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mfplat/sample: Optimize copying to 2d buffer.

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This commit is contained in:
Paul Gofman 2023-05-09 12:24:46 -06:00 committed by Alexandre Julliard
parent ac4a2c4c75
commit bf58285a90
1 changed files with 22 additions and 2 deletions
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24
dlls/mfplat/sample.c
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@ -796,8 +796,9 @@ static HRESULT WINAPI sample_CopyToBuffer(IMFSample *iface, IMFMediaBuffer *buff
struct sample *sample = impl_from_IMFSample(iface);
DWORD total_length, dst_length, dst_current_length, src_max_length, current_length;
BYTE *src_ptr, *dst_ptr;
BOOL locked;
HRESULT hr;
IMF2DBuffer *buffer2d;
BOOL locked = FALSE;
HRESULT hr = E_FAIL;
size_t i;
TRACE("%p, %p.\n", iface, buffer);
@ -807,6 +808,25 @@ static HRESULT WINAPI sample_CopyToBuffer(IMFSample *iface, IMFMediaBuffer *buff
total_length = sample_get_total_length(sample);
dst_current_length = 0;
if (sample->buffer_count == 1
&& SUCCEEDED(IMFMediaBuffer_QueryInterface(buffer, &IID_IMF2DBuffer, (void **)&buffer2d)))
{
if (SUCCEEDED(IMFMediaBuffer_GetCurrentLength(sample->buffers[0], &current_length))
&& SUCCEEDED(IMF2DBuffer_GetContiguousLength(buffer2d, &dst_length))
&& current_length == dst_length
&& SUCCEEDED(IMFMediaBuffer_Lock(sample->buffers[0], &src_ptr, &src_max_length, &current_length)))
{
hr = IMF2DBuffer_ContiguousCopyFrom(buffer2d, src_ptr, current_length);
IMFMediaBuffer_Unlock(sample->buffers[0]);
}
IMF2DBuffer_Release(buffer2d);
if (SUCCEEDED(hr))
{
dst_current_length = current_length;
goto done;
}
}
dst_ptr = NULL;
dst_length = current_length = 0;
locked = SUCCEEDED(hr = IMFMediaBuffer_Lock(buffer, &dst_ptr, &dst_length, &current_length));