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<a href="#GESTrackAudioTestSource.description" class="shortcut">Description</a>
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<a href="#GESTrackAudioTestSource.object-hierarchy" class="shortcut">Object Hierarchy</a>
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<a name="GESTrackAudioTestSource"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="GESTrackAudioTestSource.top_of_page"></a>GESTrackAudioTestSource</span></h2>
<p>GESTrackAudioTestSource — produce a simple test waveform or silence</p>
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<div class="refsynopsisdiv">
<a name="GESTrackAudioTestSource.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include <ges/ges.h>
<a class="link" href="GESTrackAudioTestSource.html#GESTrackAudioTestSource-struct" title="GESTrackAudioTestSource">GESTrackAudioTestSource</a>;
<a class="link" href="GESTrackAudioTestSource.html" title="GESTrackAudioTestSource"><span class="returnvalue">GESTrackAudioTestSource</span></a> * <a class="link" href="GESTrackAudioTestSource.html#ges-track-audio-test-source-new" title="ges_track_audio_test_source_new ()">ges_track_audio_test_source_new</a>
(<em class="parameter"><code><span class="type">void</span></code></em>);
<span class="returnvalue">void</span> <a class="link" href="GESTrackAudioTestSource.html#ges-track-audio-test-source-set-freq" title="ges_track_audio_test_source_set_freq ()">ges_track_audio_test_source_set_freq</a>
(<em class="parameter"><code><a class="link" href="GESTrackAudioTestSource.html" title="GESTrackAudioTestSource"><span class="type">GESTrackAudioTestSource</span></a> *self</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> freq</code></em>);
<span class="returnvalue">void</span> <a class="link" href="GESTrackAudioTestSource.html#ges-track-audio-test-source-set-volume" title="ges_track_audio_test_source_set_volume ()">ges_track_audio_test_source_set_volume</a>
(<em class="parameter"><code><a class="link" href="GESTrackAudioTestSource.html" title="GESTrackAudioTestSource"><span class="type">GESTrackAudioTestSource</span></a> *self</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> volume</code></em>);
<span class="returnvalue">double</span> <a class="link" href="GESTrackAudioTestSource.html#ges-track-audio-test-source-get-freq" title="ges_track_audio_test_source_get_freq ()">ges_track_audio_test_source_get_freq</a>
(<em class="parameter"><code><a class="link" href="GESTrackAudioTestSource.html" title="GESTrackAudioTestSource"><span class="type">GESTrackAudioTestSource</span></a> *self</code></em>);
<span class="returnvalue">double</span> <a class="link" href="GESTrackAudioTestSource.html#ges-track-audio-test-source-get-volume" title="ges_track_audio_test_source_get_volume ()">ges_track_audio_test_source_get_volume</a>
(<em class="parameter"><code><a class="link" href="GESTrackAudioTestSource.html" title="GESTrackAudioTestSource"><span class="type">GESTrackAudioTestSource</span></a> *self</code></em>);
</pre>
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<div class="refsect1">
<a name="GESTrackAudioTestSource.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
<a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a>
+----<a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
+----<a class="link" href="GESTrackObject.html" title="GESTrackObject">GESTrackObject</a>
+----<a class="link" href="GESTrackSource.html" title="GESTrackSource">GESTrackSource</a>
+----GESTrackAudioTestSource
</pre>
</div>
<div class="refsect1">
<a name="GESTrackAudioTestSource.description"></a><h2>Description</h2>
<p>
Outputs a test audio stream using audiotestsrc. The default property values
output silence. Useful for testing pipelines, or to fill gaps in an audio
track.
