volume

#!/bin/sh
# vim: ts=4 sts=4 sw=4 et

get_sink() {
    echo -e "$STATE" | grep set-default-sink | cut -d " " -f 2
}

up() {
	pactl set-sink-mute ${SINK} false
	pactl set-sink-volume ${SINK} +${STEP}
	notify_volume
}

down() {
	pactl set-sink-mute ${SINK} false
	pactl set-sink-volume ${SINK} -${STEP}
	notify_volume
}

mute() {
    IS_MUTED=$(echo -e "$STATE" | grep set-sink-mute | cut -f 3 -d ' ')
	case $IS_MUTED in
		yes)
			pactl set-sink-mute ${SINK} false
			notify-send mute unmuted
			;;

		no)
			pactl set-sink-mute ${SINK} true
			notify-send mute muted
			;;
	esac
}

notify_volume() {
	volume_hex=$(echo -e "$STATE" | grep "set-sink-volume ${SINK}" | cut -f3 -d' ')
	volume=$((16#${volume_hex#0x}))
	notify-send -u low "volume" "$((100 * volume / 65536))%"
}

STATE=$(pacmd dump)
SINK=$(echo -e "$STATE" | grep set-default-sink | cut -d " " -f 2)

STEP=10%

case $1 in
	u|up) up ;;
	d|down) down ;;
	m|mute) mute ;;
	*) echo "$0 usage: u[p]|d[own]|m[ute]"
esac