update() {

		const video = this.image;
		const hasVideoFrameCallback = 'requestVideoFrameCallback' in video;

		if ( hasVideoFrameCallback === false && video.readyState >= video.HAVE_CURRENT_DATA ) {

			this.needsUpdate = true;

		}

	}
This method is called automatically by the renderer and sets {@link Texture#needsUpdate}
to `true` every time a new frame is available.

Only relevant if `requestVideoFrameCallback` is not supported in the browser.