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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<a href="#gst-plugins-good-plugins-audioamplify.synopsis" class="shortcut">Top</a>
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<a href="#gst-plugins-good-plugins-audioamplify.description" class="shortcut">Description</a>
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<a href="#gst-plugins-good-plugins-audioamplify.object-hierarchy" class="shortcut">Object Hierarchy</a>
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<a href="#gst-plugins-good-plugins-audioamplify.properties" class="shortcut">Properties</a>
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</table>
<div class="refentry">
<a name="gst-plugins-good-plugins-audioamplify"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="gst-plugins-good-plugins-audioamplify.top_of_page"></a>audioamplify</span></h2>
<p>audioamplify — Amplifies an audio stream by a given factor</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<a name="gst-plugins-good-plugins-audioamplify.synopsis"></a><h2>Synopsis</h2>
<a name="GstAudioAmplify"></a><pre class="synopsis">struct <a class="link" href="gst-plugins-good-plugins-audioamplify.html#GstAudioAmplify-struct" title="struct GstAudioAmplify">GstAudioAmplify</a>;
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-audioamplify.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
<a href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GObject">GObject</a>
+----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstObject.html">GstObject</a>
+----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html">GstElement</a>
+----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer-libs/html/GstBaseTransform.html">GstBaseTransform</a>
+----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstaudiofilter.html#GstAudioFilter">GstAudioFilter</a>
+----GstAudioAmplify
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-audioamplify.properties"></a><h2>Properties</h2>
<pre class="synopsis">
"<a class="link" href="gst-plugins-good-plugins-audioamplify.html#GstAudioAmplify--amplification" title='The "amplification" property'>amplification</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a> : Read / Write
"<a class="link" href="gst-plugins-good-plugins-audioamplify.html#GstAudioAmplify--clipping-method" title='The "clipping-method" property'>clipping-method</a>" <span class="type">GstAudioPanoramaClippingMethod</span> : Read / Write
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-audioamplify.description"></a><h2>Description</h2>
<p>
Amplifies an audio stream by a given factor and allows the selection of different clipping modes.
The difference between the clipping modes is best evaluated by testing.
</p>
<p>
</p>
<div class="refsect2">
<a name="idp5363600"></a><h3>Example launch line</h3>
<div class="informalexample">
<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td class="listing_lines" align="right"><pre>1
2
3</pre></td>
<td class="listing_code"><pre class="programlisting">gst<span class="gtkdoc opt">-</span>launch audiotestsrc wave<span class="gtkdoc opt">=</span>saw <span class="gtkdoc opt">!</span> audioamplify amplification<span class="gtkdoc opt">=</span><span class="number">1.5</span> <span class="gtkdoc opt">!</span> alsasink
gst<span class="gtkdoc opt">-</span>launch filesrc location<span class="gtkdoc opt">=</span><span class="string">"melo1.ogg"</span> <span class="gtkdoc opt">!</span> oggdemux <span class="gtkdoc opt">!</span> vorbisdec <span class="gtkdoc opt">!</span> audioconvert <span class="gtkdoc opt">!</span> audioamplify amplification<span class="gtkdoc opt">=</span><span class="number">1.5</span> method<span class="gtkdoc opt">=</span>wrap<span class="gtkdoc opt">-</span>negative <span class="gtkdoc opt">!</span> alsasink
gst<span class="gtkdoc opt">-</span>launch audiotestsrc wave<span class="gtkdoc opt">=</span>saw <span class="gtkdoc opt">!</span> audioconvert <span class="gtkdoc opt">!</span> audioamplify amplification<span class="gtkdoc opt">=</span><span class="number">1.5</span> method<span class="gtkdoc opt">=</span>wrap<span class="gtkdoc opt">-</span>positive <span class="gtkdoc opt">!</span> audioconvert <span class="gtkdoc opt">!</span> alsasink</pre></td>
</tr>
</tbody>
</table>
</div>
</div>
<p>
</p>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="refsect2">
<a name="idp8426928"></a><h3>Element Information</h3>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term">plugin</span></p></td>
<td>
<a class="link" href="gst-plugins-good-plugins-plugin-audiofx.html#plugin-audiofx">audiofx</a>
</td>
</tr>
<tr>
<td><p><span class="term">author</span></p></td>
<td>Sebastian Dröge <slomo@circular-chaos.org></td>
</tr>
<tr>
<td><p><span class="term">class</span></p></td>
<td>Filter/Effect/Audio</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="idp8618992"></a><h3>Element Pads</h3>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<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-int, depth=(int)8, width=(int)8, endianness=(int)1234, signed=(boolean)true, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> audio/x-raw-int, depth=(int)16, width=(int)16, endianness=(int)1234, signed=(boolean)true, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> audio/x-raw-int, depth=(int)32, width=(int)32, endianness=(int)1234, signed=(boolean)true, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> audio/x-raw-float, width=(int){ 32, 64 }, endianness=(int)1234, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ]</td>
</tr>
</tbody>
</table></div>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<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-raw-int, depth=(int)8, width=(int)8, endianness=(int)1234, signed=(boolean)true, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> audio/x-raw-int, depth=(int)16, width=(int)16, endianness=(int)1234, signed=(boolean)true, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> audio/x-raw-int, depth=(int)32, width=(int)32, endianness=(int)1234, signed=(boolean)true, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ]</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> audio/x-raw-float, width=(int){ 32, 64 }, endianness=(int)1234, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ]</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<p>
</p>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-audioamplify.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GstAudioAmplify-struct"></a><h3>struct GstAudioAmplify</h3>
<pre class="programlisting">struct GstAudioAmplify;</pre>
<p>
</p>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-audioamplify.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstAudioAmplify--amplification"></a><h3>The <code class="literal">"amplification"</code> property</h3>
<pre class="programlisting"> "amplification" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a> : Read / Write</pre>
<p>Factor of amplification.</p>
<p>Default value: 1</p>
</div>
<hr>
<div class="refsect2">
<a name="GstAudioAmplify--clipping-method"></a><h3>The <code class="literal">"clipping-method"</code> property</h3>
<pre class="programlisting"> "clipping-method" <span class="type">GstAudioPanoramaClippingMethod</span> : Read / Write</pre>
<p>
Clipping method: clip mode set values higher than the maximum to the
maximum. The wrap-negative mode pushes those values back from the
opposite side, wrap-positive pushes them back from the same side.
</p>
<p>Default value: Normal clipping (default)</p>
</div>
</div>
</div>
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