1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2<html> 3<head> 4<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 5<title>GstColorBalance: GStreamer Base Plugins 1.0 Library Reference Manual</title> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="index.html" title="GStreamer Base Plugins 1.0 Library Reference Manual"> 8<link rel="up" href="gstreamer-video.html" title="Video Library"> 9<link rel="prev" href="GstVideoSink.html" title="GstVideoSink"> 10<link rel="next" href="GstColorBalanceChannel.html" title="GstColorBalanceChannel"> 11<meta name="generator" content="GTK-Doc V1.28 (XML mode)"> 12<link rel="stylesheet" href="style.css" type="text/css"> 13</head> 14<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 15<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle"> 16<td width="100%" align="left" class="shortcuts"> 17<a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span> 18 <a href="#GstColorBalance.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> 19 <a href="#GstColorBalance.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_signals"> <span class="dim">|</span> 20 <a href="#GstColorBalance.signals" class="shortcut">Signals</a></span> 21</td> 22<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> 23<td><a accesskey="u" href="gstreamer-video.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> 24<td><a accesskey="p" href="GstVideoSink.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> 25<td><a accesskey="n" href="GstColorBalanceChannel.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> 26</tr></table> 27<div class="refentry"> 28<a name="GstColorBalance"></a><div class="titlepage"></div> 29<div class="refnamediv"><table width="100%"><tr> 30<td valign="top"> 31<h2><span class="refentrytitle"><a name="GstColorBalance.top_of_page"></a>GstColorBalance</span></h2> 32<p>GstColorBalance — Interface for adjusting color balance settings</p> 33</td> 34<td class="gallery_image" valign="top" align="right"></td> 35</tr></table></div> 36<div class="refsect1"> 37<a name="GstColorBalance.functions"></a><h2>Functions</h2> 38<div class="informaltable"><table class="informaltable" width="100%" border="0"> 39<colgroup> 40<col width="150px" class="functions_return"> 41<col class="functions_name"> 42</colgroup> 43<tbody> 44<tr> 45<td class="function_type">const <a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * 46</td> 47<td class="function_name"> 48<a class="link" href="GstColorBalance.html#gst-color-balance-list-channels" title="gst_color_balance_list_channels ()">gst_color_balance_list_channels</a> <span class="c_punctuation">()</span> 49</td> 50</tr> 51<tr> 52<td class="function_type"> 53<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a> 54</td> 55<td class="function_name"> 56<a class="link" href="GstColorBalance.html#gst-color-balance-get-value" title="gst_color_balance_get_value ()">gst_color_balance_get_value</a> <span class="c_punctuation">()</span> 57</td> 58</tr> 59<tr> 60<td class="function_type"> 61<span class="returnvalue">void</span> 62</td> 63<td class="function_name"> 64<a class="link" href="GstColorBalance.html#gst-color-balance-set-value" title="gst_color_balance_set_value ()">gst_color_balance_set_value</a> <span class="c_punctuation">()</span> 65</td> 66</tr> 67<tr> 68<td class="function_type"> 69<span class="returnvalue">void</span> 70</td> 71<td class="function_name"> 72<a class="link" href="GstColorBalance.html#gst-color-balance-value-changed" title="gst_color_balance_value_changed ()">gst_color_balance_value_changed</a> <span class="c_punctuation">()</span> 73</td> 74</tr> 75<tr> 76<td class="function_type"> 77<a class="link" href="GstColorBalance.html#GstColorBalanceType" title="enum GstColorBalanceType"><span class="returnvalue">GstColorBalanceType</span></a> 78</td> 79<td class="function_name"> 80<a class="link" href="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> 81</td> 82</tr> 83</tbody> 