1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2<html> 3<head> 4<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 5<title>alsasink: GStreamer Base Plugins 1.0 Plugins Reference Manual</title> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="index.html" title="GStreamer Base Plugins 1.0 Plugins Reference Manual"> 8<link rel="up" href="ch01.html" title="gst-plugins-base Elements"> 9<link rel="prev" href="gst-plugins-base-plugins-alsamidisrc.html" title="alsamidisrc"> 10<link rel="next" href="gst-plugins-base-plugins-appsink.html" title="appsink"> 11<meta name="generator" content="GTK-Doc V1.28 (XML mode)"> 12<link rel="stylesheet" href="style.css" type="text/css"> 13</head> 14<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 15<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle"> 16<td width="100%" align="left" class="shortcuts"> 17<a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span> 18 <a href="#gst-plugins-base-plugins-alsasink.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> 19 <a href="#gst-plugins-base-plugins-alsasink.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_properties"> <span class="dim">|</span> 20 <a href="#gst-plugins-base-plugins-alsasink.properties" class="shortcut">Properties</a></span> 21</td> 22<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> 23<td><a accesskey="u" href="ch01.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> 24<td><a accesskey="p" href="gst-plugins-base-plugins-alsamidisrc.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> 25<td><a accesskey="n" href="gst-plugins-base-plugins-appsink.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> 26</tr></table> 27<div class="refentry"> 28<a name="gst-plugins-base-plugins-alsasink"></a><div class="titlepage"></div> 29<div class="refnamediv"><table width="100%"><tr> 30<td valign="top"> 31<h2><span class="refentrytitle"><a name="gst-plugins-base-plugins-alsasink.top_of_page"></a>alsasink</span></h2> 32<p>alsasink</p> 33</td> 34<td class="gallery_image" valign="top" align="right"></td> 35</tr></table></div> 36<div class="refsect1"> 37<a name="gst-plugins-base-plugins-alsasink.properties"></a><h2>Properties</h2> 38<div class="informaltable"><table class="informaltable" border="0"> 39<colgroup> 40<col width="150px" class="properties_type"> 41<col width="300px" class="properties_name"> 42<col width="200px" class="properties_flags"> 43</colgroup> 44<tbody> 45<tr> 46<td class="property_type"> 47<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</td> 48<td class="property_name"><a class="link" href="gst-plugins-base-plugins-alsasink.html#GstAlsaSink--card-name" title="The “card-name” property">card-name</a></td> 49<td class="property_flags">Read</td> 50</tr> 51<tr> 52<td class="property_type"> 53<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</td> 54<td class="property_name"><a class="link" href="gst-plugins-base-plugins-alsasink.html#GstAlsaSink--device" title="The “device” property">device</a></td> 55<td class="property_flags">Read / Write</td> 56</tr> 57<tr> 58<td class="property_type"> 59<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</td> 60<td class="property_name"><a class="link" href="gst-plugins-base-plugins-alsasink.html#GstAlsaSink--device-name" title="The “device-name” property">device-name</a></td> 61<td class="property_flags">Read</td> 62</tr> 63</tbody> 64</table></div> 65</div> 66<a name="GstAlsaSink"></a><div class="refsect1"> 67<a name="gst-plugins-base-plugins-alsasink.other"></a><h2>Types and Values</h2> 68<div class="informaltable"><table class="informaltable" width="100%" border="0"> 69<colgroup> 70<col width="150px" class="name"> 71<col class="description"> 72</colgroup> 73<tbody><tr> 74<td class="datatype_keyword">struct</td> 75<td class="function_name"><a class="link" href="gst-plugins-base-plugins-alsasink.html#GstAlsaSink-struct" title="struct GstAlsaSink">GstAlsaSink</a></td> 76</tr></tbody> 77</table></div> 78</div> 79<div class="refsect1"> 80<a name="gst-plugins-base-plugins-alsasink.object-hierarchy"></a><h2>Object Hierarchy</h2> 81<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a> 82 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a> 83 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstObject.html#GstObject-struct">GstObject</a> 84 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html#GstElement-struct">GstElement</a> 85 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-libs-1.0/GstBaseSink.html#GstBaseSink-struct">GstBaseSink</a> 86 <span class="lineart">╰──</span> <a href="../html/GstAudioBaseSink.html#GstAudioBaseSink-struct">GstAudioBaseSink</a> 87 <span class="lineart">╰──</span> <a href="../html/GstAudioSink.html#GstAudioSink-struct">GstAudioSink</a> 88 <span class="lineart">╰──</span> GstAlsaSink 89</pre> 90</div> 91<div class="refsect1"> 92<a name="gst-plugins-base-plugins-alsasink.description"></a><h2>Description</h2> 93<p>This element renders audio samples using the ALSA audio API.