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115 lines
3.1 KiB
Bash
Executable file
115 lines
3.1 KiB
Bash
Executable file
#!/bin/bash
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# Define some icons
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SPEAKER_ICONS=("" "" "")
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SPEAKER_MUTED_ICON=""
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MIC_ICON=""
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MIC_MUTED_ICON=""
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# Define some helper functions for getting/setting audio data using wireplumber (wpctl)
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# $1 can either be "SINK" (speaker) or "SOURCE" (microphone)
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get_vol() {
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wpctl get-volume "@DEFAULT_AUDIO_${1}@" | awk '{print int($2*100)}'
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}
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# $1 can either be "SINK" (speaker) or "SOURCE" (microphone)
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# #2 is the voulme (as percentage) to set the volume to
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# $3 is optional, if set, it can be '+' or '-', which then adds/decreases volume, instead of setting
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set_vol() {
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wpctl set-volume "@DEFAULT_AUDIO_${1}@" "$(awk -v n="$2" 'BEGIN{print (n / 100)}')$3"
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}
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# $1 can either be "SINK" (speaker) or "SOURCE" (microphone)
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check_mute() {
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wpctl get-volume "@DEFAULT_AUDIO_${1}@" | grep -i muted >/dev/null
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echo $?
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}
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# $1 can either be "SINK" (speaker) or "SOURCE" (microphone)
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toggle_mute() {
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wpctl set-mute "@DEFAULT_AUDIO_${1}@" toggle
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}
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get_report() {
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spkr_vol="$(get_vol "SINK")"
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mic_vol="$(get_vol "SOURCE")"
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if [ "$(check_mute "SINK")" == "0" ]; then
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spkr_mute="true"
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spkr_icon="$SPEAKER_MUTED_ICON"
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else
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spkr_mute="false"
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index="$(awk -v n="$spkr_vol" -v m="${#SPEAKER_ICONS[@]}" 'BEGIN{print int(n/(100/m))}')"
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# We might end up with an higher than the length of icons, if the volume is over 100%
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# in this case, set the index to last icon
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if [ "$index" -ge "${#SPEAKER_ICONS[@]}" ]; then
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spkr_icon="${SPEAKER_ICONS[-1]}"
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else
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spkr_icon="${SPEAKER_ICONS[$index]}"
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fi
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fi
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if [ "$(check_mute "SOURCE")" = "0" ]; then
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mic_mute="true"
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mic_icon="$MIC_MUTED_ICON"
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else
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mic_mute="false"
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mic_icon="$MIC_ICON"
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fi
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echo "{ \"speaker_vol\": \"$spkr_vol\", \"speaker_mute\": $spkr_mute, \"speaker_icon\": \"$spkr_icon\", \"microphone_mute\": $mic_mute, \"microphone_vol\": \"$mic_vol\", \"microphone_icon\": \"$mic_icon\" }"
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}
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# Continually run and report every volume change (into stdout)
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loop() {
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pactl subscribe | grep --line-buffered "change" | while read -r _; do
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get_report
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done
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}
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case "$1" in
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"loop")
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get_report
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loop
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;;
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"once") get_report ;;
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"togglemute")
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if [ "$2" != "SOURCE" ] && [ "$2" != "SINK" ]; then
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>&2 echo "Invalid usage, expected second argument to be 'SINK' or 'SOURCE', got '$2'"
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exit 1
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fi
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toggle_mute "$2"
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;;
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"setvol")
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if [ "$2" != "SOURCE" ] && [ "$2" != "SINK" ]; then
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>&2 echo "Invalid usage, expected second argument to be 'SINK' or 'SOURCE', got '$2'"
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exit 1
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fi
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if [[ "$3" =~ ^[+-]?[0-9]*\.?[0-9]+$ ]]; then
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case "$4" in
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"") set_vol "$2" "$3" ;;
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up|+) set_vol "$2" "$3" "+" ;;
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down|-) set_vol "$2" "$3" "-" ;;
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*)
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>&2 echo "Invalid usage, expected fourth argument to be up/down or +/-, got '$4'"
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exit 1
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;;
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esac
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else
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>&2 echo "Invalid usage, exepcted third argument to be a number, got '$3'"
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exit 1
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fi
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;;
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*)
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>&2 echo "Invalid usage, argument '$1' not recognized."
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exit 1
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;;
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esac
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