/**********
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This library is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by the
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Free Software Foundation; either version 3 of the License, or (at your
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option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)
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This library is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
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more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this library; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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**********/
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// "liveMedia"
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// Copyright (c) 1996-2017 Live Networks, Inc. All rights reserved.
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// A media track, demultiplexed from a Matroska file
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// C++ header
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#ifndef _MATROSKA_DEMUXED_TRACK_HH
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#define _MATROSKA_DEMUXED_TRACK_HH
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#ifndef _FRAMED_SOURCE_HH
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#include "FramedSource.hh"
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#endif
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class MatroskaDemux; // forward
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class MatroskaDemuxedTrack: public FramedSource {
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public:
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void seekToTime(double& seekNPT);
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private: // We are created only by a MatroskaDemux (a friend)
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friend class MatroskaDemux;
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MatroskaDemuxedTrack(UsageEnvironment& env, unsigned trackNumber, MatroskaDemux& sourceDemux);
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virtual ~MatroskaDemuxedTrack();
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private:
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// redefined virtual functions:
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virtual void doGetNextFrame();
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virtual char const* MIMEtype() const;
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private: // We are accessed only by MatroskaDemux and by MatroskaFileParser (a friend)
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friend class MatroskaFileParser;
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unsigned char* to() { return fTo; }
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unsigned maxSize() { return fMaxSize; }
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unsigned& frameSize() { return fFrameSize; }
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unsigned& numTruncatedBytes() { return fNumTruncatedBytes; }
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struct timeval& presentationTime() { return fPresentationTime; }
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unsigned& durationInMicroseconds() { return fDurationInMicroseconds; }
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struct timeval& prevPresentationTime() { return fPrevPresentationTime; }
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int& durationImbalance() { return fDurationImbalance; }
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private:
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unsigned fOurTrackNumber;
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MatroskaDemux& fOurSourceDemux;
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struct timeval fPrevPresentationTime;
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int fDurationImbalance;
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unsigned fOpusTrackNumber; // hack for Opus audio
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};
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#endif
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