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<h1>rtcpsdespacket.h</h1><a href="rtcpsdespacket_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 RTCPSDESPACKET_H</span>
<a name="l00038"></a>00038 <span class="preprocessor"></span>
<a name="l00039"></a>00039 <span class="preprocessor">#define RTCPSDESPACKET_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">#include "rtpdefines.h"</span>
<a name="l00045"></a>00045 <span class="preprocessor">#if ! (defined(WIN32) || defined(_WIN32_WCE))</span>
<a name="l00046"></a>00046 <span class="preprocessor"></span><span class="preprocessor"> #include <netinet/in.h></span>
<a name="l00047"></a>00047 <span class="preprocessor">#endif // WIN32</span>
<a name="l00048"></a>00048 <span class="preprocessor"></span>
<a name="l00049"></a>00049 <span class="keyword">class </span><a class="code" href="classRTCPCompoundPacket.html" title="Represents an RTCP compound packet.">RTCPCompoundPacket</a>;
<a name="l00050"></a>00050
<a name="l00052"></a><a class="code" href="classRTCPSDESPacket.html">00052</a> <span class="keyword">class </span><a class="code" href="classRTCPSDESPacket.html" title="Describes an RTCP source description packet.">RTCPSDESPacket</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="l00053"></a>00053 {
<a name="l00054"></a>00054 <span class="keyword">public</span>:
<a name="l00056"></a><a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d8105">00056</a> <span class="keyword">enum</span> <a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d8105" title="Identifies the type of an SDES item.">ItemType</a>
<a name="l00057"></a>00057 {
<a name="l00058"></a><a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d81059bc0cdab454a09b5e2979848feeb75ae">00058</a> <a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d81059bc0cdab454a09b5e2979848feeb75ae" title="Used when the iteration over the items has finished.">None</a>,
<a name="l00059"></a><a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d81054c27913475d7c94240a5df8736c378e2">00059</a> <a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d81054c27913475d7c94240a5df8736c378e2" title="Used for a CNAME (canonical name) item.">CNAME</a>,
<a name="l00060"></a><a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d810505dbe8c9f0701b368243b8c54764f24b">00060</a> <a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d810505dbe8c9f0701b368243b8c54764f24b" title="Used for a NAME item.">NAME</a>,
<a name="l00061"></a><a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d81058330aeb6f75780f5915812cde63d8c90">00061</a> <a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d81058330aeb6f75780f5915812cde63d8c90" title="Used for an EMAIL item.">EMAIL</a>,
<a name="l00062"></a><a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d81053092054f8e51789f99dcdb58d0859560">00062</a> <a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d81053092054f8e51789f99dcdb58d0859560" title="Used for a PHONE item.">PHONE</a>,
<a name="l00063"></a><a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d8105c6d1c5b6823b760006dd3dc8166f0be2">00063</a> <a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d8105c6d1c5b6823b760006dd3dc8166f0be2" title="Used for a LOC (location) item.">LOC</a>,
<a name="l00064"></a><a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d81051a93c6704d436e87f8ad2f6edc8b6805">00064</a> <a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d81051a93c6704d436e87f8ad2f6edc8b6805" title="Used for a TOOL item.">TOOL</a>,
<a name="l00065"></a><a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d8105606b6be5663584a84bef4180f357b6ee">00065</a> <a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d8105606b6be5663584a84bef4180f357b6ee" title="Used for a NOTE item.">NOTE</a>,
<a name="l00066"></a><a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d81059d6fae805075be93aca723acc2259bc7">00066</a> <a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d81059d6fae805075be93aca723acc2259bc7" title="Used for a PRIV item.">PRIV</a>,
