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<h2><span class="refentrytitle"><a name="gst-plugins-base-plugins-alsamidisrc.top_of_page"></a>alsamidisrc</span></h2>
<p>alsamidisrc</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="gst-plugins-base-plugins-alsamidisrc.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="../glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</td>
<td class="property_name"><a class="link" href="gst-plugins-base-plugins-alsamidisrc.html#GstAlsaMidiSrc--ports" title="The “ports” property">ports</a></td>
<td class="property_flags">Read / Write</td>
</tr></tbody>
</table></div>
</div>
<a name="GstAlsaMidiSrc"></a><div class="refsect1">
<a name="gst-plugins-base-plugins-alsamidisrc.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>
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<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-base-plugins-alsamidisrc.html#GstAlsaMidiSrc-struct" title="struct GstAlsaMidiSrc">GstAlsaMidiSrc</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-base-plugins-alsamidisrc.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen"> <a href="../gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a>
<span class="lineart">╰──</span> <a href="../gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
<span class="lineart">╰──</span> <a href="../gstreamer-1.0/GstObject.html#GstObject-struct">GstObject</a>
<span class="lineart">╰──</span> <a href="../gstreamer-1.0/GstElement.html#GstElement-struct">GstElement</a>
<span class="lineart">╰──</span> <a href="../gstreamer-libs-1.0/GstBaseSrc.html#GstBaseSrc-struct">GstBaseSrc</a>
<span class="lineart">╰──</span> <a href="../gstreamer-libs-1.0/GstPushSrc.html#GstPushSrc-struct">GstPushSrc</a>
<span class="lineart">╰──</span> GstAlsaMidiSrc
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-base-plugins-alsamidisrc.description"></a><h2>Description</h2>
<p>The alsamidisrc element is an element that fetches ALSA MIDI sequencer
events and makes them available to elements understanding
audio/x-midi-events in their sink pads.</p>
<p>It can be used to generate notes from a MIDI input device.</p>
<div class="refsect3">
<a name="id-1.2.3.7.4"></a><h4>Example launch line</h4>
<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>v alsamidisrc ports<span class="gtkdoc opt">=</span><span class="number">129</span><span class="gtkdoc opt">:</span><span class="number">0</span> <span class="gtkdoc opt">!</span> fluiddec <span class="gtkdoc opt">!</span> audioconvert <span class="gtkdoc opt">!</span> autoaudiosink</pre></td>
</tr>
</tbody>
</table>
</div>
<p>
This pipeline will listen for events from the sequencer device at port 129:0,
and generate notes using the fluiddec element.</p>
</div>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="refsect2">
<a name="id-1.2.3.7.5.1"></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-base-plugins-plugin-alsa.html#plugin-alsa">alsa</a>
</td>
</tr>
<tr>
<td><p><span class="term">author</span></p></td>
<td>Antonio Ospite <ao2@ao2.it></td>
</tr>
<tr>
<td><p><span class="term">class</span></p></td>
<td>Source</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="id-1.2.3.7.5.2"></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>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-midi-event</td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-base-plugins-alsamidisrc.functions_details"></a><h2>Functions</h2>
<p></p>
</div>
<div class="refsect1">
<a name="gst-plugins-base-plugins-alsamidisrc.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstAlsaMidiSrc-struct"></a><h3>struct GstAlsaMidiSrc</h3>
<pre class="programlisting">struct GstAlsaMidiSrc;</pre>
<p>Opaque <a class="link" href="gst-plugins-base-plugins-alsamidisrc.html#GstAlsaMidiSrc"><span class="type">GstAlsaMidiSrc</span></a> data structure.</p>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-base-plugins-alsamidisrc.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstAlsaMidiSrc--ports"></a><h3>The <code class="literal">“ports”</code> property</h3>
<pre class="programlisting"> “ports” <a href="../glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</pre>
<p>Comma separated list of sequencer ports (e.g. client:port,...).</p>
<p>Flags: Read / Write</p>
<p>Default value: NULL</p>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-base-plugins-alsamidisrc.see-also"></a><h2>See Also</h2>
<p><a href="../gstreamer-libs-1.0/GstPushSrc.html#GstPushSrc-struct"><span class="type">GstPushSrc</span></a></p>
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