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avifil32: Use chunksize specified by the chunk itself, avoids a noticable ticking sound heard when reading past the chunk boundary.
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@ -1103,6 +1103,7 @@ static HRESULT WINAPI IAVIStream_fnRead(IAVIStream *iface, LONG start,
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samples *= This->sInfo.dwSampleSize;
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while (samples > 0 && buffersize > 0) {
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LONG blocksize;
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if (block != This->dwCurrentFrame) {
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hr = AVIFILE_ReadBlock(This, block, NULL, 0);
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if (FAILED(hr))
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@ -1110,7 +1111,9 @@ static HRESULT WINAPI IAVIStream_fnRead(IAVIStream *iface, LONG start,
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}
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size = min((DWORD)samples, (DWORD)buffersize);
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size = min(size, This->cbBuffer - offset);
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blocksize = This->lpBuffer[1];
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TRACE("blocksize = %u\n",blocksize);
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size = min(size, blocksize - offset);
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memcpy(buffer, ((BYTE*)&This->lpBuffer[2]) + offset, size);
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block++;
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