<a name="l00067"></a><a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d8105f89a720c02bc86db71c2a91b9afcd134">00067</a> <a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d8105f89a720c02bc86db71c2a91b9afcd134" title="Used when there is an item present, but the type is not recognized.">Unknown</a>
<a name="l00068"></a>00068 };
<a name="l00069"></a>00069
<a name="l00075"></a>00075 <a class="code" href="classRTCPSDESPacket.html#0ddb8d70c5047375b58cdae5cc9113d7" title="Creates an instance based on the data in data with length datalen.">RTCPSDESPacket</a>(uint8_t *data,<span class="keywordtype">size_t</span> datalen);
<a name="l00076"></a>00076 ~<a class="code" href="classRTCPSDESPacket.html" title="Describes an RTCP source description packet.">RTCPSDESPacket</a>() { }
<a name="l00077"></a>00077
<a name="l00081"></a>00081 <span class="keywordtype">int</span> <a class="code" href="classRTCPSDESPacket.html#518495e6022a56fc5f2f95d10266afef" title="Returns the number of SDES chunks in the SDES packet.">GetChunkCount</a>() <span class="keyword">const</span>;
<a name="l00082"></a>00082
<a name="l00087"></a>00087 <span class="keywordtype">bool</span> <a class="code" href="classRTCPSDESPacket.html#d94f2c2704eeb24b71ddd107785db59a" title="Starts the iteration over the chunks.">GotoFirstChunk</a>();
<a name="l00088"></a>00088
<a name="l00093"></a>00093 <span class="keywordtype">bool</span> <a class="code" href="classRTCPSDESPacket.html#c2e258c4b8c8eace0e6e7966114d6bac" title="Sets the current chunk to the next available chunk.">GotoNextChunk</a>();
<a name="l00094"></a>00094
<a name="l00096"></a>00096 uint32_t <a class="code" href="classRTCPSDESPacket.html#de26ae77de0cb76d8096de2681ad48e7" title="Returns the SSRC identifier of the current chunk.">GetChunkSSRC</a>() <span class="keyword">const</span>;
<a name="l00097"></a>00097
<a name="l00103"></a>00103 <span class="keywordtype">bool</span> <a class="code" href="classRTCPSDESPacket.html#887b838d12b2ffe91a6c624fe0861721" title="Starts the iteration over the SDES items in the current chunk.">GotoFirstItem</a>();
<a name="l00104"></a>00104
<a name="l00109"></a>00109 <span class="keywordtype">bool</span> <a class="code" href="classRTCPSDESPacket.html#1b528ea9cc22465cd2eb3040c0aae75e" title="Advances the iteration to the next item in the current chunk.">GotoNextItem</a>();
<a name="l00110"></a>00110
<a name="l00112"></a>00112 <a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d8105" title="Identifies the type of an SDES item.">ItemType</a> <a class="code" href="classRTCPSDESPacket.html#0bee72a091012bb1aba2fdfb9a7632d8" title="Returns the SDES item type of the current item in the current chunk.">GetItemType</a>() <span class="keyword">const</span>;
<a name="l00113"></a>00113
<a name="l00115"></a>00115 <span class="keywordtype">size_t</span> <a class="code" href="classRTCPSDESPacket.html#3b1d2df0352b2a7e8276d9ba962d87b9" title="Returns the item length of the current item in the current chunk.">GetItemLength</a>() <span class="keyword">const</span>;
<a name="l00116"></a>00116
<a name="l00118"></a>00118 uint8_t *<a class="code" href="classRTCPSDESPacket.html#2ac8d408b3273c687fb50714e9eb81cb" title="Returns the item data of the current item in the current chunk.">GetItemData</a>();
<a name="l00119"></a>00119
<a name="l00120"></a>00120 <span class="preprocessor">#ifdef RTP_SUPPORT_SDESPRIV</span>
<a name="l00121"></a>00121 <span class="preprocessor"></span>
<a name="l00124"></a>00124 <span class="keywordtype">size_t</span> <a class="code" href="classRTCPSDESPacket.html#1709e3cd4dc52eb070b8d961e7e3f3b6" title="If the current item is an SDES PRIV item, this function returns the length of the...">GetPRIVPrefixLength</a>() <span class="keyword">const</span>;
<a name="l00125"></a>00125
<a name="l00129"></a>00129 uint8_t *<a class="code" href="classRTCPSDESPacket.html#31fcb61d6d4cc519fb56d25dfedfd2a6" title="If the current item is an SDES PRIV item, this function returns actual data of the...">GetPRIVPrefixData</a>();
<a name="l00130"></a>00130
