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This commit is contained in:
David Reid
2020-04-30 17:08:33 +10:00
parent 07730e7a16
commit 5852d6ed24
3 changed files with 77 additions and 67 deletions
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extras/dr_wav.h
+59 -55
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@@ -1,6 +1,6 @@
/*
WAV audio loader and writer. Choice of public domain or MIT-0. See license statements at the end of this file.
dr_wav - v0.12.2 - 2020-04-21
dr_wav - v0.12.3 - 2020-04-30
David Reid - mackron@gmail.com
@@ -905,18 +905,18 @@ DRWAV_API drwav_int32* drwav_open_memory_and_read_pcm_frames_s32(const void* dat
DRWAV_API void drwav_free(void* p, const drwav_allocation_callbacks* pAllocationCallbacks);
/* Converts bytes from a wav stream to a sized type of native endian. */
DRWAV_API drwav_uint16 drwav_bytes_to_u16(const unsigned char* data);
DRWAV_API drwav_int16 drwav_bytes_to_s16(const unsigned char* data);
DRWAV_API drwav_uint32 drwav_bytes_to_u32(const unsigned char* data);
DRWAV_API drwav_int32 drwav_bytes_to_s32(const unsigned char* data);
DRWAV_API drwav_uint64 drwav_bytes_to_u64(const unsigned char* data);
DRWAV_API drwav_int64 drwav_bytes_to_s64(const unsigned char* data);
DRWAV_API drwav_uint16 drwav_bytes_to_u16(const drwav_uint8* data);
DRWAV_API drwav_int16 drwav_bytes_to_s16(const drwav_uint8* data);
DRWAV_API drwav_uint32 drwav_bytes_to_u32(const drwav_uint8* data);
DRWAV_API drwav_int32 drwav_bytes_to_s32(const drwav_uint8* data);
DRWAV_API drwav_uint64 drwav_bytes_to_u64(const drwav_uint8* data);
DRWAV_API drwav_int64 drwav_bytes_to_s64(const drwav_uint8* data);
/* Compares a GUID for the purpose of checking the type of a Wave64 chunk. */
DRWAV_API drwav_bool32 drwav_guid_equal(const drwav_uint8 a[16], const drwav_uint8 b[16]);
/* Compares a four-character-code for the purpose of checking the type of a RIFF chunk. */
DRWAV_API drwav_bool32 drwav_fourcc_equal(const unsigned char* a, const char* b);
DRWAV_API drwav_bool32 drwav_fourcc_equal(const drwav_uint8* a, const char* b);
#ifdef __cplusplus
}
@@ -1071,7 +1071,7 @@ static DRWAV_INLINE drwav_bool32 drwav__guid_equal(const drwav_uint8 a[16], cons
return DRWAV_TRUE;
}
static DRWAV_INLINE drwav_bool32 drwav__fourcc_equal(const unsigned char* a, const char* b)
static DRWAV_INLINE drwav_bool32 drwav__fourcc_equal(const drwav_uint8* a, const char* b)
{
return
a[0] == b[0] &&
@@ -1094,39 +1094,39 @@ static DRWAV_INLINE int drwav__is_little_endian(void)
#endif
}
static DRWAV_INLINE drwav_uint16 drwav__bytes_to_u16(const unsigned char* data)
static DRWAV_INLINE drwav_uint16 drwav__bytes_to_u16(const drwav_uint8* data)
{
return (data[0] << 0) | (data[1] << 8);
}
static DRWAV_INLINE drwav_int16 drwav__bytes_to_s16(const unsigned char* data)
static DRWAV_INLINE drwav_int16 drwav__bytes_to_s16(const drwav_uint8* data)
{
return (short)drwav__bytes_to_u16(data);
}
static DRWAV_INLINE drwav_uint32 drwav__bytes_to_u32(const unsigned char* data)
static DRWAV_INLINE drwav_uint32 drwav__bytes_to_u32(const drwav_uint8* data)
{
return (data[0] << 0) | (data[1] << 8) | (data[2] << 16) | (data[3] << 24);
