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<a name="gst-plugins-good-plugins-vertigotv"></a><div class="titlepage"></div>
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<td valign="top">
<h2><span class="refentrytitle"><a name="gst-plugins-good-plugins-vertigotv.top_of_page"></a>vertigotv</span></h2>
<p>vertigotv</p>
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<td class="gallery_image" valign="top" align="right"></td>
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<div class="refsect1">
<a name="gst-plugins-good-plugins-vertigotv.properties"></a><h2>Properties</h2>
<div class="informaltable"><table class="informaltable" border="0">
<colgroup>
<col width="150px" class="properties_type">
<col width="300px" class="properties_name">
<col width="200px" class="properties_flags">
</colgroup>
<tbody>
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<td class="property_type"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-vertigotv.html#GstVertigoTV--speed" title="The “speed” property">speed</a></td>
<td class="property_flags">Read / Write</td>
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<tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-vertigotv.html#GstVertigoTV--zoom-speed" title="The “zoom-speed” property">zoom-speed</a></td>
<td class="property_flags">Read / Write</td>
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</tbody>
</table></div>
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<a name="GstVertigoTV"></a><div class="refsect1">
<a name="gst-plugins-good-plugins-vertigotv.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">
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<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-good-plugins-vertigotv.html#GstVertigoTV-struct" title="struct GstVertigoTV">GstVertigoTV</a></td>
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</table></div>
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<div class="refsect1">
<a name="gst-plugins-good-plugins-vertigotv.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobjectgobject-The-Base-Object-Type.html#GObject-struct">GObject</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobjectgobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstObject.html#GstObject-struct">GstObject</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstElement.html#GstElement-struct">GstElement</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-libs-1.0GstBaseTransform.html#GstBaseTransform-struct">GstBaseTransform</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0gst-plugins-base-libs-gstvideofilter.html#GstVideoFilter-struct">GstVideoFilter</a>
<span class="lineart">╰──</span> GstVertigoTV
</pre>
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<div class="refsect1">
<a name="gst-plugins-good-plugins-vertigotv.description"></a><h2>Description</h2>
<p>VertigoTV is a loopback alpha blending effector with rotating and scaling.</p>
<div class="refsect2">
<a name="id-1.2.250.7.3"></a><h3>Example launch line</h3>
<div class="informalexample">
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<td class="listing_lines" align="right"><pre>1</pre></td>
<td class="listing_code"><pre class="programlisting">gst<span class="gtkdoc opt">-</span>launch<span class="gtkdoc opt">-</span><span class="number">1.0</span> <span class="gtkdoc opt">-</span>v videotestsrc <span class="gtkdoc opt">!</span> vertigotv <span class="gtkdoc opt">!</span> videoconvert <span class="gtkdoc opt">!</span> autovideosink</pre></td>
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This pipeline shows the effect of vertigotv on a test stream.
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<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="refsect2">
<a name="id-1.2.250.7.4.1"></a><h3>Element Information</h3>
<div class="variablelist"><table border="0" class="variablelist">
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<col align="left" valign="top">
<col>
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<td><p><span class="term">plugin</span></p></td>
<td>
<a class="link" href="gst-plugins-good-plugins-plugin-effectv.html#plugin-effectv">effectv</a>
</td>
</tr>
<tr>
<td><p><span class="term">author</span></p></td>
<td>Wim Taymans &lt;wim.taymans@gmail.be&gt;</td>
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<tr>
<td><p><span class="term">class</span></p></td>
<td>Filter/Effect/Video</td>
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</tbody>
</table></div>
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<hr>
<div class="refsect2">
<a name="id-1.2.250.7.4.2"></a><h3>Element Pads</h3>
<div class="variablelist"><table border="0" class="variablelist">
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<col align="left" valign="top">
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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>
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<tr>
<td><p><span class="term">details</span></p></td>
<td>video/x-raw, format=(string){ RGBx, BGRx }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
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</tbody>
</table></div>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
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<tbody>
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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){ RGBx, BGRx }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
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</tbody>
</table></div>
</div>
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<div class="refsect1">
<a name="gst-plugins-good-plugins-vertigotv.functions_details"></a><h2>Functions</h2>
<p></p>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-vertigotv.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstVertigoTV-struct"></a><h3>struct GstVertigoTV</h3>
<pre class="programlisting">struct GstVertigoTV;</pre>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-vertigotv.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstVertigoTV--speed"></a><h3>The <code class="literal">“speed”</code> property</h3>
<pre class="programlisting"> “speed” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a></pre>
<p>Control the speed of movement.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [0.01,100]</p>
<p>Default value: 0.02</p>
</div>
<hr>
<div class="refsect2">
<a name="GstVertigoTV--zoom-speed"></a><h3>The <code class="literal">“zoom-speed”</code> property</h3>
<pre class="programlisting"> “zoom-speed” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a></pre>
<p>Control the rate of zooming.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [1.01,1.1]</p>
<p>Default value: 1.01</p>
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