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<h1>rtcprrpacket.h</h1><a href="rtcprrpacket_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"></span>
<a name="l00003"></a>00003 <span class="comment"> This file is a part of JRTPLIB</span>
<a name="l00004"></a>00004 <span class="comment"> Copyright (c) 1999-2007 Jori Liesenborgs</span>
<a name="l00005"></a>00005 <span class="comment"></span>
<a name="l00006"></a>00006 <span class="comment"> Contact: jori.liesenborgs@gmail.com</span>
<a name="l00007"></a>00007 <span class="comment"></span>
<a name="l00008"></a>00008 <span class="comment"> This library was developed at the "Expertisecentrum Digitale Media"</span>
<a name="l00009"></a>00009 <span class="comment"> (http://www.edm.uhasselt.be), a research center of the Hasselt University</span>
<a name="l00010"></a>00010 <span class="comment"> (http://www.uhasselt.be). The library is based upon work done for </span>
<a name="l00011"></a>00011 <span class="comment"> my thesis at the School for Knowledge Technology (Belgium/The Netherlands).</span>
<a name="l00012"></a>00012 <span class="comment"></span>
<a name="l00013"></a>00013 <span class="comment"> Permission is hereby granted, free of charge, to any person obtaining a</span>
<a name="l00014"></a>00014 <span class="comment"> copy of this software and associated documentation files (the "Software"),</span>
<a name="l00015"></a>00015 <span class="comment"> to deal in the Software without restriction, including without limitation</span>
<a name="l00016"></a>00016 <span class="comment"> the rights to use, copy, modify, merge, publish, distribute, sublicense,</span>
<a name="l00017"></a>00017 <span class="comment"> and/or sell copies of the Software, and to permit persons to whom the</span>
<a name="l00018"></a>00018 <span class="comment"> Software is furnished to do so, subject to the following conditions:</span>
<a name="l00019"></a>00019 <span class="comment"></span>
<a name="l00020"></a>00020 <span class="comment"> The above copyright notice and this permission notice shall be included</span>
<a name="l00021"></a>00021 <span class="comment"> in all copies or substantial portions of the Software.</span>
<a name="l00022"></a>00022 <span class="comment"></span>
<a name="l00023"></a>00023 <span class="comment"> THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS</span>
<a name="l00024"></a>00024 <span class="comment"> OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span>
<a name="l00025"></a>00025 <span class="comment"> FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL</span>
<a name="l00026"></a>00026 <span class="comment"> THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span>
<a name="l00027"></a>00027 <span class="comment"> LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING</span>
<a name="l00028"></a>00028 <span class="comment"> FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS</span>
<a name="l00029"></a>00029 <span class="comment"> IN THE SOFTWARE.</span>
<a name="l00030"></a>00030 <span class="comment"></span>
<a name="l00031"></a>00031 <span class="comment">*/</span>
<a name="l00032"></a>00032
<a name="l00037"></a>00037 <span class="preprocessor">#ifndef RTCPRRPACKET_H</span>
<a name="l00038"></a>00038 <span class="preprocessor"></span>
<a name="l00039"></a>00039 <span class="preprocessor">#define RTCPRRPACKET_H</span>
<a name="l00040"></a>00040 <span class="preprocessor"></span>
<a name="l00041"></a>00041 <span class="preprocessor">#include "rtpconfig.h"</span>
