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 DV video file.
20// C++ header
21
22#ifndef _DV_VIDEO_FILE_SERVER_MEDIA_SUBSESSION_HH
23#define _DV_VIDEO_FILE_SERVER_MEDIA_SUBSESSION_HH
24
25#ifndef _FILE_SERVER_MEDIA_SUBSESSION_HH
26#include "FileServerMediaSubsession.hh"
27#endif
28
29class DVVideoFileServerMediaSubsession: public FileServerMediaSubsession{
30public:
31 static DVVideoFileServerMediaSubsession*
32 createNew(UsageEnvironment& env, char const* fileName, Boolean reuseFirstSource);
33
34private:
35 DVVideoFileServerMediaSubsession(UsageEnvironment& env, char const* fileName, Boolean reuseFirstSource);
36 // called only by createNew();
37 virtual ~DVVideoFileServerMediaSubsession();
38
39private: // redefined virtual functions
40 virtual char const* getAuxSDPLine(RTPSink* rtpSink, FramedSource* inputSource);
41 virtual void seekStreamSource(FramedSource* inputSource, double& seekNPT, double streamDuration, u_int64_t& numBytes);
42 virtual void setStreamSourceDuration(FramedSource* inputSource, double streamDuration, u_int64_t& numBytes);
43 virtual FramedSource* createNewStreamSource(unsigned clientSessionId, unsigned& estBitrate);
44 virtual RTPSink* createNewRTPSink(Groupsock* rtpGroupsock, unsigned char rtpPayloadTypeIfDynamic, FramedSource* inputSource);
45 virtual float duration() const;
46
47private:
48 float fFileDuration; // in seconds
49};
50
51#endif
52