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| <a name="GstControlBinding"></a><div class="titlepage"></div> |
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| <td valign="top"> |
| <h2><span class="refentrytitle"><a name="GstControlBinding.top_of_page"></a>GstControlBinding</span></h2> |
| <p>GstControlBinding — attachment for control source sources</p> |
| </td> |
| <td class="gallery_image" valign="top" align="right"></td> |
| </tr></table></div> |
| <div class="refsect1"> |
| <a name="GstControlBinding.functions"></a><h2>Functions</h2> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="functions_return"> |
| <col class="functions_name"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="function_type"> |
| <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstControlBinding.html#gst-control-binding-sync-values" title="gst_control_binding_sync_values ()">gst_control_binding_sync_values</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="https://developer.gnome.org/gobject/unstable/gobject-Generic-values.html#GValue"><span class="returnvalue">GValue</span></a> * |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstControlBinding.html#gst-control-binding-get-value" title="gst_control_binding_get_value ()">gst_control_binding_get_value</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstControlBinding.html#gst-control-binding-get-value-array" title="gst_control_binding_get_value_array ()">gst_control_binding_get_value_array</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstControlBinding.html#gst-control-binding-get-g-value-array" title="gst_control_binding_get_g_value_array ()">gst_control_binding_get_g_value_array</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="GstControlBinding.html#gst-control-binding-set-disabled" title="gst_control_binding_set_disabled ()">gst_control_binding_set_disabled</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| <tr> |
| <td class="function_type"> |
| <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| </td> |
| <td class="function_name"> |
| <a class="link" href="GstControlBinding.html#gst-control-binding-is-disabled" title="gst_control_binding_is_disabled ()">gst_control_binding_is_disabled</a> <span class="c_punctuation">()</span> |
| </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="GstControlBinding.properties"></a><h2>Properties</h2> |
| <div class="informaltable"><table border="0"> |
| <colgroup> |
| <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 href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</td> |
| <td class="property_name"><a class="link" href="GstControlBinding.html#GstControlBinding--name" title="The “name” property">name</a></td> |
| <td class="property_flags">Read / Write / Construct Only</td> |
| </tr> |
| <tr> |
| <td class="property_type"> |
| <a class="link" href="GstObject.html" title="GstObject"><span class="type">GstObject</span></a> *</td> |
| <td class="property_name"><a class="link" href="GstControlBinding.html#GstControlBinding--object" title="The “object” property">object</a></td> |
| <td class="property_flags">Read / Write / Construct Only</td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="GstControlBinding.other"></a><h2>Types and Values</h2> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="name"> |
| <col class="description"> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td class="datatype_keyword">struct</td> |
| <td class="function_name"><a class="link" href="GstControlBinding.html#GstControlBinding-struct" title="struct GstControlBinding">GstControlBinding</a></td> |
| </tr> |
| <tr> |
| <td class="datatype_keyword">struct</td> |
| <td class="function_name"><a class="link" href="GstControlBinding.html#GstControlBindingClass" title="struct GstControlBindingClass">GstControlBindingClass</a></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <a name="GstControlBinding.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 class="link" href="GstObject.html" title="GstObject">GstObject</a> |
| <span class="lineart">╰──</span> GstControlBinding |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="GstControlBinding.includes"></a><h2>Includes</h2> |
| <pre class="synopsis">#include <gst/gst.h> |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="GstControlBinding.description"></a><h2>Description</h2> |
| <p>A base class for value mapping objects that attaches control sources to gobject |
| properties. Such an object is taking one or more <a class="link" href="GstControlSource.html" title="GstControlSource"><span class="type">GstControlSource</span></a> instances, |
| combines them and maps the resulting value to the type and value range of the |
| bound property.</p> |
| </div> |
| <div class="refsect1"> |
| <a name="GstControlBinding.functions_details"></a><h2>Functions</h2> |
| <div class="refsect2"> |
| <a name="gst-control-binding-sync-values"></a><h3>gst_control_binding_sync_values ()</h3> |
| <pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| gst_control_binding_sync_values (<em class="parameter"><code><a class="link" href="GstControlBinding.html" title="GstControlBinding"><span class="type">GstControlBinding</span></a> *binding</code></em>, |
| <em class="parameter"><code><a class="link" href="GstObject.html" title="GstObject"><span class="type">GstObject</span></a> *object</code></em>, |
