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 track within an Ogg file.
20// Implementation
21
22#include "OggFileServerMediaSubsession.hh"
23#include "OggDemuxedTrack.hh"
24#include "FramedFilter.hh"
25
26OggFileServerMediaSubsession* OggFileServerMediaSubsession
27::createNew(OggFileServerDemux& demux, OggTrack* track) {
28 return new OggFileServerMediaSubsession(demux, track);
29}
30
31OggFileServerMediaSubsession
32::OggFileServerMediaSubsession(OggFileServerDemux& demux, OggTrack* track)
33 : FileServerMediaSubsession(demux.envir(), demux.fileName(), False),
34 fOurDemux(demux), fTrack(track), fNumFiltersInFrontOfTrack(0) {
35}
36
37OggFileServerMediaSubsession::~OggFileServerMediaSubsession() {
38}
39
40FramedSource* OggFileServerMediaSubsession
41::createNewStreamSource(unsigned clientSessionId, unsigned& estBitrate) {
42 FramedSource* baseSource = fOurDemux.newDemuxedTrack(clientSessionId, fTrack->trackNumber);
43 if (baseSource == NULL) return NULL;
44
45 return fOurDemux.ourOggFile()
46 ->createSourceForStreaming(baseSource, fTrack->trackNumber,
47 estBitrate, fNumFiltersInFrontOfTrack);
48}
49
50RTPSink* OggFileServerMediaSubsession
51::createNewRTPSink(Groupsock* rtpGroupsock, unsigned char rtpPayloadTypeIfDynamic, FramedSource* /*inputSource*/) {
52 return fOurDemux.ourOggFile()
53 ->createRTPSinkForTrackNumber(fTrack->trackNumber, rtpGroupsock, rtpPayloadTypeIfDynamic);
54}
55