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

<plugin>
  <name>rtpmux</name>
  <description>RTP Muxer plugins</description>
  <filename>../../gst/rtpmux/.libs/libgstrtpmux.so</filename>
  <basename>libgstrtpmux.so</basename>
  <version>0.10.13.1</version>
  <license>LGPL</license>
  <source>gst-plugins-bad</source>
  <package>GStreamer Bad Plug-ins git/prerelease</package>
  <origin>http://gstreamer.freedesktop.org</origin>
  <elements>
    <element>
      <name>rtpdtmfmux</name>
      <longname>RTP muxer</longname>
      <class>Codec/Muxer</class>
      <description>mixes RTP DTMF streams into other RTP streams</description>
      <author>Zeeshan Ali &lt;first.last@nokia.com&gt;</author>
      <pads>
        <caps>
          <name>sink_%d</name>
          <direction>sink</direction>
          <presence>request</presence>
          <details>application/x-rtp</details>
        </caps>
        <caps>
          <name>src</name>
          <direction>source</direction>
          <presence>always</presence>
          <details>application/x-rtp</details>
        </caps>
      </pads>
    </element>
    <element>
      <name>rtpmux</name>
      <longname>RTP muxer</longname>
      <class>Codec/Muxer</class>
      <description>multiplex N rtp streams into one</description>
      <author>Zeeshan Ali &lt;first.last@nokia.com&gt;</author>
      <pads>
        <caps>
          <name>sink_%d</name>
          <direction>sink</direction>
          <presence>request</presence>
          <details>application/x-rtp</details>
        </caps>
        <caps>
          <name>src</name>
          <direction>source</direction>
          <presence>always</presence>
          <details>application/x-rtp</details>
        </caps>
      </pads>
    </element>
  </elements>
</plugin>