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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>twolame</title>
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<th width="100%" align="center">GStreamer Ugly Plugins 1.0 Plugins Reference Manual</th>
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<tr><td colspan="5" class="shortcuts">
<a href="#gst-plugins-ugly-plugins-twolame.synopsis" class="shortcut">Top</a>
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<a href="#gst-plugins-ugly-plugins-twolame.description" class="shortcut">Description</a>
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<a href="#gst-plugins-ugly-plugins-twolame.object-hierarchy" class="shortcut">Object Hierarchy</a>
|
<a href="#gst-plugins-ugly-plugins-twolame.implemented-interfaces" class="shortcut">Implemented Interfaces</a>
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<a href="#gst-plugins-ugly-plugins-twolame.properties" class="shortcut">Properties</a>
</td></tr>
</table>
<div class="refentry">
<a name="gst-plugins-ugly-plugins-twolame"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="gst-plugins-ugly-plugins-twolame.top_of_page"></a>twolame</span></h2>
<p>twolame — High-quality free MP2 encoder</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<a name="gst-plugins-ugly-plugins-twolame.synopsis"></a><h2>Synopsis</h2>
<a name="GstTwoLame"></a><pre class="synopsis">struct <a class="link" href="gst-plugins-ugly-plugins-twolame.html#GstTwoLame-struct" title="struct GstTwoLame">GstTwoLame</a>;
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-ugly-plugins-twolame.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://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</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/gst-plugins-base-libs/html/gst-plugins-base-libs-gstaudioencoder.html#GstAudioEncoder">GstAudioEncoder</a>
+----GstTwoLame
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-ugly-plugins-twolame.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
GstTwoLame implements
<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstPreset.html">GstPreset</a>.</p>
</div>
<div class="refsect1">
<a name="gst-plugins-ugly-plugins-twolame.properties"></a><h2>Properties</h2>
<pre class="synopsis">
"<a class="link" href="gst-plugins-ugly-plugins-twolame.html#GstTwoLame--ath-level" title='The "ath-level" property'>ath-level</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-ugly-plugins-twolame.html#GstTwoLame--bitrate" title='The "bitrate" property'>bitrate</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write
"<a class="link" href="gst-plugins-ugly-plugins-twolame.html#GstTwoLame--copyright" title='The "copyright" property'>copyright</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write
"<a class="link" href="gst-plugins-ugly-plugins-twolame.html#GstTwoLame--emphasis" title='The "emphasis" property'>emphasis</a>" <span class="type">GstTwoLameEmphasis</span> : Read / Write
"<a class="link" href="gst-plugins-ugly-plugins-twolame.html#GstTwoLame--energy-level-extension" title='The "energy-level-extension" property'>energy-level-extension</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write
"<a class="link" href="gst-plugins-ugly-plugins-twolame.html#GstTwoLame--error-protection" title='The "error-protection" property'>error-protection</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write
"<a class="link" href="gst-plugins-ugly-plugins-twolame.html#GstTwoLame--mode" title='The "mode" property'>mode</a>" <span class="type">GstTwoLameMode</span> : Read / Write
"<a class="link" href="gst-plugins-ugly-plugins-twolame.html#GstTwoLame--original" title='The "original" property'>original</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write
"<a class="link" href="gst-plugins-ugly-plugins-twolame.html#GstTwoLame--padding" title='The "padding" property'>padding</a>" <span class="type">GstTwoLamePadding</span> : Read / Write
"<a class="link" href="gst-plugins-ugly-plugins-twolame.html#GstTwoLame--psymodel" title='The "psymodel" property'>psymodel</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write
"<a class="link" href="gst-plugins-ugly-plugins-twolame.html#GstTwoLame--quick-mode" title='The "quick-mode" property'>quick-mode</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write
"<a class="link" href="gst-plugins-ugly-plugins-twolame.html#GstTwoLame--quick-mode-count" title='The "quick-mode-count" property'>quick-mode-count</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write
"<a class="link" href="gst-plugins-ugly-plugins-twolame.html#GstTwoLame--vbr" title='The "vbr" property'>vbr</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write
"<a class="link" href="gst-plugins-ugly-plugins-twolame.html#GstTwoLame--vbr-level" title='The "vbr-level" property'>vbr-level</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-ugly-plugins-twolame.html#GstTwoLame--vbr-max-bitrate" title='The "vbr-max-bitrate" property'>vbr-max-bitrate</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-ugly-plugins-twolame.description"></a><h2>Description</h2>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="refsect2">
<a name="idp10761440"></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-ugly-plugins-plugin-twolame.html#plugin-twolame">twolame</a>
</td>
</tr>
<tr>
<td><p><span class="term">author</span></p></td>
<td>Sebastian Dröge <sebastian.droege@collabora.co.uk></td>
</tr>
<tr>
<td><p><span class="term">class</span></p></td>
