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Add a deinterleaving code path for unaligned buffers.

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This commit is contained in:
David Reid
2026-02-16 07:04:45 +10:00
parent e490db3085
commit dd6c57664b
1 changed files with 24 additions and 2 deletions
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miniaudio.h
+24 -2
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@@ -52970,6 +52970,17 @@ MA_API void ma_deinterleave_pcm_frames(ma_format format, ma_uint32 channels, ma_
}
}
#endif
} else {
ma_uint8* pDstU8_0 = (ma_uint8*)ppDeinterleavedPCMFrames[0];
ma_uint8* pDstU8_1 = (ma_uint8*)ppDeinterleavedPCMFrames[1];
const ma_uint8* pSrcU8Running = (const ma_uint8*)pSrcU8;
for (iPCMFrame = 0; iPCMFrame < frameCount; iPCMFrame += 1) {
pDstU8_0[iPCMFrame] = pSrcU8Running[0];
pDstU8_1[iPCMFrame] = pSrcU8Running[1];
pSrcU8Running += 2;
}
}
}
@@ -53041,6 +53052,17 @@ MA_API void ma_deinterleave_pcm_frames(ma_format format, ma_uint32 channels, ma_
}
}
#endif
} else {
ma_int16* pDstS16_0 = (ma_int16*)ppDeinterleavedPCMFrames[0];
ma_int16* pDstS16_1 = (ma_int16*)ppDeinterleavedPCMFrames[1];
const ma_int16* pSrcS16Running = (const ma_int16*)pSrcS16;
for (iPCMFrame = 0; iPCMFrame < frameCount; iPCMFrame += 1) {
pDstS16_0[iPCMFrame] = pSrcS16Running[0];
pDstS16_1[iPCMFrame] = pSrcS16Running[1];
pSrcS16Running += 2;
}
}
}
@@ -53348,9 +53370,9 @@ MA_API void ma_interleave_pcm_frames(ma_format format, ma_uint32 channels, ma_ui
{
ma_uint32 sampleSizeInBytes = ma_get_bytes_per_sample(format);
ma_uint64 iPCMFrame;
for (iPCMFrame = 0; iPCMFrame < frameCount; ++iPCMFrame) {
for (iPCMFrame = 0; iPCMFrame < frameCount; iPCMFrame += 1) {
ma_uint32 iChannel;
for (iChannel = 0; iChannel < channels; ++iChannel) {
for (iChannel = 0; iChannel < channels; iChannel += 1) {
void* pDst = ma_offset_ptr(pInterleavedPCMFrames, (iPCMFrame*channels+iChannel)*sampleSizeInBytes);
const void* pSrc = ma_offset_ptr(ppDeinterleavedPCMFrames[iChannel], iPCMFrame*sampleSizeInBytes);
memcpy(pDst, pSrc, sampleSizeInBytes);