#!/bin/bash
while :; do
yad --title="Screen Recorder" --button="Start" --button="Stop" --borders=30
value=$?
case $value in
0)
	ffmpeg -video_size 1920x1080 -framerate 60 -f x11grab -i :0.0 -preset ultrafast ~/Videos/output-$(date +%s%N | cut -b1-13).mkv -y &
	pid=$!
;;
1)
	if [[ ! -z "$pid" ]]; then
		kill -2 $pid
	fi
;;
252)
	kill=1
	break
;;
esac
done