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<h1>RTPPacket Class Reference<br>
<small>
[<a class="el" href="group__rtppacket.html">RTP data packets manipulation.</a>]</small>
</h1><!-- doxytag: class="RTPPacket" -->A base class for both <a class="el" href="class_incoming_r_t_p_pkt.html" title="RTP packets received from other participants.">IncomingRTPPkt</a> and <a class="el" href="class_outgoing_r_t_p_pkt.html" title="RTP packets being sent.">OutgoingRTPPkt</a>.
<a href="#_details">More...</a>
<p>
<code>#include <<a class="el" href="rtppkt_8h_source.html">rtppkt.h</a>></code>
<p>
<div class="dynheader">
Inheritance diagram for RTPPacket:</div>
<div class="dynsection">
<p><center><img src="class_r_t_p_packet.png" usemap="#RTPPacket_map" border="0" alt=""></center>
<map name="RTPPacket_map">
<area href="class_incoming_r_t_p_pkt.html" alt="IncomingRTPPkt" shape="rect" coords="0,56,103,80">
<area href="class_outgoing_r_t_p_pkt.html" alt="OutgoingRTPPkt" shape="rect" coords="113,56,216,80">
</map>
</div>
<p>
<a href="class_r_t_p_packet-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Classes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_r_t_p_packet_1_1_r_f_c2833_payload.html">RFC2833Payload</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">a structure defining RFC2833 Telephony events. <a href="struct_r_t_p_packet_1_1_r_f_c2833_payload.html#_details">More...</a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><b>RTPFixedHeader</b></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">RTP fixed header as it is send through the network. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><b>RTPHeaderExt</b></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Fixed component of the variable-length header extension, appended to the fixed header, after the CSRC list, when X == 1. <br></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#5b417d88e52c96648ee71204fd251b58">RTPPacket</a> (const unsigned char *const block, size_t len, bool duplicate=false)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Constructor, construct a packet object given the memory zone its content (header and payload) is stored. <a href="#5b417d88e52c96648ee71204fd251b58"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#acd6bfbb8dd3d3fd465dcc3fab5a4648">RTPPacket</a> (size_t hdrlen, size_t plen, uint8 paddinglen, <a class="el" href="class_crypto_context.html">CryptoContext</a> *pcc=NULL)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Construct a packet object without specifying its real content yet. <a href="#acd6bfbb8dd3d3fd465dcc3fab5a4648"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">uint32 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#34704049dff7d2b02a5e8ca4da183049">getHeaderSize</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the length of the header, including contributing sources identifiers and header extension, if present. <a href="#34704049dff7d2b02a5e8ca4da183049"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const uint8 *const </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#6572bf97b611f2f8d3646ebafa31e920">getPayload</a> () const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">uint32 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#7149f4af4579d81f47e418cba45c8324">getPayloadSize</a> () const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="group__payload.html#g0eee230c7ab57e31bb4e438a72354993">PayloadType</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#1c6261da478d686c27f440e525ed829d">getPayloadType</a> () const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">uint16 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#3a71a859c29bbadde1f0d017e5f0cc29">getSeqNum</a> () const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">uint32 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#a9f3afdc924b2ccf88d300fe2bfc0c24">getTimestamp</a> () const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">uint8 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#de51a8ddb074d9f3e0fa46662a4fc234">getProtocolVersion</a> () const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#90c9ad98f1010ed28df758d1eb2ae9d9">isPadded</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Ask whether the packet contains padding bytes at the end. <a href="#90c9ad98f1010ed28df758d1eb2ae9d9"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">uint8 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#fb0f7d944c6194ce6ba1e7cc1dd353c8">getPaddingSize</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the number of octets padding the end of the payload section. <a href="#fb0f7d944c6194ce6ba1e7cc1dd353c8"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#85196cee7abac85077332181e955516b">isMarked</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Ask whether the packet is marked (for isntance, is a new talk spurt in some audio profiles). <a href="#85196cee7abac85077332181e955516b"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#ea83153299d9ab54dd3979375a810862">isExtended</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Ask whether the packet contains header extensions. <a href="#ea83153299d9ab54dd3979375a810862"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">uint16 