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<title>GESTimelineElement: GStreamer Editing Services 1.14.0 Reference Manual</title>
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<a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span>
<a href="#GESTimelineElement.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span>
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<td valign="top">
<h2><span class="refentrytitle"><a name="GESTimelineElement.top_of_page"></a>GESTimelineElement</span></h2>
<p>GESTimelineElement — Base Class for all elements that will be in a way or
another inside a GESTimeline.</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="GESTimelineElement.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">
<a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#ges-timeline-element-set-parent" title="ges_timeline_element_set_parent ()">ges_timeline_element_set_parent</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="returnvalue">GESTimelineElement</span></a> *
</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#ges-timeline-element-get-parent" title="ges_timeline_element_get_parent ()">ges_timeline_element_get_parent</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#ges-timeline-element-set-timeline" title="ges_timeline_element_set_timeline ()">ges_timeline_element_set_timeline</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="GESTimeline.html" title="GESTimeline"><span class="returnvalue">GESTimeline</span></a> *
</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#ges-timeline-element-get-timeline" title="ges_timeline_element_get_timeline ()">ges_timeline_element_get_timeline</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="GESTimelineElement.html#ges-timeline-element-set-start" title="ges_timeline_element_set_start ()">ges_timeline_element_set_start</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="GESTimelineElement.html#ges-timeline-element-set-inpoint" title="ges_timeline_element_set_inpoint ()">ges_timeline_element_set_inpoint</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="GESTimelineElement.html#ges-timeline-element-set-duration" title="ges_timeline_element_set_duration ()">ges_timeline_element_set_duration</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="GESTimelineElement.html#ges-timeline-element-set-max-duration" title="ges_timeline_element_set_max_duration ()">ges_timeline_element_set_max_duration</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="GESTimelineElement.html#ges-timeline-element-set-priority" title="ges_timeline_element_set_priority ()">ges_timeline_element_set_priority</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../gstreamer-1.0/GstClock.html#GstClockTime"><span class="returnvalue">GstClockTime</span></a>
</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#ges-timeline-element-get-start" title="ges_timeline_element_get_start ()">ges_timeline_element_get_start</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../gstreamer-1.0/GstClock.html#GstClockTime"><span class="returnvalue">GstClockTime</span></a>
</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#ges-timeline-element-get-inpoint" title="ges_timeline_element_get_inpoint ()">ges_timeline_element_get_inpoint</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../gstreamer-1.0/GstClock.html#GstClockTime"><span class="returnvalue">GstClockTime</span></a>
</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#ges-timeline-element-get-duration" title="ges_timeline_element_get_duration ()">ges_timeline_element_get_duration</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../gstreamer-1.0/GstClock.html#GstClockTime"><span class="returnvalue">GstClockTime</span></a>
</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#ges-timeline-element-get-max-duration" title="ges_timeline_element_get_max_duration ()">ges_timeline_element_get_max_duration</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib/glib-Basic-Types.html#guint32"><span class="returnvalue">guint32</span></a>
</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#ges-timeline-element-get-priority" title="ges_timeline_element_get_priority ()">ges_timeline_element_get_priority</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#ges-timeline-element-ripple" title="ges_timeline_element_ripple ()">ges_timeline_element_ripple</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#ges-timeline-element-ripple-end" title="ges_timeline_element_ripple_end ()">ges_timeline_element_ripple_end</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#ges-timeline-element-roll-start" title="ges_timeline_element_roll_start ()">ges_timeline_element_roll_start</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#ges-timeline-element-roll-end" title="ges_timeline_element_roll_end ()">ges_timeline_element_roll_end</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#ges-timeline-element-trim" title="ges_timeline_element_trim ()">ges_timeline_element_trim</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="returnvalue">GESTimelineElement</span></a> *
</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#ges-timeline-element-copy" title="ges_timeline_element_copy ()">ges_timeline_element_copy</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="returnvalue">GESTimelineElement</span></a> *
</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#ges-timeline-element-paste" title="ges_timeline_element_paste ()">ges_timeline_element_paste</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *
</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#ges-timeline-element-get-name" title="ges_timeline_element_get_name ()">ges_timeline_element_get_name</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#ges-timeline-element-set-name" title="ges_timeline_element_set_name ()">ges_timeline_element_set_name</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#ges-timeline-element-lookup-child" title="ges_timeline_element_lookup_child ()">ges_timeline_element_lookup_child</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="GESTimelineElement.html#ges-timeline-element-set-child-properties" title="ges_timeline_element_set_child_properties ()">ges_timeline_element_set_child_properties</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#ges-timeline-element-set-child-property" title="ges_timeline_element_set_child_property ()">ges_timeline_element_set_child_property</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#ges-timeline-element-get-child-property" title="ges_timeline_element_get_child_property ()">ges_timeline_element_get_child_property</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#ges-timeline-element-add-child-property" title="ges_timeline_element_add_child_property ()">ges_timeline_element_add_child_property</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#ges-timeline-element-remove-child-property" title="ges_timeline_element_remove_child_property ()">ges_timeline_element_remove_child_property</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="ges-GES-Enums.html#GESTrackType" title="enum GESTrackType"><span class="returnvalue">GESTrackType</span></a>
</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#ges-timeline-element-get-track-types" title="ges_timeline_element_get_track_types ()">ges_timeline_element_get_track_types</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#GES-TIMELINE-ELEMENT-PARENT:CAPS" title="GES_TIMELINE_ELEMENT_PARENT()">GES_TIMELINE_ELEMENT_PARENT</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#GES-TIMELINE-ELEMENT-TIMELINE:CAPS" title="GES_TIMELINE_ELEMENT_TIMELINE()">GES_TIMELINE_ELEMENT_TIMELINE</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#GES-TIMELINE-ELEMENT-START:CAPS" title="GES_TIMELINE_ELEMENT_START()">GES_TIMELINE_ELEMENT_START</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#GES-TIMELINE-ELEMENT-END:CAPS" title="GES_TIMELINE_ELEMENT_END()">GES_TIMELINE_ELEMENT_END</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#GES-TIMELINE-ELEMENT-INPOINT:CAPS" title="GES_TIMELINE_ELEMENT_INPOINT()">GES_TIMELINE_ELEMENT_INPOINT</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#GES-TIMELINE-ELEMENT-DURATION:CAPS" title="GES_TIMELINE_ELEMENT_DURATION()">GES_TIMELINE_ELEMENT_DURATION</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#GES-TIMELINE-ELEMENT-MAX-DURATION:CAPS" title="GES_TIMELINE_ELEMENT_MAX_DURATION()">GES_TIMELINE_ELEMENT_MAX_DURATION</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#GES-TIMELINE-ELEMENT-PRIORITY:CAPS" title="GES_TIMELINE_ELEMENT_PRIORITY()">GES_TIMELINE_ELEMENT_PRIORITY</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a class="link" href="GESTimelineElement.html#GES-TIMELINE-ELEMENT-NAME:CAPS" title="GES_TIMELINE_ELEMENT_NAME()">GES_TIMELINE_ELEMENT_NAME</a><span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GESTimelineElement.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="GESTimelineElement.html#GESTimelineElement-struct" title="GESTimelineElement">GESTimelineElement</a></td>
