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<div class="refentry" lang="en">
<a name="gst-plugins-base-libs-gsttuner"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2>
<a name="id2613168"></a><span class="refentrytitle">gsttuner</span>
</h2>
<p>gsttuner — Interface for elements providing tuner operations</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<a name="GstTuner"></a><pre class="synopsis">
#include <gst/interfaces/tuner.h>
<a href="gst-plugins-base-libs-gsttuner.html#GstTuner-struct">GstTuner</a>;
const GList* <a href="gst-plugins-base-libs-gsttuner.html#gst-tuner-list-channels">gst_tuner_list_channels</a> (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *tuner);
<a href="gst-plugins-base-libs-gsttunerchannel.html#GstTunerChannel">GstTunerChannel</a>* <a href="gst-plugins-base-libs-gsttuner.html#gst-tuner-get-channel">gst_tuner_get_channel</a> (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *tuner);
void <a href="gst-plugins-base-libs-gsttuner.html#gst-tuner-set-channel">gst_tuner_set_channel</a> (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *tuner,
<a href="gst-plugins-base-libs-gsttunerchannel.html#GstTunerChannel">GstTunerChannel</a> *channel);
const GList* <a href="gst-plugins-base-libs-gsttuner.html#gst-tuner-list-norms">gst_tuner_list_norms</a> (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *tuner);
<a href="gst-plugins-base-libs-gsttunernorm.html#GstTunerNorm">GstTunerNorm</a>* <a href="gst-plugins-base-libs-gsttuner.html#gst-tuner-get-norm">gst_tuner_get_norm</a> (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *tuner);
void <a href="gst-plugins-base-libs-gsttuner.html#gst-tuner-set-norm">gst_tuner_set_norm</a> (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *tuner,
<a href="gst-plugins-base-libs-gsttunernorm.html#GstTunerNorm">GstTunerNorm</a> *norm);
gulong <a href="gst-plugins-base-libs-gsttuner.html#gst-tuner-get-frequency">gst_tuner_get_frequency</a> (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *tuner,
<a href="gst-plugins-base-libs-gsttunerchannel.html#GstTunerChannel">GstTunerChannel</a> *channel);
void <a href="gst-plugins-base-libs-gsttuner.html#gst-tuner-set-frequency">gst_tuner_set_frequency</a> (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *tuner,
<a href="gst-plugins-base-libs-gsttunerchannel.html#GstTunerChannel">GstTunerChannel</a> *channel,
gulong frequency);
gint <a href="gst-plugins-base-libs-gsttuner.html#gst-tuner-signal-strength">gst_tuner_signal_strength</a> (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *tuner,
<a href="gst-plugins-base-libs-gsttunerchannel.html#GstTunerChannel">GstTunerChannel</a> *channel);
<a href="gst-plugins-base-libs-gsttunernorm.html#GstTunerNorm">GstTunerNorm</a>* <a href="gst-plugins-base-libs-gsttuner.html#gst-tuner-find-norm-by-name">gst_tuner_find_norm_by_name</a> (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *tuner,
gchar *norm);
<a href="gst-plugins-base-libs-gsttunerchannel.html#GstTunerChannel">GstTunerChannel</a>* <a href="gst-plugins-base-libs-gsttuner.html#gst-tuner-find-channel-by-name">gst_tuner_find_channel_by_name</a> (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *tuner,
gchar *channel);
void <a href="gst-plugins-base-libs-gsttuner.html#gst-tuner-channel-changed">gst_tuner_channel_changed</a> (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *tuner,
<a href="gst-plugins-base-libs-gsttunerchannel.html#GstTunerChannel">GstTunerChannel</a> *channel);
void <a href="gst-plugins-base-libs-gsttuner.html#gst-tuner-norm-changed">gst_tuner_norm_changed</a> (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *tuner,
<a href="gst-plugins-base-libs-gsttunernorm.html#GstTunerNorm">GstTunerNorm</a> *norm);
void <a href="gst-plugins-base-libs-gsttuner.html#gst-tuner-frequency-changed">gst_tuner_frequency_changed</a> (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *tuner,
