HRESULT CDXVADecoderMpeg2::DecodeFrameInternal (BYTE* pDataIn, UINT nSize, REFERENCE_TIME rtStart, REFERENCE_TIME rtStop)
{
HRESULT hr = S_FALSE;
int nSurfaceIndex = -1;
CComPtr<IMediaSample> pSampleToDeliver;
int nFieldType = -1;
int nSliceType = -1;
bool bIsField = false;
int bFrame_repeat_pict = 0;
CHECK_HR_FALSE (FFMpeg2DecodeFrame (&m_PictureParams, &m_QMatrixData, m_SliceInfo, &m_nSliceCount, m_pFilter->GetAVCtx(),
m_pFilter->GetFrame(), &m_nNextCodecIndex, &nFieldType, &nSliceType, pDataIn, nSize, &bIsField, &bFrame_repeat_pict));
// Wait I frame after a flush
if (m_bFlushed && (!m_PictureParams.bPicIntra || (bIsField && m_PictureParams.bSecondField))) {
TRACE_MPEG2 ("CDXVADecoderMpeg2::DecodeFrame() : Flush - wait I frame, %ws\n", FrameType(bIsField, m_PictureParams.bSecondField));
return S_FALSE;
}
CHECK_HR (GetFreeSurfaceIndex (nSurfaceIndex, &pSampleToDeliver, rtStart, rtStop));
if (!bIsField || (bIsField && !m_PictureParams.bSecondField)) {
UpdatePictureParams(nSurfaceIndex);
}
TRACE_MPEG2 ("CDXVADecoderMpeg2::DecodeFrame() : Surf = %d, PictureType = %d, %ws, m_nNextCodecIndex = %d, rtStart = [%I64d]\n",
nSurfaceIndex, nSliceType, FrameType(bIsField, m_PictureParams.bSecondField), m_nNextCodecIndex, rtStart);
{
CHECK_HR (BeginFrame(nSurfaceIndex, pSampleToDeliver));
// Send picture parameters
CHECK_HR (AddExecuteBuffer (DXVA2_PictureParametersBufferType, sizeof(m_PictureParams), &m_PictureParams));
// Add quantization matrix
CHECK_HR (AddExecuteBuffer (DXVA2_InverseQuantizationMatrixBufferType, sizeof(m_QMatrixData), &m_QMatrixData));
// Add slice control
CHECK_HR (AddExecuteBuffer (DXVA2_SliceControlBufferType, sizeof (DXVA_SliceInfo)*m_nSliceCount, &m_SliceInfo));
// Add bitstream
CHECK_HR (AddExecuteBuffer (DXVA2_BitStreamDateBufferType, nSize, pDataIn, &nSize));
// Decode frame
CHECK_HR (Execute());
CHECK_HR (EndFrame(nSurfaceIndex));
}
bool bAdded = AddToStore (nSurfaceIndex, pSampleToDeliver, (m_PictureParams.bPicBackwardPrediction != 1), rtStart, rtStop,
bIsField, (FF_FIELD_TYPE)nFieldType, (FF_SLICE_TYPE)nSliceType, FFGetCodedPicture(m_pFilter->GetAVCtx()));
if (bAdded) {
hr = DisplayNextFrame();
}
m_bFlushed = false;
return hr;
}
// === Public functions
HRESULT CDXVADecoderMpeg2::DecodeFrame (BYTE* pDataIn, UINT nSize, REFERENCE_TIME rtStart, REFERENCE_TIME rtStop)
{
HRESULT hr;
int nSurfaceIndex;
CComPtr<IMediaSample> pSampleToDeliver;
int nFieldType;
int nSliceType;
FFMpeg2DecodeFrame (&m_PictureParams, &m_QMatrixData, m_SliceInfo, &m_nSliceCount, m_pFilter->GetAVCtx(),
m_pFilter->GetFrame(), &m_nNextCodecIndex, &nFieldType, &nSliceType, pDataIn, nSize);
// Wait I frame after a flush
if (m_bFlushed && ! m_PictureParams.bPicIntra)
return S_FALSE;
hr = GetFreeSurfaceIndex (nSurfaceIndex, &pSampleToDeliver, rtStart, rtStop);
if (FAILED (hr))
{
ASSERT (hr == VFW_E_NOT_COMMITTED); // Normal when stop playing
return hr;
}
CHECK_HR (BeginFrame(nSurfaceIndex, pSampleToDeliver));
UpdatePictureParams(nSurfaceIndex);
TRACE_MPEG2 ("=> %s %I64d Surf=%d\n", GetFFMpegPictureType(nSliceType), rtStart, nSurfaceIndex);
TRACE_MPEG2("CDXVADecoderMpeg2 : Decode frame %i\n", m_PictureParams.bPicScanMethod);
CHECK_HR (AddExecuteBuffer (DXVA2_PictureParametersBufferType, sizeof(m_PictureParams), &m_PictureParams));
CHECK_HR (AddExecuteBuffer (DXVA2_InverseQuantizationMatrixBufferType, sizeof(m_QMatrixData), &m_QMatrixData));
// Send bitstream to accelerator
