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<tr><td colspan="5" class="shortcuts">
<a href="#gst-plugins-good-plugins-rtpjitterbuffer.synopsis" class="shortcut">Top</a>
|
<a href="#gst-plugins-good-plugins-rtpjitterbuffer.description" class="shortcut">Description</a>
|
<a href="#gst-plugins-good-plugins-rtpjitterbuffer.object-hierarchy" class="shortcut">Object Hierarchy</a>
|
<a href="#gst-plugins-good-plugins-rtpjitterbuffer.properties" class="shortcut">Properties</a>
|
<a href="#gst-plugins-good-plugins-rtpjitterbuffer.signals" class="shortcut">Signals</a>
</td></tr>
</table>
<div class="refentry">
<a name="gst-plugins-good-plugins-rtpjitterbuffer"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="gst-plugins-good-plugins-rtpjitterbuffer.top_of_page"></a>rtpjitterbuffer</span></h2>
<p>rtpjitterbuffer — A buffer that deals with network jitter and other transmission faults</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<a name="gst-plugins-good-plugins-rtpjitterbuffer.synopsis"></a><h2>Synopsis</h2>
<a name="GstRtpJitterBuffer"></a><pre class="synopsis">struct <a class="link" href="gst-plugins-good-plugins-rtpjitterbuffer.html#GstRtpJitterBuffer-struct" title="struct GstRtpJitterBuffer">GstRtpJitterBuffer</a>;
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-rtpjitterbuffer.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
<a href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GObject">GObject</a>
+----<a href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
+----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstObject.html">GstObject</a>
+----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html">GstElement</a>
+----GstRtpJitterBuffer
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-rtpjitterbuffer.properties"></a><h2>Properties</h2>
<pre class="synopsis">
"<a class="link" href="gst-plugins-good-plugins-rtpjitterbuffer.html#GstRtpJitterBuffer--do-lost" title='The "do-lost" property'>do-lost</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write
"<a class="link" href="gst-plugins-good-plugins-rtpjitterbuffer.html#GstRtpJitterBuffer--drop-on-latency" title='The "drop-on-latency" property'>drop-on-latency</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write
"<a class="link" href="gst-plugins-good-plugins-rtpjitterbuffer.html#GstRtpJitterBuffer--latency" title='The "latency" property'>latency</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> : Read / Write
"<a class="link" href="gst-plugins-good-plugins-rtpjitterbuffer.html#GstRtpJitterBuffer--ts-offset" title='The "ts-offset" property'>ts-offset</a>" <span class="type">gint64</span> : Read / Write
"<a class="link" href="gst-plugins-good-plugins-rtpjitterbuffer.html#GstRtpJitterBuffer--mode" title='The "mode" property'>mode</a>" <span class="type">RTPJitterBufferMode</span> : Read / Write
"<a class="link" href="gst-plugins-good-plugins-rtpjitterbuffer.html#GstRtpJitterBuffer--percent" title='The "percent" property'>percent</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read
"<a class="link" href="gst-plugins-good-plugins-rtpjitterbuffer.html#GstRtpJitterBuffer--do-retransmission" title='The "do-retransmission" property'>do-retransmission</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write
"<a class="link" href="gst-plugins-good-plugins-rtpjitterbuffer.html#GstRtpJitterBuffer--rtx-delay" title='The "rtx-delay" property'>rtx-delay</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read
"<a class="link" href="gst-plugins-good-plugins-rtpjitterbuffer.html#GstRtpJitterBuffer--rtx-delay-reorder" title='The "rtx-delay-reorder" property'>rtx-delay-reorder</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read
"<a class="link" href="gst-plugins-good-plugins-rtpjitterbuffer.html#GstRtpJitterBuffer--rtx-retry-period" title='The "rtx-retry-period" property'>rtx-retry-period</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read
"<a class="link" href="gst-plugins-good-plugins-rtpjitterbuffer.html#GstRtpJitterBuffer--rtx-retry-timeout" title='The "rtx-retry-timeout" property'>rtx-retry-timeout</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-rtpjitterbuffer.signals"></a><h2>Signals</h2>
<pre class="synopsis">
"<a class="link" href="gst-plugins-good-plugins-rtpjitterbuffer.html#GstRtpJitterBuffer-clear-pt-map" title='The "clear-pt-map" signal'>clear-pt-map</a>" : <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Signals.html#G-SIGNAL-ACTION:CAPS"><code class="literal">Action</code></a>
"<a class="link" href="gst-plugins-good-plugins-rtpjitterbuffer.html#GstRtpJitterBuffer-handle-sync" title='The "handle-sync" signal'>handle-sync</a>" : <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a>
"<a class="link" href="gst-plugins-good-plugins-rtpjitterbuffer.html#GstRtpJitterBuffer-on-npt-stop" title='The "on-npt-stop" signal'>on-npt-stop</a>" : <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a>
"<a class="link" href="gst-plugins-good-plugins-rtpjitterbuffer.html#GstRtpJitterBuffer-request-pt-map" title='The "request-pt-map" signal'>request-pt-map</a>" : <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a>
"<a class="link" href="gst-plugins-good-plugins-rtpjitterbuffer.html#GstRtpJitterBuffer-set-active" title='The "set-active" signal'>set-active</a>" : <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Signals.html#G-SIGNAL-ACTION:CAPS"><code class="literal">Action</code></a>
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-rtpjitterbuffer.description"></a><h2>Description</h2>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="refsect2">
