevice->null_device.currentPeriodFramesRemainingCapture = pDevice->capture.internalPeriodSizeInFrames;
}
if (pFramesRead != NULL) {
*pFramesRead = totalPCMFramesProcessed;
}
return result;
}
static ma_result ma_context_uninit__null(ma_context* pContext)
{
MA_ASSERT(pContext != NULL);
MA_ASSERT(pContext->backend == ma_backend_null);
(void)pContext;
return MA_SUCCESS;
}
static ma_result ma_context_init__null(ma_context* pContext, const ma_context_config* pConfig, ma_backend_callbacks* pCallbacks)
{
MA_ASSERT(pContext != NULL);
(void)pConfig;
(void)pContext;
pCallbacks->onContextInit = ma_context_init__null;
pCallbacks->onContextUninit = ma_context_uninit__null;
pCallbacks->onContextEnumerateDevices = ma_context_enumerate_devices__null;
pCallbacks->onContextGetDeviceInfo = ma_context_get_device_info__null;
pCallbacks->onDeviceInit = ma_device_init__null;
pCallbacks->onDeviceUninit = ma_device_uninit__null;
pCallbacks->onDeviceStart = ma_device_start__null;
pCallbacks->onDeviceStop = ma_device_stop__null;
pCallbacks->onDeviceRead = ma_device_read__null;
pCallbacks->onDeviceWrite = ma_device_write__null;
pCallbacks->onDeviceDataLoop = NULL;
return MA_SUCCESS;
}
#endif
#if defined(MA_WIN32) && !defined(MA_XBOX)
#if defined(MA_WIN32_DESKTOP) || defined(MA_WIN32_GDK)
#define ma_CoInitializeEx(pContext, pvReserved, dwCoInit) ((pContext->win32.CoInitializeEx) ? ((MA_PFN_CoInitializeEx)pContext->win32.CoInitializeEx)(pvReserved, dwCoInit) : ((MA_PFN_CoInitialize)pContext->win32.CoInitialize)(pvReserved))
#define ma_CoUninitialize(pContext) ((MA_PFN_CoUninitialize)pContext->win32.CoUninitialize)()
#define ma_CoCreateInstance(pContext, rclsid, pUnkOuter, dwClsContext, riid, ppv) ((MA_PFN_CoCreateInstance)pContext->win32.CoCreateInstance)(rclsid, pUnkOuter, dwClsContext, riid, ppv)
#define ma_CoTaskMemFree(pContext, pv) ((MA_PFN_CoTaskMemFree)pContext->win32.CoTaskMemFree)(pv)
#define ma_PropVariantClear(pContext, pvar) ((MA_PFN_PropVariantClear)pContext->win32.PropVariantClear)(pvar)
#else
#define ma_CoInitializeEx(pContext, pvReserved, dwCoInit) CoInitializeEx(pvReserved, dwCoInit)
#define ma_CoUninitialize(pContext) CoUninitialize()
#define ma_CoCreateInstance(pContext, rclsid, pUnkOuter, dwClsContext, riid, ppv) CoCreateInstance(rclsid, pUnkOuter, dwClsContext, riid, ppv)
#define ma_CoTaskMemFree(pContext, pv) CoTaskMemFree(pv)
#define ma_PropVariantClear(pContext, pvar) PropVariantClear(pvar)
#endif
#if !defined(MAXULONG_PTR) && !defined(__WATCOMC__) && !defined(MA_XBOX_NXDK)
typedef size_t DWORD_PTR;
#endif
#if !defined(WAVE_FORMAT_1M08)
#define WAVE_FORMAT_1M08 0x00000001
#define WAVE_FORMAT_1S08 0x00000002
#define WAVE_FORMAT_1M16 0x00000004
#define WAVE_FORMAT_1S16 0x00000008
#define WAVE_FORMAT_2M08 0x00000010
#define WAVE_FORMAT_2S08 0x00000020
#define WAVE_FORMAT_2M16 0x00000040
#define WAVE_FORMAT_2S16 0x00000080
#define WAVE_FORMAT_4M08 0x00000100
#define WAVE_FORMAT_4S08 0x00000200
#define WAVE_FORMAT_4M16 0x00000400
#define WAVE_FORMAT_4S16 0x00000800
#endif
#if !defined(WAVE_FORMAT_44M08)
#define WAVE_FORMAT_44M08 0x00000100
#define WAVE_FORMAT_44S08 0x00000200
#define WAVE_FORMAT_44M16 0x00000400
#define WAVE_FORMAT_44S16 0x00000800
#define WAVE_FORMAT_48M08 0x00001000
#define WAVE_FORMAT_48S08 0x00002000
#define WAVE_FORMAT_48M16 0x00004000
#define WAVE_FORMAT_48S16 0x00008000
#define WAVE_FORMAT_96M08 0x00010000
#define WAVE_FORMAT_96S08 0x00020000
#define WAVE_FORMAT_96M16 0x00040000
#define WAVE_FORMAT_96S16 0x00080000
#endif
#ifndef SPEAKER_FRONT_LEFT
#define SPEAKER_FRONT_LEFT 0x1
#define SPEAKER_FRONT_RIGHT 0x2
#define SPEAKER_FRONT_CENTER 0x4
#define SPEAKER_LOW_FREQUENCY 0x8
#define SPEAKER_BACK_LEFT 0x10
#define SPEAKER_BACK_RIGHT 0x20
#define SPEAKER_FRONT_LEFT_OF_CENTER 0x40
#define SPEAKER_FRONT_RIGHT_OF_CENTER 0x80
#define SPEAKER_BACK_CENTER 0x100
#define SPEAKER_SIDE_LEFT 0x200
#define SPEAKER_SIDE_RIGHT 0x400
#define SPEAKER_TOP_CENTER 0x800
#define SPEAKER_TOP_FRONT_LEFT 0x1000
#define SPEAKER_TOP_FRONT_CENTER 0x2000
#define SPEAKER_TOP_FRONT_RIGHT 0x4000
#define SPEAKER_TOP_BACK_LEFT 0x8000
#define SPEAKER_TOP_BACK_CENTER 0x10000
#define SPEAKER_TOP_BACK_RIGHT 0x20000
#endif
typedef struct
{
WORD wFormatTag;
WORD nChannels;
DWORD nSamplesPerSec;
DWORD nAvgBytesPerSec;
WORD nBlockAlign;
WORD wBitsPerSample;
WORD cbSize;
} MA_WAVEFORMATEX;
typedef struct
{
WORD wFormatTag;
WORD nChannels;
DWORD nSamplesPerSec;
DWORD nAvgBytesPerSec;
WORD nBlockAlign;
WORD wBitsPerSample;
WORD cbSize;
union
{
WORD wValidBitsPerSample;
WORD wSamplesPerBlock;
WORD wReserved;
} Samples;
DWORD dwChannelMask;
GUID SubFormat;
} MA_WAVEFORMATEXTENSIBLE;
#ifndef WAVE_FORMAT_EXTENSIBLE
#define WAVE_FORMAT_EXTENSIBLE 0xFFFE
#endif
#ifndef WAVE_FORMAT_PCM
#define WAVE_FORMAT_PCM 1
#endif
#ifndef WAVE_FORMAT_IEEE_FLOAT
#define WAVE_FORMAT_IEEE_FLOAT 0x0003
#endif
static ma_uint8 ma_channel_id_to_ma__win32(DWORD id)
{
switch (id)
{
case SPEAKER_FRONT_LEFT: return MA_CHANNEL_FRONT_LEFT;
case SPEAKER_FRONT_RIGHT: return MA_CHANNEL_FRONT_RIGHT;
case SPEAKER_FRONT_CENTER: return MA_CHANNEL_FRONT_CENTER;
case SPEAKER_LOW_FREQUENCY: return MA_CHANNEL_LFE;
case SPEAKER_BACK_LEFT: return MA_CHANNEL_BACK_LEFT;
case SPEAKER_BACK_RIGHT: return MA_CHANNEL_BACK_RIGHT;
case SPEAKER_FRONT_LEFT_OF_CENTER: return MA_CHANNEL_FRONT_LEFT_CENTER;
case SPEAKER_FRONT_RIGHT_OF_CENTER: return MA_CHANNEL_FRONT_RIGHT_CENTER;
case SPEAKER_BACK_CENTER: return MA_CHANNEL_BACK_CENTER;
case SPEAKER_SIDE_LEFT: return MA_CHANNEL_SIDE_LEFT;
case SPEAKER_SIDE_RIGHT: return MA_CHANNEL_SIDE_RIGHT;
case SPEAKER_TOP_CENTER: return MA_CHANNEL_TOP_CENTER;
case SPEAKER_TOP_FRONT_LEFT: return MA_CHANNEL_TOP_FRONT_LEFT;
case SPEAKER_TOP_FRONT_CENTER: return MA_CHANNEL_TOP_FRONT_CENTER;
case SPEAKER_TOP_FRONT_RIGHT: return MA_CHANNEL_TOP_FRONT_RIGHT;
case SPEAKER_TOP_BACK_LEFT: return MA_CHANNEL_TOP_BACK_LEFT;
case SPEAKER_TOP_BACK_CENTER: return MA_CHANNEL_TOP_BACK_CENTER;
case SPEAKER_TOP_BACK_RIGHT: return MA_CHANNEL_TOP_BACK_RIGHT;
default: return 0;
}
}
static DWORD ma_channel_id_to_win32(DWORD id)
{
switch (id)
{
case MA_CHANNEL_MONO: return SPEAKER_FRONT_CENTER;
case MA_CHANNEL_FRONT_LEFT: return SPEAKER_FRONT_LEFT;
case MA_CHANNEL_FRONT_RIGHT: return SPEAKER_FRONT_RIGHT;
case MA_CHANNEL_FRONT_CENTER: return SPEAKER_FRONT_CENTER;
case MA_CHANNEL_LFE: return SPEAKER_LOW_FREQUENCY;
case MA_CHANNEL_BACK_LEFT: return SPEAKER_BACK_LEFT;
case MA_CHANNEL_BACK_RIGHT: return SPEAKER_BACK_RIGHT;
case MA_CHANNEL_FRONT_LEFT_CENTER: return SPEAKER_FRONT_LEFT_OF_CENTER;
case MA_CHANNEL_FRONT_RIGHT_CENTER: return SPEAKER_FRONT_RIGHT_OF_CENTER;
case MA_CHANNEL_BACK_CENTER: return SPEAKER_BACK_CENTER;
case MA_CHANNEL_SIDE_LEFT: return SPEAKER_SIDE_LEFT;
case MA_CHANNEL_SIDE_RIGHT: return SPEAKER_SIDE_RIGHT;
case MA_CHANNEL_TOP_CENTER: return SPEAKER_TOP_CENTER;
case MA_CHANNEL_TOP_FRONT_LEFT: return SPEAKER_TOP_FRONT_LEFT;
case MA_CHANNEL_TOP_FRONT_CENTER: return SPEAKER_TOP_FRONT_CENTER;
case MA_CHANNEL_TOP_FRONT_RIGHT: return SPEAKER_TOP_FRONT_RIGHT;
case MA_CHANNEL_TOP_BACK_LEFT: return SPEAKER_TOP_BACK_LEFT;
case MA_CHANNEL_TOP_BACK_CENTER: return SPEAKER_TOP_BACK_CENTER;
case MA_CHANNEL_TOP_BACK_RIGHT: return SPEAKER_TOP_BACK_RIGHT;
default: return 0;
}
}
static DWORD ma_channel_map_to_channel_mask__win32(const ma_channel* pChannelMap, ma_uint32 channels)
{
DWORD dwChannelMask = 0;
ma_uint32 iChannel;
for (iChannel = 0; iChannel < channels; ++iChannel) {
dwChannelMask |= ma_channel_id_to_win32(pChannelMap[iChannel]);
}
return dwChannelMask;
}
static void ma_channel_mask_to_channel_map__win32(DWORD dwChannelMask, ma_uint32 channels, ma_channel* pChannelMap)
{
if (dwChannelMask == 0) {
ma_channel_map_init_standard(ma_standard_channel_map_microsoft, pChannelMap, channels, channels);
} else {
if (channels == 1 && (dwChannelMask & SPEAKER_FRONT_CENTER) != 0) {
pChannelMap[0] = MA_CHANNEL_MONO;
} else {
ma_uint32 iChannel = 0;
ma_uint32 iBit;
for (iBit = 0; iBit < 32 && iChannel < channels; ++iBit) {
DWORD bitValue = (dwChannelMask & (1UL << iBit));
if (bitValue != 0) {
pChannelMap[iChannel] = ma_channel_id_to_ma__win32(bitValue);
iChannel += 1;
}
}
}
}
}
#ifdef __cplusplus
static ma_bool32 ma_is_guid_equal(const void* a, const void* b)
{
return IsEqualGUID(*(const GUID*)a, *(const GUID*)b);
}
#else
#define ma_is_guid_equal(a, b) IsEqualGUID((const GUID*)a, (const GUID*)b)
#endif
static MA_INLINE ma_bool32 ma_is_guid_null(const void* guid)
{
static GUID nullguid = {0x00000000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
return ma_is_guid_equal(guid, &nullguid);
}
static ma_format ma_format_from_WAVEFORMATEX(const MA_WAVEFORMATEX* pWF)
{
MA_ASSERT(pWF != NULL);
if (pWF->wFormatTag == WAVE_FORMAT_EXTENSIBLE) {
const MA_WAVEFORMATEXTENSIBLE* pWFEX = (const MA_WAVEFORMATEXTENSIBLE*)pWF;
if (ma_is_guid_equal(&pWFEX->SubFormat, &MA_GUID_KSDATAFORMAT_SUBTYPE_PCM)) {
if (pWFEX->Samples.wValidBitsPerSample == 32) {
return ma_format_s32;
}
if (pWFEX->Samples.wValidBitsPerSample == 24) {
if (pWFEX->wBitsPerSample == 32) {
return ma_format_s32;
}
if (pWFEX->wBitsPerSample == 24) {
return ma_format_s24;
}
}
if (pWFEX->Samples.wValidBitsPerSample == 16) {
return ma_format_s16;
}
if (pWFEX->Samples.wValidBitsPerSample == 8) {
return ma_format_u8;
}
}
if (ma_is_guid_equal(&pWFEX->SubFormat, &MA_GUID_KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)) {
if (pWFEX->Samples.wValidBitsPerSample == 32) {
return ma_format_f32;
}
}
} else {
if (pWF->wFormatTag == WAVE_FORMAT_PCM) {
if (pWF->wBitsPerSample == 32) {
return ma_format_s32;
}
if (pWF->wBitsPerSample == 24) {
return ma_format_s24;
}
if (pWF->wBitsPerSample == 16) {
return ma_format_s16;
}
if (pWF->wBitsPerSample == 8) {
return ma_format_u8;
}
}
if (pWF->wFormatTag == WAVE_FORMAT_IEEE_FLOAT) {
if (pWF->wBitsPerSample == 32) {
return ma_format_f32;
}
if (pWF->wBitsPerSample == 64) {
}
}
}
return ma_format_unknown;
}
#endif
#ifdef MA_HAS_WASAPI
#if 0
#if defined(_MSC_VER)
#pragma warning(push)
#pragma warning(disable:4091)
#endif
#include <audioclient.h>
#include <mmdeviceapi.h>
#if defined(_MSC_VER)
#pragma warning(pop)
#endif
#endif
static ma_result ma_device_reroute__wasapi(ma_device* pDevice, ma_device_type deviceType);
#define MA_WIN32_WINNT_VISTA 0x0600
#define MA_VER_MINORVERSION 0x01
#define MA_VER_MAJORVERSION 0x02
#define MA_VER_SERVICEPACKMAJOR 0x20
#define MA_VER_GREATER_EQUAL 0x03
typedef struct {
DWORD dwOSVersionInfoSize;
DWORD dwMajorVersion;
DWORD dwMinorVersion;
DWORD dwBuildNumber;
DWORD dwPlatformId;
WCHAR szCSDVersion[128];
WORD wServicePackMajor;
WORD wServicePackMinor;
WORD wSuiteMask;
BYTE wProductType;
BYTE wReserved;
} ma_OSVERSIONINFOEXW;
typedef BOOL (WINAPI * ma_PFNVerifyVersionInfoW) (ma_OSVERSIONINFOEXW* lpVersionInfo, DWORD dwTypeMask, DWORDLONG dwlConditionMask);
typedef ULONGLONG (WINAPI * ma_PFNVerSetConditionMask)(ULONGLONG dwlConditionMask, DWORD dwTypeBitMask, BYTE dwConditionMask);
#ifndef PROPERTYKEY_DEFINED
#define PROPERTYKEY_DEFINED
#ifndef __WATCOMC__
typedef struct
{
GUID fmtid;
DWORD pid;
} PROPERTYKEY;
#endif
#endif
static MA_INLINE void ma_PropVariantInit(MA_PROPVARIANT* pProp)
{
MA_ZERO_OBJECT(pProp);
}
static const PROPERTYKEY MA_PKEY_Device_FriendlyName = {{0xA45C254E, 0xDF1C, 0x4EFD, {0x80, 0x20, 0x67, 0xD1, 0x46, 0xA8, 0x50, 0xE0}}, 14};
static const PROPERTYKEY MA_PKEY_AudioEngine_DeviceFormat = {{0xF19F064D, 0x82C, 0x4E27, {0xBC, 0x73, 0x68, 0x82, 0xA1, 0xBB, 0x8E, 0x4C}}, 0};
static const IID MA_IID_IUnknown = {0x00000000, 0x0000, 0x0000, {0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46}};
#if !defined(MA_WIN32_DESKTOP) && !defined(MA_WIN32_GDK)
static const IID MA_IID_IAgileObject = {0x94EA2B94, 0xE9CC, 0x49E0, {0xC0, 0xFF, 0xEE, 0x64, 0xCA, 0x8F, 0x5B, 0x90}};
#endif
static const IID MA_IID_IAudioClient = {0x1CB9AD4C, 0xDBFA, 0x4C32, {0xB1, 0x78, 0xC2, 0xF5, 0x68, 0xA7, 0x03, 0xB2}};
static const IID MA_IID_IAudioClient2 = {0x726778CD, 0xF60A, 0x4EDA, {0x82, 0xDE, 0xE4, 0x76, 0x10, 0xCD, 0x78, 0xAA}};
static const IID MA_IID_IAudioClient3 = {0x7ED4EE07, 0x8E67, 0x4CD4, {0x8C, 0x1A, 0x2B, 0x7A, 0x59, 0x87, 0xAD, 0x42}};
static const IID MA_IID_IAudioRenderClient = {0xF294ACFC, 0x3146, 0x4483, {0xA7, 0xBF, 0xAD, 0xDC, 0xA7, 0xC2, 0x60, 0xE2}};
static const IID MA_IID_IAudioCaptureClient = {0xC8ADBD64, 0xE71E, 0x48A0, {0xA4, 0xDE, 0x18, 0x5C, 0x39, 0x5C, 0xD3, 0x17}};
static const IID MA_IID_IMMNotificationClient = {0x7991EEC9, 0x7E89, 0x4D85, {0x83, 0x90, 0x6C, 0x70, 0x3C, 0xEC, 0x60, 0xC0}};
#if !defined(MA_WIN32_DESKTOP) && !defined(MA_WIN32_GDK)
static const IID MA_IID_DEVINTERFACE_AUDIO_RENDER = {0xE6327CAD, 0xDCEC, 0x4949, {0xAE, 0x8A, 0x99, 0x1E, 0x97, 0x6A, 0x79, 0xD2}};
static const IID MA_IID_DEVINTERFACE_AUDIO_CAPTURE = {0x2EEF81BE, 0x33FA, 0x4800, {0x96, 0x70, 0x1C, 0xD4, 0x74, 0x97, 0x2C, 0x3F}};
static const IID MA_IID_IActivateAudioInterfaceCompletionHandler = {0x41D949AB, 0x9862, 0x444A, {0x80, 0xF6, 0xC2, 0x61, 0x33, 0x4D, 0xA5, 0xEB}};
#endif
static const IID MA_CLSID_MMDeviceEnumerator = {0xBCDE0395, 0xE52F, 0x467C, {0x8E, 0x3D, 0xC4, 0x57, 0x92, 0x91, 0x69, 0x2E}};
static const IID MA_IID_IMMDeviceEnumerator = {0xA95664D2, 0x9614, 0x4F35, {0xA7, 0x46, 0xDE, 0x8D, 0xB6, 0x36, 0x17, 0xE6}};
#if defined(MA_WIN32_DESKTOP) || defined(MA_WIN32_GDK)
#define MA_MM_DEVICE_STATE_ACTIVE 1
#define MA_MM_DEVICE_STATE_DISABLED 2
#define MA_MM_DEVICE_STATE_NOTPRESENT 4
#define MA_MM_DEVICE_STATE_UNPLUGGED 8
typedef struct ma_IMMDeviceEnumerator ma_IMMDeviceEnumerator;
typedef struct ma_IMMDeviceCollection ma_IMMDeviceCollection;
typedef struct ma_IMMDevice ma_IMMDevice;
#else
typedef struct ma_IActivateAudioInterfaceCompletionHandler ma_IActivateAudioInterfaceCompletionHandler;
typedef struct ma_IActivateAudioInterfaceAsyncOperation ma_IActivateAudioInterfaceAsyncOperation;
#endif
typedef struct ma_IPropertyStore ma_IPropertyStore;
typedef struct ma_IAudioClient ma_IAudioClient;
typedef struct ma_IAudioClient2 ma_IAudioClient2;
typedef struct ma_IAudioClient3 ma_IAudioClient3;
typedef struct ma_IAudioRenderClient ma_IAudioRenderClient;
typedef struct ma_IAudioCaptureClient ma_IAudioCaptureClient;
typedef ma_int64 MA_REFERENCE_TIME;
#define MA_AUDCLNT_STREAMFLAGS_CROSSPROCESS 0x00010000
#define MA_AUDCLNT_STREAMFLAGS_LOOPBACK 0x00020000
#define MA_AUDCLNT_STREAMFLAGS_EVENTCALLBACK 0x00040000
#define MA_AUDCLNT_STREAMFLAGS_NOPERSIST 0x00080000
#define MA_AUDCLNT_STREAMFLAGS_RATEADJUST 0x00100000
#define MA_AUDCLNT_STREAMFLAGS_SRC_DEFAULT_QUALITY 0x08000000
#define MA_AUDCLNT_STREAMFLAGS_AUTOCONVERTPCM 0x80000000
#define MA_AUDCLNT_SESSIONFLAGS_EXPIREWHENUNOWNED 0x10000000
#define MA_AUDCLNT_SESSIONFLAGS_DISPLAY_HIDE 0x20000000
#define MA_AUDCLNT_SESSIONFLAGS_DISPLAY_HIDEWHENEXPIRED 0x40000000
#define MA_AUDCLNT_BUFFERFLAGS_DATA_DISCONTINUITY 1
#define MA_AUDCLNT_BUFFERFLAGS_SILENT 2
#define MA_AUDCLNT_BUFFERFLAGS_TIMESTAMP_ERROR 4
typedef enum
{
ma_eRender = 0,
ma_eCapture = 1,
ma_eAll = 2
} ma_EDataFlow;
typedef enum
{
ma_eConsole = 0,
ma_eMultimedia = 1,
ma_eCommunications = 2
} ma_ERole;
typedef enum
{
MA_AUDCLNT_SHAREMODE_SHARED,
MA_AUDCLNT_SHAREMODE_EXCLUSIVE
} MA_AUDCLNT_SHAREMODE;
typedef enum
{
MA_AudioCategory_Other = 0
} MA_AUDIO_STREAM_CATEGORY;
typedef enum
{
MA_AUDCLNT_STREAMOPTIONS_NONE,
MA_AUDCLNT_STREAMOPTIONS_RAW,
MA_AUDCLNT_STREAMOPTIONS_MATCH_FORMAT,
MA_AUDCLNT_STREAMOPTIONS_AMBISONICS,
MA_AUDCLNT_STREAMOPTIONS_POST_VOLUME_LOOPBACK
} MA_AUDCLNT_STREAMOPTIONS;
typedef struct
{
ma_uint32 cbSize;
BOOL bIsOffload;
MA_AUDIO_STREAM_CATEGORY eCategory;
MA_AUDCLNT_STREAMOPTIONS Options;
} ma_AudioClientProperties;
typedef struct
{
HRESULT (STDMETHODCALLTYPE * QueryInterface)(ma_IUnknown* pThis, const IID* const riid, void** ppObject);
ULONG (STDMETHODCALLTYPE * AddRef) (ma_IUnknown* pThis);
ULONG (STDMETHODCALLTYPE * Release) (ma_IUnknown* pThis);
} ma_IUnknownVtbl;
struct ma_IUnknown
{
ma_IUnknownVtbl* lpVtbl;
};
static MA_INLINE HRESULT ma_IUnknown_QueryInterface(ma_IUnknown* pThis, const IID* const riid, void** ppObject) { return pThis->lpVtbl->QueryInterface(pThis, riid, ppObject); }
static MA_INLINE ULONG ma_IUnknown_AddRef(ma_IUnknown* pThis) { return pThis->lpVtbl->AddRef(pThis); }
static MA_INLINE ULONG ma_IUnknown_Release(ma_IUnknown* pThis) { return pThis->lpVtbl->Release(pThis); }
#if defined(MA_WIN32_DESKTOP) || defined(MA_WIN32_GDK)
typedef struct
{
HRESULT (STDMETHODCALLTYPE * QueryInterface)(ma_IMMNotificationClient* pThis, const IID* const riid, void** ppObject);
ULONG (STDMETHODCALLTYPE * AddRef) (ma_IMMNotificationClient* pThis);
ULONG (STDMETHODCALLTYPE * Release) (ma_IMMNotificationClient* pThis);
HRESULT (STDMETHODCALLTYPE * OnDeviceStateChanged) (ma_IMMNotificationClient* pThis, const WCHAR* pDeviceID, DWORD dwNewState);
HRESULT (STDMETHODCALLTYPE * OnDeviceAdded) (ma_IMMNotificationClient* pThis, const WCHAR* pDeviceID);
HRESULT (STDMETHODCALLTYPE * OnDeviceRemoved) (ma_IMMNotificationClient* pThis, const WCHAR* pDeviceID);
HRESULT (STDMETHODCALLTYPE * OnDefaultDeviceChanged)(ma_IMMNotificationClient* pThis, ma_EDataFlow dataFlow, ma_ERole role, const WCHAR* pDefaultDeviceID);
HRESULT (STDMETHODCALLTYPE * OnPropertyValueChanged)(ma_IMMNotificationClient* pThis, const WCHAR* pDeviceID, const PROPERTYKEY key);
} ma_IMMNotificationClientVtbl;
typedef struct
{
HRESULT (STDMETHODCALLTYPE * QueryInterface)(ma_IMMDeviceEnumerator* pThis, const IID* const riid, void** ppObject);
ULONG (STDMETHODCALLTYPE * AddRef) (ma_IMMDeviceEnumerator* pThis);
ULONG (STDMETHODCALLTYPE * Release) (ma_IMMDeviceEnumerator* pThis);
HRESULT (STDMETHODCALLTYPE * EnumAudioEndpoints) (ma_IMMDeviceEnumerator* pThis, ma_EDataFlow dataFlow, DWORD dwStateMask, ma_IMMDeviceCollection** ppDevices);
HRESULT (STDMETHODCALLTYPE * GetDefaultAudioEndpoint) (ma_IMMDeviceEnumerator* pThis, ma_EDataFlow dataFlow, ma_ERole role, ma_IMMDevice** ppEndpoint);
HRESULT (STDMETHODCALLTYPE * GetDevice) (ma_IMMDeviceEnumerator* pThis, const WCHAR* pID, ma_IMMDevice** ppDevice);
HRESULT (STDMETHODCALLTYPE * RegisterEndpointNotificationCallback) (ma_IMMDeviceEnumerator* pThis, ma_IMMNotificationClient* pClient);
HRESULT (STDMETHODCALLTYPE * UnregisterEndpointNotificationCallback)(ma_IMMDeviceEnumerator* pThis, ma_IMMNotificationClient* pClient);
} ma_IMMDeviceEnumeratorVtbl;
struct ma_IMMDeviceEnumerator
{
ma_IMMDeviceEnumeratorVtbl* lpVtbl;
};
static MA_INLINE HRESULT ma_IMMDeviceEnumerator_QueryInterface(ma_IMMDeviceEnumerator* pThis, const IID* const riid, void** ppObject) { return pThis->lpVtbl->QueryInterface(pThis, riid, ppObject); }
static MA_INLINE ULONG ma_IMMDeviceEnumerator_AddRef(ma_IMMDeviceEnumerator* pThis) { return pThis->lpVtbl->AddRef(pThis); }
static MA_INLINE ULONG ma_IMMDeviceEnumerator_Release(ma_IMMDeviceEnumerator* pThis) { return pThis->lpVtbl->Release(pThis); }
static MA_INLINE HRESULT ma_IMMDeviceEnumerator_EnumAudioEndpoints(ma_IMMDeviceEnumerator* pThis, ma_EDataFlow dataFlow, DWORD dwStateMask, ma_IMMDeviceCollection** ppDevices) { return pThis->lpVtbl->EnumAudioEndpoints(pThis, dataFlow, dwStateMask, ppDevices); }
static MA_INLINE HRESULT ma_IMMDeviceEnumerator_GetDefaultAudioEndpoint(ma_IMMDeviceEnumerator* pThis, ma_EDataFlow dataFlow, ma_ERole role, ma_IMMDevice** ppEndpoint) { return pThis->lpVtbl->GetDefaultAudioEndpoint(pThis, dataFlow, role, ppEndpoint); }
static MA_INLINE HRESULT ma_IMMDeviceEnumerator_GetDevice(ma_IMMDeviceEnumerator* pThis, const WCHAR* pID, ma_IMMDevice** ppDevice) { return pThis->lpVtbl->GetDevice(pThis, pID, ppDevice); }
static MA_INLINE HRESULT ma_IMMDeviceEnumerator_RegisterEndpointNotificationCallback(ma_IMMDeviceEnumerator* pThis, ma_IMMNotificationClient* pClient) { return pThis->lpVtbl->RegisterEndpointNotificationCallback(pThis, pClient); }
static MA_INLINE HRESULT ma_IMMDeviceEnumerator_UnregisterEndpointNotificationCallback(ma_IMMDeviceEnumerator* pThis, ma_IMMNotificationClient* pClient) { return pThis->lpVtbl->UnregisterEndpointNotificationCallback(pThis, pClient); }
typedef struct
{
HRESULT (STDMETHODCALLTYPE * QueryInterface)(ma_IMMDeviceCollection* pThis, const IID* const riid, void** ppObject);
ULONG (STDMETHODCALLTYPE * AddRef) (ma_IMMDeviceCollection* pThis);
ULONG (STDMETHODCALLTYPE * Release) (ma_IMMDeviceCollection* pThis);
HRESULT (STDMETHODCALLTYPE * GetCount)(ma_IMMDeviceCollection* pThis, UINT* pDevices);
HRESULT (STDMETHODCALLTYPE * Item) (ma_IMMDeviceCollection* pThis, UINT nDevice, ma_IMMDevice** ppDevice);
} ma_IMMDeviceCollectionVtbl;
struct ma_IMMDeviceCollection
{
ma_IMMDeviceCollectionVtbl* lpVtbl;
};
static MA_INLINE HRESULT ma_IMMDeviceCollection_QueryInterface(ma_IMMDeviceCollection* pThis, const IID* const riid, void** ppObject) { return pThis->lpVtbl->QueryInterface(pThis, riid, ppObject); }
static MA_INLINE ULONG ma_IMMDeviceCollection_AddRef(ma_IMMDeviceCollection* pThis) { return pThis->lpVtbl->AddRef(pThis); }
static MA_INLINE ULONG ma_IMMDeviceCollection_Release(ma_IMMDeviceCollection* pThis) { return pThis->lpVtbl->Release(pThis); }
static MA_INLINE HRESULT ma_IMMDeviceCollection_GetCount(ma_IMMDeviceCollection* pThis, UINT* pDevices) { return pThis->lpVtbl->GetCount(pThis, pDevices); }
static MA_INLINE HRESULT ma_IMMDeviceCollection_Item(ma_IMMDeviceCollection* pThis, UINT nDevice, ma_IMMDevice** ppDevice) { return pThis->lpVtbl->Item(pThis, nDevice, ppDevice); }
typedef struct
{
HRESULT (STDMETHODCALLTYPE * QueryInterface)(ma_IMMDevice* pThis, const IID* const riid, void** ppObject);
ULONG (STDMETHODCALLTYPE * AddRef) (ma_IMMDevice* pThis);
ULONG (STDMETHODCALLTYPE * Release) (ma_IMMDevice* pThis);
HRESULT (STDMETHODCALLTYPE * Activate) (ma_IMMDevice* pThis, const IID* const iid, DWORD dwClsCtx, MA_PROPVARIANT* pActivationParams, void** ppInterface);
HRESULT (STDMETHODCALLTYPE * OpenPropertyStore)(ma_IMMDevice* pThis, DWORD stgmAccess, ma_IPropertyStore** ppProperties);
HRESULT (STDMETHODCALLTYPE * GetId) (ma_IMMDevice* pThis, WCHAR** pID);
HRESULT (STDMETHODCALLTYPE * GetState) (ma_IMMDevice* pThis, DWORD *pState);
} ma_IMMDeviceVtbl;
struct ma_IMMDevice
{
ma_IMMDeviceVtbl* lpVtbl;
};
static MA_INLINE HRESULT ma_IMMDevice_QueryInterface(ma_IMMDevice* pThis, const IID* const riid, void** ppObject) { return pThis->lpVtbl->QueryInterface(pThis, riid, ppObject); }
static MA_INLINE ULONG ma_IMMDevice_AddRef(ma_IMMDevice* pThis) { return pThis->lpVtbl->AddRef(pThis); }
static MA_INLINE ULONG ma_IMMDevice_Release(ma_IMMDevice* pThis) { return pThis->lpVtbl->Release(pThis); }
static MA_INLINE HRESULT ma_IMMDevice_Activate(ma_IMMDevice* pThis, const IID* const iid, DWORD dwClsCtx, MA_PROPVARIANT* pActivationParams, void** ppInterface) { return pThis->lpVtbl->Activate(pThis, iid, dwClsCtx, pActivationParams, ppInterface); }
static MA_INLINE HRESULT ma_IMMDevice_OpenPropertyStore(ma_IMMDevice* pThis, DWORD stgmAccess, ma_IPropertyStore** ppProperties) { return pThis->lpVtbl->OpenPropertyStore(pThis, stgmAccess, ppProperties); }
static MA_INLINE HRESULT ma_IMMDevice_GetId(ma_IMMDevice* pThis, WCHAR** pID) { return pThis->lpVtbl->GetId(pThis, pID); }
static MA_INLINE HRESULT ma_IMMDevice_GetState(ma_IMMDevice* pThis, DWORD *pState) { return pThis->lpVtbl->GetState(pThis, pState); }
#else
typedef struct
{
HRESULT (STDMETHODCALLTYPE * QueryInterface)(ma_IActivateAudioInterfaceAsyncOperation* pThis, const IID* const riid, void** ppObject);
ULONG (STDMETHODCALLTYPE * AddRef) (ma_IActivateAudioInterfaceAsyncOperation* pThis);
ULONG (STDMETHODCALLTYPE * Release) (ma_IActivateAudioInterfaceAsyncOperation* pThis);
HRESULT (STDMETHODCALLTYPE * GetActivateResult)(ma_IActivateAudioInterfaceAsyncOperation* pThis, HRESULT *pActivateResult, ma_IUnknown** ppActivatedInterface);
} ma_IActivateAudioInterfaceAsyncOperationVtbl;
struct ma_IActivateAudioInterfaceAsyncOperation
{
ma_IActivateAudioInterfaceAsyncOperationVtbl* lpVtbl;
};
static MA_INLINE HRESULT ma_IActivateAudioInterfaceAsyncOperation_QueryInterface(ma_IActivateAudioInterfaceAsyncOperation* pThis, const IID* const riid, void** ppObject) { return pThis->lpVtbl->QueryInterface(pThis, riid, ppObject); }
static MA_INLINE ULONG ma_IActivateAudioInterfaceAsyncOperation_AddRef(ma_IActivateAudioInterfaceAsyncOperation* pThis) { return pThis->lpVtbl->AddRef(pThis); }
static MA_INLINE ULONG ma_IActivateAudioInterfaceAsyncOperation_Release(ma_IActivateAudioInterfaceAsyncOperation* pThis) { return pThis->lpVtbl->Release(pThis); }
static MA_INLINE HRESULT ma_IActivateAudioInterfaceAsyncOperation_GetActivateResult(ma_IActivateAudioInterfaceAsyncOperation* pThis, HRESULT *pActivateResult, ma_IUnknown** ppActivatedInterface) { return pThis->lpVtbl->GetActivateResult(pThis, pActivateResult, ppActivatedInterface); }
#endif
typedef struct
{
HRESULT (STDMETHODCALLTYPE * QueryInterface)(ma_IPropertyStore* pThis, const IID* const riid, void** ppObject);
ULONG (STDMETHODCALLTYPE * AddRef) (ma_IPropertyStore* pThis);
ULONG (STDMETHODCALLTYPE * Release) (ma_IPropertyStore* pThis);
HRESULT (STDMETHODCALLTYPE * GetCount)(ma_IPropertyStore* pThis, DWORD* pPropCount);
HRESULT (STDMETHODCALLTYPE * GetAt) (ma_IPropertyStore* pThis, DWORD propIndex, PROPERTYKEY* pPropKey);
HRESULT (STDMETHODCALLTYPE * GetValue)(ma_IPropertyStore* pThis, const PROPERTYKEY* const pKey, MA_PROPVARIANT* pPropVar);
HRESULT (STDMETHODCALLTYPE * SetValue)(ma_IPropertyStore* pThis, const PROPERTYKEY* const pKey, const MA_PROPVARIANT* const pPropVar);
HRESULT (STDMETHODCALLTYPE * Commit) (ma_IPropertyStore* pThis);
} ma_IPropertyStoreVtbl;
struct ma_IPropertyStore
{
ma_IPropertyStoreVtbl* lpVtbl;
};
static MA_INLINE HRESULT ma_IPropertyStore_QueryInterface(ma_IPropertyStore* pThis, const IID* const riid, void** ppObject) { return pThis->lpVtbl->QueryInterface(pThis, riid, ppObject); }
static MA_INLINE ULONG ma_IPropertyStore_AddRef(ma_IPropertyStore* pThis) { return pThis->lpVtbl->AddRef(pThis); }
static MA_INLINE ULONG ma_IPropertyStore_Release(ma_IPropertyStore* pThis) { return pThis->lpVtbl->Release(pThis); }
static MA_INLINE HRESULT ma_IPropertyStore_GetCount(ma_IPropertyStore* pThis, DWORD* pPropCount) { return pThis->lpVtbl->GetCount(pThis, pPropCount); }
static MA_INLINE HRESULT ma_IPropertyStore_GetAt(ma_IPropertyStore* pThis, DWORD propIndex, PROPERTYKEY* pPropKey) { return pThis->lpVtbl->GetAt(pThis, propIndex, pPropKey); }
static MA_INLINE HRESULT ma_IPropertyStore_GetValue(ma_IPropertyStore* pThis, const PROPERTYKEY* const pKey, MA_PROPVARIANT* pPropVar) { return pThis->lpVtbl->GetValue(pThis, pKey, pPropVar); }
static MA_INLINE HRESULT ma_IPropertyStore_SetValue(ma_IPropertyStore* pThis, const PROPERTYKEY* const pKey, const MA_PROPVARIANT* const pPropVar) { return pThis->lpVtbl->SetValue(pThis, pKey, pPropVar); }
static MA_INLINE HRESULT ma_IPropertyStore_Commit(ma_IPropertyStore* pThis) { return pThis->lpVtbl->Commit(pThis); }
typedef struct
{
HRESULT (STDMETHODCALLTYPE * QueryInterface)(ma_IAudioClient* pThis, const IID* const riid, void** ppObject);
ULONG (STDMETHODCALLTYPE * AddRef) (ma_IAudioClient* pThis);
ULONG (STDMETHODCALLTYPE * Release) (ma_IAudioClient* pThis);
HRESULT (STDMETHODCALLTYPE * Initialize) (ma_IAudioClient* pThis, MA_AUDCLNT_SHAREMODE shareMode, DWORD streamFlags, MA_REFERENCE_TIME bufferDuration, MA_REFERENCE_TIME periodicity, const MA_WAVEFORMATEX* pFormat, const GUID* pAudioSessionGuid);
HRESULT (STDMETHODCALLTYPE * GetBufferSize) (ma_IAudioClient* pThis, ma_uint32* pNumBufferFrames);
HRESULT (STDMETHODCALLTYPE * GetStreamLatency) (ma_IAudioClient* pThis, MA_REFERENCE_TIME* pLatency);
HRESULT (STDMETHODCALLTYPE * GetCurrentPadding)(ma_IAudioClient* pThis, ma_uint32* pNumPaddingFrames);
HRESULT (STDMETHODCALLTYPE * IsFormatSupported)(ma_IAudioClient* pThis, MA_AUDCLNT_SHAREMODE shareMode, const MA_WAVEFORMATEX* pFormat, MA_WAVEFORMATEX** ppClosestMatch);
HRESULT (STDMETHODCALLTYPE * GetMixFormat) (ma_IAudioClient* pThis, MA_WAVEFORMATEX** ppDeviceFormat);
HRESULT (STDMETHODCALLTYPE * GetDevicePeriod) (ma_IAudioClient* pThis, MA_REFERENCE_TIME* pDefaultDevicePeriod, MA_REFERENCE_TIME* pMinimumDevicePeriod);
HRESULT (STDMETHODCALLTYPE * Start) (ma_IAudioClient* pThis);
HRESULT (STDMETHODCALLTYPE * Stop) (ma_IAudioClient* pThis);
HRESULT (STDMETHODCALLTYPE * Reset) (ma_IAudioClient* pThis);
HRESULT (STDMETHODCALLTYPE * SetEventHandle) (ma_IAudioClient* pThis, HANDLE eventHandle);
HRESULT (STDMETHODCALLTYPE * GetService) (ma_IAudioClient* pThis, const IID* const riid, void** pp);
} ma_IAudioClientVtbl;
struct ma_IAudioClient
{
ma_IAudioClientVtbl* lpVtbl;
};
static MA_INLINE HRESULT ma_IAudioClient_QueryInterface(ma_IAudioClient* pThis, const IID* const riid, void** ppObject) { return pThis->lpVtbl->QueryInterface(pThis, riid, ppObject); }
static MA_INLINE ULONG ma_IAudioClient_AddRef(ma_IAudioClient* pThis) { return pThis->lpVtbl->AddRef(pThis); }
static MA_INLINE ULONG ma_IAudioClient_Release(ma_IAudioClient* pThis) { return pThis->lpVtbl->Release(pThis); }
static MA_INLINE HRESULT ma_IAudioClient_Initialize(ma_IAudioClient* pThis, MA_AUDCLNT_SHAREMODE shareMode, DWORD streamFlags, MA_REFERENCE_TIME bufferDuration, MA_REFERENCE_TIME periodicity, const MA_WAVEFORMATEX* pFormat, const GUID* pAudioSessionGuid) { return pThis->lpVtbl->Initialize(pThis, shareMode, streamFlags, bufferDuration, periodicity, pFormat, pAudioSessionGuid); }
static MA_INLINE HRESULT ma_IAudioClient_GetBufferSize(ma_IAudioClient* pThis, ma_uint32* pNumBufferFrames) { return pThis->lpVtbl->GetBufferSize(pThis, pNumBufferFrames); }
static MA_INLINE HRESULT ma_IAudioClient_GetStreamLatency(ma_IAudioClient* pThis, MA_REFERENCE_TIME* pLatency) { return pThis->lpVtbl->GetStreamLatency(pThis, pLatency); }
static MA_INLINE HRESULT ma_IAudioClient_GetCurrentPadding(ma_IAudioClient* pThis, ma_uint32* pNumPaddingFrames) { return pThis->lpVtbl->GetCurrentPadding(pThis, pNumPaddingFrames); }
static MA_INLINE HRESULT ma_IAudioClient_IsFormatSupported(ma_IAudioClient* pThis, MA_AUDCLNT_SHAREMODE shareMode, const MA_WAVEFORMATEX* pFormat, MA_WAVEFORMATEX** ppClosestMatch) { return pThis->lpVtbl->IsFormatSupported(pThis, shareMode, pFormat, ppClosestMatch); }
static MA_INLINE HRESULT ma_IAudioClient_GetMixFormat(ma_IAudioClient* pThis, MA_WAVEFORMATEX** ppDeviceFormat) { return pThis->lpVtbl->GetMixFormat(pThis, ppDeviceFormat); }
static MA_INLINE HRESULT ma_IAudioClient_GetDevicePeriod(ma_IAudioClient* pThis, MA_REFERENCE_TIME* pDefaultDevicePeriod, MA_REFERENCE_TIME* pMinimumDevicePeriod) { return pThis->lpVtbl->GetDevicePeriod(pThis, pDefaultDevicePeriod, pMinimumDevicePeriod); }
static MA_INLINE HRESULT ma_IAudioClient_Start(ma_IAudioClient* pThis) { return pThis->lpVtbl->Start(pThis); }
static MA_INLINE HRESULT ma_IAudioClient_Stop(ma_IAudioClient* pThis) { return pThis->lpVtbl->Stop(pThis); }
static MA_INLINE HRESULT ma_IAudioClient_Reset(ma_IAudioClient* pThis) { return pThis->lpVtbl->Reset(pThis); }
static MA_INLINE HRESULT ma_IAudioClient_SetEventHandle(ma_IAudioClient* pThis, HANDLE eventHandle) { return pThis->lpVtbl->SetEventHandle(pThis, eventHandle); }
static MA_INLINE HRESULT ma_IAudioClient_GetService(ma_IAudioClient* pThis, const IID* const riid, void** pp) { return pThis->lpVtbl->GetService(pThis, riid, pp); }
typedef struct
{
HRESULT (STDMETHODCALLTYPE * QueryInterface)(ma_IAudioClient2* pThis, const IID* const riid, void** ppObject);
ULONG (STDMETHODCALLTYPE * AddRef) (ma_IAudioClient2* pThis);
ULONG (STDMETHODCALLTYPE * Release) (ma_IAudioClient2* pThis);
HRESULT (STDMETHODCALLTYPE * Initialize) (ma_IAudioClient2* pThis, MA_AUDCLNT_SHAREMODE shareMode, DWORD streamFlags, MA_REFERENCE_TIME bufferDuration, MA_REFERENCE_TIME periodicity, const MA_WAVEFORMATEX* pFormat, const GUID* pAudioSessionGuid);
HRESULT (STDMETHODCALLTYPE * GetBufferSize) (ma_IAudioClient2* pThis, ma_uint32* pNumBufferFrames);
HRESULT (STDMETHODCALLTYPE * GetStreamLatency) (ma_IAudioClient2* pThis, MA_REFERENCE_TIME* pLatency);
HRESULT (STDMETHODCALLTYPE * GetCurrentPadding)(ma_IAudioClient2* pThis, ma_uint32* pNumPaddingFrames);
HRESULT (STDMETHODCALLTYPE * IsFormatSupported)(ma_IAudioClient2* pThis, MA_AUDCLNT_SHAREMODE shareMode, const MA_WAVEFORMATEX* pFormat, MA_WAVEFORMATEX** ppClosestMatch);
HRESULT (STDMETHODCALLTYPE * GetMixFormat) (ma_IAudioClient2* pThis, MA_WAVEFORMATEX** ppDeviceFormat);
HRESULT (STDMETHODCALLTYPE * GetDevicePeriod) (ma_IAudioClient2* pThis, MA_REFERENCE_TIME* pDefaultDevicePeriod, MA_REFERENCE_TIME* pMinimumDevicePeriod);
HRESULT (STDMETHODCALLTYPE * Start) (ma_IAudioClient2* pThis);
HRESULT (STDMETHODCALLTYPE * Stop) (ma_IAudioClient2* pThis);
HRESULT (STDMETHODCALLTYPE * Reset) (ma_IAudioClient2* pThis);
HRESULT (STDMETHODCALLTYPE * SetEventHandle) (ma_IAudioClient2* pThis, HANDLE eventHandle);
HRESULT (STDMETHODCALLTYPE * GetService) (ma_IAudioClient2* pThis, const IID* const riid, void** pp);
HRESULT (STDMETHODCALLTYPE * IsOffloadCapable) (ma_IAudioClient2* pThis, MA_AUDIO_STREAM_CATEGORY category, BOOL* pOffloadCapable);
HRESULT (STDMETHODCALLTYPE * SetClientProperties)(ma_IAudioClient2* pThis, const ma_AudioClientProperties* pProperties);
HRESULT (STDMETHODCALLTYPE * GetBufferSizeLimits)(ma_IAudioClient2* pThis, const MA_WAVEFORMATEX* pFormat, BOOL eventDriven, MA_REFERENCE_TIME* pMinBufferDuration, MA_REFERENCE_TIME* pMaxBufferDuration);
} ma_IAudioClient2Vtbl;
struct ma_IAudioClient2
{
ma_IAudioClient2Vtbl* lpVtbl;
};
static MA_INLINE HRESULT ma_IAudioClient2_QueryInterface(ma_IAudioClient2* pThis, const IID* const riid, void** ppObject) { return pThis->lpVtbl->QueryInterface(pThis, riid, ppObject); }
static MA_INLINE ULONG ma_IAudioClient2_AddRef(ma_IAudioClient2* pThis) { return pThis->lpVtbl->AddRef(pThis); }
static MA_INLINE ULONG ma_IAudioClient2_Release(ma_IAudioClient2* pThis) { return pThis->lpVtbl->Release(pThis); }
static MA_INLINE HRESULT ma_IAudioClient2_Initialize(ma_IAudioClient2* pThis, MA_AUDCLNT_SHAREMODE shareMode, DWORD streamFlags, MA_REFERENCE_TIME bufferDuration, MA_REFERENCE_TIME periodicity, const MA_WAVEFORMATEX* pFormat, const GUID* pAudioSessionGuid) { return pThis->lpVtbl->Initialize(pThis, shareMode, streamFlags, bufferDuration, periodicity, pFormat, pAudioSessionGuid); }
static MA_INLINE HRESULT ma_IAudioClient2_GetBufferSize(ma_IAudioClient2* pThis, ma_uint32* pNumBufferFrames) { return pThis->lpVtbl->GetBufferSize(pThis, pNumBufferFrames); }
static MA_INLINE HRESULT ma_IAudioClient2_GetStreamLatency(ma_IAudioClient2* pThis, MA_REFERENCE_TIME* pLatency) { return pThis->lpVtbl->GetStreamLatency(pThis, pLatency); }
static MA_INLINE HRESULT ma_IAudioClient2_GetCurrentPadding(ma_IAudioClient2* pThis, ma_uint32* pNumPaddingFrames) { return pThis->lpVtbl->GetCurrentPadding(pThis, pNumPaddingFrames); }
static MA_INLINE HRESULT ma_IAudioClient2_IsFormatSupported(ma_IAudioClient2* pThis, MA_AUDCLNT_SHAREMODE shareMode, const MA_WAVEFORMATEX* pFormat, MA_WAVEFORMATEX** ppClosestMatch) { return pThis->lpVtbl->IsFormatSupported(pThis, shareMode, pFormat, ppClosestMatch); }
static MA_INLINE HRESULT ma_IAudioClient2_GetMixFormat(ma_IAudioClient2* pThis, MA_WAVEFORMATEX** ppDeviceFormat) { return pThis->lpVtbl->GetMixFormat(pThis, ppDeviceFormat); }
static MA_INLINE HRESULT ma_IAudioClient2_GetDevicePeriod(ma_IAudioClient2* pThis, MA_REFERENCE_TIME* pDefaultDevicePeriod, MA_REFERENCE_TIME* pMinimumDevicePeriod) { return pThis->lpVtbl->GetDevicePeriod(pThis, pDefaultDevicePeriod, pMinimumDevicePeriod); }
static MA_INLINE HRESULT ma_IAudioClient2_Start(ma_IAudioClient2* pThis) { return pThis->lpVtbl->Start(pThis); }
static MA_INLINE HRESULT ma_IAudioClient2_Stop(ma_IAudioClient2* pThis) { return pThis->lpVtbl->Stop(pThis); }
static MA_INLINE HRESULT ma_IAudioClient2_Reset(ma_IAudioClient2* pThis) { return pThis->lpVtbl->Reset(pThis); }
static MA_INLINE HRESULT ma_IAudioClient2_SetEventHandle(ma_IAudioClient2* pThis, HANDLE eventHandle) { return pThis->lpVtbl->SetEventHandle(pThis, eventHandle); }
static MA_INLINE HRESULT ma_IAudioClient2_GetService(ma_IAudioClient2* pThis, const IID* const riid, void** pp) { return pThis->lpVtbl->GetService(pThis, riid, pp); }
static MA_INLINE HRESULT ma_IAudioClient2_IsOffloadCapable(ma_IAudioClient2* pThis, MA_AUDIO_STREAM_CATEGORY category, BOOL* pOffloadCapable) { return pThis->lpVtbl->IsOffloadCapable(pThis, category, pOffloadCapable); }
static MA_INLINE HRESULT ma_IAudioClient2_SetClientProperties(ma_IAudioClient2* pThis, const ma_AudioClientProperties* pProperties) { return pThis->lpVtbl->SetClientProperties(pThis, pProperties); }
static MA_INLINE HRESULT ma_IAudioClient2_GetBufferSizeLimits(ma_IAudioClient2* pThis, const MA_WAVEFORMATEX* pFormat, BOOL eventDriven, MA_REFERENCE_TIME* pMinBufferDuration, MA_REFERENCE_TIME* pMaxBufferDuration) { return pThis->lpVtbl->GetBufferSizeLimits(pThis, pFormat, eventDriven, pMinBufferDuration, pMaxBufferDuration); }
typedef struct
{
HRESULT (STDMETHODCALLTYPE * QueryInterface)(ma_IAudioClient3* pThis, const IID* const riid, void** ppObject);
ULONG (STDMETHODCALLTYPE * AddRef) (ma_IAudioClient3* pThis);
ULONG (STDMETHODCALLTYPE * Release) (ma_IAudioClient3* pThis);
HRESULT (STDMETHODCALLTYPE * Initialize) (ma_IAudioClient3* pThis, MA_AUDCLNT_SHAREMODE shareMode, DWORD streamFlags, MA_REFERENCE_TIME bufferDuration, MA_REFERENCE_TIME periodicity, const MA_WAVEFORMATEX* pFormat, const GUID* pAudioSessionGuid);
HRESULT (STDMETHODCALLTYPE * GetBufferSize) (ma_IAudioClient3* pThis, ma_uint32* pNumBufferFrames);
HRESULT (STDMETHODCALLTYPE * GetStreamLatency) (ma_IAudioClient3* pThis, MA_REFERENCE_TIME* pLatency);
HRESULT (STDMETHODCALLTYPE * GetCurrentPadding)(ma_IAudioClient3* pThis, ma_uint32* pNumPaddingFrames);
HRESULT (STDMETHODCALLTYPE * IsFormatSupported)(ma_IAudioClient3* pThis, MA_AUDCLNT_SHAREMODE shareMode, const MA_WAVEFORMATEX* pFormat, MA_WAVEFORMATEX** ppClosestMatch);
HRESULT (STDMETHODCALLTYPE * GetMixFormat) (ma_IAudioClient3* pThis, MA_WAVEFORMATEX** ppDeviceFormat);
HRESULT (STDMETHODCALLTYPE * GetDevicePeriod) (ma_IAudioClient3* pThis, MA_REFERENCE_TIME* pDefaultDevicePeriod, MA_REFERENCE_TIME* pMinimumDevicePeriod);
HRESULT (STDMETHODCALLTYPE * Start) (ma_IAudioClient3* pThis);
HRESULT (STDMETHODCALLTYPE * Stop) (ma_IAudioClient3* pThis);
HRESULT (STDMETHODCALLTYPE * Reset) (ma_IAudioClient3* pThis);
HRESULT (STDMETHODCALLTYPE * SetEventHandle) (ma_IAudioClient3* pThis, HANDLE eventHandle);
HRESULT (STDMETHODCALLTYPE * GetService) (ma_IAudioClient3* pThis, const IID* const riid, void** pp);
HRESULT (STDMETHODCALLTYPE * IsOffloadCapable) (ma_IAudioClient3* pThis, MA_AUDIO_STREAM_CATEGORY category, BOOL* pOffloadCapable);
HRESULT (STDMETHODCALLTYPE * SetClientProperties)(ma_IAudioClient3* pThis, const ma_AudioClientProperties* pProperties);
HRESULT (STDMETHODCALLTYPE * GetBufferSizeLimits)(ma_IAudioClient3* pThis, const MA_WAVEFORMATEX* pFormat, BOOL eventDriven, MA_REFERENCE_TIME* pMinBufferDuration, MA_REFERENCE_TIME* pMaxBufferDuration);
HRESULT (STDMETHODCALLTYPE * GetSharedModeEnginePeriod) (ma_IAudioClient3* pThis, const MA_WAVEFORMATEX* pFormat, ma_uint32* pDefaultPeriodInFrames, ma_uint32* pFundamentalPeriodInFrames, ma_uint32* pMinPeriodInFrames, ma_uint32* pMaxPeriodInFrames);
HRESULT (STDMETHODCALLTYPE * GetCurrentSharedModeEnginePeriod)(ma_IAudioClient3* pThis, MA_WAVEFORMATEX** ppFormat, ma_uint32* pCurrentPeriodInFrames);
HRESULT (STDMETHODCALLTYPE * InitializeSharedAudioStream) (ma_IAudioClient3* pThis, DWORD streamFlags, ma_uint32 periodInFrames, const MA_WAVEFORMATEX* pFormat, const GUID* pAudioSessionGuid);
} ma_IAudioClient3Vtbl;
struct ma_IAudioClient3
{
ma_IAudioClient3Vtbl* lpVtbl;
};
static MA_INLINE HRESULT ma_IAudioClient3_QueryInterface(ma_IAudioClient3* pThis, const IID* const riid, void** ppObject) { return pThis->lpVtbl->QueryInterface(pThis, riid, ppObject); }
static MA_INLINE ULONG ma_IAudioClient3_AddRef(ma_IAudioClient3* pThis) { return pThis->lpVtbl->AddRef(pThis); }
static MA_INLINE ULONG ma_IAudioClient3_Release(ma_IAudioClient3* pThis) { return pThis->lpVtbl->Release(pThis); }
static MA_INLINE HRESULT ma_IAudioClient3_Initialize(ma_IAudioClient3* pThis, MA_AUDCLNT_SHAREMODE shareMode, DWORD streamFlags, MA_REFERENCE_TIME bufferDuration, MA_REFERENCE_TIME periodicity, const MA_WAVEFORMATEX* pFormat, const GUID* pAudioSessionGuid) { return pThis->lpVtbl->Initialize(pThis, shareMode, streamFlags, bufferDuration, periodicity, pFormat, pAudioSessionGuid); }
static MA_INLINE HRESULT ma_IAudioClient3_GetBufferSize(ma_IAudioClient3* pThis, ma_uint32* pNumBufferFrames) { return pThis->lpVtbl->GetBufferSize(pThis, pNumBufferFrames); }
static MA_INLINE HRESULT ma_IAudioClient3_GetStreamLatency(ma_IAudioClient3* pThis, MA_REFERENCE_TIME* pLatency) { return pThis->lpVtbl->GetStreamLatency(pThis, pLatency); }
static MA_INLINE HRESULT ma_IAudioClient3_GetCurrentPadding(ma_IAudioClient3* pThis, ma_uint32* pNumPaddingFrames) { return pThis->lpVtbl->GetCurrentPadding(pThis, pNumPaddingFrames); }
static MA_INLINE HRESULT ma_IAudioClient3_IsFormatSupported(ma_IAudioClient3* pThis, MA_AUDCLNT_SHAREMODE shareMode, const MA_WAVEFORMATEX* pFormat, MA_WAVEFORMATEX** ppClosestMatch) { return pThis->lpVtbl->IsFormatSupported(pThis, shareMode, pFormat, ppClosestMatch); }
static MA_INLINE HRESULT ma_IAudioClient3_GetMixFormat(ma_IAudioClient3* pThis, MA_WAVEFORMATEX** ppDeviceFormat) { return pThis->lpVtbl->GetMixFormat(pThis, ppDeviceFormat); }
static MA_INLINE HRESULT ma_IAudioClient3_GetDevicePeriod(ma_IAudioClient3* pThis, MA_REFERENCE_TIME* pDefaultDevicePeriod, MA_REFERENCE_TIME* pMinimumDevicePeriod) { return pThis->lpVtbl->GetDevicePeriod(pThis, pDefaultDevicePeriod, pMinimumDevicePeriod); }
static MA_INLINE HRESULT ma_IAudioClient3_Start(ma_IAudioClient3* pThis) { return pThis->lpVtbl->Start(pThis); }
static MA_INLINE HRESULT ma_IAudioClient3_Stop(ma_IAudioClient3* pThis) { return pThis->lpVtbl->Stop(pThis); }
static MA_INLINE HRESULT ma_IAudioClient3_Reset(ma_IAudioClient3* pThis) { return pThis->lpVtbl->Reset(pThis); }
static MA_INLINE HRESULT ma_IAudioClient3_SetEventHandle(ma_IAudioClient3* pThis, HANDLE eventHandle) { return pThis->lpVtbl->SetEventHandle(pThis, eventHandle); }
static MA_INLINE HRESULT ma_IAudioClient3_GetService(ma_IAudioClient3* pThis, const IID* const riid, void** pp) { return pThis->lpVtbl->GetService(pThis, riid, pp); }
static MA_INLINE HRESULT ma_IAudioClient3_IsOffloadCapable(ma_IAudioClient3* pThis, MA_AUDIO_STREAM_CATEGORY category, BOOL* pOffloadCapable) { return pThis->lpVtbl->IsOffloadCapable(pThis, category, pOffloadCapable); }
static MA_INLINE HRESULT ma_IAudioClient3_SetClientProperties(ma_IAudioClient3* pThis, const ma_AudioClientProperties* pProperties) { return pThis->lpVtbl->SetClientProperties(pThis, pProperties); }
static MA_INLINE HRESULT ma_IAudioClient3_GetBufferSizeLimits(ma_IAudioClient3* pThis, const MA_WAVEFORMATEX* pFormat, BOOL eventDriven, MA_REFERENCE_TIME* pMinBufferDuration, MA_REFERENCE_TIME* pMaxBufferDuration) { return pThis->lpVtbl->GetBufferSizeLimits(pThis, pFormat, eventDriven, pMinBufferDuration, pMaxBufferDuration); }
static MA_INLINE HRESULT ma_IAudioClient3_GetSharedModeEnginePeriod(ma_IAudioClient3* pThis, const MA_WAVEFORMATEX* pFormat, ma_uint32* pDefaultPeriodInFrames, ma_uint32* pFundamentalPeriodInFrames, ma_uint32* pMinPeriodInFrames, ma_uint32* pMaxPeriodInFrames) { return pThis->lpVtbl->GetSharedModeEnginePeriod(pThis, pFormat, pDefaultPeriodInFrames, pFundamentalPeriodInFrames, pMinPeriodInFrames, pMaxPeriodInFrames); }
static MA_INLINE HRESULT ma_IAudioClient3_GetCurrentSharedModeEnginePeriod(ma_IAudioClient3* pThis, MA_WAVEFORMATEX** ppFormat, ma_uint32* pCurrentPeriodInFrames) { return pThis->lpVtbl->GetCurrentSharedModeEnginePeriod(pThis, ppFormat, pCurrentPeriodInFrames); }
static MA_INLINE HRESULT ma_IAudioClient3_InitializeSharedAudioStream(ma_IAudioClient3* pThis, DWORD streamFlags, ma_uint32 periodInFrames, const MA_WAVEFORMATEX* pFormat, const GUID* pAudioSessionGUID) { return pThis->lpVtbl->InitializeSharedAudioStream(pThis, streamFlags, periodInFrames, pFormat, pAudioSessionGUID); }
typedef struct
{
HRESULT (STDMETHODCALLTYPE * QueryInterface)(ma_IAudioRenderClient* pThis, const IID* const riid, void** ppObject);
ULONG (STDMETHODCALLTYPE * AddRef) (ma_IAudioRenderClient* pThis);
ULONG (STDMETHODCALLTYPE * Release) (ma_IAudioRenderClient* pThis);
HRESULT (STDMETHODCALLTYPE * GetBuffer) (ma_IAudioRenderClient* pThis, ma_uint32 numFramesRequested, BYTE** ppData);
HRESULT (STDMETHODCALLTYPE * ReleaseBuffer)(ma_IAudioRenderClient* pThis, ma_uint32 numFramesWritten, DWORD dwFlags);
} ma_IAudioRenderClientVtbl;
struct ma_IAudioRenderClient
{
ma_IAudioRenderClientVtbl* lpVtbl;
};
static MA_INLINE HRESULT ma_IAudioRenderClient_QueryInterface(ma_IAudioRenderClient* pThis, const IID* const riid, void** ppObject) { return pThis->lpVtbl->QueryInterface(pThis, riid, ppObject); }
static MA_INLINE ULONG ma_IAudioRenderClient_AddRef(ma_IAudioRenderClient* pThis) { return pThis->lpVtbl->AddRef(pThis); }
static MA_INLINE ULONG ma_IAudioRenderClient_Release(ma_IAudioRenderClient* pThis) { return pThis->lpVtbl->Release(pThis); }
static MA_INLINE HRESULT ma_IAudioRenderClient_GetBuffer(ma_IAudioRenderClient* pThis, ma_uint32 numFramesRequested, BYTE** ppData) { return pThis->lpVtbl->GetBuffer(pThis, numFramesRequested, ppData); }
static MA_INLINE HRESULT ma_IAudioRenderClient_ReleaseBuffer(ma_IAudioRenderClient* pThis, ma_uint32 numFramesWritten, DWORD dwFlags) { return pThis->lpVtbl->ReleaseBuffer(pThis, numFramesWritten, dwFlags); }
typedef struct
{
HRESULT (STDMETHODCALLTYPE * QueryInterface)(ma_IAudioCaptureClient* pThis, const IID* const riid, void** ppObject);
ULONG (STDMETHODCALLTYPE * AddRef) (ma_IAudioCaptureClient* pThis);
ULONG (STDMETHODCALLTYPE * Release) (ma_IAudioCaptureClient* pThis);
HRESULT (STDMETHODCALLTYPE * GetBuffer) (ma_IAudioCaptureClient* pThis, BYTE** ppData, ma_uint32* pNumFramesToRead, DWORD* pFlags, ma_uint64* pDevicePosition, ma_uint64* pQPCPosition);
HRESULT (STDMETHODCALLTYPE * ReleaseBuffer) (ma_IAudioCaptureClient* pThis, ma_uint32 numFramesRead);
HRESULT (STDMETHODCALLTYPE * GetNextPacketSize)(ma_IAudioCaptureClient* pThis, ma_uint32* pNumFramesInNextPacket);
} ma_IAudioCaptureClientVtbl;
struct ma_IAudioCaptureClient
{
ma_IAudioCaptureClientVtbl* lpVtbl;
};
static MA_INLINE HRESULT ma_IAudioCaptureClient_QueryInterface(ma_IAudioCaptureClient* pThis, const IID* const riid, void** ppObject) { return pThis->lpVtbl->QueryInterface(pThis, riid, ppObject); }
static MA_INLINE ULONG ma_IAudioCaptureClient_AddRef(ma_IAudioCaptureClient* pThis) { return pThis->lpVtbl->AddRef(pThis); }
static MA_INLINE ULONG ma_IAudioCaptureClient_Release(ma_IAudioCaptureClient* pThis) { return pThis->lpVtbl->Release(pThis); }
static MA_INLINE HRESULT ma_IAudioCaptureClient_GetBuffer(ma_IAudioCaptureClient* pThis, BYTE** ppData, ma_uint32* pNumFramesToRead, DWORD* pFlags, ma_uint64* pDevicePosition, ma_uint64* pQPCPosition) { return pThis->lpVtbl->GetBuffer(pThis, ppData, pNumFramesToRead, pFlags, pDevicePosition, pQPCPosition); }
static MA_INLINE HRESULT ma_IAudioCaptureClient_ReleaseBuffer(ma_IAudioCaptureClient* pThis, ma_uint32 numFramesRead) { return pThis->lpVtbl->ReleaseBuffer(pThis, numFramesRead); }
static MA_INLINE HRESULT ma_IAudioCaptureClient_GetNextPacketSize(ma_IAudioCaptureClient* pThis, ma_uint32* pNumFramesInNextPacket) { return pThis->lpVtbl->GetNextPacketSize(pThis, pNumFramesInNextPacket); }
#if defined(MA_WIN32_UWP)
typedef HRESULT (WINAPI * MA_PFN_ActivateAudioInterfaceAsync)(const wchar_t* deviceInterfacePath, const IID* riid, MA_PROPVARIANT* activationParams, ma_IActivateAudioInterfaceCompletionHandler* completionHandler, ma_IActivateAudioInterfaceAsyncOperation** activationOperation);
#endif
typedef HANDLE (WINAPI * MA_PFN_AvSetMmThreadCharacteristicsA)(const char* TaskName, DWORD* TaskIndex);
typedef BOOL (WINAPI * MA_PFN_AvRevertMmThreadCharacteristics)(HANDLE AvrtHandle);
#if !defined(MA_WIN32_DESKTOP) && !defined(MA_WIN32_GDK)
typedef struct ma_completion_handler_uwp ma_completion_handler_uwp;
typedef struct
{
HRESULT (STDMETHODCALLTYPE * QueryInterface)(ma_completion_handler_uwp* pThis, const IID* const riid, void** ppObject);
ULONG (STDMETHODCALLTYPE * AddRef) (ma_completion_handler_uwp* pThis);
ULONG (STDMETHODCALLTYPE * Release) (ma_completion_handler_uwp* pThis);
HRESULT (STDMETHODCALLTYPE * ActivateCompleted)(ma_completion_handler_uwp* pThis, ma_IActivateAudioInterfaceAsyncOperation* pActivateOperation);
} ma_completion_handler_uwp_vtbl;
struct ma_completion_handler_uwp
{
ma_completion_handler_uwp_vtbl* lpVtbl;
MA_ATOMIC(4, ma_uint32) counter;
HANDLE hEvent;
};
static HRESULT STDMETHODCALLTYPE ma_completion_handler_uwp_QueryInterface(ma_completion_handler_uwp* pThis, const IID* const riid, void** ppObject)
{
if (!ma_is_guid_equal(riid, &MA_IID_IUnknown) && !ma_is_guid_equal(riid, &MA_IID_IActivateAudioInterfaceCompletionHandler) && !ma_is_guid_equal(riid, &MA_IID_IAgileObject)) {
*ppObject = NULL;
return E_NOINTERFACE;
}
*ppObject = (void*)pThis;
((ma_completion_handler_uwp_vtbl*)pThis->lpVtbl)->AddRef(pThis);
return S_OK;
}
static ULONG STDMETHODCALLTYPE ma_completion_handler_uwp_AddRef(ma_completion_handler_uwp* pThis)
{
return (ULONG)ma_atomic_fetch_add_32(&pThis->counter, 1) + 1;
}
static ULONG STDMETHODCALLTYPE ma_completion_handler_uwp_Release(ma_completion_handler_uwp* pThis)
{
ma_uint32 newRefCount = ma_atomic_fetch_sub_32(&pThis->counter, 1) - 1;
if (newRefCount == 0) {
return 0;
}
return (ULONG)newRefCount;
}
static HRESULT STDMETHODCALLTYPE ma_completion_handler_uwp_ActivateCompleted(ma_completion_handler_uwp* pThis, ma_IActivateAudioInterfaceAsyncOperation* pActivateOperation)
{
(void)pActivateOperation;
SetEvent(pThis->hEvent);
return S_OK;
}
static ma_completion_handler_uwp_vtbl g_maCompletionHandlerVtblInstance = {
ma_completion_handler_uwp_QueryInterface,
ma_completion_handler_uwp_AddRef,
ma_completion_handler_uwp_Release,
ma_completion_handler_uwp_ActivateCompleted
};
static ma_result ma_completion_handler_uwp_init(ma_completion_handler_uwp* pHandler)
{
MA_ASSERT(pHandler != NULL);
MA_ZERO_OBJECT(pHandler);
pHandler->lpVtbl = &g_maCompletionHandlerVtblInstance;
pHandler->counter = 1;
pHandler->hEvent = CreateEventA(NULL, FALSE, FALSE, NULL);
if (pHandler->hEvent == NULL) {
return ma_result_from_GetLastError(GetLastError());
}
return MA_SUCCESS;
}
static void ma_completion_handler_uwp_uninit(ma_completion_handler_uwp* pHandler)
{
if (pHandler->hEvent != NULL) {
CloseHandle(pHandler->hEvent);
}
}
static void ma_completion_handler_uwp_wait(ma_completion_handler_uwp* pHandler)
{
WaitForSingleObject((HANDLE)pHandler->hEvent, INFINITE);
}
#endif
#if defined(MA_WIN32_DESKTOP) || defined(MA_WIN32_GDK)
static HRESULT STDMETHODCALLTYPE ma_IMMNotificationClient_QueryInterface(ma_IMMNotificationClient* pThis, const IID* const riid, void** ppObject)
{
if (!ma_is_guid_equal(riid, &MA_IID_IUnknown) && !ma_is_guid_equal(riid, &MA_IID_IMMNotificationClient)) {
*ppObject = NULL;
return E_NOINTERFACE;
}
*ppObject = (void*)pThis;
((ma_IMMNotificationClientVtbl*)pThis->lpVtbl)->AddRef(pThis);
return S_OK;
}
static ULONG STDMETHODCALLTYPE ma_IMMNotificationClient_AddRef(ma_IMMNotificationClient* pThis)
{
return (ULONG)ma_atomic_fetch_add_32(&pThis->counter, 1) + 1;
}
static ULONG STDMETHODCALLTYPE ma_IMMNotificationClient_Release(ma_IMMNotificationClient* pThis)
{
ma_uint32 newRefCount = ma_atomic_fetch_sub_32(&pThis->counter, 1) - 1;
if (newRefCount == 0) {
return 0;
}
return (ULONG)newRefCount;
}
static HRESULT STDMETHODCALLTYPE ma_IMMNotificationClient_OnDeviceStateChanged(ma_IMMNotificationClient* pThis, const WCHAR* pDeviceID, DWORD dwNewState)
{
ma_bool32 isThisDevice = MA_FALSE;
ma_bool32 isCapture = MA_FALSE;
ma_bool32 isPlayback = MA_FALSE;
#ifdef MA_DEBUG_OUTPUT
#endif
if (pThis->pDevice->wasapi.allowCaptureAutoStreamRouting && (pThis->pDevice->type == ma_device_type_capture || pThis->pDevice->type == ma_device_type_duplex || pThis->pDevice->type == ma_device_type_loopback)) {
isCapture = MA_TRUE;
if (ma_strcmp_WCHAR(pThis->pDevice->capture.id.wasapi, pDeviceID) == 0) {
isThisDevice = MA_TRUE;
}
}
if (pThis->pDevice->wasapi.allowPlaybackAutoStreamRouting && (pThis->pDevice->type == ma_device_type_playback || pThis->pDevice->type == ma_device_type_duplex)) {
isPlayback = MA_TRUE;
if (ma_strcmp_WCHAR(pThis->pDevice->playback.id.wasapi, pDeviceID) == 0) {
isThisDevice = MA_TRUE;
}
}
if (isThisDevice) {
if ((dwNewState & MA_MM_DEVICE_STATE_ACTIVE) == 0) {
if (ma_device_get_state(pThis->pDevice) == ma_device_state_started) {
if (isPlayback) {
pThis->pDevice->wasapi.isDetachedPlayback = MA_TRUE;
}
if (isCapture) {
pThis->pDevice->wasapi.isDetachedCapture = MA_TRUE;
}
ma_device_stop(pThis->pDevice);
}
}
if ((dwNewState & MA_MM_DEVICE_STATE_ACTIVE) != 0) {
ma_bool8 tryRestartingDevice = MA_FALSE;
if (isPlayback) {
if (pThis->pDevice->wasapi.isDetachedPlayback) {
pThis->pDevice->wasapi.isDetachedPlayback = MA_FALSE;
ma_device_reroute__wasapi(pThis->pDevice, ma_device_type_playback);
tryRestartingDevice = MA_TRUE;
}
}
if (isCapture) {
if (pThis->pDevice->wasapi.isDetachedCapture) {
pThis->pDevice->wasapi.isDetachedCapture = MA_FALSE;
ma_device_reroute__wasapi(pThis->pDevice, (pThis->pDevice->type == ma_device_type_loopback) ? ma_device_type_loopback : ma_device_type_capture);
tryRestartingDevice = MA_TRUE;
}
}
if (tryRestartingDevice) {
if (pThis->pDevice->wasapi.isDetachedPlayback == MA_FALSE && pThis->pDevice->wasapi.isDetachedCapture == MA_FALSE) {
ma_device_start(pThis->pDevice);
}
}
}
}
return S_OK;
}
static HRESULT STDMETHODCALLTYPE ma_IMMNotificationClient_OnDeviceAdded(ma_IMMNotificationClient* pThis, const WCHAR* pDeviceID)
{
#ifdef MA_DEBUG_OUTPUT
#endif
(void)pThis;
(void)pDeviceID;
return S_OK;
}
static HRESULT STDMETHODCALLTYPE ma_IMMNotificationClient_OnDeviceRemoved(ma_IMMNotificationClient* pThis, const WCHAR* pDeviceID)
{
#ifdef MA_DEBUG_OUTPUT
#endif
(void)pThis;
(void)pDeviceID;
return S_OK;
}
static HRESULT STDMETHODCALLTYPE ma_IMMNotificationClient_OnDefaultDeviceChanged(ma_IMMNotificationClient* pThis, ma_EDataFlow dataFlow, ma_ERole role, const WCHAR* pDefaultDeviceID)
{
#ifdef MA_DEBUG_OUTPUT
#endif
(void)role;
if ((pThis->pDevice->type == ma_device_type_playback && dataFlow != ma_eRender) ||
(pThis->pDevice->type == ma_device_type_capture && dataFlow != ma_eCapture) ||
(pThis->pDevice->type == ma_device_type_loopback && dataFlow != ma_eRender)) {
ma_log_postf(ma_device_get_log(pThis->pDevice), MA_LOG_LEVEL_DEBUG, "[WASAPI] Stream rerouting abandoned because dataFlow does match device type.\n");
return S_OK;
}
if (pThis->pDevice->type == ma_device_type_loopback) {
dataFlow = ma_eCapture;
}
if ((dataFlow == ma_eRender && pThis->pDevice->wasapi.allowPlaybackAutoStreamRouting == MA_FALSE) ||
(dataFlow == ma_eCapture && pThis->pDevice->wasapi.allowCaptureAutoStreamRouting == MA_FALSE)) {
ma_log_postf(ma_device_get_log(pThis->pDevice), MA_LOG_LEVEL_DEBUG, "[WASAPI] Stream rerouting abandoned because automatic stream routing has been disabled by the device config.\n");
return S_OK;
}
if ((dataFlow == ma_eRender && pThis->pDevice->playback.shareMode == ma_share_mode_exclusive) ||
(dataFlow == ma_eCapture && pThis->pDevice->capture.shareMode == ma_share_mode_exclusive)) {
ma_log_postf(ma_device_get_log(pThis->pDevice), MA_LOG_LEVEL_DEBUG, "[WASAPI] Stream rerouting abandoned because the device shared mode is exclusive.\n");
return S_OK;
}
{
ma_uint32 previousState = ma_device_get_state(pThis->pDevice);
ma_bool8 restartDevice = MA_FALSE;
if (previousState == ma_device_state_uninitialized || previousState == ma_device_state_starting) {
ma_log_postf(ma_device_get_log(pThis->pDevice), MA_LOG_LEVEL_DEBUG, "[WASAPI] Stream rerouting abandoned because the device is in the process of starting.\n");
return S_OK;
}
if (previousState == ma_device_state_started) {
ma_device_stop(pThis->pDevice);
restartDevice = MA_TRUE;
}
if (pDefaultDeviceID != NULL) {
ma_mutex_lock(&pThis->pDevice->wasapi.rerouteLock);
{
if (dataFlow == ma_eRender) {
ma_device_reroute__wasapi(pThis->pDevice, ma_device_type_playback);
if (pThis->pDevice->wasapi.isDetachedPlayback) {
pThis->pDevice->wasapi.isDetachedPlayback = MA_FALSE;
if (pThis->pDevice->type == ma_device_type_duplex && pThis->pDevice->wasapi.isDetachedCapture) {
restartDevice = MA_FALSE;
}
else {
restartDevice = MA_TRUE;
}
}
}
else {
ma_device_reroute__wasapi(pThis->pDevice, (pThis->pDevice->type == ma_device_type_loopback) ? ma_device_type_loopback : ma_device_type_capture);
if (pThis->pDevice->wasapi.isDetachedCapture) {
pThis->pDevice->wasapi.isDetachedCapture = MA_FALSE;
if (pThis->pDevice->type == ma_device_type_duplex && pThis->pDevice->wasapi.isDetachedPlayback) {
restartDevice = MA_FALSE;
}
else {
restartDevice = MA_TRUE;
}
}
}
}
ma_mutex_unlock(&pThis->pDevice->wasapi.rerouteLock);
if (restartDevice) {
ma_device_start(pThis->pDevice);
}
}
}
return S_OK;
}
static HRESULT STDMETHODCALLTYPE ma_IMMNotificationClient_OnPropertyValueChanged(ma_IMMNotificationClient* pThis, const WCHAR* pDeviceID, const PROPERTYKEY key)
{
#ifdef MA_DEBUG_OUTPUT
#endif
(void)pThis;
(void)pDeviceID;
(void)key;
return S_OK;
}
static ma_IMMNotificationClientVtbl g_maNotificationCientVtbl = {
ma_IMMNotificationClient_QueryInterface,
ma_IMMNotificationClient_AddRef,
ma_IMMNotificationClient_Release,
ma_IMMNotificationClient_OnDeviceStateChanged,
ma_IMMNotificationClient_OnDeviceAdded,
ma_IMMNotificationClient_OnDeviceRemoved,
ma_IMMNotificationClient_OnDefaultDeviceChanged,
ma_IMMNotificationClient_OnPropertyValueChanged
};
#endif
static const char* ma_to_usage_string__wasapi(ma_wasapi_usage usage)
{
switch (usage)
{
case ma_wasapi_usage_default: return NULL;
case ma_wasapi_usage_games: return "Games";
case ma_wasapi_usage_pro_audio: return "Pro Audio";
default: break;
}
return NULL;
}
#if defined(MA_WIN32_DESKTOP) || defined(MA_WIN32_GDK)
typedef ma_IMMDevice ma_WASAPIDeviceInterface;
#else
typedef ma_IUnknown ma_WASAPIDeviceInterface;
#endif
#define MA_CONTEXT_COMMAND_QUIT__WASAPI 1
#define MA_CONTEXT_COMMAND_CREATE_IAUDIOCLIENT__WASAPI 2
#define MA_CONTEXT_COMMAND_RELEASE_IAUDIOCLIENT__WASAPI 3
static ma_context_command__wasapi ma_context_init_command__wasapi(int code)
{
ma_context_command__wasapi cmd;
MA_ZERO_OBJECT(&cmd);
cmd.code = code;
return cmd;
}
static ma_result ma_context_post_command__wasapi(ma_context* pContext, const ma_context_command__wasapi* pCmd)
{
ma_result result;
ma_bool32 isUsingLocalEvent = MA_FALSE;
ma_event localEvent;
MA_ASSERT(pContext != NULL);
MA_ASSERT(pCmd != NULL);
if (pCmd->pEvent == NULL) {
isUsingLocalEvent = MA_TRUE;
result = ma_event_init(&localEvent);
if (result != MA_SUCCESS) {
return result;
}
}
ma_mutex_lock(&pContext->wasapi.commandLock);
{
ma_uint32 index;
while (pContext->wasapi.commandCount == ma_countof(pContext->wasapi.commands)) {
ma_yield();
}
index = (pContext->wasapi.commandIndex + pContext->wasapi.commandCount) % ma_countof(pContext->wasapi.commands);
pContext->wasapi.commands[index] = *pCmd;
pContext->wasapi.commands[index].pEvent = &localEvent;
pContext->wasapi.commandCount += 1;
ma_semaphore_release(&pContext->wasapi.commandSem);
}
ma_mutex_unlock(&pContext->wasapi.commandLock);
if (isUsingLocalEvent) {
ma_event_wait(&localEvent);
ma_event_uninit(&localEvent);
}
return MA_SUCCESS;
}
static ma_result ma_context_next_command__wasapi(ma_context* pContext, ma_context_command__wasapi* pCmd)
{
ma_result result = MA_SUCCESS;
MA_ASSERT(pContext != NULL);
MA_ASSERT(pCmd != NULL);
result = ma_semaphore_wait(&pContext->wasapi.commandSem);
if (result == MA_SUCCESS) {
ma_mutex_lock(&pContext->wasapi.commandLock);
{
*pCmd = pContext->wasapi.commands[pContext->wasapi.commandIndex];
pContext->wasapi.commandIndex = (pContext->wasapi.commandIndex + 1) % ma_countof(pContext->wasapi.commands);
pContext->wasapi.commandCount -= 1;
}
ma_mutex_unlock(&pContext->wasapi.commandLock);
}
return result;
}
static ma_thread_result MA_THREADCALL ma_context_command_thread__wasapi(void* pUserData)
{
ma_result result;
ma_context* pContext = (ma_context*)pUserData;
MA_ASSERT(pContext != NULL);
for (;;) {
ma_context_command__wasapi cmd;
result = ma_context_next_command__wasapi(pContext, &cmd);
if (result != MA_SUCCESS) {
break;
}
switch (cmd.code)
{
case MA_CONTEXT_COMMAND_QUIT__WASAPI:
{
} break;
case MA_CONTEXT_COMMAND_CREATE_IAUDIOCLIENT__WASAPI:
{
if (cmd.data.createAudioClient.deviceType == ma_device_type_playback) {
*cmd.data.createAudioClient.pResult = ma_result_from_HRESULT(ma_IAudioClient_GetService((ma_IAudioClient*)cmd.data.createAudioClient.pAudioClient, &MA_IID_IAudioRenderClient, cmd.data.createAudioClient.ppAudioClientService));
} else {
*cmd.data.createAudioClient.pResult = ma_result_from_HRESULT(ma_IAudioClient_GetService((ma_IAudioClient*)cmd.data.createAudioClient.pAudioClient, &MA_IID_IAudioCaptureClient, cmd.data.createAudioClient.ppAudioClientService));
}
} break;
case MA_CONTEXT_COMMAND_RELEASE_IAUDIOCLIENT__WASAPI:
{
if (cmd.data.releaseAudioClient.deviceType == ma_device_type_playback) {
if (cmd.data.releaseAudioClient.pDevice->wasapi.pAudioClientPlayback != NULL) {
ma_IAudioClient_Release((ma_IAudioClient*)cmd.data.releaseAudioClient.pDevice->wasapi.pAudioClientPlayback);
cmd.data.releaseAudioClient.pDevice->wasapi.pAudioClientPlayback = NULL;
}
}
if (cmd.data.releaseAudioClient.deviceType == ma_device_type_capture) {
if (cmd.data.releaseAudioClient.pDevice->wasapi.pAudioClientCapture != NULL) {
ma_IAudioClient_Release((ma_IAudioClient*)cmd.data.releaseAudioClient.pDevice->wasapi.pAudioClientCapture);
cmd.data.releaseAudioClient.pDevice->wasapi.pAudioClientCapture = NULL;
}
}
} break;
default:
{
MA_ASSERT(MA_FALSE);
} break;
}
if (cmd.pEvent != NULL) {
ma_event_signal(cmd.pEvent);
}
if (cmd.code == MA_CONTEXT_COMMAND_QUIT__WASAPI) {
break;
}
}
return (ma_thread_result)0;
}
static ma_result ma_device_create_IAudioClient_service__wasapi(ma_context* pContext, ma_device_type deviceType, ma_IAudioClient* pAudioClient, void** ppAudioClientService)
{
ma_result result;
ma_result cmdResult;
ma_context_command__wasapi cmd = ma_context_init_command__wasapi(MA_CONTEXT_COMMAND_CREATE_IAUDIOCLIENT__WASAPI);
cmd.data.createAudioClient.deviceType = deviceType;
cmd.data.createAudioClient.pAudioClient = (void*)pAudioClient;
cmd.data.createAudioClient.ppAudioClientService = ppAudioClientService;
cmd.data.createAudioClient.pResult = &cmdResult;
result = ma_context_post_command__wasapi(pContext, &cmd);
if (result != MA_SUCCESS) {
return result;
}
return *cmd.data.createAudioClient.pResult;
}
#if 0
static ma_result ma_device_release_IAudioClient_service__wasapi(ma_device* pDevice, ma_device_type deviceType)
{
ma_result result;
ma_context_command__wasapi cmd = ma_context_init_command__wasapi(MA_CONTEXT_COMMAND_RELEASE_IAUDIOCLIENT__WASAPI);
cmd.data.releaseAudioClient.pDevice = pDevice;
cmd.data.releaseAudioClient.deviceType = deviceType;
result = ma_context_post_command__wasapi(pDevice->pContext, &cmd);
if (result != MA_SUCCESS) {
return result;
}
return MA_SUCCESS;
}
#endif
static void ma_add_native_data_format_to_device_info_from_WAVEFORMATEX(const MA_WAVEFORMATEX* pWF, ma_share_mode shareMode, ma_device_info* pInfo)
{
MA_ASSERT(pWF != NULL);
MA_ASSERT(pInfo != NULL);
if (pInfo->nativeDataFormatCount >= ma_countof(pInfo->nativeDataFormats)) {
return;
}
pInfo->nativeDataFormats[pInfo->nativeDataFormatCount].format = ma_format_from_WAVEFORMATEX(pWF);
pInfo->nativeDataFormats[pInfo->nativeDataFormatCount].channels = pWF->nChannels;
pInfo->nativeDataFormats[pInfo->nativeDataFormatCount].sampleRate = pWF->nSamplesPerSec;
pInfo->nativeDataFormats[pInfo->nativeDataFormatCount].flags = (shareMode == ma_share_mode_exclusive) ? MA_DATA_FORMAT_FLAG_EXCLUSIVE_MODE : 0;
pInfo->nativeDataFormatCount += 1;
}
static ma_result ma_context_get_device_info_from_IAudioClient__wasapi(ma_context* pContext, void* pMMDevice, ma_IAudioClient* pAudioClient, ma_device_info* pInfo)
{
HRESULT hr;
MA_WAVEFORMATEX* pWF = NULL;
MA_ASSERT(pAudioClient != NULL);
MA_ASSERT(pInfo != NULL);
hr = ma_IAudioClient_GetMixFormat((ma_IAudioClient*)pAudioClient, (MA_WAVEFORMATEX**)&pWF);
if (SUCCEEDED(hr)) {
ma_add_native_data_format_to_device_info_from_WAVEFORMATEX(pWF, ma_share_mode_shared, pInfo);
} else {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[WASAPI] Failed to retrieve mix format for device info retrieval.");
return ma_result_from_HRESULT(hr);
}
#if defined(MA_WIN32_DESKTOP) || defined(MA_WIN32_GDK)
{
ma_IPropertyStore *pProperties;
hr = ma_IMMDevice_OpenPropertyStore((ma_IMMDevice*)pMMDevice, STGM_READ, &pProperties);
if (SUCCEEDED(hr)) {
MA_PROPVARIANT var;
ma_PropVariantInit(&var);
hr = ma_IPropertyStore_GetValue(pProperties, &MA_PKEY_AudioEngine_DeviceFormat, &var);
if (SUCCEEDED(hr)) {
pWF = (MA_WAVEFORMATEX*)var.blob.pBlobData;
hr = ma_IAudioClient_IsFormatSupported((ma_IAudioClient*)pAudioClient, MA_AUDCLNT_SHAREMODE_EXCLUSIVE, pWF, NULL);
if (SUCCEEDED(hr)) {
ma_add_native_data_format_to_device_info_from_WAVEFORMATEX(pWF, ma_share_mode_exclusive, pInfo);
} else {
ma_uint32 channels = pWF->nChannels;
ma_channel defaultChannelMap[MA_MAX_CHANNELS];
MA_WAVEFORMATEXTENSIBLE wf;
ma_bool32 found;
ma_uint32 iFormat;
if (channels > MA_MAX_CHANNELS) {
channels = MA_MAX_CHANNELS;
}
ma_channel_map_init_standard(ma_standard_channel_map_microsoft, defaultChannelMap, ma_countof(defaultChannelMap), channels);
MA_ZERO_OBJECT(&wf);
wf.cbSize = sizeof(wf);
wf.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
wf.nChannels = (WORD)channels;
wf.dwChannelMask = ma_channel_map_to_channel_mask__win32(defaultChannelMap, channels);
found = MA_FALSE;
for (iFormat = 0; iFormat < ma_countof(g_maFormatPriorities); ++iFormat) {
ma_format format = g_maFormatPriorities[iFormat];
ma_uint32 iSampleRate;
wf.wBitsPerSample = (WORD)(ma_get_bytes_per_sample(format)*8);
wf.nBlockAlign = (WORD)(wf.nChannels * wf.wBitsPerSample / 8);
wf.nAvgBytesPerSec = wf.nBlockAlign * wf.nSamplesPerSec;
wf.Samples.wValidBitsPerSample = wf.wBitsPerSample;
if (format == ma_format_f32) {
wf.SubFormat = MA_GUID_KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
} else {
wf.SubFormat = MA_GUID_KSDATAFORMAT_SUBTYPE_PCM;
}
for (iSampleRate = 0; iSampleRate < ma_countof(g_maStandardSampleRatePriorities); ++iSampleRate) {
wf.nSamplesPerSec = g_maStandardSampleRatePriorities[iSampleRate];
hr = ma_IAudioClient_IsFormatSupported((ma_IAudioClient*)pAudioClient, MA_AUDCLNT_SHAREMODE_EXCLUSIVE, (MA_WAVEFORMATEX*)&wf, NULL);
if (SUCCEEDED(hr)) {
ma_add_native_data_format_to_device_info_from_WAVEFORMATEX((MA_WAVEFORMATEX*)&wf, ma_share_mode_exclusive, pInfo);
found = MA_TRUE;
break;
}
}
if (found) {
break;
}
}
ma_PropVariantClear(pContext, &var);
if (!found) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_WARNING, "[WASAPI] Failed to find suitable device format for device info retrieval.");
}
}
} else {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_WARNING, "[WASAPI] Failed to retrieve device format for device info retrieval.");
}
ma_IPropertyStore_Release(pProperties);
} else {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_WARNING, "[WASAPI] Failed to open property store for device info retrieval.");
}
}
#else
{
(void)pMMDevice;
}
#endif
return MA_SUCCESS;
}
#if defined(MA_WIN32_DESKTOP) || defined(MA_WIN32_GDK)
static ma_EDataFlow ma_device_type_to_EDataFlow(ma_device_type deviceType)
{
if (deviceType == ma_device_type_playback) {
return ma_eRender;
} else if (deviceType == ma_device_type_capture) {
return ma_eCapture;
} else {
MA_ASSERT(MA_FALSE);
return ma_eRender;
}
}
static ma_result ma_context_create_IMMDeviceEnumerator__wasapi(ma_context* pContext, ma_IMMDeviceEnumerator** ppDeviceEnumerator)
{
HRESULT hr;
ma_IMMDeviceEnumerator* pDeviceEnumerator;
MA_ASSERT(pContext != NULL);
MA_ASSERT(ppDeviceEnumerator != NULL);
*ppDeviceEnumerator = NULL;
hr = ma_CoCreateInstance(pContext, &MA_CLSID_MMDeviceEnumerator, NULL, CLSCTX_ALL, &MA_IID_IMMDeviceEnumerator, (void**)&pDeviceEnumerator);
if (FAILED(hr)) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[WASAPI] Failed to create device enumerator.");
return ma_result_from_HRESULT(hr);
}
*ppDeviceEnumerator = pDeviceEnumerator;
return MA_SUCCESS;
}
static WCHAR* ma_context_get_default_device_id_from_IMMDeviceEnumerator__wasapi(ma_context* pContext, ma_IMMDeviceEnumerator* pDeviceEnumerator, ma_device_type deviceType)
{
HRESULT hr;
ma_IMMDevice* pMMDefaultDevice = NULL;
WCHAR* pDefaultDeviceID = NULL;
ma_EDataFlow dataFlow;
ma_ERole role;
MA_ASSERT(pContext != NULL);
MA_ASSERT(pDeviceEnumerator != NULL);
(void)pContext;
dataFlow = ma_device_type_to_EDataFlow(deviceType);
role = ma_eConsole;
hr = ma_IMMDeviceEnumerator_GetDefaultAudioEndpoint(pDeviceEnumerator, dataFlow, role, &pMMDefaultDevice);
if (FAILED(hr)) {
return NULL;
}
hr = ma_IMMDevice_GetId(pMMDefaultDevice, &pDefaultDeviceID);
ma_IMMDevice_Release(pMMDefaultDevice);
pMMDefaultDevice = NULL;
if (FAILED(hr)) {
return NULL;
}
return pDefaultDeviceID;
}
static WCHAR* ma_context_get_default_device_id__wasapi(ma_context* pContext, ma_device_type deviceType)
{
ma_result result;
ma_IMMDeviceEnumerator* pDeviceEnumerator;
WCHAR* pDefaultDeviceID = NULL;
MA_ASSERT(pContext != NULL);
result = ma_context_create_IMMDeviceEnumerator__wasapi(pContext, &pDeviceEnumerator);
if (result != MA_SUCCESS) {
return NULL;
}
pDefaultDeviceID = ma_context_get_default_device_id_from_IMMDeviceEnumerator__wasapi(pContext, pDeviceEnumerator, deviceType);
ma_IMMDeviceEnumerator_Release(pDeviceEnumerator);
return pDefaultDeviceID;
}
static ma_result ma_context_get_MMDevice__wasapi(ma_context* pContext, ma_device_type deviceType, const ma_device_id* pDeviceID, ma_IMMDevice** ppMMDevice)
{
ma_IMMDeviceEnumerator* pDeviceEnumerator;
HRESULT hr;
HRESULT CoInitializeResult;
MA_ASSERT(pContext != NULL);
MA_ASSERT(ppMMDevice != NULL);
CoInitializeResult = ma_CoInitializeEx(pContext, NULL, MA_COINIT_VALUE);
{
hr = ma_CoCreateInstance(pContext, &MA_CLSID_MMDeviceEnumerator, NULL, CLSCTX_ALL, &MA_IID_IMMDeviceEnumerator, (void**)&pDeviceEnumerator);
}
if (CoInitializeResult == S_OK || CoInitializeResult == S_FALSE) { ma_CoUninitialize(pContext); }
if (FAILED(hr)) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[WASAPI] Failed to create IMMDeviceEnumerator.\n");
return ma_result_from_HRESULT(hr);
}
if (pDeviceID == NULL) {
hr = ma_IMMDeviceEnumerator_GetDefaultAudioEndpoint(pDeviceEnumerator, (deviceType == ma_device_type_capture) ? ma_eCapture : ma_eRender, ma_eConsole, ppMMDevice);
} else {
hr = ma_IMMDeviceEnumerator_GetDevice(pDeviceEnumerator, pDeviceID->wasapi, ppMMDevice);
}
ma_IMMDeviceEnumerator_Release(pDeviceEnumerator);
if (FAILED(hr)) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[WASAPI] Failed to retrieve IMMDevice.\n");
return ma_result_from_HRESULT(hr);
}
return MA_SUCCESS;
}
static ma_result ma_context_get_device_id_from_MMDevice__wasapi(ma_context* pContext, ma_IMMDevice* pMMDevice, ma_device_id* pDeviceID)
{
WCHAR* pDeviceIDString;
HRESULT hr;
MA_ASSERT(pDeviceID != NULL);
hr = ma_IMMDevice_GetId(pMMDevice, &pDeviceIDString);
if (SUCCEEDED(hr)) {
size_t idlen = ma_strlen_WCHAR(pDeviceIDString);
if (idlen+1 > ma_countof(pDeviceID->wasapi)) {
ma_CoTaskMemFree(pContext, pDeviceIDString);
MA_ASSERT(MA_FALSE);
return MA_ERROR;
}
MA_COPY_MEMORY(pDeviceID->wasapi, pDeviceIDString, idlen * sizeof(wchar_t));
pDeviceID->wasapi[idlen] = '\0';
ma_CoTaskMemFree(pContext, pDeviceIDString);
return MA_SUCCESS;
}
return MA_ERROR;
}
static ma_result ma_context_get_device_info_from_MMDevice__wasapi(ma_context* pContext, ma_IMMDevice* pMMDevice, WCHAR* pDefaultDeviceID, ma_bool32 onlySimpleInfo, ma_device_info* pInfo)
{
ma_result result;
HRESULT hr;
MA_ASSERT(pContext != NULL);
MA_ASSERT(pMMDevice != NULL);
MA_ASSERT(pInfo != NULL);
result = ma_context_get_device_id_from_MMDevice__wasapi(pContext, pMMDevice, &pInfo->id);
if (result == MA_SUCCESS) {
if (pDefaultDeviceID != NULL) {
if (ma_strcmp_WCHAR(pInfo->id.wasapi, pDefaultDeviceID) == 0) {
pInfo->isDefault = MA_TRUE;
}
}
}
{
ma_IPropertyStore *pProperties;
hr = ma_IMMDevice_OpenPropertyStore(pMMDevice, STGM_READ, &pProperties);
if (SUCCEEDED(hr)) {
MA_PROPVARIANT var;
ma_PropVariantInit(&var);
hr = ma_IPropertyStore_GetValue(pProperties, &MA_PKEY_Device_FriendlyName, &var);
if (SUCCEEDED(hr)) {
WideCharToMultiByte(CP_UTF8, 0, var.pwszVal, -1, pInfo->name, sizeof(pInfo->name), 0, FALSE);
ma_PropVariantClear(pContext, &var);
}
ma_IPropertyStore_Release(pProperties);
}
}
if (!onlySimpleInfo) {
ma_IAudioClient* pAudioClient;
hr = ma_IMMDevice_Activate(pMMDevice, &MA_IID_IAudioClient, CLSCTX_ALL, NULL, (void**)&pAudioClient);
if (SUCCEEDED(hr)) {
result = ma_context_get_device_info_from_IAudioClient__wasapi(pContext, pMMDevice, pAudioClient, pInfo);
ma_IAudioClient_Release(pAudioClient);
return result;
} else {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[WASAPI] Failed to activate audio client for device info retrieval.");
return ma_result_from_HRESULT(hr);
}
}
return MA_SUCCESS;
}
static ma_result ma_context_enumerate_devices_by_type__wasapi(ma_context* pContext, ma_IMMDeviceEnumerator* pDeviceEnumerator, ma_device_type deviceType, ma_enum_devices_callback_proc callback, void* pUserData)
{
ma_result result = MA_SUCCESS;
UINT deviceCount;
HRESULT hr;
ma_uint32 iDevice;
WCHAR* pDefaultDeviceID = NULL;
ma_IMMDeviceCollection* pDeviceCollection = NULL;
MA_ASSERT(pContext != NULL);
MA_ASSERT(callback != NULL);
pDefaultDeviceID = ma_context_get_default_device_id_from_IMMDeviceEnumerator__wasapi(pContext, pDeviceEnumerator, deviceType);
hr = ma_IMMDeviceEnumerator_EnumAudioEndpoints(pDeviceEnumerator, ma_device_type_to_EDataFlow(deviceType), MA_MM_DEVICE_STATE_ACTIVE, &pDeviceCollection);
if (SUCCEEDED(hr)) {
hr = ma_IMMDeviceCollection_GetCount(pDeviceCollection, &deviceCount);
if (FAILED(hr)) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[WASAPI] Failed to get device count.\n");
result = ma_result_from_HRESULT(hr);
goto done;
}
for (iDevice = 0; iDevice < deviceCount; ++iDevice) {
ma_device_info deviceInfo;
ma_IMMDevice* pMMDevice;
MA_ZERO_OBJECT(&deviceInfo);
hr = ma_IMMDeviceCollection_Item(pDeviceCollection, iDevice, &pMMDevice);
if (SUCCEEDED(hr)) {
result = ma_context_get_device_info_from_MMDevice__wasapi(pContext, pMMDevice, pDefaultDeviceID, MA_TRUE, &deviceInfo);
ma_IMMDevice_Release(pMMDevice);
if (result == MA_SUCCESS) {
ma_bool32 cbResult = callback(pContext, deviceType, &deviceInfo, pUserData);
if (cbResult == MA_FALSE) {
break;
}
}
}
}
}
done:
if (pDefaultDeviceID != NULL) {
ma_CoTaskMemFree(pContext, pDefaultDeviceID);
pDefaultDeviceID = NULL;
}
if (pDeviceCollection != NULL) {
ma_IMMDeviceCollection_Release(pDeviceCollection);
pDeviceCollection = NULL;
}
return result;
}
static ma_result ma_context_get_IAudioClient_Desktop__wasapi(ma_context* pContext, ma_device_type deviceType, const ma_device_id* pDeviceID, MA_PROPVARIANT* pActivationParams, ma_IAudioClient** ppAudioClient, ma_IMMDevice** ppMMDevice)
{
ma_result result;
HRESULT hr;
MA_ASSERT(pContext != NULL);
MA_ASSERT(ppAudioClient != NULL);
MA_ASSERT(ppMMDevice != NULL);
result = ma_context_get_MMDevice__wasapi(pContext, deviceType, pDeviceID, ppMMDevice);
if (result != MA_SUCCESS) {
return result;
}
hr = ma_IMMDevice_Activate(*ppMMDevice, &MA_IID_IAudioClient, CLSCTX_ALL, pActivationParams, (void**)ppAudioClient);
if (FAILED(hr)) {
return ma_result_from_HRESULT(hr);
}
return MA_SUCCESS;
}
#else
static ma_result ma_context_get_IAudioClient_UWP__wasapi(ma_context* pContext, ma_device_type deviceType, const ma_device_id* pDeviceID, MA_PROPVARIANT* pActivationParams, ma_IAudioClient** ppAudioClient, ma_IUnknown** ppActivatedInterface)
{
ma_IActivateAudioInterfaceAsyncOperation *pAsyncOp = NULL;
ma_completion_handler_uwp completionHandler;
IID iid;
WCHAR* iidStr;
HRESULT hr;
ma_result result;
HRESULT activateResult;
ma_IUnknown* pActivatedInterface;
MA_ASSERT(pContext != NULL);
MA_ASSERT(ppAudioClient != NULL);
if (pDeviceID != NULL) {
iidStr = (WCHAR*)pDeviceID->wasapi;
} else {
if (deviceType == ma_device_type_capture) {
iid = MA_IID_DEVINTERFACE_AUDIO_CAPTURE;
} else {
iid = MA_IID_DEVINTERFACE_AUDIO_RENDER;
}
#if defined(__cplusplus)
hr = StringFromIID(iid, &iidStr);
#else
hr = StringFromIID(&iid, &iidStr);
#endif
if (FAILED(hr)) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[WASAPI] Failed to convert device IID to string for ActivateAudioInterfaceAsync(). Out of memory.\n");
return ma_result_from_HRESULT(hr);
}
}
result = ma_completion_handler_uwp_init(&completionHandler);
if (result != MA_SUCCESS) {
ma_CoTaskMemFree(pContext, iidStr);
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[WASAPI] Failed to create event for waiting for ActivateAudioInterfaceAsync().\n");
return result;
}
hr = ((MA_PFN_ActivateAudioInterfaceAsync)pContext->wasapi.ActivateAudioInterfaceAsync)(iidStr, &MA_IID_IAudioClient, pActivationParams, (ma_IActivateAudioInterfaceCompletionHandler*)&completionHandler, (ma_IActivateAudioInterfaceAsyncOperation**)&pAsyncOp);
if (FAILED(hr)) {
ma_completion_handler_uwp_uninit(&completionHandler);
ma_CoTaskMemFree(pContext, iidStr);
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[WASAPI] ActivateAudioInterfaceAsync() failed.\n");
return ma_result_from_HRESULT(hr);
}
if (pDeviceID == NULL) {
ma_CoTaskMemFree(pContext, iidStr);
}
ma_completion_handler_uwp_wait(&completionHandler);
ma_completion_handler_uwp_uninit(&completionHandler);
hr = ma_IActivateAudioInterfaceAsyncOperation_GetActivateResult(pAsyncOp, &activateResult, &pActivatedInterface);
ma_IActivateAudioInterfaceAsyncOperation_Release(pAsyncOp);
if (FAILED(hr) || FAILED(activateResult)) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[WASAPI] Failed to activate device.\n");
return FAILED(hr) ? ma_result_from_HRESULT(hr) : ma_result_from_HRESULT(activateResult);
}
hr = ma_IUnknown_QueryInterface(pActivatedInterface, &MA_IID_IAudioClient, (void**)ppAudioClient);
if (FAILED(hr)) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[WASAPI] Failed to query IAudioClient interface.\n");
return ma_result_from_HRESULT(hr);
}
if (ppActivatedInterface) {
*ppActivatedInterface = pActivatedInterface;
} else {
ma_IUnknown_Release(pActivatedInterface);
}
return MA_SUCCESS;
}
#endif
typedef enum
{
MA_AUDIOCLIENT_ACTIVATION_TYPE_DEFAULT,
MA_AUDIOCLIENT_ACTIVATION_TYPE_PROCESS_LOOPBACK
} MA_AUDIOCLIENT_ACTIVATION_TYPE;
typedef enum
{
MA_PROCESS_LOOPBACK_MODE_INCLUDE_TARGET_PROCESS_TREE,
MA_PROCESS_LOOPBACK_MODE_EXCLUDE_TARGET_PROCESS_TREE
} MA_PROCESS_LOOPBACK_MODE;
typedef struct
{
DWORD TargetProcessId;
MA_PROCESS_LOOPBACK_MODE ProcessLoopbackMode;
} MA_AUDIOCLIENT_PROCESS_LOOPBACK_PARAMS;
#if defined(_MSC_VER) && !defined(__clang__)
#pragma warning(push)
#pragma warning(disable:4201)
#elif defined(__clang__) || (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)))
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wpedantic"
#if defined(__clang__)
#pragma GCC diagnostic ignored "-Wc11-extensions"
#endif
#endif
typedef struct
{
MA_AUDIOCLIENT_ACTIVATION_TYPE ActivationType;
union
{
MA_AUDIOCLIENT_PROCESS_LOOPBACK_PARAMS ProcessLoopbackParams;
};
} MA_AUDIOCLIENT_ACTIVATION_PARAMS;
#if defined(_MSC_VER) && !defined(__clang__)
#pragma warning(pop)
#elif defined(__clang__) || (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8)))
#pragma GCC diagnostic pop
#endif
#define MA_VIRTUAL_AUDIO_DEVICE_PROCESS_LOOPBACK L"VAD\\Process_Loopback"
static ma_result ma_context_get_IAudioClient__wasapi(ma_context* pContext, ma_device_type deviceType, const ma_device_id* pDeviceID, ma_uint32 loopbackProcessID, ma_bool32 loopbackProcessExclude, ma_IAudioClient** ppAudioClient, ma_WASAPIDeviceInterface** ppDeviceInterface)
{
ma_result result;
ma_bool32 usingProcessLoopback = MA_FALSE;
MA_AUDIOCLIENT_ACTIVATION_PARAMS audioclientActivationParams;
MA_PROPVARIANT activationParams;
MA_PROPVARIANT* pActivationParams = NULL;
ma_device_id virtualDeviceID;
if (deviceType == ma_device_type_loopback && loopbackProcessID != 0 && pDeviceID == NULL) {
usingProcessLoopback = MA_TRUE;
}
if (usingProcessLoopback) {
MA_ZERO_OBJECT(&audioclientActivationParams);
audioclientActivationParams.ActivationType = MA_AUDIOCLIENT_ACTIVATION_TYPE_PROCESS_LOOPBACK;
audioclientActivationParams.ProcessLoopbackParams.ProcessLoopbackMode = (loopbackProcessExclude) ? MA_PROCESS_LOOPBACK_MODE_EXCLUDE_TARGET_PROCESS_TREE : MA_PROCESS_LOOPBACK_MODE_INCLUDE_TARGET_PROCESS_TREE;
audioclientActivationParams.ProcessLoopbackParams.TargetProcessId = (DWORD)loopbackProcessID;
ma_PropVariantInit(&activationParams);
activationParams.vt = MA_VT_BLOB;
activationParams.blob.cbSize = sizeof(audioclientActivationParams);
activationParams.blob.pBlobData = (BYTE*)&audioclientActivationParams;
pActivationParams = &activationParams;
MA_COPY_MEMORY(virtualDeviceID.wasapi, MA_VIRTUAL_AUDIO_DEVICE_PROCESS_LOOPBACK, (ma_wcslen(MA_VIRTUAL_AUDIO_DEVICE_PROCESS_LOOPBACK) + 1) * sizeof(wchar_t));
pDeviceID = &virtualDeviceID;
} else {
pActivationParams = NULL;
}
#if defined(MA_WIN32_DESKTOP) || defined(MA_WIN32_GDK)
result = ma_context_get_IAudioClient_Desktop__wasapi(pContext, deviceType, pDeviceID, pActivationParams, ppAudioClient, ppDeviceInterface);
#else
result = ma_context_get_IAudioClient_UWP__wasapi(pContext, deviceType, pDeviceID, pActivationParams, ppAudioClient, ppDeviceInterface);
#endif
if (result != MA_SUCCESS) {
if (usingProcessLoopback) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[WASAPI] Loopback mode requested to %s process ID %u, but initialization failed. Support for this feature begins with Windows 10 Build 20348. Confirm your version of Windows or consider not using process-specific loopback.\n", (loopbackProcessExclude) ? "exclude" : "include", loopbackProcessID);
}
}
return result;
}
static ma_result ma_context_enumerate_devices__wasapi(ma_context* pContext, ma_enum_devices_callback_proc callback, void* pUserData)
{
#if defined(MA_WIN32_DESKTOP) || defined(MA_WIN32_GDK)
HRESULT hr;
ma_IMMDeviceEnumerator* pDeviceEnumerator;
hr = ma_CoCreateInstance(pContext, &MA_CLSID_MMDeviceEnumerator, NULL, CLSCTX_ALL, &MA_IID_IMMDeviceEnumerator, (void**)&pDeviceEnumerator);
if (FAILED(hr)) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[WASAPI] Failed to create device enumerator.");
return ma_result_from_HRESULT(hr);
}
ma_context_enumerate_devices_by_type__wasapi(pContext, pDeviceEnumerator, ma_device_type_playback, callback, pUserData);
ma_context_enumerate_devices_by_type__wasapi(pContext, pDeviceEnumerator, ma_device_type_capture, callback, pUserData);
ma_IMMDeviceEnumerator_Release(pDeviceEnumerator);
#else
if (callback) {
ma_bool32 cbResult = MA_TRUE;
if (cbResult) {
ma_device_info deviceInfo;
MA_ZERO_OBJECT(&deviceInfo);
ma_strncpy_s(deviceInfo.name, sizeof(deviceInfo.name), MA_DEFAULT_PLAYBACK_DEVICE_NAME, (size_t)-1);
deviceInfo.isDefault = MA_TRUE;
cbResult = callback(pContext, ma_device_type_playback, &deviceInfo, pUserData);
}
if (cbResult) {
ma_device_info deviceInfo;
MA_ZERO_OBJECT(&deviceInfo);
ma_strncpy_s(deviceInfo.name, sizeof(deviceInfo.name), MA_DEFAULT_CAPTURE_DEVICE_NAME, (size_t)-1);
deviceInfo.isDefault = MA_TRUE;
cbResult = callback(pContext, ma_device_type_capture, &deviceInfo, pUserData);
}
}
#endif
return MA_SUCCESS;
}
static ma_result ma_context_get_device_info__wasapi(ma_context* pContext, ma_device_type deviceType, const ma_device_id* pDeviceID, ma_device_info* pDeviceInfo)
{
#if defined(MA_WIN32_DESKTOP) || defined(MA_WIN32_GDK)
ma_result result;
ma_IMMDevice* pMMDevice = NULL;
WCHAR* pDefaultDeviceID = NULL;
result = ma_context_get_MMDevice__wasapi(pContext, deviceType, pDeviceID, &pMMDevice);
if (result != MA_SUCCESS) {
return result;
}
pDefaultDeviceID = ma_context_get_default_device_id__wasapi(pContext, deviceType);
result = ma_context_get_device_info_from_MMDevice__wasapi(pContext, pMMDevice, pDefaultDeviceID, MA_FALSE, pDeviceInfo);
if (pDefaultDeviceID != NULL) {
ma_CoTaskMemFree(pContext, pDefaultDeviceID);
pDefaultDeviceID = NULL;
}
ma_IMMDevice_Release(pMMDevice);
return result;
#else
ma_IAudioClient* pAudioClient;
ma_result result;
if (deviceType == ma_device_type_playback) {
ma_strncpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), MA_DEFAULT_PLAYBACK_DEVICE_NAME, (size_t)-1);
} else {
ma_strncpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), MA_DEFAULT_CAPTURE_DEVICE_NAME, (size_t)-1);
}
result = ma_context_get_IAudioClient_UWP__wasapi(pContext, deviceType, pDeviceID, NULL, &pAudioClient, NULL);
if (result != MA_SUCCESS) {
return result;
}
result = ma_context_get_device_info_from_IAudioClient__wasapi(pContext, NULL, pAudioClient, pDeviceInfo);
pDeviceInfo->isDefault = MA_TRUE;
ma_IAudioClient_Release(pAudioClient);
return result;
#endif
}
static ma_result ma_device_uninit__wasapi(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
#if defined(MA_WIN32_DESKTOP) || defined(MA_WIN32_GDK)
{
if (pDevice->wasapi.pDeviceEnumerator) {
((ma_IMMDeviceEnumerator*)pDevice->wasapi.pDeviceEnumerator)->lpVtbl->UnregisterEndpointNotificationCallback((ma_IMMDeviceEnumerator*)pDevice->wasapi.pDeviceEnumerator, &pDevice->wasapi.notificationClient);
ma_IMMDeviceEnumerator_Release((ma_IMMDeviceEnumerator*)pDevice->wasapi.pDeviceEnumerator);
}
ma_mutex_uninit(&pDevice->wasapi.rerouteLock);
}
#endif
if (pDevice->wasapi.pRenderClient) {
if (pDevice->wasapi.pMappedBufferPlayback != NULL) {
ma_IAudioRenderClient_ReleaseBuffer((ma_IAudioRenderClient*)pDevice->wasapi.pRenderClient, pDevice->wasapi.mappedBufferPlaybackCap, 0);
pDevice->wasapi.pMappedBufferPlayback = NULL;
pDevice->wasapi.mappedBufferPlaybackCap = 0;
pDevice->wasapi.mappedBufferPlaybackLen = 0;
}
ma_IAudioRenderClient_Release((ma_IAudioRenderClient*)pDevice->wasapi.pRenderClient);
}
if (pDevice->wasapi.pCaptureClient) {
if (pDevice->wasapi.pMappedBufferCapture != NULL) {
ma_IAudioCaptureClient_ReleaseBuffer((ma_IAudioCaptureClient*)pDevice->wasapi.pCaptureClient, pDevice->wasapi.mappedBufferCaptureCap);
pDevice->wasapi.pMappedBufferCapture = NULL;
pDevice->wasapi.mappedBufferCaptureCap = 0;
pDevice->wasapi.mappedBufferCaptureLen = 0;
}
ma_IAudioCaptureClient_Release((ma_IAudioCaptureClient*)pDevice->wasapi.pCaptureClient);
}
if (pDevice->wasapi.pAudioClientPlayback) {
ma_IAudioClient_Release((ma_IAudioClient*)pDevice->wasapi.pAudioClientPlayback);
}
if (pDevice->wasapi.pAudioClientCapture) {
ma_IAudioClient_Release((ma_IAudioClient*)pDevice->wasapi.pAudioClientCapture);
}
if (pDevice->wasapi.hEventPlayback) {
CloseHandle((HANDLE)pDevice->wasapi.hEventPlayback);
}
if (pDevice->wasapi.hEventCapture) {
CloseHandle((HANDLE)pDevice->wasapi.hEventCapture);
}
return MA_SUCCESS;
}
typedef struct
{
ma_format formatIn;
ma_uint32 channelsIn;
ma_uint32 sampleRateIn;
ma_channel channelMapIn[MA_MAX_CHANNELS];
ma_uint32 periodSizeInFramesIn;
ma_uint32 periodSizeInMillisecondsIn;
ma_uint32 periodsIn;
ma_share_mode shareMode;
ma_performance_profile performanceProfile;
ma_bool32 noAutoConvertSRC;
ma_bool32 noDefaultQualitySRC;
ma_bool32 noHardwareOffloading;
ma_uint32 loopbackProcessID;
ma_bool32 loopbackProcessExclude;
ma_IAudioClient* pAudioClient;
ma_IAudioRenderClient* pRenderClient;
ma_IAudioCaptureClient* pCaptureClient;
ma_format formatOut;
ma_uint32 channelsOut;
ma_uint32 sampleRateOut;
ma_channel channelMapOut[MA_MAX_CHANNELS];
ma_uint32 periodSizeInFramesOut;
ma_uint32 periodsOut;
ma_bool32 usingAudioClient3;
char deviceName[256];
ma_device_id id;
} ma_device_init_internal_data__wasapi;
static ma_result ma_device_init_internal__wasapi(ma_context* pContext, ma_device_type deviceType, const ma_device_id* pDeviceID, ma_device_init_internal_data__wasapi* pData)
{
HRESULT hr;
ma_result result = MA_SUCCESS;
const char* errorMsg = "";
MA_AUDCLNT_SHAREMODE shareMode = MA_AUDCLNT_SHAREMODE_SHARED;
DWORD streamFlags = 0;
MA_REFERENCE_TIME periodDurationInMicroseconds;
ma_bool32 wasInitializedUsingIAudioClient3 = MA_FALSE;
MA_WAVEFORMATEXTENSIBLE wf;
ma_WASAPIDeviceInterface* pDeviceInterface = NULL;
ma_IAudioClient2* pAudioClient2;
ma_uint32 nativeSampleRate;
ma_bool32 usingProcessLoopback = MA_FALSE;
MA_ASSERT(pContext != NULL);
MA_ASSERT(pData != NULL);
if (deviceType == ma_device_type_duplex) {
return MA_INVALID_ARGS;
}
usingProcessLoopback = deviceType == ma_device_type_loopback && pData->loopbackProcessID != 0 && pDeviceID == NULL;
pData->pAudioClient = NULL;
pData->pRenderClient = NULL;
pData->pCaptureClient = NULL;
streamFlags = MA_AUDCLNT_STREAMFLAGS_EVENTCALLBACK;
if (!pData->noAutoConvertSRC && pData->sampleRateIn != 0 && pData->shareMode != ma_share_mode_exclusive) {
streamFlags |= MA_AUDCLNT_STREAMFLAGS_AUTOCONVERTPCM;
}
if (!pData->noDefaultQualitySRC && pData->sampleRateIn != 0 && (streamFlags & MA_AUDCLNT_STREAMFLAGS_AUTOCONVERTPCM) != 0) {
streamFlags |= MA_AUDCLNT_STREAMFLAGS_SRC_DEFAULT_QUALITY;
}
if (deviceType == ma_device_type_loopback) {
streamFlags |= MA_AUDCLNT_STREAMFLAGS_LOOPBACK;
}
result = ma_context_get_IAudioClient__wasapi(pContext, deviceType, pDeviceID, pData->loopbackProcessID, pData->loopbackProcessExclude, &pData->pAudioClient, &pDeviceInterface);
if (result != MA_SUCCESS) {
goto done;
}
MA_ZERO_OBJECT(&wf);
if (!pData->noHardwareOffloading) {
hr = ma_IAudioClient_QueryInterface(pData->pAudioClient, &MA_IID_IAudioClient2, (void**)&pAudioClient2);
if (SUCCEEDED(hr)) {
BOOL isHardwareOffloadingSupported = 0;
hr = ma_IAudioClient2_IsOffloadCapable(pAudioClient2, MA_AudioCategory_Other, &isHardwareOffloadingSupported);
if (SUCCEEDED(hr) && isHardwareOffloadingSupported) {
ma_AudioClientProperties clientProperties;
MA_ZERO_OBJECT(&clientProperties);
clientProperties.cbSize = sizeof(clientProperties);
clientProperties.bIsOffload = 1;
clientProperties.eCategory = MA_AudioCategory_Other;
ma_IAudioClient2_SetClientProperties(pAudioClient2, &clientProperties);
}
pAudioClient2->lpVtbl->Release(pAudioClient2);
}
}
result = MA_FORMAT_NOT_SUPPORTED;
if (pData->shareMode == ma_share_mode_exclusive) {
#if defined(MA_WIN32_DESKTOP) || defined(MA_WIN32_GDK)
ma_IPropertyStore* pStore = NULL;
hr = ma_IMMDevice_OpenPropertyStore(pDeviceInterface, STGM_READ, &pStore);
if (SUCCEEDED(hr)) {
MA_PROPVARIANT prop;
ma_PropVariantInit(&prop);
hr = ma_IPropertyStore_GetValue(pStore, &MA_PKEY_AudioEngine_DeviceFormat, &prop);
if (SUCCEEDED(hr)) {
MA_WAVEFORMATEX* pActualFormat = (MA_WAVEFORMATEX*)prop.blob.pBlobData;
hr = ma_IAudioClient_IsFormatSupported((ma_IAudioClient*)pData->pAudioClient, MA_AUDCLNT_SHAREMODE_EXCLUSIVE, pActualFormat, NULL);
if (SUCCEEDED(hr)) {
MA_COPY_MEMORY(&wf, pActualFormat, sizeof(MA_WAVEFORMATEXTENSIBLE));
}
ma_PropVariantClear(pContext, &prop);
}
ma_IPropertyStore_Release(pStore);
}
#else
hr = S_FALSE;
#endif
if (hr == S_OK) {
shareMode = MA_AUDCLNT_SHAREMODE_EXCLUSIVE;
result = MA_SUCCESS;
} else {
result = MA_SHARE_MODE_NOT_SUPPORTED;
}
} else {
MA_WAVEFORMATEXTENSIBLE* pNativeFormat = NULL;
hr = ma_IAudioClient_GetMixFormat((ma_IAudioClient*)pData->pAudioClient, (MA_WAVEFORMATEX**)&pNativeFormat);
if (hr != S_OK) {
if (usingProcessLoopback) {
wf.wFormatTag = WAVE_FORMAT_IEEE_FLOAT;
wf.nChannels = 2;
wf.nSamplesPerSec = 44100;
wf.wBitsPerSample = 32;
wf.nBlockAlign = wf.nChannels * wf.wBitsPerSample / 8;
wf.nAvgBytesPerSec = wf.nSamplesPerSec * wf.nBlockAlign;
wf.cbSize = sizeof(MA_WAVEFORMATEX);
result = MA_SUCCESS;
} else {
result = MA_FORMAT_NOT_SUPPORTED;
}
} else {
if (pNativeFormat->wFormatTag == WAVE_FORMAT_EXTENSIBLE) {
MA_COPY_MEMORY(&wf, pNativeFormat, sizeof(MA_WAVEFORMATEXTENSIBLE));
} else {
size_t cbSize = pNativeFormat->cbSize;
if (cbSize == 0) {
cbSize = sizeof(MA_WAVEFORMATEX);
}
if (cbSize > sizeof(wf)) {
cbSize = sizeof(wf);
}
MA_COPY_MEMORY(&wf, pNativeFormat, cbSize);
}
result = MA_SUCCESS;
}
ma_CoTaskMemFree(pContext, pNativeFormat);
shareMode = MA_AUDCLNT_SHAREMODE_SHARED;
}
if (result != MA_SUCCESS) {
errorMsg = "[WASAPI] Failed to find best device mix format.";
goto done;
}
nativeSampleRate = wf.nSamplesPerSec;
if (streamFlags & MA_AUDCLNT_STREAMFLAGS_AUTOCONVERTPCM) {
wf.nSamplesPerSec = (pData->sampleRateIn != 0) ? pData->sampleRateIn : MA_DEFAULT_SAMPLE_RATE;
wf.nAvgBytesPerSec = wf.nSamplesPerSec * wf.nBlockAlign;
}
pData->formatOut = ma_format_from_WAVEFORMATEX((MA_WAVEFORMATEX*)&wf);
if (pData->formatOut == ma_format_unknown) {
if (shareMode == MA_AUDCLNT_SHAREMODE_EXCLUSIVE) {
result = MA_SHARE_MODE_NOT_SUPPORTED;
} else {
result = MA_FORMAT_NOT_SUPPORTED;
}
errorMsg = "[WASAPI] Native format not supported.";
goto done;
}
pData->channelsOut = wf.nChannels;
pData->sampleRateOut = wf.nSamplesPerSec;
if (wf.wFormatTag == WAVE_FORMAT_EXTENSIBLE || wf.cbSize >= sizeof(MA_WAVEFORMATEXTENSIBLE)) {
ma_channel_mask_to_channel_map__win32(wf.dwChannelMask, pData->channelsOut, pData->channelMapOut);
} else {
ma_channel_map_init_standard(ma_standard_channel_map_microsoft, pData->channelMapOut, ma_countof(pData->channelMapOut), pData->channelsOut);
}
pData->periodsOut = (pData->periodsIn != 0) ? pData->periodsIn : MA_DEFAULT_PERIODS;
pData->periodSizeInFramesOut = pData->periodSizeInFramesIn;
if (pData->periodSizeInFramesOut == 0) {
if (pData->periodSizeInMillisecondsIn == 0) {
if (pData->performanceProfile == ma_performance_profile_low_latency) {
pData->periodSizeInFramesOut = ma_calculate_buffer_size_in_frames_from_milliseconds(MA_DEFAULT_PERIOD_SIZE_IN_MILLISECONDS_LOW_LATENCY, wf.nSamplesPerSec);
} else {
pData->periodSizeInFramesOut = ma_calculate_buffer_size_in_frames_from_milliseconds(MA_DEFAULT_PERIOD_SIZE_IN_MILLISECONDS_CONSERVATIVE, wf.nSamplesPerSec);
}
} else {
pData->periodSizeInFramesOut = ma_calculate_buffer_size_in_frames_from_milliseconds(pData->periodSizeInMillisecondsIn, wf.nSamplesPerSec);
}
}
periodDurationInMicroseconds = ((ma_uint64)pData->periodSizeInFramesOut * 1000 * 1000) / wf.nSamplesPerSec;
if (shareMode == MA_AUDCLNT_SHAREMODE_EXCLUSIVE) {
MA_REFERENCE_TIME bufferDuration = periodDurationInMicroseconds * pData->periodsOut * 10;
hr = E_FAIL;
for (;;) {
hr = ma_IAudioClient_Initialize((ma_IAudioClient*)pData->pAudioClient, shareMode, streamFlags, bufferDuration, bufferDuration, (MA_WAVEFORMATEX*)&wf, NULL);
if (hr == MA_AUDCLNT_E_INVALID_DEVICE_PERIOD) {
if (bufferDuration > 500*10000) {
break;
} else {
if (bufferDuration == 0) {
break;
}
bufferDuration = bufferDuration * 2;
continue;
}
} else {
break;
}
}
if (hr == MA_AUDCLNT_E_BUFFER_SIZE_NOT_ALIGNED) {
ma_uint32 bufferSizeInFrames;
hr = ma_IAudioClient_GetBufferSize((ma_IAudioClient*)pData->pAudioClient, &bufferSizeInFrames);
if (SUCCEEDED(hr)) {
bufferDuration = (MA_REFERENCE_TIME)((10000.0 * 1000 / wf.nSamplesPerSec * bufferSizeInFrames) + 0.5);
ma_IAudioClient_Release((ma_IAudioClient*)pData->pAudioClient);
#if defined(MA_WIN32_DESKTOP) || defined(MA_WIN32_GDK)
hr = ma_IMMDevice_Activate(pDeviceInterface, &MA_IID_IAudioClient, CLSCTX_ALL, NULL, (void**)&pData->pAudioClient);
#else
hr = ma_IUnknown_QueryInterface(pDeviceInterface, &MA_IID_IAudioClient, (void**)&pData->pAudioClient);
#endif
if (SUCCEEDED(hr)) {
hr = ma_IAudioClient_Initialize((ma_IAudioClient*)pData->pAudioClient, shareMode, streamFlags, bufferDuration, bufferDuration, (MA_WAVEFORMATEX*)&wf, NULL);
}
}
}
if (FAILED(hr)) {
if (hr == E_ACCESSDENIED) {
errorMsg = "[WASAPI] Failed to initialize device in exclusive mode. Access denied.", result = MA_ACCESS_DENIED;
} else if (hr == MA_AUDCLNT_E_DEVICE_IN_USE) {
errorMsg = "[WASAPI] Failed to initialize device in exclusive mode. Device in use.", result = MA_BUSY;
} else {
errorMsg = "[WASAPI] Failed to initialize device in exclusive mode."; result = ma_result_from_HRESULT(hr);
}
goto done;
}
}
if (shareMode == MA_AUDCLNT_SHAREMODE_SHARED) {
#ifndef MA_WASAPI_NO_LOW_LATENCY_SHARED_MODE
{
if ((streamFlags & MA_AUDCLNT_STREAMFLAGS_AUTOCONVERTPCM) == 0 || nativeSampleRate == wf.nSamplesPerSec) {
ma_IAudioClient3* pAudioClient3 = NULL;
hr = ma_IAudioClient_QueryInterface(pData->pAudioClient, &MA_IID_IAudioClient3, (void**)&pAudioClient3);
if (SUCCEEDED(hr)) {
ma_uint32 defaultPeriodInFrames;
ma_uint32 fundamentalPeriodInFrames;
ma_uint32 minPeriodInFrames;
ma_uint32 maxPeriodInFrames;
hr = ma_IAudioClient3_GetSharedModeEnginePeriod(pAudioClient3, (MA_WAVEFORMATEX*)&wf, &defaultPeriodInFrames, &fundamentalPeriodInFrames, &minPeriodInFrames, &maxPeriodInFrames);
if (SUCCEEDED(hr)) {
ma_uint32 desiredPeriodInFrames = pData->periodSizeInFramesOut;
ma_uint32 actualPeriodInFrames = desiredPeriodInFrames;
actualPeriodInFrames = actualPeriodInFrames / fundamentalPeriodInFrames;
actualPeriodInFrames = actualPeriodInFrames * fundamentalPeriodInFrames;
actualPeriodInFrames = ma_clamp(actualPeriodInFrames, minPeriodInFrames, maxPeriodInFrames);
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_DEBUG, "[WASAPI] Trying IAudioClient3_InitializeSharedAudioStream(actualPeriodInFrames=%d)\n", actualPeriodInFrames);
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_DEBUG, " defaultPeriodInFrames=%d\n", defaultPeriodInFrames);
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_DEBUG, " fundamentalPeriodInFrames=%d\n", fundamentalPeriodInFrames);
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_DEBUG, " minPeriodInFrames=%d\n", minPeriodInFrames);
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_DEBUG, " maxPeriodInFrames=%d\n", maxPeriodInFrames);
if (actualPeriodInFrames >= desiredPeriodInFrames) {
hr = ma_IAudioClient3_InitializeSharedAudioStream(pAudioClient3, streamFlags & ~(MA_AUDCLNT_STREAMFLAGS_AUTOCONVERTPCM | MA_AUDCLNT_STREAMFLAGS_SRC_DEFAULT_QUALITY), actualPeriodInFrames, (MA_WAVEFORMATEX*)&wf, NULL);
if (SUCCEEDED(hr)) {
wasInitializedUsingIAudioClient3 = MA_TRUE;
pData->periodSizeInFramesOut = actualPeriodInFrames;
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_DEBUG, "[WASAPI] Using IAudioClient3\n");
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_DEBUG, " periodSizeInFramesOut=%d\n", pData->periodSizeInFramesOut);
} else {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_DEBUG, "[WASAPI] IAudioClient3_InitializeSharedAudioStream failed. Falling back to IAudioClient.\n");
}
} else {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_DEBUG, "[WASAPI] Not using IAudioClient3 because the desired period size is larger than the maximum supported by IAudioClient3.\n");
}
} else {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_DEBUG, "[WASAPI] IAudioClient3_GetSharedModeEnginePeriod failed. Falling back to IAudioClient.\n");
}
ma_IAudioClient3_Release(pAudioClient3);
pAudioClient3 = NULL;
}
}
}
#else
{
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_DEBUG, "[WASAPI] Not using IAudioClient3 because MA_WASAPI_NO_LOW_LATENCY_SHARED_MODE is enabled.\n");
}
#endif
if (!wasInitializedUsingIAudioClient3) {
MA_REFERENCE_TIME bufferDuration = periodDurationInMicroseconds * pData->periodsOut * 10;
hr = ma_IAudioClient_Initialize((ma_IAudioClient*)pData->pAudioClient, shareMode, streamFlags, bufferDuration, 0, (const MA_WAVEFORMATEX*)&wf, NULL);
if (FAILED(hr)) {
if (hr == E_ACCESSDENIED) {
errorMsg = "[WASAPI] Failed to initialize device. Access denied.", result = MA_ACCESS_DENIED;
} else if (hr == MA_AUDCLNT_E_DEVICE_IN_USE) {
errorMsg = "[WASAPI] Failed to initialize device. Device in use.", result = MA_BUSY;
} else {
errorMsg = "[WASAPI] Failed to initialize device.", result = ma_result_from_HRESULT(hr);
}
goto done;
}
}
}
if (!wasInitializedUsingIAudioClient3) {
ma_uint32 bufferSizeInFrames = 0;
hr = ma_IAudioClient_GetBufferSize((ma_IAudioClient*)pData->pAudioClient, &bufferSizeInFrames);
if (FAILED(hr)) {
errorMsg = "[WASAPI] Failed to get audio client's actual buffer size.", result = ma_result_from_HRESULT(hr);
goto done;
}
if (usingProcessLoopback) {
bufferSizeInFrames = (ma_uint32)((periodDurationInMicroseconds * pData->periodsOut) * pData->sampleRateOut / 1000000);
}
pData->periodSizeInFramesOut = bufferSizeInFrames / pData->periodsOut;
}
pData->usingAudioClient3 = wasInitializedUsingIAudioClient3;
if (deviceType == ma_device_type_playback) {
result = ma_device_create_IAudioClient_service__wasapi(pContext, deviceType, (ma_IAudioClient*)pData->pAudioClient, (void**)&pData->pRenderClient);
} else {
result = ma_device_create_IAudioClient_service__wasapi(pContext, deviceType, (ma_IAudioClient*)pData->pAudioClient, (void**)&pData->pCaptureClient);
}
if (result != MA_SUCCESS) {
errorMsg = "[WASAPI] Failed to get audio client service.";
goto done;
}
#if defined(MA_WIN32_DESKTOP) || defined(MA_WIN32_GDK)
{
ma_IPropertyStore *pProperties;
hr = ma_IMMDevice_OpenPropertyStore(pDeviceInterface, STGM_READ, &pProperties);
if (SUCCEEDED(hr)) {
MA_PROPVARIANT varName;
ma_PropVariantInit(&varName);
hr = ma_IPropertyStore_GetValue(pProperties, &MA_PKEY_Device_FriendlyName, &varName);
if (SUCCEEDED(hr)) {
WideCharToMultiByte(CP_UTF8, 0, varName.pwszVal, -1, pData->deviceName, sizeof(pData->deviceName), 0, FALSE);
ma_PropVariantClear(pContext, &varName);
}
ma_IPropertyStore_Release(pProperties);
}
}
#endif
#if defined(MA_WIN32_DESKTOP) || defined(MA_WIN32_GDK)
{
ma_context_get_device_id_from_MMDevice__wasapi(pContext, pDeviceInterface, &pData->id);
}
#else
{
}
#endif
done:
#if defined(MA_WIN32_DESKTOP) || defined(MA_WIN32_GDK)
if (pDeviceInterface != NULL) {
ma_IMMDevice_Release(pDeviceInterface);
}
#else
if (pDeviceInterface != NULL) {
ma_IUnknown_Release(pDeviceInterface);
}
#endif
if (result != MA_SUCCESS) {
if (pData->pRenderClient) {
ma_IAudioRenderClient_Release((ma_IAudioRenderClient*)pData->pRenderClient);
pData->pRenderClient = NULL;
}
if (pData->pCaptureClient) {
ma_IAudioCaptureClient_Release((ma_IAudioCaptureClient*)pData->pCaptureClient);
pData->pCaptureClient = NULL;
}
if (pData->pAudioClient) {
ma_IAudioClient_Release((ma_IAudioClient*)pData->pAudioClient);
pData->pAudioClient = NULL;
}
if (errorMsg != NULL && errorMsg[0] != '\0') {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "%s\n", errorMsg);
}
return result;
} else {
return MA_SUCCESS;
}
}
static ma_result ma_device_reinit__wasapi(ma_device* pDevice, ma_device_type deviceType)
{
ma_device_init_internal_data__wasapi data;
ma_result result;
MA_ASSERT(pDevice != NULL);
if (deviceType == ma_device_type_duplex) {
return MA_INVALID_ARGS;
}
if (deviceType == ma_device_type_capture || deviceType == ma_device_type_loopback) {
if (pDevice->wasapi.pCaptureClient) {
ma_IAudioCaptureClient_Release((ma_IAudioCaptureClient*)pDevice->wasapi.pCaptureClient);
pDevice->wasapi.pCaptureClient = NULL;
}
if (pDevice->wasapi.pAudioClientCapture) {
pDevice->wasapi.pAudioClientCapture = NULL;
}
}
if (deviceType == ma_device_type_playback) {
if (pDevice->wasapi.pRenderClient) {
ma_IAudioRenderClient_Release((ma_IAudioRenderClient*)pDevice->wasapi.pRenderClient);
pDevice->wasapi.pRenderClient = NULL;
}
if (pDevice->wasapi.pAudioClientPlayback) {
pDevice->wasapi.pAudioClientPlayback = NULL;
}
}
if (deviceType == ma_device_type_playback) {
data.formatIn = pDevice->playback.format;
data.channelsIn = pDevice->playback.channels;
MA_COPY_MEMORY(data.channelMapIn, pDevice->playback.channelMap, sizeof(pDevice->playback.channelMap));
data.shareMode = pDevice->playback.shareMode;
} else {
data.formatIn = pDevice->capture.format;
data.channelsIn = pDevice->capture.channels;
MA_COPY_MEMORY(data.channelMapIn, pDevice->capture.channelMap, sizeof(pDevice->capture.channelMap));
data.shareMode = pDevice->capture.shareMode;
}
data.sampleRateIn = pDevice->sampleRate;
data.periodSizeInFramesIn = pDevice->wasapi.originalPeriodSizeInFrames;
data.periodSizeInMillisecondsIn = pDevice->wasapi.originalPeriodSizeInMilliseconds;
data.periodsIn = pDevice->wasapi.originalPeriods;
data.performanceProfile = pDevice->wasapi.originalPerformanceProfile;
data.noAutoConvertSRC = pDevice->wasapi.noAutoConvertSRC;
data.noDefaultQualitySRC = pDevice->wasapi.noDefaultQualitySRC;
data.noHardwareOffloading = pDevice->wasapi.noHardwareOffloading;
data.loopbackProcessID = pDevice->wasapi.loopbackProcessID;
data.loopbackProcessExclude = pDevice->wasapi.loopbackProcessExclude;
result = ma_device_init_internal__wasapi(pDevice->pContext, deviceType, NULL, &data);
if (result != MA_SUCCESS) {
return result;
}
if (deviceType == ma_device_type_capture || deviceType == ma_device_type_loopback) {
pDevice->wasapi.pAudioClientCapture = data.pAudioClient;
pDevice->wasapi.pCaptureClient = data.pCaptureClient;
pDevice->capture.internalFormat = data.formatOut;
pDevice->capture.internalChannels = data.channelsOut;
pDevice->capture.internalSampleRate = data.sampleRateOut;
MA_COPY_MEMORY(pDevice->capture.internalChannelMap, data.channelMapOut, sizeof(data.channelMapOut));
pDevice->capture.internalPeriodSizeInFrames = data.periodSizeInFramesOut;
pDevice->capture.internalPeriods = data.periodsOut;
ma_strcpy_s(pDevice->capture.name, sizeof(pDevice->capture.name), data.deviceName);
ma_IAudioClient_SetEventHandle((ma_IAudioClient*)pDevice->wasapi.pAudioClientCapture, (HANDLE)pDevice->wasapi.hEventCapture);
pDevice->wasapi.periodSizeInFramesCapture = data.periodSizeInFramesOut;
ma_IAudioClient_GetBufferSize((ma_IAudioClient*)pDevice->wasapi.pAudioClientCapture, &pDevice->wasapi.actualBufferSizeInFramesCapture);
ma_strcpy_s_WCHAR(pDevice->capture.id.wasapi, sizeof(pDevice->capture.id.wasapi), data.id.wasapi);
}
if (deviceType == ma_device_type_playback) {
pDevice->wasapi.pAudioClientPlayback = data.pAudioClient;
pDevice->wasapi.pRenderClient = data.pRenderClient;
pDevice->playback.internalFormat = data.formatOut;
pDevice->playback.internalChannels = data.channelsOut;
pDevice->playback.internalSampleRate = data.sampleRateOut;
MA_COPY_MEMORY(pDevice->playback.internalChannelMap, data.channelMapOut, sizeof(data.channelMapOut));
pDevice->playback.internalPeriodSizeInFrames = data.periodSizeInFramesOut;
pDevice->playback.internalPeriods = data.periodsOut;
ma_strcpy_s(pDevice->playback.name, sizeof(pDevice->playback.name), data.deviceName);
ma_IAudioClient_SetEventHandle((ma_IAudioClient*)pDevice->wasapi.pAudioClientPlayback, (HANDLE)pDevice->wasapi.hEventPlayback);
pDevice->wasapi.periodSizeInFramesPlayback = data.periodSizeInFramesOut;
ma_IAudioClient_GetBufferSize((ma_IAudioClient*)pDevice->wasapi.pAudioClientPlayback, &pDevice->wasapi.actualBufferSizeInFramesPlayback);
ma_strcpy_s_WCHAR(pDevice->playback.id.wasapi, sizeof(pDevice->playback.id.wasapi), data.id.wasapi);
}
return MA_SUCCESS;
}
static ma_result ma_device_init__wasapi(ma_device* pDevice, const ma_device_config* pConfig, ma_device_descriptor* pDescriptorPlayback, ma_device_descriptor* pDescriptorCapture)
{
ma_result result = MA_SUCCESS;
#if defined(MA_WIN32_DESKTOP) || defined(MA_WIN32_GDK)
HRESULT hr;
ma_IMMDeviceEnumerator* pDeviceEnumerator;
#endif
MA_ASSERT(pDevice != NULL);
MA_ZERO_OBJECT(&pDevice->wasapi);
pDevice->wasapi.usage = pConfig->wasapi.usage;
pDevice->wasapi.noAutoConvertSRC = pConfig->wasapi.noAutoConvertSRC;
pDevice->wasapi.noDefaultQualitySRC = pConfig->wasapi.noDefaultQualitySRC;
pDevice->wasapi.noHardwareOffloading = pConfig->wasapi.noHardwareOffloading;
pDevice->wasapi.loopbackProcessID = pConfig->wasapi.loopbackProcessID;
pDevice->wasapi.loopbackProcessExclude = pConfig->wasapi.loopbackProcessExclude;
if (pConfig->deviceType == ma_device_type_loopback && pConfig->playback.shareMode == ma_share_mode_exclusive) {
return MA_INVALID_DEVICE_CONFIG;
}
if (pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex || pConfig->deviceType == ma_device_type_loopback) {
ma_device_init_internal_data__wasapi data;
data.formatIn = pDescriptorCapture->format;
data.channelsIn = pDescriptorCapture->channels;
data.sampleRateIn = pDescriptorCapture->sampleRate;
MA_COPY_MEMORY(data.channelMapIn, pDescriptorCapture->channelMap, sizeof(pDescriptorCapture->channelMap));
data.periodSizeInFramesIn = pDescriptorCapture->periodSizeInFrames;
data.periodSizeInMillisecondsIn = pDescriptorCapture->periodSizeInMilliseconds;
data.periodsIn = pDescriptorCapture->periodCount;
data.shareMode = pDescriptorCapture->shareMode;
data.performanceProfile = pConfig->performanceProfile;
data.noAutoConvertSRC = pConfig->wasapi.noAutoConvertSRC;
data.noDefaultQualitySRC = pConfig->wasapi.noDefaultQualitySRC;
data.noHardwareOffloading = pConfig->wasapi.noHardwareOffloading;
data.loopbackProcessID = pConfig->wasapi.loopbackProcessID;
data.loopbackProcessExclude = pConfig->wasapi.loopbackProcessExclude;
result = ma_device_init_internal__wasapi(pDevice->pContext, (pConfig->deviceType == ma_device_type_loopback) ? ma_device_type_loopback : ma_device_type_capture, pDescriptorCapture->pDeviceID, &data);
if (result != MA_SUCCESS) {
return result;
}
pDevice->wasapi.pAudioClientCapture = data.pAudioClient;
pDevice->wasapi.pCaptureClient = data.pCaptureClient;
pDevice->wasapi.originalPeriodSizeInMilliseconds = pDescriptorCapture->periodSizeInMilliseconds;
pDevice->wasapi.originalPeriodSizeInFrames = pDescriptorCapture->periodSizeInFrames;
pDevice->wasapi.originalPeriods = pDescriptorCapture->periodCount;
pDevice->wasapi.originalPerformanceProfile = pConfig->performanceProfile;
pDevice->wasapi.hEventCapture = (ma_handle)CreateEventA(NULL, FALSE, FALSE, NULL);
if (pDevice->wasapi.hEventCapture == NULL) {
result = ma_result_from_GetLastError(GetLastError());
if (pDevice->wasapi.pCaptureClient != NULL) {
ma_IAudioCaptureClient_Release((ma_IAudioCaptureClient*)pDevice->wasapi.pCaptureClient);
pDevice->wasapi.pCaptureClient = NULL;
}
if (pDevice->wasapi.pAudioClientCapture != NULL) {
ma_IAudioClient_Release((ma_IAudioClient*)pDevice->wasapi.pAudioClientCapture);
pDevice->wasapi.pAudioClientCapture = NULL;
}
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[WASAPI] Failed to create event for capture.");
return result;
}
ma_IAudioClient_SetEventHandle((ma_IAudioClient*)pDevice->wasapi.pAudioClientCapture, (HANDLE)pDevice->wasapi.hEventCapture);
pDevice->wasapi.periodSizeInFramesCapture = data.periodSizeInFramesOut;
ma_IAudioClient_GetBufferSize((ma_IAudioClient*)pDevice->wasapi.pAudioClientCapture, &pDevice->wasapi.actualBufferSizeInFramesCapture);
ma_strcpy_s_WCHAR(pDevice->capture.id.wasapi, sizeof(pDevice->capture.id.wasapi), data.id.wasapi);
pDescriptorCapture->format = data.formatOut;
pDescriptorCapture->channels = data.channelsOut;
pDescriptorCapture->sampleRate = data.sampleRateOut;
MA_COPY_MEMORY(pDescriptorCapture->channelMap, data.channelMapOut, sizeof(data.channelMapOut));
pDescriptorCapture->periodSizeInFrames = data.periodSizeInFramesOut;
pDescriptorCapture->periodCount = data.periodsOut;
}
if (pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex) {
ma_device_init_internal_data__wasapi data;
data.formatIn = pDescriptorPlayback->format;
data.channelsIn = pDescriptorPlayback->channels;
data.sampleRateIn = pDescriptorPlayback->sampleRate;
MA_COPY_MEMORY(data.channelMapIn, pDescriptorPlayback->channelMap, sizeof(pDescriptorPlayback->channelMap));
data.periodSizeInFramesIn = pDescriptorPlayback->periodSizeInFrames;
data.periodSizeInMillisecondsIn = pDescriptorPlayback->periodSizeInMilliseconds;
data.periodsIn = pDescriptorPlayback->periodCount;
data.shareMode = pDescriptorPlayback->shareMode;
data.performanceProfile = pConfig->performanceProfile;
data.noAutoConvertSRC = pConfig->wasapi.noAutoConvertSRC;
data.noDefaultQualitySRC = pConfig->wasapi.noDefaultQualitySRC;
data.noHardwareOffloading = pConfig->wasapi.noHardwareOffloading;
data.loopbackProcessID = pConfig->wasapi.loopbackProcessID;
data.loopbackProcessExclude = pConfig->wasapi.loopbackProcessExclude;
result = ma_device_init_internal__wasapi(pDevice->pContext, ma_device_type_playback, pDescriptorPlayback->pDeviceID, &data);
if (result != MA_SUCCESS) {
if (pConfig->deviceType == ma_device_type_duplex) {
if (pDevice->wasapi.pCaptureClient != NULL) {
ma_IAudioCaptureClient_Release((ma_IAudioCaptureClient*)pDevice->wasapi.pCaptureClient);
pDevice->wasapi.pCaptureClient = NULL;
}
if (pDevice->wasapi.pAudioClientCapture != NULL) {
ma_IAudioClient_Release((ma_IAudioClient*)pDevice->wasapi.pAudioClientCapture);
pDevice->wasapi.pAudioClientCapture = NULL;
}
CloseHandle((HANDLE)pDevice->wasapi.hEventCapture);
pDevice->wasapi.hEventCapture = NULL;
}
return result;
}
pDevice->wasapi.pAudioClientPlayback = data.pAudioClient;
pDevice->wasapi.pRenderClient = data.pRenderClient;
pDevice->wasapi.originalPeriodSizeInMilliseconds = pDescriptorPlayback->periodSizeInMilliseconds;
pDevice->wasapi.originalPeriodSizeInFrames = pDescriptorPlayback->periodSizeInFrames;
pDevice->wasapi.originalPeriods = pDescriptorPlayback->periodCount;
pDevice->wasapi.originalPerformanceProfile = pConfig->performanceProfile;
pDevice->wasapi.hEventPlayback = (ma_handle)CreateEventA(NULL, FALSE, TRUE, NULL);
if (pDevice->wasapi.hEventPlayback == NULL) {
result = ma_result_from_GetLastError(GetLastError());
if (pConfig->deviceType == ma_device_type_duplex) {
if (pDevice->wasapi.pCaptureClient != NULL) {
ma_IAudioCaptureClient_Release((ma_IAudioCaptureClient*)pDevice->wasapi.pCaptureClient);
pDevice->wasapi.pCaptureClient = NULL;
}
if (pDevice->wasapi.pAudioClientCapture != NULL) {
ma_IAudioClient_Release((ma_IAudioClient*)pDevice->wasapi.pAudioClientCapture);
pDevice->wasapi.pAudioClientCapture = NULL;
}
CloseHandle((HANDLE)pDevice->wasapi.hEventCapture);
pDevice->wasapi.hEventCapture = NULL;
}
if (pDevice->wasapi.pRenderClient != NULL) {
ma_IAudioRenderClient_Release((ma_IAudioRenderClient*)pDevice->wasapi.pRenderClient);
pDevice->wasapi.pRenderClient = NULL;
}
if (pDevice->wasapi.pAudioClientPlayback != NULL) {
ma_IAudioClient_Release((ma_IAudioClient*)pDevice->wasapi.pAudioClientPlayback);
pDevice->wasapi.pAudioClientPlayback = NULL;
}
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[WASAPI] Failed to create event for playback.");
return result;
}
ma_IAudioClient_SetEventHandle((ma_IAudioClient*)pDevice->wasapi.pAudioClientPlayback, (HANDLE)pDevice->wasapi.hEventPlayback);
pDevice->wasapi.periodSizeInFramesPlayback = data.periodSizeInFramesOut;
ma_IAudioClient_GetBufferSize((ma_IAudioClient*)pDevice->wasapi.pAudioClientPlayback, &pDevice->wasapi.actualBufferSizeInFramesPlayback);
ma_strcpy_s_WCHAR(pDevice->playback.id.wasapi, sizeof(pDevice->playback.id.wasapi), data.id.wasapi);
pDescriptorPlayback->format = data.formatOut;
pDescriptorPlayback->channels = data.channelsOut;
pDescriptorPlayback->sampleRate = data.sampleRateOut;
MA_COPY_MEMORY(pDescriptorPlayback->channelMap, data.channelMapOut, sizeof(data.channelMapOut));
pDescriptorPlayback->periodSizeInFrames = data.periodSizeInFramesOut;
pDescriptorPlayback->periodCount = data.periodsOut;
}
#if defined(MA_WIN32_DESKTOP) || defined(MA_WIN32_GDK)
if (pConfig->wasapi.noAutoStreamRouting == MA_FALSE) {
if ((pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex || pConfig->deviceType == ma_device_type_loopback) && pConfig->capture.pDeviceID == NULL) {
pDevice->wasapi.allowCaptureAutoStreamRouting = MA_TRUE;
}
if ((pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex) && pConfig->playback.pDeviceID == NULL) {
pDevice->wasapi.allowPlaybackAutoStreamRouting = MA_TRUE;
}
}
ma_mutex_init(&pDevice->wasapi.rerouteLock);
hr = ma_CoCreateInstance(pDevice->pContext, &MA_CLSID_MMDeviceEnumerator, NULL, CLSCTX_ALL, &MA_IID_IMMDeviceEnumerator, (void**)&pDeviceEnumerator);
if (FAILED(hr)) {
ma_device_uninit__wasapi(pDevice);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[WASAPI] Failed to create device enumerator.");
return ma_result_from_HRESULT(hr);
}
pDevice->wasapi.notificationClient.lpVtbl = (void*)&g_maNotificationCientVtbl;
pDevice->wasapi.notificationClient.counter = 1;
pDevice->wasapi.notificationClient.pDevice = pDevice;
hr = pDeviceEnumerator->lpVtbl->RegisterEndpointNotificationCallback(pDeviceEnumerator, &pDevice->wasapi.notificationClient);
if (SUCCEEDED(hr)) {
pDevice->wasapi.pDeviceEnumerator = (ma_ptr)pDeviceEnumerator;
} else {
ma_IMMDeviceEnumerator_Release(pDeviceEnumerator);
}
#endif
ma_atomic_bool32_set(&pDevice->wasapi.isStartedCapture, MA_FALSE);
ma_atomic_bool32_set(&pDevice->wasapi.isStartedPlayback, MA_FALSE);
return MA_SUCCESS;
}
static ma_result ma_device__get_available_frames__wasapi(ma_device* pDevice, ma_IAudioClient* pAudioClient, ma_uint32* pFrameCount)
{
ma_uint32 paddingFramesCount;
HRESULT hr;
ma_share_mode shareMode;
MA_ASSERT(pDevice != NULL);
MA_ASSERT(pFrameCount != NULL);
*pFrameCount = 0;
if ((ma_ptr)pAudioClient != pDevice->wasapi.pAudioClientPlayback && (ma_ptr)pAudioClient != pDevice->wasapi.pAudioClientCapture) {
return MA_INVALID_OPERATION;
}
shareMode = ((ma_ptr)pAudioClient == pDevice->wasapi.pAudioClientPlayback) ? pDevice->playback.shareMode : pDevice->capture.shareMode;
if (shareMode == ma_share_mode_shared) {
hr = ma_IAudioClient_GetCurrentPadding(pAudioClient, &paddingFramesCount);
if (FAILED(hr)) {
return ma_result_from_HRESULT(hr);
}
if ((ma_ptr)pAudioClient == pDevice->wasapi.pAudioClientPlayback) {
*pFrameCount = pDevice->wasapi.actualBufferSizeInFramesPlayback - paddingFramesCount;
} else {
*pFrameCount = paddingFramesCount;
}
} else {
if ((ma_ptr)pAudioClient == pDevice->wasapi.pAudioClientPlayback) {
*pFrameCount = pDevice->wasapi.actualBufferSizeInFramesPlayback;
} else {
*pFrameCount = pDevice->wasapi.actualBufferSizeInFramesCapture;
}
}
return MA_SUCCESS;
}
static ma_result ma_device_reroute__wasapi(ma_device* pDevice, ma_device_type deviceType)
{
ma_result result;
if (deviceType == ma_device_type_duplex) {
return MA_INVALID_ARGS;
}
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "=== CHANGING DEVICE ===\n");
result = ma_device_reinit__wasapi(pDevice, deviceType);
if (result != MA_SUCCESS) {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_WARNING, "[WASAPI] Reinitializing device after route change failed.\n");
return result;
}
ma_device__post_init_setup(pDevice, deviceType);
ma_device__on_notification_rerouted(pDevice);
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "=== DEVICE CHANGED ===\n");
return MA_SUCCESS;
}
static ma_result ma_device_start__wasapi_nolock(ma_device* pDevice)
{
HRESULT hr;
if (pDevice->pContext->wasapi.hAvrt) {
const char* pTaskName = ma_to_usage_string__wasapi(pDevice->wasapi.usage);
if (pTaskName) {
DWORD idx = 0;
pDevice->wasapi.hAvrtHandle = (ma_handle)((MA_PFN_AvSetMmThreadCharacteristicsA)pDevice->pContext->wasapi.AvSetMmThreadCharacteristicsA)(pTaskName, &idx);
}
}
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex || pDevice->type == ma_device_type_loopback) {
hr = ma_IAudioClient_Start((ma_IAudioClient*)pDevice->wasapi.pAudioClientCapture);
if (FAILED(hr)) {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[WASAPI] Failed to start internal capture device. HRESULT = %d.", (int)hr);
return ma_result_from_HRESULT(hr);
}
ma_atomic_bool32_set(&pDevice->wasapi.isStartedCapture, MA_TRUE);
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
hr = ma_IAudioClient_Start((ma_IAudioClient*)pDevice->wasapi.pAudioClientPlayback);
if (FAILED(hr)) {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[WASAPI] Failed to start internal playback device. HRESULT = %d.", (int)hr);
return ma_result_from_HRESULT(hr);
}
ma_atomic_bool32_set(&pDevice->wasapi.isStartedPlayback, MA_TRUE);
}
return MA_SUCCESS;
}
static ma_result ma_device_start__wasapi(ma_device* pDevice)
{
ma_result result;
MA_ASSERT(pDevice != NULL);
ma_mutex_lock(&pDevice->wasapi.rerouteLock);
{
result = ma_device_start__wasapi_nolock(pDevice);
}
ma_mutex_unlock(&pDevice->wasapi.rerouteLock);
return result;
}
static ma_result ma_device_stop__wasapi_nolock(ma_device* pDevice)
{
ma_result result;
HRESULT hr;
MA_ASSERT(pDevice != NULL);
if (pDevice->wasapi.hAvrtHandle) {
((MA_PFN_AvRevertMmThreadCharacteristics)pDevice->pContext->wasapi.AvRevertMmThreadcharacteristics)((HANDLE)pDevice->wasapi.hAvrtHandle);
pDevice->wasapi.hAvrtHandle = NULL;
}
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex || pDevice->type == ma_device_type_loopback) {
if (pDevice->wasapi.pMappedBufferCapture != NULL) {
ma_IAudioCaptureClient_ReleaseBuffer((ma_IAudioCaptureClient*)pDevice->wasapi.pCaptureClient, pDevice->wasapi.mappedBufferCaptureCap);
pDevice->wasapi.pMappedBufferCapture = NULL;
pDevice->wasapi.mappedBufferCaptureCap = 0;
pDevice->wasapi.mappedBufferCaptureLen = 0;
}
hr = ma_IAudioClient_Stop((ma_IAudioClient*)pDevice->wasapi.pAudioClientCapture);
if (FAILED(hr)) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[WASAPI] Failed to stop internal capture device.");
return ma_result_from_HRESULT(hr);
}
hr = ma_IAudioClient_Reset((ma_IAudioClient*)pDevice->wasapi.pAudioClientCapture);
if (FAILED(hr)) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[WASAPI] Failed to reset internal capture device.");
return ma_result_from_HRESULT(hr);
}
ma_atomic_bool32_set(&pDevice->wasapi.isStartedCapture, MA_FALSE);
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
if (pDevice->wasapi.pMappedBufferPlayback != NULL) {
ma_silence_pcm_frames(
ma_offset_pcm_frames_ptr(pDevice->wasapi.pMappedBufferPlayback, pDevice->wasapi.mappedBufferPlaybackLen, pDevice->playback.internalFormat, pDevice->playback.internalChannels),
pDevice->wasapi.mappedBufferPlaybackCap - pDevice->wasapi.mappedBufferPlaybackLen,
pDevice->playback.internalFormat, pDevice->playback.internalChannels
);
ma_IAudioRenderClient_ReleaseBuffer((ma_IAudioRenderClient*)pDevice->wasapi.pRenderClient, pDevice->wasapi.mappedBufferPlaybackCap, 0);
pDevice->wasapi.pMappedBufferPlayback = NULL;
pDevice->wasapi.mappedBufferPlaybackCap = 0;
pDevice->wasapi.mappedBufferPlaybackLen = 0;
}
if (ma_atomic_bool32_get(&pDevice->wasapi.isStartedPlayback)) {
DWORD waitTime = (pDevice->wasapi.actualBufferSizeInFramesPlayback * 1000) / pDevice->playback.internalSampleRate;
if (pDevice->playback.shareMode == ma_share_mode_exclusive) {
WaitForSingleObject((HANDLE)pDevice->wasapi.hEventPlayback, waitTime);
} else {
ma_uint32 prevFramesAvailablePlayback = (ma_uint32)-1;
ma_uint32 framesAvailablePlayback;
for (;;) {
result = ma_device__get_available_frames__wasapi(pDevice, (ma_IAudioClient*)pDevice->wasapi.pAudioClientPlayback, &framesAvailablePlayback);
if (result != MA_SUCCESS) {
break;
}
if (framesAvailablePlayback >= pDevice->wasapi.actualBufferSizeInFramesPlayback) {
break;
}
if (framesAvailablePlayback == prevFramesAvailablePlayback) {
break;
}
prevFramesAvailablePlayback = framesAvailablePlayback;
ResetEvent((HANDLE)pDevice->wasapi.hEventPlayback);
WaitForSingleObject((HANDLE)pDevice->wasapi.hEventPlayback, waitTime);
}
}
}
hr = ma_IAudioClient_Stop((ma_IAudioClient*)pDevice->wasapi.pAudioClientPlayback);
if (FAILED(hr)) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[WASAPI] Failed to stop internal playback device.");
return ma_result_from_HRESULT(hr);
}
{
ma_int32 retries = 5;
while ((hr = ma_IAudioClient_Reset((ma_IAudioClient*)pDevice->wasapi.pAudioClientPlayback)) == MA_AUDCLNT_E_BUFFER_OPERATION_PENDING && retries > 0) {
ma_sleep(10);
retries -= 1;
}
}
if (FAILED(hr)) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[WASAPI] Failed to reset internal playback device.");
return ma_result_from_HRESULT(hr);
}
ma_atomic_bool32_set(&pDevice->wasapi.isStartedPlayback, MA_FALSE);
}
return MA_SUCCESS;
}
static ma_result ma_device_stop__wasapi(ma_device* pDevice)
{
ma_result result;
MA_ASSERT(pDevice != NULL);
ma_mutex_lock(&pDevice->wasapi.rerouteLock);
{
result = ma_device_stop__wasapi_nolock(pDevice);
}
ma_mutex_unlock(&pDevice->wasapi.rerouteLock);
return result;
}
#ifndef MA_WASAPI_WAIT_TIMEOUT_MILLISECONDS
#define MA_WASAPI_WAIT_TIMEOUT_MILLISECONDS 5000
#endif
static ma_result ma_device_read__wasapi(ma_device* pDevice, void* pFrames, ma_uint32 frameCount, ma_uint32* pFramesRead)
{
ma_result result = MA_SUCCESS;
ma_uint32 totalFramesProcessed = 0;
while (ma_device_get_state(pDevice) == ma_device_state_started && totalFramesProcessed < frameCount) {
ma_uint32 framesRemaining = frameCount - totalFramesProcessed;
if (pDevice->wasapi.pMappedBufferCapture != NULL) {
ma_uint32 framesToProcessNow = framesRemaining;
if (framesToProcessNow > pDevice->wasapi.mappedBufferCaptureLen) {
framesToProcessNow = pDevice->wasapi.mappedBufferCaptureLen;
}
ma_copy_pcm_frames(
ma_offset_pcm_frames_ptr(pFrames, totalFramesProcessed, pDevice->capture.internalFormat, pDevice->capture.internalChannels),
ma_offset_pcm_frames_const_ptr(pDevice->wasapi.pMappedBufferCapture, pDevice->wasapi.mappedBufferCaptureCap - pDevice->wasapi.mappedBufferCaptureLen, pDevice->capture.internalFormat, pDevice->capture.internalChannels),
framesToProcessNow,
pDevice->capture.internalFormat, pDevice->capture.internalChannels
);
totalFramesProcessed += framesToProcessNow;
pDevice->wasapi.mappedBufferCaptureLen -= framesToProcessNow;
if (pDevice->wasapi.mappedBufferCaptureLen == 0) {
ma_IAudioCaptureClient_ReleaseBuffer((ma_IAudioCaptureClient*)pDevice->wasapi.pCaptureClient, pDevice->wasapi.mappedBufferCaptureCap);
pDevice->wasapi.pMappedBufferCapture = NULL;
pDevice->wasapi.mappedBufferCaptureCap = 0;
}
} else {
HRESULT hr;
DWORD flags = 0;
hr = ma_IAudioCaptureClient_GetBuffer((ma_IAudioCaptureClient*)pDevice->wasapi.pCaptureClient, (BYTE**)&pDevice->wasapi.pMappedBufferCapture, &pDevice->wasapi.mappedBufferCaptureCap, &flags, NULL, NULL);
if (hr == S_OK) {
pDevice->wasapi.mappedBufferCaptureLen = pDevice->wasapi.mappedBufferCaptureCap;
#if defined(MA_DEBUG_OUTPUT)
{
if (flags != 0) {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "[WASAPI] Capture Flags: %ld\n", flags);
if ((flags & MA_AUDCLNT_BUFFERFLAGS_DATA_DISCONTINUITY) != 0) {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "[WASAPI] Data discontinuity (possible overrun). Attempting recovery. mappedBufferCaptureCap=%d\n", pDevice->wasapi.mappedBufferCaptureCap);
}
}
}
#endif
if ((flags & MA_AUDCLNT_BUFFERFLAGS_DATA_DISCONTINUITY) != 0) {
if (pDevice->type == ma_device_type_duplex) {
ma_uint32 i;
ma_uint32 periodCount = (pDevice->wasapi.actualBufferSizeInFramesCapture / pDevice->wasapi.periodSizeInFramesCapture);
ma_uint32 iterationCount = periodCount / 2;
if ((periodCount % 2) > 0) {
iterationCount += 1;
}
for (i = 0; i < iterationCount; i += 1) {
hr = ma_IAudioCaptureClient_ReleaseBuffer((ma_IAudioCaptureClient*)pDevice->wasapi.pCaptureClient, pDevice->wasapi.mappedBufferCaptureCap);
if (FAILED(hr)) {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "[WASAPI] Data discontinuity recovery: IAudioCaptureClient_ReleaseBuffer() failed with %ld.\n", hr);
break;
}
flags = 0;
hr = ma_IAudioCaptureClient_GetBuffer((ma_IAudioCaptureClient*)pDevice->wasapi.pCaptureClient, (BYTE**)&pDevice->wasapi.pMappedBufferCapture, &pDevice->wasapi.mappedBufferCaptureCap, &flags, NULL, NULL);
if (hr == MA_AUDCLNT_S_BUFFER_EMPTY || FAILED(hr)) {
pDevice->wasapi.pMappedBufferCapture = NULL;
pDevice->wasapi.mappedBufferCaptureCap = 0;
pDevice->wasapi.mappedBufferCaptureLen = 0;
if (hr == MA_AUDCLNT_S_BUFFER_EMPTY) {
if ((flags & MA_AUDCLNT_BUFFERFLAGS_DATA_DISCONTINUITY) != 0) {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "[WASAPI] Data discontinuity recovery: Buffer emptied, and data discontinuity still reported.\n");
} else {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "[WASAPI] Data discontinuity recovery: Buffer emptied.\n");
}
}
if (FAILED(hr)) {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "[WASAPI] Data discontinuity recovery: IAudioCaptureClient_GetBuffer() failed with %ld.\n", hr);
}
break;
}
}
if (pDevice->wasapi.pMappedBufferCapture != NULL) {
pDevice->wasapi.mappedBufferCaptureLen = pDevice->wasapi.mappedBufferCaptureCap;
}
}
}
continue;
} else {
if (hr == MA_AUDCLNT_S_BUFFER_EMPTY || hr == MA_AUDCLNT_E_BUFFER_ERROR) {
DWORD timeoutInMilliseconds = MA_WASAPI_WAIT_TIMEOUT_MILLISECONDS;
if (pDevice->type == ma_device_type_loopback) {
timeoutInMilliseconds = 10;
}
if (WaitForSingleObject((HANDLE)pDevice->wasapi.hEventCapture, timeoutInMilliseconds) != WAIT_OBJECT_0) {
if (pDevice->type == ma_device_type_loopback) {
continue;
} else {
result = MA_ERROR;
break;
}
}
} else {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[WASAPI] Failed to retrieve internal buffer from capture device in preparation for reading from the device. HRESULT = %d. Stopping device.\n", (int)hr);
result = ma_result_from_HRESULT(hr);
break;
}
}
}
}
if (totalFramesProcessed < frameCount && pDevice->wasapi.pMappedBufferCapture != NULL) {
ma_IAudioCaptureClient_ReleaseBuffer((ma_IAudioCaptureClient*)pDevice->wasapi.pCaptureClient, pDevice->wasapi.mappedBufferCaptureCap);
pDevice->wasapi.pMappedBufferCapture = NULL;
pDevice->wasapi.mappedBufferCaptureCap = 0;
pDevice->wasapi.mappedBufferCaptureLen = 0;
}
if (pFramesRead != NULL) {
*pFramesRead = totalFramesProcessed;
}
return result;
}
static ma_result ma_device_write__wasapi(ma_device* pDevice, const void* pFrames, ma_uint32 frameCount, ma_uint32* pFramesWritten)
{
ma_result result = MA_SUCCESS;
ma_uint32 totalFramesProcessed = 0;
while (ma_device_get_state(pDevice) == ma_device_state_started && totalFramesProcessed < frameCount) {
ma_uint32 framesRemaining = frameCount - totalFramesProcessed;
if (pDevice->wasapi.pMappedBufferPlayback != NULL) {
ma_uint32 framesToProcessNow = framesRemaining;
if (framesToProcessNow > (pDevice->wasapi.mappedBufferPlaybackCap - pDevice->wasapi.mappedBufferPlaybackLen)) {
framesToProcessNow = (pDevice->wasapi.mappedBufferPlaybackCap - pDevice->wasapi.mappedBufferPlaybackLen);
}
ma_copy_pcm_frames(
ma_offset_pcm_frames_ptr(pDevice->wasapi.pMappedBufferPlayback, pDevice->wasapi.mappedBufferPlaybackLen, pDevice->playback.internalFormat, pDevice->playback.internalChannels),
ma_offset_pcm_frames_const_ptr(pFrames, totalFramesProcessed, pDevice->playback.internalFormat, pDevice->playback.internalChannels),
framesToProcessNow,
pDevice->playback.internalFormat, pDevice->playback.internalChannels
);
totalFramesProcessed += framesToProcessNow;
pDevice->wasapi.mappedBufferPlaybackLen += framesToProcessNow;
if (pDevice->wasapi.mappedBufferPlaybackLen == pDevice->wasapi.mappedBufferPlaybackCap) {
ma_IAudioRenderClient_ReleaseBuffer((ma_IAudioRenderClient*)pDevice->wasapi.pRenderClient, pDevice->wasapi.mappedBufferPlaybackCap, 0);
pDevice->wasapi.pMappedBufferPlayback = NULL;
pDevice->wasapi.mappedBufferPlaybackCap = 0;
pDevice->wasapi.mappedBufferPlaybackLen = 0;
if (pDevice->playback.shareMode == ma_share_mode_exclusive) {
if (WaitForSingleObject((HANDLE)pDevice->wasapi.hEventPlayback, MA_WASAPI_WAIT_TIMEOUT_MILLISECONDS) != WAIT_OBJECT_0) {
result = MA_ERROR;
break;
}
}
}
} else {
HRESULT hr;
ma_uint32 bufferSizeInFrames;
if (pDevice->playback.shareMode == ma_share_mode_exclusive) {
bufferSizeInFrames = pDevice->wasapi.actualBufferSizeInFramesPlayback;
} else {
bufferSizeInFrames = pDevice->wasapi.periodSizeInFramesPlayback;
}
hr = ma_IAudioRenderClient_GetBuffer((ma_IAudioRenderClient*)pDevice->wasapi.pRenderClient, bufferSizeInFrames, (BYTE**)&pDevice->wasapi.pMappedBufferPlayback);
if (hr == S_OK) {
pDevice->wasapi.mappedBufferPlaybackCap = bufferSizeInFrames;
pDevice->wasapi.mappedBufferPlaybackLen = 0;
} else {
if (hr == MA_AUDCLNT_E_BUFFER_TOO_LARGE || hr == MA_AUDCLNT_E_BUFFER_ERROR) {
if (WaitForSingleObject((HANDLE)pDevice->wasapi.hEventPlayback, MA_WASAPI_WAIT_TIMEOUT_MILLISECONDS) != WAIT_OBJECT_0) {
result = MA_ERROR;
break;
}
} else {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[WASAPI] Failed to retrieve internal buffer from playback device in preparation for writing to the device. HRESULT = %d. Stopping device.\n", (int)hr);
result = ma_result_from_HRESULT(hr);
break;
}
}
}
}
if (pFramesWritten != NULL) {
*pFramesWritten = totalFramesProcessed;
}
return result;
}
static ma_result ma_device_data_loop_wakeup__wasapi(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex || pDevice->type == ma_device_type_loopback) {
SetEvent((HANDLE)pDevice->wasapi.hEventCapture);
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
SetEvent((HANDLE)pDevice->wasapi.hEventPlayback);
}
return MA_SUCCESS;
}
static ma_result ma_context_uninit__wasapi(ma_context* pContext)
{
ma_context_command__wasapi cmd = ma_context_init_command__wasapi(MA_CONTEXT_COMMAND_QUIT__WASAPI);
MA_ASSERT(pContext != NULL);
MA_ASSERT(pContext->backend == ma_backend_wasapi);
ma_context_post_command__wasapi(pContext, &cmd);
ma_thread_wait(&pContext->wasapi.commandThread);
if (pContext->wasapi.hAvrt) {
ma_dlclose(ma_context_get_log(pContext), pContext->wasapi.hAvrt);
pContext->wasapi.hAvrt = NULL;
}
#if defined(MA_WIN32_UWP)
{
if (pContext->wasapi.hMMDevapi) {
ma_dlclose(ma_context_get_log(pContext), pContext->wasapi.hMMDevapi);
pContext->wasapi.hMMDevapi = NULL;
}
}
#endif
ma_semaphore_uninit(&pContext->wasapi.commandSem);
ma_mutex_uninit(&pContext->wasapi.commandLock);
return MA_SUCCESS;
}
static ma_result ma_context_init__wasapi(ma_context* pContext, const ma_context_config* pConfig, ma_backend_callbacks* pCallbacks)
{
ma_result result = MA_SUCCESS;
MA_ASSERT(pContext != NULL);
(void)pConfig;
#ifdef MA_WIN32_DESKTOP
{
ma_OSVERSIONINFOEXW osvi;
ma_handle kernel32DLL;
ma_PFNVerifyVersionInfoW _VerifyVersionInfoW;
ma_PFNVerSetConditionMask _VerSetConditionMask;
kernel32DLL = ma_dlopen(ma_context_get_log(pContext), "kernel32.dll");
if (kernel32DLL == NULL) {
return MA_NO_BACKEND;
}
_VerifyVersionInfoW = (ma_PFNVerifyVersionInfoW )ma_dlsym(ma_context_get_log(pContext), kernel32DLL, "VerifyVersionInfoW");
_VerSetConditionMask = (ma_PFNVerSetConditionMask)ma_dlsym(ma_context_get_log(pContext), kernel32DLL, "VerSetConditionMask");
if (_VerifyVersionInfoW == NULL || _VerSetConditionMask == NULL) {
ma_dlclose(ma_context_get_log(pContext), kernel32DLL);
return MA_NO_BACKEND;
}
MA_ZERO_OBJECT(&osvi);
osvi.dwOSVersionInfoSize = sizeof(osvi);
osvi.dwMajorVersion = ((MA_WIN32_WINNT_VISTA >> 8) & 0xFF);
osvi.dwMinorVersion = ((MA_WIN32_WINNT_VISTA >> 0) & 0xFF);
osvi.wServicePackMajor = 1;
if (_VerifyVersionInfoW(&osvi, MA_VER_MAJORVERSION | MA_VER_MINORVERSION | MA_VER_SERVICEPACKMAJOR, _VerSetConditionMask(_VerSetConditionMask(_VerSetConditionMask(0, MA_VER_MAJORVERSION, MA_VER_GREATER_EQUAL), MA_VER_MINORVERSION, MA_VER_GREATER_EQUAL), MA_VER_SERVICEPACKMAJOR, MA_VER_GREATER_EQUAL))) {
result = MA_SUCCESS;
} else {
result = MA_NO_BACKEND;
}
ma_dlclose(ma_context_get_log(pContext), kernel32DLL);
}
#endif
if (result != MA_SUCCESS) {
return result;
}
MA_ZERO_OBJECT(&pContext->wasapi);
#if defined(MA_WIN32_UWP)
{
pContext->wasapi.hMMDevapi = ma_dlopen(ma_context_get_log(pContext), "mmdevapi.dll");
if (pContext->wasapi.hMMDevapi) {
pContext->wasapi.ActivateAudioInterfaceAsync = ma_dlsym(ma_context_get_log(pContext), pContext->wasapi.hMMDevapi, "ActivateAudioInterfaceAsync");
if (pContext->wasapi.ActivateAudioInterfaceAsync == NULL) {
ma_dlclose(ma_context_get_log(pContext), pContext->wasapi.hMMDevapi);
return MA_NO_BACKEND;
}
} else {
return MA_NO_BACKEND;
}
}
#endif
pContext->wasapi.hAvrt = ma_dlopen(ma_context_get_log(pContext), "avrt.dll");
if (pContext->wasapi.hAvrt) {
pContext->wasapi.AvSetMmThreadCharacteristicsA = ma_dlsym(ma_context_get_log(pContext), pContext->wasapi.hAvrt, "AvSetMmThreadCharacteristicsA");
pContext->wasapi.AvRevertMmThreadcharacteristics = ma_dlsym(ma_context_get_log(pContext), pContext->wasapi.hAvrt, "AvRevertMmThreadCharacteristics");
if (!pContext->wasapi.AvSetMmThreadCharacteristicsA || !pContext->wasapi.AvRevertMmThreadcharacteristics) {
pContext->wasapi.AvSetMmThreadCharacteristicsA = NULL;
pContext->wasapi.AvRevertMmThreadcharacteristics = NULL;
ma_dlclose(ma_context_get_log(pContext), pContext->wasapi.hAvrt);
pContext->wasapi.hAvrt = NULL;
}
}
{
result = ma_mutex_init(&pContext->wasapi.commandLock);
if (result != MA_SUCCESS) {
return result;
}
result = ma_semaphore_init(0, &pContext->wasapi.commandSem);
if (result != MA_SUCCESS) {
ma_mutex_uninit(&pContext->wasapi.commandLock);
return result;
}
result = ma_thread_create(&pContext->wasapi.commandThread, ma_thread_priority_normal, 0, ma_context_command_thread__wasapi, pContext, &pContext->allocationCallbacks);
if (result != MA_SUCCESS) {
ma_semaphore_uninit(&pContext->wasapi.commandSem);
ma_mutex_uninit(&pContext->wasapi.commandLock);
return result;
}
}
pCallbacks->onContextInit = ma_context_init__wasapi;
pCallbacks->onContextUninit = ma_context_uninit__wasapi;
pCallbacks->onContextEnumerateDevices = ma_context_enumerate_devices__wasapi;
pCallbacks->onContextGetDeviceInfo = ma_context_get_device_info__wasapi;
pCallbacks->onDeviceInit = ma_device_init__wasapi;
pCallbacks->onDeviceUninit = ma_device_uninit__wasapi;
pCallbacks->onDeviceStart = ma_device_start__wasapi;
pCallbacks->onDeviceStop = ma_device_stop__wasapi;
pCallbacks->onDeviceRead = ma_device_read__wasapi;
pCallbacks->onDeviceWrite = ma_device_write__wasapi;
pCallbacks->onDeviceDataLoop = NULL;
pCallbacks->onDeviceDataLoopWakeup = ma_device_data_loop_wakeup__wasapi;
return MA_SUCCESS;
}
#endif
#ifdef MA_HAS_DSOUND
#define MA_DSSCL_NORMAL 1
#define MA_DSSCL_PRIORITY 2
#define MA_DSSCL_EXCLUSIVE 3
#define MA_DSSCL_WRITEPRIMARY 4
#define MA_DSCAPS_PRIMARYMONO 0x00000001
#define MA_DSCAPS_PRIMARYSTEREO 0x00000002
#define MA_DSCAPS_PRIMARY8BIT 0x00000004
#define MA_DSCAPS_PRIMARY16BIT 0x00000008
#define MA_DSCAPS_CONTINUOUSRATE 0x00000010
#define MA_DSCAPS_EMULDRIVER 0x00000020
#define MA_DSCAPS_CERTIFIED 0x00000040
#define MA_DSCAPS_SECONDARYMONO 0x00000100
#define MA_DSCAPS_SECONDARYSTEREO 0x00000200
#define MA_DSCAPS_SECONDARY8BIT 0x00000400
#define MA_DSCAPS_SECONDARY16BIT 0x00000800
#define MA_DSBCAPS_PRIMARYBUFFER 0x00000001
#define MA_DSBCAPS_STATIC 0x00000002
#define MA_DSBCAPS_LOCHARDWARE 0x00000004
#define MA_DSBCAPS_LOCSOFTWARE 0x00000008
#define MA_DSBCAPS_CTRL3D 0x00000010
#define MA_DSBCAPS_CTRLFREQUENCY 0x00000020
#define MA_DSBCAPS_CTRLPAN 0x00000040
#define MA_DSBCAPS_CTRLVOLUME 0x00000080
#define MA_DSBCAPS_CTRLPOSITIONNOTIFY 0x00000100
#define MA_DSBCAPS_CTRLFX 0x00000200
#define MA_DSBCAPS_STICKYFOCUS 0x00004000
#define MA_DSBCAPS_GLOBALFOCUS 0x00008000
#define MA_DSBCAPS_GETCURRENTPOSITION2 0x00010000
#define MA_DSBCAPS_MUTE3DATMAXDISTANCE 0x00020000
#define MA_DSBCAPS_LOCDEFER 0x00040000
#define MA_DSBCAPS_TRUEPLAYPOSITION 0x00080000
#define MA_DSBPLAY_LOOPING 0x00000001
#define MA_DSBPLAY_LOCHARDWARE 0x00000002
#define MA_DSBPLAY_LOCSOFTWARE 0x00000004
#define MA_DSBPLAY_TERMINATEBY_TIME 0x00000008
#define MA_DSBPLAY_TERMINATEBY_DISTANCE 0x00000010
#define MA_DSBPLAY_TERMINATEBY_PRIORITY 0x00000020
#define MA_DSBSTATUS_PLAYING 0x00000001
#define MA_DSBSTATUS_BUFFERLOST 0x00000002
#define MA_DSBSTATUS_LOOPING 0x00000004
#define MA_DSBSTATUS_LOCHARDWARE 0x00000008
#define MA_DSBSTATUS_LOCSOFTWARE 0x00000010
#define MA_DSBSTATUS_TERMINATED 0x00000020
#define MA_DSCBSTART_LOOPING 0x00000001
typedef struct
{
DWORD dwSize;
DWORD dwFlags;
DWORD dwBufferBytes;
DWORD dwReserved;
MA_WAVEFORMATEX* lpwfxFormat;
GUID guid3DAlgorithm;
} MA_DSBUFFERDESC;
typedef struct
{
DWORD dwSize;
DWORD dwFlags;
DWORD dwBufferBytes;
DWORD dwReserved;
MA_WAVEFORMATEX* lpwfxFormat;
DWORD dwFXCount;
void* lpDSCFXDesc;
} MA_DSCBUFFERDESC;
typedef struct
{
DWORD dwSize;
DWORD dwFlags;
DWORD dwMinSecondarySampleRate;
DWORD dwMaxSecondarySampleRate;
DWORD dwPrimaryBuffers;
DWORD dwMaxHwMixingAllBuffers;
DWORD dwMaxHwMixingStaticBuffers;
DWORD dwMaxHwMixingStreamingBuffers;
DWORD dwFreeHwMixingAllBuffers;
DWORD dwFreeHwMixingStaticBuffers;
DWORD dwFreeHwMixingStreamingBuffers;
DWORD dwMaxHw3DAllBuffers;
DWORD dwMaxHw3DStaticBuffers;
DWORD dwMaxHw3DStreamingBuffers;
DWORD dwFreeHw3DAllBuffers;
DWORD dwFreeHw3DStaticBuffers;
DWORD dwFreeHw3DStreamingBuffers;
DWORD dwTotalHwMemBytes;
DWORD dwFreeHwMemBytes;
DWORD dwMaxContigFreeHwMemBytes;
DWORD dwUnlockTransferRateHwBuffers;
DWORD dwPlayCpuOverheadSwBuffers;
DWORD dwReserved1;
DWORD dwReserved2;
} MA_DSCAPS;
typedef struct
{
DWORD dwSize;
DWORD dwFlags;
DWORD dwBufferBytes;
DWORD dwUnlockTransferRate;
DWORD dwPlayCpuOverhead;
} MA_DSBCAPS;
typedef struct
{
DWORD dwSize;
DWORD dwFlags;
DWORD dwFormats;
DWORD dwChannels;
} MA_DSCCAPS;
typedef struct
{
DWORD dwSize;
DWORD dwFlags;
DWORD dwBufferBytes;
DWORD dwReserved;
} MA_DSCBCAPS;
typedef struct
{
DWORD dwOffset;
HANDLE hEventNotify;
} MA_DSBPOSITIONNOTIFY;
typedef struct ma_IDirectSound ma_IDirectSound;
typedef struct ma_IDirectSoundBuffer ma_IDirectSoundBuffer;
typedef struct ma_IDirectSoundCapture ma_IDirectSoundCapture;
typedef struct ma_IDirectSoundCaptureBuffer ma_IDirectSoundCaptureBuffer;
typedef struct ma_IDirectSoundNotify ma_IDirectSoundNotify;
typedef struct
{
HRESULT (STDMETHODCALLTYPE * QueryInterface)(ma_IDirectSound* pThis, const IID* const riid, void** ppObject);
ULONG (STDMETHODCALLTYPE * AddRef) (ma_IDirectSound* pThis);
ULONG (STDMETHODCALLTYPE * Release) (ma_IDirectSound* pThis);
HRESULT (STDMETHODCALLTYPE * CreateSoundBuffer) (ma_IDirectSound* pThis, const MA_DSBUFFERDESC* pDSBufferDesc, ma_IDirectSoundBuffer** ppDSBuffer, void* pUnkOuter);
HRESULT (STDMETHODCALLTYPE * GetCaps) (ma_IDirectSound* pThis, MA_DSCAPS* pDSCaps);
HRESULT (STDMETHODCALLTYPE * DuplicateSoundBuffer)(ma_IDirectSound* pThis, ma_IDirectSoundBuffer* pDSBufferOriginal, ma_IDirectSoundBuffer** ppDSBufferDuplicate);
HRESULT (STDMETHODCALLTYPE * SetCooperativeLevel) (ma_IDirectSound* pThis, HWND hwnd, DWORD dwLevel);
HRESULT (STDMETHODCALLTYPE * Compact) (ma_IDirectSound* pThis);
HRESULT (STDMETHODCALLTYPE * GetSpeakerConfig) (ma_IDirectSound* pThis, DWORD* pSpeakerConfig);
HRESULT (STDMETHODCALLTYPE * SetSpeakerConfig) (ma_IDirectSound* pThis, DWORD dwSpeakerConfig);
HRESULT (STDMETHODCALLTYPE * Initialize) (ma_IDirectSound* pThis, const GUID* pGuidDevice);
} ma_IDirectSoundVtbl;
struct ma_IDirectSound
{
ma_IDirectSoundVtbl* lpVtbl;
};
static MA_INLINE HRESULT ma_IDirectSound_QueryInterface(ma_IDirectSound* pThis, const IID* const riid, void** ppObject) { return pThis->lpVtbl->QueryInterface(pThis, riid, ppObject); }
static MA_INLINE ULONG ma_IDirectSound_AddRef(ma_IDirectSound* pThis) { return pThis->lpVtbl->AddRef(pThis); }
static MA_INLINE ULONG ma_IDirectSound_Release(ma_IDirectSound* pThis) { return pThis->lpVtbl->Release(pThis); }
static MA_INLINE HRESULT ma_IDirectSound_CreateSoundBuffer(ma_IDirectSound* pThis, const MA_DSBUFFERDESC* pDSBufferDesc, ma_IDirectSoundBuffer** ppDSBuffer, void* pUnkOuter) { return pThis->lpVtbl->CreateSoundBuffer(pThis, pDSBufferDesc, ppDSBuffer, pUnkOuter); }
static MA_INLINE HRESULT ma_IDirectSound_GetCaps(ma_IDirectSound* pThis, MA_DSCAPS* pDSCaps) { return pThis->lpVtbl->GetCaps(pThis, pDSCaps); }
static MA_INLINE HRESULT ma_IDirectSound_DuplicateSoundBuffer(ma_IDirectSound* pThis, ma_IDirectSoundBuffer* pDSBufferOriginal, ma_IDirectSoundBuffer** ppDSBufferDuplicate) { return pThis->lpVtbl->DuplicateSoundBuffer(pThis, pDSBufferOriginal, ppDSBufferDuplicate); }
static MA_INLINE HRESULT ma_IDirectSound_SetCooperativeLevel(ma_IDirectSound* pThis, HWND hwnd, DWORD dwLevel) { return pThis->lpVtbl->SetCooperativeLevel(pThis, hwnd, dwLevel); }
static MA_INLINE HRESULT ma_IDirectSound_Compact(ma_IDirectSound* pThis) { return pThis->lpVtbl->Compact(pThis); }
static MA_INLINE HRESULT ma_IDirectSound_GetSpeakerConfig(ma_IDirectSound* pThis, DWORD* pSpeakerConfig) { return pThis->lpVtbl->GetSpeakerConfig(pThis, pSpeakerConfig); }
static MA_INLINE HRESULT ma_IDirectSound_SetSpeakerConfig(ma_IDirectSound* pThis, DWORD dwSpeakerConfig) { return pThis->lpVtbl->SetSpeakerConfig(pThis, dwSpeakerConfig); }
static MA_INLINE HRESULT ma_IDirectSound_Initialize(ma_IDirectSound* pThis, const GUID* pGuidDevice) { return pThis->lpVtbl->Initialize(pThis, pGuidDevice); }
typedef struct
{
HRESULT (STDMETHODCALLTYPE * QueryInterface)(ma_IDirectSoundBuffer* pThis, const IID* const riid, void** ppObject);
ULONG (STDMETHODCALLTYPE * AddRef) (ma_IDirectSoundBuffer* pThis);
ULONG (STDMETHODCALLTYPE * Release) (ma_IDirectSoundBuffer* pThis);
HRESULT (STDMETHODCALLTYPE * GetCaps) (ma_IDirectSoundBuffer* pThis, MA_DSBCAPS* pDSBufferCaps);
HRESULT (STDMETHODCALLTYPE * GetCurrentPosition)(ma_IDirectSoundBuffer* pThis, DWORD* pCurrentPlayCursor, DWORD* pCurrentWriteCursor);
HRESULT (STDMETHODCALLTYPE * GetFormat) (ma_IDirectSoundBuffer* pThis, MA_WAVEFORMATEX* pFormat, DWORD dwSizeAllocated, DWORD* pSizeWritten);
HRESULT (STDMETHODCALLTYPE * GetVolume) (ma_IDirectSoundBuffer* pThis, LONG* pVolume);
HRESULT (STDMETHODCALLTYPE * GetPan) (ma_IDirectSoundBuffer* pThis, LONG* pPan);
HRESULT (STDMETHODCALLTYPE * GetFrequency) (ma_IDirectSoundBuffer* pThis, DWORD* pFrequency);
HRESULT (STDMETHODCALLTYPE * GetStatus) (ma_IDirectSoundBuffer* pThis, DWORD* pStatus);
HRESULT (STDMETHODCALLTYPE * Initialize) (ma_IDirectSoundBuffer* pThis, ma_IDirectSound* pDirectSound, const MA_DSBUFFERDESC* pDSBufferDesc);
HRESULT (STDMETHODCALLTYPE * Lock) (ma_IDirectSoundBuffer* pThis, DWORD dwOffset, DWORD dwBytes, void** ppAudioPtr1, DWORD* pAudioBytes1, void** ppAudioPtr2, DWORD* pAudioBytes2, DWORD dwFlags);
HRESULT (STDMETHODCALLTYPE * Play) (ma_IDirectSoundBuffer* pThis, DWORD dwReserved1, DWORD dwPriority, DWORD dwFlags);
HRESULT (STDMETHODCALLTYPE * SetCurrentPosition)(ma_IDirectSoundBuffer* pThis, DWORD dwNewPosition);
HRESULT (STDMETHODCALLTYPE * SetFormat) (ma_IDirectSoundBuffer* pThis, const MA_WAVEFORMATEX* pFormat);
HRESULT (STDMETHODCALLTYPE * SetVolume) (ma_IDirectSoundBuffer* pThis, LONG volume);
HRESULT (STDMETHODCALLTYPE * SetPan) (ma_IDirectSoundBuffer* pThis, LONG pan);
HRESULT (STDMETHODCALLTYPE * SetFrequency) (ma_IDirectSoundBuffer* pThis, DWORD dwFrequency);
HRESULT (STDMETHODCALLTYPE * Stop) (ma_IDirectSoundBuffer* pThis);
HRESULT (STDMETHODCALLTYPE * Unlock) (ma_IDirectSoundBuffer* pThis, void* pAudioPtr1, DWORD dwAudioBytes1, void* pAudioPtr2, DWORD dwAudioBytes2);
HRESULT (STDMETHODCALLTYPE * Restore) (ma_IDirectSoundBuffer* pThis);
} ma_IDirectSoundBufferVtbl;
struct ma_IDirectSoundBuffer
{
ma_IDirectSoundBufferVtbl* lpVtbl;
};
static MA_INLINE HRESULT ma_IDirectSoundBuffer_QueryInterface(ma_IDirectSoundBuffer* pThis, const IID* const riid, void** ppObject) { return pThis->lpVtbl->QueryInterface(pThis, riid, ppObject); }
static MA_INLINE ULONG ma_IDirectSoundBuffer_AddRef(ma_IDirectSoundBuffer* pThis) { return pThis->lpVtbl->AddRef(pThis); }
static MA_INLINE ULONG ma_IDirectSoundBuffer_Release(ma_IDirectSoundBuffer* pThis) { return pThis->lpVtbl->Release(pThis); }
static MA_INLINE HRESULT ma_IDirectSoundBuffer_GetCaps(ma_IDirectSoundBuffer* pThis, MA_DSBCAPS* pDSBufferCaps) { return pThis->lpVtbl->GetCaps(pThis, pDSBufferCaps); }
static MA_INLINE HRESULT ma_IDirectSoundBuffer_GetCurrentPosition(ma_IDirectSoundBuffer* pThis, DWORD* pCurrentPlayCursor, DWORD* pCurrentWriteCursor) { return pThis->lpVtbl->GetCurrentPosition(pThis, pCurrentPlayCursor, pCurrentWriteCursor); }
static MA_INLINE HRESULT ma_IDirectSoundBuffer_GetFormat(ma_IDirectSoundBuffer* pThis, MA_WAVEFORMATEX* pFormat, DWORD dwSizeAllocated, DWORD* pSizeWritten) { return pThis->lpVtbl->GetFormat(pThis, pFormat, dwSizeAllocated, pSizeWritten); }
static MA_INLINE HRESULT ma_IDirectSoundBuffer_GetVolume(ma_IDirectSoundBuffer* pThis, LONG* pVolume) { return pThis->lpVtbl->GetVolume(pThis, pVolume); }
static MA_INLINE HRESULT ma_IDirectSoundBuffer_GetPan(ma_IDirectSoundBuffer* pThis, LONG* pPan) { return pThis->lpVtbl->GetPan(pThis, pPan); }
static MA_INLINE HRESULT ma_IDirectSoundBuffer_GetFrequency(ma_IDirectSoundBuffer* pThis, DWORD* pFrequency) { return pThis->lpVtbl->GetFrequency(pThis, pFrequency); }
static MA_INLINE HRESULT ma_IDirectSoundBuffer_GetStatus(ma_IDirectSoundBuffer* pThis, DWORD* pStatus) { return pThis->lpVtbl->GetStatus(pThis, pStatus); }
static MA_INLINE HRESULT ma_IDirectSoundBuffer_Initialize(ma_IDirectSoundBuffer* pThis, ma_IDirectSound* pDirectSound, const MA_DSBUFFERDESC* pDSBufferDesc) { return pThis->lpVtbl->Initialize(pThis, pDirectSound, pDSBufferDesc); }
static MA_INLINE HRESULT ma_IDirectSoundBuffer_Lock(ma_IDirectSoundBuffer* pThis, DWORD dwOffset, DWORD dwBytes, void** ppAudioPtr1, DWORD* pAudioBytes1, void** ppAudioPtr2, DWORD* pAudioBytes2, DWORD dwFlags) { return pThis->lpVtbl->Lock(pThis, dwOffset, dwBytes, ppAudioPtr1, pAudioBytes1, ppAudioPtr2, pAudioBytes2, dwFlags); }
static MA_INLINE HRESULT ma_IDirectSoundBuffer_Play(ma_IDirectSoundBuffer* pThis, DWORD dwReserved1, DWORD dwPriority, DWORD dwFlags) { return pThis->lpVtbl->Play(pThis, dwReserved1, dwPriority, dwFlags); }
static MA_INLINE HRESULT ma_IDirectSoundBuffer_SetCurrentPosition(ma_IDirectSoundBuffer* pThis, DWORD dwNewPosition) { return pThis->lpVtbl->SetCurrentPosition(pThis, dwNewPosition); }
static MA_INLINE HRESULT ma_IDirectSoundBuffer_SetFormat(ma_IDirectSoundBuffer* pThis, const MA_WAVEFORMATEX* pFormat) { return pThis->lpVtbl->SetFormat(pThis, pFormat); }
static MA_INLINE HRESULT ma_IDirectSoundBuffer_SetVolume(ma_IDirectSoundBuffer* pThis, LONG volume) { return pThis->lpVtbl->SetVolume(pThis, volume); }
static MA_INLINE HRESULT ma_IDirectSoundBuffer_SetPan(ma_IDirectSoundBuffer* pThis, LONG pan) { return pThis->lpVtbl->SetPan(pThis, pan); }
static MA_INLINE HRESULT ma_IDirectSoundBuffer_SetFrequency(ma_IDirectSoundBuffer* pThis, DWORD dwFrequency) { return pThis->lpVtbl->SetFrequency(pThis, dwFrequency); }
static MA_INLINE HRESULT ma_IDirectSoundBuffer_Stop(ma_IDirectSoundBuffer* pThis) { return pThis->lpVtbl->Stop(pThis); }
static MA_INLINE HRESULT ma_IDirectSoundBuffer_Unlock(ma_IDirectSoundBuffer* pThis, void* pAudioPtr1, DWORD dwAudioBytes1, void* pAudioPtr2, DWORD dwAudioBytes2) { return pThis->lpVtbl->Unlock(pThis, pAudioPtr1, dwAudioBytes1, pAudioPtr2, dwAudioBytes2); }
static MA_INLINE HRESULT ma_IDirectSoundBuffer_Restore(ma_IDirectSoundBuffer* pThis) { return pThis->lpVtbl->Restore(pThis); }
typedef struct
{
HRESULT (STDMETHODCALLTYPE * QueryInterface)(ma_IDirectSoundCapture* pThis, const IID* const riid, void** ppObject);
ULONG (STDMETHODCALLTYPE * AddRef) (ma_IDirectSoundCapture* pThis);
ULONG (STDMETHODCALLTYPE * Release) (ma_IDirectSoundCapture* pThis);
HRESULT (STDMETHODCALLTYPE * CreateCaptureBuffer)(ma_IDirectSoundCapture* pThis, const MA_DSCBUFFERDESC* pDSCBufferDesc, ma_IDirectSoundCaptureBuffer** ppDSCBuffer, void* pUnkOuter);
HRESULT (STDMETHODCALLTYPE * GetCaps) (ma_IDirectSoundCapture* pThis, MA_DSCCAPS* pDSCCaps);
HRESULT (STDMETHODCALLTYPE * Initialize) (ma_IDirectSoundCapture* pThis, const GUID* pGuidDevice);
} ma_IDirectSoundCaptureVtbl;
struct ma_IDirectSoundCapture
{
ma_IDirectSoundCaptureVtbl* lpVtbl;
};
static MA_INLINE HRESULT ma_IDirectSoundCapture_QueryInterface (ma_IDirectSoundCapture* pThis, const IID* const riid, void** ppObject) { return pThis->lpVtbl->QueryInterface(pThis, riid, ppObject); }
static MA_INLINE ULONG ma_IDirectSoundCapture_AddRef (ma_IDirectSoundCapture* pThis) { return pThis->lpVtbl->AddRef(pThis); }
static MA_INLINE ULONG ma_IDirectSoundCapture_Release (ma_IDirectSoundCapture* pThis) { return pThis->lpVtbl->Release(pThis); }
static MA_INLINE HRESULT ma_IDirectSoundCapture_CreateCaptureBuffer(ma_IDirectSoundCapture* pThis, const MA_DSCBUFFERDESC* pDSCBufferDesc, ma_IDirectSoundCaptureBuffer** ppDSCBuffer, void* pUnkOuter) { return pThis->lpVtbl->CreateCaptureBuffer(pThis, pDSCBufferDesc, ppDSCBuffer, pUnkOuter); }
static MA_INLINE HRESULT ma_IDirectSoundCapture_GetCaps (ma_IDirectSoundCapture* pThis, MA_DSCCAPS* pDSCCaps) { return pThis->lpVtbl->GetCaps(pThis, pDSCCaps); }
static MA_INLINE HRESULT ma_IDirectSoundCapture_Initialize (ma_IDirectSoundCapture* pThis, const GUID* pGuidDevice) { return pThis->lpVtbl->Initialize(pThis, pGuidDevice); }
typedef struct
{
HRESULT (STDMETHODCALLTYPE * QueryInterface)(ma_IDirectSoundCaptureBuffer* pThis, const IID* const riid, void** ppObject);
ULONG (STDMETHODCALLTYPE * AddRef) (ma_IDirectSoundCaptureBuffer* pThis);
ULONG (STDMETHODCALLTYPE * Release) (ma_IDirectSoundCaptureBuffer* pThis);
HRESULT (STDMETHODCALLTYPE * GetCaps) (ma_IDirectSoundCaptureBuffer* pThis, MA_DSCBCAPS* pDSCBCaps);
HRESULT (STDMETHODCALLTYPE * GetCurrentPosition)(ma_IDirectSoundCaptureBuffer* pThis, DWORD* pCapturePosition, DWORD* pReadPosition);
HRESULT (STDMETHODCALLTYPE * GetFormat) (ma_IDirectSoundCaptureBuffer* pThis, MA_WAVEFORMATEX* pFormat, DWORD dwSizeAllocated, DWORD* pSizeWritten);
HRESULT (STDMETHODCALLTYPE * GetStatus) (ma_IDirectSoundCaptureBuffer* pThis, DWORD* pStatus);
HRESULT (STDMETHODCALLTYPE * Initialize) (ma_IDirectSoundCaptureBuffer* pThis, ma_IDirectSoundCapture* pDirectSoundCapture, const MA_DSCBUFFERDESC* pDSCBufferDesc);
HRESULT (STDMETHODCALLTYPE * Lock) (ma_IDirectSoundCaptureBuffer* pThis, DWORD dwOffset, DWORD dwBytes, void** ppAudioPtr1, DWORD* pAudioBytes1, void** ppAudioPtr2, DWORD* pAudioBytes2, DWORD dwFlags);
HRESULT (STDMETHODCALLTYPE * Start) (ma_IDirectSoundCaptureBuffer* pThis, DWORD dwFlags);
HRESULT (STDMETHODCALLTYPE * Stop) (ma_IDirectSoundCaptureBuffer* pThis);
HRESULT (STDMETHODCALLTYPE * Unlock) (ma_IDirectSoundCaptureBuffer* pThis, void* pAudioPtr1, DWORD dwAudioBytes1, void* pAudioPtr2, DWORD dwAudioBytes2);
} ma_IDirectSoundCaptureBufferVtbl;
struct ma_IDirectSoundCaptureBuffer
{
ma_IDirectSoundCaptureBufferVtbl* lpVtbl;
};
static MA_INLINE HRESULT ma_IDirectSoundCaptureBuffer_QueryInterface(ma_IDirectSoundCaptureBuffer* pThis, const IID* const riid, void** ppObject) { return pThis->lpVtbl->QueryInterface(pThis, riid, ppObject); }
static MA_INLINE ULONG ma_IDirectSoundCaptureBuffer_AddRef(ma_IDirectSoundCaptureBuffer* pThis) { return pThis->lpVtbl->AddRef(pThis); }
static MA_INLINE ULONG ma_IDirectSoundCaptureBuffer_Release(ma_IDirectSoundCaptureBuffer* pThis) { return pThis->lpVtbl->Release(pThis); }
static MA_INLINE HRESULT ma_IDirectSoundCaptureBuffer_GetCaps(ma_IDirectSoundCaptureBuffer* pThis, MA_DSCBCAPS* pDSCBCaps) { return pThis->lpVtbl->GetCaps(pThis, pDSCBCaps); }
static MA_INLINE HRESULT ma_IDirectSoundCaptureBuffer_GetCurrentPosition(ma_IDirectSoundCaptureBuffer* pThis, DWORD* pCapturePosition, DWORD* pReadPosition) { return pThis->lpVtbl->GetCurrentPosition(pThis, pCapturePosition, pReadPosition); }
static MA_INLINE HRESULT ma_IDirectSoundCaptureBuffer_GetFormat(ma_IDirectSoundCaptureBuffer* pThis, MA_WAVEFORMATEX* pFormat, DWORD dwSizeAllocated, DWORD* pSizeWritten) { return pThis->lpVtbl->GetFormat(pThis, pFormat, dwSizeAllocated, pSizeWritten); }
static MA_INLINE HRESULT ma_IDirectSoundCaptureBuffer_GetStatus(ma_IDirectSoundCaptureBuffer* pThis, DWORD* pStatus) { return pThis->lpVtbl->GetStatus(pThis, pStatus); }
static MA_INLINE HRESULT ma_IDirectSoundCaptureBuffer_Initialize(ma_IDirectSoundCaptureBuffer* pThis, ma_IDirectSoundCapture* pDirectSoundCapture, const MA_DSCBUFFERDESC* pDSCBufferDesc) { return pThis->lpVtbl->Initialize(pThis, pDirectSoundCapture, pDSCBufferDesc); }
static MA_INLINE HRESULT ma_IDirectSoundCaptureBuffer_Lock(ma_IDirectSoundCaptureBuffer* pThis, DWORD dwOffset, DWORD dwBytes, void** ppAudioPtr1, DWORD* pAudioBytes1, void** ppAudioPtr2, DWORD* pAudioBytes2, DWORD dwFlags) { return pThis->lpVtbl->Lock(pThis, dwOffset, dwBytes, ppAudioPtr1, pAudioBytes1, ppAudioPtr2, pAudioBytes2, dwFlags); }
static MA_INLINE HRESULT ma_IDirectSoundCaptureBuffer_Start(ma_IDirectSoundCaptureBuffer* pThis, DWORD dwFlags) { return pThis->lpVtbl->Start(pThis, dwFlags); }
static MA_INLINE HRESULT ma_IDirectSoundCaptureBuffer_Stop(ma_IDirectSoundCaptureBuffer* pThis) { return pThis->lpVtbl->Stop(pThis); }
static MA_INLINE HRESULT ma_IDirectSoundCaptureBuffer_Unlock(ma_IDirectSoundCaptureBuffer* pThis, void* pAudioPtr1, DWORD dwAudioBytes1, void* pAudioPtr2, DWORD dwAudioBytes2) { return pThis->lpVtbl->Unlock(pThis, pAudioPtr1, dwAudioBytes1, pAudioPtr2, dwAudioBytes2); }
typedef struct
{
HRESULT (STDMETHODCALLTYPE * QueryInterface)(ma_IDirectSoundNotify* pThis, const IID* const riid, void** ppObject);
ULONG (STDMETHODCALLTYPE * AddRef) (ma_IDirectSoundNotify* pThis);
ULONG (STDMETHODCALLTYPE * Release) (ma_IDirectSoundNotify* pThis);
HRESULT (STDMETHODCALLTYPE * SetNotificationPositions)(ma_IDirectSoundNotify* pThis, DWORD dwPositionNotifies, const MA_DSBPOSITIONNOTIFY* pPositionNotifies);
} ma_IDirectSoundNotifyVtbl;
struct ma_IDirectSoundNotify
{
ma_IDirectSoundNotifyVtbl* lpVtbl;
};
static MA_INLINE HRESULT ma_IDirectSoundNotify_QueryInterface(ma_IDirectSoundNotify* pThis, const IID* const riid, void** ppObject) { return pThis->lpVtbl->QueryInterface(pThis, riid, ppObject); }
static MA_INLINE ULONG ma_IDirectSoundNotify_AddRef(ma_IDirectSoundNotify* pThis) { return pThis->lpVtbl->AddRef(pThis); }
static MA_INLINE ULONG ma_IDirectSoundNotify_Release(ma_IDirectSoundNotify* pThis) { return pThis->lpVtbl->Release(pThis); }
static MA_INLINE HRESULT ma_IDirectSoundNotify_SetNotificationPositions(ma_IDirectSoundNotify* pThis, DWORD dwPositionNotifies, const MA_DSBPOSITIONNOTIFY* pPositionNotifies) { return pThis->lpVtbl->SetNotificationPositions(pThis, dwPositionNotifies, pPositionNotifies); }
typedef BOOL (CALLBACK * ma_DSEnumCallbackAProc) (GUID* pDeviceGUID, const char* pDeviceDescription, const char* pModule, void* pContext);
typedef HRESULT (WINAPI * ma_DirectSoundCreateProc) (const GUID* pcGuidDevice, ma_IDirectSound** ppDS8, ma_IUnknown* pUnkOuter);
typedef HRESULT (WINAPI * ma_DirectSoundEnumerateAProc) (ma_DSEnumCallbackAProc pDSEnumCallback, void* pContext);
typedef HRESULT (WINAPI * ma_DirectSoundCaptureCreateProc) (const GUID* pcGuidDevice, ma_IDirectSoundCapture** ppDSC8, ma_IUnknown* pUnkOuter);
typedef HRESULT (WINAPI * ma_DirectSoundCaptureEnumerateAProc)(ma_DSEnumCallbackAProc pDSEnumCallback, void* pContext);
static ma_uint32 ma_get_best_sample_rate_within_range(ma_uint32 sampleRateMin, ma_uint32 sampleRateMax)
{
if (sampleRateMin < (ma_uint32)ma_standard_sample_rate_min) {
sampleRateMin = (ma_uint32)ma_standard_sample_rate_min;
}
if (sampleRateMax > (ma_uint32)ma_standard_sample_rate_max) {
sampleRateMax = (ma_uint32)ma_standard_sample_rate_max;
}
if (sampleRateMin > sampleRateMax) {
sampleRateMin = sampleRateMax;
}
if (sampleRateMin == sampleRateMax) {
return sampleRateMax;
} else {
size_t iStandardRate;
for (iStandardRate = 0; iStandardRate < ma_countof(g_maStandardSampleRatePriorities); ++iStandardRate) {
ma_uint32 standardRate = g_maStandardSampleRatePriorities[iStandardRate];
if (standardRate >= sampleRateMin && standardRate <= sampleRateMax) {
return standardRate;
}
}
}
MA_ASSERT(MA_FALSE);
return 0;
}
static void ma_get_channels_from_speaker_config__dsound(DWORD speakerConfig, WORD* pChannelsOut, DWORD* pChannelMapOut)
{
WORD channels;
DWORD channelMap;
channels = 0;
if (pChannelsOut != NULL) {
channels = *pChannelsOut;
}
channelMap = 0;
if (pChannelMapOut != NULL) {
channelMap = *pChannelMapOut;
}
switch ((BYTE)(speakerConfig)) {
case 1 : channels = 2; channelMap = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT; break;
case 2 : channels = 1; channelMap = SPEAKER_FRONT_CENTER; break;
case 3 : channels = 4; channelMap = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_BACK_LEFT | SPEAKER_BACK_RIGHT; break;
case 4 : channels = 2; channelMap = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT; break;
case 5 : channels = 4; channelMap = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_FRONT_CENTER | SPEAKER_BACK_CENTER; break;
case 6 : channels = 6; channelMap = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_FRONT_CENTER | SPEAKER_LOW_FREQUENCY | SPEAKER_BACK_LEFT | SPEAKER_BACK_RIGHT; break;
case 7 : channels = 8; channelMap = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_FRONT_CENTER | SPEAKER_LOW_FREQUENCY | SPEAKER_BACK_LEFT | SPEAKER_BACK_RIGHT | SPEAKER_FRONT_LEFT_OF_CENTER | SPEAKER_FRONT_RIGHT_OF_CENTER; break;
case 8 : channels = 8; channelMap = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_FRONT_CENTER | SPEAKER_LOW_FREQUENCY | SPEAKER_BACK_LEFT | SPEAKER_BACK_RIGHT | SPEAKER_SIDE_LEFT | SPEAKER_SIDE_RIGHT; break;
case 9 : channels = 6; channelMap = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT | SPEAKER_FRONT_CENTER | SPEAKER_LOW_FREQUENCY | SPEAKER_SIDE_LEFT | SPEAKER_SIDE_RIGHT; break;
default: break;
}
if (pChannelsOut != NULL) {
*pChannelsOut = channels;
}
if (pChannelMapOut != NULL) {
*pChannelMapOut = channelMap;
}
}
static ma_result ma_context_create_IDirectSound__dsound(ma_context* pContext, ma_share_mode shareMode, const ma_device_id* pDeviceID, ma_IDirectSound** ppDirectSound)
{
ma_IDirectSound* pDirectSound;
HWND hWnd;
HRESULT hr;
MA_ASSERT(pContext != NULL);
MA_ASSERT(ppDirectSound != NULL);
*ppDirectSound = NULL;
pDirectSound = NULL;
if (FAILED(((ma_DirectSoundCreateProc)pContext->dsound.DirectSoundCreate)((pDeviceID == NULL) ? NULL : (const GUID*)pDeviceID->dsound, &pDirectSound, NULL))) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[DirectSound] DirectSoundCreate() failed for playback device.");
return MA_FAILED_TO_OPEN_BACKEND_DEVICE;
}
hWnd = (HWND)pContext->dsound.hWnd;
if (hWnd == 0) {
hWnd = ((MA_PFN_GetForegroundWindow)pContext->win32.GetForegroundWindow)();
if (hWnd == 0) {
hWnd = ((MA_PFN_GetDesktopWindow)pContext->win32.GetDesktopWindow)();
}
}
hr = ma_IDirectSound_SetCooperativeLevel(pDirectSound, hWnd, (shareMode == ma_share_mode_exclusive) ? MA_DSSCL_EXCLUSIVE : MA_DSSCL_PRIORITY);
if (FAILED(hr)) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[DirectSound] IDirectSound_SetCooperateiveLevel() failed for playback device.");
return ma_result_from_HRESULT(hr);
}
*ppDirectSound = pDirectSound;
return MA_SUCCESS;
}
static ma_result ma_context_create_IDirectSoundCapture__dsound(ma_context* pContext, ma_share_mode shareMode, const ma_device_id* pDeviceID, ma_IDirectSoundCapture** ppDirectSoundCapture)
{
ma_IDirectSoundCapture* pDirectSoundCapture;
HRESULT hr;
MA_ASSERT(pContext != NULL);
MA_ASSERT(ppDirectSoundCapture != NULL);
if (shareMode == ma_share_mode_exclusive) {
return MA_SHARE_MODE_NOT_SUPPORTED;
}
*ppDirectSoundCapture = NULL;
pDirectSoundCapture = NULL;
hr = ((ma_DirectSoundCaptureCreateProc)pContext->dsound.DirectSoundCaptureCreate)((pDeviceID == NULL) ? NULL : (const GUID*)pDeviceID->dsound, &pDirectSoundCapture, NULL);
if (FAILED(hr)) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[DirectSound] DirectSoundCaptureCreate() failed for capture device.");
return ma_result_from_HRESULT(hr);
}
*ppDirectSoundCapture = pDirectSoundCapture;
return MA_SUCCESS;
}
static ma_result ma_context_get_format_info_for_IDirectSoundCapture__dsound(ma_context* pContext, ma_IDirectSoundCapture* pDirectSoundCapture, WORD* pChannels, WORD* pBitsPerSample, DWORD* pSampleRate)
{
HRESULT hr;
MA_DSCCAPS caps;
WORD bitsPerSample;
DWORD sampleRate;
MA_ASSERT(pContext != NULL);
MA_ASSERT(pDirectSoundCapture != NULL);
if (pChannels) {
*pChannels = 0;
}
if (pBitsPerSample) {
*pBitsPerSample = 0;
}
if (pSampleRate) {
*pSampleRate = 0;
}
MA_ZERO_OBJECT(&caps);
caps.dwSize = sizeof(caps);
hr = ma_IDirectSoundCapture_GetCaps(pDirectSoundCapture, &caps);
if (FAILED(hr)) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[DirectSound] IDirectSoundCapture_GetCaps() failed for capture device.");
return ma_result_from_HRESULT(hr);
}
if (pChannels) {
*pChannels = (WORD)caps.dwChannels;
}
bitsPerSample = 16;
sampleRate = 48000;
if (caps.dwChannels == 1) {
if ((caps.dwFormats & WAVE_FORMAT_48M16) != 0) {
sampleRate = 48000;
} else if ((caps.dwFormats & WAVE_FORMAT_44M16) != 0) {
sampleRate = 44100;
} else if ((caps.dwFormats & WAVE_FORMAT_2M16) != 0) {
sampleRate = 22050;
} else if ((caps.dwFormats & WAVE_FORMAT_1M16) != 0) {
sampleRate = 11025;
} else if ((caps.dwFormats & WAVE_FORMAT_96M16) != 0) {
sampleRate = 96000;
} else {
bitsPerSample = 8;
if ((caps.dwFormats & WAVE_FORMAT_48M08) != 0) {
sampleRate = 48000;
} else if ((caps.dwFormats & WAVE_FORMAT_44M08) != 0) {
sampleRate = 44100;
} else if ((caps.dwFormats & WAVE_FORMAT_2M08) != 0) {
sampleRate = 22050;
} else if ((caps.dwFormats & WAVE_FORMAT_1M08) != 0) {
sampleRate = 11025;
} else if ((caps.dwFormats & WAVE_FORMAT_96M08) != 0) {
sampleRate = 96000;
} else {
bitsPerSample = 16;
}
}
} else if (caps.dwChannels == 2) {
if ((caps.dwFormats & WAVE_FORMAT_48S16) != 0) {
sampleRate = 48000;
} else if ((caps.dwFormats & WAVE_FORMAT_44S16) != 0) {
sampleRate = 44100;
} else if ((caps.dwFormats & WAVE_FORMAT_2S16) != 0) {
sampleRate = 22050;
} else if ((caps.dwFormats & WAVE_FORMAT_1S16) != 0) {
sampleRate = 11025;
} else if ((caps.dwFormats & WAVE_FORMAT_96S16) != 0) {
sampleRate = 96000;
} else {
bitsPerSample = 8;
if ((caps.dwFormats & WAVE_FORMAT_48S08) != 0) {
sampleRate = 48000;
} else if ((caps.dwFormats & WAVE_FORMAT_44S08) != 0) {
sampleRate = 44100;
} else if ((caps.dwFormats & WAVE_FORMAT_2S08) != 0) {
sampleRate = 22050;
} else if ((caps.dwFormats & WAVE_FORMAT_1S08) != 0) {
sampleRate = 11025;
} else if ((caps.dwFormats & WAVE_FORMAT_96S08) != 0) {
sampleRate = 96000;
} else {
bitsPerSample = 16;
}
}
}
if (pBitsPerSample) {
*pBitsPerSample = bitsPerSample;
}
if (pSampleRate) {
*pSampleRate = sampleRate;
}
return MA_SUCCESS;
}
typedef struct
{
ma_context* pContext;
ma_device_type deviceType;
ma_enum_devices_callback_proc callback;
void* pUserData;
ma_bool32 terminated;
} ma_context_enumerate_devices_callback_data__dsound;
static BOOL CALLBACK ma_context_enumerate_devices_callback__dsound(GUID* lpGuid, const char* lpcstrDescription, const char* lpcstrModule, void* lpContext)
{
ma_context_enumerate_devices_callback_data__dsound* pData = (ma_context_enumerate_devices_callback_data__dsound*)lpContext;
ma_device_info deviceInfo;
(void)lpcstrModule;
MA_ZERO_OBJECT(&deviceInfo);
if (lpGuid != NULL) {
MA_COPY_MEMORY(deviceInfo.id.dsound, lpGuid, 16);
} else {
MA_ZERO_MEMORY(deviceInfo.id.dsound, 16);
deviceInfo.isDefault = MA_TRUE;
}
ma_strncpy_s(deviceInfo.name, sizeof(deviceInfo.name), lpcstrDescription, (size_t)-1);
MA_ASSERT(pData != NULL);
pData->terminated = (pData->callback(pData->pContext, pData->deviceType, &deviceInfo, pData->pUserData) == MA_FALSE);
if (pData->terminated) {
return FALSE;
} else {
return TRUE;
}
}
static ma_result ma_context_enumerate_devices__dsound(ma_context* pContext, ma_enum_devices_callback_proc callback, void* pUserData)
{
ma_context_enumerate_devices_callback_data__dsound data;
MA_ASSERT(pContext != NULL);
MA_ASSERT(callback != NULL);
data.pContext = pContext;
data.callback = callback;
data.pUserData = pUserData;
data.terminated = MA_FALSE;
if (!data.terminated) {
data.deviceType = ma_device_type_playback;
((ma_DirectSoundEnumerateAProc)pContext->dsound.DirectSoundEnumerateA)(ma_context_enumerate_devices_callback__dsound, &data);
}
if (!data.terminated) {
data.deviceType = ma_device_type_capture;
((ma_DirectSoundCaptureEnumerateAProc)pContext->dsound.DirectSoundCaptureEnumerateA)(ma_context_enumerate_devices_callback__dsound, &data);
}
return MA_SUCCESS;
}
typedef struct
{
const ma_device_id* pDeviceID;
ma_device_info* pDeviceInfo;
ma_bool32 found;
} ma_context_get_device_info_callback_data__dsound;
static BOOL CALLBACK ma_context_get_device_info_callback__dsound(GUID* lpGuid, const char* lpcstrDescription, const char* lpcstrModule, void* lpContext)
{
ma_context_get_device_info_callback_data__dsound* pData = (ma_context_get_device_info_callback_data__dsound*)lpContext;
MA_ASSERT(pData != NULL);
if ((pData->pDeviceID == NULL || ma_is_guid_null(pData->pDeviceID->dsound)) && (lpGuid == NULL || ma_is_guid_null(lpGuid))) {
ma_strncpy_s(pData->pDeviceInfo->name, sizeof(pData->pDeviceInfo->name), lpcstrDescription, (size_t)-1);
pData->pDeviceInfo->isDefault = MA_TRUE;
pData->found = MA_TRUE;
return FALSE;
} else {
if (lpGuid != NULL && pData->pDeviceID != NULL) {
if (memcmp(pData->pDeviceID->dsound, lpGuid, sizeof(pData->pDeviceID->dsound)) == 0) {
ma_strncpy_s(pData->pDeviceInfo->name, sizeof(pData->pDeviceInfo->name), lpcstrDescription, (size_t)-1);
pData->found = MA_TRUE;
return FALSE;
}
}
}
(void)lpcstrModule;
return TRUE;
}
static ma_result ma_context_get_device_info__dsound(ma_context* pContext, ma_device_type deviceType, const ma_device_id* pDeviceID, ma_device_info* pDeviceInfo)
{
ma_result result;
HRESULT hr;
if (pDeviceID != NULL) {
ma_context_get_device_info_callback_data__dsound data;
MA_COPY_MEMORY(pDeviceInfo->id.dsound, pDeviceID->dsound, 16);
data.pDeviceID = pDeviceID;
data.pDeviceInfo = pDeviceInfo;
data.found = MA_FALSE;
if (deviceType == ma_device_type_playback) {
((ma_DirectSoundEnumerateAProc)pContext->dsound.DirectSoundEnumerateA)(ma_context_get_device_info_callback__dsound, &data);
} else {
((ma_DirectSoundCaptureEnumerateAProc)pContext->dsound.DirectSoundCaptureEnumerateA)(ma_context_get_device_info_callback__dsound, &data);
}
if (!data.found) {
return MA_NO_DEVICE;
}
} else {
MA_ZERO_MEMORY(pDeviceInfo->id.dsound, 16);
if (deviceType == ma_device_type_playback) {
ma_strncpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), MA_DEFAULT_PLAYBACK_DEVICE_NAME, (size_t)-1);
} else {
ma_strncpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), MA_DEFAULT_CAPTURE_DEVICE_NAME, (size_t)-1);
}
pDeviceInfo->isDefault = MA_TRUE;
}
if (deviceType == ma_device_type_playback) {
ma_IDirectSound* pDirectSound;
MA_DSCAPS caps;
WORD channels;
result = ma_context_create_IDirectSound__dsound(pContext, ma_share_mode_shared, pDeviceID, &pDirectSound);
if (result != MA_SUCCESS) {
return result;
}
MA_ZERO_OBJECT(&caps);
caps.dwSize = sizeof(caps);
hr = ma_IDirectSound_GetCaps(pDirectSound, &caps);
if (FAILED(hr)) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[DirectSound] IDirectSound_GetCaps() failed for playback device.");
return ma_result_from_HRESULT(hr);
}
if ((caps.dwFlags & MA_DSCAPS_PRIMARYSTEREO) != 0) {
DWORD speakerConfig;
channels = 2;
hr = ma_IDirectSound_GetSpeakerConfig(pDirectSound, &speakerConfig);
if (SUCCEEDED(hr)) {
ma_get_channels_from_speaker_config__dsound(speakerConfig, &channels, NULL);
}
} else {
channels = 1;
}
if ((caps.dwFlags & MA_DSCAPS_CONTINUOUSRATE) != 0) {
size_t iStandardSampleRate;
for (iStandardSampleRate = 0; iStandardSampleRate < ma_countof(g_maStandardSampleRatePriorities); iStandardSampleRate += 1) {
ma_uint32 sampleRate = g_maStandardSampleRatePriorities[iStandardSampleRate];
if (sampleRate >= caps.dwMinSecondarySampleRate && sampleRate <= caps.dwMaxSecondarySampleRate) {
pDeviceInfo->nativeDataFormats[pDeviceInfo->nativeDataFormatCount].format = ma_format_unknown;
pDeviceInfo->nativeDataFormats[pDeviceInfo->nativeDataFormatCount].channels = channels;
pDeviceInfo->nativeDataFormats[pDeviceInfo->nativeDataFormatCount].sampleRate = sampleRate;
pDeviceInfo->nativeDataFormats[pDeviceInfo->nativeDataFormatCount].flags = 0;
pDeviceInfo->nativeDataFormatCount += 1;
}
}
} else {
pDeviceInfo->nativeDataFormats[pDeviceInfo->nativeDataFormatCount].format = ma_format_unknown;
pDeviceInfo->nativeDataFormats[pDeviceInfo->nativeDataFormatCount].channels = channels;
pDeviceInfo->nativeDataFormats[pDeviceInfo->nativeDataFormatCount].sampleRate = caps.dwMaxSecondarySampleRate;
pDeviceInfo->nativeDataFormats[pDeviceInfo->nativeDataFormatCount].flags = 0;
pDeviceInfo->nativeDataFormatCount += 1;
}
ma_IDirectSound_Release(pDirectSound);
} else {
ma_IDirectSoundCapture* pDirectSoundCapture;
WORD channels;
WORD bitsPerSample;
DWORD sampleRate;
result = ma_context_create_IDirectSoundCapture__dsound(pContext, ma_share_mode_shared, pDeviceID, &pDirectSoundCapture);
if (result != MA_SUCCESS) {
return result;
}
result = ma_context_get_format_info_for_IDirectSoundCapture__dsound(pContext, pDirectSoundCapture, &channels, &bitsPerSample, &sampleRate);
if (result != MA_SUCCESS) {
ma_IDirectSoundCapture_Release(pDirectSoundCapture);
return result;
}
ma_IDirectSoundCapture_Release(pDirectSoundCapture);
if (bitsPerSample == 8) {
pDeviceInfo->nativeDataFormats[0].format = ma_format_u8;
} else if (bitsPerSample == 16) {
pDeviceInfo->nativeDataFormats[0].format = ma_format_s16;
} else if (bitsPerSample == 24) {
pDeviceInfo->nativeDataFormats[0].format = ma_format_s24;
} else if (bitsPerSample == 32) {
pDeviceInfo->nativeDataFormats[0].format = ma_format_s32;
} else {
return MA_FORMAT_NOT_SUPPORTED;
}
pDeviceInfo->nativeDataFormats[0].channels = channels;
pDeviceInfo->nativeDataFormats[0].sampleRate = sampleRate;
pDeviceInfo->nativeDataFormats[0].flags = 0;
pDeviceInfo->nativeDataFormatCount = 1;
}
return MA_SUCCESS;
}
static ma_result ma_device_uninit__dsound(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
if (pDevice->dsound.pCaptureBuffer != NULL) {
ma_IDirectSoundCaptureBuffer_Release((ma_IDirectSoundCaptureBuffer*)pDevice->dsound.pCaptureBuffer);
}
if (pDevice->dsound.pCapture != NULL) {
ma_IDirectSoundCapture_Release((ma_IDirectSoundCapture*)pDevice->dsound.pCapture);
}
if (pDevice->dsound.pPlaybackBuffer != NULL) {
ma_IDirectSoundBuffer_Release((ma_IDirectSoundBuffer*)pDevice->dsound.pPlaybackBuffer);
}
if (pDevice->dsound.pPlaybackPrimaryBuffer != NULL) {
ma_IDirectSoundBuffer_Release((ma_IDirectSoundBuffer*)pDevice->dsound.pPlaybackPrimaryBuffer);
}
if (pDevice->dsound.pPlayback != NULL) {
ma_IDirectSound_Release((ma_IDirectSound*)pDevice->dsound.pPlayback);
}
return MA_SUCCESS;
}
static ma_result ma_config_to_WAVEFORMATEXTENSIBLE(ma_format format, ma_uint32 channels, ma_uint32 sampleRate, const ma_channel* pChannelMap, MA_WAVEFORMATEXTENSIBLE* pWF)
{
GUID subformat;
if (format == ma_format_unknown) {
format = MA_DEFAULT_FORMAT;
}
if (channels == 0) {
channels = MA_DEFAULT_CHANNELS;
}
if (sampleRate == 0) {
sampleRate = MA_DEFAULT_SAMPLE_RATE;
}
switch (format)
{
case ma_format_u8:
case ma_format_s16:
case ma_format_s24:
case ma_format_s32:
{
subformat = MA_GUID_KSDATAFORMAT_SUBTYPE_PCM;
} break;
case ma_format_f32:
{
subformat = MA_GUID_KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
} break;
default:
return MA_FORMAT_NOT_SUPPORTED;
}
MA_ZERO_OBJECT(pWF);
pWF->cbSize = sizeof(*pWF);
pWF->wFormatTag = WAVE_FORMAT_EXTENSIBLE;
pWF->nChannels = (WORD)channels;
pWF->nSamplesPerSec = (DWORD)sampleRate;
pWF->wBitsPerSample = (WORD)(ma_get_bytes_per_sample(format)*8);
pWF->nBlockAlign = (WORD)(pWF->nChannels * pWF->wBitsPerSample / 8);
pWF->nAvgBytesPerSec = pWF->nBlockAlign * pWF->nSamplesPerSec;
pWF->Samples.wValidBitsPerSample = pWF->wBitsPerSample;
pWF->dwChannelMask = ma_channel_map_to_channel_mask__win32(pChannelMap, channels);
pWF->SubFormat = subformat;
return MA_SUCCESS;
}
static ma_uint32 ma_calculate_period_size_in_frames_from_descriptor__dsound(const ma_device_descriptor* pDescriptor, ma_uint32 nativeSampleRate, ma_performance_profile performanceProfile)
{
ma_uint32 minPeriodSizeInFrames = ma_calculate_buffer_size_in_frames_from_milliseconds(30, nativeSampleRate);
ma_uint32 periodSizeInFrames;
periodSizeInFrames = ma_calculate_buffer_size_in_frames_from_descriptor(pDescriptor, nativeSampleRate, performanceProfile);
if (periodSizeInFrames < minPeriodSizeInFrames) {
periodSizeInFrames = minPeriodSizeInFrames;
}
return periodSizeInFrames;
}
static ma_result ma_device_init__dsound(ma_device* pDevice, const ma_device_config* pConfig, ma_device_descriptor* pDescriptorPlayback, ma_device_descriptor* pDescriptorCapture)
{
ma_result result;
HRESULT hr;
MA_ASSERT(pDevice != NULL);
MA_ZERO_OBJECT(&pDevice->dsound);
if (pConfig->deviceType == ma_device_type_loopback) {
return MA_DEVICE_TYPE_NOT_SUPPORTED;
}
if (pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex) {
MA_WAVEFORMATEXTENSIBLE wf;
MA_DSCBUFFERDESC descDS;
ma_uint32 periodSizeInFrames;
ma_uint32 periodCount;
char rawdata[1024];
MA_WAVEFORMATEXTENSIBLE* pActualFormat;
result = ma_config_to_WAVEFORMATEXTENSIBLE(pDescriptorCapture->format, pDescriptorCapture->channels, pDescriptorCapture->sampleRate, pDescriptorCapture->channelMap, &wf);
if (result != MA_SUCCESS) {
return result;
}
result = ma_context_create_IDirectSoundCapture__dsound(pDevice->pContext, pDescriptorCapture->shareMode, pDescriptorCapture->pDeviceID, (ma_IDirectSoundCapture**)&pDevice->dsound.pCapture);
if (result != MA_SUCCESS) {
ma_device_uninit__dsound(pDevice);
return result;
}
result = ma_context_get_format_info_for_IDirectSoundCapture__dsound(pDevice->pContext, (ma_IDirectSoundCapture*)pDevice->dsound.pCapture, &wf.nChannels, &wf.wBitsPerSample, &wf.nSamplesPerSec);
if (result != MA_SUCCESS) {
ma_device_uninit__dsound(pDevice);
return result;
}
wf.nBlockAlign = (WORD)(wf.nChannels * wf.wBitsPerSample / 8);
wf.nAvgBytesPerSec = wf.nBlockAlign * wf.nSamplesPerSec;
wf.Samples.wValidBitsPerSample = wf.wBitsPerSample;
wf.SubFormat = MA_GUID_KSDATAFORMAT_SUBTYPE_PCM;
periodSizeInFrames = ma_calculate_period_size_in_frames_from_descriptor__dsound(pDescriptorCapture, wf.nSamplesPerSec, pConfig->performanceProfile);
periodCount = (pDescriptorCapture->periodCount > 0) ? pDescriptorCapture->periodCount : MA_DEFAULT_PERIODS;
MA_ZERO_OBJECT(&descDS);
descDS.dwSize = sizeof(descDS);
descDS.dwFlags = 0;
descDS.dwBufferBytes = periodSizeInFrames * periodCount * wf.nBlockAlign;
descDS.lpwfxFormat = (MA_WAVEFORMATEX*)&wf;
hr = ma_IDirectSoundCapture_CreateCaptureBuffer((ma_IDirectSoundCapture*)pDevice->dsound.pCapture, &descDS, (ma_IDirectSoundCaptureBuffer**)&pDevice->dsound.pCaptureBuffer, NULL);
if (FAILED(hr)) {
ma_device_uninit__dsound(pDevice);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[DirectSound] IDirectSoundCapture_CreateCaptureBuffer() failed for capture device.");
return ma_result_from_HRESULT(hr);
}
pActualFormat = (MA_WAVEFORMATEXTENSIBLE*)rawdata;
hr = ma_IDirectSoundCaptureBuffer_GetFormat((ma_IDirectSoundCaptureBuffer*)pDevice->dsound.pCaptureBuffer, (MA_WAVEFORMATEX*)pActualFormat, sizeof(rawdata), NULL);
if (FAILED(hr)) {
ma_device_uninit__dsound(pDevice);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[DirectSound] Failed to retrieve the actual format of the capture device's buffer.");
return ma_result_from_HRESULT(hr);
}
pDescriptorCapture->format = ma_format_from_WAVEFORMATEX((MA_WAVEFORMATEX*)pActualFormat);
pDescriptorCapture->channels = pActualFormat->nChannels;
pDescriptorCapture->sampleRate = pActualFormat->nSamplesPerSec;
if (pActualFormat->wFormatTag == WAVE_FORMAT_EXTENSIBLE) {
ma_channel_mask_to_channel_map__win32(pActualFormat->dwChannelMask, pDescriptorCapture->channels, pDescriptorCapture->channelMap);
} else {
ma_channel_mask_to_channel_map__win32(wf.dwChannelMask, pDescriptorCapture->channels, pDescriptorCapture->channelMap);
}
if (periodSizeInFrames != (descDS.dwBufferBytes / ma_get_bytes_per_frame(pDescriptorCapture->format, pDescriptorCapture->channels) / periodCount)) {
descDS.dwBufferBytes = periodSizeInFrames * ma_get_bytes_per_frame(pDescriptorCapture->format, pDescriptorCapture->channels) * periodCount;
ma_IDirectSoundCaptureBuffer_Release((ma_IDirectSoundCaptureBuffer*)pDevice->dsound.pCaptureBuffer);
hr = ma_IDirectSoundCapture_CreateCaptureBuffer((ma_IDirectSoundCapture*)pDevice->dsound.pCapture, &descDS, (ma_IDirectSoundCaptureBuffer**)&pDevice->dsound.pCaptureBuffer, NULL);
if (FAILED(hr)) {
ma_device_uninit__dsound(pDevice);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[DirectSound] Second attempt at IDirectSoundCapture_CreateCaptureBuffer() failed for capture device.");
return ma_result_from_HRESULT(hr);
}
}
pDescriptorCapture->periodSizeInFrames = periodSizeInFrames;
pDescriptorCapture->periodCount = periodCount;
}
if (pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex) {
MA_WAVEFORMATEXTENSIBLE wf;
MA_DSBUFFERDESC descDSPrimary;
MA_DSCAPS caps;
char rawdata[1024];
MA_WAVEFORMATEXTENSIBLE* pActualFormat;
ma_uint32 periodSizeInFrames;
ma_uint32 periodCount;
MA_DSBUFFERDESC descDS;
WORD nativeChannelCount;
DWORD nativeChannelMask = 0;
result = ma_config_to_WAVEFORMATEXTENSIBLE(pDescriptorPlayback->format, pDescriptorPlayback->channels, pDescriptorPlayback->sampleRate, pDescriptorPlayback->channelMap, &wf);
if (result != MA_SUCCESS) {
return result;
}
result = ma_context_create_IDirectSound__dsound(pDevice->pContext, pDescriptorPlayback->shareMode, pDescriptorPlayback->pDeviceID, (ma_IDirectSound**)&pDevice->dsound.pPlayback);
if (result != MA_SUCCESS) {
ma_device_uninit__dsound(pDevice);
return result;
}
MA_ZERO_OBJECT(&descDSPrimary);
descDSPrimary.dwSize = sizeof(MA_DSBUFFERDESC);
descDSPrimary.dwFlags = MA_DSBCAPS_PRIMARYBUFFER | MA_DSBCAPS_CTRLVOLUME;
hr = ma_IDirectSound_CreateSoundBuffer((ma_IDirectSound*)pDevice->dsound.pPlayback, &descDSPrimary, (ma_IDirectSoundBuffer**)&pDevice->dsound.pPlaybackPrimaryBuffer, NULL);
if (FAILED(hr)) {
ma_device_uninit__dsound(pDevice);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[DirectSound] IDirectSound_CreateSoundBuffer() failed for playback device's primary buffer.");
return ma_result_from_HRESULT(hr);
}
MA_ZERO_OBJECT(&caps);
caps.dwSize = sizeof(caps);
hr = ma_IDirectSound_GetCaps((ma_IDirectSound*)pDevice->dsound.pPlayback, &caps);
if (FAILED(hr)) {
ma_device_uninit__dsound(pDevice);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[DirectSound] IDirectSound_GetCaps() failed for playback device.");
return ma_result_from_HRESULT(hr);
}
if ((caps.dwFlags & MA_DSCAPS_PRIMARYSTEREO) != 0) {
DWORD speakerConfig;
nativeChannelCount = 2;
if (SUCCEEDED(ma_IDirectSound_GetSpeakerConfig((ma_IDirectSound*)pDevice->dsound.pPlayback, &speakerConfig))) {
ma_get_channels_from_speaker_config__dsound(speakerConfig, &nativeChannelCount, &nativeChannelMask);
}
} else {
nativeChannelCount = 1;
nativeChannelMask = 0x00000001;
}
if (pDescriptorPlayback->channels == 0) {
wf.nChannels = nativeChannelCount;
wf.dwChannelMask = nativeChannelMask;
}
if (pDescriptorPlayback->sampleRate == 0) {
if ((caps.dwFlags & MA_DSCAPS_CONTINUOUSRATE) != 0) {
wf.nSamplesPerSec = ma_get_best_sample_rate_within_range(caps.dwMinSecondarySampleRate, caps.dwMaxSecondarySampleRate);
} else {
wf.nSamplesPerSec = caps.dwMaxSecondarySampleRate;
}
}
wf.nBlockAlign = (WORD)(wf.nChannels * wf.wBitsPerSample / 8);
wf.nAvgBytesPerSec = wf.nBlockAlign * wf.nSamplesPerSec;
hr = ma_IDirectSoundBuffer_SetFormat((ma_IDirectSoundBuffer*)pDevice->dsound.pPlaybackPrimaryBuffer, (MA_WAVEFORMATEX*)&wf);
if (FAILED(hr)) {
wf.cbSize = 18;
wf.wFormatTag = WAVE_FORMAT_PCM;
wf.wBitsPerSample = 16;
wf.nChannels = nativeChannelCount;
wf.nSamplesPerSec = 44100;
wf.nBlockAlign = wf.nChannels * (wf.wBitsPerSample / 8);
wf.nAvgBytesPerSec = wf.nSamplesPerSec * wf.nBlockAlign;
hr = ma_IDirectSoundBuffer_SetFormat((ma_IDirectSoundBuffer*)pDevice->dsound.pPlaybackPrimaryBuffer, (MA_WAVEFORMATEX*)&wf);
if (FAILED(hr)) {
ma_device_uninit__dsound(pDevice);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[DirectSound] Failed to set format of playback device's primary buffer.");
return ma_result_from_HRESULT(hr);
}
}
pActualFormat = (MA_WAVEFORMATEXTENSIBLE*)rawdata;
hr = ma_IDirectSoundBuffer_GetFormat((ma_IDirectSoundBuffer*)pDevice->dsound.pPlaybackPrimaryBuffer, (MA_WAVEFORMATEX*)pActualFormat, sizeof(rawdata), NULL);
if (FAILED(hr)) {
ma_device_uninit__dsound(pDevice);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[DirectSound] Failed to retrieve the actual format of the playback device's primary buffer.");
return ma_result_from_HRESULT(hr);
}
pDescriptorPlayback->format = ma_format_from_WAVEFORMATEX((MA_WAVEFORMATEX*)pActualFormat);
pDescriptorPlayback->channels = pActualFormat->nChannels;
pDescriptorPlayback->sampleRate = pActualFormat->nSamplesPerSec;
if (pActualFormat->wFormatTag == WAVE_FORMAT_EXTENSIBLE) {
ma_channel_mask_to_channel_map__win32(pActualFormat->dwChannelMask, pDescriptorPlayback->channels, pDescriptorPlayback->channelMap);
} else {
ma_channel_mask_to_channel_map__win32(wf.dwChannelMask, pDescriptorPlayback->channels, pDescriptorPlayback->channelMap);
}
periodSizeInFrames = ma_calculate_period_size_in_frames_from_descriptor__dsound(pDescriptorPlayback, pDescriptorPlayback->sampleRate, pConfig->performanceProfile);
periodCount = (pDescriptorPlayback->periodCount > 0) ? pDescriptorPlayback->periodCount : MA_DEFAULT_PERIODS;
MA_ZERO_OBJECT(&descDS);
descDS.dwSize = sizeof(descDS);
descDS.dwFlags = MA_DSBCAPS_CTRLPOSITIONNOTIFY | MA_DSBCAPS_GLOBALFOCUS | MA_DSBCAPS_GETCURRENTPOSITION2;
descDS.dwBufferBytes = periodSizeInFrames * periodCount * ma_get_bytes_per_frame(pDescriptorPlayback->format, pDescriptorPlayback->channels);
descDS.lpwfxFormat = (MA_WAVEFORMATEX*)pActualFormat;
hr = ma_IDirectSound_CreateSoundBuffer((ma_IDirectSound*)pDevice->dsound.pPlayback, &descDS, (ma_IDirectSoundBuffer**)&pDevice->dsound.pPlaybackBuffer, NULL);
if (FAILED(hr)) {
ma_device_uninit__dsound(pDevice);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[DirectSound] IDirectSound_CreateSoundBuffer() failed for playback device's secondary buffer.");
return ma_result_from_HRESULT(hr);
}
pDescriptorPlayback->periodSizeInFrames = periodSizeInFrames;
pDescriptorPlayback->periodCount = periodCount;
}
return MA_SUCCESS;
}
static ma_result ma_device_data_loop__dsound(ma_device* pDevice)
{
ma_result result = MA_SUCCESS;
ma_uint32 bpfDeviceCapture = ma_get_bytes_per_frame(pDevice->capture.internalFormat, pDevice->capture.internalChannels);
ma_uint32 bpfDevicePlayback = ma_get_bytes_per_frame(pDevice->playback.internalFormat, pDevice->playback.internalChannels);
HRESULT hr;
DWORD lockOffsetInBytesCapture;
DWORD lockSizeInBytesCapture;
DWORD mappedSizeInBytesCapture;
DWORD mappedDeviceFramesProcessedCapture;
void* pMappedDeviceBufferCapture;
DWORD lockOffsetInBytesPlayback;
DWORD lockSizeInBytesPlayback;
DWORD mappedSizeInBytesPlayback;
void* pMappedDeviceBufferPlayback;
DWORD prevReadCursorInBytesCapture = 0;
DWORD prevPlayCursorInBytesPlayback = 0;
ma_bool32 physicalPlayCursorLoopFlagPlayback = 0;
DWORD virtualWriteCursorInBytesPlayback = 0;
ma_bool32 virtualWriteCursorLoopFlagPlayback = 0;
ma_bool32 isPlaybackDeviceStarted = MA_FALSE;
ma_uint32 framesWrittenToPlaybackDevice = 0;
ma_uint32 waitTimeInMilliseconds = 1;
DWORD playbackBufferStatus = 0;
MA_ASSERT(pDevice != NULL);
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
hr = ma_IDirectSoundCaptureBuffer_Start((ma_IDirectSoundCaptureBuffer*)pDevice->dsound.pCaptureBuffer, MA_DSCBSTART_LOOPING);
if (FAILED(hr)) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[DirectSound] IDirectSoundCaptureBuffer_Start() failed.");
return ma_result_from_HRESULT(hr);
}
}
while (ma_device_get_state(pDevice) == ma_device_state_started) {
switch (pDevice->type)
{
case ma_device_type_duplex:
{
DWORD physicalCaptureCursorInBytes;
DWORD physicalReadCursorInBytes;
hr = ma_IDirectSoundCaptureBuffer_GetCurrentPosition((ma_IDirectSoundCaptureBuffer*)pDevice->dsound.pCaptureBuffer, &physicalCaptureCursorInBytes, &physicalReadCursorInBytes);
if (FAILED(hr)) {
return ma_result_from_HRESULT(hr);
}
if (physicalReadCursorInBytes == prevReadCursorInBytesCapture) {
ma_sleep(waitTimeInMilliseconds);
continue;
}
if (prevReadCursorInBytesCapture < physicalReadCursorInBytes) {
lockOffsetInBytesCapture = prevReadCursorInBytesCapture;
lockSizeInBytesCapture = (physicalReadCursorInBytes - prevReadCursorInBytesCapture);
} else {
if (prevReadCursorInBytesCapture < pDevice->capture.internalPeriodSizeInFrames*pDevice->capture.internalPeriods*bpfDeviceCapture) {
lockOffsetInBytesCapture = prevReadCursorInBytesCapture;
lockSizeInBytesCapture = (pDevice->capture.internalPeriodSizeInFrames*pDevice->capture.internalPeriods*bpfDeviceCapture) - prevReadCursorInBytesCapture;
} else {
lockOffsetInBytesCapture = 0;
lockSizeInBytesCapture = physicalReadCursorInBytes;
}
}
if (lockSizeInBytesCapture == 0) {
ma_sleep(waitTimeInMilliseconds);
continue;
}
hr = ma_IDirectSoundCaptureBuffer_Lock((ma_IDirectSoundCaptureBuffer*)pDevice->dsound.pCaptureBuffer, lockOffsetInBytesCapture, lockSizeInBytesCapture, &pMappedDeviceBufferCapture, &mappedSizeInBytesCapture, NULL, NULL, 0);
if (FAILED(hr)) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[DirectSound] Failed to map buffer from capture device in preparation for writing to the device.");
return ma_result_from_HRESULT(hr);
}
mappedDeviceFramesProcessedCapture = 0;
for (;;) {
ma_uint8 inputFramesInClientFormat[MA_DATA_CONVERTER_STACK_BUFFER_SIZE];
ma_uint32 inputFramesInClientFormatCap = sizeof(inputFramesInClientFormat) / ma_get_bytes_per_frame(pDevice->capture.format, pDevice->capture.channels);
ma_uint8 outputFramesInClientFormat[MA_DATA_CONVERTER_STACK_BUFFER_SIZE];
ma_uint32 outputFramesInClientFormatCap = sizeof(outputFramesInClientFormat) / ma_get_bytes_per_frame(pDevice->playback.format, pDevice->playback.channels);
ma_uint32 outputFramesInClientFormatCount;
ma_uint32 outputFramesInClientFormatConsumed = 0;
ma_uint64 clientCapturedFramesToProcess = ma_min(inputFramesInClientFormatCap, outputFramesInClientFormatCap);
ma_uint64 deviceCapturedFramesToProcess = (mappedSizeInBytesCapture / bpfDeviceCapture) - mappedDeviceFramesProcessedCapture;
void* pRunningMappedDeviceBufferCapture = ma_offset_ptr(pMappedDeviceBufferCapture, mappedDeviceFramesProcessedCapture * bpfDeviceCapture);
result = ma_data_converter_process_pcm_frames(&pDevice->capture.converter, pRunningMappedDeviceBufferCapture, &deviceCapturedFramesToProcess, inputFramesInClientFormat, &clientCapturedFramesToProcess);
if (result != MA_SUCCESS) {
break;
}
outputFramesInClientFormatCount = (ma_uint32)clientCapturedFramesToProcess;
mappedDeviceFramesProcessedCapture += (ma_uint32)deviceCapturedFramesToProcess;
ma_device__handle_data_callback(pDevice, outputFramesInClientFormat, inputFramesInClientFormat, (ma_uint32)clientCapturedFramesToProcess);
for (;;) {
ma_uint32 framesWrittenThisIteration;
DWORD physicalPlayCursorInBytes;
DWORD physicalWriteCursorInBytes;
DWORD availableBytesPlayback;
DWORD silentPaddingInBytes = 0;
if (FAILED(ma_IDirectSoundBuffer_GetCurrentPosition((ma_IDirectSoundBuffer*)pDevice->dsound.pPlaybackBuffer, &physicalPlayCursorInBytes, &physicalWriteCursorInBytes))) {
break;
}
if (physicalPlayCursorInBytes < prevPlayCursorInBytesPlayback) {
physicalPlayCursorLoopFlagPlayback = !physicalPlayCursorLoopFlagPlayback;
}
prevPlayCursorInBytesPlayback = physicalPlayCursorInBytes;
if (physicalPlayCursorLoopFlagPlayback == virtualWriteCursorLoopFlagPlayback) {
if (physicalPlayCursorInBytes <= virtualWriteCursorInBytesPlayback) {
availableBytesPlayback = (pDevice->playback.internalPeriodSizeInFrames*pDevice->playback.internalPeriods*bpfDevicePlayback) - virtualWriteCursorInBytesPlayback;
availableBytesPlayback += physicalPlayCursorInBytes;
} else {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_WARNING, "[DirectSound] (Duplex/Playback): Play cursor has moved in front of the write cursor (same loop iteration). physicalPlayCursorInBytes=%ld, virtualWriteCursorInBytes=%ld.\n", physicalPlayCursorInBytes, virtualWriteCursorInBytesPlayback);
availableBytesPlayback = 0;
}
} else {
if (physicalPlayCursorInBytes >= virtualWriteCursorInBytesPlayback) {
availableBytesPlayback = physicalPlayCursorInBytes - virtualWriteCursorInBytesPlayback;
} else {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_WARNING, "[DirectSound] (Duplex/Playback): Write cursor has moved behind the play cursor (different loop iterations). physicalPlayCursorInBytes=%ld, virtualWriteCursorInBytes=%ld.\n", physicalPlayCursorInBytes, virtualWriteCursorInBytesPlayback);
availableBytesPlayback = 0;
}
}
if (availableBytesPlayback == 0) {
if (!isPlaybackDeviceStarted) {
hr = ma_IDirectSoundBuffer_Play((ma_IDirectSoundBuffer*)pDevice->dsound.pPlaybackBuffer, 0, 0, MA_DSBPLAY_LOOPING);
if (FAILED(hr)) {
ma_IDirectSoundCaptureBuffer_Stop((ma_IDirectSoundCaptureBuffer*)pDevice->dsound.pCaptureBuffer);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[DirectSound] IDirectSoundBuffer_Play() failed.");
return ma_result_from_HRESULT(hr);
}
isPlaybackDeviceStarted = MA_TRUE;
} else {
ma_sleep(waitTimeInMilliseconds);
continue;
}
}
lockOffsetInBytesPlayback = virtualWriteCursorInBytesPlayback;
if (physicalPlayCursorLoopFlagPlayback == virtualWriteCursorLoopFlagPlayback) {
lockSizeInBytesPlayback = (pDevice->playback.internalPeriodSizeInFrames*pDevice->playback.internalPeriods*bpfDevicePlayback) - virtualWriteCursorInBytesPlayback;
} else {
lockSizeInBytesPlayback = physicalPlayCursorInBytes - virtualWriteCursorInBytesPlayback;
}
hr = ma_IDirectSoundBuffer_Lock((ma_IDirectSoundBuffer*)pDevice->dsound.pPlaybackBuffer, lockOffsetInBytesPlayback, lockSizeInBytesPlayback, &pMappedDeviceBufferPlayback, &mappedSizeInBytesPlayback, NULL, NULL, 0);
if (FAILED(hr)) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[DirectSound] Failed to map buffer from playback device in preparation for writing to the device.");
result = ma_result_from_HRESULT(hr);
break;
}
if (isPlaybackDeviceStarted) {
DWORD bytesQueuedForPlayback = (pDevice->playback.internalPeriodSizeInFrames*pDevice->playback.internalPeriods*bpfDevicePlayback) - availableBytesPlayback;
if (bytesQueuedForPlayback < (pDevice->playback.internalPeriodSizeInFrames*bpfDevicePlayback)) {
silentPaddingInBytes = (pDevice->playback.internalPeriodSizeInFrames*2*bpfDevicePlayback) - bytesQueuedForPlayback;
if (silentPaddingInBytes > lockSizeInBytesPlayback) {
silentPaddingInBytes = lockSizeInBytesPlayback;
}
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_WARNING, "[DirectSound] (Duplex/Playback) Playback buffer starved. availableBytesPlayback=%ld, silentPaddingInBytes=%ld\n", availableBytesPlayback, silentPaddingInBytes);
}
}
if (silentPaddingInBytes > 0) {
MA_ZERO_MEMORY(pMappedDeviceBufferPlayback, silentPaddingInBytes);
framesWrittenThisIteration = silentPaddingInBytes/bpfDevicePlayback;
} else {
ma_uint64 convertedFrameCountIn = (outputFramesInClientFormatCount - outputFramesInClientFormatConsumed);
ma_uint64 convertedFrameCountOut = mappedSizeInBytesPlayback/bpfDevicePlayback;
void* pConvertedFramesIn = ma_offset_ptr(outputFramesInClientFormat, outputFramesInClientFormatConsumed * bpfDevicePlayback);
void* pConvertedFramesOut = pMappedDeviceBufferPlayback;
result = ma_data_converter_process_pcm_frames(&pDevice->playback.converter, pConvertedFramesIn, &convertedFrameCountIn, pConvertedFramesOut, &convertedFrameCountOut);
if (result != MA_SUCCESS) {
break;
}
outputFramesInClientFormatConsumed += (ma_uint32)convertedFrameCountOut;
framesWrittenThisIteration = (ma_uint32)convertedFrameCountOut;
}
hr = ma_IDirectSoundBuffer_Unlock((ma_IDirectSoundBuffer*)pDevice->dsound.pPlaybackBuffer, pMappedDeviceBufferPlayback, framesWrittenThisIteration*bpfDevicePlayback, NULL, 0);
if (FAILED(hr)) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[DirectSound] Failed to unlock internal buffer from playback device after writing to the device.");
result = ma_result_from_HRESULT(hr);
break;
}
virtualWriteCursorInBytesPlayback += framesWrittenThisIteration*bpfDevicePlayback;
if ((virtualWriteCursorInBytesPlayback/bpfDevicePlayback) == pDevice->playback.internalPeriodSizeInFrames*pDevice->playback.internalPeriods) {
virtualWriteCursorInBytesPlayback = 0;
virtualWriteCursorLoopFlagPlayback = !virtualWriteCursorLoopFlagPlayback;
}
framesWrittenToPlaybackDevice += framesWrittenThisIteration;
if (!isPlaybackDeviceStarted && framesWrittenToPlaybackDevice >= (pDevice->playback.internalPeriodSizeInFrames*2)) {
hr = ma_IDirectSoundBuffer_Play((ma_IDirectSoundBuffer*)pDevice->dsound.pPlaybackBuffer, 0, 0, MA_DSBPLAY_LOOPING);
if (FAILED(hr)) {
ma_IDirectSoundCaptureBuffer_Stop((ma_IDirectSoundCaptureBuffer*)pDevice->dsound.pCaptureBuffer);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[DirectSound] IDirectSoundBuffer_Play() failed.");
return ma_result_from_HRESULT(hr);
}
isPlaybackDeviceStarted = MA_TRUE;
}
if (framesWrittenThisIteration < mappedSizeInBytesPlayback/bpfDevicePlayback) {
break;
}
}
if (clientCapturedFramesToProcess == 0) {
break;
}
}
hr = ma_IDirectSoundCaptureBuffer_Unlock((ma_IDirectSoundCaptureBuffer*)pDevice->dsound.pCaptureBuffer, pMappedDeviceBufferCapture, mappedSizeInBytesCapture, NULL, 0);
if (FAILED(hr)) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[DirectSound] Failed to unlock internal buffer from capture device after reading from the device.");
return ma_result_from_HRESULT(hr);
}
prevReadCursorInBytesCapture = (lockOffsetInBytesCapture + mappedSizeInBytesCapture);
} break;
case ma_device_type_capture:
{
DWORD physicalCaptureCursorInBytes;
DWORD physicalReadCursorInBytes;
hr = ma_IDirectSoundCaptureBuffer_GetCurrentPosition((ma_IDirectSoundCaptureBuffer*)pDevice->dsound.pCaptureBuffer, &physicalCaptureCursorInBytes, &physicalReadCursorInBytes);
if (FAILED(hr)) {
return MA_ERROR;
}
if (prevReadCursorInBytesCapture == physicalReadCursorInBytes) {
ma_sleep(waitTimeInMilliseconds);
continue;
}
if (prevReadCursorInBytesCapture < physicalReadCursorInBytes) {
lockOffsetInBytesCapture = prevReadCursorInBytesCapture;
lockSizeInBytesCapture = (physicalReadCursorInBytes - prevReadCursorInBytesCapture);
} else {
if (prevReadCursorInBytesCapture < pDevice->capture.internalPeriodSizeInFrames*pDevice->capture.internalPeriods*bpfDeviceCapture) {
lockOffsetInBytesCapture = prevReadCursorInBytesCapture;
lockSizeInBytesCapture = (pDevice->capture.internalPeriodSizeInFrames*pDevice->capture.internalPeriods*bpfDeviceCapture) - prevReadCursorInBytesCapture;
} else {
lockOffsetInBytesCapture = 0;
lockSizeInBytesCapture = physicalReadCursorInBytes;
}
}
if (lockSizeInBytesCapture < pDevice->capture.internalPeriodSizeInFrames) {
ma_sleep(waitTimeInMilliseconds);
continue;
}
hr = ma_IDirectSoundCaptureBuffer_Lock((ma_IDirectSoundCaptureBuffer*)pDevice->dsound.pCaptureBuffer, lockOffsetInBytesCapture, lockSizeInBytesCapture, &pMappedDeviceBufferCapture, &mappedSizeInBytesCapture, NULL, NULL, 0);
if (FAILED(hr)) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[DirectSound] Failed to map buffer from capture device in preparation for writing to the device.");
result = ma_result_from_HRESULT(hr);
}
if (lockSizeInBytesCapture != mappedSizeInBytesCapture) {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "[DirectSound] (Capture) lockSizeInBytesCapture=%ld != mappedSizeInBytesCapture=%ld\n", lockSizeInBytesCapture, mappedSizeInBytesCapture);
}
ma_device__send_frames_to_client(pDevice, mappedSizeInBytesCapture/bpfDeviceCapture, pMappedDeviceBufferCapture);
hr = ma_IDirectSoundCaptureBuffer_Unlock((ma_IDirectSoundCaptureBuffer*)pDevice->dsound.pCaptureBuffer, pMappedDeviceBufferCapture, mappedSizeInBytesCapture, NULL, 0);
if (FAILED(hr)) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[DirectSound] Failed to unlock internal buffer from capture device after reading from the device.");
return ma_result_from_HRESULT(hr);
}
prevReadCursorInBytesCapture = lockOffsetInBytesCapture + mappedSizeInBytesCapture;
if (prevReadCursorInBytesCapture == (pDevice->capture.internalPeriodSizeInFrames*pDevice->capture.internalPeriods*bpfDeviceCapture)) {
prevReadCursorInBytesCapture = 0;
}
} break;
case ma_device_type_playback:
{
DWORD availableBytesPlayback;
DWORD physicalPlayCursorInBytes;
DWORD physicalWriteCursorInBytes;
hr = ma_IDirectSoundBuffer_GetCurrentPosition((ma_IDirectSoundBuffer*)pDevice->dsound.pPlaybackBuffer, &physicalPlayCursorInBytes, &physicalWriteCursorInBytes);
if (FAILED(hr)) {
break;
}
hr = ma_IDirectSoundBuffer_GetStatus((ma_IDirectSoundBuffer*)pDevice->dsound.pPlaybackBuffer, &playbackBufferStatus);
if (SUCCEEDED(hr) && (playbackBufferStatus & MA_DSBSTATUS_PLAYING) == 0 && isPlaybackDeviceStarted) {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, "[DirectSound] Attempting to resume audio due to state: %d.", (int)playbackBufferStatus);
hr = ma_IDirectSoundBuffer_Play((ma_IDirectSoundBuffer*)pDevice->dsound.pPlaybackBuffer, 0, 0, MA_DSBPLAY_LOOPING);
if (FAILED(hr)) {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[DirectSound] IDirectSoundBuffer_Play() failed after attempting to resume from state %d.", (int)playbackBufferStatus);
return ma_result_from_HRESULT(hr);
}
isPlaybackDeviceStarted = MA_TRUE;
ma_sleep(waitTimeInMilliseconds);
continue;
}
if (physicalPlayCursorInBytes < prevPlayCursorInBytesPlayback) {
physicalPlayCursorLoopFlagPlayback = !physicalPlayCursorLoopFlagPlayback;
}
prevPlayCursorInBytesPlayback = physicalPlayCursorInBytes;
if (physicalPlayCursorLoopFlagPlayback == virtualWriteCursorLoopFlagPlayback) {
if (physicalPlayCursorInBytes <= virtualWriteCursorInBytesPlayback) {
availableBytesPlayback = (pDevice->playback.internalPeriodSizeInFrames*pDevice->playback.internalPeriods*bpfDevicePlayback) - virtualWriteCursorInBytesPlayback;
availableBytesPlayback += physicalPlayCursorInBytes;
} else {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_WARNING, "[DirectSound] (Playback): Play cursor has moved in front of the write cursor (same loop iterations). physicalPlayCursorInBytes=%ld, virtualWriteCursorInBytes=%ld.\n", physicalPlayCursorInBytes, virtualWriteCursorInBytesPlayback);
availableBytesPlayback = 0;
}
} else {
if (physicalPlayCursorInBytes >= virtualWriteCursorInBytesPlayback) {
availableBytesPlayback = physicalPlayCursorInBytes - virtualWriteCursorInBytesPlayback;
} else {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_WARNING, "[DirectSound] (Playback): Write cursor has moved behind the play cursor (different loop iterations). physicalPlayCursorInBytes=%ld, virtualWriteCursorInBytes=%ld.\n", physicalPlayCursorInBytes, virtualWriteCursorInBytesPlayback);
availableBytesPlayback = 0;
}
}
if (availableBytesPlayback < pDevice->playback.internalPeriodSizeInFrames) {
if (availableBytesPlayback == 0 && !isPlaybackDeviceStarted) {
hr = ma_IDirectSoundBuffer_Play((ma_IDirectSoundBuffer*)pDevice->dsound.pPlaybackBuffer, 0, 0, MA_DSBPLAY_LOOPING);
if (FAILED(hr)) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[DirectSound] IDirectSoundBuffer_Play() failed.");
return ma_result_from_HRESULT(hr);
}
isPlaybackDeviceStarted = MA_TRUE;
} else {
ma_sleep(waitTimeInMilliseconds);
continue;
}
}
lockOffsetInBytesPlayback = virtualWriteCursorInBytesPlayback;
if (physicalPlayCursorLoopFlagPlayback == virtualWriteCursorLoopFlagPlayback) {
lockSizeInBytesPlayback = (pDevice->playback.internalPeriodSizeInFrames*pDevice->playback.internalPeriods*bpfDevicePlayback) - virtualWriteCursorInBytesPlayback;
} else {
lockSizeInBytesPlayback = physicalPlayCursorInBytes - virtualWriteCursorInBytesPlayback;
}
hr = ma_IDirectSoundBuffer_Lock((ma_IDirectSoundBuffer*)pDevice->dsound.pPlaybackBuffer, lockOffsetInBytesPlayback, lockSizeInBytesPlayback, &pMappedDeviceBufferPlayback, &mappedSizeInBytesPlayback, NULL, NULL, 0);
if (FAILED(hr)) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[DirectSound] Failed to map buffer from playback device in preparation for writing to the device.");
result = ma_result_from_HRESULT(hr);
break;
}
ma_device__read_frames_from_client(pDevice, (mappedSizeInBytesPlayback/bpfDevicePlayback), pMappedDeviceBufferPlayback);
hr = ma_IDirectSoundBuffer_Unlock((ma_IDirectSoundBuffer*)pDevice->dsound.pPlaybackBuffer, pMappedDeviceBufferPlayback, mappedSizeInBytesPlayback, NULL, 0);
if (FAILED(hr)) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[DirectSound] Failed to unlock internal buffer from playback device after writing to the device.");
result = ma_result_from_HRESULT(hr);
break;
}
virtualWriteCursorInBytesPlayback += mappedSizeInBytesPlayback;
if (virtualWriteCursorInBytesPlayback == pDevice->playback.internalPeriodSizeInFrames*pDevice->playback.internalPeriods*bpfDevicePlayback) {
virtualWriteCursorInBytesPlayback = 0;
virtualWriteCursorLoopFlagPlayback = !virtualWriteCursorLoopFlagPlayback;
}
framesWrittenToPlaybackDevice += mappedSizeInBytesPlayback/bpfDevicePlayback;
if (!isPlaybackDeviceStarted && framesWrittenToPlaybackDevice >= pDevice->playback.internalPeriodSizeInFrames) {
hr = ma_IDirectSoundBuffer_Play((ma_IDirectSoundBuffer*)pDevice->dsound.pPlaybackBuffer, 0, 0, MA_DSBPLAY_LOOPING);
if (FAILED(hr)) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[DirectSound] IDirectSoundBuffer_Play() failed.");
return ma_result_from_HRESULT(hr);
}
isPlaybackDeviceStarted = MA_TRUE;
}
} break;
default: return MA_INVALID_ARGS;
}
if (result != MA_SUCCESS) {
return result;
}
}
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
hr = ma_IDirectSoundCaptureBuffer_Stop((ma_IDirectSoundCaptureBuffer*)pDevice->dsound.pCaptureBuffer);
if (FAILED(hr)) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[DirectSound] IDirectSoundCaptureBuffer_Stop() failed.");
return ma_result_from_HRESULT(hr);
}
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
if (isPlaybackDeviceStarted) {
for (;;) {
DWORD availableBytesPlayback = 0;
DWORD physicalPlayCursorInBytes;
DWORD physicalWriteCursorInBytes;
hr = ma_IDirectSoundBuffer_GetCurrentPosition((ma_IDirectSoundBuffer*)pDevice->dsound.pPlaybackBuffer, &physicalPlayCursorInBytes, &physicalWriteCursorInBytes);
if (FAILED(hr)) {
break;
}
if (physicalPlayCursorInBytes < prevPlayCursorInBytesPlayback) {
physicalPlayCursorLoopFlagPlayback = !physicalPlayCursorLoopFlagPlayback;
}
prevPlayCursorInBytesPlayback = physicalPlayCursorInBytes;
if (physicalPlayCursorLoopFlagPlayback == virtualWriteCursorLoopFlagPlayback) {
if (physicalPlayCursorInBytes <= virtualWriteCursorInBytesPlayback) {
availableBytesPlayback = (pDevice->playback.internalPeriodSizeInFrames*pDevice->playback.internalPeriods*bpfDevicePlayback) - virtualWriteCursorInBytesPlayback;
availableBytesPlayback += physicalPlayCursorInBytes;
} else {
break;
}
} else {
if (physicalPlayCursorInBytes >= virtualWriteCursorInBytesPlayback) {
availableBytesPlayback = physicalPlayCursorInBytes - virtualWriteCursorInBytesPlayback;
} else {
break;
}
}
if (availableBytesPlayback >= (pDevice->playback.internalPeriodSizeInFrames*pDevice->playback.internalPeriods*bpfDevicePlayback)) {
break;
}
ma_sleep(waitTimeInMilliseconds);
}
}
hr = ma_IDirectSoundBuffer_Stop((ma_IDirectSoundBuffer*)pDevice->dsound.pPlaybackBuffer);
if (FAILED(hr)) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[DirectSound] IDirectSoundBuffer_Stop() failed.");
return ma_result_from_HRESULT(hr);
}
ma_IDirectSoundBuffer_SetCurrentPosition((ma_IDirectSoundBuffer*)pDevice->dsound.pPlaybackBuffer, 0);
}
return MA_SUCCESS;
}
static ma_result ma_context_uninit__dsound(ma_context* pContext)
{
MA_ASSERT(pContext != NULL);
MA_ASSERT(pContext->backend == ma_backend_dsound);
ma_dlclose(ma_context_get_log(pContext), pContext->dsound.hDSoundDLL);
return MA_SUCCESS;
}
static ma_result ma_context_init__dsound(ma_context* pContext, const ma_context_config* pConfig, ma_backend_callbacks* pCallbacks)
{
MA_ASSERT(pContext != NULL);
(void)pConfig;
pContext->dsound.hDSoundDLL = ma_dlopen(ma_context_get_log(pContext), "dsound.dll");
if (pContext->dsound.hDSoundDLL == NULL) {
return MA_API_NOT_FOUND;
}
pContext->dsound.DirectSoundCreate = ma_dlsym(ma_context_get_log(pContext), pContext->dsound.hDSoundDLL, "DirectSoundCreate");
pContext->dsound.DirectSoundEnumerateA = ma_dlsym(ma_context_get_log(pContext), pContext->dsound.hDSoundDLL, "DirectSoundEnumerateA");
pContext->dsound.DirectSoundCaptureCreate = ma_dlsym(ma_context_get_log(pContext), pContext->dsound.hDSoundDLL, "DirectSoundCaptureCreate");
pContext->dsound.DirectSoundCaptureEnumerateA = ma_dlsym(ma_context_get_log(pContext), pContext->dsound.hDSoundDLL, "DirectSoundCaptureEnumerateA");
if (pContext->dsound.DirectSoundCreate == NULL ||
pContext->dsound.DirectSoundEnumerateA == NULL ||
pContext->dsound.DirectSoundCaptureCreate == NULL ||
pContext->dsound.DirectSoundCaptureEnumerateA == NULL) {
return MA_API_NOT_FOUND;
}
pContext->dsound.hWnd = pConfig->dsound.hWnd;
pCallbacks->onContextInit = ma_context_init__dsound;
pCallbacks->onContextUninit = ma_context_uninit__dsound;
pCallbacks->onContextEnumerateDevices = ma_context_enumerate_devices__dsound;
pCallbacks->onContextGetDeviceInfo = ma_context_get_device_info__dsound;
pCallbacks->onDeviceInit = ma_device_init__dsound;
pCallbacks->onDeviceUninit = ma_device_uninit__dsound;
pCallbacks->onDeviceStart = NULL;
pCallbacks->onDeviceStop = NULL;
pCallbacks->onDeviceRead = NULL;
pCallbacks->onDeviceWrite = NULL;
pCallbacks->onDeviceDataLoop = ma_device_data_loop__dsound;
return MA_SUCCESS;
}
#endif
#ifdef MA_HAS_WINMM
#define MA_MMSYSERR_NOERROR 0
#define MA_MMSYSERR_ERROR 1
#define MA_MMSYSERR_BADDEVICEID 2
#define MA_MMSYSERR_INVALHANDLE 5
#define MA_MMSYSERR_NOMEM 7
#define MA_MMSYSERR_INVALFLAG 10
#define MA_MMSYSERR_INVALPARAM 11
#define MA_MMSYSERR_HANDLEBUSY 12
#define MA_CALLBACK_EVENT 0x00050000
#define MA_WAVE_ALLOWSYNC 0x0002
#define MA_WHDR_DONE 0x00000001
#define MA_WHDR_PREPARED 0x00000002
#define MA_WHDR_BEGINLOOP 0x00000004
#define MA_WHDR_ENDLOOP 0x00000008
#define MA_WHDR_INQUEUE 0x00000010
#define MA_MAXPNAMELEN 32
typedef void* MA_HWAVEIN;
typedef void* MA_HWAVEOUT;
typedef UINT MA_MMRESULT;
typedef UINT MA_MMVERSION;
typedef struct
{
WORD wMid;
WORD wPid;
MA_MMVERSION vDriverVersion;
CHAR szPname[MA_MAXPNAMELEN];
DWORD dwFormats;
WORD wChannels;
WORD wReserved1;
} MA_WAVEINCAPSA;
typedef struct
{
WORD wMid;
WORD wPid;
MA_MMVERSION vDriverVersion;
CHAR szPname[MA_MAXPNAMELEN];
DWORD dwFormats;
WORD wChannels;
WORD wReserved1;
DWORD dwSupport;
} MA_WAVEOUTCAPSA;
typedef struct tagWAVEHDR
{
char* lpData;
DWORD dwBufferLength;
DWORD dwBytesRecorded;
DWORD_PTR dwUser;
DWORD dwFlags;
DWORD dwLoops;
struct tagWAVEHDR* lpNext;
DWORD_PTR reserved;
} MA_WAVEHDR;
typedef struct
{
WORD wMid;
WORD wPid;
MA_MMVERSION vDriverVersion;
CHAR szPname[MA_MAXPNAMELEN];
DWORD dwFormats;
WORD wChannels;
WORD wReserved1;
DWORD dwSupport;
GUID ManufacturerGuid;
GUID ProductGuid;
GUID NameGuid;
} MA_WAVEOUTCAPS2A;
typedef struct
{
WORD wMid;
WORD wPid;
MA_MMVERSION vDriverVersion;
CHAR szPname[MA_MAXPNAMELEN];
DWORD dwFormats;
WORD wChannels;
WORD wReserved1;
GUID ManufacturerGuid;
GUID ProductGuid;
GUID NameGuid;
} MA_WAVEINCAPS2A;
typedef UINT (WINAPI * MA_PFN_waveOutGetNumDevs)(void);
typedef MA_MMRESULT (WINAPI * MA_PFN_waveOutGetDevCapsA)(ma_uintptr uDeviceID, MA_WAVEOUTCAPSA* pwoc, UINT cbwoc);
typedef MA_MMRESULT (WINAPI * MA_PFN_waveOutOpen)(MA_HWAVEOUT* phwo, UINT uDeviceID, const MA_WAVEFORMATEX* pwfx, DWORD_PTR dwCallback, DWORD_PTR dwInstance, DWORD fdwOpen);
typedef MA_MMRESULT (WINAPI * MA_PFN_waveOutClose)(MA_HWAVEOUT hwo);
typedef MA_MMRESULT (WINAPI * MA_PFN_waveOutPrepareHeader)(MA_HWAVEOUT hwo, MA_WAVEHDR* pwh, UINT cbwh);
typedef MA_MMRESULT (WINAPI * MA_PFN_waveOutUnprepareHeader)(MA_HWAVEOUT hwo, MA_WAVEHDR* pwh, UINT cbwh);
typedef MA_MMRESULT (WINAPI * MA_PFN_waveOutWrite)(MA_HWAVEOUT hwo, MA_WAVEHDR* pwh, UINT cbwh);
typedef MA_MMRESULT (WINAPI * MA_PFN_waveOutReset)(MA_HWAVEOUT hwo);
typedef UINT (WINAPI * MA_PFN_waveInGetNumDevs)(void);
typedef MA_MMRESULT (WINAPI * MA_PFN_waveInGetDevCapsA)(ma_uintptr uDeviceID, MA_WAVEINCAPSA* pwic, UINT cbwic);
typedef MA_MMRESULT (WINAPI * MA_PFN_waveInOpen)(MA_HWAVEIN* phwi, UINT uDeviceID, const MA_WAVEFORMATEX* pwfx, DWORD_PTR dwCallback, DWORD_PTR dwInstance, DWORD fdwOpen);
typedef MA_MMRESULT (WINAPI * MA_PFN_waveInClose)(MA_HWAVEIN hwi);
typedef MA_MMRESULT (WINAPI * MA_PFN_waveInPrepareHeader)(MA_HWAVEIN hwi, MA_WAVEHDR* pwh, UINT cbwh);
typedef MA_MMRESULT (WINAPI * MA_PFN_waveInUnprepareHeader)(MA_HWAVEIN hwi, MA_WAVEHDR* pwh, UINT cbwh);
typedef MA_MMRESULT (WINAPI * MA_PFN_waveInAddBuffer)(MA_HWAVEIN hwi, MA_WAVEHDR* pwh, UINT cbwh);
typedef MA_MMRESULT (WINAPI * MA_PFN_waveInStart)(MA_HWAVEIN hwi);
typedef MA_MMRESULT (WINAPI * MA_PFN_waveInReset)(MA_HWAVEIN hwi);
static ma_result ma_result_from_MMRESULT(MA_MMRESULT resultMM)
{
switch (resultMM)
{
case MA_MMSYSERR_NOERROR: return MA_SUCCESS;
case MA_MMSYSERR_BADDEVICEID: return MA_INVALID_ARGS;
case MA_MMSYSERR_INVALHANDLE: return MA_INVALID_ARGS;
case MA_MMSYSERR_NOMEM: return MA_OUT_OF_MEMORY;
case MA_MMSYSERR_INVALFLAG: return MA_INVALID_ARGS;
case MA_MMSYSERR_INVALPARAM: return MA_INVALID_ARGS;
case MA_MMSYSERR_HANDLEBUSY: return MA_BUSY;
case MA_MMSYSERR_ERROR: return MA_ERROR;
default: return MA_ERROR;
}
}
static char* ma_find_last_character(char* str, char ch)
{
char* last;
if (str == NULL) {
return NULL;
}
last = NULL;
while (*str != '\0') {
if (*str == ch) {
last = str;
}
str += 1;
}
return last;
}
static ma_uint32 ma_get_period_size_in_bytes(ma_uint32 periodSizeInFrames, ma_format format, ma_uint32 channels)
{
return periodSizeInFrames * ma_get_bytes_per_frame(format, channels);
}
typedef struct
{
CHAR szPname[MA_MAXPNAMELEN];
DWORD dwFormats;
WORD wChannels;
GUID NameGuid;
} MA_WAVECAPSA;
static ma_result ma_get_best_info_from_formats_flags__winmm(DWORD dwFormats, WORD channels, WORD* pBitsPerSample, DWORD* pSampleRate)
{
WORD bitsPerSample = 0;
DWORD sampleRate = 0;
if (pBitsPerSample) {
*pBitsPerSample = 0;
}
if (pSampleRate) {
*pSampleRate = 0;
}
if (channels == 1) {
bitsPerSample = 16;
if ((dwFormats & WAVE_FORMAT_48M16) != 0) {
sampleRate = 48000;
} else if ((dwFormats & WAVE_FORMAT_44M16) != 0) {
sampleRate = 44100;
} else if ((dwFormats & WAVE_FORMAT_2M16) != 0) {
sampleRate = 22050;
} else if ((dwFormats & WAVE_FORMAT_1M16) != 0) {
sampleRate = 11025;
} else if ((dwFormats & WAVE_FORMAT_96M16) != 0) {
sampleRate = 96000;
} else {
bitsPerSample = 8;
if ((dwFormats & WAVE_FORMAT_48M08) != 0) {
sampleRate = 48000;
} else if ((dwFormats & WAVE_FORMAT_44M08) != 0) {
sampleRate = 44100;
} else if ((dwFormats & WAVE_FORMAT_2M08) != 0) {
sampleRate = 22050;
} else if ((dwFormats & WAVE_FORMAT_1M08) != 0) {
sampleRate = 11025;
} else if ((dwFormats & WAVE_FORMAT_96M08) != 0) {
sampleRate = 96000;
} else {
return MA_FORMAT_NOT_SUPPORTED;
}
}
} else {
bitsPerSample = 16;
if ((dwFormats & WAVE_FORMAT_48S16) != 0) {
sampleRate = 48000;
} else if ((dwFormats & WAVE_FORMAT_44S16) != 0) {
sampleRate = 44100;
} else if ((dwFormats & WAVE_FORMAT_2S16) != 0) {
sampleRate = 22050;
} else if ((dwFormats & WAVE_FORMAT_1S16) != 0) {
sampleRate = 11025;
} else if ((dwFormats & WAVE_FORMAT_96S16) != 0) {
sampleRate = 96000;
} else {
bitsPerSample = 8;
if ((dwFormats & WAVE_FORMAT_48S08) != 0) {
sampleRate = 48000;
} else if ((dwFormats & WAVE_FORMAT_44S08) != 0) {
sampleRate = 44100;
} else if ((dwFormats & WAVE_FORMAT_2S08) != 0) {
sampleRate = 22050;
} else if ((dwFormats & WAVE_FORMAT_1S08) != 0) {
sampleRate = 11025;
} else if ((dwFormats & WAVE_FORMAT_96S08) != 0) {
sampleRate = 96000;
} else {
return MA_FORMAT_NOT_SUPPORTED;
}
}
}
if (pBitsPerSample) {
*pBitsPerSample = bitsPerSample;
}
if (pSampleRate) {
*pSampleRate = sampleRate;
}
return MA_SUCCESS;
}
static ma_result ma_formats_flags_to_WAVEFORMATEX__winmm(DWORD dwFormats, WORD channels, MA_WAVEFORMATEX* pWF)
{
ma_result result;
MA_ASSERT(pWF != NULL);
MA_ZERO_OBJECT(pWF);
pWF->cbSize = sizeof(*pWF);
pWF->wFormatTag = WAVE_FORMAT_PCM;
pWF->nChannels = (WORD)channels;
if (pWF->nChannels > 2) {
pWF->nChannels = 2;
}
result = ma_get_best_info_from_formats_flags__winmm(dwFormats, channels, &pWF->wBitsPerSample, &pWF->nSamplesPerSec);
if (result != MA_SUCCESS) {
return result;
}
pWF->nBlockAlign = (WORD)(pWF->nChannels * pWF->wBitsPerSample / 8);
pWF->nAvgBytesPerSec = pWF->nBlockAlign * pWF->nSamplesPerSec;
return MA_SUCCESS;
}
static ma_result ma_context_get_device_info_from_WAVECAPS(ma_context* pContext, MA_WAVECAPSA* pCaps, ma_device_info* pDeviceInfo)
{
WORD bitsPerSample;
DWORD sampleRate;
ma_result result;
MA_ASSERT(pContext != NULL);
MA_ASSERT(pCaps != NULL);
MA_ASSERT(pDeviceInfo != NULL);
ma_strncpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), pCaps->szPname, (size_t)-1);
if (!ma_is_guid_null(&pCaps->NameGuid)) {
WCHAR guidStrW[256];
if (((MA_PFN_StringFromGUID2)pContext->win32.StringFromGUID2)(&pCaps->NameGuid, guidStrW, ma_countof(guidStrW)) > 0) {
char guidStr[256];
char keyStr[1024];
HKEY hKey;
WideCharToMultiByte(CP_UTF8, 0, guidStrW, -1, guidStr, sizeof(guidStr), 0, FALSE);
ma_strcpy_s(keyStr, sizeof(keyStr), "SYSTEM\\CurrentControlSet\\Control\\MediaCategories\\");
ma_strcat_s(keyStr, sizeof(keyStr), guidStr);
if (((MA_PFN_RegOpenKeyExA)pContext->win32.RegOpenKeyExA)(HKEY_LOCAL_MACHINE, keyStr, 0, KEY_READ, &hKey) == ERROR_SUCCESS) {
BYTE nameFromReg[512];
DWORD nameFromRegSize = sizeof(nameFromReg);
LONG resultWin32 = ((MA_PFN_RegQueryValueExA)pContext->win32.RegQueryValueExA)(hKey, "Name", 0, NULL, (BYTE*)nameFromReg, (DWORD*)&nameFromRegSize);
((MA_PFN_RegCloseKey)pContext->win32.RegCloseKey)(hKey);
if (resultWin32 == ERROR_SUCCESS) {
char name[1024];
if (ma_strcpy_s(name, sizeof(name), pDeviceInfo->name) == 0) {
char* nameBeg = ma_find_last_character(name, '(');
if (nameBeg != NULL) {
size_t leadingLen = (nameBeg - name);
ma_strncpy_s(nameBeg + 1, sizeof(name) - leadingLen, (const char*)nameFromReg, (size_t)-1);
if (leadingLen + nameFromRegSize < sizeof(name)-1) {
ma_strcat_s(name, sizeof(name), ")");
}
ma_strncpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), name, (size_t)-1);
}
}
}
}
}
}
result = ma_get_best_info_from_formats_flags__winmm(pCaps->dwFormats, pCaps->wChannels, &bitsPerSample, &sampleRate);
if (result != MA_SUCCESS) {
return result;
}
if (bitsPerSample == 8) {
pDeviceInfo->nativeDataFormats[0].format = ma_format_u8;
} else if (bitsPerSample == 16) {
pDeviceInfo->nativeDataFormats[0].format = ma_format_s16;
} else if (bitsPerSample == 24) {
pDeviceInfo->nativeDataFormats[0].format = ma_format_s24;
} else if (bitsPerSample == 32) {
pDeviceInfo->nativeDataFormats[0].format = ma_format_s32;
} else {
return MA_FORMAT_NOT_SUPPORTED;
}
pDeviceInfo->nativeDataFormats[0].channels = pCaps->wChannels;
pDeviceInfo->nativeDataFormats[0].sampleRate = sampleRate;
pDeviceInfo->nativeDataFormats[0].flags = 0;
pDeviceInfo->nativeDataFormatCount = 1;
return MA_SUCCESS;
}
static ma_result ma_context_get_device_info_from_WAVEOUTCAPS2(ma_context* pContext, MA_WAVEOUTCAPS2A* pCaps, ma_device_info* pDeviceInfo)
{
MA_WAVECAPSA caps;
MA_ASSERT(pContext != NULL);
MA_ASSERT(pCaps != NULL);
MA_ASSERT(pDeviceInfo != NULL);
MA_COPY_MEMORY(caps.szPname, pCaps->szPname, sizeof(caps.szPname));
caps.dwFormats = pCaps->dwFormats;
caps.wChannels = pCaps->wChannels;
caps.NameGuid = pCaps->NameGuid;
return ma_context_get_device_info_from_WAVECAPS(pContext, &caps, pDeviceInfo);
}
static ma_result ma_context_get_device_info_from_WAVEINCAPS2(ma_context* pContext, MA_WAVEINCAPS2A* pCaps, ma_device_info* pDeviceInfo)
{
MA_WAVECAPSA caps;
MA_ASSERT(pContext != NULL);
MA_ASSERT(pCaps != NULL);
MA_ASSERT(pDeviceInfo != NULL);
MA_COPY_MEMORY(caps.szPname, pCaps->szPname, sizeof(caps.szPname));
caps.dwFormats = pCaps->dwFormats;
caps.wChannels = pCaps->wChannels;
caps.NameGuid = pCaps->NameGuid;
return ma_context_get_device_info_from_WAVECAPS(pContext, &caps, pDeviceInfo);
}
static ma_result ma_context_enumerate_devices__winmm(ma_context* pContext, ma_enum_devices_callback_proc callback, void* pUserData)
{
UINT playbackDeviceCount;
UINT captureDeviceCount;
UINT iPlaybackDevice;
UINT iCaptureDevice;
MA_ASSERT(pContext != NULL);
MA_ASSERT(callback != NULL);
playbackDeviceCount = ((MA_PFN_waveOutGetNumDevs)pContext->winmm.waveOutGetNumDevs)();
for (iPlaybackDevice = 0; iPlaybackDevice < playbackDeviceCount; ++iPlaybackDevice) {
MA_MMRESULT result;
MA_WAVEOUTCAPS2A caps;
MA_ZERO_OBJECT(&caps);
result = ((MA_PFN_waveOutGetDevCapsA)pContext->winmm.waveOutGetDevCapsA)(iPlaybackDevice, (MA_WAVEOUTCAPSA*)&caps, sizeof(caps));
if (result == MA_MMSYSERR_NOERROR) {
ma_device_info deviceInfo;
MA_ZERO_OBJECT(&deviceInfo);
deviceInfo.id.winmm = iPlaybackDevice;
if (iPlaybackDevice == 0) {
deviceInfo.isDefault = MA_TRUE;
}
if (ma_context_get_device_info_from_WAVEOUTCAPS2(pContext, &caps, &deviceInfo) == MA_SUCCESS) {
ma_bool32 cbResult = callback(pContext, ma_device_type_playback, &deviceInfo, pUserData);
if (cbResult == MA_FALSE) {
return MA_SUCCESS;
}
}
}
}
captureDeviceCount = ((MA_PFN_waveInGetNumDevs)pContext->winmm.waveInGetNumDevs)();
for (iCaptureDevice = 0; iCaptureDevice < captureDeviceCount; ++iCaptureDevice) {
MA_MMRESULT result;
MA_WAVEINCAPS2A caps;
MA_ZERO_OBJECT(&caps);
result = ((MA_PFN_waveInGetDevCapsA)pContext->winmm.waveInGetDevCapsA)(iCaptureDevice, (MA_WAVEINCAPSA*)&caps, sizeof(caps));
if (result == MA_MMSYSERR_NOERROR) {
ma_device_info deviceInfo;
MA_ZERO_OBJECT(&deviceInfo);
deviceInfo.id.winmm = iCaptureDevice;
if (iCaptureDevice == 0) {
deviceInfo.isDefault = MA_TRUE;
}
if (ma_context_get_device_info_from_WAVEINCAPS2(pContext, &caps, &deviceInfo) == MA_SUCCESS) {
ma_bool32 cbResult = callback(pContext, ma_device_type_capture, &deviceInfo, pUserData);
if (cbResult == MA_FALSE) {
return MA_SUCCESS;
}
}
}
}
return MA_SUCCESS;
}
static ma_result ma_context_get_device_info__winmm(ma_context* pContext, ma_device_type deviceType, const ma_device_id* pDeviceID, ma_device_info* pDeviceInfo)
{
UINT winMMDeviceID;
MA_ASSERT(pContext != NULL);
winMMDeviceID = 0;
if (pDeviceID != NULL) {
winMMDeviceID = (UINT)pDeviceID->winmm;
}
pDeviceInfo->id.winmm = winMMDeviceID;
if (winMMDeviceID == 0) {
pDeviceInfo->isDefault = MA_TRUE;
}
if (deviceType == ma_device_type_playback) {
MA_MMRESULT result;
MA_WAVEOUTCAPS2A caps;
MA_ZERO_OBJECT(&caps);
result = ((MA_PFN_waveOutGetDevCapsA)pContext->winmm.waveOutGetDevCapsA)(winMMDeviceID, (MA_WAVEOUTCAPSA*)&caps, sizeof(caps));
if (result == MA_MMSYSERR_NOERROR) {
return ma_context_get_device_info_from_WAVEOUTCAPS2(pContext, &caps, pDeviceInfo);
}
} else {
MA_MMRESULT result;
MA_WAVEINCAPS2A caps;
MA_ZERO_OBJECT(&caps);
result = ((MA_PFN_waveInGetDevCapsA)pContext->winmm.waveInGetDevCapsA)(winMMDeviceID, (MA_WAVEINCAPSA*)&caps, sizeof(caps));
if (result == MA_MMSYSERR_NOERROR) {
return ma_context_get_device_info_from_WAVEINCAPS2(pContext, &caps, pDeviceInfo);
}
}
return MA_NO_DEVICE;
}
static ma_result ma_device_uninit__winmm(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
((MA_PFN_waveInClose)pDevice->pContext->winmm.waveInClose)((MA_HWAVEIN)pDevice->winmm.hDeviceCapture);
CloseHandle((HANDLE)pDevice->winmm.hEventCapture);
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
((MA_PFN_waveOutReset)pDevice->pContext->winmm.waveOutReset)((MA_HWAVEOUT)pDevice->winmm.hDevicePlayback);
((MA_PFN_waveOutClose)pDevice->pContext->winmm.waveOutClose)((MA_HWAVEOUT)pDevice->winmm.hDevicePlayback);
CloseHandle((HANDLE)pDevice->winmm.hEventPlayback);
}
ma_free(pDevice->winmm._pHeapData, &pDevice->pContext->allocationCallbacks);
MA_ZERO_OBJECT(&pDevice->winmm);
return MA_SUCCESS;
}
static ma_uint32 ma_calculate_period_size_in_frames_from_descriptor__winmm(const ma_device_descriptor* pDescriptor, ma_uint32 nativeSampleRate, ma_performance_profile performanceProfile)
{
ma_uint32 minPeriodSizeInFrames = ma_calculate_buffer_size_in_frames_from_milliseconds(40, nativeSampleRate);
ma_uint32 periodSizeInFrames;
periodSizeInFrames = ma_calculate_buffer_size_in_frames_from_descriptor(pDescriptor, nativeSampleRate, performanceProfile);
if (periodSizeInFrames < minPeriodSizeInFrames) {
periodSizeInFrames = minPeriodSizeInFrames;
}
return periodSizeInFrames;
}
static ma_result ma_device_init__winmm(ma_device* pDevice, const ma_device_config* pConfig, ma_device_descriptor* pDescriptorPlayback, ma_device_descriptor* pDescriptorCapture)
{
const char* errorMsg = "";
ma_result errorCode = MA_ERROR;
ma_result result = MA_SUCCESS;
ma_uint32 heapSize;
UINT winMMDeviceIDPlayback = 0;
UINT winMMDeviceIDCapture = 0;
MA_ASSERT(pDevice != NULL);
MA_ZERO_OBJECT(&pDevice->winmm);
if (pConfig->deviceType == ma_device_type_loopback) {
return MA_DEVICE_TYPE_NOT_SUPPORTED;
}
if (((pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex) && pDescriptorPlayback->shareMode == ma_share_mode_exclusive) ||
((pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex) && pDescriptorCapture->shareMode == ma_share_mode_exclusive)) {
return MA_SHARE_MODE_NOT_SUPPORTED;
}
if (pDescriptorPlayback->pDeviceID != NULL) {
winMMDeviceIDPlayback = (UINT)pDescriptorPlayback->pDeviceID->winmm;
}
if (pDescriptorCapture->pDeviceID != NULL) {
winMMDeviceIDCapture = (UINT)pDescriptorCapture->pDeviceID->winmm;
}
if (pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex) {
MA_WAVEINCAPSA caps;
MA_WAVEFORMATEX wf;
MA_MMRESULT resultMM;
pDevice->winmm.hEventCapture = (ma_handle)CreateEventA(NULL, TRUE, TRUE, NULL);
if (pDevice->winmm.hEventCapture == NULL) {
errorMsg = "[WinMM] Failed to create event for fragment enqueuing for the capture device.", errorCode = ma_result_from_GetLastError(GetLastError());
goto on_error;
}
if (((MA_PFN_waveInGetDevCapsA)pDevice->pContext->winmm.waveInGetDevCapsA)(winMMDeviceIDCapture, &caps, sizeof(caps)) != MA_MMSYSERR_NOERROR) {
errorMsg = "[WinMM] Failed to retrieve internal device caps.", errorCode = MA_FORMAT_NOT_SUPPORTED;
goto on_error;
}
result = ma_formats_flags_to_WAVEFORMATEX__winmm(caps.dwFormats, caps.wChannels, &wf);
if (result != MA_SUCCESS) {
errorMsg = "[WinMM] Could not find appropriate format for internal device.", errorCode = result;
goto on_error;
}
resultMM = ((MA_PFN_waveInOpen)pDevice->pContext->winmm.waveInOpen)((MA_HWAVEIN*)&pDevice->winmm.hDeviceCapture, winMMDeviceIDCapture, &wf, (DWORD_PTR)pDevice->winmm.hEventCapture, (DWORD_PTR)pDevice, MA_CALLBACK_EVENT | MA_WAVE_ALLOWSYNC);
if (resultMM != MA_MMSYSERR_NOERROR) {
errorMsg = "[WinMM] Failed to open capture device.", errorCode = MA_FAILED_TO_OPEN_BACKEND_DEVICE;
goto on_error;
}
pDescriptorCapture->format = ma_format_from_WAVEFORMATEX(&wf);
pDescriptorCapture->channels = wf.nChannels;
pDescriptorCapture->sampleRate = wf.nSamplesPerSec;
ma_channel_map_init_standard(ma_standard_channel_map_microsoft, pDescriptorCapture->channelMap, ma_countof(pDescriptorCapture->channelMap), pDescriptorCapture->channels);
pDescriptorCapture->periodCount = pDescriptorCapture->periodCount;
pDescriptorCapture->periodSizeInFrames = ma_calculate_period_size_in_frames_from_descriptor__winmm(pDescriptorCapture, pDescriptorCapture->sampleRate, pConfig->performanceProfile);
}
if (pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex) {
MA_WAVEOUTCAPSA caps;
MA_WAVEFORMATEX wf;
MA_MMRESULT resultMM;
pDevice->winmm.hEventPlayback = (ma_handle)CreateEventA(NULL, TRUE, TRUE, NULL);
if (pDevice->winmm.hEventPlayback == NULL) {
errorMsg = "[WinMM] Failed to create event for fragment enqueuing for the playback device.", errorCode = ma_result_from_GetLastError(GetLastError());
goto on_error;
}
if (((MA_PFN_waveOutGetDevCapsA)pDevice->pContext->winmm.waveOutGetDevCapsA)(winMMDeviceIDPlayback, &caps, sizeof(caps)) != MA_MMSYSERR_NOERROR) {
errorMsg = "[WinMM] Failed to retrieve internal device caps.", errorCode = MA_FORMAT_NOT_SUPPORTED;
goto on_error;
}
result = ma_formats_flags_to_WAVEFORMATEX__winmm(caps.dwFormats, caps.wChannels, &wf);
if (result != MA_SUCCESS) {
errorMsg = "[WinMM] Could not find appropriate format for internal device.", errorCode = result;
goto on_error;
}
resultMM = ((MA_PFN_waveOutOpen)pDevice->pContext->winmm.waveOutOpen)((MA_HWAVEOUT*)&pDevice->winmm.hDevicePlayback, winMMDeviceIDPlayback, &wf, (DWORD_PTR)pDevice->winmm.hEventPlayback, (DWORD_PTR)pDevice, MA_CALLBACK_EVENT | MA_WAVE_ALLOWSYNC);
if (resultMM != MA_MMSYSERR_NOERROR) {
errorMsg = "[WinMM] Failed to open playback device.", errorCode = MA_FAILED_TO_OPEN_BACKEND_DEVICE;
goto on_error;
}
pDescriptorPlayback->format = ma_format_from_WAVEFORMATEX(&wf);
pDescriptorPlayback->channels = wf.nChannels;
pDescriptorPlayback->sampleRate = wf.nSamplesPerSec;
ma_channel_map_init_standard(ma_standard_channel_map_microsoft, pDescriptorPlayback->channelMap, ma_countof(pDescriptorPlayback->channelMap), pDescriptorPlayback->channels);
pDescriptorPlayback->periodCount = pDescriptorPlayback->periodCount;
pDescriptorPlayback->periodSizeInFrames = ma_calculate_period_size_in_frames_from_descriptor__winmm(pDescriptorPlayback, pDescriptorPlayback->sampleRate, pConfig->performanceProfile);
}
heapSize = 0;
if (pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex) {
heapSize += sizeof(MA_WAVEHDR)*pDescriptorCapture->periodCount + (pDescriptorCapture->periodSizeInFrames * pDescriptorCapture->periodCount * ma_get_bytes_per_frame(pDescriptorCapture->format, pDescriptorCapture->channels));
}
if (pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex) {
heapSize += sizeof(MA_WAVEHDR)*pDescriptorPlayback->periodCount + (pDescriptorPlayback->periodSizeInFrames * pDescriptorPlayback->periodCount * ma_get_bytes_per_frame(pDescriptorPlayback->format, pDescriptorPlayback->channels));
}
pDevice->winmm._pHeapData = (ma_uint8*)ma_calloc(heapSize, &pDevice->pContext->allocationCallbacks);
if (pDevice->winmm._pHeapData == NULL) {
errorMsg = "[WinMM] Failed to allocate memory for the intermediary buffer.", errorCode = MA_OUT_OF_MEMORY;
goto on_error;
}
MA_ZERO_MEMORY(pDevice->winmm._pHeapData, heapSize);
if (pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex) {
ma_uint32 iPeriod;
if (pConfig->deviceType == ma_device_type_capture) {
pDevice->winmm.pWAVEHDRCapture = pDevice->winmm._pHeapData;
pDevice->winmm.pIntermediaryBufferCapture = pDevice->winmm._pHeapData + (sizeof(MA_WAVEHDR)*(pDescriptorCapture->periodCount));
} else {
pDevice->winmm.pWAVEHDRCapture = pDevice->winmm._pHeapData;
pDevice->winmm.pIntermediaryBufferCapture = pDevice->winmm._pHeapData + (sizeof(MA_WAVEHDR)*(pDescriptorCapture->periodCount + pDescriptorPlayback->periodCount));
}
for (iPeriod = 0; iPeriod < pDescriptorCapture->periodCount; ++iPeriod) {
ma_uint32 periodSizeInBytes = ma_get_period_size_in_bytes(pDescriptorCapture->periodSizeInFrames, pDescriptorCapture->format, pDescriptorCapture->channels);
((MA_WAVEHDR*)pDevice->winmm.pWAVEHDRCapture)[iPeriod].lpData = (char*)(pDevice->winmm.pIntermediaryBufferCapture + (periodSizeInBytes*iPeriod));
((MA_WAVEHDR*)pDevice->winmm.pWAVEHDRCapture)[iPeriod].dwBufferLength = periodSizeInBytes;
((MA_WAVEHDR*)pDevice->winmm.pWAVEHDRCapture)[iPeriod].dwFlags = 0L;
((MA_WAVEHDR*)pDevice->winmm.pWAVEHDRCapture)[iPeriod].dwLoops = 0L;
((MA_PFN_waveInPrepareHeader)pDevice->pContext->winmm.waveInPrepareHeader)((MA_HWAVEIN)pDevice->winmm.hDeviceCapture, &((MA_WAVEHDR*)pDevice->winmm.pWAVEHDRCapture)[iPeriod], sizeof(MA_WAVEHDR));
((MA_WAVEHDR*)pDevice->winmm.pWAVEHDRCapture)[iPeriod].dwUser = 0;
}
}
if (pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex) {
ma_uint32 iPeriod;
if (pConfig->deviceType == ma_device_type_playback) {
pDevice->winmm.pWAVEHDRPlayback = pDevice->winmm._pHeapData;
pDevice->winmm.pIntermediaryBufferPlayback = pDevice->winmm._pHeapData + (sizeof(MA_WAVEHDR)*pDescriptorPlayback->periodCount);
} else {
pDevice->winmm.pWAVEHDRPlayback = pDevice->winmm._pHeapData + (sizeof(MA_WAVEHDR)*(pDescriptorCapture->periodCount));
pDevice->winmm.pIntermediaryBufferPlayback = pDevice->winmm._pHeapData + (sizeof(MA_WAVEHDR)*(pDescriptorCapture->periodCount + pDescriptorPlayback->periodCount)) + (pDescriptorCapture->periodSizeInFrames*pDescriptorCapture->periodCount*ma_get_bytes_per_frame(pDescriptorCapture->format, pDescriptorCapture->channels));
}
for (iPeriod = 0; iPeriod < pDescriptorPlayback->periodCount; ++iPeriod) {
ma_uint32 periodSizeInBytes = ma_get_period_size_in_bytes(pDescriptorPlayback->periodSizeInFrames, pDescriptorPlayback->format, pDescriptorPlayback->channels);
((MA_WAVEHDR*)pDevice->winmm.pWAVEHDRPlayback)[iPeriod].lpData = (char*)(pDevice->winmm.pIntermediaryBufferPlayback + (periodSizeInBytes*iPeriod));
((MA_WAVEHDR*)pDevice->winmm.pWAVEHDRPlayback)[iPeriod].dwBufferLength = periodSizeInBytes;
((MA_WAVEHDR*)pDevice->winmm.pWAVEHDRPlayback)[iPeriod].dwFlags = 0L;
((MA_WAVEHDR*)pDevice->winmm.pWAVEHDRPlayback)[iPeriod].dwLoops = 0L;
((MA_PFN_waveOutPrepareHeader)pDevice->pContext->winmm.waveOutPrepareHeader)((MA_HWAVEOUT)pDevice->winmm.hDevicePlayback, &((MA_WAVEHDR*)pDevice->winmm.pWAVEHDRPlayback)[iPeriod], sizeof(MA_WAVEHDR));
((MA_WAVEHDR*)pDevice->winmm.pWAVEHDRPlayback)[iPeriod].dwUser = 0;
}
}
return MA_SUCCESS;
on_error:
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
if (pDevice->winmm.pWAVEHDRCapture != NULL) {
ma_uint32 iPeriod;
for (iPeriod = 0; iPeriod < pDescriptorCapture->periodCount; ++iPeriod) {
((MA_PFN_waveInUnprepareHeader)pDevice->pContext->winmm.waveInUnprepareHeader)((MA_HWAVEIN)pDevice->winmm.hDeviceCapture, &((MA_WAVEHDR*)pDevice->winmm.pWAVEHDRCapture)[iPeriod], sizeof(MA_WAVEHDR));
}
}
((MA_PFN_waveInClose)pDevice->pContext->winmm.waveInClose)((MA_HWAVEIN)pDevice->winmm.hDeviceCapture);
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
if (pDevice->winmm.pWAVEHDRCapture != NULL) {
ma_uint32 iPeriod;
for (iPeriod = 0; iPeriod < pDescriptorPlayback->periodCount; ++iPeriod) {
((MA_PFN_waveOutUnprepareHeader)pDevice->pContext->winmm.waveOutUnprepareHeader)((MA_HWAVEOUT)pDevice->winmm.hDevicePlayback, &((MA_WAVEHDR*)pDevice->winmm.pWAVEHDRPlayback)[iPeriod], sizeof(MA_WAVEHDR));
}
}
((MA_PFN_waveOutClose)pDevice->pContext->winmm.waveOutClose)((MA_HWAVEOUT)pDevice->winmm.hDevicePlayback);
}
ma_free(pDevice->winmm._pHeapData, &pDevice->pContext->allocationCallbacks);
if (errorMsg != NULL && errorMsg[0] != '\0') {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "%s", errorMsg);
}
return errorCode;
}
static ma_result ma_device_start__winmm(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
MA_MMRESULT resultMM;
MA_WAVEHDR* pWAVEHDR;
ma_uint32 iPeriod;
pWAVEHDR = (MA_WAVEHDR*)pDevice->winmm.pWAVEHDRCapture;
ResetEvent((HANDLE)pDevice->winmm.hEventCapture);
for (iPeriod = 0; iPeriod < pDevice->capture.internalPeriods; ++iPeriod) {
resultMM = ((MA_PFN_waveInAddBuffer)pDevice->pContext->winmm.waveInAddBuffer)((MA_HWAVEIN)pDevice->winmm.hDeviceCapture, &((MA_WAVEHDR*)pDevice->winmm.pWAVEHDRCapture)[iPeriod], sizeof(MA_WAVEHDR));
if (resultMM != MA_MMSYSERR_NOERROR) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[WinMM] Failed to attach input buffers to capture device in preparation for capture.");
return ma_result_from_MMRESULT(resultMM);
}
pWAVEHDR[iPeriod].dwUser = 1;
}
resultMM = ((MA_PFN_waveInStart)pDevice->pContext->winmm.waveInStart)((MA_HWAVEIN)pDevice->winmm.hDeviceCapture);
if (resultMM != MA_MMSYSERR_NOERROR) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[WinMM] Failed to start backend device.");
return ma_result_from_MMRESULT(resultMM);
}
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
}
return MA_SUCCESS;
}
static ma_result ma_device_stop__winmm(ma_device* pDevice)
{
MA_MMRESULT resultMM;
MA_ASSERT(pDevice != NULL);
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
if (pDevice->winmm.hDeviceCapture == NULL) {
return MA_INVALID_ARGS;
}
resultMM = ((MA_PFN_waveInReset)pDevice->pContext->winmm.waveInReset)((MA_HWAVEIN)pDevice->winmm.hDeviceCapture);
if (resultMM != MA_MMSYSERR_NOERROR) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_WARNING, "[WinMM] WARNING: Failed to reset capture device.");
}
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
ma_uint32 iPeriod;
MA_WAVEHDR* pWAVEHDR;
if (pDevice->winmm.hDevicePlayback == NULL) {
return MA_INVALID_ARGS;
}
pWAVEHDR = (MA_WAVEHDR*)pDevice->winmm.pWAVEHDRPlayback;
for (iPeriod = 0; iPeriod < pDevice->playback.internalPeriods; iPeriod += 1) {
if (pWAVEHDR[iPeriod].dwUser == 1) {
if (WaitForSingleObject((HANDLE)pDevice->winmm.hEventPlayback, INFINITE) != WAIT_OBJECT_0) {
break;
}
pWAVEHDR[iPeriod].dwUser = 0;
}
}
resultMM = ((MA_PFN_waveOutReset)pDevice->pContext->winmm.waveOutReset)((MA_HWAVEOUT)pDevice->winmm.hDevicePlayback);
if (resultMM != MA_MMSYSERR_NOERROR) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_WARNING, "[WinMM] WARNING: Failed to reset playback device.");
}
}
return MA_SUCCESS;
}
static ma_result ma_device_write__winmm(ma_device* pDevice, const void* pPCMFrames, ma_uint32 frameCount, ma_uint32* pFramesWritten)
{
ma_result result = MA_SUCCESS;
MA_MMRESULT resultMM;
ma_uint32 totalFramesWritten;
MA_WAVEHDR* pWAVEHDR;
MA_ASSERT(pDevice != NULL);
MA_ASSERT(pPCMFrames != NULL);
if (pFramesWritten != NULL) {
*pFramesWritten = 0;
}
pWAVEHDR = (MA_WAVEHDR*)pDevice->winmm.pWAVEHDRPlayback;
totalFramesWritten = 0;
while (totalFramesWritten < frameCount) {
if (pWAVEHDR[pDevice->winmm.iNextHeaderPlayback].dwUser == 0) {
ma_uint32 bpf = ma_get_bytes_per_frame(pDevice->playback.internalFormat, pDevice->playback.internalChannels);
ma_uint32 framesRemainingInHeader = (pWAVEHDR[pDevice->winmm.iNextHeaderPlayback].dwBufferLength/bpf) - pDevice->winmm.headerFramesConsumedPlayback;
ma_uint32 framesToCopy = ma_min(framesRemainingInHeader, (frameCount - totalFramesWritten));
const void* pSrc = ma_offset_ptr(pPCMFrames, totalFramesWritten*bpf);
void* pDst = ma_offset_ptr(pWAVEHDR[pDevice->winmm.iNextHeaderPlayback].lpData, pDevice->winmm.headerFramesConsumedPlayback*bpf);
MA_COPY_MEMORY(pDst, pSrc, framesToCopy*bpf);
pDevice->winmm.headerFramesConsumedPlayback += framesToCopy;
totalFramesWritten += framesToCopy;
if (pDevice->winmm.headerFramesConsumedPlayback == (pWAVEHDR[pDevice->winmm.iNextHeaderPlayback].dwBufferLength/bpf)) {
pWAVEHDR[pDevice->winmm.iNextHeaderPlayback].dwUser = 1;
pWAVEHDR[pDevice->winmm.iNextHeaderPlayback].dwFlags &= ~MA_WHDR_DONE;
ResetEvent((HANDLE)pDevice->winmm.hEventPlayback);
resultMM = ((MA_PFN_waveOutWrite)pDevice->pContext->winmm.waveOutWrite)((MA_HWAVEOUT)pDevice->winmm.hDevicePlayback, &pWAVEHDR[pDevice->winmm.iNextHeaderPlayback], sizeof(MA_WAVEHDR));
if (resultMM != MA_MMSYSERR_NOERROR) {
result = ma_result_from_MMRESULT(resultMM);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[WinMM] waveOutWrite() failed.");
break;
}
pDevice->winmm.iNextHeaderPlayback = (pDevice->winmm.iNextHeaderPlayback + 1) % pDevice->playback.internalPeriods;
pDevice->winmm.headerFramesConsumedPlayback = 0;
}
MA_ASSERT(totalFramesWritten <= frameCount);
if (totalFramesWritten == frameCount) {
break;
}
continue;
}
if (WaitForSingleObject((HANDLE)pDevice->winmm.hEventPlayback, INFINITE) != WAIT_OBJECT_0) {
result = MA_ERROR;
break;
}
if ((pWAVEHDR[pDevice->winmm.iNextHeaderPlayback].dwFlags & MA_WHDR_DONE) != 0) {
pWAVEHDR[pDevice->winmm.iNextHeaderPlayback].dwUser = 0;
pDevice->winmm.headerFramesConsumedPlayback = 0;
}
if (ma_device_get_state(pDevice) != ma_device_state_started) {
break;
}
}
if (pFramesWritten != NULL) {
*pFramesWritten = totalFramesWritten;
}
return result;
}
static ma_result ma_device_read__winmm(ma_device* pDevice, void* pPCMFrames, ma_uint32 frameCount, ma_uint32* pFramesRead)
{
ma_result result = MA_SUCCESS;
MA_MMRESULT resultMM;
ma_uint32 totalFramesRead;
MA_WAVEHDR* pWAVEHDR;
MA_ASSERT(pDevice != NULL);
MA_ASSERT(pPCMFrames != NULL);
if (pFramesRead != NULL) {
*pFramesRead = 0;
}
pWAVEHDR = (MA_WAVEHDR*)pDevice->winmm.pWAVEHDRCapture;
totalFramesRead = 0;
while (totalFramesRead < frameCount) {
if (pWAVEHDR[pDevice->winmm.iNextHeaderCapture].dwUser == 0) {
ma_uint32 bpf = ma_get_bytes_per_frame(pDevice->capture.internalFormat, pDevice->capture.internalChannels);
ma_uint32 framesRemainingInHeader = (pWAVEHDR[pDevice->winmm.iNextHeaderCapture].dwBufferLength/bpf) - pDevice->winmm.headerFramesConsumedCapture;
ma_uint32 framesToCopy = ma_min(framesRemainingInHeader, (frameCount - totalFramesRead));
const void* pSrc = ma_offset_ptr(pWAVEHDR[pDevice->winmm.iNextHeaderCapture].lpData, pDevice->winmm.headerFramesConsumedCapture*bpf);
void* pDst = ma_offset_ptr(pPCMFrames, totalFramesRead*bpf);
MA_COPY_MEMORY(pDst, pSrc, framesToCopy*bpf);
pDevice->winmm.headerFramesConsumedCapture += framesToCopy;
totalFramesRead += framesToCopy;
if (pDevice->winmm.headerFramesConsumedCapture == (pWAVEHDR[pDevice->winmm.iNextHeaderCapture].dwBufferLength/bpf)) {
pWAVEHDR[pDevice->winmm.iNextHeaderCapture].dwUser = 1;
pWAVEHDR[pDevice->winmm.iNextHeaderCapture].dwFlags &= ~MA_WHDR_DONE;
ResetEvent((HANDLE)pDevice->winmm.hEventCapture);
resultMM = ((MA_PFN_waveInAddBuffer)pDevice->pContext->winmm.waveInAddBuffer)((MA_HWAVEIN)pDevice->winmm.hDeviceCapture, &((MA_WAVEHDR*)pDevice->winmm.pWAVEHDRCapture)[pDevice->winmm.iNextHeaderCapture], sizeof(MA_WAVEHDR));
if (resultMM != MA_MMSYSERR_NOERROR) {
result = ma_result_from_MMRESULT(resultMM);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[WinMM] waveInAddBuffer() failed.");
break;
}
pDevice->winmm.iNextHeaderCapture = (pDevice->winmm.iNextHeaderCapture + 1) % pDevice->capture.internalPeriods;
pDevice->winmm.headerFramesConsumedCapture = 0;
}
MA_ASSERT(totalFramesRead <= frameCount);
if (totalFramesRead == frameCount) {
break;
}
continue;
}
if (WaitForSingleObject((HANDLE)pDevice->winmm.hEventCapture, INFINITE) != WAIT_OBJECT_0) {
result = MA_ERROR;
break;
}
if ((pWAVEHDR[pDevice->winmm.iNextHeaderCapture].dwFlags & MA_WHDR_DONE) != 0) {
pWAVEHDR[pDevice->winmm.iNextHeaderCapture].dwUser = 0;
pDevice->winmm.headerFramesConsumedCapture = 0;
}
if (ma_device_get_state(pDevice) != ma_device_state_started) {
break;
}
}
if (pFramesRead != NULL) {
*pFramesRead = totalFramesRead;
}
return result;
}
static ma_result ma_context_uninit__winmm(ma_context* pContext)
{
MA_ASSERT(pContext != NULL);
MA_ASSERT(pContext->backend == ma_backend_winmm);
ma_dlclose(ma_context_get_log(pContext), pContext->winmm.hWinMM);
return MA_SUCCESS;
}
static ma_result ma_context_init__winmm(ma_context* pContext, const ma_context_config* pConfig, ma_backend_callbacks* pCallbacks)
{
MA_ASSERT(pContext != NULL);
(void)pConfig;
pContext->winmm.hWinMM = ma_dlopen(ma_context_get_log(pContext), "winmm.dll");
if (pContext->winmm.hWinMM == NULL) {
return MA_NO_BACKEND;
}
pContext->winmm.waveOutGetNumDevs = ma_dlsym(ma_context_get_log(pContext), pContext->winmm.hWinMM, "waveOutGetNumDevs");
pContext->winmm.waveOutGetDevCapsA = ma_dlsym(ma_context_get_log(pContext), pContext->winmm.hWinMM, "waveOutGetDevCapsA");
pContext->winmm.waveOutOpen = ma_dlsym(ma_context_get_log(pContext), pContext->winmm.hWinMM, "waveOutOpen");
pContext->winmm.waveOutClose = ma_dlsym(ma_context_get_log(pContext), pContext->winmm.hWinMM, "waveOutClose");
pContext->winmm.waveOutPrepareHeader = ma_dlsym(ma_context_get_log(pContext), pContext->winmm.hWinMM, "waveOutPrepareHeader");
pContext->winmm.waveOutUnprepareHeader = ma_dlsym(ma_context_get_log(pContext), pContext->winmm.hWinMM, "waveOutUnprepareHeader");
pContext->winmm.waveOutWrite = ma_dlsym(ma_context_get_log(pContext), pContext->winmm.hWinMM, "waveOutWrite");
pContext->winmm.waveOutReset = ma_dlsym(ma_context_get_log(pContext), pContext->winmm.hWinMM, "waveOutReset");
pContext->winmm.waveInGetNumDevs = ma_dlsym(ma_context_get_log(pContext), pContext->winmm.hWinMM, "waveInGetNumDevs");
pContext->winmm.waveInGetDevCapsA = ma_dlsym(ma_context_get_log(pContext), pContext->winmm.hWinMM, "waveInGetDevCapsA");
pContext->winmm.waveInOpen = ma_dlsym(ma_context_get_log(pContext), pContext->winmm.hWinMM, "waveInOpen");
pContext->winmm.waveInClose = ma_dlsym(ma_context_get_log(pContext), pContext->winmm.hWinMM, "waveInClose");
pContext->winmm.waveInPrepareHeader = ma_dlsym(ma_context_get_log(pContext), pContext->winmm.hWinMM, "waveInPrepareHeader");
pContext->winmm.waveInUnprepareHeader = ma_dlsym(ma_context_get_log(pContext), pContext->winmm.hWinMM, "waveInUnprepareHeader");
pContext->winmm.waveInAddBuffer = ma_dlsym(ma_context_get_log(pContext), pContext->winmm.hWinMM, "waveInAddBuffer");
pContext->winmm.waveInStart = ma_dlsym(ma_context_get_log(pContext), pContext->winmm.hWinMM, "waveInStart");
pContext->winmm.waveInReset = ma_dlsym(ma_context_get_log(pContext), pContext->winmm.hWinMM, "waveInReset");
pCallbacks->onContextInit = ma_context_init__winmm;
pCallbacks->onContextUninit = ma_context_uninit__winmm;
pCallbacks->onContextEnumerateDevices = ma_context_enumerate_devices__winmm;
pCallbacks->onContextGetDeviceInfo = ma_context_get_device_info__winmm;
pCallbacks->onDeviceInit = ma_device_init__winmm;
pCallbacks->onDeviceUninit = ma_device_uninit__winmm;
pCallbacks->onDeviceStart = ma_device_start__winmm;
pCallbacks->onDeviceStop = ma_device_stop__winmm;
pCallbacks->onDeviceRead = ma_device_read__winmm;
pCallbacks->onDeviceWrite = ma_device_write__winmm;
pCallbacks->onDeviceDataLoop = NULL;
return MA_SUCCESS;
}
#endif
#ifdef MA_HAS_ALSA
#include <poll.h>
#include <sys/eventfd.h>
#ifdef MA_NO_RUNTIME_LINKING
#if !defined(__cplusplus)
#if defined(__STRICT_ANSI__)
#if !defined(inline)
#define inline __inline__ __attribute__((always_inline))
#define MA_INLINE_DEFINED
#endif
#endif
#endif
#include <alsa/asoundlib.h>
#if defined(MA_INLINE_DEFINED)
#undef inline
#undef MA_INLINE_DEFINED
#endif
typedef snd_pcm_uframes_t ma_snd_pcm_uframes_t;
typedef snd_pcm_sframes_t ma_snd_pcm_sframes_t;
typedef snd_pcm_stream_t ma_snd_pcm_stream_t;
typedef snd_pcm_format_t ma_snd_pcm_format_t;
typedef snd_pcm_access_t ma_snd_pcm_access_t;
typedef snd_pcm_t ma_snd_pcm_t;
typedef snd_pcm_hw_params_t ma_snd_pcm_hw_params_t;
typedef snd_pcm_sw_params_t ma_snd_pcm_sw_params_t;
typedef snd_pcm_format_mask_t ma_snd_pcm_format_mask_t;
typedef snd_pcm_info_t ma_snd_pcm_info_t;
typedef snd_pcm_channel_area_t ma_snd_pcm_channel_area_t;
typedef snd_pcm_chmap_t ma_snd_pcm_chmap_t;
typedef snd_pcm_state_t ma_snd_pcm_state_t;
#define MA_SND_PCM_STATE_XRUN SND_PCM_STATE_XRUN
#define MA_SND_PCM_STREAM_PLAYBACK SND_PCM_STREAM_PLAYBACK
#define MA_SND_PCM_STREAM_CAPTURE SND_PCM_STREAM_CAPTURE
#define MA_SND_PCM_FORMAT_UNKNOWN SND_PCM_FORMAT_UNKNOWN
#define MA_SND_PCM_FORMAT_U8 SND_PCM_FORMAT_U8
#define MA_SND_PCM_FORMAT_S16_LE SND_PCM_FORMAT_S16_LE
#define MA_SND_PCM_FORMAT_S16_BE SND_PCM_FORMAT_S16_BE
#define MA_SND_PCM_FORMAT_S24_LE SND_PCM_FORMAT_S24_LE
#define MA_SND_PCM_FORMAT_S24_BE SND_PCM_FORMAT_S24_BE
#define MA_SND_PCM_FORMAT_S32_LE SND_PCM_FORMAT_S32_LE
#define MA_SND_PCM_FORMAT_S32_BE SND_PCM_FORMAT_S32_BE
#define MA_SND_PCM_FORMAT_FLOAT_LE SND_PCM_FORMAT_FLOAT_LE
#define MA_SND_PCM_FORMAT_FLOAT_BE SND_PCM_FORMAT_FLOAT_BE
#define MA_SND_PCM_FORMAT_FLOAT64_LE SND_PCM_FORMAT_FLOAT64_LE
#define MA_SND_PCM_FORMAT_FLOAT64_BE SND_PCM_FORMAT_FLOAT64_BE
#define MA_SND_PCM_FORMAT_MU_LAW SND_PCM_FORMAT_MU_LAW
#define MA_SND_PCM_FORMAT_A_LAW SND_PCM_FORMAT_A_LAW
#define MA_SND_PCM_FORMAT_S24_3LE SND_PCM_FORMAT_S24_3LE
#define MA_SND_PCM_FORMAT_S24_3BE SND_PCM_FORMAT_S24_3BE
#define MA_SND_PCM_ACCESS_MMAP_INTERLEAVED SND_PCM_ACCESS_MMAP_INTERLEAVED
#define MA_SND_PCM_ACCESS_MMAP_NONINTERLEAVED SND_PCM_ACCESS_MMAP_NONINTERLEAVED
#define MA_SND_PCM_ACCESS_MMAP_COMPLEX SND_PCM_ACCESS_MMAP_COMPLEX
#define MA_SND_PCM_ACCESS_RW_INTERLEAVED SND_PCM_ACCESS_RW_INTERLEAVED
#define MA_SND_PCM_ACCESS_RW_NONINTERLEAVED SND_PCM_ACCESS_RW_NONINTERLEAVED
#define MA_SND_CHMAP_UNKNOWN SND_CHMAP_UNKNOWN
#define MA_SND_CHMAP_NA SND_CHMAP_NA
#define MA_SND_CHMAP_MONO SND_CHMAP_MONO
#define MA_SND_CHMAP_FL SND_CHMAP_FL
#define MA_SND_CHMAP_FR SND_CHMAP_FR
#define MA_SND_CHMAP_RL SND_CHMAP_RL
#define MA_SND_CHMAP_RR SND_CHMAP_RR
#define MA_SND_CHMAP_FC SND_CHMAP_FC
#define MA_SND_CHMAP_LFE SND_CHMAP_LFE
#define MA_SND_CHMAP_SL SND_CHMAP_SL
#define MA_SND_CHMAP_SR SND_CHMAP_SR
#define MA_SND_CHMAP_RC SND_CHMAP_RC
#define MA_SND_CHMAP_FLC SND_CHMAP_FLC
#define MA_SND_CHMAP_FRC SND_CHMAP_FRC
#define MA_SND_CHMAP_RLC SND_CHMAP_RLC
#define MA_SND_CHMAP_RRC SND_CHMAP_RRC
#define MA_SND_CHMAP_FLW SND_CHMAP_FLW
#define MA_SND_CHMAP_FRW SND_CHMAP_FRW
#define MA_SND_CHMAP_FLH SND_CHMAP_FLH
#define MA_SND_CHMAP_FCH SND_CHMAP_FCH
#define MA_SND_CHMAP_FRH SND_CHMAP_FRH
#define MA_SND_CHMAP_TC SND_CHMAP_TC
#define MA_SND_CHMAP_TFL SND_CHMAP_TFL
#define MA_SND_CHMAP_TFR SND_CHMAP_TFR
#define MA_SND_CHMAP_TFC SND_CHMAP_TFC
#define MA_SND_CHMAP_TRL SND_CHMAP_TRL
#define MA_SND_CHMAP_TRR SND_CHMAP_TRR
#define MA_SND_CHMAP_TRC SND_CHMAP_TRC
#define MA_SND_CHMAP_TFLC SND_CHMAP_TFLC
#define MA_SND_CHMAP_TFRC SND_CHMAP_TFRC
#define MA_SND_CHMAP_TSL SND_CHMAP_TSL
#define MA_SND_CHMAP_TSR SND_CHMAP_TSR
#define MA_SND_CHMAP_LLFE SND_CHMAP_LLFE
#define MA_SND_CHMAP_RLFE SND_CHMAP_RLFE
#define MA_SND_CHMAP_BC SND_CHMAP_BC
#define MA_SND_CHMAP_BLC SND_CHMAP_BLC
#define MA_SND_CHMAP_BRC SND_CHMAP_BRC
#define MA_SND_PCM_NO_AUTO_RESAMPLE SND_PCM_NO_AUTO_RESAMPLE
#define MA_SND_PCM_NO_AUTO_CHANNELS SND_PCM_NO_AUTO_CHANNELS
#define MA_SND_PCM_NO_AUTO_FORMAT SND_PCM_NO_AUTO_FORMAT
#else
#include <errno.h>
typedef unsigned long ma_snd_pcm_uframes_t;
typedef long ma_snd_pcm_sframes_t;
typedef int ma_snd_pcm_stream_t;
typedef int ma_snd_pcm_format_t;
typedef int ma_snd_pcm_access_t;
typedef int ma_snd_pcm_state_t;
typedef struct ma_snd_pcm_t ma_snd_pcm_t;
typedef struct ma_snd_pcm_hw_params_t ma_snd_pcm_hw_params_t;
typedef struct ma_snd_pcm_sw_params_t ma_snd_pcm_sw_params_t;
typedef struct ma_snd_pcm_format_mask_t ma_snd_pcm_format_mask_t;
typedef struct ma_snd_pcm_info_t ma_snd_pcm_info_t;
typedef struct
{
void* addr;
unsigned int first;
unsigned int step;
} ma_snd_pcm_channel_area_t;
typedef struct
{
unsigned int channels;
unsigned int pos[1];
} ma_snd_pcm_chmap_t;
#define MA_SND_PCM_STATE_OPEN 0
#define MA_SND_PCM_STATE_SETUP 1
#define MA_SND_PCM_STATE_PREPARED 2
#define MA_SND_PCM_STATE_RUNNING 3
#define MA_SND_PCM_STATE_XRUN 4
#define MA_SND_PCM_STATE_DRAINING 5
#define MA_SND_PCM_STATE_PAUSED 6
#define MA_SND_PCM_STATE_SUSPENDED 7
#define MA_SND_PCM_STATE_DISCONNECTED 8
#define MA_SND_PCM_STREAM_PLAYBACK 0
#define MA_SND_PCM_STREAM_CAPTURE 1
#define MA_SND_PCM_FORMAT_UNKNOWN -1
#define MA_SND_PCM_FORMAT_U8 1
#define MA_SND_PCM_FORMAT_S16_LE 2
#define MA_SND_PCM_FORMAT_S16_BE 3
#define MA_SND_PCM_FORMAT_S24_LE 6
#define MA_SND_PCM_FORMAT_S24_BE 7
#define MA_SND_PCM_FORMAT_S32_LE 10
#define MA_SND_PCM_FORMAT_S32_BE 11
#define MA_SND_PCM_FORMAT_FLOAT_LE 14
#define MA_SND_PCM_FORMAT_FLOAT_BE 15
#define MA_SND_PCM_FORMAT_FLOAT64_LE 16
#define MA_SND_PCM_FORMAT_FLOAT64_BE 17
#define MA_SND_PCM_FORMAT_MU_LAW 20
#define MA_SND_PCM_FORMAT_A_LAW 21
#define MA_SND_PCM_FORMAT_S24_3LE 32
#define MA_SND_PCM_FORMAT_S24_3BE 33
#define MA_SND_PCM_ACCESS_MMAP_INTERLEAVED 0
#define MA_SND_PCM_ACCESS_MMAP_NONINTERLEAVED 1
#define MA_SND_PCM_ACCESS_MMAP_COMPLEX 2
#define MA_SND_PCM_ACCESS_RW_INTERLEAVED 3
#define MA_SND_PCM_ACCESS_RW_NONINTERLEAVED 4
#define MA_SND_CHMAP_UNKNOWN 0
#define MA_SND_CHMAP_NA 1
#define MA_SND_CHMAP_MONO 2
#define MA_SND_CHMAP_FL 3
#define MA_SND_CHMAP_FR 4
#define MA_SND_CHMAP_RL 5
#define MA_SND_CHMAP_RR 6
#define MA_SND_CHMAP_FC 7
#define MA_SND_CHMAP_LFE 8
#define MA_SND_CHMAP_SL 9
#define MA_SND_CHMAP_SR 10
#define MA_SND_CHMAP_RC 11
#define MA_SND_CHMAP_FLC 12
#define MA_SND_CHMAP_FRC 13
#define MA_SND_CHMAP_RLC 14
#define MA_SND_CHMAP_RRC 15
#define MA_SND_CHMAP_FLW 16
#define MA_SND_CHMAP_FRW 17
#define MA_SND_CHMAP_FLH 18
#define MA_SND_CHMAP_FCH 19
#define MA_SND_CHMAP_FRH 20
#define MA_SND_CHMAP_TC 21
#define MA_SND_CHMAP_TFL 22
#define MA_SND_CHMAP_TFR 23
#define MA_SND_CHMAP_TFC 24
#define MA_SND_CHMAP_TRL 25
#define MA_SND_CHMAP_TRR 26
#define MA_SND_CHMAP_TRC 27
#define MA_SND_CHMAP_TFLC 28
#define MA_SND_CHMAP_TFRC 29
#define MA_SND_CHMAP_TSL 30
#define MA_SND_CHMAP_TSR 31
#define MA_SND_CHMAP_LLFE 32
#define MA_SND_CHMAP_RLFE 33
#define MA_SND_CHMAP_BC 34
#define MA_SND_CHMAP_BLC 35
#define MA_SND_CHMAP_BRC 36
#define MA_SND_PCM_NO_AUTO_RESAMPLE 0x00010000
#define MA_SND_PCM_NO_AUTO_CHANNELS 0x00020000
#define MA_SND_PCM_NO_AUTO_FORMAT 0x00040000
#endif
typedef int (* ma_snd_pcm_open_proc) (ma_snd_pcm_t **pcm, const char *name, ma_snd_pcm_stream_t stream, int mode);
typedef int (* ma_snd_pcm_close_proc) (ma_snd_pcm_t *pcm);
typedef size_t (* ma_snd_pcm_hw_params_sizeof_proc) (void);
typedef int (* ma_snd_pcm_hw_params_any_proc) (ma_snd_pcm_t *pcm, ma_snd_pcm_hw_params_t *params);
typedef int (* ma_snd_pcm_hw_params_set_format_proc) (ma_snd_pcm_t *pcm, ma_snd_pcm_hw_params_t *params, ma_snd_pcm_format_t val);
typedef int (* ma_snd_pcm_hw_params_set_format_first_proc) (ma_snd_pcm_t *pcm, ma_snd_pcm_hw_params_t *params, ma_snd_pcm_format_t *format);
typedef void (* ma_snd_pcm_hw_params_get_format_mask_proc) (ma_snd_pcm_hw_params_t *params, ma_snd_pcm_format_mask_t *mask);
typedef int (* ma_snd_pcm_hw_params_set_channels_proc) (ma_snd_pcm_t *pcm, ma_snd_pcm_hw_params_t *params, unsigned int val);
typedef int (* ma_snd_pcm_hw_params_set_channels_near_proc) (ma_snd_pcm_t *pcm, ma_snd_pcm_hw_params_t *params, unsigned int *val);
typedef int (* ma_snd_pcm_hw_params_set_channels_minmax_proc) (ma_snd_pcm_t *pcm, ma_snd_pcm_hw_params_t *params, unsigned int *minimum, unsigned int *maximum);
typedef int (* ma_snd_pcm_hw_params_set_rate_resample_proc) (ma_snd_pcm_t *pcm, ma_snd_pcm_hw_params_t *params, unsigned int val);
typedef int (* ma_snd_pcm_hw_params_set_rate_proc) (ma_snd_pcm_t *pcm, ma_snd_pcm_hw_params_t *params, unsigned int val, int dir);
typedef int (* ma_snd_pcm_hw_params_set_rate_near_proc) (ma_snd_pcm_t *pcm, ma_snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
typedef int (* ma_snd_pcm_hw_params_set_rate_minmax_proc) (ma_snd_pcm_t *pcm, ma_snd_pcm_hw_params_t *params, unsigned int *min, int *mindir, unsigned int *max, int *maxdir);
typedef int (* ma_snd_pcm_hw_params_set_buffer_size_near_proc)(ma_snd_pcm_t *pcm, ma_snd_pcm_hw_params_t *params, ma_snd_pcm_uframes_t *val);
typedef int (* ma_snd_pcm_hw_params_set_periods_near_proc) (ma_snd_pcm_t *pcm, ma_snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
typedef int (* ma_snd_pcm_hw_params_set_access_proc) (ma_snd_pcm_t *pcm, ma_snd_pcm_hw_params_t *params, ma_snd_pcm_access_t _access);
typedef int (* ma_snd_pcm_hw_params_get_format_proc) (const ma_snd_pcm_hw_params_t *params, ma_snd_pcm_format_t *format);
typedef int (* ma_snd_pcm_hw_params_get_channels_proc) (const ma_snd_pcm_hw_params_t *params, unsigned int *val);
typedef int (* ma_snd_pcm_hw_params_get_channels_min_proc) (const ma_snd_pcm_hw_params_t *params, unsigned int *val);
typedef int (* ma_snd_pcm_hw_params_get_channels_max_proc) (const ma_snd_pcm_hw_params_t *params, unsigned int *val);
typedef int (* ma_snd_pcm_hw_params_get_rate_proc) (const ma_snd_pcm_hw_params_t *params, unsigned int *rate, int *dir);
typedef int (* ma_snd_pcm_hw_params_get_rate_min_proc) (const ma_snd_pcm_hw_params_t *params, unsigned int *rate, int *dir);
typedef int (* ma_snd_pcm_hw_params_get_rate_max_proc) (const ma_snd_pcm_hw_params_t *params, unsigned int *rate, int *dir);
typedef int (* ma_snd_pcm_hw_params_get_buffer_size_proc) (const ma_snd_pcm_hw_params_t *params, ma_snd_pcm_uframes_t *val);
typedef int (* ma_snd_pcm_hw_params_get_periods_proc) (const ma_snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
typedef int (* ma_snd_pcm_hw_params_get_access_proc) (const ma_snd_pcm_hw_params_t *params, ma_snd_pcm_access_t *_access);
typedef int (* ma_snd_pcm_hw_params_test_format_proc) (ma_snd_pcm_t *pcm, ma_snd_pcm_hw_params_t *params, ma_snd_pcm_format_t val);
typedef int (* ma_snd_pcm_hw_params_test_channels_proc) (ma_snd_pcm_t *pcm, ma_snd_pcm_hw_params_t *params, unsigned int val);
typedef int (* ma_snd_pcm_hw_params_test_rate_proc) (ma_snd_pcm_t *pcm, ma_snd_pcm_hw_params_t *params, unsigned int val, int dir);
typedef int (* ma_snd_pcm_hw_params_proc) (ma_snd_pcm_t *pcm, ma_snd_pcm_hw_params_t *params);
typedef size_t (* ma_snd_pcm_sw_params_sizeof_proc) (void);
typedef int (* ma_snd_pcm_sw_params_current_proc) (ma_snd_pcm_t *pcm, ma_snd_pcm_sw_params_t *params);
typedef int (* ma_snd_pcm_sw_params_get_boundary_proc) (const ma_snd_pcm_sw_params_t *params, ma_snd_pcm_uframes_t* val);
typedef int (* ma_snd_pcm_sw_params_set_avail_min_proc) (ma_snd_pcm_t *pcm, ma_snd_pcm_sw_params_t *params, ma_snd_pcm_uframes_t val);
typedef int (* ma_snd_pcm_sw_params_set_start_threshold_proc) (ma_snd_pcm_t *pcm, ma_snd_pcm_sw_params_t *params, ma_snd_pcm_uframes_t val);
typedef int (* ma_snd_pcm_sw_params_set_stop_threshold_proc) (ma_snd_pcm_t *pcm, ma_snd_pcm_sw_params_t *params, ma_snd_pcm_uframes_t val);
typedef int (* ma_snd_pcm_sw_params_proc) (ma_snd_pcm_t *pcm, ma_snd_pcm_sw_params_t *params);
typedef size_t (* ma_snd_pcm_format_mask_sizeof_proc) (void);
typedef int (* ma_snd_pcm_format_mask_test_proc) (const ma_snd_pcm_format_mask_t *mask, ma_snd_pcm_format_t val);
typedef ma_snd_pcm_chmap_t * (* ma_snd_pcm_get_chmap_proc) (ma_snd_pcm_t *pcm);
typedef ma_snd_pcm_state_t (* ma_snd_pcm_state_proc) (ma_snd_pcm_t *pcm);
typedef int (* ma_snd_pcm_prepare_proc) (ma_snd_pcm_t *pcm);
typedef int (* ma_snd_pcm_start_proc) (ma_snd_pcm_t *pcm);
typedef int (* ma_snd_pcm_drop_proc) (ma_snd_pcm_t *pcm);
typedef int (* ma_snd_pcm_drain_proc) (ma_snd_pcm_t *pcm);
typedef int (* ma_snd_pcm_reset_proc) (ma_snd_pcm_t *pcm);
typedef int (* ma_snd_device_name_hint_proc) (int card, const char *iface, void ***hints);
typedef char * (* ma_snd_device_name_get_hint_proc) (const void *hint, const char *id);
typedef int (* ma_snd_card_get_index_proc) (const char *name);
typedef int (* ma_snd_device_name_free_hint_proc) (void **hints);
typedef int (* ma_snd_pcm_mmap_begin_proc) (ma_snd_pcm_t *pcm, const ma_snd_pcm_channel_area_t **areas, ma_snd_pcm_uframes_t *offset, ma_snd_pcm_uframes_t *frames);
typedef ma_snd_pcm_sframes_t (* ma_snd_pcm_mmap_commit_proc) (ma_snd_pcm_t *pcm, ma_snd_pcm_uframes_t offset, ma_snd_pcm_uframes_t frames);
typedef int (* ma_snd_pcm_recover_proc) (ma_snd_pcm_t *pcm, int err, int silent);
typedef ma_snd_pcm_sframes_t (* ma_snd_pcm_readi_proc) (ma_snd_pcm_t *pcm, void *buffer, ma_snd_pcm_uframes_t size);
typedef ma_snd_pcm_sframes_t (* ma_snd_pcm_writei_proc) (ma_snd_pcm_t *pcm, const void *buffer, ma_snd_pcm_uframes_t size);
typedef ma_snd_pcm_sframes_t (* ma_snd_pcm_avail_proc) (ma_snd_pcm_t *pcm);
typedef ma_snd_pcm_sframes_t (* ma_snd_pcm_avail_update_proc) (ma_snd_pcm_t *pcm);
typedef int (* ma_snd_pcm_wait_proc) (ma_snd_pcm_t *pcm, int timeout);
typedef int (* ma_snd_pcm_nonblock_proc) (ma_snd_pcm_t *pcm, int nonblock);
typedef int (* ma_snd_pcm_info_proc) (ma_snd_pcm_t *pcm, ma_snd_pcm_info_t* info);
typedef size_t (* ma_snd_pcm_info_sizeof_proc) (void);
typedef const char* (* ma_snd_pcm_info_get_name_proc) (const ma_snd_pcm_info_t* info);
typedef int (* ma_snd_pcm_poll_descriptors_proc) (ma_snd_pcm_t *pcm, struct pollfd *pfds, unsigned int space);
typedef int (* ma_snd_pcm_poll_descriptors_count_proc) (ma_snd_pcm_t *pcm);
typedef int (* ma_snd_pcm_poll_descriptors_revents_proc) (ma_snd_pcm_t *pcm, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
typedef int (* ma_snd_config_update_free_global_proc) (void);
static const char* g_maCommonDeviceNamesALSA[] = {
"default",
"null",
"pulse",
"jack"
};
static const char* g_maBlacklistedPlaybackDeviceNamesALSA[] = {
""
};
static const char* g_maBlacklistedCaptureDeviceNamesALSA[] = {
""
};
static ma_snd_pcm_format_t ma_convert_ma_format_to_alsa_format(ma_format format)
{
ma_snd_pcm_format_t ALSAFormats[] = {
MA_SND_PCM_FORMAT_UNKNOWN,
MA_SND_PCM_FORMAT_U8,
MA_SND_PCM_FORMAT_S16_LE,
MA_SND_PCM_FORMAT_S24_3LE,
MA_SND_PCM_FORMAT_S32_LE,
MA_SND_PCM_FORMAT_FLOAT_LE
};
if (ma_is_big_endian()) {
ALSAFormats[0] = MA_SND_PCM_FORMAT_UNKNOWN;
ALSAFormats[1] = MA_SND_PCM_FORMAT_U8;
ALSAFormats[2] = MA_SND_PCM_FORMAT_S16_BE;
ALSAFormats[3] = MA_SND_PCM_FORMAT_S24_3BE;
ALSAFormats[4] = MA_SND_PCM_FORMAT_S32_BE;
ALSAFormats[5] = MA_SND_PCM_FORMAT_FLOAT_BE;
}
return ALSAFormats[format];
}
static ma_format ma_format_from_alsa(ma_snd_pcm_format_t formatALSA)
{
if (ma_is_little_endian()) {
switch (formatALSA) {
case MA_SND_PCM_FORMAT_S16_LE: return ma_format_s16;
case MA_SND_PCM_FORMAT_S24_3LE: return ma_format_s24;
case MA_SND_PCM_FORMAT_S32_LE: return ma_format_s32;
case MA_SND_PCM_FORMAT_FLOAT_LE: return ma_format_f32;
default: break;
}
} else {
switch (formatALSA) {
case MA_SND_PCM_FORMAT_S16_BE: return ma_format_s16;
case MA_SND_PCM_FORMAT_S24_3BE: return ma_format_s24;
case MA_SND_PCM_FORMAT_S32_BE: return ma_format_s32;
case MA_SND_PCM_FORMAT_FLOAT_BE: return ma_format_f32;
default: break;
}
}
switch (formatALSA) {
case MA_SND_PCM_FORMAT_U8: return ma_format_u8;
default: return ma_format_unknown;
}
}
static ma_channel ma_convert_alsa_channel_position_to_ma_channel(unsigned int alsaChannelPos)
{
switch (alsaChannelPos)
{
case MA_SND_CHMAP_MONO: return MA_CHANNEL_MONO;
case MA_SND_CHMAP_FL: return MA_CHANNEL_FRONT_LEFT;
case MA_SND_CHMAP_FR: return MA_CHANNEL_FRONT_RIGHT;
case MA_SND_CHMAP_RL: return MA_CHANNEL_BACK_LEFT;
case MA_SND_CHMAP_RR: return MA_CHANNEL_BACK_RIGHT;
case MA_SND_CHMAP_FC: return MA_CHANNEL_FRONT_CENTER;
case MA_SND_CHMAP_LFE: return MA_CHANNEL_LFE;
case MA_SND_CHMAP_SL: return MA_CHANNEL_SIDE_LEFT;
case MA_SND_CHMAP_SR: return MA_CHANNEL_SIDE_RIGHT;
case MA_SND_CHMAP_RC: return MA_CHANNEL_BACK_CENTER;
case MA_SND_CHMAP_FLC: return MA_CHANNEL_FRONT_LEFT_CENTER;
case MA_SND_CHMAP_FRC: return MA_CHANNEL_FRONT_RIGHT_CENTER;
case MA_SND_CHMAP_RLC: return 0;
case MA_SND_CHMAP_RRC: return 0;
case MA_SND_CHMAP_FLW: return 0;
case MA_SND_CHMAP_FRW: return 0;
case MA_SND_CHMAP_FLH: return 0;
case MA_SND_CHMAP_FCH: return 0;
case MA_SND_CHMAP_FRH: return 0;
case MA_SND_CHMAP_TC: return MA_CHANNEL_TOP_CENTER;
case MA_SND_CHMAP_TFL: return MA_CHANNEL_TOP_FRONT_LEFT;
case MA_SND_CHMAP_TFR: return MA_CHANNEL_TOP_FRONT_RIGHT;
case MA_SND_CHMAP_TFC: return MA_CHANNEL_TOP_FRONT_CENTER;
case MA_SND_CHMAP_TRL: return MA_CHANNEL_TOP_BACK_LEFT;
case MA_SND_CHMAP_TRR: return MA_CHANNEL_TOP_BACK_RIGHT;
case MA_SND_CHMAP_TRC: return MA_CHANNEL_TOP_BACK_CENTER;
default: break;
}
return 0;
}
static ma_bool32 ma_is_common_device_name__alsa(const char* name)
{
size_t iName;
for (iName = 0; iName < ma_countof(g_maCommonDeviceNamesALSA); ++iName) {
if (ma_strcmp(name, g_maCommonDeviceNamesALSA[iName]) == 0) {
return MA_TRUE;
}
}
return MA_FALSE;
}
static ma_bool32 ma_is_playback_device_blacklisted__alsa(const char* name)
{
size_t iName;
for (iName = 0; iName < ma_countof(g_maBlacklistedPlaybackDeviceNamesALSA); ++iName) {
if (ma_strcmp(name, g_maBlacklistedPlaybackDeviceNamesALSA[iName]) == 0) {
return MA_TRUE;
}
}
return MA_FALSE;
}
static ma_bool32 ma_is_capture_device_blacklisted__alsa(const char* name)
{
size_t iName;
for (iName = 0; iName < ma_countof(g_maBlacklistedCaptureDeviceNamesALSA); ++iName) {
if (ma_strcmp(name, g_maBlacklistedCaptureDeviceNamesALSA[iName]) == 0) {
return MA_TRUE;
}
}
return MA_FALSE;
}
static ma_bool32 ma_is_device_blacklisted__alsa(ma_device_type deviceType, const char* name)
{
if (deviceType == ma_device_type_playback) {
return ma_is_playback_device_blacklisted__alsa(name);
} else {
return ma_is_capture_device_blacklisted__alsa(name);
}
}
static const char* ma_find_char(const char* str, char c, int* index)
{
int i = 0;
for (;;) {
if (str[i] == '\0') {
if (index) *index = -1;
return NULL;
}
if (str[i] == c) {
if (index) *index = i;
return str + i;
}
i += 1;
}
if (index) *index = -1;
return NULL;
}
static ma_bool32 ma_is_device_name_in_hw_format__alsa(const char* hwid)
{
int commaPos;
const char* dev;
int i;
if (hwid == NULL) {
return MA_FALSE;
}
if (hwid[0] != 'h' || hwid[1] != 'w' || hwid[2] != ':') {
return MA_FALSE;
}
hwid += 3;
dev = ma_find_char(hwid, ',', &commaPos);
if (dev == NULL) {
return MA_FALSE;
} else {
dev += 1;
}
for (i = 0; i < commaPos; ++i) {
if (hwid[i] < '0' || hwid[i] > '9') {
return MA_FALSE;
}
}
i = 0;
while (dev[i] != '\0') {
if (dev[i] < '0' || dev[i] > '9') {
return MA_FALSE;
}
i += 1;
}
return MA_TRUE;
}
static int ma_convert_device_name_to_hw_format__alsa(ma_context* pContext, char* dst, size_t dstSize, const char* src)
{
int colonPos;
int commaPos;
char card[256];
const char* dev;
int cardIndex;
if (dst == NULL) {
return -1;
}
if (dstSize < 7) {
return -1;
}
*dst = '\0';
if (src == NULL) {
return -1;
}
if (ma_is_device_name_in_hw_format__alsa(src)) {
return ma_strcpy_s(dst, dstSize, src);
}
src = ma_find_char(src, ':', &colonPos);
if (src == NULL) {
return -1;
}
dev = ma_find_char(src, ',', &commaPos);
if (dev == NULL) {
dev = "0";
ma_strncpy_s(card, sizeof(card), src+6, (size_t)-1);
} else {
dev = dev + 5;
ma_strncpy_s(card, sizeof(card), src+6, commaPos-6);
}
cardIndex = ((ma_snd_card_get_index_proc)pContext->alsa.snd_card_get_index)(card);
if (cardIndex < 0) {
return -2;
}
dst[0] = 'h'; dst[1] = 'w'; dst[2] = ':';
if (ma_itoa_s(cardIndex, dst+3, dstSize-3, 10) != 0) {
return -3;
}
if (ma_strcat_s(dst, dstSize, ",") != 0) {
return -3;
}
if (ma_strcat_s(dst, dstSize, dev) != 0) {
return -3;
}
return 0;
}
static ma_bool32 ma_does_id_exist_in_list__alsa(ma_device_id* pUniqueIDs, ma_uint32 count, const char* pHWID)
{
ma_uint32 i;
MA_ASSERT(pHWID != NULL);
for (i = 0; i < count; ++i) {
if (ma_strcmp(pUniqueIDs[i].alsa, pHWID) == 0) {
return MA_TRUE;
}
}
return MA_FALSE;
}
static ma_result ma_context_open_pcm__alsa(ma_context* pContext, ma_share_mode shareMode, ma_device_type deviceType, const ma_device_id* pDeviceID, int openMode, ma_snd_pcm_t** ppPCM)
{
ma_snd_pcm_t* pPCM;
ma_snd_pcm_stream_t stream;
MA_ASSERT(pContext != NULL);
MA_ASSERT(ppPCM != NULL);
*ppPCM = NULL;
pPCM = NULL;
stream = (deviceType == ma_device_type_playback) ? MA_SND_PCM_STREAM_PLAYBACK : MA_SND_PCM_STREAM_CAPTURE;
if (pDeviceID == NULL) {
ma_bool32 isDeviceOpen;
size_t i;
const char* defaultDeviceNames[] = {
"default",
NULL,
NULL,
NULL,
NULL,
NULL,
NULL
};
if (shareMode == ma_share_mode_exclusive) {
defaultDeviceNames[1] = "hw";
defaultDeviceNames[2] = "hw:0";
defaultDeviceNames[3] = "hw:0,0";
} else {
if (deviceType == ma_device_type_playback) {
defaultDeviceNames[1] = "dmix";
defaultDeviceNames[2] = "dmix:0";
defaultDeviceNames[3] = "dmix:0,0";
} else {
defaultDeviceNames[1] = "dsnoop";
defaultDeviceNames[2] = "dsnoop:0";
defaultDeviceNames[3] = "dsnoop:0,0";
}
defaultDeviceNames[4] = "hw";
defaultDeviceNames[5] = "hw:0";
defaultDeviceNames[6] = "hw:0,0";
}
isDeviceOpen = MA_FALSE;
for (i = 0; i < ma_countof(defaultDeviceNames); ++i) {
if (defaultDeviceNames[i] != NULL && defaultDeviceNames[i][0] != '\0') {
if (((ma_snd_pcm_open_proc)pContext->alsa.snd_pcm_open)(&pPCM, defaultDeviceNames[i], stream, openMode) == 0) {
isDeviceOpen = MA_TRUE;
break;
}
}
}
if (!isDeviceOpen) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[ALSA] snd_pcm_open() failed when trying to open an appropriate default device.");
return MA_FAILED_TO_OPEN_BACKEND_DEVICE;
}
} else {
ma_device_id deviceID = *pDeviceID;
int resultALSA = -ENODEV;
if (deviceID.alsa[0] != ':') {
resultALSA = ((ma_snd_pcm_open_proc)pContext->alsa.snd_pcm_open)(&pPCM, deviceID.alsa, stream, openMode);
} else {
char hwid[256];
if (deviceID.alsa[1] == '\0') {
deviceID.alsa[0] = '\0';
}
if (shareMode == ma_share_mode_shared) {
if (deviceType == ma_device_type_playback) {
ma_strcpy_s(hwid, sizeof(hwid), "dmix");
} else {
ma_strcpy_s(hwid, sizeof(hwid), "dsnoop");
}
if (ma_strcat_s(hwid, sizeof(hwid), deviceID.alsa) == 0) {
resultALSA = ((ma_snd_pcm_open_proc)pContext->alsa.snd_pcm_open)(&pPCM, hwid, stream, openMode);
}
}
if (resultALSA != 0) {
ma_strcpy_s(hwid, sizeof(hwid), "hw");
if (ma_strcat_s(hwid, sizeof(hwid), deviceID.alsa) == 0) {
resultALSA = ((ma_snd_pcm_open_proc)pContext->alsa.snd_pcm_open)(&pPCM, hwid, stream, openMode);
}
}
}
if (resultALSA < 0) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[ALSA] snd_pcm_open() failed.");
return ma_result_from_errno(-resultALSA);
}
}
*ppPCM = pPCM;
return MA_SUCCESS;
}
static ma_result ma_context_enumerate_devices__alsa(ma_context* pContext, ma_enum_devices_callback_proc callback, void* pUserData)
{
int resultALSA;
ma_bool32 cbResult = MA_TRUE;
char** ppDeviceHints;
ma_device_id* pUniqueIDs = NULL;
ma_uint32 uniqueIDCount = 0;
char** ppNextDeviceHint;
MA_ASSERT(pContext != NULL);
MA_ASSERT(callback != NULL);
ma_mutex_lock(&pContext->alsa.internalDeviceEnumLock);
resultALSA = ((ma_snd_device_name_hint_proc)pContext->alsa.snd_device_name_hint)(-1, "pcm", (void***)&ppDeviceHints);
if (resultALSA < 0) {
ma_mutex_unlock(&pContext->alsa.internalDeviceEnumLock);
return ma_result_from_errno(-resultALSA);
}
ppNextDeviceHint = ppDeviceHints;
while (*ppNextDeviceHint != NULL) {
char* NAME = ((ma_snd_device_name_get_hint_proc)pContext->alsa.snd_device_name_get_hint)(*ppNextDeviceHint, "NAME");
char* DESC = ((ma_snd_device_name_get_hint_proc)pContext->alsa.snd_device_name_get_hint)(*ppNextDeviceHint, "DESC");
char* IOID = ((ma_snd_device_name_get_hint_proc)pContext->alsa.snd_device_name_get_hint)(*ppNextDeviceHint, "IOID");
ma_device_type deviceType = ma_device_type_playback;
ma_bool32 stopEnumeration = MA_FALSE;
char hwid[sizeof(pUniqueIDs->alsa)];
ma_device_info deviceInfo;
if ((IOID == NULL || ma_strcmp(IOID, "Output") == 0)) {
deviceType = ma_device_type_playback;
}
if ((IOID != NULL && ma_strcmp(IOID, "Input" ) == 0)) {
deviceType = ma_device_type_capture;
}
if (NAME != NULL) {
if (pContext->alsa.useVerboseDeviceEnumeration) {
ma_strncpy_s(hwid, sizeof(hwid), NAME, (size_t)-1);
} else {
if (ma_convert_device_name_to_hw_format__alsa(pContext, hwid, sizeof(hwid), NAME) == 0) {
char* dst = hwid;
char* src = hwid+2;
while ((*dst++ = *src++));
} else {
ma_strncpy_s(hwid, sizeof(hwid), NAME, (size_t)-1);
}
if (ma_does_id_exist_in_list__alsa(pUniqueIDs, uniqueIDCount, hwid)) {
goto next_device;
} else {
size_t newCapacity = sizeof(*pUniqueIDs) * (uniqueIDCount + 1);
ma_device_id* pNewUniqueIDs = (ma_device_id*)ma_realloc(pUniqueIDs, newCapacity, &pContext->allocationCallbacks);
if (pNewUniqueIDs == NULL) {
goto next_device;
}
pUniqueIDs = pNewUniqueIDs;
MA_COPY_MEMORY(pUniqueIDs[uniqueIDCount].alsa, hwid, sizeof(hwid));
uniqueIDCount += 1;
}
}
} else {
MA_ZERO_MEMORY(hwid, sizeof(hwid));
}
MA_ZERO_OBJECT(&deviceInfo);
ma_strncpy_s(deviceInfo.id.alsa, sizeof(deviceInfo.id.alsa), hwid, (size_t)-1);
if (ma_strcmp(deviceInfo.id.alsa, "default") == 0) {
deviceInfo.isDefault = MA_TRUE;
}
if (DESC != NULL) {
int lfPos;
const char* line2 = ma_find_char(DESC, '\n', &lfPos);
if (line2 != NULL) {
line2 += 1;
if (pContext->alsa.useVerboseDeviceEnumeration) {
ma_strncpy_s(deviceInfo.name, sizeof(deviceInfo.name), DESC, lfPos);
ma_strcat_s (deviceInfo.name, sizeof(deviceInfo.name), " (");
ma_strcat_s (deviceInfo.name, sizeof(deviceInfo.name), line2);
ma_strcat_s (deviceInfo.name, sizeof(deviceInfo.name), ")");
} else {
ma_strncpy_s(deviceInfo.name, sizeof(deviceInfo.name), DESC, lfPos);
}
} else {
ma_strncpy_s(deviceInfo.name, sizeof(deviceInfo.name), DESC, (size_t)-1);
}
}
if (!ma_is_device_blacklisted__alsa(deviceType, NAME)) {
cbResult = callback(pContext, deviceType, &deviceInfo, pUserData);
}
if (cbResult) {
if (ma_is_common_device_name__alsa(NAME) || IOID == NULL) {
if (deviceType == ma_device_type_playback) {
if (!ma_is_capture_device_blacklisted__alsa(NAME)) {
cbResult = callback(pContext, ma_device_type_capture, &deviceInfo, pUserData);
}
} else {
if (!ma_is_playback_device_blacklisted__alsa(NAME)) {
cbResult = callback(pContext, ma_device_type_playback, &deviceInfo, pUserData);
}
}
}
}
if (cbResult == MA_FALSE) {
stopEnumeration = MA_TRUE;
}
next_device:
free(NAME);
free(DESC);
free(IOID);
ppNextDeviceHint += 1;
if (stopEnumeration) {
break;
}
}
ma_free(pUniqueIDs, &pContext->allocationCallbacks);
((ma_snd_device_name_free_hint_proc)pContext->alsa.snd_device_name_free_hint)((void**)ppDeviceHints);
ma_mutex_unlock(&pContext->alsa.internalDeviceEnumLock);
return MA_SUCCESS;
}
typedef struct
{
ma_device_type deviceType;
const ma_device_id* pDeviceID;
ma_share_mode shareMode;
ma_device_info* pDeviceInfo;
ma_bool32 foundDevice;
} ma_context_get_device_info_enum_callback_data__alsa;
static ma_bool32 ma_context_get_device_info_enum_callback__alsa(ma_context* pContext, ma_device_type deviceType, const ma_device_info* pDeviceInfo, void* pUserData)
{
ma_context_get_device_info_enum_callback_data__alsa* pData = (ma_context_get_device_info_enum_callback_data__alsa*)pUserData;
MA_ASSERT(pData != NULL);
(void)pContext;
if (pData->pDeviceID == NULL && ma_strcmp(pDeviceInfo->id.alsa, "default") == 0) {
ma_strncpy_s(pData->pDeviceInfo->name, sizeof(pData->pDeviceInfo->name), pDeviceInfo->name, (size_t)-1);
pData->foundDevice = MA_TRUE;
} else {
if (pData->deviceType == deviceType && (pData->pDeviceID != NULL && ma_strcmp(pData->pDeviceID->alsa, pDeviceInfo->id.alsa) == 0)) {
ma_strncpy_s(pData->pDeviceInfo->name, sizeof(pData->pDeviceInfo->name), pDeviceInfo->name, (size_t)-1);
pData->foundDevice = MA_TRUE;
}
}
return !pData->foundDevice;
}
static void ma_context_test_rate_and_add_native_data_format__alsa(ma_context* pContext, ma_snd_pcm_t* pPCM, ma_snd_pcm_hw_params_t* pHWParams, ma_format format, ma_uint32 channels, ma_uint32 sampleRate, ma_uint32 flags, ma_device_info* pDeviceInfo)
{
MA_ASSERT(pPCM != NULL);
MA_ASSERT(pHWParams != NULL);
MA_ASSERT(pDeviceInfo != NULL);
if (pDeviceInfo->nativeDataFormatCount < ma_countof(pDeviceInfo->nativeDataFormats) && ((ma_snd_pcm_hw_params_test_rate_proc)pContext->alsa.snd_pcm_hw_params_test_rate)(pPCM, pHWParams, sampleRate, 0) == 0) {
pDeviceInfo->nativeDataFormats[pDeviceInfo->nativeDataFormatCount].format = format;
pDeviceInfo->nativeDataFormats[pDeviceInfo->nativeDataFormatCount].channels = channels;
pDeviceInfo->nativeDataFormats[pDeviceInfo->nativeDataFormatCount].sampleRate = sampleRate;
pDeviceInfo->nativeDataFormats[pDeviceInfo->nativeDataFormatCount].flags = flags;
pDeviceInfo->nativeDataFormatCount += 1;
}
}
static void ma_context_iterate_rates_and_add_native_data_format__alsa(ma_context* pContext, ma_snd_pcm_t* pPCM, ma_snd_pcm_hw_params_t* pHWParams, ma_format format, ma_uint32 channels, ma_uint32 flags, ma_device_info* pDeviceInfo)
{
ma_uint32 iSampleRate;
unsigned int minSampleRate;
unsigned int maxSampleRate;
int sampleRateDir;
((ma_snd_pcm_hw_params_get_rate_min_proc)pContext->alsa.snd_pcm_hw_params_get_rate_min)(pHWParams, &minSampleRate, &sampleRateDir);
((ma_snd_pcm_hw_params_get_rate_max_proc)pContext->alsa.snd_pcm_hw_params_get_rate_max)(pHWParams, &maxSampleRate, &sampleRateDir);
minSampleRate = ma_clamp(minSampleRate, (unsigned int)ma_standard_sample_rate_min, (unsigned int)ma_standard_sample_rate_max);
maxSampleRate = ma_clamp(maxSampleRate, (unsigned int)ma_standard_sample_rate_min, (unsigned int)ma_standard_sample_rate_max);
for (iSampleRate = 0; iSampleRate < ma_countof(g_maStandardSampleRatePriorities); iSampleRate += 1) {
ma_uint32 standardSampleRate = g_maStandardSampleRatePriorities[iSampleRate];
if (standardSampleRate >= minSampleRate && standardSampleRate <= maxSampleRate) {
ma_context_test_rate_and_add_native_data_format__alsa(pContext, pPCM, pHWParams, format, channels, standardSampleRate, flags, pDeviceInfo);
}
}
if (!ma_is_standard_sample_rate(minSampleRate)) {
ma_context_test_rate_and_add_native_data_format__alsa(pContext, pPCM, pHWParams, format, channels, minSampleRate, flags, pDeviceInfo);
}
if (!ma_is_standard_sample_rate(maxSampleRate) && maxSampleRate != minSampleRate) {
ma_context_test_rate_and_add_native_data_format__alsa(pContext, pPCM, pHWParams, format, channels, maxSampleRate, flags, pDeviceInfo);
}
}
static ma_result ma_context_get_device_info__alsa(ma_context* pContext, ma_device_type deviceType, const ma_device_id* pDeviceID, ma_device_info* pDeviceInfo)
{
ma_context_get_device_info_enum_callback_data__alsa data;
ma_result result;
int resultALSA;
ma_snd_pcm_t* pPCM;
ma_snd_pcm_hw_params_t* pHWParams;
ma_uint32 iFormat;
ma_uint32 iChannel;
MA_ASSERT(pContext != NULL);
data.deviceType = deviceType;
data.pDeviceID = pDeviceID;
data.pDeviceInfo = pDeviceInfo;
data.foundDevice = MA_FALSE;
result = ma_context_enumerate_devices__alsa(pContext, ma_context_get_device_info_enum_callback__alsa, &data);
if (result != MA_SUCCESS) {
return result;
}
if (!data.foundDevice) {
return MA_NO_DEVICE;
}
if (ma_strcmp(pDeviceInfo->id.alsa, "default") == 0) {
pDeviceInfo->isDefault = MA_TRUE;
}
result = ma_context_open_pcm__alsa(pContext, ma_share_mode_shared, deviceType, pDeviceID, 0, &pPCM);
if (result != MA_SUCCESS) {
return result;
}
pHWParams = (ma_snd_pcm_hw_params_t*)ma_calloc(((ma_snd_pcm_hw_params_sizeof_proc)pContext->alsa.snd_pcm_hw_params_sizeof)(), &pContext->allocationCallbacks);
if (pHWParams == NULL) {
((ma_snd_pcm_close_proc)pContext->alsa.snd_pcm_close)(pPCM);
return MA_OUT_OF_MEMORY;
}
resultALSA = ((ma_snd_pcm_hw_params_any_proc)pContext->alsa.snd_pcm_hw_params_any)(pPCM, pHWParams);
if (resultALSA < 0) {
ma_free(pHWParams, &pContext->allocationCallbacks);
((ma_snd_pcm_close_proc)pContext->alsa.snd_pcm_close)(pPCM);
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[ALSA] Failed to initialize hardware parameters. snd_pcm_hw_params_any() failed.");
return ma_result_from_errno(-resultALSA);
}
for (iFormat = 0; iFormat < ma_countof(g_maFormatPriorities); iFormat += 1) {
ma_format format = g_maFormatPriorities[iFormat];
((ma_snd_pcm_hw_params_any_proc)pContext->alsa.snd_pcm_hw_params_any)(pPCM, pHWParams);
if (((ma_snd_pcm_hw_params_test_format_proc)pContext->alsa.snd_pcm_hw_params_test_format)(pPCM, pHWParams, ma_convert_ma_format_to_alsa_format(format)) == 0) {
unsigned int minChannels;
unsigned int maxChannels;
((ma_snd_pcm_hw_params_set_format_proc)pContext->alsa.snd_pcm_hw_params_set_format)(pPCM, pHWParams, ma_convert_ma_format_to_alsa_format(format));
((ma_snd_pcm_hw_params_get_channels_min_proc)pContext->alsa.snd_pcm_hw_params_get_channels_min)(pHWParams, &minChannels);
((ma_snd_pcm_hw_params_get_channels_max_proc)pContext->alsa.snd_pcm_hw_params_get_channels_max)(pHWParams, &maxChannels);
if (minChannels > MA_MAX_CHANNELS) {
continue;
}
if (maxChannels < MA_MIN_CHANNELS) {
continue;
}
minChannels = ma_clamp(minChannels, MA_MIN_CHANNELS, MA_MAX_CHANNELS);
maxChannels = ma_clamp(maxChannels, MA_MIN_CHANNELS, MA_MAX_CHANNELS);
if (minChannels == MA_MIN_CHANNELS && maxChannels == MA_MAX_CHANNELS) {
ma_context_iterate_rates_and_add_native_data_format__alsa(pContext, pPCM, pHWParams, format, 0, 0, pDeviceInfo);
} else {
for (iChannel = minChannels; iChannel <= maxChannels; iChannel += 1) {
unsigned int channels = iChannel;
((ma_snd_pcm_hw_params_any_proc)pContext->alsa.snd_pcm_hw_params_any)(pPCM, pHWParams);
((ma_snd_pcm_hw_params_set_format_proc)pContext->alsa.snd_pcm_hw_params_set_format)(pPCM, pHWParams, ma_convert_ma_format_to_alsa_format(format));
if (((ma_snd_pcm_hw_params_test_channels_proc)pContext->alsa.snd_pcm_hw_params_test_channels)(pPCM, pHWParams, channels) == 0) {
((ma_snd_pcm_hw_params_set_channels_proc)pContext->alsa.snd_pcm_hw_params_set_channels)(pPCM, pHWParams, channels);
ma_context_iterate_rates_and_add_native_data_format__alsa(pContext, pPCM, pHWParams, format, channels, 0, pDeviceInfo);
} else {
}
}
}
} else {
}
}
ma_free(pHWParams, &pContext->allocationCallbacks);
((ma_snd_pcm_close_proc)pContext->alsa.snd_pcm_close)(pPCM);
return MA_SUCCESS;
}
static ma_result ma_device_uninit__alsa(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
if ((ma_snd_pcm_t*)pDevice->alsa.pPCMCapture) {
((ma_snd_pcm_close_proc)pDevice->pContext->alsa.snd_pcm_close)((ma_snd_pcm_t*)pDevice->alsa.pPCMCapture);
close(pDevice->alsa.wakeupfdCapture);
ma_free(pDevice->alsa.pPollDescriptorsCapture, &pDevice->pContext->allocationCallbacks);
}
if ((ma_snd_pcm_t*)pDevice->alsa.pPCMPlayback) {
((ma_snd_pcm_close_proc)pDevice->pContext->alsa.snd_pcm_close)((ma_snd_pcm_t*)pDevice->alsa.pPCMPlayback);
close(pDevice->alsa.wakeupfdPlayback);
ma_free(pDevice->alsa.pPollDescriptorsPlayback, &pDevice->pContext->allocationCallbacks);
}
return MA_SUCCESS;
}
static ma_result ma_device_init_by_type__alsa(ma_device* pDevice, const ma_device_config* pConfig, ma_device_descriptor* pDescriptor, ma_device_type deviceType)
{
ma_result result;
int resultALSA;
ma_snd_pcm_t* pPCM;
ma_bool32 isUsingMMap;
ma_snd_pcm_format_t formatALSA;
ma_format internalFormat;
ma_uint32 internalChannels;
ma_uint32 internalSampleRate;
ma_channel internalChannelMap[MA_MAX_CHANNELS];
ma_uint32 internalPeriodSizeInFrames;
ma_uint32 internalPeriods;
int openMode;
ma_snd_pcm_hw_params_t* pHWParams;
ma_snd_pcm_sw_params_t* pSWParams;
ma_snd_pcm_uframes_t bufferBoundary;
int pollDescriptorCount;
struct pollfd* pPollDescriptors;
int wakeupfd;
MA_ASSERT(pConfig != NULL);
MA_ASSERT(deviceType != ma_device_type_duplex);
MA_ASSERT(pDevice != NULL);
formatALSA = ma_convert_ma_format_to_alsa_format(pDescriptor->format);
openMode = 0;
if (pConfig->alsa.noAutoResample) {
openMode |= MA_SND_PCM_NO_AUTO_RESAMPLE;
}
if (pConfig->alsa.noAutoChannels) {
openMode |= MA_SND_PCM_NO_AUTO_CHANNELS;
}
if (pConfig->alsa.noAutoFormat) {
openMode |= MA_SND_PCM_NO_AUTO_FORMAT;
}
result = ma_context_open_pcm__alsa(pDevice->pContext, pDescriptor->shareMode, deviceType, pDescriptor->pDeviceID, openMode, &pPCM);
if (result != MA_SUCCESS) {
return result;
}
pHWParams = (ma_snd_pcm_hw_params_t*)ma_calloc(((ma_snd_pcm_hw_params_sizeof_proc)pDevice->pContext->alsa.snd_pcm_hw_params_sizeof)(), &pDevice->pContext->allocationCallbacks);
if (pHWParams == NULL) {
((ma_snd_pcm_close_proc)pDevice->pContext->alsa.snd_pcm_close)(pPCM);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[ALSA] Failed to allocate memory for hardware parameters.");
return MA_OUT_OF_MEMORY;
}
resultALSA = ((ma_snd_pcm_hw_params_any_proc)pDevice->pContext->alsa.snd_pcm_hw_params_any)(pPCM, pHWParams);
if (resultALSA < 0) {
ma_free(pHWParams, &pDevice->pContext->allocationCallbacks);
((ma_snd_pcm_close_proc)pDevice->pContext->alsa.snd_pcm_close)(pPCM);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[ALSA] Failed to initialize hardware parameters. snd_pcm_hw_params_any() failed.");
return ma_result_from_errno(-resultALSA);
}
isUsingMMap = MA_FALSE;
#if 0
if (deviceType != ma_device_type_capture) {
if (!pConfig->alsa.noMMap) {
if (((ma_snd_pcm_hw_params_set_access_proc)pDevice->pContext->alsa.snd_pcm_hw_params_set_access)(pPCM, pHWParams, MA_SND_PCM_ACCESS_MMAP_INTERLEAVED) == 0) {
pDevice->alsa.isUsingMMap = MA_TRUE;
}
}
}
#endif
if (!isUsingMMap) {
resultALSA = ((ma_snd_pcm_hw_params_set_access_proc)pDevice->pContext->alsa.snd_pcm_hw_params_set_access)(pPCM, pHWParams, MA_SND_PCM_ACCESS_RW_INTERLEAVED);
if (resultALSA < 0) {
ma_free(pHWParams, &pDevice->pContext->allocationCallbacks);
((ma_snd_pcm_close_proc)pDevice->pContext->alsa.snd_pcm_close)(pPCM);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[ALSA] Failed to set access mode to neither SND_PCM_ACCESS_MMAP_INTERLEAVED nor SND_PCM_ACCESS_RW_INTERLEAVED. snd_pcm_hw_params_set_access() failed.");
return ma_result_from_errno(-resultALSA);
}
}
{
if (formatALSA == MA_SND_PCM_FORMAT_UNKNOWN || ((ma_snd_pcm_hw_params_test_format_proc)pDevice->pContext->alsa.snd_pcm_hw_params_test_format)(pPCM, pHWParams, formatALSA) != 0) {
size_t iFormat;
formatALSA = MA_SND_PCM_FORMAT_UNKNOWN;
for (iFormat = 0; iFormat < ma_countof(g_maFormatPriorities); ++iFormat) {
if (((ma_snd_pcm_hw_params_test_format_proc)pDevice->pContext->alsa.snd_pcm_hw_params_test_format)(pPCM, pHWParams, ma_convert_ma_format_to_alsa_format(g_maFormatPriorities[iFormat])) == 0) {
formatALSA = ma_convert_ma_format_to_alsa_format(g_maFormatPriorities[iFormat]);
break;
}
}
if (formatALSA == MA_SND_PCM_FORMAT_UNKNOWN) {
ma_free(pHWParams, &pDevice->pContext->allocationCallbacks);
((ma_snd_pcm_close_proc)pDevice->pContext->alsa.snd_pcm_close)(pPCM);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[ALSA] Format not supported. The device does not support any miniaudio formats.");
return MA_FORMAT_NOT_SUPPORTED;
}
}
resultALSA = ((ma_snd_pcm_hw_params_set_format_proc)pDevice->pContext->alsa.snd_pcm_hw_params_set_format)(pPCM, pHWParams, formatALSA);
if (resultALSA < 0) {
ma_free(pHWParams, &pDevice->pContext->allocationCallbacks);
((ma_snd_pcm_close_proc)pDevice->pContext->alsa.snd_pcm_close)(pPCM);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[ALSA] Format not supported. snd_pcm_hw_params_set_format() failed.");
return ma_result_from_errno(-resultALSA);
}
internalFormat = ma_format_from_alsa(formatALSA);
if (internalFormat == ma_format_unknown) {
ma_free(pHWParams, &pDevice->pContext->allocationCallbacks);
((ma_snd_pcm_close_proc)pDevice->pContext->alsa.snd_pcm_close)(pPCM);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[ALSA] The chosen format is not supported by miniaudio.");
return MA_FORMAT_NOT_SUPPORTED;
}
}
{
unsigned int channels = pDescriptor->channels;
if (channels == 0) {
channels = MA_DEFAULT_CHANNELS;
}
resultALSA = ((ma_snd_pcm_hw_params_set_channels_near_proc)pDevice->pContext->alsa.snd_pcm_hw_params_set_channels_near)(pPCM, pHWParams, &channels);
if (resultALSA < 0) {
ma_free(pHWParams, &pDevice->pContext->allocationCallbacks);
((ma_snd_pcm_close_proc)pDevice->pContext->alsa.snd_pcm_close)(pPCM);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[ALSA] Failed to set channel count. snd_pcm_hw_params_set_channels_near() failed.");
return ma_result_from_errno(-resultALSA);
}
internalChannels = (ma_uint32)channels;
}
{
unsigned int sampleRate;
((ma_snd_pcm_hw_params_set_rate_resample_proc)pDevice->pContext->alsa.snd_pcm_hw_params_set_rate_resample)(pPCM, pHWParams, 0);
sampleRate = pDescriptor->sampleRate;
if (sampleRate == 0) {
sampleRate = MA_DEFAULT_SAMPLE_RATE;
}
resultALSA = ((ma_snd_pcm_hw_params_set_rate_near_proc)pDevice->pContext->alsa.snd_pcm_hw_params_set_rate_near)(pPCM, pHWParams, &sampleRate, 0);
if (resultALSA < 0) {
ma_free(pHWParams, &pDevice->pContext->allocationCallbacks);
((ma_snd_pcm_close_proc)pDevice->pContext->alsa.snd_pcm_close)(pPCM);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[ALSA] Sample rate not supported. snd_pcm_hw_params_set_rate_near() failed.");
return ma_result_from_errno(-resultALSA);
}
internalSampleRate = (ma_uint32)sampleRate;
}
{
ma_uint32 periods = pDescriptor->periodCount;
resultALSA = ((ma_snd_pcm_hw_params_set_periods_near_proc)pDevice->pContext->alsa.snd_pcm_hw_params_set_periods_near)(pPCM, pHWParams, &periods, NULL);
if (resultALSA < 0) {
ma_free(pHWParams, &pDevice->pContext->allocationCallbacks);
((ma_snd_pcm_close_proc)pDevice->pContext->alsa.snd_pcm_close)(pPCM);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[ALSA] Failed to set period count. snd_pcm_hw_params_set_periods_near() failed.");
return ma_result_from_errno(-resultALSA);
}
internalPeriods = periods;
}
{
ma_snd_pcm_uframes_t actualBufferSizeInFrames = ma_calculate_buffer_size_in_frames_from_descriptor(pDescriptor, internalSampleRate, pConfig->performanceProfile) * internalPeriods;
resultALSA = ((ma_snd_pcm_hw_params_set_buffer_size_near_proc)pDevice->pContext->alsa.snd_pcm_hw_params_set_buffer_size_near)(pPCM, pHWParams, &actualBufferSizeInFrames);
if (resultALSA < 0) {
ma_free(pHWParams, &pDevice->pContext->allocationCallbacks);
((ma_snd_pcm_close_proc)pDevice->pContext->alsa.snd_pcm_close)(pPCM);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[ALSA] Failed to set buffer size for device. snd_pcm_hw_params_set_buffer_size() failed.");
return ma_result_from_errno(-resultALSA);
}
internalPeriodSizeInFrames = actualBufferSizeInFrames / internalPeriods;
}
resultALSA = ((ma_snd_pcm_hw_params_proc)pDevice->pContext->alsa.snd_pcm_hw_params)(pPCM, pHWParams);
if (resultALSA < 0) {
ma_free(pHWParams, &pDevice->pContext->allocationCallbacks);
((ma_snd_pcm_close_proc)pDevice->pContext->alsa.snd_pcm_close)(pPCM);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[ALSA] Failed to set hardware parameters. snd_pcm_hw_params() failed.");
return ma_result_from_errno(-resultALSA);
}
ma_free(pHWParams, &pDevice->pContext->allocationCallbacks);
pHWParams = NULL;
pSWParams = (ma_snd_pcm_sw_params_t*)ma_calloc(((ma_snd_pcm_sw_params_sizeof_proc)pDevice->pContext->alsa.snd_pcm_sw_params_sizeof)(), &pDevice->pContext->allocationCallbacks);
if (pSWParams == NULL) {
((ma_snd_pcm_close_proc)pDevice->pContext->alsa.snd_pcm_close)(pPCM);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[ALSA] Failed to allocate memory for software parameters.");
return MA_OUT_OF_MEMORY;
}
resultALSA = ((ma_snd_pcm_sw_params_current_proc)pDevice->pContext->alsa.snd_pcm_sw_params_current)(pPCM, pSWParams);
if (resultALSA < 0) {
ma_free(pSWParams, &pDevice->pContext->allocationCallbacks);
((ma_snd_pcm_close_proc)pDevice->pContext->alsa.snd_pcm_close)(pPCM);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[ALSA] Failed to initialize software parameters. snd_pcm_sw_params_current() failed.");
return ma_result_from_errno(-resultALSA);
}
resultALSA = ((ma_snd_pcm_sw_params_set_avail_min_proc)pDevice->pContext->alsa.snd_pcm_sw_params_set_avail_min)(pPCM, pSWParams, ma_prev_power_of_2(internalPeriodSizeInFrames));
if (resultALSA < 0) {
ma_free(pSWParams, &pDevice->pContext->allocationCallbacks);
((ma_snd_pcm_close_proc)pDevice->pContext->alsa.snd_pcm_close)(pPCM);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[ALSA] snd_pcm_sw_params_set_avail_min() failed.");
return ma_result_from_errno(-resultALSA);
}
resultALSA = ((ma_snd_pcm_sw_params_get_boundary_proc)pDevice->pContext->alsa.snd_pcm_sw_params_get_boundary)(pSWParams, &bufferBoundary);
if (resultALSA < 0) {
bufferBoundary = internalPeriodSizeInFrames * internalPeriods;
}
if (deviceType == ma_device_type_playback && !isUsingMMap) {
resultALSA = ((ma_snd_pcm_sw_params_set_start_threshold_proc)pDevice->pContext->alsa.snd_pcm_sw_params_set_start_threshold)(pPCM, pSWParams, internalPeriodSizeInFrames*2);
if (resultALSA < 0) {
ma_free(pSWParams, &pDevice->pContext->allocationCallbacks);
((ma_snd_pcm_close_proc)pDevice->pContext->alsa.snd_pcm_close)(pPCM);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[ALSA] Failed to set start threshold for playback device. snd_pcm_sw_params_set_start_threshold() failed.");
return ma_result_from_errno(-resultALSA);
}
resultALSA = ((ma_snd_pcm_sw_params_set_stop_threshold_proc)pDevice->pContext->alsa.snd_pcm_sw_params_set_stop_threshold)(pPCM, pSWParams, bufferBoundary);
if (resultALSA < 0) {
ma_free(pSWParams, &pDevice->pContext->allocationCallbacks);
((ma_snd_pcm_close_proc)pDevice->pContext->alsa.snd_pcm_close)(pPCM);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[ALSA] Failed to set stop threshold for playback device. snd_pcm_sw_params_set_stop_threshold() failed.");
return ma_result_from_errno(-resultALSA);
}
}
resultALSA = ((ma_snd_pcm_sw_params_proc)pDevice->pContext->alsa.snd_pcm_sw_params)(pPCM, pSWParams);
if (resultALSA < 0) {
ma_free(pSWParams, &pDevice->pContext->allocationCallbacks);
((ma_snd_pcm_close_proc)pDevice->pContext->alsa.snd_pcm_close)(pPCM);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[ALSA] Failed to set software parameters. snd_pcm_sw_params() failed.");
return ma_result_from_errno(-resultALSA);
}
ma_free(pSWParams, &pDevice->pContext->allocationCallbacks);
pSWParams = NULL;
{
ma_snd_pcm_chmap_t* pChmap = NULL;
if (pDevice->pContext->alsa.snd_pcm_get_chmap != NULL) {
pChmap = ((ma_snd_pcm_get_chmap_proc)pDevice->pContext->alsa.snd_pcm_get_chmap)(pPCM);
}
if (pChmap != NULL) {
ma_uint32 iChannel;
if (pChmap->channels >= internalChannels) {
for (iChannel = 0; iChannel < internalChannels; ++iChannel) {
internalChannelMap[iChannel] = ma_convert_alsa_channel_position_to_ma_channel(pChmap->pos[iChannel]);
}
} else {
ma_uint32 i;
ma_bool32 isValid = MA_TRUE;
ma_channel_map_init_standard(ma_standard_channel_map_alsa, internalChannelMap, ma_countof(internalChannelMap), internalChannels);
for (iChannel = 0; iChannel < pChmap->channels; ++iChannel) {
internalChannelMap[iChannel] = ma_convert_alsa_channel_position_to_ma_channel(pChmap->pos[iChannel]);
}
for (i = 0; i < internalChannels && isValid; ++i) {
ma_uint32 j;
for (j = i+1; j < internalChannels; ++j) {
if (internalChannelMap[i] == internalChannelMap[j]) {
isValid = MA_FALSE;
break;
}
}
}
if (!isValid) {
ma_channel_map_init_standard(ma_standard_channel_map_alsa, internalChannelMap, ma_countof(internalChannelMap), internalChannels);
}
}
free(pChmap);
pChmap = NULL;
} else {
ma_channel_map_init_standard(ma_standard_channel_map_alsa, internalChannelMap, ma_countof(internalChannelMap), internalChannels);
}
}
pollDescriptorCount = ((ma_snd_pcm_poll_descriptors_count_proc)pDevice->pContext->alsa.snd_pcm_poll_descriptors_count)(pPCM);
if (pollDescriptorCount <= 0) {
((ma_snd_pcm_close_proc)pDevice->pContext->alsa.snd_pcm_close)(pPCM);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[ALSA] Failed to retrieve poll descriptors count.");
return MA_ERROR;
}
pPollDescriptors = (struct pollfd*)ma_malloc(sizeof(*pPollDescriptors) * (pollDescriptorCount + 1), &pDevice->pContext->allocationCallbacks);
if (pPollDescriptors == NULL) {
((ma_snd_pcm_close_proc)pDevice->pContext->alsa.snd_pcm_close)(pPCM);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[ALSA] Failed to allocate memory for poll descriptors.");
return MA_OUT_OF_MEMORY;
}
wakeupfd = eventfd(0, 0);
if (wakeupfd < 0) {
ma_free(pPollDescriptors, &pDevice->pContext->allocationCallbacks);
((ma_snd_pcm_close_proc)pDevice->pContext->alsa.snd_pcm_close)(pPCM);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[ALSA] Failed to create eventfd for poll wakeup.");
return ma_result_from_errno(errno);
}
pPollDescriptors[0].fd = wakeupfd;
pPollDescriptors[0].events = POLLIN;
pPollDescriptors[0].revents = 0;
pollDescriptorCount = ((ma_snd_pcm_poll_descriptors_proc)pDevice->pContext->alsa.snd_pcm_poll_descriptors)(pPCM, pPollDescriptors + 1, pollDescriptorCount);
if (pollDescriptorCount <= 0) {
close(wakeupfd);
ma_free(pPollDescriptors, &pDevice->pContext->allocationCallbacks);
((ma_snd_pcm_close_proc)pDevice->pContext->alsa.snd_pcm_close)(pPCM);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[ALSA] Failed to retrieve poll descriptors.");
return MA_ERROR;
}
if (deviceType == ma_device_type_capture) {
pDevice->alsa.pollDescriptorCountCapture = pollDescriptorCount;
pDevice->alsa.pPollDescriptorsCapture = pPollDescriptors;
pDevice->alsa.wakeupfdCapture = wakeupfd;
} else {
pDevice->alsa.pollDescriptorCountPlayback = pollDescriptorCount;
pDevice->alsa.pPollDescriptorsPlayback = pPollDescriptors;
pDevice->alsa.wakeupfdPlayback = wakeupfd;
}
resultALSA = ((ma_snd_pcm_prepare_proc)pDevice->pContext->alsa.snd_pcm_prepare)(pPCM);
if (resultALSA < 0) {
close(wakeupfd);
ma_free(pPollDescriptors, &pDevice->pContext->allocationCallbacks);
((ma_snd_pcm_close_proc)pDevice->pContext->alsa.snd_pcm_close)(pPCM);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[ALSA] Failed to prepare device.");
return ma_result_from_errno(-resultALSA);
}
if (deviceType == ma_device_type_capture) {
pDevice->alsa.pPCMCapture = (ma_ptr)pPCM;
pDevice->alsa.isUsingMMapCapture = isUsingMMap;
} else {
pDevice->alsa.pPCMPlayback = (ma_ptr)pPCM;
pDevice->alsa.isUsingMMapPlayback = isUsingMMap;
}
pDescriptor->format = internalFormat;
pDescriptor->channels = internalChannels;
pDescriptor->sampleRate = internalSampleRate;
ma_channel_map_copy(pDescriptor->channelMap, internalChannelMap, ma_min(internalChannels, MA_MAX_CHANNELS));
pDescriptor->periodSizeInFrames = internalPeriodSizeInFrames;
pDescriptor->periodCount = internalPeriods;
return MA_SUCCESS;
}
static ma_result ma_device_init__alsa(ma_device* pDevice, const ma_device_config* pConfig, ma_device_descriptor* pDescriptorPlayback, ma_device_descriptor* pDescriptorCapture)
{
MA_ASSERT(pDevice != NULL);
MA_ZERO_OBJECT(&pDevice->alsa);
if (pConfig->deviceType == ma_device_type_loopback) {
return MA_DEVICE_TYPE_NOT_SUPPORTED;
}
if (pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex) {
ma_result result = ma_device_init_by_type__alsa(pDevice, pConfig, pDescriptorCapture, ma_device_type_capture);
if (result != MA_SUCCESS) {
return result;
}
}
if (pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex) {
ma_result result = ma_device_init_by_type__alsa(pDevice, pConfig, pDescriptorPlayback, ma_device_type_playback);
if (result != MA_SUCCESS) {
return result;
}
}
return MA_SUCCESS;
}
static ma_result ma_device_start__alsa(ma_device* pDevice)
{
int resultALSA;
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
resultALSA = ((ma_snd_pcm_start_proc)pDevice->pContext->alsa.snd_pcm_start)((ma_snd_pcm_t*)pDevice->alsa.pPCMCapture);
if (resultALSA < 0) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[ALSA] Failed to start capture device.");
return ma_result_from_errno(-resultALSA);
}
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
resultALSA = ((ma_snd_pcm_start_proc)pDevice->pContext->alsa.snd_pcm_start)((ma_snd_pcm_t*)pDevice->alsa.pPCMPlayback);
if (resultALSA < 0) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[ALSA] Failed to start playback device.");
return ma_result_from_errno(-resultALSA);
}
}
return MA_SUCCESS;
}
static ma_result ma_device_stop__alsa(ma_device* pDevice)
{
int resultPoll;
int resultRead;
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "[ALSA] Dropping capture device...\n");
((ma_snd_pcm_drop_proc)pDevice->pContext->alsa.snd_pcm_drop)((ma_snd_pcm_t*)pDevice->alsa.pPCMCapture);
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "[ALSA] Dropping capture device successful.\n");
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "[ALSA] Preparing capture device...\n");
if (((ma_snd_pcm_prepare_proc)pDevice->pContext->alsa.snd_pcm_prepare)((ma_snd_pcm_t*)pDevice->alsa.pPCMCapture) < 0) {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "[ALSA] Preparing capture device failed.\n");
} else {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "[ALSA] Preparing capture device successful.\n");
}
resultPoll = poll((struct pollfd*)pDevice->alsa.pPollDescriptorsCapture, 1, 0);
if (resultPoll > 0) {
ma_uint64 t;
resultRead = read(((struct pollfd*)pDevice->alsa.pPollDescriptorsCapture)[0].fd, &t, sizeof(t));
if (resultRead != sizeof(t)) {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "[ALSA] Failed to read from capture wakeupfd. read() = %d\n", resultRead);
}
}
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "[ALSA] Dropping playback device...\n");
((ma_snd_pcm_drop_proc)pDevice->pContext->alsa.snd_pcm_drop)((ma_snd_pcm_t*)pDevice->alsa.pPCMPlayback);
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "[ALSA] Dropping playback device successful.\n");
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "[ALSA] Preparing playback device...\n");
if (((ma_snd_pcm_prepare_proc)pDevice->pContext->alsa.snd_pcm_prepare)((ma_snd_pcm_t*)pDevice->alsa.pPCMPlayback) < 0) {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "[ALSA] Preparing playback device failed.\n");
} else {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "[ALSA] Preparing playback device successful.\n");
}
resultPoll = poll((struct pollfd*)pDevice->alsa.pPollDescriptorsPlayback, 1, 0);
if (resultPoll > 0) {
ma_uint64 t;
resultRead = read(((struct pollfd*)pDevice->alsa.pPollDescriptorsPlayback)[0].fd, &t, sizeof(t));
if (resultRead != sizeof(t)) {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "[ALSA] Failed to read from playback wakeupfd. read() = %d\n", resultRead);
}
}
}
return MA_SUCCESS;
}
static ma_result ma_device_wait__alsa(ma_device* pDevice, ma_snd_pcm_t* pPCM, struct pollfd* pPollDescriptors, int pollDescriptorCount, short requiredEvent)
{
for (;;) {
unsigned short revents;
int resultALSA;
int resultPoll = poll(pPollDescriptors, pollDescriptorCount, -1);
if (resultPoll < 0) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_WARNING, "[ALSA] poll() failed.\n");
continue;
}
if ((pPollDescriptors[0].revents & POLLIN) != 0) {
ma_uint64 t;
int resultRead = read(pPollDescriptors[0].fd, &t, sizeof(t));
if (resultRead < 0) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[ALSA] read() failed.\n");
return ma_result_from_errno(errno);
}
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "[ALSA] POLLIN set for wakeupfd\n");
return MA_DEVICE_NOT_STARTED;
}
resultALSA = ((ma_snd_pcm_poll_descriptors_revents_proc)pDevice->pContext->alsa.snd_pcm_poll_descriptors_revents)(pPCM, pPollDescriptors + 1, pollDescriptorCount - 1, &revents);
if (resultALSA < 0) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[ALSA] snd_pcm_poll_descriptors_revents() failed.\n");
return ma_result_from_errno(-resultALSA);
}
if ((revents & POLLERR) != 0) {
ma_snd_pcm_state_t state = ((ma_snd_pcm_state_proc)pDevice->pContext->alsa.snd_pcm_state)(pPCM);
if (state == MA_SND_PCM_STATE_XRUN) {
} else {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_WARNING, "[ALSA] POLLERR detected. status = %d\n", ((ma_snd_pcm_state_proc)pDevice->pContext->alsa.snd_pcm_state)(pPCM));
}
}
if ((revents & requiredEvent) == requiredEvent) {
break;
}
}
return MA_SUCCESS;
}
static ma_result ma_device_wait_read__alsa(ma_device* pDevice)
{
return ma_device_wait__alsa(pDevice, (ma_snd_pcm_t*)pDevice->alsa.pPCMCapture, (struct pollfd*)pDevice->alsa.pPollDescriptorsCapture, pDevice->alsa.pollDescriptorCountCapture + 1, POLLIN);
}
static ma_result ma_device_wait_write__alsa(ma_device* pDevice)
{
return ma_device_wait__alsa(pDevice, (ma_snd_pcm_t*)pDevice->alsa.pPCMPlayback, (struct pollfd*)pDevice->alsa.pPollDescriptorsPlayback, pDevice->alsa.pollDescriptorCountPlayback + 1, POLLOUT);
}
static ma_result ma_device_read__alsa(ma_device* pDevice, void* pFramesOut, ma_uint32 frameCount, ma_uint32* pFramesRead)
{
ma_snd_pcm_sframes_t resultALSA = 0;
MA_ASSERT(pDevice != NULL);
MA_ASSERT(pFramesOut != NULL);
if (pFramesRead != NULL) {
*pFramesRead = 0;
}
while (ma_device_get_state(pDevice) == ma_device_state_started) {
ma_result result;
result = ma_device_wait_read__alsa(pDevice);
if (result != MA_SUCCESS) {
return result;
}
resultALSA = ((ma_snd_pcm_readi_proc)pDevice->pContext->alsa.snd_pcm_readi)((ma_snd_pcm_t*)pDevice->alsa.pPCMCapture, pFramesOut, frameCount);
if (resultALSA >= 0) {
break;
} else {
if (resultALSA == -EAGAIN) {
continue;
} else if (resultALSA == -EPIPE) {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "EPIPE (read)\n");
resultALSA = ((ma_snd_pcm_recover_proc)pDevice->pContext->alsa.snd_pcm_recover)((ma_snd_pcm_t*)pDevice->alsa.pPCMCapture, resultALSA, MA_TRUE);
if (resultALSA < 0) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[ALSA] Failed to recover device after overrun.");
return ma_result_from_errno((int)-resultALSA);
}
resultALSA = ((ma_snd_pcm_start_proc)pDevice->pContext->alsa.snd_pcm_start)((ma_snd_pcm_t*)pDevice->alsa.pPCMCapture);
if (resultALSA < 0) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[ALSA] Failed to start device after underrun.");
return ma_result_from_errno((int)-resultALSA);
}
continue;
}
}
}
if (pFramesRead != NULL) {
*pFramesRead = resultALSA;
}
return MA_SUCCESS;
}
static ma_result ma_device_write__alsa(ma_device* pDevice, const void* pFrames, ma_uint32 frameCount, ma_uint32* pFramesWritten)
{
ma_snd_pcm_sframes_t resultALSA = 0;
MA_ASSERT(pDevice != NULL);
MA_ASSERT(pFrames != NULL);
if (pFramesWritten != NULL) {
*pFramesWritten = 0;
}
while (ma_device_get_state(pDevice) == ma_device_state_started) {
ma_result result;
result = ma_device_wait_write__alsa(pDevice);
if (result != MA_SUCCESS) {
return result;
}
resultALSA = ((ma_snd_pcm_writei_proc)pDevice->pContext->alsa.snd_pcm_writei)((ma_snd_pcm_t*)pDevice->alsa.pPCMPlayback, pFrames, frameCount);
if (resultALSA >= 0) {
break;
} else {
if (resultALSA == -EAGAIN) {
continue;
} else if (resultALSA == -EPIPE) {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "EPIPE (write)\n");
resultALSA = ((ma_snd_pcm_recover_proc)pDevice->pContext->alsa.snd_pcm_recover)((ma_snd_pcm_t*)pDevice->alsa.pPCMPlayback, resultALSA, MA_TRUE);
if (resultALSA < 0) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[ALSA] Failed to recover device after underrun.");
return ma_result_from_errno((int)-resultALSA);
}
resultALSA = ((ma_snd_pcm_start_proc)pDevice->pContext->alsa.snd_pcm_start)((ma_snd_pcm_t*)pDevice->alsa.pPCMPlayback);
if (resultALSA < 0) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[ALSA] Failed to start device after underrun.");
return ma_result_from_errno((int)-resultALSA);
}
continue;
}
}
}
if (pFramesWritten != NULL) {
*pFramesWritten = resultALSA;
}
return MA_SUCCESS;
}
static ma_result ma_device_data_loop_wakeup__alsa(ma_device* pDevice)
{
ma_uint64 t = 1;
int resultWrite = 0;
MA_ASSERT(pDevice != NULL);
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "[ALSA] Waking up...\n");
if (pDevice->alsa.pPollDescriptorsCapture != NULL) {
resultWrite = write(pDevice->alsa.wakeupfdCapture, &t, sizeof(t));
}
if (pDevice->alsa.pPollDescriptorsPlayback != NULL) {
resultWrite = write(pDevice->alsa.wakeupfdPlayback, &t, sizeof(t));
}
if (resultWrite < 0) {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[ALSA] write() failed.\n");
return ma_result_from_errno(errno);
}
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "[ALSA] Waking up completed successfully.\n");
return MA_SUCCESS;
}
static ma_result ma_context_uninit__alsa(ma_context* pContext)
{
MA_ASSERT(pContext != NULL);
MA_ASSERT(pContext->backend == ma_backend_alsa);
((ma_snd_config_update_free_global_proc)pContext->alsa.snd_config_update_free_global)();
#ifndef MA_NO_RUNTIME_LINKING
ma_dlclose(ma_context_get_log(pContext), pContext->alsa.asoundSO);
#endif
ma_mutex_uninit(&pContext->alsa.internalDeviceEnumLock);
return MA_SUCCESS;
}
static ma_result ma_context_init__alsa(ma_context* pContext, const ma_context_config* pConfig, ma_backend_callbacks* pCallbacks)
{
ma_result result;
#ifndef MA_NO_RUNTIME_LINKING
const char* libasoundNames[] = {
"libasound.so.2",
"libasound.so"
};
size_t i;
for (i = 0; i < ma_countof(libasoundNames); ++i) {
pContext->alsa.asoundSO = ma_dlopen(ma_context_get_log(pContext), libasoundNames[i]);
if (pContext->alsa.asoundSO != NULL) {
break;
}
}
if (pContext->alsa.asoundSO == NULL) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_DEBUG, "[ALSA] Failed to open shared object.\n");
return MA_NO_BACKEND;
}
pContext->alsa.snd_pcm_open = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_open");
pContext->alsa.snd_pcm_close = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_close");
pContext->alsa.snd_pcm_hw_params_sizeof = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_hw_params_sizeof");
pContext->alsa.snd_pcm_hw_params_any = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_hw_params_any");
pContext->alsa.snd_pcm_hw_params_set_format = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_hw_params_set_format");
pContext->alsa.snd_pcm_hw_params_set_format_first = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_hw_params_set_format_first");
pContext->alsa.snd_pcm_hw_params_get_format_mask = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_hw_params_get_format_mask");
pContext->alsa.snd_pcm_hw_params_set_channels = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_hw_params_set_channels");
pContext->alsa.snd_pcm_hw_params_set_channels_near = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_hw_params_set_channels_near");
pContext->alsa.snd_pcm_hw_params_set_channels_minmax = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_hw_params_set_channels_minmax");
pContext->alsa.snd_pcm_hw_params_set_rate_resample = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_hw_params_set_rate_resample");
pContext->alsa.snd_pcm_hw_params_set_rate = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_hw_params_set_rate");
pContext->alsa.snd_pcm_hw_params_set_rate_near = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_hw_params_set_rate_near");
pContext->alsa.snd_pcm_hw_params_set_buffer_size_near = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_hw_params_set_buffer_size_near");
pContext->alsa.snd_pcm_hw_params_set_periods_near = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_hw_params_set_periods_near");
pContext->alsa.snd_pcm_hw_params_set_access = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_hw_params_set_access");
pContext->alsa.snd_pcm_hw_params_get_format = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_hw_params_get_format");
pContext->alsa.snd_pcm_hw_params_get_channels = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_hw_params_get_channels");
pContext->alsa.snd_pcm_hw_params_get_channels_min = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_hw_params_get_channels_min");
pContext->alsa.snd_pcm_hw_params_get_channels_max = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_hw_params_get_channels_max");
pContext->alsa.snd_pcm_hw_params_get_rate = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_hw_params_get_rate");
pContext->alsa.snd_pcm_hw_params_get_rate_min = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_hw_params_get_rate_min");
pContext->alsa.snd_pcm_hw_params_get_rate_max = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_hw_params_get_rate_max");
pContext->alsa.snd_pcm_hw_params_get_buffer_size = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_hw_params_get_buffer_size");
