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<div class="title">include/ortp/rtcp.h</div> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> The oRTP library is an RTP (Realtime Transport Protocol - rfc3550) stack.</span>
<a name="l00003"></a>00003 <span class="comment"> Copyright (C) 2001 Simon MORLAT simon.morlat@linphone.org</span>
<a name="l00004"></a>00004 <span class="comment"></span>
<a name="l00005"></a>00005 <span class="comment"> This library is free software; you can redistribute it and/or</span>
<a name="l00006"></a>00006 <span class="comment"> modify it under the terms of the GNU Lesser General Public</span>
<a name="l00007"></a>00007 <span class="comment"> License as published by the Free Software Foundation; either</span>
<a name="l00008"></a>00008 <span class="comment"> version 2.1 of the License, or (at your option) any later version.</span>
<a name="l00009"></a>00009 <span class="comment"></span>
<a name="l00010"></a>00010 <span class="comment"> This library is distributed in the hope that it will be useful,</span>
<a name="l00011"></a>00011 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00012"></a>00012 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00013"></a>00013 <span class="comment"> Lesser General Public License for more details.</span>
<a name="l00014"></a>00014 <span class="comment"></span>
<a name="l00015"></a>00015 <span class="comment"> You should have received a copy of the GNU Lesser General Public</span>
<a name="l00016"></a>00016 <span class="comment"> License along with this library; if not, write to the Free Software</span>
<a name="l00017"></a>00017 <span class="comment"> Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
<a name="l00018"></a>00018 <span class="comment">*/</span>
<a name="l00019"></a>00019
<a name="l00020"></a>00020
<a name="l00021"></a>00021 <span class="preprocessor">#ifndef RTCP_H</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor">#define RTCP_H</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <ortp/port.h></span>
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="preprocessor">#define RTCP_MAX_RECV_BUFSIZE 1500</span>
<a name="l00027"></a>00027 <span class="preprocessor"></span>
<a name="l00028"></a>00028 <span class="preprocessor">#define RTCP_SENDER_INFO_SIZE 20</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span><span class="preprocessor">#define RTCP_REPORT_BLOCK_SIZE 24</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span><span class="preprocessor">#define RTCP_COMMON_HEADER_SIZE 4</span>
<a name="l00031"></a>00031 <span class="preprocessor"></span><span class="preprocessor">#define RTCP_SSRC_FIELD_SIZE 4</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span>
<a name="l00033"></a>00033 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00034"></a>00034 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span>{
<a name="l00035"></a>00035 <span class="preprocessor">#endif</span>
<a name="l00036"></a>00036 <span class="preprocessor"></span>
<a name="l00037"></a>00037 <span class="comment">/* RTCP common header */</span>
<a name="l00038"></a>00038
<a name="l00039"></a>00039 <span class="keyword">typedef</span> <span class="keyword">enum</span> {
<a name="l00040"></a>00040 RTCP_SR = 200,
<a name="l00041"></a>00041 RTCP_RR = 201,
<a name="l00042"></a>00042 RTCP_SDES = 202,
<a name="l00043"></a>00043 RTCP_BYE = 203,
<a name="l00044"></a>00044 RTCP_APP = 204
<a name="l00045"></a>00045 } rtcp_type_t;
<a name="l00046"></a>00046
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structrtcp__common__header.html">rtcp_common_header</a>
<a name="l00049"></a>00049 {
<a name="l00050"></a>00050 <span class="preprocessor">#ifdef ORTP_BIGENDIAN</span>
<a name="l00051"></a>00051 <span class="preprocessor"></span> uint16_t version:2;
