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>GstVideoResampler: 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="gstreamer-video.html" title="Video Library"> 9<link rel="prev" href="gst-plugins-base-libs-GstVideoChroma.html" title="GstVideoChromaResample"> 10<link rel="next" href="gst-plugins-base-libs-GstVideoScaler.html" title="GstVideoScaler"> 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-GstVideoResampler.description" class="shortcut">Description</a></span> 19</td> 20<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> 21<td><a accesskey="u" href="gstreamer-video.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> 22<td><a accesskey="p" href="gst-plugins-base-libs-GstVideoChroma.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> 23<td><a accesskey="n" href="gst-plugins-base-libs-GstVideoScaler.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> 24</tr></table> 25<div class="refentry"> 26<a name="gst-plugins-base-libs-GstVideoResampler"></a><div class="titlepage"></div> 27<div class="refnamediv"><table width="100%"><tr> 28<td valign="top"> 29<h2><span class="refentrytitle"><a name="gst-plugins-base-libs-GstVideoResampler.top_of_page"></a>GstVideoResampler</span></h2> 30<p>GstVideoResampler — Utility structure for resampler information</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-GstVideoResampler.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<span class="returnvalue">void</span> 45</td> 46<td class="function_name"> 47<a class="link" href="gst-plugins-base-libs-GstVideoResampler.html#gst-video-resampler-clear" title="gst_video_resampler_clear ()">gst_video_resampler_clear</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#gboolean"><span class="returnvalue">gboolean</span></a> 53</td> 54<td class="function_name"> 55<a class="link" href="gst-plugins-base-libs-GstVideoResampler.html#gst-video-resampler-init" title="gst_video_resampler_init ()">gst_video_resampler_init</a> <span class="c_punctuation">()</span> 56</td> 57</tr> 58</tbody> 59</table></div> 60</div> 61<div class="refsect1"> 62<a name="gst-plugins-base-libs-GstVideoResampler.other"></a><h2>Types and Values</h2> 63<div class="informaltable"><table class="informaltable" width="100%" border="0"> 64<colgroup> 65<col width="150px" class="name"> 66<col class="description"> 67</colgroup> 68<tbody> 69<tr> 70<td class="datatype_keyword">struct</td> 71<td class="function_name"><a class="link" href="gst-plugins-base-libs-GstVideoResampler.html#GstVideoResampler" title="struct GstVideoResampler">GstVideoResampler</a></td> 72</tr> 73<tr> 74<td class="datatype_keyword">enum</td> 75<td class="function_name"><a class="link" href="gst-plugins-base-libs-GstVideoResampler.html#GstVideoResamplerFlags" title="enum GstVideoResamplerFlags">GstVideoResamplerFlags</a></td> 76</tr> 77<tr> 78<td class="datatype_keyword">enum</td> 79<td class="function_name"><a class="link" href="gst-plugins-base-libs-GstVideoResampler.html#GstVideoResamplerMethod" title="enum GstVideoResamplerMethod">GstVideoResamplerMethod</a></td> 80</tr> 81<tr> 82<td class="define_keyword">#define</td> 83<td class="function_name"><a class="link" href="gst-plugins-base-libs-GstVideoResampler.html#GST-VIDEO-RESAMPLER-OPT-CUBIC-B:CAPS" title="GST_VIDEO_RESAMPLER_OPT_CUBIC_B">GST_VIDEO_RESAMPLER_OPT_CUBIC_B</a></td> 84</tr> 85<tr> 86<td class="define_keyword">#define</td> 87<td class="function_name"><a class="link" href="gst-plugins-base-libs-GstVideoResampler.html#GST-VIDEO-RESAMPLER-OPT-CUBIC-C:CAPS" title="GST_VIDEO_RESAMPLER_OPT_CUBIC_C">GST_VIDEO_RESAMPLER_OPT_CUBIC_C</a></td> 88</tr> 89<tr> 90<td class="define_keyword">#define</td> 91<td