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

<plugin>
  <name>webp</name>
  <description>WebP plugin</description>
  <filename>../../ext/webp/.libs/libgstwebp.so</filename>
  <basename>libgstwebp.so</basename>
  <version>1.15.0.1</version>
  <license>LGPL</license>
  <source>gst-plugins-bad</source>
  <package>GStreamer Bad Plug-ins git</package>
  <origin>Unknown package origin</origin>
  <elements>
    <element>
      <name>webpdec</name>
      <longname>WebP image decoder</longname>
      <class>Codec/Decoder/Image</class>
      <description>Decode images from WebP format</description>
      <author>Sreerenj Balachandran &lt;sreerenj.balachandrn@intel.com&gt;</author>
      <pads>
        <caps>
          <name>sink</name>
          <direction>sink</direction>
          <presence>always</presence>
          <details>image/webp</details>
        </caps>
        <caps>
          <name>src</name>
          <direction>source</direction>
          <presence>always</presence>
          <details>video/x-raw, format=(string){ RGB, RGBA, BGR, BGRA, ARGB, RGB16 }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</details>
        </caps>
      </pads>
    </element>
    <element>
      <name>webpenc</name>
      <longname>WEBP image encoder</longname>
      <class>Codec/Encoder/Image</class>
      <description>Encode images in WEBP format</description>
      <author>Sreerenj Balachandran &lt;sreerenjb@gnome.org&gt;</author>
      <pads>
        <caps>
          <name>sink</name>
          <direction>sink</direction>
          <presence>always</presence>
          <details>video/x-raw, format=(string){ I420, YV12, RGB, RGBA }, width=(int)[ 1, 2147483647 ], height=(int)[ 1, 2147483647 ], framerate=(fraction)[ 0/1, 2147483647/1 ]</details>
        </caps>
        <caps>
          <name>src</name>
          <direction>source</direction>
          <presence>always</presence>
          <details>image/webp, framerate=(fraction)[ 0/1, 2147483647/1 ], width=(int)[ 16, 16383 ], height=(int)[ 16, 16383 ]</details>
        </caps>
      </pads>
    </element>
  </elements>
</plugin>