<a name="l00052"></a>00052 uint16_t padbit:1;
<a name="l00053"></a>00053 uint16_t rc:5;
<a name="l00054"></a>00054 uint16_t packet_type:8;
<a name="l00055"></a>00055 <span class="preprocessor">#else</span>
<a name="l00056"></a>00056 <span class="preprocessor"></span> uint16_t rc:5;
<a name="l00057"></a>00057 uint16_t padbit:1;
<a name="l00058"></a>00058 uint16_t version:2;
<a name="l00059"></a>00059 uint16_t packet_type:8;
<a name="l00060"></a>00060 <span class="preprocessor">#endif</span>
<a name="l00061"></a>00061 <span class="preprocessor"></span> uint16_t length:16;
<a name="l00062"></a>00062 } <a class="code" href="structrtcp__common__header.html">rtcp_common_header_t</a>;
<a name="l00063"></a>00063
<a name="l00064"></a>00064 <span class="preprocessor">#define rtcp_common_header_set_version(ch,v) (ch)->version=v</span>
<a name="l00065"></a>00065 <span class="preprocessor"></span><span class="preprocessor">#define rtcp_common_header_set_padbit(ch,p) (ch)->padbit=p</span>
<a name="l00066"></a>00066 <span class="preprocessor"></span><span class="preprocessor">#define rtcp_common_header_set_rc(ch,rc) (ch)->rc=rc</span>
<a name="l00067"></a>00067 <span class="preprocessor"></span><span class="preprocessor">#define rtcp_common_header_set_packet_type(ch,pt) (ch)->packet_type=pt</span>
<a name="l00068"></a>00068 <span class="preprocessor"></span><span class="preprocessor">#define rtcp_common_header_set_length(ch,l) (ch)->length=htons(l)</span>
<a name="l00069"></a>00069 <span class="preprocessor"></span>
<a name="l00070"></a>00070 <span class="preprocessor">#define rtcp_common_header_get_version(ch) ((ch)->version)</span>
<a name="l00071"></a>00071 <span class="preprocessor"></span><span class="preprocessor">#define rtcp_common_header_get padbit(ch) ((ch)->padbit)</span>
<a name="l00072"></a>00072 <span class="preprocessor"></span><span class="preprocessor">#define rtcp_common_header_get_rc(ch) ((ch)->rc)</span>
<a name="l00073"></a>00073 <span class="preprocessor"></span><span class="preprocessor">#define rtcp_common_header_get_packet_type(ch) ((ch)->packet_type)</span>
<a name="l00074"></a>00074 <span class="preprocessor"></span><span class="preprocessor">#define rtcp_common_header_get_length(ch) ntohs((ch)->length)</span>
<a name="l00075"></a>00075 <span class="preprocessor"></span>
<a name="l00076"></a>00076
<a name="l00077"></a>00077 <span class="comment">/* SR or RR packets */</span>
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structsender__info.html">sender_info</a>
<a name="l00080"></a>00080 {
<a name="l00081"></a>00081 uint32_t ntp_timestamp_msw;
<a name="l00082"></a>00082 uint32_t ntp_timestamp_lsw;
<a name="l00083"></a>00083 uint32_t rtp_timestamp;
<a name="l00084"></a>00084 uint32_t senders_packet_count;
<a name="l00085"></a>00085 uint32_t senders_octet_count;
<a name="l00086"></a>00086 } <a class="code" href="structsender__info.html">sender_info_t</a>;
<a name="l00087"></a>00087
<a name="l00088"></a>00088 uint64_t sender_info_get_ntp_timestamp(<span class="keyword">const</span> <a class="code" href="structsender__info.html">sender_info_t</a> *si);
<a name="l00089"></a>00089 <span class="preprocessor">#define sender_info_get_rtp_timestamp(si) ((si)->rtp_timestamp)</span>
<a name="l00090"></a>00090 <span class="preprocessor"></span><span class="preprocessor">#define sender_info_get_packet_count(si) \</span>
<a name="l00091"></a>00091 <span class="preprocessor"> ntohl((si)->senders_packet_count)</span>
<a name="l00092"></a>00092 <span class="preprocessor"></span><span class="preprocessor">#define sender_info_get_octet_count(si) \</span>
<a name="l00093"></a>00093 <span class="preprocessor"> ntohl((si)->senders_octet_count)</span>
<a name="l00094"></a>00094 <span class="preprocessor"></span>
