59 lines
2.7 KiB
C++
Executable File
59 lines
2.7 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 an MP3 audio track within a Matroska file.
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// (Actually, MPEG-1 or MPEG-2 audio file should also work.)
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// Implementation
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#include "FileServerMediaSubsession.hh"
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#include "MP3AudioMatroskaFileServerMediaSubsession.hh"
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#include "MatroskaDemuxedTrack.hh"
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MP3AudioMatroskaFileServerMediaSubsession* MP3AudioMatroskaFileServerMediaSubsession
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::createNew(MatroskaFileServerDemux& demux, MatroskaTrack* track,
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Boolean generateADUs, Interleaving* interleaving) {
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return new MP3AudioMatroskaFileServerMediaSubsession(demux, track, generateADUs, interleaving);
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}
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MP3AudioMatroskaFileServerMediaSubsession
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::MP3AudioMatroskaFileServerMediaSubsession(MatroskaFileServerDemux& demux, MatroskaTrack* track,
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Boolean generateADUs, Interleaving* interleaving)
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: MP3AudioFileServerMediaSubsession(demux.envir(), demux.fileName(), False, generateADUs, interleaving),
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fOurDemux(demux), fTrackNumber(track->trackNumber) {
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fFileDuration = fOurDemux.fileDuration();
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}
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MP3AudioMatroskaFileServerMediaSubsession::~MP3AudioMatroskaFileServerMediaSubsession() {
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}
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void MP3AudioMatroskaFileServerMediaSubsession
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::seekStreamSource(FramedSource* inputSource, double& seekNPT, double /*streamDuration*/, u_int64_t& /*numBytes*/) {
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FramedSource* sourceMP3Stream;
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ADUFromMP3Source* aduStream;
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getBaseStreams(inputSource, sourceMP3Stream, aduStream);
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if (aduStream != NULL) aduStream->resetInput(); // because we're about to seek within its source
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((MatroskaDemuxedTrack*)sourceMP3Stream)->seekToTime(seekNPT);
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}
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FramedSource* MP3AudioMatroskaFileServerMediaSubsession
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::createNewStreamSource(unsigned clientSessionId, unsigned& estBitrate) {
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FramedSource* baseMP3Source = fOurDemux.newDemuxedTrack(clientSessionId, fTrackNumber);
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return createNewStreamSourceCommon(baseMP3Source, 0, estBitrate);
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}
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