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24 <a href="#gst-plugins-base-plugins-audioresample.synopsis" class="shortcut">Top</a>
26 <a href="#gst-plugins-base-plugins-audioresample.description" class="shortcut">Description</a>
28 <a href="#gst-plugins-base-plugins-audioresample.object-hierarchy" class="shortcut">Object Hierarchy</a>
30 <a href="#gst-plugins-base-plugins-audioresample.properties" class="shortcut">Properties</a>
33 <div class="refentry">
34 <a name="gst-plugins-base-plugins-audioresample"></a><div class="titlepage"></div>
35 <div class="refnamediv"><table width="100%"><tr>
37 <h2><span class="refentrytitle"><a name="gst-plugins-base-plugins-audioresample.top_of_page"></a>audioresample</span></h2>
38 <p>audioresample — Resamples audio</p>
40 <td valign="top" align="right"></td>
42 <div class="refsynopsisdiv">
43 <a name="gst-plugins-base-plugins-audioresample.synopsis"></a><h2>Synopsis</h2>
44 <a name="GstAudioResample"></a><pre class="synopsis">struct <a class="link" href="gst-plugins-base-plugins-audioresample.html#GstAudioResample-struct" title="struct GstAudioResample">GstAudioResample</a>;
47 <div class="refsect1">
48 <a name="gst-plugins-base-plugins-audioresample.object-hierarchy"></a><h2>Object Hierarchy</h2>
49 <pre class="synopsis">
50 <a href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GObject">GObject</a>
51 +----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstObject.html">GstObject</a>
52 +----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html">GstElement</a>
53 +----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer-libs/html/GstBaseTransform.html">GstBaseTransform</a>
57 <div class="refsect1">
58 <a name="gst-plugins-base-plugins-audioresample.properties"></a><h2>Properties</h2>
59 <pre class="synopsis">
60 "<a class="link" href="gst-plugins-base-plugins-audioresample.html#GstAudioResample--filter-length" title='The "filter-length" property'>filter-length</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write
61 "<a class="link" href="gst-plugins-base-plugins-audioresample.html#GstAudioResample--quality" title='The "quality" property'>quality</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write / Construct
64 <div class="refsect1">
65 <a name="gst-plugins-base-plugins-audioresample.description"></a><h2>Description</h2>
67 audioresample resamples raw audio buffers to different sample rates using
68 a configurable windowing function to enhance quality.
72 <div class="refsect2">
73 <a name="idp8557472"></a><h3>Example launch line</h3>
74 <div class="informalexample">
75 <table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
78 <td class="listing_lines" align="right"><pre>1</pre></td>
79 <td class="listing_code"><pre class="programlisting">gst<span class="gtkdoc opt">-</span>launch <span class="gtkdoc opt">-</span>v filesrc location<span class="gtkdoc opt">=</span>sine<span class="gtkdoc opt">.</span>ogg <span class="gtkdoc opt">!</span> oggdemux <span class="gtkdoc opt">!</span> vorbisdec <span class="gtkdoc opt">!</span> audioconvert <span class="gtkdoc opt">!</span> audioresample <span class="gtkdoc opt">!</span> audio<span class="gtkdoc opt">/</span>x<span class="gtkdoc opt">-</span>raw<span class="gtkdoc opt">-</span><span class="gtkdoc kwb">int</span><span class="gtkdoc opt">,</span> rate<span class="gtkdoc opt">=</span><span class="number">8000</span> <span class="gtkdoc opt">!</span> alsasink</pre></td>