</p>
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<div class="refsect1">
<a name="GESTrackAudioTestSource.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GESTrackAudioTestSource-struct"></a><h3>GESTrackAudioTestSource</h3>
<pre class="programlisting">typedef struct _GESTrackAudioTestSource GESTrackAudioTestSource;</pre>
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<div class="refsect2">
<a name="ges-track-audio-test-source-new"></a><h3>ges_track_audio_test_source_new ()</h3>
<pre class="programlisting"><a class="link" href="GESTrackAudioTestSource.html" title="GESTrackAudioTestSource"><span class="returnvalue">GESTrackAudioTestSource</span></a> * ges_track_audio_test_source_new
(<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Creates a new <a class="link" href="GESTrackAudioTestSource.html" title="GESTrackAudioTestSource"><span class="type">GESTrackAudioTestSource</span></a>.
</p>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The newly created <a class="link" href="GESTrackAudioTestSource.html" title="GESTrackAudioTestSource"><span class="type">GESTrackAudioTestSource</span></a>.</td>
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</table></div>
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<div class="refsect2">
<a name="ges-track-audio-test-source-set-freq"></a><h3>ges_track_audio_test_source_set_freq ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> ges_track_audio_test_source_set_freq
(<em class="parameter"><code><a class="link" href="GESTrackAudioTestSource.html" title="GESTrackAudioTestSource"><span class="type">GESTrackAudioTestSource</span></a> *self</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> freq</code></em>);</pre>
<p>
Lets you set the frequency applied on the track object
</p>
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<td><p><span class="term"><em class="parameter"><code>self</code></em> :</span></p></td>
<td>a <a class="link" href="GESTrackAudioTestSource.html" title="GESTrackAudioTestSource"><span class="type">GESTrackAudioTestSource</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>freq</code></em> :</span></p></td>
<td>The frequency you want to apply on <em class="parameter"><code>self</code></em>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="ges-track-audio-test-source-set-volume"></a><h3>ges_track_audio_test_source_set_volume ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> ges_track_audio_test_source_set_volume
(<em class="parameter"><code><a class="link" href="GESTrackAudioTestSource.html" title="GESTrackAudioTestSource"><span class="type">GESTrackAudioTestSource</span></a> *self</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> volume</code></em>);</pre>
<p>
Sets the volume of the test audio signal.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>self</code></em> :</span></p></td>
<td>a <a class="link" href="GESTrackAudioTestSource.html" title="GESTrackAudioTestSource"><span class="type">GESTrackAudioTestSource</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>volume</code></em> :</span></p></td>
<td>The volume you want to apply on <em class="parameter"><code>self</code></em>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="ges-track-audio-test-source-get-freq"></a><h3>ges_track_audio_test_source_get_freq ()</h3>
<pre class="programlisting"><span class="returnvalue">double</span> ges_track_audio_test_source_get_freq
(<em class="parameter"><code><a class="link" href="GESTrackAudioTestSource.html" title="GESTrackAudioTestSource"><span class="type">GESTrackAudioTestSource</span></a> *self</code></em>);</pre>
<p>
Get the current frequency of <em class="parameter"><code>self</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>self</code></em> :</span></p></td>
<td>a <a class="link" href="GESTrackAudioTestSource.html" title="GESTrackAudioTestSource"><span class="type">GESTrackAudioTestSource</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The current frequency of <em class="parameter"><code>self</code></em>.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="ges-track-audio-test-source-get-volume"></a><h3>ges_track_audio_test_source_get_volume ()</h3>
<pre class="programlisting"><span class="returnvalue">double</span> ges_track_audio_test_source_get_volume
(<em class="parameter"><code><a class="link" href="GESTrackAudioTestSource.html" title="GESTrackAudioTestSource"><span class="type">GESTrackAudioTestSource</span></a> *self</code></em>);</pre>
<p>
Get the current volume of <em class="parameter"><code>self</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>self</code></em> :</span></p></td>
<td>a <a class="link" href="GESTrackAudioTestSource.html" title="GESTrackAudioTestSource"><span class="type">GESTrackAudioTestSource</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The current volume of <em class="parameter"><code>self</code></em>
</td>
</tr>
</tbody>
</table></div>
</div>
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