pContext->alsa.snd_pcm_hw_params_get_periods = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_hw_params_get_periods");
pContext->alsa.snd_pcm_hw_params_get_access = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_hw_params_get_access");
pContext->alsa.snd_pcm_hw_params_test_format = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_hw_params_test_format");
pContext->alsa.snd_pcm_hw_params_test_channels = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_hw_params_test_channels");
pContext->alsa.snd_pcm_hw_params_test_rate = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_hw_params_test_rate");
pContext->alsa.snd_pcm_hw_params = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_hw_params");
pContext->alsa.snd_pcm_sw_params_sizeof = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_sw_params_sizeof");
pContext->alsa.snd_pcm_sw_params_current = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_sw_params_current");
pContext->alsa.snd_pcm_sw_params_get_boundary = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_sw_params_get_boundary");
pContext->alsa.snd_pcm_sw_params_set_avail_min = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_sw_params_set_avail_min");
pContext->alsa.snd_pcm_sw_params_set_start_threshold = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_sw_params_set_start_threshold");
pContext->alsa.snd_pcm_sw_params_set_stop_threshold = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_sw_params_set_stop_threshold");
pContext->alsa.snd_pcm_sw_params = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_sw_params");
pContext->alsa.snd_pcm_format_mask_sizeof = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_format_mask_sizeof");
pContext->alsa.snd_pcm_format_mask_test = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_format_mask_test");
pContext->alsa.snd_pcm_get_chmap = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_get_chmap");
pContext->alsa.snd_pcm_state = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_state");
pContext->alsa.snd_pcm_prepare = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_prepare");
pContext->alsa.snd_pcm_start = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_start");
pContext->alsa.snd_pcm_drop = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_drop");
pContext->alsa.snd_pcm_drain = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_drain");
pContext->alsa.snd_pcm_reset = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_reset");
pContext->alsa.snd_device_name_hint = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_device_name_hint");
pContext->alsa.snd_device_name_get_hint = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_device_name_get_hint");
pContext->alsa.snd_card_get_index = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_card_get_index");
pContext->alsa.snd_device_name_free_hint = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_device_name_free_hint");
pContext->alsa.snd_pcm_mmap_begin = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_mmap_begin");
pContext->alsa.snd_pcm_mmap_commit = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_mmap_commit");
pContext->alsa.snd_pcm_recover = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_recover");
pContext->alsa.snd_pcm_readi = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_readi");
pContext->alsa.snd_pcm_writei = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_writei");
pContext->alsa.snd_pcm_avail = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_avail");
pContext->alsa.snd_pcm_avail_update = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_avail_update");
pContext->alsa.snd_pcm_wait = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_wait");
pContext->alsa.snd_pcm_nonblock = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_nonblock");
pContext->alsa.snd_pcm_info = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_info");
pContext->alsa.snd_pcm_info_sizeof = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_info_sizeof");
pContext->alsa.snd_pcm_info_get_name = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_info_get_name");
pContext->alsa.snd_pcm_poll_descriptors = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_poll_descriptors");
pContext->alsa.snd_pcm_poll_descriptors_count = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_poll_descriptors_count");
pContext->alsa.snd_pcm_poll_descriptors_revents = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_pcm_poll_descriptors_revents");
pContext->alsa.snd_config_update_free_global = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->alsa.asoundSO, "snd_config_update_free_global");
#else
ma_snd_pcm_open_proc _snd_pcm_open = snd_pcm_open;
ma_snd_pcm_close_proc _snd_pcm_close = snd_pcm_close;
ma_snd_pcm_hw_params_sizeof_proc _snd_pcm_hw_params_sizeof = snd_pcm_hw_params_sizeof;
ma_snd_pcm_hw_params_any_proc _snd_pcm_hw_params_any = snd_pcm_hw_params_any;
ma_snd_pcm_hw_params_set_format_proc _snd_pcm_hw_params_set_format = snd_pcm_hw_params_set_format;
ma_snd_pcm_hw_params_set_format_first_proc _snd_pcm_hw_params_set_format_first = snd_pcm_hw_params_set_format_first;
ma_snd_pcm_hw_params_get_format_mask_proc _snd_pcm_hw_params_get_format_mask = snd_pcm_hw_params_get_format_mask;
ma_snd_pcm_hw_params_set_channels_proc _snd_pcm_hw_params_set_channels = snd_pcm_hw_params_set_channels;
ma_snd_pcm_hw_params_set_channels_near_proc _snd_pcm_hw_params_set_channels_near = snd_pcm_hw_params_set_channels_near;
ma_snd_pcm_hw_params_set_channels_minmax_proc _snd_pcm_hw_params_set_channels_minmax = snd_pcm_hw_params_set_channels_minmax;
ma_snd_pcm_hw_params_set_rate_resample_proc _snd_pcm_hw_params_set_rate_resample = snd_pcm_hw_params_set_rate_resample;
ma_snd_pcm_hw_params_set_rate_proc _snd_pcm_hw_params_set_rate = snd_pcm_hw_params_set_rate;
ma_snd_pcm_hw_params_set_rate_near_proc _snd_pcm_hw_params_set_rate_near = snd_pcm_hw_params_set_rate_near;
ma_snd_pcm_hw_params_set_rate_minmax_proc _snd_pcm_hw_params_set_rate_minmax = snd_pcm_hw_params_set_rate_minmax;
ma_snd_pcm_hw_params_set_buffer_size_near_proc _snd_pcm_hw_params_set_buffer_size_near = snd_pcm_hw_params_set_buffer_size_near;
ma_snd_pcm_hw_params_set_periods_near_proc _snd_pcm_hw_params_set_periods_near = snd_pcm_hw_params_set_periods_near;
ma_snd_pcm_hw_params_set_access_proc _snd_pcm_hw_params_set_access = snd_pcm_hw_params_set_access;
ma_snd_pcm_hw_params_get_format_proc _snd_pcm_hw_params_get_format = snd_pcm_hw_params_get_format;
ma_snd_pcm_hw_params_get_channels_proc _snd_pcm_hw_params_get_channels = snd_pcm_hw_params_get_channels;
ma_snd_pcm_hw_params_get_channels_min_proc _snd_pcm_hw_params_get_channels_min = snd_pcm_hw_params_get_channels_min;
ma_snd_pcm_hw_params_get_channels_max_proc _snd_pcm_hw_params_get_channels_max = snd_pcm_hw_params_get_channels_max;
ma_snd_pcm_hw_params_get_rate_proc _snd_pcm_hw_params_get_rate = snd_pcm_hw_params_get_rate;
ma_snd_pcm_hw_params_get_rate_min_proc _snd_pcm_hw_params_get_rate_min = snd_pcm_hw_params_get_rate_min;
ma_snd_pcm_hw_params_get_rate_max_proc _snd_pcm_hw_params_get_rate_max = snd_pcm_hw_params_get_rate_max;
ma_snd_pcm_hw_params_get_buffer_size_proc _snd_pcm_hw_params_get_buffer_size = snd_pcm_hw_params_get_buffer_size;
ma_snd_pcm_hw_params_get_periods_proc _snd_pcm_hw_params_get_periods = snd_pcm_hw_params_get_periods;
ma_snd_pcm_hw_params_get_access_proc _snd_pcm_hw_params_get_access = snd_pcm_hw_params_get_access;
ma_snd_pcm_hw_params_test_format_proc _snd_pcm_hw_params_test_format = snd_pcm_hw_params_test_format;
ma_snd_pcm_hw_params_test_channels_proc _snd_pcm_hw_params_test_channels = snd_pcm_hw_params_test_channels;
ma_snd_pcm_hw_params_test_rate_proc _snd_pcm_hw_params_test_rate = snd_pcm_hw_params_test_rate;
ma_snd_pcm_hw_params_proc _snd_pcm_hw_params = snd_pcm_hw_params;
ma_snd_pcm_sw_params_sizeof_proc _snd_pcm_sw_params_sizeof = snd_pcm_sw_params_sizeof;
ma_snd_pcm_sw_params_current_proc _snd_pcm_sw_params_current = snd_pcm_sw_params_current;
ma_snd_pcm_sw_params_get_boundary_proc _snd_pcm_sw_params_get_boundary = snd_pcm_sw_params_get_boundary;
ma_snd_pcm_sw_params_set_avail_min_proc _snd_pcm_sw_params_set_avail_min = snd_pcm_sw_params_set_avail_min;
ma_snd_pcm_sw_params_set_start_threshold_proc _snd_pcm_sw_params_set_start_threshold = snd_pcm_sw_params_set_start_threshold;
ma_snd_pcm_sw_params_set_stop_threshold_proc _snd_pcm_sw_params_set_stop_threshold = snd_pcm_sw_params_set_stop_threshold;
ma_snd_pcm_sw_params_proc _snd_pcm_sw_params = snd_pcm_sw_params;
ma_snd_pcm_format_mask_sizeof_proc _snd_pcm_format_mask_sizeof = snd_pcm_format_mask_sizeof;
ma_snd_pcm_format_mask_test_proc _snd_pcm_format_mask_test = snd_pcm_format_mask_test;
ma_snd_pcm_get_chmap_proc _snd_pcm_get_chmap = snd_pcm_get_chmap;
ma_snd_pcm_state_proc _snd_pcm_state = snd_pcm_state;
ma_snd_pcm_prepare_proc _snd_pcm_prepare = snd_pcm_prepare;
ma_snd_pcm_start_proc _snd_pcm_start = snd_pcm_start;
ma_snd_pcm_drop_proc _snd_pcm_drop = snd_pcm_drop;
ma_snd_pcm_drain_proc _snd_pcm_drain = snd_pcm_drain;
ma_snd_pcm_reset_proc _snd_pcm_reset = snd_pcm_reset;
ma_snd_device_name_hint_proc _snd_device_name_hint = snd_device_name_hint;
ma_snd_device_name_get_hint_proc _snd_device_name_get_hint = snd_device_name_get_hint;
ma_snd_card_get_index_proc _snd_card_get_index = snd_card_get_index;
ma_snd_device_name_free_hint_proc _snd_device_name_free_hint = snd_device_name_free_hint;
ma_snd_pcm_mmap_begin_proc _snd_pcm_mmap_begin = snd_pcm_mmap_begin;
ma_snd_pcm_mmap_commit_proc _snd_pcm_mmap_commit = snd_pcm_mmap_commit;
ma_snd_pcm_recover_proc _snd_pcm_recover = snd_pcm_recover;
ma_snd_pcm_readi_proc _snd_pcm_readi = snd_pcm_readi;
ma_snd_pcm_writei_proc _snd_pcm_writei = snd_pcm_writei;
ma_snd_pcm_avail_proc _snd_pcm_avail = snd_pcm_avail;
ma_snd_pcm_avail_update_proc _snd_pcm_avail_update = snd_pcm_avail_update;
ma_snd_pcm_wait_proc _snd_pcm_wait = snd_pcm_wait;
ma_snd_pcm_nonblock_proc _snd_pcm_nonblock = snd_pcm_nonblock;
ma_snd_pcm_info_proc _snd_pcm_info = snd_pcm_info;
ma_snd_pcm_info_sizeof_proc _snd_pcm_info_sizeof = snd_pcm_info_sizeof;
ma_snd_pcm_info_get_name_proc _snd_pcm_info_get_name = snd_pcm_info_get_name;
ma_snd_pcm_poll_descriptors_proc _snd_pcm_poll_descriptors = snd_pcm_poll_descriptors;
ma_snd_pcm_poll_descriptors_count_proc _snd_pcm_poll_descriptors_count = snd_pcm_poll_descriptors_count;
ma_snd_pcm_poll_descriptors_revents_proc _snd_pcm_poll_descriptors_revents = snd_pcm_poll_descriptors_revents;
ma_snd_config_update_free_global_proc _snd_config_update_free_global = snd_config_update_free_global;
pContext->alsa.snd_pcm_open = (ma_proc)_snd_pcm_open;
pContext->alsa.snd_pcm_close = (ma_proc)_snd_pcm_close;
pContext->alsa.snd_pcm_hw_params_sizeof = (ma_proc)_snd_pcm_hw_params_sizeof;
pContext->alsa.snd_pcm_hw_params_any = (ma_proc)_snd_pcm_hw_params_any;
pContext->alsa.snd_pcm_hw_params_set_format = (ma_proc)_snd_pcm_hw_params_set_format;
pContext->alsa.snd_pcm_hw_params_set_format_first = (ma_proc)_snd_pcm_hw_params_set_format_first;
pContext->alsa.snd_pcm_hw_params_get_format_mask = (ma_proc)_snd_pcm_hw_params_get_format_mask;
pContext->alsa.snd_pcm_hw_params_set_channels = (ma_proc)_snd_pcm_hw_params_set_channels;
pContext->alsa.snd_pcm_hw_params_set_channels_near = (ma_proc)_snd_pcm_hw_params_set_channels_near;
pContext->alsa.snd_pcm_hw_params_set_channels_minmax = (ma_proc)_snd_pcm_hw_params_set_channels_minmax;
pContext->alsa.snd_pcm_hw_params_set_rate_resample = (ma_proc)_snd_pcm_hw_params_set_rate_resample;
pContext->alsa.snd_pcm_hw_params_set_rate = (ma_proc)_snd_pcm_hw_params_set_rate;
pContext->alsa.snd_pcm_hw_params_set_rate_near = (ma_proc)_snd_pcm_hw_params_set_rate_near;
pContext->alsa.snd_pcm_hw_params_set_rate_minmax = (ma_proc)_snd_pcm_hw_params_set_rate_minmax;
pContext->alsa.snd_pcm_hw_params_set_buffer_size_near = (ma_proc)_snd_pcm_hw_params_set_buffer_size_near;
pContext->alsa.snd_pcm_hw_params_set_periods_near = (ma_proc)_snd_pcm_hw_params_set_periods_near;
pContext->alsa.snd_pcm_hw_params_set_access = (ma_proc)_snd_pcm_hw_params_set_access;
pContext->alsa.snd_pcm_hw_params_get_format = (ma_proc)_snd_pcm_hw_params_get_format;
pContext->alsa.snd_pcm_hw_params_get_channels = (ma_proc)_snd_pcm_hw_params_get_channels;
pContext->alsa.snd_pcm_hw_params_get_channels_min = (ma_proc)_snd_pcm_hw_params_get_channels_min;
pContext->alsa.snd_pcm_hw_params_get_channels_max = (ma_proc)_snd_pcm_hw_params_get_channels_max;
pContext->alsa.snd_pcm_hw_params_get_rate = (ma_proc)_snd_pcm_hw_params_get_rate;
pContext->alsa.snd_pcm_hw_params_get_rate_min = (ma_proc)_snd_pcm_hw_params_get_rate_min;
pContext->alsa.snd_pcm_hw_params_get_rate_max = (ma_proc)_snd_pcm_hw_params_get_rate_max;
pContext->alsa.snd_pcm_hw_params_get_buffer_size = (ma_proc)_snd_pcm_hw_params_get_buffer_size;
pContext->alsa.snd_pcm_hw_params_get_periods = (ma_proc)_snd_pcm_hw_params_get_periods;
pContext->alsa.snd_pcm_hw_params_get_access = (ma_proc)_snd_pcm_hw_params_get_access;
pContext->alsa.snd_pcm_hw_params_test_format = (ma_proc)_snd_pcm_hw_params_test_format;
pContext->alsa.snd_pcm_hw_params_test_channels = (ma_proc)_snd_pcm_hw_params_test_channels;
pContext->alsa.snd_pcm_hw_params_test_rate = (ma_proc)_snd_pcm_hw_params_test_rate;
pContext->alsa.snd_pcm_hw_params = (ma_proc)_snd_pcm_hw_params;
pContext->alsa.snd_pcm_sw_params_sizeof = (ma_proc)_snd_pcm_sw_params_sizeof;
pContext->alsa.snd_pcm_sw_params_current = (ma_proc)_snd_pcm_sw_params_current;
pContext->alsa.snd_pcm_sw_params_get_boundary = (ma_proc)_snd_pcm_sw_params_get_boundary;
pContext->alsa.snd_pcm_sw_params_set_avail_min = (ma_proc)_snd_pcm_sw_params_set_avail_min;
pContext->alsa.snd_pcm_sw_params_set_start_threshold = (ma_proc)_snd_pcm_sw_params_set_start_threshold;
pContext->alsa.snd_pcm_sw_params_set_stop_threshold = (ma_proc)_snd_pcm_sw_params_set_stop_threshold;
pContext->alsa.snd_pcm_sw_params = (ma_proc)_snd_pcm_sw_params;
pContext->alsa.snd_pcm_format_mask_sizeof = (ma_proc)_snd_pcm_format_mask_sizeof;
pContext->alsa.snd_pcm_format_mask_test = (ma_proc)_snd_pcm_format_mask_test;
pContext->alsa.snd_pcm_get_chmap = (ma_proc)_snd_pcm_get_chmap;
pContext->alsa.snd_pcm_state = (ma_proc)_snd_pcm_state;
pContext->alsa.snd_pcm_prepare = (ma_proc)_snd_pcm_prepare;
pContext->alsa.snd_pcm_start = (ma_proc)_snd_pcm_start;
pContext->alsa.snd_pcm_drop = (ma_proc)_snd_pcm_drop;
pContext->alsa.snd_pcm_drain = (ma_proc)_snd_pcm_drain;
pContext->alsa.snd_pcm_reset = (ma_proc)_snd_pcm_reset;
pContext->alsa.snd_device_name_hint = (ma_proc)_snd_device_name_hint;
pContext->alsa.snd_device_name_get_hint = (ma_proc)_snd_device_name_get_hint;
pContext->alsa.snd_card_get_index = (ma_proc)_snd_card_get_index;
pContext->alsa.snd_device_name_free_hint = (ma_proc)_snd_device_name_free_hint;
pContext->alsa.snd_pcm_mmap_begin = (ma_proc)_snd_pcm_mmap_begin;
pContext->alsa.snd_pcm_mmap_commit = (ma_proc)_snd_pcm_mmap_commit;
pContext->alsa.snd_pcm_recover = (ma_proc)_snd_pcm_recover;
pContext->alsa.snd_pcm_readi = (ma_proc)_snd_pcm_readi;
pContext->alsa.snd_pcm_writei = (ma_proc)_snd_pcm_writei;
pContext->alsa.snd_pcm_avail = (ma_proc)_snd_pcm_avail;
pContext->alsa.snd_pcm_avail_update = (ma_proc)_snd_pcm_avail_update;
pContext->alsa.snd_pcm_wait = (ma_proc)_snd_pcm_wait;
pContext->alsa.snd_pcm_nonblock = (ma_proc)_snd_pcm_nonblock;
pContext->alsa.snd_pcm_info = (ma_proc)_snd_pcm_info;
pContext->alsa.snd_pcm_info_sizeof = (ma_proc)_snd_pcm_info_sizeof;
pContext->alsa.snd_pcm_info_get_name = (ma_proc)_snd_pcm_info_get_name;
pContext->alsa.snd_pcm_poll_descriptors = (ma_proc)_snd_pcm_poll_descriptors;
pContext->alsa.snd_pcm_poll_descriptors_count = (ma_proc)_snd_pcm_poll_descriptors_count;
pContext->alsa.snd_pcm_poll_descriptors_revents = (ma_proc)_snd_pcm_poll_descriptors_revents;
pContext->alsa.snd_config_update_free_global = (ma_proc)_snd_config_update_free_global;
#endif
pContext->alsa.useVerboseDeviceEnumeration = pConfig->alsa.useVerboseDeviceEnumeration;
result = ma_mutex_init(&pContext->alsa.internalDeviceEnumLock);
if (result != MA_SUCCESS) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[ALSA] WARNING: Failed to initialize mutex for internal device enumeration.");
return result;
}
pCallbacks->onContextInit = ma_context_init__alsa;
pCallbacks->onContextUninit = ma_context_uninit__alsa;
pCallbacks->onContextEnumerateDevices = ma_context_enumerate_devices__alsa;
pCallbacks->onContextGetDeviceInfo = ma_context_get_device_info__alsa;
pCallbacks->onDeviceInit = ma_device_init__alsa;
pCallbacks->onDeviceUninit = ma_device_uninit__alsa;
pCallbacks->onDeviceStart = ma_device_start__alsa;
pCallbacks->onDeviceStop = ma_device_stop__alsa;
pCallbacks->onDeviceRead = ma_device_read__alsa;
pCallbacks->onDeviceWrite = ma_device_write__alsa;
pCallbacks->onDeviceDataLoop = NULL;
pCallbacks->onDeviceDataLoopWakeup = ma_device_data_loop_wakeup__alsa;
return MA_SUCCESS;
}
#endif
#ifdef MA_HAS_PULSEAUDIO
#ifdef MA_NO_RUNTIME_LINKING
#if !defined(__cplusplus)
#if defined(__STRICT_ANSI__)
#if !defined(inline)
#define inline __inline__ __attribute__((always_inline))
#define MA_INLINE_DEFINED
#endif
#endif
#endif
#include <pulse/pulseaudio.h>
#if defined(MA_INLINE_DEFINED)
#undef inline
#undef MA_INLINE_DEFINED
#endif
#define MA_PA_OK PA_OK
#define MA_PA_ERR_ACCESS PA_ERR_ACCESS
#define MA_PA_ERR_INVALID PA_ERR_INVALID
#define MA_PA_ERR_NOENTITY PA_ERR_NOENTITY
#define MA_PA_ERR_NOTSUPPORTED PA_ERR_NOTSUPPORTED
#define MA_PA_CHANNELS_MAX PA_CHANNELS_MAX
#define MA_PA_RATE_MAX PA_RATE_MAX
typedef pa_context_flags_t ma_pa_context_flags_t;
#define MA_PA_CONTEXT_NOFLAGS PA_CONTEXT_NOFLAGS
#define MA_PA_CONTEXT_NOAUTOSPAWN PA_CONTEXT_NOAUTOSPAWN
#define MA_PA_CONTEXT_NOFAIL PA_CONTEXT_NOFAIL
typedef pa_stream_flags_t ma_pa_stream_flags_t;
#define MA_PA_STREAM_NOFLAGS PA_STREAM_NOFLAGS
#define MA_PA_STREAM_START_CORKED PA_STREAM_START_CORKED
#define MA_PA_STREAM_INTERPOLATE_TIMING PA_STREAM_INTERPOLATE_TIMING
#define MA_PA_STREAM_NOT_MONOTONIC PA_STREAM_NOT_MONOTONIC
#define MA_PA_STREAM_AUTO_TIMING_UPDATE PA_STREAM_AUTO_TIMING_UPDATE
#define MA_PA_STREAM_NO_REMAP_CHANNELS PA_STREAM_NO_REMAP_CHANNELS
#define MA_PA_STREAM_NO_REMIX_CHANNELS PA_STREAM_NO_REMIX_CHANNELS
#define MA_PA_STREAM_FIX_FORMAT PA_STREAM_FIX_FORMAT
#define MA_PA_STREAM_FIX_RATE PA_STREAM_FIX_RATE
#define MA_PA_STREAM_FIX_CHANNELS PA_STREAM_FIX_CHANNELS
#define MA_PA_STREAM_DONT_MOVE PA_STREAM_DONT_MOVE
#define MA_PA_STREAM_VARIABLE_RATE PA_STREAM_VARIABLE_RATE
#define MA_PA_STREAM_PEAK_DETECT PA_STREAM_PEAK_DETECT
#define MA_PA_STREAM_START_MUTED PA_STREAM_START_MUTED
#define MA_PA_STREAM_ADJUST_LATENCY PA_STREAM_ADJUST_LATENCY
#define MA_PA_STREAM_EARLY_REQUESTS PA_STREAM_EARLY_REQUESTS
#define MA_PA_STREAM_DONT_INHIBIT_AUTO_SUSPEND PA_STREAM_DONT_INHIBIT_AUTO_SUSPEND
#define MA_PA_STREAM_START_UNMUTED PA_STREAM_START_UNMUTED
#define MA_PA_STREAM_FAIL_ON_SUSPEND PA_STREAM_FAIL_ON_SUSPEND
#define MA_PA_STREAM_RELATIVE_VOLUME PA_STREAM_RELATIVE_VOLUME
#define MA_PA_STREAM_PASSTHROUGH PA_STREAM_PASSTHROUGH
typedef pa_sink_flags_t ma_pa_sink_flags_t;
#define MA_PA_SINK_NOFLAGS PA_SINK_NOFLAGS
#define MA_PA_SINK_HW_VOLUME_CTRL PA_SINK_HW_VOLUME_CTRL
#define MA_PA_SINK_LATENCY PA_SINK_LATENCY
#define MA_PA_SINK_HARDWARE PA_SINK_HARDWARE
#define MA_PA_SINK_NETWORK PA_SINK_NETWORK
#define MA_PA_SINK_HW_MUTE_CTRL PA_SINK_HW_MUTE_CTRL
#define MA_PA_SINK_DECIBEL_VOLUME PA_SINK_DECIBEL_VOLUME
#define MA_PA_SINK_FLAT_VOLUME PA_SINK_FLAT_VOLUME
#define MA_PA_SINK_DYNAMIC_LATENCY PA_SINK_DYNAMIC_LATENCY
#define MA_PA_SINK_SET_FORMATS PA_SINK_SET_FORMATS
typedef pa_source_flags_t ma_pa_source_flags_t;
#define MA_PA_SOURCE_NOFLAGS PA_SOURCE_NOFLAGS
#define MA_PA_SOURCE_HW_VOLUME_CTRL PA_SOURCE_HW_VOLUME_CTRL
#define MA_PA_SOURCE_LATENCY PA_SOURCE_LATENCY
#define MA_PA_SOURCE_HARDWARE PA_SOURCE_HARDWARE
#define MA_PA_SOURCE_NETWORK PA_SOURCE_NETWORK
#define MA_PA_SOURCE_HW_MUTE_CTRL PA_SOURCE_HW_MUTE_CTRL
#define MA_PA_SOURCE_DECIBEL_VOLUME PA_SOURCE_DECIBEL_VOLUME
#define MA_PA_SOURCE_DYNAMIC_LATENCY PA_SOURCE_DYNAMIC_LATENCY
#define MA_PA_SOURCE_FLAT_VOLUME PA_SOURCE_FLAT_VOLUME
typedef pa_context_state_t ma_pa_context_state_t;
#define MA_PA_CONTEXT_UNCONNECTED PA_CONTEXT_UNCONNECTED
#define MA_PA_CONTEXT_CONNECTING PA_CONTEXT_CONNECTING
#define MA_PA_CONTEXT_AUTHORIZING PA_CONTEXT_AUTHORIZING
#define MA_PA_CONTEXT_SETTING_NAME PA_CONTEXT_SETTING_NAME
#define MA_PA_CONTEXT_READY PA_CONTEXT_READY
#define MA_PA_CONTEXT_FAILED PA_CONTEXT_FAILED
#define MA_PA_CONTEXT_TERMINATED PA_CONTEXT_TERMINATED
typedef pa_stream_state_t ma_pa_stream_state_t;
#define MA_PA_STREAM_UNCONNECTED PA_STREAM_UNCONNECTED
#define MA_PA_STREAM_CREATING PA_STREAM_CREATING
#define MA_PA_STREAM_READY PA_STREAM_READY
#define MA_PA_STREAM_FAILED PA_STREAM_FAILED
#define MA_PA_STREAM_TERMINATED PA_STREAM_TERMINATED
typedef pa_operation_state_t ma_pa_operation_state_t;
#define MA_PA_OPERATION_RUNNING PA_OPERATION_RUNNING
#define MA_PA_OPERATION_DONE PA_OPERATION_DONE
#define MA_PA_OPERATION_CANCELLED PA_OPERATION_CANCELLED
typedef pa_sink_state_t ma_pa_sink_state_t;
#define MA_PA_SINK_INVALID_STATE PA_SINK_INVALID_STATE
#define MA_PA_SINK_RUNNING PA_SINK_RUNNING
#define MA_PA_SINK_IDLE PA_SINK_IDLE
#define MA_PA_SINK_SUSPENDED PA_SINK_SUSPENDED
typedef pa_source_state_t ma_pa_source_state_t;
#define MA_PA_SOURCE_INVALID_STATE PA_SOURCE_INVALID_STATE
#define MA_PA_SOURCE_RUNNING PA_SOURCE_RUNNING
#define MA_PA_SOURCE_IDLE PA_SOURCE_IDLE
#define MA_PA_SOURCE_SUSPENDED PA_SOURCE_SUSPENDED
typedef pa_seek_mode_t ma_pa_seek_mode_t;
#define MA_PA_SEEK_RELATIVE PA_SEEK_RELATIVE
#define MA_PA_SEEK_ABSOLUTE PA_SEEK_ABSOLUTE
#define MA_PA_SEEK_RELATIVE_ON_READ PA_SEEK_RELATIVE_ON_READ
#define MA_PA_SEEK_RELATIVE_END PA_SEEK_RELATIVE_END
typedef pa_channel_position_t ma_pa_channel_position_t;
#define MA_PA_CHANNEL_POSITION_INVALID PA_CHANNEL_POSITION_INVALID
#define MA_PA_CHANNEL_POSITION_MONO PA_CHANNEL_POSITION_MONO
#define MA_PA_CHANNEL_POSITION_FRONT_LEFT PA_CHANNEL_POSITION_FRONT_LEFT
#define MA_PA_CHANNEL_POSITION_FRONT_RIGHT PA_CHANNEL_POSITION_FRONT_RIGHT
#define MA_PA_CHANNEL_POSITION_FRONT_CENTER PA_CHANNEL_POSITION_FRONT_CENTER
#define MA_PA_CHANNEL_POSITION_REAR_CENTER PA_CHANNEL_POSITION_REAR_CENTER
#define MA_PA_CHANNEL_POSITION_REAR_LEFT PA_CHANNEL_POSITION_REAR_LEFT
#define MA_PA_CHANNEL_POSITION_REAR_RIGHT PA_CHANNEL_POSITION_REAR_RIGHT
#define MA_PA_CHANNEL_POSITION_LFE PA_CHANNEL_POSITION_LFE
#define MA_PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER
#define MA_PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER
#define MA_PA_CHANNEL_POSITION_SIDE_LEFT PA_CHANNEL_POSITION_SIDE_LEFT
#define MA_PA_CHANNEL_POSITION_SIDE_RIGHT PA_CHANNEL_POSITION_SIDE_RIGHT
#define MA_PA_CHANNEL_POSITION_AUX0 PA_CHANNEL_POSITION_AUX0
#define MA_PA_CHANNEL_POSITION_AUX1 PA_CHANNEL_POSITION_AUX1
#define MA_PA_CHANNEL_POSITION_AUX2 PA_CHANNEL_POSITION_AUX2
#define MA_PA_CHANNEL_POSITION_AUX3 PA_CHANNEL_POSITION_AUX3
#define MA_PA_CHANNEL_POSITION_AUX4 PA_CHANNEL_POSITION_AUX4
#define MA_PA_CHANNEL_POSITION_AUX5 PA_CHANNEL_POSITION_AUX5
#define MA_PA_CHANNEL_POSITION_AUX6 PA_CHANNEL_POSITION_AUX6
#define MA_PA_CHANNEL_POSITION_AUX7 PA_CHANNEL_POSITION_AUX7
#define MA_PA_CHANNEL_POSITION_AUX8 PA_CHANNEL_POSITION_AUX8
#define MA_PA_CHANNEL_POSITION_AUX9 PA_CHANNEL_POSITION_AUX9
#define MA_PA_CHANNEL_POSITION_AUX10 PA_CHANNEL_POSITION_AUX10
#define MA_PA_CHANNEL_POSITION_AUX11 PA_CHANNEL_POSITION_AUX11
#define MA_PA_CHANNEL_POSITION_AUX12 PA_CHANNEL_POSITION_AUX12
#define MA_PA_CHANNEL_POSITION_AUX13 PA_CHANNEL_POSITION_AUX13
#define MA_PA_CHANNEL_POSITION_AUX14 PA_CHANNEL_POSITION_AUX14
#define MA_PA_CHANNEL_POSITION_AUX15 PA_CHANNEL_POSITION_AUX15
#define MA_PA_CHANNEL_POSITION_AUX16 PA_CHANNEL_POSITION_AUX16
#define MA_PA_CHANNEL_POSITION_AUX17 PA_CHANNEL_POSITION_AUX17
#define MA_PA_CHANNEL_POSITION_AUX18 PA_CHANNEL_POSITION_AUX18
#define MA_PA_CHANNEL_POSITION_AUX19 PA_CHANNEL_POSITION_AUX19
#define MA_PA_CHANNEL_POSITION_AUX20 PA_CHANNEL_POSITION_AUX20
#define MA_PA_CHANNEL_POSITION_AUX21 PA_CHANNEL_POSITION_AUX21
#define MA_PA_CHANNEL_POSITION_AUX22 PA_CHANNEL_POSITION_AUX22
#define MA_PA_CHANNEL_POSITION_AUX23 PA_CHANNEL_POSITION_AUX23
#define MA_PA_CHANNEL_POSITION_AUX24 PA_CHANNEL_POSITION_AUX24
#define MA_PA_CHANNEL_POSITION_AUX25 PA_CHANNEL_POSITION_AUX25
#define MA_PA_CHANNEL_POSITION_AUX26 PA_CHANNEL_POSITION_AUX26
#define MA_PA_CHANNEL_POSITION_AUX27 PA_CHANNEL_POSITION_AUX27
#define MA_PA_CHANNEL_POSITION_AUX28 PA_CHANNEL_POSITION_AUX28
#define MA_PA_CHANNEL_POSITION_AUX29 PA_CHANNEL_POSITION_AUX29
#define MA_PA_CHANNEL_POSITION_AUX30 PA_CHANNEL_POSITION_AUX30
#define MA_PA_CHANNEL_POSITION_AUX31 PA_CHANNEL_POSITION_AUX31
#define MA_PA_CHANNEL_POSITION_TOP_CENTER PA_CHANNEL_POSITION_TOP_CENTER
#define MA_PA_CHANNEL_POSITION_TOP_FRONT_LEFT PA_CHANNEL_POSITION_TOP_FRONT_LEFT
#define MA_PA_CHANNEL_POSITION_TOP_FRONT_RIGHT PA_CHANNEL_POSITION_TOP_FRONT_RIGHT
#define MA_PA_CHANNEL_POSITION_TOP_FRONT_CENTER PA_CHANNEL_POSITION_TOP_FRONT_CENTER
#define MA_PA_CHANNEL_POSITION_TOP_REAR_LEFT PA_CHANNEL_POSITION_TOP_REAR_LEFT
#define MA_PA_CHANNEL_POSITION_TOP_REAR_RIGHT PA_CHANNEL_POSITION_TOP_REAR_RIGHT
#define MA_PA_CHANNEL_POSITION_TOP_REAR_CENTER PA_CHANNEL_POSITION_TOP_REAR_CENTER
#define MA_PA_CHANNEL_POSITION_LEFT PA_CHANNEL_POSITION_LEFT
#define MA_PA_CHANNEL_POSITION_RIGHT PA_CHANNEL_POSITION_RIGHT
#define MA_PA_CHANNEL_POSITION_CENTER PA_CHANNEL_POSITION_CENTER
#define MA_PA_CHANNEL_POSITION_SUBWOOFER PA_CHANNEL_POSITION_SUBWOOFER
typedef pa_channel_map_def_t ma_pa_channel_map_def_t;
#define MA_PA_CHANNEL_MAP_AIFF PA_CHANNEL_MAP_AIFF
#define MA_PA_CHANNEL_MAP_ALSA PA_CHANNEL_MAP_ALSA
#define MA_PA_CHANNEL_MAP_AUX PA_CHANNEL_MAP_AUX
#define MA_PA_CHANNEL_MAP_WAVEEX PA_CHANNEL_MAP_WAVEEX
#define MA_PA_CHANNEL_MAP_OSS PA_CHANNEL_MAP_OSS
#define MA_PA_CHANNEL_MAP_DEFAULT PA_CHANNEL_MAP_DEFAULT
typedef pa_sample_format_t ma_pa_sample_format_t;
#define MA_PA_SAMPLE_INVALID PA_SAMPLE_INVALID
#define MA_PA_SAMPLE_U8 PA_SAMPLE_U8
#define MA_PA_SAMPLE_ALAW PA_SAMPLE_ALAW
#define MA_PA_SAMPLE_ULAW PA_SAMPLE_ULAW
#define MA_PA_SAMPLE_S16LE PA_SAMPLE_S16LE
#define MA_PA_SAMPLE_S16BE PA_SAMPLE_S16BE
#define MA_PA_SAMPLE_FLOAT32LE PA_SAMPLE_FLOAT32LE
#define MA_PA_SAMPLE_FLOAT32BE PA_SAMPLE_FLOAT32BE
#define MA_PA_SAMPLE_S32LE PA_SAMPLE_S32LE
#define MA_PA_SAMPLE_S32BE PA_SAMPLE_S32BE
#define MA_PA_SAMPLE_S24LE PA_SAMPLE_S24LE
#define MA_PA_SAMPLE_S24BE PA_SAMPLE_S24BE
#define MA_PA_SAMPLE_S24_32LE PA_SAMPLE_S24_32LE
#define MA_PA_SAMPLE_S24_32BE PA_SAMPLE_S24_32BE
typedef pa_mainloop ma_pa_mainloop;
typedef pa_threaded_mainloop ma_pa_threaded_mainloop;
typedef pa_mainloop_api ma_pa_mainloop_api;
typedef pa_context ma_pa_context;
typedef pa_operation ma_pa_operation;
typedef pa_stream ma_pa_stream;
typedef pa_spawn_api ma_pa_spawn_api;
typedef pa_buffer_attr ma_pa_buffer_attr;
typedef pa_channel_map ma_pa_channel_map;
typedef pa_cvolume ma_pa_cvolume;
typedef pa_sample_spec ma_pa_sample_spec;
typedef pa_sink_info ma_pa_sink_info;
typedef pa_source_info ma_pa_source_info;
typedef pa_context_notify_cb_t ma_pa_context_notify_cb_t;
typedef pa_sink_info_cb_t ma_pa_sink_info_cb_t;
typedef pa_source_info_cb_t ma_pa_source_info_cb_t;
typedef pa_stream_success_cb_t ma_pa_stream_success_cb_t;
typedef pa_stream_request_cb_t ma_pa_stream_request_cb_t;
typedef pa_stream_notify_cb_t ma_pa_stream_notify_cb_t;
typedef pa_free_cb_t ma_pa_free_cb_t;
#else
#define MA_PA_OK 0
#define MA_PA_ERR_ACCESS 1
#define MA_PA_ERR_INVALID 2
#define MA_PA_ERR_NOENTITY 5
#define MA_PA_ERR_NOTSUPPORTED 19
#define MA_PA_CHANNELS_MAX 32
#define MA_PA_RATE_MAX 384000
typedef int ma_pa_context_flags_t;
#define MA_PA_CONTEXT_NOFLAGS 0x00000000
#define MA_PA_CONTEXT_NOAUTOSPAWN 0x00000001
#define MA_PA_CONTEXT_NOFAIL 0x00000002
typedef int ma_pa_stream_flags_t;
#define MA_PA_STREAM_NOFLAGS 0x00000000
#define MA_PA_STREAM_START_CORKED 0x00000001
#define MA_PA_STREAM_INTERPOLATE_TIMING 0x00000002
#define MA_PA_STREAM_NOT_MONOTONIC 0x00000004
#define MA_PA_STREAM_AUTO_TIMING_UPDATE 0x00000008
#define MA_PA_STREAM_NO_REMAP_CHANNELS 0x00000010
#define MA_PA_STREAM_NO_REMIX_CHANNELS 0x00000020
#define MA_PA_STREAM_FIX_FORMAT 0x00000040
#define MA_PA_STREAM_FIX_RATE 0x00000080
#define MA_PA_STREAM_FIX_CHANNELS 0x00000100
#define MA_PA_STREAM_DONT_MOVE 0x00000200
#define MA_PA_STREAM_VARIABLE_RATE 0x00000400
#define MA_PA_STREAM_PEAK_DETECT 0x00000800
#define MA_PA_STREAM_START_MUTED 0x00001000
#define MA_PA_STREAM_ADJUST_LATENCY 0x00002000
#define MA_PA_STREAM_EARLY_REQUESTS 0x00004000
#define MA_PA_STREAM_DONT_INHIBIT_AUTO_SUSPEND 0x00008000
#define MA_PA_STREAM_START_UNMUTED 0x00010000
#define MA_PA_STREAM_FAIL_ON_SUSPEND 0x00020000
#define MA_PA_STREAM_RELATIVE_VOLUME 0x00040000
#define MA_PA_STREAM_PASSTHROUGH 0x00080000
typedef int ma_pa_sink_flags_t;
#define MA_PA_SINK_NOFLAGS 0x00000000
#define MA_PA_SINK_HW_VOLUME_CTRL 0x00000001
#define MA_PA_SINK_LATENCY 0x00000002
#define MA_PA_SINK_HARDWARE 0x00000004
#define MA_PA_SINK_NETWORK 0x00000008
#define MA_PA_SINK_HW_MUTE_CTRL 0x00000010
#define MA_PA_SINK_DECIBEL_VOLUME 0x00000020
#define MA_PA_SINK_FLAT_VOLUME 0x00000040
#define MA_PA_SINK_DYNAMIC_LATENCY 0x00000080
#define MA_PA_SINK_SET_FORMATS 0x00000100
typedef int ma_pa_source_flags_t;
#define MA_PA_SOURCE_NOFLAGS 0x00000000
#define MA_PA_SOURCE_HW_VOLUME_CTRL 0x00000001
#define MA_PA_SOURCE_LATENCY 0x00000002
#define MA_PA_SOURCE_HARDWARE 0x00000004
#define MA_PA_SOURCE_NETWORK 0x00000008
#define MA_PA_SOURCE_HW_MUTE_CTRL 0x00000010
#define MA_PA_SOURCE_DECIBEL_VOLUME 0x00000020
#define MA_PA_SOURCE_DYNAMIC_LATENCY 0x00000040
#define MA_PA_SOURCE_FLAT_VOLUME 0x00000080
typedef int ma_pa_context_state_t;
#define MA_PA_CONTEXT_UNCONNECTED 0
#define MA_PA_CONTEXT_CONNECTING 1
#define MA_PA_CONTEXT_AUTHORIZING 2
#define MA_PA_CONTEXT_SETTING_NAME 3
#define MA_PA_CONTEXT_READY 4
#define MA_PA_CONTEXT_FAILED 5
#define MA_PA_CONTEXT_TERMINATED 6
typedef int ma_pa_stream_state_t;
#define MA_PA_STREAM_UNCONNECTED 0
#define MA_PA_STREAM_CREATING 1
#define MA_PA_STREAM_READY 2
#define MA_PA_STREAM_FAILED 3
#define MA_PA_STREAM_TERMINATED 4
typedef int ma_pa_operation_state_t;
#define MA_PA_OPERATION_RUNNING 0
#define MA_PA_OPERATION_DONE 1
#define MA_PA_OPERATION_CANCELLED 2
typedef int ma_pa_sink_state_t;
#define MA_PA_SINK_INVALID_STATE -1
#define MA_PA_SINK_RUNNING 0
#define MA_PA_SINK_IDLE 1
#define MA_PA_SINK_SUSPENDED 2
typedef int ma_pa_source_state_t;
#define MA_PA_SOURCE_INVALID_STATE -1
#define MA_PA_SOURCE_RUNNING 0
#define MA_PA_SOURCE_IDLE 1
#define MA_PA_SOURCE_SUSPENDED 2
typedef int ma_pa_seek_mode_t;
#define MA_PA_SEEK_RELATIVE 0
#define MA_PA_SEEK_ABSOLUTE 1
#define MA_PA_SEEK_RELATIVE_ON_READ 2
#define MA_PA_SEEK_RELATIVE_END 3
typedef int ma_pa_channel_position_t;
#define MA_PA_CHANNEL_POSITION_INVALID -1
#define MA_PA_CHANNEL_POSITION_MONO 0
#define MA_PA_CHANNEL_POSITION_FRONT_LEFT 1
#define MA_PA_CHANNEL_POSITION_FRONT_RIGHT 2
#define MA_PA_CHANNEL_POSITION_FRONT_CENTER 3
#define MA_PA_CHANNEL_POSITION_REAR_CENTER 4
#define MA_PA_CHANNEL_POSITION_REAR_LEFT 5
#define MA_PA_CHANNEL_POSITION_REAR_RIGHT 6
#define MA_PA_CHANNEL_POSITION_LFE 7
#define MA_PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER 8
#define MA_PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER 9
#define MA_PA_CHANNEL_POSITION_SIDE_LEFT 10
#define MA_PA_CHANNEL_POSITION_SIDE_RIGHT 11
#define MA_PA_CHANNEL_POSITION_AUX0 12
#define MA_PA_CHANNEL_POSITION_AUX1 13
#define MA_PA_CHANNEL_POSITION_AUX2 14
#define MA_PA_CHANNEL_POSITION_AUX3 15
#define MA_PA_CHANNEL_POSITION_AUX4 16
#define MA_PA_CHANNEL_POSITION_AUX5 17
#define MA_PA_CHANNEL_POSITION_AUX6 18
#define MA_PA_CHANNEL_POSITION_AUX7 19
#define MA_PA_CHANNEL_POSITION_AUX8 20
#define MA_PA_CHANNEL_POSITION_AUX9 21
#define MA_PA_CHANNEL_POSITION_AUX10 22
#define MA_PA_CHANNEL_POSITION_AUX11 23
#define MA_PA_CHANNEL_POSITION_AUX12 24
#define MA_PA_CHANNEL_POSITION_AUX13 25
#define MA_PA_CHANNEL_POSITION_AUX14 26
#define MA_PA_CHANNEL_POSITION_AUX15 27
#define MA_PA_CHANNEL_POSITION_AUX16 28
#define MA_PA_CHANNEL_POSITION_AUX17 29
#define MA_PA_CHANNEL_POSITION_AUX18 30
#define MA_PA_CHANNEL_POSITION_AUX19 31
#define MA_PA_CHANNEL_POSITION_AUX20 32
#define MA_PA_CHANNEL_POSITION_AUX21 33
#define MA_PA_CHANNEL_POSITION_AUX22 34
#define MA_PA_CHANNEL_POSITION_AUX23 35
#define MA_PA_CHANNEL_POSITION_AUX24 36
#define MA_PA_CHANNEL_POSITION_AUX25 37
#define MA_PA_CHANNEL_POSITION_AUX26 38
#define MA_PA_CHANNEL_POSITION_AUX27 39
#define MA_PA_CHANNEL_POSITION_AUX28 40
#define MA_PA_CHANNEL_POSITION_AUX29 41
#define MA_PA_CHANNEL_POSITION_AUX30 42
#define MA_PA_CHANNEL_POSITION_AUX31 43
#define MA_PA_CHANNEL_POSITION_TOP_CENTER 44
#define MA_PA_CHANNEL_POSITION_TOP_FRONT_LEFT 45
#define MA_PA_CHANNEL_POSITION_TOP_FRONT_RIGHT 46
#define MA_PA_CHANNEL_POSITION_TOP_FRONT_CENTER 47
#define MA_PA_CHANNEL_POSITION_TOP_REAR_LEFT 48
#define MA_PA_CHANNEL_POSITION_TOP_REAR_RIGHT 49
#define MA_PA_CHANNEL_POSITION_TOP_REAR_CENTER 50
#define MA_PA_CHANNEL_POSITION_LEFT MA_PA_CHANNEL_POSITION_FRONT_LEFT
#define MA_PA_CHANNEL_POSITION_RIGHT MA_PA_CHANNEL_POSITION_FRONT_RIGHT
#define MA_PA_CHANNEL_POSITION_CENTER MA_PA_CHANNEL_POSITION_FRONT_CENTER
#define MA_PA_CHANNEL_POSITION_SUBWOOFER MA_PA_CHANNEL_POSITION_LFE
typedef int ma_pa_channel_map_def_t;
#define MA_PA_CHANNEL_MAP_AIFF 0
#define MA_PA_CHANNEL_MAP_ALSA 1
#define MA_PA_CHANNEL_MAP_AUX 2
#define MA_PA_CHANNEL_MAP_WAVEEX 3
#define MA_PA_CHANNEL_MAP_OSS 4
#define MA_PA_CHANNEL_MAP_DEFAULT MA_PA_CHANNEL_MAP_AIFF
typedef int ma_pa_sample_format_t;
#define MA_PA_SAMPLE_INVALID -1
#define MA_PA_SAMPLE_U8 0
#define MA_PA_SAMPLE_ALAW 1
#define MA_PA_SAMPLE_ULAW 2
#define MA_PA_SAMPLE_S16LE 3
#define MA_PA_SAMPLE_S16BE 4
#define MA_PA_SAMPLE_FLOAT32LE 5
#define MA_PA_SAMPLE_FLOAT32BE 6
#define MA_PA_SAMPLE_S32LE 7
#define MA_PA_SAMPLE_S32BE 8
#define MA_PA_SAMPLE_S24LE 9
#define MA_PA_SAMPLE_S24BE 10
#define MA_PA_SAMPLE_S24_32LE 11
#define MA_PA_SAMPLE_S24_32BE 12
typedef struct ma_pa_mainloop ma_pa_mainloop;
typedef struct ma_pa_threaded_mainloop ma_pa_threaded_mainloop;
typedef struct ma_pa_mainloop_api ma_pa_mainloop_api;
typedef struct ma_pa_context ma_pa_context;
typedef struct ma_pa_operation ma_pa_operation;
typedef struct ma_pa_stream ma_pa_stream;
typedef struct ma_pa_spawn_api ma_pa_spawn_api;
typedef struct
{
ma_uint32 maxlength;
ma_uint32 tlength;
ma_uint32 prebuf;
ma_uint32 minreq;
ma_uint32 fragsize;
} ma_pa_buffer_attr;
typedef struct
{
ma_uint8 channels;
ma_pa_channel_position_t map[MA_PA_CHANNELS_MAX];
} ma_pa_channel_map;
typedef struct
{
ma_uint8 channels;
ma_uint32 values[MA_PA_CHANNELS_MAX];
} ma_pa_cvolume;
typedef struct
{
ma_pa_sample_format_t format;
ma_uint32 rate;
ma_uint8 channels;
} ma_pa_sample_spec;
typedef struct
{
const char* name;
ma_uint32 index;
const char* description;
ma_pa_sample_spec sample_spec;
ma_pa_channel_map channel_map;
ma_uint32 owner_module;
ma_pa_cvolume volume;
int mute;
ma_uint32 monitor_source;
const char* monitor_source_name;
ma_uint64 latency;
const char* driver;
ma_pa_sink_flags_t flags;
void* proplist;
ma_uint64 configured_latency;
ma_uint32 base_volume;
ma_pa_sink_state_t state;
ma_uint32 n_volume_steps;
ma_uint32 card;
ma_uint32 n_ports;
void** ports;
void* active_port;
ma_uint8 n_formats;
void** formats;
} ma_pa_sink_info;
typedef struct
{
const char *name;
ma_uint32 index;
const char *description;
ma_pa_sample_spec sample_spec;
ma_pa_channel_map channel_map;
ma_uint32 owner_module;
ma_pa_cvolume volume;
int mute;
ma_uint32 monitor_of_sink;
const char *monitor_of_sink_name;
ma_uint64 latency;
const char *driver;
ma_pa_source_flags_t flags;
void* proplist;
ma_uint64 configured_latency;
ma_uint32 base_volume;
ma_pa_source_state_t state;
ma_uint32 n_volume_steps;
ma_uint32 card;
ma_uint32 n_ports;
void** ports;
void* active_port;
ma_uint8 n_formats;
void** formats;
} ma_pa_source_info;
typedef void (* ma_pa_context_notify_cb_t)(ma_pa_context* c, void* userdata);
typedef void (* ma_pa_sink_info_cb_t) (ma_pa_context* c, const ma_pa_sink_info* i, int eol, void* userdata);
typedef void (* ma_pa_source_info_cb_t) (ma_pa_context* c, const ma_pa_source_info* i, int eol, void* userdata);
typedef void (* ma_pa_stream_success_cb_t)(ma_pa_stream* s, int success, void* userdata);
typedef void (* ma_pa_stream_request_cb_t)(ma_pa_stream* s, size_t nbytes, void* userdata);
typedef void (* ma_pa_stream_notify_cb_t) (ma_pa_stream* s, void* userdata);
typedef void (* ma_pa_free_cb_t) (void* p);
#endif
typedef ma_pa_mainloop* (* ma_pa_mainloop_new_proc) (void);
typedef void (* ma_pa_mainloop_free_proc) (ma_pa_mainloop* m);
typedef void (* ma_pa_mainloop_quit_proc) (ma_pa_mainloop* m, int retval);
typedef ma_pa_mainloop_api* (* ma_pa_mainloop_get_api_proc) (ma_pa_mainloop* m);
typedef int (* ma_pa_mainloop_iterate_proc) (ma_pa_mainloop* m, int block, int* retval);
typedef void (* ma_pa_mainloop_wakeup_proc) (ma_pa_mainloop* m);
typedef ma_pa_threaded_mainloop* (* ma_pa_threaded_mainloop_new_proc) (void);
typedef void (* ma_pa_threaded_mainloop_free_proc) (ma_pa_threaded_mainloop* m);
typedef int (* ma_pa_threaded_mainloop_start_proc) (ma_pa_threaded_mainloop* m);
typedef void (* ma_pa_threaded_mainloop_stop_proc) (ma_pa_threaded_mainloop* m);
typedef void (* ma_pa_threaded_mainloop_lock_proc) (ma_pa_threaded_mainloop* m);
typedef void (* ma_pa_threaded_mainloop_unlock_proc) (ma_pa_threaded_mainloop* m);
typedef void (* ma_pa_threaded_mainloop_wait_proc) (ma_pa_threaded_mainloop* m);
typedef void (* ma_pa_threaded_mainloop_signal_proc) (ma_pa_threaded_mainloop* m, int wait_for_accept);
typedef void (* ma_pa_threaded_mainloop_accept_proc) (ma_pa_threaded_mainloop* m);
typedef int (* ma_pa_threaded_mainloop_get_retval_proc) (const ma_pa_threaded_mainloop* m);
typedef ma_pa_mainloop_api* (* ma_pa_threaded_mainloop_get_api_proc) (ma_pa_threaded_mainloop* m);
typedef int (* ma_pa_threaded_mainloop_in_thread_proc) (ma_pa_threaded_mainloop* m);
typedef void (* ma_pa_threaded_mainloop_set_name_proc) (ma_pa_threaded_mainloop* m, const char* name);
typedef ma_pa_context* (* ma_pa_context_new_proc) (ma_pa_mainloop_api* mainloop, const char* name);
typedef void (* ma_pa_context_unref_proc) (ma_pa_context* c);
typedef int (* ma_pa_context_connect_proc) (ma_pa_context* c, const char* server, ma_pa_context_flags_t flags, const ma_pa_spawn_api* api);
typedef void (* ma_pa_context_disconnect_proc) (ma_pa_context* c);
typedef void (* ma_pa_context_set_state_callback_proc) (ma_pa_context* c, ma_pa_context_notify_cb_t cb, void* userdata);
typedef ma_pa_context_state_t (* ma_pa_context_get_state_proc) (const ma_pa_context* c);
typedef ma_pa_operation* (* ma_pa_context_get_sink_info_list_proc) (ma_pa_context* c, ma_pa_sink_info_cb_t cb, void* userdata);
typedef ma_pa_operation* (* ma_pa_context_get_source_info_list_proc) (ma_pa_context* c, ma_pa_source_info_cb_t cb, void* userdata);
typedef ma_pa_operation* (* ma_pa_context_get_sink_info_by_name_proc) (ma_pa_context* c, const char* name, ma_pa_sink_info_cb_t cb, void* userdata);
typedef ma_pa_operation* (* ma_pa_context_get_source_info_by_name_proc)(ma_pa_context* c, const char* name, ma_pa_source_info_cb_t cb, void* userdata);
typedef void (* ma_pa_operation_unref_proc) (ma_pa_operation* o);
typedef ma_pa_operation_state_t (* ma_pa_operation_get_state_proc) (const ma_pa_operation* o);
typedef ma_pa_channel_map* (* ma_pa_channel_map_init_extend_proc) (ma_pa_channel_map* m, unsigned channels, ma_pa_channel_map_def_t def);
typedef int (* ma_pa_channel_map_valid_proc) (const ma_pa_channel_map* m);
typedef int (* ma_pa_channel_map_compatible_proc) (const ma_pa_channel_map* m, const ma_pa_sample_spec* ss);
typedef ma_pa_stream* (* ma_pa_stream_new_proc) (ma_pa_context* c, const char* name, const ma_pa_sample_spec* ss, const ma_pa_channel_map* map);
typedef void (* ma_pa_stream_unref_proc) (ma_pa_stream* s);
typedef int (* ma_pa_stream_connect_playback_proc) (ma_pa_stream* s, const char* dev, const ma_pa_buffer_attr* attr, ma_pa_stream_flags_t flags, const ma_pa_cvolume* volume, ma_pa_stream* sync_stream);
typedef int (* ma_pa_stream_connect_record_proc) (ma_pa_stream* s, const char* dev, const ma_pa_buffer_attr* attr, ma_pa_stream_flags_t flags);
typedef int (* ma_pa_stream_disconnect_proc) (ma_pa_stream* s);
typedef ma_pa_stream_state_t (* ma_pa_stream_get_state_proc) (const ma_pa_stream* s);
typedef const ma_pa_sample_spec* (* ma_pa_stream_get_sample_spec_proc) (ma_pa_stream* s);
typedef const ma_pa_channel_map* (* ma_pa_stream_get_channel_map_proc) (ma_pa_stream* s);
typedef const ma_pa_buffer_attr* (* ma_pa_stream_get_buffer_attr_proc) (ma_pa_stream* s);
typedef ma_pa_operation* (* ma_pa_stream_set_buffer_attr_proc) (ma_pa_stream* s, const ma_pa_buffer_attr* attr, ma_pa_stream_success_cb_t cb, void* userdata);
typedef const char* (* ma_pa_stream_get_device_name_proc) (const ma_pa_stream* s);
typedef void (* ma_pa_stream_set_write_callback_proc) (ma_pa_stream* s, ma_pa_stream_request_cb_t cb, void* userdata);
typedef void (* ma_pa_stream_set_read_callback_proc) (ma_pa_stream* s, ma_pa_stream_request_cb_t cb, void* userdata);
typedef void (* ma_pa_stream_set_suspended_callback_proc) (ma_pa_stream* s, ma_pa_stream_notify_cb_t cb, void* userdata);
typedef void (* ma_pa_stream_set_moved_callback_proc) (ma_pa_stream* s, ma_pa_stream_notify_cb_t cb, void* userdata);
typedef int (* ma_pa_stream_is_suspended_proc) (const ma_pa_stream* s);
typedef ma_pa_operation* (* ma_pa_stream_flush_proc) (ma_pa_stream* s, ma_pa_stream_success_cb_t cb, void* userdata);
typedef ma_pa_operation* (* ma_pa_stream_drain_proc) (ma_pa_stream* s, ma_pa_stream_success_cb_t cb, void* userdata);
typedef int (* ma_pa_stream_is_corked_proc) (const ma_pa_stream* s);
typedef ma_pa_operation* (* ma_pa_stream_cork_proc) (ma_pa_stream* s, int b, ma_pa_stream_success_cb_t cb, void* userdata);
typedef ma_pa_operation* (* ma_pa_stream_trigger_proc) (ma_pa_stream* s, ma_pa_stream_success_cb_t cb, void* userdata);
typedef int (* ma_pa_stream_begin_write_proc) (ma_pa_stream* s, void** data, size_t* nbytes);
typedef int (* ma_pa_stream_write_proc) (ma_pa_stream* s, const void* data, size_t nbytes, ma_pa_free_cb_t free_cb, int64_t offset, ma_pa_seek_mode_t seek);
typedef int (* ma_pa_stream_peek_proc) (ma_pa_stream* s, const void** data, size_t* nbytes);
typedef int (* ma_pa_stream_drop_proc) (ma_pa_stream* s);
typedef size_t (* ma_pa_stream_writable_size_proc) (const ma_pa_stream* s);
typedef size_t (* ma_pa_stream_readable_size_proc) (const ma_pa_stream* s);
typedef struct
{
ma_uint32 count;
ma_uint32 capacity;
ma_device_info* pInfo;
} ma_pulse_device_enum_data;
static ma_result ma_result_from_pulse(int result)
{
if (result < 0) {
return MA_ERROR;
}
switch (result) {
case MA_PA_OK: return MA_SUCCESS;
case MA_PA_ERR_ACCESS: return MA_ACCESS_DENIED;
case MA_PA_ERR_INVALID: return MA_INVALID_ARGS;
case MA_PA_ERR_NOENTITY: return MA_NO_DEVICE;
default: return MA_ERROR;
}
}
#if 0
static ma_pa_sample_format_t ma_format_to_pulse(ma_format format)
{
if (ma_is_little_endian()) {
switch (format) {
case ma_format_s16: return MA_PA_SAMPLE_S16LE;
case ma_format_s24: return MA_PA_SAMPLE_S24LE;
case ma_format_s32: return MA_PA_SAMPLE_S32LE;
case ma_format_f32: return MA_PA_SAMPLE_FLOAT32LE;
default: break;
}
} else {
switch (format) {
case ma_format_s16: return MA_PA_SAMPLE_S16BE;
case ma_format_s24: return MA_PA_SAMPLE_S24BE;
case ma_format_s32: return MA_PA_SAMPLE_S32BE;
case ma_format_f32: return MA_PA_SAMPLE_FLOAT32BE;
default: break;
}
}
switch (format) {
case ma_format_u8: return MA_PA_SAMPLE_U8;
default: return MA_PA_SAMPLE_INVALID;
}
}
#endif
static ma_format ma_format_from_pulse(ma_pa_sample_format_t format)
{
if (ma_is_little_endian()) {
switch (format) {
case MA_PA_SAMPLE_S16LE: return ma_format_s16;
case MA_PA_SAMPLE_S24LE: return ma_format_s24;
case MA_PA_SAMPLE_S32LE: return ma_format_s32;
case MA_PA_SAMPLE_FLOAT32LE: return ma_format_f32;
default: break;
}
} else {
switch (format) {
case MA_PA_SAMPLE_S16BE: return ma_format_s16;
case MA_PA_SAMPLE_S24BE: return ma_format_s24;
case MA_PA_SAMPLE_S32BE: return ma_format_s32;
case MA_PA_SAMPLE_FLOAT32BE: return ma_format_f32;
default: break;
}
}
switch (format) {
case MA_PA_SAMPLE_U8: return ma_format_u8;
default: return ma_format_unknown;
}
}
static ma_channel ma_channel_position_from_pulse(ma_pa_channel_position_t position)
{
switch (position)
{
case MA_PA_CHANNEL_POSITION_INVALID: return MA_CHANNEL_NONE;
case MA_PA_CHANNEL_POSITION_MONO: return MA_CHANNEL_MONO;
case MA_PA_CHANNEL_POSITION_FRONT_LEFT: return MA_CHANNEL_FRONT_LEFT;
case MA_PA_CHANNEL_POSITION_FRONT_RIGHT: return MA_CHANNEL_FRONT_RIGHT;
case MA_PA_CHANNEL_POSITION_FRONT_CENTER: return MA_CHANNEL_FRONT_CENTER;
case MA_PA_CHANNEL_POSITION_REAR_CENTER: return MA_CHANNEL_BACK_CENTER;
case MA_PA_CHANNEL_POSITION_REAR_LEFT: return MA_CHANNEL_BACK_LEFT;
case MA_PA_CHANNEL_POSITION_REAR_RIGHT: return MA_CHANNEL_BACK_RIGHT;
case MA_PA_CHANNEL_POSITION_LFE: return MA_CHANNEL_LFE;
case MA_PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER: return MA_CHANNEL_FRONT_LEFT_CENTER;
case MA_PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER: return MA_CHANNEL_FRONT_RIGHT_CENTER;
case MA_PA_CHANNEL_POSITION_SIDE_LEFT: return MA_CHANNEL_SIDE_LEFT;
case MA_PA_CHANNEL_POSITION_SIDE_RIGHT: return MA_CHANNEL_SIDE_RIGHT;
case MA_PA_CHANNEL_POSITION_AUX0: return MA_CHANNEL_AUX_0;
case MA_PA_CHANNEL_POSITION_AUX1: return MA_CHANNEL_AUX_1;
case MA_PA_CHANNEL_POSITION_AUX2: return MA_CHANNEL_AUX_2;
case MA_PA_CHANNEL_POSITION_AUX3: return MA_CHANNEL_AUX_3;
case MA_PA_CHANNEL_POSITION_AUX4: return MA_CHANNEL_AUX_4;
case MA_PA_CHANNEL_POSITION_AUX5: return MA_CHANNEL_AUX_5;
case MA_PA_CHANNEL_POSITION_AUX6: return MA_CHANNEL_AUX_6;
case MA_PA_CHANNEL_POSITION_AUX7: return MA_CHANNEL_AUX_7;
case MA_PA_CHANNEL_POSITION_AUX8: return MA_CHANNEL_AUX_8;
case MA_PA_CHANNEL_POSITION_AUX9: return MA_CHANNEL_AUX_9;
case MA_PA_CHANNEL_POSITION_AUX10: return MA_CHANNEL_AUX_10;
case MA_PA_CHANNEL_POSITION_AUX11: return MA_CHANNEL_AUX_11;
case MA_PA_CHANNEL_POSITION_AUX12: return MA_CHANNEL_AUX_12;
case MA_PA_CHANNEL_POSITION_AUX13: return MA_CHANNEL_AUX_13;
case MA_PA_CHANNEL_POSITION_AUX14: return MA_CHANNEL_AUX_14;
case MA_PA_CHANNEL_POSITION_AUX15: return MA_CHANNEL_AUX_15;
case MA_PA_CHANNEL_POSITION_AUX16: return MA_CHANNEL_AUX_16;
case MA_PA_CHANNEL_POSITION_AUX17: return MA_CHANNEL_AUX_17;
case MA_PA_CHANNEL_POSITION_AUX18: return MA_CHANNEL_AUX_18;
case MA_PA_CHANNEL_POSITION_AUX19: return MA_CHANNEL_AUX_19;
case MA_PA_CHANNEL_POSITION_AUX20: return MA_CHANNEL_AUX_20;
case MA_PA_CHANNEL_POSITION_AUX21: return MA_CHANNEL_AUX_21;
case MA_PA_CHANNEL_POSITION_AUX22: return MA_CHANNEL_AUX_22;
case MA_PA_CHANNEL_POSITION_AUX23: return MA_CHANNEL_AUX_23;
case MA_PA_CHANNEL_POSITION_AUX24: return MA_CHANNEL_AUX_24;
case MA_PA_CHANNEL_POSITION_AUX25: return MA_CHANNEL_AUX_25;
case MA_PA_CHANNEL_POSITION_AUX26: return MA_CHANNEL_AUX_26;
case MA_PA_CHANNEL_POSITION_AUX27: return MA_CHANNEL_AUX_27;
case MA_PA_CHANNEL_POSITION_AUX28: return MA_CHANNEL_AUX_28;
case MA_PA_CHANNEL_POSITION_AUX29: return MA_CHANNEL_AUX_29;
case MA_PA_CHANNEL_POSITION_AUX30: return MA_CHANNEL_AUX_30;
case MA_PA_CHANNEL_POSITION_AUX31: return MA_CHANNEL_AUX_31;
case MA_PA_CHANNEL_POSITION_TOP_CENTER: return MA_CHANNEL_TOP_CENTER;
case MA_PA_CHANNEL_POSITION_TOP_FRONT_LEFT: return MA_CHANNEL_TOP_FRONT_LEFT;
case MA_PA_CHANNEL_POSITION_TOP_FRONT_RIGHT: return MA_CHANNEL_TOP_FRONT_RIGHT;
case MA_PA_CHANNEL_POSITION_TOP_FRONT_CENTER: return MA_CHANNEL_TOP_FRONT_CENTER;
case MA_PA_CHANNEL_POSITION_TOP_REAR_LEFT: return MA_CHANNEL_TOP_BACK_LEFT;
case MA_PA_CHANNEL_POSITION_TOP_REAR_RIGHT: return MA_CHANNEL_TOP_BACK_RIGHT;
case MA_PA_CHANNEL_POSITION_TOP_REAR_CENTER: return MA_CHANNEL_TOP_BACK_CENTER;
default: return MA_CHANNEL_NONE;
}
}
#if 0
static ma_pa_channel_position_t ma_channel_position_to_pulse(ma_channel position)
{
switch (position)
{
case MA_CHANNEL_NONE: return MA_PA_CHANNEL_POSITION_INVALID;
case MA_CHANNEL_FRONT_LEFT: return MA_PA_CHANNEL_POSITION_FRONT_LEFT;
case MA_CHANNEL_FRONT_RIGHT: return MA_PA_CHANNEL_POSITION_FRONT_RIGHT;
case MA_CHANNEL_FRONT_CENTER: return MA_PA_CHANNEL_POSITION_FRONT_CENTER;
case MA_CHANNEL_LFE: return MA_PA_CHANNEL_POSITION_LFE;
case MA_CHANNEL_BACK_LEFT: return MA_PA_CHANNEL_POSITION_REAR_LEFT;
case MA_CHANNEL_BACK_RIGHT: return MA_PA_CHANNEL_POSITION_REAR_RIGHT;
case MA_CHANNEL_FRONT_LEFT_CENTER: return MA_PA_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER;
case MA_CHANNEL_FRONT_RIGHT_CENTER: return MA_PA_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER;
case MA_CHANNEL_BACK_CENTER: return MA_PA_CHANNEL_POSITION_REAR_CENTER;
case MA_CHANNEL_SIDE_LEFT: return MA_PA_CHANNEL_POSITION_SIDE_LEFT;
case MA_CHANNEL_SIDE_RIGHT: return MA_PA_CHANNEL_POSITION_SIDE_RIGHT;
case MA_CHANNEL_TOP_CENTER: return MA_PA_CHANNEL_POSITION_TOP_CENTER;
case MA_CHANNEL_TOP_FRONT_LEFT: return MA_PA_CHANNEL_POSITION_TOP_FRONT_LEFT;
case MA_CHANNEL_TOP_FRONT_CENTER: return MA_PA_CHANNEL_POSITION_TOP_FRONT_CENTER;
case MA_CHANNEL_TOP_FRONT_RIGHT: return MA_PA_CHANNEL_POSITION_TOP_FRONT_RIGHT;
case MA_CHANNEL_TOP_BACK_LEFT: return MA_PA_CHANNEL_POSITION_TOP_REAR_LEFT;
case MA_CHANNEL_TOP_BACK_CENTER: return MA_PA_CHANNEL_POSITION_TOP_REAR_CENTER;
case MA_CHANNEL_TOP_BACK_RIGHT: return MA_PA_CHANNEL_POSITION_TOP_REAR_RIGHT;
case MA_CHANNEL_19: return MA_PA_CHANNEL_POSITION_AUX18;
case MA_CHANNEL_20: return MA_PA_CHANNEL_POSITION_AUX19;
case MA_CHANNEL_21: return MA_PA_CHANNEL_POSITION_AUX20;
case MA_CHANNEL_22: return MA_PA_CHANNEL_POSITION_AUX21;
case MA_CHANNEL_23: return MA_PA_CHANNEL_POSITION_AUX22;
case MA_CHANNEL_24: return MA_PA_CHANNEL_POSITION_AUX23;
case MA_CHANNEL_25: return MA_PA_CHANNEL_POSITION_AUX24;
case MA_CHANNEL_26: return MA_PA_CHANNEL_POSITION_AUX25;
case MA_CHANNEL_27: return MA_PA_CHANNEL_POSITION_AUX26;
case MA_CHANNEL_28: return MA_PA_CHANNEL_POSITION_AUX27;
case MA_CHANNEL_29: return MA_PA_CHANNEL_POSITION_AUX28;
case MA_CHANNEL_30: return MA_PA_CHANNEL_POSITION_AUX29;
case MA_CHANNEL_31: return MA_PA_CHANNEL_POSITION_AUX30;
case MA_CHANNEL_32: return MA_PA_CHANNEL_POSITION_AUX31;
default: return (ma_pa_channel_position_t)position;
}
}
#endif
static ma_result ma_wait_for_operation__pulse(ma_context* pContext, ma_ptr pMainLoop, ma_pa_operation* pOP)
{
int resultPA;
ma_pa_operation_state_t state;
MA_ASSERT(pContext != NULL);
MA_ASSERT(pOP != NULL);
for (;;) {
state = ((ma_pa_operation_get_state_proc)pContext->pulse.pa_operation_get_state)(pOP);
if (state != MA_PA_OPERATION_RUNNING) {
break;
}
resultPA = ((ma_pa_mainloop_iterate_proc)pContext->pulse.pa_mainloop_iterate)((ma_pa_mainloop*)pMainLoop, 1, NULL);
if (resultPA < 0) {
return ma_result_from_pulse(resultPA);
}
}
return MA_SUCCESS;
}
static ma_result ma_wait_for_operation_and_unref__pulse(ma_context* pContext, ma_ptr pMainLoop, ma_pa_operation* pOP)
{
ma_result result;
if (pOP == NULL) {
return MA_INVALID_ARGS;
}
result = ma_wait_for_operation__pulse(pContext, pMainLoop, pOP);
((ma_pa_operation_unref_proc)pContext->pulse.pa_operation_unref)(pOP);
return result;
}
static ma_result ma_wait_for_pa_context_to_connect__pulse(ma_context* pContext, ma_ptr pMainLoop, ma_ptr pPulseContext)
{
int resultPA;
ma_pa_context_state_t state;
for (;;) {
state = ((ma_pa_context_get_state_proc)pContext->pulse.pa_context_get_state)((ma_pa_context*)pPulseContext);
if (state == MA_PA_CONTEXT_READY) {
break;
}
if (state == MA_PA_CONTEXT_FAILED || state == MA_PA_CONTEXT_TERMINATED) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[PulseAudio] An error occurred while connecting the PulseAudio context.");
return MA_ERROR;
}
resultPA = ((ma_pa_mainloop_iterate_proc)pContext->pulse.pa_mainloop_iterate)((ma_pa_mainloop*)pMainLoop, 1, NULL);
if (resultPA < 0) {
return ma_result_from_pulse(resultPA);
}
}
return MA_SUCCESS;
}
static ma_result ma_wait_for_pa_stream_to_connect__pulse(ma_context* pContext, ma_ptr pMainLoop, ma_ptr pStream)
{
int resultPA;
ma_pa_stream_state_t state;
for (;;) {
state = ((ma_pa_stream_get_state_proc)pContext->pulse.pa_stream_get_state)((ma_pa_stream*)pStream);
if (state == MA_PA_STREAM_READY) {
break;
}
if (state == MA_PA_STREAM_FAILED || state == MA_PA_STREAM_TERMINATED) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[PulseAudio] An error occurred while connecting the PulseAudio stream.");
return MA_ERROR;
}
resultPA = ((ma_pa_mainloop_iterate_proc)pContext->pulse.pa_mainloop_iterate)((ma_pa_mainloop*)pMainLoop, 1, NULL);
if (resultPA < 0) {
return ma_result_from_pulse(resultPA);
}
}
return MA_SUCCESS;
}
static ma_result ma_init_pa_mainloop_and_pa_context__pulse(ma_context* pContext, const char* pApplicationName, const char* pServerName, ma_bool32 tryAutoSpawn, ma_ptr* ppMainLoop, ma_ptr* ppPulseContext)
{
ma_result result;
ma_ptr pMainLoop;
ma_ptr pPulseContext;
MA_ASSERT(ppMainLoop != NULL);
MA_ASSERT(ppPulseContext != NULL);
pMainLoop = ((ma_pa_mainloop_new_proc)pContext->pulse.pa_mainloop_new)();
if (pMainLoop == NULL) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[PulseAudio] Failed to create mainloop.");
return MA_FAILED_TO_INIT_BACKEND;
}
pPulseContext = ((ma_pa_context_new_proc)pContext->pulse.pa_context_new)(((ma_pa_mainloop_get_api_proc)pContext->pulse.pa_mainloop_get_api)((ma_pa_mainloop*)pMainLoop), pApplicationName);
if (pPulseContext == NULL) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[PulseAudio] Failed to create PulseAudio context.");
((ma_pa_mainloop_free_proc)pContext->pulse.pa_mainloop_free)((ma_pa_mainloop*)(pMainLoop));
return MA_FAILED_TO_INIT_BACKEND;
}
result = ma_result_from_pulse(((ma_pa_context_connect_proc)pContext->pulse.pa_context_connect)((ma_pa_context*)pPulseContext, pServerName, (tryAutoSpawn) ? MA_PA_CONTEXT_NOFLAGS : MA_PA_CONTEXT_NOAUTOSPAWN, NULL));
if (result != MA_SUCCESS) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[PulseAudio] Failed to connect PulseAudio context.");
((ma_pa_context_unref_proc)pContext->pulse.pa_context_unref)((ma_pa_context*)(pPulseContext));
((ma_pa_mainloop_free_proc)pContext->pulse.pa_mainloop_free)((ma_pa_mainloop*)(pMainLoop));
return result;
}
result = ma_wait_for_pa_context_to_connect__pulse(pContext, pMainLoop, pPulseContext);
if (result != MA_SUCCESS) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[PulseAudio] Waiting for connection failed.");
((ma_pa_context_unref_proc)pContext->pulse.pa_context_unref)((ma_pa_context*)(pPulseContext));
((ma_pa_mainloop_free_proc)pContext->pulse.pa_mainloop_free)((ma_pa_mainloop*)(pMainLoop));
return result;
}
*ppMainLoop = pMainLoop;
*ppPulseContext = pPulseContext;
return MA_SUCCESS;
}
static void ma_device_sink_info_callback(ma_pa_context* pPulseContext, const ma_pa_sink_info* pInfo, int endOfList, void* pUserData)
{
ma_pa_sink_info* pInfoOut;
if (endOfList > 0) {
return;
}
if (pInfo == NULL) {
return;
}
pInfoOut = (ma_pa_sink_info*)pUserData;
MA_ASSERT(pInfoOut != NULL);
*pInfoOut = *pInfo;
(void)pPulseContext;
}
static void ma_device_source_info_callback(ma_pa_context* pPulseContext, const ma_pa_source_info* pInfo, int endOfList, void* pUserData)
{
ma_pa_source_info* pInfoOut;
if (endOfList > 0) {
return;
}
if (pInfo == NULL) {
return;
}
pInfoOut = (ma_pa_source_info*)pUserData;
MA_ASSERT(pInfoOut != NULL);
*pInfoOut = *pInfo;
(void)pPulseContext;
}
#if 0
static void ma_device_sink_name_callback(ma_pa_context* pPulseContext, const ma_pa_sink_info* pInfo, int endOfList, void* pUserData)
{
ma_device* pDevice;
if (endOfList > 0) {
return;
}
pDevice = (ma_device*)pUserData;
MA_ASSERT(pDevice != NULL);
ma_strncpy_s(pDevice->playback.name, sizeof(pDevice->playback.name), pInfo->description, (size_t)-1);
(void)pPulseContext;
}
static void ma_device_source_name_callback(ma_pa_context* pPulseContext, const ma_pa_source_info* pInfo, int endOfList, void* pUserData)
{
ma_device* pDevice;
if (endOfList > 0) {
return;
}
pDevice = (ma_device*)pUserData;
MA_ASSERT(pDevice != NULL);
ma_strncpy_s(pDevice->capture.name, sizeof(pDevice->capture.name), pInfo->description, (size_t)-1);
(void)pPulseContext;
}
#endif
static ma_result ma_context_get_sink_info__pulse(ma_context* pContext, const char* pDeviceName, ma_pa_sink_info* pSinkInfo)
{
ma_pa_operation* pOP;
pOP = ((ma_pa_context_get_sink_info_by_name_proc)pContext->pulse.pa_context_get_sink_info_by_name)((ma_pa_context*)pContext->pulse.pPulseContext, pDeviceName, ma_device_sink_info_callback, pSinkInfo);
if (pOP == NULL) {
return MA_ERROR;
}
return ma_wait_for_operation_and_unref__pulse(pContext, pContext->pulse.pMainLoop, pOP);
}
static ma_result ma_context_get_source_info__pulse(ma_context* pContext, const char* pDeviceName, ma_pa_source_info* pSourceInfo)
{
ma_pa_operation* pOP;
pOP = ((ma_pa_context_get_source_info_by_name_proc)pContext->pulse.pa_context_get_source_info_by_name)((ma_pa_context*)pContext->pulse.pPulseContext, pDeviceName, ma_device_source_info_callback, pSourceInfo);
if (pOP == NULL) {
return MA_ERROR;
}
return ma_wait_for_operation_and_unref__pulse(pContext, pContext->pulse.pMainLoop, pOP);
}
static ma_result ma_context_get_default_device_index__pulse(ma_context* pContext, ma_device_type deviceType, ma_uint32* pIndex)
{
ma_result result;
MA_ASSERT(pContext != NULL);
MA_ASSERT(pIndex != NULL);
if (pIndex != NULL) {
*pIndex = (ma_uint32)-1;
}
if (deviceType == ma_device_type_playback) {
ma_pa_sink_info sinkInfo;
result = ma_context_get_sink_info__pulse(pContext, NULL, &sinkInfo);
if (result != MA_SUCCESS) {
return result;
}
if (pIndex != NULL) {
*pIndex = sinkInfo.index;
}
}
if (deviceType == ma_device_type_capture) {
ma_pa_source_info sourceInfo;
result = ma_context_get_source_info__pulse(pContext, NULL, &sourceInfo);
if (result != MA_SUCCESS) {
return result;
}
if (pIndex != NULL) {
*pIndex = sourceInfo.index;
}
}
return MA_SUCCESS;
}
typedef struct
{
ma_context* pContext;
ma_enum_devices_callback_proc callback;
void* pUserData;
ma_bool32 isTerminated;
ma_uint32 defaultDeviceIndexPlayback;
ma_uint32 defaultDeviceIndexCapture;
} ma_context_enumerate_devices_callback_data__pulse;
static void ma_context_enumerate_devices_sink_callback__pulse(ma_pa_context* pPulseContext, const ma_pa_sink_info* pSinkInfo, int endOfList, void* pUserData)
{
ma_context_enumerate_devices_callback_data__pulse* pData = (ma_context_enumerate_devices_callback_data__pulse*)pUserData;
ma_device_info deviceInfo;
MA_ASSERT(pData != NULL);
if (endOfList || pData->isTerminated) {
return;
}
MA_ZERO_OBJECT(&deviceInfo);
if (pSinkInfo->name != NULL) {
ma_strncpy_s(deviceInfo.id.pulse, sizeof(deviceInfo.id.pulse), pSinkInfo->name, (size_t)-1);
}
if (pSinkInfo->description != NULL) {
ma_strncpy_s(deviceInfo.name, sizeof(deviceInfo.name), pSinkInfo->description, (size_t)-1);
}
if (pSinkInfo->index == pData->defaultDeviceIndexPlayback) {
deviceInfo.isDefault = MA_TRUE;
}
pData->isTerminated = !pData->callback(pData->pContext, ma_device_type_playback, &deviceInfo, pData->pUserData);
(void)pPulseContext;
}
static void ma_context_enumerate_devices_source_callback__pulse(ma_pa_context* pPulseContext, const ma_pa_source_info* pSourceInfo, int endOfList, void* pUserData)
{
ma_context_enumerate_devices_callback_data__pulse* pData = (ma_context_enumerate_devices_callback_data__pulse*)pUserData;
ma_device_info deviceInfo;
MA_ASSERT(pData != NULL);
if (endOfList || pData->isTerminated) {
return;
}
MA_ZERO_OBJECT(&deviceInfo);
if (pSourceInfo->name != NULL) {
ma_strncpy_s(deviceInfo.id.pulse, sizeof(deviceInfo.id.pulse), pSourceInfo->name, (size_t)-1);
}
if (pSourceInfo->description != NULL) {
ma_strncpy_s(deviceInfo.name, sizeof(deviceInfo.name), pSourceInfo->description, (size_t)-1);
}
if (pSourceInfo->index == pData->defaultDeviceIndexCapture) {
deviceInfo.isDefault = MA_TRUE;
}
pData->isTerminated = !pData->callback(pData->pContext, ma_device_type_capture, &deviceInfo, pData->pUserData);
(void)pPulseContext;
}
static ma_result ma_context_enumerate_devices__pulse(ma_context* pContext, ma_enum_devices_callback_proc callback, void* pUserData)
{
ma_result result = MA_SUCCESS;
ma_context_enumerate_devices_callback_data__pulse callbackData;
ma_pa_operation* pOP = NULL;
MA_ASSERT(pContext != NULL);
MA_ASSERT(callback != NULL);
callbackData.pContext = pContext;
callbackData.callback = callback;
callbackData.pUserData = pUserData;
callbackData.isTerminated = MA_FALSE;
callbackData.defaultDeviceIndexPlayback = (ma_uint32)-1;
callbackData.defaultDeviceIndexCapture = (ma_uint32)-1;
ma_context_get_default_device_index__pulse(pContext, ma_device_type_playback, &callbackData.defaultDeviceIndexPlayback);
ma_context_get_default_device_index__pulse(pContext, ma_device_type_capture, &callbackData.defaultDeviceIndexCapture);
if (!callbackData.isTerminated) {
pOP = ((ma_pa_context_get_sink_info_list_proc)pContext->pulse.pa_context_get_sink_info_list)((ma_pa_context*)(pContext->pulse.pPulseContext), ma_context_enumerate_devices_sink_callback__pulse, &callbackData);
if (pOP == NULL) {
result = MA_ERROR;
goto done;
}
result = ma_wait_for_operation__pulse(pContext, pContext->pulse.pMainLoop, pOP);
((ma_pa_operation_unref_proc)pContext->pulse.pa_operation_unref)(pOP);
if (result != MA_SUCCESS) {
goto done;
}
}
if (!callbackData.isTerminated) {
pOP = ((ma_pa_context_get_source_info_list_proc)pContext->pulse.pa_context_get_source_info_list)((ma_pa_context*)(pContext->pulse.pPulseContext), ma_context_enumerate_devices_source_callback__pulse, &callbackData);
if (pOP == NULL) {
result = MA_ERROR;
goto done;
}
result = ma_wait_for_operation__pulse(pContext, pContext->pulse.pMainLoop, pOP);
((ma_pa_operation_unref_proc)pContext->pulse.pa_operation_unref)(pOP);
if (result != MA_SUCCESS) {
goto done;
}
}
done:
return result;
}
typedef struct
{
ma_device_info* pDeviceInfo;
ma_uint32 defaultDeviceIndex;
ma_bool32 foundDevice;
} ma_context_get_device_info_callback_data__pulse;
static void ma_context_get_device_info_sink_callback__pulse(ma_pa_context* pPulseContext, const ma_pa_sink_info* pInfo, int endOfList, void* pUserData)
{
ma_context_get_device_info_callback_data__pulse* pData = (ma_context_get_device_info_callback_data__pulse*)pUserData;
if (endOfList > 0) {
return;
}
MA_ASSERT(pData != NULL);
pData->foundDevice = MA_TRUE;
if (pInfo->name != NULL) {
ma_strncpy_s(pData->pDeviceInfo->id.pulse, sizeof(pData->pDeviceInfo->id.pulse), pInfo->name, (size_t)-1);
}
if (pInfo->description != NULL) {
ma_strncpy_s(pData->pDeviceInfo->name, sizeof(pData->pDeviceInfo->name), pInfo->description, (size_t)-1);
}
pData->pDeviceInfo->nativeDataFormats[0].format = ma_format_from_pulse(pInfo->sample_spec.format);
pData->pDeviceInfo->nativeDataFormats[0].channels = pInfo->sample_spec.channels;
pData->pDeviceInfo->nativeDataFormats[0].sampleRate = pInfo->sample_spec.rate;
pData->pDeviceInfo->nativeDataFormats[0].flags = 0;
pData->pDeviceInfo->nativeDataFormatCount = 1;
if (pData->defaultDeviceIndex == pInfo->index) {
pData->pDeviceInfo->isDefault = MA_TRUE;
}
(void)pPulseContext;
}
static void ma_context_get_device_info_source_callback__pulse(ma_pa_context* pPulseContext, const ma_pa_source_info* pInfo, int endOfList, void* pUserData)
{
ma_context_get_device_info_callback_data__pulse* pData = (ma_context_get_device_info_callback_data__pulse*)pUserData;
if (endOfList > 0) {
return;
}
MA_ASSERT(pData != NULL);
pData->foundDevice = MA_TRUE;
if (pInfo->name != NULL) {
ma_strncpy_s(pData->pDeviceInfo->id.pulse, sizeof(pData->pDeviceInfo->id.pulse), pInfo->name, (size_t)-1);
}
if (pInfo->description != NULL) {
ma_strncpy_s(pData->pDeviceInfo->name, sizeof(pData->pDeviceInfo->name), pInfo->description, (size_t)-1);
}
pData->pDeviceInfo->nativeDataFormats[0].format = ma_format_from_pulse(pInfo->sample_spec.format);
pData->pDeviceInfo->nativeDataFormats[0].channels = pInfo->sample_spec.channels;
pData->pDeviceInfo->nativeDataFormats[0].sampleRate = pInfo->sample_spec.rate;
pData->pDeviceInfo->nativeDataFormats[0].flags = 0;
pData->pDeviceInfo->nativeDataFormatCount = 1;
if (pData->defaultDeviceIndex == pInfo->index) {
pData->pDeviceInfo->isDefault = MA_TRUE;
}
(void)pPulseContext;
}
static ma_result ma_context_get_device_info__pulse(ma_context* pContext, ma_device_type deviceType, const ma_device_id* pDeviceID, ma_device_info* pDeviceInfo)
{
ma_result result = MA_SUCCESS;
ma_context_get_device_info_callback_data__pulse callbackData;
ma_pa_operation* pOP = NULL;
const char* pDeviceName = NULL;
MA_ASSERT(pContext != NULL);
callbackData.pDeviceInfo = pDeviceInfo;
callbackData.foundDevice = MA_FALSE;
if (pDeviceID != NULL) {
pDeviceName = pDeviceID->pulse;
} else {
pDeviceName = NULL;
}
result = ma_context_get_default_device_index__pulse(pContext, deviceType, &callbackData.defaultDeviceIndex);
if (deviceType == ma_device_type_playback) {
pOP = ((ma_pa_context_get_sink_info_by_name_proc)pContext->pulse.pa_context_get_sink_info_by_name)((ma_pa_context*)(pContext->pulse.pPulseContext), pDeviceName, ma_context_get_device_info_sink_callback__pulse, &callbackData);
} else {
pOP = ((ma_pa_context_get_source_info_by_name_proc)pContext->pulse.pa_context_get_source_info_by_name)((ma_pa_context*)(pContext->pulse.pPulseContext), pDeviceName, ma_context_get_device_info_source_callback__pulse, &callbackData);
}
if (pOP != NULL) {
ma_wait_for_operation_and_unref__pulse(pContext, pContext->pulse.pMainLoop, pOP);
} else {
result = MA_ERROR;
goto done;
}
if (!callbackData.foundDevice) {
result = MA_NO_DEVICE;
goto done;
}
done:
return result;
}
static ma_result ma_device_uninit__pulse(ma_device* pDevice)
{
ma_context* pContext;
MA_ASSERT(pDevice != NULL);
pContext = pDevice->pContext;
MA_ASSERT(pContext != NULL);
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
((ma_pa_stream_disconnect_proc)pContext->pulse.pa_stream_disconnect)((ma_pa_stream*)pDevice->pulse.pStreamCapture);
((ma_pa_stream_unref_proc)pContext->pulse.pa_stream_unref)((ma_pa_stream*)pDevice->pulse.pStreamCapture);
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
((ma_pa_stream_disconnect_proc)pContext->pulse.pa_stream_disconnect)((ma_pa_stream*)pDevice->pulse.pStreamPlayback);
((ma_pa_stream_unref_proc)pContext->pulse.pa_stream_unref)((ma_pa_stream*)pDevice->pulse.pStreamPlayback);
}
if (pDevice->type == ma_device_type_duplex) {
ma_duplex_rb_uninit(&pDevice->duplexRB);
}
((ma_pa_context_disconnect_proc)pContext->pulse.pa_context_disconnect)((ma_pa_context*)pDevice->pulse.pPulseContext);
((ma_pa_context_unref_proc)pContext->pulse.pa_context_unref)((ma_pa_context*)pDevice->pulse.pPulseContext);
((ma_pa_mainloop_free_proc)pContext->pulse.pa_mainloop_free)((ma_pa_mainloop*)pDevice->pulse.pMainLoop);
return MA_SUCCESS;
}
static ma_pa_buffer_attr ma_device__pa_buffer_attr_new(ma_uint32 periodSizeInFrames, ma_uint32 periods, const ma_pa_sample_spec* ss)
{
ma_pa_buffer_attr attr;
attr.maxlength = periodSizeInFrames * periods * ma_get_bytes_per_frame(ma_format_from_pulse(ss->format), ss->channels);
attr.tlength = attr.maxlength / periods;
attr.prebuf = (ma_uint32)-1;
attr.minreq = (ma_uint32)-1;
attr.fragsize = attr.maxlength / periods;
return attr;
}
static ma_pa_stream* ma_device__pa_stream_new__pulse(ma_device* pDevice, const char* pStreamName, const ma_pa_sample_spec* ss, const ma_pa_channel_map* cmap)
{
static ma_atomic_uint32 g_StreamCounter = { 0 };
char actualStreamName[256];
if (pStreamName != NULL) {
ma_strncpy_s(actualStreamName, sizeof(actualStreamName), pStreamName, (size_t)-1);
} else {
const char* pBaseName = "miniaudio:";
size_t baseNameLen = strlen(pBaseName);
ma_strcpy_s(actualStreamName, sizeof(actualStreamName), pBaseName);
ma_itoa_s((int)ma_atomic_uint32_get(&g_StreamCounter), actualStreamName + baseNameLen, sizeof(actualStreamName)-baseNameLen, 10);
}
ma_atomic_uint32_fetch_add(&g_StreamCounter, 1);
return ((ma_pa_stream_new_proc)pDevice->pContext->pulse.pa_stream_new)((ma_pa_context*)pDevice->pulse.pPulseContext, actualStreamName, ss, cmap);
}
static void ma_device_on_read__pulse(ma_pa_stream* pStream, size_t byteCount, void* pUserData)
{
ma_device* pDevice = (ma_device*)pUserData;
ma_uint32 bpf;
ma_uint32 deviceState;
ma_uint64 frameCount;
ma_uint64 framesProcessed;
MA_ASSERT(pDevice != NULL);
deviceState = ma_device_get_state(pDevice);
if (deviceState != ma_device_state_starting && deviceState != ma_device_state_started) {
return;
}
bpf = ma_get_bytes_per_frame(pDevice->capture.internalFormat, pDevice->capture.internalChannels);
MA_ASSERT(bpf > 0);
frameCount = byteCount / bpf;
framesProcessed = 0;
while (ma_device_get_state(pDevice) == ma_device_state_started && framesProcessed < frameCount) {
const void* pMappedPCMFrames;
size_t bytesMapped;
ma_uint64 framesMapped;
int pulseResult = ((ma_pa_stream_peek_proc)pDevice->pContext->pulse.pa_stream_peek)(pStream, &pMappedPCMFrames, &bytesMapped);
if (pulseResult < 0) {
break;
}
framesMapped = bytesMapped / bpf;
if (framesMapped > 0) {
if (pMappedPCMFrames != NULL) {
ma_device_handle_backend_data_callback(pDevice, NULL, pMappedPCMFrames, framesMapped);
} else {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "[PulseAudio] ma_device_on_read__pulse: Hole.\n");
}
pulseResult = ((ma_pa_stream_drop_proc)pDevice->pContext->pulse.pa_stream_drop)(pStream);
if (pulseResult < 0) {
break;
}
framesProcessed += framesMapped;
} else {
break;
}
}
}
static ma_result ma_device_write_to_stream__pulse(ma_device* pDevice, ma_pa_stream* pStream, ma_uint64* pFramesProcessed)
{
ma_result result = MA_SUCCESS;
ma_uint64 framesProcessed = 0;
size_t bytesMapped;
ma_uint32 bpf;
ma_uint32 deviceState;
MA_ASSERT(pDevice != NULL);
MA_ASSERT(pStream != NULL);
bpf = ma_get_bytes_per_frame(pDevice->playback.internalFormat, pDevice->playback.internalChannels);
MA_ASSERT(bpf > 0);
deviceState = ma_device_get_state(pDevice);
bytesMapped = ((ma_pa_stream_writable_size_proc)pDevice->pContext->pulse.pa_stream_writable_size)(pStream);
if (bytesMapped != (size_t)-1) {
if (bytesMapped > 0) {
ma_uint64 framesMapped;
void* pMappedPCMFrames;
int pulseResult = ((ma_pa_stream_begin_write_proc)pDevice->pContext->pulse.pa_stream_begin_write)(pStream, &pMappedPCMFrames, &bytesMapped);
if (pulseResult < 0) {
result = ma_result_from_pulse(pulseResult);
goto done;
}
framesMapped = bytesMapped / bpf;
if (deviceState == ma_device_state_started || deviceState == ma_device_state_starting) {
ma_device_handle_backend_data_callback(pDevice, pMappedPCMFrames, NULL, framesMapped);
} else {
ma_silence_pcm_frames(pMappedPCMFrames, framesMapped, pDevice->playback.format, pDevice->playback.channels);
}
pulseResult = ((ma_pa_stream_write_proc)pDevice->pContext->pulse.pa_stream_write)(pStream, pMappedPCMFrames, bytesMapped, NULL, 0, MA_PA_SEEK_RELATIVE);
if (pulseResult < 0) {
result = ma_result_from_pulse(pulseResult);
goto done;
}
framesProcessed += framesMapped;
} else {
result = MA_SUCCESS;
goto done;
}
} else {
result = MA_ERROR;
goto done;
}
done:
if (pFramesProcessed != NULL) {
*pFramesProcessed = framesProcessed;
}
return result;
}
static void ma_device_on_write__pulse(ma_pa_stream* pStream, size_t byteCount, void* pUserData)
{
ma_device* pDevice = (ma_device*)pUserData;
ma_uint32 bpf;
ma_uint64 frameCount;
ma_uint64 framesProcessed;
ma_uint32 deviceState;
ma_result result;
MA_ASSERT(pDevice != NULL);
deviceState = ma_device_get_state(pDevice);
if (deviceState != ma_device_state_starting && deviceState != ma_device_state_started) {
return;
}
bpf = ma_get_bytes_per_frame(pDevice->playback.internalFormat, pDevice->playback.internalChannels);
MA_ASSERT(bpf > 0);
frameCount = byteCount / bpf;
framesProcessed = 0;
while (framesProcessed < frameCount) {
ma_uint64 framesProcessedThisIteration;
deviceState = ma_device_get_state(pDevice);
if (deviceState != ma_device_state_starting && deviceState != ma_device_state_started) {
break;
}
result = ma_device_write_to_stream__pulse(pDevice, pStream, &framesProcessedThisIteration);
if (result != MA_SUCCESS) {
break;
}
framesProcessed += framesProcessedThisIteration;
}
}
static void ma_device_on_suspended__pulse(ma_pa_stream* pStream, void* pUserData)
{
ma_device* pDevice = (ma_device*)pUserData;
int suspended;
(void)pStream;
suspended = ((ma_pa_stream_is_suspended_proc)pDevice->pContext->pulse.pa_stream_is_suspended)(pStream);
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "[Pulse] Device suspended state changed. pa_stream_is_suspended() returned %d.\n", suspended);
if (suspended < 0) {
return;
}
if (suspended == 1) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "[Pulse] Device suspended state changed. Suspended.\n");
ma_device__on_notification_stopped(pDevice);
} else {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "[Pulse] Device suspended state changed. Resumed.\n");
ma_device__on_notification_started(pDevice);
}
}
static void ma_device_on_rerouted__pulse(ma_pa_stream* pStream, void* pUserData)
{
ma_device* pDevice = (ma_device*)pUserData;
(void)pStream;
(void)pUserData;
ma_device__on_notification_rerouted(pDevice);
}
static ma_uint32 ma_calculate_period_size_in_frames_from_descriptor__pulse(const ma_device_descriptor* pDescriptor, ma_uint32 nativeSampleRate, ma_performance_profile performanceProfile)
{
const ma_uint32 defaultPeriodSizeInMilliseconds_LowLatency = 25;
const ma_uint32 defaultPeriodSizeInMilliseconds_Conservative = MA_DEFAULT_PERIOD_SIZE_IN_MILLISECONDS_CONSERVATIVE;
MA_ASSERT(nativeSampleRate != 0);
if (pDescriptor->periodSizeInFrames == 0) {
if (pDescriptor->periodSizeInMilliseconds == 0) {
if (performanceProfile == ma_performance_profile_low_latency) {
return ma_calculate_buffer_size_in_frames_from_milliseconds(defaultPeriodSizeInMilliseconds_LowLatency, nativeSampleRate);
} else {
return ma_calculate_buffer_size_in_frames_from_milliseconds(defaultPeriodSizeInMilliseconds_Conservative, nativeSampleRate);
}
} else {
return ma_calculate_buffer_size_in_frames_from_milliseconds(pDescriptor->periodSizeInMilliseconds, nativeSampleRate);
}
} else {
return pDescriptor->periodSizeInFrames;
}
}
static ma_result ma_device_init__pulse(ma_device* pDevice, const ma_device_config* pConfig, ma_device_descriptor* pDescriptorPlayback, ma_device_descriptor* pDescriptorCapture)
{
ma_result result = MA_SUCCESS;
int error = 0;
const char* devPlayback = NULL;
const char* devCapture = NULL;
ma_format format = ma_format_unknown;
ma_uint32 channels = 0;
ma_uint32 sampleRate = 0;
ma_pa_sink_info sinkInfo;
ma_pa_source_info sourceInfo;
ma_pa_sample_spec ss;
ma_pa_channel_map cmap;
ma_pa_buffer_attr attr;
const ma_pa_sample_spec* pActualSS = NULL;
const ma_pa_buffer_attr* pActualAttr = NULL;
const ma_pa_channel_map* pActualChannelMap = NULL;
ma_uint32 iChannel;
int streamFlags;
MA_ASSERT(pDevice != NULL);
MA_ZERO_OBJECT(&pDevice->pulse);
if (pConfig->deviceType == ma_device_type_loopback) {
return MA_DEVICE_TYPE_NOT_SUPPORTED;
}
if (((pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex) && pConfig->playback.shareMode == ma_share_mode_exclusive) ||
((pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex) && pConfig->capture.shareMode == ma_share_mode_exclusive)) {
return MA_SHARE_MODE_NOT_SUPPORTED;
}
if (pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex) {
if (pDescriptorPlayback->pDeviceID != NULL) {
devPlayback = pDescriptorPlayback->pDeviceID->pulse;
}
format = pDescriptorPlayback->format;
channels = pDescriptorPlayback->channels;
sampleRate = pDescriptorPlayback->sampleRate;
}
if (pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex) {
if (pDescriptorCapture->pDeviceID != NULL) {
devCapture = pDescriptorCapture->pDeviceID->pulse;
}
format = pDescriptorCapture->format;
channels = pDescriptorCapture->channels;
sampleRate = pDescriptorCapture->sampleRate;
}
result = ma_init_pa_mainloop_and_pa_context__pulse(pDevice->pContext, pDevice->pContext->pulse.pApplicationName, pDevice->pContext->pulse.pServerName, MA_FALSE, &pDevice->pulse.pMainLoop, &pDevice->pulse.pPulseContext);
if (result != MA_SUCCESS) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[PulseAudio] Failed to initialize PA mainloop and context for device.\n");
return result;
}
if (pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex) {
result = ma_context_get_source_info__pulse(pDevice->pContext, devCapture, &sourceInfo);
if (result != MA_SUCCESS) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[PulseAudio] Failed to retrieve source info for capture device.");
goto on_error0;
}
ss = sourceInfo.sample_spec;
cmap = sourceInfo.channel_map;
if (pDescriptorCapture->channels != 0) {
ss.channels = pDescriptorCapture->channels;
}
if (ss.channels > 32) {
ss.channels = 32;
}
((ma_pa_channel_map_init_extend_proc)pDevice->pContext->pulse.pa_channel_map_init_extend)(&cmap, ss.channels, (ma_pa_channel_map_def_t)pConfig->pulse.channelMap);
if (pDescriptorCapture->sampleRate != 0) {
ss.rate = pDescriptorCapture->sampleRate;
}
streamFlags = MA_PA_STREAM_START_CORKED | MA_PA_STREAM_ADJUST_LATENCY;
if (ma_format_from_pulse(ss.format) == ma_format_unknown) {
if (ma_is_little_endian()) {
ss.format = MA_PA_SAMPLE_FLOAT32LE;
} else {
ss.format = MA_PA_SAMPLE_FLOAT32BE;
}
streamFlags |= MA_PA_STREAM_FIX_FORMAT;
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, "[PulseAudio] sample_spec.format not supported by miniaudio. Defaulting to PA_SAMPLE_FLOAT32.\n");
}
if (ss.rate == 0) {
ss.rate = MA_DEFAULT_SAMPLE_RATE;
streamFlags |= MA_PA_STREAM_FIX_RATE;
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, "[PulseAudio] sample_spec.rate = 0. Defaulting to %d.\n", ss.rate);
}
if (ss.channels == 0) {
ss.channels = MA_DEFAULT_CHANNELS;
streamFlags |= MA_PA_STREAM_FIX_CHANNELS;
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, "[PulseAudio] sample_spec.channels = 0. Defaulting to %d.\n", ss.channels);
}
pDescriptorCapture->periodSizeInFrames = ma_calculate_period_size_in_frames_from_descriptor__pulse(pDescriptorCapture, ss.rate, pConfig->performanceProfile);
attr = ma_device__pa_buffer_attr_new(pDescriptorCapture->periodSizeInFrames, pDescriptorCapture->periodCount, &ss);
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, "[PulseAudio] Capture attr: maxlength=%d, tlength=%d, prebuf=%d, minreq=%d, fragsize=%d; periodSizeInFrames=%d\n", attr.maxlength, attr.tlength, attr.prebuf, attr.minreq, attr.fragsize, pDescriptorCapture->periodSizeInFrames);
pDevice->pulse.pStreamCapture = ma_device__pa_stream_new__pulse(pDevice, pConfig->pulse.pStreamNameCapture, &ss, &cmap);
if (pDevice->pulse.pStreamCapture == NULL) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[PulseAudio] Failed to create PulseAudio capture stream.\n");
result = MA_ERROR;
goto on_error0;
}
((ma_pa_stream_set_read_callback_proc)pDevice->pContext->pulse.pa_stream_set_read_callback)((ma_pa_stream*)pDevice->pulse.pStreamCapture, ma_device_on_read__pulse, pDevice);
((ma_pa_stream_set_suspended_callback_proc)pDevice->pContext->pulse.pa_stream_set_suspended_callback)((ma_pa_stream*)pDevice->pulse.pStreamCapture, ma_device_on_suspended__pulse, pDevice);
((ma_pa_stream_set_moved_callback_proc)pDevice->pContext->pulse.pa_stream_set_moved_callback)((ma_pa_stream*)pDevice->pulse.pStreamCapture, ma_device_on_rerouted__pulse, pDevice);
if (devCapture != NULL) {
streamFlags |= MA_PA_STREAM_DONT_MOVE;
}
error = ((ma_pa_stream_connect_record_proc)pDevice->pContext->pulse.pa_stream_connect_record)((ma_pa_stream*)pDevice->pulse.pStreamCapture, devCapture, &attr, (ma_pa_stream_flags_t)streamFlags);
if (error != MA_PA_OK) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[PulseAudio] Failed to connect PulseAudio capture stream.");
result = ma_result_from_pulse(error);
goto on_error1;
}
result = ma_wait_for_pa_stream_to_connect__pulse(pDevice->pContext, pDevice->pulse.pMainLoop, (ma_pa_stream*)pDevice->pulse.pStreamCapture);
if (result != MA_SUCCESS) {
goto on_error2;
}
pActualSS = ((ma_pa_stream_get_sample_spec_proc)pDevice->pContext->pulse.pa_stream_get_sample_spec)((ma_pa_stream*)pDevice->pulse.pStreamCapture);
if (pActualSS != NULL) {
ss = *pActualSS;
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, "[PulseAudio] Capture sample spec: format=%s, channels=%d, rate=%d\n", ma_get_format_name(ma_format_from_pulse(ss.format)), ss.channels, ss.rate);
} else {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, "[PulseAudio] Failed to retrieve capture sample spec.\n");
}
pDescriptorCapture->format = ma_format_from_pulse(ss.format);
pDescriptorCapture->channels = ss.channels;
pDescriptorCapture->sampleRate = ss.rate;
if (pDescriptorCapture->format == ma_format_unknown || pDescriptorCapture->channels == 0 || pDescriptorCapture->sampleRate == 0) {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[PulseAudio] Capture sample spec is invalid. Device unusable by miniaudio. format=%s, channels=%d, sampleRate=%d.\n", ma_get_format_name(pDescriptorCapture->format), pDescriptorCapture->channels, pDescriptorCapture->sampleRate);
result = MA_ERROR;
goto on_error4;
}
pActualChannelMap = ((ma_pa_stream_get_channel_map_proc)pDevice->pContext->pulse.pa_stream_get_channel_map)((ma_pa_stream*)pDevice->pulse.pStreamCapture);
if (pActualChannelMap == NULL) {
pActualChannelMap = &cmap;
}
if (pDescriptorCapture->channels > 2) {
for (iChannel = 0; iChannel < pDescriptorCapture->channels; iChannel += 1) {
pDescriptorCapture->channelMap[iChannel] = ma_channel_position_from_pulse(pActualChannelMap->map[iChannel]);
}
} else {
if (pDescriptorCapture->channels == 1) {
pDescriptorCapture->channelMap[0] = MA_CHANNEL_MONO;
} else if (pDescriptorCapture->channels == 2) {
pDescriptorCapture->channelMap[0] = MA_CHANNEL_FRONT_LEFT;
pDescriptorCapture->channelMap[1] = MA_CHANNEL_FRONT_RIGHT;
} else {
MA_ASSERT(MA_FALSE);
}
}
pActualAttr = ((ma_pa_stream_get_buffer_attr_proc)pDevice->pContext->pulse.pa_stream_get_buffer_attr)((ma_pa_stream*)pDevice->pulse.pStreamCapture);
if (pActualAttr != NULL) {
attr = *pActualAttr;
}
if (attr.fragsize > 0) {
pDescriptorCapture->periodCount = ma_max(attr.maxlength / attr.fragsize, 1);
} else {
pDescriptorCapture->periodCount = 1;
}
pDescriptorCapture->periodSizeInFrames = attr.maxlength / ma_get_bytes_per_frame(pDescriptorCapture->format, pDescriptorCapture->channels) / pDescriptorCapture->periodCount;
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, "[PulseAudio] Capture actual attr: maxlength=%d, tlength=%d, prebuf=%d, minreq=%d, fragsize=%d; periodSizeInFrames=%d\n", attr.maxlength, attr.tlength, attr.prebuf, attr.minreq, attr.fragsize, pDescriptorCapture->periodSizeInFrames);
}
if (pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex) {
result = ma_context_get_sink_info__pulse(pDevice->pContext, devPlayback, &sinkInfo);
if (result != MA_SUCCESS) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[PulseAudio] Failed to retrieve sink info for playback device.\n");
goto on_error2;
}
ss = sinkInfo.sample_spec;
cmap = sinkInfo.channel_map;
if (pDescriptorPlayback->channels != 0) {
ss.channels = pDescriptorPlayback->channels;
}
if (ss.channels > 32) {
ss.channels = 32;
}
((ma_pa_channel_map_init_extend_proc)pDevice->pContext->pulse.pa_channel_map_init_extend)(&cmap, ss.channels, (ma_pa_channel_map_def_t)pConfig->pulse.channelMap);
if (pDescriptorPlayback->sampleRate != 0) {
ss.rate = pDescriptorPlayback->sampleRate;
}
streamFlags = MA_PA_STREAM_START_CORKED | MA_PA_STREAM_ADJUST_LATENCY;
if (ma_format_from_pulse(ss.format) == ma_format_unknown) {
if (ma_is_little_endian()) {
ss.format = MA_PA_SAMPLE_FLOAT32LE;
} else {
ss.format = MA_PA_SAMPLE_FLOAT32BE;
}
streamFlags |= MA_PA_STREAM_FIX_FORMAT;
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, "[PulseAudio] sample_spec.format not supported by miniaudio. Defaulting to PA_SAMPLE_FLOAT32.\n");
}
if (ss.rate == 0) {
ss.rate = MA_DEFAULT_SAMPLE_RATE;
streamFlags |= MA_PA_STREAM_FIX_RATE;
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, "[PulseAudio] sample_spec.rate = 0. Defaulting to %d.\n", ss.rate);
}
if (ss.channels == 0) {
ss.channels = MA_DEFAULT_CHANNELS;
streamFlags |= MA_PA_STREAM_FIX_CHANNELS;
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, "[PulseAudio] sample_spec.channels = 0. Defaulting to %d.\n", ss.channels);
}
pDescriptorPlayback->periodSizeInFrames = ma_calculate_period_size_in_frames_from_descriptor__pulse(pDescriptorPlayback, ss.rate, pConfig->performanceProfile);
attr = ma_device__pa_buffer_attr_new(pDescriptorPlayback->periodSizeInFrames, pDescriptorPlayback->periodCount, &ss);
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, "[PulseAudio] Playback attr: maxlength=%d, tlength=%d, prebuf=%d, minreq=%d, fragsize=%d; periodSizeInFrames=%d\n", attr.maxlength, attr.tlength, attr.prebuf, attr.minreq, attr.fragsize, pDescriptorPlayback->periodSizeInFrames);
pDevice->pulse.pStreamPlayback = ma_device__pa_stream_new__pulse(pDevice, pConfig->pulse.pStreamNamePlayback, &ss, &cmap);
if (pDevice->pulse.pStreamPlayback == NULL) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[PulseAudio] Failed to create PulseAudio playback stream.\n");
result = MA_ERROR;
goto on_error2;
}
((ma_pa_stream_set_write_callback_proc)pDevice->pContext->pulse.pa_stream_set_write_callback)((ma_pa_stream*)pDevice->pulse.pStreamPlayback, ma_device_on_write__pulse, pDevice);
((ma_pa_stream_set_suspended_callback_proc)pDevice->pContext->pulse.pa_stream_set_suspended_callback)((ma_pa_stream*)pDevice->pulse.pStreamPlayback, ma_device_on_suspended__pulse, pDevice);
((ma_pa_stream_set_moved_callback_proc)pDevice->pContext->pulse.pa_stream_set_moved_callback)((ma_pa_stream*)pDevice->pulse.pStreamPlayback, ma_device_on_rerouted__pulse, pDevice);
if (devPlayback != NULL) {
streamFlags |= MA_PA_STREAM_DONT_MOVE;
}
error = ((ma_pa_stream_connect_playback_proc)pDevice->pContext->pulse.pa_stream_connect_playback)((ma_pa_stream*)pDevice->pulse.pStreamPlayback, devPlayback, &attr, (ma_pa_stream_flags_t)streamFlags, NULL, NULL);
if (error != MA_PA_OK) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[PulseAudio] Failed to connect PulseAudio playback stream.");
result = ma_result_from_pulse(error);
goto on_error3;
}
result = ma_wait_for_pa_stream_to_connect__pulse(pDevice->pContext, pDevice->pulse.pMainLoop, (ma_pa_stream*)pDevice->pulse.pStreamPlayback);
if (result != MA_SUCCESS) {
goto on_error3;
}
pActualSS = ((ma_pa_stream_get_sample_spec_proc)pDevice->pContext->pulse.pa_stream_get_sample_spec)((ma_pa_stream*)pDevice->pulse.pStreamPlayback);
if (pActualSS != NULL) {
ss = *pActualSS;
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, "[PulseAudio] Playback sample spec: format=%s, channels=%d, rate=%d\n", ma_get_format_name(ma_format_from_pulse(ss.format)), ss.channels, ss.rate);
} else {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, "[PulseAudio] Failed to retrieve playback sample spec.\n");
}
pDescriptorPlayback->format = ma_format_from_pulse(ss.format);
pDescriptorPlayback->channels = ss.channels;
pDescriptorPlayback->sampleRate = ss.rate;
if (pDescriptorPlayback->format == ma_format_unknown || pDescriptorPlayback->channels == 0 || pDescriptorPlayback->sampleRate == 0) {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[PulseAudio] Playback sample spec is invalid. Device unusable by miniaudio. format=%s, channels=%d, sampleRate=%d.\n", ma_get_format_name(pDescriptorPlayback->format), pDescriptorPlayback->channels, pDescriptorPlayback->sampleRate);
result = MA_ERROR;
goto on_error4;
}
pActualChannelMap = ((ma_pa_stream_get_channel_map_proc)pDevice->pContext->pulse.pa_stream_get_channel_map)((ma_pa_stream*)pDevice->pulse.pStreamPlayback);
if (pActualChannelMap == NULL) {
pActualChannelMap = &cmap;
}
if (pDescriptorPlayback->channels > 2) {
for (iChannel = 0; iChannel < pDescriptorPlayback->channels; iChannel += 1) {
pDescriptorPlayback->channelMap[iChannel] = ma_channel_position_from_pulse(pActualChannelMap->map[iChannel]);
}
} else {
if (pDescriptorPlayback->channels == 1) {
pDescriptorPlayback->channelMap[0] = MA_CHANNEL_MONO;
} else if (pDescriptorPlayback->channels == 2) {
pDescriptorPlayback->channelMap[0] = MA_CHANNEL_FRONT_LEFT;
pDescriptorPlayback->channelMap[1] = MA_CHANNEL_FRONT_RIGHT;
} else {
MA_ASSERT(MA_FALSE);
}
}
pActualAttr = ((ma_pa_stream_get_buffer_attr_proc)pDevice->pContext->pulse.pa_stream_get_buffer_attr)((ma_pa_stream*)pDevice->pulse.pStreamPlayback);
if (pActualAttr != NULL) {
attr = *pActualAttr;
}
if (attr.tlength > 0) {
pDescriptorPlayback->periodCount = ma_max(attr.maxlength / attr.tlength, 1);
} else {
pDescriptorPlayback->periodCount = 1;
}
pDescriptorPlayback->periodSizeInFrames = attr.maxlength / ma_get_bytes_per_frame(pDescriptorPlayback->format, pDescriptorPlayback->channels) / pDescriptorPlayback->periodCount;
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, "[PulseAudio] Playback actual attr: maxlength=%d, tlength=%d, prebuf=%d, minreq=%d, fragsize=%d; internalPeriodSizeInFrames=%d\n", attr.maxlength, attr.tlength, attr.prebuf, attr.minreq, attr.fragsize, pDescriptorPlayback->periodSizeInFrames);
}
if (pConfig->deviceType == ma_device_type_duplex) {
ma_format rbFormat = (format != ma_format_unknown) ? format : pDescriptorCapture->format;
ma_uint32 rbChannels = (channels > 0) ? channels : pDescriptorCapture->channels;
ma_uint32 rbSampleRate = (sampleRate > 0) ? sampleRate : pDescriptorCapture->sampleRate;
result = ma_duplex_rb_init(rbFormat, rbChannels, rbSampleRate, pDescriptorCapture->sampleRate, pDescriptorCapture->periodSizeInFrames, &pDevice->pContext->allocationCallbacks, &pDevice->duplexRB);
if (result != MA_SUCCESS) {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[PulseAudio] Failed to initialize ring buffer. %s.\n", ma_result_description(result));
goto on_error4;
}
}
return MA_SUCCESS;
on_error4:
if (pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex) {
((ma_pa_stream_disconnect_proc)pDevice->pContext->pulse.pa_stream_disconnect)((ma_pa_stream*)pDevice->pulse.pStreamPlayback);
}
on_error3:
if (pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex) {
((ma_pa_stream_unref_proc)pDevice->pContext->pulse.pa_stream_unref)((ma_pa_stream*)pDevice->pulse.pStreamPlayback);
}
on_error2:
if (pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex) {
((ma_pa_stream_disconnect_proc)pDevice->pContext->pulse.pa_stream_disconnect)((ma_pa_stream*)pDevice->pulse.pStreamCapture);
}
on_error1:
if (pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex) {
((ma_pa_stream_unref_proc)pDevice->pContext->pulse.pa_stream_unref)((ma_pa_stream*)pDevice->pulse.pStreamCapture);
}
on_error0:
return result;
}
static void ma_pulse_operation_complete_callback(ma_pa_stream* pStream, int success, void* pUserData)
{
ma_bool32* pIsSuccessful = (ma_bool32*)pUserData;
MA_ASSERT(pIsSuccessful != NULL);
*pIsSuccessful = (ma_bool32)success;
(void)pStream;
}
static ma_result ma_device__cork_stream__pulse(ma_device* pDevice, ma_device_type deviceType, int cork)
{
ma_context* pContext = pDevice->pContext;
ma_bool32 wasSuccessful;
ma_pa_stream* pStream;
ma_pa_operation* pOP;
ma_result result;
if (deviceType == ma_device_type_duplex) {
return MA_INVALID_ARGS;
}
wasSuccessful = MA_FALSE;
pStream = (ma_pa_stream*)((deviceType == ma_device_type_capture) ? pDevice->pulse.pStreamCapture : pDevice->pulse.pStreamPlayback);
MA_ASSERT(pStream != NULL);
pOP = ((ma_pa_stream_cork_proc)pContext->pulse.pa_stream_cork)(pStream, cork, ma_pulse_operation_complete_callback, &wasSuccessful);
if (pOP == NULL) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[PulseAudio] Failed to cork PulseAudio stream.");
return MA_ERROR;
}
result = ma_wait_for_operation_and_unref__pulse(pDevice->pContext, pDevice->pulse.pMainLoop, pOP);
if (result != MA_SUCCESS) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[PulseAudio] An error occurred while waiting for the PulseAudio stream to cork.");
return result;
}
if (!wasSuccessful) {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[PulseAudio] Failed to %s PulseAudio stream.", (cork) ? "stop" : "start");
return MA_ERROR;
}
return MA_SUCCESS;
}
static ma_result ma_device_start__pulse(ma_device* pDevice)
{
ma_result result;
MA_ASSERT(pDevice != NULL);
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
result = ma_device__cork_stream__pulse(pDevice, ma_device_type_capture, 0);
if (result != MA_SUCCESS) {
return result;
}
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
ma_device_write_to_stream__pulse(pDevice, (ma_pa_stream*)(pDevice->pulse.pStreamPlayback), NULL);
result = ma_device__cork_stream__pulse(pDevice, ma_device_type_playback, 0);
if (result != MA_SUCCESS) {
return result;
}
}
return MA_SUCCESS;
}
static ma_result ma_device_stop__pulse(ma_device* pDevice)
{
ma_result result;
MA_ASSERT(pDevice != NULL);
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
result = ma_device__cork_stream__pulse(pDevice, ma_device_type_capture, 1);
if (result != MA_SUCCESS) {
return result;
}
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
#if 0
ma_pa_operation* pOP = ((ma_pa_stream_drain_proc)pDevice->pContext->pulse.pa_stream_drain)((ma_pa_stream*)pDevice->pulse.pStreamPlayback, ma_pulse_operation_complete_callback, &wasSuccessful);
ma_wait_for_operation_and_unref__pulse(pDevice->pContext, pDevice->pulse.pMainLoop, pOP);
#endif
result = ma_device__cork_stream__pulse(pDevice, ma_device_type_playback, 1);
if (result != MA_SUCCESS) {
return result;
}
}
return MA_SUCCESS;
}
static ma_result ma_device_data_loop__pulse(ma_device* pDevice)
{
int resultPA;
MA_ASSERT(pDevice != NULL);
while (ma_device_get_state(pDevice) == ma_device_state_started) {
resultPA = ((ma_pa_mainloop_iterate_proc)pDevice->pContext->pulse.pa_mainloop_iterate)((ma_pa_mainloop*)pDevice->pulse.pMainLoop, 1, NULL);
if (resultPA < 0) {
break;
}
}
return MA_SUCCESS;
}
static ma_result ma_device_data_loop_wakeup__pulse(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
((ma_pa_mainloop_wakeup_proc)pDevice->pContext->pulse.pa_mainloop_wakeup)((ma_pa_mainloop*)pDevice->pulse.pMainLoop);
return MA_SUCCESS;
}
static ma_result ma_context_uninit__pulse(ma_context* pContext)
{
MA_ASSERT(pContext != NULL);
MA_ASSERT(pContext->backend == ma_backend_pulseaudio);
((ma_pa_context_disconnect_proc)pContext->pulse.pa_context_disconnect)((ma_pa_context*)pContext->pulse.pPulseContext);
((ma_pa_context_unref_proc)pContext->pulse.pa_context_unref)((ma_pa_context*)pContext->pulse.pPulseContext);
((ma_pa_mainloop_free_proc)pContext->pulse.pa_mainloop_free)((ma_pa_mainloop*)pContext->pulse.pMainLoop);
ma_free(pContext->pulse.pServerName, &pContext->allocationCallbacks);
ma_free(pContext->pulse.pApplicationName, &pContext->allocationCallbacks);
#ifndef MA_NO_RUNTIME_LINKING
ma_dlclose(ma_context_get_log(pContext), pContext->pulse.pulseSO);
#endif
return MA_SUCCESS;
}
static ma_result ma_context_init__pulse(ma_context* pContext, const ma_context_config* pConfig, ma_backend_callbacks* pCallbacks)
{
ma_result result;
#ifndef MA_NO_RUNTIME_LINKING
const char* libpulseNames[] = {
"libpulse.so",
"libpulse.so.0"
};
size_t i;
for (i = 0; i < ma_countof(libpulseNames); ++i) {
pContext->pulse.pulseSO = ma_dlopen(ma_context_get_log(pContext), libpulseNames[i]);
if (pContext->pulse.pulseSO != NULL) {
break;
}
}
if (pContext->pulse.pulseSO == NULL) {
return MA_NO_BACKEND;
}
pContext->pulse.pa_mainloop_new = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_mainloop_new");
pContext->pulse.pa_mainloop_free = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_mainloop_free");
pContext->pulse.pa_mainloop_quit = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_mainloop_quit");
pContext->pulse.pa_mainloop_get_api = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_mainloop_get_api");
pContext->pulse.pa_mainloop_iterate = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_mainloop_iterate");
pContext->pulse.pa_mainloop_wakeup = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_mainloop_wakeup");
pContext->pulse.pa_threaded_mainloop_new = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_threaded_mainloop_new");
pContext->pulse.pa_threaded_mainloop_free = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_threaded_mainloop_free");
pContext->pulse.pa_threaded_mainloop_start = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_threaded_mainloop_start");
pContext->pulse.pa_threaded_mainloop_stop = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_threaded_mainloop_stop");
pContext->pulse.pa_threaded_mainloop_lock = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_threaded_mainloop_lock");
pContext->pulse.pa_threaded_mainloop_unlock = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_threaded_mainloop_unlock");
pContext->pulse.pa_threaded_mainloop_wait = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_threaded_mainloop_wait");
pContext->pulse.pa_threaded_mainloop_signal = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_threaded_mainloop_signal");
pContext->pulse.pa_threaded_mainloop_accept = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_threaded_mainloop_accept");
pContext->pulse.pa_threaded_mainloop_get_retval = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_threaded_mainloop_get_retval");
pContext->pulse.pa_threaded_mainloop_get_api = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_threaded_mainloop_get_api");
pContext->pulse.pa_threaded_mainloop_in_thread = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_threaded_mainloop_in_thread");
pContext->pulse.pa_threaded_mainloop_set_name = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_threaded_mainloop_set_name");
pContext->pulse.pa_context_new = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_context_new");
pContext->pulse.pa_context_unref = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_context_unref");
pContext->pulse.pa_context_connect = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_context_connect");
pContext->pulse.pa_context_disconnect = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_context_disconnect");
pContext->pulse.pa_context_set_state_callback = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_context_set_state_callback");
pContext->pulse.pa_context_get_state = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_context_get_state");
pContext->pulse.pa_context_get_sink_info_list = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_context_get_sink_info_list");
pContext->pulse.pa_context_get_source_info_list = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_context_get_source_info_list");
pContext->pulse.pa_context_get_sink_info_by_name = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_context_get_sink_info_by_name");
pContext->pulse.pa_context_get_source_info_by_name = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_context_get_source_info_by_name");
pContext->pulse.pa_operation_unref = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_operation_unref");
pContext->pulse.pa_operation_get_state = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_operation_get_state");
pContext->pulse.pa_channel_map_init_extend = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_channel_map_init_extend");
pContext->pulse.pa_channel_map_valid = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_channel_map_valid");
pContext->pulse.pa_channel_map_compatible = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_channel_map_compatible");
pContext->pulse.pa_stream_new = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_stream_new");
pContext->pulse.pa_stream_unref = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_stream_unref");
pContext->pulse.pa_stream_connect_playback = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_stream_connect_playback");
pContext->pulse.pa_stream_connect_record = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_stream_connect_record");
pContext->pulse.pa_stream_disconnect = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_stream_disconnect");
pContext->pulse.pa_stream_get_state = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_stream_get_state");
pContext->pulse.pa_stream_get_sample_spec = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_stream_get_sample_spec");
pContext->pulse.pa_stream_get_channel_map = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_stream_get_channel_map");
pContext->pulse.pa_stream_get_buffer_attr = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_stream_get_buffer_attr");
pContext->pulse.pa_stream_set_buffer_attr = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_stream_set_buffer_attr");
pContext->pulse.pa_stream_get_device_name = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_stream_get_device_name");
pContext->pulse.pa_stream_set_write_callback = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_stream_set_write_callback");
pContext->pulse.pa_stream_set_read_callback = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_stream_set_read_callback");
pContext->pulse.pa_stream_set_suspended_callback = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_stream_set_suspended_callback");
pContext->pulse.pa_stream_set_moved_callback = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_stream_set_moved_callback");
pContext->pulse.pa_stream_is_suspended = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_stream_is_suspended");
pContext->pulse.pa_stream_flush = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_stream_flush");
pContext->pulse.pa_stream_drain = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_stream_drain");
pContext->pulse.pa_stream_is_corked = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_stream_is_corked");
pContext->pulse.pa_stream_cork = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_stream_cork");
pContext->pulse.pa_stream_trigger = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_stream_trigger");
pContext->pulse.pa_stream_begin_write = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_stream_begin_write");
pContext->pulse.pa_stream_write = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_stream_write");
pContext->pulse.pa_stream_peek = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_stream_peek");
pContext->pulse.pa_stream_drop = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_stream_drop");
pContext->pulse.pa_stream_writable_size = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_stream_writable_size");
pContext->pulse.pa_stream_readable_size = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->pulse.pulseSO, "pa_stream_readable_size");
#else
ma_pa_mainloop_new_proc _pa_mainloop_new = pa_mainloop_new;
ma_pa_mainloop_free_proc _pa_mainloop_free = pa_mainloop_free;
ma_pa_mainloop_quit_proc _pa_mainloop_quit = pa_mainloop_quit;
ma_pa_mainloop_get_api_proc _pa_mainloop_get_api = pa_mainloop_get_api;
ma_pa_mainloop_iterate_proc _pa_mainloop_iterate = pa_mainloop_iterate;
ma_pa_mainloop_wakeup_proc _pa_mainloop_wakeup = pa_mainloop_wakeup;
ma_pa_threaded_mainloop_new_proc _pa_threaded_mainloop_new = pa_threaded_mainloop_new;
ma_pa_threaded_mainloop_free_proc _pa_threaded_mainloop_free = pa_threaded_mainloop_free;
ma_pa_threaded_mainloop_start_proc _pa_threaded_mainloop_start = pa_threaded_mainloop_start;
ma_pa_threaded_mainloop_stop_proc _pa_threaded_mainloop_stop = pa_threaded_mainloop_stop;
ma_pa_threaded_mainloop_lock_proc _pa_threaded_mainloop_lock = pa_threaded_mainloop_lock;
ma_pa_threaded_mainloop_unlock_proc _pa_threaded_mainloop_unlock = pa_threaded_mainloop_unlock;
ma_pa_threaded_mainloop_wait_proc _pa_threaded_mainloop_wait = pa_threaded_mainloop_wait;
ma_pa_threaded_mainloop_signal_proc _pa_threaded_mainloop_signal = pa_threaded_mainloop_signal;
ma_pa_threaded_mainloop_accept_proc _pa_threaded_mainloop_accept = pa_threaded_mainloop_accept;
ma_pa_threaded_mainloop_get_retval_proc _pa_threaded_mainloop_get_retval = pa_threaded_mainloop_get_retval;
ma_pa_threaded_mainloop_get_api_proc _pa_threaded_mainloop_get_api = pa_threaded_mainloop_get_api;
ma_pa_threaded_mainloop_in_thread_proc _pa_threaded_mainloop_in_thread = pa_threaded_mainloop_in_thread;
ma_pa_threaded_mainloop_set_name_proc _pa_threaded_mainloop_set_name = pa_threaded_mainloop_set_name;
ma_pa_context_new_proc _pa_context_new = pa_context_new;
ma_pa_context_unref_proc _pa_context_unref = pa_context_unref;
ma_pa_context_connect_proc _pa_context_connect = pa_context_connect;
ma_pa_context_disconnect_proc _pa_context_disconnect = pa_context_disconnect;
ma_pa_context_set_state_callback_proc _pa_context_set_state_callback = pa_context_set_state_callback;
ma_pa_context_get_state_proc _pa_context_get_state = pa_context_get_state;
ma_pa_context_get_sink_info_list_proc _pa_context_get_sink_info_list = pa_context_get_sink_info_list;
ma_pa_context_get_source_info_list_proc _pa_context_get_source_info_list = pa_context_get_source_info_list;
ma_pa_context_get_sink_info_by_name_proc _pa_context_get_sink_info_by_name = pa_context_get_sink_info_by_name;
ma_pa_context_get_source_info_by_name_proc _pa_context_get_source_info_by_name= pa_context_get_source_info_by_name;
ma_pa_operation_unref_proc _pa_operation_unref = pa_operation_unref;
ma_pa_operation_get_state_proc _pa_operation_get_state = pa_operation_get_state;
ma_pa_channel_map_init_extend_proc _pa_channel_map_init_extend = pa_channel_map_init_extend;
ma_pa_channel_map_valid_proc _pa_channel_map_valid = pa_channel_map_valid;
ma_pa_channel_map_compatible_proc _pa_channel_map_compatible = pa_channel_map_compatible;
ma_pa_stream_new_proc _pa_stream_new = pa_stream_new;
ma_pa_stream_unref_proc _pa_stream_unref = pa_stream_unref;
ma_pa_stream_connect_playback_proc _pa_stream_connect_playback = pa_stream_connect_playback;
ma_pa_stream_connect_record_proc _pa_stream_connect_record = pa_stream_connect_record;
ma_pa_stream_disconnect_proc _pa_stream_disconnect = pa_stream_disconnect;
ma_pa_stream_get_state_proc _pa_stream_get_state = pa_stream_get_state;
ma_pa_stream_get_sample_spec_proc _pa_stream_get_sample_spec = pa_stream_get_sample_spec;
ma_pa_stream_get_channel_map_proc _pa_stream_get_channel_map = pa_stream_get_channel_map;
ma_pa_stream_get_buffer_attr_proc _pa_stream_get_buffer_attr = pa_stream_get_buffer_attr;
ma_pa_stream_set_buffer_attr_proc _pa_stream_set_buffer_attr = pa_stream_set_buffer_attr;
ma_pa_stream_get_device_name_proc _pa_stream_get_device_name = pa_stream_get_device_name;
ma_pa_stream_set_write_callback_proc _pa_stream_set_write_callback = pa_stream_set_write_callback;
ma_pa_stream_set_read_callback_proc _pa_stream_set_read_callback = pa_stream_set_read_callback;
ma_pa_stream_set_suspended_callback_proc _pa_stream_set_suspended_callback = pa_stream_set_suspended_callback;
ma_pa_stream_set_moved_callback_proc _pa_stream_set_moved_callback = pa_stream_set_moved_callback;
ma_pa_stream_is_suspended_proc _pa_stream_is_suspended = pa_stream_is_suspended;
ma_pa_stream_flush_proc _pa_stream_flush = pa_stream_flush;
ma_pa_stream_drain_proc _pa_stream_drain = pa_stream_drain;
ma_pa_stream_is_corked_proc _pa_stream_is_corked = pa_stream_is_corked;
ma_pa_stream_cork_proc _pa_stream_cork = pa_stream_cork;
ma_pa_stream_trigger_proc _pa_stream_trigger = pa_stream_trigger;
ma_pa_stream_begin_write_proc _pa_stream_begin_write = pa_stream_begin_write;
ma_pa_stream_write_proc _pa_stream_write = pa_stream_write;
ma_pa_stream_peek_proc _pa_stream_peek = pa_stream_peek;
ma_pa_stream_drop_proc _pa_stream_drop = pa_stream_drop;
ma_pa_stream_writable_size_proc _pa_stream_writable_size = pa_stream_writable_size;
ma_pa_stream_readable_size_proc _pa_stream_readable_size = pa_stream_readable_size;
pContext->pulse.pa_mainloop_new = (ma_proc)_pa_mainloop_new;
pContext->pulse.pa_mainloop_free = (ma_proc)_pa_mainloop_free;
pContext->pulse.pa_mainloop_quit = (ma_proc)_pa_mainloop_quit;
pContext->pulse.pa_mainloop_get_api = (ma_proc)_pa_mainloop_get_api;
pContext->pulse.pa_mainloop_iterate = (ma_proc)_pa_mainloop_iterate;
pContext->pulse.pa_mainloop_wakeup = (ma_proc)_pa_mainloop_wakeup;
pContext->pulse.pa_threaded_mainloop_new = (ma_proc)_pa_threaded_mainloop_new;
pContext->pulse.pa_threaded_mainloop_free = (ma_proc)_pa_threaded_mainloop_free;
pContext->pulse.pa_threaded_mainloop_start = (ma_proc)_pa_threaded_mainloop_start;
pContext->pulse.pa_threaded_mainloop_stop = (ma_proc)_pa_threaded_mainloop_stop;
pContext->pulse.pa_threaded_mainloop_lock = (ma_proc)_pa_threaded_mainloop_lock;
pContext->pulse.pa_threaded_mainloop_unlock = (ma_proc)_pa_threaded_mainloop_unlock;
pContext->pulse.pa_threaded_mainloop_wait = (ma_proc)_pa_threaded_mainloop_wait;
pContext->pulse.pa_threaded_mainloop_signal = (ma_proc)_pa_threaded_mainloop_signal;
pContext->pulse.pa_threaded_mainloop_accept = (ma_proc)_pa_threaded_mainloop_accept;
pContext->pulse.pa_threaded_mainloop_get_retval = (ma_proc)_pa_threaded_mainloop_get_retval;
pContext->pulse.pa_threaded_mainloop_get_api = (ma_proc)_pa_threaded_mainloop_get_api;
pContext->pulse.pa_threaded_mainloop_in_thread = (ma_proc)_pa_threaded_mainloop_in_thread;
pContext->pulse.pa_threaded_mainloop_set_name = (ma_proc)_pa_threaded_mainloop_set_name;
pContext->pulse.pa_context_new = (ma_proc)_pa_context_new;
pContext->pulse.pa_context_unref = (ma_proc)_pa_context_unref;
pContext->pulse.pa_context_connect = (ma_proc)_pa_context_connect;
pContext->pulse.pa_context_disconnect = (ma_proc)_pa_context_disconnect;
pContext->pulse.pa_context_set_state_callback = (ma_proc)_pa_context_set_state_callback;
pContext->pulse.pa_context_get_state = (ma_proc)_pa_context_get_state;
pContext->pulse.pa_context_get_sink_info_list = (ma_proc)_pa_context_get_sink_info_list;
pContext->pulse.pa_context_get_source_info_list = (ma_proc)_pa_context_get_source_info_list;
pContext->pulse.pa_context_get_sink_info_by_name = (ma_proc)_pa_context_get_sink_info_by_name;
pContext->pulse.pa_context_get_source_info_by_name = (ma_proc)_pa_context_get_source_info_by_name;
pContext->pulse.pa_operation_unref = (ma_proc)_pa_operation_unref;
pContext->pulse.pa_operation_get_state = (ma_proc)_pa_operation_get_state;
pContext->pulse.pa_channel_map_init_extend = (ma_proc)_pa_channel_map_init_extend;
pContext->pulse.pa_channel_map_valid = (ma_proc)_pa_channel_map_valid;
pContext->pulse.pa_channel_map_compatible = (ma_proc)_pa_channel_map_compatible;
pContext->pulse.pa_stream_new = (ma_proc)_pa_stream_new;
pContext->pulse.pa_stream_unref = (ma_proc)_pa_stream_unref;
pContext->pulse.pa_stream_connect_playback = (ma_proc)_pa_stream_connect_playback;
pContext->pulse.pa_stream_connect_record = (ma_proc)_pa_stream_connect_record;
pContext->pulse.pa_stream_disconnect = (ma_proc)_pa_stream_disconnect;
pContext->pulse.pa_stream_get_state = (ma_proc)_pa_stream_get_state;
pContext->pulse.pa_stream_get_sample_spec = (ma_proc)_pa_stream_get_sample_spec;
pContext->pulse.pa_stream_get_channel_map = (ma_proc)_pa_stream_get_channel_map;
pContext->pulse.pa_stream_get_buffer_attr = (ma_proc)_pa_stream_get_buffer_attr;
pContext->pulse.pa_stream_set_buffer_attr = (ma_proc)_pa_stream_set_buffer_attr;
pContext->pulse.pa_stream_get_device_name = (ma_proc)_pa_stream_get_device_name;
pContext->pulse.pa_stream_set_write_callback = (ma_proc)_pa_stream_set_write_callback;
pContext->pulse.pa_stream_set_read_callback = (ma_proc)_pa_stream_set_read_callback;
pContext->pulse.pa_stream_set_suspended_callback = (ma_proc)_pa_stream_set_suspended_callback;
pContext->pulse.pa_stream_set_moved_callback = (ma_proc)_pa_stream_set_moved_callback;
pContext->pulse.pa_stream_is_suspended = (ma_proc)_pa_stream_is_suspended;
pContext->pulse.pa_stream_flush = (ma_proc)_pa_stream_flush;
pContext->pulse.pa_stream_drain = (ma_proc)_pa_stream_drain;
pContext->pulse.pa_stream_is_corked = (ma_proc)_pa_stream_is_corked;
pContext->pulse.pa_stream_cork = (ma_proc)_pa_stream_cork;
pContext->pulse.pa_stream_trigger = (ma_proc)_pa_stream_trigger;
pContext->pulse.pa_stream_begin_write = (ma_proc)_pa_stream_begin_write;
pContext->pulse.pa_stream_write = (ma_proc)_pa_stream_write;
pContext->pulse.pa_stream_peek = (ma_proc)_pa_stream_peek;
pContext->pulse.pa_stream_drop = (ma_proc)_pa_stream_drop;
pContext->pulse.pa_stream_writable_size = (ma_proc)_pa_stream_writable_size;
pContext->pulse.pa_stream_readable_size = (ma_proc)_pa_stream_readable_size;
#endif
pContext->pulse.pApplicationName = ma_copy_string(pConfig->pulse.pApplicationName, &pContext->allocationCallbacks);
if (pContext->pulse.pApplicationName == NULL && pConfig->pulse.pApplicationName != NULL) {
return MA_OUT_OF_MEMORY;
}
pContext->pulse.pServerName = ma_copy_string(pConfig->pulse.pServerName, &pContext->allocationCallbacks);
if (pContext->pulse.pServerName == NULL && pConfig->pulse.pServerName != NULL) {
ma_free(pContext->pulse.pApplicationName, &pContext->allocationCallbacks);
return MA_OUT_OF_MEMORY;
}
result = ma_init_pa_mainloop_and_pa_context__pulse(pContext, pConfig->pulse.pApplicationName, pConfig->pulse.pServerName, pConfig->pulse.tryAutoSpawn, &pContext->pulse.pMainLoop, &pContext->pulse.pPulseContext);
if (result != MA_SUCCESS) {
ma_free(pContext->pulse.pServerName, &pContext->allocationCallbacks);
ma_free(pContext->pulse.pApplicationName, &pContext->allocationCallbacks);
#ifndef MA_NO_RUNTIME_LINKING
ma_dlclose(ma_context_get_log(pContext), pContext->pulse.pulseSO);
#endif
return result;
}
pCallbacks->onContextInit = ma_context_init__pulse;
pCallbacks->onContextUninit = ma_context_uninit__pulse;
pCallbacks->onContextEnumerateDevices = ma_context_enumerate_devices__pulse;
pCallbacks->onContextGetDeviceInfo = ma_context_get_device_info__pulse;
pCallbacks->onDeviceInit = ma_device_init__pulse;
pCallbacks->onDeviceUninit = ma_device_uninit__pulse;
pCallbacks->onDeviceStart = ma_device_start__pulse;
pCallbacks->onDeviceStop = ma_device_stop__pulse;
pCallbacks->onDeviceRead = NULL;
pCallbacks->onDeviceWrite = NULL;
pCallbacks->onDeviceDataLoop = ma_device_data_loop__pulse;
pCallbacks->onDeviceDataLoopWakeup = ma_device_data_loop_wakeup__pulse;
return MA_SUCCESS;
}
#endif
#ifdef MA_HAS_JACK
#ifdef MA_NO_RUNTIME_LINKING
#include <jack/jack.h>
typedef jack_nframes_t ma_jack_nframes_t;
typedef jack_options_t ma_jack_options_t;
typedef jack_status_t ma_jack_status_t;
typedef jack_client_t ma_jack_client_t;
typedef jack_port_t ma_jack_port_t;
typedef JackProcessCallback ma_JackProcessCallback;
typedef JackBufferSizeCallback ma_JackBufferSizeCallback;
typedef JackShutdownCallback ma_JackShutdownCallback;
#define MA_JACK_DEFAULT_AUDIO_TYPE JACK_DEFAULT_AUDIO_TYPE
#define ma_JackNullOption JackNullOption
#define ma_JackNoStartServer JackNoStartServer
#define ma_JackPortIsInput JackPortIsInput
#define ma_JackPortIsOutput JackPortIsOutput
#define ma_JackPortIsPhysical JackPortIsPhysical
#else
typedef ma_uint32 ma_jack_nframes_t;
typedef int ma_jack_options_t;
typedef int ma_jack_status_t;
typedef struct ma_jack_client_t ma_jack_client_t;
typedef struct ma_jack_port_t ma_jack_port_t;
typedef int (* ma_JackProcessCallback) (ma_jack_nframes_t nframes, void* arg);
typedef int (* ma_JackBufferSizeCallback)(ma_jack_nframes_t nframes, void* arg);
typedef void (* ma_JackShutdownCallback) (void* arg);
#define MA_JACK_DEFAULT_AUDIO_TYPE "32 bit float mono audio"
#define ma_JackNullOption 0
#define ma_JackNoStartServer 1
#define ma_JackPortIsInput 1
#define ma_JackPortIsOutput 2
#define ma_JackPortIsPhysical 4
#endif
typedef ma_jack_client_t* (* ma_jack_client_open_proc) (const char* client_name, ma_jack_options_t options, ma_jack_status_t* status, ...);
typedef int (* ma_jack_client_close_proc) (ma_jack_client_t* client);
typedef int (* ma_jack_client_name_size_proc) (void);
typedef int (* ma_jack_set_process_callback_proc) (ma_jack_client_t* client, ma_JackProcessCallback process_callback, void* arg);
typedef int (* ma_jack_set_buffer_size_callback_proc)(ma_jack_client_t* client, ma_JackBufferSizeCallback bufsize_callback, void* arg);
typedef void (* ma_jack_on_shutdown_proc) (ma_jack_client_t* client, ma_JackShutdownCallback function, void* arg);
typedef ma_jack_nframes_t (* ma_jack_get_sample_rate_proc) (ma_jack_client_t* client);
typedef ma_jack_nframes_t (* ma_jack_get_buffer_size_proc) (ma_jack_client_t* client);
typedef const char** (* ma_jack_get_ports_proc) (ma_jack_client_t* client, const char* port_name_pattern, const char* type_name_pattern, unsigned long flags);
typedef int (* ma_jack_activate_proc) (ma_jack_client_t* client);
typedef int (* ma_jack_deactivate_proc) (ma_jack_client_t* client);
typedef int (* ma_jack_connect_proc) (ma_jack_client_t* client, const char* source_port, const char* destination_port);
typedef ma_jack_port_t* (* ma_jack_port_register_proc) (ma_jack_client_t* client, const char* port_name, const char* port_type, unsigned long flags, unsigned long buffer_size);
typedef const char* (* ma_jack_port_name_proc) (const ma_jack_port_t* port);
typedef void* (* ma_jack_port_get_buffer_proc) (ma_jack_port_t* port, ma_jack_nframes_t nframes);
typedef void (* ma_jack_free_proc) (void* ptr);
static ma_result ma_context_open_client__jack(ma_context* pContext, ma_jack_client_t** ppClient)
{
size_t maxClientNameSize;
char clientName[256];
ma_jack_status_t status;
ma_jack_client_t* pClient;
MA_ASSERT(pContext != NULL);
MA_ASSERT(ppClient != NULL);
if (ppClient) {
*ppClient = NULL;
}
maxClientNameSize = ((ma_jack_client_name_size_proc)pContext->jack.jack_client_name_size)();
ma_strncpy_s(clientName, ma_min(sizeof(clientName), maxClientNameSize), (pContext->jack.pClientName != NULL) ? pContext->jack.pClientName : "miniaudio", (size_t)-1);
pClient = ((ma_jack_client_open_proc)pContext->jack.jack_client_open)(clientName, (pContext->jack.tryStartServer) ? ma_JackNullOption : ma_JackNoStartServer, &status, NULL);
if (pClient == NULL) {
return MA_FAILED_TO_OPEN_BACKEND_DEVICE;
}
if (ppClient) {
*ppClient = pClient;
}
return MA_SUCCESS;
}
static ma_result ma_context_enumerate_devices__jack(ma_context* pContext, ma_enum_devices_callback_proc callback, void* pUserData)
{
ma_bool32 cbResult = MA_TRUE;
MA_ASSERT(pContext != NULL);
MA_ASSERT(callback != NULL);
if (cbResult) {
ma_device_info deviceInfo;
MA_ZERO_OBJECT(&deviceInfo);
ma_strncpy_s(deviceInfo.name, sizeof(deviceInfo.name), MA_DEFAULT_PLAYBACK_DEVICE_NAME, (size_t)-1);
deviceInfo.isDefault = MA_TRUE;
cbResult = callback(pContext, ma_device_type_playback, &deviceInfo, pUserData);
}
if (cbResult) {
ma_device_info deviceInfo;
MA_ZERO_OBJECT(&deviceInfo);
ma_strncpy_s(deviceInfo.name, sizeof(deviceInfo.name), MA_DEFAULT_CAPTURE_DEVICE_NAME, (size_t)-1);
deviceInfo.isDefault = MA_TRUE;
cbResult = callback(pContext, ma_device_type_capture, &deviceInfo, pUserData);
}
(void)cbResult;
return MA_SUCCESS;
}
static ma_result ma_context_get_device_info__jack(ma_context* pContext, ma_device_type deviceType, const ma_device_id* pDeviceID, ma_device_info* pDeviceInfo)
{
ma_jack_client_t* pClient;
ma_result result;
const char** ppPorts;
MA_ASSERT(pContext != NULL);
if (pDeviceID != NULL && pDeviceID->jack != 0) {
return MA_NO_DEVICE;
}
if (deviceType == ma_device_type_playback) {
ma_strncpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), MA_DEFAULT_PLAYBACK_DEVICE_NAME, (size_t)-1);
} else {
ma_strncpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), MA_DEFAULT_CAPTURE_DEVICE_NAME, (size_t)-1);
}
pDeviceInfo->isDefault = MA_TRUE;
pDeviceInfo->nativeDataFormats[0].format = ma_format_f32;
result = ma_context_open_client__jack(pContext, &pClient);
if (result != MA_SUCCESS) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[JACK] Failed to open client.");
return result;
}
pDeviceInfo->nativeDataFormats[0].sampleRate = ((ma_jack_get_sample_rate_proc)pContext->jack.jack_get_sample_rate)((ma_jack_client_t*)pClient);
pDeviceInfo->nativeDataFormats[0].channels = 0;
ppPorts = ((ma_jack_get_ports_proc)pContext->jack.jack_get_ports)((ma_jack_client_t*)pClient, NULL, MA_JACK_DEFAULT_AUDIO_TYPE, ma_JackPortIsPhysical | ((deviceType == ma_device_type_playback) ? ma_JackPortIsInput : ma_JackPortIsOutput));
if (ppPorts == NULL) {
((ma_jack_client_close_proc)pContext->jack.jack_client_close)((ma_jack_client_t*)pClient);
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[JACK] Failed to query physical ports.");
return MA_FAILED_TO_OPEN_BACKEND_DEVICE;
}
while (ppPorts[pDeviceInfo->nativeDataFormats[0].channels] != NULL) {
pDeviceInfo->nativeDataFormats[0].channels += 1;
}
pDeviceInfo->nativeDataFormats[0].flags = 0;
pDeviceInfo->nativeDataFormatCount = 1;
((ma_jack_free_proc)pContext->jack.jack_free)((void*)ppPorts);
((ma_jack_client_close_proc)pContext->jack.jack_client_close)((ma_jack_client_t*)pClient);
(void)pContext;
return MA_SUCCESS;
}
static ma_result ma_device_uninit__jack(ma_device* pDevice)
{
ma_context* pContext;
MA_ASSERT(pDevice != NULL);
pContext = pDevice->pContext;
MA_ASSERT(pContext != NULL);
if (pDevice->jack.pClient != NULL) {
((ma_jack_client_close_proc)pContext->jack.jack_client_close)((ma_jack_client_t*)pDevice->jack.pClient);
}
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
ma_free(pDevice->jack.pIntermediaryBufferCapture, &pDevice->pContext->allocationCallbacks);
ma_free(pDevice->jack.ppPortsCapture, &pDevice->pContext->allocationCallbacks);
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
ma_free(pDevice->jack.pIntermediaryBufferPlayback, &pDevice->pContext->allocationCallbacks);
ma_free(pDevice->jack.ppPortsPlayback, &pDevice->pContext->allocationCallbacks);
}
return MA_SUCCESS;
}
static void ma_device__jack_shutdown_callback(void* pUserData)
{
ma_device* pDevice = (ma_device*)pUserData;
MA_ASSERT(pDevice != NULL);
ma_device_stop(pDevice);
}
static int ma_device__jack_buffer_size_callback(ma_jack_nframes_t frameCount, void* pUserData)
{
ma_device* pDevice = (ma_device*)pUserData;
MA_ASSERT(pDevice != NULL);
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
size_t newBufferSize = frameCount * (pDevice->capture.internalChannels * ma_get_bytes_per_sample(pDevice->capture.internalFormat));
float* pNewBuffer = (float*)ma_calloc(newBufferSize, &pDevice->pContext->allocationCallbacks);
if (pNewBuffer == NULL) {
return MA_OUT_OF_MEMORY;
}
ma_free(pDevice->jack.pIntermediaryBufferCapture, &pDevice->pContext->allocationCallbacks);
pDevice->jack.pIntermediaryBufferCapture = pNewBuffer;
pDevice->playback.internalPeriodSizeInFrames = frameCount;
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
size_t newBufferSize = frameCount * (pDevice->playback.internalChannels * ma_get_bytes_per_sample(pDevice->playback.internalFormat));
float* pNewBuffer = (float*)ma_calloc(newBufferSize, &pDevice->pContext->allocationCallbacks);
if (pNewBuffer == NULL) {
return MA_OUT_OF_MEMORY;
}
ma_free(pDevice->jack.pIntermediaryBufferPlayback, &pDevice->pContext->allocationCallbacks);
pDevice->jack.pIntermediaryBufferPlayback = pNewBuffer;
pDevice->playback.internalPeriodSizeInFrames = frameCount;
}
return 0;
}
static int ma_device__jack_process_callback(ma_jack_nframes_t frameCount, void* pUserData)
{
ma_device* pDevice;
ma_context* pContext;
ma_uint32 iChannel;
pDevice = (ma_device*)pUserData;
MA_ASSERT(pDevice != NULL);
pContext = pDevice->pContext;
MA_ASSERT(pContext != NULL);
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
for (iChannel = 0; iChannel < pDevice->capture.internalChannels; ++iChannel) {
const float* pSrc = (const float*)((ma_jack_port_get_buffer_proc)pContext->jack.jack_port_get_buffer)((ma_jack_port_t*)pDevice->jack.ppPortsCapture[iChannel], frameCount);
if (pSrc != NULL) {
float* pDst = pDevice->jack.pIntermediaryBufferCapture + iChannel;
ma_jack_nframes_t iFrame;
for (iFrame = 0; iFrame < frameCount; ++iFrame) {
*pDst = *pSrc;
pDst += pDevice->capture.internalChannels;
pSrc += 1;
}
}
}
ma_device_handle_backend_data_callback(pDevice, NULL, pDevice->jack.pIntermediaryBufferCapture, frameCount);
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
ma_device_handle_backend_data_callback(pDevice, pDevice->jack.pIntermediaryBufferPlayback, NULL, frameCount);
for (iChannel = 0; iChannel < pDevice->playback.internalChannels; ++iChannel) {
float* pDst = (float*)((ma_jack_port_get_buffer_proc)pContext->jack.jack_port_get_buffer)((ma_jack_port_t*)pDevice->jack.ppPortsPlayback[iChannel], frameCount);
if (pDst != NULL) {
const float* pSrc = pDevice->jack.pIntermediaryBufferPlayback + iChannel;
ma_jack_nframes_t iFrame;
for (iFrame = 0; iFrame < frameCount; ++iFrame) {
*pDst = *pSrc;
pDst += 1;
pSrc += pDevice->playback.internalChannels;
}
}
}
}
return 0;
}
static ma_result ma_device_init__jack(ma_device* pDevice, const ma_device_config* pConfig, ma_device_descriptor* pDescriptorPlayback, ma_device_descriptor* pDescriptorCapture)
{
ma_result result;
ma_uint32 periodSizeInFrames;
MA_ASSERT(pConfig != NULL);
MA_ASSERT(pDevice != NULL);
if (pConfig->deviceType == ma_device_type_loopback) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[JACK] Loopback mode not supported.");
return MA_DEVICE_TYPE_NOT_SUPPORTED;
}
if (((pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex) && pDescriptorPlayback->pDeviceID != NULL && pDescriptorPlayback->pDeviceID->jack != 0) ||
((pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex) && pDescriptorCapture->pDeviceID != NULL && pDescriptorCapture->pDeviceID->jack != 0)) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[JACK] Only default devices are supported.");
return MA_NO_DEVICE;
}
if (((pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex) && pDescriptorPlayback->shareMode == ma_share_mode_exclusive) ||
((pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex) && pDescriptorCapture->shareMode == ma_share_mode_exclusive)) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[JACK] Exclusive mode not supported.");
return MA_SHARE_MODE_NOT_SUPPORTED;
}
result = ma_context_open_client__jack(pDevice->pContext, (ma_jack_client_t**)&pDevice->jack.pClient);
if (result != MA_SUCCESS) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[JACK] Failed to open client.");
return result;
}
if (((ma_jack_set_process_callback_proc)pDevice->pContext->jack.jack_set_process_callback)((ma_jack_client_t*)pDevice->jack.pClient, ma_device__jack_process_callback, pDevice) != 0) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[JACK] Failed to set process callback.");
return MA_FAILED_TO_OPEN_BACKEND_DEVICE;
}
if (((ma_jack_set_buffer_size_callback_proc)pDevice->pContext->jack.jack_set_buffer_size_callback)((ma_jack_client_t*)pDevice->jack.pClient, ma_device__jack_buffer_size_callback, pDevice) != 0) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[JACK] Failed to set buffer size callback.");
return MA_FAILED_TO_OPEN_BACKEND_DEVICE;
}
((ma_jack_on_shutdown_proc)pDevice->pContext->jack.jack_on_shutdown)((ma_jack_client_t*)pDevice->jack.pClient, ma_device__jack_shutdown_callback, pDevice);
periodSizeInFrames = ((ma_jack_get_buffer_size_proc)pDevice->pContext->jack.jack_get_buffer_size)((ma_jack_client_t*)pDevice->jack.pClient);
if (pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex) {
ma_uint32 iPort;
const char** ppPorts;
pDescriptorCapture->format = ma_format_f32;
pDescriptorCapture->channels = 0;
pDescriptorCapture->sampleRate = ((ma_jack_get_sample_rate_proc)pDevice->pContext->jack.jack_get_sample_rate)((ma_jack_client_t*)pDevice->jack.pClient);
ma_channel_map_init_standard(ma_standard_channel_map_alsa, pDescriptorCapture->channelMap, ma_countof(pDescriptorCapture->channelMap), pDescriptorCapture->channels);
ppPorts = ((ma_jack_get_ports_proc)pDevice->pContext->jack.jack_get_ports)((ma_jack_client_t*)pDevice->jack.pClient, NULL, MA_JACK_DEFAULT_AUDIO_TYPE, ma_JackPortIsPhysical | ma_JackPortIsOutput);
if (ppPorts == NULL) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[JACK] Failed to query physical ports.");
return MA_FAILED_TO_OPEN_BACKEND_DEVICE;
}
while (ppPorts[pDescriptorCapture->channels] != NULL) {
pDescriptorCapture->channels += 1;
}
pDevice->jack.ppPortsCapture = (ma_ptr*)ma_malloc(sizeof(*pDevice->jack.ppPortsCapture) * pDescriptorCapture->channels, &pDevice->pContext->allocationCallbacks);
if (pDevice->jack.ppPortsCapture == NULL) {
return MA_OUT_OF_MEMORY;
}
for (iPort = 0; iPort < pDescriptorCapture->channels; iPort += 1) {
char name[64];
ma_strcpy_s(name, sizeof(name), "capture");
ma_itoa_s((int)iPort, name+7, sizeof(name)-7, 10);
pDevice->jack.ppPortsCapture[iPort] = ((ma_jack_port_register_proc)pDevice->pContext->jack.jack_port_register)((ma_jack_client_t*)pDevice->jack.pClient, name, MA_JACK_DEFAULT_AUDIO_TYPE, ma_JackPortIsInput, 0);
if (pDevice->jack.ppPortsCapture[iPort] == NULL) {
((ma_jack_free_proc)pDevice->pContext->jack.jack_free)((void*)ppPorts);
ma_device_uninit__jack(pDevice);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[JACK] Failed to register ports.");
return MA_FAILED_TO_OPEN_BACKEND_DEVICE;
}
}
((ma_jack_free_proc)pDevice->pContext->jack.jack_free)((void*)ppPorts);
pDescriptorCapture->periodSizeInFrames = periodSizeInFrames;
pDescriptorCapture->periodCount = 1;
pDevice->jack.pIntermediaryBufferCapture = (float*)ma_calloc(pDescriptorCapture->periodSizeInFrames * ma_get_bytes_per_frame(pDescriptorCapture->format, pDescriptorCapture->channels), &pDevice->pContext->allocationCallbacks);
if (pDevice->jack.pIntermediaryBufferCapture == NULL) {
ma_device_uninit__jack(pDevice);
return MA_OUT_OF_MEMORY;
}
}
if (pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex) {
ma_uint32 iPort;
const char** ppPorts;
pDescriptorPlayback->format = ma_format_f32;
pDescriptorPlayback->channels = 0;
pDescriptorPlayback->sampleRate = ((ma_jack_get_sample_rate_proc)pDevice->pContext->jack.jack_get_sample_rate)((ma_jack_client_t*)pDevice->jack.pClient);
ma_channel_map_init_standard(ma_standard_channel_map_alsa, pDescriptorPlayback->channelMap, ma_countof(pDescriptorPlayback->channelMap), pDescriptorPlayback->channels);
ppPorts = ((ma_jack_get_ports_proc)pDevice->pContext->jack.jack_get_ports)((ma_jack_client_t*)pDevice->jack.pClient, NULL, MA_JACK_DEFAULT_AUDIO_TYPE, ma_JackPortIsPhysical | ma_JackPortIsInput);
if (ppPorts == NULL) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[JACK] Failed to query physical ports.");
return MA_FAILED_TO_OPEN_BACKEND_DEVICE;
}
while (ppPorts[pDescriptorPlayback->channels] != NULL) {
pDescriptorPlayback->channels += 1;
}
pDevice->jack.ppPortsPlayback = (ma_ptr*)ma_malloc(sizeof(*pDevice->jack.ppPortsPlayback) * pDescriptorPlayback->channels, &pDevice->pContext->allocationCallbacks);
if (pDevice->jack.ppPortsPlayback == NULL) {
ma_free(pDevice->jack.ppPortsCapture, &pDevice->pContext->allocationCallbacks);
return MA_OUT_OF_MEMORY;
}
for (iPort = 0; iPort < pDescriptorPlayback->channels; iPort += 1) {
char name[64];
ma_strcpy_s(name, sizeof(name), "playback");
ma_itoa_s((int)iPort, name+8, sizeof(name)-8, 10);
pDevice->jack.ppPortsPlayback[iPort] = ((ma_jack_port_register_proc)pDevice->pContext->jack.jack_port_register)((ma_jack_client_t*)pDevice->jack.pClient, name, MA_JACK_DEFAULT_AUDIO_TYPE, ma_JackPortIsOutput, 0);
if (pDevice->jack.ppPortsPlayback[iPort] == NULL) {
((ma_jack_free_proc)pDevice->pContext->jack.jack_free)((void*)ppPorts);
ma_device_uninit__jack(pDevice);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[JACK] Failed to register ports.");
return MA_FAILED_TO_OPEN_BACKEND_DEVICE;
}
}
((ma_jack_free_proc)pDevice->pContext->jack.jack_free)((void*)ppPorts);
pDescriptorPlayback->periodSizeInFrames = periodSizeInFrames;
pDescriptorPlayback->periodCount = 1;
pDevice->jack.pIntermediaryBufferPlayback = (float*)ma_calloc(pDescriptorPlayback->periodSizeInFrames * ma_get_bytes_per_frame(pDescriptorPlayback->format, pDescriptorPlayback->channels), &pDevice->pContext->allocationCallbacks);
if (pDevice->jack.pIntermediaryBufferPlayback == NULL) {
ma_device_uninit__jack(pDevice);
return MA_OUT_OF_MEMORY;
}
}
return MA_SUCCESS;
}
static ma_result ma_device_start__jack(ma_device* pDevice)
{
ma_context* pContext = pDevice->pContext;
int resultJACK;
size_t i;
resultJACK = ((ma_jack_activate_proc)pContext->jack.jack_activate)((ma_jack_client_t*)pDevice->jack.pClient);
if (resultJACK != 0) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[JACK] Failed to activate the JACK client.");
return MA_FAILED_TO_START_BACKEND_DEVICE;
}
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
const char** ppServerPorts = ((ma_jack_get_ports_proc)pContext->jack.jack_get_ports)((ma_jack_client_t*)pDevice->jack.pClient, NULL, MA_JACK_DEFAULT_AUDIO_TYPE, ma_JackPortIsPhysical | ma_JackPortIsOutput);
if (ppServerPorts == NULL) {
((ma_jack_deactivate_proc)pContext->jack.jack_deactivate)((ma_jack_client_t*)pDevice->jack.pClient);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[JACK] Failed to retrieve physical ports.");
return MA_ERROR;
}
for (i = 0; ppServerPorts[i] != NULL; ++i) {
const char* pServerPort = ppServerPorts[i];
const char* pClientPort = ((ma_jack_port_name_proc)pContext->jack.jack_port_name)((ma_jack_port_t*)pDevice->jack.ppPortsCapture[i]);
resultJACK = ((ma_jack_connect_proc)pContext->jack.jack_connect)((ma_jack_client_t*)pDevice->jack.pClient, pServerPort, pClientPort);
if (resultJACK != 0) {
((ma_jack_free_proc)pContext->jack.jack_free)((void*)ppServerPorts);
((ma_jack_deactivate_proc)pContext->jack.jack_deactivate)((ma_jack_client_t*)pDevice->jack.pClient);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[JACK] Failed to connect ports.");
return MA_ERROR;
}
}
((ma_jack_free_proc)pContext->jack.jack_free)((void*)ppServerPorts);
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
const char** ppServerPorts = ((ma_jack_get_ports_proc)pContext->jack.jack_get_ports)((ma_jack_client_t*)pDevice->jack.pClient, NULL, MA_JACK_DEFAULT_AUDIO_TYPE, ma_JackPortIsPhysical | ma_JackPortIsInput);
if (ppServerPorts == NULL) {
((ma_jack_deactivate_proc)pContext->jack.jack_deactivate)((ma_jack_client_t*)pDevice->jack.pClient);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[JACK] Failed to retrieve physical ports.");
return MA_ERROR;
}
for (i = 0; ppServerPorts[i] != NULL; ++i) {
const char* pServerPort = ppServerPorts[i];
const char* pClientPort = ((ma_jack_port_name_proc)pContext->jack.jack_port_name)((ma_jack_port_t*)pDevice->jack.ppPortsPlayback[i]);
resultJACK = ((ma_jack_connect_proc)pContext->jack.jack_connect)((ma_jack_client_t*)pDevice->jack.pClient, pClientPort, pServerPort);
if (resultJACK != 0) {
((ma_jack_free_proc)pContext->jack.jack_free)((void*)ppServerPorts);
((ma_jack_deactivate_proc)pContext->jack.jack_deactivate)((ma_jack_client_t*)pDevice->jack.pClient);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[JACK] Failed to connect ports.");
return MA_ERROR;
}
}
((ma_jack_free_proc)pContext->jack.jack_free)((void*)ppServerPorts);
}
return MA_SUCCESS;
}
static ma_result ma_device_stop__jack(ma_device* pDevice)
{
ma_context* pContext = pDevice->pContext;
if (((ma_jack_deactivate_proc)pContext->jack.jack_deactivate)((ma_jack_client_t*)pDevice->jack.pClient) != 0) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[JACK] An error occurred when deactivating the JACK client.");
return MA_ERROR;
}
ma_device__on_notification_stopped(pDevice);
return MA_SUCCESS;
}
static ma_result ma_context_uninit__jack(ma_context* pContext)
{
MA_ASSERT(pContext != NULL);
MA_ASSERT(pContext->backend == ma_backend_jack);
ma_free(pContext->jack.pClientName, &pContext->allocationCallbacks);
pContext->jack.pClientName = NULL;
#ifndef MA_NO_RUNTIME_LINKING
ma_dlclose(ma_context_get_log(pContext), pContext->jack.jackSO);
#endif
return MA_SUCCESS;
}
static ma_result ma_context_init__jack(ma_context* pContext, const ma_context_config* pConfig, ma_backend_callbacks* pCallbacks)
{
#ifndef MA_NO_RUNTIME_LINKING
const char* libjackNames[] = {
#if defined(MA_WIN32)
"libjack.dll",
"libjack64.dll"
#endif
#if defined(MA_UNIX)
"libjack.so",
"libjack.so.0"
#endif
};
size_t i;
for (i = 0; i < ma_countof(libjackNames); ++i) {
pContext->jack.jackSO = ma_dlopen(ma_context_get_log(pContext), libjackNames[i]);
if (pContext->jack.jackSO != NULL) {
break;
}
}
if (pContext->jack.jackSO == NULL) {
return MA_NO_BACKEND;
}
pContext->jack.jack_client_open = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->jack.jackSO, "jack_client_open");
pContext->jack.jack_client_close = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->jack.jackSO, "jack_client_close");
pContext->jack.jack_client_name_size = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->jack.jackSO, "jack_client_name_size");
pContext->jack.jack_set_process_callback = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->jack.jackSO, "jack_set_process_callback");
pContext->jack.jack_set_buffer_size_callback = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->jack.jackSO, "jack_set_buffer_size_callback");
pContext->jack.jack_on_shutdown = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->jack.jackSO, "jack_on_shutdown");
pContext->jack.jack_get_sample_rate = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->jack.jackSO, "jack_get_sample_rate");
pContext->jack.jack_get_buffer_size = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->jack.jackSO, "jack_get_buffer_size");
pContext->jack.jack_get_ports = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->jack.jackSO, "jack_get_ports");
pContext->jack.jack_activate = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->jack.jackSO, "jack_activate");
pContext->jack.jack_deactivate = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->jack.jackSO, "jack_deactivate");
pContext->jack.jack_connect = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->jack.jackSO, "jack_connect");
pContext->jack.jack_port_register = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->jack.jackSO, "jack_port_register");
pContext->jack.jack_port_name = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->jack.jackSO, "jack_port_name");
pContext->jack.jack_port_get_buffer = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->jack.jackSO, "jack_port_get_buffer");
pContext->jack.jack_free = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->jack.jackSO, "jack_free");
#else
ma_jack_client_open_proc _jack_client_open = jack_client_open;
ma_jack_client_close_proc _jack_client_close = jack_client_close;
ma_jack_client_name_size_proc _jack_client_name_size = jack_client_name_size;
ma_jack_set_process_callback_proc _jack_set_process_callback = jack_set_process_callback;
ma_jack_set_buffer_size_callback_proc _jack_set_buffer_size_callback = jack_set_buffer_size_callback;
ma_jack_on_shutdown_proc _jack_on_shutdown = jack_on_shutdown;
ma_jack_get_sample_rate_proc _jack_get_sample_rate = jack_get_sample_rate;
ma_jack_get_buffer_size_proc _jack_get_buffer_size = jack_get_buffer_size;
ma_jack_get_ports_proc _jack_get_ports = jack_get_ports;
ma_jack_activate_proc _jack_activate = jack_activate;
ma_jack_deactivate_proc _jack_deactivate = jack_deactivate;
ma_jack_connect_proc _jack_connect = jack_connect;
ma_jack_port_register_proc _jack_port_register = jack_port_register;
ma_jack_port_name_proc _jack_port_name = jack_port_name;
ma_jack_port_get_buffer_proc _jack_port_get_buffer = jack_port_get_buffer;
ma_jack_free_proc _jack_free = jack_free;
pContext->jack.jack_client_open = (ma_proc)_jack_client_open;
pContext->jack.jack_client_close = (ma_proc)_jack_client_close;
pContext->jack.jack_client_name_size = (ma_proc)_jack_client_name_size;
pContext->jack.jack_set_process_callback = (ma_proc)_jack_set_process_callback;
pContext->jack.jack_set_buffer_size_callback = (ma_proc)_jack_set_buffer_size_callback;
pContext->jack.jack_on_shutdown = (ma_proc)_jack_on_shutdown;
pContext->jack.jack_get_sample_rate = (ma_proc)_jack_get_sample_rate;
pContext->jack.jack_get_buffer_size = (ma_proc)_jack_get_buffer_size;
pContext->jack.jack_get_ports = (ma_proc)_jack_get_ports;
pContext->jack.jack_activate = (ma_proc)_jack_activate;
pContext->jack.jack_deactivate = (ma_proc)_jack_deactivate;
pContext->jack.jack_connect = (ma_proc)_jack_connect;
pContext->jack.jack_port_register = (ma_proc)_jack_port_register;
pContext->jack.jack_port_name = (ma_proc)_jack_port_name;
pContext->jack.jack_port_get_buffer = (ma_proc)_jack_port_get_buffer;
pContext->jack.jack_free = (ma_proc)_jack_free;
#endif
if (pConfig->jack.pClientName != NULL) {
pContext->jack.pClientName = ma_copy_string(pConfig->jack.pClientName, &pContext->allocationCallbacks);
}
pContext->jack.tryStartServer = pConfig->jack.tryStartServer;
{
ma_jack_client_t* pDummyClient;
ma_result result = ma_context_open_client__jack(pContext, &pDummyClient);
if (result != MA_SUCCESS) {
ma_free(pContext->jack.pClientName, &pContext->allocationCallbacks);
#ifndef MA_NO_RUNTIME_LINKING
ma_dlclose(ma_context_get_log(pContext), pContext->jack.jackSO);
#endif
return MA_NO_BACKEND;
}
((ma_jack_client_close_proc)pContext->jack.jack_client_close)((ma_jack_client_t*)pDummyClient);
}
pCallbacks->onContextInit = ma_context_init__jack;
pCallbacks->onContextUninit = ma_context_uninit__jack;
pCallbacks->onContextEnumerateDevices = ma_context_enumerate_devices__jack;
pCallbacks->onContextGetDeviceInfo = ma_context_get_device_info__jack;
pCallbacks->onDeviceInit = ma_device_init__jack;
pCallbacks->onDeviceUninit = ma_device_uninit__jack;
pCallbacks->onDeviceStart = ma_device_start__jack;
pCallbacks->onDeviceStop = ma_device_stop__jack;
pCallbacks->onDeviceRead = NULL;
pCallbacks->onDeviceWrite = NULL;
pCallbacks->onDeviceDataLoop = NULL;
return MA_SUCCESS;
}
#endif
#ifdef MA_HAS_COREAUDIO
#include <TargetConditionals.h>
#if defined(TARGET_OS_IPHONE) && TARGET_OS_IPHONE == 1
#define MA_APPLE_MOBILE
#if defined(TARGET_OS_TV) && TARGET_OS_TV == 1
#define MA_APPLE_TV
#endif
#if defined(TARGET_OS_WATCH) && TARGET_OS_WATCH == 1
#define MA_APPLE_WATCH
#endif
#if __has_feature(objc_arc)
#define MA_BRIDGE_TRANSFER __bridge_transfer
#define MA_BRIDGE_RETAINED __bridge_retained
#else
#define MA_BRIDGE_TRANSFER
#define MA_BRIDGE_RETAINED
#endif
#else
#define MA_APPLE_DESKTOP
#endif
#if defined(MA_APPLE_DESKTOP)
#include <CoreAudio/CoreAudio.h>
#else
#include <AVFoundation/AVFoundation.h>
#endif
#include <AudioToolbox/AudioToolbox.h>
typedef Boolean (* ma_CFStringGetCString_proc)(CFStringRef theString, char* buffer, CFIndex bufferSize, CFStringEncoding encoding);
typedef void (* ma_CFRelease_proc)(CFTypeRef cf);
#if defined(MA_APPLE_DESKTOP)
typedef OSStatus (* ma_AudioObjectGetPropertyData_proc)(AudioObjectID inObjectID, const AudioObjectPropertyAddress* inAddress, UInt32 inQualifierDataSize, const void* inQualifierData, UInt32* ioDataSize, void* outData);
typedef OSStatus (* ma_AudioObjectGetPropertyDataSize_proc)(AudioObjectID inObjectID, const AudioObjectPropertyAddress* inAddress, UInt32 inQualifierDataSize, const void* inQualifierData, UInt32* outDataSize);
typedef OSStatus (* ma_AudioObjectSetPropertyData_proc)(AudioObjectID inObjectID, const AudioObjectPropertyAddress* inAddress, UInt32 inQualifierDataSize, const void* inQualifierData, UInt32 inDataSize, const void* inData);
typedef OSStatus (* ma_AudioObjectAddPropertyListener_proc)(AudioObjectID inObjectID, const AudioObjectPropertyAddress* inAddress, AudioObjectPropertyListenerProc inListener, void* inClientData);
typedef OSStatus (* ma_AudioObjectRemovePropertyListener_proc)(AudioObjectID inObjectID, const AudioObjectPropertyAddress* inAddress, AudioObjectPropertyListenerProc inListener, void* inClientData);
#endif
typedef AudioComponent (* ma_AudioComponentFindNext_proc)(AudioComponent inComponent, const AudioComponentDescription* inDesc);
typedef OSStatus (* ma_AudioComponentInstanceDispose_proc)(AudioComponentInstance inInstance);
typedef OSStatus (* ma_AudioComponentInstanceNew_proc)(AudioComponent inComponent, AudioComponentInstance* outInstance);
typedef OSStatus (* ma_AudioOutputUnitStart_proc)(AudioUnit inUnit);
typedef OSStatus (* ma_AudioOutputUnitStop_proc)(AudioUnit inUnit);
typedef OSStatus (* ma_AudioUnitAddPropertyListener_proc)(AudioUnit inUnit, AudioUnitPropertyID inID, AudioUnitPropertyListenerProc inProc, void* inProcUserData);
typedef OSStatus (* ma_AudioUnitGetPropertyInfo_proc)(AudioUnit inUnit, AudioUnitPropertyID inID, AudioUnitScope inScope, AudioUnitElement inElement, UInt32* outDataSize, Boolean* outWriteable);
typedef OSStatus (* ma_AudioUnitGetProperty_proc)(AudioUnit inUnit, AudioUnitPropertyID inID, AudioUnitScope inScope, AudioUnitElement inElement, void* outData, UInt32* ioDataSize);
typedef OSStatus (* ma_AudioUnitSetProperty_proc)(AudioUnit inUnit, AudioUnitPropertyID inID, AudioUnitScope inScope, AudioUnitElement inElement, const void* inData, UInt32 inDataSize);
typedef OSStatus (* ma_AudioUnitInitialize_proc)(AudioUnit inUnit);
typedef OSStatus (* ma_AudioUnitRender_proc)(AudioUnit inUnit, AudioUnitRenderActionFlags* ioActionFlags, const AudioTimeStamp* inTimeStamp, UInt32 inOutputBusNumber, UInt32 inNumberFrames, AudioBufferList* ioData);
#define MA_COREAUDIO_OUTPUT_BUS 0
#define MA_COREAUDIO_INPUT_BUS 1
#if defined(MA_APPLE_DESKTOP)
static ma_result ma_device_reinit_internal__coreaudio(ma_device* pDevice, ma_device_type deviceType, ma_bool32 disposePreviousAudioUnit);
#endif
#if defined(MA_APPLE_MOBILE)
static void ma_device__on_notification_interruption_began(ma_device* pDevice)
{
ma_device__on_notification(ma_device_notification_init(pDevice, ma_device_notification_type_interruption_began));
}
static void ma_device__on_notification_interruption_ended(ma_device* pDevice)
{
ma_device__on_notification(ma_device_notification_init(pDevice, ma_device_notification_type_interruption_ended));
}
#endif
static ma_result ma_result_from_OSStatus(OSStatus status)
{
switch (status)
{
case noErr: return MA_SUCCESS;
#if defined(MA_APPLE_DESKTOP)
case kAudioHardwareNotRunningError: return MA_DEVICE_NOT_STARTED;
case kAudioHardwareUnspecifiedError: return MA_ERROR;
case kAudioHardwareUnknownPropertyError: return MA_INVALID_ARGS;
case kAudioHardwareBadPropertySizeError: return MA_INVALID_OPERATION;
case kAudioHardwareIllegalOperationError: return MA_INVALID_OPERATION;
case kAudioHardwareBadObjectError: return MA_INVALID_ARGS;
case kAudioHardwareBadDeviceError: return MA_INVALID_ARGS;
case kAudioHardwareBadStreamError: return MA_INVALID_ARGS;
case kAudioHardwareUnsupportedOperationError: return MA_INVALID_OPERATION;
case kAudioDeviceUnsupportedFormatError: return MA_FORMAT_NOT_SUPPORTED;
case kAudioDevicePermissionsError: return MA_ACCESS_DENIED;
#endif
default: return MA_ERROR;
}
}
#if 0
static ma_channel ma_channel_from_AudioChannelBitmap(AudioChannelBitmap bit)
{
switch (bit)
{
case kAudioChannelBit_Left: return MA_CHANNEL_LEFT;
case kAudioChannelBit_Right: return MA_CHANNEL_RIGHT;
case kAudioChannelBit_Center: return MA_CHANNEL_FRONT_CENTER;
case kAudioChannelBit_LFEScreen: return MA_CHANNEL_LFE;
case kAudioChannelBit_LeftSurround: return MA_CHANNEL_BACK_LEFT;
case kAudioChannelBit_RightSurround: return MA_CHANNEL_BACK_RIGHT;
case kAudioChannelBit_LeftCenter: return MA_CHANNEL_FRONT_LEFT_CENTER;
case kAudioChannelBit_RightCenter: return MA_CHANNEL_FRONT_RIGHT_CENTER;
case kAudioChannelBit_CenterSurround: return MA_CHANNEL_BACK_CENTER;
case kAudioChannelBit_LeftSurroundDirect: return MA_CHANNEL_SIDE_LEFT;
case kAudioChannelBit_RightSurroundDirect: return MA_CHANNEL_SIDE_RIGHT;
case kAudioChannelBit_TopCenterSurround: return MA_CHANNEL_TOP_CENTER;
case kAudioChannelBit_VerticalHeightLeft: return MA_CHANNEL_TOP_FRONT_LEFT;
case kAudioChannelBit_VerticalHeightCenter: return MA_CHANNEL_TOP_FRONT_CENTER;
case kAudioChannelBit_VerticalHeightRight: return MA_CHANNEL_TOP_FRONT_RIGHT;
case kAudioChannelBit_TopBackLeft: return MA_CHANNEL_TOP_BACK_LEFT;
case kAudioChannelBit_TopBackCenter: return MA_CHANNEL_TOP_BACK_CENTER;
case kAudioChannelBit_TopBackRight: return MA_CHANNEL_TOP_BACK_RIGHT;
default: return MA_CHANNEL_NONE;
}
}
#endif
static ma_result ma_format_from_AudioStreamBasicDescription(const AudioStreamBasicDescription* pDescription, ma_format* pFormatOut)
{
MA_ASSERT(pDescription != NULL);
MA_ASSERT(pFormatOut != NULL);
*pFormatOut = ma_format_unknown;
if (pDescription->mFormatID != kAudioFormatLinearPCM) {
return MA_FORMAT_NOT_SUPPORTED;
}
if ((pDescription->mFormatFlags & kLinearPCMFormatFlagIsAlignedHigh) != 0) {
return MA_FORMAT_NOT_SUPPORTED;
}
if ((ma_is_little_endian() && (pDescription->mFormatFlags & kAudioFormatFlagIsBigEndian) != 0) || (ma_is_big_endian() && (pDescription->mFormatFlags & kAudioFormatFlagIsBigEndian) == 0)) {
return MA_FORMAT_NOT_SUPPORTED;
}
if ((pDescription->mFormatFlags & kLinearPCMFormatFlagIsFloat) != 0) {
if (pDescription->mBitsPerChannel == 32) {
*pFormatOut = ma_format_f32;
return MA_SUCCESS;
}
} else {
if ((pDescription->mFormatFlags & kLinearPCMFormatFlagIsSignedInteger) != 0) {
if (pDescription->mBitsPerChannel == 16) {
*pFormatOut = ma_format_s16;
return MA_SUCCESS;
} else if (pDescription->mBitsPerChannel == 24) {
if (pDescription->mBytesPerFrame == (pDescription->mBitsPerChannel/8 * pDescription->mChannelsPerFrame)) {
*pFormatOut = ma_format_s24;
return MA_SUCCESS;
} else {
if (pDescription->mBytesPerFrame/pDescription->mChannelsPerFrame == sizeof(ma_int32)) {
return MA_FORMAT_NOT_SUPPORTED;
}
}
} else if (pDescription->mBitsPerChannel == 32) {
*pFormatOut = ma_format_s32;
return MA_SUCCESS;
}
} else {
if (pDescription->mBitsPerChannel == 8) {
*pFormatOut = ma_format_u8;
return MA_SUCCESS;
}
}
}
return MA_FORMAT_NOT_SUPPORTED;
}
#if defined(MA_APPLE_DESKTOP)
static ma_channel ma_channel_from_AudioChannelLabel(AudioChannelLabel label)
{
switch (label)
{
case kAudioChannelLabel_Unknown: return MA_CHANNEL_NONE;
case kAudioChannelLabel_Unused: return MA_CHANNEL_NONE;
case kAudioChannelLabel_UseCoordinates: return MA_CHANNEL_NONE;
case kAudioChannelLabel_Left: return MA_CHANNEL_LEFT;
case kAudioChannelLabel_Right: return MA_CHANNEL_RIGHT;
case kAudioChannelLabel_Center: return MA_CHANNEL_FRONT_CENTER;
case kAudioChannelLabel_LFEScreen: return MA_CHANNEL_LFE;
case kAudioChannelLabel_LeftSurround: return MA_CHANNEL_BACK_LEFT;
case kAudioChannelLabel_RightSurround: return MA_CHANNEL_BACK_RIGHT;
case kAudioChannelLabel_LeftCenter: return MA_CHANNEL_FRONT_LEFT_CENTER;
case kAudioChannelLabel_RightCenter: return MA_CHANNEL_FRONT_RIGHT_CENTER;
case kAudioChannelLabel_CenterSurround: return MA_CHANNEL_BACK_CENTER;
case kAudioChannelLabel_LeftSurroundDirect: return MA_CHANNEL_SIDE_LEFT;
case kAudioChannelLabel_RightSurroundDirect: return MA_CHANNEL_SIDE_RIGHT;
case kAudioChannelLabel_TopCenterSurround: return MA_CHANNEL_TOP_CENTER;
case kAudioChannelLabel_VerticalHeightLeft: return MA_CHANNEL_TOP_FRONT_LEFT;
case kAudioChannelLabel_VerticalHeightCenter: return MA_CHANNEL_TOP_FRONT_CENTER;
case kAudioChannelLabel_VerticalHeightRight: return MA_CHANNEL_TOP_FRONT_RIGHT;
case kAudioChannelLabel_TopBackLeft: return MA_CHANNEL_TOP_BACK_LEFT;
case kAudioChannelLabel_TopBackCenter: return MA_CHANNEL_TOP_BACK_CENTER;
case kAudioChannelLabel_TopBackRight: return MA_CHANNEL_TOP_BACK_RIGHT;
case kAudioChannelLabel_RearSurroundLeft: return MA_CHANNEL_BACK_LEFT;
case kAudioChannelLabel_RearSurroundRight: return MA_CHANNEL_BACK_RIGHT;
case kAudioChannelLabel_LeftWide: return MA_CHANNEL_SIDE_LEFT;
case kAudioChannelLabel_RightWide: return MA_CHANNEL_SIDE_RIGHT;
case kAudioChannelLabel_LFE2: return MA_CHANNEL_LFE;
case kAudioChannelLabel_LeftTotal: return MA_CHANNEL_LEFT;
case kAudioChannelLabel_RightTotal: return MA_CHANNEL_RIGHT;
case kAudioChannelLabel_HearingImpaired: return MA_CHANNEL_NONE;
case kAudioChannelLabel_Narration: return MA_CHANNEL_MONO;
case kAudioChannelLabel_Mono: return MA_CHANNEL_MONO;
case kAudioChannelLabel_DialogCentricMix: return MA_CHANNEL_MONO;
case kAudioChannelLabel_CenterSurroundDirect: return MA_CHANNEL_BACK_CENTER;
case kAudioChannelLabel_Haptic: return MA_CHANNEL_NONE;
case kAudioChannelLabel_Ambisonic_W: return MA_CHANNEL_NONE;
case kAudioChannelLabel_Ambisonic_X: return MA_CHANNEL_NONE;
case kAudioChannelLabel_Ambisonic_Y: return MA_CHANNEL_NONE;
case kAudioChannelLabel_Ambisonic_Z: return MA_CHANNEL_NONE;
case kAudioChannelLabel_MS_Mid: return MA_CHANNEL_LEFT;
case kAudioChannelLabel_MS_Side: return MA_CHANNEL_RIGHT;
case kAudioChannelLabel_XY_X: return MA_CHANNEL_LEFT;
case kAudioChannelLabel_XY_Y: return MA_CHANNEL_RIGHT;
case kAudioChannelLabel_HeadphonesLeft: return MA_CHANNEL_LEFT;
case kAudioChannelLabel_HeadphonesRight: return MA_CHANNEL_RIGHT;
case kAudioChannelLabel_ClickTrack: return MA_CHANNEL_NONE;
case kAudioChannelLabel_ForeignLanguage: return MA_CHANNEL_NONE;
case kAudioChannelLabel_Discrete: return MA_CHANNEL_NONE;
case kAudioChannelLabel_Discrete_0: return MA_CHANNEL_AUX_0;
case kAudioChannelLabel_Discrete_1: return MA_CHANNEL_AUX_1;
case kAudioChannelLabel_Discrete_2: return MA_CHANNEL_AUX_2;
case kAudioChannelLabel_Discrete_3: return MA_CHANNEL_AUX_3;
case kAudioChannelLabel_Discrete_4: return MA_CHANNEL_AUX_4;
case kAudioChannelLabel_Discrete_5: return MA_CHANNEL_AUX_5;
case kAudioChannelLabel_Discrete_6: return MA_CHANNEL_AUX_6;
case kAudioChannelLabel_Discrete_7: return MA_CHANNEL_AUX_7;
case kAudioChannelLabel_Discrete_8: return MA_CHANNEL_AUX_8;
case kAudioChannelLabel_Discrete_9: return MA_CHANNEL_AUX_9;
case kAudioChannelLabel_Discrete_10: return MA_CHANNEL_AUX_10;
case kAudioChannelLabel_Discrete_11: return MA_CHANNEL_AUX_11;
case kAudioChannelLabel_Discrete_12: return MA_CHANNEL_AUX_12;
case kAudioChannelLabel_Discrete_13: return MA_CHANNEL_AUX_13;
case kAudioChannelLabel_Discrete_14: return MA_CHANNEL_AUX_14;
case kAudioChannelLabel_Discrete_15: return MA_CHANNEL_AUX_15;
case kAudioChannelLabel_Discrete_65535: return MA_CHANNEL_NONE;
#if 0
case kAudioChannelLabel_HOA_ACN: return MA_CHANNEL_NONE;
case kAudioChannelLabel_HOA_ACN_0: return MA_CHANNEL_AUX_0;
case kAudioChannelLabel_HOA_ACN_1: return MA_CHANNEL_AUX_1;
case kAudioChannelLabel_HOA_ACN_2: return MA_CHANNEL_AUX_2;
case kAudioChannelLabel_HOA_ACN_3: return MA_CHANNEL_AUX_3;
case kAudioChannelLabel_HOA_ACN_4: return MA_CHANNEL_AUX_4;
case kAudioChannelLabel_HOA_ACN_5: return MA_CHANNEL_AUX_5;
case kAudioChannelLabel_HOA_ACN_6: return MA_CHANNEL_AUX_6;
case kAudioChannelLabel_HOA_ACN_7: return MA_CHANNEL_AUX_7;
case kAudioChannelLabel_HOA_ACN_8: return MA_CHANNEL_AUX_8;
case kAudioChannelLabel_HOA_ACN_9: return MA_CHANNEL_AUX_9;
case kAudioChannelLabel_HOA_ACN_10: return MA_CHANNEL_AUX_10;
case kAudioChannelLabel_HOA_ACN_11: return MA_CHANNEL_AUX_11;
case kAudioChannelLabel_HOA_ACN_12: return MA_CHANNEL_AUX_12;
case kAudioChannelLabel_HOA_ACN_13: return MA_CHANNEL_AUX_13;
case kAudioChannelLabel_HOA_ACN_14: return MA_CHANNEL_AUX_14;
case kAudioChannelLabel_HOA_ACN_15: return MA_CHANNEL_AUX_15;
case kAudioChannelLabel_HOA_ACN_65024: return MA_CHANNEL_NONE;
#endif
default: return MA_CHANNEL_NONE;
}
}
static ma_result ma_get_channel_map_from_AudioChannelLayout(AudioChannelLayout* pChannelLayout, ma_channel* pChannelMap, size_t channelMapCap)
{
MA_ASSERT(pChannelLayout != NULL);
if (pChannelLayout->mChannelLayoutTag == kAudioChannelLayoutTag_UseChannelDescriptions) {
UInt32 iChannel;
for (iChannel = 0; iChannel < pChannelLayout->mNumberChannelDescriptions && iChannel < channelMapCap; ++iChannel) {
pChannelMap[iChannel] = ma_channel_from_AudioChannelLabel(pChannelLayout->mChannelDescriptions[iChannel].mChannelLabel);
}
} else
#if 0
if (pChannelLayout->mChannelLayoutTag == kAudioChannelLayoutTag_UseChannelBitmap) {
UInt32 iChannel = 0;
UInt32 iBit;
AudioChannelBitmap bitmap = pChannelLayout->mChannelBitmap;
for (iBit = 0; iBit < 32 && iChannel < channelMapCap; ++iBit) {
AudioChannelBitmap bit = bitmap & (1 << iBit);
if (bit != 0) {
pChannelMap[iChannel++] = ma_channel_from_AudioChannelBit(bit);
}
}
} else
#endif
{
UInt32 channelCount;
if (channelMapCap > 0xFFFFFFFF) {
channelMapCap = 0xFFFFFFFF;
}
channelCount = ma_min(AudioChannelLayoutTag_GetNumberOfChannels(pChannelLayout->mChannelLayoutTag), (UInt32)channelMapCap);
switch (pChannelLayout->mChannelLayoutTag)
{
case kAudioChannelLayoutTag_Mono:
case kAudioChannelLayoutTag_Stereo:
case kAudioChannelLayoutTag_StereoHeadphones:
case kAudioChannelLayoutTag_MatrixStereo:
case kAudioChannelLayoutTag_MidSide:
case kAudioChannelLayoutTag_XY:
case kAudioChannelLayoutTag_Binaural:
case kAudioChannelLayoutTag_Ambisonic_B_Format:
{
ma_channel_map_init_standard(ma_standard_channel_map_default, pChannelMap, channelMapCap, channelCount);
} break;
case kAudioChannelLayoutTag_Octagonal:
{
pChannelMap[7] = MA_CHANNEL_SIDE_RIGHT;
pChannelMap[6] = MA_CHANNEL_SIDE_LEFT;
} MA_FALLTHROUGH;
case kAudioChannelLayoutTag_Hexagonal:
{
pChannelMap[5] = MA_CHANNEL_BACK_CENTER;
} MA_FALLTHROUGH;
case kAudioChannelLayoutTag_Pentagonal:
{
pChannelMap[4] = MA_CHANNEL_FRONT_CENTER;
} MA_FALLTHROUGH;
case kAudioChannelLayoutTag_Quadraphonic:
{
pChannelMap[3] = MA_CHANNEL_BACK_RIGHT;
pChannelMap[2] = MA_CHANNEL_BACK_LEFT;
pChannelMap[1] = MA_CHANNEL_RIGHT;
pChannelMap[0] = MA_CHANNEL_LEFT;
} break;
default:
{
ma_channel_map_init_standard(ma_standard_channel_map_default, pChannelMap, channelMapCap, channelCount);
} break;
}
}
return MA_SUCCESS;
}
#if (defined(MAC_OS_VERSION_12_0) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_VERSION_12_0) || \
(defined(__IPHONE_15_0) && __IPHONE_OS_VERSION_MAX_ALLOWED >= __IPHONE_15_0)
#define AUDIO_OBJECT_PROPERTY_ELEMENT kAudioObjectPropertyElementMain
#else
#define AUDIO_OBJECT_PROPERTY_ELEMENT kAudioObjectPropertyElementMaster
#endif
#if !defined(MAC_OS_X_VERSION_10_8) || (MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_8)
#define kAudioObjectPropertyScopeInput kAudioDevicePropertyScopeInput
#define kAudioObjectPropertyScopeOutput kAudioDevicePropertyScopeOutput
#endif
static ma_result ma_get_device_object_ids__coreaudio(ma_context* pContext, UInt32* pDeviceCount, AudioObjectID** ppDeviceObjectIDs)
{
AudioObjectPropertyAddress propAddressDevices;
UInt32 deviceObjectsDataSize;
OSStatus status;
AudioObjectID* pDeviceObjectIDs;
MA_ASSERT(pContext != NULL);
MA_ASSERT(pDeviceCount != NULL);
MA_ASSERT(ppDeviceObjectIDs != NULL);
*pDeviceCount = 0;
*ppDeviceObjectIDs = NULL;
propAddressDevices.mSelector = kAudioHardwarePropertyDevices;
propAddressDevices.mScope = kAudioObjectPropertyScopeGlobal;
propAddressDevices.mElement = AUDIO_OBJECT_PROPERTY_ELEMENT;
status = ((ma_AudioObjectGetPropertyDataSize_proc)pContext->coreaudio.AudioObjectGetPropertyDataSize)(kAudioObjectSystemObject, &propAddressDevices, 0, NULL, &deviceObjectsDataSize);
if (status != noErr) {
return ma_result_from_OSStatus(status);
}
pDeviceObjectIDs = (AudioObjectID*)ma_malloc(deviceObjectsDataSize, &pContext->allocationCallbacks);
if (pDeviceObjectIDs == NULL) {
return MA_OUT_OF_MEMORY;
}
status = ((ma_AudioObjectGetPropertyData_proc)pContext->coreaudio.AudioObjectGetPropertyData)(kAudioObjectSystemObject, &propAddressDevices, 0, NULL, &deviceObjectsDataSize, pDeviceObjectIDs);
if (status != noErr) {
ma_free(pDeviceObjectIDs, &pContext->allocationCallbacks);
return ma_result_from_OSStatus(status);
}
*pDeviceCount = deviceObjectsDataSize / sizeof(AudioObjectID);
*ppDeviceObjectIDs = pDeviceObjectIDs;
return MA_SUCCESS;
}
static ma_result ma_get_AudioObject_uid_as_CFStringRef(ma_context* pContext, AudioObjectID objectID, CFStringRef* pUID)
{
AudioObjectPropertyAddress propAddress;
UInt32 dataSize;
OSStatus status;
MA_ASSERT(pContext != NULL);
propAddress.mSelector = kAudioDevicePropertyDeviceUID;
propAddress.mScope = kAudioObjectPropertyScopeGlobal;
propAddress.mElement = AUDIO_OBJECT_PROPERTY_ELEMENT;
dataSize = sizeof(*pUID);
status = ((ma_AudioObjectGetPropertyData_proc)pContext->coreaudio.AudioObjectGetPropertyData)(objectID, &propAddress, 0, NULL, &dataSize, pUID);
if (status != noErr) {
return ma_result_from_OSStatus(status);
}
return MA_SUCCESS;
}
static ma_result ma_get_AudioObject_uid(ma_context* pContext, AudioObjectID objectID, size_t bufferSize, char* bufferOut)
{
CFStringRef uid;
ma_result result;
MA_ASSERT(pContext != NULL);
result = ma_get_AudioObject_uid_as_CFStringRef(pContext, objectID, &uid);
if (result != MA_SUCCESS) {
return result;
}
if (!((ma_CFStringGetCString_proc)pContext->coreaudio.CFStringGetCString)(uid, bufferOut, bufferSize, kCFStringEncodingUTF8)) {
return MA_ERROR;
}
((ma_CFRelease_proc)pContext->coreaudio.CFRelease)(uid);
return MA_SUCCESS;
}
static ma_result ma_get_AudioObject_name(ma_context* pContext, AudioObjectID objectID, size_t bufferSize, char* bufferOut)
{
AudioObjectPropertyAddress propAddress;
CFStringRef deviceName = NULL;
UInt32 dataSize;
OSStatus status;
MA_ASSERT(pContext != NULL);
propAddress.mSelector = kAudioDevicePropertyDeviceNameCFString;
propAddress.mScope = kAudioObjectPropertyScopeGlobal;
propAddress.mElement = AUDIO_OBJECT_PROPERTY_ELEMENT;
dataSize = sizeof(deviceName);
status = ((ma_AudioObjectGetPropertyData_proc)pContext->coreaudio.AudioObjectGetPropertyData)(objectID, &propAddress, 0, NULL, &dataSize, &deviceName);
if (status != noErr) {
return ma_result_from_OSStatus(status);
}
if (!((ma_CFStringGetCString_proc)pContext->coreaudio.CFStringGetCString)(deviceName, bufferOut, bufferSize, kCFStringEncodingUTF8)) {
return MA_ERROR;
}
((ma_CFRelease_proc)pContext->coreaudio.CFRelease)(deviceName);
return MA_SUCCESS;
}
static ma_bool32 ma_does_AudioObject_support_scope(ma_context* pContext, AudioObjectID deviceObjectID, AudioObjectPropertyScope scope)
{
AudioObjectPropertyAddress propAddress;
UInt32 dataSize;
OSStatus status;
AudioBufferList* pBufferList;
ma_bool32 isSupported;
MA_ASSERT(pContext != NULL);
propAddress.mSelector = kAudioDevicePropertyStreamConfiguration;
propAddress.mScope = scope;
propAddress.mElement = AUDIO_OBJECT_PROPERTY_ELEMENT;
status = ((ma_AudioObjectGetPropertyDataSize_proc)pContext->coreaudio.AudioObjectGetPropertyDataSize)(deviceObjectID, &propAddress, 0, NULL, &dataSize);
if (status != noErr) {
return MA_FALSE;
}
pBufferList = (AudioBufferList*)ma_malloc(dataSize, &pContext->allocationCallbacks);
if (pBufferList == NULL) {
return MA_FALSE;
}
status = ((ma_AudioObjectGetPropertyData_proc)pContext->coreaudio.AudioObjectGetPropertyData)(deviceObjectID, &propAddress, 0, NULL, &dataSize, pBufferList);
if (status != noErr) {
ma_free(pBufferList, &pContext->allocationCallbacks);
return MA_FALSE;
}
isSupported = MA_FALSE;
if (pBufferList->mNumberBuffers > 0) {
isSupported = MA_TRUE;
}
ma_free(pBufferList, &pContext->allocationCallbacks);
return isSupported;
}
static ma_bool32 ma_does_AudioObject_support_playback(ma_context* pContext, AudioObjectID deviceObjectID)
{
return ma_does_AudioObject_support_scope(pContext, deviceObjectID, kAudioObjectPropertyScopeOutput);
}
static ma_bool32 ma_does_AudioObject_support_capture(ma_context* pContext, AudioObjectID deviceObjectID)
{
return ma_does_AudioObject_support_scope(pContext, deviceObjectID, kAudioObjectPropertyScopeInput);
}
static ma_result ma_get_AudioObject_stream_descriptions(ma_context* pContext, AudioObjectID deviceObjectID, ma_device_type deviceType, UInt32* pDescriptionCount, AudioStreamRangedDescription** ppDescriptions)
{
AudioObjectPropertyAddress propAddress;
UInt32 dataSize;
OSStatus status;
AudioStreamRangedDescription* pDescriptions;
MA_ASSERT(pContext != NULL);
MA_ASSERT(pDescriptionCount != NULL);
MA_ASSERT(ppDescriptions != NULL);
propAddress.mSelector = kAudioStreamPropertyAvailableVirtualFormats;
propAddress.mScope = (deviceType == ma_device_type_playback) ? kAudioObjectPropertyScopeOutput : kAudioObjectPropertyScopeInput;
propAddress.mElement = AUDIO_OBJECT_PROPERTY_ELEMENT;
status = ((ma_AudioObjectGetPropertyDataSize_proc)pContext->coreaudio.AudioObjectGetPropertyDataSize)(deviceObjectID, &propAddress, 0, NULL, &dataSize);
if (status != noErr) {
return ma_result_from_OSStatus(status);
}
pDescriptions = (AudioStreamRangedDescription*)ma_malloc(dataSize, &pContext->allocationCallbacks);
if (pDescriptions == NULL) {
return MA_OUT_OF_MEMORY;
}
status = ((ma_AudioObjectGetPropertyData_proc)pContext->coreaudio.AudioObjectGetPropertyData)(deviceObjectID, &propAddress, 0, NULL, &dataSize, pDescriptions);
if (status != noErr) {
ma_free(pDescriptions, &pContext->allocationCallbacks);
return ma_result_from_OSStatus(status);
}
*pDescriptionCount = dataSize / sizeof(*pDescriptions);
*ppDescriptions = pDescriptions;
return MA_SUCCESS;
}
static ma_result ma_get_AudioObject_channel_layout(ma_context* pContext, AudioObjectID deviceObjectID, ma_device_type deviceType, AudioChannelLayout** ppChannelLayout)
{
AudioObjectPropertyAddress propAddress;
UInt32 dataSize;
OSStatus status;
AudioChannelLayout* pChannelLayout;
MA_ASSERT(pContext != NULL);
MA_ASSERT(ppChannelLayout != NULL);
*ppChannelLayout = NULL;
propAddress.mSelector = kAudioDevicePropertyPreferredChannelLayout;
propAddress.mScope = (deviceType == ma_device_type_playback) ? kAudioObjectPropertyScopeOutput : kAudioObjectPropertyScopeInput;
propAddress.mElement = AUDIO_OBJECT_PROPERTY_ELEMENT;
status = ((ma_AudioObjectGetPropertyDataSize_proc)pContext->coreaudio.AudioObjectGetPropertyDataSize)(deviceObjectID, &propAddress, 0, NULL, &dataSize);
if (status != noErr) {
return ma_result_from_OSStatus(status);
}
pChannelLayout = (AudioChannelLayout*)ma_malloc(dataSize, &pContext->allocationCallbacks);
if (pChannelLayout == NULL) {
return MA_OUT_OF_MEMORY;
}
status = ((ma_AudioObjectGetPropertyData_proc)pContext->coreaudio.AudioObjectGetPropertyData)(deviceObjectID, &propAddress, 0, NULL, &dataSize, pChannelLayout);
if (status != noErr) {
ma_free(pChannelLayout, &pContext->allocationCallbacks);
return ma_result_from_OSStatus(status);
}
*ppChannelLayout = pChannelLayout;
return MA_SUCCESS;
}
static ma_result ma_get_AudioObject_channel_count(ma_context* pContext, AudioObjectID deviceObjectID, ma_device_type deviceType, ma_uint32* pChannelCount)
{
AudioChannelLayout* pChannelLayout;
ma_result result;
MA_ASSERT(pContext != NULL);
MA_ASSERT(pChannelCount != NULL);
*pChannelCount = 0;
result = ma_get_AudioObject_channel_layout(pContext, deviceObjectID, deviceType, &pChannelLayout);
if (result != MA_SUCCESS) {
return result;
}
if (pChannelLayout->mChannelLayoutTag == kAudioChannelLayoutTag_UseChannelDescriptions) {
*pChannelCount = pChannelLayout->mNumberChannelDescriptions;
} else if (pChannelLayout->mChannelLayoutTag == kAudioChannelLayoutTag_UseChannelBitmap) {
*pChannelCount = ma_count_set_bits(pChannelLayout->mChannelBitmap);
} else {
*pChannelCount = AudioChannelLayoutTag_GetNumberOfChannels(pChannelLayout->mChannelLayoutTag);
}
ma_free(pChannelLayout, &pContext->allocationCallbacks);
return MA_SUCCESS;
}
#if 0
static ma_result ma_get_AudioObject_channel_map(ma_context* pContext, AudioObjectID deviceObjectID, ma_device_type deviceType, ma_channel* pChannelMap, size_t channelMapCap)
{
AudioChannelLayout* pChannelLayout;
ma_result result;
MA_ASSERT(pContext != NULL);
result = ma_get_AudioObject_channel_layout(pContext, deviceObjectID, deviceType, &pChannelLayout);
if (result != MA_SUCCESS) {
return result;
}
result = ma_get_channel_map_from_AudioChannelLayout(pChannelLayout, pChannelMap, channelMapCap);
if (result != MA_SUCCESS) {
ma_free(pChannelLayout, &pContext->allocationCallbacks);
return result;
}
ma_free(pChannelLayout, &pContext->allocationCallbacks);
return result;
}
#endif
static ma_result ma_get_AudioObject_sample_rates(ma_context* pContext, AudioObjectID deviceObjectID, ma_device_type deviceType, UInt32* pSampleRateRangesCount, AudioValueRange** ppSampleRateRanges)
{
AudioObjectPropertyAddress propAddress;
UInt32 dataSize;
OSStatus status;
AudioValueRange* pSampleRateRanges;
MA_ASSERT(pContext != NULL);
MA_ASSERT(pSampleRateRangesCount != NULL);
MA_ASSERT(ppSampleRateRanges != NULL);
*pSampleRateRangesCount = 0;
*ppSampleRateRanges = NULL;
propAddress.mSelector = kAudioDevicePropertyAvailableNominalSampleRates;
propAddress.mScope = (deviceType == ma_device_type_playback) ? kAudioObjectPropertyScopeOutput : kAudioObjectPropertyScopeInput;
propAddress.mElement = AUDIO_OBJECT_PROPERTY_ELEMENT;
status = ((ma_AudioObjectGetPropertyDataSize_proc)pContext->coreaudio.AudioObjectGetPropertyDataSize)(deviceObjectID, &propAddress, 0, NULL, &dataSize);
if (status != noErr) {
return ma_result_from_OSStatus(status);
}
pSampleRateRanges = (AudioValueRange*)ma_malloc(dataSize, &pContext->allocationCallbacks);
if (pSampleRateRanges == NULL) {
return MA_OUT_OF_MEMORY;
}
status = ((ma_AudioObjectGetPropertyData_proc)pContext->coreaudio.AudioObjectGetPropertyData)(deviceObjectID, &propAddress, 0, NULL, &dataSize, pSampleRateRanges);
if (status != noErr) {
ma_free(pSampleRateRanges, &pContext->allocationCallbacks);
return ma_result_from_OSStatus(status);
}
*pSampleRateRangesCount = dataSize / sizeof(*pSampleRateRanges);
*ppSampleRateRanges = pSampleRateRanges;
return MA_SUCCESS;
}
#if 0
static ma_result ma_get_AudioObject_get_closest_sample_rate(ma_context* pContext, AudioObjectID deviceObjectID, ma_device_type deviceType, ma_uint32 sampleRateIn, ma_uint32* pSampleRateOut)
{
UInt32 sampleRateRangeCount;
AudioValueRange* pSampleRateRanges;
ma_result result;
MA_ASSERT(pContext != NULL);
MA_ASSERT(pSampleRateOut != NULL);
*pSampleRateOut = 0;
result = ma_get_AudioObject_sample_rates(pContext, deviceObjectID, deviceType, &sampleRateRangeCount, &pSampleRateRanges);
if (result != MA_SUCCESS) {
return result;
}
if (sampleRateRangeCount == 0) {
ma_free(pSampleRateRanges, &pContext->allocationCallbacks);
return MA_ERROR;
}
if (sampleRateIn == 0) {
UInt32 iMALSampleRate;
for (iMALSampleRate = 0; iMALSampleRate < ma_countof(g_maStandardSampleRatePriorities); ++iMALSampleRate) {
ma_uint32 malSampleRate = g_maStandardSampleRatePriorities[iMALSampleRate];
UInt32 iCASampleRate;
for (iCASampleRate = 0; iCASampleRate < sampleRateRangeCount; ++iCASampleRate) {
AudioValueRange caSampleRate = pSampleRateRanges[iCASampleRate];
if (caSampleRate.mMinimum <= malSampleRate && caSampleRate.mMaximum >= malSampleRate) {
*pSampleRateOut = malSampleRate;
ma_free(pSampleRateRanges, &pContext->allocationCallbacks);
return MA_SUCCESS;
}
}
}
MA_ASSERT(sampleRateRangeCount > 0);
*pSampleRateOut = pSampleRateRanges[0].mMinimum;
ma_free(pSampleRateRanges, &pContext->allocationCallbacks);
return MA_SUCCESS;
} else {
UInt32 currentAbsoluteDifference = INT32_MAX;
UInt32 iCurrentClosestRange = (UInt32)-1;
UInt32 iRange;
for (iRange = 0; iRange < sampleRateRangeCount; ++iRange) {
if (pSampleRateRanges[iRange].mMinimum <= sampleRateIn && pSampleRateRanges[iRange].mMaximum >= sampleRateIn) {
*pSampleRateOut = sampleRateIn;
ma_free(pSampleRateRanges, &pContext->allocationCallbacks);
return MA_SUCCESS;
} else {
UInt32 absoluteDifference;
if (pSampleRateRanges[iRange].mMinimum > sampleRateIn) {
absoluteDifference = pSampleRateRanges[iRange].mMinimum - sampleRateIn;
} else {
absoluteDifference = sampleRateIn - pSampleRateRanges[iRange].mMaximum;
}
if (currentAbsoluteDifference > absoluteDifference) {
currentAbsoluteDifference = absoluteDifference;
iCurrentClosestRange = iRange;
}
}
}
MA_ASSERT(iCurrentClosestRange != (UInt32)-1);
*pSampleRateOut = pSampleRateRanges[iCurrentClosestRange].mMinimum;
ma_free(pSampleRateRanges, &pContext->allocationCallbacks);
return MA_SUCCESS;
}
}
#endif
static ma_result ma_get_AudioObject_closest_buffer_size_in_frames(ma_context* pContext, AudioObjectID deviceObjectID, ma_device_type deviceType, ma_uint32 bufferSizeInFramesIn, ma_uint32* pBufferSizeInFramesOut)
{
AudioObjectPropertyAddress propAddress;
AudioValueRange bufferSizeRange;
UInt32 dataSize;
OSStatus status;
MA_ASSERT(pContext != NULL);
MA_ASSERT(pBufferSizeInFramesOut != NULL);
*pBufferSizeInFramesOut = 0;
propAddress.mSelector = kAudioDevicePropertyBufferFrameSizeRange;
propAddress.mScope = (deviceType == ma_device_type_playback) ? kAudioObjectPropertyScopeOutput : kAudioObjectPropertyScopeInput;
propAddress.mElement = AUDIO_OBJECT_PROPERTY_ELEMENT;
dataSize = sizeof(bufferSizeRange);
status = ((ma_AudioObjectGetPropertyData_proc)pContext->coreaudio.AudioObjectGetPropertyData)(deviceObjectID, &propAddress, 0, NULL, &dataSize, &bufferSizeRange);
if (status != noErr) {
return ma_result_from_OSStatus(status);
}
if (bufferSizeInFramesIn < bufferSizeRange.mMinimum) {
*pBufferSizeInFramesOut = (ma_uint32)bufferSizeRange.mMinimum;
} else if (bufferSizeInFramesIn > bufferSizeRange.mMaximum) {
*pBufferSizeInFramesOut = (ma_uint32)bufferSizeRange.mMaximum;
} else {
*pBufferSizeInFramesOut = bufferSizeInFramesIn;
}
return MA_SUCCESS;
}
static ma_result ma_set_AudioObject_buffer_size_in_frames(ma_context* pContext, AudioObjectID deviceObjectID, ma_device_type deviceType, ma_uint32* pPeriodSizeInOut)
{
ma_result result;
ma_uint32 chosenBufferSizeInFrames;
AudioObjectPropertyAddress propAddress;
UInt32 dataSize;
OSStatus status;
MA_ASSERT(pContext != NULL);
result = ma_get_AudioObject_closest_buffer_size_in_frames(pContext, deviceObjectID, deviceType, *pPeriodSizeInOut, &chosenBufferSizeInFrames);
if (result != MA_SUCCESS) {
return result;
}
propAddress.mSelector = kAudioDevicePropertyBufferFrameSize;
propAddress.mScope = (deviceType == ma_device_type_playback) ? kAudioObjectPropertyScopeOutput : kAudioObjectPropertyScopeInput;
propAddress.mElement = AUDIO_OBJECT_PROPERTY_ELEMENT;
((ma_AudioObjectSetPropertyData_proc)pContext->coreaudio.AudioObjectSetPropertyData)(deviceObjectID, &propAddress, 0, NULL, sizeof(chosenBufferSizeInFrames), &chosenBufferSizeInFrames);
dataSize = sizeof(*pPeriodSizeInOut);
status = ((ma_AudioObjectGetPropertyData_proc)pContext->coreaudio.AudioObjectGetPropertyData)(deviceObjectID, &propAddress, 0, NULL, &dataSize, &chosenBufferSizeInFrames);
if (status != noErr) {
return ma_result_from_OSStatus(status);
}
*pPeriodSizeInOut = chosenBufferSizeInFrames;
return MA_SUCCESS;
}
static ma_result ma_find_default_AudioObjectID(ma_context* pContext, ma_device_type deviceType, AudioObjectID* pDeviceObjectID)
{
AudioObjectPropertyAddress propAddressDefaultDevice;
UInt32 defaultDeviceObjectIDSize = sizeof(AudioObjectID);
AudioObjectID defaultDeviceObjectID;
OSStatus status;
MA_ASSERT(pContext != NULL);
MA_ASSERT(pDeviceObjectID != NULL);
*pDeviceObjectID = 0;
propAddressDefaultDevice.mScope = kAudioObjectPropertyScopeGlobal;
propAddressDefaultDevice.mElement = AUDIO_OBJECT_PROPERTY_ELEMENT;
if (deviceType == ma_device_type_playback) {
propAddressDefaultDevice.mSelector = kAudioHardwarePropertyDefaultOutputDevice;
} else {
propAddressDefaultDevice.mSelector = kAudioHardwarePropertyDefaultInputDevice;
}
defaultDeviceObjectIDSize = sizeof(AudioObjectID);
status = ((ma_AudioObjectGetPropertyData_proc)pContext->coreaudio.AudioObjectGetPropertyData)(kAudioObjectSystemObject, &propAddressDefaultDevice, 0, NULL, &defaultDeviceObjectIDSize, &defaultDeviceObjectID);
if (status == noErr) {
*pDeviceObjectID = defaultDeviceObjectID;
return MA_SUCCESS;
}
return MA_NO_DEVICE;
}
static ma_result ma_find_AudioObjectID(ma_context* pContext, ma_device_type deviceType, const ma_device_id* pDeviceID, AudioObjectID* pDeviceObjectID)
{
MA_ASSERT(pContext != NULL);
MA_ASSERT(pDeviceObjectID != NULL);
*pDeviceObjectID = 0;
if (pDeviceID == NULL) {
return ma_find_default_AudioObjectID(pContext, deviceType, pDeviceObjectID);
} else {
UInt32 deviceCount;
AudioObjectID* pDeviceObjectIDs;
ma_result result;
UInt32 iDevice;
result = ma_get_device_object_ids__coreaudio(pContext, &deviceCount, &pDeviceObjectIDs);
if (result != MA_SUCCESS) {
return result;
}
for (iDevice = 0; iDevice < deviceCount; ++iDevice) {
AudioObjectID deviceObjectID = pDeviceObjectIDs[iDevice];
char uid[256];
if (ma_get_AudioObject_uid(pContext, deviceObjectID, sizeof(uid), uid) != MA_SUCCESS) {
continue;
}
if (deviceType == ma_device_type_playback) {
if (ma_does_AudioObject_support_playback(pContext, deviceObjectID)) {
if (strcmp(uid, pDeviceID->coreaudio) == 0) {
*pDeviceObjectID = deviceObjectID;
ma_free(pDeviceObjectIDs, &pContext->allocationCallbacks);
return MA_SUCCESS;
}
}
} else {
if (ma_does_AudioObject_support_capture(pContext, deviceObjectID)) {
if (strcmp(uid, pDeviceID->coreaudio) == 0) {
*pDeviceObjectID = deviceObjectID;
ma_free(pDeviceObjectIDs, &pContext->allocationCallbacks);
return MA_SUCCESS;
}
}
}
}
ma_free(pDeviceObjectIDs, &pContext->allocationCallbacks);
}
return MA_NO_DEVICE;
}
static ma_result ma_find_best_format__coreaudio(ma_context* pContext, AudioObjectID deviceObjectID, ma_device_type deviceType, ma_format format, ma_uint32 channels, ma_uint32 sampleRate, const AudioStreamBasicDescription* pOrigFormat, AudioStreamBasicDescription* pFormat)
{
UInt32 deviceFormatDescriptionCount;
AudioStreamRangedDescription* pDeviceFormatDescriptions;
ma_result result;
ma_uint32 desiredSampleRate;
ma_uint32 desiredChannelCount;
ma_format desiredFormat;
AudioStreamBasicDescription bestDeviceFormatSoFar;
ma_bool32 hasSupportedFormat;
UInt32 iFormat;
result = ma_get_AudioObject_stream_descriptions(pContext, deviceObjectID, deviceType, &deviceFormatDescriptionCount, &pDeviceFormatDescriptions);
if (result != MA_SUCCESS) {
return result;
}
desiredSampleRate = sampleRate;
if (desiredSampleRate == 0) {
desiredSampleRate = (ma_uint32)pOrigFormat->mSampleRate;
}
desiredChannelCount = channels;
if (desiredChannelCount == 0) {
desiredChannelCount = pOrigFormat->mChannelsPerFrame;
}
desiredFormat = format;
if (desiredFormat == ma_format_unknown) {
result = ma_format_from_AudioStreamBasicDescription(pOrigFormat, &desiredFormat);
if (result != MA_SUCCESS || desiredFormat == ma_format_unknown) {
desiredFormat = g_maFormatPriorities[0];
}
}
MA_ZERO_OBJECT(&bestDeviceFormatSoFar);
hasSupportedFormat = MA_FALSE;
for (iFormat = 0; iFormat < deviceFormatDescriptionCount; ++iFormat) {
ma_format formatFromDescription;
ma_result formatResult = ma_format_from_AudioStreamBasicDescription(&pDeviceFormatDescriptions[iFormat].mFormat, &formatFromDescription);
if (formatResult == MA_SUCCESS && formatFromDescription != ma_format_unknown) {
hasSupportedFormat = MA_TRUE;
bestDeviceFormatSoFar = pDeviceFormatDescriptions[iFormat].mFormat;
break;
}
}
if (!hasSupportedFormat) {
ma_free(pDeviceFormatDescriptions, &pContext->allocationCallbacks);
return MA_FORMAT_NOT_SUPPORTED;
}
for (iFormat = 0; iFormat < deviceFormatDescriptionCount; ++iFormat) {
AudioStreamBasicDescription thisDeviceFormat = pDeviceFormatDescriptions[iFormat].mFormat;
ma_format thisSampleFormat;
ma_result formatResult;
ma_format bestSampleFormatSoFar;
formatResult = ma_format_from_AudioStreamBasicDescription(&pDeviceFormatDescriptions[iFormat].mFormat, &thisSampleFormat);
if (formatResult != MA_SUCCESS || thisSampleFormat == ma_format_unknown) {
continue;
}
ma_format_from_AudioStreamBasicDescription(&bestDeviceFormatSoFar, &bestSampleFormatSoFar);
if (thisDeviceFormat.mSampleRate != desiredSampleRate) {
if (bestDeviceFormatSoFar.mSampleRate == desiredSampleRate) {
continue;
} else {
if (thisDeviceFormat.mChannelsPerFrame != desiredChannelCount) {
if (bestDeviceFormatSoFar.mChannelsPerFrame == desiredChannelCount) {
continue;
} else {
if (ma_get_format_priority_index(thisSampleFormat) < ma_get_format_priority_index(bestSampleFormatSoFar)) {
bestDeviceFormatSoFar = thisDeviceFormat;
continue;
} else {
continue;
}
}
} else {
if (bestDeviceFormatSoFar.mChannelsPerFrame == desiredChannelCount) {
if (ma_get_format_priority_index(thisSampleFormat) < ma_get_format_priority_index(bestSampleFormatSoFar)) {
bestDeviceFormatSoFar = thisDeviceFormat;
continue;
} else {
continue;
}
} else {
bestDeviceFormatSoFar = thisDeviceFormat;
continue;
}
}
}
} else {
if (bestDeviceFormatSoFar.mSampleRate != desiredSampleRate) {
bestDeviceFormatSoFar = thisDeviceFormat;
continue;
} else {
if (thisDeviceFormat.mChannelsPerFrame == desiredChannelCount) {
if (bestDeviceFormatSoFar.mChannelsPerFrame != desiredChannelCount) {
bestDeviceFormatSoFar = thisDeviceFormat;
continue;
} else {
if (thisSampleFormat == desiredFormat) {
bestDeviceFormatSoFar = thisDeviceFormat;
break;
} else {
if (ma_get_format_priority_index(thisSampleFormat) < ma_get_format_priority_index(bestSampleFormatSoFar)) {
bestDeviceFormatSoFar = thisDeviceFormat;
continue;
} else {
continue;
}
}
}
} else {
if (bestDeviceFormatSoFar.mChannelsPerFrame == desiredChannelCount) {
continue;
} else {
if (thisSampleFormat == bestSampleFormatSoFar) {
if (ma_get_format_priority_index(thisSampleFormat) < ma_get_format_priority_index(bestSampleFormatSoFar)) {
bestDeviceFormatSoFar = thisDeviceFormat;
continue;
} else {
continue;
}
}
}
}
}
}
}
*pFormat = bestDeviceFormatSoFar;
ma_free(pDeviceFormatDescriptions, &pContext->allocationCallbacks);
return MA_SUCCESS;
}
static ma_result ma_get_AudioUnit_channel_map(ma_context* pContext, AudioUnit audioUnit, ma_device_type deviceType, ma_channel* pChannelMap, size_t channelMapCap)
{
AudioUnitScope deviceScope;
AudioUnitElement deviceBus;
UInt32 channelLayoutSize;
OSStatus status;
AudioChannelLayout* pChannelLayout;
ma_result result;
MA_ASSERT(pContext != NULL);
if (deviceType == ma_device_type_playback) {
deviceScope = kAudioUnitScope_Input;
deviceBus = MA_COREAUDIO_OUTPUT_BUS;
} else {
deviceScope = kAudioUnitScope_Output;
deviceBus = MA_COREAUDIO_INPUT_BUS;
}
status = ((ma_AudioUnitGetPropertyInfo_proc)pContext->coreaudio.AudioUnitGetPropertyInfo)(audioUnit, kAudioUnitProperty_AudioChannelLayout, deviceScope, deviceBus, &channelLayoutSize, NULL);
if (status != noErr) {
return ma_result_from_OSStatus(status);
}
pChannelLayout = (AudioChannelLayout*)ma_malloc(channelLayoutSize, &pContext->allocationCallbacks);
if (pChannelLayout == NULL) {
return MA_OUT_OF_MEMORY;
}
status = ((ma_AudioUnitGetProperty_proc)pContext->coreaudio.AudioUnitGetProperty)(audioUnit, kAudioUnitProperty_AudioChannelLayout, deviceScope, deviceBus, pChannelLayout, &channelLayoutSize);
if (status != noErr) {
ma_free(pChannelLayout, &pContext->allocationCallbacks);
return ma_result_from_OSStatus(status);
}
result = ma_get_channel_map_from_AudioChannelLayout(pChannelLayout, pChannelMap, channelMapCap);
if (result != MA_SUCCESS) {
ma_free(pChannelLayout, &pContext->allocationCallbacks);
return result;
}
ma_free(pChannelLayout, &pContext->allocationCallbacks);
return MA_SUCCESS;
}
#endif
#if !defined(MA_APPLE_DESKTOP)
static void ma_AVAudioSessionPortDescription_to_device_info(AVAudioSessionPortDescription* pPortDesc, ma_device_info* pInfo)
{
MA_ZERO_OBJECT(pInfo);
ma_strncpy_s(pInfo->name, sizeof(pInfo->name), [pPortDesc.portName UTF8String], (size_t)-1);
ma_strncpy_s(pInfo->id.coreaudio, sizeof(pInfo->id.coreaudio), [pPortDesc.UID UTF8String], (size_t)-1);
}
#endif
static ma_result ma_context_enumerate_devices__coreaudio(ma_context* pContext, ma_enum_devices_callback_proc callback, void* pUserData)
{
#if defined(MA_APPLE_DESKTOP)
UInt32 deviceCount;
AudioObjectID* pDeviceObjectIDs;
AudioObjectID defaultDeviceObjectIDPlayback;
AudioObjectID defaultDeviceObjectIDCapture;
ma_result result;
UInt32 iDevice;
ma_find_default_AudioObjectID(pContext, ma_device_type_playback, &defaultDeviceObjectIDPlayback);
ma_find_default_AudioObjectID(pContext, ma_device_type_capture, &defaultDeviceObjectIDCapture);
result = ma_get_device_object_ids__coreaudio(pContext, &deviceCount, &pDeviceObjectIDs);
if (result != MA_SUCCESS) {
return result;
}
for (iDevice = 0; iDevice < deviceCount; ++iDevice) {
AudioObjectID deviceObjectID = pDeviceObjectIDs[iDevice];
ma_device_info info;
MA_ZERO_OBJECT(&info);
if (ma_get_AudioObject_uid(pContext, deviceObjectID, sizeof(info.id.coreaudio), info.id.coreaudio) != MA_SUCCESS) {
continue;
}
if (ma_get_AudioObject_name(pContext, deviceObjectID, sizeof(info.name), info.name) != MA_SUCCESS) {
continue;
}
if (ma_does_AudioObject_support_playback(pContext, deviceObjectID)) {
if (deviceObjectID == defaultDeviceObjectIDPlayback) {
info.isDefault = MA_TRUE;
}
if (!callback(pContext, ma_device_type_playback, &info, pUserData)) {
break;
}
}
if (ma_does_AudioObject_support_capture(pContext, deviceObjectID)) {
if (deviceObjectID == defaultDeviceObjectIDCapture) {
info.isDefault = MA_TRUE;
}
if (!callback(pContext, ma_device_type_capture, &info, pUserData)) {
break;
}
}
}
ma_free(pDeviceObjectIDs, &pContext->allocationCallbacks);
#else
ma_device_info info;
NSArray *pInputs = [[[AVAudioSession sharedInstance] currentRoute] inputs];
NSArray *pOutputs = [[[AVAudioSession sharedInstance] currentRoute] outputs];
for (AVAudioSessionPortDescription* pPortDesc in pOutputs) {
ma_AVAudioSessionPortDescription_to_device_info(pPortDesc, &info);
if (!callback(pContext, ma_device_type_playback, &info, pUserData)) {
return MA_SUCCESS;
}
}
for (AVAudioSessionPortDescription* pPortDesc in pInputs) {
ma_AVAudioSessionPortDescription_to_device_info(pPortDesc, &info);
if (!callback(pContext, ma_device_type_capture, &info, pUserData)) {
return MA_SUCCESS;
}
}
#endif
return MA_SUCCESS;
}
static ma_result ma_context_get_device_info__coreaudio(ma_context* pContext, ma_device_type deviceType, const ma_device_id* pDeviceID, ma_device_info* pDeviceInfo)
{
ma_result result;
MA_ASSERT(pContext != NULL);
#if defined(MA_APPLE_DESKTOP)
{
AudioObjectID deviceObjectID;
AudioObjectID defaultDeviceObjectID;
UInt32 streamDescriptionCount;
AudioStreamRangedDescription* pStreamDescriptions;
UInt32 iStreamDescription;
UInt32 sampleRateRangeCount;
AudioValueRange* pSampleRateRanges;
ma_find_default_AudioObjectID(pContext, deviceType, &defaultDeviceObjectID);
result = ma_find_AudioObjectID(pContext, deviceType, pDeviceID, &deviceObjectID);
if (result != MA_SUCCESS) {
return result;
}
result = ma_get_AudioObject_uid(pContext, deviceObjectID, sizeof(pDeviceInfo->id.coreaudio), pDeviceInfo->id.coreaudio);
if (result != MA_SUCCESS) {
return result;
}
result = ma_get_AudioObject_name(pContext, deviceObjectID, sizeof(pDeviceInfo->name), pDeviceInfo->name);
if (result != MA_SUCCESS) {
return result;
}
if (deviceObjectID == defaultDeviceObjectID) {
pDeviceInfo->isDefault = MA_TRUE;
}
pDeviceInfo->nativeDataFormatCount = 0;
{
ma_format uniqueFormats[ma_format_count];
ma_uint32 uniqueFormatCount = 0;
ma_uint32 channels;
result = ma_get_AudioObject_channel_count(pContext, deviceObjectID, deviceType, &channels);
if (result != MA_SUCCESS) {
return result;
}
result = ma_get_AudioObject_stream_descriptions(pContext, deviceObjectID, deviceType, &streamDescriptionCount, &pStreamDescriptions);
if (result != MA_SUCCESS) {
return result;
}
for (iStreamDescription = 0; iStreamDescription < streamDescriptionCount; ++iStreamDescription) {
ma_format format;
ma_bool32 hasFormatBeenHandled = MA_FALSE;
ma_uint32 iOutputFormat;
ma_uint32 iSampleRate;
result = ma_format_from_AudioStreamBasicDescription(&pStreamDescriptions[iStreamDescription].mFormat, &format);
if (result != MA_SUCCESS) {
continue;
}
MA_ASSERT(format != ma_format_unknown);
for (iOutputFormat = 0; iOutputFormat < uniqueFormatCount; ++iOutputFormat) {
if (uniqueFormats[iOutputFormat] == format) {
hasFormatBeenHandled = MA_TRUE;
break;
}
}
if (hasFormatBeenHandled) {
continue;
}
uniqueFormats[uniqueFormatCount] = format;
uniqueFormatCount += 1;
result = ma_get_AudioObject_sample_rates(pContext, deviceObjectID, deviceType, &sampleRateRangeCount, &pSampleRateRanges);
if (result != MA_SUCCESS) {
return result;
}
for (iSampleRate = 0; iSampleRate < sampleRateRangeCount; ++iSampleRate) {
ma_uint32 iStandardSampleRate;
for (iStandardSampleRate = 0; iStandardSampleRate < ma_countof(g_maStandardSampleRatePriorities); iStandardSampleRate += 1) {
ma_uint32 standardSampleRate = g_maStandardSampleRatePriorities[iStandardSampleRate];
if (standardSampleRate >= pSampleRateRanges[iSampleRate].mMinimum && standardSampleRate <= pSampleRateRanges[iSampleRate].mMaximum) {
pDeviceInfo->nativeDataFormats[pDeviceInfo->nativeDataFormatCount].format = format;
pDeviceInfo->nativeDataFormats[pDeviceInfo->nativeDataFormatCount].channels = channels;
pDeviceInfo->nativeDataFormats[pDeviceInfo->nativeDataFormatCount].sampleRate = standardSampleRate;
pDeviceInfo->nativeDataFormats[pDeviceInfo->nativeDataFormatCount].flags = 0;
pDeviceInfo->nativeDataFormatCount += 1;
if (pDeviceInfo->nativeDataFormatCount >= ma_countof(pDeviceInfo->nativeDataFormats)) {
break;
}
}
}
}
ma_free(pSampleRateRanges, &pContext->allocationCallbacks);
if (pDeviceInfo->nativeDataFormatCount >= ma_countof(pDeviceInfo->nativeDataFormats)) {
break;
}
}
ma_free(pStreamDescriptions, &pContext->allocationCallbacks);
}
}
#else
{
AudioComponentDescription desc;
AudioComponent component;
AudioUnit audioUnit;
OSStatus status;
AudioUnitScope formatScope;
AudioUnitElement formatElement;
AudioStreamBasicDescription bestFormat;
UInt32 propSize;
if (pDeviceID != NULL && pDeviceID->coreaudio[0] != '\0') {
ma_bool32 found = MA_FALSE;
if (deviceType == ma_device_type_playback) {
NSArray *pOutputs = [[[AVAudioSession sharedInstance] currentRoute] outputs];
for (AVAudioSessionPortDescription* pPortDesc in pOutputs) {
if (strcmp(pDeviceID->coreaudio, [pPortDesc.UID UTF8String]) == 0) {
ma_AVAudioSessionPortDescription_to_device_info(pPortDesc, pDeviceInfo);
found = MA_TRUE;
break;
}
}
} else {
NSArray *pInputs = [[[AVAudioSession sharedInstance] currentRoute] inputs];
for (AVAudioSessionPortDescription* pPortDesc in pInputs) {
if (strcmp(pDeviceID->coreaudio, [pPortDesc.UID UTF8String]) == 0) {
ma_AVAudioSessionPortDescription_to_device_info(pPortDesc, pDeviceInfo);
found = MA_TRUE;
break;
}
}
}
if (!found) {
return MA_DOES_NOT_EXIST;
}
} else {
if (deviceType == ma_device_type_playback) {
ma_strncpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), MA_DEFAULT_PLAYBACK_DEVICE_NAME, (size_t)-1);
} else {
ma_strncpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), MA_DEFAULT_CAPTURE_DEVICE_NAME, (size_t)-1);
}
}
desc.componentType = kAudioUnitType_Output;
desc.componentSubType = kAudioUnitSubType_RemoteIO;
desc.componentManufacturer = kAudioUnitManufacturer_Apple;
desc.componentFlags = 0;
desc.componentFlagsMask = 0;
component = ((ma_AudioComponentFindNext_proc)pContext->coreaudio.AudioComponentFindNext)(NULL, &desc);
if (component == NULL) {
return MA_FAILED_TO_INIT_BACKEND;
}
status = ((ma_AudioComponentInstanceNew_proc)pContext->coreaudio.AudioComponentInstanceNew)(component, &audioUnit);
if (status != noErr) {
return ma_result_from_OSStatus(status);
}
formatScope = (deviceType == ma_device_type_playback) ? kAudioUnitScope_Input : kAudioUnitScope_Output;
formatElement = (deviceType == ma_device_type_playback) ? MA_COREAUDIO_OUTPUT_BUS : MA_COREAUDIO_INPUT_BUS;
propSize = sizeof(bestFormat);
status = ((ma_AudioUnitGetProperty_proc)pContext->coreaudio.AudioUnitGetProperty)(audioUnit, kAudioUnitProperty_StreamFormat, formatScope, formatElement, &bestFormat, &propSize);
if (status != noErr) {
((ma_AudioComponentInstanceDispose_proc)pContext->coreaudio.AudioComponentInstanceDispose)(audioUnit);
return ma_result_from_OSStatus(status);
}
((ma_AudioComponentInstanceDispose_proc)pContext->coreaudio.AudioComponentInstanceDispose)(audioUnit);
audioUnit = NULL;
pDeviceInfo->nativeDataFormatCount = 1;
result = ma_format_from_AudioStreamBasicDescription(&bestFormat, &pDeviceInfo->nativeDataFormats[0].format);
if (result != MA_SUCCESS) {
return result;
}
pDeviceInfo->nativeDataFormats[0].channels = bestFormat.mChannelsPerFrame;
@autoreleasepool {
AVAudioSession* pAudioSession = [AVAudioSession sharedInstance];
MA_ASSERT(pAudioSession != NULL);
pDeviceInfo->nativeDataFormats[0].sampleRate = (ma_uint32)pAudioSession.sampleRate;
}
}
#endif
(void)pDeviceInfo;
return MA_SUCCESS;
}
static AudioBufferList* ma_allocate_AudioBufferList__coreaudio(ma_uint32 sizeInFrames, ma_format format, ma_uint32 channels, ma_stream_layout layout, const ma_allocation_callbacks* pAllocationCallbacks)
{
AudioBufferList* pBufferList;
UInt32 audioBufferSizeInBytes;
size_t allocationSize;
MA_ASSERT(sizeInFrames > 0);
MA_ASSERT(format != ma_format_unknown);
MA_ASSERT(channels > 0);
allocationSize = sizeof(AudioBufferList) - sizeof(AudioBuffer);
if (layout == ma_stream_layout_interleaved) {
allocationSize += sizeof(AudioBuffer) * 1;
} else {
allocationSize += sizeof(AudioBuffer) * channels;
}
allocationSize += sizeInFrames * ma_get_bytes_per_frame(format, channels);
pBufferList = (AudioBufferList*)ma_malloc(allocationSize, pAllocationCallbacks);
if (pBufferList == NULL) {
return NULL;
}
audioBufferSizeInBytes = (UInt32)(sizeInFrames * ma_get_bytes_per_sample(format));
if (layout == ma_stream_layout_interleaved) {
pBufferList->mNumberBuffers = 1;
pBufferList->mBuffers[0].mNumberChannels = channels;
pBufferList->mBuffers[0].mDataByteSize = audioBufferSizeInBytes * channels;
pBufferList->mBuffers[0].mData = (ma_uint8*)pBufferList + sizeof(AudioBufferList);
} else {
ma_uint32 iBuffer;
pBufferList->mNumberBuffers = channels;
for (iBuffer = 0; iBuffer < pBufferList->mNumberBuffers; ++iBuffer) {
pBufferList->mBuffers[iBuffer].mNumberChannels = 1;
pBufferList->mBuffers[iBuffer].mDataByteSize = audioBufferSizeInBytes;
pBufferList->mBuffers[iBuffer].mData = (ma_uint8*)pBufferList + ((sizeof(AudioBufferList) - sizeof(AudioBuffer)) + (sizeof(AudioBuffer) * channels)) + (audioBufferSizeInBytes * iBuffer);
}
}
return pBufferList;
}
static ma_result ma_device_realloc_AudioBufferList__coreaudio(ma_device* pDevice, ma_uint32 sizeInFrames, ma_format format, ma_uint32 channels, ma_stream_layout layout)
{
MA_ASSERT(pDevice != NULL);
MA_ASSERT(format != ma_format_unknown);
MA_ASSERT(channels > 0);
if (pDevice->coreaudio.audioBufferCapInFrames < sizeInFrames) {
AudioBufferList* pNewAudioBufferList;
pNewAudioBufferList = ma_allocate_AudioBufferList__coreaudio(sizeInFrames, format, channels, layout, &pDevice->pContext->allocationCallbacks);
if (pNewAudioBufferList == NULL) {
return MA_OUT_OF_MEMORY;
}
ma_free(pDevice->coreaudio.pAudioBufferList, &pDevice->pContext->allocationCallbacks);
pDevice->coreaudio.pAudioBufferList = pNewAudioBufferList;
pDevice->coreaudio.audioBufferCapInFrames = sizeInFrames;
}
return MA_SUCCESS;
}
static OSStatus ma_on_output__coreaudio(void* pUserData, AudioUnitRenderActionFlags* pActionFlags, const AudioTimeStamp* pTimeStamp, UInt32 busNumber, UInt32 frameCount, AudioBufferList* pBufferList)
{
ma_device* pDevice = (ma_device*)pUserData;
ma_stream_layout layout;
MA_ASSERT(pDevice != NULL);
layout = ma_stream_layout_interleaved;
if (pBufferList->mBuffers[0].mNumberChannels != pDevice->playback.internalChannels) {
layout = ma_stream_layout_deinterleaved;
}
if (layout == ma_stream_layout_interleaved) {
UInt32 iBuffer;
for (iBuffer = 0; iBuffer < pBufferList->mNumberBuffers; ++iBuffer) {
if (pBufferList->mBuffers[iBuffer].mNumberChannels == pDevice->playback.internalChannels) {
ma_uint32 frameCountForThisBuffer = pBufferList->mBuffers[iBuffer].mDataByteSize / ma_get_bytes_per_frame(pDevice->playback.internalFormat, pDevice->playback.internalChannels);
if (frameCountForThisBuffer > 0) {
ma_device_handle_backend_data_callback(pDevice, pBufferList->mBuffers[iBuffer].mData, NULL, frameCountForThisBuffer);
}
} else {
MA_ZERO_MEMORY(pBufferList->mBuffers[iBuffer].mData, pBufferList->mBuffers[iBuffer].mDataByteSize);
}
}
} else {
MA_ASSERT(pDevice->playback.internalChannels <= MA_MAX_CHANNELS);
if ((pBufferList->mNumberBuffers % pDevice->playback.internalChannels) == 0) {
ma_uint8 tempBuffer[4096];
UInt32 iBuffer;
for (iBuffer = 0; iBuffer < pBufferList->mNumberBuffers; iBuffer += pDevice->playback.internalChannels) {
ma_uint32 frameCountPerBuffer = pBufferList->mBuffers[iBuffer].mDataByteSize / ma_get_bytes_per_sample(pDevice->playback.internalFormat);
ma_uint32 framesRemaining = frameCountPerBuffer;
while (framesRemaining > 0) {
void* ppDeinterleavedBuffers[MA_MAX_CHANNELS];
ma_uint32 iChannel;
ma_uint32 framesToRead = sizeof(tempBuffer) / ma_get_bytes_per_frame(pDevice->playback.internalFormat, pDevice->playback.internalChannels);
if (framesToRead > framesRemaining) {
framesToRead = framesRemaining;
}
ma_device_handle_backend_data_callback(pDevice, tempBuffer, NULL, framesToRead);
for (iChannel = 0; iChannel < pDevice->playback.internalChannels; ++iChannel) {
ppDeinterleavedBuffers[iChannel] = (void*)ma_offset_ptr(pBufferList->mBuffers[iBuffer+iChannel].mData, (frameCountPerBuffer - framesRemaining) * ma_get_bytes_per_sample(pDevice->playback.internalFormat));
}
ma_deinterleave_pcm_frames(pDevice->playback.internalFormat, pDevice->playback.internalChannels, framesToRead, tempBuffer, ppDeinterleavedBuffers);
framesRemaining -= framesToRead;
}
}
}
}
(void)pActionFlags;
(void)pTimeStamp;
(void)busNumber;
(void)frameCount;
return noErr;
}
static OSStatus ma_on_input__coreaudio(void* pUserData, AudioUnitRenderActionFlags* pActionFlags, const AudioTimeStamp* pTimeStamp, UInt32 busNumber, UInt32 frameCount, AudioBufferList* pUnusedBufferList)
{
ma_device* pDevice = (ma_device*)pUserData;
AudioBufferList* pRenderedBufferList;
ma_result result;
ma_stream_layout layout;
ma_uint32 iBuffer;
OSStatus status;
MA_ASSERT(pDevice != NULL);
pRenderedBufferList = (AudioBufferList*)pDevice->coreaudio.pAudioBufferList;
MA_ASSERT(pRenderedBufferList);
layout = ma_stream_layout_interleaved;
if (pRenderedBufferList->mBuffers[0].mNumberChannels != pDevice->capture.internalChannels) {
layout = ma_stream_layout_deinterleaved;
}
result = ma_device_realloc_AudioBufferList__coreaudio(pDevice, frameCount, pDevice->capture.internalFormat, pDevice->capture.internalChannels, layout);
if (result != MA_SUCCESS) {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "Failed to allocate AudioBufferList for capture.\n");
return noErr;
}
pRenderedBufferList = (AudioBufferList*)pDevice->coreaudio.pAudioBufferList;
MA_ASSERT(pRenderedBufferList);
for (iBuffer = 0; iBuffer < pRenderedBufferList->mNumberBuffers; ++iBuffer) {
pRenderedBufferList->mBuffers[iBuffer].mDataByteSize = pDevice->coreaudio.audioBufferCapInFrames * ma_get_bytes_per_sample(pDevice->capture.internalFormat) * pRenderedBufferList->mBuffers[iBuffer].mNumberChannels;
}
status = ((ma_AudioUnitRender_proc)pDevice->pContext->coreaudio.AudioUnitRender)((AudioUnit)pDevice->coreaudio.audioUnitCapture, pActionFlags, pTimeStamp, busNumber, frameCount, pRenderedBufferList);
if (status != noErr) {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_DEBUG, "ERROR: AudioUnitRender() failed with %d.\n", (int)status);
return status;
}
if (layout == ma_stream_layout_interleaved) {
for (iBuffer = 0; iBuffer < pRenderedBufferList->mNumberBuffers; ++iBuffer) {
if (pRenderedBufferList->mBuffers[iBuffer].mNumberChannels == pDevice->capture.internalChannels) {
ma_device_handle_backend_data_callback(pDevice, NULL, pRenderedBufferList->mBuffers[iBuffer].mData, frameCount);
} else {
ma_uint8 silentBuffer[4096];
ma_uint32 framesRemaining;
MA_ZERO_MEMORY(silentBuffer, sizeof(silentBuffer));
framesRemaining = frameCount;
while (framesRemaining > 0) {
ma_uint32 framesToSend = sizeof(silentBuffer) / ma_get_bytes_per_frame(pDevice->capture.internalFormat, pDevice->capture.internalChannels);
if (framesToSend > framesRemaining) {
framesToSend = framesRemaining;
}
ma_device_handle_backend_data_callback(pDevice, NULL, silentBuffer, framesToSend);
framesRemaining -= framesToSend;
}
}
}
} else {
MA_ASSERT(pDevice->capture.internalChannels <= MA_MAX_CHANNELS);
if ((pRenderedBufferList->mNumberBuffers % pDevice->capture.internalChannels) == 0) {
ma_uint8 tempBuffer[4096];
for (iBuffer = 0; iBuffer < pRenderedBufferList->mNumberBuffers; iBuffer += pDevice->capture.internalChannels) {
ma_uint32 framesRemaining = frameCount;
while (framesRemaining > 0) {
void* ppDeinterleavedBuffers[MA_MAX_CHANNELS];
ma_uint32 iChannel;
ma_uint32 framesToSend = sizeof(tempBuffer) / ma_get_bytes_per_frame(pDevice->capture.internalFormat, pDevice->capture.internalChannels);
if (framesToSend > framesRemaining) {
framesToSend = framesRemaining;
}
for (iChannel = 0; iChannel < pDevice->capture.internalChannels; ++iChannel) {
ppDeinterleavedBuffers[iChannel] = (void*)ma_offset_ptr(pRenderedBufferList->mBuffers[iBuffer+iChannel].mData, (frameCount - framesRemaining) * ma_get_bytes_per_sample(pDevice->capture.internalFormat));
}
ma_interleave_pcm_frames(pDevice->capture.internalFormat, pDevice->capture.internalChannels, framesToSend, (const void**)ppDeinterleavedBuffers, tempBuffer);
ma_device_handle_backend_data_callback(pDevice, NULL, tempBuffer, framesToSend);
framesRemaining -= framesToSend;
}
}
}
}
(void)pActionFlags;
(void)pTimeStamp;
(void)busNumber;
(void)frameCount;
(void)pUnusedBufferList;
return noErr;
}
static void on_start_stop__coreaudio(void* pUserData, AudioUnit audioUnit, AudioUnitPropertyID propertyID, AudioUnitScope scope, AudioUnitElement element)
{
ma_device* pDevice = (ma_device*)pUserData;
MA_ASSERT(pDevice != NULL);
if (((audioUnit == pDevice->coreaudio.audioUnitPlayback) && pDevice->coreaudio.isSwitchingPlaybackDevice) ||
((audioUnit == pDevice->coreaudio.audioUnitCapture) && pDevice->coreaudio.isSwitchingCaptureDevice)) {
return;
}
if (ma_device_get_state(pDevice) == ma_device_state_uninitialized || ma_device_get_state(pDevice) == ma_device_state_stopping || ma_device_get_state(pDevice) == ma_device_state_stopped) {
ma_device__on_notification_stopped(pDevice);
} else {
UInt32 isRunning;
UInt32 isRunningSize = sizeof(isRunning);
OSStatus status = ((ma_AudioUnitGetProperty_proc)pDevice->pContext->coreaudio.AudioUnitGetProperty)(audioUnit, kAudioOutputUnitProperty_IsRunning, scope, element, &isRunning, &isRunningSize);
if (status != noErr) {
goto done;
}
if (!isRunning) {
if (((audioUnit == pDevice->coreaudio.audioUnitPlayback) && pDevice->coreaudio.isDefaultPlaybackDevice) ||
((audioUnit == pDevice->coreaudio.audioUnitCapture) && pDevice->coreaudio.isDefaultCaptureDevice)) {
if (((audioUnit == pDevice->coreaudio.audioUnitPlayback) && pDevice->coreaudio.isSwitchingPlaybackDevice) ||
((audioUnit == pDevice->coreaudio.audioUnitCapture) && pDevice->coreaudio.isSwitchingCaptureDevice)) {
goto done;
}
goto done;
}
ma_device__on_notification_stopped(pDevice);
}
}
(void)propertyID;
done:
ma_event_signal(&pDevice->coreaudio.stopEvent);
}
#if defined(MA_APPLE_DESKTOP)
static ma_spinlock g_DeviceTrackingInitLock_CoreAudio = 0;
static ma_uint32 g_DeviceTrackingInitCounter_CoreAudio = 0;
static ma_mutex g_DeviceTrackingMutex_CoreAudio;
static ma_device** g_ppTrackedDevices_CoreAudio = NULL;
static ma_uint32 g_TrackedDeviceCap_CoreAudio = 0;
static ma_uint32 g_TrackedDeviceCount_CoreAudio = 0;
static OSStatus ma_default_device_changed__coreaudio(AudioObjectID objectID, UInt32 addressCount, const AudioObjectPropertyAddress* pAddresses, void* pUserData)
{
ma_device_type deviceType;
if (addressCount == 0) {
return noErr;
}
if (pAddresses[0].mSelector == kAudioHardwarePropertyDefaultOutputDevice) {
deviceType = ma_device_type_playback;
} else if (pAddresses[0].mSelector == kAudioHardwarePropertyDefaultInputDevice) {
deviceType = ma_device_type_capture;
} else {
return noErr;
}
ma_mutex_lock(&g_DeviceTrackingMutex_CoreAudio);
{
ma_uint32 iDevice;
for (iDevice = 0; iDevice < g_TrackedDeviceCount_CoreAudio; iDevice += 1) {
ma_result reinitResult;
ma_device* pDevice;
pDevice = g_ppTrackedDevices_CoreAudio[iDevice];
if (pDevice->type == deviceType || pDevice->type == ma_device_type_duplex) {
if (deviceType == ma_device_type_playback) {
pDevice->coreaudio.isSwitchingPlaybackDevice = MA_TRUE;
reinitResult = ma_device_reinit_internal__coreaudio(pDevice, deviceType, MA_TRUE);
pDevice->coreaudio.isSwitchingPlaybackDevice = MA_FALSE;
} else {
pDevice->coreaudio.isSwitchingCaptureDevice = MA_TRUE;
reinitResult = ma_device_reinit_internal__coreaudio(pDevice, deviceType, MA_TRUE);
pDevice->coreaudio.isSwitchingCaptureDevice = MA_FALSE;
}
if (reinitResult == MA_SUCCESS) {
ma_device__post_init_setup(pDevice, deviceType);
if (ma_device_get_state(pDevice) == ma_device_state_started) {
OSStatus status;
if (deviceType == ma_device_type_playback) {
status = ((ma_AudioOutputUnitStart_proc)pDevice->pContext->coreaudio.AudioOutputUnitStart)((AudioUnit)pDevice->coreaudio.audioUnitPlayback);
if (status != noErr) {
if (pDevice->type == ma_device_type_duplex) {
((ma_AudioOutputUnitStop_proc)pDevice->pContext->coreaudio.AudioOutputUnitStop)((AudioUnit)pDevice->coreaudio.audioUnitCapture);
}
ma_device__set_state(pDevice, ma_device_state_stopped);
}
} else if (deviceType == ma_device_type_capture) {
status = ((ma_AudioOutputUnitStart_proc)pDevice->pContext->coreaudio.AudioOutputUnitStart)((AudioUnit)pDevice->coreaudio.audioUnitCapture);
if (status != noErr) {
if (pDevice->type == ma_device_type_duplex) {
((ma_AudioOutputUnitStop_proc)pDevice->pContext->coreaudio.AudioOutputUnitStop)((AudioUnit)pDevice->coreaudio.audioUnitPlayback);
}
ma_device__set_state(pDevice, ma_device_state_stopped);
}
}
}
ma_device__on_notification_rerouted(pDevice);
}
}
}
}
ma_mutex_unlock(&g_DeviceTrackingMutex_CoreAudio);
(void)objectID;
(void)pUserData;
return noErr;
}
static ma_result ma_context__init_device_tracking__coreaudio(ma_context* pContext)
{
MA_ASSERT(pContext != NULL);
ma_spinlock_lock(&g_DeviceTrackingInitLock_CoreAudio);
{
if (g_DeviceTrackingInitCounter_CoreAudio == 0) {
AudioObjectPropertyAddress propAddress;
propAddress.mScope = kAudioObjectPropertyScopeGlobal;
propAddress.mElement = AUDIO_OBJECT_PROPERTY_ELEMENT;
ma_mutex_init(&g_DeviceTrackingMutex_CoreAudio);
propAddress.mSelector = kAudioHardwarePropertyDefaultInputDevice;
((ma_AudioObjectAddPropertyListener_proc)pContext->coreaudio.AudioObjectAddPropertyListener)(kAudioObjectSystemObject, &propAddress, &ma_default_device_changed__coreaudio, NULL);
propAddress.mSelector = kAudioHardwarePropertyDefaultOutputDevice;
((ma_AudioObjectAddPropertyListener_proc)pContext->coreaudio.AudioObjectAddPropertyListener)(kAudioObjectSystemObject, &propAddress, &ma_default_device_changed__coreaudio, NULL);
}
g_DeviceTrackingInitCounter_CoreAudio += 1;
}
ma_spinlock_unlock(&g_DeviceTrackingInitLock_CoreAudio);
return MA_SUCCESS;
}
static ma_result ma_context__uninit_device_tracking__coreaudio(ma_context* pContext)
{
MA_ASSERT(pContext != NULL);
ma_spinlock_lock(&g_DeviceTrackingInitLock_CoreAudio);
{
if (g_DeviceTrackingInitCounter_CoreAudio > 0)
g_DeviceTrackingInitCounter_CoreAudio -= 1;
if (g_DeviceTrackingInitCounter_CoreAudio == 0) {
AudioObjectPropertyAddress propAddress;
propAddress.mScope = kAudioObjectPropertyScopeGlobal;
propAddress.mElement = AUDIO_OBJECT_PROPERTY_ELEMENT;
propAddress.mSelector = kAudioHardwarePropertyDefaultInputDevice;
((ma_AudioObjectRemovePropertyListener_proc)pContext->coreaudio.AudioObjectRemovePropertyListener)(kAudioObjectSystemObject, &propAddress, &ma_default_device_changed__coreaudio, NULL);
propAddress.mSelector = kAudioHardwarePropertyDefaultOutputDevice;
((ma_AudioObjectRemovePropertyListener_proc)pContext->coreaudio.AudioObjectRemovePropertyListener)(kAudioObjectSystemObject, &propAddress, &ma_default_device_changed__coreaudio, NULL);
if (g_ppTrackedDevices_CoreAudio != NULL) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_WARNING, "You have uninitialized all contexts while an associated device is still active.");
ma_spinlock_unlock(&g_DeviceTrackingInitLock_CoreAudio);
return MA_INVALID_OPERATION;
}
ma_mutex_uninit(&g_DeviceTrackingMutex_CoreAudio);
}
}
ma_spinlock_unlock(&g_DeviceTrackingInitLock_CoreAudio);
return MA_SUCCESS;
}
static ma_result ma_device__track__coreaudio(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
ma_mutex_lock(&g_DeviceTrackingMutex_CoreAudio);
{
if (g_TrackedDeviceCap_CoreAudio <= g_TrackedDeviceCount_CoreAudio) {
ma_uint32 newCap;
ma_device** ppNewDevices;
newCap = g_TrackedDeviceCap_CoreAudio * 2;
if (newCap == 0) {
newCap = 1;
}
ppNewDevices = (ma_device**)ma_realloc(g_ppTrackedDevices_CoreAudio, sizeof(*g_ppTrackedDevices_CoreAudio)*newCap, &pDevice->pContext->allocationCallbacks);
if (ppNewDevices == NULL) {
ma_mutex_unlock(&g_DeviceTrackingMutex_CoreAudio);
return MA_OUT_OF_MEMORY;
}
g_ppTrackedDevices_CoreAudio = ppNewDevices;
g_TrackedDeviceCap_CoreAudio = newCap;
}
g_ppTrackedDevices_CoreAudio[g_TrackedDeviceCount_CoreAudio] = pDevice;
g_TrackedDeviceCount_CoreAudio += 1;
}
ma_mutex_unlock(&g_DeviceTrackingMutex_CoreAudio);
return MA_SUCCESS;
}
static ma_result ma_device__untrack__coreaudio(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
ma_mutex_lock(&g_DeviceTrackingMutex_CoreAudio);
{
ma_uint32 iDevice;
for (iDevice = 0; iDevice < g_TrackedDeviceCount_CoreAudio; iDevice += 1) {
if (g_ppTrackedDevices_CoreAudio[iDevice] == pDevice) {
ma_uint32 jDevice;
for (jDevice = iDevice; jDevice < g_TrackedDeviceCount_CoreAudio-1; jDevice += 1) {
g_ppTrackedDevices_CoreAudio[jDevice] = g_ppTrackedDevices_CoreAudio[jDevice+1];
}
g_TrackedDeviceCount_CoreAudio -= 1;
if (g_TrackedDeviceCount_CoreAudio == 0) {
ma_free(g_ppTrackedDevices_CoreAudio, &pDevice->pContext->allocationCallbacks);
g_ppTrackedDevices_CoreAudio = NULL;
g_TrackedDeviceCap_CoreAudio = 0;
}
break;
}
}
}
ma_mutex_unlock(&g_DeviceTrackingMutex_CoreAudio);
return MA_SUCCESS;
}
#endif
#if defined(MA_APPLE_MOBILE)
@interface ma_ios_notification_handler:NSObject {
ma_device* m_pDevice;
}
@end
@implementation ma_ios_notification_handler
-(id)init:(ma_device*)pDevice
{
self = [super init];
m_pDevice = pDevice;
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(handle_route_change:) name:AVAudioSessionRouteChangeNotification object:[AVAudioSession sharedInstance]];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(handle_interruption:) name:AVAudioSessionInterruptionNotification object:[AVAudioSession sharedInstance]];
return self;
}
-(void)dealloc
{
[self remove_handler];
#if defined(__has_feature)
#if !__has_feature(objc_arc)
[super dealloc];
#endif
#endif
}
-(void)remove_handler
{
[[NSNotificationCenter defaultCenter] removeObserver:self name:AVAudioSessionRouteChangeNotification object:nil];
[[NSNotificationCenter defaultCenter] removeObserver:self name:AVAudioSessionInterruptionNotification object:nil];
}
-(void)handle_interruption:(NSNotification*)pNotification
{
NSInteger type = [[[pNotification userInfo] objectForKey:AVAudioSessionInterruptionTypeKey] integerValue];
switch (type)
{
case AVAudioSessionInterruptionTypeBegan:
{
ma_log_postf(ma_device_get_log(m_pDevice), MA_LOG_LEVEL_INFO, "[Core Audio] Interruption: AVAudioSessionInterruptionTypeBegan\n");
ma_device_stop(m_pDevice);
ma_device__on_notification_interruption_began(m_pDevice);
} break;
case AVAudioSessionInterruptionTypeEnded:
{
ma_log_postf(ma_device_get_log(m_pDevice), MA_LOG_LEVEL_INFO, "[Core Audio] Interruption: AVAudioSessionInterruptionTypeEnded\n");
ma_device__on_notification_interruption_ended(m_pDevice);
} break;
}
}
-(void)handle_route_change:(NSNotification*)pNotification
{
AVAudioSession* pSession = [AVAudioSession sharedInstance];
NSInteger reason = [[[pNotification userInfo] objectForKey:AVAudioSessionRouteChangeReasonKey] integerValue];
switch (reason)
{
case AVAudioSessionRouteChangeReasonOldDeviceUnavailable:
{
ma_log_postf(ma_device_get_log(m_pDevice), MA_LOG_LEVEL_INFO, "[Core Audio] Route Changed: AVAudioSessionRouteChangeReasonOldDeviceUnavailable\n");
} break;
case AVAudioSessionRouteChangeReasonNewDeviceAvailable:
{
ma_log_postf(ma_device_get_log(m_pDevice), MA_LOG_LEVEL_INFO, "[Core Audio] Route Changed: AVAudioSessionRouteChangeReasonNewDeviceAvailable\n");
} break;
case AVAudioSessionRouteChangeReasonNoSuitableRouteForCategory:
{
ma_log_postf(ma_device_get_log(m_pDevice), MA_LOG_LEVEL_INFO, "[Core Audio] Route Changed: AVAudioSessionRouteChangeReasonNoSuitableRouteForCategory\n");
} break;
case AVAudioSessionRouteChangeReasonWakeFromSleep:
{
ma_log_postf(ma_device_get_log(m_pDevice), MA_LOG_LEVEL_INFO, "[Core Audio] Route Changed: AVAudioSessionRouteChangeReasonWakeFromSleep\n");
} break;
case AVAudioSessionRouteChangeReasonOverride:
{
ma_log_postf(ma_device_get_log(m_pDevice), MA_LOG_LEVEL_INFO, "[Core Audio] Route Changed: AVAudioSessionRouteChangeReasonOverride\n");
} break;
case AVAudioSessionRouteChangeReasonCategoryChange:
{
ma_log_postf(ma_device_get_log(m_pDevice), MA_LOG_LEVEL_INFO, "[Core Audio] Route Changed: AVAudioSessionRouteChangeReasonCategoryChange\n");
} break;
case AVAudioSessionRouteChangeReasonUnknown:
default:
{
ma_log_postf(ma_device_get_log(m_pDevice), MA_LOG_LEVEL_INFO, "[Core Audio] Route Changed: AVAudioSessionRouteChangeReasonUnknown\n");
} break;
}
ma_log_postf(ma_device_get_log(m_pDevice), MA_LOG_LEVEL_DEBUG, "[Core Audio] Changing Route. inputNumberChannels=%d; outputNumberOfChannels=%d\n", (int)pSession.inputNumberOfChannels, (int)pSession.outputNumberOfChannels);
ma_device__on_notification_rerouted(m_pDevice);
}
@end
#endif
static ma_result ma_device_uninit__coreaudio(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
MA_ASSERT(ma_device_get_state(pDevice) == ma_device_state_uninitialized);
#if defined(MA_APPLE_DESKTOP)
ma_device__untrack__coreaudio(pDevice);
#endif
#if defined(MA_APPLE_MOBILE)
if (pDevice->coreaudio.pNotificationHandler != NULL) {
ma_ios_notification_handler* pNotificationHandler = (MA_BRIDGE_TRANSFER ma_ios_notification_handler*)pDevice->coreaudio.pNotificationHandler;
[pNotificationHandler remove_handler];
}
#endif
if (pDevice->coreaudio.audioUnitCapture != NULL) {
((ma_AudioComponentInstanceDispose_proc)pDevice->pContext->coreaudio.AudioComponentInstanceDispose)((AudioUnit)pDevice->coreaudio.audioUnitCapture);
}
if (pDevice->coreaudio.audioUnitPlayback != NULL) {
((ma_AudioComponentInstanceDispose_proc)pDevice->pContext->coreaudio.AudioComponentInstanceDispose)((AudioUnit)pDevice->coreaudio.audioUnitPlayback);
}
if (pDevice->coreaudio.pAudioBufferList) {
ma_free(pDevice->coreaudio.pAudioBufferList, &pDevice->pContext->allocationCallbacks);
}
return MA_SUCCESS;
}
typedef struct
{
ma_bool32 allowNominalSampleRateChange;
ma_format formatIn;
ma_uint32 channelsIn;
ma_uint32 sampleRateIn;
ma_channel channelMapIn[MA_MAX_CHANNELS];
ma_uint32 periodSizeInFramesIn;
ma_uint32 periodSizeInMillisecondsIn;
ma_uint32 periodsIn;
ma_share_mode shareMode;
ma_performance_profile performanceProfile;
ma_bool32 registerStopEvent;
#if defined(MA_APPLE_DESKTOP)
AudioObjectID deviceObjectID;
#endif
AudioComponent component;
AudioUnit audioUnit;
AudioBufferList* pAudioBufferList;
ma_format formatOut;
ma_uint32 channelsOut;
ma_uint32 sampleRateOut;
ma_channel channelMapOut[MA_MAX_CHANNELS];
ma_uint32 periodSizeInFramesOut;
ma_uint32 periodsOut;
char deviceName[256];
} ma_device_init_internal_data__coreaudio;
static ma_result ma_device_init_internal__coreaudio(ma_context* pContext, ma_device_type deviceType, const ma_device_id* pDeviceID, ma_device_init_internal_data__coreaudio* pData, void* pDevice_DoNotReference)
{
ma_result result = MA_SUCCESS;
OSStatus status;
UInt32 enableIOFlag;
AudioStreamBasicDescription bestFormat;
ma_uint32 actualPeriodSizeInFrames;
AURenderCallbackStruct callbackInfo;
#if defined(MA_APPLE_DESKTOP)
AudioObjectID deviceObjectID;
#endif
if (deviceType == ma_device_type_duplex) {
return MA_INVALID_ARGS;
}
MA_ASSERT(pContext != NULL);
MA_ASSERT(deviceType == ma_device_type_playback || deviceType == ma_device_type_capture);
#if defined(MA_APPLE_DESKTOP)
pData->deviceObjectID = 0;
#endif
pData->component = NULL;
pData->audioUnit = NULL;
pData->pAudioBufferList = NULL;
#if defined(MA_APPLE_DESKTOP)
result = ma_find_AudioObjectID(pContext, deviceType, pDeviceID, &deviceObjectID);
if (result != MA_SUCCESS) {
return result;
}
pData->deviceObjectID = deviceObjectID;
#endif
pData->periodsOut = pData->periodsIn;
if (pData->periodsOut == 0) {
pData->periodsOut = MA_DEFAULT_PERIODS;
}
if (pData->periodsOut > 16) {
pData->periodsOut = 16;
}
status = ((ma_AudioComponentInstanceNew_proc)pContext->coreaudio.AudioComponentInstanceNew)((AudioComponent)pContext->coreaudio.component, (AudioUnit*)&pData->audioUnit);
if (status != noErr) {
return ma_result_from_OSStatus(status);
}
enableIOFlag = 1;
if (deviceType == ma_device_type_capture) {
enableIOFlag = 0;
}
status = ((ma_AudioUnitSetProperty_proc)pContext->coreaudio.AudioUnitSetProperty)(pData->audioUnit, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Output, MA_COREAUDIO_OUTPUT_BUS, &enableIOFlag, sizeof(enableIOFlag));
if (status != noErr) {
((ma_AudioComponentInstanceDispose_proc)pContext->coreaudio.AudioComponentInstanceDispose)(pData->audioUnit);
return ma_result_from_OSStatus(status);
}
enableIOFlag = (enableIOFlag == 0) ? 1 : 0;
status = ((ma_AudioUnitSetProperty_proc)pContext->coreaudio.AudioUnitSetProperty)(pData->audioUnit, kAudioOutputUnitProperty_EnableIO, kAudioUnitScope_Input, MA_COREAUDIO_INPUT_BUS, &enableIOFlag, sizeof(enableIOFlag));
if (status != noErr) {
((ma_AudioComponentInstanceDispose_proc)pContext->coreaudio.AudioComponentInstanceDispose)(pData->audioUnit);
return ma_result_from_OSStatus(status);
}
#if defined(MA_APPLE_DESKTOP)
status = ((ma_AudioUnitSetProperty_proc)pContext->coreaudio.AudioUnitSetProperty)(pData->audioUnit, kAudioOutputUnitProperty_CurrentDevice, kAudioUnitScope_Global, 0, &deviceObjectID, sizeof(deviceObjectID));
if (status != noErr) {
((ma_AudioComponentInstanceDispose_proc)pContext->coreaudio.AudioComponentInstanceDispose)(pData->audioUnit);
return ma_result_from_OSStatus(result);
}
#else
if (pDeviceID != NULL) {
if (deviceType == ma_device_type_capture) {
ma_bool32 found = MA_FALSE;
NSArray *pInputs = [[[AVAudioSession sharedInstance] currentRoute] inputs];
for (AVAudioSessionPortDescription* pPortDesc in pInputs) {
if (strcmp(pDeviceID->coreaudio, [pPortDesc.UID UTF8String]) == 0) {
[[AVAudioSession sharedInstance] setPreferredInput:pPortDesc error:nil];
found = MA_TRUE;
break;
}
}
if (found == MA_FALSE) {
return MA_DOES_NOT_EXIST;
}
}
}
#endif
{
AudioStreamBasicDescription origFormat;
UInt32 origFormatSize = sizeof(origFormat);
AudioUnitScope formatScope = (deviceType == ma_device_type_playback) ? kAudioUnitScope_Input : kAudioUnitScope_Output;
AudioUnitElement formatElement = (deviceType == ma_device_type_playback) ? MA_COREAUDIO_OUTPUT_BUS : MA_COREAUDIO_INPUT_BUS;
if (deviceType == ma_device_type_playback) {
status = ((ma_AudioUnitGetProperty_proc)pContext->coreaudio.AudioUnitGetProperty)(pData->audioUnit, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Output, MA_COREAUDIO_OUTPUT_BUS, &origFormat, &origFormatSize);
} else {
status = ((ma_AudioUnitGetProperty_proc)pContext->coreaudio.AudioUnitGetProperty)(pData->audioUnit, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, MA_COREAUDIO_INPUT_BUS, &origFormat, &origFormatSize);
}
if (status != noErr) {
((ma_AudioComponentInstanceDispose_proc)pContext->coreaudio.AudioComponentInstanceDispose)(pData->audioUnit);
return ma_result_from_OSStatus(status);
}
#if defined(MA_APPLE_DESKTOP)
result = ma_find_best_format__coreaudio(pContext, deviceObjectID, deviceType, pData->formatIn, pData->channelsIn, pData->sampleRateIn, &origFormat, &bestFormat);
if (result != MA_SUCCESS) {
((ma_AudioComponentInstanceDispose_proc)pContext->coreaudio.AudioComponentInstanceDispose)(pData->audioUnit);
return result;
}
if (pData->allowNominalSampleRateChange) {
AudioValueRange sampleRateRange;
AudioObjectPropertyAddress propAddress;
sampleRateRange.mMinimum = bestFormat.mSampleRate;
sampleRateRange.mMaximum = bestFormat.mSampleRate;
propAddress.mSelector = kAudioDevicePropertyNominalSampleRate;
propAddress.mScope = (deviceType == ma_device_type_playback) ? kAudioObjectPropertyScopeOutput : kAudioObjectPropertyScopeInput;
propAddress.mElement = AUDIO_OBJECT_PROPERTY_ELEMENT;
status = ((ma_AudioObjectSetPropertyData_proc)pContext->coreaudio.AudioObjectSetPropertyData)(deviceObjectID, &propAddress, 0, NULL, sizeof(sampleRateRange), &sampleRateRange);
if (status != noErr) {
bestFormat.mSampleRate = origFormat.mSampleRate;
}
} else {
bestFormat.mSampleRate = origFormat.mSampleRate;
}
status = ((ma_AudioUnitSetProperty_proc)pContext->coreaudio.AudioUnitSetProperty)(pData->audioUnit, kAudioUnitProperty_StreamFormat, formatScope, formatElement, &bestFormat, sizeof(bestFormat));
if (status != noErr) {
bestFormat = origFormat;
}
#else
bestFormat = origFormat;
@autoreleasepool {
AVAudioSession* pAudioSession = [AVAudioSession sharedInstance];
MA_ASSERT(pAudioSession != NULL);
[pAudioSession setPreferredSampleRate:(double)pData->sampleRateIn error:nil];
bestFormat.mSampleRate = pAudioSession.sampleRate;
if (deviceType == ma_device_type_playback) {
bestFormat.mChannelsPerFrame = (UInt32)pAudioSession.outputNumberOfChannels;
}
#if 0
if (deviceType == ma_device_type_capture) {
bestFormat.mChannelsPerFrame = (UInt32)pAudioSession.inputNumberOfChannels;
}
#endif
}
status = ((ma_AudioUnitSetProperty_proc)pContext->coreaudio.AudioUnitSetProperty)(pData->audioUnit, kAudioUnitProperty_StreamFormat, formatScope, formatElement, &bestFormat, sizeof(bestFormat));
if (status != noErr) {
((ma_AudioComponentInstanceDispose_proc)pContext->coreaudio.AudioComponentInstanceDispose)(pData->audioUnit);
return ma_result_from_OSStatus(status);
}
#endif
result = ma_format_from_AudioStreamBasicDescription(&bestFormat, &pData->formatOut);
if (result != MA_SUCCESS) {
((ma_AudioComponentInstanceDispose_proc)pContext->coreaudio.AudioComponentInstanceDispose)(pData->audioUnit);
return result;
}
if (pData->formatOut == ma_format_unknown) {
((ma_AudioComponentInstanceDispose_proc)pContext->coreaudio.AudioComponentInstanceDispose)(pData->audioUnit);
return MA_FORMAT_NOT_SUPPORTED;
}
pData->channelsOut = bestFormat.mChannelsPerFrame;
pData->sampleRateOut = (ma_uint32)bestFormat.mSampleRate;
}
if (pData->channelsOut > MA_MAX_CHANNELS) {
pData->channelsOut = MA_MAX_CHANNELS;
}
#if defined(MA_APPLE_DESKTOP)
result = ma_get_AudioUnit_channel_map(pContext, pData->audioUnit, deviceType, pData->channelMapOut, pData->channelsOut);
if (result != MA_SUCCESS) {
#if 0
result = ma_get_AudioObject_channel_map(pContext, deviceObjectID, deviceType, pData->channelMapOut, pData->channelsOut);
if (result != MA_SUCCESS) {
return result;
}
#else
ma_channel_map_init_standard(ma_standard_channel_map_default, pData->channelMapOut, ma_countof(pData->channelMapOut), pData->channelsOut);
#endif
}
#else
ma_channel_map_init_standard(ma_standard_channel_map_default, pData->channelMapOut, ma_countof(pData->channelMapOut), pData->channelsOut);
#endif
if (pData->periodSizeInFramesIn == 0) {
if (pData->periodSizeInMillisecondsIn == 0) {
if (pData->performanceProfile == ma_performance_profile_low_latency) {
actualPeriodSizeInFrames = ma_calculate_buffer_size_in_frames_from_milliseconds(MA_DEFAULT_PERIOD_SIZE_IN_MILLISECONDS_LOW_LATENCY, pData->sampleRateOut);
} else {
actualPeriodSizeInFrames = ma_calculate_buffer_size_in_frames_from_milliseconds(MA_DEFAULT_PERIOD_SIZE_IN_MILLISECONDS_CONSERVATIVE, pData->sampleRateOut);
}
} else {
actualPeriodSizeInFrames = ma_calculate_buffer_size_in_frames_from_milliseconds(pData->periodSizeInMillisecondsIn, pData->sampleRateOut);
}
} else {
actualPeriodSizeInFrames = pData->periodSizeInFramesIn;
}
#if defined(MA_APPLE_DESKTOP)
result = ma_set_AudioObject_buffer_size_in_frames(pContext, deviceObjectID, deviceType, &actualPeriodSizeInFrames);
if (result != MA_SUCCESS) {
return result;
}
#else
@autoreleasepool {
AVAudioSession* pAudioSession = [AVAudioSession sharedInstance];
MA_ASSERT(pAudioSession != NULL);
[pAudioSession setPreferredIOBufferDuration:((float)actualPeriodSizeInFrames / pAudioSession.sampleRate) error:nil];
actualPeriodSizeInFrames = ma_next_power_of_2((ma_uint32)(pAudioSession.IOBufferDuration * pAudioSession.sampleRate));
}
#endif
status = ((ma_AudioUnitSetProperty_proc)pContext->coreaudio.AudioUnitSetProperty)(pData->audioUnit, kAudioUnitProperty_MaximumFramesPerSlice, kAudioUnitScope_Global, 0, &actualPeriodSizeInFrames, sizeof(actualPeriodSizeInFrames));
if (status != noErr) {
((ma_AudioComponentInstanceDispose_proc)pContext->coreaudio.AudioComponentInstanceDispose)(pData->audioUnit);
return ma_result_from_OSStatus(status);
}
pData->periodSizeInFramesOut = (ma_uint32)actualPeriodSizeInFrames;
if (deviceType == ma_device_type_capture) {
ma_bool32 isInterleaved = (bestFormat.mFormatFlags & kAudioFormatFlagIsNonInterleaved) == 0;
AudioBufferList* pBufferList;
pBufferList = ma_allocate_AudioBufferList__coreaudio(pData->periodSizeInFramesOut, pData->formatOut, pData->channelsOut, (isInterleaved) ? ma_stream_layout_interleaved : ma_stream_layout_deinterleaved, &pContext->allocationCallbacks);
if (pBufferList == NULL) {
((ma_AudioComponentInstanceDispose_proc)pContext->coreaudio.AudioComponentInstanceDispose)(pData->audioUnit);
return MA_OUT_OF_MEMORY;
}
pData->pAudioBufferList = pBufferList;
}
callbackInfo.inputProcRefCon = pDevice_DoNotReference;
if (deviceType == ma_device_type_playback) {
callbackInfo.inputProc = ma_on_output__coreaudio;
status = ((ma_AudioUnitSetProperty_proc)pContext->coreaudio.AudioUnitSetProperty)(pData->audioUnit, kAudioUnitProperty_SetRenderCallback, kAudioUnitScope_Global, 0, &callbackInfo, sizeof(callbackInfo));
if (status != noErr) {
((ma_AudioComponentInstanceDispose_proc)pContext->coreaudio.AudioComponentInstanceDispose)(pData->audioUnit);
return ma_result_from_OSStatus(status);
}
} else {
callbackInfo.inputProc = ma_on_input__coreaudio;
status = ((ma_AudioUnitSetProperty_proc)pContext->coreaudio.AudioUnitSetProperty)(pData->audioUnit, kAudioOutputUnitProperty_SetInputCallback, kAudioUnitScope_Global, 0, &callbackInfo, sizeof(callbackInfo));
if (status != noErr) {
((ma_AudioComponentInstanceDispose_proc)pContext->coreaudio.AudioComponentInstanceDispose)(pData->audioUnit);
return ma_result_from_OSStatus(status);
}
}
if (pData->registerStopEvent) {
status = ((ma_AudioUnitAddPropertyListener_proc)pContext->coreaudio.AudioUnitAddPropertyListener)(pData->audioUnit, kAudioOutputUnitProperty_IsRunning, on_start_stop__coreaudio, pDevice_DoNotReference);
if (status != noErr) {
((ma_AudioComponentInstanceDispose_proc)pContext->coreaudio.AudioComponentInstanceDispose)(pData->audioUnit);
return ma_result_from_OSStatus(status);
}
}
status = ((ma_AudioUnitInitialize_proc)pContext->coreaudio.AudioUnitInitialize)(pData->audioUnit);
if (status != noErr) {
ma_free(pData->pAudioBufferList, &pContext->allocationCallbacks);
pData->pAudioBufferList = NULL;
((ma_AudioComponentInstanceDispose_proc)pContext->coreaudio.AudioComponentInstanceDispose)(pData->audioUnit);
return ma_result_from_OSStatus(status);
}
#if defined(MA_APPLE_DESKTOP)
ma_get_AudioObject_name(pContext, deviceObjectID, sizeof(pData->deviceName), pData->deviceName);
#else
if (deviceType == ma_device_type_playback) {
ma_strcpy_s(pData->deviceName, sizeof(pData->deviceName), MA_DEFAULT_PLAYBACK_DEVICE_NAME);
} else {
ma_strcpy_s(pData->deviceName, sizeof(pData->deviceName), MA_DEFAULT_CAPTURE_DEVICE_NAME);
}
#endif
return result;
}
#if defined(MA_APPLE_DESKTOP)
static ma_result ma_device_reinit_internal__coreaudio(ma_device* pDevice, ma_device_type deviceType, ma_bool32 disposePreviousAudioUnit)
{
ma_device_init_internal_data__coreaudio data;
ma_result result;
if (deviceType == ma_device_type_duplex) {
return MA_INVALID_ARGS;
}
data.allowNominalSampleRateChange = MA_FALSE;
if (deviceType == ma_device_type_capture) {
data.formatIn = pDevice->capture.format;
data.channelsIn = pDevice->capture.channels;
data.sampleRateIn = pDevice->sampleRate;
MA_COPY_MEMORY(data.channelMapIn, pDevice->capture.channelMap, sizeof(pDevice->capture.channelMap));
data.shareMode = pDevice->capture.shareMode;
data.performanceProfile = pDevice->coreaudio.originalPerformanceProfile;
data.registerStopEvent = MA_TRUE;
if (disposePreviousAudioUnit) {
((ma_AudioOutputUnitStop_proc)pDevice->pContext->coreaudio.AudioOutputUnitStop)((AudioUnit)pDevice->coreaudio.audioUnitCapture);
((ma_AudioComponentInstanceDispose_proc)pDevice->pContext->coreaudio.AudioComponentInstanceDispose)((AudioUnit)pDevice->coreaudio.audioUnitCapture);
}
if (pDevice->coreaudio.pAudioBufferList) {
ma_free(pDevice->coreaudio.pAudioBufferList, &pDevice->pContext->allocationCallbacks);
}
} else if (deviceType == ma_device_type_playback) {
data.formatIn = pDevice->playback.format;
data.channelsIn = pDevice->playback.channels;
data.sampleRateIn = pDevice->sampleRate;
MA_COPY_MEMORY(data.channelMapIn, pDevice->playback.channelMap, sizeof(pDevice->playback.channelMap));
data.shareMode = pDevice->playback.shareMode;
data.performanceProfile = pDevice->coreaudio.originalPerformanceProfile;
data.registerStopEvent = (pDevice->type != ma_device_type_duplex);
if (disposePreviousAudioUnit) {
((ma_AudioOutputUnitStop_proc)pDevice->pContext->coreaudio.AudioOutputUnitStop)((AudioUnit)pDevice->coreaudio.audioUnitPlayback);
((ma_AudioComponentInstanceDispose_proc)pDevice->pContext->coreaudio.AudioComponentInstanceDispose)((AudioUnit)pDevice->coreaudio.audioUnitPlayback);
}
}
data.periodSizeInFramesIn = pDevice->coreaudio.originalPeriodSizeInFrames;
data.periodSizeInMillisecondsIn = pDevice->coreaudio.originalPeriodSizeInMilliseconds;
data.periodsIn = pDevice->coreaudio.originalPeriods;
if (data.periodsIn < 3 && pDevice->type == ma_device_type_duplex) {
data.periodsIn = 3;
}
result = ma_device_init_internal__coreaudio(pDevice->pContext, deviceType, NULL, &data, (void*)pDevice);
if (result != MA_SUCCESS) {
return result;
}
if (deviceType == ma_device_type_capture) {
#if defined(MA_APPLE_DESKTOP)
pDevice->coreaudio.deviceObjectIDCapture = (ma_uint32)data.deviceObjectID;
ma_get_AudioObject_uid(pDevice->pContext, pDevice->coreaudio.deviceObjectIDCapture, sizeof(pDevice->capture.id.coreaudio), pDevice->capture.id.coreaudio);
#endif
pDevice->coreaudio.audioUnitCapture = (ma_ptr)data.audioUnit;
pDevice->coreaudio.pAudioBufferList = (ma_ptr)data.pAudioBufferList;
pDevice->coreaudio.audioBufferCapInFrames = data.periodSizeInFramesOut;
pDevice->capture.internalFormat = data.formatOut;
pDevice->capture.internalChannels = data.channelsOut;
pDevice->capture.internalSampleRate = data.sampleRateOut;
MA_COPY_MEMORY(pDevice->capture.internalChannelMap, data.channelMapOut, sizeof(data.channelMapOut));
pDevice->capture.internalPeriodSizeInFrames = data.periodSizeInFramesOut;
pDevice->capture.internalPeriods = data.periodsOut;
} else if (deviceType == ma_device_type_playback) {
#if defined(MA_APPLE_DESKTOP)
pDevice->coreaudio.deviceObjectIDPlayback = (ma_uint32)data.deviceObjectID;
ma_get_AudioObject_uid(pDevice->pContext, pDevice->coreaudio.deviceObjectIDPlayback, sizeof(pDevice->playback.id.coreaudio), pDevice->playback.id.coreaudio);
#endif
pDevice->coreaudio.audioUnitPlayback = (ma_ptr)data.audioUnit;
pDevice->playback.internalFormat = data.formatOut;
pDevice->playback.internalChannels = data.channelsOut;
pDevice->playback.internalSampleRate = data.sampleRateOut;
MA_COPY_MEMORY(pDevice->playback.internalChannelMap, data.channelMapOut, sizeof(data.channelMapOut));
pDevice->playback.internalPeriodSizeInFrames = data.periodSizeInFramesOut;
pDevice->playback.internalPeriods = data.periodsOut;
}
return MA_SUCCESS;
}
#endif
static ma_result ma_device_init__coreaudio(ma_device* pDevice, const ma_device_config* pConfig, ma_device_descriptor* pDescriptorPlayback, ma_device_descriptor* pDescriptorCapture)
{
ma_result result;
MA_ASSERT(pDevice != NULL);
MA_ASSERT(pConfig != NULL);
if (pConfig->deviceType == ma_device_type_loopback) {
return MA_DEVICE_TYPE_NOT_SUPPORTED;
}
if (((pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex) && pDescriptorCapture->shareMode == ma_share_mode_exclusive) ||
((pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex) && pDescriptorPlayback->shareMode == ma_share_mode_exclusive)) {
return MA_SHARE_MODE_NOT_SUPPORTED;
}
if (pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex) {
ma_device_init_internal_data__coreaudio data;
data.allowNominalSampleRateChange = pConfig->coreaudio.allowNominalSampleRateChange;
data.formatIn = pDescriptorCapture->format;
data.channelsIn = pDescriptorCapture->channels;
data.sampleRateIn = pDescriptorCapture->sampleRate;
MA_COPY_MEMORY(data.channelMapIn, pDescriptorCapture->channelMap, sizeof(pDescriptorCapture->channelMap));
data.periodSizeInFramesIn = pDescriptorCapture->periodSizeInFrames;
data.periodSizeInMillisecondsIn = pDescriptorCapture->periodSizeInMilliseconds;
data.periodsIn = pDescriptorCapture->periodCount;
data.shareMode = pDescriptorCapture->shareMode;
data.performanceProfile = pConfig->performanceProfile;
data.registerStopEvent = MA_TRUE;
if (data.periodsIn < 3 && pConfig->deviceType == ma_device_type_duplex) {
data.periodsIn = 3;
}
result = ma_device_init_internal__coreaudio(pDevice->pContext, ma_device_type_capture, pDescriptorCapture->pDeviceID, &data, (void*)pDevice);
if (result != MA_SUCCESS) {
return result;
}
pDevice->coreaudio.isDefaultCaptureDevice = (pConfig->capture.pDeviceID == NULL);
#if defined(MA_APPLE_DESKTOP)
pDevice->coreaudio.deviceObjectIDCapture = (ma_uint32)data.deviceObjectID;
#endif
pDevice->coreaudio.audioUnitCapture = (ma_ptr)data.audioUnit;
pDevice->coreaudio.pAudioBufferList = (ma_ptr)data.pAudioBufferList;
pDevice->coreaudio.audioBufferCapInFrames = data.periodSizeInFramesOut;
pDevice->coreaudio.originalPeriodSizeInFrames = pDescriptorCapture->periodSizeInFrames;
pDevice->coreaudio.originalPeriodSizeInMilliseconds = pDescriptorCapture->periodSizeInMilliseconds;
pDevice->coreaudio.originalPeriods = pDescriptorCapture->periodCount;
pDevice->coreaudio.originalPerformanceProfile = pConfig->performanceProfile;
pDescriptorCapture->format = data.formatOut;
pDescriptorCapture->channels = data.channelsOut;
pDescriptorCapture->sampleRate = data.sampleRateOut;
MA_COPY_MEMORY(pDescriptorCapture->channelMap, data.channelMapOut, sizeof(data.channelMapOut));
pDescriptorCapture->periodSizeInFrames = data.periodSizeInFramesOut;
pDescriptorCapture->periodCount = data.periodsOut;
#if defined(MA_APPLE_DESKTOP)
ma_get_AudioObject_uid(pDevice->pContext, pDevice->coreaudio.deviceObjectIDCapture, sizeof(pDevice->capture.id.coreaudio), pDevice->capture.id.coreaudio);
if (pConfig->capture.pDeviceID == NULL) {
ma_device__track__coreaudio(pDevice);
}
#endif
}
if (pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex) {
ma_device_init_internal_data__coreaudio data;
data.allowNominalSampleRateChange = pConfig->coreaudio.allowNominalSampleRateChange;
data.formatIn = pDescriptorPlayback->format;
data.channelsIn = pDescriptorPlayback->channels;
data.sampleRateIn = pDescriptorPlayback->sampleRate;
MA_COPY_MEMORY(data.channelMapIn, pDescriptorPlayback->channelMap, sizeof(pDescriptorPlayback->channelMap));
data.shareMode = pDescriptorPlayback->shareMode;
data.performanceProfile = pConfig->performanceProfile;
if (pConfig->deviceType == ma_device_type_duplex) {
data.periodSizeInFramesIn = pDescriptorCapture->periodSizeInFrames;
data.periodsIn = pDescriptorCapture->periodCount;
data.registerStopEvent = MA_FALSE;
} else {
data.periodSizeInFramesIn = pDescriptorPlayback->periodSizeInFrames;
data.periodSizeInMillisecondsIn = pDescriptorPlayback->periodSizeInMilliseconds;
data.periodsIn = pDescriptorPlayback->periodCount;
data.registerStopEvent = MA_TRUE;
}
result = ma_device_init_internal__coreaudio(pDevice->pContext, ma_device_type_playback, pDescriptorPlayback->pDeviceID, &data, (void*)pDevice);
if (result != MA_SUCCESS) {
if (pConfig->deviceType == ma_device_type_duplex) {
((ma_AudioComponentInstanceDispose_proc)pDevice->pContext->coreaudio.AudioComponentInstanceDispose)((AudioUnit)pDevice->coreaudio.audioUnitCapture);
if (pDevice->coreaudio.pAudioBufferList) {
ma_free(pDevice->coreaudio.pAudioBufferList, &pDevice->pContext->allocationCallbacks);
}
}
return result;
}
pDevice->coreaudio.isDefaultPlaybackDevice = (pConfig->playback.pDeviceID == NULL);
#if defined(MA_APPLE_DESKTOP)
pDevice->coreaudio.deviceObjectIDPlayback = (ma_uint32)data.deviceObjectID;
#endif
pDevice->coreaudio.audioUnitPlayback = (ma_ptr)data.audioUnit;
pDevice->coreaudio.originalPeriodSizeInFrames = pDescriptorPlayback->periodSizeInFrames;
pDevice->coreaudio.originalPeriodSizeInMilliseconds = pDescriptorPlayback->periodSizeInMilliseconds;
pDevice->coreaudio.originalPeriods = pDescriptorPlayback->periodCount;
pDevice->coreaudio.originalPerformanceProfile = pConfig->performanceProfile;
pDescriptorPlayback->format = data.formatOut;
pDescriptorPlayback->channels = data.channelsOut;
pDescriptorPlayback->sampleRate = data.sampleRateOut;
MA_COPY_MEMORY(pDescriptorPlayback->channelMap, data.channelMapOut, sizeof(data.channelMapOut));
pDescriptorPlayback->periodSizeInFrames = data.periodSizeInFramesOut;
pDescriptorPlayback->periodCount = data.periodsOut;
#if defined(MA_APPLE_DESKTOP)
ma_get_AudioObject_uid(pDevice->pContext, pDevice->coreaudio.deviceObjectIDPlayback, sizeof(pDevice->playback.id.coreaudio), pDevice->playback.id.coreaudio);
if (pDescriptorPlayback->pDeviceID == NULL && (pConfig->deviceType != ma_device_type_duplex || pDescriptorCapture->pDeviceID != NULL)) {
ma_device__track__coreaudio(pDevice);
}
#endif
}
ma_event_init(&pDevice->coreaudio.stopEvent);
#if defined(MA_APPLE_MOBILE)
pDevice->coreaudio.pNotificationHandler = (MA_BRIDGE_RETAINED void*)[[ma_ios_notification_handler alloc] init:pDevice];
#endif
return MA_SUCCESS;
}
static ma_result ma_device_start__coreaudio(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
OSStatus status = ((ma_AudioOutputUnitStart_proc)pDevice->pContext->coreaudio.AudioOutputUnitStart)((AudioUnit)pDevice->coreaudio.audioUnitCapture);
if (status != noErr) {
return ma_result_from_OSStatus(status);
}
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
OSStatus status = ((ma_AudioOutputUnitStart_proc)pDevice->pContext->coreaudio.AudioOutputUnitStart)((AudioUnit)pDevice->coreaudio.audioUnitPlayback);
if (status != noErr) {
if (pDevice->type == ma_device_type_duplex) {
((ma_AudioOutputUnitStop_proc)pDevice->pContext->coreaudio.AudioOutputUnitStop)((AudioUnit)pDevice->coreaudio.audioUnitCapture);
}
return ma_result_from_OSStatus(status);
}
}
return MA_SUCCESS;
}
static ma_result ma_device_stop__coreaudio(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
OSStatus status = ((ma_AudioOutputUnitStop_proc)pDevice->pContext->coreaudio.AudioOutputUnitStop)((AudioUnit)pDevice->coreaudio.audioUnitCapture);
if (status != noErr) {
return ma_result_from_OSStatus(status);
}
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
OSStatus status = ((ma_AudioOutputUnitStop_proc)pDevice->pContext->coreaudio.AudioOutputUnitStop)((AudioUnit)pDevice->coreaudio.audioUnitPlayback);
if (status != noErr) {
return ma_result_from_OSStatus(status);
}
}
ma_event_wait(&pDevice->coreaudio.stopEvent);
return MA_SUCCESS;
}
static ma_result ma_context_uninit__coreaudio(ma_context* pContext)
{
MA_ASSERT(pContext != NULL);
MA_ASSERT(pContext->backend == ma_backend_coreaudio);
#if defined(MA_APPLE_MOBILE)
if (!pContext->coreaudio.noAudioSessionDeactivate) {
if (![[AVAudioSession sharedInstance] setActive:false error:nil]) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "Failed to deactivate audio session.");
return MA_FAILED_TO_INIT_BACKEND;
}
}
#endif
#if !defined(MA_NO_RUNTIME_LINKING) && !defined(MA_APPLE_MOBILE)
ma_dlclose(ma_context_get_log(pContext), pContext->coreaudio.hAudioUnit);
ma_dlclose(ma_context_get_log(pContext), pContext->coreaudio.hCoreAudio);
ma_dlclose(ma_context_get_log(pContext), pContext->coreaudio.hCoreFoundation);
#endif
#if !defined(MA_APPLE_MOBILE)
ma_context__uninit_device_tracking__coreaudio(pContext);
#endif
(void)pContext;
return MA_SUCCESS;
}
#if defined(MA_APPLE_MOBILE) && defined(__IPHONE_12_0)
static AVAudioSessionCategory ma_to_AVAudioSessionCategory(ma_ios_session_category category)
{
MA_ASSERT(category != ma_ios_session_category_default);
MA_ASSERT(category != ma_ios_session_category_none);
switch (category) {
case ma_ios_session_category_ambient: return AVAudioSessionCategoryAmbient;
case ma_ios_session_category_solo_ambient: return AVAudioSessionCategorySoloAmbient;
case ma_ios_session_category_playback: return AVAudioSessionCategoryPlayback;
case ma_ios_session_category_record: return AVAudioSessionCategoryRecord;
case ma_ios_session_category_play_and_record: return AVAudioSessionCategoryPlayAndRecord;
case ma_ios_session_category_multi_route: return AVAudioSessionCategoryMultiRoute;
case ma_ios_session_category_none: return AVAudioSessionCategoryAmbient;
case ma_ios_session_category_default: return AVAudioSessionCategoryAmbient;
default: return AVAudioSessionCategoryAmbient;
}
}
#endif
static ma_result ma_context_init__coreaudio(ma_context* pContext, const ma_context_config* pConfig, ma_backend_callbacks* pCallbacks)
{
#if !defined(MA_APPLE_MOBILE)
ma_result result;
#endif
MA_ASSERT(pConfig != NULL);
MA_ASSERT(pContext != NULL);
#if defined(MA_APPLE_MOBILE)
@autoreleasepool {
AVAudioSession* pAudioSession = [AVAudioSession sharedInstance];
AVAudioSessionCategoryOptions options = pConfig->coreaudio.sessionCategoryOptions;
MA_ASSERT(pAudioSession != NULL);
if (pConfig->coreaudio.sessionCategory == ma_ios_session_category_default) {
#if !defined(MA_APPLE_TV) && !defined(MA_APPLE_WATCH)
options |= AVAudioSessionCategoryOptionDefaultToSpeaker;
#endif
if ([pAudioSession setCategory: AVAudioSessionCategoryPlayAndRecord withOptions:options error:nil]) {
} else if ([pAudioSession setCategory: AVAudioSessionCategoryPlayback withOptions:options error:nil]) {
} else if ([pAudioSession setCategory: AVAudioSessionCategoryRecord withOptions:options error:nil]) {
} else {
}
} else {
if (pConfig->coreaudio.sessionCategory != ma_ios_session_category_none) {
#if defined(__IPHONE_12_0)
if (![pAudioSession setCategory: ma_to_AVAudioSessionCategory(pConfig->coreaudio.sessionCategory) withOptions:options error:nil]) {
return MA_INVALID_OPERATION;
}
#else
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_WARNING, "Session category only supported in iOS 12 and newer.");
#endif
}
}
if (!pConfig->coreaudio.noAudioSessionActivate) {
if (![pAudioSession setActive:true error:nil]) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "Failed to activate audio session.");
return MA_FAILED_TO_INIT_BACKEND;
}
}
}
#endif
#if !defined(MA_NO_RUNTIME_LINKING) && !defined(MA_APPLE_MOBILE)
pContext->coreaudio.hCoreFoundation = ma_dlopen(ma_context_get_log(pContext), "/System/Library/Frameworks/CoreFoundation.framework/CoreFoundation");
if (pContext->coreaudio.hCoreFoundation == NULL) {
return MA_API_NOT_FOUND;
}
pContext->coreaudio.CFStringGetCString = ma_dlsym(ma_context_get_log(pContext), pContext->coreaudio.hCoreFoundation, "CFStringGetCString");
pContext->coreaudio.CFRelease = ma_dlsym(ma_context_get_log(pContext), pContext->coreaudio.hCoreFoundation, "CFRelease");
pContext->coreaudio.hCoreAudio = ma_dlopen(ma_context_get_log(pContext), "/System/Library/Frameworks/CoreAudio.framework/CoreAudio");
if (pContext->coreaudio.hCoreAudio == NULL) {
ma_dlclose(ma_context_get_log(pContext), pContext->coreaudio.hCoreFoundation);
return MA_API_NOT_FOUND;
}
pContext->coreaudio.AudioObjectGetPropertyData = ma_dlsym(ma_context_get_log(pContext), pContext->coreaudio.hCoreAudio, "AudioObjectGetPropertyData");
pContext->coreaudio.AudioObjectGetPropertyDataSize = ma_dlsym(ma_context_get_log(pContext), pContext->coreaudio.hCoreAudio, "AudioObjectGetPropertyDataSize");
pContext->coreaudio.AudioObjectSetPropertyData = ma_dlsym(ma_context_get_log(pContext), pContext->coreaudio.hCoreAudio, "AudioObjectSetPropertyData");
pContext->coreaudio.AudioObjectAddPropertyListener = ma_dlsym(ma_context_get_log(pContext), pContext->coreaudio.hCoreAudio, "AudioObjectAddPropertyListener");
pContext->coreaudio.AudioObjectRemovePropertyListener = ma_dlsym(ma_context_get_log(pContext), pContext->coreaudio.hCoreAudio, "AudioObjectRemovePropertyListener");
pContext->coreaudio.hAudioUnit = ma_dlopen(ma_context_get_log(pContext), "/System/Library/Frameworks/AudioUnit.framework/AudioUnit");
if (pContext->coreaudio.hAudioUnit == NULL) {
ma_dlclose(ma_context_get_log(pContext), pContext->coreaudio.hCoreAudio);
ma_dlclose(ma_context_get_log(pContext), pContext->coreaudio.hCoreFoundation);
return MA_API_NOT_FOUND;
}
if (ma_dlsym(ma_context_get_log(pContext), pContext->coreaudio.hAudioUnit, "AudioComponentFindNext") == NULL) {
ma_dlclose(ma_context_get_log(pContext), pContext->coreaudio.hAudioUnit);
pContext->coreaudio.hAudioUnit = ma_dlopen(ma_context_get_log(pContext), "/System/Library/Frameworks/AudioToolbox.framework/AudioToolbox");
if (pContext->coreaudio.hAudioUnit == NULL) {
ma_dlclose(ma_context_get_log(pContext), pContext->coreaudio.hCoreAudio);
ma_dlclose(ma_context_get_log(pContext), pContext->coreaudio.hCoreFoundation);
return MA_API_NOT_FOUND;
}
}
pContext->coreaudio.AudioComponentFindNext = ma_dlsym(ma_context_get_log(pContext), pContext->coreaudio.hAudioUnit, "AudioComponentFindNext");
pContext->coreaudio.AudioComponentInstanceDispose = ma_dlsym(ma_context_get_log(pContext), pContext->coreaudio.hAudioUnit, "AudioComponentInstanceDispose");
pContext->coreaudio.AudioComponentInstanceNew = ma_dlsym(ma_context_get_log(pContext), pContext->coreaudio.hAudioUnit, "AudioComponentInstanceNew");
pContext->coreaudio.AudioOutputUnitStart = ma_dlsym(ma_context_get_log(pContext), pContext->coreaudio.hAudioUnit, "AudioOutputUnitStart");
pContext->coreaudio.AudioOutputUnitStop = ma_dlsym(ma_context_get_log(pContext), pContext->coreaudio.hAudioUnit, "AudioOutputUnitStop");
pContext->coreaudio.AudioUnitAddPropertyListener = ma_dlsym(ma_context_get_log(pContext), pContext->coreaudio.hAudioUnit, "AudioUnitAddPropertyListener");
pContext->coreaudio.AudioUnitGetPropertyInfo = ma_dlsym(ma_context_get_log(pContext), pContext->coreaudio.hAudioUnit, "AudioUnitGetPropertyInfo");
pContext->coreaudio.AudioUnitGetProperty = ma_dlsym(ma_context_get_log(pContext), pContext->coreaudio.hAudioUnit, "AudioUnitGetProperty");
pContext->coreaudio.AudioUnitSetProperty = ma_dlsym(ma_context_get_log(pContext), pContext->coreaudio.hAudioUnit, "AudioUnitSetProperty");
pContext->coreaudio.AudioUnitInitialize = ma_dlsym(ma_context_get_log(pContext), pContext->coreaudio.hAudioUnit, "AudioUnitInitialize");
pContext->coreaudio.AudioUnitRender = ma_dlsym(ma_context_get_log(pContext), pContext->coreaudio.hAudioUnit, "AudioUnitRender");
#else
pContext->coreaudio.CFStringGetCString = (ma_proc)CFStringGetCString;
pContext->coreaudio.CFRelease = (ma_proc)CFRelease;
#if defined(MA_APPLE_DESKTOP)
pContext->coreaudio.AudioObjectGetPropertyData = (ma_proc)AudioObjectGetPropertyData;
pContext->coreaudio.AudioObjectGetPropertyDataSize = (ma_proc)AudioObjectGetPropertyDataSize;
pContext->coreaudio.AudioObjectSetPropertyData = (ma_proc)AudioObjectSetPropertyData;
pContext->coreaudio.AudioObjectAddPropertyListener = (ma_proc)AudioObjectAddPropertyListener;
pContext->coreaudio.AudioObjectRemovePropertyListener = (ma_proc)AudioObjectRemovePropertyListener;
#endif
pContext->coreaudio.AudioComponentFindNext = (ma_proc)AudioComponentFindNext;
pContext->coreaudio.AudioComponentInstanceDispose = (ma_proc)AudioComponentInstanceDispose;
pContext->coreaudio.AudioComponentInstanceNew = (ma_proc)AudioComponentInstanceNew;
pContext->coreaudio.AudioOutputUnitStart = (ma_proc)AudioOutputUnitStart;
pContext->coreaudio.AudioOutputUnitStop = (ma_proc)AudioOutputUnitStop;
pContext->coreaudio.AudioUnitAddPropertyListener = (ma_proc)AudioUnitAddPropertyListener;
pContext->coreaudio.AudioUnitGetPropertyInfo = (ma_proc)AudioUnitGetPropertyInfo;
pContext->coreaudio.AudioUnitGetProperty = (ma_proc)AudioUnitGetProperty;
pContext->coreaudio.AudioUnitSetProperty = (ma_proc)AudioUnitSetProperty;
pContext->coreaudio.AudioUnitInitialize = (ma_proc)AudioUnitInitialize;
pContext->coreaudio.AudioUnitRender = (ma_proc)AudioUnitRender;
#endif
{
AudioComponentDescription desc;
desc.componentType = kAudioUnitType_Output;
#if defined(MA_APPLE_DESKTOP)
desc.componentSubType = kAudioUnitSubType_HALOutput;
#else
desc.componentSubType = kAudioUnitSubType_RemoteIO;
#endif
desc.componentManufacturer = kAudioUnitManufacturer_Apple;
desc.componentFlags = 0;
desc.componentFlagsMask = 0;
pContext->coreaudio.component = ((ma_AudioComponentFindNext_proc)pContext->coreaudio.AudioComponentFindNext)(NULL, &desc);
if (pContext->coreaudio.component == NULL) {
#if !defined(MA_NO_RUNTIME_LINKING) && !defined(MA_APPLE_MOBILE)
ma_dlclose(ma_context_get_log(pContext), pContext->coreaudio.hAudioUnit);
ma_dlclose(ma_context_get_log(pContext), pContext->coreaudio.hCoreAudio);
ma_dlclose(ma_context_get_log(pContext), pContext->coreaudio.hCoreFoundation);
#endif
return MA_FAILED_TO_INIT_BACKEND;
}
}
#if !defined(MA_APPLE_MOBILE)
result = ma_context__init_device_tracking__coreaudio(pContext);
if (result != MA_SUCCESS) {
#if !defined(MA_NO_RUNTIME_LINKING) && !defined(MA_APPLE_MOBILE)
ma_dlclose(ma_context_get_log(pContext), pContext->coreaudio.hAudioUnit);
ma_dlclose(ma_context_get_log(pContext), pContext->coreaudio.hCoreAudio);
ma_dlclose(ma_context_get_log(pContext), pContext->coreaudio.hCoreFoundation);
#endif
return result;
}
#endif
pContext->coreaudio.noAudioSessionDeactivate = pConfig->coreaudio.noAudioSessionDeactivate;
pCallbacks->onContextInit = ma_context_init__coreaudio;
pCallbacks->onContextUninit = ma_context_uninit__coreaudio;
pCallbacks->onContextEnumerateDevices = ma_context_enumerate_devices__coreaudio;
pCallbacks->onContextGetDeviceInfo = ma_context_get_device_info__coreaudio;
pCallbacks->onDeviceInit = ma_device_init__coreaudio;
pCallbacks->onDeviceUninit = ma_device_uninit__coreaudio;
pCallbacks->onDeviceStart = ma_device_start__coreaudio;
pCallbacks->onDeviceStop = ma_device_stop__coreaudio;
pCallbacks->onDeviceRead = NULL;
pCallbacks->onDeviceWrite = NULL;
pCallbacks->onDeviceDataLoop = NULL;
return MA_SUCCESS;
}
#endif
#ifdef MA_HAS_SNDIO
#include <fcntl.h>
#if 0
#if defined(__NetBSD__) || defined(__OpenBSD__)
#include <sys/audioio.h>
#endif
#if defined(__FreeBSD__) || defined(__DragonFly__)
#include <sys/soundcard.h>
#endif
#endif
#define MA_SIO_DEVANY "default"
#define MA_SIO_PLAY 1
#define MA_SIO_REC 2
#define MA_SIO_NENC 8
#define MA_SIO_NCHAN 8
#define MA_SIO_NRATE 16
#define MA_SIO_NCONF 4
struct ma_sio_hdl;
struct ma_sio_par
{
unsigned int bits;
unsigned int bps;
unsigned int sig;
unsigned int le;
unsigned int msb;
unsigned int rchan;
unsigned int pchan;
unsigned int rate;
unsigned int bufsz;
unsigned int xrun;
unsigned int round;
unsigned int appbufsz;
int __pad[3];
unsigned int __magic;
};
struct ma_sio_enc
{
unsigned int bits;
unsigned int bps;
unsigned int sig;
unsigned int le;
unsigned int msb;
};
struct ma_sio_conf
{
unsigned int enc;
unsigned int rchan;
unsigned int pchan;
unsigned int rate;
};
struct ma_sio_cap
{
struct ma_sio_enc enc[MA_SIO_NENC];
unsigned int rchan[MA_SIO_NCHAN];
unsigned int pchan[MA_SIO_NCHAN];
unsigned int rate[MA_SIO_NRATE];
int __pad[7];
unsigned int nconf;
struct ma_sio_conf confs[MA_SIO_NCONF];
};
typedef struct ma_sio_hdl* (* ma_sio_open_proc) (const char*, unsigned int, int);
typedef void (* ma_sio_close_proc) (struct ma_sio_hdl*);
typedef int (* ma_sio_setpar_proc) (struct ma_sio_hdl*, struct ma_sio_par*);
typedef int (* ma_sio_getpar_proc) (struct ma_sio_hdl*, struct ma_sio_par*);
typedef int (* ma_sio_getcap_proc) (struct ma_sio_hdl*, struct ma_sio_cap*);
typedef size_t (* ma_sio_write_proc) (struct ma_sio_hdl*, const void*, size_t);
typedef size_t (* ma_sio_read_proc) (struct ma_sio_hdl*, void*, size_t);
typedef int (* ma_sio_start_proc) (struct ma_sio_hdl*);
typedef int (* ma_sio_stop_proc) (struct ma_sio_hdl*);
typedef int (* ma_sio_initpar_proc)(struct ma_sio_par*);
static ma_uint32 ma_get_standard_sample_rate_priority_index__sndio(ma_uint32 sampleRate)
{
ma_uint32 i;
for (i = 0; i < ma_countof(g_maStandardSampleRatePriorities); ++i) {
if (g_maStandardSampleRatePriorities[i] == sampleRate) {
return i;
}
}
return (ma_uint32)-1;
}
static ma_format ma_format_from_sio_enc__sndio(unsigned int bits, unsigned int bps, unsigned int sig, unsigned int le, unsigned int msb)
{
if ((ma_is_little_endian() && le == 0) || (ma_is_big_endian() && le == 1)) {
return ma_format_unknown;
}
if (bits == 8 && bps == 1 && sig == 0) {
return ma_format_u8;
}
if (bits == 16 && bps == 2 && sig == 1) {
return ma_format_s16;
}
if (bits == 24 && bps == 3 && sig == 1) {
return ma_format_s24;
}
if (bits == 24 && bps == 4 && sig == 1 && msb == 0) {
}
if (bits == 32 && bps == 4 && sig == 1) {
return ma_format_s32;
}
return ma_format_unknown;
}
static ma_format ma_find_best_format_from_sio_cap__sndio(struct ma_sio_cap* caps)
{
ma_format bestFormat;
unsigned int iConfig;
MA_ASSERT(caps != NULL);
bestFormat = ma_format_unknown;
for (iConfig = 0; iConfig < caps->nconf; iConfig += 1) {
unsigned int iEncoding;
for (iEncoding = 0; iEncoding < MA_SIO_NENC; iEncoding += 1) {
unsigned int bits;
unsigned int bps;
unsigned int sig;
unsigned int le;
unsigned int msb;
ma_format format;
if ((caps->confs[iConfig].enc & (1UL << iEncoding)) == 0) {
continue;
}
bits = caps->enc[iEncoding].bits;
bps = caps->enc[iEncoding].bps;
sig = caps->enc[iEncoding].sig;
le = caps->enc[iEncoding].le;
msb = caps->enc[iEncoding].msb;
format = ma_format_from_sio_enc__sndio(bits, bps, sig, le, msb);
if (format == ma_format_unknown) {
continue;
}
if (bestFormat == ma_format_unknown) {
bestFormat = format;
} else {
if (ma_get_format_priority_index(bestFormat) > ma_get_format_priority_index(format)) {
bestFormat = format;
}
}
}
}
return bestFormat;
}
static ma_uint32 ma_find_best_channels_from_sio_cap__sndio(struct ma_sio_cap* caps, ma_device_type deviceType, ma_format requiredFormat)
{
ma_uint32 maxChannels;
unsigned int iConfig;
MA_ASSERT(caps != NULL);
MA_ASSERT(requiredFormat != ma_format_unknown);
maxChannels = 0;
for (iConfig = 0; iConfig < caps->nconf; iConfig += 1) {
unsigned int iEncoding;
for (iEncoding = 0; iEncoding < MA_SIO_NENC; iEncoding += 1) {
unsigned int iChannel;
unsigned int bits;
unsigned int bps;
unsigned int sig;
unsigned int le;
unsigned int msb;
ma_format format;
if ((caps->confs[iConfig].enc & (1UL << iEncoding)) == 0) {
continue;
}
bits = caps->enc[iEncoding].bits;
bps = caps->enc[iEncoding].bps;
sig = caps->enc[iEncoding].sig;
le = caps->enc[iEncoding].le;
msb = caps->enc[iEncoding].msb;
format = ma_format_from_sio_enc__sndio(bits, bps, sig, le, msb);
if (format != requiredFormat) {
continue;
}
for (iChannel = 0; iChannel < MA_SIO_NCHAN; iChannel += 1) {
unsigned int chan = 0;
unsigned int channels;
if (deviceType == ma_device_type_playback) {
chan = caps->confs[iConfig].pchan;
} else {
chan = caps->confs[iConfig].rchan;
}
if ((chan & (1UL << iChannel)) == 0) {
continue;
}
if (deviceType == ma_device_type_playback) {
channels = caps->pchan[iChannel];
} else {
channels = caps->rchan[iChannel];
}
if (maxChannels < channels) {
maxChannels = channels;
}
}
}
}
return maxChannels;
}
static ma_uint32 ma_find_best_sample_rate_from_sio_cap__sndio(struct ma_sio_cap* caps, ma_device_type deviceType, ma_format requiredFormat, ma_uint32 requiredChannels)
{
ma_uint32 firstSampleRate;
ma_uint32 bestSampleRate;
unsigned int iConfig;
MA_ASSERT(caps != NULL);
MA_ASSERT(requiredFormat != ma_format_unknown);
MA_ASSERT(requiredChannels > 0);
MA_ASSERT(requiredChannels <= MA_MAX_CHANNELS);
firstSampleRate = 0;
bestSampleRate = 0;
for (iConfig = 0; iConfig < caps->nconf; iConfig += 1) {
unsigned int iEncoding;
for (iEncoding = 0; iEncoding < MA_SIO_NENC; iEncoding += 1) {
unsigned int iChannel;
unsigned int bits;
unsigned int bps;
unsigned int sig;
unsigned int le;
unsigned int msb;
ma_format format;
if ((caps->confs[iConfig].enc & (1UL << iEncoding)) == 0) {
continue;
}
bits = caps->enc[iEncoding].bits;
bps = caps->enc[iEncoding].bps;
sig = caps->enc[iEncoding].sig;
le = caps->enc[iEncoding].le;
msb = caps->enc[iEncoding].msb;
format = ma_format_from_sio_enc__sndio(bits, bps, sig, le, msb);
if (format != requiredFormat) {
continue;
}
for (iChannel = 0; iChannel < MA_SIO_NCHAN; iChannel += 1) {
unsigned int chan = 0;
unsigned int channels;
unsigned int iRate;
if (deviceType == ma_device_type_playback) {
chan = caps->confs[iConfig].pchan;
} else {
chan = caps->confs[iConfig].rchan;
}
if ((chan & (1UL << iChannel)) == 0) {
continue;
}
if (deviceType == ma_device_type_playback) {
channels = caps->pchan[iChannel];
} else {
channels = caps->rchan[iChannel];
}
if (channels != requiredChannels) {
continue;
}
for (iRate = 0; iRate < MA_SIO_NRATE; iRate += 1) {
ma_uint32 rate = (ma_uint32)caps->rate[iRate];
ma_uint32 ratePriority;
if (firstSampleRate == 0) {
firstSampleRate = rate;
}
ratePriority = ma_get_standard_sample_rate_priority_index__sndio(rate);
if (ratePriority == (ma_uint32)-1) {
continue;
}
if (ma_get_standard_sample_rate_priority_index__sndio(bestSampleRate) > ratePriority) {
bestSampleRate = rate;
}
}
}
}
}
if (bestSampleRate == 0) {
bestSampleRate = firstSampleRate;
}
return bestSampleRate;
}
static ma_result ma_context_enumerate_devices__sndio(ma_context* pContext, ma_enum_devices_callback_proc callback, void* pUserData)
{
ma_bool32 isTerminating = MA_FALSE;
struct ma_sio_hdl* handle;
MA_ASSERT(pContext != NULL);
MA_ASSERT(callback != NULL);
if (!isTerminating) {
handle = ((ma_sio_open_proc)pContext->sndio.sio_open)(MA_SIO_DEVANY, MA_SIO_PLAY, 0);
if (handle != NULL) {
ma_device_info deviceInfo;
MA_ZERO_OBJECT(&deviceInfo);
ma_strcpy_s(deviceInfo.id.sndio, sizeof(deviceInfo.id.sndio), MA_SIO_DEVANY);
ma_strcpy_s(deviceInfo.name, sizeof(deviceInfo.name), MA_DEFAULT_PLAYBACK_DEVICE_NAME);
isTerminating = !callback(pContext, ma_device_type_playback, &deviceInfo, pUserData);
((ma_sio_close_proc)pContext->sndio.sio_close)(handle);
}
}
if (!isTerminating) {
handle = ((ma_sio_open_proc)pContext->sndio.sio_open)(MA_SIO_DEVANY, MA_SIO_REC, 0);
if (handle != NULL) {
ma_device_info deviceInfo;
MA_ZERO_OBJECT(&deviceInfo);
ma_strcpy_s(deviceInfo.id.sndio, sizeof(deviceInfo.id.sndio), "default");
ma_strcpy_s(deviceInfo.name, sizeof(deviceInfo.name), MA_DEFAULT_CAPTURE_DEVICE_NAME);
isTerminating = !callback(pContext, ma_device_type_capture, &deviceInfo, pUserData);
((ma_sio_close_proc)pContext->sndio.sio_close)(handle);
}
}
return MA_SUCCESS;
}
static ma_result ma_context_get_device_info__sndio(ma_context* pContext, ma_device_type deviceType, const ma_device_id* pDeviceID, ma_device_info* pDeviceInfo)
{
char devid[256];
struct ma_sio_hdl* handle;
struct ma_sio_cap caps;
unsigned int iConfig;
MA_ASSERT(pContext != NULL);
if (pDeviceID == NULL) {
ma_strcpy_s(devid, sizeof(devid), MA_SIO_DEVANY);
ma_strcpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), (deviceType == ma_device_type_playback) ? MA_DEFAULT_PLAYBACK_DEVICE_NAME : MA_DEFAULT_CAPTURE_DEVICE_NAME);
} else {
ma_strcpy_s(devid, sizeof(devid), pDeviceID->sndio);
ma_strcpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), devid);
}
handle = ((ma_sio_open_proc)pContext->sndio.sio_open)(devid, (deviceType == ma_device_type_playback) ? MA_SIO_PLAY : MA_SIO_REC, 0);
if (handle == NULL) {
return MA_NO_DEVICE;
}
if (((ma_sio_getcap_proc)pContext->sndio.sio_getcap)(handle, &caps) == 0) {
return MA_ERROR;
}
pDeviceInfo->nativeDataFormatCount = 0;
for (iConfig = 0; iConfig < caps.nconf; iConfig += 1) {
unsigned int iEncoding;
unsigned int iChannel;
unsigned int iRate;
for (iEncoding = 0; iEncoding < MA_SIO_NENC; iEncoding += 1) {
unsigned int bits;
unsigned int bps;
unsigned int sig;
unsigned int le;
unsigned int msb;
ma_format format;
if ((caps.confs[iConfig].enc & (1UL << iEncoding)) == 0) {
continue;
}
bits = caps.enc[iEncoding].bits;
bps = caps.enc[iEncoding].bps;
sig = caps.enc[iEncoding].sig;
le = caps.enc[iEncoding].le;
msb = caps.enc[iEncoding].msb;
format = ma_format_from_sio_enc__sndio(bits, bps, sig, le, msb);
if (format == ma_format_unknown) {
continue;
}
for (iChannel = 0; iChannel < MA_SIO_NCHAN; iChannel += 1) {
unsigned int chan = 0;
unsigned int channels;
if (deviceType == ma_device_type_playback) {
chan = caps.confs[iConfig].pchan;
} else {
chan = caps.confs[iConfig].rchan;
}
if ((chan & (1UL << iChannel)) == 0) {
continue;
}
if (deviceType == ma_device_type_playback) {
channels = caps.pchan[iChannel];
} else {
channels = caps.rchan[iChannel];
}
for (iRate = 0; iRate < MA_SIO_NRATE; iRate += 1) {
if ((caps.confs[iConfig].rate & (1UL << iRate)) != 0) {
ma_device_info_add_native_data_format(pDeviceInfo, format, channels, caps.rate[iRate], 0);
}
}
}
}
}
((ma_sio_close_proc)pContext->sndio.sio_close)(handle);
return MA_SUCCESS;
}
static ma_result ma_device_uninit__sndio(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
((ma_sio_close_proc)pDevice->pContext->sndio.sio_close)((struct ma_sio_hdl*)pDevice->sndio.handleCapture);
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
((ma_sio_close_proc)pDevice->pContext->sndio.sio_close)((struct ma_sio_hdl*)pDevice->sndio.handlePlayback);
}
return MA_SUCCESS;
}
static ma_result ma_device_init_handle__sndio(ma_device* pDevice, const ma_device_config* pConfig, ma_device_descriptor* pDescriptor, ma_device_type deviceType)
{
const char* pDeviceName;
ma_ptr handle;
int openFlags = 0;
struct ma_sio_cap caps;
struct ma_sio_par par;
const ma_device_id* pDeviceID;
ma_format format;
ma_uint32 channels;
ma_uint32 sampleRate;
ma_format internalFormat;
ma_uint32 internalChannels;
ma_uint32 internalSampleRate;
ma_uint32 internalPeriodSizeInFrames;
ma_uint32 internalPeriods;
MA_ASSERT(pConfig != NULL);
MA_ASSERT(deviceType != ma_device_type_duplex);
MA_ASSERT(pDevice != NULL);
if (deviceType == ma_device_type_capture) {
openFlags = MA_SIO_REC;
} else {
openFlags = MA_SIO_PLAY;
}
pDeviceID = pDescriptor->pDeviceID;
format = pDescriptor->format;
channels = pDescriptor->channels;
sampleRate = pDescriptor->sampleRate;
pDeviceName = MA_SIO_DEVANY;
if (pDeviceID != NULL) {
pDeviceName = pDeviceID->sndio;
}
handle = (ma_ptr)((ma_sio_open_proc)pDevice->pContext->sndio.sio_open)(pDeviceName, openFlags, 0);
if (handle == NULL) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[sndio] Failed to open device.");
return MA_FAILED_TO_OPEN_BACKEND_DEVICE;
}
if (((ma_sio_getcap_proc)pDevice->pContext->sndio.sio_getcap)((struct ma_sio_hdl*)handle, &caps) == 0) {
((ma_sio_close_proc)pDevice->pContext->sndio.sio_close)((struct ma_sio_hdl*)handle);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[sndio] Failed to retrieve device caps.");
return MA_ERROR;
}
if (deviceType == ma_device_type_capture) {
if (format == ma_format_unknown) {
format = ma_find_best_format_from_sio_cap__sndio(&caps);
}
if (channels == 0) {
if (strlen(pDeviceName) > strlen("rsnd/") && strncmp(pDeviceName, "rsnd/", strlen("rsnd/")) == 0) {
channels = ma_find_best_channels_from_sio_cap__sndio(&caps, deviceType, format);
} else {
channels = MA_DEFAULT_CHANNELS;
}
}
} else {
if (format == ma_format_unknown) {
format = ma_find_best_format_from_sio_cap__sndio(&caps);
}
if (channels == 0) {
if (strlen(pDeviceName) > strlen("rsnd/") && strncmp(pDeviceName, "rsnd/", strlen("rsnd/")) == 0) {
channels = ma_find_best_channels_from_sio_cap__sndio(&caps, deviceType, format);
} else {
channels = MA_DEFAULT_CHANNELS;
}
}
}
if (sampleRate == 0) {
sampleRate = ma_find_best_sample_rate_from_sio_cap__sndio(&caps, pConfig->deviceType, format, channels);
}
((ma_sio_initpar_proc)pDevice->pContext->sndio.sio_initpar)(&par);
par.msb = 0;
par.le = ma_is_little_endian();
switch (format) {
case ma_format_u8:
{
par.bits = 8;
par.bps = 1;
par.sig = 0;
} break;
case ma_format_s24:
{
par.bits = 24;
par.bps = 3;
par.sig = 1;
} break;
case ma_format_s32:
{
par.bits = 32;
par.bps = 4;
par.sig = 1;
} break;
case ma_format_s16:
case ma_format_f32:
case ma_format_unknown:
default:
{
par.bits = 16;
par.bps = 2;
par.sig = 1;
} break;
}
if (deviceType == ma_device_type_capture) {
par.rchan = channels;
} else {
par.pchan = channels;
}
par.rate = sampleRate;
internalPeriodSizeInFrames = ma_calculate_buffer_size_in_frames_from_descriptor(pDescriptor, par.rate, pConfig->performanceProfile);
par.round = internalPeriodSizeInFrames;
par.appbufsz = par.round * pDescriptor->periodCount;
if (((ma_sio_setpar_proc)pDevice->pContext->sndio.sio_setpar)((struct ma_sio_hdl*)handle, &par) == 0) {
((ma_sio_close_proc)pDevice->pContext->sndio.sio_close)((struct ma_sio_hdl*)handle);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[sndio] Failed to set buffer size.");
return MA_ERROR;
}
if (((ma_sio_getpar_proc)pDevice->pContext->sndio.sio_getpar)((struct ma_sio_hdl*)handle, &par) == 0) {
((ma_sio_close_proc)pDevice->pContext->sndio.sio_close)((struct ma_sio_hdl*)handle);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[sndio] Failed to retrieve buffer size.");
return MA_ERROR;
}
internalFormat = ma_format_from_sio_enc__sndio(par.bits, par.bps, par.sig, par.le, par.msb);
internalChannels = (deviceType == ma_device_type_capture) ? par.rchan : par.pchan;
internalSampleRate = par.rate;
internalPeriods = par.appbufsz / par.round;
internalPeriodSizeInFrames = par.round;
if (deviceType == ma_device_type_capture) {
pDevice->sndio.handleCapture = handle;
} else {
pDevice->sndio.handlePlayback = handle;
}
pDescriptor->format = internalFormat;
pDescriptor->channels = internalChannels;
pDescriptor->sampleRate = internalSampleRate;
ma_channel_map_init_standard(ma_standard_channel_map_sndio, pDescriptor->channelMap, ma_countof(pDescriptor->channelMap), internalChannels);
pDescriptor->periodSizeInFrames = internalPeriodSizeInFrames;
pDescriptor->periodCount = internalPeriods;
return MA_SUCCESS;
}
static ma_result ma_device_init__sndio(ma_device* pDevice, const ma_device_config* pConfig, ma_device_descriptor* pDescriptorPlayback, ma_device_descriptor* pDescriptorCapture)
{
MA_ASSERT(pDevice != NULL);
MA_ZERO_OBJECT(&pDevice->sndio);
if (pConfig->deviceType == ma_device_type_loopback) {
return MA_DEVICE_TYPE_NOT_SUPPORTED;
}
if (pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex) {
ma_result result = ma_device_init_handle__sndio(pDevice, pConfig, pDescriptorCapture, ma_device_type_capture);
if (result != MA_SUCCESS) {
return result;
}
}
if (pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex) {
ma_result result = ma_device_init_handle__sndio(pDevice, pConfig, pDescriptorPlayback, ma_device_type_playback);
if (result != MA_SUCCESS) {
return result;
}
}
return MA_SUCCESS;
}
static ma_result ma_device_start__sndio(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
((ma_sio_start_proc)pDevice->pContext->sndio.sio_start)((struct ma_sio_hdl*)pDevice->sndio.handleCapture);
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
((ma_sio_start_proc)pDevice->pContext->sndio.sio_start)((struct ma_sio_hdl*)pDevice->sndio.handlePlayback);
}
return MA_SUCCESS;
}
static ma_result ma_device_stop__sndio(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
((ma_sio_stop_proc)pDevice->pContext->sndio.sio_stop)((struct ma_sio_hdl*)pDevice->sndio.handleCapture);
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
((ma_sio_stop_proc)pDevice->pContext->sndio.sio_stop)((struct ma_sio_hdl*)pDevice->sndio.handlePlayback);
}
return MA_SUCCESS;
}
static ma_result ma_device_write__sndio(ma_device* pDevice, const void* pPCMFrames, ma_uint32 frameCount, ma_uint32* pFramesWritten)
{
int result;
if (pFramesWritten != NULL) {
*pFramesWritten = 0;
}
result = ((ma_sio_write_proc)pDevice->pContext->sndio.sio_write)((struct ma_sio_hdl*)pDevice->sndio.handlePlayback, pPCMFrames, frameCount * ma_get_bytes_per_frame(pDevice->playback.internalFormat, pDevice->playback.internalChannels));
if (result == 0) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[sndio] Failed to send data from the client to the device.");
return MA_IO_ERROR;
}
if (pFramesWritten != NULL) {
*pFramesWritten = frameCount;
}
return MA_SUCCESS;
}
static ma_result ma_device_read__sndio(ma_device* pDevice, void* pPCMFrames, ma_uint32 frameCount, ma_uint32* pFramesRead)
{
int result;
if (pFramesRead != NULL) {
*pFramesRead = 0;
}
result = ((ma_sio_read_proc)pDevice->pContext->sndio.sio_read)((struct ma_sio_hdl*)pDevice->sndio.handleCapture, pPCMFrames, frameCount * ma_get_bytes_per_frame(pDevice->capture.internalFormat, pDevice->capture.internalChannels));
if (result == 0) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[sndio] Failed to read data from the device to be sent to the device.");
return MA_IO_ERROR;
}
if (pFramesRead != NULL) {
*pFramesRead = frameCount;
}
return MA_SUCCESS;
}
static ma_result ma_context_uninit__sndio(ma_context* pContext)
{
MA_ASSERT(pContext != NULL);
MA_ASSERT(pContext->backend == ma_backend_sndio);
(void)pContext;
return MA_SUCCESS;
}
static ma_result ma_context_init__sndio(ma_context* pContext, const ma_context_config* pConfig, ma_backend_callbacks* pCallbacks)
{
#ifndef MA_NO_RUNTIME_LINKING
const char* libsndioNames[] = {
"libsndio.so"
};
size_t i;
for (i = 0; i < ma_countof(libsndioNames); ++i) {
pContext->sndio.sndioSO = ma_dlopen(ma_context_get_log(pContext), libsndioNames[i]);
if (pContext->sndio.sndioSO != NULL) {
break;
}
}
if (pContext->sndio.sndioSO == NULL) {
return MA_NO_BACKEND;
}
pContext->sndio.sio_open = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->sndio.sndioSO, "sio_open");
pContext->sndio.sio_close = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->sndio.sndioSO, "sio_close");
pContext->sndio.sio_setpar = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->sndio.sndioSO, "sio_setpar");
pContext->sndio.sio_getpar = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->sndio.sndioSO, "sio_getpar");
pContext->sndio.sio_getcap = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->sndio.sndioSO, "sio_getcap");
pContext->sndio.sio_write = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->sndio.sndioSO, "sio_write");
pContext->sndio.sio_read = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->sndio.sndioSO, "sio_read");
pContext->sndio.sio_start = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->sndio.sndioSO, "sio_start");
pContext->sndio.sio_stop = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->sndio.sndioSO, "sio_stop");
pContext->sndio.sio_initpar = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->sndio.sndioSO, "sio_initpar");
#else
pContext->sndio.sio_open = sio_open;
pContext->sndio.sio_close = sio_close;
pContext->sndio.sio_setpar = sio_setpar;
pContext->sndio.sio_getpar = sio_getpar;
pContext->sndio.sio_getcap = sio_getcap;
pContext->sndio.sio_write = sio_write;
pContext->sndio.sio_read = sio_read;
pContext->sndio.sio_start = sio_start;
pContext->sndio.sio_stop = sio_stop;
pContext->sndio.sio_initpar = sio_initpar;
#endif
pCallbacks->onContextInit = ma_context_init__sndio;
pCallbacks->onContextUninit = ma_context_uninit__sndio;
pCallbacks->onContextEnumerateDevices = ma_context_enumerate_devices__sndio;
pCallbacks->onContextGetDeviceInfo = ma_context_get_device_info__sndio;
pCallbacks->onDeviceInit = ma_device_init__sndio;
pCallbacks->onDeviceUninit = ma_device_uninit__sndio;
pCallbacks->onDeviceStart = ma_device_start__sndio;
pCallbacks->onDeviceStop = ma_device_stop__sndio;
pCallbacks->onDeviceRead = ma_device_read__sndio;
pCallbacks->onDeviceWrite = ma_device_write__sndio;
pCallbacks->onDeviceDataLoop = NULL;
(void)pConfig;
return MA_SUCCESS;
}
#endif
#ifdef MA_HAS_AUDIO4
#include <fcntl.h>
#include <poll.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/audioio.h>
#ifdef __NetBSD__
#include <sys/param.h>
#endif
#if defined(__OpenBSD__)
#include <sys/param.h>
#if defined(OpenBSD) && OpenBSD >= 201709
#define MA_AUDIO4_USE_NEW_API
#endif
#endif
static void ma_construct_device_id__audio4(char* id, size_t idSize, const char* base, int deviceIndex)
{
size_t baseLen;
MA_ASSERT(id != NULL);
MA_ASSERT(idSize > 0);
MA_ASSERT(deviceIndex >= 0);
baseLen = strlen(base);
MA_ASSERT(idSize > baseLen);
ma_strcpy_s(id, idSize, base);
ma_itoa_s(deviceIndex, id+baseLen, idSize-baseLen, 10);
}
static ma_result ma_extract_device_index_from_id__audio4(const char* id, const char* base, int* pIndexOut)
{
size_t idLen;
size_t baseLen;
const char* deviceIndexStr;
MA_ASSERT(id != NULL);
MA_ASSERT(base != NULL);
MA_ASSERT(pIndexOut != NULL);
idLen = strlen(id);
baseLen = strlen(base);
if (idLen <= baseLen) {
return MA_ERROR;
}
if (strncmp(id, base, baseLen) != 0) {
return MA_ERROR;
}
deviceIndexStr = id + baseLen;
if (deviceIndexStr[0] == '\0') {
return MA_ERROR;
}
if (pIndexOut) {
*pIndexOut = atoi(deviceIndexStr);
}
return MA_SUCCESS;
}
#if !defined(MA_AUDIO4_USE_NEW_API)
static ma_format ma_format_from_encoding__audio4(unsigned int encoding, unsigned int precision)
{
if (precision == 8 && (encoding == AUDIO_ENCODING_ULINEAR || encoding == AUDIO_ENCODING_ULINEAR || encoding == AUDIO_ENCODING_ULINEAR_LE || encoding == AUDIO_ENCODING_ULINEAR_BE)) {
return ma_format_u8;
} else {
if (ma_is_little_endian() && encoding == AUDIO_ENCODING_SLINEAR_LE) {
if (precision == 16) {
return ma_format_s16;
} else if (precision == 24) {
return ma_format_s24;
} else if (precision == 32) {
return ma_format_s32;
}
} else if (ma_is_big_endian() && encoding == AUDIO_ENCODING_SLINEAR_BE) {
if (precision == 16) {
return ma_format_s16;
} else if (precision == 24) {
return ma_format_s24;
} else if (precision == 32) {
return ma_format_s32;
}
}
}
return ma_format_unknown;
}
static void ma_encoding_from_format__audio4(ma_format format, unsigned int* pEncoding, unsigned int* pPrecision)
{
MA_ASSERT(pEncoding != NULL);
MA_ASSERT(pPrecision != NULL);
switch (format)
{
case ma_format_u8:
{
*pEncoding = AUDIO_ENCODING_ULINEAR;
*pPrecision = 8;
} break;
case ma_format_s24:
{
*pEncoding = (ma_is_little_endian()) ? AUDIO_ENCODING_SLINEAR_LE : AUDIO_ENCODING_SLINEAR_BE;
*pPrecision = 24;
} break;
case ma_format_s32:
{
*pEncoding = (ma_is_little_endian()) ? AUDIO_ENCODING_SLINEAR_LE : AUDIO_ENCODING_SLINEAR_BE;
*pPrecision = 32;
} break;
case ma_format_s16:
case ma_format_f32:
case ma_format_unknown:
default:
{
*pEncoding = (ma_is_little_endian()) ? AUDIO_ENCODING_SLINEAR_LE : AUDIO_ENCODING_SLINEAR_BE;
*pPrecision = 16;
} break;
}
}
static ma_format ma_format_from_prinfo__audio4(struct audio_prinfo* prinfo)
{
return ma_format_from_encoding__audio4(prinfo->encoding, prinfo->precision);
}
static ma_format ma_best_format_from_fd__audio4(int fd, ma_format preferredFormat)
{
audio_encoding_t encoding;
ma_uint32 iFormat;
int counter = 0;
if (preferredFormat != ma_format_unknown) {
counter = 0;
for (;;) {
MA_ZERO_OBJECT(&encoding);
encoding.index = counter;
if (ioctl(fd, AUDIO_GETENC, &encoding) < 0) {
break;
}
if (preferredFormat == ma_format_from_encoding__audio4(encoding.encoding, encoding.precision)) {
return preferredFormat;
}
counter += 1;
}
}
for (iFormat = 0; iFormat < ma_countof(g_maFormatPriorities); iFormat += 1) {
ma_format format = g_maFormatPriorities[iFormat];
counter = 0;
for (;;) {
MA_ZERO_OBJECT(&encoding);
encoding.index = counter;
if (ioctl(fd, AUDIO_GETENC, &encoding) < 0) {
break;
}
if (format == ma_format_from_encoding__audio4(encoding.encoding, encoding.precision)) {
return format;
}
counter += 1;
}
}
return ma_format_unknown;
}
#else
static ma_format ma_format_from_swpar__audio4(struct audio_swpar* par)
{
if (par->bits == 8 && par->bps == 1 && par->sig == 0) {
return ma_format_u8;
}
if (par->bits == 16 && par->bps == 2 && par->sig == 1 && par->le == ma_is_little_endian()) {
return ma_format_s16;
}
if (par->bits == 24 && par->bps == 3 && par->sig == 1 && par->le == ma_is_little_endian()) {
return ma_format_s24;
}
if (par->bits == 32 && par->bps == 4 && par->sig == 1 && par->le == ma_is_little_endian()) {
return ma_format_f32;
}
return ma_format_unknown;
}
#endif
static ma_result ma_context_get_device_info_from_fd__audio4(ma_context* pContext, ma_device_type deviceType, int fd, ma_device_info* pDeviceInfo)
{
audio_device_t fdDevice;
MA_ASSERT(pContext != NULL);
MA_ASSERT(fd >= 0);
MA_ASSERT(pDeviceInfo != NULL);
(void)pContext;
(void)deviceType;
if (ioctl(fd, AUDIO_GETDEV, &fdDevice) < 0) {
return MA_ERROR;
}
ma_strcpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), fdDevice.name);
#if !defined(MA_AUDIO4_USE_NEW_API)
{
audio_info_t fdInfo;
int counter = 0;
ma_uint32 channels;
ma_uint32 sampleRate;
#if defined(__NetBSD__) && (__NetBSD_Version__ >= 900000000)
if (ioctl(fd, AUDIO_GETFORMAT, &fdInfo) < 0) {
return MA_ERROR;
}
#else
if (ioctl(fd, AUDIO_GETINFO, &fdInfo) < 0) {
return MA_ERROR;
}
#endif
if (deviceType == ma_device_type_playback) {
channels = fdInfo.play.channels;
sampleRate = fdInfo.play.sample_rate;
} else {
channels = fdInfo.record.channels;
sampleRate = fdInfo.record.sample_rate;
}
pDeviceInfo->nativeDataFormatCount = 0;
for (;;) {
audio_encoding_t encoding;
ma_format format;
MA_ZERO_OBJECT(&encoding);
encoding.index = counter;
if (ioctl(fd, AUDIO_GETENC, &encoding) < 0) {
break;
}
format = ma_format_from_encoding__audio4(encoding.encoding, encoding.precision);
if (format != ma_format_unknown) {
ma_device_info_add_native_data_format(pDeviceInfo, format, channels, sampleRate, 0);
}
counter += 1;
}
}
#else
{
struct audio_swpar fdPar;
ma_format format;
ma_uint32 channels;
ma_uint32 sampleRate;
if (ioctl(fd, AUDIO_GETPAR, &fdPar) < 0) {
return MA_ERROR;
}
format = ma_format_from_swpar__audio4(&fdPar);
if (format == ma_format_unknown) {
return MA_FORMAT_NOT_SUPPORTED;
}
if (deviceType == ma_device_type_playback) {
channels = fdPar.pchan;
} else {
channels = fdPar.rchan;
}
sampleRate = fdPar.rate;
pDeviceInfo->nativeDataFormatCount = 0;
ma_device_info_add_native_data_format(pDeviceInfo, format, channels, sampleRate, 0);
}
#endif
return MA_SUCCESS;
}
static ma_result ma_context_enumerate_devices__audio4(ma_context* pContext, ma_enum_devices_callback_proc callback, void* pUserData)
{
const int maxDevices = 64;
char devpath[256];
int iDevice;
MA_ASSERT(pContext != NULL);
MA_ASSERT(callback != NULL);
for (iDevice = 0; iDevice < maxDevices; ++iDevice) {
struct stat st;
int fd;
ma_bool32 isTerminating = MA_FALSE;
ma_strcpy_s(devpath, sizeof(devpath), "/dev/audioctl");
ma_itoa_s(iDevice, devpath+strlen(devpath), sizeof(devpath)-strlen(devpath), 10);
if (stat(devpath, &st) < 0) {
break;
}
if (!isTerminating) {
fd = open(devpath, O_RDONLY, 0);
if (fd >= 0) {
ma_device_info deviceInfo;
MA_ZERO_OBJECT(&deviceInfo);
ma_construct_device_id__audio4(deviceInfo.id.audio4, sizeof(deviceInfo.id.audio4), "/dev/audio", iDevice);
if (ma_context_get_device_info_from_fd__audio4(pContext, ma_device_type_playback, fd, &deviceInfo) == MA_SUCCESS) {
isTerminating = !callback(pContext, ma_device_type_playback, &deviceInfo, pUserData);
}
close(fd);
}
}
if (!isTerminating) {
fd = open(devpath, O_WRONLY, 0);
if (fd >= 0) {
ma_device_info deviceInfo;
MA_ZERO_OBJECT(&deviceInfo);
ma_construct_device_id__audio4(deviceInfo.id.audio4, sizeof(deviceInfo.id.audio4), "/dev/audio", iDevice);
if (ma_context_get_device_info_from_fd__audio4(pContext, ma_device_type_capture, fd, &deviceInfo) == MA_SUCCESS) {
isTerminating = !callback(pContext, ma_device_type_capture, &deviceInfo, pUserData);
}
close(fd);
}
}
if (isTerminating) {
break;
}
}
return MA_SUCCESS;
}
static ma_result ma_context_get_device_info__audio4(ma_context* pContext, ma_device_type deviceType, const ma_device_id* pDeviceID, ma_device_info* pDeviceInfo)
{
int fd = -1;
int deviceIndex = -1;
char ctlid[256];
ma_result result;
MA_ASSERT(pContext != NULL);
if (pDeviceID == NULL) {
ma_strcpy_s(ctlid, sizeof(ctlid), "/dev/audioctl");
} else {
result = ma_extract_device_index_from_id__audio4(pDeviceID->audio4, "/dev/audio", &deviceIndex);
if (result != MA_SUCCESS) {
return result;
}
ma_construct_device_id__audio4(ctlid, sizeof(ctlid), "/dev/audioctl", deviceIndex);
}
fd = open(ctlid, (deviceType == ma_device_type_playback) ? O_WRONLY : O_RDONLY, 0);
if (fd == -1) {
return MA_NO_DEVICE;
}
if (deviceIndex == -1) {
ma_strcpy_s(pDeviceInfo->id.audio4, sizeof(pDeviceInfo->id.audio4), "/dev/audio");
} else {
ma_construct_device_id__audio4(pDeviceInfo->id.audio4, sizeof(pDeviceInfo->id.audio4), "/dev/audio", deviceIndex);
}
result = ma_context_get_device_info_from_fd__audio4(pContext, deviceType, fd, pDeviceInfo);
close(fd);
return result;
}
static ma_result ma_device_uninit__audio4(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
close(pDevice->audio4.fdCapture);
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
close(pDevice->audio4.fdPlayback);
}
return MA_SUCCESS;
}
static ma_result ma_device_init_fd__audio4(ma_device* pDevice, const ma_device_config* pConfig, ma_device_descriptor* pDescriptor, ma_device_type deviceType)
{
const char* pDefaultDeviceNames[] = {
"/dev/audio",
"/dev/audio0"
};
const char* pDefaultDeviceCtlNames[] = {
"/dev/audioctl",
"/dev/audioctl0"
};
int fd;
int fdFlags = 0;
size_t iDefaultDevice = (size_t)-1;
ma_format internalFormat;
ma_uint32 internalChannels;
ma_uint32 internalSampleRate;
ma_uint32 internalPeriodSizeInFrames;
ma_uint32 internalPeriods;
MA_ASSERT(pConfig != NULL);
MA_ASSERT(deviceType != ma_device_type_duplex);
MA_ASSERT(pDevice != NULL);
if (deviceType == ma_device_type_capture) {
fdFlags = O_RDONLY;
} else {
fdFlags = O_WRONLY;
}
if (pDescriptor->pDeviceID == NULL) {
for (iDefaultDevice = 0; iDefaultDevice < ma_countof(pDefaultDeviceNames); ++iDefaultDevice) {
fd = open(pDefaultDeviceNames[iDefaultDevice], fdFlags, 0);
if (fd != -1) {
break;
}
}
} else {
fd = open(pDescriptor->pDeviceID->audio4, fdFlags, 0);
for (iDefaultDevice = 0; iDefaultDevice < ma_countof(pDefaultDeviceNames); iDefaultDevice += 1) {
if (ma_strcmp(pDefaultDeviceNames[iDefaultDevice], pDescriptor->pDeviceID->audio4) == 0) {
break;
}
}
if (iDefaultDevice == ma_countof(pDefaultDeviceNames)) {
iDefaultDevice = (size_t)-1;
}
}
if (fd == -1) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[audio4] Failed to open device.");
return ma_result_from_errno(errno);
}
#if !defined(MA_AUDIO4_USE_NEW_API)
{
audio_info_t fdInfo;
int fdInfoResult = -1;
AUDIO_INITINFO(&fdInfo);
if (iDefaultDevice != (size_t)-1) {
int fdctl = open(pDefaultDeviceCtlNames[iDefaultDevice], fdFlags, 0);
if (fdctl != -1) {
#if defined(__NetBSD__) && (__NetBSD_Version__ >= 900000000)
fdInfoResult = ioctl(fdctl, AUDIO_GETFORMAT, &fdInfo);
#else
fdInfoResult = ioctl(fdctl, AUDIO_GETINFO, &fdInfo);
#endif
close(fdctl);
}
}
if (fdInfoResult == -1) {
if (ioctl(fd, AUDIO_GETINFO, &fdInfo) < 0) {
close(fd);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[audio4] AUDIO_GETINFO failed.");
return ma_result_from_errno(errno);
}
}
if (deviceType == ma_device_type_capture) {
fdInfo.mode = AUMODE_RECORD;
ma_encoding_from_format__audio4(ma_best_format_from_fd__audio4(fd, pDescriptor->format), &fdInfo.record.encoding, &fdInfo.record.precision);
if (pDescriptor->channels != 0) {
fdInfo.record.channels = ma_clamp(pDescriptor->channels, 1, 12);
}
if (pDescriptor->sampleRate != 0) {
fdInfo.record.sample_rate = ma_clamp(pDescriptor->sampleRate, 1000, 192000);
}
} else {
fdInfo.mode = AUMODE_PLAY;
ma_encoding_from_format__audio4(ma_best_format_from_fd__audio4(fd, pDescriptor->format), &fdInfo.play.encoding, &fdInfo.play.precision);
if (pDescriptor->channels != 0) {
fdInfo.play.channels = ma_clamp(pDescriptor->channels, 1, 12);
}
if (pDescriptor->sampleRate != 0) {
fdInfo.play.sample_rate = ma_clamp(pDescriptor->sampleRate, 1000, 192000);
}
}
if (ioctl(fd, AUDIO_SETINFO, &fdInfo) < 0) {
close(fd);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[audio4] Failed to set device format. AUDIO_SETINFO failed.");
return ma_result_from_errno(errno);
}
if (ioctl(fd, AUDIO_GETINFO, &fdInfo) < 0) {
close(fd);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[audio4] AUDIO_GETINFO failed.");
return ma_result_from_errno(errno);
}
if (deviceType == ma_device_type_capture) {
internalFormat = ma_format_from_prinfo__audio4(&fdInfo.record);
internalChannels = fdInfo.record.channels;
internalSampleRate = fdInfo.record.sample_rate;
} else {
internalFormat = ma_format_from_prinfo__audio4(&fdInfo.play);
internalChannels = fdInfo.play.channels;
internalSampleRate = fdInfo.play.sample_rate;
}
if (internalFormat == ma_format_unknown) {
close(fd);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[audio4] The device's internal device format is not supported by miniaudio. The device is unusable.");
return MA_FORMAT_NOT_SUPPORTED;
}
{
ma_uint32 internalPeriodSizeInBytes;
internalPeriodSizeInFrames = ma_calculate_buffer_size_in_frames_from_descriptor(pDescriptor, internalSampleRate, pConfig->performanceProfile);
internalPeriodSizeInBytes = internalPeriodSizeInFrames * ma_get_bytes_per_frame(internalFormat, internalChannels);
if (internalPeriodSizeInBytes < 16) {
internalPeriodSizeInBytes = 16;
}
internalPeriods = pDescriptor->periodCount;
if (internalPeriods < 2) {
internalPeriods = 2;
}
AUDIO_INITINFO(&fdInfo);
fdInfo.hiwat = internalPeriods;
fdInfo.lowat = internalPeriods-1;
fdInfo.blocksize = internalPeriodSizeInBytes;
if (ioctl(fd, AUDIO_SETINFO, &fdInfo) < 0) {
close(fd);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[audio4] Failed to set internal buffer size. AUDIO_SETINFO failed.");
return ma_result_from_errno(errno);
}
internalPeriods = fdInfo.hiwat;
internalPeriodSizeInFrames = fdInfo.blocksize / ma_get_bytes_per_frame(internalFormat, internalChannels);
}
}
#else
{
struct audio_swpar fdPar;
if (ioctl(fd, AUDIO_GETPAR, &fdPar) < 0) {
close(fd);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[audio4] Failed to retrieve initial device parameters.");
return ma_result_from_errno(errno);
}
internalFormat = ma_format_from_swpar__audio4(&fdPar);
internalChannels = (deviceType == ma_device_type_capture) ? fdPar.rchan : fdPar.pchan;
internalSampleRate = fdPar.rate;
if (internalFormat == ma_format_unknown) {
close(fd);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[audio4] The device's internal device format is not supported by miniaudio. The device is unusable.");
return MA_FORMAT_NOT_SUPPORTED;
}
{
ma_uint32 internalPeriodSizeInBytes;
internalPeriodSizeInFrames = ma_calculate_buffer_size_in_frames_from_descriptor(pDescriptor, internalSampleRate, pConfig->performanceProfile);
internalPeriodSizeInBytes = internalPeriodSizeInFrames * ma_get_bytes_per_frame(internalFormat, internalChannels);
if (internalPeriodSizeInBytes < 16) {
internalPeriodSizeInBytes = 16;
}
fdPar.nblks = pDescriptor->periodCount;
fdPar.round = internalPeriodSizeInBytes;
if (ioctl(fd, AUDIO_SETPAR, &fdPar) < 0) {
close(fd);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[audio4] Failed to set device parameters.");
return ma_result_from_errno(errno);
}
if (ioctl(fd, AUDIO_GETPAR, &fdPar) < 0) {
close(fd);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[audio4] Failed to retrieve actual device parameters.");
return ma_result_from_errno(errno);
}
}
internalFormat = ma_format_from_swpar__audio4(&fdPar);
internalChannels = (deviceType == ma_device_type_capture) ? fdPar.rchan : fdPar.pchan;
internalSampleRate = fdPar.rate;
internalPeriods = fdPar.nblks;
internalPeriodSizeInFrames = fdPar.round / ma_get_bytes_per_frame(internalFormat, internalChannels);
}
#endif
if (internalFormat == ma_format_unknown) {
close(fd);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[audio4] The device's internal device format is not supported by miniaudio. The device is unusable.");
return MA_FORMAT_NOT_SUPPORTED;
}
if (deviceType == ma_device_type_capture) {
pDevice->audio4.fdCapture = fd;
} else {
pDevice->audio4.fdPlayback = fd;
}
pDescriptor->format = internalFormat;
pDescriptor->channels = internalChannels;
pDescriptor->sampleRate = internalSampleRate;
ma_channel_map_init_standard(ma_standard_channel_map_sound4, pDescriptor->channelMap, ma_countof(pDescriptor->channelMap), internalChannels);
pDescriptor->periodSizeInFrames = internalPeriodSizeInFrames;
pDescriptor->periodCount = internalPeriods;
return MA_SUCCESS;
}
static ma_result ma_device_init__audio4(ma_device* pDevice, const ma_device_config* pConfig, ma_device_descriptor* pDescriptorPlayback, ma_device_descriptor* pDescriptorCapture)
{
MA_ASSERT(pDevice != NULL);
MA_ZERO_OBJECT(&pDevice->audio4);
if (pConfig->deviceType == ma_device_type_loopback) {
return MA_DEVICE_TYPE_NOT_SUPPORTED;
}
pDevice->audio4.fdCapture = -1;
pDevice->audio4.fdPlayback = -1;
#if defined(__NetBSD_Version__) && __NetBSD_Version__ >= 800000000
if (((pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex) && pDescriptorPlayback->shareMode == ma_share_mode_exclusive) ||
((pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex) && pDescriptorCapture->shareMode == ma_share_mode_exclusive)) {
return MA_SHARE_MODE_NOT_SUPPORTED;
}
#else
#endif
if (pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex) {
ma_result result = ma_device_init_fd__audio4(pDevice, pConfig, pDescriptorCapture, ma_device_type_capture);
if (result != MA_SUCCESS) {
return result;
}
}
if (pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex) {
ma_result result = ma_device_init_fd__audio4(pDevice, pConfig, pDescriptorPlayback, ma_device_type_playback);
if (result != MA_SUCCESS) {
if (pConfig->deviceType == ma_device_type_duplex) {
close(pDevice->audio4.fdCapture);
}
return result;
}
}
return MA_SUCCESS;
}
static ma_result ma_device_start__audio4(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
if (pDevice->audio4.fdCapture == -1) {
return MA_INVALID_ARGS;
}
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
if (pDevice->audio4.fdPlayback == -1) {
return MA_INVALID_ARGS;
}
}
return MA_SUCCESS;
}
static ma_result ma_device_stop_fd__audio4(ma_device* pDevice, int fd)
{
if (fd == -1) {
return MA_INVALID_ARGS;
}
#if !defined(MA_AUDIO4_USE_NEW_API)
if (ioctl(fd, AUDIO_FLUSH, 0) < 0) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[audio4] Failed to stop device. AUDIO_FLUSH failed.");
return ma_result_from_errno(errno);
}
#else
if (ioctl(fd, AUDIO_STOP, 0) < 0) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[audio4] Failed to stop device. AUDIO_STOP failed.");
return ma_result_from_errno(errno);
}
#endif
return MA_SUCCESS;
}
static ma_result ma_device_stop__audio4(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
ma_result result;
result = ma_device_stop_fd__audio4(pDevice, pDevice->audio4.fdCapture);
if (result != MA_SUCCESS) {
return result;
}
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
ma_result result;
#if !defined(MA_AUDIO4_USE_NEW_API)
ioctl(pDevice->audio4.fdPlayback, AUDIO_DRAIN, 0);
#endif
result = ma_device_stop_fd__audio4(pDevice, pDevice->audio4.fdPlayback);
if (result != MA_SUCCESS) {
return result;
}
}
return MA_SUCCESS;
}
static ma_result ma_device_write__audio4(ma_device* pDevice, const void* pPCMFrames, ma_uint32 frameCount, ma_uint32* pFramesWritten)
{
int result;
if (pFramesWritten != NULL) {
*pFramesWritten = 0;
}
result = write(pDevice->audio4.fdPlayback, pPCMFrames, frameCount * ma_get_bytes_per_frame(pDevice->playback.internalFormat, pDevice->playback.internalChannels));
if (result < 0) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[audio4] Failed to write data to the device.");
return ma_result_from_errno(errno);
}
if (pFramesWritten != NULL) {
*pFramesWritten = (ma_uint32)result / ma_get_bytes_per_frame(pDevice->playback.internalFormat, pDevice->playback.internalChannels);
}
return MA_SUCCESS;
}
static ma_result ma_device_read__audio4(ma_device* pDevice, void* pPCMFrames, ma_uint32 frameCount, ma_uint32* pFramesRead)
{
int result;
if (pFramesRead != NULL) {
*pFramesRead = 0;
}
result = read(pDevice->audio4.fdCapture, pPCMFrames, frameCount * ma_get_bytes_per_frame(pDevice->capture.internalFormat, pDevice->capture.internalChannels));
if (result < 0) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[audio4] Failed to read data from the device.");
return ma_result_from_errno(errno);
}
if (pFramesRead != NULL) {
*pFramesRead = (ma_uint32)result / ma_get_bytes_per_frame(pDevice->capture.internalFormat, pDevice->capture.internalChannels);
}
return MA_SUCCESS;
}
static ma_result ma_context_uninit__audio4(ma_context* pContext)
{
MA_ASSERT(pContext != NULL);
MA_ASSERT(pContext->backend == ma_backend_audio4);
(void)pContext;
return MA_SUCCESS;
}
static ma_result ma_context_init__audio4(ma_context* pContext, const ma_context_config* pConfig, ma_backend_callbacks* pCallbacks)
{
MA_ASSERT(pContext != NULL);
(void)pConfig;
pCallbacks->onContextInit = ma_context_init__audio4;
pCallbacks->onContextUninit = ma_context_uninit__audio4;
pCallbacks->onContextEnumerateDevices = ma_context_enumerate_devices__audio4;
pCallbacks->onContextGetDeviceInfo = ma_context_get_device_info__audio4;
pCallbacks->onDeviceInit = ma_device_init__audio4;
pCallbacks->onDeviceUninit = ma_device_uninit__audio4;
pCallbacks->onDeviceStart = ma_device_start__audio4;
pCallbacks->onDeviceStop = ma_device_stop__audio4;
pCallbacks->onDeviceRead = ma_device_read__audio4;
pCallbacks->onDeviceWrite = ma_device_write__audio4;
pCallbacks->onDeviceDataLoop = NULL;
return MA_SUCCESS;
}
#endif
#ifdef MA_HAS_OSS
#include <sys/ioctl.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/soundcard.h>
#ifndef SNDCTL_DSP_HALT
#define SNDCTL_DSP_HALT SNDCTL_DSP_RESET
#endif
#define MA_OSS_DEFAULT_DEVICE_NAME "/dev/dsp"
static int ma_open_temp_device__oss(void)
{
int fd = open("/dev/mixer", O_RDONLY, 0);
if (fd >= 0) {
return fd;
}
return -1;
}
static ma_result ma_context_open_device__oss(ma_context* pContext, ma_device_type deviceType, const ma_device_id* pDeviceID, ma_share_mode shareMode, int* pfd)
{
const char* deviceName;
int flags;
MA_ASSERT(pContext != NULL);
MA_ASSERT(pfd != NULL);
(void)pContext;
*pfd = -1;
if (deviceType == ma_device_type_duplex) {
return MA_INVALID_ARGS;
}
deviceName = MA_OSS_DEFAULT_DEVICE_NAME;
if (pDeviceID != NULL) {
deviceName = pDeviceID->oss;
}
flags = (deviceType == ma_device_type_playback) ? O_WRONLY : O_RDONLY;
if (shareMode == ma_share_mode_exclusive) {
flags |= O_EXCL;
}
*pfd = open(deviceName, flags, 0);
if (*pfd == -1) {
return ma_result_from_errno(errno);
}
return MA_SUCCESS;
}
static ma_result ma_context_enumerate_devices__oss(ma_context* pContext, ma_enum_devices_callback_proc callback, void* pUserData)
{
int fd;
oss_sysinfo si;
int result;
MA_ASSERT(pContext != NULL);
MA_ASSERT(callback != NULL);
fd = ma_open_temp_device__oss();
if (fd == -1) {
ma_log_post(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[OSS] Failed to open a temporary device for retrieving system information used for device enumeration.");
return MA_NO_BACKEND;
}
result = ioctl(fd, SNDCTL_SYSINFO, &si);
if (result != -1) {
int iAudioDevice;
for (iAudioDevice = 0; iAudioDevice < si.numaudios; ++iAudioDevice) {
oss_audioinfo ai;
ai.dev = iAudioDevice;
result = ioctl(fd, SNDCTL_AUDIOINFO, &ai);
if (result != -1) {
if (ai.devnode[0] != '\0') {
ma_device_info deviceInfo;
ma_bool32 isTerminating = MA_FALSE;
MA_ZERO_OBJECT(&deviceInfo);
ma_strncpy_s(deviceInfo.id.oss, sizeof(deviceInfo.id.oss), ai.devnode, (size_t)-1);
if (ai.handle[0] != '\0') {
ma_strncpy_s(deviceInfo.name, sizeof(deviceInfo.name), ai.handle, (size_t)-1);
} else {
ma_strncpy_s(deviceInfo.name, sizeof(deviceInfo.name), ai.name, (size_t)-1);
}
if (!isTerminating && (ai.caps & PCM_CAP_OUTPUT) != 0) {
isTerminating = !callback(pContext, ma_device_type_playback, &deviceInfo, pUserData);
}
if (!isTerminating && (ai.caps & PCM_CAP_INPUT) != 0) {
isTerminating = !callback(pContext, ma_device_type_capture, &deviceInfo, pUserData);
}
if (isTerminating) {
break;
}
}
}
}
} else {
close(fd);
ma_log_post(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[OSS] Failed to retrieve system information for device enumeration.");
return MA_NO_BACKEND;
}
close(fd);
return MA_SUCCESS;
}
static void ma_context_add_native_data_format__oss(ma_context* pContext, oss_audioinfo* pAudioInfo, ma_format format, ma_device_info* pDeviceInfo)
{
unsigned int minChannels;
unsigned int maxChannels;
unsigned int iRate;
MA_ASSERT(pContext != NULL);
MA_ASSERT(pAudioInfo != NULL);
MA_ASSERT(pDeviceInfo != NULL);
minChannels = ma_clamp(pAudioInfo->min_channels, MA_MIN_CHANNELS, MA_MAX_CHANNELS);
maxChannels = ma_clamp(pAudioInfo->max_channels, MA_MIN_CHANNELS, MA_MAX_CHANNELS);
if (pAudioInfo->nrates > 0) {
for (iRate = 0; iRate < pAudioInfo->nrates; iRate += 1) {
unsigned int rate = pAudioInfo->rates[iRate];
if (minChannels == MA_MIN_CHANNELS && maxChannels == MA_MAX_CHANNELS) {
ma_device_info_add_native_data_format(pDeviceInfo, format, 0, rate, 0);
} else {
unsigned int iChannel;
for (iChannel = minChannels; iChannel <= maxChannels; iChannel += 1) {
ma_device_info_add_native_data_format(pDeviceInfo, format, iChannel, rate, 0);
}
}
}
} else {
for (iRate = 0; iRate < ma_countof(g_maStandardSampleRatePriorities); iRate += 1) {
ma_uint32 standardRate = g_maStandardSampleRatePriorities[iRate];
if (standardRate >= (ma_uint32)pAudioInfo->min_rate && standardRate <= (ma_uint32)pAudioInfo->max_rate) {
if (minChannels == MA_MIN_CHANNELS && maxChannels == MA_MAX_CHANNELS) {
ma_device_info_add_native_data_format(pDeviceInfo, format, 0, standardRate, 0);
} else {
unsigned int iChannel;
for (iChannel = minChannels; iChannel <= maxChannels; iChannel += 1) {
ma_device_info_add_native_data_format(pDeviceInfo, format, iChannel, standardRate, 0);
}
}
}
}
}
}
static ma_result ma_context_get_device_info__oss(ma_context* pContext, ma_device_type deviceType, const ma_device_id* pDeviceID, ma_device_info* pDeviceInfo)
{
ma_bool32 foundDevice;
int fdTemp;
oss_sysinfo si;
int result;
MA_ASSERT(pContext != NULL);
if (pDeviceID == NULL) {
if (deviceType == ma_device_type_playback) {
ma_strncpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), MA_DEFAULT_PLAYBACK_DEVICE_NAME, (size_t)-1);
} else {
ma_strncpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), MA_DEFAULT_CAPTURE_DEVICE_NAME, (size_t)-1);
}
return MA_SUCCESS;
}
foundDevice = MA_FALSE;
fdTemp = ma_open_temp_device__oss();
if (fdTemp == -1) {
ma_log_post(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[OSS] Failed to open a temporary device for retrieving system information used for device enumeration.");
return MA_NO_BACKEND;
}
result = ioctl(fdTemp, SNDCTL_SYSINFO, &si);
if (result != -1) {
int iAudioDevice;
for (iAudioDevice = 0; iAudioDevice < si.numaudios; ++iAudioDevice) {
oss_audioinfo ai;
ai.dev = iAudioDevice;
result = ioctl(fdTemp, SNDCTL_AUDIOINFO, &ai);
if (result != -1) {
if (ma_strcmp(ai.devnode, pDeviceID->oss) == 0) {
if ((deviceType == ma_device_type_playback && ((ai.caps & PCM_CAP_OUTPUT) != 0)) ||
(deviceType == ma_device_type_capture && ((ai.caps & PCM_CAP_INPUT) != 0))) {
unsigned int formatMask;
ma_strncpy_s(pDeviceInfo->id.oss, sizeof(pDeviceInfo->id.oss), ai.devnode, (size_t)-1);
if (ai.handle[0] != '\0') {
ma_strncpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), ai.handle, (size_t)-1);
} else {
ma_strncpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), ai.name, (size_t)-1);
}
pDeviceInfo->nativeDataFormatCount = 0;
if (deviceType == ma_device_type_playback) {
formatMask = ai.oformats;
} else {
formatMask = ai.iformats;
}
if (((formatMask & AFMT_S16_LE) != 0 && ma_is_little_endian()) || (AFMT_S16_BE && ma_is_big_endian())) {
ma_context_add_native_data_format__oss(pContext, &ai, ma_format_s16, pDeviceInfo);
}
if (((formatMask & AFMT_S32_LE) != 0 && ma_is_little_endian()) || (AFMT_S32_BE && ma_is_big_endian())) {
ma_context_add_native_data_format__oss(pContext, &ai, ma_format_s32, pDeviceInfo);
}
if ((formatMask & AFMT_U8) != 0) {
ma_context_add_native_data_format__oss(pContext, &ai, ma_format_u8, pDeviceInfo);
}
foundDevice = MA_TRUE;
break;
}
}
}
}
} else {
close(fdTemp);
ma_log_post(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[OSS] Failed to retrieve system information for device enumeration.");
return MA_NO_BACKEND;
}
close(fdTemp);
if (!foundDevice) {
return MA_NO_DEVICE;
}
return MA_SUCCESS;
}
static ma_result ma_device_uninit__oss(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
close(pDevice->oss.fdCapture);
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
close(pDevice->oss.fdPlayback);
}
return MA_SUCCESS;
}
static int ma_format_to_oss(ma_format format)
{
int ossFormat = AFMT_U8;
switch (format) {
case ma_format_s16: ossFormat = (ma_is_little_endian()) ? AFMT_S16_LE : AFMT_S16_BE; break;
case ma_format_s24: ossFormat = (ma_is_little_endian()) ? AFMT_S32_LE : AFMT_S32_BE; break;
case ma_format_s32: ossFormat = (ma_is_little_endian()) ? AFMT_S32_LE : AFMT_S32_BE; break;
case ma_format_f32: ossFormat = (ma_is_little_endian()) ? AFMT_S16_LE : AFMT_S16_BE; break;
case ma_format_u8:
default: ossFormat = AFMT_U8; break;
}
return ossFormat;
}
static ma_format ma_format_from_oss(int ossFormat)
{
if (ossFormat == AFMT_U8) {
return ma_format_u8;
} else {
if (ma_is_little_endian()) {
switch (ossFormat) {
case AFMT_S16_LE: return ma_format_s16;
case AFMT_S32_LE: return ma_format_s32;
default: return ma_format_unknown;
}
} else {
switch (ossFormat) {
case AFMT_S16_BE: return ma_format_s16;
case AFMT_S32_BE: return ma_format_s32;
default: return ma_format_unknown;
}
}
}
return ma_format_unknown;
}
static ma_result ma_device_init_fd__oss(ma_device* pDevice, const ma_device_config* pConfig, ma_device_descriptor* pDescriptor, ma_device_type deviceType)
{
ma_result result;
int ossResult;
int fd;
const ma_device_id* pDeviceID = NULL;
ma_share_mode shareMode;
int ossFormat;
int ossChannels;
int ossSampleRate;
int ossFragment;
MA_ASSERT(pDevice != NULL);
MA_ASSERT(pConfig != NULL);
MA_ASSERT(deviceType != ma_device_type_duplex);
pDeviceID = pDescriptor->pDeviceID;
shareMode = pDescriptor->shareMode;
ossFormat = ma_format_to_oss((pDescriptor->format != ma_format_unknown) ? pDescriptor->format : ma_format_s16);
ossChannels = (int)(pDescriptor->channels > 0) ? pDescriptor->channels : MA_DEFAULT_CHANNELS;
ossSampleRate = (int)(pDescriptor->sampleRate > 0) ? pDescriptor->sampleRate : MA_DEFAULT_SAMPLE_RATE;
result = ma_context_open_device__oss(pDevice->pContext, deviceType, pDeviceID, shareMode, &fd);
if (result != MA_SUCCESS) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[OSS] Failed to open device.");
return result;
}
ossResult = ioctl(fd, SNDCTL_DSP_SETFMT, &ossFormat);
if (ossResult == -1) {
close(fd);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[OSS] Failed to set format.");
return ma_result_from_errno(errno);
}
ossResult = ioctl(fd, SNDCTL_DSP_CHANNELS, &ossChannels);
if (ossResult == -1) {
close(fd);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[OSS] Failed to set channel count.");
return ma_result_from_errno(errno);
}
ossResult = ioctl(fd, SNDCTL_DSP_SPEED, &ossSampleRate);
if (ossResult == -1) {
close(fd);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[OSS] Failed to set sample rate.");
return ma_result_from_errno(errno);
}
{
ma_uint32 periodSizeInFrames;
ma_uint32 periodSizeInBytes;
ma_uint32 ossFragmentSizePower;
periodSizeInFrames = ma_calculate_buffer_size_in_frames_from_descriptor(pDescriptor, (ma_uint32)ossSampleRate, pConfig->performanceProfile);
periodSizeInBytes = ma_round_to_power_of_2(periodSizeInFrames * ma_get_bytes_per_frame(ma_format_from_oss(ossFormat), ossChannels));
if (periodSizeInBytes < 16) {
periodSizeInBytes = 16;
}
ossFragmentSizePower = 4;
periodSizeInBytes >>= 4;
while (periodSizeInBytes >>= 1) {
ossFragmentSizePower += 1;
}
ossFragment = (int)((pConfig->periods << 16) | ossFragmentSizePower);
ossResult = ioctl(fd, SNDCTL_DSP_SETFRAGMENT, &ossFragment);
if (ossResult == -1) {
close(fd);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[OSS] Failed to set fragment size and period count.");
return ma_result_from_errno(errno);
}
}
if (deviceType == ma_device_type_capture) {
pDevice->oss.fdCapture = fd;
} else {
pDevice->oss.fdPlayback = fd;
}
pDescriptor->format = ma_format_from_oss(ossFormat);
pDescriptor->channels = ossChannels;
pDescriptor->sampleRate = ossSampleRate;
ma_channel_map_init_standard(ma_standard_channel_map_sound4, pDescriptor->channelMap, ma_countof(pDescriptor->channelMap), pDescriptor->channels);
pDescriptor->periodCount = (ma_uint32)(ossFragment >> 16);
pDescriptor->periodSizeInFrames = (ma_uint32)(1 << (ossFragment & 0xFFFF)) / ma_get_bytes_per_frame(pDescriptor->format, pDescriptor->channels);
if (pDescriptor->format == ma_format_unknown) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[OSS] The device's internal format is not supported by miniaudio.");
return MA_FORMAT_NOT_SUPPORTED;
}
return MA_SUCCESS;
}
static ma_result ma_device_init__oss(ma_device* pDevice, const ma_device_config* pConfig, ma_device_descriptor* pDescriptorPlayback, ma_device_descriptor* pDescriptorCapture)
{
MA_ASSERT(pDevice != NULL);
MA_ASSERT(pConfig != NULL);
MA_ZERO_OBJECT(&pDevice->oss);
if (pConfig->deviceType == ma_device_type_loopback) {
return MA_DEVICE_TYPE_NOT_SUPPORTED;
}
if (pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex) {
ma_result result = ma_device_init_fd__oss(pDevice, pConfig, pDescriptorCapture, ma_device_type_capture);
if (result != MA_SUCCESS) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[OSS] Failed to open device.");
return result;
}
}
if (pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex) {
ma_result result = ma_device_init_fd__oss(pDevice, pConfig, pDescriptorPlayback, ma_device_type_playback);
if (result != MA_SUCCESS) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[OSS] Failed to open device.");
return result;
}
}
return MA_SUCCESS;
}
static ma_result ma_device_start__oss(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
(void)pDevice;
return MA_SUCCESS;
}
static ma_result ma_device_stop__oss(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
(void)pDevice;
return MA_SUCCESS;
}
static ma_result ma_device_write__oss(ma_device* pDevice, const void* pPCMFrames, ma_uint32 frameCount, ma_uint32* pFramesWritten)
{
int resultOSS;
ma_uint32 deviceState;
if (pFramesWritten != NULL) {
*pFramesWritten = 0;
}
deviceState = ma_device_get_state(pDevice);
if (deviceState != ma_device_state_started && deviceState != ma_device_state_starting) {
return MA_SUCCESS;
}
resultOSS = write(pDevice->oss.fdPlayback, pPCMFrames, frameCount * ma_get_bytes_per_frame(pDevice->playback.internalFormat, pDevice->playback.internalChannels));
if (resultOSS < 0) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[OSS] Failed to send data from the client to the device.");
return ma_result_from_errno(errno);
}
if (pFramesWritten != NULL) {
*pFramesWritten = (ma_uint32)resultOSS / ma_get_bytes_per_frame(pDevice->playback.internalFormat, pDevice->playback.internalChannels);
}
return MA_SUCCESS;
}
static ma_result ma_device_read__oss(ma_device* pDevice, void* pPCMFrames, ma_uint32 frameCount, ma_uint32* pFramesRead)
{
int resultOSS;
ma_uint32 deviceState;
if (pFramesRead != NULL) {
*pFramesRead = 0;
}
deviceState = ma_device_get_state(pDevice);
if (deviceState != ma_device_state_started && deviceState != ma_device_state_starting) {
return MA_SUCCESS;
}
resultOSS = read(pDevice->oss.fdCapture, pPCMFrames, frameCount * ma_get_bytes_per_frame(pDevice->capture.internalFormat, pDevice->capture.internalChannels));
if (resultOSS < 0) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[OSS] Failed to read data from the device to be sent to the client.");
return ma_result_from_errno(errno);
}
if (pFramesRead != NULL) {
*pFramesRead = (ma_uint32)resultOSS / ma_get_bytes_per_frame(pDevice->capture.internalFormat, pDevice->capture.internalChannels);
}
return MA_SUCCESS;
}
static ma_result ma_context_uninit__oss(ma_context* pContext)
{
MA_ASSERT(pContext != NULL);
MA_ASSERT(pContext->backend == ma_backend_oss);
(void)pContext;
return MA_SUCCESS;
}
static ma_result ma_context_init__oss(ma_context* pContext, const ma_context_config* pConfig, ma_backend_callbacks* pCallbacks)
{
int fd;
int ossVersion;
int result;
MA_ASSERT(pContext != NULL);
(void)pConfig;
fd = ma_open_temp_device__oss();
if (fd == -1) {
ma_log_post(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[OSS] Failed to open temporary device for retrieving system properties.");
return MA_NO_BACKEND;
}
ossVersion = 0;
result = ioctl(fd, OSS_GETVERSION, &ossVersion);
if (result == -1) {
close(fd);
ma_log_post(ma_context_get_log(pContext), MA_LOG_LEVEL_ERROR, "[OSS] Failed to retrieve OSS version.");
return MA_NO_BACKEND;
}
close(fd);
pContext->oss.versionMajor = ((ossVersion & 0xFF0000) >> 16);
pContext->oss.versionMinor = ((ossVersion & 0x00FF00) >> 8);
pCallbacks->onContextInit = ma_context_init__oss;
