blob: 17c4ce06e135a27501387832551f79efc0299357 [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>gloverlay: 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-glmosaic.html" title="glmosaic">
<link rel="next" href="gst-plugins-bad-plugins-glshader.html" title="glshader">
<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-gloverlay.description" class="shortcut">Description</a></span><span id="nav_hierarchy">  <span class="dim">|</span> 
<a href="#gst-plugins-bad-plugins-gloverlay.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_properties">  <span class="dim">|</span> 
<a href="#gst-plugins-bad-plugins-gloverlay.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-glmosaic.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td>
<td><a accesskey="n" href="gst-plugins-bad-plugins-glshader.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-gloverlay"></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-gloverlay.top_of_page"></a>gloverlay</span></h2>
<p>gloverlay</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-gloverlay.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#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-gloverlay.html#GstGLOverlay--angle-png" title="The “angle-png” property">angle-png</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#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-gloverlay.html#GstGLOverlay--angle-video" title="The “angle-video” property">angle-video</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#gchar"><span class="type">gchar</span></a> *</td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-gloverlay.html#GstGLOverlay--location" title="The “location” property">location</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#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-gloverlay.html#GstGLOverlay--proportion-png" title="The “proportion-png” property">proportion-png</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#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-gloverlay.html#GstGLOverlay--proportion-video" title="The “proportion-video” property">proportion-video</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#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-gloverlay.html#GstGLOverlay--ratio-video" title="The “ratio-video” property">ratio-video</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#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-gloverlay.html#GstGLOverlay--rotate-png" title="The “rotate-png” property">rotate-png</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#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-gloverlay.html#GstGLOverlay--rotate-video" title="The “rotate-video” property">rotate-video</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#gboolean"><span class="type">gboolean</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-gloverlay.html#GstGLOverlay--video-top" title="The “video-top” property">video-top</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#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-gloverlay.html#GstGLOverlay--xpos-png" title="The “xpos-png” property">xpos-png</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#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-gloverlay.html#GstGLOverlay--xpos-video" title="The “xpos-video” property">xpos-video</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#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-gloverlay.html#GstGLOverlay--ypos-png" title="The “ypos-png” property">ypos-png</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#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-gloverlay.html#GstGLOverlay--ypos-video" title="The “ypos-video” property">ypos-video</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-gloverlay.html#GstGLOverlay--alpha" title="The “alpha” property">alpha</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#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-gloverlay.html#GstGLOverlay--offset-x" title="The “offset-x” property">offset-x</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#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-gloverlay.html#GstGLOverlay--offset-y" title="The “offset-y” property">offset-y</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#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-gloverlay.html#GstGLOverlay--overlay-height" title="The “overlay-height” property">overlay-height</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#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-gloverlay.html#GstGLOverlay--overlay-width" title="The “overlay-width” property">overlay-width</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-gloverlay.html#GstGLOverlay--relative-x" title="The “relative-x” property">relative-x</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-gloverlay.html#GstGLOverlay--relative-y" title="The “relative-y” property">relative-y</a></td>
<td class="property_flags">Read / Write</td>
</tr>
</tbody>
</table></div>
</div>
<a name="GstGLOverlay"></a><div class="refsect1">
<a name="gst-plugins-bad-plugins-gloverlay.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-gloverlay.html#GstGLOverlay-struct" title="struct GstGLOverlay">GstGLOverlay</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-gloverlay.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> GstGLOverlay
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-gloverlay.description"></a><h2>Description</h2>
<p>Overlay GL video texture with a PNG image</p>
<div class="refsect2">
<a name="id-1.2.76.7.3"></a><h3>Examples</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> gloverlay location<span class="gtkdoc opt">=</span>image<span class="gtkdoc opt">.</span>jpg <span class="gtkdoc opt">!</span> glimagesink</pre></td>
</tr>
</tbody>
</table>
</div>
FBO (Frame Buffer Object) is required.