<a name="l00134"></a>00134 <span class="keywordtype">size_t</span> <a class="code" href="classRTCPSDESPacket.html#6933517a9ff24d1903c870204e962b06" title="If the current item is an SDES PRIV item, this function returns the length of the...">GetPRIVValueLength</a>() <span class="keyword">const</span>;
<a name="l00135"></a>00135
<a name="l00139"></a>00139 uint8_t *<a class="code" href="classRTCPSDESPacket.html#57db2f1f406977972f8990f52d365819" title="If the current item is an SDES PRIV item, this function returns actual value data...">GetPRIVValueData</a>();
<a name="l00140"></a>00140 <span class="preprocessor">#endif // RTP_SUPPORT_SDESPRIV</span>
<a name="l00141"></a>00141 <span class="preprocessor"></span>
<a name="l00142"></a>00142 <span class="preprocessor">#ifdef RTPDEBUG</span>
<a name="l00143"></a>00143 <span class="preprocessor"></span> <span class="keywordtype">void</span> Dump();
<a name="l00144"></a>00144 <span class="preprocessor">#endif // RTPDEBUG</span>
<a name="l00145"></a>00145 <span class="preprocessor"></span><span class="keyword">private</span>:
<a name="l00146"></a>00146 uint8_t *currentchunk;
<a name="l00147"></a>00147 <span class="keywordtype">int</span> curchunknum;
<a name="l00148"></a>00148 <span class="keywordtype">size_t</span> itemoffset;
<a name="l00149"></a>00149 };
<a name="l00150"></a>00150
<a name="l00151"></a><a class="code" href="classRTCPSDESPacket.html#518495e6022a56fc5f2f95d10266afef">00151</a> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classRTCPSDESPacket.html#518495e6022a56fc5f2f95d10266afef" title="Returns the number of SDES chunks in the SDES packet.">RTCPSDESPacket::GetChunkCount</a>()<span class="keyword"> const</span>
<a name="l00152"></a>00152 <span class="keyword"></span>{
<a name="l00153"></a>00153 <span class="keywordflow">if</span> (!knownformat)
<a name="l00154"></a>00154 <span class="keywordflow">return</span> 0;
<a name="l00155"></a>00155 RTCPCommonHeader *hdr = (RTCPCommonHeader *)data;
<a name="l00156"></a>00156 <span class="keywordflow">return</span> ((<span class="keywordtype">int</span>)hdr->count);
<a name="l00157"></a>00157 }
<a name="l00158"></a>00158
<a name="l00159"></a><a class="code" href="classRTCPSDESPacket.html#d94f2c2704eeb24b71ddd107785db59a">00159</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classRTCPSDESPacket.html#d94f2c2704eeb24b71ddd107785db59a" title="Starts the iteration over the chunks.">RTCPSDESPacket::GotoFirstChunk</a>()
<a name="l00160"></a>00160 {
<a name="l00161"></a>00161 <span class="keywordflow">if</span> (<a class="code" href="classRTCPSDESPacket.html#518495e6022a56fc5f2f95d10266afef" title="Returns the number of SDES chunks in the SDES packet.">GetChunkCount</a>() == 0)
<a name="l00162"></a>00162 {
<a name="l00163"></a>00163 currentchunk = 0;
<a name="l00164"></a>00164 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00165"></a>00165 }
<a name="l00166"></a>00166 currentchunk = data+<span class="keyword">sizeof</span>(RTCPCommonHeader);
<a name="l00167"></a>00167 curchunknum = 1;
<a name="l00168"></a>00168 itemoffset = <span class="keyword">sizeof</span>(uint32_t);
<a name="l00169"></a>00169 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00170"></a>00170 }
<a name="l00171"></a>00171
<a name="l00172"></a><a class="code" href="classRTCPSDESPacket.html#c2e258c4b8c8eace0e6e7966114d6bac">00172</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classRTCPSDESPacket.html#c2e258c4b8c8eace0e6e7966114d6bac" title="Sets the current chunk to the next available chunk.">RTCPSDESPacket::GotoNextChunk</a>()
<a name="l00173"></a>00173 {
<a name="l00174"></a>00174 <span class="keywordflow">if</span> (!knownformat)
<a name="l00175"></a>00175 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00176"></a>00176 <span class="keywordflow">if</span> (currentchunk == 0)
<a name="l00177"></a>00177 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00178"></a>00178 <span class="keywordflow">if</span> (curchunknum == <a class="code" href="classRTCPSDESPacket.html#518495e6022a56fc5f2f95d10266afef" title="Returns the number of SDES chunks in the SDES packet.">GetChunkCount</a>())
