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

<plugin>
  <name>soundtouch</name>
  <description>Audio Pitch Controller &amp; BPM Detection</description>
  <filename>../../ext/soundtouch/.libs/libgstsoundtouch.so</filename>
  <basename>libgstsoundtouch.so</basename>
  <version>1.9.90</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>bpmdetect</name>
      <longname>BPM Detector</longname>
      <class>Filter/Analyzer/Audio</class>
      <description>Detect the BPM of an audio stream</description>
      <author>Sebastian Dröge &lt;slomo@circular-chaos.org&gt;</author>
      <pads>
        <caps>
          <name>sink</name>
          <direction>sink</direction>
          <presence>always</presence>
          <details>audio/x-raw, format=(string)F32LE, rate=(int)[ 8000, 2147483647 ], channels=(int)[ 1, 2 ]</details>
        </caps>
        <caps>
          <name>src</name>
          <direction>source</direction>
          <presence>always</presence>
          <details>audio/x-raw, format=(string)F32LE, rate=(int)[ 8000, 2147483647 ], channels=(int)[ 1, 2 ]</details>
        </caps>
      </pads>
    </element>
    <element>
      <name>pitch</name>
      <longname>Pitch controller</longname>
      <class>Filter/Effect/Audio</class>
      <description>Control the pitch of an audio stream</description>
      <author>Wouter Paesen &lt;wouter@blue-gate.be&gt;</author>
      <pads>
        <caps>
          <name>sink</name>
          <direction>sink</direction>
          <presence>always</presence>
          <details>audio/x-raw, format=(string)F32LE, rate=(int)[ 8000, 2147483647 ], channels=(int)[ 1, 2 ]</details>
        </caps>
        <caps>
          <name>src</name>
          <direction>source</direction>
          <presence>always</presence>
          <details>audio/x-raw, format=(string)F32LE, rate=(int)[ 8000, 2147483647 ], channels=(int)[ 1, 2 ]</details>
        </caps>
      </pads>
    </element>
  </elements>
</plugin>