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

<plugin>
  <name>lame</name>
  <description>Encode MP3s with LAME</description>
  <filename>../../ext/lame/.libs/libgstlame.so</filename>
  <basename>libgstlame.so</basename>
  <version>1.13.1</version>
  <license>LGPL</license>
  <source>gst-plugins-good</source>
  <package>GStreamer Good Plug-ins source release</package>
  <origin>Unknown package origin</origin>
  <elements>
    <element>
      <name>lamemp3enc</name>
      <longname>L.A.M.E. mp3 encoder</longname>
      <class>Codec/Encoder/Audio</class>
      <description>High-quality free MP3 encoder</description>
      <author>Sebastian Dröge &lt;sebastian.droege@collabora.co.uk&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, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000 }, channels=(int)1; audio/x-raw, format=(string)S16LE, layout=(string)interleaved, rate=(int){ 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000 }, channels=(int)2, channel-mask=(bitmask)0x0000000000000003</details>
        </caps>
        <caps>
          <name>src</name>
          <direction>source</direction>
          <presence>always</presence>
          <details>audio/mpeg, mpegversion=(int)1, layer=(int)3, rate=(int){ 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000 }, channels=(int)[ 1, 2 ]</details>
        </caps>
      </pads>
    </element>
  </elements>
</plugin>