#!/bin/bash

sleep 1
slop=$(slop -f "%x %y %w %h %g %i") || exit 1
read -r X Y W H G ID <<< $slop
sleep 2; ffmpeg -f x11grab -video_size "$W"x"$H" -i :0.0+$X,$Y -f alsa -i default ~/videos/rec`date +%s`.mp4