pCallbacks->onContextUninit = ma_context_uninit__oss;
pCallbacks->onContextEnumerateDevices = ma_context_enumerate_devices__oss;
pCallbacks->onContextGetDeviceInfo = ma_context_get_device_info__oss;
pCallbacks->onDeviceInit = ma_device_init__oss;
pCallbacks->onDeviceUninit = ma_device_uninit__oss;
pCallbacks->onDeviceStart = ma_device_start__oss;
pCallbacks->onDeviceStop = ma_device_stop__oss;
pCallbacks->onDeviceRead = ma_device_read__oss;
pCallbacks->onDeviceWrite = ma_device_write__oss;
pCallbacks->onDeviceDataLoop = NULL;
return MA_SUCCESS;
}
#endif
#ifdef MA_HAS_AAUDIO
#ifdef MA_NO_RUNTIME_LINKING
#include <AAudio/AAudio.h>
#endif
typedef int32_t ma_aaudio_result_t;
typedef int32_t ma_aaudio_direction_t;
typedef int32_t ma_aaudio_sharing_mode_t;
typedef int32_t ma_aaudio_format_t;
typedef int32_t ma_aaudio_stream_state_t;
typedef int32_t ma_aaudio_performance_mode_t;
typedef int32_t ma_aaudio_usage_t;
typedef int32_t ma_aaudio_content_type_t;
typedef int32_t ma_aaudio_input_preset_t;
typedef int32_t ma_aaudio_allowed_capture_policy_t;
typedef int32_t ma_aaudio_data_callback_result_t;
typedef struct ma_AAudioStreamBuilder_t* ma_AAudioStreamBuilder;
typedef struct ma_AAudioStream_t* ma_AAudioStream;
#define MA_AAUDIO_UNSPECIFIED 0
#define MA_AAUDIO_OK 0
#define MA_AAUDIO_DIRECTION_OUTPUT 0
#define MA_AAUDIO_DIRECTION_INPUT 1
#define MA_AAUDIO_SHARING_MODE_EXCLUSIVE 0
#define MA_AAUDIO_SHARING_MODE_SHARED 1
#define MA_AAUDIO_FORMAT_PCM_I16 1
#define MA_AAUDIO_FORMAT_PCM_FLOAT 2
#define MA_AAUDIO_STREAM_STATE_UNINITIALIZED 0
#define MA_AAUDIO_STREAM_STATE_UNKNOWN 1
#define MA_AAUDIO_STREAM_STATE_OPEN 2
#define MA_AAUDIO_STREAM_STATE_STARTING 3
#define MA_AAUDIO_STREAM_STATE_STARTED 4
#define MA_AAUDIO_STREAM_STATE_PAUSING 5
#define MA_AAUDIO_STREAM_STATE_PAUSED 6
#define MA_AAUDIO_STREAM_STATE_FLUSHING 7
#define MA_AAUDIO_STREAM_STATE_FLUSHED 8
#define MA_AAUDIO_STREAM_STATE_STOPPING 9
#define MA_AAUDIO_STREAM_STATE_STOPPED 10
#define MA_AAUDIO_STREAM_STATE_CLOSING 11
#define MA_AAUDIO_STREAM_STATE_CLOSED 12
#define MA_AAUDIO_STREAM_STATE_DISCONNECTED 13
#define MA_AAUDIO_PERFORMANCE_MODE_NONE 10
#define MA_AAUDIO_PERFORMANCE_MODE_POWER_SAVING 11
#define MA_AAUDIO_PERFORMANCE_MODE_LOW_LATENCY 12
#define MA_AAUDIO_USAGE_MEDIA 1
#define MA_AAUDIO_USAGE_VOICE_COMMUNICATION 2
#define MA_AAUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING 3
#define MA_AAUDIO_USAGE_ALARM 4
#define MA_AAUDIO_USAGE_NOTIFICATION 5
#define MA_AAUDIO_USAGE_NOTIFICATION_RINGTONE 6
#define MA_AAUDIO_USAGE_NOTIFICATION_EVENT 10
#define MA_AAUDIO_USAGE_ASSISTANCE_ACCESSIBILITY 11
#define MA_AAUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE 12
#define MA_AAUDIO_USAGE_ASSISTANCE_SONIFICATION 13
#define MA_AAUDIO_USAGE_GAME 14
#define MA_AAUDIO_USAGE_ASSISTANT 16
#define MA_AAUDIO_SYSTEM_USAGE_EMERGENCY 1000
#define MA_AAUDIO_SYSTEM_USAGE_SAFETY 1001
#define MA_AAUDIO_SYSTEM_USAGE_VEHICLE_STATUS 1002
#define MA_AAUDIO_SYSTEM_USAGE_ANNOUNCEMENT 1003
#define MA_AAUDIO_CONTENT_TYPE_SPEECH 1
#define MA_AAUDIO_CONTENT_TYPE_MUSIC 2
#define MA_AAUDIO_CONTENT_TYPE_MOVIE 3
#define MA_AAUDIO_CONTENT_TYPE_SONIFICATION 4
#define MA_AAUDIO_INPUT_PRESET_GENERIC 1
#define MA_AAUDIO_INPUT_PRESET_CAMCORDER 5
#define MA_AAUDIO_INPUT_PRESET_VOICE_RECOGNITION 6
#define MA_AAUDIO_INPUT_PRESET_VOICE_COMMUNICATION 7
#define MA_AAUDIO_INPUT_PRESET_UNPROCESSED 9
#define MA_AAUDIO_INPUT_PRESET_VOICE_PERFORMANCE 10
#define MA_AAUDIO_ALLOW_CAPTURE_BY_ALL 1
#define MA_AAUDIO_ALLOW_CAPTURE_BY_SYSTEM 2
#define MA_AAUDIO_ALLOW_CAPTURE_BY_NONE 3
#define MA_AAUDIO_CALLBACK_RESULT_CONTINUE 0
#define MA_AAUDIO_CALLBACK_RESULT_STOP 1
typedef ma_aaudio_data_callback_result_t (* ma_AAudioStream_dataCallback) (ma_AAudioStream* pStream, void* pUserData, void* pAudioData, int32_t numFrames);
typedef void (* ma_AAudioStream_errorCallback)(ma_AAudioStream *pStream, void *pUserData, ma_aaudio_result_t error);
typedef ma_aaudio_result_t (* MA_PFN_AAudio_createStreamBuilder) (ma_AAudioStreamBuilder** ppBuilder);
typedef ma_aaudio_result_t (* MA_PFN_AAudioStreamBuilder_delete) (ma_AAudioStreamBuilder* pBuilder);
typedef void (* MA_PFN_AAudioStreamBuilder_setDeviceId) (ma_AAudioStreamBuilder* pBuilder, int32_t deviceId);
typedef void (* MA_PFN_AAudioStreamBuilder_setDirection) (ma_AAudioStreamBuilder* pBuilder, ma_aaudio_direction_t direction);
typedef void (* MA_PFN_AAudioStreamBuilder_setSharingMode) (ma_AAudioStreamBuilder* pBuilder, ma_aaudio_sharing_mode_t sharingMode);
typedef void (* MA_PFN_AAudioStreamBuilder_setFormat) (ma_AAudioStreamBuilder* pBuilder, ma_aaudio_format_t format);
typedef void (* MA_PFN_AAudioStreamBuilder_setChannelCount) (ma_AAudioStreamBuilder* pBuilder, int32_t channelCount);
typedef void (* MA_PFN_AAudioStreamBuilder_setSampleRate) (ma_AAudioStreamBuilder* pBuilder, int32_t sampleRate);
typedef void (* MA_PFN_AAudioStreamBuilder_setBufferCapacityInFrames)(ma_AAudioStreamBuilder* pBuilder, int32_t numFrames);
typedef void (* MA_PFN_AAudioStreamBuilder_setFramesPerDataCallback) (ma_AAudioStreamBuilder* pBuilder, int32_t numFrames);
typedef void (* MA_PFN_AAudioStreamBuilder_setDataCallback) (ma_AAudioStreamBuilder* pBuilder, ma_AAudioStream_dataCallback callback, void* pUserData);
typedef void (* MA_PFN_AAudioStreamBuilder_setErrorCallback) (ma_AAudioStreamBuilder* pBuilder, ma_AAudioStream_errorCallback callback, void* pUserData);
typedef void (* MA_PFN_AAudioStreamBuilder_setPerformanceMode) (ma_AAudioStreamBuilder* pBuilder, ma_aaudio_performance_mode_t mode);
typedef void (* MA_PFN_AAudioStreamBuilder_setUsage) (ma_AAudioStreamBuilder* pBuilder, ma_aaudio_usage_t contentType);
typedef void (* MA_PFN_AAudioStreamBuilder_setContentType) (ma_AAudioStreamBuilder* pBuilder, ma_aaudio_content_type_t contentType);
typedef void (* MA_PFN_AAudioStreamBuilder_setInputPreset) (ma_AAudioStreamBuilder* pBuilder, ma_aaudio_input_preset_t inputPreset);
typedef void (* MA_PFN_AAudioStreamBuilder_setAllowedCapturePolicy) (ma_AAudioStreamBuilder* pBuilder, ma_aaudio_allowed_capture_policy_t policy);
typedef ma_aaudio_result_t (* MA_PFN_AAudioStreamBuilder_openStream) (ma_AAudioStreamBuilder* pBuilder, ma_AAudioStream** ppStream);
typedef ma_aaudio_result_t (* MA_PFN_AAudioStream_close) (ma_AAudioStream* pStream);
typedef ma_aaudio_stream_state_t (* MA_PFN_AAudioStream_getState) (ma_AAudioStream* pStream);
typedef ma_aaudio_result_t (* MA_PFN_AAudioStream_waitForStateChange) (ma_AAudioStream* pStream, ma_aaudio_stream_state_t inputState, ma_aaudio_stream_state_t* pNextState, int64_t timeoutInNanoseconds);
typedef ma_aaudio_format_t (* MA_PFN_AAudioStream_getFormat) (ma_AAudioStream* pStream);
typedef int32_t (* MA_PFN_AAudioStream_getChannelCount) (ma_AAudioStream* pStream);
typedef int32_t (* MA_PFN_AAudioStream_getSampleRate) (ma_AAudioStream* pStream);
typedef int32_t (* MA_PFN_AAudioStream_getBufferCapacityInFrames) (ma_AAudioStream* pStream);
typedef int32_t (* MA_PFN_AAudioStream_getFramesPerDataCallback) (ma_AAudioStream* pStream);
typedef int32_t (* MA_PFN_AAudioStream_getFramesPerBurst) (ma_AAudioStream* pStream);
typedef ma_aaudio_result_t (* MA_PFN_AAudioStream_requestStart) (ma_AAudioStream* pStream);
typedef ma_aaudio_result_t (* MA_PFN_AAudioStream_requestStop) (ma_AAudioStream* pStream);
static ma_result ma_result_from_aaudio(ma_aaudio_result_t resultAA)
{
switch (resultAA)
{
case MA_AAUDIO_OK: return MA_SUCCESS;
default: break;
}
return MA_ERROR;
}
static ma_aaudio_usage_t ma_to_usage__aaudio(ma_aaudio_usage usage)
{
switch (usage) {
case ma_aaudio_usage_media: return MA_AAUDIO_USAGE_MEDIA;
case ma_aaudio_usage_voice_communication: return MA_AAUDIO_USAGE_VOICE_COMMUNICATION;
case ma_aaudio_usage_voice_communication_signalling: return MA_AAUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING;
case ma_aaudio_usage_alarm: return MA_AAUDIO_USAGE_ALARM;
case ma_aaudio_usage_notification: return MA_AAUDIO_USAGE_NOTIFICATION;
case ma_aaudio_usage_notification_ringtone: return MA_AAUDIO_USAGE_NOTIFICATION_RINGTONE;
case ma_aaudio_usage_notification_event: return MA_AAUDIO_USAGE_NOTIFICATION_EVENT;
case ma_aaudio_usage_assistance_accessibility: return MA_AAUDIO_USAGE_ASSISTANCE_ACCESSIBILITY;
case ma_aaudio_usage_assistance_navigation_guidance: return MA_AAUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE;
case ma_aaudio_usage_assistance_sonification: return MA_AAUDIO_USAGE_ASSISTANCE_SONIFICATION;
case ma_aaudio_usage_game: return MA_AAUDIO_USAGE_GAME;
case ma_aaudio_usage_assitant: return MA_AAUDIO_USAGE_ASSISTANT;
case ma_aaudio_usage_emergency: return MA_AAUDIO_SYSTEM_USAGE_EMERGENCY;
case ma_aaudio_usage_safety: return MA_AAUDIO_SYSTEM_USAGE_SAFETY;
case ma_aaudio_usage_vehicle_status: return MA_AAUDIO_SYSTEM_USAGE_VEHICLE_STATUS;
case ma_aaudio_usage_announcement: return MA_AAUDIO_SYSTEM_USAGE_ANNOUNCEMENT;
default: break;
}
return MA_AAUDIO_USAGE_MEDIA;
}
static ma_aaudio_content_type_t ma_to_content_type__aaudio(ma_aaudio_content_type contentType)
{
switch (contentType) {
case ma_aaudio_content_type_speech: return MA_AAUDIO_CONTENT_TYPE_SPEECH;
case ma_aaudio_content_type_music: return MA_AAUDIO_CONTENT_TYPE_MUSIC;
case ma_aaudio_content_type_movie: return MA_AAUDIO_CONTENT_TYPE_MOVIE;
case ma_aaudio_content_type_sonification: return MA_AAUDIO_CONTENT_TYPE_SONIFICATION;
default: break;
}
return MA_AAUDIO_CONTENT_TYPE_SPEECH;
}
static ma_aaudio_input_preset_t ma_to_input_preset__aaudio(ma_aaudio_input_preset inputPreset)
{
switch (inputPreset) {
case ma_aaudio_input_preset_generic: return MA_AAUDIO_INPUT_PRESET_GENERIC;
case ma_aaudio_input_preset_camcorder: return MA_AAUDIO_INPUT_PRESET_CAMCORDER;
case ma_aaudio_input_preset_voice_recognition: return MA_AAUDIO_INPUT_PRESET_VOICE_RECOGNITION;
case ma_aaudio_input_preset_voice_communication: return MA_AAUDIO_INPUT_PRESET_VOICE_COMMUNICATION;
case ma_aaudio_input_preset_unprocessed: return MA_AAUDIO_INPUT_PRESET_UNPROCESSED;
case ma_aaudio_input_preset_voice_performance: return MA_AAUDIO_INPUT_PRESET_VOICE_PERFORMANCE;
default: break;
}
return MA_AAUDIO_INPUT_PRESET_GENERIC;
}
static ma_aaudio_allowed_capture_policy_t ma_to_allowed_capture_policy__aaudio(ma_aaudio_allowed_capture_policy allowedCapturePolicy)
{
switch (allowedCapturePolicy) {
case ma_aaudio_allow_capture_by_all: return MA_AAUDIO_ALLOW_CAPTURE_BY_ALL;
case ma_aaudio_allow_capture_by_system: return MA_AAUDIO_ALLOW_CAPTURE_BY_SYSTEM;
case ma_aaudio_allow_capture_by_none: return MA_AAUDIO_ALLOW_CAPTURE_BY_NONE;
default: break;
}
return MA_AAUDIO_ALLOW_CAPTURE_BY_ALL;
}
static void ma_stream_error_callback__aaudio(ma_AAudioStream* pStream, void* pUserData, ma_aaudio_result_t error)
{
ma_result result;
ma_job job;
ma_device* pDevice = (ma_device*)pUserData;
MA_ASSERT(pDevice != NULL);
(void)error;
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, "[AAudio] ERROR CALLBACK: error=%d, AAudioStream_getState()=%d\n", error, ((MA_PFN_AAudioStream_getState)pDevice->pContext->aaudio.AAudioStream_getState)(pStream));
if (ma_atomic_bool32_get(&pDevice->aaudio.isTearingDown)) {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, "[AAudio] Device Disconnected. Tearing down device.\n");
}
else {
job = ma_job_init(MA_JOB_TYPE_DEVICE_AAUDIO_REROUTE);
job.data.device.aaudio.reroute.pDevice = pDevice;
if (pStream == pDevice->aaudio.pStreamCapture) {
job.data.device.aaudio.reroute.deviceType = ma_device_type_capture;
} else {
job.data.device.aaudio.reroute.deviceType = ma_device_type_playback;
}
result = ma_device_job_thread_post(&pDevice->pContext->aaudio.jobThread, &job);
if (result != MA_SUCCESS) {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, "[AAudio] Device Disconnected. Failed to post job for rerouting.\n");
return;
}
}
}
static ma_aaudio_data_callback_result_t ma_stream_data_callback_capture__aaudio(ma_AAudioStream* pStream, void* pUserData, void* pAudioData, int32_t frameCount)
{
ma_device* pDevice = (ma_device*)pUserData;
MA_ASSERT(pDevice != NULL);
if (frameCount > 0) {
ma_device_handle_backend_data_callback(pDevice, NULL, pAudioData, (ma_uint32)frameCount);
}
(void)pStream;
return MA_AAUDIO_CALLBACK_RESULT_CONTINUE;
}
static ma_aaudio_data_callback_result_t ma_stream_data_callback_playback__aaudio(ma_AAudioStream* pStream, void* pUserData, void* pAudioData, int32_t frameCount)
{
ma_device* pDevice = (ma_device*)pUserData;
MA_ASSERT(pDevice != NULL);
if (frameCount > 0) {
ma_device_handle_backend_data_callback(pDevice, pAudioData, NULL, (ma_uint32)frameCount);
}
(void)pStream;
return MA_AAUDIO_CALLBACK_RESULT_CONTINUE;
}
static ma_result ma_create_and_configure_AAudioStreamBuilder__aaudio(ma_context* pContext, const ma_device_id* pDeviceID, ma_device_type deviceType, ma_share_mode shareMode, const ma_device_descriptor* pDescriptor, const ma_device_config* pConfig, ma_device* pDevice, ma_AAudioStreamBuilder** ppBuilder)
{
ma_AAudioStreamBuilder* pBuilder;
ma_aaudio_result_t resultAA;
*ppBuilder = NULL;
resultAA = ((MA_PFN_AAudio_createStreamBuilder)pContext->aaudio.AAudio_createStreamBuilder)(&pBuilder);
if (resultAA != MA_AAUDIO_OK) {
return ma_result_from_aaudio(resultAA);
}
if (pDeviceID != NULL) {
((MA_PFN_AAudioStreamBuilder_setDeviceId)pContext->aaudio.AAudioStreamBuilder_setDeviceId)(pBuilder, pDeviceID->aaudio);
}
((MA_PFN_AAudioStreamBuilder_setDirection)pContext->aaudio.AAudioStreamBuilder_setDirection)(pBuilder, (deviceType == ma_device_type_playback) ? MA_AAUDIO_DIRECTION_OUTPUT : MA_AAUDIO_DIRECTION_INPUT);
((MA_PFN_AAudioStreamBuilder_setSharingMode)pContext->aaudio.AAudioStreamBuilder_setSharingMode)(pBuilder, (shareMode == ma_share_mode_shared) ? MA_AAUDIO_SHARING_MODE_SHARED : MA_AAUDIO_SHARING_MODE_EXCLUSIVE);
if (pDescriptor != NULL) {
MA_ASSERT(pConfig != NULL);
if (pDescriptor->sampleRate != 0) {
((MA_PFN_AAudioStreamBuilder_setSampleRate)pContext->aaudio.AAudioStreamBuilder_setSampleRate)(pBuilder, pDescriptor->sampleRate);
}
if (pDescriptor->channels != 0) {
((MA_PFN_AAudioStreamBuilder_setChannelCount)pContext->aaudio.AAudioStreamBuilder_setChannelCount)(pBuilder, pDescriptor->channels);
}
if (pDescriptor->format != ma_format_unknown) {
((MA_PFN_AAudioStreamBuilder_setFormat)pContext->aaudio.AAudioStreamBuilder_setFormat)(pBuilder, (pDescriptor->format == ma_format_s16) ? MA_AAUDIO_FORMAT_PCM_I16 : MA_AAUDIO_FORMAT_PCM_FLOAT);
}
if ((!pConfig->aaudio.enableCompatibilityWorkarounds || ma_android_sdk_version() > 30) && pConfig->aaudio.allowSetBufferCapacity) {
ma_uint32 bufferCapacityInFrames = ma_calculate_buffer_size_in_frames_from_descriptor(pDescriptor, pDescriptor->sampleRate, pConfig->performanceProfile) * pDescriptor->periodCount;
((MA_PFN_AAudioStreamBuilder_setBufferCapacityInFrames)pContext->aaudio.AAudioStreamBuilder_setBufferCapacityInFrames)(pBuilder, bufferCapacityInFrames);
((MA_PFN_AAudioStreamBuilder_setFramesPerDataCallback)pContext->aaudio.AAudioStreamBuilder_setFramesPerDataCallback)(pBuilder, bufferCapacityInFrames / pDescriptor->periodCount);
}
if (deviceType == ma_device_type_capture) {
if (pConfig->aaudio.inputPreset != ma_aaudio_input_preset_default && pContext->aaudio.AAudioStreamBuilder_setInputPreset != NULL) {
((MA_PFN_AAudioStreamBuilder_setInputPreset)pContext->aaudio.AAudioStreamBuilder_setInputPreset)(pBuilder, ma_to_input_preset__aaudio(pConfig->aaudio.inputPreset));
}
((MA_PFN_AAudioStreamBuilder_setDataCallback)pContext->aaudio.AAudioStreamBuilder_setDataCallback)(pBuilder, ma_stream_data_callback_capture__aaudio, (void*)pDevice);
} else {
if (pConfig->aaudio.usage != ma_aaudio_usage_default && pContext->aaudio.AAudioStreamBuilder_setUsage != NULL) {
((MA_PFN_AAudioStreamBuilder_setUsage)pContext->aaudio.AAudioStreamBuilder_setUsage)(pBuilder, ma_to_usage__aaudio(pConfig->aaudio.usage));
}
if (pConfig->aaudio.contentType != ma_aaudio_content_type_default && pContext->aaudio.AAudioStreamBuilder_setContentType != NULL) {
((MA_PFN_AAudioStreamBuilder_setContentType)pContext->aaudio.AAudioStreamBuilder_setContentType)(pBuilder, ma_to_content_type__aaudio(pConfig->aaudio.contentType));
}
if (pConfig->aaudio.allowedCapturePolicy != ma_aaudio_allow_capture_default && pContext->aaudio.AAudioStreamBuilder_setAllowedCapturePolicy != NULL) {
((MA_PFN_AAudioStreamBuilder_setAllowedCapturePolicy)pContext->aaudio.AAudioStreamBuilder_setAllowedCapturePolicy)(pBuilder, ma_to_allowed_capture_policy__aaudio(pConfig->aaudio.allowedCapturePolicy));
}
((MA_PFN_AAudioStreamBuilder_setDataCallback)pContext->aaudio.AAudioStreamBuilder_setDataCallback)(pBuilder, ma_stream_data_callback_playback__aaudio, (void*)pDevice);
}
((MA_PFN_AAudioStreamBuilder_setPerformanceMode)pContext->aaudio.AAudioStreamBuilder_setPerformanceMode)(pBuilder, (pConfig->performanceProfile == ma_performance_profile_low_latency) ? MA_AAUDIO_PERFORMANCE_MODE_LOW_LATENCY : MA_AAUDIO_PERFORMANCE_MODE_NONE);
if (pDevice != NULL) {
((MA_PFN_AAudioStreamBuilder_setErrorCallback)pContext->aaudio.AAudioStreamBuilder_setErrorCallback)(pBuilder, ma_stream_error_callback__aaudio, (void*)pDevice);
}
}
*ppBuilder = pBuilder;
return MA_SUCCESS;
}
static ma_result ma_open_stream_and_close_builder__aaudio(ma_context* pContext, ma_AAudioStreamBuilder* pBuilder, ma_AAudioStream** ppStream)
{
ma_result result;
result = ma_result_from_aaudio(((MA_PFN_AAudioStreamBuilder_openStream)pContext->aaudio.AAudioStreamBuilder_openStream)(pBuilder, ppStream));
((MA_PFN_AAudioStreamBuilder_delete)pContext->aaudio.AAudioStreamBuilder_delete)(pBuilder);
return result;
}
static ma_result ma_open_stream_basic__aaudio(ma_context* pContext, const ma_device_id* pDeviceID, ma_device_type deviceType, ma_share_mode shareMode, ma_AAudioStream** ppStream)
{
ma_result result;
ma_AAudioStreamBuilder* pBuilder;
*ppStream = NULL;
result = ma_create_and_configure_AAudioStreamBuilder__aaudio(pContext, pDeviceID, deviceType, shareMode, NULL, NULL, NULL, &pBuilder);
if (result != MA_SUCCESS) {
return result;
}
((MA_PFN_AAudioStreamBuilder_setPerformanceMode)pContext->aaudio.AAudioStreamBuilder_setPerformanceMode)(pBuilder, MA_AAUDIO_PERFORMANCE_MODE_LOW_LATENCY);
return ma_open_stream_and_close_builder__aaudio(pContext, pBuilder, ppStream);
}
static ma_result ma_open_stream__aaudio(ma_device* pDevice, const ma_device_config* pConfig, ma_device_type deviceType, const ma_device_descriptor* pDescriptor, ma_AAudioStream** ppStream)
{
ma_result result;
ma_AAudioStreamBuilder* pBuilder;
MA_ASSERT(pDevice != NULL);
MA_ASSERT(pDescriptor != NULL);
MA_ASSERT(deviceType != ma_device_type_duplex);
*ppStream = NULL;
result = ma_create_and_configure_AAudioStreamBuilder__aaudio(pDevice->pContext, pDescriptor->pDeviceID, deviceType, pDescriptor->shareMode, pDescriptor, pConfig, pDevice, &pBuilder);
if (result != MA_SUCCESS) {
return result;
}
return ma_open_stream_and_close_builder__aaudio(pDevice->pContext, pBuilder, ppStream);
}
static ma_result ma_close_stream__aaudio(ma_context* pContext, ma_AAudioStream* pStream)
{
if (pStream == NULL) {
return MA_INVALID_ARGS;
}
return ma_result_from_aaudio(((MA_PFN_AAudioStream_close)pContext->aaudio.AAudioStream_close)(pStream));
}
static ma_bool32 ma_has_default_device__aaudio(ma_context* pContext, ma_device_type deviceType)
{
ma_AAudioStream* pStream;
ma_result result = ma_open_stream_basic__aaudio(pContext, NULL, deviceType, ma_share_mode_shared, &pStream);
if (result != MA_SUCCESS) {
return MA_FALSE;
}
ma_close_stream__aaudio(pContext, pStream);
return MA_TRUE;
}
static ma_result ma_wait_for_simple_state_transition__aaudio(ma_context* pContext, ma_AAudioStream* pStream, ma_aaudio_stream_state_t oldState, ma_aaudio_stream_state_t newState)
{
ma_aaudio_stream_state_t actualNewState;
ma_aaudio_result_t resultAA = ((MA_PFN_AAudioStream_waitForStateChange)pContext->aaudio.AAudioStream_waitForStateChange)(pStream, oldState, &actualNewState, 5000000000);
if (resultAA != MA_AAUDIO_OK) {
return ma_result_from_aaudio(resultAA);
}
if (newState != actualNewState) {
return MA_ERROR;
}
return MA_SUCCESS;
}
static ma_result ma_context_enumerate_devices__aaudio(ma_context* pContext, ma_enum_devices_callback_proc callback, void* pUserData)
{
ma_bool32 cbResult = MA_TRUE;
MA_ASSERT(pContext != NULL);
MA_ASSERT(callback != NULL);
if (cbResult) {
ma_device_info deviceInfo;
MA_ZERO_OBJECT(&deviceInfo);
deviceInfo.id.aaudio = MA_AAUDIO_UNSPECIFIED;
ma_strncpy_s(deviceInfo.name, sizeof(deviceInfo.name), MA_DEFAULT_PLAYBACK_DEVICE_NAME, (size_t)-1);
if (ma_has_default_device__aaudio(pContext, ma_device_type_playback)) {
cbResult = callback(pContext, ma_device_type_playback, &deviceInfo, pUserData);
}
}
if (cbResult) {
ma_device_info deviceInfo;
MA_ZERO_OBJECT(&deviceInfo);
deviceInfo.id.aaudio = MA_AAUDIO_UNSPECIFIED;
ma_strncpy_s(deviceInfo.name, sizeof(deviceInfo.name), MA_DEFAULT_CAPTURE_DEVICE_NAME, (size_t)-1);
if (ma_has_default_device__aaudio(pContext, ma_device_type_capture)) {
cbResult = callback(pContext, ma_device_type_capture, &deviceInfo, pUserData);
}
}
return MA_SUCCESS;
}
static void ma_context_add_native_data_format_from_AAudioStream_ex__aaudio(ma_context* pContext, ma_AAudioStream* pStream, ma_format format, ma_uint32 flags, ma_device_info* pDeviceInfo)
{
MA_ASSERT(pContext != NULL);
MA_ASSERT(pStream != NULL);
MA_ASSERT(pDeviceInfo != NULL);
pDeviceInfo->nativeDataFormats[pDeviceInfo->nativeDataFormatCount].format = format;
pDeviceInfo->nativeDataFormats[pDeviceInfo->nativeDataFormatCount].channels = ((MA_PFN_AAudioStream_getChannelCount)pContext->aaudio.AAudioStream_getChannelCount)(pStream);
pDeviceInfo->nativeDataFormats[pDeviceInfo->nativeDataFormatCount].sampleRate = ((MA_PFN_AAudioStream_getSampleRate)pContext->aaudio.AAudioStream_getSampleRate)(pStream);
pDeviceInfo->nativeDataFormats[pDeviceInfo->nativeDataFormatCount].flags = flags;
pDeviceInfo->nativeDataFormatCount += 1;
}
static void ma_context_add_native_data_format_from_AAudioStream__aaudio(ma_context* pContext, ma_AAudioStream* pStream, ma_uint32 flags, ma_device_info* pDeviceInfo)
{
ma_context_add_native_data_format_from_AAudioStream_ex__aaudio(pContext, pStream, ma_format_f32, flags, pDeviceInfo);
ma_context_add_native_data_format_from_AAudioStream_ex__aaudio(pContext, pStream, ma_format_s16, flags, pDeviceInfo);
}
static ma_result ma_context_get_device_info__aaudio(ma_context* pContext, ma_device_type deviceType, const ma_device_id* pDeviceID, ma_device_info* pDeviceInfo)
{
ma_AAudioStream* pStream;
ma_result result;
MA_ASSERT(pContext != NULL);
if (pDeviceID != NULL) {
pDeviceInfo->id.aaudio = pDeviceID->aaudio;
} else {
pDeviceInfo->id.aaudio = MA_AAUDIO_UNSPECIFIED;
}
if (deviceType == ma_device_type_playback) {
ma_strncpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), MA_DEFAULT_PLAYBACK_DEVICE_NAME, (size_t)-1);
} else {
ma_strncpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), MA_DEFAULT_CAPTURE_DEVICE_NAME, (size_t)-1);
}
pDeviceInfo->nativeDataFormatCount = 0;
result = ma_open_stream_basic__aaudio(pContext, pDeviceID, deviceType, ma_share_mode_shared, &pStream);
if (result != MA_SUCCESS) {
return result;
}
ma_context_add_native_data_format_from_AAudioStream__aaudio(pContext, pStream, 0, pDeviceInfo);
ma_close_stream__aaudio(pContext, pStream);
pStream = NULL;
return MA_SUCCESS;
}
static ma_result ma_close_streams__aaudio(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
ma_close_stream__aaudio(pDevice->pContext, (ma_AAudioStream*)pDevice->aaudio.pStreamCapture);
pDevice->aaudio.pStreamCapture = NULL;
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
ma_close_stream__aaudio(pDevice->pContext, (ma_AAudioStream*)pDevice->aaudio.pStreamPlayback);
pDevice->aaudio.pStreamPlayback = NULL;
}
return MA_SUCCESS;
}
static ma_result ma_device_uninit__aaudio(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
ma_atomic_bool32_set(&pDevice->aaudio.isTearingDown, MA_TRUE);
ma_mutex_lock(&pDevice->aaudio.rerouteLock);
{
ma_close_streams__aaudio(pDevice);
}
ma_mutex_unlock(&pDevice->aaudio.rerouteLock);
ma_mutex_uninit(&pDevice->aaudio.rerouteLock);
return MA_SUCCESS;
}
static ma_result ma_device_init_by_type__aaudio(ma_device* pDevice, const ma_device_config* pConfig, ma_device_type deviceType, ma_device_descriptor* pDescriptor, ma_AAudioStream** ppStream)
{
ma_result result;
int32_t bufferCapacityInFrames;
int32_t framesPerDataCallback;
ma_AAudioStream* pStream;
MA_ASSERT(pDevice != NULL);
MA_ASSERT(pConfig != NULL);
MA_ASSERT(pDescriptor != NULL);
*ppStream = NULL;
result = ma_open_stream__aaudio(pDevice, pConfig, deviceType, pDescriptor, &pStream);
if (result != MA_SUCCESS) {
return result;
}
pDescriptor->format = (((MA_PFN_AAudioStream_getFormat)pDevice->pContext->aaudio.AAudioStream_getFormat)(pStream) == MA_AAUDIO_FORMAT_PCM_I16) ? ma_format_s16 : ma_format_f32;
pDescriptor->channels = ((MA_PFN_AAudioStream_getChannelCount)pDevice->pContext->aaudio.AAudioStream_getChannelCount)(pStream);
pDescriptor->sampleRate = ((MA_PFN_AAudioStream_getSampleRate)pDevice->pContext->aaudio.AAudioStream_getSampleRate)(pStream);
if (pDescriptor->channels <= MA_MAX_CHANNELS) {
ma_channel_map_init_standard(ma_standard_channel_map_default, pDescriptor->channelMap, ma_countof(pDescriptor->channelMap), pDescriptor->channels);
} else {
ma_channel_map_init_blank(pDescriptor->channelMap, MA_MAX_CHANNELS);
}
bufferCapacityInFrames = ((MA_PFN_AAudioStream_getBufferCapacityInFrames)pDevice->pContext->aaudio.AAudioStream_getBufferCapacityInFrames)(pStream);
framesPerDataCallback = ((MA_PFN_AAudioStream_getFramesPerDataCallback)pDevice->pContext->aaudio.AAudioStream_getFramesPerDataCallback)(pStream);
if (framesPerDataCallback > 0) {
pDescriptor->periodSizeInFrames = framesPerDataCallback;
pDescriptor->periodCount = bufferCapacityInFrames / framesPerDataCallback;
} else {
pDescriptor->periodSizeInFrames = bufferCapacityInFrames;
pDescriptor->periodCount = 1;
}
*ppStream = pStream;
return MA_SUCCESS;
}
static ma_result ma_device_init_streams__aaudio(ma_device* pDevice, const ma_device_config* pConfig, ma_device_descriptor* pDescriptorPlayback, ma_device_descriptor* pDescriptorCapture)
{
ma_result result;
MA_ASSERT(pDevice != NULL);
if (pConfig->deviceType == ma_device_type_loopback) {
return MA_DEVICE_TYPE_NOT_SUPPORTED;
}
pDevice->aaudio.usage = pConfig->aaudio.usage;
pDevice->aaudio.contentType = pConfig->aaudio.contentType;
pDevice->aaudio.inputPreset = pConfig->aaudio.inputPreset;
pDevice->aaudio.allowedCapturePolicy = pConfig->aaudio.allowedCapturePolicy;
pDevice->aaudio.noAutoStartAfterReroute = pConfig->aaudio.noAutoStartAfterReroute;
if (pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex) {
result = ma_device_init_by_type__aaudio(pDevice, pConfig, ma_device_type_capture, pDescriptorCapture, (ma_AAudioStream**)&pDevice->aaudio.pStreamCapture);
if (result != MA_SUCCESS) {
return result;
}
}
if (pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex) {
result = ma_device_init_by_type__aaudio(pDevice, pConfig, ma_device_type_playback, pDescriptorPlayback, (ma_AAudioStream**)&pDevice->aaudio.pStreamPlayback);
if (result != MA_SUCCESS) {
return result;
}
}
return MA_SUCCESS;
}
static ma_result ma_device_init__aaudio(ma_device* pDevice, const ma_device_config* pConfig, ma_device_descriptor* pDescriptorPlayback, ma_device_descriptor* pDescriptorCapture)
{
ma_result result;
MA_ASSERT(pDevice != NULL);
result = ma_device_init_streams__aaudio(pDevice, pConfig, pDescriptorPlayback, pDescriptorCapture);
if (result != MA_SUCCESS) {
return result;
}
result = ma_mutex_init(&pDevice->aaudio.rerouteLock);
if (result != MA_SUCCESS) {
return result;
}
return MA_SUCCESS;
}
static ma_result ma_device_start_stream__aaudio(ma_device* pDevice, ma_AAudioStream* pStream)
{
ma_aaudio_result_t resultAA;
ma_aaudio_stream_state_t currentState;
MA_ASSERT(pDevice != NULL);
if (pStream == NULL) {
return MA_INVALID_ARGS;
}
resultAA = ((MA_PFN_AAudioStream_requestStart)pDevice->pContext->aaudio.AAudioStream_requestStart)(pStream);
if (resultAA != MA_AAUDIO_OK) {
return ma_result_from_aaudio(resultAA);
}
currentState = ((MA_PFN_AAudioStream_getState)pDevice->pContext->aaudio.AAudioStream_getState)(pStream);
if (currentState != MA_AAUDIO_STREAM_STATE_STARTED) {
ma_result result;
if (currentState != MA_AAUDIO_STREAM_STATE_STARTING) {
return MA_ERROR;
}
result = ma_wait_for_simple_state_transition__aaudio(pDevice->pContext, pStream, currentState, MA_AAUDIO_STREAM_STATE_STARTED);
if (result != MA_SUCCESS) {
return result;
}
}
return MA_SUCCESS;
}
static ma_result ma_device_stop_stream__aaudio(ma_device* pDevice, ma_AAudioStream* pStream)
{
ma_aaudio_result_t resultAA;
ma_aaudio_stream_state_t currentState;
MA_ASSERT(pDevice != NULL);
if (pStream == NULL) {
return MA_INVALID_ARGS;
}
currentState = ((MA_PFN_AAudioStream_getState)pDevice->pContext->aaudio.AAudioStream_getState)(pStream);
if (currentState == MA_AAUDIO_STREAM_STATE_DISCONNECTED) {
return MA_SUCCESS;
}
resultAA = ((MA_PFN_AAudioStream_requestStop)pDevice->pContext->aaudio.AAudioStream_requestStop)(pStream);
if (resultAA != MA_AAUDIO_OK) {
return ma_result_from_aaudio(resultAA);
}
currentState = ((MA_PFN_AAudioStream_getState)pDevice->pContext->aaudio.AAudioStream_getState)(pStream);
if (currentState != MA_AAUDIO_STREAM_STATE_STOPPED) {
ma_result result;
if (currentState != MA_AAUDIO_STREAM_STATE_STOPPING) {
return MA_ERROR;
}
result = ma_wait_for_simple_state_transition__aaudio(pDevice->pContext, pStream, currentState, MA_AAUDIO_STREAM_STATE_STOPPED);
if (result != MA_SUCCESS) {
return result;
}
}
return MA_SUCCESS;
}
static ma_result ma_device_start__aaudio(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
ma_result result = ma_device_start_stream__aaudio(pDevice, (ma_AAudioStream*)pDevice->aaudio.pStreamCapture);
if (result != MA_SUCCESS) {
return result;
}
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
ma_result result = ma_device_start_stream__aaudio(pDevice, (ma_AAudioStream*)pDevice->aaudio.pStreamPlayback);
if (result != MA_SUCCESS) {
if (pDevice->type == ma_device_type_duplex) {
ma_device_stop_stream__aaudio(pDevice, (ma_AAudioStream*)pDevice->aaudio.pStreamCapture);
}
return result;
}
}
return MA_SUCCESS;
}
static ma_result ma_device_stop__aaudio(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
ma_result result = ma_device_stop_stream__aaudio(pDevice, (ma_AAudioStream*)pDevice->aaudio.pStreamCapture);
if (result != MA_SUCCESS) {
return result;
}
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
ma_result result = ma_device_stop_stream__aaudio(pDevice, (ma_AAudioStream*)pDevice->aaudio.pStreamPlayback);
if (result != MA_SUCCESS) {
return result;
}
}
ma_device__on_notification_stopped(pDevice);
return MA_SUCCESS;
}
static ma_result ma_device_reinit__aaudio(ma_device* pDevice, ma_device_type deviceType)
{
const ma_int32 maxAttempts = 4;
ma_result result;
ma_int32 iAttempt;
MA_ASSERT(pDevice != NULL);
iAttempt = 0;
while (iAttempt++ < maxAttempts) {
if (ma_atomic_bool32_get(&pDevice->aaudio.isTearingDown)) {
result = MA_SUCCESS;
break;
}
ma_close_streams__aaudio(pDevice);
ma_device_config deviceConfig;
ma_device_descriptor descriptorPlayback;
ma_device_descriptor descriptorCapture;
deviceConfig = ma_device_config_init(deviceType);
deviceConfig.playback.pDeviceID = NULL;
deviceConfig.playback.shareMode = pDevice->playback.shareMode;
deviceConfig.playback.format = pDevice->playback.format;
deviceConfig.playback.channels = pDevice->playback.channels;
deviceConfig.capture.pDeviceID = NULL;
deviceConfig.capture.shareMode = pDevice->capture.shareMode;
deviceConfig.capture.format = pDevice->capture.format;
deviceConfig.capture.channels = pDevice->capture.channels;
deviceConfig.sampleRate = pDevice->sampleRate;
deviceConfig.aaudio.usage = pDevice->aaudio.usage;
deviceConfig.aaudio.contentType = pDevice->aaudio.contentType;
deviceConfig.aaudio.inputPreset = pDevice->aaudio.inputPreset;
deviceConfig.aaudio.allowedCapturePolicy = pDevice->aaudio.allowedCapturePolicy;
deviceConfig.aaudio.noAutoStartAfterReroute = pDevice->aaudio.noAutoStartAfterReroute;
deviceConfig.periods = 1;
if (deviceType == ma_device_type_playback || deviceType == ma_device_type_duplex) {
deviceConfig.periodSizeInFrames = pDevice->playback.internalPeriodSizeInFrames;
} else {
deviceConfig.periodSizeInFrames = pDevice->capture.internalPeriodSizeInFrames;
}
if (deviceType == ma_device_type_capture || deviceType == ma_device_type_duplex || deviceType == ma_device_type_loopback) {
descriptorCapture.pDeviceID = deviceConfig.capture.pDeviceID;
descriptorCapture.shareMode = deviceConfig.capture.shareMode;
descriptorCapture.format = deviceConfig.capture.format;
descriptorCapture.channels = deviceConfig.capture.channels;
descriptorCapture.sampleRate = deviceConfig.sampleRate;
descriptorCapture.periodSizeInFrames = deviceConfig.periodSizeInFrames;
descriptorCapture.periodCount = deviceConfig.periods;
}
if (deviceType == ma_device_type_playback || deviceType == ma_device_type_duplex) {
descriptorPlayback.pDeviceID = deviceConfig.playback.pDeviceID;
descriptorPlayback.shareMode = deviceConfig.playback.shareMode;
descriptorPlayback.format = deviceConfig.playback.format;
descriptorPlayback.channels = deviceConfig.playback.channels;
descriptorPlayback.sampleRate = deviceConfig.sampleRate;
descriptorPlayback.periodSizeInFrames = deviceConfig.periodSizeInFrames;
descriptorPlayback.periodCount = deviceConfig.periods;
}
result = ma_device_init_streams__aaudio(pDevice, &deviceConfig, &descriptorPlayback, &descriptorCapture);
if (result != MA_SUCCESS) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_WARNING, "[AAudio] Failed to create stream after route change.");
break;
}
result = ma_device_post_init(pDevice, deviceType, &descriptorPlayback, &descriptorCapture);
if (result != MA_SUCCESS) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_WARNING, "[AAudio] Failed to initialize device after route change.");
ma_close_streams__aaudio(pDevice);
break;
}
ma_device__on_notification_rerouted(pDevice);
if (ma_device_get_state(pDevice) == ma_device_state_started) {
if (pDevice->aaudio.noAutoStartAfterReroute == MA_FALSE) {
result = ma_device_start__aaudio(pDevice);
if (result != MA_SUCCESS) {
if (iAttempt < maxAttempts) {
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, "[AAudio] Failed to start stream after route change, retrying(%d)", iAttempt);
} else {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, "[AAudio] Failed to start stream after route change, giving up.");
}
}
} else {
ma_device_stop(pDevice);
}
}
if (result == MA_SUCCESS) {
break;
}
}
return result;
}
static ma_result ma_device_get_info__aaudio(ma_device* pDevice, ma_device_type type, ma_device_info* pDeviceInfo)
{
ma_AAudioStream* pStream = NULL;
MA_ASSERT(pDevice != NULL);
MA_ASSERT(type != ma_device_type_duplex);
MA_ASSERT(pDeviceInfo != NULL);
if (type == ma_device_type_capture) {
pStream = (ma_AAudioStream*)pDevice->aaudio.pStreamCapture;
pDeviceInfo->id.aaudio = pDevice->capture.id.aaudio;
ma_strncpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), MA_DEFAULT_CAPTURE_DEVICE_NAME, (size_t)-1);
}
if (type == ma_device_type_playback) {
pStream = (ma_AAudioStream*)pDevice->aaudio.pStreamPlayback;
pDeviceInfo->id.aaudio = pDevice->playback.id.aaudio;
ma_strncpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), MA_DEFAULT_PLAYBACK_DEVICE_NAME, (size_t)-1);
}
if (pStream == NULL) {
return MA_INVALID_OPERATION;
}
pDeviceInfo->nativeDataFormatCount = 0;
ma_context_add_native_data_format_from_AAudioStream__aaudio(pDevice->pContext, pStream, 0, pDeviceInfo);
return MA_SUCCESS;
}
static ma_result ma_context_uninit__aaudio(ma_context* pContext)
{
MA_ASSERT(pContext != NULL);
MA_ASSERT(pContext->backend == ma_backend_aaudio);
ma_device_job_thread_uninit(&pContext->aaudio.jobThread, &pContext->allocationCallbacks);
ma_dlclose(ma_context_get_log(pContext), pContext->aaudio.hAAudio);
pContext->aaudio.hAAudio = NULL;
return MA_SUCCESS;
}
static ma_result ma_context_init__aaudio(ma_context* pContext, const ma_context_config* pConfig, ma_backend_callbacks* pCallbacks)
{
#if !defined(MA_NO_RUNTIME_LINKING)
size_t i;
const char* libNames[] = {
"libaaudio.so"
};
for (i = 0; i < ma_countof(libNames); ++i) {
pContext->aaudio.hAAudio = ma_dlopen(ma_context_get_log(pContext), libNames[i]);
if (pContext->aaudio.hAAudio != NULL) {
break;
}
}
if (pContext->aaudio.hAAudio == NULL) {
return MA_FAILED_TO_INIT_BACKEND;
}
pContext->aaudio.AAudio_createStreamBuilder = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->aaudio.hAAudio, "AAudio_createStreamBuilder");
pContext->aaudio.AAudioStreamBuilder_delete = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->aaudio.hAAudio, "AAudioStreamBuilder_delete");
pContext->aaudio.AAudioStreamBuilder_setDeviceId = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->aaudio.hAAudio, "AAudioStreamBuilder_setDeviceId");
pContext->aaudio.AAudioStreamBuilder_setDirection = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->aaudio.hAAudio, "AAudioStreamBuilder_setDirection");
pContext->aaudio.AAudioStreamBuilder_setSharingMode = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->aaudio.hAAudio, "AAudioStreamBuilder_setSharingMode");
pContext->aaudio.AAudioStreamBuilder_setFormat = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->aaudio.hAAudio, "AAudioStreamBuilder_setFormat");
pContext->aaudio.AAudioStreamBuilder_setChannelCount = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->aaudio.hAAudio, "AAudioStreamBuilder_setChannelCount");
pContext->aaudio.AAudioStreamBuilder_setSampleRate = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->aaudio.hAAudio, "AAudioStreamBuilder_setSampleRate");
pContext->aaudio.AAudioStreamBuilder_setBufferCapacityInFrames = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->aaudio.hAAudio, "AAudioStreamBuilder_setBufferCapacityInFrames");
pContext->aaudio.AAudioStreamBuilder_setFramesPerDataCallback = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->aaudio.hAAudio, "AAudioStreamBuilder_setFramesPerDataCallback");
pContext->aaudio.AAudioStreamBuilder_setDataCallback = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->aaudio.hAAudio, "AAudioStreamBuilder_setDataCallback");
pContext->aaudio.AAudioStreamBuilder_setErrorCallback = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->aaudio.hAAudio, "AAudioStreamBuilder_setErrorCallback");
pContext->aaudio.AAudioStreamBuilder_setPerformanceMode = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->aaudio.hAAudio, "AAudioStreamBuilder_setPerformanceMode");
pContext->aaudio.AAudioStreamBuilder_setUsage = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->aaudio.hAAudio, "AAudioStreamBuilder_setUsage");
pContext->aaudio.AAudioStreamBuilder_setContentType = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->aaudio.hAAudio, "AAudioStreamBuilder_setContentType");
pContext->aaudio.AAudioStreamBuilder_setInputPreset = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->aaudio.hAAudio, "AAudioStreamBuilder_setInputPreset");
pContext->aaudio.AAudioStreamBuilder_setAllowedCapturePolicy = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->aaudio.hAAudio, "AAudioStreamBuilder_setAllowedCapturePolicy");
pContext->aaudio.AAudioStreamBuilder_openStream = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->aaudio.hAAudio, "AAudioStreamBuilder_openStream");
pContext->aaudio.AAudioStream_close = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->aaudio.hAAudio, "AAudioStream_close");
pContext->aaudio.AAudioStream_getState = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->aaudio.hAAudio, "AAudioStream_getState");
pContext->aaudio.AAudioStream_waitForStateChange = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->aaudio.hAAudio, "AAudioStream_waitForStateChange");
pContext->aaudio.AAudioStream_getFormat = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->aaudio.hAAudio, "AAudioStream_getFormat");
pContext->aaudio.AAudioStream_getChannelCount = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->aaudio.hAAudio, "AAudioStream_getChannelCount");
pContext->aaudio.AAudioStream_getSampleRate = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->aaudio.hAAudio, "AAudioStream_getSampleRate");
pContext->aaudio.AAudioStream_getBufferCapacityInFrames = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->aaudio.hAAudio, "AAudioStream_getBufferCapacityInFrames");
pContext->aaudio.AAudioStream_getFramesPerDataCallback = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->aaudio.hAAudio, "AAudioStream_getFramesPerDataCallback");
pContext->aaudio.AAudioStream_getFramesPerBurst = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->aaudio.hAAudio, "AAudioStream_getFramesPerBurst");
pContext->aaudio.AAudioStream_requestStart = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->aaudio.hAAudio, "AAudioStream_requestStart");
pContext->aaudio.AAudioStream_requestStop = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->aaudio.hAAudio, "AAudioStream_requestStop");
#else
pContext->aaudio.AAudio_createStreamBuilder = (ma_proc)AAudio_createStreamBuilder;
pContext->aaudio.AAudioStreamBuilder_delete = (ma_proc)AAudioStreamBuilder_delete;
pContext->aaudio.AAudioStreamBuilder_setDeviceId = (ma_proc)AAudioStreamBuilder_setDeviceId;
pContext->aaudio.AAudioStreamBuilder_setDirection = (ma_proc)AAudioStreamBuilder_setDirection;
pContext->aaudio.AAudioStreamBuilder_setSharingMode = (ma_proc)AAudioStreamBuilder_setSharingMode;
pContext->aaudio.AAudioStreamBuilder_setFormat = (ma_proc)AAudioStreamBuilder_setFormat;
pContext->aaudio.AAudioStreamBuilder_setChannelCount = (ma_proc)AAudioStreamBuilder_setChannelCount;
pContext->aaudio.AAudioStreamBuilder_setSampleRate = (ma_proc)AAudioStreamBuilder_setSampleRate;
pContext->aaudio.AAudioStreamBuilder_setBufferCapacityInFrames = (ma_proc)AAudioStreamBuilder_setBufferCapacityInFrames;
pContext->aaudio.AAudioStreamBuilder_setFramesPerDataCallback = (ma_proc)AAudioStreamBuilder_setFramesPerDataCallback;
pContext->aaudio.AAudioStreamBuilder_setDataCallback = (ma_proc)AAudioStreamBuilder_setDataCallback;
pContext->aaudio.AAudioStreamBuilder_setErrorCallback = (ma_proc)AAudioStreamBuilder_setErrorCallback;
pContext->aaudio.AAudioStreamBuilder_setPerformanceMode = (ma_proc)AAudioStreamBuilder_setPerformanceMode;
pContext->aaudio.AAudioStreamBuilder_setUsage = (ma_proc)AAudioStreamBuilder_setUsage;
pContext->aaudio.AAudioStreamBuilder_setContentType = (ma_proc)AAudioStreamBuilder_setContentType;
pContext->aaudio.AAudioStreamBuilder_setInputPreset = (ma_proc)AAudioStreamBuilder_setInputPreset;
#if defined(__ANDROID_API__) && __ANDROID_API__ >= 29
pContext->aaudio.AAudioStreamBuilder_setAllowedCapturePolicy = (ma_proc)AAudioStreamBuilder_setAllowedCapturePolicy;
#endif
pContext->aaudio.AAudioStreamBuilder_openStream = (ma_proc)AAudioStreamBuilder_openStream;
pContext->aaudio.AAudioStream_close = (ma_proc)AAudioStream_close;
pContext->aaudio.AAudioStream_getState = (ma_proc)AAudioStream_getState;
pContext->aaudio.AAudioStream_waitForStateChange = (ma_proc)AAudioStream_waitForStateChange;
pContext->aaudio.AAudioStream_getFormat = (ma_proc)AAudioStream_getFormat;
pContext->aaudio.AAudioStream_getChannelCount = (ma_proc)AAudioStream_getChannelCount;
pContext->aaudio.AAudioStream_getSampleRate = (ma_proc)AAudioStream_getSampleRate;
pContext->aaudio.AAudioStream_getBufferCapacityInFrames = (ma_proc)AAudioStream_getBufferCapacityInFrames;
pContext->aaudio.AAudioStream_getFramesPerDataCallback = (ma_proc)AAudioStream_getFramesPerDataCallback;
pContext->aaudio.AAudioStream_getFramesPerBurst = (ma_proc)AAudioStream_getFramesPerBurst;
pContext->aaudio.AAudioStream_requestStart = (ma_proc)AAudioStream_requestStart;
pContext->aaudio.AAudioStream_requestStop = (ma_proc)AAudioStream_requestStop;
#endif
pCallbacks->onContextInit = ma_context_init__aaudio;
pCallbacks->onContextUninit = ma_context_uninit__aaudio;
pCallbacks->onContextEnumerateDevices = ma_context_enumerate_devices__aaudio;
pCallbacks->onContextGetDeviceInfo = ma_context_get_device_info__aaudio;
pCallbacks->onDeviceInit = ma_device_init__aaudio;
pCallbacks->onDeviceUninit = ma_device_uninit__aaudio;
pCallbacks->onDeviceStart = ma_device_start__aaudio;
pCallbacks->onDeviceStop = ma_device_stop__aaudio;
pCallbacks->onDeviceRead = NULL;
pCallbacks->onDeviceWrite = NULL;
pCallbacks->onDeviceDataLoop = NULL;
pCallbacks->onDeviceGetInfo = ma_device_get_info__aaudio;
{
ma_result result;
ma_device_job_thread_config jobThreadConfig;
jobThreadConfig = ma_device_job_thread_config_init();
result = ma_device_job_thread_init(&jobThreadConfig, &pContext->allocationCallbacks, &pContext->aaudio.jobThread);
if (result != MA_SUCCESS) {
ma_dlclose(ma_context_get_log(pContext), pContext->aaudio.hAAudio);
pContext->aaudio.hAAudio = NULL;
return result;
}
}
(void)pConfig;
return MA_SUCCESS;
}
static ma_result ma_job_process__device__aaudio_reroute(ma_job* pJob)
{
ma_result result = MA_SUCCESS;
ma_device* pDevice;
MA_ASSERT(pJob != NULL);
pDevice = (ma_device*)pJob->data.device.aaudio.reroute.pDevice;
MA_ASSERT(pDevice != NULL);
ma_mutex_lock(&pDevice->aaudio.rerouteLock);
{
result = ma_device_reinit__aaudio(pDevice, (ma_device_type)pJob->data.device.aaudio.reroute.deviceType);
if (result != MA_SUCCESS) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[AAudio] Stopping device due to reroute failure.");
ma_device_stop(pDevice);
}
}
ma_mutex_unlock(&pDevice->aaudio.rerouteLock);
return result;
}
#else
static ma_result ma_job_process__device__aaudio_reroute(ma_job* pJob)
{
return ma_job_process__noop(pJob);
}
#endif
#ifdef MA_HAS_OPENSL
#include <SLES/OpenSLES.h>
#ifdef MA_ANDROID
#include <SLES/OpenSLES_Android.h>
#endif
typedef SLresult (SLAPIENTRY * ma_slCreateEngine_proc)(SLObjectItf* pEngine, SLuint32 numOptions, SLEngineOption* pEngineOptions, SLuint32 numInterfaces, SLInterfaceID* pInterfaceIds, SLboolean* pInterfaceRequired);
static SLObjectItf g_maEngineObjectSL = NULL;
static SLEngineItf g_maEngineSL = NULL;
static ma_uint32 g_maOpenSLInitCounter = 0;
static ma_spinlock g_maOpenSLSpinlock = 0;
#define MA_OPENSL_OBJ(p) (*((SLObjectItf)(p)))
#define MA_OPENSL_OUTPUTMIX(p) (*((SLOutputMixItf)(p)))
#define MA_OPENSL_PLAY(p) (*((SLPlayItf)(p)))
#define MA_OPENSL_RECORD(p) (*((SLRecordItf)(p)))
#ifdef MA_ANDROID
#define MA_OPENSL_BUFFERQUEUE(p) (*((SLAndroidSimpleBufferQueueItf)(p)))
#else
#define MA_OPENSL_BUFFERQUEUE(p) (*((SLBufferQueueItf)(p)))
#endif
static ma_result ma_result_from_OpenSL(SLuint32 result)
{
switch (result)
{
case SL_RESULT_SUCCESS: return MA_SUCCESS;
case SL_RESULT_PRECONDITIONS_VIOLATED: return MA_ERROR;
case SL_RESULT_PARAMETER_INVALID: return MA_INVALID_ARGS;
case SL_RESULT_MEMORY_FAILURE: return MA_OUT_OF_MEMORY;
case SL_RESULT_RESOURCE_ERROR: return MA_INVALID_DATA;
case SL_RESULT_RESOURCE_LOST: return MA_ERROR;
case SL_RESULT_IO_ERROR: return MA_IO_ERROR;
case SL_RESULT_BUFFER_INSUFFICIENT: return MA_NO_SPACE;
case SL_RESULT_CONTENT_CORRUPTED: return MA_INVALID_DATA;
case SL_RESULT_CONTENT_UNSUPPORTED: return MA_FORMAT_NOT_SUPPORTED;
case SL_RESULT_CONTENT_NOT_FOUND: return MA_ERROR;
case SL_RESULT_PERMISSION_DENIED: return MA_ACCESS_DENIED;
case SL_RESULT_FEATURE_UNSUPPORTED: return MA_NOT_IMPLEMENTED;
case SL_RESULT_INTERNAL_ERROR: return MA_ERROR;
case SL_RESULT_UNKNOWN_ERROR: return MA_ERROR;
case SL_RESULT_OPERATION_ABORTED: return MA_ERROR;
case SL_RESULT_CONTROL_LOST: return MA_ERROR;
default: return MA_ERROR;
}
}
static ma_uint8 ma_channel_id_to_ma__opensl(SLuint32 id)
{
switch (id)
{
case SL_SPEAKER_FRONT_LEFT: return MA_CHANNEL_FRONT_LEFT;
case SL_SPEAKER_FRONT_RIGHT: return MA_CHANNEL_FRONT_RIGHT;
case SL_SPEAKER_FRONT_CENTER: return MA_CHANNEL_FRONT_CENTER;
case SL_SPEAKER_LOW_FREQUENCY: return MA_CHANNEL_LFE;
case SL_SPEAKER_BACK_LEFT: return MA_CHANNEL_BACK_LEFT;
case SL_SPEAKER_BACK_RIGHT: return MA_CHANNEL_BACK_RIGHT;
case SL_SPEAKER_FRONT_LEFT_OF_CENTER: return MA_CHANNEL_FRONT_LEFT_CENTER;
case SL_SPEAKER_FRONT_RIGHT_OF_CENTER: return MA_CHANNEL_FRONT_RIGHT_CENTER;
case SL_SPEAKER_BACK_CENTER: return MA_CHANNEL_BACK_CENTER;
case SL_SPEAKER_SIDE_LEFT: return MA_CHANNEL_SIDE_LEFT;
case SL_SPEAKER_SIDE_RIGHT: return MA_CHANNEL_SIDE_RIGHT;
case SL_SPEAKER_TOP_CENTER: return MA_CHANNEL_TOP_CENTER;
case SL_SPEAKER_TOP_FRONT_LEFT: return MA_CHANNEL_TOP_FRONT_LEFT;
case SL_SPEAKER_TOP_FRONT_CENTER: return MA_CHANNEL_TOP_FRONT_CENTER;
case SL_SPEAKER_TOP_FRONT_RIGHT: return MA_CHANNEL_TOP_FRONT_RIGHT;
case SL_SPEAKER_TOP_BACK_LEFT: return MA_CHANNEL_TOP_BACK_LEFT;
case SL_SPEAKER_TOP_BACK_CENTER: return MA_CHANNEL_TOP_BACK_CENTER;
case SL_SPEAKER_TOP_BACK_RIGHT: return MA_CHANNEL_TOP_BACK_RIGHT;
default: return 0;
}
}
static SLuint32 ma_channel_id_to_opensl(ma_uint8 id)
{
switch (id)
{
case MA_CHANNEL_MONO: return SL_SPEAKER_FRONT_CENTER;
case MA_CHANNEL_FRONT_LEFT: return SL_SPEAKER_FRONT_LEFT;
case MA_CHANNEL_FRONT_RIGHT: return SL_SPEAKER_FRONT_RIGHT;
case MA_CHANNEL_FRONT_CENTER: return SL_SPEAKER_FRONT_CENTER;
case MA_CHANNEL_LFE: return SL_SPEAKER_LOW_FREQUENCY;
case MA_CHANNEL_BACK_LEFT: return SL_SPEAKER_BACK_LEFT;
case MA_CHANNEL_BACK_RIGHT: return SL_SPEAKER_BACK_RIGHT;
case MA_CHANNEL_FRONT_LEFT_CENTER: return SL_SPEAKER_FRONT_LEFT_OF_CENTER;
case MA_CHANNEL_FRONT_RIGHT_CENTER: return SL_SPEAKER_FRONT_RIGHT_OF_CENTER;
case MA_CHANNEL_BACK_CENTER: return SL_SPEAKER_BACK_CENTER;
case MA_CHANNEL_SIDE_LEFT: return SL_SPEAKER_SIDE_LEFT;
case MA_CHANNEL_SIDE_RIGHT: return SL_SPEAKER_SIDE_RIGHT;
case MA_CHANNEL_TOP_CENTER: return SL_SPEAKER_TOP_CENTER;
case MA_CHANNEL_TOP_FRONT_LEFT: return SL_SPEAKER_TOP_FRONT_LEFT;
case MA_CHANNEL_TOP_FRONT_CENTER: return SL_SPEAKER_TOP_FRONT_CENTER;
case MA_CHANNEL_TOP_FRONT_RIGHT: return SL_SPEAKER_TOP_FRONT_RIGHT;
case MA_CHANNEL_TOP_BACK_LEFT: return SL_SPEAKER_TOP_BACK_LEFT;
case MA_CHANNEL_TOP_BACK_CENTER: return SL_SPEAKER_TOP_BACK_CENTER;
case MA_CHANNEL_TOP_BACK_RIGHT: return SL_SPEAKER_TOP_BACK_RIGHT;
default: return 0;
}
}
static SLuint32 ma_channel_map_to_channel_mask__opensl(const ma_channel* pChannelMap, ma_uint32 channels)
{
SLuint32 channelMask = 0;
ma_uint32 iChannel;
for (iChannel = 0; iChannel < channels; ++iChannel) {
channelMask |= ma_channel_id_to_opensl(pChannelMap[iChannel]);
}
return channelMask;
}
static void ma_channel_mask_to_channel_map__opensl(SLuint32 channelMask, ma_uint32 channels, ma_channel* pChannelMap)
{
if (channels == 1 && channelMask == 0) {
pChannelMap[0] = MA_CHANNEL_MONO;
} else if (channels == 2 && channelMask == 0) {
pChannelMap[0] = MA_CHANNEL_FRONT_LEFT;
pChannelMap[1] = MA_CHANNEL_FRONT_RIGHT;
} else {
if (channels == 1 && (channelMask & SL_SPEAKER_FRONT_CENTER) != 0) {
pChannelMap[0] = MA_CHANNEL_MONO;
} else {
ma_uint32 iChannel = 0;
ma_uint32 iBit;
for (iBit = 0; iBit < 32 && iChannel < channels; ++iBit) {
SLuint32 bitValue = (channelMask & (1UL << iBit));
if (bitValue != 0) {
pChannelMap[iChannel] = ma_channel_id_to_ma__opensl(bitValue);
iChannel += 1;
}
}
}
}
}
static SLuint32 ma_round_to_standard_sample_rate__opensl(SLuint32 samplesPerSec)
{
if (samplesPerSec <= SL_SAMPLINGRATE_8) {
return SL_SAMPLINGRATE_8;
}
if (samplesPerSec <= SL_SAMPLINGRATE_11_025) {
return SL_SAMPLINGRATE_11_025;
}
if (samplesPerSec <= SL_SAMPLINGRATE_12) {
return SL_SAMPLINGRATE_12;
}
if (samplesPerSec <= SL_SAMPLINGRATE_16) {
return SL_SAMPLINGRATE_16;
}
if (samplesPerSec <= SL_SAMPLINGRATE_22_05) {
return SL_SAMPLINGRATE_22_05;
}
if (samplesPerSec <= SL_SAMPLINGRATE_24) {
return SL_SAMPLINGRATE_24;
}
if (samplesPerSec <= SL_SAMPLINGRATE_32) {
return SL_SAMPLINGRATE_32;
}
if (samplesPerSec <= SL_SAMPLINGRATE_44_1) {
return SL_SAMPLINGRATE_44_1;
}
if (samplesPerSec <= SL_SAMPLINGRATE_48) {
return SL_SAMPLINGRATE_48;
}
#ifndef MA_ANDROID
if (samplesPerSec <= SL_SAMPLINGRATE_64) {
return SL_SAMPLINGRATE_64;
}
if (samplesPerSec <= SL_SAMPLINGRATE_88_2) {
return SL_SAMPLINGRATE_88_2;
}
if (samplesPerSec <= SL_SAMPLINGRATE_96) {
return SL_SAMPLINGRATE_96;
}
if (samplesPerSec <= SL_SAMPLINGRATE_192) {
return SL_SAMPLINGRATE_192;
}
#endif
return SL_SAMPLINGRATE_16;
}
static SLint32 ma_to_stream_type__opensl(ma_opensl_stream_type streamType)
{
switch (streamType) {
case ma_opensl_stream_type_voice: return SL_ANDROID_STREAM_VOICE;
case ma_opensl_stream_type_system: return SL_ANDROID_STREAM_SYSTEM;
case ma_opensl_stream_type_ring: return SL_ANDROID_STREAM_RING;
case ma_opensl_stream_type_media: return SL_ANDROID_STREAM_MEDIA;
case ma_opensl_stream_type_alarm: return SL_ANDROID_STREAM_ALARM;
case ma_opensl_stream_type_notification: return SL_ANDROID_STREAM_NOTIFICATION;
default: break;
}
return SL_ANDROID_STREAM_VOICE;
}
static SLint32 ma_to_recording_preset__opensl(ma_opensl_recording_preset recordingPreset)
{
switch (recordingPreset) {
case ma_opensl_recording_preset_generic: return SL_ANDROID_RECORDING_PRESET_GENERIC;
case ma_opensl_recording_preset_camcorder: return SL_ANDROID_RECORDING_PRESET_CAMCORDER;
case ma_opensl_recording_preset_voice_recognition: return SL_ANDROID_RECORDING_PRESET_VOICE_RECOGNITION;
case ma_opensl_recording_preset_voice_communication: return SL_ANDROID_RECORDING_PRESET_VOICE_COMMUNICATION;
case ma_opensl_recording_preset_voice_unprocessed: return SL_ANDROID_RECORDING_PRESET_UNPROCESSED;
default: break;
}
return SL_ANDROID_RECORDING_PRESET_NONE;
}
static ma_result ma_context_enumerate_devices__opensl(ma_context* pContext, ma_enum_devices_callback_proc callback, void* pUserData)
{
ma_bool32 cbResult;
MA_ASSERT(pContext != NULL);
MA_ASSERT(callback != NULL);
MA_ASSERT(g_maOpenSLInitCounter > 0);
if (g_maOpenSLInitCounter == 0) {
return MA_INVALID_OPERATION;
}
#if 0 && !defined(MA_ANDROID)
ma_bool32 isTerminated = MA_FALSE;
SLuint32 pDeviceIDs[128];
SLint32 deviceCount = sizeof(pDeviceIDs) / sizeof(pDeviceIDs[0]);
SLAudioIODeviceCapabilitiesItf deviceCaps;
SLresult resultSL = (*g_maEngineObjectSL)->GetInterface(g_maEngineObjectSL, (SLInterfaceID)pContext->opensl.SL_IID_AUDIOIODEVICECAPABILITIES, &deviceCaps);
if (resultSL != SL_RESULT_SUCCESS) {
goto return_default_device;
}
if (!isTerminated) {
resultSL = (*deviceCaps)->GetAvailableAudioOutputs(deviceCaps, &deviceCount, pDeviceIDs);
if (resultSL != SL_RESULT_SUCCESS) {
return ma_result_from_OpenSL(resultSL);
}
for (SLint32 iDevice = 0; iDevice < deviceCount; ++iDevice) {
ma_device_info deviceInfo;
MA_ZERO_OBJECT(&deviceInfo);
deviceInfo.id.opensl = pDeviceIDs[iDevice];
SLAudioOutputDescriptor desc;
resultSL = (*deviceCaps)->QueryAudioOutputCapabilities(deviceCaps, deviceInfo.id.opensl, &desc);
if (resultSL == SL_RESULT_SUCCESS) {
ma_strncpy_s(deviceInfo.name, sizeof(deviceInfo.name), (const char*)desc.pDeviceName, (size_t)-1);
ma_bool32 cbResult = callback(pContext, ma_device_type_playback, &deviceInfo, pUserData);
if (cbResult == MA_FALSE) {
isTerminated = MA_TRUE;
break;
}
}
}
}
if (!isTerminated) {
resultSL = (*deviceCaps)->GetAvailableAudioInputs(deviceCaps, &deviceCount, pDeviceIDs);
if (resultSL != SL_RESULT_SUCCESS) {
return ma_result_from_OpenSL(resultSL);
}
for (SLint32 iDevice = 0; iDevice < deviceCount; ++iDevice) {
ma_device_info deviceInfo;
MA_ZERO_OBJECT(&deviceInfo);
deviceInfo.id.opensl = pDeviceIDs[iDevice];
SLAudioInputDescriptor desc;
resultSL = (*deviceCaps)->QueryAudioInputCapabilities(deviceCaps, deviceInfo.id.opensl, &desc);
if (resultSL == SL_RESULT_SUCCESS) {
ma_strncpy_s(deviceInfo.name, sizeof(deviceInfo.name), (const char*)desc.deviceName, (size_t)-1);
ma_bool32 cbResult = callback(pContext, ma_device_type_capture, &deviceInfo, pUserData);
if (cbResult == MA_FALSE) {
isTerminated = MA_TRUE;
break;
}
}
}
}
return MA_SUCCESS;
#else
goto return_default_device;
#endif
return_default_device:;
cbResult = MA_TRUE;
if (cbResult) {
ma_device_info deviceInfo;
MA_ZERO_OBJECT(&deviceInfo);
deviceInfo.id.opensl = SL_DEFAULTDEVICEID_AUDIOOUTPUT;
ma_strncpy_s(deviceInfo.name, sizeof(deviceInfo.name), MA_DEFAULT_PLAYBACK_DEVICE_NAME, (size_t)-1);
cbResult = callback(pContext, ma_device_type_playback, &deviceInfo, pUserData);
}
if (cbResult) {
ma_device_info deviceInfo;
MA_ZERO_OBJECT(&deviceInfo);
deviceInfo.id.opensl = SL_DEFAULTDEVICEID_AUDIOINPUT;
ma_strncpy_s(deviceInfo.name, sizeof(deviceInfo.name), MA_DEFAULT_CAPTURE_DEVICE_NAME, (size_t)-1);
cbResult = callback(pContext, ma_device_type_capture, &deviceInfo, pUserData);
}
return MA_SUCCESS;
}
static void ma_context_add_data_format_ex__opensl(ma_context* pContext, ma_format format, ma_uint32 channels, ma_uint32 sampleRate, ma_device_info* pDeviceInfo)
{
MA_ASSERT(pContext != NULL);
MA_ASSERT(pDeviceInfo != NULL);
pDeviceInfo->nativeDataFormats[pDeviceInfo->nativeDataFormatCount].format = format;
pDeviceInfo->nativeDataFormats[pDeviceInfo->nativeDataFormatCount].channels = channels;
pDeviceInfo->nativeDataFormats[pDeviceInfo->nativeDataFormatCount].sampleRate = sampleRate;
pDeviceInfo->nativeDataFormats[pDeviceInfo->nativeDataFormatCount].flags = 0;
pDeviceInfo->nativeDataFormatCount += 1;
}
static void ma_context_add_data_format__opensl(ma_context* pContext, ma_format format, ma_device_info* pDeviceInfo)
{
ma_uint32 minChannels = 1;
ma_uint32 maxChannels = 2;
ma_uint32 minSampleRate = (ma_uint32)ma_standard_sample_rate_8000;
ma_uint32 maxSampleRate = (ma_uint32)ma_standard_sample_rate_48000;
ma_uint32 iChannel;
ma_uint32 iSampleRate;
MA_ASSERT(pContext != NULL);
MA_ASSERT(pDeviceInfo != NULL);
for (iChannel = minChannels; iChannel < maxChannels; iChannel += 1) {
for (iSampleRate = 0; iSampleRate < ma_countof(g_maStandardSampleRatePriorities); iSampleRate += 1) {
ma_uint32 standardSampleRate = g_maStandardSampleRatePriorities[iSampleRate];
if (standardSampleRate >= minSampleRate && standardSampleRate <= maxSampleRate) {
ma_context_add_data_format_ex__opensl(pContext, format, iChannel, standardSampleRate, pDeviceInfo);
}
}
}
}
static ma_result ma_context_get_device_info__opensl(ma_context* pContext, ma_device_type deviceType, const ma_device_id* pDeviceID, ma_device_info* pDeviceInfo)
{
MA_ASSERT(pContext != NULL);
MA_ASSERT(g_maOpenSLInitCounter > 0);
if (g_maOpenSLInitCounter == 0) {
return MA_INVALID_OPERATION;
}
#if 0 && !defined(MA_ANDROID)
SLAudioIODeviceCapabilitiesItf deviceCaps;
SLresult resultSL = (*g_maEngineObjectSL)->GetInterface(g_maEngineObjectSL, (SLInterfaceID)pContext->opensl.SL_IID_AUDIOIODEVICECAPABILITIES, &deviceCaps);
if (resultSL != SL_RESULT_SUCCESS) {
goto return_default_device;
}
if (deviceType == ma_device_type_playback) {
SLAudioOutputDescriptor desc;
resultSL = (*deviceCaps)->QueryAudioOutputCapabilities(deviceCaps, pDeviceID->opensl, &desc);
if (resultSL != SL_RESULT_SUCCESS) {
return ma_result_from_OpenSL(resultSL);
}
ma_strncpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), (const char*)desc.pDeviceName, (size_t)-1);
} else {
SLAudioInputDescriptor desc;
resultSL = (*deviceCaps)->QueryAudioInputCapabilities(deviceCaps, pDeviceID->opensl, &desc);
if (resultSL != SL_RESULT_SUCCESS) {
return ma_result_from_OpenSL(resultSL);
}
ma_strncpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), (const char*)desc.deviceName, (size_t)-1);
}
goto return_detailed_info;
#else
goto return_default_device;
#endif
return_default_device:
if (pDeviceID != NULL) {
if ((deviceType == ma_device_type_playback && pDeviceID->opensl != SL_DEFAULTDEVICEID_AUDIOOUTPUT) ||
(deviceType == ma_device_type_capture && pDeviceID->opensl != SL_DEFAULTDEVICEID_AUDIOINPUT)) {
return MA_NO_DEVICE;
}
}
if (deviceType == ma_device_type_playback) {
pDeviceInfo->id.opensl = SL_DEFAULTDEVICEID_AUDIOOUTPUT;
ma_strncpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), MA_DEFAULT_PLAYBACK_DEVICE_NAME, (size_t)-1);
} else {
pDeviceInfo->id.opensl = SL_DEFAULTDEVICEID_AUDIOINPUT;
ma_strncpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), MA_DEFAULT_CAPTURE_DEVICE_NAME, (size_t)-1);
}
pDeviceInfo->isDefault = MA_TRUE;
goto return_detailed_info;
return_detailed_info:
pDeviceInfo->nativeDataFormatCount = 0;
#if defined(MA_ANDROID) && __ANDROID_API__ >= 21
ma_context_add_data_format__opensl(pContext, ma_format_f32, pDeviceInfo);
#endif
ma_context_add_data_format__opensl(pContext, ma_format_s16, pDeviceInfo);
ma_context_add_data_format__opensl(pContext, ma_format_u8, pDeviceInfo);
return MA_SUCCESS;
}
#ifdef MA_ANDROID
static void ma_buffer_queue_callback_capture__opensl_android(SLAndroidSimpleBufferQueueItf pBufferQueue, void* pUserData)
{
ma_device* pDevice = (ma_device*)pUserData;
size_t periodSizeInBytes;
ma_uint8* pBuffer;
SLresult resultSL;
MA_ASSERT(pDevice != NULL);
(void)pBufferQueue;
if (ma_device_get_state(pDevice) != ma_device_state_started) {
return;
}
if (pDevice->opensl.isDrainingCapture) {
return;
}
periodSizeInBytes = pDevice->capture.internalPeriodSizeInFrames * ma_get_bytes_per_frame(pDevice->capture.internalFormat, pDevice->capture.internalChannels);
pBuffer = pDevice->opensl.pBufferCapture + (pDevice->opensl.currentBufferIndexCapture * periodSizeInBytes);
ma_device_handle_backend_data_callback(pDevice, NULL, pBuffer, pDevice->capture.internalPeriodSizeInFrames);
resultSL = MA_OPENSL_BUFFERQUEUE(pDevice->opensl.pBufferQueueCapture)->Enqueue((SLAndroidSimpleBufferQueueItf)pDevice->opensl.pBufferQueueCapture, pBuffer, periodSizeInBytes);
if (resultSL != SL_RESULT_SUCCESS) {
return;
}
pDevice->opensl.currentBufferIndexCapture = (pDevice->opensl.currentBufferIndexCapture + 1) % pDevice->capture.internalPeriods;
}
static void ma_buffer_queue_callback_playback__opensl_android(SLAndroidSimpleBufferQueueItf pBufferQueue, void* pUserData)
{
ma_device* pDevice = (ma_device*)pUserData;
size_t periodSizeInBytes;
ma_uint8* pBuffer;
SLresult resultSL;
MA_ASSERT(pDevice != NULL);
(void)pBufferQueue;
if (ma_device_get_state(pDevice) != ma_device_state_started) {
return;
}
if (pDevice->opensl.isDrainingPlayback) {
return;
}
periodSizeInBytes = pDevice->playback.internalPeriodSizeInFrames * ma_get_bytes_per_frame(pDevice->playback.internalFormat, pDevice->playback.internalChannels);
pBuffer = pDevice->opensl.pBufferPlayback + (pDevice->opensl.currentBufferIndexPlayback * periodSizeInBytes);
ma_device_handle_backend_data_callback(pDevice, pBuffer, NULL, pDevice->playback.internalPeriodSizeInFrames);
resultSL = MA_OPENSL_BUFFERQUEUE(pDevice->opensl.pBufferQueuePlayback)->Enqueue((SLAndroidSimpleBufferQueueItf)pDevice->opensl.pBufferQueuePlayback, pBuffer, periodSizeInBytes);
if (resultSL != SL_RESULT_SUCCESS) {
return;
}
pDevice->opensl.currentBufferIndexPlayback = (pDevice->opensl.currentBufferIndexPlayback + 1) % pDevice->playback.internalPeriods;
}
#endif
static ma_result ma_device_uninit__opensl(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
MA_ASSERT(g_maOpenSLInitCounter > 0);
if (g_maOpenSLInitCounter == 0) {
return MA_INVALID_OPERATION;
}
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
if (pDevice->opensl.pAudioRecorderObj) {
MA_OPENSL_OBJ(pDevice->opensl.pAudioRecorderObj)->Destroy((SLObjectItf)pDevice->opensl.pAudioRecorderObj);
}
ma_free(pDevice->opensl.pBufferCapture, &pDevice->pContext->allocationCallbacks);
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
if (pDevice->opensl.pAudioPlayerObj) {
MA_OPENSL_OBJ(pDevice->opensl.pAudioPlayerObj)->Destroy((SLObjectItf)pDevice->opensl.pAudioPlayerObj);
}
if (pDevice->opensl.pOutputMixObj) {
MA_OPENSL_OBJ(pDevice->opensl.pOutputMixObj)->Destroy((SLObjectItf)pDevice->opensl.pOutputMixObj);
}
ma_free(pDevice->opensl.pBufferPlayback, &pDevice->pContext->allocationCallbacks);
}
return MA_SUCCESS;
}
#if defined(MA_ANDROID) && __ANDROID_API__ >= 21
typedef SLAndroidDataFormat_PCM_EX ma_SLDataFormat_PCM;
#else
typedef SLDataFormat_PCM ma_SLDataFormat_PCM;
#endif
static ma_result ma_SLDataFormat_PCM_init__opensl(ma_format format, ma_uint32 channels, ma_uint32 sampleRate, const ma_channel* channelMap, ma_SLDataFormat_PCM* pDataFormat)
{
if (format == ma_format_unknown) {
format = MA_DEFAULT_FORMAT;
}
if (channels == 0) {
channels = MA_DEFAULT_CHANNELS;
}
if (sampleRate == 0) {
sampleRate = MA_DEFAULT_SAMPLE_RATE;
}
#if defined(MA_ANDROID) && __ANDROID_API__ >= 21
if (format == ma_format_f32) {
pDataFormat->formatType = SL_ANDROID_DATAFORMAT_PCM_EX;
pDataFormat->representation = SL_ANDROID_PCM_REPRESENTATION_FLOAT;
} else {
pDataFormat->formatType = SL_DATAFORMAT_PCM;
}
#else
pDataFormat->formatType = SL_DATAFORMAT_PCM;
#endif
pDataFormat->numChannels = channels;
((SLDataFormat_PCM*)pDataFormat)->samplesPerSec = ma_round_to_standard_sample_rate__opensl(sampleRate * 1000);
pDataFormat->bitsPerSample = ma_get_bytes_per_sample(format) * 8;
pDataFormat->channelMask = ma_channel_map_to_channel_mask__opensl(channelMap, channels);
pDataFormat->endianness = (ma_is_little_endian()) ? SL_BYTEORDER_LITTLEENDIAN : SL_BYTEORDER_BIGENDIAN;
#ifdef MA_ANDROID
if (pDataFormat->numChannels > 2) {
pDataFormat->numChannels = 2;
}
#if __ANDROID_API__ >= 21
if (pDataFormat->formatType == SL_ANDROID_DATAFORMAT_PCM_EX) {
MA_ASSERT(pDataFormat->representation == SL_ANDROID_PCM_REPRESENTATION_FLOAT);
if (pDataFormat->bitsPerSample > 32) {
pDataFormat->bitsPerSample = 32;
}
} else {
if (pDataFormat->bitsPerSample > 16) {
pDataFormat->bitsPerSample = 16;
}
}
#else
if (pDataFormat->bitsPerSample > 16) {
pDataFormat->bitsPerSample = 16;
}
#endif
if (((SLDataFormat_PCM*)pDataFormat)->samplesPerSec > SL_SAMPLINGRATE_48) {
((SLDataFormat_PCM*)pDataFormat)->samplesPerSec = SL_SAMPLINGRATE_48;
}
#endif
pDataFormat->containerSize = pDataFormat->bitsPerSample;
return MA_SUCCESS;
}
static ma_result ma_deconstruct_SLDataFormat_PCM__opensl(ma_SLDataFormat_PCM* pDataFormat, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap)
{
ma_bool32 isFloatingPoint = MA_FALSE;
#if defined(MA_ANDROID) && __ANDROID_API__ >= 21
if (pDataFormat->formatType == SL_ANDROID_DATAFORMAT_PCM_EX) {
MA_ASSERT(pDataFormat->representation == SL_ANDROID_PCM_REPRESENTATION_FLOAT);
isFloatingPoint = MA_TRUE;
}
#endif
if (isFloatingPoint) {
if (pDataFormat->bitsPerSample == 32) {
*pFormat = ma_format_f32;
}
} else {
if (pDataFormat->bitsPerSample == 8) {
*pFormat = ma_format_u8;
} else if (pDataFormat->bitsPerSample == 16) {
*pFormat = ma_format_s16;
} else if (pDataFormat->bitsPerSample == 24) {
*pFormat = ma_format_s24;
} else if (pDataFormat->bitsPerSample == 32) {
*pFormat = ma_format_s32;
}
}
*pChannels = pDataFormat->numChannels;
*pSampleRate = ((SLDataFormat_PCM*)pDataFormat)->samplesPerSec / 1000;
ma_channel_mask_to_channel_map__opensl(pDataFormat->channelMask, ma_min(pDataFormat->numChannels, channelMapCap), pChannelMap);
return MA_SUCCESS;
}
static ma_result ma_device_init__opensl(ma_device* pDevice, const ma_device_config* pConfig, ma_device_descriptor* pDescriptorPlayback, ma_device_descriptor* pDescriptorCapture)
{
#ifdef MA_ANDROID
SLDataLocator_AndroidSimpleBufferQueue queue;
SLresult resultSL;
size_t bufferSizeInBytes;
SLInterfaceID itfIDs[2];
const SLboolean itfIDsRequired[] = {
SL_BOOLEAN_TRUE,
SL_BOOLEAN_FALSE
};
#endif
MA_ASSERT(g_maOpenSLInitCounter > 0);
if (g_maOpenSLInitCounter == 0) {
return MA_INVALID_OPERATION;
}
if (pConfig->deviceType == ma_device_type_loopback) {
return MA_DEVICE_TYPE_NOT_SUPPORTED;
}
#ifdef MA_ANDROID
itfIDs[0] = (SLInterfaceID)pDevice->pContext->opensl.SL_IID_ANDROIDSIMPLEBUFFERQUEUE;
itfIDs[1] = (SLInterfaceID)pDevice->pContext->opensl.SL_IID_ANDROIDCONFIGURATION;
if (((pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex) && pDescriptorPlayback->shareMode == ma_share_mode_exclusive) ||
((pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex) && pDescriptorCapture->shareMode == ma_share_mode_exclusive)) {
return MA_SHARE_MODE_NOT_SUPPORTED;
}
MA_ASSERT(pDevice != NULL);
MA_ZERO_OBJECT(&pDevice->opensl);
queue.locatorType = SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE;
if (pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex) {
ma_SLDataFormat_PCM pcm;
SLDataLocator_IODevice locatorDevice;
SLDataSource source;
SLDataSink sink;
SLAndroidConfigurationItf pRecorderConfig;
ma_SLDataFormat_PCM_init__opensl(pDescriptorCapture->format, pDescriptorCapture->channels, pDescriptorCapture->sampleRate, pDescriptorCapture->channelMap, &pcm);
locatorDevice.locatorType = SL_DATALOCATOR_IODEVICE;
locatorDevice.deviceType = SL_IODEVICE_AUDIOINPUT;
locatorDevice.deviceID = SL_DEFAULTDEVICEID_AUDIOINPUT;
locatorDevice.device = NULL;
source.pLocator = &locatorDevice;
source.pFormat = NULL;
queue.numBuffers = pDescriptorCapture->periodCount;
sink.pLocator = &queue;
sink.pFormat = (SLDataFormat_PCM*)&pcm;
resultSL = (*g_maEngineSL)->CreateAudioRecorder(g_maEngineSL, (SLObjectItf*)&pDevice->opensl.pAudioRecorderObj, &source, &sink, ma_countof(itfIDs), itfIDs, itfIDsRequired);
if (resultSL == SL_RESULT_CONTENT_UNSUPPORTED || resultSL == SL_RESULT_PARAMETER_INVALID) {
pcm.formatType = SL_DATAFORMAT_PCM;
pcm.numChannels = 1;
((SLDataFormat_PCM*)&pcm)->samplesPerSec = SL_SAMPLINGRATE_16;
pcm.bitsPerSample = 16;
pcm.containerSize = pcm.bitsPerSample;
pcm.channelMask = 0;
resultSL = (*g_maEngineSL)->CreateAudioRecorder(g_maEngineSL, (SLObjectItf*)&pDevice->opensl.pAudioRecorderObj, &source, &sink, ma_countof(itfIDs), itfIDs, itfIDsRequired);
}
if (resultSL != SL_RESULT_SUCCESS) {
ma_device_uninit__opensl(pDevice);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[OpenSL] Failed to create audio recorder.");
return ma_result_from_OpenSL(resultSL);
}
if (pConfig->opensl.recordingPreset != ma_opensl_recording_preset_default) {
resultSL = MA_OPENSL_OBJ(pDevice->opensl.pAudioRecorderObj)->GetInterface((SLObjectItf)pDevice->opensl.pAudioRecorderObj, (SLInterfaceID)pDevice->pContext->opensl.SL_IID_ANDROIDCONFIGURATION, &pRecorderConfig);
if (resultSL == SL_RESULT_SUCCESS) {
SLint32 recordingPreset = ma_to_recording_preset__opensl(pConfig->opensl.recordingPreset);
resultSL = (*pRecorderConfig)->SetConfiguration(pRecorderConfig, SL_ANDROID_KEY_RECORDING_PRESET, &recordingPreset, sizeof(SLint32));
if (resultSL != SL_RESULT_SUCCESS) {
}
}
}
resultSL = MA_OPENSL_OBJ(pDevice->opensl.pAudioRecorderObj)->Realize((SLObjectItf)pDevice->opensl.pAudioRecorderObj, SL_BOOLEAN_FALSE);
if (resultSL != SL_RESULT_SUCCESS) {
ma_device_uninit__opensl(pDevice);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[OpenSL] Failed to realize audio recorder.");
return ma_result_from_OpenSL(resultSL);
}
resultSL = MA_OPENSL_OBJ(pDevice->opensl.pAudioRecorderObj)->GetInterface((SLObjectItf)pDevice->opensl.pAudioRecorderObj, (SLInterfaceID)pDevice->pContext->opensl.SL_IID_RECORD, &pDevice->opensl.pAudioRecorder);
if (resultSL != SL_RESULT_SUCCESS) {
ma_device_uninit__opensl(pDevice);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[OpenSL] Failed to retrieve SL_IID_RECORD interface.");
return ma_result_from_OpenSL(resultSL);
}
resultSL = MA_OPENSL_OBJ(pDevice->opensl.pAudioRecorderObj)->GetInterface((SLObjectItf)pDevice->opensl.pAudioRecorderObj, (SLInterfaceID)pDevice->pContext->opensl.SL_IID_ANDROIDSIMPLEBUFFERQUEUE, &pDevice->opensl.pBufferQueueCapture);
if (resultSL != SL_RESULT_SUCCESS) {
ma_device_uninit__opensl(pDevice);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[OpenSL] Failed to retrieve SL_IID_ANDROIDSIMPLEBUFFERQUEUE interface.");
return ma_result_from_OpenSL(resultSL);
}
resultSL = MA_OPENSL_BUFFERQUEUE(pDevice->opensl.pBufferQueueCapture)->RegisterCallback((SLAndroidSimpleBufferQueueItf)pDevice->opensl.pBufferQueueCapture, ma_buffer_queue_callback_capture__opensl_android, pDevice);
if (resultSL != SL_RESULT_SUCCESS) {
ma_device_uninit__opensl(pDevice);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[OpenSL] Failed to register buffer queue callback.");
return ma_result_from_OpenSL(resultSL);
}
ma_deconstruct_SLDataFormat_PCM__opensl(&pcm, &pDescriptorCapture->format, &pDescriptorCapture->channels, &pDescriptorCapture->sampleRate, pDescriptorCapture->channelMap, ma_countof(pDescriptorCapture->channelMap));
pDescriptorCapture->periodSizeInFrames = ma_calculate_buffer_size_in_frames_from_descriptor(pDescriptorCapture, pDescriptorCapture->sampleRate, pConfig->performanceProfile);
pDevice->opensl.currentBufferIndexCapture = 0;
bufferSizeInBytes = pDescriptorCapture->periodSizeInFrames * ma_get_bytes_per_frame(pDescriptorCapture->format, pDescriptorCapture->channels) * pDescriptorCapture->periodCount;
pDevice->opensl.pBufferCapture = (ma_uint8*)ma_calloc(bufferSizeInBytes, &pDevice->pContext->allocationCallbacks);
if (pDevice->opensl.pBufferCapture == NULL) {
ma_device_uninit__opensl(pDevice);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[OpenSL] Failed to allocate memory for data buffer.");
return MA_OUT_OF_MEMORY;
}
MA_ZERO_MEMORY(pDevice->opensl.pBufferCapture, bufferSizeInBytes);
}
if (pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex) {
ma_SLDataFormat_PCM pcm;
SLDataSource source;
SLDataLocator_OutputMix outmixLocator;
SLDataSink sink;
SLAndroidConfigurationItf pPlayerConfig;
ma_SLDataFormat_PCM_init__opensl(pDescriptorPlayback->format, pDescriptorPlayback->channels, pDescriptorPlayback->sampleRate, pDescriptorPlayback->channelMap, &pcm);
resultSL = (*g_maEngineSL)->CreateOutputMix(g_maEngineSL, (SLObjectItf*)&pDevice->opensl.pOutputMixObj, 0, NULL, NULL);
if (resultSL != SL_RESULT_SUCCESS) {
ma_device_uninit__opensl(pDevice);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[OpenSL] Failed to create output mix.");
return ma_result_from_OpenSL(resultSL);
}
resultSL = MA_OPENSL_OBJ(pDevice->opensl.pOutputMixObj)->Realize((SLObjectItf)pDevice->opensl.pOutputMixObj, SL_BOOLEAN_FALSE);
if (resultSL != SL_RESULT_SUCCESS) {
ma_device_uninit__opensl(pDevice);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[OpenSL] Failed to realize output mix object.");
return ma_result_from_OpenSL(resultSL);
}
resultSL = MA_OPENSL_OBJ(pDevice->opensl.pOutputMixObj)->GetInterface((SLObjectItf)pDevice->opensl.pOutputMixObj, (SLInterfaceID)pDevice->pContext->opensl.SL_IID_OUTPUTMIX, &pDevice->opensl.pOutputMix);
if (resultSL != SL_RESULT_SUCCESS) {
ma_device_uninit__opensl(pDevice);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[OpenSL] Failed to retrieve SL_IID_OUTPUTMIX interface.");
return ma_result_from_OpenSL(resultSL);
}
if (pDescriptorPlayback->pDeviceID != NULL) {
SLuint32 deviceID_OpenSL = pDescriptorPlayback->pDeviceID->opensl;
MA_OPENSL_OUTPUTMIX(pDevice->opensl.pOutputMix)->ReRoute((SLOutputMixItf)pDevice->opensl.pOutputMix, 1, &deviceID_OpenSL);
}
queue.numBuffers = pDescriptorPlayback->periodCount;
source.pLocator = &queue;
source.pFormat = (SLDataFormat_PCM*)&pcm;
outmixLocator.locatorType = SL_DATALOCATOR_OUTPUTMIX;
outmixLocator.outputMix = (SLObjectItf)pDevice->opensl.pOutputMixObj;
sink.pLocator = &outmixLocator;
sink.pFormat = NULL;
resultSL = (*g_maEngineSL)->CreateAudioPlayer(g_maEngineSL, (SLObjectItf*)&pDevice->opensl.pAudioPlayerObj, &source, &sink, ma_countof(itfIDs), itfIDs, itfIDsRequired);
if (resultSL == SL_RESULT_CONTENT_UNSUPPORTED || resultSL == SL_RESULT_PARAMETER_INVALID) {
pcm.formatType = SL_DATAFORMAT_PCM;
pcm.numChannels = 2;
((SLDataFormat_PCM*)&pcm)->samplesPerSec = SL_SAMPLINGRATE_16;
pcm.bitsPerSample = 16;
pcm.containerSize = pcm.bitsPerSample;
pcm.channelMask = SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT;
resultSL = (*g_maEngineSL)->CreateAudioPlayer(g_maEngineSL, (SLObjectItf*)&pDevice->opensl.pAudioPlayerObj, &source, &sink, ma_countof(itfIDs), itfIDs, itfIDsRequired);
}
if (resultSL != SL_RESULT_SUCCESS) {
ma_device_uninit__opensl(pDevice);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[OpenSL] Failed to create audio player.");
return ma_result_from_OpenSL(resultSL);
}
if (pConfig->opensl.streamType != ma_opensl_stream_type_default) {
resultSL = MA_OPENSL_OBJ(pDevice->opensl.pAudioPlayerObj)->GetInterface((SLObjectItf)pDevice->opensl.pAudioPlayerObj, (SLInterfaceID)pDevice->pContext->opensl.SL_IID_ANDROIDCONFIGURATION, &pPlayerConfig);
if (resultSL == SL_RESULT_SUCCESS) {
SLint32 streamType = ma_to_stream_type__opensl(pConfig->opensl.streamType);
resultSL = (*pPlayerConfig)->SetConfiguration(pPlayerConfig, SL_ANDROID_KEY_STREAM_TYPE, &streamType, sizeof(SLint32));
if (resultSL != SL_RESULT_SUCCESS) {
}
}
}
resultSL = MA_OPENSL_OBJ(pDevice->opensl.pAudioPlayerObj)->Realize((SLObjectItf)pDevice->opensl.pAudioPlayerObj, SL_BOOLEAN_FALSE);
if (resultSL != SL_RESULT_SUCCESS) {
ma_device_uninit__opensl(pDevice);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[OpenSL] Failed to realize audio player.");
return ma_result_from_OpenSL(resultSL);
}
resultSL = MA_OPENSL_OBJ(pDevice->opensl.pAudioPlayerObj)->GetInterface((SLObjectItf)pDevice->opensl.pAudioPlayerObj, (SLInterfaceID)pDevice->pContext->opensl.SL_IID_PLAY, &pDevice->opensl.pAudioPlayer);
if (resultSL != SL_RESULT_SUCCESS) {
ma_device_uninit__opensl(pDevice);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[OpenSL] Failed to retrieve SL_IID_PLAY interface.");
return ma_result_from_OpenSL(resultSL);
}
resultSL = MA_OPENSL_OBJ(pDevice->opensl.pAudioPlayerObj)->GetInterface((SLObjectItf)pDevice->opensl.pAudioPlayerObj, (SLInterfaceID)pDevice->pContext->opensl.SL_IID_ANDROIDSIMPLEBUFFERQUEUE, &pDevice->opensl.pBufferQueuePlayback);
if (resultSL != SL_RESULT_SUCCESS) {
ma_device_uninit__opensl(pDevice);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[OpenSL] Failed to retrieve SL_IID_ANDROIDSIMPLEBUFFERQUEUE interface.");
return ma_result_from_OpenSL(resultSL);
}
resultSL = MA_OPENSL_BUFFERQUEUE(pDevice->opensl.pBufferQueuePlayback)->RegisterCallback((SLAndroidSimpleBufferQueueItf)pDevice->opensl.pBufferQueuePlayback, ma_buffer_queue_callback_playback__opensl_android, pDevice);
if (resultSL != SL_RESULT_SUCCESS) {
ma_device_uninit__opensl(pDevice);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[OpenSL] Failed to register buffer queue callback.");
return ma_result_from_OpenSL(resultSL);
}
ma_deconstruct_SLDataFormat_PCM__opensl(&pcm, &pDescriptorPlayback->format, &pDescriptorPlayback->channels, &pDescriptorPlayback->sampleRate, pDescriptorPlayback->channelMap, ma_countof(pDescriptorPlayback->channelMap));
pDescriptorPlayback->periodSizeInFrames = ma_calculate_buffer_size_in_frames_from_descriptor(pDescriptorPlayback, pDescriptorPlayback->sampleRate, pConfig->performanceProfile);
pDevice->opensl.currentBufferIndexPlayback = 0;
bufferSizeInBytes = pDescriptorPlayback->periodSizeInFrames * ma_get_bytes_per_frame(pDescriptorPlayback->format, pDescriptorPlayback->channels) * pDescriptorPlayback->periodCount;
pDevice->opensl.pBufferPlayback = (ma_uint8*)ma_calloc(bufferSizeInBytes, &pDevice->pContext->allocationCallbacks);
if (pDevice->opensl.pBufferPlayback == NULL) {
ma_device_uninit__opensl(pDevice);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[OpenSL] Failed to allocate memory for data buffer.");
return MA_OUT_OF_MEMORY;
}
MA_ZERO_MEMORY(pDevice->opensl.pBufferPlayback, bufferSizeInBytes);
}
return MA_SUCCESS;
#else
return MA_NO_BACKEND;
#endif
}
static ma_result ma_device_start__opensl(ma_device* pDevice)
{
SLresult resultSL;
size_t periodSizeInBytes;
ma_uint32 iPeriod;
MA_ASSERT(pDevice != NULL);
MA_ASSERT(g_maOpenSLInitCounter > 0);
if (g_maOpenSLInitCounter == 0) {
return MA_INVALID_OPERATION;
}
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
resultSL = MA_OPENSL_RECORD(pDevice->opensl.pAudioRecorder)->SetRecordState((SLRecordItf)pDevice->opensl.pAudioRecorder, SL_RECORDSTATE_RECORDING);
if (resultSL != SL_RESULT_SUCCESS) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[OpenSL] Failed to start internal capture device.");
return ma_result_from_OpenSL(resultSL);
}
periodSizeInBytes = pDevice->capture.internalPeriodSizeInFrames * ma_get_bytes_per_frame(pDevice->capture.internalFormat, pDevice->capture.internalChannels);
for (iPeriod = 0; iPeriod < pDevice->capture.internalPeriods; ++iPeriod) {
resultSL = MA_OPENSL_BUFFERQUEUE(pDevice->opensl.pBufferQueueCapture)->Enqueue((SLAndroidSimpleBufferQueueItf)pDevice->opensl.pBufferQueueCapture, pDevice->opensl.pBufferCapture + (periodSizeInBytes * iPeriod), periodSizeInBytes);
if (resultSL != SL_RESULT_SUCCESS) {
MA_OPENSL_RECORD(pDevice->opensl.pAudioRecorder)->SetRecordState((SLRecordItf)pDevice->opensl.pAudioRecorder, SL_RECORDSTATE_STOPPED);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[OpenSL] Failed to enqueue buffer for capture device.");
return ma_result_from_OpenSL(resultSL);
}
}
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
resultSL = MA_OPENSL_PLAY(pDevice->opensl.pAudioPlayer)->SetPlayState((SLPlayItf)pDevice->opensl.pAudioPlayer, SL_PLAYSTATE_PLAYING);
if (resultSL != SL_RESULT_SUCCESS) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[OpenSL] Failed to start internal playback device.");
return ma_result_from_OpenSL(resultSL);
}
if (pDevice->type == ma_device_type_duplex) {
MA_ZERO_MEMORY(pDevice->opensl.pBufferPlayback, pDevice->playback.internalPeriodSizeInFrames * pDevice->playback.internalPeriods * ma_get_bytes_per_frame(pDevice->playback.internalFormat, pDevice->playback.internalChannels));
} else {
ma_device__read_frames_from_client(pDevice, pDevice->playback.internalPeriodSizeInFrames * pDevice->playback.internalPeriods, pDevice->opensl.pBufferPlayback);
}
periodSizeInBytes = pDevice->playback.internalPeriodSizeInFrames * ma_get_bytes_per_frame(pDevice->playback.internalFormat, pDevice->playback.internalChannels);
for (iPeriod = 0; iPeriod < pDevice->playback.internalPeriods; ++iPeriod) {
resultSL = MA_OPENSL_BUFFERQUEUE(pDevice->opensl.pBufferQueuePlayback)->Enqueue((SLAndroidSimpleBufferQueueItf)pDevice->opensl.pBufferQueuePlayback, pDevice->opensl.pBufferPlayback + (periodSizeInBytes * iPeriod), periodSizeInBytes);
if (resultSL != SL_RESULT_SUCCESS) {
MA_OPENSL_PLAY(pDevice->opensl.pAudioPlayer)->SetPlayState((SLPlayItf)pDevice->opensl.pAudioPlayer, SL_PLAYSTATE_STOPPED);
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[OpenSL] Failed to enqueue buffer for playback device.");
return ma_result_from_OpenSL(resultSL);
}
}
}
return MA_SUCCESS;
}
static ma_result ma_device_drain__opensl(ma_device* pDevice, ma_device_type deviceType)
{
SLAndroidSimpleBufferQueueItf pBufferQueue;
MA_ASSERT(deviceType == ma_device_type_capture || deviceType == ma_device_type_playback);
if (pDevice->type == ma_device_type_capture) {
pBufferQueue = (SLAndroidSimpleBufferQueueItf)pDevice->opensl.pBufferQueueCapture;
pDevice->opensl.isDrainingCapture = MA_TRUE;
} else {
pBufferQueue = (SLAndroidSimpleBufferQueueItf)pDevice->opensl.pBufferQueuePlayback;
pDevice->opensl.isDrainingPlayback = MA_TRUE;
}
for (;;) {
SLAndroidSimpleBufferQueueState state;
MA_OPENSL_BUFFERQUEUE(pBufferQueue)->GetState(pBufferQueue, &state);
if (state.count == 0) {
break;
}
ma_sleep(10);
}
if (pDevice->type == ma_device_type_capture) {
pDevice->opensl.isDrainingCapture = MA_FALSE;
} else {
pDevice->opensl.isDrainingPlayback = MA_FALSE;
}
return MA_SUCCESS;
}
static ma_result ma_device_stop__opensl(ma_device* pDevice)
{
SLresult resultSL;
MA_ASSERT(pDevice != NULL);
MA_ASSERT(g_maOpenSLInitCounter > 0);
if (g_maOpenSLInitCounter == 0) {
return MA_INVALID_OPERATION;
}
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex) {
ma_device_drain__opensl(pDevice, ma_device_type_capture);
resultSL = MA_OPENSL_RECORD(pDevice->opensl.pAudioRecorder)->SetRecordState((SLRecordItf)pDevice->opensl.pAudioRecorder, SL_RECORDSTATE_STOPPED);
if (resultSL != SL_RESULT_SUCCESS) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[OpenSL] Failed to stop internal capture device.");
return ma_result_from_OpenSL(resultSL);
}
MA_OPENSL_BUFFERQUEUE(pDevice->opensl.pBufferQueueCapture)->Clear((SLAndroidSimpleBufferQueueItf)pDevice->opensl.pBufferQueueCapture);
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
ma_device_drain__opensl(pDevice, ma_device_type_playback);
resultSL = MA_OPENSL_PLAY(pDevice->opensl.pAudioPlayer)->SetPlayState((SLPlayItf)pDevice->opensl.pAudioPlayer, SL_PLAYSTATE_STOPPED);
if (resultSL != SL_RESULT_SUCCESS) {
ma_log_post(ma_device_get_log(pDevice), MA_LOG_LEVEL_ERROR, "[OpenSL] Failed to stop internal playback device.");
return ma_result_from_OpenSL(resultSL);
}
MA_OPENSL_BUFFERQUEUE(pDevice->opensl.pBufferQueuePlayback)->Clear((SLAndroidSimpleBufferQueueItf)pDevice->opensl.pBufferQueuePlayback);
}
ma_device__on_notification_stopped(pDevice);
return MA_SUCCESS;
}
static ma_result ma_context_uninit__opensl(ma_context* pContext)
{
MA_ASSERT(pContext != NULL);
MA_ASSERT(pContext->backend == ma_backend_opensl);
(void)pContext;
ma_spinlock_lock(&g_maOpenSLSpinlock);
{
MA_ASSERT(g_maOpenSLInitCounter > 0);
g_maOpenSLInitCounter -= 1;
if (g_maOpenSLInitCounter == 0) {
(*g_maEngineObjectSL)->Destroy(g_maEngineObjectSL);
}
}
ma_spinlock_unlock(&g_maOpenSLSpinlock);
return MA_SUCCESS;
}
static ma_result ma_dlsym_SLInterfaceID__opensl(ma_context* pContext, const char* pName, ma_handle* pHandle)
{
ma_handle* p = (ma_handle*)ma_dlsym(ma_context_get_log(pContext), pContext->opensl.libOpenSLES, pName);
if (p == NULL) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_INFO, "[OpenSL] Cannot find symbol %s", pName);
return MA_NO_BACKEND;
}
*pHandle = *p;
return MA_SUCCESS;
}
static ma_result ma_context_init_engine_nolock__opensl(ma_context* pContext)
{
g_maOpenSLInitCounter += 1;
if (g_maOpenSLInitCounter == 1) {
SLresult resultSL;
resultSL = ((ma_slCreateEngine_proc)pContext->opensl.slCreateEngine)(&g_maEngineObjectSL, 0, NULL, 0, NULL, NULL);
if (resultSL != SL_RESULT_SUCCESS) {
g_maOpenSLInitCounter -= 1;
return ma_result_from_OpenSL(resultSL);
}
(*g_maEngineObjectSL)->Realize(g_maEngineObjectSL, SL_BOOLEAN_FALSE);
resultSL = (*g_maEngineObjectSL)->GetInterface(g_maEngineObjectSL, (SLInterfaceID)pContext->opensl.SL_IID_ENGINE, &g_maEngineSL);
if (resultSL != SL_RESULT_SUCCESS) {
(*g_maEngineObjectSL)->Destroy(g_maEngineObjectSL);
g_maOpenSLInitCounter -= 1;
return ma_result_from_OpenSL(resultSL);
}
}
return MA_SUCCESS;
}
static ma_result ma_context_init__opensl(ma_context* pContext, const ma_context_config* pConfig, ma_backend_callbacks* pCallbacks)
{
ma_result result;
#if !defined(MA_NO_RUNTIME_LINKING)
size_t i;
const char* libOpenSLESNames[] = {
"libOpenSLES.so"
};
#endif
MA_ASSERT(pContext != NULL);
(void)pConfig;
#if !defined(MA_NO_RUNTIME_LINKING)
for (i = 0; i < ma_countof(libOpenSLESNames); i += 1) {
pContext->opensl.libOpenSLES = ma_dlopen(ma_context_get_log(pContext), libOpenSLESNames[i]);
if (pContext->opensl.libOpenSLES != NULL) {
break;
}
}
if (pContext->opensl.libOpenSLES == NULL) {
ma_log_post(ma_context_get_log(pContext), MA_LOG_LEVEL_INFO, "[OpenSL] Could not find libOpenSLES.so");
return MA_NO_BACKEND;
}
result = ma_dlsym_SLInterfaceID__opensl(pContext, "SL_IID_ENGINE", &pContext->opensl.SL_IID_ENGINE);
if (result != MA_SUCCESS) {
ma_dlclose(ma_context_get_log(pContext), pContext->opensl.libOpenSLES);
return result;
}
result = ma_dlsym_SLInterfaceID__opensl(pContext, "SL_IID_AUDIOIODEVICECAPABILITIES", &pContext->opensl.SL_IID_AUDIOIODEVICECAPABILITIES);
if (result != MA_SUCCESS) {
ma_dlclose(ma_context_get_log(pContext), pContext->opensl.libOpenSLES);
return result;
}
result = ma_dlsym_SLInterfaceID__opensl(pContext, "SL_IID_ANDROIDSIMPLEBUFFERQUEUE", &pContext->opensl.SL_IID_ANDROIDSIMPLEBUFFERQUEUE);
if (result != MA_SUCCESS) {
ma_dlclose(ma_context_get_log(pContext), pContext->opensl.libOpenSLES);
return result;
}
result = ma_dlsym_SLInterfaceID__opensl(pContext, "SL_IID_RECORD", &pContext->opensl.SL_IID_RECORD);
if (result != MA_SUCCESS) {
ma_dlclose(ma_context_get_log(pContext), pContext->opensl.libOpenSLES);
return result;
}
result = ma_dlsym_SLInterfaceID__opensl(pContext, "SL_IID_PLAY", &pContext->opensl.SL_IID_PLAY);
if (result != MA_SUCCESS) {
ma_dlclose(ma_context_get_log(pContext), pContext->opensl.libOpenSLES);
return result;
}
result = ma_dlsym_SLInterfaceID__opensl(pContext, "SL_IID_OUTPUTMIX", &pContext->opensl.SL_IID_OUTPUTMIX);
if (result != MA_SUCCESS) {
ma_dlclose(ma_context_get_log(pContext), pContext->opensl.libOpenSLES);
return result;
}
result = ma_dlsym_SLInterfaceID__opensl(pContext, "SL_IID_ANDROIDCONFIGURATION", &pContext->opensl.SL_IID_ANDROIDCONFIGURATION);
if (result != MA_SUCCESS) {
ma_dlclose(ma_context_get_log(pContext), pContext->opensl.libOpenSLES);
return result;
}
pContext->opensl.slCreateEngine = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->opensl.libOpenSLES, "slCreateEngine");
if (pContext->opensl.slCreateEngine == NULL) {
ma_dlclose(ma_context_get_log(pContext), pContext->opensl.libOpenSLES);
ma_log_post(ma_context_get_log(pContext), MA_LOG_LEVEL_INFO, "[OpenSL] Cannot find symbol slCreateEngine.");
return MA_NO_BACKEND;
}
#else
pContext->opensl.SL_IID_ENGINE = (ma_handle)SL_IID_ENGINE;
pContext->opensl.SL_IID_AUDIOIODEVICECAPABILITIES = (ma_handle)SL_IID_AUDIOIODEVICECAPABILITIES;
pContext->opensl.SL_IID_ANDROIDSIMPLEBUFFERQUEUE = (ma_handle)SL_IID_ANDROIDSIMPLEBUFFERQUEUE;
pContext->opensl.SL_IID_RECORD = (ma_handle)SL_IID_RECORD;
pContext->opensl.SL_IID_PLAY = (ma_handle)SL_IID_PLAY;
pContext->opensl.SL_IID_OUTPUTMIX = (ma_handle)SL_IID_OUTPUTMIX;
pContext->opensl.SL_IID_ANDROIDCONFIGURATION = (ma_handle)SL_IID_ANDROIDCONFIGURATION;
pContext->opensl.slCreateEngine = (ma_proc)slCreateEngine;
#endif
ma_spinlock_lock(&g_maOpenSLSpinlock);
{
result = ma_context_init_engine_nolock__opensl(pContext);
}
ma_spinlock_unlock(&g_maOpenSLSpinlock);
if (result != MA_SUCCESS) {
ma_dlclose(ma_context_get_log(pContext), pContext->opensl.libOpenSLES);
ma_log_post(ma_context_get_log(pContext), MA_LOG_LEVEL_INFO, "[OpenSL] Failed to initialize OpenSL engine.");
return result;
}
pCallbacks->onContextInit = ma_context_init__opensl;
pCallbacks->onContextUninit = ma_context_uninit__opensl;
pCallbacks->onContextEnumerateDevices = ma_context_enumerate_devices__opensl;
pCallbacks->onContextGetDeviceInfo = ma_context_get_device_info__opensl;
pCallbacks->onDeviceInit = ma_device_init__opensl;
pCallbacks->onDeviceUninit = ma_device_uninit__opensl;
pCallbacks->onDeviceStart = ma_device_start__opensl;
pCallbacks->onDeviceStop = ma_device_stop__opensl;
pCallbacks->onDeviceRead = NULL;
pCallbacks->onDeviceWrite = NULL;
pCallbacks->onDeviceDataLoop = NULL;
return MA_SUCCESS;
}
#endif
#ifdef MA_HAS_WEBAUDIO
#include <emscripten/emscripten.h>
#if (__EMSCRIPTEN_major__ > 3) || (__EMSCRIPTEN_major__ == 3 && (__EMSCRIPTEN_minor__ > 1 || (__EMSCRIPTEN_minor__ == 1 && __EMSCRIPTEN_tiny__ >= 32)))
#include <emscripten/webaudio.h>
#define MA_SUPPORT_AUDIO_WORKLETS
#if (__EMSCRIPTEN_major__ > 3) || (__EMSCRIPTEN_major__ == 3 && (__EMSCRIPTEN_minor__ > 1 || (__EMSCRIPTEN_minor__ == 1 && __EMSCRIPTEN_tiny__ >= 70)))
#define MA_SUPPORT_AUDIO_WORKLETS_VARIABLE_BUFFER_SIZE
#endif
#endif
#if defined(MA_ENABLE_AUDIO_WORKLETS) && defined(MA_SUPPORT_AUDIO_WORKLETS)
#define MA_USE_AUDIO_WORKLETS
#endif
#ifndef MA_AUDIO_WORKLETS_THREAD_STACK_SIZE
#define MA_AUDIO_WORKLETS_THREAD_STACK_SIZE 131072
#endif
#if defined(MA_USE_AUDIO_WORKLETS)
#define MA_WEBAUDIO_LATENCY_HINT_BALANCED "balanced"
#define MA_WEBAUDIO_LATENCY_HINT_INTERACTIVE "interactive"
#define MA_WEBAUDIO_LATENCY_HINT_PLAYBACK "playback"
#endif
static ma_bool32 ma_is_capture_supported__webaudio()
{
return EM_ASM_INT({
return (navigator.mediaDevices !== undefined && navigator.mediaDevices.getUserMedia !== undefined);
}, 0) != 0;
}
#ifdef __cplusplus
extern "C" {
#endif
void* EMSCRIPTEN_KEEPALIVE ma_malloc_emscripten(size_t sz, const ma_allocation_callbacks* pAllocationCallbacks)
{
return ma_malloc(sz, pAllocationCallbacks);
}
void EMSCRIPTEN_KEEPALIVE ma_free_emscripten(void* p, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_free(p, pAllocationCallbacks);
}
void EMSCRIPTEN_KEEPALIVE ma_device_process_pcm_frames_capture__webaudio(ma_device* pDevice, int frameCount, float* pFrames)
{
ma_device_handle_backend_data_callback(pDevice, NULL, pFrames, (ma_uint32)frameCount);
}
void EMSCRIPTEN_KEEPALIVE ma_device_process_pcm_frames_playback__webaudio(ma_device* pDevice, int frameCount, float* pFrames)
{
ma_device_handle_backend_data_callback(pDevice, pFrames, NULL, (ma_uint32)frameCount);
}
#ifdef __cplusplus
}
#endif
static ma_result ma_context_enumerate_devices__webaudio(ma_context* pContext, ma_enum_devices_callback_proc callback, void* pUserData)
{
ma_bool32 cbResult = MA_TRUE;
MA_ASSERT(pContext != NULL);
MA_ASSERT(callback != NULL);
if (cbResult) {
ma_device_info deviceInfo;
MA_ZERO_OBJECT(&deviceInfo);
ma_strncpy_s(deviceInfo.name, sizeof(deviceInfo.name), MA_DEFAULT_PLAYBACK_DEVICE_NAME, (size_t)-1);
deviceInfo.isDefault = MA_TRUE;
cbResult = callback(pContext, ma_device_type_playback, &deviceInfo, pUserData);
}
if (cbResult) {
if (ma_is_capture_supported__webaudio()) {
ma_device_info deviceInfo;
MA_ZERO_OBJECT(&deviceInfo);
ma_strncpy_s(deviceInfo.name, sizeof(deviceInfo.name), MA_DEFAULT_CAPTURE_DEVICE_NAME, (size_t)-1);
deviceInfo.isDefault = MA_TRUE;
cbResult = callback(pContext, ma_device_type_capture, &deviceInfo, pUserData);
}
}
return MA_SUCCESS;
}
static ma_result ma_context_get_device_info__webaudio(ma_context* pContext, ma_device_type deviceType, const ma_device_id* pDeviceID, ma_device_info* pDeviceInfo)
{
MA_ASSERT(pContext != NULL);
if (deviceType == ma_device_type_capture && !ma_is_capture_supported__webaudio()) {
return MA_NO_DEVICE;
}
MA_ZERO_MEMORY(pDeviceInfo->id.webaudio, sizeof(pDeviceInfo->id.webaudio));
(void)pDeviceID;
if (deviceType == ma_device_type_playback) {
ma_strncpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), MA_DEFAULT_PLAYBACK_DEVICE_NAME, (size_t)-1);
} else {
ma_strncpy_s(pDeviceInfo->name, sizeof(pDeviceInfo->name), MA_DEFAULT_CAPTURE_DEVICE_NAME, (size_t)-1);
}
pDeviceInfo->isDefault = MA_TRUE;
pDeviceInfo->nativeDataFormats[0].flags = 0;
pDeviceInfo->nativeDataFormats[0].format = ma_format_unknown;
pDeviceInfo->nativeDataFormats[0].channels = 0;
pDeviceInfo->nativeDataFormats[0].sampleRate = EM_ASM_INT({
try {
var temp = new (window.AudioContext || window.webkitAudioContext)();
var sampleRate = temp.sampleRate;
temp.close();
return sampleRate;
} catch(e) {
return 0;
}
}, 0);
if (pDeviceInfo->nativeDataFormats[0].sampleRate == 0) {
return MA_NO_DEVICE;
}
pDeviceInfo->nativeDataFormatCount = 1;
return MA_SUCCESS;
}
static ma_result ma_device_uninit__webaudio(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
#if defined(MA_USE_AUDIO_WORKLETS)
{
EM_ASM({
var device = window.miniaudio.get_device_by_index($0);
if (device.streamNode !== undefined) {
device.streamNode.disconnect();
device.streamNode = undefined;
}
device.pDevice = undefined;
}, pDevice->webaudio.deviceIndex);
emscripten_destroy_web_audio_node(pDevice->webaudio.audioWorklet);
emscripten_destroy_audio_context(pDevice->webaudio.audioContext);
ma_free(pDevice->webaudio.pStackBuffer, &pDevice->pContext->allocationCallbacks);
}
#else
{
EM_ASM({
var device = window.miniaudio.get_device_by_index($0);
if (device.scriptNode !== undefined) {
device.scriptNode.onaudioprocess = function(e) {};
device.scriptNode.disconnect();
device.scriptNode = undefined;
}
if (device.streamNode !== undefined) {
device.streamNode.disconnect();
device.streamNode = undefined;
}
device.webaudio.close();
device.webaudio = undefined;
device.pDevice = undefined;
}, pDevice->webaudio.deviceIndex);
}
#endif
EM_ASM({
window.miniaudio.untrack_device_by_index($0);
}, pDevice->webaudio.deviceIndex);
ma_free(pDevice->webaudio.pIntermediaryBuffer, &pDevice->pContext->allocationCallbacks);
return MA_SUCCESS;
}
#if !defined(MA_USE_AUDIO_WORKLETS)
static ma_uint32 ma_calculate_period_size_in_frames_from_descriptor__webaudio(const ma_device_descriptor* pDescriptor, ma_uint32 nativeSampleRate, ma_performance_profile performanceProfile)
{
ma_uint32 periodSizeInFrames;
if (nativeSampleRate == 0) {
nativeSampleRate = MA_DEFAULT_SAMPLE_RATE;
}
if (pDescriptor->periodSizeInFrames == 0) {
if (pDescriptor->periodSizeInMilliseconds == 0) {
if (performanceProfile == ma_performance_profile_low_latency) {
periodSizeInFrames = ma_calculate_buffer_size_in_frames_from_milliseconds(33, nativeSampleRate);
} else {
periodSizeInFrames = ma_calculate_buffer_size_in_frames_from_milliseconds(333, nativeSampleRate);
}
} else {
periodSizeInFrames = ma_calculate_buffer_size_in_frames_from_milliseconds(pDescriptor->periodSizeInMilliseconds, nativeSampleRate);
}
} else {
periodSizeInFrames = pDescriptor->periodSizeInFrames;
}
if (periodSizeInFrames < 256) {
periodSizeInFrames = 256;
} else if (periodSizeInFrames > 16384) {
periodSizeInFrames = 16384;
} else {
periodSizeInFrames = ma_next_power_of_2(periodSizeInFrames);
}
return periodSizeInFrames;
}
#endif
#if defined(MA_USE_AUDIO_WORKLETS)
typedef struct
{
ma_device* pDevice;
const ma_device_config* pConfig;
ma_device_descriptor* pDescriptorPlayback;
ma_device_descriptor* pDescriptorCapture;
} ma_audio_worklet_thread_initialized_data;
static EM_BOOL ma_audio_worklet_process_callback__webaudio(int inputCount, const AudioSampleFrame* pInputs, int outputCount, AudioSampleFrame* pOutputs, int paramCount, const AudioParamFrame* pParams, void* pUserData)
{
ma_device* pDevice = (ma_device*)pUserData;
ma_uint32 frameCount;
(void)paramCount;
(void)pParams;
if (pDevice->type == ma_device_type_playback) {
frameCount = pDevice->playback.internalPeriodSizeInFrames;
} else {
frameCount = pDevice->capture.internalPeriodSizeInFrames;
}
if (ma_device_get_state(pDevice) != ma_device_state_started) {
for (int i = 0; i < outputCount; i += 1) {
MA_ZERO_MEMORY(pOutputs[i].data, pOutputs[i].numberOfChannels * frameCount * sizeof(float));
}
return EM_TRUE;
}
if (inputCount > 0) {
for (ma_uint32 iChannel = 0; iChannel < pDevice->capture.internalChannels; iChannel += 1) {
for (ma_uint32 iFrame = 0; iFrame < frameCount; iFrame += 1) {
pDevice->webaudio.pIntermediaryBuffer[iFrame*pDevice->capture.internalChannels + iChannel] = pInputs[0].data[frameCount*iChannel + iFrame];
}
}
ma_device_process_pcm_frames_capture__webaudio(pDevice, frameCount, pDevice->webaudio.pIntermediaryBuffer);
}
if (outputCount > 0) {
if (pDevice->type == ma_device_type_capture) {
for (int i = 0; i < outputCount; i += 1) {
MA_ZERO_MEMORY(pOutputs[i].data, pOutputs[i].numberOfChannels * frameCount * sizeof(float));
}
} else {
ma_device_process_pcm_frames_playback__webaudio(pDevice, frameCount, pDevice->webaudio.pIntermediaryBuffer);
for (ma_uint32 iChannel = 0; iChannel < pDevice->playback.internalChannels; iChannel += 1) {
for (ma_uint32 iFrame = 0; iFrame < frameCount; iFrame += 1) {
pOutputs[0].data[frameCount*iChannel + iFrame] = pDevice->webaudio.pIntermediaryBuffer[iFrame*pDevice->playback.internalChannels + iChannel];
}
}
for (int i = 1; i < outputCount; i += 1) {
MA_ZERO_MEMORY(pOutputs[i].data, pOutputs[i].numberOfChannels * frameCount * sizeof(float));
}
}
}
return EM_TRUE;
}
static void ma_audio_worklet_processor_created__webaudio(EMSCRIPTEN_WEBAUDIO_T audioContext, EM_BOOL success, void* pUserData)
{
ma_audio_worklet_thread_initialized_data* pParameters = (ma_audio_worklet_thread_initialized_data*)pUserData;
EmscriptenAudioWorkletNodeCreateOptions audioWorkletOptions;
int channels = 0;
size_t intermediaryBufferSizeInFrames;
int sampleRate;
if (success == EM_FALSE) {
pParameters->pDevice->webaudio.initResult = MA_ERROR;
ma_free(pParameters, &pParameters->pDevice->pContext->allocationCallbacks);
return;
}
MA_ZERO_OBJECT(&audioWorkletOptions);
if (pParameters->pConfig->deviceType == ma_device_type_capture) {
channels = (int)((pParameters->pDescriptorCapture->channels > 0) ? pParameters->pDescriptorCapture->channels : MA_DEFAULT_CHANNELS);
audioWorkletOptions.numberOfInputs = 1;
} else {
channels = (int)((pParameters->pDescriptorPlayback->channels > 0) ? pParameters->pDescriptorPlayback->channels : MA_DEFAULT_CHANNELS);
if (pParameters->pConfig->deviceType == ma_device_type_duplex) {
audioWorkletOptions.numberOfInputs = 1;
} else {
audioWorkletOptions.numberOfInputs = 0;
}
}
audioWorkletOptions.numberOfOutputs = 1;
audioWorkletOptions.outputChannelCounts = &channels;
#if defined(MA_SUPPORT_AUDIO_WORKLETS_VARIABLE_BUFFER_SIZE)
{
intermediaryBufferSizeInFrames = (size_t)emscripten_audio_context_quantum_size(audioContext);
}
#else
{
intermediaryBufferSizeInFrames = 128;
}
#endif
pParameters->pDevice->webaudio.pIntermediaryBuffer = (float*)ma_malloc(intermediaryBufferSizeInFrames * (ma_uint32)channels * sizeof(float), &pParameters->pDevice->pContext->allocationCallbacks);
if (pParameters->pDevice->webaudio.pIntermediaryBuffer == NULL) {
pParameters->pDevice->webaudio.initResult = MA_OUT_OF_MEMORY;
ma_free(pParameters, &pParameters->pDevice->pContext->allocationCallbacks);
return;
}
pParameters->pDevice->webaudio.audioWorklet = emscripten_create_wasm_audio_worklet_node(audioContext, "miniaudio", &audioWorkletOptions, &ma_audio_worklet_process_callback__webaudio, pParameters->pDevice);
if (pParameters->pConfig->deviceType == ma_device_type_capture || pParameters->pConfig->deviceType == ma_device_type_duplex) {
ma_result attachmentResult = (ma_result)EM_ASM_INT({
var getUserMediaResult = 0;
var audioWorklet = emscriptenGetAudioObject($0);
var audioContext = emscriptenGetAudioObject($1);
navigator.mediaDevices.getUserMedia({audio:true, video:false})
.then(function(stream) {
audioContext.streamNode = audioContext.createMediaStreamSource(stream);
audioContext.streamNode.connect(audioWorklet);
audioWorklet.connect(audioContext.destination);
getUserMediaResult = 0;
})
.catch(function(error) {
console.log("navigator.mediaDevices.getUserMedia Failed: " + error);
getUserMediaResult = -1;
});
return getUserMediaResult;
}, pParameters->pDevice->webaudio.audioWorklet, audioContext);
if (attachmentResult != MA_SUCCESS) {
ma_log_postf(ma_device_get_log(pParameters->pDevice), MA_LOG_LEVEL_ERROR, "Web Audio: Failed to connect capture node.");
emscripten_destroy_web_audio_node(pParameters->pDevice->webaudio.audioWorklet);
pParameters->pDevice->webaudio.initResult = attachmentResult;
ma_free(pParameters, &pParameters->pDevice->pContext->allocationCallbacks);
return;
}
}
if (pParameters->pConfig->deviceType == ma_device_type_playback) {
ma_result attachmentResult = (ma_result)EM_ASM_INT({
var audioWorklet = emscriptenGetAudioObject($0);
var audioContext = emscriptenGetAudioObject($1);
audioWorklet.connect(audioContext.destination);
return 0;
}, pParameters->pDevice->webaudio.audioWorklet, audioContext);
if (attachmentResult != MA_SUCCESS) {
ma_log_postf(ma_device_get_log(pParameters->pDevice), MA_LOG_LEVEL_ERROR, "Web Audio: Failed to connect playback node.");
pParameters->pDevice->webaudio.initResult = attachmentResult;
ma_free(pParameters, &pParameters->pDevice->pContext->allocationCallbacks);
return;
}
}
sampleRate = EM_ASM_INT({ return emscriptenGetAudioObject($0).sampleRate; }, audioContext);
if (pParameters->pDescriptorCapture != NULL) {
pParameters->pDescriptorCapture->format = ma_format_f32;
pParameters->pDescriptorCapture->channels = (ma_uint32)channels;
pParameters->pDescriptorCapture->sampleRate = (ma_uint32)sampleRate;
ma_channel_map_init_standard(ma_standard_channel_map_webaudio, pParameters->pDescriptorCapture->channelMap, ma_countof(pParameters->pDescriptorCapture->channelMap), pParameters->pDescriptorCapture->channels);
pParameters->pDescriptorCapture->periodSizeInFrames = intermediaryBufferSizeInFrames;
pParameters->pDescriptorCapture->periodCount = 1;
}
if (pParameters->pDescriptorPlayback != NULL) {
pParameters->pDescriptorPlayback->format = ma_format_f32;
pParameters->pDescriptorPlayback->channels = (ma_uint32)channels;
pParameters->pDescriptorPlayback->sampleRate = (ma_uint32)sampleRate;
ma_channel_map_init_standard(ma_standard_channel_map_webaudio, pParameters->pDescriptorPlayback->channelMap, ma_countof(pParameters->pDescriptorPlayback->channelMap), pParameters->pDescriptorPlayback->channels);
pParameters->pDescriptorPlayback->periodSizeInFrames = intermediaryBufferSizeInFrames;
pParameters->pDescriptorPlayback->periodCount = 1;
}
ma_log_postf(ma_device_get_log(pParameters->pDevice), MA_LOG_LEVEL_DEBUG, "AudioWorklets: Created worklet node: %d\n", pParameters->pDevice->webaudio.audioWorklet);
pParameters->pDevice->webaudio.initResult = MA_SUCCESS;
ma_free(pParameters, &pParameters->pDevice->pContext->allocationCallbacks);
}
static void ma_audio_worklet_thread_initialized__webaudio(EMSCRIPTEN_WEBAUDIO_T audioContext, EM_BOOL success, void* pUserData)
{
ma_audio_worklet_thread_initialized_data* pParameters = (ma_audio_worklet_thread_initialized_data*)pUserData;
WebAudioWorkletProcessorCreateOptions workletProcessorOptions;
MA_ASSERT(pParameters != NULL);
if (success == EM_FALSE) {
pParameters->pDevice->webaudio.initResult = MA_ERROR;
return;
}
MA_ZERO_OBJECT(&workletProcessorOptions);
workletProcessorOptions.name = "miniaudio";
emscripten_create_wasm_audio_worklet_processor_async(audioContext, &workletProcessorOptions, ma_audio_worklet_processor_created__webaudio, pParameters);
}
#endif
static ma_result ma_device_init__webaudio(ma_device* pDevice, const ma_device_config* pConfig, ma_device_descriptor* pDescriptorPlayback, ma_device_descriptor* pDescriptorCapture)
{
if (pConfig->deviceType == ma_device_type_loopback) {
return MA_DEVICE_TYPE_NOT_SUPPORTED;
}
if (((pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex) && pDescriptorPlayback->shareMode == ma_share_mode_exclusive) ||
((pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex) && pDescriptorCapture->shareMode == ma_share_mode_exclusive)) {
return MA_SHARE_MODE_NOT_SUPPORTED;
}
#if defined(MA_USE_AUDIO_WORKLETS)
{
EmscriptenWebAudioCreateAttributes audioContextAttributes;
ma_audio_worklet_thread_initialized_data* pInitParameters;
void* pStackBuffer;
if (pConfig->performanceProfile == ma_performance_profile_conservative) {
audioContextAttributes.latencyHint = MA_WEBAUDIO_LATENCY_HINT_PLAYBACK;
} else {
audioContextAttributes.latencyHint = MA_WEBAUDIO_LATENCY_HINT_INTERACTIVE;
}
if (pConfig->deviceType == ma_device_type_playback) {
audioContextAttributes.sampleRate = pDescriptorPlayback->sampleRate;
} else {
audioContextAttributes.sampleRate = 0;
}
pDevice->webaudio.audioContext = emscripten_create_audio_context(&audioContextAttributes);
pStackBuffer = ma_aligned_malloc(MA_AUDIO_WORKLETS_THREAD_STACK_SIZE, 16, &pDevice->pContext->allocationCallbacks);
if (pStackBuffer == NULL) {
emscripten_destroy_audio_context(pDevice->webaudio.audioContext);
return MA_OUT_OF_MEMORY;
}
pInitParameters = (ma_audio_worklet_thread_initialized_data*)ma_malloc(sizeof(*pInitParameters), &pDevice->pContext->allocationCallbacks);
if (pInitParameters == NULL) {
ma_free(pStackBuffer, &pDevice->pContext->allocationCallbacks);
emscripten_destroy_audio_context(pDevice->webaudio.audioContext);
return MA_OUT_OF_MEMORY;
}
pInitParameters->pDevice = pDevice;
pInitParameters->pConfig = pConfig;
pInitParameters->pDescriptorPlayback = pDescriptorPlayback;
pInitParameters->pDescriptorCapture = pDescriptorCapture;
pDevice->webaudio.initResult = MA_BUSY;
{
emscripten_start_wasm_audio_worklet_thread_async(pDevice->webaudio.audioContext, pStackBuffer, MA_AUDIO_WORKLETS_THREAD_STACK_SIZE, ma_audio_worklet_thread_initialized__webaudio, pInitParameters);
}
while (pDevice->webaudio.initResult == MA_BUSY) { emscripten_sleep(1); }
if (pDevice->webaudio.initResult != MA_SUCCESS) {
ma_free(pStackBuffer, &pDevice->pContext->allocationCallbacks);
emscripten_destroy_audio_context(pDevice->webaudio.audioContext);
return pDevice->webaudio.initResult;
}
pDevice->webaudio.deviceIndex = EM_ASM_INT({
return window.miniaudio.track_device({
webaudio: emscriptenGetAudioObject($0),
state: 1,
pDevice: $1
});
}, pDevice->webaudio.audioContext, pDevice);
return MA_SUCCESS;
}
#else
{
ma_uint32 deviceIndex;
ma_uint32 channels;
ma_uint32 sampleRate;
ma_uint32 periodSizeInFrames;
if (pConfig->deviceType == ma_device_type_capture) {
channels = (pDescriptorCapture->channels > 0) ? pDescriptorCapture->channels : MA_DEFAULT_CHANNELS;
} else {
channels = (pDescriptorPlayback->channels > 0) ? pDescriptorPlayback->channels : MA_DEFAULT_CHANNELS;
}
if (pConfig->deviceType == ma_device_type_playback) {
sampleRate = pDescriptorPlayback->sampleRate;
} else {
sampleRate = 0;
}
if (pConfig->deviceType == ma_device_type_capture) {
periodSizeInFrames = ma_calculate_period_size_in_frames_from_descriptor__webaudio(pDescriptorCapture, sampleRate, pConfig->performanceProfile);
} else {
periodSizeInFrames = ma_calculate_period_size_in_frames_from_descriptor__webaudio(pDescriptorPlayback, sampleRate, pConfig->performanceProfile);
}
pDevice->webaudio.pIntermediaryBuffer = (float*)ma_malloc(periodSizeInFrames * channels * sizeof(float), &pDevice->pContext->allocationCallbacks);
if (pDevice->webaudio.pIntermediaryBuffer == NULL) {
return MA_OUT_OF_MEMORY;
}
deviceIndex = EM_ASM_INT({
var deviceType = $0;
var channels = $1;
var sampleRate = $2;
var bufferSize = $3;
var pIntermediaryBuffer = $4;
var pDevice = $5;
if (typeof(window.miniaudio) === 'undefined') {
return -1;
}
var device = {};
var audioContextOptions = {};
if (deviceType == window.miniaudio.device_type.playback && sampleRate != 0) {
audioContextOptions.sampleRate = sampleRate;
}
device.webaudio = new (window.AudioContext || window.webkitAudioContext)(audioContextOptions);
device.webaudio.suspend();
device.state = window.miniaudio.device_state.stopped;
var channelCountIn = 0;
var channelCountOut = channels;
if (deviceType != window.miniaudio.device_type.playback) {
channelCountIn = channels;
}
device.scriptNode = device.webaudio.createScriptProcessor(bufferSize, channelCountIn, channelCountOut);
device.scriptNode.onaudioprocess = function(e) {
if (device.intermediaryBufferView == null || device.intermediaryBufferView.length == 0) {
device.intermediaryBufferView = new Float32Array(HEAPF32.buffer, pIntermediaryBuffer, bufferSize * channels);
}
if (deviceType == window.miniaudio.device_type.capture || deviceType == window.miniaudio.device_type.duplex) {
for (var iChannel = 0; iChannel < channels; iChannel += 1) {
var inputBuffer = e.inputBuffer.getChannelData(iChannel);
var intermediaryBuffer = device.intermediaryBufferView;
for (var iFrame = 0; iFrame < bufferSize; iFrame += 1) {
intermediaryBuffer[iFrame*channels + iChannel] = inputBuffer[iFrame];
}
}
_ma_device_process_pcm_frames_capture__webaudio(pDevice, bufferSize, pIntermediaryBuffer);
}
if (deviceType == window.miniaudio.device_type.playback || deviceType == window.miniaudio.device_type.duplex) {
_ma_device_process_pcm_frames_playback__webaudio(pDevice, bufferSize, pIntermediaryBuffer);
for (var iChannel = 0; iChannel < e.outputBuffer.numberOfChannels; ++iChannel) {
var outputBuffer = e.outputBuffer.getChannelData(iChannel);
var intermediaryBuffer = device.intermediaryBufferView;
for (var iFrame = 0; iFrame < bufferSize; iFrame += 1) {
outputBuffer[iFrame] = intermediaryBuffer[iFrame*channels + iChannel];
}
}
} else {
for (var iChannel = 0; iChannel < e.outputBuffer.numberOfChannels; ++iChannel) {
e.outputBuffer.getChannelData(iChannel).fill(0.0);
}
}
};
if (deviceType == window.miniaudio.device_type.capture || deviceType == window.miniaudio.device_type.duplex) {
navigator.mediaDevices.getUserMedia({audio:true, video:false})
.then(function(stream) {
device.streamNode = device.webaudio.createMediaStreamSource(stream);
device.streamNode.connect(device.scriptNode);
device.scriptNode.connect(device.webaudio.destination);
})
.catch(function(error) {
console.log("Failed to get user media: " + error);
});
}
if (deviceType == window.miniaudio.device_type.playback) {
device.scriptNode.connect(device.webaudio.destination);
}
device.pDevice = pDevice;
return window.miniaudio.track_device(device);
}, pConfig->deviceType, channels, sampleRate, periodSizeInFrames, pDevice->webaudio.pIntermediaryBuffer, pDevice);
if (deviceIndex < 0) {
return MA_FAILED_TO_OPEN_BACKEND_DEVICE;
}
pDevice->webaudio.deviceIndex = deviceIndex;
sampleRate = (ma_uint32)EM_ASM_INT({ return window.miniaudio.get_device_by_index($0).webaudio.sampleRate; }, deviceIndex);
if (pDescriptorCapture != NULL) {
pDescriptorCapture->format = ma_format_f32;
pDescriptorCapture->channels = channels;
pDescriptorCapture->sampleRate = sampleRate;
ma_channel_map_init_standard(ma_standard_channel_map_webaudio, pDescriptorCapture->channelMap, ma_countof(pDescriptorCapture->channelMap), pDescriptorCapture->channels);
pDescriptorCapture->periodSizeInFrames = periodSizeInFrames;
pDescriptorCapture->periodCount = 1;
}
if (pDescriptorPlayback != NULL) {
pDescriptorPlayback->format = ma_format_f32;
pDescriptorPlayback->channels = channels;
pDescriptorPlayback->sampleRate = sampleRate;
ma_channel_map_init_standard(ma_standard_channel_map_webaudio, pDescriptorPlayback->channelMap, ma_countof(pDescriptorPlayback->channelMap), pDescriptorPlayback->channels);
pDescriptorPlayback->periodSizeInFrames = periodSizeInFrames;
pDescriptorPlayback->periodCount = 1;
}
return MA_SUCCESS;
}
#endif
}
static ma_result ma_device_start__webaudio(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
EM_ASM({
var device = window.miniaudio.get_device_by_index($0);
device.webaudio.resume();
device.state = window.miniaudio.device_state.started;
}, pDevice->webaudio.deviceIndex);
return MA_SUCCESS;
}
static ma_result ma_device_stop__webaudio(ma_device* pDevice)
{
MA_ASSERT(pDevice != NULL);
EM_ASM({
var device = window.miniaudio.get_device_by_index($0);
device.webaudio.suspend();
device.state = window.miniaudio.device_state.stopped;
}, pDevice->webaudio.deviceIndex);
ma_device__on_notification_stopped(pDevice);
return MA_SUCCESS;
}
static ma_result ma_context_uninit__webaudio(ma_context* pContext)
{
MA_ASSERT(pContext != NULL);
MA_ASSERT(pContext->backend == ma_backend_webaudio);
(void)pContext;
EM_ASM({
if (typeof(window.miniaudio) !== 'undefined') {
window.miniaudio.unlock_event_types.map(function(event_type) {
document.removeEventListener(event_type, window.miniaudio.unlock, true);
});
window.miniaudio.referenceCount -= 1;
if (window.miniaudio.referenceCount === 0) {
delete window.miniaudio;
}
}
});
return MA_SUCCESS;
}
static ma_result ma_context_init__webaudio(ma_context* pContext, const ma_context_config* pConfig, ma_backend_callbacks* pCallbacks)
{
int resultFromJS;
MA_ASSERT(pContext != NULL);
(void)pConfig;
resultFromJS = EM_ASM_INT({
if (typeof window === 'undefined' || (window.AudioContext || window.webkitAudioContext) === undefined) {
return 0;
}
if (typeof(window.miniaudio) === 'undefined') {
window.miniaudio = {
referenceCount: 0
};
window.miniaudio.device_type = {};
window.miniaudio.device_type.playback = $0;
window.miniaudio.device_type.capture = $1;
window.miniaudio.device_type.duplex = $2;
window.miniaudio.device_state = {};
window.miniaudio.device_state.stopped = $3;
window.miniaudio.device_state.started = $4;
let miniaudio = window.miniaudio;
miniaudio.devices = [];
miniaudio.track_device = function(device) {
for (var iDevice = 0; iDevice < miniaudio.devices.length; ++iDevice) {
if (miniaudio.devices[iDevice] == null) {
miniaudio.devices[iDevice] = device;
return iDevice;
}
}
miniaudio.devices.push(device);
return miniaudio.devices.length - 1;
};
miniaudio.untrack_device_by_index = function(deviceIndex) {
miniaudio.devices[deviceIndex] = null;
while (miniaudio.devices.length > 0) {
if (miniaudio.devices[miniaudio.devices.length-1] == null) {
miniaudio.devices.pop();
} else {
break;
}
}
};
miniaudio.untrack_device = function(device) {
for (var iDevice = 0; iDevice < miniaudio.devices.length; ++iDevice) {
if (miniaudio.devices[iDevice] == device) {
return miniaudio.untrack_device_by_index(iDevice);
}
}
};
miniaudio.get_device_by_index = function(deviceIndex) {
return miniaudio.devices[deviceIndex];
};
miniaudio.unlock_event_types = (function(){
return ['touchend', 'click'];
})();
miniaudio.unlock = function() {
for(var i = 0; i < miniaudio.devices.length; ++i) {
var device = miniaudio.devices[i];
if (device != null &&
device.webaudio != null &&
device.state === miniaudio.device_state.started) {
device.webaudio.resume().then(() => {
_ma_device__on_notification_unlocked(device.pDevice);
},
(error) => {console.error("Failed to resume audiocontext", error);
});
}
}
miniaudio.unlock_event_types.map(function(event_type) {
document.removeEventListener(event_type, miniaudio.unlock, true);
});
};
miniaudio.unlock_event_types.map(function(event_type) {
document.addEventListener(event_type, miniaudio.unlock, true);
});
}
window.miniaudio.referenceCount += 1;
return 1;
}, ma_device_type_playback, ma_device_type_capture, ma_device_type_duplex, ma_device_state_stopped, ma_device_state_started);
if (resultFromJS != 1) {
return MA_FAILED_TO_INIT_BACKEND;
}
pCallbacks->onContextInit = ma_context_init__webaudio;
pCallbacks->onContextUninit = ma_context_uninit__webaudio;
pCallbacks->onContextEnumerateDevices = ma_context_enumerate_devices__webaudio;
pCallbacks->onContextGetDeviceInfo = ma_context_get_device_info__webaudio;
pCallbacks->onDeviceInit = ma_device_init__webaudio;
pCallbacks->onDeviceUninit = ma_device_uninit__webaudio;
pCallbacks->onDeviceStart = ma_device_start__webaudio;
pCallbacks->onDeviceStop = ma_device_stop__webaudio;
pCallbacks->onDeviceRead = NULL;
pCallbacks->onDeviceWrite = NULL;
pCallbacks->onDeviceDataLoop = NULL;
return MA_SUCCESS;
}
#endif
static ma_bool32 ma__is_channel_map_valid(const ma_channel* pChannelMap, ma_uint32 channels)
{
if (pChannelMap != NULL && pChannelMap[0] != MA_CHANNEL_NONE) {
ma_uint32 iChannel;
if (channels == 0 || channels > MA_MAX_CHANNELS) {
return MA_FALSE;
}
for (iChannel = 0; iChannel < channels; ++iChannel) {
ma_uint32 jChannel;
for (jChannel = iChannel + 1; jChannel < channels; ++jChannel) {
if (pChannelMap[iChannel] == pChannelMap[jChannel]) {
return MA_FALSE;
}
}
}
}
return MA_TRUE;
}
static ma_bool32 ma_context_is_backend_asynchronous(ma_context* pContext)
{
MA_ASSERT(pContext != NULL);
if (pContext->callbacks.onDeviceRead == NULL && pContext->callbacks.onDeviceWrite == NULL) {
if (pContext->callbacks.onDeviceDataLoop == NULL) {
return MA_TRUE;
} else {
return MA_FALSE;
}
} else {
return MA_FALSE;
}
}
static ma_result ma_device__post_init_setup(ma_device* pDevice, ma_device_type deviceType)
{
ma_result result;
MA_ASSERT(pDevice != NULL);
if (deviceType == ma_device_type_capture || deviceType == ma_device_type_duplex || deviceType == ma_device_type_loopback) {
if (pDevice->capture.format == ma_format_unknown) {
pDevice->capture.format = pDevice->capture.internalFormat;
}
if (pDevice->capture.channels == 0) {
pDevice->capture.channels = pDevice->capture.internalChannels;
}
if (pDevice->capture.channelMap[0] == MA_CHANNEL_NONE) {
MA_ASSERT(pDevice->capture.channels <= MA_MAX_CHANNELS);
if (pDevice->capture.internalChannels == pDevice->capture.channels) {
ma_channel_map_copy(pDevice->capture.channelMap, pDevice->capture.internalChannelMap, pDevice->capture.channels);
} else {
if (pDevice->capture.channelMixMode == ma_channel_mix_mode_simple) {
ma_channel_map_init_blank(pDevice->capture.channelMap, pDevice->capture.channels);
} else {
ma_channel_map_init_standard(ma_standard_channel_map_default, pDevice->capture.channelMap, ma_countof(pDevice->capture.channelMap), pDevice->capture.channels);
}
}
}
}
if (deviceType == ma_device_type_playback || deviceType == ma_device_type_duplex) {
if (pDevice->playback.format == ma_format_unknown) {
pDevice->playback.format = pDevice->playback.internalFormat;
}
if (pDevice->playback.channels == 0) {
pDevice->playback.channels = pDevice->playback.internalChannels;
}
if (pDevice->playback.channelMap[0] == MA_CHANNEL_NONE) {
MA_ASSERT(pDevice->playback.channels <= MA_MAX_CHANNELS);
if (pDevice->playback.internalChannels == pDevice->playback.channels) {
ma_channel_map_copy(pDevice->playback.channelMap, pDevice->playback.internalChannelMap, pDevice->playback.channels);
} else {
if (pDevice->playback.channelMixMode == ma_channel_mix_mode_simple) {
ma_channel_map_init_blank(pDevice->playback.channelMap, pDevice->playback.channels);
} else {
ma_channel_map_init_standard(ma_standard_channel_map_default, pDevice->playback.channelMap, ma_countof(pDevice->playback.channelMap), pDevice->playback.channels);
}
}
}
}
if (pDevice->sampleRate == 0) {
if (deviceType == ma_device_type_capture || deviceType == ma_device_type_duplex || deviceType == ma_device_type_loopback) {
pDevice->sampleRate = pDevice->capture.internalSampleRate;
} else {
pDevice->sampleRate = pDevice->playback.internalSampleRate;
}
}
if (deviceType == ma_device_type_capture || deviceType == ma_device_type_duplex || deviceType == ma_device_type_loopback) {
ma_data_converter_config converterConfig = ma_data_converter_config_init_default();
converterConfig.formatIn = pDevice->capture.internalFormat;
converterConfig.channelsIn = pDevice->capture.internalChannels;
converterConfig.sampleRateIn = pDevice->capture.internalSampleRate;
converterConfig.pChannelMapIn = pDevice->capture.internalChannelMap;
converterConfig.formatOut = pDevice->capture.format;
converterConfig.channelsOut = pDevice->capture.channels;
converterConfig.sampleRateOut = pDevice->sampleRate;
converterConfig.pChannelMapOut = pDevice->capture.channelMap;
converterConfig.channelMixMode = pDevice->capture.channelMixMode;
converterConfig.calculateLFEFromSpatialChannels = pDevice->capture.calculateLFEFromSpatialChannels;
converterConfig.allowDynamicSampleRate = MA_FALSE;
converterConfig.resampling.algorithm = pDevice->resampling.algorithm;
converterConfig.resampling.linear.lpfOrder = pDevice->resampling.linear.lpfOrder;
converterConfig.resampling.pBackendVTable = pDevice->resampling.pBackendVTable;
converterConfig.resampling.pBackendUserData = pDevice->resampling.pBackendUserData;
if (ma_device_get_state(pDevice) != ma_device_state_uninitialized) {
ma_data_converter_uninit(&pDevice->capture.converter, &pDevice->pContext->allocationCallbacks);
}
result = ma_data_converter_init(&converterConfig, &pDevice->pContext->allocationCallbacks, &pDevice->capture.converter);
if (result != MA_SUCCESS) {
return result;
}
}
if (deviceType == ma_device_type_playback || deviceType == ma_device_type_duplex) {
ma_data_converter_config converterConfig = ma_data_converter_config_init_default();
converterConfig.formatIn = pDevice->playback.format;
converterConfig.channelsIn = pDevice->playback.channels;
converterConfig.sampleRateIn = pDevice->sampleRate;
converterConfig.pChannelMapIn = pDevice->playback.channelMap;
converterConfig.formatOut = pDevice->playback.internalFormat;
converterConfig.channelsOut = pDevice->playback.internalChannels;
converterConfig.sampleRateOut = pDevice->playback.internalSampleRate;
converterConfig.pChannelMapOut = pDevice->playback.internalChannelMap;
converterConfig.channelMixMode = pDevice->playback.channelMixMode;
converterConfig.calculateLFEFromSpatialChannels = pDevice->playback.calculateLFEFromSpatialChannels;
converterConfig.allowDynamicSampleRate = MA_FALSE;
converterConfig.resampling.algorithm = pDevice->resampling.algorithm;
converterConfig.resampling.linear.lpfOrder = pDevice->resampling.linear.lpfOrder;
converterConfig.resampling.pBackendVTable = pDevice->resampling.pBackendVTable;
converterConfig.resampling.pBackendUserData = pDevice->resampling.pBackendUserData;
if (ma_device_get_state(pDevice) != ma_device_state_uninitialized) {
ma_data_converter_uninit(&pDevice->playback.converter, &pDevice->pContext->allocationCallbacks);
}
result = ma_data_converter_init(&converterConfig, &pDevice->pContext->allocationCallbacks, &pDevice->playback.converter);
if (result != MA_SUCCESS) {
return result;
}
}
if (deviceType == ma_device_type_playback || deviceType == ma_device_type_duplex) {
ma_uint64 unused;
pDevice->playback.inputCacheConsumed = 0;
pDevice->playback.inputCacheRemaining = 0;
if (pDevice->type == ma_device_type_duplex ||
ma_data_converter_get_required_input_frame_count(&pDevice->playback.converter, 1, &unused) != MA_SUCCESS)
{
void* pNewInputCache;
ma_uint64 newInputCacheCap;
ma_uint64 newInputCacheSizeInBytes;
newInputCacheCap = ma_calculate_frame_count_after_resampling(pDevice->playback.internalSampleRate, pDevice->sampleRate, pDevice->playback.internalPeriodSizeInFrames);
newInputCacheSizeInBytes = newInputCacheCap * ma_get_bytes_per_frame(pDevice->playback.format, pDevice->playback.channels);
if (newInputCacheSizeInBytes > MA_SIZE_MAX) {
ma_free(pDevice->playback.pInputCache, &pDevice->pContext->allocationCallbacks);
pDevice->playback.pInputCache = NULL;
pDevice->playback.inputCacheCap = 0;
return MA_OUT_OF_MEMORY;
}
pNewInputCache = ma_realloc(pDevice->playback.pInputCache, (size_t)newInputCacheSizeInBytes, &pDevice->pContext->allocationCallbacks);
if (pNewInputCache == NULL) {
ma_free(pDevice->playback.pInputCache, &pDevice->pContext->allocationCallbacks);
pDevice->playback.pInputCache = NULL;
pDevice->playback.inputCacheCap = 0;
return MA_OUT_OF_MEMORY;
}
pDevice->playback.pInputCache = pNewInputCache;
pDevice->playback.inputCacheCap = newInputCacheCap;
} else {
ma_free(pDevice->playback.pInputCache, &pDevice->pContext->allocationCallbacks);
pDevice->playback.pInputCache = NULL;
pDevice->playback.inputCacheCap = 0;
}
}
return MA_SUCCESS;
}
MA_API ma_result ma_device_post_init(ma_device* pDevice, ma_device_type deviceType, const ma_device_descriptor* pDescriptorPlayback, const ma_device_descriptor* pDescriptorCapture)
{
ma_result result;
if (pDevice == NULL) {
return MA_INVALID_ARGS;
}
if (deviceType == ma_device_type_capture || deviceType == ma_device_type_duplex || deviceType == ma_device_type_loopback) {
if (ma_device_descriptor_is_valid(pDescriptorCapture) == MA_FALSE) {
return MA_INVALID_ARGS;
}
pDevice->capture.internalFormat = pDescriptorCapture->format;
pDevice->capture.internalChannels = pDescriptorCapture->channels;
pDevice->capture.internalSampleRate = pDescriptorCapture->sampleRate;
MA_COPY_MEMORY(pDevice->capture.internalChannelMap, pDescriptorCapture->channelMap, sizeof(pDescriptorCapture->channelMap));
pDevice->capture.internalPeriodSizeInFrames = pDescriptorCapture->periodSizeInFrames;
pDevice->capture.internalPeriods = pDescriptorCapture->periodCount;
if (pDevice->capture.internalPeriodSizeInFrames == 0) {
pDevice->capture.internalPeriodSizeInFrames = ma_calculate_buffer_size_in_frames_from_milliseconds(pDescriptorCapture->periodSizeInMilliseconds, pDescriptorCapture->sampleRate);
}
}
if (deviceType == ma_device_type_playback || deviceType == ma_device_type_duplex) {
if (ma_device_descriptor_is_valid(pDescriptorPlayback) == MA_FALSE) {
return MA_INVALID_ARGS;
}
pDevice->playback.internalFormat = pDescriptorPlayback->format;
pDevice->playback.internalChannels = pDescriptorPlayback->channels;
pDevice->playback.internalSampleRate = pDescriptorPlayback->sampleRate;
MA_COPY_MEMORY(pDevice->playback.internalChannelMap, pDescriptorPlayback->channelMap, sizeof(pDescriptorPlayback->channelMap));
pDevice->playback.internalPeriodSizeInFrames = pDescriptorPlayback->periodSizeInFrames;
pDevice->playback.internalPeriods = pDescriptorPlayback->periodCount;
if (pDevice->playback.internalPeriodSizeInFrames == 0) {
pDevice->playback.internalPeriodSizeInFrames = ma_calculate_buffer_size_in_frames_from_milliseconds(pDescriptorPlayback->periodSizeInMilliseconds, pDescriptorPlayback->sampleRate);
}
}
{
ma_device_info deviceInfo;
if (deviceType == ma_device_type_capture || deviceType == ma_device_type_duplex || deviceType == ma_device_type_loopback) {
result = ma_device_get_info(pDevice, ma_device_type_capture, &deviceInfo);
if (result == MA_SUCCESS) {
ma_strncpy_s(pDevice->capture.name, sizeof(pDevice->capture.name), deviceInfo.name, (size_t)-1);
} else {
if (pDescriptorCapture->pDeviceID == NULL) {
ma_strncpy_s(pDevice->capture.name, sizeof(pDevice->capture.name), MA_DEFAULT_CAPTURE_DEVICE_NAME, (size_t)-1);
} else {
ma_strncpy_s(pDevice->capture.name, sizeof(pDevice->capture.name), "Capture Device", (size_t)-1);
}
}
}
if (deviceType == ma_device_type_playback || deviceType == ma_device_type_duplex) {
result = ma_device_get_info(pDevice, ma_device_type_playback, &deviceInfo);
if (result == MA_SUCCESS) {
ma_strncpy_s(pDevice->playback.name, sizeof(pDevice->playback.name), deviceInfo.name, (size_t)-1);
} else {
if (pDescriptorPlayback->pDeviceID == NULL) {
ma_strncpy_s(pDevice->playback.name, sizeof(pDevice->playback.name), MA_DEFAULT_PLAYBACK_DEVICE_NAME, (size_t)-1);
} else {
ma_strncpy_s(pDevice->playback.name, sizeof(pDevice->playback.name), "Playback Device", (size_t)-1);
}
}
}
}
return ma_device__post_init_setup(pDevice, deviceType);
}
static ma_thread_result MA_THREADCALL ma_worker_thread(void* pData)
{
ma_device* pDevice = (ma_device*)pData;
#if defined(MA_WIN32) && !defined(MA_XBOX)
HRESULT CoInitializeResult;
#endif
MA_ASSERT(pDevice != NULL);
#if defined(MA_WIN32) && !defined(MA_XBOX)
CoInitializeResult = ma_CoInitializeEx(pDevice->pContext, NULL, MA_COINIT_VALUE);
#endif
ma_device__set_state(pDevice, ma_device_state_stopped);
ma_event_signal(&pDevice->stopEvent);
for (;;) {
ma_result startResult;
ma_result stopResult;
ma_event_wait(&pDevice->wakeupEvent);
pDevice->workResult = MA_SUCCESS;
if (ma_device_get_state(pDevice) == ma_device_state_uninitialized) {
break;
}
MA_ASSERT(ma_device_get_state(pDevice) == ma_device_state_starting);
if (pDevice->pContext->callbacks.onDeviceStart != NULL) {
startResult = pDevice->pContext->callbacks.onDeviceStart(pDevice);
} else {
startResult = MA_SUCCESS;
}
if (startResult != MA_SUCCESS) {
pDevice->workResult = startResult;
ma_event_signal(&pDevice->startEvent);
continue;
}
ma_device__set_state(pDevice, ma_device_state_started);
ma_event_signal(&pDevice->startEvent);
ma_device__on_notification_started(pDevice);
if (pDevice->pContext->callbacks.onDeviceDataLoop != NULL) {
pDevice->pContext->callbacks.onDeviceDataLoop(pDevice);
} else {
ma_device_audio_thread__default_read_write(pDevice);
}
if (pDevice->pContext->callbacks.onDeviceStop != NULL) {
stopResult = pDevice->pContext->callbacks.onDeviceStop(pDevice);
} else {
stopResult = MA_SUCCESS;
}
if (stopResult == MA_SUCCESS) {
ma_device__on_notification_stopped(pDevice);
}
if (ma_device_get_state(pDevice) == ma_device_state_uninitialized) {
break;
}
ma_device__set_state(pDevice, ma_device_state_stopped);
ma_event_signal(&pDevice->stopEvent);
}
#if defined(MA_WIN32) && !defined(MA_XBOX)
if (CoInitializeResult == S_OK || CoInitializeResult == S_FALSE) {
ma_CoUninitialize(pDevice->pContext);
}
#endif
return (ma_thread_result)0;
}
static ma_bool32 ma_device__is_initialized(ma_device* pDevice)
{
if (pDevice == NULL) {
return MA_FALSE;
}
return ma_device_get_state(pDevice) != ma_device_state_uninitialized;
}
#ifdef MA_WIN32
static ma_result ma_context_uninit_backend_apis__win32(ma_context* pContext)
{
#if defined(MA_WIN32_DESKTOP) || defined(MA_WIN32_GDK)
{
#if !defined(MA_XBOX)
{
if (pContext->win32.CoInitializeResult == S_OK || pContext->win32.CoInitializeResult == S_FALSE) {
ma_CoUninitialize(pContext);
}
}
#endif
#if defined(MA_WIN32_DESKTOP)
ma_dlclose(ma_context_get_log(pContext), pContext->win32.hUser32DLL);
ma_dlclose(ma_context_get_log(pContext), pContext->win32.hAdvapi32DLL);
#endif
ma_dlclose(ma_context_get_log(pContext), pContext->win32.hOle32DLL);
}
#else
{
(void)pContext;
}
#endif
return MA_SUCCESS;
}
static ma_result ma_context_init_backend_apis__win32(ma_context* pContext)
{
#if (defined(MA_WIN32_DESKTOP) || defined(MA_WIN32_GDK)) && !defined(MA_XBOX)
{
#if defined(MA_WIN32_DESKTOP)
{
pContext->win32.hUser32DLL = ma_dlopen(ma_context_get_log(pContext), "user32.dll");
if (pContext->win32.hUser32DLL == NULL) {
return MA_FAILED_TO_INIT_BACKEND;
}
pContext->win32.GetForegroundWindow = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->win32.hUser32DLL, "GetForegroundWindow");
pContext->win32.GetDesktopWindow = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->win32.hUser32DLL, "GetDesktopWindow");
pContext->win32.hAdvapi32DLL = ma_dlopen(ma_context_get_log(pContext), "advapi32.dll");
if (pContext->win32.hAdvapi32DLL == NULL) {
return MA_FAILED_TO_INIT_BACKEND;
}
pContext->win32.RegOpenKeyExA = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->win32.hAdvapi32DLL, "RegOpenKeyExA");
pContext->win32.RegCloseKey = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->win32.hAdvapi32DLL, "RegCloseKey");
pContext->win32.RegQueryValueExA = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->win32.hAdvapi32DLL, "RegQueryValueExA");
}
#endif
pContext->win32.hOle32DLL = ma_dlopen(ma_context_get_log(pContext), "ole32.dll");
if (pContext->win32.hOle32DLL == NULL) {
return MA_FAILED_TO_INIT_BACKEND;
}
pContext->win32.CoInitialize = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->win32.hOle32DLL, "CoInitialize");
pContext->win32.CoInitializeEx = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->win32.hOle32DLL, "CoInitializeEx");
pContext->win32.CoUninitialize = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->win32.hOle32DLL, "CoUninitialize");
pContext->win32.CoCreateInstance = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->win32.hOle32DLL, "CoCreateInstance");
pContext->win32.CoTaskMemFree = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->win32.hOle32DLL, "CoTaskMemFree");
pContext->win32.PropVariantClear = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->win32.hOle32DLL, "PropVariantClear");
pContext->win32.StringFromGUID2 = (ma_proc)ma_dlsym(ma_context_get_log(pContext), pContext->win32.hOle32DLL, "StringFromGUID2");
}
#else
{
(void)pContext;
}
#endif
#if !defined(MA_XBOX)
{
pContext->win32.CoInitializeResult = ma_CoInitializeEx(pContext, NULL, MA_COINIT_VALUE);
}
#endif
return MA_SUCCESS;
}
#else
static ma_result ma_context_uninit_backend_apis__nix(ma_context* pContext)
{
(void)pContext;
return MA_SUCCESS;
}
static ma_result ma_context_init_backend_apis__nix(ma_context* pContext)
{
(void)pContext;
return MA_SUCCESS;
}
#endif
static ma_result ma_context_init_backend_apis(ma_context* pContext)
{
ma_result result;
#ifdef MA_WIN32
result = ma_context_init_backend_apis__win32(pContext);
#else
result = ma_context_init_backend_apis__nix(pContext);
#endif
return result;
}
static ma_result ma_context_uninit_backend_apis(ma_context* pContext)
{
ma_result result;
#ifdef MA_WIN32
result = ma_context_uninit_backend_apis__win32(pContext);
#else
result = ma_context_uninit_backend_apis__nix(pContext);
#endif
return result;
}
#ifndef MA_DEFAULT_DEVICE_JOB_QUEUE_CAPACITY
#define MA_DEFAULT_DEVICE_JOB_QUEUE_CAPACITY 32
#endif
MA_API ma_device_job_thread_config ma_device_job_thread_config_init(void)
{
ma_device_job_thread_config config;
MA_ZERO_OBJECT(&config);
config.noThread = MA_FALSE;
config.jobQueueCapacity = MA_DEFAULT_DEVICE_JOB_QUEUE_CAPACITY;
config.jobQueueFlags = 0;
return config;
}
static ma_thread_result MA_THREADCALL ma_device_job_thread_entry(void* pUserData)
{
ma_device_job_thread* pJobThread = (ma_device_job_thread*)pUserData;
MA_ASSERT(pJobThread != NULL);
for (;;) {
ma_result result;
ma_job job;
result = ma_device_job_thread_next(pJobThread, &job);
if (result != MA_SUCCESS) {
break;
}
if (job.toc.breakup.code == MA_JOB_TYPE_QUIT) {
break;
}
ma_job_process(&job);
}
return (ma_thread_result)0;
}
MA_API ma_result ma_device_job_thread_init(const ma_device_job_thread_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_device_job_thread* pJobThread)
{
ma_result result;
ma_job_queue_config jobQueueConfig;
if (pJobThread == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pJobThread);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
jobQueueConfig = ma_job_queue_config_init(pConfig->jobQueueFlags, pConfig->jobQueueCapacity);
result = ma_job_queue_init(&jobQueueConfig, pAllocationCallbacks, &pJobThread->jobQueue);
if (result != MA_SUCCESS) {
return result;
}
if (pConfig->noThread == MA_FALSE) {
result = ma_thread_create(&pJobThread->thread, ma_thread_priority_normal, 0, ma_device_job_thread_entry, pJobThread, pAllocationCallbacks);
if (result != MA_SUCCESS) {
ma_job_queue_uninit(&pJobThread->jobQueue, pAllocationCallbacks);
return result;
}
pJobThread->_hasThread = MA_TRUE;
} else {
pJobThread->_hasThread = MA_FALSE;
}
return MA_SUCCESS;
}
MA_API void ma_device_job_thread_uninit(ma_device_job_thread* pJobThread, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pJobThread == NULL) {
return;
}
{
ma_job job = ma_job_init(MA_JOB_TYPE_QUIT);
ma_device_job_thread_post(pJobThread, &job);
}
if (pJobThread->_hasThread) {
ma_thread_wait(&pJobThread->thread);
}
ma_job_queue_uninit(&pJobThread->jobQueue, pAllocationCallbacks);
}
MA_API ma_result ma_device_job_thread_post(ma_device_job_thread* pJobThread, const ma_job* pJob)
{
if (pJobThread == NULL || pJob == NULL) {
return MA_INVALID_ARGS;
}
return ma_job_queue_post(&pJobThread->jobQueue, pJob);
}
MA_API ma_result ma_device_job_thread_next(ma_device_job_thread* pJobThread, ma_job* pJob)
{
if (pJob == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pJob);
if (pJobThread == NULL) {
return MA_INVALID_ARGS;
}
return ma_job_queue_next(&pJobThread->jobQueue, pJob);
}
MA_API ma_bool32 ma_device_id_equal(const ma_device_id* pA, const ma_device_id* pB)
{
size_t i;
if (pA == NULL || pB == NULL) {
return MA_FALSE;
}
for (i = 0; i < sizeof(ma_device_id); i += 1) {
if (((const char*)pA)[i] != ((const char*)pB)[i]) {
return MA_FALSE;
}
}
return MA_TRUE;
}
MA_API ma_context_config ma_context_config_init(void)
{
ma_context_config config;
MA_ZERO_OBJECT(&config);
return config;
}
MA_API ma_result ma_context_init(const ma_backend backends[], ma_uint32 backendCount, const ma_context_config* pConfig, ma_context* pContext)
{
ma_result result;
ma_context_config defaultConfig;
ma_backend defaultBackends[ma_backend_null+1];
ma_uint32 iBackend;
ma_backend* pBackendsToIterate;
ma_uint32 backendsToIterateCount;
if (pContext == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pContext);
if (pConfig == NULL) {
defaultConfig = ma_context_config_init();
pConfig = &defaultConfig;
}
result = ma_allocation_callbacks_init_copy(&pContext->allocationCallbacks, &pConfig->allocationCallbacks);
if (result != MA_SUCCESS) {
return result;
}
if (pConfig->pLog != NULL) {
pContext->pLog = pConfig->pLog;
} else {
result = ma_log_init(&pContext->allocationCallbacks, &pContext->log);
if (result == MA_SUCCESS) {
pContext->pLog = &pContext->log;
} else {
pContext->pLog = NULL;
}
}
pContext->threadPriority = pConfig->threadPriority;
pContext->threadStackSize = pConfig->threadStackSize;
pContext->pUserData = pConfig->pUserData;
result = ma_context_init_backend_apis(pContext);
if (result != MA_SUCCESS) {
return result;
}
for (iBackend = 0; iBackend <= ma_backend_null; ++iBackend) {
defaultBackends[iBackend] = (ma_backend)iBackend;
}
pBackendsToIterate = (ma_backend*)backends;
backendsToIterateCount = backendCount;
if (pBackendsToIterate == NULL) {
pBackendsToIterate = (ma_backend*)defaultBackends;
backendsToIterateCount = ma_countof(defaultBackends);
}
MA_ASSERT(pBackendsToIterate != NULL);
for (iBackend = 0; iBackend < backendsToIterateCount; iBackend += 1) {
ma_backend backend = pBackendsToIterate[iBackend];
MA_ZERO_OBJECT(&pContext->callbacks);
switch (backend) {
#ifdef MA_HAS_WASAPI
case ma_backend_wasapi:
{
pContext->callbacks.onContextInit = ma_context_init__wasapi;
} break;
#endif
#ifdef MA_HAS_DSOUND
case ma_backend_dsound:
{
pContext->callbacks.onContextInit = ma_context_init__dsound;
} break;
#endif
#ifdef MA_HAS_WINMM
case ma_backend_winmm:
{
pContext->callbacks.onContextInit = ma_context_init__winmm;
} break;
#endif
#ifdef MA_HAS_COREAUDIO
case ma_backend_coreaudio:
{
pContext->callbacks.onContextInit = ma_context_init__coreaudio;
} break;
#endif
#ifdef MA_HAS_SNDIO
case ma_backend_sndio:
{
pContext->callbacks.onContextInit = ma_context_init__sndio;
} break;
#endif
#ifdef MA_HAS_AUDIO4
case ma_backend_audio4:
{
pContext->callbacks.onContextInit = ma_context_init__audio4;
} break;
#endif
#ifdef MA_HAS_OSS
case ma_backend_oss:
{
pContext->callbacks.onContextInit = ma_context_init__oss;
} break;
#endif
#ifdef MA_HAS_PULSEAUDIO
case ma_backend_pulseaudio:
{
pContext->callbacks.onContextInit = ma_context_init__pulse;
} break;
#endif
#ifdef MA_HAS_ALSA
case ma_backend_alsa:
{
pContext->callbacks.onContextInit = ma_context_init__alsa;
} break;
#endif
#ifdef MA_HAS_JACK
case ma_backend_jack:
{
pContext->callbacks.onContextInit = ma_context_init__jack;
} break;
#endif
#ifdef MA_HAS_AAUDIO
case ma_backend_aaudio:
{
if (ma_is_backend_enabled(backend)) {
pContext->callbacks.onContextInit = ma_context_init__aaudio;
}
} break;
#endif
#ifdef MA_HAS_OPENSL
case ma_backend_opensl:
{
if (ma_is_backend_enabled(backend)) {
pContext->callbacks.onContextInit = ma_context_init__opensl;
}
} break;
#endif
#ifdef MA_HAS_WEBAUDIO
case ma_backend_webaudio:
{
pContext->callbacks.onContextInit = ma_context_init__webaudio;
} break;
#endif
#ifdef MA_HAS_CUSTOM
case ma_backend_custom:
{
pContext->callbacks = pConfig->custom;
} break;
#endif
#ifdef MA_HAS_NULL
case ma_backend_null:
{
pContext->callbacks.onContextInit = ma_context_init__null;
} break;
#endif
default: break;
}
if (pContext->callbacks.onContextInit != NULL) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_DEBUG, "Attempting to initialize %s backend...\n", ma_get_backend_name(backend));
result = pContext->callbacks.onContextInit(pContext, pConfig, &pContext->callbacks);
} else {
if (backend != ma_backend_custom) {
result = MA_BACKEND_NOT_ENABLED;
} else {
#if !defined(MA_HAS_CUSTOM)
result = MA_BACKEND_NOT_ENABLED;
#else
result = MA_NO_BACKEND;
#endif
}
}
if (result == MA_SUCCESS) {
result = ma_mutex_init(&pContext->deviceEnumLock);
if (result != MA_SUCCESS) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_WARNING, "Failed to initialize mutex for device enumeration. ma_context_get_devices() is not thread safe.\n");
}
result = ma_mutex_init(&pContext->deviceInfoLock);
if (result != MA_SUCCESS) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_WARNING, "Failed to initialize mutex for device info retrieval. ma_context_get_device_info() is not thread safe.\n");
}
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_DEBUG, "System Architecture:\n");
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_DEBUG, " Endian: %s\n", ma_is_little_endian() ? "LE" : "BE");
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_DEBUG, " SSE2: %s\n", ma_has_sse2() ? "YES" : "NO");
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_DEBUG, " AVX2: %s\n", ma_has_avx2() ? "YES" : "NO");
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_DEBUG, " NEON: %s\n", ma_has_neon() ? "YES" : "NO");
pContext->backend = backend;
return result;
} else {
if (result == MA_BACKEND_NOT_ENABLED) {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_DEBUG, "%s backend is disabled.\n", ma_get_backend_name(backend));
} else {
ma_log_postf(ma_context_get_log(pContext), MA_LOG_LEVEL_DEBUG, "Failed to initialize %s backend.\n", ma_get_backend_name(backend));
}
}
}
MA_ZERO_OBJECT(pContext);
return MA_NO_BACKEND;
}
MA_API ma_result ma_context_uninit(ma_context* pContext)
{
if (pContext == NULL) {
return MA_INVALID_ARGS;
}
if (pContext->callbacks.onContextUninit != NULL) {
pContext->callbacks.onContextUninit(pContext);
}
ma_mutex_uninit(&pContext->deviceEnumLock);
ma_mutex_uninit(&pContext->deviceInfoLock);
ma_free(pContext->pDeviceInfos, &pContext->allocationCallbacks);
ma_context_uninit_backend_apis(pContext);
if (pContext->pLog == &pContext->log) {
ma_log_uninit(&pContext->log);
}
return MA_SUCCESS;
}
MA_API size_t ma_context_sizeof(void)
{
return sizeof(ma_context);
}
MA_API ma_log* ma_context_get_log(ma_context* pContext)
{
if (pContext == NULL) {
return NULL;
}
return pContext->pLog;
}
MA_API ma_result ma_context_enumerate_devices(ma_context* pContext, ma_enum_devices_callback_proc callback, void* pUserData)
{
ma_result result;
if (pContext == NULL || callback == NULL) {
return MA_INVALID_ARGS;
}
if (pContext->callbacks.onContextEnumerateDevices == NULL) {
return MA_INVALID_OPERATION;
}
ma_mutex_lock(&pContext->deviceEnumLock);
{
result = pContext->callbacks.onContextEnumerateDevices(pContext, callback, pUserData);
}
ma_mutex_unlock(&pContext->deviceEnumLock);
return result;
}
static ma_bool32 ma_context_get_devices__enum_callback(ma_context* pContext, ma_device_type deviceType, const ma_device_info* pInfo, void* pUserData)
{
const ma_uint32 bufferExpansionCount = 2;
const ma_uint32 totalDeviceInfoCount = pContext->playbackDeviceInfoCount + pContext->captureDeviceInfoCount;
if (totalDeviceInfoCount >= pContext->deviceInfoCapacity) {
ma_uint32 newCapacity = pContext->deviceInfoCapacity + bufferExpansionCount;
ma_device_info* pNewInfos = (ma_device_info*)ma_realloc(pContext->pDeviceInfos, sizeof(*pContext->pDeviceInfos)*newCapacity, &pContext->allocationCallbacks);
if (pNewInfos == NULL) {
return MA_FALSE;
}
pContext->pDeviceInfos = pNewInfos;
pContext->deviceInfoCapacity = newCapacity;
}
if (deviceType == ma_device_type_playback) {
ma_uint32 iFirstCaptureDevice = pContext->playbackDeviceInfoCount;
size_t iCaptureDevice;
for (iCaptureDevice = totalDeviceInfoCount; iCaptureDevice > iFirstCaptureDevice; --iCaptureDevice) {
pContext->pDeviceInfos[iCaptureDevice] = pContext->pDeviceInfos[iCaptureDevice-1];
}
pContext->pDeviceInfos[iFirstCaptureDevice] = *pInfo;
pContext->playbackDeviceInfoCount += 1;
} else {
pContext->pDeviceInfos[totalDeviceInfoCount] = *pInfo;
pContext->captureDeviceInfoCount += 1;
}
(void)pUserData;
return MA_TRUE;
}
MA_API ma_result ma_context_get_devices(ma_context* pContext, ma_device_info** ppPlaybackDeviceInfos, ma_uint32* pPlaybackDeviceCount, ma_device_info** ppCaptureDeviceInfos, ma_uint32* pCaptureDeviceCount)
{
ma_result result;
if (ppPlaybackDeviceInfos != NULL) *ppPlaybackDeviceInfos = NULL;
if (pPlaybackDeviceCount != NULL) *pPlaybackDeviceCount = 0;
if (ppCaptureDeviceInfos != NULL) *ppCaptureDeviceInfos = NULL;
if (pCaptureDeviceCount != NULL) *pCaptureDeviceCount = 0;
if (pContext == NULL) {
return MA_INVALID_ARGS;
}
if (pContext->callbacks.onContextEnumerateDevices == NULL) {
return MA_INVALID_OPERATION;
}
ma_mutex_lock(&pContext->deviceEnumLock);
{
pContext->playbackDeviceInfoCount = 0;
pContext->captureDeviceInfoCount = 0;
result = pContext->callbacks.onContextEnumerateDevices(pContext, ma_context_get_devices__enum_callback, NULL);
if (result == MA_SUCCESS) {
if (ppPlaybackDeviceInfos != NULL) {
*ppPlaybackDeviceInfos = pContext->pDeviceInfos;
}
if (pPlaybackDeviceCount != NULL) {
*pPlaybackDeviceCount = pContext->playbackDeviceInfoCount;
}
if (ppCaptureDeviceInfos != NULL) {
*ppCaptureDeviceInfos = pContext->pDeviceInfos;
if (pContext->playbackDeviceInfoCount > 0) {
*ppCaptureDeviceInfos += pContext->playbackDeviceInfoCount;
}
}
if (pCaptureDeviceCount != NULL) {
*pCaptureDeviceCount = pContext->captureDeviceInfoCount;
}
}
}
ma_mutex_unlock(&pContext->deviceEnumLock);
return result;
}
MA_API ma_result ma_context_get_device_info(ma_context* pContext, ma_device_type deviceType, const ma_device_id* pDeviceID, ma_device_info* pDeviceInfo)
{
ma_result result;
ma_device_info deviceInfo;
if (pContext == NULL || pDeviceInfo == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(&deviceInfo);
if (pDeviceID != NULL) {
MA_COPY_MEMORY(&deviceInfo.id, pDeviceID, sizeof(*pDeviceID));
}
if (pContext->callbacks.onContextGetDeviceInfo == NULL) {
return MA_INVALID_OPERATION;
}
ma_mutex_lock(&pContext->deviceInfoLock);
{
result = pContext->callbacks.onContextGetDeviceInfo(pContext, deviceType, pDeviceID, &deviceInfo);
}
ma_mutex_unlock(&pContext->deviceInfoLock);
*pDeviceInfo = deviceInfo;
return result;
}
MA_API ma_bool32 ma_context_is_loopback_supported(ma_context* pContext)
{
if (pContext == NULL) {
return MA_FALSE;
}
return ma_is_loopback_supported(pContext->backend);
}
MA_API ma_device_config ma_device_config_init(ma_device_type deviceType)
{
ma_device_config config;
MA_ZERO_OBJECT(&config);
config.deviceType = deviceType;
config.resampling = ma_resampler_config_init(ma_format_unknown, 0, 0, 0, ma_resample_algorithm_linear);
return config;
}
MA_API ma_result ma_device_init(ma_context* pContext, const ma_device_config* pConfig, ma_device* pDevice)
{
ma_result result;
ma_device_descriptor descriptorPlayback;
ma_device_descriptor descriptorCapture;
if (pContext == NULL) {
return ma_device_init_ex(NULL, 0, NULL, pConfig, pDevice);
}
if (pDevice == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pDevice);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pContext->callbacks.onDeviceInit == NULL) {
return MA_INVALID_OPERATION;
}
if (pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex) {
if (pConfig->capture.channels > MA_MAX_CHANNELS) {
return MA_INVALID_ARGS;
}
if (!ma__is_channel_map_valid(pConfig->capture.pChannelMap, pConfig->capture.channels)) {
return MA_INVALID_ARGS;
}
}
if (pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex || pConfig->deviceType == ma_device_type_loopback) {
if (pConfig->playback.channels > MA_MAX_CHANNELS) {
return MA_INVALID_ARGS;
}
if (!ma__is_channel_map_valid(pConfig->playback.pChannelMap, pConfig->playback.channels)) {
return MA_INVALID_ARGS;
}
}
pDevice->pContext = pContext;
pDevice->pUserData = pConfig->pUserData;
pDevice->onData = pConfig->dataCallback;
pDevice->onNotification = pConfig->notificationCallback;
pDevice->onStop = pConfig->stopCallback;
if (pConfig->playback.pDeviceID != NULL) {
MA_COPY_MEMORY(&pDevice->playback.id, pConfig->playback.pDeviceID, sizeof(pDevice->playback.id));
pDevice->playback.pID = &pDevice->playback.id;
} else {
pDevice->playback.pID = NULL;
}
if (pConfig->capture.pDeviceID != NULL) {
MA_COPY_MEMORY(&pDevice->capture.id, pConfig->capture.pDeviceID, sizeof(pDevice->capture.id));
pDevice->capture.pID = &pDevice->capture.id;
} else {
pDevice->capture.pID = NULL;
}
pDevice->noPreSilencedOutputBuffer = pConfig->noPreSilencedOutputBuffer;
pDevice->noClip = pConfig->noClip;
pDevice->noDisableDenormals = pConfig->noDisableDenormals;
pDevice->noFixedSizedCallback = pConfig->noFixedSizedCallback;
ma_atomic_float_set(&pDevice->masterVolumeFactor, 1);
pDevice->type = pConfig->deviceType;
pDevice->sampleRate = pConfig->sampleRate;
pDevice->resampling.algorithm = pConfig->resampling.algorithm;
pDevice->resampling.linear.lpfOrder = pConfig->resampling.linear.lpfOrder;
pDevice->resampling.pBackendVTable = pConfig->resampling.pBackendVTable;
pDevice->resampling.pBackendUserData = pConfig->resampling.pBackendUserData;
pDevice->capture.shareMode = pConfig->capture.shareMode;
pDevice->capture.format = pConfig->capture.format;
pDevice->capture.channels = pConfig->capture.channels;
ma_channel_map_copy_or_default(pDevice->capture.channelMap, ma_countof(pDevice->capture.channelMap), pConfig->capture.pChannelMap, pConfig->capture.channels);
pDevice->capture.channelMixMode = pConfig->capture.channelMixMode;
pDevice->capture.calculateLFEFromSpatialChannels = pConfig->capture.calculateLFEFromSpatialChannels;
pDevice->playback.shareMode = pConfig->playback.shareMode;
pDevice->playback.format = pConfig->playback.format;
pDevice->playback.channels = pConfig->playback.channels;
ma_channel_map_copy_or_default(pDevice->playback.channelMap, ma_countof(pDevice->playback.channelMap), pConfig->playback.pChannelMap, pConfig->playback.channels);
pDevice->playback.channelMixMode = pConfig->playback.channelMixMode;
pDevice->playback.calculateLFEFromSpatialChannels = pConfig->playback.calculateLFEFromSpatialChannels;
result = ma_mutex_init(&pDevice->startStopLock);
if (result != MA_SUCCESS) {
return result;
}
result = ma_event_init(&pDevice->wakeupEvent);
if (result != MA_SUCCESS) {
ma_mutex_uninit(&pDevice->startStopLock);
return result;
}
result = ma_event_init(&pDevice->startEvent);
if (result != MA_SUCCESS) {
ma_event_uninit(&pDevice->wakeupEvent);
ma_mutex_uninit(&pDevice->startStopLock);
return result;
}
result = ma_event_init(&pDevice->stopEvent);
if (result != MA_SUCCESS) {
ma_event_uninit(&pDevice->startEvent);
ma_event_uninit(&pDevice->wakeupEvent);
ma_mutex_uninit(&pDevice->startStopLock);
return result;
}
MA_ZERO_OBJECT(&descriptorPlayback);
descriptorPlayback.pDeviceID = pConfig->playback.pDeviceID;
descriptorPlayback.shareMode = pConfig->playback.shareMode;
descriptorPlayback.format = pConfig->playback.format;
descriptorPlayback.channels = pConfig->playback.channels;
descriptorPlayback.sampleRate = pConfig->sampleRate;
ma_channel_map_copy_or_default(descriptorPlayback.channelMap, ma_countof(descriptorPlayback.channelMap), pConfig->playback.pChannelMap, pConfig->playback.channels);
descriptorPlayback.periodSizeInFrames = pConfig->periodSizeInFrames;
descriptorPlayback.periodSizeInMilliseconds = pConfig->periodSizeInMilliseconds;
descriptorPlayback.periodCount = pConfig->periods;
if (descriptorPlayback.periodCount == 0) {
descriptorPlayback.periodCount = MA_DEFAULT_PERIODS;
}
MA_ZERO_OBJECT(&descriptorCapture);
descriptorCapture.pDeviceID = pConfig->capture.pDeviceID;
descriptorCapture.shareMode = pConfig->capture.shareMode;
descriptorCapture.format = pConfig->capture.format;
descriptorCapture.channels = pConfig->capture.channels;
descriptorCapture.sampleRate = pConfig->sampleRate;
ma_channel_map_copy_or_default(descriptorCapture.channelMap, ma_countof(descriptorCapture.channelMap), pConfig->capture.pChannelMap, pConfig->capture.channels);
descriptorCapture.periodSizeInFrames = pConfig->periodSizeInFrames;
descriptorCapture.periodSizeInMilliseconds = pConfig->periodSizeInMilliseconds;
descriptorCapture.periodCount = pConfig->periods;
if (descriptorCapture.periodCount == 0) {
descriptorCapture.periodCount = MA_DEFAULT_PERIODS;
}
result = pContext->callbacks.onDeviceInit(pDevice, pConfig, &descriptorPlayback, &descriptorCapture);
if (result != MA_SUCCESS) {
ma_event_uninit(&pDevice->startEvent);
ma_event_uninit(&pDevice->wakeupEvent);
ma_mutex_uninit(&pDevice->startStopLock);
return result;
}
#if 0
if (pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex || pConfig->deviceType == ma_device_type_loopback) {
if (!ma_device_descriptor_is_valid(&descriptorCapture)) {
ma_device_uninit(pDevice);
return MA_INVALID_ARGS;
}
pDevice->capture.internalFormat = descriptorCapture.format;
pDevice->capture.internalChannels = descriptorCapture.channels;
pDevice->capture.internalSampleRate = descriptorCapture.sampleRate;
ma_channel_map_copy(pDevice->capture.internalChannelMap, descriptorCapture.channelMap, descriptorCapture.channels);
pDevice->capture.internalPeriodSizeInFrames = descriptorCapture.periodSizeInFrames;
pDevice->capture.internalPeriods = descriptorCapture.periodCount;
if (pDevice->capture.internalPeriodSizeInFrames == 0) {
pDevice->capture.internalPeriodSizeInFrames = ma_calculate_buffer_size_in_frames_from_milliseconds(descriptorCapture.periodSizeInMilliseconds, descriptorCapture.sampleRate);
}
}
if (pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex) {
if (!ma_device_descriptor_is_valid(&descriptorPlayback)) {
ma_device_uninit(pDevice);
return MA_INVALID_ARGS;
}
pDevice->playback.internalFormat = descriptorPlayback.format;
pDevice->playback.internalChannels = descriptorPlayback.channels;
pDevice->playback.internalSampleRate = descriptorPlayback.sampleRate;
ma_channel_map_copy(pDevice->playback.internalChannelMap, descriptorPlayback.channelMap, descriptorPlayback.channels);
pDevice->playback.internalPeriodSizeInFrames = descriptorPlayback.periodSizeInFrames;
pDevice->playback.internalPeriods = descriptorPlayback.periodCount;
if (pDevice->playback.internalPeriodSizeInFrames == 0) {
pDevice->playback.internalPeriodSizeInFrames = ma_calculate_buffer_size_in_frames_from_milliseconds(descriptorPlayback.periodSizeInMilliseconds, descriptorPlayback.sampleRate);
}
}
{
ma_device_info deviceInfo;
if (pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex || pConfig->deviceType == ma_device_type_loopback) {
result = ma_device_get_info(pDevice, (pConfig->deviceType == ma_device_type_loopback) ? ma_device_type_playback : ma_device_type_capture, &deviceInfo);
if (result == MA_SUCCESS) {
ma_strncpy_s(pDevice->capture.name, sizeof(pDevice->capture.name), deviceInfo.name, (size_t)-1);
} else {
if (descriptorCapture.pDeviceID == NULL) {
ma_strncpy_s(pDevice->capture.name, sizeof(pDevice->capture.name), MA_DEFAULT_CAPTURE_DEVICE_NAME, (size_t)-1);
} else {
ma_strncpy_s(pDevice->capture.name, sizeof(pDevice->capture.name), "Capture Device", (size_t)-1);
}
}
}
if (pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex) {
result = ma_device_get_info(pDevice, ma_device_type_playback, &deviceInfo);
if (result == MA_SUCCESS) {
ma_strncpy_s(pDevice->playback.name, sizeof(pDevice->playback.name), deviceInfo.name, (size_t)-1);
} else {
if (descriptorPlayback.pDeviceID == NULL) {
ma_strncpy_s(pDevice->playback.name, sizeof(pDevice->playback.name), MA_DEFAULT_PLAYBACK_DEVICE_NAME, (size_t)-1);
} else {
ma_strncpy_s(pDevice->playback.name, sizeof(pDevice->playback.name), "Playback Device", (size_t)-1);
}
}
}
}
ma_device__post_init_setup(pDevice, pConfig->deviceType);
#endif
result = ma_device_post_init(pDevice, pConfig->deviceType, &descriptorPlayback, &descriptorCapture);
if (result != MA_SUCCESS) {
ma_device_uninit(pDevice);
return result;
}
if (pConfig->noFixedSizedCallback == MA_FALSE) {
ma_uint32 intermediaryBufferCap = pConfig->periodSizeInFrames;
if (intermediaryBufferCap == 0) {
intermediaryBufferCap = ma_calculate_buffer_size_in_frames_from_milliseconds(pConfig->periodSizeInMilliseconds, pDevice->sampleRate);
}
if (pConfig->deviceType == ma_device_type_capture || pConfig->deviceType == ma_device_type_duplex || pConfig->deviceType == ma_device_type_loopback) {
ma_uint32 intermediaryBufferSizeInBytes;
pDevice->capture.intermediaryBufferLen = 0;
pDevice->capture.intermediaryBufferCap = intermediaryBufferCap;
if (pDevice->capture.intermediaryBufferCap == 0) {
pDevice->capture.intermediaryBufferCap = pDevice->capture.internalPeriodSizeInFrames;
}
intermediaryBufferSizeInBytes = pDevice->capture.intermediaryBufferCap * ma_get_bytes_per_frame(pDevice->capture.format, pDevice->capture.channels);
pDevice->capture.pIntermediaryBuffer = ma_malloc((size_t)intermediaryBufferSizeInBytes, &pContext->allocationCallbacks);
if (pDevice->capture.pIntermediaryBuffer == NULL) {
ma_device_uninit(pDevice);
return MA_OUT_OF_MEMORY;
}
ma_silence_pcm_frames(pDevice->capture.pIntermediaryBuffer, pDevice->capture.intermediaryBufferCap, pDevice->capture.format, pDevice->capture.channels);
pDevice->capture.intermediaryBufferLen = pDevice->capture.intermediaryBufferCap;
}
if (pConfig->deviceType == ma_device_type_playback || pConfig->deviceType == ma_device_type_duplex) {
ma_uint64 intermediaryBufferSizeInBytes;
pDevice->playback.intermediaryBufferLen = 0;
if (pConfig->deviceType == ma_device_type_duplex) {
pDevice->playback.intermediaryBufferCap = pDevice->capture.intermediaryBufferCap;
} else {
pDevice->playback.intermediaryBufferCap = intermediaryBufferCap;
if (pDevice->playback.intermediaryBufferCap == 0) {
pDevice->playback.intermediaryBufferCap = pDevice->playback.internalPeriodSizeInFrames;
}
}
intermediaryBufferSizeInBytes = pDevice->playback.intermediaryBufferCap * ma_get_bytes_per_frame(pDevice->playback.format, pDevice->playback.channels);
pDevice->playback.pIntermediaryBuffer = ma_malloc((size_t)intermediaryBufferSizeInBytes, &pContext->allocationCallbacks);
if (pDevice->playback.pIntermediaryBuffer == NULL) {
ma_device_uninit(pDevice);
return MA_OUT_OF_MEMORY;
}
ma_silence_pcm_frames(pDevice->playback.pIntermediaryBuffer, pDevice->playback.intermediaryBufferCap, pDevice->playback.format, pDevice->playback.channels);
pDevice->playback.intermediaryBufferLen = 0;
}
} else {
}
if (!ma_context_is_backend_asynchronous(pContext)) {
result = ma_thread_create(&pDevice->thread, pContext->threadPriority, pContext->threadStackSize, ma_worker_thread, pDevice, &pContext->allocationCallbacks);
if (result != MA_SUCCESS) {
ma_device_uninit(pDevice);
return result;
}
ma_event_wait(&pDevice->stopEvent);
MA_ASSERT(ma_device_get_state(pDevice) == ma_device_state_stopped);
} else {
if (ma_context_is_backend_asynchronous(pContext)) {
if (pConfig->deviceType == ma_device_type_duplex) {
result = ma_duplex_rb_init(pDevice->capture.format, pDevice->capture.channels, pDevice->sampleRate, pDevice->capture.internalSampleRate, pDevice->capture.internalPeriodSizeInFrames, &pDevice->pContext->allocationCallbacks, &pDevice->duplexRB);
if (result != MA_SUCCESS) {
ma_device_uninit(pDevice);
return result;
}
}
}
ma_device__set_state(pDevice, ma_device_state_stopped);
}
{
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, "[%s]\n", ma_get_backend_name(pDevice->pContext->backend));
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex || pDevice->type == ma_device_type_loopback) {
char name[MA_MAX_DEVICE_NAME_LENGTH + 1];
ma_device_get_name(pDevice, ma_device_type_capture, name, sizeof(name), NULL);
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, " %s (%s)\n", name, "Capture");
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, " Format: %s -> %s\n", ma_get_format_name(pDevice->capture.internalFormat), ma_get_format_name(pDevice->capture.format));
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, " Channels: %d -> %d\n", pDevice->capture.internalChannels, pDevice->capture.channels);
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, " Sample Rate: %d -> %d\n", pDevice->capture.internalSampleRate, pDevice->sampleRate);
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, " Buffer Size: %d*%d (%d)\n", pDevice->capture.internalPeriodSizeInFrames, pDevice->capture.internalPeriods, (pDevice->capture.internalPeriodSizeInFrames * pDevice->capture.internalPeriods));
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, " Conversion:\n");
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, " Pre Format Conversion: %s\n", pDevice->capture.converter.hasPreFormatConversion ? "YES" : "NO");
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, " Post Format Conversion: %s\n", pDevice->capture.converter.hasPostFormatConversion ? "YES" : "NO");
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, " Channel Routing: %s\n", pDevice->capture.converter.hasChannelConverter ? "YES" : "NO");
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, " Resampling: %s\n", pDevice->capture.converter.hasResampler ? "YES" : "NO");
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, " Passthrough: %s\n", pDevice->capture.converter.isPassthrough ? "YES" : "NO");
{
char channelMapStr[1024];
ma_channel_map_to_string(pDevice->capture.internalChannelMap, pDevice->capture.internalChannels, channelMapStr, sizeof(channelMapStr));
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, " Channel Map In: {%s}\n", channelMapStr);
ma_channel_map_to_string(pDevice->capture.channelMap, pDevice->capture.channels, channelMapStr, sizeof(channelMapStr));
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, " Channel Map Out: {%s}\n", channelMapStr);
}
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
char name[MA_MAX_DEVICE_NAME_LENGTH + 1];
ma_device_get_name(pDevice, ma_device_type_playback, name, sizeof(name), NULL);
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, " %s (%s)\n", name, "Playback");
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, " Format: %s -> %s\n", ma_get_format_name(pDevice->playback.format), ma_get_format_name(pDevice->playback.internalFormat));
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, " Channels: %d -> %d\n", pDevice->playback.channels, pDevice->playback.internalChannels);
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, " Sample Rate: %d -> %d\n", pDevice->sampleRate, pDevice->playback.internalSampleRate);
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, " Buffer Size: %d*%d (%d)\n", pDevice->playback.internalPeriodSizeInFrames, pDevice->playback.internalPeriods, (pDevice->playback.internalPeriodSizeInFrames * pDevice->playback.internalPeriods));
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, " Conversion:\n");
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, " Pre Format Conversion: %s\n", pDevice->playback.converter.hasPreFormatConversion ? "YES" : "NO");
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, " Post Format Conversion: %s\n", pDevice->playback.converter.hasPostFormatConversion ? "YES" : "NO");
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, " Channel Routing: %s\n", pDevice->playback.converter.hasChannelConverter ? "YES" : "NO");
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, " Resampling: %s\n", pDevice->playback.converter.hasResampler ? "YES" : "NO");
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, " Passthrough: %s\n", pDevice->playback.converter.isPassthrough ? "YES" : "NO");
{
char channelMapStr[1024];
ma_channel_map_to_string(pDevice->playback.channelMap, pDevice->playback.channels, channelMapStr, sizeof(channelMapStr));
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, " Channel Map In: {%s}\n", channelMapStr);
ma_channel_map_to_string(pDevice->playback.internalChannelMap, pDevice->playback.internalChannels, channelMapStr, sizeof(channelMapStr));
ma_log_postf(ma_device_get_log(pDevice), MA_LOG_LEVEL_INFO, " Channel Map Out: {%s}\n", channelMapStr);
}
}
}
MA_ASSERT(ma_device_get_state(pDevice) == ma_device_state_stopped);
return MA_SUCCESS;
}
MA_API ma_result ma_device_init_ex(const ma_backend backends[], ma_uint32 backendCount, const ma_context_config* pContextConfig, const ma_device_config* pConfig, ma_device* pDevice)
{
ma_result result;
ma_context* pContext;
ma_backend defaultBackends[ma_backend_null+1];
ma_uint32 iBackend;
ma_backend* pBackendsToIterate;
ma_uint32 backendsToIterateCount;
ma_allocation_callbacks allocationCallbacks;
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pContextConfig != NULL) {
result = ma_allocation_callbacks_init_copy(&allocationCallbacks, &pContextConfig->allocationCallbacks);
if (result != MA_SUCCESS) {
return result;
}
} else {
allocationCallbacks = ma_allocation_callbacks_init_default();
}
pContext = (ma_context*)ma_malloc(sizeof(*pContext), &allocationCallbacks);
if (pContext == NULL) {
return MA_OUT_OF_MEMORY;
}
for (iBackend = 0; iBackend <= ma_backend_null; ++iBackend) {
defaultBackends[iBackend] = (ma_backend)iBackend;
}
pBackendsToIterate = (ma_backend*)backends;
backendsToIterateCount = backendCount;
if (pBackendsToIterate == NULL) {
pBackendsToIterate = (ma_backend*)defaultBackends;
backendsToIterateCount = ma_countof(defaultBackends);
}
result = MA_NO_BACKEND;
for (iBackend = 0; iBackend < backendsToIterateCount; ++iBackend) {
#if defined(MA_APPLE_MOBILE)
ma_context_config contextConfig;
if (pContextConfig == NULL) {
contextConfig = ma_context_config_init();
switch (pConfig->deviceType) {
case ma_device_type_duplex: {
contextConfig.coreaudio.sessionCategory = ma_ios_session_category_play_and_record;
} break;
case ma_device_type_capture: {
contextConfig.coreaudio.sessionCategory = ma_ios_session_category_record;
} break;
case ma_device_type_playback:
default: {
contextConfig.coreaudio.sessionCategory = ma_ios_session_category_playback;
} break;
}
pContextConfig = &contextConfig;
}
#endif
result = ma_context_init(&pBackendsToIterate[iBackend], 1, pContextConfig, pContext);
if (result == MA_SUCCESS) {
result = ma_device_init(pContext, pConfig, pDevice);
if (result == MA_SUCCESS) {
break;
} else {
ma_context_uninit(pContext);
}
}
}
if (result != MA_SUCCESS) {
ma_free(pContext, &allocationCallbacks);
return result;
}
pDevice->isOwnerOfContext = MA_TRUE;
return result;
}
MA_API void ma_device_uninit(ma_device* pDevice)
{
if (!ma_device__is_initialized(pDevice)) {
return;
}
#if 0
{
if (ma_device_is_started(pDevice)) {
ma_device_stop(pDevice);
}
}
#endif
ma_device__set_state(pDevice, ma_device_state_uninitialized);
if (!ma_context_is_backend_asynchronous(pDevice->pContext)) {
ma_event_signal(&pDevice->wakeupEvent);
ma_thread_wait(&pDevice->thread);
}
if (pDevice->pContext->callbacks.onDeviceUninit != NULL) {
pDevice->pContext->callbacks.onDeviceUninit(pDevice);
}
ma_event_uninit(&pDevice->stopEvent);
ma_event_uninit(&pDevice->startEvent);
ma_event_uninit(&pDevice->wakeupEvent);
ma_mutex_uninit(&pDevice->startStopLock);
if (ma_context_is_backend_asynchronous(pDevice->pContext)) {
if (pDevice->type == ma_device_type_duplex) {
ma_duplex_rb_uninit(&pDevice->duplexRB);
}
}
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_duplex || pDevice->type == ma_device_type_loopback) {
ma_data_converter_uninit(&pDevice->capture.converter, &pDevice->pContext->allocationCallbacks);
}
if (pDevice->type == ma_device_type_playback || pDevice->type == ma_device_type_duplex) {
ma_data_converter_uninit(&pDevice->playback.converter, &pDevice->pContext->allocationCallbacks);
}
if (pDevice->playback.pInputCache != NULL) {
ma_free(pDevice->playback.pInputCache, &pDevice->pContext->allocationCallbacks);
}
if (pDevice->capture.pIntermediaryBuffer != NULL) {
ma_free(pDevice->capture.pIntermediaryBuffer, &pDevice->pContext->allocationCallbacks);
}
if (pDevice->playback.pIntermediaryBuffer != NULL) {
ma_free(pDevice->playback.pIntermediaryBuffer, &pDevice->pContext->allocationCallbacks);
}
if (pDevice->isOwnerOfContext) {
ma_allocation_callbacks allocationCallbacks = pDevice->pContext->allocationCallbacks;
ma_context_uninit(pDevice->pContext);
ma_free(pDevice->pContext, &allocationCallbacks);
}
MA_ZERO_OBJECT(pDevice);
}
MA_API ma_context* ma_device_get_context(ma_device* pDevice)
{
if (pDevice == NULL) {
return NULL;
}
return pDevice->pContext;
}
MA_API ma_log* ma_device_get_log(ma_device* pDevice)
{
return ma_context_get_log(ma_device_get_context(pDevice));
}
MA_API ma_result ma_device_get_info(ma_device* pDevice, ma_device_type type, ma_device_info* pDeviceInfo)
{
if (pDeviceInfo == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pDeviceInfo);
if (pDevice == NULL) {
return MA_INVALID_ARGS;
}
if (pDevice->pContext->callbacks.onDeviceGetInfo != NULL) {
return pDevice->pContext->callbacks.onDeviceGetInfo(pDevice, type, pDeviceInfo);
}
if (type == ma_device_type_playback) {
return ma_context_get_device_info(pDevice->pContext, type, pDevice->playback.pID, pDeviceInfo);
} else {
if (pDevice->type == ma_device_type_loopback && pDevice->capture.pID == NULL) {
type = ma_device_type_playback;
}
return ma_context_get_device_info(pDevice->pContext, type, pDevice->capture.pID, pDeviceInfo);
}
}
MA_API ma_result ma_device_get_name(ma_device* pDevice, ma_device_type type, char* pName, size_t nameCap, size_t* pLengthNotIncludingNullTerminator)
{
ma_result result;
ma_device_info deviceInfo;
if (pLengthNotIncludingNullTerminator != NULL) {
*pLengthNotIncludingNullTerminator = 0;
}
if (pName != NULL && nameCap > 0) {
pName[0] = '\0';
}
result = ma_device_get_info(pDevice, type, &deviceInfo);
if (result != MA_SUCCESS) {
return result;
}
if (pName != NULL) {
ma_strncpy_s(pName, nameCap, deviceInfo.name, (size_t)-1);
if (pLengthNotIncludingNullTerminator != NULL) {
*pLengthNotIncludingNullTerminator = strlen(pName);
}
} else {
if (pLengthNotIncludingNullTerminator != NULL) {
*pLengthNotIncludingNullTerminator = strlen(deviceInfo.name);
}
}
return MA_SUCCESS;
}
MA_API ma_result ma_device_start(ma_device* pDevice)
{
ma_result result;
if (pDevice == NULL) {
return MA_INVALID_ARGS;
}
if (ma_device_get_state(pDevice) == ma_device_state_uninitialized) {
return MA_INVALID_OPERATION;
}
if (ma_device_get_state(pDevice) == ma_device_state_started) {
return MA_SUCCESS;
}
ma_mutex_lock(&pDevice->startStopLock);
{
if (ma_device_get_state(pDevice) == ma_device_state_started) {
ma_mutex_unlock(&pDevice->startStopLock);
return MA_SUCCESS;
}
MA_ASSERT(ma_device_get_state(pDevice) == ma_device_state_stopped);
ma_device__set_state(pDevice, ma_device_state_starting);
if (ma_context_is_backend_asynchronous(pDevice->pContext)) {
if (pDevice->pContext->callbacks.onDeviceStart != NULL) {
result = pDevice->pContext->callbacks.onDeviceStart(pDevice);
} else {
result = MA_INVALID_OPERATION;
}
if (result == MA_SUCCESS) {
ma_device__set_state(pDevice, ma_device_state_started);
ma_device__on_notification_started(pDevice);
}
} else {
ma_event_signal(&pDevice->wakeupEvent);
ma_event_wait(&pDevice->startEvent);
result = pDevice->workResult;
}
if (result != MA_SUCCESS) {
ma_device__set_state(pDevice, ma_device_state_stopped);
}
}
ma_mutex_unlock(&pDevice->startStopLock);
return result;
}
MA_API ma_result ma_device_stop(ma_device* pDevice)
{
ma_result result;
if (pDevice == NULL) {
return MA_INVALID_ARGS;
}
if (ma_device_get_state(pDevice) == ma_device_state_uninitialized) {
return MA_INVALID_OPERATION;
}
if (ma_device_get_state(pDevice) == ma_device_state_stopped) {
return MA_SUCCESS;
}
ma_mutex_lock(&pDevice->startStopLock);
{
if (ma_device_get_state(pDevice) == ma_device_state_stopped) {
ma_mutex_unlock(&pDevice->startStopLock);
return MA_SUCCESS;
}
MA_ASSERT(ma_device_get_state(pDevice) == ma_device_state_started);
ma_device__set_state(pDevice, ma_device_state_stopping);
if (ma_context_is_backend_asynchronous(pDevice->pContext)) {
if (pDevice->pContext->callbacks.onDeviceStop != NULL) {
result = pDevice->pContext->callbacks.onDeviceStop(pDevice);
} else {
result = MA_INVALID_OPERATION;
}
ma_device__set_state(pDevice, ma_device_state_stopped);
} else {
MA_ASSERT(ma_device_get_state(pDevice) != ma_device_state_started);
if (pDevice->pContext->callbacks.onDeviceDataLoopWakeup != NULL) {
pDevice->pContext->callbacks.onDeviceDataLoopWakeup(pDevice);
}
ma_event_wait(&pDevice->stopEvent);
result = MA_SUCCESS;
}
pDevice->playback.intermediaryBufferLen = 0;
pDevice->playback.inputCacheConsumed = 0;
pDevice->playback.inputCacheRemaining = 0;
}
ma_mutex_unlock(&pDevice->startStopLock);
return result;
}
MA_API ma_bool32 ma_device_is_started(const ma_device* pDevice)
{
return ma_device_get_state(pDevice) == ma_device_state_started;
}
MA_API ma_device_state ma_device_get_state(const ma_device* pDevice)
{
if (pDevice == NULL) {
return ma_device_state_uninitialized;
}
return ma_atomic_device_state_get((ma_atomic_device_state*)&pDevice->state);
}
MA_API ma_result ma_device_set_master_volume(ma_device* pDevice, float volume)
{
if (pDevice == NULL) {
return MA_INVALID_ARGS;
}
if (volume < 0.0f) {
return MA_INVALID_ARGS;
}
ma_atomic_float_set(&pDevice->masterVolumeFactor, volume);
return MA_SUCCESS;
}
MA_API ma_result ma_device_get_master_volume(ma_device* pDevice, float* pVolume)
{
if (pVolume == NULL) {
return MA_INVALID_ARGS;
}
if (pDevice == NULL) {
*pVolume = 0;
return MA_INVALID_ARGS;
}
*pVolume = ma_atomic_float_get(&pDevice->masterVolumeFactor);
return MA_SUCCESS;
}
MA_API ma_result ma_device_set_master_volume_db(ma_device* pDevice, float gainDB)
{
if (gainDB > 0) {
return MA_INVALID_ARGS;
}
return ma_device_set_master_volume(pDevice, ma_volume_db_to_linear(gainDB));
}
MA_API ma_result ma_device_get_master_volume_db(ma_device* pDevice, float* pGainDB)
{
float factor;
ma_result result;
if (pGainDB == NULL) {
return MA_INVALID_ARGS;
}
result = ma_device_get_master_volume(pDevice, &factor);
if (result != MA_SUCCESS) {
*pGainDB = 0;
return result;
}
*pGainDB = ma_volume_linear_to_db(factor);
return MA_SUCCESS;
}
MA_API ma_result ma_device_handle_backend_data_callback(ma_device* pDevice, void* pOutput, const void* pInput, ma_uint32 frameCount)
{
if (pDevice == NULL) {
return MA_INVALID_ARGS;
}
if (pOutput == NULL && pInput == NULL) {
return MA_INVALID_ARGS;
}
if (frameCount == 0) {
return MA_INVALID_ARGS;
}
if (pDevice->type == ma_device_type_duplex) {
if (pInput != NULL) {
ma_device__handle_duplex_callback_capture(pDevice, frameCount, pInput, &pDevice->duplexRB.rb);
}
if (pOutput != NULL) {
ma_device__handle_duplex_callback_playback(pDevice, frameCount, pOutput, &pDevice->duplexRB.rb);
}
} else {
if (pDevice->type == ma_device_type_capture || pDevice->type == ma_device_type_loopback) {
if (pInput == NULL) {
return MA_INVALID_ARGS;
}
ma_device__send_frames_to_client(pDevice, frameCount, pInput);
}
if (pDevice->type == ma_device_type_playback) {
if (pOutput == NULL) {
return MA_INVALID_ARGS;
}
ma_device__read_frames_from_client(pDevice, frameCount, pOutput);
}
}
return MA_SUCCESS;
}
MA_API ma_uint32 ma_calculate_buffer_size_in_frames_from_descriptor(const ma_device_descriptor* pDescriptor, ma_uint32 nativeSampleRate, ma_performance_profile performanceProfile)
{
if (pDescriptor == NULL) {
return 0;
}
if (nativeSampleRate == 0) {
nativeSampleRate = pDescriptor->sampleRate;
}
if (nativeSampleRate == 0) {
nativeSampleRate = MA_DEFAULT_SAMPLE_RATE;
}
MA_ASSERT(nativeSampleRate != 0);
if (pDescriptor->periodSizeInFrames == 0) {
if (pDescriptor->periodSizeInMilliseconds == 0) {
if (performanceProfile == ma_performance_profile_low_latency) {
return ma_calculate_buffer_size_in_frames_from_milliseconds(MA_DEFAULT_PERIOD_SIZE_IN_MILLISECONDS_LOW_LATENCY, nativeSampleRate);
} else {
return ma_calculate_buffer_size_in_frames_from_milliseconds(MA_DEFAULT_PERIOD_SIZE_IN_MILLISECONDS_CONSERVATIVE, nativeSampleRate);
}
} else {
return ma_calculate_buffer_size_in_frames_from_milliseconds(pDescriptor->periodSizeInMilliseconds, nativeSampleRate);
}
} else {
return pDescriptor->periodSizeInFrames;
}
}
#endif
MA_API ma_uint32 ma_calculate_buffer_size_in_milliseconds_from_frames(ma_uint32 bufferSizeInFrames, ma_uint32 sampleRate)
{
if (sampleRate == 0) {
return 0;
}
return (bufferSizeInFrames*1000 + (sampleRate - 1)) / sampleRate;
}
MA_API ma_uint32 ma_calculate_buffer_size_in_frames_from_milliseconds(ma_uint32 bufferSizeInMilliseconds, ma_uint32 sampleRate)
{
if (sampleRate == 0) {
return 0;
}
return bufferSizeInMilliseconds*sampleRate / 1000;
}
MA_API void ma_copy_pcm_frames(void* dst, const void* src, ma_uint64 frameCount, ma_format format, ma_uint32 channels)
{
if (dst == src) {
return;
}
ma_copy_memory_64(dst, src, frameCount * ma_get_bytes_per_frame(format, channels));
}
MA_API void ma_silence_pcm_frames(void* p, ma_uint64 frameCount, ma_format format, ma_uint32 channels)
{
if (format == ma_format_u8) {
ma_uint64 sampleCount = frameCount * channels;
ma_uint64 iSample;
for (iSample = 0; iSample < sampleCount; iSample += 1) {
((ma_uint8*)p)[iSample] = 128;
}
} else {
ma_zero_memory_64(p, frameCount * ma_get_bytes_per_frame(format, channels));
}
}
MA_API void* ma_offset_pcm_frames_ptr(void* p, ma_uint64 offsetInFrames, ma_format format, ma_uint32 channels)
{
return ma_offset_ptr(p, offsetInFrames * ma_get_bytes_per_frame(format, channels));
}
MA_API const void* ma_offset_pcm_frames_const_ptr(const void* p, ma_uint64 offsetInFrames, ma_format format, ma_uint32 channels)
{
return ma_offset_ptr(p, offsetInFrames * ma_get_bytes_per_frame(format, channels));
}
MA_API void ma_clip_samples_u8(ma_uint8* pDst, const ma_int16* pSrc, ma_uint64 count)
{
ma_uint64 iSample;
MA_ASSERT(pDst != NULL);
MA_ASSERT(pSrc != NULL);
for (iSample = 0; iSample < count; iSample += 1) {
pDst[iSample] = ma_clip_u8(pSrc[iSample]);
}
}
MA_API void ma_clip_samples_s16(ma_int16* pDst, const ma_int32* pSrc, ma_uint64 count)
{
ma_uint64 iSample;
MA_ASSERT(pDst != NULL);
MA_ASSERT(pSrc != NULL);
for (iSample = 0; iSample < count; iSample += 1) {
pDst[iSample] = ma_clip_s16(pSrc[iSample]);
}
}
MA_API void ma_clip_samples_s24(ma_uint8* pDst, const ma_int64* pSrc, ma_uint64 count)
{
ma_uint64 iSample;
MA_ASSERT(pDst != NULL);
MA_ASSERT(pSrc != NULL);
for (iSample = 0; iSample < count; iSample += 1) {
ma_int64 s = ma_clip_s24(pSrc[iSample]);
pDst[iSample*3 + 0] = (ma_uint8)((s & 0x000000FF) >> 0);
pDst[iSample*3 + 1] = (ma_uint8)((s & 0x0000FF00) >> 8);
pDst[iSample*3 + 2] = (ma_uint8)((s & 0x00FF0000) >> 16);
}
}
MA_API void ma_clip_samples_s32(ma_int32* pDst, const ma_int64* pSrc, ma_uint64 count)
{
ma_uint64 iSample;
MA_ASSERT(pDst != NULL);
MA_ASSERT(pSrc != NULL);
for (iSample = 0; iSample < count; iSample += 1) {
pDst[iSample] = ma_clip_s32(pSrc[iSample]);
}
}
MA_API void ma_clip_samples_f32(float* pDst, const float* pSrc, ma_uint64 count)
{
ma_uint64 iSample;
MA_ASSERT(pDst != NULL);
MA_ASSERT(pSrc != NULL);
for (iSample = 0; iSample < count; iSample += 1) {
pDst[iSample] = ma_clip_f32(pSrc[iSample]);
}
}
MA_API void ma_clip_pcm_frames(void* pDst, const void* pSrc, ma_uint64 frameCount, ma_format format, ma_uint32 channels)
{
ma_uint64 sampleCount;
MA_ASSERT(pDst != NULL);
MA_ASSERT(pSrc != NULL);
sampleCount = frameCount * channels;
switch (format) {
case ma_format_u8: ma_clip_samples_u8( (ma_uint8*)pDst, (const ma_int16*)pSrc, sampleCount); break;
case ma_format_s16: ma_clip_samples_s16((ma_int16*)pDst, (const ma_int32*)pSrc, sampleCount); break;
case ma_format_s24: ma_clip_samples_s24((ma_uint8*)pDst, (const ma_int64*)pSrc, sampleCount); break;
case ma_format_s32: ma_clip_samples_s32((ma_int32*)pDst, (const ma_int64*)pSrc, sampleCount); break;
case ma_format_f32: ma_clip_samples_f32(( float*)pDst, (const float*)pSrc, sampleCount); break;
case ma_format_unknown:
case ma_format_count:
break;
}
}
MA_API void ma_copy_and_apply_volume_factor_u8(ma_uint8* pSamplesOut, const ma_uint8* pSamplesIn, ma_uint64 sampleCount, float factor)
{
ma_uint64 iSample;
if (pSamplesOut == NULL || pSamplesIn == NULL) {
return;
}
for (iSample = 0; iSample < sampleCount; iSample += 1) {
pSamplesOut[iSample] = (ma_uint8)(pSamplesIn[iSample] * factor);
}
}
MA_API void ma_copy_and_apply_volume_factor_s16(ma_int16* pSamplesOut, const ma_int16* pSamplesIn, ma_uint64 sampleCount, float factor)
{
ma_uint64 iSample;
if (pSamplesOut == NULL || pSamplesIn == NULL) {
return;
}
for (iSample = 0; iSample < sampleCount; iSample += 1) {
pSamplesOut[iSample] = (ma_int16)(pSamplesIn[iSample] * factor);
}
}
MA_API void ma_copy_and_apply_volume_factor_s24(void* pSamplesOut, const void* pSamplesIn, ma_uint64 sampleCount, float factor)
{
ma_uint64 iSample;
ma_uint8* pSamplesOut8;
ma_uint8* pSamplesIn8;
if (pSamplesOut == NULL || pSamplesIn == NULL) {
return;
}
pSamplesOut8 = (ma_uint8*)pSamplesOut;
pSamplesIn8 = (ma_uint8*)pSamplesIn;
for (iSample = 0; iSample < sampleCount; iSample += 1) {
ma_int32 sampleS32;
sampleS32 = (ma_int32)(((ma_uint32)(pSamplesIn8[iSample*3+0]) << 8) | ((ma_uint32)(pSamplesIn8[iSample*3+1]) << 16) | ((ma_uint32)(pSamplesIn8[iSample*3+2])) << 24);
sampleS32 = (ma_int32)(sampleS32 * factor);
pSamplesOut8[iSample*3+0] = (ma_uint8)(((ma_uint32)sampleS32 & 0x0000FF00) >> 8);
pSamplesOut8[iSample*3+1] = (ma_uint8)(((ma_uint32)sampleS32 & 0x00FF0000) >> 16);
pSamplesOut8[iSample*3+2] = (ma_uint8)(((ma_uint32)sampleS32 & 0xFF000000) >> 24);
}
}
MA_API void ma_copy_and_apply_volume_factor_s32(ma_int32* pSamplesOut, const ma_int32* pSamplesIn, ma_uint64 sampleCount, float factor)
{
ma_uint64 iSample;
if (pSamplesOut == NULL || pSamplesIn == NULL) {
return;
}
for (iSample = 0; iSample < sampleCount; iSample += 1) {
pSamplesOut[iSample] = (ma_int32)(pSamplesIn[iSample] * factor);
}
}
MA_API void ma_copy_and_apply_volume_factor_f32(float* pSamplesOut, const float* pSamplesIn, ma_uint64 sampleCount, float factor)
{
ma_uint64 iSample;
if (pSamplesOut == NULL || pSamplesIn == NULL) {
return;
}
if (factor == 1) {
if (pSamplesOut == pSamplesIn) {
} else {
for (iSample = 0; iSample < sampleCount; iSample += 1) {
pSamplesOut[iSample] = pSamplesIn[iSample];
}
}
} else {
for (iSample = 0; iSample < sampleCount; iSample += 1) {
pSamplesOut[iSample] = pSamplesIn[iSample] * factor;
}
}
}
MA_API void ma_apply_volume_factor_u8(ma_uint8* pSamples, ma_uint64 sampleCount, float factor)
{
ma_copy_and_apply_volume_factor_u8(pSamples, pSamples, sampleCount, factor);
}
MA_API void ma_apply_volume_factor_s16(ma_int16* pSamples, ma_uint64 sampleCount, float factor)
{
ma_copy_and_apply_volume_factor_s16(pSamples, pSamples, sampleCount, factor);
}
MA_API void ma_apply_volume_factor_s24(void* pSamples, ma_uint64 sampleCount, float factor)
{
ma_copy_and_apply_volume_factor_s24(pSamples, pSamples, sampleCount, factor);
}
MA_API void ma_apply_volume_factor_s32(ma_int32* pSamples, ma_uint64 sampleCount, float factor)
{
ma_copy_and_apply_volume_factor_s32(pSamples, pSamples, sampleCount, factor);
}
MA_API void ma_apply_volume_factor_f32(float* pSamples, ma_uint64 sampleCount, float factor)
{
ma_copy_and_apply_volume_factor_f32(pSamples, pSamples, sampleCount, factor);
}
MA_API void ma_copy_and_apply_volume_factor_pcm_frames_u8(ma_uint8* pFramesOut, const ma_uint8* pFramesIn, ma_uint64 frameCount, ma_uint32 channels, float factor)
{
ma_copy_and_apply_volume_factor_u8(pFramesOut, pFramesIn, frameCount*channels, factor);
}
MA_API void ma_copy_and_apply_volume_factor_pcm_frames_s16(ma_int16* pFramesOut, const ma_int16* pFramesIn, ma_uint64 frameCount, ma_uint32 channels, float factor)
{
ma_copy_and_apply_volume_factor_s16(pFramesOut, pFramesIn, frameCount*channels, factor);
}
MA_API void ma_copy_and_apply_volume_factor_pcm_frames_s24(void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount, ma_uint32 channels, float factor)
{
ma_copy_and_apply_volume_factor_s24(pFramesOut, pFramesIn, frameCount*channels, factor);
}
MA_API void ma_copy_and_apply_volume_factor_pcm_frames_s32(ma_int32* pFramesOut, const ma_int32* pFramesIn, ma_uint64 frameCount, ma_uint32 channels, float factor)
{
ma_copy_and_apply_volume_factor_s32(pFramesOut, pFramesIn, frameCount*channels, factor);
}
MA_API void ma_copy_and_apply_volume_factor_pcm_frames_f32(float* pFramesOut, const float* pFramesIn, ma_uint64 frameCount, ma_uint32 channels, float factor)
{
ma_copy_and_apply_volume_factor_f32(pFramesOut, pFramesIn, frameCount*channels, factor);
}
MA_API void ma_copy_and_apply_volume_factor_pcm_frames(void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount, ma_format format, ma_uint32 channels, float factor)
{
switch (format)
{
case ma_format_u8: ma_copy_and_apply_volume_factor_pcm_frames_u8 ((ma_uint8*)pFramesOut, (const ma_uint8*)pFramesIn, frameCount, channels, factor); return;
case ma_format_s16: ma_copy_and_apply_volume_factor_pcm_frames_s16((ma_int16*)pFramesOut, (const ma_int16*)pFramesIn, frameCount, channels, factor); return;
case ma_format_s24: ma_copy_and_apply_volume_factor_pcm_frames_s24( pFramesOut, pFramesIn, frameCount, channels, factor); return;
case ma_format_s32: ma_copy_and_apply_volume_factor_pcm_frames_s32((ma_int32*)pFramesOut, (const ma_int32*)pFramesIn, frameCount, channels, factor); return;
case ma_format_f32: ma_copy_and_apply_volume_factor_pcm_frames_f32( (float*)pFramesOut, (const float*)pFramesIn, frameCount, channels, factor); return;
default: return;
}
}
MA_API void ma_apply_volume_factor_pcm_frames_u8(ma_uint8* pFrames, ma_uint64 frameCount, ma_uint32 channels, float factor)
{
ma_copy_and_apply_volume_factor_pcm_frames_u8(pFrames, pFrames, frameCount, channels, factor);
}
MA_API void ma_apply_volume_factor_pcm_frames_s16(ma_int16* pFrames, ma_uint64 frameCount, ma_uint32 channels, float factor)
{
ma_copy_and_apply_volume_factor_pcm_frames_s16(pFrames, pFrames, frameCount, channels, factor);
}
MA_API void ma_apply_volume_factor_pcm_frames_s24(void* pFrames, ma_uint64 frameCount, ma_uint32 channels, float factor)
{
ma_copy_and_apply_volume_factor_pcm_frames_s24(pFrames, pFrames, frameCount, channels, factor);
}
MA_API void ma_apply_volume_factor_pcm_frames_s32(ma_int32* pFrames, ma_uint64 frameCount, ma_uint32 channels, float factor)
{
ma_copy_and_apply_volume_factor_pcm_frames_s32(pFrames, pFrames, frameCount, channels, factor);
}
MA_API void ma_apply_volume_factor_pcm_frames_f32(float* pFrames, ma_uint64 frameCount, ma_uint32 channels, float factor)
{
ma_copy_and_apply_volume_factor_pcm_frames_f32(pFrames, pFrames, frameCount, channels, factor);
}
MA_API void ma_apply_volume_factor_pcm_frames(void* pFramesOut, ma_uint64 frameCount, ma_format format, ma_uint32 channels, float factor)
{
ma_copy_and_apply_volume_factor_pcm_frames(pFramesOut, pFramesOut, frameCount, format, channels, factor);
}
MA_API void ma_copy_and_apply_volume_factor_per_channel_f32(float* pFramesOut, const float* pFramesIn, ma_uint64 frameCount, ma_uint32 channels, float* pChannelGains)
{
ma_uint64 iFrame;
if (channels == 2) {
}
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
ma_uint32 iChannel;
for (iChannel = 0; iChannel < channels; iChannel += 1) {
pFramesOut[iFrame * channels + iChannel] = pFramesIn[iFrame * channels + iChannel] * pChannelGains[iChannel];
}
}
}
static MA_INLINE ma_int16 ma_apply_volume_unclipped_u8(ma_int16 x, ma_int16 volume)
{
return (ma_int16)(((ma_int32)x * (ma_int32)volume) >> 8);
}
static MA_INLINE ma_int32 ma_apply_volume_unclipped_s16(ma_int32 x, ma_int16 volume)
{
return (ma_int32)((x * volume) >> 8);
}
static MA_INLINE ma_int64 ma_apply_volume_unclipped_s24(ma_int64 x, ma_int16 volume)
{
return (ma_int64)((x * volume) >> 8);
}
static MA_INLINE ma_int64 ma_apply_volume_unclipped_s32(ma_int64 x, ma_int16 volume)
{
return (ma_int64)((x * volume) >> 8);
}
static MA_INLINE float ma_apply_volume_unclipped_f32(float x, float volume)
{
return x * volume;
}
MA_API void ma_copy_and_apply_volume_and_clip_samples_u8(ma_uint8* pDst, const ma_int16* pSrc, ma_uint64 count, float volume)
{
ma_uint64 iSample;
ma_int16 volumeFixed;
MA_ASSERT(pDst != NULL);
MA_ASSERT(pSrc != NULL);
volumeFixed = ma_float_to_fixed_16(volume);
for (iSample = 0; iSample < count; iSample += 1) {
pDst[iSample] = ma_clip_u8(ma_apply_volume_unclipped_u8(pSrc[iSample], volumeFixed));
}
}
MA_API void ma_copy_and_apply_volume_and_clip_samples_s16(ma_int16* pDst, const ma_int32* pSrc, ma_uint64 count, float volume)
{
ma_uint64 iSample;
ma_int16 volumeFixed;
MA_ASSERT(pDst != NULL);
MA_ASSERT(pSrc != NULL);
volumeFixed = ma_float_to_fixed_16(volume);
for (iSample = 0; iSample < count; iSample += 1) {
pDst[iSample] = ma_clip_s16(ma_apply_volume_unclipped_s16(pSrc[iSample], volumeFixed));
}
}
MA_API void ma_copy_and_apply_volume_and_clip_samples_s24(ma_uint8* pDst, const ma_int64* pSrc, ma_uint64 count, float volume)
{
ma_uint64 iSample;
ma_int16 volumeFixed;
MA_ASSERT(pDst != NULL);
MA_ASSERT(pSrc != NULL);
volumeFixed = ma_float_to_fixed_16(volume);
for (iSample = 0; iSample < count; iSample += 1) {
ma_int64 s = ma_clip_s24(ma_apply_volume_unclipped_s24(pSrc[iSample], volumeFixed));
pDst[iSample*3 + 0] = (ma_uint8)((s & 0x000000FF) >> 0);
pDst[iSample*3 + 1] = (ma_uint8)((s & 0x0000FF00) >> 8);
pDst[iSample*3 + 2] = (ma_uint8)((s & 0x00FF0000) >> 16);
}
}
MA_API void ma_copy_and_apply_volume_and_clip_samples_s32(ma_int32* pDst, const ma_int64* pSrc, ma_uint64 count, float volume)
{
ma_uint64 iSample;
ma_int16 volumeFixed;
MA_ASSERT(pDst != NULL);
MA_ASSERT(pSrc != NULL);
volumeFixed = ma_float_to_fixed_16(volume);
for (iSample = 0; iSample < count; iSample += 1) {
pDst[iSample] = ma_clip_s32(ma_apply_volume_unclipped_s32(pSrc[iSample], volumeFixed));
}
}
MA_API void ma_copy_and_apply_volume_and_clip_samples_f32(float* pDst, const float* pSrc, ma_uint64 count, float volume)
{
ma_uint64 iSample;
MA_ASSERT(pDst != NULL);
MA_ASSERT(pSrc != NULL);
for (iSample = 0; iSample < count; iSample += 1) {
pDst[iSample] = ma_clip_f32(ma_apply_volume_unclipped_f32(pSrc[iSample], volume));
}
}
MA_API void ma_copy_and_apply_volume_and_clip_pcm_frames(void* pDst, const void* pSrc, ma_uint64 frameCount, ma_format format, ma_uint32 channels, float volume)
{
MA_ASSERT(pDst != NULL);
MA_ASSERT(pSrc != NULL);
if (volume == 1) {
ma_clip_pcm_frames(pDst, pSrc, frameCount, format, channels);
} else if (volume == 0) {
ma_silence_pcm_frames(pDst, frameCount, format, channels);
} else {
ma_uint64 sampleCount = frameCount * channels;
switch (format) {
case ma_format_u8: ma_copy_and_apply_volume_and_clip_samples_u8( (ma_uint8*)pDst, (const ma_int16*)pSrc, sampleCount, volume); break;
case ma_format_s16: ma_copy_and_apply_volume_and_clip_samples_s16((ma_int16*)pDst, (const ma_int32*)pSrc, sampleCount, volume); break;
case ma_format_s24: ma_copy_and_apply_volume_and_clip_samples_s24((ma_uint8*)pDst, (const ma_int64*)pSrc, sampleCount, volume); break;
case ma_format_s32: ma_copy_and_apply_volume_and_clip_samples_s32((ma_int32*)pDst, (const ma_int64*)pSrc, sampleCount, volume); break;
case ma_format_f32: ma_copy_and_apply_volume_and_clip_samples_f32(( float*)pDst, (const float*)pSrc, sampleCount, volume); break;
case ma_format_unknown:
case ma_format_count:
break;
}
}
}
MA_API float ma_volume_linear_to_db(float factor)
{
return 20*ma_log10f(factor);
}
MA_API float ma_volume_db_to_linear(float gain)
{
return ma_powf(10, gain/20.0f);
}
MA_API ma_result ma_mix_pcm_frames_f32(float* pDst, const float* pSrc, ma_uint64 frameCount, ma_uint32 channels, float volume)
{
ma_uint64 iSample;
ma_uint64 sampleCount;
if (pDst == NULL || pSrc == NULL || channels == 0) {
return MA_INVALID_ARGS;
}
if (volume == 0) {
return MA_SUCCESS;
}
sampleCount = frameCount * channels;
if (volume == 1) {
for (iSample = 0; iSample < sampleCount; iSample += 1) {
pDst[iSample] += pSrc[iSample];
}
} else {
for (iSample = 0; iSample < sampleCount; iSample += 1) {
pDst[iSample] += ma_apply_volume_unclipped_f32(pSrc[iSample], volume);
}
}
return MA_SUCCESS;
}
static MA_INLINE ma_int16 ma_pcm_sample_f32_to_s16(float x)
{
return (ma_int16)(x * 32767.0f);
}
static MA_INLINE ma_int16 ma_pcm_sample_u8_to_s16_no_scale(ma_uint8 x)
{
return (ma_int16)((ma_int16)x - 128);
}
static MA_INLINE ma_int64 ma_pcm_sample_s24_to_s32_no_scale(const ma_uint8* x)
{
return (ma_int64)(((ma_uint64)x[0] << 40) | ((ma_uint64)x[1] << 48) | ((ma_uint64)x[2] << 56)) >> 40;
}
static MA_INLINE void ma_pcm_sample_s32_to_s24_no_scale(ma_int64 x, ma_uint8* s24)
{
s24[0] = (ma_uint8)((x & 0x000000FF) >> 0);
s24[1] = (ma_uint8)((x & 0x0000FF00) >> 8);
s24[2] = (ma_uint8)((x & 0x00FF0000) >> 16);
}
MA_API void ma_pcm_u8_to_u8(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
(void)ditherMode;
ma_copy_memory_64(dst, src, count * sizeof(ma_uint8));
}
static MA_INLINE void ma_pcm_u8_to_s16__reference(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_int16* dst_s16 = (ma_int16*)dst;
const ma_uint8* src_u8 = (const ma_uint8*)src;
ma_uint64 i;
for (i = 0; i < count; i += 1) {
ma_int16 x = src_u8[i];
x = (ma_int16)(x - 128);
x = (ma_int16)(x << 8);
dst_s16[i] = x;
}
(void)ditherMode;
}
static MA_INLINE void ma_pcm_u8_to_s16__optimized(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_u8_to_s16__reference(dst, src, count, ditherMode);
}
#if defined(MA_SUPPORT_SSE2)
static MA_INLINE void ma_pcm_u8_to_s16__sse2(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_u8_to_s16__optimized(dst, src, count, ditherMode);
}
#endif
#if defined(MA_SUPPORT_NEON)
static MA_INLINE void ma_pcm_u8_to_s16__neon(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_u8_to_s16__optimized(dst, src, count, ditherMode);
}
#endif
MA_API void ma_pcm_u8_to_s16(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
ma_pcm_u8_to_s16__reference(dst, src, count, ditherMode);
#else
# if defined(MA_SUPPORT_SSE2)
if (ma_has_sse2()) {
ma_pcm_u8_to_s16__sse2(dst, src, count, ditherMode);
} else
#elif defined(MA_SUPPORT_NEON)
if (ma_has_neon()) {
ma_pcm_u8_to_s16__neon(dst, src, count, ditherMode);
} else
#endif
{
ma_pcm_u8_to_s16__optimized(dst, src, count, ditherMode);
}
#endif
}
static MA_INLINE void ma_pcm_u8_to_s24__reference(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_uint8* dst_s24 = (ma_uint8*)dst;
const ma_uint8* src_u8 = (const ma_uint8*)src;
ma_uint64 i;
for (i = 0; i < count; i += 1) {
ma_int16 x = src_u8[i];
x = (ma_int16)(x - 128);
dst_s24[i*3+0] = 0;
dst_s24[i*3+1] = 0;
dst_s24[i*3+2] = (ma_uint8)((ma_int8)x);
}
(void)ditherMode;
}
static MA_INLINE void ma_pcm_u8_to_s24__optimized(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_u8_to_s24__reference(dst, src, count, ditherMode);
}
#if defined(MA_SUPPORT_SSE2)
static MA_INLINE void ma_pcm_u8_to_s24__sse2(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_u8_to_s24__optimized(dst, src, count, ditherMode);
}
#endif
#if defined(MA_SUPPORT_NEON)
static MA_INLINE void ma_pcm_u8_to_s24__neon(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_u8_to_s24__optimized(dst, src, count, ditherMode);
}
#endif
MA_API void ma_pcm_u8_to_s24(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
ma_pcm_u8_to_s24__reference(dst, src, count, ditherMode);
#else
# if defined(MA_SUPPORT_SSE2)
if (ma_has_sse2()) {
ma_pcm_u8_to_s24__sse2(dst, src, count, ditherMode);
} else
#elif defined(MA_SUPPORT_NEON)
if (ma_has_neon()) {
ma_pcm_u8_to_s24__neon(dst, src, count, ditherMode);
} else
#endif
{
ma_pcm_u8_to_s24__optimized(dst, src, count, ditherMode);
}
#endif
}
static MA_INLINE void ma_pcm_u8_to_s32__reference(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_int32* dst_s32 = (ma_int32*)dst;
const ma_uint8* src_u8 = (const ma_uint8*)src;
ma_uint64 i;
for (i = 0; i < count; i += 1) {
ma_int32 x = src_u8[i];
x = x - 128;
x = x << 24;
dst_s32[i] = x;
}
(void)ditherMode;
}
static MA_INLINE void ma_pcm_u8_to_s32__optimized(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_u8_to_s32__reference(dst, src, count, ditherMode);
}
#if defined(MA_SUPPORT_SSE2)
static MA_INLINE void ma_pcm_u8_to_s32__sse2(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_u8_to_s32__optimized(dst, src, count, ditherMode);
}
#endif
#if defined(MA_SUPPORT_NEON)
static MA_INLINE void ma_pcm_u8_to_s32__neon(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_u8_to_s32__optimized(dst, src, count, ditherMode);
}
#endif
MA_API void ma_pcm_u8_to_s32(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
ma_pcm_u8_to_s32__reference(dst, src, count, ditherMode);
#else
# if defined(MA_SUPPORT_SSE2)
if (ma_has_sse2()) {
ma_pcm_u8_to_s32__sse2(dst, src, count, ditherMode);
} else
#elif defined(MA_SUPPORT_NEON)
if (ma_has_neon()) {
ma_pcm_u8_to_s32__neon(dst, src, count, ditherMode);
} else
#endif
{
ma_pcm_u8_to_s32__optimized(dst, src, count, ditherMode);
}
#endif
}
static MA_INLINE void ma_pcm_u8_to_f32__reference(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
float* dst_f32 = (float*)dst;
const ma_uint8* src_u8 = (const ma_uint8*)src;
ma_uint64 i;
for (i = 0; i < count; i += 1) {
float x = (float)src_u8[i];
x = x * 0.00784313725490196078f;
x = x - 1;
dst_f32[i] = x;
}
(void)ditherMode;
}
static MA_INLINE void ma_pcm_u8_to_f32__optimized(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_u8_to_f32__reference(dst, src, count, ditherMode);
}
#if defined(MA_SUPPORT_SSE2)
static MA_INLINE void ma_pcm_u8_to_f32__sse2(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_u8_to_f32__optimized(dst, src, count, ditherMode);
}
#endif
#if defined(MA_SUPPORT_NEON)
static MA_INLINE void ma_pcm_u8_to_f32__neon(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_u8_to_f32__optimized(dst, src, count, ditherMode);
}
#endif
MA_API void ma_pcm_u8_to_f32(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
ma_pcm_u8_to_f32__reference(dst, src, count, ditherMode);
#else
# if defined(MA_SUPPORT_SSE2)
if (ma_has_sse2()) {
ma_pcm_u8_to_f32__sse2(dst, src, count, ditherMode);
} else
#elif defined(MA_SUPPORT_NEON)
if (ma_has_neon()) {
ma_pcm_u8_to_f32__neon(dst, src, count, ditherMode);
} else
#endif
{
ma_pcm_u8_to_f32__optimized(dst, src, count, ditherMode);
}
#endif
}
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
static MA_INLINE void ma_pcm_interleave_u8__reference(void* dst, const void** src, ma_uint64 frameCount, ma_uint32 channels)
{
ma_uint8* dst_u8 = (ma_uint8*)dst;
const ma_uint8** src_u8 = (const ma_uint8**)src;
ma_uint64 iFrame;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
ma_uint32 iChannel;
for (iChannel = 0; iChannel < channels; iChannel += 1) {
dst_u8[iFrame*channels + iChannel] = src_u8[iChannel][iFrame];
}
}
}
#else
static MA_INLINE void ma_pcm_interleave_u8__optimized(void* dst, const void** src, ma_uint64 frameCount, ma_uint32 channels)
{
ma_uint8* dst_u8 = (ma_uint8*)dst;
const ma_uint8** src_u8 = (const ma_uint8**)src;
if (channels == 1) {
ma_copy_memory_64(dst, src[0], frameCount * sizeof(ma_uint8));
} else if (channels == 2) {
ma_uint64 iFrame;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
dst_u8[iFrame*2 + 0] = src_u8[0][iFrame];
dst_u8[iFrame*2 + 1] = src_u8[1][iFrame];
}
} else {
ma_uint64 iFrame;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
ma_uint32 iChannel;
for (iChannel = 0; iChannel < channels; iChannel += 1) {
dst_u8[iFrame*channels + iChannel] = src_u8[iChannel][iFrame];
}
}
}
}
#endif
MA_API void ma_pcm_interleave_u8(void* dst, const void** src, ma_uint64 frameCount, ma_uint32 channels)
{
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
ma_pcm_interleave_u8__reference(dst, src, frameCount, channels);
#else
ma_pcm_interleave_u8__optimized(dst, src, frameCount, channels);
#endif
}
static MA_INLINE void ma_pcm_deinterleave_u8__reference(void** dst, const void* src, ma_uint64 frameCount, ma_uint32 channels)
{
ma_uint8** dst_u8 = (ma_uint8**)dst;
const ma_uint8* src_u8 = (const ma_uint8*)src;
ma_uint64 iFrame;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
ma_uint32 iChannel;
for (iChannel = 0; iChannel < channels; iChannel += 1) {
dst_u8[iChannel][iFrame] = src_u8[iFrame*channels + iChannel];
}
}
}
static MA_INLINE void ma_pcm_deinterleave_u8__optimized(void** dst, const void* src, ma_uint64 frameCount, ma_uint32 channels)
{
ma_pcm_deinterleave_u8__reference(dst, src, frameCount, channels);
}
MA_API void ma_pcm_deinterleave_u8(void** dst, const void* src, ma_uint64 frameCount, ma_uint32 channels)
{
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
ma_pcm_deinterleave_u8__reference(dst, src, frameCount, channels);
#else
ma_pcm_deinterleave_u8__optimized(dst, src, frameCount, channels);
#endif
}
static MA_INLINE void ma_pcm_s16_to_u8__reference(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_uint8* dst_u8 = (ma_uint8*)dst;
const ma_int16* src_s16 = (const ma_int16*)src;
if (ditherMode == ma_dither_mode_none) {
ma_uint64 i;
for (i = 0; i < count; i += 1) {
ma_int16 x = src_s16[i];
x = (ma_int16)(x >> 8);
x = (ma_int16)(x + 128);
dst_u8[i] = (ma_uint8)x;
}
} else {
ma_uint64 i;
for (i = 0; i < count; i += 1) {
ma_int16 x = src_s16[i];
ma_int32 dither = ma_dither_s32(ditherMode, -0x80, 0x7F);
if ((x + dither) <= 0x7FFF) {
x = (ma_int16)(x + dither);
} else {
x = 0x7FFF;
}
x = (ma_int16)(x >> 8);
x = (ma_int16)(x + 128);
dst_u8[i] = (ma_uint8)x;
}
}
}
static MA_INLINE void ma_pcm_s16_to_u8__optimized(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s16_to_u8__reference(dst, src, count, ditherMode);
}
#if defined(MA_SUPPORT_SSE2)
static MA_INLINE void ma_pcm_s16_to_u8__sse2(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s16_to_u8__optimized(dst, src, count, ditherMode);
}
#endif
#if defined(MA_SUPPORT_NEON)
static MA_INLINE void ma_pcm_s16_to_u8__neon(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s16_to_u8__optimized(dst, src, count, ditherMode);
}
#endif
MA_API void ma_pcm_s16_to_u8(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
ma_pcm_s16_to_u8__reference(dst, src, count, ditherMode);
#else
# if defined(MA_SUPPORT_SSE2)
if (ma_has_sse2()) {
ma_pcm_s16_to_u8__sse2(dst, src, count, ditherMode);
} else
#elif defined(MA_SUPPORT_NEON)
if (ma_has_neon()) {
ma_pcm_s16_to_u8__neon(dst, src, count, ditherMode);
} else
#endif
{
ma_pcm_s16_to_u8__optimized(dst, src, count, ditherMode);
}
#endif
}
MA_API void ma_pcm_s16_to_s16(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
(void)ditherMode;
ma_copy_memory_64(dst, src, count * sizeof(ma_int16));
}
static MA_INLINE void ma_pcm_s16_to_s24__reference(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_uint8* dst_s24 = (ma_uint8*)dst;
const ma_int16* src_s16 = (const ma_int16*)src;
ma_uint64 i;
for (i = 0; i < count; i += 1) {
dst_s24[i*3+0] = 0;
dst_s24[i*3+1] = (ma_uint8)(src_s16[i] & 0xFF);
dst_s24[i*3+2] = (ma_uint8)(src_s16[i] >> 8);
}
(void)ditherMode;
}
static MA_INLINE void ma_pcm_s16_to_s24__optimized(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s16_to_s24__reference(dst, src, count, ditherMode);
}
#if defined(MA_SUPPORT_SSE2)
static MA_INLINE void ma_pcm_s16_to_s24__sse2(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s16_to_s24__optimized(dst, src, count, ditherMode);
}
#endif
#if defined(MA_SUPPORT_NEON)
static MA_INLINE void ma_pcm_s16_to_s24__neon(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s16_to_s24__optimized(dst, src, count, ditherMode);
}
#endif
MA_API void ma_pcm_s16_to_s24(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
ma_pcm_s16_to_s24__reference(dst, src, count, ditherMode);
#else
# if defined(MA_SUPPORT_SSE2)
if (ma_has_sse2()) {
ma_pcm_s16_to_s24__sse2(dst, src, count, ditherMode);
} else
#elif defined(MA_SUPPORT_NEON)
if (ma_has_neon()) {
ma_pcm_s16_to_s24__neon(dst, src, count, ditherMode);
} else
#endif
{
ma_pcm_s16_to_s24__optimized(dst, src, count, ditherMode);
}
#endif
}
static MA_INLINE void ma_pcm_s16_to_s32__reference(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_int32* dst_s32 = (ma_int32*)dst;
const ma_int16* src_s16 = (const ma_int16*)src;
ma_uint64 i;
for (i = 0; i < count; i += 1) {
dst_s32[i] = (ma_int32)src_s16[i] << 16;
}
(void)ditherMode;
}
static MA_INLINE void ma_pcm_s16_to_s32__optimized(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s16_to_s32__reference(dst, src, count, ditherMode);
}
#if defined(MA_SUPPORT_SSE2)
static MA_INLINE void ma_pcm_s16_to_s32__sse2(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s16_to_s32__optimized(dst, src, count, ditherMode);
}
#endif
#if defined(MA_SUPPORT_NEON)
static MA_INLINE void ma_pcm_s16_to_s32__neon(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s16_to_s32__optimized(dst, src, count, ditherMode);
}
#endif
MA_API void ma_pcm_s16_to_s32(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
ma_pcm_s16_to_s32__reference(dst, src, count, ditherMode);
#else
# if defined(MA_SUPPORT_SSE2)
if (ma_has_sse2()) {
ma_pcm_s16_to_s32__sse2(dst, src, count, ditherMode);
} else
#elif defined(MA_SUPPORT_NEON)
if (ma_has_neon()) {
ma_pcm_s16_to_s32__neon(dst, src, count, ditherMode);
} else
#endif
{
ma_pcm_s16_to_s32__optimized(dst, src, count, ditherMode);
}
#endif
}
static MA_INLINE void ma_pcm_s16_to_f32__reference(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
float* dst_f32 = (float*)dst;
const ma_int16* src_s16 = (const ma_int16*)src;
ma_uint64 i;
for (i = 0; i < count; i += 1) {
float x = (float)src_s16[i];
#if 0
x = x + 32768.0f;
x = x * 0.00003051804379339284f;
x = x - 1;
#else
x = x * 0.000030517578125f;
#endif
dst_f32[i] = x;
}
(void)ditherMode;
}
static MA_INLINE void ma_pcm_s16_to_f32__optimized(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s16_to_f32__reference(dst, src, count, ditherMode);
}
#if defined(MA_SUPPORT_SSE2)
static MA_INLINE void ma_pcm_s16_to_f32__sse2(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s16_to_f32__optimized(dst, src, count, ditherMode);
}
#endif
#if defined(MA_SUPPORT_NEON)
static MA_INLINE void ma_pcm_s16_to_f32__neon(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s16_to_f32__optimized(dst, src, count, ditherMode);
}
#endif
MA_API void ma_pcm_s16_to_f32(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
ma_pcm_s16_to_f32__reference(dst, src, count, ditherMode);
#else
# if defined(MA_SUPPORT_SSE2)
if (ma_has_sse2()) {
ma_pcm_s16_to_f32__sse2(dst, src, count, ditherMode);
} else
#elif defined(MA_SUPPORT_NEON)
if (ma_has_neon()) {
ma_pcm_s16_to_f32__neon(dst, src, count, ditherMode);
} else
#endif
{
ma_pcm_s16_to_f32__optimized(dst, src, count, ditherMode);
}
#endif
}
static MA_INLINE void ma_pcm_interleave_s16__reference(void* dst, const void** src, ma_uint64 frameCount, ma_uint32 channels)
{
ma_int16* dst_s16 = (ma_int16*)dst;
const ma_int16** src_s16 = (const ma_int16**)src;
ma_uint64 iFrame;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
ma_uint32 iChannel;
for (iChannel = 0; iChannel < channels; iChannel += 1) {
dst_s16[iFrame*channels + iChannel] = src_s16[iChannel][iFrame];
}
}
}
static MA_INLINE void ma_pcm_interleave_s16__optimized(void* dst, const void** src, ma_uint64 frameCount, ma_uint32 channels)
{
ma_pcm_interleave_s16__reference(dst, src, frameCount, channels);
}
MA_API void ma_pcm_interleave_s16(void* dst, const void** src, ma_uint64 frameCount, ma_uint32 channels)
{
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
ma_pcm_interleave_s16__reference(dst, src, frameCount, channels);
#else
ma_pcm_interleave_s16__optimized(dst, src, frameCount, channels);
#endif
}
static MA_INLINE void ma_pcm_deinterleave_s16__reference(void** dst, const void* src, ma_uint64 frameCount, ma_uint32 channels)
{
ma_int16** dst_s16 = (ma_int16**)dst;
const ma_int16* src_s16 = (const ma_int16*)src;
ma_uint64 iFrame;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
ma_uint32 iChannel;
for (iChannel = 0; iChannel < channels; iChannel += 1) {
dst_s16[iChannel][iFrame] = src_s16[iFrame*channels + iChannel];
}
}
}
static MA_INLINE void ma_pcm_deinterleave_s16__optimized(void** dst, const void* src, ma_uint64 frameCount, ma_uint32 channels)
{
ma_pcm_deinterleave_s16__reference(dst, src, frameCount, channels);
}
MA_API void ma_pcm_deinterleave_s16(void** dst, const void* src, ma_uint64 frameCount, ma_uint32 channels)
{
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
ma_pcm_deinterleave_s16__reference(dst, src, frameCount, channels);
#else
ma_pcm_deinterleave_s16__optimized(dst, src, frameCount, channels);
#endif
}
static MA_INLINE void ma_pcm_s24_to_u8__reference(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_uint8* dst_u8 = (ma_uint8*)dst;
const ma_uint8* src_s24 = (const ma_uint8*)src;
if (ditherMode == ma_dither_mode_none) {
ma_uint64 i;
for (i = 0; i < count; i += 1) {
dst_u8[i] = (ma_uint8)((ma_int8)src_s24[i*3 + 2] + 128);
}
} else {
ma_uint64 i;
for (i = 0; i < count; i += 1) {
ma_int32 x = (ma_int32)(((ma_uint32)(src_s24[i*3+0]) << 8) | ((ma_uint32)(src_s24[i*3+1]) << 16) | ((ma_uint32)(src_s24[i*3+2])) << 24);
ma_int32 dither = ma_dither_s32(ditherMode, -0x800000, 0x7FFFFF);
if ((ma_int64)x + dither <= 0x7FFFFFFF) {
x = x + dither;
} else {
x = 0x7FFFFFFF;
}
x = x >> 24;
x = x + 128;
dst_u8[i] = (ma_uint8)x;
}
}
}
static MA_INLINE void ma_pcm_s24_to_u8__optimized(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s24_to_u8__reference(dst, src, count, ditherMode);
}
#if defined(MA_SUPPORT_SSE2)
static MA_INLINE void ma_pcm_s24_to_u8__sse2(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s24_to_u8__optimized(dst, src, count, ditherMode);
}
#endif
#if defined(MA_SUPPORT_NEON)
static MA_INLINE void ma_pcm_s24_to_u8__neon(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s24_to_u8__optimized(dst, src, count, ditherMode);
}
#endif
MA_API void ma_pcm_s24_to_u8(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
ma_pcm_s24_to_u8__reference(dst, src, count, ditherMode);
#else
# if defined(MA_SUPPORT_SSE2)
if (ma_has_sse2()) {
ma_pcm_s24_to_u8__sse2(dst, src, count, ditherMode);
} else
#elif defined(MA_SUPPORT_NEON)
if (ma_has_neon()) {
ma_pcm_s24_to_u8__neon(dst, src, count, ditherMode);
} else
#endif
{
ma_pcm_s24_to_u8__optimized(dst, src, count, ditherMode);
}
#endif
}
static MA_INLINE void ma_pcm_s24_to_s16__reference(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_int16* dst_s16 = (ma_int16*)dst;
const ma_uint8* src_s24 = (const ma_uint8*)src;
if (ditherMode == ma_dither_mode_none) {
ma_uint64 i;
for (i = 0; i < count; i += 1) {
ma_uint16 dst_lo = ((ma_uint16)src_s24[i*3 + 1]);
ma_uint16 dst_hi = (ma_uint16)((ma_uint16)src_s24[i*3 + 2] << 8);
dst_s16[i] = (ma_int16)(dst_lo | dst_hi);
}
} else {
ma_uint64 i;
for (i = 0; i < count; i += 1) {
ma_int32 x = (ma_int32)(((ma_uint32)(src_s24[i*3+0]) << 8) | ((ma_uint32)(src_s24[i*3+1]) << 16) | ((ma_uint32)(src_s24[i*3+2])) << 24);
ma_int32 dither = ma_dither_s32(ditherMode, -0x8000, 0x7FFF);
if ((ma_int64)x + dither <= 0x7FFFFFFF) {
x = x + dither;
} else {
x = 0x7FFFFFFF;
}
x = x >> 16;
dst_s16[i] = (ma_int16)x;
}
}
}
static MA_INLINE void ma_pcm_s24_to_s16__optimized(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s24_to_s16__reference(dst, src, count, ditherMode);
}
#if defined(MA_SUPPORT_SSE2)
static MA_INLINE void ma_pcm_s24_to_s16__sse2(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s24_to_s16__optimized(dst, src, count, ditherMode);
}
#endif
#if defined(MA_SUPPORT_NEON)
static MA_INLINE void ma_pcm_s24_to_s16__neon(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s24_to_s16__optimized(dst, src, count, ditherMode);
}
#endif
MA_API void ma_pcm_s24_to_s16(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
ma_pcm_s24_to_s16__reference(dst, src, count, ditherMode);
#else
# if defined(MA_SUPPORT_SSE2)
if (ma_has_sse2()) {
ma_pcm_s24_to_s16__sse2(dst, src, count, ditherMode);
} else
#elif defined(MA_SUPPORT_NEON)
if (ma_has_neon()) {
ma_pcm_s24_to_s16__neon(dst, src, count, ditherMode);
} else
#endif
{
ma_pcm_s24_to_s16__optimized(dst, src, count, ditherMode);
}
#endif
}
MA_API void ma_pcm_s24_to_s24(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
(void)ditherMode;
ma_copy_memory_64(dst, src, count * 3);
}
static MA_INLINE void ma_pcm_s24_to_s32__reference(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_int32* dst_s32 = (ma_int32*)dst;
const ma_uint8* src_s24 = (const ma_uint8*)src;
ma_uint64 i;
for (i = 0; i < count; i += 1) {
dst_s32[i] = (ma_int32)(((ma_uint32)(src_s24[i*3+0]) << 8) | ((ma_uint32)(src_s24[i*3+1]) << 16) | ((ma_uint32)(src_s24[i*3+2])) << 24);
}
(void)ditherMode;
}
static MA_INLINE void ma_pcm_s24_to_s32__optimized(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s24_to_s32__reference(dst, src, count, ditherMode);
}
#if defined(MA_SUPPORT_SSE2)
static MA_INLINE void ma_pcm_s24_to_s32__sse2(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s24_to_s32__optimized(dst, src, count, ditherMode);
}
#endif
#if defined(MA_SUPPORT_NEON)
static MA_INLINE void ma_pcm_s24_to_s32__neon(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s24_to_s32__optimized(dst, src, count, ditherMode);
}
#endif
MA_API void ma_pcm_s24_to_s32(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
ma_pcm_s24_to_s32__reference(dst, src, count, ditherMode);
#else
# if defined(MA_SUPPORT_SSE2)
if (ma_has_sse2()) {
ma_pcm_s24_to_s32__sse2(dst, src, count, ditherMode);
} else
#elif defined(MA_SUPPORT_NEON)
if (ma_has_neon()) {
ma_pcm_s24_to_s32__neon(dst, src, count, ditherMode);
} else
#endif
{
ma_pcm_s24_to_s32__optimized(dst, src, count, ditherMode);
}
#endif
}
static MA_INLINE void ma_pcm_s24_to_f32__reference(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
float* dst_f32 = (float*)dst;
const ma_uint8* src_s24 = (const ma_uint8*)src;
ma_uint64 i;
for (i = 0; i < count; i += 1) {
float x = (float)(((ma_int32)(((ma_uint32)(src_s24[i*3+0]) << 8) | ((ma_uint32)(src_s24[i*3+1]) << 16) | ((ma_uint32)(src_s24[i*3+2])) << 24)) >> 8);
#if 0
x = x + 8388608.0f;
x = x * 0.00000011920929665621f;
x = x - 1;
#else
x = x * 0.00000011920928955078125f;
#endif
dst_f32[i] = x;
}
(void)ditherMode;
}
static MA_INLINE void ma_pcm_s24_to_f32__optimized(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s24_to_f32__reference(dst, src, count, ditherMode);
}
#if defined(MA_SUPPORT_SSE2)
static MA_INLINE void ma_pcm_s24_to_f32__sse2(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s24_to_f32__optimized(dst, src, count, ditherMode);
}
#endif
#if defined(MA_SUPPORT_NEON)
static MA_INLINE void ma_pcm_s24_to_f32__neon(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s24_to_f32__optimized(dst, src, count, ditherMode);
}
#endif
MA_API void ma_pcm_s24_to_f32(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
ma_pcm_s24_to_f32__reference(dst, src, count, ditherMode);
#else
# if defined(MA_SUPPORT_SSE2)
if (ma_has_sse2()) {
ma_pcm_s24_to_f32__sse2(dst, src, count, ditherMode);
} else
#elif defined(MA_SUPPORT_NEON)
if (ma_has_neon()) {
ma_pcm_s24_to_f32__neon(dst, src, count, ditherMode);
} else
#endif
{
ma_pcm_s24_to_f32__optimized(dst, src, count, ditherMode);
}
#endif
}
static MA_INLINE void ma_pcm_interleave_s24__reference(void* dst, const void** src, ma_uint64 frameCount, ma_uint32 channels)
{
ma_uint8* dst8 = (ma_uint8*)dst;
const ma_uint8** src8 = (const ma_uint8**)src;
ma_uint64 iFrame;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
ma_uint32 iChannel;
for (iChannel = 0; iChannel < channels; iChannel += 1) {
dst8[iFrame*3*channels + iChannel*3 + 0] = src8[iChannel][iFrame*3 + 0];
dst8[iFrame*3*channels + iChannel*3 + 1] = src8[iChannel][iFrame*3 + 1];
dst8[iFrame*3*channels + iChannel*3 + 2] = src8[iChannel][iFrame*3 + 2];
}
}
}
static MA_INLINE void ma_pcm_interleave_s24__optimized(void* dst, const void** src, ma_uint64 frameCount, ma_uint32 channels)
{
ma_pcm_interleave_s24__reference(dst, src, frameCount, channels);
}
MA_API void ma_pcm_interleave_s24(void* dst, const void** src, ma_uint64 frameCount, ma_uint32 channels)
{
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
ma_pcm_interleave_s24__reference(dst, src, frameCount, channels);
#else
ma_pcm_interleave_s24__optimized(dst, src, frameCount, channels);
#endif
}
static MA_INLINE void ma_pcm_deinterleave_s24__reference(void** dst, const void* src, ma_uint64 frameCount, ma_uint32 channels)
{
ma_uint8** dst8 = (ma_uint8**)dst;
const ma_uint8* src8 = (const ma_uint8*)src;
ma_uint32 iFrame;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
ma_uint32 iChannel;
for (iChannel = 0; iChannel < channels; iChannel += 1) {
dst8[iChannel][iFrame*3 + 0] = src8[iFrame*3*channels + iChannel*3 + 0];
dst8[iChannel][iFrame*3 + 1] = src8[iFrame*3*channels + iChannel*3 + 1];
dst8[iChannel][iFrame*3 + 2] = src8[iFrame*3*channels + iChannel*3 + 2];
}
}
}
static MA_INLINE void ma_pcm_deinterleave_s24__optimized(void** dst, const void* src, ma_uint64 frameCount, ma_uint32 channels)
{
ma_pcm_deinterleave_s24__reference(dst, src, frameCount, channels);
}
MA_API void ma_pcm_deinterleave_s24(void** dst, const void* src, ma_uint64 frameCount, ma_uint32 channels)
{
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
ma_pcm_deinterleave_s24__reference(dst, src, frameCount, channels);
#else
ma_pcm_deinterleave_s24__optimized(dst, src, frameCount, channels);
#endif
}
static MA_INLINE void ma_pcm_s32_to_u8__reference(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_uint8* dst_u8 = (ma_uint8*)dst;
const ma_int32* src_s32 = (const ma_int32*)src;
if (ditherMode == ma_dither_mode_none) {
ma_uint64 i;
for (i = 0; i < count; i += 1) {
ma_int32 x = src_s32[i];
x = x >> 24;
x = x + 128;
dst_u8[i] = (ma_uint8)x;
}
} else {
ma_uint64 i;
for (i = 0; i < count; i += 1) {
ma_int32 x = src_s32[i];
ma_int32 dither = ma_dither_s32(ditherMode, -0x800000, 0x7FFFFF);
if ((ma_int64)x + dither <= 0x7FFFFFFF) {
x = x + dither;
} else {
x = 0x7FFFFFFF;
}
x = x >> 24;
x = x + 128;
dst_u8[i] = (ma_uint8)x;
}
}
}
static MA_INLINE void ma_pcm_s32_to_u8__optimized(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s32_to_u8__reference(dst, src, count, ditherMode);
}
#if defined(MA_SUPPORT_SSE2)
static MA_INLINE void ma_pcm_s32_to_u8__sse2(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s32_to_u8__optimized(dst, src, count, ditherMode);
}
#endif
#if defined(MA_SUPPORT_NEON)
static MA_INLINE void ma_pcm_s32_to_u8__neon(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s32_to_u8__optimized(dst, src, count, ditherMode);
}
#endif
MA_API void ma_pcm_s32_to_u8(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
ma_pcm_s32_to_u8__reference(dst, src, count, ditherMode);
#else
# if defined(MA_SUPPORT_SSE2)
if (ma_has_sse2()) {
ma_pcm_s32_to_u8__sse2(dst, src, count, ditherMode);
} else
#elif defined(MA_SUPPORT_NEON)
if (ma_has_neon()) {
ma_pcm_s32_to_u8__neon(dst, src, count, ditherMode);
} else
#endif
{
ma_pcm_s32_to_u8__optimized(dst, src, count, ditherMode);
}
#endif
}
static MA_INLINE void ma_pcm_s32_to_s16__reference(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_int16* dst_s16 = (ma_int16*)dst;
const ma_int32* src_s32 = (const ma_int32*)src;
if (ditherMode == ma_dither_mode_none) {
ma_uint64 i;
for (i = 0; i < count; i += 1) {
ma_int32 x = src_s32[i];
x = x >> 16;
dst_s16[i] = (ma_int16)x;
}
} else {
ma_uint64 i;
for (i = 0; i < count; i += 1) {
ma_int32 x = src_s32[i];
ma_int32 dither = ma_dither_s32(ditherMode, -0x8000, 0x7FFF);
if ((ma_int64)x + dither <= 0x7FFFFFFF) {
x = x + dither;
} else {
x = 0x7FFFFFFF;
}
x = x >> 16;
dst_s16[i] = (ma_int16)x;
}
}
}
static MA_INLINE void ma_pcm_s32_to_s16__optimized(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s32_to_s16__reference(dst, src, count, ditherMode);
}
#if defined(MA_SUPPORT_SSE2)
static MA_INLINE void ma_pcm_s32_to_s16__sse2(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s32_to_s16__optimized(dst, src, count, ditherMode);
}
#endif
#if defined(MA_SUPPORT_NEON)
static MA_INLINE void ma_pcm_s32_to_s16__neon(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s32_to_s16__optimized(dst, src, count, ditherMode);
}
#endif
MA_API void ma_pcm_s32_to_s16(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
ma_pcm_s32_to_s16__reference(dst, src, count, ditherMode);
#else
# if defined(MA_SUPPORT_SSE2)
if (ma_has_sse2()) {
ma_pcm_s32_to_s16__sse2(dst, src, count, ditherMode);
} else
#elif defined(MA_SUPPORT_NEON)
if (ma_has_neon()) {
ma_pcm_s32_to_s16__neon(dst, src, count, ditherMode);
} else
#endif
{
ma_pcm_s32_to_s16__optimized(dst, src, count, ditherMode);
}
#endif
}
static MA_INLINE void ma_pcm_s32_to_s24__reference(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_uint8* dst_s24 = (ma_uint8*)dst;
const ma_int32* src_s32 = (const ma_int32*)src;
ma_uint64 i;
for (i = 0; i < count; i += 1) {
ma_uint32 x = (ma_uint32)src_s32[i];
dst_s24[i*3+0] = (ma_uint8)((x & 0x0000FF00) >> 8);
dst_s24[i*3+1] = (ma_uint8)((x & 0x00FF0000) >> 16);
dst_s24[i*3+2] = (ma_uint8)((x & 0xFF000000) >> 24);
}
(void)ditherMode;
}
static MA_INLINE void ma_pcm_s32_to_s24__optimized(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s32_to_s24__reference(dst, src, count, ditherMode);
}
#if defined(MA_SUPPORT_SSE2)
static MA_INLINE void ma_pcm_s32_to_s24__sse2(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s32_to_s24__optimized(dst, src, count, ditherMode);
}
#endif
#if defined(MA_SUPPORT_NEON)
static MA_INLINE void ma_pcm_s32_to_s24__neon(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s32_to_s24__optimized(dst, src, count, ditherMode);
}
#endif
MA_API void ma_pcm_s32_to_s24(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
ma_pcm_s32_to_s24__reference(dst, src, count, ditherMode);
#else
# if defined(MA_SUPPORT_SSE2)
if (ma_has_sse2()) {
ma_pcm_s32_to_s24__sse2(dst, src, count, ditherMode);
} else
#elif defined(MA_SUPPORT_NEON)
if (ma_has_neon()) {
ma_pcm_s32_to_s24__neon(dst, src, count, ditherMode);
} else
#endif
{
ma_pcm_s32_to_s24__optimized(dst, src, count, ditherMode);
}
#endif
}
MA_API void ma_pcm_s32_to_s32(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
(void)ditherMode;
ma_copy_memory_64(dst, src, count * sizeof(ma_int32));
}
static MA_INLINE void ma_pcm_s32_to_f32__reference(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
float* dst_f32 = (float*)dst;
const ma_int32* src_s32 = (const ma_int32*)src;
ma_uint64 i;
for (i = 0; i < count; i += 1) {
double x = src_s32[i];
#if 0
x = x + 2147483648.0;
x = x * 0.0000000004656612873077392578125;
x = x - 1;
#else
x = x / 2147483648.0;
#endif
dst_f32[i] = (float)x;
}
(void)ditherMode;
}
static MA_INLINE void ma_pcm_s32_to_f32__optimized(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s32_to_f32__reference(dst, src, count, ditherMode);
}
#if defined(MA_SUPPORT_SSE2)
static MA_INLINE void ma_pcm_s32_to_f32__sse2(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s32_to_f32__optimized(dst, src, count, ditherMode);
}
#endif
#if defined(MA_SUPPORT_NEON)
static MA_INLINE void ma_pcm_s32_to_f32__neon(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_s32_to_f32__optimized(dst, src, count, ditherMode);
}
#endif
MA_API void ma_pcm_s32_to_f32(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
ma_pcm_s32_to_f32__reference(dst, src, count, ditherMode);
#else
# if defined(MA_SUPPORT_SSE2)
if (ma_has_sse2()) {
ma_pcm_s32_to_f32__sse2(dst, src, count, ditherMode);
} else
#elif defined(MA_SUPPORT_NEON)
if (ma_has_neon()) {
ma_pcm_s32_to_f32__neon(dst, src, count, ditherMode);
} else
#endif
{
ma_pcm_s32_to_f32__optimized(dst, src, count, ditherMode);
}
#endif
}
static MA_INLINE void ma_pcm_interleave_s32__reference(void* dst, const void** src, ma_uint64 frameCount, ma_uint32 channels)
{
ma_int32* dst_s32 = (ma_int32*)dst;
const ma_int32** src_s32 = (const ma_int32**)src;
ma_uint64 iFrame;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
ma_uint32 iChannel;
for (iChannel = 0; iChannel < channels; iChannel += 1) {
dst_s32[iFrame*channels + iChannel] = src_s32[iChannel][iFrame];
}
}
}
static MA_INLINE void ma_pcm_interleave_s32__optimized(void* dst, const void** src, ma_uint64 frameCount, ma_uint32 channels)
{
ma_pcm_interleave_s32__reference(dst, src, frameCount, channels);
}
MA_API void ma_pcm_interleave_s32(void* dst, const void** src, ma_uint64 frameCount, ma_uint32 channels)
{
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
ma_pcm_interleave_s32__reference(dst, src, frameCount, channels);
#else
ma_pcm_interleave_s32__optimized(dst, src, frameCount, channels);
#endif
}
static MA_INLINE void ma_pcm_deinterleave_s32__reference(void** dst, const void* src, ma_uint64 frameCount, ma_uint32 channels)
{
ma_int32** dst_s32 = (ma_int32**)dst;
const ma_int32* src_s32 = (const ma_int32*)src;
ma_uint64 iFrame;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
ma_uint32 iChannel;
for (iChannel = 0; iChannel < channels; iChannel += 1) {
dst_s32[iChannel][iFrame] = src_s32[iFrame*channels + iChannel];
}
}
}
static MA_INLINE void ma_pcm_deinterleave_s32__optimized(void** dst, const void* src, ma_uint64 frameCount, ma_uint32 channels)
{
ma_pcm_deinterleave_s32__reference(dst, src, frameCount, channels);
}
MA_API void ma_pcm_deinterleave_s32(void** dst, const void* src, ma_uint64 frameCount, ma_uint32 channels)
{
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
ma_pcm_deinterleave_s32__reference(dst, src, frameCount, channels);
#else
ma_pcm_deinterleave_s32__optimized(dst, src, frameCount, channels);
#endif
}
static MA_INLINE void ma_pcm_f32_to_u8__reference(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_uint64 i;
ma_uint8* dst_u8 = (ma_uint8*)dst;
const float* src_f32 = (const float*)src;
float ditherMin = 0;
float ditherMax = 0;
if (ditherMode != ma_dither_mode_none) {
ditherMin = 1.0f / -128;
ditherMax = 1.0f / 127;
}
for (i = 0; i < count; i += 1) {
float x = src_f32[i];
x = x + ma_dither_f32(ditherMode, ditherMin, ditherMax);
x = ((x < -1) ? -1 : ((x > 1) ? 1 : x));
x = x + 1;
x = x * 127.5f;
dst_u8[i] = (ma_uint8)x;
}
}
static MA_INLINE void ma_pcm_f32_to_u8__optimized(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_f32_to_u8__reference(dst, src, count, ditherMode);
}
#if defined(MA_SUPPORT_SSE2)
static MA_INLINE void ma_pcm_f32_to_u8__sse2(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_f32_to_u8__optimized(dst, src, count, ditherMode);
}
#endif
#if defined(MA_SUPPORT_NEON)
static MA_INLINE void ma_pcm_f32_to_u8__neon(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_f32_to_u8__optimized(dst, src, count, ditherMode);
}
#endif
MA_API void ma_pcm_f32_to_u8(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
ma_pcm_f32_to_u8__reference(dst, src, count, ditherMode);
#else
# if defined(MA_SUPPORT_SSE2)
if (ma_has_sse2()) {
ma_pcm_f32_to_u8__sse2(dst, src, count, ditherMode);
} else
#elif defined(MA_SUPPORT_NEON)
if (ma_has_neon()) {
ma_pcm_f32_to_u8__neon(dst, src, count, ditherMode);
} else
#endif
{
ma_pcm_f32_to_u8__optimized(dst, src, count, ditherMode);
}
#endif
}
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
static MA_INLINE void ma_pcm_f32_to_s16__reference(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_uint64 i;
ma_int16* dst_s16 = (ma_int16*)dst;
const float* src_f32 = (const float*)src;
float ditherMin = 0;
float ditherMax = 0;
if (ditherMode != ma_dither_mode_none) {
ditherMin = 1.0f / -32768;
ditherMax = 1.0f / 32767;
}
for (i = 0; i < count; i += 1) {
float x = src_f32[i];
x = x + ma_dither_f32(ditherMode, ditherMin, ditherMax);
x = ((x < -1) ? -1 : ((x > 1) ? 1 : x));
#if 0
x = x + 1;
x = x * 32767.5f;
x = x - 32768.0f;
#else
x = x * 32767.0f;
#endif
dst_s16[i] = (ma_int16)x;
}
}
#else
static MA_INLINE void ma_pcm_f32_to_s16__optimized(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_uint64 i;
ma_uint64 i4;
ma_uint64 count4;
ma_int16* dst_s16 = (ma_int16*)dst;
const float* src_f32 = (const float*)src;
float ditherMin = 0;
float ditherMax = 0;
if (ditherMode != ma_dither_mode_none) {
ditherMin = 1.0f / -32768;
ditherMax = 1.0f / 32767;
}
i = 0;
count4 = count >> 2;
for (i4 = 0; i4 < count4; i4 += 1) {
float d0 = ma_dither_f32(ditherMode, ditherMin, ditherMax);
float d1 = ma_dither_f32(ditherMode, ditherMin, ditherMax);
float d2 = ma_dither_f32(ditherMode, ditherMin, ditherMax);
float d3 = ma_dither_f32(ditherMode, ditherMin, ditherMax);
float x0 = src_f32[i+0];
float x1 = src_f32[i+1];
float x2 = src_f32[i+2];
float x3 = src_f32[i+3];
x0 = x0 + d0;
x1 = x1 + d1;
x2 = x2 + d2;
x3 = x3 + d3;
x0 = ((x0 < -1) ? -1 : ((x0 > 1) ? 1 : x0));
x1 = ((x1 < -1) ? -1 : ((x1 > 1) ? 1 : x1));
x2 = ((x2 < -1) ? -1 : ((x2 > 1) ? 1 : x2));
x3 = ((x3 < -1) ? -1 : ((x3 > 1) ? 1 : x3));
x0 = x0 * 32767.0f;
x1 = x1 * 32767.0f;
x2 = x2 * 32767.0f;
x3 = x3 * 32767.0f;
dst_s16[i+0] = (ma_int16)x0;
dst_s16[i+1] = (ma_int16)x1;
dst_s16[i+2] = (ma_int16)x2;
dst_s16[i+3] = (ma_int16)x3;
i += 4;
}
for (; i < count; i += 1) {
float x = src_f32[i];
x = x + ma_dither_f32(ditherMode, ditherMin, ditherMax);
x = ((x < -1) ? -1 : ((x > 1) ? 1 : x));
x = x * 32767.0f;
dst_s16[i] = (ma_int16)x;
}
}
#if defined(MA_SUPPORT_SSE2)
static MA_INLINE void ma_pcm_f32_to_s16__sse2(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_uint64 i;
ma_uint64 i8;
ma_uint64 count8;
ma_int16* dst_s16;
const float* src_f32;
float ditherMin;
float ditherMax;
if ((((ma_uintptr)dst & 15) != 0) || (((ma_uintptr)src & 15) != 0)) {
ma_pcm_f32_to_s16__optimized(dst, src, count, ditherMode);
return;
}
dst_s16 = (ma_int16*)dst;
src_f32 = (const float*)src;
ditherMin = 0;
ditherMax = 0;
if (ditherMode != ma_dither_mode_none) {
ditherMin = 1.0f / -32768;
ditherMax = 1.0f / 32767;
}
i = 0;
count8 = count >> 3;
for (i8 = 0; i8 < count8; i8 += 1) {
__m128 d0;
__m128 d1;
__m128 x0;
__m128 x1;
if (ditherMode == ma_dither_mode_none) {
d0 = _mm_set1_ps(0);
d1 = _mm_set1_ps(0);
} else if (ditherMode == ma_dither_mode_rectangle) {
d0 = _mm_set_ps(
ma_dither_f32_rectangle(ditherMin, ditherMax),
ma_dither_f32_rectangle(ditherMin, ditherMax),
ma_dither_f32_rectangle(ditherMin, ditherMax),
ma_dither_f32_rectangle(ditherMin, ditherMax)
);
d1 = _mm_set_ps(
ma_dither_f32_rectangle(ditherMin, ditherMax),
ma_dither_f32_rectangle(ditherMin, ditherMax),
ma_dither_f32_rectangle(ditherMin, ditherMax),
ma_dither_f32_rectangle(ditherMin, ditherMax)
);
} else {
d0 = _mm_set_ps(
ma_dither_f32_triangle(ditherMin, ditherMax),
ma_dither_f32_triangle(ditherMin, ditherMax),
ma_dither_f32_triangle(ditherMin, ditherMax),
ma_dither_f32_triangle(ditherMin, ditherMax)
);
d1 = _mm_set_ps(
ma_dither_f32_triangle(ditherMin, ditherMax),
ma_dither_f32_triangle(ditherMin, ditherMax),
ma_dither_f32_triangle(ditherMin, ditherMax),
ma_dither_f32_triangle(ditherMin, ditherMax)
);
}
x0 = *((__m128*)(src_f32 + i) + 0);
x1 = *((__m128*)(src_f32 + i) + 1);
x0 = _mm_add_ps(x0, d0);
x1 = _mm_add_ps(x1, d1);
x0 = _mm_mul_ps(x0, _mm_set1_ps(32767.0f));
x1 = _mm_mul_ps(x1, _mm_set1_ps(32767.0f));
_mm_stream_si128(((__m128i*)(dst_s16 + i)), _mm_packs_epi32(_mm_cvttps_epi32(x0), _mm_cvttps_epi32(x1)));
i += 8;
}
for (; i < count; i += 1) {
float x = src_f32[i];
x = x + ma_dither_f32(ditherMode, ditherMin, ditherMax);
x = ((x < -1) ? -1 : ((x > 1) ? 1 : x));
x = x * 32767.0f;
dst_s16[i] = (ma_int16)x;
}
}
#endif
#if defined(MA_SUPPORT_NEON)
static MA_INLINE void ma_pcm_f32_to_s16__neon(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_uint64 i;
ma_uint64 i8;
ma_uint64 count8;
ma_int16* dst_s16;
const float* src_f32;
float ditherMin;
float ditherMax;
if (!ma_has_neon()) {
ma_pcm_f32_to_s16__optimized(dst, src, count, ditherMode);
return;
}
if ((((ma_uintptr)dst & 15) != 0) || (((ma_uintptr)src & 15) != 0)) {
ma_pcm_f32_to_s16__optimized(dst, src, count, ditherMode);
return;
}
dst_s16 = (ma_int16*)dst;
src_f32 = (const float*)src;
ditherMin = 0;
ditherMax = 0;
if (ditherMode != ma_dither_mode_none) {
ditherMin = 1.0f / -32768;
ditherMax = 1.0f / 32767;
}
i = 0;
count8 = count >> 3;
for (i8 = 0; i8 < count8; i8 += 1) {
float32x4_t d0;
float32x4_t d1;
float32x4_t x0;
float32x4_t x1;
int32x4_t i0;
int32x4_t i1;
if (ditherMode == ma_dither_mode_none) {
d0 = vmovq_n_f32(0);
d1 = vmovq_n_f32(0);
} else if (ditherMode == ma_dither_mode_rectangle) {
float d0v[4];
float d1v[4];
d0v[0] = ma_dither_f32_rectangle(ditherMin, ditherMax);
d0v[1] = ma_dither_f32_rectangle(ditherMin, ditherMax);
d0v[2] = ma_dither_f32_rectangle(ditherMin, ditherMax);
d0v[3] = ma_dither_f32_rectangle(ditherMin, ditherMax);
d0 = vld1q_f32(d0v);
d1v[0] = ma_dither_f32_rectangle(ditherMin, ditherMax);
d1v[1] = ma_dither_f32_rectangle(ditherMin, ditherMax);
d1v[2] = ma_dither_f32_rectangle(ditherMin, ditherMax);
d1v[3] = ma_dither_f32_rectangle(ditherMin, ditherMax);
d1 = vld1q_f32(d1v);
} else {
float d0v[4];
float d1v[4];
d0v[0] = ma_dither_f32_triangle(ditherMin, ditherMax);
d0v[1] = ma_dither_f32_triangle(ditherMin, ditherMax);
d0v[2] = ma_dither_f32_triangle(ditherMin, ditherMax);
d0v[3] = ma_dither_f32_triangle(ditherMin, ditherMax);
d0 = vld1q_f32(d0v);
d1v[0] = ma_dither_f32_triangle(ditherMin, ditherMax);
d1v[1] = ma_dither_f32_triangle(ditherMin, ditherMax);
d1v[2] = ma_dither_f32_triangle(ditherMin, ditherMax);
d1v[3] = ma_dither_f32_triangle(ditherMin, ditherMax);
d1 = vld1q_f32(d1v);
}
x0 = *((float32x4_t*)(src_f32 + i) + 0);
x1 = *((float32x4_t*)(src_f32 + i) + 1);
x0 = vaddq_f32(x0, d0);
x1 = vaddq_f32(x1, d1);
x0 = vmulq_n_f32(x0, 32767.0f);
x1 = vmulq_n_f32(x1, 32767.0f);
i0 = vcvtq_s32_f32(x0);
i1 = vcvtq_s32_f32(x1);
*((int16x8_t*)(dst_s16 + i)) = vcombine_s16(vqmovn_s32(i0), vqmovn_s32(i1));
i += 8;
}
for (; i < count; i += 1) {
float x = src_f32[i];
x = x + ma_dither_f32(ditherMode, ditherMin, ditherMax);
x = ((x < -1) ? -1 : ((x > 1) ? 1 : x));
x = x * 32767.0f;
dst_s16[i] = (ma_int16)x;
}
}
#endif
#endif
MA_API void ma_pcm_f32_to_s16(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
ma_pcm_f32_to_s16__reference(dst, src, count, ditherMode);
#else
# if defined(MA_SUPPORT_SSE2)
if (ma_has_sse2()) {
ma_pcm_f32_to_s16__sse2(dst, src, count, ditherMode);
} else
#elif defined(MA_SUPPORT_NEON)
if (ma_has_neon()) {
ma_pcm_f32_to_s16__neon(dst, src, count, ditherMode);
} else
#endif
{
ma_pcm_f32_to_s16__optimized(dst, src, count, ditherMode);
}
#endif
}
static MA_INLINE void ma_pcm_f32_to_s24__reference(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_uint8* dst_s24 = (ma_uint8*)dst;
const float* src_f32 = (const float*)src;
ma_uint64 i;
for (i = 0; i < count; i += 1) {
ma_int32 r;
float x = src_f32[i];
x = ((x < -1) ? -1 : ((x > 1) ? 1 : x));
#if 0
x = x + 1;
x = x * 8388607.5f;
x = x - 8388608.0f;
#else
x = x * 8388607.0f;
#endif
r = (ma_int32)x;
dst_s24[(i*3)+0] = (ma_uint8)((r & 0x0000FF) >> 0);
dst_s24[(i*3)+1] = (ma_uint8)((r & 0x00FF00) >> 8);
dst_s24[(i*3)+2] = (ma_uint8)((r & 0xFF0000) >> 16);
}
(void)ditherMode;
}
static MA_INLINE void ma_pcm_f32_to_s24__optimized(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_f32_to_s24__reference(dst, src, count, ditherMode);
}
#if defined(MA_SUPPORT_SSE2)
static MA_INLINE void ma_pcm_f32_to_s24__sse2(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_f32_to_s24__optimized(dst, src, count, ditherMode);
}
#endif
#if defined(MA_SUPPORT_NEON)
static MA_INLINE void ma_pcm_f32_to_s24__neon(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_f32_to_s24__optimized(dst, src, count, ditherMode);
}
#endif
MA_API void ma_pcm_f32_to_s24(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
ma_pcm_f32_to_s24__reference(dst, src, count, ditherMode);
#else
# if defined(MA_SUPPORT_SSE2)
if (ma_has_sse2()) {
ma_pcm_f32_to_s24__sse2(dst, src, count, ditherMode);
} else
#elif defined(MA_SUPPORT_NEON)
if (ma_has_neon()) {
ma_pcm_f32_to_s24__neon(dst, src, count, ditherMode);
} else
#endif
{
ma_pcm_f32_to_s24__optimized(dst, src, count, ditherMode);
}
#endif
}
static MA_INLINE void ma_pcm_f32_to_s32__reference(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_int32* dst_s32 = (ma_int32*)dst;
const float* src_f32 = (const float*)src;
ma_uint32 i;
for (i = 0; i < count; i += 1) {
double x = src_f32[i];
x = ((x < -1) ? -1 : ((x > 1) ? 1 : x));
#if 0
x = x + 1;
x = x * 2147483647.5;
x = x - 2147483648.0;
#else
x = x * 2147483647.0;
#endif
dst_s32[i] = (ma_int32)x;
}
(void)ditherMode;
}
static MA_INLINE void ma_pcm_f32_to_s32__optimized(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_f32_to_s32__reference(dst, src, count, ditherMode);
}
#if defined(MA_SUPPORT_SSE2)
static MA_INLINE void ma_pcm_f32_to_s32__sse2(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_f32_to_s32__optimized(dst, src, count, ditherMode);
}
#endif
#if defined(MA_SUPPORT_NEON)
static MA_INLINE void ma_pcm_f32_to_s32__neon(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
ma_pcm_f32_to_s32__optimized(dst, src, count, ditherMode);
}
#endif
MA_API void ma_pcm_f32_to_s32(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
ma_pcm_f32_to_s32__reference(dst, src, count, ditherMode);
#else
# if defined(MA_SUPPORT_SSE2)
if (ma_has_sse2()) {
ma_pcm_f32_to_s32__sse2(dst, src, count, ditherMode);
} else
#elif defined(MA_SUPPORT_NEON)
if (ma_has_neon()) {
ma_pcm_f32_to_s32__neon(dst, src, count, ditherMode);
} else
#endif
{
ma_pcm_f32_to_s32__optimized(dst, src, count, ditherMode);
}
#endif
}
MA_API void ma_pcm_f32_to_f32(void* dst, const void* src, ma_uint64 count, ma_dither_mode ditherMode)
{
(void)ditherMode;
ma_copy_memory_64(dst, src, count * sizeof(float));
}
static void ma_pcm_interleave_f32__reference(void* dst, const void** src, ma_uint64 frameCount, ma_uint32 channels)
{
float* dst_f32 = (float*)dst;
const float** src_f32 = (const float**)src;
ma_uint64 iFrame;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
ma_uint32 iChannel;
for (iChannel = 0; iChannel < channels; iChannel += 1) {
dst_f32[iFrame*channels + iChannel] = src_f32[iChannel][iFrame];
}
}
}
static void ma_pcm_interleave_f32__optimized(void* dst, const void** src, ma_uint64 frameCount, ma_uint32 channels)
{
ma_pcm_interleave_f32__reference(dst, src, frameCount, channels);
}
MA_API void ma_pcm_interleave_f32(void* dst, const void** src, ma_uint64 frameCount, ma_uint32 channels)
{
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
ma_pcm_interleave_f32__reference(dst, src, frameCount, channels);
#else
ma_pcm_interleave_f32__optimized(dst, src, frameCount, channels);
#endif
}
static void ma_pcm_deinterleave_f32__reference(void** dst, const void* src, ma_uint64 frameCount, ma_uint32 channels)
{
float** dst_f32 = (float**)dst;
const float* src_f32 = (const float*)src;
ma_uint64 iFrame;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
ma_uint32 iChannel;
for (iChannel = 0; iChannel < channels; iChannel += 1) {
dst_f32[iChannel][iFrame] = src_f32[iFrame*channels + iChannel];
}
}
}
static void ma_pcm_deinterleave_f32__optimized(void** dst, const void* src, ma_uint64 frameCount, ma_uint32 channels)
{
ma_pcm_deinterleave_f32__reference(dst, src, frameCount, channels);
}
MA_API void ma_pcm_deinterleave_f32(void** dst, const void* src, ma_uint64 frameCount, ma_uint32 channels)
{
#ifdef MA_USE_REFERENCE_CONVERSION_APIS
ma_pcm_deinterleave_f32__reference(dst, src, frameCount, channels);
#else
ma_pcm_deinterleave_f32__optimized(dst, src, frameCount, channels);
#endif
}
MA_API void ma_pcm_convert(void* pOut, ma_format formatOut, const void* pIn, ma_format formatIn, ma_uint64 sampleCount, ma_dither_mode ditherMode)
{
if (formatOut == formatIn) {
ma_copy_memory_64(pOut, pIn, sampleCount * ma_get_bytes_per_sample(formatOut));
return;
}
switch (formatIn)
{
case ma_format_u8:
{
switch (formatOut)
{
case ma_format_s16: ma_pcm_u8_to_s16(pOut, pIn, sampleCount, ditherMode); return;
case ma_format_s24: ma_pcm_u8_to_s24(pOut, pIn, sampleCount, ditherMode); return;
case ma_format_s32: ma_pcm_u8_to_s32(pOut, pIn, sampleCount, ditherMode); return;
case ma_format_f32: ma_pcm_u8_to_f32(pOut, pIn, sampleCount, ditherMode); return;
default: break;
}
} break;
case ma_format_s16:
{
switch (formatOut)
{
case ma_format_u8: ma_pcm_s16_to_u8( pOut, pIn, sampleCount, ditherMode); return;
case ma_format_s24: ma_pcm_s16_to_s24(pOut, pIn, sampleCount, ditherMode); return;
case ma_format_s32: ma_pcm_s16_to_s32(pOut, pIn, sampleCount, ditherMode); return;
case ma_format_f32: ma_pcm_s16_to_f32(pOut, pIn, sampleCount, ditherMode); return;
default: break;
}
} break;
case ma_format_s24:
{
switch (formatOut)
{
case ma_format_u8: ma_pcm_s24_to_u8( pOut, pIn, sampleCount, ditherMode); return;
case ma_format_s16: ma_pcm_s24_to_s16(pOut, pIn, sampleCount, ditherMode); return;
case ma_format_s32: ma_pcm_s24_to_s32(pOut, pIn, sampleCount, ditherMode); return;
case ma_format_f32: ma_pcm_s24_to_f32(pOut, pIn, sampleCount, ditherMode); return;
default: break;
}
} break;
case ma_format_s32:
{
switch (formatOut)
{
case ma_format_u8: ma_pcm_s32_to_u8( pOut, pIn, sampleCount, ditherMode); return;
case ma_format_s16: ma_pcm_s32_to_s16(pOut, pIn, sampleCount, ditherMode); return;
case ma_format_s24: ma_pcm_s32_to_s24(pOut, pIn, sampleCount, ditherMode); return;
case ma_format_f32: ma_pcm_s32_to_f32(pOut, pIn, sampleCount, ditherMode); return;
default: break;
}
} break;
case ma_format_f32:
{
switch (formatOut)
{
case ma_format_u8: ma_pcm_f32_to_u8( pOut, pIn, sampleCount, ditherMode); return;
case ma_format_s16: ma_pcm_f32_to_s16(pOut, pIn, sampleCount, ditherMode); return;
case ma_format_s24: ma_pcm_f32_to_s24(pOut, pIn, sampleCount, ditherMode); return;
case ma_format_s32: ma_pcm_f32_to_s32(pOut, pIn, sampleCount, ditherMode); return;
default: break;
}
} break;
default: break;
}
}
MA_API void ma_convert_pcm_frames_format(void* pOut, ma_format formatOut, const void* pIn, ma_format formatIn, ma_uint64 frameCount, ma_uint32 channels, ma_dither_mode ditherMode)
{
ma_pcm_convert(pOut, formatOut, pIn, formatIn, frameCount * channels, ditherMode);
}
MA_API void ma_deinterleave_pcm_frames(ma_format format, ma_uint32 channels, ma_uint64 frameCount, const void* pInterleavedPCMFrames, void** ppDeinterleavedPCMFrames)
{
if (pInterleavedPCMFrames == NULL || ppDeinterleavedPCMFrames == NULL) {
return;
}
switch (format) {
case ma_format_s16:
{
const ma_int16* pSrcS16 = (const ma_int16*)pInterleavedPCMFrames;
ma_uint64 iPCMFrame;
for (iPCMFrame = 0; iPCMFrame < frameCount; ++iPCMFrame) {
ma_uint32 iChannel;
for (iChannel = 0; iChannel < channels; ++iChannel) {
ma_int16* pDstS16 = (ma_int16*)ppDeinterleavedPCMFrames[iChannel];
pDstS16[iPCMFrame] = pSrcS16[iPCMFrame*channels+iChannel];
}
}
} break;
case ma_format_f32:
{
const float* pSrcF32 = (const float*)pInterleavedPCMFrames;
ma_uint64 iPCMFrame;
for (iPCMFrame = 0; iPCMFrame < frameCount; ++iPCMFrame) {
ma_uint32 iChannel;
for (iChannel = 0; iChannel < channels; ++iChannel) {
float* pDstF32 = (float*)ppDeinterleavedPCMFrames[iChannel];
pDstF32[iPCMFrame] = pSrcF32[iPCMFrame*channels+iChannel];
}
}
} break;
default:
{
ma_uint32 sampleSizeInBytes = ma_get_bytes_per_sample(format);
ma_uint64 iPCMFrame;
for (iPCMFrame = 0; iPCMFrame < frameCount; ++iPCMFrame) {
ma_uint32 iChannel;
for (iChannel = 0; iChannel < channels; ++iChannel) {
void* pDst = ma_offset_ptr(ppDeinterleavedPCMFrames[iChannel], iPCMFrame*sampleSizeInBytes);
const void* pSrc = ma_offset_ptr(pInterleavedPCMFrames, (iPCMFrame*channels+iChannel)*sampleSizeInBytes);
memcpy(pDst, pSrc, sampleSizeInBytes);
}
}
} break;
}
}
MA_API void ma_interleave_pcm_frames(ma_format format, ma_uint32 channels, ma_uint64 frameCount, const void** ppDeinterleavedPCMFrames, void* pInterleavedPCMFrames)
{
switch (format)
{
case ma_format_s16:
{
ma_int16* pDstS16 = (ma_int16*)pInterleavedPCMFrames;
ma_uint64 iPCMFrame;
for (iPCMFrame = 0; iPCMFrame < frameCount; ++iPCMFrame) {
ma_uint32 iChannel;
for (iChannel = 0; iChannel < channels; ++iChannel) {
const ma_int16* pSrcS16 = (const ma_int16*)ppDeinterleavedPCMFrames[iChannel];
pDstS16[iPCMFrame*channels+iChannel] = pSrcS16[iPCMFrame];
}
}
} break;
case ma_format_f32:
{
float* pDstF32 = (float*)pInterleavedPCMFrames;
ma_uint64 iPCMFrame;
for (iPCMFrame = 0; iPCMFrame < frameCount; ++iPCMFrame) {
ma_uint32 iChannel;
for (iChannel = 0; iChannel < channels; ++iChannel) {
const float* pSrcF32 = (const float*)ppDeinterleavedPCMFrames[iChannel];
pDstF32[iPCMFrame*channels+iChannel] = pSrcF32[iPCMFrame];
}
}
} break;
default:
{
ma_uint32 sampleSizeInBytes = ma_get_bytes_per_sample(format);
ma_uint64 iPCMFrame;
for (iPCMFrame = 0; iPCMFrame < frameCount; ++iPCMFrame) {
ma_uint32 iChannel;
for (iChannel = 0; iChannel < channels; ++iChannel) {
void* pDst = ma_offset_ptr(pInterleavedPCMFrames, (iPCMFrame*channels+iChannel)*sampleSizeInBytes);
const void* pSrc = ma_offset_ptr(ppDeinterleavedPCMFrames[iChannel], iPCMFrame*sampleSizeInBytes);
memcpy(pDst, pSrc, sampleSizeInBytes);
}
}
} break;
}
}
#ifndef MA_BIQUAD_FIXED_POINT_SHIFT
#define MA_BIQUAD_FIXED_POINT_SHIFT 14
#endif
static ma_int32 ma_biquad_float_to_fp(double x)
{
return (ma_int32)(x * (1 << MA_BIQUAD_FIXED_POINT_SHIFT));
}
MA_API ma_biquad_config ma_biquad_config_init(ma_format format, ma_uint32 channels, double b0, double b1, double b2, double a0, double a1, double a2)
{
ma_biquad_config config;
MA_ZERO_OBJECT(&config);
config.format = format;
config.channels = channels;
config.b0 = b0;
config.b1 = b1;
config.b2 = b2;
config.a0 = a0;
config.a1 = a1;
config.a2 = a2;
return config;
}
typedef struct
{
size_t sizeInBytes;
size_t r1Offset;
size_t r2Offset;
} ma_biquad_heap_layout;
static ma_result ma_biquad_get_heap_layout(const ma_biquad_config* pConfig, ma_biquad_heap_layout* pHeapLayout)
{
MA_ASSERT(pHeapLayout != NULL);
MA_ZERO_OBJECT(pHeapLayout);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->channels == 0) {
return MA_INVALID_ARGS;
}
pHeapLayout->sizeInBytes = 0;
pHeapLayout->r1Offset = pHeapLayout->sizeInBytes;
pHeapLayout->sizeInBytes += sizeof(ma_biquad_coefficient) * pConfig->channels;
pHeapLayout->r2Offset = pHeapLayout->sizeInBytes;
pHeapLayout->sizeInBytes += sizeof(ma_biquad_coefficient) * pConfig->channels;
pHeapLayout->sizeInBytes = ma_align_64(pHeapLayout->sizeInBytes);
return MA_SUCCESS;
}
MA_API ma_result ma_biquad_get_heap_size(const ma_biquad_config* pConfig, size_t* pHeapSizeInBytes)
{
ma_result result;
ma_biquad_heap_layout heapLayout;
if (pHeapSizeInBytes == NULL) {
return MA_INVALID_ARGS;
}
*pHeapSizeInBytes = 0;
result = ma_biquad_get_heap_layout(pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return result;
}
*pHeapSizeInBytes = heapLayout.sizeInBytes;
return MA_SUCCESS;
}
MA_API ma_result ma_biquad_init_preallocated(const ma_biquad_config* pConfig, void* pHeap, ma_biquad* pBQ)
{
ma_result result;
ma_biquad_heap_layout heapLayout;
if (pBQ == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pBQ);
result = ma_biquad_get_heap_layout(pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return result;
}
pBQ->_pHeap = pHeap;
MA_ZERO_MEMORY(pHeap, heapLayout.sizeInBytes);
pBQ->pR1 = (ma_biquad_coefficient*)ma_offset_ptr(pHeap, heapLayout.r1Offset);
pBQ->pR2 = (ma_biquad_coefficient*)ma_offset_ptr(pHeap, heapLayout.r2Offset);
return ma_biquad_reinit(pConfig, pBQ);
}
MA_API ma_result ma_biquad_init(const ma_biquad_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_biquad* pBQ)
{
ma_result result;
size_t heapSizeInBytes;
void* pHeap;
result = ma_biquad_get_heap_size(pConfig, &heapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
if (heapSizeInBytes > 0) {
pHeap = ma_malloc(heapSizeInBytes, pAllocationCallbacks);
if (pHeap == NULL) {
return MA_OUT_OF_MEMORY;
}
} else {
pHeap = NULL;
}
result = ma_biquad_init_preallocated(pConfig, pHeap, pBQ);
if (result != MA_SUCCESS) {
ma_free(pHeap, pAllocationCallbacks);
return result;
}
pBQ->_ownsHeap = MA_TRUE;
return MA_SUCCESS;
}
MA_API void ma_biquad_uninit(ma_biquad* pBQ, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pBQ == NULL) {
return;
}
if (pBQ->_ownsHeap) {
ma_free(pBQ->_pHeap, pAllocationCallbacks);
}
}
MA_API ma_result ma_biquad_reinit(const ma_biquad_config* pConfig, ma_biquad* pBQ)
{
if (pBQ == NULL || pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->a0 == 0) {
return MA_INVALID_ARGS;
}
if (pConfig->format != ma_format_f32 && pConfig->format != ma_format_s16) {
return MA_INVALID_ARGS;
}
if (pBQ->format != ma_format_unknown && pBQ->format != pConfig->format) {
return MA_INVALID_OPERATION;
}
if (pBQ->channels != 0 && pBQ->channels != pConfig->channels) {
return MA_INVALID_OPERATION;
}
pBQ->format = pConfig->format;
pBQ->channels = pConfig->channels;
if (pConfig->format == ma_format_f32) {
pBQ->b0.f32 = (float)(pConfig->b0 / pConfig->a0);
pBQ->b1.f32 = (float)(pConfig->b1 / pConfig->a0);
pBQ->b2.f32 = (float)(pConfig->b2 / pConfig->a0);
pBQ->a1.f32 = (float)(pConfig->a1 / pConfig->a0);
pBQ->a2.f32 = (float)(pConfig->a2 / pConfig->a0);
} else {
pBQ->b0.s32 = ma_biquad_float_to_fp(pConfig->b0 / pConfig->a0);
pBQ->b1.s32 = ma_biquad_float_to_fp(pConfig->b1 / pConfig->a0);
pBQ->b2.s32 = ma_biquad_float_to_fp(pConfig->b2 / pConfig->a0);
pBQ->a1.s32 = ma_biquad_float_to_fp(pConfig->a1 / pConfig->a0);
pBQ->a2.s32 = ma_biquad_float_to_fp(pConfig->a2 / pConfig->a0);
}
return MA_SUCCESS;
}
MA_API ma_result ma_biquad_clear_cache(ma_biquad* pBQ)
{
if (pBQ == NULL) {
return MA_INVALID_ARGS;
}
if (pBQ->format == ma_format_f32) {
pBQ->pR1->f32 = 0;
pBQ->pR2->f32 = 0;
} else {
pBQ->pR1->s32 = 0;
pBQ->pR2->s32 = 0;
}
return MA_SUCCESS;
}
static MA_INLINE void ma_biquad_process_pcm_frame_f32__direct_form_2_transposed(ma_biquad* pBQ, float* pY, const float* pX)
{
ma_uint32 c;
const ma_uint32 channels = pBQ->channels;
const float b0 = pBQ->b0.f32;
const float b1 = pBQ->b1.f32;
const float b2 = pBQ->b2.f32;
const float a1 = pBQ->a1.f32;
const float a2 = pBQ->a2.f32;
MA_ASSUME(channels > 0);
for (c = 0; c < channels; c += 1) {
float r1 = pBQ->pR1[c].f32;
float r2 = pBQ->pR2[c].f32;
float x = pX[c];
float y;
y = b0*x + r1;
r1 = b1*x - a1*y + r2;
r2 = b2*x - a2*y;
pY[c] = y;
pBQ->pR1[c].f32 = r1;
pBQ->pR2[c].f32 = r2;
}
}
static MA_INLINE void ma_biquad_process_pcm_frame_f32(ma_biquad* pBQ, float* pY, const float* pX)
{
ma_biquad_process_pcm_frame_f32__direct_form_2_transposed(pBQ, pY, pX);
}
static MA_INLINE void ma_biquad_process_pcm_frame_s16__direct_form_2_transposed(ma_biquad* pBQ, ma_int16* pY, const ma_int16* pX)
{
ma_uint32 c;
const ma_uint32 channels = pBQ->channels;
const ma_int32 b0 = pBQ->b0.s32;
const ma_int32 b1 = pBQ->b1.s32;
const ma_int32 b2 = pBQ->b2.s32;
const ma_int32 a1 = pBQ->a1.s32;
const ma_int32 a2 = pBQ->a2.s32;
MA_ASSUME(channels > 0);
for (c = 0; c < channels; c += 1) {
ma_int32 r1 = pBQ->pR1[c].s32;
ma_int32 r2 = pBQ->pR2[c].s32;
ma_int32 x = pX[c];
ma_int32 y;
y = (b0*x + r1) >> MA_BIQUAD_FIXED_POINT_SHIFT;
r1 = (b1*x - a1*y + r2);
r2 = (b2*x - a2*y);
pY[c] = (ma_int16)ma_clamp(y, -32768, 32767);
pBQ->pR1[c].s32 = r1;
pBQ->pR2[c].s32 = r2;
}
}
static MA_INLINE void ma_biquad_process_pcm_frame_s16(ma_biquad* pBQ, ma_int16* pY, const ma_int16* pX)
{
ma_biquad_process_pcm_frame_s16__direct_form_2_transposed(pBQ, pY, pX);
}
MA_API ma_result ma_biquad_process_pcm_frames(ma_biquad* pBQ, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount)
{
ma_uint32 n;
if (pBQ == NULL || pFramesOut == NULL || pFramesIn == NULL) {
return MA_INVALID_ARGS;
}
if (pBQ->format == ma_format_f32) {
float* pY = ( float*)pFramesOut;
const float* pX = (const float*)pFramesIn;
for (n = 0; n < frameCount; n += 1) {
ma_biquad_process_pcm_frame_f32__direct_form_2_transposed(pBQ, pY, pX);
pY += pBQ->channels;
pX += pBQ->channels;
}
} else if (pBQ->format == ma_format_s16) {
ma_int16* pY = ( ma_int16*)pFramesOut;
const ma_int16* pX = (const ma_int16*)pFramesIn;
for (n = 0; n < frameCount; n += 1) {
ma_biquad_process_pcm_frame_s16__direct_form_2_transposed(pBQ, pY, pX);
pY += pBQ->channels;
pX += pBQ->channels;
}
} else {
MA_ASSERT(MA_FALSE);
return MA_INVALID_ARGS;
}
return MA_SUCCESS;
}
MA_API ma_uint32 ma_biquad_get_latency(const ma_biquad* pBQ)
{
if (pBQ == NULL) {
return 0;
}
return 2;
}
MA_API ma_lpf1_config ma_lpf1_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRate, double cutoffFrequency)
{
ma_lpf1_config config;
MA_ZERO_OBJECT(&config);
config.format = format;
config.channels = channels;
config.sampleRate = sampleRate;
config.cutoffFrequency = cutoffFrequency;
config.q = 0.5;
return config;
}
MA_API ma_lpf2_config ma_lpf2_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRate, double cutoffFrequency, double q)
{
ma_lpf2_config config;
MA_ZERO_OBJECT(&config);
config.format = format;
config.channels = channels;
config.sampleRate = sampleRate;
config.cutoffFrequency = cutoffFrequency;
config.q = q;
if (config.q == 0) {
config.q = 0.707107;
}
return config;
}
typedef struct
{
size_t sizeInBytes;
size_t r1Offset;
} ma_lpf1_heap_layout;
static ma_result ma_lpf1_get_heap_layout(const ma_lpf1_config* pConfig, ma_lpf1_heap_layout* pHeapLayout)
{
MA_ASSERT(pHeapLayout != NULL);
MA_ZERO_OBJECT(pHeapLayout);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->channels == 0) {
return MA_INVALID_ARGS;
}
pHeapLayout->sizeInBytes = 0;
pHeapLayout->r1Offset = pHeapLayout->sizeInBytes;
pHeapLayout->sizeInBytes += sizeof(ma_biquad_coefficient) * pConfig->channels;
pHeapLayout->sizeInBytes = ma_align_64(pHeapLayout->sizeInBytes);
return MA_SUCCESS;
}
MA_API ma_result ma_lpf1_get_heap_size(const ma_lpf1_config* pConfig, size_t* pHeapSizeInBytes)
{
ma_result result;
ma_lpf1_heap_layout heapLayout;
if (pHeapSizeInBytes == NULL) {
return MA_INVALID_ARGS;
}
result = ma_lpf1_get_heap_layout(pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return result;
}
*pHeapSizeInBytes = heapLayout.sizeInBytes;
return MA_SUCCESS;
}
MA_API ma_result ma_lpf1_init_preallocated(const ma_lpf1_config* pConfig, void* pHeap, ma_lpf1* pLPF)
{
ma_result result;
ma_lpf1_heap_layout heapLayout;
if (pLPF == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pLPF);
result = ma_lpf1_get_heap_layout(pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return result;
}
pLPF->_pHeap = pHeap;
MA_ZERO_MEMORY(pHeap, heapLayout.sizeInBytes);
pLPF->pR1 = (ma_biquad_coefficient*)ma_offset_ptr(pHeap, heapLayout.r1Offset);
return ma_lpf1_reinit(pConfig, pLPF);
}
MA_API ma_result ma_lpf1_init(const ma_lpf1_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_lpf1* pLPF)
{
ma_result result;
size_t heapSizeInBytes;
void* pHeap;
result = ma_lpf1_get_heap_size(pConfig, &heapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
if (heapSizeInBytes > 0) {
pHeap = ma_malloc(heapSizeInBytes, pAllocationCallbacks);
if (pHeap == NULL) {
return MA_OUT_OF_MEMORY;
}
} else {
pHeap = NULL;
}
result = ma_lpf1_init_preallocated(pConfig, pHeap, pLPF);
if (result != MA_SUCCESS) {
ma_free(pHeap, pAllocationCallbacks);
return result;
}
pLPF->_ownsHeap = MA_TRUE;
return MA_SUCCESS;
}
MA_API void ma_lpf1_uninit(ma_lpf1* pLPF, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pLPF == NULL) {
return;
}
if (pLPF->_ownsHeap) {
ma_free(pLPF->_pHeap, pAllocationCallbacks);
}
}
MA_API ma_result ma_lpf1_reinit(const ma_lpf1_config* pConfig, ma_lpf1* pLPF)
{
double a;
if (pLPF == NULL || pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->format != ma_format_f32 && pConfig->format != ma_format_s16) {
return MA_INVALID_ARGS;
}
if (pLPF->format != ma_format_unknown && pLPF->format != pConfig->format) {
return MA_INVALID_OPERATION;
}
if (pLPF->channels != 0 && pLPF->channels != pConfig->channels) {
return MA_INVALID_OPERATION;
}
pLPF->format = pConfig->format;
pLPF->channels = pConfig->channels;
a = ma_expd(-2 * MA_PI_D * pConfig->cutoffFrequency / pConfig->sampleRate);
if (pConfig->format == ma_format_f32) {
pLPF->a.f32 = (float)a;
} else {
pLPF->a.s32 = ma_biquad_float_to_fp(a);
}
return MA_SUCCESS;
}
MA_API ma_result ma_lpf1_clear_cache(ma_lpf1* pLPF)
{
if (pLPF == NULL) {
return MA_INVALID_ARGS;
}
if (pLPF->format == ma_format_f32) {
pLPF->a.f32 = 0;
} else {
pLPF->a.s32 = 0;
}
return MA_SUCCESS;
}
static MA_INLINE void ma_lpf1_process_pcm_frame_f32(ma_lpf1* pLPF, float* pY, const float* pX)
{
ma_uint32 c;
const ma_uint32 channels = pLPF->channels;
const float a = pLPF->a.f32;
const float b = 1 - a;
MA_ASSUME(channels > 0);
for (c = 0; c < channels; c += 1) {
float r1 = pLPF->pR1[c].f32;
float x = pX[c];
float y;
y = b*x + a*r1;
pY[c] = y;
pLPF->pR1[c].f32 = y;
}
}
static MA_INLINE void ma_lpf1_process_pcm_frame_s16(ma_lpf1* pLPF, ma_int16* pY, const ma_int16* pX)
{
ma_uint32 c;
const ma_uint32 channels = pLPF->channels;
const ma_int32 a = pLPF->a.s32;
const ma_int32 b = ((1 << MA_BIQUAD_FIXED_POINT_SHIFT) - a);
MA_ASSUME(channels > 0);
for (c = 0; c < channels; c += 1) {
ma_int32 r1 = pLPF->pR1[c].s32;
ma_int32 x = pX[c];
ma_int32 y;
y = (b*x + a*r1) >> MA_BIQUAD_FIXED_POINT_SHIFT;
pY[c] = (ma_int16)y;
pLPF->pR1[c].s32 = (ma_int32)y;
}
}
MA_API ma_result ma_lpf1_process_pcm_frames(ma_lpf1* pLPF, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount)
{
ma_uint32 n;
if (pLPF == NULL || pFramesOut == NULL || pFramesIn == NULL) {
return MA_INVALID_ARGS;
}
if (pLPF->format == ma_format_f32) {
float* pY = ( float*)pFramesOut;
const float* pX = (const float*)pFramesIn;
for (n = 0; n < frameCount; n += 1) {
ma_lpf1_process_pcm_frame_f32(pLPF, pY, pX);
pY += pLPF->channels;
pX += pLPF->channels;
}
} else if (pLPF->format == ma_format_s16) {
ma_int16* pY = ( ma_int16*)pFramesOut;
const ma_int16* pX = (const ma_int16*)pFramesIn;
for (n = 0; n < frameCount; n += 1) {
ma_lpf1_process_pcm_frame_s16(pLPF, pY, pX);
pY += pLPF->channels;
pX += pLPF->channels;
}
} else {
MA_ASSERT(MA_FALSE);
return MA_INVALID_ARGS;
}
return MA_SUCCESS;
}
MA_API ma_uint32 ma_lpf1_get_latency(const ma_lpf1* pLPF)
{
if (pLPF == NULL) {
return 0;
}
return 1;
}
static MA_INLINE ma_biquad_config ma_lpf2__get_biquad_config(const ma_lpf2_config* pConfig)
{
ma_biquad_config bqConfig;
double q;
double w;
double s;
double c;
double a;
MA_ASSERT(pConfig != NULL);
q = pConfig->q;
w = 2 * MA_PI_D * pConfig->cutoffFrequency / pConfig->sampleRate;
s = ma_sind(w);
c = ma_cosd(w);
a = s / (2*q);
bqConfig.b0 = (1 - c) / 2;
bqConfig.b1 = 1 - c;
bqConfig.b2 = (1 - c) / 2;
bqConfig.a0 = 1 + a;
bqConfig.a1 = -2 * c;
bqConfig.a2 = 1 - a;
bqConfig.format = pConfig->format;
bqConfig.channels = pConfig->channels;
return bqConfig;
}
MA_API ma_result ma_lpf2_get_heap_size(const ma_lpf2_config* pConfig, size_t* pHeapSizeInBytes)
{
ma_biquad_config bqConfig;
bqConfig = ma_lpf2__get_biquad_config(pConfig);
return ma_biquad_get_heap_size(&bqConfig, pHeapSizeInBytes);
}
MA_API ma_result ma_lpf2_init_preallocated(const ma_lpf2_config* pConfig, void* pHeap, ma_lpf2* pLPF)
{
ma_result result;
ma_biquad_config bqConfig;
if (pLPF == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pLPF);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
bqConfig = ma_lpf2__get_biquad_config(pConfig);
result = ma_biquad_init_preallocated(&bqConfig, pHeap, &pLPF->bq);
if (result != MA_SUCCESS) {
return result;
}
return MA_SUCCESS;
}
MA_API ma_result ma_lpf2_init(const ma_lpf2_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_lpf2* pLPF)
{
ma_result result;
size_t heapSizeInBytes;
void* pHeap;
result = ma_lpf2_get_heap_size(pConfig, &heapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
if (heapSizeInBytes > 0) {
pHeap = ma_malloc(heapSizeInBytes, pAllocationCallbacks);
if (pHeap == NULL) {
return MA_OUT_OF_MEMORY;
}
} else {
pHeap = NULL;
}
result = ma_lpf2_init_preallocated(pConfig, pHeap, pLPF);
if (result != MA_SUCCESS) {
ma_free(pHeap, pAllocationCallbacks);
return result;
}
pLPF->bq._ownsHeap = MA_TRUE;
return MA_SUCCESS;
}
MA_API void ma_lpf2_uninit(ma_lpf2* pLPF, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pLPF == NULL) {
return;
}
ma_biquad_uninit(&pLPF->bq, pAllocationCallbacks);
}
MA_API ma_result ma_lpf2_reinit(const ma_lpf2_config* pConfig, ma_lpf2* pLPF)
{
ma_result result;
ma_biquad_config bqConfig;
if (pLPF == NULL || pConfig == NULL) {
return MA_INVALID_ARGS;
}
bqConfig = ma_lpf2__get_biquad_config(pConfig);
result = ma_biquad_reinit(&bqConfig, &pLPF->bq);
if (result != MA_SUCCESS) {
return result;
}
return MA_SUCCESS;
}
MA_API ma_result ma_lpf2_clear_cache(ma_lpf2* pLPF)
{
if (pLPF == NULL) {
return MA_INVALID_ARGS;
}
ma_biquad_clear_cache(&pLPF->bq);
return MA_SUCCESS;
}
static MA_INLINE void ma_lpf2_process_pcm_frame_s16(ma_lpf2* pLPF, ma_int16* pFrameOut, const ma_int16* pFrameIn)
{
ma_biquad_process_pcm_frame_s16(&pLPF->bq, pFrameOut, pFrameIn);
}
static MA_INLINE void ma_lpf2_process_pcm_frame_f32(ma_lpf2* pLPF, float* pFrameOut, const float* pFrameIn)
{
ma_biquad_process_pcm_frame_f32(&pLPF->bq, pFrameOut, pFrameIn);
}
MA_API ma_result ma_lpf2_process_pcm_frames(ma_lpf2* pLPF, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount)
{
if (pLPF == NULL) {
return MA_INVALID_ARGS;
}
return ma_biquad_process_pcm_frames(&pLPF->bq, pFramesOut, pFramesIn, frameCount);
}
MA_API ma_uint32 ma_lpf2_get_latency(const ma_lpf2* pLPF)
{
if (pLPF == NULL) {
return 0;
}
return ma_biquad_get_latency(&pLPF->bq);
}
MA_API ma_lpf_config ma_lpf_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRate, double cutoffFrequency, ma_uint32 order)
{
ma_lpf_config config;
MA_ZERO_OBJECT(&config);
config.format = format;
config.channels = channels;
config.sampleRate = sampleRate;
config.cutoffFrequency = cutoffFrequency;
config.order = ma_min(order, MA_MAX_FILTER_ORDER);
return config;
}
typedef struct
{
size_t sizeInBytes;
size_t lpf1Offset;
size_t lpf2Offset;
} ma_lpf_heap_layout;
static void ma_lpf_calculate_sub_lpf_counts(ma_uint32 order, ma_uint32* pLPF1Count, ma_uint32* pLPF2Count)
{
MA_ASSERT(pLPF1Count != NULL);
MA_ASSERT(pLPF2Count != NULL);
*pLPF1Count = order % 2;
*pLPF2Count = order / 2;
}
static ma_result ma_lpf_get_heap_layout(const ma_lpf_config* pConfig, ma_lpf_heap_layout* pHeapLayout)
{
ma_result result;
ma_uint32 lpf1Count;
ma_uint32 lpf2Count;
ma_uint32 ilpf1;
ma_uint32 ilpf2;
MA_ASSERT(pHeapLayout != NULL);
MA_ZERO_OBJECT(pHeapLayout);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->channels == 0) {
return MA_INVALID_ARGS;
}
if (pConfig->order > MA_MAX_FILTER_ORDER) {
return MA_INVALID_ARGS;
}
ma_lpf_calculate_sub_lpf_counts(pConfig->order, &lpf1Count, &lpf2Count);
pHeapLayout->sizeInBytes = 0;
pHeapLayout->lpf1Offset = pHeapLayout->sizeInBytes;
for (ilpf1 = 0; ilpf1 < lpf1Count; ilpf1 += 1) {
size_t lpf1HeapSizeInBytes;
ma_lpf1_config lpf1Config = ma_lpf1_config_init(pConfig->format, pConfig->channels, pConfig->sampleRate, pConfig->cutoffFrequency);
result = ma_lpf1_get_heap_size(&lpf1Config, &lpf1HeapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
pHeapLayout->sizeInBytes += sizeof(ma_lpf1) + lpf1HeapSizeInBytes;
}
pHeapLayout->lpf2Offset = pHeapLayout->sizeInBytes;
for (ilpf2 = 0; ilpf2 < lpf2Count; ilpf2 += 1) {
size_t lpf2HeapSizeInBytes;
ma_lpf2_config lpf2Config = ma_lpf2_config_init(pConfig->format, pConfig->channels, pConfig->sampleRate, pConfig->cutoffFrequency, 0.707107);
result = ma_lpf2_get_heap_size(&lpf2Config, &lpf2HeapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
pHeapLayout->sizeInBytes += sizeof(ma_lpf2) + lpf2HeapSizeInBytes;
}
pHeapLayout->sizeInBytes = ma_align_64(pHeapLayout->sizeInBytes);
return MA_SUCCESS;
}
static ma_result ma_lpf_reinit__internal(const ma_lpf_config* pConfig, void* pHeap, ma_lpf* pLPF, ma_bool32 isNew)
{
ma_result result;
ma_uint32 lpf1Count;
ma_uint32 lpf2Count;
ma_uint32 ilpf1;
ma_uint32 ilpf2;
ma_lpf_heap_layout heapLayout;
if (pLPF == NULL || pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->format != ma_format_f32 && pConfig->format != ma_format_s16) {
return MA_INVALID_ARGS;
}
if (pLPF->format != ma_format_unknown && pLPF->format != pConfig->format) {
return MA_INVALID_OPERATION;
}
if (pLPF->channels != 0 && pLPF->channels != pConfig->channels) {
return MA_INVALID_OPERATION;
}
if (pConfig->order > MA_MAX_FILTER_ORDER) {
return MA_INVALID_ARGS;
}
ma_lpf_calculate_sub_lpf_counts(pConfig->order, &lpf1Count, &lpf2Count);
if (!isNew) {
if (pLPF->lpf1Count != lpf1Count || pLPF->lpf2Count != lpf2Count) {
return MA_INVALID_OPERATION;
}
}
if (isNew) {
result = ma_lpf_get_heap_layout(pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return result;
}
pLPF->_pHeap = pHeap;
MA_ZERO_MEMORY(pHeap, heapLayout.sizeInBytes);
pLPF->pLPF1 = (ma_lpf1*)ma_offset_ptr(pHeap, heapLayout.lpf1Offset);
pLPF->pLPF2 = (ma_lpf2*)ma_offset_ptr(pHeap, heapLayout.lpf2Offset);
} else {
MA_ZERO_OBJECT(&heapLayout);
}
for (ilpf1 = 0; ilpf1 < lpf1Count; ilpf1 += 1) {
ma_lpf1_config lpf1Config = ma_lpf1_config_init(pConfig->format, pConfig->channels, pConfig->sampleRate, pConfig->cutoffFrequency);
if (isNew) {
size_t lpf1HeapSizeInBytes;
result = ma_lpf1_get_heap_size(&lpf1Config, &lpf1HeapSizeInBytes);
if (result == MA_SUCCESS) {
result = ma_lpf1_init_preallocated(&lpf1Config, ma_offset_ptr(pHeap, heapLayout.lpf1Offset + (sizeof(ma_lpf1) * lpf1Count) + (ilpf1 * lpf1HeapSizeInBytes)), &pLPF->pLPF1[ilpf1]);
}
} else {
result = ma_lpf1_reinit(&lpf1Config, &pLPF->pLPF1[ilpf1]);
}
if (result != MA_SUCCESS) {
ma_uint32 jlpf1;
for (jlpf1 = 0; jlpf1 < ilpf1; jlpf1 += 1) {
ma_lpf1_uninit(&pLPF->pLPF1[jlpf1], NULL);
}
return result;
}
}
for (ilpf2 = 0; ilpf2 < lpf2Count; ilpf2 += 1) {
ma_lpf2_config lpf2Config;
double q;
double a;
if (lpf1Count == 1) {
a = (1 + ilpf2*1) * (MA_PI_D/(pConfig->order*1));
} else {
a = (1 + ilpf2*2) * (MA_PI_D/(pConfig->order*2));
}
q = 1 / (2*ma_cosd(a));
lpf2Config = ma_lpf2_config_init(pConfig->format, pConfig->channels, pConfig->sampleRate, pConfig->cutoffFrequency, q);
if (isNew) {
size_t lpf2HeapSizeInBytes;
result = ma_lpf2_get_heap_size(&lpf2Config, &lpf2HeapSizeInBytes);
if (result == MA_SUCCESS) {
result = ma_lpf2_init_preallocated(&lpf2Config, ma_offset_ptr(pHeap, heapLayout.lpf2Offset + (sizeof(ma_lpf2) * lpf2Count) + (ilpf2 * lpf2HeapSizeInBytes)), &pLPF->pLPF2[ilpf2]);
}
} else {
result = ma_lpf2_reinit(&lpf2Config, &pLPF->pLPF2[ilpf2]);
}
if (result != MA_SUCCESS) {
ma_uint32 jlpf1;
ma_uint32 jlpf2;
for (jlpf1 = 0; jlpf1 < lpf1Count; jlpf1 += 1) {
ma_lpf1_uninit(&pLPF->pLPF1[jlpf1], NULL);
}
for (jlpf2 = 0; jlpf2 < ilpf2; jlpf2 += 1) {
ma_lpf2_uninit(&pLPF->pLPF2[jlpf2], NULL);
}
return result;
}
}
pLPF->lpf1Count = lpf1Count;
pLPF->lpf2Count = lpf2Count;
pLPF->format = pConfig->format;
pLPF->channels = pConfig->channels;
pLPF->sampleRate = pConfig->sampleRate;
return MA_SUCCESS;
}
MA_API ma_result ma_lpf_get_heap_size(const ma_lpf_config* pConfig, size_t* pHeapSizeInBytes)
{
ma_result result;
ma_lpf_heap_layout heapLayout;
if (pHeapSizeInBytes == NULL) {
return MA_INVALID_ARGS;
}
*pHeapSizeInBytes = 0;
result = ma_lpf_get_heap_layout(pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return result;
}
*pHeapSizeInBytes = heapLayout.sizeInBytes;
return result;
}
MA_API ma_result ma_lpf_init_preallocated(const ma_lpf_config* pConfig, void* pHeap, ma_lpf* pLPF)
{
if (pLPF == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pLPF);
return ma_lpf_reinit__internal(pConfig, pHeap, pLPF, MA_TRUE);
}
MA_API ma_result ma_lpf_init(const ma_lpf_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_lpf* pLPF)
{
ma_result result;
size_t heapSizeInBytes;
void* pHeap;
result = ma_lpf_get_heap_size(pConfig, &heapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
if (heapSizeInBytes > 0) {
pHeap = ma_malloc(heapSizeInBytes, pAllocationCallbacks);
if (pHeap == NULL) {
return MA_OUT_OF_MEMORY;
}
} else {
pHeap = NULL;
}
result = ma_lpf_init_preallocated(pConfig, pHeap, pLPF);
if (result != MA_SUCCESS) {
ma_free(pHeap, pAllocationCallbacks);
return result;
}
pLPF->_ownsHeap = MA_TRUE;
return MA_SUCCESS;
}
MA_API void ma_lpf_uninit(ma_lpf* pLPF, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_uint32 ilpf1;
ma_uint32 ilpf2;
if (pLPF == NULL) {
return;
}
for (ilpf1 = 0; ilpf1 < pLPF->lpf1Count; ilpf1 += 1) {
ma_lpf1_uninit(&pLPF->pLPF1[ilpf1], pAllocationCallbacks);
}
for (ilpf2 = 0; ilpf2 < pLPF->lpf2Count; ilpf2 += 1) {
ma_lpf2_uninit(&pLPF->pLPF2[ilpf2], pAllocationCallbacks);
}
if (pLPF->_ownsHeap) {
ma_free(pLPF->_pHeap, pAllocationCallbacks);
}
}
MA_API ma_result ma_lpf_reinit(const ma_lpf_config* pConfig, ma_lpf* pLPF)
{
return ma_lpf_reinit__internal(pConfig, NULL, pLPF, MA_FALSE);
}
MA_API ma_result ma_lpf_clear_cache(ma_lpf* pLPF)
{
ma_uint32 ilpf1;
ma_uint32 ilpf2;
if (pLPF == NULL) {
return MA_INVALID_ARGS;
}
for (ilpf1 = 0; ilpf1 < pLPF->lpf1Count; ilpf1 += 1) {
ma_lpf1_clear_cache(&pLPF->pLPF1[ilpf1]);
}
for (ilpf2 = 0; ilpf2 < pLPF->lpf2Count; ilpf2 += 1) {
ma_lpf2_clear_cache(&pLPF->pLPF2[ilpf2]);
}
return MA_SUCCESS;
}
static MA_INLINE void ma_lpf_process_pcm_frame_f32(ma_lpf* pLPF, float* pY, const void* pX)
{
ma_uint32 ilpf1;
ma_uint32 ilpf2;
MA_ASSERT(pLPF->format == ma_format_f32);
MA_MOVE_MEMORY(pY, pX, ma_get_bytes_per_frame(pLPF->format, pLPF->channels));
for (ilpf1 = 0; ilpf1 < pLPF->lpf1Count; ilpf1 += 1) {
ma_lpf1_process_pcm_frame_f32(&pLPF->pLPF1[ilpf1], pY, pY);
}
for (ilpf2 = 0; ilpf2 < pLPF->lpf2Count; ilpf2 += 1) {
ma_lpf2_process_pcm_frame_f32(&pLPF->pLPF2[ilpf2], pY, pY);
}
}
static MA_INLINE void ma_lpf_process_pcm_frame_s16(ma_lpf* pLPF, ma_int16* pY, const ma_int16* pX)
{
ma_uint32 ilpf1;
ma_uint32 ilpf2;
MA_ASSERT(pLPF->format == ma_format_s16);
MA_MOVE_MEMORY(pY, pX, ma_get_bytes_per_frame(pLPF->format, pLPF->channels));
for (ilpf1 = 0; ilpf1 < pLPF->lpf1Count; ilpf1 += 1) {
ma_lpf1_process_pcm_frame_s16(&pLPF->pLPF1[ilpf1], pY, pY);
}
for (ilpf2 = 0; ilpf2 < pLPF->lpf2Count; ilpf2 += 1) {
ma_lpf2_process_pcm_frame_s16(&pLPF->pLPF2[ilpf2], pY, pY);
}
}
MA_API ma_result ma_lpf_process_pcm_frames(ma_lpf* pLPF, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount)
{
ma_result result;
ma_uint32 ilpf1;
ma_uint32 ilpf2;
if (pLPF == NULL) {
return MA_INVALID_ARGS;
}
if (pFramesOut == pFramesIn) {
for (ilpf1 = 0; ilpf1 < pLPF->lpf1Count; ilpf1 += 1) {
result = ma_lpf1_process_pcm_frames(&pLPF->pLPF1[ilpf1], pFramesOut, pFramesOut, frameCount);
if (result != MA_SUCCESS) {
return result;
}
}
for (ilpf2 = 0; ilpf2 < pLPF->lpf2Count; ilpf2 += 1) {
result = ma_lpf2_process_pcm_frames(&pLPF->pLPF2[ilpf2], pFramesOut, pFramesOut, frameCount);
if (result != MA_SUCCESS) {
return result;
}
}
}
if (pFramesOut != pFramesIn) {
ma_uint32 iFrame;
if (pLPF->format == ma_format_f32) {
float* pFramesOutF32 = ( float*)pFramesOut;
const float* pFramesInF32 = (const float*)pFramesIn;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
ma_lpf_process_pcm_frame_f32(pLPF, pFramesOutF32, pFramesInF32);
pFramesOutF32 += pLPF->channels;
pFramesInF32 += pLPF->channels;
}
} else if (pLPF->format == ma_format_s16) {
ma_int16* pFramesOutS16 = ( ma_int16*)pFramesOut;
const ma_int16* pFramesInS16 = (const ma_int16*)pFramesIn;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
ma_lpf_process_pcm_frame_s16(pLPF, pFramesOutS16, pFramesInS16);
pFramesOutS16 += pLPF->channels;
pFramesInS16 += pLPF->channels;
}
} else {
MA_ASSERT(MA_FALSE);
return MA_INVALID_OPERATION;
}
}
return MA_SUCCESS;
}
MA_API ma_uint32 ma_lpf_get_latency(const ma_lpf* pLPF)
{
if (pLPF == NULL) {
return 0;
}
return pLPF->lpf2Count*2 + pLPF->lpf1Count;
}
MA_API ma_hpf1_config ma_hpf1_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRate, double cutoffFrequency)
{
ma_hpf1_config config;
MA_ZERO_OBJECT(&config);
config.format = format;
config.channels = channels;
config.sampleRate = sampleRate;
config.cutoffFrequency = cutoffFrequency;
return config;
}
MA_API ma_hpf2_config ma_hpf2_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRate, double cutoffFrequency, double q)
{
ma_hpf2_config config;
MA_ZERO_OBJECT(&config);
config.format = format;
config.channels = channels;
config.sampleRate = sampleRate;
config.cutoffFrequency = cutoffFrequency;
config.q = q;
if (config.q == 0) {
config.q = 0.707107;
}
return config;
}
typedef struct
{
size_t sizeInBytes;
size_t r1Offset;
} ma_hpf1_heap_layout;
static ma_result ma_hpf1_get_heap_layout(const ma_hpf1_config* pConfig, ma_hpf1_heap_layout* pHeapLayout)
{
MA_ASSERT(pHeapLayout != NULL);
MA_ZERO_OBJECT(pHeapLayout);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->channels == 0) {
return MA_INVALID_ARGS;
}
pHeapLayout->sizeInBytes = 0;
pHeapLayout->r1Offset = pHeapLayout->sizeInBytes;
pHeapLayout->sizeInBytes += sizeof(ma_biquad_coefficient) * pConfig->channels;
pHeapLayout->sizeInBytes = ma_align_64(pHeapLayout->sizeInBytes);
return MA_SUCCESS;
}
MA_API ma_result ma_hpf1_get_heap_size(const ma_hpf1_config* pConfig, size_t* pHeapSizeInBytes)
{
ma_result result;
ma_hpf1_heap_layout heapLayout;
if (pHeapSizeInBytes == NULL) {
return MA_INVALID_ARGS;
}
result = ma_hpf1_get_heap_layout(pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return result;
}
*pHeapSizeInBytes = heapLayout.sizeInBytes;
return MA_SUCCESS;
}
MA_API ma_result ma_hpf1_init_preallocated(const ma_hpf1_config* pConfig, void* pHeap, ma_hpf1* pLPF)
{
ma_result result;
ma_hpf1_heap_layout heapLayout;
if (pLPF == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pLPF);
result = ma_hpf1_get_heap_layout(pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return result;
}
pLPF->_pHeap = pHeap;
MA_ZERO_MEMORY(pHeap, heapLayout.sizeInBytes);
pLPF->pR1 = (ma_biquad_coefficient*)ma_offset_ptr(pHeap, heapLayout.r1Offset);
return ma_hpf1_reinit(pConfig, pLPF);
}
MA_API ma_result ma_hpf1_init(const ma_hpf1_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_hpf1* pLPF)
{
ma_result result;
size_t heapSizeInBytes;
void* pHeap;
result = ma_hpf1_get_heap_size(pConfig, &heapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
if (heapSizeInBytes > 0) {
pHeap = ma_malloc(heapSizeInBytes, pAllocationCallbacks);
if (pHeap == NULL) {
return MA_OUT_OF_MEMORY;
}
} else {
pHeap = NULL;
}
result = ma_hpf1_init_preallocated(pConfig, pHeap, pLPF);
if (result != MA_SUCCESS) {
ma_free(pHeap, pAllocationCallbacks);
return result;
}
pLPF->_ownsHeap = MA_TRUE;
return MA_SUCCESS;
}
MA_API void ma_hpf1_uninit(ma_hpf1* pHPF, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pHPF == NULL) {
return;
}
if (pHPF->_ownsHeap) {
ma_free(pHPF->_pHeap, pAllocationCallbacks);
}
}
MA_API ma_result ma_hpf1_reinit(const ma_hpf1_config* pConfig, ma_hpf1* pHPF)
{
double a;
if (pHPF == NULL || pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->format != ma_format_f32 && pConfig->format != ma_format_s16) {
return MA_INVALID_ARGS;
}
if (pHPF->format != ma_format_unknown && pHPF->format != pConfig->format) {
return MA_INVALID_OPERATION;
}
if (pHPF->channels != 0 && pHPF->channels != pConfig->channels) {
return MA_INVALID_OPERATION;
}
pHPF->format = pConfig->format;
pHPF->channels = pConfig->channels;
a = ma_expd(-2 * MA_PI_D * pConfig->cutoffFrequency / pConfig->sampleRate);
if (pConfig->format == ma_format_f32) {
pHPF->a.f32 = (float)a;
} else {
pHPF->a.s32 = ma_biquad_float_to_fp(a);
}
return MA_SUCCESS;
}
static MA_INLINE void ma_hpf1_process_pcm_frame_f32(ma_hpf1* pHPF, float* pY, const float* pX)
{
ma_uint32 c;
const ma_uint32 channels = pHPF->channels;
const float a = 1 - pHPF->a.f32;
const float b = 1 - a;
MA_ASSUME(channels > 0);
for (c = 0; c < channels; c += 1) {
float r1 = pHPF->pR1[c].f32;
float x = pX[c];
float y;
y = b*x - a*r1;
pY[c] = y;
pHPF->pR1[c].f32 = y;
}
}
static MA_INLINE void ma_hpf1_process_pcm_frame_s16(ma_hpf1* pHPF, ma_int16* pY, const ma_int16* pX)
{
ma_uint32 c;
const ma_uint32 channels = pHPF->channels;
const ma_int32 a = ((1 << MA_BIQUAD_FIXED_POINT_SHIFT) - pHPF->a.s32);
const ma_int32 b = ((1 << MA_BIQUAD_FIXED_POINT_SHIFT) - a);
MA_ASSUME(channels > 0);
for (c = 0; c < channels; c += 1) {
ma_int32 r1 = pHPF->pR1[c].s32;
ma_int32 x = pX[c];
ma_int32 y;
y = (b*x - a*r1) >> MA_BIQUAD_FIXED_POINT_SHIFT;
pY[c] = (ma_int16)y;
pHPF->pR1[c].s32 = (ma_int32)y;
}
}
MA_API ma_result ma_hpf1_process_pcm_frames(ma_hpf1* pHPF, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount)
{
ma_uint32 n;
if (pHPF == NULL || pFramesOut == NULL || pFramesIn == NULL) {
return MA_INVALID_ARGS;
}
if (pHPF->format == ma_format_f32) {
float* pY = ( float*)pFramesOut;
const float* pX = (const float*)pFramesIn;
for (n = 0; n < frameCount; n += 1) {
ma_hpf1_process_pcm_frame_f32(pHPF, pY, pX);
pY += pHPF->channels;
pX += pHPF->channels;
}
} else if (pHPF->format == ma_format_s16) {
ma_int16* pY = ( ma_int16*)pFramesOut;
const ma_int16* pX = (const ma_int16*)pFramesIn;
for (n = 0; n < frameCount; n += 1) {
ma_hpf1_process_pcm_frame_s16(pHPF, pY, pX);
pY += pHPF->channels;
pX += pHPF->channels;
}
} else {
MA_ASSERT(MA_FALSE);
return MA_INVALID_ARGS;
}
return MA_SUCCESS;
}
MA_API ma_uint32 ma_hpf1_get_latency(const ma_hpf1* pHPF)
{
if (pHPF == NULL) {
return 0;
}
return 1;
}
static MA_INLINE ma_biquad_config ma_hpf2__get_biquad_config(const ma_hpf2_config* pConfig)
{
ma_biquad_config bqConfig;
double q;
double w;
double s;
double c;
double a;
MA_ASSERT(pConfig != NULL);
q = pConfig->q;
w = 2 * MA_PI_D * pConfig->cutoffFrequency / pConfig->sampleRate;
s = ma_sind(w);
c = ma_cosd(w);
a = s / (2*q);
bqConfig.b0 = (1 + c) / 2;
bqConfig.b1 = -(1 + c);
bqConfig.b2 = (1 + c) / 2;
bqConfig.a0 = 1 + a;
bqConfig.a1 = -2 * c;
bqConfig.a2 = 1 - a;
bqConfig.format = pConfig->format;
bqConfig.channels = pConfig->channels;
return bqConfig;
}
MA_API ma_result ma_hpf2_get_heap_size(const ma_hpf2_config* pConfig, size_t* pHeapSizeInBytes)
{
ma_biquad_config bqConfig;
bqConfig = ma_hpf2__get_biquad_config(pConfig);
return ma_biquad_get_heap_size(&bqConfig, pHeapSizeInBytes);
}
MA_API ma_result ma_hpf2_init_preallocated(const ma_hpf2_config* pConfig, void* pHeap, ma_hpf2* pHPF)
{
ma_result result;
ma_biquad_config bqConfig;
if (pHPF == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pHPF);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
bqConfig = ma_hpf2__get_biquad_config(pConfig);
result = ma_biquad_init_preallocated(&bqConfig, pHeap, &pHPF->bq);
if (result != MA_SUCCESS) {
return result;
}
return MA_SUCCESS;
}
MA_API ma_result ma_hpf2_init(const ma_hpf2_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_hpf2* pHPF)
{
ma_result result;
size_t heapSizeInBytes;
void* pHeap;
result = ma_hpf2_get_heap_size(pConfig, &heapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
if (heapSizeInBytes > 0) {
pHeap = ma_malloc(heapSizeInBytes, pAllocationCallbacks);
if (pHeap == NULL) {
return MA_OUT_OF_MEMORY;
}
} else {
pHeap = NULL;
}
result = ma_hpf2_init_preallocated(pConfig, pHeap, pHPF);
if (result != MA_SUCCESS) {
ma_free(pHeap, pAllocationCallbacks);
return result;
}
pHPF->bq._ownsHeap = MA_TRUE;
return MA_SUCCESS;
}
MA_API void ma_hpf2_uninit(ma_hpf2* pHPF, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pHPF == NULL) {
return;
}
ma_biquad_uninit(&pHPF->bq, pAllocationCallbacks);
}
MA_API ma_result ma_hpf2_reinit(const ma_hpf2_config* pConfig, ma_hpf2* pHPF)
{
ma_result result;
ma_biquad_config bqConfig;
if (pHPF == NULL || pConfig == NULL) {
return MA_INVALID_ARGS;
}
bqConfig = ma_hpf2__get_biquad_config(pConfig);
result = ma_biquad_reinit(&bqConfig, &pHPF->bq);
if (result != MA_SUCCESS) {
return result;
}
return MA_SUCCESS;
}
static MA_INLINE void ma_hpf2_process_pcm_frame_s16(ma_hpf2* pHPF, ma_int16* pFrameOut, const ma_int16* pFrameIn)
{
ma_biquad_process_pcm_frame_s16(&pHPF->bq, pFrameOut, pFrameIn);
}
static MA_INLINE void ma_hpf2_process_pcm_frame_f32(ma_hpf2* pHPF, float* pFrameOut, const float* pFrameIn)
{
ma_biquad_process_pcm_frame_f32(&pHPF->bq, pFrameOut, pFrameIn);
}
MA_API ma_result ma_hpf2_process_pcm_frames(ma_hpf2* pHPF, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount)
{
if (pHPF == NULL) {
return MA_INVALID_ARGS;
}
return ma_biquad_process_pcm_frames(&pHPF->bq, pFramesOut, pFramesIn, frameCount);
}
MA_API ma_uint32 ma_hpf2_get_latency(const ma_hpf2* pHPF)
{
if (pHPF == NULL) {
return 0;
}
return ma_biquad_get_latency(&pHPF->bq);
}
MA_API ma_hpf_config ma_hpf_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRate, double cutoffFrequency, ma_uint32 order)
{
ma_hpf_config config;
MA_ZERO_OBJECT(&config);
config.format = format;
config.channels = channels;
config.sampleRate = sampleRate;
config.cutoffFrequency = cutoffFrequency;
config.order = ma_min(order, MA_MAX_FILTER_ORDER);
return config;
}
typedef struct
{
size_t sizeInBytes;
size_t hpf1Offset;
size_t hpf2Offset;
} ma_hpf_heap_layout;
static void ma_hpf_calculate_sub_hpf_counts(ma_uint32 order, ma_uint32* pHPF1Count, ma_uint32* pHPF2Count)
{
MA_ASSERT(pHPF1Count != NULL);
MA_ASSERT(pHPF2Count != NULL);
*pHPF1Count = order % 2;
*pHPF2Count = order / 2;
}
static ma_result ma_hpf_get_heap_layout(const ma_hpf_config* pConfig, ma_hpf_heap_layout* pHeapLayout)
{
ma_result result;
ma_uint32 hpf1Count;
ma_uint32 hpf2Count;
ma_uint32 ihpf1;
ma_uint32 ihpf2;
MA_ASSERT(pHeapLayout != NULL);
MA_ZERO_OBJECT(pHeapLayout);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->channels == 0) {
return MA_INVALID_ARGS;
}
if (pConfig->order > MA_MAX_FILTER_ORDER) {
return MA_INVALID_ARGS;
}
ma_hpf_calculate_sub_hpf_counts(pConfig->order, &hpf1Count, &hpf2Count);
pHeapLayout->sizeInBytes = 0;
pHeapLayout->hpf1Offset = pHeapLayout->sizeInBytes;
for (ihpf1 = 0; ihpf1 < hpf1Count; ihpf1 += 1) {
size_t hpf1HeapSizeInBytes;
ma_hpf1_config hpf1Config = ma_hpf1_config_init(pConfig->format, pConfig->channels, pConfig->sampleRate, pConfig->cutoffFrequency);
result = ma_hpf1_get_heap_size(&hpf1Config, &hpf1HeapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
pHeapLayout->sizeInBytes += sizeof(ma_hpf1) + hpf1HeapSizeInBytes;
}
pHeapLayout->hpf2Offset = pHeapLayout->sizeInBytes;
for (ihpf2 = 0; ihpf2 < hpf2Count; ihpf2 += 1) {
size_t hpf2HeapSizeInBytes;
ma_hpf2_config hpf2Config = ma_hpf2_config_init(pConfig->format, pConfig->channels, pConfig->sampleRate, pConfig->cutoffFrequency, 0.707107);
result = ma_hpf2_get_heap_size(&hpf2Config, &hpf2HeapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
pHeapLayout->sizeInBytes += sizeof(ma_hpf2) + hpf2HeapSizeInBytes;
}
pHeapLayout->sizeInBytes = ma_align_64(pHeapLayout->sizeInBytes);
return MA_SUCCESS;
}
static ma_result ma_hpf_reinit__internal(const ma_hpf_config* pConfig, void* pHeap, ma_hpf* pHPF, ma_bool32 isNew)
{
ma_result result;
ma_uint32 hpf1Count;
ma_uint32 hpf2Count;
ma_uint32 ihpf1;
ma_uint32 ihpf2;
ma_hpf_heap_layout heapLayout;
if (pHPF == NULL || pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->format != ma_format_f32 && pConfig->format != ma_format_s16) {
return MA_INVALID_ARGS;
}
if (pHPF->format != ma_format_unknown && pHPF->format != pConfig->format) {
return MA_INVALID_OPERATION;
}
if (pHPF->channels != 0 && pHPF->channels != pConfig->channels) {
return MA_INVALID_OPERATION;
}
if (pConfig->order > MA_MAX_FILTER_ORDER) {
return MA_INVALID_ARGS;
}
ma_hpf_calculate_sub_hpf_counts(pConfig->order, &hpf1Count, &hpf2Count);
if (!isNew) {
if (pHPF->hpf1Count != hpf1Count || pHPF->hpf2Count != hpf2Count) {
return MA_INVALID_OPERATION;
}
}
if (isNew) {
result = ma_hpf_get_heap_layout(pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return result;
}
pHPF->_pHeap = pHeap;
MA_ZERO_MEMORY(pHeap, heapLayout.sizeInBytes);
pHPF->pHPF1 = (ma_hpf1*)ma_offset_ptr(pHeap, heapLayout.hpf1Offset);
pHPF->pHPF2 = (ma_hpf2*)ma_offset_ptr(pHeap, heapLayout.hpf2Offset);
} else {
MA_ZERO_OBJECT(&heapLayout);
}
for (ihpf1 = 0; ihpf1 < hpf1Count; ihpf1 += 1) {
ma_hpf1_config hpf1Config = ma_hpf1_config_init(pConfig->format, pConfig->channels, pConfig->sampleRate, pConfig->cutoffFrequency);
if (isNew) {
size_t hpf1HeapSizeInBytes;
result = ma_hpf1_get_heap_size(&hpf1Config, &hpf1HeapSizeInBytes);
if (result == MA_SUCCESS) {
result = ma_hpf1_init_preallocated(&hpf1Config, ma_offset_ptr(pHeap, heapLayout.hpf1Offset + (sizeof(ma_hpf1) * hpf1Count) + (ihpf1 * hpf1HeapSizeInBytes)), &pHPF->pHPF1[ihpf1]);
}
} else {
result = ma_hpf1_reinit(&hpf1Config, &pHPF->pHPF1[ihpf1]);
}
if (result != MA_SUCCESS) {
ma_uint32 jhpf1;
for (jhpf1 = 0; jhpf1 < ihpf1; jhpf1 += 1) {
ma_hpf1_uninit(&pHPF->pHPF1[jhpf1], NULL);
}
return result;
}
}
for (ihpf2 = 0; ihpf2 < hpf2Count; ihpf2 += 1) {
ma_hpf2_config hpf2Config;
double q;
double a;
if (hpf1Count == 1) {
a = (1 + ihpf2*1) * (MA_PI_D/(pConfig->order*1));
} else {
a = (1 + ihpf2*2) * (MA_PI_D/(pConfig->order*2));
}
q = 1 / (2*ma_cosd(a));
hpf2Config = ma_hpf2_config_init(pConfig->format, pConfig->channels, pConfig->sampleRate, pConfig->cutoffFrequency, q);
if (isNew) {
size_t hpf2HeapSizeInBytes;
result = ma_hpf2_get_heap_size(&hpf2Config, &hpf2HeapSizeInBytes);
if (result == MA_SUCCESS) {
result = ma_hpf2_init_preallocated(&hpf2Config, ma_offset_ptr(pHeap, heapLayout.hpf2Offset + (sizeof(ma_hpf2) * hpf2Count) + (ihpf2 * hpf2HeapSizeInBytes)), &pHPF->pHPF2[ihpf2]);
}
} else {
result = ma_hpf2_reinit(&hpf2Config, &pHPF->pHPF2[ihpf2]);
}
if (result != MA_SUCCESS) {
ma_uint32 jhpf1;
ma_uint32 jhpf2;
for (jhpf1 = 0; jhpf1 < hpf1Count; jhpf1 += 1) {
ma_hpf1_uninit(&pHPF->pHPF1[jhpf1], NULL);
}
for (jhpf2 = 0; jhpf2 < ihpf2; jhpf2 += 1) {
ma_hpf2_uninit(&pHPF->pHPF2[jhpf2], NULL);
}
return result;
}
}
pHPF->hpf1Count = hpf1Count;
pHPF->hpf2Count = hpf2Count;
pHPF->format = pConfig->format;
pHPF->channels = pConfig->channels;
pHPF->sampleRate = pConfig->sampleRate;
return MA_SUCCESS;
}
MA_API ma_result ma_hpf_get_heap_size(const ma_hpf_config* pConfig, size_t* pHeapSizeInBytes)
{
ma_result result;
ma_hpf_heap_layout heapLayout;
if (pHeapSizeInBytes == NULL) {
return MA_INVALID_ARGS;
}
*pHeapSizeInBytes = 0;
result = ma_hpf_get_heap_layout(pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return result;
}
*pHeapSizeInBytes = heapLayout.sizeInBytes;
return result;
}
MA_API ma_result ma_hpf_init_preallocated(const ma_hpf_config* pConfig, void* pHeap, ma_hpf* pLPF)
{
if (pLPF == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pLPF);
return ma_hpf_reinit__internal(pConfig, pHeap, pLPF, MA_TRUE);
}
MA_API ma_result ma_hpf_init(const ma_hpf_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_hpf* pHPF)
{
ma_result result;
size_t heapSizeInBytes;
void* pHeap;
result = ma_hpf_get_heap_size(pConfig, &heapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
if (heapSizeInBytes > 0) {
pHeap = ma_malloc(heapSizeInBytes, pAllocationCallbacks);
if (pHeap == NULL) {
return MA_OUT_OF_MEMORY;
}
} else {
pHeap = NULL;
}
result = ma_hpf_init_preallocated(pConfig, pHeap, pHPF);
if (result != MA_SUCCESS) {
ma_free(pHeap, pAllocationCallbacks);
return result;
}
pHPF->_ownsHeap = MA_TRUE;
return MA_SUCCESS;
}
MA_API void ma_hpf_uninit(ma_hpf* pHPF, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_uint32 ihpf1;
ma_uint32 ihpf2;
if (pHPF == NULL) {
return;
}
for (ihpf1 = 0; ihpf1 < pHPF->hpf1Count; ihpf1 += 1) {
ma_hpf1_uninit(&pHPF->pHPF1[ihpf1], pAllocationCallbacks);
}
for (ihpf2 = 0; ihpf2 < pHPF->hpf2Count; ihpf2 += 1) {
ma_hpf2_uninit(&pHPF->pHPF2[ihpf2], pAllocationCallbacks);
}
if (pHPF->_ownsHeap) {
ma_free(pHPF->_pHeap, pAllocationCallbacks);
}
}
MA_API ma_result ma_hpf_reinit(const ma_hpf_config* pConfig, ma_hpf* pHPF)
{
return ma_hpf_reinit__internal(pConfig, NULL, pHPF, MA_FALSE);
}
MA_API ma_result ma_hpf_process_pcm_frames(ma_hpf* pHPF, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount)
{
ma_result result;
ma_uint32 ihpf1;
ma_uint32 ihpf2;
if (pHPF == NULL) {
return MA_INVALID_ARGS;
}
if (pFramesOut == pFramesIn) {
for (ihpf1 = 0; ihpf1 < pHPF->hpf1Count; ihpf1 += 1) {
result = ma_hpf1_process_pcm_frames(&pHPF->pHPF1[ihpf1], pFramesOut, pFramesOut, frameCount);
if (result != MA_SUCCESS) {
return result;
}
}
for (ihpf2 = 0; ihpf2 < pHPF->hpf2Count; ihpf2 += 1) {
result = ma_hpf2_process_pcm_frames(&pHPF->pHPF2[ihpf2], pFramesOut, pFramesOut, frameCount);
if (result != MA_SUCCESS) {
return result;
}
}
}
if (pFramesOut != pFramesIn) {
ma_uint32 iFrame;
if (pHPF->format == ma_format_f32) {
float* pFramesOutF32 = ( float*)pFramesOut;
const float* pFramesInF32 = (const float*)pFramesIn;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
MA_COPY_MEMORY(pFramesOutF32, pFramesInF32, ma_get_bytes_per_frame(pHPF->format, pHPF->channels));
for (ihpf1 = 0; ihpf1 < pHPF->hpf1Count; ihpf1 += 1) {
ma_hpf1_process_pcm_frame_f32(&pHPF->pHPF1[ihpf1], pFramesOutF32, pFramesOutF32);
}
for (ihpf2 = 0; ihpf2 < pHPF->hpf2Count; ihpf2 += 1) {
ma_hpf2_process_pcm_frame_f32(&pHPF->pHPF2[ihpf2], pFramesOutF32, pFramesOutF32);
}
pFramesOutF32 += pHPF->channels;
pFramesInF32 += pHPF->channels;
}
} else if (pHPF->format == ma_format_s16) {
ma_int16* pFramesOutS16 = ( ma_int16*)pFramesOut;
const ma_int16* pFramesInS16 = (const ma_int16*)pFramesIn;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
MA_COPY_MEMORY(pFramesOutS16, pFramesInS16, ma_get_bytes_per_frame(pHPF->format, pHPF->channels));
for (ihpf1 = 0; ihpf1 < pHPF->hpf1Count; ihpf1 += 1) {
ma_hpf1_process_pcm_frame_s16(&pHPF->pHPF1[ihpf1], pFramesOutS16, pFramesOutS16);
}
for (ihpf2 = 0; ihpf2 < pHPF->hpf2Count; ihpf2 += 1) {
ma_hpf2_process_pcm_frame_s16(&pHPF->pHPF2[ihpf2], pFramesOutS16, pFramesOutS16);
}
pFramesOutS16 += pHPF->channels;
pFramesInS16 += pHPF->channels;
}
} else {
MA_ASSERT(MA_FALSE);
return MA_INVALID_OPERATION;
}
}
return MA_SUCCESS;
}
MA_API ma_uint32 ma_hpf_get_latency(const ma_hpf* pHPF)
{
if (pHPF == NULL) {
return 0;
}
return pHPF->hpf2Count*2 + pHPF->hpf1Count;
}
MA_API ma_bpf2_config ma_bpf2_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRate, double cutoffFrequency, double q)
{
ma_bpf2_config config;
MA_ZERO_OBJECT(&config);
config.format = format;
config.channels = channels;
config.sampleRate = sampleRate;
config.cutoffFrequency = cutoffFrequency;
config.q = q;
if (config.q == 0) {
config.q = 0.707107;
}
return config;
}
static MA_INLINE ma_biquad_config ma_bpf2__get_biquad_config(const ma_bpf2_config* pConfig)
{
ma_biquad_config bqConfig;
double q;
double w;
double s;
double c;
double a;
MA_ASSERT(pConfig != NULL);
q = pConfig->q;
w = 2 * MA_PI_D * pConfig->cutoffFrequency / pConfig->sampleRate;
s = ma_sind(w);
c = ma_cosd(w);
a = s / (2*q);
bqConfig.b0 = q * a;
bqConfig.b1 = 0;
bqConfig.b2 = -q * a;
bqConfig.a0 = 1 + a;
bqConfig.a1 = -2 * c;
bqConfig.a2 = 1 - a;
bqConfig.format = pConfig->format;
bqConfig.channels = pConfig->channels;
return bqConfig;
}
MA_API ma_result ma_bpf2_get_heap_size(const ma_bpf2_config* pConfig, size_t* pHeapSizeInBytes)
{
ma_biquad_config bqConfig;
bqConfig = ma_bpf2__get_biquad_config(pConfig);
return ma_biquad_get_heap_size(&bqConfig, pHeapSizeInBytes);
}
MA_API ma_result ma_bpf2_init_preallocated(const ma_bpf2_config* pConfig, void* pHeap, ma_bpf2* pBPF)
{
ma_result result;
ma_biquad_config bqConfig;
if (pBPF == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pBPF);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
bqConfig = ma_bpf2__get_biquad_config(pConfig);
result = ma_biquad_init_preallocated(&bqConfig, pHeap, &pBPF->bq);
if (result != MA_SUCCESS) {
return result;
}
return MA_SUCCESS;
}
MA_API ma_result ma_bpf2_init(const ma_bpf2_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_bpf2* pBPF)
{
ma_result result;
size_t heapSizeInBytes;
void* pHeap;
result = ma_bpf2_get_heap_size(pConfig, &heapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
if (heapSizeInBytes > 0) {
pHeap = ma_malloc(heapSizeInBytes, pAllocationCallbacks);
if (pHeap == NULL) {
return MA_OUT_OF_MEMORY;
}
} else {
pHeap = NULL;
}
result = ma_bpf2_init_preallocated(pConfig, pHeap, pBPF);
if (result != MA_SUCCESS) {
ma_free(pHeap, pAllocationCallbacks);
return result;
}
pBPF->bq._ownsHeap = MA_TRUE;
return MA_SUCCESS;
}
MA_API void ma_bpf2_uninit(ma_bpf2* pBPF, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pBPF == NULL) {
return;
}
ma_biquad_uninit(&pBPF->bq, pAllocationCallbacks);
}
MA_API ma_result ma_bpf2_reinit(const ma_bpf2_config* pConfig, ma_bpf2* pBPF)
{
ma_result result;
ma_biquad_config bqConfig;
if (pBPF == NULL || pConfig == NULL) {
return MA_INVALID_ARGS;
}
bqConfig = ma_bpf2__get_biquad_config(pConfig);
result = ma_biquad_reinit(&bqConfig, &pBPF->bq);
if (result != MA_SUCCESS) {
return result;
}
return MA_SUCCESS;
}
static MA_INLINE void ma_bpf2_process_pcm_frame_s16(ma_bpf2* pBPF, ma_int16* pFrameOut, const ma_int16* pFrameIn)
{
ma_biquad_process_pcm_frame_s16(&pBPF->bq, pFrameOut, pFrameIn);
}
static MA_INLINE void ma_bpf2_process_pcm_frame_f32(ma_bpf2* pBPF, float* pFrameOut, const float* pFrameIn)
{
ma_biquad_process_pcm_frame_f32(&pBPF->bq, pFrameOut, pFrameIn);
}
MA_API ma_result ma_bpf2_process_pcm_frames(ma_bpf2* pBPF, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount)
{
if (pBPF == NULL) {
return MA_INVALID_ARGS;
}
return ma_biquad_process_pcm_frames(&pBPF->bq, pFramesOut, pFramesIn, frameCount);
}
MA_API ma_uint32 ma_bpf2_get_latency(const ma_bpf2* pBPF)
{
if (pBPF == NULL) {
return 0;
}
return ma_biquad_get_latency(&pBPF->bq);
}
MA_API ma_bpf_config ma_bpf_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRate, double cutoffFrequency, ma_uint32 order)
{
ma_bpf_config config;
MA_ZERO_OBJECT(&config);
config.format = format;
config.channels = channels;
config.sampleRate = sampleRate;
config.cutoffFrequency = cutoffFrequency;
config.order = ma_min(order, MA_MAX_FILTER_ORDER);
return config;
}
typedef struct
{
size_t sizeInBytes;
size_t bpf2Offset;
} ma_bpf_heap_layout;
static ma_result ma_bpf_get_heap_layout(const ma_bpf_config* pConfig, ma_bpf_heap_layout* pHeapLayout)
{
ma_result result;
ma_uint32 bpf2Count;
ma_uint32 ibpf2;
MA_ASSERT(pHeapLayout != NULL);
MA_ZERO_OBJECT(pHeapLayout);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->order > MA_MAX_FILTER_ORDER) {
return MA_INVALID_ARGS;
}
if ((pConfig->order & 0x1) != 0) {
return MA_INVALID_ARGS;
}
bpf2Count = pConfig->order / 2;
pHeapLayout->sizeInBytes = 0;
pHeapLayout->bpf2Offset = pHeapLayout->sizeInBytes;
for (ibpf2 = 0; ibpf2 < bpf2Count; ibpf2 += 1) {
size_t bpf2HeapSizeInBytes;
ma_bpf2_config bpf2Config = ma_bpf2_config_init(pConfig->format, pConfig->channels, pConfig->sampleRate, pConfig->cutoffFrequency, 0.707107);
result = ma_bpf2_get_heap_size(&bpf2Config, &bpf2HeapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
pHeapLayout->sizeInBytes += sizeof(ma_bpf2) + bpf2HeapSizeInBytes;
}
pHeapLayout->sizeInBytes = ma_align_64(pHeapLayout->sizeInBytes);
return MA_SUCCESS;
}
static ma_result ma_bpf_reinit__internal(const ma_bpf_config* pConfig, void* pHeap, ma_bpf* pBPF, ma_bool32 isNew)
{
ma_result result;
ma_uint32 bpf2Count;
ma_uint32 ibpf2;
ma_bpf_heap_layout heapLayout;
if (pBPF == NULL || pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->format != ma_format_f32 && pConfig->format != ma_format_s16) {
return MA_INVALID_ARGS;
}
if (pBPF->format != ma_format_unknown && pBPF->format != pConfig->format) {
return MA_INVALID_OPERATION;
}
if (pBPF->channels != 0 && pBPF->channels != pConfig->channels) {
return MA_INVALID_OPERATION;
}
if (pConfig->order > MA_MAX_FILTER_ORDER) {
return MA_INVALID_ARGS;
}
if ((pConfig->order & 0x1) != 0) {
return MA_INVALID_ARGS;
}
bpf2Count = pConfig->order / 2;
if (!isNew) {
if (pBPF->bpf2Count != bpf2Count) {
return MA_INVALID_OPERATION;
}
}
if (isNew) {
result = ma_bpf_get_heap_layout(pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return result;
}
pBPF->_pHeap = pHeap;
MA_ZERO_MEMORY(pHeap, heapLayout.sizeInBytes);
pBPF->pBPF2 = (ma_bpf2*)ma_offset_ptr(pHeap, heapLayout.bpf2Offset);
} else {
MA_ZERO_OBJECT(&heapLayout);
}
for (ibpf2 = 0; ibpf2 < bpf2Count; ibpf2 += 1) {
ma_bpf2_config bpf2Config;
double q;
q = 0.707107;
bpf2Config = ma_bpf2_config_init(pConfig->format, pConfig->channels, pConfig->sampleRate, pConfig->cutoffFrequency, q);
if (isNew) {
size_t bpf2HeapSizeInBytes;
result = ma_bpf2_get_heap_size(&bpf2Config, &bpf2HeapSizeInBytes);
if (result == MA_SUCCESS) {
result = ma_bpf2_init_preallocated(&bpf2Config, ma_offset_ptr(pHeap, heapLayout.bpf2Offset + (sizeof(ma_bpf2) * bpf2Count) + (ibpf2 * bpf2HeapSizeInBytes)), &pBPF->pBPF2[ibpf2]);
}
} else {
result = ma_bpf2_reinit(&bpf2Config, &pBPF->pBPF2[ibpf2]);
}
if (result != MA_SUCCESS) {
return result;
}
}
pBPF->bpf2Count = bpf2Count;
pBPF->format = pConfig->format;
pBPF->channels = pConfig->channels;
return MA_SUCCESS;
}
MA_API ma_result ma_bpf_get_heap_size(const ma_bpf_config* pConfig, size_t* pHeapSizeInBytes)
{
ma_result result;
ma_bpf_heap_layout heapLayout;
if (pHeapSizeInBytes == NULL) {
return MA_INVALID_ARGS;
}
*pHeapSizeInBytes = 0;
result = ma_bpf_get_heap_layout(pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return result;
}
*pHeapSizeInBytes = heapLayout.sizeInBytes;
return MA_SUCCESS;
}
MA_API ma_result ma_bpf_init_preallocated(const ma_bpf_config* pConfig, void* pHeap, ma_bpf* pBPF)
{
if (pBPF == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pBPF);
return ma_bpf_reinit__internal(pConfig, pHeap, pBPF, MA_TRUE);
}
MA_API ma_result ma_bpf_init(const ma_bpf_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_bpf* pBPF)
{
ma_result result;
size_t heapSizeInBytes;
void* pHeap;
result = ma_bpf_get_heap_size(pConfig, &heapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
if (heapSizeInBytes > 0) {
pHeap = ma_malloc(heapSizeInBytes, pAllocationCallbacks);
if (pHeap == NULL) {
return MA_OUT_OF_MEMORY;
}
} else {
pHeap = NULL;
}
result = ma_bpf_init_preallocated(pConfig, pHeap, pBPF);
if (result != MA_SUCCESS) {
ma_free(pHeap, pAllocationCallbacks);
return result;
}
pBPF->_ownsHeap = MA_TRUE;
return MA_SUCCESS;
}
MA_API void ma_bpf_uninit(ma_bpf* pBPF, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_uint32 ibpf2;
if (pBPF == NULL) {
return;
}
for (ibpf2 = 0; ibpf2 < pBPF->bpf2Count; ibpf2 += 1) {
ma_bpf2_uninit(&pBPF->pBPF2[ibpf2], pAllocationCallbacks);
}
if (pBPF->_ownsHeap) {
ma_free(pBPF->_pHeap, pAllocationCallbacks);
}
}
MA_API ma_result ma_bpf_reinit(const ma_bpf_config* pConfig, ma_bpf* pBPF)
{
return ma_bpf_reinit__internal(pConfig, NULL, pBPF, MA_FALSE);
}
MA_API ma_result ma_bpf_process_pcm_frames(ma_bpf* pBPF, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount)
{
ma_result result;
ma_uint32 ibpf2;
if (pBPF == NULL) {
return MA_INVALID_ARGS;
}
if (pFramesOut == pFramesIn) {
for (ibpf2 = 0; ibpf2 < pBPF->bpf2Count; ibpf2 += 1) {
result = ma_bpf2_process_pcm_frames(&pBPF->pBPF2[ibpf2], pFramesOut, pFramesOut, frameCount);
if (result != MA_SUCCESS) {
return result;
}
}
}
if (pFramesOut != pFramesIn) {
ma_uint32 iFrame;
if (pBPF->format == ma_format_f32) {
float* pFramesOutF32 = ( float*)pFramesOut;
const float* pFramesInF32 = (const float*)pFramesIn;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
MA_COPY_MEMORY(pFramesOutF32, pFramesInF32, ma_get_bytes_per_frame(pBPF->format, pBPF->channels));
for (ibpf2 = 0; ibpf2 < pBPF->bpf2Count; ibpf2 += 1) {
ma_bpf2_process_pcm_frame_f32(&pBPF->pBPF2[ibpf2], pFramesOutF32, pFramesOutF32);
}
pFramesOutF32 += pBPF->channels;
pFramesInF32 += pBPF->channels;
}
} else if (pBPF->format == ma_format_s16) {
ma_int16* pFramesOutS16 = ( ma_int16*)pFramesOut;
const ma_int16* pFramesInS16 = (const ma_int16*)pFramesIn;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
MA_COPY_MEMORY(pFramesOutS16, pFramesInS16, ma_get_bytes_per_frame(pBPF->format, pBPF->channels));
for (ibpf2 = 0; ibpf2 < pBPF->bpf2Count; ibpf2 += 1) {
ma_bpf2_process_pcm_frame_s16(&pBPF->pBPF2[ibpf2], pFramesOutS16, pFramesOutS16);
}
pFramesOutS16 += pBPF->channels;
pFramesInS16 += pBPF->channels;
}
} else {
MA_ASSERT(MA_FALSE);
return MA_INVALID_OPERATION;
}
}
return MA_SUCCESS;
}
MA_API ma_uint32 ma_bpf_get_latency(const ma_bpf* pBPF)
{
if (pBPF == NULL) {
return 0;
}
return pBPF->bpf2Count*2;
}
MA_API ma_notch2_config ma_notch2_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRate, double q, double frequency)
{
ma_notch2_config config;
MA_ZERO_OBJECT(&config);
config.format = format;
config.channels = channels;
config.sampleRate = sampleRate;
config.q = q;
config.frequency = frequency;
if (config.q == 0) {
config.q = 0.707107;
}
return config;
}
static MA_INLINE ma_biquad_config ma_notch2__get_biquad_config(const ma_notch2_config* pConfig)
{
ma_biquad_config bqConfig;
double q;
double w;
double s;
double c;
double a;
MA_ASSERT(pConfig != NULL);
q = pConfig->q;
w = 2 * MA_PI_D * pConfig->frequency / pConfig->sampleRate;
s = ma_sind(w);
c = ma_cosd(w);
a = s / (2*q);
bqConfig.b0 = 1;
bqConfig.b1 = -2 * c;
bqConfig.b2 = 1;
bqConfig.a0 = 1 + a;
bqConfig.a1 = -2 * c;
bqConfig.a2 = 1 - a;
bqConfig.format = pConfig->format;
bqConfig.channels = pConfig->channels;
return bqConfig;
}
MA_API ma_result ma_notch2_get_heap_size(const ma_notch2_config* pConfig, size_t* pHeapSizeInBytes)
{
ma_biquad_config bqConfig;
bqConfig = ma_notch2__get_biquad_config(pConfig);
return ma_biquad_get_heap_size(&bqConfig, pHeapSizeInBytes);
}
MA_API ma_result ma_notch2_init_preallocated(const ma_notch2_config* pConfig, void* pHeap, ma_notch2* pFilter)
{
ma_result result;
ma_biquad_config bqConfig;
if (pFilter == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pFilter);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
bqConfig = ma_notch2__get_biquad_config(pConfig);
result = ma_biquad_init_preallocated(&bqConfig, pHeap, &pFilter->bq);
if (result != MA_SUCCESS) {
return result;
}
return MA_SUCCESS;
}
MA_API ma_result ma_notch2_init(const ma_notch2_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_notch2* pFilter)
{
ma_result result;
size_t heapSizeInBytes;
void* pHeap;
result = ma_notch2_get_heap_size(pConfig, &heapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
if (heapSizeInBytes > 0) {
pHeap = ma_malloc(heapSizeInBytes, pAllocationCallbacks);
if (pHeap == NULL) {
return MA_OUT_OF_MEMORY;
}
} else {
pHeap = NULL;
}
result = ma_notch2_init_preallocated(pConfig, pHeap, pFilter);
if (result != MA_SUCCESS) {
ma_free(pHeap, pAllocationCallbacks);
return result;
}
pFilter->bq._ownsHeap = MA_TRUE;
return MA_SUCCESS;
}
MA_API void ma_notch2_uninit(ma_notch2* pFilter, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pFilter == NULL) {
return;
}
ma_biquad_uninit(&pFilter->bq, pAllocationCallbacks);
}
MA_API ma_result ma_notch2_reinit(const ma_notch2_config* pConfig, ma_notch2* pFilter)
{
ma_result result;
ma_biquad_config bqConfig;
if (pFilter == NULL || pConfig == NULL) {
return MA_INVALID_ARGS;
}
bqConfig = ma_notch2__get_biquad_config(pConfig);
result = ma_biquad_reinit(&bqConfig, &pFilter->bq);
if (result != MA_SUCCESS) {
return result;
}
return MA_SUCCESS;
}
static MA_INLINE void ma_notch2_process_pcm_frame_s16(ma_notch2* pFilter, ma_int16* pFrameOut, const ma_int16* pFrameIn)
{
ma_biquad_process_pcm_frame_s16(&pFilter->bq, pFrameOut, pFrameIn);
}
static MA_INLINE void ma_notch2_process_pcm_frame_f32(ma_notch2* pFilter, float* pFrameOut, const float* pFrameIn)
{
ma_biquad_process_pcm_frame_f32(&pFilter->bq, pFrameOut, pFrameIn);
}
MA_API ma_result ma_notch2_process_pcm_frames(ma_notch2* pFilter, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount)
{
if (pFilter == NULL) {
return MA_INVALID_ARGS;
}
return ma_biquad_process_pcm_frames(&pFilter->bq, pFramesOut, pFramesIn, frameCount);
}
MA_API ma_uint32 ma_notch2_get_latency(const ma_notch2* pFilter)
{
if (pFilter == NULL) {
return 0;
}
return ma_biquad_get_latency(&pFilter->bq);
}
MA_API ma_peak2_config ma_peak2_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRate, double gainDB, double q, double frequency)
{
ma_peak2_config config;
MA_ZERO_OBJECT(&config);
config.format = format;
config.channels = channels;
config.sampleRate = sampleRate;
config.gainDB = gainDB;
config.q = q;
config.frequency = frequency;
if (config.q == 0) {
config.q = 0.707107;
}
return config;
}
static MA_INLINE ma_biquad_config ma_peak2__get_biquad_config(const ma_peak2_config* pConfig)
{
ma_biquad_config bqConfig;
double q;
double w;
double s;
double c;
double a;
double A;
MA_ASSERT(pConfig != NULL);
q = pConfig->q;
w = 2 * MA_PI_D * pConfig->frequency / pConfig->sampleRate;
s = ma_sind(w);
c = ma_cosd(w);
a = s / (2*q);
A = ma_powd(10, (pConfig->gainDB / 40));
bqConfig.b0 = 1 + (a * A);
bqConfig.b1 = -2 * c;
bqConfig.b2 = 1 - (a * A);
bqConfig.a0 = 1 + (a / A);
bqConfig.a1 = -2 * c;
bqConfig.a2 = 1 - (a / A);
bqConfig.format = pConfig->format;
bqConfig.channels = pConfig->channels;
return bqConfig;
}
MA_API ma_result ma_peak2_get_heap_size(const ma_peak2_config* pConfig, size_t* pHeapSizeInBytes)
{
ma_biquad_config bqConfig;
bqConfig = ma_peak2__get_biquad_config(pConfig);
return ma_biquad_get_heap_size(&bqConfig, pHeapSizeInBytes);
}
MA_API ma_result ma_peak2_init_preallocated(const ma_peak2_config* pConfig, void* pHeap, ma_peak2* pFilter)
{
ma_result result;
ma_biquad_config bqConfig;
if (pFilter == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pFilter);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
bqConfig = ma_peak2__get_biquad_config(pConfig);
result = ma_biquad_init_preallocated(&bqConfig, pHeap, &pFilter->bq);
if (result != MA_SUCCESS) {
return result;
}
return MA_SUCCESS;
}
MA_API ma_result ma_peak2_init(const ma_peak2_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_peak2* pFilter)
{
ma_result result;
size_t heapSizeInBytes;
void* pHeap;
result = ma_peak2_get_heap_size(pConfig, &heapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
if (heapSizeInBytes > 0) {
pHeap = ma_malloc(heapSizeInBytes, pAllocationCallbacks);
if (pHeap == NULL) {
return MA_OUT_OF_MEMORY;
}
} else {
pHeap = NULL;
}
result = ma_peak2_init_preallocated(pConfig, pHeap, pFilter);
if (result != MA_SUCCESS) {
ma_free(pHeap, pAllocationCallbacks);
return result;
}
pFilter->bq._ownsHeap = MA_TRUE;
return MA_SUCCESS;
}
MA_API void ma_peak2_uninit(ma_peak2* pFilter, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pFilter == NULL) {
return;
}
ma_biquad_uninit(&pFilter->bq, pAllocationCallbacks);
}
MA_API ma_result ma_peak2_reinit(const ma_peak2_config* pConfig, ma_peak2* pFilter)
{
ma_result result;
ma_biquad_config bqConfig;
if (pFilter == NULL || pConfig == NULL) {
return MA_INVALID_ARGS;
}
bqConfig = ma_peak2__get_biquad_config(pConfig);
result = ma_biquad_reinit(&bqConfig, &pFilter->bq);
if (result != MA_SUCCESS) {
return result;
}
return MA_SUCCESS;
}
static MA_INLINE void ma_peak2_process_pcm_frame_s16(ma_peak2* pFilter, ma_int16* pFrameOut, const ma_int16* pFrameIn)
{
ma_biquad_process_pcm_frame_s16(&pFilter->bq, pFrameOut, pFrameIn);
}
static MA_INLINE void ma_peak2_process_pcm_frame_f32(ma_peak2* pFilter, float* pFrameOut, const float* pFrameIn)
{
ma_biquad_process_pcm_frame_f32(&pFilter->bq, pFrameOut, pFrameIn);
}
MA_API ma_result ma_peak2_process_pcm_frames(ma_peak2* pFilter, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount)
{
if (pFilter == NULL) {
return MA_INVALID_ARGS;
}
return ma_biquad_process_pcm_frames(&pFilter->bq, pFramesOut, pFramesIn, frameCount);
}
MA_API ma_uint32 ma_peak2_get_latency(const ma_peak2* pFilter)
{
if (pFilter == NULL) {
return 0;
}
return ma_biquad_get_latency(&pFilter->bq);
}
MA_API ma_loshelf2_config ma_loshelf2_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRate, double gainDB, double shelfSlope, double frequency)
{
ma_loshelf2_config config;
MA_ZERO_OBJECT(&config);
config.format = format;
config.channels = channels;
config.sampleRate = sampleRate;
config.gainDB = gainDB;
config.shelfSlope = shelfSlope;
config.frequency = frequency;
return config;
}
static MA_INLINE ma_biquad_config ma_loshelf2__get_biquad_config(const ma_loshelf2_config* pConfig)
{
ma_biquad_config bqConfig;
double w;
double s;
double c;
double A;
double S;
double a;
double sqrtA;
MA_ASSERT(pConfig != NULL);
w = 2 * MA_PI_D * pConfig->frequency / pConfig->sampleRate;
s = ma_sind(w);
c = ma_cosd(w);
A = ma_powd(10, (pConfig->gainDB / 40));
S = pConfig->shelfSlope;
a = s/2 * ma_sqrtd((A + 1/A) * (1/S - 1) + 2);
sqrtA = 2*ma_sqrtd(A)*a;
bqConfig.b0 = A * ((A + 1) - (A - 1)*c + sqrtA);
bqConfig.b1 = 2 * A * ((A - 1) - (A + 1)*c);
bqConfig.b2 = A * ((A + 1) - (A - 1)*c - sqrtA);
