jackd sample upstart script

# jackd - jackd upstart script

#Upstart Config for jackd
description "Starts jackd as the specified user"
author "Wayne Merricks <waynemerricks@thevoiceasia.com>"
env USER=radio #Change me to the user you want to use

#JACK settings change as required
env JACKDRIVER="alsa"
env JACKDEVICE="hw:1"
env JACKRATE=44100
env JACKPORTMAX=512
env JACKPERIOD=512
env JACKNPERIOD=2

# When to start the service
start on (net-device-up and local-filesystems)

# When to stop the service
stop on runlevel [016]

# Automatically restart process if crashed
respawn

# Start the process
# NOTE: Jack refuses to start in realtime mode if you use upstart.  I don't know why
script
  exec start-stop-daemon --start --chuid $USER --exec /usr/bin/jackd -- -p$JACKPORTMAX --no-realtime -d$JACKDRIVER -d$JACKDEVICE -r$JACKRATE -p$JACKPERIOD -n$JACKNPERIOD
end script