| <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> |
| <html> |
| <head> |
| <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> |
| <title>GstVideoChroma: GStreamer Base Plugins 1.0 Library Reference Manual</title> |
| <meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> |
| <link rel="home" href="index.html" title="GStreamer Base Plugins 1.0 Library Reference Manual"> |
| <link rel="up" href="gstreamer-video.html" title="Video Library"> |
| <link rel="prev" href="gst-plugins-base-libs-GstVideoDither.html" title="GstVideoDither"> |
| <link rel="next" href="gst-plugins-base-libs-GstVideoResampler.html" title="GstVideoResampler"> |
| <meta name="generator" content="GTK-Doc V1.25 (XML mode)"> |
| <link rel="stylesheet" href="style.css" type="text/css"> |
| </head> |
| <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> |
| <table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle"> |
| <td width="100%" align="left" class="shortcuts"> |
| <a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span> |
| <a href="#gst-plugins-base-libs-GstVideoChroma.description" class="shortcut">Description</a></span> |
| </td> |
| <td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> |
| <td><a accesskey="u" href="gstreamer-video.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> |
| <td><a accesskey="p" href="gst-plugins-base-libs-GstVideoDither.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> |
| <td><a accesskey="n" href="gst-plugins-base-libs-GstVideoResampler.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> |
| </tr></table> |
| <div class="refentry"> |
| <a name="gst-plugins-base-libs-GstVideoChroma"></a><div class="titlepage"></div> |
| <div class="refnamediv"><table width="100%"><tr> |
| <td valign="top"> |
| <h2><span class="refentrytitle"><a name="gst-plugins-base-libs-GstVideoChroma.top_of_page"></a>GstVideoChroma</span></h2> |
| <p>GstVideoChroma — Functions and utility object for operating on chroma video planes</p> |
| </td> |
| <td class="gallery_image" valign="top" align="right"></td> |
| </tr></table></div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-GstVideoChroma.functions"></a><h2>Functions</h2> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="functions_return"> |
| <col class="functions_name"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#GstVideoChromaSite" title="enum GstVideoChromaSite"><span class="returnvalue">GstVideoChromaSite</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#gst-video-chroma-from-string" title="gst_video_chroma_from_string ()">gst_video_chroma_from_string</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type">const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#gst-video-chroma-to-string" title="gst_video_chroma_to_string ()">gst_video_chroma_to_string</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#gst-video-chroma-resample" title="gst_video_chroma_resample ()">gst_video_chroma_resample</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#gst-video-chroma-resample-free" title="gst_video_chroma_resample_free ()">gst_video_chroma_resample_free</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#gst-video-chroma-resample-get-info" title="gst_video_chroma_resample_get_info ()">gst_video_chroma_resample_get_info</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#GstVideoChromaResample" title="GstVideoChromaResample"><span class="returnvalue">GstVideoChromaResample</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#gst-video-chroma-resample-new" title="gst_video_chroma_resample_new ()">gst_video_chroma_resample_new</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-GstVideoChroma.other"></a><h2>Types and Values</h2> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="name"> |
| <col class="description"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="datatype_keyword">enum</td> |
| <td class="function_name"><a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#GstVideoChromaSite" title="enum GstVideoChromaSite">GstVideoChromaSite</a></td> |
| </tr> |
| <tr> |
| <td class="datatype_keyword">enum</td> |
| <td class="function_name"><a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#GstVideoChromaFlags" title="enum GstVideoChromaFlags">GstVideoChromaFlags</a></td> |
| </tr> |
| <tr> |
| <td class="datatype_keyword">enum</td> |
| <td class="function_name"><a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#GstVideoChromaMethod" title="enum GstVideoChromaMethod">GstVideoChromaMethod</a></td> |
| </tr> |
| <tr> |
| <td class="datatype_keyword"> </td> |
| <td class="function_name"><a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#GstVideoChromaResample" title="GstVideoChromaResample">GstVideoChromaResample</a></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-GstVideoChroma.includes"></a><h2>Includes</h2> |
| <pre class="synopsis">#include <gst/video/video-chroma.h> |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-GstVideoChroma.description"></a><h2>Description</h2> |
