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

<plugin>
  <name>webrtcdsp</name>
  <description>Voice pre-processing using WebRTC Audio Processing Library</description>
  <filename>../../ext/webrtcdsp/.libs/libgstwebrtcdsp.so</filename>
  <basename>libgstwebrtcdsp.so</basename>
  <version>1.9.90</version>
  <license>LGPL</license>
  <source>gst-plugins-bad</source>
  <package>WebRTCDsp</package>
  <origin>http://git.collabora.com</origin>
  <elements>
    <element>
      <name>webrtcdsp</name>
      <longname>Voice Processor (AGC, AEC, filters, etc.)</longname>
      <class>Generic/Audio</class>
      <description>Pre-processes voice with WebRTC Audio Processing Library</description>
      <author>Nicolas Dufresne &lt;nicolas.dufresne@collabora.com&gt;</author>
      <pads>
        <caps>
          <name>sink</name>
          <direction>sink</direction>
          <presence>always</presence>
          <details>audio/x-raw, format=(string)S16LE, layout=(string)interleaved, rate=(int){ 48000, 32000, 16000, 8000 }, channels=(int)[ 1, 2147483647 ]</details>
        </caps>
        <caps>
          <name>src</name>
          <direction>source</direction>
          <presence>always</presence>
          <details>audio/x-raw, format=(string)S16LE, layout=(string)interleaved, rate=(int){ 48000, 32000, 16000, 8000 }, channels=(int)[ 1, 2147483647 ]</details>
        </caps>
      </pads>
    </element>
    <element>
      <name>webrtcechoprobe</name>
      <longname>Accoustic Echo Canceller probe</longname>
      <class>Generic/Audio</class>
      <description>Gathers playback buffers for webrtcdsp</description>
      <author>Nicolas Dufresne &lt;nicolas.dufrsesne@collabora.com&gt;</author>
      <pads>
        <caps>
          <name>sink</name>
          <direction>sink</direction>
          <presence>always</presence>
          <details>audio/x-raw, format=(string)S16LE, layout=(string)interleaved, rate=(int){ 48000, 32000, 16000, 8000 }, channels=(int)[ 1, 2147483647 ]</details>
        </caps>
        <caps>
          <name>src</name>
          <direction>source</direction>
          <presence>always</presence>
          <details>audio/x-raw, format=(string)S16LE, layout=(string)interleaved, rate=(int){ 48000, 32000, 16000, 8000 }, channels=(int)[ 1, 2147483647 ]</details>
        </caps>
      </pads>
    </element>
  </elements>
</plugin>