<a name="l00095"></a>00095
<a name="l00096"></a>00096 <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structreport__block.html">report_block</a>
<a name="l00097"></a>00097 {
<a name="l00098"></a>00098 uint32_t ssrc;
<a name="l00099"></a>00099 uint32_t fl_cnpl;<span class="comment">/*fraction lost + cumulative number of packet lost*/</span>
<a name="l00100"></a>00100 uint32_t ext_high_seq_num_rec; <span class="comment">/*extended highest sequence number received */</span>
<a name="l00101"></a>00101 uint32_t interarrival_jitter;
<a name="l00102"></a>00102 uint32_t lsr; <span class="comment">/*last SR */</span>
<a name="l00103"></a>00103 uint32_t delay_snc_last_sr; <span class="comment">/*delay since last sr*/</span>
<a name="l00104"></a>00104 } <a class="code" href="structreport__block.html">report_block_t</a>;
<a name="l00105"></a>00105
<a name="l00106"></a>00106 <span class="preprocessor">#define report_block_get_ssrc(rb) \</span>
<a name="l00107"></a>00107 <span class="preprocessor"> ntohl((rb)->ssrc)</span>
<a name="l00108"></a>00108 <span class="preprocessor"></span><span class="preprocessor">#define report_block_get_fraction_lost(rb) \</span>
<a name="l00109"></a>00109 <span class="preprocessor"> (((uint32_t)ntohl((rb)->fl_cnpl))>>24)</span>
<a name="l00110"></a>00110 <span class="preprocessor"></span><span class="preprocessor">#define report_block_get_cum_packet_loss(rb) \</span>
<a name="l00111"></a>00111 <span class="preprocessor"> (((uint32_t)ntohl((rb)->fl_cnpl)) & 0xFFFFFF)</span>
<a name="l00112"></a>00112 <span class="preprocessor"></span><span class="preprocessor">#define report_block_get_high_ext_seq(rb) \</span>
<a name="l00113"></a>00113 <span class="preprocessor"> ntohl(((report_block_t*)(rb))->ext_high_seq_num_rec)</span>
<a name="l00114"></a>00114 <span class="preprocessor"></span><span class="preprocessor">#define report_block_get_interarrival_jitter(rb) \</span>
<a name="l00115"></a>00115 <span class="preprocessor"> ntohl(((report_block_t*)(rb))->interarrival_jitter)</span>
<a name="l00116"></a>00116 <span class="preprocessor"></span><span class="preprocessor">#define report_block_get_last_SR_time(rb) \</span>
<a name="l00117"></a>00117 <span class="preprocessor"> ntohl(((report_block_t*)(rb))->lsr)</span>
<a name="l00118"></a>00118 <span class="preprocessor"></span><span class="preprocessor">#define report_block_get_last_SR_delay(rb) \</span>
<a name="l00119"></a>00119 <span class="preprocessor"> ntohl(((report_block_t*)(rb))->delay_snc_last_sr)</span>
<a name="l00120"></a>00120 <span class="preprocessor"></span>
<a name="l00121"></a>00121 <span class="preprocessor">#define report_block_set_fraction_lost(rb,fl)\</span>
<a name="l00122"></a>00122 <span class="preprocessor"> ((rb)->fl_cnpl)=htonl( (ntohl((rb)->fl_cnpl) & 0xFFFFFF) | (((fl) & 0xFF)<<24))</span>
<a name="l00123"></a>00123 <span class="preprocessor"></span>
<a name="l00124"></a>00124 <span class="preprocessor">#define report_block_set_cum_packet_lost(rb,cpl)\</span>
<a name="l00125"></a>00125 <span class="preprocessor"> ((rb)->fl_cnpl)=htonl( (ntohl((rb)->fl_cnpl) & 0xFF000000) | (((cpl) & 0xFFFFFF)))</span>
<a name="l00126"></a>00126 <span class="preprocessor"></span>
<a name="l00127"></a>00127 <span class="comment">/* SDES packets */</span>
<a name="l00128"></a>00128
<a name="l00129"></a>00129 <span class="keyword">typedef</span> <span class="keyword">enum</span> {
<a name="l00130"></a>00130 RTCP_SDES_END = 0,
<a name="l00131"></a>00131 RTCP_SDES_CNAME = 1,
<a name="l00132"></a>00132 RTCP_SDES_NAME = 2,
<a name="l00133"></a>00133 RTCP_SDES_EMAIL = 3,
<a name="l00134"></a>00134 RTCP_SDES_PHONE = 4,
<a name="l00135"></a>00135 RTCP_SDES_LOC = 5,
<a name="l00136"></a>00136 RTCP_SDES_TOOL = 6,