| <p>The functions <a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#gst-video-chroma-from-string" title="gst_video_chroma_from_string ()"><code class="function">gst_video_chroma_from_string()</code></a> and <a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#gst-video-chroma-to-string" title="gst_video_chroma_to_string ()"><code class="function">gst_video_chroma_to_string()</code></a> convert |
| between <a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#GstVideoChromaSite" title="enum GstVideoChromaSite"><span class="type">GstVideoChromaSite</span></a> and string descriptions.</p> |
| <p><a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#GstVideoChromaResample" title="GstVideoChromaResample"><span class="type">GstVideoChromaResample</span></a> is a utility object for resampling chroma planes |
| and converting between different chroma sampling sitings.</p> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-GstVideoChroma.functions_details"></a><h2>Functions</h2> |
| <div class="refsect2"> |
| <a name="gst-video-chroma-from-string"></a><h3>gst_video_chroma_from_string ()</h3> |
| <pre class="programlisting"><a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#GstVideoChromaSite" title="enum GstVideoChromaSite"><span class="returnvalue">GstVideoChromaSite</span></a> |
| gst_video_chroma_from_string (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *s</code></em>);</pre> |
| <p>Convert <em class="parameter"><code>s</code></em> |
| to a <a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#GstVideoChromaSite" title="enum GstVideoChromaSite"><span class="type">GstVideoChromaSite</span></a></p> |
| <div class="refsect3"> |
| <a name="gst-video-chroma-from-string.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>s</p></td> |
| <td class="parameter_description"><p>a chromasite string</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-video-chroma-from-string.returns"></a><h4>Returns</h4> |
| <p> a <a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#GstVideoChromaSite" title="enum GstVideoChromaSite"><span class="type">GstVideoChromaSite</span></a> or <a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#GST-VIDEO-CHROMA-SITE-UNKNOWN:CAPS"><code class="literal">GST_VIDEO_CHROMA_SITE_UNKNOWN</code></a> when <em class="parameter"><code>s</code></em> |
| does |
| not contain a valid chroma description.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-video-chroma-to-string"></a><h3>gst_video_chroma_to_string ()</h3> |
| <pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> * |
| gst_video_chroma_to_string (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#GstVideoChromaSite" title="enum GstVideoChromaSite"><span class="type">GstVideoChromaSite</span></a> site</code></em>);</pre> |
| <p>Converts <em class="parameter"><code>site</code></em> |
| to its string representation.</p> |
| <div class="refsect3"> |
| <a name="gst-video-chroma-to-string.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>site</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#GstVideoChromaSite" title="enum GstVideoChromaSite"><span class="type">GstVideoChromaSite</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-video-chroma-to-string.returns"></a><h4>Returns</h4> |
| <p> a string describing <em class="parameter"><code>site</code></em> |
| .</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-video-chroma-resample"></a><h3>gst_video_chroma_resample ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| gst_video_chroma_resample (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#GstVideoChromaResample" title="GstVideoChromaResample"><span class="type">GstVideoChromaResample</span></a> *resample</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> lines[]</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a> width</code></em>);</pre> |
| <p>Perform resampling of <em class="parameter"><code>width</code></em> |
| chroma pixels in <em class="parameter"><code>lines</code></em> |
| .</p> |
| <div class="refsect3"> |
| <a name="gst-video-chroma-resample.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>resample</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#GstVideoChromaResample" title="GstVideoChromaResample"><span class="type">GstVideoChromaResample</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>lines</p></td> |
| <td class="parameter_description"><p>pixel lines</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>width</p></td> |
| <td class="parameter_description"><p>the number of pixels on one line</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-video-chroma-resample-free"></a><h3>gst_video_chroma_resample_free ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| gst_video_chroma_resample_free (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#GstVideoChromaResample" title="GstVideoChromaResample"><span class="type">GstVideoChromaResample</span></a> *resample</code></em>);</pre> |