</tr>
<tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="GESTimelineElement.html#GESTimelineElementClass" title="GESTimelineElementClass">GESTimelineElementClass</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GESTimelineElement.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen"> <a href="../gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a>
<span class="lineart">╰──</span> <a href="../gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
<span class="lineart">╰──</span> GESTimelineElement
<span class="lineart">├──</span> <a class="link" href="GESContainer.html" title="GESContainer">GESContainer</a>
<span class="lineart">╰──</span> <a class="link" href="GESTrackElement.html" title="GESTrackElement">GESTrackElement</a>
</pre>
</div>
<div class="refsect1">
<a name="GESTimelineElement.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
GESTimelineElement implements
<a class="link" href="ges-GESExtractableInterface.html#GESExtractable">GESExtractable</a> and <a class="link" href="GESMetaContainer.html" title="GESMetaContainer">GESMetaContainer</a>.</p>
</div>
<div class="refsect1">
<a name="GESTimelineElement.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include <ges/ges.h>
</pre>
</div>
<div class="refsect1">
<a name="GESTimelineElement.description"></a><h2>Description</h2>
<p>The GESTimelineElement base class implements the notion of timing as well
as priority. A GESTimelineElement can have a parent object which will be
responsible for controlling its timing properties.</p>
</div>
<div class="refsect1">
<a name="GESTimelineElement.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="ges-timeline-element-set-parent"></a><h3>ges_timeline_element_set_parent ()</h3>
<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
ges_timeline_element_set_parent (<em class="parameter"><code><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *self</code></em>,
<em class="parameter"><code><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *parent</code></em>);</pre>
<p>Sets the parent of <em class="parameter"><code>self</code></em>
to <em class="parameter"><code>parent</code></em>
. The parents needs to already
own a hard reference on <em class="parameter"><code>self</code></em>
.</p>
<div class="refsect3">
<a name="ges-timeline-element-set-parent.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>self</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>parent</p></td>
<td class="parameter_description"><p>new parent of self</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="ges-timeline-element-set-parent.returns"></a><h4>Returns</h4>
<p> <a href="../glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if <em class="parameter"><code>parent</code></em>
could be set or <a href="../glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> when <em class="parameter"><code>self</code></em>
already had a parent or <em class="parameter"><code>self</code></em>
and <em class="parameter"><code>parent</code></em>
are the same.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-timeline-element-get-parent"></a><h3>ges_timeline_element_get_parent ()</h3>
<pre class="programlisting"><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="returnvalue">GESTimelineElement</span></a> *
ges_timeline_element_get_parent (<em class="parameter"><code><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *self</code></em>);</pre>
<p>Returns the parent of <em class="parameter"><code>self</code></em>
. This function increases the refcount
of the parent object so you should <a href="../gstreamer-1.0/GstObject.html#gst-object-unref"><code class="function">gst_object_unref()</code></a> it after usage.</p>
<div class="refsect3">
<a name="ges-timeline-element-get-parent.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>self</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="ges-timeline-element-get-parent.returns"></a><h4>Returns</h4>
<p>parent of <em class="parameter"><code>self</code></em>
, this can be <a href="../glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if
<em class="parameter"><code>self</code></em>
has no parent. unref after usage. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<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="ges-timeline-element-set-timeline"></a><h3>ges_timeline_element_set_timeline ()</h3>
<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
ges_timeline_element_set_timeline (<em class="parameter"><code><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *self</code></em>,
<em class="parameter"><code><a class="link" href="GESTimeline.html" title="GESTimeline"><span class="type">GESTimeline</span></a> *timeline</code></em>);</pre>
<p>Sets the timeline of <em class="parameter"><code>self</code></em>
to <em class="parameter"><code>timeline</code></em>
.</p>
<div class="refsect3">
<a name="ges-timeline-element-set-timeline.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>self</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>timeline</p></td>
<td class="parameter_description"><p>The <a class="link" href="GESTimeline.html" title="GESTimeline"><span class="type">GESTimeline</span></a> <em class="parameter"><code>self</code></em>
is in</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="ges-timeline-element-set-timeline.returns"></a><h4>Returns</h4>
<p> <a href="../glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if <em class="parameter"><code>timeline</code></em>
could be set or <a href="../glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> when <em class="parameter"><code>timeline</code></em>
already had a timeline.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-timeline-element-get-timeline"></a><h3>ges_timeline_element_get_timeline ()</h3>
<pre class="programlisting"><a class="link" href="GESTimeline.html" title="GESTimeline"><span class="returnvalue">GESTimeline</span></a> *
ges_timeline_element_get_timeline (<em class="parameter"><code><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *self</code></em>);</pre>
<p>Returns the timeline of <em class="parameter"><code>self</code></em>
. This function increases the refcount
of the timeline so you should <a href="../gstreamer-1.0/GstObject.html#gst-object-unref"><code class="function">gst_object_unref()</code></a> it after usage.</p>
<div class="refsect3">
<a name="ges-timeline-element-get-timeline.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>self</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="ges-timeline-element-get-timeline.returns"></a><h4>Returns</h4>
<p>timeline of <em class="parameter"><code>self</code></em>
, this can be <a href="../glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if
<em class="parameter"><code>self</code></em>
has no timeline. unref after usage. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>][<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="ges-timeline-element-set-start"></a><h3>ges_timeline_element_set_start ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
ges_timeline_element_set_start (<em class="parameter"><code><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *self</code></em>,
<em class="parameter"><code><a href="../gstreamer-1.0/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> start</code></em>);</pre>
<p>Set the position of the object in its containing layer.</p>
<p>Note that if the snapping-distance property of the timeline containing
<em class="parameter"><code>self</code></em>
is set, <em class="parameter"><code>self</code></em>
will properly snap to the edges around <em class="parameter"><code>start</code></em>
.</p>
<div class="refsect3">
<a name="ges-timeline-element-set-start.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>self</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>start</p></td>
