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>glviewconvert: 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-glvideomixer.html" title="glvideomixer"> 10<link rel="next" href="gst-plugins-base-plugins-multifdsink.html" title="multifdsink"> 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 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href="gst-plugins-base-plugins-multifdsink.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-glviewconvert"></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-glviewconvert.top_of_page"></a>glviewconvert</span></h2> 32<p>glviewconvert</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-glviewconvert.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> 45<tr> 46<td class="property_type"><a href="../html/GstGLViewConvert.html#GstGLStereoDownmix"><span class="type">GstGLStereoDownmix</span></a></td> 47<td class="property_name"><a class="link" href="gst-plugins-base-plugins-glviewconvert.html#GstGLViewConvertElement--downmix-mode" title="The “downmix-mode” property">downmix-mode</a></td> 48<td class="property_flags">Read / Write</td> 49</tr> 50<tr> 51<td class="property_type"><a href="../html/gst-plugins-base-libs-GstVideo.html#GstVideoMultiviewFlags"><span class="type">GstVideoMultiviewFlags</span></a></td> 52<td class="property_name"><a class="link" href="gst-plugins-base-plugins-glviewconvert.html#GstGLViewConvertElement--input-flags-override" title="The “input-flags-override” property">input-flags-override</a></td> 53<td class="property_flags">Read / Write</td> 54</tr> 55<tr> 56<td class="property_type"><a href="../html/gst-plugins-base-libs-GstVideo.html#GstVideoMultiviewFramePacking"><span class="type">GstVideoMultiviewFramePacking</span></a></td> 57<td class="property_name"><a class="link" href="gst-plugins-base-plugins-glviewconvert.html#GstGLViewConvertElement--input-mode-override" title="The “input-mode-override” property">input-mode-override</a></td> 58<td class="property_flags">Read / Write</td> 59</tr> 60<tr> 61<td class="property_type"><a href="../html/gst-plugins-base-libs-GstVideo.html#GstVideoMultiviewFlags"><span class="type">GstVideoMultiviewFlags</span></a></td> 62<td class="property_name"><a class="link" href="gst-plugins-base-plugins-glviewconvert.html#GstGLViewConvertElement--output-flags-override" title="The “output-flags-override” property">output-flags-override</a></td> 63<td class="property_flags">Read / Write</td> 64</tr> 65<tr> 66<td class="property_type"><a href="../html/gst-plugins-base-libs-GstVideo.html#GstVideoMultiviewMode"><span class="type">GstVideoMultiviewMode</span></a></td> 67<td class="property_name"><a class="link" href="gst-plugins-base-plugins-glviewconvert.html#GstGLViewConvertElement--output-mode-override" title="The “output-mode-override” property">output-mode-override</a></td> 68<td class="property_flags">Read / Write</td> 69</tr> 70</tbody> 71</table></div> 72</div> 73<a name="GstGLViewConvertElement"></a><div class="refsect1"> 74<a name="gst-plugins-base-plugins-glviewconvert.other"></a><h2>Types and Values</h2> 75<div class="informaltable"><table class="informaltable" width="100%" border="0"> 76<colgroup> 77<col width="150px" class="name"> 78<col class="description"> 79</colgroup> 80<tbody><tr> 81<td class="datatype_keyword">struct</td> 82<td class="function_name"><a class="link" href="gst-plugins-base-plugins-glviewconvert.html#GstGLViewConvertElement-struct" title="struct GstGLViewConvertElement">GstGLViewConvertElement</a></td> 83</tr></tbody> 84</table></div> 85</div> 86<div class="refsect1"> 87<a name="gst-plugins-base-plugins-glviewconvert.object-hierarchy"></a><h2>Object Hierarchy</h2> 88<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a> 89 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a> 90 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstObject.html#GstObject-struct">GstObject</a> 91 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html#GstElement-struct">GstElement</a> 