liveMedia/OggDemuxedTrack.cpp

/**********
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FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for
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**********/
// "liveMedia"
// Copyright (c) 1996-2020 Live Networks, Inc.  All rights reserved.
// A media track, demultiplexed from an Ogg file
// Implementation

#include "OggDemuxedTrack.hh"
#include "OggFile.hh"

OggDemuxedTrack::OggDemuxedTrack(UsageEnvironment& env, unsigned trackNumber, OggDemux& sourceDemux)
  : FramedSource(env),
    fOurTrackNumber(trackNumber), fOurSourceDemux(sourceDemux),
    fCurrentPageIsContinuation(False) {
  fNextPresentationTime.tv_sec = 0; fNextPresentationTime.tv_usec = 0;
}

OggDemuxedTrack::~OggDemuxedTrack() {
  fOurSourceDemux.removeTrack(fOurTrackNumber);
}

void OggDemuxedTrack::doGetNextFrame() {
  fOurSourceDemux.continueReading();
}

char const* OggDemuxedTrack::MIMEtype() const {
  OggTrack* track = fOurSourceDemux.fOurFile.lookup(fOurTrackNumber);
  if (track == NULL) return "(unknown)"; // shouldn't happen
  return track->mimeType;
}