jrtplib
3.7.1
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00001 /* 00002 00003 This file is a part of JRTPLIB 00004 Copyright (c) 1999-2007 Jori Liesenborgs 00005 00006 Contact: jori.liesenborgs@gmail.com 00007 00008 This library was developed at the "Expertisecentrum Digitale Media" 00009 (http://www.edm.uhasselt.be), a research center of the Hasselt University 00010 (http://www.uhasselt.be). The library is based upon work done for 00011 my thesis at the School for Knowledge Technology (Belgium/The Netherlands). 00012 00013 Permission is hereby granted, free of charge, to any person obtaining a 00014 copy of this software and associated documentation files (the "Software"), 00015 to deal in the Software without restriction, including without limitation 00016 the rights to use, copy, modify, merge, publish, distribute, sublicense, 00017 and/or sell copies of the Software, and to permit persons to whom the 00018 Software is furnished to do so, subject to the following conditions: 00019 00020 The above copyright notice and this permission notice shall be included 00021 in all copies or substantial portions of the Software. 00022 00023 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 00024 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00025 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 00026 THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 00027 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 00028 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 00029 IN THE SOFTWARE. 00030 00031 */ 00032 00037 #ifndef RTCPBYEPACKET_H 00038 00039 #define RTCPBYEPACKET_H 00040 00041 #include "rtpconfig.h" 00042 #include "rtcppacket.h" 00043 #include "rtpstructs.h" 00044 #if ! (defined(WIN32) || defined (_WIN32_WCE)) 00045 #include <netinet/in.h> 00046 #endif // WIN32 00047 00048 class RTCPCompoundPacket; 00049 00051 class RTCPBYEPacket : public RTCPPacket 00052 { 00053 public: 00059 RTCPBYEPacket(uint8_t *data,size_t datalen); 00060 ~RTCPBYEPacket() { } 00061 00063 int GetSSRCCount() const; 00064 00068 uint32_t GetSSRC(int index) const; // note: no check is performed to see if index is valid! 00069 00071 bool HasReasonForLeaving() const; 00072 00074 size_t GetReasonLength() const; 00075 00077 uint8_t *GetReasonData(); 00078 00079 #ifdef RTPDEBUG 00080 void Dump(); 00081 #endif // RTPDEBUG 00082 private: 00083 size_t reasonoffset; 00084 }; 00085 00086 inline int RTCPBYEPacket::GetSSRCCount() const 00087 { 00088 if (!knownformat) 00089 return 0; 00090 00091 RTCPCommonHeader *hdr = (RTCPCommonHeader *)data; 00092 return (int)(hdr->count); 00093 } 00094 00095 inline uint32_t RTCPBYEPacket::GetSSRC(int index) const 00096 { 00097 if (!knownformat) 00098 return 0; 00099 uint32_t *ssrc = (uint32_t *)(data+sizeof(RTCPCommonHeader)+sizeof(uint32_t)*index); 00100 return ntohl(*ssrc); 00101 } 00102 00103 inline bool RTCPBYEPacket::HasReasonForLeaving() const 00104 { 00105 if (!knownformat) 00106 return false; 00107 if (reasonoffset == 0) 00108 return false; 00109 return true; 00110 } 00111 00112 inline size_t RTCPBYEPacket::GetReasonLength() const 00113 { 00114 if (!knownformat) 00115 return 0; 00116 if (reasonoffset == 0) 00117 return 0; 00118 uint8_t *reasonlen = (data+reasonoffset); 00119 return (size_t)(*reasonlen); 00120 } 00121 00122 inline uint8_t *RTCPBYEPacket::GetReasonData() 00123 { 00124 if (!knownformat) 00125 return 0; 00126 if (reasonoffset == 0) 00127 return 0; 00128 uint8_t *reasonlen = (data+reasonoffset); 00129 if ((*reasonlen) == 0) 00130 return 0; 00131 return (data+reasonoffset+1); 00132 } 00133 00134 #endif // RTCPBYEPACKET_H 00135