mipavcodecencoder.h

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/*
    
  This file is a part of EMIPLIB, the EDM Media over IP Library.
  
  Copyright (C) 2006-2011  Hasselt University - Expertise Centre for
                      Digital Media (EDM) (http://www.edm.uhasselt.be)

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library 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
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  
  USA

*/

#ifndef MIPAVCODECENCODER_H

#define MIPAVCODECENCODER_H

#include "mipconfig.h"

#ifdef MIPCONFIG_SUPPORT_AVCODEC

#include "mipcomponent.h"

#ifdef MIPCONFIG_SUPPORT_AVCODEC_OLD
#include <ffmpeg/avcodec.h>
#else
extern "C" {
#include <libavcodec/avcodec.h>
}
#endif // MIPCONFIG_SUPPORT_AVCODEC_OLD

class MIPEncodedVideoMessage;

class EMIPLIB_IMPORTEXPORT MIPAVCodecEncoder : public MIPComponent
{
public:
        MIPAVCodecEncoder();
        ~MIPAVCodecEncoder();

        bool init(int width, int height, real_t framerate, int bitrate = 0);

        bool destroy();
        bool push(const MIPComponentChain &chain, int64_t iteration, MIPMessage *pMsg);
        bool pull(const MIPComponentChain &chain, int64_t iteration, MIPMessage **pMsg);

        static void initAVCodec();
private:
        bool getFrameRate(real_t framerate, int *numerator, int *denominator);

        AVCodec *m_pCodec;
        AVCodecContext *m_pContext;
        AVFrame *m_pFrame;
        int m_width, m_height;
        MIPEncodedVideoMessage *m_pMsg;
        uint8_t *m_pData;
        int m_bufSize;
        bool m_gotMessage;
};

#endif // MIPCONFIG_SUPPORT_AVCODEC

#endif // MIPAVCODECENCODER_H