HRESULT CDXVADecoder::DisplayNextFrame()
{
HRESULT hr = S_FALSE;
CComPtr<IMediaSample> pSampleToDeliver;
int nPicIndex;
nPicIndex = FindOldestFrame();
if (nPicIndex != -1) {
if (m_pPictureStore[nPicIndex].rtStart >= 0) {
switch (m_nEngine) {
case ENGINE_DXVA1 :
// For DXVA1, query a media sample at the last time (only one in the allocator)
hr = GetDeliveryBuffer (m_pPictureStore[nPicIndex].rtStart, m_pPictureStore[nPicIndex].rtStop, &pSampleToDeliver);
SetTypeSpecificFlags(&m_pPictureStore[nPicIndex], pSampleToDeliver);
if (SUCCEEDED (hr)) {
hr = m_pAMVideoAccelerator->DisplayFrame(nPicIndex, pSampleToDeliver);
}
break;
case ENGINE_DXVA2 :
// For DXVA2 media sample is in the picture store
m_pPictureStore[nPicIndex].pSample->SetTime (&m_pPictureStore[nPicIndex].rtStart, &m_pPictureStore[nPicIndex].rtStop);
SetTypeSpecificFlags(&m_pPictureStore[nPicIndex], m_pPictureStore[nPicIndex].pSample);
hr = m_pFilter->GetOutputPin()->Deliver(m_pPictureStore[nPicIndex].pSample);
break;
}
#if defined(_DEBUG) && 0
static REFERENCE_TIME rtLast = 0;
TRACE ("Deliver : %10I64d - %10I64d (Dur = %10I64d) {Delta = %10I64d} Ind = %02d Codec=%d Ref=%d\n",
m_pPictureStore[nPicIndex].rtStart,
m_pPictureStore[nPicIndex].rtStop,
m_pPictureStore[nPicIndex].rtStop - m_pPictureStore[nPicIndex].rtStart,
m_pPictureStore[nPicIndex].rtStart - rtLast, nPicIndex,
m_pPictureStore[nPicIndex].nCodecSpecific,
m_pPictureStore[nPicIndex].bRefPicture);
rtLast = m_pPictureStore[nPicIndex].rtStart;
#endif
}
m_bNeedChangeAspect = false;
m_pPictureStore[nPicIndex].bDisplayed = true;
if (!m_pPictureStore[nPicIndex].bRefPicture) {
FreePictureSlot (nPicIndex);
}
}
return hr;
}
void CDXVADecoder::EndOfStream()
{
CComPtr<IMediaSample> pSampleToDeliver;
for (int nPicIndex=0; nPicIndex<m_nPicEntryNumber; nPicIndex++) {
if (m_pPictureStore[nPicIndex].bInUse && !m_pPictureStore[nPicIndex].bDisplayed) {
switch (m_nEngine) {
// TODO - need check under WinXP on DXVA1
/*
case ENGINE_DXVA1 :
if (SUCCEEDED (GetDeliveryBuffer (m_pPictureStore[nPicIndex].rtStart, m_pPictureStore[nPicIndex].rtStop, &pSampleToDeliver)) && pSampleToDeliver) {
m_pAMVideoAccelerator->DisplayFrame(nPicIndex, pSampleToDeliver);
}
break;
*/
case ENGINE_DXVA2 :
SetTypeSpecificFlags(&m_pPictureStore[nPicIndex], m_pPictureStore[nPicIndex].pSample);
m_pFilter->GetOutputPin()->Deliver(m_pPictureStore[nPicIndex].pSample);
break;
}
}
}
}
