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>GstGLRenderBuffer: GStreamer Base Plugins 1.0 Library 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 Library Reference Manual"> 8<link rel="up" href="gl.html" title="OpenGL Integration Library"> 9<link rel="prev" href="gst-plugins-base-libs-GstGLQuery.html" title="GstGLQuery"> 10<link rel="next" href="GstGLShader.html" title="GstGLShader"> 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-libs-GstGLRenderbuffer.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> 19 <a href="#gst-plugins-base-libs-GstGLRenderbuffer.object-hierarchy" class="shortcut">Object Hierarchy</a></span> 20</td> 21<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> 22<td><a accesskey="u" href="gl.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> 23<td><a accesskey="p" href="gst-plugins-base-libs-GstGLQuery.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> 24<td><a accesskey="n" href="GstGLShader.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> 25</tr></table> 26<div class="refentry"> 27<a name="gst-plugins-base-libs-GstGLRenderbuffer"></a><div class="titlepage"></div> 28<div class="refnamediv"><table width="100%"><tr> 29<td valign="top"> 30<h2><span class="refentrytitle"><a name="gst-plugins-base-libs-GstGLRenderbuffer.top_of_page"></a>GstGLRenderBuffer</span></h2> 31<p>GstGLRenderBuffer — memory subclass for GL renderbuffer objects</p> 32</td> 33<td class="gallery_image" valign="top" align="right"></td> 34</tr></table></div> 35<div class="refsect1"> 36<a name="gst-plugins-base-libs-GstGLRenderbuffer.functions"></a><h2>Functions</h2> 37<div class="informaltable"><table class="informaltable" width="100%" border="0"> 38<colgroup> 39<col width="150px" class="functions_return"> 40<col class="functions_name"> 41</colgroup> 42<tbody> 43<tr> 44<td class="function_type"> 45<a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#GstGLRenderbufferAllocationParams"><span class="returnvalue">GstGLRenderbufferAllocationParams</span></a> * 46</td> 47<td class="function_name"> 48<a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#gst-gl-renderbuffer-allocation-params-new" title="gst_gl_renderbuffer_allocation_params_new ()">gst_gl_renderbuffer_allocation_params_new</a> <span class="c_punctuation">()</span> 49</td> 50</tr> 51<tr> 52<td class="function_type"> 53<a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#GstGLRenderbufferAllocationParams"><span class="returnvalue">GstGLRenderbufferAllocationParams</span></a> * 54</td> 55<td class="function_name"> 56<a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#gst-gl-renderbuffer-allocation-params-new-wrapped" title="gst_gl_renderbuffer_allocation_params_new_wrapped ()">gst_gl_renderbuffer_allocation_params_new_wrapped</a> <span class="c_punctuation">()</span> 57</td> 58</tr> 59<tr> 60<td class="function_type"> 61<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a> 62</td> 63<td class="function_name"> 64<a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#gst-gl-renderbuffer-get-height" title="gst_gl_renderbuffer_get_height ()">gst_gl_renderbuffer_get_height</a> <span class="c_punctuation">()</span> 65</td> 66</tr> 67<tr> 68<td class="function_type"> 69<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 70</td> 71<td class="function_name"> 72<a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#gst-gl-renderbuffer-get-id" title="gst_gl_renderbuffer_get_id ()">gst_gl_renderbuffer_get_id</a> <span class="c_punctuation">()</span> 73</td> 74</tr> 75<tr> 76<td class="function_type"> 77<a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GstGLFormat" title="enum GstGLFormat"><span class="returnvalue">GstGLFormat</span></a> 78</td> 79<td class="function_name"> 80<a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#gst-gl-renderbuffer-get-format" title="gst_gl_renderbuffer_get_format ()">gst_gl_renderbuffer_get_format</a> <span class="c_punctuation">()</span> 81</td> 82</tr> 83<tr> 84<td class="function_type"> 85<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a> 86</td> 87<td class="function_name"> 88<a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#gst-gl-renderbuffer-get-width" title="gst_gl_renderbuffer_get_width ()">gst_gl_renderbuffer_get_width</a> <span class="c_punctuation">()</span> 89</td> 90</tr> 91<tr> 92<td