<a name="l00042"></a>00042 <span class="preprocessor">#include "<a class="code" href="rtcppacket_8h.html">rtcppacket.h</a>"</span>
<a name="l00043"></a>00043 <span class="preprocessor">#include "<a class="code" href="rtpstructs_8h.html">rtpstructs.h</a>"</span>
<a name="l00044"></a>00044 <span class="preprocessor">#if ! (defined(WIN32) || defined(_WIN32_WCE))</span>
<a name="l00045"></a>00045 <span class="preprocessor"></span><span class="preprocessor"> #include <netinet/in.h></span>
<a name="l00046"></a>00046 <span class="preprocessor">#endif // WIN32</span>
<a name="l00047"></a>00047 <span class="preprocessor"></span>
<a name="l00048"></a>00048 <span class="keyword">class </span><a class="code" href="classRTCPCompoundPacket.html" title="Represents an RTCP compound packet.">RTCPCompoundPacket</a>;
<a name="l00049"></a>00049
<a name="l00051"></a><a class="code" href="classRTCPRRPacket.html">00051</a> <span class="keyword">class </span><a class="code" href="classRTCPRRPacket.html" title="Describes an RTCP receiver report packet.">RTCPRRPacket</a> : <span class="keyword">public</span> <a class="code" href="classRTCPPacket.html" title="Base class for specific types of RTCP packets.">RTCPPacket</a>
<a name="l00052"></a>00052 {
<a name="l00053"></a>00053 <span class="keyword">public</span>:
<a name="l00059"></a>00059 <a class="code" href="classRTCPRRPacket.html#f69ecaa332c0248fd6578688591143ca" title="Creates an instance based on the data in data with length datalen.">RTCPRRPacket</a>(uint8_t *data,<span class="keywordtype">size_t</span> datalen);
<a name="l00060"></a>00060 ~<a class="code" href="classRTCPRRPacket.html" title="Describes an RTCP receiver report packet.">RTCPRRPacket</a>() { }
<a name="l00061"></a>00061
<a name="l00063"></a>00063 uint32_t <a class="code" href="classRTCPRRPacket.html#055663794607f0ac0fe9208164cc0b3c" title="Returns the SSRC of the participant who sent this packet.">GetSenderSSRC</a>() <span class="keyword">const</span>;
<a name="l00064"></a>00064
<a name="l00066"></a>00066 <span class="keywordtype">int</span> <a class="code" href="classRTCPRRPacket.html#dc94a5957d58190e589e8ad570355838" title="Returns the number of reception report blocks present in this packet.">GetReceptionReportCount</a>() <span class="keyword">const</span>;
<a name="l00067"></a>00067
<a name="l00072"></a>00072 uint32_t <a class="code" href="classRTCPRRPacket.html#8a7dd583e573fa13688b0b8f205d1d57" title="Returns the SSRC of the reception report block described by index which may have...">GetSSRC</a>(<span class="keywordtype">int</span> index) <span class="keyword">const</span>;
<a name="l00073"></a>00073
<a name="l00078"></a>00078 uint8_t <a class="code" href="classRTCPRRPacket.html#df2657797b1c3540a686f2dea0515246" title="Returns the `fraction lost&#39; field of the reception report described by index...">GetFractionLost</a>(<span class="keywordtype">int</span> index) <span class="keyword">const</span>;
<a name="l00079"></a>00079
<a name="l00084"></a>00084 int32_t <a class="code" href="classRTCPRRPacket.html#6a829bd221951fb0f1e331ceb1e7d60f" title="Returns the number of lost packets in the reception report block described by index...">GetLostPacketCount</a>(<span class="keywordtype">int</span> index) <span class="keyword">const</span>;
<a name="l00085"></a>00085
<a name="l00090"></a>00090 uint32_t <a class="code" href="classRTCPRRPacket.html#3bf5cd13404d1f756af1677eadb7e736" title="Returns the extended highest sequence number of the reception report block described...">GetExtendedHighestSequenceNumber</a>(<span class="keywordtype">int</span> index) <span class="keyword">const</span>;
