62 lines
2.4 KiB
C++
62 lines
2.4 KiB
C++
|
/**********
|
||
|
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) 1996-2016 Live Networks, Inc. All rights reserved.
|
||
|
// A 'ServerMediaSubsession' object that creates new, unicast, "RTPSink"s
|
||
|
// on demand, from an AC3 audio file.
|
||
|
// Implementation
|
||
|
|
||
|
#include "AC3AudioFileServerMediaSubsession.hh"
|
||
|
#include "ByteStreamFileSource.hh"
|
||
|
#include "AC3AudioStreamFramer.hh"
|
||
|
#include "AC3AudioRTPSink.hh"
|
||
|
|
||
|
AC3AudioFileServerMediaSubsession*
|
||
|
AC3AudioFileServerMediaSubsession::createNew(UsageEnvironment& env,
|
||
|
char const* fileName,
|
||
|
Boolean reuseFirstSource) {
|
||
|
return new AC3AudioFileServerMediaSubsession(env, fileName, reuseFirstSource);
|
||
|
}
|
||
|
|
||
|
AC3AudioFileServerMediaSubsession
|
||
|
::AC3AudioFileServerMediaSubsession(UsageEnvironment& env,
|
||
|
char const* fileName, Boolean reuseFirstSource)
|
||
|
: FileServerMediaSubsession(env, fileName, reuseFirstSource) {
|
||
|
}
|
||
|
|
||
|
AC3AudioFileServerMediaSubsession::~AC3AudioFileServerMediaSubsession() {
|
||
|
}
|
||
|
|
||
|
FramedSource* AC3AudioFileServerMediaSubsession
|
||
|
::createNewStreamSource(unsigned /*clientSessionId*/, unsigned& estBitrate) {
|
||
|
estBitrate = 48; // kbps, estimate
|
||
|
|
||
|
ByteStreamFileSource* fileSource = ByteStreamFileSource::createNew(envir(), fFileName);
|
||
|
if (fileSource == NULL) return NULL;
|
||
|
|
||
|
return AC3AudioStreamFramer::createNew(envir(), fileSource);
|
||
|
}
|
||
|
|
||
|
RTPSink* AC3AudioFileServerMediaSubsession
|
||
|
::createNewRTPSink(Groupsock* rtpGroupsock,
|
||
|
unsigned char rtpPayloadTypeIfDynamic,
|
||
|
FramedSource* inputSource) {
|
||
|
AC3AudioStreamFramer* audioSource = (AC3AudioStreamFramer*)inputSource;
|
||
|
return AC3AudioRTPSink::createNew(envir(), rtpGroupsock,
|
||
|
rtpPayloadTypeIfDynamic,
|
||
|
audioSource->samplingRate());
|
||
|
}
|