ImageCapture: getPhotoCapabilities() メソッド

getPhotoCapabilities()

const input = document.querySelector('input[type="range"]');
let imageCapture;
navigator.mediaDevices
  .getUserMedia({ video: true })
  .then((mediaStream) => {
    document.querySelector("video").srcObject = mediaStream;
    const track = mediaStream.getVideoTracks()[0];
    imageCapture = new ImageCapture(track);
    return imageCapture.getPhotoCapabilities();
  })
  .then((photoCapabilities) => {
    const settings = imageCapture.track.getSettings();
    input.min = photoCapabilities.imageWidth.min;
    input.max = photoCapabilities.imageWidth.max;
    input.step = photoCapabilities.imageWidth.step;
    return imageCapture.getPhotoSettings();
  })
  .then((photoSettings) => {
    input.value = photoSettings.imageWidth;
  })
  .catch((error) => console.error("Argh!", error.name || error));