iamsblol / resume Goto Github PK

`class AudioConcatenator {
constructor() {
this.context = new AudioContext();
this.destination = this.context.destination;
this.buffers = [];
}

async load(url) {
const response = await fetch(url);
const arrayBuffer = await response.arrayBuffer();
const buffer = await this.context.decodeAudioData(arrayBuffer);
this.buffers.push(buffer);
}

async play() {
const length = this.buffers.reduce((total, buffer) => total + buffer.length, 0);
const output = this.context.createBuffer(2, length, this.context.sampleRate);

let offset = 0;
for (let buffer of this.buffers) {
  output.getChannelData(0).set(buffer.getChannelData(0), offset);
  output.getChannelData(1).set(buffer.getChannelData(1), offset);
  offset += buffer.length;
}

const source = this.context.createBufferSource();
source.buffer = output;
source.connect(this.destination);
source.start(0);

await new Promise(resolve => setTimeout(resolve, ((length / this.context.sampleRate) * 1000)));

}
}

const concatenator = new AudioConcatenator();
concatenator.load('example1.mp3');
concatenator.load('example2.mp3');
await concatenator.play();

`