}
static DRWAV_INLINE drwav_int32 drwav__bytes_to_s32(const unsigned char* data)
static DRWAV_INLINE drwav_int32 drwav__bytes_to_s32(const drwav_uint8* data)
{
return (drwav_int32)drwav__bytes_to_u32(data);
}
static DRWAV_INLINE drwav_uint64 drwav__bytes_to_u64(const unsigned char* data)
static DRWAV_INLINE drwav_uint64 drwav__bytes_to_u64(const drwav_uint8* data)
{
return
((drwav_uint64)data[0] << 0) | ((drwav_uint64)data[1] << 8) | ((drwav_uint64)data[2] << 16) | ((drwav_uint64)data[3] << 24) |
((drwav_uint64)data[4] << 32) | ((drwav_uint64)data[5] << 40) | ((drwav_uint64)data[6] << 48) | ((drwav_uint64)data[7] << 56);
}
static DRWAV_INLINE drwav_int64 drwav__bytes_to_s64(const unsigned char* data)
static DRWAV_INLINE drwav_int64 drwav__bytes_to_s64(const drwav_uint8* data)
{
return (drwav_int64)drwav__bytes_to_u64(data);
}
static DRWAV_INLINE void drwav__bytes_to_guid(const unsigned char* data, drwav_uint8* guid)
static DRWAV_INLINE void drwav__bytes_to_guid(const drwav_uint8* data, drwav_uint8* guid)
{
int i;
for (i = 0; i < 16; ++i) {
@@ -1495,7 +1495,7 @@ static drwav_bool32 drwav_init_write__internal(drwav* pWav, const drwav_data_for
static drwav_result drwav__read_chunk_header(drwav_read_proc onRead, void* pUserData, drwav_container container, drwav_uint64* pRunningBytesReadOut, drwav_chunk_header* pHeaderOut)
{
if (container == drwav_container_riff) {
unsigned char sizeInBytes[4];
drwav_uint8 sizeInBytes[4];
if (onRead(pUserData, pHeaderOut->id.fourcc, 4) != 4) {
return DRWAV_AT_END;
@@ -1509,7 +1509,7 @@ static drwav_result drwav__read_chunk_header(drwav_read_proc onRead, void* pUser
pHeaderOut->paddingSize = drwav__chunk_padding_size_riff(pHeaderOut->sizeInBytes);
*pRunningBytesReadOut += 8;
} else {
unsigned char sizeInBytes[8];
drwav_uint8 sizeInBytes[8];
if (onRead(pUserData, pHeaderOut->id.guid, 16) != 16) {
return DRWAV_AT_END;
@@ -1578,7 +1578,7 @@ static drwav_bool32 drwav__seek_from_start(drwav_seek_proc onSeek, drwav_uint64
static drwav_bool32 drwav__read_fmt(drwav_read_proc onRead, drwav_seek_proc onSeek, void* pUserData, drwav_container container, drwav_uint64* pRunningBytesReadOut, drwav_fmt* fmtOut)
{
drwav_chunk_header header;
unsigned char fmt[16];
drwav_uint8 fmt[16];
if (drwav__read_chunk_header(onRead, pUserData, container, pRunningBytesReadOut, &header) != DRWAV_SUCCESS) {
return DRWAV_FALSE;
@@ -1629,7 +1629,7 @@ static drwav_bool32 drwav__read_fmt(drwav_read_proc onRead, drwav_seek_proc onSe
memset(fmtOut->subFormat, 0, sizeof(fmtOut->subFormat));
if (header.sizeInBytes > 16) {
unsigned char fmt_cbSize[2];
drwav_uint8 fmt_cbSize[2];
int bytesReadSoFar = 0;
if (onRead(pUserData, fmt_cbSize, sizeof(fmt_cbSize)) != sizeof(fmt_cbSize)) {
@@ -1649,7 +1649,7 @@ static drwav_bool32 drwav__read_fmt(drwav_read_proc onRead, drwav_seek_proc onSe
}
if (fmtOut->formatTag == DR_WAVE_FORMAT_EXTENSIBLE) {
unsigned char fmtext[22];
drwav_uint8 fmtext[22];
if (onRead(pUserData, fmtext, fmtOut->extendedSize) != fmtOut->extendedSize) {
return DRWAV_FALSE; /* Expecting more data. */
}
@@ -1771,7 +1771,7 @@ static drwav_bool32 drwav_init__internal(drwav* pWav, drwav_chunk_proc onChunk,
