export type FrameWriter = (frame: number, png: Uint8Array) => Promise<void>;
export interface FrameStreamOptions {
    directory: string;
    frameCount: number;
    parallelism: number;
    fpsSource: string;
    output: string;
    ffmpegPath?: string;
    signal?: AbortSignal;
    acquireEncoder?: (signal: AbortSignal) => Promise<() => void>;
    onEncoder?: (details: {
        pid: number | undefined;
        startFrame: number;
        endFrame: number;
    }) => void;
    onComplete?: (details: {
        frames: number;
        encoders: number;
    }) => void;
}
/** PNGs go straight from the sampler into independent lossless encoders. */
export declare function withFrameStream<T>(options: FrameStreamOptions, render: (write: FrameWriter) => Promise<T>): Promise<{
    value: T;
    mediaPath?: string;
}>;
//# sourceMappingURL=frame-stream.d.ts.map