<td class="parameter_description"><p>the position in <a href="../gstreamer-1.0/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-timeline-element-set-inpoint"></a><h3>ges_timeline_element_set_inpoint ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
ges_timeline_element_set_inpoint (<em class="parameter"><code><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *self</code></em>,
<em class="parameter"><code><a href="../gstreamer-1.0/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> inpoint</code></em>);</pre>
<p>Set the in-point, that is the moment at which the <em class="parameter"><code>self</code></em>
will start
outputting data from its contents.</p>
<div class="refsect3">
<a name="ges-timeline-element-set-inpoint.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>self</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>inpoint</p></td>
<td class="parameter_description"><p>the in-point in <a href="../gstreamer-1.0/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-timeline-element-set-duration"></a><h3>ges_timeline_element_set_duration ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
ges_timeline_element_set_duration (<em class="parameter"><code><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *self</code></em>,
<em class="parameter"><code><a href="../gstreamer-1.0/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> duration</code></em>);</pre>
<p>Set the duration of the object</p>
<p>Note that if the timeline snap-distance property of the timeline containing
<em class="parameter"><code>self</code></em>
is set, <em class="parameter"><code>self</code></em>
will properly snap to its neighboors.</p>
<div class="refsect3">
<a name="ges-timeline-element-set-duration.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>self</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>duration</p></td>
<td class="parameter_description"><p>the duration in <a href="../gstreamer-1.0/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-timeline-element-set-max-duration"></a><h3>ges_timeline_element_set_max_duration ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
ges_timeline_element_set_max_duration (<em class="parameter"><code><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *self</code></em>,
<em class="parameter"><code><a href="../gstreamer-1.0/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> maxduration</code></em>);</pre>
<p>Set the maximun duration of the object</p>
<div class="refsect3">
<a name="ges-timeline-element-set-max-duration.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>self</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>maxduration</p></td>
<td class="parameter_description"><p>the maximum duration in <a href="../gstreamer-1.0/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-timeline-element-set-priority"></a><h3>ges_timeline_element_set_priority ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
ges_timeline_element_set_priority (<em class="parameter"><code><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *self</code></em>,
<em class="parameter"><code><a href="../glib/glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> priority</code></em>);</pre>
<div class="warning">
<p><code class="literal">ges_timeline_element_set_priority</code> is deprecated and should not be used in newly-written code.</p>
<p>All priority management is done by GES itself now.
To set <a class="link" href="GESEffect.html" title="GESEffect"><span class="type">GESEffect</span></a> priorities <a class="link" href="GESClip.html#ges-clip-set-top-effect-index" title="ges_clip_set_top_effect_index ()"><span class="type">ges_clip_set_top_effect_index</span></a> should
be used.</p>
</div>
<p>Sets the priority of the object within the containing layer</p>
<div class="refsect3">
<a name="ges-timeline-element-set-priority.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>self</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>priority</p></td>
<td class="parameter_description"><p>the priority</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-timeline-element-get-start"></a><h3>ges_timeline_element_get_start ()</h3>
<pre class="programlisting"><a href="../gstreamer-1.0/GstClock.html#GstClockTime"><span class="returnvalue">GstClockTime</span></a>
ges_timeline_element_get_start (<em class="parameter"><code><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *self</code></em>);</pre>
<div class="refsect3">
<a name="ges-timeline-element-get-start.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>self</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="ges-timeline-element-get-start.returns"></a><h4>Returns</h4>
<p> The <em class="parameter"><code>start</code></em>
of <em class="parameter"><code>self</code></em>
</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-timeline-element-get-inpoint"></a><h3>ges_timeline_element_get_inpoint ()</h3>
<pre class="programlisting"><a href="../gstreamer-1.0/GstClock.html#GstClockTime"><span class="returnvalue">GstClockTime</span></a>
ges_timeline_element_get_inpoint (<em class="parameter"><code><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *self</code></em>);</pre>
<div class="refsect3">
<a name="ges-timeline-element-get-inpoint.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>self</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="ges-timeline-element-get-inpoint.returns"></a><h4>Returns</h4>
<p> The <em class="parameter"><code>inpoint</code></em>
of <em class="parameter"><code>self</code></em>
</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-timeline-element-get-duration"></a><h3>ges_timeline_element_get_duration ()</h3>
<pre class="programlisting"><a href="../gstreamer-1.0/GstClock.html#GstClockTime"><span class="returnvalue">GstClockTime</span></a>
ges_timeline_element_get_duration (<em class="parameter"><code><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *self</code></em>);</pre>
<div class="refsect3">
<a name="ges-timeline-element-get-duration.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>self</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="ges-timeline-element-get-duration.returns"></a><h4>Returns</h4>
<p> The <em class="parameter"><code>duration</code></em>
of <em class="parameter"><code>self</code></em>
</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-timeline-element-get-max-duration"></a><h3>ges_timeline_element_get_max_duration ()</h3>
<pre class="programlisting"><a href="../gstreamer-1.0/GstClock.html#GstClockTime"><span class="returnvalue">GstClockTime</span></a>
ges_timeline_element_get_max_duration (<em class="parameter"><code><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *self</code></em>);</pre>
<div class="refsect3">
<a name="ges-timeline-element-get-max-duration.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>self</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="ges-timeline-element-get-max-duration.returns"></a><h4>Returns</h4>
<p> The <em class="parameter"><code>maxduration</code></em>
of <em class="parameter"><code>self</code></em>
</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-timeline-element-get-priority"></a><h3>ges_timeline_element_get_priority ()</h3>
<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#guint32"><span class="returnvalue">guint32</span></a>
ges_timeline_element_get_priority (<em class="parameter"><code><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *self</code></em>);</pre>
<div class="refsect3">
<a name="ges-timeline-element-get-priority.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>self</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="ges-timeline-element-get-priority.returns"></a><h4>Returns</h4>
<p> The <em class="parameter"><code>priority</code></em>
of <em class="parameter"><code>self</code></em>
</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-timeline-element-ripple"></a><h3>ges_timeline_element_ripple ()</h3>
<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
ges_timeline_element_ripple (<em class="parameter"><code><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *self</code></em>,
<em class="parameter"><code><a href="../gstreamer-1.0/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> start</code></em>);</pre>
<p>Edits <em class="parameter"><code>self</code></em>
in ripple mode. It allows you to modify the
start of <em class="parameter"><code>self</code></em>
and move the following neighbours accordingly.
