docs/plugins/inspect/plugin-voaacenc.xml

<plugin>
  <name>voaacenc</name>
  <description>AAC audio encoder</description>
  <filename>../../ext/voaacenc/.libs/libgstvoaacenc.so</filename>
  <basename>libgstvoaacenc.so</basename>
  <version>0.10.21.2</version>
  <license>LGPL</license>
  <source>gst-plugins-bad</source>
  <package>GStreamer Bad Plug-ins prerelease</package>
  <origin>Unknown package origin</origin>
  <elements>
    <element>
      <name>voaacenc</name>
      <longname>AAC audio encoder</longname>
      <class>Codec/Encoder/Audio</class>
      <description>AAC audio encoder</description>
      <author>Kan Hu &lt;kan.hu@linaro.org&gt;</author>
      <pads>
        <caps>
          <name>sink</name>
          <direction>sink</direction>
          <presence>always</presence>
          <details>audio/x-raw-int, width=(int)16, depth=(int)16, signed=(boolean)true, endianness=(int)1234, rate=(int)[ 8000, 96000 ], channels=(int)[ 1, 6 ]</details>
        </caps>
        <caps>
          <name>src</name>
          <direction>source</direction>
          <presence>always</presence>
          <details>audio/mpeg, mpegversion=(int)4, rate=(int)[ 8000, 96000 ], channels=(int)[ 1, 6 ], stream-format=(string){ adts, raw }</details>
        </caps>
      </pads>
    </element>
  </elements>
</plugin>