92 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-libs-1.0/GstBaseTransform.html#GstBaseTransform-struct">GstBaseTransform</a> 93 <span class="lineart">╰──</span> <a href="../html/GstGLBaseFilter.html#GstGLBaseFilter-struct">GstGLBaseFilter</a> 94 <span class="lineart">╰──</span> <a href="../html/GstGLFilter.html#GstGLFilter-struct">GstGLFilter</a> 95 <span class="lineart">╰──</span> GstGLViewConvertElement 96</pre> 97</div> 98<div class="refsect1"> 99<a name="gst-plugins-base-plugins-glviewconvert.description"></a><h2>Description</h2> 100<p>Convert stereoscopic video between different representations using fragment shaders.</p> 101<p>The element can use either property settings or caps negotiation to choose the 102input and output formats to process.</p> 103<div class="refsect3"> 104<a name="id-1.2.69.7.4"></a><h4>Examples</h4> 105<div class="informalexample"> 106 <table class="listing_frame" border="0" cellpadding="0" cellspacing="0"> 107 <tbody> 108 <tr> 109 <td class="listing_lines" align="right"><pre>1</pre></td> 110 <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> glupload <span class="gtkdoc opt">!</span> glviewconvert <span class="gtkdoc opt">!</span> glimagesink</pre></td> 111 </tr> 112 </tbody> 113 </table> 114</div> 115 116<p> Simple placebo example demonstrating identity passthrough of mono video</p> 117<div class="informalexample"> 118 <table class="listing_frame" border="0" cellpadding="0" cellspacing="0"> 119 <tbody> 120 <tr> 121 <td class="listing_lines" align="right"><pre>1 1222</pre></td> 123 <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 pattern<span class="gtkdoc opt">=</span>checkers<span class="gtkdoc opt">-</span><span class="number">1</span> <span class="gtkdoc opt">!</span> glupload <span class="gtkdoc opt">!</span> \ 124 glviewconvert input<span class="gtkdoc opt">-</span>mode<span class="gtkdoc opt">-</span>override<span class="gtkdoc opt">=</span>side<span class="gtkdoc opt">-</span>by<span class="gtkdoc opt">-</span>side <span class="gtkdoc opt">!</span> glimagesink <span class="gtkdoc opt">-</span>v</pre></td> 125 </tr> 126 </tbody> 127 </table> 128</div> 129 130<p> Force re-interpretation of the input checkers pattern as a side-by-side stereoscopic 131 image and display in glimagesink. 132FBO (Frame Buffer Object) and GLSL (OpenGL Shading Language) are required.</p> 133</div> 134<div class="refsynopsisdiv"> 135<h2>Synopsis</h2> 136<div class="refsect2"> 137<a name="id-1.2.69.7.5.1"></a><h3>Element Information</h3> 138<div class="variablelist"><table border="0" class="variablelist"> 139<colgroup> 140<col align="left" valign="top"> 141<col> 142</colgroup> 143<tbody> 144<tr> 145<td><p><span class="term">plugin</span></p></td> 146<td> 147 <a class="link" href="gst-plugins-base-plugins-plugin-opengl.html#plugin-opengl">opengl</a> 148 </td> 149</tr> 150<tr> 151<td><p><span class="term">author</span></p></td> 152<td>Jan Schmidt <jan@centricular.com> 153Matthew Waters <matthew@centricular.com></td> 154</tr> 155<tr> 156<td><p><span class="term">class</span></p></td> 157<td>Filter</td> 158</tr> 159</tbody> 160</table></div> 161</div> 162<hr> 163<div class="refsect2"> 164<a name="id-1.2.69.7.5.2"></a><h3>Element Pads</h3> 165<div class="variablelist"><table border="0" class="variablelist"> 166<colgroup> 167<col align="left" valign="top"> 168<col> 169</colgroup> 170<tbody> 171<tr> 172<td><p><span class="term">name</span></p></td> 173<td>sink</td> 174</tr> 175<tr> 176<td><p><span class="term">direction</span></p></td> 177<td>sink</td> 178</tr> 179<tr> 180<td><p><span class="term">presence</span></p></td> 181<td>always</td> 182</tr> 183<tr> 184<td><p><span class="term">details</span></p></td> 185<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> 186</tr> 187<tr> 188<td><p><span class="term"></span></p></td> 189<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> 190</tr> 191</tbody> 192</table></div> 