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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<th width="100%" align="center">GStreamer Base Plugins 1.0 Library Reference Manual</th>
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                  <a href="#gst-plugins-base-libs-gstrtpbasedepayload.description" class="shortcut">Description</a>
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                  <a href="#gst-plugins-base-libs-gstrtpbasedepayload.object-hierarchy" class="shortcut">Object Hierarchy</a>
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<div class="refentry">
<a name="gst-plugins-base-libs-gstrtpbasedepayload"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="gst-plugins-base-libs-gstrtpbasedepayload.top_of_page"></a>gstrtpbasedepayload</span></h2>
<p>gstrtpbasedepayload — Base class for RTP depayloader</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<a name="gst-plugins-base-libs-gstrtpbasedepayload.synopsis"></a><h2>Synopsis</h2>
<a name="GstRTPBaseDepayload"></a><pre class="synopsis">
#include &lt;gst/rtp/gstrtpbasedepayload.h&gt;

struct              <a class="link" href="gst-plugins-base-libs-gstrtpbasedepayload.html#GstRTPBaseDepayload-struct" title="struct GstRTPBaseDepayload">GstRTPBaseDepayload</a>;
struct              <a class="link" href="gst-plugins-base-libs-gstrtpbasedepayload.html#GstRTPBaseDepayloadClass" title="struct GstRTPBaseDepayloadClass">GstRTPBaseDepayloadClass</a>;
#define             <a class="link" href="gst-plugins-base-libs-gstrtpbasedepayload.html#GST-RTP-BASE-DEPAYLOAD-SINKPAD:CAPS" title="GST_RTP_BASE_DEPAYLOAD_SINKPAD()">GST_RTP_BASE_DEPAYLOAD_SINKPAD</a>      (depayload)
#define             <a class="link" href="gst-plugins-base-libs-gstrtpbasedepayload.html#GST-RTP-BASE-DEPAYLOAD-SRCPAD:CAPS" title="GST_RTP_BASE_DEPAYLOAD_SRCPAD()">GST_RTP_BASE_DEPAYLOAD_SRCPAD</a>       (depayload)
<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstPad.html#GstFlowReturn"><span class="returnvalue">GstFlowReturn</span></a>       <a class="link" href="gst-plugins-base-libs-gstrtpbasedepayload.html#gst-rtp-base-depayload-push" title="gst_rtp_base_depayload_push ()">gst_rtp_base_depayload_push</a>         (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstrtpbasedepayload.html#GstRTPBaseDepayload"><span class="type">GstRTPBaseDepayload</span></a> *filter</code></em>,
                                                         <em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *out_buf</code></em>);
<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstPad.html#GstFlowReturn"><span class="returnvalue">GstFlowReturn</span></a>       <a class="link" href="gst-plugins-base-libs-gstrtpbasedepayload.html#gst-rtp-base-depayload-push-list" title="gst_rtp_base_depayload_push_list ()">gst_rtp_base_depayload_push_list</a>    (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstrtpbasedepayload.html#GstRTPBaseDepayload"><span class="type">GstRTPBaseDepayload</span></a> *filter</code></em>,
                                                         <em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *out_list</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstrtpbasedepayload.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>
                     +----GstRTPBaseDepayload
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstrtpbasedepayload.description"></a><h2>Description</h2>
<p>
Provides a base class for RTP depayloaders
</p>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstrtpbasedepayload.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GstRTPBaseDepayload-struct"></a><h3>struct GstRTPBaseDepayload</h3>
<pre class="programlisting">struct GstRTPBaseDepayload;</pre>
</div>
<hr>
<div class="refsect2">
<a name="GstRTPBaseDepayloadClass"></a><h3>struct GstRTPBaseDepayloadClass</h3>
<pre class="programlisting">struct GstRTPBaseDepayloadClass {
  GstElementClass parent_class;

  /* virtuals, inform the subclass of the caps. */
  gboolean (*set_caps) (GstRTPBaseDepayload *filter, GstCaps *caps);

  /* pure virtual function, child must use this to process incoming
   * rtp packets. If the child returns a buffer without a valid timestamp,
   * the timestamp of @in will be applied to the result buffer and the
   * buffer will be pushed. If this function returns %NULL, nothing is
   * pushed.  */
  GstBuffer * (*process) (GstRTPBaseDepayload *base, GstBuffer *in);

  /* non-pure function used to to signal the depayloader about packet loss. the
   * timestamp and duration are the estimated values of the lost packet.
   * The default implementation of this message pushes a segment update. */
  gboolean (*packet_lost) (GstRTPBaseDepayload *filter, GstEvent *event);

