gstreamer0.10-plugins-base-doc 0.10.36-1 / usr / share / gtk-doc / html / gst-plugins-base-libs-0.10 / gst-plugins-base-libs-gstrtpbuffer.html

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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
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<title>gstrtpbuffer</title>
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                  <a href="#gst-plugins-base-libs-gstrtpbuffer.description" class="shortcut">Description</a>
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<td valign="top">
<h2><span class="refentrytitle"><a name="gst-plugins-base-libs-gstrtpbuffer.top_of_page"></a>gstrtpbuffer</span></h2>
<p>gstrtpbuffer — Helper methods for dealing with RTP buffers</p>
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<div class="refsynopsisdiv">
<a name="gst-plugins-base-libs-gstrtpbuffer.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include &lt;gst/rtp/gstrtpbuffer.h&gt;

#define             <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#GST-RTP-VERSION:CAPS" title="GST_RTP_VERSION">GST_RTP_VERSION</a>
<span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-allocate-data" title="gst_rtp_buffer_allocate_data ()">gst_rtp_buffer_allocate_data</a>        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> payload_len</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> pad_len</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> csrc_count</code></em>);
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="returnvalue">GstBuffer</span></a> *         <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-new-take-data" title="gst_rtp_buffer_new_take_data ()">gst_rtp_buffer_new_take_data</a>        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="returnvalue">GstBuffer</span></a> *         <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-new-copy-data" title="gst_rtp_buffer_new_copy_data ()">gst_rtp_buffer_new_copy_data</a>        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="returnvalue">GstBuffer</span></a> *         <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-new-allocate" title="gst_rtp_buffer_new_allocate ()">gst_rtp_buffer_new_allocate</a>         (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> payload_len</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> pad_len</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> csrc_count</code></em>);
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="returnvalue">GstBuffer</span></a> *         <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-new-allocate-len" title="gst_rtp_buffer_new_allocate_len ()">gst_rtp_buffer_new_allocate_len</a>     (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> packet_len</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> pad_len</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> csrc_count</code></em>);
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferList"><span class="returnvalue">GstBufferList</span></a> *     <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-from-buffer" title="gst_rtp_buffer_list_from_buffer ()">gst_rtp_buffer_list_from_buffer</a>     (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-calc-header-len" title="gst_rtp_buffer_calc_header_len ()">gst_rtp_buffer_calc_header_len</a>      (<em class="parameter"><code><span class="type">guint8</span> csrc_count</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-calc-packet-len" title="gst_rtp_buffer_calc_packet_len ()">gst_rtp_buffer_calc_packet_len</a>      (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> payload_len</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> pad_len</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> csrc_count</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-calc-payload-len" title="gst_rtp_buffer_calc_payload_len ()">gst_rtp_buffer_calc_payload_len</a>     (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> packet_len</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> pad_len</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> csrc_count</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-validate" title="gst_rtp_buffer_validate ()">gst_rtp_buffer_validate</a>             (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-validate-data" title="gst_rtp_buffer_validate_data ()">gst_rtp_buffer_validate_data</a>        (<em class="parameter"><code><span class="type">guint8</span> *data</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-set-packet-len" title="gst_rtp_buffer_set_packet_len ()">gst_rtp_buffer_set_packet_len</a>       (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-packet-len" title="gst_rtp_buffer_get_packet_len ()">gst_rtp_buffer_get_packet_len</a>       (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-header-len" title="gst_rtp_buffer_get_header_len ()">gst_rtp_buffer_get_header_len</a>       (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
<span class="returnvalue">guint8</span>              <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-version" title="gst_rtp_buffer_get_version ()">gst_rtp_buffer_get_version</a>          (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-set-version" title="gst_rtp_buffer_set_version ()">gst_rtp_buffer_set_version</a>          (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> version</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-padding" title="gst_rtp_buffer_get_padding ()">gst_rtp_buffer_get_padding</a>          (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-set-padding" title="gst_rtp_buffer_set_padding ()">gst_rtp_buffer_set_padding</a>          (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> padding</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-pad-to" title="gst_rtp_buffer_pad_to ()">gst_rtp_buffer_pad_to</a>               (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-extension" title="gst_rtp_buffer_get_extension ()">gst_rtp_buffer_get_extension</a>        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-set-extension" title="gst_rtp_buffer_set_extension ()">gst_rtp_buffer_set_extension</a>        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> extension</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-extension-data" title="gst_rtp_buffer_get_extension_data ()">gst_rtp_buffer_get_extension_data</a>   (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><span class="type">guint16</span> *bits</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> *data</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> *wordlen</code></em>);
<span class="returnvalue">guint32</span>             <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-ssrc" title="gst_rtp_buffer_get_ssrc ()">gst_rtp_buffer_get_ssrc</a>             (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-set-ssrc" title="gst_rtp_buffer_set_ssrc ()">gst_rtp_buffer_set_ssrc</a>             (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><span class="type">guint32</span> ssrc</code></em>);
<span class="returnvalue">guint8</span>              <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-csrc-count" title="gst_rtp_buffer_get_csrc_count ()">gst_rtp_buffer_get_csrc_count</a>       (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
<span class="returnvalue">guint32</span>             <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-csrc" title="gst_rtp_buffer_get_csrc ()">gst_rtp_buffer_get_csrc</a>             (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> idx</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-set-csrc" title="gst_rtp_buffer_set_csrc ()">gst_rtp_buffer_set_csrc</a>             (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> idx</code></em>,
                                                         <em class="parameter"><code><span class="type">guint32</span> csrc</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-marker" title="gst_rtp_buffer_get_marker ()">gst_rtp_buffer_get_marker</a>           (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-set-marker" title="gst_rtp_buffer_set_marker ()">gst_rtp_buffer_set_marker</a>           (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> marker</code></em>);
<span class="returnvalue">guint8</span>              <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-payload-type" title="gst_rtp_buffer_get_payload_type ()">gst_rtp_buffer_get_payload_type</a>     (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-set-payload-type" title="gst_rtp_buffer_set_payload_type ()">gst_rtp_buffer_set_payload_type</a>     (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> payload_type</code></em>);
<span class="returnvalue">guint16</span>             <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-seq" title="gst_rtp_buffer_get_seq ()">gst_rtp_buffer_get_seq</a>              (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-set-seq" title="gst_rtp_buffer_set_seq ()">gst_rtp_buffer_set_seq</a>              (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><span class="type">guint16</span> seq</code></em>);
