sdk-hwV1.3/external/eyesee-mpp/system/private/rtsp/liveMedia/AC3AudioFileServerMediaSubs...

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/**********
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());
}