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#7ee5bdae05de8413fd4f5ab6af992f1c">getCSRCsCount</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the number of contributing sources specified in the packet header. <a href="#7ee5bdae05de8413fd4f5ab6af992f1c"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const uint32 * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#356ee03ec78f01a59579354d539e04c3">getCSRCs</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the 32-bit identifiers of the contributing sources for the packet as an array, of length <a class="el" href="class_r_t_p_packet.html#7ee5bdae05de8413fd4f5ab6af992f1c" title="Get the number of contributing sources specified in the packet header.">getCSRCsCount()</a>. <a href="#356ee03ec78f01a59579354d539e04c3"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">uint16 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#6f41c55d2c9ba5189187e6e8070a83f7">getHdrExtUndefined</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the first 16 bits (in network order) of the header of the RTP header extension. <a href="#6f41c55d2c9ba5189187e6e8070a83f7"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">uint32 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#b11662bd893855d4b96def573aa014bf">getHdrExtSize</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the length (in octets) of the data contained in the header extension. <a href="#b11662bd893855d4b96def573aa014bf"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const unsigned char * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#8ae29c378da3ff3d2937ecdb0e851551">getHdrExtContent</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the content of the header extension. <a href="#8ae29c378da3ff3d2937ecdb0e851551"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const unsigned char *const </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#09baf36f8e117a89c290ba554600e6ea">getRawPacket</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the raw packet as it will be sent through the network. <a href="#09baf36f8e117a89c290ba554600e6ea"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">uint32 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#fa64fc2a37bb9f0fbf4eed8d20654550">getRawPacketSize</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the raw packet length, including header, extension, payload and padding. <a href="#fa64fc2a37bb9f0fbf4eed8d20654550"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">uint32 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#1d08a1731bce4ccbbee25b5564ca9f91">getRawPacketSizeSrtp</a> () const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#eb4de98b3628912083ef602bccf921bb">getSizeOfFixedHeader</a> () const </td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">struct <a class="el" href="struct_r_t_p_packet_1_1_r_f_c2833_payload.html">RFC2833Payload</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#a4d765e540f6bc457828c7f475cd3f2b">getRaw2833Payload</a> (void)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Fetch a raw 2833 packet. <a href="#a4d765e540f6bc457828c7f475cd3f2b"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">uint16 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#bbc4d9ea6aaa344f11e2e8ec72b73344">get2833Duration</a> (void)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Fetch 2833 duration field. <a href="#bbc4d9ea6aaa344f11e2e8ec72b73344"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#819b859d2afbb504a02b45e02f48bdfc">set2833Duration</a> (uint16 timestamp)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set 2833 duration field. <a href="#819b859d2afbb504a02b45e02f48bdfc"></a><br></td></tr>
<tr><td colspan="2"><br><h2>Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#e5a7a96c6d05093c519041d209c1a98c">~RTPPacket</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Destructor, free the buffer provided in the constructor. <a href="#e5a7a96c6d05093c519041d209c1a98c"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#105cff6790b7e774a72ad82d6ee530ff">endPacket</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Free memory allocated for the packet. <a href="#105cff6790b7e774a72ad82d6ee530ff"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">RTPFixedHeader * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#4af0513f362d39a6b9a5b5c25d8d6cf6">getHeader</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return low level structure for the header of the packet. <a href="#4af0513f362d39a6b9a5b5c25d8d6cf6"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#a023de7cea1a2cd67966751d7458eb68">setExtension</a> (bool e)</td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">const RTPHeaderExt * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#1e6dc65620b39d7ec95279efda20fc79">getHeaderExt</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get a pointer to RTPHeaderExt pointing after the RTP header (fixed part plus contributing sources). <a href="#1e6dc65620b39d7ec95279efda20fc79"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">uint32 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#11d159618b08f45e4bed5f2a5e76adfa">getRawTimestamp</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Obtain the absolute timestamp carried in the packet header. <a href="#11d159618b08f45e4bed5f2a5e76adfa"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#20885999c8f3c72dcf0b80c2b0091f99">setbuffer</a> (const void *src, size_t len, size_t pos)</td></tr>
