RecorderTest.ts

import {
  AudioContext,
  AudioRecorder,
  AudioBuffer,
} from 'react-native-audio-api';

export const recorderTest = (
  audioContextRef: React.RefObject<AudioContext | null>,
  buffers: AudioBuffer[]
) => {
  const recorder = new AudioRecorder();

  recorder.onAudioReady(
    {
      sampleRate: audioContextRef.current!.sampleRate,
      bufferLength: audioContextRef.current!.sampleRate * 0.1,
      channelCount: 1,
    },
    (event) => {
      const { buffer, numFrames } = event;
      console.log('Audio recorder buffer ready:', numFrames);
      buffers.push(buffer);
    }
  );
  recorder.start();
  setTimeout(() => {
    recorder.stop();
  }, 5000);
};

export const recorderPlaybackTest = (
  audioContextRef: React.RefObject<AudioContext | null>,
  buffers: AudioBuffer[]
) => {
  let nextStartAt = audioContextRef.current!.currentTime + 0.1;
  for (let i = 0; i < buffers.length; i++) {
    const source = audioContextRef.current!.createBufferSource();
    source.buffer = buffers[i];
    source.connect(audioContextRef.current!.destination);
    source.start(nextStartAt);
    nextStartAt += buffers[i].duration;
  }
};