class="function_type"> 93<span class="returnvalue">void</span> 94</td> 95<td class="function_name"> 96<a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#gst-gl-renderbuffer-init-once" title="gst_gl_renderbuffer_init_once ()">gst_gl_renderbuffer_init_once</a> <span class="c_punctuation">()</span> 97</td> 98</tr> 99<tr> 100<td class="function_type"> 101<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 102</td> 103<td class="function_name"> 104<a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#gst-is-gl-renderbuffer" title="gst_is_gl_renderbuffer ()">gst_is_gl_renderbuffer</a> <span class="c_punctuation">()</span> 105</td> 106</tr> 107</tbody> 108</table></div> 109</div> 110<a name="GstGLRenderbufferAllocator"></a><a name="GstGLRenderbufferAllocationParams"></a><div class="refsect1"> 111<a name="gst-plugins-base-libs-GstGLRenderbuffer.other"></a><h2>Types and Values</h2> 112<div class="informaltable"><table class="informaltable" width="100%" border="0"> 113<colgroup> 114<col width="150px" class="name"> 115<col class="description"> 116</colgroup> 117<tbody> 118<tr> 119<td class="datatype_keyword"> </td> 120<td class="function_name"><a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#GstGLRenderbuffer" title="GstGLRenderbuffer">GstGLRenderbuffer</a></td> 121</tr> 122<tr> 123<td class="datatype_keyword"> </td> 124<td class="function_name"><a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#GstGLRenderbufferAllocator-struct" title="GstGLRenderbufferAllocator">GstGLRenderbufferAllocator</a></td> 125</tr> 126<tr> 127<td class="datatype_keyword"> </td> 128<td class="function_name"><a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#GstGLRenderbufferAllocatorClass" title="GstGLRenderbufferAllocatorClass">GstGLRenderbufferAllocatorClass</a></td> 129</tr> 130<tr> 131<td class="datatype_keyword">struct</td> 132<td class="function_name"><a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#GstGLRenderbufferAllocationParams-struct" title="struct GstGLRenderbufferAllocationParams">GstGLRenderbufferAllocationParams</a></td> 133</tr> 134<tr> 135<td class="define_keyword">#define</td> 136<td class="function_name"><a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#GST-GL-RENDERBUFFER-ALLOCATOR-NAME:CAPS" title="GST_GL_RENDERBUFFER_ALLOCATOR_NAME">GST_GL_RENDERBUFFER_ALLOCATOR_NAME</a></td> 137</tr> 138</tbody> 139</table></div> 140</div> 141<div class="refsect1"> 142<a name="gst-plugins-base-libs-GstGLRenderbuffer.object-hierarchy"></a><h2>Object Hierarchy</h2> 143<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobject/gobject-Boxed-Types.html">GBoxed</a> 144 <span class="lineart">╰──</span> GstGLRenderbufferAllocationParams 145 <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a> 146 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a> 147 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstObject.html#GstObject-struct">GstObject</a> 148 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstAllocator.html#GstAllocator-struct">GstAllocator</a> 149 <span class="lineart">╰──</span> <a class="link" href="gst-plugins-base-libs-GstGLBaseMemory.html#GstGLBaseMemoryAllocator">GstGLBaseMemoryAllocator</a> 150 <span class="lineart">╰──</span> GstGLRenderbufferAllocator 151</pre> 152</div> 153<div class="refsect1"> 154<a name="gst-plugins-base-libs-GstGLRenderbuffer.includes"></a><h2>Includes</h2> 155<pre class="synopsis">#include <gst/gl/gl.h> 156</pre> 157</div> 158<div class="refsect1"> 159<a name="gst-plugins-base-libs-GstGLRenderbuffer.description"></a><h2>Description</h2> 160<p>GstGLRenderbuffer is a <a class="link" href="gst-plugins-base-libs-GstGLBaseMemory.html#GstGLBaseMemory" title="GstGLBaseMemory"><span class="type">GstGLBaseMemory</span></a> subclass providing support for 161OpenGL renderbuffers.</p> 162<p><a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#GstGLRenderbuffer" title="GstGLRenderbuffer"><span class="type">GstGLRenderbuffer</span></a> is created or wrapped through <a class="link" href="gst-plugins-base-libs-GstGLBaseMemory.html#gst-gl-base-memory-alloc" title="gst_gl_base_memory_alloc ()"><code class="function">gst_gl_base_memory_alloc()</code></a> 163with <a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#GstGLRenderbufferAllocationParams"><span class="type">GstGLRenderbufferAllocationParams</span></a>.