sunxi-pio -m "PG11<1><0><1><1>"
modprobe gc2035
modprobe vfe_v4l2
sleep 5
modprobe v4l2loopback devices=2
/root/vidcopy/vidcopy -w 640 -h 480 -r 30 -i /dev/video0 -o /dev/video1 -f UYVY
sleep 5
/root/vidcopy/vidcopy -w 640 -h 480 -r 30 -i /dev/video1 -o /dev/video2 -f UYVY
exit 0