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| <div class="refentry"> |
| <a name="gst-plugins-base-libs-gstcolorbalance"></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-gstcolorbalance.top_of_page"></a>gstcolorbalance</span></h2> |
| <p>gstcolorbalance — Interface for adjusting color balance settings</p> |
| </td> |
| <td class="gallery_image" valign="top" align="right"></td> |
| </tr></table></div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gstcolorbalance.functions"></a><h2>Functions</h2> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="functions_return"> |
| <col class="functions_name"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="function_type">const <a href="/usr/share/gtk-doc/html/glibglib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstcolorbalance.html#gst-color-balance-list-channels" title="gst_color_balance_list_channels ()">gst_color_balance_list_channels</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstcolorbalance.html#gst-color-balance-get-value" title="gst_color_balance_get_value ()">gst_color_balance_get_value</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstcolorbalance.html#gst-color-balance-set-value" title="gst_color_balance_set_value ()">gst_color_balance_set_value</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <span class="returnvalue">void</span> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstcolorbalance.html#gst-color-balance-value-changed" title="gst_color_balance_value_changed ()">gst_color_balance_value_changed</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a class="link" href="gst-plugins-base-libs-gstcolorbalance.html#GstColorBalanceType" title="enum GstColorBalanceType"><span class="returnvalue">GstColorBalanceType</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="gst-plugins-base-libs-gstcolorbalance.html#gst-color-balance-get-balance-type" title="gst_color_balance_get_balance_type ()">gst_color_balance_get_balance_type</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gstcolorbalance.signals"></a><h2>Signals</h2> |
| <div class="informaltable"><table class="informaltable" border="0"> |
| <colgroup> |
| <col width="150px" class="signals_return"> |
| <col width="300px" class="signals_name"> |
| <col width="200px" class="signals_flags"> |
| </colgroup> |
| <tbody><tr> |
| <td class="signal_type"><span class="returnvalue">void</span></td> |
| <td class="signal_name"><a class="link" href="gst-plugins-base-libs-gstcolorbalance.html#GstColorBalance-value-changed" title="The “value-changed” signal">value-changed</a></td> |
| <td class="signal_flags"><a href="/usr/share/gtk-doc/html/gobjectgobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <a name="GstColorBalance"></a><div class="refsect1"> |
| <a name="gst-plugins-base-libs-gstcolorbalance.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"> </td> |
| <td class="function_name"><a class="link" href="gst-plugins-base-libs-gstcolorbalance.html#GstColorBalance-struct" title="GstColorBalance">GstColorBalance</a></td> |
| </tr> |
| <tr> |
| <td class="datatype_keyword">struct</td> |
| <td class="function_name"><a class="link" href="gst-plugins-base-libs-gstcolorbalance.html#GstColorBalanceInterface" title="struct GstColorBalanceInterface">GstColorBalanceInterface</a></td> |
| </tr> |
| <tr> |
| <td class="datatype_keyword">enum</td> |
| <td class="function_name"><a class="link" href="gst-plugins-base-libs-gstcolorbalance.html#GstColorBalanceType" title="enum GstColorBalanceType">GstColorBalanceType</a></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gstcolorbalance.object-hierarchy"></a><h2>Object Hierarchy</h2> |
| <pre class="screen"> <a href="https://developer.gnome.org/gobject/unstable/GTypeModule.html">GInterface</a> |
| <span class="lineart">╰──</span> GstColorBalance |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gstcolorbalance.includes"></a><h2>Includes</h2> |
| <pre class="synopsis">#include <gst/video/colorbalance.h> |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gstcolorbalance.description"></a><h2>Description</h2> |
| <div class="refsect2"> |
| <a name="id-1.2.15.13.9.2"></a><p> |
| This interface is implemented by elements which can perform some color |
| balance operation on video frames they process. For example, modifying |
| the brightness, contrast, hue or saturation. |
| </p> |
| <p> |
| Example elements are 'xvimagesink' and 'colorbalance' |
| </p> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gstcolorbalance.functions_details"></a><h2>Functions</h2> |
| <div class="refsect2"> |
| <a name="gst-color-balance-list-channels"></a><h3>gst_color_balance_list_channels ()</h3> |
| <pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glibglib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * |
