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

<plugin>
  <name>mad</name>
  <description>id3 tag manipulation and mp3 decoding based on the mad library</description>
  <filename>../../ext/mad/.libs/libgstmad.so</filename>
  <basename>libgstmad.so</basename>
  <version>0.10.2</version>
  <license>GPL</license>
  <source>gst-plugins-ugly</source>
  <package>GStreamer source release</package>
  <origin>http://gstreamer.freedesktop.org/</origin>
  <elements>
    <element>
      <name>id3mux</name>
      <longname>id3 tag muxer</longname>
      <class>Codec/Muxer/Audio</class>
      <description>Add ID3 tagging information</description>
      <author>Benjamin Otte &lt;otte@gnome.org&gt;</author>
    </element>
    <element>
      <name>mad</name>
      <longname>mad mp3 decoder</longname>
      <class>Codec/Decoder/Audio</class>
      <description>Uses mad code to decode mp3 streams</description>
      <author>Wim Taymans &lt;wim.taymans@chello.be&gt;</author>
    </element>
  </elements>
</plugin>