84</table></div> 85</div> 86<div class="refsect1"> 87<a name="GstColorBalance.signals"></a><h2>Signals</h2> 88<div class="informaltable"><table class="informaltable" border="0"> 89<colgroup> 90<col width="150px" class="signals_return"> 91<col width="300px" class="signals_name"> 92<col width="200px" class="signals_flags"> 93</colgroup> 94<tbody><tr> 95<td class="signal_type"><span class="returnvalue">void</span></td> 96<td class="signal_name"><a class="link" href="GstColorBalance.html#GstColorBalance-value-changed" title="The “value-changed” signal">value-changed</a></td> 97<td class="signal_flags"><a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></td> 98</tr></tbody> 99</table></div> 100</div> 101<div class="refsect1"> 102<a name="GstColorBalance.other"></a><h2>Types and Values</h2> 103<div class="informaltable"><table class="informaltable" width="100%" border="0"> 104<colgroup> 105<col width="150px" class="name"> 106<col class="description"> 107</colgroup> 108<tbody> 109<tr> 110<td class="datatype_keyword"> </td> 111<td class="function_name"><a class="link" href="GstColorBalance.html#GstColorBalance-struct" title="GstColorBalance">GstColorBalance</a></td> 112</tr> 113<tr> 114<td class="datatype_keyword">struct</td> 115<td class="function_name"><a class="link" href="GstColorBalance.html#GstColorBalanceInterface" title="struct GstColorBalanceInterface">GstColorBalanceInterface</a></td> 116</tr> 117<tr> 118<td class="datatype_keyword">enum</td> 119<td class="function_name"><a class="link" href="GstColorBalance.html#GstColorBalanceType" title="enum GstColorBalanceType">GstColorBalanceType</a></td> 120</tr> 121</tbody> 122</table></div> 123</div> 124<div class="refsect1"> 125<a name="GstColorBalance.object-hierarchy"></a><h2>Object Hierarchy</h2> 126<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobject/GTypeModule.html">GInterface</a> 127 <span class="lineart">╰──</span> GstColorBalance 128</pre> 129</div> 130<div class="refsect1"> 131<a name="GstColorBalance.includes"></a><h2>Includes</h2> 132<pre class="synopsis">#include <gst/video/video.h> 133</pre> 134</div> 135<div class="refsect1"> 136<a name="GstColorBalance.description"></a><h2>Description</h2> 137<p>This interface is implemented by elements which can perform some color 138balance operation on video frames they process. For example, modifying 139the brightness, contrast, hue or saturation.</p> 140<p>Example elements are 'xvimagesink' and 'colorbalance'</p> 141</div> 142<div class="refsect1"> 143<a name="GstColorBalance.functions_details"></a><h2>Functions</h2> 144<div class="refsect2"> 145<a name="gst-color-balance-list-channels"></a><h3>gst_color_balance_list_channels ()</h3> 146<pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * 147gst_color_balance_list_channels (<em class="parameter"><code><a class="link" href="GstColorBalance.html" title="GstColorBalance"><span class="type">GstColorBalance</span></a> *balance</code></em>);</pre> 148<p>Retrieve a list of the available channels.</p> 149<div class="refsect3"> 150<a name="gst-color-balance-list-channels.parameters"></a><h4>Parameters</h4> 151<div class="informaltable"><table class="informaltable" width="100%" border="0"> 152<colgroup> 153<col width="150px" class="parameters_name"> 154<col class="parameters_description"> 155<col width="200px" class="parameters_annotations"> 156</colgroup> 157<tbody><tr> 158<td class="parameter_name"><p>balance</p></td> 159<td class="parameter_description"><p>A <a class="link" href="GstColorBalance.html" title="GstColorBalance"><span class="type">GstColorBalance</span></a> instance</p></td> 160<td class="parameter_annotations"> </td> 161</tr></tbody> 162</table></div> 163</div> 164<div class="refsect3"> 165<a name="gst-color-balance-list-channels.returns"></a><h4>Returns</h4> 166<p>A 167GList containing pointers to <a class="link" href="GstColorBalanceChannel.html" title="GstColorBalanceChannel"><span