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 MPEG-4 Elementary Stream video (RFC 3016)
19// C++ header
20
21#ifndef _MPEG4ES_VIDEO_RTP_SINK_HH
22#define _MPEG4ES_VIDEO_RTP_SINK_HH
23
24#ifndef _VIDEO_RTP_SINK_HH
25#include "VideoRTPSink.hh"
26#endif
27
28class MPEG4ESVideoRTPSink: public VideoRTPSink {
29public:
30 static MPEG4ESVideoRTPSink* createNew(UsageEnvironment& env,
31 Groupsock* RTPgs, unsigned char rtpPayloadFormat,
32 u_int32_t rtpTimestampFrequency = 90000);
33 static MPEG4ESVideoRTPSink* createNew(UsageEnvironment& env,
34 Groupsock* RTPgs, unsigned char rtpPayloadFormat, u_int32_t rtpTimestampFrequency,
35 u_int8_t profileAndLevelIndication, char const* configStr);
36 // an optional variant of "createNew()", useful if we know, in advance, the stream's 'configuration' info.
37
38
39protected:
40 MPEG4ESVideoRTPSink(UsageEnvironment& env, Groupsock* RTPgs, unsigned char rtpPayloadFormat, u_int32_t rtpTimestampFrequency,
41 u_int8_t profileAndLevelIndication = 0, char const* configStr = NULL);
42 // called only by createNew()
43
44 virtual ~MPEG4ESVideoRTPSink();
45
46protected: // redefined virtual functions:
47 virtual Boolean sourceIsCompatibleWithUs(MediaSource& source);
48
49 virtual void doSpecialFrameHandling(unsigned fragmentationOffset,
50 unsigned char* frameStart,
51 unsigned numBytesInFrame,
52 struct timeval framePresentationTime,
53 unsigned numRemainingBytes);
54 virtual Boolean allowFragmentationAfterStart() const;
55 virtual Boolean
56 frameCanAppearAfterPacketStart(unsigned char const* frameStart,
57 unsigned numBytesInFrame) const;
58
59 virtual char const* auxSDPLine();
60
61protected:
62 Boolean fVOPIsPresent;
63
64private:
65 u_int8_t fProfileAndLevelIndication;
66 unsigned char* fConfigBytes;
67 unsigned fNumConfigBytes;
68
69 char* fFmtpSDPLine;
70};
71
72#endif
73