| New file |
| | |
|---|
| | | /********** |
|---|
| | | 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 3 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) 1996-2017 Live Networks, Inc. All rights reserved. |
|---|
| | | // A 'ServerMediaSubsession' object that creates new, unicast, "RTPSink"s |
|---|
| | | // on demand, from an MP3 audio file. |
|---|
| | | // (Actually, any MPEG-1 or MPEG-2 audio file should work.) |
|---|
| | | // C++ header |
|---|
| | | |
|---|
| | | #ifndef _MP3_AUDIO_FILE_SERVER_MEDIA_SUBSESSION_HH |
|---|
| | | #define _MP3_AUDIO_FILE_SERVER_MEDIA_SUBSESSION_HH |
|---|
| | | |
|---|
| | | #ifndef _FILE_SERVER_MEDIA_SUBSESSION_HH |
|---|
| | | #include "FileServerMediaSubsession.hh" |
|---|
| | | #endif |
|---|
| | | #ifndef _MP3_ADU_INTERLEAVING_HH |
|---|
| | | #include "MP3ADUinterleaving.hh" |
|---|
| | | #endif |
|---|
| | | #ifndef _MP3_ADU_HH |
|---|
| | | #include "MP3ADU.hh" |
|---|
| | | #endif |
|---|
| | | |
|---|
| | | class MP3AudioFileServerMediaSubsession: public FileServerMediaSubsession{ |
|---|
| | | public: |
|---|
| | | static MP3AudioFileServerMediaSubsession* |
|---|
| | | createNew(UsageEnvironment& env, char const* fileName, Boolean reuseFirstSource, |
|---|
| | | Boolean generateADUs, Interleaving* interleaving); |
|---|
| | | // Note: "interleaving" is used only if "generateADUs" is True, |
|---|
| | | // (and a value of NULL means 'no interleaving') |
|---|
| | | |
|---|
| | | protected: |
|---|
| | | MP3AudioFileServerMediaSubsession(UsageEnvironment& env, |
|---|
| | | char const* fileName, Boolean reuseFirstSource, |
|---|
| | | Boolean generateADUs, |
|---|
| | | Interleaving* interleaving); |
|---|
| | | // called only by createNew(); |
|---|
| | | virtual ~MP3AudioFileServerMediaSubsession(); |
|---|
| | | |
|---|
| | | FramedSource* createNewStreamSourceCommon(FramedSource* baseMP3Source, unsigned mp3NumBytes, unsigned& estBitrate); |
|---|
| | | void getBaseStreams(FramedSource* frontStream, |
|---|
| | | FramedSource*& sourceMP3Stream, ADUFromMP3Source*& aduStream/*if any*/); |
|---|
| | | |
|---|
| | | protected: // redefined virtual functions |
|---|
| | | virtual void seekStreamSource(FramedSource* inputSource, double& seekNPT, double streamDuration, u_int64_t& numBytes); |
|---|
| | | virtual void setStreamSourceScale(FramedSource* inputSource, float scale); |
|---|
| | | virtual FramedSource* createNewStreamSource(unsigned clientSessionId, |
|---|
| | | unsigned& estBitrate); |
|---|
| | | virtual RTPSink* createNewRTPSink(Groupsock* rtpGroupsock, |
|---|
| | | unsigned char rtpPayloadTypeIfDynamic, |
|---|
| | | FramedSource* inputSource); |
|---|
| | | virtual void testScaleFactor(float& scale); |
|---|
| | | virtual float duration() const; |
|---|
| | | |
|---|
| | | protected: |
|---|
| | | Boolean fGenerateADUs; |
|---|
| | | Interleaving* fInterleaving; |
|---|
| | | float fFileDuration; |
|---|
| | | }; |
|---|
| | | |
|---|
| | | #endif |
|---|
