import type { EmscriptenGL } from '../types';
import type { TimeRange } from '../interfaces';
export declare class VideoReader {
    static isIOS: () => boolean;
    static isAndroidMiniprogram: () => boolean;
    private videoEl;
    private readonly frameRate;
    private lastVideoTime;
    private hadPlay;
    private staticTimeRanges;
    private lastPrepareTime;
    private disablePlaybackRate;
    constructor(mp4Data: Uint8Array, width: number, height: number, frameRate: number, staticTimeRanges: TimeRange[]);
    prepare(targetFrame: number): Promise<boolean>;
    renderToTexture(GL: EmscriptenGL, textureID: number): void;
    onDestroy(): void;
    private onTimeupdate;
    private seek;
    private alignPlaybackRate;
}
export declare class StaticTimeRanges {
    private timeRanges;
    constructor(timeRanges: TimeRange[]);
    contains(targetFrame: number): boolean;
}