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<a href="#GnlOperation.signals" class="shortcut">Signals</a>
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<h2><span class="refentrytitle"><a name="GnlOperation.top_of_page"></a>GnlOperation</span></h2>
<p>GnlOperation — Encapsulates filters/effects for use with GnlObjects</p>
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<div class="refsynopsisdiv" title="Synopsis">
<a name="GnlOperation.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis"> <a class="link" href="GnlOperation.html#GnlOperation-struct" title="GnlOperation">GnlOperation</a>;
</pre>
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<div class="refsect1" title="Object Hierarchy">
<a name="GnlOperation.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
GObject
+----GstObject
+----GstElement
+----GstBin
+----<a class="link" href="GnlObject.html" title="GnlObject">GnlObject</a>
+----GnlOperation
</pre>
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<div class="refsect1" title="Implemented Interfaces">
<a name="GnlOperation.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
GnlOperation implements
GstChildProxy.</p>
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<div class="refsect1" title="Properties">
<a name="GnlOperation.properties"></a><h2>Properties</h2>
<pre class="synopsis">
"<a class="link" href="GnlOperation.html#GnlOperation--sinks" title='The "sinks" property'>sinks</a>" <span class="type">gint</span> : Read / Write
</pre>
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<div class="refsect1" title="Signals">
<a name="GnlOperation.signals"></a><h2>Signals</h2>
<pre class="synopsis">
"<a class="link" href="GnlOperation.html#GnlOperation-input-priority-changed" title='The "input-priority-changed" signal'>input-priority-changed</a>" : Run Last
</pre>
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<div class="refsect1" title="Description">
<a name="GnlOperation.description"></a><h2>Description</h2>
<div class="refsect2">
<a name="id557230"></a><p>
A GnlOperation performs a transformation or mixing operation on the
data from one or more <a href="../gnonlin-0.10/GnlSource.html"><span class="type">GnlSources</span></a>, which is used to implement filters or
effects.
</p>
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<div class="refsect1" title="Details">
<a name="GnlOperation.details"></a><h2>Details</h2>
<div class="refsect2" title="GnlOperation">
<a name="GnlOperation-struct"></a><h3>GnlOperation</h3>
<pre class="programlisting">typedef struct _GnlOperation GnlOperation;</pre>
<p>
</p>
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<div class="refsect1" title="Property Details">
<a name="GnlOperation.property-details"></a><h2>Property Details</h2>
<div class="refsect2" title='The "sinks" property'>
<a name="GnlOperation--sinks"></a><h3>The <code class="literal">"sinks"</code> property</h3>
<pre class="programlisting"> "sinks" <span class="type">gint</span> : Read / Write</pre>
<p>
Specifies the number of sink pads the operation should provide.
If the sinks property is -1 (the default) pads are only created as
demanded via <code class="function">get_request_pad()</code> calls on the element.
</p>
<p>Allowed values: >= G_MAXULONG</p>
<p>Default value: -1</p>
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<div class="refsect1" title="Signal Details">
<a name="GnlOperation.signal-details"></a><h2>Signal Details</h2>
<div class="refsect2" title='The "input-priority-changed" signal'>
<a name="GnlOperation-input-priority-changed"></a><h3>The <code class="literal">"input-priority-changed"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span> user_function (<a class="link" href="GnlOperation.html" title="GnlOperation"><span class="type">GnlOperation</span></a> *gnloperation,
<span class="type">GstPad</span> *arg1,
<span class="type">guint</span> arg2,
<span class="type">gpointer</span> user_data) : Run Last</pre>
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<td><p><span class="term"><em class="parameter"><code>gnloperation</code></em> :</span></p></td>
<td>the object which received the signal.
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<td><p><span class="term"><em class="parameter"><code>arg1</code></em> :</span></p></td>
<td>
</td>
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<td><p><span class="term"><em class="parameter"><code>arg2</code></em> :</span></p></td>
<td>
</td>
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<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>
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