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>GstGLFormat: 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-OpenGL-debugging.html" title="OpenGL debugging"> 10<link rel="next" href="gst-plugins-base-libs-OpenGL-Miscellaneous-Utilities.html" title="GstGLUtils"> 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 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valign="top"> 29<h2><span class="refentrytitle"><a name="gst-plugins-base-libs-OpenGL-Formats.top_of_page"></a>GstGLFormat</span></h2> 30<p>GstGLFormat — utilities for dealing with OpenGL formats</p> 31</td> 32<td class="gallery_image" valign="top" align="right"></td> 33</tr></table></div> 34<div class="refsect1"> 35<a name="gst-plugins-base-libs-OpenGL-Formats.functions"></a><h2>Functions</h2> 36<div class="informaltable"><table class="informaltable" width="100%" border="0"> 37<colgroup> 38<col width="150px" class="functions_return"> 39<col class="functions_name"> 40</colgroup> 41<tbody> 42<tr> 43<td class="function_type"> 44<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 45</td> 46<td class="function_name"> 47<a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#gst-gl-format-is-supported" title="gst_gl_format_is_supported ()">gst_gl_format_is_supported</a> <span class="c_punctuation">()</span> 48</td> 49</tr> 50<tr> 51<td class="function_type"> 52<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 53</td> 54<td class="function_name"> 55<a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#gst-gl-format-type-n-bytes" title="gst_gl_format_type_n_bytes ()">gst_gl_format_type_n_bytes</a> <span class="c_punctuation">()</span> 56</td> 57</tr> 58<tr> 59<td class="function_type"> 60<a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GstGLFormat" title="enum GstGLFormat"><span class="returnvalue">GstGLFormat</span></a> 61</td> 62<td class="function_name"> 63<a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#gst-gl-format-from-video-info" title="gst_gl_format_from_video_info ()">gst_gl_format_from_video_info</a> <span class="c_punctuation">()</span> 64</td> 65</tr> 66<tr> 67<td class="function_type"> 68<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 69</td> 70<td class="function_name"> 71<a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#gst-gl-sized-gl-format-from-gl-format-type" title="gst_gl_sized_gl_format_from_gl_format_type ()">gst_gl_sized_gl_format_from_gl_format_type</a> <span class="c_punctuation">()</span> 72</td> 73</tr> 74<tr> 75<td class="function_type"> 76<a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GstGLTextureTarget" title="enum GstGLTextureTarget"><span class="returnvalue">GstGLTextureTarget</span></a> 77</td> 78<td class="function_name"> 79<a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#gst-gl-texture-target-from-string" title="gst_gl_texture_target_from_string ()">gst_gl_texture_target_from_string</a> <span class="c_punctuation">()</span> 80</td> 81</tr> 82<tr> 83<td class="function_type">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * 84</td> 85<td class="function_name"> 86<a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#gst-gl-texture-target-to-string" title="gst_gl_texture_target_to_string ()">gst_gl_texture_target_to_string</a> <span class="c_punctuation">()</span> 87</td> 88</tr> 89<tr> 90<td class="function_type"> 91<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 92</td> 93<td class="function_name"> 94<a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#gst-gl-texture-target-to-gl" title="gst_gl_texture_target_to_gl ()">gst_gl_texture_target_to_gl</a> <span class="c_punctuation">()</span> 95</td> 96</tr> 97<tr> 98<td class="function_type"> 99<a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GstGLTextureTarget" title="enum GstGLTextureTarget"><span class="returnvalue">GstGLTextureTarget</span></a> 100</td> 101<td class="function_name"> 102<a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#gst-gl-texture-target-from-gl" title="gst_gl_texture_target_from_gl ()">gst_gl_texture_target_from_gl</a> <span class="c_punctuation">()</span> 103</td> 104</tr> 105<tr> 106<td class="function_type">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * 107</td> 108<td class="function_name"> 109<a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#gst-gl-texture-target-to-buffer-pool-option" title="gst_gl_texture_target_to_buffer_pool_option ()">gst_gl_texture_target_to_buffer_pool_option</a> <span class="c_punctuation">()</span> 110</td> 111</tr> 112<tr> 113<td class="function_type"> 