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<th width="100%" align="center">GNonLin 0.10.17 Reference Manual</th>
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<a href="#GnlObject.synopsis" class="shortcut">Top</a>
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<a href="#GnlObject.description" class="shortcut">Description</a>
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<a href="#GnlObject.object-hierarchy" class="shortcut">Object Hierarchy</a>
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<a href="#GnlObject.implemented-interfaces" class="shortcut">Implemented Interfaces</a>
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<a href="#GnlObject.properties" class="shortcut">Properties</a>
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<a name="GnlObject"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="GnlObject.top_of_page"></a>GnlObject</span></h2>
<p>GnlObject — Base class for GNonLin elements</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<a name="GnlObject.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis"> <a class="link" href="GnlObject.html#GnlObject-struct" title="GnlObject">GnlObject</a>;
</pre>
</div>
<div class="refsect1">
<a name="GnlObject.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
GObject
+----GstObject
+----GstElement
+----GstBin
+----GnlObject
+----<a class="link" href="GnlComposition.html" title="GnlComposition">GnlComposition</a>
+----<a class="link" href="GnlOperation.html" title="GnlOperation">GnlOperation</a>
+----<a class="link" href="GnlSource.html" title="GnlSource">GnlSource</a>
</pre>
</div>
<div class="refsect1">
<a name="GnlObject.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
GnlObject implements
GstChildProxy.</p>
</div>
<div class="refsect1">
<a name="GnlObject.properties"></a><h2>Properties</h2>
<pre class="synopsis">
"<a class="link" href="GnlObject.html#GnlObject--active" title='The "active" property'>active</a>" <span class="type">gboolean</span> : Read / Write
"<a class="link" href="GnlObject.html#GnlObject--caps" title='The "caps" property'>caps</a>" <span class="type">GstCaps</span>* : Read / Write
"<a class="link" href="GnlObject.html#GnlObject--duration" title='The "duration" property'>duration</a>" <span class="type">gint64</span> : Read / Write
"<a class="link" href="GnlObject.html#GnlObject--media-duration" title='The "media-duration" property'>media-duration</a>" <span class="type">gint64</span> : Read / Write
"<a class="link" href="GnlObject.html#GnlObject--media-start" title='The "media-start" property'>media-start</a>" <span class="type">guint64</span> : Read / Write
"<a class="link" href="GnlObject.html#GnlObject--media-stop" title='The "media-stop" property'>media-stop</a>" <span class="type">guint64</span> : Read
"<a class="link" href="GnlObject.html#GnlObject--priority" title='The "priority" property'>priority</a>" <span class="type">guint</span> : Read / Write
"<a class="link" href="GnlObject.html#GnlObject--rate" title='The "rate" property'>rate</a>" <span class="type">gdouble</span> : Read
"<a class="link" href="GnlObject.html#GnlObject--start" title='The "start" property'>start</a>" <span class="type">guint64</span> : Read / Write
"<a class="link" href="GnlObject.html#GnlObject--stop" title='The "stop" property'>stop</a>" <span class="type">guint64</span> : Read
"<a class="link" href="GnlObject.html#GnlObject--expandable" title='The "expandable" property'>expandable</a>" <span class="type">gboolean</span> : Read / Write
</pre>
</div>
<div class="refsect1">
<a name="GnlObject.description"></a><h2>Description</h2>
<p>
</p>
<div class="refsect2">
<a name="id-1.3.2.7.2.1"></a><p>
GnlObject encapsulates default behaviour and implements standard
properties provided by all the GNonLin elements.
</p>
</div>
<p>
</p>
</div>
<div class="refsect1">
<a name="GnlObject.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GnlObject-struct"></a><h3>GnlObject</h3>
<pre class="programlisting">typedef struct _GnlObject GnlObject;</pre>
<p>
</p>
</div>
</div>
<div class="refsect1">
<a name="GnlObject.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GnlObject--active"></a><h3>The <code class="literal">"active"</code> property</h3>
<pre class="programlisting"> "active" <span class="type">gboolean</span> : Read / Write</pre>
<p>
Indicates whether this object should be used by its container.
