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|
#!/bin/sh
#
# This script changes the pulseaudio sink for the currently focused application
#
# If it is run with $1 = global the default sink will be switched instead
set -eo pipefail
rofi() {
# exec rofi -dmenu -p pactl -l 5 -i "$@"
exec wofi --dmenu -k /dev/null --prompt pactl "$@"
}
bail() {
exec echo "$@" | wofi -p pactrl-error
exit 1
}
list_sinks() {
pacmd list-sinks | tr '\n' '\r' | perl -pe 's/[^\r]*index: ([0-9]+).+?name: <([^\r]+)>.+?device.description = "([^\r]+)"\r.+?(?=index:|$)/\1: \3 \t<\2>\r/g' | tr '\r' '\n' | tail -n +2
}
parse_sink() {
perl -pe 's/.*<([^\r]+)>/\1/g'
}
# usage: move_sink_inputs_to <target-sink> <sink-input-ids>
move_sink_inputs_to() {
target_sink_id="${1}"
shift
for sink_input_id in "${@}"; do
# notify-send "pactl-debug" "pacmd move-sink-input ${sink_input_id} ${target_sink_id}"
pacmd move-sink-input ${sink_input_id} ${target_sink_id}
done
}
list_active_sink_input_ids() {
pacmd list-sink-inputs | tr '\n' '\r' | perl -pe 's/[^\r]*index: ([0-9]+).+?application\.process\.binary = "([^\r]+)"\r.+?(?=index:|$)/\2: \1\r/g' | tr '\r' '\n' | tail -n +2
}
parse_active_sink_input_id() {
perl -pe 's/.*:([^\r]+)/\1/g'
}
list_cards() {
pacmd list-cards | tr '\n' '\r' | perl -pe 's/[^\r]*index: ([0-9]+).+?device.description = \"([^\r]+)\".+?active.profile: <([^\r]+)>.+?(?=index|$)/\1: \2\tProfile: <\3>\r/g' | tr '\r' '\n' | tail -n +2
}
list_card_profiles() {
idx="${1}"
pacmd list-cards | tr '\n' '\r' | perl -pe "s/.+index: $idx\\r.+?[^\\r]*profiles:\\r(.+?)[^\\r]*active.+?$/\\1/g;" -e 's/\t\t//g;' -e 's/\([^\r]+\)\r/\r/g;' -e 's/([^\r]+):[\s]+([^\r]+)[\s]+(\r|$)/\2 <\1>\r/g;' | tr '\r' '\n' | tail -n +2
}
parse_profile() {
perl -pe 's/^.+<(.+)>$/\1/g'
}
get_focused_command() {
focused_pid=`swaymsg -t get_tree | jq '.. | select(.focused? == true) | .pid'`
ps -o comm= $focused_pid
}
# switch default global sink
_default() {
target_sink=`echo "${sel}" | parse_sink`
pacmd set-default-sink $target_sink
notify-send --expire-time=2000 "New default sink" "<b>${target_sink}</b>"
move_sink_inputs_to $target_sink `pactl list sink-inputs short | cut -f 1 | tr '\n' ' '`
}
# switch output sink of focused application
_focused() {
focused_app=`get_focused_command`
focused_app_input_sink_id=`list_active_sink_input_ids | grep "${focused_app}" | parse_active_sink_input_id`
target_sink=`list_sinks | rofi | parse_sink`
notify-send --expire-time=2000 "Switch sink" "Switch <b>${focused_app}</b> to <i>${target_sink}</i>"
move_sink_inputs_to "${target_sink}" "${focused_app_input_sink_id}"
}
# switch output sink of application
_app() {
ret=`list_active_sink_input_ids | rofi`
focused_app_input_sink_id=`echo $ret | parse_active_sink_input_id`
focused_app=`echo $ret | perl -pe 's/^(.+):.+$/\1/g'`
target_sink=`list_sinks | rofi | parse_sink`
notify-send --expire-time=2000 "Switch sink" "Switch <b>${focused_app}</b> to <i>${target_sink}</i>"
move_sink_inputs_to "${target_sink}" "${focused_app_input_sink_id}"
}
_switch_profile() {
card=`list_cards | rofi`
card_id=`echo $card | perl -pe 's/([0-9]+):.+$/\1/g'`
card_name=`echo $card | perl -pe 's/^.+: (.+?)[\s]+Profile.+$/\1/g'`
new_profile=`list_card_profiles $card_id | rofi | parse_profile`
notify-send -t 2000 "Change card profile" "Switch <b>$card_name</b> to <i>$new_profile</i>"
# notify-send "pactl-debug" "pacmd set-card-profile $card_id $new_profile"
pacmd set-card-profile $card_id $new_profile
}
ACTIONS=(
"Switch profile"
"Change app output sink"
)
list_actions() {
for a in "${ACTIONS[@]}"; do echo "$a"; done
}
_global() {
sel=`{ list_sinks; echo ; list_actions; } | rofi`
if [[ -z $sel ]]; then
return
fi
case "${sel}" in
${ACTIONS[0]})
_switch_profile
;;
${ACTIONS[1]})
_app
;;
*)
_default
;;
esac
}
case "${1}" in
global)
_global
;;
*)
_focused
;;
esac
|