114<span class="returnvalue">void</span> 115</td> 116<td class="function_name"> 117<a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#gst-gl-format-type-from-sized-gl-format" title="gst_gl_format_type_from_sized_gl_format ()">gst_gl_format_type_from_sized_gl_format</a> <span class="c_punctuation">()</span> 118</td> 119</tr> 120</tbody> 121</table></div> 122</div> 123<div class="refsect1"> 124<a name="gst-plugins-base-libs-OpenGL-Formats.other"></a><h2>Types and Values</h2> 125<div class="informaltable"><table class="informaltable" width="100%" border="0"> 126<colgroup> 127<col width="150px" class="name"> 128<col class="description"> 129</colgroup> 130<tbody> 131<tr> 132<td class="datatype_keyword">enum</td> 133<td class="function_name"><a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GstGLTextureTarget" title="enum GstGLTextureTarget">GstGLTextureTarget</a></td> 134</tr> 135<tr> 136<td class="define_keyword">#define</td> 137<td class="function_name"><a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GST-GL-TEXTURE-TARGET-2D-STR:CAPS" title="GST_GL_TEXTURE_TARGET_2D_STR">GST_GL_TEXTURE_TARGET_2D_STR</a></td> 138</tr> 139<tr> 140<td class="define_keyword">#define</td> 141<td class="function_name"><a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GST-GL-TEXTURE-TARGET-RECTANGLE-STR:CAPS" title="GST_GL_TEXTURE_TARGET_RECTANGLE_STR">GST_GL_TEXTURE_TARGET_RECTANGLE_STR</a></td> 142</tr> 143<tr> 144<td class="define_keyword">#define</td> 145<td class="function_name"><a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GST-GL-TEXTURE-TARGET-EXTERNAL-OES-STR:CAPS" title="GST_GL_TEXTURE_TARGET_EXTERNAL_OES_STR">GST_GL_TEXTURE_TARGET_EXTERNAL_OES_STR</a></td> 146</tr> 147<tr> 148<td class="define_keyword">#define</td> 149<td class="function_name"><a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GST-BUFFER-POOL-OPTION-GL-TEXTURE-TARGET-2D:CAPS" title="GST_BUFFER_POOL_OPTION_GL_TEXTURE_TARGET_2D">GST_BUFFER_POOL_OPTION_GL_TEXTURE_TARGET_2D</a></td> 150</tr> 151<tr> 152<td class="define_keyword">#define</td> 153<td class="function_name"><a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GST-BUFFER-POOL-OPTION-GL-TEXTURE-TARGET-RECTANGLE:CAPS" title="GST_BUFFER_POOL_OPTION_GL_TEXTURE_TARGET_RECTANGLE">GST_BUFFER_POOL_OPTION_GL_TEXTURE_TARGET_RECTANGLE</a></td> 154</tr> 155<tr> 156<td class="define_keyword">#define</td> 157<td class="function_name"><a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GST-BUFFER-POOL-OPTION-GL-TEXTURE-TARGET-EXTERNAL-OES:CAPS" title="GST_BUFFER_POOL_OPTION_GL_TEXTURE_TARGET_EXTERNAL_OES">GST_BUFFER_POOL_OPTION_GL_TEXTURE_TARGET_EXTERNAL_OES</a></td> 158</tr> 159<tr> 160<td class="datatype_keyword">enum</td> 161<td class="function_name"><a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GstGLFormat" title="enum GstGLFormat">GstGLFormat</a></td> 162</tr> 163</tbody> 164</table></div> 165</div> 166<div class="refsect1"> 167<a name="gst-plugins-base-libs-OpenGL-Formats.includes"></a><h2>Includes</h2> 168<pre class="synopsis">#include <gst/gl/gl.h> 169</pre> 170</div> 171<div class="refsect1"> 172<a name="gst-plugins-base-libs-OpenGL-Formats.description"></a><h2>Description</h2> 173<p>Some useful utilities for converting between various formats and OpenGL 174formats.</p> 175</div> 176<div class="refsect1"> 177<a name="gst-plugins-base-libs-OpenGL-Formats.functions_details"></a><h2>Functions</h2> 178<div class="refsect2"> 179<a name="gst-gl-format-is-supported"></a><h3>gst_gl_format_is_supported ()</h3> 180<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 181gst_gl_format_is_supported (<em class="parameter"><code><a class="link" href="GstGLContext.html" title="GstGLContext"><span class="type">GstGLContext</span></a> *context</code></em>, 182 <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> format</code></em>);</pre> 183<div class="refsect3"> 184<a name="gst-gl-format-is-supported.parameters"></a><h4>Parameters</h4> 185<div class="informaltable"><table class="informaltable" width="100%" border="0"> 186<colgroup> 187<col width="150px" class="parameters_name"> 188<col class="parameters_description"> 189<col width="200px" class="parameters_annotations"> 190</colgroup> 191<tbody> 192<tr> 193<td class="parameter_name"><p>context</p></td> 194<td class="parameter_description"><p>a <a class="link" href="GstGLContext.html" title="GstGLContext"><span class="type">GstGLContext</span></a></p></td> 195<td class="parameter_annotations"> </td> 196</tr> 197<tr> 198<td class="parameter_name"><p>format</p></td> 199<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> to check is supported by <em class="parameter"><code>context</code></em> 200</p></td> 201<td class="parameter_annotations"> </td> 202</tr> 203</tbody> 204</table></div> 205</div> 206<div class="refsect3"> 207<a name="gst-gl-format-is-supported.returns"></a><h4>Returns</h4> 208<p> Whether <em class="parameter"><code>format</code></em> 209is supported by <em class="parameter"><code>context</code></em> 210based on the OpenGL API, 211version, or available OpenGL extension/s.