<a name="l00179"></a>00179 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00180"></a>00180
<a name="l00181"></a>00181 <span class="keywordtype">size_t</span> offset = <span class="keyword">sizeof</span>(uint32_t);
<a name="l00182"></a>00182 RTCPSDESHeader *sdeshdr = (RTCPSDESHeader *)(currentchunk+<span class="keyword">sizeof</span>(uint32_t));
<a name="l00183"></a>00183
<a name="l00184"></a>00184 <span class="keywordflow">while</span> (sdeshdr->sdesid != 0)
<a name="l00185"></a>00185 {
<a name="l00186"></a>00186 offset += <span class="keyword">sizeof</span>(RTCPSDESHeader);
<a name="l00187"></a>00187 offset += (size_t)(sdeshdr->length);
<a name="l00188"></a>00188 sdeshdr = (RTCPSDESHeader *)(currentchunk+offset);
<a name="l00189"></a>00189 }
<a name="l00190"></a>00190 offset++; <span class="comment">// for the zero byte</span>
<a name="l00191"></a>00191 <span class="keywordflow">if</span> ((offset&0x03) != 0)
<a name="l00192"></a>00192 offset += (4-(offset&0x03));
<a name="l00193"></a>00193 currentchunk += offset;
<a name="l00194"></a>00194 curchunknum++;
<a name="l00195"></a>00195 itemoffset = <span class="keyword">sizeof</span>(uint32_t);
<a name="l00196"></a>00196 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00197"></a>00197 }
<a name="l00198"></a>00198
<a name="l00199"></a><a class="code" href="classRTCPSDESPacket.html#de26ae77de0cb76d8096de2681ad48e7">00199</a> <span class="keyword">inline</span> uint32_t <a class="code" href="classRTCPSDESPacket.html#de26ae77de0cb76d8096de2681ad48e7" title="Returns the SSRC identifier of the current chunk.">RTCPSDESPacket::GetChunkSSRC</a>()<span class="keyword"> const</span>
<a name="l00200"></a>00200 <span class="keyword"></span>{
<a name="l00201"></a>00201 <span class="keywordflow">if</span> (!knownformat)
<a name="l00202"></a>00202 <span class="keywordflow">return</span> 0;
<a name="l00203"></a>00203 <span class="keywordflow">if</span> (currentchunk == 0)
<a name="l00204"></a>00204 <span class="keywordflow">return</span> 0;
<a name="l00205"></a>00205 uint32_t *ssrc = (uint32_t *)currentchunk;
<a name="l00206"></a>00206 <span class="keywordflow">return</span> ntohl(*ssrc);
<a name="l00207"></a>00207 }
<a name="l00208"></a>00208
<a name="l00209"></a><a class="code" href="classRTCPSDESPacket.html#887b838d12b2ffe91a6c624fe0861721">00209</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classRTCPSDESPacket.html#887b838d12b2ffe91a6c624fe0861721" title="Starts the iteration over the SDES items in the current chunk.">RTCPSDESPacket::GotoFirstItem</a>()
<a name="l00210"></a>00210 {
<a name="l00211"></a>00211 <span class="keywordflow">if</span> (!knownformat)
<a name="l00212"></a>00212 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00213"></a>00213 <span class="keywordflow">if</span> (currentchunk == 0)
<a name="l00214"></a>00214 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00215"></a>00215 itemoffset = <span class="keyword">sizeof</span>(uint32_t);
<a name="l00216"></a>00216 RTCPSDESHeader *sdeshdr = (RTCPSDESHeader *)(currentchunk+itemoffset);
<a name="l00217"></a>00217 <span class="keywordflow">if</span> (sdeshdr->sdesid == 0)
<a name="l00218"></a>00218 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00219"></a>00219 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00220"></a>00220 }
<a name="l00221"></a>00221
<a name="l00222"></a><a class="code" href="classRTCPSDESPacket.html#1b528ea9cc22465cd2eb3040c0aae75e">00222</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classRTCPSDESPacket.html#1b528ea9cc22465cd2eb3040c0aae75e" title="Advances the iteration to the next item in the current chunk.">RTCPSDESPacket::GotoNextItem</a>()
<a name="l00223"></a>00223 {
<a name="l00224"></a>00224 <span class="keywordflow">if</span> (!knownformat)
<a name="l00225"></a>00225 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00226"></a>00226 <span class="keywordflow">if</span> (currentchunk == 0)
<a name="l00227"></a>00227 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00228"></a>00228
<a name="l00229"></a>00229 RTCPSDESHeader *sdeshdr = (RTCPSDESHeader *)(currentchunk+itemoffset);