84 Decode an Ogg/Vorbis downsample to 8Khz and play sound through alsa.
85 To create the Ogg/Vorbis file refer to the documentation of vorbisenc.
89 <div class="refsynopsisdiv">
91 <div class="refsect2">
92 <a name="idp8555248"></a><h3>Element Information</h3>
93 <div class="variablelist"><table border="0">
94 <col align="left" valign="top">
97 <td><p><span class="term">plugin</span></p></td>
99 <a class="link" href="gst-plugins-base-plugins-plugin-audioresample.html#plugin-audioresample">audioresample</a>
103 <td><p><span class="term">author</span></p></td>
104 <td>Sebastian Dröge <sebastian.droege@collabora.co.uk></td>
107 <td><p><span class="term">class</span></p></td>
108 <td>Filter/Converter/Audio</td>
114 <div class="refsect2">
115 <a name="idp6067952"></a><h3>Element Pads</h3>
116 <div class="variablelist"><table border="0">
117 <col align="left" valign="top">
120 <td><p><span class="term">name</span></p></td>
124 <td><p><span class="term">direction</span></p></td>
128 <td><p><span class="term">presence</span></p></td>
132 <td><p><span class="term">details</span></p></td>
133 <td>audio/x-raw-float, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int){ 32, 64 }</td>
136 <td><p><span class="term"></span></p></td>
137 <td> audio/x-raw-int, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)32, depth=(int)32, signed=(boolean)true</td>
140 <td><p><span class="term"></span></p></td>
141 <td> audio/x-raw-int, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)24, depth=(int)24, signed=(boolean)true</td>
144 <td><p><span class="term"></span></p></td>
145 <td> audio/x-raw-int, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)16, depth=(int)16, signed=(boolean)true</td>
148 <td><p><span class="term"></span></p></td>
149 <td> audio/x-raw-int, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)8, depth=(int)8, signed=(boolean)true</td>
153 <div class="variablelist"><table border="0">
154 <col align="left" valign="top">
157 <td><p><span class="term">name</span></p></td>
161 <td><p><span class="term">direction</span></p></td>
165 <td><p><span class="term">presence</span></p></td>
169 <td><p><span class="term">details</span></p></td>
170 <td>audio/x-raw-float, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int){ 32, 64 }</td>
173 <td><p><span class="term"></span></p></td>
174 <td> audio/x-raw-int, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)32, depth=(int)32, signed=(boolean)true</td>
177 <td><p><span class="term"></span></p></td>
178 <td> audio/x-raw-int, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)24, depth=(int)24, signed=(boolean)true</td>
181 <td><p><span class="term"></span></p></td>
182 <td> audio/x-raw-int, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)16, depth=(int)16, signed=(boolean)true</td>
185 <td><p><span class="term"></span></p></td>
186 <td> audio/x-raw-int, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)8, depth=(int)8, signed=(boolean)true</td>
195 <div class="refsect1">
196 <a name="gst-plugins-base-plugins-audioresample.details"></a><h2>Details</h2>
197 <div class="refsect2">
198 <a name="GstAudioResample-struct"></a><h3>struct GstAudioResample</h3>
199 <pre class="programlisting">struct GstAudioResample;</pre>
201 Opaque data structure.
205 <div class="refsect1">
206 <a name="gst-plugins-base-plugins-audioresample.property-details"></a><h2>Property Details</h2>
207 <div class="refsect2">
208 <a name="GstAudioResample--filter-length"></a><h3>The <code class="literal">"filter-length"</code> property</h3>
209 <pre class="programlisting"> "filter-length" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write</pre>
210 <div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
211 <h3 class="title">Warning</h3>
212 <p><code class="literal">GstAudioResample:filter-length</code> is deprecated and should not be used in newly-written code. Use <a class="link" href="gst-plugins-base-plugins-audioresample.html#GstAudioResample--quality" title='The "quality" property'><span class="type">"quality"</span></a> property instead</p>
215 Length of the resample filter
217 <p>Allowed values: >= 0</p>
218 <p>Default value: 64</p>
221 <div class="refsect2">
222 <a name="GstAudioResample--quality"></a><h3>The <code class="literal">"quality"</code> property</h3>
223 <pre class="programlisting"> "quality" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write / Construct</pre>
224 <p>Resample quality with 0 being the lowest and 10 being the best.</p>
225 <p>Allowed values: [0,10]</p>
226 <p>Default value: 4</p>
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