<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>gstcolorbalancechannel</title> <meta name="generator" content="DocBook XSL Stylesheets V1.76.1"> <link rel="home" href="index.html" title="GStreamer Base Plugins 0.10 Library Reference Manual"> <link rel="up" href="gstreamer-interfaces.html" title="Interfaces Library"> <link rel="prev" href="gst-plugins-base-libs-gstcolorbalance.html" title="gstcolorbalance"> <link rel="next" href="gst-plugins-base-libs-gstmixer.html" title="gstmixer"> <meta name="generator" content="GTK-Doc V1.18 (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="gst-plugins-base-libs-gstcolorbalance.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td> <td><a accesskey="u" href="gstreamer-interfaces.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 Base Plugins 0.10 Library Reference Manual</th> <td><a accesskey="n" href="gst-plugins-base-libs-gstmixer.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td> </tr> <tr><td colspan="5" class="shortcuts"> <a href="#gst-plugins-base-libs-gstcolorbalancechannel.synopsis" class="shortcut">Top</a> | <a href="#gst-plugins-base-libs-gstcolorbalancechannel.description" class="shortcut">Description</a> | <a href="#gst-plugins-base-libs-gstcolorbalancechannel.object-hierarchy" class="shortcut">Object Hierarchy</a> | <a href="#gst-plugins-base-libs-gstcolorbalancechannel.signals" class="shortcut">Signals</a> </td></tr> </table> <div class="refentry"> <a name="gst-plugins-base-libs-gstcolorbalancechannel"></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-gstcolorbalancechannel.top_of_page"></a>gstcolorbalancechannel</span></h2> <p>gstcolorbalancechannel — Object representing a channel from the <a class="link" href="gst-plugins-base-libs-gstcolorbalance.html#GstColorBalance"><span class="type">GstColorBalance</span></a> interface.</p> </td> <td valign="top" align="right"></td> </tr></table></div> <div class="refsynopsisdiv"> <a name="gst-plugins-base-libs-gstcolorbalancechannel.synopsis"></a><h2>Synopsis</h2> <a name="GstColorBalanceChannel"></a><pre class="synopsis"> #include <gst/interfaces/colorbalancechannel.h> struct <a class="link" href="gst-plugins-base-libs-gstcolorbalancechannel.html#GstColorBalanceChannel-struct" title="struct GstColorBalanceChannel">GstColorBalanceChannel</a>; struct <a class="link" href="gst-plugins-base-libs-gstcolorbalancechannel.html#GstColorBalanceChannelClass" title="struct GstColorBalanceChannelClass">GstColorBalanceChannelClass</a>; </pre> </div> <div class="refsect1"> <a name="gst-plugins-base-libs-gstcolorbalancechannel.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> +----GstColorBalanceChannel </pre> </div> <div class="refsect1"> <a name="gst-plugins-base-libs-gstcolorbalancechannel.signals"></a><h2>Signals</h2> <pre class="synopsis"> "<a class="link" href="gst-plugins-base-libs-gstcolorbalancechannel.html#GstColorBalanceChannel-value-changed" title='The "value-changed" signal'>value-changed</a>" : <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a> </pre> </div> <div class="refsect1"> <a name="gst-plugins-base-libs-gstcolorbalancechannel.description"></a><h2>Description</h2> <p> </p> <div class="refsect2"> <a name="idp13450016"></a><p>The <a class="link" href="gst-plugins-base-libs-gstcolorbalancechannel.html#GstColorBalanceChannel"><span class="type">GstColorBalanceChannel</span></a> object represents a parameter for modifying the color balance implemented by an element providing the <a class="link" href="gst-plugins-base-libs-gstcolorbalance.html#GstColorBalance"><span class="type">GstColorBalance</span></a> interface. For example, Hue or Saturation. </p> </div> <p> </p> </div> <div class="refsect1"> <a name="gst-plugins-base-libs-gstcolorbalancechannel.details"></a><h2>Details</h2> <div class="refsect2"> <a name="GstColorBalanceChannel-struct"></a><h3>struct GstColorBalanceChannel</h3> <pre class="programlisting">struct GstColorBalanceChannel { gchar *label; gint min_value; gint max_value; }; </pre> <div class="variablelist"><table border="0"> <col align="left" valign="top"> <tbody> <tr> <td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *<em class="structfield"><code><a name="GstColorBalanceChannel-struct.label"></a>label</code></em>;</span></p></td> <td>A string containing a descriptive name for this channel</td> </tr> <tr> <td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstColorBalanceChannel-struct.min-value"></a>min_value</code></em>;</span></p></td> <td>The minimum valid value for this channel.</td> </tr> <tr> <td><p><span class="term"><a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> <em class="structfield"><code><a name="GstColorBalanceChannel-struct.max-value"></a>max_value</code></em>;</span></p></td> <td>The maximum valid value for this channel.</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2"> <a name="GstColorBalanceChannelClass"></a><h3>struct GstColorBalanceChannelClass</h3> <pre class="programlisting">struct GstColorBalanceChannelClass { GObjectClass parent; /* signals */ void (* value_changed) (GstColorBalanceChannel *channel, gint value); }; </pre> <p> Color-balance channel class. </p> <div class="variablelist"><table border="0"> <col align="left" valign="top"> <tbody> <tr> <td><p><span class="term"><a href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GObjectClass"><span class="type">GObjectClass</span></a> <em class="structfield"><code><a name="GstColorBalanceChannelClass.parent"></a>parent</code></em>;</span></p></td> <td>the parent interface</td> </tr> <tr> <td><p><span class="term"><em class="structfield"><code><a name="GstColorBalanceChannelClass.value-changed"></a>value_changed</code></em> ()</span></p></td> <td>default handler for value changed notification</td> </tr> </tbody> </table></div> </div> </div> <div class="refsect1"> <a name="gst-plugins-base-libs-gstcolorbalancechannel.signal-details"></a><h2>Signal Details</h2> <div class="refsect2"> <a name="GstColorBalanceChannel-value-changed"></a><h3>The <code class="literal">"value-changed"</code> signal</h3> <pre class="programlisting"><span class="returnvalue">void</span> user_function (<a class="link" href="gst-plugins-base-libs-gstcolorbalancechannel.html#GstColorBalanceChannel"><span class="type">GstColorBalanceChannel</span></a> *channel, <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> value, <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data) : <a href="http://library.gnome.org/devel/gobject/unstable/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a></pre> <p> Fired when the value of the indicated channel has changed. </p> <div class="variablelist"><table border="0"> <col align="left" valign="top"> <tbody> <tr> <td><p><span class="term"><em class="parameter"><code>channel</code></em> :</span></p></td> <td>The <a class="link" href="gst-plugins-base-libs-gstcolorbalancechannel.html#GstColorBalanceChannel"><span class="type">GstColorBalanceChannel</span></a> </td> </tr> <tr> <td><p><span class="term"><em class="parameter"><code>value</code></em> :</span></p></td> <td>The new value</td> </tr> <tr> <td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td> <td>user data set when the signal handler was connected.</td> </tr> </tbody> </table></div> </div> </div> </div> <div class="footer"> <hr> Generated by GTK-Doc V1.18</div> </body> </html>