</p> 212</div> 213<p class="since">Since: <a class="link" href="ix03.html#api-index-1.16">1.16</a></p> 214</div> 215<hr> 216<div class="refsect2"> 217<a name="gst-gl-format-type-n-bytes"></a><h3>gst_gl_format_type_n_bytes ()</h3> 218<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 219gst_gl_format_type_n_bytes (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> format</code></em>, 220 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> type</code></em>);</pre> 221<div class="refsect3"> 222<a name="gst-gl-format-type-n-bytes.parameters"></a><h4>Parameters</h4> 223<div class="informaltable"><table class="informaltable" width="100%" border="0"> 224<colgroup> 225<col width="150px" class="parameters_name"> 226<col class="parameters_description"> 227<col width="200px" class="parameters_annotations"> 228</colgroup> 229<tbody> 230<tr> 231<td class="parameter_name"><p>format</p></td> 232<td class="parameter_description"><p>the OpenGL format, <code class="literal">GL_RGBA</code>, <code class="literal">GL_LUMINANCE</code>, etc</p></td> 233<td class="parameter_annotations"> </td> 234</tr> 235<tr> 236<td class="parameter_name"><p>type</p></td> 237<td class="parameter_description"><p>the OpenGL type, <code class="literal">GL_UNSIGNED_BYTE</code>, <code class="literal">GL_FLOAT</code>, etc</p></td> 238<td class="parameter_annotations"> </td> 239</tr> 240</tbody> 241</table></div> 242</div> 243<div class="refsect3"> 244<a name="gst-gl-format-type-n-bytes.returns"></a><h4>Returns</h4> 245<p> the number of bytes the specified <em class="parameter"><code>format</code></em> 246, <em class="parameter"><code>type</code></em> 247combination takes 248per pixel</p> 249</div> 250</div> 251<hr> 252<div class="refsect2"> 253<a name="gst-gl-format-from-video-info"></a><h3>gst_gl_format_from_video_info ()</h3> 254<pre class="programlisting"><a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GstGLFormat" title="enum GstGLFormat"><span class="returnvalue">GstGLFormat</span></a> 255gst_gl_format_from_video_info (<em class="parameter"><code><a class="link" href="GstGLContext.html" title="GstGLContext"><span class="type">GstGLContext</span></a> *context</code></em>, 256 <em class="parameter"><code><a class="link" href="gst-plugins-base-libs-GstVideo.html#GstVideoInfo" title="struct GstVideoInfo"><span class="type">GstVideoInfo</span></a> *vinfo</code></em>, 257 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> plane</code></em>);</pre> 258<div class="refsect3"> 259<a name="gst-gl-format-from-video-info.parameters"></a><h4>Parameters</h4> 260<div class="informaltable"><table class="informaltable" width="100%" border="0"> 261<colgroup> 262<col width="150px" class="parameters_name"> 263<col class="parameters_description"> 264<col width="200px" class="parameters_annotations"> 265</colgroup> 266<tbody> 267<tr> 268<td class="parameter_name"><p>context</p></td> 269<td class="parameter_description"><p>a <a class="link" href="GstGLContext.html" title="GstGLContext"><span class="type">GstGLContext</span></a></p></td> 270<td class="parameter_annotations"> </td> 271</tr> 272<tr> 273<td class="parameter_name"><p>vinfo</p></td> 274<td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-GstVideo.html#GstVideoInfo" title="struct GstVideoInfo"><span class="type">GstVideoInfo</span></a></p></td> 275<td class="parameter_annotations"> </td> 276</tr> 277<tr> 278<td class="parameter_name"><p>plane</p></td> 279<td class="parameter_description"><p>the plane number in <em class="parameter"><code>vinfo</code></em> 280</p></td> 281<td class="parameter_annotations"> </td> 282</tr> 283</tbody> 284</table></div> 285</div> 286<div class="refsect3"> 287<a name="gst-gl-format-from-video-info.returns"></a><h4>Returns</h4> 288<p> the <a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GstGLFormat" title="enum GstGLFormat"><span class="type">GstGLFormat</span></a> necessary for holding the data in <em class="parameter"><code>plane</code></em> 289of <em