class="type">GstColorBalanceChannel</span></a> 168objects. The list is owned by the <a class="link" href="GstColorBalance.html" title="GstColorBalance"><span class="type">GstColorBalance</span></a> 169instance and must not be freed. </p> 170<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> 171</div> 172</div> 173<hr> 174<div class="refsect2"> 175<a name="gst-color-balance-get-value"></a><h3>gst_color_balance_get_value ()</h3> 176<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a> 177gst_color_balance_get_value (<em class="parameter"><code><a class="link" href="GstColorBalance.html" title="GstColorBalance"><span class="type">GstColorBalance</span></a> *balance</code></em>, 178 <em class="parameter"><code><a class="link" href="GstColorBalanceChannel.html" title="GstColorBalanceChannel"><span class="type">GstColorBalanceChannel</span></a> *channel</code></em>);</pre> 179<p>Retrieve the current value of the indicated channel, between min_value 180and max_value.</p> 181<p>See Also: The <span class="type">GstColorBalanceChannel.min_value</span> and 182 <span class="type">GstColorBalanceChannel.max_value</span> members of the 183 <a class="link" href="GstColorBalanceChannel.html" title="GstColorBalanceChannel"><span class="type">GstColorBalanceChannel</span></a> object.</p> 184<div class="refsect3"> 185<a name="gst-color-balance-get-value.parameters"></a><h4>Parameters</h4> 186<div class="informaltable"><table class="informaltable" width="100%" border="0"> 187<colgroup> 188<col width="150px" class="parameters_name"> 189<col class="parameters_description"> 190<col width="200px" class="parameters_annotations"> 191</colgroup> 192<tbody> 193<tr> 194<td class="parameter_name"><p>balance</p></td> 195<td class="parameter_description"><p>A <a class="link" href="GstColorBalance.html" title="GstColorBalance"><span class="type">GstColorBalance</span></a> instance</p></td> 196<td class="parameter_annotations"> </td> 197</tr> 198<tr> 199<td class="parameter_name"><p>channel</p></td> 200<td class="parameter_description"><p>A <a class="link" href="GstColorBalanceChannel.html" title="GstColorBalanceChannel"><span class="type">GstColorBalanceChannel</span></a> instance</p></td> 201<td class="parameter_annotations"> </td> 202</tr> 203</tbody> 204</table></div> 205</div> 206<div class="refsect3"> 207<a name="gst-color-balance-get-value.returns"></a><h4>Returns</h4> 208<p> The current value of the channel.</p> 209</div> 210</div> 211<hr> 212<div class="refsect2"> 213<a name="gst-color-balance-set-value"></a><h3>gst_color_balance_set_value ()</h3> 214<pre class="programlisting"><span class="returnvalue">void</span> 215gst_color_balance_set_value (<em class="parameter"><code><a class="link" href="GstColorBalance.html" title="GstColorBalance"><span class="type">GstColorBalance</span></a> *balance</code></em>, 216 <em class="parameter"><code><a class="link" href="GstColorBalanceChannel.html" title="GstColorBalanceChannel"><span class="type">GstColorBalanceChannel</span></a> *channel</code></em>, 217 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> value</code></em>);</pre> 218<p>Sets the current value of the channel to the passed value, which must 219be between min_value and max_value.</p> 220<p>See Also: The <span class="type">GstColorBalanceChannel.min_value</span> and 221 <span class="type">GstColorBalanceChannel.max_value</span> members of the 222 <a class="link" href="GstColorBalanceChannel.html" title="GstColorBalanceChannel"><span class="type">GstColorBalanceChannel</span></a> object.