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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<a href="#gst-plugins-base-libs-gstbasertpdepayload.synopsis" class="shortcut">Top</a>
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                  <a href="#gst-plugins-base-libs-gstbasertpdepayload.description" class="shortcut">Description</a>
                   | 
                  <a href="#gst-plugins-base-libs-gstbasertpdepayload.object-hierarchy" class="shortcut">Object Hierarchy</a>
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                  <a href="#gst-plugins-base-libs-gstbasertpdepayload.properties" class="shortcut">Properties</a>
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<div class="refentry">
<a name="gst-plugins-base-libs-gstbasertpdepayload"></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-gstbasertpdepayload.top_of_page"></a>gstbasertpdepayload</span></h2>
<p>gstbasertpdepayload — 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-gstbasertpdepayload.synopsis"></a><h2>Synopsis</h2>
<a name="GstBaseRTPDepayload"></a><pre class="synopsis">
#include &lt;gst/rtp/gstbasertpdepayload.h&gt;

struct              <a class="link" href="gst-plugins-base-libs-gstbasertpdepayload.html#GstBaseRTPDepayload-struct" title="struct GstBaseRTPDepayload">GstBaseRTPDepayload</a>;
struct              <a class="link" href="gst-plugins-base-libs-gstbasertpdepayload.html#GstBaseRTPDepayloadClass" title="struct GstBaseRTPDepayloadClass">GstBaseRTPDepayloadClass</a>;
#define             <a class="link" href="gst-plugins-base-libs-gstbasertpdepayload.html#GST-BASE-RTP-DEPAYLOAD-SINKPAD:CAPS" title="GST_BASE_RTP_DEPAYLOAD_SINKPAD()">GST_BASE_RTP_DEPAYLOAD_SINKPAD</a>      (depayload)
#define             <a class="link" href="gst-plugins-base-libs-gstbasertpdepayload.html#GST-BASE-RTP-DEPAYLOAD-SRCPAD:CAPS" title="GST_BASE_RTP_DEPAYLOAD_SRCPAD()">GST_BASE_RTP_DEPAYLOAD_SRCPAD</a>       (depayload)
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstPad.html#GstFlowReturn"><span class="returnvalue">GstFlowReturn</span></a>       <a class="link" href="gst-plugins-base-libs-gstbasertpdepayload.html#gst-base-rtp-depayload-push" title="gst_base_rtp_depayload_push ()">gst_base_rtp_depayload_push</a>         (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstbasertpdepayload.html#GstBaseRTPDepayload"><span class="type">GstBaseRTPDepayload</span></a> *filter</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *out_buf</code></em>);
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstPad.html#GstFlowReturn"><span class="returnvalue">GstFlowReturn</span></a>       <a class="link" href="gst-plugins-base-libs-gstbasertpdepayload.html#gst-base-rtp-depayload-push-ts" title="gst_base_rtp_depayload_push_ts ()">gst_base_rtp_depayload_push_ts</a>      (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstbasertpdepayload.html#GstBaseRTPDepayload"><span class="type">GstBaseRTPDepayload</span></a> *filter</code></em>,
                                                         <em class="parameter"><code><span class="type">guint32</span> timestamp</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/gstreamer-GstBuffer.html#GstBuffer"><span class="type">GstBuffer</span></a> *out_buf</code></em>);
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstPad.html#GstFlowReturn"><span class="returnvalue">GstFlowReturn</span></a>       <a class="link" href="gst-plugins-base-libs-gstbasertpdepayload.html#gst-base-rtp-depayload-push-list" title="gst_base_rtp_depayload_push_list ()">gst_base_rtp_depayload_push_list</a>    (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstbasertpdepayload.html#GstBaseRTPDepayload"><span class="type">GstBaseRTPDepayload</span></a> *filter</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/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-gstbasertpdepayload.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
  <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a>
   +----<a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstObject.html">GstObject</a>
         +----<a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstElement.html">GstElement</a>
               +----GstBaseRTPDepayload
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstbasertpdepayload.properties"></a><h2>Properties</h2>
<pre class="synopsis">
  "<a class="link" href="gst-plugins-base-libs-gstbasertpdepayload.html#GstBaseRTPDepayload--queue-delay" title='The "queue-delay" property'>queue-delay</a>"              <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a>                 : Read / Write
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstbasertpdepayload.description"></a><h2>Description</h2>
<p>
Provides a base class for RTP depayloaders
</p>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstbasertpdepayload.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GstBaseRTPDepayload-struct"></a><h3>struct GstBaseRTPDepayload</h3>
<pre class="programlisting">struct GstBaseRTPDepayload;</pre>
</div>
<hr>
<div class="refsect2">
<a name="GstBaseRTPDepayloadClass"></a><h3>struct GstBaseRTPDepayloadClass</h3>
<pre class="programlisting">struct GstBaseRTPDepayloadClass {
  GstElementClass parent_class;

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

  /* non-pure function, default implementation in base class
   * this does buffering, reordering and dropping, deprecated */
  GstFlowReturn (*add_to_queue) (GstBaseRTPDepayload *filter, GstBuffer *in);

  /* 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) (GstBaseRTPDepayload *base, GstBuffer *in);

  /* non-pure function used to convert from RTP timestamp to GST timestamp
   * this function is used by the child class before gst_pad_pushing */
  void (*set_gst_timestamp) (GstBaseRTPDepayload *filter, guint32 timestamp, GstBuffer *buf);