This will change the overall timeline duration.</p>
<div class="refsect3">
<a name="ges-timeline-element-ripple.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>self</p></td>
<td class="parameter_description"><p>The <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> to ripple.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>start</p></td>
<td class="parameter_description"><p>The new start of <em class="parameter"><code>self</code></em>
in ripple mode.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="ges-timeline-element-ripple.returns"></a><h4>Returns</h4>
<p> <a href="../glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the self as been rippled properly, <a href="../glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> if an error
occured</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-timeline-element-ripple-end"></a><h3>ges_timeline_element_ripple_end ()</h3>
<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
ges_timeline_element_ripple_end (<em class="parameter"><code><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *self</code></em>,
<em class="parameter"><code><a href="../gstreamer-1.0/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> end</code></em>);</pre>
<p>Edits <em class="parameter"><code>self</code></em>
in ripple mode. It allows you to modify the
duration of a <em class="parameter"><code>self</code></em>
and move the following neighbours accordingly.
This will change the overall timeline duration.</p>
<div class="refsect3">
<a name="ges-timeline-element-ripple-end.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>self</p></td>
<td class="parameter_description"><p>The <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> to ripple.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>end</p></td>
<td class="parameter_description"><p>The new end (start + duration) of <em class="parameter"><code>self</code></em>
in ripple mode. It will
basically only change the duration of <em class="parameter"><code>self</code></em>
.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="ges-timeline-element-ripple-end.returns"></a><h4>Returns</h4>
<p> <a href="../glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the self as been rippled properly, <a href="../glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> if an error
occured</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-timeline-element-roll-start"></a><h3>ges_timeline_element_roll_start ()</h3>
<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
ges_timeline_element_roll_start (<em class="parameter"><code><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *self</code></em>,
<em class="parameter"><code><a href="../gstreamer-1.0/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> start</code></em>);</pre>
<p>Edits <em class="parameter"><code>self</code></em>
in roll mode. It allows you to modify the
start and inpoint of a <em class="parameter"><code>self</code></em>
and "resize" (basicly change the duration
in this case) of the previous neighbours accordingly.
This will not change the overall timeline duration.</p>
<div class="refsect3">
<a name="ges-timeline-element-roll-start.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>self</p></td>
<td class="parameter_description"><p>The <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> to roll</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>start</p></td>
<td class="parameter_description"><p>The new start of <em class="parameter"><code>self</code></em>
in roll mode, it will also adapat
the in-point of <em class="parameter"><code>self</code></em>
according</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="ges-timeline-element-roll-start.returns"></a><h4>Returns</h4>
<p> <a href="../glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the self as been roll properly, <a href="../glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> if an error
occured</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-timeline-element-roll-end"></a><h3>ges_timeline_element_roll_end ()</h3>
<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
ges_timeline_element_roll_end (<em class="parameter"><code><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *self</code></em>,
<em class="parameter"><code><a href="../gstreamer-1.0/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> end</code></em>);</pre>
<p>Edits <em class="parameter"><code>self</code></em>
in roll mode. It allows you to modify the
duration of a <em class="parameter"><code>self</code></em>
and trim (basicly change the start + inpoint
in this case) the following neighbours accordingly.
This will not change the overall timeline duration.</p>
<div class="refsect3">
<a name="ges-timeline-element-roll-end.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>self</p></td>
<td class="parameter_description"><p>The <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> to roll.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>end</p></td>
<td class="parameter_description"><p>The new end (start + duration) of <em class="parameter"><code>self</code></em>
in roll mode</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="ges-timeline-element-roll-end.returns"></a><h4>Returns</h4>
<p> <a href="../glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the self as been rolled properly, <a href="../glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> if an error
occured</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-timeline-element-trim"></a><h3>ges_timeline_element_trim ()</h3>
<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
ges_timeline_element_trim (<em class="parameter"><code><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *self</code></em>,
<em class="parameter"><code><a href="../gstreamer-1.0/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> start</code></em>);</pre>
<p>Edits <em class="parameter"><code>self</code></em>
in trim mode. It allows you to modify the
inpoint and start of <em class="parameter"><code>self</code></em>
.
