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

<plugin>
  <name>amrnb</name>
  <description>Adaptive Multi-Rate Narrow-Band</description>
  <filename>../../ext/amrnb/.libs/libgstamrnb.so</filename>
  <basename>libgstamrnb.so</basename>
  <version>0.11.90</version>
  <license>unknown</license>
  <source>gst-plugins-ugly</source>
  <package>GStreamer Ugly Plug-ins source release</package>
  <origin>Unknown package origin</origin>
  <elements>
    <element>
      <name>amrnbdec</name>
      <longname>AMR-NB audio decoder</longname>
      <class>Codec/Decoder/Audio</class>
      <description>Adaptive Multi-Rate Narrow-Band audio decoder</description>
      <author>GStreamer maintainers &lt;gstreamer-devel@lists.sourceforge.net&gt;</author>
      <pads>
        <caps>
          <name>sink</name>
          <direction>sink</direction>
          <presence>always</presence>
          <details>audio/AMR, rate=(int)8000, channels=(int)1</details>
        </caps>
        <caps>
          <name>src</name>
          <direction>source</direction>
          <presence>always</presence>
          <details>audio/x-raw, format=(string)S16LE, layout=(string)interleaved, rate=(int)8000, channels=(int)1</details>
        </caps>
      </pads>
    </element>
    <element>
      <name>amrnbenc</name>
      <longname>AMR-NB audio encoder</longname>
      <class>Codec/Encoder/Audio</class>
      <description>Adaptive Multi-Rate Narrow-Band audio encoder</description>
      <author>Wim Taymans &lt;wim.taymans@gmail.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)8000, channels=(int)1</details>
        </caps>
        <caps>
          <name>src</name>
          <direction>source</direction>
          <presence>always</presence>
          <details>audio/AMR, rate=(int)8000, channels=(int)1</details>
        </caps>
      </pads>
    </element>
  </elements>
</plugin>