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>glmosaic: 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-glmixerbin.html" title="glmixerbin"> 10<link rel="next" href="gst-plugins-base-plugins-gloverlay.html" title="gloverlay"> 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-glmosaic.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> 19 <a href="#gst-plugins-base-plugins-glmosaic.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_interfaces"> <span class="dim">|</span> 20 <a href="#gst-plugins-base-plugins-glmosaic.implemented-interfaces" class="shortcut">Implemented Interfaces</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-glmixerbin.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-gloverlay.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-glmosaic"></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-glmosaic.top_of_page"></a>glmosaic</span></h2> 32<p>glmosaic</p> 33</td> 34<td class="gallery_image" valign="top" align="right"></td> 35</tr></table></div> 36<a name="GstGLMosaic"></a><div class="refsect1"> 37<a name="gst-plugins-base-plugins-glmosaic.other"></a><h2>Types and Values</h2> 38<div class="informaltable"><table class="informaltable" width="100%" border="0"> 39<colgroup> 40<col width="150px" class="name"> 41<col class="description"> 42</colgroup> 43<tbody><tr> 44<td class="datatype_keyword">struct</td> 45<td class="function_name"><a class="link" href="gst-plugins-base-plugins-glmosaic.html#GstGLMosaic-struct" title="struct GstGLMosaic">GstGLMosaic</a></td> 46</tr></tbody> 47</table></div> 48</div> 49<div class="refsect1"> 50<a name="gst-plugins-base-plugins-glmosaic.object-hierarchy"></a><h2>Object Hierarchy</h2> 51<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a> 52 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a> 53 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstObject.html#GstObject-struct">GstObject</a> 54 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html#GstElement-struct">GstElement</a> 55 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-libs-1.0/GstAggregator.html#GstAggregator-struct">GstAggregator</a> 56 <span class="lineart">╰──</span> <a href="../html/GstVideoAggregator.html#GstVideoAggregator-struct">GstVideoAggregator</a> 57 <span class="lineart">╰──</span> GstGLBaseMixer 58 <span class="lineart">╰──</span> GstGLMixer 59 <span class="lineart">╰──</span> GstGLMosaic 60</pre> 61</div> 62<div class="refsect1"> 63<a name="gst-plugins-base-plugins-glmosaic.implemented-interfaces"></a><h2>Implemented Interfaces</h2> 64<p> 65GstGLMosaic implements 66 <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstChildProxy.html#GstChildProxy-struct">GstChildProxy</a>.</p> 67</div> 68<div class="refsect1"> 69<a name="gst-plugins-base-plugins-glmosaic.description"></a><h2>Description</h2> 70<p>glmixer sub element. N gl sink pads to 1 source pad. 71N + 1 OpenGL contexts shared together. 72N <= 6 because the rendering is more a like a cube than a mosaic 73Each opengl input stream is rendered on a cube face</p> 74<div class="refsect3"> 75<a name="id-1.2.57.7.3"></a><h4>Examples</h4> 76<div class="informalexample"> 77 <table class="listing_frame" border="0" cellpadding="0" cellspacing="0"> 78 <tbody> 79 <tr> 80 <td class="listing_lines" align="right"><pre>1 812 823 834 845 856</pre></td> 86 <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> video<span class="gtkdoc opt">/</span>x<span class="gtkdoc opt">-</span>raw<span class="gtkdoc opt">,</span> format<span class="gtkdoc opt">=</span>YUY2 <span class="gtkdoc opt">!</span> queue <span class="gtkdoc opt">!</span> glmosaic name<span class="gtkdoc opt">=</span>m <span class="gtkdoc opt">!</span> glimagesink \ 87 videotestsrc pattern<span class="gtkdoc opt">=</span><span class="number">12</span> <span class="gtkdoc opt">!</span> video<span class="gtkdoc opt">/</span>x<span class="gtkdoc opt">-</span>raw<span class="gtkdoc opt">,</span> format<span class="gtkdoc opt">=</span>I420<span class="gtkdoc opt">,</span> framerate<span class="gtkdoc opt">=</span><span class="number">5</span><span class="gtkdoc opt">/</span><span class="number">1</span><span class="gtkdoc opt">,</span> width<span class="gtkdoc opt">=</span><span class="number">100</span><span class="gtkdoc opt">,</span> height<span class="gtkdoc opt">=</span><span class="number">200</span> <span class="gtkdoc opt">!