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<hr><h1>rtpext.h</h1><a href="rtpext_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 <font class="comment">// Copyright (C) 1999-2001 Open Source Telecom Corporation.</font>
00002 <font class="comment">// </font>
00003 <font class="comment">// This program is free software; you can redistribute it and/or modify</font>
00004 <font class="comment">// it under the terms of the GNU General Public License as published by</font>
00005 <font class="comment">// the Free Software Foundation; either version 2 of the License, or</font>
00006 <font class="comment">// (at your option) any later version.</font>
00007 <font class="comment">// </font>
00008 <font class="comment">// This program is distributed in the hope that it will be useful,</font>
00009 <font class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00010 <font class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</font>
00011 <font class="comment">// GNU General Public License for more details.</font>
00012 <font class="comment">// </font>
00013 <font class="comment">// You should have received a copy of the GNU General Public License</font>
00014 <font class="comment">// along with this program; if not, write to the Free Software </font>
00015 <font class="comment">// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.</font>
00016 <font class="comment">// </font>
00017 <font class="comment">// As a special exception to the GNU General Public License, permission is </font>
00018 <font class="comment">// granted for additional uses of the text contained in its release </font>
00019 <font class="comment">// of ccRTP.</font>
00020 <font class="comment">// </font>
00021 <font class="comment">// The exception is that, if you link the ccRTP library with other</font>
00022 <font class="comment">// files to produce an executable, this does not by itself cause the</font>
00023 <font class="comment">// resulting executable to be covered by the GNU General Public License.</font>
00024 <font class="comment">// Your use of that executable is in no way restricted on account of</font>
00025 <font class="comment">// linking the ccRTP library code into it.</font>
00026 <font class="comment">// </font>
00027 <font class="comment">// This exception does not however invalidate any other reasons why</font>
00028 <font class="comment">// the executable file might be covered by the GNU General Public License.</font>
00029 <font class="comment">// </font>
00030 <font class="comment">// This exception applies only to the code released under the </font>
00031 <font class="comment">// name ccRTP. If you copy code from other releases into a copy of</font>
00032 <font class="comment">// ccRTP, as the General Public License permits, the exception does</font>
00033 <font class="comment">// not apply to the code that you add in this way. To avoid misleading</font>
00034 <font class="comment">// anyone as to the status of such modified files, you must delete</font>
00035 <font class="comment">// this exception notice from them.</font>
00036 <font class="comment">// </font>
00037 <font class="comment">// If you write modifications of your own for ccRTP, it is your choice</font>
00038 <font class="comment">// whether to permit this exception to apply to your modifications.</font>
00039 <font class="comment">// If you do not wish that, delete this exception notice. </font>
00040
00049 <font class="preprocessor">#ifndef CCXX_RTPEXT_H</font>
00050 <font class="preprocessor"></font><font class="preprocessor"># define CCXX_RTPEXT_H</font>
00051 <font class="preprocessor"></font>
00052 <font class="preprocessor">#ifdef CCXX_NAMESPACES</font>
00053 <font class="preprocessor"></font><font class="keyword">namespace </font>ost {
00054 <font class="preprocessor">#endif</font>
00055 <font class="preprocessor"></font>
00065 <font class="keyword">class </font>CCXX_CLASS_EXPORT <a class="code" href="class_r_t_p_packet.html">RTPPacket</a>
00066 {
00067 <font class="keyword">protected</font>:
00068 <font class="preprocessor">#pragma pack(1)</font>
00069 <font class="preprocessor"></font>