</div>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="refsect2">
<a name="id-1.2.76.7.4.1"></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>Filippo Argiolas &lt;filippo.argiolas@gmail.com&gt;, 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-1.2.76.7.4.2"></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-gloverlay.functions_details"></a><h2>Functions</h2>
<p></p>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-gloverlay.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstGLOverlay-struct"></a><h3>struct GstGLOverlay</h3>
<pre class="programlisting">struct GstGLOverlay;</pre>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-gloverlay.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstGLOverlay--angle-png"></a><h3>The <code class="literal">“angle-png”</code> property</h3>
<pre class="programlisting"> “angle-png” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>choose angle in axis to choosen between -90 and 90.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [-90,90]</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstGLOverlay--angle-video"></a><h3>The <code class="literal">“angle-video”</code> property</h3>
<pre class="programlisting"> “angle-video” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>choose angle in axis to choosen between -90 and 90.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [-90,90]</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstGLOverlay--location"></a><h3>The <code class="literal">“location”</code> property</h3>
<pre class="programlisting"> “location” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</pre>
<p>Location of image file to overlay.</p>
<p>Flags: Read / Write</p>
<p>Default value: NULL</p>
</div>
<hr>
<div class="refsect2">
<a name="GstGLOverlay--proportion-png"></a><h3>The <code class="literal">“proportion-png”</code> property</h3>
<pre class="programlisting"> “proportion-png” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>Relative size of iverlay image, in percents.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [0,100]</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstGLOverlay--proportion-video"></a><h3>The <code class="literal">“proportion-video”</code> property</h3>
<pre class="programlisting"> “proportion-video” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>Relative size of iverlay video, in percents.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [0,100]</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstGLOverlay--ratio-video"></a><h3>The <code class="literal">“ratio-video”</code> property</h3>
<pre class="programlisting"> “ratio-video” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>Flags: Read / Write</p>
<p>Allowed values: [0,3]</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstGLOverlay--rotate-png"></a><h3>The <code class="literal">“rotate-png”</code> property</h3>
<pre class="programlisting"> “rotate-png” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>choose rotation axis for the moment only Y axis is implemented.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [0,3]</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstGLOverlay--rotate-video"></a><h3>The <code class="literal">“rotate-video”</code> property</h3>
<pre class="programlisting"> “rotate-video” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>choose rotation axis for the moment only Y axis is implemented.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [0,3]</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstGLOverlay--video-top"></a><h3>The <code class="literal">“video-top”</code> property</h3>
<pre class="programlisting"> “video-top” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a></pre>
<p>Video is over png image.</p>
<p>Flags: Read / Write</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstGLOverlay--xpos-png"></a><h3>The <code class="literal">“xpos-png”</code> property</h3>
<pre class="programlisting"> “xpos-png” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>X position of overlay image in percents.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [0,100]</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstGLOverlay--xpos-video"></a><h3>The <code class="literal">“xpos-video”</code> property</h3>
<pre class="programlisting"> “xpos-video” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>X position of overlay video in percents.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [0,100]</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstGLOverlay--ypos-png"></a><h3>The <code class="literal">“ypos-png”</code> property</h3>
<pre class="programlisting"> “ypos-png” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>Y position of overlay image in percents.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [0,100]</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstGLOverlay--ypos-video"></a><h3>The <code class="literal">“ypos-video”</code> property</h3>
<pre class="programlisting"> “ypos-video” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>Y position of overlay video in percents.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [0,100]</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstGLOverlay--alpha"></a><h3>The <code class="literal">“alpha”</code> property</h3>
<pre class="programlisting"> “alpha” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a></pre>
<p>Global alpha of overlay image.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [0,1]</p>
<p>Default value: 1</p>
</div>
<hr>
<div class="refsect2">
<a name="GstGLOverlay--offset-x"></a><h3>The <code class="literal">“offset-x”</code> property</h3>
<pre class="programlisting"> “offset-x” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>For positive value, horizontal offset of overlay image in pixels from left of video image. For negative value, horizontal offset of overlay image in pixels from right of video image.</p>
<p>Flags: Read / Write</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstGLOverlay--offset-y"></a><h3>The <code class="literal">“offset-y”</code> property</h3>
<pre class="programlisting"> “offset-y” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>For positive value, vertical offset of overlay image in pixels from top of video image. For negative value, vertical offset of overlay image in pixels from bottom of video image.</p>
<p>Flags: Read / Write</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstGLOverlay--overlay-height"></a><h3>The <code class="literal">“overlay-height”</code> property</h3>
<pre class="programlisting"> “overlay-height” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>Height of overlay image in pixels (0 = same as overlay image).</p>
<p>Flags: Read / Write</p>
<p>Allowed values: &gt;= 0</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstGLOverlay--overlay-width"></a><h3>The <code class="literal">“overlay-width”</code> property</h3>
<pre class="programlisting"> “overlay-width” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>Width of overlay image in pixels (0 = same as overlay image).</p>
<p>Flags: Read / Write</p>
<p>Allowed values: &gt;= 0</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstGLOverlay--relative-x"></a><h3>The <code class="literal">“relative-x”</code> property</h3>
<pre class="programlisting"> “relative-x” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a></pre>
<p>Horizontal offset of overlay image in fractions of video image width, from top-left corner of video image.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [0,1]</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstGLOverlay--relative-y"></a><h3>The <code class="literal">“relative-y”</code> property</h3>
<pre class="programlisting"> “relative-y” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a></pre>
<p>Vertical offset of overlay image in fractions of video image height, from top-left corner of video image.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [0,1]</p>
<p>Default value: 0</p>
</div>
</div>
</div>
<div class="footer">
<hr>Generated by GTK-Doc V1.25</div>
</body>
</html>