<a name="l00091"></a>00091
<a name="l00096"></a>00096 uint32_t <a class="code" href="classRTCPRRPacket.html#31c87b21ca5bf24a29631d7819f95f1d" title="Returns the jitter field of the reception report block described by index which may...">GetJitter</a>(<span class="keywordtype">int</span> index) <span class="keyword">const</span>;
<a name="l00097"></a>00097
<a name="l00102"></a>00102 uint32_t <a class="code" href="classRTCPRRPacket.html#5c7da62221b99892f2b3ba0ad50f1f71" title="Returns the LSR field of the reception report block described by index which may...">GetLSR</a>(<span class="keywordtype">int</span> index) <span class="keyword">const</span>;
<a name="l00103"></a>00103
<a name="l00108"></a>00108 uint32_t <a class="code" href="classRTCPRRPacket.html#6cd11c83c3f99cb1782754dc8ba26e99" title="Returns the DLSR field of the reception report block described by index which may...">GetDLSR</a>(<span class="keywordtype">int</span> index) <span class="keyword">const</span>;
<a name="l00109"></a>00109
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <span class="preprocessor">#ifdef RTPDEBUG</span>
<a name="l00112"></a>00112 <span class="preprocessor"></span> <span class="keywordtype">void</span> Dump();
<a name="l00113"></a>00113 <span class="preprocessor">#endif // RTPDEBUG</span>
<a name="l00114"></a>00114 <span class="preprocessor"></span><span class="keyword">private</span>:
<a name="l00115"></a>00115 RTCPReceiverReport *GotoReport(<span class="keywordtype">int</span> index) <span class="keyword">const</span>;
<a name="l00116"></a>00116 };
<a name="l00117"></a>00117
<a name="l00118"></a><a class="code" href="classRTCPRRPacket.html#055663794607f0ac0fe9208164cc0b3c">00118</a> <span class="keyword">inline</span> uint32_t <a class="code" href="classRTCPRRPacket.html#055663794607f0ac0fe9208164cc0b3c" title="Returns the SSRC of the participant who sent this packet.">RTCPRRPacket::GetSenderSSRC</a>()<span class="keyword"> const</span>
<a name="l00119"></a>00119 <span class="keyword"></span>{
<a name="l00120"></a>00120 <span class="keywordflow">if</span> (!knownformat)
<a name="l00121"></a>00121 <span class="keywordflow">return</span> 0;
<a name="l00122"></a>00122
<a name="l00123"></a>00123 uint32_t *ssrcptr = (uint32_t *)(data+<span class="keyword">sizeof</span>(RTCPCommonHeader));
<a name="l00124"></a>00124 <span class="keywordflow">return</span> ntohl(*ssrcptr);
<a name="l00125"></a>00125 }
<a name="l00126"></a><a class="code" href="classRTCPRRPacket.html#dc94a5957d58190e589e8ad570355838">00126</a> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classRTCPRRPacket.html#dc94a5957d58190e589e8ad570355838" title="Returns the number of reception report blocks present in this packet.">RTCPRRPacket::GetReceptionReportCount</a>()<span class="keyword"> const</span>
<a name="l00127"></a>00127 <span class="keyword"></span>{
<a name="l00128"></a>00128 <span class="keywordflow">if</span> (!knownformat)
<a name="l00129"></a>00129 <span class="keywordflow">return</span> 0;
<a name="l00130"></a>00130 RTCPCommonHeader *hdr = (RTCPCommonHeader *)data;
<a name="l00131"></a>00131 <span class="keywordflow">return</span> ((<span class="keywordtype">int</span>)hdr->count);
<a name="l00132"></a>00132 }
<a name="l00133"></a>00133
<a name="l00134"></a>00134 <span class="keyword">inline</span> RTCPReceiverReport *RTCPRRPacket::GotoReport(<span class="keywordtype">int</span> index)<span class="keyword"> const</span>