00081 <font class="keyword">struct </font>RTPFixedHeader
00082 {
00083 <font class="preprocessor">#if __BYTE_ORDER == __BIG_ENDIAN</font>
00084 <font class="preprocessor"></font>
<a name="l00085"></a><a class="code" href="struct_r_t_p_packet_1_1_r_t_p_fixed_header.html#m0">00085</a> <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> version:2;
<a name="l00086"></a><a class="code" href="struct_r_t_p_packet_1_1_r_t_p_fixed_header.html#m1">00086</a> <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> padding:1;
<a name="l00087"></a><a class="code" href="struct_r_t_p_packet_1_1_r_t_p_fixed_header.html#m2">00087</a> <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> extension:1;
<a name="l00088"></a><a class="code" href="struct_r_t_p_packet_1_1_r_t_p_fixed_header.html#m3">00088</a> <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> cc:4;
<a name="l00089"></a><a class="code" href="struct_r_t_p_packet_1_1_r_t_p_fixed_header.html#m4">00089</a> <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> marker:1;
<a name="l00090"></a><a class="code" href="struct_r_t_p_packet_1_1_r_t_p_fixed_header.html#m5">00090</a> <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> payload:7;
00091 <font class="preprocessor">#else</font>
00092 <font class="preprocessor"></font>
00093 <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> cc:4;
00094 <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> extension:1;
00095 <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> padding:1;
00096 <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> version:2;
00097 <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> payload:7;
00098 <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> marker:1;
00099 <font class="preprocessor">#endif</font>
<a name="l00100"></a><a class="code" href="struct_r_t_p_packet_1_1_r_t_p_fixed_header.html#m6">00100</a> <font class="preprocessor"></font> uint16 sequence;
<a name="l00101"></a><a class="code" href="struct_r_t_p_packet_1_1_r_t_p_fixed_header.html#m7">00101</a> uint32 timestamp;
<a name="l00102"></a><a class="code" href="struct_r_t_p_packet_1_1_r_t_p_fixed_header.html#m8">00102</a> uint32 sources[1];
00103 };
00104
00112 <font class="keyword">typedef</font> <font class="keyword">struct</font>
00113 <font class="keyword"> </font>{
<a name="l00114"></a><a class="code" href="struct_r_t_p_packet_1_1_r_t_p_header_ext.html#m0">00114</a> uint16 undefined;
<a name="l00115"></a><a class="code" href="struct_r_t_p_packet_1_1_r_t_p_header_ext.html#m1">00115</a> uint16 length;
00116 } RTPHeaderExt;
00117 <font class="preprocessor">#pragma pack()</font>
00118 <font class="preprocessor"></font>
00119 <font class="comment">// size of the header, including contributing sources and extensions</font>
<a name="l00120"></a><a class="code" href="class_r_t_p_packet.html#n0">00120</a> uint32 hdrsize;
00121 <font class="comment">// note: payload (not full packet) size.</font>
<a name="l00122"></a><a class="code" href="class_r_t_p_packet.html#n1">00122</a> uint32 payload_size;
00123 <font class="comment">// total length, including header, extension, payload and padding</font>
<a name="l00124"></a><a class="code" href="class_r_t_p_packet.html#n2">00124</a> uint32 total;
00125 <font class="comment">// packet in memory</font>
<a name="l00126"></a><a class="code" href="class_r_t_p_packet.html#n3">00126</a> <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font>* buffer;
00127 <font class="comment">// whether the object was contructed with duplicated = true</font>
<a name="l00128"></a><a class="code" href="class_r_t_p_packet.html#n4">00128</a> <font class="keywordtype">bool</font> duplicated;
00129
00130 <font class="keyword">public</font>:
00142 RTPPacket(<font class="keyword">const</font> <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font>* <font class="keyword">const</font> block, size_t len,
00143 <font class="keywordtype">bool</font> duplicate = <font class="keyword">false</font>);
00144
00153 RTPPacket(size_t hdrlen, size_t plen);
00154
00158 <font class="comment">// virtual</font>
<a name="l00159"></a><a class="code" href="class_r_t_p_packet.html#a2">00159</a> ~RTPPacket()<font class="keyword"></font>
