MPEG1or2FileServerDemux.hh

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/**********
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
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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.,
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**********/
// "liveMedia"
// Copyright (c) 1996-2024 Live Networks, Inc.  All rights reserved.
// A server demultiplexer for a MPEG 1 or 2 Program Stream
// C++ header
 
#ifndef _MPEG_1OR2_FILE_SERVER_DEMUX_HH
#define _MPEG_1OR2_FILE_SERVER_DEMUX_HH
 
#ifndef _SERVER_MEDIA_SESSION_HH
#include "ServerMediaSession.hh"
#endif
#ifndef _MPEG_1OR2_DEMUXED_ELEMENTARY_STREAM_HH
#include "MPEG1or2DemuxedElementaryStream.hh"
#endif
 
class MPEG1or2FileServerDemux: public Medium {
public:
  static MPEG1or2FileServerDemux*
  createNew(UsageEnvironment& env, char const* fileName, Boolean reuseFirstSource);
 
  ServerMediaSubsession* newAudioServerMediaSubsession(); // MPEG-1 or 2 audio
  ServerMediaSubsession* newVideoServerMediaSubsession(Boolean iFramesOnly = False,
                                                       double vshPeriod = 5.0
                       /* how often (in seconds) to inject a Video_Sequence_Header,
                          if one doesn't already appear in the stream */);
  ServerMediaSubsession* newAC3AudioServerMediaSubsession(); // AC-3 audio (from VOB)
 
  unsigned fileSize() const { return fFileSize; }
  float fileDuration() const { return fFileDuration; }
 
private:
  MPEG1or2FileServerDemux(UsageEnvironment& env, char const* fileName,
                          Boolean reuseFirstSource);
      // called only by createNew();
  virtual ~MPEG1or2FileServerDemux();
 
private:
  friend class MPEG1or2DemuxedServerMediaSubsession;
  MPEG1or2DemuxedElementaryStream* newElementaryStream(unsigned clientSessionId,
                                                       u_int8_t streamIdTag);
 
  static void onDemuxDeletion(void* clientData, MPEG1or2Demux* demuxBeingDeleted);
  void onDemuxDeletion(MPEG1or2Demux* demuxBeingDeleted);
 
private:
  char const* fFileName;
  unsigned fFileSize;
  float fFileDuration;
  Boolean fReuseFirstSource;
  MPEG1or2Demux* fSession0Demux;
  MPEG1or2Demux* fLastCreatedDemux;
  unsigned fLastClientSessionId;
};
 
#endif