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Fix a seeking error with the stb_vorbis decoding backend.

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The issue with this one was that the brute-force path was seeking back
to the start of the file rather than seeking to the start of the audio
data within the file.
This commit is contained in:
David Reid
2022-12-28 07:27:24 +10:00
parent 2abcd88b72
commit 0d6db3e07f
1 changed files with 10 additions and 2 deletions
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miniaudio.h
+10 -2
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@@ -62080,6 +62080,7 @@ typedef struct
ma_uint8* pData;
size_t dataSize;
size_t dataCapacity;
size_t audioStartOffsetInBytes;
ma_uint32 framesConsumed; /* The number of frames consumed in ppPacketData. */
ma_uint32 framesRemaining; /* The number of frames remaining in ppPacketData. */
float** ppPacketData;
@@ -62246,6 +62247,13 @@ MA_API ma_result ma_stbvorbis_init(ma_read_proc onRead, ma_seek_proc onSeek, ma_
*/
dataSize -= (size_t)consumedDataSize; /* Consume the data. */
MA_MOVE_MEMORY(pData, ma_offset_ptr(pData, consumedDataSize), dataSize);
/*
We need to track the start point so we can seek back to the start of the audio
data when seeking.
*/
pVorbis->push.audioStartOffsetInBytes = consumedDataSize;
break;
} else {
/* Failed to open the decoder. */
@@ -62579,8 +62587,8 @@ MA_API ma_result ma_stbvorbis_seek_to_pcm_frame(ma_stbvorbis* pVorbis, ma_uint64
TODO: Use seeking logic documented for stb_vorbis_flush_pushdata().
*/
/* Seek to the start of the file to begin with. */
result = pVorbis->onSeek(pVorbis->pReadSeekTellUserData, 0, ma_seek_origin_start);
/* Seek to the start of the audio data in the file to begin with. */
result = pVorbis->onSeek(pVorbis->pReadSeekTellUserData, pVorbis->push.audioStartOffsetInBytes, ma_seek_origin_start);
if (result != MA_SUCCESS) {
return result;
}