<tr><td colspan="2"><br><h2>Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">uint16 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#c8d0e7635320b6e1e800a6393c0fea49">cachedSeqNum</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Packet sequence number in host order. <a href="#c8d0e7635320b6e1e800a6393c0fea49"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">uint32 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#5069f46d65d7beb0ec8d52884514f2c2">cachedTimestamp</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Packet timestamp in host order (includes initial shift). <a href="#5069f46d65d7beb0ec8d52884514f2c2"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">uint32 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#0a1721f5d8a5f8b5fda2202152957c88">srtpDataOffset</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Offset into packet memory pointing to area for SRTP data. <a href="#0a1721f5d8a5f8b5fda2202152957c88"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int32 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#08f18139adf266d2b0eba1aa7a753952">srtpLength</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Lebgth of additional SRTP data. <a href="#08f18139adf266d2b0eba1aa7a753952"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">uint32 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#d1d915ee852938db382dec87cdc5c12e">total</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">total length, including header, payload and padding <a href="#d1d915ee852938db382dec87cdc5c12e"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">uint32 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_t_p_packet.html#100e78d5c3b6e71fa548856bfbe3a43c">payloadSize</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">note: payload (not full packet) size. <a href="#100e78d5c3b6e71fa548856bfbe3a43c"></a><br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
A base class for both <a class="el" href="class_incoming_r_t_p_pkt.html" title="RTP packets received from other participants.">IncomingRTPPkt</a> and <a class="el" href="class_outgoing_r_t_p_pkt.html" title="RTP packets being sent.">OutgoingRTPPkt</a>.
<p>
Provides common low level header structures and related methods. This class provides an interface that allows for partial and generic manipulation of RTP data packets. Values are returned in host order, except raw structures, which are returned as they are sent through the network.<p>
<dl class="author" compact><dt><b>Author:</b></dt><dd>David Sugar <<a href="mailto:dyfet@ostel.com">dyfet@ostel.com</a>> </dd></dl>
<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="5b417d88e52c96648ee71204fd251b58"></a><!-- doxytag: member="RTPPacket::RTPPacket" ref="5b417d88e52c96648ee71204fd251b58" args="(const unsigned char *const block, size_t len, bool duplicate=false)" -->
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<td class="paramtype">const unsigned char *const </td>
<td class="paramname"> <em>block</em>, </td>
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<p>
Constructor, construct a packet object given the memory zone its content (header and payload) is stored.
<p>
Commonly used to build <a class="el" href="class_r_t_p_packet.html" title="A base class for both IncomingRTPPkt and OutgoingRTPPkt.">RTPPacket</a> objects from incoming data.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>block</em> </td><td>whole packet </td></tr>
<tr><td valign="top"></td><td valign="top"><em>len</em> </td><td>total length (header + payload + padding) of the packet </td></tr>
<tr><td valign="top"></td><td valign="top"><em>duplicate</em> </td><td>whether to memcopy the packet. At present, this feature is not used. </td></tr>
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<dl class="note" compact><dt><b>Note:</b></dt><dd>used in <a class="el" href="class_incoming_r_t_p_pkt.html" title="RTP packets received from other participants.">IncomingRTPPkt</a>. </dd></dl>
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<a class="anchor" name="acd6bfbb8dd3d3fd465dcc3fab5a4648"></a><!-- doxytag: member="RTPPacket::RTPPacket" ref="acd6bfbb8dd3d3fd465dcc3fab5a4648" args="(size_t hdrlen, size_t plen, uint8 paddinglen, CryptoContext *pcc=NULL)" -->
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<td class="memname">RTPPacket::RTPPacket </td>
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<td class="paramtype">size_t </td>
<td class="paramname"> <em>hdrlen</em>, </td>
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<td class="paramtype">size_t </td>
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<td class="paramtype">uint8 </td>
<td class="paramname"> <em>paddinglen</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="class_crypto_context.html">CryptoContext</a> * </td>
<td class="paramname"> <em>pcc</em> = <code>NULL</code></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Construct a packet object without specifying its real content yet.