<a href="gst-plugins-base-libs-gsttunerchannel.html#GstTunerChannel">GstTunerChannel</a> *channel,
gulong frequency);
void <a href="gst-plugins-base-libs-gsttuner.html#gst-tuner-signal-changed">gst_tuner_signal_changed</a> (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *tuner,
<a href="gst-plugins-base-libs-gsttunerchannel.html#GstTunerChannel">GstTunerChannel</a> *channel,
gint signal);
</pre>
</div>
<div class="refsect1" lang="en">
<a name="id2613660"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
GInterface
+----GstTuner
</pre>
</div>
<div class="refsect1" lang="en">
<a name="id2613685"></a><h2>Prerequisites</h2>
<p>
GstTuner requires
GstObject, GstImplementsInterface and GstElement.</p>
</div>
<div class="refsect1" lang="en">
<a name="id2613721"></a><h2>Signals</h2>
<pre class="synopsis">
"<a href="gst-plugins-base-libs-gsttuner.html#GstTuner-channel-changed">channel-changed</a>" : Run Last
"<a href="gst-plugins-base-libs-gsttuner.html#GstTuner-frequency-changed">frequency-changed</a>" : Run Last
"<a href="gst-plugins-base-libs-gsttuner.html#GstTuner-norm-changed">norm-changed</a>" : Run Last
"<a href="gst-plugins-base-libs-gsttuner.html#GstTuner-signal-changed">signal-changed</a>" : Run Last
</pre>
</div>
<div class="refsect1" lang="en">
<a name="id2613780"></a><h2>Description</h2>
<p>
</p>
<p>
</p>
</div>
<div class="refsect1" lang="en">
<a name="id2613798"></a><h2>Details</h2>
<div class="refsect2" lang="en">
<a name="id2613808"></a><h3>
<a name="GstTuner-struct"></a>GstTuner</h3>
<a class="indexterm" name="id2613820"></a><pre class="programlisting">typedef struct _GstTuner GstTuner;</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2613835"></a><h3>
<a name="gst-tuner-list-channels"></a>gst_tuner_list_channels ()</h3>
<a class="indexterm" name="id2613849"></a><pre class="programlisting">const GList* gst_tuner_list_channels (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *tuner);</pre>
<p>
Retrieve a list of channels (e.g. 'composite', 's-video', ...)
from the given tuner object.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><span class="term"><em class="parameter"><code>tuner</code></em> :</span></td>
<td> the <a href="gst-plugins-base-libs-gsttuner.html#GstTuner"><span class="type">GstTuner</span></a> (a <span class="type">GstElement</span>) to get the channels from.
</td>
</tr>
<tr>
<td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td>
<td> a list of channels available on this tuner.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2613929"></a><h3>
<a name="gst-tuner-get-channel"></a>gst_tuner_get_channel ()</h3>
<a class="indexterm" name="id2613942"></a><pre class="programlisting"><a href="gst-plugins-base-libs-gsttunerchannel.html#GstTunerChannel">GstTunerChannel</a>* gst_tuner_get_channel (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *tuner);</pre>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><span class="term"><em class="parameter"><code>tuner</code></em> :</span></td>
<td>
</td>
</tr>
<tr>
<td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td>
<td>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2613999"></a><h3>
<a name="gst-tuner-set-channel"></a>gst_tuner_set_channel ()</h3>
<a class="indexterm" name="id2614012"></a><pre class="programlisting">void gst_tuner_set_channel (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *tuner,
<a href="gst-plugins-base-libs-gsttunerchannel.html#GstTunerChannel">GstTunerChannel</a> *channel);</pre>
<p>
Tunes the object to the given channel.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><span class="term"><em class="parameter"><code>tuner</code></em> :</span></td>
<td> the <a href="gst-plugins-base-libs-gsttuner.html#GstTuner"><span class="type">GstTuner</span></a> (a <span class="type">GstElement</span>) that owns the channel.