</p> 164</div> 165<div class="refsect1"> 166<a name="gst-plugins-base-libs-GstGLRenderbuffer.functions_details"></a><h2>Functions</h2> 167<div class="refsect2"> 168<a name="gst-gl-renderbuffer-allocation-params-new"></a><h3>gst_gl_renderbuffer_allocation_params_new ()</h3> 169<pre class="programlisting"><a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#GstGLRenderbufferAllocationParams"><span class="returnvalue">GstGLRenderbufferAllocationParams</span></a> * 170gst_gl_renderbuffer_allocation_params_new 171 (<em class="parameter"><code><a class="link" href="GstGLContext.html" title="GstGLContext"><span class="type">GstGLContext</span></a> *context</code></em>, 172 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstAllocator.html#GstAllocationParams-struct"><span class="type">GstAllocationParams</span></a> *alloc_params</code></em>, 173 <em class="parameter"><code><a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GstGLFormat" title="enum GstGLFormat"><span class="type">GstGLFormat</span></a> renderbuffer_format</code></em>, 174 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> width</code></em>, 175 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> height</code></em>);</pre> 176<div class="refsect3"> 177<a name="gst-gl-renderbuffer-allocation-params-new.parameters"></a><h4>Parameters</h4> 178<div class="informaltable"><table class="informaltable" width="100%" border="0"> 179<colgroup> 180<col width="150px" class="parameters_name"> 181<col class="parameters_description"> 182<col width="200px" class="parameters_annotations"> 183</colgroup> 184<tbody> 185<tr> 186<td class="parameter_name"><p>context</p></td> 187<td class="parameter_description"><p>a <a class="link" href="GstGLContext.html" title="GstGLContext"><span class="type">GstGLContext</span></a></p></td> 188<td class="parameter_annotations"> </td> 189</tr> 190<tr> 191<td class="parameter_name"><p>alloc_params</p></td> 192<td class="parameter_description"><p>the <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstAllocator.html#GstAllocationParams-struct"><span class="type">GstAllocationParams</span></a> for sysmem mappings of the texture. </p></td> 193<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td> 194</tr> 195<tr> 196<td class="parameter_name"><p>width</p></td> 197<td class="parameter_description"><p>the width of the renderbuffer</p></td> 198<td class="parameter_annotations"> </td> 199</tr> 200<tr> 201<td class="parameter_name"><p>height</p></td> 202<td class="parameter_description"><p>the height of the renderbuffer</p></td> 203<td class="parameter_annotations"> </td> 204</tr> 205<tr> 206<td class="parameter_name"><p>renderbuffer_format</p></td> 207<td class="parameter_description"><p>the <a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GstGLFormat" title="enum GstGLFormat"><span class="type">GstGLFormat</span></a> for the created textures</p></td> 208<td class="parameter_annotations"> </td> 209</tr> 210</tbody> 211</table></div> 212</div> 213<div class="refsect3"> 214<a name="gst-gl-renderbuffer-allocation-params-new.returns"></a><h4>Returns</h4> 215<p> a new <a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#GstGLRenderbufferAllocationParams"><span class="type">GstGLRenderbufferAllocationParams</span></a> for allocating <a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#GstGLRenderbuffer" title="GstGLRenderbuffer"><span class="type">GstGLRenderbuffer</span></a>'s</p> 216</div> 217<p class="since">Since: <a class="link" href="ix06.html#api-index-1.10">1.10</a></p> 218</div> 219<hr> 220<div class="refsect2"> 221<a name="gst-gl-renderbuffer-allocation-params-new-wrapped"></a><h3>gst_gl_renderbuffer_allocation_params_new_wrapped ()</h3> 222<pre class="programlisting"><a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#GstGLRenderbufferAllocationParams"><span class="returnvalue">GstGLRenderbufferAllocationParams</span></a> * 223gst_gl_renderbuffer_allocation_params_new_wrapped 224 (<em class="parameter"><code><a class="link" href="GstGLContext.html" title="GstGLContext"><span class="type">GstGLContext</span></a> *context</code></em>, 225 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstAllocator.html#GstAllocationParams-struct"><span class="type">GstAllocationParams</span></a> *alloc_params</code></em>, 226 <em class="parameter"><code><a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GstGLFormat" title="enum GstGLFormat"><span class="type">GstGLFormat</span></a> renderbuffer_format</code></em>, 227 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> width</code></em>, 228 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> height</code></em>, 229 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> gl_handle</code></em>, 230 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>, 231 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Datasets.html#GDestroyNotify"><span class="type">GDestroyNotify</span></a> notify</code></em>);</pre> 232<div class="refsect3"> 233<a name="gst-gl-renderbuffer-allocation-params-new-wrapped.parameters"></a><h4>Parameters</h4> 234<div class="informaltable"><table class="informaltable" width="100%" border="0"> 235<colgroup> 236<col width="150px" class="parameters_name"> 237<col class="parameters_description"> 238<col width="200px" class="parameters_annotations"> 239</colgroup> 240<tbody> 241<tr> 242<td class="parameter_name"><p>context</p></td> 243<td class="parameter_description"><p>a <a class="link" href="GstGLContext.html" title="GstGLContext"><span class="type">GstGLContext</span></a></p></td> 244<td class="parameter_annotations"> </td> 245</tr> 246<tr> 247<td class="parameter_name"><p>alloc_params</p></td> 248<td class="parameter_description"><p>the <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstAllocator.html#GstAllocationParams-struct"><span class="type">GstAllocationParams</span></a> for <em class="parameter"><code>tex_id</code></em> 249. </p></td> 250<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td> 251</tr> 252<tr> 253<td class="parameter_name"><p>width</p></td> 254<td class="parameter_description"><p>the width of the renderbuffer</p></td> 255<td class="parameter_annotations"> </td> 256</tr> 257<tr> 258<td class="parameter_name"><p>height</p></td> 259<td class="parameter_description"><p>the height of the renderbuffer</p></td> 260<td class="parameter_annotations"> </td> 261</tr> 262<tr> 263<td class="parameter_name"><p>renderbuffer_format</p></td> 264<td class="parameter_description"><p>the <a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GstGLFormat" title="enum GstGLFormat"><span class="type">GstGLFormat</span></a> for <em class="parameter"><code>tex_id</code></em> 265</p></td> 266<td class="parameter_annotations"> </td> 267</tr> 268<tr> 269<td class="parameter_name"><p>gl_handle</p></td> 270<td class="parameter_description"><p>the GL handle to wrap</p></td> 271<td class="parameter_annotations"> </td> 272</tr> 273<tr> 274<td class="parameter_name"><p>user_data</p></td> 275<td class="parameter_description"><p>user data to call <em class="parameter"><code>notify</code></em> 276with. </p></td> 277<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td> 278</tr> 279<tr> 280<td class="parameter_name"><p>notify</p></td> 281<td class="parameter_description"><p>a <a href="/usr/share/gtk-doc/html/glib/glib-Datasets.html#GDestroyNotify"><span class="type">GDestroyNotify</span></a>. </p></td> 282<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td> 283</tr> 284</tbody> 285</table></div> 286</div> 287<div class="refsect3"> 288<a name="gst-gl-renderbuffer-allocation-params-new-wrapped.returns"></a><h4>Returns</h4> 289<p> a new <a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#GstGLRenderbufferAllocationParams"><span class="type">GstGLRenderbufferAllocationParams</span></a> for wrapping <em class="parameter"><code>gl_handle</code></em> 290as a 291renderbuffer</p> 292</div> 293<p class="since">Since: <a class="link" href="ix06.html#api-index-1.10">1.10</a></p> 294</div> 295<hr> 296<div class="refsect2"> 297<a name="gst-gl-renderbuffer-get-height"></a><h3>gst_gl_renderbuffer_get_height ()</h3> 298<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a> 299gst_gl_renderbuffer_get_height (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#GstGLRenderbuffer" title="GstGLRenderbuffer"><span class="type">GstGLRenderbuffer</span></a> *gl_mem</code></em>);</pre> 300<div class="refsect3"> 301<a name="gst-gl-renderbuffer-get-height.parameters"></a><h4>Parameters</h4> 302<div class="informaltable"><table class="informaltable" width="100%" border="0"> 303<colgroup> 304<col