import { ContextManager, Observable, PlayOptions, Stream } from '@zcomponent/core';
import * as THREE from 'three';
import { Texture, TextureConstructorProps } from './Texture';
/**
 * The properties for constructing a video texture.
 */
interface VideoTextureConstructorProps extends TextureConstructorProps {
    /**
     * The source video file.
     * This can be a local file or a URL to an mp4 file.
     * @zprop
     * @zvalues files *.+(mp4)
     */
    source: string;
    /**
     * Start playing the video automatically when the scene starts.
     * @zprop
     * @zdefault false
     */
    autoplay?: boolean;
    /**
     * The audio layer for the video.
     * @zprop
     * @zdefault default
     */
    audioLayer?: string;
    /**
     * Whether to use the legacy audio system.
     * @zprop
     * @zdefault false
     */
    legacyAudio?: boolean;
}
/**
 *
 * Extends the Texture component to provide functionality for creating and managing video textures.
 *
 * This component enables the use of video files as textures in 3D scenes, supporting features like autoplay, audio layers, and legacy audio.
 *
 *
 * @zcomponent
 * @zgroup Texture
 * @zicon movie
 * @ztag three/Texture/VideoTexture
 * @zparents three/Material/**
 * @zstream
 */
export declare class VideoTexture extends Texture<THREE.Texture> implements Stream {
    private videoElement;
    private _hadUserEvent;
    private _gain;
    /**
     * Observable property to control the muted state of the video.
     * When set to true, the video plays without sound.
     * @zprop
     * @zdefault false
     * @zgroup VideoTexture
     * @zgrouppriority 20
     */
    muted: Observable<boolean, never>;
    /**
     * Creates an instance of VideoTexture.
     * @param mgr - The context manager.s
     * @param props VideoTextureConstructorProps to define the properties of the video texture.
     */
    constructor(mgr: ContextManager, props: VideoTextureConstructorProps);
    /**
     * Disposes of the video texture.
     */
    dispose(): never;
    private _updateMute;
    /**
     * The volume of the video.
     * @zprop
     * @ztype proportion
     * @zdefault 1
     */
    volume: Observable<number, never>;
    /**
     * Plays the video.
     * @zprop
     **/
    play(opts?: PlayOptions): void;
    /**
     * Pauses the video.
     * @zprop
     * */
    pause(): void;
    /**
     * Stops the video and resets the current time to 0.
     * @zprop
     *
     */
    stop(): void;
    /**
     * Seeks to the specified time in milliseconds.
     * @zprop
     */
    seek(t: number): void;
    /**
     * @returns The current time in milliseconds.
     */
    currentTime(): number;
    /**
     *
     * @returns The length of the video in milliseconds.
     */
    length(): number | undefined;
    /**
     *
     * @returns Whether the video is currently playing.
     */
    stalled(): boolean;
    /**
     * Whether the video should loop.
     * @zprop
     * @zdefault false
     * @zgroup VideoTexture
     * @zgrouppriority 20
     */
    loop: Observable<boolean, never>;
}
export {};