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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>GstAggregatorPad: GStreamer Bad Plugins 1.0 Library Reference Manual</title>
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle">
<td width="100%" align="left" class="shortcuts">
<a href="#" class="shortcut">Top</a><span id="nav_description">  <span class="dim">|</span> 
                  <a href="#gst-plugins-bad-libs-GstAggregatorPad.description" class="shortcut">Description</a></span>
</td>
<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td>
<td><a accesskey="u" href="base.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td>
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<td><a accesskey="n" href="video.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td>
</tr></table>
<div class="refentry">
<a name="gst-plugins-bad-libs-GstAggregatorPad"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="gst-plugins-bad-libs-GstAggregatorPad.top_of_page"></a>GstAggregatorPad</span></h2>
<p>GstAggregatorPad</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="gst-plugins-bad-libs-GstAggregatorPad.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstBuffer.html#GstBuffer-struct"><span class="returnvalue">GstBuffer</span></a> *
</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-GstAggregatorPad.html#gst-aggregator-pad-steal-buffer" title="gst_aggregator_pad_steal_buffer ()">gst_aggregator_pad_steal_buffer</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstBuffer.html#GstBuffer-struct"><span class="returnvalue">GstBuffer</span></a> *
</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-GstAggregatorPad.html#gst-aggregator-pad-get-buffer" title="gst_aggregator_pad_get_buffer ()">gst_aggregator_pad_get_buffer</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-GstAggregatorPad.html#gst-aggregator-pad-drop-buffer" title="gst_aggregator_pad_drop_buffer ()">gst_aggregator_pad_drop_buffer</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-bad-libs-GstAggregatorPad.html#gst-aggregator-pad-is-eos" title="gst_aggregator_pad_is_eos ()">gst_aggregator_pad_is_eos</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-libs-GstAggregatorPad.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-GstAggregatorPad.html#GstAggregatorPad" title="struct GstAggregatorPad">GstAggregatorPad</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-libs-GstAggregatorPad.html#GstAggregatorPadClass" title="struct GstAggregatorPadClass">GstAggregatorPadClass</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-libs-GstAggregatorPad.description"></a><h2>Description</h2>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-libs-GstAggregatorPad.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="gst-aggregator-pad-steal-buffer"></a><h3>gst_aggregator_pad_steal_buffer ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstBuffer.html#GstBuffer-struct"><span class="returnvalue">GstBuffer</span></a> *
gst_aggregator_pad_steal_buffer (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-GstAggregatorPad.html#GstAggregatorPad" title="struct GstAggregatorPad"><span class="type">GstAggregatorPad</span></a> *pad</code></em>);</pre>
<p>Steal the ref to the buffer currently queued in <em class="parameter"><code>pad</code></em>
.</p>
<div class="refsect3">
<a name="gst-aggregator-pad-steal-buffer.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pad</p></td>
<td class="parameter_description"><p>the pad to get buffer from</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-aggregator-pad-steal-buffer.returns"></a><h4>Returns</h4>
<p> The buffer in <em class="parameter"><code>pad</code></em>
or NULL if no buffer was
queued. You should unref the buffer after usage. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-aggregator-pad-get-buffer"></a><h3>gst_aggregator_pad_get_buffer ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstBuffer.html#GstBuffer-struct"><span class="returnvalue">GstBuffer</span></a> *
gst_aggregator_pad_get_buffer (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-GstAggregatorPad.html#GstAggregatorPad" title="struct GstAggregatorPad"><span class="type">GstAggregatorPad</span></a> *pad</code></em>);</pre>
<div class="refsect3">
<a name="gst-aggregator-pad-get-buffer.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pad</p></td>
<td class="parameter_description"><p>the pad to get buffer from</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-aggregator-pad-get-buffer.returns"></a><h4>Returns</h4>
<p> A reference to the buffer in <em class="parameter"><code>pad</code></em>
or
NULL if no buffer was queued. You should unref the buffer after
usage. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-aggregator-pad-drop-buffer"></a><h3>gst_aggregator_pad_drop_buffer ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gst_aggregator_pad_drop_buffer (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-GstAggregatorPad.html#GstAggregatorPad" title="struct GstAggregatorPad"><span class="type">GstAggregatorPad</span></a> *pad</code></em>);</pre>
<p>Drop the buffer currently queued in <em class="parameter"><code>pad</code></em>
.</p>
<div class="refsect3">
<a name="gst-aggregator-pad-drop-buffer.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>pad</p></td>
<td class="parameter_description"><p>the pad where to drop any pending buffer</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-aggregator-pad-drop-buffer.returns"></a><h4>Returns</h4>
<p> TRUE if there was a buffer queued in <em class="parameter"><code>pad</code></em>
, or FALSE if not.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-aggregator-pad-is-eos"></a><h3>gst_aggregator_pad_is_eos ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gst_aggregator_pad_is_eos (<em class="parameter"><code><a class="link" href="gst-plugins-bad-libs-GstAggregatorPad.html#GstAggregatorPad" title="struct GstAggregatorPad"><span class="type">GstAggregatorPad</span></a> *pad</code></em>);</pre>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-libs-GstAggregatorPad.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstAggregatorPad"></a><h3>struct GstAggregatorPad</h3>
<pre class="programlisting">struct GstAggregatorPad {
  GstPad                       parent;

  /* Protected by the OBJECT_LOCK */
  GstSegment segment;
  /* Segment to use in the clip function, before the queue */
  GstSegment clip_segment;

  /* &lt; Private &gt; */
  GstAggregatorPadPrivate   *  priv;

  gpointer _gst_reserved[GST_PADDING];
};
</pre>
<p>The implementation the GstPad to use with <a class="link" href="gst-plugins-bad-libs-GstAggregator.html#GstAggregator" title="struct GstAggregator"><span class="type">GstAggregator</span></a></p>
<div class="refsect3">
<a name="GstAggregatorPad.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstPad.html#GstPad-struct"><span class="type">GstPad</span></a> <em class="structfield"><code><a name="GstAggregatorPad.parent"></a>parent</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstSegment.html#GstSegment-struct"><span class="type">GstSegment</span></a> <em class="structfield"><code><a name="GstAggregatorPad.segment"></a>segment</code></em>;</p></td>
<td class="struct_member_description"><p>last segment received.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstSegment.html#GstSegment-struct"><span class="type">GstSegment</span></a> <em class="structfield"><code><a name="GstAggregatorPad.clip-segment"></a>clip_segment</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><span class="type">GstAggregatorPadPrivate</span> *<em class="structfield"><code><a name="GstAggregatorPad.priv"></a>priv</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> <em class="structfield"><code><a name="GstAggregatorPad.-gst-reserved"></a>_gst_reserved</code></em>[GST_PADDING];</p></td>
<td> </td>
<td> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GstAggregatorPadClass"></a><h3>struct GstAggregatorPadClass</h3>
<pre class="programlisting">struct GstAggregatorPadClass {
  GstPadClass   parent_class;

  GstFlowReturn (*flush)     (GstAggregatorPad * aggpad, GstAggregator * aggregator);
};
</pre>
<div class="refsect3">
<a name="GstAggregatorPadClass.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody><tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GstAggregatorPadClass.flush"></a>flush</code></em> ()</p></td>
<td class="struct_member_description"><p>Optional
Called when the pad has received a flush stop, this is the place
to flush any information specific to the pad, it allows for individual
pads to be flushed while others might not be.</p></td>
<td class="struct_member_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
</div>
</div>
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