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Add ma_data_source_seek_pcm_frames().

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This commit also explicitly defines ma_data_source_read_pcm_frames() as
supporting an output buffer of NULL in which case a forward seek should
be performed.
This commit is contained in:
David Reid
2020-05-29 18:00:48 +10:00
parent aec20ea98c
commit 1cec172623
1 changed files with 7 additions and 1 deletions
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miniaudio.h
+7 -1
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@@ -5333,7 +5333,8 @@ typedef struct
ma_result (* onGetDataFormat)(ma_data_source* pDataSource, ma_format* pFormat, ma_uint32* pChannels);
} ma_data_source_callbacks;
MA_API ma_uint64 ma_data_source_read_pcm_frames(ma_data_source* pDataSource, void* pFramesOut, ma_uint64 frameCount);
MA_API ma_uint64 ma_data_source_read_pcm_frames(ma_data_source* pDataSource, void* pFramesOut, ma_uint64 frameCount); /* Must support pFramesOut = NULL in which case a forward seek should be performed. */
MA_API ma_uint64 ma_data_source_seek_pcm_frames(ma_data_source* pDataSource, ma_uint64 frameCount); /* Can only seek forward. Equivalent to ma_data_source_read_pcm_frames(pDataSource, NULL, frameCount); */
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_map(ma_data_source* pDataSource, void** ppFramesOut, ma_uint64* pFrameCount);
MA_API ma_result ma_data_source_unmap(ma_data_source* pDataSource, ma_uint64 frameCount); /* Returns MA_AT_END if the end has been reached. This should be considered successful. */
@@ -39899,6 +39900,11 @@ MA_API ma_uint64 ma_data_source_read_pcm_frames(ma_data_source* pDataSource, voi
return pCallbacks->onRead(pDataSource, pFramesOut, frameCount);
}
MA_API ma_uint64 ma_data_source_seek_pcm_frames(ma_data_source* pDataSource, ma_uint64 frameCount)
{
return ma_data_source_read_pcm_frames(pDataSource, NULL, frameCount);
}
MA_API ma_result ma_data_source_seek_to_pcm_frame(ma_data_source* pDataSource, ma_uint64 frameIndex)
{
ma_data_source_callbacks* pCallbacks = (ma_data_source_callbacks*)pDataSource;