import { WrappedCanvas } from 'mediabunny';
import { VideoSource } from '../../sources';
export declare class VideoDecoder {
    private source;
    private hasCache;
    private seeking;
    private canvasSink;
    private packetSink;
    private iterator;
    private currentFrame;
    private nextFrame;
    private frameCache;
    private cacheCanvasWidth;
    private cacheCanvasHeight;
    private nextKeyPacket;
    private lastValue;
    private frameRate;
    private preseekTime;
    constructor(source: VideoSource, hasCache: boolean);
    init(): Promise<void>;
    private getCacheEntryFor;
    seekTo(relativeTime: number): Promise<void>;
    getBestFrameFor(relativeTime: number): WrappedCanvas | OffscreenCanvas | null;
    reset(): void;
}