This will not change the overall timeline duration.</p>
<p>Note that to trim the end of an self you can just set its duration. The same way
as this method, it will take into account the snapping-distance property of the
timeline in which <em class="parameter"><code>self</code></em>
is.</p>
<div class="refsect3">
<a name="ges-timeline-element-trim.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>self</p></td>
<td class="parameter_description"><p>The <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> to trim.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>start</p></td>
<td class="parameter_description"><p>The new start of <em class="parameter"><code>self</code></em>
in trim mode, will adapt the inpoint
of <em class="parameter"><code>self</code></em>
accordingly</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="ges-timeline-element-trim.returns"></a><h4>Returns</h4>
<p> <a href="../glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the self as been trimmed properly, <a href="../glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> if an error
occured</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-timeline-element-copy"></a><h3>ges_timeline_element_copy ()</h3>
<pre class="programlisting"><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="returnvalue">GESTimelineElement</span></a> *
ges_timeline_element_copy (<em class="parameter"><code><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *self</code></em>,
<em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> deep</code></em>);</pre>
<p>Copies <em class="parameter"><code>self</code></em>
</p>
<div class="refsect3">
<a name="ges-timeline-element-copy.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>self</p></td>
<td class="parameter_description"><p>The <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> to copy</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>deep</p></td>
<td class="parameter_description"><p>whether we want to create the elements <em class="parameter"><code>self</code></em>
contains or not</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="ges-timeline-element-copy.returns"></a><h4>Returns</h4>
<p>The newly create <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a>, copied from <em class="parameter"><code>self</code></em>
. </p>
<p><span class="annotation">[<acronym title="Alias for transfer none, used for objects with floating refs."><span class="acronym">transfer floating</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-timeline-element-paste"></a><h3>ges_timeline_element_paste ()</h3>
<pre class="programlisting"><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="returnvalue">GESTimelineElement</span></a> *
ges_timeline_element_paste (<em class="parameter"><code><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *self</code></em>,
<em class="parameter"><code><a href="../gstreamer-1.0/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> paste_position</code></em>);</pre>
<p>Paste <em class="parameter"><code>self</code></em>
inside the timeline. <em class="parameter"><code>self</code></em>
must have been created
using ges_timeline_element_copy with recurse=TRUE set,
otherwise it will fail.</p>
<div class="refsect3">
<a name="ges-timeline-element-paste.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>self</p></td>
<td class="parameter_description"><p>The <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> to paste</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>paste_position</p></td>
<td class="parameter_description"><p>The position in the timeline the element should
be copied to, meaning it will become the start of <em class="parameter"><code>self</code></em>
</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="ges-timeline-element-paste.returns"></a><h4>Returns</h4>
<p>Paste <em class="parameter"><code>self</code></em>
copying the element. </p>
<p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p>
</div>
<p class="since">Since: 1.6.0</p>
</div>
<hr>
<div class="refsect2">
<a name="ges-timeline-element-get-name"></a><h3>ges_timeline_element_get_name ()</h3>
<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *
ges_timeline_element_get_name (<em class="parameter"><code><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *self</code></em>);</pre>
<p>Returns a copy of the name of <em class="parameter"><code>self</code></em>
.
Caller should <a href="../glib/glib-Memory-Allocation.html#g-free"><code class="function">g_free()</code></a> the return value after usage.</p>
<div class="refsect3">
<a name="ges-timeline-element-get-name.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>self</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="ges-timeline-element-get-name.returns"></a><h4>Returns</h4>
<p>The name of <em class="parameter"><code>self</code></em>
. </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>
<hr>
<div class="refsect2">
<a name="ges-timeline-element-set-name"></a><h3>ges_timeline_element_set_name ()</h3>
<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
ges_timeline_element_set_name (<em class="parameter"><code><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *self</code></em>,
<em class="parameter"><code>const <a href="../glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>);</pre>
<p>Sets the name of object, or gives <em class="parameter"><code>self</code></em>
a guaranteed unique name (if name is NULL).
This function makes a copy of the provided name, so the caller retains ownership
of the name it sent.</p>
<div class="refsect3">
<a name="ges-timeline-element-set-name.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>self</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>The name <em class="parameter"><code>self</code></em>
should take (if avalaible<). </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-timeline-element-lookup-child"></a><h3>ges_timeline_element_lookup_child ()</h3>
<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
ges_timeline_element_lookup_child (<em class="parameter"><code><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *self</code></em>,
<em class="parameter"><code>const <a href="../glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *prop_name</code></em>,
<em class="parameter"><code><a href="../gobject/gobject-The-Base-Object-Type.html#GObject-struct"><span class="type">GObject</span></a> **child</code></em>,
<em class="parameter"><code><a href="../gobject/gobject-GParamSpec.html#GParamSpec"><span class="type">GParamSpec</span></a> **pspec</code></em>);</pre>
<p>Looks up which <em class="parameter"><code>element</code></em>
and <em class="parameter"><code>pspec</code></em>
would be effected by the given <em class="parameter"><code>name</code></em>
. If various
contained elements have this property name you will get the first one, unless you
specify the class name in <em class="parameter"><code>name</code></em>
.</p>
<div class="refsect3">
<a name="ges-timeline-element-lookup-child.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>self</p></td>
<td class="parameter_description"><p>object to lookup the property in</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>prop_name</p></td>
<td class="parameter_description"><p>name of the property to look up. You can specify the name of the
class as such: "ClassName::property-name", to guarantee that you get the