class="parameter"><code>vinfo</code></em> 290</p> 291</div> 292</div> 293<hr> 294<div class="refsect2"> 295<a name="gst-gl-sized-gl-format-from-gl-format-type"></a><h3>gst_gl_sized_gl_format_from_gl_format_type ()</h3> 296<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 297gst_gl_sized_gl_format_from_gl_format_type 298 (<em class="parameter"><code><a class="link" href="GstGLContext.html" title="GstGLContext"><span class="type">GstGLContext</span></a> *context</code></em>, 299 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> format</code></em>, 300 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> type</code></em>);</pre> 301<div class="refsect3"> 302<a name="gst-gl-sized-gl-format-from-gl-format-type.parameters"></a><h4>Parameters</h4> 303<div class="informaltable"><table class="informaltable" width="100%" border="0"> 304<colgroup> 305<col width="150px" class="parameters_name"> 306<col class="parameters_description"> 307<col width="200px" class="parameters_annotations"> 308</colgroup> 309<tbody> 310<tr> 311<td class="parameter_name"><p>context</p></td> 312<td class="parameter_description"><p>a <a class="link" href="GstGLContext.html" title="GstGLContext"><span class="type">GstGLContext</span></a></p></td> 313<td class="parameter_annotations"> </td> 314</tr> 315<tr> 316<td class="parameter_name"><p>format</p></td> 317<td class="parameter_description"><p>an OpenGL format, <code class="literal">GL_RGBA</code>, <code class="literal">GL_LUMINANCE</code>, etc</p></td> 318<td class="parameter_annotations"> </td> 319</tr> 320<tr> 321<td class="parameter_name"><p>type</p></td> 322<td class="parameter_description"><p>an OpenGL type, <code class="literal">GL_UNSIGNED_BYTE</code>, <code class="literal">GL_FLOAT</code>, etc</p></td> 323<td class="parameter_annotations"> </td> 324</tr> 325</tbody> 326</table></div> 327</div> 328<div class="refsect3"> 329<a name="gst-gl-sized-gl-format-from-gl-format-type.returns"></a><h4>Returns</h4> 330<p> the sized internal format specified by <em class="parameter"><code>format</code></em> 331and <em class="parameter"><code>type</code></em> 332that can 333be used in <em class="parameter"><code>context</code></em> 334</p> 335</div> 336</div> 337<hr> 338<div class="refsect2"> 339<a name="gst-gl-texture-target-from-string"></a><h3>gst_gl_texture_target_from_string ()</h3> 340<pre class="programlisting"><a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GstGLTextureTarget" title="enum GstGLTextureTarget"><span class="returnvalue">GstGLTextureTarget</span></a> 341gst_gl_texture_target_from_string (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *str</code></em>);</pre> 342<div class="refsect3"> 343<a name="gst-gl-texture-target-from-string.parameters"></a><h4>Parameters</h4> 344<div class="informaltable"><table class="informaltable" width="100%" border="0"> 345<colgroup> 346<col width="150px" class="parameters_name"> 347<col class="parameters_description"> 348<col width="200px" class="parameters_annotations"> 349</colgroup> 350<tbody><tr> 351<td class="parameter_name"><p>str</p></td> 352<td class="parameter_description"><p>a string equivalant to one of the GST_GL_TEXTURE_TARGET_*_STR values</p></td> 353<td class="parameter_annotations"> </td> 354</tr></tbody> 355</table></div> 356</div> 357<div class="refsect3"> 358<a name="gst-gl-texture-target-from-string.returns"></a><h4>Returns</h4> 359<p> the <a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GstGLTextureTarget" title="enum GstGLTextureTarget"><span class="type">GstGLTextureTarget</span></a> represented by <em class="parameter"><code>str</code></em> 360or 361<a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GST-GL-TEXTURE-TARGET-NONE:CAPS"><code class="literal">GST_GL_TEXTURE_TARGET_NONE</code></a></p> 362</div> 363</div> 364<hr> 365<div class="refsect2"> 366<a name="gst-gl-texture-target-to-string"></a><h3>gst_gl_texture_target_to_string ()</h3> 367<pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * 368gst_gl_texture_target_to_string (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GstGLTextureTarget" title="enum GstGLTextureTarget"><span class="type">GstGLTextureTarget</span></a> target</code></em>);</pre> 369<div class="refsect3"> 370<a name="gst-gl-texture-target-to-string.parameters"></a><h4>Parameters</h4> 371<div class="informaltable"><table class="informaltable" width="100%" border="0"> 372<colgroup> 373<col width="150px" class="parameters_name"> 374<col class="parameters_description"> 375<col width="200px" class="parameters_annotations"> 