bqConfig.a0 = (A + 1) + (A - 1)*c + sqrtA;
bqConfig.a1 = -2 * ((A - 1) + (A + 1)*c);
bqConfig.a2 = (A + 1) + (A - 1)*c - sqrtA;
bqConfig.format = pConfig->format;
bqConfig.channels = pConfig->channels;
return bqConfig;
}
MA_API ma_result ma_loshelf2_get_heap_size(const ma_loshelf2_config* pConfig, size_t* pHeapSizeInBytes)
{
ma_biquad_config bqConfig;
bqConfig = ma_loshelf2__get_biquad_config(pConfig);
return ma_biquad_get_heap_size(&bqConfig, pHeapSizeInBytes);
}
MA_API ma_result ma_loshelf2_init_preallocated(const ma_loshelf2_config* pConfig, void* pHeap, ma_loshelf2* pFilter)
{
ma_result result;
ma_biquad_config bqConfig;
if (pFilter == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pFilter);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
bqConfig = ma_loshelf2__get_biquad_config(pConfig);
result = ma_biquad_init_preallocated(&bqConfig, pHeap, &pFilter->bq);
if (result != MA_SUCCESS) {
return result;
}
return MA_SUCCESS;
}
MA_API ma_result ma_loshelf2_init(const ma_loshelf2_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_loshelf2* pFilter)
{
ma_result result;
size_t heapSizeInBytes;
void* pHeap;
result = ma_loshelf2_get_heap_size(pConfig, &heapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
if (heapSizeInBytes > 0) {
pHeap = ma_malloc(heapSizeInBytes, pAllocationCallbacks);
if (pHeap == NULL) {
return MA_OUT_OF_MEMORY;
}
} else {
pHeap = NULL;
}
result = ma_loshelf2_init_preallocated(pConfig, pHeap, pFilter);
if (result != MA_SUCCESS) {
ma_free(pHeap, pAllocationCallbacks);
return result;
}
pFilter->bq._ownsHeap = MA_TRUE;
return MA_SUCCESS;
}
MA_API void ma_loshelf2_uninit(ma_loshelf2* pFilter, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pFilter == NULL) {
return;
}
ma_biquad_uninit(&pFilter->bq, pAllocationCallbacks);
}
MA_API ma_result ma_loshelf2_reinit(const ma_loshelf2_config* pConfig, ma_loshelf2* pFilter)
{
ma_result result;
ma_biquad_config bqConfig;
if (pFilter == NULL || pConfig == NULL) {
return MA_INVALID_ARGS;
}
bqConfig = ma_loshelf2__get_biquad_config(pConfig);
result = ma_biquad_reinit(&bqConfig, &pFilter->bq);
if (result != MA_SUCCESS) {
return result;
}
return MA_SUCCESS;
}
static MA_INLINE void ma_loshelf2_process_pcm_frame_s16(ma_loshelf2* pFilter, ma_int16* pFrameOut, const ma_int16* pFrameIn)
{
ma_biquad_process_pcm_frame_s16(&pFilter->bq, pFrameOut, pFrameIn);
}
static MA_INLINE void ma_loshelf2_process_pcm_frame_f32(ma_loshelf2* pFilter, float* pFrameOut, const float* pFrameIn)
{
ma_biquad_process_pcm_frame_f32(&pFilter->bq, pFrameOut, pFrameIn);
}
MA_API ma_result ma_loshelf2_process_pcm_frames(ma_loshelf2* pFilter, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount)
{
if (pFilter == NULL) {
return MA_INVALID_ARGS;
}
return ma_biquad_process_pcm_frames(&pFilter->bq, pFramesOut, pFramesIn, frameCount);
}
MA_API ma_uint32 ma_loshelf2_get_latency(const ma_loshelf2* pFilter)
{
if (pFilter == NULL) {
return 0;
}
return ma_biquad_get_latency(&pFilter->bq);
}
MA_API ma_hishelf2_config ma_hishelf2_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRate, double gainDB, double shelfSlope, double frequency)
{
ma_hishelf2_config config;
MA_ZERO_OBJECT(&config);
config.format = format;
config.channels = channels;
config.sampleRate = sampleRate;
config.gainDB = gainDB;
config.shelfSlope = shelfSlope;
config.frequency = frequency;
return config;
}
static MA_INLINE ma_biquad_config ma_hishelf2__get_biquad_config(const ma_hishelf2_config* pConfig)
{
ma_biquad_config bqConfig;
double w;
double s;
double c;
double A;
double S;
double a;
double sqrtA;
MA_ASSERT(pConfig != NULL);
w = 2 * MA_PI_D * pConfig->frequency / pConfig->sampleRate;
s = ma_sind(w);
c = ma_cosd(w);
A = ma_powd(10, (pConfig->gainDB / 40));
S = pConfig->shelfSlope;
a = s/2 * ma_sqrtd((A + 1/A) * (1/S - 1) + 2);
sqrtA = 2*ma_sqrtd(A)*a;
bqConfig.b0 = A * ((A + 1) + (A - 1)*c + sqrtA);
bqConfig.b1 = -2 * A * ((A - 1) + (A + 1)*c);
bqConfig.b2 = A * ((A + 1) + (A - 1)*c - sqrtA);
bqConfig.a0 = (A + 1) - (A - 1)*c + sqrtA;
bqConfig.a1 = 2 * ((A - 1) - (A + 1)*c);
bqConfig.a2 = (A + 1) - (A - 1)*c - sqrtA;
bqConfig.format = pConfig->format;
bqConfig.channels = pConfig->channels;
return bqConfig;
}
MA_API ma_result ma_hishelf2_get_heap_size(const ma_hishelf2_config* pConfig, size_t* pHeapSizeInBytes)
{
ma_biquad_config bqConfig;
bqConfig = ma_hishelf2__get_biquad_config(pConfig);
return ma_biquad_get_heap_size(&bqConfig, pHeapSizeInBytes);
}
MA_API ma_result ma_hishelf2_init_preallocated(const ma_hishelf2_config* pConfig, void* pHeap, ma_hishelf2* pFilter)
{
ma_result result;
ma_biquad_config bqConfig;
if (pFilter == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pFilter);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
bqConfig = ma_hishelf2__get_biquad_config(pConfig);
result = ma_biquad_init_preallocated(&bqConfig, pHeap, &pFilter->bq);
if (result != MA_SUCCESS) {
return result;
}
return MA_SUCCESS;
}
MA_API ma_result ma_hishelf2_init(const ma_hishelf2_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_hishelf2* pFilter)
{
ma_result result;
size_t heapSizeInBytes;
void* pHeap;
result = ma_hishelf2_get_heap_size(pConfig, &heapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
if (heapSizeInBytes > 0) {
pHeap = ma_malloc(heapSizeInBytes, pAllocationCallbacks);
if (pHeap == NULL) {
return MA_OUT_OF_MEMORY;
}
} else {
pHeap = NULL;
}
result = ma_hishelf2_init_preallocated(pConfig, pHeap, pFilter);
if (result != MA_SUCCESS) {
ma_free(pHeap, pAllocationCallbacks);
return result;
}
pFilter->bq._ownsHeap = MA_TRUE;
return MA_SUCCESS;
}
MA_API void ma_hishelf2_uninit(ma_hishelf2* pFilter, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pFilter == NULL) {
return;
}
ma_biquad_uninit(&pFilter->bq, pAllocationCallbacks);
}
MA_API ma_result ma_hishelf2_reinit(const ma_hishelf2_config* pConfig, ma_hishelf2* pFilter)
{
ma_result result;
ma_biquad_config bqConfig;
if (pFilter == NULL || pConfig == NULL) {
return MA_INVALID_ARGS;
}
bqConfig = ma_hishelf2__get_biquad_config(pConfig);
result = ma_biquad_reinit(&bqConfig, &pFilter->bq);
if (result != MA_SUCCESS) {
return result;
}
return MA_SUCCESS;
}
static MA_INLINE void ma_hishelf2_process_pcm_frame_s16(ma_hishelf2* pFilter, ma_int16* pFrameOut, const ma_int16* pFrameIn)
{
ma_biquad_process_pcm_frame_s16(&pFilter->bq, pFrameOut, pFrameIn);
}
static MA_INLINE void ma_hishelf2_process_pcm_frame_f32(ma_hishelf2* pFilter, float* pFrameOut, const float* pFrameIn)
{
ma_biquad_process_pcm_frame_f32(&pFilter->bq, pFrameOut, pFrameIn);
}
MA_API ma_result ma_hishelf2_process_pcm_frames(ma_hishelf2* pFilter, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount)
{
if (pFilter == NULL) {
return MA_INVALID_ARGS;
}
return ma_biquad_process_pcm_frames(&pFilter->bq, pFramesOut, pFramesIn, frameCount);
}
MA_API ma_uint32 ma_hishelf2_get_latency(const ma_hishelf2* pFilter)
{
if (pFilter == NULL) {
return 0;
}
return ma_biquad_get_latency(&pFilter->bq);
}
MA_API ma_delay_config ma_delay_config_init(ma_uint32 channels, ma_uint32 sampleRate, ma_uint32 delayInFrames, float decay)
{
ma_delay_config config;
MA_ZERO_OBJECT(&config);
config.channels = channels;
config.sampleRate = sampleRate;
config.delayInFrames = delayInFrames;
config.delayStart = (decay == 0) ? MA_TRUE : MA_FALSE;
config.wet = 1;
config.dry = 1;
config.decay = decay;
return config;
}
MA_API ma_result ma_delay_init(const ma_delay_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_delay* pDelay)
{
if (pDelay == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pDelay);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->decay < 0 || pConfig->decay > 1) {
return MA_INVALID_ARGS;
}
pDelay->config = *pConfig;
pDelay->bufferSizeInFrames = pConfig->delayInFrames;
pDelay->cursor = 0;
pDelay->pBuffer = (float*)ma_malloc((size_t)(pDelay->bufferSizeInFrames * ma_get_bytes_per_frame(ma_format_f32, pConfig->channels)), pAllocationCallbacks);
if (pDelay->pBuffer == NULL) {
return MA_OUT_OF_MEMORY;
}
ma_silence_pcm_frames(pDelay->pBuffer, pDelay->bufferSizeInFrames, ma_format_f32, pConfig->channels);
return MA_SUCCESS;
}
MA_API void ma_delay_uninit(ma_delay* pDelay, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pDelay == NULL) {
return;
}
ma_free(pDelay->pBuffer, pAllocationCallbacks);
}
MA_API ma_result ma_delay_process_pcm_frames(ma_delay* pDelay, void* pFramesOut, const void* pFramesIn, ma_uint32 frameCount)
{
ma_uint32 iFrame;
ma_uint32 iChannel;
float* pFramesOutF32 = (float*)pFramesOut;
const float* pFramesInF32 = (const float*)pFramesIn;
if (pDelay == NULL || pFramesOut == NULL || pFramesIn == NULL) {
return MA_INVALID_ARGS;
}
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
for (iChannel = 0; iChannel < pDelay->config.channels; iChannel += 1) {
ma_uint32 iBuffer = (pDelay->cursor * pDelay->config.channels) + iChannel;
if (pDelay->config.delayStart) {
pFramesOutF32[iChannel] = pDelay->pBuffer[iBuffer] * pDelay->config.wet;
pDelay->pBuffer[iBuffer] = (pDelay->pBuffer[iBuffer] * pDelay->config.decay) + (pFramesInF32[iChannel] * pDelay->config.dry);
} else {
pDelay->pBuffer[iBuffer] = (pDelay->pBuffer[iBuffer] * pDelay->config.decay) + (pFramesInF32[iChannel] * pDelay->config.dry);
pFramesOutF32[iChannel] = pDelay->pBuffer[iBuffer] * pDelay->config.wet;
}
}
pDelay->cursor = (pDelay->cursor + 1) % pDelay->bufferSizeInFrames;
pFramesOutF32 += pDelay->config.channels;
pFramesInF32 += pDelay->config.channels;
}
return MA_SUCCESS;
}
MA_API void ma_delay_set_wet(ma_delay* pDelay, float value)
{
if (pDelay == NULL) {
return;
}
pDelay->config.wet = value;
}
MA_API float ma_delay_get_wet(const ma_delay* pDelay)
{
if (pDelay == NULL) {
return 0;
}
return pDelay->config.wet;
}
MA_API void ma_delay_set_dry(ma_delay* pDelay, float value)
{
if (pDelay == NULL) {
return;
}
pDelay->config.dry = value;
}
MA_API float ma_delay_get_dry(const ma_delay* pDelay)
{
if (pDelay == NULL) {
return 0;
}
return pDelay->config.dry;
}
MA_API void ma_delay_set_decay(ma_delay* pDelay, float value)
{
if (pDelay == NULL) {
return;
}
pDelay->config.decay = value;
}
MA_API float ma_delay_get_decay(const ma_delay* pDelay)
{
if (pDelay == NULL) {
return 0;
}
return pDelay->config.decay;
}
MA_API ma_gainer_config ma_gainer_config_init(ma_uint32 channels, ma_uint32 smoothTimeInFrames)
{
ma_gainer_config config;
MA_ZERO_OBJECT(&config);
config.channels = channels;
config.smoothTimeInFrames = smoothTimeInFrames;
return config;
}
typedef struct
{
size_t sizeInBytes;
size_t oldGainsOffset;
size_t newGainsOffset;
} ma_gainer_heap_layout;
static ma_result ma_gainer_get_heap_layout(const ma_gainer_config* pConfig, ma_gainer_heap_layout* pHeapLayout)
{
MA_ASSERT(pHeapLayout != NULL);
MA_ZERO_OBJECT(pHeapLayout);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->channels == 0) {
return MA_INVALID_ARGS;
}
pHeapLayout->sizeInBytes = 0;
pHeapLayout->oldGainsOffset = pHeapLayout->sizeInBytes;
pHeapLayout->sizeInBytes += sizeof(float) * pConfig->channels;
pHeapLayout->newGainsOffset = pHeapLayout->sizeInBytes;
pHeapLayout->sizeInBytes += sizeof(float) * pConfig->channels;
pHeapLayout->sizeInBytes = ma_align_64(pHeapLayout->sizeInBytes);
return MA_SUCCESS;
}
MA_API ma_result ma_gainer_get_heap_size(const ma_gainer_config* pConfig, size_t* pHeapSizeInBytes)
{
ma_result result;
ma_gainer_heap_layout heapLayout;
if (pHeapSizeInBytes == NULL) {
return MA_INVALID_ARGS;
}
*pHeapSizeInBytes = 0;
result = ma_gainer_get_heap_layout(pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return MA_INVALID_ARGS;
}
*pHeapSizeInBytes = heapLayout.sizeInBytes;
return MA_SUCCESS;
}
MA_API ma_result ma_gainer_init_preallocated(const ma_gainer_config* pConfig, void* pHeap, ma_gainer* pGainer)
{
ma_result result;
ma_gainer_heap_layout heapLayout;
ma_uint32 iChannel;
if (pGainer == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pGainer);
if (pConfig == NULL || pHeap == NULL) {
return MA_INVALID_ARGS;
}
result = ma_gainer_get_heap_layout(pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return result;
}
pGainer->_pHeap = pHeap;
MA_ZERO_MEMORY(pHeap, heapLayout.sizeInBytes);
pGainer->pOldGains = (float*)ma_offset_ptr(pHeap, heapLayout.oldGainsOffset);
pGainer->pNewGains = (float*)ma_offset_ptr(pHeap, heapLayout.newGainsOffset);
pGainer->masterVolume = 1;
pGainer->config = *pConfig;
pGainer->t = (ma_uint32)-1;
for (iChannel = 0; iChannel < pConfig->channels; iChannel += 1) {
pGainer->pOldGains[iChannel] = 1;
pGainer->pNewGains[iChannel] = 1;
}
return MA_SUCCESS;
}
MA_API ma_result ma_gainer_init(const ma_gainer_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_gainer* pGainer)
{
ma_result result;
size_t heapSizeInBytes;
void* pHeap;
result = ma_gainer_get_heap_size(pConfig, &heapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
if (heapSizeInBytes > 0) {
pHeap = ma_malloc(heapSizeInBytes, pAllocationCallbacks);
if (pHeap == NULL) {
return MA_OUT_OF_MEMORY;
}
} else {
pHeap = NULL;
}
result = ma_gainer_init_preallocated(pConfig, pHeap, pGainer);
if (result != MA_SUCCESS) {
ma_free(pHeap, pAllocationCallbacks);
return result;
}
pGainer->_ownsHeap = MA_TRUE;
return MA_SUCCESS;
}
MA_API void ma_gainer_uninit(ma_gainer* pGainer, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pGainer == NULL) {
return;
}
if (pGainer->_ownsHeap) {
ma_free(pGainer->_pHeap, pAllocationCallbacks);
}
}
static float ma_gainer_calculate_current_gain(const ma_gainer* pGainer, ma_uint32 channel)
{
float a = (float)pGainer->t / pGainer->config.smoothTimeInFrames;
return ma_mix_f32_fast(pGainer->pOldGains[channel], pGainer->pNewGains[channel], a);
}
static ma_result ma_gainer_process_pcm_frames_internal(ma_gainer * pGainer, void* MA_RESTRICT pFramesOut, const void* MA_RESTRICT pFramesIn, ma_uint64 frameCount)
{
ma_uint64 iFrame;
ma_uint32 iChannel;
ma_uint64 interpolatedFrameCount;
MA_ASSERT(pGainer != NULL);
if (pGainer->t >= pGainer->config.smoothTimeInFrames) {
interpolatedFrameCount = 0;
} else {
interpolatedFrameCount = pGainer->t - pGainer->config.smoothTimeInFrames;
if (interpolatedFrameCount > frameCount) {
interpolatedFrameCount = frameCount;
}
}
if (interpolatedFrameCount > 0) {
if (pFramesOut != NULL && pFramesIn != NULL) {
float* pFramesOutF32 = (float*)pFramesOut;
const float* pFramesInF32 = (const float*)pFramesIn;
float a = (float)pGainer->t / pGainer->config.smoothTimeInFrames;
float d = 1.0f / pGainer->config.smoothTimeInFrames;
if (pGainer->config.channels <= 32) {
float pRunningGain[32];
float pRunningGainDelta[32];
for (iChannel = 0; iChannel < pGainer->config.channels; iChannel += 1) {
float t = (pGainer->pNewGains[iChannel] - pGainer->pOldGains[iChannel]) * pGainer->masterVolume;
pRunningGainDelta[iChannel] = t * d;
pRunningGain[iChannel] = (pGainer->pOldGains[iChannel] * pGainer->masterVolume) + (t * a);
}
iFrame = 0;
if (pGainer->config.channels == 2) {
#if defined(MA_SUPPORT_SSE2)
if (ma_has_sse2()) {
ma_uint64 unrolledLoopCount = interpolatedFrameCount >> 1;
__m128 runningGainDelta0 = _mm_set_ps(pRunningGainDelta[1], pRunningGainDelta[0], pRunningGainDelta[1], pRunningGainDelta[0]);
__m128 runningGain0 = _mm_set_ps(pRunningGain[1] + pRunningGainDelta[1], pRunningGain[0] + pRunningGainDelta[0], pRunningGain[1], pRunningGain[0]);
for (; iFrame < unrolledLoopCount; iFrame += 1) {
_mm_storeu_ps(&pFramesOutF32[iFrame*4 + 0], _mm_mul_ps(_mm_loadu_ps(&pFramesInF32[iFrame*4 + 0]), runningGain0));
runningGain0 = _mm_add_ps(runningGain0, runningGainDelta0);
}
iFrame = unrolledLoopCount << 1;
} else
#endif
{
#if defined(_MSC_VER) && !defined(__clang__)
ma_uint64 unrolledLoopCount = interpolatedFrameCount >> 1;
pRunningGainDelta[2] = pRunningGainDelta[0];
pRunningGainDelta[3] = pRunningGainDelta[1];
pRunningGain[2] = pRunningGain[0] + pRunningGainDelta[0];
pRunningGain[3] = pRunningGain[1] + pRunningGainDelta[1];
for (; iFrame < unrolledLoopCount; iFrame += 1) {
pFramesOutF32[iFrame*4 + 0] = pFramesInF32[iFrame*4 + 0] * pRunningGain[0];
pFramesOutF32[iFrame*4 + 1] = pFramesInF32[iFrame*4 + 1] * pRunningGain[1];
pFramesOutF32[iFrame*4 + 2] = pFramesInF32[iFrame*4 + 2] * pRunningGain[2];
pFramesOutF32[iFrame*4 + 3] = pFramesInF32[iFrame*4 + 3] * pRunningGain[3];
pRunningGain[0] += pRunningGainDelta[0];
pRunningGain[1] += pRunningGainDelta[1];
pRunningGain[2] += pRunningGainDelta[2];
pRunningGain[3] += pRunningGainDelta[3];
}
iFrame = unrolledLoopCount << 1;
#else
for (; iFrame < interpolatedFrameCount; iFrame += 1) {
for (iChannel = 0; iChannel < 2; iChannel += 1) {
pFramesOutF32[iFrame*2 + iChannel] = pFramesInF32[iFrame*2 + iChannel] * pRunningGain[iChannel];
}
for (iChannel = 0; iChannel < 2; iChannel += 1) {
pRunningGain[iChannel] += pRunningGainDelta[iChannel];
}
}
#endif
}
} else if (pGainer->config.channels == 6) {
#if defined(MA_SUPPORT_SSE2)
if (ma_has_sse2()) {
ma_uint64 unrolledLoopCount = interpolatedFrameCount >> 1;
__m128 runningGainDelta0 = _mm_set_ps(pRunningGainDelta[3], pRunningGainDelta[2], pRunningGainDelta[1], pRunningGainDelta[0]);
__m128 runningGainDelta1 = _mm_set_ps(pRunningGainDelta[1], pRunningGainDelta[0], pRunningGainDelta[5], pRunningGainDelta[4]);
__m128 runningGainDelta2 = _mm_set_ps(pRunningGainDelta[5], pRunningGainDelta[4], pRunningGainDelta[3], pRunningGainDelta[2]);
__m128 runningGain0 = _mm_set_ps(pRunningGain[3], pRunningGain[2], pRunningGain[1], pRunningGain[0]);
__m128 runningGain1 = _mm_set_ps(pRunningGain[1] + pRunningGainDelta[1], pRunningGain[0] + pRunningGainDelta[0], pRunningGain[5], pRunningGain[4]);
__m128 runningGain2 = _mm_set_ps(pRunningGain[5] + pRunningGainDelta[5], pRunningGain[4] + pRunningGainDelta[4], pRunningGain[3] + pRunningGainDelta[3], pRunningGain[2] + pRunningGainDelta[2]);
for (; iFrame < unrolledLoopCount; iFrame += 1) {
_mm_storeu_ps(&pFramesOutF32[iFrame*12 + 0], _mm_mul_ps(_mm_loadu_ps(&pFramesInF32[iFrame*12 + 0]), runningGain0));
_mm_storeu_ps(&pFramesOutF32[iFrame*12 + 4], _mm_mul_ps(_mm_loadu_ps(&pFramesInF32[iFrame*12 + 4]), runningGain1));
_mm_storeu_ps(&pFramesOutF32[iFrame*12 + 8], _mm_mul_ps(_mm_loadu_ps(&pFramesInF32[iFrame*12 + 8]), runningGain2));
runningGain0 = _mm_add_ps(runningGain0, runningGainDelta0);
runningGain1 = _mm_add_ps(runningGain1, runningGainDelta1);
runningGain2 = _mm_add_ps(runningGain2, runningGainDelta2);
}
iFrame = unrolledLoopCount << 1;
} else
#endif
{
for (; iFrame < interpolatedFrameCount; iFrame += 1) {
for (iChannel = 0; iChannel < 6; iChannel += 1) {
pFramesOutF32[iFrame*6 + iChannel] = pFramesInF32[iFrame*6 + iChannel] * pRunningGain[iChannel];
}
for (iChannel = 0; iChannel < 6; iChannel += 1) {
pRunningGain[iChannel] += pRunningGainDelta[iChannel];
}
}
}
} else if (pGainer->config.channels == 8) {
#if defined(MA_SUPPORT_SSE2)
if (ma_has_sse2()) {
__m128 runningGainDelta0 = _mm_loadu_ps(&pRunningGainDelta[0]);
__m128 runningGainDelta1 = _mm_loadu_ps(&pRunningGainDelta[4]);
__m128 runningGain0 = _mm_loadu_ps(&pRunningGain[0]);
__m128 runningGain1 = _mm_loadu_ps(&pRunningGain[4]);
for (; iFrame < interpolatedFrameCount; iFrame += 1) {
_mm_storeu_ps(&pFramesOutF32[iFrame*8 + 0], _mm_mul_ps(_mm_loadu_ps(&pFramesInF32[iFrame*8 + 0]), runningGain0));
_mm_storeu_ps(&pFramesOutF32[iFrame*8 + 4], _mm_mul_ps(_mm_loadu_ps(&pFramesInF32[iFrame*8 + 4]), runningGain1));
runningGain0 = _mm_add_ps(runningGain0, runningGainDelta0);
runningGain1 = _mm_add_ps(runningGain1, runningGainDelta1);
}
} else
#endif
{
for (; iFrame < interpolatedFrameCount; iFrame += 1) {
for (iChannel = 0; iChannel < 8; iChannel += 1) {
pFramesOutF32[iFrame*8 + iChannel] = pFramesInF32[iFrame*8 + iChannel] * pRunningGain[iChannel];
}
for (iChannel = 0; iChannel < 8; iChannel += 1) {
pRunningGain[iChannel] += pRunningGainDelta[iChannel];
}
}
}
}
for (; iFrame < interpolatedFrameCount; iFrame += 1) {
for (iChannel = 0; iChannel < pGainer->config.channels; iChannel += 1) {
pFramesOutF32[iFrame*pGainer->config.channels + iChannel] = pFramesInF32[iFrame*pGainer->config.channels + iChannel] * pRunningGain[iChannel];
pRunningGain[iChannel] += pRunningGainDelta[iChannel];
}
}
} else {
for (iFrame = 0; iFrame < interpolatedFrameCount; iFrame += 1) {
for (iChannel = 0; iChannel < pGainer->config.channels; iChannel += 1) {
pFramesOutF32[iFrame*pGainer->config.channels + iChannel] = pFramesInF32[iFrame*pGainer->config.channels + iChannel] * ma_mix_f32_fast(pGainer->pOldGains[iChannel], pGainer->pNewGains[iChannel], a) * pGainer->masterVolume;
}
a += d;
}
}
pFramesOut = ma_offset_ptr(pFramesOut, interpolatedFrameCount * sizeof(float));
pFramesIn = ma_offset_ptr(pFramesIn, interpolatedFrameCount * sizeof(float));
}
frameCount -= interpolatedFrameCount;
pGainer->t = (ma_uint32)ma_min(pGainer->t + interpolatedFrameCount, pGainer->config.smoothTimeInFrames);
}
if (pFramesOut != NULL && pFramesIn != NULL) {
if (pGainer->config.channels <= 32) {
float gains[32];
for (iChannel = 0; iChannel < pGainer->config.channels; iChannel += 1) {
gains[iChannel] = pGainer->pNewGains[iChannel] * pGainer->masterVolume;
}
ma_copy_and_apply_volume_factor_per_channel_f32((float*)pFramesOut, (const float*)pFramesIn, frameCount, pGainer->config.channels, gains);
} else {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
for (iChannel = 0; iChannel < pGainer->config.channels; iChannel += 1) {
((float*)pFramesOut)[iFrame*pGainer->config.channels + iChannel] = ((const float*)pFramesIn)[iFrame*pGainer->config.channels + iChannel] * pGainer->pNewGains[iChannel] * pGainer->masterVolume;
}
}
}
}
if (pGainer->t == (ma_uint32)-1) {
pGainer->t = (ma_uint32)ma_min(pGainer->config.smoothTimeInFrames, frameCount);
}
#if 0
if (pGainer->t >= pGainer->config.smoothTimeInFrames) {
ma_copy_and_apply_volume_factor_per_channel_f32(pFramesOutF32, pFramesInF32, frameCount, pGainer->config.channels, pGainer->pNewGains);
ma_apply_volume_factor_f32(pFramesOutF32, frameCount * pGainer->config.channels, pGainer->masterVolume);
if (pGainer->t == (ma_uint32)-1) {
pGainer->t = pGainer->config.smoothTimeInFrames;
}
} else {
if (pFramesOut != NULL && pFramesIn != NULL) {
float a = (float)pGainer->t / pGainer->config.smoothTimeInFrames;
float d = 1.0f / pGainer->config.smoothTimeInFrames;
ma_uint32 channelCount = pGainer->config.channels;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
for (iChannel = 0; iChannel < channelCount; iChannel += 1) {
pFramesOutF32[iChannel] = pFramesInF32[iChannel] * ma_mix_f32_fast(pGainer->pOldGains[iChannel], pGainer->pNewGains[iChannel], a) * pGainer->masterVolume;
}
pFramesOutF32 += channelCount;
pFramesInF32 += channelCount;
a += d;
if (a > 1) {
a = 1;
}
}
}
pGainer->t = (ma_uint32)ma_min(pGainer->t + frameCount, pGainer->config.smoothTimeInFrames);
#if 0
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
if (pFramesOut != NULL && pFramesIn != NULL) {
for (iChannel = 0; iChannel < pGainer->config.channels; iChannel += 1) {
pFramesOutF32[iFrame * pGainer->config.channels + iChannel] = pFramesInF32[iFrame * pGainer->config.channels + iChannel] * ma_gainer_calculate_current_gain(pGainer, iChannel) * pGainer->masterVolume;
}
}
pGainer->t = ma_min(pGainer->t + 1, pGainer->config.smoothTimeInFrames);
}
#endif
}
#endif
return MA_SUCCESS;
}
MA_API ma_result ma_gainer_process_pcm_frames(ma_gainer* pGainer, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount)
{
if (pGainer == NULL) {
return MA_INVALID_ARGS;
}
return ma_gainer_process_pcm_frames_internal(pGainer, pFramesOut, pFramesIn, frameCount);
}
static void ma_gainer_set_gain_by_index(ma_gainer* pGainer, float newGain, ma_uint32 iChannel)
{
pGainer->pOldGains[iChannel] = ma_gainer_calculate_current_gain(pGainer, iChannel);
pGainer->pNewGains[iChannel] = newGain;
}
static void ma_gainer_reset_smoothing_time(ma_gainer* pGainer)
{
if (pGainer->t == (ma_uint32)-1) {
pGainer->t = pGainer->config.smoothTimeInFrames;
} else {
pGainer->t = 0;
}
}
MA_API ma_result ma_gainer_set_gain(ma_gainer* pGainer, float newGain)
{
ma_uint32 iChannel;
if (pGainer == NULL) {
return MA_INVALID_ARGS;
}
for (iChannel = 0; iChannel < pGainer->config.channels; iChannel += 1) {
ma_gainer_set_gain_by_index(pGainer, newGain, iChannel);
}
ma_gainer_reset_smoothing_time(pGainer);
return MA_SUCCESS;
}
MA_API ma_result ma_gainer_set_gains(ma_gainer* pGainer, float* pNewGains)
{
ma_uint32 iChannel;
if (pGainer == NULL || pNewGains == NULL) {
return MA_INVALID_ARGS;
}
for (iChannel = 0; iChannel < pGainer->config.channels; iChannel += 1) {
ma_gainer_set_gain_by_index(pGainer, pNewGains[iChannel], iChannel);
}
ma_gainer_reset_smoothing_time(pGainer);
return MA_SUCCESS;
}
MA_API ma_result ma_gainer_set_master_volume(ma_gainer* pGainer, float volume)
{
if (pGainer == NULL) {
return MA_INVALID_ARGS;
}
pGainer->masterVolume = volume;
return MA_SUCCESS;
}
MA_API ma_result ma_gainer_get_master_volume(const ma_gainer* pGainer, float* pVolume)
{
if (pGainer == NULL || pVolume == NULL) {
return MA_INVALID_ARGS;
}
*pVolume = pGainer->masterVolume;
return MA_SUCCESS;
}
MA_API ma_panner_config ma_panner_config_init(ma_format format, ma_uint32 channels)
{
ma_panner_config config;
MA_ZERO_OBJECT(&config);
config.format = format;
config.channels = channels;
config.mode = ma_pan_mode_balance;
config.pan = 0;
return config;
}
MA_API ma_result ma_panner_init(const ma_panner_config* pConfig, ma_panner* pPanner)
{
if (pPanner == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pPanner);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
pPanner->format = pConfig->format;
pPanner->channels = pConfig->channels;
pPanner->mode = pConfig->mode;
pPanner->pan = pConfig->pan;
return MA_SUCCESS;
}
static void ma_stereo_balance_pcm_frames_f32(float* pFramesOut, const float* pFramesIn, ma_uint64 frameCount, float pan)
{
ma_uint64 iFrame;
if (pan > 0) {
float factor = 1.0f - pan;
if (pFramesOut == pFramesIn) {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
pFramesOut[iFrame*2 + 0] = pFramesIn[iFrame*2 + 0] * factor;
}
} else {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
pFramesOut[iFrame*2 + 0] = pFramesIn[iFrame*2 + 0] * factor;
pFramesOut[iFrame*2 + 1] = pFramesIn[iFrame*2 + 1];
}
}
} else {
float factor = 1.0f + pan;
if (pFramesOut == pFramesIn) {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
pFramesOut[iFrame*2 + 1] = pFramesIn[iFrame*2 + 1] * factor;
}
} else {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
pFramesOut[iFrame*2 + 0] = pFramesIn[iFrame*2 + 0];
pFramesOut[iFrame*2 + 1] = pFramesIn[iFrame*2 + 1] * factor;
}
}
}
}
static void ma_stereo_balance_pcm_frames(void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount, ma_format format, float pan)
{
if (pan == 0) {
if (pFramesOut == pFramesIn) {
} else {
ma_copy_pcm_frames(pFramesOut, pFramesIn, frameCount, format, 2);
}
return;
}
switch (format) {
case ma_format_f32: ma_stereo_balance_pcm_frames_f32((float*)pFramesOut, (float*)pFramesIn, frameCount, pan); break;
default:
{
ma_copy_pcm_frames(pFramesOut, pFramesIn, frameCount, format, 2);
} break;
}
}
static void ma_stereo_pan_pcm_frames_f32(float* pFramesOut, const float* pFramesIn, ma_uint64 frameCount, float pan)
{
ma_uint64 iFrame;
if (pan > 0) {
float factorL0 = 1.0f - pan;
float factorL1 = 0.0f + pan;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
float sample0 = (pFramesIn[iFrame*2 + 0] * factorL0);
float sample1 = (pFramesIn[iFrame*2 + 0] * factorL1) + pFramesIn[iFrame*2 + 1];
pFramesOut[iFrame*2 + 0] = sample0;
pFramesOut[iFrame*2 + 1] = sample1;
}
} else {
float factorR0 = 0.0f - pan;
float factorR1 = 1.0f + pan;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
float sample0 = pFramesIn[iFrame*2 + 0] + (pFramesIn[iFrame*2 + 1] * factorR0);
float sample1 = (pFramesIn[iFrame*2 + 1] * factorR1);
pFramesOut[iFrame*2 + 0] = sample0;
pFramesOut[iFrame*2 + 1] = sample1;
}
}
}
static void ma_stereo_pan_pcm_frames(void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount, ma_format format, float pan)
{
if (pan == 0) {
if (pFramesOut == pFramesIn) {
} else {
ma_copy_pcm_frames(pFramesOut, pFramesIn, frameCount, format, 2);
}
return;
}
switch (format) {
case ma_format_f32: ma_stereo_pan_pcm_frames_f32((float*)pFramesOut, (float*)pFramesIn, frameCount, pan); break;
default:
{
ma_copy_pcm_frames(pFramesOut, pFramesIn, frameCount, format, 2);
} break;
}
}
MA_API ma_result ma_panner_process_pcm_frames(ma_panner* pPanner, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount)
{
if (pPanner == NULL || pFramesOut == NULL || pFramesIn == NULL) {
return MA_INVALID_ARGS;
}
if (pPanner->channels == 2) {
if (pPanner->mode == ma_pan_mode_balance) {
ma_stereo_balance_pcm_frames(pFramesOut, pFramesIn, frameCount, pPanner->format, pPanner->pan);
} else {
ma_stereo_pan_pcm_frames(pFramesOut, pFramesIn, frameCount, pPanner->format, pPanner->pan);
}
} else {
if (pPanner->channels == 1) {
ma_copy_pcm_frames(pFramesOut, pFramesIn, frameCount, pPanner->format, pPanner->channels);
} else {
ma_copy_pcm_frames(pFramesOut, pFramesIn, frameCount, pPanner->format, pPanner->channels);
}
}
return MA_SUCCESS;
}
MA_API void ma_panner_set_mode(ma_panner* pPanner, ma_pan_mode mode)
{
if (pPanner == NULL) {
return;
}
pPanner->mode = mode;
}
MA_API ma_pan_mode ma_panner_get_mode(const ma_panner* pPanner)
{
if (pPanner == NULL) {
return ma_pan_mode_balance;
}
return pPanner->mode;
}
MA_API void ma_panner_set_pan(ma_panner* pPanner, float pan)
{
if (pPanner == NULL) {
return;
}
pPanner->pan = ma_clamp(pan, -1.0f, 1.0f);
}
MA_API float ma_panner_get_pan(const ma_panner* pPanner)
{
if (pPanner == NULL) {
return 0;
}
return pPanner->pan;
}
MA_API ma_fader_config ma_fader_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRate)
{
ma_fader_config config;
MA_ZERO_OBJECT(&config);
config.format = format;
config.channels = channels;
config.sampleRate = sampleRate;
return config;
}
MA_API ma_result ma_fader_init(const ma_fader_config* pConfig, ma_fader* pFader)
{
if (pFader == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pFader);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->format != ma_format_f32) {
return MA_INVALID_ARGS;
}
pFader->config = *pConfig;
pFader->volumeBeg = 1;
pFader->volumeEnd = 1;
pFader->lengthInFrames = 0;
pFader->cursorInFrames = 0;
return MA_SUCCESS;
}
MA_API ma_result ma_fader_process_pcm_frames(ma_fader* pFader, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount)
{
if (pFader == NULL) {
return MA_INVALID_ARGS;
}
if (pFader->cursorInFrames < 0) {
ma_uint64 absCursorInFrames = (ma_uint64)0 - pFader->cursorInFrames;
if (absCursorInFrames > frameCount) {
absCursorInFrames = frameCount;
}
ma_copy_pcm_frames(pFramesOut, pFramesIn, absCursorInFrames, pFader->config.format, pFader->config.channels);
pFader->cursorInFrames += absCursorInFrames;
frameCount -= absCursorInFrames;
pFramesOut = ma_offset_ptr(pFramesOut, ma_get_bytes_per_frame(pFader->config.format, pFader->config.channels)*absCursorInFrames);
pFramesIn = ma_offset_ptr(pFramesIn, ma_get_bytes_per_frame(pFader->config.format, pFader->config.channels)*absCursorInFrames);
}
if (pFader->cursorInFrames >= 0) {
if (frameCount + pFader->cursorInFrames > UINT_MAX) {
frameCount = UINT_MAX - pFader->cursorInFrames;
}
if (pFader->volumeBeg == pFader->volumeEnd) {
if (pFader->volumeBeg == 1) {
ma_copy_pcm_frames(pFramesOut, pFramesIn, frameCount, pFader->config.format, pFader->config.channels);
} else {
ma_copy_and_apply_volume_and_clip_pcm_frames(pFramesOut, pFramesIn, frameCount, pFader->config.format, pFader->config.channels, pFader->volumeBeg);
}
} else {
if ((ma_uint64)pFader->cursorInFrames >= pFader->lengthInFrames) {
ma_copy_and_apply_volume_and_clip_pcm_frames(pFramesOut, pFramesIn, frameCount, pFader->config.format, pFader->config.channels, pFader->volumeEnd);
} else {
ma_uint64 iFrame;
ma_uint32 iChannel;
if (pFader->config.format == ma_format_f32) {
const float* pFramesInF32 = (const float*)pFramesIn;
float* pFramesOutF32 = ( float*)pFramesOut;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
float a = (ma_uint32)ma_min(pFader->cursorInFrames + iFrame, pFader->lengthInFrames) / (float)((ma_uint32)pFader->lengthInFrames);
float volume = ma_mix_f32_fast(pFader->volumeBeg, pFader->volumeEnd, a);
for (iChannel = 0; iChannel < pFader->config.channels; iChannel += 1) {
pFramesOutF32[iFrame*pFader->config.channels + iChannel] = pFramesInF32[iFrame*pFader->config.channels + iChannel] * volume;
}
}
} else {
return MA_NOT_IMPLEMENTED;
}
}
}
}
pFader->cursorInFrames += frameCount;
return MA_SUCCESS;
}
MA_API void ma_fader_get_data_format(const ma_fader* pFader, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate)
{
if (pFader == NULL) {
return;
}
if (pFormat != NULL) {
*pFormat = pFader->config.format;
}
if (pChannels != NULL) {
*pChannels = pFader->config.channels;
}
if (pSampleRate != NULL) {
*pSampleRate = pFader->config.sampleRate;
}
}
MA_API void ma_fader_set_fade(ma_fader* pFader, float volumeBeg, float volumeEnd, ma_uint64 lengthInFrames)
{
ma_fader_set_fade_ex(pFader, volumeBeg, volumeEnd, lengthInFrames, 0);
}
MA_API void ma_fader_set_fade_ex(ma_fader* pFader, float volumeBeg, float volumeEnd, ma_uint64 lengthInFrames, ma_int64 startOffsetInFrames)
{
if (pFader == NULL) {
return;
}
if (volumeBeg < 0) {
volumeBeg = ma_fader_get_current_volume(pFader);
}
if (lengthInFrames > UINT_MAX) {
lengthInFrames = UINT_MAX;
}
if (startOffsetInFrames > INT_MAX) {
startOffsetInFrames = INT_MAX;
}
pFader->volumeBeg = volumeBeg;
pFader->volumeEnd = volumeEnd;
pFader->lengthInFrames = lengthInFrames;
pFader->cursorInFrames = -startOffsetInFrames;
}
MA_API float ma_fader_get_current_volume(const ma_fader* pFader)
{
if (pFader == NULL) {
return 0.0f;
}
if (pFader->cursorInFrames < 0) {
return 1.0f;
}
if (pFader->cursorInFrames == 0) {
return pFader->volumeBeg;
} else if ((ma_uint64)pFader->cursorInFrames >= pFader->lengthInFrames) {
return pFader->volumeEnd;
} else {
return ma_mix_f32_fast(pFader->volumeBeg, pFader->volumeEnd, (ma_uint32)pFader->cursorInFrames / (float)((ma_uint32)pFader->lengthInFrames));
}
}
MA_API ma_vec3f ma_vec3f_init_3f(float x, float y, float z)
{
ma_vec3f v;
v.x = x;
v.y = y;
v.z = z;
return v;
}
MA_API ma_vec3f ma_vec3f_sub(ma_vec3f a, ma_vec3f b)
{
return ma_vec3f_init_3f(
a.x - b.x,
a.y - b.y,
a.z - b.z
);
}
MA_API ma_vec3f ma_vec3f_neg(ma_vec3f a)
{
return ma_vec3f_init_3f(
-a.x,
-a.y,
-a.z
);
}
MA_API float ma_vec3f_dot(ma_vec3f a, ma_vec3f b)
{
return a.x*b.x + a.y*b.y + a.z*b.z;
}
MA_API float ma_vec3f_len2(ma_vec3f v)
{
return ma_vec3f_dot(v, v);
}
MA_API float ma_vec3f_len(ma_vec3f v)
{
return (float)ma_sqrtd(ma_vec3f_len2(v));
}
MA_API float ma_vec3f_dist(ma_vec3f a, ma_vec3f b)
{
return ma_vec3f_len(ma_vec3f_sub(a, b));
}
MA_API ma_vec3f ma_vec3f_normalize(ma_vec3f v)
{
float invLen;
float len2 = ma_vec3f_len2(v);
if (len2 == 0) {
return ma_vec3f_init_3f(0, 0, 0);
}
invLen = ma_rsqrtf(len2);
v.x *= invLen;
v.y *= invLen;
v.z *= invLen;
return v;
}
MA_API ma_vec3f ma_vec3f_cross(ma_vec3f a, ma_vec3f b)
{
return ma_vec3f_init_3f(
a.y*b.z - a.z*b.y,
a.z*b.x - a.x*b.z,
a.x*b.y - a.y*b.x
);
}
MA_API void ma_atomic_vec3f_init(ma_atomic_vec3f* v, ma_vec3f value)
{
v->v = value;
v->lock = 0;
}
MA_API void ma_atomic_vec3f_set(ma_atomic_vec3f* v, ma_vec3f value)
{
ma_spinlock_lock(&v->lock);
{
v->v = value;
}
ma_spinlock_unlock(&v->lock);
}
MA_API ma_vec3f ma_atomic_vec3f_get(ma_atomic_vec3f* v)
{
ma_vec3f r;
ma_spinlock_lock(&v->lock);
{
r = v->v;
}
ma_spinlock_unlock(&v->lock);
return r;
}
static void ma_channel_map_apply_f32(float* pFramesOut, const ma_channel* pChannelMapOut, ma_uint32 channelsOut, const float* pFramesIn, const ma_channel* pChannelMapIn, ma_uint32 channelsIn, ma_uint64 frameCount, ma_channel_mix_mode mode, ma_mono_expansion_mode monoExpansionMode);
static ma_bool32 ma_is_spatial_channel_position(ma_channel channelPosition);
#ifndef MA_DEFAULT_SPEED_OF_SOUND
#define MA_DEFAULT_SPEED_OF_SOUND 343.3f
#endif
static ma_vec3f g_maChannelDirections[MA_CHANNEL_POSITION_COUNT] = {
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{-0.7071f, 0.0f, -0.7071f },
{+0.7071f, 0.0f, -0.7071f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{-0.7071f, 0.0f, +0.7071f },
{+0.7071f, 0.0f, +0.7071f },
{-0.3162f, 0.0f, -0.9487f },
{+0.3162f, 0.0f, -0.9487f },
{ 0.0f, 0.0f, +1.0f },
{-1.0f, 0.0f, 0.0f },
{+1.0f, 0.0f, 0.0f },
{ 0.0f, +1.0f, 0.0f },
{-0.5774f, +0.5774f, -0.5774f },
{ 0.0f, +0.7071f, -0.7071f },
{+0.5774f, +0.5774f, -0.5774f },
{-0.5774f, +0.5774f, +0.5774f },
{ 0.0f, +0.7071f, +0.7071f },
{+0.5774f, +0.5774f, +0.5774f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f },
{ 0.0f, 0.0f, -1.0f }
};
static ma_vec3f ma_get_channel_direction(ma_channel channel)
{
if (channel >= MA_CHANNEL_POSITION_COUNT) {
return ma_vec3f_init_3f(0, 0, -1);
} else {
return g_maChannelDirections[channel];
}
}
static float ma_attenuation_inverse(float distance, float minDistance, float maxDistance, float rolloff)
{
if (minDistance >= maxDistance) {
return 1;
}
return minDistance / (minDistance + rolloff * (ma_clamp(distance, minDistance, maxDistance) - minDistance));
}
static float ma_attenuation_linear(float distance, float minDistance, float maxDistance, float rolloff)
{
if (minDistance >= maxDistance) {
return 1;
}
return 1 - rolloff * (ma_clamp(distance, minDistance, maxDistance) - minDistance) / (maxDistance - minDistance);
}
static float ma_attenuation_exponential(float distance, float minDistance, float maxDistance, float rolloff)
{
if (minDistance >= maxDistance) {
return 1;
}
return (float)ma_powd(ma_clamp(distance, minDistance, maxDistance) / minDistance, -rolloff);
}
static float ma_doppler_pitch(ma_vec3f relativePosition, ma_vec3f sourceVelocity, ma_vec3f listenVelocity, float speedOfSound, float dopplerFactor)
{
float len;
float vls;
float vss;
len = ma_vec3f_len(relativePosition);
if (len == 0) {
return 1.0;
}
vls = ma_vec3f_dot(relativePosition, listenVelocity) / len;
vss = ma_vec3f_dot(relativePosition, sourceVelocity) / len;
vls = ma_min(vls, speedOfSound / dopplerFactor);
vss = ma_min(vss, speedOfSound / dopplerFactor);
return (speedOfSound - dopplerFactor*vls) / (speedOfSound - dopplerFactor*vss);
}
static void ma_get_default_channel_map_for_spatializer(ma_channel* pChannelMap, size_t channelMapCap, ma_uint32 channelCount)
{
if (channelCount == 2) {
pChannelMap[0] = MA_CHANNEL_SIDE_LEFT;
pChannelMap[1] = MA_CHANNEL_SIDE_RIGHT;
} else {
ma_channel_map_init_standard(ma_standard_channel_map_default, pChannelMap, channelMapCap, channelCount);
}
}
MA_API ma_spatializer_listener_config ma_spatializer_listener_config_init(ma_uint32 channelsOut)
{
ma_spatializer_listener_config config;
MA_ZERO_OBJECT(&config);
config.channelsOut = channelsOut;
config.pChannelMapOut = NULL;
config.handedness = ma_handedness_right;
config.worldUp = ma_vec3f_init_3f(0, 1, 0);
config.coneInnerAngleInRadians = 6.283185f;
config.coneOuterAngleInRadians = 6.283185f;
config.coneOuterGain = 0;
config.speedOfSound = 343.3f;
return config;
}
typedef struct
{
size_t sizeInBytes;
size_t channelMapOutOffset;
} ma_spatializer_listener_heap_layout;
static ma_result ma_spatializer_listener_get_heap_layout(const ma_spatializer_listener_config* pConfig, ma_spatializer_listener_heap_layout* pHeapLayout)
{
MA_ASSERT(pHeapLayout != NULL);
MA_ZERO_OBJECT(pHeapLayout);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->channelsOut == 0) {
return MA_INVALID_ARGS;
}
pHeapLayout->sizeInBytes = 0;
pHeapLayout->channelMapOutOffset = pHeapLayout->sizeInBytes;
pHeapLayout->sizeInBytes += ma_align_64(sizeof(*pConfig->pChannelMapOut) * pConfig->channelsOut);
return MA_SUCCESS;
}
MA_API ma_result ma_spatializer_listener_get_heap_size(const ma_spatializer_listener_config* pConfig, size_t* pHeapSizeInBytes)
{
ma_result result;
ma_spatializer_listener_heap_layout heapLayout;
if (pHeapSizeInBytes == NULL) {
return MA_INVALID_ARGS;
}
*pHeapSizeInBytes = 0;
result = ma_spatializer_listener_get_heap_layout(pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return result;
}
*pHeapSizeInBytes = heapLayout.sizeInBytes;
return MA_SUCCESS;
}
MA_API ma_result ma_spatializer_listener_init_preallocated(const ma_spatializer_listener_config* pConfig, void* pHeap, ma_spatializer_listener* pListener)
{
ma_result result;
ma_spatializer_listener_heap_layout heapLayout;
if (pListener == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pListener);
result = ma_spatializer_listener_get_heap_layout(pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return result;
}
pListener->_pHeap = pHeap;
MA_ZERO_MEMORY(pHeap, heapLayout.sizeInBytes);
pListener->config = *pConfig;
ma_atomic_vec3f_init(&pListener->position, ma_vec3f_init_3f(0, 0, 0));
ma_atomic_vec3f_init(&pListener->direction, ma_vec3f_init_3f(0, 0, -1));
ma_atomic_vec3f_init(&pListener->velocity, ma_vec3f_init_3f(0, 0, 0));
pListener->isEnabled = MA_TRUE;
if (pListener->config.handedness == ma_handedness_left) {
ma_vec3f negDir = ma_vec3f_neg(ma_spatializer_listener_get_direction(pListener));
ma_spatializer_listener_set_direction(pListener, negDir.x, negDir.y, negDir.z);
}
pListener->config.pChannelMapOut = (ma_channel*)ma_offset_ptr(pHeap, heapLayout.channelMapOutOffset);
if (pConfig->pChannelMapOut == NULL) {
ma_get_default_channel_map_for_spatializer(pListener->config.pChannelMapOut, pConfig->channelsOut, pConfig->channelsOut);
} else {
ma_channel_map_copy_or_default(pListener->config.pChannelMapOut, pConfig->channelsOut, pConfig->pChannelMapOut, pConfig->channelsOut);
}
return MA_SUCCESS;
}
MA_API ma_result ma_spatializer_listener_init(const ma_spatializer_listener_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_spatializer_listener* pListener)
{
ma_result result;
size_t heapSizeInBytes;
void* pHeap;
result = ma_spatializer_listener_get_heap_size(pConfig, &heapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
if (heapSizeInBytes > 0) {
pHeap = ma_malloc(heapSizeInBytes, pAllocationCallbacks);
if (pHeap == NULL) {
return MA_OUT_OF_MEMORY;
}
} else {
pHeap = NULL;
}
result = ma_spatializer_listener_init_preallocated(pConfig, pHeap, pListener);
if (result != MA_SUCCESS) {
ma_free(pHeap, pAllocationCallbacks);
return result;
}
pListener->_ownsHeap = MA_TRUE;
return MA_SUCCESS;
}
MA_API void ma_spatializer_listener_uninit(ma_spatializer_listener* pListener, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pListener == NULL) {
return;
}
if (pListener->_ownsHeap) {
ma_free(pListener->_pHeap, pAllocationCallbacks);
}
}
MA_API ma_channel* ma_spatializer_listener_get_channel_map(ma_spatializer_listener* pListener)
{
if (pListener == NULL) {
return NULL;
}
return pListener->config.pChannelMapOut;
}
MA_API void ma_spatializer_listener_set_cone(ma_spatializer_listener* pListener, float innerAngleInRadians, float outerAngleInRadians, float outerGain)
{
if (pListener == NULL) {
return;
}
pListener->config.coneInnerAngleInRadians = innerAngleInRadians;
pListener->config.coneOuterAngleInRadians = outerAngleInRadians;
pListener->config.coneOuterGain = outerGain;
}
MA_API void ma_spatializer_listener_get_cone(const ma_spatializer_listener* pListener, float* pInnerAngleInRadians, float* pOuterAngleInRadians, float* pOuterGain)
{
if (pListener == NULL) {
return;
}
if (pInnerAngleInRadians != NULL) {
*pInnerAngleInRadians = pListener->config.coneInnerAngleInRadians;
}
if (pOuterAngleInRadians != NULL) {
*pOuterAngleInRadians = pListener->config.coneOuterAngleInRadians;
}
if (pOuterGain != NULL) {
*pOuterGain = pListener->config.coneOuterGain;
}
}
MA_API void ma_spatializer_listener_set_position(ma_spatializer_listener* pListener, float x, float y, float z)
{
if (pListener == NULL) {
return;
}
ma_atomic_vec3f_set(&pListener->position, ma_vec3f_init_3f(x, y, z));
}
MA_API ma_vec3f ma_spatializer_listener_get_position(const ma_spatializer_listener* pListener)
{
if (pListener == NULL) {
return ma_vec3f_init_3f(0, 0, 0);
}
return ma_atomic_vec3f_get((ma_atomic_vec3f*)&pListener->position);
}
MA_API void ma_spatializer_listener_set_direction(ma_spatializer_listener* pListener, float x, float y, float z)
{
if (pListener == NULL) {
return;
}
ma_atomic_vec3f_set(&pListener->direction, ma_vec3f_init_3f(x, y, z));
}
MA_API ma_vec3f ma_spatializer_listener_get_direction(const ma_spatializer_listener* pListener)
{
if (pListener == NULL) {
return ma_vec3f_init_3f(0, 0, -1);
}
return ma_atomic_vec3f_get((ma_atomic_vec3f*)&pListener->direction);
}
MA_API void ma_spatializer_listener_set_velocity(ma_spatializer_listener* pListener, float x, float y, float z)
{
if (pListener == NULL) {
return;
}
ma_atomic_vec3f_set(&pListener->velocity, ma_vec3f_init_3f(x, y, z));
}
MA_API ma_vec3f ma_spatializer_listener_get_velocity(const ma_spatializer_listener* pListener)
{
if (pListener == NULL) {
return ma_vec3f_init_3f(0, 0, 0);
}
return ma_atomic_vec3f_get((ma_atomic_vec3f*)&pListener->velocity);
}
MA_API void ma_spatializer_listener_set_speed_of_sound(ma_spatializer_listener* pListener, float speedOfSound)
{
if (pListener == NULL) {
return;
}
pListener->config.speedOfSound = speedOfSound;
}
MA_API float ma_spatializer_listener_get_speed_of_sound(const ma_spatializer_listener* pListener)
{
if (pListener == NULL) {
return 0;
}
return pListener->config.speedOfSound;
}
MA_API void ma_spatializer_listener_set_world_up(ma_spatializer_listener* pListener, float x, float y, float z)
{
if (pListener == NULL) {
return;
}
pListener->config.worldUp = ma_vec3f_init_3f(x, y, z);
}
MA_API ma_vec3f ma_spatializer_listener_get_world_up(const ma_spatializer_listener* pListener)
{
if (pListener == NULL) {
return ma_vec3f_init_3f(0, 1, 0);
}
return pListener->config.worldUp;
}
MA_API void ma_spatializer_listener_set_enabled(ma_spatializer_listener* pListener, ma_bool32 isEnabled)
{
if (pListener == NULL) {
return;
}
pListener->isEnabled = isEnabled;
}
MA_API ma_bool32 ma_spatializer_listener_is_enabled(const ma_spatializer_listener* pListener)
{
if (pListener == NULL) {
return MA_FALSE;
}
return pListener->isEnabled;
}
MA_API ma_spatializer_config ma_spatializer_config_init(ma_uint32 channelsIn, ma_uint32 channelsOut)
{
ma_spatializer_config config;
MA_ZERO_OBJECT(&config);
config.channelsIn = channelsIn;
config.channelsOut = channelsOut;
config.pChannelMapIn = NULL;
config.attenuationModel = ma_attenuation_model_inverse;
config.positioning = ma_positioning_absolute;
config.handedness = ma_handedness_right;
config.minGain = 0;
config.maxGain = 1;
config.minDistance = 1;
config.maxDistance = MA_FLT_MAX;
config.rolloff = 1;
config.coneInnerAngleInRadians = 6.283185f;
config.coneOuterAngleInRadians = 6.283185f;
config.coneOuterGain = 0.0f;
config.dopplerFactor = 1;
config.directionalAttenuationFactor = 1;
config.minSpatializationChannelGain = 0.2f;
config.gainSmoothTimeInFrames = 360;
return config;
}
static ma_gainer_config ma_spatializer_gainer_config_init(const ma_spatializer_config* pConfig)
{
MA_ASSERT(pConfig != NULL);
return ma_gainer_config_init(pConfig->channelsOut, pConfig->gainSmoothTimeInFrames);
}
static ma_result ma_spatializer_validate_config(const ma_spatializer_config* pConfig)
{
MA_ASSERT(pConfig != NULL);
if (pConfig->channelsIn == 0 || pConfig->channelsOut == 0) {
return MA_INVALID_ARGS;
}
return MA_SUCCESS;
}
typedef struct
{
size_t sizeInBytes;
size_t channelMapInOffset;
size_t newChannelGainsOffset;
size_t gainerOffset;
} ma_spatializer_heap_layout;
static ma_result ma_spatializer_get_heap_layout(const ma_spatializer_config* pConfig, ma_spatializer_heap_layout* pHeapLayout)
{
ma_result result;
MA_ASSERT(pHeapLayout != NULL);
MA_ZERO_OBJECT(pHeapLayout);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
result = ma_spatializer_validate_config(pConfig);
if (result != MA_SUCCESS) {
return result;
}
pHeapLayout->sizeInBytes = 0;
pHeapLayout->channelMapInOffset = MA_SIZE_MAX;
if (pConfig->pChannelMapIn != NULL) {
pHeapLayout->channelMapInOffset = pHeapLayout->sizeInBytes;
pHeapLayout->sizeInBytes += ma_align_64(sizeof(*pConfig->pChannelMapIn) * pConfig->channelsIn);
}
pHeapLayout->newChannelGainsOffset = pHeapLayout->sizeInBytes;
pHeapLayout->sizeInBytes += ma_align_64(sizeof(float) * pConfig->channelsOut);
{
size_t gainerHeapSizeInBytes;
ma_gainer_config gainerConfig;
gainerConfig = ma_spatializer_gainer_config_init(pConfig);
result = ma_gainer_get_heap_size(&gainerConfig, &gainerHeapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
pHeapLayout->gainerOffset = pHeapLayout->sizeInBytes;
pHeapLayout->sizeInBytes += ma_align_64(gainerHeapSizeInBytes);
}
return MA_SUCCESS;
}
MA_API ma_result ma_spatializer_get_heap_size(const ma_spatializer_config* pConfig, size_t* pHeapSizeInBytes)
{
ma_result result;
ma_spatializer_heap_layout heapLayout;
if (pHeapSizeInBytes == NULL) {
return MA_INVALID_ARGS;
}
*pHeapSizeInBytes = 0;
result = ma_spatializer_get_heap_layout(pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return result;
}
*pHeapSizeInBytes = heapLayout.sizeInBytes;
return MA_SUCCESS;
}
MA_API ma_result ma_spatializer_init_preallocated(const ma_spatializer_config* pConfig, void* pHeap, ma_spatializer* pSpatializer)
{
ma_result result;
ma_spatializer_heap_layout heapLayout;
ma_gainer_config gainerConfig;
if (pSpatializer == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pSpatializer);
if (pConfig == NULL || pHeap == NULL) {
return MA_INVALID_ARGS;
}
result = ma_spatializer_get_heap_layout(pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return result;
}
pSpatializer->_pHeap = pHeap;
MA_ZERO_MEMORY(pHeap, heapLayout.sizeInBytes);
pSpatializer->channelsIn = pConfig->channelsIn;
pSpatializer->channelsOut = pConfig->channelsOut;
pSpatializer->attenuationModel = pConfig->attenuationModel;
pSpatializer->positioning = pConfig->positioning;
pSpatializer->handedness = pConfig->handedness;
pSpatializer->minGain = pConfig->minGain;
pSpatializer->maxGain = pConfig->maxGain;
pSpatializer->minDistance = pConfig->minDistance;
pSpatializer->maxDistance = pConfig->maxDistance;
pSpatializer->rolloff = pConfig->rolloff;
pSpatializer->coneInnerAngleInRadians = pConfig->coneInnerAngleInRadians;
pSpatializer->coneOuterAngleInRadians = pConfig->coneOuterAngleInRadians;
pSpatializer->coneOuterGain = pConfig->coneOuterGain;
pSpatializer->dopplerFactor = pConfig->dopplerFactor;
pSpatializer->minSpatializationChannelGain = pConfig->minSpatializationChannelGain;
pSpatializer->directionalAttenuationFactor = pConfig->directionalAttenuationFactor;
pSpatializer->gainSmoothTimeInFrames = pConfig->gainSmoothTimeInFrames;
ma_atomic_vec3f_init(&pSpatializer->position, ma_vec3f_init_3f(0, 0, 0));
ma_atomic_vec3f_init(&pSpatializer->direction, ma_vec3f_init_3f(0, 0, -1));
ma_atomic_vec3f_init(&pSpatializer->velocity, ma_vec3f_init_3f(0, 0, 0));
pSpatializer->dopplerPitch = 1;
if (pSpatializer->handedness == ma_handedness_left) {
ma_vec3f negDir = ma_vec3f_neg(ma_spatializer_get_direction(pSpatializer));
ma_spatializer_set_direction(pSpatializer, negDir.x, negDir.y, negDir.z);
}
if (pConfig->pChannelMapIn != NULL) {
pSpatializer->pChannelMapIn = (ma_channel*)ma_offset_ptr(pHeap, heapLayout.channelMapInOffset);
ma_channel_map_copy_or_default(pSpatializer->pChannelMapIn, pSpatializer->channelsIn, pConfig->pChannelMapIn, pSpatializer->channelsIn);
}
pSpatializer->pNewChannelGainsOut = (float*)ma_offset_ptr(pHeap, heapLayout.newChannelGainsOffset);
gainerConfig = ma_spatializer_gainer_config_init(pConfig);
result = ma_gainer_init_preallocated(&gainerConfig, ma_offset_ptr(pHeap, heapLayout.gainerOffset), &pSpatializer->gainer);
if (result != MA_SUCCESS) {
return result;
}
return MA_SUCCESS;
}
MA_API ma_result ma_spatializer_init(const ma_spatializer_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_spatializer* pSpatializer)
{
ma_result result;
size_t heapSizeInBytes;
void* pHeap;
result = ma_spatializer_get_heap_size(pConfig, &heapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
if (heapSizeInBytes > 0) {
pHeap = ma_malloc(heapSizeInBytes, pAllocationCallbacks);
if (pHeap == NULL) {
return MA_OUT_OF_MEMORY;
}
} else {
pHeap = NULL;
}
result = ma_spatializer_init_preallocated(pConfig, pHeap, pSpatializer);
if (result != MA_SUCCESS) {
ma_free(pHeap, pAllocationCallbacks);
return result;
}
pSpatializer->_ownsHeap = MA_TRUE;
return MA_SUCCESS;
}
MA_API void ma_spatializer_uninit(ma_spatializer* pSpatializer, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pSpatializer == NULL) {
return;
}
ma_gainer_uninit(&pSpatializer->gainer, pAllocationCallbacks);
if (pSpatializer->_ownsHeap) {
ma_free(pSpatializer->_pHeap, pAllocationCallbacks);
}
}
static float ma_calculate_angular_gain(ma_vec3f dirA, ma_vec3f dirB, float coneInnerAngleInRadians, float coneOuterAngleInRadians, float coneOuterGain)
{
if (coneInnerAngleInRadians < 6.283185f) {
float angularGain = 1;
float cutoffInner = (float)ma_cosd(coneInnerAngleInRadians*0.5f);
float cutoffOuter = (float)ma_cosd(coneOuterAngleInRadians*0.5f);
float d;
d = ma_vec3f_dot(dirA, dirB);
if (d > cutoffInner) {
angularGain = 1;
} else {
if (d > cutoffOuter) {
angularGain = ma_mix_f32(coneOuterGain, 1, (d - cutoffOuter) / (cutoffInner - cutoffOuter));
} else {
angularGain = coneOuterGain;
}
}
return angularGain;
} else {
return 1;
}
}
MA_API ma_result ma_spatializer_process_pcm_frames(ma_spatializer* pSpatializer, ma_spatializer_listener* pListener, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount)
{
ma_channel* pChannelMapIn;
ma_channel* pChannelMapOut;
if (pSpatializer == NULL || pListener == NULL) {
return MA_INVALID_ARGS;
}
pChannelMapIn = pSpatializer->pChannelMapIn;
pChannelMapOut = pListener->config.pChannelMapOut;
if (ma_atomic_load_i32(&pSpatializer->attenuationModel) == ma_attenuation_model_none) {
if (ma_spatializer_listener_is_enabled(pListener)) {
if (pSpatializer->channelsIn == pSpatializer->channelsOut) {
ma_copy_pcm_frames(pFramesOut, pFramesIn, frameCount, ma_format_f32, pSpatializer->channelsIn);
} else {
ma_channel_map_apply_f32((float*)pFramesOut, pChannelMapOut, pSpatializer->channelsOut, (const float*)pFramesIn, pChannelMapIn, pSpatializer->channelsIn, frameCount, ma_channel_mix_mode_rectangular, ma_mono_expansion_mode_default);
}
} else {
ma_silence_pcm_frames(pFramesOut, frameCount, ma_format_f32, pSpatializer->channelsOut);
}
pSpatializer->dopplerPitch = 1;
} else {
ma_vec3f relativePosNormalized;
ma_vec3f relativePos;
ma_vec3f relativeDir;
ma_vec3f listenerVel;
float speedOfSound;
float distance = 0;
float gain = 1;
ma_uint32 iChannel;
const ma_uint32 channelsOut = pSpatializer->channelsOut;
const ma_uint32 channelsIn = pSpatializer->channelsIn;
float minDistance = ma_spatializer_get_min_distance(pSpatializer);
float maxDistance = ma_spatializer_get_max_distance(pSpatializer);
float rolloff = ma_spatializer_get_rolloff(pSpatializer);
float dopplerFactor = ma_spatializer_get_doppler_factor(pSpatializer);
listenerVel = ma_spatializer_listener_get_velocity(pListener);
speedOfSound = pListener->config.speedOfSound;
if (ma_spatializer_get_positioning(pSpatializer) == ma_positioning_relative) {
relativePos = ma_spatializer_get_position(pSpatializer);
relativeDir = ma_spatializer_get_direction(pSpatializer);
} else {
ma_spatializer_get_relative_position_and_direction(pSpatializer, pListener, &relativePos, &relativeDir);
}
distance = ma_vec3f_len(relativePos);
switch (ma_spatializer_get_attenuation_model(pSpatializer)) {
case ma_attenuation_model_inverse:
{
gain = ma_attenuation_inverse(distance, minDistance, maxDistance, rolloff);
} break;
case ma_attenuation_model_linear:
{
gain = ma_attenuation_linear(distance, minDistance, maxDistance, rolloff);
} break;
case ma_attenuation_model_exponential:
{
gain = ma_attenuation_exponential(distance, minDistance, maxDistance, rolloff);
} break;
case ma_attenuation_model_none:
default:
{
gain = 1;
} break;
}
if (distance > 0.001f) {
float distanceInv = 1/distance;
relativePosNormalized = relativePos;
relativePosNormalized.x *= distanceInv;
relativePosNormalized.y *= distanceInv;
relativePosNormalized.z *= distanceInv;
} else {
distance = 0;
relativePosNormalized = ma_vec3f_init_3f(0, 0, 0);
}
if (distance > 0) {
float spatializerConeInnerAngle;
float spatializerConeOuterAngle;
float spatializerConeOuterGain;
ma_spatializer_get_cone(pSpatializer, &spatializerConeInnerAngle, &spatializerConeOuterAngle, &spatializerConeOuterGain);
gain *= ma_calculate_angular_gain(relativeDir, ma_vec3f_neg(relativePosNormalized), spatializerConeInnerAngle, spatializerConeOuterAngle, spatializerConeOuterGain);
if (pListener != NULL && pListener->config.coneInnerAngleInRadians < 6.283185f) {
ma_vec3f listenerDirection;
float listenerInnerAngle;
float listenerOuterAngle;
float listenerOuterGain;
if (pListener->config.handedness == ma_handedness_right) {
listenerDirection = ma_vec3f_init_3f(0, 0, -1);
} else {
listenerDirection = ma_vec3f_init_3f(0, 0, +1);
}
listenerInnerAngle = pListener->config.coneInnerAngleInRadians;
listenerOuterAngle = pListener->config.coneOuterAngleInRadians;
listenerOuterGain = pListener->config.coneOuterGain;
gain *= ma_calculate_angular_gain(listenerDirection, relativePosNormalized, listenerInnerAngle, listenerOuterAngle, listenerOuterGain);
}
} else {
}
gain = ma_clamp(gain, ma_spatializer_get_min_gain(pSpatializer), ma_spatializer_get_max_gain(pSpatializer));
for (iChannel = 0; iChannel < channelsOut; iChannel += 1) {
pSpatializer->pNewChannelGainsOut[iChannel] = gain;
}
if (ma_spatializer_listener_is_enabled(pListener)) {
ma_channel_map_apply_f32((float*)pFramesOut, pChannelMapOut, channelsOut, (const float*)pFramesIn, pChannelMapIn, channelsIn, frameCount, ma_channel_mix_mode_rectangular, ma_mono_expansion_mode_default);
} else {
ma_silence_pcm_frames(pFramesOut, frameCount, ma_format_f32, pSpatializer->channelsOut);
}
MA_ASSERT(pChannelMapOut != NULL);
if (distance > 0) {
ma_vec3f unitPos = relativePos;
float distanceInv = 1/distance;
unitPos.x *= distanceInv;
unitPos.y *= distanceInv;
unitPos.z *= distanceInv;
for (iChannel = 0; iChannel < channelsOut; iChannel += 1) {
ma_channel channelOut;
float d;
float dMin;
channelOut = ma_channel_map_get_channel(pChannelMapOut, channelsOut, iChannel);
if (ma_is_spatial_channel_position(channelOut)) {
d = ma_mix_f32_fast(1, ma_vec3f_dot(unitPos, ma_get_channel_direction(channelOut)), ma_spatializer_get_directional_attenuation_factor(pSpatializer));
} else {
d = 1;
}
dMin = pSpatializer->minSpatializationChannelGain;
#if 1
{
d = (d + 1) * 0.5f;
d = ma_max(d, dMin);
pSpatializer->pNewChannelGainsOut[iChannel] *= d;
}
#else
{
if (d < 0) {
d += 1;
d = ma_max(d, dMin);
channelGainsOut[iChannel] *= d;
}
}
#endif
}
} else {
}
ma_gainer_set_gains(&pSpatializer->gainer, pSpatializer->pNewChannelGainsOut);
ma_gainer_process_pcm_frames(&pSpatializer->gainer, pFramesOut, pFramesOut, frameCount);
if (dopplerFactor > 0) {
pSpatializer->dopplerPitch = ma_doppler_pitch(ma_vec3f_sub(ma_spatializer_listener_get_position(pListener), ma_spatializer_get_position(pSpatializer)), ma_spatializer_get_velocity(pSpatializer), listenerVel, speedOfSound, dopplerFactor);
} else {
pSpatializer->dopplerPitch = 1;
}
}
return MA_SUCCESS;
}
MA_API ma_result ma_spatializer_set_master_volume(ma_spatializer* pSpatializer, float volume)
{
if (pSpatializer == NULL) {
return MA_INVALID_ARGS;
}
return ma_gainer_set_master_volume(&pSpatializer->gainer, volume);
}
MA_API ma_result ma_spatializer_get_master_volume(const ma_spatializer* pSpatializer, float* pVolume)
{
if (pSpatializer == NULL) {
return MA_INVALID_ARGS;
}
return ma_gainer_get_master_volume(&pSpatializer->gainer, pVolume);
}
MA_API ma_uint32 ma_spatializer_get_input_channels(const ma_spatializer* pSpatializer)
{
if (pSpatializer == NULL) {
return 0;
}
return pSpatializer->channelsIn;
}
MA_API ma_uint32 ma_spatializer_get_output_channels(const ma_spatializer* pSpatializer)
{
if (pSpatializer == NULL) {
return 0;
}
return pSpatializer->channelsOut;
}
MA_API void ma_spatializer_set_attenuation_model(ma_spatializer* pSpatializer, ma_attenuation_model attenuationModel)
{
if (pSpatializer == NULL) {
return;
}
ma_atomic_exchange_i32(&pSpatializer->attenuationModel, attenuationModel);
}
MA_API ma_attenuation_model ma_spatializer_get_attenuation_model(const ma_spatializer* pSpatializer)
{
if (pSpatializer == NULL) {
return ma_attenuation_model_none;
}
return (ma_attenuation_model)ma_atomic_load_i32(&pSpatializer->attenuationModel);
}
MA_API void ma_spatializer_set_positioning(ma_spatializer* pSpatializer, ma_positioning positioning)
{
if (pSpatializer == NULL) {
return;
}
ma_atomic_exchange_i32(&pSpatializer->positioning, positioning);
}
MA_API ma_positioning ma_spatializer_get_positioning(const ma_spatializer* pSpatializer)
{
if (pSpatializer == NULL) {
return ma_positioning_absolute;
}
return (ma_positioning)ma_atomic_load_i32(&pSpatializer->positioning);
}
MA_API void ma_spatializer_set_rolloff(ma_spatializer* pSpatializer, float rolloff)
{
if (pSpatializer == NULL) {
return;
}
ma_atomic_exchange_f32(&pSpatializer->rolloff, rolloff);
}
MA_API float ma_spatializer_get_rolloff(const ma_spatializer* pSpatializer)
{
if (pSpatializer == NULL) {
return 0;
}
return ma_atomic_load_f32(&pSpatializer->rolloff);
}
MA_API void ma_spatializer_set_min_gain(ma_spatializer* pSpatializer, float minGain)
{
if (pSpatializer == NULL) {
return;
}
ma_atomic_exchange_f32(&pSpatializer->minGain, minGain);
}
MA_API float ma_spatializer_get_min_gain(const ma_spatializer* pSpatializer)
{
if (pSpatializer == NULL) {
return 0;
}
return ma_atomic_load_f32(&pSpatializer->minGain);
}
MA_API void ma_spatializer_set_max_gain(ma_spatializer* pSpatializer, float maxGain)
{
if (pSpatializer == NULL) {
return;
}
ma_atomic_exchange_f32(&pSpatializer->maxGain, maxGain);
}
MA_API float ma_spatializer_get_max_gain(const ma_spatializer* pSpatializer)
{
if (pSpatializer == NULL) {
return 0;
}
return ma_atomic_load_f32(&pSpatializer->maxGain);
}
MA_API void ma_spatializer_set_min_distance(ma_spatializer* pSpatializer, float minDistance)
{
if (pSpatializer == NULL) {
return;
}
ma_atomic_exchange_f32(&pSpatializer->minDistance, minDistance);
}
MA_API float ma_spatializer_get_min_distance(const ma_spatializer* pSpatializer)
{
if (pSpatializer == NULL) {
return 0;
}
return ma_atomic_load_f32(&pSpatializer->minDistance);
}
MA_API void ma_spatializer_set_max_distance(ma_spatializer* pSpatializer, float maxDistance)
{
if (pSpatializer == NULL) {
return;
}
ma_atomic_exchange_f32(&pSpatializer->maxDistance, maxDistance);
}
MA_API float ma_spatializer_get_max_distance(const ma_spatializer* pSpatializer)
{
if (pSpatializer == NULL) {
return 0;
}
return ma_atomic_load_f32(&pSpatializer->maxDistance);
}
MA_API void ma_spatializer_set_cone(ma_spatializer* pSpatializer, float innerAngleInRadians, float outerAngleInRadians, float outerGain)
{
if (pSpatializer == NULL) {
return;
}
ma_atomic_exchange_f32(&pSpatializer->coneInnerAngleInRadians, innerAngleInRadians);
ma_atomic_exchange_f32(&pSpatializer->coneOuterAngleInRadians, outerAngleInRadians);
ma_atomic_exchange_f32(&pSpatializer->coneOuterGain, outerGain);
}
MA_API void ma_spatializer_get_cone(const ma_spatializer* pSpatializer, float* pInnerAngleInRadians, float* pOuterAngleInRadians, float* pOuterGain)
{
if (pSpatializer == NULL) {
return;
}
if (pInnerAngleInRadians != NULL) {
*pInnerAngleInRadians = ma_atomic_load_f32(&pSpatializer->coneInnerAngleInRadians);
}
if (pOuterAngleInRadians != NULL) {
*pOuterAngleInRadians = ma_atomic_load_f32(&pSpatializer->coneOuterAngleInRadians);
}
if (pOuterGain != NULL) {
*pOuterGain = ma_atomic_load_f32(&pSpatializer->coneOuterGain);
}
}
MA_API void ma_spatializer_set_doppler_factor(ma_spatializer* pSpatializer, float dopplerFactor)
{
if (pSpatializer == NULL) {
return;
}
ma_atomic_exchange_f32(&pSpatializer->dopplerFactor, dopplerFactor);
}
MA_API float ma_spatializer_get_doppler_factor(const ma_spatializer* pSpatializer)
{
if (pSpatializer == NULL) {
return 1;
}
return ma_atomic_load_f32(&pSpatializer->dopplerFactor);
}
MA_API void ma_spatializer_set_directional_attenuation_factor(ma_spatializer* pSpatializer, float directionalAttenuationFactor)
{
if (pSpatializer == NULL) {
return;
}
ma_atomic_exchange_f32(&pSpatializer->directionalAttenuationFactor, directionalAttenuationFactor);
}
MA_API float ma_spatializer_get_directional_attenuation_factor(const ma_spatializer* pSpatializer)
{
if (pSpatializer == NULL) {
return 1;
}
return ma_atomic_load_f32(&pSpatializer->directionalAttenuationFactor);
}
MA_API void ma_spatializer_set_position(ma_spatializer* pSpatializer, float x, float y, float z)
{
if (pSpatializer == NULL) {
return;
}
ma_atomic_vec3f_set(&pSpatializer->position, ma_vec3f_init_3f(x, y, z));
}
MA_API ma_vec3f ma_spatializer_get_position(const ma_spatializer* pSpatializer)
{
if (pSpatializer == NULL) {
return ma_vec3f_init_3f(0, 0, 0);
}
return ma_atomic_vec3f_get((ma_atomic_vec3f*)&pSpatializer->position);
}
MA_API void ma_spatializer_set_direction(ma_spatializer* pSpatializer, float x, float y, float z)
{
if (pSpatializer == NULL) {
return;
}
ma_atomic_vec3f_set(&pSpatializer->direction, ma_vec3f_init_3f(x, y, z));
}
MA_API ma_vec3f ma_spatializer_get_direction(const ma_spatializer* pSpatializer)
{
if (pSpatializer == NULL) {
return ma_vec3f_init_3f(0, 0, -1);
}
return ma_atomic_vec3f_get((ma_atomic_vec3f*)&pSpatializer->direction);
}
MA_API void ma_spatializer_set_velocity(ma_spatializer* pSpatializer, float x, float y, float z)
{
if (pSpatializer == NULL) {
return;
}
ma_atomic_vec3f_set(&pSpatializer->velocity, ma_vec3f_init_3f(x, y, z));
}
MA_API ma_vec3f ma_spatializer_get_velocity(const ma_spatializer* pSpatializer)
{
if (pSpatializer == NULL) {
return ma_vec3f_init_3f(0, 0, 0);
}
return ma_atomic_vec3f_get((ma_atomic_vec3f*)&pSpatializer->velocity);
}
MA_API void ma_spatializer_get_relative_position_and_direction(const ma_spatializer* pSpatializer, const ma_spatializer_listener* pListener, ma_vec3f* pRelativePos, ma_vec3f* pRelativeDir)
{
if (pRelativePos != NULL) {
pRelativePos->x = 0;
pRelativePos->y = 0;
pRelativePos->z = 0;
}
if (pRelativeDir != NULL) {
pRelativeDir->x = 0;
pRelativeDir->y = 0;
pRelativeDir->z = -1;
}
if (pSpatializer == NULL) {
return;
}
if (pListener == NULL || ma_spatializer_get_positioning(pSpatializer) == ma_positioning_relative) {
if (pRelativePos != NULL) {
*pRelativePos = ma_spatializer_get_position(pSpatializer);
}
if (pRelativeDir != NULL) {
*pRelativeDir = ma_spatializer_get_direction(pSpatializer);
}
} else {
ma_vec3f spatializerPosition;
ma_vec3f spatializerDirection;
ma_vec3f listenerPosition;
ma_vec3f listenerDirection;
ma_vec3f v;
ma_vec3f axisX;
ma_vec3f axisY;
ma_vec3f axisZ;
float m[4][4];
spatializerPosition = ma_spatializer_get_position(pSpatializer);
spatializerDirection = ma_spatializer_get_direction(pSpatializer);
listenerPosition = ma_spatializer_listener_get_position(pListener);
listenerDirection = ma_spatializer_listener_get_direction(pListener);
axisZ = ma_vec3f_normalize(listenerDirection);
axisX = ma_vec3f_normalize(ma_vec3f_cross(axisZ, pListener->config.worldUp));
if (ma_vec3f_len2(axisX) == 0) {
axisX = ma_vec3f_init_3f(1, 0, 0);
}
axisY = ma_vec3f_cross(axisX, axisZ);
if (pListener->config.handedness == ma_handedness_left) {
axisX = ma_vec3f_neg(axisX);
}
m[0][0] = axisX.x; m[1][0] = axisX.y; m[2][0] = axisX.z; m[3][0] = -ma_vec3f_dot(axisX, listenerPosition);
m[0][1] = axisY.x; m[1][1] = axisY.y; m[2][1] = axisY.z; m[3][1] = -ma_vec3f_dot(axisY, listenerPosition);
m[0][2] = -axisZ.x; m[1][2] = -axisZ.y; m[2][2] = -axisZ.z; m[3][2] = -ma_vec3f_dot(ma_vec3f_neg(axisZ), listenerPosition);
m[0][3] = 0; m[1][3] = 0; m[2][3] = 0; m[3][3] = 1;
if (pRelativePos != NULL) {
v = spatializerPosition;
pRelativePos->x = m[0][0] * v.x + m[1][0] * v.y + m[2][0] * v.z + m[3][0] * 1;
pRelativePos->y = m[0][1] * v.x + m[1][1] * v.y + m[2][1] * v.z + m[3][1] * 1;
pRelativePos->z = m[0][2] * v.x + m[1][2] * v.y + m[2][2] * v.z + m[3][2] * 1;
}
if (pRelativeDir != NULL) {
v = spatializerDirection;
pRelativeDir->x = m[0][0] * v.x + m[1][0] * v.y + m[2][0] * v.z;
pRelativeDir->y = m[0][1] * v.x + m[1][1] * v.y + m[2][1] * v.z;
pRelativeDir->z = m[0][2] * v.x + m[1][2] * v.y + m[2][2] * v.z;
}
}
}
MA_API ma_linear_resampler_config ma_linear_resampler_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRateIn, ma_uint32 sampleRateOut)
{
ma_linear_resampler_config config;
MA_ZERO_OBJECT(&config);
config.format = format;
config.channels = channels;
config.sampleRateIn = sampleRateIn;
config.sampleRateOut = sampleRateOut;
config.lpfOrder = ma_min(MA_DEFAULT_RESAMPLER_LPF_ORDER, MA_MAX_FILTER_ORDER);
config.lpfNyquistFactor = 1;
return config;
}
typedef struct
{
size_t sizeInBytes;
size_t x0Offset;
size_t x1Offset;
size_t lpfOffset;
} ma_linear_resampler_heap_layout;
static void ma_linear_resampler_adjust_timer_for_new_rate(ma_linear_resampler* pResampler, ma_uint32 oldSampleRateOut, ma_uint32 newSampleRateOut)
{
ma_uint32 oldRateTimeWhole = pResampler->inTimeFrac / oldSampleRateOut;
ma_uint32 oldRateTimeFract = pResampler->inTimeFrac % oldSampleRateOut;
pResampler->inTimeFrac =
(oldRateTimeWhole * newSampleRateOut) +
((oldRateTimeFract * newSampleRateOut) / oldSampleRateOut);
pResampler->inTimeInt += pResampler->inTimeFrac / pResampler->config.sampleRateOut;
pResampler->inTimeFrac = pResampler->inTimeFrac % pResampler->config.sampleRateOut;
}
static ma_result ma_linear_resampler_set_rate_internal(ma_linear_resampler* pResampler, void* pHeap, ma_linear_resampler_heap_layout* pHeapLayout, ma_uint32 sampleRateIn, ma_uint32 sampleRateOut, ma_bool32 isResamplerAlreadyInitialized)
{
ma_result result;
ma_uint32 gcf;
ma_uint32 lpfSampleRate;
double lpfCutoffFrequency;
ma_lpf_config lpfConfig;
ma_uint32 oldSampleRateOut;
if (pResampler == NULL) {
return MA_INVALID_ARGS;
}
if (sampleRateIn == 0 || sampleRateOut == 0) {
return MA_INVALID_ARGS;
}
oldSampleRateOut = pResampler->config.sampleRateOut;
pResampler->config.sampleRateIn = sampleRateIn;
pResampler->config.sampleRateOut = sampleRateOut;
gcf = ma_gcf_u32(pResampler->config.sampleRateIn, pResampler->config.sampleRateOut);
pResampler->config.sampleRateIn /= gcf;
pResampler->config.sampleRateOut /= gcf;
if (pResampler->config.lpfOrder > MA_MAX_FILTER_ORDER) {
return MA_INVALID_ARGS;
}
lpfSampleRate = (ma_uint32)(ma_max(pResampler->config.sampleRateIn, pResampler->config.sampleRateOut));
lpfCutoffFrequency = ( double)(ma_min(pResampler->config.sampleRateIn, pResampler->config.sampleRateOut) * 0.5 * pResampler->config.lpfNyquistFactor);
lpfConfig = ma_lpf_config_init(pResampler->config.format, pResampler->config.channels, lpfSampleRate, lpfCutoffFrequency, pResampler->config.lpfOrder);
if (isResamplerAlreadyInitialized) {
result = ma_lpf_reinit(&lpfConfig, &pResampler->lpf);
} else {
result = ma_lpf_init_preallocated(&lpfConfig, ma_offset_ptr(pHeap, pHeapLayout->lpfOffset), &pResampler->lpf);
}
if (result != MA_SUCCESS) {
return result;
}
pResampler->inAdvanceInt = pResampler->config.sampleRateIn / pResampler->config.sampleRateOut;
pResampler->inAdvanceFrac = pResampler->config.sampleRateIn % pResampler->config.sampleRateOut;
ma_linear_resampler_adjust_timer_for_new_rate(pResampler, oldSampleRateOut, pResampler->config.sampleRateOut);
return MA_SUCCESS;
}
static ma_result ma_linear_resampler_get_heap_layout(const ma_linear_resampler_config* pConfig, ma_linear_resampler_heap_layout* pHeapLayout)
{
MA_ASSERT(pHeapLayout != NULL);
MA_ZERO_OBJECT(pHeapLayout);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->format != ma_format_f32 && pConfig->format != ma_format_s16) {
return MA_INVALID_ARGS;
}
if (pConfig->channels == 0) {
return MA_INVALID_ARGS;
}
pHeapLayout->sizeInBytes = 0;
pHeapLayout->x0Offset = pHeapLayout->sizeInBytes;
if (pConfig->format == ma_format_f32) {
pHeapLayout->sizeInBytes += sizeof(float) * pConfig->channels;
} else {
pHeapLayout->sizeInBytes += sizeof(ma_int16) * pConfig->channels;
}
pHeapLayout->x1Offset = pHeapLayout->sizeInBytes;
if (pConfig->format == ma_format_f32) {
pHeapLayout->sizeInBytes += sizeof(float) * pConfig->channels;
} else {
pHeapLayout->sizeInBytes += sizeof(ma_int16) * pConfig->channels;
}
pHeapLayout->lpfOffset = ma_align_64(pHeapLayout->sizeInBytes);
{
ma_result result;
size_t lpfHeapSizeInBytes;
ma_lpf_config lpfConfig = ma_lpf_config_init(pConfig->format, pConfig->channels, 1, 1, pConfig->lpfOrder);
result = ma_lpf_get_heap_size(&lpfConfig, &lpfHeapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
pHeapLayout->sizeInBytes += lpfHeapSizeInBytes;
}
pHeapLayout->sizeInBytes = ma_align_64(pHeapLayout->sizeInBytes);
return MA_SUCCESS;
}
MA_API ma_result ma_linear_resampler_get_heap_size(const ma_linear_resampler_config* pConfig, size_t* pHeapSizeInBytes)
{
ma_result result;
ma_linear_resampler_heap_layout heapLayout;
if (pHeapSizeInBytes == NULL) {
return MA_INVALID_ARGS;
}
*pHeapSizeInBytes = 0;
result = ma_linear_resampler_get_heap_layout(pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return result;
}
*pHeapSizeInBytes = heapLayout.sizeInBytes;
return MA_SUCCESS;
}
MA_API ma_result ma_linear_resampler_init_preallocated(const ma_linear_resampler_config* pConfig, void* pHeap, ma_linear_resampler* pResampler)
{
ma_result result;
ma_linear_resampler_heap_layout heapLayout;
if (pResampler == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pResampler);
result = ma_linear_resampler_get_heap_layout(pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return result;
}
pResampler->config = *pConfig;
pResampler->_pHeap = pHeap;
MA_ZERO_MEMORY(pHeap, heapLayout.sizeInBytes);
if (pConfig->format == ma_format_f32) {
pResampler->x0.f32 = (float*)ma_offset_ptr(pHeap, heapLayout.x0Offset);
pResampler->x1.f32 = (float*)ma_offset_ptr(pHeap, heapLayout.x1Offset);
} else {
pResampler->x0.s16 = (ma_int16*)ma_offset_ptr(pHeap, heapLayout.x0Offset);
pResampler->x1.s16 = (ma_int16*)ma_offset_ptr(pHeap, heapLayout.x1Offset);
}
result = ma_linear_resampler_set_rate_internal(pResampler, pHeap, &heapLayout, pConfig->sampleRateIn, pConfig->sampleRateOut, MA_FALSE);
if (result != MA_SUCCESS) {
return result;
}
pResampler->inTimeInt = 1;
pResampler->inTimeFrac = 0;
return MA_SUCCESS;
}
MA_API ma_result ma_linear_resampler_init(const ma_linear_resampler_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_linear_resampler* pResampler)
{
ma_result result;
size_t heapSizeInBytes;
void* pHeap;
result = ma_linear_resampler_get_heap_size(pConfig, &heapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
if (heapSizeInBytes > 0) {
pHeap = ma_malloc(heapSizeInBytes, pAllocationCallbacks);
if (pHeap == NULL) {
return MA_OUT_OF_MEMORY;
}
} else {
pHeap = NULL;
}
result = ma_linear_resampler_init_preallocated(pConfig, pHeap, pResampler);
if (result != MA_SUCCESS) {
ma_free(pHeap, pAllocationCallbacks);
return result;
}
pResampler->_ownsHeap = MA_TRUE;
return MA_SUCCESS;
}
MA_API void ma_linear_resampler_uninit(ma_linear_resampler* pResampler, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pResampler == NULL) {
return;
}
ma_lpf_uninit(&pResampler->lpf, pAllocationCallbacks);
if (pResampler->_ownsHeap) {
ma_free(pResampler->_pHeap, pAllocationCallbacks);
}
}
static MA_INLINE ma_int16 ma_linear_resampler_mix_s16(ma_int16 x, ma_int16 y, ma_int32 a, const ma_int32 shift)
{
ma_int32 b;
ma_int32 c;
ma_int32 r;
MA_ASSERT(a <= (1<<shift));
b = x * ((1<<shift) - a);
c = y * a;
r = b + c;
return (ma_int16)(r >> shift);
}
static void ma_linear_resampler_interpolate_frame_s16(ma_linear_resampler* pResampler, ma_int16* MA_RESTRICT pFrameOut)
{
ma_uint32 c;
ma_uint32 a;
const ma_uint32 channels = pResampler->config.channels;
const ma_uint32 shift = 12;
MA_ASSERT(pResampler != NULL);
MA_ASSERT(pFrameOut != NULL);
a = (pResampler->inTimeFrac << shift) / pResampler->config.sampleRateOut;
MA_ASSUME(channels > 0);
for (c = 0; c < channels; c += 1) {
ma_int16 s = ma_linear_resampler_mix_s16(pResampler->x0.s16[c], pResampler->x1.s16[c], a, shift);
pFrameOut[c] = s;
}
}
static void ma_linear_resampler_interpolate_frame_f32(ma_linear_resampler* pResampler, float* MA_RESTRICT pFrameOut)
{
ma_uint32 c;
float a;
const ma_uint32 channels = pResampler->config.channels;
MA_ASSERT(pResampler != NULL);
MA_ASSERT(pFrameOut != NULL);
a = (float)pResampler->inTimeFrac / pResampler->config.sampleRateOut;
MA_ASSUME(channels > 0);
for (c = 0; c < channels; c += 1) {
float s = ma_mix_f32_fast(pResampler->x0.f32[c], pResampler->x1.f32[c], a);
pFrameOut[c] = s;
}
}
static ma_result ma_linear_resampler_process_pcm_frames_s16_downsample(ma_linear_resampler* pResampler, const void* pFramesIn, ma_uint64* pFrameCountIn, void* pFramesOut, ma_uint64* pFrameCountOut)
{
const ma_int16* pFramesInS16;
ma_int16* pFramesOutS16;
ma_uint64 frameCountIn;
ma_uint64 frameCountOut;
ma_uint64 framesProcessedIn;
ma_uint64 framesProcessedOut;
MA_ASSERT(pResampler != NULL);
MA_ASSERT(pFrameCountIn != NULL);
MA_ASSERT(pFrameCountOut != NULL);
pFramesInS16 = (const ma_int16*)pFramesIn;
pFramesOutS16 = ( ma_int16*)pFramesOut;
frameCountIn = *pFrameCountIn;
frameCountOut = *pFrameCountOut;
framesProcessedIn = 0;
framesProcessedOut = 0;
while (framesProcessedOut < frameCountOut) {
while (pResampler->inTimeInt > 0 && frameCountIn > framesProcessedIn) {
ma_uint32 iChannel;
if (pFramesInS16 != NULL) {
for (iChannel = 0; iChannel < pResampler->config.channels; iChannel += 1) {
pResampler->x0.s16[iChannel] = pResampler->x1.s16[iChannel];
pResampler->x1.s16[iChannel] = pFramesInS16[iChannel];
}
pFramesInS16 += pResampler->config.channels;
} else {
for (iChannel = 0; iChannel < pResampler->config.channels; iChannel += 1) {
pResampler->x0.s16[iChannel] = pResampler->x1.s16[iChannel];
pResampler->x1.s16[iChannel] = 0;
}
}
if (pResampler->config.sampleRateIn != pResampler->config.sampleRateOut) {
ma_lpf_process_pcm_frame_s16(&pResampler->lpf, pResampler->x1.s16, pResampler->x1.s16);
}
framesProcessedIn += 1;
pResampler->inTimeInt -= 1;
}
if (pResampler->inTimeInt > 0) {
break;
}
if (pFramesOutS16 != NULL) {
MA_ASSERT(pResampler->inTimeInt == 0);
ma_linear_resampler_interpolate_frame_s16(pResampler, pFramesOutS16);
pFramesOutS16 += pResampler->config.channels;
}
framesProcessedOut += 1;
pResampler->inTimeInt += pResampler->inAdvanceInt;
pResampler->inTimeFrac += pResampler->inAdvanceFrac;
if (pResampler->inTimeFrac >= pResampler->config.sampleRateOut) {
pResampler->inTimeFrac -= pResampler->config.sampleRateOut;
pResampler->inTimeInt += 1;
}
}
*pFrameCountIn = framesProcessedIn;
*pFrameCountOut = framesProcessedOut;
return MA_SUCCESS;
}
static ma_result ma_linear_resampler_process_pcm_frames_s16_upsample(ma_linear_resampler* pResampler, const void* pFramesIn, ma_uint64* pFrameCountIn, void* pFramesOut, ma_uint64* pFrameCountOut)
{
const ma_int16* pFramesInS16;
ma_int16* pFramesOutS16;
ma_uint64 frameCountIn;
ma_uint64 frameCountOut;
ma_uint64 framesProcessedIn;
ma_uint64 framesProcessedOut;
MA_ASSERT(pResampler != NULL);
MA_ASSERT(pFrameCountIn != NULL);
MA_ASSERT(pFrameCountOut != NULL);
pFramesInS16 = (const ma_int16*)pFramesIn;
pFramesOutS16 = ( ma_int16*)pFramesOut;
frameCountIn = *pFrameCountIn;
frameCountOut = *pFrameCountOut;
framesProcessedIn = 0;
framesProcessedOut = 0;
while (framesProcessedOut < frameCountOut) {
while (pResampler->inTimeInt > 0 && frameCountIn > framesProcessedIn) {
ma_uint32 iChannel;
if (pFramesInS16 != NULL) {
for (iChannel = 0; iChannel < pResampler->config.channels; iChannel += 1) {
pResampler->x0.s16[iChannel] = pResampler->x1.s16[iChannel];
pResampler->x1.s16[iChannel] = pFramesInS16[iChannel];
}
pFramesInS16 += pResampler->config.channels;
} else {
for (iChannel = 0; iChannel < pResampler->config.channels; iChannel += 1) {
pResampler->x0.s16[iChannel] = pResampler->x1.s16[iChannel];
pResampler->x1.s16[iChannel] = 0;
}
}
framesProcessedIn += 1;
pResampler->inTimeInt -= 1;
}
if (pResampler->inTimeInt > 0) {
break;
}
if (pFramesOutS16 != NULL) {
MA_ASSERT(pResampler->inTimeInt == 0);
ma_linear_resampler_interpolate_frame_s16(pResampler, pFramesOutS16);
if (pResampler->config.sampleRateIn != pResampler->config.sampleRateOut) {
ma_lpf_process_pcm_frame_s16(&pResampler->lpf, pFramesOutS16, pFramesOutS16);
}
pFramesOutS16 += pResampler->config.channels;
}
framesProcessedOut += 1;
pResampler->inTimeInt += pResampler->inAdvanceInt;
pResampler->inTimeFrac += pResampler->inAdvanceFrac;
if (pResampler->inTimeFrac >= pResampler->config.sampleRateOut) {
pResampler->inTimeFrac -= pResampler->config.sampleRateOut;
pResampler->inTimeInt += 1;
}
}
*pFrameCountIn = framesProcessedIn;
*pFrameCountOut = framesProcessedOut;
return MA_SUCCESS;
}
static ma_result ma_linear_resampler_process_pcm_frames_s16(ma_linear_resampler* pResampler, const void* pFramesIn, ma_uint64* pFrameCountIn, void* pFramesOut, ma_uint64* pFrameCountOut)
{
MA_ASSERT(pResampler != NULL);
if (pResampler->config.sampleRateIn > pResampler->config.sampleRateOut) {
return ma_linear_resampler_process_pcm_frames_s16_downsample(pResampler, pFramesIn, pFrameCountIn, pFramesOut, pFrameCountOut);
} else {
return ma_linear_resampler_process_pcm_frames_s16_upsample(pResampler, pFramesIn, pFrameCountIn, pFramesOut, pFrameCountOut);
}
}
static ma_result ma_linear_resampler_process_pcm_frames_f32_downsample(ma_linear_resampler* pResampler, const void* pFramesIn, ma_uint64* pFrameCountIn, void* pFramesOut, ma_uint64* pFrameCountOut)
{
const float* pFramesInF32;
float* pFramesOutF32;
ma_uint64 frameCountIn;
ma_uint64 frameCountOut;
ma_uint64 framesProcessedIn;
ma_uint64 framesProcessedOut;
MA_ASSERT(pResampler != NULL);
MA_ASSERT(pFrameCountIn != NULL);
MA_ASSERT(pFrameCountOut != NULL);
pFramesInF32 = (const float*)pFramesIn;
pFramesOutF32 = ( float*)pFramesOut;
frameCountIn = *pFrameCountIn;
frameCountOut = *pFrameCountOut;
framesProcessedIn = 0;
framesProcessedOut = 0;
while (framesProcessedOut < frameCountOut) {
while (pResampler->inTimeInt > 0 && frameCountIn > framesProcessedIn) {
ma_uint32 iChannel;
if (pFramesInF32 != NULL) {
for (iChannel = 0; iChannel < pResampler->config.channels; iChannel += 1) {
pResampler->x0.f32[iChannel] = pResampler->x1.f32[iChannel];
pResampler->x1.f32[iChannel] = pFramesInF32[iChannel];
}
pFramesInF32 += pResampler->config.channels;
} else {
for (iChannel = 0; iChannel < pResampler->config.channels; iChannel += 1) {
pResampler->x0.f32[iChannel] = pResampler->x1.f32[iChannel];
pResampler->x1.f32[iChannel] = 0;
}
}
if (pResampler->config.sampleRateIn != pResampler->config.sampleRateOut) {
ma_lpf_process_pcm_frame_f32(&pResampler->lpf, pResampler->x1.f32, pResampler->x1.f32);
}
framesProcessedIn += 1;
pResampler->inTimeInt -= 1;
}
if (pResampler->inTimeInt > 0) {
break;
}
if (pFramesOutF32 != NULL) {
MA_ASSERT(pResampler->inTimeInt == 0);
ma_linear_resampler_interpolate_frame_f32(pResampler, pFramesOutF32);
pFramesOutF32 += pResampler->config.channels;
}
framesProcessedOut += 1;
pResampler->inTimeInt += pResampler->inAdvanceInt;
pResampler->inTimeFrac += pResampler->inAdvanceFrac;
if (pResampler->inTimeFrac >= pResampler->config.sampleRateOut) {
pResampler->inTimeFrac -= pResampler->config.sampleRateOut;
pResampler->inTimeInt += 1;
}
}
*pFrameCountIn = framesProcessedIn;
*pFrameCountOut = framesProcessedOut;
return MA_SUCCESS;
}
static ma_result ma_linear_resampler_process_pcm_frames_f32_upsample(ma_linear_resampler* pResampler, const void* pFramesIn, ma_uint64* pFrameCountIn, void* pFramesOut, ma_uint64* pFrameCountOut)
{
const float* pFramesInF32;
float* pFramesOutF32;
ma_uint64 frameCountIn;
ma_uint64 frameCountOut;
ma_uint64 framesProcessedIn;
ma_uint64 framesProcessedOut;
MA_ASSERT(pResampler != NULL);
MA_ASSERT(pFrameCountIn != NULL);
MA_ASSERT(pFrameCountOut != NULL);
pFramesInF32 = (const float*)pFramesIn;
pFramesOutF32 = ( float*)pFramesOut;
frameCountIn = *pFrameCountIn;
frameCountOut = *pFrameCountOut;
framesProcessedIn = 0;
framesProcessedOut = 0;
while (framesProcessedOut < frameCountOut) {
while (pResampler->inTimeInt > 0 && frameCountIn > framesProcessedIn) {
ma_uint32 iChannel;
if (pFramesInF32 != NULL) {
for (iChannel = 0; iChannel < pResampler->config.channels; iChannel += 1) {
pResampler->x0.f32[iChannel] = pResampler->x1.f32[iChannel];
pResampler->x1.f32[iChannel] = pFramesInF32[iChannel];
}
pFramesInF32 += pResampler->config.channels;
} else {
for (iChannel = 0; iChannel < pResampler->config.channels; iChannel += 1) {
pResampler->x0.f32[iChannel] = pResampler->x1.f32[iChannel];
pResampler->x1.f32[iChannel] = 0;
}
}
framesProcessedIn += 1;
pResampler->inTimeInt -= 1;
}
if (pResampler->inTimeInt > 0) {
break;
}
if (pFramesOutF32 != NULL) {
MA_ASSERT(pResampler->inTimeInt == 0);
ma_linear_resampler_interpolate_frame_f32(pResampler, pFramesOutF32);
if (pResampler->config.sampleRateIn != pResampler->config.sampleRateOut) {
ma_lpf_process_pcm_frame_f32(&pResampler->lpf, pFramesOutF32, pFramesOutF32);
}
pFramesOutF32 += pResampler->config.channels;
}
framesProcessedOut += 1;
pResampler->inTimeInt += pResampler->inAdvanceInt;
pResampler->inTimeFrac += pResampler->inAdvanceFrac;
if (pResampler->inTimeFrac >= pResampler->config.sampleRateOut) {
pResampler->inTimeFrac -= pResampler->config.sampleRateOut;
pResampler->inTimeInt += 1;
}
}
*pFrameCountIn = framesProcessedIn;
*pFrameCountOut = framesProcessedOut;
return MA_SUCCESS;
}
static ma_result ma_linear_resampler_process_pcm_frames_f32(ma_linear_resampler* pResampler, const void* pFramesIn, ma_uint64* pFrameCountIn, void* pFramesOut, ma_uint64* pFrameCountOut)
{
MA_ASSERT(pResampler != NULL);
if (pResampler->config.sampleRateIn > pResampler->config.sampleRateOut) {
return ma_linear_resampler_process_pcm_frames_f32_downsample(pResampler, pFramesIn, pFrameCountIn, pFramesOut, pFrameCountOut);
} else {
return ma_linear_resampler_process_pcm_frames_f32_upsample(pResampler, pFramesIn, pFrameCountIn, pFramesOut, pFrameCountOut);
}
}
MA_API ma_result ma_linear_resampler_process_pcm_frames(ma_linear_resampler* pResampler, const void* pFramesIn, ma_uint64* pFrameCountIn, void* pFramesOut, ma_uint64* pFrameCountOut)
{
if (pResampler == NULL) {
return MA_INVALID_ARGS;
}
if (pResampler->config.format == ma_format_s16) {
return ma_linear_resampler_process_pcm_frames_s16(pResampler, pFramesIn, pFrameCountIn, pFramesOut, pFrameCountOut);
} else if (pResampler->config.format == ma_format_f32) {
return ma_linear_resampler_process_pcm_frames_f32(pResampler, pFramesIn, pFrameCountIn, pFramesOut, pFrameCountOut);
} else {
MA_ASSERT(MA_FALSE);
return MA_INVALID_ARGS;
}
}
MA_API ma_result ma_linear_resampler_set_rate(ma_linear_resampler* pResampler, ma_uint32 sampleRateIn, ma_uint32 sampleRateOut)
{
return ma_linear_resampler_set_rate_internal(pResampler, NULL, NULL, sampleRateIn, sampleRateOut, MA_TRUE);
}
MA_API ma_result ma_linear_resampler_set_rate_ratio(ma_linear_resampler* pResampler, float ratioInOut)
{
ma_uint32 n;
ma_uint32 d;
if (pResampler == NULL) {
return MA_INVALID_ARGS;
}
if (ratioInOut <= 0) {
return MA_INVALID_ARGS;
}
d = 1000000;
n = (ma_uint32)(ratioInOut * d);
if (n == 0) {
return MA_INVALID_ARGS;
}
MA_ASSERT(n != 0);
return ma_linear_resampler_set_rate(pResampler, n, d);
}
MA_API ma_uint64 ma_linear_resampler_get_input_latency(const ma_linear_resampler* pResampler)
{
if (pResampler == NULL) {
return 0;
}
return 1 + ma_lpf_get_latency(&pResampler->lpf);
}
MA_API ma_uint64 ma_linear_resampler_get_output_latency(const ma_linear_resampler* pResampler)
{
if (pResampler == NULL) {
return 0;
}
return ma_linear_resampler_get_input_latency(pResampler) * pResampler->config.sampleRateOut / pResampler->config.sampleRateIn;
}
MA_API ma_result ma_linear_resampler_get_required_input_frame_count(const ma_linear_resampler* pResampler, ma_uint64 outputFrameCount, ma_uint64* pInputFrameCount)
{
ma_uint64 inputFrameCount;
if (pInputFrameCount == NULL) {
return MA_INVALID_ARGS;
}
*pInputFrameCount = 0;
if (pResampler == NULL) {
return MA_INVALID_ARGS;
}
if (outputFrameCount == 0) {
return MA_SUCCESS;
}
inputFrameCount = pResampler->inTimeInt;
outputFrameCount -= 1;
inputFrameCount += outputFrameCount * pResampler->inAdvanceInt;
inputFrameCount += (pResampler->inTimeFrac + (outputFrameCount * pResampler->inAdvanceFrac)) / pResampler->config.sampleRateOut;
*pInputFrameCount = inputFrameCount;
return MA_SUCCESS;
}
MA_API ma_result ma_linear_resampler_get_expected_output_frame_count(const ma_linear_resampler* pResampler, ma_uint64 inputFrameCount, ma_uint64* pOutputFrameCount)
{
ma_uint64 outputFrameCount;
ma_uint64 preliminaryInputFrameCountFromFrac;
ma_uint64 preliminaryInputFrameCount;
if (pOutputFrameCount == NULL) {
return MA_INVALID_ARGS;
}
*pOutputFrameCount = 0;
if (pResampler == NULL) {
return MA_INVALID_ARGS;
}
outputFrameCount = (inputFrameCount * pResampler->config.sampleRateOut) / pResampler->config.sampleRateIn;
preliminaryInputFrameCountFromFrac = (pResampler->inTimeFrac + outputFrameCount*pResampler->inAdvanceFrac) / pResampler->config.sampleRateOut;
preliminaryInputFrameCount = (pResampler->inTimeInt + outputFrameCount*pResampler->inAdvanceInt ) + preliminaryInputFrameCountFromFrac;
if (preliminaryInputFrameCount <= inputFrameCount) {
outputFrameCount += 1;
}
*pOutputFrameCount = outputFrameCount;
return MA_SUCCESS;
}
MA_API ma_result ma_linear_resampler_reset(ma_linear_resampler* pResampler)
{
ma_uint32 iChannel;
if (pResampler == NULL) {
return MA_INVALID_ARGS;
}
pResampler->inTimeInt = 1;
pResampler->inTimeFrac = 0;
if (pResampler->config.format == ma_format_f32) {
for (iChannel = 0; iChannel < pResampler->config.channels; iChannel += 1) {
pResampler->x0.f32[iChannel] = 0;
pResampler->x1.f32[iChannel] = 0;
}
} else {
for (iChannel = 0; iChannel < pResampler->config.channels; iChannel += 1) {
pResampler->x0.s16[iChannel] = 0;
pResampler->x1.s16[iChannel] = 0;
}
}
ma_lpf_clear_cache(&pResampler->lpf);
return MA_SUCCESS;
}
static ma_linear_resampler_config ma_resampling_backend_get_config__linear(const ma_resampler_config* pConfig)
{
ma_linear_resampler_config linearConfig;
linearConfig = ma_linear_resampler_config_init(pConfig->format, pConfig->channels, pConfig->sampleRateIn, pConfig->sampleRateOut);
linearConfig.lpfOrder = pConfig->linear.lpfOrder;
return linearConfig;
}
static ma_result ma_resampling_backend_get_heap_size__linear(void* pUserData, const ma_resampler_config* pConfig, size_t* pHeapSizeInBytes)
{
ma_linear_resampler_config linearConfig;
(void)pUserData;
linearConfig = ma_resampling_backend_get_config__linear(pConfig);
return ma_linear_resampler_get_heap_size(&linearConfig, pHeapSizeInBytes);
}
static ma_result ma_resampling_backend_init__linear(void* pUserData, const ma_resampler_config* pConfig, void* pHeap, ma_resampling_backend** ppBackend)
{
ma_resampler* pResampler = (ma_resampler*)pUserData;
ma_result result;
ma_linear_resampler_config linearConfig;
(void)pUserData;
linearConfig = ma_resampling_backend_get_config__linear(pConfig);
result = ma_linear_resampler_init_preallocated(&linearConfig, pHeap, &pResampler->state.linear);
if (result != MA_SUCCESS) {
return result;
}
*ppBackend = &pResampler->state.linear;
return MA_SUCCESS;
}
static void ma_resampling_backend_uninit__linear(void* pUserData, ma_resampling_backend* pBackend, const ma_allocation_callbacks* pAllocationCallbacks)
{
(void)pUserData;
ma_linear_resampler_uninit((ma_linear_resampler*)pBackend, pAllocationCallbacks);
}
static ma_result ma_resampling_backend_process__linear(void* pUserData, ma_resampling_backend* pBackend, const void* pFramesIn, ma_uint64* pFrameCountIn, void* pFramesOut, ma_uint64* pFrameCountOut)
{
(void)pUserData;
return ma_linear_resampler_process_pcm_frames((ma_linear_resampler*)pBackend, pFramesIn, pFrameCountIn, pFramesOut, pFrameCountOut);
}
static ma_result ma_resampling_backend_set_rate__linear(void* pUserData, ma_resampling_backend* pBackend, ma_uint32 sampleRateIn, ma_uint32 sampleRateOut)
{
(void)pUserData;
return ma_linear_resampler_set_rate((ma_linear_resampler*)pBackend, sampleRateIn, sampleRateOut);
}
static ma_uint64 ma_resampling_backend_get_input_latency__linear(void* pUserData, const ma_resampling_backend* pBackend)
{
(void)pUserData;
return ma_linear_resampler_get_input_latency((const ma_linear_resampler*)pBackend);
}
static ma_uint64 ma_resampling_backend_get_output_latency__linear(void* pUserData, const ma_resampling_backend* pBackend)
{
(void)pUserData;
return ma_linear_resampler_get_output_latency((const ma_linear_resampler*)pBackend);
}
static ma_result ma_resampling_backend_get_required_input_frame_count__linear(void* pUserData, const ma_resampling_backend* pBackend, ma_uint64 outputFrameCount, ma_uint64* pInputFrameCount)
{
(void)pUserData;
return ma_linear_resampler_get_required_input_frame_count((const ma_linear_resampler*)pBackend, outputFrameCount, pInputFrameCount);
}
static ma_result ma_resampling_backend_get_expected_output_frame_count__linear(void* pUserData, const ma_resampling_backend* pBackend, ma_uint64 inputFrameCount, ma_uint64* pOutputFrameCount)
{
(void)pUserData;
return ma_linear_resampler_get_expected_output_frame_count((const ma_linear_resampler*)pBackend, inputFrameCount, pOutputFrameCount);
}
static ma_result ma_resampling_backend_reset__linear(void* pUserData, ma_resampling_backend* pBackend)
{
(void)pUserData;
return ma_linear_resampler_reset((ma_linear_resampler*)pBackend);
}
static ma_resampling_backend_vtable g_ma_linear_resampler_vtable =
{
ma_resampling_backend_get_heap_size__linear,
ma_resampling_backend_init__linear,
ma_resampling_backend_uninit__linear,
ma_resampling_backend_process__linear,
ma_resampling_backend_set_rate__linear,
ma_resampling_backend_get_input_latency__linear,
ma_resampling_backend_get_output_latency__linear,
ma_resampling_backend_get_required_input_frame_count__linear,
ma_resampling_backend_get_expected_output_frame_count__linear,
ma_resampling_backend_reset__linear
};
MA_API ma_resampler_config ma_resampler_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRateIn, ma_uint32 sampleRateOut, ma_resample_algorithm algorithm)
{
ma_resampler_config config;
MA_ZERO_OBJECT(&config);
config.format = format;
config.channels = channels;
config.sampleRateIn = sampleRateIn;
config.sampleRateOut = sampleRateOut;
config.algorithm = algorithm;
config.linear.lpfOrder = ma_min(MA_DEFAULT_RESAMPLER_LPF_ORDER, MA_MAX_FILTER_ORDER);
return config;
}
static ma_result ma_resampler_get_vtable(const ma_resampler_config* pConfig, ma_resampler* pResampler, ma_resampling_backend_vtable** ppVTable, void** ppUserData)
{
MA_ASSERT(pConfig != NULL);
MA_ASSERT(ppVTable != NULL);
MA_ASSERT(ppUserData != NULL);
*ppVTable = NULL;
*ppUserData = NULL;
switch (pConfig->algorithm)
{
case ma_resample_algorithm_linear:
{
*ppVTable = &g_ma_linear_resampler_vtable;
*ppUserData = pResampler;
} break;
case ma_resample_algorithm_custom:
{
*ppVTable = pConfig->pBackendVTable;
*ppUserData = pConfig->pBackendUserData;
} break;
default: return MA_INVALID_ARGS;
}
return MA_SUCCESS;
}
MA_API ma_result ma_resampler_get_heap_size(const ma_resampler_config* pConfig, size_t* pHeapSizeInBytes)
{
ma_result result;
ma_resampling_backend_vtable* pVTable;
void* pVTableUserData;
if (pHeapSizeInBytes == NULL) {
return MA_INVALID_ARGS;
}
*pHeapSizeInBytes = 0;
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
result = ma_resampler_get_vtable(pConfig, NULL, &pVTable, &pVTableUserData);
if (result != MA_SUCCESS) {
return result;
}
if (pVTable == NULL || pVTable->onGetHeapSize == NULL) {
return MA_NOT_IMPLEMENTED;
}
result = pVTable->onGetHeapSize(pVTableUserData, pConfig, pHeapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
return MA_SUCCESS;
}
MA_API ma_result ma_resampler_init_preallocated(const ma_resampler_config* pConfig, void* pHeap, ma_resampler* pResampler)
{
ma_result result;
if (pResampler == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pResampler);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
pResampler->_pHeap = pHeap;
pResampler->format = pConfig->format;
pResampler->channels = pConfig->channels;
pResampler->sampleRateIn = pConfig->sampleRateIn;
pResampler->sampleRateOut = pConfig->sampleRateOut;
result = ma_resampler_get_vtable(pConfig, pResampler, &pResampler->pBackendVTable, &pResampler->pBackendUserData);
if (result != MA_SUCCESS) {
return result;
}
if (pResampler->pBackendVTable == NULL || pResampler->pBackendVTable->onInit == NULL) {
return MA_NOT_IMPLEMENTED;
}
result = pResampler->pBackendVTable->onInit(pResampler->pBackendUserData, pConfig, pHeap, &pResampler->pBackend);
if (result != MA_SUCCESS) {
return result;
}
return MA_SUCCESS;
}
MA_API ma_result ma_resampler_init(const ma_resampler_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_resampler* pResampler)
{
ma_result result;
size_t heapSizeInBytes;
void* pHeap;
result = ma_resampler_get_heap_size(pConfig, &heapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
if (heapSizeInBytes > 0) {
pHeap = ma_malloc(heapSizeInBytes, pAllocationCallbacks);
if (pHeap == NULL) {
return MA_OUT_OF_MEMORY;
}
} else {
pHeap = NULL;
}
result = ma_resampler_init_preallocated(pConfig, pHeap, pResampler);
if (result != MA_SUCCESS) {
ma_free(pHeap, pAllocationCallbacks);
return result;
}
pResampler->_ownsHeap = MA_TRUE;
return MA_SUCCESS;
}
MA_API void ma_resampler_uninit(ma_resampler* pResampler, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pResampler == NULL) {
return;
}
if (pResampler->pBackendVTable == NULL || pResampler->pBackendVTable->onUninit == NULL) {
return;
}
pResampler->pBackendVTable->onUninit(pResampler->pBackendUserData, pResampler->pBackend, pAllocationCallbacks);
if (pResampler->_ownsHeap) {
ma_free(pResampler->_pHeap, pAllocationCallbacks);
}
}
MA_API ma_result ma_resampler_process_pcm_frames(ma_resampler* pResampler, const void* pFramesIn, ma_uint64* pFrameCountIn, void* pFramesOut, ma_uint64* pFrameCountOut)
{
if (pResampler == NULL) {
return MA_INVALID_ARGS;
}
if (pFrameCountOut == NULL && pFrameCountIn == NULL) {
return MA_INVALID_ARGS;
}
if (pResampler->pBackendVTable == NULL || pResampler->pBackendVTable->onProcess == NULL) {
return MA_NOT_IMPLEMENTED;
}
return pResampler->pBackendVTable->onProcess(pResampler->pBackendUserData, pResampler->pBackend, pFramesIn, pFrameCountIn, pFramesOut, pFrameCountOut);
}
MA_API ma_result ma_resampler_set_rate(ma_resampler* pResampler, ma_uint32 sampleRateIn, ma_uint32 sampleRateOut)
{
ma_result result;
if (pResampler == NULL) {
return MA_INVALID_ARGS;
}
if (sampleRateIn == 0 || sampleRateOut == 0) {
return MA_INVALID_ARGS;
}
if (pResampler->pBackendVTable == NULL || pResampler->pBackendVTable->onSetRate == NULL) {
return MA_NOT_IMPLEMENTED;
}
result = pResampler->pBackendVTable->onSetRate(pResampler->pBackendUserData, pResampler->pBackend, sampleRateIn, sampleRateOut);
if (result != MA_SUCCESS) {
return result;
}
pResampler->sampleRateIn = sampleRateIn;
pResampler->sampleRateOut = sampleRateOut;
return MA_SUCCESS;
}
MA_API ma_result ma_resampler_set_rate_ratio(ma_resampler* pResampler, float ratio)
{
ma_uint32 n;
ma_uint32 d;
if (pResampler == NULL) {
return MA_INVALID_ARGS;
}
if (ratio <= 0) {
return MA_INVALID_ARGS;
}
d = 1000;
n = (ma_uint32)(ratio * d);
if (n == 0) {
return MA_INVALID_ARGS;
}
MA_ASSERT(n != 0);
return ma_resampler_set_rate(pResampler, n, d);
}
MA_API ma_uint64 ma_resampler_get_input_latency(const ma_resampler* pResampler)
{
if (pResampler == NULL) {
return 0;
}
if (pResampler->pBackendVTable == NULL || pResampler->pBackendVTable->onGetInputLatency == NULL) {
return 0;
}
return pResampler->pBackendVTable->onGetInputLatency(pResampler->pBackendUserData, pResampler->pBackend);
}
MA_API ma_uint64 ma_resampler_get_output_latency(const ma_resampler* pResampler)
{
if (pResampler == NULL) {
return 0;
}
if (pResampler->pBackendVTable == NULL || pResampler->pBackendVTable->onGetOutputLatency == NULL) {
return 0;
}
return pResampler->pBackendVTable->onGetOutputLatency(pResampler->pBackendUserData, pResampler->pBackend);
}
MA_API ma_result ma_resampler_get_required_input_frame_count(const ma_resampler* pResampler, ma_uint64 outputFrameCount, ma_uint64* pInputFrameCount)
{
if (pInputFrameCount == NULL) {
return MA_INVALID_ARGS;
}
*pInputFrameCount = 0;
if (pResampler == NULL) {
return MA_INVALID_ARGS;
}
if (pResampler->pBackendVTable == NULL || pResampler->pBackendVTable->onGetRequiredInputFrameCount == NULL) {
return MA_NOT_IMPLEMENTED;
}
return pResampler->pBackendVTable->onGetRequiredInputFrameCount(pResampler->pBackendUserData, pResampler->pBackend, outputFrameCount, pInputFrameCount);
}
MA_API ma_result ma_resampler_get_expected_output_frame_count(const ma_resampler* pResampler, ma_uint64 inputFrameCount, ma_uint64* pOutputFrameCount)
{
if (pOutputFrameCount == NULL) {
return MA_INVALID_ARGS;
}
*pOutputFrameCount = 0;
if (pResampler == NULL) {
return MA_INVALID_ARGS;
}
if (pResampler->pBackendVTable == NULL || pResampler->pBackendVTable->onGetExpectedOutputFrameCount == NULL) {
return MA_NOT_IMPLEMENTED;
}
return pResampler->pBackendVTable->onGetExpectedOutputFrameCount(pResampler->pBackendUserData, pResampler->pBackend, inputFrameCount, pOutputFrameCount);
}
MA_API ma_result ma_resampler_reset(ma_resampler* pResampler)
{
if (pResampler == NULL) {
return MA_INVALID_ARGS;
}
if (pResampler->pBackendVTable == NULL || pResampler->pBackendVTable->onReset == NULL) {
return MA_NOT_IMPLEMENTED;
}
return pResampler->pBackendVTable->onReset(pResampler->pBackendUserData, pResampler->pBackend);
}
#ifndef MA_CHANNEL_CONVERTER_FIXED_POINT_SHIFT
#define MA_CHANNEL_CONVERTER_FIXED_POINT_SHIFT 12
#endif
#define MA_PLANE_LEFT 0
#define MA_PLANE_RIGHT 1
#define MA_PLANE_FRONT 2
#define MA_PLANE_BACK 3
#define MA_PLANE_BOTTOM 4
#define MA_PLANE_TOP 5
static float g_maChannelPlaneRatios[MA_CHANNEL_POSITION_COUNT][6] = {
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.5f, 0.0f, 0.5f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.5f, 0.5f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.5f, 0.0f, 0.0f, 0.5f, 0.0f, 0.0f},
{ 0.0f, 0.5f, 0.0f, 0.5f, 0.0f, 0.0f},
{ 0.25f, 0.0f, 0.75f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.25f, 0.75f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f},
{ 1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 1.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f},
{ 0.33f, 0.0f, 0.33f, 0.0f, 0.0f, 0.34f},
{ 0.0f, 0.0f, 0.5f, 0.0f, 0.0f, 0.5f},
{ 0.0f, 0.33f, 0.33f, 0.0f, 0.0f, 0.34f},
{ 0.33f, 0.0f, 0.0f, 0.33f, 0.0f, 0.34f},
{ 0.0f, 0.0f, 0.0f, 0.5f, 0.0f, 0.5f},
{ 0.0f, 0.33f, 0.0f, 0.33f, 0.0f, 0.34f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
{ 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f},
};
static float ma_calculate_channel_position_rectangular_weight(ma_channel channelPositionA, ma_channel channelPositionB)
{
float contribution =
g_maChannelPlaneRatios[channelPositionA][0] * g_maChannelPlaneRatios[channelPositionB][0] +
g_maChannelPlaneRatios[channelPositionA][1] * g_maChannelPlaneRatios[channelPositionB][1] +
g_maChannelPlaneRatios[channelPositionA][2] * g_maChannelPlaneRatios[channelPositionB][2] +
g_maChannelPlaneRatios[channelPositionA][3] * g_maChannelPlaneRatios[channelPositionB][3] +
g_maChannelPlaneRatios[channelPositionA][4] * g_maChannelPlaneRatios[channelPositionB][4] +
g_maChannelPlaneRatios[channelPositionA][5] * g_maChannelPlaneRatios[channelPositionB][5];
return contribution;
}
MA_API ma_channel_converter_config ma_channel_converter_config_init(ma_format format, ma_uint32 channelsIn, const ma_channel* pChannelMapIn, ma_uint32 channelsOut, const ma_channel* pChannelMapOut, ma_channel_mix_mode mixingMode)
{
ma_channel_converter_config config;
MA_ZERO_OBJECT(&config);
config.format = format;
config.channelsIn = channelsIn;
config.channelsOut = channelsOut;
config.pChannelMapIn = pChannelMapIn;
config.pChannelMapOut = pChannelMapOut;
config.mixingMode = mixingMode;
return config;
}
static ma_int32 ma_channel_converter_float_to_fixed(float x)
{
return (ma_int32)(x * (1<<MA_CHANNEL_CONVERTER_FIXED_POINT_SHIFT));
}
static ma_uint32 ma_channel_map_get_spatial_channel_count(const ma_channel* pChannelMap, ma_uint32 channels)
{
ma_uint32 spatialChannelCount = 0;
ma_uint32 iChannel;
MA_ASSERT(pChannelMap != NULL);
MA_ASSERT(channels > 0);
for (iChannel = 0; iChannel < channels; ++iChannel) {
if (ma_is_spatial_channel_position(ma_channel_map_get_channel(pChannelMap, channels, iChannel))) {
spatialChannelCount++;
}
}
return spatialChannelCount;
}
static ma_bool32 ma_is_spatial_channel_position(ma_channel channelPosition)
{
int i;
if (channelPosition == MA_CHANNEL_NONE || channelPosition == MA_CHANNEL_MONO || channelPosition == MA_CHANNEL_LFE) {
return MA_FALSE;
}
if (channelPosition >= MA_CHANNEL_AUX_0) {
return MA_FALSE;
}
for (i = 0; i < 6; ++i) {
if (g_maChannelPlaneRatios[channelPosition][i] != 0) {
return MA_TRUE;
}
}
return MA_FALSE;
}
static ma_bool32 ma_channel_map_is_passthrough(const ma_channel* pChannelMapIn, ma_uint32 channelsIn, const ma_channel* pChannelMapOut, ma_uint32 channelsOut)
{
if (channelsOut == channelsIn) {
return ma_channel_map_is_equal(pChannelMapOut, pChannelMapIn, channelsOut);
} else {
return MA_FALSE;
}
}
static ma_channel_conversion_path ma_channel_map_get_conversion_path(const ma_channel* pChannelMapIn, ma_uint32 channelsIn, const ma_channel* pChannelMapOut, ma_uint32 channelsOut, ma_channel_mix_mode mode)
{
if (ma_channel_map_is_passthrough(pChannelMapIn, channelsIn, pChannelMapOut, channelsOut)) {
return ma_channel_conversion_path_passthrough;
}
if (channelsOut == 1 && (pChannelMapOut == NULL || pChannelMapOut[0] == MA_CHANNEL_MONO)) {
return ma_channel_conversion_path_mono_out;
}
if (channelsIn == 1 && (pChannelMapIn == NULL || pChannelMapIn[0] == MA_CHANNEL_MONO)) {
return ma_channel_conversion_path_mono_in;
}
if (mode == ma_channel_mix_mode_custom_weights) {
return ma_channel_conversion_path_weights;
}
if (channelsIn == channelsOut) {
ma_uint32 iChannelIn;
ma_bool32 areAllChannelPositionsPresent = MA_TRUE;
for (iChannelIn = 0; iChannelIn < channelsIn; ++iChannelIn) {
ma_bool32 isInputChannelPositionInOutput = ma_channel_map_contains_channel_position(channelsOut, pChannelMapOut, ma_channel_map_get_channel(pChannelMapIn, channelsIn, iChannelIn));
if (!isInputChannelPositionInOutput) {
areAllChannelPositionsPresent = MA_FALSE;
break;
}
}
if (areAllChannelPositionsPresent) {
return ma_channel_conversion_path_shuffle;
}
}
return ma_channel_conversion_path_weights;
}
static ma_result ma_channel_map_build_shuffle_table(const ma_channel* pChannelMapIn, ma_uint32 channelCountIn, const ma_channel* pChannelMapOut, ma_uint32 channelCountOut, ma_uint8* pShuffleTable)
{
ma_uint32 iChannelIn;
ma_uint32 iChannelOut;
if (pShuffleTable == NULL || channelCountIn == 0 || channelCountOut == 0) {
return MA_INVALID_ARGS;
}
for (iChannelOut = 0; iChannelOut < channelCountOut; iChannelOut += 1) {
ma_channel channelOut;
pShuffleTable[iChannelOut] = MA_CHANNEL_INDEX_NULL;
channelOut = ma_channel_map_get_channel(pChannelMapOut, channelCountOut, iChannelOut);
for (iChannelIn = 0; iChannelIn < channelCountIn; iChannelIn += 1) {
ma_channel channelIn;
channelIn = ma_channel_map_get_channel(pChannelMapIn, channelCountIn, iChannelIn);
if (channelOut == channelIn) {
pShuffleTable[iChannelOut] = (ma_uint8)iChannelIn;
break;
}
switch (channelOut)
{
case MA_CHANNEL_FRONT_LEFT:
case MA_CHANNEL_SIDE_LEFT:
{
switch (channelIn) {
case MA_CHANNEL_FRONT_LEFT:
case MA_CHANNEL_SIDE_LEFT:
{
pShuffleTable[iChannelOut] = (ma_uint8)iChannelIn;
} break;
}
} break;
case MA_CHANNEL_FRONT_RIGHT:
case MA_CHANNEL_SIDE_RIGHT:
{
switch (channelIn) {
case MA_CHANNEL_FRONT_RIGHT:
case MA_CHANNEL_SIDE_RIGHT:
{
pShuffleTable[iChannelOut] = (ma_uint8)iChannelIn;
} break;
}
} break;
default: break;
}
}
}
return MA_SUCCESS;
}
static void ma_channel_map_apply_shuffle_table_u8(ma_uint8* pFramesOut, ma_uint32 channelsOut, const ma_uint8* pFramesIn, ma_uint32 channelsIn, ma_uint64 frameCount, const ma_uint8* pShuffleTable)
{
ma_uint64 iFrame;
ma_uint32 iChannelOut;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
for (iChannelOut = 0; iChannelOut < channelsOut; iChannelOut += 1) {
ma_uint8 iChannelIn = pShuffleTable[iChannelOut];
if (iChannelIn < channelsIn) {
pFramesOut[iChannelOut] = pFramesIn[iChannelIn];
} else {
pFramesOut[iChannelOut] = 0;
}
}
pFramesOut += channelsOut;
pFramesIn += channelsIn;
}
}
static void ma_channel_map_apply_shuffle_table_s16(ma_int16* pFramesOut, ma_uint32 channelsOut, const ma_int16* pFramesIn, ma_uint32 channelsIn, ma_uint64 frameCount, const ma_uint8* pShuffleTable)
{
ma_uint64 iFrame;
ma_uint32 iChannelOut;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
for (iChannelOut = 0; iChannelOut < channelsOut; iChannelOut += 1) {
ma_uint8 iChannelIn = pShuffleTable[iChannelOut];
if (iChannelIn < channelsIn) {
pFramesOut[iChannelOut] = pFramesIn[iChannelIn];
} else {
pFramesOut[iChannelOut] = 0;
}
}
pFramesOut += channelsOut;
pFramesIn += channelsIn;
}
}
static void ma_channel_map_apply_shuffle_table_s24(ma_uint8* pFramesOut, ma_uint32 channelsOut, const ma_uint8* pFramesIn, ma_uint32 channelsIn, ma_uint64 frameCount, const ma_uint8* pShuffleTable)
{
ma_uint64 iFrame;
ma_uint32 iChannelOut;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
for (iChannelOut = 0; iChannelOut < channelsOut; iChannelOut += 1) {
ma_uint8 iChannelIn = pShuffleTable[iChannelOut];
if (iChannelIn < channelsIn) {
pFramesOut[iChannelOut*3 + 0] = pFramesIn[iChannelIn*3 + 0];
pFramesOut[iChannelOut*3 + 1] = pFramesIn[iChannelIn*3 + 1];
pFramesOut[iChannelOut*3 + 2] = pFramesIn[iChannelIn*3 + 2];
} else {
pFramesOut[iChannelOut*3 + 0] = 0;
} pFramesOut[iChannelOut*3 + 1] = 0;
} pFramesOut[iChannelOut*3 + 2] = 0;
pFramesOut += channelsOut*3;
pFramesIn += channelsIn*3;
}
}
static void ma_channel_map_apply_shuffle_table_s32(ma_int32* pFramesOut, ma_uint32 channelsOut, const ma_int32* pFramesIn, ma_uint32 channelsIn, ma_uint64 frameCount, const ma_uint8* pShuffleTable)
{
ma_uint64 iFrame;
ma_uint32 iChannelOut;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
for (iChannelOut = 0; iChannelOut < channelsOut; iChannelOut += 1) {
ma_uint8 iChannelIn = pShuffleTable[iChannelOut];
if (iChannelIn < channelsIn) {
pFramesOut[iChannelOut] = pFramesIn[iChannelIn];
} else {
pFramesOut[iChannelOut] = 0;
}
}
pFramesOut += channelsOut;
pFramesIn += channelsIn;
}
}
static void ma_channel_map_apply_shuffle_table_f32(float* pFramesOut, ma_uint32 channelsOut, const float* pFramesIn, ma_uint32 channelsIn, ma_uint64 frameCount, const ma_uint8* pShuffleTable)
{
ma_uint64 iFrame;
ma_uint32 iChannelOut;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
for (iChannelOut = 0; iChannelOut < channelsOut; iChannelOut += 1) {
ma_uint8 iChannelIn = pShuffleTable[iChannelOut];
if (iChannelIn < channelsIn) {
pFramesOut[iChannelOut] = pFramesIn[iChannelIn];
} else {
pFramesOut[iChannelOut] = 0;
}
}
pFramesOut += channelsOut;
pFramesIn += channelsIn;
}
}
static ma_result ma_channel_map_apply_shuffle_table(void* pFramesOut, ma_uint32 channelsOut, const void* pFramesIn, ma_uint32 channelsIn, ma_uint64 frameCount, const ma_uint8* pShuffleTable, ma_format format)
{
if (pFramesOut == NULL || pFramesIn == NULL || channelsOut == 0 || pShuffleTable == NULL) {
return MA_INVALID_ARGS;
}
switch (format)
{
case ma_format_u8:
{
ma_channel_map_apply_shuffle_table_u8((ma_uint8*)pFramesOut, channelsOut, (const ma_uint8*)pFramesIn, channelsIn, frameCount, pShuffleTable);
} break;
case ma_format_s16:
{
ma_channel_map_apply_shuffle_table_s16((ma_int16*)pFramesOut, channelsOut, (const ma_int16*)pFramesIn, channelsIn, frameCount, pShuffleTable);
} break;
case ma_format_s24:
{
ma_channel_map_apply_shuffle_table_s24((ma_uint8*)pFramesOut, channelsOut, (const ma_uint8*)pFramesIn, channelsIn, frameCount, pShuffleTable);
} break;
case ma_format_s32:
{
ma_channel_map_apply_shuffle_table_s32((ma_int32*)pFramesOut, channelsOut, (const ma_int32*)pFramesIn, channelsIn, frameCount, pShuffleTable);
} break;
case ma_format_f32:
{
ma_channel_map_apply_shuffle_table_f32((float*)pFramesOut, channelsOut, (const float*)pFramesIn, channelsIn, frameCount, pShuffleTable);
} break;
default: return MA_INVALID_ARGS;
}
return MA_SUCCESS;
}
static ma_result ma_channel_map_apply_mono_out_f32(float* pFramesOut, const float* pFramesIn, const ma_channel* pChannelMapIn, ma_uint32 channelsIn, ma_uint64 frameCount)
{
ma_uint64 iFrame;
ma_uint32 iChannelIn;
ma_uint32 accumulationCount;
if (pFramesOut == NULL || pFramesIn == NULL || channelsIn == 0) {
return MA_INVALID_ARGS;
}
accumulationCount = 0;
for (iChannelIn = 0; iChannelIn < channelsIn; iChannelIn += 1) {
if (ma_channel_map_get_channel(pChannelMapIn, channelsIn, iChannelIn) != MA_CHANNEL_NONE) {
accumulationCount += 1;
}
}
if (accumulationCount > 0) {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
float accumulation = 0;
for (iChannelIn = 0; iChannelIn < channelsIn; iChannelIn += 1) {
ma_channel channelIn = ma_channel_map_get_channel(pChannelMapIn, channelsIn, iChannelIn);
if (channelIn != MA_CHANNEL_NONE) {
accumulation += pFramesIn[iChannelIn];
}
}
pFramesOut[0] = accumulation / accumulationCount;
pFramesOut += 1;
pFramesIn += channelsIn;
}
} else {
ma_silence_pcm_frames(pFramesOut, frameCount, ma_format_f32, 1);
}
return MA_SUCCESS;
}
static ma_result ma_channel_map_apply_mono_in_f32(float* MA_RESTRICT pFramesOut, const ma_channel* pChannelMapOut, ma_uint32 channelsOut, const float* MA_RESTRICT pFramesIn, ma_uint64 frameCount, ma_mono_expansion_mode monoExpansionMode)
{
ma_uint64 iFrame;
ma_uint32 iChannelOut;
if (pFramesOut == NULL || channelsOut == 0 || pFramesIn == NULL) {
return MA_INVALID_ARGS;
}
switch (monoExpansionMode)
{
case ma_mono_expansion_mode_average:
{
float weight;
ma_uint32 validChannelCount = 0;
for (iChannelOut = 0; iChannelOut < channelsOut; iChannelOut += 1) {
ma_channel channelOut = ma_channel_map_get_channel(pChannelMapOut, channelsOut, iChannelOut);
if (channelOut != MA_CHANNEL_NONE) {
validChannelCount += 1;
}
}
weight = 1.0f / validChannelCount;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
for (iChannelOut = 0; iChannelOut < channelsOut; iChannelOut += 1) {
ma_channel channelOut = ma_channel_map_get_channel(pChannelMapOut, channelsOut, iChannelOut);
if (channelOut != MA_CHANNEL_NONE) {
pFramesOut[iChannelOut] = pFramesIn[0] * weight;
}
}
pFramesOut += channelsOut;
pFramesIn += 1;
}
} break;
case ma_mono_expansion_mode_stereo_only:
{
if (channelsOut >= 2) {
ma_uint32 iChannelLeft = (ma_uint32)-1;
ma_uint32 iChannelRight = (ma_uint32)-1;
for (iChannelOut = 0; iChannelOut < channelsOut; iChannelOut += 1) {
ma_channel channelOut = ma_channel_map_get_channel(pChannelMapOut, channelsOut, iChannelOut);
if (channelOut == MA_CHANNEL_SIDE_LEFT) {
iChannelLeft = iChannelOut;
}
if (channelOut == MA_CHANNEL_SIDE_RIGHT) {
iChannelRight = iChannelOut;
}
}
for (iChannelOut = 0; iChannelOut < channelsOut; iChannelOut += 1) {
ma_channel channelOut = ma_channel_map_get_channel(pChannelMapOut, channelsOut, iChannelOut);
if (channelOut == MA_CHANNEL_FRONT_LEFT) {
iChannelLeft = iChannelOut;
}
if (channelOut == MA_CHANNEL_FRONT_RIGHT) {
iChannelRight = iChannelOut;
}
}
if (iChannelLeft != (ma_uint32)-1 && iChannelRight != (ma_uint32)-1) {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
for (iChannelOut = 0; iChannelOut < channelsOut; iChannelOut += 1) {
ma_channel channelOut = ma_channel_map_get_channel(pChannelMapOut, channelsOut, iChannelOut);
if (channelOut != MA_CHANNEL_NONE) {
if (iChannelOut == iChannelLeft || iChannelOut == iChannelRight) {
pFramesOut[iChannelOut] = pFramesIn[0];
} else {
pFramesOut[iChannelOut] = 0.0f;
}
}
}
pFramesOut += channelsOut;
pFramesIn += 1;
}
break;
} else {
goto default_handler;
}
} else {
goto default_handler;
}
};
case ma_mono_expansion_mode_duplicate:
default:
{
default_handler:
{
if (channelsOut <= MA_MAX_CHANNELS) {
ma_bool32 hasEmptyChannel = MA_FALSE;
ma_channel channelPositions[MA_MAX_CHANNELS];
for (iChannelOut = 0; iChannelOut < channelsOut; iChannelOut += 1) {
channelPositions[iChannelOut] = ma_channel_map_get_channel(pChannelMapOut, channelsOut, iChannelOut);
if (channelPositions[iChannelOut] == MA_CHANNEL_NONE) {
hasEmptyChannel = MA_TRUE;
}
}
if (hasEmptyChannel == MA_FALSE) {
if (channelsOut == 2) {
#if defined(MA_SUPPORT_SSE2)
if (ma_has_sse2()) {
ma_uint64 unrolledFrameCount = frameCount >> 1;
for (iFrame = 0; iFrame < unrolledFrameCount; iFrame += 1) {
__m128 in0 = _mm_set1_ps(pFramesIn[iFrame*2 + 0]);
__m128 in1 = _mm_set1_ps(pFramesIn[iFrame*2 + 1]);
_mm_storeu_ps(&pFramesOut[iFrame*4 + 0], _mm_shuffle_ps(in0, in1, _MM_SHUFFLE(0, 0, 0, 0)));
}
iFrame = unrolledFrameCount << 1;
goto generic_on_fastpath;
} else
#endif
{
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
for (iChannelOut = 0; iChannelOut < 2; iChannelOut += 1) {
pFramesOut[iFrame*2 + iChannelOut] = pFramesIn[iFrame];
}
}
}
} else if (channelsOut == 6) {
#if defined(MA_SUPPORT_SSE2)
if (ma_has_sse2()) {
ma_uint64 unrolledFrameCount = frameCount >> 1;
for (iFrame = 0; iFrame < unrolledFrameCount; iFrame += 1) {
__m128 in0 = _mm_set1_ps(pFramesIn[iFrame*2 + 0]);
__m128 in1 = _mm_set1_ps(pFramesIn[iFrame*2 + 1]);
_mm_storeu_ps(&pFramesOut[iFrame*12 + 0], in0);
_mm_storeu_ps(&pFramesOut[iFrame*12 + 4], _mm_shuffle_ps(in0, in1, _MM_SHUFFLE(0, 0, 0, 0)));
_mm_storeu_ps(&pFramesOut[iFrame*12 + 8], in1);
}
iFrame = unrolledFrameCount << 1;
goto generic_on_fastpath;
} else
#endif
{
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
for (iChannelOut = 0; iChannelOut < 6; iChannelOut += 1) {
pFramesOut[iFrame*6 + iChannelOut] = pFramesIn[iFrame];
}
}
}
} else if (channelsOut == 8) {
#if defined(MA_SUPPORT_SSE2)
if (ma_has_sse2()) {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
__m128 in = _mm_set1_ps(pFramesIn[iFrame]);
_mm_storeu_ps(&pFramesOut[iFrame*8 + 0], in);
_mm_storeu_ps(&pFramesOut[iFrame*8 + 4], in);
}
} else
#endif
{
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
for (iChannelOut = 0; iChannelOut < 8; iChannelOut += 1) {
pFramesOut[iFrame*8 + iChannelOut] = pFramesIn[iFrame];
}
}
}
} else {
iFrame = 0;
#if defined(MA_SUPPORT_SSE2)
generic_on_fastpath:
#endif
{
for (; iFrame < frameCount; iFrame += 1) {
for (iChannelOut = 0; iChannelOut < channelsOut; iChannelOut += 1) {
pFramesOut[iFrame*channelsOut + iChannelOut] = pFramesIn[iFrame];
}
}
}
}
} else {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
for (iChannelOut = 0; iChannelOut < channelsOut; iChannelOut += 1) {
if (channelPositions[iChannelOut] != MA_CHANNEL_NONE) {
pFramesOut[iFrame*channelsOut + iChannelOut] = pFramesIn[iFrame];
}
}
}
}
} else {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
for (iChannelOut = 0; iChannelOut < channelsOut; iChannelOut += 1) {
ma_channel channelOut = ma_channel_map_get_channel(pChannelMapOut, channelsOut, iChannelOut);
if (channelOut != MA_CHANNEL_NONE) {
pFramesOut[iFrame*channelsOut + iChannelOut] = pFramesIn[iFrame];
}
}
}
}
}
} break;
}
return MA_SUCCESS;
}
static void ma_channel_map_apply_f32(float* pFramesOut, const ma_channel* pChannelMapOut, ma_uint32 channelsOut, const float* pFramesIn, const ma_channel* pChannelMapIn, ma_uint32 channelsIn, ma_uint64 frameCount, ma_channel_mix_mode mode, ma_mono_expansion_mode monoExpansionMode)
{
ma_channel_conversion_path conversionPath = ma_channel_map_get_conversion_path(pChannelMapIn, channelsIn, pChannelMapOut, channelsOut, mode);
if (conversionPath == ma_channel_conversion_path_passthrough) {
ma_copy_pcm_frames(pFramesOut, pFramesIn, frameCount, ma_format_f32, channelsOut);
return;
}
if (conversionPath == ma_channel_conversion_path_mono_out) {
ma_channel_map_apply_mono_out_f32(pFramesOut, pFramesIn, pChannelMapIn, channelsIn, frameCount);
return;
}
if (conversionPath == ma_channel_conversion_path_mono_in) {
ma_channel_map_apply_mono_in_f32(pFramesOut, pChannelMapOut, channelsOut, pFramesIn, frameCount, monoExpansionMode);
return;
}
if (channelsOut <= MA_MAX_CHANNELS) {
ma_result result;
if (mode == ma_channel_mix_mode_simple) {
ma_channel shuffleTable[MA_MAX_CHANNELS];
result = ma_channel_map_build_shuffle_table(pChannelMapIn, channelsIn, pChannelMapOut, channelsOut, shuffleTable);
if (result != MA_SUCCESS) {
return;
}
result = ma_channel_map_apply_shuffle_table(pFramesOut, channelsOut, pFramesIn, channelsIn, frameCount, shuffleTable, ma_format_f32);
if (result != MA_SUCCESS) {
return;
}
} else {
ma_uint32 iFrame;
ma_uint32 iChannelOut;
ma_uint32 iChannelIn;
float weights[32][32];
if (channelsIn <= ma_countof(weights) && channelsOut <= ma_countof(weights)) {
for (iChannelOut = 0; iChannelOut < channelsOut; iChannelOut += 1) {
ma_channel channelOut = ma_channel_map_get_channel(pChannelMapOut, channelsOut, iChannelOut);
for (iChannelIn = 0; iChannelIn < channelsIn; iChannelIn += 1) {
ma_channel channelIn = ma_channel_map_get_channel(pChannelMapIn, channelsIn, iChannelIn);
weights[iChannelOut][iChannelIn] = ma_calculate_channel_position_rectangular_weight(channelOut, channelIn);
}
}
iFrame = 0;
if (channelsOut == 8) {
if (channelsIn == 2) {
for (; iFrame < frameCount; iFrame += 1) {
float accumulation[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
accumulation[0] += pFramesIn[iFrame*2 + 0] * weights[0][0];
accumulation[1] += pFramesIn[iFrame*2 + 0] * weights[1][0];
accumulation[2] += pFramesIn[iFrame*2 + 0] * weights[2][0];
accumulation[3] += pFramesIn[iFrame*2 + 0] * weights[3][0];
accumulation[4] += pFramesIn[iFrame*2 + 0] * weights[4][0];
accumulation[5] += pFramesIn[iFrame*2 + 0] * weights[5][0];
accumulation[6] += pFramesIn[iFrame*2 + 0] * weights[6][0];
accumulation[7] += pFramesIn[iFrame*2 + 0] * weights[7][0];
accumulation[0] += pFramesIn[iFrame*2 + 1] * weights[0][1];
accumulation[1] += pFramesIn[iFrame*2 + 1] * weights[1][1];
accumulation[2] += pFramesIn[iFrame*2 + 1] * weights[2][1];
accumulation[3] += pFramesIn[iFrame*2 + 1] * weights[3][1];
accumulation[4] += pFramesIn[iFrame*2 + 1] * weights[4][1];
accumulation[5] += pFramesIn[iFrame*2 + 1] * weights[5][1];
accumulation[6] += pFramesIn[iFrame*2 + 1] * weights[6][1];
accumulation[7] += pFramesIn[iFrame*2 + 1] * weights[7][1];
pFramesOut[iFrame*8 + 0] = accumulation[0];
pFramesOut[iFrame*8 + 1] = accumulation[1];
pFramesOut[iFrame*8 + 2] = accumulation[2];
pFramesOut[iFrame*8 + 3] = accumulation[3];
pFramesOut[iFrame*8 + 4] = accumulation[4];
pFramesOut[iFrame*8 + 5] = accumulation[5];
pFramesOut[iFrame*8 + 6] = accumulation[6];
pFramesOut[iFrame*8 + 7] = accumulation[7];
}
} else {
for (; iFrame < frameCount; iFrame += 1) {
float accumulation[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
for (iChannelIn = 0; iChannelIn < channelsIn; iChannelIn += 1) {
accumulation[0] += pFramesIn[iFrame*channelsIn + iChannelIn] * weights[0][iChannelIn];
accumulation[1] += pFramesIn[iFrame*channelsIn + iChannelIn] * weights[1][iChannelIn];
accumulation[2] += pFramesIn[iFrame*channelsIn + iChannelIn] * weights[2][iChannelIn];
accumulation[3] += pFramesIn[iFrame*channelsIn + iChannelIn] * weights[3][iChannelIn];
accumulation[4] += pFramesIn[iFrame*channelsIn + iChannelIn] * weights[4][iChannelIn];
accumulation[5] += pFramesIn[iFrame*channelsIn + iChannelIn] * weights[5][iChannelIn];
accumulation[6] += pFramesIn[iFrame*channelsIn + iChannelIn] * weights[6][iChannelIn];
accumulation[7] += pFramesIn[iFrame*channelsIn + iChannelIn] * weights[7][iChannelIn];
}
pFramesOut[iFrame*8 + 0] = accumulation[0];
pFramesOut[iFrame*8 + 1] = accumulation[1];
pFramesOut[iFrame*8 + 2] = accumulation[2];
pFramesOut[iFrame*8 + 3] = accumulation[3];
pFramesOut[iFrame*8 + 4] = accumulation[4];
pFramesOut[iFrame*8 + 5] = accumulation[5];
pFramesOut[iFrame*8 + 6] = accumulation[6];
pFramesOut[iFrame*8 + 7] = accumulation[7];
}
}
} else if (channelsOut == 6) {
for (; iFrame < frameCount; iFrame += 1) {
float accumulation[12] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
for (iChannelIn = 0; iChannelIn < channelsIn; iChannelIn += 1) {
accumulation[0] += pFramesIn[iFrame*channelsIn + iChannelIn] * weights[0][iChannelIn];
accumulation[1] += pFramesIn[iFrame*channelsIn + iChannelIn] * weights[1][iChannelIn];
accumulation[2] += pFramesIn[iFrame*channelsIn + iChannelIn] * weights[2][iChannelIn];
accumulation[3] += pFramesIn[iFrame*channelsIn + iChannelIn] * weights[3][iChannelIn];
accumulation[4] += pFramesIn[iFrame*channelsIn + iChannelIn] * weights[4][iChannelIn];
accumulation[5] += pFramesIn[iFrame*channelsIn + iChannelIn] * weights[5][iChannelIn];
}
pFramesOut[iFrame*6 + 0] = accumulation[0];
pFramesOut[iFrame*6 + 1] = accumulation[1];
pFramesOut[iFrame*6 + 2] = accumulation[2];
pFramesOut[iFrame*6 + 3] = accumulation[3];
pFramesOut[iFrame*6 + 4] = accumulation[4];
pFramesOut[iFrame*6 + 5] = accumulation[5];
}
}
for (; iFrame < frameCount; iFrame += 1) {
for (iChannelOut = 0; iChannelOut < channelsOut; iChannelOut += 1) {
float accumulation = 0;
for (iChannelIn = 0; iChannelIn < channelsIn; iChannelIn += 1) {
accumulation += pFramesIn[iFrame*channelsIn + iChannelIn] * weights[iChannelOut][iChannelIn];
}
pFramesOut[iFrame*channelsOut + iChannelOut] = accumulation;
}
}
} else {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
for (iChannelOut = 0; iChannelOut < channelsOut; iChannelOut += 1) {
float accumulation = 0;
ma_channel channelOut = ma_channel_map_get_channel(pChannelMapOut, channelsOut, iChannelOut);
for (iChannelIn = 0; iChannelIn < channelsIn; iChannelIn += 1) {
ma_channel channelIn = ma_channel_map_get_channel(pChannelMapIn, channelsIn, iChannelIn);
accumulation += pFramesIn[iFrame*channelsIn + iChannelIn] * ma_calculate_channel_position_rectangular_weight(channelOut, channelIn);
}
pFramesOut[iFrame*channelsOut + iChannelOut] = accumulation;
}
}
}
}
} else {
ma_silence_pcm_frames(pFramesOut, frameCount, ma_format_f32, channelsOut);
}
}
typedef struct
{
size_t sizeInBytes;
size_t channelMapInOffset;
size_t channelMapOutOffset;
size_t shuffleTableOffset;
size_t weightsOffset;
} ma_channel_converter_heap_layout;
static ma_channel_conversion_path ma_channel_converter_config_get_conversion_path(const ma_channel_converter_config* pConfig)
{
return ma_channel_map_get_conversion_path(pConfig->pChannelMapIn, pConfig->channelsIn, pConfig->pChannelMapOut, pConfig->channelsOut, pConfig->mixingMode);
}
static ma_result ma_channel_converter_get_heap_layout(const ma_channel_converter_config* pConfig, ma_channel_converter_heap_layout* pHeapLayout)
{
ma_channel_conversion_path conversionPath;
MA_ASSERT(pHeapLayout != NULL);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->channelsIn == 0 || pConfig->channelsOut == 0) {
return MA_INVALID_ARGS;
}
if (!ma_channel_map_is_valid(pConfig->pChannelMapIn, pConfig->channelsIn)) {
return MA_INVALID_ARGS;
}
if (!ma_channel_map_is_valid(pConfig->pChannelMapOut, pConfig->channelsOut)) {
return MA_INVALID_ARGS;
}
pHeapLayout->sizeInBytes = 0;
pHeapLayout->channelMapInOffset = pHeapLayout->sizeInBytes;
if (pConfig->pChannelMapIn != NULL) {
pHeapLayout->sizeInBytes += sizeof(ma_channel) * pConfig->channelsIn;
}
pHeapLayout->channelMapOutOffset = pHeapLayout->sizeInBytes;
if (pConfig->pChannelMapOut != NULL) {
pHeapLayout->sizeInBytes += sizeof(ma_channel) * pConfig->channelsOut;
}
pHeapLayout->sizeInBytes = ma_align_64(pHeapLayout->sizeInBytes);
conversionPath = ma_channel_converter_config_get_conversion_path(pConfig);
pHeapLayout->shuffleTableOffset = pHeapLayout->sizeInBytes;
if (conversionPath == ma_channel_conversion_path_shuffle) {
pHeapLayout->sizeInBytes += sizeof(ma_uint8) * pConfig->channelsOut;
}
pHeapLayout->weightsOffset = pHeapLayout->sizeInBytes;
if (conversionPath == ma_channel_conversion_path_weights) {
pHeapLayout->sizeInBytes += sizeof(float*) * pConfig->channelsIn;
pHeapLayout->sizeInBytes += sizeof(float ) * pConfig->channelsIn * pConfig->channelsOut;
}
pHeapLayout->sizeInBytes = ma_align_64(pHeapLayout->sizeInBytes);
return MA_SUCCESS;
}
MA_API ma_result ma_channel_converter_get_heap_size(const ma_channel_converter_config* pConfig, size_t* pHeapSizeInBytes)
{
ma_result result;
ma_channel_converter_heap_layout heapLayout;
if (pHeapSizeInBytes == NULL) {
return MA_INVALID_ARGS;
}
*pHeapSizeInBytes = 0;
result = ma_channel_converter_get_heap_layout(pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return result;
}
*pHeapSizeInBytes = heapLayout.sizeInBytes;
return MA_SUCCESS;
}
MA_API ma_result ma_channel_converter_init_preallocated(const ma_channel_converter_config* pConfig, void* pHeap, ma_channel_converter* pConverter)
{
ma_result result;
ma_channel_converter_heap_layout heapLayout;
if (pConverter == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pConverter);
result = ma_channel_converter_get_heap_layout(pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return result;
}
pConverter->_pHeap = pHeap;
MA_ZERO_MEMORY(pConverter->_pHeap, heapLayout.sizeInBytes);
pConverter->format = pConfig->format;
pConverter->channelsIn = pConfig->channelsIn;
pConverter->channelsOut = pConfig->channelsOut;
pConverter->mixingMode = pConfig->mixingMode;
if (pConfig->pChannelMapIn != NULL) {
pConverter->pChannelMapIn = (ma_channel*)ma_offset_ptr(pHeap, heapLayout.channelMapInOffset);
ma_channel_map_copy_or_default(pConverter->pChannelMapIn, pConfig->channelsIn, pConfig->pChannelMapIn, pConfig->channelsIn);
} else {
pConverter->pChannelMapIn = NULL;
}
if (pConfig->pChannelMapOut != NULL) {
pConverter->pChannelMapOut = (ma_channel*)ma_offset_ptr(pHeap, heapLayout.channelMapOutOffset);
ma_channel_map_copy_or_default(pConverter->pChannelMapOut, pConfig->channelsOut, pConfig->pChannelMapOut, pConfig->channelsOut);
} else {
pConverter->pChannelMapOut = NULL;
}
pConverter->conversionPath = ma_channel_converter_config_get_conversion_path(pConfig);
if (pConverter->conversionPath == ma_channel_conversion_path_shuffle) {
pConverter->pShuffleTable = (ma_uint8*)ma_offset_ptr(pHeap, heapLayout.shuffleTableOffset);
ma_channel_map_build_shuffle_table(pConverter->pChannelMapIn, pConverter->channelsIn, pConverter->pChannelMapOut, pConverter->channelsOut, pConverter->pShuffleTable);
}
if (pConverter->conversionPath == ma_channel_conversion_path_weights) {
ma_uint32 iChannelIn;
ma_uint32 iChannelOut;
if (pConverter->format == ma_format_f32) {
pConverter->weights.f32 = (float** )ma_offset_ptr(pHeap, heapLayout.weightsOffset);
for (iChannelIn = 0; iChannelIn < pConverter->channelsIn; iChannelIn += 1) {
pConverter->weights.f32[iChannelIn] = (float*)ma_offset_ptr(pHeap, heapLayout.weightsOffset + ((sizeof(float*) * pConverter->channelsIn) + (sizeof(float) * pConverter->channelsOut * iChannelIn)));
}
} else {
pConverter->weights.s16 = (ma_int32**)ma_offset_ptr(pHeap, heapLayout.weightsOffset);
for (iChannelIn = 0; iChannelIn < pConverter->channelsIn; iChannelIn += 1) {
pConverter->weights.s16[iChannelIn] = (ma_int32*)ma_offset_ptr(pHeap, heapLayout.weightsOffset + ((sizeof(ma_int32*) * pConverter->channelsIn) + (sizeof(ma_int32) * pConverter->channelsOut * iChannelIn)));
}
}
for (iChannelIn = 0; iChannelIn < pConverter->channelsIn; iChannelIn += 1) {
for (iChannelOut = 0; iChannelOut < pConverter->channelsOut; iChannelOut += 1) {
if (pConverter->format == ma_format_f32) {
pConverter->weights.f32[iChannelIn][iChannelOut] = 0.0f;
} else {
pConverter->weights.s16[iChannelIn][iChannelOut] = 0;
}
}
}
for (iChannelIn = 0; iChannelIn < pConverter->channelsIn; ++iChannelIn) {
ma_channel channelPosIn = ma_channel_map_get_channel(pConverter->pChannelMapIn, pConverter->channelsIn, iChannelIn);
for (iChannelOut = 0; iChannelOut < pConverter->channelsOut; ++iChannelOut) {
ma_channel channelPosOut = ma_channel_map_get_channel(pConverter->pChannelMapOut, pConverter->channelsOut, iChannelOut);
if (channelPosIn == channelPosOut) {
float weight = 1;
if (pConverter->format == ma_format_f32) {
pConverter->weights.f32[iChannelIn][iChannelOut] = weight;
} else {
pConverter->weights.s16[iChannelIn][iChannelOut] = ma_channel_converter_float_to_fixed(weight);
}
}
}
}
switch (pConverter->mixingMode)
{
case ma_channel_mix_mode_custom_weights:
{
if (pConfig->ppWeights == NULL) {
return MA_INVALID_ARGS;
}
for (iChannelIn = 0; iChannelIn < pConverter->channelsIn; iChannelIn += 1) {
for (iChannelOut = 0; iChannelOut < pConverter->channelsOut; iChannelOut += 1) {
float weight = pConfig->ppWeights[iChannelIn][iChannelOut];
if (pConverter->format == ma_format_f32) {
pConverter->weights.f32[iChannelIn][iChannelOut] = weight;
} else {
pConverter->weights.s16[iChannelIn][iChannelOut] = ma_channel_converter_float_to_fixed(weight);
}
}
}
} break;
case ma_channel_mix_mode_simple:
{
} break;
case ma_channel_mix_mode_rectangular:
default:
{
for (iChannelIn = 0; iChannelIn < pConverter->channelsIn; ++iChannelIn) {
ma_channel channelPosIn = ma_channel_map_get_channel(pConverter->pChannelMapIn, pConverter->channelsIn, iChannelIn);
if (ma_is_spatial_channel_position(channelPosIn)) {
if (!ma_channel_map_contains_channel_position(pConverter->channelsOut, pConverter->pChannelMapOut, channelPosIn)) {
for (iChannelOut = 0; iChannelOut < pConverter->channelsOut; ++iChannelOut) {
ma_channel channelPosOut = ma_channel_map_get_channel(pConverter->pChannelMapOut, pConverter->channelsOut, iChannelOut);
if (ma_is_spatial_channel_position(channelPosOut)) {
float weight = 0;
if (pConverter->mixingMode == ma_channel_mix_mode_rectangular) {
weight = ma_calculate_channel_position_rectangular_weight(channelPosIn, channelPosOut);
}
if (pConverter->format == ma_format_f32) {
if (pConverter->weights.f32[iChannelIn][iChannelOut] == 0) {
pConverter->weights.f32[iChannelIn][iChannelOut] = weight;
}
} else {
if (pConverter->weights.s16[iChannelIn][iChannelOut] == 0) {
pConverter->weights.s16[iChannelIn][iChannelOut] = ma_channel_converter_float_to_fixed(weight);
}
}
}
}
}
}
}
for (iChannelOut = 0; iChannelOut < pConverter->channelsOut; ++iChannelOut) {
ma_channel channelPosOut = ma_channel_map_get_channel(pConverter->pChannelMapOut, pConverter->channelsOut, iChannelOut);
if (ma_is_spatial_channel_position(channelPosOut)) {
if (!ma_channel_map_contains_channel_position(pConverter->channelsIn, pConverter->pChannelMapIn, channelPosOut)) {
for (iChannelIn = 0; iChannelIn < pConverter->channelsIn; ++iChannelIn) {
ma_channel channelPosIn = ma_channel_map_get_channel(pConverter->pChannelMapIn, pConverter->channelsIn, iChannelIn);
if (ma_is_spatial_channel_position(channelPosIn)) {
float weight = 0;
if (pConverter->mixingMode == ma_channel_mix_mode_rectangular) {
weight = ma_calculate_channel_position_rectangular_weight(channelPosIn, channelPosOut);
}
if (pConverter->format == ma_format_f32) {
if (pConverter->weights.f32[iChannelIn][iChannelOut] == 0) {
pConverter->weights.f32[iChannelIn][iChannelOut] = weight;
}
} else {
if (pConverter->weights.s16[iChannelIn][iChannelOut] == 0) {
pConverter->weights.s16[iChannelIn][iChannelOut] = ma_channel_converter_float_to_fixed(weight);
}
}
}
}
}
}
}
if (pConfig->calculateLFEFromSpatialChannels) {
if (!ma_channel_map_contains_channel_position(pConverter->channelsIn, pConverter->pChannelMapIn, MA_CHANNEL_LFE)) {
ma_uint32 spatialChannelCount = ma_channel_map_get_spatial_channel_count(pConverter->pChannelMapIn, pConverter->channelsIn);
ma_uint32 iChannelOutLFE;
if (spatialChannelCount > 0 && ma_channel_map_find_channel_position(pConverter->channelsOut, pConverter->pChannelMapOut, MA_CHANNEL_LFE, &iChannelOutLFE)) {
const float weightForLFE = 1.0f / spatialChannelCount;
for (iChannelIn = 0; iChannelIn < pConverter->channelsIn; ++iChannelIn) {
const ma_channel channelPosIn = ma_channel_map_get_channel(pConverter->pChannelMapIn, pConverter->channelsIn, iChannelIn);
if (ma_is_spatial_channel_position(channelPosIn)) {
if (pConverter->format == ma_format_f32) {
if (pConverter->weights.f32[iChannelIn][iChannelOutLFE] == 0) {
pConverter->weights.f32[iChannelIn][iChannelOutLFE] = weightForLFE;
}
} else {
if (pConverter->weights.s16[iChannelIn][iChannelOutLFE] == 0) {
pConverter->weights.s16[iChannelIn][iChannelOutLFE] = ma_channel_converter_float_to_fixed(weightForLFE);
}
}
}
}
}
}
}
} break;
}
}
return MA_SUCCESS;
}
MA_API ma_result ma_channel_converter_init(const ma_channel_converter_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_channel_converter* pConverter)
{
ma_result result;
size_t heapSizeInBytes;
void* pHeap;
result = ma_channel_converter_get_heap_size(pConfig, &heapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
if (heapSizeInBytes > 0) {
pHeap = ma_malloc(heapSizeInBytes, pAllocationCallbacks);
if (pHeap == NULL) {
return MA_OUT_OF_MEMORY;
}
} else {
pHeap = NULL;
}
result = ma_channel_converter_init_preallocated(pConfig, pHeap, pConverter);
if (result != MA_SUCCESS) {
ma_free(pHeap, pAllocationCallbacks);
return result;
}
pConverter->_ownsHeap = MA_TRUE;
return MA_SUCCESS;
}
MA_API void ma_channel_converter_uninit(ma_channel_converter* pConverter, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pConverter == NULL) {
return;
}
if (pConverter->_ownsHeap) {
ma_free(pConverter->_pHeap, pAllocationCallbacks);
}
}
static ma_result ma_channel_converter_process_pcm_frames__passthrough(ma_channel_converter* pConverter, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount)
{
MA_ASSERT(pConverter != NULL);
MA_ASSERT(pFramesOut != NULL);
MA_ASSERT(pFramesIn != NULL);
ma_copy_memory_64(pFramesOut, pFramesIn, frameCount * ma_get_bytes_per_frame(pConverter->format, pConverter->channelsOut));
return MA_SUCCESS;
}
static ma_result ma_channel_converter_process_pcm_frames__shuffle(ma_channel_converter* pConverter, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount)
{
MA_ASSERT(pConverter != NULL);
MA_ASSERT(pFramesOut != NULL);
MA_ASSERT(pFramesIn != NULL);
MA_ASSERT(pConverter->channelsIn == pConverter->channelsOut);
return ma_channel_map_apply_shuffle_table(pFramesOut, pConverter->channelsOut, pFramesIn, pConverter->channelsIn, frameCount, pConverter->pShuffleTable, pConverter->format);
}
static ma_result ma_channel_converter_process_pcm_frames__mono_in(ma_channel_converter* pConverter, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount)
{
ma_uint64 iFrame;
MA_ASSERT(pConverter != NULL);
MA_ASSERT(pFramesOut != NULL);
MA_ASSERT(pFramesIn != NULL);
MA_ASSERT(pConverter->channelsIn == 1);
switch (pConverter->format)
{
case ma_format_u8:
{
ma_uint8* pFramesOutU8 = ( ma_uint8*)pFramesOut;
const ma_uint8* pFramesInU8 = (const ma_uint8*)pFramesIn;
for (iFrame = 0; iFrame < frameCount; ++iFrame) {
ma_uint32 iChannel;
for (iChannel = 0; iChannel < pConverter->channelsOut; iChannel += 1) {
pFramesOutU8[iFrame*pConverter->channelsOut + iChannel] = pFramesInU8[iFrame];
}
}
} break;
case ma_format_s16:
{
ma_int16* pFramesOutS16 = ( ma_int16*)pFramesOut;
const ma_int16* pFramesInS16 = (const ma_int16*)pFramesIn;
if (pConverter->channelsOut == 2) {
for (iFrame = 0; iFrame < frameCount; ++iFrame) {
pFramesOutS16[iFrame*2 + 0] = pFramesInS16[iFrame];
pFramesOutS16[iFrame*2 + 1] = pFramesInS16[iFrame];
}
} else {
for (iFrame = 0; iFrame < frameCount; ++iFrame) {
ma_uint32 iChannel;
for (iChannel = 0; iChannel < pConverter->channelsOut; iChannel += 1) {
pFramesOutS16[iFrame*pConverter->channelsOut + iChannel] = pFramesInS16[iFrame];
}
}
}
} break;
case ma_format_s24:
{
ma_uint8* pFramesOutS24 = ( ma_uint8*)pFramesOut;
const ma_uint8* pFramesInS24 = (const ma_uint8*)pFramesIn;
for (iFrame = 0; iFrame < frameCount; ++iFrame) {
ma_uint32 iChannel;
for (iChannel = 0; iChannel < pConverter->channelsOut; iChannel += 1) {
ma_uint64 iSampleOut = iFrame*pConverter->channelsOut + iChannel;
ma_uint64 iSampleIn = iFrame;
pFramesOutS24[iSampleOut*3 + 0] = pFramesInS24[iSampleIn*3 + 0];
pFramesOutS24[iSampleOut*3 + 1] = pFramesInS24[iSampleIn*3 + 1];
pFramesOutS24[iSampleOut*3 + 2] = pFramesInS24[iSampleIn*3 + 2];
}
}
} break;
case ma_format_s32:
{
ma_int32* pFramesOutS32 = ( ma_int32*)pFramesOut;
const ma_int32* pFramesInS32 = (const ma_int32*)pFramesIn;
for (iFrame = 0; iFrame < frameCount; ++iFrame) {
ma_uint32 iChannel;
for (iChannel = 0; iChannel < pConverter->channelsOut; iChannel += 1) {
pFramesOutS32[iFrame*pConverter->channelsOut + iChannel] = pFramesInS32[iFrame];
}
}
} break;
case ma_format_f32:
{
float* pFramesOutF32 = ( float*)pFramesOut;
const float* pFramesInF32 = (const float*)pFramesIn;
if (pConverter->channelsOut == 2) {
for (iFrame = 0; iFrame < frameCount; ++iFrame) {
pFramesOutF32[iFrame*2 + 0] = pFramesInF32[iFrame];
pFramesOutF32[iFrame*2 + 1] = pFramesInF32[iFrame];
}
} else {
for (iFrame = 0; iFrame < frameCount; ++iFrame) {
ma_uint32 iChannel;
for (iChannel = 0; iChannel < pConverter->channelsOut; iChannel += 1) {
pFramesOutF32[iFrame*pConverter->channelsOut + iChannel] = pFramesInF32[iFrame];
}
}
}
} break;
default: return MA_INVALID_OPERATION;
}
return MA_SUCCESS;
}
static ma_result ma_channel_converter_process_pcm_frames__mono_out(ma_channel_converter* pConverter, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount)
{
ma_uint64 iFrame;
ma_uint32 iChannel;
MA_ASSERT(pConverter != NULL);
MA_ASSERT(pFramesOut != NULL);
MA_ASSERT(pFramesIn != NULL);
MA_ASSERT(pConverter->channelsOut == 1);
switch (pConverter->format)
{
case ma_format_u8:
{
ma_uint8* pFramesOutU8 = ( ma_uint8*)pFramesOut;
const ma_uint8* pFramesInU8 = (const ma_uint8*)pFramesIn;
for (iFrame = 0; iFrame < frameCount; ++iFrame) {
ma_int32 t = 0;
for (iChannel = 0; iChannel < pConverter->channelsIn; iChannel += 1) {
t += ma_pcm_sample_u8_to_s16_no_scale(pFramesInU8[iFrame*pConverter->channelsIn + iChannel]);
}
pFramesOutU8[iFrame] = ma_clip_u8(t / pConverter->channelsOut);
}
} break;
case ma_format_s16:
{
ma_int16* pFramesOutS16 = ( ma_int16*)pFramesOut;
const ma_int16* pFramesInS16 = (const ma_int16*)pFramesIn;
for (iFrame = 0; iFrame < frameCount; ++iFrame) {
ma_int32 t = 0;
for (iChannel = 0; iChannel < pConverter->channelsIn; iChannel += 1) {
t += pFramesInS16[iFrame*pConverter->channelsIn + iChannel];
}
pFramesOutS16[iFrame] = (ma_int16)(t / pConverter->channelsIn);
}
} break;
case ma_format_s24:
{
ma_uint8* pFramesOutS24 = ( ma_uint8*)pFramesOut;
const ma_uint8* pFramesInS24 = (const ma_uint8*)pFramesIn;
for (iFrame = 0; iFrame < frameCount; ++iFrame) {
ma_int64 t = 0;
for (iChannel = 0; iChannel < pConverter->channelsIn; iChannel += 1) {
t += ma_pcm_sample_s24_to_s32_no_scale(&pFramesInS24[(iFrame*pConverter->channelsIn + iChannel)*3]);
}
ma_pcm_sample_s32_to_s24_no_scale(t / pConverter->channelsIn, &pFramesOutS24[iFrame*3]);
}
} break;
case ma_format_s32:
{
ma_int32* pFramesOutS32 = ( ma_int32*)pFramesOut;
const ma_int32* pFramesInS32 = (const ma_int32*)pFramesIn;
for (iFrame = 0; iFrame < frameCount; ++iFrame) {
ma_int64 t = 0;
for (iChannel = 0; iChannel < pConverter->channelsIn; iChannel += 1) {
t += pFramesInS32[iFrame*pConverter->channelsIn + iChannel];
}
pFramesOutS32[iFrame] = (ma_int32)(t / pConverter->channelsIn);
}
} break;
case ma_format_f32:
{
float* pFramesOutF32 = ( float*)pFramesOut;
const float* pFramesInF32 = (const float*)pFramesIn;
for (iFrame = 0; iFrame < frameCount; ++iFrame) {
float t = 0;
for (iChannel = 0; iChannel < pConverter->channelsIn; iChannel += 1) {
t += pFramesInF32[iFrame*pConverter->channelsIn + iChannel];
}
pFramesOutF32[iFrame] = t / pConverter->channelsIn;
}
} break;
default: return MA_INVALID_OPERATION;
}
return MA_SUCCESS;
}
static ma_result ma_channel_converter_process_pcm_frames__weights(ma_channel_converter* pConverter, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount)
{
ma_uint32 iFrame;
ma_uint32 iChannelIn;
ma_uint32 iChannelOut;
MA_ASSERT(pConverter != NULL);
MA_ASSERT(pFramesOut != NULL);
MA_ASSERT(pFramesIn != NULL);
ma_zero_memory_64(pFramesOut, frameCount * ma_get_bytes_per_frame(pConverter->format, pConverter->channelsOut));
switch (pConverter->format)
{
case ma_format_u8:
{
ma_uint8* pFramesOutU8 = ( ma_uint8*)pFramesOut;
const ma_uint8* pFramesInU8 = (const ma_uint8*)pFramesIn;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
for (iChannelIn = 0; iChannelIn < pConverter->channelsIn; ++iChannelIn) {
for (iChannelOut = 0; iChannelOut < pConverter->channelsOut; ++iChannelOut) {
ma_int16 u8_O = ma_pcm_sample_u8_to_s16_no_scale(pFramesOutU8[iFrame*pConverter->channelsOut + iChannelOut]);
ma_int16 u8_I = ma_pcm_sample_u8_to_s16_no_scale(pFramesInU8 [iFrame*pConverter->channelsIn + iChannelIn ]);
ma_int32 s = (ma_int32)ma_clamp(u8_O + ((u8_I * pConverter->weights.s16[iChannelIn][iChannelOut]) >> MA_CHANNEL_CONVERTER_FIXED_POINT_SHIFT), -128, 127);
pFramesOutU8[iFrame*pConverter->channelsOut + iChannelOut] = ma_clip_u8((ma_int16)s);
}
}
}
} break;
case ma_format_s16:
{
ma_int16* pFramesOutS16 = ( ma_int16*)pFramesOut;
const ma_int16* pFramesInS16 = (const ma_int16*)pFramesIn;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
for (iChannelIn = 0; iChannelIn < pConverter->channelsIn; ++iChannelIn) {
for (iChannelOut = 0; iChannelOut < pConverter->channelsOut; ++iChannelOut) {
ma_int32 s = pFramesOutS16[iFrame*pConverter->channelsOut + iChannelOut];
s += (pFramesInS16[iFrame*pConverter->channelsIn + iChannelIn] * pConverter->weights.s16[iChannelIn][iChannelOut]) >> MA_CHANNEL_CONVERTER_FIXED_POINT_SHIFT;
pFramesOutS16[iFrame*pConverter->channelsOut + iChannelOut] = (ma_int16)ma_clamp(s, -32768, 32767);
}
}
}
} break;
case ma_format_s24:
{
ma_uint8* pFramesOutS24 = ( ma_uint8*)pFramesOut;
const ma_uint8* pFramesInS24 = (const ma_uint8*)pFramesIn;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
for (iChannelIn = 0; iChannelIn < pConverter->channelsIn; ++iChannelIn) {
for (iChannelOut = 0; iChannelOut < pConverter->channelsOut; ++iChannelOut) {
ma_int64 s24_O = ma_pcm_sample_s24_to_s32_no_scale(&pFramesOutS24[(iFrame*pConverter->channelsOut + iChannelOut)*3]);
ma_int64 s24_I = ma_pcm_sample_s24_to_s32_no_scale(&pFramesInS24 [(iFrame*pConverter->channelsIn + iChannelIn )*3]);
ma_int64 s24 = (ma_int32)ma_clamp(s24_O + ((s24_I * pConverter->weights.s16[iChannelIn][iChannelOut]) >> MA_CHANNEL_CONVERTER_FIXED_POINT_SHIFT), -8388608, 8388607);
ma_pcm_sample_s32_to_s24_no_scale(s24, &pFramesOutS24[(iFrame*pConverter->channelsOut + iChannelOut)*3]);
}
}
}
} break;
case ma_format_s32:
{
ma_int32* pFramesOutS32 = ( ma_int32*)pFramesOut;
const ma_int32* pFramesInS32 = (const ma_int32*)pFramesIn;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
for (iChannelIn = 0; iChannelIn < pConverter->channelsIn; ++iChannelIn) {
for (iChannelOut = 0; iChannelOut < pConverter->channelsOut; ++iChannelOut) {
ma_int64 s = pFramesOutS32[iFrame*pConverter->channelsOut + iChannelOut];
s += ((ma_int64)pFramesInS32[iFrame*pConverter->channelsIn + iChannelIn] * pConverter->weights.s16[iChannelIn][iChannelOut]) >> MA_CHANNEL_CONVERTER_FIXED_POINT_SHIFT;
pFramesOutS32[iFrame*pConverter->channelsOut + iChannelOut] = ma_clip_s32(s);
}
}
}
} break;
case ma_format_f32:
{
float* pFramesOutF32 = ( float*)pFramesOut;
const float* pFramesInF32 = (const float*)pFramesIn;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
for (iChannelIn = 0; iChannelIn < pConverter->channelsIn; ++iChannelIn) {
for (iChannelOut = 0; iChannelOut < pConverter->channelsOut; ++iChannelOut) {
pFramesOutF32[iFrame*pConverter->channelsOut + iChannelOut] += pFramesInF32[iFrame*pConverter->channelsIn + iChannelIn] * pConverter->weights.f32[iChannelIn][iChannelOut];
}
}
}
} break;
default: return MA_INVALID_OPERATION;
}
return MA_SUCCESS;
}
MA_API ma_result ma_channel_converter_process_pcm_frames(ma_channel_converter* pConverter, void* pFramesOut, const void* pFramesIn, ma_uint64 frameCount)
{
if (pConverter == NULL) {
return MA_INVALID_ARGS;
}
if (pFramesOut == NULL) {
return MA_INVALID_ARGS;
}
if (pFramesIn == NULL) {
ma_zero_memory_64(pFramesOut, frameCount * ma_get_bytes_per_frame(pConverter->format, pConverter->channelsOut));
return MA_SUCCESS;
}
switch (pConverter->conversionPath)
{
case ma_channel_conversion_path_passthrough: return ma_channel_converter_process_pcm_frames__passthrough(pConverter, pFramesOut, pFramesIn, frameCount);
case ma_channel_conversion_path_mono_out: return ma_channel_converter_process_pcm_frames__mono_out(pConverter, pFramesOut, pFramesIn, frameCount);
case ma_channel_conversion_path_mono_in: return ma_channel_converter_process_pcm_frames__mono_in(pConverter, pFramesOut, pFramesIn, frameCount);
case ma_channel_conversion_path_shuffle: return ma_channel_converter_process_pcm_frames__shuffle(pConverter, pFramesOut, pFramesIn, frameCount);
case ma_channel_conversion_path_weights:
default:
{
return ma_channel_converter_process_pcm_frames__weights(pConverter, pFramesOut, pFramesIn, frameCount);
}
}
}
MA_API ma_result ma_channel_converter_get_input_channel_map(const ma_channel_converter* pConverter, ma_channel* pChannelMap, size_t channelMapCap)
{
if (pConverter == NULL || pChannelMap == NULL) {
return MA_INVALID_ARGS;
}
ma_channel_map_copy_or_default(pChannelMap, channelMapCap, pConverter->pChannelMapIn, pConverter->channelsIn);
return MA_SUCCESS;
}
MA_API ma_result ma_channel_converter_get_output_channel_map(const ma_channel_converter* pConverter, ma_channel* pChannelMap, size_t channelMapCap)
{
if (pConverter == NULL || pChannelMap == NULL) {
return MA_INVALID_ARGS;
}
ma_channel_map_copy_or_default(pChannelMap, channelMapCap, pConverter->pChannelMapOut, pConverter->channelsOut);
return MA_SUCCESS;
}
MA_API ma_data_converter_config ma_data_converter_config_init_default(void)
{
ma_data_converter_config config;
MA_ZERO_OBJECT(&config);
config.ditherMode = ma_dither_mode_none;
config.resampling.algorithm = ma_resample_algorithm_linear;
config.allowDynamicSampleRate = MA_FALSE;
config.resampling.linear.lpfOrder = 1;
return config;
}
MA_API ma_data_converter_config ma_data_converter_config_init(ma_format formatIn, ma_format formatOut, ma_uint32 channelsIn, ma_uint32 channelsOut, ma_uint32 sampleRateIn, ma_uint32 sampleRateOut)
{
ma_data_converter_config config = ma_data_converter_config_init_default();
config.formatIn = formatIn;
config.formatOut = formatOut;
config.channelsIn = channelsIn;
config.channelsOut = channelsOut;
config.sampleRateIn = sampleRateIn;
config.sampleRateOut = sampleRateOut;
return config;
}
typedef struct
{
size_t sizeInBytes;
size_t channelConverterOffset;
size_t resamplerOffset;
} ma_data_converter_heap_layout;
static ma_bool32 ma_data_converter_config_is_resampler_required(const ma_data_converter_config* pConfig)
{
MA_ASSERT(pConfig != NULL);
return pConfig->allowDynamicSampleRate || pConfig->sampleRateIn != pConfig->sampleRateOut;
}
static ma_format ma_data_converter_config_get_mid_format(const ma_data_converter_config* pConfig)
{
MA_ASSERT(pConfig != NULL);
if (ma_data_converter_config_is_resampler_required(pConfig) && pConfig->resampling.algorithm != ma_resample_algorithm_linear) {
return ma_format_f32;
} else {
if (pConfig->formatOut == ma_format_s16 || pConfig->formatOut == ma_format_f32) {
return pConfig->formatOut;
} else if (pConfig->formatIn == ma_format_s16 || pConfig->formatIn == ma_format_f32) {
return pConfig->formatIn;
} else {
return ma_format_f32;
}
}
}
static ma_channel_converter_config ma_channel_converter_config_init_from_data_converter_config(const ma_data_converter_config* pConfig)
{
ma_channel_converter_config channelConverterConfig;
MA_ASSERT(pConfig != NULL);
channelConverterConfig = ma_channel_converter_config_init(ma_data_converter_config_get_mid_format(pConfig), pConfig->channelsIn, pConfig->pChannelMapIn, pConfig->channelsOut, pConfig->pChannelMapOut, pConfig->channelMixMode);
channelConverterConfig.ppWeights = pConfig->ppChannelWeights;
channelConverterConfig.calculateLFEFromSpatialChannels = pConfig->calculateLFEFromSpatialChannels;
return channelConverterConfig;
}
static ma_resampler_config ma_resampler_config_init_from_data_converter_config(const ma_data_converter_config* pConfig)
{
ma_resampler_config resamplerConfig;
ma_uint32 resamplerChannels;
MA_ASSERT(pConfig != NULL);
if (pConfig->channelsIn < pConfig->channelsOut) {
resamplerChannels = pConfig->channelsIn;
} else {
resamplerChannels = pConfig->channelsOut;
}
resamplerConfig = ma_resampler_config_init(ma_data_converter_config_get_mid_format(pConfig), resamplerChannels, pConfig->sampleRateIn, pConfig->sampleRateOut, pConfig->resampling.algorithm);
resamplerConfig.linear = pConfig->resampling.linear;
resamplerConfig.pBackendVTable = pConfig->resampling.pBackendVTable;
resamplerConfig.pBackendUserData = pConfig->resampling.pBackendUserData;
return resamplerConfig;
}
static ma_result ma_data_converter_get_heap_layout(const ma_data_converter_config* pConfig, ma_data_converter_heap_layout* pHeapLayout)
{
ma_result result;
MA_ASSERT(pHeapLayout != NULL);
MA_ZERO_OBJECT(pHeapLayout);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->channelsIn == 0 || pConfig->channelsOut == 0) {
return MA_INVALID_ARGS;
}
pHeapLayout->sizeInBytes = 0;
pHeapLayout->channelConverterOffset = pHeapLayout->sizeInBytes;
{
size_t heapSizeInBytes;
ma_channel_converter_config channelConverterConfig = ma_channel_converter_config_init_from_data_converter_config(pConfig);
result = ma_channel_converter_get_heap_size(&channelConverterConfig, &heapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
pHeapLayout->sizeInBytes += heapSizeInBytes;
}
pHeapLayout->resamplerOffset = pHeapLayout->sizeInBytes;
if (ma_data_converter_config_is_resampler_required(pConfig)) {
size_t heapSizeInBytes;
ma_resampler_config resamplerConfig = ma_resampler_config_init_from_data_converter_config(pConfig);
result = ma_resampler_get_heap_size(&resamplerConfig, &heapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
pHeapLayout->sizeInBytes += heapSizeInBytes;
}
pHeapLayout->sizeInBytes = ma_align_64(pHeapLayout->sizeInBytes);
return MA_SUCCESS;
}
MA_API ma_result ma_data_converter_get_heap_size(const ma_data_converter_config* pConfig, size_t* pHeapSizeInBytes)
{
ma_result result;
ma_data_converter_heap_layout heapLayout;
if (pHeapSizeInBytes == NULL) {
return MA_INVALID_ARGS;
}
*pHeapSizeInBytes = 0;
result = ma_data_converter_get_heap_layout(pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return result;
}
*pHeapSizeInBytes = heapLayout.sizeInBytes;
return MA_SUCCESS;
}
MA_API ma_result ma_data_converter_init_preallocated(const ma_data_converter_config* pConfig, void* pHeap, ma_data_converter* pConverter)
{
ma_result result;
ma_data_converter_heap_layout heapLayout;
ma_format midFormat;
ma_bool32 isResamplingRequired;
if (pConverter == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pConverter);
result = ma_data_converter_get_heap_layout(pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return result;
}
pConverter->_pHeap = pHeap;
MA_ZERO_MEMORY(pHeap, heapLayout.sizeInBytes);
pConverter->formatIn = pConfig->formatIn;
pConverter->formatOut = pConfig->formatOut;
pConverter->channelsIn = pConfig->channelsIn;
pConverter->channelsOut = pConfig->channelsOut;
pConverter->sampleRateIn = pConfig->sampleRateIn;
pConverter->sampleRateOut = pConfig->sampleRateOut;
pConverter->ditherMode = pConfig->ditherMode;
isResamplingRequired = ma_data_converter_config_is_resampler_required(pConfig);
midFormat = ma_data_converter_config_get_mid_format(pConfig);
{
ma_channel_converter_config channelConverterConfig = ma_channel_converter_config_init_from_data_converter_config(pConfig);
result = ma_channel_converter_init_preallocated(&channelConverterConfig, ma_offset_ptr(pHeap, heapLayout.channelConverterOffset), &pConverter->channelConverter);
if (result != MA_SUCCESS) {
return result;
}
if (pConverter->channelConverter.conversionPath != ma_channel_conversion_path_passthrough) {
pConverter->hasChannelConverter = MA_TRUE;
}
}
if (isResamplingRequired) {
ma_resampler_config resamplerConfig = ma_resampler_config_init_from_data_converter_config(pConfig);
result = ma_resampler_init_preallocated(&resamplerConfig, ma_offset_ptr(pHeap, heapLayout.resamplerOffset), &pConverter->resampler);
if (result != MA_SUCCESS) {
return result;
}
pConverter->hasResampler = MA_TRUE;
}
if (pConverter->hasChannelConverter == MA_FALSE && pConverter->hasResampler == MA_FALSE) {
if (pConverter->formatIn == pConverter->formatOut) {
pConverter->hasPreFormatConversion = MA_FALSE;
pConverter->hasPostFormatConversion = MA_FALSE;
} else {
pConverter->hasPreFormatConversion = MA_FALSE;
pConverter->hasPostFormatConversion = MA_TRUE;
}
} else {
if (pConverter->formatIn != midFormat) {
pConverter->hasPreFormatConversion = MA_TRUE;
}
if (pConverter->formatOut != midFormat) {
pConverter->hasPostFormatConversion = MA_TRUE;
}
}
if (pConverter->hasPreFormatConversion == MA_FALSE &&
pConverter->hasPostFormatConversion == MA_FALSE &&
pConverter->hasChannelConverter == MA_FALSE &&
pConverter->hasResampler == MA_FALSE) {
pConverter->isPassthrough = MA_TRUE;
}
if (pConverter->isPassthrough) {
pConverter->executionPath = ma_data_converter_execution_path_passthrough;
} else {
if (pConverter->channelsIn < pConverter->channelsOut) {
MA_ASSERT(pConverter->hasChannelConverter == MA_TRUE);
if (pConverter->hasResampler) {
pConverter->executionPath = ma_data_converter_execution_path_resample_first;
} else {
pConverter->executionPath = ma_data_converter_execution_path_channels_only;
}
} else {
if (pConverter->hasChannelConverter) {
if (pConverter->hasResampler) {
pConverter->executionPath = ma_data_converter_execution_path_channels_first;
} else {
pConverter->executionPath = ma_data_converter_execution_path_channels_only;
}
} else {
if (pConverter->hasResampler) {
pConverter->executionPath = ma_data_converter_execution_path_resample_only;
} else {
pConverter->executionPath = ma_data_converter_execution_path_format_only;
}
}
}
}
return MA_SUCCESS;
}
MA_API ma_result ma_data_converter_init(const ma_data_converter_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_data_converter* pConverter)
{
ma_result result;
size_t heapSizeInBytes;
void* pHeap;
result = ma_data_converter_get_heap_size(pConfig, &heapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
if (heapSizeInBytes > 0) {
pHeap = ma_malloc(heapSizeInBytes, pAllocationCallbacks);
if (pHeap == NULL) {
return MA_OUT_OF_MEMORY;
}
} else {
pHeap = NULL;
}
result = ma_data_converter_init_preallocated(pConfig, pHeap, pConverter);
if (result != MA_SUCCESS) {
ma_free(pHeap, pAllocationCallbacks);
return result;
}
pConverter->_ownsHeap = MA_TRUE;
return MA_SUCCESS;
}
MA_API void ma_data_converter_uninit(ma_data_converter* pConverter, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pConverter == NULL) {
return;
}
if (pConverter->hasResampler) {
ma_resampler_uninit(&pConverter->resampler, pAllocationCallbacks);
}
ma_channel_converter_uninit(&pConverter->channelConverter, pAllocationCallbacks);
if (pConverter->_ownsHeap) {
ma_free(pConverter->_pHeap, pAllocationCallbacks);
}
}
static ma_result ma_data_converter_process_pcm_frames__passthrough(ma_data_converter* pConverter, const void* pFramesIn, ma_uint64* pFrameCountIn, void* pFramesOut, ma_uint64* pFrameCountOut)
{
ma_uint64 frameCountIn;
ma_uint64 frameCountOut;
ma_uint64 frameCount;
MA_ASSERT(pConverter != NULL);
frameCountIn = 0;
if (pFrameCountIn != NULL) {
frameCountIn = *pFrameCountIn;
}
frameCountOut = 0;
if (pFrameCountOut != NULL) {
frameCountOut = *pFrameCountOut;
}
frameCount = ma_min(frameCountIn, frameCountOut);
if (pFramesOut != NULL) {
if (pFramesIn != NULL) {
ma_copy_memory_64(pFramesOut, pFramesIn, frameCount * ma_get_bytes_per_frame(pConverter->formatOut, pConverter->channelsOut));
} else {
ma_zero_memory_64(pFramesOut, frameCount * ma_get_bytes_per_frame(pConverter->formatOut, pConverter->channelsOut));
}
}
if (pFrameCountIn != NULL) {
*pFrameCountIn = frameCount;
}
if (pFrameCountOut != NULL) {
*pFrameCountOut = frameCount;
}
return MA_SUCCESS;
}
static ma_result ma_data_converter_process_pcm_frames__format_only(ma_data_converter* pConverter, const void* pFramesIn, ma_uint64* pFrameCountIn, void* pFramesOut, ma_uint64* pFrameCountOut)
{
ma_uint64 frameCountIn;
ma_uint64 frameCountOut;
ma_uint64 frameCount;
MA_ASSERT(pConverter != NULL);
frameCountIn = 0;
if (pFrameCountIn != NULL) {
frameCountIn = *pFrameCountIn;
}
frameCountOut = 0;
if (pFrameCountOut != NULL) {
frameCountOut = *pFrameCountOut;
}
frameCount = ma_min(frameCountIn, frameCountOut);
if (pFramesOut != NULL) {
if (pFramesIn != NULL) {
ma_convert_pcm_frames_format(pFramesOut, pConverter->formatOut, pFramesIn, pConverter->formatIn, frameCount, pConverter->channelsIn, pConverter->ditherMode);
} else {
ma_zero_memory_64(pFramesOut, frameCount * ma_get_bytes_per_frame(pConverter->formatOut, pConverter->channelsOut));
}
}
if (pFrameCountIn != NULL) {
*pFrameCountIn = frameCount;
}
if (pFrameCountOut != NULL) {
*pFrameCountOut = frameCount;
}
return MA_SUCCESS;
}
static ma_result ma_data_converter_process_pcm_frames__resample_with_format_conversion(ma_data_converter* pConverter, const void* pFramesIn, ma_uint64* pFrameCountIn, void* pFramesOut, ma_uint64* pFrameCountOut)
{
ma_result result = MA_SUCCESS;
ma_uint64 frameCountIn;
ma_uint64 frameCountOut;
ma_uint64 framesProcessedIn;
ma_uint64 framesProcessedOut;
MA_ASSERT(pConverter != NULL);
frameCountIn = 0;
if (pFrameCountIn != NULL) {
frameCountIn = *pFrameCountIn;
}
frameCountOut = 0;
if (pFrameCountOut != NULL) {
frameCountOut = *pFrameCountOut;
}
framesProcessedIn = 0;
framesProcessedOut = 0;
while (framesProcessedOut < frameCountOut) {
ma_uint8 pTempBufferOut[MA_DATA_CONVERTER_STACK_BUFFER_SIZE];
const ma_uint32 tempBufferOutCap = sizeof(pTempBufferOut) / ma_get_bytes_per_frame(pConverter->resampler.format, pConverter->resampler.channels);
const void* pFramesInThisIteration;
void* pFramesOutThisIteration;
ma_uint64 frameCountInThisIteration;
ma_uint64 frameCountOutThisIteration;
if (pFramesIn != NULL) {
pFramesInThisIteration = ma_offset_ptr(pFramesIn, framesProcessedIn * ma_get_bytes_per_frame(pConverter->formatIn, pConverter->channelsIn));
} else {
pFramesInThisIteration = NULL;
}
if (pFramesOut != NULL) {
pFramesOutThisIteration = ma_offset_ptr(pFramesOut, framesProcessedOut * ma_get_bytes_per_frame(pConverter->formatOut, pConverter->channelsOut));
} else {
pFramesOutThisIteration = NULL;
}
if (pConverter->hasPreFormatConversion) {
ma_uint8 pTempBufferIn[MA_DATA_CONVERTER_STACK_BUFFER_SIZE];
const ma_uint32 tempBufferInCap = sizeof(pTempBufferIn) / ma_get_bytes_per_frame(pConverter->resampler.format, pConverter->resampler.channels);
frameCountInThisIteration = (frameCountIn - framesProcessedIn);
if (frameCountInThisIteration > tempBufferInCap) {
frameCountInThisIteration = tempBufferInCap;
}
if (pConverter->hasPostFormatConversion) {
if (frameCountInThisIteration > tempBufferOutCap) {
frameCountInThisIteration = tempBufferOutCap;
}
}
if (pFramesInThisIteration != NULL) {
ma_convert_pcm_frames_format(pTempBufferIn, pConverter->resampler.format, pFramesInThisIteration, pConverter->formatIn, frameCountInThisIteration, pConverter->channelsIn, pConverter->ditherMode);
} else {
MA_ZERO_MEMORY(pTempBufferIn, sizeof(pTempBufferIn));
}
frameCountOutThisIteration = (frameCountOut - framesProcessedOut);
if (pConverter->hasPostFormatConversion) {
if (frameCountOutThisIteration > tempBufferOutCap) {
frameCountOutThisIteration = tempBufferOutCap;
}
result = ma_resampler_process_pcm_frames(&pConverter->resampler, pTempBufferIn, &frameCountInThisIteration, pTempBufferOut, &frameCountOutThisIteration);
} else {
result = ma_resampler_process_pcm_frames(&pConverter->resampler, pTempBufferIn, &frameCountInThisIteration, pFramesOutThisIteration, &frameCountOutThisIteration);
}
if (result != MA_SUCCESS) {
break;
}
} else {
MA_ASSERT(pConverter->hasPostFormatConversion == MA_TRUE);
frameCountInThisIteration = (frameCountIn - framesProcessedIn);
frameCountOutThisIteration = (frameCountOut - framesProcessedOut);
if (frameCountOutThisIteration > tempBufferOutCap) {
frameCountOutThisIteration = tempBufferOutCap;
}
result = ma_resampler_process_pcm_frames(&pConverter->resampler, pFramesInThisIteration, &frameCountInThisIteration, pTempBufferOut, &frameCountOutThisIteration);
if (result != MA_SUCCESS) {
break;
}
}
if (pConverter->hasPostFormatConversion) {
if (pFramesOutThisIteration != NULL) {
ma_convert_pcm_frames_format(pFramesOutThisIteration, pConverter->formatOut, pTempBufferOut, pConverter->resampler.format, frameCountOutThisIteration, pConverter->resampler.channels, pConverter->ditherMode);
}
}
framesProcessedIn += frameCountInThisIteration;
framesProcessedOut += frameCountOutThisIteration;
MA_ASSERT(framesProcessedIn <= frameCountIn);
MA_ASSERT(framesProcessedOut <= frameCountOut);
if (frameCountOutThisIteration == 0) {
break;
}
}
if (pFrameCountIn != NULL) {
*pFrameCountIn = framesProcessedIn;
}
if (pFrameCountOut != NULL) {
*pFrameCountOut = framesProcessedOut;
}
return result;
}
static ma_result ma_data_converter_process_pcm_frames__resample_only(ma_data_converter* pConverter, const void* pFramesIn, ma_uint64* pFrameCountIn, void* pFramesOut, ma_uint64* pFrameCountOut)
{
MA_ASSERT(pConverter != NULL);
if (pConverter->hasPreFormatConversion == MA_FALSE && pConverter->hasPostFormatConversion == MA_FALSE) {
return ma_resampler_process_pcm_frames(&pConverter->resampler, pFramesIn, pFrameCountIn, pFramesOut, pFrameCountOut);
} else {
return ma_data_converter_process_pcm_frames__resample_with_format_conversion(pConverter, pFramesIn, pFrameCountIn, pFramesOut, pFrameCountOut);
}
}
static ma_result ma_data_converter_process_pcm_frames__channels_only(ma_data_converter* pConverter, const void* pFramesIn, ma_uint64* pFrameCountIn, void* pFramesOut, ma_uint64* pFrameCountOut)
{
ma_result result;
ma_uint64 frameCountIn;
ma_uint64 frameCountOut;
ma_uint64 frameCount;
MA_ASSERT(pConverter != NULL);
frameCountIn = 0;
if (pFrameCountIn != NULL) {
frameCountIn = *pFrameCountIn;
}
frameCountOut = 0;
if (pFrameCountOut != NULL) {
frameCountOut = *pFrameCountOut;
}
frameCount = ma_min(frameCountIn, frameCountOut);
if (pConverter->hasPreFormatConversion == MA_FALSE && pConverter->hasPostFormatConversion == MA_FALSE) {
result = ma_channel_converter_process_pcm_frames(&pConverter->channelConverter, pFramesOut, pFramesIn, frameCount);
if (result != MA_SUCCESS) {
return result;
}
} else {
ma_uint64 framesProcessed = 0;
while (framesProcessed < frameCount) {
ma_uint8 pTempBufferOut[MA_DATA_CONVERTER_STACK_BUFFER_SIZE];
const ma_uint32 tempBufferOutCap = sizeof(pTempBufferOut) / ma_get_bytes_per_frame(pConverter->channelConverter.format, pConverter->channelConverter.channelsOut);
const void* pFramesInThisIteration;
void* pFramesOutThisIteration;
ma_uint64 frameCountThisIteration;
if (pFramesIn != NULL) {
pFramesInThisIteration = ma_offset_ptr(pFramesIn, framesProcessed * ma_get_bytes_per_frame(pConverter->formatIn, pConverter->channelsIn));
} else {
pFramesInThisIteration = NULL;
}
if (pFramesOut != NULL) {
pFramesOutThisIteration = ma_offset_ptr(pFramesOut, framesProcessed * ma_get_bytes_per_frame(pConverter->formatOut, pConverter->channelsOut));
} else {
pFramesOutThisIteration = NULL;
}
if (pConverter->hasPreFormatConversion) {
ma_uint8 pTempBufferIn[MA_DATA_CONVERTER_STACK_BUFFER_SIZE];
const ma_uint32 tempBufferInCap = sizeof(pTempBufferIn) / ma_get_bytes_per_frame(pConverter->channelConverter.format, pConverter->channelConverter.channelsIn);
frameCountThisIteration = (frameCount - framesProcessed);
if (frameCountThisIteration > tempBufferInCap) {
frameCountThisIteration = tempBufferInCap;
}
if (pConverter->hasPostFormatConversion) {
if (frameCountThisIteration > tempBufferOutCap) {
frameCountThisIteration = tempBufferOutCap;
}
}
if (pFramesInThisIteration != NULL) {
ma_convert_pcm_frames_format(pTempBufferIn, pConverter->channelConverter.format, pFramesInThisIteration, pConverter->formatIn, frameCountThisIteration, pConverter->channelsIn, pConverter->ditherMode);
} else {
MA_ZERO_MEMORY(pTempBufferIn, sizeof(pTempBufferIn));
}
if (pConverter->hasPostFormatConversion) {
result = ma_channel_converter_process_pcm_frames(&pConverter->channelConverter, pTempBufferOut, pTempBufferIn, frameCountThisIteration);
} else {
result = ma_channel_converter_process_pcm_frames(&pConverter->channelConverter, pFramesOutThisIteration, pTempBufferIn, frameCountThisIteration);
}
if (result != MA_SUCCESS) {
break;
}
} else {
MA_ASSERT(pConverter->hasPostFormatConversion == MA_TRUE);
frameCountThisIteration = (frameCount - framesProcessed);
if (frameCountThisIteration > tempBufferOutCap) {
frameCountThisIteration = tempBufferOutCap;
}
result = ma_channel_converter_process_pcm_frames(&pConverter->channelConverter, pTempBufferOut, pFramesInThisIteration, frameCountThisIteration);
if (result != MA_SUCCESS) {
break;
}
}
if (pConverter->hasPostFormatConversion) {
if (pFramesOutThisIteration != NULL) {
ma_convert_pcm_frames_format(pFramesOutThisIteration, pConverter->formatOut, pTempBufferOut, pConverter->channelConverter.format, frameCountThisIteration, pConverter->channelConverter.channelsOut, pConverter->ditherMode);
}
}
framesProcessed += frameCountThisIteration;
}
}
if (pFrameCountIn != NULL) {
*pFrameCountIn = frameCount;
}
if (pFrameCountOut != NULL) {
*pFrameCountOut = frameCount;
}
return MA_SUCCESS;
}
static ma_result ma_data_converter_process_pcm_frames__resample_first(ma_data_converter* pConverter, const void* pFramesIn, ma_uint64* pFrameCountIn, void* pFramesOut, ma_uint64* pFrameCountOut)
{
ma_result result;
ma_uint64 frameCountIn;
ma_uint64 frameCountOut;
ma_uint64 framesProcessedIn;
ma_uint64 framesProcessedOut;
ma_uint8 pTempBufferIn[MA_DATA_CONVERTER_STACK_BUFFER_SIZE];
ma_uint64 tempBufferInCap;
ma_uint8 pTempBufferMid[MA_DATA_CONVERTER_STACK_BUFFER_SIZE];
ma_uint64 tempBufferMidCap;
ma_uint8 pTempBufferOut[MA_DATA_CONVERTER_STACK_BUFFER_SIZE];
ma_uint64 tempBufferOutCap;
MA_ASSERT(pConverter != NULL);
MA_ASSERT(pConverter->resampler.format == pConverter->channelConverter.format);
MA_ASSERT(pConverter->resampler.channels == pConverter->channelConverter.channelsIn);
MA_ASSERT(pConverter->resampler.channels < pConverter->channelConverter.channelsOut);
frameCountIn = 0;
if (pFrameCountIn != NULL) {
frameCountIn = *pFrameCountIn;
}
frameCountOut = 0;
if (pFrameCountOut != NULL) {
frameCountOut = *pFrameCountOut;
}
framesProcessedIn = 0;
framesProcessedOut = 0;
tempBufferInCap = sizeof(pTempBufferIn) / ma_get_bytes_per_frame(pConverter->resampler.format, pConverter->resampler.channels);
tempBufferMidCap = sizeof(pTempBufferIn) / ma_get_bytes_per_frame(pConverter->resampler.format, pConverter->resampler.channels);
tempBufferOutCap = sizeof(pTempBufferOut) / ma_get_bytes_per_frame(pConverter->channelConverter.format, pConverter->channelConverter.channelsOut);
while (framesProcessedOut < frameCountOut) {
ma_uint64 frameCountInThisIteration;
ma_uint64 frameCountOutThisIteration;
const void* pRunningFramesIn = NULL;
void* pRunningFramesOut = NULL;
const void* pResampleBufferIn;
void* pChannelsBufferOut;
if (pFramesIn != NULL) {
pRunningFramesIn = ma_offset_ptr(pFramesIn, framesProcessedIn * ma_get_bytes_per_frame(pConverter->formatIn, pConverter->channelsIn));
}
if (pFramesOut != NULL) {
pRunningFramesOut = ma_offset_ptr(pFramesOut, framesProcessedOut * ma_get_bytes_per_frame(pConverter->formatOut, pConverter->channelsOut));
}
frameCountInThisIteration = (frameCountIn - framesProcessedIn);
if (pConverter->hasPreFormatConversion) {
if (frameCountInThisIteration > tempBufferInCap) {
frameCountInThisIteration = tempBufferInCap;
}
}
frameCountOutThisIteration = (frameCountOut - framesProcessedOut);
if (frameCountOutThisIteration > tempBufferMidCap) {
frameCountOutThisIteration = tempBufferMidCap;
}
if (pConverter->hasPostFormatConversion) {
if (frameCountOutThisIteration > tempBufferOutCap) {
frameCountOutThisIteration = tempBufferOutCap;
}
}
#if 1
{
ma_uint64 requiredInputFrameCount;
result = ma_resampler_get_required_input_frame_count(&pConverter->resampler, frameCountOutThisIteration, &requiredInputFrameCount);
if (result != MA_SUCCESS) {
requiredInputFrameCount = (frameCountOutThisIteration * pConverter->resampler.sampleRateIn) / pConverter->resampler.sampleRateOut;
}
if (frameCountInThisIteration > requiredInputFrameCount) {
frameCountInThisIteration = requiredInputFrameCount;
}
}
#endif
if (pConverter->hasPreFormatConversion) {
if (pFramesIn != NULL) {
ma_convert_pcm_frames_format(pTempBufferIn, pConverter->resampler.format, pRunningFramesIn, pConverter->formatIn, frameCountInThisIteration, pConverter->channelsIn, pConverter->ditherMode);
pResampleBufferIn = pTempBufferIn;
} else {
pResampleBufferIn = NULL;
}
} else {
pResampleBufferIn = pRunningFramesIn;
}
result = ma_resampler_process_pcm_frames(&pConverter->resampler, pResampleBufferIn, &frameCountInThisIteration, pTempBufferMid, &frameCountOutThisIteration);
if (result != MA_SUCCESS) {
return result;
}
if (pFramesOut != NULL) {
if (pConverter->hasPostFormatConversion) {
pChannelsBufferOut = pTempBufferOut;
} else {
pChannelsBufferOut = pRunningFramesOut;
}
result = ma_channel_converter_process_pcm_frames(&pConverter->channelConverter, pChannelsBufferOut, pTempBufferMid, frameCountOutThisIteration);
if (result != MA_SUCCESS) {
return result;
}
if (pConverter->hasPostFormatConversion) {
ma_convert_pcm_frames_format(pRunningFramesOut, pConverter->formatOut, pChannelsBufferOut, pConverter->channelConverter.format, frameCountOutThisIteration, pConverter->channelConverter.channelsOut, pConverter->ditherMode);
}
}
framesProcessedIn += frameCountInThisIteration;
framesProcessedOut += frameCountOutThisIteration;
MA_ASSERT(framesProcessedIn <= frameCountIn);
MA_ASSERT(framesProcessedOut <= frameCountOut);
if (frameCountOutThisIteration == 0) {
break;
}
}
if (pFrameCountIn != NULL) {
*pFrameCountIn = framesProcessedIn;
}
if (pFrameCountOut != NULL) {
*pFrameCountOut = framesProcessedOut;
}
return MA_SUCCESS;
}
static ma_result ma_data_converter_process_pcm_frames__channels_first(ma_data_converter* pConverter, const void* pFramesIn, ma_uint64* pFrameCountIn, void* pFramesOut, ma_uint64* pFrameCountOut)
{
ma_result result;
ma_uint64 frameCountIn;
ma_uint64 frameCountOut;
ma_uint64 framesProcessedIn;
ma_uint64 framesProcessedOut;
ma_uint8 pTempBufferIn[MA_DATA_CONVERTER_STACK_BUFFER_SIZE];
ma_uint64 tempBufferInCap;
ma_uint8 pTempBufferMid[MA_DATA_CONVERTER_STACK_BUFFER_SIZE];
ma_uint64 tempBufferMidCap;
ma_uint8 pTempBufferOut[MA_DATA_CONVERTER_STACK_BUFFER_SIZE];
ma_uint64 tempBufferOutCap;
MA_ASSERT(pConverter != NULL);
MA_ASSERT(pConverter->resampler.format == pConverter->channelConverter.format);
MA_ASSERT(pConverter->resampler.channels == pConverter->channelConverter.channelsOut);
MA_ASSERT(pConverter->resampler.channels <= pConverter->channelConverter.channelsIn);
frameCountIn = 0;
if (pFrameCountIn != NULL) {
frameCountIn = *pFrameCountIn;
}
frameCountOut = 0;
if (pFrameCountOut != NULL) {
frameCountOut = *pFrameCountOut;
}
framesProcessedIn = 0;
framesProcessedOut = 0;
tempBufferInCap = sizeof(pTempBufferIn) / ma_get_bytes_per_frame(pConverter->channelConverter.format, pConverter->channelConverter.channelsIn);
tempBufferMidCap = sizeof(pTempBufferIn) / ma_get_bytes_per_frame(pConverter->channelConverter.format, pConverter->channelConverter.channelsOut);
tempBufferOutCap = sizeof(pTempBufferOut) / ma_get_bytes_per_frame(pConverter->resampler.format, pConverter->resampler.channels);
while (framesProcessedOut < frameCountOut) {
ma_uint64 frameCountInThisIteration;
ma_uint64 frameCountOutThisIteration;
const void* pRunningFramesIn = NULL;
void* pRunningFramesOut = NULL;
const void* pChannelsBufferIn;
void* pResampleBufferOut;
if (pFramesIn != NULL) {
pRunningFramesIn = ma_offset_ptr(pFramesIn, framesProcessedIn * ma_get_bytes_per_frame(pConverter->formatIn, pConverter->channelsIn));
}
if (pFramesOut != NULL) {
pRunningFramesOut = ma_offset_ptr(pFramesOut, framesProcessedOut * ma_get_bytes_per_frame(pConverter->formatOut, pConverter->channelsOut));
}
frameCountOutThisIteration = (frameCountOut - framesProcessedOut);
if (frameCountOutThisIteration > tempBufferMidCap) {
frameCountOutThisIteration = tempBufferMidCap;
}
if (pConverter->hasPostFormatConversion) {
if (frameCountOutThisIteration > tempBufferOutCap) {
frameCountOutThisIteration = tempBufferOutCap;
}
}
frameCountInThisIteration = (frameCountIn - framesProcessedIn);
if (pConverter->hasPreFormatConversion) {
if (frameCountInThisIteration > tempBufferInCap) {
frameCountInThisIteration = tempBufferInCap;
}
}
if (frameCountInThisIteration > tempBufferMidCap) {
frameCountInThisIteration = tempBufferMidCap;
}
#if 1
{
ma_uint64 requiredInputFrameCount;
result = ma_resampler_get_required_input_frame_count(&pConverter->resampler, frameCountOutThisIteration, &requiredInputFrameCount);
if (result != MA_SUCCESS) {
requiredInputFrameCount = (frameCountOutThisIteration * pConverter->resampler.sampleRateIn) / pConverter->resampler.sampleRateOut;
}
if (frameCountInThisIteration > requiredInputFrameCount) {
frameCountInThisIteration = requiredInputFrameCount;
}
}
#endif
if (pConverter->hasPreFormatConversion) {
if (pRunningFramesIn != NULL) {
ma_convert_pcm_frames_format(pTempBufferIn, pConverter->channelConverter.format, pRunningFramesIn, pConverter->formatIn, frameCountInThisIteration, pConverter->channelsIn, pConverter->ditherMode);
pChannelsBufferIn = pTempBufferIn;
} else {
pChannelsBufferIn = NULL;
}
} else {
pChannelsBufferIn = pRunningFramesIn;
}
result = ma_channel_converter_process_pcm_frames(&pConverter->channelConverter, pTempBufferMid, pChannelsBufferIn, frameCountInThisIteration);
if (result != MA_SUCCESS) {
return result;
}
if (pConverter->hasPostFormatConversion) {
pResampleBufferOut = pTempBufferOut;
} else {
pResampleBufferOut = pRunningFramesOut;
}
result = ma_resampler_process_pcm_frames(&pConverter->resampler, pTempBufferMid, &frameCountInThisIteration, pResampleBufferOut, &frameCountOutThisIteration);
if (result != MA_SUCCESS) {
return result;
}
if (pConverter->hasPostFormatConversion) {
if (pRunningFramesOut != NULL) {
ma_convert_pcm_frames_format(pRunningFramesOut, pConverter->formatOut, pResampleBufferOut, pConverter->resampler.format, frameCountOutThisIteration, pConverter->channelsOut, pConverter->ditherMode);
}
}
framesProcessedIn += frameCountInThisIteration;
framesProcessedOut += frameCountOutThisIteration;
MA_ASSERT(framesProcessedIn <= frameCountIn);
MA_ASSERT(framesProcessedOut <= frameCountOut);
if (frameCountOutThisIteration == 0) {
break;
}
}
if (pFrameCountIn != NULL) {
*pFrameCountIn = framesProcessedIn;
}
if (pFrameCountOut != NULL) {
*pFrameCountOut = framesProcessedOut;
}
return MA_SUCCESS;
}
MA_API ma_result ma_data_converter_process_pcm_frames(ma_data_converter* pConverter, const void* pFramesIn, ma_uint64* pFrameCountIn, void* pFramesOut, ma_uint64* pFrameCountOut)
{
if (pConverter == NULL) {
return MA_INVALID_ARGS;
}
switch (pConverter->executionPath)
{
case ma_data_converter_execution_path_passthrough: return ma_data_converter_process_pcm_frames__passthrough(pConverter, pFramesIn, pFrameCountIn, pFramesOut, pFrameCountOut);
case ma_data_converter_execution_path_format_only: return ma_data_converter_process_pcm_frames__format_only(pConverter, pFramesIn, pFrameCountIn, pFramesOut, pFrameCountOut);
case ma_data_converter_execution_path_channels_only: return ma_data_converter_process_pcm_frames__channels_only(pConverter, pFramesIn, pFrameCountIn, pFramesOut, pFrameCountOut);
case ma_data_converter_execution_path_resample_only: return ma_data_converter_process_pcm_frames__resample_only(pConverter, pFramesIn, pFrameCountIn, pFramesOut, pFrameCountOut);
case ma_data_converter_execution_path_resample_first: return ma_data_converter_process_pcm_frames__resample_first(pConverter, pFramesIn, pFrameCountIn, pFramesOut, pFrameCountOut);
case ma_data_converter_execution_path_channels_first: return ma_data_converter_process_pcm_frames__channels_first(pConverter, pFramesIn, pFrameCountIn, pFramesOut, pFrameCountOut);
default: return MA_INVALID_OPERATION;
}
}
MA_API ma_result ma_data_converter_set_rate(ma_data_converter* pConverter, ma_uint32 sampleRateIn, ma_uint32 sampleRateOut)
{
if (pConverter == NULL) {
return MA_INVALID_ARGS;
}
if (pConverter->hasResampler == MA_FALSE) {
return MA_INVALID_OPERATION;
}
return ma_resampler_set_rate(&pConverter->resampler, sampleRateIn, sampleRateOut);
}
MA_API ma_result ma_data_converter_set_rate_ratio(ma_data_converter* pConverter, float ratioInOut)
{
if (pConverter == NULL) {
return MA_INVALID_ARGS;
}
if (pConverter->hasResampler == MA_FALSE) {
return MA_INVALID_OPERATION;
}
return ma_resampler_set_rate_ratio(&pConverter->resampler, ratioInOut);
}
MA_API ma_uint64 ma_data_converter_get_input_latency(const ma_data_converter* pConverter)
{
if (pConverter == NULL) {
return 0;
}
if (pConverter->hasResampler) {
return ma_resampler_get_input_latency(&pConverter->resampler);
}
return 0;
}
MA_API ma_uint64 ma_data_converter_get_output_latency(const ma_data_converter* pConverter)
{
if (pConverter == NULL) {
return 0;
}
if (pConverter->hasResampler) {
return ma_resampler_get_output_latency(&pConverter->resampler);
}
return 0;
}
MA_API ma_result ma_data_converter_get_required_input_frame_count(const ma_data_converter* pConverter, ma_uint64 outputFrameCount, ma_uint64* pInputFrameCount)
{
if (pInputFrameCount == NULL) {
return MA_INVALID_ARGS;
}
*pInputFrameCount = 0;
if (pConverter == NULL) {
return MA_INVALID_ARGS;
}
if (pConverter->hasResampler) {
return ma_resampler_get_required_input_frame_count(&pConverter->resampler, outputFrameCount, pInputFrameCount);
} else {
*pInputFrameCount = outputFrameCount;
return MA_SUCCESS;
}
}
MA_API ma_result ma_data_converter_get_expected_output_frame_count(const ma_data_converter* pConverter, ma_uint64 inputFrameCount, ma_uint64* pOutputFrameCount)
{
if (pOutputFrameCount == NULL) {
return MA_INVALID_ARGS;
}
*pOutputFrameCount = 0;
if (pConverter == NULL) {
return MA_INVALID_ARGS;
}
if (pConverter->hasResampler) {
return ma_resampler_get_expected_output_frame_count(&pConverter->resampler, inputFrameCount, pOutputFrameCount);
} else {
*pOutputFrameCount = inputFrameCount;
return MA_SUCCESS;
}
}
MA_API ma_result ma_data_converter_get_input_channel_map(const ma_data_converter* pConverter, ma_channel* pChannelMap, size_t channelMapCap)
{
if (pConverter == NULL || pChannelMap == NULL) {
return MA_INVALID_ARGS;
}
if (pConverter->hasChannelConverter) {
ma_channel_converter_get_output_channel_map(&pConverter->channelConverter, pChannelMap, channelMapCap);
} else {
ma_channel_map_init_standard(ma_standard_channel_map_default, pChannelMap, channelMapCap, pConverter->channelsOut);
}
return MA_SUCCESS;
}
MA_API ma_result ma_data_converter_get_output_channel_map(const ma_data_converter* pConverter, ma_channel* pChannelMap, size_t channelMapCap)
{
if (pConverter == NULL || pChannelMap == NULL) {
return MA_INVALID_ARGS;
}
if (pConverter->hasChannelConverter) {
ma_channel_converter_get_input_channel_map(&pConverter->channelConverter, pChannelMap, channelMapCap);
} else {
ma_channel_map_init_standard(ma_standard_channel_map_default, pChannelMap, channelMapCap, pConverter->channelsIn);
}
return MA_SUCCESS;
}
MA_API ma_result ma_data_converter_reset(ma_data_converter* pConverter)
{
if (pConverter == NULL) {
return MA_INVALID_ARGS;
}
if (pConverter->hasResampler == MA_FALSE) {
return MA_SUCCESS;
}
return ma_resampler_reset(&pConverter->resampler);
}
static ma_channel ma_channel_map_init_standard_channel(ma_standard_channel_map standardChannelMap, ma_uint32 channelCount, ma_uint32 channelIndex);
MA_API ma_channel ma_channel_map_get_channel(const ma_channel* pChannelMap, ma_uint32 channelCount, ma_uint32 channelIndex)
{
if (pChannelMap == NULL) {
return ma_channel_map_init_standard_channel(ma_standard_channel_map_default, channelCount, channelIndex);
} else {
if (channelIndex >= channelCount) {
return MA_CHANNEL_NONE;
}
return pChannelMap[channelIndex];
}
}
MA_API void ma_channel_map_init_blank(ma_channel* pChannelMap, ma_uint32 channels)
{
if (pChannelMap == NULL) {
return;
}
MA_ZERO_MEMORY(pChannelMap, sizeof(*pChannelMap) * channels);
}
static ma_channel ma_channel_map_init_standard_channel_microsoft(ma_uint32 channelCount, ma_uint32 channelIndex)
{
if (channelCount == 0 || channelIndex >= channelCount) {
return MA_CHANNEL_NONE;
}
switch (channelCount)
{
case 0: return MA_CHANNEL_NONE;
case 1:
{
return MA_CHANNEL_MONO;
} break;
case 2:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
}
} break;
case 3:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
case 2: return MA_CHANNEL_FRONT_CENTER;
}
} break;
case 4:
{
switch (channelIndex) {
#ifndef MA_USE_QUAD_MICROSOFT_CHANNEL_MAP
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
case 2: return MA_CHANNEL_FRONT_CENTER;
case 3: return MA_CHANNEL_BACK_CENTER;
#else
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
case 2: return MA_CHANNEL_BACK_LEFT;
case 3: return MA_CHANNEL_BACK_RIGHT;
#endif
}
} break;
case 5:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
case 2: return MA_CHANNEL_FRONT_CENTER;
case 3: return MA_CHANNEL_BACK_LEFT;
case 4: return MA_CHANNEL_BACK_RIGHT;
}
} break;
case 6:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
case 2: return MA_CHANNEL_FRONT_CENTER;
case 3: return MA_CHANNEL_LFE;
case 4: return MA_CHANNEL_SIDE_LEFT;
case 5: return MA_CHANNEL_SIDE_RIGHT;
}
} break;
case 7:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
case 2: return MA_CHANNEL_FRONT_CENTER;
case 3: return MA_CHANNEL_LFE;
case 4: return MA_CHANNEL_BACK_CENTER;
case 5: return MA_CHANNEL_SIDE_LEFT;
case 6: return MA_CHANNEL_SIDE_RIGHT;
}
} break;
case 8:
default:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
case 2: return MA_CHANNEL_FRONT_CENTER;
case 3: return MA_CHANNEL_LFE;
case 4: return MA_CHANNEL_BACK_LEFT;
case 5: return MA_CHANNEL_BACK_RIGHT;
case 6: return MA_CHANNEL_SIDE_LEFT;
case 7: return MA_CHANNEL_SIDE_RIGHT;
}
} break;
}
if (channelCount > 8) {
if (channelIndex < 32) {
return (ma_channel)(MA_CHANNEL_AUX_0 + (channelIndex - 8));
}
}
return MA_CHANNEL_NONE;
}
static ma_channel ma_channel_map_init_standard_channel_alsa(ma_uint32 channelCount, ma_uint32 channelIndex)
{
switch (channelCount)
{
case 0: return MA_CHANNEL_NONE;
case 1:
{
return MA_CHANNEL_MONO;
} break;
case 2:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
}
} break;
case 3:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
case 2: return MA_CHANNEL_FRONT_CENTER;
}
} break;
case 4:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
case 2: return MA_CHANNEL_BACK_LEFT;
case 3: return MA_CHANNEL_BACK_RIGHT;
}
} break;
case 5:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
case 2: return MA_CHANNEL_BACK_LEFT;
case 3: return MA_CHANNEL_BACK_RIGHT;
case 4: return MA_CHANNEL_FRONT_CENTER;
}
} break;
case 6:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
case 2: return MA_CHANNEL_BACK_LEFT;
case 3: return MA_CHANNEL_BACK_RIGHT;
case 4: return MA_CHANNEL_FRONT_CENTER;
case 5: return MA_CHANNEL_LFE;
}
} break;
case 7:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
case 2: return MA_CHANNEL_BACK_LEFT;
case 3: return MA_CHANNEL_BACK_RIGHT;
case 4: return MA_CHANNEL_FRONT_CENTER;
case 5: return MA_CHANNEL_LFE;
case 6: return MA_CHANNEL_BACK_CENTER;
}
} break;
case 8:
default:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
case 2: return MA_CHANNEL_BACK_LEFT;
case 3: return MA_CHANNEL_BACK_RIGHT;
case 4: return MA_CHANNEL_FRONT_CENTER;
case 5: return MA_CHANNEL_LFE;
case 6: return MA_CHANNEL_SIDE_LEFT;
case 7: return MA_CHANNEL_SIDE_RIGHT;
}
} break;
}
if (channelCount > 8) {
if (channelIndex < 32) {
return (ma_channel)(MA_CHANNEL_AUX_0 + (channelIndex - 8));
}
}
return MA_CHANNEL_NONE;
}
static ma_channel ma_channel_map_init_standard_channel_rfc3551(ma_uint32 channelCount, ma_uint32 channelIndex)
{
switch (channelCount)
{
case 0: return MA_CHANNEL_NONE;
case 1:
{
return MA_CHANNEL_MONO;
} break;
case 2:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
}
} break;
case 3:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
case 2: return MA_CHANNEL_FRONT_CENTER;
}
} break;
case 4:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 2: return MA_CHANNEL_FRONT_CENTER;
case 1: return MA_CHANNEL_FRONT_RIGHT;
case 3: return MA_CHANNEL_BACK_CENTER;
}
} break;
case 5:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
case 2: return MA_CHANNEL_FRONT_CENTER;
case 3: return MA_CHANNEL_BACK_LEFT;
case 4: return MA_CHANNEL_BACK_RIGHT;
}
} break;
case 6:
default:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_SIDE_LEFT;
case 2: return MA_CHANNEL_FRONT_CENTER;
case 3: return MA_CHANNEL_FRONT_RIGHT;
case 4: return MA_CHANNEL_SIDE_RIGHT;
case 5: return MA_CHANNEL_BACK_CENTER;
}
} break;
}
if (channelCount > 6) {
if (channelIndex < 32) {
return (ma_channel)(MA_CHANNEL_AUX_0 + (channelIndex - 6));
}
}
return MA_CHANNEL_NONE;
}
static ma_channel ma_channel_map_init_standard_channel_flac(ma_uint32 channelCount, ma_uint32 channelIndex)
{
switch (channelCount)
{
case 0: return MA_CHANNEL_NONE;
case 1:
{
return MA_CHANNEL_MONO;
} break;
case 2:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
}
} break;
case 3:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
case 2: return MA_CHANNEL_FRONT_CENTER;
}
} break;
case 4:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
case 2: return MA_CHANNEL_BACK_LEFT;
case 3: return MA_CHANNEL_BACK_RIGHT;
}
} break;
case 5:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
case 2: return MA_CHANNEL_FRONT_CENTER;
case 3: return MA_CHANNEL_BACK_LEFT;
case 4: return MA_CHANNEL_BACK_RIGHT;
}
} break;
case 6:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
case 2: return MA_CHANNEL_FRONT_CENTER;
case 3: return MA_CHANNEL_LFE;
case 4: return MA_CHANNEL_BACK_LEFT;
case 5: return MA_CHANNEL_BACK_RIGHT;
}
} break;
case 7:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
case 2: return MA_CHANNEL_FRONT_CENTER;
case 3: return MA_CHANNEL_LFE;
case 4: return MA_CHANNEL_BACK_CENTER;
case 5: return MA_CHANNEL_SIDE_LEFT;
case 6: return MA_CHANNEL_SIDE_RIGHT;
}
} break;
case 8:
default:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
case 2: return MA_CHANNEL_FRONT_CENTER;
case 3: return MA_CHANNEL_LFE;
case 4: return MA_CHANNEL_BACK_LEFT;
case 5: return MA_CHANNEL_BACK_RIGHT;
case 6: return MA_CHANNEL_SIDE_LEFT;
case 7: return MA_CHANNEL_SIDE_RIGHT;
}
} break;
}
if (channelCount > 8) {
if (channelIndex < 32) {
return (ma_channel)(MA_CHANNEL_AUX_0 + (channelIndex - 8));
}
}
return MA_CHANNEL_NONE;
}
static ma_channel ma_channel_map_init_standard_channel_vorbis(ma_uint32 channelCount, ma_uint32 channelIndex)
{
switch (channelCount)
{
case 0: return MA_CHANNEL_NONE;
case 1:
{
return MA_CHANNEL_MONO;
} break;
case 2:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
}
} break;
case 3:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_CENTER;
case 2: return MA_CHANNEL_FRONT_RIGHT;
}
} break;
case 4:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
case 2: return MA_CHANNEL_BACK_LEFT;
case 3: return MA_CHANNEL_BACK_RIGHT;
}
} break;
case 5:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_CENTER;
case 2: return MA_CHANNEL_FRONT_RIGHT;
case 3: return MA_CHANNEL_BACK_LEFT;
case 4: return MA_CHANNEL_BACK_RIGHT;
}
} break;
case 6:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_CENTER;
case 2: return MA_CHANNEL_FRONT_RIGHT;
case 3: return MA_CHANNEL_BACK_LEFT;
case 4: return MA_CHANNEL_BACK_RIGHT;
case 5: return MA_CHANNEL_LFE;
}
} break;
case 7:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_CENTER;
case 2: return MA_CHANNEL_FRONT_RIGHT;
case 3: return MA_CHANNEL_SIDE_LEFT;
case 4: return MA_CHANNEL_SIDE_RIGHT;
case 5: return MA_CHANNEL_BACK_CENTER;
case 6: return MA_CHANNEL_LFE;
}
} break;
case 8:
default:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_CENTER;
case 2: return MA_CHANNEL_FRONT_RIGHT;
case 3: return MA_CHANNEL_SIDE_LEFT;
case 4: return MA_CHANNEL_SIDE_RIGHT;
case 5: return MA_CHANNEL_BACK_LEFT;
case 6: return MA_CHANNEL_BACK_RIGHT;
case 7: return MA_CHANNEL_LFE;
}
} break;
}
if (channelCount > 8) {
if (channelIndex < 32) {
return (ma_channel)(MA_CHANNEL_AUX_0 + (channelIndex - 8));
}
}
return MA_CHANNEL_NONE;
}
static ma_channel ma_channel_map_init_standard_channel_sound4(ma_uint32 channelCount, ma_uint32 channelIndex)
{
switch (channelCount)
{
case 0: return MA_CHANNEL_NONE;
case 1:
{
return MA_CHANNEL_MONO;
} break;
case 2:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
}
} break;
case 3:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
case 2: return MA_CHANNEL_FRONT_CENTER;
}
} break;
case 4:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
case 2: return MA_CHANNEL_BACK_LEFT;
case 3: return MA_CHANNEL_BACK_RIGHT;
}
} break;
case 5:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
case 2: return MA_CHANNEL_FRONT_CENTER;
case 3: return MA_CHANNEL_BACK_LEFT;
case 4: return MA_CHANNEL_BACK_RIGHT;
}
} break;
case 6:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_CENTER;
case 2: return MA_CHANNEL_FRONT_RIGHT;
case 3: return MA_CHANNEL_BACK_LEFT;
case 4: return MA_CHANNEL_BACK_RIGHT;
case 5: return MA_CHANNEL_LFE;
}
} break;
case 7:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_CENTER;
case 2: return MA_CHANNEL_FRONT_RIGHT;
case 3: return MA_CHANNEL_SIDE_LEFT;
case 4: return MA_CHANNEL_SIDE_RIGHT;
case 5: return MA_CHANNEL_BACK_CENTER;
case 6: return MA_CHANNEL_LFE;
}
} break;
case 8:
default:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_CENTER;
case 2: return MA_CHANNEL_FRONT_RIGHT;
case 3: return MA_CHANNEL_SIDE_LEFT;
case 4: return MA_CHANNEL_SIDE_RIGHT;
case 5: return MA_CHANNEL_BACK_LEFT;
case 6: return MA_CHANNEL_BACK_RIGHT;
case 7: return MA_CHANNEL_LFE;
}
} break;
}
if (channelCount > 8) {
if (channelIndex < 32) {
return (ma_channel)(MA_CHANNEL_AUX_0 + (channelIndex - 8));
}
}
return MA_CHANNEL_NONE;
}
static ma_channel ma_channel_map_init_standard_channel_sndio(ma_uint32 channelCount, ma_uint32 channelIndex)
{
switch (channelCount)
{
case 0: return MA_CHANNEL_NONE;
case 1:
{
return MA_CHANNEL_MONO;
} break;
case 2:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
}
} break;
case 3:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
case 2: return MA_CHANNEL_FRONT_CENTER;
}
} break;
case 4:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
case 2: return MA_CHANNEL_BACK_LEFT;
case 3: return MA_CHANNEL_BACK_RIGHT;
}
} break;
case 5:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
case 2: return MA_CHANNEL_BACK_LEFT;
case 3: return MA_CHANNEL_BACK_RIGHT;
case 4: return MA_CHANNEL_FRONT_CENTER;
}
} break;
case 6:
default:
{
switch (channelIndex) {
case 0: return MA_CHANNEL_FRONT_LEFT;
case 1: return MA_CHANNEL_FRONT_RIGHT;
case 2: return MA_CHANNEL_BACK_LEFT;
case 3: return MA_CHANNEL_BACK_RIGHT;
case 4: return MA_CHANNEL_FRONT_CENTER;
case 5: return MA_CHANNEL_LFE;
}
} break;
}
if (channelCount > 6) {
if (channelIndex < 32) {
return (ma_channel)(MA_CHANNEL_AUX_0 + (channelIndex - 6));
}
}
return MA_CHANNEL_NONE;
}
static ma_channel ma_channel_map_init_standard_channel(ma_standard_channel_map standardChannelMap, ma_uint32 channelCount, ma_uint32 channelIndex)
{
if (channelCount == 0 || channelIndex >= channelCount) {
return MA_CHANNEL_NONE;
}
switch (standardChannelMap)
{
case ma_standard_channel_map_alsa:
{
return ma_channel_map_init_standard_channel_alsa(channelCount, channelIndex);
} break;
case ma_standard_channel_map_rfc3551:
{
return ma_channel_map_init_standard_channel_rfc3551(channelCount, channelIndex);
} break;
case ma_standard_channel_map_flac:
{
return ma_channel_map_init_standard_channel_flac(channelCount, channelIndex);
} break;
case ma_standard_channel_map_vorbis:
{
return ma_channel_map_init_standard_channel_vorbis(channelCount, channelIndex);
} break;
case ma_standard_channel_map_sound4:
{
return ma_channel_map_init_standard_channel_sound4(channelCount, channelIndex);
} break;
case ma_standard_channel_map_sndio:
{
return ma_channel_map_init_standard_channel_sndio(channelCount, channelIndex);
} break;
case ma_standard_channel_map_microsoft:
default:
{
return ma_channel_map_init_standard_channel_microsoft(channelCount, channelIndex);
} break;
}
}
MA_API void ma_channel_map_init_standard(ma_standard_channel_map standardChannelMap, ma_channel* pChannelMap, size_t channelMapCap, ma_uint32 channels)
{
ma_uint32 iChannel;
if (pChannelMap == NULL || channelMapCap == 0 || channels == 0) {
return;
}
for (iChannel = 0; iChannel < channels; iChannel += 1) {
if (channelMapCap == 0) {
break;
}
pChannelMap[0] = ma_channel_map_init_standard_channel(standardChannelMap, channels, iChannel);
pChannelMap += 1;
channelMapCap -= 1;
}
}
MA_API void ma_channel_map_copy(ma_channel* pOut, const ma_channel* pIn, ma_uint32 channels)
{
if (pOut != NULL && pIn != NULL && channels > 0) {
MA_COPY_MEMORY(pOut, pIn, sizeof(*pOut) * channels);
}
}
MA_API void ma_channel_map_copy_or_default(ma_channel* pOut, size_t channelMapCapOut, const ma_channel* pIn, ma_uint32 channels)
{
if (pOut == NULL || channels == 0) {
return;
}
if (pIn != NULL) {
ma_channel_map_copy(pOut, pIn, channels);
} else {
ma_channel_map_init_standard(ma_standard_channel_map_default, pOut, channelMapCapOut, channels);
}
}
MA_API ma_bool32 ma_channel_map_is_valid(const ma_channel* pChannelMap, ma_uint32 channels)
{
if (channels == 0) {
return MA_FALSE;
}
if (channels > 1) {
ma_uint32 iChannel;
for (iChannel = 0; iChannel < channels; ++iChannel) {
if (ma_channel_map_get_channel(pChannelMap, channels, iChannel) == MA_CHANNEL_MONO) {
return MA_FALSE;
}
}
}
return MA_TRUE;
}
MA_API ma_bool32 ma_channel_map_is_equal(const ma_channel* pChannelMapA, const ma_channel* pChannelMapB, ma_uint32 channels)
{
ma_uint32 iChannel;
if (pChannelMapA == pChannelMapB) {
return MA_TRUE;
}
for (iChannel = 0; iChannel < channels; ++iChannel) {
if (ma_channel_map_get_channel(pChannelMapA, channels, iChannel) != ma_channel_map_get_channel(pChannelMapB, channels, iChannel)) {
return MA_FALSE;
}
}
return MA_TRUE;
}
MA_API ma_bool32 ma_channel_map_is_blank(const ma_channel* pChannelMap, ma_uint32 channels)
{
ma_uint32 iChannel;
if (pChannelMap == NULL) {
return MA_FALSE;
}
for (iChannel = 0; iChannel < channels; ++iChannel) {
if (pChannelMap[iChannel] != MA_CHANNEL_NONE) {
return MA_FALSE;
}
}
return MA_TRUE;
}
MA_API ma_bool32 ma_channel_map_contains_channel_position(ma_uint32 channels, const ma_channel* pChannelMap, ma_channel channelPosition)
{
return ma_channel_map_find_channel_position(channels, pChannelMap, channelPosition, NULL);
}
MA_API ma_bool32 ma_channel_map_find_channel_position(ma_uint32 channels, const ma_channel* pChannelMap, ma_channel channelPosition, ma_uint32* pChannelIndex)
{
ma_uint32 iChannel;
if (pChannelIndex != NULL) {
*pChannelIndex = (ma_uint32)-1;
}
for (iChannel = 0; iChannel < channels; ++iChannel) {
if (ma_channel_map_get_channel(pChannelMap, channels, iChannel) == channelPosition) {
if (pChannelIndex != NULL) {
*pChannelIndex = iChannel;
}
return MA_TRUE;
}
}
return MA_FALSE;
}
MA_API size_t ma_channel_map_to_string(const ma_channel* pChannelMap, ma_uint32 channels, char* pBufferOut, size_t bufferCap)
{
size_t len;
ma_uint32 iChannel;
len = 0;
for (iChannel = 0; iChannel < channels; iChannel += 1) {
const char* pChannelStr = ma_channel_position_to_string(ma_channel_map_get_channel(pChannelMap, channels, iChannel));
size_t channelStrLen = strlen(pChannelStr);
if (pBufferOut != NULL && bufferCap > len + channelStrLen) {
MA_COPY_MEMORY(pBufferOut + len, pChannelStr, channelStrLen);
}
len += channelStrLen;
if (iChannel+1 < channels) {
if (pBufferOut != NULL && bufferCap > len + 1) {
pBufferOut[len] = ' ';
}
len += 1;
}
}
if (pBufferOut != NULL) {
if (bufferCap > len) {
pBufferOut[len] = '\0';
} else if (bufferCap > 0) {
pBufferOut[bufferCap - 1] = '\0';
}
}
return len;
}
MA_API const char* ma_channel_position_to_string(ma_channel channel)
{
switch (channel)
{
case MA_CHANNEL_NONE : return "CHANNEL_NONE";
case MA_CHANNEL_MONO : return "CHANNEL_MONO";
case MA_CHANNEL_FRONT_LEFT : return "CHANNEL_FRONT_LEFT";
case MA_CHANNEL_FRONT_RIGHT : return "CHANNEL_FRONT_RIGHT";
case MA_CHANNEL_FRONT_CENTER : return "CHANNEL_FRONT_CENTER";
case MA_CHANNEL_LFE : return "CHANNEL_LFE";
case MA_CHANNEL_BACK_LEFT : return "CHANNEL_BACK_LEFT";
case MA_CHANNEL_BACK_RIGHT : return "CHANNEL_BACK_RIGHT";
case MA_CHANNEL_FRONT_LEFT_CENTER : return "CHANNEL_FRONT_LEFT_CENTER";
case MA_CHANNEL_FRONT_RIGHT_CENTER: return "CHANNEL_FRONT_RIGHT_CENTER";
case MA_CHANNEL_BACK_CENTER : return "CHANNEL_BACK_CENTER";
case MA_CHANNEL_SIDE_LEFT : return "CHANNEL_SIDE_LEFT";
case MA_CHANNEL_SIDE_RIGHT : return "CHANNEL_SIDE_RIGHT";
case MA_CHANNEL_TOP_CENTER : return "CHANNEL_TOP_CENTER";
case MA_CHANNEL_TOP_FRONT_LEFT : return "CHANNEL_TOP_FRONT_LEFT";
case MA_CHANNEL_TOP_FRONT_CENTER : return "CHANNEL_TOP_FRONT_CENTER";
case MA_CHANNEL_TOP_FRONT_RIGHT : return "CHANNEL_TOP_FRONT_RIGHT";
case MA_CHANNEL_TOP_BACK_LEFT : return "CHANNEL_TOP_BACK_LEFT";
case MA_CHANNEL_TOP_BACK_CENTER : return "CHANNEL_TOP_BACK_CENTER";
case MA_CHANNEL_TOP_BACK_RIGHT : return "CHANNEL_TOP_BACK_RIGHT";
case MA_CHANNEL_AUX_0 : return "CHANNEL_AUX_0";
case MA_CHANNEL_AUX_1 : return "CHANNEL_AUX_1";
case MA_CHANNEL_AUX_2 : return "CHANNEL_AUX_2";
case MA_CHANNEL_AUX_3 : return "CHANNEL_AUX_3";
case MA_CHANNEL_AUX_4 : return "CHANNEL_AUX_4";
case MA_CHANNEL_AUX_5 : return "CHANNEL_AUX_5";
case MA_CHANNEL_AUX_6 : return "CHANNEL_AUX_6";
case MA_CHANNEL_AUX_7 : return "CHANNEL_AUX_7";
case MA_CHANNEL_AUX_8 : return "CHANNEL_AUX_8";
case MA_CHANNEL_AUX_9 : return "CHANNEL_AUX_9";
case MA_CHANNEL_AUX_10 : return "CHANNEL_AUX_10";
case MA_CHANNEL_AUX_11 : return "CHANNEL_AUX_11";
case MA_CHANNEL_AUX_12 : return "CHANNEL_AUX_12";
case MA_CHANNEL_AUX_13 : return "CHANNEL_AUX_13";
case MA_CHANNEL_AUX_14 : return "CHANNEL_AUX_14";
case MA_CHANNEL_AUX_15 : return "CHANNEL_AUX_15";
case MA_CHANNEL_AUX_16 : return "CHANNEL_AUX_16";
case MA_CHANNEL_AUX_17 : return "CHANNEL_AUX_17";
case MA_CHANNEL_AUX_18 : return "CHANNEL_AUX_18";
case MA_CHANNEL_AUX_19 : return "CHANNEL_AUX_19";
case MA_CHANNEL_AUX_20 : return "CHANNEL_AUX_20";
case MA_CHANNEL_AUX_21 : return "CHANNEL_AUX_21";
case MA_CHANNEL_AUX_22 : return "CHANNEL_AUX_22";
case MA_CHANNEL_AUX_23 : return "CHANNEL_AUX_23";
case MA_CHANNEL_AUX_24 : return "CHANNEL_AUX_24";
case MA_CHANNEL_AUX_25 : return "CHANNEL_AUX_25";
case MA_CHANNEL_AUX_26 : return "CHANNEL_AUX_26";
case MA_CHANNEL_AUX_27 : return "CHANNEL_AUX_27";
case MA_CHANNEL_AUX_28 : return "CHANNEL_AUX_28";
case MA_CHANNEL_AUX_29 : return "CHANNEL_AUX_29";
case MA_CHANNEL_AUX_30 : return "CHANNEL_AUX_30";
case MA_CHANNEL_AUX_31 : return "CHANNEL_AUX_31";
default: break;
}
return "UNKNOWN";
}
MA_API ma_uint64 ma_convert_frames(void* pOut, ma_uint64 frameCountOut, ma_format formatOut, ma_uint32 channelsOut, ma_uint32 sampleRateOut, const void* pIn, ma_uint64 frameCountIn, ma_format formatIn, ma_uint32 channelsIn, ma_uint32 sampleRateIn)
{
ma_data_converter_config config;
config = ma_data_converter_config_init(formatIn, formatOut, channelsIn, channelsOut, sampleRateIn, sampleRateOut);
config.resampling.linear.lpfOrder = ma_min(MA_DEFAULT_RESAMPLER_LPF_ORDER, MA_MAX_FILTER_ORDER);
return ma_convert_frames_ex(pOut, frameCountOut, pIn, frameCountIn, &config);
}
MA_API ma_uint64 ma_convert_frames_ex(void* pOut, ma_uint64 frameCountOut, const void* pIn, ma_uint64 frameCountIn, const ma_data_converter_config* pConfig)
{
ma_result result;
ma_data_converter converter;
if (frameCountIn == 0 || pConfig == NULL) {
return 0;
}
result = ma_data_converter_init(pConfig, NULL, &converter);
if (result != MA_SUCCESS) {
return 0;
}
if (pOut == NULL) {
result = ma_data_converter_get_expected_output_frame_count(&converter, frameCountIn, &frameCountOut);
if (result != MA_SUCCESS) {
if (result == MA_NOT_IMPLEMENTED) {
frameCountOut = 0;
while (frameCountIn > 0) {
ma_uint64 framesProcessedIn = frameCountIn;
ma_uint64 framesProcessedOut = 0xFFFFFFFF;
result = ma_data_converter_process_pcm_frames(&converter, pIn, &framesProcessedIn, NULL, &framesProcessedOut);
if (result != MA_SUCCESS) {
break;
}
frameCountIn -= framesProcessedIn;
}
}
}
} else {
result = ma_data_converter_process_pcm_frames(&converter, pIn, &frameCountIn, pOut, &frameCountOut);
if (result != MA_SUCCESS) {
frameCountOut = 0;
}
}
ma_data_converter_uninit(&converter, NULL);
return frameCountOut;
}
static MA_INLINE ma_uint32 ma_rb__extract_offset_in_bytes(ma_uint32 encodedOffset)
{
return encodedOffset & 0x7FFFFFFF;
}
static MA_INLINE ma_uint32 ma_rb__extract_offset_loop_flag(ma_uint32 encodedOffset)
{
return encodedOffset & 0x80000000;
}
static MA_INLINE void* ma_rb__get_read_ptr(ma_rb* pRB)
{
MA_ASSERT(pRB != NULL);
return ma_offset_ptr(pRB->pBuffer, ma_rb__extract_offset_in_bytes(ma_atomic_load_32(&pRB->encodedReadOffset)));
}
static MA_INLINE void* ma_rb__get_write_ptr(ma_rb* pRB)
{
MA_ASSERT(pRB != NULL);
return ma_offset_ptr(pRB->pBuffer, ma_rb__extract_offset_in_bytes(ma_atomic_load_32(&pRB->encodedWriteOffset)));
}
static MA_INLINE ma_uint32 ma_rb__construct_offset(ma_uint32 offsetInBytes, ma_uint32 offsetLoopFlag)
{
return offsetLoopFlag | offsetInBytes;
}
static MA_INLINE void ma_rb__deconstruct_offset(ma_uint32 encodedOffset, ma_uint32* pOffsetInBytes, ma_uint32* pOffsetLoopFlag)
{
MA_ASSERT(pOffsetInBytes != NULL);
MA_ASSERT(pOffsetLoopFlag != NULL);
*pOffsetInBytes = ma_rb__extract_offset_in_bytes(encodedOffset);
*pOffsetLoopFlag = ma_rb__extract_offset_loop_flag(encodedOffset);
}
MA_API ma_result ma_rb_init_ex(size_t subbufferSizeInBytes, size_t subbufferCount, size_t subbufferStrideInBytes, void* pOptionalPreallocatedBuffer, const ma_allocation_callbacks* pAllocationCallbacks, ma_rb* pRB)
{
ma_result result;
const ma_uint32 maxSubBufferSize = 0x7FFFFFFF - (MA_SIMD_ALIGNMENT-1);
if (pRB == NULL) {
return MA_INVALID_ARGS;
}
if (subbufferSizeInBytes == 0 || subbufferCount == 0) {
return MA_INVALID_ARGS;
}
if (subbufferSizeInBytes > maxSubBufferSize) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pRB);
result = ma_allocation_callbacks_init_copy(&pRB->allocationCallbacks, pAllocationCallbacks);
if (result != MA_SUCCESS) {
return result;
}
pRB->subbufferSizeInBytes = (ma_uint32)subbufferSizeInBytes;
pRB->subbufferCount = (ma_uint32)subbufferCount;
if (pOptionalPreallocatedBuffer != NULL) {
pRB->subbufferStrideInBytes = (ma_uint32)subbufferStrideInBytes;
pRB->pBuffer = pOptionalPreallocatedBuffer;
} else {
size_t bufferSizeInBytes;
pRB->subbufferStrideInBytes = ma_align(pRB->subbufferSizeInBytes, MA_SIMD_ALIGNMENT);
bufferSizeInBytes = (size_t)pRB->subbufferCount*pRB->subbufferStrideInBytes;
pRB->pBuffer = ma_aligned_malloc(bufferSizeInBytes, MA_SIMD_ALIGNMENT, &pRB->allocationCallbacks);
if (pRB->pBuffer == NULL) {
return MA_OUT_OF_MEMORY;
}
MA_ZERO_MEMORY(pRB->pBuffer, bufferSizeInBytes);
pRB->ownsBuffer = MA_TRUE;
}
return MA_SUCCESS;
}
MA_API ma_result ma_rb_init(size_t bufferSizeInBytes, void* pOptionalPreallocatedBuffer, const ma_allocation_callbacks* pAllocationCallbacks, ma_rb* pRB)
{
return ma_rb_init_ex(bufferSizeInBytes, 1, 0, pOptionalPreallocatedBuffer, pAllocationCallbacks, pRB);
}
MA_API void ma_rb_uninit(ma_rb* pRB)
{
if (pRB == NULL) {
return;
}
if (pRB->ownsBuffer) {
ma_aligned_free(pRB->pBuffer, &pRB->allocationCallbacks);
}
}
MA_API void ma_rb_reset(ma_rb* pRB)
{
if (pRB == NULL) {
return;
}
ma_atomic_exchange_32(&pRB->encodedReadOffset, 0);
ma_atomic_exchange_32(&pRB->encodedWriteOffset, 0);
}
MA_API ma_result ma_rb_acquire_read(ma_rb* pRB, size_t* pSizeInBytes, void** ppBufferOut)
{
ma_uint32 writeOffset;
ma_uint32 writeOffsetInBytes;
ma_uint32 writeOffsetLoopFlag;
ma_uint32 readOffset;
ma_uint32 readOffsetInBytes;
ma_uint32 readOffsetLoopFlag;
size_t bytesAvailable;
size_t bytesRequested;
if (pRB == NULL || pSizeInBytes == NULL || ppBufferOut == NULL) {
return MA_INVALID_ARGS;
}
writeOffset = ma_atomic_load_32(&pRB->encodedWriteOffset);
ma_rb__deconstruct_offset(writeOffset, &writeOffsetInBytes, &writeOffsetLoopFlag);
readOffset = ma_atomic_load_32(&pRB->encodedReadOffset);
ma_rb__deconstruct_offset(readOffset, &readOffsetInBytes, &readOffsetLoopFlag);
if (readOffsetLoopFlag == writeOffsetLoopFlag) {
bytesAvailable = writeOffsetInBytes - readOffsetInBytes;
} else {
bytesAvailable = pRB->subbufferSizeInBytes - readOffsetInBytes;
}
bytesRequested = *pSizeInBytes;
if (bytesRequested > bytesAvailable) {
bytesRequested = bytesAvailable;
}
*pSizeInBytes = bytesRequested;
(*ppBufferOut) = ma_rb__get_read_ptr(pRB);
return MA_SUCCESS;
}
MA_API ma_result ma_rb_commit_read(ma_rb* pRB, size_t sizeInBytes)
{
ma_uint32 readOffset;
ma_uint32 readOffsetInBytes;
ma_uint32 readOffsetLoopFlag;
ma_uint32 newReadOffsetInBytes;
ma_uint32 newReadOffsetLoopFlag;
if (pRB == NULL) {
return MA_INVALID_ARGS;
}
readOffset = ma_atomic_load_32(&pRB->encodedReadOffset);
ma_rb__deconstruct_offset(readOffset, &readOffsetInBytes, &readOffsetLoopFlag);
newReadOffsetInBytes = (ma_uint32)(readOffsetInBytes + sizeInBytes);
if (newReadOffsetInBytes > pRB->subbufferSizeInBytes) {
return MA_INVALID_ARGS;
}
newReadOffsetLoopFlag = readOffsetLoopFlag;
if (newReadOffsetInBytes == pRB->subbufferSizeInBytes) {
newReadOffsetInBytes = 0;
newReadOffsetLoopFlag ^= 0x80000000;
}
ma_atomic_exchange_32(&pRB->encodedReadOffset, ma_rb__construct_offset(newReadOffsetInBytes, newReadOffsetLoopFlag));
return MA_SUCCESS;
}
MA_API ma_result ma_rb_acquire_write(ma_rb* pRB, size_t* pSizeInBytes, void** ppBufferOut)
{
ma_uint32 readOffset;
ma_uint32 readOffsetInBytes;
ma_uint32 readOffsetLoopFlag;
ma_uint32 writeOffset;
ma_uint32 writeOffsetInBytes;
ma_uint32 writeOffsetLoopFlag;
size_t bytesAvailable;
size_t bytesRequested;
if (pRB == NULL || pSizeInBytes == NULL || ppBufferOut == NULL) {
return MA_INVALID_ARGS;
}
readOffset = ma_atomic_load_32(&pRB->encodedReadOffset);
ma_rb__deconstruct_offset(readOffset, &readOffsetInBytes, &readOffsetLoopFlag);
writeOffset = ma_atomic_load_32(&pRB->encodedWriteOffset);
ma_rb__deconstruct_offset(writeOffset, &writeOffsetInBytes, &writeOffsetLoopFlag);
if (writeOffsetLoopFlag == readOffsetLoopFlag) {
bytesAvailable = pRB->subbufferSizeInBytes - writeOffsetInBytes;
} else {
bytesAvailable = readOffsetInBytes - writeOffsetInBytes;
}
bytesRequested = *pSizeInBytes;
if (bytesRequested > bytesAvailable) {
bytesRequested = bytesAvailable;
}
*pSizeInBytes = bytesRequested;
*ppBufferOut = ma_rb__get_write_ptr(pRB);
if (pRB->clearOnWriteAcquire) {
MA_ZERO_MEMORY(*ppBufferOut, *pSizeInBytes);
}
return MA_SUCCESS;
}
MA_API ma_result ma_rb_commit_write(ma_rb* pRB, size_t sizeInBytes)
{
ma_uint32 writeOffset;
ma_uint32 writeOffsetInBytes;
ma_uint32 writeOffsetLoopFlag;
ma_uint32 newWriteOffsetInBytes;
ma_uint32 newWriteOffsetLoopFlag;
if (pRB == NULL) {
return MA_INVALID_ARGS;
}
writeOffset = ma_atomic_load_32(&pRB->encodedWriteOffset);
ma_rb__deconstruct_offset(writeOffset, &writeOffsetInBytes, &writeOffsetLoopFlag);
newWriteOffsetInBytes = (ma_uint32)(writeOffsetInBytes + sizeInBytes);
if (newWriteOffsetInBytes > pRB->subbufferSizeInBytes) {
return MA_INVALID_ARGS;
}
newWriteOffsetLoopFlag = writeOffsetLoopFlag;
if (newWriteOffsetInBytes == pRB->subbufferSizeInBytes) {
newWriteOffsetInBytes = 0;
newWriteOffsetLoopFlag ^= 0x80000000;
}
ma_atomic_exchange_32(&pRB->encodedWriteOffset, ma_rb__construct_offset(newWriteOffsetInBytes, newWriteOffsetLoopFlag));
return MA_SUCCESS;
}
MA_API ma_result ma_rb_seek_read(ma_rb* pRB, size_t offsetInBytes)
{
ma_uint32 readOffset;
ma_uint32 readOffsetInBytes;
ma_uint32 readOffsetLoopFlag;
ma_uint32 writeOffset;
ma_uint32 writeOffsetInBytes;
ma_uint32 writeOffsetLoopFlag;
ma_uint32 newReadOffsetInBytes;
ma_uint32 newReadOffsetLoopFlag;
if (pRB == NULL || offsetInBytes > pRB->subbufferSizeInBytes) {
return MA_INVALID_ARGS;
}
readOffset = ma_atomic_load_32(&pRB->encodedReadOffset);
ma_rb__deconstruct_offset(readOffset, &readOffsetInBytes, &readOffsetLoopFlag);
writeOffset = ma_atomic_load_32(&pRB->encodedWriteOffset);
ma_rb__deconstruct_offset(writeOffset, &writeOffsetInBytes, &writeOffsetLoopFlag);
newReadOffsetLoopFlag = readOffsetLoopFlag;
if (readOffsetLoopFlag == writeOffsetLoopFlag) {
if ((readOffsetInBytes + offsetInBytes) > writeOffsetInBytes) {
newReadOffsetInBytes = writeOffsetInBytes;
} else {
newReadOffsetInBytes = (ma_uint32)(readOffsetInBytes + offsetInBytes);
}
} else {
if ((readOffsetInBytes + offsetInBytes) >= pRB->subbufferSizeInBytes) {
newReadOffsetInBytes = (ma_uint32)(readOffsetInBytes + offsetInBytes) - pRB->subbufferSizeInBytes;
newReadOffsetLoopFlag ^= 0x80000000;
} else {
newReadOffsetInBytes = (ma_uint32)(readOffsetInBytes + offsetInBytes);
}
}
ma_atomic_exchange_32(&pRB->encodedReadOffset, ma_rb__construct_offset(newReadOffsetInBytes, newReadOffsetLoopFlag));
return MA_SUCCESS;
}
MA_API ma_result ma_rb_seek_write(ma_rb* pRB, size_t offsetInBytes)
{
ma_uint32 readOffset;
ma_uint32 readOffsetInBytes;
ma_uint32 readOffsetLoopFlag;
ma_uint32 writeOffset;
ma_uint32 writeOffsetInBytes;
ma_uint32 writeOffsetLoopFlag;
ma_uint32 newWriteOffsetInBytes;
ma_uint32 newWriteOffsetLoopFlag;
if (pRB == NULL) {
return MA_INVALID_ARGS;
}
readOffset = ma_atomic_load_32(&pRB->encodedReadOffset);
ma_rb__deconstruct_offset(readOffset, &readOffsetInBytes, &readOffsetLoopFlag);
writeOffset = ma_atomic_load_32(&pRB->encodedWriteOffset);
ma_rb__deconstruct_offset(writeOffset, &writeOffsetInBytes, &writeOffsetLoopFlag);
newWriteOffsetLoopFlag = writeOffsetLoopFlag;
if (readOffsetLoopFlag == writeOffsetLoopFlag) {
if ((writeOffsetInBytes + offsetInBytes) >= pRB->subbufferSizeInBytes) {
newWriteOffsetInBytes = (ma_uint32)(writeOffsetInBytes + offsetInBytes) - pRB->subbufferSizeInBytes;
newWriteOffsetLoopFlag ^= 0x80000000;
} else {
newWriteOffsetInBytes = (ma_uint32)(writeOffsetInBytes + offsetInBytes);
}
} else {
if ((writeOffsetInBytes + offsetInBytes) > readOffsetInBytes) {
newWriteOffsetInBytes = readOffsetInBytes;
} else {
newWriteOffsetInBytes = (ma_uint32)(writeOffsetInBytes + offsetInBytes);
}
}
ma_atomic_exchange_32(&pRB->encodedWriteOffset, ma_rb__construct_offset(newWriteOffsetInBytes, newWriteOffsetLoopFlag));
return MA_SUCCESS;
}
MA_API ma_int32 ma_rb_pointer_distance(ma_rb* pRB)
{
ma_uint32 readOffset;
ma_uint32 readOffsetInBytes;
ma_uint32 readOffsetLoopFlag;
ma_uint32 writeOffset;
ma_uint32 writeOffsetInBytes;
ma_uint32 writeOffsetLoopFlag;
if (pRB == NULL) {
return 0;
}
readOffset = ma_atomic_load_32(&pRB->encodedReadOffset);
ma_rb__deconstruct_offset(readOffset, &readOffsetInBytes, &readOffsetLoopFlag);
writeOffset = ma_atomic_load_32(&pRB->encodedWriteOffset);
ma_rb__deconstruct_offset(writeOffset, &writeOffsetInBytes, &writeOffsetLoopFlag);
if (readOffsetLoopFlag == writeOffsetLoopFlag) {
return writeOffsetInBytes - readOffsetInBytes;
} else {
return writeOffsetInBytes + (pRB->subbufferSizeInBytes - readOffsetInBytes);
}
}
MA_API ma_uint32 ma_rb_available_read(ma_rb* pRB)
{
ma_int32 dist;
if (pRB == NULL) {
return 0;
}
dist = ma_rb_pointer_distance(pRB);
if (dist < 0) {
return 0;
}
return dist;
}
MA_API ma_uint32 ma_rb_available_write(ma_rb* pRB)
{
if (pRB == NULL) {
return 0;
}
return (ma_uint32)(ma_rb_get_subbuffer_size(pRB) - ma_rb_pointer_distance(pRB));
}
MA_API size_t ma_rb_get_subbuffer_size(ma_rb* pRB)
{
if (pRB == NULL) {
return 0;
}
return pRB->subbufferSizeInBytes;
}
MA_API size_t ma_rb_get_subbuffer_stride(ma_rb* pRB)
{
if (pRB == NULL) {
return 0;
}
if (pRB->subbufferStrideInBytes == 0) {
return (size_t)pRB->subbufferSizeInBytes;
}
return (size_t)pRB->subbufferStrideInBytes;
}
MA_API size_t ma_rb_get_subbuffer_offset(ma_rb* pRB, size_t subbufferIndex)
{
if (pRB == NULL) {
return 0;
}
return subbufferIndex * ma_rb_get_subbuffer_stride(pRB);
}
MA_API void* ma_rb_get_subbuffer_ptr(ma_rb* pRB, size_t subbufferIndex, void* pBuffer)
{
if (pRB == NULL) {
return NULL;
}
return ma_offset_ptr(pBuffer, ma_rb_get_subbuffer_offset(pRB, subbufferIndex));
}
static ma_result ma_pcm_rb_data_source__on_read(ma_data_source* pDataSource, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
{
ma_pcm_rb* pRB = (ma_pcm_rb*)pDataSource;
ma_result result;
ma_uint64 totalFramesRead;
MA_ASSERT(pRB != NULL);
totalFramesRead = 0;
while (totalFramesRead < frameCount) {
void* pMappedBuffer;
ma_uint32 mappedFrameCount;
ma_uint64 framesToRead = frameCount - totalFramesRead;
if (framesToRead > 0xFFFFFFFF) {
framesToRead = 0xFFFFFFFF;
}
mappedFrameCount = (ma_uint32)framesToRead;
result = ma_pcm_rb_acquire_read(pRB, &mappedFrameCount, &pMappedBuffer);
if (result != MA_SUCCESS) {
break;
}
if (mappedFrameCount == 0) {
break;
}
ma_copy_pcm_frames(ma_offset_pcm_frames_ptr(pFramesOut, totalFramesRead, pRB->format, pRB->channels), pMappedBuffer, mappedFrameCount, pRB->format, pRB->channels);
result = ma_pcm_rb_commit_read(pRB, mappedFrameCount);
if (result != MA_SUCCESS) {
break;
}
totalFramesRead += mappedFrameCount;
}
if (totalFramesRead < frameCount) {
ma_silence_pcm_frames(ma_offset_pcm_frames_ptr(pFramesOut, totalFramesRead, pRB->format, pRB->channels), (frameCount - totalFramesRead), pRB->format, pRB->channels);
totalFramesRead = frameCount;
}
*pFramesRead = totalFramesRead;
return MA_SUCCESS;
}
static ma_result ma_pcm_rb_data_source__on_get_data_format(ma_data_source* pDataSource, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap)
{
ma_pcm_rb* pRB = (ma_pcm_rb*)pDataSource;
MA_ASSERT(pRB != NULL);
if (pFormat != NULL) {
*pFormat = pRB->format;
}
if (pChannels != NULL) {
*pChannels = pRB->channels;
}
if (pSampleRate != NULL) {
*pSampleRate = pRB->sampleRate;
}
if (pChannelMap != NULL) {
ma_channel_map_init_standard(ma_standard_channel_map_default, pChannelMap, channelMapCap, pRB->channels);
}
return MA_SUCCESS;
}
static ma_data_source_vtable ma_gRBDataSourceVTable =
{
ma_pcm_rb_data_source__on_read,
NULL,
ma_pcm_rb_data_source__on_get_data_format,
NULL,
NULL,
NULL,
0
};
static MA_INLINE ma_uint32 ma_pcm_rb_get_bpf(ma_pcm_rb* pRB)
{
MA_ASSERT(pRB != NULL);
return ma_get_bytes_per_frame(pRB->format, pRB->channels);
}
MA_API ma_result ma_pcm_rb_init_ex(ma_format format, ma_uint32 channels, ma_uint32 subbufferSizeInFrames, ma_uint32 subbufferCount, ma_uint32 subbufferStrideInFrames, void* pOptionalPreallocatedBuffer, const ma_allocation_callbacks* pAllocationCallbacks, ma_pcm_rb* pRB)
{
ma_uint32 bpf;
ma_result result;
if (pRB == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pRB);
bpf = ma_get_bytes_per_frame(format, channels);
if (bpf == 0) {
return MA_INVALID_ARGS;
}
result = ma_rb_init_ex(subbufferSizeInFrames*bpf, subbufferCount, subbufferStrideInFrames*bpf, pOptionalPreallocatedBuffer, pAllocationCallbacks, &pRB->rb);
if (result != MA_SUCCESS) {
return result;
}
pRB->format = format;
pRB->channels = channels;
pRB->sampleRate = 0;
{
ma_data_source_config dataSourceConfig = ma_data_source_config_init();
dataSourceConfig.vtable = &ma_gRBDataSourceVTable;
result = ma_data_source_init(&dataSourceConfig, &pRB->ds);
if (result != MA_SUCCESS) {
ma_rb_uninit(&pRB->rb);
return result;
}
}
return MA_SUCCESS;
}
MA_API ma_result ma_pcm_rb_init(ma_format format, ma_uint32 channels, ma_uint32 bufferSizeInFrames, void* pOptionalPreallocatedBuffer, const ma_allocation_callbacks* pAllocationCallbacks, ma_pcm_rb* pRB)
{
return ma_pcm_rb_init_ex(format, channels, bufferSizeInFrames, 1, 0, pOptionalPreallocatedBuffer, pAllocationCallbacks, pRB);
}
MA_API void ma_pcm_rb_uninit(ma_pcm_rb* pRB)
{
if (pRB == NULL) {
return;
}
ma_data_source_uninit(&pRB->ds);
ma_rb_uninit(&pRB->rb);
}
MA_API void ma_pcm_rb_reset(ma_pcm_rb* pRB)
{
if (pRB == NULL) {
return;
}
ma_rb_reset(&pRB->rb);
}
MA_API ma_result ma_pcm_rb_acquire_read(ma_pcm_rb* pRB, ma_uint32* pSizeInFrames, void** ppBufferOut)
{
size_t sizeInBytes;
ma_result result;
if (pRB == NULL || pSizeInFrames == NULL) {
return MA_INVALID_ARGS;
}
sizeInBytes = *pSizeInFrames * ma_pcm_rb_get_bpf(pRB);
result = ma_rb_acquire_read(&pRB->rb, &sizeInBytes, ppBufferOut);
if (result != MA_SUCCESS) {
return result;
}
*pSizeInFrames = (ma_uint32)(sizeInBytes / (size_t)ma_pcm_rb_get_bpf(pRB));
return MA_SUCCESS;
}
MA_API ma_result ma_pcm_rb_commit_read(ma_pcm_rb* pRB, ma_uint32 sizeInFrames)
{
if (pRB == NULL) {
return MA_INVALID_ARGS;
}
return ma_rb_commit_read(&pRB->rb, sizeInFrames * ma_pcm_rb_get_bpf(pRB));
}
MA_API ma_result ma_pcm_rb_acquire_write(ma_pcm_rb* pRB, ma_uint32* pSizeInFrames, void** ppBufferOut)
{
size_t sizeInBytes;
ma_result result;
if (pRB == NULL) {
return MA_INVALID_ARGS;
}
sizeInBytes = *pSizeInFrames * ma_pcm_rb_get_bpf(pRB);
result = ma_rb_acquire_write(&pRB->rb, &sizeInBytes, ppBufferOut);
if (result != MA_SUCCESS) {
return result;
}
*pSizeInFrames = (ma_uint32)(sizeInBytes / ma_pcm_rb_get_bpf(pRB));
return MA_SUCCESS;
}
MA_API ma_result ma_pcm_rb_commit_write(ma_pcm_rb* pRB, ma_uint32 sizeInFrames)
{
if (pRB == NULL) {
return MA_INVALID_ARGS;
}
return ma_rb_commit_write(&pRB->rb, sizeInFrames * ma_pcm_rb_get_bpf(pRB));
}
MA_API ma_result ma_pcm_rb_seek_read(ma_pcm_rb* pRB, ma_uint32 offsetInFrames)
{
if (pRB == NULL) {
return MA_INVALID_ARGS;
}
return ma_rb_seek_read(&pRB->rb, offsetInFrames * ma_pcm_rb_get_bpf(pRB));
}
MA_API ma_result ma_pcm_rb_seek_write(ma_pcm_rb* pRB, ma_uint32 offsetInFrames)
{
if (pRB == NULL) {
return MA_INVALID_ARGS;
}
return ma_rb_seek_write(&pRB->rb, offsetInFrames * ma_pcm_rb_get_bpf(pRB));
}
MA_API ma_int32 ma_pcm_rb_pointer_distance(ma_pcm_rb* pRB)
{
if (pRB == NULL) {
return 0;
}
return ma_rb_pointer_distance(&pRB->rb) / ma_pcm_rb_get_bpf(pRB);
}
MA_API ma_uint32 ma_pcm_rb_available_read(ma_pcm_rb* pRB)
{
if (pRB == NULL) {
return 0;
}
return ma_rb_available_read(&pRB->rb) / ma_pcm_rb_get_bpf(pRB);
}
MA_API ma_uint32 ma_pcm_rb_available_write(ma_pcm_rb* pRB)
{
if (pRB == NULL) {
return 0;
}
return ma_rb_available_write(&pRB->rb) / ma_pcm_rb_get_bpf(pRB);
}
MA_API ma_uint32 ma_pcm_rb_get_subbuffer_size(ma_pcm_rb* pRB)
{
if (pRB == NULL) {
return 0;
}
return (ma_uint32)(ma_rb_get_subbuffer_size(&pRB->rb) / ma_pcm_rb_get_bpf(pRB));
}
MA_API ma_uint32 ma_pcm_rb_get_subbuffer_stride(ma_pcm_rb* pRB)
{
if (pRB == NULL) {
return 0;
}
return (ma_uint32)(ma_rb_get_subbuffer_stride(&pRB->rb) / ma_pcm_rb_get_bpf(pRB));
}
MA_API ma_uint32 ma_pcm_rb_get_subbuffer_offset(ma_pcm_rb* pRB, ma_uint32 subbufferIndex)
{
if (pRB == NULL) {
return 0;
}
return (ma_uint32)(ma_rb_get_subbuffer_offset(&pRB->rb, subbufferIndex) / ma_pcm_rb_get_bpf(pRB));
}
MA_API void* ma_pcm_rb_get_subbuffer_ptr(ma_pcm_rb* pRB, ma_uint32 subbufferIndex, void* pBuffer)
{
if (pRB == NULL) {
return NULL;
}
return ma_rb_get_subbuffer_ptr(&pRB->rb, subbufferIndex, pBuffer);
}
MA_API ma_format ma_pcm_rb_get_format(const ma_pcm_rb* pRB)
{
if (pRB == NULL) {
return ma_format_unknown;
}
return pRB->format;
}
MA_API ma_uint32 ma_pcm_rb_get_channels(const ma_pcm_rb* pRB)
{
if (pRB == NULL) {
return 0;
}
return pRB->channels;
}
MA_API ma_uint32 ma_pcm_rb_get_sample_rate(const ma_pcm_rb* pRB)
{
if (pRB == NULL) {
return 0;
}
return pRB->sampleRate;
}
MA_API void ma_pcm_rb_set_sample_rate(ma_pcm_rb* pRB, ma_uint32 sampleRate)
{
if (pRB == NULL) {
return;
}
pRB->sampleRate = sampleRate;
}
MA_API ma_result ma_duplex_rb_init(ma_format captureFormat, ma_uint32 captureChannels, ma_uint32 sampleRate, ma_uint32 captureInternalSampleRate, ma_uint32 captureInternalPeriodSizeInFrames, const ma_allocation_callbacks* pAllocationCallbacks, ma_duplex_rb* pRB)
{
ma_result result;
ma_uint32 sizeInFrames;
sizeInFrames = (ma_uint32)ma_calculate_frame_count_after_resampling(sampleRate, captureInternalSampleRate, captureInternalPeriodSizeInFrames * 5);
if (sizeInFrames == 0) {
return MA_INVALID_ARGS;
}
result = ma_pcm_rb_init(captureFormat, captureChannels, sizeInFrames, NULL, pAllocationCallbacks, &pRB->rb);
if (result != MA_SUCCESS) {
return result;
}
ma_pcm_rb_seek_write((ma_pcm_rb*)pRB, captureInternalPeriodSizeInFrames * 2);
return MA_SUCCESS;
}
MA_API ma_result ma_duplex_rb_uninit(ma_duplex_rb* pRB)
{
ma_pcm_rb_uninit((ma_pcm_rb*)pRB);
return MA_SUCCESS;
}
MA_API const char* ma_result_description(ma_result result)
{
switch (result)
{
case MA_SUCCESS: return "No error";
case MA_ERROR: return "Unknown error";
case MA_INVALID_ARGS: return "Invalid argument";
case MA_INVALID_OPERATION: return "Invalid operation";
case MA_OUT_OF_MEMORY: return "Out of memory";
case MA_OUT_OF_RANGE: return "Out of range";
case MA_ACCESS_DENIED: return "Permission denied";
case MA_DOES_NOT_EXIST: return "Resource does not exist";
case MA_ALREADY_EXISTS: return "Resource already exists";
case MA_TOO_MANY_OPEN_FILES: return "Too many open files";
case MA_INVALID_FILE: return "Invalid file";
case MA_TOO_BIG: return "Too large";
case MA_PATH_TOO_LONG: return "Path too long";
case MA_NAME_TOO_LONG: return "Name too long";
case MA_NOT_DIRECTORY: return "Not a directory";
case MA_IS_DIRECTORY: return "Is a directory";
case MA_DIRECTORY_NOT_EMPTY: return "Directory not empty";
case MA_AT_END: return "At end";
case MA_NO_SPACE: return "No space available";
case MA_BUSY: return "Device or resource busy";
case MA_IO_ERROR: return "Input/output error";
case MA_INTERRUPT: return "Interrupted";
case MA_UNAVAILABLE: return "Resource unavailable";
case MA_ALREADY_IN_USE: return "Resource already in use";
case MA_BAD_ADDRESS: return "Bad address";
case MA_BAD_SEEK: return "Illegal seek";
case MA_BAD_PIPE: return "Broken pipe";
case MA_DEADLOCK: return "Deadlock";
case MA_TOO_MANY_LINKS: return "Too many links";
case MA_NOT_IMPLEMENTED: return "Not implemented";
case MA_NO_MESSAGE: return "No message of desired type";
case MA_BAD_MESSAGE: return "Invalid message";
case MA_NO_DATA_AVAILABLE: return "No data available";
case MA_INVALID_DATA: return "Invalid data";
case MA_TIMEOUT: return "Timeout";
case MA_NO_NETWORK: return "Network unavailable";
case MA_NOT_UNIQUE: return "Not unique";
case MA_NOT_SOCKET: return "Socket operation on non-socket";
case MA_NO_ADDRESS: return "Destination address required";
case MA_BAD_PROTOCOL: return "Protocol wrong type for socket";
case MA_PROTOCOL_UNAVAILABLE: return "Protocol not available";
case MA_PROTOCOL_NOT_SUPPORTED: return "Protocol not supported";
case MA_PROTOCOL_FAMILY_NOT_SUPPORTED: return "Protocol family not supported";
case MA_ADDRESS_FAMILY_NOT_SUPPORTED: return "Address family not supported";
case MA_SOCKET_NOT_SUPPORTED: return "Socket type not supported";
case MA_CONNECTION_RESET: return "Connection reset";
case MA_ALREADY_CONNECTED: return "Already connected";
case MA_NOT_CONNECTED: return "Not connected";
case MA_CONNECTION_REFUSED: return "Connection refused";
case MA_NO_HOST: return "No host";
case MA_IN_PROGRESS: return "Operation in progress";
case MA_CANCELLED: return "Operation cancelled";
case MA_MEMORY_ALREADY_MAPPED: return "Memory already mapped";
case MA_FORMAT_NOT_SUPPORTED: return "Format not supported";
case MA_DEVICE_TYPE_NOT_SUPPORTED: return "Device type not supported";
case MA_SHARE_MODE_NOT_SUPPORTED: return "Share mode not supported";
case MA_NO_BACKEND: return "No backend";
case MA_NO_DEVICE: return "No device";
case MA_API_NOT_FOUND: return "API not found";
case MA_INVALID_DEVICE_CONFIG: return "Invalid device config";
case MA_DEVICE_NOT_INITIALIZED: return "Device not initialized";
case MA_DEVICE_NOT_STARTED: return "Device not started";
case MA_FAILED_TO_INIT_BACKEND: return "Failed to initialize backend";
case MA_FAILED_TO_OPEN_BACKEND_DEVICE: return "Failed to open backend device";
case MA_FAILED_TO_START_BACKEND_DEVICE: return "Failed to start backend device";
case MA_FAILED_TO_STOP_BACKEND_DEVICE: return "Failed to stop backend device";
default: return "Unknown error";
}
}
MA_API void* ma_malloc(size_t sz, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pAllocationCallbacks != NULL) {
if (pAllocationCallbacks->onMalloc != NULL) {
return pAllocationCallbacks->onMalloc(sz, pAllocationCallbacks->pUserData);
} else {
return NULL;
}
} else {
return ma__malloc_default(sz, NULL);
}
}
MA_API void* ma_calloc(size_t sz, const ma_allocation_callbacks* pAllocationCallbacks)
{
void* p = ma_malloc(sz, pAllocationCallbacks);
if (p != NULL) {
MA_ZERO_MEMORY(p, sz);
}
return p;
}
MA_API void* ma_realloc(void* p, size_t sz, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pAllocationCallbacks != NULL) {
if (pAllocationCallbacks->onRealloc != NULL) {
return pAllocationCallbacks->onRealloc(p, sz, pAllocationCallbacks->pUserData);
} else {
return NULL;
}
} else {
return ma__realloc_default(p, sz, NULL);
}
}
MA_API void ma_free(void* p, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (p == NULL) {
return;
}
if (pAllocationCallbacks != NULL) {
if (pAllocationCallbacks->onFree != NULL) {
pAllocationCallbacks->onFree(p, pAllocationCallbacks->pUserData);
} else {
return;
}
} else {
ma__free_default(p, NULL);
}
}
MA_API void* ma_aligned_malloc(size_t sz, size_t alignment, const ma_allocation_callbacks* pAllocationCallbacks)
{
size_t extraBytes;
void* pUnaligned;
void* pAligned;
if (alignment == 0) {
return 0;
}
extraBytes = alignment-1 + sizeof(void*);
pUnaligned = ma_malloc(sz + extraBytes, pAllocationCallbacks);
if (pUnaligned == NULL) {
return NULL;
}
pAligned = (void*)(((ma_uintptr)pUnaligned + extraBytes) & ~((ma_uintptr)(alignment-1)));
((void**)pAligned)[-1] = pUnaligned;
return pAligned;
}
MA_API void ma_aligned_free(void* p, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_free(((void**)p)[-1], pAllocationCallbacks);
}
MA_API const char* ma_get_format_name(ma_format format)
{
switch (format)
{
case ma_format_unknown: return "Unknown";
case ma_format_u8: return "8-bit Unsigned Integer";
case ma_format_s16: return "16-bit Signed Integer";
case ma_format_s24: return "24-bit Signed Integer (Tightly Packed)";
case ma_format_s32: return "32-bit Signed Integer";
case ma_format_f32: return "32-bit IEEE Floating Point";
default: return "Invalid";
}
}
MA_API void ma_blend_f32(float* pOut, float* pInA, float* pInB, float factor, ma_uint32 channels)
{
ma_uint32 i;
for (i = 0; i < channels; ++i) {
pOut[i] = ma_mix_f32(pInA[i], pInB[i], factor);
}
}
MA_API ma_uint32 ma_get_bytes_per_sample(ma_format format)
{
ma_uint32 sizes[] = {
0,
1,
2,
3,
4,
4,
};
return sizes[format];
}
#define MA_DATA_SOURCE_DEFAULT_RANGE_BEG 0
#define MA_DATA_SOURCE_DEFAULT_RANGE_END ~((ma_uint64)0)
#define MA_DATA_SOURCE_DEFAULT_LOOP_POINT_BEG 0
#define MA_DATA_SOURCE_DEFAULT_LOOP_POINT_END ~((ma_uint64)0)
MA_API ma_data_source_config ma_data_source_config_init(void)
{
ma_data_source_config config;
MA_ZERO_OBJECT(&config);
return config;
}
MA_API ma_result ma_data_source_init(const ma_data_source_config* pConfig, ma_data_source* pDataSource)
{
ma_data_source_base* pDataSourceBase = (ma_data_source_base*)pDataSource;
if (pDataSource == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pDataSourceBase);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->vtable == NULL) {
return MA_INVALID_ARGS;
}
pDataSourceBase->vtable = pConfig->vtable;
pDataSourceBase->rangeBegInFrames = MA_DATA_SOURCE_DEFAULT_RANGE_BEG;
pDataSourceBase->rangeEndInFrames = MA_DATA_SOURCE_DEFAULT_RANGE_END;
pDataSourceBase->loopBegInFrames = MA_DATA_SOURCE_DEFAULT_LOOP_POINT_BEG;
pDataSourceBase->loopEndInFrames = MA_DATA_SOURCE_DEFAULT_LOOP_POINT_END;
pDataSourceBase->pCurrent = pDataSource;
pDataSourceBase->pNext = NULL;
pDataSourceBase->onGetNext = NULL;
return MA_SUCCESS;
}
MA_API void ma_data_source_uninit(ma_data_source* pDataSource)
{
if (pDataSource == NULL) {
return;
}
}
static ma_result ma_data_source_resolve_current(ma_data_source* pDataSource, ma_data_source** ppCurrentDataSource)
{
ma_data_source_base* pCurrentDataSource = (ma_data_source_base*)pDataSource;
MA_ASSERT(pDataSource != NULL);
MA_ASSERT(ppCurrentDataSource != NULL);
if (pCurrentDataSource->pCurrent == NULL) {
if (pCurrentDataSource->pNext != NULL || pCurrentDataSource->onGetNext != NULL) {
pCurrentDataSource = NULL;
} else {
pCurrentDataSource = (ma_data_source_base*)pDataSource;
}
} else {
pCurrentDataSource = (ma_data_source_base*)pCurrentDataSource->pCurrent;
}
*ppCurrentDataSource = pCurrentDataSource;
return MA_SUCCESS;
}
static ma_result ma_data_source_read_pcm_frames_from_backend(ma_data_source* pDataSource, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
{
ma_data_source_base* pDataSourceBase = (ma_data_source_base*)pDataSource;
MA_ASSERT(pDataSourceBase != NULL);
MA_ASSERT(pDataSourceBase->vtable != NULL);
MA_ASSERT(pDataSourceBase->vtable->onRead != NULL);
MA_ASSERT(pFramesRead != NULL);
if (pFramesOut != NULL) {
return pDataSourceBase->vtable->onRead(pDataSourceBase, pFramesOut, frameCount, pFramesRead);
} else {
ma_result result;
ma_uint64 framesRead;
ma_format format;
ma_uint32 channels;
ma_uint64 discardBufferCapInFrames;
ma_uint8 pDiscardBuffer[4096];
result = ma_data_source_get_data_format(pDataSource, &format, &channels, NULL, NULL, 0);
if (result != MA_SUCCESS) {
return result;
}
discardBufferCapInFrames = sizeof(pDiscardBuffer) / ma_get_bytes_per_frame(format, channels);
framesRead = 0;
while (framesRead < frameCount) {
ma_uint64 framesReadThisIteration = 0;
ma_uint64 framesToRead = frameCount - framesRead;
if (framesToRead > discardBufferCapInFrames) {
framesToRead = discardBufferCapInFrames;
}
result = pDataSourceBase->vtable->onRead(pDataSourceBase, pDiscardBuffer, framesToRead, &framesReadThisIteration);
if (result != MA_SUCCESS) {
return result;
}
framesRead += framesReadThisIteration;
}
*pFramesRead = framesRead;
return MA_SUCCESS;
}
}
static ma_result ma_data_source_read_pcm_frames_within_range(ma_data_source* pDataSource, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
{
ma_data_source_base* pDataSourceBase = (ma_data_source_base*)pDataSource;
ma_result result;
ma_uint64 framesRead = 0;
ma_bool32 loop = ma_data_source_is_looping(pDataSource);
if (pDataSourceBase == NULL) {
return MA_AT_END;
}
if (frameCount == 0) {
return MA_INVALID_ARGS;
}
MA_ASSERT(pDataSourceBase->vtable != NULL);
if ((pDataSourceBase->vtable->flags & MA_DATA_SOURCE_SELF_MANAGED_RANGE_AND_LOOP_POINT) != 0 || (pDataSourceBase->rangeEndInFrames == ~((ma_uint64)0) && (pDataSourceBase->loopEndInFrames == ~((ma_uint64)0) || loop == MA_FALSE))) {
result = ma_data_source_read_pcm_frames_from_backend(pDataSource, pFramesOut, frameCount, &framesRead);
} else {
ma_uint64 relativeCursor;
ma_uint64 absoluteCursor;
result = ma_data_source_get_cursor_in_pcm_frames(pDataSourceBase, &relativeCursor);
if (result != MA_SUCCESS) {
result = ma_data_source_read_pcm_frames_from_backend(pDataSource, pFramesOut, frameCount, &framesRead);
} else {
ma_uint64 rangeBeg;
ma_uint64 rangeEnd;
rangeBeg = pDataSourceBase->rangeBegInFrames;
rangeEnd = pDataSourceBase->rangeEndInFrames;
absoluteCursor = rangeBeg + relativeCursor;
if (loop) {
if (pDataSourceBase->loopEndInFrames != ~((ma_uint64)0)) {
rangeEnd = ma_min(rangeEnd, pDataSourceBase->rangeBegInFrames + pDataSourceBase->loopEndInFrames);
}
}
if (frameCount > (rangeEnd - absoluteCursor) && rangeEnd != ~((ma_uint64)0)) {
frameCount = (rangeEnd - absoluteCursor);
}
if (frameCount > 0) {
result = ma_data_source_read_pcm_frames_from_backend(pDataSource, pFramesOut, frameCount, &framesRead);
} else {
result = MA_AT_END;
}
}
}
if (pFramesRead != NULL) {
*pFramesRead = framesRead;
}
if (result == MA_SUCCESS && framesRead == 0) {
result = MA_AT_END;
}
return result;
}
MA_API ma_result ma_data_source_read_pcm_frames(ma_data_source* pDataSource, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
{
ma_result result = MA_SUCCESS;
ma_data_source_base* pDataSourceBase = (ma_data_source_base*)pDataSource;
ma_data_source_base* pCurrentDataSource;
void* pRunningFramesOut = pFramesOut;
ma_uint64 totalFramesProcessed = 0;
ma_format format;
ma_uint32 channels;
ma_uint32 emptyLoopCounter = 0;
ma_bool32 loop;
if (pFramesRead != NULL) {
*pFramesRead = 0;
}
if (frameCount == 0) {
return MA_INVALID_ARGS;
}
if (pDataSourceBase == NULL) {
return MA_INVALID_ARGS;
}
loop = ma_data_source_is_looping(pDataSource);
if (ma_data_source_get_data_format(pDataSource, &format, &channels, NULL, NULL, 0) != MA_SUCCESS) {
result = ma_data_source_resolve_current(pDataSource, (ma_data_source**)&pCurrentDataSource);
if (result != MA_SUCCESS) {
return result;
}
return ma_data_source_read_pcm_frames_within_range(pCurrentDataSource, pFramesOut, frameCount, pFramesRead);
}
while (totalFramesProcessed < frameCount) {
ma_uint64 framesProcessed;
ma_uint64 framesRemaining = frameCount - totalFramesProcessed;
result = ma_data_source_resolve_current(pDataSource, (ma_data_source**)&pCurrentDataSource);
if (result != MA_SUCCESS) {
break;
}
if (pCurrentDataSource == NULL) {
break;
}
result = ma_data_source_read_pcm_frames_within_range(pCurrentDataSource, pRunningFramesOut, framesRemaining, &framesProcessed);
totalFramesProcessed += framesProcessed;
if (result != MA_SUCCESS && result != MA_AT_END) {
break;
}
if (result == MA_AT_END) {
result = MA_SUCCESS;
if (loop) {
if (framesProcessed == 0) {
emptyLoopCounter += 1;
if (emptyLoopCounter > 1) {
break;
}
} else {
emptyLoopCounter = 0;
}
result = ma_data_source_seek_to_pcm_frame(pCurrentDataSource, pCurrentDataSource->loopBegInFrames);
if (result != MA_SUCCESS) {
break;
}
result = MA_SUCCESS;
} else {
if (pCurrentDataSource->pNext != NULL) {
pDataSourceBase->pCurrent = pCurrentDataSource->pNext;
} else if (pCurrentDataSource->onGetNext != NULL) {
pDataSourceBase->pCurrent = pCurrentDataSource->onGetNext(pCurrentDataSource);
if (pDataSourceBase->pCurrent == NULL) {
break;
}
} else {
break;
}
result = ma_data_source_seek_to_pcm_frame(pDataSourceBase->pCurrent, 0);
if (result != MA_SUCCESS) {
break;
}
}
}
if (pRunningFramesOut != NULL) {
pRunningFramesOut = ma_offset_ptr(pRunningFramesOut, framesProcessed * ma_get_bytes_per_frame(format, channels));
}
}
if (pFramesRead != NULL) {
*pFramesRead = totalFramesProcessed;
}
MA_ASSERT(!(result == MA_AT_END && totalFramesProcessed > 0));
if (result == MA_SUCCESS && totalFramesProcessed == 0) {
result = MA_AT_END;
}
return result;
}
MA_API ma_result ma_data_source_seek_pcm_frames(ma_data_source* pDataSource, ma_uint64 frameCount, ma_uint64* pFramesSeeked)
{
return ma_data_source_read_pcm_frames(pDataSource, NULL, frameCount, pFramesSeeked);
}
MA_API ma_result ma_data_source_seek_to_pcm_frame(ma_data_source* pDataSource, ma_uint64 frameIndex)
{
ma_data_source_base* pDataSourceBase = (ma_data_source_base*)pDataSource;
if (pDataSourceBase == NULL) {
return MA_INVALID_ARGS;
}
if (pDataSourceBase->vtable->onSeek == NULL) {
return MA_NOT_IMPLEMENTED;
}
if (frameIndex > pDataSourceBase->rangeEndInFrames) {
return MA_INVALID_OPERATION;
}
MA_ASSERT(pDataSourceBase->vtable != NULL);
return pDataSourceBase->vtable->onSeek(pDataSource, pDataSourceBase->rangeBegInFrames + frameIndex);
}
MA_API ma_result ma_data_source_seek_seconds(ma_data_source* pDataSource, float secondCount, float* pSecondsSeeked)
{
ma_uint64 frameCount;
ma_uint64 framesSeeked = 0;
ma_uint32 sampleRate;
ma_result result;
if (pDataSource == NULL) {
return MA_INVALID_ARGS;
}
result = ma_data_source_get_data_format(pDataSource, NULL, NULL, &sampleRate, NULL, 0);
if (result != MA_SUCCESS) {
return result;
}
frameCount = (ma_uint64)(secondCount * sampleRate);
result = ma_data_source_seek_pcm_frames(pDataSource, frameCount, &framesSeeked);
*pSecondsSeeked = (ma_int64)framesSeeked / (float)sampleRate;
return result;
}
MA_API ma_result ma_data_source_seek_to_second(ma_data_source* pDataSource, float seekPointInSeconds)
{
ma_uint64 frameIndex;
ma_uint32 sampleRate;
ma_result result;
if (pDataSource == NULL) {
return MA_INVALID_ARGS;
}
result = ma_data_source_get_data_format(pDataSource, NULL, NULL, &sampleRate, NULL, 0);
if (result != MA_SUCCESS) {
return result;
}
frameIndex = (ma_uint64)(seekPointInSeconds * sampleRate);
return ma_data_source_seek_to_pcm_frame(pDataSource, frameIndex);
}
MA_API ma_result ma_data_source_get_data_format(ma_data_source* pDataSource, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap)
{
ma_data_source_base* pDataSourceBase = (ma_data_source_base*)pDataSource;
ma_result result;
ma_format format;
ma_uint32 channels;
ma_uint32 sampleRate;
if (pFormat != NULL) {
*pFormat = ma_format_unknown;
}
if (pChannels != NULL) {
*pChannels = 0;
}
if (pSampleRate != NULL) {
*pSampleRate = 0;
}
if (pChannelMap != NULL) {
MA_ZERO_MEMORY(pChannelMap, sizeof(*pChannelMap) * channelMapCap);
}
if (pDataSourceBase == NULL) {
return MA_INVALID_ARGS;
}
MA_ASSERT(pDataSourceBase->vtable != NULL);
if (pDataSourceBase->vtable->onGetDataFormat == NULL) {
return MA_NOT_IMPLEMENTED;
}
result = pDataSourceBase->vtable->onGetDataFormat(pDataSource, &format, &channels, &sampleRate, pChannelMap, channelMapCap);
if (result != MA_SUCCESS) {
return result;
}
if (pFormat != NULL) {
*pFormat = format;
}
if (pChannels != NULL) {
*pChannels = channels;
}
if (pSampleRate != NULL) {
*pSampleRate = sampleRate;
}
return MA_SUCCESS;
}
MA_API ma_result ma_data_source_get_cursor_in_pcm_frames(ma_data_source* pDataSource, ma_uint64* pCursor)
{
ma_data_source_base* pDataSourceBase = (ma_data_source_base*)pDataSource;
ma_result result;
ma_uint64 cursor;
if (pCursor == NULL) {
return MA_INVALID_ARGS;
}
*pCursor = 0;
if (pDataSourceBase == NULL) {
return MA_SUCCESS;
}
MA_ASSERT(pDataSourceBase->vtable != NULL);
if (pDataSourceBase->vtable->onGetCursor == NULL) {
return MA_NOT_IMPLEMENTED;
}
result = pDataSourceBase->vtable->onGetCursor(pDataSourceBase, &cursor);
if (result != MA_SUCCESS) {
return result;
}
if (cursor < pDataSourceBase->rangeBegInFrames) {
*pCursor = 0;
} else {
*pCursor = cursor - pDataSourceBase->rangeBegInFrames;
}
return MA_SUCCESS;
}
MA_API ma_result ma_data_source_get_length_in_pcm_frames(ma_data_source* pDataSource, ma_uint64* pLength)
{
ma_data_source_base* pDataSourceBase = (ma_data_source_base*)pDataSource;
if (pLength == NULL) {
return MA_INVALID_ARGS;
}
*pLength = 0;
if (pDataSourceBase == NULL) {
return MA_INVALID_ARGS;
}
MA_ASSERT(pDataSourceBase->vtable != NULL);
if (pDataSourceBase->rangeEndInFrames != ~((ma_uint64)0)) {
*pLength = pDataSourceBase->rangeEndInFrames - pDataSourceBase->rangeBegInFrames;
return MA_SUCCESS;
}
if (pDataSourceBase->vtable->onGetLength == NULL) {
return MA_NOT_IMPLEMENTED;
}
return pDataSourceBase->vtable->onGetLength(pDataSource, pLength);
}
MA_API ma_result ma_data_source_get_cursor_in_seconds(ma_data_source* pDataSource, float* pCursor)
{
ma_result result;
ma_uint64 cursorInPCMFrames;
ma_uint32 sampleRate;
if (pCursor == NULL) {
return MA_INVALID_ARGS;
}
*pCursor = 0;
result = ma_data_source_get_cursor_in_pcm_frames(pDataSource, &cursorInPCMFrames);
if (result != MA_SUCCESS) {
return result;
}
result = ma_data_source_get_data_format(pDataSource, NULL, NULL, &sampleRate, NULL, 0);
if (result != MA_SUCCESS) {
return result;
}
*pCursor = (ma_int64)cursorInPCMFrames / (float)sampleRate;
return MA_SUCCESS;
}
MA_API ma_result ma_data_source_get_length_in_seconds(ma_data_source* pDataSource, float* pLength)
{
ma_result result;
ma_uint64 lengthInPCMFrames;
ma_uint32 sampleRate;
if (pLength == NULL) {
return MA_INVALID_ARGS;
}
*pLength = 0;
result = ma_data_source_get_length_in_pcm_frames(pDataSource, &lengthInPCMFrames);
if (result != MA_SUCCESS) {
return result;
}
result = ma_data_source_get_data_format(pDataSource, NULL, NULL, &sampleRate, NULL, 0);
if (result != MA_SUCCESS) {
return result;
}
*pLength = (ma_int64)lengthInPCMFrames / (float)sampleRate;
return MA_SUCCESS;
}
MA_API ma_result ma_data_source_set_looping(ma_data_source* pDataSource, ma_bool32 isLooping)
{
ma_data_source_base* pDataSourceBase = (ma_data_source_base*)pDataSource;
if (pDataSource == NULL) {
return MA_INVALID_ARGS;
}
ma_atomic_exchange_32(&pDataSourceBase->isLooping, isLooping);
MA_ASSERT(pDataSourceBase->vtable != NULL);
if (pDataSourceBase->vtable->onSetLooping == NULL) {
return MA_SUCCESS;
}
return pDataSourceBase->vtable->onSetLooping(pDataSource, isLooping);
}
MA_API ma_bool32 ma_data_source_is_looping(const ma_data_source* pDataSource)
{
const ma_data_source_base* pDataSourceBase = (const ma_data_source_base*)pDataSource;
if (pDataSource == NULL) {
return MA_FALSE;
}
return ma_atomic_load_32(&pDataSourceBase->isLooping);
}
MA_API ma_result ma_data_source_set_range_in_pcm_frames(ma_data_source* pDataSource, ma_uint64 rangeBegInFrames, ma_uint64 rangeEndInFrames)
{
ma_data_source_base* pDataSourceBase = (ma_data_source_base*)pDataSource;
ma_result result;
ma_uint64 relativeCursor;
ma_uint64 absoluteCursor;
ma_bool32 doSeekAdjustment = MA_FALSE;
if (pDataSource == NULL) {
return MA_INVALID_ARGS;
}
if (rangeEndInFrames < rangeBegInFrames) {
return MA_INVALID_ARGS;
}
result = ma_data_source_get_cursor_in_pcm_frames(pDataSource, &relativeCursor);
if (result == MA_SUCCESS) {
doSeekAdjustment = MA_TRUE;
absoluteCursor = relativeCursor + pDataSourceBase->rangeBegInFrames;
} else {
doSeekAdjustment = MA_FALSE;
relativeCursor = 0;
absoluteCursor = 0;
}
pDataSourceBase->rangeBegInFrames = rangeBegInFrames;
pDataSourceBase->rangeEndInFrames = rangeEndInFrames;
pDataSourceBase->loopBegInFrames = 0;
pDataSourceBase->loopEndInFrames = ~((ma_uint64)0);
if (doSeekAdjustment) {
if (absoluteCursor < rangeBegInFrames) {
ma_data_source_seek_to_pcm_frame(pDataSource, 0);
} else if (absoluteCursor > rangeEndInFrames) {
ma_data_source_seek_to_pcm_frame(pDataSource, rangeEndInFrames - rangeBegInFrames);
}
}
return MA_SUCCESS;
}
MA_API void ma_data_source_get_range_in_pcm_frames(const ma_data_source* pDataSource, ma_uint64* pRangeBegInFrames, ma_uint64* pRangeEndInFrames)
{
const ma_data_source_base* pDataSourceBase = (const ma_data_source_base*)pDataSource;
if (pRangeBegInFrames != NULL) {
*pRangeBegInFrames = 0;
}
if (pRangeEndInFrames != NULL) {
*pRangeEndInFrames = 0;
}
if (pDataSource == NULL) {
return;
}
if (pRangeBegInFrames != NULL) {
*pRangeBegInFrames = pDataSourceBase->rangeBegInFrames;
}
if (pRangeEndInFrames != NULL) {
*pRangeEndInFrames = pDataSourceBase->rangeEndInFrames;
}
}
MA_API ma_result ma_data_source_set_loop_point_in_pcm_frames(ma_data_source* pDataSource, ma_uint64 loopBegInFrames, ma_uint64 loopEndInFrames)
{
ma_data_source_base* pDataSourceBase = (ma_data_source_base*)pDataSource;
if (pDataSource == NULL) {
return MA_INVALID_ARGS;
}
if (loopEndInFrames < loopBegInFrames) {
return MA_INVALID_ARGS;
}
if (loopEndInFrames > pDataSourceBase->rangeEndInFrames && loopEndInFrames != ~((ma_uint64)0)) {
return MA_INVALID_ARGS;
}
pDataSourceBase->loopBegInFrames = loopBegInFrames;
pDataSourceBase->loopEndInFrames = loopEndInFrames;
if (pDataSourceBase->loopEndInFrames > (pDataSourceBase->rangeEndInFrames - pDataSourceBase->rangeBegInFrames) && pDataSourceBase->loopEndInFrames != ~((ma_uint64)0)) {
pDataSourceBase->loopEndInFrames = (pDataSourceBase->rangeEndInFrames - pDataSourceBase->rangeBegInFrames);
}
return MA_SUCCESS;
}
MA_API void ma_data_source_get_loop_point_in_pcm_frames(const ma_data_source* pDataSource, ma_uint64* pLoopBegInFrames, ma_uint64* pLoopEndInFrames)
{
const ma_data_source_base* pDataSourceBase = (const ma_data_source_base*)pDataSource;
if (pLoopBegInFrames != NULL) {
*pLoopBegInFrames = 0;
}
if (pLoopEndInFrames != NULL) {
*pLoopEndInFrames = 0;
}
if (pDataSource == NULL) {
return;
}
if (pLoopBegInFrames != NULL) {
*pLoopBegInFrames = pDataSourceBase->loopBegInFrames;
}
if (pLoopEndInFrames != NULL) {
*pLoopEndInFrames = pDataSourceBase->loopEndInFrames;
}
}
MA_API ma_result ma_data_source_set_current(ma_data_source* pDataSource, ma_data_source* pCurrentDataSource)
{
ma_data_source_base* pDataSourceBase = (ma_data_source_base*)pDataSource;
if (pDataSource == NULL) {
return MA_INVALID_ARGS;
}
pDataSourceBase->pCurrent = pCurrentDataSource;
return MA_SUCCESS;
}
MA_API ma_data_source* ma_data_source_get_current(const ma_data_source* pDataSource)
{
const ma_data_source_base* pDataSourceBase = (const ma_data_source_base*)pDataSource;
if (pDataSource == NULL) {
return NULL;
}
return pDataSourceBase->pCurrent;
}
MA_API ma_result ma_data_source_set_next(ma_data_source* pDataSource, ma_data_source* pNextDataSource)
{
ma_data_source_base* pDataSourceBase = (ma_data_source_base*)pDataSource;
if (pDataSource == NULL) {
return MA_INVALID_ARGS;
}
pDataSourceBase->pNext = pNextDataSource;
return MA_SUCCESS;
}
MA_API ma_data_source* ma_data_source_get_next(const ma_data_source* pDataSource)
{
const ma_data_source_base* pDataSourceBase = (const ma_data_source_base*)pDataSource;
if (pDataSource == NULL) {
return NULL;
}
return pDataSourceBase->pNext;
}
MA_API ma_result ma_data_source_set_next_callback(ma_data_source* pDataSource, ma_data_source_get_next_proc onGetNext)
{
ma_data_source_base* pDataSourceBase = (ma_data_source_base*)pDataSource;
if (pDataSource == NULL) {
return MA_INVALID_ARGS;
}
pDataSourceBase->onGetNext = onGetNext;
return MA_SUCCESS;
}
MA_API ma_data_source_get_next_proc ma_data_source_get_next_callback(const ma_data_source* pDataSource)
{
const ma_data_source_base* pDataSourceBase = (const ma_data_source_base*)pDataSource;
if (pDataSource == NULL) {
return NULL;
}
return pDataSourceBase->onGetNext;
}
static ma_result ma_audio_buffer_ref__data_source_on_read(ma_data_source* pDataSource, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
{
ma_audio_buffer_ref* pAudioBufferRef = (ma_audio_buffer_ref*)pDataSource;
ma_uint64 framesRead = ma_audio_buffer_ref_read_pcm_frames(pAudioBufferRef, pFramesOut, frameCount, MA_FALSE);
if (pFramesRead != NULL) {
*pFramesRead = framesRead;
}
if (framesRead < frameCount || framesRead == 0) {
return MA_AT_END;
}
return MA_SUCCESS;
}
static ma_result ma_audio_buffer_ref__data_source_on_seek(ma_data_source* pDataSource, ma_uint64 frameIndex)
{
return ma_audio_buffer_ref_seek_to_pcm_frame((ma_audio_buffer_ref*)pDataSource, frameIndex);
}
static ma_result ma_audio_buffer_ref__data_source_on_get_data_format(ma_data_source* pDataSource, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap)
{
ma_audio_buffer_ref* pAudioBufferRef = (ma_audio_buffer_ref*)pDataSource;
*pFormat = pAudioBufferRef->format;
*pChannels = pAudioBufferRef->channels;
*pSampleRate = pAudioBufferRef->sampleRate;
ma_channel_map_init_standard(ma_standard_channel_map_default, pChannelMap, channelMapCap, pAudioBufferRef->channels);
return MA_SUCCESS;
}
static ma_result ma_audio_buffer_ref__data_source_on_get_cursor(ma_data_source* pDataSource, ma_uint64* pCursor)
{
ma_audio_buffer_ref* pAudioBufferRef = (ma_audio_buffer_ref*)pDataSource;
*pCursor = pAudioBufferRef->cursor;
return MA_SUCCESS;
}
static ma_result ma_audio_buffer_ref__data_source_on_get_length(ma_data_source* pDataSource, ma_uint64* pLength)
{
ma_audio_buffer_ref* pAudioBufferRef = (ma_audio_buffer_ref*)pDataSource;
*pLength = pAudioBufferRef->sizeInFrames;
return MA_SUCCESS;
}
static ma_data_source_vtable g_ma_audio_buffer_ref_data_source_vtable =
{
ma_audio_buffer_ref__data_source_on_read,
ma_audio_buffer_ref__data_source_on_seek,
ma_audio_buffer_ref__data_source_on_get_data_format,
ma_audio_buffer_ref__data_source_on_get_cursor,
ma_audio_buffer_ref__data_source_on_get_length,
NULL,
0
};
MA_API ma_result ma_audio_buffer_ref_init(ma_format format, ma_uint32 channels, const void* pData, ma_uint64 sizeInFrames, ma_audio_buffer_ref* pAudioBufferRef)
{
ma_result result;
ma_data_source_config dataSourceConfig;
if (pAudioBufferRef == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pAudioBufferRef);
dataSourceConfig = ma_data_source_config_init();
dataSourceConfig.vtable = &g_ma_audio_buffer_ref_data_source_vtable;
result = ma_data_source_init(&dataSourceConfig, &pAudioBufferRef->ds);
if (result != MA_SUCCESS) {
return result;
}
pAudioBufferRef->format = format;
pAudioBufferRef->channels = channels;
pAudioBufferRef->sampleRate = 0;
pAudioBufferRef->cursor = 0;
pAudioBufferRef->sizeInFrames = sizeInFrames;
pAudioBufferRef->pData = pData;
return MA_SUCCESS;
}
MA_API void ma_audio_buffer_ref_uninit(ma_audio_buffer_ref* pAudioBufferRef)
{
if (pAudioBufferRef == NULL) {
return;
}
ma_data_source_uninit(&pAudioBufferRef->ds);
}
MA_API ma_result ma_audio_buffer_ref_set_data(ma_audio_buffer_ref* pAudioBufferRef, const void* pData, ma_uint64 sizeInFrames)
{
if (pAudioBufferRef == NULL) {
return MA_INVALID_ARGS;
}
pAudioBufferRef->cursor = 0;
pAudioBufferRef->sizeInFrames = sizeInFrames;
pAudioBufferRef->pData = pData;
return MA_SUCCESS;
}
MA_API ma_uint64 ma_audio_buffer_ref_read_pcm_frames(ma_audio_buffer_ref* pAudioBufferRef, void* pFramesOut, ma_uint64 frameCount, ma_bool32 loop)
{
ma_uint64 totalFramesRead = 0;
if (pAudioBufferRef == NULL) {
return 0;
}
if (frameCount == 0) {
return 0;
}
while (totalFramesRead < frameCount) {
ma_uint64 framesAvailable = pAudioBufferRef->sizeInFrames - pAudioBufferRef->cursor;
ma_uint64 framesRemaining = frameCount - totalFramesRead;
ma_uint64 framesToRead;
framesToRead = framesRemaining;
if (framesToRead > framesAvailable) {
framesToRead = framesAvailable;
}
if (pFramesOut != NULL) {
ma_copy_pcm_frames(ma_offset_ptr(pFramesOut, totalFramesRead * ma_get_bytes_per_frame(pAudioBufferRef->format, pAudioBufferRef->channels)), ma_offset_ptr(pAudioBufferRef->pData, pAudioBufferRef->cursor * ma_get_bytes_per_frame(pAudioBufferRef->format, pAudioBufferRef->channels)), framesToRead, pAudioBufferRef->format, pAudioBufferRef->channels);
}
totalFramesRead += framesToRead;
pAudioBufferRef->cursor += framesToRead;
if (pAudioBufferRef->cursor == pAudioBufferRef->sizeInFrames) {
if (loop) {
pAudioBufferRef->cursor = 0;
} else {
break;
}
}
MA_ASSERT(pAudioBufferRef->cursor < pAudioBufferRef->sizeInFrames);
}
return totalFramesRead;
}
MA_API ma_result ma_audio_buffer_ref_seek_to_pcm_frame(ma_audio_buffer_ref* pAudioBufferRef, ma_uint64 frameIndex)
{
if (pAudioBufferRef == NULL) {
return MA_INVALID_ARGS;
}
if (frameIndex > pAudioBufferRef->sizeInFrames) {
return MA_INVALID_ARGS;
}
pAudioBufferRef->cursor = (size_t)frameIndex;
return MA_SUCCESS;
}
MA_API ma_result ma_audio_buffer_ref_map(ma_audio_buffer_ref* pAudioBufferRef, void** ppFramesOut, ma_uint64* pFrameCount)
{
ma_uint64 framesAvailable;
ma_uint64 frameCount = 0;
if (ppFramesOut != NULL) {
*ppFramesOut = NULL;
}
if (pFrameCount != NULL) {
frameCount = *pFrameCount;
*pFrameCount = 0;
}
if (pAudioBufferRef == NULL || ppFramesOut == NULL || pFrameCount == NULL) {
return MA_INVALID_ARGS;
}
framesAvailable = pAudioBufferRef->sizeInFrames - pAudioBufferRef->cursor;
if (frameCount > framesAvailable) {
frameCount = framesAvailable;
}
*ppFramesOut = ma_offset_ptr(pAudioBufferRef->pData, pAudioBufferRef->cursor * ma_get_bytes_per_frame(pAudioBufferRef->format, pAudioBufferRef->channels));
*pFrameCount = frameCount;
return MA_SUCCESS;
}
MA_API ma_result ma_audio_buffer_ref_unmap(ma_audio_buffer_ref* pAudioBufferRef, ma_uint64 frameCount)
{
ma_uint64 framesAvailable;
if (pAudioBufferRef == NULL) {
return MA_INVALID_ARGS;
}
framesAvailable = pAudioBufferRef->sizeInFrames - pAudioBufferRef->cursor;
if (frameCount > framesAvailable) {
return MA_INVALID_ARGS;
}
pAudioBufferRef->cursor += frameCount;
if (pAudioBufferRef->cursor == pAudioBufferRef->sizeInFrames) {
return MA_AT_END;
} else {
return MA_SUCCESS;
}
}
MA_API ma_bool32 ma_audio_buffer_ref_at_end(const ma_audio_buffer_ref* pAudioBufferRef)
{
if (pAudioBufferRef == NULL) {
return MA_FALSE;
}
return pAudioBufferRef->cursor == pAudioBufferRef->sizeInFrames;
}
MA_API ma_result ma_audio_buffer_ref_get_cursor_in_pcm_frames(const ma_audio_buffer_ref* pAudioBufferRef, ma_uint64* pCursor)
{
if (pCursor == NULL) {
return MA_INVALID_ARGS;
}
*pCursor = 0;
if (pAudioBufferRef == NULL) {
return MA_INVALID_ARGS;
}
*pCursor = pAudioBufferRef->cursor;
return MA_SUCCESS;
}
MA_API ma_result ma_audio_buffer_ref_get_length_in_pcm_frames(const ma_audio_buffer_ref* pAudioBufferRef, ma_uint64* pLength)
{
if (pLength == NULL) {
return MA_INVALID_ARGS;
}
*pLength = 0;
if (pAudioBufferRef == NULL) {
return MA_INVALID_ARGS;
}
*pLength = pAudioBufferRef->sizeInFrames;
return MA_SUCCESS;
}
MA_API ma_result ma_audio_buffer_ref_get_available_frames(const ma_audio_buffer_ref* pAudioBufferRef, ma_uint64* pAvailableFrames)
{
if (pAvailableFrames == NULL) {
return MA_INVALID_ARGS;
}
*pAvailableFrames = 0;
if (pAudioBufferRef == NULL) {
return MA_INVALID_ARGS;
}
if (pAudioBufferRef->sizeInFrames <= pAudioBufferRef->cursor) {
*pAvailableFrames = 0;
} else {
*pAvailableFrames = pAudioBufferRef->sizeInFrames - pAudioBufferRef->cursor;
}
return MA_SUCCESS;
}
MA_API ma_audio_buffer_config ma_audio_buffer_config_init(ma_format format, ma_uint32 channels, ma_uint64 sizeInFrames, const void* pData, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_audio_buffer_config config;
MA_ZERO_OBJECT(&config);
config.format = format;
config.channels = channels;
config.sampleRate = 0;
config.sizeInFrames = sizeInFrames;
config.pData = pData;
ma_allocation_callbacks_init_copy(&config.allocationCallbacks, pAllocationCallbacks);
return config;
}
static ma_result ma_audio_buffer_init_ex(const ma_audio_buffer_config* pConfig, ma_bool32 doCopy, ma_audio_buffer* pAudioBuffer)
{
ma_result result;
if (pAudioBuffer == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_MEMORY(pAudioBuffer, sizeof(*pAudioBuffer) - sizeof(pAudioBuffer->_pExtraData));
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->sizeInFrames == 0) {
return MA_INVALID_ARGS;
}
result = ma_audio_buffer_ref_init(pConfig->format, pConfig->channels, NULL, 0, &pAudioBuffer->ref);
if (result != MA_SUCCESS) {
return result;
}
pAudioBuffer->ref.sampleRate = pConfig->sampleRate;
ma_allocation_callbacks_init_copy(&pAudioBuffer->allocationCallbacks, &pConfig->allocationCallbacks);
if (doCopy) {
ma_uint64 allocationSizeInBytes;
void* pData;
allocationSizeInBytes = pConfig->sizeInFrames * ma_get_bytes_per_frame(pConfig->format, pConfig->channels);
if (allocationSizeInBytes > MA_SIZE_MAX) {
return MA_OUT_OF_MEMORY;
}
pData = ma_malloc((size_t)allocationSizeInBytes, &pAudioBuffer->allocationCallbacks);
if (pData == NULL) {
return MA_OUT_OF_MEMORY;
}
if (pConfig->pData != NULL) {
ma_copy_pcm_frames(pData, pConfig->pData, pConfig->sizeInFrames, pConfig->format, pConfig->channels);
} else {
ma_silence_pcm_frames(pData, pConfig->sizeInFrames, pConfig->format, pConfig->channels);
}
ma_audio_buffer_ref_set_data(&pAudioBuffer->ref, pData, pConfig->sizeInFrames);
pAudioBuffer->ownsData = MA_TRUE;
} else {
ma_audio_buffer_ref_set_data(&pAudioBuffer->ref, pConfig->pData, pConfig->sizeInFrames);
pAudioBuffer->ownsData = MA_FALSE;
}
return MA_SUCCESS;
}
static void ma_audio_buffer_uninit_ex(ma_audio_buffer* pAudioBuffer, ma_bool32 doFree)
{
if (pAudioBuffer == NULL) {
return;
}
if (pAudioBuffer->ownsData && pAudioBuffer->ref.pData != &pAudioBuffer->_pExtraData[0]) {
ma_free((void*)pAudioBuffer->ref.pData, &pAudioBuffer->allocationCallbacks);
}
if (doFree) {
ma_free(pAudioBuffer, &pAudioBuffer->allocationCallbacks);
}
ma_audio_buffer_ref_uninit(&pAudioBuffer->ref);
}
MA_API ma_result ma_audio_buffer_init(const ma_audio_buffer_config* pConfig, ma_audio_buffer* pAudioBuffer)
{
return ma_audio_buffer_init_ex(pConfig, MA_FALSE, pAudioBuffer);
}
MA_API ma_result ma_audio_buffer_init_copy(const ma_audio_buffer_config* pConfig, ma_audio_buffer* pAudioBuffer)
{
return ma_audio_buffer_init_ex(pConfig, MA_TRUE, pAudioBuffer);
}
MA_API ma_result ma_audio_buffer_alloc_and_init(const ma_audio_buffer_config* pConfig, ma_audio_buffer** ppAudioBuffer)
{
ma_result result;
ma_audio_buffer* pAudioBuffer;
ma_audio_buffer_config innerConfig;
ma_uint64 allocationSizeInBytes;
if (ppAudioBuffer == NULL) {
return MA_INVALID_ARGS;
}
*ppAudioBuffer = NULL;
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
innerConfig = *pConfig;
ma_allocation_callbacks_init_copy(&innerConfig.allocationCallbacks, &pConfig->allocationCallbacks);
allocationSizeInBytes = sizeof(*pAudioBuffer) - sizeof(pAudioBuffer->_pExtraData) + (pConfig->sizeInFrames * ma_get_bytes_per_frame(pConfig->format, pConfig->channels));
if (allocationSizeInBytes > MA_SIZE_MAX) {
return MA_OUT_OF_MEMORY;
}
pAudioBuffer = (ma_audio_buffer*)ma_malloc((size_t)allocationSizeInBytes, &innerConfig.allocationCallbacks);
if (pAudioBuffer == NULL) {
return MA_OUT_OF_MEMORY;
}
if (pConfig->pData != NULL) {
ma_copy_pcm_frames(&pAudioBuffer->_pExtraData[0], pConfig->pData, pConfig->sizeInFrames, pConfig->format, pConfig->channels);
} else {
ma_silence_pcm_frames(&pAudioBuffer->_pExtraData[0], pConfig->sizeInFrames, pConfig->format, pConfig->channels);
}
innerConfig.pData = &pAudioBuffer->_pExtraData[0];
result = ma_audio_buffer_init_ex(&innerConfig, MA_FALSE, pAudioBuffer);
if (result != MA_SUCCESS) {
ma_free(pAudioBuffer, &innerConfig.allocationCallbacks);
return result;
}
*ppAudioBuffer = pAudioBuffer;
return MA_SUCCESS;
}
MA_API void ma_audio_buffer_uninit(ma_audio_buffer* pAudioBuffer)
{
ma_audio_buffer_uninit_ex(pAudioBuffer, MA_FALSE);
}
MA_API void ma_audio_buffer_uninit_and_free(ma_audio_buffer* pAudioBuffer)
{
ma_audio_buffer_uninit_ex(pAudioBuffer, MA_TRUE);
}
MA_API ma_uint64 ma_audio_buffer_read_pcm_frames(ma_audio_buffer* pAudioBuffer, void* pFramesOut, ma_uint64 frameCount, ma_bool32 loop)
{
if (pAudioBuffer == NULL) {
return 0;
}
return ma_audio_buffer_ref_read_pcm_frames(&pAudioBuffer->ref, pFramesOut, frameCount, loop);
}
MA_API ma_result ma_audio_buffer_seek_to_pcm_frame(ma_audio_buffer* pAudioBuffer, ma_uint64 frameIndex)
{
if (pAudioBuffer == NULL) {
return MA_INVALID_ARGS;
}
return ma_audio_buffer_ref_seek_to_pcm_frame(&pAudioBuffer->ref, frameIndex);
}
MA_API ma_result ma_audio_buffer_map(ma_audio_buffer* pAudioBuffer, void** ppFramesOut, ma_uint64* pFrameCount)
{
if (ppFramesOut != NULL) {
*ppFramesOut = NULL;
}
if (pAudioBuffer == NULL) {
if (pFrameCount != NULL) {
*pFrameCount = 0;
}
return MA_INVALID_ARGS;
}
return ma_audio_buffer_ref_map(&pAudioBuffer->ref, ppFramesOut, pFrameCount);
}
MA_API ma_result ma_audio_buffer_unmap(ma_audio_buffer* pAudioBuffer, ma_uint64 frameCount)
{
if (pAudioBuffer == NULL) {
return MA_INVALID_ARGS;
}
return ma_audio_buffer_ref_unmap(&pAudioBuffer->ref, frameCount);
}
MA_API ma_bool32 ma_audio_buffer_at_end(const ma_audio_buffer* pAudioBuffer)
{
if (pAudioBuffer == NULL) {
return MA_FALSE;
}
return ma_audio_buffer_ref_at_end(&pAudioBuffer->ref);
}
MA_API ma_result ma_audio_buffer_get_cursor_in_pcm_frames(const ma_audio_buffer* pAudioBuffer, ma_uint64* pCursor)
{
if (pAudioBuffer == NULL) {
return MA_INVALID_ARGS;
}
return ma_audio_buffer_ref_get_cursor_in_pcm_frames(&pAudioBuffer->ref, pCursor);
}
MA_API ma_result ma_audio_buffer_get_length_in_pcm_frames(const ma_audio_buffer* pAudioBuffer, ma_uint64* pLength)
{
if (pAudioBuffer == NULL) {
return MA_INVALID_ARGS;
}
return ma_audio_buffer_ref_get_length_in_pcm_frames(&pAudioBuffer->ref, pLength);
}
MA_API ma_result ma_audio_buffer_get_available_frames(const ma_audio_buffer* pAudioBuffer, ma_uint64* pAvailableFrames)
{
if (pAvailableFrames == NULL) {
return MA_INVALID_ARGS;
}
*pAvailableFrames = 0;
if (pAudioBuffer == NULL) {
return MA_INVALID_ARGS;
}
return ma_audio_buffer_ref_get_available_frames(&pAudioBuffer->ref, pAvailableFrames);
}
MA_API ma_result ma_paged_audio_buffer_data_init(ma_format format, ma_uint32 channels, ma_paged_audio_buffer_data* pData)
{
if (pData == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pData);
pData->format = format;
pData->channels = channels;
pData->pTail = &pData->head;
return MA_SUCCESS;
}
MA_API void ma_paged_audio_buffer_data_uninit(ma_paged_audio_buffer_data* pData, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_paged_audio_buffer_page* pPage;
if (pData == NULL) {
return;
}
pPage = (ma_paged_audio_buffer_page*)ma_atomic_load_ptr(&pData->head.pNext);
while (pPage != NULL) {
ma_paged_audio_buffer_page* pNext = (ma_paged_audio_buffer_page*)ma_atomic_load_ptr(&pPage->pNext);
ma_free(pPage, pAllocationCallbacks);
pPage = pNext;
}
}
MA_API ma_paged_audio_buffer_page* ma_paged_audio_buffer_data_get_head(ma_paged_audio_buffer_data* pData)
{
if (pData == NULL) {
return NULL;
}
return &pData->head;
}
MA_API ma_paged_audio_buffer_page* ma_paged_audio_buffer_data_get_tail(ma_paged_audio_buffer_data* pData)
{
if (pData == NULL) {
return NULL;
}
return pData->pTail;
}
MA_API ma_result ma_paged_audio_buffer_data_get_length_in_pcm_frames(ma_paged_audio_buffer_data* pData, ma_uint64* pLength)
{
ma_paged_audio_buffer_page* pPage;
if (pLength == NULL) {
return MA_INVALID_ARGS;
}
*pLength = 0;
if (pData == NULL) {
return MA_INVALID_ARGS;
}
for (pPage = (ma_paged_audio_buffer_page*)ma_atomic_load_ptr(&pData->head.pNext); pPage != NULL; pPage = (ma_paged_audio_buffer_page*)ma_atomic_load_ptr(&pPage->pNext)) {
*pLength += pPage->sizeInFrames;
}
return MA_SUCCESS;
}
MA_API ma_result ma_paged_audio_buffer_data_allocate_page(ma_paged_audio_buffer_data* pData, ma_uint64 pageSizeInFrames, const void* pInitialData, const ma_allocation_callbacks* pAllocationCallbacks, ma_paged_audio_buffer_page** ppPage)
{
ma_paged_audio_buffer_page* pPage;
ma_uint64 allocationSize;
if (ppPage == NULL) {
return MA_INVALID_ARGS;
}
*ppPage = NULL;
if (pData == NULL) {
return MA_INVALID_ARGS;
}
allocationSize = sizeof(*pPage) + (pageSizeInFrames * ma_get_bytes_per_frame(pData->format, pData->channels));
if (allocationSize > MA_SIZE_MAX) {
return MA_OUT_OF_MEMORY;
}
pPage = (ma_paged_audio_buffer_page*)ma_malloc((size_t)allocationSize, pAllocationCallbacks);
if (pPage == NULL) {
return MA_OUT_OF_MEMORY;
}
pPage->pNext = NULL;
pPage->sizeInFrames = pageSizeInFrames;
if (pInitialData != NULL) {
ma_copy_pcm_frames(pPage->pAudioData, pInitialData, pageSizeInFrames, pData->format, pData->channels);
}
*ppPage = pPage;
return MA_SUCCESS;
}
MA_API ma_result ma_paged_audio_buffer_data_free_page(ma_paged_audio_buffer_data* pData, ma_paged_audio_buffer_page* pPage, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pData == NULL || pPage == NULL) {
return MA_INVALID_ARGS;
}
ma_free(pPage, pAllocationCallbacks);
return MA_SUCCESS;
}
MA_API ma_result ma_paged_audio_buffer_data_append_page(ma_paged_audio_buffer_data* pData, ma_paged_audio_buffer_page* pPage)
{
if (pData == NULL || pPage == NULL) {
return MA_INVALID_ARGS;
}
for (;;) {
ma_paged_audio_buffer_page* pOldTail = (ma_paged_audio_buffer_page*)ma_atomic_load_ptr(&pData->pTail);
ma_paged_audio_buffer_page* pNewTail = pPage;
if (ma_atomic_compare_exchange_weak_ptr((volatile void**)&pData->pTail, (void**)&pOldTail, pNewTail)) {
ma_atomic_exchange_ptr(&pOldTail->pNext, pPage);
break;
}
}
return MA_SUCCESS;
}
MA_API ma_result ma_paged_audio_buffer_data_allocate_and_append_page(ma_paged_audio_buffer_data* pData, ma_uint32 pageSizeInFrames, const void* pInitialData, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_result result;
ma_paged_audio_buffer_page* pPage;
result = ma_paged_audio_buffer_data_allocate_page(pData, pageSizeInFrames, pInitialData, pAllocationCallbacks, &pPage);
if (result != MA_SUCCESS) {
return result;
}
return ma_paged_audio_buffer_data_append_page(pData, pPage);
}
MA_API ma_paged_audio_buffer_config ma_paged_audio_buffer_config_init(ma_paged_audio_buffer_data* pData)
{
ma_paged_audio_buffer_config config;
MA_ZERO_OBJECT(&config);
config.pData = pData;
return config;
}
static ma_result ma_paged_audio_buffer__data_source_on_read(ma_data_source* pDataSource, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
{
return ma_paged_audio_buffer_read_pcm_frames((ma_paged_audio_buffer*)pDataSource, pFramesOut, frameCount, pFramesRead);
}
static ma_result ma_paged_audio_buffer__data_source_on_seek(ma_data_source* pDataSource, ma_uint64 frameIndex)
{
return ma_paged_audio_buffer_seek_to_pcm_frame((ma_paged_audio_buffer*)pDataSource, frameIndex);
}
static ma_result ma_paged_audio_buffer__data_source_on_get_data_format(ma_data_source* pDataSource, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap)
{
ma_paged_audio_buffer* pPagedAudioBuffer = (ma_paged_audio_buffer*)pDataSource;
*pFormat = pPagedAudioBuffer->pData->format;
*pChannels = pPagedAudioBuffer->pData->channels;
*pSampleRate = 0;
ma_channel_map_init_standard(ma_standard_channel_map_default, pChannelMap, channelMapCap, pPagedAudioBuffer->pData->channels);
return MA_SUCCESS;
}
static ma_result ma_paged_audio_buffer__data_source_on_get_cursor(ma_data_source* pDataSource, ma_uint64* pCursor)
{
return ma_paged_audio_buffer_get_cursor_in_pcm_frames((ma_paged_audio_buffer*)pDataSource, pCursor);
}
static ma_result ma_paged_audio_buffer__data_source_on_get_length(ma_data_source* pDataSource, ma_uint64* pLength)
{
return ma_paged_audio_buffer_get_length_in_pcm_frames((ma_paged_audio_buffer*)pDataSource, pLength);
}
static ma_data_source_vtable g_ma_paged_audio_buffer_data_source_vtable =
{
ma_paged_audio_buffer__data_source_on_read,
ma_paged_audio_buffer__data_source_on_seek,
ma_paged_audio_buffer__data_source_on_get_data_format,
ma_paged_audio_buffer__data_source_on_get_cursor,
ma_paged_audio_buffer__data_source_on_get_length,
NULL,
0
};
MA_API ma_result ma_paged_audio_buffer_init(const ma_paged_audio_buffer_config* pConfig, ma_paged_audio_buffer* pPagedAudioBuffer)
{
ma_result result;
ma_data_source_config dataSourceConfig;
if (pPagedAudioBuffer == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pPagedAudioBuffer);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->pData == NULL) {
return MA_INVALID_ARGS;
}
dataSourceConfig = ma_data_source_config_init();
dataSourceConfig.vtable = &g_ma_paged_audio_buffer_data_source_vtable;
result = ma_data_source_init(&dataSourceConfig, &pPagedAudioBuffer->ds);
if (result != MA_SUCCESS) {
return result;
}
pPagedAudioBuffer->pData = pConfig->pData;
pPagedAudioBuffer->pCurrent = ma_paged_audio_buffer_data_get_head(pConfig->pData);
pPagedAudioBuffer->relativeCursor = 0;
pPagedAudioBuffer->absoluteCursor = 0;
return MA_SUCCESS;
}
MA_API void ma_paged_audio_buffer_uninit(ma_paged_audio_buffer* pPagedAudioBuffer)
{
if (pPagedAudioBuffer == NULL) {
return;
}
}
MA_API ma_result ma_paged_audio_buffer_read_pcm_frames(ma_paged_audio_buffer* pPagedAudioBuffer, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
{
ma_result result = MA_SUCCESS;
ma_uint64 totalFramesRead = 0;
ma_format format;
ma_uint32 channels;
if (pPagedAudioBuffer == NULL) {
return MA_INVALID_ARGS;
}
format = pPagedAudioBuffer->pData->format;
channels = pPagedAudioBuffer->pData->channels;
while (totalFramesRead < frameCount) {
ma_uint64 framesRemainingInCurrentPage;
ma_uint64 framesRemainingToRead = frameCount - totalFramesRead;
ma_uint64 framesToReadThisIteration;
MA_ASSERT(pPagedAudioBuffer->pCurrent != NULL);
framesRemainingInCurrentPage = pPagedAudioBuffer->pCurrent->sizeInFrames - pPagedAudioBuffer->relativeCursor;
framesToReadThisIteration = ma_min(framesRemainingInCurrentPage, framesRemainingToRead);
ma_copy_pcm_frames(ma_offset_pcm_frames_ptr(pFramesOut, totalFramesRead, format, channels), ma_offset_pcm_frames_ptr(pPagedAudioBuffer->pCurrent->pAudioData, pPagedAudioBuffer->relativeCursor, format, channels), framesToReadThisIteration, format, channels);
totalFramesRead += framesToReadThisIteration;
pPagedAudioBuffer->absoluteCursor += framesToReadThisIteration;
pPagedAudioBuffer->relativeCursor += framesToReadThisIteration;
MA_ASSERT(pPagedAudioBuffer->relativeCursor <= pPagedAudioBuffer->pCurrent->sizeInFrames);
if (pPagedAudioBuffer->relativeCursor == pPagedAudioBuffer->pCurrent->sizeInFrames) {
ma_paged_audio_buffer_page* pNext = (ma_paged_audio_buffer_page*)ma_atomic_load_ptr(&pPagedAudioBuffer->pCurrent->pNext);
if (pNext == NULL) {
result = MA_AT_END;
break;
} else {
pPagedAudioBuffer->pCurrent = pNext;
pPagedAudioBuffer->relativeCursor = 0;
}
}
}
if (pFramesRead != NULL) {
*pFramesRead = totalFramesRead;
}
return result;
}
MA_API ma_result ma_paged_audio_buffer_seek_to_pcm_frame(ma_paged_audio_buffer* pPagedAudioBuffer, ma_uint64 frameIndex)
{
if (pPagedAudioBuffer == NULL) {
return MA_INVALID_ARGS;
}
if (frameIndex == pPagedAudioBuffer->absoluteCursor) {
return MA_SUCCESS;
}
if (frameIndex < pPagedAudioBuffer->absoluteCursor) {
pPagedAudioBuffer->pCurrent = ma_paged_audio_buffer_data_get_head(pPagedAudioBuffer->pData);
pPagedAudioBuffer->absoluteCursor = 0;
pPagedAudioBuffer->relativeCursor = 0;
}
if (frameIndex > pPagedAudioBuffer->absoluteCursor) {
ma_paged_audio_buffer_page* pPage;
ma_uint64 runningCursor = 0;
for (pPage = (ma_paged_audio_buffer_page*)ma_atomic_load_ptr(&ma_paged_audio_buffer_data_get_head(pPagedAudioBuffer->pData)->pNext); pPage != NULL; pPage = (ma_paged_audio_buffer_page*)ma_atomic_load_ptr(&pPage->pNext)) {
ma_uint64 pageRangeBeg = runningCursor;
ma_uint64 pageRangeEnd = pageRangeBeg + pPage->sizeInFrames;
if (frameIndex >= pageRangeBeg) {
if (frameIndex < pageRangeEnd || (frameIndex == pageRangeEnd && pPage == (ma_paged_audio_buffer_page*)ma_atomic_load_ptr(ma_paged_audio_buffer_data_get_tail(pPagedAudioBuffer->pData)))) {
pPagedAudioBuffer->pCurrent = pPage;
pPagedAudioBuffer->absoluteCursor = frameIndex;
pPagedAudioBuffer->relativeCursor = frameIndex - pageRangeBeg;
return MA_SUCCESS;
}
}
runningCursor = pageRangeEnd;
}
return MA_BAD_SEEK;
}
return MA_SUCCESS;
}
MA_API ma_result ma_paged_audio_buffer_get_cursor_in_pcm_frames(ma_paged_audio_buffer* pPagedAudioBuffer, ma_uint64* pCursor)
{
if (pCursor == NULL) {
return MA_INVALID_ARGS;
}
*pCursor = 0;
if (pPagedAudioBuffer == NULL) {
return MA_INVALID_ARGS;
}
*pCursor = pPagedAudioBuffer->absoluteCursor;
return MA_SUCCESS;
}
MA_API ma_result ma_paged_audio_buffer_get_length_in_pcm_frames(ma_paged_audio_buffer* pPagedAudioBuffer, ma_uint64* pLength)
{
return ma_paged_audio_buffer_data_get_length_in_pcm_frames(pPagedAudioBuffer->pData, pLength);
}
MA_API ma_result ma_vfs_open(ma_vfs* pVFS, const char* pFilePath, ma_uint32 openMode, ma_vfs_file* pFile)
{
ma_vfs_callbacks* pCallbacks = (ma_vfs_callbacks*)pVFS;
if (pFile == NULL) {
return MA_INVALID_ARGS;
}
*pFile = NULL;
if (pVFS == NULL || pFilePath == NULL || openMode == 0) {
return MA_INVALID_ARGS;
}
if (pCallbacks->onOpen == NULL) {
return MA_NOT_IMPLEMENTED;
}
return pCallbacks->onOpen(pVFS, pFilePath, openMode, pFile);
}
MA_API ma_result ma_vfs_open_w(ma_vfs* pVFS, const wchar_t* pFilePath, ma_uint32 openMode, ma_vfs_file* pFile)
{
ma_vfs_callbacks* pCallbacks = (ma_vfs_callbacks*)pVFS;
if (pFile == NULL) {
return MA_INVALID_ARGS;
}
*pFile = NULL;
if (pVFS == NULL || pFilePath == NULL || openMode == 0) {
return MA_INVALID_ARGS;
}
if (pCallbacks->onOpenW == NULL) {
return MA_NOT_IMPLEMENTED;
}
return pCallbacks->onOpenW(pVFS, pFilePath, openMode, pFile);
}
MA_API ma_result ma_vfs_close(ma_vfs* pVFS, ma_vfs_file file)
{
ma_vfs_callbacks* pCallbacks = (ma_vfs_callbacks*)pVFS;
if (pVFS == NULL || file == NULL) {
return MA_INVALID_ARGS;
}
if (pCallbacks->onClose == NULL) {
return MA_NOT_IMPLEMENTED;
}
return pCallbacks->onClose(pVFS, file);
}
MA_API ma_result ma_vfs_read(ma_vfs* pVFS, ma_vfs_file file, void* pDst, size_t sizeInBytes, size_t* pBytesRead)
{
ma_vfs_callbacks* pCallbacks = (ma_vfs_callbacks*)pVFS;
ma_result result;
size_t bytesRead = 0;
if (pBytesRead != NULL) {
*pBytesRead = 0;
}
if (pVFS == NULL || file == NULL || pDst == NULL) {
return MA_INVALID_ARGS;
}
if (pCallbacks->onRead == NULL) {
return MA_NOT_IMPLEMENTED;
}
result = pCallbacks->onRead(pVFS, file, pDst, sizeInBytes, &bytesRead);
if (pBytesRead != NULL) {
*pBytesRead = bytesRead;
}
if (result == MA_SUCCESS && bytesRead == 0 && sizeInBytes > 0) {
result = MA_AT_END;
}
return result;
}
MA_API ma_result ma_vfs_write(ma_vfs* pVFS, ma_vfs_file file, const void* pSrc, size_t sizeInBytes, size_t* pBytesWritten)
{
ma_vfs_callbacks* pCallbacks = (ma_vfs_callbacks*)pVFS;
if (pBytesWritten != NULL) {
*pBytesWritten = 0;
}
if (pVFS == NULL || file == NULL || pSrc == NULL) {
return MA_INVALID_ARGS;
}
if (pCallbacks->onWrite == NULL) {
return MA_NOT_IMPLEMENTED;
}
return pCallbacks->onWrite(pVFS, file, pSrc, sizeInBytes, pBytesWritten);
}
MA_API ma_result ma_vfs_seek(ma_vfs* pVFS, ma_vfs_file file, ma_int64 offset, ma_seek_origin origin)
{
ma_vfs_callbacks* pCallbacks = (ma_vfs_callbacks*)pVFS;
if (pVFS == NULL || file == NULL) {
return MA_INVALID_ARGS;
}
if (pCallbacks->onSeek == NULL) {
return MA_NOT_IMPLEMENTED;
}
return pCallbacks->onSeek(pVFS, file, offset, origin);
}
MA_API ma_result ma_vfs_tell(ma_vfs* pVFS, ma_vfs_file file, ma_int64* pCursor)
{
ma_vfs_callbacks* pCallbacks = (ma_vfs_callbacks*)pVFS;
if (pCursor == NULL) {
return MA_INVALID_ARGS;
}
*pCursor = 0;
if (pVFS == NULL || file == NULL) {
return MA_INVALID_ARGS;
}
if (pCallbacks->onTell == NULL) {
return MA_NOT_IMPLEMENTED;
}
return pCallbacks->onTell(pVFS, file, pCursor);
}
MA_API ma_result ma_vfs_info(ma_vfs* pVFS, ma_vfs_file file, ma_file_info* pInfo)
{
ma_vfs_callbacks* pCallbacks = (ma_vfs_callbacks*)pVFS;
if (pInfo == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pInfo);
if (pVFS == NULL || file == NULL) {
return MA_INVALID_ARGS;
}
if (pCallbacks->onInfo == NULL) {
return MA_NOT_IMPLEMENTED;
}
return pCallbacks->onInfo(pVFS, file, pInfo);
}
#if !defined(MA_USE_WIN32_FILEIO) && (defined(MA_WIN32) && (defined(MA_WIN32_DESKTOP) || defined(MA_WIN32_NXDK)) && !defined(MA_NO_WIN32_FILEIO) && !defined(MA_POSIX))
#define MA_USE_WIN32_FILEIO
#endif
#if defined(MA_USE_WIN32_FILEIO)
typedef DWORD (__stdcall * ma_SetFilePointer_proc)(HANDLE hFile, LONG lDistanceToMove, LONG* lpDistanceToMoveHigh, DWORD dwMoveMethod);
typedef BOOL (__stdcall * ma_SetFilePointerEx_proc)(HANDLE hFile, LARGE_INTEGER liDistanceToMove, LARGE_INTEGER* lpNewFilePointer, DWORD dwMoveMethod);
static ma_handle hKernel32DLL = NULL;
static ma_SetFilePointer_proc ma_SetFilePointer = NULL;
static ma_SetFilePointerEx_proc ma_SetFilePointerEx = NULL;
static void ma_win32_fileio_init(void)
{
if (hKernel32DLL == NULL) {
hKernel32DLL = ma_dlopen(NULL, "kernel32.dll");
if (hKernel32DLL != NULL) {
ma_SetFilePointer = (ma_SetFilePointer_proc) ma_dlsym(NULL, hKernel32DLL, "SetFilePointer");
ma_SetFilePointerEx = (ma_SetFilePointerEx_proc)ma_dlsym(NULL, hKernel32DLL, "SetFilePointerEx");
}
}
}
static void ma_default_vfs__get_open_settings_win32(ma_uint32 openMode, DWORD* pDesiredAccess, DWORD* pShareMode, DWORD* pCreationDisposition)
{
*pDesiredAccess = 0;
if ((openMode & MA_OPEN_MODE_READ) != 0) {
*pDesiredAccess |= GENERIC_READ;
}
if ((openMode & MA_OPEN_MODE_WRITE) != 0) {
*pDesiredAccess |= GENERIC_WRITE;
}
*pShareMode = 0;
if ((openMode & MA_OPEN_MODE_READ) != 0) {
*pShareMode |= FILE_SHARE_READ;
}
if ((openMode & MA_OPEN_MODE_WRITE) != 0) {
*pCreationDisposition = CREATE_ALWAYS;
} else {
*pCreationDisposition = OPEN_EXISTING;
}
}
static ma_result ma_default_vfs_open__win32(ma_vfs* pVFS, const char* pFilePath, ma_uint32 openMode, ma_vfs_file* pFile)
{
HANDLE hFile;
DWORD dwDesiredAccess;
DWORD dwShareMode;
DWORD dwCreationDisposition;
(void)pVFS;
ma_win32_fileio_init();
ma_default_vfs__get_open_settings_win32(openMode, &dwDesiredAccess, &dwShareMode, &dwCreationDisposition);
hFile = CreateFileA(pFilePath, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, FILE_ATTRIBUTE_NORMAL, NULL);
if (hFile == INVALID_HANDLE_VALUE) {
return ma_result_from_GetLastError(GetLastError());
}
*pFile = hFile;
return MA_SUCCESS;
}
static ma_result ma_default_vfs_open_w__win32(ma_vfs* pVFS, const wchar_t* pFilePath, ma_uint32 openMode, ma_vfs_file* pFile)
{
#if !defined(MA_XBOX_NXDK)
{
HANDLE hFile;
DWORD dwDesiredAccess;
DWORD dwShareMode;
DWORD dwCreationDisposition;
(void)pVFS;
ma_win32_fileio_init();
ma_default_vfs__get_open_settings_win32(openMode, &dwDesiredAccess, &dwShareMode, &dwCreationDisposition);
hFile = CreateFileW(pFilePath, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, FILE_ATTRIBUTE_NORMAL, NULL);
if (hFile == INVALID_HANDLE_VALUE) {
return ma_result_from_GetLastError(GetLastError());
}
*pFile = hFile;
return MA_SUCCESS;
}
#else
{
return MA_NOT_IMPLEMENTED;
}
#endif
}
static ma_result ma_default_vfs_close__win32(ma_vfs* pVFS, ma_vfs_file file)
{
(void)pVFS;
if (CloseHandle((HANDLE)file) == 0) {
return ma_result_from_GetLastError(GetLastError());
}
return MA_SUCCESS;
}
static ma_result ma_default_vfs_read__win32(ma_vfs* pVFS, ma_vfs_file file, void* pDst, size_t sizeInBytes, size_t* pBytesRead)
{
ma_result result = MA_SUCCESS;
size_t totalBytesRead;
(void)pVFS;
totalBytesRead = 0;
while (totalBytesRead < sizeInBytes) {
size_t bytesRemaining;
DWORD bytesToRead;
DWORD bytesRead;
BOOL readResult;
bytesRemaining = sizeInBytes - totalBytesRead;
if (bytesRemaining >= 0xFFFFFFFF) {
bytesToRead = 0xFFFFFFFF;
} else {
bytesToRead = (DWORD)bytesRemaining;
}
readResult = ReadFile((HANDLE)file, ma_offset_ptr(pDst, totalBytesRead), bytesToRead, &bytesRead, NULL);
if (readResult == 1 && bytesRead == 0) {
result = MA_AT_END;
break;
}
totalBytesRead += bytesRead;
if (bytesRead < bytesToRead) {
break;
}
if (readResult == 0) {
result = ma_result_from_GetLastError(GetLastError());
break;
}
}
if (pBytesRead != NULL) {
*pBytesRead = totalBytesRead;
}
return result;
}
static ma_result ma_default_vfs_write__win32(ma_vfs* pVFS, ma_vfs_file file, const void* pSrc, size_t sizeInBytes, size_t* pBytesWritten)
{
ma_result result = MA_SUCCESS;
size_t totalBytesWritten;
(void)pVFS;
totalBytesWritten = 0;
while (totalBytesWritten < sizeInBytes) {
size_t bytesRemaining;
DWORD bytesToWrite;
DWORD bytesWritten;
BOOL writeResult;
bytesRemaining = sizeInBytes - totalBytesWritten;
if (bytesRemaining >= 0xFFFFFFFF) {
bytesToWrite = 0xFFFFFFFF;
} else {
bytesToWrite = (DWORD)bytesRemaining;
}
writeResult = WriteFile((HANDLE)file, ma_offset_ptr(pSrc, totalBytesWritten), bytesToWrite, &bytesWritten, NULL);
totalBytesWritten += bytesWritten;
if (writeResult == 0) {
result = ma_result_from_GetLastError(GetLastError());
break;
}
}
if (pBytesWritten != NULL) {
*pBytesWritten = totalBytesWritten;
}
return result;
}
static ma_result ma_default_vfs_seek__win32(ma_vfs* pVFS, ma_vfs_file file, ma_int64 offset, ma_seek_origin origin)
{
LARGE_INTEGER liDistanceToMove;
DWORD dwMoveMethod;
BOOL result;
(void)pVFS;
liDistanceToMove.QuadPart = offset;
if (origin == ma_seek_origin_current) {
dwMoveMethod = FILE_CURRENT;
} else if (origin == ma_seek_origin_end) {
dwMoveMethod = FILE_END;
} else {
dwMoveMethod = FILE_BEGIN;
}
if (ma_SetFilePointerEx != NULL) {
result = ma_SetFilePointerEx((HANDLE)file, liDistanceToMove, NULL, dwMoveMethod);
} else if (ma_SetFilePointer != NULL) {
if (offset > 0x7FFFFFFF) {
return MA_OUT_OF_RANGE;
}
result = ma_SetFilePointer((HANDLE)file, (LONG)liDistanceToMove.QuadPart, NULL, dwMoveMethod);
} else {
return MA_NOT_IMPLEMENTED;
}
if (result == 0) {
return ma_result_from_GetLastError(GetLastError());
}
return MA_SUCCESS;
}
static ma_result ma_default_vfs_tell__win32(ma_vfs* pVFS, ma_vfs_file file, ma_int64* pCursor)
{
LARGE_INTEGER liZero;
LARGE_INTEGER liTell;
BOOL result;
(void)pVFS;
liZero.QuadPart = 0;
if (ma_SetFilePointerEx != NULL) {
result = ma_SetFilePointerEx((HANDLE)file, liZero, &liTell, FILE_CURRENT);
} else if (ma_SetFilePointer != NULL) {
LONG tell;
result = ma_SetFilePointer((HANDLE)file, (LONG)liZero.QuadPart, &tell, FILE_CURRENT);
liTell.QuadPart = tell;
} else {
return MA_NOT_IMPLEMENTED;
}
if (result == 0) {
return ma_result_from_GetLastError(GetLastError());
}
if (pCursor != NULL) {
*pCursor = liTell.QuadPart;
}
return MA_SUCCESS;
}
static ma_result ma_default_vfs_info__win32(ma_vfs* pVFS, ma_vfs_file file, ma_file_info* pInfo)
{
(void)pVFS;
#if !defined(MA_XBOX_NXDK)
{
BY_HANDLE_FILE_INFORMATION fi;
BOOL result;
result = GetFileInformationByHandle((HANDLE)file, &fi);
if (result == 0) {
return ma_result_from_GetLastError(GetLastError());
}
pInfo->sizeInBytes = ((ma_uint64)fi.nFileSizeHigh << 32) | ((ma_uint64)fi.nFileSizeLow);
return MA_SUCCESS;
}
#else
{
return MA_NOT_IMPLEMENTED;
}
#endif
}
#else
static ma_result ma_default_vfs_open__stdio(ma_vfs* pVFS, const char* pFilePath, ma_uint32 openMode, ma_vfs_file* pFile)
{
ma_result result;
FILE* pFileStd;
const char* pOpenModeStr;
MA_ASSERT(pFilePath != NULL);
MA_ASSERT(openMode != 0);
MA_ASSERT(pFile != NULL);
(void)pVFS;
if ((openMode & MA_OPEN_MODE_READ) != 0) {
if ((openMode & MA_OPEN_MODE_WRITE) != 0) {
pOpenModeStr = "r+";
} else {
pOpenModeStr = "rb";
}
} else {
pOpenModeStr = "wb";
}
result = ma_fopen(&pFileStd, pFilePath, pOpenModeStr);
if (result != MA_SUCCESS) {
return result;
}
*pFile = pFileStd;
return MA_SUCCESS;
}
static ma_result ma_default_vfs_open_w__stdio(ma_vfs* pVFS, const wchar_t* pFilePath, ma_uint32 openMode, ma_vfs_file* pFile)
{
ma_result result;
FILE* pFileStd;
const wchar_t* pOpenModeStr;
MA_ASSERT(pFilePath != NULL);
MA_ASSERT(openMode != 0);
MA_ASSERT(pFile != NULL);
(void)pVFS;
if ((openMode & MA_OPEN_MODE_READ) != 0) {
if ((openMode & MA_OPEN_MODE_WRITE) != 0) {
pOpenModeStr = L"r+";
} else {
pOpenModeStr = L"rb";
}
} else {
pOpenModeStr = L"wb";
}
result = ma_wfopen(&pFileStd, pFilePath, pOpenModeStr, (pVFS != NULL) ? &((ma_default_vfs*)pVFS)->allocationCallbacks : NULL);
if (result != MA_SUCCESS) {
return result;
}
*pFile = pFileStd;
return MA_SUCCESS;
}
static ma_result ma_default_vfs_close__stdio(ma_vfs* pVFS, ma_vfs_file file)
{
MA_ASSERT(file != NULL);
(void)pVFS;
fclose((FILE*)file);
return MA_SUCCESS;
}
static ma_result ma_default_vfs_read__stdio(ma_vfs* pVFS, ma_vfs_file file, void* pDst, size_t sizeInBytes, size_t* pBytesRead)
{
size_t result;
MA_ASSERT(file != NULL);
MA_ASSERT(pDst != NULL);
(void)pVFS;
result = fread(pDst, 1, sizeInBytes, (FILE*)file);
if (pBytesRead != NULL) {
*pBytesRead = result;
}
if (result != sizeInBytes) {
if (result == 0 && feof((FILE*)file)) {
return MA_AT_END;
} else {
return ma_result_from_errno(ferror((FILE*)file));
}
}
return MA_SUCCESS;
}
static ma_result ma_default_vfs_write__stdio(ma_vfs* pVFS, ma_vfs_file file, const void* pSrc, size_t sizeInBytes, size_t* pBytesWritten)
{
size_t result;
MA_ASSERT(file != NULL);
MA_ASSERT(pSrc != NULL);
(void)pVFS;
result = fwrite(pSrc, 1, sizeInBytes, (FILE*)file);
if (pBytesWritten != NULL) {
*pBytesWritten = result;
}
if (result != sizeInBytes) {
return ma_result_from_errno(ferror((FILE*)file));
}
return MA_SUCCESS;
}
static ma_result ma_default_vfs_seek__stdio(ma_vfs* pVFS, ma_vfs_file file, ma_int64 offset, ma_seek_origin origin)
{
int result;
int whence;
MA_ASSERT(file != NULL);
(void)pVFS;
if (origin == ma_seek_origin_start) {
whence = SEEK_SET;
} else if (origin == ma_seek_origin_end) {
whence = SEEK_END;
} else {
whence = SEEK_CUR;
}
#if defined(_WIN32)
#if defined(_MSC_VER) && _MSC_VER > 1200
result = _fseeki64((FILE*)file, offset, whence);
#else
if (offset > 0x7FFFFFFF) {
return MA_OUT_OF_RANGE;
}
result = fseek((FILE*)file, (int)offset, whence);
#endif
#else
result = fseek((FILE*)file, (long int)offset, whence);
#endif
if (result != 0) {
return MA_ERROR;
}
return MA_SUCCESS;
}
static ma_result ma_default_vfs_tell__stdio(ma_vfs* pVFS, ma_vfs_file file, ma_int64* pCursor)
{
ma_int64 result;
MA_ASSERT(file != NULL);
MA_ASSERT(pCursor != NULL);
(void)pVFS;
#if defined(_WIN32)
#if defined(_MSC_VER) && _MSC_VER > 1200
result = _ftelli64((FILE*)file);
#else
result = ftell((FILE*)file);
#endif
#else
result = ftell((FILE*)file);
#endif
*pCursor = result;
return MA_SUCCESS;
}
#if !defined(_MSC_VER) && !((defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 1) || defined(_XOPEN_SOURCE) || defined(_POSIX_SOURCE)) && !defined(MA_BSD)
int fileno(FILE *stream);
#endif
static ma_result ma_default_vfs_info__stdio(ma_vfs* pVFS, ma_vfs_file file, ma_file_info* pInfo)
{
int fd;
struct stat info;
MA_ASSERT(file != NULL);
MA_ASSERT(pInfo != NULL);
(void)pVFS;
#if defined(_MSC_VER)
fd = _fileno((FILE*)file);
#else
fd = fileno((FILE*)file);
#endif
if (fstat(fd, &info) != 0) {
return ma_result_from_errno(errno);
}
pInfo->sizeInBytes = info.st_size;
return MA_SUCCESS;
}
#endif
static ma_result ma_default_vfs_open(ma_vfs* pVFS, const char* pFilePath, ma_uint32 openMode, ma_vfs_file* pFile)
{
if (pFile == NULL) {
return MA_INVALID_ARGS;
}
*pFile = NULL;
if (pFilePath == NULL || openMode == 0) {
return MA_INVALID_ARGS;
}
#if defined(MA_USE_WIN32_FILEIO)
return ma_default_vfs_open__win32(pVFS, pFilePath, openMode, pFile);
#else
return ma_default_vfs_open__stdio(pVFS, pFilePath, openMode, pFile);
#endif
}
static ma_result ma_default_vfs_open_w(ma_vfs* pVFS, const wchar_t* pFilePath, ma_uint32 openMode, ma_vfs_file* pFile)
{
if (pFile == NULL) {
return MA_INVALID_ARGS;
}
*pFile = NULL;
if (pFilePath == NULL || openMode == 0) {
return MA_INVALID_ARGS;
}
#if defined(MA_USE_WIN32_FILEIO)
return ma_default_vfs_open_w__win32(pVFS, pFilePath, openMode, pFile);
#else
return ma_default_vfs_open_w__stdio(pVFS, pFilePath, openMode, pFile);
#endif
}
static ma_result ma_default_vfs_close(ma_vfs* pVFS, ma_vfs_file file)
{
if (file == NULL) {
return MA_INVALID_ARGS;
}
#if defined(MA_USE_WIN32_FILEIO)
return ma_default_vfs_close__win32(pVFS, file);
#else
return ma_default_vfs_close__stdio(pVFS, file);
#endif
}
static ma_result ma_default_vfs_read(ma_vfs* pVFS, ma_vfs_file file, void* pDst, size_t sizeInBytes, size_t* pBytesRead)
{
if (pBytesRead != NULL) {
*pBytesRead = 0;
}
if (file == NULL || pDst == NULL) {
return MA_INVALID_ARGS;
}
#if defined(MA_USE_WIN32_FILEIO)
return ma_default_vfs_read__win32(pVFS, file, pDst, sizeInBytes, pBytesRead);
#else
return ma_default_vfs_read__stdio(pVFS, file, pDst, sizeInBytes, pBytesRead);
#endif
}
static ma_result ma_default_vfs_write(ma_vfs* pVFS, ma_vfs_file file, const void* pSrc, size_t sizeInBytes, size_t* pBytesWritten)
{
if (pBytesWritten != NULL) {
*pBytesWritten = 0;
}
if (file == NULL || pSrc == NULL) {
return MA_INVALID_ARGS;
}
#if defined(MA_USE_WIN32_FILEIO)
return ma_default_vfs_write__win32(pVFS, file, pSrc, sizeInBytes, pBytesWritten);
#else
return ma_default_vfs_write__stdio(pVFS, file, pSrc, sizeInBytes, pBytesWritten);
#endif
}
static ma_result ma_default_vfs_seek(ma_vfs* pVFS, ma_vfs_file file, ma_int64 offset, ma_seek_origin origin)
{
if (file == NULL) {
return MA_INVALID_ARGS;
}
#if defined(MA_USE_WIN32_FILEIO)
return ma_default_vfs_seek__win32(pVFS, file, offset, origin);
#else
return ma_default_vfs_seek__stdio(pVFS, file, offset, origin);
#endif
}
static ma_result ma_default_vfs_tell(ma_vfs* pVFS, ma_vfs_file file, ma_int64* pCursor)
{
if (pCursor == NULL) {
return MA_INVALID_ARGS;
}
*pCursor = 0;
if (file == NULL) {
return MA_INVALID_ARGS;
}
#if defined(MA_USE_WIN32_FILEIO)
return ma_default_vfs_tell__win32(pVFS, file, pCursor);
#else
return ma_default_vfs_tell__stdio(pVFS, file, pCursor);
#endif
}
static ma_result ma_default_vfs_info(ma_vfs* pVFS, ma_vfs_file file, ma_file_info* pInfo)
{
ma_result result;
if (pInfo == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pInfo);
if (file == NULL) {
return MA_INVALID_ARGS;
}
#if defined(MA_USE_WIN32_FILEIO)
result = ma_default_vfs_info__win32(pVFS, file, pInfo);
#else
result = ma_default_vfs_info__stdio(pVFS, file, pInfo);
#endif
if (result == MA_NOT_IMPLEMENTED) {
ma_int64 cursor;
ma_int64 sizeInBytes;
result = ma_default_vfs_tell(pVFS, file, &cursor);
if (result != MA_SUCCESS) {
return result;
}
result = ma_default_vfs_seek(pVFS, file, 0, ma_seek_origin_end);
if (result != MA_SUCCESS) {
return result;
}
result = ma_default_vfs_tell(pVFS, file, &sizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
pInfo->sizeInBytes = sizeInBytes;
result = ma_default_vfs_seek(pVFS, file, cursor, ma_seek_origin_start);
if (result != MA_SUCCESS) {
return result;
}
MA_ASSERT(result == MA_SUCCESS);
}
return result;
}
MA_API ma_result ma_default_vfs_init(ma_default_vfs* pVFS, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pVFS == NULL) {
return MA_INVALID_ARGS;
}
pVFS->cb.onOpen = ma_default_vfs_open;
pVFS->cb.onOpenW = ma_default_vfs_open_w;
pVFS->cb.onClose = ma_default_vfs_close;
pVFS->cb.onRead = ma_default_vfs_read;
pVFS->cb.onWrite = ma_default_vfs_write;
pVFS->cb.onSeek = ma_default_vfs_seek;
pVFS->cb.onTell = ma_default_vfs_tell;
pVFS->cb.onInfo = ma_default_vfs_info;
ma_allocation_callbacks_init_copy(&pVFS->allocationCallbacks, pAllocationCallbacks);
return MA_SUCCESS;
}
MA_API ma_result ma_vfs_or_default_open(ma_vfs* pVFS, const char* pFilePath, ma_uint32 openMode, ma_vfs_file* pFile)
{
if (pVFS != NULL) {
return ma_vfs_open(pVFS, pFilePath, openMode, pFile);
} else {
return ma_default_vfs_open(pVFS, pFilePath, openMode, pFile);
}
}
MA_API ma_result ma_vfs_or_default_open_w(ma_vfs* pVFS, const wchar_t* pFilePath, ma_uint32 openMode, ma_vfs_file* pFile)
{
if (pVFS != NULL) {
return ma_vfs_open_w(pVFS, pFilePath, openMode, pFile);
} else {
return ma_default_vfs_open_w(pVFS, pFilePath, openMode, pFile);
}
}
MA_API ma_result ma_vfs_or_default_close(ma_vfs* pVFS, ma_vfs_file file)
{
if (pVFS != NULL) {
return ma_vfs_close(pVFS, file);
} else {
return ma_default_vfs_close(pVFS, file);
}
}
MA_API ma_result ma_vfs_or_default_read(ma_vfs* pVFS, ma_vfs_file file, void* pDst, size_t sizeInBytes, size_t* pBytesRead)
{
if (pVFS != NULL) {
return ma_vfs_read(pVFS, file, pDst, sizeInBytes, pBytesRead);
} else {
return ma_default_vfs_read(pVFS, file, pDst, sizeInBytes, pBytesRead);
}
}
MA_API ma_result ma_vfs_or_default_write(ma_vfs* pVFS, ma_vfs_file file, const void* pSrc, size_t sizeInBytes, size_t* pBytesWritten)
{
if (pVFS != NULL) {
return ma_vfs_write(pVFS, file, pSrc, sizeInBytes, pBytesWritten);
} else {
return ma_default_vfs_write(pVFS, file, pSrc, sizeInBytes, pBytesWritten);
}
}
MA_API ma_result ma_vfs_or_default_seek(ma_vfs* pVFS, ma_vfs_file file, ma_int64 offset, ma_seek_origin origin)
{
if (pVFS != NULL) {
return ma_vfs_seek(pVFS, file, offset, origin);
} else {
return ma_default_vfs_seek(pVFS, file, offset, origin);
}
}
MA_API ma_result ma_vfs_or_default_tell(ma_vfs* pVFS, ma_vfs_file file, ma_int64* pCursor)
{
if (pVFS != NULL) {
return ma_vfs_tell(pVFS, file, pCursor);
} else {
return ma_default_vfs_tell(pVFS, file, pCursor);
}
}
MA_API ma_result ma_vfs_or_default_info(ma_vfs* pVFS, ma_vfs_file file, ma_file_info* pInfo)
{
if (pVFS != NULL) {
return ma_vfs_info(pVFS, file, pInfo);
} else {
return ma_default_vfs_info(pVFS, file, pInfo);
}
}
static ma_result ma_vfs_open_and_read_file_ex(ma_vfs* pVFS, const char* pFilePath, const wchar_t* pFilePathW, void** ppData, size_t* pSize, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_result result;
ma_vfs_file file;
ma_file_info info;
void* pData;
size_t bytesRead;
if (ppData != NULL) {
*ppData = NULL;
}
if (pSize != NULL) {
*pSize = 0;
}
if (ppData == NULL) {
return MA_INVALID_ARGS;
}
if (pFilePath != NULL) {
result = ma_vfs_or_default_open(pVFS, pFilePath, MA_OPEN_MODE_READ, &file);
} else {
result = ma_vfs_or_default_open_w(pVFS, pFilePathW, MA_OPEN_MODE_READ, &file);
}
if (result != MA_SUCCESS) {
return result;
}
result = ma_vfs_or_default_info(pVFS, file, &info);
if (result != MA_SUCCESS) {
ma_vfs_or_default_close(pVFS, file);
return result;
}
if (info.sizeInBytes > MA_SIZE_MAX) {
ma_vfs_or_default_close(pVFS, file);
return MA_TOO_BIG;
}
pData = ma_malloc((size_t)info.sizeInBytes, pAllocationCallbacks);
if (pData == NULL) {
ma_vfs_or_default_close(pVFS, file);
return result;
}
result = ma_vfs_or_default_read(pVFS, file, pData, (size_t)info.sizeInBytes, &bytesRead);
ma_vfs_or_default_close(pVFS, file);
if (result != MA_SUCCESS) {
ma_free(pData, pAllocationCallbacks);
return result;
}
if (pSize != NULL) {
*pSize = bytesRead;
}
MA_ASSERT(ppData != NULL);
*ppData = pData;
return MA_SUCCESS;
}
MA_API ma_result ma_vfs_open_and_read_file(ma_vfs* pVFS, const char* pFilePath, void** ppData, size_t* pSize, const ma_allocation_callbacks* pAllocationCallbacks)
{
return ma_vfs_open_and_read_file_ex(pVFS, pFilePath, NULL, ppData, pSize, pAllocationCallbacks);
}
MA_API ma_result ma_vfs_open_and_read_file_w(ma_vfs* pVFS, const wchar_t* pFilePath, void** ppData, size_t* pSize, const ma_allocation_callbacks* pAllocationCallbacks)
{
return ma_vfs_open_and_read_file_ex(pVFS, NULL, pFilePath, ppData, pSize, pAllocationCallbacks);
}
#if !defined(MA_NO_WAV) && (!defined(MA_NO_DECODING) || !defined(MA_NO_ENCODING))
#define MA_HAS_WAV
#ifndef ma_dr_wav_h
#define ma_dr_wav_h
#ifdef __cplusplus
extern "C" {
#endif
#define MA_DR_WAV_STRINGIFY(x) #x
#define MA_DR_WAV_XSTRINGIFY(x) MA_DR_WAV_STRINGIFY(x)
#define MA_DR_WAV_VERSION_MAJOR 0
#define MA_DR_WAV_VERSION_MINOR 14
#define MA_DR_WAV_VERSION_REVISION 4
#define MA_DR_WAV_VERSION_STRING MA_DR_WAV_XSTRINGIFY(MA_DR_WAV_VERSION_MAJOR) "." MA_DR_WAV_XSTRINGIFY(MA_DR_WAV_VERSION_MINOR) "." MA_DR_WAV_XSTRINGIFY(MA_DR_WAV_VERSION_REVISION)
#include <stddef.h>
#define MA_DR_WAVE_FORMAT_PCM 0x1
#define MA_DR_WAVE_FORMAT_ADPCM 0x2
#define MA_DR_WAVE_FORMAT_IEEE_FLOAT 0x3
#define MA_DR_WAVE_FORMAT_ALAW 0x6
#define MA_DR_WAVE_FORMAT_MULAW 0x7
#define MA_DR_WAVE_FORMAT_DVI_ADPCM 0x11
#define MA_DR_WAVE_FORMAT_EXTENSIBLE 0xFFFE
#define MA_DR_WAV_SEQUENTIAL 0x00000001
#define MA_DR_WAV_WITH_METADATA 0x00000002
MA_API void ma_dr_wav_version(ma_uint32* pMajor, ma_uint32* pMinor, ma_uint32* pRevision);
MA_API const char* ma_dr_wav_version_string(void);
typedef enum
{
MA_DR_WAV_SEEK_SET,
MA_DR_WAV_SEEK_CUR,
MA_DR_WAV_SEEK_END
} ma_dr_wav_seek_origin;
typedef enum
{
ma_dr_wav_container_riff,
ma_dr_wav_container_rifx,
ma_dr_wav_container_w64,
ma_dr_wav_container_rf64,
ma_dr_wav_container_aiff
} ma_dr_wav_container;
typedef struct
{
union
{
ma_uint8 fourcc[4];
ma_uint8 guid[16];
} id;
ma_uint64 sizeInBytes;
unsigned int paddingSize;
} ma_dr_wav_chunk_header;
typedef struct
{
ma_uint16 formatTag;
ma_uint16 channels;
ma_uint32 sampleRate;
ma_uint32 avgBytesPerSec;
ma_uint16 blockAlign;
ma_uint16 bitsPerSample;
ma_uint16 extendedSize;
ma_uint16 validBitsPerSample;
ma_uint32 channelMask;
ma_uint8 subFormat[16];
} ma_dr_wav_fmt;
MA_API ma_uint16 ma_dr_wav_fmt_get_format(const ma_dr_wav_fmt* pFMT);
typedef size_t (* ma_dr_wav_read_proc)(void* pUserData, void* pBufferOut, size_t bytesToRead);
typedef size_t (* ma_dr_wav_write_proc)(void* pUserData, const void* pData, size_t bytesToWrite);
typedef ma_bool32 (* ma_dr_wav_seek_proc)(void* pUserData, int offset, ma_dr_wav_seek_origin origin);
typedef ma_bool32 (* ma_dr_wav_tell_proc)(void* pUserData, ma_int64* pCursor);
typedef ma_uint64 (* ma_dr_wav_chunk_proc)(void* pChunkUserData, ma_dr_wav_read_proc onRead, ma_dr_wav_seek_proc onSeek, void* pReadSeekUserData, const ma_dr_wav_chunk_header* pChunkHeader, ma_dr_wav_container container, const ma_dr_wav_fmt* pFMT);
typedef struct
{
const ma_uint8* data;
size_t dataSize;
size_t currentReadPos;
} ma_dr_wav__memory_stream;
typedef struct
{
void** ppData;
size_t* pDataSize;
size_t dataSize;
size_t dataCapacity;
size_t currentWritePos;
} ma_dr_wav__memory_stream_write;
typedef struct
{
ma_dr_wav_container container;
ma_uint32 format;
ma_uint32 channels;
ma_uint32 sampleRate;
ma_uint32 bitsPerSample;
} ma_dr_wav_data_format;
typedef enum
{
ma_dr_wav_metadata_type_none = 0,
ma_dr_wav_metadata_type_unknown = 1 << 0,
ma_dr_wav_metadata_type_smpl = 1 << 1,
ma_dr_wav_metadata_type_inst = 1 << 2,
ma_dr_wav_metadata_type_cue = 1 << 3,
ma_dr_wav_metadata_type_acid = 1 << 4,
ma_dr_wav_metadata_type_bext = 1 << 5,
ma_dr_wav_metadata_type_list_label = 1 << 6,
ma_dr_wav_metadata_type_list_note = 1 << 7,
ma_dr_wav_metadata_type_list_labelled_cue_region = 1 << 8,
ma_dr_wav_metadata_type_list_info_software = 1 << 9,
ma_dr_wav_metadata_type_list_info_copyright = 1 << 10,
ma_dr_wav_metadata_type_list_info_title = 1 << 11,
ma_dr_wav_metadata_type_list_info_artist = 1 << 12,
ma_dr_wav_metadata_type_list_info_comment = 1 << 13,
ma_dr_wav_metadata_type_list_info_date = 1 << 14,
ma_dr_wav_metadata_type_list_info_genre = 1 << 15,
ma_dr_wav_metadata_type_list_info_album = 1 << 16,
ma_dr_wav_metadata_type_list_info_tracknumber = 1 << 17,
ma_dr_wav_metadata_type_list_info_location = 1 << 18,
ma_dr_wav_metadata_type_list_info_organization = 1 << 19,
ma_dr_wav_metadata_type_list_info_keywords = 1 << 20,
ma_dr_wav_metadata_type_list_info_medium = 1 << 21,
ma_dr_wav_metadata_type_list_info_description = 1 << 22,
ma_dr_wav_metadata_type_list_all_info_strings = ma_dr_wav_metadata_type_list_info_software
| ma_dr_wav_metadata_type_list_info_copyright
| ma_dr_wav_metadata_type_list_info_title
| ma_dr_wav_metadata_type_list_info_artist
| ma_dr_wav_metadata_type_list_info_comment
| ma_dr_wav_metadata_type_list_info_date
| ma_dr_wav_metadata_type_list_info_genre
| ma_dr_wav_metadata_type_list_info_album
| ma_dr_wav_metadata_type_list_info_tracknumber
| ma_dr_wav_metadata_type_list_info_location
| ma_dr_wav_metadata_type_list_info_organization
| ma_dr_wav_metadata_type_list_info_keywords
| ma_dr_wav_metadata_type_list_info_medium
| ma_dr_wav_metadata_type_list_info_description,
ma_dr_wav_metadata_type_list_all_adtl = ma_dr_wav_metadata_type_list_label
| ma_dr_wav_metadata_type_list_note
| ma_dr_wav_metadata_type_list_labelled_cue_region,
ma_dr_wav_metadata_type_all = -2,
ma_dr_wav_metadata_type_all_including_unknown = -1
} ma_dr_wav_metadata_type;
typedef enum
{
ma_dr_wav_smpl_loop_type_forward = 0,
ma_dr_wav_smpl_loop_type_pingpong = 1,
ma_dr_wav_smpl_loop_type_backward = 2
} ma_dr_wav_smpl_loop_type;
typedef struct
{
ma_uint32 cuePointId;
ma_uint32 type;
ma_uint32 firstSampleOffset;
ma_uint32 lastSampleOffset;
ma_uint32 sampleFraction;
ma_uint32 playCount;
} ma_dr_wav_smpl_loop;
typedef struct
{
ma_uint32 manufacturerId;
ma_uint32 productId;
ma_uint32 samplePeriodNanoseconds;
ma_uint32 midiUnityNote;
ma_uint32 midiPitchFraction;
ma_uint32 smpteFormat;
ma_uint32 smpteOffset;
ma_uint32 sampleLoopCount;
ma_uint32 samplerSpecificDataSizeInBytes;
ma_dr_wav_smpl_loop* pLoops;
ma_uint8* pSamplerSpecificData;
} ma_dr_wav_smpl;
typedef struct
{
ma_int8 midiUnityNote;
ma_int8 fineTuneCents;
ma_int8 gainDecibels;
ma_int8 lowNote;
ma_int8 highNote;
ma_int8 lowVelocity;
ma_int8 highVelocity;
} ma_dr_wav_inst;
typedef struct
{
ma_uint32 id;
ma_uint32 playOrderPosition;
ma_uint8 dataChunkId[4];
ma_uint32 chunkStart;
ma_uint32 blockStart;
ma_uint32 sampleOffset;
} ma_dr_wav_cue_point;
typedef struct
{
ma_uint32 cuePointCount;
ma_dr_wav_cue_point *pCuePoints;
} ma_dr_wav_cue;
typedef enum
{
ma_dr_wav_acid_flag_one_shot = 1,
ma_dr_wav_acid_flag_root_note_set = 2,
ma_dr_wav_acid_flag_stretch = 4,
ma_dr_wav_acid_flag_disk_based = 8,
ma_dr_wav_acid_flag_acidizer = 16
} ma_dr_wav_acid_flag;
typedef struct
{
ma_uint32 flags;
ma_uint16 midiUnityNote;
ma_uint16 reserved1;
float reserved2;
ma_uint32 numBeats;
ma_uint16 meterDenominator;
ma_uint16 meterNumerator;
float tempo;
} ma_dr_wav_acid;
typedef struct
{
ma_uint32 cuePointId;
ma_uint32 stringLength;
char* pString;
} ma_dr_wav_list_label_or_note;
typedef struct
{
char* pDescription;
char* pOriginatorName;
char* pOriginatorReference;
char pOriginationDate[10];
char pOriginationTime[8];
ma_uint64 timeReference;
ma_uint16 version;
char* pCodingHistory;
ma_uint32 codingHistorySize;
ma_uint8* pUMID;
ma_uint16 loudnessValue;
ma_uint16 loudnessRange;
ma_uint16 maxTruePeakLevel;
ma_uint16 maxMomentaryLoudness;
ma_uint16 maxShortTermLoudness;
} ma_dr_wav_bext;
typedef struct
{
ma_uint32 stringLength;
char* pString;
} ma_dr_wav_list_info_text;
typedef struct
{
ma_uint32 cuePointId;
ma_uint32 sampleLength;
ma_uint8 purposeId[4];
ma_uint16 country;
ma_uint16 language;
ma_uint16 dialect;
ma_uint16 codePage;
ma_uint32 stringLength;
char* pString;
} ma_dr_wav_list_labelled_cue_region;
typedef enum
{
ma_dr_wav_metadata_location_invalid,
ma_dr_wav_metadata_location_top_level,
ma_dr_wav_metadata_location_inside_info_list,
ma_dr_wav_metadata_location_inside_adtl_list
} ma_dr_wav_metadata_location;
typedef struct
{
ma_uint8 id[4];
ma_dr_wav_metadata_location chunkLocation;
ma_uint32 dataSizeInBytes;
ma_uint8* pData;
} ma_dr_wav_unknown_metadata;
typedef struct
{
ma_dr_wav_metadata_type type;
union
{
ma_dr_wav_cue cue;
ma_dr_wav_smpl smpl;
ma_dr_wav_acid acid;
ma_dr_wav_inst inst;
ma_dr_wav_bext bext;
ma_dr_wav_list_label_or_note labelOrNote;
ma_dr_wav_list_labelled_cue_region labelledCueRegion;
ma_dr_wav_list_info_text infoText;
ma_dr_wav_unknown_metadata unknown;
} data;
} ma_dr_wav_metadata;
typedef struct
{
ma_dr_wav_read_proc onRead;
ma_dr_wav_write_proc onWrite;
ma_dr_wav_seek_proc onSeek;
ma_dr_wav_tell_proc onTell;
void* pUserData;
ma_allocation_callbacks allocationCallbacks;
ma_dr_wav_container container;
ma_dr_wav_fmt fmt;
ma_uint32 sampleRate;
ma_uint16 channels;
ma_uint16 bitsPerSample;
ma_uint16 translatedFormatTag;
ma_uint64 totalPCMFrameCount;
ma_uint64 dataChunkDataSize;
ma_uint64 dataChunkDataPos;
ma_uint64 bytesRemaining;
ma_uint64 readCursorInPCMFrames;
ma_uint64 dataChunkDataSizeTargetWrite;
ma_bool32 isSequentialWrite;
ma_dr_wav_metadata* pMetadata;
ma_uint32 metadataCount;
ma_dr_wav__memory_stream memoryStream;
ma_dr_wav__memory_stream_write memoryStreamWrite;
struct
{
ma_uint32 bytesRemainingInBlock;
ma_uint16 predictor[2];
ma_int32 delta[2];
ma_int32 cachedFrames[4];
ma_uint32 cachedFrameCount;
ma_int32 prevFrames[2][2];
} msadpcm;
struct
{
ma_uint32 bytesRemainingInBlock;
ma_int32 predictor[2];
ma_int32 stepIndex[2];
ma_int32 cachedFrames[16];
ma_uint32 cachedFrameCount;
} ima;
struct
{
ma_bool8 isLE;
ma_bool8 isUnsigned;
} aiff;
} ma_dr_wav;
MA_API ma_bool32 ma_dr_wav_init(ma_dr_wav* pWav, ma_dr_wav_read_proc onRead, ma_dr_wav_seek_proc onSeek, ma_dr_wav_tell_proc onTell, void* pUserData, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_bool32 ma_dr_wav_init_ex(ma_dr_wav* pWav, ma_dr_wav_read_proc onRead, ma_dr_wav_seek_proc onSeek, ma_dr_wav_tell_proc onTell, ma_dr_wav_chunk_proc onChunk, void* pReadSeekTellUserData, void* pChunkUserData, ma_uint32 flags, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_bool32 ma_dr_wav_init_with_metadata(ma_dr_wav* pWav, ma_dr_wav_read_proc onRead, ma_dr_wav_seek_proc onSeek, ma_dr_wav_tell_proc onTell, void* pUserData, ma_uint32 flags, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_bool32 ma_dr_wav_init_write(ma_dr_wav* pWav, const ma_dr_wav_data_format* pFormat, ma_dr_wav_write_proc onWrite, ma_dr_wav_seek_proc onSeek, void* pUserData, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_bool32 ma_dr_wav_init_write_sequential(ma_dr_wav* pWav, const ma_dr_wav_data_format* pFormat, ma_uint64 totalSampleCount, ma_dr_wav_write_proc onWrite, void* pUserData, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_bool32 ma_dr_wav_init_write_sequential_pcm_frames(ma_dr_wav* pWav, const ma_dr_wav_data_format* pFormat, ma_uint64 totalPCMFrameCount, ma_dr_wav_write_proc onWrite, void* pUserData, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_bool32 ma_dr_wav_init_write_with_metadata(ma_dr_wav* pWav, const ma_dr_wav_data_format* pFormat, ma_dr_wav_write_proc onWrite, ma_dr_wav_seek_proc onSeek, void* pUserData, const ma_allocation_callbacks* pAllocationCallbacks, ma_dr_wav_metadata* pMetadata, ma_uint32 metadataCount);
MA_API ma_uint64 ma_dr_wav_target_write_size_bytes(const ma_dr_wav_data_format* pFormat, ma_uint64 totalFrameCount, ma_dr_wav_metadata* pMetadata, ma_uint32 metadataCount);
MA_API ma_dr_wav_metadata* ma_dr_wav_take_ownership_of_metadata(ma_dr_wav* pWav);
MA_API ma_result ma_dr_wav_uninit(ma_dr_wav* pWav);
MA_API size_t ma_dr_wav_read_raw(ma_dr_wav* pWav, size_t bytesToRead, void* pBufferOut);
MA_API ma_uint64 ma_dr_wav_read_pcm_frames(ma_dr_wav* pWav, ma_uint64 framesToRead, void* pBufferOut);
MA_API ma_uint64 ma_dr_wav_read_pcm_frames_le(ma_dr_wav* pWav, ma_uint64 framesToRead, void* pBufferOut);
MA_API ma_uint64 ma_dr_wav_read_pcm_frames_be(ma_dr_wav* pWav, ma_uint64 framesToRead, void* pBufferOut);
MA_API ma_bool32 ma_dr_wav_seek_to_pcm_frame(ma_dr_wav* pWav, ma_uint64 targetFrameIndex);
MA_API ma_result ma_dr_wav_get_cursor_in_pcm_frames(ma_dr_wav* pWav, ma_uint64* pCursor);
MA_API ma_result ma_dr_wav_get_length_in_pcm_frames(ma_dr_wav* pWav, ma_uint64* pLength);
MA_API size_t ma_dr_wav_write_raw(ma_dr_wav* pWav, size_t bytesToWrite, const void* pData);
MA_API ma_uint64 ma_dr_wav_write_pcm_frames(ma_dr_wav* pWav, ma_uint64 framesToWrite, const void* pData);
MA_API ma_uint64 ma_dr_wav_write_pcm_frames_le(ma_dr_wav* pWav, ma_uint64 framesToWrite, const void* pData);
MA_API ma_uint64 ma_dr_wav_write_pcm_frames_be(ma_dr_wav* pWav, ma_uint64 framesToWrite, const void* pData);
#ifndef MA_DR_WAV_NO_CONVERSION_API
MA_API ma_uint64 ma_dr_wav_read_pcm_frames_s16(ma_dr_wav* pWav, ma_uint64 framesToRead, ma_int16* pBufferOut);