width="150px" class="parameters_name"> 305<col class="parameters_description"> 306<col width="200px" class="parameters_annotations"> 307</colgroup> 308<tbody><tr> 309<td class="parameter_name"><p>gl_mem</p></td> 310<td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#GstGLRenderbuffer" title="GstGLRenderbuffer"><span class="type">GstGLRenderbuffer</span></a></p></td> 311<td class="parameter_annotations"> </td> 312</tr></tbody> 313</table></div> 314</div> 315<div class="refsect3"> 316<a name="gst-gl-renderbuffer-get-height.returns"></a><h4>Returns</h4> 317<p> the configured height of <em class="parameter"><code>gl_mem</code></em> 318</p> 319</div> 320<p class="since">Since: <a class="link" href="ix06.html#api-index-1.10">1.10</a></p> 321</div> 322<hr> 323<div class="refsect2"> 324<a name="gst-gl-renderbuffer-get-id"></a><h3>gst_gl_renderbuffer_get_id ()</h3> 325<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 326gst_gl_renderbuffer_get_id (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#GstGLRenderbuffer" title="GstGLRenderbuffer"><span class="type">GstGLRenderbuffer</span></a> *gl_mem</code></em>);</pre> 327<div class="refsect3"> 328<a name="gst-gl-renderbuffer-get-id.parameters"></a><h4>Parameters</h4> 329<div class="informaltable"><table class="informaltable" width="100%" border="0"> 330<colgroup> 331<col width="150px" class="parameters_name"> 332<col class="parameters_description"> 333<col width="200px" class="parameters_annotations"> 334</colgroup> 335<tbody><tr> 336<td class="parameter_name"><p>gl_mem</p></td> 337<td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#GstGLRenderbuffer" title="GstGLRenderbuffer"><span class="type">GstGLRenderbuffer</span></a></p></td> 338<td class="parameter_annotations"> </td> 339</tr></tbody> 340</table></div> 341</div> 342<div class="refsect3"> 343<a name="gst-gl-renderbuffer-get-id.returns"></a><h4>Returns</h4> 344<p> the OpenGL renderbuffer handle of <em class="parameter"><code>gl_mem</code></em> 345</p> 346</div> 347<p class="since">Since: <a class="link" href="ix06.html#api-index-1.10">1.10</a></p> 348</div> 349<hr> 350<div class="refsect2"> 351<a name="gst-gl-renderbuffer-get-format"></a><h3>gst_gl_renderbuffer_get_format ()</h3> 352<pre class="programlisting"><a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GstGLFormat" title="enum GstGLFormat"><span class="returnvalue">GstGLFormat</span></a> 353gst_gl_renderbuffer_get_format (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#GstGLRenderbuffer" title="GstGLRenderbuffer"><span class="type">GstGLRenderbuffer</span></a> *gl_mem</code></em>);</pre> 354<div class="refsect3"> 355<a name="gst-gl-renderbuffer-get-format.parameters"></a><h4>Parameters</h4> 356<div class="informaltable"><table class="informaltable" width="100%" border="0"> 357<colgroup> 358<col width="150px" class="parameters_name"> 359<col class="parameters_description"> 360<col width="200px" class="parameters_annotations"> 361</colgroup> 362<tbody><tr> 363<td class="parameter_name"><p>gl_mem</p></td> 364<td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#GstGLRenderbuffer" title="GstGLRenderbuffer"><span class="type">GstGLRenderbuffer</span></a></p></td> 365<td class="parameter_annotations"> </td> 366</tr></tbody> 367</table></div> 368</div> 369<div class="refsect3"> 370<a name="gst-gl-renderbuffer-get-format.returns"></a><h4>Returns</h4> 371<p> the <a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GstGLFormat" title="enum GstGLFormat"><span class="type">GstGLFormat</span></a> of <em class="parameter"><code>gl_mem</code></em> 372</p> 373</div> 374<p class="since">Since: <a class="link" href="ix05.html#api-index-1.12">1.12</a></p> 375</div> 376<hr> 377<div class="refsect2"> 378<a name="gst-gl-renderbuffer-get-width"></a><h3>gst_gl_renderbuffer_get_width ()</h3> 379<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a> 380gst_gl_renderbuffer_get_width (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#GstGLRenderbuffer" title="GstGLRenderbuffer"><span class="type">GstGLRenderbuffer</span></a> *gl_mem</code></em>);</pre> 381<div class="refsect3"> 382<a name="gst-gl-renderbuffer-get-width.parameters"></a><h4>Parameters</h4> 383<div class="informaltable"><table class="informaltable" width="100%" border="0"> 384<colgroup> 385<col width="150px" class="parameters_name"> 