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.261 Video RTP Sources
19// C++ header
20
21#ifndef _H261_VIDEO_RTP_SOURCE_HH
22#define _H261_VIDEO_RTP_SOURCE_HH
23
24#ifndef _MULTI_FRAMED_RTP_SOURCE_HH
25#include "MultiFramedRTPSource.hh"
26#endif
27
28class H261VideoRTPSource: public MultiFramedRTPSource {
29public:
30 static H261VideoRTPSource*
31 createNew(UsageEnvironment& env, Groupsock* RTPgs,
32 unsigned char rtpPayloadFormat = 31,
33 unsigned rtpTimestampFrequency = 90000);
34
35 u_int32_t lastSpecialHeader() const {return fLastSpecialHeader;}
36
37protected:
38 virtual ~H261VideoRTPSource();
39
40private:
41 H261VideoRTPSource(UsageEnvironment& env, Groupsock* RTPgs,
42 unsigned char rtpPayloadFormat,
43 unsigned rtpTimestampFrequency);
44 // called only by createNew()
45
46private:
47 // redefined virtual functions:
48 virtual Boolean processSpecialHeader(BufferedPacket* packet,
49 unsigned& resultSpecialHeaderSize);
50 virtual char const* MIMEtype() const;
51
52private:
53 u_int32_t fLastSpecialHeader;
54};
55
56#endif
57