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

<plugin>
  <name>cairo</name>
  <description>Cairo-based overlaying</description>
  <filename>../../ext/cairo/.libs/libgstcairo.so</filename>
  <basename>libgstcairo.so</basename>
  <version>0.10.3</version>
  <license>LGPL</license>
  <source>gst-plugins-good</source>
  <package>GStreamer Good Plug-ins source release</package>
  <origin>Unknown package origin</origin>
  <elements>
    <element>
      <name>cairotextoverlay</name>
      <longname>Text overlay</longname>
      <class>Filter/Editor/Video</class>
      <description>Adds text strings on top of a video buffer</description>
      <author>David Schleef &lt;ds@schleef.org&gt;</author>
    </element>
    <element>
      <name>cairotimeoverlay</name>
      <longname>Time overlay</longname>
      <class>Filter/Editor/Video</class>
      <description>Overlays the time on a video stream</description>
      <author>David Schleef &lt;ds@schleef.org&gt;</author>
    </element>
  </elements>
</plugin>