File:GstPipDefault.png

A 200x150 pixels snow test pattern over a 640x360 pixels SMPTE pattern generated by Gstreamer using the pipeline:

gst-launch -e videotestsrc pattern="snow" ! video/x-raw-yuv, framerate=10/1, width=200, height=150 ! videomixer name=mix ! \   ffmpegcolorspace ! xvimagesink videotestsrc ! video/x-raw-yuv, framerate=10/1, width=640, height=360 ! mix.