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/*
* Copyright (C) 2010-2013 Hendrik Leppkes
* http://www.1f0.de
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#pragma once
#include "DecBase.h"
#include "H264RandomAccess.h"
#include <map>
#define AVCODEC_MAX_THREADS 16
typedef struct {
REFERENCE_TIME rtStart;
REFERENCE_TIME rtStop;
} TimingCache;
class CDecAvcodec : public CDecBase
{
public:
CDecAvcodec(void);
virtual ~CDecAvcodec(void);
// ILAVDecoder
STDMETHODIMP InitDecoder(AVCodecID codec, const CMediaType *pmt);
STDMETHODIMP Decode(const BYTE *buffer, int buflen, REFERENCE_TIME rtStart, REFERENCE_TIME rtStop, BOOL bSyncPoint, BOOL bDiscontinuity);
STDMETHODIMP Flush();
STDMETHODIMP EndOfStream();
STDMETHODIMP GetPixelFormat(LAVPixelFormat *pPix, int *pBpp);
STDMETHODIMP_(REFERENCE_TIME) GetFrameDuration();
STDMETHODIMP_(BOOL) IsInterlaced();
STDMETHODIMP_(const WCHAR*) GetDecoderName() { return L"avcodec"; }
STDMETHODIMP HasThreadSafeBuffers() { return S_OK; }
STDMETHODIMP SyncToProcessThread() { return m_pAVCtx && m_pAVCtx->thread_count > 1 ? S_OK : S_FALSE; }
// CDecBase
STDMETHODIMP Init();
protected:
virtual HRESULT AdditionaDecoderInit() { return S_FALSE; }
virtual HRESULT PostDecode() { return S_FALSE; }
virtual HRESULT HandleDXVA2Frame(LAVFrame *pFrame) { return S_FALSE; }
STDMETHODIMP DestroyDecoder();
private:
STDMETHODIMP ConvertPixFmt(AVFrame *pFrame, LAVFrame *pOutFrame);
protected:
AVCodecContext *m_pAVCtx;
AVFrame *m_pFrame;
AVCodecID m_nCodecId;
BOOL m_bDXVA;
private:
AVCodec *m_pAVCodec;
AVCodecParserContext *m_pParser;
BYTE *m_pFFBuffer;
BYTE *m_pFFBuffer2;
int m_nFFBufferSize;
int m_nFFBufferSize2;
SwsContext *m_pSwsContext;
CH264RandomAccess m_h264RandomAccess;
BOOL m_bNoBufferConsumption;
BOOL m_bHasPalette;
// Timing settings
BOOL m_bFFReordering;
BOOL m_bCalculateStopTime;
BOOL m_bRVDropBFrameTimings;
BOOL m_bInputPadded;
BOOL m_bBFrameDelay;
TimingCache m_tcBFrameDelay[2];
int m_nBFramePos;
TimingCache m_tcThreadBuffer[AVCODEC_MAX_THREADS];
int m_CurrentThread;
REFERENCE_TIME m_rtStartCache;
BOOL m_bResumeAtKeyFrame;
BOOL m_bWaitingForKeyFrame;
int m_iInterlaced;
};
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