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

<plugin>
  <name>playback</name>
  <description>various playback elements</description>
  <filename>../../gst/playback/.libs/libgstplaybin.so</filename>
  <basename>libgstplaybin.so</basename>
  <version>0.10.18.1</version>
  <license>LGPL</license>
  <source>gst-plugins-base</source>
  <package>GStreamer Base Plug-ins CVS/prerelease</package>
  <origin>Unknown package origin</origin>
  <elements>
    <element>
      <name>playbin</name>
      <longname>Player Bin</longname>
      <class>Generic/Bin/Player</class>
      <description>Autoplug and play media from an uri</description>
      <author>Wim Taymans &lt;wim.taymans@gmail.com&gt;</author>
      <pads>
    
      </pads>
    </element>
    <element>
      <name>playbin2</name>
      <longname>Player Bin 2</longname>
      <class>Generic/Bin/Player</class>
      <description>Autoplug and play media from an uri</description>
      <author>Wim Taymans &lt;wim.taymans@gmail.com&gt;</author>
      <pads>
    
      </pads>
    </element>
  </elements>
</plugin>