proper GParamSpec in case various GstElement-s contain the same property
name. If you don't do so, you will get the first element found, having
this property and the and the corresponding GParamSpec.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>child</p></td>
<td class="parameter_description"><p>pointer to a <a href="../gstreamer-1.0/GstElement.html#GstElement-struct"><span class="type">GstElement</span></a> that
takes the real object to set property on. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>][<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>pspec</p></td>
<td class="parameter_description"><p>pointer to take the <a href="../gobject/gobject-GParamSpec.html#GParamSpec"><span class="type">GParamSpec</span></a>
describing the property. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>][<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="ges-timeline-element-lookup-child.returns"></a><h4>Returns</h4>
<p> TRUE if <em class="parameter"><code>element</code></em>
and <em class="parameter"><code>pspec</code></em>
could be found. FALSE otherwise. In that
case the values for <em class="parameter"><code>pspec</code></em>
and <em class="parameter"><code>element</code></em>
are not modified. Unref <em class="parameter"><code>element</code></em>
after
usage.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-timeline-element-set-child-properties"></a><h3>ges_timeline_element_set_child_properties ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
ges_timeline_element_set_child_properties
(<em class="parameter"><code><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *self</code></em>,
<em class="parameter"><code>const <a href="../glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *first_property_name</code></em>,
<em class="parameter"><code>...</code></em>);</pre>
<p>Sets a property of a child of <em class="parameter"><code>self</code></em>
. If there are various child elements
that have the same property name, you can distinguish them using the following
syntax: 'ClasseName::property_name' as property name. If you don't, the
corresponding property of the first element found will be set.</p>
<div class="refsect3">
<a name="ges-timeline-element-set-child-properties.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>self</p></td>
<td class="parameter_description"><p>The <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> parent object</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>first_property_name</p></td>
<td class="parameter_description"><p>The name of the first property to set</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>...</p></td>
<td class="parameter_description"><p>value for the first property, followed optionally by more
name/return location pairs, followed by NULL</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-timeline-element-set-child-property"></a><h3>ges_timeline_element_set_child_property ()</h3>
<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
ges_timeline_element_set_child_property
(<em class="parameter"><code><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *self</code></em>,
<em class="parameter"><code>const <a href="../glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *property_name</code></em>,
<em class="parameter"><code><a href="../gobject/gobject-Generic-values.html#GValue"><span class="type">GValue</span></a> *value</code></em>);</pre>
<p>Sets a property of a child of <em class="parameter"><code>self</code></em>
</p>
<p>Note that <a class="link" href="GESTimelineElement.html#ges-timeline-element-set-child-property" title="ges_timeline_element_set_child_property ()"><span class="type">ges_timeline_element_set_child_property</span></a> is really
intended for language bindings, <a class="link" href="GESTimelineElement.html#ges-timeline-element-set-child-properties" title="ges_timeline_element_set_child_properties ()"><span class="type">ges_timeline_element_set_child_properties</span></a>
is much more convenient for C programming.</p>
<div class="refsect3">
<a name="ges-timeline-element-set-child-property.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>self</p></td>
<td class="parameter_description"><p>The origin <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>property_name</p></td>
<td class="parameter_description"><p>The name of the property</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>the value</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="ges-timeline-element-set-child-property.returns"></a><h4>Returns</h4>
<p> <a href="../glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the property was set, <a href="../glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwize</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-timeline-element-get-child-property"></a><h3>ges_timeline_element_get_child_property ()</h3>
<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
ges_timeline_element_get_child_property
(<em class="parameter"><code><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *self</code></em>,
<em class="parameter"><code>const <a href="../glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *property_name</code></em>,
<em class="parameter"><code><a href="../gobject/gobject-Generic-values.html#GValue"><span class="type">GValue</span></a> *value</code></em>);</pre>
<p>In general, a copy is made of the property contents and
the caller is responsible for freeing the memory by calling
<a href="../gobject/gobject-Generic-values.html#g-value-unset"><code class="function">g_value_unset()</code></a>.</p>
<p>Gets a property of a GstElement contained in <em class="parameter"><code>object</code></em>
.</p>
<p>Note that <a class="link" href="GESTimelineElement.html#ges-timeline-element-get-child-property" title="ges_timeline_element_get_child_property ()"><span class="type">ges_timeline_element_get_child_property</span></a> is really
intended for language bindings, <span class="type">ges_timeline_element_get_child_properties</span>
is much more convenient for C programming.</p>
<div class="refsect3">
<a name="ges-timeline-element-get-child-property.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>self</p></td>
<td class="parameter_description"><p>The origin <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>property_name</p></td>
<td class="parameter_description"><p>The name of the property</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>return location for the property value, it will
be initialized if it is initialized with 0. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="ges-timeline-element-get-child-property.returns"></a><h4>Returns</h4>
<p> <a href="../glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the property was found, <a href="../glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwize</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="ges-timeline-element-add-child-property"></a><h3>ges_timeline_element_add_child_property ()</h3>
<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
ges_timeline_element_add_child_property
(<em class="parameter"><code><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *self</code></em>,
<em class="parameter"><code><a href="../gobject/gobject-GParamSpec.html#GParamSpec"><span class="type">GParamSpec</span></a> *pspec</code></em>,
