live
MPEG1or2DemuxedServerMediaSubsession.hh
Go to the documentation of this file.
1 /**********
2 This library is free software; you can redistribute it and/or modify it under
3 the terms of the GNU Lesser General Public License as published by the
4 Free Software Foundation; either version 3 of the License, or (at your
5 option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)
6 
7 This library is distributed in the hope that it will be useful, but WITHOUT
8 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
9 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
10 more details.
11 
12 You should have received a copy of the GNU Lesser General Public License
13 along with this library; if not, write to the Free Software Foundation, Inc.,
14 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
15 **********/
16 // "liveMedia"
17 // Copyright (c) 1996-2022 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 demuxer.
20 // C++ header
21 
22 #ifndef _MPEG_1OR2_DEMUXED_SERVER_MEDIA_SUBSESSION_HH
23 #define _MPEG_1OR2_DEMUXED_SERVER_MEDIA_SUBSESSION_HH
24 
25 #ifndef _ON_DEMAND_SERVER_MEDIA_SUBSESSION_HH
27 #endif
28 #ifndef _MPEG_1OR2_FILE_SERVER_DEMUX_HH
30 #endif
31 
33 public:
35  createNew(MPEG1or2FileServerDemux& demux, u_int8_t streamIdTag,
36  Boolean reuseFirstSource,
37  Boolean iFramesOnly = False, double vshPeriod = 5.0);
38  // The last two parameters are relevant for video streams only
39 
40 private:
42  u_int8_t streamIdTag, Boolean reuseFirstSource,
43  Boolean iFramesOnly, double vshPeriod);
44  // called only by createNew();
46 
47 private: // redefined virtual functions
48  virtual void seekStreamSource(FramedSource* inputSource, double& seekNPT, double streamDuration, u_int64_t& numBytes);
49  virtual FramedSource* createNewStreamSource(unsigned clientSessionId,
50  unsigned& estBitrate);
51  virtual RTPSink* createNewRTPSink(Groupsock* rtpGroupsock,
52  unsigned char rtpPayloadTypeIfDynamic,
53  FramedSource* inputSource);
54  virtual float duration() const;
55 
56 private:
58  u_int8_t fStreamIdTag;
59  Boolean fIFramesOnly; // for video streams
60  double fVSHPeriod; // for video streams
61 };
62 
63 #endif
const Boolean False
Definition: Boolean.hh:28
unsigned char Boolean
Definition: Boolean.hh:25
static MPEG1or2DemuxedServerMediaSubsession * createNew(MPEG1or2FileServerDemux &demux, u_int8_t streamIdTag, Boolean reuseFirstSource, Boolean iFramesOnly=False, double vshPeriod=5.0)
virtual RTPSink * createNewRTPSink(Groupsock *rtpGroupsock, unsigned char rtpPayloadTypeIfDynamic, FramedSource *inputSource)
virtual void seekStreamSource(FramedSource *inputSource, double &seekNPT, double streamDuration, u_int64_t &numBytes)
virtual FramedSource * createNewStreamSource(unsigned clientSessionId, unsigned &estBitrate)
MPEG1or2DemuxedServerMediaSubsession(MPEG1or2FileServerDemux &demux, u_int8_t streamIdTag, Boolean reuseFirstSource, Boolean iFramesOnly, double vshPeriod)