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

<plugin>
  <name>cdio</name>
  <description>Read audio from audio CDs</description>
  <filename>../../ext/cdio/.libs/libgstcdio.so</filename>
  <basename>libgstcdio.so</basename>
  <version>1.15.2.1</version>
  <license>GPL</license>
  <source>gst-plugins-ugly</source>
  <package>GStreamer Ugly Plug-ins git</package>
  <origin>Unknown package origin</origin>
  <elements>
    <element>
      <name>cdiocddasrc</name>
      <longname>CD audio source (CDDA)</longname>
      <class>Source/File</class>
      <description>Read audio from CD using libcdio</description>
      <author>Tim-Philipp Müller &lt;tim centricular net&gt;</author>
      <pads>
        <caps>
          <name>src</name>
          <direction>source</direction>
          <presence>always</presence>
          <details>audio/x-raw, format=(string)S16LE, layout=(string)interleaved, rate=(int)44100, channels=(int)2</details>
        </caps>
      </pads>
    </element>
  </elements>
</plugin>