386<col class="parameters_description"> 387<col width="200px" class="parameters_annotations"> 388</colgroup> 389<tbody><tr> 390<td class="parameter_name"><p>gl_mem</p></td> 391<td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#GstGLRenderbuffer" title="GstGLRenderbuffer"><span class="type">GstGLRenderbuffer</span></a></p></td> 392<td class="parameter_annotations"> </td> 393</tr></tbody> 394</table></div> 395</div> 396<div class="refsect3"> 397<a name="gst-gl-renderbuffer-get-width.returns"></a><h4>Returns</h4> 398<p> the configured width of <em class="parameter"><code>gl_mem</code></em> 399</p> 400</div> 401<p class="since">Since: <a class="link" href="ix06.html#api-index-1.10">1.10</a></p> 402</div> 403<hr> 404<div class="refsect2"> 405<a name="gst-gl-renderbuffer-init-once"></a><h3>gst_gl_renderbuffer_init_once ()</h3> 406<pre class="programlisting"><span class="returnvalue">void</span> 407gst_gl_renderbuffer_init_once (<em class="parameter"><code><span class="type">void</span></code></em>);</pre> 408<p>Initializes the GL Base Texture allocator. It is safe to call this function 409multiple times. This must be called before any other GstGLRenderbuffer operation.</p> 410<p class="since">Since: <a class="link" href="ix06.html#api-index-1.10">1.10</a></p> 411</div> 412<hr> 413<div class="refsect2"> 414<a name="gst-is-gl-renderbuffer"></a><h3>gst_is_gl_renderbuffer ()</h3> 415<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 416gst_is_gl_renderbuffer (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstMemory.html#GstMemory-struct"><span class="type">GstMemory</span></a> *mem</code></em>);</pre> 417<div class="refsect3"> 418<a name="gst-is-gl-renderbuffer.parameters"></a><h4>Parameters</h4> 419<div class="informaltable"><table class="informaltable" width="100%" border="0"> 420<colgroup> 421<col width="150px" class="parameters_name"> 422<col class="parameters_description"> 423<col width="200px" class="parameters_annotations"> 424</colgroup> 425<tbody><tr> 426<td class="parameter_name"><p>mem</p></td> 427<td class="parameter_description"><p>a <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstMemory.html#GstMemory-struct"><span class="type">GstMemory</span></a></p></td> 428<td class="parameter_annotations"> </td> 429</tr></tbody> 430</table></div> 431</div> 432<div class="refsect3"> 433<a name="gst-is-gl-renderbuffer.returns"></a><h4>Returns</h4> 434<p> whether the memory at <em class="parameter"><code>mem</code></em> 435is a <a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#GstGLRenderbuffer" title="GstGLRenderbuffer"><span class="type">GstGLRenderbuffer</span></a></p> 436</div> 437<p class="since">Since: <a class="link" href="ix06.html#api-index-1.10">1.10</a></p> 438</div> 439</div> 440<div class="refsect1"> 441<a name="gst-plugins-base-libs-GstGLRenderbuffer.other_details"></a><h2>Types and Values</h2> 442<div class="refsect2"> 443<a name="GstGLRenderbuffer"></a><h3>GstGLRenderbuffer</h3> 444<pre class="programlisting">typedef struct { 445 guint renderbuffer_id; 446 GstGLFormat renderbuffer_format; 447 guint width; 448 guint height; 449} GstGLRenderbuffer; 450</pre> 451<p>Represents information about a GL renderbuffer</p> 452<div class="refsect3"> 453<a name="GstGLRenderbuffer.members"></a><h4>Members</h4> 454<div class="informaltable"><table class="informaltable" width="100%" border="0"> 455<colgroup> 456<col width="300px" class="struct_members_name"> 457<col class="struct_members_description"> 458<col width="200px" class="struct_members_annotations"> 459</colgroup> 460<tbody> 461<tr> 462<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> <em class="structfield"><code><a name="GstGLRenderbuffer.renderbuffer-id"></a>renderbuffer_id</code></em>;</p></td> 463<td class="struct_member_description"><p>the GL texture id for this memory</p></td> 464<td class="struct_member_annotations"> </td> 465</tr> 466<tr> 467<td class="struct_member_name"><p><a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GstGLFormat" title="enum GstGLFormat"><span class="type">GstGLFormat</span></a> <em class="structfield"><code><a name="GstGLRenderbuffer.renderbuffer-format"></a>renderbuffer_format</code></em>;</p></td> 468<td class="struct_member_description"><p>the texture type</p></td> 469<td class="struct_member_annotations"> </td> 