| <em class="parameter"><code><a class="link" href="GstClock.html#GstClockTime" title="GstClockTime"><span class="type">GstClockTime</span></a> timestamp</code></em>, |
| <em class="parameter"><code><a class="link" href="GstClock.html#GstClockTime" title="GstClockTime"><span class="type">GstClockTime</span></a> last_sync</code></em>);</pre> |
| <p>Sets the property of the <em class="parameter"><code>object</code></em> |
| , according to the <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstControlSource.html"><span class="type">GstControlSources</span></a> that |
| handle them and for the given timestamp.</p> |
| <p>If this function fails, it is most likely the application developers fault. |
| Most probably the control sources are not setup correctly.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.18.9.2.6"></a><h4>Parameters</h4> |
| <div class="informaltable"><table 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>binding</p></td> |
| <td class="parameter_description"><p>the control binding</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>object</p></td> |
| <td class="parameter_description"><p>the object that has controlled properties</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>timestamp</p></td> |
| <td class="parameter_description"><p>the time that should be processed</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>last_sync</p></td> |
| <td class="parameter_description"><p>the last time this was called</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.3.18.9.2.7"></a><h4>Returns</h4> |
| <p> <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the controller value could be applied to the object |
| property, <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-control-binding-get-value"></a><h3>gst_control_binding_get_value ()</h3> |
| <pre class="programlisting"><a href="https://developer.gnome.org/gobject/unstable/gobject-Generic-values.html#GValue"><span class="returnvalue">GValue</span></a> * |
| gst_control_binding_get_value (<em class="parameter"><code><a class="link" href="GstControlBinding.html" title="GstControlBinding"><span class="type">GstControlBinding</span></a> *binding</code></em>, |
| <em class="parameter"><code><a class="link" href="GstClock.html#GstClockTime" title="GstClockTime"><span class="type">GstClockTime</span></a> timestamp</code></em>);</pre> |
| <p>Gets the value for the given controlled property at the requested time.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.18.9.3.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table 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>binding</p></td> |
| <td class="parameter_description"><p>the control binding</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>timestamp</p></td> |
| <td class="parameter_description"><p>the time the control-change should be read from</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.3.18.9.3.6"></a><h4>Returns</h4> |
| <p> the GValue of the property at the given time, |
| or <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if the property isn't controlled. </p> |
| <p><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-control-binding-get-value-array"></a><h3>gst_control_binding_get_value_array ()</h3> |
| <pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| gst_control_binding_get_value_array (<em class="parameter"><code><a class="link" href="GstControlBinding.html" title="GstControlBinding"><span class="type">GstControlBinding</span></a> *binding</code></em>, |
| <em class="parameter"><code><a class="link" href="GstClock.html#GstClockTime" title="GstClockTime"><span class="type">GstClockTime</span></a> timestamp</code></em>, |
| <em class="parameter"><code><a class="link" href="GstClock.html#GstClockTime" title="GstClockTime"><span class="type">GstClockTime</span></a> interval</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> n_values</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> values</code></em>);</pre> |
| <p>Gets a number of values for the given controlled property starting at the |
| requested time. The array <em class="parameter"><code>values</code></em> |
| need to hold enough space for <em class="parameter"><code>n_values</code></em> |
| of |
| the same type as the objects property's type.</p> |
| <p>This function is useful if one wants to e.g. draw a graph of the control |
| curve or apply a control curve sample by sample.</p> |
| <p>The values are unboxed and ready to be used. The similar function |
| <a class="link" href="GstControlBinding.html#gst-control-binding-get-g-value-array" title="gst_control_binding_get_g_value_array ()"><code class="function">gst_control_binding_get_g_value_array()</code></a> returns the array as <a href="https://developer.gnome.org/gobject/unstable/gobject-Generic-values.html#GValue"><span class="type">GValues</span></a> and is |
| more suitable for bindings.</p> |
| <p><span class="annotation">[<acronym title="Exposed in C code, not necessarily available in other languages."><span class="acronym">skip</span></acronym>]</span></p> |
| <div class="refsect3"> |
| <a name="id-1.3.18.9.4.8"></a><h4>Parameters</h4> |
| <div class="informaltable"><table 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>binding</p></td> |
| <td class="parameter_description"><p>the control binding</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>timestamp</p></td> |