<p>
Commonly used for outgoing packets. Header fields and payload must be filled in by another methods or by a derived constructor.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>hdrlen</em> </td><td>length of the header (including CSRC and extension). </td></tr>
<tr><td valign="top"></td><td valign="top"><em>plen</em> </td><td>payload length. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>paddinglen</em> </td><td>pad packet to a multiple of paddinglen </td></tr>
</table>
</dl>
<dl class="note" compact><dt><b>Note:</b></dt><dd>used in <a class="el" href="class_outgoing_r_t_p_pkt.html" title="RTP packets being sent.">OutgoingRTPPkt</a>. </dd></dl>
</div>
</div><p>
<a class="anchor" name="e5a7a96c6d05093c519041d209c1a98c"></a><!-- doxytag: member="RTPPacket::~RTPPacket" ref="e5a7a96c6d05093c519041d209c1a98c" args="()" -->
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<td class="memname">virtual RTPPacket::~RTPPacket </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [inline, protected, virtual]</code></td>
</tr>
</table>
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<p>
Destructor, free the buffer provided in the constructor.
<p>
</div>
</div><p>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="105cff6790b7e774a72ad82d6ee530ff"></a><!-- doxytag: member="RTPPacket::endPacket" ref="105cff6790b7e774a72ad82d6ee530ff" args="()" -->
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<td class="memname">void RTPPacket::endPacket </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [protected]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Free memory allocated for the packet.
<p>
</div>
</div><p>
<a class="anchor" name="bbc4d9ea6aaa344f11e2e8ec72b73344"></a><!-- doxytag: member="RTPPacket::get2833Duration" ref="bbc4d9ea6aaa344f11e2e8ec72b73344" args="(void)" -->
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<td class="memname">uint16 RTPPacket::get2833Duration </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [inline]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Fetch 2833 duration field.
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>2833 duration in native host machine byte order. </dd></dl>
</div>
</div><p>
<a class="anchor" name="356ee03ec78f01a59579354d539e04c3"></a><!-- doxytag: member="RTPPacket::getCSRCs" ref="356ee03ec78f01a59579354d539e04c3" args="() const " -->
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<td class="memname">const uint32* RTPPacket::getCSRCs </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const<code> [inline]</code></td>
</tr>
</table>
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<div class="memdoc">
<p>
Get the 32-bit identifiers of the contributing sources for the packet as an array, of length <a class="el" href="class_r_t_p_packet.html#7ee5bdae05de8413fd4f5ab6af992f1c" title="Get the number of contributing sources specified in the packet header.">getCSRCsCount()</a>.
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>An array of CSRC identifiers as they are in the packet (in network order). </dd></dl>
</div>
</div><p>
<a class="anchor" name="7ee5bdae05de8413fd4f5ab6af992f1c"></a><!-- doxytag: member="RTPPacket::getCSRCsCount" ref="7ee5bdae05de8413fd4f5ab6af992f1c" args="() const " -->
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<td class="memname">uint16 RTPPacket::getCSRCsCount </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const<code> [inline]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Get the number of contributing sources specified in the packet header.
<p>
</div>
</div><p>
<a class="anchor" name="8ae29c378da3ff3d2937ecdb0e851551"></a><!-- doxytag: member="RTPPacket::getHdrExtContent" ref="8ae29c378da3ff3d2937ecdb0e851551" args="() const " -->
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<td class="memname">const unsigned char* RTPPacket::getHdrExtContent </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const<code> [inline]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Get the content of the header extension.
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>NULL if the packet has no header extension, otherwise a pointer to the packet header extension content. </dd></dl>
</div>
</div><p>
<a class="anchor" name="b11662bd893855d4b96def573aa014bf"></a><!-- doxytag: member="RTPPacket::getHdrExtSize" ref="b11662bd893855d4b96def573aa014bf" args="() const " -->
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<td class="memname">uint32 RTPPacket::getHdrExtSize </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const<code> [inline]</code></td>
</tr>
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<div class="memdoc">
<p>
Get the length (in octets) of the data contained in the header extension.