<a name="l00137"></a>00137 RTCP_SDES_NOTE = 7,
<a name="l00138"></a>00138 RTCP_SDES_PRIV = 8,
<a name="l00139"></a>00139 RTCP_SDES_MAX = 9
<a name="l00140"></a>00140 } rtcp_sdes_type_t;
<a name="l00141"></a>00141
<a name="l00142"></a>00142 <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structsdes__chunk.html">sdes_chunk</a>
<a name="l00143"></a>00143 {
<a name="l00144"></a>00144 uint32_t csrc;
<a name="l00145"></a>00145 } <a class="code" href="structsdes__chunk.html">sdes_chunk_t</a>;
<a name="l00146"></a>00146
<a name="l00147"></a>00147
<a name="l00148"></a>00148 <span class="preprocessor">#define sdes_chunk_get_csrc(c) ntohl((c)->csrc)</span>
<a name="l00149"></a>00149 <span class="preprocessor"></span>
<a name="l00150"></a>00150 <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structsdes__item.html">sdes_item</a>
<a name="l00151"></a>00151 {
<a name="l00152"></a>00152 uint8_t item_type;
<a name="l00153"></a>00153 uint8_t len;
<a name="l00154"></a>00154 <span class="keywordtype">char</span> content[1];
<a name="l00155"></a>00155 } <a class="code" href="structsdes__item.html">sdes_item_t</a>;
<a name="l00156"></a>00156
<a name="l00157"></a>00157 <span class="preprocessor">#define RTCP_SDES_MAX_STRING_SIZE 255</span>
<a name="l00158"></a>00158 <span class="preprocessor"></span><span class="preprocessor">#define RTCP_SDES_ITEM_HEADER_SIZE 2</span>
<a name="l00159"></a>00159 <span class="preprocessor"></span><span class="preprocessor">#define RTCP_SDES_CHUNK_DEFAULT_SIZE 1024</span>
<a name="l00160"></a>00160 <span class="preprocessor"></span><span class="preprocessor">#define RTCP_SDES_CHUNK_HEADER_SIZE (sizeof(sdes_chunk_t))</span>
<a name="l00161"></a>00161 <span class="preprocessor"></span>
<a name="l00162"></a>00162 <span class="comment">/* RTCP bye packet */</span>
<a name="l00163"></a>00163
<a name="l00164"></a>00164 <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structrtcp__bye__reason.html">rtcp_bye_reason</a>
<a name="l00165"></a>00165 {
<a name="l00166"></a>00166 uint8_t len;
<a name="l00167"></a>00167 <span class="keywordtype">char</span> content[1];
<a name="l00168"></a>00168 } <a class="code" href="structrtcp__bye__reason.html">rtcp_bye_reason_t</a>;
<a name="l00169"></a>00169
<a name="l00170"></a>00170 <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structrtcp__bye.html">rtcp_bye</a>
<a name="l00171"></a>00171 {
<a name="l00172"></a>00172 <a class="code" href="structrtcp__common__header.html">rtcp_common_header_t</a> ch;
<a name="l00173"></a>00173 uint32_t ssrc[1]; <span class="comment">/* the bye may contain several ssrc/csrc */</span>
<a name="l00174"></a>00174 } <a class="code" href="structrtcp__bye.html">rtcp_bye_t</a>;
<a name="l00175"></a>00175 <span class="preprocessor">#define RTCP_BYE_HEADER_SIZE sizeof(rtcp_bye_t)</span>
<a name="l00176"></a>00176 <span class="preprocessor"></span><span class="preprocessor">#define RTCP_BYE_REASON_MAX_STRING_SIZE 255</span>
<a name="l00177"></a>00177 <span class="preprocessor"></span>
<a name="l00178"></a>00178
<a name="l00179"></a>00179
<a name="l00180"></a>00180 <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structrtcp__sr.html">rtcp_sr</a>{
<a name="l00181"></a>00181 <a class="code" href="structrtcp__common__header.html">rtcp_common_header_t</a> ch;
<a name="l00182"></a>00182 uint32_t ssrc;
<a name="l00183"></a>00183 <a class="code" href="structsender__info.html">sender_info_t</a> si;
<a name="l00184"></a>00184 <a class="code" href="structreport__block.html">report_block_t</a> rb[1];
<a name="l00185"></a>00185 } <a class="code" href="structrtcp__sr.html">rtcp_sr_t</a>;
<a name="l00186"></a>00186
<a name="l00187"></a>00187 <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structrtcp__rr.html">rtcp_rr</a>{