| gst_color_balance_list_channels (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstcolorbalance.html#GstColorBalance"><span class="type">GstColorBalance</span></a> *balance</code></em>);</pre> |
| <p>Retrieve a list of the available channels.</p> |
| <div class="refsect3"> |
| <a name="gst-color-balance-list-channels.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>balance</p></td> |
| <td class="parameter_description"><p>A <a class="link" href="gst-plugins-base-libs-gstcolorbalance.html#GstColorBalance"><span class="type">GstColorBalance</span></a> instance</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-color-balance-list-channels.returns"></a><h4>Returns</h4> |
| <p> A |
| GList containing pointers to <a class="link" href="gst-plugins-base-libs-gstcolorbalancechannel.html#GstColorBalanceChannel"><span class="type">GstColorBalanceChannel</span></a> |
| objects. The list is owned by the <a class="link" href="gst-plugins-base-libs-gstcolorbalance.html#GstColorBalance"><span class="type">GstColorBalance</span></a> |
| instance and must not be freed. </p> |
| <p><span class="annotation">[<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> GstColorBalanceChannel][<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-color-balance-get-value"></a><h3>gst_color_balance_get_value ()</h3> |
| <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a> |
| gst_color_balance_get_value (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstcolorbalance.html#GstColorBalance"><span class="type">GstColorBalance</span></a> *balance</code></em>, |
| <em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstcolorbalancechannel.html#GstColorBalanceChannel"><span class="type">GstColorBalanceChannel</span></a> *channel</code></em>);</pre> |
| <p>Retrieve the current value of the indicated channel, between min_value |
| and max_value.</p> |
| <p>See Also: The <span class="type">GstColorBalanceChannel.min_value</span> and |
| <span class="type">GstColorBalanceChannel.max_value</span> members of the |
| <a class="link" href="gst-plugins-base-libs-gstcolorbalancechannel.html#GstColorBalanceChannel"><span class="type">GstColorBalanceChannel</span></a> object.</p> |
| <div class="refsect3"> |
| <a name="gst-color-balance-get-value.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>balance</p></td> |
| <td class="parameter_description"><p>A <a class="link" href="gst-plugins-base-libs-gstcolorbalance.html#GstColorBalance"><span class="type">GstColorBalance</span></a> instance</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>channel</p></td> |
| <td class="parameter_description"><p>A <a class="link" href="gst-plugins-base-libs-gstcolorbalancechannel.html#GstColorBalanceChannel"><span class="type">GstColorBalanceChannel</span></a> instance</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-color-balance-get-value.returns"></a><h4>Returns</h4> |
| <p> The current value of the channel.</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-color-balance-set-value"></a><h3>gst_color_balance_set_value ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| gst_color_balance_set_value (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstcolorbalance.html#GstColorBalance"><span class="type">GstColorBalance</span></a> *balance</code></em>, |
| <em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstcolorbalancechannel.html#GstColorBalanceChannel"><span class="type">GstColorBalanceChannel</span></a> *channel</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a> value</code></em>);</pre> |
| <p>Sets the current value of the channel to the passed value, which must |
| be between min_value and max_value.</p> |
| <p>See Also: The <span class="type">GstColorBalanceChannel.min_value</span> and |
| <span class="type">GstColorBalanceChannel.max_value</span> members of the |
| <a class="link" href="gst-plugins-base-libs-gstcolorbalancechannel.html#GstColorBalanceChannel"><span class="type">GstColorBalanceChannel</span></a> object.</p> |
| <div class="refsect3"> |
| <a name="gst-color-balance-set-value.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>balance</p></td> |
| <td class="parameter_description"><p>A <a class="link" href="gst-plugins-base-libs-gstcolorbalance.html#GstColorBalance"><span class="type">GstColorBalance</span></a> instance</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>channel</p></td> |
| <td class="parameter_description"><p>A <a class="link" href="gst-plugins-base-libs-gstcolorbalancechannel.html#GstColorBalanceChannel"><span class="type">GstColorBalanceChannel</span></a> instance</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>value</p></td> |