<p>
Note that this length does not include the four octets at the beginning of the header extension.<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>0 if the packet has no header extension, otherwise the length.</dd></dl>
<dl class="note" compact><dt><b>Note:</b></dt><dd>0 is a valid value for this field, so <a class="el" href="class_r_t_p_packet.html#ea83153299d9ab54dd3979375a810862" title="Ask whether the packet contains header extensions.">RTPPacket::isExtended()</a> should be used. </dd></dl>
</div>
</div><p>
<a class="anchor" name="6f41c55d2c9ba5189187e6e8070a83f7"></a><!-- doxytag: member="RTPPacket::getHdrExtUndefined" ref="6f41c55d2c9ba5189187e6e8070a83f7" args="() const " -->
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<td class="memname">uint16 RTPPacket::getHdrExtUndefined </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const<code> [inline]</code></td>
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<div class="memdoc">
<p>
Get the first 16 bits (in network order) of the header of the RTP header extension.
<p>
Its meaning is undefined at this level.<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>0 if the packet has no header extension, otherwise the first 16 bits of the header extension, in network order.</dd></dl>
<dl class="note" compact><dt><b>Note:</b></dt><dd>0 could be a valid value for the first 16 bits, in that case <a class="el" href="class_r_t_p_packet.html#ea83153299d9ab54dd3979375a810862" title="Ask whether the packet contains header extensions.">RTPPacket::isExtended()</a> should be use. </dd></dl>
</div>
</div><p>
<a class="anchor" name="4af0513f362d39a6b9a5b5c25d8d6cf6"></a><!-- doxytag: member="RTPPacket::getHeader" ref="4af0513f362d39a6b9a5b5c25d8d6cf6" args="() const " -->
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<td class="memname">RTPFixedHeader* RTPPacket::getHeader </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const<code> [inline, protected]</code></td>
</tr>
</table>
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<p>
Return low level structure for the header of the packet.
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>RTPFixedHeader pointer to the header of the packet. </dd></dl>
</div>
</div><p>
<a class="anchor" name="1e6dc65620b39d7ec95279efda20fc79"></a><!-- doxytag: member="RTPPacket::getHeaderExt" ref="1e6dc65620b39d7ec95279efda20fc79" args="() const " -->
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<td class="memname">const RTPHeaderExt* RTPPacket::getHeaderExt </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const<code> [inline, protected]</code></td>
</tr>
</table>
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<p>
Get a pointer to RTPHeaderExt pointing after the RTP header (fixed part plus contributing sources).
<p>
No check for for the X bit is done.<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>header extension if present, garbage if not. </dd></dl>
</div>
</div><p>
<a class="anchor" name="34704049dff7d2b02a5e8ca4da183049"></a><!-- doxytag: member="RTPPacket::getHeaderSize" ref="34704049dff7d2b02a5e8ca4da183049" args="() const " -->
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<td class="memname">uint32 RTPPacket::getHeaderSize </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const<code> [inline]</code></td>
</tr>
</table>
</div>
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<p>
Get the length of the header, including contributing sources identifiers and header extension, if present.
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>number of octets. </dd></dl>
</div>
</div><p>
<a class="anchor" name="fb0f7d944c6194ce6ba1e7cc1dd353c8"></a><!-- doxytag: member="RTPPacket::getPaddingSize" ref="fb0f7d944c6194ce6ba1e7cc1dd353c8" args="() const " -->
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<td class="memname">uint8 RTPPacket::getPaddingSize </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const<code> [inline]</code></td>
</tr>
</table>
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<p>
Get the number of octets padding the end of the payload section.
