@babylonjs/core/AudioV2/abstractAudio/abstractAudioBus.js

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import { AbstractNamedAudioNode } from "./abstractAudioNode.js";
import { _GetVolumeAudioProperty, _GetVolumeAudioSubNode } from "./subNodes/volumeAudioSubNode.js";
import { _AudioAnalyzer } from "./subProperties/audioAnalyzer.js";
/**
 * Abstract class representing an audio bus with volume control.
 *
 * An audio bus is a node in the audio graph that can have multiple inputs and outputs. It is typically used to group
 * sounds together and apply effects to them.
 */
export class AbstractAudioBus extends AbstractNamedAudioNode {
    constructor(name, engine) {
        super(name, engine, 3 /* AudioNodeType.HAS_INPUTS_AND_OUTPUTS */);
        this._analyzer = null;
    }
    /**
     * The analyzer features of the bus.
     */
    get analyzer() {
        return this._analyzer ?? (this._analyzer = new _AudioAnalyzer(this._subGraph));
    }
    /**
     * The output volume of the bus.
     */
    get volume() {
        return _GetVolumeAudioProperty(this._subGraph, "volume");
    }
    set volume(value) {
        // The volume subnode is created on initialization and should always exist.
        const node = _GetVolumeAudioSubNode(this._subGraph);
        if (!node) {
            throw new Error("No volume subnode");
        }
        node.volume = value;
    }
    /**
     * Releases associated resources.
     */
    dispose() {
        super.dispose();
        this._analyzer?.dispose();
        this._analyzer = null;
        this._subGraph.dispose();
    }
}
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