#!/bin/sh
BURNIN_DEVICE=default
RUNFOR=100

echo "Burn-in started at `date`."
echo "Burning in for $RUNFOR hours, press Ctrl+C to abort."
echo "Playing pink noise on ALSA device $BURNIN_DEVICE."

function calcruntime {
	endtime=`date +%s`
        duration=$(($endtime - $starttime))
        timerunh=$(( $duration / 60 / 60 ))
        timerunm=$(( ($duration / 60) - ($timerunh * 60) ))
        timeruns=$(( ($duration) - ($timerunh * 60 * 60) - ($timerunm * 60) ))
}

function exitburnin {
        killall speaker-test
	calcruntime
        echo "Process terminated at `date` after $timerunh hours, $timerunm minutes and $timeruns seconds."
        exit
}

trap "exitburnin" SIGINT SIGTERM
starttime=`date +%s`
i=1
while (( i = 1 )); do

exec speaker-test -D $BURNIN_DEVICE -c1 &> /dev/null &

sleep 2h
killall speaker-test
calcruntime
if [ $timerunh == $RUNFOR ]; then exitburnin; fi
echo "Completed 120 minute cycle, resting for 30 minutes."
sleep 30m
echo "Continuing burn-in."

done