FfmpegEncoder.H

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/*!@file Media/FfmpegEncoder.H Low-level class for using ffmpeg to decode movie files */

// //////////////////////////////////////////////////////////////////// //
// The iLab Neuromorphic Vision C++ Toolkit - Copyright (C) 2000-2005   //
// by the University of Southern California (USC) and the iLab at USC.  //
// See http://iLab.usc.edu for information about this project.          //
// //////////////////////////////////////////////////////////////////// //
// Major portions of the iLab Neuromorphic Vision Toolkit are protected //
// under the U.S. patent ``Computation of Intrinsic Perceptual Saliency //
// in Visual Environments, and Applications'' by Christof Koch and      //
// Laurent Itti, California Institute of Technology, 2001 (patent       //
// pending; application number 09/912,225 filed July 23, 2001; see      //
// http://pair.uspto.gov/cgi-bin/final/home.pl for current status).     //
// //////////////////////////////////////////////////////////////////// //
// This file is part of the iLab Neuromorphic Vision C++ Toolkit.       //
//                                                                      //
// The iLab Neuromorphic Vision C++ Toolkit is free software; you can   //
// redistribute it and/or modify it under the terms of the GNU General  //
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// //////////////////////////////////////////////////////////////////// //
//
// Primary maintainer for this file:Rob Peters <rjpeters at usc dot edu>
// $HeadURL: svn://isvn.usc.edu/software/invt/trunk/saliency/src/Media/FfmpegEncoder.H $
// $Id: FfmpegEncoder.H 12962 2010-03-06 02:13:53Z irock $
//

#ifndef MEDIA_FFMPEGENCODER_H_DEFINED
#define MEDIA_FFMPEGENCODER_H_DEFINED

#ifdef INVT_HAVE_AVCODEC

#include "Image/Range.H"
#include "Transport/LowLevelEncoder.H"
#include "Util/Types.H" // for byte

#include <cstdio>
#define attribute_deprecated
extern "C"
{
#ifdef HAVE_LIBAVCODEC_AVCODEC_H
#include <libavcodec/avcodec.h>
#include <libavformat/avformat.h>
#else
#include <ffmpeg/avcodec.h>
#include <ffmpeg/avformat.h>
#endif

}
#include <string>

class Dims;
class VideoFrame;
template <class T> class Image;
template <class T> class PixRGB;

/// Low-level class for using ffmpeg to decode movie files
/** You probably want to use MpegOutputStream instead, which relies on
    FfmpegEncoder internally for its implementation but offers a
    richer, higher-level interface. */
class FfmpegEncoder : public LowLevelEncoder
{
public:
  FfmpegEncoder(const std::string& fname,
                const std::string& codecname,
                const int bitrate,
                const int framerate,
                const int frameratebase,
                const Dims& dims,
                const int bufsz,
                                                                const bool useFormatContext = false);

  virtual ~FfmpegEncoder();

  virtual int close();

  void writeRawFrame(const AVFrame* picture);

  void writeRGB(const Image<PixRGB<byte> >& img);

  void writeVideoFrame(const VideoFrame& frame);

  virtual void writeFrame(const GenericFrame& f);

private:
  FILE*           itsFile;
  AVCodecContext  itsContext;
        AVFormatContext* itsFormatContext;
        AVStream*                                itsAVStream;
  int             itsFrameNumber;
  const int       itsOutbufSize;
  Range<int>      itsFrameSizeRange;
        bool                                          itsUseFormatContext;
};

#endif // HAVE_FFMPEG_AVCODEC_H

// ######################################################################
/* So things look consistent in everyone's emacs... */
/* Local Variables: */
/* mode: c++ */
/* indent-tabs-mode: nil */
/* End: */

#endif // MEDIA_FFMPEGENCODER_H_DEFINED