/***************************************************************************
                          ADM_Video.h  -  description
                             -------------------
         Describe a video stream with eventually the associated audio stream

    begin                : Thu Apr 18 2002
    copyright            : (C) 2002 by mean
    email                : fixounet@free.fr
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef __VIDHEADER__
#define __VIDHEADER__

#ifdef _WIN32
#    include <windows.h>
#endif

#include "ADM_coreDemuxer6_export.h"
#include "ADM_inttype.h"
#include "avifmt.h"
#include "avifmt2.h"
#include "ADM_compressedImage.h"
#include "ADM_audioStream.h"
#include "ADM_colorspace.h"


typedef struct 
{
    uint32_t encoding;  // Same as in wavheader
    uint32_t bitrate;   // In kbits
    uint32_t channels;  //
    uint32_t frequency; // In hertz
    int32_t  av_sync;   // in ms
} audioInfo;

typedef struct 
{
    uint32_t   width,height;
    uint32_t   fps1000;
    uint32_t   nb_frames;
    uint32_t   fcc;    
    uint32_t   bpp;
} aviInfo;


/**
    \class vidHeader
    \brief Base Class for all demuxers
*/
class ADM_COREDEMUXER6_EXPORT vidHeader
{
protected:
          MainAVIHeader     _mainaviheader;
          uint8_t            _isvideopresent;
          AVIStreamHeader     _videostream;
          ADM_BITMAPINFOHEADER  _video_bih;
          uint8_t            _isaudiopresent;
          AVIStreamHeader     _audiostream;
          void               *_audiostreaminfo;
          char               *_name;
          uint32_t            _videoExtraLen;
          uint8_t           *_videoExtraData;

                    
public:
                           vidHeader();
virtual                    ~vidHeader() ;
virtual   void             Dump(void)=0;
virtual      uint8_t       getExtraHeaderData(uint32_t *len, uint8_t **data);
// AVI io
virtual     uint8_t        open(const char *name)=0;
virtual     uint8_t        close(void)=0;
virtual     uint64_t       frameToUs(uint32_t frame)
                                {
                                    double f=frame;
                                    f*=_videostream.dwScale;
                                    f/=_videostream.dwRate;
                                    f*=1000000.;
                                    return (uint64_t)f;
                                }
virtual        bool             unreliableBFramePts (void) { return false;} // By default frames are reliable
  //__________________________
  //                 Info
  //__________________________
            uint8_t                 getVideoInfo(aviInfo *info);
            uint32_t                getWidth( void ) { return _mainaviheader.dwWidth;};
            uint32_t                getHeight( void ) { return _mainaviheader.dwHeight;};
            uint8_t                 setMyName( const char *name);
            char                    *getMyName( void);
  //__________________________
  //                 Audio
  //__________________________

virtual     WAVHeader              *getAudioInfo(uint32_t i ) =0 ;
virtual     uint8_t                 getAudioStream(uint32_t i,ADM_audioStream  **audio)=0;
virtual     uint8_t                 getNbAudioStreams(void)=0;
// Frames
  //__________________________
  //                 video
  //__________________________

virtual     uint8_t                 setFlag(uint32_t frame,uint32_t flags)=0;
virtual     uint32_t                getFlags(uint32_t frame,uint32_t *flags)=0;            
virtual     uint8_t                 getFrameSize(uint32_t frame,uint32_t *size)=0;
virtual     uint8_t                 getFrame(uint32_t framenum,ADMCompressedImage *img)=0;
virtual     uint64_t                estimatePts(uint32_t frame); // Returns or guess the PTS of given frame
// New write avi engine
          AVIStreamHeader           *getVideoStreamHeader(void ) { return &_videostream;}
          MainAVIHeader             *getMainHeader(void ) { return &_mainaviheader;}
          ADM_BITMAPINFOHEADER      *getBIH(void ) { return &_video_bih;}
                                     /// Returns PTS of frame...
virtual   uint64_t                   getTime(uint32_t frameNum)=0;
virtual   uint64_t                   getVideoDuration(void)=0;

// Return false if the container doesn't provide pts information
virtual   bool                       providePts(void) {return true;};
//
virtual   bool                       getPtsDts(uint32_t frame,uint64_t *pts,uint64_t *dts)=0;
virtual   bool                       setPtsDts(uint32_t frame,uint64_t pts,uint64_t dts)=0;
};
#endif
