| /********** |
| 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) 1996-2020 Live Networks, Inc. All rights reserved. |
| // A 'ServerMediaSubsession' object that creates new, unicast, "RTPSink"s |
| // on demand, from a MPEG-1 or 2 demuxer. |
| // C++ header |
| |
| #ifndef _MPEG_1OR2_DEMUXED_SERVER_MEDIA_SUBSESSION_HH |
| #define _MPEG_1OR2_DEMUXED_SERVER_MEDIA_SUBSESSION_HH |
| |
| #ifndef _ON_DEMAND_SERVER_MEDIA_SUBSESSION_HH |
| #include "OnDemandServerMediaSubsession.hh" |
| #endif |
| #ifndef _MPEG_1OR2_FILE_SERVER_DEMUX_HH |
| #include "MPEG1or2FileServerDemux.hh" |
| #endif |
| |
| class MPEG1or2DemuxedServerMediaSubsession: public OnDemandServerMediaSubsession{ |
| public: |
| static MPEG1or2DemuxedServerMediaSubsession* |
| createNew(MPEG1or2FileServerDemux& demux, u_int8_t streamIdTag, |
| Boolean reuseFirstSource, |
| Boolean iFramesOnly = False, double vshPeriod = 5.0); |
| // The last two parameters are relevant for video streams only |
| |
| private: |
| MPEG1or2DemuxedServerMediaSubsession(MPEG1or2FileServerDemux& demux, |
| u_int8_t streamIdTag, Boolean reuseFirstSource, |
| Boolean iFramesOnly, double vshPeriod); |
| // called only by createNew(); |
| virtual ~MPEG1or2DemuxedServerMediaSubsession(); |
| |
| private: // redefined virtual functions |
| virtual void seekStreamSource(FramedSource* inputSource, double& seekNPT, double streamDuration, u_int64_t& numBytes); |
| virtual FramedSource* createNewStreamSource(unsigned clientSessionId, |
| unsigned& estBitrate); |
| virtual RTPSink* createNewRTPSink(Groupsock* rtpGroupsock, |
| unsigned char rtpPayloadTypeIfDynamic, |
| FramedSource* inputSource); |
| virtual float duration() const; |
| |
| private: |
| MPEG1or2FileServerDemux& fOurDemux; |
| u_int8_t fStreamIdTag; |
| Boolean fIFramesOnly; // for video streams |
| double fVSHPeriod; // for video streams |
| }; |
| |
| #endif |