saravanannkl

// Based on  https://web.dev/mediastreamtrack-insertable-media-processing/
// Uses Webcodecs API, which is supported only in Chrome as of November 2021

function convertI420AFrameToI420Frame(frame) {
  const { width, height } = frame.codedRect;
  // Y, U, V, Alpha values are stored sequentially. Take only YUV values
  const buffer = new Uint8Array(width * height * 3);
  frame.copyTo(buffer, { rect: frame.codedRect });
  const init = {
    timestamp: 0,