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>Padding length in octets. </dd></dl>
</div>
</div><p>
<a class="anchor" name="6572bf97b611f2f8d3646ebafa31e920"></a><!-- doxytag: member="RTPPacket::getPayload" ref="6572bf97b611f2f8d3646ebafa31e920" args="() const " -->
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<td class="memname">const uint8* const RTPPacket::getPayload </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const<code> [inline]</code></td>
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<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>pointer to the payload section of the packet. </dd></dl>
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</div><p>
<a class="anchor" name="7149f4af4579d81f47e418cba45c8324"></a><!-- doxytag: member="RTPPacket::getPayloadSize" ref="7149f4af4579d81f47e418cba45c8324" args="() const " -->
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<td class="memname">uint32 RTPPacket::getPayloadSize </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const<code> [inline]</code></td>
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</table>
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<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>length of the payload section, in octets. </dd></dl>
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</div><p>
<a class="anchor" name="1c6261da478d686c27f440e525ed829d"></a><!-- doxytag: member="RTPPacket::getPayloadType" ref="1c6261da478d686c27f440e525ed829d" args="() const " -->
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<td class="memname"><a class="el" href="group__payload.html#g0eee230c7ab57e31bb4e438a72354993">PayloadType</a> RTPPacket::getPayloadType </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const<code> [inline]</code></td>
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<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>value of the PT header field. </dd></dl>
</div>
</div><p>
<a class="anchor" name="de51a8ddb074d9f3e0fa46662a4fc234"></a><!-- doxytag: member="RTPPacket::getProtocolVersion" ref="de51a8ddb074d9f3e0fa46662a4fc234" args="() const " -->
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<td class="memname">uint8 RTPPacket::getProtocolVersion </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const<code> [inline]</code></td>
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<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>RTP protocol version of packet. </dd></dl>
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<a class="anchor" name="a4d765e540f6bc457828c7f475cd3f2b"></a><!-- doxytag: member="RTPPacket::getRaw2833Payload" ref="a4d765e540f6bc457828c7f475cd3f2b" args="(void)" -->
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<td class="memname">struct <a class="el" href="struct_r_t_p_packet_1_1_r_f_c2833_payload.html">RFC2833Payload</a>* RTPPacket::getRaw2833Payload </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"> </td>
<td> ) </td>
<td><code> [inline, read]</code></td>
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<p>
Fetch a raw 2833 packet.
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>low level 2833 data structure. </dd></dl>
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<a class="anchor" name="09baf36f8e117a89c290ba554600e6ea"></a><!-- doxytag: member="RTPPacket::getRawPacket" ref="09baf36f8e117a89c290ba554600e6ea" args="() const " -->
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<td class="memname">const unsigned char* const RTPPacket::getRawPacket </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const<code> [inline]</code></td>
</tr>
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<p>
Get the raw packet as it will be sent through the network.
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>memory zone where the raw packet structure is stored in. </dd></dl>
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</div><p>
<a class="anchor" name="fa64fc2a37bb9f0fbf4eed8d20654550"></a><!-- doxytag: member="RTPPacket::getRawPacketSize" ref="fa64fc2a37bb9f0fbf4eed8d20654550" args="() const " -->
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<td class="memname">uint32 RTPPacket::getRawPacketSize </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const<code> [inline]</code></td>
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<p>
Get the raw packet length, including header, extension, payload and padding.
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>size of the raw packet structure. </dd></dl>
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</div><p>
<a class="anchor" name="1d08a1731bce4ccbbee25b5564ca9f91"></a><!-- doxytag: member="RTPPacket::getRawPacketSizeSrtp" ref="1d08a1731bce4ccbbee25b5564ca9f91" args="() const " -->
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<td class="memname">uint32 RTPPacket::getRawPacketSizeSrtp </td>
<td>(</td>
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<td> ) </td>
<td> const<code> [inline]</code></td>
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<p>
</div>
</div><p>
<a class="anchor" name="11d159618b08f45e4bed5f2a5e76adfa"></a><!-- doxytag: member="RTPPacket::getRawTimestamp" ref="11d159618b08f45e4bed5f2a5e76adfa" args="() const " -->
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<td class="memname">uint32 RTPPacket::getRawTimestamp </td>
<td>(</td>
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<td> ) </td>
<td> const<code> [inline, protected]</code></td>
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<p>
Obtain the absolute timestamp carried in the packet header.
