OggDemuxedTrack.hh

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FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for
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// "liveMedia"
// Copyright (c) 1996-2022 Live Networks, Inc.  All rights reserved.
// A media track, demultiplexed from an Ogg file
// C++ header
 
#ifndef _OGG_DEMUXED_TRACK_HH
#define _OGG_DEMUXED_TRACK_HH
 
#ifndef _FRAMED_SOURCE_HH
#include "FramedSource.hh"
#endif
 
class OggDemux; // forward
 
class OggDemuxedTrack: public FramedSource {
private: // We are created only by a OggDemux (a friend)
  friend class OggDemux;
  OggDemuxedTrack(UsageEnvironment& env, unsigned trackNumber, OggDemux& sourceDemux);
  virtual ~OggDemuxedTrack();
 
private:
  // redefined virtual functions:
  virtual void doGetNextFrame();
  virtual char const* MIMEtype() const;
 
private: // We are accessed only by OggDemux and by OggFileParser (a friend)
  friend class OggFileParser;
  unsigned char*& to() { return fTo; }
  unsigned& maxSize() { return fMaxSize; }
  unsigned& frameSize() { return fFrameSize; }
  unsigned& numTruncatedBytes() { return fNumTruncatedBytes; }
  struct timeval& presentationTime() { return fPresentationTime; }
  unsigned& durationInMicroseconds() { return fDurationInMicroseconds; }
  struct timeval& nextPresentationTime() { return fNextPresentationTime; }
 
private:
  unsigned fOurTrackNumber;
  OggDemux& fOurSourceDemux;
  Boolean fCurrentPageIsContinuation;
  struct timeval fNextPresentationTime;
};
 
#endif