<span class="returnvalue">guint32</span>             <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-timestamp" title="gst_rtp_buffer_get_timestamp ()">gst_rtp_buffer_get_timestamp</a>        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-set-timestamp" title="gst_rtp_buffer_set_timestamp ()">gst_rtp_buffer_set_timestamp</a>        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><span class="type">guint32</span> timestamp</code></em>);
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="returnvalue">GstBuffer</span></a> *         <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-payload-buffer" title="gst_rtp_buffer_get_payload_buffer ()">gst_rtp_buffer_get_payload_buffer</a>   (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="returnvalue">GstBuffer</span></a> *         <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-payload-subbuffer" title="gst_rtp_buffer_get_payload_subbuffer ()">gst_rtp_buffer_get_payload_subbuffer</a>
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> offset</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-payload-len" title="gst_rtp_buffer_get_payload_len ()">gst_rtp_buffer_get_payload_len</a>      (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="returnvalue">gpointer</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-payload" title="gst_rtp_buffer_get_payload ()">gst_rtp_buffer_get_payload</a>          (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);
<span class="returnvalue">guint32</span>             <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-default-clock-rate" title="gst_rtp_buffer_default_clock_rate ()">gst_rtp_buffer_default_clock_rate</a>   (<em class="parameter"><code><span class="type">guint8</span> payload_type</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-compare-seqnum" title="gst_rtp_buffer_compare_seqnum ()">gst_rtp_buffer_compare_seqnum</a>       (<em class="parameter"><code><span class="type">guint16</span> seqnum1</code></em>,
                                                         <em class="parameter"><code><span class="type">guint16</span> seqnum2</code></em>);
<span class="returnvalue">guint64</span>             <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-ext-timestamp" title="gst_rtp_buffer_ext_timestamp ()">gst_rtp_buffer_ext_timestamp</a>        (<em class="parameter"><code><span class="type">guint64</span> *exttimestamp</code></em>,
                                                         <em class="parameter"><code><span class="type">guint32</span> timestamp</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-set-extension-data" title="gst_rtp_buffer_set_extension_data ()">gst_rtp_buffer_set_extension_data</a>   (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><span class="type">guint16</span> bits</code></em>,
                                                         <em class="parameter"><code><span class="type">guint16</span> length</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-validate" title="gst_rtp_buffer_list_validate ()">gst_rtp_buffer_list_validate</a>        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-get-payload-len" title="gst_rtp_buffer_list_get_payload_len ()">gst_rtp_buffer_list_get_payload_len</a> (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>);
<span class="returnvalue">guint8</span>              <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-get-payload-type" title="gst_rtp_buffer_list_get_payload_type ()">gst_rtp_buffer_list_get_payload_type</a>
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-set-payload-type" title="gst_rtp_buffer_list_set_payload_type ()">gst_rtp_buffer_list_set_payload_type</a>
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> payload_type</code></em>);
<span class="returnvalue">guint16</span>             <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-get-seq" title="gst_rtp_buffer_list_get_seq ()">gst_rtp_buffer_list_get_seq</a>         (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>);
<span class="returnvalue">guint16</span>             <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-set-seq" title="gst_rtp_buffer_list_set_seq ()">gst_rtp_buffer_list_set_seq</a>         (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>,
                                                         <em class="parameter"><code><span class="type">guint16</span> seq</code></em>);
<span class="returnvalue">guint32</span>             <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-get-ssrc" title="gst_rtp_buffer_list_get_ssrc ()">gst_rtp_buffer_list_get_ssrc</a>        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-set-ssrc" title="gst_rtp_buffer_list_set_ssrc ()">gst_rtp_buffer_list_set_ssrc</a>        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>,
                                                         <em class="parameter"><code><span class="type">guint32</span> ssrc</code></em>);
<span class="returnvalue">guint32</span>             <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-get-timestamp" title="gst_rtp_buffer_list_get_timestamp ()">gst_rtp_buffer_list_get_timestamp</a>   (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-set-timestamp" title="gst_rtp_buffer_list_set_timestamp ()">gst_rtp_buffer_list_set_timestamp</a>   (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>,
                                                         <em class="parameter"><code><span class="type">guint32</span> timestamp</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-extension-onebyte-header" title="gst_rtp_buffer_get_extension_onebyte_header ()">gst_rtp_buffer_get_extension_onebyte_header</a>
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> nth</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> *data</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> *size</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-get-extension-twobytes-header" title="gst_rtp_buffer_get_extension_twobytes_header ()">gst_rtp_buffer_get_extension_twobytes_header</a>
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> *appbits</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> nth</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> *data</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> *size</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-add-extension-onebyte-header" title="gst_rtp_buffer_add_extension_onebyte_header ()">gst_rtp_buffer_add_extension_onebyte_header</a>
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> size</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-add-extension-twobytes-header" title="gst_rtp_buffer_add_extension_twobytes_header ()">gst_rtp_buffer_add_extension_twobytes_header</a>
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> appbits</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> size</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-get-extension-onebyte-header" title="gst_rtp_buffer_list_get_extension_onebyte_header ()">gst_rtp_buffer_list_get_extension_onebyte_header</a>
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *bufferlist</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> group_idx</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> nth</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> *data</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> *size</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-get-extension-twobytes-header" title="gst_rtp_buffer_list_get_extension_twobytes_header ()">gst_rtp_buffer_list_get_extension_twobytes_header</a>
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *bufferlist</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> group_idx</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> *appbits</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> nth</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> *data</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> *size</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-add-extension-onebyte-header" title="gst_rtp_buffer_list_add_extension_onebyte_header ()">gst_rtp_buffer_list_add_extension_onebyte_header</a>
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferListIterator"><span class="type">GstBufferListIterator</span></a> *it</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> size</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-add-extension-twobytes-header" title="gst_rtp_buffer_list_add_extension_twobytes_header ()">gst_rtp_buffer_list_add_extension_twobytes_header</a>
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferListIterator"><span class="type">GstBufferListIterator</span></a> *it</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> appbits</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> size</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstrtpbuffer.description"></a><h2>Description</h2>
<p>
</p>
<div class="refsect2">
<a name="idp20554720"></a><p>
The GstRTPBuffer helper functions makes it easy to parse and create regular 
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> objects that contain RTP payloads. These buffers are typically of
'application/x-rtp' <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a>.