376</colgroup> 377<tbody><tr> 378<td class="parameter_name"><p>target</p></td> 379<td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GstGLTextureTarget" title="enum GstGLTextureTarget"><span class="type">GstGLTextureTarget</span></a></p></td> 380<td class="parameter_annotations"> </td> 381</tr></tbody> 382</table></div> 383</div> 384<div class="refsect3"> 385<a name="gst-gl-texture-target-to-string.returns"></a><h4>Returns</h4> 386<p> the stringified version of <em class="parameter"><code>target</code></em> 387or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a></p> 388</div> 389</div> 390<hr> 391<div class="refsect2"> 392<a name="gst-gl-texture-target-to-gl"></a><h3>gst_gl_texture_target_to_gl ()</h3> 393<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a> 394gst_gl_texture_target_to_gl (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GstGLTextureTarget" title="enum GstGLTextureTarget"><span class="type">GstGLTextureTarget</span></a> target</code></em>);</pre> 395<div class="refsect3"> 396<a name="gst-gl-texture-target-to-gl.parameters"></a><h4>Parameters</h4> 397<div class="informaltable"><table class="informaltable" width="100%" border="0"> 398<colgroup> 399<col width="150px" class="parameters_name"> 400<col class="parameters_description"> 401<col width="200px" class="parameters_annotations"> 402</colgroup> 403<tbody><tr> 404<td class="parameter_name"><p>target</p></td> 405<td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GstGLTextureTarget" title="enum GstGLTextureTarget"><span class="type">GstGLTextureTarget</span></a></p></td> 406<td class="parameter_annotations"> </td> 407</tr></tbody> 408</table></div> 409</div> 410<div class="refsect3"> 411<a name="gst-gl-texture-target-to-gl.returns"></a><h4>Returns</h4> 412<p> the OpenGL value for binding the <em class="parameter"><code>target</code></em> 413with <code class="function">glBindTexture()</code> and 414similar functions or 0</p> 415</div> 416</div> 417<hr> 418<div class="refsect2"> 419<a name="gst-gl-texture-target-from-gl"></a><h3>gst_gl_texture_target_from_gl ()</h3> 420<pre class="programlisting"><a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GstGLTextureTarget" title="enum GstGLTextureTarget"><span class="returnvalue">GstGLTextureTarget</span></a> 421gst_gl_texture_target_from_gl (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> target</code></em>);</pre> 422<div class="refsect3"> 423<a name="gst-gl-texture-target-from-gl.parameters"></a><h4>Parameters</h4> 424<div class="informaltable"><table class="informaltable" width="100%" border="0"> 425<colgroup> 426<col width="150px" class="parameters_name"> 427<col class="parameters_description"> 428<col width="200px" class="parameters_annotations"> 429</colgroup> 430<tbody><tr> 431<td class="parameter_name"><p>target</p></td> 432<td class="parameter_description"><p>an OpenGL texture binding target</p></td> 433<td class="parameter_annotations"> </td> 434</tr></tbody> 435</table></div> 436</div> 437<div class="refsect3"> 438<a name="gst-gl-texture-target-from-gl.returns"></a><h4>Returns</h4> 439<p> the <a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GstGLTextureTarget" title="enum GstGLTextureTarget"><span class="type">GstGLTextureTarget</span></a> that's equiavalant to <em class="parameter"><code>target</code></em> 440or 441<a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GST-GL-TEXTURE-TARGET-NONE:CAPS"><code class="literal">GST_GL_TEXTURE_TARGET_NONE</code></a></p> 442</div> 443</div> 444<hr> 445<div class="refsect2"> 446<a name="gst-gl-texture-target-to-buffer-pool-option"></a><h3>gst_gl_texture_target_to_buffer_pool_option ()</h3> 447<pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * 448gst_gl_texture_target_to_buffer_pool_option 449 (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GstGLTextureTarget" title="enum GstGLTextureTarget"><span class="type">GstGLTextureTarget</span></a> target</code></em>);</pre> 450<div class="refsect3"> 451<a name="gst-gl-texture-target-to-buffer-pool-option.parameters"></a><h4>Parameters</h4> 452<div class="informaltable"><table class="informaltable" width="100%" border="0"> 453<colgroup> 454<col width="150px" class="parameters_name"> 455<col class="parameters_description"> 456<col width="200px" class="parameters_annotations"> 457</colgroup> 458<tbody><tr> 459<td class="parameter_name"><p>target</p></td> 460<td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GstGLTextureTarget" title="enum GstGLTextureTarget"><span class="type">GstGLTextureTarget</span></a></p></td> 