<a name="l00135"></a>00135 <span class="keyword"></span>{
<a name="l00136"></a>00136 RTCPReceiverReport *r = (RTCPReceiverReport *)(data+<span class="keyword">sizeof</span>(RTCPCommonHeader)+<span class="keyword">sizeof</span>(uint32_t)+index*<span class="keyword">sizeof</span>(RTCPReceiverReport));
<a name="l00137"></a>00137 <span class="keywordflow">return</span> r;
<a name="l00138"></a>00138 }
<a name="l00139"></a>00139
<a name="l00140"></a><a class="code" href="classRTCPRRPacket.html#8a7dd583e573fa13688b0b8f205d1d57">00140</a> <span class="keyword">inline</span> uint32_t <a class="code" href="classRTCPRRPacket.html#8a7dd583e573fa13688b0b8f205d1d57" title="Returns the SSRC of the reception report block described by index which may have...">RTCPRRPacket::GetSSRC</a>(<span class="keywordtype">int</span> index)<span class="keyword"> const</span>
<a name="l00141"></a>00141 <span class="keyword"></span>{
<a name="l00142"></a>00142 <span class="keywordflow">if</span> (!knownformat)
<a name="l00143"></a>00143 <span class="keywordflow">return</span> 0;
<a name="l00144"></a>00144 RTCPReceiverReport *r = GotoReport(index);
<a name="l00145"></a>00145 <span class="keywordflow">return</span> ntohl(r->ssrc);
<a name="l00146"></a>00146 }
<a name="l00147"></a>00147
<a name="l00148"></a><a class="code" href="classRTCPRRPacket.html#df2657797b1c3540a686f2dea0515246">00148</a> <span class="keyword">inline</span> uint8_t <a class="code" href="classRTCPRRPacket.html#df2657797b1c3540a686f2dea0515246" title="Returns the `fraction lost&#39; field of the reception report described by index...">RTCPRRPacket::GetFractionLost</a>(<span class="keywordtype">int</span> index)<span class="keyword"> const</span>
<a name="l00149"></a>00149 <span class="keyword"></span>{
<a name="l00150"></a>00150 <span class="keywordflow">if</span> (!knownformat)
<a name="l00151"></a>00151 <span class="keywordflow">return</span> 0;
<a name="l00152"></a>00152 RTCPReceiverReport *r = GotoReport(index);
<a name="l00153"></a>00153 <span class="keywordflow">return</span> r->fractionlost;
<a name="l00154"></a>00154 }
<a name="l00155"></a>00155
<a name="l00156"></a><a class="code" href="classRTCPRRPacket.html#6a829bd221951fb0f1e331ceb1e7d60f">00156</a> <span class="keyword">inline</span> int32_t <a class="code" href="classRTCPRRPacket.html#6a829bd221951fb0f1e331ceb1e7d60f" title="Returns the number of lost packets in the reception report block described by index...">RTCPRRPacket::GetLostPacketCount</a>(<span class="keywordtype">int</span> index)<span class="keyword"> const</span>
<a name="l00157"></a>00157 <span class="keyword"></span>{
<a name="l00158"></a>00158 <span class="keywordflow">if</span> (!knownformat)
<a name="l00159"></a>00159 <span class="keywordflow">return</span> 0;
<a name="l00160"></a>00160 RTCPReceiverReport *r = GotoReport(index);
<a name="l00161"></a>00161 uint32_t count = ((uint32_t)r->packetslost[2])|(((uint32_t)r->packetslost[1])<<8)|(((uint32_t)r->packetslost[0])<<16);
<a name="l00162"></a>00162 <span class="keywordflow">if</span> ((count&0x00800000) != 0) <span class="comment">// test for negative number</span>
<a name="l00163"></a>00163 count |= 0xFF000000;
<a name="l00164"></a>00164 int32_t *count2 = (int32_t *)(&count);
<a name="l00165"></a>00165 <span class="keywordflow">return</span> (*count2);
<a name="l00166"></a>00166 }
<a name="l00167"></a>00167
