RATE=15/1

gst-launch-1.0 -vme \
	videomixer name=mix \
		sink_0::xpos=0 sink_0::ypos=0 \
		sink_1::xpos=320 sink_1::ypos=0 \
		sink_2::xpos=0 sink_2::ypos=200 \
		sink_3::xpos=320 sink_3::ypos=200 \
		sink_4::xpos=100 sink_4::ypos=100 sink_4::alpha=0.5 \
	! video/x-raw, width=640, height=400, framerate=$RATE ! videoconvert ! queue min-threshold-time=50000000 ! ximagesink \
	videotestsrc is-live=true ! videoscale ! video/x-raw, framerate=5/1, width=320, height=200 ! videorate ! video/x-raw, framerate=$RATE ! mix. \
	rtspsrc latency=0 location=rtsp://192.168.200.76/axis-media/media.amp ! decodebin ! videoscale ! videorate ! video/x-raw, width=320, height=200, framerate=$RATE ! mix. \
	videotestsrc is-live=true pattern=21 ! videoscale ! videorate ! video/x-raw, width=320, height=200, framerate=$RATE ! timeoverlay ! mix. \
	videotestsrc is-live=true pattern=22 ! videoscale ! videorate ! video/x-raw, width=320, height=200, framerate=$RATE ! clockoverlay ! mix.