  /* the default implementation does the default actions for events but
   * implementation can override. */
  gboolean (*handle_event) (GstRTPBaseDepayload * filter, GstEvent * event);
};
</pre>
<p>
Base class for audio RTP payloader.
</p>
<div class="variablelist"><table border="0" class="variablelist">
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<td><p><span class="term"><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html#GstElementClass"><span class="type">GstElementClass</span></a> <em class="structfield"><code><a name="GstRTPBaseDepayloadClass.parent-class"></a>parent_class</code></em>;</span></p></td>
<td>the parent class</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="GstRTPBaseDepayloadClass.set-caps"></a>set_caps</code></em> ()</span></p></td>
<td>configure the depayloader</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="GstRTPBaseDepayloadClass.process"></a>process</code></em> ()</span></p></td>
<td>process incoming rtp packets</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="GstRTPBaseDepayloadClass.packet-lost"></a>packet_lost</code></em> ()</span></p></td>
<td>signal the depayloader about packet loss</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="GstRTPBaseDepayloadClass.handle-event"></a>handle_event</code></em> ()</span></p></td>
<td>custom event handling</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GST-RTP-BASE-DEPAYLOAD-SINKPAD:CAPS"></a><h3>GST_RTP_BASE_DEPAYLOAD_SINKPAD()</h3>
<pre class="programlisting">#define GST_RTP_BASE_DEPAYLOAD_SINKPAD(depayload) (GST_RTP_BASE_DEPAYLOAD (depayload)-&gt;sinkpad)
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-RTP-BASE-DEPAYLOAD-SRCPAD:CAPS"></a><h3>GST_RTP_BASE_DEPAYLOAD_SRCPAD()</h3>
<pre class="programlisting">#define GST_RTP_BASE_DEPAYLOAD_SRCPAD(depayload)  (GST_RTP_BASE_DEPAYLOAD (depayload)-&gt;srcpad)
</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-base-depayload-push"></a><h3>gst_rtp_base_depayload_push ()</h3>
<pre class="programlisting"><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstPad.html#GstFlowReturn"><span class="returnvalue">GstFlowReturn</span></a>       gst_rtp_base_depayload_push         (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstrtpbasedepayload.html#GstRTPBaseDepayload"><span class="type">GstRTPBaseDepayload</span></a> *filter</code></em>,
                                                         <em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *out_buf</code></em>);</pre>
<p>
Push <em class="parameter"><code>out_buf</code></em> to the peer of <em class="parameter"><code>filter</code></em>. This function takes ownership of
<em class="parameter"><code>out_buf</code></em>.
</p>
<p>
This function will by default apply the last incomming timestamp on
the outgoing buffer when it didn't have a timestamp already.
</p>
<div class="variablelist"><table border="0" class="variablelist">
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<col align="left" valign="top">
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</colgroup>
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<tr>
<td><p><span class="term"><em class="parameter"><code>filter</code></em> :</span></p></td>
<td>a <a class="link" href="gst-plugins-base-libs-gstrtpbasedepayload.html#GstRTPBaseDepayload"><span class="type">GstRTPBaseDepayload</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>out_buf</code></em> :</span></p></td>
<td>a <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstPad.html#GstFlowReturn"><span class="type">GstFlowReturn</span></a>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-rtp-base-depayload-push-list"></a><h3>gst_rtp_base_depayload_push_list ()</h3>
<pre class="programlisting"><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstPad.html#GstFlowReturn"><span class="returnvalue">GstFlowReturn</span></a>       gst_rtp_base_depayload_push_list    (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstrtpbasedepayload.html#GstRTPBaseDepayload"><span class="type">GstRTPBaseDepayload</span></a> *filter</code></em>,
                                                         <em class="parameter"><code><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a> *out_list</code></em>);</pre>
<p>
Push <em class="parameter"><code>out_list</code></em> to the peer of <em class="parameter"><code>filter</code></em>. This function takes ownership of
<em class="parameter"><code>out_list</code></em>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>filter</code></em> :</span></p></td>
<td>a <a class="link" href="gst-plugins-base-libs-gstrtpbasedepayload.html#GstRTPBaseDepayload"><span class="type">GstRTPBaseDepayload</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>out_list</code></em> :</span></p></td>
<td>a <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gstreamer-GstBufferList.html#GstBufferList"><span class="type">GstBufferList</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstPad.html#GstFlowReturn"><span class="type">GstFlowReturn</span></a>.</td>
</tr>
</tbody>
</table></div>
</div>
</div>
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