drwav_uint64 cursor; /* <-- Keeps track of the byte position so we can seek to specific locations. */
drwav_bool32 sequential;
unsigned char riff[4];
drwav_uint8 riff[4];
drwav_fmt fmt;
unsigned short translatedFormatTag;
drwav_uint64 sampleCountFromFactChunk;
@@ -1815,8 +1815,8 @@ static drwav_bool32 drwav_init__internal(drwav* pWav, drwav_chunk_proc onChunk,
if (pWav->container == drwav_container_riff) {
unsigned char chunkSizeBytes[4];
unsigned char wave[4];
drwav_uint8 chunkSizeBytes[4];
drwav_uint8 wave[4];
/* RIFF/WAVE */
if (drwav__on_read(pWav->onRead, pWav->pUserData, chunkSizeBytes, sizeof(chunkSizeBytes), &cursor) != sizeof(chunkSizeBytes)) {
@@ -1835,7 +1835,7 @@ static drwav_bool32 drwav_init__internal(drwav* pWav, drwav_chunk_proc onChunk,
return DRWAV_FALSE; /* Expecting "WAVE". */
}
} else {
unsigned char chunkSizeBytes[8];
drwav_uint8 chunkSizeBytes[8];
drwav_uint8 wave[16];
/* W64 */
@@ -1984,7 +1984,7 @@ static drwav_bool32 drwav_init__internal(drwav* pWav, drwav_chunk_proc onChunk,
/* "smpl" chunk. */
if (pWav->container == drwav_container_riff) {
if (drwav__fourcc_equal(header.id.fourcc, "smpl")) {
unsigned char smplHeaderData[36]; /* 36 = size of the smpl header section, not including the loop data. */
drwav_uint8 smplHeaderData[36]; /* 36 = size of the smpl header section, not including the loop data. */
if (chunkSize >= sizeof(smplHeaderData)) {
drwav_uint64 bytesJustRead = drwav__on_read(pWav->onRead, pWav->pUserData, smplHeaderData, sizeof(smplHeaderData), &cursor);
chunkSize -= bytesJustRead;
@@ -2003,7 +2003,7 @@ static drwav_bool32 drwav_init__internal(drwav* pWav, drwav_chunk_proc onChunk,
pWav->smpl.samplerData = drwav__bytes_to_u32(smplHeaderData+32);
for (iLoop = 0; iLoop < pWav->smpl.numSampleLoops && iLoop < drwav_countof(pWav->smpl.loops); ++iLoop) {
unsigned char smplLoopData[24]; /* 24 = size of a loop section in the smpl chunk. */
drwav_uint8 smplLoopData[24]; /* 24 = size of a loop section in the smpl chunk. */
bytesJustRead = drwav__on_read(pWav->onRead, pWav->pUserData, smplLoopData, sizeof(smplLoopData), &cursor);
chunkSize -= bytesJustRead;
@@ -2348,7 +2348,8 @@ DRWAV_API drwav_bool32 drwav_init_write_sequential_pcm_frames(drwav* pWav, const
DRWAV_API drwav_uint64 drwav_target_write_size_bytes(const drwav_data_format* pFormat, drwav_uint64 totalSampleCount)
{
drwav_uint64 targetDataSizeBytes = (drwav_uint64)(totalSampleCount * pFormat->channels * pFormat->bitsPerSample/8.0);
/* Casting totalSampleCount to drwav_int64 for VC6 compatibility. No issues in practice because nobody is going to exhaust the whole 63 bits. */
drwav_uint64 targetDataSizeBytes = (drwav_uint64)((drwav_int64)totalSampleCount * pFormat->channels * pFormat->bitsPerSample/8.0);
drwav_uint64 riffChunkSizeBytes;
drwav_uint64 fileSizeBytes;
@@ -3195,7 +3196,7 @@ DRWAV_API drwav_bool32 drwav_init_memory_ex(drwav* pWav, const void* data, size_
return DRWAV_FALSE;
}
pWav->memoryStream.data = (const unsigned char*)data;
pWav->memoryStream.data = (const drwav_uint8*)data;
pWav->memoryStream.dataSize = dataSize;
pWav->memoryStream.currentReadPos = 0;
