vpVideoWriter.h

/****************************************************************************
 *
 * This file is part of the ViSP software.
 * Copyright (C) 2005 - 2017 by Inria. All rights reserved.
 *
 * This software is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * ("GPL") version 2 as published by the Free Software Foundation.
 * See the file LICENSE.txt at the root directory of this source
 * distribution for additional information about the GNU GPL.
 *
 * For using ViSP with software that can not be combined with the GNU
 * GPL, please contact Inria about acquiring a ViSP Professional
 * Edition License.
 *
 * See http://visp.inria.fr for more information.
 *
 * This software was developed at:
 * Inria Rennes - Bretagne Atlantique
 * Campus Universitaire de Beaulieu
 * 35042 Rennes Cedex
 * France
 *
 * If you have questions regarding the use of this file, please contact
 * Inria at visp@inria.fr
 *
 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 * Description:
 * Write videos and sequences of images.
 *
 * Authors:
 * Nicolas Melchior
 *
 *****************************************************************************/

#ifndef vpVideoWriter_H
#define vpVideoWriter_H

#include <string>

#include <visp3/io/vpImageIo.h>
#include <visp3/io/vpFFMPEG.h>

#if VISP_HAVE_OPENCV_VERSION >= 0x020200
#  include <opencv2/highgui/highgui.hpp>
#elif VISP_HAVE_OPENCV_VERSION >= 0x020000
#  include <opencv/highgui.h>
#endif


class VISP_EXPORT vpVideoWriter
{    
  private:   
#ifdef VISP_HAVE_FFMPEG
    vpFFMPEG *ffmpeg;
#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(54,51,110) // libavcodec 54.51.100
    CodecID codec;
#else
    AVCodecID codec;
#endif
    unsigned int bit_rate;
    int framerate;
#elif VISP_HAVE_OPENCV_VERSION >= 0x020100
      cv::VideoWriter writer;
      int fourcc;
      double framerate;
#endif
    typedef enum
    {
      FORMAT_PGM,
      FORMAT_PPM,
      FORMAT_JPEG,
      FORMAT_PNG,
      FORMAT_AVI,
      FORMAT_MPEG,
      FORMAT_MPEG4,
      FORMAT_MOV,
      FORMAT_UNKNOWN
    } vpVideoFormatType;
    
    vpVideoFormatType formatType;
    
    char fileName[FILENAME_MAX];
    
    bool initFileName;
    
    bool isOpen;
    
    unsigned int frameCount;
    
    unsigned int firstFrame;
    
    unsigned int width;
    unsigned int height;

  public:
    vpVideoWriter();
    ~vpVideoWriter();
    
    void close();

    inline unsigned int getCurrentFrameIndex() const {return frameCount;}

    void open (vpImage< vpRGBa > &I);
    void open (vpImage< unsigned char > &I);
    inline void resetFrameCounter() {frameCount = firstFrame;}

    void saveFrame (vpImage< vpRGBa > &I);
    void saveFrame (vpImage< unsigned char > &I);

#ifdef VISP_HAVE_FFMPEG

    inline void setBitRate(const unsigned int bitrate) {this->bit_rate = bitrate;}

#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(54,51,110) // libavcodec 54.51.100
    inline void setCodec(const CodecID codec_id) {this->codec = codec_id;}
#else
    inline void setCodec(const AVCodecID codec_id) {this->codec = codec_id;}
#endif
#elif VISP_HAVE_OPENCV_VERSION >= 0x020100
    inline void setCodec(const int fourcc_codec) {this->fourcc = fourcc_codec;}
#endif

    void setFileName(const char *filename);
    void setFileName(const std::string &filename);
    inline void setFirstFrameIndex(const unsigned int first_frame) {this->firstFrame = first_frame;}
#ifdef VISP_HAVE_FFMPEG

    inline void setFramerate(const int frame_rate) {
      this->framerate = frame_rate;
    }
#elif VISP_HAVE_OPENCV_VERSION >= 0x020100

    inline void setFramerate(const double frame_rate) {
      this->framerate = frame_rate;
    }
#endif

    private:
      vpVideoFormatType getFormat(const char *filename);
      static std::string getExtension(const std::string &filename);
};

#endif