| <td class="parameter_description"><p>The new value for the channel.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-color-balance-value-changed"></a><h3>gst_color_balance_value_changed ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| gst_color_balance_value_changed (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstcolorbalance.html#GstColorBalance"><span class="type">GstColorBalance</span></a> *balance</code></em>, |
| <em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstcolorbalancechannel.html#GstColorBalanceChannel"><span class="type">GstColorBalanceChannel</span></a> *channel</code></em>, |
| <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a> value</code></em>);</pre> |
| <p>A helper function called by implementations of the GstColorBalance |
| interface. It fires the <a class="link" href="gst-plugins-base-libs-gstcolorbalance.html#GstColorBalance-value-changed" title="The “value-changed” signal"><span class="type">“value-changed”</span></a> signal on the |
| instance, and the <a class="link" href="gst-plugins-base-libs-gstcolorbalancechannel.html#GstColorBalanceChannel-value-changed" title="The “value-changed” signal"><span class="type">“value-changed”</span></a> signal on the |
| channel object.</p> |
| <div class="refsect3"> |
| <a name="gst-color-balance-value-changed.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>balance</p></td> |
| <td class="parameter_description"><p>A <a class="link" href="gst-plugins-base-libs-gstcolorbalance.html#GstColorBalance"><span class="type">GstColorBalance</span></a> instance</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>channel</p></td> |
| <td class="parameter_description"><p>A <a class="link" href="gst-plugins-base-libs-gstcolorbalancechannel.html#GstColorBalanceChannel"><span class="type">GstColorBalanceChannel</span></a> whose value has changed</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>value</p></td> |
| <td class="parameter_description"><p>The new value of the channel</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-color-balance-get-balance-type"></a><h3>gst_color_balance_get_balance_type ()</h3> |
| <pre class="programlisting"><a class="link" href="gst-plugins-base-libs-gstcolorbalance.html#GstColorBalanceType" title="enum GstColorBalanceType"><span class="returnvalue">GstColorBalanceType</span></a> |
| gst_color_balance_get_balance_type (<em class="parameter"><code><a class="link" href="gst-plugins-base-libs-gstcolorbalance.html#GstColorBalance"><span class="type">GstColorBalance</span></a> *balance</code></em>);</pre> |
| <p>Get the <a class="link" href="gst-plugins-base-libs-gstcolorbalance.html#GstColorBalanceType" title="enum GstColorBalanceType"><span class="type">GstColorBalanceType</span></a> of this implementation.</p> |
| <div class="refsect3"> |
| <a name="gst-color-balance-get-balance-type.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody><tr> |
| <td class="parameter_name"><p>balance</p></td> |
| <td class="parameter_description"><p>The <a class="link" href="gst-plugins-base-libs-gstcolorbalance.html#GstColorBalance"><span class="type">GstColorBalance</span></a> implementation</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="gst-color-balance-get-balance-type.returns"></a><h4>Returns</h4> |
| <p> A the <a class="link" href="gst-plugins-base-libs-gstcolorbalance.html#GstColorBalanceType" title="enum GstColorBalanceType"><span class="type">GstColorBalanceType</span></a>.</p> |
| </div> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gstcolorbalance.other_details"></a><h2>Types and Values</h2> |
| <div class="refsect2"> |
| <a name="GstColorBalance-struct"></a><h3>GstColorBalance</h3> |
| <pre class="programlisting">typedef struct _GstColorBalance GstColorBalance;</pre> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstColorBalanceInterface"></a><h3>struct GstColorBalanceInterface</h3> |
| <pre class="programlisting">struct GstColorBalanceInterface { |
| GTypeInterface iface; |
| |
| /* virtual functions */ |
| const GList * (* list_channels) (GstColorBalance *balance); |
| |
| void (* set_value) (GstColorBalance *balance, |
| GstColorBalanceChannel *channel, |
| gint value); |
| gint (* get_value) (GstColorBalance *balance, |
| GstColorBalanceChannel *channel); |
| GstColorBalanceType (*get_balance_type) (GstColorBalance *balance); |
| |
| /* signals */ |
| void (* value_changed) (GstColorBalance *balance, |
| GstColorBalanceChannel *channel, |
| gint value); |
| }; |
| </pre> |
| <p>Color-balance interface.</p> |
| <div class="refsect3"> |
| <a name="GstColorBalanceInterface.members"></a><h4>Members</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="300px" class="struct_members_name"> |
| <col class="struct_members_description"> |
