74 lines
2.9 KiB
C++
Executable File
74 lines
2.9 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) 1996-2015 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 file.
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// (Actually, any MPEG-1 or MPEG-2 audio file should work.)
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// C++ header
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#ifndef _MP3_AUDIO_FILE_SERVER_MEDIA_SUBSESSION_HH
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#define _MP3_AUDIO_FILE_SERVER_MEDIA_SUBSESSION_HH
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#ifndef _FILE_SERVER_MEDIA_SUBSESSION_HH
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#include "FileServerMediaSubsession.hh"
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#endif
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#ifndef _MP3_ADU_INTERLEAVING_HH
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#include "MP3ADUinterleaving.hh"
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#endif
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#ifndef _MP3_ADU_HH
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#include "MP3ADU.hh"
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#endif
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class MP3AudioFileServerMediaSubsession: public FileServerMediaSubsession{
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public:
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static MP3AudioFileServerMediaSubsession*
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createNew(UsageEnvironment& env, char const* fileName, Boolean reuseFirstSource,
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Boolean generateADUs, Interleaving* interleaving);
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// Note: "interleaving" is used only if "generateADUs" is True,
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// (and a value of NULL means 'no interleaving')
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protected:
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MP3AudioFileServerMediaSubsession(UsageEnvironment& env,
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char const* fileName, Boolean reuseFirstSource,
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Boolean generateADUs,
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Interleaving* interleaving);
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// called only by createNew();
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virtual ~MP3AudioFileServerMediaSubsession();
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FramedSource* createNewStreamSourceCommon(FramedSource* baseMP3Source, unsigned mp3NumBytes, unsigned& estBitrate);
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void getBaseStreams(FramedSource* frontStream,
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FramedSource*& sourceMP3Stream, ADUFromMP3Source*& aduStream/*if any*/);
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protected: // redefined virtual functions
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virtual void seekStreamSource(FramedSource* inputSource, double& seekNPT, double streamDuration, u_int64_t& numBytes);
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virtual void setStreamSourceScale(FramedSource* inputSource, float scale);
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virtual FramedSource* createNewStreamSource(unsigned clientSessionId,
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unsigned& estBitrate);
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virtual RTPSink* createNewRTPSink(Groupsock* rtpGroupsock,
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unsigned char rtpPayloadTypeIfDynamic,
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FramedSource* inputSource);
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virtual void testScaleFactor(float& scale);
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virtual float duration() const;
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protected:
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Boolean fGenerateADUs;
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Interleaving* fInterleaving;
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float fFileDuration;
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};
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#endif
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