MA_API ma_uint64 ma_dr_wav_read_pcm_frames_s16le(ma_dr_wav* pWav, ma_uint64 framesToRead, ma_int16* pBufferOut);
MA_API ma_uint64 ma_dr_wav_read_pcm_frames_s16be(ma_dr_wav* pWav, ma_uint64 framesToRead, ma_int16* pBufferOut);
MA_API void ma_dr_wav_u8_to_s16(ma_int16* pOut, const ma_uint8* pIn, size_t sampleCount);
MA_API void ma_dr_wav_s24_to_s16(ma_int16* pOut, const ma_uint8* pIn, size_t sampleCount);
MA_API void ma_dr_wav_s32_to_s16(ma_int16* pOut, const ma_int32* pIn, size_t sampleCount);
MA_API void ma_dr_wav_f32_to_s16(ma_int16* pOut, const float* pIn, size_t sampleCount);
MA_API void ma_dr_wav_f64_to_s16(ma_int16* pOut, const double* pIn, size_t sampleCount);
MA_API void ma_dr_wav_alaw_to_s16(ma_int16* pOut, const ma_uint8* pIn, size_t sampleCount);
MA_API void ma_dr_wav_mulaw_to_s16(ma_int16* pOut, const ma_uint8* pIn, size_t sampleCount);
MA_API ma_uint64 ma_dr_wav_read_pcm_frames_f32(ma_dr_wav* pWav, ma_uint64 framesToRead, float* pBufferOut);
MA_API ma_uint64 ma_dr_wav_read_pcm_frames_f32le(ma_dr_wav* pWav, ma_uint64 framesToRead, float* pBufferOut);
MA_API ma_uint64 ma_dr_wav_read_pcm_frames_f32be(ma_dr_wav* pWav, ma_uint64 framesToRead, float* pBufferOut);
MA_API void ma_dr_wav_u8_to_f32(float* pOut, const ma_uint8* pIn, size_t sampleCount);
MA_API void ma_dr_wav_s16_to_f32(float* pOut, const ma_int16* pIn, size_t sampleCount);
MA_API void ma_dr_wav_s24_to_f32(float* pOut, const ma_uint8* pIn, size_t sampleCount);
MA_API void ma_dr_wav_s32_to_f32(float* pOut, const ma_int32* pIn, size_t sampleCount);
MA_API void ma_dr_wav_f64_to_f32(float* pOut, const double* pIn, size_t sampleCount);
MA_API void ma_dr_wav_alaw_to_f32(float* pOut, const ma_uint8* pIn, size_t sampleCount);
MA_API void ma_dr_wav_mulaw_to_f32(float* pOut, const ma_uint8* pIn, size_t sampleCount);
MA_API ma_uint64 ma_dr_wav_read_pcm_frames_s32(ma_dr_wav* pWav, ma_uint64 framesToRead, ma_int32* pBufferOut);
MA_API ma_uint64 ma_dr_wav_read_pcm_frames_s32le(ma_dr_wav* pWav, ma_uint64 framesToRead, ma_int32* pBufferOut);
MA_API ma_uint64 ma_dr_wav_read_pcm_frames_s32be(ma_dr_wav* pWav, ma_uint64 framesToRead, ma_int32* pBufferOut);
MA_API void ma_dr_wav_u8_to_s32(ma_int32* pOut, const ma_uint8* pIn, size_t sampleCount);
MA_API void ma_dr_wav_s16_to_s32(ma_int32* pOut, const ma_int16* pIn, size_t sampleCount);
MA_API void ma_dr_wav_s24_to_s32(ma_int32* pOut, const ma_uint8* pIn, size_t sampleCount);
MA_API void ma_dr_wav_f32_to_s32(ma_int32* pOut, const float* pIn, size_t sampleCount);
MA_API void ma_dr_wav_f64_to_s32(ma_int32* pOut, const double* pIn, size_t sampleCount);
MA_API void ma_dr_wav_alaw_to_s32(ma_int32* pOut, const ma_uint8* pIn, size_t sampleCount);
MA_API void ma_dr_wav_mulaw_to_s32(ma_int32* pOut, const ma_uint8* pIn, size_t sampleCount);
#endif
#ifndef MA_DR_WAV_NO_STDIO
MA_API ma_bool32 ma_dr_wav_init_file(ma_dr_wav* pWav, const char* filename, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_bool32 ma_dr_wav_init_file_ex(ma_dr_wav* pWav, const char* filename, ma_dr_wav_chunk_proc onChunk, void* pChunkUserData, ma_uint32 flags, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_bool32 ma_dr_wav_init_file_w(ma_dr_wav* pWav, const wchar_t* filename, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_bool32 ma_dr_wav_init_file_ex_w(ma_dr_wav* pWav, const wchar_t* filename, ma_dr_wav_chunk_proc onChunk, void* pChunkUserData, ma_uint32 flags, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_bool32 ma_dr_wav_init_file_with_metadata(ma_dr_wav* pWav, const char* filename, ma_uint32 flags, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_bool32 ma_dr_wav_init_file_with_metadata_w(ma_dr_wav* pWav, const wchar_t* filename, ma_uint32 flags, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_bool32 ma_dr_wav_init_file_write(ma_dr_wav* pWav, const char* filename, const ma_dr_wav_data_format* pFormat, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_bool32 ma_dr_wav_init_file_write_sequential(ma_dr_wav* pWav, const char* filename, const ma_dr_wav_data_format* pFormat, ma_uint64 totalSampleCount, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_bool32 ma_dr_wav_init_file_write_sequential_pcm_frames(ma_dr_wav* pWav, const char* filename, const ma_dr_wav_data_format* pFormat, ma_uint64 totalPCMFrameCount, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_bool32 ma_dr_wav_init_file_write_w(ma_dr_wav* pWav, const wchar_t* filename, const ma_dr_wav_data_format* pFormat, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_bool32 ma_dr_wav_init_file_write_sequential_w(ma_dr_wav* pWav, const wchar_t* filename, const ma_dr_wav_data_format* pFormat, ma_uint64 totalSampleCount, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_bool32 ma_dr_wav_init_file_write_sequential_pcm_frames_w(ma_dr_wav* pWav, const wchar_t* filename, const ma_dr_wav_data_format* pFormat, ma_uint64 totalPCMFrameCount, const ma_allocation_callbacks* pAllocationCallbacks);
#endif
MA_API ma_bool32 ma_dr_wav_init_memory(ma_dr_wav* pWav, const void* data, size_t dataSize, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_bool32 ma_dr_wav_init_memory_ex(ma_dr_wav* pWav, const void* data, size_t dataSize, ma_dr_wav_chunk_proc onChunk, void* pChunkUserData, ma_uint32 flags, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_bool32 ma_dr_wav_init_memory_with_metadata(ma_dr_wav* pWav, const void* data, size_t dataSize, ma_uint32 flags, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_bool32 ma_dr_wav_init_memory_write(ma_dr_wav* pWav, void** ppData, size_t* pDataSize, const ma_dr_wav_data_format* pFormat, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_bool32 ma_dr_wav_init_memory_write_sequential(ma_dr_wav* pWav, void** ppData, size_t* pDataSize, const ma_dr_wav_data_format* pFormat, ma_uint64 totalSampleCount, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_bool32 ma_dr_wav_init_memory_write_sequential_pcm_frames(ma_dr_wav* pWav, void** ppData, size_t* pDataSize, const ma_dr_wav_data_format* pFormat, ma_uint64 totalPCMFrameCount, const ma_allocation_callbacks* pAllocationCallbacks);
#ifndef MA_DR_WAV_NO_CONVERSION_API
MA_API ma_int16* ma_dr_wav_open_and_read_pcm_frames_s16(ma_dr_wav_read_proc onRead, ma_dr_wav_seek_proc onSeek, ma_dr_wav_tell_proc onTell, void* pUserData, unsigned int* channelsOut, unsigned int* sampleRateOut, ma_uint64* totalFrameCountOut, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API float* ma_dr_wav_open_and_read_pcm_frames_f32(ma_dr_wav_read_proc onRead, ma_dr_wav_seek_proc onSeek, ma_dr_wav_tell_proc onTell, void* pUserData, unsigned int* channelsOut, unsigned int* sampleRateOut, ma_uint64* totalFrameCountOut, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_int32* ma_dr_wav_open_and_read_pcm_frames_s32(ma_dr_wav_read_proc onRead, ma_dr_wav_seek_proc onSeek, ma_dr_wav_tell_proc onTell, void* pUserData, unsigned int* channelsOut, unsigned int* sampleRateOut, ma_uint64* totalFrameCountOut, const ma_allocation_callbacks* pAllocationCallbacks);
#ifndef MA_DR_WAV_NO_STDIO
MA_API ma_int16* ma_dr_wav_open_file_and_read_pcm_frames_s16(const char* filename, unsigned int* channelsOut, unsigned int* sampleRateOut, ma_uint64* totalFrameCountOut, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API float* ma_dr_wav_open_file_and_read_pcm_frames_f32(const char* filename, unsigned int* channelsOut, unsigned int* sampleRateOut, ma_uint64* totalFrameCountOut, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_int32* ma_dr_wav_open_file_and_read_pcm_frames_s32(const char* filename, unsigned int* channelsOut, unsigned int* sampleRateOut, ma_uint64* totalFrameCountOut, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_int16* ma_dr_wav_open_file_and_read_pcm_frames_s16_w(const wchar_t* filename, unsigned int* channelsOut, unsigned int* sampleRateOut, ma_uint64* totalFrameCountOut, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API float* ma_dr_wav_open_file_and_read_pcm_frames_f32_w(const wchar_t* filename, unsigned int* channelsOut, unsigned int* sampleRateOut, ma_uint64* totalFrameCountOut, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_int32* ma_dr_wav_open_file_and_read_pcm_frames_s32_w(const wchar_t* filename, unsigned int* channelsOut, unsigned int* sampleRateOut, ma_uint64* totalFrameCountOut, const ma_allocation_callbacks* pAllocationCallbacks);
#endif
MA_API ma_int16* ma_dr_wav_open_memory_and_read_pcm_frames_s16(const void* data, size_t dataSize, unsigned int* channelsOut, unsigned int* sampleRateOut, ma_uint64* totalFrameCountOut, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API float* ma_dr_wav_open_memory_and_read_pcm_frames_f32(const void* data, size_t dataSize, unsigned int* channelsOut, unsigned int* sampleRateOut, ma_uint64* totalFrameCountOut, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_int32* ma_dr_wav_open_memory_and_read_pcm_frames_s32(const void* data, size_t dataSize, unsigned int* channelsOut, unsigned int* sampleRateOut, ma_uint64* totalFrameCountOut, const ma_allocation_callbacks* pAllocationCallbacks);
#endif
MA_API void ma_dr_wav_free(void* p, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_uint16 ma_dr_wav_bytes_to_u16(const ma_uint8* data);
MA_API ma_int16 ma_dr_wav_bytes_to_s16(const ma_uint8* data);
MA_API ma_uint32 ma_dr_wav_bytes_to_u32(const ma_uint8* data);
MA_API ma_int32 ma_dr_wav_bytes_to_s32(const ma_uint8* data);
MA_API ma_uint64 ma_dr_wav_bytes_to_u64(const ma_uint8* data);
MA_API ma_int64 ma_dr_wav_bytes_to_s64(const ma_uint8* data);
MA_API float ma_dr_wav_bytes_to_f32(const ma_uint8* data);
MA_API ma_bool32 ma_dr_wav_guid_equal(const ma_uint8 a[16], const ma_uint8 b[16]);
MA_API ma_bool32 ma_dr_wav_fourcc_equal(const ma_uint8* a, const char* b);
#ifdef __cplusplus
}
#endif
#endif
#endif
#if !defined(MA_NO_FLAC) && !defined(MA_NO_DECODING)
#define MA_HAS_FLAC
#ifndef ma_dr_flac_h
#define ma_dr_flac_h
#ifdef __cplusplus
extern "C" {
#endif
#define MA_DR_FLAC_STRINGIFY(x) #x
#define MA_DR_FLAC_XSTRINGIFY(x) MA_DR_FLAC_STRINGIFY(x)
#define MA_DR_FLAC_VERSION_MAJOR 0
#define MA_DR_FLAC_VERSION_MINOR 13
#define MA_DR_FLAC_VERSION_REVISION 3
#define MA_DR_FLAC_VERSION_STRING MA_DR_FLAC_XSTRINGIFY(MA_DR_FLAC_VERSION_MAJOR) "." MA_DR_FLAC_XSTRINGIFY(MA_DR_FLAC_VERSION_MINOR) "." MA_DR_FLAC_XSTRINGIFY(MA_DR_FLAC_VERSION_REVISION)
#include <stddef.h>
#if defined(_MSC_VER) && _MSC_VER >= 1700
#define MA_DR_FLAC_DEPRECATED __declspec(deprecated)
#elif (defined(__GNUC__) && __GNUC__ >= 4)
#define MA_DR_FLAC_DEPRECATED __attribute__((deprecated))
#elif defined(__has_feature)
#if __has_feature(attribute_deprecated)
#define MA_DR_FLAC_DEPRECATED __attribute__((deprecated))
#else
#define MA_DR_FLAC_DEPRECATED
#endif
#else
#define MA_DR_FLAC_DEPRECATED
#endif
MA_API void ma_dr_flac_version(ma_uint32* pMajor, ma_uint32* pMinor, ma_uint32* pRevision);
MA_API const char* ma_dr_flac_version_string(void);
#ifndef MA_DR_FLAC_BUFFER_SIZE
#define MA_DR_FLAC_BUFFER_SIZE 4096
#endif
#ifdef MA_64BIT
typedef ma_uint64 ma_dr_flac_cache_t;
#else
typedef ma_uint32 ma_dr_flac_cache_t;
#endif
#define MA_DR_FLAC_METADATA_BLOCK_TYPE_STREAMINFO 0
#define MA_DR_FLAC_METADATA_BLOCK_TYPE_PADDING 1
#define MA_DR_FLAC_METADATA_BLOCK_TYPE_APPLICATION 2
#define MA_DR_FLAC_METADATA_BLOCK_TYPE_SEEKTABLE 3
#define MA_DR_FLAC_METADATA_BLOCK_TYPE_VORBIS_COMMENT 4
#define MA_DR_FLAC_METADATA_BLOCK_TYPE_CUESHEET 5
#define MA_DR_FLAC_METADATA_BLOCK_TYPE_PICTURE 6
#define MA_DR_FLAC_METADATA_BLOCK_TYPE_INVALID 127
#define MA_DR_FLAC_PICTURE_TYPE_OTHER 0
#define MA_DR_FLAC_PICTURE_TYPE_FILE_ICON 1
#define MA_DR_FLAC_PICTURE_TYPE_OTHER_FILE_ICON 2
#define MA_DR_FLAC_PICTURE_TYPE_COVER_FRONT 3
#define MA_DR_FLAC_PICTURE_TYPE_COVER_BACK 4
#define MA_DR_FLAC_PICTURE_TYPE_LEAFLET_PAGE 5
#define MA_DR_FLAC_PICTURE_TYPE_MEDIA 6
#define MA_DR_FLAC_PICTURE_TYPE_LEAD_ARTIST 7
#define MA_DR_FLAC_PICTURE_TYPE_ARTIST 8
#define MA_DR_FLAC_PICTURE_TYPE_CONDUCTOR 9
#define MA_DR_FLAC_PICTURE_TYPE_BAND 10
#define MA_DR_FLAC_PICTURE_TYPE_COMPOSER 11
#define MA_DR_FLAC_PICTURE_TYPE_LYRICIST 12
#define MA_DR_FLAC_PICTURE_TYPE_RECORDING_LOCATION 13
#define MA_DR_FLAC_PICTURE_TYPE_DURING_RECORDING 14
#define MA_DR_FLAC_PICTURE_TYPE_DURING_PERFORMANCE 15
#define MA_DR_FLAC_PICTURE_TYPE_SCREEN_CAPTURE 16
#define MA_DR_FLAC_PICTURE_TYPE_BRIGHT_COLORED_FISH 17
#define MA_DR_FLAC_PICTURE_TYPE_ILLUSTRATION 18
#define MA_DR_FLAC_PICTURE_TYPE_BAND_LOGOTYPE 19
#define MA_DR_FLAC_PICTURE_TYPE_PUBLISHER_LOGOTYPE 20
typedef enum
{
ma_dr_flac_container_native,
ma_dr_flac_container_ogg,
ma_dr_flac_container_unknown
} ma_dr_flac_container;
typedef enum
{
MA_DR_FLAC_SEEK_SET,
MA_DR_FLAC_SEEK_CUR,
MA_DR_FLAC_SEEK_END
} ma_dr_flac_seek_origin;
typedef struct
{
ma_uint64 firstPCMFrame;
ma_uint64 flacFrameOffset;
ma_uint16 pcmFrameCount;
} ma_dr_flac_seekpoint;
typedef struct
{
ma_uint16 minBlockSizeInPCMFrames;
ma_uint16 maxBlockSizeInPCMFrames;
ma_uint32 minFrameSizeInPCMFrames;
ma_uint32 maxFrameSizeInPCMFrames;
ma_uint32 sampleRate;
ma_uint8 channels;
ma_uint8 bitsPerSample;
ma_uint64 totalPCMFrameCount;
ma_uint8 md5[16];
} ma_dr_flac_streaminfo;
typedef struct
{
ma_uint32 type;
ma_uint32 rawDataSize;
ma_uint64 rawDataOffset;
const void* pRawData;
union
{
ma_dr_flac_streaminfo streaminfo;
struct
{
int unused;
} padding;
struct
{
ma_uint32 id;
const void* pData;
ma_uint32 dataSize;
} application;
struct
{
ma_uint32 seekpointCount;
const ma_dr_flac_seekpoint* pSeekpoints;
} seektable;
struct
{
ma_uint32 vendorLength;
const char* vendor;
ma_uint32 commentCount;
const void* pComments;
} vorbis_comment;
struct
{
char catalog[128];
ma_uint64 leadInSampleCount;
ma_bool32 isCD;
ma_uint8 trackCount;
const void* pTrackData;
} cuesheet;
struct
{
ma_uint32 type;
ma_uint32 mimeLength;
const char* mime;
ma_uint32 descriptionLength;
const char* description;
ma_uint32 width;
ma_uint32 height;
ma_uint32 colorDepth;
ma_uint32 indexColorCount;
ma_uint32 pictureDataSize;
ma_uint64 pictureDataOffset;
const ma_uint8* pPictureData;
} picture;
} data;
} ma_dr_flac_metadata;
typedef size_t (* ma_dr_flac_read_proc)(void* pUserData, void* pBufferOut, size_t bytesToRead);
typedef ma_bool32 (* ma_dr_flac_seek_proc)(void* pUserData, int offset, ma_dr_flac_seek_origin origin);
typedef ma_bool32 (* ma_dr_flac_tell_proc)(void* pUserData, ma_int64* pCursor);
typedef void (* ma_dr_flac_meta_proc)(void* pUserData, ma_dr_flac_metadata* pMetadata);
typedef struct
{
const ma_uint8* data;
size_t dataSize;
size_t currentReadPos;
} ma_dr_flac__memory_stream;
typedef struct
{
ma_dr_flac_read_proc onRead;
ma_dr_flac_seek_proc onSeek;
ma_dr_flac_tell_proc onTell;
void* pUserData;
size_t unalignedByteCount;
ma_dr_flac_cache_t unalignedCache;
ma_uint32 nextL2Line;
ma_uint32 consumedBits;
ma_dr_flac_cache_t cacheL2[MA_DR_FLAC_BUFFER_SIZE/sizeof(ma_dr_flac_cache_t)];
ma_dr_flac_cache_t cache;
ma_uint16 crc16;
ma_dr_flac_cache_t crc16Cache;
ma_uint32 crc16CacheIgnoredBytes;
} ma_dr_flac_bs;
typedef struct
{
ma_uint8 subframeType;
ma_uint8 wastedBitsPerSample;
ma_uint8 lpcOrder;
ma_int32* pSamplesS32;
} ma_dr_flac_subframe;
typedef struct
{
ma_uint64 pcmFrameNumber;
ma_uint32 flacFrameNumber;
ma_uint32 sampleRate;
ma_uint16 blockSizeInPCMFrames;
ma_uint8 channelAssignment;
ma_uint8 bitsPerSample;
ma_uint8 crc8;
} ma_dr_flac_frame_header;
typedef struct
{
ma_dr_flac_frame_header header;
ma_uint32 pcmFramesRemaining;
ma_dr_flac_subframe subframes[8];
} ma_dr_flac_frame;
typedef struct
{
ma_dr_flac_meta_proc onMeta;
void* pUserDataMD;
ma_allocation_callbacks allocationCallbacks;
ma_uint32 sampleRate;
ma_uint8 channels;
ma_uint8 bitsPerSample;
ma_uint16 maxBlockSizeInPCMFrames;
ma_uint64 totalPCMFrameCount;
ma_dr_flac_container container;
ma_uint32 seekpointCount;
ma_dr_flac_frame currentFLACFrame;
ma_uint64 currentPCMFrame;
ma_uint64 firstFLACFramePosInBytes;
ma_dr_flac__memory_stream memoryStream;
ma_int32* pDecodedSamples;
ma_dr_flac_seekpoint* pSeekpoints;
void* _oggbs;
ma_bool32 _noSeekTableSeek : 1;
ma_bool32 _noBinarySearchSeek : 1;
ma_bool32 _noBruteForceSeek : 1;
ma_dr_flac_bs bs;
ma_uint8 pExtraData[1];
} ma_dr_flac;
MA_API ma_dr_flac* ma_dr_flac_open(ma_dr_flac_read_proc onRead, ma_dr_flac_seek_proc onSeek, ma_dr_flac_tell_proc onTell, void* pUserData, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_dr_flac* ma_dr_flac_open_relaxed(ma_dr_flac_read_proc onRead, ma_dr_flac_seek_proc onSeek, ma_dr_flac_tell_proc onTell, ma_dr_flac_container container, void* pUserData, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_dr_flac* ma_dr_flac_open_with_metadata(ma_dr_flac_read_proc onRead, ma_dr_flac_seek_proc onSeek, ma_dr_flac_tell_proc onTell, ma_dr_flac_meta_proc onMeta, void* pUserData, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_dr_flac* ma_dr_flac_open_with_metadata_relaxed(ma_dr_flac_read_proc onRead, ma_dr_flac_seek_proc onSeek, ma_dr_flac_tell_proc onTell, ma_dr_flac_meta_proc onMeta, ma_dr_flac_container container, void* pUserData, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API void ma_dr_flac_close(ma_dr_flac* pFlac);
MA_API ma_uint64 ma_dr_flac_read_pcm_frames_s32(ma_dr_flac* pFlac, ma_uint64 framesToRead, ma_int32* pBufferOut);
MA_API ma_uint64 ma_dr_flac_read_pcm_frames_s16(ma_dr_flac* pFlac, ma_uint64 framesToRead, ma_int16* pBufferOut);
MA_API ma_uint64 ma_dr_flac_read_pcm_frames_f32(ma_dr_flac* pFlac, ma_uint64 framesToRead, float* pBufferOut);
MA_API ma_bool32 ma_dr_flac_seek_to_pcm_frame(ma_dr_flac* pFlac, ma_uint64 pcmFrameIndex);
#ifndef MA_DR_FLAC_NO_STDIO
MA_API ma_dr_flac* ma_dr_flac_open_file(const char* pFileName, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_dr_flac* ma_dr_flac_open_file_w(const wchar_t* pFileName, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_dr_flac* ma_dr_flac_open_file_with_metadata(const char* pFileName, ma_dr_flac_meta_proc onMeta, void* pUserData, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_dr_flac* ma_dr_flac_open_file_with_metadata_w(const wchar_t* pFileName, ma_dr_flac_meta_proc onMeta, void* pUserData, const ma_allocation_callbacks* pAllocationCallbacks);
#endif
MA_API ma_dr_flac* ma_dr_flac_open_memory(const void* pData, size_t dataSize, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_dr_flac* ma_dr_flac_open_memory_with_metadata(const void* pData, size_t dataSize, ma_dr_flac_meta_proc onMeta, void* pUserData, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_int32* ma_dr_flac_open_and_read_pcm_frames_s32(ma_dr_flac_read_proc onRead, ma_dr_flac_seek_proc onSeek, ma_dr_flac_tell_proc onTell, void* pUserData, unsigned int* channels, unsigned int* sampleRate, ma_uint64* totalPCMFrameCount, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_int16* ma_dr_flac_open_and_read_pcm_frames_s16(ma_dr_flac_read_proc onRead, ma_dr_flac_seek_proc onSeek, ma_dr_flac_tell_proc onTell, void* pUserData, unsigned int* channels, unsigned int* sampleRate, ma_uint64* totalPCMFrameCount, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API float* ma_dr_flac_open_and_read_pcm_frames_f32(ma_dr_flac_read_proc onRead, ma_dr_flac_seek_proc onSeek, ma_dr_flac_tell_proc onTell, void* pUserData, unsigned int* channels, unsigned int* sampleRate, ma_uint64* totalPCMFrameCount, const ma_allocation_callbacks* pAllocationCallbacks);
#ifndef MA_DR_FLAC_NO_STDIO
MA_API ma_int32* ma_dr_flac_open_file_and_read_pcm_frames_s32(const char* filename, unsigned int* channels, unsigned int* sampleRate, ma_uint64* totalPCMFrameCount, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_int16* ma_dr_flac_open_file_and_read_pcm_frames_s16(const char* filename, unsigned int* channels, unsigned int* sampleRate, ma_uint64* totalPCMFrameCount, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API float* ma_dr_flac_open_file_and_read_pcm_frames_f32(const char* filename, unsigned int* channels, unsigned int* sampleRate, ma_uint64* totalPCMFrameCount, const ma_allocation_callbacks* pAllocationCallbacks);
#endif
MA_API ma_int32* ma_dr_flac_open_memory_and_read_pcm_frames_s32(const void* data, size_t dataSize, unsigned int* channels, unsigned int* sampleRate, ma_uint64* totalPCMFrameCount, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_int16* ma_dr_flac_open_memory_and_read_pcm_frames_s16(const void* data, size_t dataSize, unsigned int* channels, unsigned int* sampleRate, ma_uint64* totalPCMFrameCount, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API float* ma_dr_flac_open_memory_and_read_pcm_frames_f32(const void* data, size_t dataSize, unsigned int* channels, unsigned int* sampleRate, ma_uint64* totalPCMFrameCount, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API void ma_dr_flac_free(void* p, const ma_allocation_callbacks* pAllocationCallbacks);
typedef struct
{
ma_uint32 countRemaining;
const char* pRunningData;
} ma_dr_flac_vorbis_comment_iterator;
MA_API void ma_dr_flac_init_vorbis_comment_iterator(ma_dr_flac_vorbis_comment_iterator* pIter, ma_uint32 commentCount, const void* pComments);
MA_API const char* ma_dr_flac_next_vorbis_comment(ma_dr_flac_vorbis_comment_iterator* pIter, ma_uint32* pCommentLengthOut);
typedef struct
{
ma_uint32 countRemaining;
const char* pRunningData;
} ma_dr_flac_cuesheet_track_iterator;
typedef struct
{
ma_uint64 offset;
ma_uint8 index;
ma_uint8 reserved[3];
} ma_dr_flac_cuesheet_track_index;
typedef struct
{
ma_uint64 offset;
ma_uint8 trackNumber;
char ISRC[12];
ma_bool8 isAudio;
ma_bool8 preEmphasis;
ma_uint8 indexCount;
const ma_dr_flac_cuesheet_track_index* pIndexPoints;
} ma_dr_flac_cuesheet_track;
MA_API void ma_dr_flac_init_cuesheet_track_iterator(ma_dr_flac_cuesheet_track_iterator* pIter, ma_uint32 trackCount, const void* pTrackData);
MA_API ma_bool32 ma_dr_flac_next_cuesheet_track(ma_dr_flac_cuesheet_track_iterator* pIter, ma_dr_flac_cuesheet_track* pCuesheetTrack);
#ifdef __cplusplus
}
#endif
#endif
#endif
#if !defined(MA_NO_MP3) && !defined(MA_NO_DECODING)
#define MA_HAS_MP3
#ifndef MA_DR_MP3_NO_SIMD
#if (defined(MA_NO_NEON) && defined(MA_ARM)) || (defined(MA_NO_SSE2) && (defined(MA_X86) || defined(MA_X64)))
#define MA_DR_MP3_NO_SIMD
#endif
#endif
#ifndef ma_dr_mp3_h
#define ma_dr_mp3_h
#ifdef __cplusplus
extern "C" {
#endif
#define MA_DR_MP3_STRINGIFY(x) #x
#define MA_DR_MP3_XSTRINGIFY(x) MA_DR_MP3_STRINGIFY(x)
#define MA_DR_MP3_VERSION_MAJOR 0
#define MA_DR_MP3_VERSION_MINOR 7
#define MA_DR_MP3_VERSION_REVISION 3
#define MA_DR_MP3_VERSION_STRING MA_DR_MP3_XSTRINGIFY(MA_DR_MP3_VERSION_MAJOR) "." MA_DR_MP3_XSTRINGIFY(MA_DR_MP3_VERSION_MINOR) "." MA_DR_MP3_XSTRINGIFY(MA_DR_MP3_VERSION_REVISION)
#include <stddef.h>
#define MA_DR_MP3_MAX_PCM_FRAMES_PER_MP3_FRAME 1152
#define MA_DR_MP3_MAX_SAMPLES_PER_FRAME (MA_DR_MP3_MAX_PCM_FRAMES_PER_MP3_FRAME*2)
MA_API void ma_dr_mp3_version(ma_uint32* pMajor, ma_uint32* pMinor, ma_uint32* pRevision);
MA_API const char* ma_dr_mp3_version_string(void);
#define MA_DR_MP3_MAX_BITRESERVOIR_BYTES 511
#define MA_DR_MP3_MAX_FREE_FORMAT_FRAME_SIZE 2304
#define MA_DR_MP3_MAX_L3_FRAME_PAYLOAD_BYTES MA_DR_MP3_MAX_FREE_FORMAT_FRAME_SIZE
typedef struct
{
int frame_bytes, channels, sample_rate, layer, bitrate_kbps;
} ma_dr_mp3dec_frame_info;
typedef struct
{
const ma_uint8 *buf;
int pos, limit;
} ma_dr_mp3_bs;
typedef struct
{
const ma_uint8 *sfbtab;
ma_uint16 part_23_length, big_values, scalefac_compress;
ma_uint8 global_gain, block_type, mixed_block_flag, n_long_sfb, n_short_sfb;
ma_uint8 table_select[3], region_count[3], subblock_gain[3];
ma_uint8 preflag, scalefac_scale, count1_table, scfsi;
} ma_dr_mp3_L3_gr_info;
typedef struct
{
ma_dr_mp3_bs bs;
ma_uint8 maindata[MA_DR_MP3_MAX_BITRESERVOIR_BYTES + MA_DR_MP3_MAX_L3_FRAME_PAYLOAD_BYTES];
ma_dr_mp3_L3_gr_info gr_info[4];
float grbuf[2][576], scf[40], syn[18 + 15][2*32];
ma_uint8 ist_pos[2][39];
} ma_dr_mp3dec_scratch;
typedef struct
{
float mdct_overlap[2][9*32], qmf_state[15*2*32];
int reserv, free_format_bytes;
ma_uint8 header[4], reserv_buf[511];
ma_dr_mp3dec_scratch scratch;
} ma_dr_mp3dec;
MA_API void ma_dr_mp3dec_init(ma_dr_mp3dec *dec);
MA_API int ma_dr_mp3dec_decode_frame(ma_dr_mp3dec *dec, const ma_uint8 *mp3, int mp3_bytes, void *pcm, ma_dr_mp3dec_frame_info *info);
MA_API void ma_dr_mp3dec_f32_to_s16(const float *in, ma_int16 *out, size_t num_samples);
typedef enum
{
MA_DR_MP3_SEEK_SET,
MA_DR_MP3_SEEK_CUR,
MA_DR_MP3_SEEK_END
} ma_dr_mp3_seek_origin;
typedef struct
{
ma_uint64 seekPosInBytes;
ma_uint64 pcmFrameIndex;
ma_uint16 mp3FramesToDiscard;
ma_uint16 pcmFramesToDiscard;
} ma_dr_mp3_seek_point;
typedef enum
{
MA_DR_MP3_METADATA_TYPE_ID3V1,
MA_DR_MP3_METADATA_TYPE_ID3V2,
MA_DR_MP3_METADATA_TYPE_APE,
MA_DR_MP3_METADATA_TYPE_XING,
MA_DR_MP3_METADATA_TYPE_VBRI
} ma_dr_mp3_metadata_type;
typedef struct
{
ma_dr_mp3_metadata_type type;
const void* pRawData;
size_t rawDataSize;
} ma_dr_mp3_metadata;
typedef size_t (* ma_dr_mp3_read_proc)(void* pUserData, void* pBufferOut, size_t bytesToRead);
typedef ma_bool32 (* ma_dr_mp3_seek_proc)(void* pUserData, int offset, ma_dr_mp3_seek_origin origin);
typedef ma_bool32 (* ma_dr_mp3_tell_proc)(void* pUserData, ma_int64* pCursor);
typedef void (* ma_dr_mp3_meta_proc)(void* pUserData, const ma_dr_mp3_metadata* pMetadata);
typedef struct
{
ma_uint32 channels;
ma_uint32 sampleRate;
} ma_dr_mp3_config;
typedef struct
{
ma_dr_mp3dec decoder;
ma_uint32 channels;
ma_uint32 sampleRate;
ma_dr_mp3_read_proc onRead;
ma_dr_mp3_seek_proc onSeek;
ma_dr_mp3_meta_proc onMeta;
void* pUserData;
void* pUserDataMeta;
ma_allocation_callbacks allocationCallbacks;
ma_uint32 mp3FrameChannels;
ma_uint32 mp3FrameSampleRate;
ma_uint32 pcmFramesConsumedInMP3Frame;
ma_uint32 pcmFramesRemainingInMP3Frame;
ma_uint8 pcmFrames[sizeof(float)*MA_DR_MP3_MAX_SAMPLES_PER_FRAME];
ma_uint64 currentPCMFrame;
ma_uint64 streamCursor;
ma_uint64 streamLength;
ma_uint64 streamStartOffset;
ma_dr_mp3_seek_point* pSeekPoints;
ma_uint32 seekPointCount;
ma_uint32 delayInPCMFrames;
ma_uint32 paddingInPCMFrames;
ma_uint64 totalPCMFrameCount;
ma_bool32 isVBR;
ma_bool32 isCBR;
size_t dataSize;
size_t dataCapacity;
size_t dataConsumed;
ma_uint8* pData;
ma_bool32 atEnd;
struct
{
const ma_uint8* pData;
size_t dataSize;
size_t currentReadPos;
} memory;
} ma_dr_mp3;
MA_API ma_bool32 ma_dr_mp3_init(ma_dr_mp3* pMP3, ma_dr_mp3_read_proc onRead, ma_dr_mp3_seek_proc onSeek, ma_dr_mp3_tell_proc onTell, ma_dr_mp3_meta_proc onMeta, void* pUserData, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_bool32 ma_dr_mp3_init_memory_with_metadata(ma_dr_mp3* pMP3, const void* pData, size_t dataSize, ma_dr_mp3_meta_proc onMeta, void* pUserDataMeta, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_bool32 ma_dr_mp3_init_memory(ma_dr_mp3* pMP3, const void* pData, size_t dataSize, const ma_allocation_callbacks* pAllocationCallbacks);
#ifndef MA_DR_MP3_NO_STDIO
MA_API ma_bool32 ma_dr_mp3_init_file_with_metadata(ma_dr_mp3* pMP3, const char* pFilePath, ma_dr_mp3_meta_proc onMeta, void* pUserDataMeta, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_bool32 ma_dr_mp3_init_file_with_metadata_w(ma_dr_mp3* pMP3, const wchar_t* pFilePath, ma_dr_mp3_meta_proc onMeta, void* pUserDataMeta, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_bool32 ma_dr_mp3_init_file(ma_dr_mp3* pMP3, const char* pFilePath, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_bool32 ma_dr_mp3_init_file_w(ma_dr_mp3* pMP3, const wchar_t* pFilePath, const ma_allocation_callbacks* pAllocationCallbacks);
#endif
MA_API void ma_dr_mp3_uninit(ma_dr_mp3* pMP3);
MA_API ma_uint64 ma_dr_mp3_read_pcm_frames_f32(ma_dr_mp3* pMP3, ma_uint64 framesToRead, float* pBufferOut);
MA_API ma_uint64 ma_dr_mp3_read_pcm_frames_s16(ma_dr_mp3* pMP3, ma_uint64 framesToRead, ma_int16* pBufferOut);
MA_API ma_bool32 ma_dr_mp3_seek_to_pcm_frame(ma_dr_mp3* pMP3, ma_uint64 frameIndex);
MA_API ma_uint64 ma_dr_mp3_get_pcm_frame_count(ma_dr_mp3* pMP3);
MA_API ma_uint64 ma_dr_mp3_get_mp3_frame_count(ma_dr_mp3* pMP3);
MA_API ma_bool32 ma_dr_mp3_get_mp3_and_pcm_frame_count(ma_dr_mp3* pMP3, ma_uint64* pMP3FrameCount, ma_uint64* pPCMFrameCount);
MA_API ma_bool32 ma_dr_mp3_calculate_seek_points(ma_dr_mp3* pMP3, ma_uint32* pSeekPointCount, ma_dr_mp3_seek_point* pSeekPoints);
MA_API ma_bool32 ma_dr_mp3_bind_seek_table(ma_dr_mp3* pMP3, ma_uint32 seekPointCount, ma_dr_mp3_seek_point* pSeekPoints);
MA_API float* ma_dr_mp3_open_and_read_pcm_frames_f32(ma_dr_mp3_read_proc onRead, ma_dr_mp3_seek_proc onSeek, ma_dr_mp3_tell_proc onTell, void* pUserData, ma_dr_mp3_config* pConfig, ma_uint64* pTotalFrameCount, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_int16* ma_dr_mp3_open_and_read_pcm_frames_s16(ma_dr_mp3_read_proc onRead, ma_dr_mp3_seek_proc onSeek, ma_dr_mp3_tell_proc onTell, void* pUserData, ma_dr_mp3_config* pConfig, ma_uint64* pTotalFrameCount, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API float* ma_dr_mp3_open_memory_and_read_pcm_frames_f32(const void* pData, size_t dataSize, ma_dr_mp3_config* pConfig, ma_uint64* pTotalFrameCount, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_int16* ma_dr_mp3_open_memory_and_read_pcm_frames_s16(const void* pData, size_t dataSize, ma_dr_mp3_config* pConfig, ma_uint64* pTotalFrameCount, const ma_allocation_callbacks* pAllocationCallbacks);
#ifndef MA_DR_MP3_NO_STDIO
MA_API float* ma_dr_mp3_open_file_and_read_pcm_frames_f32(const char* filePath, ma_dr_mp3_config* pConfig, ma_uint64* pTotalFrameCount, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_int16* ma_dr_mp3_open_file_and_read_pcm_frames_s16(const char* filePath, ma_dr_mp3_config* pConfig, ma_uint64* pTotalFrameCount, const ma_allocation_callbacks* pAllocationCallbacks);
#endif
MA_API void* ma_dr_mp3_malloc(size_t sz, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API void ma_dr_mp3_free(void* p, const ma_allocation_callbacks* pAllocationCallbacks);
#ifdef __cplusplus
}
#endif
#endif
#endif
#ifndef MA_NO_DECODING
static ma_result ma_decoder_read_bytes(ma_decoder* pDecoder, void* pBufferOut, size_t bytesToRead, size_t* pBytesRead)
{
MA_ASSERT(pDecoder != NULL);
return pDecoder->onRead(pDecoder, pBufferOut, bytesToRead, pBytesRead);
}
static ma_result ma_decoder_seek_bytes(ma_decoder* pDecoder, ma_int64 byteOffset, ma_seek_origin origin)
{
MA_ASSERT(pDecoder != NULL);
return pDecoder->onSeek(pDecoder, byteOffset, origin);
}
static ma_result ma_decoder_tell_bytes(ma_decoder* pDecoder, ma_int64* pCursor)
{
MA_ASSERT(pDecoder != NULL);
if (pDecoder->onTell == NULL) {
return MA_NOT_IMPLEMENTED;
}
return pDecoder->onTell(pDecoder, pCursor);
}
MA_API ma_decoding_backend_config ma_decoding_backend_config_init(ma_format preferredFormat, ma_uint32 seekPointCount)
{
ma_decoding_backend_config config;
MA_ZERO_OBJECT(&config);
config.preferredFormat = preferredFormat;
config.seekPointCount = seekPointCount;
return config;
}
MA_API ma_decoder_config ma_decoder_config_init(ma_format outputFormat, ma_uint32 outputChannels, ma_uint32 outputSampleRate)
{
ma_decoder_config config;
MA_ZERO_OBJECT(&config);
config.format = outputFormat;
config.channels = outputChannels;
config.sampleRate = outputSampleRate;
config.resampling = ma_resampler_config_init(ma_format_unknown, 0, 0, 0, ma_resample_algorithm_linear);
config.encodingFormat = ma_encoding_format_unknown;
return config;
}
MA_API ma_decoder_config ma_decoder_config_init_default(void)
{
return ma_decoder_config_init(ma_format_unknown, 0, 0);
}
MA_API ma_decoder_config ma_decoder_config_init_copy(const ma_decoder_config* pConfig)
{
ma_decoder_config config;
if (pConfig != NULL) {
config = *pConfig;
} else {
MA_ZERO_OBJECT(&config);
}
return config;
}
static ma_result ma_decoder__init_data_converter(ma_decoder* pDecoder, const ma_decoder_config* pConfig)
{
ma_result result;
ma_data_converter_config converterConfig;
ma_format internalFormat;
ma_uint32 internalChannels;
ma_uint32 internalSampleRate;
ma_channel internalChannelMap[MA_MAX_CHANNELS];
MA_ASSERT(pDecoder != NULL);
MA_ASSERT(pConfig != NULL);
result = ma_data_source_get_data_format(pDecoder->pBackend, &internalFormat, &internalChannels, &internalSampleRate, internalChannelMap, ma_countof(internalChannelMap));
if (result != MA_SUCCESS) {
return result;
}
if (pConfig->channels > MA_MAX_CHANNELS) {
return MA_INVALID_ARGS;
}
if (internalChannels > MA_MAX_CHANNELS) {
return MA_INVALID_ARGS;
}
if (pConfig->format == ma_format_unknown) {
pDecoder->outputFormat = internalFormat;
} else {
pDecoder->outputFormat = pConfig->format;
}
if (pConfig->channels == 0) {
pDecoder->outputChannels = internalChannels;
} else {
pDecoder->outputChannels = pConfig->channels;
}
if (pConfig->sampleRate == 0) {
pDecoder->outputSampleRate = internalSampleRate;
} else {
pDecoder->outputSampleRate = pConfig->sampleRate;
}
converterConfig = ma_data_converter_config_init(
internalFormat, pDecoder->outputFormat,
internalChannels, pDecoder->outputChannels,
internalSampleRate, pDecoder->outputSampleRate
);
converterConfig.pChannelMapIn = internalChannelMap;
converterConfig.pChannelMapOut = pConfig->pChannelMap;
converterConfig.channelMixMode = pConfig->channelMixMode;
converterConfig.ditherMode = pConfig->ditherMode;
converterConfig.allowDynamicSampleRate = MA_FALSE;
converterConfig.resampling = pConfig->resampling;
result = ma_data_converter_init(&converterConfig, &pDecoder->allocationCallbacks, &pDecoder->converter);
if (result != MA_SUCCESS) {
return result;
}
{
ma_uint64 unused;
result = ma_data_converter_get_required_input_frame_count(&pDecoder->converter, 1, &unused);
if (result != MA_SUCCESS) {
ma_uint64 inputCacheCapSizeInBytes;
pDecoder->inputCacheCap = MA_DATA_CONVERTER_STACK_BUFFER_SIZE / ma_get_bytes_per_frame(internalFormat, internalChannels);
inputCacheCapSizeInBytes = pDecoder->inputCacheCap * ma_get_bytes_per_frame(internalFormat, internalChannels);
if (inputCacheCapSizeInBytes > MA_SIZE_MAX) {
ma_data_converter_uninit(&pDecoder->converter, &pDecoder->allocationCallbacks);
return MA_OUT_OF_MEMORY;
}
pDecoder->pInputCache = ma_malloc((size_t)inputCacheCapSizeInBytes, &pDecoder->allocationCallbacks);
if (pDecoder->pInputCache == NULL) {
ma_data_converter_uninit(&pDecoder->converter, &pDecoder->allocationCallbacks);
return MA_OUT_OF_MEMORY;
}
}
}
return MA_SUCCESS;
}
static ma_result ma_decoder_internal_on_read__custom(void* pUserData, void* pBufferOut, size_t bytesToRead, size_t* pBytesRead)
{
ma_decoder* pDecoder = (ma_decoder*)pUserData;
MA_ASSERT(pDecoder != NULL);
return ma_decoder_read_bytes(pDecoder, pBufferOut, bytesToRead, pBytesRead);
}
static ma_result ma_decoder_internal_on_seek__custom(void* pUserData, ma_int64 offset, ma_seek_origin origin)
{
ma_decoder* pDecoder = (ma_decoder*)pUserData;
MA_ASSERT(pDecoder != NULL);
return ma_decoder_seek_bytes(pDecoder, offset, origin);
}
static ma_result ma_decoder_internal_on_tell__custom(void* pUserData, ma_int64* pCursor)
{
ma_decoder* pDecoder = (ma_decoder*)pUserData;
MA_ASSERT(pDecoder != NULL);
return ma_decoder_tell_bytes(pDecoder, pCursor);
}
static ma_result ma_decoder_init_from_vtable__internal(const ma_decoding_backend_vtable* pVTable, void* pVTableUserData, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
ma_result result;
ma_decoding_backend_config backendConfig;
ma_data_source* pBackend;
MA_ASSERT(pVTable != NULL);
MA_ASSERT(pConfig != NULL);
MA_ASSERT(pDecoder != NULL);
if (pVTable->onInit == NULL) {
return MA_NOT_IMPLEMENTED;
}
backendConfig = ma_decoding_backend_config_init(pConfig->format, pConfig->seekPointCount);
result = pVTable->onInit(pVTableUserData, ma_decoder_internal_on_read__custom, ma_decoder_internal_on_seek__custom, ma_decoder_internal_on_tell__custom, pDecoder, &backendConfig, &pDecoder->allocationCallbacks, &pBackend);
if (result != MA_SUCCESS) {
return result;
}
pDecoder->pBackend = pBackend;
pDecoder->pBackendVTable = pVTable;
pDecoder->pBackendUserData = pConfig->pCustomBackendUserData;
return MA_SUCCESS;
}
static ma_result ma_decoder_init_from_file__internal(const ma_decoding_backend_vtable* pVTable, void* pVTableUserData, const char* pFilePath, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
ma_result result;
ma_decoding_backend_config backendConfig;
ma_data_source* pBackend;
MA_ASSERT(pVTable != NULL);
MA_ASSERT(pConfig != NULL);
MA_ASSERT(pDecoder != NULL);
if (pVTable->onInitFile == NULL) {
return MA_NOT_IMPLEMENTED;
}
backendConfig = ma_decoding_backend_config_init(pConfig->format, pConfig->seekPointCount);
result = pVTable->onInitFile(pVTableUserData, pFilePath, &backendConfig, &pDecoder->allocationCallbacks, &pBackend);
if (result != MA_SUCCESS) {
return result;
}
pDecoder->pBackend = pBackend;
pDecoder->pBackendVTable = pVTable;
pDecoder->pBackendUserData = pConfig->pCustomBackendUserData;
return MA_SUCCESS;
}
static ma_result ma_decoder_init_from_file_w__internal(const ma_decoding_backend_vtable* pVTable, void* pVTableUserData, const wchar_t* pFilePath, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
ma_result result;
ma_decoding_backend_config backendConfig;
ma_data_source* pBackend;
MA_ASSERT(pVTable != NULL);
MA_ASSERT(pConfig != NULL);
MA_ASSERT(pDecoder != NULL);
if (pVTable->onInitFileW == NULL) {
return MA_NOT_IMPLEMENTED;
}
backendConfig = ma_decoding_backend_config_init(pConfig->format, pConfig->seekPointCount);
result = pVTable->onInitFileW(pVTableUserData, pFilePath, &backendConfig, &pDecoder->allocationCallbacks, &pBackend);
if (result != MA_SUCCESS) {
return result;
}
pDecoder->pBackend = pBackend;
pDecoder->pBackendVTable = pVTable;
pDecoder->pBackendUserData = pConfig->pCustomBackendUserData;
return MA_SUCCESS;
}
static ma_result ma_decoder_init_from_memory__internal(const ma_decoding_backend_vtable* pVTable, void* pVTableUserData, const void* pData, size_t dataSize, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
ma_result result;
ma_decoding_backend_config backendConfig;
ma_data_source* pBackend;
MA_ASSERT(pVTable != NULL);
MA_ASSERT(pConfig != NULL);
MA_ASSERT(pDecoder != NULL);
if (pVTable->onInitMemory == NULL) {
return MA_NOT_IMPLEMENTED;
}
backendConfig = ma_decoding_backend_config_init(pConfig->format, pConfig->seekPointCount);
result = pVTable->onInitMemory(pVTableUserData, pData, dataSize, &backendConfig, &pDecoder->allocationCallbacks, &pBackend);
if (result != MA_SUCCESS) {
return result;
}
pDecoder->pBackend = pBackend;
pDecoder->pBackendVTable = pVTable;
pDecoder->pBackendUserData = pConfig->pCustomBackendUserData;
return MA_SUCCESS;
}
static ma_result ma_decoder_init_custom__internal(const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
ma_result result = MA_NO_BACKEND;
size_t ivtable;
MA_ASSERT(pConfig != NULL);
MA_ASSERT(pDecoder != NULL);
if (pConfig->ppCustomBackendVTables == NULL) {
return MA_NO_BACKEND;
}
for (ivtable = 0; ivtable < pConfig->customBackendCount; ivtable += 1) {
const ma_decoding_backend_vtable* pVTable = pConfig->ppCustomBackendVTables[ivtable];
if (pVTable != NULL) {
result = ma_decoder_init_from_vtable__internal(pVTable, pConfig->pCustomBackendUserData, pConfig, pDecoder);
if (result == MA_SUCCESS) {
return MA_SUCCESS;
} else {
result = ma_decoder_seek_bytes(pDecoder, 0, ma_seek_origin_start);
if (result != MA_SUCCESS) {
return result;
}
}
} else {
}
}
return MA_NO_BACKEND;
}
static ma_result ma_decoder_init_custom_from_file__internal(const char* pFilePath, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
ma_result result = MA_NO_BACKEND;
size_t ivtable;
MA_ASSERT(pConfig != NULL);
MA_ASSERT(pDecoder != NULL);
if (pConfig->ppCustomBackendVTables == NULL) {
return MA_NO_BACKEND;
}
for (ivtable = 0; ivtable < pConfig->customBackendCount; ivtable += 1) {
const ma_decoding_backend_vtable* pVTable = pConfig->ppCustomBackendVTables[ivtable];
if (pVTable != NULL) {
result = ma_decoder_init_from_file__internal(pVTable, pConfig->pCustomBackendUserData, pFilePath, pConfig, pDecoder);
if (result == MA_SUCCESS) {
return MA_SUCCESS;
}
} else {
}
}
return MA_NO_BACKEND;
}
static ma_result ma_decoder_init_custom_from_file_w__internal(const wchar_t* pFilePath, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
ma_result result = MA_NO_BACKEND;
size_t ivtable;
MA_ASSERT(pConfig != NULL);
MA_ASSERT(pDecoder != NULL);
if (pConfig->ppCustomBackendVTables == NULL) {
return MA_NO_BACKEND;
}
for (ivtable = 0; ivtable < pConfig->customBackendCount; ivtable += 1) {
const ma_decoding_backend_vtable* pVTable = pConfig->ppCustomBackendVTables[ivtable];
if (pVTable != NULL) {
result = ma_decoder_init_from_file_w__internal(pVTable, pConfig->pCustomBackendUserData, pFilePath, pConfig, pDecoder);
if (result == MA_SUCCESS) {
return MA_SUCCESS;
}
} else {
}
}
return MA_NO_BACKEND;
}
static ma_result ma_decoder_init_custom_from_memory__internal(const void* pData, size_t dataSize, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
ma_result result = MA_NO_BACKEND;
size_t ivtable;
MA_ASSERT(pConfig != NULL);
MA_ASSERT(pDecoder != NULL);
if (pConfig->ppCustomBackendVTables == NULL) {
return MA_NO_BACKEND;
}
for (ivtable = 0; ivtable < pConfig->customBackendCount; ivtable += 1) {
const ma_decoding_backend_vtable* pVTable = pConfig->ppCustomBackendVTables[ivtable];
if (pVTable != NULL) {
result = ma_decoder_init_from_memory__internal(pVTable, pConfig->pCustomBackendUserData, pData, dataSize, pConfig, pDecoder);
if (result == MA_SUCCESS) {
return MA_SUCCESS;
}
} else {
}
}
return MA_NO_BACKEND;
}
#ifdef ma_dr_wav_h
typedef struct
{
ma_data_source_base ds;
ma_read_proc onRead;
ma_seek_proc onSeek;
ma_tell_proc onTell;
void* pReadSeekTellUserData;
ma_format format;
#if !defined(MA_NO_WAV)
ma_dr_wav dr;
#endif
} ma_wav;
MA_API ma_result ma_wav_init(ma_read_proc onRead, ma_seek_proc onSeek, ma_tell_proc onTell, void* pReadSeekTellUserData, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_wav* pWav);
MA_API ma_result ma_wav_init_file(const char* pFilePath, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_wav* pWav);
MA_API ma_result ma_wav_init_file_w(const wchar_t* pFilePath, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_wav* pWav);
MA_API ma_result ma_wav_init_memory(const void* pData, size_t dataSize, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_wav* pWav);
MA_API void ma_wav_uninit(ma_wav* pWav, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_result ma_wav_read_pcm_frames(ma_wav* pWav, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead);
MA_API ma_result ma_wav_seek_to_pcm_frame(ma_wav* pWav, ma_uint64 frameIndex);
MA_API ma_result ma_wav_get_data_format(ma_wav* pWav, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap);
MA_API ma_result ma_wav_get_cursor_in_pcm_frames(ma_wav* pWav, ma_uint64* pCursor);
MA_API ma_result ma_wav_get_length_in_pcm_frames(ma_wav* pWav, ma_uint64* pLength);
static ma_result ma_wav_ds_read(ma_data_source* pDataSource, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
{
return ma_wav_read_pcm_frames((ma_wav*)pDataSource, pFramesOut, frameCount, pFramesRead);
}
static ma_result ma_wav_ds_seek(ma_data_source* pDataSource, ma_uint64 frameIndex)
{
return ma_wav_seek_to_pcm_frame((ma_wav*)pDataSource, frameIndex);
}
static ma_result ma_wav_ds_get_data_format(ma_data_source* pDataSource, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap)
{
return ma_wav_get_data_format((ma_wav*)pDataSource, pFormat, pChannels, pSampleRate, pChannelMap, channelMapCap);
}
static ma_result ma_wav_ds_get_cursor(ma_data_source* pDataSource, ma_uint64* pCursor)
{
return ma_wav_get_cursor_in_pcm_frames((ma_wav*)pDataSource, pCursor);
}
static ma_result ma_wav_ds_get_length(ma_data_source* pDataSource, ma_uint64* pLength)
{
return ma_wav_get_length_in_pcm_frames((ma_wav*)pDataSource, pLength);
}
static ma_data_source_vtable g_ma_wav_ds_vtable =
{
ma_wav_ds_read,
ma_wav_ds_seek,
ma_wav_ds_get_data_format,
ma_wav_ds_get_cursor,
ma_wav_ds_get_length,
NULL,
0
};
#if !defined(MA_NO_WAV)
static size_t ma_wav_dr_callback__read(void* pUserData, void* pBufferOut, size_t bytesToRead)
{
ma_wav* pWav = (ma_wav*)pUserData;
ma_result result;
size_t bytesRead;
MA_ASSERT(pWav != NULL);
result = pWav->onRead(pWav->pReadSeekTellUserData, pBufferOut, bytesToRead, &bytesRead);
(void)result;
return bytesRead;
}
static ma_bool32 ma_wav_dr_callback__seek(void* pUserData, int offset, ma_dr_wav_seek_origin origin)
{
ma_wav* pWav = (ma_wav*)pUserData;
ma_result result;
ma_seek_origin maSeekOrigin;
MA_ASSERT(pWav != NULL);
maSeekOrigin = ma_seek_origin_start;
if (origin == MA_DR_WAV_SEEK_CUR) {
maSeekOrigin = ma_seek_origin_current;
} else if (origin == MA_DR_WAV_SEEK_END) {
maSeekOrigin = ma_seek_origin_end;
}
result = pWav->onSeek(pWav->pReadSeekTellUserData, offset, maSeekOrigin);
if (result != MA_SUCCESS) {
return MA_FALSE;
}
return MA_TRUE;
}
static ma_bool32 ma_wav_dr_callback__tell(void* pUserData, ma_int64* pCursor)
{
ma_wav* pWav = (ma_wav*)pUserData;
ma_result result;
MA_ASSERT(pWav != NULL);
MA_ASSERT(pCursor != NULL);
if (pWav->onTell == NULL) {
return MA_FALSE;
}
result = pWav->onTell(pWav->pReadSeekTellUserData, pCursor);
if (result != MA_SUCCESS) {
return MA_FALSE;
}
return MA_TRUE;
}
#endif
static ma_result ma_wav_init_internal(const ma_decoding_backend_config* pConfig, ma_wav* pWav)
{
ma_result result;
ma_data_source_config dataSourceConfig;
if (pWav == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pWav);
pWav->format = ma_format_unknown;
if (pConfig != NULL && (pConfig->preferredFormat == ma_format_f32 || pConfig->preferredFormat == ma_format_s16 || pConfig->preferredFormat == ma_format_s32)) {
pWav->format = pConfig->preferredFormat;
} else {
}
dataSourceConfig = ma_data_source_config_init();
dataSourceConfig.vtable = &g_ma_wav_ds_vtable;
result = ma_data_source_init(&dataSourceConfig, &pWav->ds);
if (result != MA_SUCCESS) {
return result;
}
return MA_SUCCESS;
}
static ma_result ma_wav_post_init(ma_wav* pWav)
{
if (pWav->format == ma_format_unknown) {
switch (pWav->dr.translatedFormatTag)
{
case MA_DR_WAVE_FORMAT_PCM:
{
if (pWav->dr.bitsPerSample == 8) {
pWav->format = ma_format_u8;
} else if (pWav->dr.bitsPerSample == 16) {
pWav->format = ma_format_s16;
} else if (pWav->dr.bitsPerSample == 24) {
pWav->format = ma_format_s24;
} else if (pWav->dr.bitsPerSample == 32) {
pWav->format = ma_format_s32;
}
} break;
case MA_DR_WAVE_FORMAT_IEEE_FLOAT:
{
if (pWav->dr.bitsPerSample == 32) {
pWav->format = ma_format_f32;
}
} break;
default: break;
}
if (pWav->format == ma_format_unknown) {
pWav->format = ma_format_f32;
}
}
return MA_SUCCESS;
}
MA_API ma_result ma_wav_init(ma_read_proc onRead, ma_seek_proc onSeek, ma_tell_proc onTell, void* pReadSeekTellUserData, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_wav* pWav)
{
ma_result result;
result = ma_wav_init_internal(pConfig, pWav);
if (result != MA_SUCCESS) {
return result;
}
if (onRead == NULL || onSeek == NULL) {
return MA_INVALID_ARGS;
}
pWav->onRead = onRead;
pWav->onSeek = onSeek;
pWav->onTell = onTell;
pWav->pReadSeekTellUserData = pReadSeekTellUserData;
#if !defined(MA_NO_WAV)
{
ma_bool32 wavResult;
wavResult = ma_dr_wav_init(&pWav->dr, ma_wav_dr_callback__read, ma_wav_dr_callback__seek, ma_wav_dr_callback__tell, pWav, pAllocationCallbacks);
if (wavResult != MA_TRUE) {
return MA_INVALID_FILE;
}
ma_wav_post_init(pWav);
return MA_SUCCESS;
}
#else
{
(void)pAllocationCallbacks;
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API ma_result ma_wav_init_file(const char* pFilePath, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_wav* pWav)
{
ma_result result;
result = ma_wav_init_internal(pConfig, pWav);
if (result != MA_SUCCESS) {
return result;
}
#if !defined(MA_NO_WAV)
{
ma_bool32 wavResult;
wavResult = ma_dr_wav_init_file(&pWav->dr, pFilePath, pAllocationCallbacks);
if (wavResult != MA_TRUE) {
return MA_INVALID_FILE;
}
ma_wav_post_init(pWav);
return MA_SUCCESS;
}
#else
{
(void)pFilePath;
(void)pAllocationCallbacks;
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API ma_result ma_wav_init_file_w(const wchar_t* pFilePath, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_wav* pWav)
{
ma_result result;
result = ma_wav_init_internal(pConfig, pWav);
if (result != MA_SUCCESS) {
return result;
}
#if !defined(MA_NO_WAV)
{
ma_bool32 wavResult;
wavResult = ma_dr_wav_init_file_w(&pWav->dr, pFilePath, pAllocationCallbacks);
if (wavResult != MA_TRUE) {
return MA_INVALID_FILE;
}
ma_wav_post_init(pWav);
return MA_SUCCESS;
}
#else
{
(void)pFilePath;
(void)pAllocationCallbacks;
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API ma_result ma_wav_init_memory(const void* pData, size_t dataSize, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_wav* pWav)
{
ma_result result;
result = ma_wav_init_internal(pConfig, pWav);
if (result != MA_SUCCESS) {
return result;
}
#if !defined(MA_NO_WAV)
{
ma_bool32 wavResult;
wavResult = ma_dr_wav_init_memory(&pWav->dr, pData, dataSize, pAllocationCallbacks);
if (wavResult != MA_TRUE) {
return MA_INVALID_FILE;
}
ma_wav_post_init(pWav);
return MA_SUCCESS;
}
#else
{
(void)pData;
(void)dataSize;
(void)pAllocationCallbacks;
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API void ma_wav_uninit(ma_wav* pWav, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pWav == NULL) {
return;
}
(void)pAllocationCallbacks;
#if !defined(MA_NO_WAV)
{
ma_dr_wav_uninit(&pWav->dr);
}
#else
{
MA_ASSERT(MA_FALSE);
}
#endif
ma_data_source_uninit(&pWav->ds);
}
MA_API ma_result ma_wav_read_pcm_frames(ma_wav* pWav, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
{
if (pFramesRead != NULL) {
*pFramesRead = 0;
}
if (frameCount == 0) {
return MA_INVALID_ARGS;
}
if (pWav == NULL) {
return MA_INVALID_ARGS;
}
#if !defined(MA_NO_WAV)
{
ma_result result = MA_SUCCESS;
ma_uint64 totalFramesRead = 0;
ma_format format;
ma_wav_get_data_format(pWav, &format, NULL, NULL, NULL, 0);
switch (format)
{
case ma_format_f32:
{
totalFramesRead = ma_dr_wav_read_pcm_frames_f32(&pWav->dr, frameCount, (float*)pFramesOut);
} break;
case ma_format_s16:
{
totalFramesRead = ma_dr_wav_read_pcm_frames_s16(&pWav->dr, frameCount, (ma_int16*)pFramesOut);
} break;
case ma_format_s32:
{
totalFramesRead = ma_dr_wav_read_pcm_frames_s32(&pWav->dr, frameCount, (ma_int32*)pFramesOut);
} break;
case ma_format_unknown: return MA_INVALID_OPERATION;
default:
{
totalFramesRead = ma_dr_wav_read_pcm_frames(&pWav->dr, frameCount, pFramesOut);
} break;
}
if (totalFramesRead == 0) {
result = MA_AT_END;
}
if (pFramesRead != NULL) {
*pFramesRead = totalFramesRead;
}
if (result == MA_SUCCESS && totalFramesRead == 0) {
result = MA_AT_END;
}
return result;
}
#else
{
MA_ASSERT(MA_FALSE);
(void)pFramesOut;
(void)frameCount;
(void)pFramesRead;
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API ma_result ma_wav_seek_to_pcm_frame(ma_wav* pWav, ma_uint64 frameIndex)
{
if (pWav == NULL) {
return MA_INVALID_ARGS;
}
#if !defined(MA_NO_WAV)
{
ma_bool32 wavResult;
wavResult = ma_dr_wav_seek_to_pcm_frame(&pWav->dr, frameIndex);
if (wavResult != MA_TRUE) {
return MA_ERROR;
}
return MA_SUCCESS;
}
#else
{
MA_ASSERT(MA_FALSE);
(void)frameIndex;
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API ma_result ma_wav_get_data_format(ma_wav* pWav, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap)
{
if (pFormat != NULL) {
*pFormat = ma_format_unknown;
}
if (pChannels != NULL) {
*pChannels = 0;
}
if (pSampleRate != NULL) {
*pSampleRate = 0;
}
if (pChannelMap != NULL) {
MA_ZERO_MEMORY(pChannelMap, sizeof(*pChannelMap) * channelMapCap);
}
if (pWav == NULL) {
return MA_INVALID_OPERATION;
}
if (pFormat != NULL) {
*pFormat = pWav->format;
}
#if !defined(MA_NO_WAV)
{
if (pChannels != NULL) {
*pChannels = pWav->dr.channels;
}
if (pSampleRate != NULL) {
*pSampleRate = pWav->dr.sampleRate;
}
if (pChannelMap != NULL) {
ma_channel_map_init_standard(ma_standard_channel_map_microsoft, pChannelMap, channelMapCap, pWav->dr.channels);
}
return MA_SUCCESS;
}
#else
{
MA_ASSERT(MA_FALSE);
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API ma_result ma_wav_get_cursor_in_pcm_frames(ma_wav* pWav, ma_uint64* pCursor)
{
if (pCursor == NULL) {
return MA_INVALID_ARGS;
}
*pCursor = 0;
if (pWav == NULL) {
return MA_INVALID_ARGS;
}
#if !defined(MA_NO_WAV)
{
ma_result wavResult = ma_dr_wav_get_cursor_in_pcm_frames(&pWav->dr, pCursor);
if (wavResult != MA_SUCCESS) {
return (ma_result)wavResult;
}
return MA_SUCCESS;
}
#else
{
MA_ASSERT(MA_FALSE);
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API ma_result ma_wav_get_length_in_pcm_frames(ma_wav* pWav, ma_uint64* pLength)
{
if (pLength == NULL) {
return MA_INVALID_ARGS;
}
*pLength = 0;
if (pWav == NULL) {
return MA_INVALID_ARGS;
}
#if !defined(MA_NO_WAV)
{
ma_result wavResult = ma_dr_wav_get_length_in_pcm_frames(&pWav->dr, pLength);
if (wavResult != MA_SUCCESS) {
return (ma_result)wavResult;
}
return MA_SUCCESS;
}
#else
{
MA_ASSERT(MA_FALSE);
return MA_NOT_IMPLEMENTED;
}
#endif
}
static ma_result ma_decoding_backend_init__wav(void* pUserData, ma_read_proc onRead, ma_seek_proc onSeek, ma_tell_proc onTell, void* pReadSeekTellUserData, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_data_source** ppBackend)
{
ma_result result;
ma_wav* pWav;
(void)pUserData;
pWav = (ma_wav*)ma_malloc(sizeof(*pWav), pAllocationCallbacks);
if (pWav == NULL) {
return MA_OUT_OF_MEMORY;
}
result = ma_wav_init(onRead, onSeek, onTell, pReadSeekTellUserData, pConfig, pAllocationCallbacks, pWav);
if (result != MA_SUCCESS) {
ma_free(pWav, pAllocationCallbacks);
return result;
}
*ppBackend = pWav;
return MA_SUCCESS;
}
static ma_result ma_decoding_backend_init_file__wav(void* pUserData, const char* pFilePath, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_data_source** ppBackend)
{
ma_result result;
ma_wav* pWav;
(void)pUserData;
pWav = (ma_wav*)ma_malloc(sizeof(*pWav), pAllocationCallbacks);
if (pWav == NULL) {
return MA_OUT_OF_MEMORY;
}
result = ma_wav_init_file(pFilePath, pConfig, pAllocationCallbacks, pWav);
if (result != MA_SUCCESS) {
ma_free(pWav, pAllocationCallbacks);
return result;
}
*ppBackend = pWav;
return MA_SUCCESS;
}
static ma_result ma_decoding_backend_init_file_w__wav(void* pUserData, const wchar_t* pFilePath, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_data_source** ppBackend)
{
ma_result result;
ma_wav* pWav;
(void)pUserData;
pWav = (ma_wav*)ma_malloc(sizeof(*pWav), pAllocationCallbacks);
if (pWav == NULL) {
return MA_OUT_OF_MEMORY;
}
result = ma_wav_init_file_w(pFilePath, pConfig, pAllocationCallbacks, pWav);
if (result != MA_SUCCESS) {
ma_free(pWav, pAllocationCallbacks);
return result;
}
*ppBackend = pWav;
return MA_SUCCESS;
}
static ma_result ma_decoding_backend_init_memory__wav(void* pUserData, const void* pData, size_t dataSize, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_data_source** ppBackend)
{
ma_result result;
ma_wav* pWav;
(void)pUserData;
pWav = (ma_wav*)ma_malloc(sizeof(*pWav), pAllocationCallbacks);
if (pWav == NULL) {
return MA_OUT_OF_MEMORY;
}
result = ma_wav_init_memory(pData, dataSize, pConfig, pAllocationCallbacks, pWav);
if (result != MA_SUCCESS) {
ma_free(pWav, pAllocationCallbacks);
return result;
}
*ppBackend = pWav;
return MA_SUCCESS;
}
static void ma_decoding_backend_uninit__wav(void* pUserData, ma_data_source* pBackend, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_wav* pWav = (ma_wav*)pBackend;
(void)pUserData;
ma_wav_uninit(pWav, pAllocationCallbacks);
ma_free(pWav, pAllocationCallbacks);
}
static ma_decoding_backend_vtable g_ma_decoding_backend_vtable_wav =
{
ma_decoding_backend_init__wav,
ma_decoding_backend_init_file__wav,
ma_decoding_backend_init_file_w__wav,
ma_decoding_backend_init_memory__wav,
ma_decoding_backend_uninit__wav
};
static ma_result ma_decoder_init_wav__internal(const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
return ma_decoder_init_from_vtable__internal(&g_ma_decoding_backend_vtable_wav, NULL, pConfig, pDecoder);
}
static ma_result ma_decoder_init_wav_from_file__internal(const char* pFilePath, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
return ma_decoder_init_from_file__internal(&g_ma_decoding_backend_vtable_wav, NULL, pFilePath, pConfig, pDecoder);
}
static ma_result ma_decoder_init_wav_from_file_w__internal(const wchar_t* pFilePath, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
return ma_decoder_init_from_file_w__internal(&g_ma_decoding_backend_vtable_wav, NULL, pFilePath, pConfig, pDecoder);
}
static ma_result ma_decoder_init_wav_from_memory__internal(const void* pData, size_t dataSize, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
return ma_decoder_init_from_memory__internal(&g_ma_decoding_backend_vtable_wav, NULL, pData, dataSize, pConfig, pDecoder);
}
#endif
#ifdef ma_dr_flac_h
typedef struct
{
ma_data_source_base ds;
ma_read_proc onRead;
ma_seek_proc onSeek;
ma_tell_proc onTell;
void* pReadSeekTellUserData;
ma_format format;
#if !defined(MA_NO_FLAC)
ma_dr_flac* dr;
#endif
} ma_flac;
MA_API ma_result ma_flac_init(ma_read_proc onRead, ma_seek_proc onSeek, ma_tell_proc onTell, void* pReadSeekTellUserData, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_flac* pFlac);
MA_API ma_result ma_flac_init_file(const char* pFilePath, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_flac* pFlac);
MA_API ma_result ma_flac_init_file_w(const wchar_t* pFilePath, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_flac* pFlac);
MA_API ma_result ma_flac_init_memory(const void* pData, size_t dataSize, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_flac* pFlac);
MA_API void ma_flac_uninit(ma_flac* pFlac, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_result ma_flac_read_pcm_frames(ma_flac* pFlac, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead);
MA_API ma_result ma_flac_seek_to_pcm_frame(ma_flac* pFlac, ma_uint64 frameIndex);
MA_API ma_result ma_flac_get_data_format(ma_flac* pFlac, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap);
MA_API ma_result ma_flac_get_cursor_in_pcm_frames(ma_flac* pFlac, ma_uint64* pCursor);
MA_API ma_result ma_flac_get_length_in_pcm_frames(ma_flac* pFlac, ma_uint64* pLength);
static ma_result ma_flac_ds_read(ma_data_source* pDataSource, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
{
return ma_flac_read_pcm_frames((ma_flac*)pDataSource, pFramesOut, frameCount, pFramesRead);
}
static ma_result ma_flac_ds_seek(ma_data_source* pDataSource, ma_uint64 frameIndex)
{
return ma_flac_seek_to_pcm_frame((ma_flac*)pDataSource, frameIndex);
}
static ma_result ma_flac_ds_get_data_format(ma_data_source* pDataSource, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap)
{
return ma_flac_get_data_format((ma_flac*)pDataSource, pFormat, pChannels, pSampleRate, pChannelMap, channelMapCap);
}
static ma_result ma_flac_ds_get_cursor(ma_data_source* pDataSource, ma_uint64* pCursor)
{
return ma_flac_get_cursor_in_pcm_frames((ma_flac*)pDataSource, pCursor);
}
static ma_result ma_flac_ds_get_length(ma_data_source* pDataSource, ma_uint64* pLength)
{
return ma_flac_get_length_in_pcm_frames((ma_flac*)pDataSource, pLength);
}
static ma_data_source_vtable g_ma_flac_ds_vtable =
{
ma_flac_ds_read,
ma_flac_ds_seek,
ma_flac_ds_get_data_format,
ma_flac_ds_get_cursor,
ma_flac_ds_get_length,
NULL,
0
};
#if !defined(MA_NO_FLAC)
static size_t ma_flac_dr_callback__read(void* pUserData, void* pBufferOut, size_t bytesToRead)
{
ma_flac* pFlac = (ma_flac*)pUserData;
ma_result result;
size_t bytesRead;
MA_ASSERT(pFlac != NULL);
result = pFlac->onRead(pFlac->pReadSeekTellUserData, pBufferOut, bytesToRead, &bytesRead);
(void)result;
return bytesRead;
}
static ma_bool32 ma_flac_dr_callback__seek(void* pUserData, int offset, ma_dr_flac_seek_origin origin)
{
ma_flac* pFlac = (ma_flac*)pUserData;
ma_result result;
ma_seek_origin maSeekOrigin;
MA_ASSERT(pFlac != NULL);
maSeekOrigin = ma_seek_origin_start;
if (origin == MA_DR_FLAC_SEEK_CUR) {
maSeekOrigin = ma_seek_origin_current;
} else if (origin == MA_DR_FLAC_SEEK_END) {
maSeekOrigin = ma_seek_origin_end;
}
result = pFlac->onSeek(pFlac->pReadSeekTellUserData, offset, maSeekOrigin);
if (result != MA_SUCCESS) {
return MA_FALSE;
}
return MA_TRUE;
}
static ma_bool32 ma_flac_dr_callback__tell(void* pUserData, ma_int64* pCursor)
{
ma_flac* pFlac = (ma_flac*)pUserData;
ma_result result;
MA_ASSERT(pFlac != NULL);
MA_ASSERT(pCursor != NULL);
if (pFlac->onTell == NULL) {
return MA_FALSE;
}
result = pFlac->onTell(pFlac->pReadSeekTellUserData, pCursor);
if (result != MA_SUCCESS) {
return MA_FALSE;
}
return MA_TRUE;
}
#endif
static ma_result ma_flac_init_internal(const ma_decoding_backend_config* pConfig, ma_flac* pFlac)
{
ma_result result;
ma_data_source_config dataSourceConfig;
if (pFlac == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pFlac);
pFlac->format = ma_format_f32;
if (pConfig != NULL && (pConfig->preferredFormat == ma_format_f32 || pConfig->preferredFormat == ma_format_s16 || pConfig->preferredFormat == ma_format_s32)) {
pFlac->format = pConfig->preferredFormat;
} else {
}
dataSourceConfig = ma_data_source_config_init();
dataSourceConfig.vtable = &g_ma_flac_ds_vtable;
result = ma_data_source_init(&dataSourceConfig, &pFlac->ds);
if (result != MA_SUCCESS) {
return result;
}
return MA_SUCCESS;
}
MA_API ma_result ma_flac_init(ma_read_proc onRead, ma_seek_proc onSeek, ma_tell_proc onTell, void* pReadSeekTellUserData, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_flac* pFlac)
{
ma_result result;
result = ma_flac_init_internal(pConfig, pFlac);
if (result != MA_SUCCESS) {
return result;
}
if (onRead == NULL || onSeek == NULL) {
return MA_INVALID_ARGS;
}
pFlac->onRead = onRead;
pFlac->onSeek = onSeek;
pFlac->onTell = onTell;
pFlac->pReadSeekTellUserData = pReadSeekTellUserData;
#if !defined(MA_NO_FLAC)
{
pFlac->dr = ma_dr_flac_open(ma_flac_dr_callback__read, ma_flac_dr_callback__seek, ma_flac_dr_callback__tell, pFlac, pAllocationCallbacks);
if (pFlac->dr == NULL) {
return MA_INVALID_FILE;
}
return MA_SUCCESS;
}
#else
{
(void)pAllocationCallbacks;
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API ma_result ma_flac_init_file(const char* pFilePath, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_flac* pFlac)
{
ma_result result;
result = ma_flac_init_internal(pConfig, pFlac);
if (result != MA_SUCCESS) {
return result;
}
#if !defined(MA_NO_FLAC)
{
pFlac->dr = ma_dr_flac_open_file(pFilePath, pAllocationCallbacks);
if (pFlac->dr == NULL) {
return MA_INVALID_FILE;
}
return MA_SUCCESS;
}
#else
{
(void)pFilePath;
(void)pAllocationCallbacks;
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API ma_result ma_flac_init_file_w(const wchar_t* pFilePath, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_flac* pFlac)
{
ma_result result;
result = ma_flac_init_internal(pConfig, pFlac);
if (result != MA_SUCCESS) {
return result;
}
#if !defined(MA_NO_FLAC)
{
pFlac->dr = ma_dr_flac_open_file_w(pFilePath, pAllocationCallbacks);
if (pFlac->dr == NULL) {
return MA_INVALID_FILE;
}
return MA_SUCCESS;
}
#else
{
(void)pFilePath;
(void)pAllocationCallbacks;
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API ma_result ma_flac_init_memory(const void* pData, size_t dataSize, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_flac* pFlac)
{
ma_result result;
result = ma_flac_init_internal(pConfig, pFlac);
if (result != MA_SUCCESS) {
return result;
}
#if !defined(MA_NO_FLAC)
{
pFlac->dr = ma_dr_flac_open_memory(pData, dataSize, pAllocationCallbacks);
if (pFlac->dr == NULL) {
return MA_INVALID_FILE;
}
return MA_SUCCESS;
}
#else
{
(void)pData;
(void)dataSize;
(void)pAllocationCallbacks;
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API void ma_flac_uninit(ma_flac* pFlac, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pFlac == NULL) {
return;
}
(void)pAllocationCallbacks;
#if !defined(MA_NO_FLAC)
{
ma_dr_flac_close(pFlac->dr);
}
#else
{
MA_ASSERT(MA_FALSE);
}
#endif
ma_data_source_uninit(&pFlac->ds);
}
MA_API ma_result ma_flac_read_pcm_frames(ma_flac* pFlac, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
{
if (pFramesRead != NULL) {
*pFramesRead = 0;
}
if (frameCount == 0) {
return MA_INVALID_ARGS;
}
if (pFlac == NULL) {
return MA_INVALID_ARGS;
}
#if !defined(MA_NO_FLAC)
{
ma_result result = MA_SUCCESS;
ma_uint64 totalFramesRead = 0;
ma_format format;
ma_flac_get_data_format(pFlac, &format, NULL, NULL, NULL, 0);
switch (format)
{
case ma_format_f32:
{
totalFramesRead = ma_dr_flac_read_pcm_frames_f32(pFlac->dr, frameCount, (float*)pFramesOut);
} break;
case ma_format_s16:
{
totalFramesRead = ma_dr_flac_read_pcm_frames_s16(pFlac->dr, frameCount, (ma_int16*)pFramesOut);
} break;
case ma_format_s32:
{
totalFramesRead = ma_dr_flac_read_pcm_frames_s32(pFlac->dr, frameCount, (ma_int32*)pFramesOut);
} break;
case ma_format_u8:
case ma_format_s24:
case ma_format_unknown:
default:
{
return MA_INVALID_OPERATION;
};
}
if (totalFramesRead == 0) {
result = MA_AT_END;
}
if (pFramesRead != NULL) {
*pFramesRead = totalFramesRead;
}
if (result == MA_SUCCESS && totalFramesRead == 0) {
result = MA_AT_END;
}
return result;
}
#else
{
MA_ASSERT(MA_FALSE);
(void)pFramesOut;
(void)frameCount;
(void)pFramesRead;
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API ma_result ma_flac_seek_to_pcm_frame(ma_flac* pFlac, ma_uint64 frameIndex)
{
if (pFlac == NULL) {
return MA_INVALID_ARGS;
}
#if !defined(MA_NO_FLAC)
{
ma_bool32 flacResult;
flacResult = ma_dr_flac_seek_to_pcm_frame(pFlac->dr, frameIndex);
if (flacResult != MA_TRUE) {
return MA_ERROR;
}
return MA_SUCCESS;
}
#else
{
MA_ASSERT(MA_FALSE);
(void)frameIndex;
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API ma_result ma_flac_get_data_format(ma_flac* pFlac, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap)
{
if (pFormat != NULL) {
*pFormat = ma_format_unknown;
}
if (pChannels != NULL) {
*pChannels = 0;
}
if (pSampleRate != NULL) {
*pSampleRate = 0;
}
if (pChannelMap != NULL) {
MA_ZERO_MEMORY(pChannelMap, sizeof(*pChannelMap) * channelMapCap);
}
if (pFlac == NULL) {
return MA_INVALID_OPERATION;
}
if (pFormat != NULL) {
*pFormat = pFlac->format;
}
#if !defined(MA_NO_FLAC)
{
if (pChannels != NULL) {
*pChannels = pFlac->dr->channels;
}
if (pSampleRate != NULL) {
*pSampleRate = pFlac->dr->sampleRate;
}
if (pChannelMap != NULL) {
ma_channel_map_init_standard(ma_standard_channel_map_microsoft, pChannelMap, channelMapCap, pFlac->dr->channels);
}
return MA_SUCCESS;
}
#else
{
MA_ASSERT(MA_FALSE);
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API ma_result ma_flac_get_cursor_in_pcm_frames(ma_flac* pFlac, ma_uint64* pCursor)
{
if (pCursor == NULL) {
return MA_INVALID_ARGS;
}
*pCursor = 0;
if (pFlac == NULL) {
return MA_INVALID_ARGS;
}
#if !defined(MA_NO_FLAC)
{
*pCursor = pFlac->dr->currentPCMFrame;
return MA_SUCCESS;
}
#else
{
MA_ASSERT(MA_FALSE);
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API ma_result ma_flac_get_length_in_pcm_frames(ma_flac* pFlac, ma_uint64* pLength)
{
if (pLength == NULL) {
return MA_INVALID_ARGS;
}
*pLength = 0;
if (pFlac == NULL) {
return MA_INVALID_ARGS;
}
#if !defined(MA_NO_FLAC)
{
*pLength = pFlac->dr->totalPCMFrameCount;
return MA_SUCCESS;
}
#else
{
MA_ASSERT(MA_FALSE);
return MA_NOT_IMPLEMENTED;
}
#endif
}
static ma_result ma_decoding_backend_init__flac(void* pUserData, ma_read_proc onRead, ma_seek_proc onSeek, ma_tell_proc onTell, void* pReadSeekTellUserData, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_data_source** ppBackend)
{
ma_result result;
ma_flac* pFlac;
(void)pUserData;
pFlac = (ma_flac*)ma_malloc(sizeof(*pFlac), pAllocationCallbacks);
if (pFlac == NULL) {
return MA_OUT_OF_MEMORY;
}
result = ma_flac_init(onRead, onSeek, onTell, pReadSeekTellUserData, pConfig, pAllocationCallbacks, pFlac);
if (result != MA_SUCCESS) {
ma_free(pFlac, pAllocationCallbacks);
return result;
}
*ppBackend = pFlac;
return MA_SUCCESS;
}
static ma_result ma_decoding_backend_init_file__flac(void* pUserData, const char* pFilePath, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_data_source** ppBackend)
{
ma_result result;
ma_flac* pFlac;
(void)pUserData;
pFlac = (ma_flac*)ma_malloc(sizeof(*pFlac), pAllocationCallbacks);
if (pFlac == NULL) {
return MA_OUT_OF_MEMORY;
}
result = ma_flac_init_file(pFilePath, pConfig, pAllocationCallbacks, pFlac);
if (result != MA_SUCCESS) {
ma_free(pFlac, pAllocationCallbacks);
return result;
}
*ppBackend = pFlac;
return MA_SUCCESS;
}
static ma_result ma_decoding_backend_init_file_w__flac(void* pUserData, const wchar_t* pFilePath, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_data_source** ppBackend)
{
ma_result result;
ma_flac* pFlac;
(void)pUserData;
pFlac = (ma_flac*)ma_malloc(sizeof(*pFlac), pAllocationCallbacks);
if (pFlac == NULL) {
return MA_OUT_OF_MEMORY;
}
result = ma_flac_init_file_w(pFilePath, pConfig, pAllocationCallbacks, pFlac);
if (result != MA_SUCCESS) {
ma_free(pFlac, pAllocationCallbacks);
return result;
}
*ppBackend = pFlac;
return MA_SUCCESS;
}
static ma_result ma_decoding_backend_init_memory__flac(void* pUserData, const void* pData, size_t dataSize, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_data_source** ppBackend)
{
ma_result result;
ma_flac* pFlac;
(void)pUserData;
pFlac = (ma_flac*)ma_malloc(sizeof(*pFlac), pAllocationCallbacks);
if (pFlac == NULL) {
return MA_OUT_OF_MEMORY;
}
result = ma_flac_init_memory(pData, dataSize, pConfig, pAllocationCallbacks, pFlac);
if (result != MA_SUCCESS) {
ma_free(pFlac, pAllocationCallbacks);
return result;
}
*ppBackend = pFlac;
return MA_SUCCESS;
}
static void ma_decoding_backend_uninit__flac(void* pUserData, ma_data_source* pBackend, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_flac* pFlac = (ma_flac*)pBackend;
(void)pUserData;
ma_flac_uninit(pFlac, pAllocationCallbacks);
ma_free(pFlac, pAllocationCallbacks);
}
static ma_decoding_backend_vtable g_ma_decoding_backend_vtable_flac =
{
ma_decoding_backend_init__flac,
ma_decoding_backend_init_file__flac,
ma_decoding_backend_init_file_w__flac,
ma_decoding_backend_init_memory__flac,
ma_decoding_backend_uninit__flac
};
static ma_result ma_decoder_init_flac__internal(const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
return ma_decoder_init_from_vtable__internal(&g_ma_decoding_backend_vtable_flac, NULL, pConfig, pDecoder);
}
static ma_result ma_decoder_init_flac_from_file__internal(const char* pFilePath, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
return ma_decoder_init_from_file__internal(&g_ma_decoding_backend_vtable_flac, NULL, pFilePath, pConfig, pDecoder);
}
static ma_result ma_decoder_init_flac_from_file_w__internal(const wchar_t* pFilePath, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
return ma_decoder_init_from_file_w__internal(&g_ma_decoding_backend_vtable_flac, NULL, pFilePath, pConfig, pDecoder);
}
static ma_result ma_decoder_init_flac_from_memory__internal(const void* pData, size_t dataSize, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
return ma_decoder_init_from_memory__internal(&g_ma_decoding_backend_vtable_flac, NULL, pData, dataSize, pConfig, pDecoder);
}
#endif
#ifdef ma_dr_mp3_h
typedef struct
{
ma_data_source_base ds;
ma_read_proc onRead;
ma_seek_proc onSeek;
ma_tell_proc onTell;
void* pReadSeekTellUserData;
ma_format format;
#if !defined(MA_NO_MP3)
ma_dr_mp3 dr;
ma_uint32 seekPointCount;
ma_dr_mp3_seek_point* pSeekPoints;
#endif
} ma_mp3;
MA_API ma_result ma_mp3_init(ma_read_proc onRead, ma_seek_proc onSeek, ma_tell_proc onTell, void* pReadSeekTellUserData, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_mp3* pMP3);
MA_API ma_result ma_mp3_init_file(const char* pFilePath, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_mp3* pMP3);
MA_API ma_result ma_mp3_init_file_w(const wchar_t* pFilePath, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_mp3* pMP3);
MA_API ma_result ma_mp3_init_memory(const void* pData, size_t dataSize, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_mp3* pMP3);
MA_API void ma_mp3_uninit(ma_mp3* pMP3, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_result ma_mp3_read_pcm_frames(ma_mp3* pMP3, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead);
MA_API ma_result ma_mp3_seek_to_pcm_frame(ma_mp3* pMP3, ma_uint64 frameIndex);
MA_API ma_result ma_mp3_get_data_format(ma_mp3* pMP3, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap);
MA_API ma_result ma_mp3_get_cursor_in_pcm_frames(ma_mp3* pMP3, ma_uint64* pCursor);
MA_API ma_result ma_mp3_get_length_in_pcm_frames(ma_mp3* pMP3, ma_uint64* pLength);
static ma_result ma_mp3_ds_read(ma_data_source* pDataSource, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
{
return ma_mp3_read_pcm_frames((ma_mp3*)pDataSource, pFramesOut, frameCount, pFramesRead);
}
static ma_result ma_mp3_ds_seek(ma_data_source* pDataSource, ma_uint64 frameIndex)
{
return ma_mp3_seek_to_pcm_frame((ma_mp3*)pDataSource, frameIndex);
}
static ma_result ma_mp3_ds_get_data_format(ma_data_source* pDataSource, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap)
{
return ma_mp3_get_data_format((ma_mp3*)pDataSource, pFormat, pChannels, pSampleRate, pChannelMap, channelMapCap);
}
static ma_result ma_mp3_ds_get_cursor(ma_data_source* pDataSource, ma_uint64* pCursor)
{
return ma_mp3_get_cursor_in_pcm_frames((ma_mp3*)pDataSource, pCursor);
}
static ma_result ma_mp3_ds_get_length(ma_data_source* pDataSource, ma_uint64* pLength)
{
return ma_mp3_get_length_in_pcm_frames((ma_mp3*)pDataSource, pLength);
}
static ma_data_source_vtable g_ma_mp3_ds_vtable =
{
ma_mp3_ds_read,
ma_mp3_ds_seek,
ma_mp3_ds_get_data_format,
ma_mp3_ds_get_cursor,
ma_mp3_ds_get_length,
NULL,
0
};
#if !defined(MA_NO_MP3)
static size_t ma_mp3_dr_callback__read(void* pUserData, void* pBufferOut, size_t bytesToRead)
{
ma_mp3* pMP3 = (ma_mp3*)pUserData;
ma_result result;
size_t bytesRead;
MA_ASSERT(pMP3 != NULL);
result = pMP3->onRead(pMP3->pReadSeekTellUserData, pBufferOut, bytesToRead, &bytesRead);
(void)result;
return bytesRead;
}
static ma_bool32 ma_mp3_dr_callback__seek(void* pUserData, int offset, ma_dr_mp3_seek_origin origin)
{
ma_mp3* pMP3 = (ma_mp3*)pUserData;
ma_result result;
ma_seek_origin maSeekOrigin;
MA_ASSERT(pMP3 != NULL);
if (origin == MA_DR_MP3_SEEK_SET) {
maSeekOrigin = ma_seek_origin_start;
} else if (origin == MA_DR_MP3_SEEK_END) {
maSeekOrigin = ma_seek_origin_end;
} else {
maSeekOrigin = ma_seek_origin_current;
}
result = pMP3->onSeek(pMP3->pReadSeekTellUserData, offset, maSeekOrigin);
if (result != MA_SUCCESS) {
return MA_FALSE;
}
return MA_TRUE;
}
static ma_bool32 ma_mp3_dr_callback__tell(void* pUserData, ma_int64* pCursor)
{
ma_mp3* pMP3 = (ma_mp3*)pUserData;
ma_result result;
MA_ASSERT(pMP3 != NULL);
result = pMP3->onTell(pMP3->pReadSeekTellUserData, pCursor);
if (result != MA_SUCCESS) {
return MA_FALSE;
}
return MA_TRUE;
}
#endif
static ma_result ma_mp3_init_internal(const ma_decoding_backend_config* pConfig, ma_mp3* pMP3)
{
ma_result result;
ma_data_source_config dataSourceConfig;
if (pMP3 == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pMP3);
pMP3->format = ma_format_f32;
if (pConfig != NULL && (pConfig->preferredFormat == ma_format_f32 || pConfig->preferredFormat == ma_format_s16)) {
pMP3->format = pConfig->preferredFormat;
} else {
}
dataSourceConfig = ma_data_source_config_init();
dataSourceConfig.vtable = &g_ma_mp3_ds_vtable;
result = ma_data_source_init(&dataSourceConfig, &pMP3->ds);
if (result != MA_SUCCESS) {
return result;
}
return MA_SUCCESS;
}
static ma_result ma_mp3_generate_seek_table(ma_mp3* pMP3, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_bool32 mp3Result;
ma_uint32 seekPointCount = 0;
ma_dr_mp3_seek_point* pSeekPoints = NULL;
MA_ASSERT(pMP3 != NULL);
MA_ASSERT(pConfig != NULL);
seekPointCount = pConfig->seekPointCount;
if (seekPointCount > 0) {
pSeekPoints = (ma_dr_mp3_seek_point*)ma_malloc(sizeof(*pMP3->pSeekPoints) * seekPointCount, pAllocationCallbacks);
if (pSeekPoints == NULL) {
return MA_OUT_OF_MEMORY;
}
}
mp3Result = ma_dr_mp3_calculate_seek_points(&pMP3->dr, &seekPointCount, pSeekPoints);
if (mp3Result != MA_TRUE) {
ma_free(pSeekPoints, pAllocationCallbacks);
return MA_ERROR;
}
mp3Result = ma_dr_mp3_bind_seek_table(&pMP3->dr, seekPointCount, pSeekPoints);
if (mp3Result != MA_TRUE) {
ma_free(pSeekPoints, pAllocationCallbacks);
return MA_ERROR;
}
pMP3->seekPointCount = seekPointCount;
pMP3->pSeekPoints = pSeekPoints;
return MA_SUCCESS;
}
static ma_result ma_mp3_post_init(ma_mp3* pMP3, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_result result;
result = ma_mp3_generate_seek_table(pMP3, pConfig, pAllocationCallbacks);
if (result != MA_SUCCESS) {
return result;
}
return MA_SUCCESS;
}
MA_API ma_result ma_mp3_init(ma_read_proc onRead, ma_seek_proc onSeek, ma_tell_proc onTell, void* pReadSeekTellUserData, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_mp3* pMP3)
{
ma_result result;
result = ma_mp3_init_internal(pConfig, pMP3);
if (result != MA_SUCCESS) {
return result;
}
if (onRead == NULL || onSeek == NULL) {
return MA_INVALID_ARGS;
}
pMP3->onRead = onRead;
pMP3->onSeek = onSeek;
pMP3->onTell = onTell;
pMP3->pReadSeekTellUserData = pReadSeekTellUserData;
#if !defined(MA_NO_MP3)
{
ma_bool32 mp3Result;
mp3Result = ma_dr_mp3_init(&pMP3->dr, ma_mp3_dr_callback__read, ma_mp3_dr_callback__seek, ma_mp3_dr_callback__tell, NULL, pMP3, pAllocationCallbacks);
if (mp3Result != MA_TRUE) {
return MA_INVALID_FILE;
}
ma_mp3_post_init(pMP3, pConfig, pAllocationCallbacks);
return MA_SUCCESS;
}
#else
{
(void)pAllocationCallbacks;
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API ma_result ma_mp3_init_file(const char* pFilePath, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_mp3* pMP3)
{
ma_result result;
result = ma_mp3_init_internal(pConfig, pMP3);
if (result != MA_SUCCESS) {
return result;
}
#if !defined(MA_NO_MP3)
{
ma_bool32 mp3Result;
mp3Result = ma_dr_mp3_init_file(&pMP3->dr, pFilePath, pAllocationCallbacks);
if (mp3Result != MA_TRUE) {
return MA_INVALID_FILE;
}
ma_mp3_post_init(pMP3, pConfig, pAllocationCallbacks);
return MA_SUCCESS;
}
#else
{
(void)pFilePath;
(void)pAllocationCallbacks;
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API ma_result ma_mp3_init_file_w(const wchar_t* pFilePath, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_mp3* pMP3)
{
ma_result result;
result = ma_mp3_init_internal(pConfig, pMP3);
if (result != MA_SUCCESS) {
return result;
}
#if !defined(MA_NO_MP3)
{
ma_bool32 mp3Result;
mp3Result = ma_dr_mp3_init_file_w(&pMP3->dr, pFilePath, pAllocationCallbacks);
if (mp3Result != MA_TRUE) {
return MA_INVALID_FILE;
}
ma_mp3_post_init(pMP3, pConfig, pAllocationCallbacks);
return MA_SUCCESS;
}
#else
{
(void)pFilePath;
(void)pAllocationCallbacks;
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API ma_result ma_mp3_init_memory(const void* pData, size_t dataSize, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_mp3* pMP3)
{
ma_result result;
result = ma_mp3_init_internal(pConfig, pMP3);
if (result != MA_SUCCESS) {
return result;
}
#if !defined(MA_NO_MP3)
{
ma_bool32 mp3Result;
mp3Result = ma_dr_mp3_init_memory(&pMP3->dr, pData, dataSize, pAllocationCallbacks);
if (mp3Result != MA_TRUE) {
return MA_INVALID_FILE;
}
ma_mp3_post_init(pMP3, pConfig, pAllocationCallbacks);
return MA_SUCCESS;
}
#else
{
(void)pData;
(void)dataSize;
(void)pAllocationCallbacks;
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API void ma_mp3_uninit(ma_mp3* pMP3, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pMP3 == NULL) {
return;
}
#if !defined(MA_NO_MP3)
{
ma_dr_mp3_uninit(&pMP3->dr);
}
#else
{
MA_ASSERT(MA_FALSE);
}
#endif
ma_free(pMP3->pSeekPoints, pAllocationCallbacks);
ma_data_source_uninit(&pMP3->ds);
}
MA_API ma_result ma_mp3_read_pcm_frames(ma_mp3* pMP3, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
{
if (pFramesRead != NULL) {
*pFramesRead = 0;
}
if (frameCount == 0) {
return MA_INVALID_ARGS;
}
if (pMP3 == NULL) {
return MA_INVALID_ARGS;
}
#if !defined(MA_NO_MP3)
{
ma_result result = MA_SUCCESS;
ma_uint64 totalFramesRead = 0;
ma_format format;
ma_mp3_get_data_format(pMP3, &format, NULL, NULL, NULL, 0);
switch (format)
{
case ma_format_f32:
{
totalFramesRead = ma_dr_mp3_read_pcm_frames_f32(&pMP3->dr, frameCount, (float*)pFramesOut);
} break;
case ma_format_s16:
{
totalFramesRead = ma_dr_mp3_read_pcm_frames_s16(&pMP3->dr, frameCount, (ma_int16*)pFramesOut);
} break;
case ma_format_u8:
case ma_format_s24:
case ma_format_s32:
case ma_format_unknown:
default:
{
return MA_INVALID_OPERATION;
};
}
if (totalFramesRead == 0) {
result = MA_AT_END;
}
if (pFramesRead != NULL) {
*pFramesRead = totalFramesRead;
}
return result;
}
#else
{
MA_ASSERT(MA_FALSE);
(void)pFramesOut;
(void)frameCount;
(void)pFramesRead;
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API ma_result ma_mp3_seek_to_pcm_frame(ma_mp3* pMP3, ma_uint64 frameIndex)
{
if (pMP3 == NULL) {
return MA_INVALID_ARGS;
}
#if !defined(MA_NO_MP3)
{
ma_bool32 mp3Result;
mp3Result = ma_dr_mp3_seek_to_pcm_frame(&pMP3->dr, frameIndex);
if (mp3Result != MA_TRUE) {
return MA_ERROR;
}
return MA_SUCCESS;
}
#else
{
MA_ASSERT(MA_FALSE);
(void)frameIndex;
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API ma_result ma_mp3_get_data_format(ma_mp3* pMP3, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap)
{
if (pFormat != NULL) {
*pFormat = ma_format_unknown;
}
if (pChannels != NULL) {
*pChannels = 0;
}
if (pSampleRate != NULL) {
*pSampleRate = 0;
}
if (pChannelMap != NULL) {
MA_ZERO_MEMORY(pChannelMap, sizeof(*pChannelMap) * channelMapCap);
}
if (pMP3 == NULL) {
return MA_INVALID_OPERATION;
}
if (pFormat != NULL) {
*pFormat = pMP3->format;
}
#if !defined(MA_NO_MP3)
{
if (pChannels != NULL) {
*pChannels = pMP3->dr.channels;
}
if (pSampleRate != NULL) {
*pSampleRate = pMP3->dr.sampleRate;
}
if (pChannelMap != NULL) {
ma_channel_map_init_standard(ma_standard_channel_map_default, pChannelMap, channelMapCap, pMP3->dr.channels);
}
return MA_SUCCESS;
}
#else
{
MA_ASSERT(MA_FALSE);
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API ma_result ma_mp3_get_cursor_in_pcm_frames(ma_mp3* pMP3, ma_uint64* pCursor)
{
if (pCursor == NULL) {
return MA_INVALID_ARGS;
}
*pCursor = 0;
if (pMP3 == NULL) {
return MA_INVALID_ARGS;
}
#if !defined(MA_NO_MP3)
{
*pCursor = pMP3->dr.currentPCMFrame;
return MA_SUCCESS;
}
#else
{
MA_ASSERT(MA_FALSE);
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API ma_result ma_mp3_get_length_in_pcm_frames(ma_mp3* pMP3, ma_uint64* pLength)
{
if (pLength == NULL) {
return MA_INVALID_ARGS;
}
*pLength = 0;
if (pMP3 == NULL) {
return MA_INVALID_ARGS;
}
#if !defined(MA_NO_MP3)
{
*pLength = ma_dr_mp3_get_pcm_frame_count(&pMP3->dr);
return MA_SUCCESS;
}
#else
{
MA_ASSERT(MA_FALSE);
return MA_NOT_IMPLEMENTED;
}
#endif
}
static ma_result ma_decoding_backend_init__mp3(void* pUserData, ma_read_proc onRead, ma_seek_proc onSeek, ma_tell_proc onTell, void* pReadSeekTellUserData, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_data_source** ppBackend)
{
ma_result result;
ma_mp3* pMP3;
(void)pUserData;
pMP3 = (ma_mp3*)ma_malloc(sizeof(*pMP3), pAllocationCallbacks);
if (pMP3 == NULL) {
return MA_OUT_OF_MEMORY;
}
result = ma_mp3_init(onRead, onSeek, onTell, pReadSeekTellUserData, pConfig, pAllocationCallbacks, pMP3);
if (result != MA_SUCCESS) {
ma_free(pMP3, pAllocationCallbacks);
return result;
}
*ppBackend = pMP3;
return MA_SUCCESS;
}
static ma_result ma_decoding_backend_init_file__mp3(void* pUserData, const char* pFilePath, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_data_source** ppBackend)
{
ma_result result;
ma_mp3* pMP3;
(void)pUserData;
pMP3 = (ma_mp3*)ma_malloc(sizeof(*pMP3), pAllocationCallbacks);
if (pMP3 == NULL) {
return MA_OUT_OF_MEMORY;
}
result = ma_mp3_init_file(pFilePath, pConfig, pAllocationCallbacks, pMP3);
if (result != MA_SUCCESS) {
ma_free(pMP3, pAllocationCallbacks);
return result;
}
*ppBackend = pMP3;
return MA_SUCCESS;
}
static ma_result ma_decoding_backend_init_file_w__mp3(void* pUserData, const wchar_t* pFilePath, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_data_source** ppBackend)
{
ma_result result;
ma_mp3* pMP3;
(void)pUserData;
pMP3 = (ma_mp3*)ma_malloc(sizeof(*pMP3), pAllocationCallbacks);
if (pMP3 == NULL) {
return MA_OUT_OF_MEMORY;
}
result = ma_mp3_init_file_w(pFilePath, pConfig, pAllocationCallbacks, pMP3);
if (result != MA_SUCCESS) {
ma_free(pMP3, pAllocationCallbacks);
return result;
}
*ppBackend = pMP3;
return MA_SUCCESS;
}
static ma_result ma_decoding_backend_init_memory__mp3(void* pUserData, const void* pData, size_t dataSize, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_data_source** ppBackend)
{
ma_result result;
ma_mp3* pMP3;
(void)pUserData;
pMP3 = (ma_mp3*)ma_malloc(sizeof(*pMP3), pAllocationCallbacks);
if (pMP3 == NULL) {
return MA_OUT_OF_MEMORY;
}
result = ma_mp3_init_memory(pData, dataSize, pConfig, pAllocationCallbacks, pMP3);
if (result != MA_SUCCESS) {
ma_free(pMP3, pAllocationCallbacks);
return result;
}
*ppBackend = pMP3;
return MA_SUCCESS;
}
static void ma_decoding_backend_uninit__mp3(void* pUserData, ma_data_source* pBackend, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_mp3* pMP3 = (ma_mp3*)pBackend;
(void)pUserData;
ma_mp3_uninit(pMP3, pAllocationCallbacks);
ma_free(pMP3, pAllocationCallbacks);
}
static ma_decoding_backend_vtable g_ma_decoding_backend_vtable_mp3 =
{
ma_decoding_backend_init__mp3,
ma_decoding_backend_init_file__mp3,
ma_decoding_backend_init_file_w__mp3,
ma_decoding_backend_init_memory__mp3,
ma_decoding_backend_uninit__mp3
};
static ma_result ma_decoder_init_mp3__internal(const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
return ma_decoder_init_from_vtable__internal(&g_ma_decoding_backend_vtable_mp3, NULL, pConfig, pDecoder);
}
static ma_result ma_decoder_init_mp3_from_file__internal(const char* pFilePath, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
return ma_decoder_init_from_file__internal(&g_ma_decoding_backend_vtable_mp3, NULL, pFilePath, pConfig, pDecoder);
}
static ma_result ma_decoder_init_mp3_from_file_w__internal(const wchar_t* pFilePath, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
return ma_decoder_init_from_file_w__internal(&g_ma_decoding_backend_vtable_mp3, NULL, pFilePath, pConfig, pDecoder);
}
static ma_result ma_decoder_init_mp3_from_memory__internal(const void* pData, size_t dataSize, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
return ma_decoder_init_from_memory__internal(&g_ma_decoding_backend_vtable_mp3, NULL, pData, dataSize, pConfig, pDecoder);
}
#endif
#ifdef STB_VORBIS_INCLUDE_STB_VORBIS_H
#define MA_HAS_VORBIS
#define MA_VORBIS_DATA_CHUNK_SIZE 4096
typedef struct
{
ma_data_source_base ds;
ma_read_proc onRead;
ma_seek_proc onSeek;
ma_tell_proc onTell;
void* pReadSeekTellUserData;
ma_allocation_callbacks allocationCallbacks;
ma_format format;
ma_uint32 channels;
ma_uint32 sampleRate;
ma_uint64 cursor;
#if !defined(MA_NO_VORBIS)
stb_vorbis* stb;
ma_bool32 usingPushMode;
struct
{
ma_uint8* pData;
size_t dataSize;
size_t dataCapacity;
size_t audioStartOffsetInBytes;
ma_uint32 framesConsumed;
ma_uint32 framesRemaining;
float** ppPacketData;
} push;
#endif
} ma_stbvorbis;
MA_API ma_result ma_stbvorbis_init(ma_read_proc onRead, ma_seek_proc onSeek, ma_tell_proc onTell, void* pReadSeekTellUserData, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_stbvorbis* pVorbis);
MA_API ma_result ma_stbvorbis_init_file(const char* pFilePath, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_stbvorbis* pVorbis);
MA_API ma_result ma_stbvorbis_init_memory(const void* pData, size_t dataSize, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_stbvorbis* pVorbis);
MA_API void ma_stbvorbis_uninit(ma_stbvorbis* pVorbis, const ma_allocation_callbacks* pAllocationCallbacks);
MA_API ma_result ma_stbvorbis_read_pcm_frames(ma_stbvorbis* pVorbis, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead);
MA_API ma_result ma_stbvorbis_seek_to_pcm_frame(ma_stbvorbis* pVorbis, ma_uint64 frameIndex);
MA_API ma_result ma_stbvorbis_get_data_format(ma_stbvorbis* pVorbis, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap);
MA_API ma_result ma_stbvorbis_get_cursor_in_pcm_frames(ma_stbvorbis* pVorbis, ma_uint64* pCursor);
MA_API ma_result ma_stbvorbis_get_length_in_pcm_frames(ma_stbvorbis* pVorbis, ma_uint64* pLength);
static ma_result ma_stbvorbis_ds_read(ma_data_source* pDataSource, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
{
return ma_stbvorbis_read_pcm_frames((ma_stbvorbis*)pDataSource, pFramesOut, frameCount, pFramesRead);
}
static ma_result ma_stbvorbis_ds_seek(ma_data_source* pDataSource, ma_uint64 frameIndex)
{
return ma_stbvorbis_seek_to_pcm_frame((ma_stbvorbis*)pDataSource, frameIndex);
}
static ma_result ma_stbvorbis_ds_get_data_format(ma_data_source* pDataSource, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap)
{
return ma_stbvorbis_get_data_format((ma_stbvorbis*)pDataSource, pFormat, pChannels, pSampleRate, pChannelMap, channelMapCap);
}
static ma_result ma_stbvorbis_ds_get_cursor(ma_data_source* pDataSource, ma_uint64* pCursor)
{
return ma_stbvorbis_get_cursor_in_pcm_frames((ma_stbvorbis*)pDataSource, pCursor);
}
static ma_result ma_stbvorbis_ds_get_length(ma_data_source* pDataSource, ma_uint64* pLength)
{
return ma_stbvorbis_get_length_in_pcm_frames((ma_stbvorbis*)pDataSource, pLength);
}
static ma_data_source_vtable g_ma_stbvorbis_ds_vtable =
{
ma_stbvorbis_ds_read,
ma_stbvorbis_ds_seek,
ma_stbvorbis_ds_get_data_format,
ma_stbvorbis_ds_get_cursor,
ma_stbvorbis_ds_get_length,
NULL,
0
};
static ma_result ma_stbvorbis_init_internal(const ma_decoding_backend_config* pConfig, ma_stbvorbis* pVorbis)
{
ma_result result;
ma_data_source_config dataSourceConfig;
(void)pConfig;
if (pVorbis == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pVorbis);
pVorbis->format = ma_format_f32;
dataSourceConfig = ma_data_source_config_init();
dataSourceConfig.vtable = &g_ma_stbvorbis_ds_vtable;
result = ma_data_source_init(&dataSourceConfig, &pVorbis->ds);
if (result != MA_SUCCESS) {
return result;
}
return MA_SUCCESS;
}
#if !defined(MA_NO_VORBIS)
static ma_result ma_stbvorbis_post_init(ma_stbvorbis* pVorbis)
{
stb_vorbis_info info;
MA_ASSERT(pVorbis != NULL);
info = stb_vorbis_get_info(pVorbis->stb);
pVorbis->channels = info.channels;
pVorbis->sampleRate = info.sample_rate;
return MA_SUCCESS;
}
static ma_result ma_stbvorbis_init_internal_decoder_push(ma_stbvorbis* pVorbis)
{
ma_result result;
stb_vorbis* stb;
size_t dataSize = 0;
size_t dataCapacity = 0;
ma_uint8* pData = NULL;
for (;;) {
int vorbisError;
int consumedDataSize;
size_t bytesRead;
ma_uint8* pNewData;
dataCapacity += MA_VORBIS_DATA_CHUNK_SIZE;
pNewData = (ma_uint8*)ma_realloc(pData, dataCapacity, &pVorbis->allocationCallbacks);
if (pNewData == NULL) {
ma_free(pData, &pVorbis->allocationCallbacks);
return MA_OUT_OF_MEMORY;
}
pData = pNewData;
result = pVorbis->onRead(pVorbis->pReadSeekTellUserData, ma_offset_ptr(pData, dataSize), (dataCapacity - dataSize), &bytesRead);
dataSize += bytesRead;
if (result != MA_SUCCESS) {
ma_free(pData, &pVorbis->allocationCallbacks);
return result;
}
if (dataSize > INT_MAX) {
ma_free(pData, &pVorbis->allocationCallbacks);
return MA_TOO_BIG;
}
stb = stb_vorbis_open_pushdata(pData, (int)dataSize, &consumedDataSize, &vorbisError, NULL);
if (stb != NULL) {
dataSize -= (size_t)consumedDataSize;
MA_MOVE_MEMORY(pData, ma_offset_ptr(pData, consumedDataSize), dataSize);
pVorbis->push.audioStartOffsetInBytes = consumedDataSize;
break;
} else {
if (vorbisError == VORBIS_need_more_data) {
continue;
} else {
ma_free(pData, &pVorbis->allocationCallbacks);
return MA_ERROR;
}
}
}
MA_ASSERT(stb != NULL);
pVorbis->stb = stb;
pVorbis->push.pData = pData;
pVorbis->push.dataSize = dataSize;
pVorbis->push.dataCapacity = dataCapacity;
return MA_SUCCESS;
}
#endif
MA_API ma_result ma_stbvorbis_init(ma_read_proc onRead, ma_seek_proc onSeek, ma_tell_proc onTell, void* pReadSeekTellUserData, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_stbvorbis* pVorbis)
{
ma_result result;
result = ma_stbvorbis_init_internal(pConfig, pVorbis);
if (result != MA_SUCCESS) {
return result;
}
if (onRead == NULL || onSeek == NULL) {
return MA_INVALID_ARGS;
}
pVorbis->onRead = onRead;
pVorbis->onSeek = onSeek;
pVorbis->onTell = onTell;
pVorbis->pReadSeekTellUserData = pReadSeekTellUserData;
ma_allocation_callbacks_init_copy(&pVorbis->allocationCallbacks, pAllocationCallbacks);
#if !defined(MA_NO_VORBIS)
{
result = ma_stbvorbis_init_internal_decoder_push(pVorbis);
if (result != MA_SUCCESS) {
return result;
}
pVorbis->usingPushMode = MA_TRUE;
result = ma_stbvorbis_post_init(pVorbis);
if (result != MA_SUCCESS) {
stb_vorbis_close(pVorbis->stb);
ma_free(pVorbis->push.pData, pAllocationCallbacks);
return result;
}
return MA_SUCCESS;
}
#else
{
(void)pAllocationCallbacks;
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API ma_result ma_stbvorbis_init_file(const char* pFilePath, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_stbvorbis* pVorbis)
{
ma_result result;
result = ma_stbvorbis_init_internal(pConfig, pVorbis);
if (result != MA_SUCCESS) {
return result;
}
#if !defined(MA_NO_VORBIS)
{
(void)pAllocationCallbacks;
pVorbis->stb = stb_vorbis_open_filename(pFilePath, NULL, NULL);
if (pVorbis->stb == NULL) {
return MA_INVALID_FILE;
}
pVorbis->usingPushMode = MA_FALSE;
result = ma_stbvorbis_post_init(pVorbis);
if (result != MA_SUCCESS) {
stb_vorbis_close(pVorbis->stb);
return result;
}
return MA_SUCCESS;
}
#else
{
(void)pFilePath;
(void)pAllocationCallbacks;
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API ma_result ma_stbvorbis_init_memory(const void* pData, size_t dataSize, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_stbvorbis* pVorbis)
{
ma_result result;
result = ma_stbvorbis_init_internal(pConfig, pVorbis);
if (result != MA_SUCCESS) {
return result;
}
#if !defined(MA_NO_VORBIS)
{
(void)pAllocationCallbacks;
if (dataSize > INT_MAX) {
return MA_TOO_BIG;
}
pVorbis->stb = stb_vorbis_open_memory((const unsigned char*)pData, (int)dataSize, NULL, NULL);
if (pVorbis->stb == NULL) {
return MA_INVALID_FILE;
}
pVorbis->usingPushMode = MA_FALSE;
result = ma_stbvorbis_post_init(pVorbis);
if (result != MA_SUCCESS) {
stb_vorbis_close(pVorbis->stb);
return result;
}
return MA_SUCCESS;
}
#else
{
(void)pData;
(void)dataSize;
(void)pAllocationCallbacks;
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API void ma_stbvorbis_uninit(ma_stbvorbis* pVorbis, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pVorbis == NULL) {
return;
}
#if !defined(MA_NO_VORBIS)
{
stb_vorbis_close(pVorbis->stb);
if (pVorbis->usingPushMode) {
ma_free(pVorbis->push.pData, pAllocationCallbacks);
}
}
#else
{
MA_ASSERT(MA_FALSE);
}
#endif
ma_data_source_uninit(&pVorbis->ds);
}
MA_API ma_result ma_stbvorbis_read_pcm_frames(ma_stbvorbis* pVorbis, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
{
if (pFramesRead != NULL) {
*pFramesRead = 0;
}
if (frameCount == 0) {
return MA_INVALID_ARGS;
}
if (pVorbis == NULL) {
return MA_INVALID_ARGS;
}
#if !defined(MA_NO_VORBIS)
{
ma_result result = MA_SUCCESS;
ma_uint64 totalFramesRead = 0;
ma_format format;
ma_uint32 channels;
ma_stbvorbis_get_data_format(pVorbis, &format, &channels, NULL, NULL, 0);
if (format == ma_format_f32) {
if (pVorbis->usingPushMode) {
float* pFramesOutF32 = (float*)pFramesOut;
while (totalFramesRead < frameCount) {
ma_uint32 framesToReadFromCache = (ma_uint32)ma_min(pVorbis->push.framesRemaining, (frameCount - totalFramesRead));
if (pFramesOut != NULL) {
ma_uint64 iFrame;
for (iFrame = 0; iFrame < framesToReadFromCache; iFrame += 1) {
ma_uint32 iChannel;
for (iChannel = 0; iChannel < pVorbis->channels; iChannel += 1) {
pFramesOutF32[iChannel] = pVorbis->push.ppPacketData[iChannel][pVorbis->push.framesConsumed + iFrame];
}
pFramesOutF32 += pVorbis->channels;
}
}
pVorbis->push.framesConsumed += framesToReadFromCache;
pVorbis->push.framesRemaining -= framesToReadFromCache;
totalFramesRead += framesToReadFromCache;
if (totalFramesRead == frameCount) {
break;
}
MA_ASSERT(pVorbis->push.framesRemaining == 0);
for (;;) {
int samplesRead = 0;
int consumedDataSize;
if (pVorbis->push.dataSize > INT_MAX) {
break;
}
consumedDataSize = stb_vorbis_decode_frame_pushdata(pVorbis->stb, pVorbis->push.pData, (int)pVorbis->push.dataSize, NULL, &pVorbis->push.ppPacketData, &samplesRead);
if (consumedDataSize != 0) {
pVorbis->push.dataSize -= (size_t)consumedDataSize;
MA_MOVE_MEMORY(pVorbis->push.pData, ma_offset_ptr(pVorbis->push.pData, consumedDataSize), pVorbis->push.dataSize);
pVorbis->push.framesConsumed = 0;
pVorbis->push.framesRemaining = samplesRead;
break;
} else {
size_t bytesRead;
if (pVorbis->push.dataCapacity == pVorbis->push.dataSize) {
size_t newCap = pVorbis->push.dataCapacity + MA_VORBIS_DATA_CHUNK_SIZE;
ma_uint8* pNewData;
pNewData = (ma_uint8*)ma_realloc(pVorbis->push.pData, newCap, &pVorbis->allocationCallbacks);
if (pNewData == NULL) {
result = MA_OUT_OF_MEMORY;
break;
}
pVorbis->push.pData = pNewData;
pVorbis->push.dataCapacity = newCap;
}
result = pVorbis->onRead(pVorbis->pReadSeekTellUserData, ma_offset_ptr(pVorbis->push.pData, pVorbis->push.dataSize), (pVorbis->push.dataCapacity - pVorbis->push.dataSize), &bytesRead);
pVorbis->push.dataSize += bytesRead;
if (result != MA_SUCCESS) {
break;
}
}
}
if (result != MA_SUCCESS) {
break;
}
}
} else {
while (totalFramesRead < frameCount) {
ma_uint64 framesRemaining = (frameCount - totalFramesRead);
int framesRead;
if (framesRemaining > INT_MAX) {
framesRemaining = INT_MAX;
}
framesRead = stb_vorbis_get_samples_float_interleaved(pVorbis->stb, channels, (float*)ma_offset_pcm_frames_ptr(pFramesOut, totalFramesRead, format, channels), (int)framesRemaining * channels);
totalFramesRead += framesRead;
if (framesRead < (int)framesRemaining) {
break;
}
}
}
} else {
result = MA_INVALID_ARGS;
}
pVorbis->cursor += totalFramesRead;
if (totalFramesRead == 0) {
result = MA_AT_END;
}
if (pFramesRead != NULL) {
*pFramesRead = totalFramesRead;
}
if (result == MA_SUCCESS && totalFramesRead == 0) {
result = MA_AT_END;
}
return result;
}
#else
{
MA_ASSERT(MA_FALSE);
(void)pFramesOut;
(void)frameCount;
(void)pFramesRead;
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API ma_result ma_stbvorbis_seek_to_pcm_frame(ma_stbvorbis* pVorbis, ma_uint64 frameIndex)
{
if (pVorbis == NULL) {
return MA_INVALID_ARGS;
}
#if !defined(MA_NO_VORBIS)
{
if (pVorbis->usingPushMode) {
ma_result result;
float buffer[4096];
if (frameIndex < pVorbis->cursor) {
if (frameIndex > 0x7FFFFFFF) {
return MA_INVALID_ARGS;
}
stb_vorbis_close(pVorbis->stb);
ma_free(pVorbis->push.pData, &pVorbis->allocationCallbacks);
MA_ZERO_OBJECT(&pVorbis->push);
result = pVorbis->onSeek(pVorbis->pReadSeekTellUserData, 0, ma_seek_origin_start);
if (result != MA_SUCCESS) {
return result;
}
result = ma_stbvorbis_init_internal_decoder_push(pVorbis);
if (result != MA_SUCCESS) {
return result;
}
pVorbis->cursor = 0;
}
while (pVorbis->cursor < frameIndex) {
ma_uint64 framesRead;
ma_uint64 framesToRead = ma_countof(buffer)/pVorbis->channels;
if (framesToRead > (frameIndex - pVorbis->cursor)) {
framesToRead = (frameIndex - pVorbis->cursor);
}
result = ma_stbvorbis_read_pcm_frames(pVorbis, buffer, framesToRead, &framesRead);
if (result != MA_SUCCESS) {
return result;
}
}
} else {
int vorbisResult;
if (frameIndex > UINT_MAX) {
return MA_INVALID_ARGS;
}
vorbisResult = stb_vorbis_seek(pVorbis->stb, (unsigned int)frameIndex);
if (vorbisResult == 0) {
return MA_ERROR;
}
pVorbis->cursor = frameIndex;
}
return MA_SUCCESS;
}
#else
{
MA_ASSERT(MA_FALSE);
(void)frameIndex;
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API ma_result ma_stbvorbis_get_data_format(ma_stbvorbis* pVorbis, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap)
{
if (pFormat != NULL) {
*pFormat = ma_format_unknown;
}
if (pChannels != NULL) {
*pChannels = 0;
}
if (pSampleRate != NULL) {
*pSampleRate = 0;
}
if (pChannelMap != NULL) {
MA_ZERO_MEMORY(pChannelMap, sizeof(*pChannelMap) * channelMapCap);
}
if (pVorbis == NULL) {
return MA_INVALID_OPERATION;
}
if (pFormat != NULL) {
*pFormat = pVorbis->format;
}
#if !defined(MA_NO_VORBIS)
{
if (pChannels != NULL) {
*pChannels = pVorbis->channels;
}
if (pSampleRate != NULL) {
*pSampleRate = pVorbis->sampleRate;
}
if (pChannelMap != NULL) {
ma_channel_map_init_standard(ma_standard_channel_map_vorbis, pChannelMap, channelMapCap, pVorbis->channels);
}
return MA_SUCCESS;
}
#else
{
MA_ASSERT(MA_FALSE);
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API ma_result ma_stbvorbis_get_cursor_in_pcm_frames(ma_stbvorbis* pVorbis, ma_uint64* pCursor)
{
if (pCursor == NULL) {
return MA_INVALID_ARGS;
}
*pCursor = 0;
if (pVorbis == NULL) {
return MA_INVALID_ARGS;
}
#if !defined(MA_NO_VORBIS)
{
*pCursor = pVorbis->cursor;
return MA_SUCCESS;
}
#else
{
MA_ASSERT(MA_FALSE);
return MA_NOT_IMPLEMENTED;
}
#endif
}
MA_API ma_result ma_stbvorbis_get_length_in_pcm_frames(ma_stbvorbis* pVorbis, ma_uint64* pLength)
{
if (pLength == NULL) {
return MA_INVALID_ARGS;
}
*pLength = 0;
if (pVorbis == NULL) {
return MA_INVALID_ARGS;
}
#if !defined(MA_NO_VORBIS)
{
if (pVorbis->usingPushMode) {
*pLength = 0;
} else {
*pLength = stb_vorbis_stream_length_in_samples(pVorbis->stb);
}
return MA_SUCCESS;
}
#else
{
MA_ASSERT(MA_FALSE);
return MA_NOT_IMPLEMENTED;
}
#endif
}
static ma_result ma_decoding_backend_init__stbvorbis(void* pUserData, ma_read_proc onRead, ma_seek_proc onSeek, ma_tell_proc onTell, void* pReadSeekTellUserData, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_data_source** ppBackend)
{
ma_result result;
ma_stbvorbis* pVorbis;
(void)pUserData;
pVorbis = (ma_stbvorbis*)ma_malloc(sizeof(*pVorbis), pAllocationCallbacks);
if (pVorbis == NULL) {
return MA_OUT_OF_MEMORY;
}
result = ma_stbvorbis_init(onRead, onSeek, onTell, pReadSeekTellUserData, pConfig, pAllocationCallbacks, pVorbis);
if (result != MA_SUCCESS) {
ma_free(pVorbis, pAllocationCallbacks);
return result;
}
*ppBackend = pVorbis;
return MA_SUCCESS;
}
static ma_result ma_decoding_backend_init_file__stbvorbis(void* pUserData, const char* pFilePath, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_data_source** ppBackend)
{
ma_result result;
ma_stbvorbis* pVorbis;
(void)pUserData;
pVorbis = (ma_stbvorbis*)ma_malloc(sizeof(*pVorbis), pAllocationCallbacks);
if (pVorbis == NULL) {
return MA_OUT_OF_MEMORY;
}
result = ma_stbvorbis_init_file(pFilePath, pConfig, pAllocationCallbacks, pVorbis);
if (result != MA_SUCCESS) {
ma_free(pVorbis, pAllocationCallbacks);
return result;
}
*ppBackend = pVorbis;
return MA_SUCCESS;
}
static ma_result ma_decoding_backend_init_memory__stbvorbis(void* pUserData, const void* pData, size_t dataSize, const ma_decoding_backend_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_data_source** ppBackend)
{
ma_result result;
ma_stbvorbis* pVorbis;
(void)pUserData;
pVorbis = (ma_stbvorbis*)ma_malloc(sizeof(*pVorbis), pAllocationCallbacks);
if (pVorbis == NULL) {
return MA_OUT_OF_MEMORY;
}
result = ma_stbvorbis_init_memory(pData, dataSize, pConfig, pAllocationCallbacks, pVorbis);
if (result != MA_SUCCESS) {
ma_free(pVorbis, pAllocationCallbacks);
return result;
}
*ppBackend = pVorbis;
return MA_SUCCESS;
}
static void ma_decoding_backend_uninit__stbvorbis(void* pUserData, ma_data_source* pBackend, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_stbvorbis* pVorbis = (ma_stbvorbis*)pBackend;
(void)pUserData;
ma_stbvorbis_uninit(pVorbis, pAllocationCallbacks);
ma_free(pVorbis, pAllocationCallbacks);
}
static ma_decoding_backend_vtable g_ma_decoding_backend_vtable_stbvorbis =
{
ma_decoding_backend_init__stbvorbis,
ma_decoding_backend_init_file__stbvorbis,
NULL,
ma_decoding_backend_init_memory__stbvorbis,
ma_decoding_backend_uninit__stbvorbis
};
static ma_result ma_decoder_init_vorbis__internal(const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
return ma_decoder_init_from_vtable__internal(&g_ma_decoding_backend_vtable_stbvorbis, NULL, pConfig, pDecoder);
}
static ma_result ma_decoder_init_vorbis_from_file__internal(const char* pFilePath, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
return ma_decoder_init_from_file__internal(&g_ma_decoding_backend_vtable_stbvorbis, NULL, pFilePath, pConfig, pDecoder);
}
static ma_result ma_decoder_init_vorbis_from_file_w__internal(const wchar_t* pFilePath, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
return ma_decoder_init_from_file_w__internal(&g_ma_decoding_backend_vtable_stbvorbis, NULL, pFilePath, pConfig, pDecoder);
}
static ma_result ma_decoder_init_vorbis_from_memory__internal(const void* pData, size_t dataSize, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
return ma_decoder_init_from_memory__internal(&g_ma_decoding_backend_vtable_stbvorbis, NULL, pData, dataSize, pConfig, pDecoder);
}
#endif
static ma_result ma_decoder__init_allocation_callbacks(const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
MA_ASSERT(pDecoder != NULL);
if (pConfig != NULL) {
return ma_allocation_callbacks_init_copy(&pDecoder->allocationCallbacks, &pConfig->allocationCallbacks);
} else {
pDecoder->allocationCallbacks = ma_allocation_callbacks_init_default();
return MA_SUCCESS;
}
}
static ma_result ma_decoder__data_source_on_read(ma_data_source* pDataSource, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
{
return ma_decoder_read_pcm_frames((ma_decoder*)pDataSource, pFramesOut, frameCount, pFramesRead);
}
static ma_result ma_decoder__data_source_on_seek(ma_data_source* pDataSource, ma_uint64 frameIndex)
{
return ma_decoder_seek_to_pcm_frame((ma_decoder*)pDataSource, frameIndex);
}
static ma_result ma_decoder__data_source_on_get_data_format(ma_data_source* pDataSource, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap)
{
return ma_decoder_get_data_format((ma_decoder*)pDataSource, pFormat, pChannels, pSampleRate, pChannelMap, channelMapCap);
}
static ma_result ma_decoder__data_source_on_get_cursor(ma_data_source* pDataSource, ma_uint64* pCursor)
{
return ma_decoder_get_cursor_in_pcm_frames((ma_decoder*)pDataSource, pCursor);
}
static ma_result ma_decoder__data_source_on_get_length(ma_data_source* pDataSource, ma_uint64* pLength)
{
return ma_decoder_get_length_in_pcm_frames((ma_decoder*)pDataSource, pLength);
}
static ma_data_source_vtable g_ma_decoder_data_source_vtable =
{
ma_decoder__data_source_on_read,
ma_decoder__data_source_on_seek,
ma_decoder__data_source_on_get_data_format,
ma_decoder__data_source_on_get_cursor,
ma_decoder__data_source_on_get_length,
NULL,
0
};
static ma_result ma_decoder__preinit(ma_decoder_read_proc onRead, ma_decoder_seek_proc onSeek, ma_decoder_tell_proc onTell, void* pUserData, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
ma_result result;
ma_data_source_config dataSourceConfig;
MA_ASSERT(pConfig != NULL);
if (pDecoder == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pDecoder);
dataSourceConfig = ma_data_source_config_init();
dataSourceConfig.vtable = &g_ma_decoder_data_source_vtable;
result = ma_data_source_init(&dataSourceConfig, &pDecoder->ds);
if (result != MA_SUCCESS) {
return result;
}
pDecoder->onRead = onRead;
pDecoder->onSeek = onSeek;
pDecoder->onTell = onTell;
pDecoder->pUserData = pUserData;
result = ma_decoder__init_allocation_callbacks(pConfig, pDecoder);
if (result != MA_SUCCESS) {
ma_data_source_uninit(&pDecoder->ds);
return result;
}
return MA_SUCCESS;
}
static ma_result ma_decoder__postinit(const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
ma_result result;
result = ma_decoder__init_data_converter(pDecoder, pConfig);
if (result != MA_SUCCESS) {
ma_decoder_uninit(pDecoder);
return result;
}
return result;
}
static ma_result ma_decoder_init__internal(ma_decoder_read_proc onRead, ma_decoder_seek_proc onSeek, void* pUserData, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
ma_result result = MA_NO_BACKEND;
MA_ASSERT(pConfig != NULL);
MA_ASSERT(pDecoder != NULL);
(void)onRead;
(void)onSeek;
(void)pUserData;
if (pConfig->encodingFormat != ma_encoding_format_unknown) {
#ifdef MA_HAS_WAV
if (pConfig->encodingFormat == ma_encoding_format_wav) {
result = ma_decoder_init_wav__internal(pConfig, pDecoder);
}
#endif
#ifdef MA_HAS_FLAC
if (pConfig->encodingFormat == ma_encoding_format_flac) {
result = ma_decoder_init_flac__internal(pConfig, pDecoder);
}
#endif
#ifdef MA_HAS_MP3
if (pConfig->encodingFormat == ma_encoding_format_mp3) {
result = ma_decoder_init_mp3__internal(pConfig, pDecoder);
}
#endif
#ifdef MA_HAS_VORBIS
if (pConfig->encodingFormat == ma_encoding_format_vorbis) {
result = ma_decoder_init_vorbis__internal(pConfig, pDecoder);
}
#endif
if (result != MA_SUCCESS) {
onSeek(pDecoder, 0, ma_seek_origin_start);
}
}
if (result != MA_SUCCESS) {
result = ma_decoder_init_custom__internal(pConfig, pDecoder);
if (result != MA_SUCCESS) {
onSeek(pDecoder, 0, ma_seek_origin_start);
}
if (pConfig->encodingFormat != ma_encoding_format_unknown) {
return MA_NO_BACKEND;
}
#ifdef MA_HAS_WAV
if (result != MA_SUCCESS) {
result = ma_decoder_init_wav__internal(pConfig, pDecoder);
if (result != MA_SUCCESS) {
onSeek(pDecoder, 0, ma_seek_origin_start);
}
}
#endif
#ifdef MA_HAS_FLAC
if (result != MA_SUCCESS) {
result = ma_decoder_init_flac__internal(pConfig, pDecoder);
if (result != MA_SUCCESS) {
onSeek(pDecoder, 0, ma_seek_origin_start);
}
}
#endif
#ifdef MA_HAS_MP3
if (result != MA_SUCCESS) {
result = ma_decoder_init_mp3__internal(pConfig, pDecoder);
if (result != MA_SUCCESS) {
onSeek(pDecoder, 0, ma_seek_origin_start);
}
}
#endif
#ifdef MA_HAS_VORBIS
if (result != MA_SUCCESS) {
result = ma_decoder_init_vorbis__internal(pConfig, pDecoder);
if (result != MA_SUCCESS) {
onSeek(pDecoder, 0, ma_seek_origin_start);
}
}
#endif
}
if (result != MA_SUCCESS) {
return result;
}
return ma_decoder__postinit(pConfig, pDecoder);
}
MA_API ma_result ma_decoder_init(ma_decoder_read_proc onRead, ma_decoder_seek_proc onSeek, void* pUserData, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
ma_decoder_config config;
ma_result result;
config = ma_decoder_config_init_copy(pConfig);
result = ma_decoder__preinit(onRead, onSeek, NULL, pUserData, &config, pDecoder);
if (result != MA_SUCCESS) {
return result;
}
return ma_decoder_init__internal(onRead, onSeek, pUserData, &config, pDecoder);
}
static ma_result ma_decoder__on_read_memory(ma_decoder* pDecoder, void* pBufferOut, size_t bytesToRead, size_t* pBytesRead)
{
size_t bytesRemaining;
MA_ASSERT(pDecoder->data.memory.dataSize >= pDecoder->data.memory.currentReadPos);
if (pBytesRead != NULL) {
*pBytesRead = 0;
}
bytesRemaining = pDecoder->data.memory.dataSize - pDecoder->data.memory.currentReadPos;
if (bytesToRead > bytesRemaining) {
bytesToRead = bytesRemaining;
}
if (bytesRemaining == 0) {
return MA_AT_END;
}
if (bytesToRead > 0) {
MA_COPY_MEMORY(pBufferOut, pDecoder->data.memory.pData + pDecoder->data.memory.currentReadPos, bytesToRead);
pDecoder->data.memory.currentReadPos += bytesToRead;
}
if (pBytesRead != NULL) {
*pBytesRead = bytesToRead;
}
return MA_SUCCESS;
}
static ma_result ma_decoder__on_seek_memory(ma_decoder* pDecoder, ma_int64 byteOffset, ma_seek_origin origin)
{
if (byteOffset > 0 && (ma_uint64)byteOffset > MA_SIZE_MAX) {
return MA_BAD_SEEK;
}
if (origin == ma_seek_origin_current) {
if (byteOffset > 0) {
if (pDecoder->data.memory.currentReadPos + byteOffset > pDecoder->data.memory.dataSize) {
byteOffset = (ma_int64)(pDecoder->data.memory.dataSize - pDecoder->data.memory.currentReadPos);
}
pDecoder->data.memory.currentReadPos += (size_t)byteOffset;
} else {
if (pDecoder->data.memory.currentReadPos < (size_t)-byteOffset) {
byteOffset = -(ma_int64)pDecoder->data.memory.currentReadPos;
}
pDecoder->data.memory.currentReadPos -= (size_t)-byteOffset;
}
} else {
if (origin == ma_seek_origin_end) {
if (byteOffset < 0) {
byteOffset = -byteOffset;
}
if (byteOffset > (ma_int64)pDecoder->data.memory.dataSize) {
pDecoder->data.memory.currentReadPos = 0;
} else {
pDecoder->data.memory.currentReadPos = pDecoder->data.memory.dataSize - (size_t)byteOffset;
}
} else {
if ((size_t)byteOffset <= pDecoder->data.memory.dataSize) {
pDecoder->data.memory.currentReadPos = (size_t)byteOffset;
} else {
pDecoder->data.memory.currentReadPos = pDecoder->data.memory.dataSize;
}
}
}
return MA_SUCCESS;
}
static ma_result ma_decoder__on_tell_memory(ma_decoder* pDecoder, ma_int64* pCursor)
{
MA_ASSERT(pDecoder != NULL);
MA_ASSERT(pCursor != NULL);
*pCursor = (ma_int64)pDecoder->data.memory.currentReadPos;
return MA_SUCCESS;
}
static ma_result ma_decoder__preinit_memory_wrapper(const void* pData, size_t dataSize, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
ma_result result = ma_decoder__preinit(ma_decoder__on_read_memory, ma_decoder__on_seek_memory, ma_decoder__on_tell_memory, NULL, pConfig, pDecoder);
if (result != MA_SUCCESS) {
return result;
}
if (pData == NULL || dataSize == 0) {
return MA_INVALID_ARGS;
}
pDecoder->data.memory.pData = (const ma_uint8*)pData;
pDecoder->data.memory.dataSize = dataSize;
pDecoder->data.memory.currentReadPos = 0;
(void)pConfig;
return MA_SUCCESS;
}
MA_API ma_result ma_decoder_init_memory(const void* pData, size_t dataSize, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
ma_result result;
ma_decoder_config config;
config = ma_decoder_config_init_copy(pConfig);
result = ma_decoder__preinit(NULL, NULL, NULL, NULL, &config, pDecoder);
if (result != MA_SUCCESS) {
return result;
}
if (pData == NULL || dataSize == 0) {
return MA_INVALID_ARGS;
}
result = MA_NO_BACKEND;
if (config.encodingFormat != ma_encoding_format_unknown) {
#ifdef MA_HAS_WAV
if (config.encodingFormat == ma_encoding_format_wav) {
result = ma_decoder_init_wav_from_memory__internal(pData, dataSize, &config, pDecoder);
}
#endif
#ifdef MA_HAS_FLAC
if (config.encodingFormat == ma_encoding_format_flac) {
result = ma_decoder_init_flac_from_memory__internal(pData, dataSize, &config, pDecoder);
}
#endif
#ifdef MA_HAS_MP3
if (config.encodingFormat == ma_encoding_format_mp3) {
result = ma_decoder_init_mp3_from_memory__internal(pData, dataSize, &config, pDecoder);
}
#endif
#ifdef MA_HAS_VORBIS
if (config.encodingFormat == ma_encoding_format_vorbis) {
result = ma_decoder_init_vorbis_from_memory__internal(pData, dataSize, &config, pDecoder);
}
#endif
}
if (result != MA_SUCCESS) {
result = ma_decoder_init_custom_from_memory__internal(pData, dataSize, &config, pDecoder);
if (result != MA_SUCCESS && config.encodingFormat != ma_encoding_format_unknown) {
return MA_NO_BACKEND;
}
if (result != MA_SUCCESS) {
#ifdef MA_HAS_WAV
if (result != MA_SUCCESS) {
result = ma_decoder_init_wav_from_memory__internal(pData, dataSize, &config, pDecoder);
}
#endif
#ifdef MA_HAS_FLAC
if (result != MA_SUCCESS) {
result = ma_decoder_init_flac_from_memory__internal(pData, dataSize, &config, pDecoder);
}
#endif
#ifdef MA_HAS_MP3
if (result != MA_SUCCESS) {
result = ma_decoder_init_mp3_from_memory__internal(pData, dataSize, &config, pDecoder);
}
#endif
#ifdef MA_HAS_VORBIS
if (result != MA_SUCCESS) {
result = ma_decoder_init_vorbis_from_memory__internal(pData, dataSize, &config, pDecoder);
}
#endif
}
}
if (result == MA_SUCCESS) {
result = ma_decoder__postinit(&config, pDecoder);
if (result != MA_SUCCESS) {
return result;
}
} else {
result = ma_decoder__preinit_memory_wrapper(pData, dataSize, &config, pDecoder);
if (result != MA_SUCCESS) {
return result;
}
result = ma_decoder_init__internal(ma_decoder__on_read_memory, ma_decoder__on_seek_memory, NULL, &config, pDecoder);
if (result != MA_SUCCESS) {
return result;
}
}
return MA_SUCCESS;
}
#if defined(MA_HAS_WAV) || \
defined(MA_HAS_MP3) || \
defined(MA_HAS_FLAC) || \
defined(MA_HAS_VORBIS)
#define MA_HAS_PATH_API
#endif
#if defined(MA_HAS_PATH_API)
static const char* ma_path_file_name(const char* path)
{
const char* fileName;
if (path == NULL) {
return NULL;
}
fileName = path;
while (path[0] != '\0') {
if (path[0] == '/' || path[0] == '\\') {
fileName = path;
}
path += 1;
}
while (fileName[0] != '\0' && (fileName[0] == '/' || fileName[0] == '\\')) {
fileName += 1;
}
return fileName;
}
static const wchar_t* ma_path_file_name_w(const wchar_t* path)
{
const wchar_t* fileName;
if (path == NULL) {
return NULL;
}
fileName = path;
while (path[0] != '\0') {
if (path[0] == '/' || path[0] == '\\') {
fileName = path;
}
path += 1;
}
while (fileName[0] != '\0' && (fileName[0] == '/' || fileName[0] == '\\')) {
fileName += 1;
}
return fileName;
}
static const char* ma_path_extension(const char* path)
{
const char* extension;
const char* lastOccurance;
if (path == NULL) {
path = "";
}
extension = ma_path_file_name(path);
lastOccurance = NULL;
while (extension[0] != '\0') {
if (extension[0] == '.') {
extension += 1;
lastOccurance = extension;
}
extension += 1;
}
return (lastOccurance != NULL) ? lastOccurance : extension;
}
static const wchar_t* ma_path_extension_w(const wchar_t* path)
{
const wchar_t* extension;
const wchar_t* lastOccurance;
if (path == NULL) {
path = L"";
}
extension = ma_path_file_name_w(path);
lastOccurance = NULL;
while (extension[0] != '\0') {
if (extension[0] == '.') {
extension += 1;
lastOccurance = extension;
}
extension += 1;
}
return (lastOccurance != NULL) ? lastOccurance : extension;
}
static ma_bool32 ma_path_extension_equal(const char* path, const char* extension)
{
const char* ext1;
const char* ext2;
if (path == NULL || extension == NULL) {
return MA_FALSE;
}
ext1 = extension;
ext2 = ma_path_extension(path);
#if defined(_MSC_VER) || defined(__DMC__)
return _stricmp(ext1, ext2) == 0;
#else
return strcasecmp(ext1, ext2) == 0;
#endif
}
static ma_bool32 ma_path_extension_equal_w(const wchar_t* path, const wchar_t* extension)
{
const wchar_t* ext1;
const wchar_t* ext2;
if (path == NULL || extension == NULL) {
return MA_FALSE;
}
ext1 = extension;
ext2 = ma_path_extension_w(path);
#if (defined(_MSC_VER) || defined(__WATCOMC__) || defined(__DMC__)) && !defined(MA_XBOX_NXDK)
{
return _wcsicmp(ext1, ext2) == 0;
}
#elif !defined(MA_XBOX_NXDK) && !defined(MA_DOS)
{
char ext1MB[4096];
char ext2MB[4096];
const wchar_t* pext1 = ext1;
const wchar_t* pext2 = ext2;
mbstate_t mbs1;
mbstate_t mbs2;
MA_ZERO_OBJECT(&mbs1);
MA_ZERO_OBJECT(&mbs2);
if (wcsrtombs(ext1MB, &pext1, sizeof(ext1MB), &mbs1) == (size_t)-1) {
return MA_FALSE;
}
if (wcsrtombs(ext2MB, &pext2, sizeof(ext2MB), &mbs2) == (size_t)-1) {
return MA_FALSE;
}
return strcasecmp(ext1MB, ext2MB) == 0;
}
#else
{
return ma_wcscmp(ext1, ext2) == 0;
}
#endif
}
#endif
static ma_result ma_decoder__on_read_vfs(ma_decoder* pDecoder, void* pBufferOut, size_t bytesToRead, size_t* pBytesRead)
{
MA_ASSERT(pDecoder != NULL);
MA_ASSERT(pBufferOut != NULL);
return ma_vfs_or_default_read(pDecoder->data.vfs.pVFS, pDecoder->data.vfs.file, pBufferOut, bytesToRead, pBytesRead);
}
static ma_result ma_decoder__on_seek_vfs(ma_decoder* pDecoder, ma_int64 offset, ma_seek_origin origin)
{
MA_ASSERT(pDecoder != NULL);
return ma_vfs_or_default_seek(pDecoder->data.vfs.pVFS, pDecoder->data.vfs.file, offset, origin);
}
static ma_result ma_decoder__on_tell_vfs(ma_decoder* pDecoder, ma_int64* pCursor)
{
MA_ASSERT(pDecoder != NULL);
return ma_vfs_or_default_tell(pDecoder->data.vfs.pVFS, pDecoder->data.vfs.file, pCursor);
}
static ma_result ma_decoder__preinit_vfs(ma_vfs* pVFS, const char* pFilePath, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
ma_result result;
ma_vfs_file file;
result = ma_decoder__preinit(ma_decoder__on_read_vfs, ma_decoder__on_seek_vfs, ma_decoder__on_tell_vfs, NULL, pConfig, pDecoder);
if (result != MA_SUCCESS) {
return result;
}
if (pFilePath == NULL || pFilePath[0] == '\0') {
return MA_INVALID_ARGS;
}
result = ma_vfs_or_default_open(pVFS, pFilePath, MA_OPEN_MODE_READ, &file);
if (result != MA_SUCCESS) {
return result;
}
pDecoder->data.vfs.pVFS = pVFS;
pDecoder->data.vfs.file = file;
return MA_SUCCESS;
}
MA_API ma_result ma_decoder_init_vfs(ma_vfs* pVFS, const char* pFilePath, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
ma_result result;
ma_decoder_config config;
config = ma_decoder_config_init_copy(pConfig);
result = ma_decoder__preinit_vfs(pVFS, pFilePath, &config, pDecoder);
if (result != MA_SUCCESS) {
return result;
}
result = MA_NO_BACKEND;
if (config.encodingFormat != ma_encoding_format_unknown) {
#ifdef MA_HAS_WAV
if (config.encodingFormat == ma_encoding_format_wav) {
result = ma_decoder_init_wav__internal(&config, pDecoder);
}
#endif
#ifdef MA_HAS_FLAC
if (config.encodingFormat == ma_encoding_format_flac) {
result = ma_decoder_init_flac__internal(&config, pDecoder);
}
#endif
#ifdef MA_HAS_MP3
if (config.encodingFormat == ma_encoding_format_mp3) {
result = ma_decoder_init_mp3__internal(&config, pDecoder);
}
#endif
#ifdef MA_HAS_VORBIS
if (config.encodingFormat == ma_encoding_format_vorbis) {
result = ma_decoder_init_vorbis__internal(&config, pDecoder);
}
#endif
if (result != MA_SUCCESS) {
ma_decoder__on_seek_vfs(pDecoder, 0, ma_seek_origin_start);
}
}
if (result != MA_SUCCESS) {
result = ma_decoder_init_custom__internal(&config, pDecoder);
if (result != MA_SUCCESS) {
ma_decoder__on_seek_vfs(pDecoder, 0, ma_seek_origin_start);
}
if (config.encodingFormat != ma_encoding_format_unknown) {
return MA_NO_BACKEND;
}
#ifdef MA_HAS_WAV
if (result != MA_SUCCESS && ma_path_extension_equal(pFilePath, "wav")) {
result = ma_decoder_init_wav__internal(&config, pDecoder);
if (result != MA_SUCCESS) {
ma_decoder__on_seek_vfs(pDecoder, 0, ma_seek_origin_start);
}
}
#endif
#ifdef MA_HAS_FLAC
if (result != MA_SUCCESS && ma_path_extension_equal(pFilePath, "flac")) {
result = ma_decoder_init_flac__internal(&config, pDecoder);
if (result != MA_SUCCESS) {
ma_decoder__on_seek_vfs(pDecoder, 0, ma_seek_origin_start);
}
}
#endif
#ifdef MA_HAS_MP3
if (result != MA_SUCCESS && ma_path_extension_equal(pFilePath, "mp3")) {
result = ma_decoder_init_mp3__internal(&config, pDecoder);
if (result != MA_SUCCESS) {
ma_decoder__on_seek_vfs(pDecoder, 0, ma_seek_origin_start);
}
}
#endif
}
if (result != MA_SUCCESS) {
result = ma_decoder_init__internal(ma_decoder__on_read_vfs, ma_decoder__on_seek_vfs, NULL, &config, pDecoder);
} else {
result = ma_decoder__postinit(&config, pDecoder);
}
if (result != MA_SUCCESS) {
if (pDecoder->data.vfs.file != NULL) {
ma_vfs_or_default_close(pVFS, pDecoder->data.vfs.file);
}
return result;
}
return MA_SUCCESS;
}
static ma_result ma_decoder__preinit_vfs_w(ma_vfs* pVFS, const wchar_t* pFilePath, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
ma_result result;
ma_vfs_file file;
result = ma_decoder__preinit(ma_decoder__on_read_vfs, ma_decoder__on_seek_vfs, ma_decoder__on_tell_vfs, NULL, pConfig, pDecoder);
if (result != MA_SUCCESS) {
return result;
}
if (pFilePath == NULL || pFilePath[0] == '\0') {
return MA_INVALID_ARGS;
}
result = ma_vfs_or_default_open_w(pVFS, pFilePath, MA_OPEN_MODE_READ, &file);
if (result != MA_SUCCESS) {
return result;
}
pDecoder->data.vfs.pVFS = pVFS;
pDecoder->data.vfs.file = file;
return MA_SUCCESS;
}
MA_API ma_result ma_decoder_init_vfs_w(ma_vfs* pVFS, const wchar_t* pFilePath, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
ma_result result;
ma_decoder_config config;
config = ma_decoder_config_init_copy(pConfig);
result = ma_decoder__preinit_vfs_w(pVFS, pFilePath, &config, pDecoder);
if (result != MA_SUCCESS) {
return result;
}
result = MA_NO_BACKEND;
if (config.encodingFormat != ma_encoding_format_unknown) {
#ifdef MA_HAS_WAV
if (config.encodingFormat == ma_encoding_format_wav) {
result = ma_decoder_init_wav__internal(&config, pDecoder);
}
#endif
#ifdef MA_HAS_FLAC
if (config.encodingFormat == ma_encoding_format_flac) {
result = ma_decoder_init_flac__internal(&config, pDecoder);
}
#endif
#ifdef MA_HAS_MP3
if (config.encodingFormat == ma_encoding_format_mp3) {
result = ma_decoder_init_mp3__internal(&config, pDecoder);
}
#endif
#ifdef MA_HAS_VORBIS
if (config.encodingFormat == ma_encoding_format_vorbis) {
result = ma_decoder_init_vorbis__internal(&config, pDecoder);
}
#endif
if (result != MA_SUCCESS) {
ma_decoder__on_seek_vfs(pDecoder, 0, ma_seek_origin_start);
}
}
if (result != MA_SUCCESS) {
result = ma_decoder_init_custom__internal(&config, pDecoder);
if (result != MA_SUCCESS) {
ma_decoder__on_seek_vfs(pDecoder, 0, ma_seek_origin_start);
}
if (config.encodingFormat != ma_encoding_format_unknown) {
return MA_NO_BACKEND;
}
#ifdef MA_HAS_WAV
if (result != MA_SUCCESS && ma_path_extension_equal_w(pFilePath, L"wav")) {
result = ma_decoder_init_wav__internal(&config, pDecoder);
if (result != MA_SUCCESS) {
ma_decoder__on_seek_vfs(pDecoder, 0, ma_seek_origin_start);
}
}
#endif
#ifdef MA_HAS_FLAC
if (result != MA_SUCCESS && ma_path_extension_equal_w(pFilePath, L"flac")) {
result = ma_decoder_init_flac__internal(&config, pDecoder);
if (result != MA_SUCCESS) {
ma_decoder__on_seek_vfs(pDecoder, 0, ma_seek_origin_start);
}
}
#endif
#ifdef MA_HAS_MP3
if (result != MA_SUCCESS && ma_path_extension_equal_w(pFilePath, L"mp3")) {
result = ma_decoder_init_mp3__internal(&config, pDecoder);
if (result != MA_SUCCESS) {
ma_decoder__on_seek_vfs(pDecoder, 0, ma_seek_origin_start);
}
}
#endif
}
if (result != MA_SUCCESS) {
result = ma_decoder_init__internal(ma_decoder__on_read_vfs, ma_decoder__on_seek_vfs, NULL, &config, pDecoder);
} else {
result = ma_decoder__postinit(&config, pDecoder);
}
if (result != MA_SUCCESS) {
ma_vfs_or_default_close(pVFS, pDecoder->data.vfs.file);
return result;
}
return MA_SUCCESS;
}
static ma_result ma_decoder__preinit_file(const char* pFilePath, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
ma_result result;
result = ma_decoder__preinit(NULL, NULL, NULL, NULL, pConfig, pDecoder);
if (result != MA_SUCCESS) {
return result;
}
if (pFilePath == NULL || pFilePath[0] == '\0') {
return MA_INVALID_ARGS;
}
return MA_SUCCESS;
}
MA_API ma_result ma_decoder_init_file(const char* pFilePath, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
ma_result result;
ma_decoder_config config;
config = ma_decoder_config_init_copy(pConfig);
result = ma_decoder__preinit_file(pFilePath, &config, pDecoder);
if (result != MA_SUCCESS) {
return result;
}
result = MA_NO_BACKEND;
if (config.encodingFormat != ma_encoding_format_unknown) {
#ifdef MA_HAS_WAV
if (config.encodingFormat == ma_encoding_format_wav) {
result = ma_decoder_init_wav_from_file__internal(pFilePath, &config, pDecoder);
}
#endif
#ifdef MA_HAS_FLAC
if (config.encodingFormat == ma_encoding_format_flac) {
result = ma_decoder_init_flac_from_file__internal(pFilePath, &config, pDecoder);
}
#endif
#ifdef MA_HAS_MP3
if (config.encodingFormat == ma_encoding_format_mp3) {
result = ma_decoder_init_mp3_from_file__internal(pFilePath, &config, pDecoder);
}
#endif
#ifdef MA_HAS_VORBIS
if (config.encodingFormat == ma_encoding_format_vorbis) {
result = ma_decoder_init_vorbis_from_file__internal(pFilePath, &config, pDecoder);
}
#endif
}
if (result != MA_SUCCESS) {
result = ma_decoder_init_custom_from_file__internal(pFilePath, &config, pDecoder);
if (result != MA_SUCCESS && config.encodingFormat != ma_encoding_format_unknown) {
return MA_NO_BACKEND;
}
#ifdef MA_HAS_WAV
if (result != MA_SUCCESS && ma_path_extension_equal(pFilePath, "wav")) {
result = ma_decoder_init_wav_from_file__internal(pFilePath, &config, pDecoder);
}
#endif
#ifdef MA_HAS_FLAC
if (result != MA_SUCCESS && ma_path_extension_equal(pFilePath, "flac")) {
result = ma_decoder_init_flac_from_file__internal(pFilePath, &config, pDecoder);
}
#endif
#ifdef MA_HAS_MP3
if (result != MA_SUCCESS && ma_path_extension_equal(pFilePath, "mp3")) {
result = ma_decoder_init_mp3_from_file__internal(pFilePath, &config, pDecoder);
}
#endif
#ifdef MA_HAS_VORBIS
if (result != MA_SUCCESS && ma_path_extension_equal(pFilePath, "ogg")) {
result = ma_decoder_init_vorbis_from_file__internal(pFilePath, &config, pDecoder);
}
#endif
if (result != MA_SUCCESS) {
#ifdef MA_HAS_WAV
if (result != MA_SUCCESS) {
result = ma_decoder_init_wav_from_file__internal(pFilePath, &config, pDecoder);
}
#endif
#ifdef MA_HAS_FLAC
if (result != MA_SUCCESS) {
result = ma_decoder_init_flac_from_file__internal(pFilePath, &config, pDecoder);
}
#endif
#ifdef MA_HAS_MP3
if (result != MA_SUCCESS) {
result = ma_decoder_init_mp3_from_file__internal(pFilePath, &config, pDecoder);
}
#endif
#ifdef MA_HAS_VORBIS
if (result != MA_SUCCESS) {
result = ma_decoder_init_vorbis_from_file__internal(pFilePath, &config, pDecoder);
}
#endif
}
}
if (result == MA_SUCCESS) {
result = ma_decoder__postinit(&config, pDecoder);
if (result != MA_SUCCESS) {
return result;
}
} else {
result = ma_decoder_init_vfs(NULL, pFilePath, pConfig, pDecoder);
if (result != MA_SUCCESS) {
return result;
}
}
return MA_SUCCESS;
}
static ma_result ma_decoder__preinit_file_w(const wchar_t* pFilePath, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
ma_result result;
result = ma_decoder__preinit(NULL, NULL, NULL, NULL, pConfig, pDecoder);
if (result != MA_SUCCESS) {
return result;
}
if (pFilePath == NULL || pFilePath[0] == '\0') {
return MA_INVALID_ARGS;
}
return MA_SUCCESS;
}
MA_API ma_result ma_decoder_init_file_w(const wchar_t* pFilePath, const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
ma_result result;
ma_decoder_config config;
config = ma_decoder_config_init_copy(pConfig);
result = ma_decoder__preinit_file_w(pFilePath, &config, pDecoder);
if (result != MA_SUCCESS) {
return result;
}
result = MA_NO_BACKEND;
if (config.encodingFormat != ma_encoding_format_unknown) {
#ifdef MA_HAS_WAV
if (config.encodingFormat == ma_encoding_format_wav) {
result = ma_decoder_init_wav_from_file_w__internal(pFilePath, &config, pDecoder);
}
#endif
#ifdef MA_HAS_FLAC
if (config.encodingFormat == ma_encoding_format_flac) {
result = ma_decoder_init_flac_from_file_w__internal(pFilePath, &config, pDecoder);
}
#endif
#ifdef MA_HAS_MP3
if (config.encodingFormat == ma_encoding_format_mp3) {
result = ma_decoder_init_mp3_from_file_w__internal(pFilePath, &config, pDecoder);
}
#endif
#ifdef MA_HAS_VORBIS
if (config.encodingFormat == ma_encoding_format_vorbis) {
result = ma_decoder_init_vorbis_from_file_w__internal(pFilePath, &config, pDecoder);
}
#endif
}
if (result != MA_SUCCESS) {
result = ma_decoder_init_custom_from_file_w__internal(pFilePath, &config, pDecoder);
if (result != MA_SUCCESS && config.encodingFormat != ma_encoding_format_unknown) {
return MA_NO_BACKEND;
}
#ifdef MA_HAS_WAV
if (result != MA_SUCCESS && ma_path_extension_equal_w(pFilePath, L"wav")) {
result = ma_decoder_init_wav_from_file_w__internal(pFilePath, &config, pDecoder);
}
#endif
#ifdef MA_HAS_FLAC
if (result != MA_SUCCESS && ma_path_extension_equal_w(pFilePath, L"flac")) {
result = ma_decoder_init_flac_from_file_w__internal(pFilePath, &config, pDecoder);
}
#endif
#ifdef MA_HAS_MP3
if (result != MA_SUCCESS && ma_path_extension_equal_w(pFilePath, L"mp3")) {
result = ma_decoder_init_mp3_from_file_w__internal(pFilePath, &config, pDecoder);
}
#endif
#ifdef MA_HAS_VORBIS
if (result != MA_SUCCESS && ma_path_extension_equal_w(pFilePath, L"ogg")) {
result = ma_decoder_init_vorbis_from_file_w__internal(pFilePath, &config, pDecoder);
}
#endif
if (result != MA_SUCCESS) {
#ifdef MA_HAS_WAV
if (result != MA_SUCCESS) {
result = ma_decoder_init_wav_from_file_w__internal(pFilePath, &config, pDecoder);
}
#endif
#ifdef MA_HAS_FLAC
if (result != MA_SUCCESS) {
result = ma_decoder_init_flac_from_file_w__internal(pFilePath, &config, pDecoder);
}
#endif
#ifdef MA_HAS_MP3
if (result != MA_SUCCESS) {
result = ma_decoder_init_mp3_from_file_w__internal(pFilePath, &config, pDecoder);
}
#endif
#ifdef MA_HAS_VORBIS
if (result != MA_SUCCESS) {
result = ma_decoder_init_vorbis_from_file_w__internal(pFilePath, &config, pDecoder);
}
#endif
}
}
if (result == MA_SUCCESS) {
result = ma_decoder__postinit(&config, pDecoder);
if (result != MA_SUCCESS) {
return result;
}
} else {
result = ma_decoder_init_vfs_w(NULL, pFilePath, pConfig, pDecoder);
if (result != MA_SUCCESS) {
return result;
}
}
return MA_SUCCESS;
}
MA_API ma_result ma_decoder_uninit(ma_decoder* pDecoder)
{
if (pDecoder == NULL) {
return MA_INVALID_ARGS;
}
if (pDecoder->pBackend != NULL) {
if (pDecoder->pBackendVTable != NULL && pDecoder->pBackendVTable->onUninit != NULL) {
pDecoder->pBackendVTable->onUninit(pDecoder->pBackendUserData, pDecoder->pBackend, &pDecoder->allocationCallbacks);
}
}
if (pDecoder->onRead == ma_decoder__on_read_vfs) {
ma_vfs_or_default_close(pDecoder->data.vfs.pVFS, pDecoder->data.vfs.file);
pDecoder->data.vfs.file = NULL;
}
ma_data_converter_uninit(&pDecoder->converter, &pDecoder->allocationCallbacks);
ma_data_source_uninit(&pDecoder->ds);
if (pDecoder->pInputCache != NULL) {
ma_free(pDecoder->pInputCache, &pDecoder->allocationCallbacks);
}
return MA_SUCCESS;
}
MA_API ma_result ma_decoder_read_pcm_frames(ma_decoder* pDecoder, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
{
ma_result result = MA_SUCCESS;
ma_uint64 totalFramesReadOut;
void* pRunningFramesOut;
if (pFramesRead != NULL) {
*pFramesRead = 0;
}
if (frameCount == 0) {
return MA_INVALID_ARGS;
}
if (pDecoder == NULL) {
return MA_INVALID_ARGS;
}
if (pDecoder->pBackend == NULL) {
return MA_INVALID_OPERATION;
}
if (pDecoder->converter.isPassthrough) {
result = ma_data_source_read_pcm_frames(pDecoder->pBackend, pFramesOut, frameCount, &totalFramesReadOut);
} else {
if (pFramesOut == NULL && pDecoder->converter.hasResampler == MA_FALSE) {
result = ma_data_source_read_pcm_frames(pDecoder->pBackend, NULL, frameCount, &totalFramesReadOut);
} else {
ma_format internalFormat;
ma_uint32 internalChannels;
totalFramesReadOut = 0;
pRunningFramesOut = pFramesOut;
result = ma_data_source_get_data_format(pDecoder->pBackend, &internalFormat, &internalChannels, NULL, NULL, 0);
if (result != MA_SUCCESS) {
return result;
}
if (pDecoder->pInputCache != NULL) {
while (totalFramesReadOut < frameCount) {
ma_uint64 framesToReadThisIterationIn;
ma_uint64 framesToReadThisIterationOut;
if (pDecoder->inputCacheRemaining > 0) {
framesToReadThisIterationOut = (frameCount - totalFramesReadOut);
framesToReadThisIterationIn = framesToReadThisIterationOut;
if (framesToReadThisIterationIn > pDecoder->inputCacheRemaining) {
framesToReadThisIterationIn = pDecoder->inputCacheRemaining;
}
result = ma_data_converter_process_pcm_frames(&pDecoder->converter, ma_offset_pcm_frames_ptr(pDecoder->pInputCache, pDecoder->inputCacheConsumed, internalFormat, internalChannels), &framesToReadThisIterationIn, pRunningFramesOut, &framesToReadThisIterationOut);
if (result != MA_SUCCESS) {
break;
}
pDecoder->inputCacheConsumed += framesToReadThisIterationIn;
pDecoder->inputCacheRemaining -= framesToReadThisIterationIn;
totalFramesReadOut += framesToReadThisIterationOut;
if (pRunningFramesOut != NULL) {
pRunningFramesOut = ma_offset_ptr(pRunningFramesOut, framesToReadThisIterationOut * ma_get_bytes_per_frame(pDecoder->outputFormat, pDecoder->outputChannels));
}
if (framesToReadThisIterationIn == 0 && framesToReadThisIterationOut == 0) {
break;
}
}
if (pDecoder->inputCacheRemaining == 0) {
pDecoder->inputCacheConsumed = 0;
result = ma_data_source_read_pcm_frames(pDecoder->pBackend, pDecoder->pInputCache, pDecoder->inputCacheCap, &pDecoder->inputCacheRemaining);
if (result != MA_SUCCESS) {
break;
}
}
}
} else {
while (totalFramesReadOut < frameCount) {
ma_uint8 pIntermediaryBuffer[MA_DATA_CONVERTER_STACK_BUFFER_SIZE];
ma_uint64 intermediaryBufferCap = sizeof(pIntermediaryBuffer) / ma_get_bytes_per_frame(internalFormat, internalChannels);
ma_uint64 framesToReadThisIterationIn;
ma_uint64 framesReadThisIterationIn;
ma_uint64 framesToReadThisIterationOut;
ma_uint64 framesReadThisIterationOut;
ma_uint64 requiredInputFrameCount;
framesToReadThisIterationOut = (frameCount - totalFramesReadOut);
framesToReadThisIterationIn = framesToReadThisIterationOut;
if (framesToReadThisIterationIn > intermediaryBufferCap) {
framesToReadThisIterationIn = intermediaryBufferCap;
}
ma_data_converter_get_required_input_frame_count(&pDecoder->converter, framesToReadThisIterationOut, &requiredInputFrameCount);
if (framesToReadThisIterationIn > requiredInputFrameCount) {
framesToReadThisIterationIn = requiredInputFrameCount;
}
if (requiredInputFrameCount > 0) {
result = ma_data_source_read_pcm_frames(pDecoder->pBackend, pIntermediaryBuffer, framesToReadThisIterationIn, &framesReadThisIterationIn);
if (result != MA_SUCCESS && result != MA_AT_END) {
break;
}
} else {
framesReadThisIterationIn = 0;
pIntermediaryBuffer[0] = 0;
}
framesReadThisIterationOut = framesToReadThisIterationOut;
result = ma_data_converter_process_pcm_frames(&pDecoder->converter, pIntermediaryBuffer, &framesReadThisIterationIn, pRunningFramesOut, &framesReadThisIterationOut);
if (result != MA_SUCCESS) {
break;
}
totalFramesReadOut += framesReadThisIterationOut;
if (pRunningFramesOut != NULL) {
pRunningFramesOut = ma_offset_ptr(pRunningFramesOut, framesReadThisIterationOut * ma_get_bytes_per_frame(pDecoder->outputFormat, pDecoder->outputChannels));
}
if (framesReadThisIterationIn == 0 && framesReadThisIterationOut == 0) {
break;
}
}
}
}
}
pDecoder->readPointerInPCMFrames += totalFramesReadOut;
if (pFramesRead != NULL) {
*pFramesRead = totalFramesReadOut;
}
if (result == MA_SUCCESS && totalFramesReadOut == 0) {
result = MA_AT_END;
}
return result;
}
MA_API ma_result ma_decoder_seek_to_pcm_frame(ma_decoder* pDecoder, ma_uint64 frameIndex)
{
if (pDecoder == NULL) {
return MA_INVALID_ARGS;
}
if (pDecoder->pBackend != NULL) {
ma_result result;
ma_uint64 internalFrameIndex;
ma_uint32 internalSampleRate;
ma_uint64 currentFrameIndex;
result = ma_data_source_get_data_format(pDecoder->pBackend, NULL, NULL, &internalSampleRate, NULL, 0);
if (result != MA_SUCCESS) {
return result;
}
if (internalSampleRate == pDecoder->outputSampleRate) {
internalFrameIndex = frameIndex;
} else {
internalFrameIndex = ma_calculate_frame_count_after_resampling(internalSampleRate, pDecoder->outputSampleRate, frameIndex);
}
ma_data_source_get_cursor_in_pcm_frames(pDecoder->pBackend, &currentFrameIndex);
if (currentFrameIndex != internalFrameIndex) {
result = ma_data_source_seek_to_pcm_frame(pDecoder->pBackend, internalFrameIndex);
if (result == MA_SUCCESS) {
pDecoder->readPointerInPCMFrames = frameIndex;
}
ma_data_converter_reset(&pDecoder->converter);
}
return result;
}
return MA_INVALID_ARGS;
}
MA_API ma_result ma_decoder_get_data_format(ma_decoder* pDecoder, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap)
{
if (pDecoder == NULL) {
return MA_INVALID_ARGS;
}
if (pFormat != NULL) {
*pFormat = pDecoder->outputFormat;
}
if (pChannels != NULL) {
*pChannels = pDecoder->outputChannels;
}
if (pSampleRate != NULL) {
*pSampleRate = pDecoder->outputSampleRate;
}
if (pChannelMap != NULL) {
ma_data_converter_get_output_channel_map(&pDecoder->converter, pChannelMap, channelMapCap);
}
return MA_SUCCESS;
}
MA_API ma_result ma_decoder_get_cursor_in_pcm_frames(ma_decoder* pDecoder, ma_uint64* pCursor)
{
if (pCursor == NULL) {
return MA_INVALID_ARGS;
}
*pCursor = 0;
if (pDecoder == NULL) {
return MA_INVALID_ARGS;
}
*pCursor = pDecoder->readPointerInPCMFrames;
return MA_SUCCESS;
}
MA_API ma_result ma_decoder_get_length_in_pcm_frames(ma_decoder* pDecoder, ma_uint64* pLength)
{
if (pLength == NULL) {
return MA_INVALID_ARGS;
}
*pLength = 0;
if (pDecoder == NULL) {
return MA_INVALID_ARGS;
}
if (pDecoder->pBackend != NULL) {
ma_result result;
ma_uint64 internalLengthInPCMFrames;
ma_uint32 internalSampleRate;
result = ma_data_source_get_length_in_pcm_frames(pDecoder->pBackend, &internalLengthInPCMFrames);
if (result != MA_SUCCESS) {
return result;
}
result = ma_data_source_get_data_format(pDecoder->pBackend, NULL, NULL, &internalSampleRate, NULL, 0);
if (result != MA_SUCCESS) {
return result;
}
if (internalSampleRate == pDecoder->outputSampleRate) {
*pLength = internalLengthInPCMFrames;
} else {
*pLength = ma_calculate_frame_count_after_resampling(pDecoder->outputSampleRate, internalSampleRate, internalLengthInPCMFrames);
}
return MA_SUCCESS;
} else {
return MA_NO_BACKEND;
}
}
MA_API ma_result ma_decoder_get_available_frames(ma_decoder* pDecoder, ma_uint64* pAvailableFrames)
{
ma_result result;
ma_uint64 totalFrameCount;
if (pAvailableFrames == NULL) {
return MA_INVALID_ARGS;
}
*pAvailableFrames = 0;
if (pDecoder == NULL) {
return MA_INVALID_ARGS;
}
result = ma_decoder_get_length_in_pcm_frames(pDecoder, &totalFrameCount);
if (result != MA_SUCCESS) {
return result;
}
if (totalFrameCount <= pDecoder->readPointerInPCMFrames) {
*pAvailableFrames = 0;
} else {
*pAvailableFrames = totalFrameCount - pDecoder->readPointerInPCMFrames;
}
return MA_SUCCESS;
}
static ma_result ma_decoder__full_decode_and_uninit(ma_decoder* pDecoder, ma_decoder_config* pConfigOut, ma_uint64* pFrameCountOut, void** ppPCMFramesOut)
{
ma_result result;
ma_uint64 totalFrameCount;
ma_uint64 bpf;
ma_uint64 dataCapInFrames;
void* pPCMFramesOut;
MA_ASSERT(pDecoder != NULL);
totalFrameCount = 0;
bpf = ma_get_bytes_per_frame(pDecoder->outputFormat, pDecoder->outputChannels);
dataCapInFrames = 0;
pPCMFramesOut = NULL;
for (;;) {
ma_uint64 frameCountToTryReading;
ma_uint64 framesJustRead;
if (totalFrameCount == dataCapInFrames) {
void* pNewPCMFramesOut;
ma_uint64 newDataCapInFrames = dataCapInFrames*2;
if (newDataCapInFrames == 0) {
newDataCapInFrames = 4096;
}
if ((newDataCapInFrames * bpf) > MA_SIZE_MAX) {
ma_free(pPCMFramesOut, &pDecoder->allocationCallbacks);
return MA_TOO_BIG;
}
pNewPCMFramesOut = (void*)ma_realloc(pPCMFramesOut, (size_t)(newDataCapInFrames * bpf), &pDecoder->allocationCallbacks);
if (pNewPCMFramesOut == NULL) {
ma_free(pPCMFramesOut, &pDecoder->allocationCallbacks);
return MA_OUT_OF_MEMORY;
}
dataCapInFrames = newDataCapInFrames;
pPCMFramesOut = pNewPCMFramesOut;
}
frameCountToTryReading = dataCapInFrames - totalFrameCount;
MA_ASSERT(frameCountToTryReading > 0);
result = ma_decoder_read_pcm_frames(pDecoder, (ma_uint8*)pPCMFramesOut + (totalFrameCount * bpf), frameCountToTryReading, &framesJustRead);
totalFrameCount += framesJustRead;
if (result != MA_SUCCESS) {
break;
}
if (framesJustRead < frameCountToTryReading) {
break;
}
}
if (pConfigOut != NULL) {
pConfigOut->format = pDecoder->outputFormat;
pConfigOut->channels = pDecoder->outputChannels;
pConfigOut->sampleRate = pDecoder->outputSampleRate;
}
if (ppPCMFramesOut != NULL) {
*ppPCMFramesOut = pPCMFramesOut;
} else {
ma_free(pPCMFramesOut, &pDecoder->allocationCallbacks);
}
if (pFrameCountOut != NULL) {
*pFrameCountOut = totalFrameCount;
}
ma_decoder_uninit(pDecoder);
return MA_SUCCESS;
}
MA_API ma_result ma_decode_from_vfs(ma_vfs* pVFS, const char* pFilePath, ma_decoder_config* pConfig, ma_uint64* pFrameCountOut, void** ppPCMFramesOut)
{
ma_result result;
ma_decoder_config config;
ma_decoder decoder;
if (pFrameCountOut != NULL) {
*pFrameCountOut = 0;
}
if (ppPCMFramesOut != NULL) {
*ppPCMFramesOut = NULL;
}
config = ma_decoder_config_init_copy(pConfig);
result = ma_decoder_init_vfs(pVFS, pFilePath, &config, &decoder);
if (result != MA_SUCCESS) {
return result;
}
result = ma_decoder__full_decode_and_uninit(&decoder, pConfig, pFrameCountOut, ppPCMFramesOut);
return result;
}
MA_API ma_result ma_decode_file(const char* pFilePath, ma_decoder_config* pConfig, ma_uint64* pFrameCountOut, void** ppPCMFramesOut)
{
return ma_decode_from_vfs(NULL, pFilePath, pConfig, pFrameCountOut, ppPCMFramesOut);
}
MA_API ma_result ma_decode_memory(const void* pData, size_t dataSize, ma_decoder_config* pConfig, ma_uint64* pFrameCountOut, void** ppPCMFramesOut)
{
ma_decoder_config config;
ma_decoder decoder;
ma_result result;
if (pFrameCountOut != NULL) {
*pFrameCountOut = 0;
}
if (ppPCMFramesOut != NULL) {
*ppPCMFramesOut = NULL;
}
if (pData == NULL || dataSize == 0) {
return MA_INVALID_ARGS;
}
config = ma_decoder_config_init_copy(pConfig);
result = ma_decoder_init_memory(pData, dataSize, &config, &decoder);
if (result != MA_SUCCESS) {
return result;
}
return ma_decoder__full_decode_and_uninit(&decoder, pConfig, pFrameCountOut, ppPCMFramesOut);
}
#endif
#ifndef MA_NO_ENCODING
#if defined(MA_HAS_WAV)
static size_t ma_encoder__internal_on_write_wav(void* pUserData, const void* pData, size_t bytesToWrite)
{
ma_encoder* pEncoder = (ma_encoder*)pUserData;
size_t bytesWritten = 0;
MA_ASSERT(pEncoder != NULL);
pEncoder->onWrite(pEncoder, pData, bytesToWrite, &bytesWritten);
return bytesWritten;
}
static ma_bool32 ma_encoder__internal_on_seek_wav(void* pUserData, int offset, ma_dr_wav_seek_origin origin)
{
ma_encoder* pEncoder = (ma_encoder*)pUserData;
ma_result result;
ma_seek_origin maSeekOrigin;
MA_ASSERT(pEncoder != NULL);
maSeekOrigin = ma_seek_origin_start;
if (origin == MA_DR_WAV_SEEK_CUR) {
maSeekOrigin = ma_seek_origin_current;
} else if (origin == MA_DR_WAV_SEEK_END) {
maSeekOrigin = ma_seek_origin_end;
}
result = pEncoder->onSeek(pEncoder, offset, maSeekOrigin);
if (result != MA_SUCCESS) {
return MA_FALSE;
} else {
return MA_TRUE;
}
}
static ma_result ma_encoder__on_init_wav(ma_encoder* pEncoder)
{
ma_dr_wav_data_format wavFormat;
ma_allocation_callbacks allocationCallbacks;
ma_dr_wav* pWav;
MA_ASSERT(pEncoder != NULL);
pWav = (ma_dr_wav*)ma_malloc(sizeof(*pWav), &pEncoder->config.allocationCallbacks);
if (pWav == NULL) {
return MA_OUT_OF_MEMORY;
}
wavFormat.container = ma_dr_wav_container_riff;
wavFormat.channels = pEncoder->config.channels;
wavFormat.sampleRate = pEncoder->config.sampleRate;
wavFormat.bitsPerSample = ma_get_bytes_per_sample(pEncoder->config.format) * 8;
if (pEncoder->config.format == ma_format_f32) {
wavFormat.format = MA_DR_WAVE_FORMAT_IEEE_FLOAT;
} else {
wavFormat.format = MA_DR_WAVE_FORMAT_PCM;
}
allocationCallbacks.pUserData = pEncoder->config.allocationCallbacks.pUserData;
allocationCallbacks.onMalloc = pEncoder->config.allocationCallbacks.onMalloc;
allocationCallbacks.onRealloc = pEncoder->config.allocationCallbacks.onRealloc;
allocationCallbacks.onFree = pEncoder->config.allocationCallbacks.onFree;
if (!ma_dr_wav_init_write(pWav, &wavFormat, ma_encoder__internal_on_write_wav, ma_encoder__internal_on_seek_wav, pEncoder, &allocationCallbacks)) {
return MA_ERROR;
}
pEncoder->pInternalEncoder = pWav;
return MA_SUCCESS;
}
static void ma_encoder__on_uninit_wav(ma_encoder* pEncoder)
{
ma_dr_wav* pWav;
MA_ASSERT(pEncoder != NULL);
pWav = (ma_dr_wav*)pEncoder->pInternalEncoder;
MA_ASSERT(pWav != NULL);
ma_dr_wav_uninit(pWav);
ma_free(pWav, &pEncoder->config.allocationCallbacks);
}
static ma_result ma_encoder__on_write_pcm_frames_wav(ma_encoder* pEncoder, const void* pFramesIn, ma_uint64 frameCount, ma_uint64* pFramesWritten)
{
ma_dr_wav* pWav;
ma_uint64 framesWritten;
MA_ASSERT(pEncoder != NULL);
pWav = (ma_dr_wav*)pEncoder->pInternalEncoder;
MA_ASSERT(pWav != NULL);
framesWritten = ma_dr_wav_write_pcm_frames(pWav, frameCount, pFramesIn);
if (pFramesWritten != NULL) {
*pFramesWritten = framesWritten;
}
return MA_SUCCESS;
}
#endif
MA_API ma_encoder_config ma_encoder_config_init(ma_encoding_format encodingFormat, ma_format format, ma_uint32 channels, ma_uint32 sampleRate)
{
ma_encoder_config config;
MA_ZERO_OBJECT(&config);
config.encodingFormat = encodingFormat;
config.format = format;
config.channels = channels;
config.sampleRate = sampleRate;
return config;
}
MA_API ma_result ma_encoder_preinit(const ma_encoder_config* pConfig, ma_encoder* pEncoder)
{
ma_result result;
if (pEncoder == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pEncoder);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->format == ma_format_unknown || pConfig->channels == 0 || pConfig->sampleRate == 0) {
return MA_INVALID_ARGS;
}
pEncoder->config = *pConfig;
result = ma_allocation_callbacks_init_copy(&pEncoder->config.allocationCallbacks, &pConfig->allocationCallbacks);
if (result != MA_SUCCESS) {
return result;
}
return MA_SUCCESS;
}
MA_API ma_result ma_encoder_init__internal(ma_encoder_write_proc onWrite, ma_encoder_seek_proc onSeek, void* pUserData, ma_encoder* pEncoder)
{
ma_result result = MA_SUCCESS;
MA_ASSERT(pEncoder != NULL);
if (onWrite == NULL || onSeek == NULL) {
return MA_INVALID_ARGS;
}
pEncoder->onWrite = onWrite;
pEncoder->onSeek = onSeek;
pEncoder->pUserData = pUserData;
switch (pEncoder->config.encodingFormat)
{
case ma_encoding_format_wav:
{
#if defined(MA_HAS_WAV)
pEncoder->onInit = ma_encoder__on_init_wav;
pEncoder->onUninit = ma_encoder__on_uninit_wav;
pEncoder->onWritePCMFrames = ma_encoder__on_write_pcm_frames_wav;
#else
result = MA_NO_BACKEND;
#endif
} break;
default:
{
result = MA_INVALID_ARGS;
} break;
}
if (result == MA_SUCCESS) {
result = pEncoder->onInit(pEncoder);
}
return result;
}
static ma_result ma_encoder__on_write_vfs(ma_encoder* pEncoder, const void* pBufferIn, size_t bytesToWrite, size_t* pBytesWritten)
{
return ma_vfs_or_default_write(pEncoder->data.vfs.pVFS, pEncoder->data.vfs.file, pBufferIn, bytesToWrite, pBytesWritten);
}
static ma_result ma_encoder__on_seek_vfs(ma_encoder* pEncoder, ma_int64 offset, ma_seek_origin origin)
{
return ma_vfs_or_default_seek(pEncoder->data.vfs.pVFS, pEncoder->data.vfs.file, offset, origin);
}
MA_API ma_result ma_encoder_init_vfs(ma_vfs* pVFS, const char* pFilePath, const ma_encoder_config* pConfig, ma_encoder* pEncoder)
{
ma_result result;
ma_vfs_file file;
result = ma_encoder_preinit(pConfig, pEncoder);
if (result != MA_SUCCESS) {
return result;
}
result = ma_vfs_or_default_open(pVFS, pFilePath, MA_OPEN_MODE_WRITE, &file);
if (result != MA_SUCCESS) {
return result;
}
pEncoder->data.vfs.pVFS = pVFS;
pEncoder->data.vfs.file = file;
result = ma_encoder_init__internal(ma_encoder__on_write_vfs, ma_encoder__on_seek_vfs, NULL, pEncoder);
if (result != MA_SUCCESS) {
ma_vfs_or_default_close(pVFS, file);
return result;
}
return MA_SUCCESS;
}
MA_API ma_result ma_encoder_init_vfs_w(ma_vfs* pVFS, const wchar_t* pFilePath, const ma_encoder_config* pConfig, ma_encoder* pEncoder)
{
ma_result result;
ma_vfs_file file;
result = ma_encoder_preinit(pConfig, pEncoder);
if (result != MA_SUCCESS) {
return result;
}
result = ma_vfs_or_default_open_w(pVFS, pFilePath, MA_OPEN_MODE_WRITE, &file);
if (result != MA_SUCCESS) {
return result;
}
pEncoder->data.vfs.pVFS = pVFS;
pEncoder->data.vfs.file = file;
result = ma_encoder_init__internal(ma_encoder__on_write_vfs, ma_encoder__on_seek_vfs, NULL, pEncoder);
if (result != MA_SUCCESS) {
ma_vfs_or_default_close(pVFS, file);
return result;
}
return MA_SUCCESS;
}
MA_API ma_result ma_encoder_init_file(const char* pFilePath, const ma_encoder_config* pConfig, ma_encoder* pEncoder)
{
return ma_encoder_init_vfs(NULL, pFilePath, pConfig, pEncoder);
}
MA_API ma_result ma_encoder_init_file_w(const wchar_t* pFilePath, const ma_encoder_config* pConfig, ma_encoder* pEncoder)
{
return ma_encoder_init_vfs_w(NULL, pFilePath, pConfig, pEncoder);
}
MA_API ma_result ma_encoder_init(ma_encoder_write_proc onWrite, ma_encoder_seek_proc onSeek, void* pUserData, const ma_encoder_config* pConfig, ma_encoder* pEncoder)
{
ma_result result;
result = ma_encoder_preinit(pConfig, pEncoder);
if (result != MA_SUCCESS) {
return result;
}
return ma_encoder_init__internal(onWrite, onSeek, pUserData, pEncoder);
}
MA_API void ma_encoder_uninit(ma_encoder* pEncoder)
{
if (pEncoder == NULL) {
return;
}
if (pEncoder->onUninit) {
pEncoder->onUninit(pEncoder);
}
if (pEncoder->onWrite == ma_encoder__on_write_vfs) {
ma_vfs_or_default_close(pEncoder->data.vfs.pVFS, pEncoder->data.vfs.file);
pEncoder->data.vfs.file = NULL;
}
}
MA_API ma_result ma_encoder_write_pcm_frames(ma_encoder* pEncoder, const void* pFramesIn, ma_uint64 frameCount, ma_uint64* pFramesWritten)
{
if (pFramesWritten != NULL) {
*pFramesWritten = 0;
}
if (pEncoder == NULL || pFramesIn == NULL) {
return MA_INVALID_ARGS;
}
return pEncoder->onWritePCMFrames(pEncoder, pFramesIn, frameCount, pFramesWritten);
}
#endif
#ifndef MA_NO_GENERATION
MA_API ma_waveform_config ma_waveform_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRate, ma_waveform_type type, double amplitude, double frequency)
{
ma_waveform_config config;
MA_ZERO_OBJECT(&config);
config.format = format;
config.channels = channels;
config.sampleRate = sampleRate;
config.type = type;
config.amplitude = amplitude;
config.frequency = frequency;
return config;
}
static ma_result ma_waveform__data_source_on_read(ma_data_source* pDataSource, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
{
return ma_waveform_read_pcm_frames((ma_waveform*)pDataSource, pFramesOut, frameCount, pFramesRead);
}
static ma_result ma_waveform__data_source_on_seek(ma_data_source* pDataSource, ma_uint64 frameIndex)
{
return ma_waveform_seek_to_pcm_frame((ma_waveform*)pDataSource, frameIndex);
}
static ma_result ma_waveform__data_source_on_get_data_format(ma_data_source* pDataSource, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap)
{
ma_waveform* pWaveform = (ma_waveform*)pDataSource;
*pFormat = pWaveform->config.format;
*pChannels = pWaveform->config.channels;
*pSampleRate = pWaveform->config.sampleRate;
ma_channel_map_init_standard(ma_standard_channel_map_default, pChannelMap, channelMapCap, pWaveform->config.channels);
return MA_SUCCESS;
}
static ma_result ma_waveform__data_source_on_get_cursor(ma_data_source* pDataSource, ma_uint64* pCursor)
{
ma_waveform* pWaveform = (ma_waveform*)pDataSource;
*pCursor = (ma_uint64)(pWaveform->time / pWaveform->advance);
return MA_SUCCESS;
}
static double ma_waveform__calculate_advance(ma_uint32 sampleRate, double frequency)
{
return (1.0 / (sampleRate / frequency));
}
static void ma_waveform__update_advance(ma_waveform* pWaveform)
{
pWaveform->advance = ma_waveform__calculate_advance(pWaveform->config.sampleRate, pWaveform->config.frequency);
}
static ma_data_source_vtable g_ma_waveform_data_source_vtable =
{
ma_waveform__data_source_on_read,
ma_waveform__data_source_on_seek,
ma_waveform__data_source_on_get_data_format,
ma_waveform__data_source_on_get_cursor,
NULL,
NULL,
0
};
MA_API ma_result ma_waveform_init(const ma_waveform_config* pConfig, ma_waveform* pWaveform)
{
ma_result result;
ma_data_source_config dataSourceConfig;
if (pWaveform == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pWaveform);
dataSourceConfig = ma_data_source_config_init();
dataSourceConfig.vtable = &g_ma_waveform_data_source_vtable;
result = ma_data_source_init(&dataSourceConfig, &pWaveform->ds);
if (result != MA_SUCCESS) {
return result;
}
pWaveform->config = *pConfig;
pWaveform->advance = ma_waveform__calculate_advance(pWaveform->config.sampleRate, pWaveform->config.frequency);
pWaveform->time = 0;
return MA_SUCCESS;
}
MA_API void ma_waveform_uninit(ma_waveform* pWaveform)
{
if (pWaveform == NULL) {
return;
}
ma_data_source_uninit(&pWaveform->ds);
}
MA_API ma_result ma_waveform_set_amplitude(ma_waveform* pWaveform, double amplitude)
{
if (pWaveform == NULL) {
return MA_INVALID_ARGS;
}
pWaveform->config.amplitude = amplitude;
return MA_SUCCESS;
}
MA_API ma_result ma_waveform_set_frequency(ma_waveform* pWaveform, double frequency)
{
if (pWaveform == NULL) {
return MA_INVALID_ARGS;
}
pWaveform->config.frequency = frequency;
ma_waveform__update_advance(pWaveform);
return MA_SUCCESS;
}
MA_API ma_result ma_waveform_set_type(ma_waveform* pWaveform, ma_waveform_type type)
{
if (pWaveform == NULL) {
return MA_INVALID_ARGS;
}
pWaveform->config.type = type;
return MA_SUCCESS;
}
MA_API ma_result ma_waveform_set_sample_rate(ma_waveform* pWaveform, ma_uint32 sampleRate)
{
if (pWaveform == NULL) {
return MA_INVALID_ARGS;
}
pWaveform->config.sampleRate = sampleRate;
ma_waveform__update_advance(pWaveform);
return MA_SUCCESS;
}
static float ma_waveform_sine_f32(double time, double amplitude)
{
return (float)(ma_sind(MA_TAU_D * time) * amplitude);
}
static ma_int16 ma_waveform_sine_s16(double time, double amplitude)
{
return ma_pcm_sample_f32_to_s16(ma_waveform_sine_f32(time, amplitude));
}
static float ma_waveform_square_f32(double time, double dutyCycle, double amplitude)
{
double f = time - (ma_int64)time;
double r;
if (f < dutyCycle) {
r = amplitude;
} else {
r = -amplitude;
}
return (float)r;
}
static ma_int16 ma_waveform_square_s16(double time, double dutyCycle, double amplitude)
{
return ma_pcm_sample_f32_to_s16(ma_waveform_square_f32(time, dutyCycle, amplitude));
}
static float ma_waveform_triangle_f32(double time, double amplitude)
{
double f = time - (ma_int64)time;
double r;
r = 2 * ma_abs(2 * (f - 0.5)) - 1;
return (float)(r * amplitude);
}
static ma_int16 ma_waveform_triangle_s16(double time, double amplitude)
{
return ma_pcm_sample_f32_to_s16(ma_waveform_triangle_f32(time, amplitude));
}
static float ma_waveform_sawtooth_f32(double time, double amplitude)
{
double f = time - (ma_int64)time;
double r;
r = 2 * (f - 0.5);
return (float)(r * amplitude);
}
static ma_int16 ma_waveform_sawtooth_s16(double time, double amplitude)
{
return ma_pcm_sample_f32_to_s16(ma_waveform_sawtooth_f32(time, amplitude));
}
static void ma_waveform_read_pcm_frames__sine(ma_waveform* pWaveform, void* pFramesOut, ma_uint64 frameCount)
{
ma_uint64 iFrame;
ma_uint64 iChannel;
ma_uint32 bps = ma_get_bytes_per_sample(pWaveform->config.format);
ma_uint32 bpf = bps * pWaveform->config.channels;
MA_ASSERT(pWaveform != NULL);
MA_ASSERT(pFramesOut != NULL);
if (pWaveform->config.format == ma_format_f32) {
float* pFramesOutF32 = (float*)pFramesOut;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
float s = ma_waveform_sine_f32(pWaveform->time, pWaveform->config.amplitude);
pWaveform->time += pWaveform->advance;
for (iChannel = 0; iChannel < pWaveform->config.channels; iChannel += 1) {
pFramesOutF32[iFrame*pWaveform->config.channels + iChannel] = s;
}
}
} else if (pWaveform->config.format == ma_format_s16) {
ma_int16* pFramesOutS16 = (ma_int16*)pFramesOut;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
ma_int16 s = ma_waveform_sine_s16(pWaveform->time, pWaveform->config.amplitude);
pWaveform->time += pWaveform->advance;
for (iChannel = 0; iChannel < pWaveform->config.channels; iChannel += 1) {
pFramesOutS16[iFrame*pWaveform->config.channels + iChannel] = s;
}
}
} else {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
float s = ma_waveform_sine_f32(pWaveform->time, pWaveform->config.amplitude);
pWaveform->time += pWaveform->advance;
for (iChannel = 0; iChannel < pWaveform->config.channels; iChannel += 1) {
ma_pcm_convert(ma_offset_ptr(pFramesOut, iFrame*bpf + iChannel*bps), pWaveform->config.format, &s, ma_format_f32, 1, ma_dither_mode_none);
}
}
}
}
static void ma_waveform_read_pcm_frames__square(ma_waveform* pWaveform, double dutyCycle, void* pFramesOut, ma_uint64 frameCount)
{
ma_uint64 iFrame;
ma_uint64 iChannel;
ma_uint32 bps = ma_get_bytes_per_sample(pWaveform->config.format);
ma_uint32 bpf = bps * pWaveform->config.channels;
MA_ASSERT(pWaveform != NULL);
MA_ASSERT(pFramesOut != NULL);
if (pWaveform->config.format == ma_format_f32) {
float* pFramesOutF32 = (float*)pFramesOut;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
float s = ma_waveform_square_f32(pWaveform->time, dutyCycle, pWaveform->config.amplitude);
pWaveform->time += pWaveform->advance;
for (iChannel = 0; iChannel < pWaveform->config.channels; iChannel += 1) {
pFramesOutF32[iFrame*pWaveform->config.channels + iChannel] = s;
}
}
} else if (pWaveform->config.format == ma_format_s16) {
ma_int16* pFramesOutS16 = (ma_int16*)pFramesOut;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
ma_int16 s = ma_waveform_square_s16(pWaveform->time, dutyCycle, pWaveform->config.amplitude);
pWaveform->time += pWaveform->advance;
for (iChannel = 0; iChannel < pWaveform->config.channels; iChannel += 1) {
pFramesOutS16[iFrame*pWaveform->config.channels + iChannel] = s;
}
}
} else {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
float s = ma_waveform_square_f32(pWaveform->time, dutyCycle, pWaveform->config.amplitude);
pWaveform->time += pWaveform->advance;
for (iChannel = 0; iChannel < pWaveform->config.channels; iChannel += 1) {
ma_pcm_convert(ma_offset_ptr(pFramesOut, iFrame*bpf + iChannel*bps), pWaveform->config.format, &s, ma_format_f32, 1, ma_dither_mode_none);
}
}
}
}
static void ma_waveform_read_pcm_frames__triangle(ma_waveform* pWaveform, void* pFramesOut, ma_uint64 frameCount)
{
ma_uint64 iFrame;
ma_uint64 iChannel;
ma_uint32 bps = ma_get_bytes_per_sample(pWaveform->config.format);
ma_uint32 bpf = bps * pWaveform->config.channels;
MA_ASSERT(pWaveform != NULL);
MA_ASSERT(pFramesOut != NULL);
if (pWaveform->config.format == ma_format_f32) {
float* pFramesOutF32 = (float*)pFramesOut;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
float s = ma_waveform_triangle_f32(pWaveform->time, pWaveform->config.amplitude);
pWaveform->time += pWaveform->advance;
for (iChannel = 0; iChannel < pWaveform->config.channels; iChannel += 1) {
pFramesOutF32[iFrame*pWaveform->config.channels + iChannel] = s;
}
}
} else if (pWaveform->config.format == ma_format_s16) {
ma_int16* pFramesOutS16 = (ma_int16*)pFramesOut;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
ma_int16 s = ma_waveform_triangle_s16(pWaveform->time, pWaveform->config.amplitude);
pWaveform->time += pWaveform->advance;
for (iChannel = 0; iChannel < pWaveform->config.channels; iChannel += 1) {
pFramesOutS16[iFrame*pWaveform->config.channels + iChannel] = s;
}
}
} else {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
float s = ma_waveform_triangle_f32(pWaveform->time, pWaveform->config.amplitude);
pWaveform->time += pWaveform->advance;
for (iChannel = 0; iChannel < pWaveform->config.channels; iChannel += 1) {
ma_pcm_convert(ma_offset_ptr(pFramesOut, iFrame*bpf + iChannel*bps), pWaveform->config.format, &s, ma_format_f32, 1, ma_dither_mode_none);
}
}
}
}
static void ma_waveform_read_pcm_frames__sawtooth(ma_waveform* pWaveform, void* pFramesOut, ma_uint64 frameCount)
{
ma_uint64 iFrame;
ma_uint64 iChannel;
ma_uint32 bps = ma_get_bytes_per_sample(pWaveform->config.format);
ma_uint32 bpf = bps * pWaveform->config.channels;
MA_ASSERT(pWaveform != NULL);
MA_ASSERT(pFramesOut != NULL);
if (pWaveform->config.format == ma_format_f32) {
float* pFramesOutF32 = (float*)pFramesOut;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
float s = ma_waveform_sawtooth_f32(pWaveform->time, pWaveform->config.amplitude);
pWaveform->time += pWaveform->advance;
for (iChannel = 0; iChannel < pWaveform->config.channels; iChannel += 1) {
pFramesOutF32[iFrame*pWaveform->config.channels + iChannel] = s;
}
}
} else if (pWaveform->config.format == ma_format_s16) {
ma_int16* pFramesOutS16 = (ma_int16*)pFramesOut;
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
ma_int16 s = ma_waveform_sawtooth_s16(pWaveform->time, pWaveform->config.amplitude);
pWaveform->time += pWaveform->advance;
for (iChannel = 0; iChannel < pWaveform->config.channels; iChannel += 1) {
pFramesOutS16[iFrame*pWaveform->config.channels + iChannel] = s;
}
}
} else {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
float s = ma_waveform_sawtooth_f32(pWaveform->time, pWaveform->config.amplitude);
pWaveform->time += pWaveform->advance;
for (iChannel = 0; iChannel < pWaveform->config.channels; iChannel += 1) {
ma_pcm_convert(ma_offset_ptr(pFramesOut, iFrame*bpf + iChannel*bps), pWaveform->config.format, &s, ma_format_f32, 1, ma_dither_mode_none);
}
}
}
}
MA_API ma_result ma_waveform_read_pcm_frames(ma_waveform* pWaveform, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
{
if (pFramesRead != NULL) {
*pFramesRead = 0;
}
if (frameCount == 0) {
return MA_INVALID_ARGS;
}
if (pWaveform == NULL) {
return MA_INVALID_ARGS;
}
if (pFramesOut != NULL) {
switch (pWaveform->config.type)
{
case ma_waveform_type_sine:
{
ma_waveform_read_pcm_frames__sine(pWaveform, pFramesOut, frameCount);
} break;
case ma_waveform_type_square:
{
ma_waveform_read_pcm_frames__square(pWaveform, 0.5, pFramesOut, frameCount);
} break;
case ma_waveform_type_triangle:
{
ma_waveform_read_pcm_frames__triangle(pWaveform, pFramesOut, frameCount);
} break;
case ma_waveform_type_sawtooth:
{
ma_waveform_read_pcm_frames__sawtooth(pWaveform, pFramesOut, frameCount);
} break;
default: return MA_INVALID_OPERATION;
}
} else {
pWaveform->time += pWaveform->advance * (ma_int64)frameCount;
}
if (pFramesRead != NULL) {
*pFramesRead = frameCount;
}
return MA_SUCCESS;
}
MA_API ma_result ma_waveform_seek_to_pcm_frame(ma_waveform* pWaveform, ma_uint64 frameIndex)
{
if (pWaveform == NULL) {
return MA_INVALID_ARGS;
}
pWaveform->time = pWaveform->advance * (ma_int64)frameIndex;
return MA_SUCCESS;
}
MA_API ma_pulsewave_config ma_pulsewave_config_init(ma_format format, ma_uint32 channels, ma_uint32 sampleRate, double dutyCycle, double amplitude, double frequency)
{
ma_pulsewave_config config;
MA_ZERO_OBJECT(&config);
config.format = format;
config.channels = channels;
config.sampleRate = sampleRate;
config.dutyCycle = dutyCycle;
config.amplitude = amplitude;
config.frequency = frequency;
return config;
}
MA_API ma_result ma_pulsewave_init(const ma_pulsewave_config* pConfig, ma_pulsewave* pWaveform)
{
ma_result result;
ma_waveform_config config;
if (pWaveform == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pWaveform);
config = ma_waveform_config_init(
pConfig->format,
pConfig->channels,
pConfig->sampleRate,
ma_waveform_type_square,
pConfig->amplitude,
pConfig->frequency
);
result = ma_waveform_init(&config, &pWaveform->waveform);
ma_pulsewave_set_duty_cycle(pWaveform, pConfig->dutyCycle);
return result;
}
MA_API void ma_pulsewave_uninit(ma_pulsewave* pWaveform)
{
if (pWaveform == NULL) {
return;
}
ma_waveform_uninit(&pWaveform->waveform);
}
MA_API ma_result ma_pulsewave_read_pcm_frames(ma_pulsewave* pWaveform, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
{
if (pFramesRead != NULL) {
*pFramesRead = 0;
}
if (frameCount == 0) {
return MA_INVALID_ARGS;
}
if (pWaveform == NULL) {
return MA_INVALID_ARGS;
}
if (pFramesOut != NULL) {
ma_waveform_read_pcm_frames__square(&pWaveform->waveform, pWaveform->config.dutyCycle, pFramesOut, frameCount);
} else {
pWaveform->waveform.time += pWaveform->waveform.advance * (ma_int64)frameCount;
}
if (pFramesRead != NULL) {
*pFramesRead = frameCount;
}
return MA_SUCCESS;
}
MA_API ma_result ma_pulsewave_seek_to_pcm_frame(ma_pulsewave* pWaveform, ma_uint64 frameIndex)
{
if (pWaveform == NULL) {
return MA_INVALID_ARGS;
}
ma_waveform_seek_to_pcm_frame(&pWaveform->waveform, frameIndex);
return MA_SUCCESS;
}
MA_API ma_result ma_pulsewave_set_amplitude(ma_pulsewave* pWaveform, double amplitude)
{
if (pWaveform == NULL) {
return MA_INVALID_ARGS;
}
pWaveform->config.amplitude = amplitude;
ma_waveform_set_amplitude(&pWaveform->waveform, amplitude);
return MA_SUCCESS;
}
MA_API ma_result ma_pulsewave_set_frequency(ma_pulsewave* pWaveform, double frequency)
{
if (pWaveform == NULL) {
return MA_INVALID_ARGS;
}
pWaveform->config.frequency = frequency;
ma_waveform_set_frequency(&pWaveform->waveform, frequency);
return MA_SUCCESS;
}
MA_API ma_result ma_pulsewave_set_sample_rate(ma_pulsewave* pWaveform, ma_uint32 sampleRate)
{
if (pWaveform == NULL) {
return MA_INVALID_ARGS;
}
pWaveform->config.sampleRate = sampleRate;
ma_waveform_set_sample_rate(&pWaveform->waveform, sampleRate);
return MA_SUCCESS;
}
MA_API ma_result ma_pulsewave_set_duty_cycle(ma_pulsewave* pWaveform, double dutyCycle)
{
if (pWaveform == NULL) {
return MA_INVALID_ARGS;
}
pWaveform->config.dutyCycle = dutyCycle;
return MA_SUCCESS;
}
MA_API ma_noise_config ma_noise_config_init(ma_format format, ma_uint32 channels, ma_noise_type type, ma_int32 seed, double amplitude)
{
ma_noise_config config;
MA_ZERO_OBJECT(&config);
config.format = format;
config.channels = channels;
config.type = type;
config.seed = seed;
config.amplitude = amplitude;
if (config.seed == 0) {
config.seed = MA_DEFAULT_LCG_SEED;
}
return config;
}
static ma_result ma_noise__data_source_on_read(ma_data_source* pDataSource, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
{
return ma_noise_read_pcm_frames((ma_noise*)pDataSource, pFramesOut, frameCount, pFramesRead);
}
static ma_result ma_noise__data_source_on_seek(ma_data_source* pDataSource, ma_uint64 frameIndex)
{
(void)pDataSource;
(void)frameIndex;
return MA_SUCCESS;
}
static ma_result ma_noise__data_source_on_get_data_format(ma_data_source* pDataSource, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap)
{
ma_noise* pNoise = (ma_noise*)pDataSource;
*pFormat = pNoise->config.format;
*pChannels = pNoise->config.channels;
*pSampleRate = 0;
ma_channel_map_init_standard(ma_standard_channel_map_default, pChannelMap, channelMapCap, pNoise->config.channels);
return MA_SUCCESS;
}
static ma_data_source_vtable g_ma_noise_data_source_vtable =
{
ma_noise__data_source_on_read,
ma_noise__data_source_on_seek,
ma_noise__data_source_on_get_data_format,
NULL,
NULL,
NULL,
0
};
#ifndef MA_PINK_NOISE_BIN_SIZE
#define MA_PINK_NOISE_BIN_SIZE 16
#endif
typedef struct
{
size_t sizeInBytes;
struct
{
size_t binOffset;
size_t accumulationOffset;
size_t counterOffset;
} pink;
struct
{
size_t accumulationOffset;
} brownian;
} ma_noise_heap_layout;
static ma_result ma_noise_get_heap_layout(const ma_noise_config* pConfig, ma_noise_heap_layout* pHeapLayout)
{
MA_ASSERT(pHeapLayout != NULL);
MA_ZERO_OBJECT(pHeapLayout);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->channels == 0) {
return MA_INVALID_ARGS;
}
pHeapLayout->sizeInBytes = 0;
if (pConfig->type == ma_noise_type_pink) {
pHeapLayout->pink.binOffset = pHeapLayout->sizeInBytes;
pHeapLayout->sizeInBytes += sizeof(double*) * pConfig->channels;
pHeapLayout->sizeInBytes += sizeof(double ) * pConfig->channels * MA_PINK_NOISE_BIN_SIZE;
pHeapLayout->pink.accumulationOffset = pHeapLayout->sizeInBytes;
pHeapLayout->sizeInBytes += sizeof(double) * pConfig->channels;
pHeapLayout->pink.counterOffset = pHeapLayout->sizeInBytes;
pHeapLayout->sizeInBytes += sizeof(ma_uint32) * pConfig->channels;
}
if (pConfig->type == ma_noise_type_brownian) {
pHeapLayout->brownian.accumulationOffset = pHeapLayout->sizeInBytes;
pHeapLayout->sizeInBytes += sizeof(double) * pConfig->channels;
}
pHeapLayout->sizeInBytes = ma_align_64(pHeapLayout->sizeInBytes);
return MA_SUCCESS;
}
MA_API ma_result ma_noise_get_heap_size(const ma_noise_config* pConfig, size_t* pHeapSizeInBytes)
{
ma_result result;
ma_noise_heap_layout heapLayout;
if (pHeapSizeInBytes == NULL) {
return MA_INVALID_ARGS;
}
*pHeapSizeInBytes = 0;
result = ma_noise_get_heap_layout(pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return result;
}
*pHeapSizeInBytes = heapLayout.sizeInBytes;
return MA_SUCCESS;
}
MA_API ma_result ma_noise_init_preallocated(const ma_noise_config* pConfig, void* pHeap, ma_noise* pNoise)
{
ma_result result;
ma_noise_heap_layout heapLayout;
ma_data_source_config dataSourceConfig;
ma_uint32 iChannel;
if (pNoise == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pNoise);
result = ma_noise_get_heap_layout(pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return result;
}
pNoise->_pHeap = pHeap;
MA_ZERO_MEMORY(pNoise->_pHeap, heapLayout.sizeInBytes);
dataSourceConfig = ma_data_source_config_init();
dataSourceConfig.vtable = &g_ma_noise_data_source_vtable;
result = ma_data_source_init(&dataSourceConfig, &pNoise->ds);
if (result != MA_SUCCESS) {
return result;
}
pNoise->config = *pConfig;
ma_lcg_seed(&pNoise->lcg, pConfig->seed);
if (pNoise->config.type == ma_noise_type_pink) {
pNoise->state.pink.bin = (double** )ma_offset_ptr(pHeap, heapLayout.pink.binOffset);
pNoise->state.pink.accumulation = (double* )ma_offset_ptr(pHeap, heapLayout.pink.accumulationOffset);
pNoise->state.pink.counter = (ma_uint32*)ma_offset_ptr(pHeap, heapLayout.pink.counterOffset);
for (iChannel = 0; iChannel < pConfig->channels; iChannel += 1) {
pNoise->state.pink.bin[iChannel] = (double*)ma_offset_ptr(pHeap, heapLayout.pink.binOffset + (sizeof(double*) * pConfig->channels) + (sizeof(double) * MA_PINK_NOISE_BIN_SIZE * iChannel));
pNoise->state.pink.accumulation[iChannel] = 0;
pNoise->state.pink.counter[iChannel] = 1;
}
}
if (pNoise->config.type == ma_noise_type_brownian) {
pNoise->state.brownian.accumulation = (double*)ma_offset_ptr(pHeap, heapLayout.brownian.accumulationOffset);
for (iChannel = 0; iChannel < pConfig->channels; iChannel += 1) {
pNoise->state.brownian.accumulation[iChannel] = 0;
}
}
return MA_SUCCESS;
}
MA_API ma_result ma_noise_init(const ma_noise_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_noise* pNoise)
{
ma_result result;
size_t heapSizeInBytes;
void* pHeap;
result = ma_noise_get_heap_size(pConfig, &heapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
if (heapSizeInBytes > 0) {
pHeap = ma_malloc(heapSizeInBytes, pAllocationCallbacks);
if (pHeap == NULL) {
return MA_OUT_OF_MEMORY;
}
} else {
pHeap = NULL;
}
result = ma_noise_init_preallocated(pConfig, pHeap, pNoise);
if (result != MA_SUCCESS) {
ma_free(pHeap, pAllocationCallbacks);
return result;
}
pNoise->_ownsHeap = MA_TRUE;
return MA_SUCCESS;
}
MA_API void ma_noise_uninit(ma_noise* pNoise, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pNoise == NULL) {
return;
}
ma_data_source_uninit(&pNoise->ds);
if (pNoise->_ownsHeap) {
ma_free(pNoise->_pHeap, pAllocationCallbacks);
}
}
MA_API ma_result ma_noise_set_amplitude(ma_noise* pNoise, double amplitude)
{
if (pNoise == NULL) {
return MA_INVALID_ARGS;
}
pNoise->config.amplitude = amplitude;
return MA_SUCCESS;
}
MA_API ma_result ma_noise_set_seed(ma_noise* pNoise, ma_int32 seed)
{
if (pNoise == NULL) {
return MA_INVALID_ARGS;
}
pNoise->lcg.state = seed;
return MA_SUCCESS;
}
MA_API ma_result ma_noise_set_type(ma_noise* pNoise, ma_noise_type type)
{
if (pNoise == NULL) {
return MA_INVALID_ARGS;
}
MA_ASSERT(MA_FALSE);
(void)type;
return MA_INVALID_OPERATION;
}
static MA_INLINE float ma_noise_f32_white(ma_noise* pNoise)
{
return (float)(ma_lcg_rand_f64(&pNoise->lcg) * pNoise->config.amplitude);
}
static MA_INLINE ma_int16 ma_noise_s16_white(ma_noise* pNoise)
{
return ma_pcm_sample_f32_to_s16(ma_noise_f32_white(pNoise));
}
static MA_INLINE ma_uint64 ma_noise_read_pcm_frames__white(ma_noise* pNoise, void* pFramesOut, ma_uint64 frameCount)
{
ma_uint64 iFrame;
ma_uint32 iChannel;
const ma_uint32 channels = pNoise->config.channels;
MA_ASSUME(channels > 0);
if (pNoise->config.format == ma_format_f32) {
float* pFramesOutF32 = (float*)pFramesOut;
if (pNoise->config.duplicateChannels) {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
float s = ma_noise_f32_white(pNoise);
for (iChannel = 0; iChannel < channels; iChannel += 1) {
pFramesOutF32[iFrame*channels + iChannel] = s;
}
}
} else {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
for (iChannel = 0; iChannel < channels; iChannel += 1) {
pFramesOutF32[iFrame*channels + iChannel] = ma_noise_f32_white(pNoise);
}
}
}
} else if (pNoise->config.format == ma_format_s16) {
ma_int16* pFramesOutS16 = (ma_int16*)pFramesOut;
if (pNoise->config.duplicateChannels) {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
ma_int16 s = ma_noise_s16_white(pNoise);
for (iChannel = 0; iChannel < channels; iChannel += 1) {
pFramesOutS16[iFrame*channels + iChannel] = s;
}
}
} else {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
for (iChannel = 0; iChannel < channels; iChannel += 1) {
pFramesOutS16[iFrame*channels + iChannel] = ma_noise_s16_white(pNoise);
}
}
}
} else {
const ma_uint32 bps = ma_get_bytes_per_sample(pNoise->config.format);
const ma_uint32 bpf = bps * channels;
if (pNoise->config.duplicateChannels) {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
float s = ma_noise_f32_white(pNoise);
for (iChannel = 0; iChannel < channels; iChannel += 1) {
ma_pcm_convert(ma_offset_ptr(pFramesOut, iFrame*bpf + iChannel*bps), pNoise->config.format, &s, ma_format_f32, 1, ma_dither_mode_none);
}
}
} else {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
for (iChannel = 0; iChannel < channels; iChannel += 1) {
float s = ma_noise_f32_white(pNoise);
ma_pcm_convert(ma_offset_ptr(pFramesOut, iFrame*bpf + iChannel*bps), pNoise->config.format, &s, ma_format_f32, 1, ma_dither_mode_none);
}
}
}
}
return frameCount;
}
static MA_INLINE unsigned int ma_tzcnt32(unsigned int x)
{
unsigned int n;
if (x & 0x1) {
return 0;
}
if (x == 0) {
return sizeof(x) << 3;
}
n = 1;
if ((x & 0x0000FFFF) == 0) { x >>= 16; n += 16; }
if ((x & 0x000000FF) == 0) { x >>= 8; n += 8; }
if ((x & 0x0000000F) == 0) { x >>= 4; n += 4; }
if ((x & 0x00000003) == 0) { x >>= 2; n += 2; }
n -= x & 0x00000001;
return n;
}
static MA_INLINE float ma_noise_f32_pink(ma_noise* pNoise, ma_uint32 iChannel)
{
double result;
double binPrev;
double binNext;
unsigned int ibin;
ibin = ma_tzcnt32(pNoise->state.pink.counter[iChannel]) & (MA_PINK_NOISE_BIN_SIZE - 1);
binPrev = pNoise->state.pink.bin[iChannel][ibin];
binNext = ma_lcg_rand_f64(&pNoise->lcg);
pNoise->state.pink.bin[iChannel][ibin] = binNext;
pNoise->state.pink.accumulation[iChannel] += (binNext - binPrev);
pNoise->state.pink.counter[iChannel] += 1;
result = (ma_lcg_rand_f64(&pNoise->lcg) + pNoise->state.pink.accumulation[iChannel]);
result /= 10;
return (float)(result * pNoise->config.amplitude);
}
static MA_INLINE ma_int16 ma_noise_s16_pink(ma_noise* pNoise, ma_uint32 iChannel)
{
return ma_pcm_sample_f32_to_s16(ma_noise_f32_pink(pNoise, iChannel));
}
static MA_INLINE ma_uint64 ma_noise_read_pcm_frames__pink(ma_noise* pNoise, void* pFramesOut, ma_uint64 frameCount)
{
ma_uint64 iFrame;
ma_uint32 iChannel;
const ma_uint32 channels = pNoise->config.channels;
MA_ASSUME(channels > 0);
if (pNoise->config.format == ma_format_f32) {
float* pFramesOutF32 = (float*)pFramesOut;
if (pNoise->config.duplicateChannels) {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
float s = ma_noise_f32_pink(pNoise, 0);
for (iChannel = 0; iChannel < channels; iChannel += 1) {
pFramesOutF32[iFrame*channels + iChannel] = s;
}
}
} else {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
for (iChannel = 0; iChannel < channels; iChannel += 1) {
pFramesOutF32[iFrame*channels + iChannel] = ma_noise_f32_pink(pNoise, iChannel);
}
}
}
} else if (pNoise->config.format == ma_format_s16) {
ma_int16* pFramesOutS16 = (ma_int16*)pFramesOut;
if (pNoise->config.duplicateChannels) {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
ma_int16 s = ma_noise_s16_pink(pNoise, 0);
for (iChannel = 0; iChannel < channels; iChannel += 1) {
pFramesOutS16[iFrame*channels + iChannel] = s;
}
}
} else {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
for (iChannel = 0; iChannel < channels; iChannel += 1) {
pFramesOutS16[iFrame*channels + iChannel] = ma_noise_s16_pink(pNoise, iChannel);
}
}
}
} else {
const ma_uint32 bps = ma_get_bytes_per_sample(pNoise->config.format);
const ma_uint32 bpf = bps * channels;
if (pNoise->config.duplicateChannels) {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
float s = ma_noise_f32_pink(pNoise, 0);
for (iChannel = 0; iChannel < channels; iChannel += 1) {
ma_pcm_convert(ma_offset_ptr(pFramesOut, iFrame*bpf + iChannel*bps), pNoise->config.format, &s, ma_format_f32, 1, ma_dither_mode_none);
}
}
} else {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
for (iChannel = 0; iChannel < channels; iChannel += 1) {
float s = ma_noise_f32_pink(pNoise, iChannel);
ma_pcm_convert(ma_offset_ptr(pFramesOut, iFrame*bpf + iChannel*bps), pNoise->config.format, &s, ma_format_f32, 1, ma_dither_mode_none);
}
}
}
}
return frameCount;
}
static MA_INLINE float ma_noise_f32_brownian(ma_noise* pNoise, ma_uint32 iChannel)
{
double result;
result = (ma_lcg_rand_f64(&pNoise->lcg) + pNoise->state.brownian.accumulation[iChannel]);
result /= 1.005;
pNoise->state.brownian.accumulation[iChannel] = result;
result /= 20;
return (float)(result * pNoise->config.amplitude);
}
static MA_INLINE ma_int16 ma_noise_s16_brownian(ma_noise* pNoise, ma_uint32 iChannel)
{
return ma_pcm_sample_f32_to_s16(ma_noise_f32_brownian(pNoise, iChannel));
}
static MA_INLINE ma_uint64 ma_noise_read_pcm_frames__brownian(ma_noise* pNoise, void* pFramesOut, ma_uint64 frameCount)
{
ma_uint64 iFrame;
ma_uint32 iChannel;
const ma_uint32 channels = pNoise->config.channels;
MA_ASSUME(channels > 0);
if (pNoise->config.format == ma_format_f32) {
float* pFramesOutF32 = (float*)pFramesOut;
if (pNoise->config.duplicateChannels) {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
float s = ma_noise_f32_brownian(pNoise, 0);
for (iChannel = 0; iChannel < channels; iChannel += 1) {
pFramesOutF32[iFrame*channels + iChannel] = s;
}
}
} else {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
for (iChannel = 0; iChannel < channels; iChannel += 1) {
pFramesOutF32[iFrame*channels + iChannel] = ma_noise_f32_brownian(pNoise, iChannel);
}
}
}
} else if (pNoise->config.format == ma_format_s16) {
ma_int16* pFramesOutS16 = (ma_int16*)pFramesOut;
if (pNoise->config.duplicateChannels) {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
ma_int16 s = ma_noise_s16_brownian(pNoise, 0);
for (iChannel = 0; iChannel < channels; iChannel += 1) {
pFramesOutS16[iFrame*channels + iChannel] = s;
}
}
} else {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
for (iChannel = 0; iChannel < channels; iChannel += 1) {
pFramesOutS16[iFrame*channels + iChannel] = ma_noise_s16_brownian(pNoise, iChannel);
}
}
}
} else {
const ma_uint32 bps = ma_get_bytes_per_sample(pNoise->config.format);
const ma_uint32 bpf = bps * channels;
if (pNoise->config.duplicateChannels) {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
float s = ma_noise_f32_brownian(pNoise, 0);
for (iChannel = 0; iChannel < channels; iChannel += 1) {
ma_pcm_convert(ma_offset_ptr(pFramesOut, iFrame*bpf + iChannel*bps), pNoise->config.format, &s, ma_format_f32, 1, ma_dither_mode_none);
}
}
} else {
for (iFrame = 0; iFrame < frameCount; iFrame += 1) {
for (iChannel = 0; iChannel < channels; iChannel += 1) {
float s = ma_noise_f32_brownian(pNoise, iChannel);
ma_pcm_convert(ma_offset_ptr(pFramesOut, iFrame*bpf + iChannel*bps), pNoise->config.format, &s, ma_format_f32, 1, ma_dither_mode_none);
}
}
}
}
return frameCount;
}
MA_API ma_result ma_noise_read_pcm_frames(ma_noise* pNoise, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
{
ma_uint64 framesRead = 0;
if (pFramesRead != NULL) {
*pFramesRead = 0;
}
if (frameCount == 0) {
return MA_INVALID_ARGS;
}
if (pNoise == NULL) {
return MA_INVALID_ARGS;
}
if (pFramesOut == NULL) {
framesRead = frameCount;
} else {
switch (pNoise->config.type) {
case ma_noise_type_white: framesRead = ma_noise_read_pcm_frames__white (pNoise, pFramesOut, frameCount); break;
case ma_noise_type_pink: framesRead = ma_noise_read_pcm_frames__pink (pNoise, pFramesOut, frameCount); break;
case ma_noise_type_brownian: framesRead = ma_noise_read_pcm_frames__brownian(pNoise, pFramesOut, frameCount); break;
default: return MA_INVALID_OPERATION;
}
}
if (pFramesRead != NULL) {
*pFramesRead = framesRead;
}
return MA_SUCCESS;
}
#endif
#ifndef MA_NO_RESOURCE_MANAGER
#ifndef MA_RESOURCE_MANAGER_PAGE_SIZE_IN_MILLISECONDS
#define MA_RESOURCE_MANAGER_PAGE_SIZE_IN_MILLISECONDS 1000
#endif
#ifndef MA_JOB_TYPE_RESOURCE_MANAGER_QUEUE_CAPACITY
#define MA_JOB_TYPE_RESOURCE_MANAGER_QUEUE_CAPACITY 1024
#endif
MA_API ma_resource_manager_pipeline_notifications ma_resource_manager_pipeline_notifications_init(void)
{
ma_resource_manager_pipeline_notifications notifications;
MA_ZERO_OBJECT(&notifications);
return notifications;
}
static void ma_resource_manager_pipeline_notifications_signal_all_notifications(const ma_resource_manager_pipeline_notifications* pPipelineNotifications)
{
if (pPipelineNotifications == NULL) {
return;
}
if (pPipelineNotifications->init.pNotification) { ma_async_notification_signal(pPipelineNotifications->init.pNotification); }
if (pPipelineNotifications->done.pNotification) { ma_async_notification_signal(pPipelineNotifications->done.pNotification); }
}
static void ma_resource_manager_pipeline_notifications_acquire_all_fences(const ma_resource_manager_pipeline_notifications* pPipelineNotifications)
{
if (pPipelineNotifications == NULL) {
return;
}
if (pPipelineNotifications->init.pFence != NULL) { ma_fence_acquire(pPipelineNotifications->init.pFence); }
if (pPipelineNotifications->done.pFence != NULL) { ma_fence_acquire(pPipelineNotifications->done.pFence); }
}
static void ma_resource_manager_pipeline_notifications_release_all_fences(const ma_resource_manager_pipeline_notifications* pPipelineNotifications)
{
if (pPipelineNotifications == NULL) {
return;
}
if (pPipelineNotifications->init.pFence != NULL) { ma_fence_release(pPipelineNotifications->init.pFence); }
if (pPipelineNotifications->done.pFence != NULL) { ma_fence_release(pPipelineNotifications->done.pFence); }
}
#ifndef MA_DEFAULT_HASH_SEED
#define MA_DEFAULT_HASH_SEED 42
#endif
#if defined(__clang__) || (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)))
#pragma GCC diagnostic push
#if __GNUC__ >= 7
#pragma GCC diagnostic ignored "-Wimplicit-fallthrough"
#endif
#endif
static MA_INLINE ma_uint32 ma_rotl32(ma_uint32 x, ma_int8 r)
{
return (x << r) | (x >> (32 - r));
}
static MA_INLINE ma_uint32 ma_hash_getblock(const ma_uint32* blocks, int i)
{
ma_uint32 block;
MA_COPY_MEMORY(&block, ma_offset_ptr(blocks, i * (int) sizeof(block)), sizeof(block));
if (ma_is_little_endian()) {
return block;
} else {
return ma_swap_endian_uint32(block);
}
}
static MA_INLINE ma_uint32 ma_hash_fmix32(ma_uint32 h)
{
h ^= h >> 16;
h *= 0x85ebca6b;
h ^= h >> 13;
h *= 0xc2b2ae35;
h ^= h >> 16;
return h;
}
static ma_uint32 ma_hash_32(const void* key, int len, ma_uint32 seed)
{
const ma_uint8* data = (const ma_uint8*)key;
const ma_uint32* blocks;
const ma_uint8* tail;
const int nblocks = len / 4;
ma_uint32 h1 = seed;
ma_uint32 c1 = 0xcc9e2d51;
ma_uint32 c2 = 0x1b873593;
ma_uint32 k1;
int i;
blocks = (const ma_uint32 *)(data + nblocks*4);
for(i = -nblocks; i; i++) {
k1 = ma_hash_getblock(blocks,i);
k1 *= c1;
k1 = ma_rotl32(k1, 15);
k1 *= c2;
h1 ^= k1;
h1 = ma_rotl32(h1, 13);
h1 = h1*5 + 0xe6546b64;
}
tail = (const ma_uint8*)(data + nblocks*4);
k1 = 0;
switch(len & 3) {
case 3: k1 ^= tail[2] << 16;
case 2: k1 ^= tail[1] << 8;
case 1: k1 ^= tail[0];
k1 *= c1; k1 = ma_rotl32(k1, 15); k1 *= c2; h1 ^= k1;
};
h1 ^= len;
h1 = ma_hash_fmix32(h1);
return h1;
}
#if defined(__clang__) || (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)))
#pragma GCC diagnostic push
#endif
static ma_uint32 ma_hash_string_32(const char* str)
{
return ma_hash_32(str, (int)strlen(str), MA_DEFAULT_HASH_SEED);
}
static ma_uint32 ma_hash_string_w_32(const wchar_t* str)
{
return ma_hash_32(str, (int)ma_wcslen(str) * sizeof(*str), MA_DEFAULT_HASH_SEED);
}
static ma_result ma_resource_manager_data_buffer_node_search(ma_resource_manager* pResourceManager, ma_uint32 hashedName32, ma_resource_manager_data_buffer_node** ppDataBufferNode)
{
ma_resource_manager_data_buffer_node* pCurrentNode;
MA_ASSERT(pResourceManager != NULL);
MA_ASSERT(ppDataBufferNode != NULL);
pCurrentNode = pResourceManager->pRootDataBufferNode;
while (pCurrentNode != NULL) {
if (hashedName32 == pCurrentNode->hashedName32) {
break;
} else if (hashedName32 < pCurrentNode->hashedName32) {
pCurrentNode = pCurrentNode->pChildLo;
} else {
pCurrentNode = pCurrentNode->pChildHi;
}
}
*ppDataBufferNode = pCurrentNode;
if (pCurrentNode == NULL) {
return MA_DOES_NOT_EXIST;
} else {
return MA_SUCCESS;
}
}
static ma_result ma_resource_manager_data_buffer_node_insert_point(ma_resource_manager* pResourceManager, ma_uint32 hashedName32, ma_resource_manager_data_buffer_node** ppInsertPoint)
{
ma_result result = MA_SUCCESS;
ma_resource_manager_data_buffer_node* pCurrentNode;
MA_ASSERT(pResourceManager != NULL);
MA_ASSERT(ppInsertPoint != NULL);
*ppInsertPoint = NULL;
if (pResourceManager->pRootDataBufferNode == NULL) {
return MA_SUCCESS;
}
pCurrentNode = pResourceManager->pRootDataBufferNode;
while (pCurrentNode != NULL) {
if (hashedName32 == pCurrentNode->hashedName32) {
result = MA_ALREADY_EXISTS;
break;
} else {
if (hashedName32 < pCurrentNode->hashedName32) {
if (pCurrentNode->pChildLo == NULL) {
result = MA_SUCCESS;
break;
} else {
pCurrentNode = pCurrentNode->pChildLo;
}
} else {
if (pCurrentNode->pChildHi == NULL) {
result = MA_SUCCESS;
break;
} else {
pCurrentNode = pCurrentNode->pChildHi;
}
}
}
}
*ppInsertPoint = pCurrentNode;
return result;
}
static ma_result ma_resource_manager_data_buffer_node_insert_at(ma_resource_manager* pResourceManager, ma_resource_manager_data_buffer_node* pDataBufferNode, ma_resource_manager_data_buffer_node* pInsertPoint)
{
MA_ASSERT(pResourceManager != NULL);
MA_ASSERT(pDataBufferNode != NULL);
MA_ASSERT(pDataBufferNode->hashedName32 != 0);
if (pInsertPoint == NULL) {
pResourceManager->pRootDataBufferNode = pDataBufferNode;
} else {
if (pDataBufferNode->hashedName32 < pInsertPoint->hashedName32) {
MA_ASSERT(pInsertPoint->pChildLo == NULL);
pInsertPoint->pChildLo = pDataBufferNode;
} else {
MA_ASSERT(pInsertPoint->pChildHi == NULL);
pInsertPoint->pChildHi = pDataBufferNode;
}
}
pDataBufferNode->pParent = pInsertPoint;
return MA_SUCCESS;
}
#if 0
static ma_result ma_resource_manager_data_buffer_node_insert(ma_resource_manager* pResourceManager, ma_resource_manager_data_buffer_node* pDataBufferNode)
{
ma_result result;
ma_resource_manager_data_buffer_node* pInsertPoint;
MA_ASSERT(pResourceManager != NULL);
MA_ASSERT(pDataBufferNode != NULL);
result = ma_resource_manager_data_buffer_node_insert_point(pResourceManager, pDataBufferNode->hashedName32, &pInsertPoint);
if (result != MA_SUCCESS) {
return MA_INVALID_ARGS;
}
return ma_resource_manager_data_buffer_node_insert_at(pResourceManager, pDataBufferNode, pInsertPoint);
}
#endif
static MA_INLINE ma_resource_manager_data_buffer_node* ma_resource_manager_data_buffer_node_find_min(ma_resource_manager_data_buffer_node* pDataBufferNode)
{
ma_resource_manager_data_buffer_node* pCurrentNode;
MA_ASSERT(pDataBufferNode != NULL);
pCurrentNode = pDataBufferNode;
while (pCurrentNode->pChildLo != NULL) {
pCurrentNode = pCurrentNode->pChildLo;
}
return pCurrentNode;
}
static MA_INLINE ma_resource_manager_data_buffer_node* ma_resource_manager_data_buffer_node_find_max(ma_resource_manager_data_buffer_node* pDataBufferNode)
{
ma_resource_manager_data_buffer_node* pCurrentNode;
MA_ASSERT(pDataBufferNode != NULL);
pCurrentNode = pDataBufferNode;
while (pCurrentNode->pChildHi != NULL) {
pCurrentNode = pCurrentNode->pChildHi;
}
return pCurrentNode;
}
static MA_INLINE ma_resource_manager_data_buffer_node* ma_resource_manager_data_buffer_node_find_inorder_successor(ma_resource_manager_data_buffer_node* pDataBufferNode)
{
MA_ASSERT(pDataBufferNode != NULL);
MA_ASSERT(pDataBufferNode->pChildHi != NULL);
return ma_resource_manager_data_buffer_node_find_min(pDataBufferNode->pChildHi);
}
#if 0
static MA_INLINE ma_resource_manager_data_buffer_node* ma_resource_manager_data_buffer_node_find_inorder_predecessor(ma_resource_manager_data_buffer_node* pDataBufferNode)
{
MA_ASSERT(pDataBufferNode != NULL);
MA_ASSERT(pDataBufferNode->pChildLo != NULL);
return ma_resource_manager_data_buffer_node_find_max(pDataBufferNode->pChildLo);
}
#endif
static ma_result ma_resource_manager_data_buffer_node_remove(ma_resource_manager* pResourceManager, ma_resource_manager_data_buffer_node* pDataBufferNode)
{
MA_ASSERT(pResourceManager != NULL);
MA_ASSERT(pDataBufferNode != NULL);
if (pDataBufferNode->pChildLo == NULL) {
if (pDataBufferNode->pChildHi == NULL) {
if (pDataBufferNode->pParent == NULL) {
MA_ASSERT(pResourceManager->pRootDataBufferNode == pDataBufferNode);
pResourceManager->pRootDataBufferNode = NULL;
} else {
if (pDataBufferNode->pParent->pChildLo == pDataBufferNode) {
pDataBufferNode->pParent->pChildLo = NULL;
} else {
pDataBufferNode->pParent->pChildHi = NULL;
}
}
} else {
pDataBufferNode->pChildHi->pParent = pDataBufferNode->pParent;
if (pDataBufferNode->pParent == NULL) {
MA_ASSERT(pResourceManager->pRootDataBufferNode == pDataBufferNode);
pResourceManager->pRootDataBufferNode = pDataBufferNode->pChildHi;
} else {
if (pDataBufferNode->pParent->pChildLo == pDataBufferNode) {
pDataBufferNode->pParent->pChildLo = pDataBufferNode->pChildHi;
} else {
pDataBufferNode->pParent->pChildHi = pDataBufferNode->pChildHi;
}
}
}
} else {
if (pDataBufferNode->pChildHi == NULL) {
pDataBufferNode->pChildLo->pParent = pDataBufferNode->pParent;
if (pDataBufferNode->pParent == NULL) {
MA_ASSERT(pResourceManager->pRootDataBufferNode == pDataBufferNode);
pResourceManager->pRootDataBufferNode = pDataBufferNode->pChildLo;
} else {
if (pDataBufferNode->pParent->pChildLo == pDataBufferNode) {
pDataBufferNode->pParent->pChildLo = pDataBufferNode->pChildLo;
} else {
pDataBufferNode->pParent->pChildHi = pDataBufferNode->pChildLo;
}
}
} else {
ma_resource_manager_data_buffer_node* pReplacementDataBufferNode;
pReplacementDataBufferNode = ma_resource_manager_data_buffer_node_find_inorder_successor(pDataBufferNode);
MA_ASSERT(pReplacementDataBufferNode != NULL);
MA_ASSERT(pReplacementDataBufferNode->pParent != NULL);
MA_ASSERT(pReplacementDataBufferNode->pChildLo == NULL);
if (pReplacementDataBufferNode->pChildHi == NULL) {
if (pReplacementDataBufferNode->pParent->pChildLo == pReplacementDataBufferNode) {
pReplacementDataBufferNode->pParent->pChildLo = NULL;
} else {
pReplacementDataBufferNode->pParent->pChildHi = NULL;
}
} else {
pReplacementDataBufferNode->pChildHi->pParent = pReplacementDataBufferNode->pParent;
if (pReplacementDataBufferNode->pParent->pChildLo == pReplacementDataBufferNode) {
pReplacementDataBufferNode->pParent->pChildLo = pReplacementDataBufferNode->pChildHi;
} else {
pReplacementDataBufferNode->pParent->pChildHi = pReplacementDataBufferNode->pChildHi;
}
}
if (pDataBufferNode->pParent != NULL) {
if (pDataBufferNode->pParent->pChildLo == pDataBufferNode) {
pDataBufferNode->pParent->pChildLo = pReplacementDataBufferNode;
} else {
pDataBufferNode->pParent->pChildHi = pReplacementDataBufferNode;
}
}
pReplacementDataBufferNode->pParent = pDataBufferNode->pParent;
pReplacementDataBufferNode->pChildLo = pDataBufferNode->pChildLo;
pReplacementDataBufferNode->pChildHi = pDataBufferNode->pChildHi;
if (pReplacementDataBufferNode->pChildLo != NULL) {
pReplacementDataBufferNode->pChildLo->pParent = pReplacementDataBufferNode;
}
if (pReplacementDataBufferNode->pChildHi != NULL) {
pReplacementDataBufferNode->pChildHi->pParent = pReplacementDataBufferNode;
}
if (pResourceManager->pRootDataBufferNode == pDataBufferNode) {
pResourceManager->pRootDataBufferNode = pReplacementDataBufferNode;
}
}
}
return MA_SUCCESS;
}
#if 0
static ma_result ma_resource_manager_data_buffer_node_remove_by_key(ma_resource_manager* pResourceManager, ma_uint32 hashedName32)
{
ma_result result;
ma_resource_manager_data_buffer_node* pDataBufferNode;
result = ma_resource_manager_data_buffer_search(pResourceManager, hashedName32, &pDataBufferNode);
if (result != MA_SUCCESS) {
return result;
}
return ma_resource_manager_data_buffer_remove(pResourceManager, pDataBufferNode);
}
#endif
static ma_resource_manager_data_supply_type ma_resource_manager_data_buffer_node_get_data_supply_type(ma_resource_manager_data_buffer_node* pDataBufferNode)
{
return (ma_resource_manager_data_supply_type)ma_atomic_load_i32(&pDataBufferNode->data.type);
}
static void ma_resource_manager_data_buffer_node_set_data_supply_type(ma_resource_manager_data_buffer_node* pDataBufferNode, ma_resource_manager_data_supply_type supplyType)
{
ma_atomic_exchange_i32(&pDataBufferNode->data.type, supplyType);
}
static ma_result ma_resource_manager_data_buffer_node_increment_ref(ma_resource_manager* pResourceManager, ma_resource_manager_data_buffer_node* pDataBufferNode, ma_uint32* pNewRefCount)
{
ma_uint32 refCount;
MA_ASSERT(pResourceManager != NULL);
MA_ASSERT(pDataBufferNode != NULL);
(void)pResourceManager;
refCount = ma_atomic_fetch_add_32(&pDataBufferNode->refCount, 1) + 1;
if (pNewRefCount != NULL) {
*pNewRefCount = refCount;
}
return MA_SUCCESS;
}
static ma_result ma_resource_manager_data_buffer_node_decrement_ref(ma_resource_manager* pResourceManager, ma_resource_manager_data_buffer_node* pDataBufferNode, ma_uint32* pNewRefCount)
{
ma_uint32 refCount;
MA_ASSERT(pResourceManager != NULL);
MA_ASSERT(pDataBufferNode != NULL);
(void)pResourceManager;
refCount = ma_atomic_fetch_sub_32(&pDataBufferNode->refCount, 1) - 1;
if (pNewRefCount != NULL) {
*pNewRefCount = refCount;
}
return MA_SUCCESS;
}
static void ma_resource_manager_data_buffer_node_free(ma_resource_manager* pResourceManager, ma_resource_manager_data_buffer_node* pDataBufferNode)
{
MA_ASSERT(pResourceManager != NULL);
MA_ASSERT(pDataBufferNode != NULL);
if (pDataBufferNode->isDataOwnedByResourceManager) {
if (ma_resource_manager_data_buffer_node_get_data_supply_type(pDataBufferNode) == ma_resource_manager_data_supply_type_encoded) {
ma_free((void*)pDataBufferNode->data.backend.encoded.pData, &pResourceManager->config.allocationCallbacks);
pDataBufferNode->data.backend.encoded.pData = NULL;
pDataBufferNode->data.backend.encoded.sizeInBytes = 0;
} else if (ma_resource_manager_data_buffer_node_get_data_supply_type(pDataBufferNode) == ma_resource_manager_data_supply_type_decoded) {
ma_free((void*)pDataBufferNode->data.backend.decoded.pData, &pResourceManager->config.allocationCallbacks);
pDataBufferNode->data.backend.decoded.pData = NULL;
pDataBufferNode->data.backend.decoded.totalFrameCount = 0;
} else if (ma_resource_manager_data_buffer_node_get_data_supply_type(pDataBufferNode) == ma_resource_manager_data_supply_type_decoded_paged) {
ma_paged_audio_buffer_data_uninit(&pDataBufferNode->data.backend.decodedPaged.data, &pResourceManager->config.allocationCallbacks);
} else {
MA_ASSERT(pDataBufferNode->result != MA_SUCCESS);
}
}
ma_free(pDataBufferNode, &pResourceManager->config.allocationCallbacks);
}
static ma_result ma_resource_manager_data_buffer_node_result(const ma_resource_manager_data_buffer_node* pDataBufferNode)
{
MA_ASSERT(pDataBufferNode != NULL);
return (ma_result)ma_atomic_load_i32((ma_result*)&pDataBufferNode->result);
}
static ma_bool32 ma_resource_manager_is_threading_enabled(const ma_resource_manager* pResourceManager)
{
MA_ASSERT(pResourceManager != NULL);
return (pResourceManager->config.flags & MA_RESOURCE_MANAGER_FLAG_NO_THREADING) == 0;
}
typedef struct
{
union
{
ma_async_notification_event e;
ma_async_notification_poll p;
} backend;
ma_resource_manager* pResourceManager;
} ma_resource_manager_inline_notification;
static ma_result ma_resource_manager_inline_notification_init(ma_resource_manager* pResourceManager, ma_resource_manager_inline_notification* pNotification)
{
MA_ASSERT(pResourceManager != NULL);
MA_ASSERT(pNotification != NULL);
pNotification->pResourceManager = pResourceManager;
if (ma_resource_manager_is_threading_enabled(pResourceManager)) {
return ma_async_notification_event_init(&pNotification->backend.e);
} else {
return ma_async_notification_poll_init(&pNotification->backend.p);
}
}
static void ma_resource_manager_inline_notification_uninit(ma_resource_manager_inline_notification* pNotification)
{
MA_ASSERT(pNotification != NULL);
if (ma_resource_manager_is_threading_enabled(pNotification->pResourceManager)) {
ma_async_notification_event_uninit(&pNotification->backend.e);
} else {
}
}
static void ma_resource_manager_inline_notification_wait(ma_resource_manager_inline_notification* pNotification)
{
MA_ASSERT(pNotification != NULL);
if (ma_resource_manager_is_threading_enabled(pNotification->pResourceManager)) {
ma_async_notification_event_wait(&pNotification->backend.e);
} else {
while (ma_async_notification_poll_is_signalled(&pNotification->backend.p) == MA_FALSE) {
ma_result result = ma_resource_manager_process_next_job(pNotification->pResourceManager);
if (result == MA_NO_DATA_AVAILABLE || result == MA_CANCELLED) {
break;
}
}
}
}
static void ma_resource_manager_inline_notification_wait_and_uninit(ma_resource_manager_inline_notification* pNotification)
{
ma_resource_manager_inline_notification_wait(pNotification);
ma_resource_manager_inline_notification_uninit(pNotification);
}
static void ma_resource_manager_data_buffer_bst_lock(ma_resource_manager* pResourceManager)
{
MA_ASSERT(pResourceManager != NULL);
if (ma_resource_manager_is_threading_enabled(pResourceManager)) {
#ifndef MA_NO_THREADING
{
ma_mutex_lock(&pResourceManager->dataBufferBSTLock);
}
#else
{
MA_ASSERT(MA_FALSE);
}
#endif
} else {
}
}
static void ma_resource_manager_data_buffer_bst_unlock(ma_resource_manager* pResourceManager)
{
MA_ASSERT(pResourceManager != NULL);
if (ma_resource_manager_is_threading_enabled(pResourceManager)) {
#ifndef MA_NO_THREADING
{
ma_mutex_unlock(&pResourceManager->dataBufferBSTLock);
}
#else
{
MA_ASSERT(MA_FALSE);
}
#endif
} else {
}
}
#ifndef MA_NO_THREADING
static ma_thread_result MA_THREADCALL ma_resource_manager_job_thread(void* pUserData)
{
ma_resource_manager* pResourceManager = (ma_resource_manager*)pUserData;
MA_ASSERT(pResourceManager != NULL);
for (;;) {
ma_result result;
ma_job job;
result = ma_resource_manager_next_job(pResourceManager, &job);
if (result != MA_SUCCESS) {
break;
}
if (job.toc.breakup.code == MA_JOB_TYPE_QUIT) {
break;
}
ma_job_process(&job);
}
return (ma_thread_result)0;
}
#endif
MA_API ma_resource_manager_config ma_resource_manager_config_init(void)
{
ma_resource_manager_config config;
MA_ZERO_OBJECT(&config);
config.decodedFormat = ma_format_unknown;
config.decodedChannels = 0;
config.decodedSampleRate = 0;
config.jobThreadCount = 1;
config.jobQueueCapacity = MA_JOB_TYPE_RESOURCE_MANAGER_QUEUE_CAPACITY;
config.resampling = ma_resampler_config_init(ma_format_unknown, 0, 0, 0, ma_resample_algorithm_linear);
config.flags = 0;
#ifdef MA_NO_THREADING
{
config.flags |= MA_RESOURCE_MANAGER_FLAG_NO_THREADING;
config.jobThreadCount = 0;
}
#endif
return config;
}
MA_API ma_result ma_resource_manager_init(const ma_resource_manager_config* pConfig, ma_resource_manager* pResourceManager)
{
ma_result result;
ma_job_queue_config jobQueueConfig;
if (pResourceManager == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pResourceManager);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
#ifndef MA_NO_THREADING
{
if (pConfig->jobThreadCount > ma_countof(pResourceManager->jobThreads)) {
return MA_INVALID_ARGS;
}
}
#endif
pResourceManager->config = *pConfig;
ma_allocation_callbacks_init_copy(&pResourceManager->config.allocationCallbacks, &pConfig->allocationCallbacks);
if (pResourceManager->config.pLog == NULL) {
result = ma_log_init(&pResourceManager->config.allocationCallbacks, &pResourceManager->log);
if (result == MA_SUCCESS) {
pResourceManager->config.pLog = &pResourceManager->log;
} else {
pResourceManager->config.pLog = NULL;
}
}
if (pResourceManager->config.pVFS == NULL) {
result = ma_default_vfs_init(&pResourceManager->defaultVFS, &pResourceManager->config.allocationCallbacks);
if (result != MA_SUCCESS) {
return result;
}
pResourceManager->config.pVFS = &pResourceManager->defaultVFS;
}
#ifdef MA_NO_THREADING
{
pResourceManager->config.flags |= MA_RESOURCE_MANAGER_FLAG_NO_THREADING;
}
#endif
if ((pResourceManager->config.flags & MA_RESOURCE_MANAGER_FLAG_NO_THREADING) != 0) {
pResourceManager->config.flags |= MA_RESOURCE_MANAGER_FLAG_NON_BLOCKING;
if (pResourceManager->config.jobThreadCount > 0) {
return MA_INVALID_ARGS;
}
}
jobQueueConfig.capacity = pResourceManager->config.jobQueueCapacity;
jobQueueConfig.flags = 0;
if ((pResourceManager->config.flags & MA_RESOURCE_MANAGER_FLAG_NON_BLOCKING) != 0) {
if (pResourceManager->config.jobThreadCount > 0) {
return MA_INVALID_ARGS;
}
jobQueueConfig.flags |= MA_JOB_QUEUE_FLAG_NON_BLOCKING;
}
result = ma_job_queue_init(&jobQueueConfig, &pResourceManager->config.allocationCallbacks, &pResourceManager->jobQueue);
if (result != MA_SUCCESS) {
return result;
}
if (pConfig->ppCustomDecodingBackendVTables != NULL && pConfig->customDecodingBackendCount > 0) {
size_t sizeInBytes = sizeof(*pResourceManager->config.ppCustomDecodingBackendVTables) * pConfig->customDecodingBackendCount;
ma_decoding_backend_vtable** ppCustomDecodingBackendVTables;
ppCustomDecodingBackendVTables = (ma_decoding_backend_vtable**)ma_malloc(sizeInBytes, &pResourceManager->config.allocationCallbacks);
if (pResourceManager->config.ppCustomDecodingBackendVTables == NULL) {
ma_job_queue_uninit(&pResourceManager->jobQueue, &pResourceManager->config.allocationCallbacks);
return MA_OUT_OF_MEMORY;
}
MA_COPY_MEMORY(ppCustomDecodingBackendVTables, pConfig->ppCustomDecodingBackendVTables, sizeInBytes);
pResourceManager->config.ppCustomDecodingBackendVTables = ppCustomDecodingBackendVTables;
pResourceManager->config.customDecodingBackendCount = pConfig->customDecodingBackendCount;
pResourceManager->config.pCustomDecodingBackendUserData = pConfig->pCustomDecodingBackendUserData;
}
if (ma_resource_manager_is_threading_enabled(pResourceManager)) {
#ifndef MA_NO_THREADING
{
ma_uint32 iJobThread;
result = ma_mutex_init(&pResourceManager->dataBufferBSTLock);
if (result != MA_SUCCESS) {
ma_job_queue_uninit(&pResourceManager->jobQueue, &pResourceManager->config.allocationCallbacks);
return result;
}
for (iJobThread = 0; iJobThread < pResourceManager->config.jobThreadCount; iJobThread += 1) {
result = ma_thread_create(&pResourceManager->jobThreads[iJobThread], ma_thread_priority_normal, pResourceManager->config.jobThreadStackSize, ma_resource_manager_job_thread, pResourceManager, &pResourceManager->config.allocationCallbacks);
if (result != MA_SUCCESS) {
ma_mutex_uninit(&pResourceManager->dataBufferBSTLock);
ma_job_queue_uninit(&pResourceManager->jobQueue, &pResourceManager->config.allocationCallbacks);
return result;
}
}
}
#else
{
MA_ASSERT(MA_FALSE);
}
#endif
}
return MA_SUCCESS;
}
static void ma_resource_manager_delete_all_data_buffer_nodes(ma_resource_manager* pResourceManager)
{
MA_ASSERT(pResourceManager);
while (pResourceManager->pRootDataBufferNode != NULL) {
ma_resource_manager_data_buffer_node* pDataBufferNode = pResourceManager->pRootDataBufferNode;
ma_resource_manager_data_buffer_node_remove(pResourceManager, pDataBufferNode);
ma_resource_manager_data_buffer_node_free(pResourceManager, pDataBufferNode);
}
}
MA_API void ma_resource_manager_uninit(ma_resource_manager* pResourceManager)
{
if (pResourceManager == NULL) {
return;
}
ma_resource_manager_post_job_quit(pResourceManager);
if (ma_resource_manager_is_threading_enabled(pResourceManager)) {
#ifndef MA_NO_THREADING
{
ma_uint32 iJobThread;
for (iJobThread = 0; iJobThread < pResourceManager->config.jobThreadCount; iJobThread += 1) {
ma_thread_wait(&pResourceManager->jobThreads[iJobThread]);
}
}
#else
{
MA_ASSERT(MA_FALSE);
}
#endif
}
ma_resource_manager_delete_all_data_buffer_nodes(pResourceManager);
ma_job_queue_uninit(&pResourceManager->jobQueue, &pResourceManager->config.allocationCallbacks);
if (ma_resource_manager_is_threading_enabled(pResourceManager)) {
#ifndef MA_NO_THREADING
{
ma_mutex_uninit(&pResourceManager->dataBufferBSTLock);
}
#else
{
MA_ASSERT(MA_FALSE);
}
#endif
}
ma_free((ma_decoding_backend_vtable**)pResourceManager->config.ppCustomDecodingBackendVTables, &pResourceManager->config.allocationCallbacks);
if (pResourceManager->config.pLog == &pResourceManager->log) {
ma_log_uninit(&pResourceManager->log);
}
}
MA_API ma_log* ma_resource_manager_get_log(ma_resource_manager* pResourceManager)
{
if (pResourceManager == NULL) {
return NULL;
}
return pResourceManager->config.pLog;
}
MA_API ma_resource_manager_data_source_config ma_resource_manager_data_source_config_init(void)
{
ma_resource_manager_data_source_config config;
MA_ZERO_OBJECT(&config);
config.rangeBegInPCMFrames = MA_DATA_SOURCE_DEFAULT_RANGE_BEG;
config.rangeEndInPCMFrames = MA_DATA_SOURCE_DEFAULT_RANGE_END;
config.loopPointBegInPCMFrames = MA_DATA_SOURCE_DEFAULT_LOOP_POINT_BEG;
config.loopPointEndInPCMFrames = MA_DATA_SOURCE_DEFAULT_LOOP_POINT_END;
config.isLooping = MA_FALSE;
return config;
}
static ma_decoder_config ma_resource_manager__init_decoder_config(ma_resource_manager* pResourceManager)
{
ma_decoder_config config;
config = ma_decoder_config_init(pResourceManager->config.decodedFormat, pResourceManager->config.decodedChannels, pResourceManager->config.decodedSampleRate);
config.allocationCallbacks = pResourceManager->config.allocationCallbacks;
config.ppCustomBackendVTables = pResourceManager->config.ppCustomDecodingBackendVTables;
config.customBackendCount = pResourceManager->config.customDecodingBackendCount;
config.pCustomBackendUserData = pResourceManager->config.pCustomDecodingBackendUserData;
config.resampling = pResourceManager->config.resampling;
return config;
}
static ma_result ma_resource_manager__init_decoder(ma_resource_manager* pResourceManager, const char* pFilePath, const wchar_t* pFilePathW, ma_decoder* pDecoder)
{
ma_result result;
ma_decoder_config config;
MA_ASSERT(pResourceManager != NULL);
MA_ASSERT(pFilePath != NULL || pFilePathW != NULL);
MA_ASSERT(pDecoder != NULL);
config = ma_resource_manager__init_decoder_config(pResourceManager);
if (pFilePath != NULL) {
result = ma_decoder_init_vfs(pResourceManager->config.pVFS, pFilePath, &config, pDecoder);
if (result != MA_SUCCESS) {
ma_log_postf(ma_resource_manager_get_log(pResourceManager), MA_LOG_LEVEL_WARNING, "Failed to load file \"%s\". %s.\n", pFilePath, ma_result_description(result));
return result;
}
} else {
result = ma_decoder_init_vfs_w(pResourceManager->config.pVFS, pFilePathW, &config, pDecoder);
if (result != MA_SUCCESS) {
#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(_MSC_VER)
ma_log_postf(ma_resource_manager_get_log(pResourceManager), MA_LOG_LEVEL_WARNING, "Failed to load file \"%ls\". %s.\n", pFilePathW, ma_result_description(result));
#endif
return result;
}
}
return MA_SUCCESS;
}
static ma_bool32 ma_resource_manager_data_buffer_has_connector(ma_resource_manager_data_buffer* pDataBuffer)
{
return ma_atomic_bool32_get(&pDataBuffer->isConnectorInitialized);
}
static ma_data_source* ma_resource_manager_data_buffer_get_connector(ma_resource_manager_data_buffer* pDataBuffer)
{
if (ma_resource_manager_data_buffer_has_connector(pDataBuffer) == MA_FALSE) {
return NULL;
}
switch (pDataBuffer->pNode->data.type)
{
case ma_resource_manager_data_supply_type_encoded: return &pDataBuffer->connector.decoder;
case ma_resource_manager_data_supply_type_decoded: return &pDataBuffer->connector.buffer;
case ma_resource_manager_data_supply_type_decoded_paged: return &pDataBuffer->connector.pagedBuffer;
case ma_resource_manager_data_supply_type_unknown:
default:
{
ma_log_postf(ma_resource_manager_get_log(pDataBuffer->pResourceManager), MA_LOG_LEVEL_ERROR, "Failed to retrieve data buffer connector. Unknown data supply type.\n");
return NULL;
};
};
}
static ma_result ma_resource_manager_data_buffer_init_connector(ma_resource_manager_data_buffer* pDataBuffer, const ma_resource_manager_data_source_config* pConfig, ma_async_notification* pInitNotification, ma_fence* pInitFence)
{
ma_result result;
MA_ASSERT(pDataBuffer != NULL);
MA_ASSERT(pConfig != NULL);
MA_ASSERT(ma_resource_manager_data_buffer_has_connector(pDataBuffer) == MA_FALSE);
result = ma_resource_manager_data_buffer_node_result(pDataBuffer->pNode);
if (result != MA_SUCCESS && result != MA_BUSY) {
return result;
}
switch (ma_resource_manager_data_buffer_node_get_data_supply_type(pDataBuffer->pNode))
{
case ma_resource_manager_data_supply_type_encoded:
{
ma_decoder_config config;
config = ma_resource_manager__init_decoder_config(pDataBuffer->pResourceManager);
result = ma_decoder_init_memory(pDataBuffer->pNode->data.backend.encoded.pData, pDataBuffer->pNode->data.backend.encoded.sizeInBytes, &config, &pDataBuffer->connector.decoder);
} break;
case ma_resource_manager_data_supply_type_decoded:
{
ma_audio_buffer_config config;
config = ma_audio_buffer_config_init(pDataBuffer->pNode->data.backend.decoded.format, pDataBuffer->pNode->data.backend.decoded.channels, pDataBuffer->pNode->data.backend.decoded.totalFrameCount, pDataBuffer->pNode->data.backend.decoded.pData, NULL);
result = ma_audio_buffer_init(&config, &pDataBuffer->connector.buffer);
} break;
case ma_resource_manager_data_supply_type_decoded_paged:
{
ma_paged_audio_buffer_config config;
config = ma_paged_audio_buffer_config_init(&pDataBuffer->pNode->data.backend.decodedPaged.data);
result = ma_paged_audio_buffer_init(&config, &pDataBuffer->connector.pagedBuffer);
} break;
case ma_resource_manager_data_supply_type_unknown:
default:
{
return MA_INVALID_ARGS;
};
}
if (result == MA_SUCCESS) {
if (pConfig->rangeBegInPCMFrames != MA_DATA_SOURCE_DEFAULT_RANGE_BEG || pConfig->rangeEndInPCMFrames != MA_DATA_SOURCE_DEFAULT_RANGE_END) {
ma_data_source_set_range_in_pcm_frames(pDataBuffer, pConfig->rangeBegInPCMFrames, pConfig->rangeEndInPCMFrames);
}
if (pConfig->loopPointBegInPCMFrames != MA_DATA_SOURCE_DEFAULT_LOOP_POINT_BEG || pConfig->loopPointEndInPCMFrames != MA_DATA_SOURCE_DEFAULT_LOOP_POINT_END) {
ma_data_source_set_loop_point_in_pcm_frames(pDataBuffer, pConfig->loopPointBegInPCMFrames, pConfig->loopPointEndInPCMFrames);
}
if (pConfig->isLooping != MA_FALSE) {
ma_data_source_set_looping(pDataBuffer, pConfig->isLooping);
}
ma_atomic_bool32_set(&pDataBuffer->isConnectorInitialized, MA_TRUE);
if (pInitNotification != NULL) {
ma_async_notification_signal(pInitNotification);
}
if (pInitFence != NULL) {
ma_fence_release(pInitFence);
}
}
return result;
}
static ma_result ma_resource_manager_data_buffer_uninit_connector(ma_resource_manager* pResourceManager, ma_resource_manager_data_buffer* pDataBuffer)
{
MA_ASSERT(pResourceManager != NULL);
MA_ASSERT(pDataBuffer != NULL);
(void)pResourceManager;
switch (ma_resource_manager_data_buffer_node_get_data_supply_type(pDataBuffer->pNode))
{
case ma_resource_manager_data_supply_type_encoded:
{
ma_decoder_uninit(&pDataBuffer->connector.decoder);
} break;
case ma_resource_manager_data_supply_type_decoded:
{
ma_audio_buffer_uninit(&pDataBuffer->connector.buffer);
} break;
case ma_resource_manager_data_supply_type_decoded_paged:
{
ma_paged_audio_buffer_uninit(&pDataBuffer->connector.pagedBuffer);
} break;
case ma_resource_manager_data_supply_type_unknown:
default:
{
return MA_INVALID_ARGS;
};
}
return MA_SUCCESS;
}
static ma_uint32 ma_resource_manager_data_buffer_node_next_execution_order(ma_resource_manager_data_buffer_node* pDataBufferNode)
{
MA_ASSERT(pDataBufferNode != NULL);
return ma_atomic_fetch_add_32(&pDataBufferNode->executionCounter, 1);
}
static ma_result ma_resource_manager_data_buffer_node_init_supply_encoded(ma_resource_manager* pResourceManager, ma_resource_manager_data_buffer_node* pDataBufferNode, const char* pFilePath, const wchar_t* pFilePathW)
{
ma_result result;
size_t dataSizeInBytes;
void* pData;
MA_ASSERT(pResourceManager != NULL);
MA_ASSERT(pDataBufferNode != NULL);
MA_ASSERT(pFilePath != NULL || pFilePathW != NULL);
result = ma_vfs_open_and_read_file_ex(pResourceManager->config.pVFS, pFilePath, pFilePathW, &pData, &dataSizeInBytes, &pResourceManager->config.allocationCallbacks);
if (result != MA_SUCCESS) {
if (pFilePath != NULL) {
ma_log_postf(ma_resource_manager_get_log(pResourceManager), MA_LOG_LEVEL_WARNING, "Failed to load file \"%s\". %s.\n", pFilePath, ma_result_description(result));
} else {
#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(_MSC_VER)
ma_log_postf(ma_resource_manager_get_log(pResourceManager), MA_LOG_LEVEL_WARNING, "Failed to load file \"%ls\". %s.\n", pFilePathW, ma_result_description(result));
#endif
}
return result;
}
pDataBufferNode->data.backend.encoded.pData = pData;
pDataBufferNode->data.backend.encoded.sizeInBytes = dataSizeInBytes;
ma_resource_manager_data_buffer_node_set_data_supply_type(pDataBufferNode, ma_resource_manager_data_supply_type_encoded);
return MA_SUCCESS;
}
static ma_result ma_resource_manager_data_buffer_node_init_supply_decoded(ma_resource_manager* pResourceManager, ma_resource_manager_data_buffer_node* pDataBufferNode, const char* pFilePath, const wchar_t* pFilePathW, ma_uint32 flags, ma_decoder** ppDecoder)
{
ma_result result = MA_SUCCESS;
ma_decoder* pDecoder;
ma_uint64 totalFrameCount;
MA_ASSERT(pResourceManager != NULL);
MA_ASSERT(pDataBufferNode != NULL);
MA_ASSERT(ppDecoder != NULL);
MA_ASSERT(pFilePath != NULL || pFilePathW != NULL);
*ppDecoder = NULL;
pDecoder = (ma_decoder*)ma_malloc(sizeof(*pDecoder), &pResourceManager->config.allocationCallbacks);
if (pDecoder == NULL) {
return MA_OUT_OF_MEMORY;
}
result = ma_resource_manager__init_decoder(pResourceManager, pFilePath, pFilePathW, pDecoder);
if (result != MA_SUCCESS) {
ma_free(pDecoder, &pResourceManager->config.allocationCallbacks);
return result;
}
if ((flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_UNKNOWN_LENGTH) == 0) {
result = ma_decoder_get_length_in_pcm_frames(pDecoder, &totalFrameCount);
if (result != MA_SUCCESS) {
return result;
}
} else {
totalFrameCount = 0;
}
if (totalFrameCount > 0) {
ma_uint64 dataSizeInBytes;
void* pData;
dataSizeInBytes = totalFrameCount * ma_get_bytes_per_frame(pDecoder->outputFormat, pDecoder->outputChannels);
if (dataSizeInBytes > MA_SIZE_MAX) {
ma_decoder_uninit(pDecoder);
ma_free(pDecoder, &pResourceManager->config.allocationCallbacks);
return MA_TOO_BIG;
}
pData = ma_malloc((size_t)dataSizeInBytes, &pResourceManager->config.allocationCallbacks);
if (pData == NULL) {
ma_decoder_uninit(pDecoder);
ma_free(pDecoder, &pResourceManager->config.allocationCallbacks);
return MA_OUT_OF_MEMORY;
}
ma_silence_pcm_frames(pData, totalFrameCount, pDecoder->outputFormat, pDecoder->outputChannels);
pDataBufferNode->data.backend.decoded.pData = pData;
pDataBufferNode->data.backend.decoded.totalFrameCount = totalFrameCount;
pDataBufferNode->data.backend.decoded.format = pDecoder->outputFormat;
pDataBufferNode->data.backend.decoded.channels = pDecoder->outputChannels;
pDataBufferNode->data.backend.decoded.sampleRate = pDecoder->outputSampleRate;
pDataBufferNode->data.backend.decoded.decodedFrameCount = 0;
ma_resource_manager_data_buffer_node_set_data_supply_type(pDataBufferNode, ma_resource_manager_data_supply_type_decoded);
} else {
result = ma_paged_audio_buffer_data_init(pDecoder->outputFormat, pDecoder->outputChannels, &pDataBufferNode->data.backend.decodedPaged.data);
if (result != MA_SUCCESS) {
ma_decoder_uninit(pDecoder);
ma_free(pDecoder, &pResourceManager->config.allocationCallbacks);
return result;
}
pDataBufferNode->data.backend.decodedPaged.sampleRate = pDecoder->outputSampleRate;
pDataBufferNode->data.backend.decodedPaged.decodedFrameCount = 0;
ma_resource_manager_data_buffer_node_set_data_supply_type(pDataBufferNode, ma_resource_manager_data_supply_type_decoded_paged);
}
*ppDecoder = pDecoder;
return MA_SUCCESS;
}
static ma_result ma_resource_manager_data_buffer_node_decode_next_page(ma_resource_manager* pResourceManager, ma_resource_manager_data_buffer_node* pDataBufferNode, ma_decoder* pDecoder)
{
ma_result result = MA_SUCCESS;
ma_uint64 pageSizeInFrames;
ma_uint64 framesToTryReading;
ma_uint64 framesRead;
MA_ASSERT(pResourceManager != NULL);
MA_ASSERT(pDataBufferNode != NULL);
MA_ASSERT(pDecoder != NULL);
pageSizeInFrames = MA_RESOURCE_MANAGER_PAGE_SIZE_IN_MILLISECONDS * (pDecoder->outputSampleRate/1000);
framesToTryReading = pageSizeInFrames;
switch (ma_resource_manager_data_buffer_node_get_data_supply_type(pDataBufferNode))
{
case ma_resource_manager_data_supply_type_decoded:
{
void* pDst;
ma_uint64 framesRemaining = pDataBufferNode->data.backend.decoded.totalFrameCount - pDataBufferNode->data.backend.decoded.decodedFrameCount;
if (framesToTryReading > framesRemaining) {
framesToTryReading = framesRemaining;
}
if (framesToTryReading > 0) {
pDst = ma_offset_ptr(
pDataBufferNode->data.backend.decoded.pData,
pDataBufferNode->data.backend.decoded.decodedFrameCount * ma_get_bytes_per_frame(pDataBufferNode->data.backend.decoded.format, pDataBufferNode->data.backend.decoded.channels)
);
MA_ASSERT(pDst != NULL);
result = ma_decoder_read_pcm_frames(pDecoder, pDst, framesToTryReading, &framesRead);
if (framesRead > 0) {
pDataBufferNode->data.backend.decoded.decodedFrameCount += framesRead;
}
} else {
framesRead = 0;
}
} break;
case ma_resource_manager_data_supply_type_decoded_paged:
{
ma_paged_audio_buffer_page* pPage;
result = ma_paged_audio_buffer_data_allocate_page(&pDataBufferNode->data.backend.decodedPaged.data, framesToTryReading, NULL, &pResourceManager->config.allocationCallbacks, &pPage);
if (result != MA_SUCCESS) {
return result;
}
result = ma_decoder_read_pcm_frames(pDecoder, pPage->pAudioData, framesToTryReading, &framesRead);
if (result == MA_SUCCESS && framesRead > 0) {
pPage->sizeInFrames = framesRead;
result = ma_paged_audio_buffer_data_append_page(&pDataBufferNode->data.backend.decodedPaged.data, pPage);
if (result == MA_SUCCESS) {
pDataBufferNode->data.backend.decodedPaged.decodedFrameCount += framesRead;
} else {
ma_paged_audio_buffer_data_free_page(&pDataBufferNode->data.backend.decodedPaged.data, pPage, &pResourceManager->config.allocationCallbacks);
result = MA_AT_END;
}
} else {
ma_paged_audio_buffer_data_free_page(&pDataBufferNode->data.backend.decodedPaged.data, pPage, &pResourceManager->config.allocationCallbacks);
result = MA_AT_END;
}
} break;
case ma_resource_manager_data_supply_type_encoded:
case ma_resource_manager_data_supply_type_unknown:
default:
{
ma_log_postf(ma_resource_manager_get_log(pResourceManager), MA_LOG_LEVEL_ERROR, "Unexpected data supply type (%d) when decoding page.", ma_resource_manager_data_buffer_node_get_data_supply_type(pDataBufferNode));
return MA_ERROR;
};
}
if (result == MA_SUCCESS && framesRead == 0) {
result = MA_AT_END;
}
return result;
}
static ma_result ma_resource_manager_data_buffer_node_acquire_critical_section(ma_resource_manager* pResourceManager, const char* pFilePath, const wchar_t* pFilePathW, ma_uint32 hashedName32, ma_uint32 flags, const ma_resource_manager_data_supply* pExistingData, ma_fence* pInitFence, ma_fence* pDoneFence, ma_resource_manager_inline_notification* pInitNotification, ma_resource_manager_data_buffer_node** ppDataBufferNode)
{
ma_result result = MA_SUCCESS;
ma_resource_manager_data_buffer_node* pDataBufferNode = NULL;
ma_resource_manager_data_buffer_node* pInsertPoint;
if (ppDataBufferNode != NULL) {
*ppDataBufferNode = NULL;
}
result = ma_resource_manager_data_buffer_node_insert_point(pResourceManager, hashedName32, &pInsertPoint);
if (result == MA_ALREADY_EXISTS) {
pDataBufferNode = pInsertPoint;
result = ma_resource_manager_data_buffer_node_increment_ref(pResourceManager, pDataBufferNode, NULL);
if (result != MA_SUCCESS) {
return result;
}
result = MA_ALREADY_EXISTS;
goto done;
} else {
pDataBufferNode = (ma_resource_manager_data_buffer_node*)ma_malloc(sizeof(*pDataBufferNode), &pResourceManager->config.allocationCallbacks);
if (pDataBufferNode == NULL) {
return MA_OUT_OF_MEMORY;
}
MA_ZERO_OBJECT(pDataBufferNode);
pDataBufferNode->hashedName32 = hashedName32;
pDataBufferNode->refCount = 1;
if (pExistingData == NULL) {
pDataBufferNode->data.type = ma_resource_manager_data_supply_type_unknown;
pDataBufferNode->result = MA_BUSY;
pDataBufferNode->isDataOwnedByResourceManager = MA_TRUE;
} else {
pDataBufferNode->data = *pExistingData;
pDataBufferNode->result = MA_SUCCESS;
pDataBufferNode->isDataOwnedByResourceManager = MA_FALSE;
}
result = ma_resource_manager_data_buffer_node_insert_at(pResourceManager, pDataBufferNode, pInsertPoint);
if (result != MA_SUCCESS) {
ma_free(pDataBufferNode, &pResourceManager->config.allocationCallbacks);
return result;
}
if (pDataBufferNode->isDataOwnedByResourceManager && (flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_ASYNC) != 0) {
ma_job job;
char* pFilePathCopy = NULL;
wchar_t* pFilePathWCopy = NULL;
if (pFilePath != NULL) {
pFilePathCopy = ma_copy_string(pFilePath, &pResourceManager->config.allocationCallbacks);
} else {
pFilePathWCopy = ma_copy_string_w(pFilePathW, &pResourceManager->config.allocationCallbacks);
}
if (pFilePathCopy == NULL && pFilePathWCopy == NULL) {
ma_resource_manager_data_buffer_node_remove(pResourceManager, pDataBufferNode);
ma_free(pDataBufferNode, &pResourceManager->config.allocationCallbacks);
return MA_OUT_OF_MEMORY;
}
if ((flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_WAIT_INIT) != 0) {
ma_resource_manager_inline_notification_init(pResourceManager, pInitNotification);
}
if (pInitFence != NULL) { ma_fence_acquire(pInitFence); }
if (pDoneFence != NULL) { ma_fence_acquire(pDoneFence); }
job = ma_job_init(MA_JOB_TYPE_RESOURCE_MANAGER_LOAD_DATA_BUFFER_NODE);
job.order = ma_resource_manager_data_buffer_node_next_execution_order(pDataBufferNode);
job.data.resourceManager.loadDataBufferNode.pResourceManager = pResourceManager;
job.data.resourceManager.loadDataBufferNode.pDataBufferNode = pDataBufferNode;
job.data.resourceManager.loadDataBufferNode.pFilePath = pFilePathCopy;
job.data.resourceManager.loadDataBufferNode.pFilePathW = pFilePathWCopy;
job.data.resourceManager.loadDataBufferNode.flags = flags;
job.data.resourceManager.loadDataBufferNode.pInitNotification = ((flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_WAIT_INIT) != 0) ? pInitNotification : NULL;
job.data.resourceManager.loadDataBufferNode.pDoneNotification = NULL;
job.data.resourceManager.loadDataBufferNode.pInitFence = pInitFence;
job.data.resourceManager.loadDataBufferNode.pDoneFence = pDoneFence;
if ((flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_WAIT_INIT) != 0) {
result = ma_job_process(&job);
} else {
result = ma_resource_manager_post_job(pResourceManager, &job);
}
if (result != MA_SUCCESS) {
ma_log_postf(ma_resource_manager_get_log(pResourceManager), MA_LOG_LEVEL_ERROR, "Failed to post MA_JOB_TYPE_RESOURCE_MANAGER_LOAD_DATA_BUFFER_NODE job. %s.\n", ma_result_description(result));
if ((flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_WAIT_INIT) != 0) {
ma_resource_manager_inline_notification_uninit(pInitNotification);
} else {
if (pInitFence != NULL) { ma_fence_release(pInitFence); }
if (pDoneFence != NULL) { ma_fence_release(pDoneFence); }
ma_free(pFilePathCopy, &pResourceManager->config.allocationCallbacks);
ma_free(pFilePathWCopy, &pResourceManager->config.allocationCallbacks);
}
ma_resource_manager_data_buffer_node_remove(pResourceManager, pDataBufferNode);
ma_free(pDataBufferNode, &pResourceManager->config.allocationCallbacks);
return result;
}
}
}
done:
if (ppDataBufferNode != NULL) {
*ppDataBufferNode = pDataBufferNode;
}
return result;
}
static ma_result ma_resource_manager_data_buffer_node_acquire(ma_resource_manager* pResourceManager, const char* pFilePath, const wchar_t* pFilePathW, ma_uint32 hashedName32, ma_uint32 flags, const ma_resource_manager_data_supply* pExistingData, ma_fence* pInitFence, ma_fence* pDoneFence, ma_resource_manager_data_buffer_node** ppDataBufferNode)
{
ma_result result = MA_SUCCESS;
ma_bool32 nodeAlreadyExists = MA_FALSE;
ma_resource_manager_data_buffer_node* pDataBufferNode = NULL;
ma_resource_manager_inline_notification initNotification;
if (ppDataBufferNode != NULL) {
*ppDataBufferNode = NULL;
}
if (pResourceManager == NULL || (pFilePath == NULL && pFilePathW == NULL && hashedName32 == 0)) {
return MA_INVALID_ARGS;
}
if (pExistingData != NULL && pExistingData->type == ma_resource_manager_data_supply_type_unknown) {
return MA_INVALID_ARGS;
}
if (ma_resource_manager_is_threading_enabled(pResourceManager) == MA_FALSE) {
flags &= ~MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_ASYNC;
}
if (hashedName32 == 0) {
if (pFilePath != NULL) {
hashedName32 = ma_hash_string_32(pFilePath);
} else {
hashedName32 = ma_hash_string_w_32(pFilePathW);
}
}
ma_resource_manager_data_buffer_bst_lock(pResourceManager);
{
result = ma_resource_manager_data_buffer_node_acquire_critical_section(pResourceManager, pFilePath, pFilePathW, hashedName32, flags, pExistingData, pInitFence, pDoneFence, &initNotification, &pDataBufferNode);
}
ma_resource_manager_data_buffer_bst_unlock(pResourceManager);
if (result == MA_ALREADY_EXISTS) {
nodeAlreadyExists = MA_TRUE;
result = MA_SUCCESS;
} else {
if (result != MA_SUCCESS) {
return result;
}
}
if (nodeAlreadyExists == MA_FALSE) {
if (pFilePath == NULL && pFilePathW == NULL) {
ma_log_postf(ma_resource_manager_get_log(pResourceManager), MA_LOG_LEVEL_WARNING, "Cloning data buffer node failed because the source node was released. The source node must remain valid until the cloning has completed.\n");
result = MA_INVALID_OPERATION;
goto done;
}
if (pDataBufferNode->isDataOwnedByResourceManager) {
if ((flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_ASYNC) == 0) {
if ((flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_DECODE) == 0) {
result = ma_resource_manager_data_buffer_node_init_supply_encoded(pResourceManager, pDataBufferNode, pFilePath, pFilePathW);
if (result != MA_SUCCESS) {
goto done;
}
} else {
ma_decoder* pDecoder;
result = ma_resource_manager_data_buffer_node_init_supply_decoded(pResourceManager, pDataBufferNode, pFilePath, pFilePathW, flags, &pDecoder);
if (result != MA_SUCCESS) {
goto done;
}
for (;;) {
result = ma_resource_manager_data_buffer_node_decode_next_page(pResourceManager, pDataBufferNode, pDecoder);
if (result != MA_SUCCESS) {
break;
}
}
if (result == MA_AT_END) {
result = MA_SUCCESS;
}
ma_decoder_uninit(pDecoder);
ma_free(pDecoder, &pResourceManager->config.allocationCallbacks);
}
ma_atomic_exchange_i32(&pDataBufferNode->result, result);
} else {
if ((flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_WAIT_INIT) != 0) {
ma_resource_manager_inline_notification_wait(&initNotification);
}
}
} else {
MA_ASSERT(pExistingData != NULL);
}
}
done:
if (result != MA_SUCCESS) {
if (nodeAlreadyExists == MA_FALSE) {
ma_resource_manager_data_buffer_node_remove(pResourceManager, pDataBufferNode);
ma_free(pDataBufferNode, &pResourceManager->config.allocationCallbacks);
}
}
if (nodeAlreadyExists == MA_FALSE && pDataBufferNode->isDataOwnedByResourceManager && (flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_ASYNC) != 0) {
if ((flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_WAIT_INIT) != 0) {
ma_resource_manager_inline_notification_uninit(&initNotification);
}
}
if (ppDataBufferNode != NULL) {
*ppDataBufferNode = pDataBufferNode;
}
return result;
}
static ma_result ma_resource_manager_data_buffer_node_unacquire(ma_resource_manager* pResourceManager, ma_resource_manager_data_buffer_node* pDataBufferNode, const char* pName, const wchar_t* pNameW)
{
ma_result result = MA_SUCCESS;
ma_uint32 refCount = 0xFFFFFFFF;
ma_uint32 hashedName32 = 0;
if (pResourceManager == NULL) {
return MA_INVALID_ARGS;
}
if (pDataBufferNode == NULL) {
if (pName == NULL && pNameW == NULL) {
return MA_INVALID_ARGS;
}
if (pName != NULL) {
hashedName32 = ma_hash_string_32(pName);
} else {
hashedName32 = ma_hash_string_w_32(pNameW);
}
}
ma_resource_manager_data_buffer_bst_lock(pResourceManager);
{
if (pDataBufferNode == NULL) {
result = ma_resource_manager_data_buffer_node_search(pResourceManager, hashedName32, &pDataBufferNode);
if (result != MA_SUCCESS) {
goto stage2;
}
}
result = ma_resource_manager_data_buffer_node_decrement_ref(pResourceManager, pDataBufferNode, &refCount);
if (result != MA_SUCCESS) {
goto stage2;
}
if (refCount == 0) {
result = ma_resource_manager_data_buffer_node_remove(pResourceManager, pDataBufferNode);
if (result != MA_SUCCESS) {
goto stage2;
}
}
}
ma_resource_manager_data_buffer_bst_unlock(pResourceManager);
stage2:
if (result != MA_SUCCESS) {
return result;
}
if (refCount == 0) {
if (ma_resource_manager_data_buffer_node_result(pDataBufferNode) == MA_BUSY) {
ma_job job;
ma_atomic_exchange_i32(&pDataBufferNode->result, MA_UNAVAILABLE);
job = ma_job_init(MA_JOB_TYPE_RESOURCE_MANAGER_FREE_DATA_BUFFER_NODE);
job.order = ma_resource_manager_data_buffer_node_next_execution_order(pDataBufferNode);
job.data.resourceManager.freeDataBufferNode.pResourceManager = pResourceManager;
job.data.resourceManager.freeDataBufferNode.pDataBufferNode = pDataBufferNode;
result = ma_resource_manager_post_job(pResourceManager, &job);
if (result != MA_SUCCESS) {
ma_log_postf(ma_resource_manager_get_log(pResourceManager), MA_LOG_LEVEL_ERROR, "Failed to post MA_JOB_TYPE_RESOURCE_MANAGER_FREE_DATA_BUFFER_NODE job. %s.\n", ma_result_description(result));
return result;
}
if (ma_resource_manager_is_threading_enabled(pResourceManager) == MA_FALSE) {
while (ma_resource_manager_data_buffer_node_result(pDataBufferNode) == MA_BUSY) {
result = ma_resource_manager_process_next_job(pResourceManager);
if (result == MA_NO_DATA_AVAILABLE || result == MA_CANCELLED) {
result = MA_SUCCESS;
break;
}
}
} else {
}
} else {
ma_resource_manager_data_buffer_node_free(pResourceManager, pDataBufferNode);
}
}
return result;
}
static ma_uint32 ma_resource_manager_data_buffer_next_execution_order(ma_resource_manager_data_buffer* pDataBuffer)
{
MA_ASSERT(pDataBuffer != NULL);
return ma_atomic_fetch_add_32(&pDataBuffer->executionCounter, 1);
}
static ma_result ma_resource_manager_data_buffer_cb__read_pcm_frames(ma_data_source* pDataSource, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
{
return ma_resource_manager_data_buffer_read_pcm_frames((ma_resource_manager_data_buffer*)pDataSource, pFramesOut, frameCount, pFramesRead);
}
static ma_result ma_resource_manager_data_buffer_cb__seek_to_pcm_frame(ma_data_source* pDataSource, ma_uint64 frameIndex)
{
return ma_resource_manager_data_buffer_seek_to_pcm_frame((ma_resource_manager_data_buffer*)pDataSource, frameIndex);
}
static ma_result ma_resource_manager_data_buffer_cb__get_data_format(ma_data_source* pDataSource, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap)
{
return ma_resource_manager_data_buffer_get_data_format((ma_resource_manager_data_buffer*)pDataSource, pFormat, pChannels, pSampleRate, pChannelMap, channelMapCap);
}
static ma_result ma_resource_manager_data_buffer_cb__get_cursor_in_pcm_frames(ma_data_source* pDataSource, ma_uint64* pCursor)
{
return ma_resource_manager_data_buffer_get_cursor_in_pcm_frames((ma_resource_manager_data_buffer*)pDataSource, pCursor);
}
static ma_result ma_resource_manager_data_buffer_cb__get_length_in_pcm_frames(ma_data_source* pDataSource, ma_uint64* pLength)
{
return ma_resource_manager_data_buffer_get_length_in_pcm_frames((ma_resource_manager_data_buffer*)pDataSource, pLength);
}
static ma_result ma_resource_manager_data_buffer_cb__set_looping(ma_data_source* pDataSource, ma_bool32 isLooping)
{
ma_resource_manager_data_buffer* pDataBuffer = (ma_resource_manager_data_buffer*)pDataSource;
MA_ASSERT(pDataBuffer != NULL);
ma_atomic_exchange_32(&pDataBuffer->isLooping, isLooping);
ma_data_source_set_looping(ma_resource_manager_data_buffer_get_connector(pDataBuffer), isLooping);
return MA_SUCCESS;
}
static ma_data_source_vtable g_ma_resource_manager_data_buffer_vtable =
{
ma_resource_manager_data_buffer_cb__read_pcm_frames,
ma_resource_manager_data_buffer_cb__seek_to_pcm_frame,
ma_resource_manager_data_buffer_cb__get_data_format,
ma_resource_manager_data_buffer_cb__get_cursor_in_pcm_frames,
ma_resource_manager_data_buffer_cb__get_length_in_pcm_frames,
ma_resource_manager_data_buffer_cb__set_looping,
0
};
static ma_result ma_resource_manager_data_buffer_init_ex_internal(ma_resource_manager* pResourceManager, const ma_resource_manager_data_source_config* pConfig, ma_uint32 hashedName32, ma_resource_manager_data_buffer* pDataBuffer)
{
ma_result result = MA_SUCCESS;
ma_resource_manager_data_buffer_node* pDataBufferNode;
ma_data_source_config dataSourceConfig;
ma_bool32 async;
ma_uint32 flags;
ma_resource_manager_pipeline_notifications notifications;
if (pDataBuffer == NULL) {
if (pConfig != NULL && pConfig->pNotifications != NULL) {
ma_resource_manager_pipeline_notifications_signal_all_notifications(pConfig->pNotifications);
}
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pDataBuffer);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->pNotifications != NULL) {
notifications = *pConfig->pNotifications;
} else {
MA_ZERO_OBJECT(&notifications);
}
flags = pConfig->flags;
if (ma_resource_manager_is_threading_enabled(pResourceManager) == MA_FALSE) {
flags &= ~MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_ASYNC;
}
if (pConfig->isLooping) {
flags |= MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_LOOPING;
}
async = (flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_ASYNC) != 0;
ma_resource_manager_pipeline_notifications_acquire_all_fences(&notifications);
{
result = ma_resource_manager_data_buffer_node_acquire(pResourceManager, pConfig->pFilePath, pConfig->pFilePathW, hashedName32, flags, NULL, notifications.init.pFence, notifications.done.pFence, &pDataBufferNode);
if (result != MA_SUCCESS) {
ma_resource_manager_pipeline_notifications_signal_all_notifications(&notifications);
goto done;
}
dataSourceConfig = ma_data_source_config_init();
dataSourceConfig.vtable = &g_ma_resource_manager_data_buffer_vtable;
result = ma_data_source_init(&dataSourceConfig, &pDataBuffer->ds);
if (result != MA_SUCCESS) {
ma_resource_manager_data_buffer_node_unacquire(pResourceManager, pDataBufferNode, NULL, NULL);
ma_resource_manager_pipeline_notifications_signal_all_notifications(&notifications);
goto done;
}
pDataBuffer->pResourceManager = pResourceManager;
pDataBuffer->pNode = pDataBufferNode;
pDataBuffer->flags = flags;
pDataBuffer->result = MA_BUSY;
if (async == MA_FALSE || ma_resource_manager_data_buffer_node_result(pDataBufferNode) == MA_SUCCESS) {
result = ma_resource_manager_data_buffer_init_connector(pDataBuffer, pConfig, NULL, NULL);
ma_atomic_exchange_i32(&pDataBuffer->result, result);
ma_resource_manager_pipeline_notifications_signal_all_notifications(&notifications);
goto done;
} else {
ma_job job;
ma_resource_manager_inline_notification initNotification;
if ((flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_WAIT_INIT) != 0) {
ma_resource_manager_inline_notification_init(pResourceManager, &initNotification);
}
ma_atomic_exchange_i32(&pDataBuffer->result, MA_BUSY);
ma_resource_manager_pipeline_notifications_acquire_all_fences(&notifications);
job = ma_job_init(MA_JOB_TYPE_RESOURCE_MANAGER_LOAD_DATA_BUFFER);
job.order = ma_resource_manager_data_buffer_next_execution_order(pDataBuffer);
job.data.resourceManager.loadDataBuffer.pDataBuffer = pDataBuffer;
job.data.resourceManager.loadDataBuffer.pInitNotification = ((flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_WAIT_INIT) != 0) ? &initNotification : notifications.init.pNotification;
job.data.resourceManager.loadDataBuffer.pDoneNotification = notifications.done.pNotification;
job.data.resourceManager.loadDataBuffer.pInitFence = notifications.init.pFence;
job.data.resourceManager.loadDataBuffer.pDoneFence = notifications.done.pFence;
job.data.resourceManager.loadDataBuffer.rangeBegInPCMFrames = pConfig->rangeBegInPCMFrames;
job.data.resourceManager.loadDataBuffer.rangeEndInPCMFrames = pConfig->rangeEndInPCMFrames;
job.data.resourceManager.loadDataBuffer.loopPointBegInPCMFrames = pConfig->loopPointBegInPCMFrames;
job.data.resourceManager.loadDataBuffer.loopPointEndInPCMFrames = pConfig->loopPointEndInPCMFrames;
job.data.resourceManager.loadDataBuffer.isLooping = (flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_LOOPING) != 0;
if ((flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_WAIT_INIT) != 0) {
result = ma_job_process(&job);
} else {
result = ma_resource_manager_post_job(pResourceManager, &job);
}
if (result != MA_SUCCESS) {
ma_log_postf(ma_resource_manager_get_log(pResourceManager), MA_LOG_LEVEL_ERROR, "Failed to post MA_JOB_TYPE_RESOURCE_MANAGER_LOAD_DATA_BUFFER job. %s.\n", ma_result_description(result));
ma_atomic_exchange_i32(&pDataBuffer->result, result);
ma_resource_manager_pipeline_notifications_release_all_fences(&notifications);
} else {
if ((flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_WAIT_INIT) != 0) {
ma_resource_manager_inline_notification_wait(&initNotification);
if (notifications.init.pNotification != NULL) {
ma_async_notification_signal(notifications.init.pNotification);
}
result = ma_resource_manager_data_buffer_result(pDataBuffer);
if (result == MA_BUSY) {
result = MA_SUCCESS;
}
}
}
if ((flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_WAIT_INIT) != 0) {
ma_resource_manager_inline_notification_uninit(&initNotification);
}
}
if (result != MA_SUCCESS) {
ma_resource_manager_data_buffer_node_unacquire(pResourceManager, pDataBufferNode, NULL, NULL);
goto done;
}
}
done:
if (result == MA_SUCCESS) {
if (pConfig->initialSeekPointInPCMFrames > 0) {
ma_resource_manager_data_buffer_seek_to_pcm_frame(pDataBuffer, pConfig->initialSeekPointInPCMFrames);
}
}
ma_resource_manager_pipeline_notifications_release_all_fences(&notifications);
return result;
}
MA_API ma_result ma_resource_manager_data_buffer_init_ex(ma_resource_manager* pResourceManager, const ma_resource_manager_data_source_config* pConfig, ma_resource_manager_data_buffer* pDataBuffer)
{
return ma_resource_manager_data_buffer_init_ex_internal(pResourceManager, pConfig, 0, pDataBuffer);
}
MA_API ma_result ma_resource_manager_data_buffer_init(ma_resource_manager* pResourceManager, const char* pFilePath, ma_uint32 flags, const ma_resource_manager_pipeline_notifications* pNotifications, ma_resource_manager_data_buffer* pDataBuffer)
{
ma_resource_manager_data_source_config config;
config = ma_resource_manager_data_source_config_init();
config.pFilePath = pFilePath;
config.flags = flags;
config.pNotifications = pNotifications;
return ma_resource_manager_data_buffer_init_ex(pResourceManager, &config, pDataBuffer);
}
MA_API ma_result ma_resource_manager_data_buffer_init_w(ma_resource_manager* pResourceManager, const wchar_t* pFilePath, ma_uint32 flags, const ma_resource_manager_pipeline_notifications* pNotifications, ma_resource_manager_data_buffer* pDataBuffer)
{
ma_resource_manager_data_source_config config;
config = ma_resource_manager_data_source_config_init();
config.pFilePathW = pFilePath;
config.flags = flags;
config.pNotifications = pNotifications;
return ma_resource_manager_data_buffer_init_ex(pResourceManager, &config, pDataBuffer);
}
MA_API ma_result ma_resource_manager_data_buffer_init_copy(ma_resource_manager* pResourceManager, const ma_resource_manager_data_buffer* pExistingDataBuffer, ma_resource_manager_data_buffer* pDataBuffer)
{
ma_resource_manager_data_source_config config;
if (pExistingDataBuffer == NULL) {
return MA_INVALID_ARGS;
}
MA_ASSERT(pExistingDataBuffer->pNode != NULL);
config = ma_resource_manager_data_source_config_init();
config.flags = pExistingDataBuffer->flags;
return ma_resource_manager_data_buffer_init_ex_internal(pResourceManager, &config, pExistingDataBuffer->pNode->hashedName32, pDataBuffer);
}
static ma_result ma_resource_manager_data_buffer_uninit_internal(ma_resource_manager_data_buffer* pDataBuffer)
{
MA_ASSERT(pDataBuffer != NULL);
ma_resource_manager_data_buffer_uninit_connector(pDataBuffer->pResourceManager, pDataBuffer);
ma_resource_manager_data_buffer_node_unacquire(pDataBuffer->pResourceManager, pDataBuffer->pNode, NULL, NULL);
ma_data_source_uninit(&pDataBuffer->ds);
return MA_SUCCESS;
}
MA_API ma_result ma_resource_manager_data_buffer_uninit(ma_resource_manager_data_buffer* pDataBuffer)
{
ma_result result;
if (pDataBuffer == NULL) {
return MA_INVALID_ARGS;
}
if (ma_resource_manager_data_buffer_result(pDataBuffer) == MA_SUCCESS) {
return ma_resource_manager_data_buffer_uninit_internal(pDataBuffer);
} else {
ma_resource_manager_inline_notification notification;
ma_job job;
ma_atomic_exchange_i32(&pDataBuffer->result, MA_UNAVAILABLE);
result = ma_resource_manager_inline_notification_init(pDataBuffer->pResourceManager, &notification);
if (result != MA_SUCCESS) {
return result;
}
job = ma_job_init(MA_JOB_TYPE_RESOURCE_MANAGER_FREE_DATA_BUFFER);
job.order = ma_resource_manager_data_buffer_next_execution_order(pDataBuffer);
job.data.resourceManager.freeDataBuffer.pDataBuffer = pDataBuffer;
job.data.resourceManager.freeDataBuffer.pDoneNotification = &notification;
job.data.resourceManager.freeDataBuffer.pDoneFence = NULL;
result = ma_resource_manager_post_job(pDataBuffer->pResourceManager, &job);
if (result != MA_SUCCESS) {
ma_resource_manager_inline_notification_uninit(&notification);
return result;
}
ma_resource_manager_inline_notification_wait_and_uninit(&notification);
}
return result;
}
MA_API ma_result ma_resource_manager_data_buffer_read_pcm_frames(ma_resource_manager_data_buffer* pDataBuffer, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
{
ma_result result = MA_SUCCESS;
ma_uint64 framesRead = 0;
ma_bool32 isDecodedBufferBusy = MA_FALSE;
if (pFramesRead != NULL) {
*pFramesRead = 0;
}
if (frameCount == 0) {
return MA_INVALID_ARGS;
}
MA_ASSERT(ma_resource_manager_data_buffer_node_result(pDataBuffer->pNode) != MA_UNAVAILABLE);
if (ma_resource_manager_data_buffer_has_connector(pDataBuffer) == MA_FALSE) {
return MA_BUSY;
}
if (pDataBuffer->seekToCursorOnNextRead) {
pDataBuffer->seekToCursorOnNextRead = MA_FALSE;
result = ma_data_source_seek_to_pcm_frame(ma_resource_manager_data_buffer_get_connector(pDataBuffer), pDataBuffer->seekTargetInPCMFrames);
if (result != MA_SUCCESS) {
if (result == MA_BAD_SEEK && ma_resource_manager_data_buffer_node_get_data_supply_type(pDataBuffer->pNode) == ma_resource_manager_data_supply_type_decoded_paged) {
pDataBuffer->seekToCursorOnNextRead = MA_TRUE;
return MA_BUSY;
}
return result;
}
}
if (ma_resource_manager_data_buffer_node_get_data_supply_type(pDataBuffer->pNode) == ma_resource_manager_data_supply_type_decoded) {
ma_uint64 availableFrames;
isDecodedBufferBusy = (ma_resource_manager_data_buffer_node_result(pDataBuffer->pNode) == MA_BUSY);
if (ma_resource_manager_data_buffer_get_available_frames(pDataBuffer, &availableFrames) == MA_SUCCESS) {
if (isDecodedBufferBusy) {
if (frameCount > availableFrames) {
frameCount = availableFrames;
if (frameCount == 0) {
result = MA_AT_END;
}
} else {
isDecodedBufferBusy = MA_FALSE;
}
} else {
}
}
}
if (frameCount > 0) {
result = ma_data_source_read_pcm_frames(ma_resource_manager_data_buffer_get_connector(pDataBuffer), pFramesOut, frameCount, &framesRead);
}
if (result == MA_AT_END) {
if (ma_resource_manager_data_buffer_node_result(pDataBuffer->pNode) == MA_BUSY) {
result = MA_BUSY;
}
}
if (isDecodedBufferBusy) {
result = MA_BUSY;
}
if (pFramesRead != NULL) {
*pFramesRead = framesRead;
}
if (result == MA_SUCCESS && framesRead == 0) {
result = MA_AT_END;
}
return result;
}
MA_API ma_result ma_resource_manager_data_buffer_seek_to_pcm_frame(ma_resource_manager_data_buffer* pDataBuffer, ma_uint64 frameIndex)
{
ma_result result;
MA_ASSERT(ma_resource_manager_data_buffer_node_result(pDataBuffer->pNode) != MA_UNAVAILABLE);
if (ma_resource_manager_data_buffer_has_connector(pDataBuffer) == MA_FALSE) {
pDataBuffer->seekTargetInPCMFrames = frameIndex;
pDataBuffer->seekToCursorOnNextRead = MA_TRUE;
return MA_BUSY;
}
result = ma_data_source_seek_to_pcm_frame(ma_resource_manager_data_buffer_get_connector(pDataBuffer), frameIndex);
if (result != MA_SUCCESS) {
return result;
}
pDataBuffer->seekTargetInPCMFrames = ~(ma_uint64)0;
pDataBuffer->seekToCursorOnNextRead = MA_FALSE;
return MA_SUCCESS;
}
MA_API ma_result ma_resource_manager_data_buffer_get_data_format(ma_resource_manager_data_buffer* pDataBuffer, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap)
{
MA_ASSERT(ma_resource_manager_data_buffer_node_result(pDataBuffer->pNode) != MA_UNAVAILABLE);
switch (ma_resource_manager_data_buffer_node_get_data_supply_type(pDataBuffer->pNode))
{
case ma_resource_manager_data_supply_type_encoded:
{
return ma_data_source_get_data_format(&pDataBuffer->connector.decoder, pFormat, pChannels, pSampleRate, pChannelMap, channelMapCap);
};
case ma_resource_manager_data_supply_type_decoded:
{
*pFormat = pDataBuffer->pNode->data.backend.decoded.format;
*pChannels = pDataBuffer->pNode->data.backend.decoded.channels;
*pSampleRate = pDataBuffer->pNode->data.backend.decoded.sampleRate;
ma_channel_map_init_standard(ma_standard_channel_map_default, pChannelMap, channelMapCap, pDataBuffer->pNode->data.backend.decoded.channels);
return MA_SUCCESS;
};
case ma_resource_manager_data_supply_type_decoded_paged:
{
*pFormat = pDataBuffer->pNode->data.backend.decodedPaged.data.format;
*pChannels = pDataBuffer->pNode->data.backend.decodedPaged.data.channels;
*pSampleRate = pDataBuffer->pNode->data.backend.decodedPaged.sampleRate;
ma_channel_map_init_standard(ma_standard_channel_map_default, pChannelMap, channelMapCap, pDataBuffer->pNode->data.backend.decoded.channels);
return MA_SUCCESS;
};
case ma_resource_manager_data_supply_type_unknown:
{
return MA_BUSY;
};
default:
{
return MA_INVALID_ARGS;
}
}
}
MA_API ma_result ma_resource_manager_data_buffer_get_cursor_in_pcm_frames(ma_resource_manager_data_buffer* pDataBuffer, ma_uint64* pCursor)
{
if (pDataBuffer == NULL || pCursor == NULL) {
return MA_INVALID_ARGS;
}
MA_ASSERT(ma_resource_manager_data_buffer_node_result(pDataBuffer->pNode) != MA_UNAVAILABLE);
*pCursor = 0;
switch (ma_resource_manager_data_buffer_node_get_data_supply_type(pDataBuffer->pNode))
{
case ma_resource_manager_data_supply_type_encoded:
{
return ma_decoder_get_cursor_in_pcm_frames(&pDataBuffer->connector.decoder, pCursor);
};
case ma_resource_manager_data_supply_type_decoded:
{
return ma_audio_buffer_get_cursor_in_pcm_frames(&pDataBuffer->connector.buffer, pCursor);
};
case ma_resource_manager_data_supply_type_decoded_paged:
{
return ma_paged_audio_buffer_get_cursor_in_pcm_frames(&pDataBuffer->connector.pagedBuffer, pCursor);
};
case ma_resource_manager_data_supply_type_unknown:
{
return MA_BUSY;
};
default:
{
return MA_INVALID_ARGS;
}
}
}
MA_API ma_result ma_resource_manager_data_buffer_get_length_in_pcm_frames(ma_resource_manager_data_buffer* pDataBuffer, ma_uint64* pLength)
{
if (pDataBuffer == NULL || pLength == NULL) {
return MA_INVALID_ARGS;
}
MA_ASSERT(ma_resource_manager_data_buffer_node_result(pDataBuffer->pNode) != MA_UNAVAILABLE);
if (ma_resource_manager_data_buffer_node_get_data_supply_type(pDataBuffer->pNode) == ma_resource_manager_data_supply_type_unknown) {
return MA_BUSY;
}
return ma_data_source_get_length_in_pcm_frames(ma_resource_manager_data_buffer_get_connector(pDataBuffer), pLength);
}
MA_API ma_result ma_resource_manager_data_buffer_result(const ma_resource_manager_data_buffer* pDataBuffer)
{
if (pDataBuffer == NULL) {
return MA_INVALID_ARGS;
}
return (ma_result)ma_atomic_load_i32((ma_result*)&pDataBuffer->result);
}
MA_API ma_result ma_resource_manager_data_buffer_set_looping(ma_resource_manager_data_buffer* pDataBuffer, ma_bool32 isLooping)
{
return ma_data_source_set_looping(pDataBuffer, isLooping);
}
MA_API ma_bool32 ma_resource_manager_data_buffer_is_looping(const ma_resource_manager_data_buffer* pDataBuffer)
{
return ma_data_source_is_looping(pDataBuffer);
}
MA_API ma_result ma_resource_manager_data_buffer_get_available_frames(ma_resource_manager_data_buffer* pDataBuffer, ma_uint64* pAvailableFrames)
{
if (pAvailableFrames == NULL) {
return MA_INVALID_ARGS;
}
*pAvailableFrames = 0;
if (pDataBuffer == NULL) {
return MA_INVALID_ARGS;
}
if (ma_resource_manager_data_buffer_node_get_data_supply_type(pDataBuffer->pNode) == ma_resource_manager_data_supply_type_unknown) {
if (ma_resource_manager_data_buffer_node_result(pDataBuffer->pNode) == MA_BUSY) {
return MA_BUSY;
} else {
return MA_INVALID_OPERATION;
}
}
switch (ma_resource_manager_data_buffer_node_get_data_supply_type(pDataBuffer->pNode))
{
case ma_resource_manager_data_supply_type_encoded:
{
return ma_decoder_get_available_frames(&pDataBuffer->connector.decoder, pAvailableFrames);
};
case ma_resource_manager_data_supply_type_decoded:
{
return ma_audio_buffer_get_available_frames(&pDataBuffer->connector.buffer, pAvailableFrames);
};
case ma_resource_manager_data_supply_type_decoded_paged:
{
ma_uint64 cursor;
ma_paged_audio_buffer_get_cursor_in_pcm_frames(&pDataBuffer->connector.pagedBuffer, &cursor);
if (pDataBuffer->pNode->data.backend.decodedPaged.decodedFrameCount > cursor) {
*pAvailableFrames = pDataBuffer->pNode->data.backend.decodedPaged.decodedFrameCount - cursor;
} else {
*pAvailableFrames = 0;
}
return MA_SUCCESS;
};
case ma_resource_manager_data_supply_type_unknown:
default:
{
return MA_INVALID_ARGS;
}
}
}
MA_API ma_result ma_resource_manager_register_file(ma_resource_manager* pResourceManager, const char* pFilePath, ma_uint32 flags)
{
return ma_resource_manager_data_buffer_node_acquire(pResourceManager, pFilePath, NULL, 0, flags, NULL, NULL, NULL, NULL);
}
MA_API ma_result ma_resource_manager_register_file_w(ma_resource_manager* pResourceManager, const wchar_t* pFilePath, ma_uint32 flags)
{
return ma_resource_manager_data_buffer_node_acquire(pResourceManager, NULL, pFilePath, 0, flags, NULL, NULL, NULL, NULL);
}
static ma_result ma_resource_manager_register_data(ma_resource_manager* pResourceManager, const char* pName, const wchar_t* pNameW, ma_resource_manager_data_supply* pExistingData)
{
return ma_resource_manager_data_buffer_node_acquire(pResourceManager, pName, pNameW, 0, 0, pExistingData, NULL, NULL, NULL);
}
static ma_result ma_resource_manager_register_decoded_data_internal(ma_resource_manager* pResourceManager, const char* pName, const wchar_t* pNameW, const void* pData, ma_uint64 frameCount, ma_format format, ma_uint32 channels, ma_uint32 sampleRate)
{
ma_resource_manager_data_supply data;
data.type = ma_resource_manager_data_supply_type_decoded;
data.backend.decoded.pData = pData;
data.backend.decoded.totalFrameCount = frameCount;
data.backend.decoded.format = format;
data.backend.decoded.channels = channels;
data.backend.decoded.sampleRate = sampleRate;
return ma_resource_manager_register_data(pResourceManager, pName, pNameW, &data);
}
MA_API ma_result ma_resource_manager_register_decoded_data(ma_resource_manager* pResourceManager, const char* pName, const void* pData, ma_uint64 frameCount, ma_format format, ma_uint32 channels, ma_uint32 sampleRate)
{
return ma_resource_manager_register_decoded_data_internal(pResourceManager, pName, NULL, pData, frameCount, format, channels, sampleRate);
}
MA_API ma_result ma_resource_manager_register_decoded_data_w(ma_resource_manager* pResourceManager, const wchar_t* pName, const void* pData, ma_uint64 frameCount, ma_format format, ma_uint32 channels, ma_uint32 sampleRate)
{
return ma_resource_manager_register_decoded_data_internal(pResourceManager, NULL, pName, pData, frameCount, format, channels, sampleRate);
}
static ma_result ma_resource_manager_register_encoded_data_internal(ma_resource_manager* pResourceManager, const char* pName, const wchar_t* pNameW, const void* pData, size_t sizeInBytes)
{
ma_resource_manager_data_supply data;
data.type = ma_resource_manager_data_supply_type_encoded;
data.backend.encoded.pData = pData;
data.backend.encoded.sizeInBytes = sizeInBytes;
return ma_resource_manager_register_data(pResourceManager, pName, pNameW, &data);
}
MA_API ma_result ma_resource_manager_register_encoded_data(ma_resource_manager* pResourceManager, const char* pName, const void* pData, size_t sizeInBytes)
{
return ma_resource_manager_register_encoded_data_internal(pResourceManager, pName, NULL, pData, sizeInBytes);
}
MA_API ma_result ma_resource_manager_register_encoded_data_w(ma_resource_manager* pResourceManager, const wchar_t* pName, const void* pData, size_t sizeInBytes)
{
return ma_resource_manager_register_encoded_data_internal(pResourceManager, NULL, pName, pData, sizeInBytes);
}
MA_API ma_result ma_resource_manager_unregister_file(ma_resource_manager* pResourceManager, const char* pFilePath)
{
return ma_resource_manager_unregister_data(pResourceManager, pFilePath);
}
MA_API ma_result ma_resource_manager_unregister_file_w(ma_resource_manager* pResourceManager, const wchar_t* pFilePath)
{
return ma_resource_manager_unregister_data_w(pResourceManager, pFilePath);
}
MA_API ma_result ma_resource_manager_unregister_data(ma_resource_manager* pResourceManager, const char* pName)
{
return ma_resource_manager_data_buffer_node_unacquire(pResourceManager, NULL, pName, NULL);
}
MA_API ma_result ma_resource_manager_unregister_data_w(ma_resource_manager* pResourceManager, const wchar_t* pName)
{
return ma_resource_manager_data_buffer_node_unacquire(pResourceManager, NULL, NULL, pName);
}
static ma_uint32 ma_resource_manager_data_stream_next_execution_order(ma_resource_manager_data_stream* pDataStream)
{
MA_ASSERT(pDataStream != NULL);
return ma_atomic_fetch_add_32(&pDataStream->executionCounter, 1);
}
static ma_bool32 ma_resource_manager_data_stream_is_decoder_at_end(const ma_resource_manager_data_stream* pDataStream)
{
MA_ASSERT(pDataStream != NULL);
return ma_atomic_load_32((ma_bool32*)&pDataStream->isDecoderAtEnd);
}
static ma_uint32 ma_resource_manager_data_stream_seek_counter(const ma_resource_manager_data_stream* pDataStream)
{
MA_ASSERT(pDataStream != NULL);
return ma_atomic_load_32((ma_uint32*)&pDataStream->seekCounter);
}
static ma_result ma_resource_manager_data_stream_cb__read_pcm_frames(ma_data_source* pDataSource, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
{
return ma_resource_manager_data_stream_read_pcm_frames((ma_resource_manager_data_stream*)pDataSource, pFramesOut, frameCount, pFramesRead);
}
static ma_result ma_resource_manager_data_stream_cb__seek_to_pcm_frame(ma_data_source* pDataSource, ma_uint64 frameIndex)
{
return ma_resource_manager_data_stream_seek_to_pcm_frame((ma_resource_manager_data_stream*)pDataSource, frameIndex);
}
static ma_result ma_resource_manager_data_stream_cb__get_data_format(ma_data_source* pDataSource, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap)
{
return ma_resource_manager_data_stream_get_data_format((ma_resource_manager_data_stream*)pDataSource, pFormat, pChannels, pSampleRate, pChannelMap, channelMapCap);
}
static ma_result ma_resource_manager_data_stream_cb__get_cursor_in_pcm_frames(ma_data_source* pDataSource, ma_uint64* pCursor)
{
return ma_resource_manager_data_stream_get_cursor_in_pcm_frames((ma_resource_manager_data_stream*)pDataSource, pCursor);
}
static ma_result ma_resource_manager_data_stream_cb__get_length_in_pcm_frames(ma_data_source* pDataSource, ma_uint64* pLength)
{
return ma_resource_manager_data_stream_get_length_in_pcm_frames((ma_resource_manager_data_stream*)pDataSource, pLength);
}
static ma_result ma_resource_manager_data_stream_cb__set_looping(ma_data_source* pDataSource, ma_bool32 isLooping)
{
ma_resource_manager_data_stream* pDataStream = (ma_resource_manager_data_stream*)pDataSource;
MA_ASSERT(pDataStream != NULL);
ma_atomic_exchange_32(&pDataStream->isLooping, isLooping);
return MA_SUCCESS;
}
static ma_data_source_vtable g_ma_resource_manager_data_stream_vtable =
{
ma_resource_manager_data_stream_cb__read_pcm_frames,
ma_resource_manager_data_stream_cb__seek_to_pcm_frame,
ma_resource_manager_data_stream_cb__get_data_format,
ma_resource_manager_data_stream_cb__get_cursor_in_pcm_frames,
ma_resource_manager_data_stream_cb__get_length_in_pcm_frames,
ma_resource_manager_data_stream_cb__set_looping,
0
};
static void ma_resource_manager_data_stream_set_absolute_cursor(ma_resource_manager_data_stream* pDataStream, ma_uint64 absoluteCursor)
{
if (absoluteCursor > pDataStream->totalLengthInPCMFrames && pDataStream->totalLengthInPCMFrames > 0) {
absoluteCursor = absoluteCursor % pDataStream->totalLengthInPCMFrames;
}
ma_atomic_exchange_64(&pDataStream->absoluteCursor, absoluteCursor);
}
MA_API ma_result ma_resource_manager_data_stream_init_ex(ma_resource_manager* pResourceManager, const ma_resource_manager_data_source_config* pConfig, ma_resource_manager_data_stream* pDataStream)
{
ma_result result;
ma_data_source_config dataSourceConfig;
char* pFilePathCopy = NULL;
wchar_t* pFilePathWCopy = NULL;
ma_job job;
ma_bool32 waitBeforeReturning = MA_FALSE;
ma_resource_manager_inline_notification waitNotification;
ma_resource_manager_pipeline_notifications notifications;
ma_uint32 flags;
if (pDataStream == NULL) {
if (pConfig != NULL && pConfig->pNotifications != NULL) {
ma_resource_manager_pipeline_notifications_signal_all_notifications(pConfig->pNotifications);
}
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pDataStream);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->pNotifications != NULL) {
notifications = *pConfig->pNotifications;
} else {
MA_ZERO_OBJECT(&notifications);
}
dataSourceConfig = ma_data_source_config_init();
dataSourceConfig.vtable = &g_ma_resource_manager_data_stream_vtable;
result = ma_data_source_init(&dataSourceConfig, &pDataStream->ds);
if (result != MA_SUCCESS) {
ma_resource_manager_pipeline_notifications_signal_all_notifications(&notifications);
return result;
}
flags = pConfig->flags;
if (pConfig->isLooping) {
flags |= MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_LOOPING;
}
pDataStream->pResourceManager = pResourceManager;
pDataStream->flags = pConfig->flags;
pDataStream->result = MA_BUSY;
ma_data_source_set_range_in_pcm_frames(pDataStream, pConfig->rangeBegInPCMFrames, pConfig->rangeEndInPCMFrames);
ma_data_source_set_loop_point_in_pcm_frames(pDataStream, pConfig->loopPointBegInPCMFrames, pConfig->loopPointEndInPCMFrames);
ma_data_source_set_looping(pDataStream, (flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_LOOPING) != 0);
if (pResourceManager == NULL || (pConfig->pFilePath == NULL && pConfig->pFilePathW == NULL)) {
ma_resource_manager_pipeline_notifications_signal_all_notifications(&notifications);
return MA_INVALID_ARGS;
}
if (pConfig->pFilePath != NULL) {
pFilePathCopy = ma_copy_string(pConfig->pFilePath, &pResourceManager->config.allocationCallbacks);
} else {
pFilePathWCopy = ma_copy_string_w(pConfig->pFilePathW, &pResourceManager->config.allocationCallbacks);
}
if (pFilePathCopy == NULL && pFilePathWCopy == NULL) {
ma_resource_manager_pipeline_notifications_signal_all_notifications(&notifications);
return MA_OUT_OF_MEMORY;
}
if ((pConfig->flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_ASYNC) == 0 || (pConfig->flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_WAIT_INIT) != 0) {
waitBeforeReturning = MA_TRUE;
ma_resource_manager_inline_notification_init(pResourceManager, &waitNotification);
}
ma_resource_manager_pipeline_notifications_acquire_all_fences(&notifications);
ma_resource_manager_data_stream_set_absolute_cursor(pDataStream, pConfig->initialSeekPointInPCMFrames);
job = ma_job_init(MA_JOB_TYPE_RESOURCE_MANAGER_LOAD_DATA_STREAM);
job.order = ma_resource_manager_data_stream_next_execution_order(pDataStream);
job.data.resourceManager.loadDataStream.pDataStream = pDataStream;
job.data.resourceManager.loadDataStream.pFilePath = pFilePathCopy;
job.data.resourceManager.loadDataStream.pFilePathW = pFilePathWCopy;
job.data.resourceManager.loadDataStream.initialSeekPoint = pConfig->initialSeekPointInPCMFrames;
job.data.resourceManager.loadDataStream.pInitNotification = (waitBeforeReturning == MA_TRUE) ? &waitNotification : notifications.init.pNotification;
job.data.resourceManager.loadDataStream.pInitFence = notifications.init.pFence;
result = ma_resource_manager_post_job(pResourceManager, &job);
if (result != MA_SUCCESS) {
ma_resource_manager_pipeline_notifications_signal_all_notifications(&notifications);
ma_resource_manager_pipeline_notifications_release_all_fences(&notifications);
if (waitBeforeReturning) {
ma_resource_manager_inline_notification_uninit(&waitNotification);
}
ma_free(pFilePathCopy, &pResourceManager->config.allocationCallbacks);
ma_free(pFilePathWCopy, &pResourceManager->config.allocationCallbacks);
return result;
}
if (waitBeforeReturning) {
ma_resource_manager_inline_notification_wait_and_uninit(&waitNotification);
if (notifications.init.pNotification != NULL) {
ma_async_notification_signal(notifications.init.pNotification);
}
if (pDataStream->result != MA_SUCCESS) {
return pDataStream->result;
}
}
return MA_SUCCESS;
}
MA_API ma_result ma_resource_manager_data_stream_init(ma_resource_manager* pResourceManager, const char* pFilePath, ma_uint32 flags, const ma_resource_manager_pipeline_notifications* pNotifications, ma_resource_manager_data_stream* pDataStream)
{
ma_resource_manager_data_source_config config;
config = ma_resource_manager_data_source_config_init();
config.pFilePath = pFilePath;
config.flags = flags;
config.pNotifications = pNotifications;
return ma_resource_manager_data_stream_init_ex(pResourceManager, &config, pDataStream);
}
MA_API ma_result ma_resource_manager_data_stream_init_w(ma_resource_manager* pResourceManager, const wchar_t* pFilePath, ma_uint32 flags, const ma_resource_manager_pipeline_notifications* pNotifications, ma_resource_manager_data_stream* pDataStream)
{
ma_resource_manager_data_source_config config;
config = ma_resource_manager_data_source_config_init();
config.pFilePathW = pFilePath;
config.flags = flags;
config.pNotifications = pNotifications;
return ma_resource_manager_data_stream_init_ex(pResourceManager, &config, pDataStream);
}
MA_API ma_result ma_resource_manager_data_stream_uninit(ma_resource_manager_data_stream* pDataStream)
{
ma_resource_manager_inline_notification freeEvent;
ma_job job;
if (pDataStream == NULL) {
return MA_INVALID_ARGS;
}
ma_atomic_exchange_i32(&pDataStream->result, MA_UNAVAILABLE);
ma_resource_manager_inline_notification_init(pDataStream->pResourceManager, &freeEvent);
job = ma_job_init(MA_JOB_TYPE_RESOURCE_MANAGER_FREE_DATA_STREAM);
job.order = ma_resource_manager_data_stream_next_execution_order(pDataStream);
job.data.resourceManager.freeDataStream.pDataStream = pDataStream;
job.data.resourceManager.freeDataStream.pDoneNotification = &freeEvent;
job.data.resourceManager.freeDataStream.pDoneFence = NULL;
ma_resource_manager_post_job(pDataStream->pResourceManager, &job);
ma_resource_manager_inline_notification_wait_and_uninit(&freeEvent);
return MA_SUCCESS;
}
static ma_uint32 ma_resource_manager_data_stream_get_page_size_in_frames(ma_resource_manager_data_stream* pDataStream)
{
MA_ASSERT(pDataStream != NULL);
MA_ASSERT(pDataStream->isDecoderInitialized == MA_TRUE);
return MA_RESOURCE_MANAGER_PAGE_SIZE_IN_MILLISECONDS * (pDataStream->decoder.outputSampleRate/1000);
}
static void* ma_resource_manager_data_stream_get_page_data_pointer(ma_resource_manager_data_stream* pDataStream, ma_uint32 pageIndex, ma_uint32 relativeCursor)
{
MA_ASSERT(pDataStream != NULL);
MA_ASSERT(pDataStream->isDecoderInitialized == MA_TRUE);
MA_ASSERT(pageIndex == 0 || pageIndex == 1);
return ma_offset_ptr(pDataStream->pPageData, ((ma_resource_manager_data_stream_get_page_size_in_frames(pDataStream) * pageIndex) + relativeCursor) * ma_get_bytes_per_frame(pDataStream->decoder.outputFormat, pDataStream->decoder.outputChannels));
}
static void ma_resource_manager_data_stream_fill_page(ma_resource_manager_data_stream* pDataStream, ma_uint32 pageIndex)
{
ma_result result = MA_SUCCESS;
ma_uint64 pageSizeInFrames;
ma_uint64 totalFramesReadForThisPage = 0;
void* pPageData = ma_resource_manager_data_stream_get_page_data_pointer(pDataStream, pageIndex, 0);
pageSizeInFrames = ma_resource_manager_data_stream_get_page_size_in_frames(pDataStream);
{
ma_uint64 rangeBeg;
ma_uint64 rangeEnd;
ma_uint64 loopPointBeg;
ma_uint64 loopPointEnd;
ma_data_source_set_looping(&pDataStream->decoder, ma_resource_manager_data_stream_is_looping(pDataStream));
ma_data_source_get_range_in_pcm_frames(pDataStream, &rangeBeg, &rangeEnd);
ma_data_source_set_range_in_pcm_frames(&pDataStream->decoder, rangeBeg, rangeEnd);
ma_data_source_get_loop_point_in_pcm_frames(pDataStream, &loopPointBeg, &loopPointEnd);
ma_data_source_set_loop_point_in_pcm_frames(&pDataStream->decoder, loopPointBeg, loopPointEnd);
}
result = ma_data_source_read_pcm_frames(&pDataStream->decoder, pPageData, pageSizeInFrames, &totalFramesReadForThisPage);
if (result == MA_AT_END || totalFramesReadForThisPage < pageSizeInFrames) {
ma_atomic_exchange_32(&pDataStream->isDecoderAtEnd, MA_TRUE);
}
ma_atomic_exchange_32(&pDataStream->pageFrameCount[pageIndex], (ma_uint32)totalFramesReadForThisPage);
ma_atomic_exchange_32(&pDataStream->isPageValid[pageIndex], MA_TRUE);
}
static void ma_resource_manager_data_stream_fill_pages(ma_resource_manager_data_stream* pDataStream)
{
ma_uint32 iPage;
MA_ASSERT(pDataStream != NULL);
for (iPage = 0; iPage < 2; iPage += 1) {
ma_resource_manager_data_stream_fill_page(pDataStream, iPage);
}
}
static ma_result ma_resource_manager_data_stream_map(ma_resource_manager_data_stream* pDataStream, void** ppFramesOut, ma_uint64* pFrameCount)
{
ma_uint64 framesAvailable;
ma_uint64 frameCount = 0;
MA_ASSERT(ma_resource_manager_data_stream_result(pDataStream) != MA_UNAVAILABLE);
if (pFrameCount != NULL) {
frameCount = *pFrameCount;
*pFrameCount = 0;
}
if (ppFramesOut != NULL) {
*ppFramesOut = NULL;
}
if (pDataStream == NULL || ppFramesOut == NULL || pFrameCount == NULL) {
return MA_INVALID_ARGS;
}
if (ma_resource_manager_data_stream_result(pDataStream) != MA_SUCCESS) {
return MA_INVALID_OPERATION;
}
if (ma_resource_manager_data_stream_seek_counter(pDataStream) > 0) {
return MA_BUSY;
}
if (ma_atomic_load_32(&pDataStream->isPageValid[pDataStream->currentPageIndex]) == MA_FALSE) {
framesAvailable = 0;
} else {
ma_uint32 currentPageFrameCount = ma_atomic_load_32(&pDataStream->pageFrameCount[pDataStream->currentPageIndex]);
MA_ASSERT(currentPageFrameCount >= pDataStream->relativeCursor);
framesAvailable = currentPageFrameCount - pDataStream->relativeCursor;
}
if (framesAvailable == 0) {
if (ma_resource_manager_data_stream_is_decoder_at_end(pDataStream)) {
return MA_AT_END;
} else {
return MA_BUSY;
}
}
MA_ASSERT(framesAvailable > 0);
if (frameCount > framesAvailable) {
frameCount = framesAvailable;
}
*ppFramesOut = ma_resource_manager_data_stream_get_page_data_pointer(pDataStream, pDataStream->currentPageIndex, pDataStream->relativeCursor);
*pFrameCount = frameCount;
return MA_SUCCESS;
}
static ma_result ma_resource_manager_data_stream_unmap(ma_resource_manager_data_stream* pDataStream, ma_uint64 frameCount)
{
ma_uint32 newRelativeCursor;
ma_uint32 pageSizeInFrames;
ma_job job;
MA_ASSERT(ma_resource_manager_data_stream_result(pDataStream) != MA_UNAVAILABLE);
if (pDataStream == NULL) {
return MA_INVALID_ARGS;
}
if (ma_resource_manager_data_stream_result(pDataStream) != MA_SUCCESS) {
return MA_INVALID_OPERATION;
}
if (frameCount > 0xFFFFFFFF) {
return MA_INVALID_ARGS;
}
pageSizeInFrames = ma_resource_manager_data_stream_get_page_size_in_frames(pDataStream);
ma_resource_manager_data_stream_set_absolute_cursor(pDataStream, ma_atomic_load_64(&pDataStream->absoluteCursor) + frameCount);
newRelativeCursor = pDataStream->relativeCursor + (ma_uint32)frameCount;
if (newRelativeCursor >= pageSizeInFrames) {
newRelativeCursor -= pageSizeInFrames;
job = ma_job_init(MA_JOB_TYPE_RESOURCE_MANAGER_PAGE_DATA_STREAM);
job.order = ma_resource_manager_data_stream_next_execution_order(pDataStream);
job.data.resourceManager.pageDataStream.pDataStream = pDataStream;
job.data.resourceManager.pageDataStream.pageIndex = pDataStream->currentPageIndex;
ma_atomic_exchange_32(&pDataStream->isPageValid[pDataStream->currentPageIndex], MA_FALSE);
pDataStream->relativeCursor = newRelativeCursor;
pDataStream->currentPageIndex = (pDataStream->currentPageIndex + 1) & 0x01;
return ma_resource_manager_post_job(pDataStream->pResourceManager, &job);
} else {
pDataStream->relativeCursor = newRelativeCursor;
return MA_SUCCESS;
}
}
MA_API ma_result ma_resource_manager_data_stream_read_pcm_frames(ma_resource_manager_data_stream* pDataStream, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
{
ma_result result = MA_SUCCESS;
ma_uint64 totalFramesProcessed;
ma_format format;
ma_uint32 channels;
if (pFramesRead != NULL) {
*pFramesRead = 0;
}
if (frameCount == 0) {
return MA_INVALID_ARGS;
}
MA_ASSERT(ma_resource_manager_data_stream_result(pDataStream) != MA_UNAVAILABLE);
if (pDataStream == NULL) {
return MA_INVALID_ARGS;
}
if (ma_resource_manager_data_stream_result(pDataStream) != MA_SUCCESS) {
return MA_INVALID_OPERATION;
}
if (ma_resource_manager_data_stream_seek_counter(pDataStream) > 0) {
return MA_BUSY;
}
ma_resource_manager_data_stream_get_data_format(pDataStream, &format, &channels, NULL, NULL, 0);
totalFramesProcessed = 0;
while (totalFramesProcessed < frameCount) {
void* pMappedFrames;
ma_uint64 mappedFrameCount;
mappedFrameCount = frameCount - totalFramesProcessed;
result = ma_resource_manager_data_stream_map(pDataStream, &pMappedFrames, &mappedFrameCount);
if (result != MA_SUCCESS) {
break;
}
if (pFramesOut != NULL) {
ma_copy_pcm_frames(ma_offset_pcm_frames_ptr(pFramesOut, totalFramesProcessed, format, channels), pMappedFrames, mappedFrameCount, format, channels);
}
totalFramesProcessed += mappedFrameCount;
result = ma_resource_manager_data_stream_unmap(pDataStream, mappedFrameCount);
if (result != MA_SUCCESS) {
break;
}
}
if (pFramesRead != NULL) {
*pFramesRead = totalFramesProcessed;
}
if (result == MA_SUCCESS && totalFramesProcessed == 0) {
result = MA_AT_END;
}
return result;
}
MA_API ma_result ma_resource_manager_data_stream_seek_to_pcm_frame(ma_resource_manager_data_stream* pDataStream, ma_uint64 frameIndex)
{
ma_job job;
ma_result streamResult;
streamResult = ma_resource_manager_data_stream_result(pDataStream);
MA_ASSERT(streamResult != MA_UNAVAILABLE);
if (pDataStream == NULL) {
return MA_INVALID_ARGS;
}
if (streamResult != MA_SUCCESS && streamResult != MA_BUSY) {
return MA_INVALID_OPERATION;
}
if (ma_atomic_load_32(&pDataStream->seekCounter) == 0) {
if (ma_atomic_load_64(&pDataStream->absoluteCursor) == frameIndex) {
return MA_SUCCESS;
}
}
ma_atomic_fetch_add_32(&pDataStream->seekCounter, 1);
ma_resource_manager_data_stream_set_absolute_cursor(pDataStream, frameIndex);
pDataStream->relativeCursor = 0;
pDataStream->currentPageIndex = 0;
ma_atomic_exchange_32(&pDataStream->isPageValid[0], MA_FALSE);
ma_atomic_exchange_32(&pDataStream->isPageValid[1], MA_FALSE);
ma_atomic_exchange_32(&pDataStream->isDecoderAtEnd, MA_FALSE);
job = ma_job_init(MA_JOB_TYPE_RESOURCE_MANAGER_SEEK_DATA_STREAM);
job.order = ma_resource_manager_data_stream_next_execution_order(pDataStream);
job.data.resourceManager.seekDataStream.pDataStream = pDataStream;
job.data.resourceManager.seekDataStream.frameIndex = frameIndex;
return ma_resource_manager_post_job(pDataStream->pResourceManager, &job);
}
MA_API ma_result ma_resource_manager_data_stream_get_data_format(ma_resource_manager_data_stream* pDataStream, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap)
{
MA_ASSERT(ma_resource_manager_data_stream_result(pDataStream) != MA_UNAVAILABLE);
if (pFormat != NULL) {
*pFormat = ma_format_unknown;
}
if (pChannels != NULL) {
*pChannels = 0;
}
if (pSampleRate != NULL) {
*pSampleRate = 0;
}
if (pChannelMap != NULL) {
MA_ZERO_MEMORY(pChannelMap, sizeof(*pChannelMap) * channelMapCap);
}
if (pDataStream == NULL) {
return MA_INVALID_ARGS;
}
if (ma_resource_manager_data_stream_result(pDataStream) != MA_SUCCESS) {
return MA_INVALID_OPERATION;
}
return ma_data_source_get_data_format(&pDataStream->decoder, pFormat, pChannels, pSampleRate, pChannelMap, channelMapCap);
}
MA_API ma_result ma_resource_manager_data_stream_get_cursor_in_pcm_frames(ma_resource_manager_data_stream* pDataStream, ma_uint64* pCursor)
{
ma_result result;
if (pCursor == NULL) {
return MA_INVALID_ARGS;
}
*pCursor = 0;
MA_ASSERT(ma_resource_manager_data_stream_result(pDataStream) != MA_UNAVAILABLE);
if (pDataStream == NULL) {
return MA_INVALID_ARGS;
}
result = ma_resource_manager_data_stream_result(pDataStream);
if (result != MA_SUCCESS && result != MA_BUSY) {
return MA_INVALID_OPERATION;
}
*pCursor = ma_atomic_load_64(&pDataStream->absoluteCursor);
return MA_SUCCESS;
}
MA_API ma_result ma_resource_manager_data_stream_get_length_in_pcm_frames(ma_resource_manager_data_stream* pDataStream, ma_uint64* pLength)
{
ma_result streamResult;
if (pLength == NULL) {
return MA_INVALID_ARGS;
}
*pLength = 0;
streamResult = ma_resource_manager_data_stream_result(pDataStream);
MA_ASSERT(streamResult != MA_UNAVAILABLE);
if (pDataStream == NULL) {
return MA_INVALID_ARGS;
}
if (streamResult != MA_SUCCESS) {
return streamResult;
}
*pLength = pDataStream->totalLengthInPCMFrames;
if (*pLength == 0) {
return MA_NOT_IMPLEMENTED;
}
return MA_SUCCESS;
}
MA_API ma_result ma_resource_manager_data_stream_result(const ma_resource_manager_data_stream* pDataStream)
{
if (pDataStream == NULL) {
return MA_INVALID_ARGS;
}
return (ma_result)ma_atomic_load_i32(&pDataStream->result);
}
MA_API ma_result ma_resource_manager_data_stream_set_looping(ma_resource_manager_data_stream* pDataStream, ma_bool32 isLooping)
{
return ma_data_source_set_looping(pDataStream, isLooping);
}
MA_API ma_bool32 ma_resource_manager_data_stream_is_looping(const ma_resource_manager_data_stream* pDataStream)
{
if (pDataStream == NULL) {
return MA_FALSE;
}
return ma_atomic_load_32((ma_bool32*)&pDataStream->isLooping);
}
MA_API ma_result ma_resource_manager_data_stream_get_available_frames(ma_resource_manager_data_stream* pDataStream, ma_uint64* pAvailableFrames)
{
ma_uint32 pageIndex0;
ma_uint32 pageIndex1;
ma_uint32 relativeCursor;
ma_uint64 availableFrames;
if (pAvailableFrames == NULL) {
return MA_INVALID_ARGS;
}
*pAvailableFrames = 0;
if (pDataStream == NULL) {
return MA_INVALID_ARGS;
}
pageIndex0 = pDataStream->currentPageIndex;
pageIndex1 = (pDataStream->currentPageIndex + 1) & 0x01;
relativeCursor = pDataStream->relativeCursor;
availableFrames = 0;
if (ma_atomic_load_32(&pDataStream->isPageValid[pageIndex0])) {
availableFrames += ma_atomic_load_32(&pDataStream->pageFrameCount[pageIndex0]) - relativeCursor;
if (ma_atomic_load_32(&pDataStream->isPageValid[pageIndex1])) {
availableFrames += ma_atomic_load_32(&pDataStream->pageFrameCount[pageIndex1]);
}
}
*pAvailableFrames = availableFrames;
return MA_SUCCESS;
}
static ma_result ma_resource_manager_data_source_preinit(ma_resource_manager* pResourceManager, const ma_resource_manager_data_source_config* pConfig, ma_resource_manager_data_source* pDataSource)
{
if (pDataSource == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pDataSource);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pResourceManager == NULL) {
return MA_INVALID_ARGS;
}
pDataSource->flags = pConfig->flags;
if (pConfig->isLooping) {
pDataSource->flags |= MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_LOOPING;
}
return MA_SUCCESS;
}
MA_API ma_result ma_resource_manager_data_source_init_ex(ma_resource_manager* pResourceManager, const ma_resource_manager_data_source_config* pConfig, ma_resource_manager_data_source* pDataSource)
{
ma_result result;
result = ma_resource_manager_data_source_preinit(pResourceManager, pConfig, pDataSource);
if (result != MA_SUCCESS) {
return result;
}
if ((pConfig->flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_STREAM) != 0) {
return ma_resource_manager_data_stream_init_ex(pResourceManager, pConfig, &pDataSource->backend.stream);
} else {
return ma_resource_manager_data_buffer_init_ex(pResourceManager, pConfig, &pDataSource->backend.buffer);
}
}
MA_API ma_result ma_resource_manager_data_source_init(ma_resource_manager* pResourceManager, const char* pName, ma_uint32 flags, const ma_resource_manager_pipeline_notifications* pNotifications, ma_resource_manager_data_source* pDataSource)
{
ma_resource_manager_data_source_config config;
config = ma_resource_manager_data_source_config_init();
config.pFilePath = pName;
config.flags = flags;
config.pNotifications = pNotifications;
return ma_resource_manager_data_source_init_ex(pResourceManager, &config, pDataSource);
}
MA_API ma_result ma_resource_manager_data_source_init_w(ma_resource_manager* pResourceManager, const wchar_t* pName, ma_uint32 flags, const ma_resource_manager_pipeline_notifications* pNotifications, ma_resource_manager_data_source* pDataSource)
{
ma_resource_manager_data_source_config config;
config = ma_resource_manager_data_source_config_init();
config.pFilePathW = pName;
config.flags = flags;
config.pNotifications = pNotifications;
return ma_resource_manager_data_source_init_ex(pResourceManager, &config, pDataSource);
}
MA_API ma_result ma_resource_manager_data_source_init_copy(ma_resource_manager* pResourceManager, const ma_resource_manager_data_source* pExistingDataSource, ma_resource_manager_data_source* pDataSource)
{
ma_result result;
ma_resource_manager_data_source_config config;
if (pExistingDataSource == NULL) {
return MA_INVALID_ARGS;
}
config = ma_resource_manager_data_source_config_init();
config.flags = pExistingDataSource->flags;
result = ma_resource_manager_data_source_preinit(pResourceManager, &config, pDataSource);
if (result != MA_SUCCESS) {
return result;
}
if ((pExistingDataSource->flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_STREAM) != 0) {
return MA_INVALID_OPERATION;
}
return ma_resource_manager_data_buffer_init_copy(pResourceManager, &pExistingDataSource->backend.buffer, &pDataSource->backend.buffer);
}
MA_API ma_result ma_resource_manager_data_source_uninit(ma_resource_manager_data_source* pDataSource)
{
if (pDataSource == NULL) {
return MA_INVALID_ARGS;
}
if ((pDataSource->flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_STREAM) != 0) {
return ma_resource_manager_data_stream_uninit(&pDataSource->backend.stream);
} else {
return ma_resource_manager_data_buffer_uninit(&pDataSource->backend.buffer);
}
}
MA_API ma_result ma_resource_manager_data_source_read_pcm_frames(ma_resource_manager_data_source* pDataSource, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
{
if (pFramesRead != NULL) {
*pFramesRead = 0;
}
if (pDataSource == NULL) {
return MA_INVALID_ARGS;
}
if ((pDataSource->flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_STREAM) != 0) {
return ma_resource_manager_data_stream_read_pcm_frames(&pDataSource->backend.stream, pFramesOut, frameCount, pFramesRead);
} else {
return ma_resource_manager_data_buffer_read_pcm_frames(&pDataSource->backend.buffer, pFramesOut, frameCount, pFramesRead);
}
}
MA_API ma_result ma_resource_manager_data_source_seek_to_pcm_frame(ma_resource_manager_data_source* pDataSource, ma_uint64 frameIndex)
{
if (pDataSource == NULL) {
return MA_INVALID_ARGS;
}
if ((pDataSource->flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_STREAM) != 0) {
return ma_resource_manager_data_stream_seek_to_pcm_frame(&pDataSource->backend.stream, frameIndex);
} else {
return ma_resource_manager_data_buffer_seek_to_pcm_frame(&pDataSource->backend.buffer, frameIndex);
}
}
MA_API ma_result ma_resource_manager_data_source_map(ma_resource_manager_data_source* pDataSource, void** ppFramesOut, ma_uint64* pFrameCount)
{
if (pDataSource == NULL) {
return MA_INVALID_ARGS;
}
if ((pDataSource->flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_STREAM) != 0) {
return ma_resource_manager_data_stream_map(&pDataSource->backend.stream, ppFramesOut, pFrameCount);
} else {
return MA_NOT_IMPLEMENTED;
}
}
MA_API ma_result ma_resource_manager_data_source_unmap(ma_resource_manager_data_source* pDataSource, ma_uint64 frameCount)
{
if (pDataSource == NULL) {
return MA_INVALID_ARGS;
}
if ((pDataSource->flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_STREAM) != 0) {
return ma_resource_manager_data_stream_unmap(&pDataSource->backend.stream, frameCount);
} else {
return MA_NOT_IMPLEMENTED;
}
}
MA_API ma_result ma_resource_manager_data_source_get_data_format(ma_resource_manager_data_source* pDataSource, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap)
{
if (pDataSource == NULL) {
return MA_INVALID_ARGS;
}
if ((pDataSource->flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_STREAM) != 0) {
return ma_resource_manager_data_stream_get_data_format(&pDataSource->backend.stream, pFormat, pChannels, pSampleRate, pChannelMap, channelMapCap);
} else {
return ma_resource_manager_data_buffer_get_data_format(&pDataSource->backend.buffer, pFormat, pChannels, pSampleRate, pChannelMap, channelMapCap);
}
}
MA_API ma_result ma_resource_manager_data_source_get_cursor_in_pcm_frames(ma_resource_manager_data_source* pDataSource, ma_uint64* pCursor)
{
if (pDataSource == NULL) {
return MA_INVALID_ARGS;
}
if ((pDataSource->flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_STREAM) != 0) {
return ma_resource_manager_data_stream_get_cursor_in_pcm_frames(&pDataSource->backend.stream, pCursor);
} else {
return ma_resource_manager_data_buffer_get_cursor_in_pcm_frames(&pDataSource->backend.buffer, pCursor);
}
}
MA_API ma_result ma_resource_manager_data_source_get_length_in_pcm_frames(ma_resource_manager_data_source* pDataSource, ma_uint64* pLength)
{
if (pDataSource == NULL) {
return MA_INVALID_ARGS;
}
if ((pDataSource->flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_STREAM) != 0) {
return ma_resource_manager_data_stream_get_length_in_pcm_frames(&pDataSource->backend.stream, pLength);
} else {
return ma_resource_manager_data_buffer_get_length_in_pcm_frames(&pDataSource->backend.buffer, pLength);
}
}
MA_API ma_result ma_resource_manager_data_source_result(const ma_resource_manager_data_source* pDataSource)
{
if (pDataSource == NULL) {
return MA_INVALID_ARGS;
}
if ((pDataSource->flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_STREAM) != 0) {
return ma_resource_manager_data_stream_result(&pDataSource->backend.stream);
} else {
return ma_resource_manager_data_buffer_result(&pDataSource->backend.buffer);
}
}
MA_API ma_result ma_resource_manager_data_source_set_looping(ma_resource_manager_data_source* pDataSource, ma_bool32 isLooping)
{
if (pDataSource == NULL) {
return MA_INVALID_ARGS;
}
if ((pDataSource->flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_STREAM) != 0) {
return ma_resource_manager_data_stream_set_looping(&pDataSource->backend.stream, isLooping);
} else {
return ma_resource_manager_data_buffer_set_looping(&pDataSource->backend.buffer, isLooping);
}
}
MA_API ma_bool32 ma_resource_manager_data_source_is_looping(const ma_resource_manager_data_source* pDataSource)
{
if (pDataSource == NULL) {
return MA_FALSE;
}
if ((pDataSource->flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_STREAM) != 0) {
return ma_resource_manager_data_stream_is_looping(&pDataSource->backend.stream);
} else {
return ma_resource_manager_data_buffer_is_looping(&pDataSource->backend.buffer);
}
}
MA_API ma_result ma_resource_manager_data_source_get_available_frames(ma_resource_manager_data_source* pDataSource, ma_uint64* pAvailableFrames)
{
if (pAvailableFrames == NULL) {
return MA_INVALID_ARGS;
}
*pAvailableFrames = 0;
if (pDataSource == NULL) {
return MA_INVALID_ARGS;
}
if ((pDataSource->flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_STREAM) != 0) {
return ma_resource_manager_data_stream_get_available_frames(&pDataSource->backend.stream, pAvailableFrames);
} else {
return ma_resource_manager_data_buffer_get_available_frames(&pDataSource->backend.buffer, pAvailableFrames);
}
}
MA_API ma_result ma_resource_manager_post_job(ma_resource_manager* pResourceManager, const ma_job* pJob)
{
if (pResourceManager == NULL) {
return MA_INVALID_ARGS;
}
return ma_job_queue_post(&pResourceManager->jobQueue, pJob);
}
MA_API ma_result ma_resource_manager_post_job_quit(ma_resource_manager* pResourceManager)
{
ma_job job = ma_job_init(MA_JOB_TYPE_QUIT);
return ma_resource_manager_post_job(pResourceManager, &job);
}
MA_API ma_result ma_resource_manager_next_job(ma_resource_manager* pResourceManager, ma_job* pJob)
{
if (pResourceManager == NULL) {
return MA_INVALID_ARGS;
}
return ma_job_queue_next(&pResourceManager->jobQueue, pJob);
}
static ma_result ma_job_process__resource_manager__load_data_buffer_node(ma_job* pJob)
{
ma_result result = MA_SUCCESS;
ma_resource_manager* pResourceManager;
ma_resource_manager_data_buffer_node* pDataBufferNode;
MA_ASSERT(pJob != NULL);
pResourceManager = (ma_resource_manager*)pJob->data.resourceManager.loadDataBufferNode.pResourceManager;
MA_ASSERT(pResourceManager != NULL);
pDataBufferNode = (ma_resource_manager_data_buffer_node*)pJob->data.resourceManager.loadDataBufferNode.pDataBufferNode;
MA_ASSERT(pDataBufferNode != NULL);
MA_ASSERT(pDataBufferNode->isDataOwnedByResourceManager == MA_TRUE);
if (pJob->order != ma_atomic_load_32(&pDataBufferNode->executionPointer)) {
return ma_resource_manager_post_job(pResourceManager, pJob);
}
if (ma_resource_manager_data_buffer_node_result(pDataBufferNode) != MA_BUSY) {
result = ma_resource_manager_data_buffer_node_result(pDataBufferNode);
goto done;
}
if ((pJob->data.resourceManager.loadDataBufferNode.flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_DECODE) != 0) {
ma_decoder* pDecoder;
ma_job pageDataBufferNodeJob;
result = ma_resource_manager_data_buffer_node_init_supply_decoded(pResourceManager, pDataBufferNode, pJob->data.resourceManager.loadDataBufferNode.pFilePath, pJob->data.resourceManager.loadDataBufferNode.pFilePathW, pJob->data.resourceManager.loadDataBufferNode.flags, &pDecoder);
if (result == MA_BUSY) {
result = MA_ERROR;
}
if (result != MA_SUCCESS) {
if (pJob->data.resourceManager.loadDataBufferNode.pFilePath != NULL) {
ma_log_postf(ma_resource_manager_get_log(pResourceManager), MA_LOG_LEVEL_WARNING, "Failed to initialize data supply for \"%s\". %s.\n", pJob->data.resourceManager.loadDataBufferNode.pFilePath, ma_result_description(result));
} else {
#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(_MSC_VER)
ma_log_postf(ma_resource_manager_get_log(pResourceManager), MA_LOG_LEVEL_WARNING, "Failed to initialize data supply for \"%ls\", %s.\n", pJob->data.resourceManager.loadDataBufferNode.pFilePathW, ma_result_description(result));
#endif
}
goto done;
}
pageDataBufferNodeJob = ma_job_init(MA_JOB_TYPE_RESOURCE_MANAGER_PAGE_DATA_BUFFER_NODE);
pageDataBufferNodeJob.order = ma_resource_manager_data_buffer_node_next_execution_order(pDataBufferNode);
pageDataBufferNodeJob.data.resourceManager.pageDataBufferNode.pResourceManager = pResourceManager;
pageDataBufferNodeJob.data.resourceManager.pageDataBufferNode.pDataBufferNode = pDataBufferNode;
pageDataBufferNodeJob.data.resourceManager.pageDataBufferNode.pDecoder = pDecoder;
pageDataBufferNodeJob.data.resourceManager.pageDataBufferNode.pDoneNotification = pJob->data.resourceManager.loadDataBufferNode.pDoneNotification;
pageDataBufferNodeJob.data.resourceManager.pageDataBufferNode.pDoneFence = pJob->data.resourceManager.loadDataBufferNode.pDoneFence;
result = ma_resource_manager_post_job(pResourceManager, &pageDataBufferNodeJob);
if (result != MA_SUCCESS) {
ma_log_postf(ma_resource_manager_get_log(pResourceManager), MA_LOG_LEVEL_ERROR, "Failed to post MA_JOB_TYPE_RESOURCE_MANAGER_PAGE_DATA_BUFFER_NODE job. %s\n", ma_result_description(result));
ma_decoder_uninit(pDecoder);
ma_free(pDecoder, &pResourceManager->config.allocationCallbacks);
} else {
result = MA_BUSY;
}
} else {
result = ma_resource_manager_data_buffer_node_init_supply_encoded(pResourceManager, pDataBufferNode, pJob->data.resourceManager.loadDataBufferNode.pFilePath, pJob->data.resourceManager.loadDataBufferNode.pFilePathW);
}
done:
ma_free(pJob->data.resourceManager.loadDataBufferNode.pFilePath, &pResourceManager->config.allocationCallbacks);
ma_free(pJob->data.resourceManager.loadDataBufferNode.pFilePathW, &pResourceManager->config.allocationCallbacks);
ma_atomic_compare_and_swap_i32(&pDataBufferNode->result, MA_BUSY, result);
if (pJob->data.resourceManager.loadDataBufferNode.pInitNotification != NULL) {
ma_async_notification_signal(pJob->data.resourceManager.loadDataBufferNode.pInitNotification);
}
if (pJob->data.resourceManager.loadDataBufferNode.pInitFence != NULL) {
ma_fence_release(pJob->data.resourceManager.loadDataBufferNode.pInitFence);
}
if (result != MA_BUSY) {
if (pJob->data.resourceManager.loadDataBufferNode.pDoneNotification != NULL) {
ma_async_notification_signal(pJob->data.resourceManager.loadDataBufferNode.pDoneNotification);
}
if (pJob->data.resourceManager.loadDataBufferNode.pDoneFence != NULL) {
ma_fence_release(pJob->data.resourceManager.loadDataBufferNode.pDoneFence);
}
}
ma_atomic_fetch_add_32(&pDataBufferNode->executionPointer, 1);
if (result == MA_BUSY) {
result = MA_SUCCESS;
}
return result;
}
static ma_result ma_job_process__resource_manager__free_data_buffer_node(ma_job* pJob)
{
ma_resource_manager* pResourceManager;
ma_resource_manager_data_buffer_node* pDataBufferNode;
MA_ASSERT(pJob != NULL);
pResourceManager = (ma_resource_manager*)pJob->data.resourceManager.freeDataBufferNode.pResourceManager;
MA_ASSERT(pResourceManager != NULL);
pDataBufferNode = (ma_resource_manager_data_buffer_node*)pJob->data.resourceManager.freeDataBufferNode.pDataBufferNode;
MA_ASSERT(pDataBufferNode != NULL);
if (pJob->order != ma_atomic_load_32(&pDataBufferNode->executionPointer)) {
return ma_resource_manager_post_job(pResourceManager, pJob);
}
if (pJob->data.resourceManager.freeDataBufferNode.pDoneNotification != NULL) {
ma_async_notification_signal(pJob->data.resourceManager.freeDataBufferNode.pDoneNotification);
}
if (pJob->data.resourceManager.freeDataBufferNode.pDoneFence != NULL) {
ma_fence_release(pJob->data.resourceManager.freeDataBufferNode.pDoneFence);
}
ma_atomic_fetch_add_32(&pDataBufferNode->executionPointer, 1);
ma_resource_manager_data_buffer_node_free(pResourceManager, pDataBufferNode);
return MA_SUCCESS;
}
static ma_result ma_job_process__resource_manager__page_data_buffer_node(ma_job* pJob)
{
ma_result result = MA_SUCCESS;
ma_resource_manager* pResourceManager;
ma_resource_manager_data_buffer_node* pDataBufferNode;
MA_ASSERT(pJob != NULL);
pResourceManager = (ma_resource_manager*)pJob->data.resourceManager.pageDataBufferNode.pResourceManager;
MA_ASSERT(pResourceManager != NULL);
pDataBufferNode = (ma_resource_manager_data_buffer_node*)pJob->data.resourceManager.pageDataBufferNode.pDataBufferNode;
MA_ASSERT(pDataBufferNode != NULL);
if (pJob->order != ma_atomic_load_32(&pDataBufferNode->executionPointer)) {
return ma_resource_manager_post_job(pResourceManager, pJob);
}
result = ma_resource_manager_data_buffer_node_result(pDataBufferNode);
if (result != MA_BUSY) {
goto done;
}
result = ma_resource_manager_data_buffer_node_decode_next_page(pResourceManager, pDataBufferNode, (ma_decoder*)pJob->data.resourceManager.pageDataBufferNode.pDecoder);
if (result == MA_SUCCESS) {
ma_job newJob;
newJob = *pJob;
newJob.order = ma_resource_manager_data_buffer_node_next_execution_order(pDataBufferNode);
result = ma_resource_manager_post_job(pResourceManager, &newJob);
if (result == MA_SUCCESS) {
result = MA_BUSY;
}
}
done:
if (result != MA_BUSY) {
ma_decoder_uninit((ma_decoder*)pJob->data.resourceManager.pageDataBufferNode.pDecoder);
ma_free(pJob->data.resourceManager.pageDataBufferNode.pDecoder, &pResourceManager->config.allocationCallbacks);
}
if (result == MA_AT_END) {
result = MA_SUCCESS;
}
ma_atomic_compare_and_swap_i32(&pDataBufferNode->result, MA_BUSY, result);
if (result != MA_BUSY) {
if (pJob->data.resourceManager.pageDataBufferNode.pDoneNotification != NULL) {
ma_async_notification_signal(pJob->data.resourceManager.pageDataBufferNode.pDoneNotification);
}
if (pJob->data.resourceManager.pageDataBufferNode.pDoneFence != NULL) {
ma_fence_release(pJob->data.resourceManager.pageDataBufferNode.pDoneFence);
}
}
ma_atomic_fetch_add_32(&pDataBufferNode->executionPointer, 1);
return result;
}
static ma_result ma_job_process__resource_manager__load_data_buffer(ma_job* pJob)
{
ma_result result = MA_SUCCESS;
ma_resource_manager* pResourceManager;
ma_resource_manager_data_buffer* pDataBuffer;
ma_resource_manager_data_supply_type dataSupplyType = ma_resource_manager_data_supply_type_unknown;
ma_bool32 isConnectorInitialized = MA_FALSE;
MA_ASSERT(pJob != NULL);
pDataBuffer = (ma_resource_manager_data_buffer*)pJob->data.resourceManager.loadDataBuffer.pDataBuffer;
MA_ASSERT(pDataBuffer != NULL);
pResourceManager = pDataBuffer->pResourceManager;
if (pJob->order != ma_atomic_load_32(&pDataBuffer->executionPointer)) {
return ma_resource_manager_post_job(pResourceManager, pJob);
}
result = ma_resource_manager_data_buffer_result(pDataBuffer);
if (result != MA_BUSY) {
goto done;
} else {
result = MA_SUCCESS;
(void)result;
}
isConnectorInitialized = ma_resource_manager_data_buffer_has_connector(pDataBuffer);
if (isConnectorInitialized == MA_FALSE) {
dataSupplyType = ma_resource_manager_data_buffer_node_get_data_supply_type(pDataBuffer->pNode);
if (dataSupplyType != ma_resource_manager_data_supply_type_unknown) {
ma_resource_manager_data_source_config dataSourceConfig;
dataSourceConfig = ma_resource_manager_data_source_config_init();
dataSourceConfig.rangeBegInPCMFrames = pJob->data.resourceManager.loadDataBuffer.rangeBegInPCMFrames;
dataSourceConfig.rangeEndInPCMFrames = pJob->data.resourceManager.loadDataBuffer.rangeEndInPCMFrames;
dataSourceConfig.loopPointBegInPCMFrames = pJob->data.resourceManager.loadDataBuffer.loopPointBegInPCMFrames;
dataSourceConfig.loopPointEndInPCMFrames = pJob->data.resourceManager.loadDataBuffer.loopPointEndInPCMFrames;
dataSourceConfig.isLooping = pJob->data.resourceManager.loadDataBuffer.isLooping;
result = ma_resource_manager_data_buffer_init_connector(pDataBuffer, &dataSourceConfig, pJob->data.resourceManager.loadDataBuffer.pInitNotification, pJob->data.resourceManager.loadDataBuffer.pInitFence);
if (result != MA_SUCCESS) {
ma_log_postf(ma_resource_manager_get_log(pResourceManager), MA_LOG_LEVEL_ERROR, "Failed to initialize connector for data buffer. %s.\n", ma_result_description(result));
goto done;
}
} else {
}
} else {
}
result = ma_resource_manager_data_buffer_node_result(pDataBuffer->pNode);
if (result == MA_BUSY || (result == MA_SUCCESS && isConnectorInitialized == MA_FALSE && dataSupplyType == ma_resource_manager_data_supply_type_unknown)) {
return ma_resource_manager_post_job(pResourceManager, pJob);
}
done:
ma_atomic_compare_and_swap_i32(&pDataBuffer->result, MA_BUSY, result);
if (pJob->data.resourceManager.loadDataBuffer.pDoneNotification != NULL) {
ma_async_notification_signal(pJob->data.resourceManager.loadDataBuffer.pDoneNotification);
}
if (pJob->data.resourceManager.loadDataBuffer.pDoneFence != NULL) {
ma_fence_release(pJob->data.resourceManager.loadDataBuffer.pDoneFence);
}
if (ma_resource_manager_data_buffer_has_connector(pDataBuffer) == MA_FALSE && result != MA_SUCCESS) {
if (pJob->data.resourceManager.loadDataBuffer.pInitNotification != NULL) {
ma_async_notification_signal(pJob->data.resourceManager.loadDataBuffer.pInitNotification);
}
if (pJob->data.resourceManager.loadDataBuffer.pInitFence != NULL) {
ma_fence_release(pJob->data.resourceManager.loadDataBuffer.pInitFence);
}
}
ma_atomic_fetch_add_32(&pDataBuffer->executionPointer, 1);
return result;
}
static ma_result ma_job_process__resource_manager__free_data_buffer(ma_job* pJob)
{
ma_resource_manager* pResourceManager;
ma_resource_manager_data_buffer* pDataBuffer;
MA_ASSERT(pJob != NULL);
pDataBuffer = (ma_resource_manager_data_buffer*)pJob->data.resourceManager.freeDataBuffer.pDataBuffer;
MA_ASSERT(pDataBuffer != NULL);
pResourceManager = pDataBuffer->pResourceManager;
if (pJob->order != ma_atomic_load_32(&pDataBuffer->executionPointer)) {
return ma_resource_manager_post_job(pResourceManager, pJob);
}
ma_resource_manager_data_buffer_uninit_internal(pDataBuffer);
if (pJob->data.resourceManager.freeDataBuffer.pDoneNotification != NULL) {
ma_async_notification_signal(pJob->data.resourceManager.freeDataBuffer.pDoneNotification);
}
if (pJob->data.resourceManager.freeDataBuffer.pDoneFence != NULL) {
ma_fence_release(pJob->data.resourceManager.freeDataBuffer.pDoneFence);
}
ma_atomic_fetch_add_32(&pDataBuffer->executionPointer, 1);
return MA_SUCCESS;
}
static ma_result ma_job_process__resource_manager__load_data_stream(ma_job* pJob)
{
ma_result result = MA_SUCCESS;
ma_decoder_config decoderConfig;
ma_uint32 pageBufferSizeInBytes;
ma_resource_manager* pResourceManager;
ma_resource_manager_data_stream* pDataStream;
MA_ASSERT(pJob != NULL);
pDataStream = (ma_resource_manager_data_stream*)pJob->data.resourceManager.loadDataStream.pDataStream;
MA_ASSERT(pDataStream != NULL);
pResourceManager = pDataStream->pResourceManager;
if (pJob->order != ma_atomic_load_32(&pDataStream->executionPointer)) {
return ma_resource_manager_post_job(pResourceManager, pJob);
}
if (ma_resource_manager_data_stream_result(pDataStream) != MA_BUSY) {
result = MA_INVALID_OPERATION;
goto done;
}
decoderConfig = ma_resource_manager__init_decoder_config(pResourceManager);
if (pJob->data.resourceManager.loadDataStream.pFilePath != NULL) {
result = ma_decoder_init_vfs(pResourceManager->config.pVFS, pJob->data.resourceManager.loadDataStream.pFilePath, &decoderConfig, &pDataStream->decoder);
} else {
result = ma_decoder_init_vfs_w(pResourceManager->config.pVFS, pJob->data.resourceManager.loadDataStream.pFilePathW, &decoderConfig, &pDataStream->decoder);
}
if (result != MA_SUCCESS) {
goto done;
}
if ((pDataStream->flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_UNKNOWN_LENGTH) == 0) {
result = ma_decoder_get_length_in_pcm_frames(&pDataStream->decoder, &pDataStream->totalLengthInPCMFrames);
if (result != MA_SUCCESS) {
goto done;
}
} else {
pDataStream->totalLengthInPCMFrames = 0;
}
pDataStream->isDecoderInitialized = MA_TRUE;
pageBufferSizeInBytes = ma_resource_manager_data_stream_get_page_size_in_frames(pDataStream) * 2 * ma_get_bytes_per_frame(pDataStream->decoder.outputFormat, pDataStream->decoder.outputChannels);
pDataStream->pPageData = ma_malloc(pageBufferSizeInBytes, &pResourceManager->config.allocationCallbacks);
if (pDataStream->pPageData == NULL) {
ma_decoder_uninit(&pDataStream->decoder);
result = MA_OUT_OF_MEMORY;
goto done;
}
ma_decoder_seek_to_pcm_frame(&pDataStream->decoder, pJob->data.resourceManager.loadDataStream.initialSeekPoint);
ma_resource_manager_data_stream_fill_pages(pDataStream);
result = MA_SUCCESS;
done:
ma_free(pJob->data.resourceManager.loadDataStream.pFilePath, &pResourceManager->config.allocationCallbacks);
ma_free(pJob->data.resourceManager.loadDataStream.pFilePathW, &pResourceManager->config.allocationCallbacks);
ma_atomic_compare_and_swap_i32(&pDataStream->result, MA_BUSY, result);
if (pJob->data.resourceManager.loadDataStream.pInitNotification != NULL) {
ma_async_notification_signal(pJob->data.resourceManager.loadDataStream.pInitNotification);
}
if (pJob->data.resourceManager.loadDataStream.pInitFence != NULL) {
ma_fence_release(pJob->data.resourceManager.loadDataStream.pInitFence);
}
ma_atomic_fetch_add_32(&pDataStream->executionPointer, 1);
return result;
}
static ma_result ma_job_process__resource_manager__free_data_stream(ma_job* pJob)
{
ma_resource_manager* pResourceManager;
ma_resource_manager_data_stream* pDataStream;
MA_ASSERT(pJob != NULL);
pDataStream = (ma_resource_manager_data_stream*)pJob->data.resourceManager.freeDataStream.pDataStream;
MA_ASSERT(pDataStream != NULL);
pResourceManager = pDataStream->pResourceManager;
if (pJob->order != ma_atomic_load_32(&pDataStream->executionPointer)) {
return ma_resource_manager_post_job(pResourceManager, pJob);
}
MA_ASSERT(ma_resource_manager_data_stream_result(pDataStream) == MA_UNAVAILABLE);
if (pDataStream->isDecoderInitialized) {
ma_decoder_uninit(&pDataStream->decoder);
}
if (pDataStream->pPageData != NULL) {
ma_free(pDataStream->pPageData, &pResourceManager->config.allocationCallbacks);
pDataStream->pPageData = NULL;
}
ma_data_source_uninit(&pDataStream->ds);
if (pJob->data.resourceManager.freeDataStream.pDoneNotification != NULL) {
ma_async_notification_signal(pJob->data.resourceManager.freeDataStream.pDoneNotification);
}
if (pJob->data.resourceManager.freeDataStream.pDoneFence != NULL) {
ma_fence_release(pJob->data.resourceManager.freeDataStream.pDoneFence);
}
return MA_SUCCESS;
}
static ma_result ma_job_process__resource_manager__page_data_stream(ma_job* pJob)
{
ma_result result = MA_SUCCESS;
ma_resource_manager* pResourceManager;
ma_resource_manager_data_stream* pDataStream;
MA_ASSERT(pJob != NULL);
pDataStream = (ma_resource_manager_data_stream*)pJob->data.resourceManager.pageDataStream.pDataStream;
MA_ASSERT(pDataStream != NULL);
pResourceManager = pDataStream->pResourceManager;
if (pJob->order != ma_atomic_load_32(&pDataStream->executionPointer)) {
return ma_resource_manager_post_job(pResourceManager, pJob);
}
if (ma_resource_manager_data_stream_result(pDataStream) != MA_SUCCESS) {
result = MA_INVALID_OPERATION;
goto done;
}
ma_resource_manager_data_stream_fill_page(pDataStream, pJob->data.resourceManager.pageDataStream.pageIndex);
done:
ma_atomic_fetch_add_32(&pDataStream->executionPointer, 1);
return result;
}
static ma_result ma_job_process__resource_manager__seek_data_stream(ma_job* pJob)
{
ma_result result = MA_SUCCESS;
ma_resource_manager* pResourceManager;
ma_resource_manager_data_stream* pDataStream;
MA_ASSERT(pJob != NULL);
pDataStream = (ma_resource_manager_data_stream*)pJob->data.resourceManager.seekDataStream.pDataStream;
MA_ASSERT(pDataStream != NULL);
pResourceManager = pDataStream->pResourceManager;
if (pJob->order != ma_atomic_load_32(&pDataStream->executionPointer)) {
return ma_resource_manager_post_job(pResourceManager, pJob);
}
if (ma_resource_manager_data_stream_result(pDataStream) != MA_SUCCESS || pDataStream->isDecoderInitialized == MA_FALSE) {
result = MA_INVALID_OPERATION;
goto done;
}
ma_decoder_seek_to_pcm_frame(&pDataStream->decoder, pJob->data.resourceManager.seekDataStream.frameIndex);
ma_resource_manager_data_stream_fill_pages(pDataStream);
ma_atomic_fetch_sub_32(&pDataStream->seekCounter, 1);
done:
ma_atomic_fetch_add_32(&pDataStream->executionPointer, 1);
return result;
}
MA_API ma_result ma_resource_manager_process_job(ma_resource_manager* pResourceManager, ma_job* pJob)
{
if (pResourceManager == NULL || pJob == NULL) {
return MA_INVALID_ARGS;
}
return ma_job_process(pJob);
}
MA_API ma_result ma_resource_manager_process_next_job(ma_resource_manager* pResourceManager)
{
ma_result result;
ma_job job;
if (pResourceManager == NULL) {
return MA_INVALID_ARGS;
}
result = ma_resource_manager_next_job(pResourceManager, &job);
if (result != MA_SUCCESS) {
return result;
}
return ma_job_process(&job);
}
#else
static ma_result ma_job_process__resource_manager__load_data_buffer_node(ma_job* pJob) { return ma_job_process__noop(pJob); }
static ma_result ma_job_process__resource_manager__free_data_buffer_node(ma_job* pJob) { return ma_job_process__noop(pJob); }
static ma_result ma_job_process__resource_manager__page_data_buffer_node(ma_job* pJob) { return ma_job_process__noop(pJob); }
static ma_result ma_job_process__resource_manager__load_data_buffer(ma_job* pJob) { return ma_job_process__noop(pJob); }
static ma_result ma_job_process__resource_manager__free_data_buffer(ma_job* pJob) { return ma_job_process__noop(pJob); }
static ma_result ma_job_process__resource_manager__load_data_stream(ma_job* pJob) { return ma_job_process__noop(pJob); }
static ma_result ma_job_process__resource_manager__free_data_stream(ma_job* pJob) { return ma_job_process__noop(pJob); }
static ma_result ma_job_process__resource_manager__page_data_stream(ma_job* pJob) { return ma_job_process__noop(pJob); }
static ma_result ma_job_process__resource_manager__seek_data_stream(ma_job* pJob) { return ma_job_process__noop(pJob); }
#endif
#ifndef MA_NO_NODE_GRAPH
static ma_stack* ma_stack_init(size_t sizeInBytes, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_stack* pStack;
if (sizeInBytes == 0) {
return NULL;
}
pStack = (ma_stack*)ma_malloc(sizeof(*pStack) - sizeof(pStack->_data) + sizeInBytes, pAllocationCallbacks);
if (pStack == NULL) {
return NULL;
}
pStack->offset = 0;
pStack->sizeInBytes = sizeInBytes;
return pStack;
}
static void ma_stack_uninit(ma_stack* pStack, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pStack == NULL) {
return;
}
ma_free(pStack, pAllocationCallbacks);
}
static void* ma_stack_alloc(ma_stack* pStack, size_t sz)
{
void* p = (void*)((char*)pStack->_data + pStack->offset);
size_t* pSize = (size_t*)p;
sz = (sz + (sizeof(ma_uintptr) - 1)) & ~(sizeof(ma_uintptr) - 1);
if (pStack->offset + sz + sizeof(size_t) > pStack->sizeInBytes) {
return NULL;
}
pStack->offset += sz + sizeof(size_t);
*pSize = sz;
return (void*)((char*)p + sizeof(size_t));
}
static void ma_stack_free(ma_stack* pStack, void* p)
{
size_t* pSize;
if (p == NULL) {
return;
}
pSize = (size_t*)p - 1;
pStack->offset -= *pSize + sizeof(size_t);
}
#ifndef MA_DEFAULT_NODE_CACHE_CAP_IN_FRAMES_PER_BUS
#define MA_DEFAULT_NODE_CACHE_CAP_IN_FRAMES_PER_BUS 480
#endif
#ifndef MA_DEFAULT_PREMIX_STACK_SIZE_PER_CHANNEL
#define MA_DEFAULT_PREMIX_STACK_SIZE_PER_CHANNEL 524288
#endif
static ma_result ma_node_read_pcm_frames(ma_node* pNode, ma_uint32 outputBusIndex, float* pFramesOut, ma_uint32 frameCount, ma_uint32* pFramesRead, ma_uint64 globalTime);
MA_API void ma_debug_fill_pcm_frames_with_sine_wave(float* pFramesOut, ma_uint32 frameCount, ma_format format, ma_uint32 channels, ma_uint32 sampleRate)
{
#ifndef MA_NO_GENERATION
{
ma_waveform_config waveformConfig;
ma_waveform waveform;
waveformConfig = ma_waveform_config_init(format, channels, sampleRate, ma_waveform_type_sine, 1.0, 400);
ma_waveform_init(&waveformConfig, &waveform);
ma_waveform_read_pcm_frames(&waveform, pFramesOut, frameCount, NULL);
}
#else
{
(void)pFramesOut;
(void)frameCount;
(void)format;
(void)channels;
(void)sampleRate;
#if defined(MA_DEBUG_OUTPUT)
{
#if _MSC_VER
#pragma message ("ma_debug_fill_pcm_frames_with_sine_wave() will do nothing because MA_NO_GENERATION is enabled.")