193<div class="variablelist"><table border="0" class="variablelist"> 194<colgroup> 195<col align="left" valign="top"> 196<col> 197</colgroup> 198<tbody> 199<tr> 200<td><p><span class="term">name</span></p></td> 201<td>src</td> 202</tr> 203<tr> 204<td><p><span class="term">direction</span></p></td> 205<td>source</td> 206</tr> 207<tr> 208<td><p><span class="term">presence</span></p></td> 209<td>always</td> 210</tr> 211<tr> 212<td><p><span class="term">details</span></p></td> 213<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> 214</tr> 215<tr> 216<td><p><span class="term"></span></p></td> 217<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> 218</tr> 219</tbody> 220</table></div> 221</div> 222</div> 223</div> 224<div class="refsect1"> 225<a name="gst-plugins-base-plugins-glviewconvert.functions_details"></a><h2>Functions</h2> 226<p></p> 227</div> 228<div class="refsect1"> 229<a name="gst-plugins-base-plugins-glviewconvert.other_details"></a><h2>Types and Values</h2> 230<div class="refsect2"> 231<a name="GstGLViewConvertElement-struct"></a><h3>struct GstGLViewConvertElement</h3> 232<pre class="programlisting">struct GstGLViewConvertElement;</pre> 233</div> 234</div> 235<div class="refsect1"> 236<a name="gst-plugins-base-plugins-glviewconvert.property-details"></a><h2>Property Details</h2> 237<div class="refsect2"> 238<a name="GstGLViewConvertElement--downmix-mode"></a><h3>The <code class="literal">“downmix-mode”</code> property</h3> 239<pre class="programlisting"> “downmix-mode” <a href="../html/GstGLViewConvert.html#GstGLStereoDownmix"><span class="type">GstGLStereoDownmix</span></a></pre> 240<p>Output anaglyph type to generate when downmixing to mono.</p> 241<p>Flags: Read / Write</p> 242<p>Default value: GST_GL_STEREO_DOWNMIX_ANAGLYPH_GREEN_MAGENTA_DUBOIS</p> 243</div> 244<hr> 245<div class="refsect2"> 246<a name="GstGLViewConvertElement--input-flags-override"></a><h3>The <code class="literal">“input-flags-override”</code> property</h3> 247<pre class="programlisting"> “input-flags-override” <a href="../html/gst-plugins-base-libs-GstVideo.html#GstVideoMultiviewFlags"><span class="type">GstVideoMultiviewFlags</span></a></pre> 248<p>Override any input information about multiview layout flags.</p> 249<p>Flags: Read / Write</p> 250</div> 251<hr> 252<div class="refsect2"> 253<a name="GstGLViewConvertElement--input-mode-override"></a><h3>The <code class="literal">“input-mode-override”</code> property</h3> 254<pre class="programlisting"> “input-mode-override” <a href="../html/gst-plugins-base-libs-GstVideo.html#GstVideoMultiviewFramePacking"><span class="type">GstVideoMultiviewFramePacking</span></a></pre> 255<p>Override any input information about multiview layout.</p> 256<p>Flags: Read / Write</p> 257<p>Default value: GST_VIDEO_MULTIVIEW_FRAME_PACKING_NONE</p> 258</div> 259<hr> 260<div class="refsect2"> 261<a name="GstGLViewConvertElement--output-flags-override"></a><h3>The <code class="literal">“output-flags-override”</code> property</h3> 262<pre class="programlisting"> “output-flags-override” <a href="../html/gst-plugins-base-libs-GstVideo.html#GstVideoMultiviewFlags"><span class="type">GstVideoMultiviewFlags</span></a></pre> 263<p>Override automatic negotiation for output multiview layout flags.</p> 264<p>Flags: Read / Write</p> 265</div> 266<hr> 267<div class="refsect2"> 268<a name="GstGLViewConvertElement--output-mode-override"></a><h3>The <code class="literal">“output-mode-override”</code> property</h3> 269<pre class="programlisting"> “output-mode-override” <a href="../html/gst-plugins-base-libs-GstVideo.html#GstVideoMultiviewMode"><span class="type">GstVideoMultiviewMode</span></a></pre> 270<p>Override automatic output mode selection for multiview layout.</p> 271<p>Flags: Read / Write</p> 272<p>Default value: GST_VIDEO_MULTIVIEW_MODE_NONE</p> 273</div> 274</div> 275</div> 276<div class="footer"> 277<hr>Generated by GTK-Doc V1.28</div> 278</body> 279</html>
