Function getMedia

src/content/getusermedia/resolution/js/main.js:229–244

(constraints)

};

function getMedia(constraints) {
  if (stream) {
    stream.getTracks().forEach(track => {
      track.stop();
    });
  }

  clearErrorMessage();
  videoblock.style.display = 'none';
  if (videoSelect.value !== '') {
    constraints.video.deviceId = {exact: videoSelect.value};
  }
  console.log('getUserMedia constraints: ' + JSON.stringify(constraints));
  navigator.mediaDevices.getUserMedia(constraints)
      .then(gotStream, handleError);
}