#endif
}
#endif
}
#endif
}
MA_API ma_node_graph_config ma_node_graph_config_init(ma_uint32 channels)
{
ma_node_graph_config config;
MA_ZERO_OBJECT(&config);
config.channels = channels;
config.processingSizeInFrames = 0;
return config;
}
static void ma_node_graph_set_is_reading(ma_node_graph* pNodeGraph, ma_bool32 isReading)
{
MA_ASSERT(pNodeGraph != NULL);
ma_atomic_exchange_32(&pNodeGraph->isReading, isReading);
}
#if 0
static ma_bool32 ma_node_graph_is_reading(ma_node_graph* pNodeGraph)
{
MA_ASSERT(pNodeGraph != NULL);
return ma_atomic_load_32(&pNodeGraph->isReading);
}
#endif
static void ma_node_graph_node_process_pcm_frames(ma_node* pNode, const float** ppFramesIn, ma_uint32* pFrameCountIn, float** ppFramesOut, ma_uint32* pFrameCountOut)
{
ma_node_graph* pNodeGraph = (ma_node_graph*)pNode;
ma_uint64 framesRead;
ma_node_graph_read_pcm_frames(pNodeGraph, ppFramesOut[0], *pFrameCountOut, &framesRead);
*pFrameCountOut = (ma_uint32)framesRead;
(void)ppFramesIn;
(void)pFrameCountIn;
}
static ma_node_vtable g_node_graph_node_vtable =
{
ma_node_graph_node_process_pcm_frames,
NULL,
0,
1,
0
};
static void ma_node_graph_endpoint_process_pcm_frames(ma_node* pNode, const float** ppFramesIn, ma_uint32* pFrameCountIn, float** ppFramesOut, ma_uint32* pFrameCountOut)
{
MA_ASSERT(pNode != NULL);
MA_ASSERT(ma_node_get_input_bus_count(pNode) == 1);
MA_ASSERT(ma_node_get_output_bus_count(pNode) == 1);
MA_ASSERT(ma_node_get_input_channels(pNode, 0) == ma_node_get_output_channels(pNode, 0));
(void)pNode;
(void)ppFramesIn;
(void)pFrameCountIn;
(void)ppFramesOut;
(void)pFrameCountOut;
#if 0
if (ppFramesIn != NULL) {
ma_copy_pcm_frames(ppFramesOut[0], ppFramesIn[0], *pFrameCountOut, ma_format_f32, ma_node_get_output_channels(pNode, 0));
}
#endif
}
static ma_node_vtable g_node_graph_endpoint_vtable =
{
ma_node_graph_endpoint_process_pcm_frames,
NULL,
1,
1,
MA_NODE_FLAG_PASSTHROUGH
};
MA_API ma_result ma_node_graph_init(const ma_node_graph_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_node_graph* pNodeGraph)
{
ma_result result;
ma_node_config baseConfig;
ma_node_config endpointConfig;
if (pNodeGraph == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pNodeGraph);
pNodeGraph->processingSizeInFrames = pConfig->processingSizeInFrames;
baseConfig = ma_node_config_init();
baseConfig.vtable = &g_node_graph_node_vtable;
baseConfig.pOutputChannels = &pConfig->channels;
result = ma_node_init(pNodeGraph, &baseConfig, pAllocationCallbacks, &pNodeGraph->base);
if (result != MA_SUCCESS) {
return result;
}
endpointConfig = ma_node_config_init();
endpointConfig.vtable = &g_node_graph_endpoint_vtable;
endpointConfig.pInputChannels = &pConfig->channels;
endpointConfig.pOutputChannels = &pConfig->channels;
result = ma_node_init(pNodeGraph, &endpointConfig, pAllocationCallbacks, &pNodeGraph->endpoint);
if (result != MA_SUCCESS) {
ma_node_uninit(&pNodeGraph->base, pAllocationCallbacks);
return result;
}
if (pConfig->processingSizeInFrames > 0) {
pNodeGraph->pProcessingCache = (float*)ma_malloc(pConfig->processingSizeInFrames * pConfig->channels * sizeof(float), pAllocationCallbacks);
if (pNodeGraph->pProcessingCache == NULL) {
ma_node_uninit(&pNodeGraph->endpoint, pAllocationCallbacks);
ma_node_uninit(&pNodeGraph->base, pAllocationCallbacks);
return MA_OUT_OF_MEMORY;
}
}
{
size_t preMixStackSizeInBytes = pConfig->preMixStackSizeInBytes;
if (preMixStackSizeInBytes == 0) {
preMixStackSizeInBytes = pConfig->channels * MA_DEFAULT_PREMIX_STACK_SIZE_PER_CHANNEL;
}
pNodeGraph->pPreMixStack = ma_stack_init(preMixStackSizeInBytes, pAllocationCallbacks);
if (pNodeGraph->pPreMixStack == NULL) {
ma_node_uninit(&pNodeGraph->endpoint, pAllocationCallbacks);
ma_node_uninit(&pNodeGraph->base, pAllocationCallbacks);
if (pNodeGraph->pProcessingCache != NULL) {
ma_free(pNodeGraph->pProcessingCache, pAllocationCallbacks);
}
return MA_OUT_OF_MEMORY;
}
}
return MA_SUCCESS;
}
MA_API void ma_node_graph_uninit(ma_node_graph* pNodeGraph, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pNodeGraph == NULL) {
return;
}
ma_node_uninit(&pNodeGraph->endpoint, pAllocationCallbacks);
ma_node_uninit(&pNodeGraph->base, pAllocationCallbacks);
if (pNodeGraph->pProcessingCache != NULL) {
ma_free(pNodeGraph->pProcessingCache, pAllocationCallbacks);
pNodeGraph->pProcessingCache = NULL;
}
if (pNodeGraph->pPreMixStack != NULL) {
ma_stack_uninit(pNodeGraph->pPreMixStack, pAllocationCallbacks);
pNodeGraph->pPreMixStack = NULL;
}
}
MA_API ma_node* ma_node_graph_get_endpoint(ma_node_graph* pNodeGraph)
{
if (pNodeGraph == NULL) {
return NULL;
}
return &pNodeGraph->endpoint;
}
MA_API ma_result ma_node_graph_read_pcm_frames(ma_node_graph* pNodeGraph, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
{
ma_result result = MA_SUCCESS;
ma_uint64 totalFramesRead;
ma_uint32 channels;
if (pFramesRead != NULL) {
*pFramesRead = 0;
}
if (pNodeGraph == NULL) {
return MA_INVALID_ARGS;
}
channels = ma_node_get_output_channels(&pNodeGraph->endpoint, 0);
totalFramesRead = 0;
while (totalFramesRead < frameCount) {
ma_uint32 framesJustRead;
ma_uint64 framesToRead;
float* pRunningFramesOut;
framesToRead = frameCount - totalFramesRead;
if (framesToRead > 0xFFFFFFFF) {
framesToRead = 0xFFFFFFFF;
}
pRunningFramesOut = (float*)ma_offset_pcm_frames_ptr(pFramesOut, totalFramesRead, ma_format_f32, channels);
if (pNodeGraph->processingCacheFramesRemaining > 0) {
ma_uint32 framesToReadFromCache;
framesToReadFromCache = (ma_uint32)framesToRead;
if (framesToReadFromCache > pNodeGraph->processingCacheFramesRemaining) {
framesToReadFromCache = pNodeGraph->processingCacheFramesRemaining;
}
MA_COPY_MEMORY(pRunningFramesOut, pNodeGraph->pProcessingCache, framesToReadFromCache * channels * sizeof(float));
MA_MOVE_MEMORY(pNodeGraph->pProcessingCache, pNodeGraph->pProcessingCache + (framesToReadFromCache * channels), (pNodeGraph->processingCacheFramesRemaining - framesToReadFromCache) * channels * sizeof(float));
pNodeGraph->processingCacheFramesRemaining -= framesToReadFromCache;
totalFramesRead += framesToReadFromCache;
continue;
} else {
float* pReadDst = pRunningFramesOut;
if (pNodeGraph->processingSizeInFrames > 0) {
if (framesToRead < pNodeGraph->processingSizeInFrames) {
pReadDst = pNodeGraph->pProcessingCache;
}
framesToRead = pNodeGraph->processingSizeInFrames;
}
ma_node_graph_set_is_reading(pNodeGraph, MA_TRUE);
{
result = ma_node_read_pcm_frames(&pNodeGraph->endpoint, 0, pReadDst, (ma_uint32)framesToRead, &framesJustRead, ma_node_get_time(&pNodeGraph->endpoint));
}
ma_node_graph_set_is_reading(pNodeGraph, MA_FALSE);
if (pReadDst == pNodeGraph->pProcessingCache) {
pNodeGraph->processingCacheFramesRemaining = framesJustRead;
} else {
totalFramesRead += framesJustRead;
}
if (result != MA_SUCCESS) {
break;
}
if (framesJustRead == 0) {
break;
}
}
}
if (totalFramesRead < frameCount) {
ma_silence_pcm_frames(ma_offset_pcm_frames_ptr(pFramesOut, totalFramesRead, ma_format_f32, channels), (frameCount - totalFramesRead), ma_format_f32, channels);
}
if (pFramesRead != NULL) {
*pFramesRead = totalFramesRead;
}
return result;
}
MA_API ma_uint32 ma_node_graph_get_channels(const ma_node_graph* pNodeGraph)
{
if (pNodeGraph == NULL) {
return 0;
}
return ma_node_get_output_channels(&pNodeGraph->endpoint, 0);
}
MA_API ma_uint64 ma_node_graph_get_time(const ma_node_graph* pNodeGraph)
{
if (pNodeGraph == NULL) {
return 0;
}
return ma_node_get_time(&pNodeGraph->endpoint);
}
MA_API ma_result ma_node_graph_set_time(ma_node_graph* pNodeGraph, ma_uint64 globalTime)
{
if (pNodeGraph == NULL) {
return MA_INVALID_ARGS;
}
return ma_node_set_time(&pNodeGraph->endpoint, globalTime);
}
MA_API ma_uint32 ma_node_graph_get_processing_size_in_frames(const ma_node_graph* pNodeGraph)
{
if (pNodeGraph == NULL) {
return 0;
}
return pNodeGraph->processingSizeInFrames;
}
#define MA_NODE_OUTPUT_BUS_FLAG_HAS_READ 0x01
static ma_result ma_node_output_bus_init(ma_node* pNode, ma_uint32 outputBusIndex, ma_uint32 channels, ma_node_output_bus* pOutputBus)
{
MA_ASSERT(pOutputBus != NULL);
MA_ASSERT(outputBusIndex < MA_MAX_NODE_BUS_COUNT);
MA_ASSERT(outputBusIndex < ma_node_get_output_bus_count(pNode));
MA_ASSERT(channels < 256);
MA_ZERO_OBJECT(pOutputBus);
if (channels == 0) {
return MA_INVALID_ARGS;
}
pOutputBus->pNode = pNode;
pOutputBus->outputBusIndex = (ma_uint8)outputBusIndex;
pOutputBus->channels = (ma_uint8)channels;
pOutputBus->flags = MA_NODE_OUTPUT_BUS_FLAG_HAS_READ;
pOutputBus->volume = 1;
return MA_SUCCESS;
}
static void ma_node_output_bus_lock(ma_node_output_bus* pOutputBus)
{
ma_spinlock_lock(&pOutputBus->lock);
}
static void ma_node_output_bus_unlock(ma_node_output_bus* pOutputBus)
{
ma_spinlock_unlock(&pOutputBus->lock);
}
static ma_uint32 ma_node_output_bus_get_channels(const ma_node_output_bus* pOutputBus)
{
return pOutputBus->channels;
}
static void ma_node_output_bus_set_has_read(ma_node_output_bus* pOutputBus, ma_bool32 hasRead)
{
if (hasRead) {
ma_atomic_fetch_or_32(&pOutputBus->flags, MA_NODE_OUTPUT_BUS_FLAG_HAS_READ);
} else {
ma_atomic_fetch_and_32(&pOutputBus->flags, (ma_uint32)~MA_NODE_OUTPUT_BUS_FLAG_HAS_READ);
}
}
static ma_bool32 ma_node_output_bus_has_read(ma_node_output_bus* pOutputBus)
{
return (ma_atomic_load_32(&pOutputBus->flags) & MA_NODE_OUTPUT_BUS_FLAG_HAS_READ) != 0;
}
static void ma_node_output_bus_set_is_attached(ma_node_output_bus* pOutputBus, ma_bool32 isAttached)
{
ma_atomic_exchange_32(&pOutputBus->isAttached, isAttached);
}
static ma_bool32 ma_node_output_bus_is_attached(ma_node_output_bus* pOutputBus)
{
return ma_atomic_load_32(&pOutputBus->isAttached);
}
static ma_result ma_node_output_bus_set_volume(ma_node_output_bus* pOutputBus, float volume)
{
MA_ASSERT(pOutputBus != NULL);
if (volume < 0.0f) {
volume = 0.0f;
}
ma_atomic_exchange_f32(&pOutputBus->volume, volume);
return MA_SUCCESS;
}
static float ma_node_output_bus_get_volume(const ma_node_output_bus* pOutputBus)
{
return ma_atomic_load_f32((float*)&pOutputBus->volume);
}
static ma_result ma_node_input_bus_init(ma_uint32 channels, ma_node_input_bus* pInputBus)
{
MA_ASSERT(pInputBus != NULL);
MA_ASSERT(channels < 256);
MA_ZERO_OBJECT(pInputBus);
if (channels == 0) {
return MA_INVALID_ARGS;
}
pInputBus->channels = (ma_uint8)channels;
return MA_SUCCESS;
}
static void ma_node_input_bus_lock(ma_node_input_bus* pInputBus)
{
MA_ASSERT(pInputBus != NULL);
ma_spinlock_lock(&pInputBus->lock);
}
static void ma_node_input_bus_unlock(ma_node_input_bus* pInputBus)
{
MA_ASSERT(pInputBus != NULL);
ma_spinlock_unlock(&pInputBus->lock);
}
static void ma_node_input_bus_next_begin(ma_node_input_bus* pInputBus)
{
ma_atomic_fetch_add_32(&pInputBus->nextCounter, 1);
}
static void ma_node_input_bus_next_end(ma_node_input_bus* pInputBus)
{
ma_atomic_fetch_sub_32(&pInputBus->nextCounter, 1);
}
static ma_uint32 ma_node_input_bus_get_next_counter(ma_node_input_bus* pInputBus)
{
return ma_atomic_load_32(&pInputBus->nextCounter);
}
static ma_uint32 ma_node_input_bus_get_channels(const ma_node_input_bus* pInputBus)
{
return pInputBus->channels;
}
static void ma_node_input_bus_detach__no_output_bus_lock(ma_node_input_bus* pInputBus, ma_node_output_bus* pOutputBus)
{
MA_ASSERT(pInputBus != NULL);
MA_ASSERT(pOutputBus != NULL);
ma_node_output_bus_set_is_attached(pOutputBus, MA_FALSE);
ma_node_input_bus_lock(pInputBus);
{
ma_node_output_bus* pOldPrev = (ma_node_output_bus*)ma_atomic_load_ptr(&pOutputBus->pPrev);
ma_node_output_bus* pOldNext = (ma_node_output_bus*)ma_atomic_load_ptr(&pOutputBus->pNext);
if (pOldPrev != NULL) {
ma_atomic_exchange_ptr(&pOldPrev->pNext, pOldNext);
}
if (pOldNext != NULL) {
ma_atomic_exchange_ptr(&pOldNext->pPrev, pOldPrev);
}
}
ma_node_input_bus_unlock(pInputBus);
ma_atomic_exchange_ptr(&pOutputBus->pNext, NULL);
ma_atomic_exchange_ptr(&pOutputBus->pPrev, NULL);
pOutputBus->pInputNode = NULL;
pOutputBus->inputNodeInputBusIndex = 0;
while (ma_node_input_bus_get_next_counter(pInputBus) > 0) {
ma_yield();
}
while (ma_atomic_load_32(&pOutputBus->refCount) > 0) {
ma_yield();
}
}
#if 0
static void ma_node_input_bus_detach(ma_node_input_bus* pInputBus, ma_node_output_bus* pOutputBus)
{
MA_ASSERT(pInputBus != NULL);
MA_ASSERT(pOutputBus != NULL);
ma_node_output_bus_lock(pOutputBus);
{
ma_node_input_bus_detach__no_output_bus_lock(pInputBus, pOutputBus);
}
ma_node_output_bus_unlock(pOutputBus);
}
#endif
static void ma_node_input_bus_attach(ma_node_input_bus* pInputBus, ma_node_output_bus* pOutputBus, ma_node* pNewInputNode, ma_uint32 inputNodeInputBusIndex)
{
MA_ASSERT(pInputBus != NULL);
MA_ASSERT(pOutputBus != NULL);
ma_node_output_bus_lock(pOutputBus);
{
ma_node_output_bus* pOldInputNode = (ma_node_output_bus*)ma_atomic_load_ptr(&pOutputBus->pInputNode);
if (pOldInputNode != NULL) {
ma_node_input_bus_detach__no_output_bus_lock(pInputBus, pOutputBus);
}
pOutputBus->pInputNode = pNewInputNode;
pOutputBus->inputNodeInputBusIndex = (ma_uint8)inputNodeInputBusIndex;
ma_node_input_bus_lock(pInputBus);
{
ma_node_output_bus* pNewPrev = &pInputBus->head;
ma_node_output_bus* pNewNext = (ma_node_output_bus*)ma_atomic_load_ptr(&pInputBus->head.pNext);
ma_atomic_exchange_ptr(&pOutputBus->pPrev, pNewPrev);
ma_atomic_exchange_ptr(&pOutputBus->pNext, pNewNext);
ma_atomic_exchange_ptr(&pInputBus->head.pNext, pOutputBus);
if (pNewNext != NULL) {
ma_atomic_exchange_ptr(&pNewNext->pPrev, pOutputBus);
}
}
ma_node_input_bus_unlock(pInputBus);
ma_node_output_bus_set_is_attached(pOutputBus, MA_TRUE);
}
ma_node_output_bus_unlock(pOutputBus);
}
static ma_node_output_bus* ma_node_input_bus_next(ma_node_input_bus* pInputBus, ma_node_output_bus* pOutputBus)
{
ma_node_output_bus* pNext;
MA_ASSERT(pInputBus != NULL);
if (pOutputBus == NULL) {
return NULL;
}
ma_node_input_bus_next_begin(pInputBus);
{
pNext = pOutputBus;
for (;;) {
pNext = (ma_node_output_bus*)ma_atomic_load_ptr(&pNext->pNext);
if (pNext == NULL) {
break;
}
if (ma_node_output_bus_is_attached(pNext) == MA_FALSE) {
continue;
}
break;
}
if (pNext != NULL) {
ma_atomic_fetch_add_32(&pNext->refCount, 1);
}
ma_atomic_fetch_sub_32(&pOutputBus->refCount, 1);
}
ma_node_input_bus_next_end(pInputBus);
return pNext;
}
static ma_node_output_bus* ma_node_input_bus_first(ma_node_input_bus* pInputBus)
{
return ma_node_input_bus_next(pInputBus, &pInputBus->head);
}
static ma_result ma_node_input_bus_read_pcm_frames(ma_node* pInputNode, ma_node_input_bus* pInputBus, float* pFramesOut, ma_uint32 frameCount, ma_uint32* pFramesRead, ma_uint64 globalTime)
{
ma_result result = MA_SUCCESS;
ma_node_output_bus* pOutputBus;
ma_node_output_bus* pFirst;
ma_uint32 inputChannels;
ma_bool32 doesOutputBufferHaveContent = MA_FALSE;
MA_ASSERT(pInputNode != NULL);
MA_ASSERT(pFramesRead != NULL);
*pFramesRead = 0;
inputChannels = ma_node_input_bus_get_channels(pInputBus);
pFirst = ma_node_input_bus_first(pInputBus);
if (pFirst == NULL) {
return MA_SUCCESS;
}
for (pOutputBus = pFirst; pOutputBus != NULL; pOutputBus = ma_node_input_bus_next(pInputBus, pOutputBus)) {
ma_uint32 framesProcessed = 0;
ma_bool32 isSilentOutput = MA_FALSE;
MA_ASSERT(pOutputBus->pNode != NULL);
MA_ASSERT(((ma_node_base*)pOutputBus->pNode)->vtable != NULL);
isSilentOutput = (((ma_node_base*)pOutputBus->pNode)->vtable->flags & MA_NODE_FLAG_SILENT_OUTPUT) != 0;
if (pFramesOut != NULL) {
while (framesProcessed < frameCount) {
float* pRunningFramesOut;
ma_uint32 framesToRead;
ma_uint32 framesJustRead = 0;
framesToRead = frameCount - framesProcessed;
pRunningFramesOut = ma_offset_pcm_frames_ptr_f32(pFramesOut, framesProcessed, inputChannels);
if (doesOutputBufferHaveContent == MA_FALSE) {
result = ma_node_read_pcm_frames(pOutputBus->pNode, pOutputBus->outputBusIndex, pRunningFramesOut, framesToRead, &framesJustRead, globalTime + framesProcessed);
} else {
ma_uint32 preMixBufferCapInFrames = ((ma_node_base*)pInputNode)->cachedDataCapInFramesPerBus;
float* pPreMixBuffer = (float*)ma_stack_alloc(((ma_node_base*)pInputNode)->pNodeGraph->pPreMixStack, preMixBufferCapInFrames * inputChannels * sizeof(float));
if (pPreMixBuffer == NULL) {
MA_ASSERT(MA_FALSE);
} else {
if (framesToRead > preMixBufferCapInFrames) {
framesToRead = preMixBufferCapInFrames;
}
result = ma_node_read_pcm_frames(pOutputBus->pNode, pOutputBus->outputBusIndex, pPreMixBuffer, framesToRead, &framesJustRead, globalTime + framesProcessed);
if (result == MA_SUCCESS || result == MA_AT_END) {
if (isSilentOutput == MA_FALSE) {
ma_mix_pcm_frames_f32(pRunningFramesOut, pPreMixBuffer, framesJustRead, inputChannels, 1);
}
}
ma_stack_free(((ma_node_base*)pInputNode)->pNodeGraph->pPreMixStack, pPreMixBuffer);
pPreMixBuffer = NULL;
}
}
framesProcessed += framesJustRead;
if (result != MA_SUCCESS) {
break;
}
if (framesJustRead == 0) {
break;
}
}
if (pOutputBus == pFirst && framesProcessed < frameCount) {
ma_silence_pcm_frames(ma_offset_pcm_frames_ptr(pFramesOut, framesProcessed, ma_format_f32, inputChannels), (frameCount - framesProcessed), ma_format_f32, inputChannels);
}
if (isSilentOutput == MA_FALSE) {
doesOutputBufferHaveContent = MA_TRUE;
}
} else {
ma_node_read_pcm_frames(pOutputBus->pNode, pOutputBus->outputBusIndex, NULL, frameCount, &framesProcessed, globalTime);
}
}
if (doesOutputBufferHaveContent == MA_FALSE && pFramesOut != NULL) {
ma_silence_pcm_frames(pFramesOut, frameCount, ma_format_f32, inputChannels);
}
*pFramesRead = frameCount;
return result;
}
MA_API ma_node_config ma_node_config_init(void)
{
ma_node_config config;
MA_ZERO_OBJECT(&config);
config.initialState = ma_node_state_started;
config.inputBusCount = MA_NODE_BUS_COUNT_UNKNOWN;
config.outputBusCount = MA_NODE_BUS_COUNT_UNKNOWN;
return config;
}
static ma_uint16 ma_node_config_get_cache_size_in_frames(const ma_node_config* pConfig, const ma_node_graph* pNodeGraph)
{
ma_uint32 cacheSizeInFrames;
(void)pConfig;
if (pNodeGraph->processingSizeInFrames > 0) {
cacheSizeInFrames = pNodeGraph->processingSizeInFrames;
} else {
cacheSizeInFrames = MA_DEFAULT_NODE_CACHE_CAP_IN_FRAMES_PER_BUS;
}
if (cacheSizeInFrames > 0xFFFF) {
cacheSizeInFrames = 0xFFFF;
}
return (ma_uint16)cacheSizeInFrames;
}
static ma_result ma_node_detach_full(ma_node* pNode);
static float* ma_node_get_cached_input_ptr(ma_node* pNode, ma_uint32 inputBusIndex)
{
ma_node_base* pNodeBase = (ma_node_base*)pNode;
ma_uint32 iInputBus;
float* pBasePtr;
MA_ASSERT(pNodeBase != NULL);
pBasePtr = pNodeBase->pCachedData;
for (iInputBus = 0; iInputBus < inputBusIndex; iInputBus += 1) {
pBasePtr += pNodeBase->cachedDataCapInFramesPerBus * ma_node_input_bus_get_channels(&pNodeBase->pInputBuses[iInputBus]);
}
return pBasePtr;
}
static float* ma_node_get_cached_output_ptr(ma_node* pNode, ma_uint32 outputBusIndex)
{
ma_node_base* pNodeBase = (ma_node_base*)pNode;
ma_uint32 iInputBus;
ma_uint32 iOutputBus;
float* pBasePtr;
MA_ASSERT(pNodeBase != NULL);
pBasePtr = pNodeBase->pCachedData;
for (iInputBus = 0; iInputBus < ma_node_get_input_bus_count(pNodeBase); iInputBus += 1) {
pBasePtr += pNodeBase->cachedDataCapInFramesPerBus * ma_node_input_bus_get_channels(&pNodeBase->pInputBuses[iInputBus]);
}
for (iOutputBus = 0; iOutputBus < outputBusIndex; iOutputBus += 1) {
pBasePtr += pNodeBase->cachedDataCapInFramesPerBus * ma_node_output_bus_get_channels(&pNodeBase->pOutputBuses[iOutputBus]);
}
return pBasePtr;
}
typedef struct
{
size_t sizeInBytes;
size_t inputBusOffset;
size_t outputBusOffset;
size_t cachedDataOffset;
ma_uint32 inputBusCount;
ma_uint32 outputBusCount;
} ma_node_heap_layout;
static ma_result ma_node_translate_bus_counts(const ma_node_config* pConfig, ma_uint32* pInputBusCount, ma_uint32* pOutputBusCount)
{
ma_uint32 inputBusCount;
ma_uint32 outputBusCount;
MA_ASSERT(pConfig != NULL);
MA_ASSERT(pInputBusCount != NULL);
MA_ASSERT(pOutputBusCount != NULL);
if (pConfig->vtable->inputBusCount == MA_NODE_BUS_COUNT_UNKNOWN) {
inputBusCount = pConfig->inputBusCount;
} else {
inputBusCount = pConfig->vtable->inputBusCount;
if (pConfig->inputBusCount != MA_NODE_BUS_COUNT_UNKNOWN && pConfig->inputBusCount != pConfig->vtable->inputBusCount) {
return MA_INVALID_ARGS;
}
}
if (pConfig->vtable->outputBusCount == MA_NODE_BUS_COUNT_UNKNOWN) {
outputBusCount = pConfig->outputBusCount;
} else {
outputBusCount = pConfig->vtable->outputBusCount;
if (pConfig->outputBusCount != MA_NODE_BUS_COUNT_UNKNOWN && pConfig->outputBusCount != pConfig->vtable->outputBusCount) {
return MA_INVALID_ARGS;
}
}
if (inputBusCount > MA_MAX_NODE_BUS_COUNT || outputBusCount > MA_MAX_NODE_BUS_COUNT) {
return MA_INVALID_ARGS;
}
if ((inputBusCount > 0 && pConfig->pInputChannels == NULL) || (outputBusCount > 0 && pConfig->pOutputChannels == NULL)) {
return MA_INVALID_ARGS;
}
if ((pConfig->vtable->flags & MA_NODE_FLAG_PASSTHROUGH) != 0) {
if ((pConfig->vtable->inputBusCount != 0 && pConfig->vtable->inputBusCount != 1) || pConfig->vtable->outputBusCount != 1) {
return MA_INVALID_ARGS;
}
if (pConfig->pInputChannels[0] != pConfig->pOutputChannels[0]) {
return MA_INVALID_ARGS;
}
}
*pInputBusCount = inputBusCount;
*pOutputBusCount = outputBusCount;
return MA_SUCCESS;
}
static ma_result ma_node_get_heap_layout(ma_node_graph* pNodeGraph, const ma_node_config* pConfig, ma_node_heap_layout* pHeapLayout)
{
ma_result result;
ma_uint32 inputBusCount;
ma_uint32 outputBusCount;
MA_ASSERT(pHeapLayout != NULL);
MA_ZERO_OBJECT(pHeapLayout);
if (pConfig == NULL || pConfig->vtable == NULL || pConfig->vtable->onProcess == NULL) {
return MA_INVALID_ARGS;
}
result = ma_node_translate_bus_counts(pConfig, &inputBusCount, &outputBusCount);
if (result != MA_SUCCESS) {
return result;
}
pHeapLayout->sizeInBytes = 0;
if (inputBusCount > MA_MAX_NODE_LOCAL_BUS_COUNT) {
pHeapLayout->inputBusOffset = pHeapLayout->sizeInBytes;
pHeapLayout->sizeInBytes += ma_align_64(sizeof(ma_node_input_bus) * inputBusCount);
} else {
pHeapLayout->inputBusOffset = MA_SIZE_MAX;
}
if (outputBusCount > MA_MAX_NODE_LOCAL_BUS_COUNT) {
pHeapLayout->outputBusOffset = pHeapLayout->sizeInBytes;
pHeapLayout->sizeInBytes += ma_align_64(sizeof(ma_node_output_bus) * outputBusCount);
} else {
pHeapLayout->outputBusOffset = MA_SIZE_MAX;
}
if (inputBusCount == 0 && outputBusCount == 1) {
pHeapLayout->cachedDataOffset = MA_SIZE_MAX;
} else {
size_t cachedDataSizeInBytes = 0;
ma_uint32 cacheCapInFrames;
ma_uint32 iBus;
cacheCapInFrames = ma_node_config_get_cache_size_in_frames(pConfig, pNodeGraph);
for (iBus = 0; iBus < inputBusCount; iBus += 1) {
cachedDataSizeInBytes += cacheCapInFrames * ma_get_bytes_per_frame(ma_format_f32, pConfig->pInputChannels[iBus]);
}
for (iBus = 0; iBus < outputBusCount; iBus += 1) {
cachedDataSizeInBytes += cacheCapInFrames * ma_get_bytes_per_frame(ma_format_f32, pConfig->pOutputChannels[iBus]);
}
pHeapLayout->cachedDataOffset = pHeapLayout->sizeInBytes;
pHeapLayout->sizeInBytes += ma_align_64(cachedDataSizeInBytes);
}
pHeapLayout->inputBusCount = inputBusCount;
pHeapLayout->outputBusCount = outputBusCount;
pHeapLayout->sizeInBytes = ma_align_64(pHeapLayout->sizeInBytes);
return MA_SUCCESS;
}
MA_API ma_result ma_node_get_heap_size(ma_node_graph* pNodeGraph, const ma_node_config* pConfig, size_t* pHeapSizeInBytes)
{
ma_result result;
ma_node_heap_layout heapLayout;
if (pHeapSizeInBytes == NULL) {
return MA_INVALID_ARGS;
}
*pHeapSizeInBytes = 0;
result = ma_node_get_heap_layout(pNodeGraph, pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return result;
}
*pHeapSizeInBytes = heapLayout.sizeInBytes;
return MA_SUCCESS;
}
MA_API ma_result ma_node_init_preallocated(ma_node_graph* pNodeGraph, const ma_node_config* pConfig, void* pHeap, ma_node* pNode)
{
ma_node_base* pNodeBase = (ma_node_base*)pNode;
ma_result result;
ma_node_heap_layout heapLayout;
ma_uint32 iInputBus;
ma_uint32 iOutputBus;
if (pNodeBase == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pNodeBase);
result = ma_node_get_heap_layout(pNodeGraph, pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return result;
}
pNodeBase->_pHeap = pHeap;
MA_ZERO_MEMORY(pHeap, heapLayout.sizeInBytes);
pNodeBase->pNodeGraph = pNodeGraph;
pNodeBase->vtable = pConfig->vtable;
pNodeBase->state = pConfig->initialState;
pNodeBase->stateTimes[ma_node_state_started] = 0;
pNodeBase->stateTimes[ma_node_state_stopped] = (ma_uint64)(ma_int64)-1;
pNodeBase->inputBusCount = heapLayout.inputBusCount;
pNodeBase->outputBusCount = heapLayout.outputBusCount;
if (heapLayout.inputBusOffset != MA_SIZE_MAX) {
pNodeBase->pInputBuses = (ma_node_input_bus*)ma_offset_ptr(pHeap, heapLayout.inputBusOffset);
} else {
pNodeBase->pInputBuses = pNodeBase->_inputBuses;
}
if (heapLayout.outputBusOffset != MA_SIZE_MAX) {
pNodeBase->pOutputBuses = (ma_node_output_bus*)ma_offset_ptr(pHeap, heapLayout.outputBusOffset);
} else {
pNodeBase->pOutputBuses = pNodeBase->_outputBuses;
}
if (heapLayout.cachedDataOffset != MA_SIZE_MAX) {
pNodeBase->pCachedData = (float*)ma_offset_ptr(pHeap, heapLayout.cachedDataOffset);
pNodeBase->cachedDataCapInFramesPerBus = ma_node_config_get_cache_size_in_frames(pConfig, pNodeGraph);
} else {
pNodeBase->pCachedData = NULL;
}
for (iInputBus = 0; iInputBus < ma_node_get_input_bus_count(pNodeBase); iInputBus += 1) {
result = ma_node_input_bus_init(pConfig->pInputChannels[iInputBus], &pNodeBase->pInputBuses[iInputBus]);
if (result != MA_SUCCESS) {
return result;
}
}
for (iOutputBus = 0; iOutputBus < ma_node_get_output_bus_count(pNodeBase); iOutputBus += 1) {
result = ma_node_output_bus_init(pNodeBase, iOutputBus, pConfig->pOutputChannels[iOutputBus], &pNodeBase->pOutputBuses[iOutputBus]);
if (result != MA_SUCCESS) {
return result;
}
}
if (pNodeBase->pCachedData != NULL) {
ma_uint32 iBus;
#if 1
for (iBus = 0; iBus < ma_node_get_input_bus_count(pNodeBase); iBus += 1) {
ma_silence_pcm_frames(ma_node_get_cached_input_ptr(pNode, iBus), pNodeBase->cachedDataCapInFramesPerBus, ma_format_f32, ma_node_input_bus_get_channels(&pNodeBase->pInputBuses[iBus]));
}
for (iBus = 0; iBus < ma_node_get_output_bus_count(pNodeBase); iBus += 1) {
ma_silence_pcm_frames(ma_node_get_cached_output_ptr(pNode, iBus), pNodeBase->cachedDataCapInFramesPerBus, ma_format_f32, ma_node_output_bus_get_channels(&pNodeBase->pOutputBuses[iBus]));
}
#else
for (iBus = 0; iBus < ma_node_get_input_bus_count(pNodeBase); iBus += 1) {
ma_debug_fill_pcm_frames_with_sine_wave(ma_node_get_cached_input_ptr(pNode, iBus), pNodeBase->cachedDataCapInFramesPerBus, ma_format_f32, ma_node_input_bus_get_channels(&pNodeBase->pInputBuses[iBus]), 48000);
}
for (iBus = 0; iBus < ma_node_get_output_bus_count(pNodeBase); iBus += 1) {
ma_debug_fill_pcm_frames_with_sine_wave(ma_node_get_cached_output_ptr(pNode, iBus), pNodeBase->cachedDataCapInFramesPerBus, ma_format_f32, ma_node_output_bus_get_channels(&pNodeBase->pOutputBuses[iBus]), 48000);
}
#endif
}
return MA_SUCCESS;
}
MA_API ma_result ma_node_init(ma_node_graph* pNodeGraph, const ma_node_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_node* pNode)
{
ma_result result;
size_t heapSizeInBytes;
void* pHeap;
result = ma_node_get_heap_size(pNodeGraph, pConfig, &heapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
if (heapSizeInBytes > 0) {
pHeap = ma_malloc(heapSizeInBytes, pAllocationCallbacks);
if (pHeap == NULL) {
return MA_OUT_OF_MEMORY;
}
} else {
pHeap = NULL;
}
result = ma_node_init_preallocated(pNodeGraph, pConfig, pHeap, pNode);
if (result != MA_SUCCESS) {
ma_free(pHeap, pAllocationCallbacks);
return result;
}
((ma_node_base*)pNode)->_ownsHeap = MA_TRUE;
return MA_SUCCESS;
}
MA_API void ma_node_uninit(ma_node* pNode, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_node_base* pNodeBase = (ma_node_base*)pNode;
if (pNodeBase == NULL) {
return;
}
ma_node_detach_full(pNode);
if (pNodeBase->_ownsHeap) {
ma_free(pNodeBase->_pHeap, pAllocationCallbacks);
}
}
MA_API ma_node_graph* ma_node_get_node_graph(const ma_node* pNode)
{
if (pNode == NULL) {
return NULL;
}
return ((const ma_node_base*)pNode)->pNodeGraph;
}
MA_API ma_uint32 ma_node_get_input_bus_count(const ma_node* pNode)
{
if (pNode == NULL) {
return 0;
}
return ((ma_node_base*)pNode)->inputBusCount;
}
MA_API ma_uint32 ma_node_get_output_bus_count(const ma_node* pNode)
{
if (pNode == NULL) {
return 0;
}
return ((ma_node_base*)pNode)->outputBusCount;
}
MA_API ma_uint32 ma_node_get_input_channels(const ma_node* pNode, ma_uint32 inputBusIndex)
{
const ma_node_base* pNodeBase = (const ma_node_base*)pNode;
if (pNode == NULL) {
return 0;
}
if (inputBusIndex >= ma_node_get_input_bus_count(pNode)) {
return 0;
}
return ma_node_input_bus_get_channels(&pNodeBase->pInputBuses[inputBusIndex]);
}
MA_API ma_uint32 ma_node_get_output_channels(const ma_node* pNode, ma_uint32 outputBusIndex)
{
const ma_node_base* pNodeBase = (const ma_node_base*)pNode;
if (pNode == NULL) {
return 0;
}
if (outputBusIndex >= ma_node_get_output_bus_count(pNode)) {
return 0;
}
return ma_node_output_bus_get_channels(&pNodeBase->pOutputBuses[outputBusIndex]);
}
static ma_result ma_node_detach_full(ma_node* pNode)
{
ma_node_base* pNodeBase = (ma_node_base*)pNode;
ma_uint32 iInputBus;
if (pNodeBase == NULL) {
return MA_INVALID_ARGS;
}
ma_node_detach_all_output_buses(pNode);
for (iInputBus = 0; iInputBus < ma_node_get_input_bus_count(pNode); iInputBus += 1) {
ma_node_input_bus* pInputBus;
ma_node_output_bus* pOutputBus;
pInputBus = &pNodeBase->pInputBuses[iInputBus];
for (pOutputBus = (ma_node_output_bus*)ma_atomic_load_ptr(&pInputBus->head.pNext); pOutputBus != NULL; pOutputBus = (ma_node_output_bus*)ma_atomic_load_ptr(&pInputBus->head.pNext)) {
ma_node_detach_output_bus(pOutputBus->pNode, pOutputBus->outputBusIndex);
}
}
return MA_SUCCESS;
}
MA_API ma_result ma_node_detach_output_bus(ma_node* pNode, ma_uint32 outputBusIndex)
{
ma_result result = MA_SUCCESS;
ma_node_base* pNodeBase = (ma_node_base*)pNode;
ma_node_base* pInputNodeBase;
if (pNode == NULL) {
return MA_INVALID_ARGS;
}
if (outputBusIndex >= ma_node_get_output_bus_count(pNode)) {
return MA_INVALID_ARGS;
}
ma_node_output_bus_lock(&pNodeBase->pOutputBuses[outputBusIndex]);
{
pInputNodeBase = (ma_node_base*)pNodeBase->pOutputBuses[outputBusIndex].pInputNode;
if (pInputNodeBase != NULL) {
ma_node_input_bus_detach__no_output_bus_lock(&pInputNodeBase->pInputBuses[pNodeBase->pOutputBuses[outputBusIndex].inputNodeInputBusIndex], &pNodeBase->pOutputBuses[outputBusIndex]);
}
}
ma_node_output_bus_unlock(&pNodeBase->pOutputBuses[outputBusIndex]);
return result;
}
MA_API ma_result ma_node_detach_all_output_buses(ma_node* pNode)
{
ma_uint32 iOutputBus;
if (pNode == NULL) {
return MA_INVALID_ARGS;
}
for (iOutputBus = 0; iOutputBus < ma_node_get_output_bus_count(pNode); iOutputBus += 1) {
ma_node_detach_output_bus(pNode, iOutputBus);
}
return MA_SUCCESS;
}
MA_API ma_result ma_node_attach_output_bus(ma_node* pNode, ma_uint32 outputBusIndex, ma_node* pOtherNode, ma_uint32 otherNodeInputBusIndex)
{
ma_node_base* pNodeBase = (ma_node_base*)pNode;
ma_node_base* pOtherNodeBase = (ma_node_base*)pOtherNode;
if (pNodeBase == NULL || pOtherNodeBase == NULL) {
return MA_INVALID_ARGS;
}
if (pNodeBase == pOtherNodeBase) {
return MA_INVALID_OPERATION;
}
if (outputBusIndex >= ma_node_get_output_bus_count(pNode) || otherNodeInputBusIndex >= ma_node_get_input_bus_count(pOtherNode)) {
return MA_INVALID_OPERATION;
}
if (ma_node_get_output_channels(pNode, outputBusIndex) != ma_node_get_input_channels(pOtherNode, otherNodeInputBusIndex)) {
return MA_INVALID_OPERATION;
}
ma_node_input_bus_attach(&pOtherNodeBase->pInputBuses[otherNodeInputBusIndex], &pNodeBase->pOutputBuses[outputBusIndex], pOtherNode, otherNodeInputBusIndex);
return MA_SUCCESS;
}
MA_API ma_result ma_node_set_output_bus_volume(ma_node* pNode, ma_uint32 outputBusIndex, float volume)
{
ma_node_base* pNodeBase = (ma_node_base*)pNode;
if (pNodeBase == NULL) {
return MA_INVALID_ARGS;
}
if (outputBusIndex >= ma_node_get_output_bus_count(pNode)) {
return MA_INVALID_ARGS;
}
return ma_node_output_bus_set_volume(&pNodeBase->pOutputBuses[outputBusIndex], volume);
}
MA_API float ma_node_get_output_bus_volume(const ma_node* pNode, ma_uint32 outputBusIndex)
{
const ma_node_base* pNodeBase = (const ma_node_base*)pNode;
if (pNodeBase == NULL) {
return 0;
}
if (outputBusIndex >= ma_node_get_output_bus_count(pNode)) {
return 0;
}
return ma_node_output_bus_get_volume(&pNodeBase->pOutputBuses[outputBusIndex]);
}
MA_API ma_result ma_node_set_state(ma_node* pNode, ma_node_state state)
{
ma_node_base* pNodeBase = (ma_node_base*)pNode;
if (pNodeBase == NULL) {
return MA_INVALID_ARGS;
}
ma_atomic_exchange_i32(&pNodeBase->state, state);
return MA_SUCCESS;
}
MA_API ma_node_state ma_node_get_state(const ma_node* pNode)
{
const ma_node_base* pNodeBase = (const ma_node_base*)pNode;
if (pNodeBase == NULL) {
return ma_node_state_stopped;
}
return (ma_node_state)ma_atomic_load_i32(&pNodeBase->state);
}
MA_API ma_result ma_node_set_state_time(ma_node* pNode, ma_node_state state, ma_uint64 globalTime)
{
if (pNode == NULL) {
return MA_INVALID_ARGS;
}
if (state != ma_node_state_started && state != ma_node_state_stopped) {
return MA_INVALID_ARGS;
}
ma_atomic_exchange_64(&((ma_node_base*)pNode)->stateTimes[state], globalTime);
return MA_SUCCESS;
}
MA_API ma_uint64 ma_node_get_state_time(const ma_node* pNode, ma_node_state state)
{
if (pNode == NULL) {
return 0;
}
if (state != ma_node_state_started && state != ma_node_state_stopped) {
return 0;
}
return ma_atomic_load_64(&((ma_node_base*)pNode)->stateTimes[state]);
}
MA_API ma_node_state ma_node_get_state_by_time(const ma_node* pNode, ma_uint64 globalTime)
{
if (pNode == NULL) {
return ma_node_state_stopped;
}
return ma_node_get_state_by_time_range(pNode, globalTime, globalTime);
}
MA_API ma_node_state ma_node_get_state_by_time_range(const ma_node* pNode, ma_uint64 globalTimeBeg, ma_uint64 globalTimeEnd)
{
ma_node_state state;
if (pNode == NULL) {
return ma_node_state_stopped;
}
state = ma_node_get_state(pNode);
if (state == ma_node_state_stopped) {
return ma_node_state_stopped;
}
if (ma_node_get_state_time(pNode, ma_node_state_stopped) < globalTimeBeg) {
return ma_node_state_stopped;
}
if (ma_node_get_state_time(pNode, ma_node_state_started) > globalTimeEnd) {
return ma_node_state_stopped;
}
return ma_node_state_started;
}
MA_API ma_uint64 ma_node_get_time(const ma_node* pNode)
{
if (pNode == NULL) {
return 0;
}
return ma_atomic_load_64(&((ma_node_base*)pNode)->localTime);
}
MA_API ma_result ma_node_set_time(ma_node* pNode, ma_uint64 localTime)
{
if (pNode == NULL) {
return MA_INVALID_ARGS;
}
ma_atomic_exchange_64(&((ma_node_base*)pNode)->localTime, localTime);
return MA_SUCCESS;
}
static void ma_node_process_pcm_frames_internal(ma_node* pNode, const float** ppFramesIn, ma_uint32* pFrameCountIn, float** ppFramesOut, ma_uint32* pFrameCountOut)
{
ma_node_base* pNodeBase = (ma_node_base*)pNode;
MA_ASSERT(pNode != NULL);
if (pNodeBase->vtable->onProcess) {
pNodeBase->vtable->onProcess(pNode, ppFramesIn, pFrameCountIn, ppFramesOut, pFrameCountOut);
}
}
static ma_result ma_node_read_pcm_frames(ma_node* pNode, ma_uint32 outputBusIndex, float* pFramesOut, ma_uint32 frameCount, ma_uint32* pFramesRead, ma_uint64 globalTime)
{
ma_node_base* pNodeBase = (ma_node_base*)pNode;
ma_result result = MA_SUCCESS;
ma_uint32 iInputBus;
ma_uint32 iOutputBus;
ma_uint32 inputBusCount;
ma_uint32 outputBusCount;
ma_uint32 totalFramesRead = 0;
float* ppFramesIn[MA_MAX_NODE_BUS_COUNT];
float* ppFramesOut[MA_MAX_NODE_BUS_COUNT];
ma_uint64 globalTimeBeg;
ma_uint64 globalTimeEnd;
ma_uint64 startTime;
ma_uint64 stopTime;
ma_uint32 timeOffsetBeg;
ma_uint32 timeOffsetEnd;
ma_uint32 frameCountIn;
ma_uint32 frameCountOut;
MA_ASSERT(pFramesRead != NULL);
if (pFramesRead == NULL) {
return MA_INVALID_ARGS;
}
*pFramesRead = 0;
if (pNodeBase == NULL) {
return MA_INVALID_ARGS;
}
if (outputBusIndex >= ma_node_get_output_bus_count(pNodeBase)) {
return MA_INVALID_ARGS;
}
globalTimeBeg = globalTime;
globalTimeEnd = globalTime + frameCount;
if (ma_node_get_state_by_time_range(pNode, globalTimeBeg, globalTimeEnd) != ma_node_state_started) {
return MA_SUCCESS;
}
startTime = ma_node_get_state_time(pNode, ma_node_state_started);
stopTime = ma_node_get_state_time(pNode, ma_node_state_stopped);
timeOffsetBeg = (globalTimeBeg < startTime) ? (ma_uint32)(startTime - globalTimeBeg) : 0;
timeOffsetEnd = (globalTimeEnd > stopTime) ? (ma_uint32)(globalTimeEnd - stopTime) : 0;
if (timeOffsetBeg > 0) {
MA_ASSERT(timeOffsetBeg <= frameCount);
if (timeOffsetBeg > frameCount) {
timeOffsetBeg = frameCount;
}
ma_silence_pcm_frames(pFramesOut, timeOffsetBeg, ma_format_f32, ma_node_get_output_channels(pNode, outputBusIndex));
pFramesOut += timeOffsetBeg * ma_node_get_output_channels(pNode, outputBusIndex);
frameCount -= timeOffsetBeg;
}
if (timeOffsetEnd > 0) {
MA_ASSERT(timeOffsetEnd <= frameCount);
if (timeOffsetEnd > frameCount) {
timeOffsetEnd = frameCount;
}
frameCount -= timeOffsetEnd;
}
inputBusCount = ma_node_get_input_bus_count(pNode);
outputBusCount = ma_node_get_output_bus_count(pNode);
if (inputBusCount == 0 && outputBusCount == 1) {
frameCountIn = 0;
frameCountOut = frameCount;
ppFramesOut[0] = pFramesOut;
if ((pNodeBase->vtable->flags & MA_NODE_FLAG_PASSTHROUGH) != 0) {
ma_silence_pcm_frames(pFramesOut, frameCount, ma_format_f32, ma_node_get_output_channels(pNode, outputBusIndex));
}
ma_node_process_pcm_frames_internal(pNode, NULL, &frameCountIn, ppFramesOut, &frameCountOut);
totalFramesRead = frameCountOut;
} else {
if ((pNodeBase->vtable->flags & MA_NODE_FLAG_PASSTHROUGH) != 0) {
MA_ASSERT(outputBusCount == inputBusCount);
MA_ASSERT(outputBusCount == 1);
MA_ASSERT(outputBusIndex == 0);
ppFramesOut[0] = pFramesOut;
ppFramesIn[0] = ppFramesOut[0];
result = ma_node_input_bus_read_pcm_frames(pNodeBase, &pNodeBase->pInputBuses[0], ppFramesIn[0], frameCount, &totalFramesRead, globalTime);
if (result == MA_SUCCESS) {
frameCountIn = totalFramesRead;
frameCountOut = totalFramesRead;
if (totalFramesRead > 0) {
ma_node_process_pcm_frames_internal(pNode, (const float**)ppFramesIn, &frameCountIn, ppFramesOut, &frameCountOut);
}
MA_ASSERT(frameCountIn == totalFramesRead);
MA_ASSERT(frameCountOut == totalFramesRead);
}
} else {
ma_uint32 framesToProcessIn;
ma_uint32 framesToProcessOut;
ma_bool32 consumeNullInput = MA_FALSE;
framesToProcessOut = frameCount;
if (framesToProcessOut > pNodeBase->cachedDataCapInFramesPerBus) {
framesToProcessOut = pNodeBase->cachedDataCapInFramesPerBus;
}
framesToProcessIn = frameCount;
if (pNodeBase->vtable->onGetRequiredInputFrameCount) {
pNodeBase->vtable->onGetRequiredInputFrameCount(pNode, framesToProcessOut, &framesToProcessIn);
}
if (framesToProcessIn > pNodeBase->cachedDataCapInFramesPerBus) {
framesToProcessIn = pNodeBase->cachedDataCapInFramesPerBus;
}
MA_ASSERT(framesToProcessIn <= 0xFFFF);
MA_ASSERT(framesToProcessOut <= 0xFFFF);
if (ma_node_output_bus_has_read(&pNodeBase->pOutputBuses[outputBusIndex])) {
pNodeBase->cachedFrameCountOut = 0;
for (;;) {
frameCountOut = 0;
for (iOutputBus = 0; iOutputBus < outputBusCount; iOutputBus += 1) {
ma_node_output_bus_set_has_read(&pNodeBase->pOutputBuses[iOutputBus], MA_FALSE);
ppFramesOut[iOutputBus] = ma_node_get_cached_output_ptr(pNode, iOutputBus);
}
if (pNodeBase->cachedFrameCountIn == 0) {
ma_uint32 maxFramesReadIn = 0;
for (iInputBus = 0; iInputBus < inputBusCount; iInputBus += 1) {
ma_uint32 framesRead;
ppFramesIn[iInputBus] = ma_node_get_cached_input_ptr(pNode, iInputBus);
result = ma_node_input_bus_read_pcm_frames(pNodeBase, &pNodeBase->pInputBuses[iInputBus], ppFramesIn[iInputBus], framesToProcessIn, &framesRead, globalTime);
if (result != MA_SUCCESS) {
framesRead = 0;
}
if (framesRead < framesToProcessIn) {
ma_silence_pcm_frames(ppFramesIn[iInputBus] + (framesRead * ma_node_get_input_channels(pNodeBase, iInputBus)), (framesToProcessIn - framesRead), ma_format_f32, ma_node_get_input_channels(pNodeBase, iInputBus));
}
maxFramesReadIn = ma_max(maxFramesReadIn, framesRead);
}
pNodeBase->consumedFrameCountIn = 0;
pNodeBase->cachedFrameCountIn = (ma_uint16)maxFramesReadIn;
} else {
for (iInputBus = 0; iInputBus < inputBusCount; iInputBus += 1) {
ppFramesIn[iInputBus] = ma_node_get_cached_input_ptr(pNode, iInputBus) + (pNodeBase->consumedFrameCountIn * ma_node_get_input_channels(pNodeBase, iInputBus));
}
}
if (pFramesOut != NULL) {
ppFramesOut[outputBusIndex] = ma_offset_pcm_frames_ptr_f32(pFramesOut, pNodeBase->cachedFrameCountOut, ma_node_get_output_channels(pNode, outputBusIndex));
}
frameCountOut = (framesToProcessOut - pNodeBase->cachedFrameCountOut);
if ((pNodeBase->vtable->flags & MA_NODE_FLAG_CONTINUOUS_PROCESSING) != 0) {
frameCountIn = framesToProcessIn;
if ((pNodeBase->vtable->flags & MA_NODE_FLAG_ALLOW_NULL_INPUT) != 0 && pNodeBase->consumedFrameCountIn == 0 && pNodeBase->cachedFrameCountIn == 0) {
consumeNullInput = MA_TRUE;
} else {
consumeNullInput = MA_FALSE;
}
if (pNodeBase->cachedFrameCountIn < (ma_uint16)frameCountIn) {
pNodeBase->cachedFrameCountIn = (ma_uint16)frameCountIn;
}
} else {
frameCountIn = pNodeBase->cachedFrameCountIn;
consumeNullInput = MA_FALSE;
}
if (consumeNullInput) {
ma_node_process_pcm_frames_internal(pNode, NULL, &frameCountIn, ppFramesOut, &frameCountOut);
} else {
if (frameCountIn > 0 || (pNodeBase->vtable->flags & MA_NODE_FLAG_DIFFERENT_PROCESSING_RATES) != 0) {
ma_node_process_pcm_frames_internal(pNode, (const float**)ppFramesIn, &frameCountIn, ppFramesOut, &frameCountOut);
} else {
frameCountOut = 0;
}
}
if (consumeNullInput == MA_FALSE) {
pNodeBase->consumedFrameCountIn += (ma_uint16)frameCountIn;
pNodeBase->cachedFrameCountIn -= (ma_uint16)frameCountIn;
}
pNodeBase->cachedFrameCountOut += (ma_uint16)frameCountOut;
if (pNodeBase->cachedFrameCountOut == framesToProcessOut || (frameCountOut == 0 && frameCountIn == 0)) {
break;
}
}
} else {
if (pFramesOut != NULL) {
ma_copy_pcm_frames(pFramesOut, ma_node_get_cached_output_ptr(pNodeBase, outputBusIndex), pNodeBase->cachedFrameCountOut, ma_format_f32, ma_node_get_output_channels(pNodeBase, outputBusIndex));
}
}
totalFramesRead = pNodeBase->cachedFrameCountOut;
ma_node_output_bus_set_has_read(&pNodeBase->pOutputBuses[outputBusIndex], MA_TRUE);
}
}
ma_apply_volume_factor_f32(pFramesOut, totalFramesRead * ma_node_get_output_channels(pNodeBase, outputBusIndex), ma_node_output_bus_get_volume(&pNodeBase->pOutputBuses[outputBusIndex]));
ma_atomic_fetch_add_64(&pNodeBase->localTime, (ma_uint64)totalFramesRead);
*pFramesRead = totalFramesRead + timeOffsetBeg;
return result;
}
MA_API ma_data_source_node_config ma_data_source_node_config_init(ma_data_source* pDataSource)
{
ma_data_source_node_config config;
MA_ZERO_OBJECT(&config);
config.nodeConfig = ma_node_config_init();
config.pDataSource = pDataSource;
return config;
}
static void ma_data_source_node_process_pcm_frames(ma_node* pNode, const float** ppFramesIn, ma_uint32* pFrameCountIn, float** ppFramesOut, ma_uint32* pFrameCountOut)
{
ma_data_source_node* pDataSourceNode = (ma_data_source_node*)pNode;
ma_format format;
ma_uint32 channels;
ma_uint32 frameCount;
ma_uint64 framesRead = 0;
MA_ASSERT(pDataSourceNode != NULL);
MA_ASSERT(pDataSourceNode->pDataSource != NULL);
MA_ASSERT(ma_node_get_input_bus_count(pDataSourceNode) == 0);
MA_ASSERT(ma_node_get_output_bus_count(pDataSourceNode) == 1);
(void)ppFramesIn;
(void)pFrameCountIn;
frameCount = *pFrameCountOut;
MA_ASSERT(frameCount > 0);
if (ma_data_source_get_data_format(pDataSourceNode->pDataSource, &format, &channels, NULL, NULL, 0) == MA_SUCCESS) {
MA_ASSERT(format == ma_format_f32);
(void)format;
ma_data_source_read_pcm_frames(pDataSourceNode->pDataSource, ppFramesOut[0], frameCount, &framesRead);
}
*pFrameCountOut = (ma_uint32)framesRead;
}
static ma_node_vtable g_ma_data_source_node_vtable =
{
ma_data_source_node_process_pcm_frames,
NULL,
0,
1,
0
};
MA_API ma_result ma_data_source_node_init(ma_node_graph* pNodeGraph, const ma_data_source_node_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_data_source_node* pDataSourceNode)
{
ma_result result;
ma_format format;
ma_uint32 channels;
ma_node_config baseConfig;
if (pDataSourceNode == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pDataSourceNode);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
result = ma_data_source_get_data_format(pConfig->pDataSource, &format, &channels, NULL, NULL, 0);
if (result != MA_SUCCESS) {
return result;
}
MA_ASSERT(format == ma_format_f32);
if (format != ma_format_f32) {
return MA_INVALID_ARGS;
}
baseConfig = pConfig->nodeConfig;
baseConfig.vtable = &g_ma_data_source_node_vtable;
if (baseConfig.pOutputChannels != NULL) {
return MA_INVALID_ARGS;
}
baseConfig.pOutputChannels = &channels;
result = ma_node_init(pNodeGraph, &baseConfig, pAllocationCallbacks, &pDataSourceNode->base);
if (result != MA_SUCCESS) {
return result;
}
pDataSourceNode->pDataSource = pConfig->pDataSource;
return MA_SUCCESS;
}
MA_API void ma_data_source_node_uninit(ma_data_source_node* pDataSourceNode, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_node_uninit(&pDataSourceNode->base, pAllocationCallbacks);
}
MA_API ma_result ma_data_source_node_set_looping(ma_data_source_node* pDataSourceNode, ma_bool32 isLooping)
{
if (pDataSourceNode == NULL) {
return MA_INVALID_ARGS;
}
return ma_data_source_set_looping(pDataSourceNode->pDataSource, isLooping);
}
MA_API ma_bool32 ma_data_source_node_is_looping(ma_data_source_node* pDataSourceNode)
{
if (pDataSourceNode == NULL) {
return MA_FALSE;
}
return ma_data_source_is_looping(pDataSourceNode->pDataSource);
}
MA_API ma_splitter_node_config ma_splitter_node_config_init(ma_uint32 channels)
{
ma_splitter_node_config config;
MA_ZERO_OBJECT(&config);
config.nodeConfig = ma_node_config_init();
config.channels = channels;
config.outputBusCount = 2;
return config;
}
static void ma_splitter_node_process_pcm_frames(ma_node* pNode, const float** ppFramesIn, ma_uint32* pFrameCountIn, float** ppFramesOut, ma_uint32* pFrameCountOut)
{
ma_node_base* pNodeBase = (ma_node_base*)pNode;
ma_uint32 iOutputBus;
ma_uint32 channels;
MA_ASSERT(pNodeBase != NULL);
MA_ASSERT(ma_node_get_input_bus_count(pNodeBase) == 1);
(void)pFrameCountIn;
channels = ma_node_get_input_channels(pNodeBase, 0);
for (iOutputBus = 0; iOutputBus < ma_node_get_output_bus_count(pNodeBase); iOutputBus += 1) {
ma_copy_pcm_frames(ppFramesOut[iOutputBus], ppFramesIn[0], *pFrameCountOut, ma_format_f32, channels);
}
}
static ma_node_vtable g_ma_splitter_node_vtable =
{
ma_splitter_node_process_pcm_frames,
NULL,
1,
MA_NODE_BUS_COUNT_UNKNOWN,
0
};
MA_API ma_result ma_splitter_node_init(ma_node_graph* pNodeGraph, const ma_splitter_node_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_splitter_node* pSplitterNode)
{
ma_result result;
ma_node_config baseConfig;
ma_uint32 pInputChannels[1];
ma_uint32 pOutputChannels[MA_MAX_NODE_BUS_COUNT];
ma_uint32 iOutputBus;
if (pSplitterNode == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pSplitterNode);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->outputBusCount > MA_MAX_NODE_BUS_COUNT) {
return MA_INVALID_ARGS;
}
pInputChannels[0] = pConfig->channels;
for (iOutputBus = 0; iOutputBus < pConfig->outputBusCount; iOutputBus += 1) {
pOutputChannels[iOutputBus] = pConfig->channels;
}
baseConfig = pConfig->nodeConfig;
baseConfig.vtable = &g_ma_splitter_node_vtable;
baseConfig.pInputChannels = pInputChannels;
baseConfig.pOutputChannels = pOutputChannels;
baseConfig.outputBusCount = pConfig->outputBusCount;
result = ma_node_init(pNodeGraph, &baseConfig, pAllocationCallbacks, &pSplitterNode->base);
if (result != MA_SUCCESS) {
return result;
}
return MA_SUCCESS;
}
MA_API void ma_splitter_node_uninit(ma_splitter_node* pSplitterNode, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_node_uninit(pSplitterNode, pAllocationCallbacks);
}
MA_API ma_biquad_node_config ma_biquad_node_config_init(ma_uint32 channels, float b0, float b1, float b2, float a0, float a1, float a2)
{
ma_biquad_node_config config;
config.nodeConfig = ma_node_config_init();
config.biquad = ma_biquad_config_init(ma_format_f32, channels, b0, b1, b2, a0, a1, a2);
return config;
}
static void ma_biquad_node_process_pcm_frames(ma_node* pNode, const float** ppFramesIn, ma_uint32* pFrameCountIn, float** ppFramesOut, ma_uint32* pFrameCountOut)
{
ma_biquad_node* pLPFNode = (ma_biquad_node*)pNode;
MA_ASSERT(pNode != NULL);
(void)pFrameCountIn;
ma_biquad_process_pcm_frames(&pLPFNode->biquad, ppFramesOut[0], ppFramesIn[0], *pFrameCountOut);
}
static ma_node_vtable g_ma_biquad_node_vtable =
{
ma_biquad_node_process_pcm_frames,
NULL,
1,
1,
0
};
MA_API ma_result ma_biquad_node_init(ma_node_graph* pNodeGraph, const ma_biquad_node_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_biquad_node* pNode)
{
ma_result result;
ma_node_config baseNodeConfig;
if (pNode == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pNode);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->biquad.format != ma_format_f32) {
return MA_INVALID_ARGS;
}
result = ma_biquad_init(&pConfig->biquad, pAllocationCallbacks, &pNode->biquad);
if (result != MA_SUCCESS) {
return result;
}
baseNodeConfig = ma_node_config_init();
baseNodeConfig.vtable = &g_ma_biquad_node_vtable;
baseNodeConfig.pInputChannels = &pConfig->biquad.channels;
baseNodeConfig.pOutputChannels = &pConfig->biquad.channels;
result = ma_node_init(pNodeGraph, &baseNodeConfig, pAllocationCallbacks, pNode);
if (result != MA_SUCCESS) {
return result;
}
return result;
}
MA_API ma_result ma_biquad_node_reinit(const ma_biquad_config* pConfig, ma_biquad_node* pNode)
{
ma_biquad_node* pLPFNode = (ma_biquad_node*)pNode;
MA_ASSERT(pNode != NULL);
return ma_biquad_reinit(pConfig, &pLPFNode->biquad);
}
MA_API void ma_biquad_node_uninit(ma_biquad_node* pNode, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_biquad_node* pLPFNode = (ma_biquad_node*)pNode;
if (pNode == NULL) {
return;
}
ma_node_uninit(pNode, pAllocationCallbacks);
ma_biquad_uninit(&pLPFNode->biquad, pAllocationCallbacks);
}
MA_API ma_lpf_node_config ma_lpf_node_config_init(ma_uint32 channels, ma_uint32 sampleRate, double cutoffFrequency, ma_uint32 order)
{
ma_lpf_node_config config;
config.nodeConfig = ma_node_config_init();
config.lpf = ma_lpf_config_init(ma_format_f32, channels, sampleRate, cutoffFrequency, order);
return config;
}
static void ma_lpf_node_process_pcm_frames(ma_node* pNode, const float** ppFramesIn, ma_uint32* pFrameCountIn, float** ppFramesOut, ma_uint32* pFrameCountOut)
{
ma_lpf_node* pLPFNode = (ma_lpf_node*)pNode;
MA_ASSERT(pNode != NULL);
(void)pFrameCountIn;
ma_lpf_process_pcm_frames(&pLPFNode->lpf, ppFramesOut[0], ppFramesIn[0], *pFrameCountOut);
}
static ma_node_vtable g_ma_lpf_node_vtable =
{
ma_lpf_node_process_pcm_frames,
NULL,
1,
1,
0
};
MA_API ma_result ma_lpf_node_init(ma_node_graph* pNodeGraph, const ma_lpf_node_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_lpf_node* pNode)
{
ma_result result;
ma_node_config baseNodeConfig;
if (pNode == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pNode);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->lpf.format != ma_format_f32) {
return MA_INVALID_ARGS;
}
result = ma_lpf_init(&pConfig->lpf, pAllocationCallbacks, &pNode->lpf);
if (result != MA_SUCCESS) {
return result;
}
baseNodeConfig = ma_node_config_init();
baseNodeConfig.vtable = &g_ma_lpf_node_vtable;
baseNodeConfig.pInputChannels = &pConfig->lpf.channels;
baseNodeConfig.pOutputChannels = &pConfig->lpf.channels;
result = ma_node_init(pNodeGraph, &baseNodeConfig, pAllocationCallbacks, pNode);
if (result != MA_SUCCESS) {
return result;
}
return result;
}
MA_API ma_result ma_lpf_node_reinit(const ma_lpf_config* pConfig, ma_lpf_node* pNode)
{
ma_lpf_node* pLPFNode = (ma_lpf_node*)pNode;
if (pNode == NULL) {
return MA_INVALID_ARGS;
}
return ma_lpf_reinit(pConfig, &pLPFNode->lpf);
}
MA_API void ma_lpf_node_uninit(ma_lpf_node* pNode, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_lpf_node* pLPFNode = (ma_lpf_node*)pNode;
if (pNode == NULL) {
return;
}
ma_node_uninit(pNode, pAllocationCallbacks);
ma_lpf_uninit(&pLPFNode->lpf, pAllocationCallbacks);
}
MA_API ma_hpf_node_config ma_hpf_node_config_init(ma_uint32 channels, ma_uint32 sampleRate, double cutoffFrequency, ma_uint32 order)
{
ma_hpf_node_config config;
config.nodeConfig = ma_node_config_init();
config.hpf = ma_hpf_config_init(ma_format_f32, channels, sampleRate, cutoffFrequency, order);
return config;
}
static void ma_hpf_node_process_pcm_frames(ma_node* pNode, const float** ppFramesIn, ma_uint32* pFrameCountIn, float** ppFramesOut, ma_uint32* pFrameCountOut)
{
ma_hpf_node* pHPFNode = (ma_hpf_node*)pNode;
MA_ASSERT(pNode != NULL);
(void)pFrameCountIn;
ma_hpf_process_pcm_frames(&pHPFNode->hpf, ppFramesOut[0], ppFramesIn[0], *pFrameCountOut);
}
static ma_node_vtable g_ma_hpf_node_vtable =
{
ma_hpf_node_process_pcm_frames,
NULL,
1,
1,
0
};
MA_API ma_result ma_hpf_node_init(ma_node_graph* pNodeGraph, const ma_hpf_node_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_hpf_node* pNode)
{
ma_result result;
ma_node_config baseNodeConfig;
if (pNode == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pNode);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->hpf.format != ma_format_f32) {
return MA_INVALID_ARGS;
}
result = ma_hpf_init(&pConfig->hpf, pAllocationCallbacks, &pNode->hpf);
if (result != MA_SUCCESS) {
return result;
}
baseNodeConfig = ma_node_config_init();
baseNodeConfig.vtable = &g_ma_hpf_node_vtable;
baseNodeConfig.pInputChannels = &pConfig->hpf.channels;
baseNodeConfig.pOutputChannels = &pConfig->hpf.channels;
result = ma_node_init(pNodeGraph, &baseNodeConfig, pAllocationCallbacks, pNode);
if (result != MA_SUCCESS) {
return result;
}
return result;
}
MA_API ma_result ma_hpf_node_reinit(const ma_hpf_config* pConfig, ma_hpf_node* pNode)
{
ma_hpf_node* pHPFNode = (ma_hpf_node*)pNode;
if (pNode == NULL) {
return MA_INVALID_ARGS;
}
return ma_hpf_reinit(pConfig, &pHPFNode->hpf);
}
MA_API void ma_hpf_node_uninit(ma_hpf_node* pNode, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_hpf_node* pHPFNode = (ma_hpf_node*)pNode;
if (pNode == NULL) {
return;
}
ma_node_uninit(pNode, pAllocationCallbacks);
ma_hpf_uninit(&pHPFNode->hpf, pAllocationCallbacks);
}
MA_API ma_bpf_node_config ma_bpf_node_config_init(ma_uint32 channels, ma_uint32 sampleRate, double cutoffFrequency, ma_uint32 order)
{
ma_bpf_node_config config;
config.nodeConfig = ma_node_config_init();
config.bpf = ma_bpf_config_init(ma_format_f32, channels, sampleRate, cutoffFrequency, order);
return config;
}
static void ma_bpf_node_process_pcm_frames(ma_node* pNode, const float** ppFramesIn, ma_uint32* pFrameCountIn, float** ppFramesOut, ma_uint32* pFrameCountOut)
{
ma_bpf_node* pBPFNode = (ma_bpf_node*)pNode;
MA_ASSERT(pNode != NULL);
(void)pFrameCountIn;
ma_bpf_process_pcm_frames(&pBPFNode->bpf, ppFramesOut[0], ppFramesIn[0], *pFrameCountOut);
}
static ma_node_vtable g_ma_bpf_node_vtable =
{
ma_bpf_node_process_pcm_frames,
NULL,
1,
1,
0
};
MA_API ma_result ma_bpf_node_init(ma_node_graph* pNodeGraph, const ma_bpf_node_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_bpf_node* pNode)
{
ma_result result;
ma_node_config baseNodeConfig;
if (pNode == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pNode);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->bpf.format != ma_format_f32) {
return MA_INVALID_ARGS;
}
result = ma_bpf_init(&pConfig->bpf, pAllocationCallbacks, &pNode->bpf);
if (result != MA_SUCCESS) {
return result;
}
baseNodeConfig = ma_node_config_init();
baseNodeConfig.vtable = &g_ma_bpf_node_vtable;
baseNodeConfig.pInputChannels = &pConfig->bpf.channels;
baseNodeConfig.pOutputChannels = &pConfig->bpf.channels;
result = ma_node_init(pNodeGraph, &baseNodeConfig, pAllocationCallbacks, pNode);
if (result != MA_SUCCESS) {
return result;
}
return result;
}
MA_API ma_result ma_bpf_node_reinit(const ma_bpf_config* pConfig, ma_bpf_node* pNode)
{
ma_bpf_node* pBPFNode = (ma_bpf_node*)pNode;
if (pNode == NULL) {
return MA_INVALID_ARGS;
}
return ma_bpf_reinit(pConfig, &pBPFNode->bpf);
}
MA_API void ma_bpf_node_uninit(ma_bpf_node* pNode, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_bpf_node* pBPFNode = (ma_bpf_node*)pNode;
if (pNode == NULL) {
return;
}
ma_node_uninit(pNode, pAllocationCallbacks);
ma_bpf_uninit(&pBPFNode->bpf, pAllocationCallbacks);
}
MA_API ma_notch_node_config ma_notch_node_config_init(ma_uint32 channels, ma_uint32 sampleRate, double q, double frequency)
{
ma_notch_node_config config;
config.nodeConfig = ma_node_config_init();
config.notch = ma_notch2_config_init(ma_format_f32, channels, sampleRate, q, frequency);
return config;
}
static void ma_notch_node_process_pcm_frames(ma_node* pNode, const float** ppFramesIn, ma_uint32* pFrameCountIn, float** ppFramesOut, ma_uint32* pFrameCountOut)
{
ma_notch_node* pBPFNode = (ma_notch_node*)pNode;
MA_ASSERT(pNode != NULL);
(void)pFrameCountIn;
ma_notch2_process_pcm_frames(&pBPFNode->notch, ppFramesOut[0], ppFramesIn[0], *pFrameCountOut);
}
static ma_node_vtable g_ma_notch_node_vtable =
{
ma_notch_node_process_pcm_frames,
NULL,
1,
1,
0
};
MA_API ma_result ma_notch_node_init(ma_node_graph* pNodeGraph, const ma_notch_node_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_notch_node* pNode)
{
ma_result result;
ma_node_config baseNodeConfig;
if (pNode == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pNode);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->notch.format != ma_format_f32) {
return MA_INVALID_ARGS;
}
result = ma_notch2_init(&pConfig->notch, pAllocationCallbacks, &pNode->notch);
if (result != MA_SUCCESS) {
return result;
}
baseNodeConfig = ma_node_config_init();
baseNodeConfig.vtable = &g_ma_notch_node_vtable;
baseNodeConfig.pInputChannels = &pConfig->notch.channels;
baseNodeConfig.pOutputChannels = &pConfig->notch.channels;
result = ma_node_init(pNodeGraph, &baseNodeConfig, pAllocationCallbacks, pNode);
if (result != MA_SUCCESS) {
return result;
}
return result;
}
MA_API ma_result ma_notch_node_reinit(const ma_notch_config* pConfig, ma_notch_node* pNode)
{
ma_notch_node* pNotchNode = (ma_notch_node*)pNode;
if (pNode == NULL) {
return MA_INVALID_ARGS;
}
return ma_notch2_reinit(pConfig, &pNotchNode->notch);
}
MA_API void ma_notch_node_uninit(ma_notch_node* pNode, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_notch_node* pNotchNode = (ma_notch_node*)pNode;
if (pNode == NULL) {
return;
}
ma_node_uninit(pNode, pAllocationCallbacks);
ma_notch2_uninit(&pNotchNode->notch, pAllocationCallbacks);
}
MA_API ma_peak_node_config ma_peak_node_config_init(ma_uint32 channels, ma_uint32 sampleRate, double gainDB, double q, double frequency)
{
ma_peak_node_config config;
config.nodeConfig = ma_node_config_init();
config.peak = ma_peak2_config_init(ma_format_f32, channels, sampleRate, gainDB, q, frequency);
return config;
}
static void ma_peak_node_process_pcm_frames(ma_node* pNode, const float** ppFramesIn, ma_uint32* pFrameCountIn, float** ppFramesOut, ma_uint32* pFrameCountOut)
{
ma_peak_node* pBPFNode = (ma_peak_node*)pNode;
MA_ASSERT(pNode != NULL);
(void)pFrameCountIn;
ma_peak2_process_pcm_frames(&pBPFNode->peak, ppFramesOut[0], ppFramesIn[0], *pFrameCountOut);
}
static ma_node_vtable g_ma_peak_node_vtable =
{
ma_peak_node_process_pcm_frames,
NULL,
1,
1,
0
};
MA_API ma_result ma_peak_node_init(ma_node_graph* pNodeGraph, const ma_peak_node_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_peak_node* pNode)
{
ma_result result;
ma_node_config baseNodeConfig;
if (pNode == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pNode);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->peak.format != ma_format_f32) {
return MA_INVALID_ARGS;
}
result = ma_peak2_init(&pConfig->peak, pAllocationCallbacks, &pNode->peak);
if (result != MA_SUCCESS) {
ma_node_uninit(pNode, pAllocationCallbacks);
return result;
}
baseNodeConfig = ma_node_config_init();
baseNodeConfig.vtable = &g_ma_peak_node_vtable;
baseNodeConfig.pInputChannels = &pConfig->peak.channels;
baseNodeConfig.pOutputChannels = &pConfig->peak.channels;
result = ma_node_init(pNodeGraph, &baseNodeConfig, pAllocationCallbacks, pNode);
if (result != MA_SUCCESS) {
return result;
}
return result;
}
MA_API ma_result ma_peak_node_reinit(const ma_peak_config* pConfig, ma_peak_node* pNode)
{
ma_peak_node* pPeakNode = (ma_peak_node*)pNode;
if (pNode == NULL) {
return MA_INVALID_ARGS;
}
return ma_peak2_reinit(pConfig, &pPeakNode->peak);
}
MA_API void ma_peak_node_uninit(ma_peak_node* pNode, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_peak_node* pPeakNode = (ma_peak_node*)pNode;
if (pNode == NULL) {
return;
}
ma_node_uninit(pNode, pAllocationCallbacks);
ma_peak2_uninit(&pPeakNode->peak, pAllocationCallbacks);
}
MA_API ma_loshelf_node_config ma_loshelf_node_config_init(ma_uint32 channels, ma_uint32 sampleRate, double gainDB, double q, double frequency)
{
ma_loshelf_node_config config;
config.nodeConfig = ma_node_config_init();
config.loshelf = ma_loshelf2_config_init(ma_format_f32, channels, sampleRate, gainDB, q, frequency);
return config;
}
static void ma_loshelf_node_process_pcm_frames(ma_node* pNode, const float** ppFramesIn, ma_uint32* pFrameCountIn, float** ppFramesOut, ma_uint32* pFrameCountOut)
{
ma_loshelf_node* pBPFNode = (ma_loshelf_node*)pNode;
MA_ASSERT(pNode != NULL);
(void)pFrameCountIn;
ma_loshelf2_process_pcm_frames(&pBPFNode->loshelf, ppFramesOut[0], ppFramesIn[0], *pFrameCountOut);
}
static ma_node_vtable g_ma_loshelf_node_vtable =
{
ma_loshelf_node_process_pcm_frames,
NULL,
1,
1,
0
};
MA_API ma_result ma_loshelf_node_init(ma_node_graph* pNodeGraph, const ma_loshelf_node_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_loshelf_node* pNode)
{
ma_result result;
ma_node_config baseNodeConfig;
if (pNode == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pNode);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->loshelf.format != ma_format_f32) {
return MA_INVALID_ARGS;
}
result = ma_loshelf2_init(&pConfig->loshelf, pAllocationCallbacks, &pNode->loshelf);
if (result != MA_SUCCESS) {
return result;
}
baseNodeConfig = ma_node_config_init();
baseNodeConfig.vtable = &g_ma_loshelf_node_vtable;
baseNodeConfig.pInputChannels = &pConfig->loshelf.channels;
baseNodeConfig.pOutputChannels = &pConfig->loshelf.channels;
result = ma_node_init(pNodeGraph, &baseNodeConfig, pAllocationCallbacks, pNode);
if (result != MA_SUCCESS) {
return result;
}
return result;
}
MA_API ma_result ma_loshelf_node_reinit(const ma_loshelf_config* pConfig, ma_loshelf_node* pNode)
{
ma_loshelf_node* pLoshelfNode = (ma_loshelf_node*)pNode;
if (pNode == NULL) {
return MA_INVALID_ARGS;
}
return ma_loshelf2_reinit(pConfig, &pLoshelfNode->loshelf);
}
MA_API void ma_loshelf_node_uninit(ma_loshelf_node* pNode, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_loshelf_node* pLoshelfNode = (ma_loshelf_node*)pNode;
if (pNode == NULL) {
return;
}
ma_node_uninit(pNode, pAllocationCallbacks);
ma_loshelf2_uninit(&pLoshelfNode->loshelf, pAllocationCallbacks);
}
MA_API ma_hishelf_node_config ma_hishelf_node_config_init(ma_uint32 channels, ma_uint32 sampleRate, double gainDB, double q, double frequency)
{
ma_hishelf_node_config config;
config.nodeConfig = ma_node_config_init();
config.hishelf = ma_hishelf2_config_init(ma_format_f32, channels, sampleRate, gainDB, q, frequency);
return config;
}
static void ma_hishelf_node_process_pcm_frames(ma_node* pNode, const float** ppFramesIn, ma_uint32* pFrameCountIn, float** ppFramesOut, ma_uint32* pFrameCountOut)
{
ma_hishelf_node* pBPFNode = (ma_hishelf_node*)pNode;
MA_ASSERT(pNode != NULL);
(void)pFrameCountIn;
ma_hishelf2_process_pcm_frames(&pBPFNode->hishelf, ppFramesOut[0], ppFramesIn[0], *pFrameCountOut);
}
static ma_node_vtable g_ma_hishelf_node_vtable =
{
ma_hishelf_node_process_pcm_frames,
NULL,
1,
1,
0
};
MA_API ma_result ma_hishelf_node_init(ma_node_graph* pNodeGraph, const ma_hishelf_node_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_hishelf_node* pNode)
{
ma_result result;
ma_node_config baseNodeConfig;
if (pNode == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pNode);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->hishelf.format != ma_format_f32) {
return MA_INVALID_ARGS;
}
result = ma_hishelf2_init(&pConfig->hishelf, pAllocationCallbacks, &pNode->hishelf);
if (result != MA_SUCCESS) {
return result;
}
baseNodeConfig = ma_node_config_init();
baseNodeConfig.vtable = &g_ma_hishelf_node_vtable;
baseNodeConfig.pInputChannels = &pConfig->hishelf.channels;
baseNodeConfig.pOutputChannels = &pConfig->hishelf.channels;
result = ma_node_init(pNodeGraph, &baseNodeConfig, pAllocationCallbacks, pNode);
if (result != MA_SUCCESS) {
return result;
}
return result;
}
MA_API ma_result ma_hishelf_node_reinit(const ma_hishelf_config* pConfig, ma_hishelf_node* pNode)
{
ma_hishelf_node* pHishelfNode = (ma_hishelf_node*)pNode;
if (pNode == NULL) {
return MA_INVALID_ARGS;
}
return ma_hishelf2_reinit(pConfig, &pHishelfNode->hishelf);
}
MA_API void ma_hishelf_node_uninit(ma_hishelf_node* pNode, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_hishelf_node* pHishelfNode = (ma_hishelf_node*)pNode;
if (pNode == NULL) {
return;
}
ma_node_uninit(pNode, pAllocationCallbacks);
ma_hishelf2_uninit(&pHishelfNode->hishelf, pAllocationCallbacks);
}
MA_API ma_delay_node_config ma_delay_node_config_init(ma_uint32 channels, ma_uint32 sampleRate, ma_uint32 delayInFrames, float decay)
{
ma_delay_node_config config;
config.nodeConfig = ma_node_config_init();
config.delay = ma_delay_config_init(channels, sampleRate, delayInFrames, decay);
return config;
}
static void ma_delay_node_process_pcm_frames(ma_node* pNode, const float** ppFramesIn, ma_uint32* pFrameCountIn, float** ppFramesOut, ma_uint32* pFrameCountOut)
{
ma_delay_node* pDelayNode = (ma_delay_node*)pNode;
(void)pFrameCountIn;
ma_delay_process_pcm_frames(&pDelayNode->delay, ppFramesOut[0], ppFramesIn[0], *pFrameCountOut);
}
static ma_node_vtable g_ma_delay_node_vtable =
{
ma_delay_node_process_pcm_frames,
NULL,
1,
1,
MA_NODE_FLAG_CONTINUOUS_PROCESSING
};
MA_API ma_result ma_delay_node_init(ma_node_graph* pNodeGraph, const ma_delay_node_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_delay_node* pDelayNode)
{
ma_result result;
ma_node_config baseConfig;
if (pDelayNode == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pDelayNode);
result = ma_delay_init(&pConfig->delay, pAllocationCallbacks, &pDelayNode->delay);
if (result != MA_SUCCESS) {
return result;
}
baseConfig = pConfig->nodeConfig;
baseConfig.vtable = &g_ma_delay_node_vtable;
baseConfig.pInputChannels = &pConfig->delay.channels;
baseConfig.pOutputChannels = &pConfig->delay.channels;
result = ma_node_init(pNodeGraph, &baseConfig, pAllocationCallbacks, &pDelayNode->baseNode);
if (result != MA_SUCCESS) {
ma_delay_uninit(&pDelayNode->delay, pAllocationCallbacks);
return result;
}
return result;
}
MA_API void ma_delay_node_uninit(ma_delay_node* pDelayNode, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pDelayNode == NULL) {
return;
}
ma_node_uninit(pDelayNode, pAllocationCallbacks);
ma_delay_uninit(&pDelayNode->delay, pAllocationCallbacks);
}
MA_API void ma_delay_node_set_wet(ma_delay_node* pDelayNode, float value)
{
if (pDelayNode == NULL) {
return;
}
ma_delay_set_wet(&pDelayNode->delay, value);
}
MA_API float ma_delay_node_get_wet(const ma_delay_node* pDelayNode)
{
if (pDelayNode == NULL) {
return 0;
}
return ma_delay_get_wet(&pDelayNode->delay);
}
MA_API void ma_delay_node_set_dry(ma_delay_node* pDelayNode, float value)
{
if (pDelayNode == NULL) {
return;
}
ma_delay_set_dry(&pDelayNode->delay, value);
}
MA_API float ma_delay_node_get_dry(const ma_delay_node* pDelayNode)
{
if (pDelayNode == NULL) {
return 0;
}
return ma_delay_get_dry(&pDelayNode->delay);
}
MA_API void ma_delay_node_set_decay(ma_delay_node* pDelayNode, float value)
{
if (pDelayNode == NULL) {
return;
}
ma_delay_set_decay(&pDelayNode->delay, value);
}
MA_API float ma_delay_node_get_decay(const ma_delay_node* pDelayNode)
{
if (pDelayNode == NULL) {
return 0;
}
return ma_delay_get_decay(&pDelayNode->delay);
}
#endif
#if !defined(MA_NO_ENGINE) && !defined(MA_NO_NODE_GRAPH)
#define MA_SEEK_TARGET_NONE (~(ma_uint64)0)
static void ma_sound_set_at_end(ma_sound* pSound, ma_bool32 atEnd)
{
MA_ASSERT(pSound != NULL);
ma_atomic_exchange_32(&pSound->atEnd, atEnd);
#if 0
if (atEnd) {
if (pSound->endCallback != NULL) {
pSound->endCallback(pSound->pEndCallbackUserData, pSound);
}
}
#endif
}
static ma_bool32 ma_sound_get_at_end(const ma_sound* pSound)
{
MA_ASSERT(pSound != NULL);
return ma_atomic_load_32(&pSound->atEnd);
}
MA_API ma_engine_node_config ma_engine_node_config_init(ma_engine* pEngine, ma_engine_node_type type, ma_uint32 flags)
{
ma_engine_node_config config;
MA_ZERO_OBJECT(&config);
config.pEngine = pEngine;
config.type = type;
config.isPitchDisabled = (flags & MA_SOUND_FLAG_NO_PITCH) != 0;
config.isSpatializationDisabled = (flags & MA_SOUND_FLAG_NO_SPATIALIZATION) != 0;
config.monoExpansionMode = pEngine->monoExpansionMode;
config.resampling = pEngine->pitchResamplingConfig;
return config;
}
static void ma_engine_node_update_pitch_if_required(ma_engine_node* pEngineNode)
{
ma_bool32 isUpdateRequired = MA_FALSE;
float newPitch;
MA_ASSERT(pEngineNode != NULL);
newPitch = ma_atomic_load_explicit_f32(&pEngineNode->pitch, ma_atomic_memory_order_acquire);
if (pEngineNode->oldPitch != newPitch) {
pEngineNode->oldPitch = newPitch;
isUpdateRequired = MA_TRUE;
}
if (pEngineNode->oldDopplerPitch != pEngineNode->spatializer.dopplerPitch) {
pEngineNode->oldDopplerPitch = pEngineNode->spatializer.dopplerPitch;
isUpdateRequired = MA_TRUE;
}
if (isUpdateRequired) {
float basePitch = (float)pEngineNode->sampleRate / ma_engine_get_sample_rate(pEngineNode->pEngine);
ma_resampler_set_rate_ratio(&pEngineNode->resampler, basePitch * pEngineNode->oldPitch * pEngineNode->oldDopplerPitch);
}
}
static ma_bool32 ma_engine_node_is_pitching_enabled(const ma_engine_node* pEngineNode)
{
MA_ASSERT(pEngineNode != NULL);
return !ma_atomic_load_explicit_32(&pEngineNode->isPitchDisabled, ma_atomic_memory_order_acquire);
}
static ma_bool32 ma_engine_node_is_spatialization_enabled(const ma_engine_node* pEngineNode)
{
MA_ASSERT(pEngineNode != NULL);
return !ma_atomic_load_explicit_32(&pEngineNode->isSpatializationDisabled, ma_atomic_memory_order_acquire);
}
static ma_result ma_engine_node_set_volume(ma_engine_node* pEngineNode, float volume)
{
if (pEngineNode == NULL) {
return MA_INVALID_ARGS;
}
ma_atomic_float_set(&pEngineNode->volume, volume);
if (pEngineNode->volumeSmoothTimeInPCMFrames == 0) {
ma_spatializer_set_master_volume(&pEngineNode->spatializer, volume);
} else {
ma_gainer_set_gain(&pEngineNode->volumeGainer, volume);
}
return MA_SUCCESS;
}
static ma_result ma_engine_node_get_volume(const ma_engine_node* pEngineNode, float* pVolume)
{
if (pVolume == NULL) {
return MA_INVALID_ARGS;
}
*pVolume = 0.0f;
if (pEngineNode == NULL) {
return MA_INVALID_ARGS;
}
*pVolume = ma_atomic_float_get((ma_atomic_float*)&pEngineNode->volume);
return MA_SUCCESS;
}
static void ma_engine_node_process_pcm_frames__general(ma_engine_node* pEngineNode, const float** ppFramesIn, ma_uint32* pFrameCountIn, float** ppFramesOut, ma_uint32* pFrameCountOut)
{
ma_uint32 frameCountIn;
ma_uint32 frameCountOut;
ma_uint32 totalFramesProcessedIn;
ma_uint32 totalFramesProcessedOut;
ma_uint32 channelsIn;
ma_uint32 channelsOut;
ma_bool32 isPitchingEnabled;
ma_bool32 isFadingEnabled;
ma_bool32 isSpatializationEnabled;
ma_bool32 isPanningEnabled;
ma_bool32 isVolumeSmoothingEnabled;
frameCountIn = *pFrameCountIn;
frameCountOut = *pFrameCountOut;
channelsIn = ma_spatializer_get_input_channels(&pEngineNode->spatializer);
channelsOut = ma_spatializer_get_output_channels(&pEngineNode->spatializer);
totalFramesProcessedIn = 0;
totalFramesProcessedOut = 0;
{
ma_uint64 fadeLengthInFrames = ma_atomic_uint64_get(&pEngineNode->fadeSettings.fadeLengthInFrames);
if (fadeLengthInFrames != ~(ma_uint64)0) {
float fadeVolumeBeg = ma_atomic_float_get(&pEngineNode->fadeSettings.volumeBeg);
float fadeVolumeEnd = ma_atomic_float_get(&pEngineNode->fadeSettings.volumeEnd);
ma_int64 fadeStartOffsetInFrames = (ma_int64)ma_atomic_uint64_get(&pEngineNode->fadeSettings.absoluteGlobalTimeInFrames);
if (fadeStartOffsetInFrames == (ma_int64)(~(ma_uint64)0)) {
fadeStartOffsetInFrames = 0;
} else {
fadeStartOffsetInFrames -= ma_engine_get_time_in_pcm_frames(pEngineNode->pEngine);
}
ma_fader_set_fade_ex(&pEngineNode->fader, fadeVolumeBeg, fadeVolumeEnd, fadeLengthInFrames, fadeStartOffsetInFrames);
ma_atomic_uint64_set(&pEngineNode->fadeSettings.fadeLengthInFrames, ~(ma_uint64)0);
}
}
isPitchingEnabled = ma_engine_node_is_pitching_enabled(pEngineNode);
isFadingEnabled = pEngineNode->fader.volumeBeg != 1 || pEngineNode->fader.volumeEnd != 1;
isSpatializationEnabled = ma_engine_node_is_spatialization_enabled(pEngineNode);
isPanningEnabled = pEngineNode->panner.pan != 0 && channelsOut != 1;
isVolumeSmoothingEnabled = pEngineNode->volumeSmoothTimeInPCMFrames > 0;
while (totalFramesProcessedOut < frameCountOut) {
const float* pRunningFramesIn;
float* pRunningFramesOut;
float* pWorkingBuffer;
float temp[MA_DATA_CONVERTER_STACK_BUFFER_SIZE / sizeof(float)];
ma_uint32 tempCapInFrames = ma_countof(temp) / channelsIn;
ma_uint32 framesAvailableIn;
ma_uint32 framesAvailableOut;
ma_uint32 framesJustProcessedIn;
ma_uint32 framesJustProcessedOut;
ma_bool32 isWorkingBufferValid = MA_FALSE;
framesAvailableIn = frameCountIn - totalFramesProcessedIn;
framesAvailableOut = frameCountOut - totalFramesProcessedOut;
pRunningFramesIn = ma_offset_pcm_frames_const_ptr_f32(ppFramesIn[0], totalFramesProcessedIn, channelsIn);
pRunningFramesOut = ma_offset_pcm_frames_ptr_f32(ppFramesOut[0], totalFramesProcessedOut, channelsOut);
if (channelsIn == channelsOut) {
pWorkingBuffer = pRunningFramesOut;
} else {
pWorkingBuffer = temp;
if (framesAvailableOut > tempCapInFrames) {
framesAvailableOut = tempCapInFrames;
}
}
if (isPitchingEnabled) {
ma_uint64 resampleFrameCountIn = framesAvailableIn;
ma_uint64 resampleFrameCountOut = framesAvailableOut;
ma_resampler_process_pcm_frames(&pEngineNode->resampler, pRunningFramesIn, &resampleFrameCountIn, pWorkingBuffer, &resampleFrameCountOut);
isWorkingBufferValid = MA_TRUE;
framesJustProcessedIn = (ma_uint32)resampleFrameCountIn;
framesJustProcessedOut = (ma_uint32)resampleFrameCountOut;
} else {
framesJustProcessedIn = ma_min(framesAvailableIn, framesAvailableOut);
framesJustProcessedOut = framesJustProcessedIn;
}
if (isFadingEnabled) {
if (isWorkingBufferValid) {
ma_fader_process_pcm_frames(&pEngineNode->fader, pWorkingBuffer, pWorkingBuffer, framesJustProcessedOut);
} else {
ma_fader_process_pcm_frames(&pEngineNode->fader, pWorkingBuffer, pRunningFramesIn, framesJustProcessedOut);
isWorkingBufferValid = MA_TRUE;
}
}
if (isVolumeSmoothingEnabled) {
if (isWorkingBufferValid) {
ma_gainer_process_pcm_frames(&pEngineNode->volumeGainer, pWorkingBuffer, pWorkingBuffer, framesJustProcessedOut);
} else {
ma_gainer_process_pcm_frames(&pEngineNode->volumeGainer, pWorkingBuffer, pRunningFramesIn, framesJustProcessedOut);
isWorkingBufferValid = MA_TRUE;
}
}
if (isWorkingBufferValid == MA_FALSE) {
pWorkingBuffer = (float*)pRunningFramesIn;
}
if (isSpatializationEnabled) {
ma_uint32 iListener;
if (pEngineNode->pinnedListenerIndex != MA_LISTENER_INDEX_CLOSEST && pEngineNode->pinnedListenerIndex < ma_engine_get_listener_count(pEngineNode->pEngine)) {
iListener = pEngineNode->pinnedListenerIndex;
} else {
ma_vec3f spatializerPosition = ma_spatializer_get_position(&pEngineNode->spatializer);
iListener = ma_engine_find_closest_listener(pEngineNode->pEngine, spatializerPosition.x, spatializerPosition.y, spatializerPosition.z);
}
ma_spatializer_process_pcm_frames(&pEngineNode->spatializer, &pEngineNode->pEngine->listeners[iListener], pRunningFramesOut, pWorkingBuffer, framesJustProcessedOut);
} else {
float volume;
ma_engine_node_get_volume(pEngineNode, &volume);
if (channelsIn == channelsOut) {
if (isVolumeSmoothingEnabled) {
ma_copy_pcm_frames(pRunningFramesOut, pWorkingBuffer, framesJustProcessedOut * channelsOut, ma_format_f32, channelsOut);
} else {
ma_copy_and_apply_volume_factor_f32(pRunningFramesOut, pWorkingBuffer, framesJustProcessedOut * channelsOut, volume);
}
} else {
ma_channel_map_apply_f32(pRunningFramesOut, NULL, channelsOut, pWorkingBuffer, NULL, channelsIn, framesJustProcessedOut, ma_channel_mix_mode_simple, pEngineNode->monoExpansionMode);
if (!isVolumeSmoothingEnabled) {
ma_apply_volume_factor_f32(pRunningFramesOut, framesJustProcessedOut * channelsOut, volume);
}
}
}
if (isPanningEnabled) {
ma_panner_process_pcm_frames(&pEngineNode->panner, pRunningFramesOut, pRunningFramesOut, framesJustProcessedOut);
}
totalFramesProcessedIn += framesJustProcessedIn;
totalFramesProcessedOut += framesJustProcessedOut;
if (framesJustProcessedOut == 0) {
break;
}
}
*pFrameCountIn = totalFramesProcessedIn;
*pFrameCountOut = totalFramesProcessedOut;
}
static void ma_engine_node_process_pcm_frames__sound(ma_node* pNode, const float** ppFramesIn, ma_uint32* pFrameCountIn, float** ppFramesOut, ma_uint32* pFrameCountOut)
{
ma_result result = MA_SUCCESS;
ma_sound* pSound = (ma_sound*)pNode;
ma_uint32 frameCount = *pFrameCountOut;
ma_uint32 totalFramesRead = 0;
ma_format dataSourceFormat;
ma_uint32 dataSourceChannels;
ma_uint8 temp[MA_DATA_CONVERTER_STACK_BUFFER_SIZE];
ma_uint32 tempCapInFrames;
ma_uint64 seekTarget;
(void)ppFramesIn;
(void)pFrameCountIn;
if (ma_sound_at_end(pSound)) {
ma_sound_stop(pSound);
if (pSound->endCallback != NULL) {
pSound->endCallback(pSound->pEndCallbackUserData, pSound);
}
*pFrameCountOut = 0;
return;
}
seekTarget = ma_atomic_load_64(&pSound->seekTarget);
if (seekTarget != MA_SEEK_TARGET_NONE) {
ma_data_source_seek_to_pcm_frame(pSound->pDataSource, seekTarget);
ma_node_set_time(pSound, seekTarget);
ma_atomic_exchange_64(&pSound->seekTarget, MA_SEEK_TARGET_NONE);
}
ma_engine_node_update_pitch_if_required(&pSound->engineNode);
result = ma_data_source_get_data_format(pSound->pDataSource, &dataSourceFormat, &dataSourceChannels, NULL, NULL, 0);
if (result == MA_SUCCESS) {
tempCapInFrames = sizeof(temp) / ma_get_bytes_per_frame(dataSourceFormat, dataSourceChannels);
while (totalFramesRead < frameCount) {
ma_uint32 framesRemaining = frameCount - totalFramesRead;
ma_uint64 framesJustRead;
ma_uint32 frameCountIn;
ma_uint32 frameCountOut;
const float* pRunningFramesIn;
float* pRunningFramesOut;
if (pSound->processingCacheFramesRemaining > 0) {
pRunningFramesIn = pSound->pProcessingCache;
frameCountIn = pSound->processingCacheFramesRemaining;
pRunningFramesOut = ma_offset_pcm_frames_ptr_f32(ppFramesOut[0], totalFramesRead, ma_node_get_output_channels(pNode, 0));
frameCountOut = framesRemaining;
ma_engine_node_process_pcm_frames__general(&pSound->engineNode, &pRunningFramesIn, &frameCountIn, &pRunningFramesOut, &frameCountOut);
MA_ASSERT(frameCountIn <= pSound->processingCacheFramesRemaining);
pSound->processingCacheFramesRemaining -= frameCountIn;
if (pSound->processingCacheFramesRemaining > 0) {
MA_MOVE_MEMORY(pSound->pProcessingCache, ma_offset_pcm_frames_ptr_f32(pSound->pProcessingCache, frameCountIn, dataSourceChannels), pSound->processingCacheFramesRemaining * ma_get_bytes_per_frame(ma_format_f32, dataSourceChannels));
}
totalFramesRead += (ma_uint32)frameCountOut;
if (result != MA_SUCCESS || ma_sound_at_end(pSound)) {
break;
}
} else {
if (dataSourceFormat == ma_format_f32) {
result = ma_data_source_read_pcm_frames(pSound->pDataSource, pSound->pProcessingCache, pSound->processingCacheCap, &framesJustRead);
} else {
ma_uint64 totalFramesConverted = 0;
while (totalFramesConverted < pSound->processingCacheCap) {
ma_uint64 framesConverted;
ma_uint32 framesToConvertThisIteration = pSound->processingCacheCap - (ma_uint32)totalFramesConverted;
if (framesToConvertThisIteration > tempCapInFrames) {
framesToConvertThisIteration = tempCapInFrames;
}
result = ma_data_source_read_pcm_frames(pSound->pDataSource, temp, framesToConvertThisIteration, &framesConverted);
if (result != MA_SUCCESS) {
break;
}
ma_convert_pcm_frames_format(ma_offset_pcm_frames_ptr_f32(pSound->pProcessingCache, totalFramesConverted, dataSourceChannels), ma_format_f32, temp, dataSourceFormat, framesConverted, dataSourceChannels, ma_dither_mode_none);
totalFramesConverted += framesConverted;
}
framesJustRead = totalFramesConverted;
}
MA_ASSERT(framesJustRead <= pSound->processingCacheCap);
pSound->processingCacheFramesRemaining = (ma_uint32)framesJustRead;
if (result == MA_AT_END) {
ma_sound_set_at_end(pSound, MA_TRUE);
}
if (result != MA_SUCCESS || ma_sound_at_end(pSound)) {
break;
}
}
}
}
*pFrameCountOut = totalFramesRead;
}
static void ma_engine_node_process_pcm_frames__group(ma_node* pNode, const float** ppFramesIn, ma_uint32* pFrameCountIn, float** ppFramesOut, ma_uint32* pFrameCountOut)
{
ma_engine_node_update_pitch_if_required((ma_engine_node*)pNode);
ma_engine_node_process_pcm_frames__general((ma_engine_node*)pNode, ppFramesIn, pFrameCountIn, ppFramesOut, pFrameCountOut);
}
static ma_node_vtable g_ma_engine_node_vtable__sound =
{
ma_engine_node_process_pcm_frames__sound,
NULL,
0,
1,
0
};
static ma_node_vtable g_ma_engine_node_vtable__group =
{
ma_engine_node_process_pcm_frames__group,
NULL,
1,
1,
MA_NODE_FLAG_DIFFERENT_PROCESSING_RATES
};
static ma_node_config ma_engine_node_base_node_config_init(const ma_engine_node_config* pConfig)
{
ma_node_config baseNodeConfig;
if (pConfig->type == ma_engine_node_type_sound) {
baseNodeConfig = ma_node_config_init();
baseNodeConfig.vtable = &g_ma_engine_node_vtable__sound;
baseNodeConfig.initialState = ma_node_state_stopped;
} else {
baseNodeConfig = ma_node_config_init();
baseNodeConfig.vtable = &g_ma_engine_node_vtable__group;
baseNodeConfig.initialState = ma_node_state_started;
}
return baseNodeConfig;
}
static ma_spatializer_config ma_engine_node_spatializer_config_init(const ma_node_config* pBaseNodeConfig)
{
return ma_spatializer_config_init(pBaseNodeConfig->pInputChannels[0], pBaseNodeConfig->pOutputChannels[0]);
}
typedef struct
{
size_t sizeInBytes;
size_t baseNodeOffset;
size_t resamplerOffset;
size_t spatializerOffset;
size_t gainerOffset;
} ma_engine_node_heap_layout;
static ma_result ma_engine_node_get_heap_layout(const ma_engine_node_config* pConfig, ma_engine_node_heap_layout* pHeapLayout)
{
ma_result result;
size_t tempHeapSize;
ma_node_config baseNodeConfig;
ma_resampler_config resamplerConfig;
ma_spatializer_config spatializerConfig;
ma_gainer_config gainerConfig;
ma_uint32 sampleRate;
ma_uint32 channelsIn;
ma_uint32 channelsOut;
ma_channel defaultStereoChannelMap[2] = {MA_CHANNEL_SIDE_LEFT, MA_CHANNEL_SIDE_RIGHT};
MA_ASSERT(pHeapLayout);
MA_ZERO_OBJECT(pHeapLayout);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
if (pConfig->pEngine == NULL) {
return MA_INVALID_ARGS;
}
pHeapLayout->sizeInBytes = 0;
sampleRate = (pConfig->sampleRate > 0) ? pConfig->sampleRate : ma_engine_get_sample_rate(pConfig->pEngine);
channelsIn = (pConfig->channelsIn != 0) ? pConfig->channelsIn : ma_engine_get_channels(pConfig->pEngine);
channelsOut = (pConfig->channelsOut != 0) ? pConfig->channelsOut : ma_engine_get_channels(pConfig->pEngine);
baseNodeConfig = ma_engine_node_base_node_config_init(pConfig);
baseNodeConfig.pInputChannels = &channelsIn;
baseNodeConfig.pOutputChannels = &channelsOut;
result = ma_node_get_heap_size(ma_engine_get_node_graph(pConfig->pEngine), &baseNodeConfig, &tempHeapSize);
if (result != MA_SUCCESS) {
return result;
}
pHeapLayout->baseNodeOffset = pHeapLayout->sizeInBytes;
pHeapLayout->sizeInBytes += ma_align_64(tempHeapSize);
resamplerConfig = pConfig->resampling;
resamplerConfig.format = ma_format_f32;
resamplerConfig.channels = channelsIn;
resamplerConfig.sampleRateIn = sampleRate;
resamplerConfig.sampleRateOut = ma_engine_get_sample_rate(pConfig->pEngine);
result = ma_resampler_get_heap_size(&resamplerConfig, &tempHeapSize);
if (result != MA_SUCCESS) {
return result;
}
pHeapLayout->resamplerOffset = pHeapLayout->sizeInBytes;
pHeapLayout->sizeInBytes += ma_align_64(tempHeapSize);
spatializerConfig = ma_engine_node_spatializer_config_init(&baseNodeConfig);
if (spatializerConfig.channelsIn == 2) {
spatializerConfig.pChannelMapIn = defaultStereoChannelMap;
}
result = ma_spatializer_get_heap_size(&spatializerConfig, &tempHeapSize);
if (result != MA_SUCCESS) {
return result;
}
pHeapLayout->spatializerOffset = pHeapLayout->sizeInBytes;
pHeapLayout->sizeInBytes += ma_align_64(tempHeapSize);
if (pConfig->volumeSmoothTimeInPCMFrames > 0) {
gainerConfig = ma_gainer_config_init(channelsIn, pConfig->volumeSmoothTimeInPCMFrames);
result = ma_gainer_get_heap_size(&gainerConfig, &tempHeapSize);
if (result != MA_SUCCESS) {
return result;
}
pHeapLayout->gainerOffset = pHeapLayout->sizeInBytes;
pHeapLayout->sizeInBytes += ma_align_64(tempHeapSize);
}
return MA_SUCCESS;
}
MA_API ma_result ma_engine_node_get_heap_size(const ma_engine_node_config* pConfig, size_t* pHeapSizeInBytes)
{
ma_result result;
ma_engine_node_heap_layout heapLayout;
if (pHeapSizeInBytes == NULL) {
return MA_INVALID_ARGS;
}
*pHeapSizeInBytes = 0;
result = ma_engine_node_get_heap_layout(pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return result;
}
*pHeapSizeInBytes = heapLayout.sizeInBytes;
return MA_SUCCESS;
}
MA_API ma_result ma_engine_node_init_preallocated(const ma_engine_node_config* pConfig, void* pHeap, ma_engine_node* pEngineNode)
{
ma_result result;
ma_engine_node_heap_layout heapLayout;
ma_node_config baseNodeConfig;
ma_resampler_config resamplerConfig;
ma_fader_config faderConfig;
ma_spatializer_config spatializerConfig;
ma_panner_config pannerConfig;
ma_gainer_config gainerConfig;
ma_uint32 channelsIn;
ma_uint32 channelsOut;
ma_channel defaultStereoChannelMap[2] = {MA_CHANNEL_SIDE_LEFT, MA_CHANNEL_SIDE_RIGHT};
if (pEngineNode == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pEngineNode);
result = ma_engine_node_get_heap_layout(pConfig, &heapLayout);
if (result != MA_SUCCESS) {
return result;
}
if (pConfig->pinnedListenerIndex != MA_LISTENER_INDEX_CLOSEST && pConfig->pinnedListenerIndex >= ma_engine_get_listener_count(pConfig->pEngine)) {
return MA_INVALID_ARGS;
}
pEngineNode->_pHeap = pHeap;
MA_ZERO_MEMORY(pHeap, heapLayout.sizeInBytes);
pEngineNode->pEngine = pConfig->pEngine;
pEngineNode->sampleRate = (pConfig->sampleRate > 0) ? pConfig->sampleRate : ma_engine_get_sample_rate(pEngineNode->pEngine);
pEngineNode->volumeSmoothTimeInPCMFrames = pConfig->volumeSmoothTimeInPCMFrames;
pEngineNode->monoExpansionMode = pConfig->monoExpansionMode;
ma_atomic_float_set(&pEngineNode->volume, 1);
pEngineNode->pitch = 1;
pEngineNode->oldPitch = 1;
pEngineNode->oldDopplerPitch = 1;
pEngineNode->isPitchDisabled = pConfig->isPitchDisabled;
pEngineNode->isSpatializationDisabled = pConfig->isSpatializationDisabled;
pEngineNode->pinnedListenerIndex = pConfig->pinnedListenerIndex;
ma_atomic_float_set(&pEngineNode->fadeSettings.volumeBeg, 1);
ma_atomic_float_set(&pEngineNode->fadeSettings.volumeEnd, 1);
ma_atomic_uint64_set(&pEngineNode->fadeSettings.fadeLengthInFrames, (~(ma_uint64)0));
ma_atomic_uint64_set(&pEngineNode->fadeSettings.absoluteGlobalTimeInFrames, (~(ma_uint64)0));
channelsIn = (pConfig->channelsIn != 0) ? pConfig->channelsIn : ma_engine_get_channels(pConfig->pEngine);
channelsOut = (pConfig->channelsOut != 0) ? pConfig->channelsOut : ma_engine_get_channels(pConfig->pEngine);
if (pEngineNode->sampleRate != ma_engine_get_sample_rate(pEngineNode->pEngine)) {
pEngineNode->isPitchDisabled = MA_FALSE;
}
baseNodeConfig = ma_engine_node_base_node_config_init(pConfig);
baseNodeConfig.pInputChannels = &channelsIn;
baseNodeConfig.pOutputChannels = &channelsOut;
result = ma_node_init_preallocated(&pConfig->pEngine->nodeGraph, &baseNodeConfig, ma_offset_ptr(pHeap, heapLayout.baseNodeOffset), &pEngineNode->baseNode);
if (result != MA_SUCCESS) {
goto error0;
}
resamplerConfig = pConfig->resampling;
resamplerConfig.format = ma_format_f32;
resamplerConfig.channels = baseNodeConfig.pInputChannels[0];
resamplerConfig.sampleRateIn = pEngineNode->sampleRate;
resamplerConfig.sampleRateOut = ma_engine_get_sample_rate(pEngineNode->pEngine);
result = ma_resampler_init_preallocated(&resamplerConfig, ma_offset_ptr(pHeap, heapLayout.resamplerOffset), &pEngineNode->resampler);
if (result != MA_SUCCESS) {
goto error1;
}
faderConfig = ma_fader_config_init(ma_format_f32, baseNodeConfig.pInputChannels[0], ma_engine_get_sample_rate(pEngineNode->pEngine));
result = ma_fader_init(&faderConfig, &pEngineNode->fader);
if (result != MA_SUCCESS) {
goto error2;
}
spatializerConfig = ma_engine_node_spatializer_config_init(&baseNodeConfig);
spatializerConfig.gainSmoothTimeInFrames = pEngineNode->pEngine->gainSmoothTimeInFrames;
if (spatializerConfig.channelsIn == 2) {
spatializerConfig.pChannelMapIn = defaultStereoChannelMap;
}
result = ma_spatializer_init_preallocated(&spatializerConfig, ma_offset_ptr(pHeap, heapLayout.spatializerOffset), &pEngineNode->spatializer);
if (result != MA_SUCCESS) {
goto error2;
}
pannerConfig = ma_panner_config_init(ma_format_f32, baseNodeConfig.pOutputChannels[0]);
result = ma_panner_init(&pannerConfig, &pEngineNode->panner);
if (result != MA_SUCCESS) {
goto error3;
}
if (pConfig->volumeSmoothTimeInPCMFrames > 0) {
gainerConfig = ma_gainer_config_init(channelsIn, pConfig->volumeSmoothTimeInPCMFrames);
result = ma_gainer_init_preallocated(&gainerConfig, ma_offset_ptr(pHeap, heapLayout.gainerOffset), &pEngineNode->volumeGainer);
if (result != MA_SUCCESS) {
goto error3;
}
}
return MA_SUCCESS;
error3: ma_spatializer_uninit(&pEngineNode->spatializer, NULL);
error2: ma_resampler_uninit(&pEngineNode->resampler, NULL);
error1: ma_node_uninit(&pEngineNode->baseNode, NULL);
error0: return result;
}
MA_API ma_result ma_engine_node_init(const ma_engine_node_config* pConfig, const ma_allocation_callbacks* pAllocationCallbacks, ma_engine_node* pEngineNode)
{
ma_result result;
size_t heapSizeInBytes;
void* pHeap;
result = ma_engine_node_get_heap_size(pConfig, &heapSizeInBytes);
if (result != MA_SUCCESS) {
return result;
}
if (heapSizeInBytes > 0) {
pHeap = ma_malloc(heapSizeInBytes, pAllocationCallbacks);
if (pHeap == NULL) {
return MA_OUT_OF_MEMORY;
}
} else {
pHeap = NULL;
}
result = ma_engine_node_init_preallocated(pConfig, pHeap, pEngineNode);
if (result != MA_SUCCESS) {
ma_free(pHeap, pAllocationCallbacks);
return result;
}
pEngineNode->_ownsHeap = MA_TRUE;
return MA_SUCCESS;
}
MA_API void ma_engine_node_uninit(ma_engine_node* pEngineNode, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_node_uninit(&pEngineNode->baseNode, pAllocationCallbacks);
if (pEngineNode->volumeSmoothTimeInPCMFrames > 0) {
ma_gainer_uninit(&pEngineNode->volumeGainer, pAllocationCallbacks);
}
ma_spatializer_uninit(&pEngineNode->spatializer, pAllocationCallbacks);
ma_resampler_uninit(&pEngineNode->resampler, pAllocationCallbacks);
if (pEngineNode->_ownsHeap) {
ma_free(pEngineNode->_pHeap, pAllocationCallbacks);
}
}
MA_API ma_sound_config ma_sound_config_init(void)
{
return ma_sound_config_init_2(NULL);
}
MA_API ma_sound_config ma_sound_config_init_2(ma_engine* pEngine)
{
ma_sound_config config;
MA_ZERO_OBJECT(&config);
if (pEngine != NULL) {
config.monoExpansionMode = pEngine->monoExpansionMode;
config.pitchResampling = pEngine->pitchResamplingConfig;
} else {
config.monoExpansionMode = ma_mono_expansion_mode_default;
config.pitchResampling = ma_resampler_config_init(ma_format_f32, 0, 0, 0, ma_resample_algorithm_linear);
config.pitchResampling.linear.lpfOrder = 0;
}
config.rangeEndInPCMFrames = ~((ma_uint64)0);
config.loopPointEndInPCMFrames = ~((ma_uint64)0);
return config;
}
MA_API ma_sound_group_config ma_sound_group_config_init(void)
{
return ma_sound_group_config_init_2(NULL);
}
MA_API ma_sound_group_config ma_sound_group_config_init_2(ma_engine* pEngine)
{
ma_sound_group_config config;
MA_ZERO_OBJECT(&config);
if (pEngine != NULL) {
config.monoExpansionMode = pEngine->monoExpansionMode;
config.pitchResampling = pEngine->pitchResamplingConfig;
} else {
config.monoExpansionMode = ma_mono_expansion_mode_default;
config.pitchResampling = ma_resampler_config_init(ma_format_f32, 0, 0, 0, ma_resample_algorithm_linear);
config.pitchResampling.linear.lpfOrder = 0;
}
return config;
}
MA_API ma_engine_config ma_engine_config_init(void)
{
ma_engine_config config;
MA_ZERO_OBJECT(&config);
config.listenerCount = 1;
config.monoExpansionMode = ma_mono_expansion_mode_default;
config.resourceManagerResampling = ma_resampler_config_init(ma_format_unknown, 0, 0, 0, ma_resample_algorithm_linear);
config.pitchResampling = ma_resampler_config_init(ma_format_f32, 0, 0, 0, ma_resample_algorithm_linear);
config.pitchResampling.linear.lpfOrder = 0;
return config;
}
#if !defined(MA_NO_DEVICE_IO)
static void ma_engine_data_callback_internal(ma_device* pDevice, void* pFramesOut, const void* pFramesIn, ma_uint32 frameCount)
{
ma_engine* pEngine = (ma_engine*)pDevice->pUserData;
(void)pFramesIn;
#if !defined(MA_NO_RESOURCE_MANAGER) && defined(MA_EMSCRIPTEN)
{
if (pEngine->pResourceManager != NULL) {
if ((pEngine->pResourceManager->config.flags & MA_RESOURCE_MANAGER_FLAG_NO_THREADING) != 0) {
ma_resource_manager_process_next_job(pEngine->pResourceManager);
}
}
}
#endif
ma_engine_read_pcm_frames(pEngine, pFramesOut, frameCount, NULL);
}
static ma_uint32 ma_device__get_processing_size_in_frames(ma_device* pDevice)
{
if (pDevice->playback.intermediaryBufferCap > 0) {
return pDevice->playback.intermediaryBufferCap;
} else {
return pDevice->playback.internalPeriodSizeInFrames;
}
}
#endif
MA_API ma_result ma_engine_init(const ma_engine_config* pConfig, ma_engine* pEngine)
{
ma_result result;
ma_node_graph_config nodeGraphConfig;
ma_engine_config engineConfig;
ma_spatializer_listener_config listenerConfig;
ma_uint32 iListener;
if (pEngine == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pEngine);
if (pConfig != NULL) {
engineConfig = *pConfig;
} else {
engineConfig = ma_engine_config_init();
}
pEngine->monoExpansionMode = engineConfig.monoExpansionMode;
pEngine->defaultVolumeSmoothTimeInPCMFrames = engineConfig.defaultVolumeSmoothTimeInPCMFrames;
pEngine->onProcess = engineConfig.onProcess;
pEngine->pProcessUserData = engineConfig.pProcessUserData;
pEngine->pitchResamplingConfig = engineConfig.pitchResampling;
ma_allocation_callbacks_init_copy(&pEngine->allocationCallbacks, &engineConfig.allocationCallbacks);
#if !defined(MA_NO_RESOURCE_MANAGER)
{
pEngine->pResourceManager = engineConfig.pResourceManager;
}
#endif
#if !defined(MA_NO_DEVICE_IO)
{
pEngine->pDevice = engineConfig.pDevice;
if (pEngine->pDevice == NULL && engineConfig.noDevice == MA_FALSE) {
ma_device_config deviceConfig;
pEngine->pDevice = (ma_device*)ma_malloc(sizeof(*pEngine->pDevice), &pEngine->allocationCallbacks);
if (pEngine->pDevice == NULL) {
return MA_OUT_OF_MEMORY;
}
deviceConfig = ma_device_config_init(ma_device_type_playback);
deviceConfig.playback.pDeviceID = engineConfig.pPlaybackDeviceID;
deviceConfig.playback.format = ma_format_f32;
deviceConfig.playback.channels = engineConfig.channels;
deviceConfig.sampleRate = engineConfig.sampleRate;
deviceConfig.dataCallback = (engineConfig.dataCallback != NULL) ? engineConfig.dataCallback : ma_engine_data_callback_internal;
deviceConfig.pUserData = pEngine;
deviceConfig.notificationCallback = engineConfig.notificationCallback;
deviceConfig.periodSizeInFrames = engineConfig.periodSizeInFrames;
deviceConfig.periodSizeInMilliseconds = engineConfig.periodSizeInMilliseconds;
deviceConfig.noPreSilencedOutputBuffer = MA_TRUE;
deviceConfig.noClip = MA_TRUE;
if (engineConfig.pContext == NULL) {
ma_context_config contextConfig = ma_context_config_init();
contextConfig.allocationCallbacks = pEngine->allocationCallbacks;
contextConfig.pLog = engineConfig.pLog;
#ifndef MA_NO_RESOURCE_MANAGER
{
if (contextConfig.pLog == NULL && engineConfig.pResourceManager != NULL) {
contextConfig.pLog = ma_resource_manager_get_log(engineConfig.pResourceManager);
}
}
#endif
result = ma_device_init_ex(NULL, 0, &contextConfig, &deviceConfig, pEngine->pDevice);
} else {
result = ma_device_init(engineConfig.pContext, &deviceConfig, pEngine->pDevice);
}
if (result != MA_SUCCESS) {
ma_free(pEngine->pDevice, &pEngine->allocationCallbacks);
pEngine->pDevice = NULL;
return result;
}
pEngine->ownsDevice = MA_TRUE;
}
if (pEngine->pDevice != NULL) {
engineConfig.channels = pEngine->pDevice->playback.channels;
engineConfig.sampleRate = pEngine->pDevice->sampleRate;
engineConfig.periodSizeInFrames = ma_device__get_processing_size_in_frames(pEngine->pDevice);
}
}
#endif
if (engineConfig.channels == 0 || engineConfig.sampleRate == 0) {
return MA_INVALID_ARGS;
}
pEngine->sampleRate = engineConfig.sampleRate;
if (engineConfig.pLog != NULL) {
pEngine->pLog = engineConfig.pLog;
} else {
#if !defined(MA_NO_DEVICE_IO)
{
pEngine->pLog = ma_device_get_log(pEngine->pDevice);
}
#else
{
pEngine->pLog = NULL;
}
#endif
}
nodeGraphConfig = ma_node_graph_config_init(engineConfig.channels);
nodeGraphConfig.processingSizeInFrames = engineConfig.periodSizeInFrames;
nodeGraphConfig.preMixStackSizeInBytes = engineConfig.preMixStackSizeInBytes;
result = ma_node_graph_init(&nodeGraphConfig, &pEngine->allocationCallbacks, &pEngine->nodeGraph);
if (result != MA_SUCCESS) {
goto on_error_1;
}
if (engineConfig.listenerCount == 0) {
engineConfig.listenerCount = 1;
}
if (engineConfig.listenerCount > MA_ENGINE_MAX_LISTENERS) {
result = MA_INVALID_ARGS;
goto on_error_1;
}
for (iListener = 0; iListener < engineConfig.listenerCount; iListener += 1) {
listenerConfig = ma_spatializer_listener_config_init(ma_node_graph_get_channels(&pEngine->nodeGraph));
#if !defined(MA_NO_DEVICE_IO)
{
if (pEngine->pDevice != NULL) {
}
}
#endif
result = ma_spatializer_listener_init(&listenerConfig, &pEngine->allocationCallbacks, &pEngine->listeners[iListener]);
if (result != MA_SUCCESS) {
goto on_error_2;
}
pEngine->listenerCount += 1;
}
pEngine->gainSmoothTimeInFrames = engineConfig.gainSmoothTimeInFrames;
if (pEngine->gainSmoothTimeInFrames == 0) {
ma_uint32 gainSmoothTimeInMilliseconds = engineConfig.gainSmoothTimeInMilliseconds;
if (gainSmoothTimeInMilliseconds == 0) {
gainSmoothTimeInMilliseconds = 8;
}
pEngine->gainSmoothTimeInFrames = (gainSmoothTimeInMilliseconds * ma_engine_get_sample_rate(pEngine)) / 1000;
}
#ifndef MA_NO_RESOURCE_MANAGER
{
if (pEngine->pResourceManager == NULL) {
ma_resource_manager_config resourceManagerConfig;
pEngine->pResourceManager = (ma_resource_manager*)ma_malloc(sizeof(*pEngine->pResourceManager), &pEngine->allocationCallbacks);
if (pEngine->pResourceManager == NULL) {
result = MA_OUT_OF_MEMORY;
goto on_error_2;
}
resourceManagerConfig = ma_resource_manager_config_init();
resourceManagerConfig.pLog = pEngine->pLog;
resourceManagerConfig.decodedFormat = ma_format_f32;
resourceManagerConfig.decodedChannels = 0;
resourceManagerConfig.decodedSampleRate = ma_engine_get_sample_rate(pEngine);
ma_allocation_callbacks_init_copy(&resourceManagerConfig.allocationCallbacks, &pEngine->allocationCallbacks);
resourceManagerConfig.pVFS = engineConfig.pResourceManagerVFS;
resourceManagerConfig.resampling = engineConfig.resourceManagerResampling;
#if defined(MA_EMSCRIPTEN) && !defined(__EMSCRIPTEN_PTHREADS__)
{
resourceManagerConfig.jobThreadCount = 0;
resourceManagerConfig.flags |= MA_RESOURCE_MANAGER_FLAG_NO_THREADING;
}
#endif
result = ma_resource_manager_init(&resourceManagerConfig, pEngine->pResourceManager);
if (result != MA_SUCCESS) {
goto on_error_3;
}
pEngine->ownsResourceManager = MA_TRUE;
}
}
#endif
pEngine->inlinedSoundLock = 0;
pEngine->pInlinedSoundHead = NULL;
#if !defined(MA_NO_DEVICE_IO)
{
if (engineConfig.noAutoStart == MA_FALSE && pEngine->pDevice != NULL) {
result = ma_engine_start(pEngine);
if (result != MA_SUCCESS) {
goto on_error_4;
}
}
}
#endif
return MA_SUCCESS;
#if !defined(MA_NO_DEVICE_IO)
on_error_4:
#endif
#if !defined(MA_NO_RESOURCE_MANAGER)
on_error_3:
if (pEngine->ownsResourceManager) {
ma_free(pEngine->pResourceManager, &pEngine->allocationCallbacks);
}
#endif
on_error_2:
for (iListener = 0; iListener < pEngine->listenerCount; iListener += 1) {
ma_spatializer_listener_uninit(&pEngine->listeners[iListener], &pEngine->allocationCallbacks);
}
ma_node_graph_uninit(&pEngine->nodeGraph, &pEngine->allocationCallbacks);
on_error_1:
#if !defined(MA_NO_DEVICE_IO)
{
if (pEngine->ownsDevice) {
ma_device_uninit(pEngine->pDevice);
ma_free(pEngine->pDevice, &pEngine->allocationCallbacks);
}
}
#endif
return result;
}
MA_API void ma_engine_uninit(ma_engine* pEngine)
{
ma_uint32 iListener;
if (pEngine == NULL) {
return;
}
#if !defined(MA_NO_DEVICE_IO)
{
if (pEngine->ownsDevice) {
ma_device_uninit(pEngine->pDevice);
ma_free(pEngine->pDevice, &pEngine->allocationCallbacks);
} else {
if (pEngine->pDevice != NULL) {
ma_device_stop(pEngine->pDevice);
}
}
}
#endif
ma_spinlock_lock(&pEngine->inlinedSoundLock);
{
for (;;) {
ma_sound_inlined* pSoundToDelete = pEngine->pInlinedSoundHead;
if (pSoundToDelete == NULL) {
break;
}
pEngine->pInlinedSoundHead = pSoundToDelete->pNext;
ma_sound_uninit(&pSoundToDelete->sound);
ma_free(pSoundToDelete, &pEngine->allocationCallbacks);
}
}
ma_spinlock_unlock(&pEngine->inlinedSoundLock);
for (iListener = 0; iListener < pEngine->listenerCount; iListener += 1) {
ma_spatializer_listener_uninit(&pEngine->listeners[iListener], &pEngine->allocationCallbacks);
}
ma_node_graph_uninit(&pEngine->nodeGraph, &pEngine->allocationCallbacks);
#ifndef MA_NO_RESOURCE_MANAGER
if (pEngine->ownsResourceManager) {
ma_resource_manager_uninit(pEngine->pResourceManager);
ma_free(pEngine->pResourceManager, &pEngine->allocationCallbacks);
}
#endif
}
MA_API ma_result ma_engine_read_pcm_frames(ma_engine* pEngine, void* pFramesOut, ma_uint64 frameCount, ma_uint64* pFramesRead)
{
ma_result result;
ma_uint64 framesRead = 0;
if (pFramesRead != NULL) {
*pFramesRead = 0;
}
result = ma_node_graph_read_pcm_frames(&pEngine->nodeGraph, pFramesOut, frameCount, &framesRead);
if (result != MA_SUCCESS) {
return result;
}
if (pFramesRead != NULL) {
*pFramesRead = framesRead;
}
if (pEngine->onProcess) {
pEngine->onProcess(pEngine->pProcessUserData, (float*)pFramesOut, framesRead);
}
return MA_SUCCESS;
}
MA_API ma_node_graph* ma_engine_get_node_graph(ma_engine* pEngine)
{
if (pEngine == NULL) {
return NULL;
}
return &pEngine->nodeGraph;
}
#if !defined(MA_NO_RESOURCE_MANAGER)
MA_API ma_resource_manager* ma_engine_get_resource_manager(ma_engine* pEngine)
{
if (pEngine == NULL) {
return NULL;
}
#if !defined(MA_NO_RESOURCE_MANAGER)
{
return pEngine->pResourceManager;
}
#else
{
return NULL;
}
#endif
}
#endif
MA_API ma_device* ma_engine_get_device(ma_engine* pEngine)
{
if (pEngine == NULL) {
return NULL;
}
#if !defined(MA_NO_DEVICE_IO)
{
return pEngine->pDevice;
}
#else
{
return NULL;
}
#endif
}
MA_API ma_log* ma_engine_get_log(ma_engine* pEngine)
{
if (pEngine == NULL) {
return NULL;
}
if (pEngine->pLog != NULL) {
return pEngine->pLog;
} else {
#if !defined(MA_NO_DEVICE_IO)
{
return ma_device_get_log(ma_engine_get_device(pEngine));
}
#else
{
return NULL;
}
#endif
}
}
MA_API ma_node* ma_engine_get_endpoint(ma_engine* pEngine)
{
return ma_node_graph_get_endpoint(&pEngine->nodeGraph);
}
MA_API ma_uint64 ma_engine_get_time_in_pcm_frames(const ma_engine* pEngine)
{
return ma_node_graph_get_time(&pEngine->nodeGraph);
}
MA_API ma_uint64 ma_engine_get_time_in_milliseconds(const ma_engine* pEngine)
{
return ma_engine_get_time_in_pcm_frames(pEngine) * 1000 / ma_engine_get_sample_rate(pEngine);
}
MA_API ma_result ma_engine_set_time_in_pcm_frames(ma_engine* pEngine, ma_uint64 globalTime)
{
return ma_node_graph_set_time(&pEngine->nodeGraph, globalTime);
}
MA_API ma_result ma_engine_set_time_in_milliseconds(ma_engine* pEngine, ma_uint64 globalTime)
{
return ma_engine_set_time_in_pcm_frames(pEngine, globalTime * ma_engine_get_sample_rate(pEngine) / 1000);
}
MA_API ma_uint64 ma_engine_get_time(const ma_engine* pEngine)
{
return ma_engine_get_time_in_pcm_frames(pEngine);
}
MA_API ma_result ma_engine_set_time(ma_engine* pEngine, ma_uint64 globalTime)
{
return ma_engine_set_time_in_pcm_frames(pEngine, globalTime);
}
MA_API ma_uint32 ma_engine_get_channels(const ma_engine* pEngine)
{
return ma_node_graph_get_channels(&pEngine->nodeGraph);
}
MA_API ma_uint32 ma_engine_get_sample_rate(const ma_engine* pEngine)
{
if (pEngine == NULL) {
return 0;
}
return pEngine->sampleRate;
}
MA_API ma_result ma_engine_start(ma_engine* pEngine)
{
ma_result result;
if (pEngine == NULL) {
return MA_INVALID_ARGS;
}
#if !defined(MA_NO_DEVICE_IO)
{
if (pEngine->pDevice != NULL) {
result = ma_device_start(pEngine->pDevice);
} else {
result = MA_INVALID_OPERATION;
}
}
#else
{
result = MA_INVALID_OPERATION;
}
#endif
if (result != MA_SUCCESS) {
return result;
}
return MA_SUCCESS;
}
MA_API ma_result ma_engine_stop(ma_engine* pEngine)
{
ma_result result;
if (pEngine == NULL) {
return MA_INVALID_ARGS;
}
#if !defined(MA_NO_DEVICE_IO)
{
if (pEngine->pDevice != NULL) {
result = ma_device_stop(pEngine->pDevice);
} else {
result = MA_INVALID_OPERATION;
}
}
#else
{
result = MA_INVALID_OPERATION;
}
#endif
if (result != MA_SUCCESS) {
return result;
}
return MA_SUCCESS;
}
MA_API ma_result ma_engine_set_volume(ma_engine* pEngine, float volume)
{
if (pEngine == NULL) {
return MA_INVALID_ARGS;
}
return ma_node_set_output_bus_volume(ma_node_graph_get_endpoint(&pEngine->nodeGraph), 0, volume);
}
MA_API float ma_engine_get_volume(ma_engine* pEngine)
{
if (pEngine == NULL) {
return 0;
}
return ma_node_get_output_bus_volume(ma_node_graph_get_endpoint(&pEngine->nodeGraph), 0);
}
MA_API ma_result ma_engine_set_gain_db(ma_engine* pEngine, float gainDB)
{
return ma_engine_set_volume(pEngine, ma_volume_db_to_linear(gainDB));
}
MA_API float ma_engine_get_gain_db(ma_engine* pEngine)
{
return ma_volume_linear_to_db(ma_engine_get_volume(pEngine));
}
MA_API ma_uint32 ma_engine_get_listener_count(const ma_engine* pEngine)
{
if (pEngine == NULL) {
return 0;
}
return pEngine->listenerCount;
}
MA_API ma_uint32 ma_engine_find_closest_listener(const ma_engine* pEngine, float absolutePosX, float absolutePosY, float absolutePosZ)
{
ma_uint32 iListener;
ma_uint32 iListenerClosest;
float closestLen2 = MA_FLT_MAX;
if (pEngine == NULL || pEngine->listenerCount == 1) {
return 0;
}
iListenerClosest = 0;
for (iListener = 0; iListener < pEngine->listenerCount; iListener += 1) {
if (ma_engine_listener_is_enabled(pEngine, iListener)) {
float len2 = ma_vec3f_len2(ma_vec3f_sub(ma_spatializer_listener_get_position(&pEngine->listeners[iListener]), ma_vec3f_init_3f(absolutePosX, absolutePosY, absolutePosZ)));
if (closestLen2 > len2) {
closestLen2 = len2;
iListenerClosest = iListener;
}
}
}
MA_ASSERT(iListenerClosest < 255);
return iListenerClosest;
}
MA_API void ma_engine_listener_set_position(ma_engine* pEngine, ma_uint32 listenerIndex, float x, float y, float z)
{
if (pEngine == NULL || listenerIndex >= pEngine->listenerCount) {
return;
}
ma_spatializer_listener_set_position(&pEngine->listeners[listenerIndex], x, y, z);
}
MA_API ma_vec3f ma_engine_listener_get_position(const ma_engine* pEngine, ma_uint32 listenerIndex)
{
if (pEngine == NULL || listenerIndex >= pEngine->listenerCount) {
return ma_vec3f_init_3f(0, 0, 0);
}
return ma_spatializer_listener_get_position(&pEngine->listeners[listenerIndex]);
}
MA_API void ma_engine_listener_set_direction(ma_engine* pEngine, ma_uint32 listenerIndex, float x, float y, float z)
{
if (pEngine == NULL || listenerIndex >= pEngine->listenerCount) {
return;
}
ma_spatializer_listener_set_direction(&pEngine->listeners[listenerIndex], x, y, z);
}
MA_API ma_vec3f ma_engine_listener_get_direction(const ma_engine* pEngine, ma_uint32 listenerIndex)
{
if (pEngine == NULL || listenerIndex >= pEngine->listenerCount) {
return ma_vec3f_init_3f(0, 0, -1);
}
return ma_spatializer_listener_get_direction(&pEngine->listeners[listenerIndex]);
}
MA_API void ma_engine_listener_set_velocity(ma_engine* pEngine, ma_uint32 listenerIndex, float x, float y, float z)
{
if (pEngine == NULL || listenerIndex >= pEngine->listenerCount) {
return;
}
ma_spatializer_listener_set_velocity(&pEngine->listeners[listenerIndex], x, y, z);
}
MA_API ma_vec3f ma_engine_listener_get_velocity(const ma_engine* pEngine, ma_uint32 listenerIndex)
{
if (pEngine == NULL || listenerIndex >= pEngine->listenerCount) {
return ma_vec3f_init_3f(0, 0, 0);
}
return ma_spatializer_listener_get_velocity(&pEngine->listeners[listenerIndex]);
}
MA_API void ma_engine_listener_set_cone(ma_engine* pEngine, ma_uint32 listenerIndex, float innerAngleInRadians, float outerAngleInRadians, float outerGain)
{
if (pEngine == NULL || listenerIndex >= pEngine->listenerCount) {
return;
}
ma_spatializer_listener_set_cone(&pEngine->listeners[listenerIndex], innerAngleInRadians, outerAngleInRadians, outerGain);
}
MA_API void ma_engine_listener_get_cone(const ma_engine* pEngine, ma_uint32 listenerIndex, float* pInnerAngleInRadians, float* pOuterAngleInRadians, float* pOuterGain)
{
if (pInnerAngleInRadians != NULL) {
*pInnerAngleInRadians = 0;
}
if (pOuterAngleInRadians != NULL) {
*pOuterAngleInRadians = 0;
}
if (pOuterGain != NULL) {
*pOuterGain = 0;
}
if (pEngine == NULL || listenerIndex >= pEngine->listenerCount) {
return;
}
ma_spatializer_listener_get_cone(&pEngine->listeners[listenerIndex], pInnerAngleInRadians, pOuterAngleInRadians, pOuterGain);
}
MA_API void ma_engine_listener_set_world_up(ma_engine* pEngine, ma_uint32 listenerIndex, float x, float y, float z)
{
if (pEngine == NULL || listenerIndex >= pEngine->listenerCount) {
return;
}
ma_spatializer_listener_set_world_up(&pEngine->listeners[listenerIndex], x, y, z);
}
MA_API ma_vec3f ma_engine_listener_get_world_up(const ma_engine* pEngine, ma_uint32 listenerIndex)
{
if (pEngine == NULL || listenerIndex >= pEngine->listenerCount) {
return ma_vec3f_init_3f(0, 1, 0);
}
return ma_spatializer_listener_get_world_up(&pEngine->listeners[listenerIndex]);
}
MA_API void ma_engine_listener_set_enabled(ma_engine* pEngine, ma_uint32 listenerIndex, ma_bool32 isEnabled)
{
if (pEngine == NULL || listenerIndex >= pEngine->listenerCount) {
return;
}
ma_spatializer_listener_set_enabled(&pEngine->listeners[listenerIndex], isEnabled);
}
MA_API ma_bool32 ma_engine_listener_is_enabled(const ma_engine* pEngine, ma_uint32 listenerIndex)
{
if (pEngine == NULL || listenerIndex >= pEngine->listenerCount) {
return MA_FALSE;
}
return ma_spatializer_listener_is_enabled(&pEngine->listeners[listenerIndex]);
}
#ifndef MA_NO_RESOURCE_MANAGER
MA_API ma_result ma_engine_play_sound_ex(ma_engine* pEngine, const char* pFilePath, ma_node* pNode, ma_uint32 nodeInputBusIndex)
{
ma_result result = MA_SUCCESS;
ma_sound_inlined* pSound = NULL;
ma_sound_inlined* pNextSound = NULL;
if (pEngine == NULL || pFilePath == NULL) {
return MA_INVALID_ARGS;
}
if (pNode == NULL) {
pNode = ma_node_graph_get_endpoint(&pEngine->nodeGraph);
nodeInputBusIndex = 0;
}
ma_spinlock_lock(&pEngine->inlinedSoundLock);
{
ma_uint32 soundFlags = 0;
for (pNextSound = pEngine->pInlinedSoundHead; pNextSound != NULL; pNextSound = pNextSound->pNext) {
if (ma_sound_at_end(&pNextSound->sound)) {
pSound = pNextSound;
ma_atomic_fetch_sub_32(&pEngine->inlinedSoundCount, 1);
break;
}
}
if (pSound != NULL) {
if (pEngine->pInlinedSoundHead == pSound) {
pEngine->pInlinedSoundHead = pSound->pNext;
}
if (pSound->pPrev != NULL) {
pSound->pPrev->pNext = pSound->pNext;
}
if (pSound->pNext != NULL) {
pSound->pNext->pPrev = pSound->pPrev;
}
ma_sound_uninit(&pNextSound->sound);
} else {
pSound = (ma_sound_inlined*)ma_malloc(sizeof(*pSound), &pEngine->allocationCallbacks);
}
if (pSound != NULL) {
soundFlags |= MA_SOUND_FLAG_ASYNC;
soundFlags |= MA_SOUND_FLAG_NO_DEFAULT_ATTACHMENT;
soundFlags |= MA_SOUND_FLAG_NO_PITCH;
soundFlags |= MA_SOUND_FLAG_NO_SPATIALIZATION;
result = ma_sound_init_from_file(pEngine, pFilePath, soundFlags, NULL, NULL, &pSound->sound);
if (result == MA_SUCCESS) {
result = ma_node_attach_output_bus(pSound, 0, pNode, nodeInputBusIndex);
if (result == MA_SUCCESS) {
pSound->pNext = pEngine->pInlinedSoundHead;
pSound->pPrev = NULL;
pEngine->pInlinedSoundHead = pSound;
if (pSound->pNext != NULL) {
pSound->pNext->pPrev = pSound;
}
} else {
ma_free(pSound, &pEngine->allocationCallbacks);
}
} else {
ma_free(pSound, &pEngine->allocationCallbacks);
}
} else {
result = MA_OUT_OF_MEMORY;
}
}
ma_spinlock_unlock(&pEngine->inlinedSoundLock);
if (result != MA_SUCCESS) {
return result;
}
result = ma_sound_start(&pSound->sound);
if (result != MA_SUCCESS) {
ma_atomic_exchange_32(&pSound->sound.atEnd, MA_TRUE);
return result;
}
ma_atomic_fetch_add_32(&pEngine->inlinedSoundCount, 1);
return result;
}
MA_API ma_result ma_engine_play_sound(ma_engine* pEngine, const char* pFilePath, ma_sound_group* pGroup)
{
return ma_engine_play_sound_ex(pEngine, pFilePath, pGroup, 0);
}
#endif
static ma_result ma_sound_preinit(ma_engine* pEngine, ma_sound* pSound)
{
if (pSound == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pSound);
pSound->seekTarget = MA_SEEK_TARGET_NONE;
if (pEngine == NULL) {
return MA_INVALID_ARGS;
}
return MA_SUCCESS;
}
static ma_result ma_sound_init_from_data_source_internal(ma_engine* pEngine, const ma_sound_config* pConfig, ma_sound* pSound)
{
ma_result result;
ma_engine_node_config engineNodeConfig;
ma_engine_node_type type;
MA_ASSERT(pEngine != NULL);
MA_ASSERT(pSound != NULL);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
pSound->pDataSource = pConfig->pDataSource;
if (pConfig->pDataSource != NULL) {
type = ma_engine_node_type_sound;
} else {
type = ma_engine_node_type_group;
}
engineNodeConfig = ma_engine_node_config_init(pEngine, type, pConfig->flags);
engineNodeConfig.channelsIn = pConfig->channelsIn;
engineNodeConfig.channelsOut = pConfig->channelsOut;
engineNodeConfig.volumeSmoothTimeInPCMFrames = pConfig->volumeSmoothTimeInPCMFrames;
engineNodeConfig.monoExpansionMode = pConfig->monoExpansionMode;
if (engineNodeConfig.volumeSmoothTimeInPCMFrames == 0) {
engineNodeConfig.volumeSmoothTimeInPCMFrames = pEngine->defaultVolumeSmoothTimeInPCMFrames;
}
if (pConfig->pDataSource != NULL) {
result = ma_data_source_get_data_format(pConfig->pDataSource, NULL, &engineNodeConfig.channelsIn, &engineNodeConfig.sampleRate, NULL, 0);
if (result != MA_SUCCESS) {
return result;
}
if (engineNodeConfig.channelsIn == 0) {
return MA_INVALID_OPERATION;
}
if (engineNodeConfig.channelsOut == MA_SOUND_SOURCE_CHANNEL_COUNT) {
engineNodeConfig.channelsOut = engineNodeConfig.channelsIn;
}
}
result = ma_engine_node_init(&engineNodeConfig, &pEngine->allocationCallbacks, &pSound->engineNode);
if (result != MA_SUCCESS) {
return result;
}
if (pConfig->pInitialAttachment == NULL) {
if ((pConfig->flags & MA_SOUND_FLAG_NO_DEFAULT_ATTACHMENT) == 0) {
result = ma_node_attach_output_bus(pSound, 0, ma_node_graph_get_endpoint(&pEngine->nodeGraph), 0);
}
} else {
result = ma_node_attach_output_bus(pSound, 0, pConfig->pInitialAttachment, pConfig->initialAttachmentInputBusIndex);
}
if (result != MA_SUCCESS) {
ma_engine_node_uninit(&pSound->engineNode, &pEngine->allocationCallbacks);
return result;
}
if (pSound->pDataSource != NULL) {
pSound->processingCacheFramesRemaining = 0;
pSound->processingCacheCap = ma_node_graph_get_processing_size_in_frames(&pEngine->nodeGraph);
if (pSound->processingCacheCap == 0) {
pSound->processingCacheCap = 512;
}
pSound->pProcessingCache = (float*)ma_calloc(pSound->processingCacheCap * ma_get_bytes_per_frame(ma_format_f32, engineNodeConfig.channelsIn), &pEngine->allocationCallbacks);
if (pSound->pProcessingCache == NULL) {
ma_engine_node_uninit(&pSound->engineNode, &pEngine->allocationCallbacks);
return MA_OUT_OF_MEMORY;
}
}
if (pConfig->rangeBegInPCMFrames != 0 || pConfig->rangeEndInPCMFrames != ~((ma_uint64)0)) {
ma_data_source_set_range_in_pcm_frames(ma_sound_get_data_source(pSound), pConfig->rangeBegInPCMFrames, pConfig->rangeEndInPCMFrames);
}
if (pConfig->loopPointBegInPCMFrames != 0 || pConfig->loopPointEndInPCMFrames != ~((ma_uint64)0)) {
ma_data_source_set_loop_point_in_pcm_frames(ma_sound_get_data_source(pSound), pConfig->loopPointBegInPCMFrames, pConfig->loopPointEndInPCMFrames);
}
ma_sound_set_looping(pSound, pConfig->isLooping || ((pConfig->flags & MA_SOUND_FLAG_LOOPING) != 0));
return MA_SUCCESS;
}
#ifndef MA_NO_RESOURCE_MANAGER
MA_API ma_result ma_sound_init_from_file_internal(ma_engine* pEngine, const ma_sound_config* pConfig, ma_sound* pSound)
{
ma_result result = MA_SUCCESS;
ma_uint32 flags;
ma_sound_config config;
ma_resource_manager_pipeline_notifications notifications;
flags = pConfig->flags | MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_WAIT_INIT;
if (pConfig->isLooping) {
flags |= MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_LOOPING;
}
pSound->pResourceManagerDataSource = (ma_resource_manager_data_source*)ma_malloc(sizeof(*pSound->pResourceManagerDataSource), &pEngine->allocationCallbacks);
if (pSound->pResourceManagerDataSource == NULL) {
return MA_OUT_OF_MEMORY;
}
notifications = pConfig->initNotifications;
if (pConfig->pDoneFence != NULL && notifications.done.pFence == NULL) {
notifications.done.pFence = pConfig->pDoneFence;
}
if (notifications.done.pFence) { ma_fence_acquire(notifications.done.pFence); }
{
ma_resource_manager_data_source_config resourceManagerDataSourceConfig = ma_resource_manager_data_source_config_init();
resourceManagerDataSourceConfig.pFilePath = pConfig->pFilePath;
resourceManagerDataSourceConfig.pFilePathW = pConfig->pFilePathW;
resourceManagerDataSourceConfig.flags = flags;
resourceManagerDataSourceConfig.pNotifications = &notifications;
resourceManagerDataSourceConfig.initialSeekPointInPCMFrames = pConfig->initialSeekPointInPCMFrames;
resourceManagerDataSourceConfig.rangeBegInPCMFrames = pConfig->rangeBegInPCMFrames;
resourceManagerDataSourceConfig.rangeEndInPCMFrames = pConfig->rangeEndInPCMFrames;
resourceManagerDataSourceConfig.loopPointBegInPCMFrames = pConfig->loopPointBegInPCMFrames;
resourceManagerDataSourceConfig.loopPointEndInPCMFrames = pConfig->loopPointEndInPCMFrames;
resourceManagerDataSourceConfig.isLooping = (flags & MA_RESOURCE_MANAGER_DATA_SOURCE_FLAG_LOOPING) != 0;
result = ma_resource_manager_data_source_init_ex(pEngine->pResourceManager, &resourceManagerDataSourceConfig, pSound->pResourceManagerDataSource);
if (result != MA_SUCCESS) {
ma_free(pSound->pResourceManagerDataSource, &pEngine->allocationCallbacks);
goto done;
}
pSound->ownsDataSource = MA_TRUE;
config = *pConfig;
config.pFilePath = NULL;
config.pFilePathW = NULL;
config.pDataSource = pSound->pResourceManagerDataSource;
result = ma_sound_init_from_data_source_internal(pEngine, &config, pSound);
if (result != MA_SUCCESS) {
ma_resource_manager_data_source_uninit(pSound->pResourceManagerDataSource);
ma_free(pSound->pResourceManagerDataSource, &pEngine->allocationCallbacks);
MA_ZERO_OBJECT(pSound);
goto done;
}
}
done:
if (notifications.done.pFence) { ma_fence_release(notifications.done.pFence); }
return result;
}
MA_API ma_result ma_sound_init_from_file(ma_engine* pEngine, const char* pFilePath, ma_uint32 flags, ma_sound_group* pGroup, ma_fence* pDoneFence, ma_sound* pSound)
{
ma_sound_config config;
if (pFilePath == NULL) {
return MA_INVALID_ARGS;
}
config = ma_sound_config_init_2(pEngine);
config.pFilePath = pFilePath;
config.flags = flags;
config.pInitialAttachment = pGroup;
config.pDoneFence = pDoneFence;
return ma_sound_init_ex(pEngine, &config, pSound);
}
MA_API ma_result ma_sound_init_from_file_w(ma_engine* pEngine, const wchar_t* pFilePath, ma_uint32 flags, ma_sound_group* pGroup, ma_fence* pDoneFence, ma_sound* pSound)
{
ma_sound_config config;
if (pFilePath == NULL) {
return MA_INVALID_ARGS;
}
config = ma_sound_config_init_2(pEngine);
config.pFilePathW = pFilePath;
config.flags = flags;
config.pInitialAttachment = pGroup;
config.pDoneFence = pDoneFence;
return ma_sound_init_ex(pEngine, &config, pSound);
}
MA_API ma_result ma_sound_init_copy(ma_engine* pEngine, const ma_sound* pExistingSound, ma_uint32 flags, ma_sound_group* pGroup, ma_sound* pSound)
{
ma_result result;
ma_sound_config config;
result = ma_sound_preinit(pEngine, pSound);
if (result != MA_SUCCESS) {
return result;
}
if (pExistingSound == NULL) {
return MA_INVALID_ARGS;
}
if (pExistingSound->pResourceManagerDataSource == NULL) {
return MA_INVALID_OPERATION;
}
pSound->pResourceManagerDataSource = (ma_resource_manager_data_source*)ma_malloc(sizeof(*pSound->pResourceManagerDataSource), &pEngine->allocationCallbacks);
if (pSound->pResourceManagerDataSource == NULL) {
return MA_OUT_OF_MEMORY;
}
result = ma_resource_manager_data_source_init_copy(pEngine->pResourceManager, pExistingSound->pResourceManagerDataSource, pSound->pResourceManagerDataSource);
if (result != MA_SUCCESS) {
ma_free(pSound->pResourceManagerDataSource, &pEngine->allocationCallbacks);
return result;
}
config = ma_sound_config_init_2(pEngine);
config.pDataSource = pSound->pResourceManagerDataSource;
config.flags = flags;
config.pInitialAttachment = pGroup;
config.monoExpansionMode = pExistingSound->engineNode.monoExpansionMode;
config.volumeSmoothTimeInPCMFrames = pExistingSound->engineNode.volumeSmoothTimeInPCMFrames;
result = ma_sound_init_from_data_source_internal(pEngine, &config, pSound);
if (result != MA_SUCCESS) {
ma_resource_manager_data_source_uninit(pSound->pResourceManagerDataSource);
ma_free(pSound->pResourceManagerDataSource, &pEngine->allocationCallbacks);
MA_ZERO_OBJECT(pSound);
return result;
}
pSound->ownsDataSource = MA_TRUE;
return MA_SUCCESS;
}
#endif
MA_API ma_result ma_sound_init_from_data_source(ma_engine* pEngine, ma_data_source* pDataSource, ma_uint32 flags, ma_sound_group* pGroup, ma_sound* pSound)
{
ma_sound_config config = ma_sound_config_init_2(pEngine);
config.pDataSource = pDataSource;
config.flags = flags;
config.pInitialAttachment = pGroup;
return ma_sound_init_ex(pEngine, &config, pSound);
}
MA_API ma_result ma_sound_init_ex(ma_engine* pEngine, const ma_sound_config* pConfig, ma_sound* pSound)
{
ma_result result;
result = ma_sound_preinit(pEngine, pSound);
if (result != MA_SUCCESS) {
return result;
}
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
pSound->endCallback = pConfig->endCallback;
pSound->pEndCallbackUserData = pConfig->pEndCallbackUserData;
#ifndef MA_NO_RESOURCE_MANAGER
if (pConfig->pFilePath != NULL || pConfig->pFilePathW != NULL) {
return ma_sound_init_from_file_internal(pEngine, pConfig, pSound);
} else
#endif
{
return ma_sound_init_from_data_source_internal(pEngine, pConfig, pSound);
}
}
MA_API void ma_sound_uninit(ma_sound* pSound)
{
if (pSound == NULL) {
return;
}
ma_engine_node_uninit(&pSound->engineNode, &pSound->engineNode.pEngine->allocationCallbacks);
if (pSound->pProcessingCache != NULL) {
ma_free(pSound->pProcessingCache, &pSound->engineNode.pEngine->allocationCallbacks);
pSound->pProcessingCache = NULL;
}
#ifndef MA_NO_RESOURCE_MANAGER
if (pSound->ownsDataSource) {
ma_resource_manager_data_source_uninit(pSound->pResourceManagerDataSource);
ma_free(pSound->pResourceManagerDataSource, &pSound->engineNode.pEngine->allocationCallbacks);
pSound->pDataSource = NULL;
}
#else
MA_ASSERT(pSound->ownsDataSource == MA_FALSE);
#endif
}
MA_API ma_engine* ma_sound_get_engine(const ma_sound* pSound)
{
if (pSound == NULL) {
return NULL;
}
return pSound->engineNode.pEngine;
}
MA_API ma_data_source* ma_sound_get_data_source(const ma_sound* pSound)
{
if (pSound == NULL) {
return NULL;
}
return pSound->pDataSource;
}
MA_API ma_result ma_sound_start(ma_sound* pSound)
{
if (pSound == NULL) {
return MA_INVALID_ARGS;
}
if (ma_sound_is_playing(pSound)) {
return MA_SUCCESS;
}
if (ma_sound_at_end(pSound)) {
ma_result result = ma_data_source_seek_to_pcm_frame(pSound->pDataSource, 0);
if (result != MA_SUCCESS && result != MA_NOT_IMPLEMENTED) {
return result;
}
ma_atomic_exchange_32(&pSound->atEnd, MA_FALSE);
}
ma_node_set_state(pSound, ma_node_state_started);
return MA_SUCCESS;
}
MA_API ma_result ma_sound_stop(ma_sound* pSound)
{
if (pSound == NULL) {
return MA_INVALID_ARGS;
}
ma_node_set_state(pSound, ma_node_state_stopped);
return MA_SUCCESS;
}
MA_API ma_result ma_sound_stop_with_fade_in_pcm_frames(ma_sound* pSound, ma_uint64 fadeLengthInFrames)
{
if (pSound == NULL) {
return MA_INVALID_ARGS;
}
ma_sound_set_stop_time_with_fade_in_pcm_frames(pSound, ma_engine_get_time_in_pcm_frames(ma_sound_get_engine(pSound)) + fadeLengthInFrames, fadeLengthInFrames);
return MA_SUCCESS;
}
MA_API ma_result ma_sound_stop_with_fade_in_milliseconds(ma_sound* pSound, ma_uint64 fadeLengthInMilliseconds)
{
ma_uint64 sampleRate;
if (pSound == NULL) {
return MA_INVALID_ARGS;
}
sampleRate = ma_engine_get_sample_rate(ma_sound_get_engine(pSound));
return ma_sound_stop_with_fade_in_pcm_frames(pSound, (fadeLengthInMilliseconds * sampleRate) / 1000);
}
MA_API void ma_sound_reset_start_time(ma_sound* pSound)
{
ma_sound_set_start_time_in_pcm_frames(pSound, 0);
}
MA_API void ma_sound_reset_stop_time(ma_sound* pSound)
{
ma_sound_set_stop_time_in_pcm_frames(pSound, ~(ma_uint64)0);
}
MA_API void ma_sound_reset_fade(ma_sound* pSound)
{
ma_sound_set_fade_in_pcm_frames(pSound, 0, 1, 0);
}
MA_API void ma_sound_reset_stop_time_and_fade(ma_sound* pSound)
{
ma_sound_reset_stop_time(pSound);
ma_sound_reset_fade(pSound);
}
MA_API void ma_sound_set_volume(ma_sound* pSound, float volume)
{
if (pSound == NULL) {
return;
}
ma_engine_node_set_volume(&pSound->engineNode, volume);
}
MA_API float ma_sound_get_volume(const ma_sound* pSound)
{
float volume = 0;
if (pSound == NULL) {
return 0;
}
ma_engine_node_get_volume(&pSound->engineNode, &volume);
return volume;
}
MA_API void ma_sound_set_pan(ma_sound* pSound, float pan)
{
if (pSound == NULL) {
return;
}
ma_panner_set_pan(&pSound->engineNode.panner, pan);
}
MA_API float ma_sound_get_pan(const ma_sound* pSound)
{
if (pSound == NULL) {
return 0;
}
return ma_panner_get_pan(&pSound->engineNode.panner);
}
MA_API void ma_sound_set_pan_mode(ma_sound* pSound, ma_pan_mode panMode)
{
if (pSound == NULL) {
return;
}
ma_panner_set_mode(&pSound->engineNode.panner, panMode);
}
MA_API ma_pan_mode ma_sound_get_pan_mode(const ma_sound* pSound)
{
if (pSound == NULL) {
return ma_pan_mode_balance;
}
return ma_panner_get_mode(&pSound->engineNode.panner);
}
MA_API void ma_sound_set_pitch(ma_sound* pSound, float pitch)
{
if (pSound == NULL) {
return;
}
if (pitch <= 0) {
return;
}
ma_atomic_exchange_explicit_f32(&pSound->engineNode.pitch, pitch, ma_atomic_memory_order_release);
}
MA_API float ma_sound_get_pitch(const ma_sound* pSound)
{
if (pSound == NULL) {
return 0;
}
return ma_atomic_load_f32(&pSound->engineNode.pitch);
}
MA_API void ma_sound_set_spatialization_enabled(ma_sound* pSound, ma_bool32 enabled)
{
if (pSound == NULL) {
return;
}
ma_atomic_exchange_explicit_32(&pSound->engineNode.isSpatializationDisabled, !enabled, ma_atomic_memory_order_release);
}
MA_API ma_bool32 ma_sound_is_spatialization_enabled(const ma_sound* pSound)
{
if (pSound == NULL) {
return MA_FALSE;
}
return ma_engine_node_is_spatialization_enabled(&pSound->engineNode);
}
MA_API void ma_sound_set_pinned_listener_index(ma_sound* pSound, ma_uint32 listenerIndex)
{
if (pSound == NULL || listenerIndex >= ma_engine_get_listener_count(ma_sound_get_engine(pSound))) {
return;
}
ma_atomic_exchange_explicit_32(&pSound->engineNode.pinnedListenerIndex, listenerIndex, ma_atomic_memory_order_release);
}
MA_API ma_uint32 ma_sound_get_pinned_listener_index(const ma_sound* pSound)
{
if (pSound == NULL) {
return MA_LISTENER_INDEX_CLOSEST;
}
return ma_atomic_load_explicit_32(&pSound->engineNode.pinnedListenerIndex, ma_atomic_memory_order_acquire);
}
MA_API ma_uint32 ma_sound_get_listener_index(const ma_sound* pSound)
{
ma_uint32 listenerIndex;
if (pSound == NULL) {
return 0;
}
listenerIndex = ma_sound_get_pinned_listener_index(pSound);
if (listenerIndex == MA_LISTENER_INDEX_CLOSEST) {
ma_vec3f position = ma_sound_get_position(pSound);
return ma_engine_find_closest_listener(ma_sound_get_engine(pSound), position.x, position.y, position.z);
}
return listenerIndex;
}
MA_API ma_vec3f ma_sound_get_direction_to_listener(const ma_sound* pSound)
{
ma_vec3f relativePos;
ma_engine* pEngine;
if (pSound == NULL) {
return ma_vec3f_init_3f(0, 0, -1);
}
pEngine = ma_sound_get_engine(pSound);
if (pEngine == NULL) {
return ma_vec3f_init_3f(0, 0, -1);
}
ma_spatializer_get_relative_position_and_direction(&pSound->engineNode.spatializer, &pEngine->listeners[ma_sound_get_listener_index(pSound)], &relativePos, NULL);
return ma_vec3f_normalize(ma_vec3f_neg(relativePos));
}
MA_API void ma_sound_set_position(ma_sound* pSound, float x, float y, float z)
{
if (pSound == NULL) {
return;
}
ma_spatializer_set_position(&pSound->engineNode.spatializer, x, y, z);
}
MA_API ma_vec3f ma_sound_get_position(const ma_sound* pSound)
{
if (pSound == NULL) {
return ma_vec3f_init_3f(0, 0, 0);
}
return ma_spatializer_get_position(&pSound->engineNode.spatializer);
}
MA_API void ma_sound_set_direction(ma_sound* pSound, float x, float y, float z)
{
if (pSound == NULL) {
return;
}
ma_spatializer_set_direction(&pSound->engineNode.spatializer, x, y, z);
}
MA_API ma_vec3f ma_sound_get_direction(const ma_sound* pSound)
{
if (pSound == NULL) {
return ma_vec3f_init_3f(0, 0, 0);
}
return ma_spatializer_get_direction(&pSound->engineNode.spatializer);
}
MA_API void ma_sound_set_velocity(ma_sound* pSound, float x, float y, float z)
{
if (pSound == NULL) {
return;
}
ma_spatializer_set_velocity(&pSound->engineNode.spatializer, x, y, z);
}
MA_API ma_vec3f ma_sound_get_velocity(const ma_sound* pSound)
{
if (pSound == NULL) {
return ma_vec3f_init_3f(0, 0, 0);
}
return ma_spatializer_get_velocity(&pSound->engineNode.spatializer);
}
MA_API void ma_sound_set_attenuation_model(ma_sound* pSound, ma_attenuation_model attenuationModel)
{
if (pSound == NULL) {
return;
}
ma_spatializer_set_attenuation_model(&pSound->engineNode.spatializer, attenuationModel);
}
MA_API ma_attenuation_model ma_sound_get_attenuation_model(const ma_sound* pSound)
{
if (pSound == NULL) {
return ma_attenuation_model_none;
}
return ma_spatializer_get_attenuation_model(&pSound->engineNode.spatializer);
}
MA_API void ma_sound_set_positioning(ma_sound* pSound, ma_positioning positioning)
{
if (pSound == NULL) {
return;
}
ma_spatializer_set_positioning(&pSound->engineNode.spatializer, positioning);
}
MA_API ma_positioning ma_sound_get_positioning(const ma_sound* pSound)
{
if (pSound == NULL) {
return ma_positioning_absolute;
}
return ma_spatializer_get_positioning(&pSound->engineNode.spatializer);
}
MA_API void ma_sound_set_rolloff(ma_sound* pSound, float rolloff)
{
if (pSound == NULL) {
return;
}
ma_spatializer_set_rolloff(&pSound->engineNode.spatializer, rolloff);
}
MA_API float ma_sound_get_rolloff(const ma_sound* pSound)
{
if (pSound == NULL) {
return 0;
}
return ma_spatializer_get_rolloff(&pSound->engineNode.spatializer);
}
MA_API void ma_sound_set_min_gain(ma_sound* pSound, float minGain)
{
if (pSound == NULL) {
return;
}
ma_spatializer_set_min_gain(&pSound->engineNode.spatializer, minGain);
}
MA_API float ma_sound_get_min_gain(const ma_sound* pSound)
{
if (pSound == NULL) {
return 0;
}
return ma_spatializer_get_min_gain(&pSound->engineNode.spatializer);
}
MA_API void ma_sound_set_max_gain(ma_sound* pSound, float maxGain)
{
if (pSound == NULL) {
return;
}
ma_spatializer_set_max_gain(&pSound->engineNode.spatializer, maxGain);
}
MA_API float ma_sound_get_max_gain(const ma_sound* pSound)
{
if (pSound == NULL) {
return 0;
}
return ma_spatializer_get_max_gain(&pSound->engineNode.spatializer);
}
MA_API void ma_sound_set_min_distance(ma_sound* pSound, float minDistance)
{
if (pSound == NULL) {
return;
}
ma_spatializer_set_min_distance(&pSound->engineNode.spatializer, minDistance);
}
MA_API float ma_sound_get_min_distance(const ma_sound* pSound)
{
if (pSound == NULL) {
return 0;
}
return ma_spatializer_get_min_distance(&pSound->engineNode.spatializer);
}
MA_API void ma_sound_set_max_distance(ma_sound* pSound, float maxDistance)
{
if (pSound == NULL) {
return;
}
ma_spatializer_set_max_distance(&pSound->engineNode.spatializer, maxDistance);
}
MA_API float ma_sound_get_max_distance(const ma_sound* pSound)
{
if (pSound == NULL) {
return 0;
}
return ma_spatializer_get_max_distance(&pSound->engineNode.spatializer);
}
MA_API void ma_sound_set_cone(ma_sound* pSound, float innerAngleInRadians, float outerAngleInRadians, float outerGain)
{
if (pSound == NULL) {
return;
}
ma_spatializer_set_cone(&pSound->engineNode.spatializer, innerAngleInRadians, outerAngleInRadians, outerGain);
}
MA_API void ma_sound_get_cone(const ma_sound* pSound, float* pInnerAngleInRadians, float* pOuterAngleInRadians, float* pOuterGain)
{
if (pInnerAngleInRadians != NULL) {
*pInnerAngleInRadians = 0;
}
if (pOuterAngleInRadians != NULL) {
*pOuterAngleInRadians = 0;
}
if (pOuterGain != NULL) {
*pOuterGain = 0;
}
if (pSound == NULL) {
return;
}
ma_spatializer_get_cone(&pSound->engineNode.spatializer, pInnerAngleInRadians, pOuterAngleInRadians, pOuterGain);
}
MA_API void ma_sound_set_doppler_factor(ma_sound* pSound, float dopplerFactor)
{
if (pSound == NULL) {
return;
}
ma_spatializer_set_doppler_factor(&pSound->engineNode.spatializer, dopplerFactor);
}
MA_API float ma_sound_get_doppler_factor(const ma_sound* pSound)
{
if (pSound == NULL) {
return 0;
}
return ma_spatializer_get_doppler_factor(&pSound->engineNode.spatializer);
}
MA_API void ma_sound_set_directional_attenuation_factor(ma_sound* pSound, float directionalAttenuationFactor)
{
if (pSound == NULL) {
return;
}
ma_spatializer_set_directional_attenuation_factor(&pSound->engineNode.spatializer, directionalAttenuationFactor);
}
MA_API float ma_sound_get_directional_attenuation_factor(const ma_sound* pSound)
{
if (pSound == NULL) {
return 1;
}
return ma_spatializer_get_directional_attenuation_factor(&pSound->engineNode.spatializer);
}
MA_API void ma_sound_set_fade_in_pcm_frames(ma_sound* pSound, float volumeBeg, float volumeEnd, ma_uint64 fadeLengthInFrames)
{
if (pSound == NULL) {
return;
}
ma_sound_set_fade_start_in_pcm_frames(pSound, volumeBeg, volumeEnd, fadeLengthInFrames, (~(ma_uint64)0));
}
MA_API void ma_sound_set_fade_in_milliseconds(ma_sound* pSound, float volumeBeg, float volumeEnd, ma_uint64 fadeLengthInMilliseconds)
{
if (pSound == NULL) {
return;
}
ma_sound_set_fade_in_pcm_frames(pSound, volumeBeg, volumeEnd, (fadeLengthInMilliseconds * pSound->engineNode.fader.config.sampleRate) / 1000);
}
MA_API void ma_sound_set_fade_start_in_pcm_frames(ma_sound* pSound, float volumeBeg, float volumeEnd, ma_uint64 fadeLengthInFrames, ma_uint64 absoluteGlobalTimeInFrames)
{
if (pSound == NULL) {
return;
}
ma_atomic_float_set(&pSound->engineNode.fadeSettings.volumeBeg, volumeBeg);
ma_atomic_float_set(&pSound->engineNode.fadeSettings.volumeEnd, volumeEnd);
ma_atomic_uint64_set(&pSound->engineNode.fadeSettings.fadeLengthInFrames, fadeLengthInFrames);
ma_atomic_uint64_set(&pSound->engineNode.fadeSettings.absoluteGlobalTimeInFrames, absoluteGlobalTimeInFrames);
}
MA_API void ma_sound_set_fade_start_in_milliseconds(ma_sound* pSound, float volumeBeg, float volumeEnd, ma_uint64 fadeLengthInMilliseconds, ma_uint64 absoluteGlobalTimeInMilliseconds)
{
ma_uint32 sampleRate;
if (pSound == NULL) {
return;
}
sampleRate = ma_engine_get_sample_rate(ma_sound_get_engine(pSound));
ma_sound_set_fade_start_in_pcm_frames(pSound, volumeBeg, volumeEnd, (fadeLengthInMilliseconds * sampleRate) / 1000, (absoluteGlobalTimeInMilliseconds * sampleRate) / 1000);
}
MA_API float ma_sound_get_current_fade_volume(const ma_sound* pSound)
{
if (pSound == NULL) {
return MA_INVALID_ARGS;
}
return ma_fader_get_current_volume(&pSound->engineNode.fader);
}
MA_API void ma_sound_set_start_time_in_pcm_frames(ma_sound* pSound, ma_uint64 absoluteGlobalTimeInFrames)
{
if (pSound == NULL) {
return;
}
ma_node_set_state_time(pSound, ma_node_state_started, absoluteGlobalTimeInFrames);
}
MA_API void ma_sound_set_start_time_in_milliseconds(ma_sound* pSound, ma_uint64 absoluteGlobalTimeInMilliseconds)
{
if (pSound == NULL) {
return;
}
ma_sound_set_start_time_in_pcm_frames(pSound, absoluteGlobalTimeInMilliseconds * ma_engine_get_sample_rate(ma_sound_get_engine(pSound)) / 1000);
}
MA_API void ma_sound_set_stop_time_in_pcm_frames(ma_sound* pSound, ma_uint64 absoluteGlobalTimeInFrames)
{
if (pSound == NULL) {
return;
}
ma_sound_set_stop_time_with_fade_in_pcm_frames(pSound, absoluteGlobalTimeInFrames, 0);
}
MA_API void ma_sound_set_stop_time_in_milliseconds(ma_sound* pSound, ma_uint64 absoluteGlobalTimeInMilliseconds)
{
if (pSound == NULL) {
return;
}
ma_sound_set_stop_time_in_pcm_frames(pSound, absoluteGlobalTimeInMilliseconds * ma_engine_get_sample_rate(ma_sound_get_engine(pSound)) / 1000);
}
MA_API void ma_sound_set_stop_time_with_fade_in_pcm_frames(ma_sound* pSound, ma_uint64 stopAbsoluteGlobalTimeInFrames, ma_uint64 fadeLengthInFrames)
{
if (pSound == NULL) {
return;
}
if (fadeLengthInFrames > 0) {
if (fadeLengthInFrames > stopAbsoluteGlobalTimeInFrames) {
fadeLengthInFrames = stopAbsoluteGlobalTimeInFrames;
}
ma_sound_set_fade_start_in_pcm_frames(pSound, -1, 0, fadeLengthInFrames, stopAbsoluteGlobalTimeInFrames - fadeLengthInFrames);
}
ma_node_set_state_time(pSound, ma_node_state_stopped, stopAbsoluteGlobalTimeInFrames);
}
MA_API void ma_sound_set_stop_time_with_fade_in_milliseconds(ma_sound* pSound, ma_uint64 stopAbsoluteGlobalTimeInMilliseconds, ma_uint64 fadeLengthInMilliseconds)
{
ma_uint32 sampleRate;
if (pSound == NULL) {
return;
}
sampleRate = ma_engine_get_sample_rate(ma_sound_get_engine(pSound));
ma_sound_set_stop_time_with_fade_in_pcm_frames(pSound, (stopAbsoluteGlobalTimeInMilliseconds * sampleRate) / 1000, (fadeLengthInMilliseconds * sampleRate) / 1000);
}
MA_API ma_bool32 ma_sound_is_playing(const ma_sound* pSound)
{
if (pSound == NULL) {
return MA_FALSE;
}
return ma_node_get_state_by_time(pSound, ma_engine_get_time_in_pcm_frames(ma_sound_get_engine(pSound))) == ma_node_state_started;
}
MA_API ma_uint64 ma_sound_get_time_in_pcm_frames(const ma_sound* pSound)
{
if (pSound == NULL) {
return 0;
}
return ma_node_get_time(pSound);
}
MA_API ma_uint64 ma_sound_get_time_in_milliseconds(const ma_sound* pSound)
{
ma_uint32 sampleRate = ma_engine_get_sample_rate(ma_sound_get_engine(pSound));
if (sampleRate == 0) {
return 0;
}
return ma_sound_get_time_in_pcm_frames(pSound) * 1000 / sampleRate;
}
MA_API void ma_sound_set_looping(ma_sound* pSound, ma_bool32 isLooping)
{
if (pSound == NULL) {
return;
}
if (pSound->pDataSource == NULL) {
return;
}
ma_data_source_set_looping(pSound->pDataSource, isLooping);
}
MA_API ma_bool32 ma_sound_is_looping(const ma_sound* pSound)
{
if (pSound == NULL) {
return MA_FALSE;
}
if (pSound->pDataSource == NULL) {
return MA_FALSE;
}
return ma_data_source_is_looping(pSound->pDataSource);
}
MA_API ma_bool32 ma_sound_at_end(const ma_sound* pSound)
{
if (pSound == NULL) {
return MA_FALSE;
}
if (pSound->pDataSource == NULL) {
return MA_FALSE;
}
return ma_sound_get_at_end(pSound);
}
MA_API ma_result ma_sound_seek_to_pcm_frame(ma_sound* pSound, ma_uint64 frameIndex)
{
if (pSound == NULL) {
return MA_INVALID_ARGS;
}
if (pSound->pDataSource == NULL) {
return MA_INVALID_OPERATION;
}
ma_atomic_exchange_64(&pSound->seekTarget, frameIndex);
return MA_SUCCESS;
}
MA_API ma_result ma_sound_seek_to_second(ma_sound* pSound, float seekPointInSeconds)
{
ma_uint64 frameIndex;
ma_uint32 sampleRate;
ma_result result;
if (pSound == NULL) {
return MA_INVALID_ARGS;
}
result = ma_sound_get_data_format(pSound, NULL, NULL, &sampleRate, NULL, 0);
if (result != MA_SUCCESS) {
return result;
}
frameIndex = (ma_uint64)(seekPointInSeconds * sampleRate);
return ma_sound_seek_to_pcm_frame(pSound, frameIndex);
}
MA_API ma_result ma_sound_get_data_format(const ma_sound* pSound, ma_format* pFormat, ma_uint32* pChannels, ma_uint32* pSampleRate, ma_channel* pChannelMap, size_t channelMapCap)
{
if (pSound == NULL) {
return MA_INVALID_ARGS;
}
if (pSound->pDataSource == NULL) {
ma_uint32 channels;
if (pFormat != NULL) {
*pFormat = ma_format_f32;
}
channels = ma_node_get_input_channels(&pSound->engineNode, 0);
if (pChannels != NULL) {
*pChannels = channels;
}
if (pSampleRate != NULL) {
*pSampleRate = pSound->engineNode.resampler.sampleRateIn;
}
if (pChannelMap != NULL) {
ma_channel_map_init_standard(ma_standard_channel_map_default, pChannelMap, channelMapCap, channels);
}
return MA_SUCCESS;
} else {
return ma_data_source_get_data_format(pSound->pDataSource, pFormat, pChannels, pSampleRate, pChannelMap, channelMapCap);
}
}
MA_API ma_result ma_sound_get_cursor_in_pcm_frames(const ma_sound* pSound, ma_uint64* pCursor)
{
ma_uint64 seekTarget;
if (pSound == NULL) {
return MA_INVALID_ARGS;
}
if (pSound->pDataSource == NULL) {
return MA_INVALID_OPERATION;
}
seekTarget = ma_atomic_load_64(&pSound->seekTarget);
if (seekTarget != MA_SEEK_TARGET_NONE) {
*pCursor = seekTarget;
return MA_SUCCESS;
} else {
return ma_data_source_get_cursor_in_pcm_frames(pSound->pDataSource, pCursor);
}
}
MA_API ma_result ma_sound_get_length_in_pcm_frames(const ma_sound* pSound, ma_uint64* pLength)
{
if (pSound == NULL) {
return MA_INVALID_ARGS;
}
if (pSound->pDataSource == NULL) {
return MA_INVALID_OPERATION;
}
return ma_data_source_get_length_in_pcm_frames(pSound->pDataSource, pLength);
}
MA_API ma_result ma_sound_get_cursor_in_seconds(const ma_sound* pSound, float* pCursor)
{
ma_result result;
ma_uint64 cursorInPCMFrames;
ma_uint32 sampleRate;
if (pCursor != NULL) {
*pCursor = 0;
}
result = ma_sound_get_cursor_in_pcm_frames(pSound, &cursorInPCMFrames);
if (result != MA_SUCCESS) {
return result;
}
result = ma_sound_get_data_format(pSound, NULL, NULL, &sampleRate, NULL, 0);
if (result != MA_SUCCESS) {
return result;
}
*pCursor = (ma_int64)cursorInPCMFrames / (float)sampleRate;
return MA_SUCCESS;
}
MA_API ma_result ma_sound_get_length_in_seconds(const ma_sound* pSound, float* pLength)
{
if (pSound == NULL) {
return MA_INVALID_ARGS;
}
if (pSound->pDataSource == NULL) {
return MA_INVALID_OPERATION;
}
return ma_data_source_get_length_in_seconds(pSound->pDataSource, pLength);
}
MA_API ma_result ma_sound_set_end_callback(ma_sound* pSound, ma_sound_end_proc callback, void* pUserData)
{
if (pSound == NULL) {
return MA_INVALID_ARGS;
}
if (pSound->pDataSource == NULL) {
return MA_INVALID_OPERATION;
}
pSound->endCallback = callback;
pSound->pEndCallbackUserData = pUserData;
return MA_SUCCESS;
}
MA_API ma_result ma_sound_group_init(ma_engine* pEngine, ma_uint32 flags, ma_sound_group* pParentGroup, ma_sound_group* pGroup)
{
ma_sound_group_config config = ma_sound_group_config_init_2(pEngine);
config.flags = flags;
config.pInitialAttachment = pParentGroup;
return ma_sound_group_init_ex(pEngine, &config, pGroup);
}
MA_API ma_result ma_sound_group_init_ex(ma_engine* pEngine, const ma_sound_group_config* pConfig, ma_sound_group* pGroup)
{
ma_sound_config soundConfig;
if (pGroup == NULL) {
return MA_INVALID_ARGS;
}
MA_ZERO_OBJECT(pGroup);
if (pConfig == NULL) {
return MA_INVALID_ARGS;
}
soundConfig = *pConfig;
soundConfig.pFilePath = NULL;
soundConfig.pFilePathW = NULL;
soundConfig.pDataSource = NULL;
soundConfig.flags |= MA_SOUND_FLAG_NO_SPATIALIZATION;
return ma_sound_init_ex(pEngine, &soundConfig, pGroup);
}
MA_API void ma_sound_group_uninit(ma_sound_group* pGroup)
{
ma_sound_uninit(pGroup);
}
MA_API ma_engine* ma_sound_group_get_engine(const ma_sound_group* pGroup)
{
return ma_sound_get_engine(pGroup);
}
MA_API ma_result ma_sound_group_start(ma_sound_group* pGroup)
{
return ma_sound_start(pGroup);
}
MA_API ma_result ma_sound_group_stop(ma_sound_group* pGroup)
{
return ma_sound_stop(pGroup);
}
MA_API void ma_sound_group_set_volume(ma_sound_group* pGroup, float volume)
{
ma_sound_set_volume(pGroup, volume);
}
MA_API float ma_sound_group_get_volume(const ma_sound_group* pGroup)
{
return ma_sound_get_volume(pGroup);
}
MA_API void ma_sound_group_set_pan(ma_sound_group* pGroup, float pan)
{
ma_sound_set_pan(pGroup, pan);
}
MA_API float ma_sound_group_get_pan(const ma_sound_group* pGroup)
{
return ma_sound_get_pan(pGroup);
}
MA_API void ma_sound_group_set_pan_mode(ma_sound_group* pGroup, ma_pan_mode panMode)
{
ma_sound_set_pan_mode(pGroup, panMode);
}
MA_API ma_pan_mode ma_sound_group_get_pan_mode(const ma_sound_group* pGroup)
{
return ma_sound_get_pan_mode(pGroup);
}
MA_API void ma_sound_group_set_pitch(ma_sound_group* pGroup, float pitch)
{
ma_sound_set_pitch(pGroup, pitch);
}
MA_API float ma_sound_group_get_pitch(const ma_sound_group* pGroup)
{
return ma_sound_get_pitch(pGroup);
}
MA_API void ma_sound_group_set_spatialization_enabled(ma_sound_group* pGroup, ma_bool32 enabled)
{
ma_sound_set_spatialization_enabled(pGroup, enabled);
}
MA_API ma_bool32 ma_sound_group_is_spatialization_enabled(const ma_sound_group* pGroup)
{
return ma_sound_is_spatialization_enabled(pGroup);
}
MA_API void ma_sound_group_set_pinned_listener_index(ma_sound_group* pGroup, ma_uint32 listenerIndex)
{
ma_sound_set_pinned_listener_index(pGroup, listenerIndex);
}
MA_API ma_uint32 ma_sound_group_get_pinned_listener_index(const ma_sound_group* pGroup)
{
return ma_sound_get_pinned_listener_index(pGroup);
}
MA_API ma_uint32 ma_sound_group_get_listener_index(const ma_sound_group* pGroup)
{
return ma_sound_get_listener_index(pGroup);
}
MA_API ma_vec3f ma_sound_group_get_direction_to_listener(const ma_sound_group* pGroup)
{
return ma_sound_get_direction_to_listener(pGroup);
}
MA_API void ma_sound_group_set_position(ma_sound_group* pGroup, float x, float y, float z)
{
ma_sound_set_position(pGroup, x, y, z);
}
MA_API ma_vec3f ma_sound_group_get_position(const ma_sound_group* pGroup)
{
return ma_sound_get_position(pGroup);
}
MA_API void ma_sound_group_set_direction(ma_sound_group* pGroup, float x, float y, float z)
{
ma_sound_set_direction(pGroup, x, y, z);
}
MA_API ma_vec3f ma_sound_group_get_direction(const ma_sound_group* pGroup)
{
return ma_sound_get_direction(pGroup);
}
MA_API void ma_sound_group_set_velocity(ma_sound_group* pGroup, float x, float y, float z)
{
ma_sound_set_velocity(pGroup, x, y, z);
}
MA_API ma_vec3f ma_sound_group_get_velocity(const ma_sound_group* pGroup)
{
return ma_sound_get_velocity(pGroup);
}
MA_API void ma_sound_group_set_attenuation_model(ma_sound_group* pGroup, ma_attenuation_model attenuationModel)
{
ma_sound_set_attenuation_model(pGroup, attenuationModel);
}
MA_API ma_attenuation_model ma_sound_group_get_attenuation_model(const ma_sound_group* pGroup)
{
return ma_sound_get_attenuation_model(pGroup);
}
MA_API void ma_sound_group_set_positioning(ma_sound_group* pGroup, ma_positioning positioning)
{
ma_sound_set_positioning(pGroup, positioning);
}
MA_API ma_positioning ma_sound_group_get_positioning(const ma_sound_group* pGroup)
{
return ma_sound_get_positioning(pGroup);
}
MA_API void ma_sound_group_set_rolloff(ma_sound_group* pGroup, float rolloff)
{
ma_sound_set_rolloff(pGroup, rolloff);
}
MA_API float ma_sound_group_get_rolloff(const ma_sound_group* pGroup)
{
return ma_sound_get_rolloff(pGroup);
}
MA_API void ma_sound_group_set_min_gain(ma_sound_group* pGroup, float minGain)
{
ma_sound_set_min_gain(pGroup, minGain);
}
MA_API float ma_sound_group_get_min_gain(const ma_sound_group* pGroup)
{
return ma_sound_get_min_gain(pGroup);
}
MA_API void ma_sound_group_set_max_gain(ma_sound_group* pGroup, float maxGain)
{
ma_sound_set_max_gain(pGroup, maxGain);
}
MA_API float ma_sound_group_get_max_gain(const ma_sound_group* pGroup)
{
return ma_sound_get_max_gain(pGroup);
}
MA_API void ma_sound_group_set_min_distance(ma_sound_group* pGroup, float minDistance)
{
ma_sound_set_min_distance(pGroup, minDistance);
}
MA_API float ma_sound_group_get_min_distance(const ma_sound_group* pGroup)
{
return ma_sound_get_min_distance(pGroup);
}
MA_API void ma_sound_group_set_max_distance(ma_sound_group* pGroup, float maxDistance)
{
ma_sound_set_max_distance(pGroup, maxDistance);
}
MA_API float ma_sound_group_get_max_distance(const ma_sound_group* pGroup)
{
return ma_sound_get_max_distance(pGroup);
}
MA_API void ma_sound_group_set_cone(ma_sound_group* pGroup, float innerAngleInRadians, float outerAngleInRadians, float outerGain)
{
ma_sound_set_cone(pGroup, innerAngleInRadians, outerAngleInRadians, outerGain);
}
MA_API void ma_sound_group_get_cone(const ma_sound_group* pGroup, float* pInnerAngleInRadians, float* pOuterAngleInRadians, float* pOuterGain)
{
ma_sound_get_cone(pGroup, pInnerAngleInRadians, pOuterAngleInRadians, pOuterGain);
}
MA_API void ma_sound_group_set_doppler_factor(ma_sound_group* pGroup, float dopplerFactor)
{
ma_sound_set_doppler_factor(pGroup, dopplerFactor);
}
MA_API float ma_sound_group_get_doppler_factor(const ma_sound_group* pGroup)
{
return ma_sound_get_doppler_factor(pGroup);
}
MA_API void ma_sound_group_set_directional_attenuation_factor(ma_sound_group* pGroup, float directionalAttenuationFactor)
{
ma_sound_set_directional_attenuation_factor(pGroup, directionalAttenuationFactor);
}
MA_API float ma_sound_group_get_directional_attenuation_factor(const ma_sound_group* pGroup)
{
return ma_sound_get_directional_attenuation_factor(pGroup);
}
MA_API void ma_sound_group_set_fade_in_pcm_frames(ma_sound_group* pGroup, float volumeBeg, float volumeEnd, ma_uint64 fadeLengthInFrames)
{
ma_sound_set_fade_in_pcm_frames(pGroup, volumeBeg, volumeEnd, fadeLengthInFrames);
}
MA_API void ma_sound_group_set_fade_in_milliseconds(ma_sound_group* pGroup, float volumeBeg, float volumeEnd, ma_uint64 fadeLengthInMilliseconds)
{
ma_sound_set_fade_in_milliseconds(pGroup, volumeBeg, volumeEnd, fadeLengthInMilliseconds);
}
MA_API float ma_sound_group_get_current_fade_volume(ma_sound_group* pGroup)
{
return ma_sound_get_current_fade_volume(pGroup);
}
MA_API void ma_sound_group_set_start_time_in_pcm_frames(ma_sound_group* pGroup, ma_uint64 absoluteGlobalTimeInFrames)
{
ma_sound_set_start_time_in_pcm_frames(pGroup, absoluteGlobalTimeInFrames);
}
MA_API void ma_sound_group_set_start_time_in_milliseconds(ma_sound_group* pGroup, ma_uint64 absoluteGlobalTimeInMilliseconds)
{
ma_sound_set_start_time_in_milliseconds(pGroup, absoluteGlobalTimeInMilliseconds);
}
MA_API void ma_sound_group_set_stop_time_in_pcm_frames(ma_sound_group* pGroup, ma_uint64 absoluteGlobalTimeInFrames)
{
ma_sound_set_stop_time_in_pcm_frames(pGroup, absoluteGlobalTimeInFrames);
}
MA_API void ma_sound_group_set_stop_time_in_milliseconds(ma_sound_group* pGroup, ma_uint64 absoluteGlobalTimeInMilliseconds)
{
ma_sound_set_stop_time_in_milliseconds(pGroup, absoluteGlobalTimeInMilliseconds);
}
MA_API ma_bool32 ma_sound_group_is_playing(const ma_sound_group* pGroup)
{
return ma_sound_is_playing(pGroup);
}
MA_API ma_uint64 ma_sound_group_get_time_in_pcm_frames(const ma_sound_group* pGroup)
{
return ma_sound_get_time_in_pcm_frames(pGroup);
}
#endif
#if !defined(MA_NO_WAV) && (!defined(MA_NO_DECODING) || !defined(MA_NO_ENCODING))
#if !defined(MA_DR_WAV_IMPLEMENTATION)
#ifndef ma_dr_wav_c
#define ma_dr_wav_c
#ifdef __MRC__
#pragma options opt off
#endif
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#ifndef MA_DR_WAV_NO_STDIO
#include <stdio.h>
#ifndef MA_DR_WAV_NO_WCHAR
#include <wchar.h>
#endif
#endif
#ifndef MA_DR_WAV_ASSERT
#include <assert.h>
#define MA_DR_WAV_ASSERT(expression) assert(expression)
#endif
#ifndef MA_DR_WAV_MALLOC
#define MA_DR_WAV_MALLOC(sz) malloc((sz))
#endif
#ifndef MA_DR_WAV_REALLOC
#define MA_DR_WAV_REALLOC(p, sz) realloc((p), (sz))
#endif
#ifndef MA_DR_WAV_FREE
#define MA_DR_WAV_FREE(p) free((p))
#endif
#ifndef MA_DR_WAV_COPY_MEMORY
#define MA_DR_WAV_COPY_MEMORY(dst, src, sz) memcpy((dst), (src), (sz))
#endif
#ifndef MA_DR_WAV_ZERO_MEMORY
#define MA_DR_WAV_ZERO_MEMORY(p, sz) memset((p), 0, (sz))
#endif
#ifndef MA_DR_WAV_ZERO_OBJECT
#define MA_DR_WAV_ZERO_OBJECT(p) MA_DR_WAV_ZERO_MEMORY((p), sizeof(*p))
#endif
#define ma_dr_wav_countof(x) (sizeof(x) / sizeof(x[0]))
#define ma_dr_wav_align(x, a) ((((x) + (a) - 1) / (a)) * (a))
#define ma_dr_wav_min(a, b) (((a) < (b)) ? (a) : (b))
#define ma_dr_wav_max(a, b) (((a) > (b)) ? (a) : (b))
#define ma_dr_wav_clamp(x, lo, hi) (ma_dr_wav_max((lo), ma_dr_wav_min((hi), (x))))
#define ma_dr_wav_offset_ptr(p, offset) (((ma_uint8*)(p)) + (offset))
#define MA_DR_WAV_MAX_SIMD_VECTOR_SIZE 32
#define MA_DR_WAV_INT64_MIN ((ma_int64) ((ma_uint64)0x80000000 << 32))
#define MA_DR_WAV_INT64_MAX ((ma_int64)(((ma_uint64)0x7FFFFFFF << 32) | 0xFFFFFFFF))
#if defined(_MSC_VER) && _MSC_VER >= 1400
#define MA_DR_WAV_HAS_BYTESWAP16_INTRINSIC
#define MA_DR_WAV_HAS_BYTESWAP32_INTRINSIC
#define MA_DR_WAV_HAS_BYTESWAP64_INTRINSIC
#elif defined(__clang__)
#if defined(__has_builtin)
#if __has_builtin(__builtin_bswap16)
#define MA_DR_WAV_HAS_BYTESWAP16_INTRINSIC
#endif
#if __has_builtin(__builtin_bswap32)
#define MA_DR_WAV_HAS_BYTESWAP32_INTRINSIC
#endif
#if __has_builtin(__builtin_bswap64)
#define MA_DR_WAV_HAS_BYTESWAP64_INTRINSIC
#endif
#endif
#elif defined(__GNUC__)
#if ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
#define MA_DR_WAV_HAS_BYTESWAP32_INTRINSIC
#define MA_DR_WAV_HAS_BYTESWAP64_INTRINSIC
#endif
#if ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8))
#define MA_DR_WAV_HAS_BYTESWAP16_INTRINSIC
#endif
#endif
MA_API void ma_dr_wav_version(ma_uint32* pMajor, ma_uint32* pMinor, ma_uint32* pRevision)
{
if (pMajor) {
*pMajor = MA_DR_WAV_VERSION_MAJOR;
}
if (pMinor) {
*pMinor = MA_DR_WAV_VERSION_MINOR;
}
if (pRevision) {
*pRevision = MA_DR_WAV_VERSION_REVISION;
}
}
MA_API const char* ma_dr_wav_version_string(void)
{
return MA_DR_WAV_VERSION_STRING;
}
#ifndef MA_DR_WAV_MAX_SAMPLE_RATE
#define MA_DR_WAV_MAX_SAMPLE_RATE 384000
#endif
#ifndef MA_DR_WAV_MAX_CHANNELS
#define MA_DR_WAV_MAX_CHANNELS 256
#endif
#ifndef MA_DR_WAV_MAX_BITS_PER_SAMPLE
#define MA_DR_WAV_MAX_BITS_PER_SAMPLE 64
#endif
static const ma_uint8 ma_dr_wavGUID_W64_RIFF[16] = {0x72,0x69,0x66,0x66, 0x2E,0x91, 0xCF,0x11, 0xA5,0xD6, 0x28,0xDB,0x04,0xC1,0x00,0x00};
static const ma_uint8 ma_dr_wavGUID_W64_WAVE[16] = {0x77,0x61,0x76,0x65, 0xF3,0xAC, 0xD3,0x11, 0x8C,0xD1, 0x00,0xC0,0x4F,0x8E,0xDB,0x8A};
static const ma_uint8 ma_dr_wavGUID_W64_FMT [16] = {0x66,0x6D,0x74,0x20, 0xF3,0xAC, 0xD3,0x11, 0x8C,0xD1, 0x00,0xC0,0x4F,0x8E,0xDB,0x8A};
static const ma_uint8 ma_dr_wavGUID_W64_FACT[16] = {0x66,0x61,0x63,0x74, 0xF3,0xAC, 0xD3,0x11, 0x8C,0xD1, 0x00,0xC0,0x4F,0x8E,0xDB,0x8A};
static const ma_uint8 ma_dr_wavGUID_W64_DATA[16] = {0x64,0x61,0x74,0x61, 0xF3,0xAC, 0xD3,0x11, 0x8C,0xD1, 0x00,0xC0,0x4F,0x8E,0xDB,0x8A};
static MA_INLINE int ma_dr_wav__is_little_endian(void)
{
#if defined(MA_X86) || defined(MA_X64)
return MA_TRUE;
#elif defined(__BYTE_ORDER) && defined(__LITTLE_ENDIAN) && __BYTE_ORDER == __LITTLE_ENDIAN
return MA_TRUE;
#else
int n = 1;
return (*(char*)&n) == 1;
#endif
}
static MA_INLINE void ma_dr_wav_bytes_to_guid(const ma_uint8* data, ma_uint8* guid)
{
int i;
for (i = 0; i < 16; ++i) {
guid[i] = data[i];
}
}
static MA_INLINE ma_uint16 ma_dr_wav__bswap16(ma_uint16 n)
{
#ifdef MA_DR_WAV_HAS_BYTESWAP16_INTRINSIC
#if defined(_MSC_VER)
return _byteswap_ushort(n);
#elif defined(__GNUC__) || defined(__clang__)
return __builtin_bswap16(n);
#else
#error "This compiler does not support the byte swap intrinsic."
#endif
#else
return ((n & 0xFF00) >> 8) |
((n & 0x00FF) << 8);
#endif
}
static MA_INLINE ma_uint32 ma_dr_wav__bswap32(ma_uint32 n)
{
#ifdef MA_DR_WAV_HAS_BYTESWAP32_INTRINSIC
#if defined(_MSC_VER)
return _byteswap_ulong(n);
#elif defined(__GNUC__) || defined(__clang__)
#if defined(MA_ARM) && (defined(__ARM_ARCH) && __ARM_ARCH >= 6) && !defined(MA_64BIT)
ma_uint32 r;
__asm__ __volatile__ (
#if defined(MA_64BIT)
"rev %w[out], %w[in]" : [out]"=r"(r) : [in]"r"(n)
#else
"rev %[out], %[in]" : [out]"=r"(r) : [in]"r"(n)
#endif
);
return r;
#else
return __builtin_bswap32(n);
#endif
#else
#error "This compiler does not support the byte swap intrinsic."
#endif
#else
return ((n & 0xFF000000) >> 24) |
((n & 0x00FF0000) >> 8) |
((n & 0x0000FF00) << 8) |
((n & 0x000000FF) << 24);
#endif
}
static MA_INLINE ma_uint64 ma_dr_wav__bswap64(ma_uint64 n)
{
#ifdef MA_DR_WAV_HAS_BYTESWAP64_INTRINSIC
#if defined(_MSC_VER)
return _byteswap_uint64(n);
#elif defined(__GNUC__) || defined(__clang__)
return __builtin_bswap64(n);
#else
#error "This compiler does not support the byte swap intrinsic."