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>channel</code></em> :</span></td>
<td> the channel to tune to.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2614101"></a><h3>
<a name="gst-tuner-list-norms"></a>gst_tuner_list_norms ()</h3>
<a class="indexterm" name="id2614114"></a><pre class="programlisting">const GList* gst_tuner_list_norms (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *tuner);</pre>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><span class="term"><em class="parameter"><code>tuner</code></em> :</span></td>
<td>
</td>
</tr>
<tr>
<td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td>
<td>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2614172"></a><h3>
<a name="gst-tuner-get-norm"></a>gst_tuner_get_norm ()</h3>
<a class="indexterm" name="id2614185"></a><pre class="programlisting"><a href="gst-plugins-base-libs-gsttunernorm.html#GstTunerNorm">GstTunerNorm</a>* gst_tuner_get_norm (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *tuner);</pre>
<p>
Get the current video norm from the given tuner object for the
currently selected channel.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><span class="term"><em class="parameter"><code>tuner</code></em> :</span></td>
<td> the <a href="gst-plugins-base-libs-gsttuner.html#GstTuner"><span class="type">GstTuner</span></a> (a <span class="type">GstElement</span>) to get the current norm from.
</td>
</tr>
<tr>
<td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td>
<td> the current norm.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2614263"></a><h3>
<a name="gst-tuner-set-norm"></a>gst_tuner_set_norm ()</h3>
<a class="indexterm" name="id2614276"></a><pre class="programlisting">void gst_tuner_set_norm (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *tuner,
<a href="gst-plugins-base-libs-gsttunernorm.html#GstTunerNorm">GstTunerNorm</a> *norm);</pre>
<p>
Changes the video norm on this tuner to the given norm.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><span class="term"><em class="parameter"><code>tuner</code></em> :</span></td>
<td> the <a href="gst-plugins-base-libs-gsttuner.html#GstTuner"><span class="type">GstTuner</span></a> (a <span class="type">GstElement</span>) to set the norm on.
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>norm</code></em> :</span></td>
<td> the norm to use for the current channel.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2614365"></a><h3>
<a name="gst-tuner-get-frequency"></a>gst_tuner_get_frequency ()</h3>
<a class="indexterm" name="id2614379"></a><pre class="programlisting">gulong gst_tuner_get_frequency (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *tuner,
<a href="gst-plugins-base-libs-gsttunerchannel.html#GstTunerChannel">GstTunerChannel</a> *channel);</pre>
<p>
Retrieve the current frequency from the given channel. The same
applies as for <code class="function">set_frequency()</code>: check the flag.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><span class="term"><em class="parameter"><code>tuner</code></em> :</span></td>
<td> the <a href="gst-plugins-base-libs-gsttuner.html#GstTuner"><span class="type">GstTuner</span></a> (a <span class="type">GstElement</span>) that owns the given channel.
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>channel</code></em> :</span></td>
<td> the <a href="gst-plugins-base-libs-gsttunerchannel.html#GstTunerChannel"><span class="type">GstTunerChannel</span></a> to retrieve the frequency from.
</td>
</tr>
<tr>
<td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td>
<td> the current frequency, or 0 on error.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2614500"></a><h3>
<a name="gst-tuner-set-frequency"></a>gst_tuner_set_frequency ()</h3>
<a class="indexterm" name="id2614514"></a><pre class="programlisting">void gst_tuner_set_frequency (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *tuner,
<a href="gst-plugins-base-libs-gsttunerchannel.html#GstTunerChannel">GstTunerChannel</a> *channel,
gulong frequency);</pre>
<p>
Sets a tuning frequency on the given tuner/channel. Note that this
requires the given channel to be a "tuning" channel, which can be
checked using <a href="gst-plugins-base-libs-gsttunerchannel.html#GST-TUNER-CHANNEL-HAS-FLAG:CAPS"><code class="function">GST_TUNER_CHANNEL_HAS_FLAG()</code></a>, with the proper flag
being GST_TUNER_CHANNEL_FREQUENCY.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><span class="term"><em class="parameter"><code>tuner</code></em> :</span></td>
<td> the <span class="type">Gsttuner</span> (a <span class="type">GstElement</span>) that owns the given channel.
