blob: cbb973ad3d4f303d1151bfa9de74e30273bbe561 [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>GstInterpolationControlSource</title>
<meta name="generator" content="DocBook XSL Stylesheets V1.78.1">
<link rel="home" href="index.html" title="GStreamer 1.0 Library Reference Manual">
<link rel="up" href="gstreamer-control.html" title="GStreamer Dynamic Parameter Control">
<link rel="prev" href="GstTimedValueControlSource.html" title="GstTimedValueControlSource">
<link rel="next" href="GstLFOControlSource.html" title="GstLFOControlSource">
<meta name="generator" content="GTK-Doc V1.19 (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="2">
<tr valign="middle">
<td><a accesskey="p" href="GstTimedValueControlSource.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td>
<td><a accesskey="u" href="gstreamer-control.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td>
<td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td>
<th width="100%" align="center">GStreamer 1.0 Library Reference Manual</th>
<td><a accesskey="n" href="GstLFOControlSource.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td>
</tr>
<tr><td colspan="5" class="shortcuts">
<a href="#GstInterpolationControlSource.synopsis" class="shortcut">Top</a>
 | 
<a href="#GstInterpolationControlSource.description" class="shortcut">Description</a>
 | 
<a href="#GstInterpolationControlSource.object-hierarchy" class="shortcut">Object Hierarchy</a>
 | 
<a href="#GstInterpolationControlSource.properties" class="shortcut">Properties</a>
</td></tr>
</table>
<div class="refentry">
<a name="GstInterpolationControlSource"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="GstInterpolationControlSource.top_of_page"></a>GstInterpolationControlSource</span></h2>
<p>GstInterpolationControlSource — interpolation control source</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<a name="GstInterpolationControlSource.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include &lt;libs/controller/gstinterpolationcontrolsource.h&gt;
struct <a class="link" href="GstInterpolationControlSource.html#GstInterpolationControlSource-struct" title="struct GstInterpolationControlSource">GstInterpolationControlSource</a>;
enum <a class="link" href="GstInterpolationControlSource.html#GstInterpolationMode" title="enum GstInterpolationMode">GstInterpolationMode</a>;
<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstControlSource.html"><span class="returnvalue">GstControlSource</span></a> * <a class="link" href="GstInterpolationControlSource.html#gst-interpolation-control-source-new" title="gst_interpolation_control_source_new ()">gst_interpolation_control_source_new</a>
(<em class="parameter"><code><span class="type">void</span></code></em>);
</pre>
</div>
<div class="refsect1">
<a name="GstInterpolationControlSource.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
<a href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GObject">GObject</a>
+----<a href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
+----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstObject.html">GstObject</a>
+----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstControlSource.html">GstControlSource</a>
+----<a class="link" href="GstTimedValueControlSource.html" title="GstTimedValueControlSource">GstTimedValueControlSource</a>
+----GstInterpolationControlSource
</pre>
</div>
<div class="refsect1">
<a name="GstInterpolationControlSource.properties"></a><h2>Properties</h2>
<pre class="synopsis">
"<a class="link" href="GstInterpolationControlSource.html#GstInterpolationControlSource--mode" title='The "mode" property'>mode</a>" <a class="link" href="GstInterpolationControlSource.html#GstInterpolationMode" title="enum GstInterpolationMode"><span class="type">GstInterpolationMode</span></a> : Read / Write
</pre>
</div>
<div class="refsect1">
<a name="GstInterpolationControlSource.description"></a><h2>Description</h2>
<p>
<a class="link" href="GstInterpolationControlSource.html" title="GstInterpolationControlSource"><span class="type">GstInterpolationControlSource</span></a> is a <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstControlSource.html"><span class="type">GstControlSource</span></a>, that interpolates values between user-given
control points. It supports several interpolation modes and property types.
</p>
<p>
To use <a class="link" href="GstInterpolationControlSource.html" title="GstInterpolationControlSource"><span class="type">GstInterpolationControlSource</span></a> get a new instance by calling
<a class="link" href="GstInterpolationControlSource.html#gst-interpolation-control-source-new" title="gst_interpolation_control_source_new ()"><code class="function">gst_interpolation_control_source_new()</code></a>, bind it to a <a href="http://library.gnome.org/devel/gobject/unstable/gobject-GParamSpec.html#GParamSpec"><span class="type">GParamSpec</span></a> and set some
control points by calling <a class="link" href="GstTimedValueControlSource.html#gst-timed-value-control-source-set" title="gst_timed_value_control_source_set ()"><code class="function">gst_timed_value_control_source_set()</code></a>.
</p>
<p>
All functions are MT-safe.
</p>
</div>
<div class="refsect1">
<a name="GstInterpolationControlSource.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GstInterpolationControlSource-struct"></a><h3>struct GstInterpolationControlSource</h3>
<pre class="programlisting">struct GstInterpolationControlSource;</pre>
<p>
The instance structure of <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstControlSource.html"><span class="type">GstControlSource</span></a>.
</p>
</div>
<hr>
<div class="refsect2">
<a name="GstInterpolationMode"></a><h3>enum GstInterpolationMode</h3>
<pre class="programlisting">typedef enum {
GST_INTERPOLATION_MODE_NONE,
GST_INTERPOLATION_MODE_LINEAR,
GST_INTERPOLATION_MODE_CUBIC
} GstInterpolationMode;
</pre>
<p>
The various interpolation modes available.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><a name="GST-INTERPOLATION-MODE-NONE:CAPS"></a><span class="term"><code class="literal">GST_INTERPOLATION_MODE_NONE</code></span></p></td>
<td>steps-like interpolation, default
</td>
</tr>
<tr>
<td><p><a name="GST-INTERPOLATION-MODE-LINEAR:CAPS"></a><span class="term"><code class="literal">GST_INTERPOLATION_MODE_LINEAR</code></span></p></td>
<td>linear interpolation
</td>
</tr>
<tr>
<td><p><a name="GST-INTERPOLATION-MODE-CUBIC:CAPS"></a><span class="term"><code class="literal">GST_INTERPOLATION_MODE_CUBIC</code></span></p></td>
<td>cubic interpolation
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gst-interpolation-control-source-new"></a><h3>gst_interpolation_control_source_new ()</h3>
<pre class="programlisting"><a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstControlSource.html"><span class="returnvalue">GstControlSource</span></a> * gst_interpolation_control_source_new
(<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
This returns a new, unbound <a class="link" href="GstInterpolationControlSource.html" title="GstInterpolationControlSource"><span class="type">GstInterpolationControlSource</span></a>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a new, unbound <a class="link" href="GstInterpolationControlSource.html" title="GstInterpolationControlSource"><span class="type">GstInterpolationControlSource</span></a>. <span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span>
</td>
</tr></tbody>
</table></div>
</div>
</div>
<div class="refsect1">
<a name="GstInterpolationControlSource.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstInterpolationControlSource--mode"></a><h3>The <code class="literal">"mode"</code> property</h3>
<pre class="programlisting"> "mode" <a class="link" href="GstInterpolationControlSource.html#GstInterpolationMode" title="enum GstInterpolationMode"><span class="type">GstInterpolationMode</span></a> : Read / Write</pre>
<p>Interpolation mode.</p>
<p>Default value: GST_INTERPOLATION_MODE_NONE</p>
</div>
</div>
</div>
<div class="footer">
<hr>
Generated by GTK-Doc V1.19</div>
</body>
</html>