1/**********
2This library is free software; you can redistribute it and/or modify it under
3the terms of the GNU Lesser General Public License as published by the
4Free Software Foundation; either version 3 of the License, or (at your
5option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)
6
7This library is distributed in the hope that it will be useful, but WITHOUT
8ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
9FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
10more details.
11
12You should have received a copy of the GNU Lesser General Public License
13along with this library; if not, write to the Free Software Foundation, Inc.,
1451 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
15**********/
16// "liveMedia"
17// Copyright (c) 1996-2020 Live Networks, Inc. All rights reserved.
18// A media track, demultiplexed from a Matroska file
19// Implementation
20
21#include "MatroskaDemuxedTrack.hh"
22#include "MatroskaFile.hh"
23
24void MatroskaDemuxedTrack::seekToTime(double& seekNPT) {
25 fOurSourceDemux.seekToTime(seekNPT);
26}
27
28MatroskaDemuxedTrack::MatroskaDemuxedTrack(UsageEnvironment& env, unsigned trackNumber, MatroskaDemux& sourceDemux)
29 : FramedSource(env),
30 fOurTrackNumber(trackNumber), fOurSourceDemux(sourceDemux), fDurationImbalance(0),
31 fOpusTrackNumber(0) {
32 fPrevPresentationTime.tv_sec = 0; fPrevPresentationTime.tv_usec = 0;
33}
34
35MatroskaDemuxedTrack::~MatroskaDemuxedTrack() {
36 fOurSourceDemux.removeTrack(fOurTrackNumber);
37}
38
39void MatroskaDemuxedTrack::doGetNextFrame() {
40 fOurSourceDemux.continueReading();
41}
42
43char const* MatroskaDemuxedTrack::MIMEtype() const {
44 MatroskaTrack* track = fOurSourceDemux.fOurFile.lookup(fOurTrackNumber);
45 if (track == NULL) return "(unknown)"; // shouldn't happen
46 return track->mimeType;
47}
48