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|
#!/usr/bin/env sh
pid_file="/tmp/automutepid"
pid_exists() {
test -r "$pid_file"
}
is_running() {
if pid_exists; then
ps "$(cat "$pid_file")" >/dev/null 2>&1 || return 1
else
return 1
fi
}
mute() {
pw-cli set-param "$1" Props '{mute: true}'
}
unmute() {
pw-cli set-param "$1" Props '{mute: false}'
}
pid2index() {
pw-dump | jq --argjson targetid "$1" 'map(select(.info.props."application.process.id" == $targetid and .info.params.PropInfo != null)) | .[].id'
}
list_sink_input_ids() {
pw-dump | jq 'map(select(.info.params.PropInfo != null and .info.params.PropInfo[].id=="mute" and .info.props."application.process.id" != null)) | .[].id'
}
unmute_all() {
for i in $(list_sink_input_ids); do
unmute "$i"
done
exit
}
trap unmute_all INT TERM
mute_all() {
for i in $(list_sink_input_ids); do
mute "$i"
done
}
do_automute() {
while :; do
focus_pid="$(xdotool getwindowfocus getwindowpid)"
if [ "$focus_pid" ] && [ "$unfocus_pid" != "$focus_pid" ]; then
focus_index=$(pid2index "$focus_pid")
if [ "$unfocus_pid" ]; then
unfocus_index=$(pid2index "$unfocus_pid")
fi
if [ "$focus_index" ]; then
if [ "$unfocus_index" ]; then
mute "$unfocus_index"
else
mute_all
fi
unmute "$focus_index"
unfocus_pid="$focus_pid"
fi
fi
sleep 0.25
done
}
start() {
do_automute &
echo "$!" >"$pid_file"
notify-send "Automute started!"
}
stop() {
pid_exists || exit 1
pid="$(cat "$pid_file")"
# kill with SIGTERM, allowing finishing touches.
kill "$pid"
# even after SIGTERM, ffmpeg may still run, so SIGKILL it.
sleep 3
is_running && kill -9 "$pid"
rm -f "$pid_file"
notify-send "Automute stopped!"
}
toggle() {
if is_running; then
echo "Stopping automute"
stop
else
echo "Starting automute"
start
fi
echo
status
}
status() {
if is_running; then
echo "Automuting is running with PID $(cat "$pid_file")"
else
echo "Automute inactive"
fi
}
case "$1" in
start)
start
;;
stop)
stop
;;
toggle)
toggle
;;
status)
status
;;
*)
toggle
;;
esac
|
