//----------------------------------------------------------------------------
bool MediaFoundationVideoDevice::SetupDevice(unsigned int streamIndex, unsigned int formatIndex)
{
if(this->IsSetup)
{
LOG_ERROR("MediaFoundationVideoDevice::SetupDevice failed: device " << this->DeviceIndex << " is already set up");
return false;
}
HRESULT hr = InitDevice();
if(FAILED(hr))
{
LOG_ERROR("MediaFoundationVideoDevice::SetupDevice failed: device " << this->DeviceIndex << " interface IMFMediaSource cannot be retrieved");
return false;
}
this->Width = this->CurrentFormats[streamIndex][formatIndex].width;
this->Height = this->CurrentFormats[streamIndex][formatIndex].height;
this->FrameRate = this->CurrentFormats[streamIndex][formatIndex].MF_MT_FRAME_RATE;
hr = SetDeviceFormat(this->Source, (DWORD)streamIndex, (DWORD) formatIndex);
this->IsSetup = (SUCCEEDED(hr));
if(this->IsSetup)
{
LOG_DEBUG("MediaFoundationVideoDevice::SetupDevice: device " << this->DeviceIndex << " device is setup");
}
this->PreviousParameters = GetParameters();
this->ActiveType = formatIndex;
return this->IsSetup;
}
HRESULT CMFCamCapture::chooseCaptureFormats()
{
IMFPresentationDescriptor *pPD = NULL;
IMFStreamDescriptor *pSD = NULL;
IMFMediaTypeHandler *pHandler = NULL;
IMFMediaType *pType = NULL;
DWORD i;
HRESULT hr = m_spSource->CreatePresentationDescriptor(&pPD);
if (FAILED(hr)) {
goto done;
}
BOOL fSelected;
hr = pPD->GetStreamDescriptorByIndex(0, &fSelected, &pSD);
if (FAILED(hr)) {
goto done;
}
hr = pSD->GetMediaTypeHandler(&pHandler);
if (FAILED(hr)) {
goto done;
}
DWORD cTypes = 0;
hr = pHandler->GetMediaTypeCount(&cTypes);
if (FAILED(hr)) {
goto done;
}
for (i = 0; i < cTypes; i++) {
hr = pHandler->GetMediaTypeByIndex(i, &pType);
if (FAILED(hr)) {
goto done;
}
bool found = selectMediaType(m_spSource, pType);
if (found) {
LogMediaType(pType);
OutputDebugString(L"\n");
}
SafeRelease(&pType);
if (found) {
hr = SetDeviceFormat(m_spSource, i);
break;
}
}
if (i >= cTypes) {
hr = E_FAIL;
}
done:
SafeRelease(&pPD);
SafeRelease(&pSD);
SafeRelease(&pHandler);
SafeRelease(&pType);
return hr;
}