00001 /********** 00002 This library is free software; you can redistribute it and/or modify it under 00003 the terms of the GNU Lesser General Public License as published by the 00004 Free Software Foundation; either version 2.1 of the License, or (at your 00005 option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.) 00006 00007 This library is distributed in the hope that it will be useful, but WITHOUT 00008 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 00009 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for 00010 more details. 00011 00012 You should have received a copy of the GNU Lesser General Public License 00013 along with this library; if not, write to the Free Software Foundation, Inc., 00014 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00015 **********/ 00016 // "liveMedia" 00017 // Copyright (c) 1996-2012 Live Networks, Inc. All rights reserved. 00018 // A 'ServerMediaSubsession' object that creates new, unicast, "RTPSink"s 00019 // on demand, from an text (subtitle) track within a Matroska file. 00020 // C++ header 00021 00022 #ifndef _T140_TEXT_MATROSKA_FILE_SERVER_MEDIA_SUBSESSION_HH 00023 #define _T140_TEXT_MATROSKA_FILE_SERVER_MEDIA_SUBSESSION_HH 00024 00025 #ifndef _FILE_SERVER_MEDIA_SUBSESSION_HH 00026 #include "FileServerMediaSubsession.hh" 00027 #endif 00028 #ifndef _MATROSKA_FILE_SERVER_DEMUX_HH 00029 #include "MatroskaFileServerDemux.hh" 00030 #endif 00031 00032 class T140TextMatroskaFileServerMediaSubsession: public FileServerMediaSubsession { 00033 public: 00034 static T140TextMatroskaFileServerMediaSubsession* 00035 createNew(MatroskaFileServerDemux& demux, unsigned trackNumber); 00036 00037 private: 00038 T140TextMatroskaFileServerMediaSubsession(MatroskaFileServerDemux& demux, unsigned trackNumber); 00039 // called only by createNew(); 00040 virtual ~T140TextMatroskaFileServerMediaSubsession(); 00041 00042 private: // redefined virtual functions 00043 virtual float duration() const; 00044 virtual void seekStreamSource(FramedSource* inputSource, double& seekNPT, double streamDuration, u_int64_t& numBytes); 00045 virtual FramedSource* createNewStreamSource(unsigned clientSessionId, 00046 unsigned& estBitrate); 00047 virtual RTPSink* createNewRTPSink(Groupsock* rtpGroupsock, unsigned char rtpPayloadTypeIfDynamic, FramedSource* inputSource); 00048 00049 private: 00050 MatroskaFileServerDemux& fOurDemux; 00051 unsigned fTrackNumber; 00052 }; 00053 00054 #endif
1.5.2