66 lines
2.8 KiB
C++
Executable File
66 lines
2.8 KiB
C++
Executable File
/**********
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This library is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by the
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Free Software Foundation; either version 2.1 of the License, or (at your
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option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)
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This library is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
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more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this library; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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**********/
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// "liveMedia"
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// Copyright (c) 1996-2016 Live Networks, Inc. All rights reserved.
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// A 'ServerMediaSubsession' object that creates new, unicast, "RTPSink"s
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// on demand, from a track within a Matroska file.
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// Implementation
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#include "MatroskaFileServerMediaSubsession.hh"
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#include "MatroskaDemuxedTrack.hh"
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#include "FramedFilter.hh"
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MatroskaFileServerMediaSubsession* MatroskaFileServerMediaSubsession
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::createNew(MatroskaFileServerDemux& demux, MatroskaTrack* track) {
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return new MatroskaFileServerMediaSubsession(demux, track);
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}
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MatroskaFileServerMediaSubsession
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::MatroskaFileServerMediaSubsession(MatroskaFileServerDemux& demux, MatroskaTrack* track)
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: FileServerMediaSubsession(demux.envir(), demux.fileName(), False),
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fOurDemux(demux), fTrack(track), fNumFiltersInFrontOfTrack(0) {
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}
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MatroskaFileServerMediaSubsession::~MatroskaFileServerMediaSubsession() {
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}
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float MatroskaFileServerMediaSubsession::duration() const { return fOurDemux.fileDuration(); }
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void MatroskaFileServerMediaSubsession
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::seekStreamSource(FramedSource* inputSource, double& seekNPT, double /*streamDuration*/, u_int64_t& /*numBytes*/) {
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for (unsigned i = 0; i < fNumFiltersInFrontOfTrack; ++i) {
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// "inputSource" is a filter. Go back to *its* source:
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inputSource = ((FramedFilter*)inputSource)->inputSource();
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}
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((MatroskaDemuxedTrack*)inputSource)->seekToTime(seekNPT);
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}
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FramedSource* MatroskaFileServerMediaSubsession
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::createNewStreamSource(unsigned clientSessionId, unsigned& estBitrate) {
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FramedSource* baseSource = fOurDemux.newDemuxedTrack(clientSessionId, fTrack->trackNumber);
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if (baseSource == NULL) return NULL;
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return fOurDemux.ourMatroskaFile()
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->createSourceForStreaming(baseSource, fTrack->trackNumber,
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estBitrate, fNumFiltersInFrontOfTrack);
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}
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RTPSink* MatroskaFileServerMediaSubsession
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::createNewRTPSink(Groupsock* rtpGroupsock, unsigned char rtpPayloadTypeIfDynamic, FramedSource* /*inputSource*/) {
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return fOurDemux.ourMatroskaFile()
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->createRTPSinkForTrackNumber(fTrack->trackNumber, rtpGroupsock, rtpPayloadTypeIfDynamic);
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}
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