<a name="idp75250640"></a><h3>Element Information</h3>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<tbody>
<tr>
<td><p><span class="term">plugin</span></p></td>
<td>
<a class="link" href="gst-plugins-good-plugins-plugin-rtpmanager.html#plugin-rtpmanager">rtpmanager</a>
</td>
</tr>
<tr>
<td><p><span class="term">author</span></p></td>
<td>Philippe Kalaf <philippe.kalaf@collabora.co.uk>, Wim Taymans <wim.taymans@gmail.com></td>
</tr>
<tr>
<td><p><span class="term">class</span></p></td>
<td>Filter/Network/RTP</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="idp72269360"></a><h3>Element Pads</h3>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<tbody>
<tr>
<td><p><span class="term">name</span></p></td>
<td>sink</td>
</tr>
<tr>
<td><p><span class="term">direction</span></p></td>
<td>sink</td>
</tr>
<tr>
<td><p><span class="term">presence</span></p></td>
<td>always</td>
</tr>
<tr>
<td><p><span class="term">details</span></p></td>
<td>application/x-rtp, clock-rate=(int)[ 1, 2147483647 ]</td>
</tr>
</tbody>
</table></div>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<tbody>
<tr>
<td><p><span class="term">name</span></p></td>
<td>sink_rtcp</td>
</tr>
<tr>
<td><p><span class="term">direction</span></p></td>
<td>sink</td>
</tr>
<tr>
<td><p><span class="term">presence</span></p></td>
<td>request</td>
</tr>
<tr>
<td><p><span class="term">details</span></p></td>
<td>application/x-rtcp</td>
</tr>
</tbody>
</table></div>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
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<tbody>
<tr>
<td><p><span class="term">name</span></p></td>
<td>src</td>
</tr>
<tr>
<td><p><span class="term">direction</span></p></td>
<td>source</td>
</tr>
<tr>
<td><p><span class="term">presence</span></p></td>
<td>always</td>
</tr>
<tr>
<td><p><span class="term">details</span></p></td>
<td>application/x-rtp</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<p>
</p>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-rtpjitterbuffer.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GstRtpJitterBuffer-struct"></a><h3>struct GstRtpJitterBuffer</h3>
<pre class="programlisting">struct GstRtpJitterBuffer;</pre>
<p>
Opaque jitterbuffer structure.
</p>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-rtpjitterbuffer.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstRtpJitterBuffer--do-lost"></a><h3>The <code class="literal">"do-lost"</code> property</h3>
<pre class="programlisting"> "do-lost" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write</pre>
<p>Send an event downstream when a packet is lost.</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstRtpJitterBuffer--drop-on-latency"></a><h3>The <code class="literal">"drop-on-latency"</code> property</h3>
<pre class="programlisting"> "drop-on-latency" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write</pre>
<p>Tells the jitterbuffer to never exceed the given latency in size.</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstRtpJitterBuffer--latency"></a><h3>The <code class="literal">"latency"</code> property</h3>
<pre class="programlisting"> "latency" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> : Read / Write</pre>
<p>Amount of ms to buffer.</p>
<p>Default value: 200</p>
</div>
<hr>
<div class="refsect2">
<a name="GstRtpJitterBuffer--ts-offset"></a><h3>The <code class="literal">"ts-offset"</code> property</h3>
<pre class="programlisting"> "ts-offset" <span class="type">gint64</span> : Read / Write</pre>
<p>Adjust buffer timestamps with offset in nanoseconds.</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstRtpJitterBuffer--mode"></a><h3>The <code class="literal">"mode"</code> property</h3>
<pre class="programlisting"> "mode" <span class="type">RTPJitterBufferMode</span> : Read / Write</pre>
<p>Control the buffering algorithm in use.</p>
<p>Default value: Slave receiver to sender clock</p>
</div>
<hr>
<div class="refsect2">
<a name="GstRtpJitterBuffer--percent"></a><h3>The <code class="literal">"percent"</code> property</h3>
<pre class="programlisting"> "percent" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read</pre>
<p>The buffer filled percent.</p>
<p>Allowed values: [0,100]</p>
<p>Default value: 0</p>
</div>
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<hr>
<div class="refsect2">
<a name="GstRtpJitterBuffer--do-retransmission"></a><h3>The <code class="literal">"do-retransmission"</code> property</h3>
<pre class="programlisting"> "do-retransmission" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write</pre>
<p>Send retransmission events upstream when a packet is late.</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstRtpJitterBuffer--rtx-delay"></a><h3>The <code class="literal">"rtx-delay"</code> property</h3>
<pre class="programlisting"> "rtx-delay" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read</pre>
<p>Extra time in ms to wait before sending retransmission event (-1 automatic).</p>
<p>Allowed values: >= G_MAXULONG</p>
<p>Default value: 20</p>
</div>
<hr>
<div class="refsect2">
<a name="GstRtpJitterBuffer--rtx-delay-reorder"></a><h3>The <code class="literal">"rtx-delay-reorder"</code> property</h3>
<pre class="programlisting"> "rtx-delay-reorder" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read</pre>
<p>Sending retransmission event when this much reordering (-1 automatic).</p>
<p>Allowed values: >= G_MAXULONG</p>
<p>Default value: 3</p>
</div>
<hr>
<div class="refsect2">