| <p>Free <em class="parameter"><code>resample</code></em> |
| </p> |
| <div class="refsect3"> |
| <a name="gst-video-chroma-resample-free.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>resample</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#GstVideoChromaResample" title="GstVideoChromaResample"><span class="type">GstVideoChromaResample</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-video-chroma-resample-get-info"></a><h3>gst_video_chroma_resample_get_info ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| gst_video_chroma_resample_get_info (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#GstVideoChromaResample" title="GstVideoChromaResample"><span class="type">GstVideoChromaResample</span></a> *resample</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#guint"><span class="type">guint</span></a> *n_lines</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a> *offset</code></em>);</pre> |
| <p>The resampler must be fed <em class="parameter"><code>n_lines</code></em> |
| at a time. The first line should be |
| at <em class="parameter"><code>offset</code></em> |
| .</p> |
| <div class="refsect3"> |
| <a name="gst-video-chroma-resample-get-info.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>resample</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#GstVideoChromaResample" title="GstVideoChromaResample"><span class="type">GstVideoChromaResample</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>n_lines</p></td> |
| <td class="parameter_description"><p>the number of input lines</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>offset</p></td> |
| <td class="parameter_description"><p>the first line</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-video-chroma-resample-new"></a><h3>gst_video_chroma_resample_new ()</h3> |
| <pre class="programlisting"><a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#GstVideoChromaResample" title="GstVideoChromaResample"><span class="returnvalue">GstVideoChromaResample</span></a> * |
| gst_video_chroma_resample_new (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#GstVideoChromaMethod" title="enum GstVideoChromaMethod"><span class="type">GstVideoChromaMethod</span></a> method</code></em>, |
| <em class="parameter"><code><a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#GstVideoChromaSite" title="enum GstVideoChromaSite"><span class="type">GstVideoChromaSite</span></a> site</code></em>, |
| <em class="parameter"><code><a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#GstVideoChromaFlags" title="enum GstVideoChromaFlags"><span class="type">GstVideoChromaFlags</span></a> flags</code></em>, |
| <em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a> format</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a> h_factor</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a> v_factor</code></em>);</pre> |
| <p>Create a new resampler object for the given parameters. When <em class="parameter"><code>h_factor</code></em> |
| or |
| <em class="parameter"><code>v_factor</code></em> |
| is > 0, upsampling will be used, otherwise subsampling is |
| performed.</p> |
| <p><span class="annotation">[<acronym title="Exposed in C code, not necessarily available in other languages."><span class="acronym">skip</span></acronym>]</span></p> |
| <div class="refsect3"> |
| <a name="gst-video-chroma-resample-new.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>method</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#GstVideoChromaMethod" title="enum GstVideoChromaMethod"><span class="type">GstVideoChromaMethod</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>site</p></td> |
| <td class="parameter_description"><p>a <a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#GstVideoChromaSite" title="enum GstVideoChromaSite"><span class="type">GstVideoChromaSite</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>flags</p></td> |
| <td class="parameter_description"><p><a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#GstVideoChromaFlags" title="enum GstVideoChromaFlags"><span class="type">GstVideoChromaFlags</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>format</p></td> |
| <td class="parameter_description"><p>the <a class="link" href="gst-plugins-base-libs-gstvideo.html#GstVideoFormat" title="enum GstVideoFormat"><span class="type">GstVideoFormat</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>h_factor</p></td> |
| <td class="parameter_description"><p>horizontal resampling factor</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>v_factor</p></td> |
| <td class="parameter_description"><p>vertical resampling factor</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-video-chroma-resample-new.returns"></a><h4>Returns</h4> |
| <p> a new <a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#GstVideoChromaResample" title="GstVideoChromaResample"><span class="type">GstVideoChromaResample</span></a> that should be freed with |
