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| <a href="#gst-plugins-good-plugins-cutter.synopsis" class="shortcut">Top</a> |
| | |
| <a href="#gst-plugins-good-plugins-cutter.description" class="shortcut">Description</a> |
| | |
| <a href="#gst-plugins-good-plugins-cutter.object-hierarchy" class="shortcut">Object Hierarchy</a> |
| | |
| <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="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> |
| +----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="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-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="http://library.gnome.org/devel/glib/unstable/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="http://library.gnome.org/devel/glib/unstable/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" style="list-style-type: disc; "> |
| <li class="listitem"><p> |
| <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/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="http://library.gnome.org/devel/glib/unstable/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> for begin of silence and <a href="http://library.gnome.org/devel/glib/unstable/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="idp7650192"></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</pre></td> |
| <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> <span class="gtkdoc opt">-</span>m filesrc location<span class="gtkdoc opt">=</span>foo<span class="gtkdoc opt">.</span>ogg <span class="gtkdoc opt">!</span> decodebin <span class="gtkdoc opt">!</span> audioconvert <span class="gtkdoc opt">!</span> cutter <span class="gtkdoc opt">!</span> autoaudiosink</pre></td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| Show cut messages. |
| </div> |
| <p> |
| </p> |
| <div class="refsynopsisdiv"> |
| <h2>Synopsis</h2> |
| <div class="refsect2"> |
| <a name="idp5415856"></a><h3>Element Information</h3> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <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="idp11312080"></a><h3>Element Pads</h3> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <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){ S8LE, S16LE }, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], layout=(string)interleaved</td> |
| </tr> |
| </tbody> |
| </table></div> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <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, format=(string){ S8LE, S16LE }, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], layout=(string)interleaved</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="http://library.gnome.org/devel/glib/unstable/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="http://library.gnome.org/devel/glib/unstable/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="http://library.gnome.org/devel/glib/unstable/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> |
| </div> |
| </div> |
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