</p>
</div>
<p>
</p>
<p>
Last reviewed on 2006-07-17 (0.10.10)
</p>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstrtpbuffer.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GST-RTP-VERSION:CAPS"></a><h3>GST_RTP_VERSION</h3>
<pre class="programlisting">#define GST_RTP_VERSION 2
</pre>
<p>
The supported RTP version 2.
</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-allocate-data"></a><h3>gst_rtp_buffer_allocate_data ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gst_rtp_buffer_allocate_data        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> payload_len</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> pad_len</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> csrc_count</code></em>);</pre>
<p>
Allocate enough data in <em class="parameter"><code>buffer</code></em> to hold an RTP packet with <em class="parameter"><code>csrc_count</code></em> CSRCs,
a payload length of <em class="parameter"><code>payload_len</code></em> and padding of <em class="parameter"><code>pad_len</code></em>.
MALLOCDATA of <em class="parameter"><code>buffer</code></em> will be overwritten and will not be freed. 
All other RTP header fields will be set to 0/FALSE.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>a <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>payload_len</code></em> :</span></p></td>
<td>the length of the payload</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>pad_len</code></em> :</span></p></td>
<td>the amount of padding</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>csrc_count</code></em> :</span></p></td>
<td>the number of CSRC entries</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-new-take-data"></a><h3>gst_rtp_buffer_new_take_data ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="returnvalue">GstBuffer</span></a> *         gst_rtp_buffer_new_take_data        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);</pre>
<p>
Create a new buffer and set the data and size of the buffer to <em class="parameter"><code>data</code></em> and <em class="parameter"><code>len</code></em>
respectively. <em class="parameter"><code>data</code></em> will be freed when the buffer is unreffed, so this
function transfers ownership of <em class="parameter"><code>data</code></em> to the new buffer.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>data for the new buffer</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>len</code></em> :</span></p></td>
<td>the length of data</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>A newly allocated buffer with <em class="parameter"><code>data</code></em> and of size <em class="parameter"><code>len</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-new-copy-data"></a><h3>gst_rtp_buffer_new_copy_data ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="returnvalue">GstBuffer</span></a> *         gst_rtp_buffer_new_copy_data        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);</pre>
<p>
Create a new buffer and set the data to a copy of <em class="parameter"><code>len</code></em>
bytes of <em class="parameter"><code>data</code></em> and the size to <em class="parameter"><code>len</code></em>. The data will be freed when the buffer
is freed.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>data for the new buffer</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>len</code></em> :</span></p></td>
<td>the length of data</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>A newly allocated buffer with a copy of <em class="parameter"><code>data</code></em> and of size <em class="parameter"><code>len</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-new-allocate"></a><h3>gst_rtp_buffer_new_allocate ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="returnvalue">GstBuffer</span></a> *         gst_rtp_buffer_new_allocate         (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> payload_len</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> pad_len</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> csrc_count</code></em>);</pre>
<p>
Allocate a new <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> with enough data to hold an RTP packet with
<em class="parameter"><code>csrc_count</code></em> CSRCs, a payload length of <em class="parameter"><code>payload_len</code></em> and padding of <em class="parameter"><code>pad_len</code></em>.
All other RTP header fields will be set to 0/FALSE.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>payload_len</code></em> :</span></p></td>
<td>the length of the payload</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>pad_len</code></em> :</span></p></td>
<td>the amount of padding</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>csrc_count</code></em> :</span></p></td>
<td>the number of CSRC entries</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>A newly allocated buffer that can hold an RTP packet with given
parameters.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-new-allocate-len"></a><h3>gst_rtp_buffer_new_allocate_len ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="returnvalue">GstBuffer</span></a> *         gst_rtp_buffer_new_allocate_len     (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> packet_len</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> pad_len</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> csrc_count</code></em>);</pre>
<p>
Create a new <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> that can hold an RTP packet that is exactly
<em class="parameter"><code>packet_len</code></em> long. The length of the payload depends on <em class="parameter"><code>pad_len</code></em> and
<em class="parameter"><code>csrc_count</code></em> and can be calculated with <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-calc-payload-len" title="gst_rtp_buffer_calc_payload_len ()"><code class="function">gst_rtp_buffer_calc_payload_len()</code></a>.
All RTP header fields will be set to 0/FALSE.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>packet_len</code></em> :</span></p></td>
<td>the total length of the packet</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>pad_len</code></em> :</span></p></td>
<td>the amount of padding</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>csrc_count</code></em> :</span></p></td>
<td>the number of CSRC entries</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>A newly allocated buffer that can hold an RTP packet of <em class="parameter"><code>packet_len</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-list-from-buffer"></a><h3>gst_rtp_buffer_list_from_buffer ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferList"><span class="returnvalue">GstBufferList</span></a> *     gst_rtp_buffer_list_from_buffer     (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
<p>
Splits a <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> into a <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> containing separate
buffers for the header and data sections.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>a <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> containing a RTP packet</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-calc-header-len"></a><h3>gst_rtp_buffer_calc_header_len ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               gst_rtp_buffer_calc_header_len      (<em class="parameter"><code><span class="type">guint8</span> csrc_count</code></em>);</pre>
<p>
Calculate the header length of an RTP packet with <em class="parameter"><code>csrc_count</code></em> CSRC entries.