<a name="l00230"></a>00230 <span class="keywordflow">if</span> (sdeshdr->sdesid == 0)
<a name="l00231"></a>00231 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00232"></a>00232
<a name="l00233"></a>00233 <span class="keywordtype">size_t</span> offset = itemoffset;
<a name="l00234"></a>00234 offset += <span class="keyword">sizeof</span>(RTCPSDESHeader);
<a name="l00235"></a>00235 offset += (size_t)(sdeshdr->length);
<a name="l00236"></a>00236 sdeshdr = (RTCPSDESHeader *)(currentchunk+offset);
<a name="l00237"></a>00237 <span class="keywordflow">if</span> (sdeshdr->sdesid == 0)
<a name="l00238"></a>00238 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00239"></a>00239 itemoffset = offset;
<a name="l00240"></a>00240 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00241"></a>00241 }
<a name="l00242"></a>00242
<a name="l00243"></a><a class="code" href="classRTCPSDESPacket.html#0bee72a091012bb1aba2fdfb9a7632d8">00243</a> <span class="keyword">inline</span> <a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d8105" title="Identifies the type of an SDES item.">RTCPSDESPacket::ItemType</a> <a class="code" href="classRTCPSDESPacket.html#0bee72a091012bb1aba2fdfb9a7632d8" title="Returns the SDES item type of the current item in the current chunk.">RTCPSDESPacket::GetItemType</a>()<span class="keyword"> const</span>
<a name="l00244"></a>00244 <span class="keyword"></span>{
<a name="l00245"></a>00245 <span class="keywordflow">if</span> (!knownformat)
<a name="l00246"></a>00246 <span class="keywordflow">return</span> <a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d81059bc0cdab454a09b5e2979848feeb75ae" title="Used when the iteration over the items has finished.">None</a>;
<a name="l00247"></a>00247 <span class="keywordflow">if</span> (currentchunk == 0)
<a name="l00248"></a>00248 <span class="keywordflow">return</span> <a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d81059bc0cdab454a09b5e2979848feeb75ae" title="Used when the iteration over the items has finished.">None</a>;
<a name="l00249"></a>00249 RTCPSDESHeader *sdeshdr = (RTCPSDESHeader *)(currentchunk+itemoffset);
<a name="l00250"></a>00250 <span class="keywordflow">switch</span> (sdeshdr->sdesid)
<a name="l00251"></a>00251 {
<a name="l00252"></a>00252 <span class="keywordflow">case</span> 0:
<a name="l00253"></a>00253 <span class="keywordflow">return</span> <a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d81059bc0cdab454a09b5e2979848feeb75ae" title="Used when the iteration over the items has finished.">None</a>;
<a name="l00254"></a>00254 <span class="keywordflow">case</span> RTCP_SDES_ID_CNAME:
<a name="l00255"></a>00255 <span class="keywordflow">return</span> <a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d81054c27913475d7c94240a5df8736c378e2" title="Used for a CNAME (canonical name) item.">CNAME</a>;
<a name="l00256"></a>00256 <span class="keywordflow">case</span> RTCP_SDES_ID_NAME:
<a name="l00257"></a>00257 <span class="keywordflow">return</span> <a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d810505dbe8c9f0701b368243b8c54764f24b" title="Used for a NAME item.">NAME</a>;
<a name="l00258"></a>00258 <span class="keywordflow">case</span> RTCP_SDES_ID_EMAIL:
<a name="l00259"></a>00259 <span class="keywordflow">return</span> <a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d81058330aeb6f75780f5915812cde63d8c90" title="Used for an EMAIL item.">EMAIL</a>;
<a name="l00260"></a>00260 <span class="keywordflow">case</span> RTCP_SDES_ID_PHONE:
<a name="l00261"></a>00261 <span class="keywordflow">return</span> <a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d81053092054f8e51789f99dcdb58d0859560" title="Used for a PHONE item.">PHONE</a>;
<a name="l00262"></a>00262 <span class="keywordflow">case</span> RTCP_SDES_ID_LOCATION:
<a name="l00263"></a>00263 <span class="keywordflow">return</span> <a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d8105c6d1c5b6823b760006dd3dc8166f0be2" title="Used for a LOC (location) item.">LOC</a>;
<a name="l00264"></a>00264 <span class="keywordflow">case</span> RTCP_SDES_ID_TOOL:
<a name="l00265"></a>00265 <span class="keywordflow">return</span> <a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d81051a93c6704d436e87f8ad2f6edc8b6805" title="Used for a TOOL item.">TOOL</a>;
<a name="l00266"></a>00266 <span class="keywordflow">case</span> RTCP_SDES_ID_NOTE:
<a name="l00267"></a>00267 <span class="keywordflow">return</span> <a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d8105606b6be5663584a84bef4180f357b6ee" title="Used for a NOTE item.">NOTE</a>;
<a name="l00268"></a>00268 <span class="keywordflow">case</span> RTCP_SDES_ID_PRIVATE:
<a name="l00269"></a>00269 <span class="keywordflow">return</span> <a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d81059d6fae805075be93aca723acc2259bc7" title="Used for a PRIV item.">PRIV</a>;
<a name="l00270"></a>00270 <span class="keywordflow">default</span>:
<a name="l00271"></a>00271 <span class="keywordflow">return</span> <a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d8105f89a720c02bc86db71c2a91b9afcd134" title="Used when there is an item present, but the type is not recognized.">Unknown</a>;
<a name="l00272"></a>00272 }
<a name="l00273"></a>00273 <span class="keywordflow">return</span> <a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d8105f89a720c02bc86db71c2a91b9afcd134" title="Used when there is an item present, but the type is not recognized.">Unknown</a>;
<a name="l00274"></a>00274 }
<a name="l00275"></a>00275
<a name="l00276"></a><a class="code" href="classRTCPSDESPacket.html#3b1d2df0352b2a7e8276d9ba962d87b9">00276</a> <span class="keyword">inline</span> <span class="keywordtype">size_t</span> <a class="code" href="classRTCPSDESPacket.html#3b1d2df0352b2a7e8276d9ba962d87b9" title="Returns the item length of the current item in the current chunk.">RTCPSDESPacket::GetItemLength</a>()<span class="keyword"> const</span>
<a name="l00277"></a>00277 <span class="keyword"></span>{
<a name="l00278"></a>00278 <span class="keywordflow">if</span> (!knownformat)
<a name="l00279"></a>00279 <span class="keywordflow">return</span> <a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d81059bc0cdab454a09b5e2979848feeb75ae" title="Used when the iteration over the items has finished.">None</a>;
<a name="l00280"></a>00280 <span class="keywordflow">if</span> (currentchunk == 0)
<a name="l00281"></a>00281 <span class="keywordflow">return</span> <a class="code" href="classRTCPSDESPacket.html#8f8a25695509ae0d02ad30ef8a4d81059bc0cdab454a09b5e2979848feeb75ae" title="Used when the iteration over the items has finished.">None</a>;
<a name="l00282"></a>00282 RTCPSDESHeader *sdeshdr = (RTCPSDESHeader *)(currentchunk+itemoffset);
<a name="l00283"></a>00283 <span class="keywordflow">if</span> (sdeshdr->sdesid == 0)
<a name="l00284"></a>00284 <span class="keywordflow">return</span> 0;
<a name="l00285"></a>00285 <span class="keywordflow">return</span> (<span class="keywordtype">size_t</span>)(sdeshdr->length);
<a name="l00286"></a>00286 }
<a name="l00287"></a>00287
<a name="l00288"></a><a class="code" href="classRTCPSDESPacket.html#2ac8d408b3273c687fb50714e9eb81cb">00288</a> <span class="keyword">inline</span> uint8_t *<a class="code" href="classRTCPSDESPacket.html#2ac8d408b3273c687fb50714e9eb81cb" title="Returns the item data of the current item in the current chunk.">RTCPSDESPacket::GetItemData</a>()
<a name="l00289"></a>00289 {
<a name="l00290"></a>00290 <span class="keywordflow">if</span> (!knownformat)
<a name="l00291"></a>00291 <span class="keywordflow">return</span> 0;
<a name="l00292"></a>00292 <span class="keywordflow">if</span> (currentchunk == 0)
<a name="l00293"></a>00293 <span class="keywordflow">return</span> 0;
<a name="l00294"></a>00294 RTCPSDESHeader *sdeshdr = (RTCPSDESHeader *)(currentchunk+itemoffset);
<a name="l00295"></a>00295 <span class="keywordflow">if</span> (sdeshdr->sdesid == 0)
<a name="l00296"></a>00296 <span class="keywordflow">return</span> 0;
<a name="l00297"></a>00297 <span class="keywordflow">return</span> (currentchunk+itemoffset+<span class="keyword">sizeof</span>(RTCPSDESHeader));
<a name="l00298"></a>00298 }