<a name="GstRtpJitterBuffer--rtx-retry-period"></a><h3>The <code class="literal">"rtx-retry-period"</code> property</h3>
<pre class="programlisting"> "rtx-retry-period" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read</pre>
<p>Try to get a retransmission for this many ms (-1 automatic).</p>
<p>Allowed values: >= G_MAXULONG</p>
<p>Default value: 160</p>
</div>
<hr>
<div class="refsect2">
<a name="GstRtpJitterBuffer--rtx-retry-timeout"></a><h3>The <code class="literal">"rtx-retry-timeout"</code> property</h3>
<pre class="programlisting"> "rtx-retry-timeout" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read</pre>
<p>Retry sending a transmission event after this timeout in ms (-1 automatic).</p>
<p>Allowed values: >= G_MAXULONG</p>
<p>Default value: 40</p>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-rtpjitterbuffer.signal-details"></a><h2>Signal Details</h2>
<div class="refsect2">
<a name="GstRtpJitterBuffer-clear-pt-map"></a><h3>The <code class="literal">"clear-pt-map"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span> user_function (<a class="link" href="gst-plugins-good-plugins-rtpjitterbuffer.html#GstRtpJitterBuffer"><span class="type">GstRtpJitterBuffer</span></a> *buffer,
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data) : <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Signals.html#G-SIGNAL-ACTION:CAPS"><code class="literal">Action</code></a></pre>
<p>
Invalidate the clock-rate as obtained with the
<a class="link" href="gst-plugins-good-plugins-rtpjitterbuffer.html#GstRtpJitterBuffer-request-pt-map" title='The "request-pt-map" signal'><span class="type">"request-pt-map"</span></a> signal.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the object which received the signal</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstRtpJitterBuffer-handle-sync"></a><h3>The <code class="literal">"handle-sync"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span> user_function (<a class="link" href="gst-plugins-good-plugins-rtpjitterbuffer.html#GstRtpJitterBuffer"><span class="type">GstRtpJitterBuffer</span></a> *buffer,
<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstStructure.html#GstStructure"><span class="type">GstStructure</span></a> *struct,
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data) : <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a></pre>
<p>
Be notified of new sync values.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the object which received the signal</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>struct</code></em> :</span></p></td>
<td>a GstStructure containing sync values.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstRtpJitterBuffer-on-npt-stop"></a><h3>The <code class="literal">"on-npt-stop"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span> user_function (<a class="link" href="gst-plugins-good-plugins-rtpjitterbuffer.html#GstRtpJitterBuffer"><span class="type">GstRtpJitterBuffer</span></a> *buffer,
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data) : <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a></pre>
<p>
Signal that the jitterbufer has pushed the RTP packet that corresponds to
the npt-stop position.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the object which received the signal</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstRtpJitterBuffer-request-pt-map"></a><h3>The <code class="literal">"request-pt-map"</code> signal</h3>
<pre class="programlisting"><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstCaps.html#GstCaps"><span class="returnvalue">GstCaps</span></a>* user_function (<a class="link" href="gst-plugins-good-plugins-rtpjitterbuffer.html#GstRtpJitterBuffer"><span class="type">GstRtpJitterBuffer</span></a> *buffer,
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> pt,
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data) : <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a></pre>
<p>
Request the payload type as <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstCaps.html#GstCaps"><span class="type">GstCaps</span></a> for <em class="parameter"><code>pt</code></em>.
</p>
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<tbody>
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<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the object which received the signal</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>pt</code></em> :</span></p></td>
<td>the pt</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GstRtpJitterBuffer-set-active"></a><h3>The <code class="literal">"set-active"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">guint64</span> user_function (<a class="link" href="gst-plugins-good-plugins-rtpjitterbuffer.html#GstRtpJitterBuffer"><span class="type">GstRtpJitterBuffer</span></a> *buffer,
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> Returns,
<span class="type">guint64</span> arg2,
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data) : <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Signals.html#G-SIGNAL-ACTION:CAPS"><code class="literal">Action</code></a></pre>
<p>
Start pushing out packets with the given base time. This signal is only
useful in buffering mode.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>buffer</code></em> :</span></p></td>
<td>the object which received the signal</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the time of the last pushed packet.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.19</p>
</div>
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