//----------------------------------------------------------------------------
long MediaFoundationVideoDevice::SetDeviceFormat(IMFMediaSource *pSource, DWORD streamIndex, DWORD dwFormatIndex)
{
IMFPresentationDescriptor *pPD = NULL;
IMFStreamDescriptor *pSD = NULL;
IMFMediaTypeHandler *pHandler = NULL;
IMFMediaType *pType = NULL;
HRESULT hr = pSource->CreatePresentationDescriptor(&pPD);
if (FAILED(hr))
{
goto done;
}
BOOL fSelected=false;
hr = pPD->GetStreamDescriptorByIndex(streamIndex, &fSelected, &pSD);
if (FAILED(hr))
{
goto done;
}
if (!fSelected)
{
hr = pPD->SelectStream(streamIndex);
if (FAILED(hr))
{
LOG_ERROR("Failed to select stream "<<streamIndex);
goto done;
}
}
hr = pSD->GetMediaTypeHandler(&pHandler);
if (FAILED(hr))
{
goto done;
}
hr = pHandler->GetMediaTypeByIndex(dwFormatIndex, &pType);
if (FAILED(hr))
{
goto done;
}
hr = pHandler->SetCurrentMediaType(pType);
done:
SafeRelease(&pPD);
SafeRelease(&pSD);
SafeRelease(&pHandler);
SafeRelease(&pType);
return hr;
}