class="function_name"><a class="link" href="gst-plugins-base-libs-GstVideoResampler.html#GST-VIDEO-RESAMPLER-OPT-ENVELOPE:CAPS" title="GST_VIDEO_RESAMPLER_OPT_ENVELOPE">GST_VIDEO_RESAMPLER_OPT_ENVELOPE</a></td> 92</tr> 93<tr> 94<td class="define_keyword">#define</td> 95<td class="function_name"><a class="link" href="gst-plugins-base-libs-GstVideoResampler.html#GST-VIDEO-RESAMPLER-OPT-MAX-TAPS:CAPS" title="GST_VIDEO_RESAMPLER_OPT_MAX_TAPS">GST_VIDEO_RESAMPLER_OPT_MAX_TAPS</a></td> 96</tr> 97<tr> 98<td class="define_keyword">#define</td> 99<td class="function_name"><a class="link" href="gst-plugins-base-libs-GstVideoResampler.html#GST-VIDEO-RESAMPLER-OPT-SHARPEN:CAPS" title="GST_VIDEO_RESAMPLER_OPT_SHARPEN">GST_VIDEO_RESAMPLER_OPT_SHARPEN</a></td> 100</tr> 101<tr> 102<td class="define_keyword">#define</td> 103<td class="function_name"><a class="link" href="gst-plugins-base-libs-GstVideoResampler.html#GST-VIDEO-RESAMPLER-OPT-SHARPNESS:CAPS" title="GST_VIDEO_RESAMPLER_OPT_SHARPNESS">GST_VIDEO_RESAMPLER_OPT_SHARPNESS</a></td> 104</tr> 105</tbody> 106</table></div> 107</div> 108<div class="refsect1"> 109<a name="gst-plugins-base-libs-GstVideoResampler.includes"></a><h2>Includes</h2> 110<pre class="synopsis">#include <gst/video/video.h> 111</pre> 112</div> 113<div class="refsect1"> 114<a name="gst-plugins-base-libs-GstVideoResampler.description"></a><h2>Description</h2> 115<p><a class="link" href="gst-plugins-base-libs-GstVideoResampler.html#GstVideoResampler" title="struct GstVideoResampler"><span class="type">GstVideoResampler</span></a> is a structure which holds the information 116required to perform various kinds of resampling filtering.</p> 117</div> 118<div class="refsect1"> 119<a name="gst-plugins-base-libs-GstVideoResampler.functions_details"></a><h2>Functions</h2> 120<div class="refsect2"> 121<a name="gst-video-resampler-clear"></a><h3>gst_video_resampler_clear ()</h3> 122<pre class="programlisting"><span class="returnvalue">void</span> 123gst_video_resampler_clear (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-GstVideoResampler.html#GstVideoResampler" title="struct GstVideoResampler"><span class="type">GstVideoResampler</span></a> *resampler</code></em>);</pre> 124<p>Clear a previously initialized <a class="link" href="gst-plugins-base-libs-GstVideoResampler.html#GstVideoResampler" title="struct GstVideoResampler"><span class="type">GstVideoResampler</span></a> <em class="parameter"><code>resampler</code></em> 125.</p> 126<div class="refsect3"> 127<a name="gst-video-resampler-clear.parameters"></a><h4>Parameters</h4> 128<div class="informaltable"><table class="informaltable" width="100%" border="0"> 129<colgroup> 130<col width="150px" class="parameters_name"> 131<col class="parameters_description"> 132<col width="200px" class="parameters_annotations"> 133</colgroup> 134<tbody><tr> 135<td class="parameter_name"><p>resampler</p></td> 136<td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-GstVideoResampler.html#GstVideoResampler" title="struct GstVideoResampler"><span class="type">GstVideoResampler</span></a></p></td> 137<td class="parameter_annotations"> </td> 138</tr></tbody> 139</table></div> 140</div> 141<p class="since">Since: <a class="link" href="ix10.html#api-index-1.6">1.6</a></p> 142</div> 143<hr> 144<div class="refsect2"> 145<a name="gst-video-resampler-init"></a><h3>gst_video_resampler_init ()</h3> 146<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> 147gst_video_resampler_init (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-GstVideoResampler.html#GstVideoResampler" title="struct GstVideoResampler"><span class="type">GstVideoResampler</span></a> *resampler</code></em>, 