CmdID / Commands
gst-launch-1.0-videotestsrc
Produce test video data. tldr-pages
On several platforms
Produce a video with SMPTE color bars
gst-launch-1.0 videotestsrc ! autovideosinkIdentify
Define what type of test video to produce
gst-launch-1.0 videotestsrc pattern=smpte ! autovideosinkIdentify