</span> queue <span class="gtkdoc opt">!</span> m<span class="gtkdoc opt">.</span> \ 88 videotestsrc <span class="gtkdoc opt">!</span> video<span class="gtkdoc opt">/</span>x<span class="gtkdoc opt">-</span>raw<span class="gtkdoc opt">,</span> framerate<span class="gtkdoc opt">=</span><span class="number">15</span><span class="gtkdoc opt">/</span><span class="number">1</span><span class="gtkdoc opt">,</span> width<span class="gtkdoc opt">=</span><span class="number">1500</span><span class="gtkdoc opt">,</span> height<span class="gtkdoc opt">=</span><span class="number">1500</span> <span class="gtkdoc opt">!</span> gleffects effect<span class="gtkdoc opt">=</span><span class="number">3</span> <span class="gtkdoc opt">!</span> queue <span class="gtkdoc opt">!</span> m<span class="gtkdoc opt">.</span> \ 89 videotestsrc <span class="gtkdoc opt">!</span> gleffects effect<span class="gtkdoc opt">=</span><span class="number">2</span> <span class="gtkdoc opt">!</span> queue <span class="gtkdoc opt">!</span> m<span class="gtkdoc opt">.</span> \ 90 videotestsrc <span class="gtkdoc opt">!</span> glfiltercube <span class="gtkdoc opt">!</span> queue <span class="gtkdoc opt">!</span> m<span class="gtkdoc opt">.</span> \ 91 videotestsrc <span class="gtkdoc opt">!</span> gleffects effect<span class="gtkdoc opt">=</span><span class="number">6</span> <span class="gtkdoc opt">!</span> queue <span class="gtkdoc opt">!</span> m<span class="gtkdoc opt">.</span></pre></td> 92 </tr> 93 </tbody> 94 </table> 95</div> 96 97<p> 98FBO (Frame Buffer Object) is required.</p> 99</div> 100<div class="refsynopsisdiv"> 101<h2>Synopsis</h2> 102<div class="refsect2"> 103<a name="id-1.2.57.7.4.1"></a><h3>Element Information</h3> 104<div class="variablelist"><table border="0" class="variablelist"> 105<colgroup> 106<col align="left" valign="top"> 107<col> 108</colgroup> 109<tbody> 110<tr> 111<td><p><span class="term">plugin</span></p></td> 112<td> 113 <a class="link" href="gst-plugins-base-plugins-plugin-opengl.html#plugin-opengl">opengl</a> 114 </td> 115</tr> 116<tr> 117<td><p><span class="term">author</span></p></td> 118<td>Julien Isorce <julien.isorce@gmail.com></td> 119</tr> 120<tr> 121<td><p><span class="term">class</span></p></td> 122<td>Filter/Effect/Video</td> 123</tr> 124</tbody> 125</table></div> 126</div> 127<hr> 128<div class="refsect2"> 129<a name="id-1.2.57.7.4.2"></a><h3>Element Pads</h3> 130<div class="variablelist"><table border="0" class="variablelist"> 131<colgroup> 132<col align="left" valign="top"> 133<col> 134</colgroup> 135<tbody> 136<tr> 137<td><p><span class="term">name</span></p></td> 138<td>sink_%u</td> 139</tr> 140<tr> 141<td><p><span class="term">direction</span></p></td> 142<td>sink</td> 143</tr> 144<tr> 145<td><p><span class="term">presence</span></p></td> 146<td>request</td> 147</tr> 148<tr> 149<td><p><span class="term">details</span></p></td> 150<td>video/x-raw(memory:GLMemory), format=(string)RGBA, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td> 151</tr> 152</tbody> 153</table></div> 154<div class="variablelist"><table border="0" class="variablelist"> 155<colgroup> 156<col align="left" valign="top"> 157<col> 158</colgroup> 159<tbody> 160<tr> 161<td><p><span class="term">name</span></p></td> 162<td>src</td> 163</tr> 164<tr> 165<td><p><span class="term">direction</span></p></td> 166<td>source</td> 167</tr> 168<tr> 169<td><p><span class="term">presence</span></p></td> 170<td>always</td> 171</tr> 172<tr> 173<td><p><span class="term">details</span></p></td> 174<td>video/x-raw(memory:GLMemory), format=(string)RGBA, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</td> 175</tr> 176</tbody> 177</table></div> 178</div> 179</div> 180</div> 181<div class="refsect1"> 182<a name="gst-plugins-base-plugins-glmosaic.functions_details"></a><h2>Functions</h2> 183<p></p> 184</div> 185<div class="refsect1"> 186<a name="gst-plugins-base-plugins-glmosaic.other_details"></a><h2>Types and Values</h2> 187<div class="refsect2"> 188<a name="GstGLMosaic-struct"></a><h3>struct GstGLMosaic</h3> 189<pre class="programlisting">struct GstGLMosaic;</pre> 190</div> 191</div> 192</div> 193<div class="footer"> 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