</p> 94<div class="refsect3"> 95<a name="id-1.2.4.7.3"></a><h4>Example pipelines</h4> 96<div class="informalexample"> 97 <table class="listing_frame" border="0" cellpadding="0" cellspacing="0"> 98 <tbody> 99 <tr> 100 <td class="listing_lines" align="right"><pre>1</pre></td> 101 <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> <span class="gtkdoc opt">-</span>v uridecodebin uri<span class="gtkdoc opt">=</span>file<span class="gtkdoc opt">:</span><span class="gtkdoc slc">///path/to/audio.ogg ! audioconvert ! audioresample ! autoaudiosink</span></pre></td> 102 </tr> 103 </tbody> 104 </table> 105</div> 106 107<p></p> 108<p>Play an Ogg/Vorbis file and output audio via ALSA.</p> 109</div> 110<div class="refsynopsisdiv"> 111<h2>Synopsis</h2> 112<div class="refsect2"> 113<a name="id-1.2.4.7.4.1"></a><h3>Element Information</h3> 114<div class="variablelist"><table border="0" class="variablelist"> 115<colgroup> 116<col align="left" valign="top"> 117<col> 118</colgroup> 119<tbody> 120<tr> 121<td><p><span class="term">plugin</span></p></td> 122<td> 123 <a class="link" href="gst-plugins-base-plugins-plugin-alsa.html#plugin-alsa">alsa</a> 124 </td> 125</tr> 126<tr> 127<td><p><span class="term">author</span></p></td> 128<td>Wim Taymans <wim@fluendo.com></td> 129</tr> 130<tr> 131<td><p><span class="term">class</span></p></td> 132<td>Sink/Audio</td> 133</tr> 134</tbody> 135</table></div> 136</div> 137<hr> 138<div class="refsect2"> 139<a name="id-1.2.4.7.4.2"></a><h3>Element Pads</h3> 140<div class="variablelist"><table border="0" class="variablelist"> 141<colgroup> 142<col align="left" valign="top"> 143<col> 144</colgroup> 145<tbody> 146<tr> 147<td><p><span class="term">name</span></p></td> 148<td>sink</td> 149</tr> 150<tr> 151<td><p><span class="term">direction</span></p></td> 152<td>sink</td> 153</tr> 154<tr> 155<td><p><span class="term">presence</span></p></td> 156<td>always</td> 157</tr> 158<tr> 159<td><p><span class="term">details</span></p></td> 160<td>audio/x-raw, format=(string){ S8, U8, S16LE, S16BE, U16LE, U16BE, S24_32LE, S24_32BE, U24_32LE, U24_32BE, S32LE, S32BE, U32LE, U32BE, S24LE, S24BE, U24LE, U24BE, S20LE, S20BE, U20LE, U20BE, S18LE, S18BE, U18LE, U18BE, F32LE, F32BE, F64LE, F64BE }, layout=(string)interleaved, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ]</td> 161</tr> 162<tr> 163<td><p><span class="term"></span></p></td> 164<td> audio/x-ac3, framed=(boolean)true</td> 165</tr> 166<tr> 167<td><p><span class="term"></span></p></td> 168<td> audio/x-eac3, framed=(boolean)true</td> 169</tr> 170<tr> 171<td><p><span class="term"></span></p></td> 172<td> audio/x-dts, framed=(boolean)true, block-size=(int){ 512, 1024, 2048 }</td> 173</tr> 174<tr> 175<td><p><span class="term"></span></p></td> 176<td> audio/mpeg, mpegversion=(int)1, mpegaudioversion=(int)[ 1, 3 ], parsed=(boolean)true</td> 177</tr> 178</tbody> 179</table></div> 180</div> 181</div> 182</div> 183<div class="refsect1"> 184<a name="gst-plugins-base-plugins-alsasink.functions_details"></a><h2>Functions</h2> 185<p></p> 186</div> 187<div class="refsect1"> 188<a name="gst-plugins-base-plugins-alsasink.other_details"></a><h2>Types and Values</h2> 189<div class="refsect2"> 190<a name="GstAlsaSink-struct"></a><h3>struct GstAlsaSink</h3> 191<pre class="programlisting">struct GstAlsaSink;</pre> 192<p>Opaque data structure</p> 193</div> 194</div> 195<div class="refsect1"> 196<a name="gst-plugins-base-plugins-alsasink.property-details"></a><h2>Property Details</h2> 197<div class="refsect2"> 198<a name="GstAlsaSink--card-name"></a><h3>The <code class="literal">“card-name”</code> property</h3> 199<pre class="programlisting"> “card-name” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</pre> 200<p>Human-readable name of the sound card.</p> 201<p>Flags: Read</p> 202<p>Default value: ""</p> 203</div> 204<hr> 205<div class="refsect2"> 206<a name="GstAlsaSink--device"></a><h3>The <code class="literal">“device”</code> property</h3> 207<pre class="programlisting"> “device” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *</pre> 208<p>ALSA device, as defined in an asound configuration file.</p> 209<p>Flags: Read / Write</p> 210<p>Default value: "default"</p> 211</div> 212<hr> 213<div class="refsect2"> 214<a name="GstAlsaSink--device-name"></a><h3>The <code class="literal">“device-name”</code> property</h3> 215<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> 216<p>Human-readable name of the sound device.</p> 217<p>Flags: Read</p> 218<p>Default value: ""</p> 219</div> 220</div> 221<div class="refsect1"> 222<a name="gst-plugins-base-plugins-alsasink.see-also"></a><h2>See Also</h2> 223<p>alsasrc</p> 224</div> 225</div> 226<div class="footer"> 227<hr>Generated by GTK-Doc V1.28</div> 228</body> 229</html>
