38 lines
1.6 KiB
JavaScript
38 lines
1.6 KiB
JavaScript
import BaseEffect from './base-effect';
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export default class Convolver extends BaseEffect {
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constructor(context, graph, params) {
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super(context, graph, params);
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this.volume = 0.25;
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console.log(`Creating convolver`);
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this.effectNode = this.context.getContext().createConvolver();
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this.effectNode.normalize = true;
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this.effectNode.buffer = this.effectParams.buffer;
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}
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setBuffer(buffer) {
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this.buffer = buffer;
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if (this.effectNode) {
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this.effectNode.buffer = buffer;
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}
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}
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setVolume(volume) {
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this.volume = volume;
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if (this.outputGain) {
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this.outputGain.gain.setValueAtTime(this.volume, this.context.getContext().currentTime);
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}
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}
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connectInput(node) {
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this.channelSplitter = this.context.getContext().createChannelSplitter(2);
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this.channelMerger = this.context.getContext().createChannelMerger(2);
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this.channelSplitter.connect(this.channelMerger, 0, 0);
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this.channelSplitter.connect(this.channelMerger, 1, 0);
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this.channelSplitter.connect(this.channelMerger, 0, 1);
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this.channelSplitter.connect(this.channelMerger, 1, 1);
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this.outputGain = this.context.getContext().createGain();
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this.outputGain.gain.setValueAtTime(this.volume, this.context.getContext().currentTime);
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node.connect(this.channelSplitter);
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this.channelMerger.connect(this.outputGain);
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this.outputGain.connect(this.effectNode);
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this.inputNode = node;
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}
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}
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