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>mpg123audiodec: GStreamer Good 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 Good Plugins 1.0 Plugins Reference Manual"> 8<link rel="up" href="ch01.html" title="gst-plugins-good Elements"> 9<link rel="prev" href="gst-plugins-good-plugins-mpegaudioparse.html" title="mpegaudioparse"> 10<link rel="next" href="gst-plugins-good-plugins-mulawdec.html" title="mulawdec"> 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-good-plugins-mpg123audiodec.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> 19 <a href="#gst-plugins-good-plugins-mpg123audiodec.object-hierarchy" class="shortcut">Object Hierarchy</a></span> 20</td> 21<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> 22<td><a accesskey="u" href="ch01.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> 23<td><a accesskey="p" href="gst-plugins-good-plugins-mpegaudioparse.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> 24<td><a accesskey="n" href="gst-plugins-good-plugins-mulawdec.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> 25</tr></table> 26<div class="refentry"> 27<a name="gst-plugins-good-plugins-mpg123audiodec"></a><div class="titlepage"></div> 28<div class="refnamediv"><table width="100%"><tr> 29<td valign="top"> 30<h2><span class="refentrytitle"><a name="gst-plugins-good-plugins-mpg123audiodec.top_of_page"></a>mpg123audiodec</span></h2> 31<p>mpg123audiodec</p> 32</td> 33<td class="gallery_image" valign="top" align="right"></td> 34</tr></table></div> 35<a name="GstMpg123AudioDec"></a><div class="refsect1"> 36<a name="gst-plugins-good-plugins-mpg123audiodec.other"></a><h2>Types and Values</h2> 37<div class="informaltable"><table class="informaltable" width="100%" border="0"> 38<colgroup> 39<col width="150px" class="name"> 40<col class="description"> 41</colgroup> 42<tbody><tr> 43<td class="datatype_keyword">struct</td> 44<td class="function_name"><a class="link" href="gst-plugins-good-plugins-mpg123audiodec.html#GstMpg123AudioDec-struct" title="struct GstMpg123AudioDec">GstMpg123AudioDec</a></td> 45</tr></tbody> 46</table></div> 47</div> 48<div class="refsect1"> 49<a name="gst-plugins-good-plugins-mpg123audiodec.object-hierarchy"></a><h2>Object Hierarchy</h2> 50<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a> 51 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a> 52 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstObject.html#GstObject-struct">GstObject</a> 53 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html#GstElement-struct">GstElement</a> 54 <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0/GstAudioDecoder.html#GstAudioDecoder-struct">GstAudioDecoder</a> 55 <span class="lineart">╰──</span> GstMpg123AudioDec 56</pre> 57</div> 58<div class="refsect1"> 59<a name="gst-plugins-good-plugins-mpg123audiodec.description"></a><h2>Description</h2> 60<p>Audio decoder for MPEG-1 layer 1/2/3 audio data.</p> 61<div class="refsect2"> 62<a name="id-1.2.95.6.3"></a><h3>Example pipelines</h3> 63<div class="informalexample"> 64 <table class="listing_frame" border="0" cellpadding="0" cellspacing="0"> 65 <tbody> 66 <tr> 67 <td class="listing_lines" align="right"><pre>1</pre></td> 68 <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>music<span class="gtkdoc opt">.</span>mp3 <span class="gtkdoc opt">!</span> mpegaudioparse <span class="gtkdoc opt">!</span> mpg123audiodec <span class="gtkdoc opt">!</span> audioconvert <span class="gtkdoc opt">!</span> audioresample <span class="gtkdoc opt">!</span> autoaudiosink</pre></td> 69 </tr> 70 </tbody> 71 </table> 72</div> 73 Decode and play the mp3 file 74</div> 75<div class="refsynopsisdiv"> 76<h2>Synopsis</h2> 77<div class="refsect2"> 78<a name="id-1.2.95.6.4.1"></a><h3>Element Information</h3> 79<div class="variablelist"><table border="0" class="variablelist"> 80<colgroup> 81<col align="left" valign="top"> 82<col> 83</colgroup> 84<tbody> 85<tr> 86<td><p><span class="term">plugin</span></p></td> 87<td> 88 <a class="link" href="gst-plugins-good-plugins-plugin-mpg123.html#plugin-mpg123">mpg123</a> 89 </td> 90</tr> 91<tr> 92<td><p><span class="term">author</span></p></td> 93<td>Carlos Rafael Giani <dv@pseudoterminal.org></td> 94</tr> 95<tr> 96<td><p><span class="term">class</span></p></td> 97<td>Codec/Decoder/Audio</td> 98</tr> 99</tbody> 100</table></div> 101</div> 102<hr> 103<div class="refsect2"> 104<a name="id-1.2.95.6.4.2"></a><h3>Element Pads</h3> 105<div class="variablelist"><table border="0" class="variablelist"> 106<colgroup> 107<col align="left" valign="top"> 108<col> 109</colgroup> 110<tbody> 111<tr> 112<td><p><span class="term">name</span></p></td> 113<td>sink</td> 114</tr> 115<tr> 116<td><p><span class="term">direction</span></p></td> 117<td>sink</td> 118</tr> 119<tr> 120<td><p><span class="term">presence</span></p></td> 121<td>always</td> 122</tr> 123<tr> 124<td><p><span class="term">details</span></p></td> 125<td>audio/mpeg, mpegversion=(int)1, layer=(int)[ 1, 3 ], rate=(int){ 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000 }, channels=(int)[ 1, 2 ], parsed=(boolean)true</td> 126</tr> 127</tbody> 128</table></div> 129<div class="variablelist"><table border="0" class="variablelist"> 130<colgroup> 131<col align="left" valign="top"> 132<col> 133</colgroup> 134<tbody> 135<tr> 136<td><p><span class="term">name</span></p></td> 137<td>src</td> 138</tr> 139<tr> 140<td><p><span class="term">direction</span></p></td> 141<td>source</td> 142</tr> 143<tr> 144<td><p><span class="term">presence</span></p></td> 145<td>always</td> 146</tr> 147<tr> 148<td><p><span class="term">details</span></p></td> 149<td>audio/x-raw, format=(string){ S16LE, U16LE, S32LE, U32LE, S24LE, U24LE, F32LE }, rate=(int){ 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000 }, channels=(int)[ 1, 2 ], layout=(string)interleaved</td> 150</tr> 151</tbody> 152</table></div> 153</div> 154</div> 155</div> 156<div class="refsect1"> 157<a name="gst-plugins-good-plugins-mpg123audiodec.functions_details"></a><h2>Functions</h2> 158<p></p> 159</div> 160<div class="refsect1"> 161<a name="gst-plugins-good-plugins-mpg123audiodec.other_details"></a><h2>Types and Values</h2> 162<div class="refsect2"> 163<a name="GstMpg123AudioDec-struct"></a><h3>struct GstMpg123AudioDec</h3> 164<pre class="programlisting">struct GstMpg123AudioDec;</pre> 165</div> 166</div> 167<div class="refsect1"> 168<a name="gst-plugins-good-plugins-mpg123audiodec.see-also"></a><h2>See Also</h2> 169<p>lamemp3enc, mad</p> 170</div> 171</div> 172<div class="footer"> 173<hr>Generated by GTK-Doc V1.28</div> 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