#endif
#else
return ((n & ((ma_uint64)0xFF000000 << 32)) >> 56) |
((n & ((ma_uint64)0x00FF0000 << 32)) >> 40) |
((n & ((ma_uint64)0x0000FF00 << 32)) >> 24) |
((n & ((ma_uint64)0x000000FF << 32)) >> 8) |
((n & ((ma_uint64)0xFF000000 )) << 8) |
((n & ((ma_uint64)0x00FF0000 )) << 24) |
((n & ((ma_uint64)0x0000FF00 )) << 40) |
((n & ((ma_uint64)0x000000FF )) << 56);
#endif
}
static MA_INLINE ma_int16 ma_dr_wav__bswap_s16(ma_int16 n)
{
return (ma_int16)ma_dr_wav__bswap16((ma_uint16)n);
}
static MA_INLINE void ma_dr_wav__bswap_samples_s16(ma_int16* pSamples, ma_uint64 sampleCount)
{
ma_uint64 iSample;
for (iSample = 0; iSample < sampleCount; iSample += 1) {
pSamples[iSample] = ma_dr_wav__bswap_s16(pSamples[iSample]);
}
}
static MA_INLINE void ma_dr_wav__bswap_s24(ma_uint8* p)
{
ma_uint8 t;
t = p[0];
p[0] = p[2];
p[2] = t;
}
static MA_INLINE void ma_dr_wav__bswap_samples_s24(ma_uint8* pSamples, ma_uint64 sampleCount)
{
ma_uint64 iSample;
for (iSample = 0; iSample < sampleCount; iSample += 1) {
ma_uint8* pSample = pSamples + (iSample*3);
ma_dr_wav__bswap_s24(pSample);
}
}
static MA_INLINE ma_int32 ma_dr_wav__bswap_s32(ma_int32 n)
{
return (ma_int32)ma_dr_wav__bswap32((ma_uint32)n);
}
static MA_INLINE void ma_dr_wav__bswap_samples_s32(ma_int32* pSamples, ma_uint64 sampleCount)
{
ma_uint64 iSample;
for (iSample = 0; iSample < sampleCount; iSample += 1) {
pSamples[iSample] = ma_dr_wav__bswap_s32(pSamples[iSample]);
}
}
static MA_INLINE ma_int64 ma_dr_wav__bswap_s64(ma_int64 n)
{
return (ma_int64)ma_dr_wav__bswap64((ma_uint64)n);
}
static MA_INLINE void ma_dr_wav__bswap_samples_s64(ma_int64* pSamples, ma_uint64 sampleCount)
{
ma_uint64 iSample;
for (iSample = 0; iSample < sampleCount; iSample += 1) {
pSamples[iSample] = ma_dr_wav__bswap_s64(pSamples[iSample]);
}
}
static MA_INLINE float ma_dr_wav__bswap_f32(float n)
{
union {
ma_uint32 i;
float f;
} x;
x.f = n;
x.i = ma_dr_wav__bswap32(x.i);
return x.f;
}
static MA_INLINE void ma_dr_wav__bswap_samples_f32(float* pSamples, ma_uint64 sampleCount)
{
ma_uint64 iSample;
for (iSample = 0; iSample < sampleCount; iSample += 1) {
pSamples[iSample] = ma_dr_wav__bswap_f32(pSamples[iSample]);
}
}
static MA_INLINE void ma_dr_wav__bswap_samples(void* pSamples, ma_uint64 sampleCount, ma_uint32 bytesPerSample)
{
switch (bytesPerSample)
{
case 1:
{
} break;
case 2:
{
ma_dr_wav__bswap_samples_s16((ma_int16*)pSamples, sampleCount);
} break;
case 3:
{
ma_dr_wav__bswap_samples_s24((ma_uint8*)pSamples, sampleCount);
} break;
case 4:
{
ma_dr_wav__bswap_samples_s32((ma_int32*)pSamples, sampleCount);
} break;
case 8:
{
ma_dr_wav__bswap_samples_s64((ma_int64*)pSamples, sampleCount);
} break;
default:
{
MA_DR_WAV_ASSERT(MA_FALSE);
} break;
}
}
MA_PRIVATE MA_INLINE ma_bool32 ma_dr_wav_is_container_be(ma_dr_wav_container container)
{
if (container == ma_dr_wav_container_rifx || container == ma_dr_wav_container_aiff) {
return MA_TRUE;
} else {
return MA_FALSE;
}
}
MA_PRIVATE MA_INLINE ma_uint16 ma_dr_wav_bytes_to_u16_le(const ma_uint8* data)
{
return ((ma_uint16)data[0] << 0) | ((ma_uint16)data[1] << 8);
}
MA_PRIVATE MA_INLINE ma_uint16 ma_dr_wav_bytes_to_u16_be(const ma_uint8* data)
{
return ((ma_uint16)data[1] << 0) | ((ma_uint16)data[0] << 8);
}
MA_PRIVATE MA_INLINE ma_uint16 ma_dr_wav_bytes_to_u16_ex(const ma_uint8* data, ma_dr_wav_container container)
{
if (ma_dr_wav_is_container_be(container)) {
return ma_dr_wav_bytes_to_u16_be(data);
} else {
return ma_dr_wav_bytes_to_u16_le(data);
}
}
MA_PRIVATE MA_INLINE ma_uint32 ma_dr_wav_bytes_to_u32_le(const ma_uint8* data)
{
return ((ma_uint32)data[0] << 0) | ((ma_uint32)data[1] << 8) | ((ma_uint32)data[2] << 16) | ((ma_uint32)data[3] << 24);
}
MA_PRIVATE MA_INLINE ma_uint32 ma_dr_wav_bytes_to_u32_be(const ma_uint8* data)
{
return ((ma_uint32)data[3] << 0) | ((ma_uint32)data[2] << 8) | ((ma_uint32)data[1] << 16) | ((ma_uint32)data[0] << 24);
}
MA_PRIVATE MA_INLINE ma_uint32 ma_dr_wav_bytes_to_u32_ex(const ma_uint8* data, ma_dr_wav_container container)
{
if (ma_dr_wav_is_container_be(container)) {
return ma_dr_wav_bytes_to_u32_be(data);
} else {
return ma_dr_wav_bytes_to_u32_le(data);
}
}
MA_PRIVATE ma_int64 ma_dr_wav_aiff_extented_to_s64(const ma_uint8* data)
{
ma_uint32 exponent = ((ma_uint32)data[0] << 8) | data[1];
ma_uint64 hi = ((ma_uint64)data[2] << 24) | ((ma_uint64)data[3] << 16) | ((ma_uint64)data[4] << 8) | ((ma_uint64)data[5] << 0);
ma_uint64 lo = ((ma_uint64)data[6] << 24) | ((ma_uint64)data[7] << 16) | ((ma_uint64)data[8] << 8) | ((ma_uint64)data[9] << 0);
ma_uint64 significand = (hi << 32) | lo;
int sign = exponent >> 15;
exponent &= 0x7FFF;
if (exponent == 0 && significand == 0) {
return 0;
} else if (exponent == 0x7FFF) {
return sign ? MA_DR_WAV_INT64_MIN : MA_DR_WAV_INT64_MAX;
}
exponent -= 16383;
if (exponent > 63) {
return sign ? MA_DR_WAV_INT64_MIN : MA_DR_WAV_INT64_MAX;
} else if (exponent < 1) {
return 0;
}
significand >>= (63 - exponent);
if (sign) {
return -(ma_int64)significand;
} else {
return (ma_int64)significand;
}
}
MA_PRIVATE void* ma_dr_wav__malloc_default(size_t sz, void* pUserData)
{
(void)pUserData;
return MA_DR_WAV_MALLOC(sz);
}
MA_PRIVATE void* ma_dr_wav__realloc_default(void* p, size_t sz, void* pUserData)
{
(void)pUserData;
return MA_DR_WAV_REALLOC(p, sz);
}
MA_PRIVATE void ma_dr_wav__free_default(void* p, void* pUserData)
{
(void)pUserData;
MA_DR_WAV_FREE(p);
}
MA_PRIVATE void* ma_dr_wav__malloc_from_callbacks(size_t sz, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pAllocationCallbacks == NULL) {
return NULL;
}
if (pAllocationCallbacks->onMalloc != NULL) {
return pAllocationCallbacks->onMalloc(sz, pAllocationCallbacks->pUserData);
}
if (pAllocationCallbacks->onRealloc != NULL) {
return pAllocationCallbacks->onRealloc(NULL, sz, pAllocationCallbacks->pUserData);
}
return NULL;
}
MA_PRIVATE void* ma_dr_wav__realloc_from_callbacks(void* p, size_t szNew, size_t szOld, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pAllocationCallbacks == NULL) {
return NULL;
}
if (pAllocationCallbacks->onRealloc != NULL) {
return pAllocationCallbacks->onRealloc(p, szNew, pAllocationCallbacks->pUserData);
}
if (pAllocationCallbacks->onMalloc != NULL && pAllocationCallbacks->onFree != NULL) {
void* p2;
p2 = pAllocationCallbacks->onMalloc(szNew, pAllocationCallbacks->pUserData);
if (p2 == NULL) {
return NULL;
}
if (p != NULL) {
MA_DR_WAV_COPY_MEMORY(p2, p, szOld);
pAllocationCallbacks->onFree(p, pAllocationCallbacks->pUserData);
}
return p2;
}
return NULL;
}
MA_PRIVATE void ma_dr_wav__free_from_callbacks(void* p, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (p == NULL || pAllocationCallbacks == NULL) {
return;
}
if (pAllocationCallbacks->onFree != NULL) {
pAllocationCallbacks->onFree(p, pAllocationCallbacks->pUserData);
}
}
MA_PRIVATE ma_allocation_callbacks ma_dr_wav_copy_allocation_callbacks_or_defaults(const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pAllocationCallbacks != NULL) {
return *pAllocationCallbacks;
} else {
ma_allocation_callbacks allocationCallbacks;
allocationCallbacks.pUserData = NULL;
allocationCallbacks.onMalloc = ma_dr_wav__malloc_default;
allocationCallbacks.onRealloc = ma_dr_wav__realloc_default;
allocationCallbacks.onFree = ma_dr_wav__free_default;
return allocationCallbacks;
}
}
static MA_INLINE ma_bool32 ma_dr_wav__is_compressed_format_tag(ma_uint16 formatTag)
{
return
formatTag == MA_DR_WAVE_FORMAT_ADPCM ||
formatTag == MA_DR_WAVE_FORMAT_DVI_ADPCM;
}
MA_PRIVATE unsigned int ma_dr_wav__chunk_padding_size_riff(ma_uint64 chunkSize)
{
return (unsigned int)(chunkSize % 2);
}
MA_PRIVATE unsigned int ma_dr_wav__chunk_padding_size_w64(ma_uint64 chunkSize)
{
return (unsigned int)(chunkSize % 8);
}
MA_PRIVATE ma_uint64 ma_dr_wav_read_pcm_frames_s16__msadpcm(ma_dr_wav* pWav, ma_uint64 samplesToRead, ma_int16* pBufferOut);
MA_PRIVATE ma_uint64 ma_dr_wav_read_pcm_frames_s16__ima(ma_dr_wav* pWav, ma_uint64 samplesToRead, ma_int16* pBufferOut);
MA_PRIVATE ma_bool32 ma_dr_wav_init_write__internal(ma_dr_wav* pWav, const ma_dr_wav_data_format* pFormat, ma_uint64 totalSampleCount);
MA_PRIVATE ma_result ma_dr_wav__read_chunk_header(ma_dr_wav_read_proc onRead, void* pUserData, ma_dr_wav_container container, ma_uint64* pRunningBytesReadOut, ma_dr_wav_chunk_header* pHeaderOut)
{
if (container == ma_dr_wav_container_riff || container == ma_dr_wav_container_rifx || container == ma_dr_wav_container_rf64 || container == ma_dr_wav_container_aiff) {
ma_uint8 sizeInBytes[4];
if (onRead(pUserData, pHeaderOut->id.fourcc, 4) != 4) {
return MA_AT_END;
}
if (onRead(pUserData, sizeInBytes, 4) != 4) {
return MA_INVALID_FILE;
}
pHeaderOut->sizeInBytes = ma_dr_wav_bytes_to_u32_ex(sizeInBytes, container);
pHeaderOut->paddingSize = ma_dr_wav__chunk_padding_size_riff(pHeaderOut->sizeInBytes);
*pRunningBytesReadOut += 8;
} else if (container == ma_dr_wav_container_w64) {
ma_uint8 sizeInBytes[8];
if (onRead(pUserData, pHeaderOut->id.guid, 16) != 16) {
return MA_AT_END;
}
if (onRead(pUserData, sizeInBytes, 8) != 8) {
return MA_INVALID_FILE;
}
pHeaderOut->sizeInBytes = ma_dr_wav_bytes_to_u64(sizeInBytes) - 24;
pHeaderOut->paddingSize = ma_dr_wav__chunk_padding_size_w64(pHeaderOut->sizeInBytes);
*pRunningBytesReadOut += 24;
} else {
return MA_INVALID_FILE;
}
return MA_SUCCESS;
}
MA_PRIVATE ma_bool32 ma_dr_wav__seek_forward(ma_dr_wav_seek_proc onSeek, ma_uint64 offset, void* pUserData)
{
ma_uint64 bytesRemainingToSeek = offset;
while (bytesRemainingToSeek > 0) {
if (bytesRemainingToSeek > 0x7FFFFFFF) {
if (!onSeek(pUserData, 0x7FFFFFFF, MA_DR_WAV_SEEK_CUR)) {
return MA_FALSE;
}
bytesRemainingToSeek -= 0x7FFFFFFF;
} else {
if (!onSeek(pUserData, (int)bytesRemainingToSeek, MA_DR_WAV_SEEK_CUR)) {
return MA_FALSE;
}
bytesRemainingToSeek = 0;
}
}
return MA_TRUE;
}
MA_PRIVATE ma_bool32 ma_dr_wav__seek_from_start(ma_dr_wav_seek_proc onSeek, ma_uint64 offset, void* pUserData)
{
if (offset <= 0x7FFFFFFF) {
return onSeek(pUserData, (int)offset, MA_DR_WAV_SEEK_SET);
}
if (!onSeek(pUserData, 0x7FFFFFFF, MA_DR_WAV_SEEK_SET)) {
return MA_FALSE;
}
offset -= 0x7FFFFFFF;
for (;;) {
if (offset <= 0x7FFFFFFF) {
return onSeek(pUserData, (int)offset, MA_DR_WAV_SEEK_CUR);
}
if (!onSeek(pUserData, 0x7FFFFFFF, MA_DR_WAV_SEEK_CUR)) {
return MA_FALSE;
}
offset -= 0x7FFFFFFF;
}
}
MA_PRIVATE size_t ma_dr_wav__on_read(ma_dr_wav_read_proc onRead, void* pUserData, void* pBufferOut, size_t bytesToRead, ma_uint64* pCursor)
{
size_t bytesRead;
MA_DR_WAV_ASSERT(onRead != NULL);
MA_DR_WAV_ASSERT(pCursor != NULL);
bytesRead = onRead(pUserData, pBufferOut, bytesToRead);
*pCursor += bytesRead;
return bytesRead;
}
#if 0
MA_PRIVATE ma_bool32 ma_dr_wav__on_seek(ma_dr_wav_seek_proc onSeek, void* pUserData, int offset, ma_dr_wav_seek_origin origin, ma_uint64* pCursor)
{
MA_DR_WAV_ASSERT(onSeek != NULL);
MA_DR_WAV_ASSERT(pCursor != NULL);
if (!onSeek(pUserData, offset, origin)) {
return MA_FALSE;
}
if (origin == MA_DR_WAV_SEEK_SET) {
*pCursor = offset;
} else {
*pCursor += offset;
}
return MA_TRUE;
}
#endif
#define MA_DR_WAV_SMPL_BYTES 36
#define MA_DR_WAV_SMPL_LOOP_BYTES 24
#define MA_DR_WAV_INST_BYTES 7
#define MA_DR_WAV_ACID_BYTES 24
#define MA_DR_WAV_CUE_BYTES 4
#define MA_DR_WAV_BEXT_BYTES 602
#define MA_DR_WAV_BEXT_DESCRIPTION_BYTES 256
#define MA_DR_WAV_BEXT_ORIGINATOR_NAME_BYTES 32
#define MA_DR_WAV_BEXT_ORIGINATOR_REF_BYTES 32
#define MA_DR_WAV_BEXT_RESERVED_BYTES 180
#define MA_DR_WAV_BEXT_UMID_BYTES 64
#define MA_DR_WAV_CUE_POINT_BYTES 24
#define MA_DR_WAV_LIST_LABEL_OR_NOTE_BYTES 4
#define MA_DR_WAV_LIST_LABELLED_TEXT_BYTES 20
#define MA_DR_WAV_METADATA_ALIGNMENT 8
typedef enum
{
ma_dr_wav__metadata_parser_stage_count,
ma_dr_wav__metadata_parser_stage_read
} ma_dr_wav__metadata_parser_stage;
typedef struct
{
ma_dr_wav_read_proc onRead;
ma_dr_wav_seek_proc onSeek;
void *pReadSeekUserData;
ma_dr_wav__metadata_parser_stage stage;
ma_dr_wav_metadata *pMetadata;
ma_uint32 metadataCount;
ma_uint8 *pData;
ma_uint8 *pDataCursor;
ma_uint64 metadataCursor;
ma_uint64 extraCapacity;
} ma_dr_wav__metadata_parser;
MA_PRIVATE size_t ma_dr_wav__metadata_memory_capacity(ma_dr_wav__metadata_parser* pParser)
{
ma_uint64 cap = sizeof(ma_dr_wav_metadata) * (ma_uint64)pParser->metadataCount + pParser->extraCapacity;
if (cap > MA_SIZE_MAX) {
return 0;
}
return (size_t)cap;
}
MA_PRIVATE ma_uint8* ma_dr_wav__metadata_get_memory(ma_dr_wav__metadata_parser* pParser, size_t size, size_t align)
{
ma_uint8* pResult;
if (align) {
ma_uintptr modulo = (ma_uintptr)pParser->pDataCursor % align;
if (modulo != 0) {
pParser->pDataCursor += align - modulo;
}
}
pResult = pParser->pDataCursor;
MA_DR_WAV_ASSERT((pResult + size) <= (pParser->pData + ma_dr_wav__metadata_memory_capacity(pParser)));
pParser->pDataCursor += size;
return pResult;
}
MA_PRIVATE void ma_dr_wav__metadata_request_extra_memory_for_stage_2(ma_dr_wav__metadata_parser* pParser, size_t bytes, size_t align)
{
size_t extra = bytes + (align ? (align - 1) : 0);
pParser->extraCapacity += extra;
}
MA_PRIVATE ma_result ma_dr_wav__metadata_alloc(ma_dr_wav__metadata_parser* pParser, ma_allocation_callbacks* pAllocationCallbacks)
{
if (pParser->extraCapacity != 0 || pParser->metadataCount != 0) {
pAllocationCallbacks->onFree(pParser->pData, pAllocationCallbacks->pUserData);
pParser->pData = (ma_uint8*)pAllocationCallbacks->onMalloc(ma_dr_wav__metadata_memory_capacity(pParser), pAllocationCallbacks->pUserData);
pParser->pDataCursor = pParser->pData;
if (pParser->pData == NULL) {
return MA_OUT_OF_MEMORY;
}
pParser->pMetadata = (ma_dr_wav_metadata*)ma_dr_wav__metadata_get_memory(pParser, sizeof(ma_dr_wav_metadata) * pParser->metadataCount, 1);
pParser->metadataCursor = 0;
}
return MA_SUCCESS;
}
MA_PRIVATE size_t ma_dr_wav__metadata_parser_read(ma_dr_wav__metadata_parser* pParser, void* pBufferOut, size_t bytesToRead, ma_uint64* pCursor)
{
if (pCursor != NULL) {
return ma_dr_wav__on_read(pParser->onRead, pParser->pReadSeekUserData, pBufferOut, bytesToRead, pCursor);
} else {
return pParser->onRead(pParser->pReadSeekUserData, pBufferOut, bytesToRead);
}
}
MA_PRIVATE ma_uint64 ma_dr_wav__read_smpl_to_metadata_obj(ma_dr_wav__metadata_parser* pParser, const ma_dr_wav_chunk_header* pChunkHeader, ma_dr_wav_metadata* pMetadata)
{
ma_uint8 smplHeaderData[MA_DR_WAV_SMPL_BYTES];
ma_uint64 totalBytesRead = 0;
size_t bytesJustRead;
if (pMetadata == NULL) {
return 0;
}
bytesJustRead = ma_dr_wav__metadata_parser_read(pParser, smplHeaderData, sizeof(smplHeaderData), &totalBytesRead);
MA_DR_WAV_ASSERT(pParser->stage == ma_dr_wav__metadata_parser_stage_read);
MA_DR_WAV_ASSERT(pChunkHeader != NULL);
if (pMetadata != NULL && bytesJustRead == sizeof(smplHeaderData)) {
ma_uint32 iSampleLoop;
pMetadata->type = ma_dr_wav_metadata_type_smpl;
pMetadata->data.smpl.manufacturerId = ma_dr_wav_bytes_to_u32(smplHeaderData + 0);
pMetadata->data.smpl.productId = ma_dr_wav_bytes_to_u32(smplHeaderData + 4);
pMetadata->data.smpl.samplePeriodNanoseconds = ma_dr_wav_bytes_to_u32(smplHeaderData + 8);
pMetadata->data.smpl.midiUnityNote = ma_dr_wav_bytes_to_u32(smplHeaderData + 12);
pMetadata->data.smpl.midiPitchFraction = ma_dr_wav_bytes_to_u32(smplHeaderData + 16);
pMetadata->data.smpl.smpteFormat = ma_dr_wav_bytes_to_u32(smplHeaderData + 20);
pMetadata->data.smpl.smpteOffset = ma_dr_wav_bytes_to_u32(smplHeaderData + 24);
pMetadata->data.smpl.sampleLoopCount = ma_dr_wav_bytes_to_u32(smplHeaderData + 28);
pMetadata->data.smpl.samplerSpecificDataSizeInBytes = ma_dr_wav_bytes_to_u32(smplHeaderData + 32);
if (pMetadata->data.smpl.sampleLoopCount == (pChunkHeader->sizeInBytes - MA_DR_WAV_SMPL_BYTES) / MA_DR_WAV_SMPL_LOOP_BYTES) {
pMetadata->data.smpl.pLoops = (ma_dr_wav_smpl_loop*)ma_dr_wav__metadata_get_memory(pParser, sizeof(ma_dr_wav_smpl_loop) * pMetadata->data.smpl.sampleLoopCount, MA_DR_WAV_METADATA_ALIGNMENT);
for (iSampleLoop = 0; iSampleLoop < pMetadata->data.smpl.sampleLoopCount; ++iSampleLoop) {
ma_uint8 smplLoopData[MA_DR_WAV_SMPL_LOOP_BYTES];
bytesJustRead = ma_dr_wav__metadata_parser_read(pParser, smplLoopData, sizeof(smplLoopData), &totalBytesRead);
if (bytesJustRead == sizeof(smplLoopData)) {
pMetadata->data.smpl.pLoops[iSampleLoop].cuePointId = ma_dr_wav_bytes_to_u32(smplLoopData + 0);
pMetadata->data.smpl.pLoops[iSampleLoop].type = ma_dr_wav_bytes_to_u32(smplLoopData + 4);
pMetadata->data.smpl.pLoops[iSampleLoop].firstSampleOffset = ma_dr_wav_bytes_to_u32(smplLoopData + 8);
pMetadata->data.smpl.pLoops[iSampleLoop].lastSampleOffset = ma_dr_wav_bytes_to_u32(smplLoopData + 12);
pMetadata->data.smpl.pLoops[iSampleLoop].sampleFraction = ma_dr_wav_bytes_to_u32(smplLoopData + 16);
pMetadata->data.smpl.pLoops[iSampleLoop].playCount = ma_dr_wav_bytes_to_u32(smplLoopData + 20);
} else {
break;
}
}
if (pMetadata->data.smpl.samplerSpecificDataSizeInBytes > 0) {
pMetadata->data.smpl.pSamplerSpecificData = ma_dr_wav__metadata_get_memory(pParser, pMetadata->data.smpl.samplerSpecificDataSizeInBytes, 1);
MA_DR_WAV_ASSERT(pMetadata->data.smpl.pSamplerSpecificData != NULL);
ma_dr_wav__metadata_parser_read(pParser, pMetadata->data.smpl.pSamplerSpecificData, pMetadata->data.smpl.samplerSpecificDataSizeInBytes, &totalBytesRead);
}
}
}
return totalBytesRead;
}
MA_PRIVATE ma_uint64 ma_dr_wav__read_cue_to_metadata_obj(ma_dr_wav__metadata_parser* pParser, const ma_dr_wav_chunk_header* pChunkHeader, ma_dr_wav_metadata* pMetadata)
{
ma_uint8 cueHeaderSectionData[MA_DR_WAV_CUE_BYTES];
ma_uint64 totalBytesRead = 0;
size_t bytesJustRead;
if (pMetadata == NULL) {
return 0;
}
bytesJustRead = ma_dr_wav__metadata_parser_read(pParser, cueHeaderSectionData, sizeof(cueHeaderSectionData), &totalBytesRead);
MA_DR_WAV_ASSERT(pParser->stage == ma_dr_wav__metadata_parser_stage_read);
if (bytesJustRead == sizeof(cueHeaderSectionData)) {
pMetadata->type = ma_dr_wav_metadata_type_cue;
pMetadata->data.cue.cuePointCount = ma_dr_wav_bytes_to_u32(cueHeaderSectionData);
if (pMetadata->data.cue.cuePointCount == (pChunkHeader->sizeInBytes - MA_DR_WAV_CUE_BYTES) / MA_DR_WAV_CUE_POINT_BYTES) {
pMetadata->data.cue.pCuePoints = (ma_dr_wav_cue_point*)ma_dr_wav__metadata_get_memory(pParser, sizeof(ma_dr_wav_cue_point) * pMetadata->data.cue.cuePointCount, MA_DR_WAV_METADATA_ALIGNMENT);
MA_DR_WAV_ASSERT(pMetadata->data.cue.pCuePoints != NULL);
if (pMetadata->data.cue.cuePointCount > 0) {
ma_uint32 iCuePoint;
for (iCuePoint = 0; iCuePoint < pMetadata->data.cue.cuePointCount; ++iCuePoint) {
ma_uint8 cuePointData[MA_DR_WAV_CUE_POINT_BYTES];
bytesJustRead = ma_dr_wav__metadata_parser_read(pParser, cuePointData, sizeof(cuePointData), &totalBytesRead);
if (bytesJustRead == sizeof(cuePointData)) {
pMetadata->data.cue.pCuePoints[iCuePoint].id = ma_dr_wav_bytes_to_u32(cuePointData + 0);
pMetadata->data.cue.pCuePoints[iCuePoint].playOrderPosition = ma_dr_wav_bytes_to_u32(cuePointData + 4);
pMetadata->data.cue.pCuePoints[iCuePoint].dataChunkId[0] = cuePointData[8];
pMetadata->data.cue.pCuePoints[iCuePoint].dataChunkId[1] = cuePointData[9];
pMetadata->data.cue.pCuePoints[iCuePoint].dataChunkId[2] = cuePointData[10];
pMetadata->data.cue.pCuePoints[iCuePoint].dataChunkId[3] = cuePointData[11];
pMetadata->data.cue.pCuePoints[iCuePoint].chunkStart = ma_dr_wav_bytes_to_u32(cuePointData + 12);
pMetadata->data.cue.pCuePoints[iCuePoint].blockStart = ma_dr_wav_bytes_to_u32(cuePointData + 16);
pMetadata->data.cue.pCuePoints[iCuePoint].sampleOffset = ma_dr_wav_bytes_to_u32(cuePointData + 20);
} else {
break;
}
}
}
}
}
return totalBytesRead;
}
MA_PRIVATE ma_uint64 ma_dr_wav__read_inst_to_metadata_obj(ma_dr_wav__metadata_parser* pParser, ma_dr_wav_metadata* pMetadata)
{
ma_uint8 instData[MA_DR_WAV_INST_BYTES];
ma_uint64 bytesRead;
if (pMetadata == NULL) {
return 0;
}
bytesRead = ma_dr_wav__metadata_parser_read(pParser, instData, sizeof(instData), NULL);
MA_DR_WAV_ASSERT(pParser->stage == ma_dr_wav__metadata_parser_stage_read);
if (bytesRead == sizeof(instData)) {
pMetadata->type = ma_dr_wav_metadata_type_inst;
pMetadata->data.inst.midiUnityNote = (ma_int8)instData[0];
pMetadata->data.inst.fineTuneCents = (ma_int8)instData[1];
pMetadata->data.inst.gainDecibels = (ma_int8)instData[2];
pMetadata->data.inst.lowNote = (ma_int8)instData[3];
pMetadata->data.inst.highNote = (ma_int8)instData[4];
pMetadata->data.inst.lowVelocity = (ma_int8)instData[5];
pMetadata->data.inst.highVelocity = (ma_int8)instData[6];
}
return bytesRead;
}
MA_PRIVATE ma_uint64 ma_dr_wav__read_acid_to_metadata_obj(ma_dr_wav__metadata_parser* pParser, ma_dr_wav_metadata* pMetadata)
{
ma_uint8 acidData[MA_DR_WAV_ACID_BYTES];
ma_uint64 bytesRead;
if (pMetadata == NULL) {
return 0;
}
bytesRead = ma_dr_wav__metadata_parser_read(pParser, acidData, sizeof(acidData), NULL);
MA_DR_WAV_ASSERT(pParser->stage == ma_dr_wav__metadata_parser_stage_read);
if (bytesRead == sizeof(acidData)) {
pMetadata->type = ma_dr_wav_metadata_type_acid;
pMetadata->data.acid.flags = ma_dr_wav_bytes_to_u32(acidData + 0);
pMetadata->data.acid.midiUnityNote = ma_dr_wav_bytes_to_u16(acidData + 4);
pMetadata->data.acid.reserved1 = ma_dr_wav_bytes_to_u16(acidData + 6);
pMetadata->data.acid.reserved2 = ma_dr_wav_bytes_to_f32(acidData + 8);
pMetadata->data.acid.numBeats = ma_dr_wav_bytes_to_u32(acidData + 12);
pMetadata->data.acid.meterDenominator = ma_dr_wav_bytes_to_u16(acidData + 16);
pMetadata->data.acid.meterNumerator = ma_dr_wav_bytes_to_u16(acidData + 18);
pMetadata->data.acid.tempo = ma_dr_wav_bytes_to_f32(acidData + 20);
}
return bytesRead;
}
MA_PRIVATE size_t ma_dr_wav__strlen(const char* str)
{
size_t result = 0;
while (*str++) {
result += 1;
}
return result;
}
MA_PRIVATE size_t ma_dr_wav__strlen_clamped(const char* str, size_t maxToRead)
{
size_t result = 0;
while (*str++ && result < maxToRead) {
result += 1;
}
return result;
}
MA_PRIVATE char* ma_dr_wav__metadata_copy_string(ma_dr_wav__metadata_parser* pParser, const char* str, size_t maxToRead)
{
size_t len = ma_dr_wav__strlen_clamped(str, maxToRead);
if (len) {
char* result = (char*)ma_dr_wav__metadata_get_memory(pParser, len + 1, 1);
MA_DR_WAV_ASSERT(result != NULL);
MA_DR_WAV_COPY_MEMORY(result, str, len);
result[len] = '\0';
return result;
} else {
return NULL;
}
}
typedef struct
{
const void* pBuffer;
size_t sizeInBytes;
size_t cursor;
} ma_dr_wav_buffer_reader;
MA_PRIVATE ma_result ma_dr_wav_buffer_reader_init(const void* pBuffer, size_t sizeInBytes, ma_dr_wav_buffer_reader* pReader)
{
MA_DR_WAV_ASSERT(pBuffer != NULL);
MA_DR_WAV_ASSERT(pReader != NULL);
MA_DR_WAV_ZERO_OBJECT(pReader);
pReader->pBuffer = pBuffer;
pReader->sizeInBytes = sizeInBytes;
pReader->cursor = 0;
return MA_SUCCESS;
}
MA_PRIVATE const void* ma_dr_wav_buffer_reader_ptr(const ma_dr_wav_buffer_reader* pReader)
{
MA_DR_WAV_ASSERT(pReader != NULL);
return ma_dr_wav_offset_ptr(pReader->pBuffer, pReader->cursor);
}
MA_PRIVATE ma_result ma_dr_wav_buffer_reader_seek(ma_dr_wav_buffer_reader* pReader, size_t bytesToSeek)
{
MA_DR_WAV_ASSERT(pReader != NULL);
if (pReader->cursor + bytesToSeek > pReader->sizeInBytes) {
return MA_BAD_SEEK;
}
pReader->cursor += bytesToSeek;
return MA_SUCCESS;
}
MA_PRIVATE ma_result ma_dr_wav_buffer_reader_read(ma_dr_wav_buffer_reader* pReader, void* pDst, size_t bytesToRead, size_t* pBytesRead)
{
ma_result result = MA_SUCCESS;
size_t bytesRemaining;
MA_DR_WAV_ASSERT(pReader != NULL);
if (pBytesRead != NULL) {
*pBytesRead = 0;
}
bytesRemaining = (pReader->sizeInBytes - pReader->cursor);
if (bytesToRead > bytesRemaining) {
bytesToRead = bytesRemaining;
}
if (pDst == NULL) {
result = ma_dr_wav_buffer_reader_seek(pReader, bytesToRead);
} else {
MA_DR_WAV_COPY_MEMORY(pDst, ma_dr_wav_buffer_reader_ptr(pReader), bytesToRead);
pReader->cursor += bytesToRead;
}
MA_DR_WAV_ASSERT(pReader->cursor <= pReader->sizeInBytes);
if (result == MA_SUCCESS) {
if (pBytesRead != NULL) {
*pBytesRead = bytesToRead;
}
}
return MA_SUCCESS;
}
MA_PRIVATE ma_result ma_dr_wav_buffer_reader_read_u16(ma_dr_wav_buffer_reader* pReader, ma_uint16* pDst)
{
ma_result result;
size_t bytesRead;
ma_uint8 data[2];
MA_DR_WAV_ASSERT(pReader != NULL);
MA_DR_WAV_ASSERT(pDst != NULL);
*pDst = 0;
result = ma_dr_wav_buffer_reader_read(pReader, data, sizeof(*pDst), &bytesRead);
if (result != MA_SUCCESS || bytesRead != sizeof(*pDst)) {
return result;
}
*pDst = ma_dr_wav_bytes_to_u16(data);
return MA_SUCCESS;
}
MA_PRIVATE ma_result ma_dr_wav_buffer_reader_read_u32(ma_dr_wav_buffer_reader* pReader, ma_uint32* pDst)
{
ma_result result;
size_t bytesRead;
ma_uint8 data[4];
MA_DR_WAV_ASSERT(pReader != NULL);
MA_DR_WAV_ASSERT(pDst != NULL);
*pDst = 0;
result = ma_dr_wav_buffer_reader_read(pReader, data, sizeof(*pDst), &bytesRead);
if (result != MA_SUCCESS || bytesRead != sizeof(*pDst)) {
return result;
}
*pDst = ma_dr_wav_bytes_to_u32(data);
return MA_SUCCESS;
}
MA_PRIVATE ma_uint64 ma_dr_wav__read_bext_to_metadata_obj(ma_dr_wav__metadata_parser* pParser, ma_dr_wav_metadata* pMetadata, ma_uint64 chunkSize)
{
ma_uint8 bextData[MA_DR_WAV_BEXT_BYTES];
size_t bytesRead = ma_dr_wav__metadata_parser_read(pParser, bextData, sizeof(bextData), NULL);
MA_DR_WAV_ASSERT(pParser->stage == ma_dr_wav__metadata_parser_stage_read);
if (bytesRead == sizeof(bextData)) {
ma_dr_wav_buffer_reader reader;
ma_uint32 timeReferenceLow;
ma_uint32 timeReferenceHigh;
size_t extraBytes;
pMetadata->type = ma_dr_wav_metadata_type_bext;
if (ma_dr_wav_buffer_reader_init(bextData, bytesRead, &reader) == MA_SUCCESS) {
pMetadata->data.bext.pDescription = ma_dr_wav__metadata_copy_string(pParser, (const char*)ma_dr_wav_buffer_reader_ptr(&reader), MA_DR_WAV_BEXT_DESCRIPTION_BYTES);
ma_dr_wav_buffer_reader_seek(&reader, MA_DR_WAV_BEXT_DESCRIPTION_BYTES);
pMetadata->data.bext.pOriginatorName = ma_dr_wav__metadata_copy_string(pParser, (const char*)ma_dr_wav_buffer_reader_ptr(&reader), MA_DR_WAV_BEXT_ORIGINATOR_NAME_BYTES);
ma_dr_wav_buffer_reader_seek(&reader, MA_DR_WAV_BEXT_ORIGINATOR_NAME_BYTES);
pMetadata->data.bext.pOriginatorReference = ma_dr_wav__metadata_copy_string(pParser, (const char*)ma_dr_wav_buffer_reader_ptr(&reader), MA_DR_WAV_BEXT_ORIGINATOR_REF_BYTES);
ma_dr_wav_buffer_reader_seek(&reader, MA_DR_WAV_BEXT_ORIGINATOR_REF_BYTES);
ma_dr_wav_buffer_reader_read(&reader, pMetadata->data.bext.pOriginationDate, sizeof(pMetadata->data.bext.pOriginationDate), NULL);
ma_dr_wav_buffer_reader_read(&reader, pMetadata->data.bext.pOriginationTime, sizeof(pMetadata->data.bext.pOriginationTime), NULL);
ma_dr_wav_buffer_reader_read_u32(&reader, &timeReferenceLow);
ma_dr_wav_buffer_reader_read_u32(&reader, &timeReferenceHigh);
pMetadata->data.bext.timeReference = ((ma_uint64)timeReferenceHigh << 32) + timeReferenceLow;
ma_dr_wav_buffer_reader_read_u16(&reader, &pMetadata->data.bext.version);
pMetadata->data.bext.pUMID = ma_dr_wav__metadata_get_memory(pParser, MA_DR_WAV_BEXT_UMID_BYTES, 1);
ma_dr_wav_buffer_reader_read(&reader, pMetadata->data.bext.pUMID, MA_DR_WAV_BEXT_UMID_BYTES, NULL);
ma_dr_wav_buffer_reader_read_u16(&reader, &pMetadata->data.bext.loudnessValue);
ma_dr_wav_buffer_reader_read_u16(&reader, &pMetadata->data.bext.loudnessRange);
ma_dr_wav_buffer_reader_read_u16(&reader, &pMetadata->data.bext.maxTruePeakLevel);
ma_dr_wav_buffer_reader_read_u16(&reader, &pMetadata->data.bext.maxMomentaryLoudness);
ma_dr_wav_buffer_reader_read_u16(&reader, &pMetadata->data.bext.maxShortTermLoudness);
MA_DR_WAV_ASSERT((ma_dr_wav_offset_ptr(ma_dr_wav_buffer_reader_ptr(&reader), MA_DR_WAV_BEXT_RESERVED_BYTES)) == (bextData + MA_DR_WAV_BEXT_BYTES));
extraBytes = (size_t)(chunkSize - MA_DR_WAV_BEXT_BYTES);
if (extraBytes > 0) {
pMetadata->data.bext.pCodingHistory = (char*)ma_dr_wav__metadata_get_memory(pParser, extraBytes + 1, 1);
MA_DR_WAV_ASSERT(pMetadata->data.bext.pCodingHistory != NULL);
bytesRead += ma_dr_wav__metadata_parser_read(pParser, pMetadata->data.bext.pCodingHistory, extraBytes, NULL);
pMetadata->data.bext.codingHistorySize = (ma_uint32)ma_dr_wav__strlen(pMetadata->data.bext.pCodingHistory);
} else {
pMetadata->data.bext.pCodingHistory = NULL;
pMetadata->data.bext.codingHistorySize = 0;
}
}
}
return bytesRead;
}
MA_PRIVATE ma_uint64 ma_dr_wav__read_list_label_or_note_to_metadata_obj(ma_dr_wav__metadata_parser* pParser, ma_dr_wav_metadata* pMetadata, ma_uint64 chunkSize, ma_dr_wav_metadata_type type)
{
ma_uint8 cueIDBuffer[MA_DR_WAV_LIST_LABEL_OR_NOTE_BYTES];
ma_uint64 totalBytesRead = 0;
size_t bytesJustRead = ma_dr_wav__metadata_parser_read(pParser, cueIDBuffer, sizeof(cueIDBuffer), &totalBytesRead);
MA_DR_WAV_ASSERT(pParser->stage == ma_dr_wav__metadata_parser_stage_read);
if (bytesJustRead == sizeof(cueIDBuffer)) {
ma_uint32 sizeIncludingNullTerminator;
pMetadata->type = type;
pMetadata->data.labelOrNote.cuePointId = ma_dr_wav_bytes_to_u32(cueIDBuffer);
sizeIncludingNullTerminator = (ma_uint32)chunkSize - MA_DR_WAV_LIST_LABEL_OR_NOTE_BYTES;
if (sizeIncludingNullTerminator > 0) {
pMetadata->data.labelOrNote.stringLength = sizeIncludingNullTerminator - 1;
pMetadata->data.labelOrNote.pString = (char*)ma_dr_wav__metadata_get_memory(pParser, sizeIncludingNullTerminator, 1);
MA_DR_WAV_ASSERT(pMetadata->data.labelOrNote.pString != NULL);
ma_dr_wav__metadata_parser_read(pParser, pMetadata->data.labelOrNote.pString, sizeIncludingNullTerminator, &totalBytesRead);
} else {
pMetadata->data.labelOrNote.stringLength = 0;
pMetadata->data.labelOrNote.pString = NULL;
}
}
return totalBytesRead;
}
MA_PRIVATE ma_uint64 ma_dr_wav__read_list_labelled_cue_region_to_metadata_obj(ma_dr_wav__metadata_parser* pParser, ma_dr_wav_metadata* pMetadata, ma_uint64 chunkSize)
{
ma_uint8 buffer[MA_DR_WAV_LIST_LABELLED_TEXT_BYTES];
ma_uint64 totalBytesRead = 0;
size_t bytesJustRead = ma_dr_wav__metadata_parser_read(pParser, buffer, sizeof(buffer), &totalBytesRead);
MA_DR_WAV_ASSERT(pParser->stage == ma_dr_wav__metadata_parser_stage_read);
if (bytesJustRead == sizeof(buffer)) {
ma_uint32 sizeIncludingNullTerminator;
pMetadata->type = ma_dr_wav_metadata_type_list_labelled_cue_region;
pMetadata->data.labelledCueRegion.cuePointId = ma_dr_wav_bytes_to_u32(buffer + 0);
pMetadata->data.labelledCueRegion.sampleLength = ma_dr_wav_bytes_to_u32(buffer + 4);
pMetadata->data.labelledCueRegion.purposeId[0] = buffer[8];
pMetadata->data.labelledCueRegion.purposeId[1] = buffer[9];
pMetadata->data.labelledCueRegion.purposeId[2] = buffer[10];
pMetadata->data.labelledCueRegion.purposeId[3] = buffer[11];
pMetadata->data.labelledCueRegion.country = ma_dr_wav_bytes_to_u16(buffer + 12);
pMetadata->data.labelledCueRegion.language = ma_dr_wav_bytes_to_u16(buffer + 14);
pMetadata->data.labelledCueRegion.dialect = ma_dr_wav_bytes_to_u16(buffer + 16);
pMetadata->data.labelledCueRegion.codePage = ma_dr_wav_bytes_to_u16(buffer + 18);
sizeIncludingNullTerminator = (ma_uint32)chunkSize - MA_DR_WAV_LIST_LABELLED_TEXT_BYTES;
if (sizeIncludingNullTerminator > 0) {
pMetadata->data.labelledCueRegion.stringLength = sizeIncludingNullTerminator - 1;
pMetadata->data.labelledCueRegion.pString = (char*)ma_dr_wav__metadata_get_memory(pParser, sizeIncludingNullTerminator, 1);
MA_DR_WAV_ASSERT(pMetadata->data.labelledCueRegion.pString != NULL);
ma_dr_wav__metadata_parser_read(pParser, pMetadata->data.labelledCueRegion.pString, sizeIncludingNullTerminator, &totalBytesRead);
} else {
pMetadata->data.labelledCueRegion.stringLength = 0;
pMetadata->data.labelledCueRegion.pString = NULL;
}
}
return totalBytesRead;
}
MA_PRIVATE ma_uint64 ma_dr_wav__metadata_process_info_text_chunk(ma_dr_wav__metadata_parser* pParser, ma_uint64 chunkSize, ma_dr_wav_metadata_type type)
{
ma_uint64 bytesRead = 0;
ma_uint32 stringSizeWithNullTerminator = (ma_uint32)chunkSize;
if (pParser->stage == ma_dr_wav__metadata_parser_stage_count) {
pParser->metadataCount += 1;
ma_dr_wav__metadata_request_extra_memory_for_stage_2(pParser, stringSizeWithNullTerminator, 1);
} else {
ma_dr_wav_metadata* pMetadata = &pParser->pMetadata[pParser->metadataCursor];
pMetadata->type = type;
if (stringSizeWithNullTerminator > 0) {
pMetadata->data.infoText.stringLength = stringSizeWithNullTerminator - 1;
pMetadata->data.infoText.pString = (char*)ma_dr_wav__metadata_get_memory(pParser, stringSizeWithNullTerminator, 1);
MA_DR_WAV_ASSERT(pMetadata->data.infoText.pString != NULL);
bytesRead = ma_dr_wav__metadata_parser_read(pParser, pMetadata->data.infoText.pString, (size_t)stringSizeWithNullTerminator, NULL);
if (bytesRead == chunkSize) {
pParser->metadataCursor += 1;
} else {
}
} else {
pMetadata->data.infoText.stringLength = 0;
pMetadata->data.infoText.pString = NULL;
pParser->metadataCursor += 1;
}
}
return bytesRead;
}
MA_PRIVATE ma_uint64 ma_dr_wav__metadata_process_unknown_chunk(ma_dr_wav__metadata_parser* pParser, const ma_uint8* pChunkId, ma_uint64 chunkSize, ma_dr_wav_metadata_location location)
{
ma_uint64 bytesRead = 0;
if (location == ma_dr_wav_metadata_location_invalid) {
return 0;
}
if (ma_dr_wav_fourcc_equal(pChunkId, "data") || ma_dr_wav_fourcc_equal(pChunkId, "fmt ") || ma_dr_wav_fourcc_equal(pChunkId, "fact")) {
return 0;
}
if (pParser->stage == ma_dr_wav__metadata_parser_stage_count) {
pParser->metadataCount += 1;
ma_dr_wav__metadata_request_extra_memory_for_stage_2(pParser, (size_t)chunkSize, 1);
} else {
ma_dr_wav_metadata* pMetadata = &pParser->pMetadata[pParser->metadataCursor];
pMetadata->type = ma_dr_wav_metadata_type_unknown;
pMetadata->data.unknown.chunkLocation = location;
pMetadata->data.unknown.id[0] = pChunkId[0];
pMetadata->data.unknown.id[1] = pChunkId[1];
pMetadata->data.unknown.id[2] = pChunkId[2];
pMetadata->data.unknown.id[3] = pChunkId[3];
pMetadata->data.unknown.dataSizeInBytes = (ma_uint32)chunkSize;
pMetadata->data.unknown.pData = (ma_uint8 *)ma_dr_wav__metadata_get_memory(pParser, (size_t)chunkSize, 1);
MA_DR_WAV_ASSERT(pMetadata->data.unknown.pData != NULL);
bytesRead = ma_dr_wav__metadata_parser_read(pParser, pMetadata->data.unknown.pData, pMetadata->data.unknown.dataSizeInBytes, NULL);
if (bytesRead == pMetadata->data.unknown.dataSizeInBytes) {
pParser->metadataCursor += 1;
} else {
}
}
return bytesRead;
}
MA_PRIVATE ma_bool32 ma_dr_wav__chunk_matches(ma_dr_wav_metadata_type allowedMetadataTypes, const ma_uint8* pChunkID, ma_dr_wav_metadata_type type, const char* pID)
{
return (allowedMetadataTypes & type) && ma_dr_wav_fourcc_equal(pChunkID, pID);
}
MA_PRIVATE ma_uint64 ma_dr_wav__metadata_process_chunk(ma_dr_wav__metadata_parser* pParser, const ma_dr_wav_chunk_header* pChunkHeader, ma_dr_wav_metadata_type allowedMetadataTypes)
{
const ma_uint8 *pChunkID = pChunkHeader->id.fourcc;
ma_uint64 bytesRead = 0;
if (ma_dr_wav__chunk_matches(allowedMetadataTypes, pChunkID, ma_dr_wav_metadata_type_smpl, "smpl")) {
if (pChunkHeader->sizeInBytes >= MA_DR_WAV_SMPL_BYTES) {
if (pParser->stage == ma_dr_wav__metadata_parser_stage_count) {
ma_uint8 buffer[4];
size_t bytesJustRead;
if (!pParser->onSeek(pParser->pReadSeekUserData, 28, MA_DR_WAV_SEEK_CUR)) {
return bytesRead;
}
bytesRead += 28;
bytesJustRead = ma_dr_wav__metadata_parser_read(pParser, buffer, sizeof(buffer), &bytesRead);
if (bytesJustRead == sizeof(buffer)) {
ma_uint32 loopCount = ma_dr_wav_bytes_to_u32(buffer);
ma_uint64 calculatedLoopCount;
calculatedLoopCount = (pChunkHeader->sizeInBytes - MA_DR_WAV_SMPL_BYTES) / MA_DR_WAV_SMPL_LOOP_BYTES;
if (calculatedLoopCount == loopCount) {
bytesJustRead = ma_dr_wav__metadata_parser_read(pParser, buffer, sizeof(buffer), &bytesRead);
if (bytesJustRead == sizeof(buffer)) {
ma_uint32 samplerSpecificDataSizeInBytes = ma_dr_wav_bytes_to_u32(buffer);
pParser->metadataCount += 1;
ma_dr_wav__metadata_request_extra_memory_for_stage_2(pParser, sizeof(ma_dr_wav_smpl_loop) * loopCount, MA_DR_WAV_METADATA_ALIGNMENT);
ma_dr_wav__metadata_request_extra_memory_for_stage_2(pParser, samplerSpecificDataSizeInBytes, 1);
}
} else {
}
}
} else {
bytesRead = ma_dr_wav__read_smpl_to_metadata_obj(pParser, pChunkHeader, &pParser->pMetadata[pParser->metadataCursor]);
if (bytesRead == pChunkHeader->sizeInBytes) {
pParser->metadataCursor += 1;
} else {
}
}
} else {
}
} else if (ma_dr_wav__chunk_matches(allowedMetadataTypes, pChunkID, ma_dr_wav_metadata_type_inst, "inst")) {
if (pChunkHeader->sizeInBytes == MA_DR_WAV_INST_BYTES) {
if (pParser->stage == ma_dr_wav__metadata_parser_stage_count) {
pParser->metadataCount += 1;
} else {
bytesRead = ma_dr_wav__read_inst_to_metadata_obj(pParser, &pParser->pMetadata[pParser->metadataCursor]);
if (bytesRead == pChunkHeader->sizeInBytes) {
pParser->metadataCursor += 1;
} else {
}
}
} else {
}
} else if (ma_dr_wav__chunk_matches(allowedMetadataTypes, pChunkID, ma_dr_wav_metadata_type_acid, "acid")) {
if (pChunkHeader->sizeInBytes == MA_DR_WAV_ACID_BYTES) {
if (pParser->stage == ma_dr_wav__metadata_parser_stage_count) {
pParser->metadataCount += 1;
} else {
bytesRead = ma_dr_wav__read_acid_to_metadata_obj(pParser, &pParser->pMetadata[pParser->metadataCursor]);
if (bytesRead == pChunkHeader->sizeInBytes) {
pParser->metadataCursor += 1;
} else {
}
}
} else {
}
} else if (ma_dr_wav__chunk_matches(allowedMetadataTypes, pChunkID, ma_dr_wav_metadata_type_cue, "cue ")) {
if (pChunkHeader->sizeInBytes >= MA_DR_WAV_CUE_BYTES) {
if (pParser->stage == ma_dr_wav__metadata_parser_stage_count) {
size_t cueCount;
pParser->metadataCount += 1;
cueCount = (size_t)(pChunkHeader->sizeInBytes - MA_DR_WAV_CUE_BYTES) / MA_DR_WAV_CUE_POINT_BYTES;
ma_dr_wav__metadata_request_extra_memory_for_stage_2(pParser, sizeof(ma_dr_wav_cue_point) * cueCount, MA_DR_WAV_METADATA_ALIGNMENT);
} else {
bytesRead = ma_dr_wav__read_cue_to_metadata_obj(pParser, pChunkHeader, &pParser->pMetadata[pParser->metadataCursor]);
if (bytesRead == pChunkHeader->sizeInBytes) {
pParser->metadataCursor += 1;
} else {
}
}
} else {
}
} else if (ma_dr_wav__chunk_matches(allowedMetadataTypes, pChunkID, ma_dr_wav_metadata_type_bext, "bext")) {
if (pChunkHeader->sizeInBytes >= MA_DR_WAV_BEXT_BYTES) {
if (pParser->stage == ma_dr_wav__metadata_parser_stage_count) {
char buffer[MA_DR_WAV_BEXT_DESCRIPTION_BYTES + 1];
size_t allocSizeNeeded = MA_DR_WAV_BEXT_UMID_BYTES;
size_t bytesJustRead;
buffer[MA_DR_WAV_BEXT_DESCRIPTION_BYTES] = '\0';
bytesJustRead = ma_dr_wav__metadata_parser_read(pParser, buffer, MA_DR_WAV_BEXT_DESCRIPTION_BYTES, &bytesRead);
if (bytesJustRead != MA_DR_WAV_BEXT_DESCRIPTION_BYTES) {
return bytesRead;
}
allocSizeNeeded += ma_dr_wav__strlen(buffer) + 1;
buffer[MA_DR_WAV_BEXT_ORIGINATOR_NAME_BYTES] = '\0';
bytesJustRead = ma_dr_wav__metadata_parser_read(pParser, buffer, MA_DR_WAV_BEXT_ORIGINATOR_NAME_BYTES, &bytesRead);
if (bytesJustRead != MA_DR_WAV_BEXT_ORIGINATOR_NAME_BYTES) {
return bytesRead;
}
allocSizeNeeded += ma_dr_wav__strlen(buffer) + 1;
buffer[MA_DR_WAV_BEXT_ORIGINATOR_REF_BYTES] = '\0';
bytesJustRead = ma_dr_wav__metadata_parser_read(pParser, buffer, MA_DR_WAV_BEXT_ORIGINATOR_REF_BYTES, &bytesRead);
if (bytesJustRead != MA_DR_WAV_BEXT_ORIGINATOR_REF_BYTES) {
return bytesRead;
}
allocSizeNeeded += ma_dr_wav__strlen(buffer) + 1;
allocSizeNeeded += (size_t)pChunkHeader->sizeInBytes - MA_DR_WAV_BEXT_BYTES + 1;
ma_dr_wav__metadata_request_extra_memory_for_stage_2(pParser, allocSizeNeeded, 1);
pParser->metadataCount += 1;
} else {
bytesRead = ma_dr_wav__read_bext_to_metadata_obj(pParser, &pParser->pMetadata[pParser->metadataCursor], pChunkHeader->sizeInBytes);
if (bytesRead == pChunkHeader->sizeInBytes) {
pParser->metadataCursor += 1;
} else {
}
}
} else {
}
} else if (ma_dr_wav_fourcc_equal(pChunkID, "LIST") || ma_dr_wav_fourcc_equal(pChunkID, "list")) {
ma_dr_wav_metadata_location listType = ma_dr_wav_metadata_location_invalid;
while (bytesRead < pChunkHeader->sizeInBytes) {
ma_uint8 subchunkId[4];
ma_uint8 subchunkSizeBuffer[4];
ma_uint64 subchunkDataSize;
ma_uint64 subchunkBytesRead = 0;
ma_uint64 bytesJustRead = ma_dr_wav__metadata_parser_read(pParser, subchunkId, sizeof(subchunkId), &bytesRead);
if (bytesJustRead != sizeof(subchunkId)) {
break;
}
if (ma_dr_wav_fourcc_equal(subchunkId, "adtl")) {
listType = ma_dr_wav_metadata_location_inside_adtl_list;
continue;
} else if (ma_dr_wav_fourcc_equal(subchunkId, "INFO")) {
listType = ma_dr_wav_metadata_location_inside_info_list;
continue;
}
bytesJustRead = ma_dr_wav__metadata_parser_read(pParser, subchunkSizeBuffer, sizeof(subchunkSizeBuffer), &bytesRead);
if (bytesJustRead != sizeof(subchunkSizeBuffer)) {
break;
}
subchunkDataSize = ma_dr_wav_bytes_to_u32(subchunkSizeBuffer);
if (ma_dr_wav__chunk_matches(allowedMetadataTypes, subchunkId, ma_dr_wav_metadata_type_list_label, "labl") || ma_dr_wav__chunk_matches(allowedMetadataTypes, subchunkId, ma_dr_wav_metadata_type_list_note, "note")) {
if (subchunkDataSize >= MA_DR_WAV_LIST_LABEL_OR_NOTE_BYTES) {
ma_uint64 stringSizeWithNullTerm = subchunkDataSize - MA_DR_WAV_LIST_LABEL_OR_NOTE_BYTES;
if (pParser->stage == ma_dr_wav__metadata_parser_stage_count) {
pParser->metadataCount += 1;
ma_dr_wav__metadata_request_extra_memory_for_stage_2(pParser, (size_t)stringSizeWithNullTerm, 1);
} else {
subchunkBytesRead = ma_dr_wav__read_list_label_or_note_to_metadata_obj(pParser, &pParser->pMetadata[pParser->metadataCursor], subchunkDataSize, ma_dr_wav_fourcc_equal(subchunkId, "labl") ? ma_dr_wav_metadata_type_list_label : ma_dr_wav_metadata_type_list_note);
if (subchunkBytesRead == subchunkDataSize) {
pParser->metadataCursor += 1;
} else {
}
}
} else {
}
} else if (ma_dr_wav__chunk_matches(allowedMetadataTypes, subchunkId, ma_dr_wav_metadata_type_list_labelled_cue_region, "ltxt")) {
if (subchunkDataSize >= MA_DR_WAV_LIST_LABELLED_TEXT_BYTES) {
ma_uint64 stringSizeWithNullTerminator = subchunkDataSize - MA_DR_WAV_LIST_LABELLED_TEXT_BYTES;
if (pParser->stage == ma_dr_wav__metadata_parser_stage_count) {
pParser->metadataCount += 1;
ma_dr_wav__metadata_request_extra_memory_for_stage_2(pParser, (size_t)stringSizeWithNullTerminator, 1);
} else {
subchunkBytesRead = ma_dr_wav__read_list_labelled_cue_region_to_metadata_obj(pParser, &pParser->pMetadata[pParser->metadataCursor], subchunkDataSize);
if (subchunkBytesRead == subchunkDataSize) {
pParser->metadataCursor += 1;
} else {
}
}
} else {
}
} else if (ma_dr_wav__chunk_matches(allowedMetadataTypes, subchunkId, ma_dr_wav_metadata_type_list_info_software, "ISFT")) {
subchunkBytesRead = ma_dr_wav__metadata_process_info_text_chunk(pParser, subchunkDataSize, ma_dr_wav_metadata_type_list_info_software);
} else if (ma_dr_wav__chunk_matches(allowedMetadataTypes, subchunkId, ma_dr_wav_metadata_type_list_info_copyright, "ICOP")) {
subchunkBytesRead = ma_dr_wav__metadata_process_info_text_chunk(pParser, subchunkDataSize, ma_dr_wav_metadata_type_list_info_copyright);
} else if (ma_dr_wav__chunk_matches(allowedMetadataTypes, subchunkId, ma_dr_wav_metadata_type_list_info_title, "INAM")) {
subchunkBytesRead = ma_dr_wav__metadata_process_info_text_chunk(pParser, subchunkDataSize, ma_dr_wav_metadata_type_list_info_title);
} else if (ma_dr_wav__chunk_matches(allowedMetadataTypes, subchunkId, ma_dr_wav_metadata_type_list_info_artist, "IART")) {
subchunkBytesRead = ma_dr_wav__metadata_process_info_text_chunk(pParser, subchunkDataSize, ma_dr_wav_metadata_type_list_info_artist);
} else if (ma_dr_wav__chunk_matches(allowedMetadataTypes, subchunkId, ma_dr_wav_metadata_type_list_info_comment, "ICMT")) {
subchunkBytesRead = ma_dr_wav__metadata_process_info_text_chunk(pParser, subchunkDataSize, ma_dr_wav_metadata_type_list_info_comment);
} else if (ma_dr_wav__chunk_matches(allowedMetadataTypes, subchunkId, ma_dr_wav_metadata_type_list_info_date, "ICRD")) {
subchunkBytesRead = ma_dr_wav__metadata_process_info_text_chunk(pParser, subchunkDataSize, ma_dr_wav_metadata_type_list_info_date);
} else if (ma_dr_wav__chunk_matches(allowedMetadataTypes, subchunkId, ma_dr_wav_metadata_type_list_info_genre, "IGNR")) {
subchunkBytesRead = ma_dr_wav__metadata_process_info_text_chunk(pParser, subchunkDataSize, ma_dr_wav_metadata_type_list_info_genre);
} else if (ma_dr_wav__chunk_matches(allowedMetadataTypes, subchunkId, ma_dr_wav_metadata_type_list_info_album, "IPRD")) {
subchunkBytesRead = ma_dr_wav__metadata_process_info_text_chunk(pParser, subchunkDataSize, ma_dr_wav_metadata_type_list_info_album);
} else if (ma_dr_wav__chunk_matches(allowedMetadataTypes, subchunkId, ma_dr_wav_metadata_type_list_info_tracknumber, "ITRK")) {
subchunkBytesRead = ma_dr_wav__metadata_process_info_text_chunk(pParser, subchunkDataSize, ma_dr_wav_metadata_type_list_info_tracknumber);
} else if (ma_dr_wav__chunk_matches(allowedMetadataTypes, subchunkId, ma_dr_wav_metadata_type_list_info_location, "IARL")) {
subchunkBytesRead = ma_dr_wav__metadata_process_info_text_chunk(pParser, subchunkDataSize, ma_dr_wav_metadata_type_list_info_location);
} else if (ma_dr_wav__chunk_matches(allowedMetadataTypes, subchunkId, ma_dr_wav_metadata_type_list_info_organization, "ICMS")) {
subchunkBytesRead = ma_dr_wav__metadata_process_info_text_chunk(pParser, subchunkDataSize, ma_dr_wav_metadata_type_list_info_organization);
} else if (ma_dr_wav__chunk_matches(allowedMetadataTypes, subchunkId, ma_dr_wav_metadata_type_list_info_keywords, "IKEY")) {
subchunkBytesRead = ma_dr_wav__metadata_process_info_text_chunk(pParser, subchunkDataSize, ma_dr_wav_metadata_type_list_info_keywords);
} else if (ma_dr_wav__chunk_matches(allowedMetadataTypes, subchunkId, ma_dr_wav_metadata_type_list_info_medium, "IMED")) {
subchunkBytesRead = ma_dr_wav__metadata_process_info_text_chunk(pParser, subchunkDataSize, ma_dr_wav_metadata_type_list_info_medium);
} else if (ma_dr_wav__chunk_matches(allowedMetadataTypes, subchunkId, ma_dr_wav_metadata_type_list_info_description, "ISBJ")) {
subchunkBytesRead = ma_dr_wav__metadata_process_info_text_chunk(pParser, subchunkDataSize, ma_dr_wav_metadata_type_list_info_description);
} else if ((allowedMetadataTypes & ma_dr_wav_metadata_type_unknown) != 0) {
subchunkBytesRead = ma_dr_wav__metadata_process_unknown_chunk(pParser, subchunkId, subchunkDataSize, listType);
}
bytesRead += subchunkBytesRead;
MA_DR_WAV_ASSERT(subchunkBytesRead <= subchunkDataSize);
if (subchunkBytesRead < subchunkDataSize) {
ma_uint64 bytesToSeek = subchunkDataSize - subchunkBytesRead;
if (!pParser->onSeek(pParser->pReadSeekUserData, (int)bytesToSeek, MA_DR_WAV_SEEK_CUR)) {
break;
}
bytesRead += bytesToSeek;
}
if ((subchunkDataSize % 2) == 1) {
if (!pParser->onSeek(pParser->pReadSeekUserData, 1, MA_DR_WAV_SEEK_CUR)) {
break;
}
bytesRead += 1;
}
}
} else if ((allowedMetadataTypes & ma_dr_wav_metadata_type_unknown) != 0) {
bytesRead = ma_dr_wav__metadata_process_unknown_chunk(pParser, pChunkID, pChunkHeader->sizeInBytes, ma_dr_wav_metadata_location_top_level);
}
return bytesRead;
}
MA_PRIVATE ma_uint32 ma_dr_wav_get_bytes_per_pcm_frame(ma_dr_wav* pWav)
{
ma_uint32 bytesPerFrame;
if ((pWav->bitsPerSample & 0x7) == 0) {
bytesPerFrame = (pWav->bitsPerSample * pWav->fmt.channels) >> 3;
} else {
bytesPerFrame = pWav->fmt.blockAlign;
}
if (pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_ALAW || pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_MULAW) {
if (bytesPerFrame != pWav->fmt.channels) {
return 0;
}
}
return bytesPerFrame;
}
MA_API ma_uint16 ma_dr_wav_fmt_get_format(const ma_dr_wav_fmt* pFMT)
{
if (pFMT == NULL) {
return 0;
}
if (pFMT->formatTag != MA_DR_WAVE_FORMAT_EXTENSIBLE) {
return pFMT->formatTag;
} else {
return ma_dr_wav_bytes_to_u16(pFMT->subFormat);
}
}
MA_PRIVATE ma_bool32 ma_dr_wav_preinit(ma_dr_wav* pWav, ma_dr_wav_read_proc onRead, ma_dr_wav_seek_proc onSeek, ma_dr_wav_tell_proc onTell, void* pReadSeekTellUserData, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pWav == NULL || onRead == NULL || onSeek == NULL) {
return MA_FALSE;
}
MA_DR_WAV_ZERO_MEMORY(pWav, sizeof(*pWav));
pWav->onRead = onRead;
pWav->onSeek = onSeek;
pWav->onTell = onTell;
pWav->pUserData = pReadSeekTellUserData;
pWav->allocationCallbacks = ma_dr_wav_copy_allocation_callbacks_or_defaults(pAllocationCallbacks);
if (pWav->allocationCallbacks.onFree == NULL || (pWav->allocationCallbacks.onMalloc == NULL && pWav->allocationCallbacks.onRealloc == NULL)) {
return MA_FALSE;
}
return MA_TRUE;
}
MA_PRIVATE ma_bool32 ma_dr_wav_init__internal(ma_dr_wav* pWav, ma_dr_wav_chunk_proc onChunk, void* pChunkUserData, ma_uint32 flags)
{
ma_result result;
ma_uint64 cursor;
ma_bool32 sequential;
ma_uint8 riff[4];
ma_dr_wav_fmt fmt;
unsigned short translatedFormatTag;
ma_uint64 dataChunkSize = 0;
ma_uint64 sampleCountFromFactChunk = 0;
ma_uint64 metadataStartPos;
ma_dr_wav__metadata_parser metadataParser;
ma_bool8 isProcessingMetadata = MA_FALSE;
ma_bool8 foundChunk_fmt = MA_FALSE;
ma_bool8 foundChunk_data = MA_FALSE;
ma_bool8 isAIFCFormType = MA_FALSE;
ma_uint64 aiffFrameCount = 0;
cursor = 0;
sequential = (flags & MA_DR_WAV_SEQUENTIAL) != 0;
MA_DR_WAV_ZERO_OBJECT(&fmt);
if (ma_dr_wav__on_read(pWav->onRead, pWav->pUserData, riff, sizeof(riff), &cursor) != sizeof(riff)) {
return MA_FALSE;
}
if (ma_dr_wav_fourcc_equal(riff, "RIFF")) {
pWav->container = ma_dr_wav_container_riff;
} else if (ma_dr_wav_fourcc_equal(riff, "RIFX")) {
pWav->container = ma_dr_wav_container_rifx;
} else if (ma_dr_wav_fourcc_equal(riff, "riff")) {
int i;
ma_uint8 riff2[12];
pWav->container = ma_dr_wav_container_w64;
if (ma_dr_wav__on_read(pWav->onRead, pWav->pUserData, riff2, sizeof(riff2), &cursor) != sizeof(riff2)) {
return MA_FALSE;
}
for (i = 0; i < 12; ++i) {
if (riff2[i] != ma_dr_wavGUID_W64_RIFF[i+4]) {
return MA_FALSE;
}
}
} else if (ma_dr_wav_fourcc_equal(riff, "RF64")) {
pWav->container = ma_dr_wav_container_rf64;
} else if (ma_dr_wav_fourcc_equal(riff, "FORM")) {
pWav->container = ma_dr_wav_container_aiff;
} else {
return MA_FALSE;
}
if (pWav->container == ma_dr_wav_container_riff || pWav->container == ma_dr_wav_container_rifx || pWav->container == ma_dr_wav_container_rf64) {
ma_uint8 chunkSizeBytes[4];
ma_uint8 wave[4];
if (ma_dr_wav__on_read(pWav->onRead, pWav->pUserData, chunkSizeBytes, sizeof(chunkSizeBytes), &cursor) != sizeof(chunkSizeBytes)) {
return MA_FALSE;
}
if (pWav->container == ma_dr_wav_container_riff || pWav->container == ma_dr_wav_container_rifx) {
if (ma_dr_wav_bytes_to_u32_ex(chunkSizeBytes, pWav->container) < 36) {
}
} else if (pWav->container == ma_dr_wav_container_rf64) {
if (ma_dr_wav_bytes_to_u32_le(chunkSizeBytes) != 0xFFFFFFFF) {
return MA_FALSE;
}
} else {
return MA_FALSE;
}
if (ma_dr_wav__on_read(pWav->onRead, pWav->pUserData, wave, sizeof(wave), &cursor) != sizeof(wave)) {
return MA_FALSE;
}
if (!ma_dr_wav_fourcc_equal(wave, "WAVE")) {
return MA_FALSE;
}
} else if (pWav->container == ma_dr_wav_container_w64) {
ma_uint8 chunkSizeBytes[8];
ma_uint8 wave[16];
if (ma_dr_wav__on_read(pWav->onRead, pWav->pUserData, chunkSizeBytes, sizeof(chunkSizeBytes), &cursor) != sizeof(chunkSizeBytes)) {
return MA_FALSE;
}
if (ma_dr_wav_bytes_to_u64(chunkSizeBytes) < 80) {
return MA_FALSE;
}
if (ma_dr_wav__on_read(pWav->onRead, pWav->pUserData, wave, sizeof(wave), &cursor) != sizeof(wave)) {
return MA_FALSE;
}
if (!ma_dr_wav_guid_equal(wave, ma_dr_wavGUID_W64_WAVE)) {
return MA_FALSE;
}
} else if (pWav->container == ma_dr_wav_container_aiff) {
ma_uint8 chunkSizeBytes[4];
ma_uint8 aiff[4];
if (ma_dr_wav__on_read(pWav->onRead, pWav->pUserData, chunkSizeBytes, sizeof(chunkSizeBytes), &cursor) != sizeof(chunkSizeBytes)) {
return MA_FALSE;
}
if (ma_dr_wav_bytes_to_u32_be(chunkSizeBytes) < 18) {
return MA_FALSE;
}
if (ma_dr_wav__on_read(pWav->onRead, pWav->pUserData, aiff, sizeof(aiff), &cursor) != sizeof(aiff)) {
return MA_FALSE;
}
if (ma_dr_wav_fourcc_equal(aiff, "AIFF")) {
isAIFCFormType = MA_FALSE;
} else if (ma_dr_wav_fourcc_equal(aiff, "AIFC")) {
isAIFCFormType = MA_TRUE;
} else {
return MA_FALSE;
}
} else {
return MA_FALSE;
}
if (pWav->container == ma_dr_wav_container_rf64) {
ma_uint8 sizeBytes[8];
ma_uint64 bytesRemainingInChunk;
ma_dr_wav_chunk_header header;
result = ma_dr_wav__read_chunk_header(pWav->onRead, pWav->pUserData, pWav->container, &cursor, &header);
if (result != MA_SUCCESS) {
return MA_FALSE;
}
if (!ma_dr_wav_fourcc_equal(header.id.fourcc, "ds64")) {
return MA_FALSE;
}
bytesRemainingInChunk = header.sizeInBytes + header.paddingSize;
if (!ma_dr_wav__seek_forward(pWav->onSeek, 8, pWav->pUserData)) {
return MA_FALSE;
}
bytesRemainingInChunk -= 8;
cursor += 8;
if (ma_dr_wav__on_read(pWav->onRead, pWav->pUserData, sizeBytes, sizeof(sizeBytes), &cursor) != sizeof(sizeBytes)) {
return MA_FALSE;
}
bytesRemainingInChunk -= 8;
dataChunkSize = ma_dr_wav_bytes_to_u64(sizeBytes);
if (ma_dr_wav__on_read(pWav->onRead, pWav->pUserData, sizeBytes, sizeof(sizeBytes), &cursor) != sizeof(sizeBytes)) {
return MA_FALSE;
}
bytesRemainingInChunk -= 8;
sampleCountFromFactChunk = ma_dr_wav_bytes_to_u64(sizeBytes);
if (!ma_dr_wav__seek_forward(pWav->onSeek, bytesRemainingInChunk, pWav->pUserData)) {
return MA_FALSE;
}
cursor += bytesRemainingInChunk;
}
metadataStartPos = cursor;
isProcessingMetadata = !sequential && ((flags & MA_DR_WAV_WITH_METADATA) != 0);
if (pWav->container != ma_dr_wav_container_riff && pWav->container != ma_dr_wav_container_rf64) {
isProcessingMetadata = MA_FALSE;
}
MA_DR_WAV_ZERO_MEMORY(&metadataParser, sizeof(metadataParser));
if (isProcessingMetadata) {
metadataParser.onRead = pWav->onRead;
metadataParser.onSeek = pWav->onSeek;
metadataParser.pReadSeekUserData = pWav->pUserData;
metadataParser.stage = ma_dr_wav__metadata_parser_stage_count;
}
for (;;) {
ma_dr_wav_chunk_header header;
ma_uint64 chunkSize;
result = ma_dr_wav__read_chunk_header(pWav->onRead, pWav->pUserData, pWav->container, &cursor, &header);
if (result != MA_SUCCESS) {
break;
}
chunkSize = header.sizeInBytes;
if (!sequential && onChunk != NULL) {
ma_uint64 callbackBytesRead = onChunk(pChunkUserData, pWav->onRead, pWav->onSeek, pWav->pUserData, &header, pWav->container, &fmt);
if (callbackBytesRead > 0) {
if (ma_dr_wav__seek_from_start(pWav->onSeek, cursor, pWav->pUserData) == MA_FALSE) {
return MA_FALSE;
}
}
}
if (((pWav->container == ma_dr_wav_container_riff || pWav->container == ma_dr_wav_container_rifx || pWav->container == ma_dr_wav_container_rf64) && ma_dr_wav_fourcc_equal(header.id.fourcc, "fmt ")) ||
((pWav->container == ma_dr_wav_container_w64) && ma_dr_wav_guid_equal(header.id.guid, ma_dr_wavGUID_W64_FMT))) {
ma_uint8 fmtData[16];
foundChunk_fmt = MA_TRUE;
if (pWav->onRead(pWav->pUserData, fmtData, sizeof(fmtData)) != sizeof(fmtData)) {
return MA_FALSE;
}
cursor += sizeof(fmtData);
fmt.formatTag = ma_dr_wav_bytes_to_u16_ex(fmtData + 0, pWav->container);
fmt.channels = ma_dr_wav_bytes_to_u16_ex(fmtData + 2, pWav->container);
fmt.sampleRate = ma_dr_wav_bytes_to_u32_ex(fmtData + 4, pWav->container);
fmt.avgBytesPerSec = ma_dr_wav_bytes_to_u32_ex(fmtData + 8, pWav->container);
fmt.blockAlign = ma_dr_wav_bytes_to_u16_ex(fmtData + 12, pWav->container);
fmt.bitsPerSample = ma_dr_wav_bytes_to_u16_ex(fmtData + 14, pWav->container);
fmt.extendedSize = 0;
fmt.validBitsPerSample = 0;
fmt.channelMask = 0;
MA_DR_WAV_ZERO_MEMORY(fmt.subFormat, sizeof(fmt.subFormat));
if (header.sizeInBytes > 16) {
ma_uint8 fmt_cbSize[2];
int bytesReadSoFar = 0;
if (pWav->onRead(pWav->pUserData, fmt_cbSize, sizeof(fmt_cbSize)) != sizeof(fmt_cbSize)) {
return MA_FALSE;
}
cursor += sizeof(fmt_cbSize);
bytesReadSoFar = 18;
fmt.extendedSize = ma_dr_wav_bytes_to_u16_ex(fmt_cbSize, pWav->container);
if (fmt.extendedSize > 0) {
if (fmt.formatTag == MA_DR_WAVE_FORMAT_EXTENSIBLE) {
if (fmt.extendedSize != 22) {
return MA_FALSE;
}
}
if (fmt.formatTag == MA_DR_WAVE_FORMAT_EXTENSIBLE) {
ma_uint8 fmtext[22];
if (pWav->onRead(pWav->pUserData, fmtext, fmt.extendedSize) != fmt.extendedSize) {
return MA_FALSE;
}
fmt.validBitsPerSample = ma_dr_wav_bytes_to_u16_ex(fmtext + 0, pWav->container);
fmt.channelMask = ma_dr_wav_bytes_to_u32_ex(fmtext + 2, pWav->container);
ma_dr_wav_bytes_to_guid(fmtext + 6, fmt.subFormat);
} else {
if (pWav->onSeek(pWav->pUserData, fmt.extendedSize, MA_DR_WAV_SEEK_CUR) == MA_FALSE) {
return MA_FALSE;
}
}
cursor += fmt.extendedSize;
bytesReadSoFar += fmt.extendedSize;
}
if (pWav->onSeek(pWav->pUserData, (int)(header.sizeInBytes - bytesReadSoFar), MA_DR_WAV_SEEK_CUR) == MA_FALSE) {
return MA_FALSE;
}
cursor += (header.sizeInBytes - bytesReadSoFar);
}
if (header.paddingSize > 0) {
if (ma_dr_wav__seek_forward(pWav->onSeek, header.paddingSize, pWav->pUserData) == MA_FALSE) {
break;
}
cursor += header.paddingSize;
}
continue;
}
if (((pWav->container == ma_dr_wav_container_riff || pWav->container == ma_dr_wav_container_rifx || pWav->container == ma_dr_wav_container_rf64) && ma_dr_wav_fourcc_equal(header.id.fourcc, "data")) ||
((pWav->container == ma_dr_wav_container_w64) && ma_dr_wav_guid_equal(header.id.guid, ma_dr_wavGUID_W64_DATA))) {
foundChunk_data = MA_TRUE;
pWav->dataChunkDataPos = cursor;
if (pWav->container != ma_dr_wav_container_rf64) {
dataChunkSize = chunkSize;
}
if (sequential || !isProcessingMetadata) {
break;
} else {
chunkSize += header.paddingSize;
if (ma_dr_wav__seek_forward(pWav->onSeek, chunkSize, pWav->pUserData) == MA_FALSE) {
break;
}
cursor += chunkSize;
continue;
}
}
if (((pWav->container == ma_dr_wav_container_riff || pWav->container == ma_dr_wav_container_rifx || pWav->container == ma_dr_wav_container_rf64) && ma_dr_wav_fourcc_equal(header.id.fourcc, "fact")) ||
((pWav->container == ma_dr_wav_container_w64) && ma_dr_wav_guid_equal(header.id.guid, ma_dr_wavGUID_W64_FACT))) {
if (pWav->container == ma_dr_wav_container_riff || pWav->container == ma_dr_wav_container_rifx) {
ma_uint8 sampleCount[4];
if (ma_dr_wav__on_read(pWav->onRead, pWav->pUserData, &sampleCount, 4, &cursor) != 4) {
return MA_FALSE;
}
chunkSize -= 4;
if (pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_ADPCM) {
sampleCountFromFactChunk = ma_dr_wav_bytes_to_u32_ex(sampleCount, pWav->container);
} else {
sampleCountFromFactChunk = 0;
}
} else if (pWav->container == ma_dr_wav_container_w64) {
if (ma_dr_wav__on_read(pWav->onRead, pWav->pUserData, &sampleCountFromFactChunk, 8, &cursor) != 8) {
return MA_FALSE;
}
chunkSize -= 8;
} else if (pWav->container == ma_dr_wav_container_rf64) {
}
chunkSize += header.paddingSize;
if (ma_dr_wav__seek_forward(pWav->onSeek, chunkSize, pWav->pUserData) == MA_FALSE) {
break;
}
cursor += chunkSize;
continue;
}
if (pWav->container == ma_dr_wav_container_aiff && ma_dr_wav_fourcc_equal(header.id.fourcc, "COMM")) {
ma_uint8 commData[24];
ma_uint32 commDataBytesToRead;
ma_uint16 channels;
ma_uint32 frameCount;
ma_uint16 sampleSizeInBits;
ma_int64 sampleRate;
ma_uint16 compressionFormat;
foundChunk_fmt = MA_TRUE;
if (isAIFCFormType) {
commDataBytesToRead = 24;
if (header.sizeInBytes < commDataBytesToRead) {
return MA_FALSE;
}
} else {
commDataBytesToRead = 18;
if (header.sizeInBytes != commDataBytesToRead) {
return MA_FALSE;
}
}
if (ma_dr_wav__on_read(pWav->onRead, pWav->pUserData, commData, commDataBytesToRead, &cursor) != commDataBytesToRead) {
return MA_FALSE;
}
channels = ma_dr_wav_bytes_to_u16_ex (commData + 0, pWav->container);
frameCount = ma_dr_wav_bytes_to_u32_ex (commData + 2, pWav->container);
sampleSizeInBits = ma_dr_wav_bytes_to_u16_ex (commData + 6, pWav->container);
sampleRate = ma_dr_wav_aiff_extented_to_s64(commData + 8);
if (sampleRate < 0 || sampleRate > 0xFFFFFFFF) {
return MA_FALSE;
}
if (isAIFCFormType) {
const ma_uint8* type = commData + 18;
if (ma_dr_wav_fourcc_equal(type, "NONE")) {
compressionFormat = MA_DR_WAVE_FORMAT_PCM;
} else if (ma_dr_wav_fourcc_equal(type, "raw ")) {
compressionFormat = MA_DR_WAVE_FORMAT_PCM;
if (sampleSizeInBits == 8) {
pWav->aiff.isUnsigned = MA_TRUE;
}
} else if (ma_dr_wav_fourcc_equal(type, "sowt")) {
compressionFormat = MA_DR_WAVE_FORMAT_PCM;
pWav->aiff.isLE = MA_TRUE;
} else if (ma_dr_wav_fourcc_equal(type, "fl32") || ma_dr_wav_fourcc_equal(type, "fl64") || ma_dr_wav_fourcc_equal(type, "FL32") || ma_dr_wav_fourcc_equal(type, "FL64")) {
compressionFormat = MA_DR_WAVE_FORMAT_IEEE_FLOAT;
} else if (ma_dr_wav_fourcc_equal(type, "alaw") || ma_dr_wav_fourcc_equal(type, "ALAW")) {
compressionFormat = MA_DR_WAVE_FORMAT_ALAW;
} else if (ma_dr_wav_fourcc_equal(type, "ulaw") || ma_dr_wav_fourcc_equal(type, "ULAW")) {
compressionFormat = MA_DR_WAVE_FORMAT_MULAW;
} else if (ma_dr_wav_fourcc_equal(type, "ima4")) {
compressionFormat = MA_DR_WAVE_FORMAT_DVI_ADPCM;
sampleSizeInBits = 4;
(void)compressionFormat;
(void)sampleSizeInBits;
return MA_FALSE;
} else {
return MA_FALSE;
}
} else {
compressionFormat = MA_DR_WAVE_FORMAT_PCM;
}
aiffFrameCount = frameCount;
fmt.formatTag = compressionFormat;
fmt.channels = channels;
fmt.sampleRate = (ma_uint32)sampleRate;
fmt.bitsPerSample = sampleSizeInBits;
fmt.blockAlign = (ma_uint16)(fmt.channels * fmt.bitsPerSample / 8);
fmt.avgBytesPerSec = fmt.blockAlign * fmt.sampleRate;
if (fmt.blockAlign == 0 && compressionFormat == MA_DR_WAVE_FORMAT_DVI_ADPCM) {
fmt.blockAlign = 34 * fmt.channels;
}
if (compressionFormat == MA_DR_WAVE_FORMAT_ALAW || compressionFormat == MA_DR_WAVE_FORMAT_MULAW) {
if (fmt.bitsPerSample > 8) {
fmt.bitsPerSample = 8;
fmt.blockAlign = fmt.channels;
}
}
fmt.bitsPerSample += (fmt.bitsPerSample & 7);
if (isAIFCFormType) {
if (ma_dr_wav__seek_forward(pWav->onSeek, (chunkSize - commDataBytesToRead), pWav->pUserData) == MA_FALSE) {
return MA_FALSE;
}
cursor += (chunkSize - commDataBytesToRead);
}
continue;
}
if (pWav->container == ma_dr_wav_container_aiff && ma_dr_wav_fourcc_equal(header.id.fourcc, "SSND")) {
ma_uint8 offsetAndBlockSizeData[8];
ma_uint32 offset;
foundChunk_data = MA_TRUE;
if (ma_dr_wav__on_read(pWav->onRead, pWav->pUserData, offsetAndBlockSizeData, sizeof(offsetAndBlockSizeData), &cursor) != sizeof(offsetAndBlockSizeData)) {
return MA_FALSE;
}
offset = ma_dr_wav_bytes_to_u32_ex(offsetAndBlockSizeData + 0, pWav->container);
pWav->dataChunkDataPos = cursor + offset;
dataChunkSize = chunkSize;
if (dataChunkSize > offset) {
dataChunkSize -= offset;
} else {
dataChunkSize = 0;
}
if (sequential) {
if (foundChunk_fmt) {
if (ma_dr_wav__seek_forward(pWav->onSeek, offset, pWav->pUserData) == MA_FALSE) {
return MA_FALSE;
}
cursor += offset;
break;
} else {
return MA_FALSE;
}
} else {
chunkSize += header.paddingSize;
chunkSize -= sizeof(offsetAndBlockSizeData);
if (ma_dr_wav__seek_forward(pWav->onSeek, chunkSize, pWav->pUserData) == MA_FALSE) {
break;
}
cursor += chunkSize;
continue;
}
}
if (isProcessingMetadata) {
ma_dr_wav__metadata_process_chunk(&metadataParser, &header, ma_dr_wav_metadata_type_all_including_unknown);
if (ma_dr_wav__seek_from_start(pWav->onSeek, cursor, pWav->pUserData) == MA_FALSE) {
break;
}
}
chunkSize += header.paddingSize;
if (ma_dr_wav__seek_forward(pWav->onSeek, chunkSize, pWav->pUserData) == MA_FALSE) {
break;
}
cursor += chunkSize;
}
if (!foundChunk_fmt || !foundChunk_data) {
return MA_FALSE;
}
if ((fmt.sampleRate == 0 || fmt.sampleRate > MA_DR_WAV_MAX_SAMPLE_RATE ) ||
(fmt.channels == 0 || fmt.channels > MA_DR_WAV_MAX_CHANNELS ) ||
(fmt.bitsPerSample == 0 || fmt.bitsPerSample > MA_DR_WAV_MAX_BITS_PER_SAMPLE) ||
fmt.blockAlign == 0) {
return MA_FALSE;
}
translatedFormatTag = fmt.formatTag;
if (translatedFormatTag == MA_DR_WAVE_FORMAT_EXTENSIBLE) {
translatedFormatTag = ma_dr_wav_bytes_to_u16_ex(fmt.subFormat + 0, pWav->container);
}
if (!sequential) {
if (!ma_dr_wav__seek_from_start(pWav->onSeek, pWav->dataChunkDataPos, pWav->pUserData)) {
return MA_FALSE;
}
cursor = pWav->dataChunkDataPos;
}
if (isProcessingMetadata && metadataParser.metadataCount > 0) {
if (ma_dr_wav__seek_from_start(pWav->onSeek, metadataStartPos, pWav->pUserData) == MA_FALSE) {
return MA_FALSE;
}
result = ma_dr_wav__metadata_alloc(&metadataParser, &pWav->allocationCallbacks);
if (result != MA_SUCCESS) {
return MA_FALSE;
}
metadataParser.stage = ma_dr_wav__metadata_parser_stage_read;
for (;;) {
ma_dr_wav_chunk_header header;
ma_uint64 metadataBytesRead;
result = ma_dr_wav__read_chunk_header(pWav->onRead, pWav->pUserData, pWav->container, &cursor, &header);
if (result != MA_SUCCESS) {
break;
}
metadataBytesRead = ma_dr_wav__metadata_process_chunk(&metadataParser, &header, ma_dr_wav_metadata_type_all_including_unknown);
if (ma_dr_wav__seek_forward(pWav->onSeek, (header.sizeInBytes + header.paddingSize) - metadataBytesRead, pWav->pUserData) == MA_FALSE) {
ma_dr_wav_free(metadataParser.pMetadata, &pWav->allocationCallbacks);
return MA_FALSE;
}
}
pWav->pMetadata = metadataParser.pMetadata;
pWav->metadataCount = metadataParser.metadataCount;
}
if (pWav->onTell != NULL && pWav->onSeek != NULL) {
if (pWav->onSeek(pWav->pUserData, 0, MA_DR_WAV_SEEK_END) == MA_TRUE) {
ma_int64 fileSize;
if (pWav->onTell(pWav->pUserData, &fileSize)) {
if (dataChunkSize + pWav->dataChunkDataPos > (ma_uint64)fileSize) {
dataChunkSize = (ma_uint64)fileSize - pWav->dataChunkDataPos;
}
}
} else {
}
}
if (dataChunkSize == 0xFFFFFFFF && (pWav->container == ma_dr_wav_container_riff || pWav->container == ma_dr_wav_container_rifx) && pWav->isSequentialWrite == MA_FALSE) {
dataChunkSize = 0;
for (;;) {
ma_uint8 temp[4096];
size_t bytesRead = pWav->onRead(pWav->pUserData, temp, sizeof(temp));
dataChunkSize += bytesRead;
if (bytesRead < sizeof(temp)) {
break;
}
}
}
if (ma_dr_wav__seek_from_start(pWav->onSeek, pWav->dataChunkDataPos, pWav->pUserData) == MA_FALSE) {
ma_dr_wav_free(pWav->pMetadata, &pWav->allocationCallbacks);
return MA_FALSE;
}
pWav->fmt = fmt;
pWav->sampleRate = fmt.sampleRate;
pWav->channels = fmt.channels;
pWav->bitsPerSample = fmt.bitsPerSample;
pWav->translatedFormatTag = translatedFormatTag;
if (!ma_dr_wav__is_compressed_format_tag(translatedFormatTag)) {
ma_uint32 bytesPerFrame = ma_dr_wav_get_bytes_per_pcm_frame(pWav);
if (bytesPerFrame > 0) {
dataChunkSize -= (dataChunkSize % bytesPerFrame);
}
}
pWav->bytesRemaining = dataChunkSize;
pWav->dataChunkDataSize = dataChunkSize;
if (sampleCountFromFactChunk != 0) {
pWav->totalPCMFrameCount = sampleCountFromFactChunk;
} else if (aiffFrameCount != 0) {
pWav->totalPCMFrameCount = aiffFrameCount;
} else {
ma_uint32 bytesPerFrame = ma_dr_wav_get_bytes_per_pcm_frame(pWav);
if (bytesPerFrame == 0) {
ma_dr_wav_free(pWav->pMetadata, &pWav->allocationCallbacks);
return MA_FALSE;
}
pWav->totalPCMFrameCount = dataChunkSize / bytesPerFrame;
if (pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_ADPCM) {
ma_uint64 totalBlockHeaderSizeInBytes;
ma_uint64 blockCount = dataChunkSize / fmt.blockAlign;
if ((blockCount * fmt.blockAlign) < dataChunkSize) {
blockCount += 1;
}
totalBlockHeaderSizeInBytes = blockCount * (6*fmt.channels);
pWav->totalPCMFrameCount = ((dataChunkSize - totalBlockHeaderSizeInBytes) * 2) / fmt.channels;
}
if (pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_DVI_ADPCM) {
ma_uint64 totalBlockHeaderSizeInBytes;
ma_uint64 blockCount = dataChunkSize / fmt.blockAlign;
if ((blockCount * fmt.blockAlign) < dataChunkSize) {
blockCount += 1;
}
totalBlockHeaderSizeInBytes = blockCount * (4*fmt.channels);
pWav->totalPCMFrameCount = ((dataChunkSize - totalBlockHeaderSizeInBytes) * 2) / fmt.channels;
pWav->totalPCMFrameCount += blockCount;
}
}
if (pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_ADPCM || pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_DVI_ADPCM) {
if (pWav->channels > 2) {
ma_dr_wav_free(pWav->pMetadata, &pWav->allocationCallbacks);
return MA_FALSE;
}
}
if (ma_dr_wav_get_bytes_per_pcm_frame(pWav) == 0) {
ma_dr_wav_free(pWav->pMetadata, &pWav->allocationCallbacks);
return MA_FALSE;
}
#ifdef MA_DR_WAV_LIBSNDFILE_COMPAT
if (pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_ADPCM) {
ma_uint64 blockCount = dataChunkSize / fmt.blockAlign;
pWav->totalPCMFrameCount = (((blockCount * (fmt.blockAlign - (6*pWav->channels))) * 2)) / fmt.channels;
}
if (pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_DVI_ADPCM) {
ma_uint64 blockCount = dataChunkSize / fmt.blockAlign;
pWav->totalPCMFrameCount = (((blockCount * (fmt.blockAlign - (4*pWav->channels))) * 2) + (blockCount * pWav->channels)) / fmt.channels;
}
#endif
return MA_TRUE;
}
MA_API ma_bool32 ma_dr_wav_init(ma_dr_wav* pWav, ma_dr_wav_read_proc onRead, ma_dr_wav_seek_proc onSeek, ma_dr_wav_tell_proc onTell, void* pUserData, const ma_allocation_callbacks* pAllocationCallbacks)
{
return ma_dr_wav_init_ex(pWav, onRead, onSeek, onTell, NULL, pUserData, NULL, 0, pAllocationCallbacks);
}
MA_API ma_bool32 ma_dr_wav_init_ex(ma_dr_wav* pWav, ma_dr_wav_read_proc onRead, ma_dr_wav_seek_proc onSeek, ma_dr_wav_tell_proc onTell, ma_dr_wav_chunk_proc onChunk, void* pReadSeekTellUserData, void* pChunkUserData, ma_uint32 flags, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (!ma_dr_wav_preinit(pWav, onRead, onSeek, onTell, pReadSeekTellUserData, pAllocationCallbacks)) {
return MA_FALSE;
}
return ma_dr_wav_init__internal(pWav, onChunk, pChunkUserData, flags);
}
MA_API ma_bool32 ma_dr_wav_init_with_metadata(ma_dr_wav* pWav, ma_dr_wav_read_proc onRead, ma_dr_wav_seek_proc onSeek, ma_dr_wav_tell_proc onTell, void* pUserData, ma_uint32 flags, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (!ma_dr_wav_preinit(pWav, onRead, onSeek, onTell, pUserData, pAllocationCallbacks)) {
return MA_FALSE;
}
return ma_dr_wav_init__internal(pWav, NULL, NULL, flags | MA_DR_WAV_WITH_METADATA);
}
MA_API ma_dr_wav_metadata* ma_dr_wav_take_ownership_of_metadata(ma_dr_wav* pWav)
{
ma_dr_wav_metadata *result = pWav->pMetadata;
pWav->pMetadata = NULL;
pWav->metadataCount = 0;
return result;
}
MA_PRIVATE size_t ma_dr_wav__write(ma_dr_wav* pWav, const void* pData, size_t dataSize)
{
MA_DR_WAV_ASSERT(pWav != NULL);
MA_DR_WAV_ASSERT(pWav->onWrite != NULL);
return pWav->onWrite(pWav->pUserData, pData, dataSize);
}
MA_PRIVATE size_t ma_dr_wav__write_byte(ma_dr_wav* pWav, ma_uint8 byte)
{
MA_DR_WAV_ASSERT(pWav != NULL);
MA_DR_WAV_ASSERT(pWav->onWrite != NULL);
return pWav->onWrite(pWav->pUserData, &byte, 1);
}
MA_PRIVATE size_t ma_dr_wav__write_u16ne_to_le(ma_dr_wav* pWav, ma_uint16 value)
{
MA_DR_WAV_ASSERT(pWav != NULL);
MA_DR_WAV_ASSERT(pWav->onWrite != NULL);
if (!ma_dr_wav__is_little_endian()) {
value = ma_dr_wav__bswap16(value);
}
return ma_dr_wav__write(pWav, &value, 2);
}
MA_PRIVATE size_t ma_dr_wav__write_u32ne_to_le(ma_dr_wav* pWav, ma_uint32 value)
{
MA_DR_WAV_ASSERT(pWav != NULL);
MA_DR_WAV_ASSERT(pWav->onWrite != NULL);
if (!ma_dr_wav__is_little_endian()) {
value = ma_dr_wav__bswap32(value);
}
return ma_dr_wav__write(pWav, &value, 4);
}
MA_PRIVATE size_t ma_dr_wav__write_u64ne_to_le(ma_dr_wav* pWav, ma_uint64 value)
{
MA_DR_WAV_ASSERT(pWav != NULL);
MA_DR_WAV_ASSERT(pWav->onWrite != NULL);
if (!ma_dr_wav__is_little_endian()) {
value = ma_dr_wav__bswap64(value);
}
return ma_dr_wav__write(pWav, &value, 8);
}
MA_PRIVATE size_t ma_dr_wav__write_f32ne_to_le(ma_dr_wav* pWav, float value)
{
union {
ma_uint32 u32;
float f32;
} u;
MA_DR_WAV_ASSERT(pWav != NULL);
MA_DR_WAV_ASSERT(pWav->onWrite != NULL);
u.f32 = value;
if (!ma_dr_wav__is_little_endian()) {
u.u32 = ma_dr_wav__bswap32(u.u32);
}
return ma_dr_wav__write(pWav, &u.u32, 4);
}
MA_PRIVATE size_t ma_dr_wav__write_or_count(ma_dr_wav* pWav, const void* pData, size_t dataSize)
{
if (pWav == NULL) {
return dataSize;
}
return ma_dr_wav__write(pWav, pData, dataSize);
}
MA_PRIVATE size_t ma_dr_wav__write_or_count_byte(ma_dr_wav* pWav, ma_uint8 byte)
{
if (pWav == NULL) {
return 1;
}
return ma_dr_wav__write_byte(pWav, byte);
}
MA_PRIVATE size_t ma_dr_wav__write_or_count_u16ne_to_le(ma_dr_wav* pWav, ma_uint16 value)
{
if (pWav == NULL) {
return 2;
}
return ma_dr_wav__write_u16ne_to_le(pWav, value);
}
MA_PRIVATE size_t ma_dr_wav__write_or_count_u32ne_to_le(ma_dr_wav* pWav, ma_uint32 value)
{
if (pWav == NULL) {
return 4;
}
return ma_dr_wav__write_u32ne_to_le(pWav, value);
}
#if 0
MA_PRIVATE size_t ma_dr_wav__write_or_count_u64ne_to_le(ma_dr_wav* pWav, ma_uint64 value)
{
if (pWav == NULL) {
return 8;
}
return ma_dr_wav__write_u64ne_to_le(pWav, value);
}
#endif
MA_PRIVATE size_t ma_dr_wav__write_or_count_f32ne_to_le(ma_dr_wav* pWav, float value)
{
if (pWav == NULL) {
return 4;
}
return ma_dr_wav__write_f32ne_to_le(pWav, value);
}
MA_PRIVATE size_t ma_dr_wav__write_or_count_string_to_fixed_size_buf(ma_dr_wav* pWav, char* str, size_t bufFixedSize)
{
size_t len;
if (pWav == NULL) {
return bufFixedSize;
}
len = ma_dr_wav__strlen_clamped(str, bufFixedSize);
ma_dr_wav__write_or_count(pWav, str, len);
if (len < bufFixedSize) {
size_t i;
for (i = 0; i < bufFixedSize - len; ++i) {
ma_dr_wav__write_byte(pWav, 0);
}
}
return bufFixedSize;
}
MA_PRIVATE size_t ma_dr_wav__write_or_count_metadata(ma_dr_wav* pWav, ma_dr_wav_metadata* pMetadatas, ma_uint32 metadataCount)
{
size_t bytesWritten = 0;
ma_bool32 hasListAdtl = MA_FALSE;
ma_bool32 hasListInfo = MA_FALSE;
ma_uint32 iMetadata;
if (pMetadatas == NULL || metadataCount == 0) {
return 0;
}
for (iMetadata = 0; iMetadata < metadataCount; ++iMetadata) {
ma_dr_wav_metadata* pMetadata = &pMetadatas[iMetadata];
ma_uint32 chunkSize = 0;
if ((pMetadata->type & ma_dr_wav_metadata_type_list_all_info_strings) || (pMetadata->type == ma_dr_wav_metadata_type_unknown && pMetadata->data.unknown.chunkLocation == ma_dr_wav_metadata_location_inside_info_list)) {
hasListInfo = MA_TRUE;
}
if ((pMetadata->type & ma_dr_wav_metadata_type_list_all_adtl) || (pMetadata->type == ma_dr_wav_metadata_type_unknown && pMetadata->data.unknown.chunkLocation == ma_dr_wav_metadata_location_inside_adtl_list)) {
hasListAdtl = MA_TRUE;
}
switch (pMetadata->type) {
case ma_dr_wav_metadata_type_smpl:
{
ma_uint32 iLoop;
chunkSize = MA_DR_WAV_SMPL_BYTES + MA_DR_WAV_SMPL_LOOP_BYTES * pMetadata->data.smpl.sampleLoopCount + pMetadata->data.smpl.samplerSpecificDataSizeInBytes;
bytesWritten += ma_dr_wav__write_or_count(pWav, "smpl", 4);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, chunkSize);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, pMetadata->data.smpl.manufacturerId);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, pMetadata->data.smpl.productId);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, pMetadata->data.smpl.samplePeriodNanoseconds);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, pMetadata->data.smpl.midiUnityNote);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, pMetadata->data.smpl.midiPitchFraction);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, pMetadata->data.smpl.smpteFormat);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, pMetadata->data.smpl.smpteOffset);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, pMetadata->data.smpl.sampleLoopCount);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, pMetadata->data.smpl.samplerSpecificDataSizeInBytes);
for (iLoop = 0; iLoop < pMetadata->data.smpl.sampleLoopCount; ++iLoop) {
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, pMetadata->data.smpl.pLoops[iLoop].cuePointId);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, pMetadata->data.smpl.pLoops[iLoop].type);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, pMetadata->data.smpl.pLoops[iLoop].firstSampleOffset);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, pMetadata->data.smpl.pLoops[iLoop].lastSampleOffset);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, pMetadata->data.smpl.pLoops[iLoop].sampleFraction);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, pMetadata->data.smpl.pLoops[iLoop].playCount);
}
if (pMetadata->data.smpl.samplerSpecificDataSizeInBytes > 0) {
bytesWritten += ma_dr_wav__write_or_count(pWav, pMetadata->data.smpl.pSamplerSpecificData, pMetadata->data.smpl.samplerSpecificDataSizeInBytes);
}
} break;
case ma_dr_wav_metadata_type_inst:
{
chunkSize = MA_DR_WAV_INST_BYTES;
bytesWritten += ma_dr_wav__write_or_count(pWav, "inst", 4);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, chunkSize);
bytesWritten += ma_dr_wav__write_or_count(pWav, &pMetadata->data.inst.midiUnityNote, 1);
bytesWritten += ma_dr_wav__write_or_count(pWav, &pMetadata->data.inst.fineTuneCents, 1);
bytesWritten += ma_dr_wav__write_or_count(pWav, &pMetadata->data.inst.gainDecibels, 1);
bytesWritten += ma_dr_wav__write_or_count(pWav, &pMetadata->data.inst.lowNote, 1);
bytesWritten += ma_dr_wav__write_or_count(pWav, &pMetadata->data.inst.highNote, 1);
bytesWritten += ma_dr_wav__write_or_count(pWav, &pMetadata->data.inst.lowVelocity, 1);
bytesWritten += ma_dr_wav__write_or_count(pWav, &pMetadata->data.inst.highVelocity, 1);
} break;
case ma_dr_wav_metadata_type_cue:
{
ma_uint32 iCuePoint;
chunkSize = MA_DR_WAV_CUE_BYTES + MA_DR_WAV_CUE_POINT_BYTES * pMetadata->data.cue.cuePointCount;
bytesWritten += ma_dr_wav__write_or_count(pWav, "cue ", 4);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, chunkSize);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, pMetadata->data.cue.cuePointCount);
for (iCuePoint = 0; iCuePoint < pMetadata->data.cue.cuePointCount; ++iCuePoint) {
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, pMetadata->data.cue.pCuePoints[iCuePoint].id);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, pMetadata->data.cue.pCuePoints[iCuePoint].playOrderPosition);
bytesWritten += ma_dr_wav__write_or_count(pWav, pMetadata->data.cue.pCuePoints[iCuePoint].dataChunkId, 4);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, pMetadata->data.cue.pCuePoints[iCuePoint].chunkStart);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, pMetadata->data.cue.pCuePoints[iCuePoint].blockStart);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, pMetadata->data.cue.pCuePoints[iCuePoint].sampleOffset);
}
} break;
case ma_dr_wav_metadata_type_acid:
{
chunkSize = MA_DR_WAV_ACID_BYTES;
bytesWritten += ma_dr_wav__write_or_count(pWav, "acid", 4);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, chunkSize);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, pMetadata->data.acid.flags);
bytesWritten += ma_dr_wav__write_or_count_u16ne_to_le(pWav, pMetadata->data.acid.midiUnityNote);
bytesWritten += ma_dr_wav__write_or_count_u16ne_to_le(pWav, pMetadata->data.acid.reserved1);
bytesWritten += ma_dr_wav__write_or_count_f32ne_to_le(pWav, pMetadata->data.acid.reserved2);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, pMetadata->data.acid.numBeats);
bytesWritten += ma_dr_wav__write_or_count_u16ne_to_le(pWav, pMetadata->data.acid.meterDenominator);
bytesWritten += ma_dr_wav__write_or_count_u16ne_to_le(pWav, pMetadata->data.acid.meterNumerator);
bytesWritten += ma_dr_wav__write_or_count_f32ne_to_le(pWav, pMetadata->data.acid.tempo);
} break;
case ma_dr_wav_metadata_type_bext:
{
char reservedBuf[MA_DR_WAV_BEXT_RESERVED_BYTES];
ma_uint32 timeReferenceLow;
ma_uint32 timeReferenceHigh;
chunkSize = MA_DR_WAV_BEXT_BYTES + pMetadata->data.bext.codingHistorySize;
bytesWritten += ma_dr_wav__write_or_count(pWav, "bext", 4);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, chunkSize);
bytesWritten += ma_dr_wav__write_or_count_string_to_fixed_size_buf(pWav, pMetadata->data.bext.pDescription, MA_DR_WAV_BEXT_DESCRIPTION_BYTES);
bytesWritten += ma_dr_wav__write_or_count_string_to_fixed_size_buf(pWav, pMetadata->data.bext.pOriginatorName, MA_DR_WAV_BEXT_ORIGINATOR_NAME_BYTES);
bytesWritten += ma_dr_wav__write_or_count_string_to_fixed_size_buf(pWav, pMetadata->data.bext.pOriginatorReference, MA_DR_WAV_BEXT_ORIGINATOR_REF_BYTES);
bytesWritten += ma_dr_wav__write_or_count(pWav, pMetadata->data.bext.pOriginationDate, sizeof(pMetadata->data.bext.pOriginationDate));
bytesWritten += ma_dr_wav__write_or_count(pWav, pMetadata->data.bext.pOriginationTime, sizeof(pMetadata->data.bext.pOriginationTime));
timeReferenceLow = (ma_uint32)(pMetadata->data.bext.timeReference & 0xFFFFFFFF);
timeReferenceHigh = (ma_uint32)(pMetadata->data.bext.timeReference >> 32);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, timeReferenceLow);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, timeReferenceHigh);
bytesWritten += ma_dr_wav__write_or_count_u16ne_to_le(pWav, pMetadata->data.bext.version);
bytesWritten += ma_dr_wav__write_or_count(pWav, pMetadata->data.bext.pUMID, MA_DR_WAV_BEXT_UMID_BYTES);
bytesWritten += ma_dr_wav__write_or_count_u16ne_to_le(pWav, pMetadata->data.bext.loudnessValue);
bytesWritten += ma_dr_wav__write_or_count_u16ne_to_le(pWav, pMetadata->data.bext.loudnessRange);
bytesWritten += ma_dr_wav__write_or_count_u16ne_to_le(pWav, pMetadata->data.bext.maxTruePeakLevel);
bytesWritten += ma_dr_wav__write_or_count_u16ne_to_le(pWav, pMetadata->data.bext.maxMomentaryLoudness);
bytesWritten += ma_dr_wav__write_or_count_u16ne_to_le(pWav, pMetadata->data.bext.maxShortTermLoudness);
MA_DR_WAV_ZERO_MEMORY(reservedBuf, sizeof(reservedBuf));
bytesWritten += ma_dr_wav__write_or_count(pWav, reservedBuf, sizeof(reservedBuf));
if (pMetadata->data.bext.codingHistorySize > 0) {
bytesWritten += ma_dr_wav__write_or_count(pWav, pMetadata->data.bext.pCodingHistory, pMetadata->data.bext.codingHistorySize);
}
} break;
case ma_dr_wav_metadata_type_unknown:
{
if (pMetadata->data.unknown.chunkLocation == ma_dr_wav_metadata_location_top_level) {
chunkSize = pMetadata->data.unknown.dataSizeInBytes;
bytesWritten += ma_dr_wav__write_or_count(pWav, pMetadata->data.unknown.id, 4);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, chunkSize);
bytesWritten += ma_dr_wav__write_or_count(pWav, pMetadata->data.unknown.pData, pMetadata->data.unknown.dataSizeInBytes);
}
} break;
default: break;
}
if ((chunkSize % 2) != 0) {
bytesWritten += ma_dr_wav__write_or_count_byte(pWav, 0);
}
}
if (hasListInfo) {
ma_uint32 chunkSize = 4;
for (iMetadata = 0; iMetadata < metadataCount; ++iMetadata) {
ma_dr_wav_metadata* pMetadata = &pMetadatas[iMetadata];
if ((pMetadata->type & ma_dr_wav_metadata_type_list_all_info_strings)) {
chunkSize += 8;
chunkSize += pMetadata->data.infoText.stringLength + 1;
} else if (pMetadata->type == ma_dr_wav_metadata_type_unknown && pMetadata->data.unknown.chunkLocation == ma_dr_wav_metadata_location_inside_info_list) {
chunkSize += 8;
chunkSize += pMetadata->data.unknown.dataSizeInBytes;
}
if ((chunkSize % 2) != 0) {
chunkSize += 1;
}
}
bytesWritten += ma_dr_wav__write_or_count(pWav, "LIST", 4);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, chunkSize);
bytesWritten += ma_dr_wav__write_or_count(pWav, "INFO", 4);
for (iMetadata = 0; iMetadata < metadataCount; ++iMetadata) {
ma_dr_wav_metadata* pMetadata = &pMetadatas[iMetadata];
ma_uint32 subchunkSize = 0;
if (pMetadata->type & ma_dr_wav_metadata_type_list_all_info_strings) {
const char* pID = NULL;
switch (pMetadata->type) {
case ma_dr_wav_metadata_type_list_info_software: pID = "ISFT"; break;
case ma_dr_wav_metadata_type_list_info_copyright: pID = "ICOP"; break;
case ma_dr_wav_metadata_type_list_info_title: pID = "INAM"; break;
case ma_dr_wav_metadata_type_list_info_artist: pID = "IART"; break;
case ma_dr_wav_metadata_type_list_info_comment: pID = "ICMT"; break;
case ma_dr_wav_metadata_type_list_info_date: pID = "ICRD"; break;
case ma_dr_wav_metadata_type_list_info_genre: pID = "IGNR"; break;
case ma_dr_wav_metadata_type_list_info_album: pID = "IPRD"; break;
case ma_dr_wav_metadata_type_list_info_tracknumber: pID = "ITRK"; break;
case ma_dr_wav_metadata_type_list_info_location: pID = "IARL"; break;
case ma_dr_wav_metadata_type_list_info_organization: pID = "ICMS"; break;
case ma_dr_wav_metadata_type_list_info_keywords: pID = "IKEY"; break;
case ma_dr_wav_metadata_type_list_info_medium: pID = "IMED"; break;
case ma_dr_wav_metadata_type_list_info_description: pID = "ISBJ"; break;
default: break;
}
MA_DR_WAV_ASSERT(pID != NULL);
if (pMetadata->data.infoText.stringLength) {
subchunkSize = pMetadata->data.infoText.stringLength + 1;
bytesWritten += ma_dr_wav__write_or_count(pWav, pID, 4);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, subchunkSize);
bytesWritten += ma_dr_wav__write_or_count(pWav, pMetadata->data.infoText.pString, pMetadata->data.infoText.stringLength);
bytesWritten += ma_dr_wav__write_or_count_byte(pWav, '\0');
}
} else if (pMetadata->type == ma_dr_wav_metadata_type_unknown && pMetadata->data.unknown.chunkLocation == ma_dr_wav_metadata_location_inside_info_list) {
if (pMetadata->data.unknown.dataSizeInBytes) {
subchunkSize = pMetadata->data.unknown.dataSizeInBytes;
bytesWritten += ma_dr_wav__write_or_count(pWav, pMetadata->data.unknown.id, 4);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, pMetadata->data.unknown.dataSizeInBytes);
bytesWritten += ma_dr_wav__write_or_count(pWav, pMetadata->data.unknown.pData, subchunkSize);
}
}
if ((subchunkSize % 2) != 0) {
bytesWritten += ma_dr_wav__write_or_count_byte(pWav, 0);
}
}
}
if (hasListAdtl) {
ma_uint32 chunkSize = 4;
for (iMetadata = 0; iMetadata < metadataCount; ++iMetadata) {
ma_dr_wav_metadata* pMetadata = &pMetadatas[iMetadata];
switch (pMetadata->type)
{
case ma_dr_wav_metadata_type_list_label:
case ma_dr_wav_metadata_type_list_note:
{
chunkSize += 8;
chunkSize += MA_DR_WAV_LIST_LABEL_OR_NOTE_BYTES;
if (pMetadata->data.labelOrNote.stringLength > 0) {
chunkSize += pMetadata->data.labelOrNote.stringLength + 1;
}
} break;
case ma_dr_wav_metadata_type_list_labelled_cue_region:
{
chunkSize += 8;
chunkSize += MA_DR_WAV_LIST_LABELLED_TEXT_BYTES;
if (pMetadata->data.labelledCueRegion.stringLength > 0) {
chunkSize += pMetadata->data.labelledCueRegion.stringLength + 1;
}
} break;
case ma_dr_wav_metadata_type_unknown:
{
if (pMetadata->data.unknown.chunkLocation == ma_dr_wav_metadata_location_inside_adtl_list) {
chunkSize += 8;
chunkSize += pMetadata->data.unknown.dataSizeInBytes;
}
} break;
default: break;
}
if ((chunkSize % 2) != 0) {
chunkSize += 1;
}
}
bytesWritten += ma_dr_wav__write_or_count(pWav, "LIST", 4);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, chunkSize);
bytesWritten += ma_dr_wav__write_or_count(pWav, "adtl", 4);
for (iMetadata = 0; iMetadata < metadataCount; ++iMetadata) {
ma_dr_wav_metadata* pMetadata = &pMetadatas[iMetadata];
ma_uint32 subchunkSize = 0;
switch (pMetadata->type)
{
case ma_dr_wav_metadata_type_list_label:
case ma_dr_wav_metadata_type_list_note:
{
if (pMetadata->data.labelOrNote.stringLength > 0) {
const char *pID = NULL;
if (pMetadata->type == ma_dr_wav_metadata_type_list_label) {
pID = "labl";
}
else if (pMetadata->type == ma_dr_wav_metadata_type_list_note) {
pID = "note";
}
MA_DR_WAV_ASSERT(pID != NULL);
MA_DR_WAV_ASSERT(pMetadata->data.labelOrNote.pString != NULL);
subchunkSize = MA_DR_WAV_LIST_LABEL_OR_NOTE_BYTES;
bytesWritten += ma_dr_wav__write_or_count(pWav, pID, 4);
subchunkSize += pMetadata->data.labelOrNote.stringLength + 1;
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, subchunkSize);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, pMetadata->data.labelOrNote.cuePointId);
bytesWritten += ma_dr_wav__write_or_count(pWav, pMetadata->data.labelOrNote.pString, pMetadata->data.labelOrNote.stringLength);
bytesWritten += ma_dr_wav__write_or_count_byte(pWav, '\0');
}
} break;
case ma_dr_wav_metadata_type_list_labelled_cue_region:
{
subchunkSize = MA_DR_WAV_LIST_LABELLED_TEXT_BYTES;
bytesWritten += ma_dr_wav__write_or_count(pWav, "ltxt", 4);
if (pMetadata->data.labelledCueRegion.stringLength > 0) {
subchunkSize += pMetadata->data.labelledCueRegion.stringLength + 1;
}
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, subchunkSize);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, pMetadata->data.labelledCueRegion.cuePointId);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, pMetadata->data.labelledCueRegion.sampleLength);
bytesWritten += ma_dr_wav__write_or_count(pWav, pMetadata->data.labelledCueRegion.purposeId, 4);
bytesWritten += ma_dr_wav__write_or_count_u16ne_to_le(pWav, pMetadata->data.labelledCueRegion.country);
bytesWritten += ma_dr_wav__write_or_count_u16ne_to_le(pWav, pMetadata->data.labelledCueRegion.language);
bytesWritten += ma_dr_wav__write_or_count_u16ne_to_le(pWav, pMetadata->data.labelledCueRegion.dialect);
bytesWritten += ma_dr_wav__write_or_count_u16ne_to_le(pWav, pMetadata->data.labelledCueRegion.codePage);
if (pMetadata->data.labelledCueRegion.stringLength > 0) {
MA_DR_WAV_ASSERT(pMetadata->data.labelledCueRegion.pString != NULL);
bytesWritten += ma_dr_wav__write_or_count(pWav, pMetadata->data.labelledCueRegion.pString, pMetadata->data.labelledCueRegion.stringLength);
bytesWritten += ma_dr_wav__write_or_count_byte(pWav, '\0');
}
} break;
case ma_dr_wav_metadata_type_unknown:
{
if (pMetadata->data.unknown.chunkLocation == ma_dr_wav_metadata_location_inside_adtl_list) {
subchunkSize = pMetadata->data.unknown.dataSizeInBytes;
MA_DR_WAV_ASSERT(pMetadata->data.unknown.pData != NULL);
bytesWritten += ma_dr_wav__write_or_count(pWav, pMetadata->data.unknown.id, 4);
bytesWritten += ma_dr_wav__write_or_count_u32ne_to_le(pWav, subchunkSize);
bytesWritten += ma_dr_wav__write_or_count(pWav, pMetadata->data.unknown.pData, subchunkSize);
}
} break;
default: break;
}
if ((subchunkSize % 2) != 0) {
bytesWritten += ma_dr_wav__write_or_count_byte(pWav, 0);
}
}
}
MA_DR_WAV_ASSERT((bytesWritten % 2) == 0);
return bytesWritten;
}
MA_PRIVATE ma_uint32 ma_dr_wav__riff_chunk_size_riff(ma_uint64 dataChunkSize, ma_dr_wav_metadata* pMetadata, ma_uint32 metadataCount)
{
ma_uint64 chunkSize = 4 + 24 + (ma_uint64)ma_dr_wav__write_or_count_metadata(NULL, pMetadata, metadataCount) + 8 + dataChunkSize + ma_dr_wav__chunk_padding_size_riff(dataChunkSize);
if (chunkSize > 0xFFFFFFFFUL) {
chunkSize = 0xFFFFFFFFUL;
}
return (ma_uint32)chunkSize;
}
MA_PRIVATE ma_uint32 ma_dr_wav__data_chunk_size_riff(ma_uint64 dataChunkSize)
{
if (dataChunkSize <= 0xFFFFFFFFUL) {
return (ma_uint32)dataChunkSize;
} else {
return 0xFFFFFFFFUL;
}
}
MA_PRIVATE ma_uint64 ma_dr_wav__riff_chunk_size_w64(ma_uint64 dataChunkSize)
{
ma_uint64 dataSubchunkPaddingSize = ma_dr_wav__chunk_padding_size_w64(dataChunkSize);
return 80 + 24 + dataChunkSize + dataSubchunkPaddingSize;
}
MA_PRIVATE ma_uint64 ma_dr_wav__data_chunk_size_w64(ma_uint64 dataChunkSize)
{
return 24 + dataChunkSize;
}
MA_PRIVATE ma_uint64 ma_dr_wav__riff_chunk_size_rf64(ma_uint64 dataChunkSize, ma_dr_wav_metadata *metadata, ma_uint32 numMetadata)
{
ma_uint64 chunkSize = 4 + 36 + 24 + (ma_uint64)ma_dr_wav__write_or_count_metadata(NULL, metadata, numMetadata) + 8 + dataChunkSize + ma_dr_wav__chunk_padding_size_riff(dataChunkSize);
if (chunkSize > 0xFFFFFFFFUL) {
chunkSize = 0xFFFFFFFFUL;
}
return chunkSize;
}
MA_PRIVATE ma_uint64 ma_dr_wav__data_chunk_size_rf64(ma_uint64 dataChunkSize)
{
return dataChunkSize;
}
MA_PRIVATE ma_bool32 ma_dr_wav_preinit_write(ma_dr_wav* pWav, const ma_dr_wav_data_format* pFormat, ma_bool32 isSequential, ma_dr_wav_write_proc onWrite, ma_dr_wav_seek_proc onSeek, void* pUserData, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pWav == NULL || onWrite == NULL) {
return MA_FALSE;
}
if (!isSequential && onSeek == NULL) {
return MA_FALSE;
}
if (pFormat->format == MA_DR_WAVE_FORMAT_EXTENSIBLE) {
return MA_FALSE;
}
if (pFormat->format == MA_DR_WAVE_FORMAT_ADPCM || pFormat->format == MA_DR_WAVE_FORMAT_DVI_ADPCM) {
return MA_FALSE;
}
MA_DR_WAV_ZERO_MEMORY(pWav, sizeof(*pWav));
pWav->onWrite = onWrite;
pWav->onSeek = onSeek;
pWav->pUserData = pUserData;
pWav->allocationCallbacks = ma_dr_wav_copy_allocation_callbacks_or_defaults(pAllocationCallbacks);
if (pWav->allocationCallbacks.onFree == NULL || (pWav->allocationCallbacks.onMalloc == NULL && pWav->allocationCallbacks.onRealloc == NULL)) {
return MA_FALSE;
}
pWav->fmt.formatTag = (ma_uint16)pFormat->format;
pWav->fmt.channels = (ma_uint16)pFormat->channels;
pWav->fmt.sampleRate = pFormat->sampleRate;
pWav->fmt.avgBytesPerSec = (ma_uint32)((pFormat->bitsPerSample * pFormat->sampleRate * pFormat->channels) / 8);
pWav->fmt.blockAlign = (ma_uint16)((pFormat->channels * pFormat->bitsPerSample) / 8);
pWav->fmt.bitsPerSample = (ma_uint16)pFormat->bitsPerSample;
pWav->fmt.extendedSize = 0;
pWav->isSequentialWrite = isSequential;
return MA_TRUE;
}
MA_PRIVATE ma_bool32 ma_dr_wav_init_write__internal(ma_dr_wav* pWav, const ma_dr_wav_data_format* pFormat, ma_uint64 totalSampleCount)
{
size_t runningPos = 0;
ma_uint64 initialDataChunkSize = 0;
ma_uint64 chunkSizeFMT;
if (pWav->isSequentialWrite) {
initialDataChunkSize = (totalSampleCount * pWav->fmt.bitsPerSample) / 8;
if (pFormat->container == ma_dr_wav_container_riff) {
if (initialDataChunkSize > (0xFFFFFFFFUL - 36)) {
return MA_FALSE;
}
}
}
pWav->dataChunkDataSizeTargetWrite = initialDataChunkSize;
if (pFormat->container == ma_dr_wav_container_riff) {
ma_uint32 chunkSizeRIFF = 36 + (ma_uint32)initialDataChunkSize;
runningPos += ma_dr_wav__write(pWav, "RIFF", 4);
runningPos += ma_dr_wav__write_u32ne_to_le(pWav, chunkSizeRIFF);
runningPos += ma_dr_wav__write(pWav, "WAVE", 4);
} else if (pFormat->container == ma_dr_wav_container_w64) {
ma_uint64 chunkSizeRIFF = 80 + 24 + initialDataChunkSize;
runningPos += ma_dr_wav__write(pWav, ma_dr_wavGUID_W64_RIFF, 16);
runningPos += ma_dr_wav__write_u64ne_to_le(pWav, chunkSizeRIFF);
runningPos += ma_dr_wav__write(pWav, ma_dr_wavGUID_W64_WAVE, 16);
} else if (pFormat->container == ma_dr_wav_container_rf64) {
runningPos += ma_dr_wav__write(pWav, "RF64", 4);
runningPos += ma_dr_wav__write_u32ne_to_le(pWav, 0xFFFFFFFF);
runningPos += ma_dr_wav__write(pWav, "WAVE", 4);
} else {
return MA_FALSE;
}
if (pFormat->container == ma_dr_wav_container_rf64) {
ma_uint32 initialds64ChunkSize = 28;
ma_uint64 initialRiffChunkSize = 8 + initialds64ChunkSize + initialDataChunkSize;
runningPos += ma_dr_wav__write(pWav, "ds64", 4);
runningPos += ma_dr_wav__write_u32ne_to_le(pWav, initialds64ChunkSize);
runningPos += ma_dr_wav__write_u64ne_to_le(pWav, initialRiffChunkSize);
runningPos += ma_dr_wav__write_u64ne_to_le(pWav, initialDataChunkSize);
runningPos += ma_dr_wav__write_u64ne_to_le(pWav, totalSampleCount);
runningPos += ma_dr_wav__write_u32ne_to_le(pWav, 0);
}
if (pFormat->container == ma_dr_wav_container_riff || pFormat->container == ma_dr_wav_container_rf64) {
chunkSizeFMT = 16;
runningPos += ma_dr_wav__write(pWav, "fmt ", 4);
runningPos += ma_dr_wav__write_u32ne_to_le(pWav, (ma_uint32)chunkSizeFMT);
} else if (pFormat->container == ma_dr_wav_container_w64) {
chunkSizeFMT = 40;
runningPos += ma_dr_wav__write(pWav, ma_dr_wavGUID_W64_FMT, 16);
runningPos += ma_dr_wav__write_u64ne_to_le(pWav, chunkSizeFMT);
}
runningPos += ma_dr_wav__write_u16ne_to_le(pWav, pWav->fmt.formatTag);
runningPos += ma_dr_wav__write_u16ne_to_le(pWav, pWav->fmt.channels);
runningPos += ma_dr_wav__write_u32ne_to_le(pWav, pWav->fmt.sampleRate);
runningPos += ma_dr_wav__write_u32ne_to_le(pWav, pWav->fmt.avgBytesPerSec);
runningPos += ma_dr_wav__write_u16ne_to_le(pWav, pWav->fmt.blockAlign);
runningPos += ma_dr_wav__write_u16ne_to_le(pWav, pWav->fmt.bitsPerSample);
if (!pWav->isSequentialWrite && pWav->pMetadata != NULL && pWav->metadataCount > 0 && (pFormat->container == ma_dr_wav_container_riff || pFormat->container == ma_dr_wav_container_rf64)) {
runningPos += ma_dr_wav__write_or_count_metadata(pWav, pWav->pMetadata, pWav->metadataCount);
}
pWav->dataChunkDataPos = runningPos;
if (pFormat->container == ma_dr_wav_container_riff) {
ma_uint32 chunkSizeDATA = (ma_uint32)initialDataChunkSize;
runningPos += ma_dr_wav__write(pWav, "data", 4);
runningPos += ma_dr_wav__write_u32ne_to_le(pWav, chunkSizeDATA);
} else if (pFormat->container == ma_dr_wav_container_w64) {
ma_uint64 chunkSizeDATA = 24 + initialDataChunkSize;
runningPos += ma_dr_wav__write(pWav, ma_dr_wavGUID_W64_DATA, 16);
runningPos += ma_dr_wav__write_u64ne_to_le(pWav, chunkSizeDATA);
} else if (pFormat->container == ma_dr_wav_container_rf64) {
runningPos += ma_dr_wav__write(pWav, "data", 4);
runningPos += ma_dr_wav__write_u32ne_to_le(pWav, 0xFFFFFFFF);
}
pWav->container = pFormat->container;
pWav->channels = (ma_uint16)pFormat->channels;
pWav->sampleRate = pFormat->sampleRate;
pWav->bitsPerSample = (ma_uint16)pFormat->bitsPerSample;
pWav->translatedFormatTag = (ma_uint16)pFormat->format;
pWav->dataChunkDataPos = runningPos;
return MA_TRUE;
}
MA_API ma_bool32 ma_dr_wav_init_write(ma_dr_wav* pWav, const ma_dr_wav_data_format* pFormat, ma_dr_wav_write_proc onWrite, ma_dr_wav_seek_proc onSeek, void* pUserData, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (!ma_dr_wav_preinit_write(pWav, pFormat, MA_FALSE, onWrite, onSeek, pUserData, pAllocationCallbacks)) {
return MA_FALSE;
}
return ma_dr_wav_init_write__internal(pWav, pFormat, 0);
}
MA_API ma_bool32 ma_dr_wav_init_write_sequential(ma_dr_wav* pWav, const ma_dr_wav_data_format* pFormat, ma_uint64 totalSampleCount, ma_dr_wav_write_proc onWrite, void* pUserData, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (!ma_dr_wav_preinit_write(pWav, pFormat, MA_TRUE, onWrite, NULL, pUserData, pAllocationCallbacks)) {
return MA_FALSE;
}
return ma_dr_wav_init_write__internal(pWav, pFormat, totalSampleCount);
}
MA_API ma_bool32 ma_dr_wav_init_write_sequential_pcm_frames(ma_dr_wav* pWav, const ma_dr_wav_data_format* pFormat, ma_uint64 totalPCMFrameCount, ma_dr_wav_write_proc onWrite, void* pUserData, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pFormat == NULL) {
return MA_FALSE;
}
return ma_dr_wav_init_write_sequential(pWav, pFormat, totalPCMFrameCount*pFormat->channels, onWrite, pUserData, pAllocationCallbacks);
}
MA_API ma_bool32 ma_dr_wav_init_write_with_metadata(ma_dr_wav* pWav, const ma_dr_wav_data_format* pFormat, ma_dr_wav_write_proc onWrite, ma_dr_wav_seek_proc onSeek, void* pUserData, const ma_allocation_callbacks* pAllocationCallbacks, ma_dr_wav_metadata* pMetadata, ma_uint32 metadataCount)
{
if (!ma_dr_wav_preinit_write(pWav, pFormat, MA_FALSE, onWrite, onSeek, pUserData, pAllocationCallbacks)) {
return MA_FALSE;
}
pWav->pMetadata = pMetadata;
pWav->metadataCount = metadataCount;
return ma_dr_wav_init_write__internal(pWav, pFormat, 0);
}
MA_API ma_uint64 ma_dr_wav_target_write_size_bytes(const ma_dr_wav_data_format* pFormat, ma_uint64 totalFrameCount, ma_dr_wav_metadata* pMetadata, ma_uint32 metadataCount)
{
ma_uint64 targetDataSizeBytes = (ma_uint64)((ma_int64)totalFrameCount * pFormat->channels * pFormat->bitsPerSample/8.0);
ma_uint64 riffChunkSizeBytes;
ma_uint64 fileSizeBytes = 0;
if (pFormat->container == ma_dr_wav_container_riff) {
riffChunkSizeBytes = ma_dr_wav__riff_chunk_size_riff(targetDataSizeBytes, pMetadata, metadataCount);
fileSizeBytes = (8 + riffChunkSizeBytes);
} else if (pFormat->container == ma_dr_wav_container_w64) {
riffChunkSizeBytes = ma_dr_wav__riff_chunk_size_w64(targetDataSizeBytes);
fileSizeBytes = riffChunkSizeBytes;
} else if (pFormat->container == ma_dr_wav_container_rf64) {
riffChunkSizeBytes = ma_dr_wav__riff_chunk_size_rf64(targetDataSizeBytes, pMetadata, metadataCount);
fileSizeBytes = (8 + riffChunkSizeBytes);
}
return fileSizeBytes;
}
#ifndef MA_DR_WAV_NO_STDIO
MA_PRIVATE size_t ma_dr_wav__on_read_stdio(void* pUserData, void* pBufferOut, size_t bytesToRead)
{
return fread(pBufferOut, 1, bytesToRead, (FILE*)pUserData);
}
MA_PRIVATE size_t ma_dr_wav__on_write_stdio(void* pUserData, const void* pData, size_t bytesToWrite)
{
return fwrite(pData, 1, bytesToWrite, (FILE*)pUserData);
}
MA_PRIVATE ma_bool32 ma_dr_wav__on_seek_stdio(void* pUserData, int offset, ma_dr_wav_seek_origin origin)
{
int whence = SEEK_SET;
if (origin == MA_DR_WAV_SEEK_CUR) {
whence = SEEK_CUR;
} else if (origin == MA_DR_WAV_SEEK_END) {
whence = SEEK_END;
}
return fseek((FILE*)pUserData, offset, whence) == 0;
}
MA_PRIVATE ma_bool32 ma_dr_wav__on_tell_stdio(void* pUserData, ma_int64* pCursor)
{
FILE* pFileStdio = (FILE*)pUserData;
ma_int64 result;
MA_DR_WAV_ASSERT(pFileStdio != NULL);
MA_DR_WAV_ASSERT(pCursor != NULL);
#if defined(_WIN32) && !defined(NXDK)
#if defined(_MSC_VER) && _MSC_VER > 1200
result = _ftelli64(pFileStdio);
#else
result = ftell(pFileStdio);
#endif
#else
result = ftell(pFileStdio);
#endif
*pCursor = result;
return MA_TRUE;
}
MA_API ma_bool32 ma_dr_wav_init_file(ma_dr_wav* pWav, const char* filename, const ma_allocation_callbacks* pAllocationCallbacks)
{
return ma_dr_wav_init_file_ex(pWav, filename, NULL, NULL, 0, pAllocationCallbacks);
}
MA_PRIVATE ma_bool32 ma_dr_wav_init_file__internal_FILE(ma_dr_wav* pWav, FILE* pFile, ma_dr_wav_chunk_proc onChunk, void* pChunkUserData, ma_uint32 flags, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_bool32 result;
result = ma_dr_wav_preinit(pWav, ma_dr_wav__on_read_stdio, ma_dr_wav__on_seek_stdio, ma_dr_wav__on_tell_stdio, (void*)pFile, pAllocationCallbacks);
if (result != MA_TRUE) {
fclose(pFile);
return result;
}
result = ma_dr_wav_init__internal(pWav, onChunk, pChunkUserData, flags);
if (result != MA_TRUE) {
fclose(pFile);
return result;
}
return MA_TRUE;
}
MA_API ma_bool32 ma_dr_wav_init_file_ex(ma_dr_wav* pWav, const char* filename, ma_dr_wav_chunk_proc onChunk, void* pChunkUserData, ma_uint32 flags, const ma_allocation_callbacks* pAllocationCallbacks)
{
FILE* pFile;
if (ma_fopen(&pFile, filename, "rb") != MA_SUCCESS) {
return MA_FALSE;
}
return ma_dr_wav_init_file__internal_FILE(pWav, pFile, onChunk, pChunkUserData, flags, pAllocationCallbacks);
}
#ifndef MA_DR_WAV_NO_WCHAR
MA_API ma_bool32 ma_dr_wav_init_file_w(ma_dr_wav* pWav, const wchar_t* filename, const ma_allocation_callbacks* pAllocationCallbacks)
{
return ma_dr_wav_init_file_ex_w(pWav, filename, NULL, NULL, 0, pAllocationCallbacks);
}
MA_API ma_bool32 ma_dr_wav_init_file_ex_w(ma_dr_wav* pWav, const wchar_t* filename, ma_dr_wav_chunk_proc onChunk, void* pChunkUserData, ma_uint32 flags, const ma_allocation_callbacks* pAllocationCallbacks)
{
FILE* pFile;
if (ma_wfopen(&pFile, filename, L"rb", pAllocationCallbacks) != MA_SUCCESS) {
return MA_FALSE;
}
return ma_dr_wav_init_file__internal_FILE(pWav, pFile, onChunk, pChunkUserData, flags, pAllocationCallbacks);
}
#endif
MA_API ma_bool32 ma_dr_wav_init_file_with_metadata(ma_dr_wav* pWav, const char* filename, ma_uint32 flags, const ma_allocation_callbacks* pAllocationCallbacks)
{
FILE* pFile;
if (ma_fopen(&pFile, filename, "rb") != MA_SUCCESS) {
return MA_FALSE;
}
return ma_dr_wav_init_file__internal_FILE(pWav, pFile, NULL, NULL, flags | MA_DR_WAV_WITH_METADATA, pAllocationCallbacks);
}
#ifndef MA_DR_WAV_NO_WCHAR
MA_API ma_bool32 ma_dr_wav_init_file_with_metadata_w(ma_dr_wav* pWav, const wchar_t* filename, ma_uint32 flags, const ma_allocation_callbacks* pAllocationCallbacks)
{
FILE* pFile;
if (ma_wfopen(&pFile, filename, L"rb", pAllocationCallbacks) != MA_SUCCESS) {
return MA_FALSE;
}
return ma_dr_wav_init_file__internal_FILE(pWav, pFile, NULL, NULL, flags | MA_DR_WAV_WITH_METADATA, pAllocationCallbacks);
}
#endif
MA_PRIVATE ma_bool32 ma_dr_wav_init_file_write__internal_FILE(ma_dr_wav* pWav, FILE* pFile, const ma_dr_wav_data_format* pFormat, ma_uint64 totalSampleCount, ma_bool32 isSequential, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_bool32 result;
result = ma_dr_wav_preinit_write(pWav, pFormat, isSequential, ma_dr_wav__on_write_stdio, ma_dr_wav__on_seek_stdio, (void*)pFile, pAllocationCallbacks);
if (result != MA_TRUE) {
fclose(pFile);
return result;
}
result = ma_dr_wav_init_write__internal(pWav, pFormat, totalSampleCount);
if (result != MA_TRUE) {
fclose(pFile);
return result;
}
return MA_TRUE;
}
MA_PRIVATE ma_bool32 ma_dr_wav_init_file_write__internal(ma_dr_wav* pWav, const char* filename, const ma_dr_wav_data_format* pFormat, ma_uint64 totalSampleCount, ma_bool32 isSequential, const ma_allocation_callbacks* pAllocationCallbacks)
{
FILE* pFile;
if (ma_fopen(&pFile, filename, "wb") != MA_SUCCESS) {
return MA_FALSE;
}
return ma_dr_wav_init_file_write__internal_FILE(pWav, pFile, pFormat, totalSampleCount, isSequential, pAllocationCallbacks);
}
#ifndef MA_DR_WAV_NO_WCHAR
MA_PRIVATE ma_bool32 ma_dr_wav_init_file_write_w__internal(ma_dr_wav* pWav, const wchar_t* filename, const ma_dr_wav_data_format* pFormat, ma_uint64 totalSampleCount, ma_bool32 isSequential, const ma_allocation_callbacks* pAllocationCallbacks)
{
FILE* pFile;
if (ma_wfopen(&pFile, filename, L"wb", pAllocationCallbacks) != MA_SUCCESS) {
return MA_FALSE;
}
return ma_dr_wav_init_file_write__internal_FILE(pWav, pFile, pFormat, totalSampleCount, isSequential, pAllocationCallbacks);
}
#endif
MA_API ma_bool32 ma_dr_wav_init_file_write(ma_dr_wav* pWav, const char* filename, const ma_dr_wav_data_format* pFormat, const ma_allocation_callbacks* pAllocationCallbacks)
{
return ma_dr_wav_init_file_write__internal(pWav, filename, pFormat, 0, MA_FALSE, pAllocationCallbacks);
}
MA_API ma_bool32 ma_dr_wav_init_file_write_sequential(ma_dr_wav* pWav, const char* filename, const ma_dr_wav_data_format* pFormat, ma_uint64 totalSampleCount, const ma_allocation_callbacks* pAllocationCallbacks)
{
return ma_dr_wav_init_file_write__internal(pWav, filename, pFormat, totalSampleCount, MA_TRUE, pAllocationCallbacks);
}
MA_API ma_bool32 ma_dr_wav_init_file_write_sequential_pcm_frames(ma_dr_wav* pWav, const char* filename, const ma_dr_wav_data_format* pFormat, ma_uint64 totalPCMFrameCount, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pFormat == NULL) {
return MA_FALSE;
}
return ma_dr_wav_init_file_write_sequential(pWav, filename, pFormat, totalPCMFrameCount*pFormat->channels, pAllocationCallbacks);
}
#ifndef MA_DR_WAV_NO_WCHAR
MA_API ma_bool32 ma_dr_wav_init_file_write_w(ma_dr_wav* pWav, const wchar_t* filename, const ma_dr_wav_data_format* pFormat, const ma_allocation_callbacks* pAllocationCallbacks)
{
return ma_dr_wav_init_file_write_w__internal(pWav, filename, pFormat, 0, MA_FALSE, pAllocationCallbacks);
}
MA_API ma_bool32 ma_dr_wav_init_file_write_sequential_w(ma_dr_wav* pWav, const wchar_t* filename, const ma_dr_wav_data_format* pFormat, ma_uint64 totalSampleCount, const ma_allocation_callbacks* pAllocationCallbacks)
{
return ma_dr_wav_init_file_write_w__internal(pWav, filename, pFormat, totalSampleCount, MA_TRUE, pAllocationCallbacks);
}
MA_API ma_bool32 ma_dr_wav_init_file_write_sequential_pcm_frames_w(ma_dr_wav* pWav, const wchar_t* filename, const ma_dr_wav_data_format* pFormat, ma_uint64 totalPCMFrameCount, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pFormat == NULL) {
return MA_FALSE;
}
return ma_dr_wav_init_file_write_sequential_w(pWav, filename, pFormat, totalPCMFrameCount*pFormat->channels, pAllocationCallbacks);
}
#endif
#endif
MA_PRIVATE size_t ma_dr_wav__on_read_memory(void* pUserData, void* pBufferOut, size_t bytesToRead)
{
ma_dr_wav* pWav = (ma_dr_wav*)pUserData;
size_t bytesRemaining;
MA_DR_WAV_ASSERT(pWav != NULL);
MA_DR_WAV_ASSERT(pWav->memoryStream.dataSize >= pWav->memoryStream.currentReadPos);
bytesRemaining = pWav->memoryStream.dataSize - pWav->memoryStream.currentReadPos;
if (bytesToRead > bytesRemaining) {
bytesToRead = bytesRemaining;
}
if (bytesToRead > 0) {
MA_DR_WAV_COPY_MEMORY(pBufferOut, pWav->memoryStream.data + pWav->memoryStream.currentReadPos, bytesToRead);
pWav->memoryStream.currentReadPos += bytesToRead;
}
return bytesToRead;
}
MA_PRIVATE ma_bool32 ma_dr_wav__on_seek_memory(void* pUserData, int offset, ma_dr_wav_seek_origin origin)
{
ma_dr_wav* pWav = (ma_dr_wav*)pUserData;
ma_int64 newCursor;
MA_DR_WAV_ASSERT(pWav != NULL);
if (origin == MA_DR_WAV_SEEK_SET) {
newCursor = 0;
} else if (origin == MA_DR_WAV_SEEK_CUR) {
newCursor = (ma_int64)pWav->memoryStream.currentReadPos;
} else if (origin == MA_DR_WAV_SEEK_END) {
newCursor = (ma_int64)pWav->memoryStream.dataSize;
} else {
MA_DR_WAV_ASSERT(!"Invalid seek origin");
return MA_FALSE;
}
newCursor += offset;
if (newCursor < 0) {
return MA_FALSE;
}
if ((size_t)newCursor > pWav->memoryStream.dataSize) {
return MA_FALSE;
}
pWav->memoryStream.currentReadPos = (size_t)newCursor;
return MA_TRUE;
}
MA_PRIVATE size_t ma_dr_wav__on_write_memory(void* pUserData, const void* pDataIn, size_t bytesToWrite)
{
ma_dr_wav* pWav = (ma_dr_wav*)pUserData;
size_t bytesRemaining;
MA_DR_WAV_ASSERT(pWav != NULL);
MA_DR_WAV_ASSERT(pWav->memoryStreamWrite.dataCapacity >= pWav->memoryStreamWrite.currentWritePos);
bytesRemaining = pWav->memoryStreamWrite.dataCapacity - pWav->memoryStreamWrite.currentWritePos;
if (bytesRemaining < bytesToWrite) {
void* pNewData;
size_t newDataCapacity = (pWav->memoryStreamWrite.dataCapacity == 0) ? 256 : pWav->memoryStreamWrite.dataCapacity * 2;
if ((newDataCapacity - pWav->memoryStreamWrite.currentWritePos) < bytesToWrite) {
newDataCapacity = pWav->memoryStreamWrite.currentWritePos + bytesToWrite;
}
pNewData = ma_dr_wav__realloc_from_callbacks(*pWav->memoryStreamWrite.ppData, newDataCapacity, pWav->memoryStreamWrite.dataCapacity, &pWav->allocationCallbacks);
if (pNewData == NULL) {
return 0;
}
*pWav->memoryStreamWrite.ppData = pNewData;
pWav->memoryStreamWrite.dataCapacity = newDataCapacity;
}
MA_DR_WAV_COPY_MEMORY(((ma_uint8*)(*pWav->memoryStreamWrite.ppData)) + pWav->memoryStreamWrite.currentWritePos, pDataIn, bytesToWrite);
pWav->memoryStreamWrite.currentWritePos += bytesToWrite;
if (pWav->memoryStreamWrite.dataSize < pWav->memoryStreamWrite.currentWritePos) {
pWav->memoryStreamWrite.dataSize = pWav->memoryStreamWrite.currentWritePos;
}
*pWav->memoryStreamWrite.pDataSize = pWav->memoryStreamWrite.dataSize;
return bytesToWrite;
}
MA_PRIVATE ma_bool32 ma_dr_wav__on_seek_memory_write(void* pUserData, int offset, ma_dr_wav_seek_origin origin)
{
ma_dr_wav* pWav = (ma_dr_wav*)pUserData;
ma_int64 newCursor;
MA_DR_WAV_ASSERT(pWav != NULL);
if (origin == MA_DR_WAV_SEEK_SET) {
newCursor = 0;
} else if (origin == MA_DR_WAV_SEEK_CUR) {
newCursor = (ma_int64)pWav->memoryStreamWrite.currentWritePos;
} else if (origin == MA_DR_WAV_SEEK_END) {
newCursor = (ma_int64)pWav->memoryStreamWrite.dataSize;
} else {
MA_DR_WAV_ASSERT(!"Invalid seek origin");
return MA_FALSE;
}
newCursor += offset;
if (newCursor < 0) {
return MA_FALSE;
}
if ((size_t)newCursor > pWav->memoryStreamWrite.dataSize) {
return MA_FALSE;
}
pWav->memoryStreamWrite.currentWritePos = (size_t)newCursor;
return MA_TRUE;
}
MA_PRIVATE ma_bool32 ma_dr_wav__on_tell_memory(void* pUserData, ma_int64* pCursor)
{
ma_dr_wav* pWav = (ma_dr_wav*)pUserData;
MA_DR_WAV_ASSERT(pWav != NULL);
MA_DR_WAV_ASSERT(pCursor != NULL);
*pCursor = (ma_int64)pWav->memoryStream.currentReadPos;
return MA_TRUE;
}
MA_API ma_bool32 ma_dr_wav_init_memory(ma_dr_wav* pWav, const void* data, size_t dataSize, const ma_allocation_callbacks* pAllocationCallbacks)
{
return ma_dr_wav_init_memory_ex(pWav, data, dataSize, NULL, NULL, 0, pAllocationCallbacks);
}
MA_API ma_bool32 ma_dr_wav_init_memory_ex(ma_dr_wav* pWav, const void* data, size_t dataSize, ma_dr_wav_chunk_proc onChunk, void* pChunkUserData, ma_uint32 flags, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (data == NULL || dataSize == 0) {
return MA_FALSE;
}
if (!ma_dr_wav_preinit(pWav, ma_dr_wav__on_read_memory, ma_dr_wav__on_seek_memory, ma_dr_wav__on_tell_memory, pWav, pAllocationCallbacks)) {
return MA_FALSE;
}
pWav->memoryStream.data = (const ma_uint8*)data;
pWav->memoryStream.dataSize = dataSize;
pWav->memoryStream.currentReadPos = 0;
return ma_dr_wav_init__internal(pWav, onChunk, pChunkUserData, flags);
}
MA_API ma_bool32 ma_dr_wav_init_memory_with_metadata(ma_dr_wav* pWav, const void* data, size_t dataSize, ma_uint32 flags, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (data == NULL || dataSize == 0) {
return MA_FALSE;
}
if (!ma_dr_wav_preinit(pWav, ma_dr_wav__on_read_memory, ma_dr_wav__on_seek_memory, ma_dr_wav__on_tell_memory, pWav, pAllocationCallbacks)) {
return MA_FALSE;
}
pWav->memoryStream.data = (const ma_uint8*)data;
pWav->memoryStream.dataSize = dataSize;
pWav->memoryStream.currentReadPos = 0;
return ma_dr_wav_init__internal(pWav, NULL, NULL, flags | MA_DR_WAV_WITH_METADATA);
}
MA_PRIVATE ma_bool32 ma_dr_wav_init_memory_write__internal(ma_dr_wav* pWav, void** ppData, size_t* pDataSize, const ma_dr_wav_data_format* pFormat, ma_uint64 totalSampleCount, ma_bool32 isSequential, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (ppData == NULL || pDataSize == NULL) {
return MA_FALSE;
}
*ppData = NULL;
*pDataSize = 0;
if (!ma_dr_wav_preinit_write(pWav, pFormat, isSequential, ma_dr_wav__on_write_memory, ma_dr_wav__on_seek_memory_write, pWav, pAllocationCallbacks)) {
return MA_FALSE;
}
pWav->memoryStreamWrite.ppData = ppData;
pWav->memoryStreamWrite.pDataSize = pDataSize;
pWav->memoryStreamWrite.dataSize = 0;
pWav->memoryStreamWrite.dataCapacity = 0;
pWav->memoryStreamWrite.currentWritePos = 0;
return ma_dr_wav_init_write__internal(pWav, pFormat, totalSampleCount);
}
MA_API ma_bool32 ma_dr_wav_init_memory_write(ma_dr_wav* pWav, void** ppData, size_t* pDataSize, const ma_dr_wav_data_format* pFormat, const ma_allocation_callbacks* pAllocationCallbacks)
{
return ma_dr_wav_init_memory_write__internal(pWav, ppData, pDataSize, pFormat, 0, MA_FALSE, pAllocationCallbacks);
}
MA_API ma_bool32 ma_dr_wav_init_memory_write_sequential(ma_dr_wav* pWav, void** ppData, size_t* pDataSize, const ma_dr_wav_data_format* pFormat, ma_uint64 totalSampleCount, const ma_allocation_callbacks* pAllocationCallbacks)
{
return ma_dr_wav_init_memory_write__internal(pWav, ppData, pDataSize, pFormat, totalSampleCount, MA_TRUE, pAllocationCallbacks);
}
MA_API ma_bool32 ma_dr_wav_init_memory_write_sequential_pcm_frames(ma_dr_wav* pWav, void** ppData, size_t* pDataSize, const ma_dr_wav_data_format* pFormat, ma_uint64 totalPCMFrameCount, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pFormat == NULL) {
return MA_FALSE;
}
return ma_dr_wav_init_memory_write_sequential(pWav, ppData, pDataSize, pFormat, totalPCMFrameCount*pFormat->channels, pAllocationCallbacks);
}
MA_API ma_result ma_dr_wav_uninit(ma_dr_wav* pWav)
{
ma_result result = MA_SUCCESS;
if (pWav == NULL) {
return MA_INVALID_ARGS;
}
if (pWav->onWrite != NULL) {
ma_uint32 paddingSize = 0;
if (pWav->container == ma_dr_wav_container_riff || pWav->container == ma_dr_wav_container_rf64) {
paddingSize = ma_dr_wav__chunk_padding_size_riff(pWav->dataChunkDataSize);
} else {
paddingSize = ma_dr_wav__chunk_padding_size_w64(pWav->dataChunkDataSize);
}
if (paddingSize > 0) {
ma_uint64 paddingData = 0;
ma_dr_wav__write(pWav, &paddingData, paddingSize);
}
if (pWav->onSeek && !pWav->isSequentialWrite) {
if (pWav->container == ma_dr_wav_container_riff) {
if (pWav->onSeek(pWav->pUserData, 4, MA_DR_WAV_SEEK_SET)) {
ma_uint32 riffChunkSize = ma_dr_wav__riff_chunk_size_riff(pWav->dataChunkDataSize, pWav->pMetadata, pWav->metadataCount);
ma_dr_wav__write_u32ne_to_le(pWav, riffChunkSize);
}
if (pWav->onSeek(pWav->pUserData, (int)pWav->dataChunkDataPos - 4, MA_DR_WAV_SEEK_SET)) {
ma_uint32 dataChunkSize = ma_dr_wav__data_chunk_size_riff(pWav->dataChunkDataSize);
ma_dr_wav__write_u32ne_to_le(pWav, dataChunkSize);
}
} else if (pWav->container == ma_dr_wav_container_w64) {
if (pWav->onSeek(pWav->pUserData, 16, MA_DR_WAV_SEEK_SET)) {
ma_uint64 riffChunkSize = ma_dr_wav__riff_chunk_size_w64(pWav->dataChunkDataSize);
ma_dr_wav__write_u64ne_to_le(pWav, riffChunkSize);
}
if (pWav->onSeek(pWav->pUserData, (int)pWav->dataChunkDataPos - 8, MA_DR_WAV_SEEK_SET)) {
ma_uint64 dataChunkSize = ma_dr_wav__data_chunk_size_w64(pWav->dataChunkDataSize);
ma_dr_wav__write_u64ne_to_le(pWav, dataChunkSize);
}
} else if (pWav->container == ma_dr_wav_container_rf64) {
int ds64BodyPos = 12 + 8;
if (pWav->onSeek(pWav->pUserData, ds64BodyPos + 0, MA_DR_WAV_SEEK_SET)) {
ma_uint64 riffChunkSize = ma_dr_wav__riff_chunk_size_rf64(pWav->dataChunkDataSize, pWav->pMetadata, pWav->metadataCount);
ma_dr_wav__write_u64ne_to_le(pWav, riffChunkSize);
}
if (pWav->onSeek(pWav->pUserData, ds64BodyPos + 8, MA_DR_WAV_SEEK_SET)) {
ma_uint64 dataChunkSize = ma_dr_wav__data_chunk_size_rf64(pWav->dataChunkDataSize);
ma_dr_wav__write_u64ne_to_le(pWav, dataChunkSize);
}
}
}
if (pWav->isSequentialWrite) {
if (pWav->dataChunkDataSize != pWav->dataChunkDataSizeTargetWrite) {
result = MA_INVALID_FILE;
}
}
} else {
ma_dr_wav_free(pWav->pMetadata, &pWav->allocationCallbacks);
}
#ifndef MA_DR_WAV_NO_STDIO
if (pWav->onRead == ma_dr_wav__on_read_stdio || pWav->onWrite == ma_dr_wav__on_write_stdio) {
fclose((FILE*)pWav->pUserData);
}
#endif
return result;
}
MA_API size_t ma_dr_wav_read_raw(ma_dr_wav* pWav, size_t bytesToRead, void* pBufferOut)
{
size_t bytesRead;
ma_uint32 bytesPerFrame;
if (pWav == NULL || bytesToRead == 0) {
return 0;
}
if (bytesToRead > pWav->bytesRemaining) {
bytesToRead = (size_t)pWav->bytesRemaining;
}
if (bytesToRead == 0) {
return 0;
}
bytesPerFrame = ma_dr_wav_get_bytes_per_pcm_frame(pWav);
if (bytesPerFrame == 0) {
return 0;
}
if (pBufferOut != NULL) {
bytesRead = pWav->onRead(pWav->pUserData, pBufferOut, bytesToRead);
} else {
bytesRead = 0;
while (bytesRead < bytesToRead) {
size_t bytesToSeek = (bytesToRead - bytesRead);
if (bytesToSeek > 0x7FFFFFFF) {
bytesToSeek = 0x7FFFFFFF;
}
if (pWav->onSeek(pWav->pUserData, (int)bytesToSeek, MA_DR_WAV_SEEK_CUR) == MA_FALSE) {
break;
}
bytesRead += bytesToSeek;
}
while (bytesRead < bytesToRead) {
ma_uint8 buffer[4096];
size_t bytesSeeked;
size_t bytesToSeek = (bytesToRead - bytesRead);
if (bytesToSeek > sizeof(buffer)) {
bytesToSeek = sizeof(buffer);
}
bytesSeeked = pWav->onRead(pWav->pUserData, buffer, bytesToSeek);
bytesRead += bytesSeeked;
if (bytesSeeked < bytesToSeek) {
break;
}
}
}
pWav->readCursorInPCMFrames += bytesRead / bytesPerFrame;
pWav->bytesRemaining -= bytesRead;
return bytesRead;
}
MA_API ma_uint64 ma_dr_wav_read_pcm_frames_le(ma_dr_wav* pWav, ma_uint64 framesToRead, void* pBufferOut)
{
ma_uint32 bytesPerFrame;
ma_uint64 bytesToRead;
ma_uint64 framesRemainingInFile;
if (pWav == NULL || framesToRead == 0) {
return 0;
}
if (ma_dr_wav__is_compressed_format_tag(pWav->translatedFormatTag)) {
return 0;
}
framesRemainingInFile = pWav->totalPCMFrameCount - pWav->readCursorInPCMFrames;
if (framesToRead > framesRemainingInFile) {
framesToRead = framesRemainingInFile;
}
bytesPerFrame = ma_dr_wav_get_bytes_per_pcm_frame(pWav);
if (bytesPerFrame == 0) {
return 0;
}
bytesToRead = framesToRead * bytesPerFrame;
if (bytesToRead > MA_SIZE_MAX) {
bytesToRead = (MA_SIZE_MAX / bytesPerFrame) * bytesPerFrame;
}
if (bytesToRead == 0) {
return 0;
}
return ma_dr_wav_read_raw(pWav, (size_t)bytesToRead, pBufferOut) / bytesPerFrame;
}
MA_API ma_uint64 ma_dr_wav_read_pcm_frames_be(ma_dr_wav* pWav, ma_uint64 framesToRead, void* pBufferOut)
{
ma_uint64 framesRead = ma_dr_wav_read_pcm_frames_le(pWav, framesToRead, pBufferOut);
if (pBufferOut != NULL) {
ma_uint32 bytesPerFrame = ma_dr_wav_get_bytes_per_pcm_frame(pWav);
if (bytesPerFrame == 0) {
return 0;
}
ma_dr_wav__bswap_samples(pBufferOut, framesRead*pWav->channels, bytesPerFrame/pWav->channels);
}
return framesRead;
}
MA_API ma_uint64 ma_dr_wav_read_pcm_frames(ma_dr_wav* pWav, ma_uint64 framesToRead, void* pBufferOut)
{
ma_uint64 framesRead = 0;
if (ma_dr_wav_is_container_be(pWav->container)) {
if (pWav->container != ma_dr_wav_container_aiff || pWav->aiff.isLE == MA_FALSE) {
if (ma_dr_wav__is_little_endian()) {
framesRead = ma_dr_wav_read_pcm_frames_be(pWav, framesToRead, pBufferOut);
} else {
framesRead = ma_dr_wav_read_pcm_frames_le(pWav, framesToRead, pBufferOut);
}
goto post_process;
}
}
if (ma_dr_wav__is_little_endian()) {
framesRead = ma_dr_wav_read_pcm_frames_le(pWav, framesToRead, pBufferOut);
} else {
framesRead = ma_dr_wav_read_pcm_frames_be(pWav, framesToRead, pBufferOut);
}
post_process:
{
if (pWav->container == ma_dr_wav_container_aiff && pWav->bitsPerSample == 8 && pWav->aiff.isUnsigned == MA_FALSE) {
if (pBufferOut != NULL) {
ma_uint64 iSample;
for (iSample = 0; iSample < framesRead * pWav->channels; iSample += 1) {
((ma_uint8*)pBufferOut)[iSample] += 128;
}
}
}
}
return framesRead;
}
MA_PRIVATE ma_bool32 ma_dr_wav_seek_to_first_pcm_frame(ma_dr_wav* pWav)
{
if (pWav->onWrite != NULL) {
return MA_FALSE;
}
if (!pWav->onSeek(pWav->pUserData, (int)pWav->dataChunkDataPos, MA_DR_WAV_SEEK_SET)) {
return MA_FALSE;
}
if (ma_dr_wav__is_compressed_format_tag(pWav->translatedFormatTag)) {
if (pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_ADPCM) {
MA_DR_WAV_ZERO_OBJECT(&pWav->msadpcm);
} else if (pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_DVI_ADPCM) {
MA_DR_WAV_ZERO_OBJECT(&pWav->ima);
} else {
MA_DR_WAV_ASSERT(MA_FALSE);
}
}
pWav->readCursorInPCMFrames = 0;
pWav->bytesRemaining = pWav->dataChunkDataSize;
return MA_TRUE;
}
MA_API ma_bool32 ma_dr_wav_seek_to_pcm_frame(ma_dr_wav* pWav, ma_uint64 targetFrameIndex)
{
if (pWav == NULL || pWav->onSeek == NULL) {
return MA_FALSE;
}
if (pWav->onWrite != NULL) {
return MA_FALSE;
}
if (pWav->totalPCMFrameCount == 0) {
return MA_TRUE;
}
if (targetFrameIndex > pWav->totalPCMFrameCount) {
targetFrameIndex = pWav->totalPCMFrameCount;
}
if (ma_dr_wav__is_compressed_format_tag(pWav->translatedFormatTag)) {
if (targetFrameIndex < pWav->readCursorInPCMFrames) {
if (!ma_dr_wav_seek_to_first_pcm_frame(pWav)) {
return MA_FALSE;
}
}
if (targetFrameIndex > pWav->readCursorInPCMFrames) {
ma_uint64 offsetInFrames = targetFrameIndex - pWav->readCursorInPCMFrames;
ma_int16 devnull[2048];
while (offsetInFrames > 0) {
ma_uint64 framesRead = 0;
ma_uint64 framesToRead = offsetInFrames;
if (framesToRead > ma_dr_wav_countof(devnull)/pWav->channels) {
framesToRead = ma_dr_wav_countof(devnull)/pWav->channels;
}
if (pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_ADPCM) {
framesRead = ma_dr_wav_read_pcm_frames_s16__msadpcm(pWav, framesToRead, devnull);
} else if (pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_DVI_ADPCM) {
framesRead = ma_dr_wav_read_pcm_frames_s16__ima(pWav, framesToRead, devnull);
} else {
MA_DR_WAV_ASSERT(MA_FALSE);
}
if (framesRead != framesToRead) {
return MA_FALSE;
}
offsetInFrames -= framesRead;
}
}
} else {
ma_uint64 totalSizeInBytes;
ma_uint64 currentBytePos;
ma_uint64 targetBytePos;
ma_uint64 offset;
ma_uint32 bytesPerFrame;
bytesPerFrame = ma_dr_wav_get_bytes_per_pcm_frame(pWav);
if (bytesPerFrame == 0) {
return MA_FALSE;
}
totalSizeInBytes = pWav->totalPCMFrameCount * bytesPerFrame;
currentBytePos = totalSizeInBytes - pWav->bytesRemaining;
targetBytePos = targetFrameIndex * bytesPerFrame;
if (currentBytePos < targetBytePos) {
offset = (targetBytePos - currentBytePos);
} else {
if (!ma_dr_wav_seek_to_first_pcm_frame(pWav)) {
return MA_FALSE;
}
offset = targetBytePos;
}
while (offset > 0) {
int offset32 = ((offset > INT_MAX) ? INT_MAX : (int)offset);
if (!pWav->onSeek(pWav->pUserData, offset32, MA_DR_WAV_SEEK_CUR)) {
return MA_FALSE;
}
pWav->readCursorInPCMFrames += offset32 / bytesPerFrame;
pWav->bytesRemaining -= offset32;
offset -= offset32;
}
}
return MA_TRUE;
}
MA_API ma_result ma_dr_wav_get_cursor_in_pcm_frames(ma_dr_wav* pWav, ma_uint64* pCursor)
{
if (pCursor == NULL) {
return MA_INVALID_ARGS;
}
*pCursor = 0;
if (pWav == NULL) {
return MA_INVALID_ARGS;
}
*pCursor = pWav->readCursorInPCMFrames;
return MA_SUCCESS;
}
MA_API ma_result ma_dr_wav_get_length_in_pcm_frames(ma_dr_wav* pWav, ma_uint64* pLength)
{
if (pLength == NULL) {
return MA_INVALID_ARGS;
}
*pLength = 0;
if (pWav == NULL) {
return MA_INVALID_ARGS;
}
*pLength = pWav->totalPCMFrameCount;
return MA_SUCCESS;
}
MA_API size_t ma_dr_wav_write_raw(ma_dr_wav* pWav, size_t bytesToWrite, const void* pData)
{
size_t bytesWritten;
if (pWav == NULL || bytesToWrite == 0 || pData == NULL) {
return 0;
}
bytesWritten = pWav->onWrite(pWav->pUserData, pData, bytesToWrite);
pWav->dataChunkDataSize += bytesWritten;
return bytesWritten;
}
MA_API ma_uint64 ma_dr_wav_write_pcm_frames_le(ma_dr_wav* pWav, ma_uint64 framesToWrite, const void* pData)
{
ma_uint64 bytesToWrite;
ma_uint64 bytesWritten;
const ma_uint8* pRunningData;
if (pWav == NULL || framesToWrite == 0 || pData == NULL) {
return 0;
}
bytesToWrite = ((framesToWrite * pWav->channels * pWav->bitsPerSample) / 8);
if (bytesToWrite > MA_SIZE_MAX) {
return 0;
}
bytesWritten = 0;
pRunningData = (const ma_uint8*)pData;
while (bytesToWrite > 0) {
size_t bytesJustWritten;
ma_uint64 bytesToWriteThisIteration;
bytesToWriteThisIteration = bytesToWrite;
MA_DR_WAV_ASSERT(bytesToWriteThisIteration <= MA_SIZE_MAX);
bytesJustWritten = ma_dr_wav_write_raw(pWav, (size_t)bytesToWriteThisIteration, pRunningData);
if (bytesJustWritten == 0) {
break;
}
bytesToWrite -= bytesJustWritten;
bytesWritten += bytesJustWritten;
pRunningData += bytesJustWritten;
}
return (bytesWritten * 8) / pWav->bitsPerSample / pWav->channels;
}
MA_API ma_uint64 ma_dr_wav_write_pcm_frames_be(ma_dr_wav* pWav, ma_uint64 framesToWrite, const void* pData)
{
ma_uint64 bytesToWrite;
ma_uint64 bytesWritten;
ma_uint32 bytesPerSample;
const ma_uint8* pRunningData;
if (pWav == NULL || framesToWrite == 0 || pData == NULL) {
return 0;
}
bytesToWrite = ((framesToWrite * pWav->channels * pWav->bitsPerSample) / 8);
if (bytesToWrite > MA_SIZE_MAX) {
return 0;
}
bytesWritten = 0;
pRunningData = (const ma_uint8*)pData;
bytesPerSample = ma_dr_wav_get_bytes_per_pcm_frame(pWav) / pWav->channels;
if (bytesPerSample == 0) {
return 0;
}
while (bytesToWrite > 0) {
ma_uint8 temp[4096];
ma_uint32 sampleCount;
size_t bytesJustWritten;
ma_uint64 bytesToWriteThisIteration;
bytesToWriteThisIteration = bytesToWrite;
MA_DR_WAV_ASSERT(bytesToWriteThisIteration <= MA_SIZE_MAX);
sampleCount = sizeof(temp)/bytesPerSample;
if (bytesToWriteThisIteration > ((ma_uint64)sampleCount)*bytesPerSample) {
bytesToWriteThisIteration = ((ma_uint64)sampleCount)*bytesPerSample;
}
MA_DR_WAV_COPY_MEMORY(temp, pRunningData, (size_t)bytesToWriteThisIteration);
ma_dr_wav__bswap_samples(temp, sampleCount, bytesPerSample);
bytesJustWritten = ma_dr_wav_write_raw(pWav, (size_t)bytesToWriteThisIteration, temp);
if (bytesJustWritten == 0) {
break;
}
bytesToWrite -= bytesJustWritten;
bytesWritten += bytesJustWritten;
pRunningData += bytesJustWritten;
}
return (bytesWritten * 8) / pWav->bitsPerSample / pWav->channels;
}
MA_API ma_uint64 ma_dr_wav_write_pcm_frames(ma_dr_wav* pWav, ma_uint64 framesToWrite, const void* pData)
{
if (ma_dr_wav__is_little_endian()) {
return ma_dr_wav_write_pcm_frames_le(pWav, framesToWrite, pData);
} else {
return ma_dr_wav_write_pcm_frames_be(pWav, framesToWrite, pData);
}
}
MA_PRIVATE ma_uint64 ma_dr_wav_read_pcm_frames_s16__msadpcm(ma_dr_wav* pWav, ma_uint64 framesToRead, ma_int16* pBufferOut)
{
ma_uint64 totalFramesRead = 0;
static const ma_int32 adaptationTable[] = {
230, 230, 230, 230, 307, 409, 512, 614,
768, 614, 512, 409, 307, 230, 230, 230
};
static const ma_int32 coeff1Table[] = { 256, 512, 0, 192, 240, 460, 392 };
static const ma_int32 coeff2Table[] = { 0, -256, 0, 64, 0, -208, -232 };
MA_DR_WAV_ASSERT(pWav != NULL);
MA_DR_WAV_ASSERT(framesToRead > 0);
while (pWav->readCursorInPCMFrames < pWav->totalPCMFrameCount) {
MA_DR_WAV_ASSERT(framesToRead > 0);
if (pWav->msadpcm.cachedFrameCount == 0 && pWav->msadpcm.bytesRemainingInBlock == 0) {
if (pWav->channels == 1) {
ma_uint8 header[7];
if (pWav->onRead(pWav->pUserData, header, sizeof(header)) != sizeof(header)) {
return totalFramesRead;
}
pWav->msadpcm.bytesRemainingInBlock = pWav->fmt.blockAlign - sizeof(header);
pWav->msadpcm.predictor[0] = header[0];
pWav->msadpcm.delta[0] = ma_dr_wav_bytes_to_s16(header + 1);
pWav->msadpcm.prevFrames[0][1] = (ma_int32)ma_dr_wav_bytes_to_s16(header + 3);
pWav->msadpcm.prevFrames[0][0] = (ma_int32)ma_dr_wav_bytes_to_s16(header + 5);
pWav->msadpcm.cachedFrames[2] = pWav->msadpcm.prevFrames[0][0];
pWav->msadpcm.cachedFrames[3] = pWav->msadpcm.prevFrames[0][1];
pWav->msadpcm.cachedFrameCount = 2;
if (pWav->msadpcm.predictor[0] >= ma_dr_wav_countof(coeff1Table) || pWav->msadpcm.predictor[0] >= ma_dr_wav_countof(coeff2Table)) {
return totalFramesRead;
}
} else {
ma_uint8 header[14];
if (pWav->onRead(pWav->pUserData, header, sizeof(header)) != sizeof(header)) {
return totalFramesRead;
}
pWav->msadpcm.bytesRemainingInBlock = pWav->fmt.blockAlign - sizeof(header);
pWav->msadpcm.predictor[0] = header[0];
pWav->msadpcm.predictor[1] = header[1];
pWav->msadpcm.delta[0] = ma_dr_wav_bytes_to_s16(header + 2);
pWav->msadpcm.delta[1] = ma_dr_wav_bytes_to_s16(header + 4);
pWav->msadpcm.prevFrames[0][1] = (ma_int32)ma_dr_wav_bytes_to_s16(header + 6);
pWav->msadpcm.prevFrames[1][1] = (ma_int32)ma_dr_wav_bytes_to_s16(header + 8);
pWav->msadpcm.prevFrames[0][0] = (ma_int32)ma_dr_wav_bytes_to_s16(header + 10);
pWav->msadpcm.prevFrames[1][0] = (ma_int32)ma_dr_wav_bytes_to_s16(header + 12);
pWav->msadpcm.cachedFrames[0] = pWav->msadpcm.prevFrames[0][0];
pWav->msadpcm.cachedFrames[1] = pWav->msadpcm.prevFrames[1][0];
pWav->msadpcm.cachedFrames[2] = pWav->msadpcm.prevFrames[0][1];
pWav->msadpcm.cachedFrames[3] = pWav->msadpcm.prevFrames[1][1];
pWav->msadpcm.cachedFrameCount = 2;
if (pWav->msadpcm.predictor[0] >= ma_dr_wav_countof(coeff1Table) || pWav->msadpcm.predictor[0] >= ma_dr_wav_countof(coeff2Table) ||
pWav->msadpcm.predictor[1] >= ma_dr_wav_countof(coeff1Table) || pWav->msadpcm.predictor[1] >= ma_dr_wav_countof(coeff2Table)) {
return totalFramesRead;
}
}
}
while (framesToRead > 0 && pWav->msadpcm.cachedFrameCount > 0 && pWav->readCursorInPCMFrames < pWav->totalPCMFrameCount) {
if (pBufferOut != NULL) {
ma_uint32 iSample = 0;
for (iSample = 0; iSample < pWav->channels; iSample += 1) {
pBufferOut[iSample] = (ma_int16)pWav->msadpcm.cachedFrames[(ma_dr_wav_countof(pWav->msadpcm.cachedFrames) - (pWav->msadpcm.cachedFrameCount*pWav->channels)) + iSample];
}
pBufferOut += pWav->channels;
}
framesToRead -= 1;
totalFramesRead += 1;
pWav->readCursorInPCMFrames += 1;
pWav->msadpcm.cachedFrameCount -= 1;
}
if (framesToRead == 0) {
break;
}
if (pWav->msadpcm.cachedFrameCount == 0) {
if (pWav->msadpcm.bytesRemainingInBlock == 0) {
continue;
} else {
ma_uint8 nibbles;
ma_int32 nibble0;
ma_int32 nibble1;
if (pWav->onRead(pWav->pUserData, &nibbles, 1) != 1) {
return totalFramesRead;
}
pWav->msadpcm.bytesRemainingInBlock -= 1;
nibble0 = ((nibbles & 0xF0) >> 4); if ((nibbles & 0x80)) { nibble0 |= 0xFFFFFFF0UL; }
nibble1 = ((nibbles & 0x0F) >> 0); if ((nibbles & 0x08)) { nibble1 |= 0xFFFFFFF0UL; }
if (pWav->channels == 1) {
ma_int32 newSample0;
ma_int32 newSample1;
if (pWav->msadpcm.predictor[0] >= ma_dr_wav_countof(coeff1Table) || pWav->msadpcm.predictor[0] >= ma_dr_wav_countof(coeff2Table)) {
return totalFramesRead;
}
newSample0 = ((pWav->msadpcm.prevFrames[0][1] * coeff1Table[pWav->msadpcm.predictor[0]]) + (pWav->msadpcm.prevFrames[0][0] * coeff2Table[pWav->msadpcm.predictor[0]])) >> 8;
newSample0 += nibble0 * pWav->msadpcm.delta[0];
newSample0 = ma_dr_wav_clamp(newSample0, -32768, 32767);
pWav->msadpcm.delta[0] = (adaptationTable[((nibbles & 0xF0) >> 4)] * pWav->msadpcm.delta[0]) >> 8;
if (pWav->msadpcm.delta[0] < 16) {
pWav->msadpcm.delta[0] = 16;
}
pWav->msadpcm.prevFrames[0][0] = pWav->msadpcm.prevFrames[0][1];
pWav->msadpcm.prevFrames[0][1] = newSample0;
newSample1 = ((pWav->msadpcm.prevFrames[0][1] * coeff1Table[pWav->msadpcm.predictor[0]]) + (pWav->msadpcm.prevFrames[0][0] * coeff2Table[pWav->msadpcm.predictor[0]])) >> 8;
newSample1 += nibble1 * pWav->msadpcm.delta[0];
newSample1 = ma_dr_wav_clamp(newSample1, -32768, 32767);
pWav->msadpcm.delta[0] = (adaptationTable[((nibbles & 0x0F) >> 0)] * pWav->msadpcm.delta[0]) >> 8;
if (pWav->msadpcm.delta[0] < 16) {
pWav->msadpcm.delta[0] = 16;
}
pWav->msadpcm.prevFrames[0][0] = pWav->msadpcm.prevFrames[0][1];
pWav->msadpcm.prevFrames[0][1] = newSample1;
pWav->msadpcm.cachedFrames[2] = newSample0;
pWav->msadpcm.cachedFrames[3] = newSample1;
pWav->msadpcm.cachedFrameCount = 2;
} else {
ma_int32 newSample0;
ma_int32 newSample1;
if (pWav->msadpcm.predictor[0] >= ma_dr_wav_countof(coeff1Table) || pWav->msadpcm.predictor[0] >= ma_dr_wav_countof(coeff2Table)) {
return totalFramesRead;
}
newSample0 = ((pWav->msadpcm.prevFrames[0][1] * coeff1Table[pWav->msadpcm.predictor[0]]) + (pWav->msadpcm.prevFrames[0][0] * coeff2Table[pWav->msadpcm.predictor[0]])) >> 8;
newSample0 += nibble0 * pWav->msadpcm.delta[0];
newSample0 = ma_dr_wav_clamp(newSample0, -32768, 32767);
pWav->msadpcm.delta[0] = (adaptationTable[((nibbles & 0xF0) >> 4)] * pWav->msadpcm.delta[0]) >> 8;
if (pWav->msadpcm.delta[0] < 16) {
pWav->msadpcm.delta[0] = 16;
}
pWav->msadpcm.prevFrames[0][0] = pWav->msadpcm.prevFrames[0][1];
pWav->msadpcm.prevFrames[0][1] = newSample0;
if (pWav->msadpcm.predictor[1] >= ma_dr_wav_countof(coeff1Table) || pWav->msadpcm.predictor[1] >= ma_dr_wav_countof(coeff2Table)) {
return totalFramesRead;
}
newSample1 = ((pWav->msadpcm.prevFrames[1][1] * coeff1Table[pWav->msadpcm.predictor[1]]) + (pWav->msadpcm.prevFrames[1][0] * coeff2Table[pWav->msadpcm.predictor[1]])) >> 8;
newSample1 += nibble1 * pWav->msadpcm.delta[1];
newSample1 = ma_dr_wav_clamp(newSample1, -32768, 32767);
pWav->msadpcm.delta[1] = (adaptationTable[((nibbles & 0x0F) >> 0)] * pWav->msadpcm.delta[1]) >> 8;
if (pWav->msadpcm.delta[1] < 16) {
pWav->msadpcm.delta[1] = 16;
}
pWav->msadpcm.prevFrames[1][0] = pWav->msadpcm.prevFrames[1][1];
pWav->msadpcm.prevFrames[1][1] = newSample1;
pWav->msadpcm.cachedFrames[2] = newSample0;
pWav->msadpcm.cachedFrames[3] = newSample1;
pWav->msadpcm.cachedFrameCount = 1;
}
}
}
}
return totalFramesRead;
}
MA_PRIVATE ma_uint64 ma_dr_wav_read_pcm_frames_s16__ima(ma_dr_wav* pWav, ma_uint64 framesToRead, ma_int16* pBufferOut)
{
ma_uint64 totalFramesRead = 0;
ma_uint32 iChannel;
static const ma_int32 indexTable[16] = {
-1, -1, -1, -1, 2, 4, 6, 8,
-1, -1, -1, -1, 2, 4, 6, 8
};
static const ma_int32 stepTable[89] = {
7, 8, 9, 10, 11, 12, 13, 14, 16, 17,
19, 21, 23, 25, 28, 31, 34, 37, 41, 45,
50, 55, 60, 66, 73, 80, 88, 97, 107, 118,
130, 143, 157, 173, 190, 209, 230, 253, 279, 307,
337, 371, 408, 449, 494, 544, 598, 658, 724, 796,
876, 963, 1060, 1166, 1282, 1411, 1552, 1707, 1878, 2066,
2272, 2499, 2749, 3024, 3327, 3660, 4026, 4428, 4871, 5358,
5894, 6484, 7132, 7845, 8630, 9493, 10442, 11487, 12635, 13899,
15289, 16818, 18500, 20350, 22385, 24623, 27086, 29794, 32767
};
MA_DR_WAV_ASSERT(pWav != NULL);
MA_DR_WAV_ASSERT(framesToRead > 0);
while (pWav->readCursorInPCMFrames < pWav->totalPCMFrameCount) {
MA_DR_WAV_ASSERT(framesToRead > 0);
if (pWav->ima.cachedFrameCount == 0 && pWav->ima.bytesRemainingInBlock == 0) {
if (pWav->channels == 1) {
ma_uint8 header[4];
if (pWav->onRead(pWav->pUserData, header, sizeof(header)) != sizeof(header)) {
return totalFramesRead;
}
pWav->ima.bytesRemainingInBlock = pWav->fmt.blockAlign - sizeof(header);
if (header[2] >= ma_dr_wav_countof(stepTable)) {
pWav->onSeek(pWav->pUserData, pWav->ima.bytesRemainingInBlock, MA_DR_WAV_SEEK_CUR);
pWav->ima.bytesRemainingInBlock = 0;
return totalFramesRead;
}
pWav->ima.predictor[0] = (ma_int16)ma_dr_wav_bytes_to_u16(header + 0);
pWav->ima.stepIndex[0] = ma_dr_wav_clamp(header[2], 0, (ma_int32)ma_dr_wav_countof(stepTable)-1);
pWav->ima.cachedFrames[ma_dr_wav_countof(pWav->ima.cachedFrames) - 1] = pWav->ima.predictor[0];
pWav->ima.cachedFrameCount = 1;
} else {
ma_uint8 header[8];
if (pWav->onRead(pWav->pUserData, header, sizeof(header)) != sizeof(header)) {
return totalFramesRead;
}
pWav->ima.bytesRemainingInBlock = pWav->fmt.blockAlign - sizeof(header);
if (header[2] >= ma_dr_wav_countof(stepTable) || header[6] >= ma_dr_wav_countof(stepTable)) {
pWav->onSeek(pWav->pUserData, pWav->ima.bytesRemainingInBlock, MA_DR_WAV_SEEK_CUR);
pWav->ima.bytesRemainingInBlock = 0;
return totalFramesRead;
}
pWav->ima.predictor[0] = ma_dr_wav_bytes_to_s16(header + 0);
pWav->ima.stepIndex[0] = ma_dr_wav_clamp(header[2], 0, (ma_int32)ma_dr_wav_countof(stepTable)-1);
pWav->ima.predictor[1] = ma_dr_wav_bytes_to_s16(header + 4);
pWav->ima.stepIndex[1] = ma_dr_wav_clamp(header[6], 0, (ma_int32)ma_dr_wav_countof(stepTable)-1);
pWav->ima.cachedFrames[ma_dr_wav_countof(pWav->ima.cachedFrames) - 2] = pWav->ima.predictor[0];
pWav->ima.cachedFrames[ma_dr_wav_countof(pWav->ima.cachedFrames) - 1] = pWav->ima.predictor[1];
pWav->ima.cachedFrameCount = 1;
}
}
while (framesToRead > 0 && pWav->ima.cachedFrameCount > 0 && pWav->readCursorInPCMFrames < pWav->totalPCMFrameCount) {
if (pBufferOut != NULL) {
ma_uint32 iSample;
for (iSample = 0; iSample < pWav->channels; iSample += 1) {
pBufferOut[iSample] = (ma_int16)pWav->ima.cachedFrames[(ma_dr_wav_countof(pWav->ima.cachedFrames) - (pWav->ima.cachedFrameCount*pWav->channels)) + iSample];
}
pBufferOut += pWav->channels;
}
framesToRead -= 1;
totalFramesRead += 1;
pWav->readCursorInPCMFrames += 1;
pWav->ima.cachedFrameCount -= 1;
}
if (framesToRead == 0) {
break;
}
if (pWav->ima.cachedFrameCount == 0) {
if (pWav->ima.bytesRemainingInBlock == 0) {
continue;
} else {
pWav->ima.cachedFrameCount = 8;
for (iChannel = 0; iChannel < pWav->channels; ++iChannel) {
ma_uint32 iByte;
ma_uint8 nibbles[4];
if (pWav->onRead(pWav->pUserData, &nibbles, 4) != 4) {
pWav->ima.cachedFrameCount = 0;
return totalFramesRead;
}
pWav->ima.bytesRemainingInBlock -= 4;
for (iByte = 0; iByte < 4; ++iByte) {
ma_uint8 nibble0 = ((nibbles[iByte] & 0x0F) >> 0);
ma_uint8 nibble1 = ((nibbles[iByte] & 0xF0) >> 4);
ma_int32 step = stepTable[pWav->ima.stepIndex[iChannel]];
ma_int32 predictor = pWav->ima.predictor[iChannel];
ma_int32 diff = step >> 3;
if (nibble0 & 1) diff += step >> 2;
if (nibble0 & 2) diff += step >> 1;
if (nibble0 & 4) diff += step;
if (nibble0 & 8) diff = -diff;
predictor = ma_dr_wav_clamp(predictor + diff, -32768, 32767);
pWav->ima.predictor[iChannel] = predictor;
pWav->ima.stepIndex[iChannel] = ma_dr_wav_clamp(pWav->ima.stepIndex[iChannel] + indexTable[nibble0], 0, (ma_int32)ma_dr_wav_countof(stepTable)-1);
pWav->ima.cachedFrames[(ma_dr_wav_countof(pWav->ima.cachedFrames) - (pWav->ima.cachedFrameCount*pWav->channels)) + (iByte*2+0)*pWav->channels + iChannel] = predictor;
step = stepTable[pWav->ima.stepIndex[iChannel]];
predictor = pWav->ima.predictor[iChannel];
diff = step >> 3;
if (nibble1 & 1) diff += step >> 2;
if (nibble1 & 2) diff += step >> 1;
if (nibble1 & 4) diff += step;
if (nibble1 & 8) diff = -diff;
predictor = ma_dr_wav_clamp(predictor + diff, -32768, 32767);
pWav->ima.predictor[iChannel] = predictor;
pWav->ima.stepIndex[iChannel] = ma_dr_wav_clamp(pWav->ima.stepIndex[iChannel] + indexTable[nibble1], 0, (ma_int32)ma_dr_wav_countof(stepTable)-1);
pWav->ima.cachedFrames[(ma_dr_wav_countof(pWav->ima.cachedFrames) - (pWav->ima.cachedFrameCount*pWav->channels)) + (iByte*2+1)*pWav->channels + iChannel] = predictor;
}
}
}
}
}
return totalFramesRead;
}
#ifndef MA_DR_WAV_NO_CONVERSION_API
static const unsigned short ma_dr_wav_gAlawTable[256] = {
0xEA80, 0xEB80, 0xE880, 0xE980, 0xEE80, 0xEF80, 0xEC80, 0xED80, 0xE280, 0xE380, 0xE080, 0xE180, 0xE680, 0xE780, 0xE480, 0xE580,
0xF540, 0xF5C0, 0xF440, 0xF4C0, 0xF740, 0xF7C0, 0xF640, 0xF6C0, 0xF140, 0xF1C0, 0xF040, 0xF0C0, 0xF340, 0xF3C0, 0xF240, 0xF2C0,
0xAA00, 0xAE00, 0xA200, 0xA600, 0xBA00, 0xBE00, 0xB200, 0xB600, 0x8A00, 0x8E00, 0x8200, 0x8600, 0x9A00, 0x9E00, 0x9200, 0x9600,
0xD500, 0xD700, 0xD100, 0xD300, 0xDD00, 0xDF00, 0xD900, 0xDB00, 0xC500, 0xC700, 0xC100, 0xC300, 0xCD00, 0xCF00, 0xC900, 0xCB00,
0xFEA8, 0xFEB8, 0xFE88, 0xFE98, 0xFEE8, 0xFEF8, 0xFEC8, 0xFED8, 0xFE28, 0xFE38, 0xFE08, 0xFE18, 0xFE68, 0xFE78, 0xFE48, 0xFE58,
0xFFA8, 0xFFB8, 0xFF88, 0xFF98, 0xFFE8, 0xFFF8, 0xFFC8, 0xFFD8, 0xFF28, 0xFF38, 0xFF08, 0xFF18, 0xFF68, 0xFF78, 0xFF48, 0xFF58,
0xFAA0, 0xFAE0, 0xFA20, 0xFA60, 0xFBA0, 0xFBE0, 0xFB20, 0xFB60, 0xF8A0, 0xF8E0, 0xF820, 0xF860, 0xF9A0, 0xF9E0, 0xF920, 0xF960,
0xFD50, 0xFD70, 0xFD10, 0xFD30, 0xFDD0, 0xFDF0, 0xFD90, 0xFDB0, 0xFC50, 0xFC70, 0xFC10, 0xFC30, 0xFCD0, 0xFCF0, 0xFC90, 0xFCB0,
0x1580, 0x1480, 0x1780, 0x1680, 0x1180, 0x1080, 0x1380, 0x1280, 0x1D80, 0x1C80, 0x1F80, 0x1E80, 0x1980, 0x1880, 0x1B80, 0x1A80,
0x0AC0, 0x0A40, 0x0BC0, 0x0B40, 0x08C0, 0x0840, 0x09C0, 0x0940, 0x0EC0, 0x0E40, 0x0FC0, 0x0F40, 0x0CC0, 0x0C40, 0x0DC0, 0x0D40,
0x5600, 0x5200, 0x5E00, 0x5A00, 0x4600, 0x4200, 0x4E00, 0x4A00, 0x7600, 0x7200, 0x7E00, 0x7A00, 0x6600, 0x6200, 0x6E00, 0x6A00,
0x2B00, 0x2900, 0x2F00, 0x2D00, 0x2300, 0x2100, 0x2700, 0x2500, 0x3B00, 0x3900, 0x3F00, 0x3D00, 0x3300, 0x3100, 0x3700, 0x3500,
0x0158, 0x0148, 0x0178, 0x0168, 0x0118, 0x0108, 0x0138, 0x0128, 0x01D8, 0x01C8, 0x01F8, 0x01E8, 0x0198, 0x0188, 0x01B8, 0x01A8,
0x0058, 0x0048, 0x0078, 0x0068, 0x0018, 0x0008, 0x0038, 0x0028, 0x00D8, 0x00C8, 0x00F8, 0x00E8, 0x0098, 0x0088, 0x00B8, 0x00A8,
0x0560, 0x0520, 0x05E0, 0x05A0, 0x0460, 0x0420, 0x04E0, 0x04A0, 0x0760, 0x0720, 0x07E0, 0x07A0, 0x0660, 0x0620, 0x06E0, 0x06A0,
0x02B0, 0x0290, 0x02F0, 0x02D0, 0x0230, 0x0210, 0x0270, 0x0250, 0x03B0, 0x0390, 0x03F0, 0x03D0, 0x0330, 0x0310, 0x0370, 0x0350
};
static const unsigned short ma_dr_wav_gMulawTable[256] = {
0x8284, 0x8684, 0x8A84, 0x8E84, 0x9284, 0x9684, 0x9A84, 0x9E84, 0xA284, 0xA684, 0xAA84, 0xAE84, 0xB284, 0xB684, 0xBA84, 0xBE84,
0xC184, 0xC384, 0xC584, 0xC784, 0xC984, 0xCB84, 0xCD84, 0xCF84, 0xD184, 0xD384, 0xD584, 0xD784, 0xD984, 0xDB84, 0xDD84, 0xDF84,
0xE104, 0xE204, 0xE304, 0xE404, 0xE504, 0xE604, 0xE704, 0xE804, 0xE904, 0xEA04, 0xEB04, 0xEC04, 0xED04, 0xEE04, 0xEF04, 0xF004,
0xF0C4, 0xF144, 0xF1C4, 0xF244, 0xF2C4, 0xF344, 0xF3C4, 0xF444, 0xF4C4, 0xF544, 0xF5C4, 0xF644, 0xF6C4, 0xF744, 0xF7C4, 0xF844,
0xF8A4, 0xF8E4, 0xF924, 0xF964, 0xF9A4, 0xF9E4, 0xFA24, 0xFA64, 0xFAA4, 0xFAE4, 0xFB24, 0xFB64, 0xFBA4, 0xFBE4, 0xFC24, 0xFC64,
0xFC94, 0xFCB4, 0xFCD4, 0xFCF4, 0xFD14, 0xFD34, 0xFD54, 0xFD74, 0xFD94, 0xFDB4, 0xFDD4, 0xFDF4, 0xFE14, 0xFE34, 0xFE54, 0xFE74,
0xFE8C, 0xFE9C, 0xFEAC, 0xFEBC, 0xFECC, 0xFEDC, 0xFEEC, 0xFEFC, 0xFF0C, 0xFF1C, 0xFF2C, 0xFF3C, 0xFF4C, 0xFF5C, 0xFF6C, 0xFF7C,
0xFF88, 0xFF90, 0xFF98, 0xFFA0, 0xFFA8, 0xFFB0, 0xFFB8, 0xFFC0, 0xFFC8, 0xFFD0, 0xFFD8, 0xFFE0, 0xFFE8, 0xFFF0, 0xFFF8, 0x0000,
0x7D7C, 0x797C, 0x757C, 0x717C, 0x6D7C, 0x697C, 0x657C, 0x617C, 0x5D7C, 0x597C, 0x557C, 0x517C, 0x4D7C, 0x497C, 0x457C, 0x417C,
0x3E7C, 0x3C7C, 0x3A7C, 0x387C, 0x367C, 0x347C, 0x327C, 0x307C, 0x2E7C, 0x2C7C, 0x2A7C, 0x287C, 0x267C, 0x247C, 0x227C, 0x207C,
0x1EFC, 0x1DFC, 0x1CFC, 0x1BFC, 0x1AFC, 0x19FC, 0x18FC, 0x17FC, 0x16FC, 0x15FC, 0x14FC, 0x13FC, 0x12FC, 0x11FC, 0x10FC, 0x0FFC,
0x0F3C, 0x0EBC, 0x0E3C, 0x0DBC, 0x0D3C, 0x0CBC, 0x0C3C, 0x0BBC, 0x0B3C, 0x0ABC, 0x0A3C, 0x09BC, 0x093C, 0x08BC, 0x083C, 0x07BC,
0x075C, 0x071C, 0x06DC, 0x069C, 0x065C, 0x061C, 0x05DC, 0x059C, 0x055C, 0x051C, 0x04DC, 0x049C, 0x045C, 0x041C, 0x03DC, 0x039C,
0x036C, 0x034C, 0x032C, 0x030C, 0x02EC, 0x02CC, 0x02AC, 0x028C, 0x026C, 0x024C, 0x022C, 0x020C, 0x01EC, 0x01CC, 0x01AC, 0x018C,
0x0174, 0x0164, 0x0154, 0x0144, 0x0134, 0x0124, 0x0114, 0x0104, 0x00F4, 0x00E4, 0x00D4, 0x00C4, 0x00B4, 0x00A4, 0x0094, 0x0084,
0x0078, 0x0070, 0x0068, 0x0060, 0x0058, 0x0050, 0x0048, 0x0040, 0x0038, 0x0030, 0x0028, 0x0020, 0x0018, 0x0010, 0x0008, 0x0000
};
static MA_INLINE ma_int16 ma_dr_wav__alaw_to_s16(ma_uint8 sampleIn)
{
return (short)ma_dr_wav_gAlawTable[sampleIn];
}
static MA_INLINE ma_int16 ma_dr_wav__mulaw_to_s16(ma_uint8 sampleIn)
{
return (short)ma_dr_wav_gMulawTable[sampleIn];
}
MA_PRIVATE void ma_dr_wav__pcm_to_s16(ma_int16* pOut, const ma_uint8* pIn, size_t totalSampleCount, unsigned int bytesPerSample)
{
size_t i;
if (bytesPerSample == 1) {
ma_dr_wav_u8_to_s16(pOut, pIn, totalSampleCount);
return;
}
if (bytesPerSample == 2) {
for (i = 0; i < totalSampleCount; ++i) {
*pOut++ = ((const ma_int16*)pIn)[i];
}
return;
}
if (bytesPerSample == 3) {
ma_dr_wav_s24_to_s16(pOut, pIn, totalSampleCount);
return;
}
if (bytesPerSample == 4) {
ma_dr_wav_s32_to_s16(pOut, (const ma_int32*)pIn, totalSampleCount);
return;
}
if (bytesPerSample > 8) {
MA_DR_WAV_ZERO_MEMORY(pOut, totalSampleCount * sizeof(*pOut));
return;
}
for (i = 0; i < totalSampleCount; ++i) {
ma_uint64 sample = 0;
unsigned int shift = (8 - bytesPerSample) * 8;
unsigned int j;
for (j = 0; j < bytesPerSample; j += 1) {
MA_DR_WAV_ASSERT(j < 8);
sample |= (ma_uint64)(pIn[j]) << shift;
shift += 8;
}
pIn += j;
*pOut++ = (ma_int16)((ma_int64)sample >> 48);
}
}
MA_PRIVATE void ma_dr_wav__ieee_to_s16(ma_int16* pOut, const ma_uint8* pIn, size_t totalSampleCount, unsigned int bytesPerSample)
{
if (bytesPerSample == 4) {
ma_dr_wav_f32_to_s16(pOut, (const float*)pIn, totalSampleCount);
return;
} else if (bytesPerSample == 8) {
ma_dr_wav_f64_to_s16(pOut, (const double*)pIn, totalSampleCount);
return;
} else {
MA_DR_WAV_ZERO_MEMORY(pOut, totalSampleCount * sizeof(*pOut));
return;
}
}
MA_PRIVATE ma_uint64 ma_dr_wav_read_pcm_frames_s16__pcm(ma_dr_wav* pWav, ma_uint64 framesToRead, ma_int16* pBufferOut)
{
ma_uint64 totalFramesRead;
ma_uint8 sampleData[4096] = {0};
ma_uint32 bytesPerFrame;
ma_uint32 bytesPerSample;
ma_uint64 samplesRead;
if ((pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_PCM && pWav->bitsPerSample == 16) || pBufferOut == NULL) {
return ma_dr_wav_read_pcm_frames(pWav, framesToRead, pBufferOut);
}
bytesPerFrame = ma_dr_wav_get_bytes_per_pcm_frame(pWav);
if (bytesPerFrame == 0) {
return 0;
}
bytesPerSample = bytesPerFrame / pWav->channels;
if (bytesPerSample == 0 || (bytesPerFrame % pWav->channels) != 0) {
return 0;
}
totalFramesRead = 0;
while (framesToRead > 0) {
ma_uint64 framesToReadThisIteration = ma_dr_wav_min(framesToRead, sizeof(sampleData)/bytesPerFrame);
ma_uint64 framesRead = ma_dr_wav_read_pcm_frames(pWav, framesToReadThisIteration, sampleData);
if (framesRead == 0) {
break;
}
MA_DR_WAV_ASSERT(framesRead <= framesToReadThisIteration);
samplesRead = framesRead * pWav->channels;
if ((samplesRead * bytesPerSample) > sizeof(sampleData)) {
MA_DR_WAV_ASSERT(MA_FALSE);
break;
}
ma_dr_wav__pcm_to_s16(pBufferOut, sampleData, (size_t)samplesRead, bytesPerSample);
pBufferOut += samplesRead;
framesToRead -= framesRead;
totalFramesRead += framesRead;
}
return totalFramesRead;
}
MA_PRIVATE ma_uint64 ma_dr_wav_read_pcm_frames_s16__ieee(ma_dr_wav* pWav, ma_uint64 framesToRead, ma_int16* pBufferOut)
{
ma_uint64 totalFramesRead;
ma_uint8 sampleData[4096] = {0};
ma_uint32 bytesPerFrame;
ma_uint32 bytesPerSample;
ma_uint64 samplesRead;
if (pBufferOut == NULL) {
return ma_dr_wav_read_pcm_frames(pWav, framesToRead, NULL);
}
bytesPerFrame = ma_dr_wav_get_bytes_per_pcm_frame(pWav);
if (bytesPerFrame == 0) {
return 0;
}
bytesPerSample = bytesPerFrame / pWav->channels;
if (bytesPerSample == 0 || (bytesPerFrame % pWav->channels) != 0) {
return 0;
}
totalFramesRead = 0;
while (framesToRead > 0) {
ma_uint64 framesToReadThisIteration = ma_dr_wav_min(framesToRead, sizeof(sampleData)/bytesPerFrame);
ma_uint64 framesRead = ma_dr_wav_read_pcm_frames(pWav, framesToReadThisIteration, sampleData);
if (framesRead == 0) {
break;
}
MA_DR_WAV_ASSERT(framesRead <= framesToReadThisIteration);
samplesRead = framesRead * pWav->channels;
if ((samplesRead * bytesPerSample) > sizeof(sampleData)) {
MA_DR_WAV_ASSERT(MA_FALSE);
break;
}
ma_dr_wav__ieee_to_s16(pBufferOut, sampleData, (size_t)samplesRead, bytesPerSample);
pBufferOut += samplesRead;
framesToRead -= framesRead;
totalFramesRead += framesRead;
}
return totalFramesRead;
}
MA_PRIVATE ma_uint64 ma_dr_wav_read_pcm_frames_s16__alaw(ma_dr_wav* pWav, ma_uint64 framesToRead, ma_int16* pBufferOut)
{
ma_uint64 totalFramesRead;
ma_uint8 sampleData[4096] = {0};
ma_uint32 bytesPerFrame;
ma_uint32 bytesPerSample;
ma_uint64 samplesRead;
if (pBufferOut == NULL) {
return ma_dr_wav_read_pcm_frames(pWav, framesToRead, NULL);
}
bytesPerFrame = ma_dr_wav_get_bytes_per_pcm_frame(pWav);
if (bytesPerFrame == 0) {
return 0;
}
bytesPerSample = bytesPerFrame / pWav->channels;
if (bytesPerSample == 0 || (bytesPerFrame % pWav->channels) != 0) {
return 0;
}
totalFramesRead = 0;
while (framesToRead > 0) {
ma_uint64 framesToReadThisIteration = ma_dr_wav_min(framesToRead, sizeof(sampleData)/bytesPerFrame);
ma_uint64 framesRead = ma_dr_wav_read_pcm_frames(pWav, framesToReadThisIteration, sampleData);
if (framesRead == 0) {
break;
}
MA_DR_WAV_ASSERT(framesRead <= framesToReadThisIteration);
samplesRead = framesRead * pWav->channels;
if ((samplesRead * bytesPerSample) > sizeof(sampleData)) {
MA_DR_WAV_ASSERT(MA_FALSE);
break;
}
ma_dr_wav_alaw_to_s16(pBufferOut, sampleData, (size_t)samplesRead);
#ifdef MA_DR_WAV_LIBSNDFILE_COMPAT
{
if (pWav->container == ma_dr_wav_container_aiff) {
ma_uint64 iSample;
for (iSample = 0; iSample < samplesRead; iSample += 1) {
pBufferOut[iSample] = -pBufferOut[iSample];
}
}
}
#endif
pBufferOut += samplesRead;
framesToRead -= framesRead;
totalFramesRead += framesRead;
}
return totalFramesRead;
}
MA_PRIVATE ma_uint64 ma_dr_wav_read_pcm_frames_s16__mulaw(ma_dr_wav* pWav, ma_uint64 framesToRead, ma_int16* pBufferOut)
{
ma_uint64 totalFramesRead;
ma_uint8 sampleData[4096] = {0};
ma_uint32 bytesPerFrame;
ma_uint32 bytesPerSample;
ma_uint64 samplesRead;
if (pBufferOut == NULL) {
return ma_dr_wav_read_pcm_frames(pWav, framesToRead, NULL);
}
bytesPerFrame = ma_dr_wav_get_bytes_per_pcm_frame(pWav);
if (bytesPerFrame == 0) {
return 0;
}
bytesPerSample = bytesPerFrame / pWav->channels;
if (bytesPerSample == 0 || (bytesPerFrame % pWav->channels) != 0) {
return 0;
}
totalFramesRead = 0;
while (framesToRead > 0) {
ma_uint64 framesToReadThisIteration = ma_dr_wav_min(framesToRead, sizeof(sampleData)/bytesPerFrame);
ma_uint64 framesRead = ma_dr_wav_read_pcm_frames(pWav, framesToReadThisIteration, sampleData);
if (framesRead == 0) {
break;
}
MA_DR_WAV_ASSERT(framesRead <= framesToReadThisIteration);
samplesRead = framesRead * pWav->channels;
if ((samplesRead * bytesPerSample) > sizeof(sampleData)) {
MA_DR_WAV_ASSERT(MA_FALSE);
break;
}
ma_dr_wav_mulaw_to_s16(pBufferOut, sampleData, (size_t)samplesRead);
#ifdef MA_DR_WAV_LIBSNDFILE_COMPAT
{
if (pWav->container == ma_dr_wav_container_aiff) {
ma_uint64 iSample;
for (iSample = 0; iSample < samplesRead; iSample += 1) {
pBufferOut[iSample] = -pBufferOut[iSample];
}
}
}
#endif
pBufferOut += samplesRead;
framesToRead -= framesRead;
totalFramesRead += framesRead;
}
return totalFramesRead;
}
MA_API ma_uint64 ma_dr_wav_read_pcm_frames_s16(ma_dr_wav* pWav, ma_uint64 framesToRead, ma_int16* pBufferOut)
{
if (pWav == NULL || framesToRead == 0) {
return 0;
}
if (pBufferOut == NULL) {
return ma_dr_wav_read_pcm_frames(pWav, framesToRead, NULL);
}
if (framesToRead * pWav->channels * sizeof(ma_int16) > MA_SIZE_MAX) {
framesToRead = MA_SIZE_MAX / sizeof(ma_int16) / pWav->channels;
}
if (pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_PCM) {
return ma_dr_wav_read_pcm_frames_s16__pcm(pWav, framesToRead, pBufferOut);
}
if (pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_IEEE_FLOAT) {
return ma_dr_wav_read_pcm_frames_s16__ieee(pWav, framesToRead, pBufferOut);
}
if (pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_ALAW) {
return ma_dr_wav_read_pcm_frames_s16__alaw(pWav, framesToRead, pBufferOut);
}
if (pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_MULAW) {
return ma_dr_wav_read_pcm_frames_s16__mulaw(pWav, framesToRead, pBufferOut);
}
if (pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_ADPCM) {
return ma_dr_wav_read_pcm_frames_s16__msadpcm(pWav, framesToRead, pBufferOut);
}
if (pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_DVI_ADPCM) {
return ma_dr_wav_read_pcm_frames_s16__ima(pWav, framesToRead, pBufferOut);
}
return 0;
}
MA_API ma_uint64 ma_dr_wav_read_pcm_frames_s16le(ma_dr_wav* pWav, ma_uint64 framesToRead, ma_int16* pBufferOut)
{
ma_uint64 framesRead = ma_dr_wav_read_pcm_frames_s16(pWav, framesToRead, pBufferOut);
if (pBufferOut != NULL && ma_dr_wav__is_little_endian() == MA_FALSE) {
ma_dr_wav__bswap_samples_s16(pBufferOut, framesRead*pWav->channels);
}
return framesRead;
}
MA_API ma_uint64 ma_dr_wav_read_pcm_frames_s16be(ma_dr_wav* pWav, ma_uint64 framesToRead, ma_int16* pBufferOut)
{
ma_uint64 framesRead = ma_dr_wav_read_pcm_frames_s16(pWav, framesToRead, pBufferOut);
if (pBufferOut != NULL && ma_dr_wav__is_little_endian() == MA_TRUE) {
ma_dr_wav__bswap_samples_s16(pBufferOut, framesRead*pWav->channels);
}
return framesRead;
}
MA_API void ma_dr_wav_u8_to_s16(ma_int16* pOut, const ma_uint8* pIn, size_t sampleCount)
{
int r;
size_t i;
for (i = 0; i < sampleCount; ++i) {
int x = pIn[i];
r = x << 8;
r = r - 32768;
pOut[i] = (short)r;
}
}
MA_API void ma_dr_wav_s24_to_s16(ma_int16* pOut, const ma_uint8* pIn, size_t sampleCount)
{
int r;
size_t i;
for (i = 0; i < sampleCount; ++i) {
int x = ((int)(((unsigned int)(((const ma_uint8*)pIn)[i*3+0]) << 8) | ((unsigned int)(((const ma_uint8*)pIn)[i*3+1]) << 16) | ((unsigned int)(((const ma_uint8*)pIn)[i*3+2])) << 24)) >> 8;
r = x >> 8;
pOut[i] = (short)r;
}
}
MA_API void ma_dr_wav_s32_to_s16(ma_int16* pOut, const ma_int32* pIn, size_t sampleCount)
{
int r;
size_t i;
for (i = 0; i < sampleCount; ++i) {
int x = pIn[i];
r = x >> 16;
pOut[i] = (short)r;
}
}
MA_API void ma_dr_wav_f32_to_s16(ma_int16* pOut, const float* pIn, size_t sampleCount)
{
int r;
size_t i;
for (i = 0; i < sampleCount; ++i) {
float x = pIn[i];
float c;
c = ((x < -1) ? -1 : ((x > 1) ? 1 : x));
c = c + 1;
r = (int)(c * 32767.5f);
r = r - 32768;
pOut[i] = (short)r;
}
}
MA_API void ma_dr_wav_f64_to_s16(ma_int16* pOut, const double* pIn, size_t sampleCount)
{
int r;
size_t i;
for (i = 0; i < sampleCount; ++i) {
double x = pIn[i];
double c;
c = ((x < -1) ? -1 : ((x > 1) ? 1 : x));
c = c + 1;
r = (int)(c * 32767.5);
r = r - 32768;
pOut[i] = (short)r;
}
}
MA_API void ma_dr_wav_alaw_to_s16(ma_int16* pOut, const ma_uint8* pIn, size_t sampleCount)
{
size_t i;
for (i = 0; i < sampleCount; ++i) {
pOut[i] = ma_dr_wav__alaw_to_s16(pIn[i]);
}
}
MA_API void ma_dr_wav_mulaw_to_s16(ma_int16* pOut, const ma_uint8* pIn, size_t sampleCount)
{
size_t i;
for (i = 0; i < sampleCount; ++i) {
pOut[i] = ma_dr_wav__mulaw_to_s16(pIn[i]);
}
}
MA_PRIVATE void ma_dr_wav__pcm_to_f32(float* pOut, const ma_uint8* pIn, size_t sampleCount, unsigned int bytesPerSample)
{
unsigned int i;
if (bytesPerSample == 1) {
ma_dr_wav_u8_to_f32(pOut, pIn, sampleCount);
return;
}
if (bytesPerSample == 2) {
ma_dr_wav_s16_to_f32(pOut, (const ma_int16*)pIn, sampleCount);
return;
}
if (bytesPerSample == 3) {
ma_dr_wav_s24_to_f32(pOut, pIn, sampleCount);
return;
}
if (bytesPerSample == 4) {
ma_dr_wav_s32_to_f32(pOut, (const ma_int32*)pIn, sampleCount);
return;
}
if (bytesPerSample > 8) {
MA_DR_WAV_ZERO_MEMORY(pOut, sampleCount * sizeof(*pOut));
return;
}
for (i = 0; i < sampleCount; ++i) {
ma_uint64 sample = 0;
unsigned int shift = (8 - bytesPerSample) * 8;
unsigned int j;
for (j = 0; j < bytesPerSample; j += 1) {
MA_DR_WAV_ASSERT(j < 8);
sample |= (ma_uint64)(pIn[j]) << shift;
shift += 8;
}
pIn += j;
*pOut++ = (float)((ma_int64)sample / 9223372036854775807.0);
}
}
MA_PRIVATE void ma_dr_wav__ieee_to_f32(float* pOut, const ma_uint8* pIn, size_t sampleCount, unsigned int bytesPerSample)
{
if (bytesPerSample == 4) {
unsigned int i;
for (i = 0; i < sampleCount; ++i) {
*pOut++ = ((const float*)pIn)[i];
}
return;
} else if (bytesPerSample == 8) {
ma_dr_wav_f64_to_f32(pOut, (const double*)pIn, sampleCount);
return;
} else {
MA_DR_WAV_ZERO_MEMORY(pOut, sampleCount * sizeof(*pOut));
return;
}
}
MA_PRIVATE ma_uint64 ma_dr_wav_read_pcm_frames_f32__pcm(ma_dr_wav* pWav, ma_uint64 framesToRead, float* pBufferOut)
{
ma_uint64 totalFramesRead;
ma_uint8 sampleData[4096] = {0};
ma_uint32 bytesPerFrame;
ma_uint32 bytesPerSample;
ma_uint64 samplesRead;
bytesPerFrame = ma_dr_wav_get_bytes_per_pcm_frame(pWav);
if (bytesPerFrame == 0) {
return 0;
}
bytesPerSample = bytesPerFrame / pWav->channels;
if (bytesPerSample == 0 || (bytesPerFrame % pWav->channels) != 0) {
return 0;
}
totalFramesRead = 0;
while (framesToRead > 0) {
ma_uint64 framesToReadThisIteration = ma_dr_wav_min(framesToRead, sizeof(sampleData)/bytesPerFrame);
ma_uint64 framesRead = ma_dr_wav_read_pcm_frames(pWav, framesToReadThisIteration, sampleData);
if (framesRead == 0) {
break;
}
MA_DR_WAV_ASSERT(framesRead <= framesToReadThisIteration);
samplesRead = framesRead * pWav->channels;
if ((samplesRead * bytesPerSample) > sizeof(sampleData)) {
MA_DR_WAV_ASSERT(MA_FALSE);
break;
}
ma_dr_wav__pcm_to_f32(pBufferOut, sampleData, (size_t)samplesRead, bytesPerSample);
pBufferOut += samplesRead;
framesToRead -= framesRead;
totalFramesRead += framesRead;
}
return totalFramesRead;
}
MA_PRIVATE ma_uint64 ma_dr_wav_read_pcm_frames_f32__msadpcm_ima(ma_dr_wav* pWav, ma_uint64 framesToRead, float* pBufferOut)
{
ma_uint64 totalFramesRead;
ma_int16 samples16[2048];
totalFramesRead = 0;
while (framesToRead > 0) {
ma_uint64 framesToReadThisIteration = ma_dr_wav_min(framesToRead, ma_dr_wav_countof(samples16)/pWav->channels);
ma_uint64 framesRead = ma_dr_wav_read_pcm_frames_s16(pWav, framesToReadThisIteration, samples16);
if (framesRead == 0) {
break;
}
MA_DR_WAV_ASSERT(framesRead <= framesToReadThisIteration);
ma_dr_wav_s16_to_f32(pBufferOut, samples16, (size_t)(framesRead*pWav->channels));
pBufferOut += framesRead*pWav->channels;
framesToRead -= framesRead;
totalFramesRead += framesRead;
}
return totalFramesRead;
}
MA_PRIVATE ma_uint64 ma_dr_wav_read_pcm_frames_f32__ieee(ma_dr_wav* pWav, ma_uint64 framesToRead, float* pBufferOut)
{
ma_uint64 totalFramesRead;
ma_uint8 sampleData[4096] = {0};
ma_uint32 bytesPerFrame;
ma_uint32 bytesPerSample;
ma_uint64 samplesRead;
if (pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_IEEE_FLOAT && pWav->bitsPerSample == 32) {
return ma_dr_wav_read_pcm_frames(pWav, framesToRead, pBufferOut);
}
bytesPerFrame = ma_dr_wav_get_bytes_per_pcm_frame(pWav);
if (bytesPerFrame == 0) {
return 0;
}
bytesPerSample = bytesPerFrame / pWav->channels;
if (bytesPerSample == 0 || (bytesPerFrame % pWav->channels) != 0) {
return 0;
}
totalFramesRead = 0;
while (framesToRead > 0) {
ma_uint64 framesToReadThisIteration = ma_dr_wav_min(framesToRead, sizeof(sampleData)/bytesPerFrame);
ma_uint64 framesRead = ma_dr_wav_read_pcm_frames(pWav, framesToReadThisIteration, sampleData);
if (framesRead == 0) {
break;
}
MA_DR_WAV_ASSERT(framesRead <= framesToReadThisIteration);
samplesRead = framesRead * pWav->channels;
if ((samplesRead * bytesPerSample) > sizeof(sampleData)) {
MA_DR_WAV_ASSERT(MA_FALSE);
break;
}
ma_dr_wav__ieee_to_f32(pBufferOut, sampleData, (size_t)samplesRead, bytesPerSample);
pBufferOut += samplesRead;
framesToRead -= framesRead;
totalFramesRead += framesRead;
}
return totalFramesRead;
}
MA_PRIVATE ma_uint64 ma_dr_wav_read_pcm_frames_f32__alaw(ma_dr_wav* pWav, ma_uint64 framesToRead, float* pBufferOut)
{
ma_uint64 totalFramesRead;
ma_uint8 sampleData[4096] = {0};
ma_uint32 bytesPerFrame;
ma_uint32 bytesPerSample;
ma_uint64 samplesRead;
bytesPerFrame = ma_dr_wav_get_bytes_per_pcm_frame(pWav);
if (bytesPerFrame == 0) {
return 0;
}
bytesPerSample = bytesPerFrame / pWav->channels;
if (bytesPerSample == 0 || (bytesPerFrame % pWav->channels) != 0) {
return 0;
}
totalFramesRead = 0;
while (framesToRead > 0) {
ma_uint64 framesToReadThisIteration = ma_dr_wav_min(framesToRead, sizeof(sampleData)/bytesPerFrame);
ma_uint64 framesRead = ma_dr_wav_read_pcm_frames(pWav, framesToReadThisIteration, sampleData);
if (framesRead == 0) {
break;
}
MA_DR_WAV_ASSERT(framesRead <= framesToReadThisIteration);
samplesRead = framesRead * pWav->channels;
if ((samplesRead * bytesPerSample) > sizeof(sampleData)) {
MA_DR_WAV_ASSERT(MA_FALSE);
break;
}
ma_dr_wav_alaw_to_f32(pBufferOut, sampleData, (size_t)samplesRead);
#ifdef MA_DR_WAV_LIBSNDFILE_COMPAT
{
if (pWav->container == ma_dr_wav_container_aiff) {
ma_uint64 iSample;
for (iSample = 0; iSample < samplesRead; iSample += 1) {
pBufferOut[iSample] = -pBufferOut[iSample];
}
}
}
#endif
pBufferOut += samplesRead;
framesToRead -= framesRead;
totalFramesRead += framesRead;
}
return totalFramesRead;
}
MA_PRIVATE ma_uint64 ma_dr_wav_read_pcm_frames_f32__mulaw(ma_dr_wav* pWav, ma_uint64 framesToRead, float* pBufferOut)
{
ma_uint64 totalFramesRead;
ma_uint8 sampleData[4096] = {0};
ma_uint32 bytesPerFrame;
ma_uint32 bytesPerSample;
ma_uint64 samplesRead;
bytesPerFrame = ma_dr_wav_get_bytes_per_pcm_frame(pWav);
if (bytesPerFrame == 0) {
return 0;
}
bytesPerSample = bytesPerFrame / pWav->channels;
if (bytesPerSample == 0 || (bytesPerFrame % pWav->channels) != 0) {
return 0;
}
totalFramesRead = 0;
while (framesToRead > 0) {
ma_uint64 framesToReadThisIteration = ma_dr_wav_min(framesToRead, sizeof(sampleData)/bytesPerFrame);
ma_uint64 framesRead = ma_dr_wav_read_pcm_frames(pWav, framesToReadThisIteration, sampleData);
if (framesRead == 0) {
break;
}
MA_DR_WAV_ASSERT(framesRead <= framesToReadThisIteration);
samplesRead = framesRead * pWav->channels;
if ((samplesRead * bytesPerSample) > sizeof(sampleData)) {
MA_DR_WAV_ASSERT(MA_FALSE);
break;
}
ma_dr_wav_mulaw_to_f32(pBufferOut, sampleData, (size_t)samplesRead);
#ifdef MA_DR_WAV_LIBSNDFILE_COMPAT
{
if (pWav->container == ma_dr_wav_container_aiff) {
ma_uint64 iSample;
for (iSample = 0; iSample < samplesRead; iSample += 1) {
pBufferOut[iSample] = -pBufferOut[iSample];
}
}
}
#endif
pBufferOut += samplesRead;
framesToRead -= framesRead;
totalFramesRead += framesRead;
}
return totalFramesRead;
}
MA_API ma_uint64 ma_dr_wav_read_pcm_frames_f32(ma_dr_wav* pWav, ma_uint64 framesToRead, float* pBufferOut)
{
if (pWav == NULL || framesToRead == 0) {
return 0;
}
if (pBufferOut == NULL) {
return ma_dr_wav_read_pcm_frames(pWav, framesToRead, NULL);
}
if (framesToRead * pWav->channels * sizeof(float) > MA_SIZE_MAX) {
framesToRead = MA_SIZE_MAX / sizeof(float) / pWav->channels;
}
if (pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_PCM) {
return ma_dr_wav_read_pcm_frames_f32__pcm(pWav, framesToRead, pBufferOut);
}
if (pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_ADPCM || pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_DVI_ADPCM) {
return ma_dr_wav_read_pcm_frames_f32__msadpcm_ima(pWav, framesToRead, pBufferOut);
}
if (pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_IEEE_FLOAT) {
return ma_dr_wav_read_pcm_frames_f32__ieee(pWav, framesToRead, pBufferOut);
}
if (pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_ALAW) {
return ma_dr_wav_read_pcm_frames_f32__alaw(pWav, framesToRead, pBufferOut);
}
if (pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_MULAW) {
return ma_dr_wav_read_pcm_frames_f32__mulaw(pWav, framesToRead, pBufferOut);
}
return 0;
}
MA_API ma_uint64 ma_dr_wav_read_pcm_frames_f32le(ma_dr_wav* pWav, ma_uint64 framesToRead, float* pBufferOut)
{
ma_uint64 framesRead = ma_dr_wav_read_pcm_frames_f32(pWav, framesToRead, pBufferOut);
if (pBufferOut != NULL && ma_dr_wav__is_little_endian() == MA_FALSE) {
ma_dr_wav__bswap_samples_f32(pBufferOut, framesRead*pWav->channels);
}
return framesRead;
}
MA_API ma_uint64 ma_dr_wav_read_pcm_frames_f32be(ma_dr_wav* pWav, ma_uint64 framesToRead, float* pBufferOut)
{
ma_uint64 framesRead = ma_dr_wav_read_pcm_frames_f32(pWav, framesToRead, pBufferOut);
if (pBufferOut != NULL && ma_dr_wav__is_little_endian() == MA_TRUE) {
ma_dr_wav__bswap_samples_f32(pBufferOut, framesRead*pWav->channels);
}
return framesRead;
}
MA_API void ma_dr_wav_u8_to_f32(float* pOut, const ma_uint8* pIn, size_t sampleCount)
{
size_t i;
if (pOut == NULL || pIn == NULL) {
return;
}
#ifdef MA_DR_WAV_LIBSNDFILE_COMPAT
for (i = 0; i < sampleCount; ++i) {
*pOut++ = (pIn[i] / 256.0f) * 2 - 1;
}
#else
for (i = 0; i < sampleCount; ++i) {
float x = pIn[i];
x = x * 0.00784313725490196078f;
x = x - 1;
*pOut++ = x;
}
#endif
}
MA_API void ma_dr_wav_s16_to_f32(float* pOut, const ma_int16* pIn, size_t sampleCount)
{
size_t i;
if (pOut == NULL || pIn == NULL) {
return;
}
for (i = 0; i < sampleCount; ++i) {
*pOut++ = pIn[i] * 0.000030517578125f;
}
}
MA_API void ma_dr_wav_s24_to_f32(float* pOut, const ma_uint8* pIn, size_t sampleCount)
{
size_t i;
if (pOut == NULL || pIn == NULL) {
return;
}
for (i = 0; i < sampleCount; ++i) {
double x;
ma_uint32 a = ((ma_uint32)(pIn[i*3+0]) << 8);
ma_uint32 b = ((ma_uint32)(pIn[i*3+1]) << 16);
ma_uint32 c = ((ma_uint32)(pIn[i*3+2]) << 24);
x = (double)((ma_int32)(a | b | c) >> 8);
*pOut++ = (float)(x * 0.00000011920928955078125);
}
}
MA_API void ma_dr_wav_s32_to_f32(float* pOut, const ma_int32* pIn, size_t sampleCount)
{
size_t i;
if (pOut == NULL || pIn == NULL) {
return;
}
for (i = 0; i < sampleCount; ++i) {
*pOut++ = (float)(pIn[i] / 2147483648.0);
}
}
MA_API void ma_dr_wav_f64_to_f32(float* pOut, const double* pIn, size_t sampleCount)
{
size_t i;
if (pOut == NULL || pIn == NULL) {
return;
}
for (i = 0; i < sampleCount; ++i) {
*pOut++ = (float)pIn[i];
}
}
MA_API void ma_dr_wav_alaw_to_f32(float* pOut, const ma_uint8* pIn, size_t sampleCount)
{
size_t i;
if (pOut == NULL || pIn == NULL) {
return;
}
for (i = 0; i < sampleCount; ++i) {
*pOut++ = ma_dr_wav__alaw_to_s16(pIn[i]) / 32768.0f;
}
}
MA_API void ma_dr_wav_mulaw_to_f32(float* pOut, const ma_uint8* pIn, size_t sampleCount)
{
size_t i;
if (pOut == NULL || pIn == NULL) {
return;
}
for (i = 0; i < sampleCount; ++i) {
*pOut++ = ma_dr_wav__mulaw_to_s16(pIn[i]) / 32768.0f;
}
}
MA_PRIVATE void ma_dr_wav__pcm_to_s32(ma_int32* pOut, const ma_uint8* pIn, size_t totalSampleCount, unsigned int bytesPerSample)
{
unsigned int i;
if (bytesPerSample == 1) {
ma_dr_wav_u8_to_s32(pOut, pIn, totalSampleCount);
return;
}
if (bytesPerSample == 2) {
ma_dr_wav_s16_to_s32(pOut, (const ma_int16*)pIn, totalSampleCount);
return;
}
if (bytesPerSample == 3) {
ma_dr_wav_s24_to_s32(pOut, pIn, totalSampleCount);
return;
}
if (bytesPerSample == 4) {
for (i = 0; i < totalSampleCount; ++i) {
*pOut++ = ((const ma_int32*)pIn)[i];
}
return;
}
if (bytesPerSample > 8) {
MA_DR_WAV_ZERO_MEMORY(pOut, totalSampleCount * sizeof(*pOut));
return;
}
for (i = 0; i < totalSampleCount; ++i) {
ma_uint64 sample = 0;
unsigned int shift = (8 - bytesPerSample) * 8;
unsigned int j;
for (j = 0; j < bytesPerSample; j += 1) {
MA_DR_WAV_ASSERT(j < 8);
sample |= (ma_uint64)(pIn[j]) << shift;
shift += 8;
}
pIn += j;
*pOut++ = (ma_int32)((ma_int64)sample >> 32);
}
}
MA_PRIVATE void ma_dr_wav__ieee_to_s32(ma_int32* pOut, const ma_uint8* pIn, size_t totalSampleCount, unsigned int bytesPerSample)
{
if (bytesPerSample == 4) {
ma_dr_wav_f32_to_s32(pOut, (const float*)pIn, totalSampleCount);
return;
} else if (bytesPerSample == 8) {
ma_dr_wav_f64_to_s32(pOut, (const double*)pIn, totalSampleCount);
return;
} else {
MA_DR_WAV_ZERO_MEMORY(pOut, totalSampleCount * sizeof(*pOut));
return;
}
}
MA_PRIVATE ma_uint64 ma_dr_wav_read_pcm_frames_s32__pcm(ma_dr_wav* pWav, ma_uint64 framesToRead, ma_int32* pBufferOut)
{
ma_uint64 totalFramesRead;
ma_uint8 sampleData[4096] = {0};
ma_uint32 bytesPerFrame;
ma_uint32 bytesPerSample;
ma_uint64 samplesRead;
if (pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_PCM && pWav->bitsPerSample == 32) {
return ma_dr_wav_read_pcm_frames(pWav, framesToRead, pBufferOut);
}
bytesPerFrame = ma_dr_wav_get_bytes_per_pcm_frame(pWav);
if (bytesPerFrame == 0) {
return 0;
}
bytesPerSample = bytesPerFrame / pWav->channels;
if (bytesPerSample == 0 || (bytesPerFrame % pWav->channels) != 0) {
return 0;
}
totalFramesRead = 0;
while (framesToRead > 0) {
ma_uint64 framesToReadThisIteration = ma_dr_wav_min(framesToRead, sizeof(sampleData)/bytesPerFrame);
ma_uint64 framesRead = ma_dr_wav_read_pcm_frames(pWav, framesToReadThisIteration, sampleData);
if (framesRead == 0) {
break;
}
MA_DR_WAV_ASSERT(framesRead <= framesToReadThisIteration);
samplesRead = framesRead * pWav->channels;
if ((samplesRead * bytesPerSample) > sizeof(sampleData)) {
MA_DR_WAV_ASSERT(MA_FALSE);
break;
}
ma_dr_wav__pcm_to_s32(pBufferOut, sampleData, (size_t)samplesRead, bytesPerSample);
pBufferOut += samplesRead;
framesToRead -= framesRead;
totalFramesRead += framesRead;
}
return totalFramesRead;
}
MA_PRIVATE ma_uint64 ma_dr_wav_read_pcm_frames_s32__msadpcm_ima(ma_dr_wav* pWav, ma_uint64 framesToRead, ma_int32* pBufferOut)
{
ma_uint64 totalFramesRead = 0;
ma_int16 samples16[2048];
while (framesToRead > 0) {
ma_uint64 framesToReadThisIteration = ma_dr_wav_min(framesToRead, ma_dr_wav_countof(samples16)/pWav->channels);
ma_uint64 framesRead = ma_dr_wav_read_pcm_frames_s16(pWav, framesToReadThisIteration, samples16);
if (framesRead == 0) {
break;
}
MA_DR_WAV_ASSERT(framesRead <= framesToReadThisIteration);
ma_dr_wav_s16_to_s32(pBufferOut, samples16, (size_t)(framesRead*pWav->channels));
pBufferOut += framesRead*pWav->channels;
framesToRead -= framesRead;
totalFramesRead += framesRead;
}
return totalFramesRead;
}
MA_PRIVATE ma_uint64 ma_dr_wav_read_pcm_frames_s32__ieee(ma_dr_wav* pWav, ma_uint64 framesToRead, ma_int32* pBufferOut)
{
ma_uint64 totalFramesRead;
ma_uint8 sampleData[4096] = {0};
ma_uint32 bytesPerFrame;
ma_uint32 bytesPerSample;
ma_uint64 samplesRead;
bytesPerFrame = ma_dr_wav_get_bytes_per_pcm_frame(pWav);
if (bytesPerFrame == 0) {
return 0;
}
bytesPerSample = bytesPerFrame / pWav->channels;
if (bytesPerSample == 0 || (bytesPerFrame % pWav->channels) != 0) {
return 0;
}
totalFramesRead = 0;
while (framesToRead > 0) {
ma_uint64 framesToReadThisIteration = ma_dr_wav_min(framesToRead, sizeof(sampleData)/bytesPerFrame);
ma_uint64 framesRead = ma_dr_wav_read_pcm_frames(pWav, framesToReadThisIteration, sampleData);
if (framesRead == 0) {
break;
}
MA_DR_WAV_ASSERT(framesRead <= framesToReadThisIteration);
samplesRead = framesRead * pWav->channels;
if ((samplesRead * bytesPerSample) > sizeof(sampleData)) {
MA_DR_WAV_ASSERT(MA_FALSE);
break;
}
ma_dr_wav__ieee_to_s32(pBufferOut, sampleData, (size_t)samplesRead, bytesPerSample);
pBufferOut += samplesRead;
framesToRead -= framesRead;
totalFramesRead += framesRead;
}
return totalFramesRead;
}
MA_PRIVATE ma_uint64 ma_dr_wav_read_pcm_frames_s32__alaw(ma_dr_wav* pWav, ma_uint64 framesToRead, ma_int32* pBufferOut)
{
ma_uint64 totalFramesRead;
ma_uint8 sampleData[4096] = {0};
ma_uint32 bytesPerFrame;
ma_uint32 bytesPerSample;
ma_uint64 samplesRead;
bytesPerFrame = ma_dr_wav_get_bytes_per_pcm_frame(pWav);
if (bytesPerFrame == 0) {
return 0;
}
bytesPerSample = bytesPerFrame / pWav->channels;
if (bytesPerSample == 0 || (bytesPerFrame % pWav->channels) != 0) {
return 0;
}
totalFramesRead = 0;
while (framesToRead > 0) {
ma_uint64 framesToReadThisIteration = ma_dr_wav_min(framesToRead, sizeof(sampleData)/bytesPerFrame);
ma_uint64 framesRead = ma_dr_wav_read_pcm_frames(pWav, framesToReadThisIteration, sampleData);
if (framesRead == 0) {
break;
}
MA_DR_WAV_ASSERT(framesRead <= framesToReadThisIteration);
samplesRead = framesRead * pWav->channels;
if ((samplesRead * bytesPerSample) > sizeof(sampleData)) {
MA_DR_WAV_ASSERT(MA_FALSE);
break;
}
ma_dr_wav_alaw_to_s32(pBufferOut, sampleData, (size_t)samplesRead);
#ifdef MA_DR_WAV_LIBSNDFILE_COMPAT
{
if (pWav->container == ma_dr_wav_container_aiff) {
ma_uint64 iSample;
for (iSample = 0; iSample < samplesRead; iSample += 1) {
pBufferOut[iSample] = -pBufferOut[iSample];
}
}
}
#endif
pBufferOut += samplesRead;
framesToRead -= framesRead;
totalFramesRead += framesRead;
}
return totalFramesRead;
}
MA_PRIVATE ma_uint64 ma_dr_wav_read_pcm_frames_s32__mulaw(ma_dr_wav* pWav, ma_uint64 framesToRead, ma_int32* pBufferOut)
{
ma_uint64 totalFramesRead;
ma_uint8 sampleData[4096] = {0};
ma_uint32 bytesPerFrame;
ma_uint32 bytesPerSample;
ma_uint64 samplesRead;
bytesPerFrame = ma_dr_wav_get_bytes_per_pcm_frame(pWav);
if (bytesPerFrame == 0) {
return 0;
}
bytesPerSample = bytesPerFrame / pWav->channels;
if (bytesPerSample == 0 || (bytesPerFrame % pWav->channels) != 0) {
return 0;
}
totalFramesRead = 0;
while (framesToRead > 0) {
ma_uint64 framesToReadThisIteration = ma_dr_wav_min(framesToRead, sizeof(sampleData)/bytesPerFrame);
ma_uint64 framesRead = ma_dr_wav_read_pcm_frames(pWav, framesToReadThisIteration, sampleData);
if (framesRead == 0) {
break;
}
MA_DR_WAV_ASSERT(framesRead <= framesToReadThisIteration);
samplesRead = framesRead * pWav->channels;
if ((samplesRead * bytesPerSample) > sizeof(sampleData)) {
MA_DR_WAV_ASSERT(MA_FALSE);
break;
}
ma_dr_wav_mulaw_to_s32(pBufferOut, sampleData, (size_t)samplesRead);
#ifdef MA_DR_WAV_LIBSNDFILE_COMPAT
{
if (pWav->container == ma_dr_wav_container_aiff) {
ma_uint64 iSample;
for (iSample = 0; iSample < samplesRead; iSample += 1) {
pBufferOut[iSample] = -pBufferOut[iSample];
}
}
}
#endif
pBufferOut += samplesRead;
framesToRead -= framesRead;
totalFramesRead += framesRead;
}
return totalFramesRead;
}
MA_API ma_uint64 ma_dr_wav_read_pcm_frames_s32(ma_dr_wav* pWav, ma_uint64 framesToRead, ma_int32* pBufferOut)
{
if (pWav == NULL || framesToRead == 0) {
return 0;
}
if (pBufferOut == NULL) {
return ma_dr_wav_read_pcm_frames(pWav, framesToRead, NULL);
}
if (framesToRead * pWav->channels * sizeof(ma_int32) > MA_SIZE_MAX) {
framesToRead = MA_SIZE_MAX / sizeof(ma_int32) / pWav->channels;
}
if (pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_PCM) {
return ma_dr_wav_read_pcm_frames_s32__pcm(pWav, framesToRead, pBufferOut);
}
if (pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_ADPCM || pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_DVI_ADPCM) {
return ma_dr_wav_read_pcm_frames_s32__msadpcm_ima(pWav, framesToRead, pBufferOut);
}
if (pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_IEEE_FLOAT) {
return ma_dr_wav_read_pcm_frames_s32__ieee(pWav, framesToRead, pBufferOut);
}
if (pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_ALAW) {
return ma_dr_wav_read_pcm_frames_s32__alaw(pWav, framesToRead, pBufferOut);
}
if (pWav->translatedFormatTag == MA_DR_WAVE_FORMAT_MULAW) {
return ma_dr_wav_read_pcm_frames_s32__mulaw(pWav, framesToRead, pBufferOut);
}
return 0;
}
MA_API ma_uint64 ma_dr_wav_read_pcm_frames_s32le(ma_dr_wav* pWav, ma_uint64 framesToRead, ma_int32* pBufferOut)
{
ma_uint64 framesRead = ma_dr_wav_read_pcm_frames_s32(pWav, framesToRead, pBufferOut);
if (pBufferOut != NULL && ma_dr_wav__is_little_endian() == MA_FALSE) {
ma_dr_wav__bswap_samples_s32(pBufferOut, framesRead*pWav->channels);
}
return framesRead;
}
MA_API ma_uint64 ma_dr_wav_read_pcm_frames_s32be(ma_dr_wav* pWav, ma_uint64 framesToRead, ma_int32* pBufferOut)
{
ma_uint64 framesRead = ma_dr_wav_read_pcm_frames_s32(pWav, framesToRead, pBufferOut);
if (pBufferOut != NULL && ma_dr_wav__is_little_endian() == MA_TRUE) {
ma_dr_wav__bswap_samples_s32(pBufferOut, framesRead*pWav->channels);
}
return framesRead;
}
MA_API void ma_dr_wav_u8_to_s32(ma_int32* pOut, const ma_uint8* pIn, size_t sampleCount)
{
size_t i;
if (pOut == NULL || pIn == NULL) {
return;
}
for (i = 0; i < sampleCount; ++i) {
*pOut++ = ((int)pIn[i] - 128) << 24;
}
}
MA_API void ma_dr_wav_s16_to_s32(ma_int32* pOut, const ma_int16* pIn, size_t sampleCount)
{
size_t i;
if (pOut == NULL || pIn == NULL) {
return;
}
for (i = 0; i < sampleCount; ++i) {
*pOut++ = pIn[i] << 16;
}
}
MA_API void ma_dr_wav_s24_to_s32(ma_int32* pOut, const ma_uint8* pIn, size_t sampleCount)
{
size_t i;
if (pOut == NULL || pIn == NULL) {
return;
}
for (i = 0; i < sampleCount; ++i) {
unsigned int s0 = pIn[i*3 + 0];
unsigned int s1 = pIn[i*3 + 1];
unsigned int s2 = pIn[i*3 + 2];
ma_int32 sample32 = (ma_int32)((s0 << 8) | (s1 << 16) | (s2 << 24));
*pOut++ = sample32;
}
}
MA_API void ma_dr_wav_f32_to_s32(ma_int32* pOut, const float* pIn, size_t sampleCount)
{
size_t i;
if (pOut == NULL || pIn == NULL) {
return;
}
for (i = 0; i < sampleCount; ++i) {
*pOut++ = (ma_int32)(2147483648.0f * pIn[i]);
}
}
MA_API void ma_dr_wav_f64_to_s32(ma_int32* pOut, const double* pIn, size_t sampleCount)
{
size_t i;
if (pOut == NULL || pIn == NULL) {
return;
}
for (i = 0; i < sampleCount; ++i) {
*pOut++ = (ma_int32)(2147483648.0 * pIn[i]);
}
}
MA_API void ma_dr_wav_alaw_to_s32(ma_int32* pOut, const ma_uint8* pIn, size_t sampleCount)
{
size_t i;
if (pOut == NULL || pIn == NULL) {
return;
}
for (i = 0; i < sampleCount; ++i) {
*pOut++ = ((ma_int32)ma_dr_wav__alaw_to_s16(pIn[i])) << 16;
}
}
MA_API void ma_dr_wav_mulaw_to_s32(ma_int32* pOut, const ma_uint8* pIn, size_t sampleCount)
{
size_t i;
if (pOut == NULL || pIn == NULL) {
return;
}
for (i= 0; i < sampleCount; ++i) {
*pOut++ = ((ma_int32)ma_dr_wav__mulaw_to_s16(pIn[i])) << 16;
}
}
MA_PRIVATE ma_int16* ma_dr_wav__read_pcm_frames_and_close_s16(ma_dr_wav* pWav, unsigned int* channels, unsigned int* sampleRate, ma_uint64* totalFrameCount)
{
ma_uint64 sampleDataSize;
ma_int16* pSampleData;
ma_uint64 framesRead;
MA_DR_WAV_ASSERT(pWav != NULL);
if (pWav->channels == 0 || pWav->totalPCMFrameCount > MA_SIZE_MAX / pWav->channels / sizeof(ma_int16)) {
ma_dr_wav_uninit(pWav);
return NULL;
}
sampleDataSize = pWav->totalPCMFrameCount * pWav->channels * sizeof(ma_int16);
if (sampleDataSize > MA_SIZE_MAX) {
ma_dr_wav_uninit(pWav);
return NULL;
}
pSampleData = (ma_int16*)ma_dr_wav__malloc_from_callbacks((size_t)sampleDataSize, &pWav->allocationCallbacks);
if (pSampleData == NULL) {
ma_dr_wav_uninit(pWav);
return NULL;
}
framesRead = ma_dr_wav_read_pcm_frames_s16(pWav, (size_t)pWav->totalPCMFrameCount, pSampleData);
if (framesRead != pWav->totalPCMFrameCount) {
ma_dr_wav__free_from_callbacks(pSampleData, &pWav->allocationCallbacks);
ma_dr_wav_uninit(pWav);
return NULL;
}
ma_dr_wav_uninit(pWav);
if (sampleRate) {
*sampleRate = pWav->sampleRate;
}
if (channels) {
*channels = pWav->channels;
}
if (totalFrameCount) {
*totalFrameCount = pWav->totalPCMFrameCount;
}
return pSampleData;
}
MA_PRIVATE float* ma_dr_wav__read_pcm_frames_and_close_f32(ma_dr_wav* pWav, unsigned int* channels, unsigned int* sampleRate, ma_uint64* totalFrameCount)
{
ma_uint64 sampleDataSize;
float* pSampleData;
ma_uint64 framesRead;
MA_DR_WAV_ASSERT(pWav != NULL);
if (pWav->channels == 0 || pWav->totalPCMFrameCount > MA_SIZE_MAX / pWav->channels / sizeof(float)) {
ma_dr_wav_uninit(pWav);
return NULL;
}
sampleDataSize = pWav->totalPCMFrameCount * pWav->channels * sizeof(float);
if (sampleDataSize > MA_SIZE_MAX) {
ma_dr_wav_uninit(pWav);
return NULL;
}
pSampleData = (float*)ma_dr_wav__malloc_from_callbacks((size_t)sampleDataSize, &pWav->allocationCallbacks);
if (pSampleData == NULL) {
ma_dr_wav_uninit(pWav);
return NULL;
}
framesRead = ma_dr_wav_read_pcm_frames_f32(pWav, (size_t)pWav->totalPCMFrameCount, pSampleData);
if (framesRead != pWav->totalPCMFrameCount) {
ma_dr_wav__free_from_callbacks(pSampleData, &pWav->allocationCallbacks);
ma_dr_wav_uninit(pWav);
return NULL;
}
ma_dr_wav_uninit(pWav);
if (sampleRate) {
*sampleRate = pWav->sampleRate;
}
if (channels) {
*channels = pWav->channels;
}
if (totalFrameCount) {
*totalFrameCount = pWav->totalPCMFrameCount;
}
return pSampleData;
}
MA_PRIVATE ma_int32* ma_dr_wav__read_pcm_frames_and_close_s32(ma_dr_wav* pWav, unsigned int* channels, unsigned int* sampleRate, ma_uint64* totalFrameCount)
{
ma_uint64 sampleDataSize;
ma_int32* pSampleData;
ma_uint64 framesRead;
MA_DR_WAV_ASSERT(pWav != NULL);
if (pWav->channels == 0 || pWav->totalPCMFrameCount > MA_SIZE_MAX / pWav->channels / sizeof(ma_int32)) {
ma_dr_wav_uninit(pWav);
return NULL;
}
sampleDataSize = pWav->totalPCMFrameCount * pWav->channels * sizeof(ma_int32);
if (sampleDataSize > MA_SIZE_MAX) {
ma_dr_wav_uninit(pWav);
return NULL;
}
pSampleData = (ma_int32*)ma_dr_wav__malloc_from_callbacks((size_t)sampleDataSize, &pWav->allocationCallbacks);
if (pSampleData == NULL) {
ma_dr_wav_uninit(pWav);
return NULL;
}
framesRead = ma_dr_wav_read_pcm_frames_s32(pWav, (size_t)pWav->totalPCMFrameCount, pSampleData);
if (framesRead != pWav->totalPCMFrameCount) {
ma_dr_wav__free_from_callbacks(pSampleData, &pWav->allocationCallbacks);
ma_dr_wav_uninit(pWav);
return NULL;
}
ma_dr_wav_uninit(pWav);
if (sampleRate) {
*sampleRate = pWav->sampleRate;
}
if (channels) {
*channels = pWav->channels;
}
if (totalFrameCount) {
*totalFrameCount = pWav->totalPCMFrameCount;
}
return pSampleData;
}
MA_API ma_int16* ma_dr_wav_open_and_read_pcm_frames_s16(ma_dr_wav_read_proc onRead, ma_dr_wav_seek_proc onSeek, ma_dr_wav_tell_proc onTell, void* pUserData, unsigned int* channelsOut, unsigned int* sampleRateOut, ma_uint64* totalFrameCountOut, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_wav wav;
if (channelsOut) {
*channelsOut = 0;
}
if (sampleRateOut) {
*sampleRateOut = 0;
}
if (totalFrameCountOut) {
*totalFrameCountOut = 0;
}
if (!ma_dr_wav_init(&wav, onRead, onSeek, onTell, pUserData, pAllocationCallbacks)) {
return NULL;
}
return ma_dr_wav__read_pcm_frames_and_close_s16(&wav, channelsOut, sampleRateOut, totalFrameCountOut);
}
MA_API float* ma_dr_wav_open_and_read_pcm_frames_f32(ma_dr_wav_read_proc onRead, ma_dr_wav_seek_proc onSeek, ma_dr_wav_tell_proc onTell, void* pUserData, unsigned int* channelsOut, unsigned int* sampleRateOut, ma_uint64* totalFrameCountOut, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_wav wav;
if (channelsOut) {
*channelsOut = 0;
}
if (sampleRateOut) {
*sampleRateOut = 0;
}
if (totalFrameCountOut) {
*totalFrameCountOut = 0;
}
if (!ma_dr_wav_init(&wav, onRead, onSeek, onTell, pUserData, pAllocationCallbacks)) {
return NULL;
}
return ma_dr_wav__read_pcm_frames_and_close_f32(&wav, channelsOut, sampleRateOut, totalFrameCountOut);
}
MA_API ma_int32* ma_dr_wav_open_and_read_pcm_frames_s32(ma_dr_wav_read_proc onRead, ma_dr_wav_seek_proc onSeek, ma_dr_wav_tell_proc onTell, void* pUserData, unsigned int* channelsOut, unsigned int* sampleRateOut, ma_uint64* totalFrameCountOut, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_wav wav;
if (channelsOut) {
*channelsOut = 0;
}
if (sampleRateOut) {
*sampleRateOut = 0;
}
if (totalFrameCountOut) {
*totalFrameCountOut = 0;
}
if (!ma_dr_wav_init(&wav, onRead, onSeek, onTell, pUserData, pAllocationCallbacks)) {
return NULL;
}
return ma_dr_wav__read_pcm_frames_and_close_s32(&wav, channelsOut, sampleRateOut, totalFrameCountOut);
}
#ifndef MA_DR_WAV_NO_STDIO
MA_API ma_int16* ma_dr_wav_open_file_and_read_pcm_frames_s16(const char* filename, unsigned int* channelsOut, unsigned int* sampleRateOut, ma_uint64* totalFrameCountOut, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_wav wav;
if (channelsOut) {
*channelsOut = 0;
}
if (sampleRateOut) {
*sampleRateOut = 0;
}
if (totalFrameCountOut) {
*totalFrameCountOut = 0;
}
if (!ma_dr_wav_init_file(&wav, filename, pAllocationCallbacks)) {
return NULL;
}
return ma_dr_wav__read_pcm_frames_and_close_s16(&wav, channelsOut, sampleRateOut, totalFrameCountOut);
}
MA_API float* ma_dr_wav_open_file_and_read_pcm_frames_f32(const char* filename, unsigned int* channelsOut, unsigned int* sampleRateOut, ma_uint64* totalFrameCountOut, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_wav wav;
if (channelsOut) {
*channelsOut = 0;
}
if (sampleRateOut) {
*sampleRateOut = 0;
}
if (totalFrameCountOut) {
*totalFrameCountOut = 0;
}
if (!ma_dr_wav_init_file(&wav, filename, pAllocationCallbacks)) {
return NULL;
}
return ma_dr_wav__read_pcm_frames_and_close_f32(&wav, channelsOut, sampleRateOut, totalFrameCountOut);
}
MA_API ma_int32* ma_dr_wav_open_file_and_read_pcm_frames_s32(const char* filename, unsigned int* channelsOut, unsigned int* sampleRateOut, ma_uint64* totalFrameCountOut, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_wav wav;
if (channelsOut) {
*channelsOut = 0;
}
if (sampleRateOut) {
*sampleRateOut = 0;
}
if (totalFrameCountOut) {
*totalFrameCountOut = 0;
}
if (!ma_dr_wav_init_file(&wav, filename, pAllocationCallbacks)) {
return NULL;
}
return ma_dr_wav__read_pcm_frames_and_close_s32(&wav, channelsOut, sampleRateOut, totalFrameCountOut);
}
#ifndef MA_DR_WAV_NO_WCHAR
MA_API ma_int16* ma_dr_wav_open_file_and_read_pcm_frames_s16_w(const wchar_t* filename, unsigned int* channelsOut, unsigned int* sampleRateOut, ma_uint64* totalFrameCountOut, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_wav wav;
if (sampleRateOut) {
*sampleRateOut = 0;
}
if (channelsOut) {
*channelsOut = 0;
}
if (totalFrameCountOut) {
*totalFrameCountOut = 0;
}
if (!ma_dr_wav_init_file_w(&wav, filename, pAllocationCallbacks)) {
return NULL;
}
return ma_dr_wav__read_pcm_frames_and_close_s16(&wav, channelsOut, sampleRateOut, totalFrameCountOut);
}
MA_API float* ma_dr_wav_open_file_and_read_pcm_frames_f32_w(const wchar_t* filename, unsigned int* channelsOut, unsigned int* sampleRateOut, ma_uint64* totalFrameCountOut, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_wav wav;
if (sampleRateOut) {
*sampleRateOut = 0;
}
if (channelsOut) {
*channelsOut = 0;
}
if (totalFrameCountOut) {
*totalFrameCountOut = 0;
}
if (!ma_dr_wav_init_file_w(&wav, filename, pAllocationCallbacks)) {
return NULL;
}
return ma_dr_wav__read_pcm_frames_and_close_f32(&wav, channelsOut, sampleRateOut, totalFrameCountOut);
}
MA_API ma_int32* ma_dr_wav_open_file_and_read_pcm_frames_s32_w(const wchar_t* filename, unsigned int* channelsOut, unsigned int* sampleRateOut, ma_uint64* totalFrameCountOut, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_wav wav;
if (sampleRateOut) {
*sampleRateOut = 0;
}
if (channelsOut) {
*channelsOut = 0;
}
if (totalFrameCountOut) {
*totalFrameCountOut = 0;
}
if (!ma_dr_wav_init_file_w(&wav, filename, pAllocationCallbacks)) {
return NULL;
}
return ma_dr_wav__read_pcm_frames_and_close_s32(&wav, channelsOut, sampleRateOut, totalFrameCountOut);
}
#endif
#endif
MA_API ma_int16* ma_dr_wav_open_memory_and_read_pcm_frames_s16(const void* data, size_t dataSize, unsigned int* channelsOut, unsigned int* sampleRateOut, ma_uint64* totalFrameCountOut, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_wav wav;
if (channelsOut) {
*channelsOut = 0;
}
if (sampleRateOut) {
*sampleRateOut = 0;
}
if (totalFrameCountOut) {
*totalFrameCountOut = 0;
}
if (!ma_dr_wav_init_memory(&wav, data, dataSize, pAllocationCallbacks)) {
return NULL;
}
return ma_dr_wav__read_pcm_frames_and_close_s16(&wav, channelsOut, sampleRateOut, totalFrameCountOut);
}
MA_API float* ma_dr_wav_open_memory_and_read_pcm_frames_f32(const void* data, size_t dataSize, unsigned int* channelsOut, unsigned int* sampleRateOut, ma_uint64* totalFrameCountOut, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_wav wav;
if (channelsOut) {
*channelsOut = 0;
}
if (sampleRateOut) {
*sampleRateOut = 0;
}
if (totalFrameCountOut) {
*totalFrameCountOut = 0;
}
if (!ma_dr_wav_init_memory(&wav, data, dataSize, pAllocationCallbacks)) {
return NULL;
}
return ma_dr_wav__read_pcm_frames_and_close_f32(&wav, channelsOut, sampleRateOut, totalFrameCountOut);
}
MA_API ma_int32* ma_dr_wav_open_memory_and_read_pcm_frames_s32(const void* data, size_t dataSize, unsigned int* channelsOut, unsigned int* sampleRateOut, ma_uint64* totalFrameCountOut, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_wav wav;
if (channelsOut) {
*channelsOut = 0;
}
if (sampleRateOut) {
*sampleRateOut = 0;
}
if (totalFrameCountOut) {
*totalFrameCountOut = 0;
}
if (!ma_dr_wav_init_memory(&wav, data, dataSize, pAllocationCallbacks)) {
return NULL;
}
return ma_dr_wav__read_pcm_frames_and_close_s32(&wav, channelsOut, sampleRateOut, totalFrameCountOut);
}
#endif
MA_API void ma_dr_wav_free(void* p, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pAllocationCallbacks != NULL) {
ma_dr_wav__free_from_callbacks(p, pAllocationCallbacks);
} else {
ma_dr_wav__free_default(p, NULL);
}
}
MA_API ma_uint16 ma_dr_wav_bytes_to_u16(const ma_uint8* data)
{
return ((ma_uint16)data[0] << 0) | ((ma_uint16)data[1] << 8);
}
MA_API ma_int16 ma_dr_wav_bytes_to_s16(const ma_uint8* data)
{
return (ma_int16)ma_dr_wav_bytes_to_u16(data);
}
MA_API ma_uint32 ma_dr_wav_bytes_to_u32(const ma_uint8* data)
{
return ma_dr_wav_bytes_to_u32_le(data);
}
MA_API float ma_dr_wav_bytes_to_f32(const ma_uint8* data)
{
union {
ma_uint32 u32;
float f32;
} value;
value.u32 = ma_dr_wav_bytes_to_u32(data);
return value.f32;
}
MA_API ma_int32 ma_dr_wav_bytes_to_s32(const ma_uint8* data)
{
return (ma_int32)ma_dr_wav_bytes_to_u32(data);
}
MA_API ma_uint64 ma_dr_wav_bytes_to_u64(const ma_uint8* data)
{
return
((ma_uint64)data[0] << 0) | ((ma_uint64)data[1] << 8) | ((ma_uint64)data[2] << 16) | ((ma_uint64)data[3] << 24) |
((ma_uint64)data[4] << 32) | ((ma_uint64)data[5] << 40) | ((ma_uint64)data[6] << 48) | ((ma_uint64)data[7] << 56);
}
MA_API ma_int64 ma_dr_wav_bytes_to_s64(const ma_uint8* data)
{
return (ma_int64)ma_dr_wav_bytes_to_u64(data);
}
MA_API ma_bool32 ma_dr_wav_guid_equal(const ma_uint8 a[16], const ma_uint8 b[16])
{
int i;
for (i = 0; i < 16; i += 1) {
if (a[i] != b[i]) {
return MA_FALSE;
}
}
return MA_TRUE;
}
MA_API ma_bool32 ma_dr_wav_fourcc_equal(const ma_uint8* a, const char* b)
{
return
a[0] == b[0] &&
a[1] == b[1] &&
a[2] == b[2] &&
a[3] == b[3];
}
#ifdef __MRC__
#pragma options opt reset
#endif
#endif
#endif
#endif
#if !defined(MA_NO_FLAC) && !defined(MA_NO_DECODING)
#if !defined(MA_DR_FLAC_IMPLEMENTATION)
#ifndef ma_dr_flac_c
#define ma_dr_flac_c
#if defined(__clang__) || (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)))
#pragma GCC diagnostic push
#if __GNUC__ >= 7
#pragma GCC diagnostic ignored "-Wimplicit-fallthrough"
#endif
#endif
#ifdef __linux__
#ifndef _BSD_SOURCE
#define _BSD_SOURCE
#endif
#ifndef _DEFAULT_SOURCE
#define _DEFAULT_SOURCE
#endif
#ifndef __USE_BSD
#define __USE_BSD
#endif
#include <endian.h>
#endif
#include <stdlib.h>
#include <string.h>
#if !defined(MA_DR_FLAC_NO_SIMD)
#if defined(MA_X64) || defined(MA_X86)
#if defined(_MSC_VER) && !defined(__clang__)
#if _MSC_VER >= 1400 && !defined(MA_DR_FLAC_NO_SSE2)
#define MA_DR_FLAC_SUPPORT_SSE2
#endif
#if _MSC_VER >= 1600 && !defined(MA_DR_FLAC_NO_SSE41)
#define MA_DR_FLAC_SUPPORT_SSE41
#endif
#elif defined(__clang__) || (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)))
#if defined(__SSE2__) && !defined(MA_DR_FLAC_NO_SSE2)
#define MA_DR_FLAC_SUPPORT_SSE2
#endif
#if defined(__SSE4_1__) && !defined(MA_DR_FLAC_NO_SSE41)
#define MA_DR_FLAC_SUPPORT_SSE41
#endif
#endif
#if !defined(__GNUC__) && !defined(__clang__) && defined(__has_include)
#if !defined(MA_DR_FLAC_SUPPORT_SSE2) && !defined(MA_DR_FLAC_NO_SSE2) && __has_include(<emmintrin.h>)
#define MA_DR_FLAC_SUPPORT_SSE2
#endif
#if !defined(MA_DR_FLAC_SUPPORT_SSE41) && !defined(MA_DR_FLAC_NO_SSE41) && __has_include(<smmintrin.h>)
#define MA_DR_FLAC_SUPPORT_SSE41
#endif
#endif
#if defined(MA_DR_FLAC_SUPPORT_SSE41)
#include <smmintrin.h>
#elif defined(MA_DR_FLAC_SUPPORT_SSE2)
#include <emmintrin.h>
#endif
#endif
#if defined(MA_ARM)
#if !defined(MA_DR_FLAC_NO_NEON) && (defined(__ARM_NEON) || defined(__aarch64__) || defined(_M_ARM64))
#define MA_DR_FLAC_SUPPORT_NEON
#include <arm_neon.h>
#endif
#endif
#endif
#if !defined(MA_DR_FLAC_NO_SIMD) && (defined(MA_X86) || defined(MA_X64))
#if defined(_MSC_VER) && !defined(__clang__)
#if _MSC_VER >= 1400
#include <intrin.h>
static void ma_dr_flac__cpuid(int info[4], int fid)
{
__cpuid(info, fid);
}
#else
#define MA_DR_FLAC_NO_CPUID
#endif
#else
#if defined(__GNUC__) || defined(__clang__)
static void ma_dr_flac__cpuid(int info[4], int fid)
{
#if defined(MA_X86) && defined(__PIC__)
__asm__ __volatile__ (
"xchg{l} {%%}ebx, %k1;"
"cpuid;"
"xchg{l} {%%}ebx, %k1;"
: "=a"(info[0]), "=&r"(info[1]), "=c"(info[2]), "=d"(info[3]) : "a"(fid), "c"(0)
);
#else
__asm__ __volatile__ (
"cpuid" : "=a"(info[0]), "=b"(info[1]), "=c"(info[2]), "=d"(info[3]) : "a"(fid), "c"(0)
);
#endif
}
#else
#define MA_DR_FLAC_NO_CPUID
#endif
#endif
#else
#define MA_DR_FLAC_NO_CPUID
#endif
static MA_INLINE ma_bool32 ma_dr_flac_has_sse2(void)
{
#if defined(MA_DR_FLAC_SUPPORT_SSE2)
#if (defined(MA_X64) || defined(MA_X86)) && !defined(MA_DR_FLAC_NO_SSE2)
#if defined(MA_X64)
return MA_TRUE;
#elif (defined(_M_IX86_FP) && _M_IX86_FP == 2) || defined(__SSE2__)
return MA_TRUE;
#else
#if defined(MA_DR_FLAC_NO_CPUID)
return MA_FALSE;
#else
int info[4];
ma_dr_flac__cpuid(info, 1);
return (info[3] & (1 << 26)) != 0;
#endif
#endif
#else
return MA_FALSE;
#endif
#else
return MA_FALSE;
#endif
}
static MA_INLINE ma_bool32 ma_dr_flac_has_sse41(void)
{
#if defined(MA_DR_FLAC_SUPPORT_SSE41)
#if (defined(MA_X64) || defined(MA_X86)) && !defined(MA_DR_FLAC_NO_SSE41)
#if defined(__SSE4_1__) || defined(__AVX__)
return MA_TRUE;
#else
#if defined(MA_DR_FLAC_NO_CPUID)
return MA_FALSE;
#else
int info[4];
ma_dr_flac__cpuid(info, 1);
return (info[2] & (1 << 19)) != 0;
#endif
#endif
#else
return MA_FALSE;
#endif
#else
return MA_FALSE;
#endif
}
#if defined(_MSC_VER) && _MSC_VER >= 1500 && (defined(MA_X86) || defined(MA_X64)) && !defined(__clang__)
#define MA_DR_FLAC_HAS_LZCNT_INTRINSIC
#elif (defined(__GNUC__) && ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 7)))
#define MA_DR_FLAC_HAS_LZCNT_INTRINSIC
#elif defined(__clang__)
#if defined(__has_builtin)
#if __has_builtin(__builtin_clzll) || __has_builtin(__builtin_clzl)
#define MA_DR_FLAC_HAS_LZCNT_INTRINSIC
#endif
#endif
#endif
#if defined(_MSC_VER) && _MSC_VER >= 1400 && !defined(__clang__)
#define MA_DR_FLAC_HAS_BYTESWAP16_INTRINSIC
#define MA_DR_FLAC_HAS_BYTESWAP32_INTRINSIC
#define MA_DR_FLAC_HAS_BYTESWAP64_INTRINSIC
#elif defined(__clang__)
#if defined(__has_builtin)
#if __has_builtin(__builtin_bswap16)
#define MA_DR_FLAC_HAS_BYTESWAP16_INTRINSIC
#endif
#if __has_builtin(__builtin_bswap32)
#define MA_DR_FLAC_HAS_BYTESWAP32_INTRINSIC
#endif
#if __has_builtin(__builtin_bswap64)
#define MA_DR_FLAC_HAS_BYTESWAP64_INTRINSIC
#endif
#endif
#elif defined(__GNUC__)
#if ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
#define MA_DR_FLAC_HAS_BYTESWAP32_INTRINSIC
#define MA_DR_FLAC_HAS_BYTESWAP64_INTRINSIC
#endif
#if ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8))
#define MA_DR_FLAC_HAS_BYTESWAP16_INTRINSIC
#endif
#elif defined(__WATCOMC__) && defined(__386__)
#define MA_DR_FLAC_HAS_BYTESWAP16_INTRINSIC
#define MA_DR_FLAC_HAS_BYTESWAP32_INTRINSIC
#define MA_DR_FLAC_HAS_BYTESWAP64_INTRINSIC
extern __inline ma_uint16 _watcom_bswap16(ma_uint16);
extern __inline ma_uint32 _watcom_bswap32(ma_uint32);
extern __inline ma_uint64 _watcom_bswap64(ma_uint64);
#pragma aux _watcom_bswap16 = \
"xchg al, ah" \
parm [ax] \
value [ax] \
modify nomemory;
#pragma aux _watcom_bswap32 = \
"bswap eax" \
parm [eax] \
value [eax] \
modify nomemory;
#pragma aux _watcom_bswap64 = \
"bswap eax" \
"bswap edx" \
"xchg eax,edx" \
parm [eax edx] \
value [eax edx] \
modify nomemory;
#endif
#ifndef MA_DR_FLAC_ASSERT
#include <assert.h>
#define MA_DR_FLAC_ASSERT(expression) assert(expression)
#endif
#ifndef MA_DR_FLAC_MALLOC
#define MA_DR_FLAC_MALLOC(sz) malloc((sz))
#endif
#ifndef MA_DR_FLAC_REALLOC
#define MA_DR_FLAC_REALLOC(p, sz) realloc((p), (sz))
#endif
#ifndef MA_DR_FLAC_FREE
#define MA_DR_FLAC_FREE(p) free((p))
#endif
#ifndef MA_DR_FLAC_COPY_MEMORY
#define MA_DR_FLAC_COPY_MEMORY(dst, src, sz) memcpy((dst), (src), (sz))
#endif
#ifndef MA_DR_FLAC_ZERO_MEMORY
#define MA_DR_FLAC_ZERO_MEMORY(p, sz) memset((p), 0, (sz))
#endif
#ifndef MA_DR_FLAC_ZERO_OBJECT
#define MA_DR_FLAC_ZERO_OBJECT(p) MA_DR_FLAC_ZERO_MEMORY((p), sizeof(*(p)))
#endif
#define MA_DR_FLAC_MAX_SIMD_VECTOR_SIZE 64
#define MA_DR_FLAC_SUBFRAME_CONSTANT 0
#define MA_DR_FLAC_SUBFRAME_VERBATIM 1
#define MA_DR_FLAC_SUBFRAME_FIXED 8
#define MA_DR_FLAC_SUBFRAME_LPC 32
#define MA_DR_FLAC_SUBFRAME_RESERVED 255
#define MA_DR_FLAC_RESIDUAL_CODING_METHOD_PARTITIONED_RICE 0
#define MA_DR_FLAC_RESIDUAL_CODING_METHOD_PARTITIONED_RICE2 1
#define MA_DR_FLAC_CHANNEL_ASSIGNMENT_INDEPENDENT 0
#define MA_DR_FLAC_CHANNEL_ASSIGNMENT_LEFT_SIDE 8
#define MA_DR_FLAC_CHANNEL_ASSIGNMENT_RIGHT_SIDE 9
#define MA_DR_FLAC_CHANNEL_ASSIGNMENT_MID_SIDE 10
#define MA_DR_FLAC_SEEKPOINT_SIZE_IN_BYTES 18
#define MA_DR_FLAC_CUESHEET_TRACK_SIZE_IN_BYTES 36
#define MA_DR_FLAC_CUESHEET_TRACK_INDEX_SIZE_IN_BYTES 12
#define ma_dr_flac_align(x, a) ((((x) + (a) - 1) / (a)) * (a))
MA_API void ma_dr_flac_version(ma_uint32* pMajor, ma_uint32* pMinor, ma_uint32* pRevision)
{
if (pMajor) {
*pMajor = MA_DR_FLAC_VERSION_MAJOR;
}
if (pMinor) {
*pMinor = MA_DR_FLAC_VERSION_MINOR;
}
if (pRevision) {
*pRevision = MA_DR_FLAC_VERSION_REVISION;
}
}
MA_API const char* ma_dr_flac_version_string(void)
{
return MA_DR_FLAC_VERSION_STRING;
}
#if defined(__has_feature)
#if __has_feature(thread_sanitizer)
#define MA_DR_FLAC_NO_THREAD_SANITIZE __attribute__((no_sanitize("thread")))
#else
#define MA_DR_FLAC_NO_THREAD_SANITIZE
#endif
#else
#define MA_DR_FLAC_NO_THREAD_SANITIZE
#endif
#if defined(MA_DR_FLAC_HAS_LZCNT_INTRINSIC)
static ma_bool32 ma_dr_flac__gIsLZCNTSupported = MA_FALSE;
#endif
#ifndef MA_DR_FLAC_NO_CPUID
static ma_bool32 ma_dr_flac__gIsSSE2Supported = MA_FALSE;
static ma_bool32 ma_dr_flac__gIsSSE41Supported = MA_FALSE;
MA_DR_FLAC_NO_THREAD_SANITIZE static void ma_dr_flac__init_cpu_caps(void)
{
static ma_bool32 isCPUCapsInitialized = MA_FALSE;
if (!isCPUCapsInitialized) {
#if defined(MA_DR_FLAC_HAS_LZCNT_INTRINSIC)
int info[4] = {0};
ma_dr_flac__cpuid(info, 0x80000001);
ma_dr_flac__gIsLZCNTSupported = (info[2] & (1 << 5)) != 0;
#endif
ma_dr_flac__gIsSSE2Supported = ma_dr_flac_has_sse2();
ma_dr_flac__gIsSSE41Supported = ma_dr_flac_has_sse41();
isCPUCapsInitialized = MA_TRUE;
}
}
#else
static ma_bool32 ma_dr_flac__gIsNEONSupported = MA_FALSE;
static MA_INLINE ma_bool32 ma_dr_flac__has_neon(void)
{
#if defined(MA_DR_FLAC_SUPPORT_NEON)
#if defined(MA_ARM) && !defined(MA_DR_FLAC_NO_NEON)
#if (defined(__ARM_NEON) || defined(__aarch64__) || defined(_M_ARM64))
return MA_TRUE;
#else
return MA_FALSE;
#endif
#else
return MA_FALSE;
#endif
#else
return MA_FALSE;
#endif
}
MA_DR_FLAC_NO_THREAD_SANITIZE static void ma_dr_flac__init_cpu_caps(void)
{
ma_dr_flac__gIsNEONSupported = ma_dr_flac__has_neon();
#if defined(MA_DR_FLAC_HAS_LZCNT_INTRINSIC) && defined(MA_ARM) && (defined(__ARM_ARCH) && __ARM_ARCH >= 5)
ma_dr_flac__gIsLZCNTSupported = MA_TRUE;
#endif
}
#endif
static MA_INLINE ma_bool32 ma_dr_flac__is_little_endian(void)
{
#if defined(MA_X86) || defined(MA_X64)
return MA_TRUE;
#elif defined(__BYTE_ORDER) && defined(__LITTLE_ENDIAN) && __BYTE_ORDER == __LITTLE_ENDIAN
return MA_TRUE;
#else
int n = 1;
return (*(char*)&n) == 1;
#endif
}
static MA_INLINE ma_uint16 ma_dr_flac__swap_endian_uint16(ma_uint16 n)
{
#ifdef MA_DR_FLAC_HAS_BYTESWAP16_INTRINSIC
#if defined(_MSC_VER) && !defined(__clang__)
return _byteswap_ushort(n);
#elif defined(__GNUC__) || defined(__clang__)
return __builtin_bswap16(n);
#elif defined(__WATCOMC__) && defined(__386__)
return _watcom_bswap16(n);
#else
#error "This compiler does not support the byte swap intrinsic."
#endif
#else
return ((n & 0xFF00) >> 8) |
((n & 0x00FF) << 8);
#endif
}
static MA_INLINE ma_uint32 ma_dr_flac__swap_endian_uint32(ma_uint32 n)
{
#ifdef MA_DR_FLAC_HAS_BYTESWAP32_INTRINSIC
#if defined(_MSC_VER) && !defined(__clang__)
return _byteswap_ulong(n);
#elif defined(__GNUC__) || defined(__clang__)
#if defined(MA_ARM) && (defined(__ARM_ARCH) && __ARM_ARCH >= 6) && !defined(__ARM_ARCH_6M__) && !defined(MA_64BIT)
ma_uint32 r;
__asm__ __volatile__ (
#if defined(MA_64BIT)
"rev %w[out], %w[in]" : [out]"=r"(r) : [in]"r"(n)
#else
"rev %[out], %[in]" : [out]"=r"(r) : [in]"r"(n)
#endif
);
return r;
#else
return __builtin_bswap32(n);
#endif
#elif defined(__WATCOMC__) && defined(__386__)
return _watcom_bswap32(n);
#else
#error "This compiler does not support the byte swap intrinsic."
#endif
#else
return ((n & 0xFF000000) >> 24) |
((n & 0x00FF0000) >> 8) |
((n & 0x0000FF00) << 8) |
((n & 0x000000FF) << 24);
#endif
}
static MA_INLINE ma_uint64 ma_dr_flac__swap_endian_uint64(ma_uint64 n)
{
#ifdef MA_DR_FLAC_HAS_BYTESWAP64_INTRINSIC
#if defined(_MSC_VER) && !defined(__clang__)
return _byteswap_uint64(n);
#elif defined(__GNUC__) || defined(__clang__)
return __builtin_bswap64(n);
#elif defined(__WATCOMC__) && defined(__386__)
return _watcom_bswap64(n);
#else
#error "This compiler does not support the byte swap intrinsic."
#endif
#else
return ((n & ((ma_uint64)0xFF000000 << 32)) >> 56) |
((n & ((ma_uint64)0x00FF0000 << 32)) >> 40) |
((n & ((ma_uint64)0x0000FF00 << 32)) >> 24) |
((n & ((ma_uint64)0x000000FF << 32)) >> 8) |
((n & ((ma_uint64)0xFF000000 )) << 8) |
((n & ((ma_uint64)0x00FF0000 )) << 24) |
((n & ((ma_uint64)0x0000FF00 )) << 40) |
((n & ((ma_uint64)0x000000FF )) << 56);
#endif
}
static MA_INLINE ma_uint16 ma_dr_flac__be2host_16(ma_uint16 n)
{
if (ma_dr_flac__is_little_endian()) {
return ma_dr_flac__swap_endian_uint16(n);
}
return n;
}
static MA_INLINE ma_uint32 ma_dr_flac__be2host_32(ma_uint32 n)
{
if (ma_dr_flac__is_little_endian()) {
return ma_dr_flac__swap_endian_uint32(n);
}
return n;
}
static MA_INLINE ma_uint32 ma_dr_flac__be2host_32_ptr_unaligned(const void* pData)
{
const ma_uint8* pNum = (ma_uint8*)pData;
return *(pNum) << 24 | *(pNum+1) << 16 | *(pNum+2) << 8 | *(pNum+3);
}
static MA_INLINE ma_uint64 ma_dr_flac__be2host_64(ma_uint64 n)
{
if (ma_dr_flac__is_little_endian()) {
return ma_dr_flac__swap_endian_uint64(n);
}
return n;
}
static MA_INLINE ma_uint32 ma_dr_flac__le2host_32(ma_uint32 n)
{
if (!ma_dr_flac__is_little_endian()) {
return ma_dr_flac__swap_endian_uint32(n);
}
return n;
}
static MA_INLINE ma_uint32 ma_dr_flac__le2host_32_ptr_unaligned(const void* pData)
{
const ma_uint8* pNum = (ma_uint8*)pData;
return *pNum | *(pNum+1) << 8 | *(pNum+2) << 16 | *(pNum+3) << 24;
}
static MA_INLINE ma_uint32 ma_dr_flac__unsynchsafe_32(ma_uint32 n)
{
ma_uint32 result = 0;
result |= (n & 0x7F000000) >> 3;
result |= (n & 0x007F0000) >> 2;
result |= (n & 0x00007F00) >> 1;
result |= (n & 0x0000007F) >> 0;
return result;
}
static ma_uint8 ma_dr_flac__crc8_table[] = {
0x00, 0x07, 0x0E, 0x09, 0x1C, 0x1B, 0x12, 0x15, 0x38, 0x3F, 0x36, 0x31, 0x24, 0x23, 0x2A, 0x2D,
0x70, 0x77, 0x7E, 0x79, 0x6C, 0x6B, 0x62, 0x65, 0x48, 0x4F, 0x46, 0x41, 0x54, 0x53, 0x5A, 0x5D,
0xE0, 0xE7, 0xEE, 0xE9, 0xFC, 0xFB, 0xF2, 0xF5, 0xD8, 0xDF, 0xD6, 0xD1, 0xC4, 0xC3, 0xCA, 0xCD,
0x90, 0x97, 0x9E, 0x99, 0x8C, 0x8B, 0x82, 0x85, 0xA8, 0xAF, 0xA6, 0xA1, 0xB4, 0xB3, 0xBA, 0xBD,
0xC7, 0xC0, 0xC9, 0xCE, 0xDB, 0xDC, 0xD5, 0xD2, 0xFF, 0xF8, 0xF1, 0xF6, 0xE3, 0xE4, 0xED, 0xEA,
0xB7, 0xB0, 0xB9, 0xBE, 0xAB, 0xAC, 0xA5, 0xA2, 0x8F, 0x88, 0x81, 0x86, 0x93, 0x94, 0x9D, 0x9A,
0x27, 0x20, 0x29, 0x2E, 0x3B, 0x3C, 0x35, 0x32, 0x1F, 0x18, 0x11, 0x16, 0x03, 0x04, 0x0D, 0x0A,
0x57, 0x50, 0x59, 0x5E, 0x4B, 0x4C, 0x45, 0x42, 0x6F, 0x68, 0x61, 0x66, 0x73, 0x74, 0x7D, 0x7A,
0x89, 0x8E, 0x87, 0x80, 0x95, 0x92, 0x9B, 0x9C, 0xB1, 0xB6, 0xBF, 0xB8, 0xAD, 0xAA, 0xA3, 0xA4,
0xF9, 0xFE, 0xF7, 0xF0, 0xE5, 0xE2, 0xEB, 0xEC, 0xC1, 0xC6, 0xCF, 0xC8, 0xDD, 0xDA, 0xD3, 0xD4,
0x69, 0x6E, 0x67, 0x60, 0x75, 0x72, 0x7B, 0x7C, 0x51, 0x56, 0x5F, 0x58, 0x4D, 0x4A, 0x43, 0x44,
0x19, 0x1E, 0x17, 0x10, 0x05, 0x02, 0x0B, 0x0C, 0x21, 0x26, 0x2F, 0x28, 0x3D, 0x3A, 0x33, 0x34,
0x4E, 0x49, 0x40, 0x47, 0x52, 0x55, 0x5C, 0x5B, 0x76, 0x71, 0x78, 0x7F, 0x6A, 0x6D, 0x64, 0x63,
0x3E, 0x39, 0x30, 0x37, 0x22, 0x25, 0x2C, 0x2B, 0x06, 0x01, 0x08, 0x0F, 0x1A, 0x1D, 0x14, 0x13,
0xAE, 0xA9, 0xA0, 0xA7, 0xB2, 0xB5, 0xBC, 0xBB, 0x96, 0x91, 0x98, 0x9F, 0x8A, 0x8D, 0x84, 0x83,
0xDE, 0xD9, 0xD0, 0xD7, 0xC2, 0xC5, 0xCC, 0xCB, 0xE6, 0xE1, 0xE8, 0xEF, 0xFA, 0xFD, 0xF4, 0xF3
};
static ma_uint16 ma_dr_flac__crc16_table[] = {
0x0000, 0x8005, 0x800F, 0x000A, 0x801B, 0x001E, 0x0014, 0x8011,
0x8033, 0x0036, 0x003C, 0x8039, 0x0028, 0x802D, 0x8027, 0x0022,
0x8063, 0x0066, 0x006C, 0x8069, 0x0078, 0x807D, 0x8077, 0x0072,
0x0050, 0x8055, 0x805F, 0x005A, 0x804B, 0x004E, 0x0044, 0x8041,
0x80C3, 0x00C6, 0x00CC, 0x80C9, 0x00D8, 0x80DD, 0x80D7, 0x00D2,
0x00F0, 0x80F5, 0x80FF, 0x00FA, 0x80EB, 0x00EE, 0x00E4, 0x80E1,
0x00A0, 0x80A5, 0x80AF, 0x00AA, 0x80BB, 0x00BE, 0x00B4, 0x80B1,
0x8093, 0x0096, 0x009C, 0x8099, 0x0088, 0x808D, 0x8087, 0x0082,
0x8183, 0x0186, 0x018C, 0x8189, 0x0198, 0x819D, 0x8197, 0x0192,
0x01B0, 0x81B5, 0x81BF, 0x01BA, 0x81AB, 0x01AE, 0x01A4, 0x81A1,
0x01E0, 0x81E5, 0x81EF, 0x01EA, 0x81FB, 0x01FE, 0x01F4, 0x81F1,
0x81D3, 0x01D6, 0x01DC, 0x81D9, 0x01C8, 0x81CD, 0x81C7, 0x01C2,
0x0140, 0x8145, 0x814F, 0x014A, 0x815B, 0x015E, 0x0154, 0x8151,
0x8173, 0x0176, 0x017C, 0x8179, 0x0168, 0x816D, 0x8167, 0x0162,
0x8123, 0x0126, 0x012C, 0x8129, 0x0138, 0x813D, 0x8137, 0x0132,
0x0110, 0x8115, 0x811F, 0x011A, 0x810B, 0x010E, 0x0104, 0x8101,
0x8303, 0x0306, 0x030C, 0x8309, 0x0318, 0x831D, 0x8317, 0x0312,
0x0330, 0x8335, 0x833F, 0x033A, 0x832B, 0x032E, 0x0324, 0x8321,
0x0360, 0x8365, 0x836F, 0x036A, 0x837B, 0x037E, 0x0374, 0x8371,
0x8353, 0x0356, 0x035C, 0x8359, 0x0348, 0x834D, 0x8347, 0x0342,
0x03C0, 0x83C5, 0x83CF, 0x03CA, 0x83DB, 0x03DE, 0x03D4, 0x83D1,
0x83F3, 0x03F6, 0x03FC, 0x83F9, 0x03E8, 0x83ED, 0x83E7, 0x03E2,
0x83A3, 0x03A6, 0x03AC, 0x83A9, 0x03B8, 0x83BD, 0x83B7, 0x03B2,
0x0390, 0x8395, 0x839F, 0x039A, 0x838B, 0x038E, 0x0384, 0x8381,
0x0280, 0x8285, 0x828F, 0x028A, 0x829B, 0x029E, 0x0294, 0x8291,
0x82B3, 0x02B6, 0x02BC, 0x82B9, 0x02A8, 0x82AD, 0x82A7, 0x02A2,
0x82E3, 0x02E6, 0x02EC, 0x82E9, 0x02F8, 0x82FD, 0x82F7, 0x02F2,
0x02D0, 0x82D5, 0x82DF, 0x02DA, 0x82CB, 0x02CE, 0x02C4, 0x82C1,
0x8243, 0x0246, 0x024C, 0x8249, 0x0258, 0x825D, 0x8257, 0x0252,
0x0270, 0x8275, 0x827F, 0x027A, 0x826B, 0x026E, 0x0264, 0x8261,
0x0220, 0x8225, 0x822F, 0x022A, 0x823B, 0x023E, 0x0234, 0x8231,
0x8213, 0x0216, 0x021C, 0x8219, 0x0208, 0x820D, 0x8207, 0x0202
};
static MA_INLINE ma_uint8 ma_dr_flac_crc8_byte(ma_uint8 crc, ma_uint8 data)
{
return ma_dr_flac__crc8_table[crc ^ data];
}
static MA_INLINE ma_uint8 ma_dr_flac_crc8(ma_uint8 crc, ma_uint32 data, ma_uint32 count)
{
#ifdef MA_DR_FLAC_NO_CRC
(void)crc;
(void)data;
(void)count;
return 0;
#else
#if 0
ma_uint8 p = 0x07;
for (int i = count-1; i >= 0; --i) {
ma_uint8 bit = (data & (1 << i)) >> i;
if (crc & 0x80) {
crc = ((crc << 1) | bit) ^ p;
} else {
crc = ((crc << 1) | bit);
}
}
return crc;
#else
ma_uint32 wholeBytes;
ma_uint32 leftoverBits;
ma_uint64 leftoverDataMask;
static ma_uint64 leftoverDataMaskTable[8] = {
0x00, 0x01, 0x03, 0x07, 0x0F, 0x1F, 0x3F, 0x7F
};
MA_DR_FLAC_ASSERT(count <= 32);
wholeBytes = count >> 3;
leftoverBits = count - (wholeBytes*8);
leftoverDataMask = leftoverDataMaskTable[leftoverBits];
switch (wholeBytes) {
case 4: crc = ma_dr_flac_crc8_byte(crc, (ma_uint8)((data & (0xFF000000UL << leftoverBits)) >> (24 + leftoverBits)));
case 3: crc = ma_dr_flac_crc8_byte(crc, (ma_uint8)((data & (0x00FF0000UL << leftoverBits)) >> (16 + leftoverBits)));
case 2: crc = ma_dr_flac_crc8_byte(crc, (ma_uint8)((data & (0x0000FF00UL << leftoverBits)) >> ( 8 + leftoverBits)));
case 1: crc = ma_dr_flac_crc8_byte(crc, (ma_uint8)((data & (0x000000FFUL << leftoverBits)) >> ( 0 + leftoverBits)));
case 0: if (leftoverBits > 0) crc = (ma_uint8)((crc << leftoverBits) ^ ma_dr_flac__crc8_table[(crc >> (8 - leftoverBits)) ^ (data & leftoverDataMask)]);
}
return crc;
#endif
#endif
}
static MA_INLINE ma_uint16 ma_dr_flac_crc16_byte(ma_uint16 crc, ma_uint8 data)
{
return (crc << 8) ^ ma_dr_flac__crc16_table[(ma_uint8)(crc >> 8) ^ data];
}
static MA_INLINE ma_uint16 ma_dr_flac_crc16_cache(ma_uint16 crc, ma_dr_flac_cache_t data)
{
#ifdef MA_64BIT
crc = ma_dr_flac_crc16_byte(crc, (ma_uint8)((data >> 56) & 0xFF));
crc = ma_dr_flac_crc16_byte(crc, (ma_uint8)((data >> 48) & 0xFF));
crc = ma_dr_flac_crc16_byte(crc, (ma_uint8)((data >> 40) & 0xFF));
crc = ma_dr_flac_crc16_byte(crc, (ma_uint8)((data >> 32) & 0xFF));
#endif
crc = ma_dr_flac_crc16_byte(crc, (ma_uint8)((data >> 24) & 0xFF));
crc = ma_dr_flac_crc16_byte(crc, (ma_uint8)((data >> 16) & 0xFF));
crc = ma_dr_flac_crc16_byte(crc, (ma_uint8)((data >> 8) & 0xFF));
crc = ma_dr_flac_crc16_byte(crc, (ma_uint8)((data >> 0) & 0xFF));
return crc;
}
static MA_INLINE ma_uint16 ma_dr_flac_crc16_bytes(ma_uint16 crc, ma_dr_flac_cache_t data, ma_uint32 byteCount)
{
switch (byteCount)
{
#ifdef MA_64BIT
case 8: crc = ma_dr_flac_crc16_byte(crc, (ma_uint8)((data >> 56) & 0xFF));
case 7: crc = ma_dr_flac_crc16_byte(crc, (ma_uint8)((data >> 48) & 0xFF));
case 6: crc = ma_dr_flac_crc16_byte(crc, (ma_uint8)((data >> 40) & 0xFF));
case 5: crc = ma_dr_flac_crc16_byte(crc, (ma_uint8)((data >> 32) & 0xFF));
#endif
case 4: crc = ma_dr_flac_crc16_byte(crc, (ma_uint8)((data >> 24) & 0xFF));
case 3: crc = ma_dr_flac_crc16_byte(crc, (ma_uint8)((data >> 16) & 0xFF));
case 2: crc = ma_dr_flac_crc16_byte(crc, (ma_uint8)((data >> 8) & 0xFF));
case 1: crc = ma_dr_flac_crc16_byte(crc, (ma_uint8)((data >> 0) & 0xFF));
}
return crc;
}
#if 0
static MA_INLINE ma_uint16 ma_dr_flac_crc16__32bit(ma_uint16 crc, ma_uint32 data, ma_uint32 count)
{
#ifdef MA_DR_FLAC_NO_CRC
(void)crc;
(void)data;
(void)count;
return 0;
#else
#if 0
ma_uint16 p = 0x8005;
for (int i = count-1; i >= 0; --i) {
ma_uint16 bit = (data & (1ULL << i)) >> i;
if (r & 0x8000) {
r = ((r << 1) | bit) ^ p;
} else {
r = ((r << 1) | bit);
}
}
return crc;
#else
ma_uint32 wholeBytes;
ma_uint32 leftoverBits;
ma_uint64 leftoverDataMask;
static ma_uint64 leftoverDataMaskTable[8] = {
0x00, 0x01, 0x03, 0x07, 0x0F, 0x1F, 0x3F, 0x7F
};
MA_DR_FLAC_ASSERT(count <= 64);
wholeBytes = count >> 3;
leftoverBits = count & 7;
leftoverDataMask = leftoverDataMaskTable[leftoverBits];
switch (wholeBytes) {
default:
case 4: crc = ma_dr_flac_crc16_byte(crc, (ma_uint8)((data & (0xFF000000UL << leftoverBits)) >> (24 + leftoverBits)));
case 3: crc = ma_dr_flac_crc16_byte(crc, (ma_uint8)((data & (0x00FF0000UL << leftoverBits)) >> (16 + leftoverBits)));
case 2: crc = ma_dr_flac_crc16_byte(crc, (ma_uint8)((data & (0x0000FF00UL << leftoverBits)) >> ( 8 + leftoverBits)));
case 1: crc = ma_dr_flac_crc16_byte(crc, (ma_uint8)((data & (0x000000FFUL << leftoverBits)) >> ( 0 + leftoverBits)));
case 0: if (leftoverBits > 0) crc = (crc << leftoverBits) ^ ma_dr_flac__crc16_table[(crc >> (16 - leftoverBits)) ^ (data & leftoverDataMask)];
}
return crc;
#endif
#endif
}
static MA_INLINE ma_uint16 ma_dr_flac_crc16__64bit(ma_uint16 crc, ma_uint64 data, ma_uint32 count)
{
#ifdef MA_DR_FLAC_NO_CRC
(void)crc;
(void)data;
(void)count;
return 0;
#else
ma_uint32 wholeBytes;
ma_uint32 leftoverBits;
ma_uint64 leftoverDataMask;
static ma_uint64 leftoverDataMaskTable[8] = {
0x00, 0x01, 0x03, 0x07, 0x0F, 0x1F, 0x3F, 0x7F
};
MA_DR_FLAC_ASSERT(count <= 64);
wholeBytes = count >> 3;
leftoverBits = count & 7;
leftoverDataMask = leftoverDataMaskTable[leftoverBits];
switch (wholeBytes) {
default:
case 8: crc = ma_dr_flac_crc16_byte(crc, (ma_uint8)((data & (((ma_uint64)0xFF000000 << 32) << leftoverBits)) >> (56 + leftoverBits)));
case 7: crc = ma_dr_flac_crc16_byte(crc, (ma_uint8)((data & (((ma_uint64)0x00FF0000 << 32) << leftoverBits)) >> (48 + leftoverBits)));
case 6: crc = ma_dr_flac_crc16_byte(crc, (ma_uint8)((data & (((ma_uint64)0x0000FF00 << 32) << leftoverBits)) >> (40 + leftoverBits)));
case 5: crc = ma_dr_flac_crc16_byte(crc, (ma_uint8)((data & (((ma_uint64)0x000000FF << 32) << leftoverBits)) >> (32 + leftoverBits)));
case 4: crc = ma_dr_flac_crc16_byte(crc, (ma_uint8)((data & (((ma_uint64)0xFF000000 ) << leftoverBits)) >> (24 + leftoverBits)));
case 3: crc = ma_dr_flac_crc16_byte(crc, (ma_uint8)((data & (((ma_uint64)0x00FF0000 ) << leftoverBits)) >> (16 + leftoverBits)));
case 2: crc = ma_dr_flac_crc16_byte(crc, (ma_uint8)((data & (((ma_uint64)0x0000FF00 ) << leftoverBits)) >> ( 8 + leftoverBits)));
case 1: crc = ma_dr_flac_crc16_byte(crc, (ma_uint8)((data & (((ma_uint64)0x000000FF ) << leftoverBits)) >> ( 0 + leftoverBits)));
case 0: if (leftoverBits > 0) crc = (crc << leftoverBits) ^ ma_dr_flac__crc16_table[(crc >> (16 - leftoverBits)) ^ (data & leftoverDataMask)];
}
return crc;
#endif
}
static MA_INLINE ma_uint16 ma_dr_flac_crc16(ma_uint16 crc, ma_dr_flac_cache_t data, ma_uint32 count)
{
#ifdef MA_64BIT
return ma_dr_flac_crc16__64bit(crc, data, count);
#else
return ma_dr_flac_crc16__32bit(crc, data, count);
#endif
}
#endif
#ifdef MA_64BIT
#define ma_dr_flac__be2host__cache_line ma_dr_flac__be2host_64
#else
#define ma_dr_flac__be2host__cache_line ma_dr_flac__be2host_32
#endif
#define MA_DR_FLAC_CACHE_L1_SIZE_BYTES(bs) (sizeof((bs)->cache))
#define MA_DR_FLAC_CACHE_L1_SIZE_BITS(bs) (sizeof((bs)->cache)*8)
#define MA_DR_FLAC_CACHE_L1_BITS_REMAINING(bs) (MA_DR_FLAC_CACHE_L1_SIZE_BITS(bs) - (bs)->consumedBits)
#define MA_DR_FLAC_CACHE_L1_SELECTION_MASK(_bitCount) (~((~(ma_dr_flac_cache_t)0) >> (_bitCount)))
#define MA_DR_FLAC_CACHE_L1_SELECTION_SHIFT(bs, _bitCount) (MA_DR_FLAC_CACHE_L1_SIZE_BITS(bs) - (_bitCount))
#define MA_DR_FLAC_CACHE_L1_SELECT(bs, _bitCount) (((bs)->cache) & MA_DR_FLAC_CACHE_L1_SELECTION_MASK(_bitCount))
#define MA_DR_FLAC_CACHE_L1_SELECT_AND_SHIFT(bs, _bitCount) (MA_DR_FLAC_CACHE_L1_SELECT((bs), (_bitCount)) >> MA_DR_FLAC_CACHE_L1_SELECTION_SHIFT((bs), (_bitCount)))
#define MA_DR_FLAC_CACHE_L1_SELECT_AND_SHIFT_SAFE(bs, _bitCount)(MA_DR_FLAC_CACHE_L1_SELECT((bs), (_bitCount)) >> (MA_DR_FLAC_CACHE_L1_SELECTION_SHIFT((bs), (_bitCount)) & (MA_DR_FLAC_CACHE_L1_SIZE_BITS(bs)-1)))
#define MA_DR_FLAC_CACHE_L2_SIZE_BYTES(bs) (sizeof((bs)->cacheL2))
#define MA_DR_FLAC_CACHE_L2_LINE_COUNT(bs) (MA_DR_FLAC_CACHE_L2_SIZE_BYTES(bs) / sizeof((bs)->cacheL2[0]))
#define MA_DR_FLAC_CACHE_L2_LINES_REMAINING(bs) (MA_DR_FLAC_CACHE_L2_LINE_COUNT(bs) - (bs)->nextL2Line)
#ifndef MA_DR_FLAC_NO_CRC
static MA_INLINE void ma_dr_flac__reset_crc16(ma_dr_flac_bs* bs)
{
bs->crc16 = 0;
bs->crc16CacheIgnoredBytes = bs->consumedBits >> 3;
}
static MA_INLINE void ma_dr_flac__update_crc16(ma_dr_flac_bs* bs)
{
if (bs->crc16CacheIgnoredBytes == 0) {
bs->crc16 = ma_dr_flac_crc16_cache(bs->crc16, bs->crc16Cache);
} else {
bs->crc16 = ma_dr_flac_crc16_bytes(bs->crc16, bs->crc16Cache, MA_DR_FLAC_CACHE_L1_SIZE_BYTES(bs) - bs->crc16CacheIgnoredBytes);
bs->crc16CacheIgnoredBytes = 0;
}
}
static MA_INLINE ma_uint16 ma_dr_flac__flush_crc16(ma_dr_flac_bs* bs)
{
MA_DR_FLAC_ASSERT((MA_DR_FLAC_CACHE_L1_BITS_REMAINING(bs) & 7) == 0);
if (MA_DR_FLAC_CACHE_L1_BITS_REMAINING(bs) == 0) {
ma_dr_flac__update_crc16(bs);
} else {
bs->crc16 = ma_dr_flac_crc16_bytes(bs->crc16, bs->crc16Cache >> MA_DR_FLAC_CACHE_L1_BITS_REMAINING(bs), (bs->consumedBits >> 3) - bs->crc16CacheIgnoredBytes);
bs->crc16CacheIgnoredBytes = bs->consumedBits >> 3;
}
return bs->crc16;
}
#endif
static MA_INLINE ma_bool32 ma_dr_flac__reload_l1_cache_from_l2(ma_dr_flac_bs* bs)
{
size_t bytesRead;
size_t alignedL1LineCount;
if (bs->nextL2Line < MA_DR_FLAC_CACHE_L2_LINE_COUNT(bs)) {
bs->cache = bs->cacheL2[bs->nextL2Line++];
return MA_TRUE;
}
if (bs->unalignedByteCount > 0) {
return MA_FALSE;
}
bytesRead = bs->onRead(bs->pUserData, bs->cacheL2, MA_DR_FLAC_CACHE_L2_SIZE_BYTES(bs));
bs->nextL2Line = 0;
if (bytesRead == MA_DR_FLAC_CACHE_L2_SIZE_BYTES(bs)) {
bs->cache = bs->cacheL2[bs->nextL2Line++];
return MA_TRUE;
}
alignedL1LineCount = bytesRead / MA_DR_FLAC_CACHE_L1_SIZE_BYTES(bs);
bs->unalignedByteCount = bytesRead - (alignedL1LineCount * MA_DR_FLAC_CACHE_L1_SIZE_BYTES(bs));
if (bs->unalignedByteCount > 0) {
bs->unalignedCache = bs->cacheL2[alignedL1LineCount];
}
if (alignedL1LineCount > 0) {
size_t offset = MA_DR_FLAC_CACHE_L2_LINE_COUNT(bs) - alignedL1LineCount;
size_t i;
for (i = alignedL1LineCount; i > 0; --i) {
bs->cacheL2[i-1 + offset] = bs->cacheL2[i-1];
}
bs->nextL2Line = (ma_uint32)offset;
bs->cache = bs->cacheL2[bs->nextL2Line++];
return MA_TRUE;
} else {
bs->nextL2Line = MA_DR_FLAC_CACHE_L2_LINE_COUNT(bs);
return MA_FALSE;
}
}
static ma_bool32 ma_dr_flac__reload_cache(ma_dr_flac_bs* bs)
{
size_t bytesRead;
#ifndef MA_DR_FLAC_NO_CRC
ma_dr_flac__update_crc16(bs);
#endif
if (ma_dr_flac__reload_l1_cache_from_l2(bs)) {
bs->cache = ma_dr_flac__be2host__cache_line(bs->cache);
bs->consumedBits = 0;
#ifndef MA_DR_FLAC_NO_CRC
bs->crc16Cache = bs->cache;
#endif
return MA_TRUE;
}
bytesRead = bs->unalignedByteCount;
if (bytesRead == 0) {
bs->consumedBits = MA_DR_FLAC_CACHE_L1_SIZE_BITS(bs);
return MA_FALSE;
}
MA_DR_FLAC_ASSERT(bytesRead < MA_DR_FLAC_CACHE_L1_SIZE_BYTES(bs));
bs->consumedBits = (ma_uint32)(MA_DR_FLAC_CACHE_L1_SIZE_BYTES(bs) - bytesRead) * 8;
bs->cache = ma_dr_flac__be2host__cache_line(bs->unalignedCache);
bs->cache &= MA_DR_FLAC_CACHE_L1_SELECTION_MASK(MA_DR_FLAC_CACHE_L1_BITS_REMAINING(bs));
bs->unalignedByteCount = 0;
#ifndef MA_DR_FLAC_NO_CRC
bs->crc16Cache = bs->cache >> bs->consumedBits;
bs->crc16CacheIgnoredBytes = bs->consumedBits >> 3;
#endif
return MA_TRUE;
}
static void ma_dr_flac__reset_cache(ma_dr_flac_bs* bs)
{
bs->nextL2Line = MA_DR_FLAC_CACHE_L2_LINE_COUNT(bs);
bs->consumedBits = MA_DR_FLAC_CACHE_L1_SIZE_BITS(bs);
bs->cache = 0;
bs->unalignedByteCount = 0;
bs->unalignedCache = 0;
#ifndef MA_DR_FLAC_NO_CRC
bs->crc16Cache = 0;
bs->crc16CacheIgnoredBytes = 0;
#endif
}
static MA_INLINE ma_bool32 ma_dr_flac__read_uint32(ma_dr_flac_bs* bs, unsigned int bitCount, ma_uint32* pResultOut)
{
MA_DR_FLAC_ASSERT(bs != NULL);
MA_DR_FLAC_ASSERT(pResultOut != NULL);
MA_DR_FLAC_ASSERT(bitCount > 0);
MA_DR_FLAC_ASSERT(bitCount <= 32);
if (bs->consumedBits == MA_DR_FLAC_CACHE_L1_SIZE_BITS(bs)) {
if (!ma_dr_flac__reload_cache(bs)) {
return MA_FALSE;
}
}
if (bitCount <= MA_DR_FLAC_CACHE_L1_BITS_REMAINING(bs)) {
#ifdef MA_64BIT
*pResultOut = (ma_uint32)MA_DR_FLAC_CACHE_L1_SELECT_AND_SHIFT(bs, bitCount);
bs->consumedBits += bitCount;
bs->cache <<= bitCount;
#else
if (bitCount < MA_DR_FLAC_CACHE_L1_SIZE_BITS(bs)) {
*pResultOut = (ma_uint32)MA_DR_FLAC_CACHE_L1_SELECT_AND_SHIFT(bs, bitCount);
bs->consumedBits += bitCount;
bs->cache <<= bitCount;
} else {
*pResultOut = (ma_uint32)bs->cache;
bs->consumedBits = MA_DR_FLAC_CACHE_L1_SIZE_BITS(bs);
bs->cache = 0;
}
#endif
return MA_TRUE;
} else {
ma_uint32 bitCountHi = MA_DR_FLAC_CACHE_L1_BITS_REMAINING(bs);
ma_uint32 bitCountLo = bitCount - bitCountHi;
ma_uint32 resultHi;
MA_DR_FLAC_ASSERT(bitCountHi > 0);
MA_DR_FLAC_ASSERT(bitCountHi < 32);
resultHi = (ma_uint32)MA_DR_FLAC_CACHE_L1_SELECT_AND_SHIFT(bs, bitCountHi);
if (!ma_dr_flac__reload_cache(bs)) {
return MA_FALSE;
}
if (bitCountLo > MA_DR_FLAC_CACHE_L1_BITS_REMAINING(bs)) {
return MA_FALSE;
}
*pResultOut = (resultHi << bitCountLo) | (ma_uint32)MA_DR_FLAC_CACHE_L1_SELECT_AND_SHIFT(bs, bitCountLo);
bs->consumedBits += bitCountLo;
bs->cache <<= bitCountLo;
return MA_TRUE;
}
}
static ma_bool32 ma_dr_flac__read_int32(ma_dr_flac_bs* bs, unsigned int bitCount, ma_int32* pResult)
{
ma_uint32 result;
MA_DR_FLAC_ASSERT(bs != NULL);
MA_DR_FLAC_ASSERT(pResult != NULL);
MA_DR_FLAC_ASSERT(bitCount > 0);
MA_DR_FLAC_ASSERT(bitCount <= 32);
if (!ma_dr_flac__read_uint32(bs, bitCount, &result)) {
return MA_FALSE;
}
if (bitCount < 32) {
ma_uint32 signbit;
signbit = ((result >> (bitCount-1)) & 0x01);
result |= (~signbit + 1) << bitCount;
}
*pResult = (ma_int32)result;
return MA_TRUE;
}
#ifdef MA_64BIT
static ma_bool32 ma_dr_flac__read_uint64(ma_dr_flac_bs* bs, unsigned int bitCount, ma_uint64* pResultOut)
{
ma_uint32 resultHi;
ma_uint32 resultLo;
MA_DR_FLAC_ASSERT(bitCount <= 64);
MA_DR_FLAC_ASSERT(bitCount > 32);
if (!ma_dr_flac__read_uint32(bs, bitCount - 32, &resultHi)) {
return MA_FALSE;
}
if (!ma_dr_flac__read_uint32(bs, 32, &resultLo)) {
return MA_FALSE;
}
*pResultOut = (((ma_uint64)resultHi) << 32) | ((ma_uint64)resultLo);
return MA_TRUE;
}
#endif
#if 0
static ma_bool32 ma_dr_flac__read_int64(ma_dr_flac_bs* bs, unsigned int bitCount, ma_int64* pResultOut)
{
ma_uint64 result;
ma_uint64 signbit;
MA_DR_FLAC_ASSERT(bitCount <= 64);
if (!ma_dr_flac__read_uint64(bs, bitCount, &result)) {
return MA_FALSE;
}
signbit = ((result >> (bitCount-1)) & 0x01);
result |= (~signbit + 1) << bitCount;
*pResultOut = (ma_int64)result;
return MA_TRUE;
}
#endif
static ma_bool32 ma_dr_flac__read_uint16(ma_dr_flac_bs* bs, unsigned int bitCount, ma_uint16* pResult)
{
ma_uint32 result;
MA_DR_FLAC_ASSERT(bs != NULL);
MA_DR_FLAC_ASSERT(pResult != NULL);
MA_DR_FLAC_ASSERT(bitCount > 0);
MA_DR_FLAC_ASSERT(bitCount <= 16);
if (!ma_dr_flac__read_uint32(bs, bitCount, &result)) {
return MA_FALSE;
}
*pResult = (ma_uint16)result;
return MA_TRUE;
}
#if 0
static ma_bool32 ma_dr_flac__read_int16(ma_dr_flac_bs* bs, unsigned int bitCount, ma_int16* pResult)
{
ma_int32 result;
MA_DR_FLAC_ASSERT(bs != NULL);
MA_DR_FLAC_ASSERT(pResult != NULL);
MA_DR_FLAC_ASSERT(bitCount > 0);
MA_DR_FLAC_ASSERT(bitCount <= 16);
if (!ma_dr_flac__read_int32(bs, bitCount, &result)) {
return MA_FALSE;
}
*pResult = (ma_int16)result;
return MA_TRUE;
}
#endif
static ma_bool32 ma_dr_flac__read_uint8(ma_dr_flac_bs* bs, unsigned int bitCount, ma_uint8* pResult)
{
ma_uint32 result;
MA_DR_FLAC_ASSERT(bs != NULL);
MA_DR_FLAC_ASSERT(pResult != NULL);
MA_DR_FLAC_ASSERT(bitCount > 0);
MA_DR_FLAC_ASSERT(bitCount <= 8);
if (!ma_dr_flac__read_uint32(bs, bitCount, &result)) {
return MA_FALSE;
}
*pResult = (ma_uint8)result;
return MA_TRUE;
}
static ma_bool32 ma_dr_flac__read_int8(ma_dr_flac_bs* bs, unsigned int bitCount, ma_int8* pResult)
{
ma_int32 result;
MA_DR_FLAC_ASSERT(bs != NULL);
MA_DR_FLAC_ASSERT(pResult != NULL);
MA_DR_FLAC_ASSERT(bitCount > 0);
MA_DR_FLAC_ASSERT(bitCount <= 8);
if (!ma_dr_flac__read_int32(bs, bitCount, &result)) {
return MA_FALSE;
}
*pResult = (ma_int8)result;
return MA_TRUE;
}
static ma_bool32 ma_dr_flac__seek_bits(ma_dr_flac_bs* bs, size_t bitsToSeek)
{
if (bitsToSeek <= MA_DR_FLAC_CACHE_L1_BITS_REMAINING(bs)) {
bs->consumedBits += (ma_uint32)bitsToSeek;
bs->cache <<= bitsToSeek;
return MA_TRUE;
} else {
bitsToSeek -= MA_DR_FLAC_CACHE_L1_BITS_REMAINING(bs);
bs->consumedBits += MA_DR_FLAC_CACHE_L1_BITS_REMAINING(bs);
bs->cache = 0;
#ifdef MA_64BIT
while (bitsToSeek >= MA_DR_FLAC_CACHE_L1_SIZE_BITS(bs)) {
ma_uint64 bin;
if (!ma_dr_flac__read_uint64(bs, MA_DR_FLAC_CACHE_L1_SIZE_BITS(bs), &bin)) {
return MA_FALSE;
}
bitsToSeek -= MA_DR_FLAC_CACHE_L1_SIZE_BITS(bs);
}
#else
while (bitsToSeek >= MA_DR_FLAC_CACHE_L1_SIZE_BITS(bs)) {
ma_uint32 bin;
if (!ma_dr_flac__read_uint32(bs, MA_DR_FLAC_CACHE_L1_SIZE_BITS(bs), &bin)) {
return MA_FALSE;
}
bitsToSeek -= MA_DR_FLAC_CACHE_L1_SIZE_BITS(bs);
}
#endif
while (bitsToSeek >= 8) {
ma_uint8 bin;
if (!ma_dr_flac__read_uint8(bs, 8, &bin)) {
return MA_FALSE;
}
bitsToSeek -= 8;
}
if (bitsToSeek > 0) {
ma_uint8 bin;
if (!ma_dr_flac__read_uint8(bs, (ma_uint32)bitsToSeek, &bin)) {
return MA_FALSE;
}
bitsToSeek = 0;
}
MA_DR_FLAC_ASSERT(bitsToSeek == 0);
return MA_TRUE;
}
}
static ma_bool32 ma_dr_flac__find_and_seek_to_next_sync_code(ma_dr_flac_bs* bs)
{
MA_DR_FLAC_ASSERT(bs != NULL);
if (!ma_dr_flac__seek_bits(bs, MA_DR_FLAC_CACHE_L1_BITS_REMAINING(bs) & 7)) {
return MA_FALSE;
}
for (;;) {
ma_uint8 hi;
#ifndef MA_DR_FLAC_NO_CRC
ma_dr_flac__reset_crc16(bs);
#endif
if (!ma_dr_flac__read_uint8(bs, 8, &hi)) {
return MA_FALSE;
}
if (hi == 0xFF) {
ma_uint8 lo;
if (!ma_dr_flac__read_uint8(bs, 6, &lo)) {
return MA_FALSE;
}
if (lo == 0x3E) {
return MA_TRUE;
} else {
if (!ma_dr_flac__seek_bits(bs, MA_DR_FLAC_CACHE_L1_BITS_REMAINING(bs) & 7)) {
return MA_FALSE;
}
}
}
}
}
#if defined(MA_DR_FLAC_HAS_LZCNT_INTRINSIC)
#define MA_DR_FLAC_IMPLEMENT_CLZ_LZCNT
#endif
#if defined(_MSC_VER) && _MSC_VER >= 1400 && (defined(MA_X64) || defined(MA_X86)) && !defined(__clang__)
#define MA_DR_FLAC_IMPLEMENT_CLZ_MSVC
#endif
#if defined(__WATCOMC__) && defined(__386__)
#define MA_DR_FLAC_IMPLEMENT_CLZ_WATCOM
#endif
#ifdef __MRC__
#include <intrinsics.h>
#define MA_DR_FLAC_IMPLEMENT_CLZ_MRC
#endif
static MA_INLINE ma_uint32 ma_dr_flac__clz_software(ma_dr_flac_cache_t x)
{
ma_uint32 n;
static ma_uint32 clz_table_4[] = {
0,
4,
3, 3,
2, 2, 2, 2,
1, 1, 1, 1, 1, 1, 1, 1
};
if (x == 0) {
return sizeof(x)*8;
}
n = clz_table_4[x >> (sizeof(x)*8 - 4)];
if (n == 0) {
#ifdef MA_64BIT
if ((x & ((ma_uint64)0xFFFFFFFF << 32)) == 0) { n = 32; x <<= 32; }
if ((x & ((ma_uint64)0xFFFF0000 << 32)) == 0) { n += 16; x <<= 16; }
if ((x & ((ma_uint64)0xFF000000 << 32)) == 0) { n += 8; x <<= 8; }
if ((x & ((ma_uint64)0xF0000000 << 32)) == 0) { n += 4; x <<= 4; }
#else
if ((x & 0xFFFF0000) == 0) { n = 16; x <<= 16; }
if ((x & 0xFF000000) == 0) { n += 8; x <<= 8; }
if ((x & 0xF0000000) == 0) { n += 4; x <<= 4; }
#endif
n += clz_table_4[x >> (sizeof(x)*8 - 4)];
}
return n - 1;
}
#ifdef MA_DR_FLAC_IMPLEMENT_CLZ_LZCNT
static MA_INLINE ma_bool32 ma_dr_flac__is_lzcnt_supported(void)
{
#if defined(MA_DR_FLAC_HAS_LZCNT_INTRINSIC) && defined(MA_ARM) && (defined(__ARM_ARCH) && __ARM_ARCH >= 5)
return MA_TRUE;
#elif defined(__MRC__)
return MA_TRUE;
#else
#ifdef MA_DR_FLAC_HAS_LZCNT_INTRINSIC
return ma_dr_flac__gIsLZCNTSupported;
#else
return MA_FALSE;
#endif
#endif
}
static MA_INLINE ma_uint32 ma_dr_flac__clz_lzcnt(ma_dr_flac_cache_t x)
{
#if defined(_MSC_VER)
#ifdef MA_64BIT
return (ma_uint32)__lzcnt64(x);
#else
return (ma_uint32)__lzcnt(x);
#endif
#else
#if defined(__GNUC__) || defined(__clang__)
#if defined(MA_X64)
{
ma_uint64 r;
__asm__ __volatile__ (
"rep; bsr{q %1, %0| %0, %1}" : "=r"(r) : "r"(x) : "cc"
);
return (ma_uint32)r;
}
#elif defined(MA_X86)
{
ma_uint32 r;
__asm__ __volatile__ (
"rep; bsr{l %1, %0| %0, %1}" : "=r"(r) : "r"(x) : "cc"
);
return r;
}
#elif defined(MA_ARM) && (defined(__ARM_ARCH) && __ARM_ARCH >= 5) && !defined(__ARM_ARCH_6M__) && !(defined(__thumb__) && !defined(__thumb2__)) && !defined(MA_64BIT)
{
unsigned int r;
__asm__ __volatile__ (
#if defined(MA_64BIT)
"clz %w[out], %w[in]" : [out]"=r"(r) : [in]"r"(x)
#else
"clz %[out], %[in]" : [out]"=r"(r) : [in]"r"(x)
#endif
);
return r;
}
#else
if (x == 0) {
return sizeof(x)*8;
}
#ifdef MA_64BIT
return (ma_uint32)__builtin_clzll((ma_uint64)x);
#else
return (ma_uint32)__builtin_clzl((ma_uint32)x);
#endif
#endif
#else
#error "This compiler does not support the lzcnt intrinsic."
#endif
#endif
}
#endif
#ifdef MA_DR_FLAC_IMPLEMENT_CLZ_MSVC
#include <intrin.h>
static MA_INLINE ma_uint32 ma_dr_flac__clz_msvc(ma_dr_flac_cache_t x)
{
ma_uint32 n;
if (x == 0) {
return sizeof(x)*8;
}
#ifdef MA_64BIT
_BitScanReverse64((unsigned long*)&n, x);
#else
_BitScanReverse((unsigned long*)&n, x);
#endif
return sizeof(x)*8 - n - 1;
}
#endif
#ifdef MA_DR_FLAC_IMPLEMENT_CLZ_WATCOM
static __inline ma_uint32 ma_dr_flac__clz_watcom (ma_uint32);
#ifdef MA_DR_FLAC_IMPLEMENT_CLZ_WATCOM_LZCNT
#pragma aux ma_dr_flac__clz_watcom_lzcnt = \
"db 0F3h, 0Fh, 0BDh, 0C0h" \
parm [eax] \
value [eax] \
modify nomemory;
#else
#pragma aux ma_dr_flac__clz_watcom = \
"bsr eax, eax" \
"xor eax, 31" \
parm [eax] nomemory \
value [eax] \
modify exact [eax] nomemory;
#endif
#endif
static MA_INLINE ma_uint32 ma_dr_flac__clz(ma_dr_flac_cache_t x)
{
#ifdef MA_DR_FLAC_IMPLEMENT_CLZ_LZCNT
if (ma_dr_flac__is_lzcnt_supported()) {
return ma_dr_flac__clz_lzcnt(x);
} else
#endif
{
#ifdef MA_DR_FLAC_IMPLEMENT_CLZ_MSVC
return ma_dr_flac__clz_msvc(x);
#elif defined(MA_DR_FLAC_IMPLEMENT_CLZ_WATCOM_LZCNT)
return ma_dr_flac__clz_watcom_lzcnt(x);
#elif defined(MA_DR_FLAC_IMPLEMENT_CLZ_WATCOM)
return (x == 0) ? sizeof(x)*8 : ma_dr_flac__clz_watcom(x);
#elif defined(__MRC__)
return __cntlzw(x);
#else
return ma_dr_flac__clz_software(x);
#endif
}
}
static MA_INLINE ma_bool32 ma_dr_flac__seek_past_next_set_bit(ma_dr_flac_bs* bs, unsigned int* pOffsetOut)
{
ma_uint32 zeroCounter = 0;
ma_uint32 setBitOffsetPlus1;
while (bs->cache == 0) {
zeroCounter += (ma_uint32)MA_DR_FLAC_CACHE_L1_BITS_REMAINING(bs);
if (!ma_dr_flac__reload_cache(bs)) {
return MA_FALSE;
}
}
if (bs->cache == 1) {
*pOffsetOut = zeroCounter + (ma_uint32)MA_DR_FLAC_CACHE_L1_BITS_REMAINING(bs) - 1;
if (!ma_dr_flac__reload_cache(bs)) {
return MA_FALSE;
}
return MA_TRUE;
}
setBitOffsetPlus1 = ma_dr_flac__clz(bs->cache);
setBitOffsetPlus1 += 1;
if (setBitOffsetPlus1 > MA_DR_FLAC_CACHE_L1_BITS_REMAINING(bs)) {
return MA_FALSE;
}
bs->consumedBits += setBitOffsetPlus1;
bs->cache <<= setBitOffsetPlus1;
*pOffsetOut = zeroCounter + setBitOffsetPlus1 - 1;
return MA_TRUE;
}
static ma_bool32 ma_dr_flac__seek_to_byte(ma_dr_flac_bs* bs, ma_uint64 offsetFromStart)
{
MA_DR_FLAC_ASSERT(bs != NULL);
MA_DR_FLAC_ASSERT(offsetFromStart > 0);
if (offsetFromStart > 0x7FFFFFFF) {
ma_uint64 bytesRemaining = offsetFromStart;
if (!bs->onSeek(bs->pUserData, 0x7FFFFFFF, MA_DR_FLAC_SEEK_SET)) {
return MA_FALSE;
}
bytesRemaining -= 0x7FFFFFFF;
while (bytesRemaining > 0x7FFFFFFF) {
if (!bs->onSeek(bs->pUserData, 0x7FFFFFFF, MA_DR_FLAC_SEEK_CUR)) {
return MA_FALSE;
}
bytesRemaining -= 0x7FFFFFFF;
}
if (bytesRemaining > 0) {
if (!bs->onSeek(bs->pUserData, (int)bytesRemaining, MA_DR_FLAC_SEEK_CUR)) {
return MA_FALSE;
}
}
} else {
if (!bs->onSeek(bs->pUserData, (int)offsetFromStart, MA_DR_FLAC_SEEK_SET)) {
return MA_FALSE;
}
}
ma_dr_flac__reset_cache(bs);
return MA_TRUE;
}
static ma_result ma_dr_flac__read_utf8_coded_number(ma_dr_flac_bs* bs, ma_uint64* pNumberOut, ma_uint8* pCRCOut)
{
ma_uint8 crc;
ma_uint64 result;
ma_uint8 utf8[7] = {0};
int byteCount;
int i;
MA_DR_FLAC_ASSERT(bs != NULL);
MA_DR_FLAC_ASSERT(pNumberOut != NULL);
MA_DR_FLAC_ASSERT(pCRCOut != NULL);
crc = *pCRCOut;
if (!ma_dr_flac__read_uint8(bs, 8, utf8)) {
*pNumberOut = 0;
return MA_AT_END;
}
crc = ma_dr_flac_crc8(crc, utf8[0], 8);
if ((utf8[0] & 0x80) == 0) {
*pNumberOut = utf8[0];
*pCRCOut = crc;
return MA_SUCCESS;
}
if ((utf8[0] & 0xE0) == 0xC0) {
byteCount = 2;
} else if ((utf8[0] & 0xF0) == 0xE0) {
byteCount = 3;
} else if ((utf8[0] & 0xF8) == 0xF0) {
byteCount = 4;
} else if ((utf8[0] & 0xFC) == 0xF8) {
byteCount = 5;
} else if ((utf8[0] & 0xFE) == 0xFC) {
byteCount = 6;
} else if ((utf8[0] & 0xFF) == 0xFE) {
byteCount = 7;
} else {
*pNumberOut = 0;
return MA_CRC_MISMATCH;
}
MA_DR_FLAC_ASSERT(byteCount > 1);
result = (ma_uint64)(utf8[0] & (0xFF >> (byteCount + 1)));
for (i = 1; i < byteCount; ++i) {
if (!ma_dr_flac__read_uint8(bs, 8, utf8 + i)) {
*pNumberOut = 0;
return MA_AT_END;
}
crc = ma_dr_flac_crc8(crc, utf8[i], 8);
result = (result << 6) | (utf8[i] & 0x3F);
}
*pNumberOut = result;
*pCRCOut = crc;
return MA_SUCCESS;
}
static MA_INLINE ma_uint32 ma_dr_flac__ilog2_u32(ma_uint32 x)
{
#if 1
ma_uint32 result = 0;
while (x > 0) {
result += 1;
x >>= 1;
}
return result;
#endif
}
static MA_INLINE ma_bool32 ma_dr_flac__use_64_bit_prediction(ma_uint32 bitsPerSample, ma_uint32 order, ma_uint32 precision)
{
return bitsPerSample + precision + ma_dr_flac__ilog2_u32(order) > 32;
}
#if defined(__clang__)
__attribute__((no_sanitize("signed-integer-overflow")))
#endif
static MA_INLINE ma_int32 ma_dr_flac__calculate_prediction_32(ma_uint32 order, ma_int32 shift, const ma_int32* coefficients, ma_int32* pDecodedSamples)
{
ma_int32 prediction = 0;
MA_DR_FLAC_ASSERT(order <= 32);
switch (order)
{
case 32: prediction += coefficients[31] * pDecodedSamples[-32];
case 31: prediction += coefficients[30] * pDecodedSamples[-31];
case 30: prediction += coefficients[29] * pDecodedSamples[-30];
case 29: prediction += coefficients[28] * pDecodedSamples[-29];
case 28: prediction += coefficients[27] * pDecodedSamples[-28];
case 27: prediction += coefficients[26] * pDecodedSamples[-27];
case 26: prediction += coefficients[25] * pDecodedSamples[-26];
case 25: prediction += coefficients[24] * pDecodedSamples[-25];
case 24: prediction += coefficients[23] * pDecodedSamples[-24];
case 23: prediction += coefficients[22] * pDecodedSamples[-23];
case 22: prediction += coefficients[21] * pDecodedSamples[-22];
case 21: prediction += coefficients[20] * pDecodedSamples[-21];
case 20: prediction += coefficients[19] * pDecodedSamples[-20];
case 19: prediction += coefficients[18] * pDecodedSamples[-19];
case 18: prediction += coefficients[17] * pDecodedSamples[-18];
case 17: prediction += coefficients[16] * pDecodedSamples[-17];
case 16: prediction += coefficients[15] * pDecodedSamples[-16];
case 15: prediction += coefficients[14] * pDecodedSamples[-15];
case 14: prediction += coefficients[13] * pDecodedSamples[-14];
case 13: prediction += coefficients[12] * pDecodedSamples[-13];
case 12: prediction += coefficients[11] * pDecodedSamples[-12];
case 11: prediction += coefficients[10] * pDecodedSamples[-11];
case 10: prediction += coefficients[ 9] * pDecodedSamples[-10];
case 9: prediction += coefficients[ 8] * pDecodedSamples[- 9];
case 8: prediction += coefficients[ 7] * pDecodedSamples[- 8];
case 7: prediction += coefficients[ 6] * pDecodedSamples[- 7];
case 6: prediction += coefficients[ 5] * pDecodedSamples[- 6];
case 5: prediction += coefficients[ 4] * pDecodedSamples[- 5];
case 4: prediction += coefficients[ 3] * pDecodedSamples[- 4];
case 3: prediction += coefficients[ 2] * pDecodedSamples[- 3];
case 2: prediction += coefficients[ 1] * pDecodedSamples[- 2];
case 1: prediction += coefficients[ 0] * pDecodedSamples[- 1];
}
return (ma_int32)(prediction >> shift);
}
static MA_INLINE ma_int32 ma_dr_flac__calculate_prediction_64(ma_uint32 order, ma_int32 shift, const ma_int32* coefficients, ma_int32* pDecodedSamples)
{
ma_int64 prediction;
MA_DR_FLAC_ASSERT(order <= 32);
#ifndef MA_64BIT
if (order == 8)
{
prediction = coefficients[0] * (ma_int64)pDecodedSamples[-1];
prediction += coefficients[1] * (ma_int64)pDecodedSamples[-2];
prediction += coefficients[2] * (ma_int64)pDecodedSamples[-3];
prediction += coefficients[3] * (ma_int64)pDecodedSamples[-4];
prediction += coefficients[4] * (ma_int64)pDecodedSamples[-5];
prediction += coefficients[5] * (ma_int64)pDecodedSamples[-6];
prediction += coefficients[6] * (ma_int64)pDecodedSamples[-7];
prediction += coefficients[7] * (ma_int64)pDecodedSamples[-8];
}
else if (order == 7)
{
prediction = coefficients[0] * (ma_int64)pDecodedSamples[-1];
prediction += coefficients[1] * (ma_int64)pDecodedSamples[-2];
prediction += coefficients[2] * (ma_int64)pDecodedSamples[-3];
prediction += coefficients[3] * (ma_int64)pDecodedSamples[-4];
prediction += coefficients[4] * (ma_int64)pDecodedSamples[-5];
prediction += coefficients[5] * (ma_int64)pDecodedSamples[-6];
prediction += coefficients[6] * (ma_int64)pDecodedSamples[-7];
}
else if (order == 3)
{
prediction = coefficients[0] * (ma_int64)pDecodedSamples[-1];
prediction += coefficients[1] * (ma_int64)pDecodedSamples[-2];
prediction += coefficients[2] * (ma_int64)pDecodedSamples[-3];
}
else if (order == 6)
{
prediction = coefficients[0] * (ma_int64)pDecodedSamples[-1];
prediction += coefficients[1] * (ma_int64)pDecodedSamples[-2];
prediction += coefficients[2] * (ma_int64)pDecodedSamples[-3];
prediction += coefficients[3] * (ma_int64)pDecodedSamples[-4];
prediction += coefficients[4] * (ma_int64)pDecodedSamples[-5];
prediction += coefficients[5] * (ma_int64)pDecodedSamples[-6];
}
else if (order == 5)
{
prediction = coefficients[0] * (ma_int64)pDecodedSamples[-1];
prediction += coefficients[1] * (ma_int64)pDecodedSamples[-2];
prediction += coefficients[2] * (ma_int64)pDecodedSamples[-3];
prediction += coefficients[3] * (ma_int64)pDecodedSamples[-4];
prediction += coefficients[4] * (ma_int64)pDecodedSamples[-5];
}
else if (order == 4)
{
prediction = coefficients[0] * (ma_int64)pDecodedSamples[-1];
prediction += coefficients[1] * (ma_int64)pDecodedSamples[-2];
prediction += coefficients[2] * (ma_int64)pDecodedSamples[-3];
prediction += coefficients[3] * (ma_int64)pDecodedSamples[-4];
}
else if (order == 12)
{
prediction = coefficients[0] * (ma_int64)pDecodedSamples[-1];
prediction += coefficients[1] * (ma_int64)pDecodedSamples[-2];
prediction += coefficients[2] * (ma_int64)pDecodedSamples[-3];
prediction += coefficients[3] * (ma_int64)pDecodedSamples[-4];
prediction += coefficients[4] * (ma_int64)pDecodedSamples[-5];
prediction += coefficients[5] * (ma_int64)pDecodedSamples[-6];
prediction += coefficients[6] * (ma_int64)pDecodedSamples[-7];
prediction += coefficients[7] * (ma_int64)pDecodedSamples[-8];
prediction += coefficients[8] * (ma_int64)pDecodedSamples[-9];
prediction += coefficients[9] * (ma_int64)pDecodedSamples[-10];
prediction += coefficients[10] * (ma_int64)pDecodedSamples[-11];
prediction += coefficients[11] * (ma_int64)pDecodedSamples[-12];
}
else if (order == 2)
{
prediction = coefficients[0] * (ma_int64)pDecodedSamples[-1];
prediction += coefficients[1] * (ma_int64)pDecodedSamples[-2];
}
else if (order == 1)
{
prediction = coefficients[0] * (ma_int64)pDecodedSamples[-1];
}
else if (order == 10)
{
prediction = coefficients[0] * (ma_int64)pDecodedSamples[-1];
prediction += coefficients[1] * (ma_int64)pDecodedSamples[-2];
prediction += coefficients[2] * (ma_int64)pDecodedSamples[-3];
prediction += coefficients[3] * (ma_int64)pDecodedSamples[-4];
prediction += coefficients[4] * (ma_int64)pDecodedSamples[-5];
prediction += coefficients[5] * (ma_int64)pDecodedSamples[-6];
prediction += coefficients[6] * (ma_int64)pDecodedSamples[-7];
prediction += coefficients[7] * (ma_int64)pDecodedSamples[-8];
prediction += coefficients[8] * (ma_int64)pDecodedSamples[-9];
prediction += coefficients[9] * (ma_int64)pDecodedSamples[-10];
}
else if (order == 9)
{
prediction = coefficients[0] * (ma_int64)pDecodedSamples[-1];
prediction += coefficients[1] * (ma_int64)pDecodedSamples[-2];
prediction += coefficients[2] * (ma_int64)pDecodedSamples[-3];
prediction += coefficients[3] * (ma_int64)pDecodedSamples[-4];
prediction += coefficients[4] * (ma_int64)pDecodedSamples[-5];
prediction += coefficients[5] * (ma_int64)pDecodedSamples[-6];
prediction += coefficients[6] * (ma_int64)pDecodedSamples[-7];
prediction += coefficients[7] * (ma_int64)pDecodedSamples[-8];
prediction += coefficients[8] * (ma_int64)pDecodedSamples[-9];
}
else if (order == 11)
{
prediction = coefficients[0] * (ma_int64)pDecodedSamples[-1];
prediction += coefficients[1] * (ma_int64)pDecodedSamples[-2];
prediction += coefficients[2] * (ma_int64)pDecodedSamples[-3];
prediction += coefficients[3] * (ma_int64)pDecodedSamples[-4];
prediction += coefficients[4] * (ma_int64)pDecodedSamples[-5];
prediction += coefficients[5] * (ma_int64)pDecodedSamples[-6];
prediction += coefficients[6] * (ma_int64)pDecodedSamples[-7];
prediction += coefficients[7] * (ma_int64)pDecodedSamples[-8];
prediction += coefficients[8] * (ma_int64)pDecodedSamples[-9];
prediction += coefficients[9] * (ma_int64)pDecodedSamples[-10];
prediction += coefficients[10] * (ma_int64)pDecodedSamples[-11];
}
else
{
int j;
prediction = 0;
for (j = 0; j < (int)order; ++j) {
prediction += coefficients[j] * (ma_int64)pDecodedSamples[-j-1];
}
}
#endif
#ifdef MA_64BIT
prediction = 0;
switch (order)
{
case 32: prediction += coefficients[31] * (ma_int64)pDecodedSamples[-32];
case 31: prediction += coefficients[30] * (ma_int64)pDecodedSamples[-31];
case 30: prediction += coefficients[29] * (ma_int64)pDecodedSamples[-30];
case 29: prediction += coefficients[28] * (ma_int64)pDecodedSamples[-29];
case 28: prediction += coefficients[27] * (ma_int64)pDecodedSamples[-28];
case 27: prediction += coefficients[26] * (ma_int64)pDecodedSamples[-27];
case 26: prediction += coefficients[25] * (ma_int64)pDecodedSamples[-26];
case 25: prediction += coefficients[24] * (ma_int64)pDecodedSamples[-25];
case 24: prediction += coefficients[23] * (ma_int64)pDecodedSamples[-24];
case 23: prediction += coefficients[22] * (ma_int64)pDecodedSamples[-23];
case 22: prediction += coefficients[21] * (ma_int64)pDecodedSamples[-22];
case 21: prediction += coefficients[20] * (ma_int64)pDecodedSamples[-21];
case 20: prediction += coefficients[19] * (ma_int64)pDecodedSamples[-20];
case 19: prediction += coefficients[18] * (ma_int64)pDecodedSamples[-19];
case 18: prediction += coefficients[17] * (ma_int64)pDecodedSamples[-18];
case 17: prediction += coefficients[16] * (ma_int64)pDecodedSamples[-17];
case 16: prediction += coefficients[15] * (ma_int64)pDecodedSamples[-16];
case 15: prediction += coefficients[14] * (ma_int64)pDecodedSamples[-15];
case 14: prediction += coefficients[13] * (ma_int64)pDecodedSamples[-14];
case 13: prediction += coefficients[12] * (ma_int64)pDecodedSamples[-13];
case 12: prediction += coefficients[11] * (ma_int64)pDecodedSamples[-12];
case 11: prediction += coefficients[10] * (ma_int64)pDecodedSamples[-11];
case 10: prediction += coefficients[ 9] * (ma_int64)pDecodedSamples[-10];
case 9: prediction += coefficients[ 8] * (ma_int64)pDecodedSamples[- 9];
case 8: prediction += coefficients[ 7] * (ma_int64)pDecodedSamples[- 8];
case 7: prediction += coefficients[ 6] * (ma_int64)pDecodedSamples[- 7];
case 6: prediction += coefficients[ 5] * (ma_int64)pDecodedSamples[- 6];
case 5: prediction += coefficients[ 4] * (ma_int64)pDecodedSamples[- 5];
case 4: prediction += coefficients[ 3] * (ma_int64)pDecodedSamples[- 4];
case 3: prediction += coefficients[ 2] * (ma_int64)pDecodedSamples[- 3];
case 2: prediction += coefficients[ 1] * (ma_int64)pDecodedSamples[- 2];
case 1: prediction += coefficients[ 0] * (ma_int64)pDecodedSamples[- 1];
}
#endif
return (ma_int32)(prediction >> shift);
}
#if 0
static ma_bool32 ma_dr_flac__decode_samples_with_residual__rice__reference(ma_dr_flac_bs* bs, ma_uint32 bitsPerSample, ma_uint32 count, ma_uint8 riceParam, ma_uint32 lpcOrder, ma_int32 lpcShift, ma_uint32 lpcPrecision, const ma_int32* coefficients, ma_int32* pSamplesOut)
{
ma_uint32 i;
MA_DR_FLAC_ASSERT(bs != NULL);
MA_DR_FLAC_ASSERT(pSamplesOut != NULL);
for (i = 0; i < count; ++i) {
ma_uint32 zeroCounter = 0;
for (;;) {
ma_uint8 bit;
if (!ma_dr_flac__read_uint8(bs, 1, &bit)) {
return MA_FALSE;
}
if (bit == 0) {
zeroCounter += 1;
} else {
break;
}
}
ma_uint32 decodedRice;
if (riceParam > 0) {
if (!ma_dr_flac__read_uint32(bs, riceParam, &decodedRice)) {
return MA_FALSE;
}
} else {
decodedRice = 0;
}
decodedRice |= (zeroCounter << riceParam);
if ((decodedRice & 0x01)) {
decodedRice = ~(decodedRice >> 1);
} else {
decodedRice = (decodedRice >> 1);
}
if (ma_dr_flac__use_64_bit_prediction(bitsPerSample, lpcOrder, lpcPrecision)) {
pSamplesOut[i] = decodedRice + ma_dr_flac__calculate_prediction_64(lpcOrder, lpcShift, coefficients, pSamplesOut + i);
} else {
pSamplesOut[i] = decodedRice + ma_dr_flac__calculate_prediction_32(lpcOrder, lpcShift, coefficients, pSamplesOut + i);
}
}
return MA_TRUE;
}
#endif
#if 0
static ma_bool32 ma_dr_flac__read_rice_parts__reference(ma_dr_flac_bs* bs, ma_uint8 riceParam, ma_uint32* pZeroCounterOut, ma_uint32* pRiceParamPartOut)
{
ma_uint32 zeroCounter = 0;
ma_uint32 decodedRice;
for (;;) {
ma_uint8 bit;
if (!ma_dr_flac__read_uint8(bs, 1, &bit)) {
return MA_FALSE;
}
if (bit == 0) {
zeroCounter += 1;
} else {
break;
}
}
if (riceParam > 0) {
if (!ma_dr_flac__read_uint32(bs, riceParam, &decodedRice)) {
return MA_FALSE;
}
} else {
decodedRice = 0;
}
*pZeroCounterOut = zeroCounter;
*pRiceParamPartOut = decodedRice;
return MA_TRUE;
}
#endif
#if 0
static MA_INLINE ma_bool32 ma_dr_flac__read_rice_parts(ma_dr_flac_bs* bs, ma_uint8 riceParam, ma_uint32* pZeroCounterOut, ma_uint32* pRiceParamPartOut)
{
ma_dr_flac_cache_t riceParamMask;
ma_uint32 zeroCounter;
ma_uint32 setBitOffsetPlus1;
ma_uint32 riceParamPart;
ma_uint32 riceLength;
MA_DR_FLAC_ASSERT(riceParam > 0);
riceParamMask = MA_DR_FLAC_CACHE_L1_SELECTION_MASK(riceParam);
zeroCounter = 0;
while (bs->cache == 0) {
zeroCounter += (ma_uint32)MA_DR_FLAC_CACHE_L1_BITS_REMAINING(bs);
if (!ma_dr_flac__reload_cache(bs)) {
return MA_FALSE;
}
}
setBitOffsetPlus1 = ma_dr_flac__clz(bs->cache);
zeroCounter += setBitOffsetPlus1;
setBitOffsetPlus1 += 1;
riceLength = setBitOffsetPlus1 + riceParam;
if (riceLength < MA_DR_FLAC_CACHE_L1_BITS_REMAINING(bs)) {
riceParamPart = (ma_uint32)((bs->cache & (riceParamMask >> setBitOffsetPlus1)) >> MA_DR_FLAC_CACHE_L1_SELECTION_SHIFT(bs, riceLength));
bs->consumedBits += riceLength;
bs->cache <<= riceLength;
} else {
ma_uint32 bitCountLo;
ma_dr_flac_cache_t resultHi;
bs->consumedBits += riceLength;
bs->cache <<= setBitOffsetPlus1 & (MA_DR_FLAC_CACHE_L1_SIZE_BITS(bs)-1);
bitCountLo = bs->consumedBits - MA_DR_FLAC_CACHE_L1_SIZE_BITS(bs);
resultHi = MA_DR_FLAC_CACHE_L1_SELECT_AND_SHIFT(bs, riceParam);
if (bs->nextL2Line < MA_DR_FLAC_CACHE_L2_LINE_COUNT(bs)) {
#ifndef MA_DR_FLAC_NO_CRC
ma_dr_flac__update_crc16(bs);
#endif
bs->cache = ma_dr_flac__be2host__cache_line(bs->cacheL2[bs->nextL2Line++]);
bs->consumedBits = 0;
#ifndef MA_DR_FLAC_NO_CRC
bs->crc16Cache = bs->cache;
#endif
} else {
if (!ma_dr_flac__reload_cache(bs)) {
return MA_FALSE;
}
if (bitCountLo > MA_DR_FLAC_CACHE_L1_BITS_REMAINING(bs)) {
return MA_FALSE;
}
}
riceParamPart = (ma_uint32)(resultHi | MA_DR_FLAC_CACHE_L1_SELECT_AND_SHIFT_SAFE(bs, bitCountLo));
bs->consumedBits += bitCountLo;
bs->cache <<= bitCountLo;
}
pZeroCounterOut[0] = zeroCounter;
pRiceParamPartOut[0] = riceParamPart;
return MA_TRUE;
}
#endif
static MA_INLINE ma_bool32 ma_dr_flac__read_rice_parts_x1(ma_dr_flac_bs* bs, ma_uint8 riceParam, ma_uint32* pZeroCounterOut, ma_uint32* pRiceParamPartOut)
{
ma_uint32 riceParamPlus1 = riceParam + 1;
ma_uint32 riceParamPlus1Shift = MA_DR_FLAC_CACHE_L1_SELECTION_SHIFT(bs, riceParamPlus1);
ma_uint32 riceParamPlus1MaxConsumedBits = MA_DR_FLAC_CACHE_L1_SIZE_BITS(bs) - riceParamPlus1;
ma_dr_flac_cache_t bs_cache = bs->cache;
ma_uint32 bs_consumedBits = bs->consumedBits;
ma_uint32 lzcount = ma_dr_flac__clz(bs_cache);
if (lzcount < sizeof(bs_cache)*8) {
pZeroCounterOut[0] = lzcount;
extract_rice_param_part:
bs_cache <<= lzcount;
bs_consumedBits += lzcount;
if (bs_consumedBits <= riceParamPlus1MaxConsumedBits) {
pRiceParamPartOut[0] = (ma_uint32)(bs_cache >> riceParamPlus1Shift);
bs_cache <<= riceParamPlus1;
bs_consumedBits += riceParamPlus1;
} else {
ma_uint32 riceParamPartHi;
ma_uint32 riceParamPartLo;
ma_uint32 riceParamPartLoBitCount;
riceParamPartHi = (ma_uint32)(bs_cache >> riceParamPlus1Shift);
riceParamPartLoBitCount = bs_consumedBits - riceParamPlus1MaxConsumedBits;
MA_DR_FLAC_ASSERT(riceParamPartLoBitCount > 0 && riceParamPartLoBitCount < 32);
if (bs->nextL2Line < MA_DR_FLAC_CACHE_L2_LINE_COUNT(bs)) {
#ifndef MA_DR_FLAC_NO_CRC
ma_dr_flac__update_crc16(bs);
#endif
bs_cache = ma_dr_flac__be2host__cache_line(bs->cacheL2[bs->nextL2Line++]);
bs_consumedBits = riceParamPartLoBitCount;
#ifndef MA_DR_FLAC_NO_CRC
bs->crc16Cache = bs_cache;
#endif
} else {
if (!ma_dr_flac__reload_cache(bs)) {
return MA_FALSE;
}
if (riceParamPartLoBitCount > MA_DR_FLAC_CACHE_L1_BITS_REMAINING(bs)) {
return MA_FALSE;
}
bs_cache = bs->cache;
bs_consumedBits = bs->consumedBits + riceParamPartLoBitCount;
}
riceParamPartLo = (ma_uint32)(bs_cache >> (MA_DR_FLAC_CACHE_L1_SELECTION_SHIFT(bs, riceParamPartLoBitCount)));
pRiceParamPartOut[0] = riceParamPartHi | riceParamPartLo;
bs_cache <<= riceParamPartLoBitCount;
}
} else {
ma_uint32 zeroCounter = (ma_uint32)(MA_DR_FLAC_CACHE_L1_SIZE_BITS(bs) - bs_consumedBits);
for (;;) {
if (bs->nextL2Line < MA_DR_FLAC_CACHE_L2_LINE_COUNT(bs)) {
#ifndef MA_DR_FLAC_NO_CRC
ma_dr_flac__update_crc16(bs);
#endif
bs_cache = ma_dr_flac__be2host__cache_line(bs->cacheL2[bs->nextL2Line++]);
bs_consumedBits = 0;
#ifndef MA_DR_FLAC_NO_CRC
bs->crc16Cache = bs_cache;
#endif
} else {
if (!ma_dr_flac__reload_cache(bs)) {
return MA_FALSE;
}
bs_cache = bs->cache;
bs_consumedBits = bs->consumedBits;
}
lzcount = ma_dr_flac__clz(bs_cache);
zeroCounter += lzcount;
if (lzcount < sizeof(bs_cache)*8) {
break;
}
}
pZeroCounterOut[0] = zeroCounter;
goto extract_rice_param_part;
}
bs->cache = bs_cache;
bs->consumedBits = bs_consumedBits;
return MA_TRUE;
}
static MA_INLINE ma_bool32 ma_dr_flac__seek_rice_parts(ma_dr_flac_bs* bs, ma_uint8 riceParam)
{
ma_uint32 riceParamPlus1 = riceParam + 1;
ma_uint32 riceParamPlus1MaxConsumedBits = MA_DR_FLAC_CACHE_L1_SIZE_BITS(bs) - riceParamPlus1;
ma_dr_flac_cache_t bs_cache = bs->cache;
ma_uint32 bs_consumedBits = bs->consumedBits;
ma_uint32 lzcount = ma_dr_flac__clz(bs_cache);
if (lzcount < sizeof(bs_cache)*8) {
extract_rice_param_part:
bs_cache <<= lzcount;
bs_consumedBits += lzcount;
if (bs_consumedBits <= riceParamPlus1MaxConsumedBits) {
bs_cache <<= riceParamPlus1;
bs_consumedBits += riceParamPlus1;
} else {
ma_uint32 riceParamPartLoBitCount = bs_consumedBits - riceParamPlus1MaxConsumedBits;
MA_DR_FLAC_ASSERT(riceParamPartLoBitCount > 0 && riceParamPartLoBitCount < 32);
if (bs->nextL2Line < MA_DR_FLAC_CACHE_L2_LINE_COUNT(bs)) {
#ifndef MA_DR_FLAC_NO_CRC
ma_dr_flac__update_crc16(bs);
#endif
bs_cache = ma_dr_flac__be2host__cache_line(bs->cacheL2[bs->nextL2Line++]);
bs_consumedBits = riceParamPartLoBitCount;
#ifndef MA_DR_FLAC_NO_CRC
bs->crc16Cache = bs_cache;
#endif
} else {
if (!ma_dr_flac__reload_cache(bs)) {
return MA_FALSE;
}
if (riceParamPartLoBitCount > MA_DR_FLAC_CACHE_L1_BITS_REMAINING(bs)) {
return MA_FALSE;
}
bs_cache = bs->cache;
bs_consumedBits = bs->consumedBits + riceParamPartLoBitCount;
}
bs_cache <<= riceParamPartLoBitCount;
}
} else {
for (;;) {
if (bs->nextL2Line < MA_DR_FLAC_CACHE_L2_LINE_COUNT(bs)) {
#ifndef MA_DR_FLAC_NO_CRC
ma_dr_flac__update_crc16(bs);
#endif
bs_cache = ma_dr_flac__be2host__cache_line(bs->cacheL2[bs->nextL2Line++]);
bs_consumedBits = 0;
#ifndef MA_DR_FLAC_NO_CRC
bs->crc16Cache = bs_cache;
#endif
} else {
if (!ma_dr_flac__reload_cache(bs)) {
return MA_FALSE;
}
bs_cache = bs->cache;
bs_consumedBits = bs->consumedBits;
}
lzcount = ma_dr_flac__clz(bs_cache);
if (lzcount < sizeof(bs_cache)*8) {
break;
}
}
goto extract_rice_param_part;
}
bs->cache = bs_cache;
bs->consumedBits = bs_consumedBits;
return MA_TRUE;
}
static ma_bool32 ma_dr_flac__decode_samples_with_residual__rice__scalar_zeroorder(ma_dr_flac_bs* bs, ma_uint32 bitsPerSample, ma_uint32 count, ma_uint8 riceParam, ma_uint32 order, ma_int32 shift, const ma_int32* coefficients, ma_int32* pSamplesOut)
{
ma_uint32 t[2] = {0x00000000, 0xFFFFFFFF};
ma_uint32 zeroCountPart0;
ma_uint32 riceParamPart0;
ma_uint32 riceParamMask;
ma_uint32 i;
MA_DR_FLAC_ASSERT(bs != NULL);
MA_DR_FLAC_ASSERT(pSamplesOut != NULL);
(void)bitsPerSample;
(void)order;
(void)shift;
(void)coefficients;
riceParamMask = (ma_uint32)~((~0UL) << riceParam);
i = 0;
while (i < count) {
if (!ma_dr_flac__read_rice_parts_x1(bs, riceParam, &zeroCountPart0, &riceParamPart0)) {
return MA_FALSE;
}
riceParamPart0 &= riceParamMask;
riceParamPart0 |= (zeroCountPart0 << riceParam);
riceParamPart0 = (riceParamPart0 >> 1) ^ t[riceParamPart0 & 0x01];
pSamplesOut[i] = riceParamPart0;
i += 1;
}
return MA_TRUE;
}
static ma_bool32 ma_dr_flac__decode_samples_with_residual__rice__scalar(ma_dr_flac_bs* bs, ma_uint32 bitsPerSample, ma_uint32 count, ma_uint8 riceParam, ma_uint32 lpcOrder, ma_int32 lpcShift, ma_uint32 lpcPrecision, const ma_int32* coefficients, ma_int32* pSamplesOut)
{
ma_uint32 t[2] = {0x00000000, 0xFFFFFFFF};
ma_uint32 zeroCountPart0 = 0;
ma_uint32 zeroCountPart1 = 0;
ma_uint32 zeroCountPart2 = 0;
ma_uint32 zeroCountPart3 = 0;
ma_uint32 riceParamPart0 = 0;
ma_uint32 riceParamPart1 = 0;
ma_uint32 riceParamPart2 = 0;
ma_uint32 riceParamPart3 = 0;
ma_uint32 riceParamMask;
const ma_int32* pSamplesOutEnd;
ma_uint32 i;
MA_DR_FLAC_ASSERT(bs != NULL);
MA_DR_FLAC_ASSERT(pSamplesOut != NULL);
if (lpcOrder == 0) {
return ma_dr_flac__decode_samples_with_residual__rice__scalar_zeroorder(bs, bitsPerSample, count, riceParam, lpcOrder, lpcShift, coefficients, pSamplesOut);
}
riceParamMask = (ma_uint32)~((~0UL) << riceParam);
pSamplesOutEnd = pSamplesOut + (count & ~3);
if (ma_dr_flac__use_64_bit_prediction(bitsPerSample, lpcOrder, lpcPrecision)) {
while (pSamplesOut < pSamplesOutEnd) {
if (!ma_dr_flac__read_rice_parts_x1(bs, riceParam, &zeroCountPart0, &riceParamPart0) ||
!ma_dr_flac__read_rice_parts_x1(bs, riceParam, &zeroCountPart1, &riceParamPart1) ||
!ma_dr_flac__read_rice_parts_x1(bs, riceParam, &zeroCountPart2, &riceParamPart2) ||
!ma_dr_flac__read_rice_parts_x1(bs, riceParam, &zeroCountPart3, &riceParamPart3)) {
return MA_FALSE;
}
riceParamPart0 &= riceParamMask;
riceParamPart1 &= riceParamMask;
riceParamPart2 &= riceParamMask;
riceParamPart3 &= riceParamMask;
riceParamPart0 |= (zeroCountPart0 << riceParam);
riceParamPart1 |= (zeroCountPart1 << riceParam);
riceParamPart2 |= (zeroCountPart2 << riceParam);
riceParamPart3 |= (zeroCountPart3 << riceParam);
riceParamPart0 = (riceParamPart0 >> 1) ^ t[riceParamPart0 & 0x01];
riceParamPart1 = (riceParamPart1 >> 1) ^ t[riceParamPart1 & 0x01];
riceParamPart2 = (riceParamPart2 >> 1) ^ t[riceParamPart2 & 0x01];
riceParamPart3 = (riceParamPart3 >> 1) ^ t[riceParamPart3 & 0x01];
pSamplesOut[0] = riceParamPart0 + ma_dr_flac__calculate_prediction_64(lpcOrder, lpcShift, coefficients, pSamplesOut + 0);
pSamplesOut[1] = riceParamPart1 + ma_dr_flac__calculate_prediction_64(lpcOrder, lpcShift, coefficients, pSamplesOut + 1);
pSamplesOut[2] = riceParamPart2 + ma_dr_flac__calculate_prediction_64(lpcOrder, lpcShift, coefficients, pSamplesOut + 2);
pSamplesOut[3] = riceParamPart3 + ma_dr_flac__calculate_prediction_64(lpcOrder, lpcShift, coefficients, pSamplesOut + 3);
pSamplesOut += 4;
}
} else {
while (pSamplesOut < pSamplesOutEnd) {
if (!ma_dr_flac__read_rice_parts_x1(bs, riceParam, &zeroCountPart0, &riceParamPart0) ||
!ma_dr_flac__read_rice_parts_x1(bs, riceParam, &zeroCountPart1, &riceParamPart1) ||
!ma_dr_flac__read_rice_parts_x1(bs, riceParam, &zeroCountPart2, &riceParamPart2) ||
!ma_dr_flac__read_rice_parts_x1(bs, riceParam, &zeroCountPart3, &riceParamPart3)) {
return MA_FALSE;
}
riceParamPart0 &= riceParamMask;
riceParamPart1 &= riceParamMask;
riceParamPart2 &= riceParamMask;
riceParamPart3 &= riceParamMask;
riceParamPart0 |= (zeroCountPart0 << riceParam);
riceParamPart1 |= (zeroCountPart1 << riceParam);
riceParamPart2 |= (zeroCountPart2 << riceParam);
riceParamPart3 |= (zeroCountPart3 << riceParam);
riceParamPart0 = (riceParamPart0 >> 1) ^ t[riceParamPart0 & 0x01];
riceParamPart1 = (riceParamPart1 >> 1) ^ t[riceParamPart1 & 0x01];
riceParamPart2 = (riceParamPart2 >> 1) ^ t[riceParamPart2 & 0x01];
riceParamPart3 = (riceParamPart3 >> 1) ^ t[riceParamPart3 & 0x01];
pSamplesOut[0] = riceParamPart0 + ma_dr_flac__calculate_prediction_32(lpcOrder, lpcShift, coefficients, pSamplesOut + 0);
pSamplesOut[1] = riceParamPart1 + ma_dr_flac__calculate_prediction_32(lpcOrder, lpcShift, coefficients, pSamplesOut + 1);
pSamplesOut[2] = riceParamPart2 + ma_dr_flac__calculate_prediction_32(lpcOrder, lpcShift, coefficients, pSamplesOut + 2);
pSamplesOut[3] = riceParamPart3 + ma_dr_flac__calculate_prediction_32(lpcOrder, lpcShift, coefficients, pSamplesOut + 3);
pSamplesOut += 4;
}
}
i = (count & ~3);
while (i < count) {
if (!ma_dr_flac__read_rice_parts_x1(bs, riceParam, &zeroCountPart0, &riceParamPart0)) {
return MA_FALSE;
}
riceParamPart0 &= riceParamMask;
riceParamPart0 |= (zeroCountPart0 << riceParam);
riceParamPart0 = (riceParamPart0 >> 1) ^ t[riceParamPart0 & 0x01];
if (ma_dr_flac__use_64_bit_prediction(bitsPerSample, lpcOrder, lpcPrecision)) {
pSamplesOut[0] = riceParamPart0 + ma_dr_flac__calculate_prediction_64(lpcOrder, lpcShift, coefficients, pSamplesOut + 0);
} else {
pSamplesOut[0] = riceParamPart0 + ma_dr_flac__calculate_prediction_32(lpcOrder, lpcShift, coefficients, pSamplesOut + 0);
}
i += 1;
pSamplesOut += 1;
}
return MA_TRUE;
}
#if defined(MA_DR_FLAC_SUPPORT_SSE2)
static MA_INLINE __m128i ma_dr_flac__mm_packs_interleaved_epi32(__m128i a, __m128i b)
{
__m128i r;
r = _mm_packs_epi32(a, b);
r = _mm_shuffle_epi32(r, _MM_SHUFFLE(3, 1, 2, 0));
r = _mm_shufflehi_epi16(r, _MM_SHUFFLE(3, 1, 2, 0));
r = _mm_shufflelo_epi16(r, _MM_SHUFFLE(3, 1, 2, 0));
return r;
}
#endif
#if defined(MA_DR_FLAC_SUPPORT_SSE41)
static MA_INLINE __m128i ma_dr_flac__mm_not_si128(__m128i a)
{
return _mm_xor_si128(a, _mm_cmpeq_epi32(_mm_setzero_si128(), _mm_setzero_si128()));
}
static MA_INLINE __m128i ma_dr_flac__mm_hadd_epi32(__m128i x)
{
__m128i x64 = _mm_add_epi32(x, _mm_shuffle_epi32(x, _MM_SHUFFLE(1, 0, 3, 2)));
__m128i x32 = _mm_shufflelo_epi16(x64, _MM_SHUFFLE(1, 0, 3, 2));
return _mm_add_epi32(x64, x32);
}
static MA_INLINE __m128i ma_dr_flac__mm_hadd_epi64(__m128i x)
{
return _mm_add_epi64(x, _mm_shuffle_epi32(x, _MM_SHUFFLE(1, 0, 3, 2)));
}
static MA_INLINE __m128i ma_dr_flac__mm_srai_epi64(__m128i x, int count)
{
__m128i lo = _mm_srli_epi64(x, count);
__m128i hi = _mm_srai_epi32(x, count);
hi = _mm_and_si128(hi, _mm_set_epi32(0xFFFFFFFF, 0, 0xFFFFFFFF, 0));
return _mm_or_si128(lo, hi);
}
static ma_bool32 ma_dr_flac__decode_samples_with_residual__rice__sse41_32(ma_dr_flac_bs* bs, ma_uint32 count, ma_uint8 riceParam, ma_uint32 order, ma_int32 shift, const ma_int32* coefficients, ma_int32* pSamplesOut)
{
int i;
ma_uint32 riceParamMask;
ma_int32* pDecodedSamples = pSamplesOut;
ma_int32* pDecodedSamplesEnd = pSamplesOut + (count & ~3);
ma_uint32 zeroCountParts0 = 0;
ma_uint32 zeroCountParts1 = 0;
ma_uint32 zeroCountParts2 = 0;
ma_uint32 zeroCountParts3 = 0;
ma_uint32 riceParamParts0 = 0;
ma_uint32 riceParamParts1 = 0;
ma_uint32 riceParamParts2 = 0;
ma_uint32 riceParamParts3 = 0;
__m128i coefficients128_0;
__m128i coefficients128_4;
__m128i coefficients128_8;
__m128i samples128_0;
__m128i samples128_4;
__m128i samples128_8;
__m128i riceParamMask128;
const ma_uint32 t[2] = {0x00000000, 0xFFFFFFFF};
riceParamMask = (ma_uint32)~((~0UL) << riceParam);
riceParamMask128 = _mm_set1_epi32(riceParamMask);
coefficients128_0 = _mm_setzero_si128();
coefficients128_4 = _mm_setzero_si128();
coefficients128_8 = _mm_setzero_si128();
samples128_0 = _mm_setzero_si128();
samples128_4 = _mm_setzero_si128();
samples128_8 = _mm_setzero_si128();
#if 1
{
int runningOrder = order;
if (runningOrder >= 4) {
coefficients128_0 = _mm_loadu_si128((const __m128i*)(coefficients + 0));
samples128_0 = _mm_loadu_si128((const __m128i*)(pSamplesOut - 4));
runningOrder -= 4;
} else {
switch (runningOrder) {
case 3: coefficients128_0 = _mm_set_epi32(0, coefficients[2], coefficients[1], coefficients[0]); samples128_0 = _mm_set_epi32(pSamplesOut[-1], pSamplesOut[-2], pSamplesOut[-3], 0); break;
case 2: coefficients128_0 = _mm_set_epi32(0, 0, coefficients[1], coefficients[0]); samples128_0 = _mm_set_epi32(pSamplesOut[-1], pSamplesOut[-2], 0, 0); break;
case 1: coefficients128_0 = _mm_set_epi32(0, 0, 0, coefficients[0]); samples128_0 = _mm_set_epi32(pSamplesOut[-1], 0, 0, 0); break;
}
runningOrder = 0;
}
if (runningOrder >= 4) {
coefficients128_4 = _mm_loadu_si128((const __m128i*)(coefficients + 4));
samples128_4 = _mm_loadu_si128((const __m128i*)(pSamplesOut - 8));
runningOrder -= 4;
} else {
switch (runningOrder) {
case 3: coefficients128_4 = _mm_set_epi32(0, coefficients[6], coefficients[5], coefficients[4]); samples128_4 = _mm_set_epi32(pSamplesOut[-5], pSamplesOut[-6], pSamplesOut[-7], 0); break;
case 2: coefficients128_4 = _mm_set_epi32(0, 0, coefficients[5], coefficients[4]); samples128_4 = _mm_set_epi32(pSamplesOut[-5], pSamplesOut[-6], 0, 0); break;
case 1: coefficients128_4 = _mm_set_epi32(0, 0, 0, coefficients[4]); samples128_4 = _mm_set_epi32(pSamplesOut[-5], 0, 0, 0); break;
}
runningOrder = 0;
}
if (runningOrder == 4) {
coefficients128_8 = _mm_loadu_si128((const __m128i*)(coefficients + 8));
samples128_8 = _mm_loadu_si128((const __m128i*)(pSamplesOut - 12));
runningOrder -= 4;
} else {
switch (runningOrder) {
case 3: coefficients128_8 = _mm_set_epi32(0, coefficients[10], coefficients[9], coefficients[8]); samples128_8 = _mm_set_epi32(pSamplesOut[-9], pSamplesOut[-10], pSamplesOut[-11], 0); break;
case 2: coefficients128_8 = _mm_set_epi32(0, 0, coefficients[9], coefficients[8]); samples128_8 = _mm_set_epi32(pSamplesOut[-9], pSamplesOut[-10], 0, 0); break;
case 1: coefficients128_8 = _mm_set_epi32(0, 0, 0, coefficients[8]); samples128_8 = _mm_set_epi32(pSamplesOut[-9], 0, 0, 0); break;
}
runningOrder = 0;
}
coefficients128_0 = _mm_shuffle_epi32(coefficients128_0, _MM_SHUFFLE(0, 1, 2, 3));
coefficients128_4 = _mm_shuffle_epi32(coefficients128_4, _MM_SHUFFLE(0, 1, 2, 3));
coefficients128_8 = _mm_shuffle_epi32(coefficients128_8, _MM_SHUFFLE(0, 1, 2, 3));
}
#else
switch (order)
{
case 12: ((ma_int32*)&coefficients128_8)[0] = coefficients[11]; ((ma_int32*)&samples128_8)[0] = pDecodedSamples[-12];
case 11: ((ma_int32*)&coefficients128_8)[1] = coefficients[10]; ((ma_int32*)&samples128_8)[1] = pDecodedSamples[-11];
case 10: ((ma_int32*)&coefficients128_8)[2] = coefficients[ 9]; ((ma_int32*)&samples128_8)[2] = pDecodedSamples[-10];
case 9: ((ma_int32*)&coefficients128_8)[3] = coefficients[ 8]; ((ma_int32*)&samples128_8)[3] = pDecodedSamples[- 9];
case 8: ((ma_int32*)&coefficients128_4)[0] = coefficients[ 7]; ((ma_int32*)&samples128_4)[0] = pDecodedSamples[- 8];
case 7: ((ma_int32*)&coefficients128_4)[1] = coefficients[ 6]; ((ma_int32*)&samples128_4)[1] = pDecodedSamples[- 7];
case 6: ((ma_int32*)&coefficients128_4)[2] = coefficients[ 5]; ((ma_int32*)&samples128_4)[2] = pDecodedSamples[- 6];
case 5: ((ma_int32*)&coefficients128_4)[3] = coefficients[ 4]; ((ma_int32*)&samples128_4)[3] = pDecodedSamples[- 5];
case 4: ((ma_int32*)&coefficients128_0)[0] = coefficients[ 3]; ((ma_int32*)&samples128_0)[0] = pDecodedSamples[- 4];
case 3: ((ma_int32*)&coefficients128_0)[1] = coefficients[ 2]; ((ma_int32*)&samples128_0)[1] = pDecodedSamples[- 3];
case 2: ((ma_int32*)&coefficients128_0)[2] = coefficients[ 1]; ((ma_int32*)&samples128_0)[2] = pDecodedSamples[- 2];
case 1: ((ma_int32*)&coefficients128_0)[3] = coefficients[ 0]; ((ma_int32*)&samples128_0)[3] = pDecodedSamples[- 1];
}
#endif
while (pDecodedSamples < pDecodedSamplesEnd) {
__m128i prediction128;
__m128i zeroCountPart128;
__m128i riceParamPart128;
if (!ma_dr_flac__read_rice_parts_x1(bs, riceParam, &zeroCountParts0, &riceParamParts0) ||
!ma_dr_flac__read_rice_parts_x1(bs, riceParam, &zeroCountParts1, &riceParamParts1) ||
!ma_dr_flac__read_rice_parts_x1(bs, riceParam, &zeroCountParts2, &riceParamParts2) ||
!ma_dr_flac__read_rice_parts_x1(bs, riceParam, &zeroCountParts3, &riceParamParts3)) {
return MA_FALSE;
}
zeroCountPart128 = _mm_set_epi32(zeroCountParts3, zeroCountParts2, zeroCountParts1, zeroCountParts0);
riceParamPart128 = _mm_set_epi32(riceParamParts3, riceParamParts2, riceParamParts1, riceParamParts0);
riceParamPart128 = _mm_and_si128(riceParamPart128, riceParamMask128);
riceParamPart128 = _mm_or_si128(riceParamPart128, _mm_slli_epi32(zeroCountPart128, riceParam));
riceParamPart128 = _mm_xor_si128(_mm_srli_epi32(riceParamPart128, 1), _mm_add_epi32(ma_dr_flac__mm_not_si128(_mm_and_si128(riceParamPart128, _mm_set1_epi32(0x01))), _mm_set1_epi32(0x01)));
if (order <= 4) {
for (i = 0; i < 4; i += 1) {
prediction128 = _mm_mullo_epi32(coefficients128_0, samples128_0);
prediction128 = ma_dr_flac__mm_hadd_epi32(prediction128);
prediction128 = _mm_srai_epi32(prediction128, shift);
prediction128 = _mm_add_epi32(riceParamPart128, prediction128);
samples128_0 = _mm_alignr_epi8(prediction128, samples128_0, 4);
riceParamPart128 = _mm_alignr_epi8(_mm_setzero_si128(), riceParamPart128, 4);
}
} else if (order <= 8) {
for (i = 0; i < 4; i += 1) {
prediction128 = _mm_mullo_epi32(coefficients128_4, samples128_4);
prediction128 = _mm_add_epi32(prediction128, _mm_mullo_epi32(coefficients128_0, samples128_0));
prediction128 = ma_dr_flac__mm_hadd_epi32(prediction128);
prediction128 = _mm_srai_epi32(prediction128, shift);
prediction128 = _mm_add_epi32(riceParamPart128, prediction128);
samples128_4 = _mm_alignr_epi8(samples128_0, samples128_4, 4);
samples128_0 = _mm_alignr_epi8(prediction128, samples128_0, 4);
riceParamPart128 = _mm_alignr_epi8(_mm_setzero_si128(), riceParamPart128, 4);
}
} else {
for (i = 0; i < 4; i += 1) {
prediction128 = _mm_mullo_epi32(coefficients128_8, samples128_8);
prediction128 = _mm_add_epi32(prediction128, _mm_mullo_epi32(coefficients128_4, samples128_4));
prediction128 = _mm_add_epi32(prediction128, _mm_mullo_epi32(coefficients128_0, samples128_0));
prediction128 = ma_dr_flac__mm_hadd_epi32(prediction128);
prediction128 = _mm_srai_epi32(prediction128, shift);
prediction128 = _mm_add_epi32(riceParamPart128, prediction128);
samples128_8 = _mm_alignr_epi8(samples128_4, samples128_8, 4);
samples128_4 = _mm_alignr_epi8(samples128_0, samples128_4, 4);
samples128_0 = _mm_alignr_epi8(prediction128, samples128_0, 4);
riceParamPart128 = _mm_alignr_epi8(_mm_setzero_si128(), riceParamPart128, 4);
}
}
_mm_storeu_si128((__m128i*)pDecodedSamples, samples128_0);
pDecodedSamples += 4;
}
i = (count & ~3);
while (i < (int)count) {
if (!ma_dr_flac__read_rice_parts_x1(bs, riceParam, &zeroCountParts0, &riceParamParts0)) {
return MA_FALSE;
}
riceParamParts0 &= riceParamMask;
riceParamParts0 |= (zeroCountParts0 << riceParam);
riceParamParts0 = (riceParamParts0 >> 1) ^ t[riceParamParts0 & 0x01];
pDecodedSamples[0] = riceParamParts0 + ma_dr_flac__calculate_prediction_32(order, shift, coefficients, pDecodedSamples);
i += 1;
pDecodedSamples += 1;
}
return MA_TRUE;
}
static ma_bool32 ma_dr_flac__decode_samples_with_residual__rice__sse41_64(ma_dr_flac_bs* bs, ma_uint32 count, ma_uint8 riceParam, ma_uint32 order, ma_int32 shift, const ma_int32* coefficients, ma_int32* pSamplesOut)
{
int i;
ma_uint32 riceParamMask;
ma_int32* pDecodedSamples = pSamplesOut;
ma_int32* pDecodedSamplesEnd = pSamplesOut + (count & ~3);
ma_uint32 zeroCountParts0 = 0;
ma_uint32 zeroCountParts1 = 0;
ma_uint32 zeroCountParts2 = 0;
ma_uint32 zeroCountParts3 = 0;
ma_uint32 riceParamParts0 = 0;
ma_uint32 riceParamParts1 = 0;
ma_uint32 riceParamParts2 = 0;
ma_uint32 riceParamParts3 = 0;
__m128i coefficients128_0;
__m128i coefficients128_4;
__m128i coefficients128_8;
__m128i samples128_0;
__m128i samples128_4;
__m128i samples128_8;
__m128i prediction128;
__m128i riceParamMask128;
const ma_uint32 t[2] = {0x00000000, 0xFFFFFFFF};
MA_DR_FLAC_ASSERT(order <= 12);
riceParamMask = (ma_uint32)~((~0UL) << riceParam);
riceParamMask128 = _mm_set1_epi32(riceParamMask);
prediction128 = _mm_setzero_si128();
coefficients128_0 = _mm_setzero_si128();
coefficients128_4 = _mm_setzero_si128();
coefficients128_8 = _mm_setzero_si128();
samples128_0 = _mm_setzero_si128();
samples128_4 = _mm_setzero_si128();
samples128_8 = _mm_setzero_si128();
#if 1
{
int runningOrder = order;
if (runningOrder >= 4) {
coefficients128_0 = _mm_loadu_si128((const __m128i*)(coefficients + 0));
samples128_0 = _mm_loadu_si128((const __m128i*)(pSamplesOut - 4));
runningOrder -= 4;
} else {
switch (runningOrder) {
case 3: coefficients128_0 = _mm_set_epi32(0, coefficients[2], coefficients[1], coefficients[0]); samples128_0 = _mm_set_epi32(pSamplesOut[-1], pSamplesOut[-2], pSamplesOut[-3], 0); break;
case 2: coefficients128_0 = _mm_set_epi32(0, 0, coefficients[1], coefficients[0]); samples128_0 = _mm_set_epi32(pSamplesOut[-1], pSamplesOut[-2], 0, 0); break;
case 1: coefficients128_0 = _mm_set_epi32(0, 0, 0, coefficients[0]); samples128_0 = _mm_set_epi32(pSamplesOut[-1], 0, 0, 0); break;
}
runningOrder = 0;
}
if (runningOrder >= 4) {
coefficients128_4 = _mm_loadu_si128((const __m128i*)(coefficients + 4));
samples128_4 = _mm_loadu_si128((const __m128i*)(pSamplesOut - 8));
runningOrder -= 4;
} else {
switch (runningOrder) {
case 3: coefficients128_4 = _mm_set_epi32(0, coefficients[6], coefficients[5], coefficients[4]); samples128_4 = _mm_set_epi32(pSamplesOut[-5], pSamplesOut[-6], pSamplesOut[-7], 0); break;
case 2: coefficients128_4 = _mm_set_epi32(0, 0, coefficients[5], coefficients[4]); samples128_4 = _mm_set_epi32(pSamplesOut[-5], pSamplesOut[-6], 0, 0); break;
case 1: coefficients128_4 = _mm_set_epi32(0, 0, 0, coefficients[4]); samples128_4 = _mm_set_epi32(pSamplesOut[-5], 0, 0, 0); break;
}
runningOrder = 0;
}
if (runningOrder == 4) {
coefficients128_8 = _mm_loadu_si128((const __m128i*)(coefficients + 8));
samples128_8 = _mm_loadu_si128((const __m128i*)(pSamplesOut - 12));
runningOrder -= 4;
} else {
switch (runningOrder) {
case 3: coefficients128_8 = _mm_set_epi32(0, coefficients[10], coefficients[9], coefficients[8]); samples128_8 = _mm_set_epi32(pSamplesOut[-9], pSamplesOut[-10], pSamplesOut[-11], 0); break;
case 2: coefficients128_8 = _mm_set_epi32(0, 0, coefficients[9], coefficients[8]); samples128_8 = _mm_set_epi32(pSamplesOut[-9], pSamplesOut[-10], 0, 0); break;
case 1: coefficients128_8 = _mm_set_epi32(0, 0, 0, coefficients[8]); samples128_8 = _mm_set_epi32(pSamplesOut[-9], 0, 0, 0); break;
}
runningOrder = 0;
}
coefficients128_0 = _mm_shuffle_epi32(coefficients128_0, _MM_SHUFFLE(0, 1, 2, 3));
coefficients128_4 = _mm_shuffle_epi32(coefficients128_4, _MM_SHUFFLE(0, 1, 2, 3));
coefficients128_8 = _mm_shuffle_epi32(coefficients128_8, _MM_SHUFFLE(0, 1, 2, 3));
}
#else
switch (order)
{
case 12: ((ma_int32*)&coefficients128_8)[0] = coefficients[11]; ((ma_int32*)&samples128_8)[0] = pDecodedSamples[-12];
case 11: ((ma_int32*)&coefficients128_8)[1] = coefficients[10]; ((ma_int32*)&samples128_8)[1] = pDecodedSamples[-11];
case 10: ((ma_int32*)&coefficients128_8)[2] = coefficients[ 9]; ((ma_int32*)&samples128_8)[2] = pDecodedSamples[-10];
case 9: ((ma_int32*)&coefficients128_8)[3] = coefficients[ 8]; ((ma_int32*)&samples128_8)[3] = pDecodedSamples[- 9];
case 8: ((ma_int32*)&coefficients128_4)[0] = coefficients[ 7]; ((ma_int32*)&samples128_4)[0] = pDecodedSamples[- 8];
case 7: ((ma_int32*)&coefficients128_4)[1] = coefficients[ 6]; ((ma_int32*)&samples128_4)[1] = pDecodedSamples[- 7];
case 6: ((ma_int32*)&coefficients128_4)[2] = coefficients[ 5]; ((ma_int32*)&samples128_4)[2] = pDecodedSamples[- 6];
case 5: ((ma_int32*)&coefficients128_4)[3] = coefficients[ 4]; ((ma_int32*)&samples128_4)[3] = pDecodedSamples[- 5];
case 4: ((ma_int32*)&coefficients128_0)[0] = coefficients[ 3]; ((ma_int32*)&samples128_0)[0] = pDecodedSamples[- 4];
case 3: ((ma_int32*)&coefficients128_0)[1] = coefficients[ 2]; ((ma_int32*)&samples128_0)[1] = pDecodedSamples[- 3];
case 2: ((ma_int32*)&coefficients128_0)[2] = coefficients[ 1]; ((ma_int32*)&samples128_0)[2] = pDecodedSamples[- 2];
case 1: ((ma_int32*)&coefficients128_0)[3] = coefficients[ 0]; ((ma_int32*)&samples128_0)[3] = pDecodedSamples[- 1];
}
#endif
while (pDecodedSamples < pDecodedSamplesEnd) {
__m128i zeroCountPart128;
__m128i riceParamPart128;
if (!ma_dr_flac__read_rice_parts_x1(bs, riceParam, &zeroCountParts0, &riceParamParts0) ||
!ma_dr_flac__read_rice_parts_x1(bs, riceParam, &zeroCountParts1, &riceParamParts1) ||
!ma_dr_flac__read_rice_parts_x1(bs, riceParam, &zeroCountParts2, &riceParamParts2) ||
!ma_dr_flac__read_rice_parts_x1(bs, riceParam, &zeroCountParts3, &riceParamParts3)) {
return MA_FALSE;
}
zeroCountPart128 = _mm_set_epi32(zeroCountParts3, zeroCountParts2, zeroCountParts1, zeroCountParts0);
riceParamPart128 = _mm_set_epi32(riceParamParts3, riceParamParts2, riceParamParts1, riceParamParts0);
riceParamPart128 = _mm_and_si128(riceParamPart128, riceParamMask128);
riceParamPart128 = _mm_or_si128(riceParamPart128, _mm_slli_epi32(zeroCountPart128, riceParam));
riceParamPart128 = _mm_xor_si128(_mm_srli_epi32(riceParamPart128, 1), _mm_add_epi32(ma_dr_flac__mm_not_si128(_mm_and_si128(riceParamPart128, _mm_set1_epi32(1))), _mm_set1_epi32(1)));
for (i = 0; i < 4; i += 1) {
prediction128 = _mm_xor_si128(prediction128, prediction128);
switch (order)
{
case 12:
case 11: prediction128 = _mm_add_epi64(prediction128, _mm_mul_epi32(_mm_shuffle_epi32(coefficients128_8, _MM_SHUFFLE(1, 1, 0, 0)), _mm_shuffle_epi32(samples128_8, _MM_SHUFFLE(1, 1, 0, 0))));
case 10:
case 9: prediction128 = _mm_add_epi64(prediction128, _mm_mul_epi32(_mm_shuffle_epi32(coefficients128_8, _MM_SHUFFLE(3, 3, 2, 2)), _mm_shuffle_epi32(samples128_8, _MM_SHUFFLE(3, 3, 2, 2))));
case 8:
case 7: prediction128 = _mm_add_epi64(prediction128, _mm_mul_epi32(_mm_shuffle_epi32(coefficients128_4, _MM_SHUFFLE(1, 1, 0, 0)), _mm_shuffle_epi32(samples128_4, _MM_SHUFFLE(1, 1, 0, 0))));
case 6:
case 5: prediction128 = _mm_add_epi64(prediction128, _mm_mul_epi32(_mm_shuffle_epi32(coefficients128_4, _MM_SHUFFLE(3, 3, 2, 2)), _mm_shuffle_epi32(samples128_4, _MM_SHUFFLE(3, 3, 2, 2))));
case 4:
case 3: prediction128 = _mm_add_epi64(prediction128, _mm_mul_epi32(_mm_shuffle_epi32(coefficients128_0, _MM_SHUFFLE(1, 1, 0, 0)), _mm_shuffle_epi32(samples128_0, _MM_SHUFFLE(1, 1, 0, 0))));
case 2:
case 1: prediction128 = _mm_add_epi64(prediction128, _mm_mul_epi32(_mm_shuffle_epi32(coefficients128_0, _MM_SHUFFLE(3, 3, 2, 2)), _mm_shuffle_epi32(samples128_0, _MM_SHUFFLE(3, 3, 2, 2))));
}
prediction128 = ma_dr_flac__mm_hadd_epi64(prediction128);
prediction128 = ma_dr_flac__mm_srai_epi64(prediction128, shift);
prediction128 = _mm_add_epi32(riceParamPart128, prediction128);
samples128_8 = _mm_alignr_epi8(samples128_4, samples128_8, 4);
samples128_4 = _mm_alignr_epi8(samples128_0, samples128_4, 4);
samples128_0 = _mm_alignr_epi8(prediction128, samples128_0, 4);
riceParamPart128 = _mm_alignr_epi8(_mm_setzero_si128(), riceParamPart128, 4);
}
_mm_storeu_si128((__m128i*)pDecodedSamples, samples128_0);
pDecodedSamples += 4;
}
i = (count & ~3);
while (i < (int)count) {
if (!ma_dr_flac__read_rice_parts_x1(bs, riceParam, &zeroCountParts0, &riceParamParts0)) {
return MA_FALSE;
}
riceParamParts0 &= riceParamMask;
riceParamParts0 |= (zeroCountParts0 << riceParam);
riceParamParts0 = (riceParamParts0 >> 1) ^ t[riceParamParts0 & 0x01];
pDecodedSamples[0] = riceParamParts0 + ma_dr_flac__calculate_prediction_64(order, shift, coefficients, pDecodedSamples);
i += 1;
pDecodedSamples += 1;
}
return MA_TRUE;
}
static ma_bool32 ma_dr_flac__decode_samples_with_residual__rice__sse41(ma_dr_flac_bs* bs, ma_uint32 bitsPerSample, ma_uint32 count, ma_uint8 riceParam, ma_uint32 lpcOrder, ma_int32 lpcShift, ma_uint32 lpcPrecision, const ma_int32* coefficients, ma_int32* pSamplesOut)
{
MA_DR_FLAC_ASSERT(bs != NULL);
MA_DR_FLAC_ASSERT(pSamplesOut != NULL);
if (lpcOrder > 0 && lpcOrder <= 12) {
if (ma_dr_flac__use_64_bit_prediction(bitsPerSample, lpcOrder, lpcPrecision)) {
return ma_dr_flac__decode_samples_with_residual__rice__sse41_64(bs, count, riceParam, lpcOrder, lpcShift, coefficients, pSamplesOut);
} else {
return ma_dr_flac__decode_samples_with_residual__rice__sse41_32(bs, count, riceParam, lpcOrder, lpcShift, coefficients, pSamplesOut);
}
} else {
return ma_dr_flac__decode_samples_with_residual__rice__scalar(bs, bitsPerSample, count, riceParam, lpcOrder, lpcShift, lpcPrecision, coefficients, pSamplesOut);
}
}
#endif
#if defined(MA_DR_FLAC_SUPPORT_NEON)
static MA_INLINE void ma_dr_flac__vst2q_s32(ma_int32* p, int32x4x2_t x)
{
vst1q_s32(p+0, x.val[0]);
vst1q_s32(p+4, x.val[1]);
}
static MA_INLINE void ma_dr_flac__vst2q_u32(ma_uint32* p, uint32x4x2_t x)
{
vst1q_u32(p+0, x.val[0]);
vst1q_u32(p+4, x.val[1]);
}
static MA_INLINE void ma_dr_flac__vst2q_f32(float* p, float32x4x2_t x)
{
vst1q_f32(p+0, x.val[0]);
vst1q_f32(p+4, x.val[1]);
}
static MA_INLINE void ma_dr_flac__vst2q_s16(ma_int16* p, int16x4x2_t x)
{
vst1q_s16(p, vcombine_s16(x.val[0], x.val[1]));
}
static MA_INLINE void ma_dr_flac__vst2q_u16(ma_uint16* p, uint16x4x2_t x)
{
vst1q_u16(p, vcombine_u16(x.val[0], x.val[1]));
}
static MA_INLINE int32x4_t ma_dr_flac__vdupq_n_s32x4(ma_int32 x3, ma_int32 x2, ma_int32 x1, ma_int32 x0)
{
ma_int32 x[4];
x[3] = x3;
x[2] = x2;
x[1] = x1;
x[0] = x0;
return vld1q_s32(x);
}
static MA_INLINE int32x4_t ma_dr_flac__valignrq_s32_1(int32x4_t a, int32x4_t b)
{
return vextq_s32(b, a, 1);
}
static MA_INLINE uint32x4_t ma_dr_flac__valignrq_u32_1(uint32x4_t a, uint32x4_t b)
{
return vextq_u32(b, a, 1);
}
static MA_INLINE int32x2_t ma_dr_flac__vhaddq_s32(int32x4_t x)
{
int32x2_t r = vadd_s32(vget_high_s32(x), vget_low_s32(x));
return vpadd_s32(r, r);
}
static MA_INLINE int64x1_t ma_dr_flac__vhaddq_s64(int64x2_t x)
{
return vadd_s64(vget_high_s64(x), vget_low_s64(x));
}
static MA_INLINE int32x4_t ma_dr_flac__vrevq_s32(int32x4_t x)
{
return vrev64q_s32(vcombine_s32(vget_high_s32(x), vget_low_s32(x)));
}
static MA_INLINE int32x4_t ma_dr_flac__vnotq_s32(int32x4_t x)
{
return veorq_s32(x, vdupq_n_s32(0xFFFFFFFF));
}
static MA_INLINE uint32x4_t ma_dr_flac__vnotq_u32(uint32x4_t x)
{
return veorq_u32(x, vdupq_n_u32(0xFFFFFFFF));
}
static ma_bool32 ma_dr_flac__decode_samples_with_residual__rice__neon_32(ma_dr_flac_bs* bs, ma_uint32 count, ma_uint8 riceParam, ma_uint32 order, ma_int32 shift, const ma_int32* coefficients, ma_int32* pSamplesOut)
{
int i;
ma_uint32 riceParamMask;
ma_int32* pDecodedSamples = pSamplesOut;
ma_int32* pDecodedSamplesEnd = pSamplesOut + (count & ~3);
ma_uint32 zeroCountParts[4];
ma_uint32 riceParamParts[4];
int32x4_t coefficients128_0;
int32x4_t coefficients128_4;
int32x4_t coefficients128_8;
int32x4_t samples128_0;
int32x4_t samples128_4;
int32x4_t samples128_8;
uint32x4_t riceParamMask128;
int32x4_t riceParam128;
int32x2_t shift64;
uint32x4_t one128;
const ma_uint32 t[2] = {0x00000000, 0xFFFFFFFF};
riceParamMask = (ma_uint32)~((~0UL) << riceParam);
riceParamMask128 = vdupq_n_u32(riceParamMask);
riceParam128 = vdupq_n_s32(riceParam);
shift64 = vdup_n_s32(-shift);
one128 = vdupq_n_u32(1);
{
int runningOrder = order;
ma_int32 tempC[4] = {0, 0, 0, 0};
ma_int32 tempS[4] = {0, 0, 0, 0};
if (runningOrder >= 4) {
coefficients128_0 = vld1q_s32(coefficients + 0);
samples128_0 = vld1q_s32(pSamplesOut - 4);
runningOrder -= 4;
} else {
switch (runningOrder) {
case 3: tempC[2] = coefficients[2]; tempS[1] = pSamplesOut[-3];
case 2: tempC[1] = coefficients[1]; tempS[2] = pSamplesOut[-2];
case 1: tempC[0] = coefficients[0]; tempS[3] = pSamplesOut[-1];
}
coefficients128_0 = vld1q_s32(tempC);
samples128_0 = vld1q_s32(tempS);
runningOrder = 0;
}
if (runningOrder >= 4) {
coefficients128_4 = vld1q_s32(coefficients + 4);
samples128_4 = vld1q_s32(pSamplesOut - 8);
runningOrder -= 4;
} else {
switch (runningOrder) {
case 3: tempC[2] = coefficients[6]; tempS[1] = pSamplesOut[-7];
case 2: tempC[1] = coefficients[5]; tempS[2] = pSamplesOut[-6];
case 1: tempC[0] = coefficients[4]; tempS[3] = pSamplesOut[-5];
}
coefficients128_4 = vld1q_s32(tempC);
samples128_4 = vld1q_s32(tempS);
runningOrder = 0;
}
if (runningOrder == 4) {
coefficients128_8 = vld1q_s32(coefficients + 8);
samples128_8 = vld1q_s32(pSamplesOut - 12);
runningOrder -= 4;
} else {
switch (runningOrder) {
case 3: tempC[2] = coefficients[10]; tempS[1] = pSamplesOut[-11];
case 2: tempC[1] = coefficients[ 9]; tempS[2] = pSamplesOut[-10];
case 1: tempC[0] = coefficients[ 8]; tempS[3] = pSamplesOut[- 9];
}
coefficients128_8 = vld1q_s32(tempC);
samples128_8 = vld1q_s32(tempS);
runningOrder = 0;
}
coefficients128_0 = ma_dr_flac__vrevq_s32(coefficients128_0);
coefficients128_4 = ma_dr_flac__vrevq_s32(coefficients128_4);
coefficients128_8 = ma_dr_flac__vrevq_s32(coefficients128_8);
}
while (pDecodedSamples < pDecodedSamplesEnd) {
int32x4_t prediction128;
int32x2_t prediction64;
uint32x4_t zeroCountPart128;
uint32x4_t riceParamPart128;
if (!ma_dr_flac__read_rice_parts_x1(bs, riceParam, &zeroCountParts[0], &riceParamParts[0]) ||
!ma_dr_flac__read_rice_parts_x1(bs, riceParam, &zeroCountParts[1], &riceParamParts[1]) ||
!ma_dr_flac__read_rice_parts_x1(bs, riceParam, &zeroCountParts[2], &riceParamParts[2]) ||
!ma_dr_flac__read_rice_parts_x1(bs, riceParam, &zeroCountParts[3], &riceParamParts[3])) {
return MA_FALSE;
}
zeroCountPart128 = vld1q_u32(zeroCountParts);
riceParamPart128 = vld1q_u32(riceParamParts);
riceParamPart128 = vandq_u32(riceParamPart128, riceParamMask128);
riceParamPart128 = vorrq_u32(riceParamPart128, vshlq_u32(zeroCountPart128, riceParam128));
riceParamPart128 = veorq_u32(vshrq_n_u32(riceParamPart128, 1), vaddq_u32(ma_dr_flac__vnotq_u32(vandq_u32(riceParamPart128, one128)), one128));
if (order <= 4) {
for (i = 0; i < 4; i += 1) {
prediction128 = vmulq_s32(coefficients128_0, samples128_0);
prediction64 = ma_dr_flac__vhaddq_s32(prediction128);
prediction64 = vshl_s32(prediction64, shift64);
prediction64 = vadd_s32(prediction64, vget_low_s32(vreinterpretq_s32_u32(riceParamPart128)));
samples128_0 = ma_dr_flac__valignrq_s32_1(vcombine_s32(prediction64, vdup_n_s32(0)), samples128_0);
riceParamPart128 = ma_dr_flac__valignrq_u32_1(vdupq_n_u32(0), riceParamPart128);
}
} else if (order <= 8) {
for (i = 0; i < 4; i += 1) {
prediction128 = vmulq_s32(coefficients128_4, samples128_4);
prediction128 = vmlaq_s32(prediction128, coefficients128_0, samples128_0);
prediction64 = ma_dr_flac__vhaddq_s32(prediction128);
prediction64 = vshl_s32(prediction64, shift64);
prediction64 = vadd_s32(prediction64, vget_low_s32(vreinterpretq_s32_u32(riceParamPart128)));
samples128_4 = ma_dr_flac__valignrq_s32_1(samples128_0, samples128_4);
samples128_0 = ma_dr_flac__valignrq_s32_1(vcombine_s32(prediction64, vdup_n_s32(0)), samples128_0);
riceParamPart128 = ma_dr_flac__valignrq_u32_1(vdupq_n_u32(0), riceParamPart128);
}
} else {
for (i = 0; i < 4; i += 1) {
prediction128 = vmulq_s32(coefficients128_8, samples128_8);
prediction128 = vmlaq_s32(prediction128, coefficients128_4, samples128_4);
prediction128 = vmlaq_s32(prediction128, coefficients128_0, samples128_0);
prediction64 = ma_dr_flac__vhaddq_s32(prediction128);
prediction64 = vshl_s32(prediction64, shift64);
prediction64 = vadd_s32(prediction64, vget_low_s32(vreinterpretq_s32_u32(riceParamPart128)));
samples128_8 = ma_dr_flac__valignrq_s32_1(samples128_4, samples128_8);
samples128_4 = ma_dr_flac__valignrq_s32_1(samples128_0, samples128_4);
samples128_0 = ma_dr_flac__valignrq_s32_1(vcombine_s32(prediction64, vdup_n_s32(0)), samples128_0);
riceParamPart128 = ma_dr_flac__valignrq_u32_1(vdupq_n_u32(0), riceParamPart128);
}
}
vst1q_s32(pDecodedSamples, samples128_0);
pDecodedSamples += 4;
}
i = (count & ~3);
while (i < (int)count) {
if (!ma_dr_flac__read_rice_parts_x1(bs, riceParam, &zeroCountParts[0], &riceParamParts[0])) {
return MA_FALSE;
}
riceParamParts[0] &= riceParamMask;
riceParamParts[0] |= (zeroCountParts[0] << riceParam);
riceParamParts[0] = (riceParamParts[0] >> 1) ^ t[riceParamParts[0] & 0x01];
pDecodedSamples[0] = riceParamParts[0] + ma_dr_flac__calculate_prediction_32(order, shift, coefficients, pDecodedSamples);
i += 1;
pDecodedSamples += 1;
}
return MA_TRUE;
}
static ma_bool32 ma_dr_flac__decode_samples_with_residual__rice__neon_64(ma_dr_flac_bs* bs, ma_uint32 count, ma_uint8 riceParam, ma_uint32 order, ma_int32 shift, const ma_int32* coefficients, ma_int32* pSamplesOut)
{
int i;
ma_uint32 riceParamMask;
ma_int32* pDecodedSamples = pSamplesOut;
ma_int32* pDecodedSamplesEnd = pSamplesOut + (count & ~3);
ma_uint32 zeroCountParts[4];
ma_uint32 riceParamParts[4];
int32x4_t coefficients128_0;
int32x4_t coefficients128_4;
int32x4_t coefficients128_8;
int32x4_t samples128_0;
int32x4_t samples128_4;
int32x4_t samples128_8;
uint32x4_t riceParamMask128;
int32x4_t riceParam128;
int64x1_t shift64;
uint32x4_t one128;
int64x2_t prediction128 = { 0 };
uint32x4_t zeroCountPart128;
uint32x4_t riceParamPart128;
const ma_uint32 t[2] = {0x00000000, 0xFFFFFFFF};
riceParamMask = (ma_uint32)~((~0UL) << riceParam);
riceParamMask128 = vdupq_n_u32(riceParamMask);
riceParam128 = vdupq_n_s32(riceParam);
shift64 = vdup_n_s64(-shift);
one128 = vdupq_n_u32(1);
{
int runningOrder = order;
ma_int32 tempC[4] = {0, 0, 0, 0};
ma_int32 tempS[4] = {0, 0, 0, 0};
if (runningOrder >= 4) {
coefficients128_0 = vld1q_s32(coefficients + 0);
samples128_0 = vld1q_s32(pSamplesOut - 4);
runningOrder -= 4;
} else {
switch (runningOrder) {
case 3: tempC[2] = coefficients[2]; tempS[1] = pSamplesOut[-3];
case 2: tempC[1] = coefficients[1]; tempS[2] = pSamplesOut[-2];
case 1: tempC[0] = coefficients[0]; tempS[3] = pSamplesOut[-1];
}
coefficients128_0 = vld1q_s32(tempC);
samples128_0 = vld1q_s32(tempS);
runningOrder = 0;
}
if (runningOrder >= 4) {
coefficients128_4 = vld1q_s32(coefficients + 4);
samples128_4 = vld1q_s32(pSamplesOut - 8);
runningOrder -= 4;
} else {
switch (runningOrder) {
case 3: tempC[2] = coefficients[6]; tempS[1] = pSamplesOut[-7];
case 2: tempC[1] = coefficients[5]; tempS[2] = pSamplesOut[-6];
case 1: tempC[0] = coefficients[4]; tempS[3] = pSamplesOut[-5];
}
coefficients128_4 = vld1q_s32(tempC);
samples128_4 = vld1q_s32(tempS);
runningOrder = 0;
}
if (runningOrder == 4) {
coefficients128_8 = vld1q_s32(coefficients + 8);
samples128_8 = vld1q_s32(pSamplesOut - 12);
runningOrder -= 4;
} else {
switch (runningOrder) {
case 3: tempC[2] = coefficients[10]; tempS[1] = pSamplesOut[-11];
case 2: tempC[1] = coefficients[ 9]; tempS[2] = pSamplesOut[-10];
case 1: tempC[0] = coefficients[ 8]; tempS[3] = pSamplesOut[- 9];
}
coefficients128_8 = vld1q_s32(tempC);
samples128_8 = vld1q_s32(tempS);
runningOrder = 0;
}
coefficients128_0 = ma_dr_flac__vrevq_s32(coefficients128_0);
coefficients128_4 = ma_dr_flac__vrevq_s32(coefficients128_4);
coefficients128_8 = ma_dr_flac__vrevq_s32(coefficients128_8);
}
while (pDecodedSamples < pDecodedSamplesEnd) {
if (!ma_dr_flac__read_rice_parts_x1(bs, riceParam, &zeroCountParts[0], &riceParamParts[0]) ||
!ma_dr_flac__read_rice_parts_x1(bs, riceParam, &zeroCountParts[1], &riceParamParts[1]) ||
!ma_dr_flac__read_rice_parts_x1(bs, riceParam, &zeroCountParts[2], &riceParamParts[2]) ||
!ma_dr_flac__read_rice_parts_x1(bs, riceParam, &zeroCountParts[3], &riceParamParts[3])) {
return MA_FALSE;
}
zeroCountPart128 = vld1q_u32(zeroCountParts);
riceParamPart128 = vld1q_u32(riceParamParts);
riceParamPart128 = vandq_u32(riceParamPart128, riceParamMask128);
riceParamPart128 = vorrq_u32(riceParamPart128, vshlq_u32(zeroCountPart128, riceParam128));
riceParamPart128 = veorq_u32(vshrq_n_u32(riceParamPart128, 1), vaddq_u32(ma_dr_flac__vnotq_u32(vandq_u32(riceParamPart128, one128)), one128));
for (i = 0; i < 4; i += 1) {
int64x1_t prediction64;
prediction128 = veorq_s64(prediction128, prediction128);
switch (order)
{
case 12:
case 11: prediction128 = vaddq_s64(prediction128, vmull_s32(vget_low_s32(coefficients128_8), vget_low_s32(samples128_8)));
case 10:
case 9: prediction128 = vaddq_s64(prediction128, vmull_s32(vget_high_s32(coefficients128_8), vget_high_s32(samples128_8)));
case 8:
case 7: prediction128 = vaddq_s64(prediction128, vmull_s32(vget_low_s32(coefficients128_4), vget_low_s32(samples128_4)));
case 6:
case 5: prediction128 = vaddq_s64(prediction128, vmull_s32(vget_high_s32(coefficients128_4), vget_high_s32(samples128_4)));
case 4:
case 3: prediction128 = vaddq_s64(prediction128, vmull_s32(vget_low_s32(coefficients128_0), vget_low_s32(samples128_0)));
case 2:
case 1: prediction128 = vaddq_s64(prediction128, vmull_s32(vget_high_s32(coefficients128_0), vget_high_s32(samples128_0)));
}
prediction64 = ma_dr_flac__vhaddq_s64(prediction128);
prediction64 = vshl_s64(prediction64, shift64);
prediction64 = vadd_s64(prediction64, vdup_n_s64(vgetq_lane_u32(riceParamPart128, 0)));
samples128_8 = ma_dr_flac__valignrq_s32_1(samples128_4, samples128_8);
samples128_4 = ma_dr_flac__valignrq_s32_1(samples128_0, samples128_4);
samples128_0 = ma_dr_flac__valignrq_s32_1(vcombine_s32(vreinterpret_s32_s64(prediction64), vdup_n_s32(0)), samples128_0);
riceParamPart128 = ma_dr_flac__valignrq_u32_1(vdupq_n_u32(0), riceParamPart128);
}
vst1q_s32(pDecodedSamples, samples128_0);
pDecodedSamples += 4;
}
i = (count & ~3);
while (i < (int)count) {
if (!ma_dr_flac__read_rice_parts_x1(bs, riceParam, &zeroCountParts[0], &riceParamParts[0])) {
return MA_FALSE;
}
riceParamParts[0] &= riceParamMask;
riceParamParts[0] |= (zeroCountParts[0] << riceParam);
riceParamParts[0] = (riceParamParts[0] >> 1) ^ t[riceParamParts[0] & 0x01];
pDecodedSamples[0] = riceParamParts[0] + ma_dr_flac__calculate_prediction_64(order, shift, coefficients, pDecodedSamples);
i += 1;
pDecodedSamples += 1;
}
return MA_TRUE;
}
static ma_bool32 ma_dr_flac__decode_samples_with_residual__rice__neon(ma_dr_flac_bs* bs, ma_uint32 bitsPerSample, ma_uint32 count, ma_uint8 riceParam, ma_uint32 lpcOrder, ma_int32 lpcShift, ma_uint32 lpcPrecision, const ma_int32* coefficients, ma_int32* pSamplesOut)
{
MA_DR_FLAC_ASSERT(bs != NULL);
MA_DR_FLAC_ASSERT(pSamplesOut != NULL);
if (lpcOrder > 0 && lpcOrder <= 12) {
if (ma_dr_flac__use_64_bit_prediction(bitsPerSample, lpcOrder, lpcPrecision)) {
return ma_dr_flac__decode_samples_with_residual__rice__neon_64(bs, count, riceParam, lpcOrder, lpcShift, coefficients, pSamplesOut);
} else {
return ma_dr_flac__decode_samples_with_residual__rice__neon_32(bs, count, riceParam, lpcOrder, lpcShift, coefficients, pSamplesOut);
}
} else {
return ma_dr_flac__decode_samples_with_residual__rice__scalar(bs, bitsPerSample, count, riceParam, lpcOrder, lpcShift, lpcPrecision, coefficients, pSamplesOut);
}
}
#endif
static ma_bool32 ma_dr_flac__decode_samples_with_residual__rice(ma_dr_flac_bs* bs, ma_uint32 bitsPerSample, ma_uint32 count, ma_uint8 riceParam, ma_uint32 lpcOrder, ma_int32 lpcShift, ma_uint32 lpcPrecision, const ma_int32* coefficients, ma_int32* pSamplesOut)
{
#if defined(MA_DR_FLAC_SUPPORT_SSE41)
if (ma_dr_flac__gIsSSE41Supported) {
return ma_dr_flac__decode_samples_with_residual__rice__sse41(bs, bitsPerSample, count, riceParam, lpcOrder, lpcShift, lpcPrecision, coefficients, pSamplesOut);
} else
#elif defined(MA_DR_FLAC_SUPPORT_NEON)
if (ma_dr_flac__gIsNEONSupported) {
return ma_dr_flac__decode_samples_with_residual__rice__neon(bs, bitsPerSample, count, riceParam, lpcOrder, lpcShift, lpcPrecision, coefficients, pSamplesOut);
} else
#endif
{
#if 0
return ma_dr_flac__decode_samples_with_residual__rice__reference(bs, bitsPerSample, count, riceParam, lpcOrder, lpcShift, lpcPrecision, coefficients, pSamplesOut);
#else
return ma_dr_flac__decode_samples_with_residual__rice__scalar(bs, bitsPerSample, count, riceParam, lpcOrder, lpcShift, lpcPrecision, coefficients, pSamplesOut);
#endif
}
}
static ma_bool32 ma_dr_flac__read_and_seek_residual__rice(ma_dr_flac_bs* bs, ma_uint32 count, ma_uint8 riceParam)
{
ma_uint32 i;
MA_DR_FLAC_ASSERT(bs != NULL);
for (i = 0; i < count; ++i) {
if (!ma_dr_flac__seek_rice_parts(bs, riceParam)) {
return MA_FALSE;
}
}
return MA_TRUE;
}
#if defined(__clang__)
__attribute__((no_sanitize("signed-integer-overflow")))
#endif
static ma_bool32 ma_dr_flac__decode_samples_with_residual__unencoded(ma_dr_flac_bs* bs, ma_uint32 bitsPerSample, ma_uint32 count, ma_uint8 unencodedBitsPerSample, ma_uint32 lpcOrder, ma_int32 lpcShift, ma_uint32 lpcPrecision, const ma_int32* coefficients, ma_int32* pSamplesOut)
{
ma_uint32 i;
MA_DR_FLAC_ASSERT(bs != NULL);
MA_DR_FLAC_ASSERT(unencodedBitsPerSample <= 31);
MA_DR_FLAC_ASSERT(pSamplesOut != NULL);
for (i = 0; i < count; ++i) {
if (unencodedBitsPerSample > 0) {
if (!ma_dr_flac__read_int32(bs, unencodedBitsPerSample, pSamplesOut + i)) {
return MA_FALSE;
}
} else {
pSamplesOut[i] = 0;
}
if (ma_dr_flac__use_64_bit_prediction(bitsPerSample, lpcOrder, lpcPrecision)) {
pSamplesOut[i] += ma_dr_flac__calculate_prediction_64(lpcOrder, lpcShift, coefficients, pSamplesOut + i);
} else {
pSamplesOut[i] += ma_dr_flac__calculate_prediction_32(lpcOrder, lpcShift, coefficients, pSamplesOut + i);
}
}
return MA_TRUE;
}
static ma_bool32 ma_dr_flac__decode_samples_with_residual(ma_dr_flac_bs* bs, ma_uint32 bitsPerSample, ma_uint32 blockSize, ma_uint32 lpcOrder, ma_int32 lpcShift, ma_uint32 lpcPrecision, const ma_int32* coefficients, ma_int32* pDecodedSamples)
{
ma_uint8 residualMethod;
ma_uint8 partitionOrder;
ma_uint32 samplesInPartition;
ma_uint32 partitionsRemaining;
MA_DR_FLAC_ASSERT(bs != NULL);
MA_DR_FLAC_ASSERT(blockSize != 0);
MA_DR_FLAC_ASSERT(pDecodedSamples != NULL);
if (!ma_dr_flac__read_uint8(bs, 2, &residualMethod)) {
return MA_FALSE;
}
if (residualMethod != MA_DR_FLAC_RESIDUAL_CODING_METHOD_PARTITIONED_RICE && residualMethod != MA_DR_FLAC_RESIDUAL_CODING_METHOD_PARTITIONED_RICE2) {
return MA_FALSE;
}
pDecodedSamples += lpcOrder;
if (!ma_dr_flac__read_uint8(bs, 4, &partitionOrder)) {
return MA_FALSE;
}
if (partitionOrder > 8) {
return MA_FALSE;
}
if ((blockSize / (1 << partitionOrder)) < lpcOrder) {
return MA_FALSE;
}
samplesInPartition = (blockSize / (1 << partitionOrder)) - lpcOrder;
partitionsRemaining = (1 << partitionOrder);
for (;;) {
ma_uint8 riceParam = 0;
if (residualMethod == MA_DR_FLAC_RESIDUAL_CODING_METHOD_PARTITIONED_RICE) {
if (!ma_dr_flac__read_uint8(bs, 4, &riceParam)) {
return MA_FALSE;
}
if (riceParam == 15) {
riceParam = 0xFF;
}
} else if (residualMethod == MA_DR_FLAC_RESIDUAL_CODING_METHOD_PARTITIONED_RICE2) {
if (!ma_dr_flac__read_uint8(bs, 5, &riceParam)) {
return MA_FALSE;
}
if (riceParam == 31) {
riceParam = 0xFF;
}
}
if (riceParam != 0xFF) {
if (!ma_dr_flac__decode_samples_with_residual__rice(bs, bitsPerSample, samplesInPartition, riceParam, lpcOrder, lpcShift, lpcPrecision, coefficients, pDecodedSamples)) {
return MA_FALSE;
}
} else {
ma_uint8 unencodedBitsPerSample = 0;
if (!ma_dr_flac__read_uint8(bs, 5, &unencodedBitsPerSample)) {
return MA_FALSE;
}
if (!ma_dr_flac__decode_samples_with_residual__unencoded(bs, bitsPerSample, samplesInPartition, unencodedBitsPerSample, lpcOrder, lpcShift, lpcPrecision, coefficients, pDecodedSamples)) {
return MA_FALSE;
}
}
pDecodedSamples += samplesInPartition;
if (partitionsRemaining == 1) {
break;
}
partitionsRemaining -= 1;
if (partitionOrder != 0) {
samplesInPartition = blockSize / (1 << partitionOrder);
}
}
return MA_TRUE;
}
static ma_bool32 ma_dr_flac__read_and_seek_residual(ma_dr_flac_bs* bs, ma_uint32 blockSize, ma_uint32 order)
{
ma_uint8 residualMethod;
ma_uint8 partitionOrder;
ma_uint32 samplesInPartition;
ma_uint32 partitionsRemaining;
MA_DR_FLAC_ASSERT(bs != NULL);
MA_DR_FLAC_ASSERT(blockSize != 0);
if (!ma_dr_flac__read_uint8(bs, 2, &residualMethod)) {
return MA_FALSE;
}
if (residualMethod != MA_DR_FLAC_RESIDUAL_CODING_METHOD_PARTITIONED_RICE && residualMethod != MA_DR_FLAC_RESIDUAL_CODING_METHOD_PARTITIONED_RICE2) {
return MA_FALSE;
}
if (!ma_dr_flac__read_uint8(bs, 4, &partitionOrder)) {
return MA_FALSE;
}
if (partitionOrder > 8) {
return MA_FALSE;
}
if ((blockSize / (1 << partitionOrder)) <= order) {
return MA_FALSE;
}
samplesInPartition = (blockSize / (1 << partitionOrder)) - order;
partitionsRemaining = (1 << partitionOrder);
for (;;)
{
ma_uint8 riceParam = 0;
if (residualMethod == MA_DR_FLAC_RESIDUAL_CODING_METHOD_PARTITIONED_RICE) {
if (!ma_dr_flac__read_uint8(bs, 4, &riceParam)) {
return MA_FALSE;
}
if (riceParam == 15) {
riceParam = 0xFF;
}
} else if (residualMethod == MA_DR_FLAC_RESIDUAL_CODING_METHOD_PARTITIONED_RICE2) {
if (!ma_dr_flac__read_uint8(bs, 5, &riceParam)) {
return MA_FALSE;
}
if (riceParam == 31) {
riceParam = 0xFF;
}
}
if (riceParam != 0xFF) {
if (!ma_dr_flac__read_and_seek_residual__rice(bs, samplesInPartition, riceParam)) {
return MA_FALSE;
}
} else {
ma_uint8 unencodedBitsPerSample = 0;
if (!ma_dr_flac__read_uint8(bs, 5, &unencodedBitsPerSample)) {
return MA_FALSE;
}
if (!ma_dr_flac__seek_bits(bs, unencodedBitsPerSample * samplesInPartition)) {
return MA_FALSE;
}
}
if (partitionsRemaining == 1) {
break;
}
partitionsRemaining -= 1;
samplesInPartition = blockSize / (1 << partitionOrder);
}
return MA_TRUE;
}
static ma_bool32 ma_dr_flac__decode_samples__constant(ma_dr_flac_bs* bs, ma_uint32 blockSize, ma_uint32 subframeBitsPerSample, ma_int32* pDecodedSamples)
{
ma_uint32 i;
ma_int32 sample;
if (!ma_dr_flac__read_int32(bs, subframeBitsPerSample, &sample)) {
return MA_FALSE;
}
for (i = 0; i < blockSize; ++i) {
pDecodedSamples[i] = sample;
}
return MA_TRUE;
}
static ma_bool32 ma_dr_flac__decode_samples__verbatim(ma_dr_flac_bs* bs, ma_uint32 blockSize, ma_uint32 subframeBitsPerSample, ma_int32* pDecodedSamples)
{
ma_uint32 i;
for (i = 0; i < blockSize; ++i) {
ma_int32 sample;
if (!ma_dr_flac__read_int32(bs, subframeBitsPerSample, &sample)) {
return MA_FALSE;
}
pDecodedSamples[i] = sample;
}
return MA_TRUE;
}
static ma_bool32 ma_dr_flac__decode_samples__fixed(ma_dr_flac_bs* bs, ma_uint32 blockSize, ma_uint32 subframeBitsPerSample, ma_uint8 lpcOrder, ma_int32* pDecodedSamples)
{
ma_uint32 i;
static ma_int32 lpcCoefficientsTable[5][4] = {
{0, 0, 0, 0},
{1, 0, 0, 0},
{2, -1, 0, 0},
{3, -3, 1, 0},
{4, -6, 4, -1}
};
for (i = 0; i < lpcOrder; ++i) {
ma_int32 sample;
if (!ma_dr_flac__read_int32(bs, subframeBitsPerSample, &sample)) {
return MA_FALSE;
}
pDecodedSamples[i] = sample;
}
if (!ma_dr_flac__decode_samples_with_residual(bs, subframeBitsPerSample, blockSize, lpcOrder, 0, 4, lpcCoefficientsTable[lpcOrder], pDecodedSamples)) {
return MA_FALSE;
}
return MA_TRUE;
}
static ma_bool32 ma_dr_flac__decode_samples__lpc(ma_dr_flac_bs* bs, ma_uint32 blockSize, ma_uint32 bitsPerSample, ma_uint8 lpcOrder, ma_int32* pDecodedSamples)
{
ma_uint8 i;
ma_uint8 lpcPrecision;
ma_int8 lpcShift;
ma_int32 coefficients[32];
for (i = 0; i < lpcOrder; ++i) {
ma_int32 sample;
if (!ma_dr_flac__read_int32(bs, bitsPerSample, &sample)) {
return MA_FALSE;
}
pDecodedSamples[i] = sample;
}
if (!ma_dr_flac__read_uint8(bs, 4, &lpcPrecision)) {
return MA_FALSE;
}
if (lpcPrecision == 15) {
return MA_FALSE;
}
lpcPrecision += 1;
if (!ma_dr_flac__read_int8(bs, 5, &lpcShift)) {
return MA_FALSE;
}
if (lpcShift < 0) {
return MA_FALSE;
}
MA_DR_FLAC_ZERO_MEMORY(coefficients, sizeof(coefficients));
for (i = 0; i < lpcOrder; ++i) {
if (!ma_dr_flac__read_int32(bs, lpcPrecision, coefficients + i)) {
return MA_FALSE;
}
}
if (!ma_dr_flac__decode_samples_with_residual(bs, bitsPerSample, blockSize, lpcOrder, lpcShift, lpcPrecision, coefficients, pDecodedSamples)) {
return MA_FALSE;
}
return MA_TRUE;
}
static ma_bool32 ma_dr_flac__read_next_flac_frame_header(ma_dr_flac_bs* bs, ma_uint8 streaminfoBitsPerSample, ma_dr_flac_frame_header* header)
{
const ma_uint32 sampleRateTable[12] = {0, 88200, 176400, 192000, 8000, 16000, 22050, 24000, 32000, 44100, 48000, 96000};
const ma_uint8 bitsPerSampleTable[8] = {0, 8, 12, (ma_uint8)-1, 16, 20, 24, (ma_uint8)-1};
MA_DR_FLAC_ASSERT(bs != NULL);
MA_DR_FLAC_ASSERT(header != NULL);
for (;;) {
ma_uint8 crc8 = 0xCE;
ma_uint8 reserved = 0;
ma_uint8 blockingStrategy = 0;
ma_uint8 blockSize = 0;
ma_uint8 sampleRate = 0;
ma_uint8 channelAssignment = 0;
ma_uint8 bitsPerSample = 0;
ma_bool32 isVariableBlockSize;
if (!ma_dr_flac__find_and_seek_to_next_sync_code(bs)) {
return MA_FALSE;
}
if (!ma_dr_flac__read_uint8(bs, 1, &reserved)) {
return MA_FALSE;
}
if (reserved == 1) {
continue;
}
crc8 = ma_dr_flac_crc8(crc8, reserved, 1);
if (!ma_dr_flac__read_uint8(bs, 1, &blockingStrategy)) {
return MA_FALSE;
}
crc8 = ma_dr_flac_crc8(crc8, blockingStrategy, 1);
if (!ma_dr_flac__read_uint8(bs, 4, &blockSize)) {
return MA_FALSE;
}
if (blockSize == 0) {
continue;
}
crc8 = ma_dr_flac_crc8(crc8, blockSize, 4);
if (!ma_dr_flac__read_uint8(bs, 4, &sampleRate)) {
return MA_FALSE;
}
crc8 = ma_dr_flac_crc8(crc8, sampleRate, 4);
if (!ma_dr_flac__read_uint8(bs, 4, &channelAssignment)) {
return MA_FALSE;
}
if (channelAssignment > 10) {
continue;
}
crc8 = ma_dr_flac_crc8(crc8, channelAssignment, 4);
if (!ma_dr_flac__read_uint8(bs, 3, &bitsPerSample)) {
return MA_FALSE;
}
if (bitsPerSample == 3 || bitsPerSample == 7) {
continue;
}
crc8 = ma_dr_flac_crc8(crc8, bitsPerSample, 3);
if (!ma_dr_flac__read_uint8(bs, 1, &reserved)) {
return MA_FALSE;
}
if (reserved == 1) {
continue;
}
crc8 = ma_dr_flac_crc8(crc8, reserved, 1);
isVariableBlockSize = blockingStrategy == 1;
if (isVariableBlockSize) {
ma_uint64 pcmFrameNumber;
ma_result result = ma_dr_flac__read_utf8_coded_number(bs, &pcmFrameNumber, &crc8);
if (result != MA_SUCCESS) {
if (result == MA_AT_END) {
return MA_FALSE;
} else {
continue;
}
}
header->flacFrameNumber = 0;
header->pcmFrameNumber = pcmFrameNumber;
} else {
ma_uint64 flacFrameNumber = 0;
ma_result result = ma_dr_flac__read_utf8_coded_number(bs, &flacFrameNumber, &crc8);
if (result != MA_SUCCESS) {
if (result == MA_AT_END) {
return MA_FALSE;
} else {
continue;
}
}
header->flacFrameNumber = (ma_uint32)flacFrameNumber;
header->pcmFrameNumber = 0;
}
MA_DR_FLAC_ASSERT(blockSize > 0);
if (blockSize == 1) {
header->blockSizeInPCMFrames = 192;
} else if (blockSize <= 5) {
MA_DR_FLAC_ASSERT(blockSize >= 2);
header->blockSizeInPCMFrames = 576 * (1 << (blockSize - 2));
} else if (blockSize == 6) {
if (!ma_dr_flac__read_uint16(bs, 8, &header->blockSizeInPCMFrames)) {
return MA_FALSE;
}
crc8 = ma_dr_flac_crc8(crc8, header->blockSizeInPCMFrames, 8);
header->blockSizeInPCMFrames += 1;
} else if (blockSize == 7) {
if (!ma_dr_flac__read_uint16(bs, 16, &header->blockSizeInPCMFrames)) {
return MA_FALSE;
}
crc8 = ma_dr_flac_crc8(crc8, header->blockSizeInPCMFrames, 16);
if (header->blockSizeInPCMFrames == 0xFFFF) {
return MA_FALSE;
}
header->blockSizeInPCMFrames += 1;
} else {
MA_DR_FLAC_ASSERT(blockSize >= 8);
header->blockSizeInPCMFrames = 256 * (1 << (blockSize - 8));
}
if (sampleRate <= 11) {
header->sampleRate = sampleRateTable[sampleRate];
} else if (sampleRate == 12) {
if (!ma_dr_flac__read_uint32(bs, 8, &header->sampleRate)) {
return MA_FALSE;
}
crc8 = ma_dr_flac_crc8(crc8, header->sampleRate, 8);
header->sampleRate *= 1000;
} else if (sampleRate == 13) {
if (!ma_dr_flac__read_uint32(bs, 16, &header->sampleRate)) {
return MA_FALSE;
}
crc8 = ma_dr_flac_crc8(crc8, header->sampleRate, 16);
} else if (sampleRate == 14) {
if (!ma_dr_flac__read_uint32(bs, 16, &header->sampleRate)) {
return MA_FALSE;
}
crc8 = ma_dr_flac_crc8(crc8, header->sampleRate, 16);
header->sampleRate *= 10;
} else {
continue;
}
header->channelAssignment = channelAssignment;
header->bitsPerSample = bitsPerSampleTable[bitsPerSample];
if (header->bitsPerSample == 0) {
header->bitsPerSample = streaminfoBitsPerSample;
}
if (header->bitsPerSample != streaminfoBitsPerSample) {
return MA_FALSE;
}
if (!ma_dr_flac__read_uint8(bs, 8, &header->crc8)) {
return MA_FALSE;
}
#ifndef MA_DR_FLAC_NO_CRC
if (header->crc8 != crc8) {
continue;
}
#endif
return MA_TRUE;
}
}
static ma_bool32 ma_dr_flac__read_subframe_header(ma_dr_flac_bs* bs, ma_dr_flac_subframe* pSubframe)
{
ma_uint8 header;
int type;
if (!ma_dr_flac__read_uint8(bs, 8, &header)) {
return MA_FALSE;
}
if ((header & 0x80) != 0) {
return MA_FALSE;
}
pSubframe->lpcOrder = 0;
type = (header & 0x7E) >> 1;
if (type == 0) {
pSubframe->subframeType = MA_DR_FLAC_SUBFRAME_CONSTANT;
} else if (type == 1) {
pSubframe->subframeType = MA_DR_FLAC_SUBFRAME_VERBATIM;
} else {
if ((type & 0x20) != 0) {
pSubframe->subframeType = MA_DR_FLAC_SUBFRAME_LPC;
pSubframe->lpcOrder = (ma_uint8)(type & 0x1F) + 1;
} else if ((type & 0x08) != 0) {
pSubframe->subframeType = MA_DR_FLAC_SUBFRAME_FIXED;
pSubframe->lpcOrder = (ma_uint8)(type & 0x07);
if (pSubframe->lpcOrder > 4) {
pSubframe->subframeType = MA_DR_FLAC_SUBFRAME_RESERVED;
pSubframe->lpcOrder = 0;
}
} else {
pSubframe->subframeType = MA_DR_FLAC_SUBFRAME_RESERVED;
}
}
if (pSubframe->subframeType == MA_DR_FLAC_SUBFRAME_RESERVED) {
return MA_FALSE;
}
pSubframe->wastedBitsPerSample = 0;
if ((header & 0x01) == 1) {
unsigned int wastedBitsPerSample;
if (!ma_dr_flac__seek_past_next_set_bit(bs, &wastedBitsPerSample)) {
return MA_FALSE;
}
pSubframe->wastedBitsPerSample = (ma_uint8)wastedBitsPerSample + 1;
}
return MA_TRUE;
}
