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

<plugin>
  <name>soup</name>
  <description>libsoup HTTP client src/sink</description>
  <filename>../../ext/soup/.libs/libgstsoup.so</filename>
  <basename>libgstsoup.so</basename>
  <version>1.15.2</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>souphttpclientsink</name>
      <longname>HTTP client sink</longname>
      <class>Generic</class>
      <description>Sends streams to HTTP server via PUT</description>
      <author>David Schleef &lt;ds@entropywave.com&gt;</author>
      <pads>
        <caps>
          <name>sink</name>
          <direction>sink</direction>
          <presence>always</presence>
          <details>ANY</details>
        </caps>
      </pads>
    </element>
    <element>
      <name>souphttpsrc</name>
      <longname>HTTP client source</longname>
      <class>Source/Network</class>
      <description>Receive data as a client over the network via HTTP using SOUP</description>
      <author>Wouter Cloetens &lt;wouter@mind.be&gt;</author>
      <pads>
        <caps>
          <name>src</name>
          <direction>source</direction>
          <presence>always</presence>
          <details>ANY</details>
        </caps>
      </pads>
    </element>
  </elements>
</plugin>