<a name="l00299"></a>00299
<a name="l00300"></a>00300 <span class="preprocessor">#ifdef RTP_SUPPORT_SDESPRIV</span>
<a name="l00301"></a><a class="code" href="classRTCPSDESPacket.html#1709e3cd4dc52eb070b8d961e7e3f3b6">00301</a> <span class="preprocessor"></span><span class="keyword">inline</span> <span class="keywordtype">size_t</span> <a class="code" href="classRTCPSDESPacket.html#1709e3cd4dc52eb070b8d961e7e3f3b6" title="If the current item is an SDES PRIV item, this function returns the length of the...">RTCPSDESPacket::GetPRIVPrefixLength</a>()<span class="keyword"> const</span>
<a name="l00302"></a>00302 <span class="keyword"></span>{
<a name="l00303"></a>00303 <span class="keywordflow">if</span> (!knownformat)
<a name="l00304"></a>00304 <span class="keywordflow">return</span> 0;
<a name="l00305"></a>00305 <span class="keywordflow">if</span> (currentchunk == 0)
<a name="l00306"></a>00306 <span class="keywordflow">return</span> 0;
<a name="l00307"></a>00307 RTCPSDESHeader *sdeshdr = (RTCPSDESHeader *)(currentchunk+itemoffset);
<a name="l00308"></a>00308 <span class="keywordflow">if</span> (sdeshdr->sdesid != RTCP_SDES_ID_PRIVATE)
<a name="l00309"></a>00309 <span class="keywordflow">return</span> 0;
<a name="l00310"></a>00310 <span class="keywordflow">if</span> (sdeshdr->length == 0)
<a name="l00311"></a>00311 <span class="keywordflow">return</span> 0;
<a name="l00312"></a>00312 uint8_t *preflen = currentchunk+itemoffset+<span class="keyword">sizeof</span>(RTCPSDESHeader);
<a name="l00313"></a>00313 <span class="keywordtype">size_t</span> prefixlength = (size_t)(*preflen);
<a name="l00314"></a>00314 <span class="keywordflow">if</span> (prefixlength > (<span class="keywordtype">size_t</span>)((sdeshdr->length)-1))
<a name="l00315"></a>00315 <span class="keywordflow">return</span> 0;
<a name="l00316"></a>00316 <span class="keywordflow">return</span> prefixlength;
<a name="l00317"></a>00317 }
<a name="l00318"></a>00318
<a name="l00319"></a><a class="code" href="classRTCPSDESPacket.html#31fcb61d6d4cc519fb56d25dfedfd2a6">00319</a> <span class="keyword">inline</span> uint8_t *<a class="code" href="classRTCPSDESPacket.html#31fcb61d6d4cc519fb56d25dfedfd2a6" title="If the current item is an SDES PRIV item, this function returns actual data of the...">RTCPSDESPacket::GetPRIVPrefixData</a>()
<a name="l00320"></a>00320 {
<a name="l00321"></a>00321 <span class="keywordflow">if</span> (!knownformat)
<a name="l00322"></a>00322 <span class="keywordflow">return</span> 0;
<a name="l00323"></a>00323 <span class="keywordflow">if</span> (currentchunk == 0)
<a name="l00324"></a>00324 <span class="keywordflow">return</span> 0;
<a name="l00325"></a>00325 RTCPSDESHeader *sdeshdr = (RTCPSDESHeader *)(currentchunk+itemoffset);
<a name="l00326"></a>00326 <span class="keywordflow">if</span> (sdeshdr->sdesid != RTCP_SDES_ID_PRIVATE)
<a name="l00327"></a>00327 <span class="keywordflow">return</span> 0;
<a name="l00328"></a>00328 <span class="keywordflow">if</span> (sdeshdr->length == 0)
<a name="l00329"></a>00329 <span class="keywordflow">return</span> 0;
<a name="l00330"></a>00330 uint8_t *preflen = currentchunk+itemoffset+<span class="keyword">sizeof</span>(RTCPSDESHeader);
<a name="l00331"></a>00331 <span class="keywordtype">size_t</span> prefixlength = (size_t)(*preflen);
<a name="l00332"></a>00332 <span class="keywordflow">if</span> (prefixlength > (<span class="keywordtype">size_t</span>)((sdeshdr->length)-1))
<a name="l00333"></a>00333 <span class="keywordflow">return</span> 0;
<a name="l00334"></a>00334 <span class="keywordflow">if</span> (prefixlength == 0)
<a name="l00335"></a>00335 <span class="keywordflow">return</span> 0;
<a name="l00336"></a>00336 <span class="keywordflow">return</span> (currentchunk+itemoffset+<span class="keyword">sizeof</span>(RTCPSDESHeader)+1);
<a name="l00337"></a>00337 }
<a name="l00338"></a>00338
