react-native-audio-api/lib/module/core/WorkletProcessingNode.js

react-native-audio-api provides system for controlling audio in React Native environment compatible with Web Audio API specification

"use strict";

import AudioNode from "./AudioNode.js";
import AudioAPIModule from "../AudioAPIModule/index.js";
export default class WorkletProcessingNode extends AudioNode {
  constructor(context, runtime, callback) {
    const shareableWorklet = AudioAPIModule.workletsModule.makeShareableCloneRecursive((inputBuffers, outputBuffers, framesToProcess, currentTime) => {
      'worklet';

      const inputData = inputBuffers.map(buffer => new Float32Array(buffer, 0, framesToProcess));
      const outputData = outputBuffers.map(buffer => new Float32Array(buffer, 0, framesToProcess));
      callback(inputData, outputData, framesToProcess, currentTime);
    });
    const node = context.context.createWorkletProcessingNode(shareableWorklet, runtime === 'UIRuntime');
    super(context, node);
  }
}
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