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<a href="#gst-plugins-good-plugins-monoscope.synopsis" class="shortcut">Top</a>
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                  <a href="#gst-plugins-good-plugins-monoscope.description" class="shortcut">Description</a>
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<h2><span class="refentrytitle"><a name="gst-plugins-good-plugins-monoscope.top_of_page"></a>monoscope</span></h2>
<p>monoscope — Displays a highly stabilised waveform of audio input</p>
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<a name="gst-plugins-good-plugins-monoscope.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">struct              <a class="link" href="gst-plugins-good-plugins-monoscope.html#GstMonoscope" title="struct GstMonoscope">GstMonoscope</a>;
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<a name="gst-plugins-good-plugins-monoscope.description"></a><h2>Description</h2>
<p>
Monoscope is an audio visualisation element. It creates a coloured
curve of the audio signal like on an oscilloscope.
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<a name="idp10140656"></a><h3>Example launch line</h3>
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        <td class="listing_lines" align="right"><pre>1</pre></td>
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        <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>v audiotestsrc <span class="gtkdoc opt">!</span> audioconvert <span class="gtkdoc opt">!</span> monoscope <span class="gtkdoc opt">!</span> videoconvert <span class="gtkdoc opt">!</span> ximagesink</pre></td>
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<h2>Synopsis</h2>
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<a name="idp5124976"></a><h3>Element Information</h3>
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<td><p><span class="term">plugin</span></p></td>
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            <a class="link" href="gst-plugins-good-plugins-plugin-monoscope.html#plugin-monoscope">monoscope</a>
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<td><p><span class="term">author</span></p></td>
<td>Richard Boulton &lt;richard@tartarus.org&gt;</td>
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<td><p><span class="term">class</span></p></td>
<td>Visualization</td>
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<div class="refsect2">
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<a name="idp14417904"></a><h3>Element Pads</h3>
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<td><p><span class="term">name</span></p></td>
<td>sink</td>
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<td><p><span class="term">direction</span></p></td>
<td>sink</td>
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<td><p><span class="term">presence</span></p></td>
<td>always</td>
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<td><p><span class="term">details</span></p></td>
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<td>audio/x-raw, format=(string)S16LE, rate=(int)[ 8000, 96000 ], channels=(int)1, layout=(string)interleaved</td>
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<td><p><span class="term">name</span></p></td>
<td>src</td>
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<td><p><span class="term">direction</span></p></td>
<td>source</td>
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<td><p><span class="term">presence</span></p></td>
<td>always</td>
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<td><p><span class="term">details</span></p></td>
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<td>video/x-raw, format=(string)BGRx, width=(int)256, height=(int)128, framerate=(fraction)[ 0/1, 2147483647/1 ]</td>
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<a name="gst-plugins-good-plugins-monoscope.details"></a><h2>Details</h2>
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<a name="GstMonoscope"></a><h3>struct GstMonoscope</h3>
<pre class="programlisting">struct GstMonoscope {
  GstElement element;

  /* pads */
  GstPad      *sinkpad;
  GstPad      *srcpad;

  GstAdapter  *adapter;

  guint64      next_ts;             /* expected timestamp of the next frame */
  guint64      frame_duration;      /* video frame duration    */
  gint         rate;                /* sample rate             */
  guint        bps;                 /* bytes per sample        */
  guint        spf;                 /* samples per video frame */
  GstBufferPool *pool;

  GstSegment   segment;

  /* QoS stuff *//* with LOCK */
  gdouble      proportion;
  GstClockTime earliest_time;

  /* video state */
  gint         fps_num;
  gint         fps_denom;
  gint         width;
  gint         height;
  guint        outsize;

  /* visualisation state */
  struct monoscope_state *visstate;
};
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<div class="refsect1">
<a name="gst-plugins-good-plugins-monoscope.see-also"></a><h2>See Also</h2>
goom
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