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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 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 server demultiplexor for an Ogg file |
| | | // C++ header |
| | | |
| | | #ifndef _OGG_FILE_SERVER_DEMUX_HH |
| | | #define _OGG_FILE_SERVER_DEMUX_HH |
| | | |
| | | #ifndef _SERVER_MEDIA_SESSION_HH |
| | | #include "ServerMediaSession.hh" |
| | | #endif |
| | | |
| | | #ifndef _OGG_FILE_HH |
| | | #include "OggFile.hh" |
| | | #endif |
| | | |
| | | class OggFileServerDemux: public Medium { |
| | | public: |
| | | typedef void (onCreationFunc)(OggFileServerDemux* newDemux, void* clientData); |
| | | static void createNew(UsageEnvironment& env, char const* fileName, |
| | | onCreationFunc* onCreation, void* onCreationClientData); |
| | | // Note: Unlike most "createNew()" functions, this one doesn't return a new object immediately. Instead, because this class |
| | | // requires file reading (to parse the Ogg 'Track' headers) before a new object can be initialized, the creation of a new |
| | | // object is signalled by calling - from the event loop - an 'onCreationFunc' that is passed as a parameter to "createNew()". |
| | | |
| | | ServerMediaSubsession* newServerMediaSubsession(); |
| | | ServerMediaSubsession* newServerMediaSubsession(u_int32_t& resultTrackNumber); |
| | | // Returns a new "ServerMediaSubsession" object that represents the next media track |
| | | // from the file. This function returns NULL when no more media tracks exist. |
| | | |
| | | ServerMediaSubsession* newServerMediaSubsessionByTrackNumber(u_int32_t trackNumber); |
| | | // As above, but creates a new "ServerMediaSubsession" object for a specific track number |
| | | // within the Ogg file. |
| | | // (You should not call this function more than once with the same track number.) |
| | | |
| | | // The following public: member functions are called only by the "ServerMediaSubsession" objects: |
| | | |
| | | OggFile* ourOggFile() { return fOurOggFile; } |
| | | char const* fileName() const { return fFileName; } |
| | | |
| | | FramedSource* newDemuxedTrack(unsigned clientSessionId, u_int32_t trackNumber); |
| | | // Used by the "ServerMediaSubsession" objects to implement their "createNewStreamSource()" virtual function. |
| | | |
| | | private: |
| | | OggFileServerDemux(UsageEnvironment& env, char const* fileName, |
| | | onCreationFunc* onCreation, void* onCreationClientData); |
| | | // called only by createNew() |
| | | virtual ~OggFileServerDemux(); |
| | | |
| | | static void onOggFileCreation(OggFile* newFile, void* clientData); |
| | | void onOggFileCreation(OggFile* newFile); |
| | | private: |
| | | char const* fFileName; |
| | | onCreationFunc* fOnCreation; |
| | | void* fOnCreationClientData; |
| | | OggFile* fOurOggFile; |
| | | |
| | | // Used to implement "newServerMediaSubsession()": |
| | | OggTrackTableIterator* fIter; |
| | | |
| | | // Used to set up demuxing, to implement "newDemuxedTrack()": |
| | | unsigned fLastClientSessionId; |
| | | OggDemux* fLastCreatedDemux; |
| | | }; |
| | | |
| | | #endif |