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>32-bit timestamp in host order. </dd></dl>
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<a class="anchor" name="3a71a859c29bbadde1f0d017e5f0cc29"></a><!-- doxytag: member="RTPPacket::getSeqNum" ref="3a71a859c29bbadde1f0d017e5f0cc29" args="() const " -->
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<td class="memname">uint16 RTPPacket::getSeqNum </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const<code> [inline]</code></td>
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<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>value of the sequence number header field, in host order. </dd></dl>
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<a class="anchor" name="eb4de98b3628912083ef602bccf921bb"></a><!-- doxytag: member="RTPPacket::getSizeOfFixedHeader" ref="eb4de98b3628912083ef602bccf921bb" args="() const " -->
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<td class="memname">size_t RTPPacket::getSizeOfFixedHeader </td>
<td>(</td>
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<td> ) </td>
<td> const<code> [inline]</code></td>
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<p>
</div>
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<a class="anchor" name="a9f3afdc924b2ccf88d300fe2bfc0c24"></a><!-- doxytag: member="RTPPacket::getTimestamp" ref="a9f3afdc924b2ccf88d300fe2bfc0c24" args="() const " -->
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<td class="memname">uint32 RTPPacket::getTimestamp </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const<code> [inline]</code></td>
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>packet timestamp in host order. </dd></dl>
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<a class="anchor" name="ea83153299d9ab54dd3979375a810862"></a><!-- doxytag: member="RTPPacket::isExtended" ref="ea83153299d9ab54dd3979375a810862" args="() const " -->
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<td class="memname">bool RTPPacket::isExtended </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const<code> [inline]</code></td>
</tr>
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<p>
Ask whether the packet contains header extensions.
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>true if the header extension bit is 1. </dd></dl>
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<a class="anchor" name="85196cee7abac85077332181e955516b"></a><!-- doxytag: member="RTPPacket::isMarked" ref="85196cee7abac85077332181e955516b" args="() const " -->
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<td class="memname">bool RTPPacket::isMarked </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const<code> [inline]</code></td>
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<p>
Ask whether the packet is marked (for isntance, is a new talk spurt in some audio profiles).
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>true is the header marker bit is 1. </dd></dl>
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<a class="anchor" name="90c9ad98f1010ed28df758d1eb2ae9d9"></a><!-- doxytag: member="RTPPacket::isPadded" ref="90c9ad98f1010ed28df758d1eb2ae9d9" args="() const " -->
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<td class="memname">bool RTPPacket::isPadded </td>
<td>(</td>
<td class="paramname"> </td>
<td> ) </td>
<td> const<code> [inline]</code></td>
</tr>
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<p>
Ask whether the packet contains padding bytes at the end.
<p>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>true if the header padding bit is 1. </dd></dl>
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<a class="anchor" name="819b859d2afbb504a02b45e02f48bdfc"></a><!-- doxytag: member="RTPPacket::set2833Duration" ref="819b859d2afbb504a02b45e02f48bdfc" args="(uint16 timestamp)" -->
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<td class="memname">void RTPPacket::set2833Duration </td>
<td>(</td>
<td class="paramtype">uint16 </td>
<td class="paramname"> <em>timestamp</em> </td>
<td> ) </td>
<td><code> [inline]</code></td>
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<p>
Set 2833 duration field.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>timestamp</em> </td><td>to use, native host machine byte order. </td></tr>
</table>
</dl>
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</div><p>
<a class="anchor" name="20885999c8f3c72dcf0b80c2b0091f99"></a><!-- doxytag: member="RTPPacket::setbuffer" ref="20885999c8f3c72dcf0b80c2b0091f99" args="(const void *src, size_t len, size_t pos)" -->
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<td class="memname">void RTPPacket::setbuffer </td>
<td>(</td>
<td class="paramtype">const void * </td>
<td class="paramname"> <em>src</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"> <em>len</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"> <em>pos</em></td><td> </td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td><td><code> [inline, protected]</code></td>
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<p>
</div>
</div><p>
<a class="anchor" name="a023de7cea1a2cd67966751d7458eb68"></a><!-- doxytag: member="RTPPacket::setExtension" ref="a023de7cea1a2cd67966751d7458eb68" args="(bool e)" -->
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<td class="memname">void RTPPacket::setExtension </td>
<td>(</td>
<td class="paramtype">bool </td>
<td class="paramname"> <em>e</em> </td>
<td> ) </td>
<td><code> [inline, protected]</code></td>
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<p>
</div>
</div><p>
<hr><h2>Member Data Documentation</h2>
<a class="anchor" name="c8d0e7635320b6e1e800a6393c0fea49"></a><!-- doxytag: member="RTPPacket::cachedSeqNum" ref="c8d0e7635320b6e1e800a6393c0fea49" args="" -->
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<td class="memname">uint16 <a class="el" href="class_r_t_p_packet.html#c8d0e7635320b6e1e800a6393c0fea49">RTPPacket::cachedSeqNum</a><code> [protected]</code> </td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Packet sequence number in host order.
