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<div class="refentry">
<a name="gst-plugins-good-plugins-jackaudiosink"></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-jackaudiosink.top_of_page"></a>jackaudiosink</span></h2>
<p>jackaudiosink</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-jackaudiosink.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">
<span class="type">JackClient</span> *</td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-jackaudiosink.html#GstJackAudioSink--client" title="The “client” property">client</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><span class="type">GstJackConnect</span></td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-jackaudiosink.html#GstJackAudioSink--connect" title="The “connect” property">connect</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#gchar"><span class="type">gchar</span></a> *</td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-jackaudiosink.html#GstJackAudioSink--server" title="The “server” property">server</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#gchar"><span class="type">gchar</span></a> *</td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-jackaudiosink.html#GstJackAudioSink--client-name" title="The “client-name” property">client-name</a></td>
<td class="property_flags">Read / Write</td>
</tr>
<tr>
<td class="property_type"><span class="type">GstJackTransport</span></td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-jackaudiosink.html#GstJackAudioSink--transport" title="The “transport” property">transport</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#gchar"><span class="type">gchar</span></a> *</td>
<td class="property_name"><a class="link" href="gst-plugins-good-plugins-jackaudiosink.html#GstJackAudioSink--port-pattern" title="The “port-pattern” property">port-pattern</a></td>
<td class="property_flags">Read / Write</td>
</tr>
</tbody>
</table></div>
</div>
<a name="GstJackAudioSink"></a><div class="refsect1">
<a name="gst-plugins-good-plugins-jackaudiosink.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-jackaudiosink.html#GstJackAudioSink-struct" title="struct GstJackAudioSink">GstJackAudioSink</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-jackaudiosink.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-struct">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-struct">GstObject</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html#GstElement-struct">GstElement</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-libs-1.0/GstBaseSink.html#GstBaseSink-struct">GstBaseSink</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0/gst-plugins-base-libs-gstaudiobasesink.html#GstAudioBaseSink-struct">GstAudioBaseSink</a>
<span class="lineart">╰──</span> GstJackAudioSink
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-jackaudiosink.description"></a><h2>Description</h2>
<p>A Sink that outputs data to Jack ports.</p>
<p>It will create N Jack ports named out_<name>_<num> where
<name> is the element name and <num> is starting from 1.
Each port corresponds to a gstreamer channel.</p>
<p>The samplerate as exposed on the caps is always the same as the samplerate of
the jack server.</p>
<p>When the <a class="link" href="gst-plugins-good-plugins-jackaudiosink.html#GstJackAudioSink--connect" title="The “connect” property"><span class="type">“connect”</span></a> property is set to auto, this element
will try to connect each output port to a random physical jack input pin. In
this mode, the sink will expose the number of physical channels on its pad
caps.</p>
<p>When the <a class="link" href="gst-plugins-good-plugins-jackaudiosink.html#GstJackAudioSink--connect" title="The “connect” property"><span class="type">“connect”</span></a> property is set to none, the element will
accept any number of input channels and will create (but not connect) an
output port for each channel.</p>
<p>The element will generate an error when the Jack server is shut down when it
was PAUSED or PLAYING. This element does not support dynamic rate and buffer
size changes at runtime.</p>
<div class="refsect2">
<a name="id-1.2.79.7.8"></a><h3>Example launch line</h3>
<div class="informalexample">
<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td class="listing_lines" align="right"><pre>1</pre></td>
<td class="listing_code"><pre class="programlisting">gst<span class="gtkdoc opt">-</span>launch<span class="gtkdoc opt">-</span><span class="number">1.0</span> audiotestsrc <span class="gtkdoc opt">!</span> jackaudiosink</pre></td>
</tr>
</tbody>
</table>
</div>
Play a sine wave to using jack.
</div>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="refsect2">
<a name="id-1.2.79.7.9.1"></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-jack.html#plugin-jack">jack</a>
</td>
</tr>
<tr>
<td><p><span class="term">author</span></p></td>
<td>Wim Taymans <wim.taymans@gmail.com></td>
</tr>
<tr>
<td><p><span class="term">class</span></p></td>
<td>Sink/Audio</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="id-1.2.79.7.9.2"></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>audio/x-raw, format=(string)F32LE, layout=(string)interleaved, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ]</td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-jackaudiosink.functions_details"></a><h2>Functions</h2>
<p></p>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-jackaudiosink.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstJackAudioSink-struct"></a><h3>struct GstJackAudioSink</h3>
<pre class="programlisting">struct GstJackAudioSink;</pre>
<p>Opaque <a class="link" href="gst-plugins-good-plugins-jackaudiosink.html#GstJackAudioSink"><span class="type">GstJackAudioSink</span></a>.</p>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-jackaudiosink.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstJackAudioSink--client"></a><h3>The <code class="literal">“client”</code> property</h3>
<pre class="programlisting"> “client” <span class="type">JackClient</span> *</pre>
<p>Handle for jack client.</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GstJackAudioSink--connect"></a><h3>The <code class="literal">“connect”</code> property</h3>
<pre class="programlisting"> “connect” <span class="type">GstJackConnect</span></pre>
<p>Specify how the output ports will be connected.</p>
<p>Flags: Read / Write</p>
<p>Default value: Automatically connect ports to physical ports</p>
</div>
<hr>
<div class="refsect2">
<a name="GstJackAudioSink--server"></a><h3>The <code class="literal">“server”</code> property</h3>
<pre class="programlisting"> “server” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</pre>
<p>The Jack server to connect to (NULL = default).</p>
<p>Flags: Read / Write</p>
<p>Default value: NULL</p>
</div>
<hr>
<div class="refsect2">
<a name="GstJackAudioSink--client-name"></a><h3>The <code class="literal">“client-name”</code> property</h3>
<pre class="programlisting"> “client-name” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</pre>
<p>The client name to use.</p>
<p>Flags: Read / Write</p>
<p>Default value: NULL</p>
</div>
<hr>
<div class="refsect2">
<a name="GstJackAudioSink--transport"></a><h3>The <code class="literal">“transport”</code> property</h3>
<pre class="programlisting"> “transport” <span class="type">GstJackTransport</span></pre>
<p>The jack transport behaviour for the client.</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GstJackAudioSink--port-pattern"></a><h3>The <code class="literal">“port-pattern”</code> property</h3>
<pre class="programlisting"> “port-pattern” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</pre>
<p>autoconnect to ports matching pattern, when NULL connect to physical ports</p>
<p>Flags: Read / Write</p>
<p>Default value: NULL</p>
<p class="since">Since: 1.6</p>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-jackaudiosink.see-also"></a><h2>See Also</h2>
<p><a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0/gst-plugins-base-libs-gstaudiobasesink.html#GstAudioBaseSink-struct"><span class="type">GstAudioBaseSink</span></a>, <a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0/gst-plugins-base-libs-gstaudioringbuffer.html#GstAudioRingBuffer-struct"><span class="type">GstAudioRingBuffer</span></a></p>
</div>
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