MPEG1or2VideoFileServerMediaSubsession.hh

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FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for
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// "liveMedia"
// Copyright (c) 1996-2024 Live Networks, Inc.  All rights reserved.
// A 'ServerMediaSubsession' object that creates new, unicast, "RTPSink"s
// on demand, from a MPEG-1 or 2 Elementary Stream video file.
// C++ header
 
#ifndef _MPEG_1OR2_VIDEO_FILE_SERVER_MEDIA_SUBSESSION_HH
#define _MPEG_1OR2_VIDEO_FILE_SERVER_MEDIA_SUBSESSION_HH
 
#ifndef _FILE_SERVER_MEDIA_SUBSESSION_HH
#include "FileServerMediaSubsession.hh"
#endif
 
class MPEG1or2VideoFileServerMediaSubsession: public FileServerMediaSubsession{
public:
  static MPEG1or2VideoFileServerMediaSubsession*
  createNew(UsageEnvironment& env, char const* fileName, Boolean reuseFirstSource,
            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 */);
 
private:
  MPEG1or2VideoFileServerMediaSubsession(UsageEnvironment& env,
                                         char const* fileName,
                                         Boolean reuseFirstSource,
                                         Boolean iFramesOnly,
                                         double vshPeriod);
      // called only by createNew();
  virtual ~MPEG1or2VideoFileServerMediaSubsession();
 
private: // redefined virtual functions
  virtual FramedSource* createNewStreamSource(unsigned clientSessionId,
                                              unsigned& estBitrate);
  virtual RTPSink* createNewRTPSink(Groupsock* rtpGroupsock,
                                    unsigned char rtpPayloadTypeIfDynamic,
                                    FramedSource* inputSource);
 
private:
  Boolean fIFramesOnly;
  double fVSHPeriod;
};
 
#endif