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<a name="gst-plugins-bad-plugins-glcolorscale"></a><div class="titlepage"></div>
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<td valign="top">
<h2><span class="refentrytitle"><a name="gst-plugins-bad-plugins-glcolorscale.top_of_page"></a>glcolorscale</span></h2>
<p>glcolorscale</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<a name="GstGLColorscale"></a><div class="refsect1">
<a name="gst-plugins-bad-plugins-glcolorscale.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-plugins-glcolorscale.html#GstGLColorscale-struct" title="struct GstGLColorscale">GstGLColorscale</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glcolorscale.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-bad-libs-1.0GstGLBaseFilter.html#GstGLBaseFilter-struct">GstGLBaseFilter</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gst-plugins-bad-libs-1.0GstGLFilter.html#GstGLFilter-struct">GstGLFilter</a>
<span class="lineart">╰──</span> GstGLColorscale
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glcolorscale.description"></a><h2>Description</h2>
<p>video frame scaling and colorspace conversion.</p>
<div class="refsect2">
<a name="id-1.2.44.6.3"></a><h3>Scaling and Color space conversion</h3>
<p>
Equivalent to glupload ! gldownload.
</p>
</div>
<hr>
<div class="refsect2">
<a name="id-1.2.44.6.4"></a><h3>Examples</h3>
<div class="informalexample">
<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<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> video<span class="gtkdoc opt">/</span>x<span class="gtkdoc opt">-</span>raw <span class="gtkdoc opt">!</span> glcolorscale <span class="gtkdoc opt">!</span> ximagesink</pre></td>
</tr>
</tbody>
</table>
</div>
A pipeline to test colorspace conversion.
FBO is required.
<div class="informalexample">
<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td class="listing_lines" align="right"><pre>1
2</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> video<span class="gtkdoc opt">/</span>x<span class="gtkdoc opt">-</span>raw<span class="gtkdoc opt">,</span> width<span class="gtkdoc opt">=</span><span class="number">640</span><span class="gtkdoc opt">,</span> height<span class="gtkdoc opt">=</span><span class="number">480</span><span class="gtkdoc opt">,</span> format<span class="gtkdoc opt">=</span>AYUV <span class="gtkdoc opt">!</span> glcolorscale <span class="gtkdoc opt">!</span> \
video<span class="gtkdoc opt">/</span>x<span class="gtkdoc opt">-</span>raw<span class="gtkdoc opt">,</span> width<span class="gtkdoc opt">=</span><span class="number">320</span><span class="gtkdoc opt">,</span> height<span class="gtkdoc opt">=</span><span class="number">240</span><span class="gtkdoc opt">,</span> format<span class="gtkdoc opt">=</span>YV12 <span class="gtkdoc opt">!</span> videoconvert <span class="gtkdoc opt">!</span> autovideosink</pre></td>
</tr>
</tbody>
</table>
</div>
A pipeline to test hardware scaling and colorspace conversion.
FBO and GLSL are required.
</div>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="refsect2">
<a name="id-1.2.44.6.5.1"></a><h3>Element Information</h3>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">plugin</span></p></td>
<td>
<a class="link" href="gst-plugins-bad-plugins-plugin-opengl.html#plugin-opengl">opengl</a>
</td>
</tr>
<tr>
<td><p><span class="term">author</span></p></td>
<td>Julien Isorce &lt;julien.isorce@gmail.com&gt;
Matthew Waters &lt;matthew@centricular.com&gt;</td>
</tr>
<tr>
<td><p><span class="term">class</span></p></td>
<td>Filter/Effect/Video</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="id-1.2.44.6.5.2"></a><h3>Element Pads</h3>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">name</span></p></td>
<td>sink</td>
</tr>
<tr>
<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(ANY), format=(string)RGBA, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ], texture-target=(string)2D</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw(memory:GLMemory), format=(string)RGBA, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ], texture-target=(string)2D</td>
</tr>
</tbody>
</table></div>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<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(memory:GLMemory), format=(string)RGBA, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ], texture-target=(string)2D</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw(ANY), format=(string)RGBA, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ], texture-target=(string)2D</td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glcolorscale.functions_details"></a><h2>Functions</h2>
<p></p>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glcolorscale.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstGLColorscale-struct"></a><h3>struct GstGLColorscale</h3>
<pre class="programlisting">struct GstGLColorscale;</pre>
</div>
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