Function init

src/content/getusermedia/record/js/main.js:179–189

(constraints, isGetDisplayMedia)

}

async function init(constraints, isGetDisplayMedia) {
  try {
    const stream = isGetDisplayMedia ?
        await navigator.mediaDevices.getDisplayMedia(constraints) :
        await navigator.mediaDevices.getUserMedia(constraints);
    handleSuccess(stream);
  } catch (e) {
    console.error('Source open error:', e);
    errorMsgElement.innerHTML = `Source error: ${e.toString()}`;
  }
}

async function onStart(isGetDisplayMedia) {
  document.querySelector('button#start-gum').disabled = true;