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

<plugin>
  <name>hls</name>
  <description>HTTP Live Streaming (HLS)</description>
  <filename>../../ext/hls/.libs/libgsthls.so</filename>
  <basename>libgsthls.so</basename>
  <version>1.15.1</version>
  <license>LGPL</license>
  <source>gst-plugins-bad</source>
  <package>GStreamer Bad Plug-ins</package>
  <origin>Unknown package origin</origin>
  <elements>
    <element>
      <name>hlsdemux</name>
      <longname>HLS Demuxer</longname>
      <class>Codec/Demuxer/Adaptive</class>
      <description>HTTP Live Streaming demuxer</description>
      <author>Marc-Andre Lureau &lt;marcandre.lureau@gmail.com&gt;
Andoni Morales Alastruey &lt;ylatuya@gmail.com&gt;</author>
      <pads>
        <caps>
          <name>sink</name>
          <direction>sink</direction>
          <presence>always</presence>
          <details>application/x-hls</details>
        </caps>
        <caps>
          <name>src_%u</name>
          <direction>source</direction>
          <presence>sometimes</presence>
          <details>ANY</details>
        </caps>
      </pads>
    </element>
    <element>
      <name>hlssink</name>
      <longname>HTTP Live Streaming sink</longname>
      <class>Sink</class>
      <description>HTTP Live Streaming sink</description>
      <author>Alessandro Decina &lt;alessandro.d@gmail.com&gt;</author>
      <pads>
        <caps>
          <name>sink</name>
          <direction>sink</direction>
          <presence>always</presence>
          <details>ANY</details>
        </caps>
      </pads>
    </element>
    <element>
      <name>hlssink2</name>
      <longname>HTTP Live Streaming sink</longname>
      <class>Sink</class>
      <description>HTTP Live Streaming sink</description>
      <author>Alessandro Decina &lt;alessandro.d@gmail.com&gt;, Sebastian Dröge &lt;sebastian@centricular.com&gt;</author>
      <pads>
        <caps>
          <name>audio</name>
          <direction>sink</direction>
          <presence>request</presence>
          <details>ANY</details>
        </caps>
        <caps>
          <name>video</name>
          <direction>sink</direction>
          <presence>request</presence>
          <details>ANY</details>
        </caps>
      </pads>
    </element>
  </elements>
</plugin>