</p> 223<div class="refsect3"> 224<a name="gst-color-balance-set-value.parameters"></a><h4>Parameters</h4> 225<div class="informaltable"><table class="informaltable" width="100%" border="0"> 226<colgroup> 227<col width="150px" class="parameters_name"> 228<col class="parameters_description"> 229<col width="200px" class="parameters_annotations"> 230</colgroup> 231<tbody> 232<tr> 233<td class="parameter_name"><p>balance</p></td> 234<td class="parameter_description"><p>A <a class="link" href="GstColorBalance.html" title="GstColorBalance"><span class="type">GstColorBalance</span></a> instance</p></td> 235<td class="parameter_annotations"> </td> 236</tr> 237<tr> 238<td class="parameter_name"><p>channel</p></td> 239<td class="parameter_description"><p>A <a class="link" href="GstColorBalanceChannel.html" title="GstColorBalanceChannel"><span class="type">GstColorBalanceChannel</span></a> instance</p></td> 240<td class="parameter_annotations"> </td> 241</tr> 242<tr> 243<td class="parameter_name"><p>value</p></td> 244<td class="parameter_description"><p>The new value for the channel.</p></td> 245<td class="parameter_annotations"> </td> 246</tr> 247</tbody> 248</table></div> 249</div> 250</div> 251<hr> 252<div class="refsect2"> 253<a name="gst-color-balance-value-changed"></a><h3>gst_color_balance_value_changed ()</h3> 254<pre class="programlisting"><span class="returnvalue">void</span> 255gst_color_balance_value_changed (<em class="parameter"><code><a class="link" href="GstColorBalance.html" title="GstColorBalance"><span class="type">GstColorBalance</span></a> *balance</code></em>, 256 <em class="parameter"><code><a class="link" href="GstColorBalanceChannel.html" title="GstColorBalanceChannel"><span class="type">GstColorBalanceChannel</span></a> *channel</code></em>, 257 <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> value</code></em>);</pre> 258<p>A helper function called by implementations of the GstColorBalance 259interface. It fires the <a class="link" href="GstColorBalance.html#GstColorBalance-value-changed" title="The “value-changed” signal"><span class="type">“value-changed”</span></a> signal on the 260instance, and the <a class="link" href="GstColorBalanceChannel.html#GstColorBalanceChannel-value-changed" title="The “value-changed” signal"><span class="type">“value-changed”</span></a> signal on the 261channel object.</p> 262<div class="refsect3"> 263<a name="gst-color-balance-value-changed.parameters"></a><h4>Parameters</h4> 264<div class="informaltable"><table class="informaltable" width="100%" border="0"> 265<colgroup> 266<col width="150px" class="parameters_name"> 267<col class="parameters_description"> 268<col width="200px" class="parameters_annotations"> 269</colgroup> 270<tbody> 271<tr> 272<td class="parameter_name"><p>balance</p></td> 273<td class="parameter_description"><p>A <a class="link" href="GstColorBalance.html" title="GstColorBalance"><span class="type">GstColorBalance</span></a> instance</p></td> 274<td class="parameter_annotations"> </td> 275</tr> 276<tr> 277<td class="parameter_name"><p>channel</p></td> 278<td class="parameter_description"><p>A <a class="link" href="GstColorBalanceChannel.html" title="GstColorBalanceChannel"><span class="type">GstColorBalanceChannel</span></a> whose value has changed</p></td> 279<td class="parameter_annotations"> </td> 280</tr> 281<tr> 282<td class="parameter_name"><p>value</p></td> 283<td class="parameter_description"><p>The new value of the channel</p></td> 284<td class="parameter_annotations"> </td> 285</tr> 286</tbody> 287</table></div> 288</div> 289</div> 290<hr> 291<div class="refsect2"> 292<a name="gst-color-balance-get-balance-type"></a><h3>gst_color_balance_get_balance_type ()</h3> 293<pre class="programlisting"><a class="link" href="GstColorBalance.html#GstColorBalanceType" title="enum GstColorBalanceType"><span class="returnvalue">GstColorBalanceType</span></a> 294gst_color_balance_get_balance_type (<em class="parameter"><code><a class="link" href="GstColorBalance.html" title="GstColorBalance"><span class="type">GstColorBalance</span></a> *balance</code></em>);</pre> 295<p>Get the <a class="link" href="GstColorBalance.html#GstColorBalanceType" title="enum GstColorBalanceType"><span class="type">GstColorBalanceType</span></a> of this implementation.