no element "webrtcsink"
Hi. When I run "gst-launch-1.0 webrtcsink name=ws meta="meta,name=gst-stream" videotestsrc ! ws. audiotestsrc ! ws." command from webrtc's README, I get the following warning and nothing happen when I run this command.
WARNING: erroneous pipeline: no element "webrtcsink"
I would be thankful if you could help me.