An RTP packet can have at most 15 CSRC entries.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>csrc_count</code></em> :</span></p></td>
<td>the number of CSRC entries</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The length of an RTP header with <em class="parameter"><code>csrc_count</code></em> CSRC entries.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-calc-packet-len"></a><h3>gst_rtp_buffer_calc_packet_len ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               gst_rtp_buffer_calc_packet_len      (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> payload_len</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> pad_len</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> csrc_count</code></em>);</pre>
<p>
Calculate the total length of an RTP packet with a payload size of <em class="parameter"><code>payload_len</code></em>,
a padding of <em class="parameter"><code>pad_len</code></em> and a <em class="parameter"><code>csrc_count</code></em> CSRC entries.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>payload_len</code></em> :</span></p></td>
<td>the length of the payload</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>pad_len</code></em> :</span></p></td>
<td>the amount of padding</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>csrc_count</code></em> :</span></p></td>
<td>the number of CSRC entries</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The total length of an RTP header with given parameters.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-calc-payload-len"></a><h3>gst_rtp_buffer_calc_payload_len ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               gst_rtp_buffer_calc_payload_len     (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> packet_len</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> pad_len</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> csrc_count</code></em>);</pre>
<p>
Calculate the length of the payload of an RTP packet with size <em class="parameter"><code>packet_len</code></em>,
a padding of <em class="parameter"><code>pad_len</code></em> and a <em class="parameter"><code>csrc_count</code></em> CSRC entries.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>packet_len</code></em> :</span></p></td>
<td>the length of the total RTP packet</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>pad_len</code></em> :</span></p></td>
<td>the amount of padding</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>csrc_count</code></em> :</span></p></td>
<td>the number of CSRC entries</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The length of the payload of an RTP packet  with given parameters.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-validate"></a><h3>gst_rtp_buffer_validate ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_validate             (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
<p>
Check if the data pointed to by <em class="parameter"><code>buffer</code></em> is a valid RTP packet using
<a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-validate-data" title="gst_rtp_buffer_validate_data ()"><code class="function">gst_rtp_buffer_validate_data()</code></a>.
Use this function to validate a packet before using the other functions in
this module.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer to validate</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>TRUE if <em class="parameter"><code>buffer</code></em> is a valid RTP packet.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-validate-data"></a><h3>gst_rtp_buffer_validate_data ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_validate_data        (<em class="parameter"><code><span class="type">guint8</span> *data</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);</pre>
<p>
Check if the <em class="parameter"><code>data</code></em> and <em class="parameter"><code>size</code></em> point to the data of a valid RTP packet.
This function checks the length, version and padding of the packet data.
Use this function to validate a packet before using the other functions in
this module.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>the data to validate</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>len</code></em> :</span></p></td>
<td>the length of <em class="parameter"><code>data</code></em> to validate</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>TRUE if the data points to a valid RTP packet.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-set-packet-len"></a><h3>gst_rtp_buffer_set_packet_len ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gst_rtp_buffer_set_packet_len       (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);</pre>
<p>
Set the total <em class="parameter"><code>buffer</code></em> size to <em class="parameter"><code>len</code></em>. The data in the buffer will be made
larger if needed. Any padding will be removed from the packet.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>len</code></em> :</span></p></td>
<td>the new packet length</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-get-packet-len"></a><h3>gst_rtp_buffer_get_packet_len ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               gst_rtp_buffer_get_packet_len       (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
<p>
Return the total length of the packet in <em class="parameter"><code>buffer</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The total length of the packet in <em class="parameter"><code>buffer</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-get-header-len"></a><h3>gst_rtp_buffer_get_header_len ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               gst_rtp_buffer_get_header_len       (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
<p>
Return the total length of the header in <em class="parameter"><code>buffer</code></em>. This include the length of
the fixed header, the CSRC list and the extension header.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The total length of the header in <em class="parameter"><code>buffer</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-get-version"></a><h3>gst_rtp_buffer_get_version ()</h3>
<pre class="programlisting"><span class="returnvalue">guint8</span>              gst_rtp_buffer_get_version          (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
<p>
Get the version number of the RTP packet in <em class="parameter"><code>buffer</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The version of <em class="parameter"><code>buffer</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-set-version"></a><h3>gst_rtp_buffer_set_version ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gst_rtp_buffer_set_version          (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> version</code></em>);</pre>
<p>
Set the version of the RTP packet in <em class="parameter"><code>buffer</code></em> to <em class="parameter"><code>version</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>version</code></em> :</span></p></td>
<td>the new version</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-get-padding"></a><h3>gst_rtp_buffer_get_padding ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_get_padding          (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
<p>
Check if the padding bit is set on the RTP packet in <em class="parameter"><code>buffer</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>TRUE if <em class="parameter"><code>buffer</code></em> has the padding bit set.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-set-padding"></a><h3>gst_rtp_buffer_set_padding ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gst_rtp_buffer_set_padding          (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> padding</code></em>);</pre>
<p>
Set the padding bit on the RTP packet in <em class="parameter"><code>buffer</code></em> to <em class="parameter"><code>padding</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>padding</code></em> :</span></p></td>
<td>the new padding</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-pad-to"></a><h3>gst_rtp_buffer_pad_to ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gst_rtp_buffer_pad_to               (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);</pre>
<p>
Set the amount of padding in the RTP packet in <em class="parameter"><code>buffer</code></em> to
<em class="parameter"><code>len</code></em>. If <em class="parameter"><code>len</code></em> is 0, the padding is removed.
</p>
<p>
NOTE: This function does not work correctly.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>len</code></em> :</span></p></td>
<td>the new amount of padding</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-get-extension"></a><h3>gst_rtp_buffer_get_extension ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_get_extension        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
<p>
Check if the extension bit is set on the RTP packet in <em class="parameter"><code>buffer</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>TRUE if <em class="parameter"><code>buffer</code></em> has the extension bit set.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-set-extension"></a><h3>gst_rtp_buffer_set_extension ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gst_rtp_buffer_set_extension        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> extension</code></em>);</pre>
<p>
Set the extension bit on the RTP packet in <em class="parameter"><code>buffer</code></em> to <em class="parameter"><code>extension</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>extension</code></em> :</span></p></td>
<td>the new extension</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-get-extension-data"></a><h3>gst_rtp_buffer_get_extension_data ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_get_extension_data   (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><span class="type">guint16</span> *bits</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> *data</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> *wordlen</code></em>);</pre>
<p>
Get the extension data. <em class="parameter"><code>bits</code></em> will contain the extension 16 bits of custom
data. <em class="parameter"><code>data</code></em> will point to the data in the extension and <em class="parameter"><code>wordlen</code></em> will contain
the length of <em class="parameter"><code>data</code></em> in 32 bits words.