00160 <font class="keyword"> </font>{ endPacket(); };
00161
00167 <font class="keyword">inline</font> <font class="keyword">const</font> RTPFixedHeader*
<a name="l00168"></a><a class="code" href="class_r_t_p_packet.html#a3">00168</a> getHeader(<font class="keywordtype">void</font>)<font class="keyword"> const</font>
00169 <font class="keyword"> </font>{ <font class="keywordflow">return</font> reinterpret_cast<const RTPFixedHeader*>(buffer); };
00170
00177 <font class="keyword">inline</font> uint32
<a name="l00178"></a><a class="code" href="class_r_t_p_packet.html#a4">00178</a> getHeaderSize(<font class="keywordtype">void</font>)<font class="keyword"> const</font>
00179 <font class="keyword"> </font>{ <font class="keywordflow">return</font> hdrsize; };
00180
00188 <font class="keyword">inline</font> <font class="keyword">const</font> RTPHeaderExt*
<a name="l00189"></a><a class="code" href="class_r_t_p_packet.html#a5">00189</a> getHeaderExt()<font class="keyword"> const</font>
00190 <font class="keyword"> </font>{ uint32 fixsize = <font class="keyword">sizeof</font>(RTPFixedHeader) +
00191 (getHeader()->cc << 2);
00192 <font class="keywordflow">return</font> (reinterpret_cast<RTPHeaderExt*>(buffer + fixsize));
00193 }
00194
00199 <font class="keyword">inline</font> <font class="keyword">const</font> <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font>* <font class="keyword">const</font>
<a name="l00200"></a><a class="code" href="class_r_t_p_packet.html#a6">00200</a> getPayload(<font class="keywordtype">void</font>)<font class="keyword"> const</font>
00201 <font class="keyword"> </font>{ <font class="keywordflow">return</font> buffer + getHeaderSize(); };
00202
00206 <font class="keyword">inline</font> uint32
<a name="l00207"></a><a class="code" href="class_r_t_p_packet.html#a7">00207</a> getPayloadSize()<font class="keyword"> const</font>
00208 <font class="keyword"> </font>{ <font class="keywordflow">return</font> payload_size; };
00209
00213 <font class="keyword">inline</font> rtp_payload_t
<a name="l00214"></a><a class="code" href="class_r_t_p_packet.html#a8">00214</a> getPayloadType()<font class="keyword"> const</font>
00215 <font class="keyword"> </font>{ <font class="keywordflow">return</font> static_cast<rtp_payload_t>(getHeader()->payload); };
00216
00220 <font class="keyword">inline</font> uint16
<a name="l00221"></a><a class="code" href="class_r_t_p_packet.html#a9">00221</a> getSeqNum()<font class="keyword"> const</font>
00222 <font class="keyword"> </font>{ <font class="keywordflow">return</font> ntohs(getHeader()->sequence); };
00223
00228 <font class="keyword">inline</font> <font class="keywordtype">bool</font>
<a name="l00229"></a><a class="code" href="class_r_t_p_packet.html#a10">00229</a> isPadded()<font class="keyword"> const</font>
00230 <font class="keyword"> </font>{ <font class="keywordflow">return</font> getHeader()->padding; };
00231
00237 <font class="keyword">inline</font> uint8
<a name="l00238"></a><a class="code" href="class_r_t_p_packet.html#a11">00238</a> getPaddingSize()<font class="keyword"> const</font>
00239 <font class="keyword"> </font>{ <font class="keywordflow">return</font> buffer[total - 1]; };
00240
00246 <font class="keyword">inline</font> <font class="keywordtype">bool</font>
<a name="l00247"></a><a class="code" href="class_r_t_p_packet.html#a12">00247</a> isMarked()<font class="keyword"> const</font>
00248 <font class="keyword"> </font>{ <font class="keywordflow">return</font> getHeader()->marker; };
00249
00254 <font class="keyword">inline</font> <font class="keywordtype">bool</font>
<a name="l00255"></a><a class="code" href="class_r_t_p_packet.html#a13">00255</a> isExtended()<font class="keyword"> const</font>
00256 <font class="keyword"> </font>{ <font class="keywordflow">return</font> getHeader()->extension; };
00257
00262 <font class="keyword">inline</font> uint16
<a name="l00263"></a><a class="code" href="class_r_t_p_packet.html#a14">00263</a> getCSRCsCount()<font class="keyword"> const</font>
00264 <font class="keyword"> </font>{ <font class="keywordflow">return</font> getHeader()->cc; };