<a name="l00168"></a><a class="code" href="classRTCPRRPacket.html#3bf5cd13404d1f756af1677eadb7e736">00168</a> <span class="keyword">inline</span> uint32_t <a class="code" href="classRTCPRRPacket.html#3bf5cd13404d1f756af1677eadb7e736" title="Returns the extended highest sequence number of the reception report block described...">RTCPRRPacket::GetExtendedHighestSequenceNumber</a>(<span class="keywordtype">int</span> index)<span class="keyword"> const</span>
<a name="l00169"></a>00169 <span class="keyword"></span>{
<a name="l00170"></a>00170 <span class="keywordflow">if</span> (!knownformat)
<a name="l00171"></a>00171 <span class="keywordflow">return</span> 0;
<a name="l00172"></a>00172 RTCPReceiverReport *r = GotoReport(index);
<a name="l00173"></a>00173 <span class="keywordflow">return</span> ntohl(r->exthighseqnr);
<a name="l00174"></a>00174 }
<a name="l00175"></a>00175
<a name="l00176"></a><a class="code" href="classRTCPRRPacket.html#31c87b21ca5bf24a29631d7819f95f1d">00176</a> <span class="keyword">inline</span> uint32_t <a class="code" href="classRTCPRRPacket.html#31c87b21ca5bf24a29631d7819f95f1d" title="Returns the jitter field of the reception report block described by index which may...">RTCPRRPacket::GetJitter</a>(<span class="keywordtype">int</span> index)<span class="keyword"> const</span>
<a name="l00177"></a>00177 <span class="keyword"></span>{
<a name="l00178"></a>00178 <span class="keywordflow">if</span> (!knownformat)
<a name="l00179"></a>00179 <span class="keywordflow">return</span> 0;
<a name="l00180"></a>00180 RTCPReceiverReport *r = GotoReport(index);
<a name="l00181"></a>00181 <span class="keywordflow">return</span> ntohl(r->jitter);
<a name="l00182"></a>00182 }
<a name="l00183"></a>00183
<a name="l00184"></a><a class="code" href="classRTCPRRPacket.html#5c7da62221b99892f2b3ba0ad50f1f71">00184</a> <span class="keyword">inline</span> uint32_t <a class="code" href="classRTCPRRPacket.html#5c7da62221b99892f2b3ba0ad50f1f71" title="Returns the LSR field of the reception report block described by index which may...">RTCPRRPacket::GetLSR</a>(<span class="keywordtype">int</span> index)<span class="keyword"> const</span>
<a name="l00185"></a>00185 <span class="keyword"></span>{
<a name="l00186"></a>00186 <span class="keywordflow">if</span> (!knownformat)
<a name="l00187"></a>00187 <span class="keywordflow">return</span> 0;
<a name="l00188"></a>00188 RTCPReceiverReport *r = GotoReport(index);
<a name="l00189"></a>00189 <span class="keywordflow">return</span> ntohl(r->lsr);
<a name="l00190"></a>00190 }
<a name="l00191"></a>00191
<a name="l00192"></a><a class="code" href="classRTCPRRPacket.html#6cd11c83c3f99cb1782754dc8ba26e99">00192</a> <span class="keyword">inline</span> uint32_t <a class="code" href="classRTCPRRPacket.html#6cd11c83c3f99cb1782754dc8ba26e99" title="Returns the DLSR field of the reception report block described by index which may...">RTCPRRPacket::GetDLSR</a>(<span class="keywordtype">int</span> index)<span class="keyword"> const</span>
<a name="l00193"></a>00193 <span class="keyword"></span>{
<a name="l00194"></a>00194 <span class="keywordflow">if</span> (!knownformat)
<a name="l00195"></a>00195 <span class="keywordflow">return</span> 0;
<a name="l00196"></a>00196 RTCPReceiverReport *r = GotoReport(index);
<a name="l00197"></a>00197 <span class="keywordflow">return</span> ntohl(r->dlsr);
<a name="l00198"></a>00198 }
<a name="l00199"></a>00199
<a name="l00200"></a>00200 <span class="preprocessor">#endif // RTCPRRPACKET_H</span>
<a name="l00201"></a>00201 <span class="preprocessor"></span>
</pre></div></div>
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