</p>
<p>
If <em class="parameter"><code>buffer</code></em> did not contain an extension, this function will return <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>
with <em class="parameter"><code>bits</code></em>, <em class="parameter"><code>data</code></em> and <em class="parameter"><code>wordlen</code></em> unchanged.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>bits</code></em> :</span></p></td>
<td>location for result bits</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>location for data</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>wordlen</code></em> :</span></p></td>
<td>location for length of <em class="parameter"><code>data</code></em> in 32 bits words</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>TRUE if <em class="parameter"><code>buffer</code></em> had the extension bit set.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.15</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-get-ssrc"></a><h3>gst_rtp_buffer_get_ssrc ()</h3>
<pre class="programlisting"><span class="returnvalue">guint32</span>             gst_rtp_buffer_get_ssrc             (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
<p>
Get the SSRC of the RTP packet in <em class="parameter"><code>buffer</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the SSRC of <em class="parameter"><code>buffer</code></em> in host order.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-set-ssrc"></a><h3>gst_rtp_buffer_set_ssrc ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gst_rtp_buffer_set_ssrc             (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><span class="type">guint32</span> ssrc</code></em>);</pre>
<p>
Set the SSRC on the RTP packet in <em class="parameter"><code>buffer</code></em> to <em class="parameter"><code>ssrc</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>ssrc</code></em> :</span></p></td>
<td>the new SSRC</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-get-csrc-count"></a><h3>gst_rtp_buffer_get_csrc_count ()</h3>
<pre class="programlisting"><span class="returnvalue">guint8</span>              gst_rtp_buffer_get_csrc_count       (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
<p>
Get the CSRC count of the RTP packet in <em class="parameter"><code>buffer</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the CSRC count of <em class="parameter"><code>buffer</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-get-csrc"></a><h3>gst_rtp_buffer_get_csrc ()</h3>
<pre class="programlisting"><span class="returnvalue">guint32</span>             gst_rtp_buffer_get_csrc             (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> idx</code></em>);</pre>
<p>
Get the CSRC at index <em class="parameter"><code>idx</code></em> in <em class="parameter"><code>buffer</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>idx</code></em> :</span></p></td>
<td>the index of the CSRC to get</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the CSRC at index <em class="parameter"><code>idx</code></em> in host order.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-set-csrc"></a><h3>gst_rtp_buffer_set_csrc ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gst_rtp_buffer_set_csrc             (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> idx</code></em>,
                                                         <em class="parameter"><code><span class="type">guint32</span> csrc</code></em>);</pre>
<p>
Modify the CSRC at index <em class="parameter"><code>idx</code></em> in <em class="parameter"><code>buffer</code></em> to <em class="parameter"><code>csrc</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>idx</code></em> :</span></p></td>
<td>the CSRC index to set</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>csrc</code></em> :</span></p></td>
<td>the CSRC in host order to set at <em class="parameter"><code>idx</code></em>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-get-marker"></a><h3>gst_rtp_buffer_get_marker ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_get_marker           (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
<p>
Check if the marker bit is set on the RTP packet in <em class="parameter"><code>buffer</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>TRUE if <em class="parameter"><code>buffer</code></em> has the marker bit set.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-set-marker"></a><h3>gst_rtp_buffer_set_marker ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gst_rtp_buffer_set_marker           (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> marker</code></em>);</pre>
<p>
Set the marker bit on the RTP packet in <em class="parameter"><code>buffer</code></em> to <em class="parameter"><code>marker</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>marker</code></em> :</span></p></td>
<td>the new marker</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-get-payload-type"></a><h3>gst_rtp_buffer_get_payload_type ()</h3>
<pre class="programlisting"><span class="returnvalue">guint8</span>              gst_rtp_buffer_get_payload_type     (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
<p>
Get the payload type of the RTP packet in <em class="parameter"><code>buffer</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The payload type.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-set-payload-type"></a><h3>gst_rtp_buffer_set_payload_type ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gst_rtp_buffer_set_payload_type     (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> payload_type</code></em>);</pre>
<p>
Set the payload type of the RTP packet in <em class="parameter"><code>buffer</code></em> to <em class="parameter"><code>payload_type</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>payload_type</code></em> :</span></p></td>
<td>the new type</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-get-seq"></a><h3>gst_rtp_buffer_get_seq ()</h3>
<pre class="programlisting"><span class="returnvalue">guint16</span>             gst_rtp_buffer_get_seq              (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
<p>
Get the sequence number of the RTP packet in <em class="parameter"><code>buffer</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The sequence number in host order.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-set-seq"></a><h3>gst_rtp_buffer_set_seq ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gst_rtp_buffer_set_seq              (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><span class="type">guint16</span> seq</code></em>);</pre>
<p>
Set the sequence number of the RTP packet in <em class="parameter"><code>buffer</code></em> to <em class="parameter"><code>seq</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>seq</code></em> :</span></p></td>
<td>the new sequence number</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-get-timestamp"></a><h3>gst_rtp_buffer_get_timestamp ()</h3>
<pre class="programlisting"><span class="returnvalue">guint32</span>             gst_rtp_buffer_get_timestamp        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
<p>
Get the timestamp of the RTP packet in <em class="parameter"><code>buffer</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The timestamp in host order.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-set-timestamp"></a><h3>gst_rtp_buffer_set_timestamp ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gst_rtp_buffer_set_timestamp        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><span class="type">guint32</span> timestamp</code></em>);</pre>
<p>
Set the timestamp of the RTP packet in <em class="parameter"><code>buffer</code></em> to <em class="parameter"><code>timestamp</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>timestamp</code></em> :</span></p></td>
<td>the new timestamp</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-get-payload-buffer"></a><h3>gst_rtp_buffer_get_payload_buffer ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="returnvalue">GstBuffer</span></a> *         gst_rtp_buffer_get_payload_buffer   (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
<p>
Create a buffer of the payload of the RTP packet in <em class="parameter"><code>buffer</code></em>. This function
will internally create a subbuffer of <em class="parameter"><code>buffer</code></em> so that a memcpy can be
avoided.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>A new buffer with the data of the payload.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-get-payload-subbuffer"></a><h3>gst_rtp_buffer_get_payload_subbuffer ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="returnvalue">GstBuffer</span></a> *         gst_rtp_buffer_get_payload_subbuffer
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> offset</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> len</code></em>);</pre>
<p>
Create a subbuffer of the payload of the RTP packet in <em class="parameter"><code>buffer</code></em>. <em class="parameter"><code>offset</code></em> bytes
are skipped in the payload and the subbuffer will be of size <em class="parameter"><code>len</code></em>.
