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|  | <title>GstInterpolationControlSource: GStreamer 1.0 Library Reference Manual</title> | 
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|  | <h2><span class="refentrytitle"><a name="GstInterpolationControlSource.top_of_page"></a>GstInterpolationControlSource</span></h2> | 
|  | <p>GstInterpolationControlSource — interpolation control source</p> | 
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|  | <div class="refsect1"> | 
|  | <a name="GstInterpolationControlSource.functions"></a><h2>Functions</h2> | 
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|  | <colgroup> | 
|  | <col width="150px" class="functions_return"> | 
|  | <col class="functions_name"> | 
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|  | <td class="function_type"> | 
|  | <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstControlSource.html"><span class="returnvalue">GstControlSource</span></a> * | 
|  | </td> | 
|  | <td class="function_name"> | 
|  | <a class="link" href="GstInterpolationControlSource.html#gst-interpolation-control-source-new" title="gst_interpolation_control_source_new ()">gst_interpolation_control_source_new</a> <span class="c_punctuation">()</span> | 
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|  | <div class="refsect1"> | 
|  | <a name="GstInterpolationControlSource.properties"></a><h2>Properties</h2> | 
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|  | <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 class="link" href="GstInterpolationControlSource.html#GstInterpolationMode" title="enum GstInterpolationMode"><span class="type">GstInterpolationMode</span></a></td> | 
|  | <td class="property_name"><a class="link" href="GstInterpolationControlSource.html#GstInterpolationControlSource--mode" title="The “mode” property">mode</a></td> | 
|  | <td class="property_flags">Read / Write</td> | 
|  | </tr></tbody> | 
|  | </table></div> | 
|  | </div> | 
|  | <div class="refsect1"> | 
|  | <a name="GstInterpolationControlSource.other"></a><h2>Types and Values</h2> | 
|  | <div class="informaltable"><table width="100%" border="0"> | 
|  | <colgroup> | 
|  | <col width="150px" class="name"> | 
|  | <col class="description"> | 
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|  | <tbody> | 
|  | <tr> | 
|  | <td class="datatype_keyword">struct</td> | 
|  | <td class="function_name"><a class="link" href="GstInterpolationControlSource.html#GstInterpolationControlSource-struct" title="struct GstInterpolationControlSource">GstInterpolationControlSource</a></td> | 
|  | </tr> | 
|  | <tr> | 
|  | <td class="datatype_keyword">enum</td> | 
|  | <td class="function_name"><a class="link" href="GstInterpolationControlSource.html#GstInterpolationMode" title="enum GstInterpolationMode">GstInterpolationMode</a></td> | 
|  | </tr> | 
|  | </tbody> | 
|  | </table></div> | 
|  | </div> | 
|  | <div class="refsect1"> | 
|  | <a name="GstInterpolationControlSource.object-hierarchy"></a><h2>Object Hierarchy</h2> | 
|  | <pre class="screen">    <a href="https://developer.gnome.org/gobject/unstable/gobject-The-Base-Object-Type.html#GObject">GObject</a> | 
|  | <span class="lineart">╰──</span> <a href="https://developer.gnome.org/gobject/unstable/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a> | 
|  | <span class="lineart">╰──</span> <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstObject.html">GstObject</a> | 
|  | <span class="lineart">╰──</span> <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstControlSource.html">GstControlSource</a> | 
|  | <span class="lineart">╰──</span> <a class="link" href="GstTimedValueControlSource.html" title="GstTimedValueControlSource">GstTimedValueControlSource</a> | 
|  | <span class="lineart">╰──</span> GstInterpolationControlSource | 
|  | </pre> | 
|  | </div> | 
|  | <div class="refsect1"> | 
|  | <a name="GstInterpolationControlSource.includes"></a><h2>Includes</h2> | 
|  | <pre class="synopsis">#include <libs/controller/gstinterpolationcontrolsource.h> | 
|  | </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="https://developer.gnome.org/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.functions_details"></a><h2>Functions</h2> | 
|  | <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="refsect3"> | 
|  | <a name="id-1.2.5.6.9.2.5"></a><h4>Returns</h4> | 
|  | <p> a new, unbound <a class="link" href="GstInterpolationControlSource.html" title="GstInterpolationControlSource"><span class="type">GstInterpolationControlSource</span></a>. </p> | 
|  | <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> | 
|  | </div> | 
|  | </div> | 
|  | </div> | 
|  | <div class="refsect1"> | 
|  | <a name="GstInterpolationControlSource.other_details"></a><h2>Types and Values</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> | 
|  | <p>The various interpolation modes available.</p> | 
|  | <div class="refsect3"> | 
|  | <a name="id-1.2.5.6.10.3.4"></a><h4>Members</h4> | 
|  | <div class="informaltable"><table 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-INTERPOLATION-MODE-NONE:CAPS"></a>GST_INTERPOLATION_MODE_NONE</p></td> | 
|  | <td class="enum_member_description"> | 
|  | <p>steps-like interpolation, default</p> | 
|  | </td> | 
|  | <td class="enum_member_annotations"> </td> | 
|  | </tr> | 
|  | <tr> | 
|  | <td class="enum_member_name"><p><a name="GST-INTERPOLATION-MODE-LINEAR:CAPS"></a>GST_INTERPOLATION_MODE_LINEAR</p></td> | 
|  | <td class="enum_member_description"> | 
|  | <p>linear interpolation</p> | 
|  | </td> | 
|  | <td class="enum_member_annotations"> </td> | 
|  | </tr> | 
|  | <tr> | 
|  | <td class="enum_member_name"><p><a name="GST-INTERPOLATION-MODE-CUBIC:CAPS"></a>GST_INTERPOLATION_MODE_CUBIC</p></td> | 
|  | <td class="enum_member_description"> | 
|  | <p>cubic interpolation</p> | 
|  | </td> | 
|  | <td class="enum_member_annotations"> </td> | 
|  | </tr> | 
|  | </tbody> | 
|  | </table></div> | 
|  | </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></pre> | 
|  | <p>Interpolation mode.</p> | 
|  | <p>Flags: Read / Write</p> | 
|  | <p>Default value: GST_INTERPOLATION_MODE_NONE</p> | 
|  | </div> | 
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