| /********** |
| This library is free software; you can redistribute it and/or modify it under |
| the terms of the GNU Lesser General Public License as published by the |
| Free Software Foundation; either version 2.1 of the License, or (at your |
| option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.) |
| |
| This library is distributed in the hope that it will be useful, but WITHOUT |
| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
| FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for |
| more details. |
| |
| You should have received a copy of the GNU Lesser General Public License |
| along with this library; if not, write to the Free Software Foundation, Inc., |
| 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| **********/ |
| // "liveMedia" |
| // Copyright (c) 1996-2015 Live Networks, Inc. All rights reserved. |
| // A 'ServerMediaSubsession' object that creates new, unicast, "RTPSink"s |
| // on demand, from an MP3 audio track within a Matroska file. |
| // (Actually, MPEG-1 or MPEG-2 audio file should also work.) |
| // Implementation |
| |
| #include "FileServerMediaSubsession.hh" |
| #include "MP3AudioMatroskaFileServerMediaSubsession.hh" |
| #include "MatroskaDemuxedTrack.hh" |
| |
| MP3AudioMatroskaFileServerMediaSubsession* MP3AudioMatroskaFileServerMediaSubsession |
| ::createNew(MatroskaFileServerDemux& demux, MatroskaTrack* track, |
| Boolean generateADUs, Interleaving* interleaving) { |
| return new MP3AudioMatroskaFileServerMediaSubsession(demux, track, generateADUs, interleaving); |
| } |
| |
| MP3AudioMatroskaFileServerMediaSubsession |
| ::MP3AudioMatroskaFileServerMediaSubsession(MatroskaFileServerDemux& demux, MatroskaTrack* track, |
| Boolean generateADUs, Interleaving* interleaving) |
| : MP3AudioFileServerMediaSubsession(demux.envir(), demux.fileName(), False, generateADUs, interleaving), |
| fOurDemux(demux), fTrackNumber(track->trackNumber) { |
| fFileDuration = fOurDemux.fileDuration(); |
| } |
| |
| MP3AudioMatroskaFileServerMediaSubsession::~MP3AudioMatroskaFileServerMediaSubsession() { |
| } |
| |
| void MP3AudioMatroskaFileServerMediaSubsession |
| ::seekStreamSource(FramedSource* inputSource, double& seekNPT, double /*streamDuration*/, u_int64_t& /*numBytes*/) { |
| FramedSource* sourceMP3Stream; |
| ADUFromMP3Source* aduStream; |
| getBaseStreams(inputSource, sourceMP3Stream, aduStream); |
| |
| if (aduStream != NULL) aduStream->resetInput(); // because we're about to seek within its source |
| ((MatroskaDemuxedTrack*)sourceMP3Stream)->seekToTime(seekNPT); |
| } |
| |
| FramedSource* MP3AudioMatroskaFileServerMediaSubsession |
| ::createNewStreamSource(unsigned clientSessionId, unsigned& estBitrate) { |
| FramedSource* baseMP3Source = fOurDemux.newDemuxedTrack(clientSessionId, fTrackNumber); |
| return createNewStreamSourceCommon(baseMP3Source, 0, estBitrate); |
| } |