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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>openalsink: GStreamer Bad Plugins 1.0 Plugins Reference Manual</title>
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<div class="refentry">
<a name="gst-plugins-bad-plugins-openalsink"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="gst-plugins-bad-plugins-openalsink.top_of_page"></a>openalsink</span></h2>
<p>openalsink — capture raw audio samples through OpenAL</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-openalsink.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#gpointer"><span class="type">gpointer</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-openalsink.html#GstOpenALSink--context-handle" title="The “context-handle” property">context-handle</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-bad-plugins-openalsink.html#GstOpenALSink--device" title="The “device” property">device</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#gpointer"><span class="type">gpointer</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-openalsink.html#GstOpenALSink--device-handle" title="The “device-handle” property">device-handle</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-bad-plugins-openalsink.html#GstOpenALSink--device-name" title="The “device-name” property">device-name</a></td>
<td class="property_flags">Read</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-bad-plugins-openalsink.html#GstOpenALSink--source-id" title="The “source-id” property">source-id</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#gpointer"><span class="type">gpointer</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-openalsink.html#GstOpenALSink--user-context" title="The “user-context” property">user-context</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#gpointer"><span class="type">gpointer</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-openalsink.html#GstOpenALSink--user-device" title="The “user-device” property">user-device</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-bad-plugins-openalsink.html#GstOpenALSink--user-source" title="The “user-source” property">user-source</a></td>
<td class="property_flags">Read / Write</td>
</tr>
</tbody>
</table></div>
</div>
<a name="GstOpenALSink"></a><div class="refsect1">
<a name="gst-plugins-bad-plugins-openalsink.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-bad-plugins-openalsink.html#GstOpenALSink-struct" title="struct GstOpenALSink">GstOpenALSink</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-openalsink.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> <a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0/gst-plugins-base-libs-gstaudiosink.html#GstAudioSink-struct">GstAudioSink</a>
                            <span class="lineart">╰──</span> GstOpenALSink
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-openalsink.description"></a><h2>Description</h2>
<p>This element plays raw audio samples through OpenAL.</p>
<p>Unfortunately the capture API doesn't have a format enumeration/check. all you can do is try opening it and see if it works.</p>
<div class="refsect2">
<a name="id-1.2.103.7.4"></a><h3>Example pipelines</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> audioconvert <span class="gtkdoc opt">!</span> volume volume<span class="gtkdoc opt">=</span><span class="number">0.5</span> <span class="gtkdoc opt">!</span> openalsink</pre></td>
      </tr>
    </tbody>
  </table>
</div>
 will play a sine wave (continuous beep sound) through OpenAL.
<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> filesrc location<span class="gtkdoc opt">=</span>stream<span class="gtkdoc opt">.</span>wav <span class="gtkdoc opt">!</span> decodebin <span class="gtkdoc opt">!</span> audioconvert <span class="gtkdoc opt">!</span> openalsink</pre></td>
      </tr>
    </tbody>
  </table>
</div>
 will play a wav audio file through OpenAL.
<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> openalsrc <span class="gtkdoc opt">!</span> <span class="string">&quot;audio/x-raw,format=S16LE,rate=44100&quot;</span> <span class="gtkdoc opt">!</span> audioconvert <span class="gtkdoc opt">!</span> volume volume<span class="gtkdoc opt">=</span><span class="number">0.25</span> <span class="gtkdoc opt">!</span> openalsink</pre></td>
      </tr>
    </tbody>
  </table>
</div>
 will capture and play audio through OpenAL.
</div>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="refsect2">
<a name="id-1.2.103.7.5.1"></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-bad-plugins-plugin-openal.html#plugin-openal">openal</a>
          </td>
</tr>
<tr>
<td><p><span class="term">author</span></p></td>
<td>Juan Manuel Borges Caño &lt;juanmabcmail@gmail.com&gt;</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-1.2.103.7.5.2"></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>audio/x-raw, format=(string)F64LE, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> audio/x-raw, format=(string)F32LE, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> audio/x-raw, format=(string)S16LE, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> audio/x-raw, format=(string)U8, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ]</td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-openalsink.functions_details"></a><h2>Functions</h2>
<p></p>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-openalsink.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstOpenALSink-struct"></a><h3>struct GstOpenALSink</h3>
<pre class="programlisting">struct GstOpenALSink;</pre>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-openalsink.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstOpenALSink--context-handle"></a><h3>The <code class="literal">“context-handle”</code> property</h3>
<pre class="programlisting">  “context-handle”           <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a></pre>
<p>Custom playback context.</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GstOpenALSink--device"></a><h3>The <code class="literal">“device”</code> property</h3>
<pre class="programlisting">  “device”                   <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</pre>
<p>Human-readable name of the device.</p>
<p>Flags: Read / Write</p>
<p>Default value: NULL</p>
</div>
<hr>
<div class="refsect2">
<a name="GstOpenALSink--device-handle"></a><h3>The <code class="literal">“device-handle”</code> property</h3>
<pre class="programlisting">  “device-handle”            <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a></pre>
<p>Custom playback device.</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GstOpenALSink--device-name"></a><h3>The <code class="literal">“device-name”</code> property</h3>
<pre class="programlisting">  “device-name”              <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</pre>
<p>Human-readable name of the opened device.</p>
<p>Flags: Read</p>
<p>Default value: ""</p>
</div>
<hr>
<div class="refsect2">
<a name="GstOpenALSink--source-id"></a><h3>The <code class="literal">“source-id”</code> property</h3>
<pre class="programlisting">  “source-id”                <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></pre>
<p>Custom playback sID.</p>
<p>Flags: Read / Write</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstOpenALSink--user-context"></a><h3>The <code class="literal">“user-context”</code> property</h3>
<pre class="programlisting">  “user-context”             <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a></pre>
<p>User context.</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GstOpenALSink--user-device"></a><h3>The <code class="literal">“user-device”</code> property</h3>
<pre class="programlisting">  “user-device”              <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a></pre>
<p>User device.</p>
<p>Flags: Read / Write</p>
</div>
<hr>
<div class="refsect2">
<a name="GstOpenALSink--user-source"></a><h3>The <code class="literal">“user-source”</code> property</h3>
<pre class="programlisting">  “user-source”              <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a></pre>
<p>User source.</p>
<p>Flags: Read / Write</p>
<p>Default value: 0</p>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-openalsink.see-also"></a><h2>See Also</h2>
<p>openalsrc</p>
</div>
</div>
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