1/**********
2This library is free software; you can redistribute it and/or modify it under
3the terms of the GNU Lesser General Public License as published by the
4Free Software Foundation; either version 3 of the License, or (at your
5option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)
6
7This library is distributed in the hope that it will be useful, but WITHOUT
8ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
9FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
10more details.
11
12You should have received a copy of the GNU Lesser General Public License
13along with this library; if not, write to the Free Software Foundation, Inc.,
1451 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
15**********/
16// "liveMedia"
17// Copyright (c) 1996-2020 Live Networks, Inc. All rights reserved.
18// A 'ServerMediaSubsession' object that creates new, unicast, "RTPSink"s
19// on demand, from a MPEG-4 video file.
20// C++ header
21
22#ifndef _MPEG4_VIDEO_FILE_SERVER_MEDIA_SUBSESSION_HH
23#define _MPEG4_VIDEO_FILE_SERVER_MEDIA_SUBSESSION_HH
24
25#ifndef _FILE_SERVER_MEDIA_SUBSESSION_HH
26#include "FileServerMediaSubsession.hh"
27#endif
28
29class MPEG4VideoFileServerMediaSubsession: public FileServerMediaSubsession{
30public:
31 static MPEG4VideoFileServerMediaSubsession*
32 createNew(UsageEnvironment& env, char const* fileName, Boolean reuseFirstSource);
33
34 // Used to implement "getAuxSDPLine()":
35 void checkForAuxSDPLine1();
36 void afterPlayingDummy1();
37
38protected:
39 MPEG4VideoFileServerMediaSubsession(UsageEnvironment& env,
40 char const* fileName, Boolean reuseFirstSource);
41 // called only by createNew();
42 virtual ~MPEG4VideoFileServerMediaSubsession();
43
44 void setDoneFlag() { fDoneFlag = ~0; }
45
46protected: // redefined virtual functions
47 virtual char const* getAuxSDPLine(RTPSink* rtpSink,
48 FramedSource* inputSource);
49 virtual FramedSource* createNewStreamSource(unsigned clientSessionId,
50 unsigned& estBitrate);
51 virtual RTPSink* createNewRTPSink(Groupsock* rtpGroupsock,
52 unsigned char rtpPayloadTypeIfDynamic,
53 FramedSource* inputSource);
54
55private:
56 char* fAuxSDPLine;
57 char fDoneFlag; // used when setting up "fAuxSDPLine"
58 RTPSink* fDummyRTPSink; // ditto
59};
60
61#endif
62