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#!/usr/bin/env bash
set -euo pipefail
state_muted="/tmp/$(whoami)/state_muted"
state_muted_headphone=""
state_muted_speaker=""
state_bt_headphone=""
name_bt_headphone="bluez_sink.00_1B_66_02_36_41"
cardselector=""
card_icon="/usr/share/icons/gnome/48x48/devices/audio-speakers.png" # gnome-icon-theme
function increase_volume()
{
amixer $cardselector sset Master 5%+ &>/dev/null
local state_master=$(amixer $cardselector sget Master |grep "%" | cut -d'%' -f1 | cut -d '[' -f2 | uniq)
#update pactl bluetooth audio to same level if present
if [ "$state_bt_headphone" = "[on]" ]; then
pactl set-sink-volume $name_bt_headphone "$state_master%"
fi
print_volumes $state_master
}
function decrease_volume()
{
amixer $cardselector sset Master 5%- &>/dev/null
local state_master=$(amixer $cardselector sget Master |grep "%" | cut -d'%' -f1 | cut -d '[' -f2 | uniq)
#update pactl bluetooth audio to same level if present
if [ "$state_bt_headphone" = "[on]" ];then
pactl set-sink-volume $name_bt_headphone "$state_master%"
fi
print_volumes $state_master
}
function print_volumes()
{
local state_master=$1
local state_headphone=$(amixer $cardselector sget Headphone |grep "%" | cut -d'%' -f1 | cut -d '[' -f2 | uniq)
local state_speaker=$(amixer $cardselector sget Speaker |grep "%" | cut -d'%' -f1 | cut -d '[' -f2 | uniq)
if [ "$state_bt_headphone" = "[on]" ]; then
send_notify "Master: $state_master% Headphone: $state_headphone% Speaker: $state_speaker% BT Headphone: $state_master%"
else
send_notify "Master: $state_master% Headphone: $state_headphone% Speaker: $state_speaker%"
fi
}
function toggle_volume()
{
local state_master=$(amixer $cardselector sget Master | grep -o '\[o[n|f]*\]' | head -n 1)
local state_headphone=$(amixer $cardselector sget Headphone | grep -o '\[o[n|f]*\]' | head -n 1)
local state_speaker=$(amixer $cardselector sget Speaker | grep -o '\[o[n|f]*\]' | head -n 1)
case "$state_master" in
"[on]")
amixer $cardselector sset Master mute &>/dev/null
state_master="[off]"
# if headphones are off already, don't mute, instead save state to tmp file
if [ "$state_headphone" = "[off]" ];then
echo "headphone [off]" >> "$state_muted"
else
amixer $cardselector sset Headphone mute &>/dev/null
state_headphone="[off]"
fi
# if speakers are off already, don't mute, instead save state to tmp file
if [ "$state_speaker" = "[off]" ];then
echo "speaker [off]" >> "$state_muted"
else
amixer $cardselector sset Speaker mute &>/dev/null
state_speaker="[off]"
fi
# if present, also mute bluetooth headphone
if [ "$state_bt_headphone" = "[on]" ]; then
pactl set-sink-mute $name_bt_headphone 1
fi
;;
"[off]")
amixer $cardselector sset Master unmute &>/dev/null
state_master="[on]"
# if headphones are meant to be off, don't unmute them again
if [ "$state_muted_headphone" != "[off]" ];then
amixer $cardselector sset Headphone unmute &>/dev/null
state_headphone="[on]"
fi
# if headphones are meant to be off, don't unmute them again
if [ "$state_muted_speaker" != "[off]" ];then
amixer $cardselector sset Speaker unmute &>/dev/null
state_speaker="[on]"
fi
# if present, also unmute bluetooth headphone
if [ "$state_bt_headphone" = "[on]" ]; then
pactl set-sink-mute $name_bt_headphone 0
fi
;;
esac
if [ "$state_bt_headphone" = "[on]" ]; then
send_notify "Master: $state_master Headphone: $state_headphone Speaker: $state_speaker BT Headphone: $state_master" 2000
else
send_notify "Master: $state_master Headphone: $state_headphone Speaker: $state_speaker" 2000
fi
}
function send_notify()
{
# allow timeout to be set by 2nd argument
local timeout=1000
# if [ $2 -gt 0 ]; then
# timeout=$2
# fi
notify-send -t $timeout \
-i /usr/share/icons/gnome/48x48/devices/audio-speakers.png \
"Volume" "$1"
}
if [ $HOSTNAME = "dvzrv" ];then
cardselector=" -M -c 1 "
if [ -n "$(pactl list sinks short | grep $name_bt_headphone)" ]; then
state_bt_headphone="[on]"
fi
#TODO: also check pactl for JACK sink
fi
case "$1" in
"increase" | "up" | "+" )
increase_volume
;;
"decrease" | "down" | "-" )
decrease_volume
;;
"toggle")
if [ -f "$state_muted" ]; then
set +e
state_muted_speaker="$(cat "$state_muted" | grep speaker | cut -d' ' -f2)"
state_muted_headphone="$(cat "$state_muted" | grep headphone | cut -d' ' -f2)"
set -e
rm "$state_muted"
else
touch "$state_muted"
fi
toggle_volume
;;
*)
;;
esac
exit 0
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