rpaw

#!/usr/bin/env bash
#
# ^ Normally I hate writing a bash script and not a vanilla /bin/sh but 
# since this is for the RPi I think it's a reasonable assumption that bash
# is available.

killprocs ()
{
	logger -i rpaw "Killing existing RPAW processes"
	killall -q omxplayer omxplayer.bin rpaw-wrapper
}

if [ "$1" == "stop" ]
then
	killprocs
	exit 0
fi

if [ ! -r /dev/vchiq ]
then
	echo "Unable to read /dev/vchiq, possible permissions issue."
	exit 1
fi

for f in /usr/local/etc/rpaw.conf /etc/rpaw.conf ./rpaw.conf
do
	if [ -f $f ]
	then
	    source $f
	fi
done

killprocs

sleep 2

for i in {1..16}
do
	varname=CAMERA$i
	params=${!varname}
	if [ "$params" != "" ]
	then
		logger -i rpaw "Launching camera $i with $params"
		eval nohup /usr/sbin/rpaw-wrapper $params &
	fi
done