EveFlow/public/worklets/eveflow-capture.js

class EveFlowCaptureProcessor extends AudioWorkletProcessor {
  constructor() {
    super();
    this.buffer = new Float32Array(2048);
    this.offset = 0;
  }
  process(inputs) {
    const input = inputs[0];
    if (!input || input.length === 0) return true;
    const channel = input[0];
    if (!channel) return true;
    let i = 0;
    while (i < channel.length) {
      const n = Math.min(channel.length - i, this.buffer.length - this.offset);
      this.buffer.set(channel.subarray(i, i + n), this.offset);
      this.offset += n;
      i += n;
      if (this.offset === this.buffer.length) {
        this.port.postMessage(this.buffer, [this.buffer.buffer]);
        this.buffer = new Float32Array(2048);
        this.offset = 0;
      }
    }
    return true;
  }
}
registerProcessor('eveflow-capture', EveFlowCaptureProcessor);