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

<plugin>
  <name>musepack</name>
  <description>Musepack decoder</description>
  <filename>../../ext/musepack/.libs/libgstmusepack.so</filename>
  <basename>libgstmusepack.so</basename>
  <version>0.10.8</version>
  <license>LGPL</license>
  <source>gst-plugins-bad</source>
  <package>GStreamer Bad Plug-ins source release</package>
  <origin>Unknown package origin</origin>
  <elements>
    <element>
      <name>musepackdec</name>
      <longname>Musepack decoder</longname>
      <class>Codec/Decoder/Audio</class>
      <description>Musepack decoder</description>
      <author>Ronald Bultje &lt;rbultje@ronald.bitfreak.net&gt;</author>
      <pads>
        <caps>
          <name>src</name>
          <direction>source</direction>
          <presence>always</presence>
          <details>audio/x-raw-float, width=(int)32, endianness=(int)1234, rate=(int)[ 8000, 96000 ], channels=(int)[ 1, 2 ]</details>
        </caps>
        <caps>
          <name>sink</name>
          <direction>sink</direction>
          <presence>always</presence>
          <details>audio/x-musepack, streamversion=(int)7</details>
        </caps>
      </pads>
    </element>
  </elements>
</plugin>