dotwryn/bin/pulseaudio

#!/bin/zsh
source $HOME/.config/wryn/env.zsh
#####################################################################

USAGE="$0 (sink|source) (up|down|mute)"

function ERROR() {
	local ERROR_CODE=$1
	local MESSAGE="$2"

	echo -e "$MESSAGE\n\nUSAGE : $USAGE\n" >&2

	exit $ERROR_CODE
}

#####################################################################

DEVICE="$1"
COMMAND="$2"

case $DEVICE in
	sink   ) AMIXER_DEVICE=Master  ;;
	source ) AMIXER_DEVICE=Capture ;;
	* ) ERROR 1 "Unsupported device '$DEVICE'" ;;
esac

DEFAULT_DEVICE="@DEFAULT_$(echo $DEVICE | tr '[:lower:]' '[:upper:]')@"
case $COMMAND in
	up )
		pactl set-$DEVICE-volume $DEFAULT_DEVICE +10%
		$DOTWRYN/bin/play-sound volume
		;;
	down )
		pactl set-$DEVICE-volume $DEFAULT_DEVICE -10%
		$DOTWRYN/bin/play-sound volume
		;;
	mute )
		pactl set-$DEVICE-mute $DEFAULT_DEVICE toggle
		$DOTWRYN/bin/play-sound mute
		notify-send "default $DEVICE" "$(amixer sget $AMIXER_DEVICE | grep -q '\[on\]' && echo unmuted || echo muted)"
		;;
	* ) ERROR "Unsupported command '$COMMAND'" ;;
esac