TMPBG=/tmp/screen.png LOCK=/home/balbooaaa/Documents/Pictures/lockscreen/lock2.png RES=$(xrandr | grep '*' | sed -E "s/[^0-9]*([0-9]+)x([0-9]+).*/\1*\2/") ffmpeg -f x11grab -video_size $RES -y -i $DISPLAY -i $LOCK -filter_complex "boxblur=5:1,overlay=(main_w-overlay_w)/2:(main_h-overlay_h)/2" -vframes 1 $TMPBG -loglevel quiet i3lock -i $TMPBG rm $TMPBG