<p>
</div>
</div><p>
<a class="anchor" name="5069f46d65d7beb0ec8d52884514f2c2"></a><!-- doxytag: member="RTPPacket::cachedTimestamp" ref="5069f46d65d7beb0ec8d52884514f2c2" args="" -->
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<td class="memname">uint32 <a class="el" href="class_r_t_p_packet.html#5069f46d65d7beb0ec8d52884514f2c2">RTPPacket::cachedTimestamp</a><code> [protected]</code> </td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Packet timestamp in host order (includes initial shift).
<p>
</div>
</div><p>
<a class="anchor" name="100e78d5c3b6e71fa548856bfbe3a43c"></a><!-- doxytag: member="RTPPacket::payloadSize" ref="100e78d5c3b6e71fa548856bfbe3a43c" args="" -->
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<td class="memname">uint32 <a class="el" href="class_r_t_p_packet.html#100e78d5c3b6e71fa548856bfbe3a43c">RTPPacket::payloadSize</a><code> [protected]</code> </td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
note: payload (not full packet) size.
<p>
</div>
</div><p>
<a class="anchor" name="0a1721f5d8a5f8b5fda2202152957c88"></a><!-- doxytag: member="RTPPacket::srtpDataOffset" ref="0a1721f5d8a5f8b5fda2202152957c88" args="" -->
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<td class="memname">uint32 <a class="el" href="class_r_t_p_packet.html#0a1721f5d8a5f8b5fda2202152957c88">RTPPacket::srtpDataOffset</a><code> [protected]</code> </td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Offset into packet memory pointing to area for SRTP data.
<p>
This offset points to the memory where the SRTP protect will store the authentication and MKI data.
</div>
</div><p>
<a class="anchor" name="08f18139adf266d2b0eba1aa7a753952"></a><!-- doxytag: member="RTPPacket::srtpLength" ref="08f18139adf266d2b0eba1aa7a753952" args="" -->
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<td class="memname">int32 <a class="el" href="class_r_t_p_packet.html#08f18139adf266d2b0eba1aa7a753952">RTPPacket::srtpLength</a><code> [protected]</code> </td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Lebgth of additional SRTP data.
<p>
Covers the SRTP authentication and MKI data.
</div>
</div><p>
<a class="anchor" name="d1d915ee852938db382dec87cdc5c12e"></a><!-- doxytag: member="RTPPacket::total" ref="d1d915ee852938db382dec87cdc5c12e" args="" -->
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<td class="memname">uint32 <a class="el" href="class_r_t_p_packet.html#d1d915ee852938db382dec87cdc5c12e">RTPPacket::total</a><code> [protected]</code> </td>
</tr>
</table>
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<div class="memdoc">
<p>
total length, including header, payload and padding
<p>
</div>
</div><p>
<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="rtppkt_8h_source.html">rtppkt.h</a></ul>
</div>
<hr size="1"><address style="text-align: right;"><small>Generated on Fri Jul 24 21:42:25 2009 for ccRTP by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.9 </small></address>
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