mirror/miniaudio
1
0
Fork 0
mirror of https://github.com/mackron/miniaudio.git synced 2026-04-22 00:06:59 +02:00
Code Issues Packages Projects Releases Wiki Activity

Remove the old "raw" decoder.

Browse Source 
This is no longer used. New code should use `ma_audio_buffer`.
This commit is contained in:
David Reid
2021-07-01 17:11:56 +10:00
parent b1f64fdaf6
commit e312ac5411
1 changed files with 0 additions and 177 deletions
Download Patch File Download Diff File Expand all files Collapse all files
miniaudio.h
-177
View File
@@ -6195,14 +6195,12 @@ MA_API ma_result ma_decoder_init_wav(ma_decoder_read_proc onRead, ma_decoder_see
MA_API ma_result ma_decoder_init_flac(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_mp3(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_vorbis(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_raw(ma_decoder_read_proc onRead, ma_decoder_seek_proc onSeek, void* pUserData, const ma_decoder_config* pConfigIn, const ma_decoder_config* pConfigOut, 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_memory_wav(const void* pData, size_t dataSize, const ma_decoder_config* pConfig, ma_decoder* pDecoder);
MA_API ma_result ma_decoder_init_memory_flac(const void* pData, size_t dataSize, const ma_decoder_config* pConfig, ma_decoder* pDecoder);
MA_API ma_result ma_decoder_init_memory_mp3(const void* pData, size_t dataSize, const ma_decoder_config* pConfig, ma_decoder* pDecoder);
MA_API ma_result ma_decoder_init_memory_vorbis(const void* pData, size_t dataSize, const ma_decoder_config* pConfig, ma_decoder* pDecoder);
MA_API ma_result ma_decoder_init_memory_raw(const void* pData, size_t dataSize, const ma_decoder_config* pConfigIn, const ma_decoder_config* pConfigOut, 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_wav(ma_vfs* pVFS, const char* pFilePath, const ma_decoder_config* pConfig, ma_decoder* pDecoder);
@@ -49604,145 +49602,7 @@ static ma_result ma_decoder_init_vorbis__internal(const ma_decoder_config* pConf
}
#endif /* STB_VORBIS_INCLUDE_STB_VORBIS_H */
/* Raw */
static ma_uint64 ma_decoder_internal_on_read_pcm_frames__raw(ma_decoder* pDecoder, void* pFramesOut, ma_uint64 frameCount)
{
ma_result result;
ma_uint32 bpf;
ma_uint64 totalFramesRead;
void* pRunningFramesOut;
MA_ASSERT(pDecoder != NULL);
/* For raw decoding we just read directly from the decoder's callbacks. */
bpf = ma_get_bytes_per_frame(pDecoder->internalFormat, pDecoder->internalChannels);
totalFramesRead = 0;
pRunningFramesOut = pFramesOut;
while (totalFramesRead < frameCount) {
size_t framesReadThisIteration;
ma_uint64 framesToReadThisIteration = (frameCount - totalFramesRead);
if (framesToReadThisIteration > 0x7FFFFFFF/bpf) {
framesToReadThisIteration = 0x7FFFFFFF/bpf;
}
if (pFramesOut != NULL) {
result = ma_decoder_read_bytes(pDecoder, pRunningFramesOut, (size_t)framesToReadThisIteration * bpf, &framesReadThisIteration); /* Safe cast to size_t. */
framesReadThisIteration /= bpf;
pRunningFramesOut = ma_offset_ptr(pRunningFramesOut, framesReadThisIteration * bpf);
} else {
/* We'll first try seeking. If this fails it means the end was reached and we'll to do a read-and-discard slow path to get the exact amount. */
if (ma_decoder_seek_bytes(pDecoder, (int)framesToReadThisIteration, ma_seek_origin_current) == MA_SUCCESS) {
framesReadThisIteration = (size_t)framesToReadThisIteration; /* Safe cast. */
} else {
/* Slow path. Need to fall back to a read-and-discard. This is required so we can get the exact number of remaining. */
ma_uint8 buffer[MA_DATA_CONVERTER_STACK_BUFFER_SIZE];
ma_uint32 bufferCap = sizeof(buffer) / bpf;
framesReadThisIteration = 0;
while (framesReadThisIteration < framesToReadThisIteration) {
size_t framesReadNow;
ma_uint64 framesToReadNow = framesToReadThisIteration - framesReadThisIteration;
if (framesToReadNow > bufferCap) {
framesToReadNow = bufferCap;
}
result = ma_decoder_read_bytes(pDecoder, buffer, (size_t)(framesToReadNow * bpf), &framesReadNow); /* Safe cast. */
framesReadNow /= bpf;
framesReadThisIteration += framesReadNow;
if (result != MA_SUCCESS || framesReadNow < framesToReadNow) {
break; /* The end has been reached. */
}
}
}
}
totalFramesRead += framesReadThisIteration;