148 <em class="parameter"><code><a class="link" href="gst-plugins-base-libs-GstVideoResampler.html#GstVideoResamplerMethod" title="enum GstVideoResamplerMethod"><span class="type">GstVideoResamplerMethod</span></a> method</code></em>, 149 <em class="parameter"><code><a class="link" href="gst-plugins-base-libs-GstVideoResampler.html#GstVideoResamplerFlags" title="enum GstVideoResamplerFlags"><span class="type">GstVideoResamplerFlags</span></a> flags</code></em>, 150 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> n_phases</code></em>, 151 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> n_taps</code></em>, 152 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> shift</code></em>, 153 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> in_size</code></em>, 154 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> out_size</code></em>, 155 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstStructure.html#GstStructure-struct"><span class="type">GstStructure</span></a> *options</code></em>);</pre> 156</div> 157</div> 158<div class="refsect1"> 159<a name="gst-plugins-base-libs-GstVideoResampler.other_details"></a><h2>Types and Values</h2> 160<div class="refsect2"> 161<a name="GstVideoResampler"></a><h3>struct GstVideoResampler</h3> 162<pre class="programlisting">struct GstVideoResampler { 163 gint in_size; 164 gint out_size; 165 guint max_taps; 166 guint n_phases; 167 guint32 *offset; 168 guint32 *phase; 169 guint32 *n_taps; 170 gdouble *taps; 171}; 172</pre> 173<p>A structure holding resampler information.</p> 174<div class="refsect3"> 175<a name="GstVideoResampler.members"></a><h4>Members</h4> 176<div class="informaltable"><table class="informaltable" width="100%" border="0"> 177<colgroup> 178<col width="300px" class="struct_members_name"> 179<col class="struct_members_description"> 180<col width="200px" class="struct_members_annotations"> 181</colgroup> 182<tbody> 183<tr> 184<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstVideoResampler.in-size"></a>in_size</code></em>;</p></td> 185<td class="struct_member_description"><p>the input size</p></td> 186<td class="struct_member_annotations"> </td> 187</tr> 188<tr> 189<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstVideoResampler.out-size"></a>out_size</code></em>;</p></td> 190<td class="struct_member_description"><p>the output size</p></td> 191<td class="struct_member_annotations"> </td> 192</tr> 193<tr> 194<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="GstVideoResampler.max-taps"></a>max_taps</code></em>;</p></td> 195<td class="struct_member_description"><p>the maximum number of taps</p></td> 196<td class="struct_member_annotations"> </td> 197</tr> 198<tr> 199<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="GstVideoResampler.n-phases"></a>n_phases</code></em>;</p></td> 200<td class="struct_member_description"><p>the number of phases</p></td> 201<td class="struct_member_annotations"> </td> 202</tr> 203<tr> 204<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> *<em class="structfield"><code><a name="GstVideoResampler.offset"></a>offset</code></em>;</p></td> 205<td class="struct_member_description"><p>array with the source offset for each output element</p></td> 206<td class="struct_member_annotations"> </td> 207</tr> 208<tr> 209<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> *<em class="structfield"><code><a name="GstVideoResampler.phase"></a>phase</code></em>;</p></td> 210<td class="struct_member_description"><p>array with the phase to use for each output element</p></td> 211<td class="struct_member_annotations"> </td> 212</tr> 213<tr> 214<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> *<em