If <em class="parameter"><code>len</code></em> is -1 the total payload starting from <em class="parameter"><code>offset</code></em> if subbuffered.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>offset</code></em> :</span></p></td>
<td>the offset in the payload</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>len</code></em> :</span></p></td>
<td>the length in the payload</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>A new buffer with the specified data of the payload.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.10</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-get-payload-len"></a><h3>gst_rtp_buffer_get_payload_len ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               gst_rtp_buffer_get_payload_len      (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
<p>
Get the length of the payload of the RTP packet in <em class="parameter"><code>buffer</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The length of the payload in <em class="parameter"><code>buffer</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-get-payload"></a><h3>gst_rtp_buffer_get_payload ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="returnvalue">gpointer</span></a>            gst_rtp_buffer_get_payload          (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>);</pre>
<p>
Get a pointer to the payload data in <em class="parameter"><code>buffer</code></em>. This pointer is valid as long
as a reference to <em class="parameter"><code>buffer</code></em> is held.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>A pointer to the payload data in <em class="parameter"><code>buffer</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-default-clock-rate"></a><h3>gst_rtp_buffer_default_clock_rate ()</h3>
<pre class="programlisting"><span class="returnvalue">guint32</span>             gst_rtp_buffer_default_clock_rate   (<em class="parameter"><code><span class="type">guint8</span> payload_type</code></em>);</pre>
<p>
Get the default clock-rate for the static payload type <em class="parameter"><code>payload_type</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>payload_type</code></em> :</span></p></td>
<td>the static payload type</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the default clock rate or -1 if the payload type is not static or
the clock-rate is undefined.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.13</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-compare-seqnum"></a><h3>gst_rtp_buffer_compare_seqnum ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>                gst_rtp_buffer_compare_seqnum       (<em class="parameter"><code><span class="type">guint16</span> seqnum1</code></em>,
                                                         <em class="parameter"><code><span class="type">guint16</span> seqnum2</code></em>);</pre>
<p>
Compare two sequence numbers, taking care of wraparounds. This function
returns the difference between <em class="parameter"><code>seqnum1</code></em> and <em class="parameter"><code>seqnum2</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>seqnum1</code></em> :</span></p></td>
<td>a sequence number</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>seqnum2</code></em> :</span></p></td>
<td>a sequence number</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a negative value if <em class="parameter"><code>seqnum1</code></em> is bigger than <em class="parameter"><code>seqnum2</code></em>, 0 if they
are equal or a positive value if <em class="parameter"><code>seqnum1</code></em> is smaller than <em class="parameter"><code>segnum2</code></em>.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.15</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-ext-timestamp"></a><h3>gst_rtp_buffer_ext_timestamp ()</h3>
<pre class="programlisting"><span class="returnvalue">guint64</span>             gst_rtp_buffer_ext_timestamp        (<em class="parameter"><code><span class="type">guint64</span> *exttimestamp</code></em>,
                                                         <em class="parameter"><code><span class="type">guint32</span> timestamp</code></em>);</pre>
<p>
Update the <em class="parameter"><code>exttimestamp</code></em> field with <em class="parameter"><code>timestamp</code></em>. For the first call of the
method, <em class="parameter"><code>exttimestamp</code></em> should point to a location with a value of -1.
</p>
<p>
This function makes sure that the returned value is a constantly increasing
value even in the case where there is a timestamp wraparound.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>exttimestamp</code></em> :</span></p></td>
<td>a previous extended timestamp</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>timestamp</code></em> :</span></p></td>
<td>a new timestamp</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The extended timestamp of <em class="parameter"><code>timestamp</code></em>.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.15</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-set-extension-data"></a><h3>gst_rtp_buffer_set_extension_data ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_set_extension_data   (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><span class="type">guint16</span> bits</code></em>,
                                                         <em class="parameter"><code><span class="type">guint16</span> length</code></em>);</pre>
<p>
Set the extension bit of the rtp buffer and fill in the <em class="parameter"><code>bits</code></em> and <em class="parameter"><code>length</code></em> of the
extension header. It will refuse to set the extension data if the buffer is not
large enough.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>bits</code></em> :</span></p></td>
<td>the bits specific for the extension</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>length</code></em> :</span></p></td>
<td>the length that counts the number of 32-bit words in
the extension, excluding the extension header ( therefore zero is a valid length)</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>True if done.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.18</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-list-validate"></a><h3>gst_rtp_buffer_list_validate ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_list_validate        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>);</pre>
<p>
Check if all RTP packets in the <em class="parameter"><code>list</code></em> are valid using <a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-validate-data" title="gst_rtp_buffer_validate_data ()"><code class="function">gst_rtp_buffer_validate_data()</code></a>.
Use this function to validate an list before using the other functions in
this module.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>list</code></em> :</span></p></td>
<td>the buffer list to validate</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>TRUE if <em class="parameter"><code>list</code></em> consists only of valid RTP packets.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.24</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-list-get-payload-len"></a><h3>gst_rtp_buffer_list_get_payload_len ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               gst_rtp_buffer_list_get_payload_len (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>);</pre>
<p>
Get the length of the payload of the RTP packet in <em class="parameter"><code>list</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>list</code></em> :</span></p></td>
<td>the buffer list</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The length of the payload in <em class="parameter"><code>list</code></em>.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.24</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-list-get-payload-type"></a><h3>gst_rtp_buffer_list_get_payload_type ()</h3>
<pre class="programlisting"><span class="returnvalue">guint8</span>              gst_rtp_buffer_list_get_payload_type
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>);</pre>
<p>
Get the payload type of the first RTP packet in <em class="parameter"><code>list</code></em>.