if (framesReadThisIteration < framesToReadThisIteration) {
break; /* Done. */
}
}
return totalFramesRead;
}
static ma_result ma_decoder_internal_on_seek_to_pcm_frame__raw(ma_decoder* pDecoder, ma_uint64 frameIndex)
{
ma_result result = MA_ERROR;
ma_uint64 totalBytesToSeek;
MA_ASSERT(pDecoder != NULL);
if (pDecoder->onSeek == NULL) {
return MA_ERROR;
}
/* The callback uses a 32 bit integer whereas we use a 64 bit unsigned integer. We just need to continuously seek until we're at the correct position. */
totalBytesToSeek = frameIndex * ma_get_bytes_per_frame(pDecoder->internalFormat, pDecoder->internalChannels);
if (totalBytesToSeek < 0x7FFFFFFF) {
/* Simple case. */
result = ma_decoder_seek_bytes(pDecoder, (int)(frameIndex * ma_get_bytes_per_frame(pDecoder->internalFormat, pDecoder->internalChannels)), ma_seek_origin_start);
} else {
/* Complex case. Start by doing a seek relative to the start. Then keep looping using offset seeking. */
result = ma_decoder_seek_bytes(pDecoder, 0x7FFFFFFF, ma_seek_origin_start);
if (result == MA_SUCCESS) {
totalBytesToSeek -= 0x7FFFFFFF;
while (totalBytesToSeek > 0) {
ma_uint64 bytesToSeekThisIteration = totalBytesToSeek;
if (bytesToSeekThisIteration > 0x7FFFFFFF) {
bytesToSeekThisIteration = 0x7FFFFFFF;
}
result = ma_decoder_seek_bytes(pDecoder, (int)bytesToSeekThisIteration, ma_seek_origin_current);
if (result != MA_SUCCESS) {
break;
}
totalBytesToSeek -= bytesToSeekThisIteration;
}
}
}
return result;
}
static ma_result ma_decoder_internal_on_uninit__raw(ma_decoder* pDecoder)
{
(void)pDecoder;
return MA_SUCCESS;
}
static ma_uint64 ma_decoder_internal_on_get_length_in_pcm_frames__raw(ma_decoder* pDecoder)
{
(void)pDecoder;
return 0;
}
static ma_result ma_decoder_init_raw__internal(const ma_decoder_config* pConfigIn, const ma_decoder_config* pConfigOut, ma_decoder* pDecoder)
{
MA_ASSERT(pConfigIn != NULL);
MA_ASSERT(pConfigOut != NULL);
MA_ASSERT(pDecoder != NULL);
(void)pConfigOut;
pDecoder->onReadPCMFrames = ma_decoder_internal_on_read_pcm_frames__raw;
pDecoder->onSeekToPCMFrame = ma_decoder_internal_on_seek_to_pcm_frame__raw;
pDecoder->onUninit = ma_decoder_internal_on_uninit__raw;
pDecoder->onGetLengthInPCMFrames = ma_decoder_internal_on_get_length_in_pcm_frames__raw;
/* Internal format. */
pDecoder->internalFormat = pConfigIn->format;
pDecoder->internalChannels = pConfigIn->channels;
pDecoder->internalSampleRate = pConfigIn->sampleRate;
ma_channel_map_copy(pDecoder->internalChannelMap, pConfigIn->channelMap, pConfigIn->channels);
return MA_SUCCESS;
}
static ma_result ma_decoder__init_allocation_callbacks(const ma_decoder_config* pConfig, ma_decoder* pDecoder)
{
@@ -49994,25 +49854,7 @@ MA_API ma_result ma_decoder_init_vorbis(ma_decoder_read_proc onRead, ma_decoder_
#endif
}
MA_API ma_result ma_decoder_init_raw(ma_decoder_read_proc onRead, ma_decoder_seek_proc onSeek, void* pUserData, const ma_decoder_config* pConfigIn, const ma_decoder_config* pConfigOut, ma_decoder* pDecoder)
{
ma_decoder_config config;
ma_result result;
config = ma_decoder_config_init_copy(pConfigOut);
result = ma_decoder__preinit(onRead, onSeek, NULL, pUserData, &config, pDecoder);
if (result != MA_SUCCESS) {
return result;
}
result = ma_decoder_init_raw__internal(pConfigIn, &config, pDecoder);
if (result != MA_SUCCESS) {
return result;
}
return ma_decoder__postinit(&config, pDecoder);
}
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)
{
@@ -50311,25 +50153,6 @@ MA_API ma_result ma_decoder_init_memory_vorbis(const void* pData, size_t dataSiz
#endif
}
MA_API ma_result ma_decoder_init_memory_raw(const void* pData, size_t dataSize, const ma_decoder_config* pConfigIn, const ma_decoder_config* pConfigOut, ma_decoder* pDecoder)
{
ma_decoder_config config;
ma_result result;
config = ma_decoder_config_init_copy(pConfigOut); /* Make sure the config is not NULL. */
result = ma_decoder__preinit_memory(pData, dataSize, &config, pDecoder);
if (result != MA_SUCCESS) {
return result;
}
result = ma_decoder_init_raw__internal(pConfigIn, &config, pDecoder);
if (result != MA_SUCCESS) {
return result;
}
return ma_decoder__postinit(&config, pDecoder);
}
#if defined(MA_HAS_WAV) || \