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>channel</code></em> :</span></td>
<td> the <a href="gst-plugins-base-libs-gsttunerchannel.html#GstTunerChannel"><span class="type">GstTunerChannel</span></a> to set the frequency on.
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>frequency</code></em> :</span></td>
<td> the frequency to tune in to.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2614650"></a><h3>
<a name="gst-tuner-signal-strength"></a>gst_tuner_signal_strength ()</h3>
<a class="indexterm" name="id2614664"></a><pre class="programlisting">gint gst_tuner_signal_strength (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *tuner,
<a href="gst-plugins-base-libs-gsttunerchannel.html#GstTunerChannel">GstTunerChannel</a> *channel);</pre>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><span class="term"><em class="parameter"><code>tuner</code></em> :</span></td>
<td>
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>channel</code></em> :</span></td>
<td>
</td>
</tr>
<tr>
<td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td>
<td>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2614742"></a><h3>
<a name="gst-tuner-find-norm-by-name"></a>gst_tuner_find_norm_by_name ()</h3>
<a class="indexterm" name="id2614756"></a><pre class="programlisting"><a href="gst-plugins-base-libs-gsttunernorm.html#GstTunerNorm">GstTunerNorm</a>* gst_tuner_find_norm_by_name (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *tuner,
gchar *norm);</pre>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><span class="term"><em class="parameter"><code>tuner</code></em> :</span></td>
<td>
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>norm</code></em> :</span></td>
<td>
</td>
</tr>
<tr>
<td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td>
<td>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2614833"></a><h3>
<a name="gst-tuner-find-channel-by-name"></a>gst_tuner_find_channel_by_name ()</h3>
<a class="indexterm" name="id2614846"></a><pre class="programlisting"><a href="gst-plugins-base-libs-gsttunerchannel.html#GstTunerChannel">GstTunerChannel</a>* gst_tuner_find_channel_by_name (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *tuner,
gchar *channel);</pre>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><span class="term"><em class="parameter"><code>tuner</code></em> :</span></td>
<td>
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>channel</code></em> :</span></td>
<td>
</td>
</tr>
<tr>
<td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td>
<td>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2614924"></a><h3>
<a name="gst-tuner-channel-changed"></a>gst_tuner_channel_changed ()</h3>
<a class="indexterm" name="id2614938"></a><pre class="programlisting">void gst_tuner_channel_changed (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *tuner,
<a href="gst-plugins-base-libs-gsttunerchannel.html#GstTunerChannel">GstTunerChannel</a> *channel);</pre>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><span class="term"><em class="parameter"><code>tuner</code></em> :</span></td>
<td>
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>channel</code></em> :</span></td>
<td>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2615006"></a><h3>
<a name="gst-tuner-norm-changed"></a>gst_tuner_norm_changed ()</h3>
<a class="indexterm" name="id2615019"></a><pre class="programlisting">void gst_tuner_norm_changed (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *tuner,
<a href="gst-plugins-base-libs-gsttunernorm.html#GstTunerNorm">GstTunerNorm</a> *norm);</pre>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><span class="term"><em class="parameter"><code>tuner</code></em> :</span></td>
<td>
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>norm</code></em> :</span></td>
<td>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2615087"></a><h3>
<a name="gst-tuner-frequency-changed"></a>gst_tuner_frequency_changed ()</h3>
<a class="indexterm" name="id2615101"></a><pre class="programlisting">void gst_tuner_frequency_changed (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *tuner,
<a href="gst-plugins-base-libs-gsttunerchannel.html#GstTunerChannel">GstTunerChannel</a> *channel,
gulong frequency);</pre>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><span class="term"><em class="parameter"><code>tuner</code></em> :</span></td>
<td>
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>channel</code></em> :</span></td>