<a name="l00339"></a><a class="code" href="classRTCPSDESPacket.html#6933517a9ff24d1903c870204e962b06">00339</a> <span class="keyword">inline</span> <span class="keywordtype">size_t</span> <a class="code" href="classRTCPSDESPacket.html#6933517a9ff24d1903c870204e962b06" title="If the current item is an SDES PRIV item, this function returns the length of the...">RTCPSDESPacket::GetPRIVValueLength</a>()<span class="keyword"> const</span>
<a name="l00340"></a>00340 <span class="keyword"></span>{
<a name="l00341"></a>00341 <span class="keywordflow">if</span> (!knownformat)
<a name="l00342"></a>00342 <span class="keywordflow">return</span> 0;
<a name="l00343"></a>00343 <span class="keywordflow">if</span> (currentchunk == 0)
<a name="l00344"></a>00344 <span class="keywordflow">return</span> 0;
<a name="l00345"></a>00345 RTCPSDESHeader *sdeshdr = (RTCPSDESHeader *)(currentchunk+itemoffset);
<a name="l00346"></a>00346 <span class="keywordflow">if</span> (sdeshdr->sdesid != RTCP_SDES_ID_PRIVATE)
<a name="l00347"></a>00347 <span class="keywordflow">return</span> 0;
<a name="l00348"></a>00348 <span class="keywordflow">if</span> (sdeshdr->length == 0)
<a name="l00349"></a>00349 <span class="keywordflow">return</span> 0;
<a name="l00350"></a>00350 uint8_t *preflen = currentchunk+itemoffset+<span class="keyword">sizeof</span>(RTCPSDESHeader);
<a name="l00351"></a>00351 <span class="keywordtype">size_t</span> prefixlength = (size_t)(*preflen);
<a name="l00352"></a>00352 <span class="keywordflow">if</span> (prefixlength > (<span class="keywordtype">size_t</span>)((sdeshdr->length)-1))
<a name="l00353"></a>00353 <span class="keywordflow">return</span> 0;
<a name="l00354"></a>00354 <span class="keywordflow">return</span> ((<span class="keywordtype">size_t</span>)(sdeshdr->length))-prefixlength-1;
<a name="l00355"></a>00355 }
<a name="l00356"></a>00356
<a name="l00357"></a><a class="code" href="classRTCPSDESPacket.html#57db2f1f406977972f8990f52d365819">00357</a> <span class="keyword">inline</span> uint8_t *<a class="code" href="classRTCPSDESPacket.html#57db2f1f406977972f8990f52d365819" title="If the current item is an SDES PRIV item, this function returns actual value data...">RTCPSDESPacket::GetPRIVValueData</a>()
<a name="l00358"></a>00358 {
<a name="l00359"></a>00359 <span class="keywordflow">if</span> (!knownformat)
<a name="l00360"></a>00360 <span class="keywordflow">return</span> 0;
<a name="l00361"></a>00361 <span class="keywordflow">if</span> (currentchunk == 0)
<a name="l00362"></a>00362 <span class="keywordflow">return</span> 0;
<a name="l00363"></a>00363 RTCPSDESHeader *sdeshdr = (RTCPSDESHeader *)(currentchunk+itemoffset);
<a name="l00364"></a>00364 <span class="keywordflow">if</span> (sdeshdr->sdesid != RTCP_SDES_ID_PRIVATE)
<a name="l00365"></a>00365 <span class="keywordflow">return</span> 0;
<a name="l00366"></a>00366 <span class="keywordflow">if</span> (sdeshdr->length == 0)
<a name="l00367"></a>00367 <span class="keywordflow">return</span> 0;
<a name="l00368"></a>00368 uint8_t *preflen = currentchunk+itemoffset+<span class="keyword">sizeof</span>(RTCPSDESHeader);
<a name="l00369"></a>00369 <span class="keywordtype">size_t</span> prefixlength = (size_t)(*preflen);
<a name="l00370"></a>00370 <span class="keywordflow">if</span> (prefixlength > (<span class="keywordtype">size_t</span>)((sdeshdr->length)-1))
<a name="l00371"></a>00371 <span class="keywordflow">return</span> 0;
<a name="l00372"></a>00372 <span class="keywordtype">size_t</span> valuelen = ((size_t)(sdeshdr->length))-prefixlength-1;
<a name="l00373"></a>00373 <span class="keywordflow">if</span> (valuelen == 0)
<a name="l00374"></a>00374 <span class="keywordflow">return</span> 0;
<a name="l00375"></a>00375 <span class="keywordflow">return</span> (currentchunk+itemoffset+<span class="keyword">sizeof</span>(RTCPSDESHeader)+1+prefixlength);
<a name="l00376"></a>00376 }
<a name="l00377"></a>00377
<a name="l00378"></a>00378 <span class="preprocessor">#endif // RTP_SUPPORT_SDESPRIV</span>
<a name="l00379"></a>00379 <span class="preprocessor"></span>
<a name="l00380"></a>00380 <span class="preprocessor">#endif // RTCPSDESPACKET_H</span>
<a name="l00381"></a>00381 <span class="preprocessor"></span>
</pre></div></div>
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