services/Audio.qml


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pragma Singleton

import qs.config
import Caelestia
import Quickshell
import Quickshell.Services.Pipewire

Singleton {
    id: root

    readonly property var nodes: Pipewire.nodes.values.reduce((acc, node) => {
        if (!node.isStream) {
            if (node.isSink)
                acc.sinks.push(node);
            else if (node.audio)
                acc.sources.push(node);
        }
        return acc;
    }, {
        sources: [],
        sinks: []
    })

    readonly property list<PwNode> sinks: nodes.sinks
    readonly property list<PwNode> sources: nodes.sources

    readonly property PwNode sink: Pipewire.defaultAudioSink
    readonly property PwNode source: Pipewire.defaultAudioSource

    readonly property bool muted: !!sink?.audio?.muted
    readonly property real volume: sink?.audio?.volume ?? 0

    readonly property bool sourceMuted: !!source?.audio?.muted
    readonly property real sourceVolume: source?.audio?.volume ?? 0

    readonly property alias cava: cava
    readonly property alias beatTracker: beatTracker

    function setVolume(newVolume: real): void {
        if (sink?.ready && sink?.audio) {
            sink.audio.muted = false;
            sink.audio.volume = Math.max(0, Math.min(1, newVolume));
        }
    }

    function incrementVolume(amount: real): void {
        setVolume(volume + (amount || Config.services.audioIncrement));
    }

    function decrementVolume(amount: real): void {
        setVolume(volume - (amount || Config.services.audioIncrement));
    }

    function setSourceVolume(newVolume: real): void {
        if (source?.ready && source?.audio) {
            source.audio.muted = false;
            source.audio.volume = Math.max(0, Math.min(1, newVolume));
        }
    }

    function incrementSourceVolume(amount: real): void {
        setSourceVolume(sourceVolume + (amount || Config.services.audioIncrement));
    }

    function decrementSourceVolume(amount: real): void {
        setSourceVolume(sourceVolume - (amount || Config.services.audioIncrement));
    }

    function setAudioSink(newSink: PwNode): void {
        Pipewire.preferredDefaultAudioSink = newSink;
    }

    function setAudioSource(newSource: PwNode): void {
        Pipewire.preferredDefaultAudioSource = newSource;
    }

    PwObjectTracker {
        objects: [...root.sinks, ...root.sources]
    }

    AudioCollector {
        id: collector
    }

    CavaProvider {
        id: cava

        collector: collector
        bars: Config.services.visualiserBars
    }

    BeatTracker {
        id: beatTracker

        collector: collector
    }
}