00265
00270 <font class="keyword">inline</font> <font class="keyword">const</font> uint32*
<a name="l00271"></a><a class="code" href="class_r_t_p_packet.html#a15">00271</a> getCSRCs()<font class="keyword"> const</font>
00272 <font class="keyword"> </font>{ <font class="keywordflow">return</font> static_cast<const uint32*>(&(getHeader()->sources[1])); };
00273
00280 <font class="keyword">inline</font> <font class="keyword">const</font> <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font>* <font class="keyword">const</font>
<a name="l00281"></a><a class="code" href="class_r_t_p_packet.html#a16">00281</a> getRawPacket()<font class="keyword"> const</font>
00282 <font class="keyword"> </font>{ <font class="keywordflow">return</font> buffer; };
00283
00290 <font class="keyword">inline</font> uint32
<a name="l00291"></a><a class="code" href="class_r_t_p_packet.html#a17">00291</a> getRawPacketSize()<font class="keyword"> const</font>
00292 <font class="keyword"> </font>{ <font class="keywordflow">return</font> total; };
00293
00294 <font class="keyword">protected</font>:
00300 <font class="keyword">inline</font> uint32
<a name="l00301"></a><a class="code" href="class_r_t_p_packet.html#b0">00301</a> getRawTimestamp(<font class="keywordtype">void</font>)<font class="keyword"> const</font>
00302 <font class="keyword"> </font>{ <font class="keywordflow">return</font> ntohl(getHeader()->timestamp); };
00303
00304 <font class="keyword">inline</font> <font class="keywordtype">void</font>
<a name="l00305"></a><a class="code" href="class_r_t_p_packet.html#b1">00305</a> setbuffer(<font class="keyword">const</font> <font class="keywordtype">void</font>* src, size_t len, size_t pos)<font class="keyword"></font>
00306 <font class="keyword"> </font>{ memcpy(buffer + pos,src,len); }
00307
00311 <font class="keywordtype">void</font>
00312 endPacket();
00313 };
00314
00326 <font class="keyword">class </font>CCXX_CLASS_EXPORT <a class="code" href="class_outgoing_r_t_p_pkt.html">OutgoingRTPPkt</a>: <font class="keyword">public</font> <a class="code" href="class_r_t_p_packet.html">RTPPacket</a>
00327 {
00328 <font class="keyword">public</font>:
00346 <a class="code" href="rtp_8h.html#a4">OutgoingRTPPkt::OutgoingRTPPkt</a>(
00347 <font class="keyword">const</font> uint32* <font class="keyword">const</font> csrcs, uint16 numcsrc,
00348 <font class="keyword">const</font> <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font>* <font class="keyword">const</font> hdrext, uint32 hdrextlen,
00349 <font class="keyword">const</font> <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font>* <font class="keyword">const</font> data, uint32 datalen);
00350
00362 <a class="code" href="rtp_8h.html#a4">OutgoingRTPPkt::OutgoingRTPPkt</a>(
00363 <font class="keyword">const</font> uint32* <font class="keyword">const</font> csrcs, uint16 numcsrc,
00364 <font class="keyword">const</font> <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font>* <font class="keyword">const</font> data, uint32 datalen);
00365
00366 <font class="comment">/*</font>
00367 <font class="comment"> * Construct a new packet to be sent containing no</font>
00368 <font class="comment"> * contributing source identifiers nor header extension. A new</font>
00369 <font class="comment"> * copy in memory is done prepending the fixed header.</font>
00370 <font class="comment"> *</font>
00371 <font class="comment"> * @param csrcs array of countributing source 32-bit identifiers</font>
00372 <font class="comment"> * @param numcsrc number of CSRC identifiers in the array</font>
00373 <font class="comment"> * @param data payload</font>
00374 <font class="comment"> * @param datalen payload length, in octets</font>
00375 <font class="comment"> * */</font>
00376 <a class="code" href="rtp_8h.html#a4">OutgoingRTPPkt::OutgoingRTPPkt</a>(
00377 <font class="keyword">const</font> <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font>* <font class="keyword">const</font> data, uint32 datalen);
00378
00382 ~OutgoingRTPPkt();
00383
00387 <font class="keyword">inline</font> <font class="keywordtype">void</font>