class="structfield"><code><a name="GstVideoResampler.n-taps"></a>n_taps</code></em>;</p></td> 215<td class="struct_member_description"><p>array with new number of taps for each phase</p></td> 216<td class="struct_member_annotations"> </td> 217</tr> 218<tr> 219<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *<em class="structfield"><code><a name="GstVideoResampler.taps"></a>taps</code></em>;</p></td> 220<td class="struct_member_description"><p>the taps for all phases</p></td> 221<td class="struct_member_annotations"> </td> 222</tr> 223</tbody> 224</table></div> 225</div> 226<p class="since">Since: <a class="link" href="ix10.html#api-index-1.6">1.6</a></p> 227</div> 228<hr> 229<div class="refsect2"> 230<a name="GstVideoResamplerFlags"></a><h3>enum GstVideoResamplerFlags</h3> 231<p>Different resampler flags.</p> 232<div class="refsect3"> 233<a name="GstVideoResamplerFlags.members"></a><h4>Members</h4> 234<div class="informaltable"><table class="informaltable" width="100%" border="0"> 235<colgroup> 236<col width="300px" class="enum_members_name"> 237<col class="enum_members_description"> 238<col width="200px" class="enum_members_annotations"> 239</colgroup> 240<tbody> 241<tr> 242<td class="enum_member_name"><p><a name="GST-VIDEO-RESAMPLER-FLAG-NONE:CAPS"></a>GST_VIDEO_RESAMPLER_FLAG_NONE</p></td> 243<td class="enum_member_description"> 244<p>no flags</p> 245</td> 246<td class="enum_member_annotations"> </td> 247</tr> 248<tr> 249<td class="enum_member_name"><p><a name="GST-VIDEO-RESAMPLER-FLAG-HALF-TAPS:CAPS"></a>GST_VIDEO_RESAMPLER_FLAG_HALF_TAPS</p></td> 250<td class="enum_member_description"> 251<p>when no taps are given, half the 252 number of calculated taps. This can be used when making scalers 253 for the different fields of an interlaced picture. Since: 1.10</p> 254</td> 255<td class="enum_member_annotations"> </td> 256</tr> 257</tbody> 258</table></div> 259</div> 260<p class="since">Since: <a class="link" href="ix10.html#api-index-1.6">1.6</a></p> 261</div> 262<hr> 263<div class="refsect2"> 264<a name="GstVideoResamplerMethod"></a><h3>enum GstVideoResamplerMethod</h3> 265<p>Different subsampling and upsampling methods</p> 266<div class="refsect3"> 267<a name="GstVideoResamplerMethod.members"></a><h4>Members</h4> 268<div class="informaltable"><table class="informaltable" width="100%" border="0"> 269<colgroup> 270<col width="300px" class="enum_members_name"> 271<col class="enum_members_description"> 272<col width="200px" class="enum_members_annotations"> 273</colgroup> 274<tbody> 275<tr> 276<td class="enum_member_name"><p><a name="GST-VIDEO-RESAMPLER-METHOD-NEAREST:CAPS"></a>GST_VIDEO_RESAMPLER_METHOD_NEAREST</p></td> 277<td class="enum_member_description"> 278<p>Duplicates the samples when 279 upsampling and drops when downsampling</p> 280</td> 281<td class="enum_member_annotations"> </td> 282</tr> 283<tr> 284<td class="enum_member_name"><p><a name="GST-VIDEO-RESAMPLER-METHOD-LINEAR:CAPS"></a>GST_VIDEO_RESAMPLER_METHOD_LINEAR</p></td> 285<td class="enum_member_description"> 286<p>Uses linear interpolation to reconstruct 287 missing samples and averaging to downsample</p> 288</td> 289<td class="enum_member_annotations"> </td> 290</tr> 291<tr> 292<td class="enum_member_name"><p><a name="GST-VIDEO-RESAMPLER-METHOD-CUBIC:CAPS"></a>GST_VIDEO_RESAMPLER_METHOD_CUBIC</p></td> 293<td class="enum_member_description"> 294<p>Uses cubic interpolation</p> 295</td> 296<td class="enum_member_annotations"> </td> 297</tr> 298<tr> 299<td class="enum_member_name"><p><a name="GST-VIDEO-RESAMPLER-METHOD-SINC:CAPS"></a>GST_VIDEO_RESAMPLER_METHOD_SINC</p></td> 300<td class="enum_member_description"> 