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) 1996-2013 Live Networks, Inc. All rights reserved. 00018 // A media track, demultiplexed from a Matroska file 00019 // C++ header 00020 00021 #ifndef _MATROSKA_DEMUXED_TRACK_HH 00022 #define _MATROSKA_DEMUXED_TRACK_HH 00023 00024 #ifndef _FRAMED_SOURCE_HH 00025 #include "FramedSource.hh" 00026 #endif 00027 00028 class MatroskaDemux; // forward 00029 00030 class MatroskaDemuxedTrack: public FramedSource { 00031 public: 00032 void seekToTime(double& seekNPT); 00033 00034 private: // We are created only by a MatroskaDemux (a friend) 00035 friend class MatroskaDemux; 00036 MatroskaDemuxedTrack(UsageEnvironment& env, unsigned trackNumber, MatroskaDemux& sourceDemux); 00037 virtual ~MatroskaDemuxedTrack(); 00038 00039 private: 00040 // redefined virtual functions: 00041 virtual void doGetNextFrame(); 00042 virtual char const* MIMEtype() const; 00043 00044 private: // We are accessed only by MatroskaDemux and by MatroskaFileParser (a friend) 00045 friend class MatroskaFileParser; 00046 unsigned char* to() { return fTo; } 00047 unsigned maxSize() { return fMaxSize; } 00048 unsigned& frameSize() { return fFrameSize; } 00049 unsigned& numTruncatedBytes() { return fNumTruncatedBytes; } 00050 struct timeval& presentationTime() { return fPresentationTime; } 00051 unsigned& durationInMicroseconds() { return fDurationInMicroseconds; } 00052 00053 struct timeval& prevPresentationTime() { return fPrevPresentationTime; } 00054 int& durationImbalance() { return fDurationImbalance; } 00055 00056 private: 00057 unsigned fOurTrackNumber; 00058 MatroskaDemux& fOurSourceDemux; 00059 struct timeval fPrevPresentationTime; 00060 int fDurationImbalance; 00061 }; 00062 00063 #endif
1.5.2