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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
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<title>rtpdtmfdepay: GStreamer Good Plugins 1.0 Plugins Reference Manual</title>
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<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle">
<td width="100%" align="left" class="shortcuts">
<a href="#" class="shortcut">Top</a><span id="nav_description">  <span class="dim">|</span> 
                  <a href="#gst-plugins-good-plugins-rtpdtmfdepay.description" class="shortcut">Description</a></span><span id="nav_hierarchy">  <span class="dim">|</span> 
                  <a href="#gst-plugins-good-plugins-rtpdtmfdepay.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_properties">  <span class="dim">|</span> 
                  <a href="#gst-plugins-good-plugins-rtpdtmfdepay.properties" class="shortcut">Properties</a></span>
</td>
<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td>
<td><a accesskey="u" href="ch01.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td>
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</tr></table>
<div class="refentry">
<a name="gst-plugins-good-plugins-rtpdtmfdepay"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="gst-plugins-good-plugins-rtpdtmfdepay.top_of_page"></a>rtpdtmfdepay</span></h2>
<p>rtpdtmfdepay</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-rtpdtmfdepay.properties"></a><h2>Properties</h2>
<div class="informaltable"><table class="informaltable" border="0">
<colgroup>
<col width="150px" class="properties_type">
<col width="300px" class="properties_name">
<col width="200px" class="properties_flags">
</colgroup>
<tbody>
<tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-rtpdtmfdepay.html#GstRtpDTMFDepay--max-duration" title="The “max-duration” property">max-duration</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-rtpdtmfdepay.html#GstRtpDTMFDepay--unit-time" title="The “unit-time” property">unit-time</a></td>
<td class="property_flags">Read / Write</td>
</tr>
</tbody>
</table></div>
</div>
<a name="GstRtpDTMFDepay"></a><div class="refsect1">
<a name="gst-plugins-good-plugins-rtpdtmfdepay.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">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-good-plugins-rtpdtmfdepay.html#GstRtpDTMFDepay-struct" title="struct GstRtpDTMFDepay">GstRtpDTMFDepay</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-rtpdtmfdepay.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen">    <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a>
    <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
        <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstObject.html">GstObject</a>
            <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html">GstElement</a>
                <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0/gst-plugins-base-libs-gstrtpbasedepayload.html#GstRTPBaseDepayload">GstRTPBaseDepayload</a>
                    <span class="lineart">╰──</span> GstRtpDTMFDepay
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-rtpdtmfdepay.description"></a><h2>Description</h2>
<p>This element takes RTP DTMF packets and produces sound. It also emits a
message on the <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstBus.html"><span class="type">GstBus</span></a>.</p>
<p>The message is called "dtmf-event" and has the following fields</p>
<div class="informaltable"><table class="informaltable" border="1">
<colgroup>
<col class="Name">
<col class="Type">
<col class="Possible values">
<col class="Purpose">
</colgroup>
<thead><tr>
<th>Name</th>
<th>GType</th>
<th>Possible values</th>
<th>Purpose</th>
</tr></thead>
<tbody>
<tr>
<td>type</td>
<td>G_TYPE_INT</td>
<td>0-1</td>
<td>Which of the two methods
specified in RFC 2833 to use. The value should be 0 for tones and 1 for
named events. Tones are specified by their frequencies and events are specied
by their number. This element currently only recognizes events.
Do not confuse with "method" which specified the output.
</td>
</tr>
<tr>
<td>number</td>
<td>G_TYPE_INT</td>
<td>0-16</td>
<td>The event number.</td>
</tr>
<tr>
<td>volume</td>
<td>G_TYPE_INT</td>
<td>0-36</td>
<td>This field describes the power level of the tone, expressed in dBm0
after dropping the sign. Power levels range from 0 to -63 dBm0. The range of
valid DTMF is from 0 to -36 dBm0.
</td>
</tr>
<tr>
<td>method</td>
<td>G_TYPE_INT</td>
<td>1</td>
<td>This field will always been 1 (ie RTP event) from this element.
</td>
</tr>
</tbody>
</table></div>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="refsect2">
<a name="id-1.2.130.7.5.1"></a><h3>Element Information</h3>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">plugin</span></p></td>
<td>
            <a class="link" href="gst-plugins-good-plugins-plugin-dtmf.html#plugin-dtmf">dtmf</a>
          </td>
</tr>
<tr>
<td><p><span class="term">author</span></p></td>
<td>Youness Alaoui &lt;youness.alaoui@collabora.co.uk&gt;</td>
</tr>
<tr>
<td><p><span class="term">class</span></p></td>
<td>Codec/Depayloader/Network</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="id-1.2.130.7.5.2"></a><h3>Element Pads</h3>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">name</span></p></td>
<td>sink</td>
</tr>
<tr>
<td><p><span class="term">direction</span></p></td>
<td>sink</td>
</tr>
<tr>
<td><p><span class="term">presence</span></p></td>
<td>always</td>
</tr>
<tr>
<td><p><span class="term">details</span></p></td>
<td>application/x-rtp, media=(string)audio, payload=(int)[ 96, 127 ], clock-rate=(int)[ 0, 2147483647 ], encoding-name=(string)TELEPHONE-EVENT</td>
</tr>
</tbody>
</table></div>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">name</span></p></td>
<td>src</td>
</tr>
<tr>
<td><p><span class="term">direction</span></p></td>
<td>source</td>
</tr>
<tr>
<td><p><span class="term">presence</span></p></td>
<td>always</td>
</tr>
<tr>
<td><p><span class="term">details</span></p></td>
<td>audio/x-raw, format=(string)S16LE, rate=(int)[ 1, 2147483647 ], channels=(int)1</td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-rtpdtmfdepay.functions_details"></a><h2>Functions</h2>
<p></p>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-rtpdtmfdepay.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstRtpDTMFDepay-struct"></a><h3>struct GstRtpDTMFDepay</h3>
<pre class="programlisting">struct GstRtpDTMFDepay;</pre>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-rtpdtmfdepay.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstRtpDTMFDepay--max-duration"></a><h3>The <code class="literal">“max-duration”</code> property</h3>
<pre class="programlisting">  “max-duration”             <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></pre>
<p>The maxumimum duration (ms) of the outgoing soundpacket. (0 = no limit).</p>
<p>Flags: Read / Write</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstRtpDTMFDepay--unit-time"></a><h3>The <code class="literal">“unit-time”</code> property</h3>
<pre class="programlisting">  “unit-time”                <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></pre>
<p>The smallest unit (ms) the duration must be a multiple of (0 disables it).</p>
<p>Flags: Read / Write</p>
<p>Allowed values: &lt;= 1000</p>
<p>Default value: 0</p>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-rtpdtmfdepay.see-also"></a><h2>See Also</h2>
<p>rtpdtmfsrc, rtpdtmfmux</p>
</div>
</div>
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