<a name="l00388"></a><a class="code" href="class_outgoing_r_t_p_pkt.html#a4">00388</a> setPayloadType(rtp_payload_t pt)<font class="keyword"></font>
00389 <font class="keyword"> </font>{ const_cast<RTPFixedHeader*>(getHeader())->payload = pt; };
00390
00394 <font class="keyword">inline</font> <font class="keywordtype">void</font>
<a name="l00395"></a><a class="code" href="class_outgoing_r_t_p_pkt.html#a5">00395</a> setSeqNum(uint16 seq)<font class="keyword"></font>
00396 <font class="keyword"> </font>{ const_cast<RTPFixedHeader*>(getHeader())->sequence = htons(seq); };
00397
00401 <font class="keyword">inline</font> <font class="keywordtype">void</font>
<a name="l00402"></a><a class="code" href="class_outgoing_r_t_p_pkt.html#a6">00402</a> setTimestamp(uint32 ts)<font class="keyword"></font>
00403 <font class="keyword"> </font>{ const_cast<RTPFixedHeader*>(getHeader())->timestamp =
00404 htonl(ts); };
00405
00412 <font class="keyword">inline</font> <font class="keywordtype">void</font>
<a name="l00413"></a><a class="code" href="class_outgoing_r_t_p_pkt.html#a7">00413</a> setSSRC(uint32 ssrc)<font class="keyword"> const</font>
00414 <font class="keyword"> </font>{ const_cast<RTPFixedHeader*>(getHeader())->sources[0] = ssrc; };
00415
00419 <font class="keyword">inline</font> <font class="keywordtype">void</font>
<a name="l00420"></a><a class="code" href="class_outgoing_r_t_p_pkt.html#a8">00420</a> setMarker(<font class="keywordtype">bool</font> mark)<font class="keyword"></font>
00421 <font class="keyword"> </font>{ const_cast<RTPFixedHeader*>(getHeader())->marker = mark; };
00422
00427 <font class="keyword">inline</font> uint32
<a name="l00428"></a><a class="code" href="class_outgoing_r_t_p_pkt.html#a9">00428</a> getTimestamp()<font class="keyword"> const</font>
00429 <font class="keyword"> </font>{ <font class="keywordflow">return</font> getRawTimestamp(); };
00430
00434 <font class="keyword">inline</font> <font class="keywordtype">bool</font>
<a name="l00435"></a><a class="code" href="class_outgoing_r_t_p_pkt.html#a10">00435</a> operator==(<font class="keyword">const</font> <a class="code" href="class_outgoing_r_t_p_pkt.html">OutgoingRTPPkt</a> &p)<font class="keyword"> const</font>
00436 <font class="keyword"> </font>{ <font class="keywordflow">return</font> ( this->getSeqNum() == p.<a class="code" href="class_r_t_p_packet.html#a9">getSeqNum</a>() ); }
00437
00441 <font class="keyword">inline</font> <font class="keywordtype">bool</font>
<a name="l00442"></a><a class="code" href="class_outgoing_r_t_p_pkt.html#a11">00442</a> operator!=(<font class="keyword">const</font> <a class="code" href="class_outgoing_r_t_p_pkt.html">OutgoingRTPPkt</a> &p)<font class="keyword"> const</font>
00443 <font class="keyword"> </font>{ <font class="keywordflow">return</font> !( *<font class="keyword">this</font>==p ); };
00444
00445 <font class="keyword">private</font>:
00450 <a class="code" href="rtp_8h.html#a4">OutgoingRTPPkt</a>(<font class="keyword">const</font> <a class="code" href="class_outgoing_r_t_p_pkt.html">OutgoingRTPPkt</a> &o);
00451
00456 <a class="code" href="class_outgoing_r_t_p_pkt.html">OutgoingRTPPkt</a>&
00457 operator=(<font class="keyword">const</font> <a class="code" href="class_outgoing_r_t_p_pkt.html">OutgoingRTPPkt</a> &o);
00458
00459 <font class="comment">// prev/next in the sending list</font>
00460 <a class="code" href="class_outgoing_r_t_p_pkt.html">OutgoingRTPPkt</a> *next, *prev;
00461
<a name="l00462"></a><a class="code" href="class_outgoing_r_t_p_pkt.html#l0">00462</a> <font class="keyword">friend</font> <font class="keyword">class </font><a class="code" href="class_r_t_p_queue.html">RTPQueue</a>;
00463 };
00464
00478 <font class="keyword">class </font>CCXX_CLASS_EXPORT <a class="code" href="class_incoming_r_t_p_pkt.html">IncomingRTPPkt</a> : <font class="keyword">public</font> <a class="code" href="class_r_t_p_packet.html">RTPPacket</a>
00479 {
00480 <font class="keyword">public</font>:
00500 <a class="code" href="rtp_8h.html#a3">IncomingRTPPkt</a>(<a class="code" href="class_r_t_p_queue.html">RTPQueue</a> &queue, <font class="keyword">const</font> <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font>* block,