| <td class="parameter_description"><p>the time that should be processed</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>interval</p></td> |
| <td class="parameter_description"><p>the time spacing between subsequent values</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>n_values</p></td> |
| <td class="parameter_description"><p>the number of values</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>values</p></td> |
| <td class="parameter_description"><p> array to put control-values in. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym> length=n_values]</span></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.3.18.9.4.9"></a><h4>Returns</h4> |
| <p> <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the given array could be filled, <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-control-binding-get-g-value-array"></a><h3>gst_control_binding_get_g_value_array ()</h3> |
| <pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| gst_control_binding_get_g_value_array (<em class="parameter"><code><a class="link" href="GstControlBinding.html" title="GstControlBinding"><span class="type">GstControlBinding</span></a> *binding</code></em>, |
| <em class="parameter"><code><a class="link" href="GstClock.html#GstClockTime" title="GstClockTime"><span class="type">GstClockTime</span></a> timestamp</code></em>, |
| <em class="parameter"><code><a class="link" href="GstClock.html#GstClockTime" title="GstClockTime"><span class="type">GstClockTime</span></a> interval</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#guint"><span class="type">guint</span></a> n_values</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/gobject/unstable/gobject-Generic-values.html#GValue"><span class="type">GValue</span></a> *values</code></em>);</pre> |
| <p>Gets a number of <a href="https://developer.gnome.org/gobject/unstable/gobject-Generic-values.html#GValue"><span class="type">GValues</span></a> for the given controlled property starting at the |
| requested time. The array <em class="parameter"><code>values</code></em> |
| need to hold enough space for <em class="parameter"><code>n_values</code></em> |
| of |
| <a href="https://developer.gnome.org/gobject/unstable/gobject-Generic-values.html#GValue"><span class="type">GValue</span></a>.</p> |
| <p>This function is useful if one wants to e.g. draw a graph of the control |
| curve or apply a control curve sample by sample.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.18.9.5.6"></a><h4>Parameters</h4> |
| <div class="informaltable"><table 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>binding</p></td> |
| <td class="parameter_description"><p>the control binding</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>timestamp</p></td> |
| <td class="parameter_description"><p>the time that should be processed</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>interval</p></td> |
| <td class="parameter_description"><p>the time spacing between subsequent values</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>n_values</p></td> |
| <td class="parameter_description"><p>the number of values</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>values</p></td> |
| <td class="parameter_description"><p> array to put control-values in. </p></td> |
| <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym> length=n_values]</span></td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.3.18.9.5.7"></a><h4>Returns</h4> |
| <p> <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the given array could be filled, <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise</p> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-control-binding-set-disabled"></a><h3>gst_control_binding_set_disabled ()</h3> |
| <pre class="programlisting"><span class="returnvalue">void</span> |
| gst_control_binding_set_disabled (<em class="parameter"><code><a class="link" href="GstControlBinding.html" title="GstControlBinding"><span class="type">GstControlBinding</span></a> *binding</code></em>, |
| <em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> disabled</code></em>);</pre> |
| <p>This function is used to disable a control binding for some time, i.e. |
| <a class="link" href="GstObject.html#gst-object-sync-values" title="gst_object_sync_values ()"><code class="function">gst_object_sync_values()</code></a> will do nothing.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.18.9.6.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table 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>binding</p></td> |
| <td class="parameter_description"><p>the control binding</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="parameter_name"><p>disabled</p></td> |
| <td class="parameter_description"><p>boolean that specifies whether to disable the controller |
| or not.</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="gst-control-binding-is-disabled"></a><h3>gst_control_binding_is_disabled ()</h3> |
| <pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> |
| gst_control_binding_is_disabled (<em class="parameter"><code><a class="link" href="GstControlBinding.html" title="GstControlBinding"><span class="type">GstControlBinding</span></a> *binding</code></em>);</pre> |
| <p>Check if the control binding is disabled.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.18.9.7.5"></a><h4>Parameters</h4> |