@@ -4009,7 +4010,7 @@ static DRWAV_INLINE drwav_int16 drwav__mulaw_to_s16(drwav_uint8 sampleIn)
static void drwav__pcm_to_s16(drwav_int16* pOut, const unsigned char* pIn, size_t totalSampleCount, unsigned int bytesPerSample)
static void drwav__pcm_to_s16(drwav_int16* pOut, const drwav_uint8* pIn, size_t totalSampleCount, unsigned int bytesPerSample)
{
unsigned int i;
@@ -4061,7 +4062,7 @@ static void drwav__pcm_to_s16(drwav_int16* pOut, const unsigned char* pIn, size_
}
}
static void drwav__ieee_to_s16(drwav_int16* pOut, const unsigned char* pIn, size_t totalSampleCount, unsigned int bytesPerSample)
static void drwav__ieee_to_s16(drwav_int16* pOut, const drwav_uint8* pIn, size_t totalSampleCount, unsigned int bytesPerSample)
{
if (bytesPerSample == 4) {
drwav_f32_to_s16(pOut, (const float*)pIn, totalSampleCount);
@@ -4080,7 +4081,7 @@ static drwav_uint64 drwav_read_pcm_frames_s16__pcm(drwav* pWav, drwav_uint64 fra
{
drwav_uint32 bytesPerFrame;
drwav_uint64 totalFramesRead;
unsigned char sampleData[4096];
drwav_uint8 sampleData[4096];
/* Fast path. */
if (pWav->translatedFormatTag == DR_WAVE_FORMAT_PCM && pWav->bitsPerSample == 16) {
@@ -4113,7 +4114,7 @@ static drwav_uint64 drwav_read_pcm_frames_s16__pcm(drwav* pWav, drwav_uint64 fra
static drwav_uint64 drwav_read_pcm_frames_s16__ieee(drwav* pWav, drwav_uint64 framesToRead, drwav_int16* pBufferOut)
{
drwav_uint64 totalFramesRead;
unsigned char sampleData[4096];
drwav_uint8 sampleData[4096];
drwav_uint32 bytesPerFrame = drwav_get_bytes_per_pcm_frame(pWav);
if (bytesPerFrame == 0) {
@@ -4141,7 +4142,7 @@ static drwav_uint64 drwav_read_pcm_frames_s16__ieee(drwav* pWav, drwav_uint64 fr
static drwav_uint64 drwav_read_pcm_frames_s16__alaw(drwav* pWav, drwav_uint64 framesToRead, drwav_int16* pBufferOut)
{
drwav_uint64 totalFramesRead;
unsigned char sampleData[4096];
drwav_uint8 sampleData[4096];
drwav_uint32 bytesPerFrame = drwav_get_bytes_per_pcm_frame(pWav);
if (bytesPerFrame == 0) {
@@ -4169,7 +4170,7 @@ static drwav_uint64 drwav_read_pcm_frames_s16__alaw(drwav* pWav, drwav_uint64 fr
static drwav_uint64 drwav_read_pcm_frames_s16__mulaw(drwav* pWav, drwav_uint64 framesToRead, drwav_int16* pBufferOut)
{
drwav_uint64 totalFramesRead;
unsigned char sampleData[4096];
drwav_uint8 sampleData[4096];
drwav_uint32 bytesPerFrame = drwav_get_bytes_per_pcm_frame(pWav);
if (bytesPerFrame == 0) {
@@ -4270,7 +4271,7 @@ DRWAV_API void drwav_s24_to_s16(drwav_int16* pOut, const drwav_uint8* pIn, size_
int r;
size_t i;
for (i = 0; i < sampleCount; ++i) {
int x = ((int)(((unsigned int)(((const unsigned char*)pIn)[i*3+0]) << 8) | ((unsigned int)(((const unsigned char*)pIn)[i*3+1]) << 16) | ((unsigned int)(((const unsigned char*)pIn)[i*3+2])) << 24)) >> 8;
int x = ((int)(((unsigned int)(((const drwav_uint8*)pIn)[i*3+0]) << 8) | ((unsigned int)(((const drwav_uint8*)pIn)[i*3+1]) << 16) | ((unsigned int)(((const drwav_uint8*)pIn)[i*3+2])) << 24)) >> 8;
r = x >> 8;
pOut[i] = (short)r;
}
@@ -4335,7 +4336,7 @@ DRWAV_API void drwav_mulaw_to_s16(drwav_int16* pOut, const drwav_uint8* pIn, siz
static void drwav__pcm_to_f32(float* pOut, const unsigned char* pIn, size_t sampleCount, unsigned int bytesPerSample)