| <a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#gst-video-chroma-resample-free" title="gst_video_chroma_resample_free ()"><code class="function">gst_video_chroma_resample_free()</code></a> after usage.</p> |
| </div> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-GstVideoChroma.other_details"></a><h2>Types and Values</h2> |
| <div class="refsect2"> |
| <a name="GstVideoChromaSite"></a><h3>enum GstVideoChromaSite</h3> |
| <p>Various Chroma sitings.</p> |
| <div class="refsect3"> |
| <a name="GstVideoChromaSite.members"></a><h4>Members</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="300px" class="enum_members_name"> |
| <col class="enum_members_description"> |
| <col width="200px" class="enum_members_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-VIDEO-CHROMA-SITE-UNKNOWN:CAPS"></a>GST_VIDEO_CHROMA_SITE_UNKNOWN</p></td> |
| <td class="enum_member_description"> |
| <p>unknown cositing</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-VIDEO-CHROMA-SITE-NONE:CAPS"></a>GST_VIDEO_CHROMA_SITE_NONE</p></td> |
| <td class="enum_member_description"> |
| <p>no cositing</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-VIDEO-CHROMA-SITE-H-COSITED:CAPS"></a>GST_VIDEO_CHROMA_SITE_H_COSITED</p></td> |
| <td class="enum_member_description"> |
| <p>chroma is horizontally cosited</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-VIDEO-CHROMA-SITE-V-COSITED:CAPS"></a>GST_VIDEO_CHROMA_SITE_V_COSITED</p></td> |
| <td class="enum_member_description"> |
| <p>chroma is vertically cosited</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-VIDEO-CHROMA-SITE-ALT-LINE:CAPS"></a>GST_VIDEO_CHROMA_SITE_ALT_LINE</p></td> |
| <td class="enum_member_description"> |
| <p>choma samples are sited on alternate lines</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-VIDEO-CHROMA-SITE-COSITED:CAPS"></a>GST_VIDEO_CHROMA_SITE_COSITED</p></td> |
| <td class="enum_member_description"> |
| <p>chroma samples cosited with luma samples</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-VIDEO-CHROMA-SITE-JPEG:CAPS"></a>GST_VIDEO_CHROMA_SITE_JPEG</p></td> |
| <td class="enum_member_description"> |
| <p>jpeg style cositing, also for mpeg1 and mjpeg</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-VIDEO-CHROMA-SITE-MPEG2:CAPS"></a>GST_VIDEO_CHROMA_SITE_MPEG2</p></td> |
| <td class="enum_member_description"> |
| <p>mpeg2 style cositing</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-VIDEO-CHROMA-SITE-DV:CAPS"></a>GST_VIDEO_CHROMA_SITE_DV</p></td> |
| <td class="enum_member_description"> |
| <p>DV style cositing</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstVideoChromaFlags"></a><h3>enum GstVideoChromaFlags</h3> |
| <p>Extra flags that influence the result from <a class="link" href="gst-plugins-base-libs-GstVideoChroma.html#gst-video-chroma-resample-new" title="gst_video_chroma_resample_new ()"><code class="function">gst_video_chroma_resample_new()</code></a>.</p> |
| <div class="refsect3"> |
| <a name="GstVideoChromaFlags.members"></a><h4>Members</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="300px" class="enum_members_name"> |
| <col class="enum_members_description"> |
| <col width="200px" class="enum_members_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-VIDEO-CHROMA-FLAG-NONE:CAPS"></a>GST_VIDEO_CHROMA_FLAG_NONE</p></td> |
| <td class="enum_member_description"> |
| <p>no flags</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-VIDEO-CHROMA-FLAG-INTERLACED:CAPS"></a>GST_VIDEO_CHROMA_FLAG_INTERLACED</p></td> |
| <td class="enum_member_description"> |
| <p>the input is interlaced</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstVideoChromaMethod"></a><h3>enum GstVideoChromaMethod</h3> |
| <p>Different subsampling and upsampling methods</p> |
| <div class="refsect3"> |
| <a name="GstVideoChromaMethod.members"></a><h4>Members</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="300px" class="enum_members_name"> |
| <col class="enum_members_description"> |
| <col width="200px" class="enum_members_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-VIDEO-CHROMA-METHOD-NEAREST:CAPS"></a>GST_VIDEO_CHROMA_METHOD_NEAREST</p></td> |
| <td class="enum_member_description"> |
| <p>Duplicates the chroma samples when |
| upsampling and drops when subsampling</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-VIDEO-CHROMA-METHOD-LINEAR:CAPS"></a>GST_VIDEO_CHROMA_METHOD_LINEAR</p></td> |
| <td class="enum_member_description"> |
| <p>Uses linear interpolation to reconstruct |
| missing chroma and averaging to subsample</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstVideoChromaResample"></a><h3>GstVideoChromaResample</h3> |
| <pre class="programlisting">typedef struct _GstVideoChromaResample GstVideoChromaResample;</pre> |
| </div> |
| </div> |
| </div> |
| <div class="footer"> |
| <hr>Generated by GTK-Doc V1.25</div> |
| </body> |
| </html> |