CHECK_HR (AddExecuteBuffer (DXVA2_SliceControlBufferType, sizeof (DXVA_SliceInfo)*m_nSliceCount, &m_SliceInfo));
CHECK_HR (AddExecuteBuffer (DXVA2_BitStreamDateBufferType, nSize, pDataIn, &nSize));
// Decode frame
CHECK_HR (Execute());
CHECK_HR (EndFrame(nSurfaceIndex));
AddToStore (nSurfaceIndex, pSampleToDeliver, (m_PictureParams.bPicBackwardPrediction != 1), rtStart, rtStop,
false,(FF_FIELD_TYPE)nFieldType, (FF_SLICE_TYPE)nSliceType, FFGetCodedPicture(m_pFilter->GetAVCtx()));
m_bFlushed = false;
return DisplayNextFrame();
}
// === Public functions
HRESULT CDXVADecoderMpeg2::DecodeFrame(BYTE* pDataIn, UINT nSize, REFERENCE_TIME rtStart, REFERENCE_TIME rtStop)
{
HRESULT hr;
int nFieldType;
int nSliceType;
FFMpeg2DecodeFrame(&m_PictureParams, &m_QMatrixData, m_SliceInfo, &m_nSliceCount, m_pFilter->GetAVCtx(),
m_pFilter->GetFrame(), &m_nNextCodecIndex, &nFieldType, &nSliceType, pDataIn, nSize);
if (m_PictureParams.bSecondField && !m_bSecondField) {
m_bSecondField = true;
}
// Wait I frame after a flush
if (m_bFlushed && (!m_PictureParams.bPicIntra || (m_bSecondField && m_PictureParams.bSecondField))) {
TRACE_MPEG2("CDXVADecoderMpeg2::DecodeFrame() : Flush - wait I frame\n");
return S_FALSE;
}
if (m_bSecondField) {
if (!m_PictureParams.bSecondField) {
m_rtStart = rtStart;
m_rtStop = rtStop;
m_pSampleToDeliver = NULL;
hr = GetFreeSurfaceIndex(m_nSurfaceIndex, &m_pSampleToDeliver, rtStart, rtStop);
if (FAILED(hr)) {
ASSERT(hr == VFW_E_NOT_COMMITTED); // Normal when stop playing
return hr;
}
}
} else {
m_rtStart = rtStart;
m_rtStop = rtStop;
m_pSampleToDeliver = NULL;
hr = GetFreeSurfaceIndex(m_nSurfaceIndex, &m_pSampleToDeliver, rtStart, rtStop);
if (FAILED(hr)) {
ASSERT(hr == VFW_E_NOT_COMMITTED); // Normal when stop playing
return hr;
}
}
if (m_pSampleToDeliver == NULL) {
return S_FALSE;
}
CHECK_HR_TRACE(BeginFrame(m_nSurfaceIndex, m_pSampleToDeliver));
if (m_bSecondField) {
if (!m_PictureParams.bSecondField) {
UpdatePictureParams(m_nSurfaceIndex);
}
} else {
UpdatePictureParams(m_nSurfaceIndex);
}
TRACE_MPEG2("CDXVADecoderMpeg2::DecodeFrame() : Surf = %d, PictureType = %d, SecondField = %d, m_nNextCodecIndex = %d, rtStart = [%I64d]\n",
m_nSurfaceIndex, nSliceType, m_PictureParams.bSecondField, m_nNextCodecIndex, rtStart);
CHECK_HR_TRACE(AddExecuteBuffer(DXVA2_PictureParametersBufferType, sizeof(m_PictureParams), &m_PictureParams));
CHECK_HR_TRACE(AddExecuteBuffer(DXVA2_InverseQuantizationMatrixBufferType, sizeof(m_QMatrixData), &m_QMatrixData));
// Send bitstream to accelerator
CHECK_HR_TRACE(AddExecuteBuffer(DXVA2_SliceControlBufferType, sizeof(DXVA_SliceInfo)*m_nSliceCount, &m_SliceInfo));
CHECK_HR_TRACE(AddExecuteBuffer(DXVA2_BitStreamDateBufferType, nSize, pDataIn, &nSize));
// Decode frame
CHECK_HR_TRACE(Execute());
CHECK_HR_TRACE(EndFrame(m_nSurfaceIndex));
if (m_bSecondField) {
if (m_PictureParams.bSecondField) {
AddToStore(m_nSurfaceIndex, m_pSampleToDeliver, (m_PictureParams.bPicBackwardPrediction != 1), m_rtStart, m_rtStop,
false, (FF_FIELD_TYPE)nFieldType, (FF_SLICE_TYPE)nSliceType, FFGetCodedPicture(m_pFilter->GetAVCtx()));
hr = DisplayNextFrame();
}
} else {
AddToStore(m_nSurfaceIndex, m_pSampleToDeliver, (m_PictureParams.bPicBackwardPrediction != 1), m_rtStart, m_rtStop,
false, (FF_FIELD_TYPE)nFieldType, (FF_SLICE_TYPE)nSliceType, FFGetCodedPicture(m_pFilter->GetAVCtx()));
hr = DisplayNextFrame();
}
m_bFlushed = false;
return hr;
}