<a name="l00188"></a>00188 <a class="code" href="structrtcp__common__header.html">rtcp_common_header_t</a> ch;
<a name="l00189"></a>00189 uint32_t ssrc;
<a name="l00190"></a>00190 <a class="code" href="structreport__block.html">report_block_t</a> rb[1];
<a name="l00191"></a>00191 } <a class="code" href="structrtcp__rr.html">rtcp_rr_t</a>;
<a name="l00192"></a>00192
<a name="l00193"></a>00193 <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structrtcp__app.html">rtcp_app</a>{
<a name="l00194"></a>00194 <a class="code" href="structrtcp__common__header.html">rtcp_common_header_t</a> ch;
<a name="l00195"></a>00195 uint32_t ssrc;
<a name="l00196"></a>00196 <span class="keywordtype">char</span> name[4];
<a name="l00197"></a>00197 } <a class="code" href="structrtcp__app.html">rtcp_app_t</a>;
<a name="l00198"></a>00198
<a name="l00199"></a>00199 <span class="keyword">struct </span><a class="code" href="struct__RtpSession.html">_RtpSession</a>;
<a name="l00200"></a>00200 <span class="keywordtype">void</span> rtp_session_rtcp_process_send(<span class="keyword">struct</span> <a class="code" href="struct__RtpSession.html">_RtpSession</a> *s);
<a name="l00201"></a>00201 <span class="keywordtype">void</span> rtp_session_rtcp_process_recv(<span class="keyword">struct</span> <a class="code" href="struct__RtpSession.html">_RtpSession</a> *s);
<a name="l00202"></a>00202
<a name="l00203"></a>00203
<a name="l00204"></a>00204 <span class="preprocessor">#define RTCP_DEFAULT_REPORT_INTERVAL 5000 </span><span class="comment">/*ms*/</span>
<a name="l00205"></a>00205
<a name="l00206"></a>00206
<a name="l00207"></a>00207 <span class="comment">/* packet parsing api */</span>
<a name="l00208"></a>00208
<a name="l00209"></a>00209 <span class="comment">/*in case of coumpound packet, set read pointer of m to the beginning of the next RTCP</span>
<a name="l00210"></a>00210 <span class="comment">packet */</span>
<a name="l00211"></a>00211 bool_t rtcp_next_packet(<a class="code" href="structmsgb.html">mblk_t</a> *m);
<a name="l00212"></a>00212 <span class="comment">/* put the read pointer at the first RTCP packet of the compound packet (as before any previous calls ot rtcp_next_packet() */</span>
<a name="l00213"></a>00213 <span class="keywordtype">void</span> rtcp_rewind(<a class="code" href="structmsgb.html">mblk_t</a> *m);
<a name="l00214"></a>00214 <span class="comment">/* get common header*/</span>
<a name="l00215"></a>00215 <span class="keyword">const</span> <a class="code" href="structrtcp__common__header.html">rtcp_common_header_t</a> * rtcp_get_common_header(<span class="keyword">const</span> <a class="code" href="structmsgb.html">mblk_t</a> *m);
<a name="l00216"></a>00216
<a name="l00217"></a>00217 <span class="comment">/*Sender Report accessors */</span>
<a name="l00218"></a>00218 <span class="comment">/* check if this packet is a SR and if it is correct */</span>
<a name="l00219"></a>00219 bool_t rtcp_is_SR(<span class="keyword">const</span> <a class="code" href="structmsgb.html">mblk_t</a> *m);
<a name="l00220"></a>00220 uint32_t rtcp_SR_get_ssrc(<span class="keyword">const</span> <a class="code" href="structmsgb.html">mblk_t</a> *m);
<a name="l00221"></a>00221 <span class="keyword">const</span> <a class="code" href="structsender__info.html">sender_info_t</a> * rtcp_SR_get_sender_info(<span class="keyword">const</span> <a class="code" href="structmsgb.html">mblk_t</a> *m);
<a name="l00222"></a>00222 <span class="keyword">const</span> <a class="code" href="structreport__block.html">report_block_t</a> * rtcp_SR_get_report_block(<span class="keyword">const</span> <a class="code" href="structmsgb.html">mblk_t</a> *m, <span class="keywordtype">int</span> idx);
<a name="l00223"></a>00223
<a name="l00224"></a>00224 <span class="comment">/*Receiver report accessors*/</span>