</p>
<p>
Set to <span class="type">TRUE</span> to temporarily disable this object in a <a class="link" href="GnlComposition.html" title="GnlComposition"><span class="type">GnlComposition</span></a>.
</p>
<p>Default value: TRUE</p>
</div>
<hr>
<div class="refsect2">
<a name="GnlObject--caps"></a><h3>The <code class="literal">"caps"</code> property</h3>
<pre class="programlisting"> "caps" <span class="type">GstCaps</span>* : Read / Write</pre>
<p>
Caps used to filter/choose the output stream.
</p>
<p>
If the controlled object produces several stream, you can set this
property to choose a specific stream.
</p>
<p>
If nothing is specified then a source pad will be chosen at random.
</p>
</div>
<hr>
<div class="refsect2">
<a name="GnlObject--duration"></a><h3>The <code class="literal">"duration"</code> property</h3>
<pre class="programlisting"> "duration" <span class="type">gint64</span> : Read / Write</pre>
<p>
The outgoing duration in nanoseconds.
</p>
<p>Allowed values: >= 0</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GnlObject--media-duration"></a><h3>The <code class="literal">"media-duration"</code> property</h3>
<pre class="programlisting"> "media-duration" <span class="type">gint64</span> : Read / Write</pre>
<p>Duration of the media (in nanoseconds), can be negative.</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GnlObject--media-start"></a><h3>The <code class="literal">"media-start"</code> property</h3>
<pre class="programlisting"> "media-start" <span class="type">guint64</span> : Read / Write</pre>
<p>The media start position (in nanoseconds).</p>
<p>Default value: 18446744073709551615</p>
</div>
<hr>
<div class="refsect2">
<a name="GnlObject--media-stop"></a><h3>The <code class="literal">"media-stop"</code> property</h3>
<pre class="programlisting"> "media-stop" <span class="type">guint64</span> : Read</pre>
<p>The media stop position (in nanoseconds).</p>
<p>Default value: 18446744073709551615</p>
</div>
<hr>
<div class="refsect2">
<a name="GnlObject--priority"></a><h3>The <code class="literal">"priority"</code> property</h3>
<pre class="programlisting"> "priority" <span class="type">guint</span> : Read / Write</pre>
<p>
The priority of the object in the container.
</p>
<p>
The highest priority is 0, meaning this object will be selected over
any other between start and stop.
</p>
<p>
The lowest priority is G_MAXUINT32.
</p>
<p>
Objects whose priority is (-1) will be considered as 'default' objects
in GnlComposition and their start/stop values will be modified as to
fit the whole duration of the composition.
</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GnlObject--rate"></a><h3>The <code class="literal">"rate"</code> property</h3>
<pre class="programlisting"> "rate" <span class="type">gdouble</span> : Read</pre>
<p>
The rate applied to the controlled output.
</p>
<p>
This is a read-only value computed from duration and media_duration.
</p>
<p>Default value: 1</p>
</div>
<hr>
<div class="refsect2">
<a name="GnlObject--start"></a><h3>The <code class="literal">"start"</code> property</h3>
<pre class="programlisting"> "start" <span class="type">guint64</span> : Read / Write</pre>
<p>
The start position relative to the parent in nanoseconds.
</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GnlObject--stop"></a><h3>The <code class="literal">"stop"</code> property</h3>
<pre class="programlisting"> "stop" <span class="type">guint64</span> : Read</pre>
<p>
The stop position relative to the parent in nanoseconds.
</p>
<p>
This value is computed based on the values of start and duration.
</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GnlObject--expandable"></a><h3>The <code class="literal">"expandable"</code> property</h3>
<pre class="programlisting"> "expandable" <span class="type">gboolean</span> : Read / Write</pre>
<p>
Indicates whether this object should expand to the full duration of its
container <a class="link" href="GnlComposition.html" title="GnlComposition"><span class="type">GnlComposition</span></a>.
</p>
<p>Default value: FALSE</p>
</div>
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