MPEG4VideoFileServerMediaSubsession.hh

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This library is free software; you can redistribute it and/or modify it under
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FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for
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// "liveMedia"
// Copyright (c) 1996-2024 Live Networks, Inc.  All rights reserved.
// A 'ServerMediaSubsession' object that creates new, unicast, "RTPSink"s
// on demand, from a MPEG-4 video file.
// C++ header
 
#ifndef _MPEG4_VIDEO_FILE_SERVER_MEDIA_SUBSESSION_HH
#define _MPEG4_VIDEO_FILE_SERVER_MEDIA_SUBSESSION_HH
 
#ifndef _FILE_SERVER_MEDIA_SUBSESSION_HH
#include "FileServerMediaSubsession.hh"
#endif
 
class MPEG4VideoFileServerMediaSubsession: public FileServerMediaSubsession{
public:
  static MPEG4VideoFileServerMediaSubsession*
  createNew(UsageEnvironment& env, char const* fileName, Boolean reuseFirstSource);
 
  // Used to implement "getAuxSDPLine()":
  void checkForAuxSDPLine1();
  void afterPlayingDummy1();
 
protected:
  MPEG4VideoFileServerMediaSubsession(UsageEnvironment& env,
                                      char const* fileName, Boolean reuseFirstSource);
      // called only by createNew();
  virtual ~MPEG4VideoFileServerMediaSubsession();
 
  void setDoneFlag() { fDoneFlag = ~0; }
 
protected: // redefined virtual functions
  virtual char const* getAuxSDPLine(RTPSink* rtpSink,
                                    FramedSource* inputSource);
  virtual FramedSource* createNewStreamSource(unsigned clientSessionId,
                                              unsigned& estBitrate);
  virtual RTPSink* createNewRTPSink(Groupsock* rtpGroupsock,
                                    unsigned char rtpPayloadTypeIfDynamic,
                                    FramedSource* inputSource);
 
private:
  char* fAuxSDPLine;
  char fDoneFlag; // used when setting up "fAuxSDPLine"
  RTPSink* fDummyRTPSink; // ditto
};
 
#endif