<td>
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>frequency</code></em> :</span></td>
<td>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2615190"></a><h3>
<a name="gst-tuner-signal-changed"></a>gst_tuner_signal_changed ()</h3>
<a class="indexterm" name="id2615204"></a><pre class="programlisting">void gst_tuner_signal_changed (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *tuner,
<a href="gst-plugins-base-libs-gsttunerchannel.html#GstTunerChannel">GstTunerChannel</a> *channel,
gint signal);</pre>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><span class="term"><em class="parameter"><code>tuner</code></em> :</span></td>
<td>
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>channel</code></em> :</span></td>
<td>
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>signal</code></em> :</span></td>
<td>
</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<div class="refsect1" lang="en">
<a name="id2615294"></a><h2>Signal Details</h2>
<div class="refsect2" lang="en">
<a name="id2615304"></a><h3>
<a name="GstTuner-channel-changed"></a>The "channel-changed" signal</h3>
<a class="indexterm" name="id2615316"></a><pre class="programlisting">void user_function (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *gsttuner,
<a href="gst-plugins-base-libs-gsttunerchannel.html#GstTunerChannel">GstTunerChannel</a> *arg1,
gpointer user_data) : Run Last</pre>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><span class="term"><em class="parameter"><code>gsttuner</code></em> :</span></td>
<td>the object which received the signal.
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>arg1</code></em> :</span></td>
<td>
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>user_data</code></em> :</span></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2615406"></a><h3>
<a name="GstTuner-frequency-changed"></a>The "frequency-changed" signal</h3>
<a class="indexterm" name="id2615416"></a><pre class="programlisting">void user_function (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *gsttuner,
<a href="gst-plugins-base-libs-gsttunerchannel.html#GstTunerChannel">GstTunerChannel</a> *arg1,
gulong arg2,
gpointer user_data) : Run Last</pre>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><span class="term"><em class="parameter"><code>gsttuner</code></em> :</span></td>
<td>the object which received the signal.
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>arg1</code></em> :</span></td>
<td>
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>arg2</code></em> :</span></td>
<td>
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>user_data</code></em> :</span></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2615528"></a><h3>
<a name="GstTuner-norm-changed"></a>The "norm-changed" signal</h3>
<a class="indexterm" name="id2615539"></a><pre class="programlisting">void user_function (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *gsttuner,
<a href="gst-plugins-base-libs-gsttunernorm.html#GstTunerNorm">GstTunerNorm</a> *arg1,
gpointer user_data) : Run Last</pre>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><span class="term"><em class="parameter"><code>gsttuner</code></em> :</span></td>
<td>the object which received the signal.
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>arg1</code></em> :</span></td>
<td>
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>user_data</code></em> :</span></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id2615629"></a><h3>
<a name="GstTuner-signal-changed"></a>The "signal-changed" signal</h3>
<a class="indexterm" name="id2615640"></a><pre class="programlisting">void user_function (<a href="gst-plugins-base-libs-gsttuner.html#GstTuner">GstTuner</a> *gsttuner,
<a href="gst-plugins-base-libs-gsttunerchannel.html#GstTunerChannel">GstTunerChannel</a> *arg1,
gint arg2,
gpointer user_data) : Run Last</pre>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><span class="term"><em class="parameter"><code>gsttuner</code></em> :</span></td>
<td>the object which received the signal.
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>arg1</code></em> :</span></td>
<td>
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>arg2</code></em> :</span></td>
<td>
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>user_data</code></em> :</span></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
</body>
</html>