301<p>Uses sinc interpolation</p> 302</td> 303<td class="enum_member_annotations"> </td> 304</tr> 305<tr> 306<td class="enum_member_name"><p><a name="GST-VIDEO-RESAMPLER-METHOD-LANCZOS:CAPS"></a>GST_VIDEO_RESAMPLER_METHOD_LANCZOS</p></td> 307<td class="enum_member_description"> 308<p>Uses lanczos interpolation</p> 309</td> 310<td class="enum_member_annotations"> </td> 311</tr> 312</tbody> 313</table></div> 314</div> 315<p class="since">Since: <a class="link" href="ix10.html#api-index-1.6">1.6</a></p> 316</div> 317<hr> 318<div class="refsect2"> 319<a name="GST-VIDEO-RESAMPLER-OPT-CUBIC-B:CAPS"></a><h3>GST_VIDEO_RESAMPLER_OPT_CUBIC_B</h3> 320<pre class="programlisting">#define GST_VIDEO_RESAMPLER_OPT_CUBIC_B "GstVideoResampler.cubic-b" 321</pre> 322<p>G_TYPE_DOUBLE, B parameter of the cubic filter. The B 323parameter controls the bluriness. Values between 0.0 and 3242.0 are accepted. 1/3 is the default.</p> 325<p>Below are some values of popular filters: 326 B C 327Hermite 0.0 0.0 328Spline 1.0 0.0 329Catmull-Rom 0.0 1/2 330Mitchell 1/3 1/3 331Robidoux 0.3782 0.3109 332Robidoux 333 Sharp 0.2620 0.3690 334Robidoux 335 Soft 0.6796 0.1602</p> 336</div> 337<hr> 338<div class="refsect2"> 339<a name="GST-VIDEO-RESAMPLER-OPT-CUBIC-C:CAPS"></a><h3>GST_VIDEO_RESAMPLER_OPT_CUBIC_C</h3> 340<pre class="programlisting">#define GST_VIDEO_RESAMPLER_OPT_CUBIC_C "GstVideoResampler.cubic-c" 341</pre> 342<p>G_TYPE_DOUBLE, C parameter of the cubic filter. The C 343parameter controls the Keys alpha value. Values between 0.0 and 3442.0 are accepted. 1/3 is the default.</p> 345<p>See <a class="link" href="gst-plugins-base-libs-GstVideoResampler.html#GST-VIDEO-RESAMPLER-OPT-CUBIC-B:CAPS" title="GST_VIDEO_RESAMPLER_OPT_CUBIC_B"><span class="type">GST_VIDEO_RESAMPLER_OPT_CUBIC_B</span></a> for some more common values</p> 346</div> 347<hr> 348<div class="refsect2"> 349<a name="GST-VIDEO-RESAMPLER-OPT-ENVELOPE:CAPS"></a><h3>GST_VIDEO_RESAMPLER_OPT_ENVELOPE</h3> 350<pre class="programlisting">#define GST_VIDEO_RESAMPLER_OPT_ENVELOPE "GstVideoResampler.envelope" 351</pre> 352<p>G_TYPE_DOUBLE, specifies the size of filter envelope for 353<em class="parameter"><code>GST_VIDEO_RESAMPLER_METHOD_LANCZOS</code></em> 354. values are clamped between 3551.0 and 5.0. 2.0 is the default.</p> 356</div> 357<hr> 358<div class="refsect2"> 359<a name="GST-VIDEO-RESAMPLER-OPT-MAX-TAPS:CAPS"></a><h3>GST_VIDEO_RESAMPLER_OPT_MAX_TAPS</h3> 360<pre class="programlisting">#define GST_VIDEO_RESAMPLER_OPT_MAX_TAPS "GstVideoResampler.max-taps" 361</pre> 362<p>G_TYPE_INT, limits the maximum number of taps to use. 36316 is the default.</p> 364</div> 365<hr> 366<div class="refsect2"> 367<a name="GST-VIDEO-RESAMPLER-OPT-SHARPEN:CAPS"></a><h3>GST_VIDEO_RESAMPLER_OPT_SHARPEN</h3> 368<pre class="programlisting">#define GST_VIDEO_RESAMPLER_OPT_SHARPEN "GstVideoResampler.sharpen" 369</pre> 370<p>G_TYPE_DOUBLE, specifies sharpening of the filter for 371<em class="parameter"><code>GST_VIDEO_RESAMPLER_METHOD_LANCZOS</code></em> 372. values are clamped between 3730.0 and 1.0. 0.0 is the default.</p> 374</div> 375<hr> 376<div class="refsect2"> 377<a name="GST-VIDEO-RESAMPLER-OPT-SHARPNESS:CAPS"></a><h3>GST_VIDEO_RESAMPLER_OPT_SHARPNESS</h3> 378<pre class="programlisting">#define GST_VIDEO_RESAMPLER_OPT_SHARPNESS "GstVideoResampler.sharpness" 379</pre> 380<p>G_TYPE_DOUBLE, specifies sharpness of the filter for 381<em class="parameter"><code>GST_VIDEO_RESAMPLER_METHOD_LANCZOS</code></em> 382. values are clamped between 3830.5 and 1.5. 1.0 is the default.</p> 384</div> 385</div> 386</div> 387<div class="footer"> 388<hr>Generated by GTK-Doc V1.28</div> 389</body> 390</html>