00501 size_t len, <font class="keyword">struct</font> timeval recvtime);
00502
00506 ~IncomingRTPPkt();
00507
00513 <font class="keyword">inline</font> <font class="keywordtype">bool</font>
<a name="l00514"></a><a class="code" href="class_incoming_r_t_p_pkt.html#a2">00514</a> isHeaderValid()<font class="keyword"></font>
00515 <font class="keyword"> </font>{ <font class="keywordflow">return</font> valid; }
00516
00520 <font class="keyword">inline</font> <font class="keywordtype">bool</font>
<a name="l00521"></a><a class="code" href="class_incoming_r_t_p_pkt.html#a3">00521</a> operator==(<font class="keyword">const</font> <a class="code" href="class_incoming_r_t_p_pkt.html">IncomingRTPPkt</a> &p)<font class="keyword"> const</font>
00522 <font class="keyword"> </font>{ <font class="keywordflow">return</font> ( (this->getSeqNum() == p.<a class="code" href="class_r_t_p_packet.html#a9">getSeqNum</a>()) &&
00523 (this->getSSRC() == p.<a class="code" href="class_incoming_r_t_p_pkt.html#a5">getSSRC</a>()) ); }
00524
00528 <font class="keyword">inline</font> <font class="keywordtype">bool</font>
<a name="l00529"></a><a class="code" href="class_incoming_r_t_p_pkt.html#a4">00529</a> operator!=(<font class="keyword">const</font> <a class="code" href="class_incoming_r_t_p_pkt.html">IncomingRTPPkt</a> &p)<font class="keyword"> const</font>
00530 <font class="keyword"> </font>{ <font class="keywordflow">return</font> !( *<font class="keyword">this</font> == p ); };
00531
00538 <font class="keyword">inline</font> uint32
<a name="l00539"></a><a class="code" href="class_incoming_r_t_p_pkt.html#a5">00539</a> getSSRC()<font class="keyword"> const</font>
00540 <font class="keyword"> </font>{ <font class="keywordflow">return</font> static_cast<uint32>(getHeader()->sources[0]); };
00541
00548 <font class="keyword">inline</font> <a class="code" href="class_r_t_p_source.html">RTPSource</a>&
<a name="l00549"></a><a class="code" href="class_incoming_r_t_p_pkt.html#a6">00549</a> getSource()<font class="keyword"> const</font>
00550 <font class="keyword"> </font>{ <font class="keywordflow">return</font> source; };
00551
00560 <font class="keyword">inline</font> uint32
<a name="l00561"></a><a class="code" href="class_incoming_r_t_p_pkt.html#a7">00561</a> getTimestamp()<font class="keyword"> const</font>
00562 <font class="keyword"> </font>{ <font class="keywordflow">return</font> cached_timestamp; };
00563
00571 <font class="keyword">inline</font> <font class="keywordtype">void</font>
<a name="l00572"></a><a class="code" href="class_incoming_r_t_p_pkt.html#a8">00572</a> setRecvTimestamp(<font class="keyword">const</font> timeval &t)<font class="keyword"></font>
00573 <font class="keyword"> </font>{ reception_timestamp = t; }
00574
00582 <font class="keyword">inline</font> timeval
<a name="l00583"></a><a class="code" href="class_incoming_r_t_p_pkt.html#a9">00583</a> getRecvTimestamp()<font class="keyword"> const</font>
00584 <font class="keyword"> </font>{ <font class="keywordflow">return</font> reception_timestamp; }
00585
00598 <font class="keyword">inline</font> uint16
<a name="l00599"></a><a class="code" href="class_incoming_r_t_p_pkt.html#a10">00599</a> getExtUndefined()<font class="keyword"> const</font>
00600 <font class="keyword"> </font>{ <font class="keywordflow">return</font> (isExtended()? getHeaderExt()->undefined : 0); };
00601
00613 <font class="keyword">inline</font> uint32
<a name="l00614"></a><a class="code" href="class_incoming_r_t_p_pkt.html#a11">00614</a> getExtSize()<font class="keyword"> const</font>
00615 <font class="keyword"> </font>{ <font class="keywordflow">return</font> (isExtended()? getHeaderExt()->length : 0); };
00616
00617 <font class="keyword">private</font>:
00622 <a class="code" href="rtp_8h.html#a3">IncomingRTPPkt</a>(<font class="keyword">const</font> <a class="code" href="class_incoming_r_t_p_pkt.html">IncomingRTPPkt</a> &ip);
00623
00628 <a class="code" href="class_incoming_r_t_p_pkt.html">IncomingRTPPkt</a>&
00629 operator=(<font class="keyword">const</font> <a class="code" href="class_incoming_r_t_p_pkt.html">IncomingRTPPkt</a> &ip);
00630
