freebsd-devd-pulseaudio

pulseaudio-pcm.sh

#!/bin/sh
# /usr/local/bin/pulseaudio-pcm

set -x

/usr/bin/logger "$0 $*"
action=$1
case $action in
attach)
	pcm=$2 dsp=dsp${2#pcm} uaudio=$3
	/usr/local/bin/sudo -u romain /usr/local/bin/pacmd load-module module-oss device=/dev/$dsp
	ugen=$(devinfo -v | awk '$1 == "'$uaudio'" { split($NF, r, "="); print r[2] }')
	echo $dsp > /tmp/uaudio-$ugen
	;;
detach)
	ugen=$2
	if [ -f "/tmp/uaudio-$ugen" ]; then
		dsp=$(cat /tmp/uaudio-$ugen)
		i=$(/usr/local/bin/sudo -u romain /usr/local/bin/pacmd list-modules | /usr/bin/awk '$1 == "index:" { last_index = $2 } $1 == "argument:" && $2 == "<device=/dev/'$dsp'>" { i = last_index } END { print i }')
		/usr/local/bin/sudo -u romain /usr/local/bin/pacmd unload-module $i && rm -f "/tmp/uaudio-$ugen"
	fi
	;;
esac

uaudio.conf

# /usr/local/etc/devd/uaudio.conf

attach 10 {
  device-name "pcm[0-9]+";
  action "/usr/local/bin/pulseaudio-pcm attach $device-name $bus";
};

notify 10 {
  match "system"    "USB";
  match "subsystem" "DEVICE";
  match "type"      "DETACH";
  match "ugen"      "ugen[0-9]+.[0-9]+";
  action "/usr/local/bin/pulseaudio-pcm detach $ugen";
};