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| <a href="#gst-plugins-good-plugins-monoscope.description" class="shortcut">Description</a></span> |
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| <a name="gst-plugins-good-plugins-monoscope"></a><div class="titlepage"></div> |
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| <td valign="top"> |
| <h2><span class="refentrytitle"><a name="gst-plugins-good-plugins-monoscope.top_of_page"></a>monoscope</span></h2> |
| <p>monoscope</p> |
| </td> |
| <td class="gallery_image" valign="top" align="right"></td> |
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| <div class="refsect1"> |
| <a name="gst-plugins-good-plugins-monoscope.other"></a><h2>Types and Values</h2> |
| <div class="informaltable"><table width="100%" border="0"> |
| <colgroup> |
| <col width="150px" class="name"> |
| <col class="description"> |
| </colgroup> |
| <tbody><tr> |
| <td class="datatype_keyword">struct</td> |
| <td class="function_name"><a class="link" href="gst-plugins-good-plugins-monoscope.html#GstMonoscope" title="struct GstMonoscope">GstMonoscope</a></td> |
| </tr></tbody> |
| </table></div> |
| </div> |
| <div class="refsect1"> |
| <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.</p> |
| <div class="refsect2"> |
| <a name="id-1.2.81.4.3"></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>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> |
| </tr> |
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| </table> |
| </div> |
| |
| </div> |
| <div class="refsynopsisdiv"> |
| <h2>Synopsis</h2> |
| <div class="refsect2"> |
| <a name="id-1.2.81.4.4.1"></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-monoscope.html#plugin-monoscope">monoscope</a> |
| </td> |
| </tr> |
| <tr> |
| <td><p><span class="term">author</span></p></td> |
| <td>Richard Boulton <richard@tartarus.org></td> |
| </tr> |
| <tr> |
| <td><p><span class="term">class</span></p></td> |
| <td>Visualization</td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="id-1.2.81.4.4.2"></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)S16LE, rate=(int)[ 8000, 96000 ], channels=(int)1, 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>video/x-raw, format=(string)BGRx, width=(int)256, height=(int)128, framerate=(fraction)[ 0/1, 2147483647/1 ]</td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-good-plugins-monoscope.functions_details"></a><h2>Functions</h2> |
| <p></p> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-good-plugins-monoscope.other_details"></a><h2>Types and Values</h2> |
| <div class="refsect2"> |
| <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; |
| }; |
| </pre> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-good-plugins-monoscope.see-also"></a><h2>See Also</h2> |
| <p>goom</p> |
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