| <col width="200px" class="struct_members_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/gobjectgobject-Type-Information.html#GTypeInterface"><span class="type">GTypeInterface</span></a> <em class="structfield"><code><a name="GstColorBalanceInterface.iface"></a>iface</code></em>;</p></td> |
| <td class="struct_member_description"><p>the parent interface</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><em class="structfield"><code><a name="GstColorBalanceInterface.list-channels"></a>list_channels</code></em> ()</p></td> |
| <td class="struct_member_description"><p>list handled channels</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><em class="structfield"><code><a name="GstColorBalanceInterface.set-value"></a>set_value</code></em> ()</p></td> |
| <td class="struct_member_description"><p>set a channel value</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><em class="structfield"><code><a name="GstColorBalanceInterface.get-value"></a>get_value</code></em> ()</p></td> |
| <td class="struct_member_description"><p>get a channel value</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><em class="structfield"><code><a name="GstColorBalanceInterface.get-balance-type"></a>get_balance_type</code></em> ()</p></td> |
| <td class="struct_member_description"><p>implementation type</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><em class="structfield"><code><a name="GstColorBalanceInterface.value-changed"></a>value_changed</code></em> ()</p></td> |
| <td class="struct_member_description"><p>default handler for value changed notification</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstColorBalanceType"></a><h3>enum GstColorBalanceType</h3> |
| <p>An enumeration indicating whether an element implements color balancing |
| operations in software or in dedicated hardware. In general, dedicated |
| hardware implementations (such as those provided by xvimagesink) are |
| preferred.</p> |
| <div class="refsect3"> |
| <a name="GstColorBalanceType.members"></a><h4>Members</h4> |
| <div class="informaltable"><table class="informaltable" 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-COLOR-BALANCE-HARDWARE:CAPS"></a>GST_COLOR_BALANCE_HARDWARE</p></td> |
| <td class="enum_member_description"> |
| <p>Color balance is implemented with dedicated |
| hardware.</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="enum_member_name"><p><a name="GST-COLOR-BALANCE-SOFTWARE:CAPS"></a>GST_COLOR_BALANCE_SOFTWARE</p></td> |
| <td class="enum_member_description"> |
| <p>Color balance is implemented via software |
| processing.</p> |
| </td> |
| <td class="enum_member_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-base-libs-gstcolorbalance.signal-details"></a><h2>Signal Details</h2> |
| <div class="refsect2"> |
| <a name="GstColorBalance-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-gstcolorbalance.html#GstColorBalance"><span class="type">GstColorBalance</span></a> *colorbalance, |
| <a class="link" href="gst-plugins-base-libs-gstcolorbalancechannel.html#GstColorBalanceChannel"><span class="type">GstColorBalanceChannel</span></a> *channel, |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gint"><span class="type">gint</span></a> value, |
| <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data)</pre> |
| <p>Fired when the value of the indicated channel has changed.</p> |
| <div class="refsect3"> |
| <a name="GstColorBalance-value-changed.parameters"></a><h4>Parameters</h4> |
| <div class="informaltable"><table class="informaltable" width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="parameters_name"> |
| <col class="parameters_description"> |
| <col width="200px" class="parameters_annotations"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="parameter_name"><p>colorbalance</p></td> |
| <td class="parameter_description"><p>The GstColorBalance instance</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>channel</p></td> |
| <td class="parameter_description"><p>The <a class="link" href="gst-plugins-base-libs-gstcolorbalancechannel.html#GstColorBalanceChannel"><span class="type">GstColorBalanceChannel</span></a></p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>value</p></td> |
| <td class="parameter_description"><p>The new value</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>user_data</p></td> |
| <td class="parameter_description"><p>user data set when the signal handler was connected.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <p>Flags: <a href="/usr/share/gtk-doc/html/gobjectgobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></p> |
| </div> |
| </div> |
| </div> |
| <div class="footer"> |
| <hr>Generated by GTK-Doc V1.25</div> |
| </body> |
| </html> |
