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// RTP sink for DV video (RFC 3189)
19// (Thanks to Ben Hutchings for prototyping this.)
20// C++ header
21
22#ifndef _DV_VIDEO_RTP_SINK_HH
23#define _DV_VIDEO_RTP_SINK_HH
24
25#ifndef _VIDEO_RTP_SINK_HH
26#include "VideoRTPSink.hh"
27#endif
28#ifndef _DV_VIDEO_STREAM_FRAMER_HH
29#include "DVVideoStreamFramer.hh"
30#endif
31
32class DVVideoRTPSink: public VideoRTPSink {
33public:
34 static DVVideoRTPSink* createNew(UsageEnvironment& env, Groupsock* RTPgs, unsigned char rtpPayloadFormat);
35 char const* auxSDPLineFromFramer(DVVideoStreamFramer* framerSource);
36
37protected:
38 DVVideoRTPSink(UsageEnvironment& env, Groupsock* RTPgs, unsigned char rtpPayloadFormat);
39 // called only by createNew()
40
41 virtual ~DVVideoRTPSink();
42
43private: // redefined virtual functions:
44 virtual Boolean sourceIsCompatibleWithUs(MediaSource& source);
45 virtual void doSpecialFrameHandling(unsigned fragmentationOffset,
46 unsigned char* frameStart,
47 unsigned numBytesInFrame,
48 struct timeval framePresentationTime,
49 unsigned numRemainingBytes);
50 virtual unsigned computeOverflowForNewFrame(unsigned newFrameSize) const;
51 virtual char const* auxSDPLine();
52
53private:
54 char* fFmtpSDPLine;
55};
56
57#endif
58