export type TVideoFrameFormat = "png" | "gray8";
export type TVideoPlaybackRate = 1 | 2 | 3;
export type TVideoFrame = Readonly<{
    format?: "png";
    png: Uint8Array;
    timestampMs?: number;
    durationMs?: number;
    pixelWidth?: number;
    pixelHeight?: number;
    fingerprint?: string | number;
}> | Readonly<{
    format: "gray8";
    pixels: Uint8Array;
    pixelWidth: number;
    pixelHeight: number;
    timestampMs?: number;
    durationMs?: number;
    fingerprint?: string | number;
}>;
export type TVideoFrameSourceContext = Readonly<{
    src: string;
    signal: AbortSignal;
    maxFps: number;
    pixelWidth: number;
    pixelHeight: number;
    startAtMs: number;
    playbackRate: TVideoPlaybackRate;
    loop: boolean;
    preferredFormat: TVideoFrameFormat;
}>;
export type TVideoFrameSource = (context: TVideoFrameSourceContext) => AsyncIterable<TVideoFrame> | Promise<AsyncIterable<TVideoFrame>>;
export type TVideoFrameEvent = Readonly<{
    timestampMs: number;
    pixelWidth: number;
    pixelHeight: number;
    droppedFrames: number;
    durationMs?: number;
    playbackRate?: TVideoPlaybackRate;
}>;