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<a href="#CheeseEffect.synopsis" class="shortcut">Top</a>
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<a href="#CheeseEffect.description" class="shortcut">Description</a>
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<a href="#CheeseEffect.object-hierarchy" class="shortcut">Object Hierarchy</a>
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<a href="#CheeseEffect.properties" class="shortcut">Properties</a>
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<div class="refentry">
<a name="CheeseEffect"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="CheeseEffect.top_of_page"></a>CheeseEffect</span></h2>
<p>CheeseEffect — An effect to apply to a video capture stream</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="CheeseEffect.stability-level"></a><h2>Stability Level</h2>
Unstable, unless otherwise indicated
</div>
<div class="refsynopsisdiv">
<a name="CheeseEffect.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include <cheese/cheese-effect.h>
<a class="link" href="CheeseEffect.html#CheeseEffect-struct" title="CheeseEffect">CheeseEffect</a>;
<a class="link" href="CheeseEffect.html" title="CheeseEffect"><span class="returnvalue">CheeseEffect</span></a> * <a class="link" href="CheeseEffect.html#cheese-effect-new" title="cheese_effect_new ()">cheese_effect_new</a> (<em class="parameter"><code>const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code>const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *pipeline_desc</code></em>);
const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * <a class="link" href="CheeseEffect.html#cheese-effect-get-name" title="cheese_effect_get_name ()">cheese_effect_get_name</a> (<em class="parameter"><code><a class="link" href="CheeseEffect.html" title="CheeseEffect"><span class="type">CheeseEffect</span></a> *effect</code></em>);
const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * <a class="link" href="CheeseEffect.html#cheese-effect-get-pipeline-desc" title="cheese_effect_get_pipeline_desc ()">cheese_effect_get_pipeline_desc</a> (<em class="parameter"><code><a class="link" href="CheeseEffect.html" title="CheeseEffect"><span class="type">CheeseEffect</span></a> *effect</code></em>);
<span class="returnvalue">void</span> <a class="link" href="CheeseEffect.html#cheese-effect-enable-preview" title="cheese_effect_enable_preview ()">cheese_effect_enable_preview</a> (<em class="parameter"><code><a class="link" href="CheeseEffect.html" title="CheeseEffect"><span class="type">CheeseEffect</span></a> *effect</code></em>);
<span class="returnvalue">void</span> <a class="link" href="CheeseEffect.html#cheese-effect-disable-preview" title="cheese_effect_disable_preview ()">cheese_effect_disable_preview</a> (<em class="parameter"><code><a class="link" href="CheeseEffect.html" title="CheeseEffect"><span class="type">CheeseEffect</span></a> *effect</code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> <a class="link" href="CheeseEffect.html#cheese-effect-is-preview-connected" title="cheese_effect_is_preview_connected ()">cheese_effect_is_preview_connected</a> (<em class="parameter"><code><a class="link" href="CheeseEffect.html" title="CheeseEffect"><span class="type">CheeseEffect</span></a> *effect</code></em>);
<a href="http://library.gnome.org/devel/glib/unstable/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * <a class="link" href="CheeseEffect.html#cheese-effect-load-effects" title="cheese_effect_load_effects ()">cheese_effect_load_effects</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
<a class="link" href="CheeseEffect.html" title="CheeseEffect"><span class="returnvalue">CheeseEffect</span></a> * <a class="link" href="CheeseEffect.html#cheese-effect-load-from-file" title="cheese_effect_load_from_file ()">cheese_effect_load_from_file</a> (<em class="parameter"><code>const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *filename</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="CheeseEffect.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>
+----CheeseEffect
</pre>
</div>
<div class="refsect1">
<a name="CheeseEffect.properties"></a><h2>Properties</h2>
<pre class="synopsis">
"<a class="link" href="CheeseEffect.html#CheeseEffect--control-valve" title='The "control-valve" property'>control-valve</a>" <span class="type">GstElement</span>* : Read / Write
"<a class="link" href="CheeseEffect.html#CheeseEffect--name" title='The "name" property'>name</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a>* : Read / Write / Construct Only
"<a class="link" href="CheeseEffect.html#CheeseEffect--pipeline-desc" title='The "pipeline-desc" property'>pipeline-desc</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a>* : Read / Write / Construct Only
</pre>
</div>
<div class="refsect1">
<a name="CheeseEffect.description"></a><h2>Description</h2>
<p>
<a class="link" href="CheeseEffect.html" title="CheeseEffect"><span class="type">CheeseEffect</span></a> provides an abstraction of an effect to apply to a stream
from a video capture device.
</p>
</div>
<div class="refsect1">
<a name="CheeseEffect.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="CheeseEffect-struct"></a><h3>CheeseEffect</h3>
<pre class="programlisting">typedef struct _CheeseEffect CheeseEffect;</pre>
<p>
Use the accessor functions below.
