blob: 39f9b61ae6bb884fcdd13187fc29617290475263 [file] [log] [blame]
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>glcolorbalance: GStreamer Bad Plugins 1.0 Plugins Reference Manual</title>
<meta name="generator" content="DocBook XSL Stylesheets V1.79.1">
<link rel="home" href="index.html" title="GStreamer Bad Plugins 1.0 Plugins Reference Manual">
<link rel="up" href="ch01.html" title="gst-plugins-bad Elements">
<link rel="prev" href="gst-plugins-bad-plugins-gaussianblur.html" title="gaussianblur">
<link rel="next" href="gst-plugins-bad-plugins-glcolorconvert.html" title="glcolorconvert">
<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-bad-plugins-glcolorbalance.description" class="shortcut">Description</a></span><span id="nav_hierarchy">  <span class="dim">|</span> 
<a href="#gst-plugins-bad-plugins-glcolorbalance.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_interfaces">  <span class="dim">|</span> 
<a href="#gst-plugins-bad-plugins-glcolorbalance.implemented-interfaces" class="shortcut">Implemented Interfaces</a></span><span id="nav_properties">  <span class="dim">|</span> 
<a href="#gst-plugins-bad-plugins-glcolorbalance.properties" class="shortcut">Properties</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="ch01.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td>
<td><a accesskey="p" href="gst-plugins-bad-plugins-gaussianblur.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td>
<td><a accesskey="n" href="gst-plugins-bad-plugins-glcolorconvert.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td>
</tr></table>
<div class="refentry">
<a name="gst-plugins-bad-plugins-glcolorbalance"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="gst-plugins-bad-plugins-glcolorbalance.top_of_page"></a>glcolorbalance</span></h2>
<p>glcolorbalance</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glcolorbalance.properties"></a><h2>Properties</h2>
<div class="informaltable"><table class="informaltable" border="0">
<colgroup>
<col width="150px" class="properties_type">
<col width="300px" class="properties_name">
<col width="200px" class="properties_flags">
</colgroup>
<tbody>
<tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-glcolorbalance.html#GstGLColorBalance--brightness" title="The “brightness” property">brightness</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-glcolorbalance.html#GstGLColorBalance--contrast" title="The “contrast” property">contrast</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-glcolorbalance.html#GstGLColorBalance--hue" title="The “hue” property">hue</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-glcolorbalance.html#GstGLColorBalance--saturation" title="The “saturation” property">saturation</a></td>
<td class="property_flags">Read / Write</td>
</tr>
</tbody>
</table></div>
</div>
<a name="GstGLColorBalance"></a><div class="refsect1">
<a name="gst-plugins-bad-plugins-glcolorbalance.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">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-plugins-glcolorbalance.html#GstGLColorBalance-struct" title="struct GstGLColorBalance">GstGLColorBalance</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glcolorbalance.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobjectgobject-The-Base-Object-Type.html#GObject-struct">GObject</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobjectgobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstObject.html#GstObject-struct">GstObject</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0GstElement.html#GstElement-struct">GstElement</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-libs-1.0GstBaseTransform.html#GstBaseTransform-struct">GstBaseTransform</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gst-plugins-bad-libs-1.0GstGLBaseFilter.html#GstGLBaseFilter-struct">GstGLBaseFilter</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gst-plugins-bad-libs-1.0GstGLFilter.html#GstGLFilter-struct">GstGLFilter</a>
<span class="lineart">╰──</span> GstGLColorBalance
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glcolorbalance.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
GstGLColorBalance implements
<a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0gst-plugins-base-libs-gstcolorbalance.html#GstColorBalance-struct">GstColorBalance</a>.</p>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glcolorbalance.description"></a><h2>Description</h2>
<p>Adjusts brightness, contrast, hue, saturation on a video stream.</p>
<div class="refsect2">
<a name="id-1.2.42.8.3"></a><h3>Example launch line</h3>
<div class="informalexample">
<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td class="listing_lines" align="right"><pre>1</pre></td>
<td class="listing_code"><pre class="programlisting">gst<span class="gtkdoc opt">-</span>launch<span class="gtkdoc opt">-</span><span class="number">1.0</span> videotestsrc <span class="gtkdoc opt">!</span> glupload <span class="gtkdoc opt">!</span> glcolorbalance saturation<span class="gtkdoc opt">=</span><span class="number">0.0</span> <span class="gtkdoc opt">!</span> glcolorconvert <span class="gtkdoc opt">!</span> gldownload <span class="gtkdoc opt">!</span> ximagesink</pre></td>
</tr>
</tbody>
</table>
</div>
This pipeline converts the image to black and white by setting the
saturation to 0.0.
</div>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="refsect2">
<a name="id-1.2.42.8.4.1"></a><h3>Element Information</h3>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">plugin</span></p></td>
<td>
<a class="link" href="gst-plugins-bad-plugins-plugin-opengl.html#plugin-opengl">opengl</a>
</td>
</tr>
<tr>
<td><p><span class="term">author</span></p></td>
<td>Matthew Waters &lt;matthew@centricular.com&gt;</td>
</tr>
<tr>
<td><p><span class="term">class</span></p></td>
<td>Filter/Effect/Video</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="id-1.2.42.8.4.2"></a><h3>Element Pads</h3>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">name</span></p></td>
<td>sink</td>
</tr>
<tr>
<td><p><span class="term">direction</span></p></td>
<td>sink</td>
</tr>
<tr>
<td><p><span class="term">presence</span></p></td>
<td>always</td>
</tr>
<tr>
<td><p><span class="term">details</span></p></td>
<td>video/x-raw(ANY), format=(string)RGBA, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ], texture-target=(string)2D</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw(memory:GLMemory), format=(string)RGBA, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ], texture-target=(string)2D</td>
</tr>
</tbody>
</table></div>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">name</span></p></td>
<td>src</td>
</tr>
<tr>
<td><p><span class="term">direction</span></p></td>
<td>source</td>
</tr>
<tr>
<td><p><span class="term">presence</span></p></td>
<td>always</td>
</tr>
<tr>
<td><p><span class="term">details</span></p></td>
<td>video/x-raw(memory:GLMemory), format=(string)RGBA, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ], texture-target=(string)2D</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> video/x-raw(ANY), format=(string)RGBA, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ], texture-target=(string)2D</td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glcolorbalance.functions_details"></a><h2>Functions</h2>
<p></p>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glcolorbalance.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstGLColorBalance-struct"></a><h3>struct GstGLColorBalance</h3>
<pre class="programlisting">struct GstGLColorBalance;</pre>
<p>Opaque data structure.</p>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-glcolorbalance.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstGLColorBalance--brightness"></a><h3>The <code class="literal">“brightness”</code> property</h3>
<pre class="programlisting"> “brightness” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a></pre>
<p>brightness.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [-1,1]</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstGLColorBalance--contrast"></a><h3>The <code class="literal">“contrast”</code> property</h3>
<pre class="programlisting"> “contrast” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a></pre>
<p>contrast.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [0,2]</p>
<p>Default value: 1</p>
</div>
<hr>
<div class="refsect2">
<a name="GstGLColorBalance--hue"></a><h3>The <code class="literal">“hue”</code> property</h3>
<pre class="programlisting"> “hue” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a></pre>
<p>hue.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [-1,1]</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstGLColorBalance--saturation"></a><h3>The <code class="literal">“saturation”</code> property</h3>
<pre class="programlisting"> “saturation” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a></pre>
<p>saturation.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [0,2]</p>
<p>Default value: 1</p>
</div>
</div>
</div>
<div class="footer">
<hr>Generated by GTK-Doc V1.25</div>
</body>
</html>