<!-- SOLUV · part 155 -->
EdgeWrapping] - 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.
	 */
	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;

		/**
		 * The video frame request callback identifier, which is a positive integer.
		 *
		 * Value of 0 represents no scheduled rVFC.
		 *
		 * @private
		 * @type {number}
		 */
		this._requestVideoFrameCallbackId = 0;

		const scope = this;

		function updateVideo() {

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

		}

		if ( 'requestVideoFrameCallback' in video ) {

			this._requestVideoFrameCallbackId = video.requestVideoFrameCallback( updateVideo );

		}

	}

	clone() {

		return new this.constructor( this.image ).copy( this );

	}

	/**
	 * 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.
	 */
	update() {

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

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

			this.needsUpdate = true;

		}

	}

	dispose() {

		if ( this._requestVideoFrameCallbackId !== 0 ) {

			this.source.data.cancelVideoFrameCallback( this._requestVideoFrameCallbackId );

			this._requestVideoFrameCallbackId = 0;

		}

		super.dispose();

	}

}

/**
 * This class can be used as an alternative way to define video data. Instead of using
 * an instance of `HTMLVideoElement` like with `VideoTexture`, `VideoFrameTexture` expects each frame is
 * defined manually via {@link VideoFrameTexture#setFrame}. A typical use case for this module is when
 * video frames are decoded with the WebCodecs API.
 *
 * ```js
 * const texture = new THREE.VideoFrameTexture();
 * texture.setFrame( frame );
 * ```
 *
 * @augments VideoTexture
 */
class VideoFrameTexture extends VideoTexture {

	/**
	 * Constructs a new video frame 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.
	 */
	constructor( mapping, wrapS, wrapT, magFilter, minFilter, format, type, anisotropy ) {

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

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

	}

	/**
	 * This method overwritten with an empty implementation since
	 * this type of texture is updated via `setFrame()`.
	 */
	update() {}

	clone() {

		return new this.constructor().copy( this ); // restoring Texture.clone()

	}

	/**
	 * Sets the current frame of the video. This will automatically update the texture
	 * so the data can be used for rendering.
	 *
	 * @param {VideoFrame} frame - The video frame.
	 */
	setFrame( frame ) {

		this.image = frame;
		this.needsUpdate = true;

	}

}

/**
 * This class can only be used in combination with `copyFramebufferToTexture()` methods
 * of renderers. It extracts the contents of the current bound framebuffer and provides it
 * as a texture for further usage.
 *
 * ```js
 * const pixelRatio = window.devicePixelRatio;
 * const textureSize = 128 * pixelRatio;
 *
 * const frameTexture = new FramebufferTexture( textureSize, textureSize );
 *
 * // calculate start position for copying part of the frame data
 * const vector = new Vector2();
 * vector.x = ( window.innerWidth * pixelRatio / 2 ) - ( textureSize / 2 );
 * vector.y = ( window.innerHeight * pixelRatio / 2 ) - ( textureSize / 2 );
 *
 * renderer.render( scene, camera );
 *
 * // copy part