gstreamer/docs/plugins/inspect/plugin-sine.xml

<plugin>
  <name>sine</name>
  <description>Sine audio wave generator</description>
  <filename>../../gst/sine/.libs/libgstsinesrc.so</filename>
  <basename>libgstsinesrc.so</basename>
  <version>0.9.2.1</version>
  <license>LGPL</license>
  <source>gst-plugins-base</source>
  <package>GStreamer CVS/prerelease</package>
  <origin>http://gstreamer.freedesktop.org/</origin>
  <elements>
    <element>
      <name>sinesrc</name>
      <longname>Sine-wave src</longname>
      <class>Source/Audio</class>
      <description>Create a sine wave of a given frequency and volume</description>
      <author>Erik Walthinsen &lt;omega@cse.ogi.edu&gt;</author>
    </element>
  </elements>
</plugin>