461<td class="parameter_annotations"> </td> 462</tr></tbody> 463</table></div> 464</div> 465<div class="refsect3"> 466<a name="gst-gl-texture-target-to-buffer-pool-option.returns"></a><h4>Returns</h4> 467<p> a string representing the <em class="parameter"><code>GstBufferPoolOption</code></em> 468specified by <em class="parameter"><code>target</code></em> 469</p> 470</div> 471</div> 472<hr> 473<div class="refsect2"> 474<a name="gst-gl-format-type-from-sized-gl-format"></a><h3>gst_gl_format_type_from_sized_gl_format ()</h3> 475<pre class="programlisting"><span class="returnvalue">void</span> 476gst_gl_format_type_from_sized_gl_format 477 (<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> format</code></em>, 478 <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> *unsized_format</code></em>, 479 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> *gl_type</code></em>);</pre> 480<p>Get the unsized format and type from <em class="parameter"><code>format</code></em> 481 for usage in glReadPixels, 482glTex{Sub}Image*, glTexImage* and similar functions.</p> 483<div class="refsect3"> 484<a name="gst-gl-format-type-from-sized-gl-format.parameters"></a><h4>Parameters</h4> 485<div class="informaltable"><table class="informaltable" width="100%" border="0"> 486<colgroup> 487<col width="150px" class="parameters_name"> 488<col class="parameters_description"> 489<col width="200px" class="parameters_annotations"> 490</colgroup> 491<tbody> 492<tr> 493<td class="parameter_name"><p>format</p></td> 494<td class="parameter_description"><p>the sized internal <a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GstGLFormat" title="enum GstGLFormat"><span class="type">GstGLFormat</span></a></p></td> 495<td class="parameter_annotations"> </td> 496</tr> 497<tr> 498<td class="parameter_name"><p>unsized_format</p></td> 499<td class="parameter_description"><p>location for the resulting unsized <a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GstGLFormat" title="enum GstGLFormat"><span class="type">GstGLFormat</span></a>. </p></td> 500<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td> 501</tr> 502<tr> 503<td class="parameter_name"><p>gl_type</p></td> 504<td class="parameter_description"><p>location for the resulting GL type. </p></td> 505<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td> 506</tr> 507</tbody> 508</table></div> 509</div> 510<p class="since">Since: <a class="link" href="ix03.html#api-index-1.16">1.16</a></p> 511</div> 512</div> 513<div class="refsect1"> 514<a name="gst-plugins-base-libs-OpenGL-Formats.other_details"></a><h2>Types and Values</h2> 515<div class="refsect2"> 516<a name="GstGLTextureTarget"></a><h3>enum GstGLTextureTarget</h3> 517<div class="refsect3"> 518<a name="GstGLTextureTarget.members"></a><h4>Members</h4> 519<div class="informaltable"><table class="informaltable" width="100%" border="0"> 520<colgroup> 521<col width="300px" class="enum_members_name"> 522<col class="enum_members_description"> 523<col width="200px" class="enum_members_annotations"> 524</colgroup> 525<tbody> 526<tr> 527<td class="enum_member_name"><p><a name="GST-GL-TEXTURE-TARGET-NONE:CAPS"></a>GST_GL_TEXTURE_TARGET_NONE</p></td> 528<td class="enum_member_description"> 529<p>no texture target</p> 530</td> 531<td class="enum_member_annotations"> </td> 532</tr> 533<tr> 534<td class="enum_member_name"><p><a name="GST-GL-TEXTURE-TARGET-2D:CAPS"></a>GST_GL_TEXTURE_TARGET_2D</p></td> 535<td class="enum_member_description"> 536<p>2D texture target</p> 537</td> 538<td class="enum_member_annotations"> </td> 539</tr> 540<tr> 541<td class="enum_member_name"><p><a name="GST-GL-TEXTURE-TARGET-RECTANGLE:CAPS"></a>GST_GL_TEXTURE_TARGET_RECTANGLE</p></td> 542<td class="enum_member_description"> 543<p>rectangle texture target</p> 544</td> 545<td class="enum_member_annotations"> </td> 546</tr> 547<tr> 548<td class="enum_member_name"><p><a name="GST-GL-TEXTURE-TARGET-EXTERNAL-OES:CAPS"></a>GST_GL_TEXTURE_TARGET_EXTERNAL_OES</p></td> 549<td class="enum_member_description"> 550<p>external oes texture target</p> 551</td> 552<td class="enum_member_annotations"> </td> 553</tr> 554</tbody> 555</table></div> 556</div> 557<p class="since">Since: <a class="link" href="ix08.html#api-index-1.8">1.8</a></p> 558</div> 559<hr> 560<div class="refsect2"> 561<a name="GST-GL-TEXTURE-TARGET-2D-STR:CAPS"></a><h3>GST_GL_TEXTURE_TARGET_2D_STR</h3> 562<pre class="programlisting">#define GST_GL_TEXTURE_TARGET_2D_STR "2D" 563</pre> 564<p>String used for <a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GST-GL-TEXTURE-TARGET-2D:CAPS"><code class="literal">GST_GL_TEXTURE_TARGET_2D</code></a> in things like caps values</p> 565</div> 566<hr> 567<div class="refsect2"> 568<a name="GST-GL-TEXTURE-TARGET-RECTANGLE-STR:CAPS"></a><h3>GST_GL_TEXTURE_TARGET_RECTANGLE_STR</h3> 569<pre class="programlisting">#define GST_GL_TEXTURE_TARGET_RECTANGLE_STR "rectangle" 570</pre> 571<p>String used for <a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GST-GL-TEXTURE-TARGET-RECTANGLE:CAPS"><code class="literal">GST_GL_TEXTURE_TARGET_RECTANGLE</code></a> in things like caps values</p> 572</div> 573<hr> 574<div class="refsect2"> 575<a name="GST-GL-TEXTURE-TARGET-EXTERNAL-OES-STR:CAPS"></a><h3>GST_GL_TEXTURE_TARGET_EXTERNAL_OES_STR</h3> 576<pre class="programlisting">#define GST_GL_TEXTURE_TARGET_EXTERNAL_OES_STR "external-oes" 577</pre> 578<p>String used for <a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GST-GL-TEXTURE-TARGET-EXTERNAL-OES:CAPS"><code class="literal">GST_GL_TEXTURE_TARGET_EXTERNAL_OES</code></a> in things like caps values</p> 579</div> 580<hr> 581<div class="refsect2"> 582<a name="GST-BUFFER-POOL-OPTION-GL-TEXTURE-TARGET-2D:CAPS"></a><h3>GST_BUFFER_POOL_OPTION_GL_TEXTURE_TARGET_2D</h3> 583<pre class="programlisting">#define GST_BUFFER_POOL_OPTION_GL_TEXTURE_TARGET_2D "GstBufferPoolOptionGLTextureTarget2D" 584</pre> 585<p>String used for <a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GST-GL-TEXTURE-TARGET-2D:CAPS"><code class="literal">GST_GL_TEXTURE_TARGET_2D</code></a> as a <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstBufferPool.html#GstBufferPool-struct"><span class="type">GstBufferPool</span></a> pool option</p> 586</div> 587<hr> 588<div class="refsect2"> 589<a name="GST-BUFFER-POOL-OPTION-GL-TEXTURE-TARGET-RECTANGLE:CAPS"></a><h3>GST_BUFFER_POOL_OPTION_GL_TEXTURE_TARGET_RECTANGLE</h3> 590<pre class="programlisting">#define GST_BUFFER_POOL_OPTION_GL_TEXTURE_TARGET_RECTANGLE "GstBufferPoolOptionGLTextureTargetRectangle" 591</pre> 592<p>String used for <a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GST-GL-TEXTURE-TARGET-RECTANGLE:CAPS"><code class="literal">GST_GL_TEXTURE_TARGET_RECTANGLE</code></a> as a <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstBufferPool.html#GstBufferPool-struct"><span class="type">GstBufferPool</span></a> pool option</p> 593</div> 594<hr> 595<div class="refsect2"> 596<a name="GST-BUFFER-POOL-OPTION-GL-TEXTURE-TARGET-EXTERNAL-OES:CAPS"></a><h3>GST_BUFFER_POOL_OPTION_GL_TEXTURE_TARGET_EXTERNAL_OES</h3> 597<pre class="programlisting">#define GST_BUFFER_POOL_OPTION_GL_TEXTURE_TARGET_EXTERNAL_OES "GstBufferPoolOptionGLTextureTargetExternalOES" 598</pre> 599<p>String used for <a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GST-GL-TEXTURE-TARGET-EXTERNAL-OES:CAPS"><code class="literal">GST_GL_TEXTURE_TARGET_EXTERNAL_OES</code></a> as a <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstBufferPool.html#GstBufferPool-struct"><span class="type">GstBufferPool</span></a> pool option</p> 600</div> 601<hr> 602<div class="refsect2"> 603<a name="GstGLFormat"></a><h3>enum GstGLFormat</h3> 604<div class="refsect3"> 605<a name="GstGLFormat.members"></a><h4>Members</h4> 606<div class="informaltable"><table class="informaltable" width="100%" border="0"> 607<colgroup> 608<col width="300px" class="enum_members_name"> 609<col class="enum_members_description"> 610<col width="200px" class="enum_members_annotations"> 611</colgroup> 612<tbody> 613<tr> 614<td class="enum_member_name"><p><a name="GST-GL-LUMINANCE:CAPS"></a>GST_GL_LUMINANCE</p></td> 615<td class="enum_member_description"> 616<p>Single component replicated across R, G, and B textures 617 components</p> 618</td> 619<td class="enum_member_annotations"> </td> 620</tr> 621<tr> 622<td class="enum_member_name"><p><a name="GST-GL-ALPHA:CAPS"></a>GST_GL_ALPHA</p></td> 623<td class="enum_member_description"> 624<p>Single component stored in the A texture component</p> 625</td> 626<td class="enum_member_annotations"> </td> 627</tr> 628<tr> 629<td class="enum_member_name"><p><a name="GST-GL-LUMINANCE-ALPHA:CAPS"></a>GST_GL_LUMINANCE_ALPHA</p></td> 630<td class="enum_member_description"> 631<p>Combination of <a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GST-GL-LUMINANCE:CAPS"><span class="type">GST_GL_LUMINANCE</span></a> and <a class="link" href="gst-plugins-base-libs-OpenGL-Formats.html#GST-GL-ALPHA:CAPS"><span class="type">GST_GL_ALPHA</span></a></p> 632</td> 633<td class="enum_member_annotations"> </td> 