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-1 or 2 Elementary Stream video file.
20// C++ header
21
22#ifndef _MPEG_1OR2_VIDEO_FILE_SERVER_MEDIA_SUBSESSION_HH
23#define _MPEG_1OR2_VIDEO_FILE_SERVER_MEDIA_SUBSESSION_HH
24
25#ifndef _FILE_SERVER_MEDIA_SUBSESSION_HH
26#include "FileServerMediaSubsession.hh"
27#endif
28
29class MPEG1or2VideoFileServerMediaSubsession: public FileServerMediaSubsession{
30public:
31 static MPEG1or2VideoFileServerMediaSubsession*
32 createNew(UsageEnvironment& env, char const* fileName, Boolean reuseFirstSource,
33 Boolean iFramesOnly = False,
34 double vshPeriod = 5.0
35 /* how often (in seconds) to inject a Video_Sequence_Header,
36 if one doesn't already appear in the stream */);
37
38private:
39 MPEG1or2VideoFileServerMediaSubsession(UsageEnvironment& env,
40 char const* fileName,
41 Boolean reuseFirstSource,
42 Boolean iFramesOnly,
43 double vshPeriod);
44 // called only by createNew();
45 virtual ~MPEG1or2VideoFileServerMediaSubsession();
46
47private: // redefined virtual functions
48 virtual FramedSource* createNewStreamSource(unsigned clientSessionId,
49 unsigned& estBitrate);
50 virtual RTPSink* createNewRTPSink(Groupsock* rtpGroupsock,
51 unsigned char rtpPayloadTypeIfDynamic,
52 FramedSource* inputSource);
53
54private:
55 Boolean fIFramesOnly;
56 double fVSHPeriod;
57};
58
59#endif
60