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|  | <title>alphacolor: GStreamer Good Plugins 1.0 Plugins Reference Manual</title> | 
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|  | <a href="#gst-plugins-good-plugins-alphacolor.object-hierarchy" class="shortcut">Object Hierarchy</a></span> | 
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|  | <div class="refentry"> | 
|  | <a name="gst-plugins-good-plugins-alphacolor"></a><div class="titlepage"></div> | 
|  | <div class="refnamediv"><table width="100%"><tr> | 
|  | <td valign="top"> | 
|  | <h2><span class="refentrytitle"><a name="gst-plugins-good-plugins-alphacolor.top_of_page"></a>alphacolor</span></h2> | 
|  | <p>alphacolor</p> | 
|  | </td> | 
|  | <td class="gallery_image" valign="top" align="right"></td> | 
|  | </tr></table></div> | 
|  | <a name="GstAlphaColor"></a><div class="refsect1"> | 
|  | <a name="gst-plugins-good-plugins-alphacolor.other"></a><h2>Types and Values</h2> | 
|  | <div class="informaltable"><table 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-good-plugins-alphacolor.html#GstAlphaColor-struct" title="struct GstAlphaColor">GstAlphaColor</a></td> | 
|  | </tr></tbody> | 
|  | </table></div> | 
|  | </div> | 
|  | <div class="refsect1"> | 
|  | <a name="gst-plugins-good-plugins-alphacolor.object-hierarchy"></a><h2>Object Hierarchy</h2> | 
|  | <pre class="screen">    <a href="https://developer.gnome.org/gobject/unstable/gobject-The-Base-Object-Type.html#GObject">GObject</a> | 
|  | <span class="lineart">╰──</span> <a href="https://developer.gnome.org/gobject/unstable/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a> | 
|  | <span class="lineart">╰──</span> <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstObject.html">GstObject</a> | 
|  | <span class="lineart">╰──</span> <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html">GstElement</a> | 
|  | <span class="lineart">╰──</span> <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer-libs/html/GstBaseTransform.html">GstBaseTransform</a> | 
|  | <span class="lineart">╰──</span> <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstvideofilter.html#GstVideoFilter">GstVideoFilter</a> | 
|  | <span class="lineart">╰──</span> GstAlphaColor | 
|  | </pre> | 
|  | </div> | 
|  | <div class="refsect1"> | 
|  | <a name="gst-plugins-good-plugins-alphacolor.description"></a><h2>Description</h2> | 
|  | <p>The alphacolor element does memory-efficient (in-place) colourspace | 
|  | conversion from RGBA to AYUV or AYUV to RGBA while preserving the | 
|  | alpha channel.</p> | 
|  | <p>Sample pipeline:</p> | 
|  | <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> videotestsrc <span class="gtkdoc opt">!</span> <span class="string">"video/x-raw,format=(fourcc)AYUV"</span> <span class="gtkdoc opt">!</span> \ | 
|  | alphacolor <span class="gtkdoc opt">!</span> videoconvert <span class="gtkdoc opt">!</span> autovideosink</pre></td> | 
|  | </tr> | 
|  | </tbody> | 
|  | </table> | 
|  | </div> | 
|  |  | 
|  | <p></p> | 
|  | <div class="refsynopsisdiv"> | 
|  | <h2>Synopsis</h2> | 
|  | <div class="refsect2"> | 
|  | <a name="id-1.2.9.6.6.1"></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-good-plugins-plugin-alphacolor.html#plugin-alphacolor">alphacolor</a> | 
|  | </td> | 
|  | </tr> | 
|  | <tr> | 
|  | <td><p><span class="term">author</span></p></td> | 
|  | <td>Wim Taymans <wim.taymans@gmail.com></td> | 
|  | </tr> | 
|  | <tr> | 
|  | <td><p><span class="term">class</span></p></td> | 
|  | <td>Filter/Converter/Video</td> | 
|  | </tr> | 
|  | </tbody> | 
|  | </table></div> | 
|  | </div> | 
|  | <hr> | 
|  | <div class="refsect2"> | 
|  | <a name="id-1.2.9.6.6.2"></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, format=(string){ RGBA, BGRA, ARGB, ABGR, AYUV }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</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, format=(string){ RGBA, BGRA, ARGB, ABGR, AYUV }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td> | 
|  | </tr> | 
|  | </tbody> | 
|  | </table></div> | 
|  | </div> | 
|  | </div> | 
|  | </div> | 
|  | <div class="refsect1"> | 
|  | <a name="gst-plugins-good-plugins-alphacolor.functions_details"></a><h2>Functions</h2> | 
|  | <p></p> | 
|  | </div> | 
|  | <div class="refsect1"> | 
|  | <a name="gst-plugins-good-plugins-alphacolor.other_details"></a><h2>Types and Values</h2> | 
|  | <div class="refsect2"> | 
|  | <a name="GstAlphaColor-struct"></a><h3>struct GstAlphaColor</h3> | 
|  | <pre class="programlisting">struct GstAlphaColor;</pre> | 
|  | </div> | 
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