7f41cf7a82
The bare $HOME repo is gone. This is now the rice: install.sh, rice-* scripts in bin/, configs in home/ linked into $HOME, theme templates, st and the particle wallpaper. Clone to ~/rice and run install.sh.
61 lines
2.8 KiB
Bash
Executable file
61 lines
2.8 KiB
Bash
Executable file
#!/usr/bin/env bash
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# rice-audio - audio state for the eww panel, and the actions it runs.
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#
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# rice-audio watch JSON on every change (eww deflisten)
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# rice-audio sink <name> default output; playing streams move with it
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# rice-audio source <name> default input
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# rice-audio app-volume <index> <pct> volume of one playing app
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# rice-audio app-mute <index>
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# rice-audio mic <pct> | mic-mute
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set -uo pipefail
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snapshot() {
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jq -cn \
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--arg dsink "$(pactl get-default-sink 2>/dev/null)" \
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--arg dsrc "$(pactl get-default-source 2>/dev/null)" \
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--argjson sinks "$(pactl -f json list sinks 2>/dev/null || echo '[]')" \
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--argjson sources "$(pactl -f json list sources 2>/dev/null || echo '[]')" \
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--argjson apps "$(pactl -f json list sink-inputs 2>/dev/null || echo '[]')" '
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def pct: [.volume[]?.value_percent | rtrimstr("%") | tonumber] | if length > 0 then (add / length | round) else 0 end;
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def level: {name: (.description // ""), vol: pct, muted: (.mute // false)};
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{
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sink: (($sinks | map(select(.name == $dsink)) | .[0]) // {} | level),
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source: (($sources | map(select(.name == $dsrc)) | .[0]) // {} | level),
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sinks: [ $sinks[] | {index, name, desc: .description, default: (.name == $dsink)} ],
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sources: [ $sources[] | select(.name | endswith(".monitor") | not)
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| {index, name, desc: .description, default: (.name == $dsrc)} ],
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apps: [ $apps[] | {id: .index,
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name: (.properties["application.name"] // .properties["media.name"] // "app"),
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vol: pct, muted: .mute} ]
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}'
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}
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watch() {
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snapshot
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pactl subscribe 2>/dev/null |
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grep --line-buffered -E "'(change|new|remove)' on (sink|source|sink-input|server)" |
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while read -r _; do
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# A slider drag fires dozens of events; wait for the burst to end.
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while read -r -t 0.08 _; do :; done
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snapshot
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done
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}
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# Panel buttons pass numeric indexes, never device names, so nothing a
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# device reports about itself ends up inside a shell command.
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num() { [[ ${1:-} =~ ^[0-9]+$ ]] || { echo "rice-audio: expected a number, got '${1:-}'" >&2; exit 2; }; }
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case "${1:-}" in
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watch) watch ;;
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sink)
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num "${2:-}"
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pactl set-default-sink "$2"
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pactl -f json list sink-inputs | jq -r '.[].index' | while read -r i; do pactl move-sink-input "$i" "$2"; done
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;;
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source) num "${2:-}"; pactl set-default-source "$2" ;;
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app-volume) num "${2:-}"; num "${3:-}"; pactl set-sink-input-volume "$2" "$3%" ;;
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app-mute) num "${2:-}"; pactl set-sink-input-mute "$2" toggle ;;
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mic) num "${2:-}"; wpctl set-volume -l 1.0 @DEFAULT_AUDIO_SOURCE@ "$2%" ;;
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mic-mute) rice-volume mic-mute ;;
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*) sed -n '2,10p' "$0" | sed 's/^# \{0,1\}//'; exit 2 ;;
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esac
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