</p> 296<div class="refsect3"> 297<a name="gst-color-balance-get-balance-type.parameters"></a><h4>Parameters</h4> 298<div class="informaltable"><table class="informaltable" width="100%" border="0"> 299<colgroup> 300<col width="150px" class="parameters_name"> 301<col class="parameters_description"> 302<col width="200px" class="parameters_annotations"> 303</colgroup> 304<tbody><tr> 305<td class="parameter_name"><p>balance</p></td> 306<td class="parameter_description"><p>The <a class="link" href="GstColorBalance.html" title="GstColorBalance"><span class="type">GstColorBalance</span></a> implementation</p></td> 307<td class="parameter_annotations"> </td> 308</tr></tbody> 309</table></div> 310</div> 311<div class="refsect3"> 312<a name="gst-color-balance-get-balance-type.returns"></a><h4>Returns</h4> 313<p> A the <a class="link" href="GstColorBalance.html#GstColorBalanceType" title="enum GstColorBalanceType"><span class="type">GstColorBalanceType</span></a>.</p> 314</div> 315</div> 316</div> 317<div class="refsect1"> 318<a name="GstColorBalance.other_details"></a><h2>Types and Values</h2> 319<div class="refsect2"> 320<a name="GstColorBalance-struct"></a><h3>GstColorBalance</h3> 321<pre class="programlisting">typedef struct _GstColorBalance GstColorBalance;</pre> 322</div> 323<hr> 324<div class="refsect2"> 325<a name="GstColorBalanceInterface"></a><h3>struct GstColorBalanceInterface</h3> 326<pre class="programlisting">struct GstColorBalanceInterface { 327 GTypeInterface iface; 328 329 /* virtual functions */ 330 const GList * (* list_channels) (GstColorBalance *balance); 331 332 void (* set_value) (GstColorBalance *balance, 333 GstColorBalanceChannel *channel, 334 gint value); 335 gint (* get_value) (GstColorBalance *balance, 336 GstColorBalanceChannel *channel); 337 GstColorBalanceType (*get_balance_type) (GstColorBalance *balance); 338 339 /* signals */ 340 void (* value_changed) (GstColorBalance *balance, 341 GstColorBalanceChannel *channel, 342 gint value); 343}; 344</pre> 345<p>Color-balance interface.</p> 346<div class="refsect3"> 347<a name="GstColorBalanceInterface.members"></a><h4>Members</h4> 348<div class="informaltable"><table class="informaltable" width="100%" border="0"> 349<colgroup> 350<col width="300px" class="struct_members_name"> 351<col class="struct_members_description"> 352<col width="200px" class="struct_members_annotations"> 353</colgroup> 354<tbody> 355<tr> 356<td class="struct_member_name"><p><a href="/usr/share/gtk-doc/html/gobject/gobject-Type-Information.html#GTypeInterface"><span class="type">GTypeInterface</span></a> <em class="structfield"><code><a name="GstColorBalanceInterface.iface"></a>iface</code></em>;</p></td> 357<td class="struct_member_description"><p>the parent interface</p></td> 358<td class="struct_member_annotations"> </td> 359</tr> 360<tr> 361<td class="struct_member_name"><p><em class="structfield"><code><a name="GstColorBalanceInterface.list-channels"></a>list_channels</code></em> ()</p></td> 362<td class="struct_member_description"><p>list handled channels</p></td> 363<td class="struct_member_annotations"> </td> 364</tr> 365<tr> 366<td class="struct_member_name"><p><em class="structfield"><code><a name="GstColorBalanceInterface.set-value"></a>set_value</code></em> ()</p></td> 367<td class="struct_member_description"><p>set a channel value</p></td> 368<td class="struct_member_annotations"> </td> 369</tr> 370<tr> 371<td class="struct_member_name"><p><em class="structfield"><code><a name="GstColorBalanceInterface.get-value"></a>get_value</code></em> ()</p></td> 372<td class="struct_member_description"><p>get a channel value</p></td> 373<td class="struct_member_annotations"> </td> 374</tr> 375<tr> 376<td class="struct_member_name"><p><em class="structfield"><code><a name="GstColorBalanceInterface.get-balance-type"></a>get_balance_type</code></em> ()</p></td> 377<td class="struct_member_description"><p>implementation type</p></td> 378<td class="struct_member_annotations"> </td> 379</tr> 380<tr> 381<td