static void drwav__pcm_to_f32(float* pOut, const drwav_uint8* pIn, size_t sampleCount, unsigned int bytesPerSample)
{
unsigned int i;
@@ -4384,7 +4385,7 @@ static void drwav__pcm_to_f32(float* pOut, const unsigned char* pIn, size_t samp
}
}
static void drwav__ieee_to_f32(float* pOut, const unsigned char* pIn, size_t sampleCount, unsigned int bytesPerSample)
static void drwav__ieee_to_f32(float* pOut, const drwav_uint8* pIn, size_t sampleCount, unsigned int bytesPerSample)
{
if (bytesPerSample == 4) {
unsigned int i;
@@ -4406,7 +4407,7 @@ static void drwav__ieee_to_f32(float* pOut, const unsigned char* pIn, size_t sam
static drwav_uint64 drwav_read_pcm_frames_f32__pcm(drwav* pWav, drwav_uint64 framesToRead, float* pBufferOut)
{
drwav_uint64 totalFramesRead;
unsigned char sampleData[4096];
drwav_uint8 sampleData[4096];
drwav_uint32 bytesPerFrame = drwav_get_bytes_per_pcm_frame(pWav);
if (bytesPerFrame == 0) {
@@ -4482,7 +4483,7 @@ static drwav_uint64 drwav_read_pcm_frames_f32__ima(drwav* pWav, drwav_uint64 fra
static drwav_uint64 drwav_read_pcm_frames_f32__ieee(drwav* pWav, drwav_uint64 framesToRead, float* pBufferOut)
{
drwav_uint64 totalFramesRead;
unsigned char sampleData[4096];
drwav_uint8 sampleData[4096];
drwav_uint32 bytesPerFrame;
/* Fast path. */
@@ -4516,7 +4517,7 @@ static drwav_uint64 drwav_read_pcm_frames_f32__ieee(drwav* pWav, drwav_uint64 fr
static drwav_uint64 drwav_read_pcm_frames_f32__alaw(drwav* pWav, drwav_uint64 framesToRead, float* pBufferOut)
{
drwav_uint64 totalFramesRead;
unsigned char sampleData[4096];
drwav_uint8 sampleData[4096];
drwav_uint32 bytesPerFrame = drwav_get_bytes_per_pcm_frame(pWav);
if (bytesPerFrame == 0) {
return 0;
@@ -4543,7 +4544,7 @@ static drwav_uint64 drwav_read_pcm_frames_f32__alaw(drwav* pWav, drwav_uint64 fr
static drwav_uint64 drwav_read_pcm_frames_f32__mulaw(drwav* pWav, drwav_uint64 framesToRead, float* pBufferOut)
{
drwav_uint64 totalFramesRead;
unsigned char sampleData[4096];
drwav_uint8 sampleData[4096];
drwav_uint32 bytesPerFrame = drwav_get_bytes_per_pcm_frame(pWav);
if (bytesPerFrame == 0) {
@@ -4736,7 +4737,7 @@ DRWAV_API void drwav_mulaw_to_f32(float* pOut, const drwav_uint8* pIn, size_t sa
static void drwav__pcm_to_s32(drwav_int32* pOut, const unsigned char* pIn, size_t totalSampleCount, unsigned int bytesPerSample)
static void drwav__pcm_to_s32(drwav_int32* pOut, const drwav_uint8* pIn, size_t totalSampleCount, unsigned int bytesPerSample)
{
unsigned int i;
@@ -4787,7 +4788,7 @@ static void drwav__pcm_to_s32(drwav_int32* pOut, const unsigned char* pIn, size_
}
}
static void drwav__ieee_to_s32(drwav_int32* pOut, const unsigned char* pIn, size_t totalSampleCount, unsigned int bytesPerSample)
static void drwav__ieee_to_s32(drwav_int32* pOut, const drwav_uint8* pIn, size_t totalSampleCount, unsigned int bytesPerSample)
{
if (bytesPerSample == 4) {
drwav_f32_to_s32(pOut, (const float*)pIn, totalSampleCount);
@@ -4806,7 +4807,7 @@ static void drwav__ieee_to_s32(drwav_int32* pOut, const unsigned char* pIn, size
static drwav_uint64 drwav_read_pcm_frames_s32__pcm(drwav* pWav, drwav_uint64 framesToRead, drwav_int32* pBufferOut)