All packets in <em class="parameter"><code>list</code></em> should have the same payload type.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>list</code></em> :</span></p></td>
<td>the buffer list</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The payload type.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.24</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-list-set-payload-type"></a><h3>gst_rtp_buffer_list_set_payload_type ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gst_rtp_buffer_list_set_payload_type
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> payload_type</code></em>);</pre>
<p>
Set the payload type of each RTP packet in <em class="parameter"><code>list</code></em> to <em class="parameter"><code>payload_type</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>list</code></em> :</span></p></td>
<td>the buffer list</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>payload_type</code></em> :</span></p></td>
<td>the new type</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.24</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-list-get-seq"></a><h3>gst_rtp_buffer_list_get_seq ()</h3>
<pre class="programlisting"><span class="returnvalue">guint16</span>             gst_rtp_buffer_list_get_seq         (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>);</pre>
<p>
Get the sequence number of the first RTP packet in <em class="parameter"><code>list</code></em>.
All packets within <em class="parameter"><code>list</code></em> have the same sequence number.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>list</code></em> :</span></p></td>
<td>the buffer list</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The seq number</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.24</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-list-set-seq"></a><h3>gst_rtp_buffer_list_set_seq ()</h3>
<pre class="programlisting"><span class="returnvalue">guint16</span>             gst_rtp_buffer_list_set_seq         (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>,
                                                         <em class="parameter"><code><span class="type">guint16</span> seq</code></em>);</pre>
<p>
Set the sequence number of each RTP packet in <em class="parameter"><code>list</code></em> to <em class="parameter"><code>seq</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>list</code></em> :</span></p></td>
<td>the buffer list</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>seq</code></em> :</span></p></td>
<td>the new sequence number</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The seq number of the last packet in the list + 1.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.24</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-list-get-ssrc"></a><h3>gst_rtp_buffer_list_get_ssrc ()</h3>
<pre class="programlisting"><span class="returnvalue">guint32</span>             gst_rtp_buffer_list_get_ssrc        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>);</pre>
<p>
Get the SSRC of the first RTP packet in <em class="parameter"><code>list</code></em>.
All RTP packets within <em class="parameter"><code>list</code></em> have the same SSRC.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>list</code></em> :</span></p></td>
<td>the buffer list</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the SSRC of <em class="parameter"><code>list</code></em> in host order.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.24</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-list-set-ssrc"></a><h3>gst_rtp_buffer_list_set_ssrc ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gst_rtp_buffer_list_set_ssrc        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>,
                                                         <em class="parameter"><code><span class="type">guint32</span> ssrc</code></em>);</pre>
<p>
Set the SSRC on each RTP packet in <em class="parameter"><code>list</code></em> to <em class="parameter"><code>ssrc</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>list</code></em> :</span></p></td>
<td>the buffer list</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>ssrc</code></em> :</span></p></td>
<td>the new SSRC</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.24</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-list-get-timestamp"></a><h3>gst_rtp_buffer_list_get_timestamp ()</h3>
<pre class="programlisting"><span class="returnvalue">guint32</span>             gst_rtp_buffer_list_get_timestamp   (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>);</pre>
<p>
Get the timestamp of the first RTP packet in <em class="parameter"><code>list</code></em>.
All packets within <em class="parameter"><code>list</code></em> have the same timestamp.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>list</code></em> :</span></p></td>
<td>the buffer list</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The timestamp in host order.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.24</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-list-set-timestamp"></a><h3>gst_rtp_buffer_list_set_timestamp ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gst_rtp_buffer_list_set_timestamp   (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *list</code></em>,
                                                         <em class="parameter"><code><span class="type">guint32</span> timestamp</code></em>);</pre>
<p>
Set the timestamp of each RTP packet in <em class="parameter"><code>list</code></em> to <em class="parameter"><code>timestamp</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>list</code></em> :</span></p></td>
<td>the buffer list</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>timestamp</code></em> :</span></p></td>
<td>the new timestamp</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.24</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-get-extension-onebyte-header"></a><h3>gst_rtp_buffer_get_extension_onebyte_header ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_get_extension_onebyte_header
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> nth</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> *data</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> *size</code></em>);</pre>
<p>
Parses RFC 5285 style header extensions with a one byte header. It will
return the nth extension with the requested id.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>id</code></em> :</span></p></td>
<td>The ID of the header extension to be read (between 1 and 14).</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>nth</code></em> :</span></p></td>
<td>Read the nth extension packet with the requested ID</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>location for data</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
<td>the size of the data in bytes</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>TRUE if <em class="parameter"><code>buffer</code></em> had the requested header extension</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.31</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-get-extension-twobytes-header"></a><h3>gst_rtp_buffer_get_extension_twobytes_header ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_get_extension_twobytes_header
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> *appbits</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> nth</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> *data</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> *size</code></em>);</pre>
<p>
Parses RFC 5285 style header extensions with a two bytes header. It will
return the nth extension with the requested id.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>appbits</code></em> :</span></p></td>
<td>Application specific bits</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>id</code></em> :</span></p></td>
<td>The ID of the header extension to be read (between 1 and 14).</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>nth</code></em> :</span></p></td>
<td>Read the nth extension packet with the requested ID</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>location for data</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
<td>the size of the data in bytes</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>TRUE if <em class="parameter"><code>buffer</code></em> had the requested header extension</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.31</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-add-extension-onebyte-header"></a><h3>gst_rtp_buffer_add_extension_onebyte_header ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_add_extension_onebyte_header
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> size</code></em>);</pre>
<p>
Adds a RFC 5285 header extension with a one byte header to the end of the
RTP header. If there is already a RFC 5285 header extension with a one byte
header, the new extension will be appended.