<em class="parameter"><code><a href="../gobject/gobject-The-Base-Object-Type.html#GObject-struct"><span class="type">GObject</span></a> *child</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="ges-timeline-element-remove-child-property"></a><h3>ges_timeline_element_remove_child_property ()</h3>
<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
ges_timeline_element_remove_child_property
(<em class="parameter"><code><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *self</code></em>,
<em class="parameter"><code><a href="../gobject/gobject-GParamSpec.html#GParamSpec"><span class="type">GParamSpec</span></a> *pspec</code></em>);</pre>
</div>
<hr>
<div class="refsect2">
<a name="ges-timeline-element-get-track-types"></a><h3>ges_timeline_element_get_track_types ()</h3>
<pre class="programlisting"><a class="link" href="ges-GES-Enums.html#GESTrackType" title="enum GESTrackType"><span class="returnvalue">GESTrackType</span></a>
ges_timeline_element_get_track_types (<em class="parameter"><code><a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *self</code></em>);</pre>
<p>Gets all the TrackTypes <em class="parameter"><code>self</code></em>
will interact with</p>
<div class="refsect3">
<a name="ges-timeline-element-get-track-types.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>self</p></td>
<td class="parameter_description"><p>A <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<p class="since">Since: 1.6.0</p>
</div>
<hr>
<div class="refsect2">
<a name="GES-TIMELINE-ELEMENT-PARENT:CAPS"></a><h3>GES_TIMELINE_ELEMENT_PARENT()</h3>
<pre class="programlisting">#define GES_TIMELINE_ELEMENT_PARENT(obj) (((GESTimelineElement*)obj)->parent)
</pre>
<p>The parent of the object.</p>
<div class="refsect3">
<a name="GES-TIMELINE-ELEMENT-PARENT.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>obj</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GES-TIMELINE-ELEMENT-TIMELINE:CAPS"></a><h3>GES_TIMELINE_ELEMENT_TIMELINE()</h3>
<pre class="programlisting">#define GES_TIMELINE_ELEMENT_TIMELINE(obj) (((GESTimelineElement*)obj)->timeline)
</pre>
<p>The timeline in which the object is.</p>
<div class="refsect3">
<a name="GES-TIMELINE-ELEMENT-TIMELINE.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>obj</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GES-TIMELINE-ELEMENT-START:CAPS"></a><h3>GES_TIMELINE_ELEMENT_START()</h3>
<pre class="programlisting">#define GES_TIMELINE_ELEMENT_START(obj) (((GESTimelineElement*)obj)->start)
</pre>
<p>The start position of the object (in nanoseconds).</p>
<div class="refsect3">
<a name="GES-TIMELINE-ELEMENT-START.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>obj</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GES-TIMELINE-ELEMENT-END:CAPS"></a><h3>GES_TIMELINE_ELEMENT_END()</h3>
<pre class="programlisting">#define GES_TIMELINE_ELEMENT_END(obj) ((((GESTimelineElement*)obj)->start) + (((GESTimelineElement*)obj)->duration))
</pre>
<p>The end position of the object (in nanoseconds).</p>
<div class="refsect3">
<a name="GES-TIMELINE-ELEMENT-END.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>obj</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GES-TIMELINE-ELEMENT-INPOINT:CAPS"></a><h3>GES_TIMELINE_ELEMENT_INPOINT()</h3>
<pre class="programlisting">#define GES_TIMELINE_ELEMENT_INPOINT(obj) (((GESTimelineElement*)obj)->inpoint)
</pre>
<p>The in-point of the object (in nanoseconds).</p>
<div class="refsect3">
<a name="GES-TIMELINE-ELEMENT-INPOINT.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>obj</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GES-TIMELINE-ELEMENT-DURATION:CAPS"></a><h3>GES_TIMELINE_ELEMENT_DURATION()</h3>
<pre class="programlisting">#define GES_TIMELINE_ELEMENT_DURATION(obj) (((GESTimelineElement*)obj)->duration)
</pre>
<p>The duration of the object (in nanoseconds).</p>
<div class="refsect3">
<a name="GES-TIMELINE-ELEMENT-DURATION.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>obj</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GES-TIMELINE-ELEMENT-MAX-DURATION:CAPS"></a><h3>GES_TIMELINE_ELEMENT_MAX_DURATION()</h3>
<pre class="programlisting">#define GES_TIMELINE_ELEMENT_MAX_DURATION(obj) (((GESTimelineElement*)obj)->maxduration)
</pre>
<p>The maximun duration of the object (in nanoseconds).</p>
<div class="refsect3">
<a name="GES-TIMELINE-ELEMENT-MAX-DURATION.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>obj</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GES-TIMELINE-ELEMENT-PRIORITY:CAPS"></a><h3>GES_TIMELINE_ELEMENT_PRIORITY()</h3>
<pre class="programlisting">#define GES_TIMELINE_ELEMENT_PRIORITY(obj) (((GESTimelineElement*)obj)->priority)
</pre>
<p>The priority of the object.</p>
<div class="refsect3">
<a name="GES-TIMELINE-ELEMENT-PRIORITY.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>obj</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GES-TIMELINE-ELEMENT-NAME:CAPS"></a><h3>GES_TIMELINE_ELEMENT_NAME()</h3>
<pre class="programlisting">#define GES_TIMELINE_ELEMENT_NAME(obj) (((GESTimelineElement*)obj)->name)
</pre>
<p>The name of the object.</p>
<div class="refsect3">
<a name="GES-TIMELINE-ELEMENT-NAME.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>obj</p></td>
<td class="parameter_description"><p>a <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="GESTimelineElement.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GESTimelineElement-struct"></a><h3>GESTimelineElement</h3>
<pre class="programlisting">typedef struct {
/*< read only >*/
GESTimelineElement *parent;
GESAsset *asset;
GstClockTime start;
GstClockTime inpoint;
GstClockTime duration;
GstClockTime maxduration;
guint32 priority;
GESTimeline *timeline;
gchar *name;
} GESTimelineElement;
</pre>
<p>Those filed can be accessed from outside but in no case should
be changed from there. Subclasses can write them but should make
sure to properly call g_object_notify.</p>
<div class="refsect3">
<a name="GESTimelineElement.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 class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> *<em class="structfield"><code><a name="GESTimelineElement-struct.parent"></a>parent</code></em>;</p></td>
<td class="struct_member_description"><p>The <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a> that controls the object</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a class="link" href="GESAsset.html" title="GESAsset"><span class="type">GESAsset</span></a> *<em class="structfield"><code><a name="GESTimelineElement-struct.asset"></a>asset</code></em>;</p></td>
<td class="struct_member_description"><p>The <a class="link" href="GESAsset.html" title="GESAsset"><span class="type">GESAsset</span></a> from which the object has been extracted</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../gstreamer-1.0/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> <em class="structfield"><code><a name="GESTimelineElement-struct.start"></a>start</code></em>;</p></td>
<td class="struct_member_description"><p>position (in time) of the object</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../gstreamer-1.0/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> <em class="structfield"><code><a name="GESTimelineElement-struct.inpoint"></a>inpoint</code></em>;</p></td>
