Quick chrome audio control: "[" -15%; "]" +15%

chrome_keys.sh

#!/usr/bin/env bash

xinput test-xi2 --root 3 | \
	gawk '/RawKeyRelease/ {getline; getline; print $2; fflush()}' | \
	while read -r key
do
	[[ "$key" -ne 34 && "$key" -ne 35 ]] && continue
	
	VOL="+15%"
	[[ "$key" -eq 34 ]] && VOL="-15%"
	echo "$VOL"
	
	chrome_ids="$(pactl list short | grep chrome | awk '{print $1}')"
	sinks="$(pactl list sink-inputs short)"
	for id in $chrome_ids
	do
		chrome_id="$(echo "$sinks" | grep "$id" | awk '{print $1}')"
		[[ -z "$chrome_id" ]] && continue
		pactl set-sink-input-volume "$chrome_id" "$VOL"
	done
done