1 | /********** |
2 | This library is free software; you can redistribute it and/or modify it under |
3 | the terms of the GNU Lesser General Public License as published by the |
4 | Free Software Foundation; either version 3 of the License, or (at your |
5 | option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.) |
6 | |
7 | This library is distributed in the hope that it will be useful, but WITHOUT |
8 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
9 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for |
10 | more details. |
11 | |
12 | You should have received a copy of the GNU Lesser General Public License |
13 | along with this library; if not, write to the Free Software Foundation, Inc., |
14 | 51 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 | // C++ header |
20 | |
21 | #ifndef _OGG_DEMUXED_TRACK_HH |
22 | #define _OGG_DEMUXED_TRACK_HH |
23 | |
24 | #ifndef _FRAMED_SOURCE_HH |
25 | #include "FramedSource.hh" |
26 | #endif |
27 | |
28 | class OggDemux; // forward |
29 | |
30 | class OggDemuxedTrack: public FramedSource { |
31 | private: // We are created only by a OggDemux (a friend) |
32 | friend class OggDemux; |
33 | OggDemuxedTrack(UsageEnvironment& env, unsigned trackNumber, OggDemux& sourceDemux); |
34 | virtual ~OggDemuxedTrack(); |
35 | |
36 | private: |
37 | // redefined virtual functions: |
38 | virtual void doGetNextFrame(); |
39 | virtual char const* MIMEtype() const; |
40 | |
41 | private: // We are accessed only by OggDemux and by OggFileParser (a friend) |
42 | friend class OggFileParser; |
43 | unsigned char*& to() { return fTo; } |
44 | unsigned& maxSize() { return fMaxSize; } |
45 | unsigned& frameSize() { return fFrameSize; } |
46 | unsigned& numTruncatedBytes() { return fNumTruncatedBytes; } |
47 | struct timeval& presentationTime() { return fPresentationTime; } |
48 | unsigned& durationInMicroseconds() { return fDurationInMicroseconds; } |
49 | struct timeval& nextPresentationTime() { return fNextPresentationTime; } |
50 | |
51 | private: |
52 | unsigned fOurTrackNumber; |
53 | OggDemux& fOurSourceDemux; |
54 | Boolean fCurrentPageIsContinuation; |
55 | struct timeval fNextPresentationTime; |
56 | }; |
57 | |
58 | #endif |
59 | |