49 lines
1015 B
Plaintext
Executable File
49 lines
1015 B
Plaintext
Executable File
#!/usr/bin/env nix-shell
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#!nix-shell -i bash -p gnugrep -p gnused -p pulseaudio
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debug() {
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printf "$@" >&2
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printf "\n" >&2
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}
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verbose() {
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if [ "$WOB_VERBOSE" = "1" ]; then
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debug "$@"
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fi
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}
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volismuted() {
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pactl get-sink-mute @DEFAULT_SINK@ | grep -q "Mute: yes"
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}
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volget() {
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if volismuted; then
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verbose "muted"
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printf "0"
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else
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pactl get-sink-volume @DEFAULT_SINK@ | head -n1 | cut -d'/' -f2 | sed 's/ //g' | sed 's/\%//'
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fi
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}
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notify_volume_change() {
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verbose "notify_volume_change"
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vol=$(volget)
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verbose "got volume: %d -> %d" "$lastvol" "$vol"
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if [ "$vol" != "$lastvol" ]; then
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debug "notify wob: %d -> %d" "$lastvol" "$vol"
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printf "%s\n" "$vol" > "$XDG_RUNTIME_DIR/$WOBSOCK_NAME"
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fi
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lastvol="$vol"
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}
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pactl subscribe | while read -r line; do
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verbose "pactl says: %s" "$line"
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case "$line" in
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"Event 'change' on sink "*)
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notify_volume_change
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;;
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"Event 'change' on source "*)
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# microphone volume changed. ignore.
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;;
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esac
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done
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