class="struct_member_name"><p><em class="structfield"><code><a name="GstColorBalanceInterface.value-changed"></a>value_changed</code></em> ()</p></td> 382<td class="struct_member_description"><p>default handler for value changed notification</p></td> 383<td class="struct_member_annotations"> </td> 384</tr> 385</tbody> 386</table></div> 387</div> 388</div> 389<hr> 390<div class="refsect2"> 391<a name="GstColorBalanceType"></a><h3>enum GstColorBalanceType</h3> 392<p>An enumeration indicating whether an element implements color balancing 393operations in software or in dedicated hardware. In general, dedicated 394hardware implementations (such as those provided by xvimagesink) are 395preferred.</p> 396<div class="refsect3"> 397<a name="GstColorBalanceType.members"></a><h4>Members</h4> 398<div class="informaltable"><table class="informaltable" width="100%" border="0"> 399<colgroup> 400<col width="300px" class="enum_members_name"> 401<col class="enum_members_description"> 402<col width="200px" class="enum_members_annotations"> 403</colgroup> 404<tbody> 405<tr> 406<td class="enum_member_name"><p><a name="GST-COLOR-BALANCE-HARDWARE:CAPS"></a>GST_COLOR_BALANCE_HARDWARE</p></td> 407<td class="enum_member_description"> 408<p>Color balance is implemented with dedicated 409 hardware.</p> 410</td> 411<td class="enum_member_annotations"> </td> 412</tr> 413<tr> 414<td class="enum_member_name"><p><a name="GST-COLOR-BALANCE-SOFTWARE:CAPS"></a>GST_COLOR_BALANCE_SOFTWARE</p></td> 415<td class="enum_member_description"> 416<p>Color balance is implemented via software 417 processing.</p> 418</td> 419<td class="enum_member_annotations"> </td> 420</tr> 421</tbody> 422</table></div> 423</div> 424</div> 425</div> 426<div class="refsect1"> 427<a name="GstColorBalance.signal-details"></a><h2>Signal Details</h2> 428<div class="refsect2"> 429<a name="GstColorBalance-value-changed"></a><h3>The <code class="literal">“value-changed”</code> signal</h3> 430<pre class="programlisting"><span class="returnvalue">void</span> 431user_function (<a class="link" href="GstColorBalance.html" title="GstColorBalance"><span class="type">GstColorBalance</span></a> *colorbalance, 432 <a class="link" href="GstColorBalanceChannel.html" title="GstColorBalanceChannel"><span class="type">GstColorBalanceChannel</span></a> *channel, 433 <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> value, 434 <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data)</pre> 435<p>Fired when the value of the indicated channel has changed.</p> 436<div class="refsect3"> 437<a name="GstColorBalance-value-changed.parameters"></a><h4>Parameters</h4> 438<div class="informaltable"><table class="informaltable" width="100%" border="0"> 439<colgroup> 440<col width="150px" class="parameters_name"> 441<col class="parameters_description"> 442<col width="200px" class="parameters_annotations"> 443</colgroup> 444<tbody> 445<tr> 446<td class="parameter_name"><p>colorbalance</p></td> 447<td class="parameter_description"><p>The GstColorBalance instance</p></td> 448<td class="parameter_annotations"> </td> 449</tr> 450<tr> 451<td class="parameter_name"><p>channel</p></td> 452<td class="parameter_description"><p>The <a class="link" href="GstColorBalanceChannel.html" title="GstColorBalanceChannel"><span class="type">GstColorBalanceChannel</span></a></p></td> 453<td class="parameter_annotations"> </td> 454</tr> 455<tr> 456<td class="parameter_name"><p>value</p></td> 457<td class="parameter_description"><p>The new value</p></td> 458<td class="parameter_annotations"> </td> 459</tr> 460<tr> 461<td class="parameter_name"><p>user_data</p></td> 462<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td> 463<td class="parameter_annotations"> </td> 464</tr> 465</tbody> 466</table></div> 467</div> 468<p>Flags: <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></p> 469</div> 470</div> 471</div> 472<div class="footer"> 473<hr>Generated by GTK-Doc V1.28</div> 474</body> 475</html>