static ma_bool32 ma_dr_flac__decode_subframe(ma_dr_flac_bs* bs, ma_dr_flac_frame* frame, int subframeIndex, ma_int32* pDecodedSamplesOut)
{
ma_dr_flac_subframe* pSubframe;
ma_uint32 subframeBitsPerSample;
MA_DR_FLAC_ASSERT(bs != NULL);
MA_DR_FLAC_ASSERT(frame != NULL);
pSubframe = frame->subframes + subframeIndex;
if (!ma_dr_flac__read_subframe_header(bs, pSubframe)) {
return MA_FALSE;
}
subframeBitsPerSample = frame->header.bitsPerSample;
if ((frame->header.channelAssignment == MA_DR_FLAC_CHANNEL_ASSIGNMENT_LEFT_SIDE || frame->header.channelAssignment == MA_DR_FLAC_CHANNEL_ASSIGNMENT_MID_SIDE) && subframeIndex == 1) {
subframeBitsPerSample += 1;
} else if (frame->header.channelAssignment == MA_DR_FLAC_CHANNEL_ASSIGNMENT_RIGHT_SIDE && subframeIndex == 0) {
subframeBitsPerSample += 1;
}
if (subframeBitsPerSample > 32) {
return MA_FALSE;
}
if (pSubframe->wastedBitsPerSample >= subframeBitsPerSample) {
return MA_FALSE;
}
subframeBitsPerSample -= pSubframe->wastedBitsPerSample;
pSubframe->pSamplesS32 = pDecodedSamplesOut;
if (frame->header.blockSizeInPCMFrames < pSubframe->lpcOrder) {
return MA_FALSE;
}
switch (pSubframe->subframeType)
{
case MA_DR_FLAC_SUBFRAME_CONSTANT:
{
ma_dr_flac__decode_samples__constant(bs, frame->header.blockSizeInPCMFrames, subframeBitsPerSample, pSubframe->pSamplesS32);
} break;
case MA_DR_FLAC_SUBFRAME_VERBATIM:
{
ma_dr_flac__decode_samples__verbatim(bs, frame->header.blockSizeInPCMFrames, subframeBitsPerSample, pSubframe->pSamplesS32);
} break;
case MA_DR_FLAC_SUBFRAME_FIXED:
{
ma_dr_flac__decode_samples__fixed(bs, frame->header.blockSizeInPCMFrames, subframeBitsPerSample, pSubframe->lpcOrder, pSubframe->pSamplesS32);
} break;
case MA_DR_FLAC_SUBFRAME_LPC:
{
ma_dr_flac__decode_samples__lpc(bs, frame->header.blockSizeInPCMFrames, subframeBitsPerSample, pSubframe->lpcOrder, pSubframe->pSamplesS32);
} break;
default: return MA_FALSE;
}
return MA_TRUE;
}
static ma_bool32 ma_dr_flac__seek_subframe(ma_dr_flac_bs* bs, ma_dr_flac_frame* frame, int subframeIndex)
{
ma_dr_flac_subframe* pSubframe;
ma_uint32 subframeBitsPerSample;
MA_DR_FLAC_ASSERT(bs != NULL);
MA_DR_FLAC_ASSERT(frame != NULL);
pSubframe = frame->subframes + subframeIndex;
if (!ma_dr_flac__read_subframe_header(bs, pSubframe)) {
return MA_FALSE;
}
subframeBitsPerSample = frame->header.bitsPerSample;
if ((frame->header.channelAssignment == MA_DR_FLAC_CHANNEL_ASSIGNMENT_LEFT_SIDE || frame->header.channelAssignment == MA_DR_FLAC_CHANNEL_ASSIGNMENT_MID_SIDE) && subframeIndex == 1) {
subframeBitsPerSample += 1;
} else if (frame->header.channelAssignment == MA_DR_FLAC_CHANNEL_ASSIGNMENT_RIGHT_SIDE && subframeIndex == 0) {
subframeBitsPerSample += 1;
}
if (pSubframe->wastedBitsPerSample >= subframeBitsPerSample) {
return MA_FALSE;
}
subframeBitsPerSample -= pSubframe->wastedBitsPerSample;
pSubframe->pSamplesS32 = NULL;
switch (pSubframe->subframeType)
{
case MA_DR_FLAC_SUBFRAME_CONSTANT:
{
if (!ma_dr_flac__seek_bits(bs, subframeBitsPerSample)) {
return MA_FALSE;
}
} break;
case MA_DR_FLAC_SUBFRAME_VERBATIM:
{
unsigned int bitsToSeek = frame->header.blockSizeInPCMFrames * subframeBitsPerSample;
if (!ma_dr_flac__seek_bits(bs, bitsToSeek)) {
return MA_FALSE;
}
} break;
case MA_DR_FLAC_SUBFRAME_FIXED:
{
unsigned int bitsToSeek = pSubframe->lpcOrder * subframeBitsPerSample;
if (!ma_dr_flac__seek_bits(bs, bitsToSeek)) {
return MA_FALSE;
}
if (!ma_dr_flac__read_and_seek_residual(bs, frame->header.blockSizeInPCMFrames, pSubframe->lpcOrder)) {
return MA_FALSE;
}
} break;
case MA_DR_FLAC_SUBFRAME_LPC:
{
ma_uint8 lpcPrecision;
unsigned int bitsToSeek = pSubframe->lpcOrder * subframeBitsPerSample;
if (!ma_dr_flac__seek_bits(bs, bitsToSeek)) {
return MA_FALSE;
}
if (!ma_dr_flac__read_uint8(bs, 4, &lpcPrecision)) {
return MA_FALSE;
}
if (lpcPrecision == 15) {
return MA_FALSE;
}
lpcPrecision += 1;
bitsToSeek = (pSubframe->lpcOrder * lpcPrecision) + 5;
if (!ma_dr_flac__seek_bits(bs, bitsToSeek)) {
return MA_FALSE;
}
if (!ma_dr_flac__read_and_seek_residual(bs, frame->header.blockSizeInPCMFrames, pSubframe->lpcOrder)) {
return MA_FALSE;
}
} break;
default: return MA_FALSE;
}
return MA_TRUE;
}
static MA_INLINE ma_uint8 ma_dr_flac__get_channel_count_from_channel_assignment(ma_int8 channelAssignment)
{
ma_uint8 lookup[] = {1, 2, 3, 4, 5, 6, 7, 8, 2, 2, 2};
MA_DR_FLAC_ASSERT(channelAssignment <= 10);
return lookup[channelAssignment];
}
static ma_result ma_dr_flac__decode_flac_frame(ma_dr_flac* pFlac)
{
int channelCount;
int i;
ma_uint8 paddingSizeInBits;
ma_uint16 desiredCRC16;
#ifndef MA_DR_FLAC_NO_CRC
ma_uint16 actualCRC16;
#endif
MA_DR_FLAC_ZERO_MEMORY(pFlac->currentFLACFrame.subframes, sizeof(pFlac->currentFLACFrame.subframes));
if (pFlac->currentFLACFrame.header.blockSizeInPCMFrames > pFlac->maxBlockSizeInPCMFrames) {
return MA_ERROR;
}
channelCount = ma_dr_flac__get_channel_count_from_channel_assignment(pFlac->currentFLACFrame.header.channelAssignment);
if (channelCount != (int)pFlac->channels) {
return MA_ERROR;
}
for (i = 0; i < channelCount; ++i) {
if (!ma_dr_flac__decode_subframe(&pFlac->bs, &pFlac->currentFLACFrame, i, pFlac->pDecodedSamples + (pFlac->currentFLACFrame.header.blockSizeInPCMFrames * i))) {
return MA_ERROR;
}
}
paddingSizeInBits = (ma_uint8)(MA_DR_FLAC_CACHE_L1_BITS_REMAINING(&pFlac->bs) & 7);
if (paddingSizeInBits > 0) {
ma_uint8 padding = 0;
if (!ma_dr_flac__read_uint8(&pFlac->bs, paddingSizeInBits, &padding)) {
return MA_AT_END;
}
}
#ifndef MA_DR_FLAC_NO_CRC
actualCRC16 = ma_dr_flac__flush_crc16(&pFlac->bs);
#endif
if (!ma_dr_flac__read_uint16(&pFlac->bs, 16, &desiredCRC16)) {
return MA_AT_END;
}
#ifndef MA_DR_FLAC_NO_CRC
if (actualCRC16 != desiredCRC16) {
return MA_CRC_MISMATCH;
}
#endif
pFlac->currentFLACFrame.pcmFramesRemaining = pFlac->currentFLACFrame.header.blockSizeInPCMFrames;
return MA_SUCCESS;
}
static ma_result ma_dr_flac__seek_flac_frame(ma_dr_flac* pFlac)
{
int channelCount;
int i;
ma_uint16 desiredCRC16;
#ifndef MA_DR_FLAC_NO_CRC
ma_uint16 actualCRC16;
#endif
channelCount = ma_dr_flac__get_channel_count_from_channel_assignment(pFlac->currentFLACFrame.header.channelAssignment);
for (i = 0; i < channelCount; ++i) {
if (!ma_dr_flac__seek_subframe(&pFlac->bs, &pFlac->currentFLACFrame, i)) {
return MA_ERROR;
}
}
if (!ma_dr_flac__seek_bits(&pFlac->bs, MA_DR_FLAC_CACHE_L1_BITS_REMAINING(&pFlac->bs) & 7)) {
return MA_ERROR;
}
#ifndef MA_DR_FLAC_NO_CRC
actualCRC16 = ma_dr_flac__flush_crc16(&pFlac->bs);
#endif
if (!ma_dr_flac__read_uint16(&pFlac->bs, 16, &desiredCRC16)) {
return MA_AT_END;
}
#ifndef MA_DR_FLAC_NO_CRC
if (actualCRC16 != desiredCRC16) {
return MA_CRC_MISMATCH;
}
#endif
return MA_SUCCESS;
}
static ma_bool32 ma_dr_flac__read_and_decode_next_flac_frame(ma_dr_flac* pFlac)
{
MA_DR_FLAC_ASSERT(pFlac != NULL);
for (;;) {
ma_result result;
if (!ma_dr_flac__read_next_flac_frame_header(&pFlac->bs, pFlac->bitsPerSample, &pFlac->currentFLACFrame.header)) {
return MA_FALSE;
}
result = ma_dr_flac__decode_flac_frame(pFlac);
if (result != MA_SUCCESS) {
if (result == MA_CRC_MISMATCH) {
continue;
} else {
return MA_FALSE;
}
}
return MA_TRUE;
}
}
static void ma_dr_flac__get_pcm_frame_range_of_current_flac_frame(ma_dr_flac* pFlac, ma_uint64* pFirstPCMFrame, ma_uint64* pLastPCMFrame)
{
ma_uint64 firstPCMFrame;
ma_uint64 lastPCMFrame;
MA_DR_FLAC_ASSERT(pFlac != NULL);
firstPCMFrame = pFlac->currentFLACFrame.header.pcmFrameNumber;
if (firstPCMFrame == 0) {
firstPCMFrame = ((ma_uint64)pFlac->currentFLACFrame.header.flacFrameNumber) * pFlac->maxBlockSizeInPCMFrames;
}
lastPCMFrame = firstPCMFrame + pFlac->currentFLACFrame.header.blockSizeInPCMFrames;
if (lastPCMFrame > 0) {
lastPCMFrame -= 1;
}
if (pFirstPCMFrame) {
*pFirstPCMFrame = firstPCMFrame;
}
if (pLastPCMFrame) {
*pLastPCMFrame = lastPCMFrame;
}
}
static ma_bool32 ma_dr_flac__seek_to_first_frame(ma_dr_flac* pFlac)
{
ma_bool32 result;
MA_DR_FLAC_ASSERT(pFlac != NULL);
result = ma_dr_flac__seek_to_byte(&pFlac->bs, pFlac->firstFLACFramePosInBytes);
MA_DR_FLAC_ZERO_MEMORY(&pFlac->currentFLACFrame, sizeof(pFlac->currentFLACFrame));
pFlac->currentPCMFrame = 0;
return result;
}
static MA_INLINE ma_result ma_dr_flac__seek_to_next_flac_frame(ma_dr_flac* pFlac)
{
MA_DR_FLAC_ASSERT(pFlac != NULL);
return ma_dr_flac__seek_flac_frame(pFlac);
}
static ma_uint64 ma_dr_flac__seek_forward_by_pcm_frames(ma_dr_flac* pFlac, ma_uint64 pcmFramesToSeek)
{
ma_uint64 pcmFramesRead = 0;
while (pcmFramesToSeek > 0) {
if (pFlac->currentFLACFrame.pcmFramesRemaining == 0) {
if (!ma_dr_flac__read_and_decode_next_flac_frame(pFlac)) {
break;
}
} else {
if (pFlac->currentFLACFrame.pcmFramesRemaining > pcmFramesToSeek) {
pcmFramesRead += pcmFramesToSeek;
pFlac->currentFLACFrame.pcmFramesRemaining -= (ma_uint32)pcmFramesToSeek;
pcmFramesToSeek = 0;
} else {
pcmFramesRead += pFlac->currentFLACFrame.pcmFramesRemaining;
pcmFramesToSeek -= pFlac->currentFLACFrame.pcmFramesRemaining;
pFlac->currentFLACFrame.pcmFramesRemaining = 0;
}
}
}
pFlac->currentPCMFrame += pcmFramesRead;
return pcmFramesRead;
}
static ma_bool32 ma_dr_flac__seek_to_pcm_frame__brute_force(ma_dr_flac* pFlac, ma_uint64 pcmFrameIndex)
{
ma_bool32 isMidFrame = MA_FALSE;
ma_uint64 runningPCMFrameCount;
MA_DR_FLAC_ASSERT(pFlac != NULL);
if (pcmFrameIndex >= pFlac->currentPCMFrame) {
runningPCMFrameCount = pFlac->currentPCMFrame;
if (pFlac->currentPCMFrame == 0 && pFlac->currentFLACFrame.pcmFramesRemaining == 0) {
if (!ma_dr_flac__read_next_flac_frame_header(&pFlac->bs, pFlac->bitsPerSample, &pFlac->currentFLACFrame.header)) {
return MA_FALSE;
}
} else {
isMidFrame = MA_TRUE;
}
} else {
runningPCMFrameCount = 0;
if (!ma_dr_flac__seek_to_first_frame(pFlac)) {
return MA_FALSE;
}
if (!ma_dr_flac__read_next_flac_frame_header(&pFlac->bs, pFlac->bitsPerSample, &pFlac->currentFLACFrame.header)) {
return MA_FALSE;
}
}
for (;;) {
ma_uint64 pcmFrameCountInThisFLACFrame;
ma_uint64 firstPCMFrameInFLACFrame = 0;
ma_uint64 lastPCMFrameInFLACFrame = 0;
ma_dr_flac__get_pcm_frame_range_of_current_flac_frame(pFlac, &firstPCMFrameInFLACFrame, &lastPCMFrameInFLACFrame);
pcmFrameCountInThisFLACFrame = (lastPCMFrameInFLACFrame - firstPCMFrameInFLACFrame) + 1;
if (pcmFrameIndex < (runningPCMFrameCount + pcmFrameCountInThisFLACFrame)) {
ma_uint64 pcmFramesToDecode = pcmFrameIndex - runningPCMFrameCount;
if (!isMidFrame) {
ma_result result = ma_dr_flac__decode_flac_frame(pFlac);
if (result == MA_SUCCESS) {
return ma_dr_flac__seek_forward_by_pcm_frames(pFlac, pcmFramesToDecode) == pcmFramesToDecode;
} else {
if (result == MA_CRC_MISMATCH) {
goto next_iteration;
} else {
return MA_FALSE;
}
}
} else {
return ma_dr_flac__seek_forward_by_pcm_frames(pFlac, pcmFramesToDecode) == pcmFramesToDecode;
}
} else {
if (!isMidFrame) {
ma_result result = ma_dr_flac__seek_to_next_flac_frame(pFlac);
if (result == MA_SUCCESS) {
runningPCMFrameCount += pcmFrameCountInThisFLACFrame;
} else {
if (result == MA_CRC_MISMATCH) {
goto next_iteration;
} else {
return MA_FALSE;
}
}
} else {
runningPCMFrameCount += pFlac->currentFLACFrame.pcmFramesRemaining;
pFlac->currentFLACFrame.pcmFramesRemaining = 0;
isMidFrame = MA_FALSE;
}
if (pcmFrameIndex == pFlac->totalPCMFrameCount && runningPCMFrameCount == pFlac->totalPCMFrameCount) {
return MA_TRUE;
}
}
next_iteration:
if (!ma_dr_flac__read_next_flac_frame_header(&pFlac->bs, pFlac->bitsPerSample, &pFlac->currentFLACFrame.header)) {
return MA_FALSE;
}
}
}
#if !defined(MA_DR_FLAC_NO_CRC)
#define MA_DR_FLAC_BINARY_SEARCH_APPROX_COMPRESSION_RATIO 0.6f
static ma_bool32 ma_dr_flac__seek_to_approximate_flac_frame_to_byte(ma_dr_flac* pFlac, ma_uint64 targetByte, ma_uint64 rangeLo, ma_uint64 rangeHi, ma_uint64* pLastSuccessfulSeekOffset)
{
MA_DR_FLAC_ASSERT(pFlac != NULL);
MA_DR_FLAC_ASSERT(pLastSuccessfulSeekOffset != NULL);
MA_DR_FLAC_ASSERT(targetByte >= rangeLo);
MA_DR_FLAC_ASSERT(targetByte <= rangeHi);
*pLastSuccessfulSeekOffset = pFlac->firstFLACFramePosInBytes;
for (;;) {
ma_uint64 lastTargetByte = targetByte;
if (!ma_dr_flac__seek_to_byte(&pFlac->bs, targetByte)) {
if (targetByte == 0) {
ma_dr_flac__seek_to_first_frame(pFlac);
return MA_FALSE;
}
targetByte = rangeLo + ((rangeHi - rangeLo)/2);
rangeHi = targetByte;
} else {
MA_DR_FLAC_ZERO_MEMORY(&pFlac->currentFLACFrame, sizeof(pFlac->currentFLACFrame));
#if 1
if (!ma_dr_flac__read_and_decode_next_flac_frame(pFlac)) {
targetByte = rangeLo + ((rangeHi - rangeLo)/2);
rangeHi = targetByte;
} else {
break;
}
#else
if (!ma_dr_flac__read_next_flac_frame_header(&pFlac->bs, pFlac->bitsPerSample, &pFlac->currentFLACFrame.header)) {
targetByte = rangeLo + ((rangeHi - rangeLo)/2);
rangeHi = targetByte;
} else {
break;
}
#endif
}
if(targetByte == lastTargetByte) {
return MA_FALSE;
}
}
ma_dr_flac__get_pcm_frame_range_of_current_flac_frame(pFlac, &pFlac->currentPCMFrame, NULL);
MA_DR_FLAC_ASSERT(targetByte <= rangeHi);
*pLastSuccessfulSeekOffset = targetByte;
return MA_TRUE;
}
static ma_bool32 ma_dr_flac__decode_flac_frame_and_seek_forward_by_pcm_frames(ma_dr_flac* pFlac, ma_uint64 offset)
{
#if 0
if (ma_dr_flac__decode_flac_frame(pFlac) != MA_SUCCESS) {
if (ma_dr_flac__read_and_decode_next_flac_frame(pFlac) == MA_FALSE) {
return MA_FALSE;
}
}
#endif
return ma_dr_flac__seek_forward_by_pcm_frames(pFlac, offset) == offset;
}
static ma_bool32 ma_dr_flac__seek_to_pcm_frame__binary_search_internal(ma_dr_flac* pFlac, ma_uint64 pcmFrameIndex, ma_uint64 byteRangeLo, ma_uint64 byteRangeHi)
{
ma_uint64 targetByte;
ma_uint64 pcmRangeLo = pFlac->totalPCMFrameCount;
ma_uint64 pcmRangeHi = 0;
ma_uint64 lastSuccessfulSeekOffset = (ma_uint64)-1;
ma_uint64 closestSeekOffsetBeforeTargetPCMFrame = byteRangeLo;
ma_uint32 seekForwardThreshold = (pFlac->maxBlockSizeInPCMFrames != 0) ? pFlac->maxBlockSizeInPCMFrames*2 : 4096;
targetByte = byteRangeLo + (ma_uint64)(((ma_int64)((pcmFrameIndex - pFlac->currentPCMFrame) * pFlac->channels * pFlac->bitsPerSample)/8.0f) * MA_DR_FLAC_BINARY_SEARCH_APPROX_COMPRESSION_RATIO);
if (targetByte > byteRangeHi) {
targetByte = byteRangeHi;
}
for (;;) {
if (ma_dr_flac__seek_to_approximate_flac_frame_to_byte(pFlac, targetByte, byteRangeLo, byteRangeHi, &lastSuccessfulSeekOffset)) {
ma_uint64 newPCMRangeLo;
ma_uint64 newPCMRangeHi;
ma_dr_flac__get_pcm_frame_range_of_current_flac_frame(pFlac, &newPCMRangeLo, &newPCMRangeHi);
if (pcmRangeLo == newPCMRangeLo) {
if (!ma_dr_flac__seek_to_approximate_flac_frame_to_byte(pFlac, closestSeekOffsetBeforeTargetPCMFrame, closestSeekOffsetBeforeTargetPCMFrame, byteRangeHi, &lastSuccessfulSeekOffset)) {
break;
}
if (ma_dr_flac__decode_flac_frame_and_seek_forward_by_pcm_frames(pFlac, pcmFrameIndex - pFlac->currentPCMFrame)) {
return MA_TRUE;
} else {
break;
}
}
pcmRangeLo = newPCMRangeLo;
pcmRangeHi = newPCMRangeHi;
if (pcmRangeLo <= pcmFrameIndex && pcmRangeHi >= pcmFrameIndex) {
if (ma_dr_flac__decode_flac_frame_and_seek_forward_by_pcm_frames(pFlac, pcmFrameIndex - pFlac->currentPCMFrame) ) {
return MA_TRUE;
} else {
break;
}
} else {
const float approxCompressionRatio = (ma_int64)(lastSuccessfulSeekOffset - pFlac->firstFLACFramePosInBytes) / ((ma_int64)(pcmRangeLo * pFlac->channels * pFlac->bitsPerSample)/8.0f);
if (pcmRangeLo > pcmFrameIndex) {
byteRangeHi = lastSuccessfulSeekOffset;
if (byteRangeLo > byteRangeHi) {
byteRangeLo = byteRangeHi;
}
targetByte = byteRangeLo + ((byteRangeHi - byteRangeLo) / 2);
if (targetByte < byteRangeLo) {
targetByte = byteRangeLo;
}
} else {
if ((pcmFrameIndex - pcmRangeLo) < seekForwardThreshold) {
if (ma_dr_flac__decode_flac_frame_and_seek_forward_by_pcm_frames(pFlac, pcmFrameIndex - pFlac->currentPCMFrame)) {
return MA_TRUE;
} else {
break;
}
} else {
byteRangeLo = lastSuccessfulSeekOffset;
if (byteRangeHi < byteRangeLo) {
byteRangeHi = byteRangeLo;
}
targetByte = lastSuccessfulSeekOffset + (ma_uint64)(((ma_int64)((pcmFrameIndex-pcmRangeLo) * pFlac->channels * pFlac->bitsPerSample)/8.0f) * approxCompressionRatio);
if (targetByte > byteRangeHi) {
targetByte = byteRangeHi;
}
if (closestSeekOffsetBeforeTargetPCMFrame < lastSuccessfulSeekOffset) {
closestSeekOffsetBeforeTargetPCMFrame = lastSuccessfulSeekOffset;
}
}
}
}
} else {
break;
}
}
ma_dr_flac__seek_to_first_frame(pFlac);
return MA_FALSE;
}
static ma_bool32 ma_dr_flac__seek_to_pcm_frame__binary_search(ma_dr_flac* pFlac, ma_uint64 pcmFrameIndex)
{
ma_uint64 byteRangeLo;
ma_uint64 byteRangeHi;
ma_uint32 seekForwardThreshold = (pFlac->maxBlockSizeInPCMFrames != 0) ? pFlac->maxBlockSizeInPCMFrames*2 : 4096;
if (ma_dr_flac__seek_to_first_frame(pFlac) == MA_FALSE) {
return MA_FALSE;
}
if (pcmFrameIndex < seekForwardThreshold) {
return ma_dr_flac__seek_forward_by_pcm_frames(pFlac, pcmFrameIndex) == pcmFrameIndex;
}
byteRangeLo = pFlac->firstFLACFramePosInBytes;
byteRangeHi = pFlac->firstFLACFramePosInBytes + (ma_uint64)((ma_int64)(pFlac->totalPCMFrameCount * pFlac->channels * pFlac->bitsPerSample)/8.0f);
return ma_dr_flac__seek_to_pcm_frame__binary_search_internal(pFlac, pcmFrameIndex, byteRangeLo, byteRangeHi);
}
#endif
static ma_bool32 ma_dr_flac__seek_to_pcm_frame__seek_table(ma_dr_flac* pFlac, ma_uint64 pcmFrameIndex)
{
ma_uint32 iClosestSeekpoint = 0;
ma_bool32 isMidFrame = MA_FALSE;
ma_uint64 runningPCMFrameCount;
ma_uint32 iSeekpoint;
MA_DR_FLAC_ASSERT(pFlac != NULL);
if (pFlac->pSeekpoints == NULL || pFlac->seekpointCount == 0) {
return MA_FALSE;
}
if (pFlac->pSeekpoints[0].firstPCMFrame > pcmFrameIndex) {
return MA_FALSE;
}
for (iSeekpoint = 0; iSeekpoint < pFlac->seekpointCount; ++iSeekpoint) {
if (pFlac->pSeekpoints[iSeekpoint].firstPCMFrame >= pcmFrameIndex) {
break;
}
iClosestSeekpoint = iSeekpoint;
}
if (pFlac->pSeekpoints[iClosestSeekpoint].pcmFrameCount == 0 || pFlac->pSeekpoints[iClosestSeekpoint].pcmFrameCount > pFlac->maxBlockSizeInPCMFrames) {
return MA_FALSE;
}
if (pFlac->pSeekpoints[iClosestSeekpoint].firstPCMFrame > pFlac->totalPCMFrameCount && pFlac->totalPCMFrameCount > 0) {
return MA_FALSE;
}
#if !defined(MA_DR_FLAC_NO_CRC)
if (pFlac->totalPCMFrameCount > 0) {
ma_uint64 byteRangeLo;
ma_uint64 byteRangeHi;
byteRangeHi = pFlac->firstFLACFramePosInBytes + (ma_uint64)((ma_int64)(pFlac->totalPCMFrameCount * pFlac->channels * pFlac->bitsPerSample)/8.0f);
byteRangeLo = pFlac->firstFLACFramePosInBytes + pFlac->pSeekpoints[iClosestSeekpoint].flacFrameOffset;
if (iClosestSeekpoint < pFlac->seekpointCount-1) {
ma_uint32 iNextSeekpoint = iClosestSeekpoint + 1;
if (pFlac->pSeekpoints[iClosestSeekpoint].flacFrameOffset >= pFlac->pSeekpoints[iNextSeekpoint].flacFrameOffset || pFlac->pSeekpoints[iNextSeekpoint].pcmFrameCount == 0) {
return MA_FALSE;
}
if (pFlac->pSeekpoints[iNextSeekpoint].firstPCMFrame != (((ma_uint64)0xFFFFFFFF << 32) | 0xFFFFFFFF)) {
byteRangeHi = pFlac->firstFLACFramePosInBytes + pFlac->pSeekpoints[iNextSeekpoint].flacFrameOffset - 1;
}
}
if (ma_dr_flac__seek_to_byte(&pFlac->bs, pFlac->firstFLACFramePosInBytes + pFlac->pSeekpoints[iClosestSeekpoint].flacFrameOffset)) {
if (ma_dr_flac__read_next_flac_frame_header(&pFlac->bs, pFlac->bitsPerSample, &pFlac->currentFLACFrame.header)) {
ma_dr_flac__get_pcm_frame_range_of_current_flac_frame(pFlac, &pFlac->currentPCMFrame, NULL);
if (ma_dr_flac__seek_to_pcm_frame__binary_search_internal(pFlac, pcmFrameIndex, byteRangeLo, byteRangeHi)) {
return MA_TRUE;
}
}
}
}
#endif
if (pcmFrameIndex >= pFlac->currentPCMFrame && pFlac->pSeekpoints[iClosestSeekpoint].firstPCMFrame <= pFlac->currentPCMFrame) {
runningPCMFrameCount = pFlac->currentPCMFrame;
if (pFlac->currentPCMFrame == 0 && pFlac->currentFLACFrame.pcmFramesRemaining == 0) {
if (!ma_dr_flac__read_next_flac_frame_header(&pFlac->bs, pFlac->bitsPerSample, &pFlac->currentFLACFrame.header)) {
return MA_FALSE;
}
} else {
isMidFrame = MA_TRUE;
}
} else {
runningPCMFrameCount = pFlac->pSeekpoints[iClosestSeekpoint].firstPCMFrame;
if (!ma_dr_flac__seek_to_byte(&pFlac->bs, pFlac->firstFLACFramePosInBytes + pFlac->pSeekpoints[iClosestSeekpoint].flacFrameOffset)) {
return MA_FALSE;
}
if (!ma_dr_flac__read_next_flac_frame_header(&pFlac->bs, pFlac->bitsPerSample, &pFlac->currentFLACFrame.header)) {
return MA_FALSE;
}
}
for (;;) {
ma_uint64 pcmFrameCountInThisFLACFrame;
ma_uint64 firstPCMFrameInFLACFrame = 0;
ma_uint64 lastPCMFrameInFLACFrame = 0;
ma_dr_flac__get_pcm_frame_range_of_current_flac_frame(pFlac, &firstPCMFrameInFLACFrame, &lastPCMFrameInFLACFrame);
pcmFrameCountInThisFLACFrame = (lastPCMFrameInFLACFrame - firstPCMFrameInFLACFrame) + 1;
if (pcmFrameIndex < (runningPCMFrameCount + pcmFrameCountInThisFLACFrame)) {
ma_uint64 pcmFramesToDecode = pcmFrameIndex - runningPCMFrameCount;
if (!isMidFrame) {
ma_result result = ma_dr_flac__decode_flac_frame(pFlac);
if (result == MA_SUCCESS) {
return ma_dr_flac__seek_forward_by_pcm_frames(pFlac, pcmFramesToDecode) == pcmFramesToDecode;
} else {
if (result == MA_CRC_MISMATCH) {
goto next_iteration;
} else {
return MA_FALSE;
}
}
} else {
return ma_dr_flac__seek_forward_by_pcm_frames(pFlac, pcmFramesToDecode) == pcmFramesToDecode;
}
} else {
if (!isMidFrame) {
ma_result result = ma_dr_flac__seek_to_next_flac_frame(pFlac);
if (result == MA_SUCCESS) {
runningPCMFrameCount += pcmFrameCountInThisFLACFrame;
} else {
if (result == MA_CRC_MISMATCH) {
goto next_iteration;
} else {
return MA_FALSE;
}
}
} else {
runningPCMFrameCount += pFlac->currentFLACFrame.pcmFramesRemaining;
pFlac->currentFLACFrame.pcmFramesRemaining = 0;
isMidFrame = MA_FALSE;
}
if (pcmFrameIndex == pFlac->totalPCMFrameCount && runningPCMFrameCount == pFlac->totalPCMFrameCount) {
return MA_TRUE;
}
}
next_iteration:
if (!ma_dr_flac__read_next_flac_frame_header(&pFlac->bs, pFlac->bitsPerSample, &pFlac->currentFLACFrame.header)) {
return MA_FALSE;
}
}
}
#ifndef MA_DR_FLAC_NO_OGG
typedef struct
{
ma_uint8 capturePattern[4];
ma_uint8 structureVersion;
ma_uint8 headerType;
ma_uint64 granulePosition;
ma_uint32 serialNumber;
ma_uint32 sequenceNumber;
ma_uint32 checksum;
ma_uint8 segmentCount;
ma_uint8 segmentTable[255];
} ma_dr_flac_ogg_page_header;
#endif
typedef struct
{
ma_dr_flac_read_proc onRead;
ma_dr_flac_seek_proc onSeek;
ma_dr_flac_tell_proc onTell;
ma_dr_flac_meta_proc onMeta;
ma_dr_flac_container container;
void* pUserData;
void* pUserDataMD;
ma_uint32 sampleRate;
ma_uint8 channels;
ma_uint8 bitsPerSample;
ma_uint64 totalPCMFrameCount;
ma_uint16 maxBlockSizeInPCMFrames;
ma_uint64 runningFilePos;
ma_bool32 hasStreamInfoBlock;
ma_bool32 hasMetadataBlocks;
ma_dr_flac_bs bs;
ma_dr_flac_frame_header firstFrameHeader;
#ifndef MA_DR_FLAC_NO_OGG
ma_uint32 oggSerial;
ma_uint64 oggFirstBytePos;
ma_dr_flac_ogg_page_header oggBosHeader;
#endif
} ma_dr_flac_init_info;
static MA_INLINE void ma_dr_flac__decode_block_header(ma_uint32 blockHeader, ma_uint8* isLastBlock, ma_uint8* blockType, ma_uint32* blockSize)
{
blockHeader = ma_dr_flac__be2host_32(blockHeader);
*isLastBlock = (ma_uint8)((blockHeader & 0x80000000UL) >> 31);
*blockType = (ma_uint8)((blockHeader & 0x7F000000UL) >> 24);
*blockSize = (blockHeader & 0x00FFFFFFUL);
}
static MA_INLINE ma_bool32 ma_dr_flac__read_and_decode_block_header(ma_dr_flac_read_proc onRead, void* pUserData, ma_uint8* isLastBlock, ma_uint8* blockType, ma_uint32* blockSize)
{
ma_uint32 blockHeader;
*blockSize = 0;
if (onRead(pUserData, &blockHeader, 4) != 4) {
return MA_FALSE;
}
ma_dr_flac__decode_block_header(blockHeader, isLastBlock, blockType, blockSize);
return MA_TRUE;
}
static ma_bool32 ma_dr_flac__read_streaminfo(ma_dr_flac_read_proc onRead, void* pUserData, ma_dr_flac_streaminfo* pStreamInfo)
{
ma_uint32 blockSizes;
ma_uint64 frameSizes = 0;
ma_uint64 importantProps;
ma_uint8 md5[16];
if (onRead(pUserData, &blockSizes, 4) != 4) {
return MA_FALSE;
}
if (onRead(pUserData, &frameSizes, 6) != 6) {
return MA_FALSE;
}
if (onRead(pUserData, &importantProps, 8) != 8) {
return MA_FALSE;
}
if (onRead(pUserData, md5, sizeof(md5)) != sizeof(md5)) {
return MA_FALSE;
}
blockSizes = ma_dr_flac__be2host_32(blockSizes);
frameSizes = ma_dr_flac__be2host_64(frameSizes);
importantProps = ma_dr_flac__be2host_64(importantProps);
pStreamInfo->minBlockSizeInPCMFrames = (ma_uint16)((blockSizes & 0xFFFF0000) >> 16);
pStreamInfo->maxBlockSizeInPCMFrames = (ma_uint16) (blockSizes & 0x0000FFFF);
pStreamInfo->minFrameSizeInPCMFrames = (ma_uint32)((frameSizes & (((ma_uint64)0x00FFFFFF << 16) << 24)) >> 40);
pStreamInfo->maxFrameSizeInPCMFrames = (ma_uint32)((frameSizes & (((ma_uint64)0x00FFFFFF << 16) << 0)) >> 16);
pStreamInfo->sampleRate = (ma_uint32)((importantProps & (((ma_uint64)0x000FFFFF << 16) << 28)) >> 44);
pStreamInfo->channels = (ma_uint8 )((importantProps & (((ma_uint64)0x0000000E << 16) << 24)) >> 41) + 1;
pStreamInfo->bitsPerSample = (ma_uint8 )((importantProps & (((ma_uint64)0x0000001F << 16) << 20)) >> 36) + 1;
pStreamInfo->totalPCMFrameCount = ((importantProps & ((((ma_uint64)0x0000000F << 16) << 16) | 0xFFFFFFFF)));
MA_DR_FLAC_COPY_MEMORY(pStreamInfo->md5, md5, sizeof(md5));
return MA_TRUE;
}
static void* ma_dr_flac__malloc_default(size_t sz, void* pUserData)
{
(void)pUserData;
return MA_DR_FLAC_MALLOC(sz);
}
static void* ma_dr_flac__realloc_default(void* p, size_t sz, void* pUserData)
{
(void)pUserData;
return MA_DR_FLAC_REALLOC(p, sz);
}
static void ma_dr_flac__free_default(void* p, void* pUserData)
{
(void)pUserData;
MA_DR_FLAC_FREE(p);
}
static void* ma_dr_flac__malloc_from_callbacks(size_t sz, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pAllocationCallbacks == NULL) {
return NULL;
}
if (pAllocationCallbacks->onMalloc != NULL) {
return pAllocationCallbacks->onMalloc(sz, pAllocationCallbacks->pUserData);
}
if (pAllocationCallbacks->onRealloc != NULL) {
return pAllocationCallbacks->onRealloc(NULL, sz, pAllocationCallbacks->pUserData);
}
return NULL;
}
static void* ma_dr_flac__realloc_from_callbacks(void* p, size_t szNew, size_t szOld, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pAllocationCallbacks == NULL) {
return NULL;
}
if (pAllocationCallbacks->onRealloc != NULL) {
return pAllocationCallbacks->onRealloc(p, szNew, pAllocationCallbacks->pUserData);
}
if (pAllocationCallbacks->onMalloc != NULL && pAllocationCallbacks->onFree != NULL) {
void* p2;
p2 = pAllocationCallbacks->onMalloc(szNew, pAllocationCallbacks->pUserData);
if (p2 == NULL) {
return NULL;
}
if (p != NULL) {
MA_DR_FLAC_COPY_MEMORY(p2, p, szOld);
pAllocationCallbacks->onFree(p, pAllocationCallbacks->pUserData);
}
return p2;
}
return NULL;
}
static void ma_dr_flac__free_from_callbacks(void* p, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (p == NULL || pAllocationCallbacks == NULL) {
return;
}
if (pAllocationCallbacks->onFree != NULL) {
pAllocationCallbacks->onFree(p, pAllocationCallbacks->pUserData);
}
}
static ma_bool32 ma_dr_flac__read_and_decode_metadata(ma_dr_flac_read_proc onRead, ma_dr_flac_seek_proc onSeek, ma_dr_flac_tell_proc onTell, ma_dr_flac_meta_proc onMeta, void* pUserData, void* pUserDataMD, ma_uint64* pFirstFramePos, ma_uint64* pSeektablePos, ma_uint32* pSeekpointCount, ma_allocation_callbacks* pAllocationCallbacks)
{
ma_uint64 runningFilePos = 42;
ma_uint64 seektablePos = 0;
ma_uint32 seektableSize = 0;
(void)onTell;
for (;;) {
ma_dr_flac_metadata metadata;
ma_uint8 isLastBlock = 0;
ma_uint8 blockType = 0;
ma_uint32 blockSize;
if (ma_dr_flac__read_and_decode_block_header(onRead, pUserData, &isLastBlock, &blockType, &blockSize) == MA_FALSE) {
return MA_FALSE;
}
runningFilePos += 4;
metadata.type = blockType;
metadata.rawDataSize = 0;
metadata.rawDataOffset = runningFilePos;
metadata.pRawData = NULL;
switch (blockType)
{
case MA_DR_FLAC_METADATA_BLOCK_TYPE_APPLICATION:
{
if (blockSize < 4) {
return MA_FALSE;
}
if (onMeta) {
void* pRawData = ma_dr_flac__malloc_from_callbacks(blockSize, pAllocationCallbacks);
if (pRawData == NULL) {
return MA_FALSE;
}
if (onRead(pUserData, pRawData, blockSize) != blockSize) {
ma_dr_flac__free_from_callbacks(pRawData, pAllocationCallbacks);
return MA_FALSE;
}
metadata.pRawData = pRawData;
metadata.rawDataSize = blockSize;
metadata.data.application.id = ma_dr_flac__be2host_32(*(ma_uint32*)pRawData);
metadata.data.application.pData = (const void*)((ma_uint8*)pRawData + sizeof(ma_uint32));
metadata.data.application.dataSize = blockSize - sizeof(ma_uint32);
onMeta(pUserDataMD, &metadata);
ma_dr_flac__free_from_callbacks(pRawData, pAllocationCallbacks);
}
} break;
case MA_DR_FLAC_METADATA_BLOCK_TYPE_SEEKTABLE:
{
seektablePos = runningFilePos;
seektableSize = blockSize;
if (onMeta) {
ma_uint32 seekpointCount;
ma_uint32 iSeekpoint;
void* pRawData;
seekpointCount = blockSize/MA_DR_FLAC_SEEKPOINT_SIZE_IN_BYTES;
pRawData = ma_dr_flac__malloc_from_callbacks(seekpointCount * sizeof(ma_dr_flac_seekpoint), pAllocationCallbacks);
if (pRawData == NULL) {
return MA_FALSE;
}
for (iSeekpoint = 0; iSeekpoint < seekpointCount; ++iSeekpoint) {
ma_dr_flac_seekpoint* pSeekpoint = (ma_dr_flac_seekpoint*)pRawData + iSeekpoint;
if (onRead(pUserData, pSeekpoint, MA_DR_FLAC_SEEKPOINT_SIZE_IN_BYTES) != MA_DR_FLAC_SEEKPOINT_SIZE_IN_BYTES) {
ma_dr_flac__free_from_callbacks(pRawData, pAllocationCallbacks);
return MA_FALSE;
}
pSeekpoint->firstPCMFrame = ma_dr_flac__be2host_64(pSeekpoint->firstPCMFrame);
pSeekpoint->flacFrameOffset = ma_dr_flac__be2host_64(pSeekpoint->flacFrameOffset);
pSeekpoint->pcmFrameCount = ma_dr_flac__be2host_16(pSeekpoint->pcmFrameCount);
}
metadata.pRawData = pRawData;
metadata.rawDataSize = blockSize;
metadata.data.seektable.seekpointCount = seekpointCount;
metadata.data.seektable.pSeekpoints = (const ma_dr_flac_seekpoint*)pRawData;
onMeta(pUserDataMD, &metadata);
ma_dr_flac__free_from_callbacks(pRawData, pAllocationCallbacks);
}
} break;
case MA_DR_FLAC_METADATA_BLOCK_TYPE_VORBIS_COMMENT:
{
if (blockSize < 8) {
return MA_FALSE;
}
if (onMeta) {
void* pRawData;
const char* pRunningData;
const char* pRunningDataEnd;
ma_uint32 i;
pRawData = ma_dr_flac__malloc_from_callbacks(blockSize, pAllocationCallbacks);
if (pRawData == NULL) {
return MA_FALSE;
}
if (onRead(pUserData, pRawData, blockSize) != blockSize) {
ma_dr_flac__free_from_callbacks(pRawData, pAllocationCallbacks);
return MA_FALSE;
}
metadata.pRawData = pRawData;
metadata.rawDataSize = blockSize;
pRunningData = (const char*)pRawData;
pRunningDataEnd = (const char*)pRawData + blockSize;
metadata.data.vorbis_comment.vendorLength = ma_dr_flac__le2host_32_ptr_unaligned(pRunningData); pRunningData += 4;
if ((pRunningDataEnd - pRunningData) - 4 < (ma_int64)metadata.data.vorbis_comment.vendorLength) {
ma_dr_flac__free_from_callbacks(pRawData, pAllocationCallbacks);
return MA_FALSE;
}
metadata.data.vorbis_comment.vendor = pRunningData; pRunningData += metadata.data.vorbis_comment.vendorLength;
metadata.data.vorbis_comment.commentCount = ma_dr_flac__le2host_32_ptr_unaligned(pRunningData); pRunningData += 4;
if ((pRunningDataEnd - pRunningData) / sizeof(ma_uint32) < metadata.data.vorbis_comment.commentCount) {
ma_dr_flac__free_from_callbacks(pRawData, pAllocationCallbacks);
return MA_FALSE;
}
metadata.data.vorbis_comment.pComments = pRunningData;
for (i = 0; i < metadata.data.vorbis_comment.commentCount; ++i) {
ma_uint32 commentLength;
if (pRunningDataEnd - pRunningData < 4) {
ma_dr_flac__free_from_callbacks(pRawData, pAllocationCallbacks);
return MA_FALSE;
}
commentLength = ma_dr_flac__le2host_32_ptr_unaligned(pRunningData); pRunningData += 4;
if (pRunningDataEnd - pRunningData < (ma_int64)commentLength) {
ma_dr_flac__free_from_callbacks(pRawData, pAllocationCallbacks);
return MA_FALSE;
}
pRunningData += commentLength;
}
onMeta(pUserDataMD, &metadata);
ma_dr_flac__free_from_callbacks(pRawData, pAllocationCallbacks);
}
} break;
case MA_DR_FLAC_METADATA_BLOCK_TYPE_CUESHEET:
{
if (blockSize < 396) {
return MA_FALSE;
}
if (onMeta) {
void* pRawData;
const char* pRunningData;
const char* pRunningDataEnd;
size_t bufferSize;
ma_uint8 iTrack;
ma_uint8 iIndex;
void* pTrackData;
pRawData = ma_dr_flac__malloc_from_callbacks(blockSize, pAllocationCallbacks);
if (pRawData == NULL) {
return MA_FALSE;
}
if (onRead(pUserData, pRawData, blockSize) != blockSize) {
ma_dr_flac__free_from_callbacks(pRawData, pAllocationCallbacks);
return MA_FALSE;
}
metadata.pRawData = pRawData;
metadata.rawDataSize = blockSize;
pRunningData = (const char*)pRawData;
pRunningDataEnd = (const char*)pRawData + blockSize;
MA_DR_FLAC_COPY_MEMORY(metadata.data.cuesheet.catalog, pRunningData, 128); pRunningData += 128;
metadata.data.cuesheet.leadInSampleCount = ma_dr_flac__be2host_64(*(const ma_uint64*)pRunningData); pRunningData += 8;
metadata.data.cuesheet.isCD = (pRunningData[0] & 0x80) != 0; pRunningData += 259;
metadata.data.cuesheet.trackCount = pRunningData[0]; pRunningData += 1;
metadata.data.cuesheet.pTrackData = NULL;
{
const char* pRunningDataSaved = pRunningData;
bufferSize = metadata.data.cuesheet.trackCount * MA_DR_FLAC_CUESHEET_TRACK_SIZE_IN_BYTES;
for (iTrack = 0; iTrack < metadata.data.cuesheet.trackCount; ++iTrack) {
ma_uint8 indexCount;
ma_uint32 indexPointSize;
if (pRunningDataEnd - pRunningData < MA_DR_FLAC_CUESHEET_TRACK_SIZE_IN_BYTES) {
ma_dr_flac__free_from_callbacks(pRawData, pAllocationCallbacks);
return MA_FALSE;
}
pRunningData += 35;
indexCount = pRunningData[0];
pRunningData += 1;
bufferSize += indexCount * sizeof(ma_dr_flac_cuesheet_track_index);
indexPointSize = indexCount * MA_DR_FLAC_CUESHEET_TRACK_INDEX_SIZE_IN_BYTES;
if (pRunningDataEnd - pRunningData < (ma_int64)indexPointSize) {
ma_dr_flac__free_from_callbacks(pRawData, pAllocationCallbacks);
return MA_FALSE;
}
pRunningData += indexPointSize;
}
pRunningData = pRunningDataSaved;
}
{
char* pRunningTrackData;
pTrackData = ma_dr_flac__malloc_from_callbacks(bufferSize, pAllocationCallbacks);
if (pTrackData == NULL) {
ma_dr_flac__free_from_callbacks(pRawData, pAllocationCallbacks);
return MA_FALSE;
}
pRunningTrackData = (char*)pTrackData;
for (iTrack = 0; iTrack < metadata.data.cuesheet.trackCount; ++iTrack) {
ma_uint8 indexCount;
MA_DR_FLAC_COPY_MEMORY(pRunningTrackData, pRunningData, MA_DR_FLAC_CUESHEET_TRACK_SIZE_IN_BYTES);
pRunningData += MA_DR_FLAC_CUESHEET_TRACK_SIZE_IN_BYTES-1;
pRunningTrackData += MA_DR_FLAC_CUESHEET_TRACK_SIZE_IN_BYTES-1;
indexCount = pRunningData[0];
pRunningData += 1;
pRunningTrackData += 1;
for (iIndex = 0; iIndex < indexCount; ++iIndex) {
ma_dr_flac_cuesheet_track_index* pTrackIndex = (ma_dr_flac_cuesheet_track_index*)pRunningTrackData;
MA_DR_FLAC_COPY_MEMORY(pRunningTrackData, pRunningData, MA_DR_FLAC_CUESHEET_TRACK_INDEX_SIZE_IN_BYTES);
pRunningData += MA_DR_FLAC_CUESHEET_TRACK_INDEX_SIZE_IN_BYTES;
pRunningTrackData += sizeof(ma_dr_flac_cuesheet_track_index);
pTrackIndex->offset = ma_dr_flac__be2host_64(pTrackIndex->offset);
}
}
metadata.data.cuesheet.pTrackData = pTrackData;
}
ma_dr_flac__free_from_callbacks(pRawData, pAllocationCallbacks);
pRawData = NULL;
onMeta(pUserDataMD, &metadata);
ma_dr_flac__free_from_callbacks(pTrackData, pAllocationCallbacks);
pTrackData = NULL;
}
} break;
case MA_DR_FLAC_METADATA_BLOCK_TYPE_PICTURE:
{
if (blockSize < 32) {
return MA_FALSE;
}
if (onMeta) {
ma_bool32 result = MA_TRUE;
ma_uint32 blockSizeRemaining = blockSize;
char* pMime = NULL;
char* pDescription = NULL;
void* pPictureData = NULL;
if (blockSizeRemaining < 4 || onRead(pUserData, &metadata.data.picture.type, 4) != 4) {
result = MA_FALSE;
goto done_flac;
}
blockSizeRemaining -= 4;
metadata.data.picture.type = ma_dr_flac__be2host_32(metadata.data.picture.type);
if (blockSizeRemaining < 4 || onRead(pUserData, &metadata.data.picture.mimeLength, 4) != 4) {
result = MA_FALSE;
goto done_flac;
}
blockSizeRemaining -= 4;
metadata.data.picture.mimeLength = ma_dr_flac__be2host_32(metadata.data.picture.mimeLength);
pMime = (char*)ma_dr_flac__malloc_from_callbacks(metadata.data.picture.mimeLength + 1, pAllocationCallbacks);
if (pMime == NULL) {
result = MA_FALSE;
goto done_flac;
}
if (blockSizeRemaining < metadata.data.picture.mimeLength || onRead(pUserData, pMime, metadata.data.picture.mimeLength) != metadata.data.picture.mimeLength) {
result = MA_FALSE;
goto done_flac;
}
blockSizeRemaining -= metadata.data.picture.mimeLength;
pMime[metadata.data.picture.mimeLength] = '\0';
metadata.data.picture.mime = (const char*)pMime;
if (blockSizeRemaining < 4 || onRead(pUserData, &metadata.data.picture.descriptionLength, 4) != 4) {
result = MA_FALSE;
goto done_flac;
}
blockSizeRemaining -= 4;
metadata.data.picture.descriptionLength = ma_dr_flac__be2host_32(metadata.data.picture.descriptionLength);
pDescription = (char*)ma_dr_flac__malloc_from_callbacks(metadata.data.picture.descriptionLength + 1, pAllocationCallbacks);
if (pDescription == NULL) {
result = MA_FALSE;
goto done_flac;
}
if (blockSizeRemaining < metadata.data.picture.descriptionLength || onRead(pUserData, pDescription, metadata.data.picture.descriptionLength) != metadata.data.picture.descriptionLength) {
result = MA_FALSE;
goto done_flac;
}
blockSizeRemaining -= metadata.data.picture.descriptionLength;
pDescription[metadata.data.picture.descriptionLength] = '\0';
metadata.data.picture.description = (const char*)pDescription;
if (blockSizeRemaining < 4 || onRead(pUserData, &metadata.data.picture.width, 4) != 4) {
result = MA_FALSE;
goto done_flac;
}
blockSizeRemaining -= 4;
metadata.data.picture.width = ma_dr_flac__be2host_32(metadata.data.picture.width);
if (blockSizeRemaining < 4 || onRead(pUserData, &metadata.data.picture.height, 4) != 4) {
result = MA_FALSE;
goto done_flac;
}
blockSizeRemaining -= 4;
metadata.data.picture.height = ma_dr_flac__be2host_32(metadata.data.picture.height);
if (blockSizeRemaining < 4 || onRead(pUserData, &metadata.data.picture.colorDepth, 4) != 4) {
result = MA_FALSE;
goto done_flac;
}
blockSizeRemaining -= 4;
metadata.data.picture.colorDepth = ma_dr_flac__be2host_32(metadata.data.picture.colorDepth);
if (blockSizeRemaining < 4 || onRead(pUserData, &metadata.data.picture.indexColorCount, 4) != 4) {
result = MA_FALSE;
goto done_flac;
}
blockSizeRemaining -= 4;
metadata.data.picture.indexColorCount = ma_dr_flac__be2host_32(metadata.data.picture.indexColorCount);
if (blockSizeRemaining < 4 || onRead(pUserData, &metadata.data.picture.pictureDataSize, 4) != 4) {
result = MA_FALSE;
goto done_flac;
}
blockSizeRemaining -= 4;
metadata.data.picture.pictureDataSize = ma_dr_flac__be2host_32(metadata.data.picture.pictureDataSize);
if (blockSizeRemaining < metadata.data.picture.pictureDataSize) {
result = MA_FALSE;
goto done_flac;
}
metadata.data.picture.pictureDataOffset = runningFilePos + (blockSize - blockSizeRemaining);
#ifndef MA_DR_FLAC_NO_PICTURE_METADATA_MALLOC
pPictureData = ma_dr_flac__malloc_from_callbacks(metadata.data.picture.pictureDataSize, pAllocationCallbacks);
if (pPictureData != NULL) {
if (onRead(pUserData, pPictureData, metadata.data.picture.pictureDataSize) != metadata.data.picture.pictureDataSize) {
result = MA_FALSE;
goto done_flac;
}
} else
#endif
{
if (!onSeek(pUserData, metadata.data.picture.pictureDataSize, MA_DR_FLAC_SEEK_CUR)) {
result = MA_FALSE;
goto done_flac;
}
}
blockSizeRemaining -= metadata.data.picture.pictureDataSize;
(void)blockSizeRemaining;
metadata.data.picture.pPictureData = (const ma_uint8*)pPictureData;
if (metadata.data.picture.pictureDataOffset != 0 || metadata.data.picture.pPictureData != NULL) {
onMeta(pUserDataMD, &metadata);
} else {
}
done_flac:
ma_dr_flac__free_from_callbacks(pMime, pAllocationCallbacks);
ma_dr_flac__free_from_callbacks(pDescription, pAllocationCallbacks);
ma_dr_flac__free_from_callbacks(pPictureData, pAllocationCallbacks);
if (result != MA_TRUE) {
return MA_FALSE;
}
}
} break;
case MA_DR_FLAC_METADATA_BLOCK_TYPE_PADDING:
{
if (onMeta) {
metadata.data.padding.unused = 0;
if (!onSeek(pUserData, blockSize, MA_DR_FLAC_SEEK_CUR)) {
isLastBlock = MA_TRUE;
} else {
onMeta(pUserDataMD, &metadata);
}
}
} break;
case MA_DR_FLAC_METADATA_BLOCK_TYPE_INVALID:
{
if (onMeta) {
if (!onSeek(pUserData, blockSize, MA_DR_FLAC_SEEK_CUR)) {
isLastBlock = MA_TRUE;
}
}
} break;
default:
{
if (onMeta) {
void* pRawData = ma_dr_flac__malloc_from_callbacks(blockSize, pAllocationCallbacks);
if (pRawData != NULL) {
if (onRead(pUserData, pRawData, blockSize) != blockSize) {
ma_dr_flac__free_from_callbacks(pRawData, pAllocationCallbacks);
return MA_FALSE;
}
} else {
if (!onSeek(pUserData, blockSize, MA_DR_FLAC_SEEK_CUR)) {
return MA_FALSE;
}
}
metadata.pRawData = pRawData;
metadata.rawDataSize = blockSize;
onMeta(pUserDataMD, &metadata);
ma_dr_flac__free_from_callbacks(pRawData, pAllocationCallbacks);
}
} break;
}
if (onMeta == NULL && blockSize > 0) {
if (!onSeek(pUserData, blockSize, MA_DR_FLAC_SEEK_CUR)) {
isLastBlock = MA_TRUE;
}
}
runningFilePos += blockSize;
if (isLastBlock) {
break;
}
}
*pSeektablePos = seektablePos;
*pSeekpointCount = seektableSize / MA_DR_FLAC_SEEKPOINT_SIZE_IN_BYTES;
*pFirstFramePos = runningFilePos;
return MA_TRUE;
}
static ma_bool32 ma_dr_flac__init_private__native(ma_dr_flac_init_info* pInit, ma_dr_flac_read_proc onRead, ma_dr_flac_seek_proc onSeek, ma_dr_flac_meta_proc onMeta, void* pUserData, void* pUserDataMD, ma_bool32 relaxed)
{
ma_uint8 isLastBlock;
ma_uint8 blockType;
ma_uint32 blockSize;
(void)onSeek;
pInit->container = ma_dr_flac_container_native;
if (!ma_dr_flac__read_and_decode_block_header(onRead, pUserData, &isLastBlock, &blockType, &blockSize)) {
return MA_FALSE;
}
if (blockType != MA_DR_FLAC_METADATA_BLOCK_TYPE_STREAMINFO || blockSize != 34) {
if (!relaxed) {
return MA_FALSE;
} else {
pInit->hasStreamInfoBlock = MA_FALSE;
pInit->hasMetadataBlocks = MA_FALSE;
if (!ma_dr_flac__read_next_flac_frame_header(&pInit->bs, 0, &pInit->firstFrameHeader)) {
return MA_FALSE;
}
if (pInit->firstFrameHeader.bitsPerSample == 0) {
return MA_FALSE;
}
pInit->sampleRate = pInit->firstFrameHeader.sampleRate;
pInit->channels = ma_dr_flac__get_channel_count_from_channel_assignment(pInit->firstFrameHeader.channelAssignment);
pInit->bitsPerSample = pInit->firstFrameHeader.bitsPerSample;
pInit->maxBlockSizeInPCMFrames = 65535;
return MA_TRUE;
}
} else {
ma_dr_flac_streaminfo streaminfo;
if (!ma_dr_flac__read_streaminfo(onRead, pUserData, &streaminfo)) {
return MA_FALSE;
}
pInit->hasStreamInfoBlock = MA_TRUE;
pInit->sampleRate = streaminfo.sampleRate;
pInit->channels = streaminfo.channels;
pInit->bitsPerSample = streaminfo.bitsPerSample;
pInit->totalPCMFrameCount = streaminfo.totalPCMFrameCount;
pInit->maxBlockSizeInPCMFrames = streaminfo.maxBlockSizeInPCMFrames;
pInit->hasMetadataBlocks = !isLastBlock;
if (onMeta) {
ma_dr_flac_metadata metadata;
metadata.type = MA_DR_FLAC_METADATA_BLOCK_TYPE_STREAMINFO;
metadata.pRawData = NULL;
metadata.rawDataSize = 0;
metadata.data.streaminfo = streaminfo;
onMeta(pUserDataMD, &metadata);
}
return MA_TRUE;
}
}
#ifndef MA_DR_FLAC_NO_OGG
#define MA_DR_FLAC_OGG_MAX_PAGE_SIZE 65307
#define MA_DR_FLAC_OGG_CAPTURE_PATTERN_CRC32 1605413199
typedef enum
{
ma_dr_flac_ogg_recover_on_crc_mismatch,
ma_dr_flac_ogg_fail_on_crc_mismatch
} ma_dr_flac_ogg_crc_mismatch_recovery;
#ifndef MA_DR_FLAC_NO_CRC
static ma_uint32 ma_dr_flac__crc32_table[] = {
0x00000000L, 0x04C11DB7L, 0x09823B6EL, 0x0D4326D9L,
0x130476DCL, 0x17C56B6BL, 0x1A864DB2L, 0x1E475005L,
0x2608EDB8L, 0x22C9F00FL, 0x2F8AD6D6L, 0x2B4BCB61L,
0x350C9B64L, 0x31CD86D3L, 0x3C8EA00AL, 0x384FBDBDL,
0x4C11DB70L, 0x48D0C6C7L, 0x4593E01EL, 0x4152FDA9L,
0x5F15ADACL, 0x5BD4B01BL, 0x569796C2L, 0x52568B75L,
0x6A1936C8L, 0x6ED82B7FL, 0x639B0DA6L, 0x675A1011L,
0x791D4014L, 0x7DDC5DA3L, 0x709F7B7AL, 0x745E66CDL,
0x9823B6E0L, 0x9CE2AB57L, 0x91A18D8EL, 0x95609039L,
0x8B27C03CL, 0x8FE6DD8BL, 0x82A5FB52L, 0x8664E6E5L,
0xBE2B5B58L, 0xBAEA46EFL, 0xB7A96036L, 0xB3687D81L,
0xAD2F2D84L, 0xA9EE3033L, 0xA4AD16EAL, 0xA06C0B5DL,
0xD4326D90L, 0xD0F37027L, 0xDDB056FEL, 0xD9714B49L,
0xC7361B4CL, 0xC3F706FBL, 0xCEB42022L, 0xCA753D95L,
0xF23A8028L, 0xF6FB9D9FL, 0xFBB8BB46L, 0xFF79A6F1L,
0xE13EF6F4L, 0xE5FFEB43L, 0xE8BCCD9AL, 0xEC7DD02DL,
0x34867077L, 0x30476DC0L, 0x3D044B19L, 0x39C556AEL,
0x278206ABL, 0x23431B1CL, 0x2E003DC5L, 0x2AC12072L,
0x128E9DCFL, 0x164F8078L, 0x1B0CA6A1L, 0x1FCDBB16L,
0x018AEB13L, 0x054BF6A4L, 0x0808D07DL, 0x0CC9CDCAL,
0x7897AB07L, 0x7C56B6B0L, 0x71159069L, 0x75D48DDEL,
0x6B93DDDBL, 0x6F52C06CL, 0x6211E6B5L, 0x66D0FB02L,
0x5E9F46BFL, 0x5A5E5B08L, 0x571D7DD1L, 0x53DC6066L,
0x4D9B3063L, 0x495A2DD4L, 0x44190B0DL, 0x40D816BAL,
0xACA5C697L, 0xA864DB20L, 0xA527FDF9L, 0xA1E6E04EL,
0xBFA1B04BL, 0xBB60ADFCL, 0xB6238B25L, 0xB2E29692L,
0x8AAD2B2FL, 0x8E6C3698L, 0x832F1041L, 0x87EE0DF6L,
0x99A95DF3L, 0x9D684044L, 0x902B669DL, 0x94EA7B2AL,
0xE0B41DE7L, 0xE4750050L, 0xE9362689L, 0xEDF73B3EL,
0xF3B06B3BL, 0xF771768CL, 0xFA325055L, 0xFEF34DE2L,
0xC6BCF05FL, 0xC27DEDE8L, 0xCF3ECB31L, 0xCBFFD686L,
0xD5B88683L, 0xD1799B34L, 0xDC3ABDEDL, 0xD8FBA05AL,
0x690CE0EEL, 0x6DCDFD59L, 0x608EDB80L, 0x644FC637L,
0x7A089632L, 0x7EC98B85L, 0x738AAD5CL, 0x774BB0EBL,
0x4F040D56L, 0x4BC510E1L, 0x46863638L, 0x42472B8FL,
0x5C007B8AL, 0x58C1663DL, 0x558240E4L, 0x51435D53L,
0x251D3B9EL, 0x21DC2629L, 0x2C9F00F0L, 0x285E1D47L,
0x36194D42L, 0x32D850F5L, 0x3F9B762CL, 0x3B5A6B9BL,
0x0315D626L, 0x07D4CB91L, 0x0A97ED48L, 0x0E56F0FFL,
0x1011A0FAL, 0x14D0BD4DL, 0x19939B94L, 0x1D528623L,
0xF12F560EL, 0xF5EE4BB9L, 0xF8AD6D60L, 0xFC6C70D7L,
0xE22B20D2L, 0xE6EA3D65L, 0xEBA91BBCL, 0xEF68060BL,
0xD727BBB6L, 0xD3E6A601L, 0xDEA580D8L, 0xDA649D6FL,
0xC423CD6AL, 0xC0E2D0DDL, 0xCDA1F604L, 0xC960EBB3L,
0xBD3E8D7EL, 0xB9FF90C9L, 0xB4BCB610L, 0xB07DABA7L,
0xAE3AFBA2L, 0xAAFBE615L, 0xA7B8C0CCL, 0xA379DD7BL,
0x9B3660C6L, 0x9FF77D71L, 0x92B45BA8L, 0x9675461FL,
0x8832161AL, 0x8CF30BADL, 0x81B02D74L, 0x857130C3L,
0x5D8A9099L, 0x594B8D2EL, 0x5408ABF7L, 0x50C9B640L,
0x4E8EE645L, 0x4A4FFBF2L, 0x470CDD2BL, 0x43CDC09CL,
0x7B827D21L, 0x7F436096L, 0x7200464FL, 0x76C15BF8L,
0x68860BFDL, 0x6C47164AL, 0x61043093L, 0x65C52D24L,
0x119B4BE9L, 0x155A565EL, 0x18197087L, 0x1CD86D30L,
0x029F3D35L, 0x065E2082L, 0x0B1D065BL, 0x0FDC1BECL,
0x3793A651L, 0x3352BBE6L, 0x3E119D3FL, 0x3AD08088L,
0x2497D08DL, 0x2056CD3AL, 0x2D15EBE3L, 0x29D4F654L,
0xC5A92679L, 0xC1683BCEL, 0xCC2B1D17L, 0xC8EA00A0L,
0xD6AD50A5L, 0xD26C4D12L, 0xDF2F6BCBL, 0xDBEE767CL,
0xE3A1CBC1L, 0xE760D676L, 0xEA23F0AFL, 0xEEE2ED18L,
0xF0A5BD1DL, 0xF464A0AAL, 0xF9278673L, 0xFDE69BC4L,
0x89B8FD09L, 0x8D79E0BEL, 0x803AC667L, 0x84FBDBD0L,
0x9ABC8BD5L, 0x9E7D9662L, 0x933EB0BBL, 0x97FFAD0CL,
0xAFB010B1L, 0xAB710D06L, 0xA6322BDFL, 0xA2F33668L,
0xBCB4666DL, 0xB8757BDAL, 0xB5365D03L, 0xB1F740B4L
};
#endif
static MA_INLINE ma_uint32 ma_dr_flac_crc32_byte(ma_uint32 crc32, ma_uint8 data)
{
#ifndef MA_DR_FLAC_NO_CRC
return (crc32 << 8) ^ ma_dr_flac__crc32_table[(ma_uint8)((crc32 >> 24) & 0xFF) ^ data];
#else
(void)data;
return crc32;
#endif
}
#if 0
static MA_INLINE ma_uint32 ma_dr_flac_crc32_uint32(ma_uint32 crc32, ma_uint32 data)
{
crc32 = ma_dr_flac_crc32_byte(crc32, (ma_uint8)((data >> 24) & 0xFF));
crc32 = ma_dr_flac_crc32_byte(crc32, (ma_uint8)((data >> 16) & 0xFF));
crc32 = ma_dr_flac_crc32_byte(crc32, (ma_uint8)((data >> 8) & 0xFF));
crc32 = ma_dr_flac_crc32_byte(crc32, (ma_uint8)((data >> 0) & 0xFF));
return crc32;
}
static MA_INLINE ma_uint32 ma_dr_flac_crc32_uint64(ma_uint32 crc32, ma_uint64 data)
{
crc32 = ma_dr_flac_crc32_uint32(crc32, (ma_uint32)((data >> 32) & 0xFFFFFFFF));
crc32 = ma_dr_flac_crc32_uint32(crc32, (ma_uint32)((data >> 0) & 0xFFFFFFFF));
return crc32;
}
#endif
static MA_INLINE ma_uint32 ma_dr_flac_crc32_buffer(ma_uint32 crc32, ma_uint8* pData, ma_uint32 dataSize)
{
ma_uint32 i;
for (i = 0; i < dataSize; ++i) {
crc32 = ma_dr_flac_crc32_byte(crc32, pData[i]);
}
return crc32;
}
static MA_INLINE ma_bool32 ma_dr_flac_ogg__is_capture_pattern(ma_uint8 pattern[4])
{
return pattern[0] == 'O' && pattern[1] == 'g' && pattern[2] == 'g' && pattern[3] == 'S';
}
static MA_INLINE ma_uint32 ma_dr_flac_ogg__get_page_header_size(ma_dr_flac_ogg_page_header* pHeader)
{
return 27 + pHeader->segmentCount;
}
static MA_INLINE ma_uint32 ma_dr_flac_ogg__get_page_body_size(ma_dr_flac_ogg_page_header* pHeader)
{
ma_uint32 pageBodySize = 0;
int i;
for (i = 0; i < pHeader->segmentCount; ++i) {
pageBodySize += pHeader->segmentTable[i];
}
return pageBodySize;
}
static ma_result ma_dr_flac_ogg__read_page_header_after_capture_pattern(ma_dr_flac_read_proc onRead, void* pUserData, ma_dr_flac_ogg_page_header* pHeader, ma_uint32* pBytesRead, ma_uint32* pCRC32)
{
ma_uint8 data[23];
ma_uint32 i;
MA_DR_FLAC_ASSERT(*pCRC32 == MA_DR_FLAC_OGG_CAPTURE_PATTERN_CRC32);
if (onRead(pUserData, data, 23) != 23) {
return MA_AT_END;
}
*pBytesRead += 23;
pHeader->capturePattern[0] = 'O';
pHeader->capturePattern[1] = 'g';
pHeader->capturePattern[2] = 'g';
pHeader->capturePattern[3] = 'S';
pHeader->structureVersion = data[0];
pHeader->headerType = data[1];
MA_DR_FLAC_COPY_MEMORY(&pHeader->granulePosition, &data[ 2], 8);
MA_DR_FLAC_COPY_MEMORY(&pHeader->serialNumber, &data[10], 4);
MA_DR_FLAC_COPY_MEMORY(&pHeader->sequenceNumber, &data[14], 4);
MA_DR_FLAC_COPY_MEMORY(&pHeader->checksum, &data[18], 4);
pHeader->segmentCount = data[22];
data[18] = 0;
data[19] = 0;
data[20] = 0;
data[21] = 0;
for (i = 0; i < 23; ++i) {
*pCRC32 = ma_dr_flac_crc32_byte(*pCRC32, data[i]);
}
if (onRead(pUserData, pHeader->segmentTable, pHeader->segmentCount) != pHeader->segmentCount) {
return MA_AT_END;
}
*pBytesRead += pHeader->segmentCount;
for (i = 0; i < pHeader->segmentCount; ++i) {
*pCRC32 = ma_dr_flac_crc32_byte(*pCRC32, pHeader->segmentTable[i]);
}
return MA_SUCCESS;
}
static ma_result ma_dr_flac_ogg__read_page_header(ma_dr_flac_read_proc onRead, void* pUserData, ma_dr_flac_ogg_page_header* pHeader, ma_uint32* pBytesRead, ma_uint32* pCRC32)
{
ma_uint8 id[4];
*pBytesRead = 0;
if (onRead(pUserData, id, 4) != 4) {
return MA_AT_END;
}
*pBytesRead += 4;
for (;;) {
if (ma_dr_flac_ogg__is_capture_pattern(id)) {
ma_result result;
*pCRC32 = MA_DR_FLAC_OGG_CAPTURE_PATTERN_CRC32;
result = ma_dr_flac_ogg__read_page_header_after_capture_pattern(onRead, pUserData, pHeader, pBytesRead, pCRC32);
if (result == MA_SUCCESS) {
return MA_SUCCESS;
} else {
if (result == MA_CRC_MISMATCH) {
continue;
} else {
return result;
}
}
} else {
id[0] = id[1];
id[1] = id[2];
id[2] = id[3];
if (onRead(pUserData, &id[3], 1) != 1) {
return MA_AT_END;
}
*pBytesRead += 1;
}
}
}
typedef struct
{
ma_dr_flac_read_proc onRead;
ma_dr_flac_seek_proc onSeek;
ma_dr_flac_tell_proc onTell;
void* pUserData;
ma_uint64 currentBytePos;
ma_uint64 firstBytePos;
ma_uint32 serialNumber;
ma_dr_flac_ogg_page_header bosPageHeader;
ma_dr_flac_ogg_page_header currentPageHeader;
ma_uint32 bytesRemainingInPage;
ma_uint32 pageDataSize;
ma_uint8 pageData[MA_DR_FLAC_OGG_MAX_PAGE_SIZE];
} ma_dr_flac_oggbs;
static size_t ma_dr_flac_oggbs__read_physical(ma_dr_flac_oggbs* oggbs, void* bufferOut, size_t bytesToRead)
{
size_t bytesActuallyRead = oggbs->onRead(oggbs->pUserData, bufferOut, bytesToRead);
oggbs->currentBytePos += bytesActuallyRead;
return bytesActuallyRead;
}
static ma_bool32 ma_dr_flac_oggbs__seek_physical(ma_dr_flac_oggbs* oggbs, ma_uint64 offset, ma_dr_flac_seek_origin origin)
{
if (origin == MA_DR_FLAC_SEEK_SET) {
if (offset <= 0x7FFFFFFF) {
if (!oggbs->onSeek(oggbs->pUserData, (int)offset, MA_DR_FLAC_SEEK_SET)) {
return MA_FALSE;
}
oggbs->currentBytePos = offset;
return MA_TRUE;
} else {
if (!oggbs->onSeek(oggbs->pUserData, 0x7FFFFFFF, MA_DR_FLAC_SEEK_SET)) {
return MA_FALSE;
}
oggbs->currentBytePos = offset;
return ma_dr_flac_oggbs__seek_physical(oggbs, offset - 0x7FFFFFFF, MA_DR_FLAC_SEEK_CUR);
}
} else {
while (offset > 0x7FFFFFFF) {
if (!oggbs->onSeek(oggbs->pUserData, 0x7FFFFFFF, MA_DR_FLAC_SEEK_CUR)) {
return MA_FALSE;
}
oggbs->currentBytePos += 0x7FFFFFFF;
offset -= 0x7FFFFFFF;
}
if (!oggbs->onSeek(oggbs->pUserData, (int)offset, MA_DR_FLAC_SEEK_CUR)) {
return MA_FALSE;
}
oggbs->currentBytePos += offset;
return MA_TRUE;
}
}
static ma_bool32 ma_dr_flac_oggbs__goto_next_page(ma_dr_flac_oggbs* oggbs, ma_dr_flac_ogg_crc_mismatch_recovery recoveryMethod)
{
ma_dr_flac_ogg_page_header header;
for (;;) {
ma_uint32 crc32 = 0;
ma_uint32 bytesRead;
ma_uint32 pageBodySize;
#ifndef MA_DR_FLAC_NO_CRC
ma_uint32 actualCRC32;
#endif
if (ma_dr_flac_ogg__read_page_header(oggbs->onRead, oggbs->pUserData, &header, &bytesRead, &crc32) != MA_SUCCESS) {
return MA_FALSE;
}
oggbs->currentBytePos += bytesRead;
pageBodySize = ma_dr_flac_ogg__get_page_body_size(&header);
if (pageBodySize > MA_DR_FLAC_OGG_MAX_PAGE_SIZE) {
continue;
}
if (header.serialNumber != oggbs->serialNumber) {
if (pageBodySize > 0 && !ma_dr_flac_oggbs__seek_physical(oggbs, pageBodySize, MA_DR_FLAC_SEEK_CUR)) {
return MA_FALSE;
}
continue;
}
if (ma_dr_flac_oggbs__read_physical(oggbs, oggbs->pageData, pageBodySize) != pageBodySize) {
return MA_FALSE;
}
oggbs->pageDataSize = pageBodySize;
#ifndef MA_DR_FLAC_NO_CRC
actualCRC32 = ma_dr_flac_crc32_buffer(crc32, oggbs->pageData, oggbs->pageDataSize);
if (actualCRC32 != header.checksum) {
if (recoveryMethod == ma_dr_flac_ogg_recover_on_crc_mismatch) {
continue;
} else {
ma_dr_flac_oggbs__goto_next_page(oggbs, ma_dr_flac_ogg_recover_on_crc_mismatch);
return MA_FALSE;
}
}
#else
(void)recoveryMethod;
#endif
oggbs->currentPageHeader = header;
oggbs->bytesRemainingInPage = pageBodySize;
return MA_TRUE;
}
}
#if 0
static ma_uint8 ma_dr_flac_oggbs__get_current_segment_index(ma_dr_flac_oggbs* oggbs, ma_uint8* pBytesRemainingInSeg)
{
ma_uint32 bytesConsumedInPage = ma_dr_flac_ogg__get_page_body_size(&oggbs->currentPageHeader) - oggbs->bytesRemainingInPage;
ma_uint8 iSeg = 0;
ma_uint32 iByte = 0;
while (iByte < bytesConsumedInPage) {
ma_uint8 segmentSize = oggbs->currentPageHeader.segmentTable[iSeg];
if (iByte + segmentSize > bytesConsumedInPage) {
break;
} else {
iSeg += 1;
iByte += segmentSize;
}
}
*pBytesRemainingInSeg = oggbs->currentPageHeader.segmentTable[iSeg] - (ma_uint8)(bytesConsumedInPage - iByte);
return iSeg;
}
static ma_bool32 ma_dr_flac_oggbs__seek_to_next_packet(ma_dr_flac_oggbs* oggbs)
{
for (;;) {
ma_bool32 atEndOfPage = MA_FALSE;
ma_uint8 bytesRemainingInSeg;
ma_uint8 iFirstSeg = ma_dr_flac_oggbs__get_current_segment_index(oggbs, &bytesRemainingInSeg);
ma_uint32 bytesToEndOfPacketOrPage = bytesRemainingInSeg;
for (ma_uint8 iSeg = iFirstSeg; iSeg < oggbs->currentPageHeader.segmentCount; ++iSeg) {
ma_uint8 segmentSize = oggbs->currentPageHeader.segmentTable[iSeg];
if (segmentSize < 255) {
if (iSeg == oggbs->currentPageHeader.segmentCount-1) {
atEndOfPage = MA_TRUE;
}
break;
}
bytesToEndOfPacketOrPage += segmentSize;
}
ma_dr_flac_oggbs__seek_physical(oggbs, bytesToEndOfPacketOrPage, MA_DR_FLAC_SEEK_CUR);
oggbs->bytesRemainingInPage -= bytesToEndOfPacketOrPage;
if (atEndOfPage) {
if (!ma_dr_flac_oggbs__goto_next_page(oggbs)) {
return MA_FALSE;
}
if ((oggbs->currentPageHeader.headerType & 0x01) == 0) {
return MA_TRUE;
}
} else {
return MA_TRUE;
}
}
}
static ma_bool32 ma_dr_flac_oggbs__seek_to_next_frame(ma_dr_flac_oggbs* oggbs)
{
return ma_dr_flac_oggbs__seek_to_next_packet(oggbs);
}
#endif
static size_t ma_dr_flac__on_read_ogg(void* pUserData, void* bufferOut, size_t bytesToRead)
{
ma_dr_flac_oggbs* oggbs = (ma_dr_flac_oggbs*)pUserData;
ma_uint8* pRunningBufferOut = (ma_uint8*)bufferOut;
size_t bytesRead = 0;
MA_DR_FLAC_ASSERT(oggbs != NULL);
MA_DR_FLAC_ASSERT(pRunningBufferOut != NULL);
while (bytesRead < bytesToRead) {
size_t bytesRemainingToRead = bytesToRead - bytesRead;
if (oggbs->bytesRemainingInPage >= bytesRemainingToRead) {
MA_DR_FLAC_COPY_MEMORY(pRunningBufferOut, oggbs->pageData + (oggbs->pageDataSize - oggbs->bytesRemainingInPage), bytesRemainingToRead);
bytesRead += bytesRemainingToRead;
oggbs->bytesRemainingInPage -= (ma_uint32)bytesRemainingToRead;
break;
}
if (oggbs->bytesRemainingInPage > 0) {
MA_DR_FLAC_COPY_MEMORY(pRunningBufferOut, oggbs->pageData + (oggbs->pageDataSize - oggbs->bytesRemainingInPage), oggbs->bytesRemainingInPage);
bytesRead += oggbs->bytesRemainingInPage;
pRunningBufferOut += oggbs->bytesRemainingInPage;
oggbs->bytesRemainingInPage = 0;
}
MA_DR_FLAC_ASSERT(bytesRemainingToRead > 0);
if (!ma_dr_flac_oggbs__goto_next_page(oggbs, ma_dr_flac_ogg_recover_on_crc_mismatch)) {
break;
}
}
return bytesRead;
}
static ma_bool32 ma_dr_flac__on_seek_ogg(void* pUserData, int offset, ma_dr_flac_seek_origin origin)
{
ma_dr_flac_oggbs* oggbs = (ma_dr_flac_oggbs*)pUserData;
int bytesSeeked = 0;
MA_DR_FLAC_ASSERT(oggbs != NULL);
MA_DR_FLAC_ASSERT(offset >= 0);
if (origin == MA_DR_FLAC_SEEK_SET) {
if (!ma_dr_flac_oggbs__seek_physical(oggbs, (int)oggbs->firstBytePos, MA_DR_FLAC_SEEK_SET)) {
return MA_FALSE;
}
if (!ma_dr_flac_oggbs__goto_next_page(oggbs, ma_dr_flac_ogg_fail_on_crc_mismatch)) {
return MA_FALSE;
}
return ma_dr_flac__on_seek_ogg(pUserData, offset, MA_DR_FLAC_SEEK_CUR);
} else if (origin == MA_DR_FLAC_SEEK_CUR) {
while (bytesSeeked < offset) {
int bytesRemainingToSeek = offset - bytesSeeked;
MA_DR_FLAC_ASSERT(bytesRemainingToSeek >= 0);
if (oggbs->bytesRemainingInPage >= (size_t)bytesRemainingToSeek) {
bytesSeeked += bytesRemainingToSeek;
(void)bytesSeeked;
oggbs->bytesRemainingInPage -= bytesRemainingToSeek;
break;
}
if (oggbs->bytesRemainingInPage > 0) {
bytesSeeked += (int)oggbs->bytesRemainingInPage;
oggbs->bytesRemainingInPage = 0;
}
MA_DR_FLAC_ASSERT(bytesRemainingToSeek > 0);
if (!ma_dr_flac_oggbs__goto_next_page(oggbs, ma_dr_flac_ogg_fail_on_crc_mismatch)) {
return MA_FALSE;
}
}
} else if (origin == MA_DR_FLAC_SEEK_END) {
return MA_FALSE;
}
return MA_TRUE;
}
static ma_bool32 ma_dr_flac__on_tell_ogg(void* pUserData, ma_int64* pCursor)
{
(void)pUserData;
(void)pCursor;
return MA_FALSE;
}
static ma_bool32 ma_dr_flac_ogg__seek_to_pcm_frame(ma_dr_flac* pFlac, ma_uint64 pcmFrameIndex)
{
ma_dr_flac_oggbs* oggbs = (ma_dr_flac_oggbs*)pFlac->_oggbs;
ma_uint64 originalBytePos;
ma_uint64 runningGranulePosition;
ma_uint64 runningFrameBytePos;
ma_uint64 runningPCMFrameCount;
MA_DR_FLAC_ASSERT(oggbs != NULL);
originalBytePos = oggbs->currentBytePos;
if (!ma_dr_flac__seek_to_byte(&pFlac->bs, pFlac->firstFLACFramePosInBytes)) {
return MA_FALSE;
}
oggbs->bytesRemainingInPage = 0;
runningGranulePosition = 0;
for (;;) {
if (!ma_dr_flac_oggbs__goto_next_page(oggbs, ma_dr_flac_ogg_recover_on_crc_mismatch)) {
ma_dr_flac_oggbs__seek_physical(oggbs, originalBytePos, MA_DR_FLAC_SEEK_SET);
return MA_FALSE;
}
runningFrameBytePos = oggbs->currentBytePos - ma_dr_flac_ogg__get_page_header_size(&oggbs->currentPageHeader) - oggbs->pageDataSize;
if (oggbs->currentPageHeader.granulePosition >= pcmFrameIndex) {
break;
}
if ((oggbs->currentPageHeader.headerType & 0x01) == 0) {
if (oggbs->currentPageHeader.segmentTable[0] >= 2) {
ma_uint8 firstBytesInPage[2];
firstBytesInPage[0] = oggbs->pageData[0];
firstBytesInPage[1] = oggbs->pageData[1];
if ((firstBytesInPage[0] == 0xFF) && (firstBytesInPage[1] & 0xFC) == 0xF8) {
runningGranulePosition = oggbs->currentPageHeader.granulePosition;
}
continue;
}
}
}
if (!ma_dr_flac_oggbs__seek_physical(oggbs, runningFrameBytePos, MA_DR_FLAC_SEEK_SET)) {
return MA_FALSE;
}
if (!ma_dr_flac_oggbs__goto_next_page(oggbs, ma_dr_flac_ogg_recover_on_crc_mismatch)) {
return MA_FALSE;
}
runningPCMFrameCount = runningGranulePosition;
for (;;) {
ma_uint64 firstPCMFrameInFLACFrame = 0;
ma_uint64 lastPCMFrameInFLACFrame = 0;
ma_uint64 pcmFrameCountInThisFrame;
if (!ma_dr_flac__read_next_flac_frame_header(&pFlac->bs, pFlac->bitsPerSample, &pFlac->currentFLACFrame.header)) {
return MA_FALSE;
}
ma_dr_flac__get_pcm_frame_range_of_current_flac_frame(pFlac, &firstPCMFrameInFLACFrame, &lastPCMFrameInFLACFrame);
pcmFrameCountInThisFrame = (lastPCMFrameInFLACFrame - firstPCMFrameInFLACFrame) + 1;
if (pcmFrameIndex == pFlac->totalPCMFrameCount && (runningPCMFrameCount + pcmFrameCountInThisFrame) == pFlac->totalPCMFrameCount) {
ma_result result = ma_dr_flac__decode_flac_frame(pFlac);
if (result == MA_SUCCESS) {
pFlac->currentPCMFrame = pcmFrameIndex;
pFlac->currentFLACFrame.pcmFramesRemaining = 0;
return MA_TRUE;
} else {
return MA_FALSE;
}
}
if (pcmFrameIndex < (runningPCMFrameCount + pcmFrameCountInThisFrame)) {
ma_result result = ma_dr_flac__decode_flac_frame(pFlac);
if (result == MA_SUCCESS) {
ma_uint64 pcmFramesToDecode = (size_t)(pcmFrameIndex - runningPCMFrameCount);
if (pcmFramesToDecode == 0) {
return MA_TRUE;
}
pFlac->currentPCMFrame = runningPCMFrameCount;
return ma_dr_flac__seek_forward_by_pcm_frames(pFlac, pcmFramesToDecode) == pcmFramesToDecode;
} else {
if (result == MA_CRC_MISMATCH) {
continue;
} else {
return MA_FALSE;
}
}
} else {
ma_result result = ma_dr_flac__seek_to_next_flac_frame(pFlac);
if (result == MA_SUCCESS) {
runningPCMFrameCount += pcmFrameCountInThisFrame;
} else {
if (result == MA_CRC_MISMATCH) {
continue;
} else {
return MA_FALSE;
}
}
}
}
}
static ma_bool32 ma_dr_flac__init_private__ogg(ma_dr_flac_init_info* pInit, ma_dr_flac_read_proc onRead, ma_dr_flac_seek_proc onSeek, ma_dr_flac_meta_proc onMeta, void* pUserData, void* pUserDataMD, ma_bool32 relaxed)
{
ma_dr_flac_ogg_page_header header;
ma_uint32 crc32 = MA_DR_FLAC_OGG_CAPTURE_PATTERN_CRC32;
ma_uint32 bytesRead = 0;
(void)relaxed;
pInit->container = ma_dr_flac_container_ogg;
pInit->oggFirstBytePos = 0;
if (ma_dr_flac_ogg__read_page_header_after_capture_pattern(onRead, pUserData, &header, &bytesRead, &crc32) != MA_SUCCESS) {
return MA_FALSE;
}
pInit->runningFilePos += bytesRead;
for (;;) {
int pageBodySize;
if ((header.headerType & 0x02) == 0) {
return MA_FALSE;
}
pageBodySize = ma_dr_flac_ogg__get_page_body_size(&header);
if (pageBodySize == 51) {
ma_uint32 bytesRemainingInPage = pageBodySize;
ma_uint8 packetType;
if (onRead(pUserData, &packetType, 1) != 1) {
return MA_FALSE;
}
bytesRemainingInPage -= 1;
if (packetType == 0x7F) {
ma_uint8 sig[4];
if (onRead(pUserData, sig, 4) != 4) {
return MA_FALSE;
}
bytesRemainingInPage -= 4;
if (sig[0] == 'F' && sig[1] == 'L' && sig[2] == 'A' && sig[3] == 'C') {
ma_uint8 mappingVersion[2];
if (onRead(pUserData, mappingVersion, 2) != 2) {
return MA_FALSE;
}
if (mappingVersion[0] != 1) {
return MA_FALSE;
}
if (!onSeek(pUserData, 2, MA_DR_FLAC_SEEK_CUR)) {
return MA_FALSE;
}
if (onRead(pUserData, sig, 4) != 4) {
return MA_FALSE;
}
if (sig[0] == 'f' && sig[1] == 'L' && sig[2] == 'a' && sig[3] == 'C') {
ma_dr_flac_streaminfo streaminfo;
ma_uint8 isLastBlock;
ma_uint8 blockType;
ma_uint32 blockSize;
if (!ma_dr_flac__read_and_decode_block_header(onRead, pUserData, &isLastBlock, &blockType, &blockSize)) {
return MA_FALSE;
}
if (blockType != MA_DR_FLAC_METADATA_BLOCK_TYPE_STREAMINFO || blockSize != 34) {
return MA_FALSE;
}
if (ma_dr_flac__read_streaminfo(onRead, pUserData, &streaminfo)) {
pInit->hasStreamInfoBlock = MA_TRUE;
pInit->sampleRate = streaminfo.sampleRate;
pInit->channels = streaminfo.channels;
pInit->bitsPerSample = streaminfo.bitsPerSample;
pInit->totalPCMFrameCount = streaminfo.totalPCMFrameCount;
pInit->maxBlockSizeInPCMFrames = streaminfo.maxBlockSizeInPCMFrames;
pInit->hasMetadataBlocks = !isLastBlock;
if (onMeta) {
ma_dr_flac_metadata metadata;
metadata.type = MA_DR_FLAC_METADATA_BLOCK_TYPE_STREAMINFO;
metadata.pRawData = NULL;
metadata.rawDataSize = 0;
metadata.data.streaminfo = streaminfo;
onMeta(pUserDataMD, &metadata);
}
pInit->runningFilePos += pageBodySize;
pInit->oggFirstBytePos = pInit->runningFilePos - 79;
pInit->oggSerial = header.serialNumber;
pInit->oggBosHeader = header;
break;
} else {
return MA_FALSE;
}
} else {
return MA_FALSE;
}
} else {
if (!onSeek(pUserData, bytesRemainingInPage, MA_DR_FLAC_SEEK_CUR)) {
return MA_FALSE;
}
}
} else {
if (!onSeek(pUserData, bytesRemainingInPage, MA_DR_FLAC_SEEK_CUR)) {
return MA_FALSE;
}
}
} else {
if (!onSeek(pUserData, pageBodySize, MA_DR_FLAC_SEEK_CUR)) {
return MA_FALSE;
}
}
pInit->runningFilePos += pageBodySize;
if (ma_dr_flac_ogg__read_page_header(onRead, pUserData, &header, &bytesRead, &crc32) != MA_SUCCESS) {
return MA_FALSE;
}
pInit->runningFilePos += bytesRead;
}
pInit->hasMetadataBlocks = MA_TRUE;
return MA_TRUE;
}
#endif
static ma_bool32 ma_dr_flac__init_private(ma_dr_flac_init_info* pInit, ma_dr_flac_read_proc onRead, ma_dr_flac_seek_proc onSeek, ma_dr_flac_tell_proc onTell, ma_dr_flac_meta_proc onMeta, ma_dr_flac_container container, void* pUserData, void* pUserDataMD)
{
ma_bool32 relaxed;
ma_uint8 id[4];
if (pInit == NULL || onRead == NULL || onSeek == NULL) {
return MA_FALSE;
}
MA_DR_FLAC_ZERO_MEMORY(pInit, sizeof(*pInit));
pInit->onRead = onRead;
pInit->onSeek = onSeek;
pInit->onTell = onTell;
pInit->onMeta = onMeta;
pInit->container = container;
pInit->pUserData = pUserData;
pInit->pUserDataMD = pUserDataMD;
pInit->bs.onRead = onRead;
pInit->bs.onSeek = onSeek;
pInit->bs.onTell = onTell;
pInit->bs.pUserData = pUserData;
ma_dr_flac__reset_cache(&pInit->bs);
relaxed = container != ma_dr_flac_container_unknown;
for (;;) {
if (onRead(pUserData, id, 4) != 4) {
return MA_FALSE;
}
pInit->runningFilePos += 4;
if (id[0] == 'I' && id[1] == 'D' && id[2] == '3') {
ma_uint8 header[6];
ma_uint8 flags;
ma_uint32 headerSize;
if (onRead(pUserData, header, 6) != 6) {
return MA_FALSE;
}
pInit->runningFilePos += 6;
flags = header[1];
MA_DR_FLAC_COPY_MEMORY(&headerSize, header+2, 4);
headerSize = ma_dr_flac__unsynchsafe_32(ma_dr_flac__be2host_32(headerSize));
if (flags & 0x10) {
headerSize += 10;
}
if (!onSeek(pUserData, headerSize, MA_DR_FLAC_SEEK_CUR)) {
return MA_FALSE;
}
pInit->runningFilePos += headerSize;
} else {
break;
}
}
if (id[0] == 'f' && id[1] == 'L' && id[2] == 'a' && id[3] == 'C') {
return ma_dr_flac__init_private__native(pInit, onRead, onSeek, onMeta, pUserData, pUserDataMD, relaxed);
}
#ifndef MA_DR_FLAC_NO_OGG
if (id[0] == 'O' && id[1] == 'g' && id[2] == 'g' && id[3] == 'S') {
return ma_dr_flac__init_private__ogg(pInit, onRead, onSeek, onMeta, pUserData, pUserDataMD, relaxed);
}
#endif
if (relaxed) {
if (container == ma_dr_flac_container_native) {
return ma_dr_flac__init_private__native(pInit, onRead, onSeek, onMeta, pUserData, pUserDataMD, relaxed);
}
#ifndef MA_DR_FLAC_NO_OGG
if (container == ma_dr_flac_container_ogg) {
return ma_dr_flac__init_private__ogg(pInit, onRead, onSeek, onMeta, pUserData, pUserDataMD, relaxed);
}
#endif
}
return MA_FALSE;
}
static void ma_dr_flac__init_from_info(ma_dr_flac* pFlac, const ma_dr_flac_init_info* pInit)
{
MA_DR_FLAC_ASSERT(pFlac != NULL);
MA_DR_FLAC_ASSERT(pInit != NULL);
MA_DR_FLAC_ZERO_MEMORY(pFlac, sizeof(*pFlac));
pFlac->bs = pInit->bs;
pFlac->onMeta = pInit->onMeta;
pFlac->pUserDataMD = pInit->pUserDataMD;
pFlac->maxBlockSizeInPCMFrames = pInit->maxBlockSizeInPCMFrames;
pFlac->sampleRate = pInit->sampleRate;
pFlac->channels = (ma_uint8)pInit->channels;
pFlac->bitsPerSample = (ma_uint8)pInit->bitsPerSample;
pFlac->totalPCMFrameCount = pInit->totalPCMFrameCount;
pFlac->container = pInit->container;
}
static ma_dr_flac* ma_dr_flac_open_with_metadata_private(ma_dr_flac_read_proc onRead, ma_dr_flac_seek_proc onSeek, ma_dr_flac_tell_proc onTell, ma_dr_flac_meta_proc onMeta, ma_dr_flac_container container, void* pUserData, void* pUserDataMD, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_flac_init_info init;
ma_uint32 allocationSize;
ma_uint32 wholeSIMDVectorCountPerChannel;
ma_uint32 decodedSamplesAllocationSize;
#ifndef MA_DR_FLAC_NO_OGG
ma_dr_flac_oggbs* pOggbs = NULL;
#endif
ma_uint64 firstFramePos;
ma_uint64 seektablePos;
ma_uint32 seekpointCount;
ma_allocation_callbacks allocationCallbacks;
ma_dr_flac* pFlac;
ma_dr_flac__init_cpu_caps();
if (!ma_dr_flac__init_private(&init, onRead, onSeek, onTell, onMeta, container, pUserData, pUserDataMD)) {
return NULL;
}
if (pAllocationCallbacks != NULL) {
allocationCallbacks = *pAllocationCallbacks;
if (allocationCallbacks.onFree == NULL || (allocationCallbacks.onMalloc == NULL && allocationCallbacks.onRealloc == NULL)) {
return NULL;
}
} else {
allocationCallbacks.pUserData = NULL;
allocationCallbacks.onMalloc = ma_dr_flac__malloc_default;
allocationCallbacks.onRealloc = ma_dr_flac__realloc_default;
allocationCallbacks.onFree = ma_dr_flac__free_default;
}
allocationSize = sizeof(ma_dr_flac);
if ((init.maxBlockSizeInPCMFrames % (MA_DR_FLAC_MAX_SIMD_VECTOR_SIZE / sizeof(ma_int32))) == 0) {
wholeSIMDVectorCountPerChannel = (init.maxBlockSizeInPCMFrames / (MA_DR_FLAC_MAX_SIMD_VECTOR_SIZE / sizeof(ma_int32)));
} else {
wholeSIMDVectorCountPerChannel = (init.maxBlockSizeInPCMFrames / (MA_DR_FLAC_MAX_SIMD_VECTOR_SIZE / sizeof(ma_int32))) + 1;
}
decodedSamplesAllocationSize = wholeSIMDVectorCountPerChannel * MA_DR_FLAC_MAX_SIMD_VECTOR_SIZE * init.channels;
allocationSize += decodedSamplesAllocationSize;
allocationSize += MA_DR_FLAC_MAX_SIMD_VECTOR_SIZE;
#ifndef MA_DR_FLAC_NO_OGG
if (init.container == ma_dr_flac_container_ogg) {
allocationSize += sizeof(ma_dr_flac_oggbs);
pOggbs = (ma_dr_flac_oggbs*)ma_dr_flac__malloc_from_callbacks(sizeof(*pOggbs), &allocationCallbacks);
if (pOggbs == NULL) {
return NULL;
}
MA_DR_FLAC_ZERO_MEMORY(pOggbs, sizeof(*pOggbs));
pOggbs->onRead = onRead;
pOggbs->onSeek = onSeek;
pOggbs->onTell = onTell;
pOggbs->pUserData = pUserData;
pOggbs->currentBytePos = init.oggFirstBytePos;
pOggbs->firstBytePos = init.oggFirstBytePos;
pOggbs->serialNumber = init.oggSerial;
pOggbs->bosPageHeader = init.oggBosHeader;
pOggbs->bytesRemainingInPage = 0;
}
#endif
firstFramePos = 42;
seektablePos = 0;
seekpointCount = 0;
if (init.hasMetadataBlocks) {
ma_dr_flac_read_proc onReadOverride = onRead;
ma_dr_flac_seek_proc onSeekOverride = onSeek;
ma_dr_flac_tell_proc onTellOverride = onTell;
void* pUserDataOverride = pUserData;
#ifndef MA_DR_FLAC_NO_OGG
if (init.container == ma_dr_flac_container_ogg) {
onReadOverride = ma_dr_flac__on_read_ogg;
onSeekOverride = ma_dr_flac__on_seek_ogg;
onTellOverride = ma_dr_flac__on_tell_ogg;
pUserDataOverride = (void*)pOggbs;
}
#endif
if (!ma_dr_flac__read_and_decode_metadata(onReadOverride, onSeekOverride, onTellOverride, onMeta, pUserDataOverride, pUserDataMD, &firstFramePos, &seektablePos, &seekpointCount, &allocationCallbacks)) {
#ifndef MA_DR_FLAC_NO_OGG
ma_dr_flac__free_from_callbacks(pOggbs, &allocationCallbacks);
#endif
return NULL;
}
allocationSize += seekpointCount * sizeof(ma_dr_flac_seekpoint);
}
pFlac = (ma_dr_flac*)ma_dr_flac__malloc_from_callbacks(allocationSize, &allocationCallbacks);
if (pFlac == NULL) {
#ifndef MA_DR_FLAC_NO_OGG
ma_dr_flac__free_from_callbacks(pOggbs, &allocationCallbacks);
#endif
return NULL;
}
ma_dr_flac__init_from_info(pFlac, &init);
pFlac->allocationCallbacks = allocationCallbacks;
pFlac->pDecodedSamples = (ma_int32*)ma_dr_flac_align((size_t)pFlac->pExtraData, MA_DR_FLAC_MAX_SIMD_VECTOR_SIZE);
#ifndef MA_DR_FLAC_NO_OGG
if (init.container == ma_dr_flac_container_ogg) {
ma_dr_flac_oggbs* pInternalOggbs = (ma_dr_flac_oggbs*)((ma_uint8*)pFlac->pDecodedSamples + decodedSamplesAllocationSize + (seekpointCount * sizeof(ma_dr_flac_seekpoint)));
MA_DR_FLAC_COPY_MEMORY(pInternalOggbs, pOggbs, sizeof(*pOggbs));
ma_dr_flac__free_from_callbacks(pOggbs, &allocationCallbacks);
pOggbs = NULL;
pFlac->bs.onRead = ma_dr_flac__on_read_ogg;
pFlac->bs.onSeek = ma_dr_flac__on_seek_ogg;
pFlac->bs.onTell = ma_dr_flac__on_tell_ogg;
pFlac->bs.pUserData = (void*)pInternalOggbs;
pFlac->_oggbs = (void*)pInternalOggbs;
}
#endif
pFlac->firstFLACFramePosInBytes = firstFramePos;
#ifndef MA_DR_FLAC_NO_OGG
if (init.container == ma_dr_flac_container_ogg)
{
pFlac->pSeekpoints = NULL;
pFlac->seekpointCount = 0;
}
else
#endif
{
if (seektablePos != 0) {
pFlac->seekpointCount = seekpointCount;
pFlac->pSeekpoints = (ma_dr_flac_seekpoint*)((ma_uint8*)pFlac->pDecodedSamples + decodedSamplesAllocationSize);
MA_DR_FLAC_ASSERT(pFlac->bs.onSeek != NULL);
MA_DR_FLAC_ASSERT(pFlac->bs.onRead != NULL);
if (pFlac->bs.onSeek(pFlac->bs.pUserData, (int)seektablePos, MA_DR_FLAC_SEEK_SET)) {
ma_uint32 iSeekpoint;
for (iSeekpoint = 0; iSeekpoint < seekpointCount; iSeekpoint += 1) {
if (pFlac->bs.onRead(pFlac->bs.pUserData, pFlac->pSeekpoints + iSeekpoint, MA_DR_FLAC_SEEKPOINT_SIZE_IN_BYTES) == MA_DR_FLAC_SEEKPOINT_SIZE_IN_BYTES) {
pFlac->pSeekpoints[iSeekpoint].firstPCMFrame = ma_dr_flac__be2host_64(pFlac->pSeekpoints[iSeekpoint].firstPCMFrame);
pFlac->pSeekpoints[iSeekpoint].flacFrameOffset = ma_dr_flac__be2host_64(pFlac->pSeekpoints[iSeekpoint].flacFrameOffset);
pFlac->pSeekpoints[iSeekpoint].pcmFrameCount = ma_dr_flac__be2host_16(pFlac->pSeekpoints[iSeekpoint].pcmFrameCount);
} else {
pFlac->pSeekpoints = NULL;
pFlac->seekpointCount = 0;
break;
}
}
if (!pFlac->bs.onSeek(pFlac->bs.pUserData, (int)pFlac->firstFLACFramePosInBytes, MA_DR_FLAC_SEEK_SET)) {
ma_dr_flac__free_from_callbacks(pFlac, &allocationCallbacks);
return NULL;
}
} else {
pFlac->pSeekpoints = NULL;
pFlac->seekpointCount = 0;
}
}
}
if (!init.hasStreamInfoBlock) {
pFlac->currentFLACFrame.header = init.firstFrameHeader;
for (;;) {
ma_result result = ma_dr_flac__decode_flac_frame(pFlac);
if (result == MA_SUCCESS) {
break;
} else {
if (result == MA_CRC_MISMATCH) {
if (!ma_dr_flac__read_next_flac_frame_header(&pFlac->bs, pFlac->bitsPerSample, &pFlac->currentFLACFrame.header)) {
ma_dr_flac__free_from_callbacks(pFlac, &allocationCallbacks);
return NULL;
}
continue;
} else {
ma_dr_flac__free_from_callbacks(pFlac, &allocationCallbacks);
return NULL;
}
}
}
}
return pFlac;
}
#ifndef MA_DR_FLAC_NO_STDIO
#include <stdio.h>
#ifndef MA_DR_FLAC_NO_WCHAR
#include <wchar.h>
#endif
static size_t ma_dr_flac__on_read_stdio(void* pUserData, void* bufferOut, size_t bytesToRead)
{
return fread(bufferOut, 1, bytesToRead, (FILE*)pUserData);
}
static ma_bool32 ma_dr_flac__on_seek_stdio(void* pUserData, int offset, ma_dr_flac_seek_origin origin)
{
int whence = SEEK_SET;
if (origin == MA_DR_FLAC_SEEK_CUR) {
whence = SEEK_CUR;
} else if (origin == MA_DR_FLAC_SEEK_END) {
whence = SEEK_END;
}
return fseek((FILE*)pUserData, offset, whence) == 0;
}
static ma_bool32 ma_dr_flac__on_tell_stdio(void* pUserData, ma_int64* pCursor)
{
FILE* pFileStdio = (FILE*)pUserData;
ma_int64 result;
MA_DR_FLAC_ASSERT(pFileStdio != NULL);
MA_DR_FLAC_ASSERT(pCursor != NULL);
#if defined(_WIN32) && !defined(NXDK)
#if defined(_MSC_VER) && _MSC_VER > 1200
result = _ftelli64(pFileStdio);
#else
result = ftell(pFileStdio);
#endif
#else
result = ftell(pFileStdio);
#endif
*pCursor = result;
return MA_TRUE;
}
MA_API ma_dr_flac* ma_dr_flac_open_file(const char* pFileName, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_flac* pFlac;
FILE* pFile;
if (ma_fopen(&pFile, pFileName, "rb") != MA_SUCCESS) {
return NULL;
}
pFlac = ma_dr_flac_open(ma_dr_flac__on_read_stdio, ma_dr_flac__on_seek_stdio, ma_dr_flac__on_tell_stdio, (void*)pFile, pAllocationCallbacks);
if (pFlac == NULL) {
fclose(pFile);
return NULL;
}
return pFlac;
}
#ifndef MA_DR_FLAC_NO_WCHAR
MA_API ma_dr_flac* ma_dr_flac_open_file_w(const wchar_t* pFileName, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_flac* pFlac;
FILE* pFile;
if (ma_wfopen(&pFile, pFileName, L"rb", pAllocationCallbacks) != MA_SUCCESS) {
return NULL;
}
pFlac = ma_dr_flac_open(ma_dr_flac__on_read_stdio, ma_dr_flac__on_seek_stdio, ma_dr_flac__on_tell_stdio, (void*)pFile, pAllocationCallbacks);
if (pFlac == NULL) {
fclose(pFile);
return NULL;
}
return pFlac;
}
#endif
MA_API ma_dr_flac* ma_dr_flac_open_file_with_metadata(const char* pFileName, ma_dr_flac_meta_proc onMeta, void* pUserData, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_flac* pFlac;
FILE* pFile;
if (ma_fopen(&pFile, pFileName, "rb") != MA_SUCCESS) {
return NULL;
}
pFlac = ma_dr_flac_open_with_metadata_private(ma_dr_flac__on_read_stdio, ma_dr_flac__on_seek_stdio, ma_dr_flac__on_tell_stdio, onMeta, ma_dr_flac_container_unknown, (void*)pFile, pUserData, pAllocationCallbacks);
if (pFlac == NULL) {
fclose(pFile);
return pFlac;
}
return pFlac;
}
#ifndef MA_DR_FLAC_NO_WCHAR
MA_API ma_dr_flac* ma_dr_flac_open_file_with_metadata_w(const wchar_t* pFileName, ma_dr_flac_meta_proc onMeta, void* pUserData, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_flac* pFlac;
FILE* pFile;
if (ma_wfopen(&pFile, pFileName, L"rb", pAllocationCallbacks) != MA_SUCCESS) {
return NULL;
}
pFlac = ma_dr_flac_open_with_metadata_private(ma_dr_flac__on_read_stdio, ma_dr_flac__on_seek_stdio, ma_dr_flac__on_tell_stdio, onMeta, ma_dr_flac_container_unknown, (void*)pFile, pUserData, pAllocationCallbacks);
if (pFlac == NULL) {
fclose(pFile);
return pFlac;
}
return pFlac;
}
#endif
#endif
static size_t ma_dr_flac__on_read_memory(void* pUserData, void* bufferOut, size_t bytesToRead)
{
ma_dr_flac__memory_stream* memoryStream = (ma_dr_flac__memory_stream*)pUserData;
size_t bytesRemaining;
MA_DR_FLAC_ASSERT(memoryStream != NULL);
MA_DR_FLAC_ASSERT(memoryStream->dataSize >= memoryStream->currentReadPos);
bytesRemaining = memoryStream->dataSize - memoryStream->currentReadPos;
if (bytesToRead > bytesRemaining) {
bytesToRead = bytesRemaining;
}
if (bytesToRead > 0) {
MA_DR_FLAC_COPY_MEMORY(bufferOut, memoryStream->data + memoryStream->currentReadPos, bytesToRead);
memoryStream->currentReadPos += bytesToRead;
}
return bytesToRead;
}
static ma_bool32 ma_dr_flac__on_seek_memory(void* pUserData, int offset, ma_dr_flac_seek_origin origin)
{
ma_dr_flac__memory_stream* memoryStream = (ma_dr_flac__memory_stream*)pUserData;
ma_int64 newCursor;
MA_DR_FLAC_ASSERT(memoryStream != NULL);
if (origin == MA_DR_FLAC_SEEK_SET) {
newCursor = 0;
} else if (origin == MA_DR_FLAC_SEEK_CUR) {
newCursor = (ma_int64)memoryStream->currentReadPos;
} else if (origin == MA_DR_FLAC_SEEK_END) {
newCursor = (ma_int64)memoryStream->dataSize;
} else {
MA_DR_FLAC_ASSERT(!"Invalid seek origin");
return MA_FALSE;
}
newCursor += offset;
if (newCursor < 0) {
return MA_FALSE;
}
if ((size_t)newCursor > memoryStream->dataSize) {
return MA_FALSE;
}
memoryStream->currentReadPos = (size_t)newCursor;
return MA_TRUE;
}
static ma_bool32 ma_dr_flac__on_tell_memory(void* pUserData, ma_int64* pCursor)
{
ma_dr_flac__memory_stream* memoryStream = (ma_dr_flac__memory_stream*)pUserData;
MA_DR_FLAC_ASSERT(memoryStream != NULL);
MA_DR_FLAC_ASSERT(pCursor != NULL);
*pCursor = (ma_int64)memoryStream->currentReadPos;
return MA_TRUE;
}
MA_API ma_dr_flac* ma_dr_flac_open_memory(const void* pData, size_t dataSize, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_flac__memory_stream memoryStream;
ma_dr_flac* pFlac;
memoryStream.data = (const ma_uint8*)pData;
memoryStream.dataSize = dataSize;
memoryStream.currentReadPos = 0;
pFlac = ma_dr_flac_open(ma_dr_flac__on_read_memory, ma_dr_flac__on_seek_memory, ma_dr_flac__on_tell_memory, &memoryStream, pAllocationCallbacks);
if (pFlac == NULL) {
return NULL;
}
pFlac->memoryStream = memoryStream;
#ifndef MA_DR_FLAC_NO_OGG
if (pFlac->container == ma_dr_flac_container_ogg)
{
ma_dr_flac_oggbs* oggbs = (ma_dr_flac_oggbs*)pFlac->_oggbs;
oggbs->pUserData = &pFlac->memoryStream;
}
else
#endif
{
pFlac->bs.pUserData = &pFlac->memoryStream;
}
return pFlac;
}
MA_API ma_dr_flac* ma_dr_flac_open_memory_with_metadata(const void* pData, size_t dataSize, ma_dr_flac_meta_proc onMeta, void* pUserData, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_flac__memory_stream memoryStream;
ma_dr_flac* pFlac;
memoryStream.data = (const ma_uint8*)pData;
memoryStream.dataSize = dataSize;
memoryStream.currentReadPos = 0;
pFlac = ma_dr_flac_open_with_metadata_private(ma_dr_flac__on_read_memory, ma_dr_flac__on_seek_memory, ma_dr_flac__on_tell_memory, onMeta, ma_dr_flac_container_unknown, &memoryStream, pUserData, pAllocationCallbacks);
if (pFlac == NULL) {
return NULL;
}
pFlac->memoryStream = memoryStream;
#ifndef MA_DR_FLAC_NO_OGG
if (pFlac->container == ma_dr_flac_container_ogg)
{
ma_dr_flac_oggbs* oggbs = (ma_dr_flac_oggbs*)pFlac->_oggbs;
oggbs->pUserData = &pFlac->memoryStream;
}
else
#endif
{
pFlac->bs.pUserData = &pFlac->memoryStream;
}
return pFlac;
}
MA_API ma_dr_flac* ma_dr_flac_open(ma_dr_flac_read_proc onRead, ma_dr_flac_seek_proc onSeek, ma_dr_flac_tell_proc onTell, void* pUserData, const ma_allocation_callbacks* pAllocationCallbacks)
{
return ma_dr_flac_open_with_metadata_private(onRead, onSeek, onTell, NULL, ma_dr_flac_container_unknown, pUserData, pUserData, pAllocationCallbacks);
}
MA_API ma_dr_flac* ma_dr_flac_open_relaxed(ma_dr_flac_read_proc onRead, ma_dr_flac_seek_proc onSeek, ma_dr_flac_tell_proc onTell, ma_dr_flac_container container, void* pUserData, const ma_allocation_callbacks* pAllocationCallbacks)
{
return ma_dr_flac_open_with_metadata_private(onRead, onSeek, onTell, NULL, container, pUserData, pUserData, pAllocationCallbacks);
}
MA_API ma_dr_flac* ma_dr_flac_open_with_metadata(ma_dr_flac_read_proc onRead, ma_dr_flac_seek_proc onSeek, ma_dr_flac_tell_proc onTell, ma_dr_flac_meta_proc onMeta, void* pUserData, const ma_allocation_callbacks* pAllocationCallbacks)
{
return ma_dr_flac_open_with_metadata_private(onRead, onSeek, onTell, onMeta, ma_dr_flac_container_unknown, pUserData, pUserData, pAllocationCallbacks);
}
MA_API ma_dr_flac* ma_dr_flac_open_with_metadata_relaxed(ma_dr_flac_read_proc onRead, ma_dr_flac_seek_proc onSeek, ma_dr_flac_tell_proc onTell, ma_dr_flac_meta_proc onMeta, ma_dr_flac_container container, void* pUserData, const ma_allocation_callbacks* pAllocationCallbacks)
{
return ma_dr_flac_open_with_metadata_private(onRead, onSeek, onTell, onMeta, container, pUserData, pUserData, pAllocationCallbacks);
}
MA_API void ma_dr_flac_close(ma_dr_flac* pFlac)
{
if (pFlac == NULL) {
return;
}
#ifndef MA_DR_FLAC_NO_STDIO
if (pFlac->bs.onRead == ma_dr_flac__on_read_stdio) {
fclose((FILE*)pFlac->bs.pUserData);
}
#ifndef MA_DR_FLAC_NO_OGG
if (pFlac->container == ma_dr_flac_container_ogg) {
ma_dr_flac_oggbs* oggbs = (ma_dr_flac_oggbs*)pFlac->_oggbs;
MA_DR_FLAC_ASSERT(pFlac->bs.onRead == ma_dr_flac__on_read_ogg);
if (oggbs->onRead == ma_dr_flac__on_read_stdio) {
fclose((FILE*)oggbs->pUserData);
}
}
#endif
#endif
ma_dr_flac__free_from_callbacks(pFlac, &pFlac->allocationCallbacks);
}
#if 0
static MA_INLINE void ma_dr_flac_read_pcm_frames_s32__decode_left_side__reference(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int32* pOutputSamples)
{
ma_uint64 i;
for (i = 0; i < frameCount; ++i) {
ma_uint32 left = (ma_uint32)pInputSamples0[i] << (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample);
ma_uint32 side = (ma_uint32)pInputSamples1[i] << (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample);
ma_uint32 right = left - side;
pOutputSamples[i*2+0] = (ma_int32)left;
pOutputSamples[i*2+1] = (ma_int32)right;
}
}
#endif
static MA_INLINE void ma_dr_flac_read_pcm_frames_s32__decode_left_side__scalar(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int32* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift0 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 shift1 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
for (i = 0; i < frameCount4; ++i) {
ma_uint32 left0 = pInputSamples0U32[i*4+0] << shift0;
ma_uint32 left1 = pInputSamples0U32[i*4+1] << shift0;
ma_uint32 left2 = pInputSamples0U32[i*4+2] << shift0;
ma_uint32 left3 = pInputSamples0U32[i*4+3] << shift0;
ma_uint32 side0 = pInputSamples1U32[i*4+0] << shift1;
ma_uint32 side1 = pInputSamples1U32[i*4+1] << shift1;
ma_uint32 side2 = pInputSamples1U32[i*4+2] << shift1;
ma_uint32 side3 = pInputSamples1U32[i*4+3] << shift1;
ma_uint32 right0 = left0 - side0;
ma_uint32 right1 = left1 - side1;
ma_uint32 right2 = left2 - side2;
ma_uint32 right3 = left3 - side3;
pOutputSamples[i*8+0] = (ma_int32)left0;
pOutputSamples[i*8+1] = (ma_int32)right0;
pOutputSamples[i*8+2] = (ma_int32)left1;
pOutputSamples[i*8+3] = (ma_int32)right1;
pOutputSamples[i*8+4] = (ma_int32)left2;
pOutputSamples[i*8+5] = (ma_int32)right2;
pOutputSamples[i*8+6] = (ma_int32)left3;
pOutputSamples[i*8+7] = (ma_int32)right3;
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 left = pInputSamples0U32[i] << shift0;
ma_uint32 side = pInputSamples1U32[i] << shift1;
ma_uint32 right = left - side;
pOutputSamples[i*2+0] = (ma_int32)left;
pOutputSamples[i*2+1] = (ma_int32)right;
}
}
#if defined(MA_DR_FLAC_SUPPORT_SSE2)
static MA_INLINE void ma_dr_flac_read_pcm_frames_s32__decode_left_side__sse2(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int32* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift0 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 shift1 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
MA_DR_FLAC_ASSERT(pFlac->bitsPerSample <= 24);
for (i = 0; i < frameCount4; ++i) {
__m128i left = _mm_slli_epi32(_mm_loadu_si128((const __m128i*)pInputSamples0 + i), shift0);
__m128i side = _mm_slli_epi32(_mm_loadu_si128((const __m128i*)pInputSamples1 + i), shift1);
__m128i right = _mm_sub_epi32(left, side);
_mm_storeu_si128((__m128i*)(pOutputSamples + i*8 + 0), _mm_unpacklo_epi32(left, right));
_mm_storeu_si128((__m128i*)(pOutputSamples + i*8 + 4), _mm_unpackhi_epi32(left, right));
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 left = pInputSamples0U32[i] << shift0;
ma_uint32 side = pInputSamples1U32[i] << shift1;
ma_uint32 right = left - side;
pOutputSamples[i*2+0] = (ma_int32)left;
pOutputSamples[i*2+1] = (ma_int32)right;
}
}
#endif
#if defined(MA_DR_FLAC_SUPPORT_NEON)
static MA_INLINE void ma_dr_flac_read_pcm_frames_s32__decode_left_side__neon(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int32* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift0 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 shift1 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
int32x4_t shift0_4;
int32x4_t shift1_4;
MA_DR_FLAC_ASSERT(pFlac->bitsPerSample <= 24);
shift0_4 = vdupq_n_s32(shift0);
shift1_4 = vdupq_n_s32(shift1);
for (i = 0; i < frameCount4; ++i) {
uint32x4_t left;
uint32x4_t side;
uint32x4_t right;
left = vshlq_u32(vld1q_u32(pInputSamples0U32 + i*4), shift0_4);
side = vshlq_u32(vld1q_u32(pInputSamples1U32 + i*4), shift1_4);
right = vsubq_u32(left, side);
ma_dr_flac__vst2q_u32((ma_uint32*)pOutputSamples + i*8, vzipq_u32(left, right));
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 left = pInputSamples0U32[i] << shift0;
ma_uint32 side = pInputSamples1U32[i] << shift1;
ma_uint32 right = left - side;
pOutputSamples[i*2+0] = (ma_int32)left;
pOutputSamples[i*2+1] = (ma_int32)right;
}
}
#endif
static MA_INLINE void ma_dr_flac_read_pcm_frames_s32__decode_left_side(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int32* pOutputSamples)
{
#if defined(MA_DR_FLAC_SUPPORT_SSE2)
if (ma_dr_flac__gIsSSE2Supported && pFlac->bitsPerSample <= 24) {
ma_dr_flac_read_pcm_frames_s32__decode_left_side__sse2(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
} else
#elif defined(MA_DR_FLAC_SUPPORT_NEON)
if (ma_dr_flac__gIsNEONSupported && pFlac->bitsPerSample <= 24) {
ma_dr_flac_read_pcm_frames_s32__decode_left_side__neon(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
} else
#endif
{
#if 0
ma_dr_flac_read_pcm_frames_s32__decode_left_side__reference(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
#else
ma_dr_flac_read_pcm_frames_s32__decode_left_side__scalar(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
#endif
}
}
#if 0
static MA_INLINE void ma_dr_flac_read_pcm_frames_s32__decode_right_side__reference(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int32* pOutputSamples)
{
ma_uint64 i;
for (i = 0; i < frameCount; ++i) {
ma_uint32 side = (ma_uint32)pInputSamples0[i] << (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample);
ma_uint32 right = (ma_uint32)pInputSamples1[i] << (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample);
ma_uint32 left = right + side;
pOutputSamples[i*2+0] = (ma_int32)left;
pOutputSamples[i*2+1] = (ma_int32)right;
}
}
#endif
static MA_INLINE void ma_dr_flac_read_pcm_frames_s32__decode_right_side__scalar(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int32* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift0 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 shift1 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
for (i = 0; i < frameCount4; ++i) {
ma_uint32 side0 = pInputSamples0U32[i*4+0] << shift0;
ma_uint32 side1 = pInputSamples0U32[i*4+1] << shift0;
ma_uint32 side2 = pInputSamples0U32[i*4+2] << shift0;
ma_uint32 side3 = pInputSamples0U32[i*4+3] << shift0;
ma_uint32 right0 = pInputSamples1U32[i*4+0] << shift1;
ma_uint32 right1 = pInputSamples1U32[i*4+1] << shift1;
ma_uint32 right2 = pInputSamples1U32[i*4+2] << shift1;
ma_uint32 right3 = pInputSamples1U32[i*4+3] << shift1;
ma_uint32 left0 = right0 + side0;
ma_uint32 left1 = right1 + side1;
ma_uint32 left2 = right2 + side2;
ma_uint32 left3 = right3 + side3;
pOutputSamples[i*8+0] = (ma_int32)left0;
pOutputSamples[i*8+1] = (ma_int32)right0;
pOutputSamples[i*8+2] = (ma_int32)left1;
pOutputSamples[i*8+3] = (ma_int32)right1;
pOutputSamples[i*8+4] = (ma_int32)left2;
pOutputSamples[i*8+5] = (ma_int32)right2;
pOutputSamples[i*8+6] = (ma_int32)left3;
pOutputSamples[i*8+7] = (ma_int32)right3;
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 side = pInputSamples0U32[i] << shift0;
ma_uint32 right = pInputSamples1U32[i] << shift1;
ma_uint32 left = right + side;
pOutputSamples[i*2+0] = (ma_int32)left;
pOutputSamples[i*2+1] = (ma_int32)right;
}
}
#if defined(MA_DR_FLAC_SUPPORT_SSE2)
static MA_INLINE void ma_dr_flac_read_pcm_frames_s32__decode_right_side__sse2(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int32* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift0 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 shift1 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
MA_DR_FLAC_ASSERT(pFlac->bitsPerSample <= 24);
for (i = 0; i < frameCount4; ++i) {
__m128i side = _mm_slli_epi32(_mm_loadu_si128((const __m128i*)pInputSamples0 + i), shift0);
__m128i right = _mm_slli_epi32(_mm_loadu_si128((const __m128i*)pInputSamples1 + i), shift1);
__m128i left = _mm_add_epi32(right, side);
_mm_storeu_si128((__m128i*)(pOutputSamples + i*8 + 0), _mm_unpacklo_epi32(left, right));
_mm_storeu_si128((__m128i*)(pOutputSamples + i*8 + 4), _mm_unpackhi_epi32(left, right));
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 side = pInputSamples0U32[i] << shift0;
ma_uint32 right = pInputSamples1U32[i] << shift1;
ma_uint32 left = right + side;
pOutputSamples[i*2+0] = (ma_int32)left;
pOutputSamples[i*2+1] = (ma_int32)right;
}
}
#endif
#if defined(MA_DR_FLAC_SUPPORT_NEON)
static MA_INLINE void ma_dr_flac_read_pcm_frames_s32__decode_right_side__neon(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int32* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift0 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 shift1 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
int32x4_t shift0_4;
int32x4_t shift1_4;
MA_DR_FLAC_ASSERT(pFlac->bitsPerSample <= 24);
shift0_4 = vdupq_n_s32(shift0);
shift1_4 = vdupq_n_s32(shift1);
for (i = 0; i < frameCount4; ++i) {
uint32x4_t side;
uint32x4_t right;
uint32x4_t left;
side = vshlq_u32(vld1q_u32(pInputSamples0U32 + i*4), shift0_4);
right = vshlq_u32(vld1q_u32(pInputSamples1U32 + i*4), shift1_4);
left = vaddq_u32(right, side);
ma_dr_flac__vst2q_u32((ma_uint32*)pOutputSamples + i*8, vzipq_u32(left, right));
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 side = pInputSamples0U32[i] << shift0;
ma_uint32 right = pInputSamples1U32[i] << shift1;
ma_uint32 left = right + side;
pOutputSamples[i*2+0] = (ma_int32)left;
pOutputSamples[i*2+1] = (ma_int32)right;
}
}
#endif
static MA_INLINE void ma_dr_flac_read_pcm_frames_s32__decode_right_side(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int32* pOutputSamples)
{
#if defined(MA_DR_FLAC_SUPPORT_SSE2)
if (ma_dr_flac__gIsSSE2Supported && pFlac->bitsPerSample <= 24) {
ma_dr_flac_read_pcm_frames_s32__decode_right_side__sse2(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
} else
#elif defined(MA_DR_FLAC_SUPPORT_NEON)
if (ma_dr_flac__gIsNEONSupported && pFlac->bitsPerSample <= 24) {
ma_dr_flac_read_pcm_frames_s32__decode_right_side__neon(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
} else
#endif
{
#if 0
ma_dr_flac_read_pcm_frames_s32__decode_right_side__reference(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
#else
ma_dr_flac_read_pcm_frames_s32__decode_right_side__scalar(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
#endif
}
}
#if 0
static MA_INLINE void ma_dr_flac_read_pcm_frames_s32__decode_mid_side__reference(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int32* pOutputSamples)
{
for (ma_uint64 i = 0; i < frameCount; ++i) {
ma_uint32 mid = pInputSamples0U32[i] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 side = pInputSamples1U32[i] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
mid = (mid << 1) | (side & 0x01);
pOutputSamples[i*2+0] = (ma_int32)((ma_uint32)((ma_int32)(mid + side) >> 1) << unusedBitsPerSample);
pOutputSamples[i*2+1] = (ma_int32)((ma_uint32)((ma_int32)(mid - side) >> 1) << unusedBitsPerSample);
}
}
#endif
static MA_INLINE void ma_dr_flac_read_pcm_frames_s32__decode_mid_side__scalar(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int32* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_int32 shift = unusedBitsPerSample;
if (shift > 0) {
shift -= 1;
for (i = 0; i < frameCount4; ++i) {
ma_uint32 temp0L;
ma_uint32 temp1L;
ma_uint32 temp2L;
ma_uint32 temp3L;
ma_uint32 temp0R;
ma_uint32 temp1R;
ma_uint32 temp2R;
ma_uint32 temp3R;
ma_uint32 mid0 = pInputSamples0U32[i*4+0] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 mid1 = pInputSamples0U32[i*4+1] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 mid2 = pInputSamples0U32[i*4+2] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 mid3 = pInputSamples0U32[i*4+3] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 side0 = pInputSamples1U32[i*4+0] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
ma_uint32 side1 = pInputSamples1U32[i*4+1] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
ma_uint32 side2 = pInputSamples1U32[i*4+2] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
ma_uint32 side3 = pInputSamples1U32[i*4+3] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
mid0 = (mid0 << 1) | (side0 & 0x01);
mid1 = (mid1 << 1) | (side1 & 0x01);
mid2 = (mid2 << 1) | (side2 & 0x01);
mid3 = (mid3 << 1) | (side3 & 0x01);
temp0L = (mid0 + side0) << shift;
temp1L = (mid1 + side1) << shift;
temp2L = (mid2 + side2) << shift;
temp3L = (mid3 + side3) << shift;
temp0R = (mid0 - side0) << shift;
temp1R = (mid1 - side1) << shift;
temp2R = (mid2 - side2) << shift;
temp3R = (mid3 - side3) << shift;
pOutputSamples[i*8+0] = (ma_int32)temp0L;
pOutputSamples[i*8+1] = (ma_int32)temp0R;
pOutputSamples[i*8+2] = (ma_int32)temp1L;
pOutputSamples[i*8+3] = (ma_int32)temp1R;
pOutputSamples[i*8+4] = (ma_int32)temp2L;
pOutputSamples[i*8+5] = (ma_int32)temp2R;
pOutputSamples[i*8+6] = (ma_int32)temp3L;
pOutputSamples[i*8+7] = (ma_int32)temp3R;
}
} else {
for (i = 0; i < frameCount4; ++i) {
ma_uint32 temp0L;
ma_uint32 temp1L;
ma_uint32 temp2L;
ma_uint32 temp3L;
ma_uint32 temp0R;
ma_uint32 temp1R;
ma_uint32 temp2R;
ma_uint32 temp3R;
ma_uint32 mid0 = pInputSamples0U32[i*4+0] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 mid1 = pInputSamples0U32[i*4+1] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 mid2 = pInputSamples0U32[i*4+2] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 mid3 = pInputSamples0U32[i*4+3] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 side0 = pInputSamples1U32[i*4+0] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
ma_uint32 side1 = pInputSamples1U32[i*4+1] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
ma_uint32 side2 = pInputSamples1U32[i*4+2] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
ma_uint32 side3 = pInputSamples1U32[i*4+3] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
mid0 = (mid0 << 1) | (side0 & 0x01);
mid1 = (mid1 << 1) | (side1 & 0x01);
mid2 = (mid2 << 1) | (side2 & 0x01);
mid3 = (mid3 << 1) | (side3 & 0x01);
temp0L = (ma_uint32)((ma_int32)(mid0 + side0) >> 1);
temp1L = (ma_uint32)((ma_int32)(mid1 + side1) >> 1);
temp2L = (ma_uint32)((ma_int32)(mid2 + side2) >> 1);
temp3L = (ma_uint32)((ma_int32)(mid3 + side3) >> 1);
temp0R = (ma_uint32)((ma_int32)(mid0 - side0) >> 1);
temp1R = (ma_uint32)((ma_int32)(mid1 - side1) >> 1);
temp2R = (ma_uint32)((ma_int32)(mid2 - side2) >> 1);
temp3R = (ma_uint32)((ma_int32)(mid3 - side3) >> 1);
pOutputSamples[i*8+0] = (ma_int32)temp0L;
pOutputSamples[i*8+1] = (ma_int32)temp0R;
pOutputSamples[i*8+2] = (ma_int32)temp1L;
pOutputSamples[i*8+3] = (ma_int32)temp1R;
pOutputSamples[i*8+4] = (ma_int32)temp2L;
pOutputSamples[i*8+5] = (ma_int32)temp2R;
pOutputSamples[i*8+6] = (ma_int32)temp3L;
pOutputSamples[i*8+7] = (ma_int32)temp3R;
}
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 mid = pInputSamples0U32[i] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 side = pInputSamples1U32[i] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
mid = (mid << 1) | (side & 0x01);
pOutputSamples[i*2+0] = (ma_int32)((ma_uint32)((ma_int32)(mid + side) >> 1) << unusedBitsPerSample);
pOutputSamples[i*2+1] = (ma_int32)((ma_uint32)((ma_int32)(mid - side) >> 1) << unusedBitsPerSample);
}
}
#if defined(MA_DR_FLAC_SUPPORT_SSE2)
static MA_INLINE void ma_dr_flac_read_pcm_frames_s32__decode_mid_side__sse2(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int32* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_int32 shift = unusedBitsPerSample;
MA_DR_FLAC_ASSERT(pFlac->bitsPerSample <= 24);
if (shift == 0) {
for (i = 0; i < frameCount4; ++i) {
__m128i mid;
__m128i side;
__m128i left;
__m128i right;
mid = _mm_slli_epi32(_mm_loadu_si128((const __m128i*)pInputSamples0 + i), pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample);
side = _mm_slli_epi32(_mm_loadu_si128((const __m128i*)pInputSamples1 + i), pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample);
mid = _mm_or_si128(_mm_slli_epi32(mid, 1), _mm_and_si128(side, _mm_set1_epi32(0x01)));
left = _mm_srai_epi32(_mm_add_epi32(mid, side), 1);
right = _mm_srai_epi32(_mm_sub_epi32(mid, side), 1);
_mm_storeu_si128((__m128i*)(pOutputSamples + i*8 + 0), _mm_unpacklo_epi32(left, right));
_mm_storeu_si128((__m128i*)(pOutputSamples + i*8 + 4), _mm_unpackhi_epi32(left, right));
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 mid = pInputSamples0U32[i] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 side = pInputSamples1U32[i] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
mid = (mid << 1) | (side & 0x01);
pOutputSamples[i*2+0] = (ma_int32)(mid + side) >> 1;
pOutputSamples[i*2+1] = (ma_int32)(mid - side) >> 1;
}
} else {
shift -= 1;
for (i = 0; i < frameCount4; ++i) {
__m128i mid;
__m128i side;
__m128i left;
__m128i right;
mid = _mm_slli_epi32(_mm_loadu_si128((const __m128i*)pInputSamples0 + i), pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample);
side = _mm_slli_epi32(_mm_loadu_si128((const __m128i*)pInputSamples1 + i), pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample);
mid = _mm_or_si128(_mm_slli_epi32(mid, 1), _mm_and_si128(side, _mm_set1_epi32(0x01)));
left = _mm_slli_epi32(_mm_add_epi32(mid, side), shift);
right = _mm_slli_epi32(_mm_sub_epi32(mid, side), shift);
_mm_storeu_si128((__m128i*)(pOutputSamples + i*8 + 0), _mm_unpacklo_epi32(left, right));
_mm_storeu_si128((__m128i*)(pOutputSamples + i*8 + 4), _mm_unpackhi_epi32(left, right));
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 mid = pInputSamples0U32[i] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 side = pInputSamples1U32[i] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
mid = (mid << 1) | (side & 0x01);
pOutputSamples[i*2+0] = (ma_int32)((mid + side) << shift);
pOutputSamples[i*2+1] = (ma_int32)((mid - side) << shift);
}
}
}
#endif
#if defined(MA_DR_FLAC_SUPPORT_NEON)
static MA_INLINE void ma_dr_flac_read_pcm_frames_s32__decode_mid_side__neon(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int32* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_int32 shift = unusedBitsPerSample;
int32x4_t wbpsShift0_4;
int32x4_t wbpsShift1_4;
uint32x4_t one4;
MA_DR_FLAC_ASSERT(pFlac->bitsPerSample <= 24);
wbpsShift0_4 = vdupq_n_s32(pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample);
wbpsShift1_4 = vdupq_n_s32(pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample);
one4 = vdupq_n_u32(1);
if (shift == 0) {
for (i = 0; i < frameCount4; ++i) {
uint32x4_t mid;
uint32x4_t side;
int32x4_t left;
int32x4_t right;
mid = vshlq_u32(vld1q_u32(pInputSamples0U32 + i*4), wbpsShift0_4);
side = vshlq_u32(vld1q_u32(pInputSamples1U32 + i*4), wbpsShift1_4);
mid = vorrq_u32(vshlq_n_u32(mid, 1), vandq_u32(side, one4));
left = vshrq_n_s32(vreinterpretq_s32_u32(vaddq_u32(mid, side)), 1);
right = vshrq_n_s32(vreinterpretq_s32_u32(vsubq_u32(mid, side)), 1);
ma_dr_flac__vst2q_s32(pOutputSamples + i*8, vzipq_s32(left, right));
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 mid = pInputSamples0U32[i] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 side = pInputSamples1U32[i] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
mid = (mid << 1) | (side & 0x01);
pOutputSamples[i*2+0] = (ma_int32)(mid + side) >> 1;
pOutputSamples[i*2+1] = (ma_int32)(mid - side) >> 1;
}
} else {
int32x4_t shift4;
shift -= 1;
shift4 = vdupq_n_s32(shift);
for (i = 0; i < frameCount4; ++i) {
uint32x4_t mid;
uint32x4_t side;
int32x4_t left;
int32x4_t right;
mid = vshlq_u32(vld1q_u32(pInputSamples0U32 + i*4), wbpsShift0_4);
side = vshlq_u32(vld1q_u32(pInputSamples1U32 + i*4), wbpsShift1_4);
mid = vorrq_u32(vshlq_n_u32(mid, 1), vandq_u32(side, one4));
left = vreinterpretq_s32_u32(vshlq_u32(vaddq_u32(mid, side), shift4));
right = vreinterpretq_s32_u32(vshlq_u32(vsubq_u32(mid, side), shift4));
ma_dr_flac__vst2q_s32(pOutputSamples + i*8, vzipq_s32(left, right));
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 mid = pInputSamples0U32[i] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 side = pInputSamples1U32[i] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
mid = (mid << 1) | (side & 0x01);
pOutputSamples[i*2+0] = (ma_int32)((mid + side) << shift);
pOutputSamples[i*2+1] = (ma_int32)((mid - side) << shift);
}
}
}
#endif
static MA_INLINE void ma_dr_flac_read_pcm_frames_s32__decode_mid_side(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int32* pOutputSamples)
{
#if defined(MA_DR_FLAC_SUPPORT_SSE2)
if (ma_dr_flac__gIsSSE2Supported && pFlac->bitsPerSample <= 24) {
ma_dr_flac_read_pcm_frames_s32__decode_mid_side__sse2(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
} else
#elif defined(MA_DR_FLAC_SUPPORT_NEON)
if (ma_dr_flac__gIsNEONSupported && pFlac->bitsPerSample <= 24) {
ma_dr_flac_read_pcm_frames_s32__decode_mid_side__neon(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
} else
#endif
{
#if 0
ma_dr_flac_read_pcm_frames_s32__decode_mid_side__reference(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
#else
ma_dr_flac_read_pcm_frames_s32__decode_mid_side__scalar(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
#endif
}
}
#if 0
static MA_INLINE void ma_dr_flac_read_pcm_frames_s32__decode_independent_stereo__reference(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int32* pOutputSamples)
{
for (ma_uint64 i = 0; i < frameCount; ++i) {
pOutputSamples[i*2+0] = (ma_int32)((ma_uint32)pInputSamples0[i] << (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample));
pOutputSamples[i*2+1] = (ma_int32)((ma_uint32)pInputSamples1[i] << (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample));
}
}
#endif
static MA_INLINE void ma_dr_flac_read_pcm_frames_s32__decode_independent_stereo__scalar(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int32* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift0 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 shift1 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
for (i = 0; i < frameCount4; ++i) {
ma_uint32 tempL0 = pInputSamples0U32[i*4+0] << shift0;
ma_uint32 tempL1 = pInputSamples0U32[i*4+1] << shift0;
ma_uint32 tempL2 = pInputSamples0U32[i*4+2] << shift0;
ma_uint32 tempL3 = pInputSamples0U32[i*4+3] << shift0;
ma_uint32 tempR0 = pInputSamples1U32[i*4+0] << shift1;
ma_uint32 tempR1 = pInputSamples1U32[i*4+1] << shift1;
ma_uint32 tempR2 = pInputSamples1U32[i*4+2] << shift1;
ma_uint32 tempR3 = pInputSamples1U32[i*4+3] << shift1;
pOutputSamples[i*8+0] = (ma_int32)tempL0;
pOutputSamples[i*8+1] = (ma_int32)tempR0;
pOutputSamples[i*8+2] = (ma_int32)tempL1;
pOutputSamples[i*8+3] = (ma_int32)tempR1;
pOutputSamples[i*8+4] = (ma_int32)tempL2;
pOutputSamples[i*8+5] = (ma_int32)tempR2;
pOutputSamples[i*8+6] = (ma_int32)tempL3;
pOutputSamples[i*8+7] = (ma_int32)tempR3;
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
pOutputSamples[i*2+0] = (ma_int32)(pInputSamples0U32[i] << shift0);
pOutputSamples[i*2+1] = (ma_int32)(pInputSamples1U32[i] << shift1);
}
}
#if defined(MA_DR_FLAC_SUPPORT_SSE2)
static MA_INLINE void ma_dr_flac_read_pcm_frames_s32__decode_independent_stereo__sse2(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int32* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift0 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 shift1 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
for (i = 0; i < frameCount4; ++i) {
__m128i left = _mm_slli_epi32(_mm_loadu_si128((const __m128i*)pInputSamples0 + i), shift0);
__m128i right = _mm_slli_epi32(_mm_loadu_si128((const __m128i*)pInputSamples1 + i), shift1);
_mm_storeu_si128((__m128i*)(pOutputSamples + i*8 + 0), _mm_unpacklo_epi32(left, right));
_mm_storeu_si128((__m128i*)(pOutputSamples + i*8 + 4), _mm_unpackhi_epi32(left, right));
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
pOutputSamples[i*2+0] = (ma_int32)(pInputSamples0U32[i] << shift0);
pOutputSamples[i*2+1] = (ma_int32)(pInputSamples1U32[i] << shift1);
}
}
#endif
#if defined(MA_DR_FLAC_SUPPORT_NEON)
static MA_INLINE void ma_dr_flac_read_pcm_frames_s32__decode_independent_stereo__neon(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int32* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift0 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 shift1 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
int32x4_t shift4_0 = vdupq_n_s32(shift0);
int32x4_t shift4_1 = vdupq_n_s32(shift1);
for (i = 0; i < frameCount4; ++i) {
int32x4_t left;
int32x4_t right;
left = vreinterpretq_s32_u32(vshlq_u32(vld1q_u32(pInputSamples0U32 + i*4), shift4_0));
right = vreinterpretq_s32_u32(vshlq_u32(vld1q_u32(pInputSamples1U32 + i*4), shift4_1));
ma_dr_flac__vst2q_s32(pOutputSamples + i*8, vzipq_s32(left, right));
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
pOutputSamples[i*2+0] = (ma_int32)(pInputSamples0U32[i] << shift0);
pOutputSamples[i*2+1] = (ma_int32)(pInputSamples1U32[i] << shift1);
}
}
#endif
static MA_INLINE void ma_dr_flac_read_pcm_frames_s32__decode_independent_stereo(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int32* pOutputSamples)
{
#if defined(MA_DR_FLAC_SUPPORT_SSE2)
if (ma_dr_flac__gIsSSE2Supported && pFlac->bitsPerSample <= 24) {
ma_dr_flac_read_pcm_frames_s32__decode_independent_stereo__sse2(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
} else
#elif defined(MA_DR_FLAC_SUPPORT_NEON)
if (ma_dr_flac__gIsNEONSupported && pFlac->bitsPerSample <= 24) {
ma_dr_flac_read_pcm_frames_s32__decode_independent_stereo__neon(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
} else
#endif
{
#if 0
ma_dr_flac_read_pcm_frames_s32__decode_independent_stereo__reference(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
#else
ma_dr_flac_read_pcm_frames_s32__decode_independent_stereo__scalar(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
#endif
}
}
MA_API ma_uint64 ma_dr_flac_read_pcm_frames_s32(ma_dr_flac* pFlac, ma_uint64 framesToRead, ma_int32* pBufferOut)
{
ma_uint64 framesRead;
ma_uint32 unusedBitsPerSample;
if (pFlac == NULL || framesToRead == 0) {
return 0;
}
if (pBufferOut == NULL) {
return ma_dr_flac__seek_forward_by_pcm_frames(pFlac, framesToRead);
}
MA_DR_FLAC_ASSERT(pFlac->bitsPerSample <= 32);
unusedBitsPerSample = 32 - pFlac->bitsPerSample;
framesRead = 0;
while (framesToRead > 0) {
if (pFlac->currentFLACFrame.pcmFramesRemaining == 0) {
if (!ma_dr_flac__read_and_decode_next_flac_frame(pFlac)) {
break;
}
} else {
unsigned int channelCount = ma_dr_flac__get_channel_count_from_channel_assignment(pFlac->currentFLACFrame.header.channelAssignment);
ma_uint64 iFirstPCMFrame = pFlac->currentFLACFrame.header.blockSizeInPCMFrames - pFlac->currentFLACFrame.pcmFramesRemaining;
ma_uint64 frameCountThisIteration = framesToRead;
if (frameCountThisIteration > pFlac->currentFLACFrame.pcmFramesRemaining) {
frameCountThisIteration = pFlac->currentFLACFrame.pcmFramesRemaining;
}
if (channelCount == 2) {
const ma_int32* pDecodedSamples0 = pFlac->currentFLACFrame.subframes[0].pSamplesS32 + iFirstPCMFrame;
const ma_int32* pDecodedSamples1 = pFlac->currentFLACFrame.subframes[1].pSamplesS32 + iFirstPCMFrame;
switch (pFlac->currentFLACFrame.header.channelAssignment)
{
case MA_DR_FLAC_CHANNEL_ASSIGNMENT_LEFT_SIDE:
{
ma_dr_flac_read_pcm_frames_s32__decode_left_side(pFlac, frameCountThisIteration, unusedBitsPerSample, pDecodedSamples0, pDecodedSamples1, pBufferOut);
} break;
case MA_DR_FLAC_CHANNEL_ASSIGNMENT_RIGHT_SIDE:
{
ma_dr_flac_read_pcm_frames_s32__decode_right_side(pFlac, frameCountThisIteration, unusedBitsPerSample, pDecodedSamples0, pDecodedSamples1, pBufferOut);
} break;
case MA_DR_FLAC_CHANNEL_ASSIGNMENT_MID_SIDE:
{
ma_dr_flac_read_pcm_frames_s32__decode_mid_side(pFlac, frameCountThisIteration, unusedBitsPerSample, pDecodedSamples0, pDecodedSamples1, pBufferOut);
} break;
case MA_DR_FLAC_CHANNEL_ASSIGNMENT_INDEPENDENT:
default:
{
ma_dr_flac_read_pcm_frames_s32__decode_independent_stereo(pFlac, frameCountThisIteration, unusedBitsPerSample, pDecodedSamples0, pDecodedSamples1, pBufferOut);
} break;
}
} else {
ma_uint64 i;
for (i = 0; i < frameCountThisIteration; ++i) {
unsigned int j;
for (j = 0; j < channelCount; ++j) {
pBufferOut[(i*channelCount)+j] = (ma_int32)((ma_uint32)(pFlac->currentFLACFrame.subframes[j].pSamplesS32[iFirstPCMFrame + i]) << (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[j].wastedBitsPerSample));
}
}
}
framesRead += frameCountThisIteration;
pBufferOut += frameCountThisIteration * channelCount;
framesToRead -= frameCountThisIteration;
pFlac->currentPCMFrame += frameCountThisIteration;
pFlac->currentFLACFrame.pcmFramesRemaining -= (ma_uint32)frameCountThisIteration;
}
}
return framesRead;
}
#if 0
static MA_INLINE void ma_dr_flac_read_pcm_frames_s16__decode_left_side__reference(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int16* pOutputSamples)
{
ma_uint64 i;
for (i = 0; i < frameCount; ++i) {
ma_uint32 left = (ma_uint32)pInputSamples0[i] << (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample);
ma_uint32 side = (ma_uint32)pInputSamples1[i] << (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample);
ma_uint32 right = left - side;
left >>= 16;
right >>= 16;
pOutputSamples[i*2+0] = (ma_int16)left;
pOutputSamples[i*2+1] = (ma_int16)right;
}
}
#endif
static MA_INLINE void ma_dr_flac_read_pcm_frames_s16__decode_left_side__scalar(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int16* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift0 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 shift1 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
for (i = 0; i < frameCount4; ++i) {
ma_uint32 left0 = pInputSamples0U32[i*4+0] << shift0;
ma_uint32 left1 = pInputSamples0U32[i*4+1] << shift0;
ma_uint32 left2 = pInputSamples0U32[i*4+2] << shift0;
ma_uint32 left3 = pInputSamples0U32[i*4+3] << shift0;
ma_uint32 side0 = pInputSamples1U32[i*4+0] << shift1;
ma_uint32 side1 = pInputSamples1U32[i*4+1] << shift1;
ma_uint32 side2 = pInputSamples1U32[i*4+2] << shift1;
ma_uint32 side3 = pInputSamples1U32[i*4+3] << shift1;
ma_uint32 right0 = left0 - side0;
ma_uint32 right1 = left1 - side1;
ma_uint32 right2 = left2 - side2;
ma_uint32 right3 = left3 - side3;
left0 >>= 16;
left1 >>= 16;
left2 >>= 16;
left3 >>= 16;
right0 >>= 16;
right1 >>= 16;
right2 >>= 16;
right3 >>= 16;
pOutputSamples[i*8+0] = (ma_int16)left0;
pOutputSamples[i*8+1] = (ma_int16)right0;
pOutputSamples[i*8+2] = (ma_int16)left1;
pOutputSamples[i*8+3] = (ma_int16)right1;
pOutputSamples[i*8+4] = (ma_int16)left2;
pOutputSamples[i*8+5] = (ma_int16)right2;
pOutputSamples[i*8+6] = (ma_int16)left3;
pOutputSamples[i*8+7] = (ma_int16)right3;
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 left = pInputSamples0U32[i] << shift0;
ma_uint32 side = pInputSamples1U32[i] << shift1;
ma_uint32 right = left - side;
left >>= 16;
right >>= 16;
pOutputSamples[i*2+0] = (ma_int16)left;
pOutputSamples[i*2+1] = (ma_int16)right;
}
}
#if defined(MA_DR_FLAC_SUPPORT_SSE2)
static MA_INLINE void ma_dr_flac_read_pcm_frames_s16__decode_left_side__sse2(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int16* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift0 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 shift1 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
MA_DR_FLAC_ASSERT(pFlac->bitsPerSample <= 24);
for (i = 0; i < frameCount4; ++i) {
__m128i left = _mm_slli_epi32(_mm_loadu_si128((const __m128i*)pInputSamples0 + i), shift0);
__m128i side = _mm_slli_epi32(_mm_loadu_si128((const __m128i*)pInputSamples1 + i), shift1);
__m128i right = _mm_sub_epi32(left, side);
left = _mm_srai_epi32(left, 16);
right = _mm_srai_epi32(right, 16);
_mm_storeu_si128((__m128i*)(pOutputSamples + i*8), ma_dr_flac__mm_packs_interleaved_epi32(left, right));
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 left = pInputSamples0U32[i] << shift0;
ma_uint32 side = pInputSamples1U32[i] << shift1;
ma_uint32 right = left - side;
left >>= 16;
right >>= 16;
pOutputSamples[i*2+0] = (ma_int16)left;
pOutputSamples[i*2+1] = (ma_int16)right;
}
}
#endif
#if defined(MA_DR_FLAC_SUPPORT_NEON)
static MA_INLINE void ma_dr_flac_read_pcm_frames_s16__decode_left_side__neon(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int16* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift0 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 shift1 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
int32x4_t shift0_4;
int32x4_t shift1_4;
MA_DR_FLAC_ASSERT(pFlac->bitsPerSample <= 24);
shift0_4 = vdupq_n_s32(shift0);
shift1_4 = vdupq_n_s32(shift1);
for (i = 0; i < frameCount4; ++i) {
uint32x4_t left;
uint32x4_t side;
uint32x4_t right;
left = vshlq_u32(vld1q_u32(pInputSamples0U32 + i*4), shift0_4);
side = vshlq_u32(vld1q_u32(pInputSamples1U32 + i*4), shift1_4);
right = vsubq_u32(left, side);
left = vshrq_n_u32(left, 16);
right = vshrq_n_u32(right, 16);
ma_dr_flac__vst2q_u16((ma_uint16*)pOutputSamples + i*8, vzip_u16(vmovn_u32(left), vmovn_u32(right)));
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 left = pInputSamples0U32[i] << shift0;
ma_uint32 side = pInputSamples1U32[i] << shift1;
ma_uint32 right = left - side;
left >>= 16;
right >>= 16;
pOutputSamples[i*2+0] = (ma_int16)left;
pOutputSamples[i*2+1] = (ma_int16)right;
}
}
#endif
static MA_INLINE void ma_dr_flac_read_pcm_frames_s16__decode_left_side(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int16* pOutputSamples)
{
#if defined(MA_DR_FLAC_SUPPORT_SSE2)
if (ma_dr_flac__gIsSSE2Supported && pFlac->bitsPerSample <= 24) {
ma_dr_flac_read_pcm_frames_s16__decode_left_side__sse2(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
} else
#elif defined(MA_DR_FLAC_SUPPORT_NEON)
if (ma_dr_flac__gIsNEONSupported && pFlac->bitsPerSample <= 24) {
ma_dr_flac_read_pcm_frames_s16__decode_left_side__neon(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
} else
#endif
{
#if 0
ma_dr_flac_read_pcm_frames_s16__decode_left_side__reference(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
#else
ma_dr_flac_read_pcm_frames_s16__decode_left_side__scalar(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
#endif
}
}
#if 0
static MA_INLINE void ma_dr_flac_read_pcm_frames_s16__decode_right_side__reference(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int16* pOutputSamples)
{
ma_uint64 i;
for (i = 0; i < frameCount; ++i) {
ma_uint32 side = (ma_uint32)pInputSamples0[i] << (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample);
ma_uint32 right = (ma_uint32)pInputSamples1[i] << (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample);
ma_uint32 left = right + side;
left >>= 16;
right >>= 16;
pOutputSamples[i*2+0] = (ma_int16)left;
pOutputSamples[i*2+1] = (ma_int16)right;
}
}
#endif
static MA_INLINE void ma_dr_flac_read_pcm_frames_s16__decode_right_side__scalar(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int16* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift0 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 shift1 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
for (i = 0; i < frameCount4; ++i) {
ma_uint32 side0 = pInputSamples0U32[i*4+0] << shift0;
ma_uint32 side1 = pInputSamples0U32[i*4+1] << shift0;
ma_uint32 side2 = pInputSamples0U32[i*4+2] << shift0;
ma_uint32 side3 = pInputSamples0U32[i*4+3] << shift0;
ma_uint32 right0 = pInputSamples1U32[i*4+0] << shift1;
ma_uint32 right1 = pInputSamples1U32[i*4+1] << shift1;
ma_uint32 right2 = pInputSamples1U32[i*4+2] << shift1;
ma_uint32 right3 = pInputSamples1U32[i*4+3] << shift1;
ma_uint32 left0 = right0 + side0;
ma_uint32 left1 = right1 + side1;
ma_uint32 left2 = right2 + side2;
ma_uint32 left3 = right3 + side3;
left0 >>= 16;
left1 >>= 16;
left2 >>= 16;
left3 >>= 16;
right0 >>= 16;
right1 >>= 16;
right2 >>= 16;
right3 >>= 16;
pOutputSamples[i*8+0] = (ma_int16)left0;
pOutputSamples[i*8+1] = (ma_int16)right0;
pOutputSamples[i*8+2] = (ma_int16)left1;
pOutputSamples[i*8+3] = (ma_int16)right1;
pOutputSamples[i*8+4] = (ma_int16)left2;
pOutputSamples[i*8+5] = (ma_int16)right2;
pOutputSamples[i*8+6] = (ma_int16)left3;
pOutputSamples[i*8+7] = (ma_int16)right3;
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 side = pInputSamples0U32[i] << shift0;
ma_uint32 right = pInputSamples1U32[i] << shift1;
ma_uint32 left = right + side;
left >>= 16;
right >>= 16;
pOutputSamples[i*2+0] = (ma_int16)left;
pOutputSamples[i*2+1] = (ma_int16)right;
}
}
#if defined(MA_DR_FLAC_SUPPORT_SSE2)
static MA_INLINE void ma_dr_flac_read_pcm_frames_s16__decode_right_side__sse2(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int16* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift0 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 shift1 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
MA_DR_FLAC_ASSERT(pFlac->bitsPerSample <= 24);
for (i = 0; i < frameCount4; ++i) {
__m128i side = _mm_slli_epi32(_mm_loadu_si128((const __m128i*)pInputSamples0 + i), shift0);
__m128i right = _mm_slli_epi32(_mm_loadu_si128((const __m128i*)pInputSamples1 + i), shift1);
__m128i left = _mm_add_epi32(right, side);
left = _mm_srai_epi32(left, 16);
right = _mm_srai_epi32(right, 16);
_mm_storeu_si128((__m128i*)(pOutputSamples + i*8), ma_dr_flac__mm_packs_interleaved_epi32(left, right));
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 side = pInputSamples0U32[i] << shift0;
ma_uint32 right = pInputSamples1U32[i] << shift1;
ma_uint32 left = right + side;
left >>= 16;
right >>= 16;
pOutputSamples[i*2+0] = (ma_int16)left;
pOutputSamples[i*2+1] = (ma_int16)right;
}
}
#endif
#if defined(MA_DR_FLAC_SUPPORT_NEON)
static MA_INLINE void ma_dr_flac_read_pcm_frames_s16__decode_right_side__neon(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int16* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift0 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 shift1 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
int32x4_t shift0_4;
int32x4_t shift1_4;
MA_DR_FLAC_ASSERT(pFlac->bitsPerSample <= 24);
shift0_4 = vdupq_n_s32(shift0);
shift1_4 = vdupq_n_s32(shift1);
for (i = 0; i < frameCount4; ++i) {
uint32x4_t side;
uint32x4_t right;
uint32x4_t left;
side = vshlq_u32(vld1q_u32(pInputSamples0U32 + i*4), shift0_4);
right = vshlq_u32(vld1q_u32(pInputSamples1U32 + i*4), shift1_4);
left = vaddq_u32(right, side);
left = vshrq_n_u32(left, 16);
right = vshrq_n_u32(right, 16);
ma_dr_flac__vst2q_u16((ma_uint16*)pOutputSamples + i*8, vzip_u16(vmovn_u32(left), vmovn_u32(right)));
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 side = pInputSamples0U32[i] << shift0;
ma_uint32 right = pInputSamples1U32[i] << shift1;
ma_uint32 left = right + side;
left >>= 16;
right >>= 16;
pOutputSamples[i*2+0] = (ma_int16)left;
pOutputSamples[i*2+1] = (ma_int16)right;
}
}
#endif
static MA_INLINE void ma_dr_flac_read_pcm_frames_s16__decode_right_side(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int16* pOutputSamples)
{
#if defined(MA_DR_FLAC_SUPPORT_SSE2)
if (ma_dr_flac__gIsSSE2Supported && pFlac->bitsPerSample <= 24) {
ma_dr_flac_read_pcm_frames_s16__decode_right_side__sse2(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
} else
#elif defined(MA_DR_FLAC_SUPPORT_NEON)
if (ma_dr_flac__gIsNEONSupported && pFlac->bitsPerSample <= 24) {
ma_dr_flac_read_pcm_frames_s16__decode_right_side__neon(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
} else
#endif
{
#if 0
ma_dr_flac_read_pcm_frames_s16__decode_right_side__reference(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
#else
ma_dr_flac_read_pcm_frames_s16__decode_right_side__scalar(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
#endif
}
}
#if 0
static MA_INLINE void ma_dr_flac_read_pcm_frames_s16__decode_mid_side__reference(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int16* pOutputSamples)
{
for (ma_uint64 i = 0; i < frameCount; ++i) {
ma_uint32 mid = (ma_uint32)pInputSamples0[i] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 side = (ma_uint32)pInputSamples1[i] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
mid = (mid << 1) | (side & 0x01);
pOutputSamples[i*2+0] = (ma_int16)(((ma_uint32)((ma_int32)(mid + side) >> 1) << unusedBitsPerSample) >> 16);
pOutputSamples[i*2+1] = (ma_int16)(((ma_uint32)((ma_int32)(mid - side) >> 1) << unusedBitsPerSample) >> 16);
}
}
#endif
static MA_INLINE void ma_dr_flac_read_pcm_frames_s16__decode_mid_side__scalar(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int16* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift = unusedBitsPerSample;
if (shift > 0) {
shift -= 1;
for (i = 0; i < frameCount4; ++i) {
ma_uint32 temp0L;
ma_uint32 temp1L;
ma_uint32 temp2L;
ma_uint32 temp3L;
ma_uint32 temp0R;
ma_uint32 temp1R;
ma_uint32 temp2R;
ma_uint32 temp3R;
ma_uint32 mid0 = pInputSamples0U32[i*4+0] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 mid1 = pInputSamples0U32[i*4+1] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 mid2 = pInputSamples0U32[i*4+2] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 mid3 = pInputSamples0U32[i*4+3] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 side0 = pInputSamples1U32[i*4+0] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
ma_uint32 side1 = pInputSamples1U32[i*4+1] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
ma_uint32 side2 = pInputSamples1U32[i*4+2] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
ma_uint32 side3 = pInputSamples1U32[i*4+3] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
mid0 = (mid0 << 1) | (side0 & 0x01);
mid1 = (mid1 << 1) | (side1 & 0x01);
mid2 = (mid2 << 1) | (side2 & 0x01);
mid3 = (mid3 << 1) | (side3 & 0x01);
temp0L = (mid0 + side0) << shift;
temp1L = (mid1 + side1) << shift;
temp2L = (mid2 + side2) << shift;
temp3L = (mid3 + side3) << shift;
temp0R = (mid0 - side0) << shift;
temp1R = (mid1 - side1) << shift;
temp2R = (mid2 - side2) << shift;
temp3R = (mid3 - side3) << shift;
temp0L >>= 16;
temp1L >>= 16;
temp2L >>= 16;
temp3L >>= 16;
temp0R >>= 16;
temp1R >>= 16;
temp2R >>= 16;
temp3R >>= 16;
pOutputSamples[i*8+0] = (ma_int16)temp0L;
pOutputSamples[i*8+1] = (ma_int16)temp0R;
pOutputSamples[i*8+2] = (ma_int16)temp1L;
pOutputSamples[i*8+3] = (ma_int16)temp1R;
pOutputSamples[i*8+4] = (ma_int16)temp2L;
pOutputSamples[i*8+5] = (ma_int16)temp2R;
pOutputSamples[i*8+6] = (ma_int16)temp3L;
pOutputSamples[i*8+7] = (ma_int16)temp3R;
}
} else {
for (i = 0; i < frameCount4; ++i) {
ma_uint32 temp0L;
ma_uint32 temp1L;
ma_uint32 temp2L;
ma_uint32 temp3L;
ma_uint32 temp0R;
ma_uint32 temp1R;
ma_uint32 temp2R;
ma_uint32 temp3R;
ma_uint32 mid0 = pInputSamples0U32[i*4+0] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 mid1 = pInputSamples0U32[i*4+1] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 mid2 = pInputSamples0U32[i*4+2] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 mid3 = pInputSamples0U32[i*4+3] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 side0 = pInputSamples1U32[i*4+0] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
ma_uint32 side1 = pInputSamples1U32[i*4+1] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
ma_uint32 side2 = pInputSamples1U32[i*4+2] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
ma_uint32 side3 = pInputSamples1U32[i*4+3] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
mid0 = (mid0 << 1) | (side0 & 0x01);
mid1 = (mid1 << 1) | (side1 & 0x01);
mid2 = (mid2 << 1) | (side2 & 0x01);
mid3 = (mid3 << 1) | (side3 & 0x01);
temp0L = ((ma_int32)(mid0 + side0) >> 1);
temp1L = ((ma_int32)(mid1 + side1) >> 1);
temp2L = ((ma_int32)(mid2 + side2) >> 1);
temp3L = ((ma_int32)(mid3 + side3) >> 1);
temp0R = ((ma_int32)(mid0 - side0) >> 1);
temp1R = ((ma_int32)(mid1 - side1) >> 1);
temp2R = ((ma_int32)(mid2 - side2) >> 1);
temp3R = ((ma_int32)(mid3 - side3) >> 1);
temp0L >>= 16;
temp1L >>= 16;
temp2L >>= 16;
temp3L >>= 16;
temp0R >>= 16;
temp1R >>= 16;
temp2R >>= 16;
temp3R >>= 16;
pOutputSamples[i*8+0] = (ma_int16)temp0L;
pOutputSamples[i*8+1] = (ma_int16)temp0R;
pOutputSamples[i*8+2] = (ma_int16)temp1L;
pOutputSamples[i*8+3] = (ma_int16)temp1R;
pOutputSamples[i*8+4] = (ma_int16)temp2L;
pOutputSamples[i*8+5] = (ma_int16)temp2R;
pOutputSamples[i*8+6] = (ma_int16)temp3L;
pOutputSamples[i*8+7] = (ma_int16)temp3R;
}
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 mid = pInputSamples0U32[i] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 side = pInputSamples1U32[i] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
mid = (mid << 1) | (side & 0x01);
pOutputSamples[i*2+0] = (ma_int16)(((ma_uint32)((ma_int32)(mid + side) >> 1) << unusedBitsPerSample) >> 16);
pOutputSamples[i*2+1] = (ma_int16)(((ma_uint32)((ma_int32)(mid - side) >> 1) << unusedBitsPerSample) >> 16);
}
}
#if defined(MA_DR_FLAC_SUPPORT_SSE2)
static MA_INLINE void ma_dr_flac_read_pcm_frames_s16__decode_mid_side__sse2(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int16* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift = unusedBitsPerSample;
MA_DR_FLAC_ASSERT(pFlac->bitsPerSample <= 24);
if (shift == 0) {
for (i = 0; i < frameCount4; ++i) {
__m128i mid;
__m128i side;
__m128i left;
__m128i right;
mid = _mm_slli_epi32(_mm_loadu_si128((const __m128i*)pInputSamples0 + i), pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample);
side = _mm_slli_epi32(_mm_loadu_si128((const __m128i*)pInputSamples1 + i), pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample);
mid = _mm_or_si128(_mm_slli_epi32(mid, 1), _mm_and_si128(side, _mm_set1_epi32(0x01)));
left = _mm_srai_epi32(_mm_add_epi32(mid, side), 1);
right = _mm_srai_epi32(_mm_sub_epi32(mid, side), 1);
left = _mm_srai_epi32(left, 16);
right = _mm_srai_epi32(right, 16);
_mm_storeu_si128((__m128i*)(pOutputSamples + i*8), ma_dr_flac__mm_packs_interleaved_epi32(left, right));
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 mid = pInputSamples0U32[i] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 side = pInputSamples1U32[i] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
mid = (mid << 1) | (side & 0x01);
pOutputSamples[i*2+0] = (ma_int16)(((ma_int32)(mid + side) >> 1) >> 16);
pOutputSamples[i*2+1] = (ma_int16)(((ma_int32)(mid - side) >> 1) >> 16);
}
} else {
shift -= 1;
for (i = 0; i < frameCount4; ++i) {
__m128i mid;
__m128i side;
__m128i left;
__m128i right;
mid = _mm_slli_epi32(_mm_loadu_si128((const __m128i*)pInputSamples0 + i), pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample);
side = _mm_slli_epi32(_mm_loadu_si128((const __m128i*)pInputSamples1 + i), pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample);
mid = _mm_or_si128(_mm_slli_epi32(mid, 1), _mm_and_si128(side, _mm_set1_epi32(0x01)));
left = _mm_slli_epi32(_mm_add_epi32(mid, side), shift);
right = _mm_slli_epi32(_mm_sub_epi32(mid, side), shift);
left = _mm_srai_epi32(left, 16);
right = _mm_srai_epi32(right, 16);
_mm_storeu_si128((__m128i*)(pOutputSamples + i*8), ma_dr_flac__mm_packs_interleaved_epi32(left, right));
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 mid = pInputSamples0U32[i] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 side = pInputSamples1U32[i] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
mid = (mid << 1) | (side & 0x01);
pOutputSamples[i*2+0] = (ma_int16)(((mid + side) << shift) >> 16);
pOutputSamples[i*2+1] = (ma_int16)(((mid - side) << shift) >> 16);
}
}
}
#endif
#if defined(MA_DR_FLAC_SUPPORT_NEON)
static MA_INLINE void ma_dr_flac_read_pcm_frames_s16__decode_mid_side__neon(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int16* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift = unusedBitsPerSample;
int32x4_t wbpsShift0_4;
int32x4_t wbpsShift1_4;
MA_DR_FLAC_ASSERT(pFlac->bitsPerSample <= 24);
wbpsShift0_4 = vdupq_n_s32(pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample);
wbpsShift1_4 = vdupq_n_s32(pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample);
if (shift == 0) {
for (i = 0; i < frameCount4; ++i) {
uint32x4_t mid;
uint32x4_t side;
int32x4_t left;
int32x4_t right;
mid = vshlq_u32(vld1q_u32(pInputSamples0U32 + i*4), wbpsShift0_4);
side = vshlq_u32(vld1q_u32(pInputSamples1U32 + i*4), wbpsShift1_4);
mid = vorrq_u32(vshlq_n_u32(mid, 1), vandq_u32(side, vdupq_n_u32(1)));
left = vshrq_n_s32(vreinterpretq_s32_u32(vaddq_u32(mid, side)), 1);
right = vshrq_n_s32(vreinterpretq_s32_u32(vsubq_u32(mid, side)), 1);
left = vshrq_n_s32(left, 16);
right = vshrq_n_s32(right, 16);
ma_dr_flac__vst2q_s16(pOutputSamples + i*8, vzip_s16(vmovn_s32(left), vmovn_s32(right)));
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 mid = pInputSamples0U32[i] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 side = pInputSamples1U32[i] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
mid = (mid << 1) | (side & 0x01);
pOutputSamples[i*2+0] = (ma_int16)(((ma_int32)(mid + side) >> 1) >> 16);
pOutputSamples[i*2+1] = (ma_int16)(((ma_int32)(mid - side) >> 1) >> 16);
}
} else {
int32x4_t shift4;
shift -= 1;
shift4 = vdupq_n_s32(shift);
for (i = 0; i < frameCount4; ++i) {
uint32x4_t mid;
uint32x4_t side;
int32x4_t left;
int32x4_t right;
mid = vshlq_u32(vld1q_u32(pInputSamples0U32 + i*4), wbpsShift0_4);
side = vshlq_u32(vld1q_u32(pInputSamples1U32 + i*4), wbpsShift1_4);
mid = vorrq_u32(vshlq_n_u32(mid, 1), vandq_u32(side, vdupq_n_u32(1)));
left = vreinterpretq_s32_u32(vshlq_u32(vaddq_u32(mid, side), shift4));
right = vreinterpretq_s32_u32(vshlq_u32(vsubq_u32(mid, side), shift4));
left = vshrq_n_s32(left, 16);
right = vshrq_n_s32(right, 16);
ma_dr_flac__vst2q_s16(pOutputSamples + i*8, vzip_s16(vmovn_s32(left), vmovn_s32(right)));
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 mid = pInputSamples0U32[i] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 side = pInputSamples1U32[i] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
mid = (mid << 1) | (side & 0x01);
pOutputSamples[i*2+0] = (ma_int16)(((mid + side) << shift) >> 16);
pOutputSamples[i*2+1] = (ma_int16)(((mid - side) << shift) >> 16);
}
}
}
#endif
static MA_INLINE void ma_dr_flac_read_pcm_frames_s16__decode_mid_side(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int16* pOutputSamples)
{
#if defined(MA_DR_FLAC_SUPPORT_SSE2)
if (ma_dr_flac__gIsSSE2Supported && pFlac->bitsPerSample <= 24) {
ma_dr_flac_read_pcm_frames_s16__decode_mid_side__sse2(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
} else
#elif defined(MA_DR_FLAC_SUPPORT_NEON)
if (ma_dr_flac__gIsNEONSupported && pFlac->bitsPerSample <= 24) {
ma_dr_flac_read_pcm_frames_s16__decode_mid_side__neon(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
} else
#endif
{
#if 0
ma_dr_flac_read_pcm_frames_s16__decode_mid_side__reference(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
#else
ma_dr_flac_read_pcm_frames_s16__decode_mid_side__scalar(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
#endif
}
}
#if 0
static MA_INLINE void ma_dr_flac_read_pcm_frames_s16__decode_independent_stereo__reference(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int16* pOutputSamples)
{
for (ma_uint64 i = 0; i < frameCount; ++i) {
pOutputSamples[i*2+0] = (ma_int16)((ma_int32)((ma_uint32)pInputSamples0[i] << (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample)) >> 16);
pOutputSamples[i*2+1] = (ma_int16)((ma_int32)((ma_uint32)pInputSamples1[i] << (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample)) >> 16);
}
}
#endif
static MA_INLINE void ma_dr_flac_read_pcm_frames_s16__decode_independent_stereo__scalar(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int16* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift0 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 shift1 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
for (i = 0; i < frameCount4; ++i) {
ma_uint32 tempL0 = pInputSamples0U32[i*4+0] << shift0;
ma_uint32 tempL1 = pInputSamples0U32[i*4+1] << shift0;
ma_uint32 tempL2 = pInputSamples0U32[i*4+2] << shift0;
ma_uint32 tempL3 = pInputSamples0U32[i*4+3] << shift0;
ma_uint32 tempR0 = pInputSamples1U32[i*4+0] << shift1;
ma_uint32 tempR1 = pInputSamples1U32[i*4+1] << shift1;
ma_uint32 tempR2 = pInputSamples1U32[i*4+2] << shift1;
ma_uint32 tempR3 = pInputSamples1U32[i*4+3] << shift1;
tempL0 >>= 16;
tempL1 >>= 16;
tempL2 >>= 16;
tempL3 >>= 16;
tempR0 >>= 16;
tempR1 >>= 16;
tempR2 >>= 16;
tempR3 >>= 16;
pOutputSamples[i*8+0] = (ma_int16)tempL0;
pOutputSamples[i*8+1] = (ma_int16)tempR0;
pOutputSamples[i*8+2] = (ma_int16)tempL1;
pOutputSamples[i*8+3] = (ma_int16)tempR1;
pOutputSamples[i*8+4] = (ma_int16)tempL2;
pOutputSamples[i*8+5] = (ma_int16)tempR2;
pOutputSamples[i*8+6] = (ma_int16)tempL3;
pOutputSamples[i*8+7] = (ma_int16)tempR3;
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
pOutputSamples[i*2+0] = (ma_int16)((pInputSamples0U32[i] << shift0) >> 16);
pOutputSamples[i*2+1] = (ma_int16)((pInputSamples1U32[i] << shift1) >> 16);
}
}
#if defined(MA_DR_FLAC_SUPPORT_SSE2)
static MA_INLINE void ma_dr_flac_read_pcm_frames_s16__decode_independent_stereo__sse2(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int16* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift0 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 shift1 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
for (i = 0; i < frameCount4; ++i) {
__m128i left = _mm_slli_epi32(_mm_loadu_si128((const __m128i*)pInputSamples0 + i), shift0);
__m128i right = _mm_slli_epi32(_mm_loadu_si128((const __m128i*)pInputSamples1 + i), shift1);
left = _mm_srai_epi32(left, 16);
right = _mm_srai_epi32(right, 16);
_mm_storeu_si128((__m128i*)(pOutputSamples + i*8), ma_dr_flac__mm_packs_interleaved_epi32(left, right));
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
pOutputSamples[i*2+0] = (ma_int16)((pInputSamples0U32[i] << shift0) >> 16);
pOutputSamples[i*2+1] = (ma_int16)((pInputSamples1U32[i] << shift1) >> 16);
}
}
#endif
#if defined(MA_DR_FLAC_SUPPORT_NEON)
static MA_INLINE void ma_dr_flac_read_pcm_frames_s16__decode_independent_stereo__neon(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int16* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift0 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 shift1 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
int32x4_t shift0_4 = vdupq_n_s32(shift0);
int32x4_t shift1_4 = vdupq_n_s32(shift1);
for (i = 0; i < frameCount4; ++i) {
int32x4_t left;
int32x4_t right;
left = vreinterpretq_s32_u32(vshlq_u32(vld1q_u32(pInputSamples0U32 + i*4), shift0_4));
right = vreinterpretq_s32_u32(vshlq_u32(vld1q_u32(pInputSamples1U32 + i*4), shift1_4));
left = vshrq_n_s32(left, 16);
right = vshrq_n_s32(right, 16);
ma_dr_flac__vst2q_s16(pOutputSamples + i*8, vzip_s16(vmovn_s32(left), vmovn_s32(right)));
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
pOutputSamples[i*2+0] = (ma_int16)((pInputSamples0U32[i] << shift0) >> 16);
pOutputSamples[i*2+1] = (ma_int16)((pInputSamples1U32[i] << shift1) >> 16);
}
}
#endif
static MA_INLINE void ma_dr_flac_read_pcm_frames_s16__decode_independent_stereo(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, ma_int16* pOutputSamples)
{
#if defined(MA_DR_FLAC_SUPPORT_SSE2)
if (ma_dr_flac__gIsSSE2Supported && pFlac->bitsPerSample <= 24) {
ma_dr_flac_read_pcm_frames_s16__decode_independent_stereo__sse2(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
} else
#elif defined(MA_DR_FLAC_SUPPORT_NEON)
if (ma_dr_flac__gIsNEONSupported && pFlac->bitsPerSample <= 24) {
ma_dr_flac_read_pcm_frames_s16__decode_independent_stereo__neon(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
} else
#endif
{
#if 0
ma_dr_flac_read_pcm_frames_s16__decode_independent_stereo__reference(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
#else
ma_dr_flac_read_pcm_frames_s16__decode_independent_stereo__scalar(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
#endif
}
}
MA_API ma_uint64 ma_dr_flac_read_pcm_frames_s16(ma_dr_flac* pFlac, ma_uint64 framesToRead, ma_int16* pBufferOut)
{
ma_uint64 framesRead;
ma_uint32 unusedBitsPerSample;
if (pFlac == NULL || framesToRead == 0) {
return 0;
}
if (pBufferOut == NULL) {
return ma_dr_flac__seek_forward_by_pcm_frames(pFlac, framesToRead);
}
MA_DR_FLAC_ASSERT(pFlac->bitsPerSample <= 32);
unusedBitsPerSample = 32 - pFlac->bitsPerSample;
framesRead = 0;
while (framesToRead > 0) {
if (pFlac->currentFLACFrame.pcmFramesRemaining == 0) {
if (!ma_dr_flac__read_and_decode_next_flac_frame(pFlac)) {
break;
}
} else {
unsigned int channelCount = ma_dr_flac__get_channel_count_from_channel_assignment(pFlac->currentFLACFrame.header.channelAssignment);
ma_uint64 iFirstPCMFrame = pFlac->currentFLACFrame.header.blockSizeInPCMFrames - pFlac->currentFLACFrame.pcmFramesRemaining;
ma_uint64 frameCountThisIteration = framesToRead;
if (frameCountThisIteration > pFlac->currentFLACFrame.pcmFramesRemaining) {
frameCountThisIteration = pFlac->currentFLACFrame.pcmFramesRemaining;
}
if (channelCount == 2) {
const ma_int32* pDecodedSamples0 = pFlac->currentFLACFrame.subframes[0].pSamplesS32 + iFirstPCMFrame;
const ma_int32* pDecodedSamples1 = pFlac->currentFLACFrame.subframes[1].pSamplesS32 + iFirstPCMFrame;
switch (pFlac->currentFLACFrame.header.channelAssignment)
{
case MA_DR_FLAC_CHANNEL_ASSIGNMENT_LEFT_SIDE:
{
ma_dr_flac_read_pcm_frames_s16__decode_left_side(pFlac, frameCountThisIteration, unusedBitsPerSample, pDecodedSamples0, pDecodedSamples1, pBufferOut);
} break;
case MA_DR_FLAC_CHANNEL_ASSIGNMENT_RIGHT_SIDE:
{
ma_dr_flac_read_pcm_frames_s16__decode_right_side(pFlac, frameCountThisIteration, unusedBitsPerSample, pDecodedSamples0, pDecodedSamples1, pBufferOut);
} break;
case MA_DR_FLAC_CHANNEL_ASSIGNMENT_MID_SIDE:
{
ma_dr_flac_read_pcm_frames_s16__decode_mid_side(pFlac, frameCountThisIteration, unusedBitsPerSample, pDecodedSamples0, pDecodedSamples1, pBufferOut);
} break;
case MA_DR_FLAC_CHANNEL_ASSIGNMENT_INDEPENDENT:
default:
{
ma_dr_flac_read_pcm_frames_s16__decode_independent_stereo(pFlac, frameCountThisIteration, unusedBitsPerSample, pDecodedSamples0, pDecodedSamples1, pBufferOut);
} break;
}
} else {
ma_uint64 i;
for (i = 0; i < frameCountThisIteration; ++i) {
unsigned int j;
for (j = 0; j < channelCount; ++j) {
ma_int32 sampleS32 = (ma_int32)((ma_uint32)(pFlac->currentFLACFrame.subframes[j].pSamplesS32[iFirstPCMFrame + i]) << (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[j].wastedBitsPerSample));
pBufferOut[(i*channelCount)+j] = (ma_int16)(sampleS32 >> 16);
}
}
}
framesRead += frameCountThisIteration;
pBufferOut += frameCountThisIteration * channelCount;
framesToRead -= frameCountThisIteration;
pFlac->currentPCMFrame += frameCountThisIteration;
pFlac->currentFLACFrame.pcmFramesRemaining -= (ma_uint32)frameCountThisIteration;
}
}
return framesRead;
}
#if 0
static MA_INLINE void ma_dr_flac_read_pcm_frames_f32__decode_left_side__reference(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, float* pOutputSamples)
{
ma_uint64 i;
for (i = 0; i < frameCount; ++i) {
ma_uint32 left = (ma_uint32)pInputSamples0[i] << (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample);
ma_uint32 side = (ma_uint32)pInputSamples1[i] << (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample);
ma_uint32 right = left - side;
pOutputSamples[i*2+0] = (float)((ma_int32)left / 2147483648.0);
pOutputSamples[i*2+1] = (float)((ma_int32)right / 2147483648.0);
}
}
#endif
static MA_INLINE void ma_dr_flac_read_pcm_frames_f32__decode_left_side__scalar(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, float* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift0 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 shift1 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
float factor = 1 / 2147483648.0;
for (i = 0; i < frameCount4; ++i) {
ma_uint32 left0 = pInputSamples0U32[i*4+0] << shift0;
ma_uint32 left1 = pInputSamples0U32[i*4+1] << shift0;
ma_uint32 left2 = pInputSamples0U32[i*4+2] << shift0;
ma_uint32 left3 = pInputSamples0U32[i*4+3] << shift0;
ma_uint32 side0 = pInputSamples1U32[i*4+0] << shift1;
ma_uint32 side1 = pInputSamples1U32[i*4+1] << shift1;
ma_uint32 side2 = pInputSamples1U32[i*4+2] << shift1;
ma_uint32 side3 = pInputSamples1U32[i*4+3] << shift1;
ma_uint32 right0 = left0 - side0;
ma_uint32 right1 = left1 - side1;
ma_uint32 right2 = left2 - side2;
ma_uint32 right3 = left3 - side3;
pOutputSamples[i*8+0] = (ma_int32)left0 * factor;
pOutputSamples[i*8+1] = (ma_int32)right0 * factor;
pOutputSamples[i*8+2] = (ma_int32)left1 * factor;
pOutputSamples[i*8+3] = (ma_int32)right1 * factor;
pOutputSamples[i*8+4] = (ma_int32)left2 * factor;
pOutputSamples[i*8+5] = (ma_int32)right2 * factor;
pOutputSamples[i*8+6] = (ma_int32)left3 * factor;
pOutputSamples[i*8+7] = (ma_int32)right3 * factor;
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 left = pInputSamples0U32[i] << shift0;
ma_uint32 side = pInputSamples1U32[i] << shift1;
ma_uint32 right = left - side;
pOutputSamples[i*2+0] = (ma_int32)left * factor;
pOutputSamples[i*2+1] = (ma_int32)right * factor;
}
}
#if defined(MA_DR_FLAC_SUPPORT_SSE2)
static MA_INLINE void ma_dr_flac_read_pcm_frames_f32__decode_left_side__sse2(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, float* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift0 = (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample) - 8;
ma_uint32 shift1 = (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample) - 8;
__m128 factor;
MA_DR_FLAC_ASSERT(pFlac->bitsPerSample <= 24);
factor = _mm_set1_ps(1.0f / 8388608.0f);
for (i = 0; i < frameCount4; ++i) {
__m128i left = _mm_slli_epi32(_mm_loadu_si128((const __m128i*)pInputSamples0 + i), shift0);
__m128i side = _mm_slli_epi32(_mm_loadu_si128((const __m128i*)pInputSamples1 + i), shift1);
__m128i right = _mm_sub_epi32(left, side);
__m128 leftf = _mm_mul_ps(_mm_cvtepi32_ps(left), factor);
__m128 rightf = _mm_mul_ps(_mm_cvtepi32_ps(right), factor);
_mm_storeu_ps(pOutputSamples + i*8 + 0, _mm_unpacklo_ps(leftf, rightf));
_mm_storeu_ps(pOutputSamples + i*8 + 4, _mm_unpackhi_ps(leftf, rightf));
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 left = pInputSamples0U32[i] << shift0;
ma_uint32 side = pInputSamples1U32[i] << shift1;
ma_uint32 right = left - side;
pOutputSamples[i*2+0] = (ma_int32)left / 8388608.0f;
pOutputSamples[i*2+1] = (ma_int32)right / 8388608.0f;
}
}
#endif
#if defined(MA_DR_FLAC_SUPPORT_NEON)
static MA_INLINE void ma_dr_flac_read_pcm_frames_f32__decode_left_side__neon(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, float* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift0 = (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample) - 8;
ma_uint32 shift1 = (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample) - 8;
float32x4_t factor4;
int32x4_t shift0_4;
int32x4_t shift1_4;
MA_DR_FLAC_ASSERT(pFlac->bitsPerSample <= 24);
factor4 = vdupq_n_f32(1.0f / 8388608.0f);
shift0_4 = vdupq_n_s32(shift0);
shift1_4 = vdupq_n_s32(shift1);
for (i = 0; i < frameCount4; ++i) {
uint32x4_t left;
uint32x4_t side;
uint32x4_t right;
float32x4_t leftf;
float32x4_t rightf;
left = vshlq_u32(vld1q_u32(pInputSamples0U32 + i*4), shift0_4);
side = vshlq_u32(vld1q_u32(pInputSamples1U32 + i*4), shift1_4);
right = vsubq_u32(left, side);
leftf = vmulq_f32(vcvtq_f32_s32(vreinterpretq_s32_u32(left)), factor4);
rightf = vmulq_f32(vcvtq_f32_s32(vreinterpretq_s32_u32(right)), factor4);
ma_dr_flac__vst2q_f32(pOutputSamples + i*8, vzipq_f32(leftf, rightf));
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 left = pInputSamples0U32[i] << shift0;
ma_uint32 side = pInputSamples1U32[i] << shift1;
ma_uint32 right = left - side;
pOutputSamples[i*2+0] = (ma_int32)left / 8388608.0f;
pOutputSamples[i*2+1] = (ma_int32)right / 8388608.0f;
}
}
#endif
static MA_INLINE void ma_dr_flac_read_pcm_frames_f32__decode_left_side(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, float* pOutputSamples)
{
#if defined(MA_DR_FLAC_SUPPORT_SSE2)
if (ma_dr_flac__gIsSSE2Supported && pFlac->bitsPerSample <= 24) {
ma_dr_flac_read_pcm_frames_f32__decode_left_side__sse2(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
} else
#elif defined(MA_DR_FLAC_SUPPORT_NEON)
if (ma_dr_flac__gIsNEONSupported && pFlac->bitsPerSample <= 24) {
ma_dr_flac_read_pcm_frames_f32__decode_left_side__neon(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
} else
#endif
{
#if 0
ma_dr_flac_read_pcm_frames_f32__decode_left_side__reference(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
#else
ma_dr_flac_read_pcm_frames_f32__decode_left_side__scalar(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
#endif
}
}
#if 0
static MA_INLINE void ma_dr_flac_read_pcm_frames_f32__decode_right_side__reference(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, float* pOutputSamples)
{
ma_uint64 i;
for (i = 0; i < frameCount; ++i) {
ma_uint32 side = (ma_uint32)pInputSamples0[i] << (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample);
ma_uint32 right = (ma_uint32)pInputSamples1[i] << (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample);
ma_uint32 left = right + side;
pOutputSamples[i*2+0] = (float)((ma_int32)left / 2147483648.0);
pOutputSamples[i*2+1] = (float)((ma_int32)right / 2147483648.0);
}
}
#endif
static MA_INLINE void ma_dr_flac_read_pcm_frames_f32__decode_right_side__scalar(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, float* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift0 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 shift1 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
float factor = 1 / 2147483648.0;
for (i = 0; i < frameCount4; ++i) {
ma_uint32 side0 = pInputSamples0U32[i*4+0] << shift0;
ma_uint32 side1 = pInputSamples0U32[i*4+1] << shift0;
ma_uint32 side2 = pInputSamples0U32[i*4+2] << shift0;
ma_uint32 side3 = pInputSamples0U32[i*4+3] << shift0;
ma_uint32 right0 = pInputSamples1U32[i*4+0] << shift1;
ma_uint32 right1 = pInputSamples1U32[i*4+1] << shift1;
ma_uint32 right2 = pInputSamples1U32[i*4+2] << shift1;
ma_uint32 right3 = pInputSamples1U32[i*4+3] << shift1;
ma_uint32 left0 = right0 + side0;
ma_uint32 left1 = right1 + side1;
ma_uint32 left2 = right2 + side2;
ma_uint32 left3 = right3 + side3;
pOutputSamples[i*8+0] = (ma_int32)left0 * factor;
pOutputSamples[i*8+1] = (ma_int32)right0 * factor;
pOutputSamples[i*8+2] = (ma_int32)left1 * factor;
pOutputSamples[i*8+3] = (ma_int32)right1 * factor;
pOutputSamples[i*8+4] = (ma_int32)left2 * factor;
pOutputSamples[i*8+5] = (ma_int32)right2 * factor;
pOutputSamples[i*8+6] = (ma_int32)left3 * factor;
pOutputSamples[i*8+7] = (ma_int32)right3 * factor;
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 side = pInputSamples0U32[i] << shift0;
ma_uint32 right = pInputSamples1U32[i] << shift1;
ma_uint32 left = right + side;
pOutputSamples[i*2+0] = (ma_int32)left * factor;
pOutputSamples[i*2+1] = (ma_int32)right * factor;
}
}
#if defined(MA_DR_FLAC_SUPPORT_SSE2)
static MA_INLINE void ma_dr_flac_read_pcm_frames_f32__decode_right_side__sse2(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, float* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift0 = (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample) - 8;
ma_uint32 shift1 = (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample) - 8;
__m128 factor;
MA_DR_FLAC_ASSERT(pFlac->bitsPerSample <= 24);
factor = _mm_set1_ps(1.0f / 8388608.0f);
for (i = 0; i < frameCount4; ++i) {
__m128i side = _mm_slli_epi32(_mm_loadu_si128((const __m128i*)pInputSamples0 + i), shift0);
__m128i right = _mm_slli_epi32(_mm_loadu_si128((const __m128i*)pInputSamples1 + i), shift1);
__m128i left = _mm_add_epi32(right, side);
__m128 leftf = _mm_mul_ps(_mm_cvtepi32_ps(left), factor);
__m128 rightf = _mm_mul_ps(_mm_cvtepi32_ps(right), factor);
_mm_storeu_ps(pOutputSamples + i*8 + 0, _mm_unpacklo_ps(leftf, rightf));
_mm_storeu_ps(pOutputSamples + i*8 + 4, _mm_unpackhi_ps(leftf, rightf));
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 side = pInputSamples0U32[i] << shift0;
ma_uint32 right = pInputSamples1U32[i] << shift1;
ma_uint32 left = right + side;
pOutputSamples[i*2+0] = (ma_int32)left / 8388608.0f;
pOutputSamples[i*2+1] = (ma_int32)right / 8388608.0f;
}
}
#endif
#if defined(MA_DR_FLAC_SUPPORT_NEON)
static MA_INLINE void ma_dr_flac_read_pcm_frames_f32__decode_right_side__neon(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, float* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift0 = (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample) - 8;
ma_uint32 shift1 = (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample) - 8;
float32x4_t factor4;
int32x4_t shift0_4;
int32x4_t shift1_4;
MA_DR_FLAC_ASSERT(pFlac->bitsPerSample <= 24);
factor4 = vdupq_n_f32(1.0f / 8388608.0f);
shift0_4 = vdupq_n_s32(shift0);
shift1_4 = vdupq_n_s32(shift1);
for (i = 0; i < frameCount4; ++i) {
uint32x4_t side;
uint32x4_t right;
uint32x4_t left;
float32x4_t leftf;
float32x4_t rightf;
side = vshlq_u32(vld1q_u32(pInputSamples0U32 + i*4), shift0_4);
right = vshlq_u32(vld1q_u32(pInputSamples1U32 + i*4), shift1_4);
left = vaddq_u32(right, side);
leftf = vmulq_f32(vcvtq_f32_s32(vreinterpretq_s32_u32(left)), factor4);
rightf = vmulq_f32(vcvtq_f32_s32(vreinterpretq_s32_u32(right)), factor4);
ma_dr_flac__vst2q_f32(pOutputSamples + i*8, vzipq_f32(leftf, rightf));
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 side = pInputSamples0U32[i] << shift0;
ma_uint32 right = pInputSamples1U32[i] << shift1;
ma_uint32 left = right + side;
pOutputSamples[i*2+0] = (ma_int32)left / 8388608.0f;
pOutputSamples[i*2+1] = (ma_int32)right / 8388608.0f;
}
}
#endif
static MA_INLINE void ma_dr_flac_read_pcm_frames_f32__decode_right_side(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, float* pOutputSamples)
{
#if defined(MA_DR_FLAC_SUPPORT_SSE2)
if (ma_dr_flac__gIsSSE2Supported && pFlac->bitsPerSample <= 24) {
ma_dr_flac_read_pcm_frames_f32__decode_right_side__sse2(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
} else
#elif defined(MA_DR_FLAC_SUPPORT_NEON)
if (ma_dr_flac__gIsNEONSupported && pFlac->bitsPerSample <= 24) {
ma_dr_flac_read_pcm_frames_f32__decode_right_side__neon(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
} else
#endif
{
#if 0
ma_dr_flac_read_pcm_frames_f32__decode_right_side__reference(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
#else
ma_dr_flac_read_pcm_frames_f32__decode_right_side__scalar(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
#endif
}
}
#if 0
static MA_INLINE void ma_dr_flac_read_pcm_frames_f32__decode_mid_side__reference(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, float* pOutputSamples)
{
for (ma_uint64 i = 0; i < frameCount; ++i) {
ma_uint32 mid = (ma_uint32)pInputSamples0[i] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 side = (ma_uint32)pInputSamples1[i] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
mid = (mid << 1) | (side & 0x01);
pOutputSamples[i*2+0] = (float)((((ma_int32)(mid + side) >> 1) << (unusedBitsPerSample)) / 2147483648.0);
pOutputSamples[i*2+1] = (float)((((ma_int32)(mid - side) >> 1) << (unusedBitsPerSample)) / 2147483648.0);
}
}
#endif
static MA_INLINE void ma_dr_flac_read_pcm_frames_f32__decode_mid_side__scalar(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, float* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift = unusedBitsPerSample;
float factor = 1 / 2147483648.0;
if (shift > 0) {
shift -= 1;
for (i = 0; i < frameCount4; ++i) {
ma_uint32 temp0L;
ma_uint32 temp1L;
ma_uint32 temp2L;
ma_uint32 temp3L;
ma_uint32 temp0R;
ma_uint32 temp1R;
ma_uint32 temp2R;
ma_uint32 temp3R;
ma_uint32 mid0 = pInputSamples0U32[i*4+0] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 mid1 = pInputSamples0U32[i*4+1] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 mid2 = pInputSamples0U32[i*4+2] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 mid3 = pInputSamples0U32[i*4+3] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 side0 = pInputSamples1U32[i*4+0] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
ma_uint32 side1 = pInputSamples1U32[i*4+1] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
ma_uint32 side2 = pInputSamples1U32[i*4+2] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
ma_uint32 side3 = pInputSamples1U32[i*4+3] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
mid0 = (mid0 << 1) | (side0 & 0x01);
mid1 = (mid1 << 1) | (side1 & 0x01);
mid2 = (mid2 << 1) | (side2 & 0x01);
mid3 = (mid3 << 1) | (side3 & 0x01);
temp0L = (mid0 + side0) << shift;
temp1L = (mid1 + side1) << shift;
temp2L = (mid2 + side2) << shift;
temp3L = (mid3 + side3) << shift;
temp0R = (mid0 - side0) << shift;
temp1R = (mid1 - side1) << shift;
temp2R = (mid2 - side2) << shift;
temp3R = (mid3 - side3) << shift;
pOutputSamples[i*8+0] = (ma_int32)temp0L * factor;
pOutputSamples[i*8+1] = (ma_int32)temp0R * factor;
pOutputSamples[i*8+2] = (ma_int32)temp1L * factor;
pOutputSamples[i*8+3] = (ma_int32)temp1R * factor;
pOutputSamples[i*8+4] = (ma_int32)temp2L * factor;
pOutputSamples[i*8+5] = (ma_int32)temp2R * factor;
pOutputSamples[i*8+6] = (ma_int32)temp3L * factor;
pOutputSamples[i*8+7] = (ma_int32)temp3R * factor;
}
} else {
for (i = 0; i < frameCount4; ++i) {
ma_uint32 temp0L;
ma_uint32 temp1L;
ma_uint32 temp2L;
ma_uint32 temp3L;
ma_uint32 temp0R;
ma_uint32 temp1R;
ma_uint32 temp2R;
ma_uint32 temp3R;
ma_uint32 mid0 = pInputSamples0U32[i*4+0] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 mid1 = pInputSamples0U32[i*4+1] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 mid2 = pInputSamples0U32[i*4+2] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 mid3 = pInputSamples0U32[i*4+3] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 side0 = pInputSamples1U32[i*4+0] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
ma_uint32 side1 = pInputSamples1U32[i*4+1] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
ma_uint32 side2 = pInputSamples1U32[i*4+2] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
ma_uint32 side3 = pInputSamples1U32[i*4+3] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
mid0 = (mid0 << 1) | (side0 & 0x01);
mid1 = (mid1 << 1) | (side1 & 0x01);
mid2 = (mid2 << 1) | (side2 & 0x01);
mid3 = (mid3 << 1) | (side3 & 0x01);
temp0L = (ma_uint32)((ma_int32)(mid0 + side0) >> 1);
temp1L = (ma_uint32)((ma_int32)(mid1 + side1) >> 1);
temp2L = (ma_uint32)((ma_int32)(mid2 + side2) >> 1);
temp3L = (ma_uint32)((ma_int32)(mid3 + side3) >> 1);
temp0R = (ma_uint32)((ma_int32)(mid0 - side0) >> 1);
temp1R = (ma_uint32)((ma_int32)(mid1 - side1) >> 1);
temp2R = (ma_uint32)((ma_int32)(mid2 - side2) >> 1);
temp3R = (ma_uint32)((ma_int32)(mid3 - side3) >> 1);
pOutputSamples[i*8+0] = (ma_int32)temp0L * factor;
pOutputSamples[i*8+1] = (ma_int32)temp0R * factor;
pOutputSamples[i*8+2] = (ma_int32)temp1L * factor;
pOutputSamples[i*8+3] = (ma_int32)temp1R * factor;
pOutputSamples[i*8+4] = (ma_int32)temp2L * factor;
pOutputSamples[i*8+5] = (ma_int32)temp2R * factor;
pOutputSamples[i*8+6] = (ma_int32)temp3L * factor;
pOutputSamples[i*8+7] = (ma_int32)temp3R * factor;
}
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 mid = pInputSamples0U32[i] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 side = pInputSamples1U32[i] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
mid = (mid << 1) | (side & 0x01);
pOutputSamples[i*2+0] = (ma_int32)((ma_uint32)((ma_int32)(mid + side) >> 1) << unusedBitsPerSample) * factor;
pOutputSamples[i*2+1] = (ma_int32)((ma_uint32)((ma_int32)(mid - side) >> 1) << unusedBitsPerSample) * factor;
}
}
#if defined(MA_DR_FLAC_SUPPORT_SSE2)
static MA_INLINE void ma_dr_flac_read_pcm_frames_f32__decode_mid_side__sse2(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, float* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift = unusedBitsPerSample - 8;
float factor;
__m128 factor128;
MA_DR_FLAC_ASSERT(pFlac->bitsPerSample <= 24);
factor = 1.0f / 8388608.0f;
factor128 = _mm_set1_ps(factor);
if (shift == 0) {
for (i = 0; i < frameCount4; ++i) {
__m128i mid;
__m128i side;
__m128i tempL;
__m128i tempR;
__m128 leftf;
__m128 rightf;
mid = _mm_slli_epi32(_mm_loadu_si128((const __m128i*)pInputSamples0 + i), pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample);
side = _mm_slli_epi32(_mm_loadu_si128((const __m128i*)pInputSamples1 + i), pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample);
mid = _mm_or_si128(_mm_slli_epi32(mid, 1), _mm_and_si128(side, _mm_set1_epi32(0x01)));
tempL = _mm_srai_epi32(_mm_add_epi32(mid, side), 1);
tempR = _mm_srai_epi32(_mm_sub_epi32(mid, side), 1);
leftf = _mm_mul_ps(_mm_cvtepi32_ps(tempL), factor128);
rightf = _mm_mul_ps(_mm_cvtepi32_ps(tempR), factor128);
_mm_storeu_ps(pOutputSamples + i*8 + 0, _mm_unpacklo_ps(leftf, rightf));
_mm_storeu_ps(pOutputSamples + i*8 + 4, _mm_unpackhi_ps(leftf, rightf));
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 mid = pInputSamples0U32[i] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 side = pInputSamples1U32[i] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
mid = (mid << 1) | (side & 0x01);
pOutputSamples[i*2+0] = ((ma_int32)(mid + side) >> 1) * factor;
pOutputSamples[i*2+1] = ((ma_int32)(mid - side) >> 1) * factor;
}
} else {
shift -= 1;
for (i = 0; i < frameCount4; ++i) {
__m128i mid;
__m128i side;
__m128i tempL;
__m128i tempR;
__m128 leftf;
__m128 rightf;
mid = _mm_slli_epi32(_mm_loadu_si128((const __m128i*)pInputSamples0 + i), pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample);
side = _mm_slli_epi32(_mm_loadu_si128((const __m128i*)pInputSamples1 + i), pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample);
mid = _mm_or_si128(_mm_slli_epi32(mid, 1), _mm_and_si128(side, _mm_set1_epi32(0x01)));
tempL = _mm_slli_epi32(_mm_add_epi32(mid, side), shift);
tempR = _mm_slli_epi32(_mm_sub_epi32(mid, side), shift);
leftf = _mm_mul_ps(_mm_cvtepi32_ps(tempL), factor128);
rightf = _mm_mul_ps(_mm_cvtepi32_ps(tempR), factor128);
_mm_storeu_ps(pOutputSamples + i*8 + 0, _mm_unpacklo_ps(leftf, rightf));
_mm_storeu_ps(pOutputSamples + i*8 + 4, _mm_unpackhi_ps(leftf, rightf));
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 mid = pInputSamples0U32[i] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 side = pInputSamples1U32[i] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
mid = (mid << 1) | (side & 0x01);
pOutputSamples[i*2+0] = (ma_int32)((mid + side) << shift) * factor;
pOutputSamples[i*2+1] = (ma_int32)((mid - side) << shift) * factor;
}
}
}
#endif
#if defined(MA_DR_FLAC_SUPPORT_NEON)
static MA_INLINE void ma_dr_flac_read_pcm_frames_f32__decode_mid_side__neon(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, float* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift = unusedBitsPerSample - 8;
float factor;
float32x4_t factor4;
int32x4_t shift4;
int32x4_t wbps0_4;
int32x4_t wbps1_4;
MA_DR_FLAC_ASSERT(pFlac->bitsPerSample <= 24);
factor = 1.0f / 8388608.0f;
factor4 = vdupq_n_f32(factor);
wbps0_4 = vdupq_n_s32(pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample);
wbps1_4 = vdupq_n_s32(pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample);
if (shift == 0) {
for (i = 0; i < frameCount4; ++i) {
int32x4_t lefti;
int32x4_t righti;
float32x4_t leftf;
float32x4_t rightf;
uint32x4_t mid = vshlq_u32(vld1q_u32(pInputSamples0U32 + i*4), wbps0_4);
uint32x4_t side = vshlq_u32(vld1q_u32(pInputSamples1U32 + i*4), wbps1_4);
mid = vorrq_u32(vshlq_n_u32(mid, 1), vandq_u32(side, vdupq_n_u32(1)));
lefti = vshrq_n_s32(vreinterpretq_s32_u32(vaddq_u32(mid, side)), 1);
righti = vshrq_n_s32(vreinterpretq_s32_u32(vsubq_u32(mid, side)), 1);
leftf = vmulq_f32(vcvtq_f32_s32(lefti), factor4);
rightf = vmulq_f32(vcvtq_f32_s32(righti), factor4);
ma_dr_flac__vst2q_f32(pOutputSamples + i*8, vzipq_f32(leftf, rightf));
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 mid = pInputSamples0U32[i] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 side = pInputSamples1U32[i] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
mid = (mid << 1) | (side & 0x01);
pOutputSamples[i*2+0] = ((ma_int32)(mid + side) >> 1) * factor;
pOutputSamples[i*2+1] = ((ma_int32)(mid - side) >> 1) * factor;
}
} else {
shift -= 1;
shift4 = vdupq_n_s32(shift);
for (i = 0; i < frameCount4; ++i) {
uint32x4_t mid;
uint32x4_t side;
int32x4_t lefti;
int32x4_t righti;
float32x4_t leftf;
float32x4_t rightf;
mid = vshlq_u32(vld1q_u32(pInputSamples0U32 + i*4), wbps0_4);
side = vshlq_u32(vld1q_u32(pInputSamples1U32 + i*4), wbps1_4);
mid = vorrq_u32(vshlq_n_u32(mid, 1), vandq_u32(side, vdupq_n_u32(1)));
lefti = vreinterpretq_s32_u32(vshlq_u32(vaddq_u32(mid, side), shift4));
righti = vreinterpretq_s32_u32(vshlq_u32(vsubq_u32(mid, side), shift4));
leftf = vmulq_f32(vcvtq_f32_s32(lefti), factor4);
rightf = vmulq_f32(vcvtq_f32_s32(righti), factor4);
ma_dr_flac__vst2q_f32(pOutputSamples + i*8, vzipq_f32(leftf, rightf));
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
ma_uint32 mid = pInputSamples0U32[i] << pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 side = pInputSamples1U32[i] << pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
mid = (mid << 1) | (side & 0x01);
pOutputSamples[i*2+0] = (ma_int32)((mid + side) << shift) * factor;
pOutputSamples[i*2+1] = (ma_int32)((mid - side) << shift) * factor;
}
}
}
#endif
static MA_INLINE void ma_dr_flac_read_pcm_frames_f32__decode_mid_side(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, float* pOutputSamples)
{
#if defined(MA_DR_FLAC_SUPPORT_SSE2)
if (ma_dr_flac__gIsSSE2Supported && pFlac->bitsPerSample <= 24) {
ma_dr_flac_read_pcm_frames_f32__decode_mid_side__sse2(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
} else
#elif defined(MA_DR_FLAC_SUPPORT_NEON)
if (ma_dr_flac__gIsNEONSupported && pFlac->bitsPerSample <= 24) {
ma_dr_flac_read_pcm_frames_f32__decode_mid_side__neon(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
} else
#endif
{
#if 0
ma_dr_flac_read_pcm_frames_f32__decode_mid_side__reference(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
#else
ma_dr_flac_read_pcm_frames_f32__decode_mid_side__scalar(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
#endif
}
}
#if 0
static MA_INLINE void ma_dr_flac_read_pcm_frames_f32__decode_independent_stereo__reference(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, float* pOutputSamples)
{
for (ma_uint64 i = 0; i < frameCount; ++i) {
pOutputSamples[i*2+0] = (float)((ma_int32)((ma_uint32)pInputSamples0[i] << (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample)) / 2147483648.0);
pOutputSamples[i*2+1] = (float)((ma_int32)((ma_uint32)pInputSamples1[i] << (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample)) / 2147483648.0);
}
}
#endif
static MA_INLINE void ma_dr_flac_read_pcm_frames_f32__decode_independent_stereo__scalar(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, float* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift0 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample;
ma_uint32 shift1 = unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample;
float factor = 1 / 2147483648.0;
for (i = 0; i < frameCount4; ++i) {
ma_uint32 tempL0 = pInputSamples0U32[i*4+0] << shift0;
ma_uint32 tempL1 = pInputSamples0U32[i*4+1] << shift0;
ma_uint32 tempL2 = pInputSamples0U32[i*4+2] << shift0;
ma_uint32 tempL3 = pInputSamples0U32[i*4+3] << shift0;
ma_uint32 tempR0 = pInputSamples1U32[i*4+0] << shift1;
ma_uint32 tempR1 = pInputSamples1U32[i*4+1] << shift1;
ma_uint32 tempR2 = pInputSamples1U32[i*4+2] << shift1;
ma_uint32 tempR3 = pInputSamples1U32[i*4+3] << shift1;
pOutputSamples[i*8+0] = (ma_int32)tempL0 * factor;
pOutputSamples[i*8+1] = (ma_int32)tempR0 * factor;
pOutputSamples[i*8+2] = (ma_int32)tempL1 * factor;
pOutputSamples[i*8+3] = (ma_int32)tempR1 * factor;
pOutputSamples[i*8+4] = (ma_int32)tempL2 * factor;
pOutputSamples[i*8+5] = (ma_int32)tempR2 * factor;
pOutputSamples[i*8+6] = (ma_int32)tempL3 * factor;
pOutputSamples[i*8+7] = (ma_int32)tempR3 * factor;
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
pOutputSamples[i*2+0] = (ma_int32)(pInputSamples0U32[i] << shift0) * factor;
pOutputSamples[i*2+1] = (ma_int32)(pInputSamples1U32[i] << shift1) * factor;
}
}
#if defined(MA_DR_FLAC_SUPPORT_SSE2)
static MA_INLINE void ma_dr_flac_read_pcm_frames_f32__decode_independent_stereo__sse2(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, float* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift0 = (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample) - 8;
ma_uint32 shift1 = (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample) - 8;
float factor = 1.0f / 8388608.0f;
__m128 factor128 = _mm_set1_ps(factor);
for (i = 0; i < frameCount4; ++i) {
__m128i lefti;
__m128i righti;
__m128 leftf;
__m128 rightf;
lefti = _mm_slli_epi32(_mm_loadu_si128((const __m128i*)pInputSamples0 + i), shift0);
righti = _mm_slli_epi32(_mm_loadu_si128((const __m128i*)pInputSamples1 + i), shift1);
leftf = _mm_mul_ps(_mm_cvtepi32_ps(lefti), factor128);
rightf = _mm_mul_ps(_mm_cvtepi32_ps(righti), factor128);
_mm_storeu_ps(pOutputSamples + i*8 + 0, _mm_unpacklo_ps(leftf, rightf));
_mm_storeu_ps(pOutputSamples + i*8 + 4, _mm_unpackhi_ps(leftf, rightf));
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
pOutputSamples[i*2+0] = (ma_int32)(pInputSamples0U32[i] << shift0) * factor;
pOutputSamples[i*2+1] = (ma_int32)(pInputSamples1U32[i] << shift1) * factor;
}
}
#endif
#if defined(MA_DR_FLAC_SUPPORT_NEON)
static MA_INLINE void ma_dr_flac_read_pcm_frames_f32__decode_independent_stereo__neon(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, float* pOutputSamples)
{
ma_uint64 i;
ma_uint64 frameCount4 = frameCount >> 2;
const ma_uint32* pInputSamples0U32 = (const ma_uint32*)pInputSamples0;
const ma_uint32* pInputSamples1U32 = (const ma_uint32*)pInputSamples1;
ma_uint32 shift0 = (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[0].wastedBitsPerSample) - 8;
ma_uint32 shift1 = (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[1].wastedBitsPerSample) - 8;
float factor = 1.0f / 8388608.0f;
float32x4_t factor4 = vdupq_n_f32(factor);
int32x4_t shift0_4 = vdupq_n_s32(shift0);
int32x4_t shift1_4 = vdupq_n_s32(shift1);
for (i = 0; i < frameCount4; ++i) {
int32x4_t lefti;
int32x4_t righti;
float32x4_t leftf;
float32x4_t rightf;
lefti = vreinterpretq_s32_u32(vshlq_u32(vld1q_u32(pInputSamples0U32 + i*4), shift0_4));
righti = vreinterpretq_s32_u32(vshlq_u32(vld1q_u32(pInputSamples1U32 + i*4), shift1_4));
leftf = vmulq_f32(vcvtq_f32_s32(lefti), factor4);
rightf = vmulq_f32(vcvtq_f32_s32(righti), factor4);
ma_dr_flac__vst2q_f32(pOutputSamples + i*8, vzipq_f32(leftf, rightf));
}
for (i = (frameCount4 << 2); i < frameCount; ++i) {
pOutputSamples[i*2+0] = (ma_int32)(pInputSamples0U32[i] << shift0) * factor;
pOutputSamples[i*2+1] = (ma_int32)(pInputSamples1U32[i] << shift1) * factor;
}
}
#endif
static MA_INLINE void ma_dr_flac_read_pcm_frames_f32__decode_independent_stereo(ma_dr_flac* pFlac, ma_uint64 frameCount, ma_uint32 unusedBitsPerSample, const ma_int32* pInputSamples0, const ma_int32* pInputSamples1, float* pOutputSamples)
{
#if defined(MA_DR_FLAC_SUPPORT_SSE2)
if (ma_dr_flac__gIsSSE2Supported && pFlac->bitsPerSample <= 24) {
ma_dr_flac_read_pcm_frames_f32__decode_independent_stereo__sse2(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
} else
#elif defined(MA_DR_FLAC_SUPPORT_NEON)
if (ma_dr_flac__gIsNEONSupported && pFlac->bitsPerSample <= 24) {
ma_dr_flac_read_pcm_frames_f32__decode_independent_stereo__neon(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
} else
#endif
{
#if 0
ma_dr_flac_read_pcm_frames_f32__decode_independent_stereo__reference(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
#else
ma_dr_flac_read_pcm_frames_f32__decode_independent_stereo__scalar(pFlac, frameCount, unusedBitsPerSample, pInputSamples0, pInputSamples1, pOutputSamples);
#endif
}
}
MA_API ma_uint64 ma_dr_flac_read_pcm_frames_f32(ma_dr_flac* pFlac, ma_uint64 framesToRead, float* pBufferOut)
{
ma_uint64 framesRead;
ma_uint32 unusedBitsPerSample;
if (pFlac == NULL || framesToRead == 0) {
return 0;
}
if (pBufferOut == NULL) {
return ma_dr_flac__seek_forward_by_pcm_frames(pFlac, framesToRead);
}
MA_DR_FLAC_ASSERT(pFlac->bitsPerSample <= 32);
unusedBitsPerSample = 32 - pFlac->bitsPerSample;
framesRead = 0;
while (framesToRead > 0) {
if (pFlac->currentFLACFrame.pcmFramesRemaining == 0) {
if (!ma_dr_flac__read_and_decode_next_flac_frame(pFlac)) {
break;
}
} else {
unsigned int channelCount = ma_dr_flac__get_channel_count_from_channel_assignment(pFlac->currentFLACFrame.header.channelAssignment);
ma_uint64 iFirstPCMFrame = pFlac->currentFLACFrame.header.blockSizeInPCMFrames - pFlac->currentFLACFrame.pcmFramesRemaining;
ma_uint64 frameCountThisIteration = framesToRead;
if (frameCountThisIteration > pFlac->currentFLACFrame.pcmFramesRemaining) {
frameCountThisIteration = pFlac->currentFLACFrame.pcmFramesRemaining;
}
if (channelCount == 2) {
const ma_int32* pDecodedSamples0 = pFlac->currentFLACFrame.subframes[0].pSamplesS32 + iFirstPCMFrame;
const ma_int32* pDecodedSamples1 = pFlac->currentFLACFrame.subframes[1].pSamplesS32 + iFirstPCMFrame;
switch (pFlac->currentFLACFrame.header.channelAssignment)
{
case MA_DR_FLAC_CHANNEL_ASSIGNMENT_LEFT_SIDE:
{
ma_dr_flac_read_pcm_frames_f32__decode_left_side(pFlac, frameCountThisIteration, unusedBitsPerSample, pDecodedSamples0, pDecodedSamples1, pBufferOut);
} break;
case MA_DR_FLAC_CHANNEL_ASSIGNMENT_RIGHT_SIDE:
{
ma_dr_flac_read_pcm_frames_f32__decode_right_side(pFlac, frameCountThisIteration, unusedBitsPerSample, pDecodedSamples0, pDecodedSamples1, pBufferOut);
} break;
case MA_DR_FLAC_CHANNEL_ASSIGNMENT_MID_SIDE:
{
ma_dr_flac_read_pcm_frames_f32__decode_mid_side(pFlac, frameCountThisIteration, unusedBitsPerSample, pDecodedSamples0, pDecodedSamples1, pBufferOut);
} break;
case MA_DR_FLAC_CHANNEL_ASSIGNMENT_INDEPENDENT:
default:
{
ma_dr_flac_read_pcm_frames_f32__decode_independent_stereo(pFlac, frameCountThisIteration, unusedBitsPerSample, pDecodedSamples0, pDecodedSamples1, pBufferOut);
} break;
}
} else {
ma_uint64 i;
for (i = 0; i < frameCountThisIteration; ++i) {
unsigned int j;
for (j = 0; j < channelCount; ++j) {
ma_int32 sampleS32 = (ma_int32)((ma_uint32)(pFlac->currentFLACFrame.subframes[j].pSamplesS32[iFirstPCMFrame + i]) << (unusedBitsPerSample + pFlac->currentFLACFrame.subframes[j].wastedBitsPerSample));
pBufferOut[(i*channelCount)+j] = (float)(sampleS32 / 2147483648.0);
}
}
}
framesRead += frameCountThisIteration;
pBufferOut += frameCountThisIteration * channelCount;
framesToRead -= frameCountThisIteration;
pFlac->currentPCMFrame += frameCountThisIteration;
pFlac->currentFLACFrame.pcmFramesRemaining -= (unsigned int)frameCountThisIteration;
}
}
return framesRead;
}
MA_API ma_bool32 ma_dr_flac_seek_to_pcm_frame(ma_dr_flac* pFlac, ma_uint64 pcmFrameIndex)
{
if (pFlac == NULL) {
return MA_FALSE;
}
if (pFlac->currentPCMFrame == pcmFrameIndex) {
return MA_TRUE;
}
if (pFlac->firstFLACFramePosInBytes == 0) {
return MA_FALSE;
}
if (pcmFrameIndex == 0) {
pFlac->currentPCMFrame = 0;
return ma_dr_flac__seek_to_first_frame(pFlac);
} else {
ma_bool32 wasSuccessful = MA_FALSE;
ma_uint64 originalPCMFrame = pFlac->currentPCMFrame;
if (pcmFrameIndex > pFlac->totalPCMFrameCount) {
pcmFrameIndex = pFlac->totalPCMFrameCount;
}
if (pcmFrameIndex > pFlac->currentPCMFrame) {
ma_uint32 offset = (ma_uint32)(pcmFrameIndex - pFlac->currentPCMFrame);
if (pFlac->currentFLACFrame.pcmFramesRemaining > offset) {
pFlac->currentFLACFrame.pcmFramesRemaining -= offset;
pFlac->currentPCMFrame = pcmFrameIndex;
return MA_TRUE;
}
} else {
ma_uint32 offsetAbs = (ma_uint32)(pFlac->currentPCMFrame - pcmFrameIndex);
ma_uint32 currentFLACFramePCMFrameCount = pFlac->currentFLACFrame.header.blockSizeInPCMFrames;
ma_uint32 currentFLACFramePCMFramesConsumed = currentFLACFramePCMFrameCount - pFlac->currentFLACFrame.pcmFramesRemaining;
if (currentFLACFramePCMFramesConsumed > offsetAbs) {
pFlac->currentFLACFrame.pcmFramesRemaining += offsetAbs;
pFlac->currentPCMFrame = pcmFrameIndex;
return MA_TRUE;
}
}
#ifndef MA_DR_FLAC_NO_OGG
if (pFlac->container == ma_dr_flac_container_ogg)
{
wasSuccessful = ma_dr_flac_ogg__seek_to_pcm_frame(pFlac, pcmFrameIndex);
}
else
#endif
{
if (!pFlac->_noSeekTableSeek) {
wasSuccessful = ma_dr_flac__seek_to_pcm_frame__seek_table(pFlac, pcmFrameIndex);
}
#if !defined(MA_DR_FLAC_NO_CRC)
if (!wasSuccessful && !pFlac->_noBinarySearchSeek && pFlac->totalPCMFrameCount > 0) {
wasSuccessful = ma_dr_flac__seek_to_pcm_frame__binary_search(pFlac, pcmFrameIndex);
}
#endif
if (!wasSuccessful && !pFlac->_noBruteForceSeek) {
wasSuccessful = ma_dr_flac__seek_to_pcm_frame__brute_force(pFlac, pcmFrameIndex);
}
}
if (wasSuccessful) {
pFlac->currentPCMFrame = pcmFrameIndex;
} else {
if (ma_dr_flac_seek_to_pcm_frame(pFlac, originalPCMFrame) == MA_FALSE) {
ma_dr_flac_seek_to_pcm_frame(pFlac, 0);
}
}
return wasSuccessful;
}
}
#define MA_DR_FLAC_DEFINE_FULL_READ_AND_CLOSE(extension, type) \
static type* ma_dr_flac__full_read_and_close_ ## extension (ma_dr_flac* pFlac, unsigned int* channelsOut, unsigned int* sampleRateOut, ma_uint64* totalPCMFrameCountOut)\
{ \
type* pSampleData = NULL; \
ma_uint64 totalPCMFrameCount; \
type buffer[4096]; \
ma_uint64 pcmFramesRead; \
size_t sampleDataBufferSize = sizeof(buffer); \
\
MA_DR_FLAC_ASSERT(pFlac != NULL); \
\
totalPCMFrameCount = 0; \
\
pSampleData = (type*)ma_dr_flac__malloc_from_callbacks(sampleDataBufferSize, &pFlac->allocationCallbacks); \
if (pSampleData == NULL) { \
goto on_error; \
} \
\
while ((pcmFramesRead = (ma_uint64)ma_dr_flac_read_pcm_frames_##extension(pFlac, sizeof(buffer)/sizeof(buffer[0])/pFlac->channels, buffer)) > 0) { \
if (((totalPCMFrameCount + pcmFramesRead) * pFlac->channels * sizeof(type)) > sampleDataBufferSize) { \
type* pNewSampleData; \
size_t newSampleDataBufferSize; \
\
newSampleDataBufferSize = sampleDataBufferSize * 2; \
pNewSampleData = (type*)ma_dr_flac__realloc_from_callbacks(pSampleData, newSampleDataBufferSize, sampleDataBufferSize, &pFlac->allocationCallbacks); \
if (pNewSampleData == NULL) { \
ma_dr_flac__free_from_callbacks(pSampleData, &pFlac->allocationCallbacks); \
goto on_error; \
} \
\
sampleDataBufferSize = newSampleDataBufferSize; \
pSampleData = pNewSampleData; \
} \
\
MA_DR_FLAC_COPY_MEMORY(pSampleData + (totalPCMFrameCount*pFlac->channels), buffer, (size_t)(pcmFramesRead*pFlac->channels*sizeof(type))); \
totalPCMFrameCount += pcmFramesRead; \
} \
\
\
MA_DR_FLAC_ZERO_MEMORY(pSampleData + (totalPCMFrameCount*pFlac->channels), (size_t)(sampleDataBufferSize - totalPCMFrameCount*pFlac->channels*sizeof(type))); \
\
if (sampleRateOut) *sampleRateOut = pFlac->sampleRate; \
if (channelsOut) *channelsOut = pFlac->channels; \
if (totalPCMFrameCountOut) *totalPCMFrameCountOut = totalPCMFrameCount; \
\
ma_dr_flac_close(pFlac); \
return pSampleData; \
\
on_error: \
ma_dr_flac_close(pFlac); \
return NULL; \
}
MA_DR_FLAC_DEFINE_FULL_READ_AND_CLOSE(s32, ma_int32)
MA_DR_FLAC_DEFINE_FULL_READ_AND_CLOSE(s16, ma_int16)
MA_DR_FLAC_DEFINE_FULL_READ_AND_CLOSE(f32, float)
MA_API ma_int32* ma_dr_flac_open_and_read_pcm_frames_s32(ma_dr_flac_read_proc onRead, ma_dr_flac_seek_proc onSeek, ma_dr_flac_tell_proc onTell, void* pUserData, unsigned int* channelsOut, unsigned int* sampleRateOut, ma_uint64* totalPCMFrameCountOut, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_flac* pFlac;
if (channelsOut) {
*channelsOut = 0;
}
if (sampleRateOut) {
*sampleRateOut = 0;
}
if (totalPCMFrameCountOut) {
*totalPCMFrameCountOut = 0;
}
pFlac = ma_dr_flac_open(onRead, onSeek, onTell, pUserData, pAllocationCallbacks);
if (pFlac == NULL) {
return NULL;
}
return ma_dr_flac__full_read_and_close_s32(pFlac, channelsOut, sampleRateOut, totalPCMFrameCountOut);
}
MA_API ma_int16* ma_dr_flac_open_and_read_pcm_frames_s16(ma_dr_flac_read_proc onRead, ma_dr_flac_seek_proc onSeek, ma_dr_flac_tell_proc onTell, void* pUserData, unsigned int* channelsOut, unsigned int* sampleRateOut, ma_uint64* totalPCMFrameCountOut, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_flac* pFlac;
if (channelsOut) {
*channelsOut = 0;
}
if (sampleRateOut) {
*sampleRateOut = 0;
}
if (totalPCMFrameCountOut) {
*totalPCMFrameCountOut = 0;
}
pFlac = ma_dr_flac_open(onRead, onSeek, onTell, pUserData, pAllocationCallbacks);
if (pFlac == NULL) {
return NULL;
}
return ma_dr_flac__full_read_and_close_s16(pFlac, channelsOut, sampleRateOut, totalPCMFrameCountOut);
}
MA_API float* ma_dr_flac_open_and_read_pcm_frames_f32(ma_dr_flac_read_proc onRead, ma_dr_flac_seek_proc onSeek, ma_dr_flac_tell_proc onTell, void* pUserData, unsigned int* channelsOut, unsigned int* sampleRateOut, ma_uint64* totalPCMFrameCountOut, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_flac* pFlac;
if (channelsOut) {
*channelsOut = 0;
}
if (sampleRateOut) {
*sampleRateOut = 0;
}
if (totalPCMFrameCountOut) {
*totalPCMFrameCountOut = 0;
}
pFlac = ma_dr_flac_open(onRead, onSeek, onTell, pUserData, pAllocationCallbacks);
if (pFlac == NULL) {
return NULL;
}
return ma_dr_flac__full_read_and_close_f32(pFlac, channelsOut, sampleRateOut, totalPCMFrameCountOut);
}
#ifndef MA_DR_FLAC_NO_STDIO
MA_API ma_int32* ma_dr_flac_open_file_and_read_pcm_frames_s32(const char* filename, unsigned int* channels, unsigned int* sampleRate, ma_uint64* totalPCMFrameCount, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_flac* pFlac;
if (sampleRate) {
*sampleRate = 0;
}
if (channels) {
*channels = 0;
}
if (totalPCMFrameCount) {
*totalPCMFrameCount = 0;
}
pFlac = ma_dr_flac_open_file(filename, pAllocationCallbacks);
if (pFlac == NULL) {
return NULL;
}
return ma_dr_flac__full_read_and_close_s32(pFlac, channels, sampleRate, totalPCMFrameCount);
}
MA_API ma_int16* ma_dr_flac_open_file_and_read_pcm_frames_s16(const char* filename, unsigned int* channels, unsigned int* sampleRate, ma_uint64* totalPCMFrameCount, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_flac* pFlac;
if (sampleRate) {
*sampleRate = 0;
}
if (channels) {
*channels = 0;
}
if (totalPCMFrameCount) {
*totalPCMFrameCount = 0;
}
pFlac = ma_dr_flac_open_file(filename, pAllocationCallbacks);
if (pFlac == NULL) {
return NULL;
}
return ma_dr_flac__full_read_and_close_s16(pFlac, channels, sampleRate, totalPCMFrameCount);
}
MA_API float* ma_dr_flac_open_file_and_read_pcm_frames_f32(const char* filename, unsigned int* channels, unsigned int* sampleRate, ma_uint64* totalPCMFrameCount, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_flac* pFlac;
if (sampleRate) {
*sampleRate = 0;
}
if (channels) {
*channels = 0;
}
if (totalPCMFrameCount) {
*totalPCMFrameCount = 0;
}
pFlac = ma_dr_flac_open_file(filename, pAllocationCallbacks);
if (pFlac == NULL) {
return NULL;
}
return ma_dr_flac__full_read_and_close_f32(pFlac, channels, sampleRate, totalPCMFrameCount);
}
#endif
MA_API ma_int32* ma_dr_flac_open_memory_and_read_pcm_frames_s32(const void* data, size_t dataSize, unsigned int* channels, unsigned int* sampleRate, ma_uint64* totalPCMFrameCount, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_flac* pFlac;
if (sampleRate) {
*sampleRate = 0;
}
if (channels) {
*channels = 0;
}
if (totalPCMFrameCount) {
*totalPCMFrameCount = 0;
}
pFlac = ma_dr_flac_open_memory(data, dataSize, pAllocationCallbacks);
if (pFlac == NULL) {
return NULL;
}
return ma_dr_flac__full_read_and_close_s32(pFlac, channels, sampleRate, totalPCMFrameCount);
}
MA_API ma_int16* ma_dr_flac_open_memory_and_read_pcm_frames_s16(const void* data, size_t dataSize, unsigned int* channels, unsigned int* sampleRate, ma_uint64* totalPCMFrameCount, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_flac* pFlac;
if (sampleRate) {
*sampleRate = 0;
}
if (channels) {
*channels = 0;
}
if (totalPCMFrameCount) {
*totalPCMFrameCount = 0;
}
pFlac = ma_dr_flac_open_memory(data, dataSize, pAllocationCallbacks);
if (pFlac == NULL) {
return NULL;
}
return ma_dr_flac__full_read_and_close_s16(pFlac, channels, sampleRate, totalPCMFrameCount);
}
MA_API float* ma_dr_flac_open_memory_and_read_pcm_frames_f32(const void* data, size_t dataSize, unsigned int* channels, unsigned int* sampleRate, ma_uint64* totalPCMFrameCount, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_flac* pFlac;
if (sampleRate) {
*sampleRate = 0;
}
if (channels) {
*channels = 0;
}
if (totalPCMFrameCount) {
*totalPCMFrameCount = 0;
}
pFlac = ma_dr_flac_open_memory(data, dataSize, pAllocationCallbacks);
if (pFlac == NULL) {
return NULL;
}
return ma_dr_flac__full_read_and_close_f32(pFlac, channels, sampleRate, totalPCMFrameCount);
}
MA_API void ma_dr_flac_free(void* p, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pAllocationCallbacks != NULL) {
ma_dr_flac__free_from_callbacks(p, pAllocationCallbacks);
} else {
ma_dr_flac__free_default(p, NULL);
}
}
MA_API void ma_dr_flac_init_vorbis_comment_iterator(ma_dr_flac_vorbis_comment_iterator* pIter, ma_uint32 commentCount, const void* pComments)
{
if (pIter == NULL) {
return;
}
pIter->countRemaining = commentCount;
pIter->pRunningData = (const char*)pComments;
}
MA_API const char* ma_dr_flac_next_vorbis_comment(ma_dr_flac_vorbis_comment_iterator* pIter, ma_uint32* pCommentLengthOut)
{
ma_int32 length;
const char* pComment;
if (pCommentLengthOut) {
*pCommentLengthOut = 0;
}
if (pIter == NULL || pIter->countRemaining == 0 || pIter->pRunningData == NULL) {
return NULL;
}
length = ma_dr_flac__le2host_32_ptr_unaligned(pIter->pRunningData);
pIter->pRunningData += 4;
pComment = pIter->pRunningData;
pIter->pRunningData += length;
pIter->countRemaining -= 1;
if (pCommentLengthOut) {
*pCommentLengthOut = length;
}
return pComment;
}
MA_API void ma_dr_flac_init_cuesheet_track_iterator(ma_dr_flac_cuesheet_track_iterator* pIter, ma_uint32 trackCount, const void* pTrackData)
{
if (pIter == NULL) {
return;
}
pIter->countRemaining = trackCount;
pIter->pRunningData = (const char*)pTrackData;
}
MA_API ma_bool32 ma_dr_flac_next_cuesheet_track(ma_dr_flac_cuesheet_track_iterator* pIter, ma_dr_flac_cuesheet_track* pCuesheetTrack)
{
ma_dr_flac_cuesheet_track cuesheetTrack;
const char* pRunningData;
ma_uint64 offsetHi;
ma_uint64 offsetLo;
if (pIter == NULL || pIter->countRemaining == 0 || pIter->pRunningData == NULL) {
return MA_FALSE;
}
pRunningData = pIter->pRunningData;
offsetHi = ma_dr_flac__be2host_32(*(const ma_uint32*)pRunningData); pRunningData += 4;
offsetLo = ma_dr_flac__be2host_32(*(const ma_uint32*)pRunningData); pRunningData += 4;
cuesheetTrack.offset = offsetLo | (offsetHi << 32);
cuesheetTrack.trackNumber = pRunningData[0]; pRunningData += 1;
MA_DR_FLAC_COPY_MEMORY(cuesheetTrack.ISRC, pRunningData, sizeof(cuesheetTrack.ISRC)); pRunningData += 12;
cuesheetTrack.isAudio = (pRunningData[0] & 0x80) != 0;
cuesheetTrack.preEmphasis = (pRunningData[0] & 0x40) != 0; pRunningData += 14;
cuesheetTrack.indexCount = pRunningData[0]; pRunningData += 1;
cuesheetTrack.pIndexPoints = (const ma_dr_flac_cuesheet_track_index*)pRunningData; pRunningData += cuesheetTrack.indexCount * sizeof(ma_dr_flac_cuesheet_track_index);
pIter->pRunningData = pRunningData;
pIter->countRemaining -= 1;
if (pCuesheetTrack) {
*pCuesheetTrack = cuesheetTrack;
}
return MA_TRUE;
}
#if defined(__clang__) || (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)))
#pragma GCC diagnostic pop
#endif
#endif
#endif
#endif
#if !defined(MA_NO_MP3) && !defined(MA_NO_DECODING)
#if !defined(MA_DR_MP3_IMPLEMENTATION)
#ifndef ma_dr_mp3_c
#define ma_dr_mp3_c
#include <stdlib.h>
#include <string.h>
#include <limits.h>
MA_API void ma_dr_mp3_version(ma_uint32* pMajor, ma_uint32* pMinor, ma_uint32* pRevision)
{
if (pMajor) {
*pMajor = MA_DR_MP3_VERSION_MAJOR;
}
if (pMinor) {
*pMinor = MA_DR_MP3_VERSION_MINOR;
}
if (pRevision) {
*pRevision = MA_DR_MP3_VERSION_REVISION;
}
}
MA_API const char* ma_dr_mp3_version_string(void)
{
return MA_DR_MP3_VERSION_STRING;
}
#if defined(__TINYC__)
#define MA_DR_MP3_NO_SIMD
#endif
#define MA_DR_MP3_OFFSET_PTR(p, offset) ((void*)((ma_uint8*)(p) + (offset)))
#ifndef MA_DR_MP3_MAX_FRAME_SYNC_MATCHES
#define MA_DR_MP3_MAX_FRAME_SYNC_MATCHES 10
#endif
#define MA_DR_MP3_SHORT_BLOCK_TYPE 2
#define MA_DR_MP3_STOP_BLOCK_TYPE 3
#define MA_DR_MP3_MODE_MONO 3
#define MA_DR_MP3_MODE_JOINT_STEREO 1
#define MA_DR_MP3_HDR_SIZE 4
#define MA_DR_MP3_HDR_IS_MONO(h) (((h[3]) & 0xC0) == 0xC0)
#define MA_DR_MP3_HDR_IS_MS_STEREO(h) (((h[3]) & 0xE0) == 0x60)
#define MA_DR_MP3_HDR_IS_FREE_FORMAT(h) (((h[2]) & 0xF0) == 0)
#define MA_DR_MP3_HDR_IS_CRC(h) (!((h[1]) & 1))
#define MA_DR_MP3_HDR_TEST_PADDING(h) ((h[2]) & 0x2)
#define MA_DR_MP3_HDR_TEST_MPEG1(h) ((h[1]) & 0x8)
#define MA_DR_MP3_HDR_TEST_NOT_MPEG25(h) ((h[1]) & 0x10)
#define MA_DR_MP3_HDR_TEST_I_STEREO(h) ((h[3]) & 0x10)
#define MA_DR_MP3_HDR_TEST_MS_STEREO(h) ((h[3]) & 0x20)
#define MA_DR_MP3_HDR_GET_STEREO_MODE(h) (((h[3]) >> 6) & 3)
#define MA_DR_MP3_HDR_GET_STEREO_MODE_EXT(h) (((h[3]) >> 4) & 3)
#define MA_DR_MP3_HDR_GET_LAYER(h) (((h[1]) >> 1) & 3)
#define MA_DR_MP3_HDR_GET_BITRATE(h) ((h[2]) >> 4)
#define MA_DR_MP3_HDR_GET_SAMPLE_RATE(h) (((h[2]) >> 2) & 3)
#define MA_DR_MP3_HDR_GET_MY_SAMPLE_RATE(h) (MA_DR_MP3_HDR_GET_SAMPLE_RATE(h) + (((h[1] >> 3) & 1) + ((h[1] >> 4) & 1))*3)
#define MA_DR_MP3_HDR_IS_FRAME_576(h) ((h[1] & 14) == 2)
#define MA_DR_MP3_HDR_IS_LAYER_1(h) ((h[1] & 6) == 6)
#define MA_DR_MP3_BITS_DEQUANTIZER_OUT -1
#define MA_DR_MP3_MAX_SCF (255 + MA_DR_MP3_BITS_DEQUANTIZER_OUT*4 - 210)
#define MA_DR_MP3_MAX_SCFI ((MA_DR_MP3_MAX_SCF + 3) & ~3)
#define MA_DR_MP3_MIN(a, b) ((a) > (b) ? (b) : (a))
#define MA_DR_MP3_MAX(a, b) ((a) < (b) ? (b) : (a))
#if !defined(MA_DR_MP3_NO_SIMD)
#if !defined(MA_DR_MP3_ONLY_SIMD) && (defined(_M_X64) || defined(__x86_64__) || defined(__aarch64__) || defined(_M_ARM64) || defined(_M_ARM64EC))
#define MA_DR_MP3_ONLY_SIMD
#endif
#if ((defined(_MSC_VER) && _MSC_VER >= 1400) && defined(_M_X64)) || ((defined(__i386) || defined(_M_IX86) || defined(__i386__) || defined(__x86_64__)) && ((defined(_M_IX86_FP) && _M_IX86_FP == 2) || defined(__SSE2__)))
#if defined(_MSC_VER)
#include <intrin.h>
#endif
#include <emmintrin.h>
#define MA_DR_MP3_HAVE_SSE 1
#define MA_DR_MP3_HAVE_SIMD 1
#define MA_DR_MP3_VSTORE _mm_storeu_ps
#define MA_DR_MP3_VLD _mm_loadu_ps
#define MA_DR_MP3_VSET _mm_set1_ps
#define MA_DR_MP3_VADD _mm_add_ps
#define MA_DR_MP3_VSUB _mm_sub_ps
#define MA_DR_MP3_VMUL _mm_mul_ps
#define MA_DR_MP3_VMAC(a, x, y) _mm_add_ps(a, _mm_mul_ps(x, y))
#define MA_DR_MP3_VMSB(a, x, y) _mm_sub_ps(a, _mm_mul_ps(x, y))
#define MA_DR_MP3_VMUL_S(x, s) _mm_mul_ps(x, _mm_set1_ps(s))
#define MA_DR_MP3_VREV(x) _mm_shuffle_ps(x, x, _MM_SHUFFLE(0, 1, 2, 3))
typedef __m128 ma_dr_mp3_f4;
#if (defined(_MSC_VER) || defined(MA_DR_MP3_ONLY_SIMD)) && !defined(__clang__)
#define ma_dr_mp3_cpuid __cpuid
#else
static __inline__ __attribute__((always_inline)) void ma_dr_mp3_cpuid(int CPUInfo[], const int InfoType)
{
#if defined(__PIC__)
__asm__ __volatile__(
#if defined(__x86_64__)
"push %%rbx\n"
"cpuid\n"
"xchgl %%ebx, %1\n"
"pop %%rbx\n"
#else
"xchgl %%ebx, %1\n"
"cpuid\n"
"xchgl %%ebx, %1\n"
#endif
: "=a" (CPUInfo[0]), "=r" (CPUInfo[1]), "=c" (CPUInfo[2]), "=d" (CPUInfo[3])
: "a" (InfoType));
#else
__asm__ __volatile__(
"cpuid"
: "=a" (CPUInfo[0]), "=b" (CPUInfo[1]), "=c" (CPUInfo[2]), "=d" (CPUInfo[3])
: "a" (InfoType));
#endif
}
#endif
static int ma_dr_mp3_have_simd(void)
{
#ifdef MA_DR_MP3_ONLY_SIMD
return 1;
#else
static int g_have_simd;
int CPUInfo[4];
#ifdef MINIMP3_TEST
static int g_counter;
if (g_counter++ > 100)
return 0;
#endif
if (g_have_simd)
goto end;
ma_dr_mp3_cpuid(CPUInfo, 0);
if (CPUInfo[0] > 0)
{
ma_dr_mp3_cpuid(CPUInfo, 1);
g_have_simd = (CPUInfo[3] & (1 << 26)) + 1;
return g_have_simd - 1;
}
end:
return g_have_simd - 1;
#endif
}
#elif defined(__ARM_NEON) || defined(__aarch64__) || defined(_M_ARM64) || defined(_M_ARM64EC)
#include <arm_neon.h>
#define MA_DR_MP3_HAVE_SSE 0
#define MA_DR_MP3_HAVE_SIMD 1
#define MA_DR_MP3_VSTORE vst1q_f32
#define MA_DR_MP3_VLD vld1q_f32
#define MA_DR_MP3_VSET vmovq_n_f32
#define MA_DR_MP3_VADD vaddq_f32
#define MA_DR_MP3_VSUB vsubq_f32
#define MA_DR_MP3_VMUL vmulq_f32
#define MA_DR_MP3_VMAC(a, x, y) vmlaq_f32(a, x, y)
#define MA_DR_MP3_VMSB(a, x, y) vmlsq_f32(a, x, y)
#define MA_DR_MP3_VMUL_S(x, s) vmulq_f32(x, vmovq_n_f32(s))
#define MA_DR_MP3_VREV(x) vcombine_f32(vget_high_f32(vrev64q_f32(x)), vget_low_f32(vrev64q_f32(x)))
typedef float32x4_t ma_dr_mp3_f4;
static int ma_dr_mp3_have_simd(void)
{
return 1;
}
#else
#define MA_DR_MP3_HAVE_SSE 0
#define MA_DR_MP3_HAVE_SIMD 0
#ifdef MA_DR_MP3_ONLY_SIMD
#error MA_DR_MP3_ONLY_SIMD used, but SSE/NEON not enabled
#endif
#endif
#else
#define MA_DR_MP3_HAVE_SIMD 0
#endif
#if defined(__ARM_ARCH) && (__ARM_ARCH >= 6) && !defined(__aarch64__) && !defined(_M_ARM64) && !defined(_M_ARM64EC) && !defined(__ARM_ARCH_6M__)
#define MA_DR_MP3_HAVE_ARMV6 1
static __inline__ __attribute__((always_inline)) ma_int32 ma_dr_mp3_clip_int16_arm(ma_int32 a)
{
ma_int32 x = 0;
__asm__ ("ssat %0, #16, %1" : "=r"(x) : "r"(a));
return x;
}
#else
#define MA_DR_MP3_HAVE_ARMV6 0
#endif
#ifndef MA_DR_MP3_ASSERT
#include <assert.h>
#define MA_DR_MP3_ASSERT(expression) assert(expression)
#endif
#ifndef MA_DR_MP3_COPY_MEMORY
#define MA_DR_MP3_COPY_MEMORY(dst, src, sz) memcpy((dst), (src), (sz))
#endif
#ifndef MA_DR_MP3_MOVE_MEMORY
#define MA_DR_MP3_MOVE_MEMORY(dst, src, sz) memmove((dst), (src), (sz))
#endif
#ifndef MA_DR_MP3_ZERO_MEMORY
#define MA_DR_MP3_ZERO_MEMORY(p, sz) memset((p), 0, (sz))
#endif
#define MA_DR_MP3_ZERO_OBJECT(p) MA_DR_MP3_ZERO_MEMORY((p), sizeof(*(p)))
#ifndef MA_DR_MP3_MALLOC
#define MA_DR_MP3_MALLOC(sz) malloc((sz))
#endif
#ifndef MA_DR_MP3_REALLOC
#define MA_DR_MP3_REALLOC(p, sz) realloc((p), (sz))
#endif
#ifndef MA_DR_MP3_FREE
#define MA_DR_MP3_FREE(p) free((p))
#endif
typedef struct
{
float scf[3*64];
ma_uint8 total_bands, stereo_bands, bitalloc[64], scfcod[64];
} ma_dr_mp3_L12_scale_info;
typedef struct
{
ma_uint8 tab_offset, code_tab_width, band_count;
} ma_dr_mp3_L12_subband_alloc;
static void ma_dr_mp3_bs_init(ma_dr_mp3_bs *bs, const ma_uint8 *data, int bytes)
{
bs->buf = data;
bs->pos = 0;
bs->limit = bytes*8;
}
static ma_uint32 ma_dr_mp3_bs_get_bits(ma_dr_mp3_bs *bs, int n)
{
ma_uint32 next, cache = 0, s = bs->pos & 7;
int shl = n + s;
const ma_uint8 *p = bs->buf + (bs->pos >> 3);
if ((bs->pos += n) > bs->limit)
return 0;
next = *p++ & (255 >> s);
while ((shl -= 8) > 0)
{
cache |= next << shl;
next = *p++;
}
return cache | (next >> -shl);
}
static int ma_dr_mp3_hdr_valid(const ma_uint8 *h)
{
return h[0] == 0xff &&
((h[1] & 0xF0) == 0xf0 || (h[1] & 0xFE) == 0xe2) &&
(MA_DR_MP3_HDR_GET_LAYER(h) != 0) &&
(MA_DR_MP3_HDR_GET_BITRATE(h) != 15) &&
(MA_DR_MP3_HDR_GET_SAMPLE_RATE(h) != 3);
}
static int ma_dr_mp3_hdr_compare(const ma_uint8 *h1, const ma_uint8 *h2)
{
return ma_dr_mp3_hdr_valid(h2) &&
((h1[1] ^ h2[1]) & 0xFE) == 0 &&
((h1[2] ^ h2[2]) & 0x0C) == 0 &&
!(MA_DR_MP3_HDR_IS_FREE_FORMAT(h1) ^ MA_DR_MP3_HDR_IS_FREE_FORMAT(h2));
}
static unsigned ma_dr_mp3_hdr_bitrate_kbps(const ma_uint8 *h)
{
static const ma_uint8 halfrate[2][3][15] = {
{ { 0,4,8,12,16,20,24,28,32,40,48,56,64,72,80 }, { 0,4,8,12,16,20,24,28,32,40,48,56,64,72,80 }, { 0,16,24,28,32,40,48,56,64,72,80,88,96,112,128 } },
{ { 0,16,20,24,28,32,40,48,56,64,80,96,112,128,160 }, { 0,16,24,28,32,40,48,56,64,80,96,112,128,160,192 }, { 0,16,32,48,64,80,96,112,128,144,160,176,192,208,224 } },
};
return 2*halfrate[!!MA_DR_MP3_HDR_TEST_MPEG1(h)][MA_DR_MP3_HDR_GET_LAYER(h) - 1][MA_DR_MP3_HDR_GET_BITRATE(h)];
}
static unsigned ma_dr_mp3_hdr_sample_rate_hz(const ma_uint8 *h)
{
static const unsigned g_hz[3] = { 44100, 48000, 32000 };
return g_hz[MA_DR_MP3_HDR_GET_SAMPLE_RATE(h)] >> (int)!MA_DR_MP3_HDR_TEST_MPEG1(h) >> (int)!MA_DR_MP3_HDR_TEST_NOT_MPEG25(h);
}
static unsigned ma_dr_mp3_hdr_frame_samples(const ma_uint8 *h)
{
return MA_DR_MP3_HDR_IS_LAYER_1(h) ? 384 : (1152 >> (int)MA_DR_MP3_HDR_IS_FRAME_576(h));
}
static int ma_dr_mp3_hdr_frame_bytes(const ma_uint8 *h, int free_format_size)
{
int frame_bytes = ma_dr_mp3_hdr_frame_samples(h)*ma_dr_mp3_hdr_bitrate_kbps(h)*125/ma_dr_mp3_hdr_sample_rate_hz(h);
if (MA_DR_MP3_HDR_IS_LAYER_1(h))
{
frame_bytes &= ~3;
}
return frame_bytes ? frame_bytes : free_format_size;
}
static int ma_dr_mp3_hdr_padding(const ma_uint8 *h)
{
return MA_DR_MP3_HDR_TEST_PADDING(h) ? (MA_DR_MP3_HDR_IS_LAYER_1(h) ? 4 : 1) : 0;
}
#ifndef MA_DR_MP3_ONLY_MP3
static const ma_dr_mp3_L12_subband_alloc *ma_dr_mp3_L12_subband_alloc_table(const ma_uint8 *hdr, ma_dr_mp3_L12_scale_info *sci)
{
const ma_dr_mp3_L12_subband_alloc *alloc;
int mode = MA_DR_MP3_HDR_GET_STEREO_MODE(hdr);
int nbands, stereo_bands = (mode == MA_DR_MP3_MODE_MONO) ? 0 : (mode == MA_DR_MP3_MODE_JOINT_STEREO) ? (MA_DR_MP3_HDR_GET_STEREO_MODE_EXT(hdr) << 2) + 4 : 32;
if (MA_DR_MP3_HDR_IS_LAYER_1(hdr))
{
static const ma_dr_mp3_L12_subband_alloc g_alloc_L1[] = { { 76, 4, 32 } };
alloc = g_alloc_L1;
nbands = 32;
} else if (!MA_DR_MP3_HDR_TEST_MPEG1(hdr))
{
static const ma_dr_mp3_L12_subband_alloc g_alloc_L2M2[] = { { 60, 4, 4 }, { 44, 3, 7 }, { 44, 2, 19 } };
alloc = g_alloc_L2M2;
nbands = 30;
} else
{
static const ma_dr_mp3_L12_subband_alloc g_alloc_L2M1[] = { { 0, 4, 3 }, { 16, 4, 8 }, { 32, 3, 12 }, { 40, 2, 7 } };
int sample_rate_idx = MA_DR_MP3_HDR_GET_SAMPLE_RATE(hdr);
unsigned kbps = ma_dr_mp3_hdr_bitrate_kbps(hdr) >> (int)(mode != MA_DR_MP3_MODE_MONO);
if (!kbps)
{
kbps = 192;
}
alloc = g_alloc_L2M1;
nbands = 27;
if (kbps < 56)
{
static const ma_dr_mp3_L12_subband_alloc g_alloc_L2M1_lowrate[] = { { 44, 4, 2 }, { 44, 3, 10 } };
alloc = g_alloc_L2M1_lowrate;
nbands = sample_rate_idx == 2 ? 12 : 8;
} else if (kbps >= 96 && sample_rate_idx != 1)
{
nbands = 30;
}
}
sci->total_bands = (ma_uint8)nbands;
sci->stereo_bands = (ma_uint8)MA_DR_MP3_MIN(stereo_bands, nbands);
return alloc;
}
static void ma_dr_mp3_L12_read_scalefactors(ma_dr_mp3_bs *bs, ma_uint8 *pba, ma_uint8 *scfcod, int bands, float *scf)
{
static const float g_deq_L12[18*3] = {
#define MA_DR_MP3_DQ(x) 9.53674316e-07f/x, 7.56931807e-07f/x, 6.00777173e-07f/x
MA_DR_MP3_DQ(3),MA_DR_MP3_DQ(7),MA_DR_MP3_DQ(15),MA_DR_MP3_DQ(31),MA_DR_MP3_DQ(63),MA_DR_MP3_DQ(127),MA_DR_MP3_DQ(255),MA_DR_MP3_DQ(511),MA_DR_MP3_DQ(1023),MA_DR_MP3_DQ(2047),MA_DR_MP3_DQ(4095),MA_DR_MP3_DQ(8191),MA_DR_MP3_DQ(16383),MA_DR_MP3_DQ(32767),MA_DR_MP3_DQ(65535),MA_DR_MP3_DQ(3),MA_DR_MP3_DQ(5),MA_DR_MP3_DQ(9)
};
int i, m;
for (i = 0; i < bands; i++)
{
float s = 0;
int ba = *pba++;
int mask = ba ? 4 + ((19 >> scfcod[i]) & 3) : 0;
for (m = 4; m; m >>= 1)
{
if (mask & m)
{
int b = ma_dr_mp3_bs_get_bits(bs, 6);
s = g_deq_L12[ba*3 - 6 + b % 3]*(int)(1 << 21 >> b/3);
}
*scf++ = s;
}
}
}
static void ma_dr_mp3_L12_read_scale_info(const ma_uint8 *hdr, ma_dr_mp3_bs *bs, ma_dr_mp3_L12_scale_info *sci)
{
static const ma_uint8 g_bitalloc_code_tab[] = {
0,17, 3, 4, 5,6,7, 8,9,10,11,12,13,14,15,16,
0,17,18, 3,19,4,5, 6,7, 8, 9,10,11,12,13,16,
0,17,18, 3,19,4,5,16,
0,17,18,16,
0,17,18,19, 4,5,6, 7,8, 9,10,11,12,13,14,15,
0,17,18, 3,19,4,5, 6,7, 8, 9,10,11,12,13,14,
0, 2, 3, 4, 5,6,7, 8,9,10,11,12,13,14,15,16
};
const ma_dr_mp3_L12_subband_alloc *subband_alloc = ma_dr_mp3_L12_subband_alloc_table(hdr, sci);
int i, k = 0, ba_bits = 0;
const ma_uint8 *ba_code_tab = g_bitalloc_code_tab;
for (i = 0; i < sci->total_bands; i++)
{
ma_uint8 ba;
if (i == k)
{
k += subband_alloc->band_count;
ba_bits = subband_alloc->code_tab_width;
ba_code_tab = g_bitalloc_code_tab + subband_alloc->tab_offset;
subband_alloc++;
}
ba = ba_code_tab[ma_dr_mp3_bs_get_bits(bs, ba_bits)];
sci->bitalloc[2*i] = ba;
if (i < sci->stereo_bands)
{
ba = ba_code_tab[ma_dr_mp3_bs_get_bits(bs, ba_bits)];
}
sci->bitalloc[2*i + 1] = sci->stereo_bands ? ba : 0;
}
for (i = 0; i < 2*sci->total_bands; i++)
{
sci->scfcod[i] = (ma_uint8)(sci->bitalloc[i] ? MA_DR_MP3_HDR_IS_LAYER_1(hdr) ? 2 : ma_dr_mp3_bs_get_bits(bs, 2) : 6);
}
ma_dr_mp3_L12_read_scalefactors(bs, sci->bitalloc, sci->scfcod, sci->total_bands*2, sci->scf);
for (i = sci->stereo_bands; i < sci->total_bands; i++)
{
sci->bitalloc[2*i + 1] = 0;
}
}
static int ma_dr_mp3_L12_dequantize_granule(float *grbuf, ma_dr_mp3_bs *bs, ma_dr_mp3_L12_scale_info *sci, int group_size)
{
int i, j, k, choff = 576;
for (j = 0; j < 4; j++)
{
float *dst = grbuf + group_size*j;
for (i = 0; i < 2*sci->total_bands; i++)
{
int ba = sci->bitalloc[i];
if (ba != 0)
{
if (ba < 17)
{
int half = (1 << (ba - 1)) - 1;
for (k = 0; k < group_size; k++)
{
dst[k] = (float)((int)ma_dr_mp3_bs_get_bits(bs, ba) - half);
}
} else
{
unsigned mod = (2 << (ba - 17)) + 1;
unsigned code = ma_dr_mp3_bs_get_bits(bs, mod + 2 - (mod >> 3));
for (k = 0; k < group_size; k++, code /= mod)
{
dst[k] = (float)((int)(code % mod - mod/2));
}
}
}
dst += choff;
choff = 18 - choff;
}
}
return group_size*4;
}
static void ma_dr_mp3_L12_apply_scf_384(ma_dr_mp3_L12_scale_info *sci, const float *scf, float *dst)
{
int i, k;
MA_DR_MP3_COPY_MEMORY(dst + 576 + sci->stereo_bands*18, dst + sci->stereo_bands*18, (sci->total_bands - sci->stereo_bands)*18*sizeof(float));
for (i = 0; i < sci->total_bands; i++, dst += 18, scf += 6)
{
for (k = 0; k < 12; k++)
{
dst[k + 0] *= scf[0];
dst[k + 576] *= scf[3];
}
}
}
#endif
static int ma_dr_mp3_L3_read_side_info(ma_dr_mp3_bs *bs, ma_dr_mp3_L3_gr_info *gr, const ma_uint8 *hdr)
{
static const ma_uint8 g_scf_long[8][23] = {
{ 6,6,6,6,6,6,8,10,12,14,16,20,24,28,32,38,46,52,60,68,58,54,0 },
{ 12,12,12,12,12,12,16,20,24,28,32,40,48,56,64,76,90,2,2,2,2,2,0 },
{ 6,6,6,6,6,6,8,10,12,14,16,20,24,28,32,38,46,52,60,68,58,54,0 },
{ 6,6,6,6,6,6,8,10,12,14,16,18,22,26,32,38,46,54,62,70,76,36,0 },
{ 6,6,6,6,6,6,8,10,12,14,16,20,24,28,32,38,46,52,60,68,58,54,0 },
{ 4,4,4,4,4,4,6,6,8,8,10,12,16,20,24,28,34,42,50,54,76,158,0 },
{ 4,4,4,4,4,4,6,6,6,8,10,12,16,18,22,28,34,40,46,54,54,192,0 },
{ 4,4,4,4,4,4,6,6,8,10,12,16,20,24,30,38,46,56,68,84,102,26,0 }
};
static const ma_uint8 g_scf_short[8][40] = {
{ 4,4,4,4,4,4,4,4,4,6,6,6,8,8,8,10,10,10,12,12,12,14,14,14,18,18,18,24,24,24,30,30,30,40,40,40,18,18,18,0 },
{ 8,8,8,8,8,8,8,8,8,12,12,12,16,16,16,20,20,20,24,24,24,28,28,28,36,36,36,2,2,2,2,2,2,2,2,2,26,26,26,0 },
{ 4,4,4,4,4,4,4,4,4,6,6,6,6,6,6,8,8,8,10,10,10,14,14,14,18,18,18,26,26,26,32,32,32,42,42,42,18,18,18,0 },
{ 4,4,4,4,4,4,4,4,4,6,6,6,8,8,8,10,10,10,12,12,12,14,14,14,18,18,18,24,24,24,32,32,32,44,44,44,12,12,12,0 },
{ 4,4,4,4,4,4,4,4,4,6,6,6,8,8,8,10,10,10,12,12,12,14,14,14,18,18,18,24,24,24,30,30,30,40,40,40,18,18,18,0 },
{ 4,4,4,4,4,4,4,4,4,4,4,4,6,6,6,8,8,8,10,10,10,12,12,12,14,14,14,18,18,18,22,22,22,30,30,30,56,56,56,0 },
{ 4,4,4,4,4,4,4,4,4,4,4,4,6,6,6,6,6,6,10,10,10,12,12,12,14,14,14,16,16,16,20,20,20,26,26,26,66,66,66,0 },
{ 4,4,4,4,4,4,4,4,4,4,4,4,6,6,6,8,8,8,12,12,12,16,16,16,20,20,20,26,26,26,34,34,34,42,42,42,12,12,12,0 }
};
static const ma_uint8 g_scf_mixed[8][40] = {
{ 6,6,6,6,6,6,6,6,6,8,8,8,10,10,10,12,12,12,14,14,14,18,18,18,24,24,24,30,30,30,40,40,40,18,18,18,0 },
{ 12,12,12,4,4,4,8,8,8,12,12,12,16,16,16,20,20,20,24,24,24,28,28,28,36,36,36,2,2,2,2,2,2,2,2,2,26,26,26,0 },
{ 6,6,6,6,6,6,6,6,6,6,6,6,8,8,8,10,10,10,14,14,14,18,18,18,26,26,26,32,32,32,42,42,42,18,18,18,0 },
{ 6,6,6,6,6,6,6,6,6,8,8,8,10,10,10,12,12,12,14,14,14,18,18,18,24,24,24,32,32,32,44,44,44,12,12,12,0 },
{ 6,6,6,6,6,6,6,6,6,8,8,8,10,10,10,12,12,12,14,14,14,18,18,18,24,24,24,30,30,30,40,40,40,18,18,18,0 },
{ 4,4,4,4,4,4,6,6,4,4,4,6,6,6,8,8,8,10,10,10,12,12,12,14,14,14,18,18,18,22,22,22,30,30,30,56,56,56,0 },
{ 4,4,4,4,4,4,6,6,4,4,4,6,6,6,6,6,6,10,10,10,12,12,12,14,14,14,16,16,16,20,20,20,26,26,26,66,66,66,0 },
{ 4,4,4,4,4,4,6,6,4,4,4,6,6,6,8,8,8,12,12,12,16,16,16,20,20,20,26,26,26,34,34,34,42,42,42,12,12,12,0 }
};
unsigned tables, scfsi = 0;
int main_data_begin, part_23_sum = 0;
int gr_count = MA_DR_MP3_HDR_IS_MONO(hdr) ? 1 : 2;
int sr_idx = MA_DR_MP3_HDR_GET_MY_SAMPLE_RATE(hdr); sr_idx -= (sr_idx != 0);
if (MA_DR_MP3_HDR_TEST_MPEG1(hdr))
{
gr_count *= 2;
main_data_begin = ma_dr_mp3_bs_get_bits(bs, 9);
scfsi = ma_dr_mp3_bs_get_bits(bs, 7 + gr_count);
} else
{
main_data_begin = ma_dr_mp3_bs_get_bits(bs, 8 + gr_count) >> gr_count;
}
do
{
if (MA_DR_MP3_HDR_IS_MONO(hdr))
{
scfsi <<= 4;
}
gr->part_23_length = (ma_uint16)ma_dr_mp3_bs_get_bits(bs, 12);
part_23_sum += gr->part_23_length;
gr->big_values = (ma_uint16)ma_dr_mp3_bs_get_bits(bs, 9);
if (gr->big_values > 288)
{
return -1;
}
gr->global_gain = (ma_uint8)ma_dr_mp3_bs_get_bits(bs, 8);
gr->scalefac_compress = (ma_uint16)ma_dr_mp3_bs_get_bits(bs, MA_DR_MP3_HDR_TEST_MPEG1(hdr) ? 4 : 9);
gr->sfbtab = g_scf_long[sr_idx];
gr->n_long_sfb = 22;
gr->n_short_sfb = 0;
if (ma_dr_mp3_bs_get_bits(bs, 1))
{
gr->block_type = (ma_uint8)ma_dr_mp3_bs_get_bits(bs, 2);
if (!gr->block_type)
{
return -1;
}
gr->mixed_block_flag = (ma_uint8)ma_dr_mp3_bs_get_bits(bs, 1);
gr->region_count[0] = 7;
gr->region_count[1] = 255;
if (gr->block_type == MA_DR_MP3_SHORT_BLOCK_TYPE)
{
scfsi &= 0x0F0F;
if (!gr->mixed_block_flag)
{
gr->region_count[0] = 8;
gr->sfbtab = g_scf_short[sr_idx];
gr->n_long_sfb = 0;
gr->n_short_sfb = 39;
} else
{
gr->sfbtab = g_scf_mixed[sr_idx];
gr->n_long_sfb = MA_DR_MP3_HDR_TEST_MPEG1(hdr) ? 8 : 6;
gr->n_short_sfb = 30;
}
}
tables = ma_dr_mp3_bs_get_bits(bs, 10);
tables <<= 5;
gr->subblock_gain[0] = (ma_uint8)ma_dr_mp3_bs_get_bits(bs, 3);
gr->subblock_gain[1] = (ma_uint8)ma_dr_mp3_bs_get_bits(bs, 3);
gr->subblock_gain[2] = (ma_uint8)ma_dr_mp3_bs_get_bits(bs, 3);
} else
{
gr->block_type = 0;
gr->mixed_block_flag = 0;
tables = ma_dr_mp3_bs_get_bits(bs, 15);
gr->region_count[0] = (ma_uint8)ma_dr_mp3_bs_get_bits(bs, 4);
gr->region_count[1] = (ma_uint8)ma_dr_mp3_bs_get_bits(bs, 3);
gr->region_count[2] = 255;
}
gr->table_select[0] = (ma_uint8)(tables >> 10);
gr->table_select[1] = (ma_uint8)((tables >> 5) & 31);
gr->table_select[2] = (ma_uint8)((tables) & 31);
gr->preflag = (ma_uint8)(MA_DR_MP3_HDR_TEST_MPEG1(hdr) ? ma_dr_mp3_bs_get_bits(bs, 1) : (gr->scalefac_compress >= 500));
gr->scalefac_scale = (ma_uint8)ma_dr_mp3_bs_get_bits(bs, 1);
gr->count1_table = (ma_uint8)ma_dr_mp3_bs_get_bits(bs, 1);
gr->scfsi = (ma_uint8)((scfsi >> 12) & 15);
scfsi <<= 4;
gr++;
} while(--gr_count);
if (part_23_sum + bs->pos > bs->limit + main_data_begin*8)
{
return -1;
}
return main_data_begin;
}
static void ma_dr_mp3_L3_read_scalefactors(ma_uint8 *scf, ma_uint8 *ist_pos, const ma_uint8 *scf_size, const ma_uint8 *scf_count, ma_dr_mp3_bs *bitbuf, int scfsi)
{
int i, k;
for (i = 0; i < 4 && scf_count[i]; i++, scfsi *= 2)
{
int cnt = scf_count[i];
if (scfsi & 8)
{
MA_DR_MP3_COPY_MEMORY(scf, ist_pos, cnt);
} else
{
int bits = scf_size[i];
if (!bits)
{
MA_DR_MP3_ZERO_MEMORY(scf, cnt);
MA_DR_MP3_ZERO_MEMORY(ist_pos, cnt);
} else
{
int max_scf = (scfsi < 0) ? (1 << bits) - 1 : -1;
for (k = 0; k < cnt; k++)
{
int s = ma_dr_mp3_bs_get_bits(bitbuf, bits);
ist_pos[k] = (ma_uint8)(s == max_scf ? -1 : s);
scf[k] = (ma_uint8)s;
}
}
}
ist_pos += cnt;
scf += cnt;
}
scf[0] = scf[1] = scf[2] = 0;
}
static float ma_dr_mp3_L3_ldexp_q2(float y, int exp_q2)
{
static const float g_expfrac[4] = { 9.31322575e-10f,7.83145814e-10f,6.58544508e-10f,5.53767716e-10f };
int e;
do
{
e = MA_DR_MP3_MIN(30*4, exp_q2);
y *= g_expfrac[e & 3]*(1 << 30 >> (e >> 2));
} while ((exp_q2 -= e) > 0);
return y;
}
#if (defined(__GNUC__) && (__GNUC__ >= 13)) && !defined(__clang__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wstringop-overflow"
#endif
static void ma_dr_mp3_L3_decode_scalefactors(const ma_uint8 *hdr, ma_uint8 *ist_pos, ma_dr_mp3_bs *bs, const ma_dr_mp3_L3_gr_info *gr, float *scf, int ch)
{
static const ma_uint8 g_scf_partitions[3][28] = {
{ 6,5,5, 5,6,5,5,5,6,5, 7,3,11,10,0,0, 7, 7, 7,0, 6, 6,6,3, 8, 8,5,0 },
{ 8,9,6,12,6,9,9,9,6,9,12,6,15,18,0,0, 6,15,12,0, 6,12,9,6, 6,18,9,0 },
{ 9,9,6,12,9,9,9,9,9,9,12,6,18,18,0,0,12,12,12,0,12, 9,9,6,15,12,9,0 }
};
const ma_uint8 *scf_partition = g_scf_partitions[!!gr->n_short_sfb + !gr->n_long_sfb];
ma_uint8 scf_size[4], iscf[40];
int i, scf_shift = gr->scalefac_scale + 1, gain_exp, scfsi = gr->scfsi;
float gain;
if (MA_DR_MP3_HDR_TEST_MPEG1(hdr))
{
static const ma_uint8 g_scfc_decode[16] = { 0,1,2,3, 12,5,6,7, 9,10,11,13, 14,15,18,19 };
int part = g_scfc_decode[gr->scalefac_compress];
scf_size[1] = scf_size[0] = (ma_uint8)(part >> 2);
scf_size[3] = scf_size[2] = (ma_uint8)(part & 3);
} else
{
static const ma_uint8 g_mod[6*4] = { 5,5,4,4,5,5,4,1,4,3,1,1,5,6,6,1,4,4,4,1,4,3,1,1 };
int k, modprod, sfc, ist = MA_DR_MP3_HDR_TEST_I_STEREO(hdr) && ch;
sfc = gr->scalefac_compress >> ist;
for (k = ist*3*4; sfc >= 0; sfc -= modprod, k += 4)
{
for (modprod = 1, i = 3; i >= 0; i--)
{
scf_size[i] = (ma_uint8)(sfc / modprod % g_mod[k + i]);
modprod *= g_mod[k + i];
}
}
scf_partition += k;
scfsi = -16;
}
ma_dr_mp3_L3_read_scalefactors(iscf, ist_pos, scf_size, scf_partition, bs, scfsi);
if (gr->n_short_sfb)
{
int sh = 3 - scf_shift;
for (i = 0; i < gr->n_short_sfb; i += 3)
{
iscf[gr->n_long_sfb + i + 0] = (ma_uint8)(iscf[gr->n_long_sfb + i + 0] + (gr->subblock_gain[0] << sh));
iscf[gr->n_long_sfb + i + 1] = (ma_uint8)(iscf[gr->n_long_sfb + i + 1] + (gr->subblock_gain[1] << sh));
iscf[gr->n_long_sfb + i + 2] = (ma_uint8)(iscf[gr->n_long_sfb + i + 2] + (gr->subblock_gain[2] << sh));
}
} else if (gr->preflag)
{
static const ma_uint8 g_preamp[10] = { 1,1,1,1,2,2,3,3,3,2 };
for (i = 0; i < 10; i++)
{
iscf[11 + i] = (ma_uint8)(iscf[11 + i] + g_preamp[i]);
}
}
gain_exp = gr->global_gain + MA_DR_MP3_BITS_DEQUANTIZER_OUT*4 - 210 - (MA_DR_MP3_HDR_IS_MS_STEREO(hdr) ? 2 : 0);
gain = ma_dr_mp3_L3_ldexp_q2(1 << (MA_DR_MP3_MAX_SCFI/4), MA_DR_MP3_MAX_SCFI - gain_exp);
for (i = 0; i < (int)(gr->n_long_sfb + gr->n_short_sfb); i++)
{
scf[i] = ma_dr_mp3_L3_ldexp_q2(gain, iscf[i] << scf_shift);
}
}
#if (defined(__GNUC__) && (__GNUC__ >= 13)) && !defined(__clang__)
#pragma GCC diagnostic pop
#endif
static const float ma_dr_mp3_g_pow43[129 + 16] = {
0,-1,-2.519842f,-4.326749f,-6.349604f,-8.549880f,-10.902724f,-13.390518f,-16.000000f,-18.720754f,-21.544347f,-24.463781f,-27.473142f,-30.567351f,-33.741992f,-36.993181f,
0,1,2.519842f,4.326749f,6.349604f,8.549880f,10.902724f,13.390518f,16.000000f,18.720754f,21.544347f,24.463781f,27.473142f,30.567351f,33.741992f,36.993181f,40.317474f,43.711787f,47.173345f,50.699631f,54.288352f,57.937408f,61.644865f,65.408941f,69.227979f,73.100443f,77.024898f,81.000000f,85.024491f,89.097188f,93.216975f,97.382800f,101.593667f,105.848633f,110.146801f,114.487321f,118.869381f,123.292209f,127.755065f,132.257246f,136.798076f,141.376907f,145.993119f,150.646117f,155.335327f,160.060199f,164.820202f,169.614826f,174.443577f,179.305980f,184.201575f,189.129918f,194.090580f,199.083145f,204.107210f,209.162385f,214.248292f,219.364564f,224.510845f,229.686789f,234.892058f,240.126328f,245.389280f,250.680604f,256.000000f,261.347174f,266.721841f,272.123723f,277.552547f,283.008049f,288.489971f,293.998060f,299.532071f,305.091761f,310.676898f,316.287249f,321.922592f,327.582707f,333.267377f,338.976394f,344.709550f,350.466646f,356.247482f,362.051866f,367.879608f,373.730522f,379.604427f,385.501143f,391.420496f,397.362314f,403.326427f,409.312672f,415.320884f,421.350905f,427.402579f,433.475750f,439.570269f,445.685987f,451.822757f,457.980436f,464.158883f,470.357960f,476.577530f,482.817459f,489.077615f,495.357868f,501.658090f,507.978156f,514.317941f,520.677324f,527.056184f,533.454404f,539.871867f,546.308458f,552.764065f,559.238575f,565.731879f,572.243870f,578.774440f,585.323483f,591.890898f,598.476581f,605.080431f,611.702349f,618.342238f,625.000000f,631.675540f,638.368763f,645.079578f
};
static float ma_dr_mp3_L3_pow_43(int x)
{
float frac;
int sign, mult = 256;
if (x < 129)
{
return ma_dr_mp3_g_pow43[16 + x];
}
if (x < 1024)
{
mult = 16;
x <<= 3;
}
sign = 2*x & 64;
frac = (float)((x & 63) - sign) / ((x & ~63) + sign);
return ma_dr_mp3_g_pow43[16 + ((x + sign) >> 6)]*(1.f + frac*((4.f/3) + frac*(2.f/9)))*mult;
}
static void ma_dr_mp3_L3_huffman(float *dst, ma_dr_mp3_bs *bs, const ma_dr_mp3_L3_gr_info *gr_info, const float *scf, int layer3gr_limit)
{
static const ma_int16 tabs[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
785,785,785,785,784,784,784,784,513,513,513,513,513,513,513,513,256,256,256,256,256,256,256,256,256,256,256,256,256,256,256,256,
-255,1313,1298,1282,785,785,785,785,784,784,784,784,769,769,769,769,256,256,256,256,256,256,256,256,256,256,256,256,256,256,256,256,290,288,
-255,1313,1298,1282,769,769,769,769,529,529,529,529,529,529,529,529,528,528,528,528,528,528,528,528,512,512,512,512,512,512,512,512,290,288,
-253,-318,-351,-367,785,785,785,785,784,784,784,784,769,769,769,769,256,256,256,256,256,256,256,256,256,256,256,256,256,256,256,256,819,818,547,547,275,275,275,275,561,560,515,546,289,274,288,258,
-254,-287,1329,1299,1314,1312,1057,1057,1042,1042,1026,1026,784,784,784,784,529,529,529,529,529,529,529,529,769,769,769,769,768,768,768,768,563,560,306,306,291,259,
-252,-413,-477,-542,1298,-575,1041,1041,784,784,784,784,769,769,769,769,256,256,256,256,256,256,256,256,256,256,256,256,256,256,256,256,-383,-399,1107,1092,1106,1061,849,849,789,789,1104,1091,773,773,1076,1075,341,340,325,309,834,804,577,577,532,532,516,516,832,818,803,816,561,561,531,531,515,546,289,289,288,258,
-252,-429,-493,-559,1057,1057,1042,1042,529,529,529,529,529,529,529,529,784,784,784,784,769,769,769,769,512,512,512,512,512,512,512,512,-382,1077,-415,1106,1061,1104,849,849,789,789,1091,1076,1029,1075,834,834,597,581,340,340,339,324,804,833,532,532,832,772,818,803,817,787,816,771,290,290,290,290,288,258,
-253,-349,-414,-447,-463,1329,1299,-479,1314,1312,1057,1057,1042,1042,1026,1026,785,785,785,785,784,784,784,784,769,769,769,769,768,768,768,768,-319,851,821,-335,836,850,805,849,341,340,325,336,533,533,579,579,564,564,773,832,578,548,563,516,321,276,306,291,304,259,
-251,-572,-733,-830,-863,-879,1041,1041,784,784,784,784,769,769,769,769,256,256,256,256,256,256,256,256,256,256,256,256,256,256,256,256,-511,-527,-543,1396,1351,1381,1366,1395,1335,1380,-559,1334,1138,1138,1063,1063,1350,1392,1031,1031,1062,1062,1364,1363,1120,1120,1333,1348,881,881,881,881,375,374,359,373,343,358,341,325,791,791,1123,1122,-703,1105,1045,-719,865,865,790,790,774,774,1104,1029,338,293,323,308,-799,-815,833,788,772,818,803,816,322,292,307,320,561,531,515,546,289,274,288,258,
-251,-525,-605,-685,-765,-831,-846,1298,1057,1057,1312,1282,785,785,785,785,784,784,784,784,769,769,769,769,512,512,512,512,512,512,512,512,1399,1398,1383,1367,1382,1396,1351,-511,1381,1366,1139,1139,1079,1079,1124,1124,1364,1349,1363,1333,882,882,882,882,807,807,807,807,1094,1094,1136,1136,373,341,535,535,881,775,867,822,774,-591,324,338,-671,849,550,550,866,864,609,609,293,336,534,534,789,835,773,-751,834,804,308,307,833,788,832,772,562,562,547,547,305,275,560,515,290,290,
-252,-397,-477,-557,-622,-653,-719,-735,-750,1329,1299,1314,1057,1057,1042,1042,1312,1282,1024,1024,785,785,785,785,784,784,784,784,769,769,769,769,-383,1127,1141,1111,1126,1140,1095,1110,869,869,883,883,1079,1109,882,882,375,374,807,868,838,881,791,-463,867,822,368,263,852,837,836,-543,610,610,550,550,352,336,534,534,865,774,851,821,850,805,593,533,579,564,773,832,578,578,548,548,577,577,307,276,306,291,516,560,259,259,
-250,-2107,-2507,-2764,-2909,-2974,-3007,-3023,1041,1041,1040,1040,769,769,769,769,256,256,256,256,256,256,256,256,256,256,256,256,256,256,256,256,-767,-1052,-1213,-1277,-1358,-1405,-1469,-1535,-1550,-1582,-1614,-1647,-1662,-1694,-1726,-1759,-1774,-1807,-1822,-1854,-1886,1565,-1919,-1935,-1951,-1967,1731,1730,1580,1717,-1983,1729,1564,-1999,1548,-2015,-2031,1715,1595,-2047,1714,-2063,1610,-2079,1609,-2095,1323,1323,1457,1457,1307,1307,1712,1547,1641,1700,1699,1594,1685,1625,1442,1442,1322,1322,-780,-973,-910,1279,1278,1277,1262,1276,1261,1275,1215,1260,1229,-959,974,974,989,989,-943,735,478,478,495,463,506,414,-1039,1003,958,1017,927,942,987,957,431,476,1272,1167,1228,-1183,1256,-1199,895,895,941,941,1242,1227,1212,1135,1014,1014,490,489,503,487,910,1013,985,925,863,894,970,955,1012,847,-1343,831,755,755,984,909,428,366,754,559,-1391,752,486,457,924,997,698,698,983,893,740,740,908,877,739,739,667,667,953,938,497,287,271,271,683,606,590,712,726,574,302,302,738,736,481,286,526,725,605,711,636,724,696,651,589,681,666,710,364,467,573,695,466,466,301,465,379,379,709,604,665,679,316,316,634,633,436,436,464,269,424,394,452,332,438,363,347,408,393,448,331,422,362,407,392,421,346,406,391,376,375,359,1441,1306,-2367,1290,-2383,1337,-2399,-2415,1426,1321,-2431,1411,1336,-2447,-2463,-2479,1169,1169,1049,1049,1424,1289,1412,1352,1319,-2495,1154,1154,1064,1064,1153,1153,416,390,360,404,403,389,344,374,373,343,358,372,327,357,342,311,356,326,1395,1394,1137,1137,1047,1047,1365,1392,1287,1379,1334,1364,1349,1378,1318,1363,792,792,792,792,1152,1152,1032,1032,1121,1121,1046,1046,1120,1120,1030,1030,-2895,1106,1061,1104,849,849,789,789,1091,1076,1029,1090,1060,1075,833,833,309,324,532,532,832,772,818,803,561,561,531,560,515,546,289,274,288,258,
-250,-1179,-1579,-1836,-1996,-2124,-2253,-2333,-2413,-2477,-2542,-2574,-2607,-2622,-2655,1314,1313,1298,1312,1282,785,785,785,785,1040,1040,1025,1025,768,768,768,768,-766,-798,-830,-862,-895,-911,-927,-943,-959,-975,-991,-1007,-1023,-1039,-1055,-1070,1724,1647,-1103,-1119,1631,1767,1662,1738,1708,1723,-1135,1780,1615,1779,1599,1677,1646,1778,1583,-1151,1777,1567,1737,1692,1765,1722,1707,1630,1751,1661,1764,1614,1736,1676,1763,1750,1645,1598,1721,1691,1762,1706,1582,1761,1566,-1167,1749,1629,767,766,751,765,494,494,735,764,719,749,734,763,447,447,748,718,477,506,431,491,446,476,461,505,415,430,475,445,504,399,460,489,414,503,383,474,429,459,502,502,746,752,488,398,501,473,413,472,486,271,480,270,-1439,-1455,1357,-1471,-1487,-1503,1341,1325,-1519,1489,1463,1403,1309,-1535,1372,1448,1418,1476,1356,1462,1387,-1551,1475,1340,1447,1402,1386,-1567,1068,1068,1474,1461,455,380,468,440,395,425,410,454,364,467,466,464,453,269,409,448,268,432,1371,1473,1432,1417,1308,1460,1355,1446,1459,1431,1083,1083,1401,1416,1458,1445,1067,1067,1370,1457,1051,1051,1291,1430,1385,1444,1354,1415,1400,1443,1082,1082,1173,1113,1186,1066,1185,1050,-1967,1158,1128,1172,1097,1171,1081,-1983,1157,1112,416,266,375,400,1170,1142,1127,1065,793,793,1169,1033,1156,1096,1141,1111,1155,1080,1126,1140,898,898,808,808,897,897,792,792,1095,1152,1032,1125,1110,1139,1079,1124,882,807,838,881,853,791,-2319,867,368,263,822,852,837,866,806,865,-2399,851,352,262,534,534,821,836,594,594,549,549,593,593,533,533,848,773,579,579,564,578,548,563,276,276,577,576,306,291,516,560,305,305,275,259,
-251,-892,-2058,-2620,-2828,-2957,-3023,-3039,1041,1041,1040,1040,769,769,769,769,256,256,256,256,256,256,256,256,256,256,256,256,256,256,256,256,-511,-527,-543,-559,1530,-575,-591,1528,1527,1407,1526,1391,1023,1023,1023,1023,1525,1375,1268,1268,1103,1103,1087,1087,1039,1039,1523,-604,815,815,815,815,510,495,509,479,508,463,507,447,431,505,415,399,-734,-782,1262,-815,1259,1244,-831,1258,1228,-847,-863,1196,-879,1253,987,987,748,-767,493,493,462,477,414,414,686,669,478,446,461,445,474,429,487,458,412,471,1266,1264,1009,1009,799,799,-1019,-1276,-1452,-1581,-1677,-1757,-1821,-1886,-1933,-1997,1257,1257,1483,1468,1512,1422,1497,1406,1467,1496,1421,1510,1134,1134,1225,1225,1466,1451,1374,1405,1252,1252,1358,1480,1164,1164,1251,1251,1238,1238,1389,1465,-1407,1054,1101,-1423,1207,-1439,830,830,1248,1038,1237,1117,1223,1148,1236,1208,411,426,395,410,379,269,1193,1222,1132,1235,1221,1116,976,976,1192,1162,1177,1220,1131,1191,963,963,-1647,961,780,-1663,558,558,994,993,437,408,393,407,829,978,813,797,947,-1743,721,721,377,392,844,950,828,890,706,706,812,859,796,960,948,843,934,874,571,571,-1919,690,555,689,421,346,539,539,944,779,918,873,932,842,903,888,570,570,931,917,674,674,-2575,1562,-2591,1609,-2607,1654,1322,1322,1441,1441,1696,1546,1683,1593,1669,1624,1426,1426,1321,1321,1639,1680,1425,1425,1305,1305,1545,1668,1608,1623,1667,1592,1638,1666,1320,1320,1652,1607,1409,1409,1304,1304,1288,1288,1664,1637,1395,1395,1335,1335,1622,1636,1394,1394,1319,1319,1606,1621,1392,1392,1137,1137,1137,1137,345,390,360,375,404,373,1047,-2751,-2767,-2783,1062,1121,1046,-2799,1077,-2815,1106,1061,789,789,1105,1104,263,355,310,340,325,354,352,262,339,324,1091,1076,1029,1090,1060,1075,833,833,788,788,1088,1028,818,818,803,803,561,561,531,531,816,771,546,546,289,274,288,258,
-253,-317,-381,-446,-478,-509,1279,1279,-811,-1179,-1451,-1756,-1900,-2028,-2189,-2253,-2333,-2414,-2445,-2511,-2526,1313,1298,-2559,1041,1041,1040,1040,1025,1025,1024,1024,1022,1007,1021,991,1020,975,1019,959,687,687,1018,1017,671,671,655,655,1016,1015,639,639,758,758,623,623,757,607,756,591,755,575,754,559,543,543,1009,783,-575,-621,-685,-749,496,-590,750,749,734,748,974,989,1003,958,988,973,1002,942,987,957,972,1001,926,986,941,971,956,1000,910,985,925,999,894,970,-1071,-1087,-1102,1390,-1135,1436,1509,1451,1374,-1151,1405,1358,1480,1420,-1167,1507,1494,1389,1342,1465,1435,1450,1326,1505,1310,1493,1373,1479,1404,1492,1464,1419,428,443,472,397,736,526,464,464,486,457,442,471,484,482,1357,1449,1434,1478,1388,1491,1341,1490,1325,1489,1463,1403,1309,1477,1372,1448,1418,1433,1476,1356,1462,1387,-1439,1475,1340,1447,1402,1474,1324,1461,1371,1473,269,448,1432,1417,1308,1460,-1711,1459,-1727,1441,1099,1099,1446,1386,1431,1401,-1743,1289,1083,1083,1160,1160,1458,1445,1067,1067,1370,1457,1307,1430,1129,1129,1098,1098,268,432,267,416,266,400,-1887,1144,1187,1082,1173,1113,1186,1066,1050,1158,1128,1143,1172,1097,1171,1081,420,391,1157,1112,1170,1142,1127,1065,1169,1049,1156,1096,1141,1111,1155,1080,1126,1154,1064,1153,1140,1095,1048,-2159,1125,1110,1137,-2175,823,823,1139,1138,807,807,384,264,368,263,868,838,853,791,867,822,852,837,866,806,865,790,-2319,851,821,836,352,262,850,805,849,-2399,533,533,835,820,336,261,578,548,563,577,532,532,832,772,562,562,547,547,305,275,560,515,290,290,288,258 };
static const ma_uint8 tab32[] = { 130,162,193,209,44,28,76,140,9,9,9,9,9,9,9,9,190,254,222,238,126,94,157,157,109,61,173,205};
static const ma_uint8 tab33[] = { 252,236,220,204,188,172,156,140,124,108,92,76,60,44,28,12 };
static const ma_int16 tabindex[2*16] = { 0,32,64,98,0,132,180,218,292,364,426,538,648,746,0,1126,1460,1460,1460,1460,1460,1460,1460,1460,1842,1842,1842,1842,1842,1842,1842,1842 };
static const ma_uint8 g_linbits[] = { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,2,3,4,6,8,10,13,4,5,6,7,8,9,11,13 };
#define MA_DR_MP3_PEEK_BITS(n) (bs_cache >> (32 - (n)))
#define MA_DR_MP3_FLUSH_BITS(n) { bs_cache <<= (n); bs_sh += (n); }
#define MA_DR_MP3_CHECK_BITS while (bs_sh >= 0) { bs_cache |= (ma_uint32)*bs_next_ptr++ << bs_sh; bs_sh -= 8; }
#define MA_DR_MP3_BSPOS ((bs_next_ptr - bs->buf)*8 - 24 + bs_sh)
float one = 0.0f;
int ireg = 0, big_val_cnt = gr_info->big_values;
const ma_uint8 *sfb = gr_info->sfbtab;
const ma_uint8 *bs_next_ptr = bs->buf + bs->pos/8;
ma_uint32 bs_cache = (((bs_next_ptr[0]*256u + bs_next_ptr[1])*256u + bs_next_ptr[2])*256u + bs_next_ptr[3]) << (bs->pos & 7);
int pairs_to_decode, np, bs_sh = (bs->pos & 7) - 8;
bs_next_ptr += 4;
while (big_val_cnt > 0)
{
int tab_num = gr_info->table_select[ireg];
int sfb_cnt = gr_info->region_count[ireg++];
const ma_int16 *codebook = tabs + tabindex[tab_num];
int linbits = g_linbits[tab_num];
if (linbits)
{
do
{
np = *sfb++ / 2;
pairs_to_decode = MA_DR_MP3_MIN(big_val_cnt, np);
one = *scf++;
do
{
int j, w = 5;
int leaf = codebook[MA_DR_MP3_PEEK_BITS(w)];
while (leaf < 0)
{
MA_DR_MP3_FLUSH_BITS(w);
w = leaf & 7;
leaf = codebook[MA_DR_MP3_PEEK_BITS(w) - (leaf >> 3)];
}
MA_DR_MP3_FLUSH_BITS(leaf >> 8);
for (j = 0; j < 2; j++, dst++, leaf >>= 4)
{
int lsb = leaf & 0x0F;
if (lsb == 15)
{
lsb += MA_DR_MP3_PEEK_BITS(linbits);
MA_DR_MP3_FLUSH_BITS(linbits);
MA_DR_MP3_CHECK_BITS;
*dst = one*ma_dr_mp3_L3_pow_43(lsb)*((ma_int32)bs_cache < 0 ? -1: 1);
} else
{
*dst = ma_dr_mp3_g_pow43[16 + lsb - 16*(bs_cache >> 31)]*one;
}
MA_DR_MP3_FLUSH_BITS(lsb ? 1 : 0);
}
MA_DR_MP3_CHECK_BITS;
} while (--pairs_to_decode);
} while ((big_val_cnt -= np) > 0 && --sfb_cnt >= 0);
} else
{
do
{
np = *sfb++ / 2;
pairs_to_decode = MA_DR_MP3_MIN(big_val_cnt, np);
one = *scf++;
do
{
int j, w = 5;
int leaf = codebook[MA_DR_MP3_PEEK_BITS(w)];
while (leaf < 0)
{
MA_DR_MP3_FLUSH_BITS(w);
w = leaf & 7;
leaf = codebook[MA_DR_MP3_PEEK_BITS(w) - (leaf >> 3)];
}
MA_DR_MP3_FLUSH_BITS(leaf >> 8);
for (j = 0; j < 2; j++, dst++, leaf >>= 4)
{
int lsb = leaf & 0x0F;
*dst = ma_dr_mp3_g_pow43[16 + lsb - 16*(bs_cache >> 31)]*one;
MA_DR_MP3_FLUSH_BITS(lsb ? 1 : 0);
}
MA_DR_MP3_CHECK_BITS;
} while (--pairs_to_decode);
} while ((big_val_cnt -= np) > 0 && --sfb_cnt >= 0);
}
}
for (np = 1 - big_val_cnt;; dst += 4)
{
const ma_uint8 *codebook_count1 = (gr_info->count1_table) ? tab33 : tab32;
int leaf = codebook_count1[MA_DR_MP3_PEEK_BITS(4)];
if (!(leaf & 8))
{
leaf = codebook_count1[(leaf >> 3) + (bs_cache << 4 >> (32 - (leaf & 3)))];
}
MA_DR_MP3_FLUSH_BITS(leaf & 7);
if (MA_DR_MP3_BSPOS > layer3gr_limit)
{
break;
}
#define MA_DR_MP3_RELOAD_SCALEFACTOR if (!--np) { np = *sfb++/2; if (!np) break; one = *scf++; }
#define MA_DR_MP3_DEQ_COUNT1(s) if (leaf & (128 >> s)) { dst[s] = ((ma_int32)bs_cache < 0) ? -one : one; MA_DR_MP3_FLUSH_BITS(1) }
MA_DR_MP3_RELOAD_SCALEFACTOR;
MA_DR_MP3_DEQ_COUNT1(0);
MA_DR_MP3_DEQ_COUNT1(1);
MA_DR_MP3_RELOAD_SCALEFACTOR;
MA_DR_MP3_DEQ_COUNT1(2);
MA_DR_MP3_DEQ_COUNT1(3);
MA_DR_MP3_CHECK_BITS;
}
bs->pos = layer3gr_limit;
}
static void ma_dr_mp3_L3_midside_stereo(float *left, int n)
{
int i = 0;
float *right = left + 576;
#if MA_DR_MP3_HAVE_SIMD
if (ma_dr_mp3_have_simd())
{
for (; i < n - 3; i += 4)
{
ma_dr_mp3_f4 vl = MA_DR_MP3_VLD(left + i);
ma_dr_mp3_f4 vr = MA_DR_MP3_VLD(right + i);
MA_DR_MP3_VSTORE(left + i, MA_DR_MP3_VADD(vl, vr));
MA_DR_MP3_VSTORE(right + i, MA_DR_MP3_VSUB(vl, vr));
}
#ifdef __GNUC__
if (__builtin_constant_p(n % 4 == 0) && n % 4 == 0)
return;
#endif
}
#endif
for (; i < n; i++)
{
float a = left[i];
float b = right[i];
left[i] = a + b;
right[i] = a - b;
}
}
static void ma_dr_mp3_L3_intensity_stereo_band(float *left, int n, float kl, float kr)
{
int i;
for (i = 0; i < n; i++)
{
left[i + 576] = left[i]*kr;
left[i] = left[i]*kl;
}
}
static void ma_dr_mp3_L3_stereo_top_band(const float *right, const ma_uint8 *sfb, int nbands, int max_band[3])
{
int i, k;
max_band[0] = max_band[1] = max_band[2] = -1;
for (i = 0; i < nbands; i++)
{
for (k = 0; k < sfb[i]; k += 2)
{
if (right[k] != 0 || right[k + 1] != 0)
{
max_band[i % 3] = i;
break;
}
}
right += sfb[i];
}
}
static void ma_dr_mp3_L3_stereo_process(float *left, const ma_uint8 *ist_pos, const ma_uint8 *sfb, const ma_uint8 *hdr, int max_band[3], int mpeg2_sh)
{
static const float g_pan[7*2] = { 0,1,0.21132487f,0.78867513f,0.36602540f,0.63397460f,0.5f,0.5f,0.63397460f,0.36602540f,0.78867513f,0.21132487f,1,0 };
unsigned i, max_pos = MA_DR_MP3_HDR_TEST_MPEG1(hdr) ? 7 : 64;
for (i = 0; sfb[i]; i++)
{
unsigned ipos = ist_pos[i];
if ((int)i > max_band[i % 3] && ipos < max_pos)
{
float kl, kr, s = MA_DR_MP3_HDR_TEST_MS_STEREO(hdr) ? 1.41421356f : 1;
if (MA_DR_MP3_HDR_TEST_MPEG1(hdr))
{
kl = g_pan[2*ipos];
kr = g_pan[2*ipos + 1];
} else
{
kl = 1;
kr = ma_dr_mp3_L3_ldexp_q2(1, (ipos + 1) >> 1 << mpeg2_sh);
if (ipos & 1)
{
kl = kr;
kr = 1;
}
}
ma_dr_mp3_L3_intensity_stereo_band(left, sfb[i], kl*s, kr*s);
} else if (MA_DR_MP3_HDR_TEST_MS_STEREO(hdr))
{
ma_dr_mp3_L3_midside_stereo(left, sfb[i]);
}
left += sfb[i];
}
}
static void ma_dr_mp3_L3_intensity_stereo(float *left, ma_uint8 *ist_pos, const ma_dr_mp3_L3_gr_info *gr, const ma_uint8 *hdr)
{
int max_band[3], n_sfb = gr->n_long_sfb + gr->n_short_sfb;
int i, max_blocks = gr->n_short_sfb ? 3 : 1;
ma_dr_mp3_L3_stereo_top_band(left + 576, gr->sfbtab, n_sfb, max_band);
if (gr->n_long_sfb)
{
max_band[0] = max_band[1] = max_band[2] = MA_DR_MP3_MAX(MA_DR_MP3_MAX(max_band[0], max_band[1]), max_band[2]);
}
for (i = 0; i < max_blocks; i++)
{
int default_pos = MA_DR_MP3_HDR_TEST_MPEG1(hdr) ? 3 : 0;
int itop = n_sfb - max_blocks + i;
int prev = itop - max_blocks;
ist_pos[itop] = (ma_uint8)(max_band[i] >= prev ? default_pos : ist_pos[prev]);
}
ma_dr_mp3_L3_stereo_process(left, ist_pos, gr->sfbtab, hdr, max_band, gr[1].scalefac_compress & 1);
}
static void ma_dr_mp3_L3_reorder(float *grbuf, float *scratch, const ma_uint8 *sfb)
{
int i, len;
float *src = grbuf, *dst = scratch;
for (;0 != (len = *sfb); sfb += 3, src += 2*len)
{
for (i = 0; i < len; i++, src++)
{
*dst++ = src[0*len];
*dst++ = src[1*len];
*dst++ = src[2*len];
}
}
MA_DR_MP3_COPY_MEMORY(grbuf, scratch, (dst - scratch)*sizeof(float));
}
static void ma_dr_mp3_L3_antialias(float *grbuf, int nbands)
{
static const float g_aa[2][8] = {
{0.85749293f,0.88174200f,0.94962865f,0.98331459f,0.99551782f,0.99916056f,0.99989920f,0.99999316f},
{0.51449576f,0.47173197f,0.31337745f,0.18191320f,0.09457419f,0.04096558f,0.01419856f,0.00369997f}
};
for (; nbands > 0; nbands--, grbuf += 18)
{
int i = 0;
#if MA_DR_MP3_HAVE_SIMD
if (ma_dr_mp3_have_simd()) for (; i < 8; i += 4)
{
ma_dr_mp3_f4 vu = MA_DR_MP3_VLD(grbuf + 18 + i);
ma_dr_mp3_f4 vd = MA_DR_MP3_VLD(grbuf + 14 - i);
ma_dr_mp3_f4 vc0 = MA_DR_MP3_VLD(g_aa[0] + i);
ma_dr_mp3_f4 vc1 = MA_DR_MP3_VLD(g_aa[1] + i);
vd = MA_DR_MP3_VREV(vd);
MA_DR_MP3_VSTORE(grbuf + 18 + i, MA_DR_MP3_VSUB(MA_DR_MP3_VMUL(vu, vc0), MA_DR_MP3_VMUL(vd, vc1)));
vd = MA_DR_MP3_VADD(MA_DR_MP3_VMUL(vu, vc1), MA_DR_MP3_VMUL(vd, vc0));
MA_DR_MP3_VSTORE(grbuf + 14 - i, MA_DR_MP3_VREV(vd));
}
#endif
#ifndef MA_DR_MP3_ONLY_SIMD
for(; i < 8; i++)
{
float u = grbuf[18 + i];
float d = grbuf[17 - i];
grbuf[18 + i] = u*g_aa[0][i] - d*g_aa[1][i];
grbuf[17 - i] = u*g_aa[1][i] + d*g_aa[0][i];
}
#endif
}
}
static void ma_dr_mp3_L3_dct3_9(float *y)
{
float s0, s1, s2, s3, s4, s5, s6, s7, s8, t0, t2, t4;
s0 = y[0]; s2 = y[2]; s4 = y[4]; s6 = y[6]; s8 = y[8];
t0 = s0 + s6*0.5f;
s0 -= s6;
t4 = (s4 + s2)*0.93969262f;
t2 = (s8 + s2)*0.76604444f;
s6 = (s4 - s8)*0.17364818f;
s4 += s8 - s2;
s2 = s0 - s4*0.5f;
y[4] = s4 + s0;
s8 = t0 - t2 + s6;
s0 = t0 - t4 + t2;
s4 = t0 + t4 - s6;
s1 = y[1]; s3 = y[3]; s5 = y[5]; s7 = y[7];
s3 *= 0.86602540f;
t0 = (s5 + s1)*0.98480775f;
t4 = (s5 - s7)*0.34202014f;
t2 = (s1 + s7)*0.64278761f;
s1 = (s1 - s5 - s7)*0.86602540f;
s5 = t0 - s3 - t2;
s7 = t4 - s3 - t0;
s3 = t4 + s3 - t2;
y[0] = s4 - s7;
y[1] = s2 + s1;
y[2] = s0 - s3;
y[3] = s8 + s5;
y[5] = s8 - s5;
y[6] = s0 + s3;
y[7] = s2 - s1;
y[8] = s4 + s7;
}
static void ma_dr_mp3_L3_imdct36(float *grbuf, float *overlap, const float *window, int nbands)
{
int i, j;
static const float g_twid9[18] = {
0.73727734f,0.79335334f,0.84339145f,0.88701083f,0.92387953f,0.95371695f,0.97629601f,0.99144486f,0.99904822f,0.67559021f,0.60876143f,0.53729961f,0.46174861f,0.38268343f,0.30070580f,0.21643961f,0.13052619f,0.04361938f
};
for (j = 0; j < nbands; j++, grbuf += 18, overlap += 9)
{
float co[9], si[9];
co[0] = -grbuf[0];
si[0] = grbuf[17];
for (i = 0; i < 4; i++)
{
si[8 - 2*i] = grbuf[4*i + 1] - grbuf[4*i + 2];
co[1 + 2*i] = grbuf[4*i + 1] + grbuf[4*i + 2];
si[7 - 2*i] = grbuf[4*i + 4] - grbuf[4*i + 3];
co[2 + 2*i] = -(grbuf[4*i + 3] + grbuf[4*i + 4]);
}
ma_dr_mp3_L3_dct3_9(co);
ma_dr_mp3_L3_dct3_9(si);
si[1] = -si[1];
si[3] = -si[3];
si[5] = -si[5];
si[7] = -si[7];
i = 0;
#if MA_DR_MP3_HAVE_SIMD
if (ma_dr_mp3_have_simd()) for (; i < 8; i += 4)
{
ma_dr_mp3_f4 vovl = MA_DR_MP3_VLD(overlap + i);
ma_dr_mp3_f4 vc = MA_DR_MP3_VLD(co + i);
ma_dr_mp3_f4 vs = MA_DR_MP3_VLD(si + i);
ma_dr_mp3_f4 vr0 = MA_DR_MP3_VLD(g_twid9 + i);
ma_dr_mp3_f4 vr1 = MA_DR_MP3_VLD(g_twid9 + 9 + i);
ma_dr_mp3_f4 vw0 = MA_DR_MP3_VLD(window + i);
ma_dr_mp3_f4 vw1 = MA_DR_MP3_VLD(window + 9 + i);
ma_dr_mp3_f4 vsum = MA_DR_MP3_VADD(MA_DR_MP3_VMUL(vc, vr1), MA_DR_MP3_VMUL(vs, vr0));
MA_DR_MP3_VSTORE(overlap + i, MA_DR_MP3_VSUB(MA_DR_MP3_VMUL(vc, vr0), MA_DR_MP3_VMUL(vs, vr1)));
MA_DR_MP3_VSTORE(grbuf + i, MA_DR_MP3_VSUB(MA_DR_MP3_VMUL(vovl, vw0), MA_DR_MP3_VMUL(vsum, vw1)));
vsum = MA_DR_MP3_VADD(MA_DR_MP3_VMUL(vovl, vw1), MA_DR_MP3_VMUL(vsum, vw0));
MA_DR_MP3_VSTORE(grbuf + 14 - i, MA_DR_MP3_VREV(vsum));
}
#endif
for (; i < 9; i++)
{
float ovl = overlap[i];
float sum = co[i]*g_twid9[9 + i] + si[i]*g_twid9[0 + i];
overlap[i] = co[i]*g_twid9[0 + i] - si[i]*g_twid9[9 + i];
grbuf[i] = ovl*window[0 + i] - sum*window[9 + i];
grbuf[17 - i] = ovl*window[9 + i] + sum*window[0 + i];
}
}
}
static void ma_dr_mp3_L3_idct3(float x0, float x1, float x2, float *dst)
{
float m1 = x1*0.86602540f;
float a1 = x0 - x2*0.5f;
dst[1] = x0 + x2;
dst[0] = a1 + m1;
dst[2] = a1 - m1;
}
static void ma_dr_mp3_L3_imdct12(float *x, float *dst, float *overlap)
{
static const float g_twid3[6] = { 0.79335334f,0.92387953f,0.99144486f, 0.60876143f,0.38268343f,0.13052619f };
float co[3], si[3];
int i;
ma_dr_mp3_L3_idct3(-x[0], x[6] + x[3], x[12] + x[9], co);
ma_dr_mp3_L3_idct3(x[15], x[12] - x[9], x[6] - x[3], si);
si[1] = -si[1];
for (i = 0; i < 3; i++)
{
float ovl = overlap[i];
float sum = co[i]*g_twid3[3 + i] + si[i]*g_twid3[0 + i];
overlap[i] = co[i]*g_twid3[0 + i] - si[i]*g_twid3[3 + i];
dst[i] = ovl*g_twid3[2 - i] - sum*g_twid3[5 - i];
dst[5 - i] = ovl*g_twid3[5 - i] + sum*g_twid3[2 - i];
}
}
static void ma_dr_mp3_L3_imdct_short(float *grbuf, float *overlap, int nbands)
{
for (;nbands > 0; nbands--, overlap += 9, grbuf += 18)
{
float tmp[18];
MA_DR_MP3_COPY_MEMORY(tmp, grbuf, sizeof(tmp));
MA_DR_MP3_COPY_MEMORY(grbuf, overlap, 6*sizeof(float));
ma_dr_mp3_L3_imdct12(tmp, grbuf + 6, overlap + 6);
ma_dr_mp3_L3_imdct12(tmp + 1, grbuf + 12, overlap + 6);
ma_dr_mp3_L3_imdct12(tmp + 2, overlap, overlap + 6);
}
}
static void ma_dr_mp3_L3_change_sign(float *grbuf)
{
int b, i;
for (b = 0, grbuf += 18; b < 32; b += 2, grbuf += 36)
for (i = 1; i < 18; i += 2)
grbuf[i] = -grbuf[i];
}
static void ma_dr_mp3_L3_imdct_gr(float *grbuf, float *overlap, unsigned block_type, unsigned n_long_bands)
{
static const float g_mdct_window[2][18] = {
{ 0.99904822f,0.99144486f,0.97629601f,0.95371695f,0.92387953f,0.88701083f,0.84339145f,0.79335334f,0.73727734f,0.04361938f,0.13052619f,0.21643961f,0.30070580f,0.38268343f,0.46174861f,0.53729961f,0.60876143f,0.67559021f },
{ 1,1,1,1,1,1,0.99144486f,0.92387953f,0.79335334f,0,0,0,0,0,0,0.13052619f,0.38268343f,0.60876143f }
};
if (n_long_bands)
{
ma_dr_mp3_L3_imdct36(grbuf, overlap, g_mdct_window[0], n_long_bands);
grbuf += 18*n_long_bands;
overlap += 9*n_long_bands;
}
if (block_type == MA_DR_MP3_SHORT_BLOCK_TYPE)
ma_dr_mp3_L3_imdct_short(grbuf, overlap, 32 - n_long_bands);
else
ma_dr_mp3_L3_imdct36(grbuf, overlap, g_mdct_window[block_type == MA_DR_MP3_STOP_BLOCK_TYPE], 32 - n_long_bands);
}
static void ma_dr_mp3_L3_save_reservoir(ma_dr_mp3dec *h, ma_dr_mp3dec_scratch *s)
{
int pos = (s->bs.pos + 7)/8u;
int remains = s->bs.limit/8u - pos;
if (remains > MA_DR_MP3_MAX_BITRESERVOIR_BYTES)
{
pos += remains - MA_DR_MP3_MAX_BITRESERVOIR_BYTES;
remains = MA_DR_MP3_MAX_BITRESERVOIR_BYTES;
}
if (remains > 0)
{
MA_DR_MP3_MOVE_MEMORY(h->reserv_buf, s->maindata + pos, remains);
}
h->reserv = remains;
}
static int ma_dr_mp3_L3_restore_reservoir(ma_dr_mp3dec *h, ma_dr_mp3_bs *bs, ma_dr_mp3dec_scratch *s, int main_data_begin)
{
int frame_bytes = (bs->limit - bs->pos)/8;
int bytes_have = MA_DR_MP3_MIN(h->reserv, main_data_begin);
MA_DR_MP3_COPY_MEMORY(s->maindata, h->reserv_buf + MA_DR_MP3_MAX(0, h->reserv - main_data_begin), MA_DR_MP3_MIN(h->reserv, main_data_begin));
MA_DR_MP3_COPY_MEMORY(s->maindata + bytes_have, bs->buf + bs->pos/8, frame_bytes);
ma_dr_mp3_bs_init(&s->bs, s->maindata, bytes_have + frame_bytes);
return h->reserv >= main_data_begin;
}
static void ma_dr_mp3_L3_decode(ma_dr_mp3dec *h, ma_dr_mp3dec_scratch *s, ma_dr_mp3_L3_gr_info *gr_info, int nch)
{
int ch;
for (ch = 0; ch < nch; ch++)
{
int layer3gr_limit = s->bs.pos + gr_info[ch].part_23_length;
ma_dr_mp3_L3_decode_scalefactors(h->header, s->ist_pos[ch], &s->bs, gr_info + ch, s->scf, ch);
ma_dr_mp3_L3_huffman(s->grbuf[ch], &s->bs, gr_info + ch, s->scf, layer3gr_limit);
}
if (MA_DR_MP3_HDR_TEST_I_STEREO(h->header))
{
ma_dr_mp3_L3_intensity_stereo(s->grbuf[0], s->ist_pos[1], gr_info, h->header);
} else if (MA_DR_MP3_HDR_IS_MS_STEREO(h->header))
{
ma_dr_mp3_L3_midside_stereo(s->grbuf[0], 576);
}
for (ch = 0; ch < nch; ch++, gr_info++)
{
int aa_bands = 31;
int n_long_bands = (gr_info->mixed_block_flag ? 2 : 0) << (int)(MA_DR_MP3_HDR_GET_MY_SAMPLE_RATE(h->header) == 2);
if (gr_info->n_short_sfb)
{
aa_bands = n_long_bands - 1;
ma_dr_mp3_L3_reorder(s->grbuf[ch] + n_long_bands*18, s->syn[0], gr_info->sfbtab + gr_info->n_long_sfb);
}
ma_dr_mp3_L3_antialias(s->grbuf[ch], aa_bands);
ma_dr_mp3_L3_imdct_gr(s->grbuf[ch], h->mdct_overlap[ch], gr_info->block_type, n_long_bands);
ma_dr_mp3_L3_change_sign(s->grbuf[ch]);
}
}
static void ma_dr_mp3d_DCT_II(float *grbuf, int n)
{
static const float g_sec[24] = {
10.19000816f,0.50060302f,0.50241929f,3.40760851f,0.50547093f,0.52249861f,2.05778098f,0.51544732f,0.56694406f,1.48416460f,0.53104258f,0.64682180f,1.16943991f,0.55310392f,0.78815460f,0.97256821f,0.58293498f,1.06067765f,0.83934963f,0.62250412f,1.72244716f,0.74453628f,0.67480832f,5.10114861f
};
int i, k = 0;
#if MA_DR_MP3_HAVE_SIMD
if (ma_dr_mp3_have_simd()) for (; k < n; k += 4)
{
ma_dr_mp3_f4 t[4][8], *x;
float *y = grbuf + k;
for (x = t[0], i = 0; i < 8; i++, x++)
{
ma_dr_mp3_f4 x0 = MA_DR_MP3_VLD(&y[i*18]);
ma_dr_mp3_f4 x1 = MA_DR_MP3_VLD(&y[(15 - i)*18]);
ma_dr_mp3_f4 x2 = MA_DR_MP3_VLD(&y[(16 + i)*18]);
ma_dr_mp3_f4 x3 = MA_DR_MP3_VLD(&y[(31 - i)*18]);
ma_dr_mp3_f4 t0 = MA_DR_MP3_VADD(x0, x3);
ma_dr_mp3_f4 t1 = MA_DR_MP3_VADD(x1, x2);
ma_dr_mp3_f4 t2 = MA_DR_MP3_VMUL_S(MA_DR_MP3_VSUB(x1, x2), g_sec[3*i + 0]);
ma_dr_mp3_f4 t3 = MA_DR_MP3_VMUL_S(MA_DR_MP3_VSUB(x0, x3), g_sec[3*i + 1]);
x[0] = MA_DR_MP3_VADD(t0, t1);
x[8] = MA_DR_MP3_VMUL_S(MA_DR_MP3_VSUB(t0, t1), g_sec[3*i + 2]);
x[16] = MA_DR_MP3_VADD(t3, t2);
x[24] = MA_DR_MP3_VMUL_S(MA_DR_MP3_VSUB(t3, t2), g_sec[3*i + 2]);
}
for (x = t[0], i = 0; i < 4; i++, x += 8)
{
ma_dr_mp3_f4 x0 = x[0], x1 = x[1], x2 = x[2], x3 = x[3], x4 = x[4], x5 = x[5], x6 = x[6], x7 = x[7], xt;
xt = MA_DR_MP3_VSUB(x0, x7); x0 = MA_DR_MP3_VADD(x0, x7);
x7 = MA_DR_MP3_VSUB(x1, x6); x1 = MA_DR_MP3_VADD(x1, x6);
x6 = MA_DR_MP3_VSUB(x2, x5); x2 = MA_DR_MP3_VADD(x2, x5);
x5 = MA_DR_MP3_VSUB(x3, x4); x3 = MA_DR_MP3_VADD(x3, x4);
x4 = MA_DR_MP3_VSUB(x0, x3); x0 = MA_DR_MP3_VADD(x0, x3);
x3 = MA_DR_MP3_VSUB(x1, x2); x1 = MA_DR_MP3_VADD(x1, x2);
x[0] = MA_DR_MP3_VADD(x0, x1);
x[4] = MA_DR_MP3_VMUL_S(MA_DR_MP3_VSUB(x0, x1), 0.70710677f);
x5 = MA_DR_MP3_VADD(x5, x6);
x6 = MA_DR_MP3_VMUL_S(MA_DR_MP3_VADD(x6, x7), 0.70710677f);
x7 = MA_DR_MP3_VADD(x7, xt);
x3 = MA_DR_MP3_VMUL_S(MA_DR_MP3_VADD(x3, x4), 0.70710677f);
x5 = MA_DR_MP3_VSUB(x5, MA_DR_MP3_VMUL_S(x7, 0.198912367f));
x7 = MA_DR_MP3_VADD(x7, MA_DR_MP3_VMUL_S(x5, 0.382683432f));
x5 = MA_DR_MP3_VSUB(x5, MA_DR_MP3_VMUL_S(x7, 0.198912367f));
x0 = MA_DR_MP3_VSUB(xt, x6); xt = MA_DR_MP3_VADD(xt, x6);
x[1] = MA_DR_MP3_VMUL_S(MA_DR_MP3_VADD(xt, x7), 0.50979561f);
x[2] = MA_DR_MP3_VMUL_S(MA_DR_MP3_VADD(x4, x3), 0.54119611f);
x[3] = MA_DR_MP3_VMUL_S(MA_DR_MP3_VSUB(x0, x5), 0.60134488f);
x[5] = MA_DR_MP3_VMUL_S(MA_DR_MP3_VADD(x0, x5), 0.89997619f);
x[6] = MA_DR_MP3_VMUL_S(MA_DR_MP3_VSUB(x4, x3), 1.30656302f);
x[7] = MA_DR_MP3_VMUL_S(MA_DR_MP3_VSUB(xt, x7), 2.56291556f);
}
if (k > n - 3)
{
#if MA_DR_MP3_HAVE_SSE
#define MA_DR_MP3_VSAVE2(i, v) _mm_storel_pi((__m64 *)(void*)&y[i*18], v)
#else
#define MA_DR_MP3_VSAVE2(i, v) vst1_f32((float32_t *)&y[(i)*18], vget_low_f32(v))
#endif
for (i = 0; i < 7; i++, y += 4*18)
{
ma_dr_mp3_f4 s = MA_DR_MP3_VADD(t[3][i], t[3][i + 1]);
MA_DR_MP3_VSAVE2(0, t[0][i]);
MA_DR_MP3_VSAVE2(1, MA_DR_MP3_VADD(t[2][i], s));
MA_DR_MP3_VSAVE2(2, MA_DR_MP3_VADD(t[1][i], t[1][i + 1]));
MA_DR_MP3_VSAVE2(3, MA_DR_MP3_VADD(t[2][1 + i], s));
}
MA_DR_MP3_VSAVE2(0, t[0][7]);
MA_DR_MP3_VSAVE2(1, MA_DR_MP3_VADD(t[2][7], t[3][7]));
MA_DR_MP3_VSAVE2(2, t[1][7]);
MA_DR_MP3_VSAVE2(3, t[3][7]);
} else
{
#define MA_DR_MP3_VSAVE4(i, v) MA_DR_MP3_VSTORE(&y[(i)*18], v)
for (i = 0; i < 7; i++, y += 4*18)
{
ma_dr_mp3_f4 s = MA_DR_MP3_VADD(t[3][i], t[3][i + 1]);
MA_DR_MP3_VSAVE4(0, t[0][i]);
MA_DR_MP3_VSAVE4(1, MA_DR_MP3_VADD(t[2][i], s));
MA_DR_MP3_VSAVE4(2, MA_DR_MP3_VADD(t[1][i], t[1][i + 1]));
MA_DR_MP3_VSAVE4(3, MA_DR_MP3_VADD(t[2][1 + i], s));
}
MA_DR_MP3_VSAVE4(0, t[0][7]);
MA_DR_MP3_VSAVE4(1, MA_DR_MP3_VADD(t[2][7], t[3][7]));
MA_DR_MP3_VSAVE4(2, t[1][7]);
MA_DR_MP3_VSAVE4(3, t[3][7]);
}
} else
#endif
#ifdef MA_DR_MP3_ONLY_SIMD
{}
#else
for (; k < n; k++)
{
float t[4][8], *x, *y = grbuf + k;
for (x = t[0], i = 0; i < 8; i++, x++)
{
float x0 = y[i*18];
float x1 = y[(15 - i)*18];
float x2 = y[(16 + i)*18];
float x3 = y[(31 - i)*18];
float t0 = x0 + x3;
float t1 = x1 + x2;
float t2 = (x1 - x2)*g_sec[3*i + 0];
float t3 = (x0 - x3)*g_sec[3*i + 1];
x[0] = t0 + t1;
x[8] = (t0 - t1)*g_sec[3*i + 2];
x[16] = t3 + t2;
x[24] = (t3 - t2)*g_sec[3*i + 2];
}
for (x = t[0], i = 0; i < 4; i++, x += 8)
{
float x0 = x[0], x1 = x[1], x2 = x[2], x3 = x[3], x4 = x[4], x5 = x[5], x6 = x[6], x7 = x[7], xt;
xt = x0 - x7; x0 += x7;
x7 = x1 - x6; x1 += x6;
x6 = x2 - x5; x2 += x5;
x5 = x3 - x4; x3 += x4;
x4 = x0 - x3; x0 += x3;
x3 = x1 - x2; x1 += x2;
x[0] = x0 + x1;
x[4] = (x0 - x1)*0.70710677f;
x5 = x5 + x6;
x6 = (x6 + x7)*0.70710677f;
x7 = x7 + xt;
x3 = (x3 + x4)*0.70710677f;
x5 -= x7*0.198912367f;
x7 += x5*0.382683432f;
x5 -= x7*0.198912367f;
x0 = xt - x6; xt += x6;
x[1] = (xt + x7)*0.50979561f;
x[2] = (x4 + x3)*0.54119611f;
x[3] = (x0 - x5)*0.60134488f;
x[5] = (x0 + x5)*0.89997619f;
x[6] = (x4 - x3)*1.30656302f;
x[7] = (xt - x7)*2.56291556f;
}
for (i = 0; i < 7; i++, y += 4*18)
{
y[0*18] = t[0][i];
y[1*18] = t[2][i] + t[3][i] + t[3][i + 1];
y[2*18] = t[1][i] + t[1][i + 1];
y[3*18] = t[2][i + 1] + t[3][i] + t[3][i + 1];
}
y[0*18] = t[0][7];
y[1*18] = t[2][7] + t[3][7];
y[2*18] = t[1][7];
y[3*18] = t[3][7];
}
#endif
}
#ifndef MA_DR_MP3_FLOAT_OUTPUT
typedef ma_int16 ma_dr_mp3d_sample_t;
static ma_int16 ma_dr_mp3d_scale_pcm(float sample)
{
ma_int16 s;
#if MA_DR_MP3_HAVE_ARMV6
ma_int32 s32 = (ma_int32)(sample + .5f);
s32 -= (s32 < 0);
s = (ma_int16)ma_dr_mp3_clip_int16_arm(s32);
#else
if (sample >= 32766.5f) return (ma_int16) 32767;
if (sample <= -32767.5f) return (ma_int16)-32768;
s = (ma_int16)(sample + .5f);
s -= (s < 0);
#endif
return s;
}
#else
typedef float ma_dr_mp3d_sample_t;
static float ma_dr_mp3d_scale_pcm(float sample)
{
return sample*(1.f/32768.f);
}
#endif
static void ma_dr_mp3d_synth_pair(ma_dr_mp3d_sample_t *pcm, int nch, const float *z)
{
float a;
a = (z[14*64] - z[ 0]) * 29;
a += (z[ 1*64] + z[13*64]) * 213;
a += (z[12*64] - z[ 2*64]) * 459;
a += (z[ 3*64] + z[11*64]) * 2037;
a += (z[10*64] - z[ 4*64]) * 5153;
a += (z[ 5*64] + z[ 9*64]) * 6574;
a += (z[ 8*64] - z[ 6*64]) * 37489;
a += z[ 7*64] * 75038;
pcm[0] = ma_dr_mp3d_scale_pcm(a);
z += 2;
a = z[14*64] * 104;
a += z[12*64] * 1567;
a += z[10*64] * 9727;
a += z[ 8*64] * 64019;
a += z[ 6*64] * -9975;
a += z[ 4*64] * -45;
a += z[ 2*64] * 146;
a += z[ 0*64] * -5;
pcm[16*nch] = ma_dr_mp3d_scale_pcm(a);
}
static void ma_dr_mp3d_synth(float *xl, ma_dr_mp3d_sample_t *dstl, int nch, float *lins)
{
int i;
float *xr = xl + 576*(nch - 1);
ma_dr_mp3d_sample_t *dstr = dstl + (nch - 1);
static const float g_win[] = {
-1,26,-31,208,218,401,-519,2063,2000,4788,-5517,7134,5959,35640,-39336,74992,
-1,24,-35,202,222,347,-581,2080,1952,4425,-5879,7640,5288,33791,-41176,74856,
-1,21,-38,196,225,294,-645,2087,1893,4063,-6237,8092,4561,31947,-43006,74630,
-1,19,-41,190,227,244,-711,2085,1822,3705,-6589,8492,3776,30112,-44821,74313,
-1,17,-45,183,228,197,-779,2075,1739,3351,-6935,8840,2935,28289,-46617,73908,
-1,16,-49,176,228,153,-848,2057,1644,3004,-7271,9139,2037,26482,-48390,73415,
-2,14,-53,169,227,111,-919,2032,1535,2663,-7597,9389,1082,24694,-50137,72835,
-2,13,-58,161,224,72,-991,2001,1414,2330,-7910,9592,70,22929,-51853,72169,
-2,11,-63,154,221,36,-1064,1962,1280,2006,-8209,9750,-998,21189,-53534,71420,
-2,10,-68,147,215,2,-1137,1919,1131,1692,-8491,9863,-2122,19478,-55178,70590,
-3,9,-73,139,208,-29,-1210,1870,970,1388,-8755,9935,-3300,17799,-56778,69679,
-3,8,-79,132,200,-57,-1283,1817,794,1095,-8998,9966,-4533,16155,-58333,68692,
-4,7,-85,125,189,-83,-1356,1759,605,814,-9219,9959,-5818,14548,-59838,67629,
-4,7,-91,117,177,-106,-1428,1698,402,545,-9416,9916,-7154,12980,-61289,66494,
-5,6,-97,111,163,-127,-1498,1634,185,288,-9585,9838,-8540,11455,-62684,65290
};
float *zlin = lins + 15*64;
const float *w = g_win;
zlin[4*15] = xl[18*16];
zlin[4*15 + 1] = xr[18*16];
zlin[4*15 + 2] = xl[0];
zlin[4*15 + 3] = xr[0];
zlin[4*31] = xl[1 + 18*16];
zlin[4*31 + 1] = xr[1 + 18*16];
zlin[4*31 + 2] = xl[1];
zlin[4*31 + 3] = xr[1];
ma_dr_mp3d_synth_pair(dstr, nch, lins + 4*15 + 1);
ma_dr_mp3d_synth_pair(dstr + 32*nch, nch, lins + 4*15 + 64 + 1);
ma_dr_mp3d_synth_pair(dstl, nch, lins + 4*15);
ma_dr_mp3d_synth_pair(dstl + 32*nch, nch, lins + 4*15 + 64);
#if MA_DR_MP3_HAVE_SIMD
if (ma_dr_mp3_have_simd()) for (i = 14; i >= 0; i--)
{
#define MA_DR_MP3_VLOAD(k) ma_dr_mp3_f4 w0 = MA_DR_MP3_VSET(*w++); ma_dr_mp3_f4 w1 = MA_DR_MP3_VSET(*w++); ma_dr_mp3_f4 vz = MA_DR_MP3_VLD(&zlin[4*i - 64*k]); ma_dr_mp3_f4 vy = MA_DR_MP3_VLD(&zlin[4*i - 64*(15 - k)]);
#define MA_DR_MP3_V0(k) { MA_DR_MP3_VLOAD(k) b = MA_DR_MP3_VADD(MA_DR_MP3_VMUL(vz, w1), MA_DR_MP3_VMUL(vy, w0)) ; a = MA_DR_MP3_VSUB(MA_DR_MP3_VMUL(vz, w0), MA_DR_MP3_VMUL(vy, w1)); }
#define MA_DR_MP3_V1(k) { MA_DR_MP3_VLOAD(k) b = MA_DR_MP3_VADD(b, MA_DR_MP3_VADD(MA_DR_MP3_VMUL(vz, w1), MA_DR_MP3_VMUL(vy, w0))); a = MA_DR_MP3_VADD(a, MA_DR_MP3_VSUB(MA_DR_MP3_VMUL(vz, w0), MA_DR_MP3_VMUL(vy, w1))); }
#define MA_DR_MP3_V2(k) { MA_DR_MP3_VLOAD(k) b = MA_DR_MP3_VADD(b, MA_DR_MP3_VADD(MA_DR_MP3_VMUL(vz, w1), MA_DR_MP3_VMUL(vy, w0))); a = MA_DR_MP3_VADD(a, MA_DR_MP3_VSUB(MA_DR_MP3_VMUL(vy, w1), MA_DR_MP3_VMUL(vz, w0))); }
ma_dr_mp3_f4 a, b;
zlin[4*i] = xl[18*(31 - i)];
zlin[4*i + 1] = xr[18*(31 - i)];
zlin[4*i + 2] = xl[1 + 18*(31 - i)];
zlin[4*i + 3] = xr[1 + 18*(31 - i)];
zlin[4*i + 64] = xl[1 + 18*(1 + i)];
zlin[4*i + 64 + 1] = xr[1 + 18*(1 + i)];
zlin[4*i - 64 + 2] = xl[18*(1 + i)];
zlin[4*i - 64 + 3] = xr[18*(1 + i)];
MA_DR_MP3_V0(0) MA_DR_MP3_V2(1) MA_DR_MP3_V1(2) MA_DR_MP3_V2(3) MA_DR_MP3_V1(4) MA_DR_MP3_V2(5) MA_DR_MP3_V1(6) MA_DR_MP3_V2(7)
{
#ifndef MA_DR_MP3_FLOAT_OUTPUT
#if MA_DR_MP3_HAVE_SSE
static const ma_dr_mp3_f4 g_max = { 32767.0f, 32767.0f, 32767.0f, 32767.0f };
static const ma_dr_mp3_f4 g_min = { -32768.0f, -32768.0f, -32768.0f, -32768.0f };
__m128i pcm8 = _mm_packs_epi32(_mm_cvtps_epi32(_mm_max_ps(_mm_min_ps(a, g_max), g_min)),
_mm_cvtps_epi32(_mm_max_ps(_mm_min_ps(b, g_max), g_min)));
dstr[(15 - i)*nch] = (ma_int16)_mm_extract_epi16(pcm8, 1);
dstr[(17 + i)*nch] = (ma_int16)_mm_extract_epi16(pcm8, 5);
dstl[(15 - i)*nch] = (ma_int16)_mm_extract_epi16(pcm8, 0);
dstl[(17 + i)*nch] = (ma_int16)_mm_extract_epi16(pcm8, 4);
dstr[(47 - i)*nch] = (ma_int16)_mm_extract_epi16(pcm8, 3);
dstr[(49 + i)*nch] = (ma_int16)_mm_extract_epi16(pcm8, 7);
dstl[(47 - i)*nch] = (ma_int16)_mm_extract_epi16(pcm8, 2);
dstl[(49 + i)*nch] = (ma_int16)_mm_extract_epi16(pcm8, 6);
#else
int16x4_t pcma, pcmb;
a = MA_DR_MP3_VADD(a, MA_DR_MP3_VSET(0.5f));
b = MA_DR_MP3_VADD(b, MA_DR_MP3_VSET(0.5f));
pcma = vqmovn_s32(vqaddq_s32(vcvtq_s32_f32(a), vreinterpretq_s32_u32(vcltq_f32(a, MA_DR_MP3_VSET(0)))));
pcmb = vqmovn_s32(vqaddq_s32(vcvtq_s32_f32(b), vreinterpretq_s32_u32(vcltq_f32(b, MA_DR_MP3_VSET(0)))));
vst1_lane_s16(dstr + (15 - i)*nch, pcma, 1);
vst1_lane_s16(dstr + (17 + i)*nch, pcmb, 1);
vst1_lane_s16(dstl + (15 - i)*nch, pcma, 0);
vst1_lane_s16(dstl + (17 + i)*nch, pcmb, 0);
vst1_lane_s16(dstr + (47 - i)*nch, pcma, 3);
vst1_lane_s16(dstr + (49 + i)*nch, pcmb, 3);
vst1_lane_s16(dstl + (47 - i)*nch, pcma, 2);
vst1_lane_s16(dstl + (49 + i)*nch, pcmb, 2);
#endif
#else
#if MA_DR_MP3_HAVE_SSE
static const ma_dr_mp3_f4 g_scale = { 1.0f/32768.0f, 1.0f/32768.0f, 1.0f/32768.0f, 1.0f/32768.0f };
#else
const ma_dr_mp3_f4 g_scale = vdupq_n_f32(1.0f/32768.0f);
#endif
a = MA_DR_MP3_VMUL(a, g_scale);
b = MA_DR_MP3_VMUL(b, g_scale);
#if MA_DR_MP3_HAVE_SSE
_mm_store_ss(dstr + (15 - i)*nch, _mm_shuffle_ps(a, a, _MM_SHUFFLE(1, 1, 1, 1)));
_mm_store_ss(dstr + (17 + i)*nch, _mm_shuffle_ps(b, b, _MM_SHUFFLE(1, 1, 1, 1)));
_mm_store_ss(dstl + (15 - i)*nch, _mm_shuffle_ps(a, a, _MM_SHUFFLE(0, 0, 0, 0)));
_mm_store_ss(dstl + (17 + i)*nch, _mm_shuffle_ps(b, b, _MM_SHUFFLE(0, 0, 0, 0)));
_mm_store_ss(dstr + (47 - i)*nch, _mm_shuffle_ps(a, a, _MM_SHUFFLE(3, 3, 3, 3)));
_mm_store_ss(dstr + (49 + i)*nch, _mm_shuffle_ps(b, b, _MM_SHUFFLE(3, 3, 3, 3)));
_mm_store_ss(dstl + (47 - i)*nch, _mm_shuffle_ps(a, a, _MM_SHUFFLE(2, 2, 2, 2)));
_mm_store_ss(dstl + (49 + i)*nch, _mm_shuffle_ps(b, b, _MM_SHUFFLE(2, 2, 2, 2)));
#else
vst1q_lane_f32(dstr + (15 - i)*nch, a, 1);
vst1q_lane_f32(dstr + (17 + i)*nch, b, 1);
vst1q_lane_f32(dstl + (15 - i)*nch, a, 0);
vst1q_lane_f32(dstl + (17 + i)*nch, b, 0);
vst1q_lane_f32(dstr + (47 - i)*nch, a, 3);
vst1q_lane_f32(dstr + (49 + i)*nch, b, 3);
vst1q_lane_f32(dstl + (47 - i)*nch, a, 2);
vst1q_lane_f32(dstl + (49 + i)*nch, b, 2);
#endif
#endif
}
} else
#endif
#ifdef MA_DR_MP3_ONLY_SIMD
{}
#else
for (i = 14; i >= 0; i--)
{
#define MA_DR_MP3_LOAD(k) float w0 = *w++; float w1 = *w++; float *vz = &zlin[4*i - k*64]; float *vy = &zlin[4*i - (15 - k)*64];
#define MA_DR_MP3_S0(k) { int j; MA_DR_MP3_LOAD(k); for (j = 0; j < 4; j++) b[j] = vz[j]*w1 + vy[j]*w0, a[j] = vz[j]*w0 - vy[j]*w1; }
#define MA_DR_MP3_S1(k) { int j; MA_DR_MP3_LOAD(k); for (j = 0; j < 4; j++) b[j] += vz[j]*w1 + vy[j]*w0, a[j] += vz[j]*w0 - vy[j]*w1; }
#define MA_DR_MP3_S2(k) { int j; MA_DR_MP3_LOAD(k); for (j = 0; j < 4; j++) b[j] += vz[j]*w1 + vy[j]*w0, a[j] += vy[j]*w1 - vz[j]*w0; }
float a[4], b[4];
zlin[4*i] = xl[18*(31 - i)];
zlin[4*i + 1] = xr[18*(31 - i)];
zlin[4*i + 2] = xl[1 + 18*(31 - i)];
zlin[4*i + 3] = xr[1 + 18*(31 - i)];
zlin[4*(i + 16)] = xl[1 + 18*(1 + i)];
zlin[4*(i + 16) + 1] = xr[1 + 18*(1 + i)];
zlin[4*(i - 16) + 2] = xl[18*(1 + i)];
zlin[4*(i - 16) + 3] = xr[18*(1 + i)];
MA_DR_MP3_S0(0) MA_DR_MP3_S2(1) MA_DR_MP3_S1(2) MA_DR_MP3_S2(3) MA_DR_MP3_S1(4) MA_DR_MP3_S2(5) MA_DR_MP3_S1(6) MA_DR_MP3_S2(7)
dstr[(15 - i)*nch] = ma_dr_mp3d_scale_pcm(a[1]);
dstr[(17 + i)*nch] = ma_dr_mp3d_scale_pcm(b[1]);
dstl[(15 - i)*nch] = ma_dr_mp3d_scale_pcm(a[0]);
dstl[(17 + i)*nch] = ma_dr_mp3d_scale_pcm(b[0]);
dstr[(47 - i)*nch] = ma_dr_mp3d_scale_pcm(a[3]);
dstr[(49 + i)*nch] = ma_dr_mp3d_scale_pcm(b[3]);
dstl[(47 - i)*nch] = ma_dr_mp3d_scale_pcm(a[2]);
dstl[(49 + i)*nch] = ma_dr_mp3d_scale_pcm(b[2]);
}
#endif
}
static void ma_dr_mp3d_synth_granule(float *qmf_state, float *grbuf, int nbands, int nch, ma_dr_mp3d_sample_t *pcm, float *lins)
{
int i;
for (i = 0; i < nch; i++)
{
ma_dr_mp3d_DCT_II(grbuf + 576*i, nbands);
}
MA_DR_MP3_COPY_MEMORY(lins, qmf_state, sizeof(float)*15*64);
for (i = 0; i < nbands; i += 2)
{
ma_dr_mp3d_synth(grbuf + i, pcm + 32*nch*i, nch, lins + i*64);
}
#ifndef MA_DR_MP3_NONSTANDARD_BUT_LOGICAL
if (nch == 1)
{
for (i = 0; i < 15*64; i += 2)
{
qmf_state[i] = lins[nbands*64 + i];
}
} else
#endif
{
MA_DR_MP3_COPY_MEMORY(qmf_state, lins + nbands*64, sizeof(float)*15*64);
}
}
static int ma_dr_mp3d_match_frame(const ma_uint8 *hdr, int mp3_bytes, int frame_bytes)
{
int i, nmatch;
for (i = 0, nmatch = 0; nmatch < MA_DR_MP3_MAX_FRAME_SYNC_MATCHES; nmatch++)
{
i += ma_dr_mp3_hdr_frame_bytes(hdr + i, frame_bytes) + ma_dr_mp3_hdr_padding(hdr + i);
if (i + MA_DR_MP3_HDR_SIZE > mp3_bytes)
return nmatch > 0;
if (!ma_dr_mp3_hdr_compare(hdr, hdr + i))
return 0;
}
return 1;
}
static int ma_dr_mp3d_find_frame(const ma_uint8 *mp3, int mp3_bytes, int *free_format_bytes, int *ptr_frame_bytes)
{
int i, k;
for (i = 0; i < mp3_bytes - MA_DR_MP3_HDR_SIZE; i++, mp3++)
{
if (ma_dr_mp3_hdr_valid(mp3))
{
int frame_bytes = ma_dr_mp3_hdr_frame_bytes(mp3, *free_format_bytes);
int frame_and_padding = frame_bytes + ma_dr_mp3_hdr_padding(mp3);
for (k = MA_DR_MP3_HDR_SIZE; !frame_bytes && k < MA_DR_MP3_MAX_FREE_FORMAT_FRAME_SIZE && i + 2*k < mp3_bytes - MA_DR_MP3_HDR_SIZE; k++)
{
if (ma_dr_mp3_hdr_compare(mp3, mp3 + k))
{
int fb = k - ma_dr_mp3_hdr_padding(mp3);
int nextfb = fb + ma_dr_mp3_hdr_padding(mp3 + k);
if (i + k + nextfb + MA_DR_MP3_HDR_SIZE > mp3_bytes || !ma_dr_mp3_hdr_compare(mp3, mp3 + k + nextfb))
continue;
frame_and_padding = k;
frame_bytes = fb;
*free_format_bytes = fb;
}
}
if ((frame_bytes && i + frame_and_padding <= mp3_bytes &&
ma_dr_mp3d_match_frame(mp3, mp3_bytes - i, frame_bytes)) ||
(!i && frame_and_padding == mp3_bytes))
{
*ptr_frame_bytes = frame_and_padding;
return i;
}
*free_format_bytes = 0;
}
}
*ptr_frame_bytes = 0;
return mp3_bytes;
}
MA_API void ma_dr_mp3dec_init(ma_dr_mp3dec *dec)
{
dec->header[0] = 0;
}
MA_API int ma_dr_mp3dec_decode_frame(ma_dr_mp3dec *dec, const ma_uint8 *mp3, int mp3_bytes, void *pcm, ma_dr_mp3dec_frame_info *info)
{
int i = 0, igr, frame_size = 0, success = 1;
const ma_uint8 *hdr;
ma_dr_mp3_bs bs_frame[1];
if (mp3_bytes > 4 && dec->header[0] == 0xff && ma_dr_mp3_hdr_compare(dec->header, mp3))
{
frame_size = ma_dr_mp3_hdr_frame_bytes(mp3, dec->free_format_bytes) + ma_dr_mp3_hdr_padding(mp3);
if (frame_size != mp3_bytes && (frame_size + MA_DR_MP3_HDR_SIZE > mp3_bytes || !ma_dr_mp3_hdr_compare(mp3, mp3 + frame_size)))
{
frame_size = 0;
}
}
if (!frame_size)
{
MA_DR_MP3_ZERO_MEMORY(dec, sizeof(ma_dr_mp3dec));
i = ma_dr_mp3d_find_frame(mp3, mp3_bytes, &dec->free_format_bytes, &frame_size);
if (!frame_size || i + frame_size > mp3_bytes)
{
info->frame_bytes = i;
return 0;
}
}
hdr = mp3 + i;
MA_DR_MP3_COPY_MEMORY(dec->header, hdr, MA_DR_MP3_HDR_SIZE);
info->frame_bytes = i + frame_size;
info->channels = MA_DR_MP3_HDR_IS_MONO(hdr) ? 1 : 2;
info->sample_rate = ma_dr_mp3_hdr_sample_rate_hz(hdr);
info->layer = 4 - MA_DR_MP3_HDR_GET_LAYER(hdr);
info->bitrate_kbps = ma_dr_mp3_hdr_bitrate_kbps(hdr);
ma_dr_mp3_bs_init(bs_frame, hdr + MA_DR_MP3_HDR_SIZE, frame_size - MA_DR_MP3_HDR_SIZE);
if (MA_DR_MP3_HDR_IS_CRC(hdr))
{
ma_dr_mp3_bs_get_bits(bs_frame, 16);
}
if (info->layer == 3)
{
int main_data_begin = ma_dr_mp3_L3_read_side_info(bs_frame, dec->scratch.gr_info, hdr);
if (main_data_begin < 0 || bs_frame->pos > bs_frame->limit)
{
ma_dr_mp3dec_init(dec);
return 0;
}
success = ma_dr_mp3_L3_restore_reservoir(dec, bs_frame, &dec->scratch, main_data_begin);
if (success && pcm != NULL)
{
for (igr = 0; igr < (MA_DR_MP3_HDR_TEST_MPEG1(hdr) ? 2 : 1); igr++, pcm = MA_DR_MP3_OFFSET_PTR(pcm, sizeof(ma_dr_mp3d_sample_t)*576*info->channels))
{
MA_DR_MP3_ZERO_MEMORY(dec->scratch.grbuf[0], 576*2*sizeof(float));
ma_dr_mp3_L3_decode(dec, &dec->scratch, dec->scratch.gr_info + igr*info->channels, info->channels);
ma_dr_mp3d_synth_granule(dec->qmf_state, dec->scratch.grbuf[0], 18, info->channels, (ma_dr_mp3d_sample_t*)pcm, dec->scratch.syn[0]);
}
}
ma_dr_mp3_L3_save_reservoir(dec, &dec->scratch);
} else
{
#ifdef MA_DR_MP3_ONLY_MP3
return 0;
#else
ma_dr_mp3_L12_scale_info sci[1];
if (pcm == NULL) {
return ma_dr_mp3_hdr_frame_samples(hdr);
}
ma_dr_mp3_L12_read_scale_info(hdr, bs_frame, sci);
MA_DR_MP3_ZERO_MEMORY(dec->scratch.grbuf[0], 576*2*sizeof(float));
for (i = 0, igr = 0; igr < 3; igr++)
{
if (12 == (i += ma_dr_mp3_L12_dequantize_granule(dec->scratch.grbuf[0] + i, bs_frame, sci, info->layer | 1)))
{
i = 0;
ma_dr_mp3_L12_apply_scf_384(sci, sci->scf + igr, dec->scratch.grbuf[0]);
ma_dr_mp3d_synth_granule(dec->qmf_state, dec->scratch.grbuf[0], 12, info->channels, (ma_dr_mp3d_sample_t*)pcm, dec->scratch.syn[0]);
MA_DR_MP3_ZERO_MEMORY(dec->scratch.grbuf[0], 576*2*sizeof(float));
pcm = MA_DR_MP3_OFFSET_PTR(pcm, sizeof(ma_dr_mp3d_sample_t)*384*info->channels);
}
if (bs_frame->pos > bs_frame->limit)
{
ma_dr_mp3dec_init(dec);
return 0;
}
}
#endif
}
return success*ma_dr_mp3_hdr_frame_samples(dec->header);
}
MA_API void ma_dr_mp3dec_f32_to_s16(const float *in, ma_int16 *out, size_t num_samples)
{
size_t i = 0;
#if MA_DR_MP3_HAVE_SIMD
size_t aligned_count = num_samples & ~7;
for(; i < aligned_count; i+=8)
{
ma_dr_mp3_f4 scale = MA_DR_MP3_VSET(32768.0f);
ma_dr_mp3_f4 a = MA_DR_MP3_VMUL(MA_DR_MP3_VLD(&in[i ]), scale);
ma_dr_mp3_f4 b = MA_DR_MP3_VMUL(MA_DR_MP3_VLD(&in[i+4]), scale);
#if MA_DR_MP3_HAVE_SSE
ma_dr_mp3_f4 s16max = MA_DR_MP3_VSET( 32767.0f);
ma_dr_mp3_f4 s16min = MA_DR_MP3_VSET(-32768.0f);
__m128i pcm8 = _mm_packs_epi32(_mm_cvtps_epi32(_mm_max_ps(_mm_min_ps(a, s16max), s16min)),
_mm_cvtps_epi32(_mm_max_ps(_mm_min_ps(b, s16max), s16min)));
out[i ] = (ma_int16)_mm_extract_epi16(pcm8, 0);
out[i+1] = (ma_int16)_mm_extract_epi16(pcm8, 1);
out[i+2] = (ma_int16)_mm_extract_epi16(pcm8, 2);
out[i+3] = (ma_int16)_mm_extract_epi16(pcm8, 3);
out[i+4] = (ma_int16)_mm_extract_epi16(pcm8, 4);
out[i+5] = (ma_int16)_mm_extract_epi16(pcm8, 5);
out[i+6] = (ma_int16)_mm_extract_epi16(pcm8, 6);
out[i+7] = (ma_int16)_mm_extract_epi16(pcm8, 7);
#else
int16x4_t pcma, pcmb;
a = MA_DR_MP3_VADD(a, MA_DR_MP3_VSET(0.5f));
b = MA_DR_MP3_VADD(b, MA_DR_MP3_VSET(0.5f));
pcma = vqmovn_s32(vqaddq_s32(vcvtq_s32_f32(a), vreinterpretq_s32_u32(vcltq_f32(a, MA_DR_MP3_VSET(0)))));
pcmb = vqmovn_s32(vqaddq_s32(vcvtq_s32_f32(b), vreinterpretq_s32_u32(vcltq_f32(b, MA_DR_MP3_VSET(0)))));
vst1_lane_s16(out+i , pcma, 0);
vst1_lane_s16(out+i+1, pcma, 1);
vst1_lane_s16(out+i+2, pcma, 2);
vst1_lane_s16(out+i+3, pcma, 3);
vst1_lane_s16(out+i+4, pcmb, 0);
vst1_lane_s16(out+i+5, pcmb, 1);
vst1_lane_s16(out+i+6, pcmb, 2);
vst1_lane_s16(out+i+7, pcmb, 3);
#endif
}
#endif
for(; i < num_samples; i++)
{
float sample = in[i] * 32768.0f;
if (sample >= 32766.5f)
out[i] = (ma_int16) 32767;
else if (sample <= -32767.5f)
out[i] = (ma_int16)-32768;
else
{
short s = (ma_int16)(sample + .5f);
s -= (s < 0);
out[i] = s;
}
}
}
#ifndef MA_DR_MP3_SEEK_LEADING_MP3_FRAMES
#define MA_DR_MP3_SEEK_LEADING_MP3_FRAMES 2
#endif
#define MA_DR_MP3_MIN_DATA_CHUNK_SIZE 16384
#ifndef MA_DR_MP3_DATA_CHUNK_SIZE
#define MA_DR_MP3_DATA_CHUNK_SIZE (MA_DR_MP3_MIN_DATA_CHUNK_SIZE*4)
#endif
#define MA_DR_MP3_COUNTOF(x) (sizeof(x) / sizeof(x[0]))
#define MA_DR_MP3_CLAMP(x, lo, hi) (MA_DR_MP3_MAX(lo, MA_DR_MP3_MIN(x, hi)))
#ifndef MA_DR_MP3_PI_D
#define MA_DR_MP3_PI_D 3.14159265358979323846264
#endif
#define MA_DR_MP3_DEFAULT_RESAMPLER_LPF_ORDER 2
static MA_INLINE float ma_dr_mp3_mix_f32(float x, float y, float a)
{
return x*(1-a) + y*a;
}
static MA_INLINE float ma_dr_mp3_mix_f32_fast(float x, float y, float a)
{
float r0 = (y - x);
float r1 = r0*a;
return x + r1;
}
static MA_INLINE ma_uint32 ma_dr_mp3_gcf_u32(ma_uint32 a, ma_uint32 b)
{
for (;;) {
if (b == 0) {
break;
} else {
ma_uint32 t = a;
a = b;
b = t % a;
}
}
return a;
}
static void* ma_dr_mp3__malloc_default(size_t sz, void* pUserData)
{
(void)pUserData;
return MA_DR_MP3_MALLOC(sz);
}
static void* ma_dr_mp3__realloc_default(void* p, size_t sz, void* pUserData)
{
(void)pUserData;
return MA_DR_MP3_REALLOC(p, sz);
}
static void ma_dr_mp3__free_default(void* p, void* pUserData)
{
(void)pUserData;
MA_DR_MP3_FREE(p);
}
static void* ma_dr_mp3__malloc_from_callbacks(size_t sz, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pAllocationCallbacks == NULL) {
return NULL;
}
if (pAllocationCallbacks->onMalloc != NULL) {
return pAllocationCallbacks->onMalloc(sz, pAllocationCallbacks->pUserData);
}
if (pAllocationCallbacks->onRealloc != NULL) {
return pAllocationCallbacks->onRealloc(NULL, sz, pAllocationCallbacks->pUserData);
}
return NULL;
}
static void* ma_dr_mp3__realloc_from_callbacks(void* p, size_t szNew, size_t szOld, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pAllocationCallbacks == NULL) {
return NULL;
}
if (pAllocationCallbacks->onRealloc != NULL) {
return pAllocationCallbacks->onRealloc(p, szNew, pAllocationCallbacks->pUserData);
}
if (pAllocationCallbacks->onMalloc != NULL && pAllocationCallbacks->onFree != NULL) {
void* p2;
p2 = pAllocationCallbacks->onMalloc(szNew, pAllocationCallbacks->pUserData);
if (p2 == NULL) {
return NULL;
}
if (p != NULL) {
MA_DR_MP3_COPY_MEMORY(p2, p, szOld);
pAllocationCallbacks->onFree(p, pAllocationCallbacks->pUserData);
}
return p2;
}
return NULL;
}
static void ma_dr_mp3__free_from_callbacks(void* p, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (p == NULL || pAllocationCallbacks == NULL) {
return;
}
if (pAllocationCallbacks->onFree != NULL) {
pAllocationCallbacks->onFree(p, pAllocationCallbacks->pUserData);
}
}
static ma_allocation_callbacks ma_dr_mp3_copy_allocation_callbacks_or_defaults(const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pAllocationCallbacks != NULL) {
return *pAllocationCallbacks;
} else {
ma_allocation_callbacks allocationCallbacks;
allocationCallbacks.pUserData = NULL;
allocationCallbacks.onMalloc = ma_dr_mp3__malloc_default;
allocationCallbacks.onRealloc = ma_dr_mp3__realloc_default;
allocationCallbacks.onFree = ma_dr_mp3__free_default;
return allocationCallbacks;
}
}
static size_t ma_dr_mp3__on_read(ma_dr_mp3* pMP3, void* pBufferOut, size_t bytesToRead)
{
size_t bytesRead;
MA_DR_MP3_ASSERT(pMP3 != NULL);
MA_DR_MP3_ASSERT(pMP3->onRead != NULL);
if (bytesToRead == 0) {
return 0;
}
bytesRead = pMP3->onRead(pMP3->pUserData, pBufferOut, bytesToRead);
pMP3->streamCursor += bytesRead;
return bytesRead;
}
static size_t ma_dr_mp3__on_read_clamped(ma_dr_mp3* pMP3, void* pBufferOut, size_t bytesToRead)
{
MA_DR_MP3_ASSERT(pMP3 != NULL);
MA_DR_MP3_ASSERT(pMP3->onRead != NULL);
if (pMP3->streamLength == MA_UINT64_MAX) {
return ma_dr_mp3__on_read(pMP3, pBufferOut, bytesToRead);
} else {
ma_uint64 bytesRemaining;
bytesRemaining = (pMP3->streamLength - pMP3->streamCursor);
if (bytesToRead > bytesRemaining) {
bytesToRead = (size_t)bytesRemaining;
}
return ma_dr_mp3__on_read(pMP3, pBufferOut, bytesToRead);
}
}
static ma_bool32 ma_dr_mp3__on_seek(ma_dr_mp3* pMP3, int offset, ma_dr_mp3_seek_origin origin)
{
MA_DR_MP3_ASSERT(offset >= 0);
MA_DR_MP3_ASSERT(origin == MA_DR_MP3_SEEK_SET || origin == MA_DR_MP3_SEEK_CUR);
if (!pMP3->onSeek(pMP3->pUserData, offset, origin)) {
return MA_FALSE;
}
if (origin == MA_DR_MP3_SEEK_SET) {
pMP3->streamCursor = (ma_uint64)offset;
} else{
pMP3->streamCursor += offset;
}
return MA_TRUE;
}
static ma_bool32 ma_dr_mp3__on_seek_64(ma_dr_mp3* pMP3, ma_uint64 offset, ma_dr_mp3_seek_origin origin)
{
if (offset <= 0x7FFFFFFF) {
return ma_dr_mp3__on_seek(pMP3, (int)offset, origin);
}
if (!ma_dr_mp3__on_seek(pMP3, 0x7FFFFFFF, MA_DR_MP3_SEEK_SET)) {
return MA_FALSE;
}
offset -= 0x7FFFFFFF;
while (offset > 0) {
if (offset <= 0x7FFFFFFF) {
if (!ma_dr_mp3__on_seek(pMP3, (int)offset, MA_DR_MP3_SEEK_CUR)) {
return MA_FALSE;
}
offset = 0;
} else {
if (!ma_dr_mp3__on_seek(pMP3, 0x7FFFFFFF, MA_DR_MP3_SEEK_CUR)) {
return MA_FALSE;
}
offset -= 0x7FFFFFFF;
}
}
return MA_TRUE;
}
static void ma_dr_mp3__on_meta(ma_dr_mp3* pMP3, ma_dr_mp3_metadata_type type, const void* pRawData, size_t rawDataSize)
{
if (pMP3->onMeta) {
ma_dr_mp3_metadata metadata;
MA_DR_MP3_ZERO_OBJECT(&metadata);
metadata.type = type;
metadata.pRawData = pRawData;
metadata.rawDataSize = rawDataSize;
pMP3->onMeta(pMP3->pUserDataMeta, &metadata);
}
}
static ma_uint32 ma_dr_mp3_decode_next_frame_ex__callbacks(ma_dr_mp3* pMP3, ma_dr_mp3d_sample_t* pPCMFrames, ma_dr_mp3dec_frame_info* pMP3FrameInfo, const ma_uint8** ppMP3FrameData)
{
ma_uint32 pcmFramesRead = 0;
MA_DR_MP3_ASSERT(pMP3 != NULL);
MA_DR_MP3_ASSERT(pMP3->onRead != NULL);
if (pMP3->atEnd) {
return 0;
}
for (;;) {
ma_dr_mp3dec_frame_info info;
if (pMP3->dataSize < MA_DR_MP3_MIN_DATA_CHUNK_SIZE) {
size_t bytesRead;
if (pMP3->pData != NULL) {
MA_DR_MP3_MOVE_MEMORY(pMP3->pData, pMP3->pData + pMP3->dataConsumed, pMP3->dataSize);
}
pMP3->dataConsumed = 0;
if (pMP3->dataCapacity < MA_DR_MP3_DATA_CHUNK_SIZE) {
ma_uint8* pNewData;
size_t newDataCap;
newDataCap = MA_DR_MP3_DATA_CHUNK_SIZE;
pNewData = (ma_uint8*)ma_dr_mp3__realloc_from_callbacks(pMP3->pData, newDataCap, pMP3->dataCapacity, &pMP3->allocationCallbacks);
if (pNewData == NULL) {
return 0;
}
pMP3->pData = pNewData;
pMP3->dataCapacity = newDataCap;
}
bytesRead = ma_dr_mp3__on_read_clamped(pMP3, pMP3->pData + pMP3->dataSize, (pMP3->dataCapacity - pMP3->dataSize));
if (bytesRead == 0) {
if (pMP3->dataSize == 0) {
pMP3->atEnd = MA_TRUE;
return 0;
}
}
pMP3->dataSize += bytesRead;
}
if (pMP3->dataSize > INT_MAX) {
pMP3->atEnd = MA_TRUE;
return 0;
}
MA_DR_MP3_ASSERT(pMP3->pData != NULL);
MA_DR_MP3_ASSERT(pMP3->dataCapacity > 0);
if (pMP3->pData == NULL) {
return 0;
}
pcmFramesRead = ma_dr_mp3dec_decode_frame(&pMP3->decoder, pMP3->pData + pMP3->dataConsumed, (int)pMP3->dataSize, pPCMFrames, &info);
pMP3->dataConsumed += (size_t)info.frame_bytes;
pMP3->dataSize -= (size_t)info.frame_bytes;
if (pcmFramesRead > 0) {
pcmFramesRead = ma_dr_mp3_hdr_frame_samples(pMP3->decoder.header);
pMP3->pcmFramesConsumedInMP3Frame = 0;
pMP3->pcmFramesRemainingInMP3Frame = pcmFramesRead;
pMP3->mp3FrameChannels = info.channels;
pMP3->mp3FrameSampleRate = info.sample_rate;
if (pMP3FrameInfo != NULL) {
*pMP3FrameInfo = info;
}
if (ppMP3FrameData != NULL) {
*ppMP3FrameData = pMP3->pData + pMP3->dataConsumed - (size_t)info.frame_bytes;
}
break;
} else if (info.frame_bytes == 0) {
size_t bytesRead;
MA_DR_MP3_MOVE_MEMORY(pMP3->pData, pMP3->pData + pMP3->dataConsumed, pMP3->dataSize);
pMP3->dataConsumed = 0;
if (pMP3->dataCapacity == pMP3->dataSize) {
ma_uint8* pNewData;
size_t newDataCap;
newDataCap = pMP3->dataCapacity + MA_DR_MP3_DATA_CHUNK_SIZE;
pNewData = (ma_uint8*)ma_dr_mp3__realloc_from_callbacks(pMP3->pData, newDataCap, pMP3->dataCapacity, &pMP3->allocationCallbacks);
if (pNewData == NULL) {
return 0;
}
pMP3->pData = pNewData;
pMP3->dataCapacity = newDataCap;
}
bytesRead = ma_dr_mp3__on_read_clamped(pMP3, pMP3->pData + pMP3->dataSize, (pMP3->dataCapacity - pMP3->dataSize));
if (bytesRead == 0) {
pMP3->atEnd = MA_TRUE;
return 0;
}
pMP3->dataSize += bytesRead;
}
};
return pcmFramesRead;
}
static ma_uint32 ma_dr_mp3_decode_next_frame_ex__memory(ma_dr_mp3* pMP3, ma_dr_mp3d_sample_t* pPCMFrames, ma_dr_mp3dec_frame_info* pMP3FrameInfo, const ma_uint8** ppMP3FrameData)
{
ma_uint32 pcmFramesRead = 0;
ma_dr_mp3dec_frame_info info;
MA_DR_MP3_ASSERT(pMP3 != NULL);
MA_DR_MP3_ASSERT(pMP3->memory.pData != NULL);
if (pMP3->atEnd) {
return 0;
}
for (;;) {
pcmFramesRead = ma_dr_mp3dec_decode_frame(&pMP3->decoder, pMP3->memory.pData + pMP3->memory.currentReadPos, (int)(pMP3->memory.dataSize - pMP3->memory.currentReadPos), pPCMFrames, &info);
if (pcmFramesRead > 0) {
pcmFramesRead = ma_dr_mp3_hdr_frame_samples(pMP3->decoder.header);
pMP3->pcmFramesConsumedInMP3Frame = 0;
pMP3->pcmFramesRemainingInMP3Frame = pcmFramesRead;
pMP3->mp3FrameChannels = info.channels;
pMP3->mp3FrameSampleRate = info.sample_rate;
if (pMP3FrameInfo != NULL) {
*pMP3FrameInfo = info;
}
if (ppMP3FrameData != NULL) {
*ppMP3FrameData = pMP3->memory.pData + pMP3->memory.currentReadPos;
}
break;
} else if (info.frame_bytes > 0) {
pMP3->memory.currentReadPos += (size_t)info.frame_bytes;
pMP3->streamCursor += (size_t)info.frame_bytes;
} else {
break;
}
}
pMP3->memory.currentReadPos += (size_t)info.frame_bytes;
pMP3->streamCursor += (size_t)info.frame_bytes;
return pcmFramesRead;
}
static ma_uint32 ma_dr_mp3_decode_next_frame_ex(ma_dr_mp3* pMP3, ma_dr_mp3d_sample_t* pPCMFrames, ma_dr_mp3dec_frame_info* pMP3FrameInfo, const ma_uint8** ppMP3FrameData)
{
if (pMP3->memory.pData != NULL && pMP3->memory.dataSize > 0) {
return ma_dr_mp3_decode_next_frame_ex__memory(pMP3, pPCMFrames, pMP3FrameInfo, ppMP3FrameData);
} else {
return ma_dr_mp3_decode_next_frame_ex__callbacks(pMP3, pPCMFrames, pMP3FrameInfo, ppMP3FrameData);
}
}
static ma_uint32 ma_dr_mp3_decode_next_frame(ma_dr_mp3* pMP3)
{
MA_DR_MP3_ASSERT(pMP3 != NULL);
return ma_dr_mp3_decode_next_frame_ex(pMP3, (ma_dr_mp3d_sample_t*)pMP3->pcmFrames, NULL, NULL);
}
#if 0
static ma_uint32 ma_dr_mp3_seek_next_frame(ma_dr_mp3* pMP3)
{
ma_uint32 pcmFrameCount;
MA_DR_MP3_ASSERT(pMP3 != NULL);
pcmFrameCount = ma_dr_mp3_decode_next_frame_ex(pMP3, NULL, NULL, NULL);
if (pcmFrameCount == 0) {
return 0;
}
pMP3->currentPCMFrame += pcmFrameCount;
pMP3->pcmFramesConsumedInMP3Frame = pcmFrameCount;
pMP3->pcmFramesRemainingInMP3Frame = 0;
return pcmFrameCount;
}
#endif
static ma_bool32 ma_dr_mp3_init_internal(ma_dr_mp3* pMP3, ma_dr_mp3_read_proc onRead, ma_dr_mp3_seek_proc onSeek, ma_dr_mp3_tell_proc onTell, ma_dr_mp3_meta_proc onMeta, void* pUserData, void* pUserDataMeta, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_mp3dec_frame_info firstFrameInfo;
const ma_uint8* pFirstFrameData;
ma_uint32 firstFramePCMFrameCount;
ma_uint32 detectedMP3FrameCount = 0xFFFFFFFF;
MA_DR_MP3_ASSERT(pMP3 != NULL);
MA_DR_MP3_ASSERT(onRead != NULL);
ma_dr_mp3dec_init(&pMP3->decoder);
pMP3->onRead = onRead;
pMP3->onSeek = onSeek;
pMP3->onMeta = onMeta;
pMP3->pUserData = pUserData;
pMP3->pUserDataMeta = pUserDataMeta;
pMP3->allocationCallbacks = ma_dr_mp3_copy_allocation_callbacks_or_defaults(pAllocationCallbacks);
if (pMP3->allocationCallbacks.onFree == NULL || (pMP3->allocationCallbacks.onMalloc == NULL && pMP3->allocationCallbacks.onRealloc == NULL)) {
return MA_FALSE;
}
pMP3->streamCursor = 0;
pMP3->streamLength = MA_UINT64_MAX;
pMP3->streamStartOffset = 0;
pMP3->delayInPCMFrames = 0;
pMP3->paddingInPCMFrames = 0;
pMP3->totalPCMFrameCount = MA_UINT64_MAX;
#if 1
if (onSeek != NULL && onTell != NULL) {
if (onSeek(pUserData, 0, MA_DR_MP3_SEEK_END)) {
ma_int64 streamLen;
int streamEndOffset = 0;
if (onTell(pUserData, &streamLen)) {
if (streamLen > 128) {
char id3[3];
if (onSeek(pUserData, streamEndOffset - 128, MA_DR_MP3_SEEK_END)) {
if (onRead(pUserData, id3, 3) == 3 && id3[0] == 'T' && id3[1] == 'A' && id3[2] == 'G') {
streamEndOffset -= 128;
streamLen -= 128;
if (onMeta != NULL) {
ma_uint8 tag[128];
tag[0] = 'T'; tag[1] = 'A'; tag[2] = 'G';
if (onRead(pUserData, tag + 3, 125) == 125) {
ma_dr_mp3__on_meta(pMP3, MA_DR_MP3_METADATA_TYPE_ID3V1, tag, 128);
}
}
} else {
}
} else {
}
} else {
}
if (streamLen > 32) {
char ape[32];
if (onSeek(pUserData, streamEndOffset - 32, MA_DR_MP3_SEEK_END)) {
if (onRead(pUserData, ape, 32) == 32 && ape[0] == 'A' && ape[1] == 'P' && ape[2] == 'E' && ape[3] == 'T' && ape[4] == 'A' && ape[5] == 'G' && ape[6] == 'E' && ape[7] == 'X') {
ma_uint32 tagSize =
((ma_uint32)ape[24] << 0) |
((ma_uint32)ape[25] << 8) |
((ma_uint32)ape[26] << 16) |
((ma_uint32)ape[27] << 24);
if (32 + tagSize < streamLen) {
streamEndOffset -= 32 + tagSize;
streamLen -= 32 + tagSize;
if (onMeta != NULL) {
if (onSeek(pUserData, streamEndOffset, MA_DR_MP3_SEEK_END)) {
size_t apeTagSize = (size_t)tagSize + 32;
ma_uint8* pTagData = (ma_uint8*)ma_dr_mp3_malloc(apeTagSize, pAllocationCallbacks);
if (pTagData != NULL) {
if (onRead(pUserData, pTagData, apeTagSize) == apeTagSize) {
ma_dr_mp3__on_meta(pMP3, MA_DR_MP3_METADATA_TYPE_APE, pTagData, apeTagSize);
}
ma_dr_mp3_free(pTagData, pAllocationCallbacks);
}
}
}
} else {
}
}
}
} else {
}
if (!onSeek(pUserData, 0, MA_DR_MP3_SEEK_SET)) {
return MA_FALSE;
}
pMP3->streamLength = (ma_uint64)streamLen;
if (pMP3->memory.pData != NULL) {
pMP3->memory.dataSize = (size_t)pMP3->streamLength;
}
} else {
if (!onSeek(pUserData, 0, MA_DR_MP3_SEEK_SET)) {
return MA_FALSE;
}
}
} else {
}
} else {
}
#endif
#if 1
{
char header[10];
if (onRead(pUserData, header, 10) == 10) {
if (header[0] == 'I' && header[1] == 'D' && header[2] == '3') {
ma_uint32 tagSize =
(((ma_uint32)header[6] & 0x7F) << 21) |
(((ma_uint32)header[7] & 0x7F) << 14) |
(((ma_uint32)header[8] & 0x7F) << 7) |
(((ma_uint32)header[9] & 0x7F) << 0);
if (header[5] & 0x10) {
tagSize += 10;
}
if (onMeta != NULL) {
size_t tagSizeWithHeader = 10 + tagSize;
ma_uint8* pTagData = (ma_uint8*)ma_dr_mp3_malloc(tagSizeWithHeader, pAllocationCallbacks);
if (pTagData != NULL) {
MA_DR_MP3_COPY_MEMORY(pTagData, header, 10);
if (onRead(pUserData, pTagData + 10, tagSize) == tagSize) {
ma_dr_mp3__on_meta(pMP3, MA_DR_MP3_METADATA_TYPE_ID3V2, pTagData, tagSizeWithHeader);
}
ma_dr_mp3_free(pTagData, pAllocationCallbacks);
}
} else {
if (onSeek != NULL) {
if (!onSeek(pUserData, tagSize, MA_DR_MP3_SEEK_CUR)) {
return MA_FALSE;
}
} else {
char discard[1024];
while (tagSize > 0) {
size_t bytesToRead = tagSize;
if (bytesToRead > sizeof(discard)) {
bytesToRead = sizeof(discard);
}
if (onRead(pUserData, discard, bytesToRead) != bytesToRead) {
return MA_FALSE;
}
tagSize -= (ma_uint32)bytesToRead;
}
}
}
pMP3->streamStartOffset += 10 + tagSize;
pMP3->streamCursor = pMP3->streamStartOffset;
} else {
if (onSeek != NULL) {
if (!onSeek(pUserData, 0, MA_DR_MP3_SEEK_SET)) {
return MA_FALSE;
}
} else {
}
}
} else {
return MA_FALSE;
}
}
#endif
firstFramePCMFrameCount = ma_dr_mp3_decode_next_frame_ex(pMP3, (ma_dr_mp3d_sample_t*)pMP3->pcmFrames, &firstFrameInfo, &pFirstFrameData);
if (firstFramePCMFrameCount > 0) {
MA_DR_MP3_ASSERT(pFirstFrameData != NULL);
#if 1
MA_DR_MP3_ASSERT(firstFrameInfo.frame_bytes > 0);
{
ma_dr_mp3_bs bs;
ma_dr_mp3_L3_gr_info grInfo[4];
ma_dr_mp3_bs_init(&bs, pFirstFrameData + MA_DR_MP3_HDR_SIZE, firstFrameInfo.frame_bytes - MA_DR_MP3_HDR_SIZE);
if (MA_DR_MP3_HDR_IS_CRC(pFirstFrameData)) {
ma_dr_mp3_bs_get_bits(&bs, 16);
}
if (ma_dr_mp3_L3_read_side_info(&bs, grInfo, pFirstFrameData) >= 0) {
ma_bool32 isXing = MA_FALSE;
ma_bool32 isInfo = MA_FALSE;
const ma_uint8* pTagData;
const ma_uint8* pTagDataBeg;
pTagDataBeg = pFirstFrameData + MA_DR_MP3_HDR_SIZE + (bs.pos/8);
pTagData = pTagDataBeg;
isXing = (pTagData[0] == 'X' && pTagData[1] == 'i' && pTagData[2] == 'n' && pTagData[3] == 'g');
isInfo = (pTagData[0] == 'I' && pTagData[1] == 'n' && pTagData[2] == 'f' && pTagData[3] == 'o');
if (isXing || isInfo) {
ma_uint32 bytes = 0;
ma_uint32 flags = pTagData[7];
pTagData += 8;
if (flags & 0x01) {
detectedMP3FrameCount = (ma_uint32)pTagData[0] << 24 | (ma_uint32)pTagData[1] << 16 | (ma_uint32)pTagData[2] << 8 | (ma_uint32)pTagData[3];
pTagData += 4;
}
if (flags & 0x02) {
bytes = (ma_uint32)pTagData[0] << 24 | (ma_uint32)pTagData[1] << 16 | (ma_uint32)pTagData[2] << 8 | (ma_uint32)pTagData[3];
(void)bytes;
pTagData += 4;
}
if (flags & 0x04) {
pTagData += 100;
}
if (flags & 0x08) {
pTagData += 4;
}
if (pTagData[0]) {
pTagData += 21;
if (pTagData - pFirstFrameData + 14 < firstFrameInfo.frame_bytes) {
int delayInPCMFrames;
int paddingInPCMFrames;
delayInPCMFrames = (( (ma_uint32)pTagData[0] << 4) | ((ma_uint32)pTagData[1] >> 4)) + (528 + 1);
paddingInPCMFrames = ((((ma_uint32)pTagData[1] & 0xF) << 8) | ((ma_uint32)pTagData[2] )) - (528 + 1);
if (paddingInPCMFrames < 0) {
paddingInPCMFrames = 0;
}
pMP3->delayInPCMFrames = (ma_uint32)delayInPCMFrames;
pMP3->paddingInPCMFrames = (ma_uint32)paddingInPCMFrames;
}
}
if (isXing) {
pMP3->isVBR = MA_TRUE;
} else if (isInfo) {
pMP3->isCBR = MA_TRUE;
}
if (onMeta != NULL) {
ma_dr_mp3_metadata_type metadataType = isXing ? MA_DR_MP3_METADATA_TYPE_XING : MA_DR_MP3_METADATA_TYPE_VBRI;
size_t tagDataSize;
tagDataSize = (size_t)firstFrameInfo.frame_bytes;
tagDataSize -= (size_t)(pTagDataBeg - pFirstFrameData);
ma_dr_mp3__on_meta(pMP3, metadataType, pTagDataBeg, tagDataSize);
}
pMP3->pcmFramesRemainingInMP3Frame = 0;
pMP3->streamStartOffset += (ma_uint32)(firstFrameInfo.frame_bytes);
pMP3->streamCursor = pMP3->streamStartOffset;
ma_dr_mp3dec_init(&pMP3->decoder);
}
} else {
}
}
#endif
} else {
ma_dr_mp3__free_from_callbacks(pMP3->pData, &pMP3->allocationCallbacks);
return MA_FALSE;
}
if (detectedMP3FrameCount != 0xFFFFFFFF) {
pMP3->totalPCMFrameCount = detectedMP3FrameCount * firstFramePCMFrameCount;
}
pMP3->channels = pMP3->mp3FrameChannels;
pMP3->sampleRate = pMP3->mp3FrameSampleRate;
return MA_TRUE;
}
MA_API ma_bool32 ma_dr_mp3_init(ma_dr_mp3* pMP3, ma_dr_mp3_read_proc onRead, ma_dr_mp3_seek_proc onSeek, ma_dr_mp3_tell_proc onTell, ma_dr_mp3_meta_proc onMeta, void* pUserData, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pMP3 == NULL || onRead == NULL) {
return MA_FALSE;
}
MA_DR_MP3_ZERO_OBJECT(pMP3);
return ma_dr_mp3_init_internal(pMP3, onRead, onSeek, onTell, onMeta, pUserData, pUserData, pAllocationCallbacks);
}
static size_t ma_dr_mp3__on_read_memory(void* pUserData, void* pBufferOut, size_t bytesToRead)
{
ma_dr_mp3* pMP3 = (ma_dr_mp3*)pUserData;
size_t bytesRemaining;
MA_DR_MP3_ASSERT(pMP3 != NULL);
MA_DR_MP3_ASSERT(pMP3->memory.dataSize >= pMP3->memory.currentReadPos);
bytesRemaining = pMP3->memory.dataSize - pMP3->memory.currentReadPos;
if (bytesToRead > bytesRemaining) {
bytesToRead = bytesRemaining;
}
if (bytesToRead > 0) {
MA_DR_MP3_COPY_MEMORY(pBufferOut, pMP3->memory.pData + pMP3->memory.currentReadPos, bytesToRead);
pMP3->memory.currentReadPos += bytesToRead;
}
return bytesToRead;
}
static ma_bool32 ma_dr_mp3__on_seek_memory(void* pUserData, int byteOffset, ma_dr_mp3_seek_origin origin)
{
ma_dr_mp3* pMP3 = (ma_dr_mp3*)pUserData;
ma_int64 newCursor;
MA_DR_MP3_ASSERT(pMP3 != NULL);
if (origin == MA_DR_MP3_SEEK_SET) {
newCursor = 0;
} else if (origin == MA_DR_MP3_SEEK_CUR) {
newCursor = (ma_int64)pMP3->memory.currentReadPos;
} else if (origin == MA_DR_MP3_SEEK_END) {
newCursor = (ma_int64)pMP3->memory.dataSize;
} else {
MA_DR_MP3_ASSERT(!"Invalid seek origin");
return MA_FALSE;
}
newCursor += byteOffset;
if (newCursor < 0) {
return MA_FALSE;
}
if ((size_t)newCursor > pMP3->memory.dataSize) {
return MA_FALSE;
}
pMP3->memory.currentReadPos = (size_t)newCursor;
return MA_TRUE;
}
static ma_bool32 ma_dr_mp3__on_tell_memory(void* pUserData, ma_int64* pCursor)
{
ma_dr_mp3* pMP3 = (ma_dr_mp3*)pUserData;
MA_DR_MP3_ASSERT(pMP3 != NULL);
MA_DR_MP3_ASSERT(pCursor != NULL);
*pCursor = (ma_int64)pMP3->memory.currentReadPos;
return MA_TRUE;
}
MA_API ma_bool32 ma_dr_mp3_init_memory_with_metadata(ma_dr_mp3* pMP3, const void* pData, size_t dataSize, ma_dr_mp3_meta_proc onMeta, void* pUserDataMeta, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_bool32 result;
if (pMP3 == NULL) {
return MA_FALSE;
}
MA_DR_MP3_ZERO_OBJECT(pMP3);
if (pData == NULL || dataSize == 0) {
return MA_FALSE;
}
pMP3->memory.pData = (const ma_uint8*)pData;
pMP3->memory.dataSize = dataSize;
pMP3->memory.currentReadPos = 0;
result = ma_dr_mp3_init_internal(pMP3, ma_dr_mp3__on_read_memory, ma_dr_mp3__on_seek_memory, ma_dr_mp3__on_tell_memory, onMeta, pMP3, pUserDataMeta, pAllocationCallbacks);
if (result == MA_FALSE) {
return MA_FALSE;
}
if (pMP3->streamLength <= (ma_uint64)MA_SIZE_MAX) {
pMP3->memory.dataSize = (size_t)pMP3->streamLength;
}
if (pMP3->streamStartOffset > (ma_uint64)MA_SIZE_MAX) {
return MA_FALSE;
}
return MA_TRUE;
}
MA_API ma_bool32 ma_dr_mp3_init_memory(ma_dr_mp3* pMP3, const void* pData, size_t dataSize, const ma_allocation_callbacks* pAllocationCallbacks)
{
return ma_dr_mp3_init_memory_with_metadata(pMP3, pData, dataSize, NULL, NULL, pAllocationCallbacks);
}
#ifndef MA_DR_MP3_NO_STDIO
#include <stdio.h>
#include <wchar.h>
static size_t ma_dr_mp3__on_read_stdio(void* pUserData, void* pBufferOut, size_t bytesToRead)
{
return fread(pBufferOut, 1, bytesToRead, (FILE*)pUserData);
}
static ma_bool32 ma_dr_mp3__on_seek_stdio(void* pUserData, int offset, ma_dr_mp3_seek_origin origin)
{
int whence = SEEK_SET;
if (origin == MA_DR_MP3_SEEK_CUR) {
whence = SEEK_CUR;
} else if (origin == MA_DR_MP3_SEEK_END) {
whence = SEEK_END;
}
return fseek((FILE*)pUserData, offset, whence) == 0;
}
static ma_bool32 ma_dr_mp3__on_tell_stdio(void* pUserData, ma_int64* pCursor)
{
FILE* pFileStdio = (FILE*)pUserData;
ma_int64 result;
MA_DR_MP3_ASSERT(pFileStdio != NULL);
MA_DR_MP3_ASSERT(pCursor != NULL);
#if defined(_WIN32) && !defined(NXDK)
#if defined(_MSC_VER) && _MSC_VER > 1200
result = _ftelli64(pFileStdio);
#else
result = ftell(pFileStdio);
#endif
#else
result = ftell(pFileStdio);
#endif
*pCursor = result;
return MA_TRUE;
}
MA_API ma_bool32 ma_dr_mp3_init_file_with_metadata(ma_dr_mp3* pMP3, const char* pFilePath, ma_dr_mp3_meta_proc onMeta, void* pUserDataMeta, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_bool32 result;
FILE* pFile;
if (pMP3 == NULL) {
return MA_FALSE;
}
MA_DR_MP3_ZERO_OBJECT(pMP3);
if (ma_fopen(&pFile, pFilePath, "rb") != MA_SUCCESS) {
return MA_FALSE;
}
result = ma_dr_mp3_init_internal(pMP3, ma_dr_mp3__on_read_stdio, ma_dr_mp3__on_seek_stdio, ma_dr_mp3__on_tell_stdio, onMeta, (void*)pFile, pUserDataMeta, pAllocationCallbacks);
if (result != MA_TRUE) {
fclose(pFile);
return result;
}
return MA_TRUE;
}
MA_API ma_bool32 ma_dr_mp3_init_file_with_metadata_w(ma_dr_mp3* pMP3, const wchar_t* pFilePath, ma_dr_mp3_meta_proc onMeta, void* pUserDataMeta, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_bool32 result;
FILE* pFile;
if (pMP3 == NULL) {
return MA_FALSE;
}
MA_DR_MP3_ZERO_OBJECT(pMP3);
if (ma_wfopen(&pFile, pFilePath, L"rb", pAllocationCallbacks) != MA_SUCCESS) {
return MA_FALSE;
}
result = ma_dr_mp3_init_internal(pMP3, ma_dr_mp3__on_read_stdio, ma_dr_mp3__on_seek_stdio, ma_dr_mp3__on_tell_stdio, onMeta, (void*)pFile, pUserDataMeta, pAllocationCallbacks);
if (result != MA_TRUE) {
fclose(pFile);
return result;
}
return MA_TRUE;
}
MA_API ma_bool32 ma_dr_mp3_init_file(ma_dr_mp3* pMP3, const char* pFilePath, const ma_allocation_callbacks* pAllocationCallbacks)
{
return ma_dr_mp3_init_file_with_metadata(pMP3, pFilePath, NULL, NULL, pAllocationCallbacks);
}
MA_API ma_bool32 ma_dr_mp3_init_file_w(ma_dr_mp3* pMP3, const wchar_t* pFilePath, const ma_allocation_callbacks* pAllocationCallbacks)
{
return ma_dr_mp3_init_file_with_metadata_w(pMP3, pFilePath, NULL, NULL, pAllocationCallbacks);
}
#endif
MA_API void ma_dr_mp3_uninit(ma_dr_mp3* pMP3)
{
if (pMP3 == NULL) {
return;
}
#ifndef MA_DR_MP3_NO_STDIO
if (pMP3->onRead == ma_dr_mp3__on_read_stdio) {
FILE* pFile = (FILE*)pMP3->pUserData;
if (pFile != NULL) {
fclose(pFile);
pMP3->pUserData = NULL;
}
}
#endif
ma_dr_mp3__free_from_callbacks(pMP3->pData, &pMP3->allocationCallbacks);
}
#if defined(MA_DR_MP3_FLOAT_OUTPUT)
static void ma_dr_mp3_f32_to_s16(ma_int16* dst, const float* src, ma_uint64 sampleCount)
{
ma_uint64 i;
ma_uint64 i4;
ma_uint64 sampleCount4;
i = 0;
sampleCount4 = sampleCount >> 2;
for (i4 = 0; i4 < sampleCount4; i4 += 1) {
float x0 = src[i+0];
float x1 = src[i+1];
float x2 = src[i+2];
float x3 = src[i+3];
x0 = ((x0 < -1) ? -1 : ((x0 > 1) ? 1 : x0));
x1 = ((x1 < -1) ? -1 : ((x1 > 1) ? 1 : x1));
x2 = ((x2 < -1) ? -1 : ((x2 > 1) ? 1 : x2));
x3 = ((x3 < -1) ? -1 : ((x3 > 1) ? 1 : x3));
x0 = x0 * 32767.0f;
x1 = x1 * 32767.0f;
x2 = x2 * 32767.0f;
x3 = x3 * 32767.0f;
dst[i+0] = (ma_int16)x0;
dst[i+1] = (ma_int16)x1;
dst[i+2] = (ma_int16)x2;
dst[i+3] = (ma_int16)x3;
i += 4;
}
for (; i < sampleCount; i += 1) {
float x = src[i];
x = ((x < -1) ? -1 : ((x > 1) ? 1 : x));
x = x * 32767.0f;
dst[i] = (ma_int16)x;
}
}
#endif
#if !defined(MA_DR_MP3_FLOAT_OUTPUT)
static void ma_dr_mp3_s16_to_f32(float* dst, const ma_int16* src, ma_uint64 sampleCount)
{
ma_uint64 i;
for (i = 0; i < sampleCount; i += 1) {
float x = (float)src[i];
x = x * 0.000030517578125f;
dst[i] = x;
}
}
#endif
static ma_uint64 ma_dr_mp3_read_pcm_frames_raw(ma_dr_mp3* pMP3, ma_uint64 framesToRead, void* pBufferOut)
{
ma_uint64 totalFramesRead = 0;
MA_DR_MP3_ASSERT(pMP3 != NULL);
MA_DR_MP3_ASSERT(pMP3->onRead != NULL);
while (framesToRead > 0) {
ma_uint32 framesToConsume;
if (pMP3->currentPCMFrame < pMP3->delayInPCMFrames) {
ma_uint32 framesToSkip = (ma_uint32)MA_DR_MP3_MIN(pMP3->pcmFramesRemainingInMP3Frame, pMP3->delayInPCMFrames - pMP3->currentPCMFrame);
pMP3->currentPCMFrame += framesToSkip;
pMP3->pcmFramesConsumedInMP3Frame += framesToSkip;
pMP3->pcmFramesRemainingInMP3Frame -= framesToSkip;
}
framesToConsume = (ma_uint32)MA_DR_MP3_MIN(pMP3->pcmFramesRemainingInMP3Frame, framesToRead);
if (pMP3->totalPCMFrameCount != MA_UINT64_MAX && pMP3->totalPCMFrameCount > pMP3->paddingInPCMFrames) {
if (pMP3->currentPCMFrame < (pMP3->totalPCMFrameCount - pMP3->paddingInPCMFrames)) {
ma_uint64 framesRemainigToPadding = (pMP3->totalPCMFrameCount - pMP3->paddingInPCMFrames) - pMP3->currentPCMFrame;
if (framesToConsume > framesRemainigToPadding) {
framesToConsume = (ma_uint32)framesRemainigToPadding;
}
} else {
break;
}
}
if (pBufferOut != NULL) {
#if defined(MA_DR_MP3_FLOAT_OUTPUT)
{
float* pFramesOutF32 = (float*)MA_DR_MP3_OFFSET_PTR(pBufferOut, sizeof(float) * totalFramesRead * pMP3->channels);
float* pFramesInF32 = (float*)MA_DR_MP3_OFFSET_PTR(&pMP3->pcmFrames[0], sizeof(float) * pMP3->pcmFramesConsumedInMP3Frame * pMP3->mp3FrameChannels);
MA_DR_MP3_COPY_MEMORY(pFramesOutF32, pFramesInF32, sizeof(float) * framesToConsume * pMP3->channels);
}
#else
{
ma_int16* pFramesOutS16 = (ma_int16*)MA_DR_MP3_OFFSET_PTR(pBufferOut, sizeof(ma_int16) * totalFramesRead * pMP3->channels);
ma_int16* pFramesInS16 = (ma_int16*)MA_DR_MP3_OFFSET_PTR(&pMP3->pcmFrames[0], sizeof(ma_int16) * pMP3->pcmFramesConsumedInMP3Frame * pMP3->mp3FrameChannels);
MA_DR_MP3_COPY_MEMORY(pFramesOutS16, pFramesInS16, sizeof(ma_int16) * framesToConsume * pMP3->channels);
}
#endif
}
pMP3->currentPCMFrame += framesToConsume;
pMP3->pcmFramesConsumedInMP3Frame += framesToConsume;
pMP3->pcmFramesRemainingInMP3Frame -= framesToConsume;
totalFramesRead += framesToConsume;
framesToRead -= framesToConsume;
if (framesToRead == 0) {
break;
}
if (pMP3->totalPCMFrameCount != MA_UINT64_MAX && pMP3->totalPCMFrameCount > pMP3->paddingInPCMFrames && pMP3->currentPCMFrame >= (pMP3->totalPCMFrameCount - pMP3->paddingInPCMFrames)) {
break;
}
MA_DR_MP3_ASSERT(pMP3->pcmFramesRemainingInMP3Frame == 0);
if (ma_dr_mp3_decode_next_frame(pMP3) == 0) {
break;
}
}
return totalFramesRead;
}
MA_API ma_uint64 ma_dr_mp3_read_pcm_frames_f32(ma_dr_mp3* pMP3, ma_uint64 framesToRead, float* pBufferOut)
{
if (pMP3 == NULL || pMP3->onRead == NULL) {
return 0;
}
#if defined(MA_DR_MP3_FLOAT_OUTPUT)
return ma_dr_mp3_read_pcm_frames_raw(pMP3, framesToRead, pBufferOut);
#else
{
ma_int16 pTempS16[8192];
ma_uint64 totalPCMFramesRead = 0;
while (totalPCMFramesRead < framesToRead) {
ma_uint64 framesJustRead;
ma_uint64 framesRemaining = framesToRead - totalPCMFramesRead;
ma_uint64 framesToReadNow = MA_DR_MP3_COUNTOF(pTempS16) / pMP3->channels;
if (framesToReadNow > framesRemaining) {
framesToReadNow = framesRemaining;
}
framesJustRead = ma_dr_mp3_read_pcm_frames_raw(pMP3, framesToReadNow, pTempS16);
if (framesJustRead == 0) {
break;
}
ma_dr_mp3_s16_to_f32((float*)MA_DR_MP3_OFFSET_PTR(pBufferOut, sizeof(float) * totalPCMFramesRead * pMP3->channels), pTempS16, framesJustRead * pMP3->channels);
totalPCMFramesRead += framesJustRead;
}
return totalPCMFramesRead;
}
#endif
}
MA_API ma_uint64 ma_dr_mp3_read_pcm_frames_s16(ma_dr_mp3* pMP3, ma_uint64 framesToRead, ma_int16* pBufferOut)
{
if (pMP3 == NULL || pMP3->onRead == NULL) {
return 0;
}
#if !defined(MA_DR_MP3_FLOAT_OUTPUT)
return ma_dr_mp3_read_pcm_frames_raw(pMP3, framesToRead, pBufferOut);
#else
{
float pTempF32[4096];
ma_uint64 totalPCMFramesRead = 0;
while (totalPCMFramesRead < framesToRead) {
ma_uint64 framesJustRead;
ma_uint64 framesRemaining = framesToRead - totalPCMFramesRead;
ma_uint64 framesToReadNow = MA_DR_MP3_COUNTOF(pTempF32) / pMP3->channels;
if (framesToReadNow > framesRemaining) {
framesToReadNow = framesRemaining;
}
framesJustRead = ma_dr_mp3_read_pcm_frames_raw(pMP3, framesToReadNow, pTempF32);
if (framesJustRead == 0) {
break;
}
ma_dr_mp3_f32_to_s16((ma_int16*)MA_DR_MP3_OFFSET_PTR(pBufferOut, sizeof(ma_int16) * totalPCMFramesRead * pMP3->channels), pTempF32, framesJustRead * pMP3->channels);
totalPCMFramesRead += framesJustRead;
}
return totalPCMFramesRead;
}
#endif
}
static void ma_dr_mp3_reset(ma_dr_mp3* pMP3)
{
MA_DR_MP3_ASSERT(pMP3 != NULL);
pMP3->pcmFramesConsumedInMP3Frame = 0;
pMP3->pcmFramesRemainingInMP3Frame = 0;
pMP3->currentPCMFrame = 0;
pMP3->dataSize = 0;
pMP3->atEnd = MA_FALSE;
ma_dr_mp3dec_init(&pMP3->decoder);
}
static ma_bool32 ma_dr_mp3_seek_to_start_of_stream(ma_dr_mp3* pMP3)
{
MA_DR_MP3_ASSERT(pMP3 != NULL);
MA_DR_MP3_ASSERT(pMP3->onSeek != NULL);
if (!ma_dr_mp3__on_seek_64(pMP3, pMP3->streamStartOffset, MA_DR_MP3_SEEK_SET)) {
return MA_FALSE;
}
ma_dr_mp3_reset(pMP3);
return MA_TRUE;
}
static ma_bool32 ma_dr_mp3_seek_forward_by_pcm_frames__brute_force(ma_dr_mp3* pMP3, ma_uint64 frameOffset)
{
ma_uint64 framesRead;
#if defined(MA_DR_MP3_FLOAT_OUTPUT)
framesRead = ma_dr_mp3_read_pcm_frames_f32(pMP3, frameOffset, NULL);
#else
framesRead = ma_dr_mp3_read_pcm_frames_s16(pMP3, frameOffset, NULL);
#endif
if (framesRead != frameOffset) {
return MA_FALSE;
}
return MA_TRUE;
}
static ma_bool32 ma_dr_mp3_seek_to_pcm_frame__brute_force(ma_dr_mp3* pMP3, ma_uint64 frameIndex)
{
MA_DR_MP3_ASSERT(pMP3 != NULL);
if (frameIndex == pMP3->currentPCMFrame) {
return MA_TRUE;
}
if (frameIndex < pMP3->currentPCMFrame) {
if (!ma_dr_mp3_seek_to_start_of_stream(pMP3)) {
return MA_FALSE;
}
}
MA_DR_MP3_ASSERT(frameIndex >= pMP3->currentPCMFrame);
return ma_dr_mp3_seek_forward_by_pcm_frames__brute_force(pMP3, (frameIndex - pMP3->currentPCMFrame));
}
static ma_bool32 ma_dr_mp3_find_closest_seek_point(ma_dr_mp3* pMP3, ma_uint64 frameIndex, ma_uint32* pSeekPointIndex)
{
ma_uint32 iSeekPoint;
MA_DR_MP3_ASSERT(pSeekPointIndex != NULL);
*pSeekPointIndex = 0;
if (frameIndex < pMP3->pSeekPoints[0].pcmFrameIndex) {
return MA_FALSE;
}
for (iSeekPoint = 0; iSeekPoint < pMP3->seekPointCount; ++iSeekPoint) {
if (pMP3->pSeekPoints[iSeekPoint].pcmFrameIndex > frameIndex) {
break;
}
*pSeekPointIndex = iSeekPoint;
}
return MA_TRUE;
}
static ma_bool32 ma_dr_mp3_seek_to_pcm_frame__seek_table(ma_dr_mp3* pMP3, ma_uint64 frameIndex)
{
ma_dr_mp3_seek_point seekPoint;
ma_uint32 priorSeekPointIndex;
ma_uint16 iMP3Frame;
ma_uint64 leftoverFrames;
MA_DR_MP3_ASSERT(pMP3 != NULL);
MA_DR_MP3_ASSERT(pMP3->pSeekPoints != NULL);
MA_DR_MP3_ASSERT(pMP3->seekPointCount > 0);
if (ma_dr_mp3_find_closest_seek_point(pMP3, frameIndex, &priorSeekPointIndex)) {
seekPoint = pMP3->pSeekPoints[priorSeekPointIndex];
} else {
seekPoint.seekPosInBytes = 0;
seekPoint.pcmFrameIndex = 0;
seekPoint.mp3FramesToDiscard = 0;
seekPoint.pcmFramesToDiscard = 0;
}
if (!ma_dr_mp3__on_seek_64(pMP3, seekPoint.seekPosInBytes, MA_DR_MP3_SEEK_SET)) {
return MA_FALSE;
}
ma_dr_mp3_reset(pMP3);
for (iMP3Frame = 0; iMP3Frame < seekPoint.mp3FramesToDiscard; ++iMP3Frame) {
ma_uint32 pcmFramesRead;
ma_dr_mp3d_sample_t* pPCMFrames;
pPCMFrames = NULL;
if (iMP3Frame == seekPoint.mp3FramesToDiscard-1) {
pPCMFrames = (ma_dr_mp3d_sample_t*)pMP3->pcmFrames;
}
pcmFramesRead = ma_dr_mp3_decode_next_frame_ex(pMP3, pPCMFrames, NULL, NULL);
if (pcmFramesRead == 0) {
return MA_FALSE;
}
}
pMP3->currentPCMFrame = seekPoint.pcmFrameIndex - seekPoint.pcmFramesToDiscard;
leftoverFrames = frameIndex - pMP3->currentPCMFrame;
return ma_dr_mp3_seek_forward_by_pcm_frames__brute_force(pMP3, leftoverFrames);
}
MA_API ma_bool32 ma_dr_mp3_seek_to_pcm_frame(ma_dr_mp3* pMP3, ma_uint64 frameIndex)
{
if (pMP3 == NULL || pMP3->onSeek == NULL) {
return MA_FALSE;
}
if (frameIndex == 0) {
return ma_dr_mp3_seek_to_start_of_stream(pMP3);
}
if (pMP3->pSeekPoints != NULL && pMP3->seekPointCount > 0) {
return ma_dr_mp3_seek_to_pcm_frame__seek_table(pMP3, frameIndex);
} else {
return ma_dr_mp3_seek_to_pcm_frame__brute_force(pMP3, frameIndex);
}
}
MA_API ma_bool32 ma_dr_mp3_get_mp3_and_pcm_frame_count(ma_dr_mp3* pMP3, ma_uint64* pMP3FrameCount, ma_uint64* pPCMFrameCount)
{
ma_uint64 currentPCMFrame;
ma_uint64 totalPCMFrameCount;
ma_uint64 totalMP3FrameCount;
if (pMP3 == NULL) {
return MA_FALSE;
}
if (pMP3->onSeek == NULL) {
return MA_FALSE;
}
currentPCMFrame = pMP3->currentPCMFrame;
if (!ma_dr_mp3_seek_to_start_of_stream(pMP3)) {
return MA_FALSE;
}
totalPCMFrameCount = 0;
totalMP3FrameCount = 0;
for (;;) {
ma_uint32 pcmFramesInCurrentMP3Frame;
pcmFramesInCurrentMP3Frame = ma_dr_mp3_decode_next_frame_ex(pMP3, NULL, NULL, NULL);
if (pcmFramesInCurrentMP3Frame == 0) {
break;
}
totalPCMFrameCount += pcmFramesInCurrentMP3Frame;
totalMP3FrameCount += 1;
}
if (!ma_dr_mp3_seek_to_start_of_stream(pMP3)) {
return MA_FALSE;
}
if (!ma_dr_mp3_seek_to_pcm_frame(pMP3, currentPCMFrame)) {
return MA_FALSE;
}
if (pMP3FrameCount != NULL) {
*pMP3FrameCount = totalMP3FrameCount;
}
if (pPCMFrameCount != NULL) {
*pPCMFrameCount = totalPCMFrameCount;
}
return MA_TRUE;
}
MA_API ma_uint64 ma_dr_mp3_get_pcm_frame_count(ma_dr_mp3* pMP3)
{
ma_uint64 totalPCMFrameCount;
if (pMP3 == NULL) {
return 0;
}
if (pMP3->totalPCMFrameCount != MA_UINT64_MAX) {
totalPCMFrameCount = pMP3->totalPCMFrameCount;
if (totalPCMFrameCount >= pMP3->delayInPCMFrames) {
totalPCMFrameCount -= pMP3->delayInPCMFrames;
} else {
}
if (totalPCMFrameCount >= pMP3->paddingInPCMFrames) {
totalPCMFrameCount -= pMP3->paddingInPCMFrames;
} else {
}
return totalPCMFrameCount;
} else {
if (!ma_dr_mp3_get_mp3_and_pcm_frame_count(pMP3, NULL, &totalPCMFrameCount)) {
return 0;
}
return totalPCMFrameCount;
}
}
MA_API ma_uint64 ma_dr_mp3_get_mp3_frame_count(ma_dr_mp3* pMP3)
{
ma_uint64 totalMP3FrameCount;
if (!ma_dr_mp3_get_mp3_and_pcm_frame_count(pMP3, &totalMP3FrameCount, NULL)) {
return 0;
}
return totalMP3FrameCount;
}
static void ma_dr_mp3__accumulate_running_pcm_frame_count(ma_dr_mp3* pMP3, ma_uint32 pcmFrameCountIn, ma_uint64* pRunningPCMFrameCount, float* pRunningPCMFrameCountFractionalPart)
{
float srcRatio;
float pcmFrameCountOutF;
ma_uint32 pcmFrameCountOut;
srcRatio = (float)pMP3->mp3FrameSampleRate / (float)pMP3->sampleRate;
MA_DR_MP3_ASSERT(srcRatio > 0);
pcmFrameCountOutF = *pRunningPCMFrameCountFractionalPart + (pcmFrameCountIn / srcRatio);
pcmFrameCountOut = (ma_uint32)pcmFrameCountOutF;
*pRunningPCMFrameCountFractionalPart = pcmFrameCountOutF - pcmFrameCountOut;
*pRunningPCMFrameCount += pcmFrameCountOut;
}
typedef struct
{
ma_uint64 bytePos;
ma_uint64 pcmFrameIndex;
} ma_dr_mp3__seeking_mp3_frame_info;
MA_API ma_bool32 ma_dr_mp3_calculate_seek_points(ma_dr_mp3* pMP3, ma_uint32* pSeekPointCount, ma_dr_mp3_seek_point* pSeekPoints)
{
ma_uint32 seekPointCount;
ma_uint64 currentPCMFrame;
ma_uint64 totalMP3FrameCount;
ma_uint64 totalPCMFrameCount;
if (pMP3 == NULL || pSeekPointCount == NULL || pSeekPoints == NULL) {
return MA_FALSE;
}
seekPointCount = *pSeekPointCount;
if (seekPointCount == 0) {
return MA_FALSE;
}
currentPCMFrame = pMP3->currentPCMFrame;
if (!ma_dr_mp3_get_mp3_and_pcm_frame_count(pMP3, &totalMP3FrameCount, &totalPCMFrameCount)) {
return MA_FALSE;
}
if (totalMP3FrameCount < MA_DR_MP3_SEEK_LEADING_MP3_FRAMES+1) {
seekPointCount = 1;
pSeekPoints[0].seekPosInBytes = 0;
pSeekPoints[0].pcmFrameIndex = 0;
pSeekPoints[0].mp3FramesToDiscard = 0;
pSeekPoints[0].pcmFramesToDiscard = 0;
} else {
ma_uint64 pcmFramesBetweenSeekPoints;
ma_dr_mp3__seeking_mp3_frame_info mp3FrameInfo[MA_DR_MP3_SEEK_LEADING_MP3_FRAMES+1];
ma_uint64 runningPCMFrameCount = 0;
float runningPCMFrameCountFractionalPart = 0;
ma_uint64 nextTargetPCMFrame;
ma_uint32 iMP3Frame;
ma_uint32 iSeekPoint;
if (seekPointCount > totalMP3FrameCount-1) {
seekPointCount = (ma_uint32)totalMP3FrameCount-1;
}
pcmFramesBetweenSeekPoints = totalPCMFrameCount / (seekPointCount+1);
if (!ma_dr_mp3_seek_to_start_of_stream(pMP3)) {
return MA_FALSE;
}
for (iMP3Frame = 0; iMP3Frame < MA_DR_MP3_SEEK_LEADING_MP3_FRAMES+1; ++iMP3Frame) {
ma_uint32 pcmFramesInCurrentMP3FrameIn;
MA_DR_MP3_ASSERT(pMP3->streamCursor >= pMP3->dataSize);
mp3FrameInfo[iMP3Frame].bytePos = pMP3->streamCursor - pMP3->dataSize;
mp3FrameInfo[iMP3Frame].pcmFrameIndex = runningPCMFrameCount;
pcmFramesInCurrentMP3FrameIn = ma_dr_mp3_decode_next_frame_ex(pMP3, NULL, NULL, NULL);
if (pcmFramesInCurrentMP3FrameIn == 0) {
return MA_FALSE;
}
ma_dr_mp3__accumulate_running_pcm_frame_count(pMP3, pcmFramesInCurrentMP3FrameIn, &runningPCMFrameCount, &runningPCMFrameCountFractionalPart);
}
nextTargetPCMFrame = 0;
for (iSeekPoint = 0; iSeekPoint < seekPointCount; ++iSeekPoint) {
nextTargetPCMFrame += pcmFramesBetweenSeekPoints;
for (;;) {
if (nextTargetPCMFrame < runningPCMFrameCount) {
pSeekPoints[iSeekPoint].seekPosInBytes = mp3FrameInfo[0].bytePos;
pSeekPoints[iSeekPoint].pcmFrameIndex = nextTargetPCMFrame;
pSeekPoints[iSeekPoint].mp3FramesToDiscard = MA_DR_MP3_SEEK_LEADING_MP3_FRAMES;
pSeekPoints[iSeekPoint].pcmFramesToDiscard = (ma_uint16)(nextTargetPCMFrame - mp3FrameInfo[MA_DR_MP3_SEEK_LEADING_MP3_FRAMES-1].pcmFrameIndex);
break;
} else {
size_t i;
ma_uint32 pcmFramesInCurrentMP3FrameIn;
for (i = 0; i < MA_DR_MP3_COUNTOF(mp3FrameInfo)-1; ++i) {
mp3FrameInfo[i] = mp3FrameInfo[i+1];
}
mp3FrameInfo[MA_DR_MP3_COUNTOF(mp3FrameInfo)-1].bytePos = pMP3->streamCursor - pMP3->dataSize;
mp3FrameInfo[MA_DR_MP3_COUNTOF(mp3FrameInfo)-1].pcmFrameIndex = runningPCMFrameCount;
pcmFramesInCurrentMP3FrameIn = ma_dr_mp3_decode_next_frame_ex(pMP3, NULL, NULL, NULL);
if (pcmFramesInCurrentMP3FrameIn == 0) {
pSeekPoints[iSeekPoint].seekPosInBytes = mp3FrameInfo[0].bytePos;
pSeekPoints[iSeekPoint].pcmFrameIndex = nextTargetPCMFrame;
pSeekPoints[iSeekPoint].mp3FramesToDiscard = MA_DR_MP3_SEEK_LEADING_MP3_FRAMES;
pSeekPoints[iSeekPoint].pcmFramesToDiscard = (ma_uint16)(nextTargetPCMFrame - mp3FrameInfo[MA_DR_MP3_SEEK_LEADING_MP3_FRAMES-1].pcmFrameIndex);
break;
}
ma_dr_mp3__accumulate_running_pcm_frame_count(pMP3, pcmFramesInCurrentMP3FrameIn, &runningPCMFrameCount, &runningPCMFrameCountFractionalPart);
}
}
}
if (!ma_dr_mp3_seek_to_start_of_stream(pMP3)) {
return MA_FALSE;
}
if (!ma_dr_mp3_seek_to_pcm_frame(pMP3, currentPCMFrame)) {
return MA_FALSE;
}
}
*pSeekPointCount = seekPointCount;
return MA_TRUE;
}
MA_API ma_bool32 ma_dr_mp3_bind_seek_table(ma_dr_mp3* pMP3, ma_uint32 seekPointCount, ma_dr_mp3_seek_point* pSeekPoints)
{
if (pMP3 == NULL) {
return MA_FALSE;
}
if (seekPointCount == 0 || pSeekPoints == NULL) {
pMP3->seekPointCount = 0;
pMP3->pSeekPoints = NULL;
} else {
pMP3->seekPointCount = seekPointCount;
pMP3->pSeekPoints = pSeekPoints;
}
return MA_TRUE;
}
static float* ma_dr_mp3__full_read_and_close_f32(ma_dr_mp3* pMP3, ma_dr_mp3_config* pConfig, ma_uint64* pTotalFrameCount)
{
ma_uint64 totalFramesRead = 0;
ma_uint64 framesCapacity = 0;
float* pFrames = NULL;
float temp[4096];
MA_DR_MP3_ASSERT(pMP3 != NULL);
for (;;) {
ma_uint64 framesToReadRightNow = MA_DR_MP3_COUNTOF(temp) / pMP3->channels;
ma_uint64 framesJustRead = ma_dr_mp3_read_pcm_frames_f32(pMP3, framesToReadRightNow, temp);
if (framesJustRead == 0) {
break;
}
if (framesCapacity < totalFramesRead + framesJustRead) {
ma_uint64 oldFramesBufferSize;
ma_uint64 newFramesBufferSize;
ma_uint64 newFramesCap;
float* pNewFrames;
newFramesCap = framesCapacity * 2;
if (newFramesCap < totalFramesRead + framesJustRead) {
newFramesCap = totalFramesRead + framesJustRead;
}
oldFramesBufferSize = framesCapacity * pMP3->channels * sizeof(float);
newFramesBufferSize = newFramesCap * pMP3->channels * sizeof(float);
if (newFramesBufferSize > (ma_uint64)MA_SIZE_MAX) {
break;
}
pNewFrames = (float*)ma_dr_mp3__realloc_from_callbacks(pFrames, (size_t)newFramesBufferSize, (size_t)oldFramesBufferSize, &pMP3->allocationCallbacks);
if (pNewFrames == NULL) {
ma_dr_mp3__free_from_callbacks(pFrames, &pMP3->allocationCallbacks);
pFrames = NULL;
totalFramesRead = 0;
break;
}
pFrames = pNewFrames;
framesCapacity = newFramesCap;
}
MA_DR_MP3_COPY_MEMORY(pFrames + totalFramesRead*pMP3->channels, temp, (size_t)(framesJustRead*pMP3->channels*sizeof(float)));
totalFramesRead += framesJustRead;
if (framesJustRead != framesToReadRightNow) {
break;
}
}
if (pConfig != NULL) {
pConfig->channels = pMP3->channels;
pConfig->sampleRate = pMP3->sampleRate;
}
ma_dr_mp3_uninit(pMP3);
if (pTotalFrameCount) {
*pTotalFrameCount = totalFramesRead;
}
return pFrames;
}
static ma_int16* ma_dr_mp3__full_read_and_close_s16(ma_dr_mp3* pMP3, ma_dr_mp3_config* pConfig, ma_uint64* pTotalFrameCount)
{
ma_uint64 totalFramesRead = 0;
ma_uint64 framesCapacity = 0;
ma_int16* pFrames = NULL;
ma_int16 temp[4096];
MA_DR_MP3_ASSERT(pMP3 != NULL);
for (;;) {
ma_uint64 framesToReadRightNow = MA_DR_MP3_COUNTOF(temp) / pMP3->channels;
ma_uint64 framesJustRead = ma_dr_mp3_read_pcm_frames_s16(pMP3, framesToReadRightNow, temp);
if (framesJustRead == 0) {
break;
}
if (framesCapacity < totalFramesRead + framesJustRead) {
ma_uint64 newFramesBufferSize;
ma_uint64 oldFramesBufferSize;
ma_uint64 newFramesCap;
ma_int16* pNewFrames;
newFramesCap = framesCapacity * 2;
if (newFramesCap < totalFramesRead + framesJustRead) {
newFramesCap = totalFramesRead + framesJustRead;
}
oldFramesBufferSize = framesCapacity * pMP3->channels * sizeof(ma_int16);
newFramesBufferSize = newFramesCap * pMP3->channels * sizeof(ma_int16);
if (newFramesBufferSize > (ma_uint64)MA_SIZE_MAX) {
break;
}
pNewFrames = (ma_int16*)ma_dr_mp3__realloc_from_callbacks(pFrames, (size_t)newFramesBufferSize, (size_t)oldFramesBufferSize, &pMP3->allocationCallbacks);
if (pNewFrames == NULL) {
ma_dr_mp3__free_from_callbacks(pFrames, &pMP3->allocationCallbacks);
pFrames = NULL;
totalFramesRead = 0;
break;
}
pFrames = pNewFrames;
framesCapacity = newFramesCap;
}
MA_DR_MP3_COPY_MEMORY(pFrames + totalFramesRead*pMP3->channels, temp, (size_t)(framesJustRead*pMP3->channels*sizeof(ma_int16)));
totalFramesRead += framesJustRead;
if (framesJustRead != framesToReadRightNow) {
break;
}
}
if (pConfig != NULL) {
pConfig->channels = pMP3->channels;
pConfig->sampleRate = pMP3->sampleRate;
}
ma_dr_mp3_uninit(pMP3);
if (pTotalFrameCount) {
*pTotalFrameCount = totalFramesRead;
}
return pFrames;
}
MA_API float* ma_dr_mp3_open_and_read_pcm_frames_f32(ma_dr_mp3_read_proc onRead, ma_dr_mp3_seek_proc onSeek, ma_dr_mp3_tell_proc onTell, void* pUserData, ma_dr_mp3_config* pConfig, ma_uint64* pTotalFrameCount, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_mp3 mp3;
if (!ma_dr_mp3_init(&mp3, onRead, onSeek, onTell, NULL, pUserData, pAllocationCallbacks)) {
return NULL;
}
return ma_dr_mp3__full_read_and_close_f32(&mp3, pConfig, pTotalFrameCount);
}
MA_API ma_int16* ma_dr_mp3_open_and_read_pcm_frames_s16(ma_dr_mp3_read_proc onRead, ma_dr_mp3_seek_proc onSeek, ma_dr_mp3_tell_proc onTell, void* pUserData, ma_dr_mp3_config* pConfig, ma_uint64* pTotalFrameCount, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_mp3 mp3;
if (!ma_dr_mp3_init(&mp3, onRead, onSeek, onTell, NULL, pUserData, pAllocationCallbacks)) {
return NULL;
}
return ma_dr_mp3__full_read_and_close_s16(&mp3, pConfig, pTotalFrameCount);
}
MA_API float* ma_dr_mp3_open_memory_and_read_pcm_frames_f32(const void* pData, size_t dataSize, ma_dr_mp3_config* pConfig, ma_uint64* pTotalFrameCount, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_mp3 mp3;
if (!ma_dr_mp3_init_memory(&mp3, pData, dataSize, pAllocationCallbacks)) {
return NULL;
}
return ma_dr_mp3__full_read_and_close_f32(&mp3, pConfig, pTotalFrameCount);
}
MA_API ma_int16* ma_dr_mp3_open_memory_and_read_pcm_frames_s16(const void* pData, size_t dataSize, ma_dr_mp3_config* pConfig, ma_uint64* pTotalFrameCount, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_mp3 mp3;
if (!ma_dr_mp3_init_memory(&mp3, pData, dataSize, pAllocationCallbacks)) {
return NULL;
}
return ma_dr_mp3__full_read_and_close_s16(&mp3, pConfig, pTotalFrameCount);
}
#ifndef MA_DR_MP3_NO_STDIO
MA_API float* ma_dr_mp3_open_file_and_read_pcm_frames_f32(const char* filePath, ma_dr_mp3_config* pConfig, ma_uint64* pTotalFrameCount, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_mp3 mp3;
if (!ma_dr_mp3_init_file(&mp3, filePath, pAllocationCallbacks)) {
return NULL;
}
return ma_dr_mp3__full_read_and_close_f32(&mp3, pConfig, pTotalFrameCount);
}
MA_API ma_int16* ma_dr_mp3_open_file_and_read_pcm_frames_s16(const char* filePath, ma_dr_mp3_config* pConfig, ma_uint64* pTotalFrameCount, const ma_allocation_callbacks* pAllocationCallbacks)
{
ma_dr_mp3 mp3;
if (!ma_dr_mp3_init_file(&mp3, filePath, pAllocationCallbacks)) {
return NULL;
}
return ma_dr_mp3__full_read_and_close_s16(&mp3, pConfig, pTotalFrameCount);
}
#endif
MA_API void* ma_dr_mp3_malloc(size_t sz, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pAllocationCallbacks != NULL) {
return ma_dr_mp3__malloc_from_callbacks(sz, pAllocationCallbacks);
} else {
return ma_dr_mp3__malloc_default(sz, NULL);
}
}
MA_API void ma_dr_mp3_free(void* p, const ma_allocation_callbacks* pAllocationCallbacks)
{
if (pAllocationCallbacks != NULL) {
ma_dr_mp3__free_from_callbacks(p, pAllocationCallbacks);
} else {
ma_dr_mp3__free_default(p, NULL);
}
}
#endif
#endif
#endif
#if defined(_MSC_VER)
#pragma warning(pop)
#endif
#endif
#endif
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