<td>Codec/Encoder/Audio</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="idp10768848"></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, format=(string){ F32LE, S16LE }, layout=(string)interleaved, rate=(int){ 16000, 22050, 24000, 32000, 44100, 48000 }, channels=(int)1</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> audio/x-raw, format=(string){ F32LE, S16LE }, layout=(string)interleaved, rate=(int){ 16000, 22050, 24000, 32000, 44100, 48000 }, channels=(int)2, channel-mask=(bitmask)0x0000000000000003</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/mpeg, mpegversion=(int)1, layer=(int)2, rate=(int){ 16000, 22050, 24000, 32000, 44100, 48000 }, channels=(int)[ 1, 2 ]</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<p>
</p>
</div>
<div class="refsect1">
<a name="gst-plugins-ugly-plugins-twolame.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GstTwoLame-struct"></a><h3>struct GstTwoLame</h3>
<pre class="programlisting">struct GstTwoLame;</pre>
<p>
</p>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-ugly-plugins-twolame.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstTwoLame--ath-level"></a><h3>The <code class="literal">"ath-level"</code> property</h3>
<pre class="programlisting"> "ath-level" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a> : Read / Write</pre>
<p>ATH Level in dB.</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstTwoLame--bitrate"></a><h3>The <code class="literal">"bitrate"</code> property</h3>
<pre class="programlisting"> "bitrate" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write</pre>
<p>Bitrate in kbit/sec (8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160, 192, 224, 256, 320, 384).</p>
<p>Allowed values: [8,384]</p>
<p>Default value: 192</p>
</div>
<hr>
<div class="refsect2">
<a name="GstTwoLame--copyright"></a><h3>The <code class="literal">"copyright"</code> property</h3>
<pre class="programlisting"> "copyright" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write</pre>
<p>Mark as copyright.</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstTwoLame--emphasis"></a><h3>The <code class="literal">"emphasis"</code> property</h3>
<pre class="programlisting"> "emphasis" <span class="type">GstTwoLameEmphasis</span> : Read / Write</pre>
<p>Pre-emphasis to apply to the decoded audio.</p>
<p>Default value: No emphasis</p>
</div>
<hr>
<div class="refsect2">
<a name="GstTwoLame--energy-level-extension"></a><h3>The <code class="literal">"energy-level-extension"</code> property</h3>
<pre class="programlisting"> "energy-level-extension" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write</pre>
<p>Write peak PCM level to each frame.</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstTwoLame--error-protection"></a><h3>The <code class="literal">"error-protection"</code> property</h3>
<pre class="programlisting"> "error-protection" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write</pre>
<p>Adds checksum to every frame.</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstTwoLame--mode"></a><h3>The <code class="literal">"mode"</code> property</h3>
<pre class="programlisting"> "mode" <span class="type">GstTwoLameMode</span> : Read / Write</pre>
<p>Encoding mode.</p>
<p>Default value: Joint Stereo</p>
</div>
<hr>
<div class="refsect2">
<a name="GstTwoLame--original"></a><h3>The <code class="literal">"original"</code> property</h3>
<pre class="programlisting"> "original" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write</pre>
<p>Mark as original.</p>
<p>Default value: TRUE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstTwoLame--padding"></a><h3>The <code class="literal">"padding"</code> property</h3>
<pre class="programlisting"> "padding" <span class="type">GstTwoLamePadding</span> : Read / Write</pre>
<p>Padding type.</p>
<p>Default value: No Padding</p>
</div>
<hr>
<div class="refsect2">
<a name="GstTwoLame--psymodel"></a><h3>The <code class="literal">"psymodel"</code> property</h3>
<pre class="programlisting"> "psymodel" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write</pre>
<p>Psychoacoustic model used to encode the audio.</p>
<p>Allowed values: [G_MAXULONG,4]</p>
<p>Default value: 3</p>
</div>
<hr>
<div class="refsect2">
<a name="GstTwoLame--quick-mode"></a><h3>The <code class="literal">"quick-mode"</code> property</h3>
<pre class="programlisting"> "quick-mode" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write</pre>
<p>Calculate Psymodel every frames.</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstTwoLame--quick-mode-count"></a><h3>The <code class="literal">"quick-mode-count"</code> property</h3>
<pre class="programlisting"> "quick-mode-count" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write</pre>
<p>Calculate Psymodel every n frames.</p>
<p>Allowed values: >= 0</p>
<p>Default value: 10</p>
</div>
<hr>
<div class="refsect2">
<a name="GstTwoLame--vbr"></a><h3>The <code class="literal">"vbr"</code> property</h3>
<pre class="programlisting"> "vbr" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write</pre>
<p>Enable variable bitrate mode.</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstTwoLame--vbr-level"></a><h3>The <code class="literal">"vbr-level"</code> property</h3>
<pre class="programlisting"> "vbr-level" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gfloat"><span class="type">gfloat</span></a> : Read / Write</pre>
<p>VBR Level.</p>
<p>Allowed values: [-10,10]</p>
<p>Default value: 5</p>
</div>
<hr>
<div class="refsect2">
<a name="GstTwoLame--vbr-max-bitrate"></a><h3>The <code class="literal">"vbr-max-bitrate"</code> property</h3>
<pre class="programlisting"> "vbr-max-bitrate" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gint"><span class="type">gint</span></a> : Read / Write</pre>
<p>Specify maximum VBR bitrate (0=off, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160, 192, 224, 256, 320, 384).</p>
<p>Allowed values: [0,384]</p>
<p>Default value: 0</p>
</div>
</div>
</div>
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