constructor( video, mapping, wrapS, wrapT, magFilter = LinearFilter, minFilter = LinearFilter, format, type, anisotropy ) {

		super( video, mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy );

		/**
		 * This flag can be used for type testing.
		 *
		 * @type {boolean}
		 * @readonly
		 * @default true
		 */
		this.isVideoTexture = true;

		/**
		 * Whether to generate mipmaps (if possible) for a texture.
		 *
		 * Overwritten and set to `false` by default.
		 *
		 * @type {boolean}
		 * @default false
		 */
		this.generateMipmaps = false;

		const scope = this;

		function updateVideo() {

			scope.needsUpdate = true;
			video.requestVideoFrameCallback( updateVideo );

		}

		if ( 'requestVideoFrameCallback' in video ) {

			video.requestVideoFrameCallback( updateVideo );

		}

	}
Constructs a new video texture.

@param {HTMLVideoElement} video - The video element to use as a data source for the texture.
@param {number} [mapping=Texture.DEFAULT_MAPPING] - The texture mapping.
@param {number} [wrapS=ClampToEdgeWrapping] - The wrapS value.
@param {number} [wrapT=ClampToEdgeWrapping] - The wrapT value.
@param {number} [magFilter=LinearFilter] - The mag filter value.
@param {number} [minFilter=LinearFilter] - The min filter value.
@param {number} [format=RGBAFormat] - The texture format.
@param {number} [type=UnsignedByteType] - The texture type.
@param {number} [anisotropy=Texture.DEFAULT_ANISOTROPY] - The anisotropy value.