00631 <font class="comment">// prev/next in the general list</font>
00632 <a class="code" href="class_incoming_r_t_p_pkt.html">IncomingRTPPkt</a> *next, *prev;
00633 <font class="comment">// prev/next in the source specific list</font>
00634 <a class="code" href="class_incoming_r_t_p_pkt.html">IncomingRTPPkt</a> *srcnext, *srcprev;
00635 <font class="comment">// source of the packet</font>
00636 <a class="code" href="class_r_t_p_source.html">RTPSource</a> &source;
00637 <font class="comment">// time this packet was received at</font>
00638 <font class="keyword">struct </font>timeval reception_timestamp;
00639 <font class="comment">// header validity, checked at construction time</font>
00640 <font class="keywordtype">bool</font> valid;
00641 <font class="comment">// timestamp of the packet in host order and after</font>
00642 <font class="comment">// substracting the initial timestamp for its source (it is an</font>
00643 <font class="comment">// increment from the initial timestamp).</font>
00644 uint32 cached_timestamp;
00645
00646 <font class="comment">// masks for RTP header validation: type not matching SR nor RR </font>
00647 <font class="keyword">static</font> <font class="keyword">const</font> uint16 RTP_INVALID_MASK = (0x7e);
00648 <font class="keyword">static</font> <font class="keyword">const</font> uint16 RTP_INVALID_VALUE = (0x48);
00649
<a name="l00650"></a><a class="code" href="class_incoming_r_t_p_pkt.html#l0">00650</a> <font class="keyword">friend</font> <font class="keyword">class </font><a class="code" href="class_r_t_p_queue.html">RTPQueue</a>;
<a name="l00651"></a><a class="code" href="class_incoming_r_t_p_pkt.html#l1">00651</a> <font class="keyword">friend</font> <font class="keyword">class </font><a class="code" href="class_r_t_p_source.html">RTPSource</a>;
00652 };
00653
00654 <font class="preprocessor">#pragma pack(1)</font>
00655 <font class="preprocessor"></font>
<a name="l00659"></a><a class="code" href="struct_r_t_c_p_fixed_header.html">00659</a> <font class="keyword">typedef</font> <font class="keyword">struct </font>
00660 <font class="keyword"></font>{
00661 <font class="preprocessor">#if __BYTE_ORDER == __BIG_ENDIAN</font>
00662 <font class="preprocessor"></font>
<a name="l00663"></a><a class="code" href="struct_r_t_c_p_fixed_header.html#m0">00663</a> <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> version:2;
<a name="l00664"></a><a class="code" href="struct_r_t_c_p_fixed_header.html#m1">00664</a> <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> padding:1;
<a name="l00665"></a><a class="code" href="struct_r_t_c_p_fixed_header.html#m2">00665</a> <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> block_count:5;
00666 <font class="preprocessor">#else</font>
00667 <font class="preprocessor"></font>
00668 <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> block_count:5;
00669 <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> padding:1;
00670 <font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> version:2;
00671 <font class="preprocessor">#endif</font>
<a name="l00672"></a><a class="code" href="struct_r_t_c_p_fixed_header.html#m3">00672</a> <font class="preprocessor"></font> uint8 type;
<a name="l00673"></a><a class="code" href="struct_r_t_c_p_fixed_header.html#m4">00673</a> uint16 length;
00674 } <a class="code" href="struct_r_t_c_p_fixed_header.html">RTCPFixedHeader</a>;
00675 <font class="preprocessor">#pragma pack()</font>
00676 <font class="preprocessor"></font>
00677 <font class="preprocessor">#ifdef CCXX_NAMESPACES</font>
00678 <font class="preprocessor"></font>};
00679 <font class="preprocessor">#endif</font>
00680 <font class="preprocessor"></font>
00681 <font class="preprocessor">#endif //CCXX_RTPEXT_H</font>
00682 <font class="preprocessor"></font>
</pre></div><hr><address><small>Generated at Sat Jan 5 09:08:54 2002 for ccRTP by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.gif" alt="doxygen" align="middle" border=0
width=110 height=53></a>1.2.10 written by <a href="mailto:dimitri@stack.nl">Dimitri van Heesch</a>,
© 1997-2001</small></address>
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