1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2<html> 3<head> 4<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 5<title>gldifferencematte: GStreamer Base Plugins 1.0 Plugins Reference Manual</title> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="index.html" title="GStreamer Base Plugins 1.0 Plugins Reference Manual"> 8<link rel="up" href="ch01.html" title="gst-plugins-base Elements"> 9<link rel="prev" href="gst-plugins-base-plugins-gldeinterlace.html" title="gldeinterlace"> 10<link rel="next" href="gst-plugins-base-plugins-gldownload.html" title="gldownload"> 11<meta name="generator" content="GTK-Doc V1.28 (XML mode)"> 12<link rel="stylesheet" href="style.css" type="text/css"> 13</head> 14<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 15<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle"> 16<td width="100%" align="left" class="shortcuts"> 17<a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span> 18 <a href="#gst-plugins-base-plugins-gldifferencematte.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> 19 <a href="#gst-plugins-base-plugins-gldifferencematte.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_properties"> <span class="dim">|</span> 20 <a href="#gst-plugins-base-plugins-gldifferencematte.properties" class="shortcut">Properties</a></span> 21</td> 22<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> 23<td><a accesskey="u" href="ch01.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> 24<td><a accesskey="p" href="gst-plugins-base-plugins-gldeinterlace.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> 25<td><a accesskey="n" href="gst-plugins-base-plugins-gldownload.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> 26</tr></table> 27<div class="refentry"> 28<a name="gst-plugins-base-plugins-gldifferencematte"></a><div class="titlepage"></div> 29<div class="refnamediv"><table width="100%"><tr> 30<td valign="top"> 31<h2><span class="refentrytitle"><a name="gst-plugins-base-plugins-gldifferencematte.top_of_page"></a>gldifferencematte</span></h2> 32<p>gldifferencematte</p> 33</td> 34<td class="gallery_image" valign="top" align="right"></td> 35</tr></table></div> 36<div class="refsect1"> 37<a name="gst-plugins-base-plugins-gldifferencematte.properties"></a><h2>Properties</h2> 38<div class="informaltable"><table class="informaltable" border="0"> 39<colgroup> 40<col width="150px" class="properties_type"> 41<col width="300px" class="properties_name"> 42<col width="200px" class="properties_flags"> 43</colgroup> 44<tbody><tr> 45<td class="property_type"> 46<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</td> 47<td class="property_name"><a class="link" href="gst-plugins-base-plugins-gldifferencematte.html#GstGLDifferenceMatte--location" title="The “location” property">location</a></td> 48<td class="property_flags">Read / Write</td> 49</tr></tbody> 50</table></div> 51</div> 52<a name="GstGLDifferenceMatte"></a><div class="refsect1"> 53<a name="gst-plugins-base-plugins-gldifferencematte.other"></a><h2>Types and Values</h2> 54<div class="informaltable"><table class="informaltable" width="100%" border="0"> 55<colgroup> 56<col width="150px" class="name"> 57<col class="description"> 58</colgroup> 59<tbody><tr> 60<td class="datatype_keyword">struct</td> 61<td class="function_name"><a class="link" href="gst-plugins-base-plugins-gldifferencematte.html#GstGLDifferenceMatte-struct" title="struct GstGLDifferenceMatte">GstGLDifferenceMatte</a></td> 62</tr></tbody> 63</table></div> 64</div> 65<div class="refsect1"> 66<a name="gst-plugins-base-plugins-gldifferencematte.object-hierarchy"></a><h2>Object Hierarchy</h2> 67<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a> 68 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a> 69 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstObject.html#GstObject-struct">GstObject</a> 70 