  /* 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) (GstBaseRTPDepayload *filter, GstEvent *event);

  /* the default implementation does the default actions for events but
   * implementation can override.
   * Since: 0.10.32   */
  gboolean (*handle_event) (GstBaseRTPDepayload * filter, GstEvent * event);
};
</pre>
<p>
Base class for audio RTP payloader.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstElement.html#GstElementClass"><span class="type">GstElementClass</span></a> <em class="structfield"><code><a name="GstBaseRTPDepayloadClass.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="GstBaseRTPDepayloadClass.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="GstBaseRTPDepayloadClass.add-to-queue"></a>add_to_queue</code></em> ()</span></p></td>
<td>(deprecated)</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="GstBaseRTPDepayloadClass.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="GstBaseRTPDepayloadClass.set-gst-timestamp"></a>set_gst_timestamp</code></em> ()</span></p></td>
<td>convert from RTP timestamp to GST timestamp</td>
</tr>
<tr>
<td><p><span class="term"><em class="structfield"><code><a name="GstBaseRTPDepayloadClass.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="GstBaseRTPDepayloadClass.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-BASE-RTP-DEPAYLOAD-SINKPAD:CAPS"></a><h3>GST_BASE_RTP_DEPAYLOAD_SINKPAD()</h3>
<pre class="programlisting">#define GST_BASE_RTP_DEPAYLOAD_SINKPAD(depayload) (GST_BASE_RTP_DEPAYLOAD (depayload)-&gt;sinkpad)
</pre>
</div>
<hr>
<div class="refsect2">
<a name="GST-BASE-RTP-DEPAYLOAD-SRCPAD:CAPS"></a><h3>GST_BASE_RTP_DEPAYLOAD_SRCPAD()</h3>
<pre class="programlisting">#define GST_BASE_RTP_DEPAYLOAD_SRCPAD(depayload)  (GST_BASE_RTP_DEPAYLOAD (depayload)-&gt;srcpad)
</pre>
</div>
<hr>
<div class="refsect2">
<a name="gst-base-rtp-depayload-push"></a><h3>gst_base_rtp_depayload_push ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstPad.html#GstFlowReturn"><span class="returnvalue">GstFlowReturn</span></a>       gst_base_rtp_depayload_push         (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstbasertpdepayload.html#GstBaseRTPDepayload"><span class="type">GstBaseRTPDepayload</span></a> *filter</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/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>
Unlike <a class="link" href="gst-plugins-base-libs-gstbasertpdepayload.html#gst-base-rtp-depayload-push-ts" title="gst_base_rtp_depayload_push_ts ()"><code class="function">gst_base_rtp_depayload_push_ts()</code></a>, this function will not apply
any timestamp on the outgoing buffer. Subclasses should therefore timestamp
outgoing buffers themselves.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<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-gstbasertpdepayload.html#GstBaseRTPDepayload"><span class="type">GstBaseRTPDepayload</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="/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"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstPad.html#GstFlowReturn"><span class="type">GstFlowReturn</span></a>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-base-rtp-depayload-push-ts"></a><h3>gst_base_rtp_depayload_push_ts ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstPad.html#GstFlowReturn"><span class="returnvalue">GstFlowReturn</span></a>       gst_base_rtp_depayload_push_ts      (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstbasertpdepayload.html#GstBaseRTPDepayload"><span class="type">GstBaseRTPDepayload</span></a> *filter</code></em>,
                                                         <em class="parameter"><code><span class="type">guint32</span> timestamp</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/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>
Unlike <a class="link" href="gst-plugins-base-libs-gstbasertpdepayload.html#gst-base-rtp-depayload-push" title="gst_base_rtp_depayload_push ()"><code class="function">gst_base_rtp_depayload_push()</code></a>, this function will by default apply
the last incomming timestamp on the outgoing buffer when it didn't have a
timestamp already. The set_get_timestamp vmethod can be overwritten to change
this behaviour (and take, for example, <em class="parameter"><code>timestamp</code></em> into account).
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<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-gstbasertpdepayload.html#GstBaseRTPDepayload"><span class="type">GstBaseRTPDepayload</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>timestamp</code></em> :</span></p></td>
<td>an RTP timestamp to apply</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>out_buf</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"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstPad.html#GstFlowReturn"><span class="type">GstFlowReturn</span></a>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-base-rtp-depayload-push-list"></a><h3>gst_base_rtp_depayload_push_list ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstPad.html#GstFlowReturn"><span class="returnvalue">GstFlowReturn</span></a>       gst_base_rtp_depayload_push_list    (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstbasertpdepayload.html#GstBaseRTPDepayload"><span class="type">GstBaseRTPDepayload</span></a> *filter</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-0.10/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">
<col align="left" valign="top">
<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-gstbasertpdepayload.html#GstBaseRTPDepayload"><span class="type">GstBaseRTPDepayload</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="/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"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a <a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstPad.html#GstFlowReturn"><span class="type">GstFlowReturn</span></a>.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 0.10.32</p>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-gstbasertpdepayload.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstBaseRTPDepayload--queue-delay"></a><h3>The <code class="literal">"queue-delay"</code> property</h3>
<pre class="programlisting">  "queue-delay"              <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a>                 : Read / Write</pre>
<p>Amount of ms to queue/buffer, deprecated.</p>
<p>Default value: 0</p>
</div>
</div>
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