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  • Committer: Bazaar Package Importer
  • Author(s): Tony Espy
  • Date: 2009-12-04 13:17:51 UTC
  • mfrom: (18.4.7 squeeze)
  • Revision ID: james.westby@ubuntu.com-20091204131751-hpo02yltrcsmy1xh
Tags: 0.10.17-1ubuntu1
https://launchpad.net/bugs/481645
* Merge from Debian testing (LP: #481645), remaining changes:
  - Removed plugins that are now provided -good
    - libgstdtmf.so
    - libgstvalve.so
    - libgstautoconvert.so
    - libgstrtpmux.so
    - libgstliveadder.so

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docs/plugins/html/gst-plugins-bad-plugins-videoanalyse.html
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>videoanalyse</title>
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<meta name="generator" content="DocBook XSL Stylesheets V1.75.2">
 
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<meta name="generator" content="DocBook XSL Stylesheets V1.75.1">
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<link rel="home" href="index.html" title="GStreamer Bad Plugins 0.10 Plugins Reference Manual">
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<link rel="up" href="ch01.html" title="gst-plugins-bad Elements">
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<link rel="prev" href="gst-plugins-bad-plugins-valve.html" title="valve">
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<a name="gst-plugins-bad-plugins-videoanalyse.object-hierarchy"></a><h2>Object Hierarchy</h2>
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<pre class="synopsis">
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  <a
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href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject"
 
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href="../gobject/gobject-The-Base-Object-Type.html#GObject"
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>GObject</a>
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   +----<a
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href="/usr/share/gtk-doc/html/gstreamer-0.10/GstObject.html"
 
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href="../gstreamer-0.10/GstObject.html"
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>GstObject</a>
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         +----<a
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href="/usr/share/gtk-doc/html/gstreamer-0.10/GstElement.html"
 
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href="../gstreamer-0.10/GstElement.html"
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>GstElement</a>
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               +----<a
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href="/usr/share/gtk-doc/html/gstreamer-libs-0.10/GstBaseTransform.html"
 
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href="../gstreamer-libs-0.10/GstBaseTransform.html"
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>GstBaseTransform</a>
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                     +----<a
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href="/usr/share/gtk-doc/html/gst-plugins-base-libs-0.10/gst-plugins-base-libs-gstvideofilter.html#GstVideoFilter"
 
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href="../gst-plugins-base-libs-0.10/gst-plugins-base-libs-gstvideofilter.html#GstVideoFilter"
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>GstVideoFilter</a>
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                           +----GstVideoAnalyse
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</pre>
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<a name="gst-plugins-bad-plugins-videoanalyse.properties"></a><h2>Properties</h2>
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<pre class="synopsis">
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  "<a class="link" href="gst-plugins-bad-plugins-videoanalyse.html#GstVideoAnalyse--message" title='The "message" property'>message</a>"                  <a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"
 
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href="../glib/glib-Basic-Types.html#gboolean"
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>gboolean</a>              : Read / Write / Construct
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</pre>
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</div>
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<p>
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This plugin analyses every video frame and if the <a class="link" href="gst-plugins-bad-plugins-videoanalyse.html#GstVideoAnalyse--message" title='The "message" property'><span class="type">"message"</span></a>
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property is <a
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href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE--CAPS"
 
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href="../glib/glib-Standard-Macros.html#TRUE--CAPS"
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><span class="type">TRUE</span></a>, posts an element message with video statistics called
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<code class="classname">"GstVideoAnalyse"</code>.
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</p>
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<div class="itemizedlist"><ul class="itemizedlist" type="disc">
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<li class="listitem"><p>
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  <a
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href="/usr/share/gtk-doc/html/gstreamer-0.10/GstClock.html#GstClockTime"
 
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href="../gstreamer-0.10/GstClock.html#GstClockTime"
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><span class="type">GstClockTime</span></a>
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  <code class="classname">"timestamp"</code>:
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  the timestamp of the buffer that triggered the message.
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  </p></li>
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<li class="listitem"><p>
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  <a
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href="/usr/share/gtk-doc/html/gstreamer-0.10/GstClock.html#GstClockTime"
 
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href="../gstreamer-0.10/GstClock.html#GstClockTime"
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><span class="type">GstClockTime</span></a>
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  <code class="classname">"stream-time"</code>:
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  the stream time of the buffer.
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  </p></li>
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<li class="listitem"><p>
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  <a
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href="/usr/share/gtk-doc/html/gstreamer-0.10/GstClock.html#GstClockTime"
 
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href="../gstreamer-0.10/GstClock.html#GstClockTime"
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><span class="type">GstClockTime</span></a>
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  <code class="classname">"running-time"</code>:
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  the running_time of the buffer.
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  </p></li>
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<li class="listitem"><p>
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  <a
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href="/usr/share/gtk-doc/html/gstreamer-0.10/GstClock.html#GstClockTime"
 
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href="../gstreamer-0.10/GstClock.html#GstClockTime"
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><span class="type">GstClockTime</span></a>
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  <code class="classname">"duration"</code>:
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  the duration of the buffer.
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  </p></li>
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<li class="listitem"><p>
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  <a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
 
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href="../glib/glib-Basic-Types.html#gdouble"
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><span class="type">gdouble</span></a>
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  <code class="classname">"brightness"</code>:
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  the average brightness of the frame.
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  </p></li>
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<li class="listitem"><p>
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  <a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
 
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href="../glib/glib-Basic-Types.html#gdouble"
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><span class="type">gdouble</span></a>
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  <code class="classname">"brightness-variance"</code>:
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  the brightness variance of the frame.
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<p>
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</p>
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<div class="refsect2" title="Example launch line">
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<a name="id521218"></a><h3>Example launch line</h3>
 
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<a name="id2897645"></a><h3>Example launch line</h3>
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<div class="informalexample"><pre class="programlisting">
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gst-launch -m videotestsrc ! videoanalyse ! ffmpegcolorspace ! ximagesink
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</pre></div> This pipeline emits messages to the console for each frame that has been analysed. 
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<div class="refsynopsisdiv" title="Synopsis">
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<h2>Synopsis</h2>
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<div class="refsect2" title="Element Information">
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<a name="id521242"></a><h3>Element Information</h3>
 
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<a name="id2897673"></a><h3>Element Information</h3>
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<div class="variablelist"><table border="0">
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<col align="left" valign="top">
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<tbody>
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</div>
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<hr>
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<div class="refsect2" title="Element Pads">
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<a name="id521304"></a><h3>Element Pads</h3>
 
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<a name="id2897736"></a><h3>Element Pads</h3>
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<div class="variablelist"><table border="0">
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<col align="left" valign="top">
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<tbody>
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<div class="refsect2" title='The "message" property'>
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<a name="GstVideoAnalyse--message"></a><h3>The <code class="literal">"message"</code> property</h3>
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<pre class="programlisting">  "message"                  <a
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href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"
 
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href="../glib/glib-Basic-Types.html#gboolean"
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>gboolean</a>              : Read / Write / Construct</pre>
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<p>Post statics messages.</p>
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<p>Default value: TRUE</p>