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// H.264 Video RTP Sources
19// C++ header
20
21#ifndef _H264_VIDEO_RTP_SOURCE_HH
22#define _H264_VIDEO_RTP_SOURCE_HH
23
24#ifndef _MULTI_FRAMED_RTP_SOURCE_HH
25#include "MultiFramedRTPSource.hh"
26#endif
27
28class H264VideoRTPSource: public MultiFramedRTPSource {
29public:
30 static H264VideoRTPSource*
31 createNew(UsageEnvironment& env, Groupsock* RTPgs,
32 unsigned char rtpPayloadFormat,
33 unsigned rtpTimestampFrequency = 90000);
34
35protected:
36 H264VideoRTPSource(UsageEnvironment& env, Groupsock* RTPgs,
37 unsigned char rtpPayloadFormat,
38 unsigned rtpTimestampFrequency);
39 // called only by createNew()
40
41 virtual ~H264VideoRTPSource();
42
43protected:
44 // redefined virtual functions:
45 virtual Boolean processSpecialHeader(BufferedPacket* packet,
46 unsigned& resultSpecialHeaderSize);
47 virtual char const* MIMEtype() const;
48
49private:
50 friend class H264BufferedPacket;
51 unsigned char fCurPacketNALUnitType;
52};
53
54class SPropRecord {
55public:
56 ~SPropRecord() { delete[] sPropBytes; }
57
58 unsigned sPropLength; // in bytes
59 unsigned char* sPropBytes;
60};
61
62SPropRecord* parseSPropParameterSets(char const* sPropParameterSetsStr,
63 // result parameter:
64 unsigned& numSPropRecords);
65 // Returns the binary value of each 'parameter set' specified in a
66 // "sprop-parameter-sets" string (in the SDP description for a H.264/RTP stream).
67 // The value is returned as an array (length "numSPropRecords") of "SPropRecord"s.
68 // This array is dynamically allocated by this routine, and must be delete[]d by the caller.
69
70#endif
71