gstreamer/docs/plugins/inspect/plugin-queue2.xml

<plugin>
  <name>queue2</name>
  <description>Queue newer version</description>
  <filename>../../gst/playback/.libs/libgstqueue2.so</filename>
  <basename>libgstqueue2.so</basename>
  <version>0.10.21.1</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>queue2</name>
      <longname>Queue</longname>
      <class>Generic</class>
      <description>Simple data queue</description>
      <author>Erik Walthinsen &lt;omega@cse.ogi.edu&gt;, Wim Taymans &lt;wim.taymans@gmail.com&gt;</author>
      <pads>
        <caps>
          <name>sink</name>
          <direction>sink</direction>
          <presence>always</presence>
          <details>ANY</details>
        </caps>
        <caps>
          <name>src</name>
          <direction>source</direction>
          <presence>always</presence>
          <details>ANY</details>
        </caps>
      </pads>
    </element>
  </elements>
</plugin>