SDRAngel  4.11.5
Developer docs for <a href="https://github.com/f4exb/sdrangel">SDRangel<\a>, an Open Source Qt5 / OpenGL 3.0+ SDR and signal analyzer frontend to various hardware.
rtcpbyepacket.h
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1 /*
2 
3  This file is a part of JRTPLIB
4  Copyright (c) 1999-2017 Jori Liesenborgs
5 
6  Contact: jori.liesenborgs@gmail.com
7 
8  This library was developed at the Expertise Centre for Digital Media
9  (http://www.edm.uhasselt.be), a research center of the Hasselt University
10  (http://www.uhasselt.be). The library is based upon work done for
11  my thesis at the School for Knowledge Technology (Belgium/The Netherlands).
12 
13  Permission is hereby granted, free of charge, to any person obtaining a
14  copy of this software and associated documentation files (the "Software"),
15  to deal in the Software without restriction, including without limitation
16  the rights to use, copy, modify, merge, publish, distribute, sublicense,
17  and/or sell copies of the Software, and to permit persons to whom the
18  Software is furnished to do so, subject to the following conditions:
19 
20  The above copyright notice and this permission notice shall be included
21  in all copies or substantial portions of the Software.
22 
23  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
24  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
26  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
27  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
28  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
29  IN THE SOFTWARE.
30 
31  */
32 
37 #ifndef RTCPBYEPACKET_H
38 
39 #define RTCPBYEPACKET_H
40 
41 #include "rtpconfig.h"
42 #include "rtcppacket.h"
43 #include "rtpstructs.h"
44 #include "rtpendian.h"
45 
46 #include "export.h"
47 
48 namespace qrtplib
49 {
50 
51 class RTCPCompoundPacket;
52 
55 {
56 public:
62  RTCPBYEPacket(uint8_t *data, std::size_t datalen);
64  {
65  }
66 
68  int GetSSRCCount() const;
69 
73  uint32_t GetSSRC(int index) const; // note: no check is performed to see if index is valid!
74 
76  bool HasReasonForLeaving() const;
77 
79  std::size_t GetReasonLength() const;
80 
82  uint8_t *GetReasonData();
83 
84 private:
86  std::size_t reasonoffset;
87 };
88 
89 inline int RTCPBYEPacket::GetSSRCCount() const
90 {
91  if (!knownformat)
92  return 0;
93 
94  RTCPCommonHeader *hdr = (RTCPCommonHeader *) data;
95  return (int) (hdr->count);
96 }
97 
98 inline uint32_t RTCPBYEPacket::GetSSRC(int index) const
99 {
100  if (!knownformat)
101  return 0;
102  uint32_t *ssrc = (uint32_t *) (data + sizeof(RTCPCommonHeader) + sizeof(uint32_t) * index);
103  return m_endian.qToHost(*ssrc);
104 }
105 
107 {
108  if (!knownformat)
109  return false;
110  if (reasonoffset == 0)
111  return false;
112  return true;
113 }
114 
115 inline std::size_t RTCPBYEPacket::GetReasonLength() const
116 {
117  if (!knownformat)
118  return 0;
119  if (reasonoffset == 0)
120  return 0;
121  uint8_t *reasonlen = (data + reasonoffset);
122  return (std::size_t)(*reasonlen);
123 }
124 
126 {
127  if (!knownformat)
128  return 0;
129  if (reasonoffset == 0)
130  return 0;
131  uint8_t *reasonlen = (data + reasonoffset);
132  if ((*reasonlen) == 0)
133  return 0;
134  return (data + reasonoffset + 1);
135 }
136 
137 } // end namespace
138 
139 #endif // RTCPBYEPACKET_H
140 
std::size_t reasonoffset
Definition: rtcpbyepacket.h:86
uint32_t GetSSRC(int index) const
Definition: rtcpbyepacket.h:98
int GetSSRCCount() const
Definition: rtcpbyepacket.h:89
std::size_t GetReasonLength() const
#define QRTPLIB_API
Definition: export.h:112
unsigned int uint32_t
Definition: rtptypes_win.h:46
unsigned char uint8_t
Definition: rtptypes_win.h:42
bool HasReasonForLeaving() const