| /********** |
| 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 media track, demultiplexed from a Matroska file |
| // C++ header |
| |
| #ifndef _MATROSKA_DEMUXED_TRACK_HH |
| #define _MATROSKA_DEMUXED_TRACK_HH |
| |
| #ifndef _FRAMED_SOURCE_HH |
| #include "FramedSource.hh" |
| #endif |
| |
| class MatroskaDemux; // forward |
| |
| class MatroskaDemuxedTrack: public FramedSource { |
| public: |
| void seekToTime(double& seekNPT); |
| |
| private: // We are created only by a MatroskaDemux (a friend) |
| friend class MatroskaDemux; |
| MatroskaDemuxedTrack(UsageEnvironment& env, unsigned trackNumber, MatroskaDemux& sourceDemux); |
| virtual ~MatroskaDemuxedTrack(); |
| |
| private: |
| // redefined virtual functions: |
| virtual void doGetNextFrame(); |
| virtual char const* MIMEtype() const; |
| |
| private: // We are accessed only by MatroskaDemux and by MatroskaFileParser (a friend) |
| friend class MatroskaFileParser; |
| unsigned char* to() { return fTo; } |
| unsigned maxSize() { return fMaxSize; } |
| unsigned& frameSize() { return fFrameSize; } |
| unsigned& numTruncatedBytes() { return fNumTruncatedBytes; } |
| struct timeval& presentationTime() { return fPresentationTime; } |
| unsigned& durationInMicroseconds() { return fDurationInMicroseconds; } |
| |
| struct timeval& prevPresentationTime() { return fPrevPresentationTime; } |
| int& durationImbalance() { return fDurationImbalance; } |
| |
| private: |
| unsigned fOurTrackNumber; |
| MatroskaDemux& fOurSourceDemux; |
| struct timeval fPrevPresentationTime; |
| int fDurationImbalance; |
| unsigned fOpusTrackNumber; // hack for Opus audio |
| }; |
| |
| #endif |