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 an Ogg file
19// Implementation
20
21#include "OggDemuxedTrack.hh"
22#include "OggFile.hh"
23
24OggDemuxedTrack::OggDemuxedTrack(UsageEnvironment& env, unsigned trackNumber, OggDemux& sourceDemux)
25 : FramedSource(env),
26 fOurTrackNumber(trackNumber), fOurSourceDemux(sourceDemux),
27 fCurrentPageIsContinuation(False) {
28 fNextPresentationTime.tv_sec = 0; fNextPresentationTime.tv_usec = 0;
29}
30
31OggDemuxedTrack::~OggDemuxedTrack() {
32 fOurSourceDemux.removeTrack(fOurTrackNumber);
33}
34
35void OggDemuxedTrack::doGetNextFrame() {
36 fOurSourceDemux.continueReading();
37}
38
39char const* OggDemuxedTrack::MIMEtype() const {
40 OggTrack* track = fOurSourceDemux.fOurFile.lookup(fOurTrackNumber);
41 if (track == NULL) return "(unknown)"; // shouldn't happen
42 return track->mimeType;
43}
44