<a name="l00225"></a>00225 bool_t rtcp_is_RR(<span class="keyword">const</span> <a class="code" href="structmsgb.html">mblk_t</a> *m);
<a name="l00226"></a>00226 uint32_t rtcp_RR_get_ssrc(<span class="keyword">const</span> <a class="code" href="structmsgb.html">mblk_t</a> *m);
<a name="l00227"></a>00227 <span class="keyword">const</span> <a class="code" href="structreport__block.html">report_block_t</a> * rtcp_RR_get_report_block(<span class="keyword">const</span> <a class="code" href="structmsgb.html">mblk_t</a> *m,<span class="keywordtype">int</span> idx);
<a name="l00228"></a>00228
<a name="l00229"></a>00229 <span class="comment">/*SDES accessors */</span>
<a name="l00230"></a>00230 bool_t rtcp_is_SDES(<span class="keyword">const</span> <a class="code" href="structmsgb.html">mblk_t</a> *m);
<a name="l00231"></a>00231 <span class="keyword">typedef</span> void (*SdesItemFoundCallback)(<span class="keywordtype">void</span> *user_data, uint32_t csrc, rtcp_sdes_type_t t, <span class="keyword">const</span> <span class="keywordtype">char</span> *content, uint8_t content_len);
<a name="l00232"></a>00232 <span class="keywordtype">void</span> rtcp_sdes_parse(<span class="keyword">const</span> <a class="code" href="structmsgb.html">mblk_t</a> *m, SdesItemFoundCallback cb, <span class="keywordtype">void</span> *user_data);
<a name="l00233"></a>00233
<a name="l00234"></a>00234 <span class="comment">/*BYE accessors */</span>
<a name="l00235"></a>00235 bool_t rtcp_is_BYE(<span class="keyword">const</span> <a class="code" href="structmsgb.html">mblk_t</a> *m);
<a name="l00236"></a>00236 bool_t rtcp_BYE_get_ssrc(<span class="keyword">const</span> <a class="code" href="structmsgb.html">mblk_t</a> *m, <span class="keywordtype">int</span> idx, uint32_t *ssrc);
<a name="l00237"></a>00237 bool_t rtcp_BYE_get_reason(<span class="keyword">const</span> <a class="code" href="structmsgb.html">mblk_t</a> *m, <span class="keyword">const</span> <span class="keywordtype">char</span> **reason, <span class="keywordtype">int</span> *reason_len);
<a name="l00238"></a>00238
<a name="l00239"></a>00239 <span class="comment">/*APP accessors */</span>
<a name="l00240"></a>00240 bool_t rtcp_is_APP(<span class="keyword">const</span> <a class="code" href="structmsgb.html">mblk_t</a> *m);
<a name="l00241"></a>00241 <span class="keywordtype">int</span> rtcp_APP_get_subtype(<span class="keyword">const</span> <a class="code" href="structmsgb.html">mblk_t</a> *m);
<a name="l00242"></a>00242 uint32_t rtcp_APP_get_ssrc(<span class="keyword">const</span> <a class="code" href="structmsgb.html">mblk_t</a> *m);
<a name="l00243"></a>00243 <span class="comment">/* name argument is supposed to be at least 4 characters (note: no '\0' written)*/</span>
<a name="l00244"></a>00244 <span class="keywordtype">void</span> rtcp_APP_get_name(<span class="keyword">const</span> <a class="code" href="structmsgb.html">mblk_t</a> *m, <span class="keywordtype">char</span> *name);
<a name="l00245"></a>00245 <span class="comment">/* retrieve the data. when returning, data points directly into the mblk_t */</span>
<a name="l00246"></a>00246 <span class="keywordtype">void</span> rtcp_APP_get_data(<span class="keyword">const</span> <a class="code" href="structmsgb.html">mblk_t</a> *m, uint8_t **data, <span class="keywordtype">int</span> *len);
<a name="l00247"></a>00247
<a name="l00248"></a>00248
<a name="l00249"></a>00249 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00250"></a>00250 <span class="preprocessor"></span>}
<a name="l00251"></a>00251 <span class="preprocessor">#endif</span>
<a name="l00252"></a>00252 <span class="preprocessor"></span>
<a name="l00253"></a>00253 <span class="preprocessor">#endif</span>
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