</p>
</div>
<hr>
<div class="refsect2">
<a name="cheese-effect-new"></a><h3>cheese_effect_new ()</h3>
<pre class="programlisting"><a class="link" href="CheeseEffect.html" title="CheeseEffect"><span class="returnvalue">CheeseEffect</span></a> * cheese_effect_new (<em class="parameter"><code>const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>,
<em class="parameter"><code>const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *pipeline_desc</code></em>);</pre>
<p>
Create a new <a class="link" href="CheeseEffect.html" title="CheeseEffect"><span class="type">CheeseEffect</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
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<tr>
<td><p><span class="term"><em class="parameter"><code>name</code></em> :</span></p></td>
<td>name of the effect</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>pipeline_desc</code></em> :</span></p></td>
<td>GStreamer pipeline of the new effect</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a new <a class="link" href="CheeseEffect.html" title="CheeseEffect"><span class="type">CheeseEffect</span></a>. <span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="cheese-effect-get-name"></a><h3>cheese_effect_get_name ()</h3>
<pre class="programlisting">const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * cheese_effect_get_name (<em class="parameter"><code><a class="link" href="CheeseEffect.html" title="CheeseEffect"><span class="type">CheeseEffect</span></a> *effect</code></em>);</pre>
<p>
Get the human-readable name of the <em class="parameter"><code>effect</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>effect</code></em> :</span></p></td>
<td>a <a class="link" href="CheeseEffect.html" title="CheeseEffect"><span class="type">CheeseEffect</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the human-readable name of the effect. <span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="cheese-effect-get-pipeline-desc"></a><h3>cheese_effect_get_pipeline_desc ()</h3>
<pre class="programlisting">const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * cheese_effect_get_pipeline_desc (<em class="parameter"><code><a class="link" href="CheeseEffect.html" title="CheeseEffect"><span class="type">CheeseEffect</span></a> *effect</code></em>);</pre>
<p>
Get the Gstreamer pipeline description of the <em class="parameter"><code>effect</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>effect</code></em> :</span></p></td>
<td>a <a class="link" href="CheeseEffect.html" title="CheeseEffect"><span class="type">CheeseEffect</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the Gstreamer pipeline description of the effect. <span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="cheese-effect-enable-preview"></a><h3>cheese_effect_enable_preview ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> cheese_effect_enable_preview (<em class="parameter"><code><a class="link" href="CheeseEffect.html" title="CheeseEffect"><span class="type">CheeseEffect</span></a> *effect</code></em>);</pre>
<p>
Enable the preview of a <a class="link" href="CheeseEffect.html" title="CheeseEffect"><span class="type">CheeseEffect</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>effect</code></em> :</span></p></td>
<td>the <a class="link" href="CheeseEffect.html" title="CheeseEffect"><span class="type">CheeseEffect</span></a> to enable the preview of</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="cheese-effect-disable-preview"></a><h3>cheese_effect_disable_preview ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> cheese_effect_disable_preview (<em class="parameter"><code><a class="link" href="CheeseEffect.html" title="CheeseEffect"><span class="type">CheeseEffect</span></a> *effect</code></em>);</pre>
<p>
Disable the preview of a <a class="link" href="CheeseEffect.html" title="CheeseEffect"><span class="type">CheeseEffect</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>effect</code></em> :</span></p></td>
<td>the <a class="link" href="CheeseEffect.html" title="CheeseEffect"><span class="type">CheeseEffect</span></a> to disable the preview of</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="cheese-effect-is-preview-connected"></a><h3>cheese_effect_is_preview_connected ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> cheese_effect_is_preview_connected (<em class="parameter"><code><a class="link" href="CheeseEffect.html" title="CheeseEffect"><span class="type">CheeseEffect</span></a> *effect</code></em>);</pre>
<p>
Get whether the <em class="parameter"><code>effect</code></em> is connected to a video stream, for previews.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>effect</code></em> :</span></p></td>
<td>a <a class="link" href="CheeseEffect.html" title="CheeseEffect"><span class="type">CheeseEffect</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the preview is connected, <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="cheese-effect-load-effects"></a><h3>cheese_effect_load_effects ()</h3>
<pre class="programlisting"><a href="http://library.gnome.org/devel/glib/unstable/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * cheese_effect_load_effects (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Load effects from standard directories, including the user's data directory.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a list of
<a class="link" href="CheeseEffect.html" title="CheeseEffect"><span class="type">CheeseEffect</span></a>, or <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if no effects could be found. <span class="annotation">[<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> Cheese.Effect][<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span>
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="cheese-effect-load-from-file"></a><h3>cheese_effect_load_from_file ()</h3>
<pre class="programlisting"><a class="link" href="CheeseEffect.html" title="CheeseEffect"><span class="returnvalue">CheeseEffect</span></a> * cheese_effect_load_from_file (<em class="parameter"><code>const <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *filename</code></em>);</pre>
<p>
Load effect from file.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>filename</code></em> :</span></p></td>
<td>name of the file containing the effect
specification. <span class="annotation">[<acronym title="Override the parsed C type with given type."><span class="acronym">type</span></acronym> filename]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a <a class="link" href="CheeseEffect.html" title="CheeseEffect"><span class="type">CheeseEffect</span></a>, or <a href="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> on error. <span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span>
</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<div class="refsect1">
<a name="CheeseEffect.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="CheeseEffect--control-valve"></a><h3>The <code class="literal">"control-valve"</code> property</h3>
<pre class="programlisting"> "control-valve" <span class="type">GstElement</span>* : Read / Write</pre>
<p>
If the control valve is active, then the effect is currently connected to
a video stream, for previews.
</p>
</div>
<hr>
<div class="refsect2">
<a name="CheeseEffect--name"></a><h3>The <code class="literal">"name"</code> property</h3>
<pre class="programlisting"> "name" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a>* : Read / Write / Construct Only</pre>
<p>
Name of the effect, for display in a UI.
</p>
<p>Default value: ""</p>
</div>
<hr>
<div class="refsect2">
<a name="CheeseEffect--pipeline-desc"></a><h3>The <code class="literal">"pipeline-desc"</code> property</h3>
<pre class="programlisting"> "pipeline-desc" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a>* : Read / Write / Construct Only</pre>
<p>
Description of the GStreamer pipeline associated with the effect.
</p>
<p>Default value: ""</p>
</div>
</div>
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