57 lines
1.6 KiB
Bash
Executable File
57 lines
1.6 KiB
Bash
Executable File
#!/usr/bin/env sh
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# the amount to increase / decrease each time
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[ -z "$AMOUNT" ] && AMOUNT=5
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# utility for sending notifications easily
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notify() {
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notify-send "$@" -h string:x-dunst-stack-tag:'audioctl' -a 'audioctl'
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}
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# get current volume information
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vol_str="$(wpctl get-volume @DEFAULT_AUDIO_SINK@)"
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# Remove leading non-numeric or zero characters, then remove remaining non-numeric characters.
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# NOTE: if zero (0.00), the string will be empty. This is fine for arithmetic operations.
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vol_int="$(echo "$vol_str" | sed 's/^[^1-9]*//; s/[^0-9]//g')"
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# if the string contains MUTED, set the variable accordion
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case "$vol_str" in
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*MUTED*) vol_off=1 ;;
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*) vol_off=0 ;;
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esac
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# handle what action to perform from the argument
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echo $vol_off
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case $1 in
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up) vol_int=$((vol_int + AMOUNT)) ;;
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down) vol_int=$((vol_int - AMOUNT)) ;;
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mute) vol_off=$((!vol_off)) ;;
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*)
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echo 'E: could not decide what audio action to perform!' >&2
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notify 'could not decide what audio action to perform!' -u critical -t 5000
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exit 1
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;;
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esac
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vol_int=$((vol_int - (vol_int % AMOUNT)))
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vol_pcnt=$(echo "scale = 2; $vol_int / 100;" | bc)
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echo $vol_off
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wpctl set-volume @DEFAULT_AUDIO_SINK@ "$vol_pcnt"
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wpctl set-mute @DEFAULT_AUDIO_SINK@ "$vol_off"
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play -n synth 0.005 sine 1000 vol 0.2 2>/dev/null
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if [ "$vol_int" -eq 0 ] || [ "$vol_off" -eq 1 ]; then
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ico=audio-volume-muted
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elif [ "$vol_int" -lt 33 ]; then
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ico=audio-volume-low
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elif [ "$vol_int" -lt 66 ]; then
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ico=audio-volume-medium
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else
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ico=audio-volume-high
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fi
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str="volume: $vol_int% $([ $vol_off -eq 1 ] && printf '(MUTE)')"
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notify -i "$ico" -u low -h "int:value:$vol_int" "$str"
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