{
drwav_uint64 totalFramesRead;
unsigned char sampleData[4096];
drwav_uint8 sampleData[4096];
drwav_uint32 bytesPerFrame;
/* Fast path. */
@@ -4888,7 +4889,7 @@ static drwav_uint64 drwav_read_pcm_frames_s32__ima(drwav* pWav, drwav_uint64 fra
static drwav_uint64 drwav_read_pcm_frames_s32__ieee(drwav* pWav, drwav_uint64 framesToRead, drwav_int32* pBufferOut)
{
drwav_uint64 totalFramesRead;
unsigned char sampleData[4096];
drwav_uint8 sampleData[4096];
drwav_uint32 bytesPerFrame = drwav_get_bytes_per_pcm_frame(pWav);
if (bytesPerFrame == 0) {
@@ -4916,7 +4917,7 @@ static drwav_uint64 drwav_read_pcm_frames_s32__ieee(drwav* pWav, drwav_uint64 fr
static drwav_uint64 drwav_read_pcm_frames_s32__alaw(drwav* pWav, drwav_uint64 framesToRead, drwav_int32* pBufferOut)
{
drwav_uint64 totalFramesRead;
unsigned char sampleData[4096];
drwav_uint8 sampleData[4096];
drwav_uint32 bytesPerFrame = drwav_get_bytes_per_pcm_frame(pWav);
if (bytesPerFrame == 0) {
@@ -4944,7 +4945,7 @@ static drwav_uint64 drwav_read_pcm_frames_s32__alaw(drwav* pWav, drwav_uint64 fr
static drwav_uint64 drwav_read_pcm_frames_s32__mulaw(drwav* pWav, drwav_uint64 framesToRead, drwav_int32* pBufferOut)
{
drwav_uint64 totalFramesRead;
unsigned char sampleData[4096];
drwav_uint8 sampleData[4096];
drwav_uint32 bytesPerFrame = drwav_get_bytes_per_pcm_frame(pWav);
if (bytesPerFrame == 0) {
@@ -5521,32 +5522,32 @@ DRWAV_API void drwav_free(void* p, const drwav_allocation_callbacks* pAllocation
}
}
DRWAV_API drwav_uint16 drwav_bytes_to_u16(const unsigned char* data)
DRWAV_API drwav_uint16 drwav_bytes_to_u16(const drwav_uint8* data)
{
return drwav__bytes_to_u16(data);
}
DRWAV_API drwav_int16 drwav_bytes_to_s16(const unsigned char* data)
DRWAV_API drwav_int16 drwav_bytes_to_s16(const drwav_uint8* data)
{
return drwav__bytes_to_s16(data);
}
DRWAV_API drwav_uint32 drwav_bytes_to_u32(const unsigned char* data)
DRWAV_API drwav_uint32 drwav_bytes_to_u32(const drwav_uint8* data)
{
return drwav__bytes_to_u32(data);
}
DRWAV_API drwav_int32 drwav_bytes_to_s32(const unsigned char* data)
DRWAV_API drwav_int32 drwav_bytes_to_s32(const drwav_uint8* data)
{
return drwav__bytes_to_s32(data);
}
DRWAV_API drwav_uint64 drwav_bytes_to_u64(const unsigned char* data)
DRWAV_API drwav_uint64 drwav_bytes_to_u64(const drwav_uint8* data)
{
return drwav__bytes_to_u64(data);
}
DRWAV_API drwav_int64 drwav_bytes_to_s64(const unsigned char* data)
DRWAV_API drwav_int64 drwav_bytes_to_s64(const drwav_uint8* data)
{
return drwav__bytes_to_s64(data);
}
@@ -5557,7 +5558,7 @@ DRWAV_API drwav_bool32 drwav_guid_equal(const drwav_uint8 a[16], const drwav_uin
return drwav__guid_equal(a, b);
}
DRWAV_API drwav_bool32 drwav_fourcc_equal(const unsigned char* a, const char* b)
DRWAV_API drwav_bool32 drwav_fourcc_equal(const drwav_uint8* a, const char* b)
{
return drwav__fourcc_equal(a, b);
}
@@ -5752,6 +5753,9 @@ two different ways to initialize a drwav object.
/*
REVISION HISTORY
================
v0.12.3 - 2020-04-30
- Fix compilation errors with VC6.
v0.12.2 - 2020-04-21
- Fix a bug where drwav_init_file() does not close the file handle after attempting to load an erroneous file.