634</tr> 635<tr> 636<td class="enum_member_name"><p><a name="GST-GL-RED:CAPS"></a>GST_GL_RED</p></td> 637<td class="enum_member_description"> 638<p>Single component stored in the R texture component</p> 639</td> 640<td class="enum_member_annotations"> </td> 641</tr> 642<tr> 643<td class="enum_member_name"><p><a name="GST-GL-R8:CAPS"></a>GST_GL_R8</p></td> 644<td class="enum_member_description"> 645<p>Single 8-bit component stored in the R texture component</p> 646</td> 647<td class="enum_member_annotations"> </td> 648</tr> 649<tr> 650<td class="enum_member_name"><p><a name="GST-GL-RG:CAPS"></a>GST_GL_RG</p></td> 651<td class="enum_member_description"> 652<p>Two components stored in the R and G texture components</p> 653</td> 654<td class="enum_member_annotations"> </td> 655</tr> 656<tr> 657<td class="enum_member_name"><p><a name="GST-GL-RG8:CAPS"></a>GST_GL_RG8</p></td> 658<td class="enum_member_description"> 659<p>Two 8-bit components stored in the R and G texture components</p> 660</td> 661<td class="enum_member_annotations"> </td> 662</tr> 663<tr> 664<td class="enum_member_name"><p><a name="GST-GL-RGB:CAPS"></a>GST_GL_RGB</p></td> 665<td class="enum_member_description"> 666<p>Three components stored in the R, G, and B texture components</p> 667</td> 668<td class="enum_member_annotations"> </td> 669</tr> 670<tr> 671<td class="enum_member_name"><p><a name="GST-GL-RGB8:CAPS"></a>GST_GL_RGB8</p></td> 672<td class="enum_member_description"> 673<p>Three 8-bit components stored in the R, G, and B 674 texture components</p> 675</td> 676<td class="enum_member_annotations"> </td> 677</tr> 678<tr> 679<td class="enum_member_name"><p><a name="GST-GL-RGB565:CAPS"></a>GST_GL_RGB565</p></td> 680<td class="enum_member_description"> 681<p>Three components of bit depth 5, 6 and 5 stored in the R, G, 682 and B texture components respectively.</p> 683</td> 684<td class="enum_member_annotations"> </td> 685</tr> 686<tr> 687<td class="enum_member_name"><p><a name="GST-GL-RGB16:CAPS"></a>GST_GL_RGB16</p></td> 688<td class="enum_member_description"> 689<p>Three 16-bit components stored in the R, G, and B 690 texture components</p> 691</td> 692<td class="enum_member_annotations"> </td> 693</tr> 694<tr> 695<td class="enum_member_name"><p><a name="GST-GL-RGBA:CAPS"></a>GST_GL_RGBA</p></td> 696<td class="enum_member_description"> 697<p>Four components stored in the R, G, B, and A texture 698 components respectively.</p> 699</td> 700<td class="enum_member_annotations"> </td> 701</tr> 702<tr> 703<td class="enum_member_name"><p><a name="GST-GL-RGBA8:CAPS"></a>GST_GL_RGBA8</p></td> 704<td class="enum_member_description"> 705<p>Four 8-bit components stored in the R, G, B, and A texture 706 components respectively.</p> 707</td> 708<td class="enum_member_annotations"> </td> 709</tr> 710<tr> 711<td class="enum_member_name"><p><a name="GST-GL-RGBA16:CAPS"></a>GST_GL_RGBA16</p></td> 712<td class="enum_member_description"> 713<p>Four 16-bit components stored in the R, G, B, and A texture 714 components respectively.</p> 715</td> 716<td class="enum_member_annotations"> </td> 717</tr> 718<tr> 719<td class="enum_member_name"><p><a name="GST-GL-DEPTH-COMPONENT16:CAPS"></a>GST_GL_DEPTH_COMPONENT16</p></td> 720<td class="enum_member_description"> 721<p>A single 16-bit component for depth information.</p> 722</td> 723<td class="enum_member_annotations"> </td> 724</tr> 725<tr> 726<td class="enum_member_name"><p><a name="GST-GL-DEPTH24-STENCIL8:CAPS"></a>GST_GL_DEPTH24_STENCIL8</p></td> 727<td class="enum_member_description"> 728<p>A 24-bit component for depth information and 729 a 8-bit component for stencil informat.</p> 730</td> 731<td class="enum_member_annotations"> </td> 732</tr> 733</tbody> 734</table></div> 735</div> 736</div> 737</div> 738<div class="refsect1"> 739<a name="gst-plugins-base-libs-OpenGL-Formats.see-also"></a><h2>See Also</h2> 740<p><a class="link" href="gst-plugins-base-libs-GstGLBaseMemory.html#GstGLBaseMemory" title="GstGLBaseMemory"><span class="type">GstGLBaseMemory</span></a>, <a class="link" href="gst-plugins-base-libs-GstGLMemory.html#GstGLMemory" title="GstGLMemory"><span class="type">GstGLMemory</span></a>, <a class="link" href="GstGLFramebuffer.html" title="GstGLFramebuffer"><span class="type">GstGLFramebuffer</span></a>, <a class="link" href="gst-plugins-base-libs-GstGLBuffer.html#GstGLBuffer" title="GstGLBuffer"><span class="type">GstGLBuffer</span></a></p> 741</div> 742</div> 743<div class="footer"> 744<hr>Generated by GTK-Doc V1.28</div> 745</body> 746</html>
