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<a href="#gst-plugins-good-plugins-cutter.synopsis" class="shortcut">Top</a>
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<a href="#gst-plugins-good-plugins-cutter.description" class="shortcut">Description</a>
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<a href="#gst-plugins-good-plugins-cutter.object-hierarchy" class="shortcut">Object Hierarchy</a>
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<a href="#gst-plugins-good-plugins-cutter.properties" class="shortcut">Properties</a>
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<div class="refentry">
<a name="gst-plugins-good-plugins-cutter"></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-cutter.top_of_page"></a>cutter</span></h2>
<p>cutter — Audio Cutter to split audio into non-silent bits</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<a name="gst-plugins-good-plugins-cutter.synopsis"></a><h2>Synopsis</h2>
<a name="GstCutter"></a><pre class="synopsis">struct <a class="link" href="gst-plugins-good-plugins-cutter.html#GstCutter-struct" title="struct GstCutter">GstCutter</a>;
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-cutter.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
<a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a>
+----<a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstObject.html">GstObject</a>
+----<a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstElement.html">GstElement</a>
+----GstCutter
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-cutter.properties"></a><h2>Properties</h2>
<pre class="synopsis">
"<a class="link" href="gst-plugins-good-plugins-cutter.html#GstCutter--leaky" title='The "leaky" property'>leaky</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write
"<a class="link" href="gst-plugins-good-plugins-cutter.html#GstCutter--pre-length" title='The "pre-length" property'>pre-length</a>" <span class="type">guint64</span> : Read / Write
"<a class="link" href="gst-plugins-good-plugins-cutter.html#GstCutter--run-length" title='The "run-length" property'>run-length</a>" <span class="type">guint64</span> : Read / Write
"<a class="link" href="gst-plugins-good-plugins-cutter.html#GstCutter--threshold" title='The "threshold" property'>threshold</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> : Read / Write
"<a class="link" href="gst-plugins-good-plugins-cutter.html#GstCutter--threshold-dB" title='The "threshold-dB" property'>threshold-dB</a>" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> : Read / Write
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-cutter.description"></a><h2>Description</h2>
<p>
Analyses the audio signal for periods of silence. The start and end of
silence is signalled by bus messages named
<code class="classname">"cutter"</code>.
The message's structure contains two fields:
</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem"><p>
<a href="/usr/share/gtk-doc/html/gstreamer-0.10/GstClock.html#GstClockTime"><span class="type">GstClockTime</span></a>
<code class="classname">"timestamp"</code>:
the timestamp of the buffer that triggered the message.
</p></li>
<li class="listitem"><p>
gboolean
<code class="classname">"above"</code>:
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> for begin of silence and <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> for end of silence.
</p></li>
</ul></div>
<p>
</p>
<p>
</p>
<div class="refsect2">
<a name="idp5673688"></a><h3>Example launch line</h3>
<div class="informalexample"><pre class="programlisting">
gst-launch -m filesrc location=foo.ogg ! decodebin ! audioconvert ! cutter ! autoaudiosink
</pre></div> Show cut messages.
</div>
<p>
</p>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="refsect2">
<a name="idp6114872"></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-cutter.html#plugin-cutter">cutter</a>
</td>
</tr>
<tr>
<td><p><span class="term">author</span></p></td>
<td>Thomas Vander Stichele <thomas at apestaart dot org></td>
</tr>
<tr>
<td><p><span class="term">class</span></p></td>
<td>Filter/Editor/Audio</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="idp4398336"></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, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int){ 8, 16 }, depth=(int){ 8, 16 }, signed=(boolean)true</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, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int){ 8, 16 }, depth=(int){ 8, 16 }, signed=(boolean)true</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<p>
</p>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-cutter.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GstCutter-struct"></a><h3>struct GstCutter</h3>
<pre class="programlisting">struct GstCutter;</pre>
<p>
</p>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-good-plugins-cutter.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstCutter--leaky"></a><h3>The <code class="literal">"leaky"</code> property</h3>
<pre class="programlisting"> "leaky" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> : Read / Write</pre>
<p>do we leak buffers when below threshold ?.</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCutter--pre-length"></a><h3>The <code class="literal">"pre-length"</code> property</h3>
<pre class="programlisting"> "pre-length" <span class="type">guint64</span> : Read / Write</pre>
<p>Length of pre-recording buffer (in nanoseconds).</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCutter--run-length"></a><h3>The <code class="literal">"run-length"</code> property</h3>
<pre class="programlisting"> "run-length" <span class="type">guint64</span> : Read / Write</pre>
<p>Length of drop below threshold before cut_stop (in nanoseconds).</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCutter--threshold"></a><h3>The <code class="literal">"threshold"</code> property</h3>
<pre class="programlisting"> "threshold" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> : Read / Write</pre>
<p>Volume threshold before trigger.</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GstCutter--threshold-dB"></a><h3>The <code class="literal">"threshold-dB"</code> property</h3>
<pre class="programlisting"> "threshold-dB" <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> : Read / Write</pre>
<p>Volume threshold before trigger (in dB).</p>
<p>Default value: 0</p>
</div>
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