diff options
| -rw-r--r-- | PKGBUILD | 2 | ||||
| -rw-r--r-- | README.md | 14 | ||||
| -rwxr-xr-x | swob.sh | 98 |
3 files changed, 99 insertions, 15 deletions
@@ -4,6 +4,8 @@ pkgrel=1 pkgdesc='Volume and brightness controls for wayland, using wob' arch=(any) # limited only by dependencies depends=(sh coreutils sed wob alsa-utils brightnessctl) +optdepends=( 'wireplumber: wpctl, for pipewire support' + 'libpulse: pactl, for pulseaudio support' ) url='https://git.sr.ht/~remph/swob' license=(GPL-3.0-or-later) provides=(swob) @@ -21,10 +21,20 @@ binary unnecessarily with every tap. Dependencies ------------ -- POSIX sh, sed and mkfifo(1); non-POSIX mktemp(1) (all pretty universally available) +- POSIX sh, sed and mkfifo(1); non-POSIX mktemp(1) (all pretty universally + available) - [wob] -- [amixer (from alsa-utils)](https://www.alsa-project.org) - [brightnessctl](https://github.com/Hummer12007/brightnessctl) +- For volume, at least one of: + - amixer, for [ALSA](https://www.alsa-project.org) + - [wireplumber and wpctl](https://pipewire.pages.freedesktop.org/wireplumber) + for pipewire + - pactl for [PulseAudio](https://www.freedesktop.org/wiki/Software/PulseAudio) + - As with anything pertaining to Poettering, pactl doesn't play nice, + so the pactl backend is the slowest of the three: requires three calls + to pactl and two to sed, compared with two calls to wpctl and one to + amixer (each with only one call to sed). It is generally recommended to + use one of the other two wherever possible Installation ------------ @@ -51,10 +51,74 @@ start_wob() { } & } -do_cmd_get_percent() { - case $1 in - volume|vol) - amixer sset Master "$2" | sed -E ' +glob_match() { + # MUST be called with set +f + test $# -gt 1 -o -e "$1" +} + +select_audio() { + # could guess at /run/user/`id -u`, but let's not jump the gun here + sound_sys=$1 rundir=${2:-$XDG_RUNTIME_DIR} tool=$3 + test -n "$rundir" && + glob_match "$rundir/$sound_sys"* && + command -v "$tool" >/dev/null 2>&1 && + SWOB_AUDIO=$sound_sys +} + +get_audio_type() { + # MUST be called with set +fu + + case $SWOB_AUDIO in + pipewire|pulse|alsa) return ;; + '') ;; + *) echo >&2 "$0: warning: unrecognised SWOB_AUDIO: $SWOB_AUDIO" ;; + esac + + select_audio pipewire "$PIPEWIRE_RUNTIME_DIR" wpctl && return + select_audio pulse "$PULSE_RUNTIME_PATH" pactl && return + SWOB_AUDIO=alsa # default to ALSA +} + +set_vol() { + set +fu + get_audio_type + set -fu + + case $SWOB_AUDIO in + pipewire) + case $1 in + toggle) to_set=mute ;; + *) to_set='volume -l 1.0' ;; + esac + wpctl set-$to_set @DEFAULT_AUDIO_SINK@ "$1" + wpctl get-volume @DEFAULT_AUDIO_SINK@ | sed -E \ + -e 's/^Volume: ([0-9]+)\.([0-9][0-9])/\1\2/' \ + -e 's/\[MUTED\]/mute/' + ;; + + pulse) + case $1 in + toggle) to_set=mute ;; + *) to_set=volume ;; + esac + pactl set-sink-$to_set @DEFAULT_SINK@ "$(echo "$1" | sed -E 's/(.*)([+-])$/\2\1/')" + percent=`pactl get-sink-volume @DEFAULT_SINK@ | sed -En 's/.* ([0-9]+)%.*/\1/p'` + mute_cmd='pactl get-sink-mute @DEFAULT_SINK@' + mute_out=`$mute_cmd` + case $mute_out in + 'Mute: yes') muted=1 ;; + 'Mute: no') muted= ;; + *) echo >&2 "$0: warning: bad output from $mute_cmd: $mute_out" ;; + esac + echo "$percent ${muted:+mute}" + ;; + + *) + if test "$SWOB_AUDIO" != alsa; then + echo >&2 "$0: WARNING: internal inconsistency! SWOB_AUDIO: \`$SWOB_AUDIO'" + fi + + amixer sset Master "$1" | sed -E ' # Extract percentage, keep original line for later h s/.*\[([0-9]+)%\].*/\1/ @@ -72,15 +136,23 @@ x } # else g -s/$/ volume/ -' ;; - brightness|brt) - brightnessctl -m set "$2" | sed -En 's/(.*[^0-9])?([0-9]+)%.*/\2 brightness/p' - ;; - *) - echo >&2 "$0: error: unrecognised argument: $target" - exit -1 - ;; +s/$/ volume/' + ;; + esac +} + +do_cmd_get_percent() { + case $1 in + volume|vol) + set_vol "$2" + ;; + brightness|brt) + brightnessctl -m set "$2" | sed -En 's/(.*[^0-9])?([0-9]+)%.*/\2 brightness/p' + ;; + *) + echo >&2 "$0: error: unrecognised argument: $target" + exit -1 + ;; esac } |