xvimagesink

The plug-in xvimagesink is used as the video sink to receive video and display, which is implemented by the X11 interface.

The following code block provides an example.
gst-launch-1.0 videotestsrc ! xvimagesink

The plug-in is part of the standard GStreamer plug-in tools, see GStreamer Official Documentation on Plug-in for more information on how to use the plug-in.