| <div class="informaltable"><table 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>binding</p></td> |
| <td class="parameter_description"><p>the control binding</p></td> |
| <td class="parameter_annotations"> </td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect3"> |
| <a name="id-1.3.18.9.7.6"></a><h4>Returns</h4> |
| <p> <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the binding is inactive</p> |
| </div> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="GstControlBinding.other_details"></a><h2>Types and Values</h2> |
| <div class="refsect2"> |
| <a name="GstControlBinding-struct"></a><h3>struct GstControlBinding</h3> |
| <pre class="programlisting">struct GstControlBinding { |
| gchar *name; |
| GParamSpec *pspec; |
| }; |
| </pre> |
| <p>The instance structure of <a class="link" href="GstControlBinding.html" title="GstControlBinding"><span class="type">GstControlBinding</span></a>.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.18.10.2.5"></a><h4>Members</h4> |
| <div class="informaltable"><table 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="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *<em class="structfield"><code><a name="GstControlBinding-struct.name"></a>name</code></em>;</p></td> |
| <td class="struct_member_description"><p>name of the property of this binding</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><a href="https://developer.gnome.org/gobject/unstable/gobject-GParamSpec.html#GParamSpec"><span class="type">GParamSpec</span></a> *<em class="structfield"><code><a name="GstControlBinding-struct.pspec"></a>pspec</code></em>;</p></td> |
| <td class="struct_member_description"><p><a href="https://developer.gnome.org/gobject/unstable/gobject-GParamSpec.html#GParamSpec"><span class="type">GParamSpec</span></a> for this property</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstControlBindingClass"></a><h3>struct GstControlBindingClass</h3> |
| <pre class="programlisting">struct GstControlBindingClass { |
| GstObjectClass parent_class; |
| |
| gboolean (* sync_values) (GstControlBinding *binding, GstObject *object, GstClockTime timestamp, GstClockTime last_sync); |
| GValue * (* get_value) (GstControlBinding *binding, GstClockTime timestamp); |
| gboolean (* get_value_array) (GstControlBinding *binding, GstClockTime timestamp,GstClockTime interval, guint n_values, gpointer values); |
| gboolean (* get_g_value_array) (GstControlBinding *binding, GstClockTime timestamp,GstClockTime interval, guint n_values, GValue *values); |
| }; |
| </pre> |
| <p>The class structure of <a class="link" href="GstControlBinding.html" title="GstControlBinding"><span class="type">GstControlBinding</span></a>.</p> |
| <div class="refsect3"> |
| <a name="id-1.3.18.10.3.5"></a><h4>Members</h4> |
| <div class="informaltable"><table 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 class="link" href="GstObject.html#GstObjectClass" title="struct GstObjectClass"><span class="type">GstObjectClass</span></a> <em class="structfield"><code><a name="GstControlBindingClass.parent-class"></a>parent_class</code></em>;</p></td> |
| <td class="struct_member_description"><p>Parent class</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><em class="structfield"><code><a name="GstControlBindingClass.sync-values"></a>sync_values</code></em> ()</p></td> |
| <td class="struct_member_description"><p>implementation for updating the target values</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><em class="structfield"><code><a name="GstControlBindingClass.get-value"></a>get_value</code></em> ()</p></td> |
| <td class="struct_member_description"><p>implementation to fetch a single control-value</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><em class="structfield"><code><a name="GstControlBindingClass.get-value-array"></a>get_value_array</code></em> ()</p></td> |
| <td class="struct_member_description"><p>implementation to fetch a series of control-values</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| <tr> |
| <td class="struct_member_name"><p><em class="structfield"><code><a name="GstControlBindingClass.get-g-value-array"></a>get_g_value_array</code></em> ()</p></td> |
| <td class="struct_member_description"><p>implementation to fetch a series of control-values |
| as g_values</p></td> |
| <td class="struct_member_annotations"> </td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="GstControlBinding.property-details"></a><h2>Property Details</h2> |
| <div class="refsect2"> |
| <a name="GstControlBinding--name"></a><h3>The <code class="literal">“name”</code> property</h3> |
| <pre class="programlisting"> “name” <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</pre> |
| <p>The name of the property.</p> |
| <p>Flags: Read / Write / Construct Only</p> |
| <p>Default value: NULL</p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstControlBinding--object"></a><h3>The <code class="literal">“object”</code> property</h3> |
| <pre class="programlisting"> “object” <a class="link" href="GstObject.html" title="GstObject"><span class="type">GstObject</span></a> *</pre> |
| <p>The object of the property.</p> |
| <p>Flags: Read / Write / Construct Only</p> |
| </div> |
| </div> |
| </div> |
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