<td class="struct_member_description"><p>Position in the media from which the object should be used</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../gstreamer-1.0/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> <em class="structfield"><code><a name="GESTimelineElement-struct.duration"></a>duration</code></em>;</p></td>
<td class="struct_member_description"><p>duration of the object to be used</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../gstreamer-1.0/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a> <em class="structfield"><code><a name="GESTimelineElement-struct.maxduration"></a>maxduration</code></em>;</p></td>
<td class="struct_member_description"><p>The maximum duration the object can have</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib/glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> <em class="structfield"><code><a name="GESTimelineElement-struct.priority"></a>priority</code></em>;</p></td>
<td class="struct_member_description"><p>priority of the object in the layer (0:top priority)</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a class="link" href="GESTimeline.html" title="GESTimeline"><span class="type">GESTimeline</span></a> *<em class="structfield"><code><a name="GESTimelineElement-struct.timeline"></a>timeline</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><a href="../glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *<em class="structfield"><code><a name="GESTimelineElement-struct.name"></a>name</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GESTimelineElementClass"></a><h3>GESTimelineElementClass</h3>
<pre class="programlisting">typedef struct {
GInitiallyUnownedClass parent_class;
gboolean (*set_parent) (GESTimelineElement * self, GESTimelineElement *parent);
gboolean (*set_start) (GESTimelineElement * self, GstClockTime start);
gboolean (*set_inpoint) (GESTimelineElement * self, GstClockTime inpoint);
gboolean (*set_duration) (GESTimelineElement * self, GstClockTime duration);
gboolean (*set_max_duration) (GESTimelineElement * self, GstClockTime maxduration);
gboolean (*set_priority) (GESTimelineElement * self, guint32 priority); /* set_priority is now protected */
gboolean (*ripple) (GESTimelineElement *self, guint64 start);
gboolean (*ripple_end) (GESTimelineElement *self, guint64 end);
gboolean (*roll_start) (GESTimelineElement *self, guint64 start);
gboolean (*roll_end) (GESTimelineElement *self, guint64 end);
gboolean (*trim) (GESTimelineElement *self, guint64 start);
void (*deep_copy) (GESTimelineElement *self, GESTimelineElement *copy);
GESTimelineElement * (*paste) (GESTimelineElement *self,
GESTimelineElement *ref_element,
GstClockTime paste_position);
GParamSpec** (*list_children_properties) (GESTimelineElement * self, guint *n_properties);
gboolean (*lookup_child) (GESTimelineElement *self, const gchar *prop_name,
GObject **child, GParamSpec **pspec);
GESTrackType (*get_track_types) (GESTimelineElement * self);
} GESTimelineElementClass;
</pre>
<p>The GESTimelineElement base class. Subclasses should override at least
<em class="parameter"><code>set_start</code></em>
<em class="parameter"><code>set_inpoint</code></em>
<em class="parameter"><code>set_duration</code></em>
<em class="parameter"><code>ripple</code></em>
<em class="parameter"><code>ripple_end</code></em>
<em class="parameter"><code>roll_start</code></em>
<em class="parameter"><code>roll_end</code></em>
and <em class="parameter"><code>trim</code></em>
.</p>
<p>Vmethods in subclasses should apply all the operation they need to but
the real method implementation is in charge of setting the proper field,
and emit the notify signal.</p>
<div class="refsect3">
<a name="GESTimelineElementClass.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><em class="structfield"><code><a name="GESTimelineElementClass.set-parent"></a>set_parent</code></em> ()</p></td>
<td class="struct_member_description"><p>method to set the parent of a <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a>.</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GESTimelineElementClass.set-start"></a>set_start</code></em> ()</p></td>
<td class="struct_member_description"><p>method to set the start of a <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GESTimelineElementClass.set-inpoint"></a>set_inpoint</code></em> ()</p></td>
<td class="struct_member_description"><p>method to set the inpoint of a <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GESTimelineElementClass.set-duration"></a>set_duration</code></em> ()</p></td>
<td class="struct_member_description"><p>method to set the duration of a <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GESTimelineElementClass.set-max-duration"></a>set_max_duration</code></em> ()</p></td>
<td class="struct_member_description"><p>method to set the maximun duration of a <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GESTimelineElementClass.set-priority"></a>set_priority</code></em> ()</p></td>
<td class="struct_member_description"><p>method to set the priority of a <a class="link" href="GESTimelineElement.html" title="GESTimelineElement"><span class="type">GESTimelineElement</span></a></p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GESTimelineElementClass.ripple"></a>ripple</code></em> ()</p></td>
<td class="struct_member_description"><p>method to ripple an object</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GESTimelineElementClass.ripple-end"></a>ripple_end</code></em> ()</p></td>
<td class="struct_member_description"><p>method to ripple an object on its <a class="link" href="ges-GES-Enums.html#GES-EDGE-END:CAPS"><span class="type">GES_EDGE_END</span></a> edge</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GESTimelineElementClass.roll-start"></a>roll_start</code></em> ()</p></td>
<td class="struct_member_description"><p>method to roll an object on its <a class="link" href="ges-GES-Enums.html#GES-EDGE-START:CAPS"><span class="type">GES_EDGE_START</span></a> edge</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GESTimelineElementClass.roll-end"></a>roll_end</code></em> ()</p></td>
<td class="struct_member_description"><p>method to roll an object on its <a class="link" href="ges-GES-Enums.html#GES-EDGE-END:CAPS"><span class="type">GES_EDGE_END</span></a> edge</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GESTimelineElementClass.trim"></a>trim</code></em> ()</p></td>
<td class="struct_member_description"><p>method to trim an object</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GESTimelineElementClass.deep-copy"></a>deep_copy</code></em> ()</p></td>
<td class="struct_member_description"><p>Copy the children properties of <em class="parameter"><code>self</code></em>
into <em class="parameter"><code>copy</code></em>
</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GESTimelineElementClass.paste"></a>paste</code></em> ()</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GESTimelineElementClass.list-children-properties"></a>list_children_properties</code></em> ()</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GESTimelineElementClass.lookup-child"></a>lookup_child</code></em> ()</p></td>
<td> </td>
<td> </td>
</tr>
<tr>
<td class="struct_member_name"><p><em class="structfield"><code><a name="GESTimelineElementClass.get-track-types"></a>get_track_types</code></em> ()</p></td>
<td> </td>
<td> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
</div>
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