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/*
* (C) 2006-2012 see Authors.txt
*
* This file is part of MPC-HC.
*
* MPC-HC is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* MPC-HC is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#pragma once
#include <dxva.h>
#include "DXVADecoder.h"
#define MAX_SLICE 1024 // Max slice number for Mpeg2 streams
class CDXVADecoderMpeg2 : public CDXVADecoder
{
public:
CDXVADecoderMpeg2(CMPCVideoDecFilter* pFilter, IAMVideoAccelerator* pAMVideoAccelerator, DXVAMode nMode, int nPicEntryNumber);
CDXVADecoderMpeg2(CMPCVideoDecFilter* pFilter, IDirectXVideoDecoder* pDirectXVideoDec, DXVAMode nMode, int nPicEntryNumber, DXVA2_ConfigPictureDecode* pDXVA2Config);
virtual ~CDXVADecoderMpeg2();
virtual HRESULT DecodeFrame(BYTE* pDataIn, UINT nSize, REFERENCE_TIME rtStart, REFERENCE_TIME rtStop);
virtual void CopyBitstream(BYTE* pDXVABuffer, BYTE* pBuffer, UINT& nSize);
virtual void Flush();
protected:
virtual int FindOldestFrame();
private:
DXVA_PictureParameters m_PictureParams;
DXVA_QmatrixData m_QMatrixData;
WORD m_wRefPictureIndex[2];
DXVA_SliceInfo m_SliceInfo[MAX_SLICE];
int m_nSliceCount;
int m_nNextCodecIndex;
int m_nSurfaceIndex;
CComPtr<IMediaSample> m_pSampleToDeliver;
bool m_bSecondField;
REFERENCE_TIME m_rtStart;
REFERENCE_TIME m_rtStop;
REFERENCE_TIME m_rtLastStart;
// Private functions
void Init();
void UpdatePictureParams(int nSurfaceIndex);
void UpdateFrameTime(REFERENCE_TIME& rtStart, REFERENCE_TIME& rtStop);
};
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