It will not work if there is already a header extension that does not follow
the mecanism described in RFC 5285 or if there is a header extension with
a two bytes header as described in RFC 5285. In that case, use
<a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-add-extension-twobytes-header" title="gst_rtp_buffer_add_extension_twobytes_header ()"><code class="function">gst_rtp_buffer_add_extension_twobytes_header()</code></a>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>id</code></em> :</span></p></td>
<td>The ID of the header extension (between 1 and 14).</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>location for data</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
<td>the size of the data in bytes</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if header extension could be added</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.31</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-add-extension-twobytes-header"></a><h3>gst_rtp_buffer_add_extension_twobytes_header ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_add_extension_twobytes_header
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *buffer</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> appbits</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> size</code></em>);</pre>
<p>
Adds a RFC 5285 header extension with a two bytes header to the end of the
RTP header. If there is already a RFC 5285 header extension with a two bytes
header, the new extension will be appended.
It will not work if there is already a header extension that does not follow
the mecanism described in RFC 5285 or if there is a header extension with
a one byte header as described in RFC 5285. In that case, use
<a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-add-extension-onebyte-header" title="gst_rtp_buffer_add_extension_onebyte_header ()"><code class="function">gst_rtp_buffer_add_extension_onebyte_header()</code></a>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the buffer</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>appbits</code></em> :</span></p></td>
<td>Application specific bits</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>id</code></em> :</span></p></td>
<td>The ID of the header extension</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>location for data</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
<td>the size of the data in bytes</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if header extension could be added</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.31</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-list-get-extension-onebyte-header"></a><h3>gst_rtp_buffer_list_get_extension_onebyte_header ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_list_get_extension_onebyte_header
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *bufferlist</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> group_idx</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> nth</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> *data</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> *size</code></em>);</pre>
<p>
Parses RFC 5285 style header extensions with a one byte header. It will
return the nth extension with the requested id.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>bufferlist</code></em> :</span></p></td>
<td>the bufferlist</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>group_idx</code></em> :</span></p></td>
<td>The index of the group in the <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>id</code></em> :</span></p></td>
<td>The ID of the header extension to be read (between 1 and 14).</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>nth</code></em> :</span></p></td>
<td>Read the nth extension packet with the requested ID</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>location for data</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
<td>the size of the data in bytes</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>TRUE if <em class="parameter"><code>buffer</code></em> had the requested header extension</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.31</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-list-get-extension-twobytes-header"></a><h3>gst_rtp_buffer_list_get_extension_twobytes_header ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_list_get_extension_twobytes_header
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *bufferlist</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> group_idx</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> *appbits</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> nth</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> *data</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> *size</code></em>);</pre>
<p>
Parses RFC 5285 style header extensions with a two bytes header. It will
return the nth extension with the requested id.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>bufferlist</code></em> :</span></p></td>
<td>the bufferlist</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>group_idx</code></em> :</span></p></td>
<td>The index of the group in the <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>appbits</code></em> :</span></p></td>
<td>Application specific bits</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>id</code></em> :</span></p></td>
<td>The ID of the header extension to be read (between 1 and 14).</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>nth</code></em> :</span></p></td>
<td>Read the nth extension packet with the requested ID</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>location for data</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
<td>the size of the data in bytes</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>TRUE if <em class="parameter"><code>buffer</code></em> had the requested header extension</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.31</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-list-add-extension-onebyte-header"></a><h3>gst_rtp_buffer_list_add_extension_onebyte_header ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_list_add_extension_onebyte_header
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferListIterator"><span class="type">GstBufferListIterator</span></a> *it</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> size</code></em>);</pre>
<p>
Adds a RFC 5285 header extension with a one byte header to the end of the
RTP header. If there is already a RFC 5285 header extension with a one byte
header, the new extension will be appended.
It will not work if there is already a header extension that does not follow
the mecanism described in RFC 5285 or if there is a header extension with
a two bytes header as described in RFC 5285. In that case, use
<a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-list-add-extension-twobytes-header" title="gst_rtp_buffer_list_add_extension_twobytes_header ()"><code class="function">gst_rtp_buffer_list_add_extension_twobytes_header()</code></a>
</p>
<p>
This function will not modify the data section of the RTP buffer, only
the header.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>it</code></em> :</span></p></td>
<td>a <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferListIterator"><span class="type">GstBufferListIterator</span></a> pointing right after the <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> where
the header extension should be added</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>id</code></em> :</span></p></td>
<td>The ID of the header extension (between 1 and 14).</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>location for data</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
<td>the size of the data in bytes</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if header extension could be added</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.31</p>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-buffer-list-add-extension-twobytes-header"></a><h3>gst_rtp_buffer_list_add_extension_twobytes_header ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gst_rtp_buffer_list_add_extension_twobytes_header
                                                        (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferListIterator"><span class="type">GstBufferListIterator</span></a> *it</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> appbits</code></em>,
                                                         <em class="parameter"><code><span class="type">guint8</span> id</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> data</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> size</code></em>);</pre>
<p>
Adds a RFC 5285 header extension with a two bytes header to the end of the
RTP header. If there is already a RFC 5285 header extension with a two bytes
header, the new extension will be appended.
It will not work if there is already a header extension that does not follow
the mecanism described in RFC 5285 or if there is a header extension with
a one byte header as described in RFC 5285. In that case, use
<a class="link" href="gst-plugins-base-libs-gstrtpbuffer.html#gst-rtp-buffer-add-extension-onebyte-header" title="gst_rtp_buffer_add_extension_onebyte_header ()"><code class="function">gst_rtp_buffer_add_extension_onebyte_header()</code></a>
</p>
<p>
This function will not modify the data section of the RTP buffer, only
the header.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>it</code></em> :</span></p></td>
<td>a <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBufferList.html#GstBufferListIterator"><span class="type">GstBufferListIterator</span></a> pointing right after the <a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> where
the header extension should be added</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>appbits</code></em> :</span></p></td>
<td>Application specific bits</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>id</code></em> :</span></p></td>
<td>The ID of the header extension</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>location for data</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
<td>the size of the data in bytes</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if header extension could be added</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.31</p>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstrtpbuffer.see-also"></a><h2>See Also</h2>
<a class="link" href="gst-plugins-base-libs-gstbasertppayload.html#GstBaseRTPPayload"><span class="type">GstBaseRTPPayload</span></a>, <a class="link" href="gst-plugins-base-libs-gstbasertpdepayload.html#GstBaseRTPDepayload"><span class="type">GstBaseRTPDepayload</span></a>, gstrtcpbuffer
</div>
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