470</tr> 471<tr> 472<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> <em class="structfield"><code><a name="GstGLRenderbuffer.width"></a>width</code></em>;</p></td> 473<td class="struct_member_description"><p>the width</p></td> 474<td class="struct_member_annotations"> </td> 475</tr> 476<tr> 477<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> <em class="structfield"><code><a name="GstGLRenderbuffer.height"></a>height</code></em>;</p></td> 478<td class="struct_member_description"><p>the height</p></td> 479<td class="struct_member_annotations"> </td> 480</tr> 481</tbody> 482</table></div> 483</div> 484</div> 485<hr> 486<div class="refsect2"> 487<a name="GstGLRenderbufferAllocator-struct"></a><h3>GstGLRenderbufferAllocator</h3> 488<pre class="programlisting">typedef struct _GstGLRenderbufferAllocator GstGLRenderbufferAllocator;</pre> 489<p>Opaque <a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#GstGLRenderbufferAllocator"><span class="type">GstGLRenderbufferAllocator</span></a> struct</p> 490</div> 491<hr> 492<div class="refsect2"> 493<a name="GstGLRenderbufferAllocatorClass"></a><h3>GstGLRenderbufferAllocatorClass</h3> 494<pre class="programlisting">typedef struct { 495 GstGLBaseMemoryAllocatorClass parent_class; 496} GstGLRenderbufferAllocatorClass; 497</pre> 498<p>The <a class="link" href="gst-plugins-base-libs-GstGLRenderbuffer.html#GstGLRenderbufferAllocatorClass" title="GstGLRenderbufferAllocatorClass"><span class="type">GstGLRenderbufferAllocatorClass</span></a> only contains private data</p> 499</div> 500<hr> 501<div class="refsect2"> 502<a name="GstGLRenderbufferAllocationParams-struct"></a><h3>struct GstGLRenderbufferAllocationParams</h3> 503<pre class="programlisting">struct GstGLRenderbufferAllocationParams { 504 GstGLFormat renderbuffer_format; 505 guint width; 506 guint height; 507}; 508</pre> 509<p>Allocation parameters</p> 510<div class="refsect3"> 511<a name="GstGLRenderbufferAllocationParams.members"></a><h4>Members</h4> 512<div class="informaltable"><table class="informaltable" width="100%" border="0"> 513<colgroup> 514<col width="300px" class="struct_members_name"> 515<col class="struct_members_description"> 516<col width="200px" class="struct_members_annotations"> 517</colgroup> 518<tbody> 519<tr> 520<td class="struct_member_name"><p><a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GstGLFormat" title="enum GstGLFormat"><span class="type">GstGLFormat</span></a> <em class="structfield"><code><a name="GstGLRenderbufferAllocationParams-struct.renderbuffer-format"></a>renderbuffer_format</code></em>;</p></td> 521<td class="struct_member_description"><p>the <a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GstGLFormat" title="enum GstGLFormat"><span class="type">GstGLFormat</span></a></p></td> 522<td class="struct_member_annotations"> </td> 523</tr> 524<tr> 525<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> <em class="structfield"><code><a name="GstGLRenderbufferAllocationParams-struct.width"></a>width</code></em>;</p></td> 526<td class="struct_member_description"><p>the width</p></td> 527<td class="struct_member_annotations"> </td> 528</tr> 529<tr> 530<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> <em class="structfield"><code><a name="GstGLRenderbufferAllocationParams-struct.height"></a>height</code></em>;</p></td> 531<td class="struct_member_description"><p>the height</p></td> 532<td class="struct_member_annotations"> </td> 533</tr> 534</tbody> 535</table></div> 536</div> 537</div> 538<hr> 539<div class="refsect2"> 540<a name="GST-GL-RENDERBUFFER-ALLOCATOR-NAME:CAPS"></a><h3>GST_GL_RENDERBUFFER_ALLOCATOR_NAME</h3> 541<pre class="programlisting">#define GST_GL_RENDERBUFFER_ALLOCATOR_NAME "GLRenderbuffer" 542</pre> 543<p>The name of the GL renderbuffer allocator</p> 544</div> 545</div> 546<div class="refsect1"> 547<a name="gst-plugins-base-libs-GstGLRenderbuffer.see-also"></a><h2>See Also</h2> 548<p><a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstMemory.html#GstMemory-struct"><span class="type">GstMemory</span></a>, <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstAllocator.html#GstAllocator-struct"><span class="type">GstAllocator</span></a></p> 549</div> 550</div> 551<div class="footer"> 552<hr>Generated by GTK-Doc V1.28</div> 553</body> 554</html>