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html#GstElement-struct">GstElement</a> 71 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-libs-1.0/GstBaseTransform.html#GstBaseTransform-struct">GstBaseTransform</a> 72 <span class="lineart">╰──</span> <a href="../html/GstGLBaseFilter.html#GstGLBaseFilter-struct">GstGLBaseFilter</a> 73 <span class="lineart">╰──</span> <a href="../html/GstGLFilter.html#GstGLFilter-struct">GstGLFilter</a> 74 <span class="lineart">╰──</span> GstGLDifferenceMatte 75</pre> 76</div> 77<div class="refsect1"> 78<a name="gst-plugins-base-plugins-gldifferencematte.description"></a><h2>Description</h2> 79<div class="refsynopsisdiv"> 80<h2>Synopsis</h2> 81<div class="refsect2"> 82<a name="id-1.2.28.7.2.1"></a><h3>Element Information</h3> 83<div class="variablelist"><table border="0" class="variablelist"> 84<colgroup> 85<col align="left" valign="top"> 86<col> 87</colgroup> 88<tbody> 89<tr> 90<td><p><span class="term">plugin</span></p></td> 91<td> 92 <a class="link" href="gst-plugins-base-plugins-plugin-opengl.html#plugin-opengl">opengl</a> 93 </td> 94</tr> 95<tr> 96<td><p><span class="term">author</span></p></td> 97<td>Filippo Argiolas <filippo.argiolas@gmail.com></td> 98</tr> 99<tr> 100<td><p><span class="term">class</span></p></td> 101<td>Filter/Effect/Video</td> 102</tr> 103</tbody> 104</table></div> 105</div> 106<hr> 107<div class="refsect2"> 108<a name="id-1.2.28.7.2.2"></a><h3>Element Pads</h3> 109<div class="variablelist"><table border="0" class="variablelist"> 110<colgroup> 111<col align="left" valign="top"> 112<col> 113</colgroup> 114<tbody> 115<tr> 116<td><p><span class="term">name</span></p></td> 117<td>sink</td> 118</tr> 119<tr> 120<td><p><span class="term">direction</span></p></td> 121<td>sink</td> 122</tr> 123<tr> 124<td><p><span class="term">presence</span></p></td> 125<td>always</td> 126</tr> 127<tr> 128<td><p><span class="term">details</span></p></td> 129<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> 130</tr> 131<tr> 132<td><p><span class="term"></span></p></td> 133<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> 134</tr> 135</tbody> 136</table></div> 137<div class="variablelist"><table border="0" class="variablelist"> 138<colgroup> 139<col align="left" valign="top"> 140<col> 141</colgroup> 142<tbody> 143<tr> 144<td><p><span class="term">name</span></p></td> 145<td>src</td> 146</tr> 147<tr> 148<td><p><span class="term">direction</span></p></td> 149<td>source</td> 150</tr> 151<tr> 152<td><p><span class="term">presence</span></p></td> 153<td>always</td> 154</tr> 155<tr> 156<td><p><span class="term">details</span></p></td> 157<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> 158</tr> 159<tr> 160<td><p><span class="term"></span></p></td> 161<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> 162</tr> 163</tbody> 164</table></div> 165</div> 166</div> 167</div> 168<div class="refsect1"> 169<a name="gst-plugins-base-plugins-gldifferencematte.functions_details"></a><h2>Functions</h2> 170<p></p> 171</div> 172<div class="refsect1"> 173<a name="gst-plugins-base-plugins-gldifferencematte.other_details"></a><h2>Types and Values</h2> 174<div class="refsect2"> 175<a name="GstGLDifferenceMatte-struct"></a><h3>struct GstGLDifferenceMatte</h3> 176<pre class="programlisting">struct GstGLDifferenceMatte;</pre> 177</div> 178</div> 179<div class="refsect1"> 180<a name="gst-plugins-base-plugins-gldifferencematte.property-details"></a><h2>Property Details</h2> 181<div class="refsect2"> 182<a name="GstGLDifferenceMatte--location"></a><h3>The <code class="literal">“location”</code> property</h3> 183<pre class="programlisting"> “location” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</pre> 184<p>Background image location.</p> 185<p>Flags: Read / Write</p> 186<p>Default value: NULL</p> 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