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<title>cvlaplace: GStreamer Bad Plugins 1.0 Plugins Reference Manual</title>
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<a name="gst-plugins-bad-plugins-cvlaplace"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="gst-plugins-bad-plugins-cvlaplace.top_of_page"></a>cvlaplace</span></h2>
<p>cvlaplace</p>
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<a name="gst-plugins-bad-plugins-cvlaplace.properties"></a><h2>Properties</h2>
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<td class="property_type"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-cvlaplace.html#GstCvLaplace--aperture-size" title="The “aperture-size” property">aperture-size</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-cvlaplace.html#GstCvLaplace--scale" title="The “scale” property">scale</a></td>
<td class="property_flags">Read / Write</td>
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<td class="property_type"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-cvlaplace.html#GstCvLaplace--shift" title="The “shift” property">shift</a></td>
<td class="property_flags">Read / Write</td>
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<td class="property_type"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-cvlaplace.html#GstCvLaplace--mask" title="The “mask” property">mask</a></td>
<td class="property_flags">Read / Write</td>
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<a name="gst-plugins-bad-plugins-cvlaplace.other"></a><h2>Types and Values</h2>
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<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-plugins-cvlaplace.html#GstCvLaplace" title="struct GstCvLaplace">GstCvLaplace</a></td>
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<div class="refsect1">
<a name="gst-plugins-bad-plugins-cvlaplace.description"></a><h2>Description</h2>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
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<a name="id-1.2.20.5.2.1"></a><h3>Element Information</h3>
<div class="variablelist"><table border="0" class="variablelist">
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<td><p><span class="term">plugin</span></p></td>
<td>
<a class="link" href="gst-plugins-bad-plugins-plugin-opencv.html#plugin-opencv">opencv</a>
</td>
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<tr>
<td><p><span class="term">author</span></p></td>
<td>Thiago Santos&lt;thiago.sousa.santos@collabora.co.uk&gt;</td>
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<tr>
<td><p><span class="term">class</span></p></td>
<td>Transform/Effect/Video</td>
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<div class="refsect2">
<a name="id-1.2.20.5.2.2"></a><h3>Element Pads</h3>
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<td><p><span class="term">name</span></p></td>
<td>sink</td>
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<td><p><span class="term">direction</span></p></td>
<td>sink</td>
</tr>
<tr>
<td><p><span class="term">presence</span></p></td>
<td>always</td>
</tr>
<tr>
<td><p><span class="term">details</span></p></td>
<td>video/x-raw, format=(string)RGB, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
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</tbody>
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<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
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<td><p><span class="term">name</span></p></td>
<td>src</td>
</tr>
<tr>
<td><p><span class="term">direction</span></p></td>
<td>source</td>
</tr>
<tr>
<td><p><span class="term">presence</span></p></td>
<td>always</td>
</tr>
<tr>
<td><p><span class="term">details</span></p></td>
<td>video/x-raw, format=(string)RGB, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
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</tbody>
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<div class="refsect1">
<a name="gst-plugins-bad-plugins-cvlaplace.functions_details"></a><h2>Functions</h2>
<p></p>
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<div class="refsect1">
<a name="gst-plugins-bad-plugins-cvlaplace.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstCvLaplace"></a><h3>struct GstCvLaplace</h3>
<pre class="programlisting">struct GstCvLaplace {
GstOpencvVideoFilter element;
gint aperture_size;
gdouble scale;
gdouble shift;
gboolean mask;
IplImage *intermediary_img;
IplImage *cvGray;
IplImage *Laplace;
IplImage *CLaplace;
};
</pre>
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</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-cvlaplace.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstCvLaplace--aperture-size"></a><h3>The <code class="literal">“aperture-size”</code> property</h3>
<pre class="programlisting"> “aperture-size” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>Size of the extended Laplace Kernel (1, 3, 5 or 7).</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [1,7]</p>
<p>Default value: 3</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCvLaplace--scale"></a><h3>The <code class="literal">“scale”</code> property</h3>
<pre class="programlisting"> “scale” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a></pre>
<p>Scale factor.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: &gt;= 0</p>
<p>Default value: 1</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCvLaplace--shift"></a><h3>The <code class="literal">“shift”</code> property</h3>
<pre class="programlisting"> “shift” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a></pre>
<p>Value added to the scaled source array elements.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: &gt;= 0</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCvLaplace--mask"></a><h3>The <code class="literal">“mask”</code> property</h3>
<pre class="programlisting"> “mask” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre>
<p>Sets whether the detected edges should be used as a mask on the original input or not.</p>
<p>Flags: Read / Write</p>
<p>Default value: TRUE</p>
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