| 1 | /********** |
| 2 | This library is free software; you can redistribute it and/or modify it under |
| 3 | the terms of the GNU Lesser General Public License as published by the |
| 4 | Free Software Foundation; either version 3 of the License, or (at your |
| 5 | option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.) |
| 6 | |
| 7 | This library is distributed in the hope that it will be useful, but WITHOUT |
| 8 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
| 9 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for |
| 10 | more details. |
| 11 | |
| 12 | You should have received a copy of the GNU Lesser General Public License |
| 13 | along with this library; if not, write to the Free Software Foundation, Inc., |
| 14 | 51 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 an AAC audio file in ADTS format |
| 20 | // Implementation |
| 21 | |
| 22 | #include "ADTSAudioFileServerMediaSubsession.hh" |
| 23 | #include "ADTSAudioFileSource.hh" |
| 24 | #include "MPEG4GenericRTPSink.hh" |
| 25 | |
| 26 | ADTSAudioFileServerMediaSubsession* |
| 27 | ADTSAudioFileServerMediaSubsession::createNew(UsageEnvironment& env, |
| 28 | char const* fileName, |
| 29 | Boolean reuseFirstSource) { |
| 30 | return new ADTSAudioFileServerMediaSubsession(env, fileName, reuseFirstSource); |
| 31 | } |
| 32 | |
| 33 | ADTSAudioFileServerMediaSubsession |
| 34 | ::ADTSAudioFileServerMediaSubsession(UsageEnvironment& env, |
| 35 | char const* fileName, Boolean reuseFirstSource) |
| 36 | : FileServerMediaSubsession(env, fileName, reuseFirstSource) { |
| 37 | } |
| 38 | |
| 39 | ADTSAudioFileServerMediaSubsession |
| 40 | ::~ADTSAudioFileServerMediaSubsession() { |
| 41 | } |
| 42 | |
| 43 | FramedSource* ADTSAudioFileServerMediaSubsession |
| 44 | ::createNewStreamSource(unsigned /*clientSessionId*/, unsigned& estBitrate) { |
| 45 | estBitrate = 96; // kbps, estimate |
| 46 | |
| 47 | return ADTSAudioFileSource::createNew(envir(), fFileName); |
| 48 | } |
| 49 | |
| 50 | RTPSink* ADTSAudioFileServerMediaSubsession |
| 51 | ::createNewRTPSink(Groupsock* rtpGroupsock, |
| 52 | unsigned char rtpPayloadTypeIfDynamic, |
| 53 | FramedSource* inputSource) { |
| 54 | ADTSAudioFileSource* adtsSource = (ADTSAudioFileSource*)inputSource; |
| 55 | return MPEG4GenericRTPSink::createNew(envir(), rtpGroupsock, |
| 56 | rtpPayloadTypeIfDynamic, |
| 57 | adtsSource->samplingFrequency(), |
| 58 | "audio" , "AAC-hbr" , adtsSource->configStr(), |
| 59 | adtsSource->numChannels()); |
| 60 | } |
| 61 | |