import { type Readable } from 'node:stream';
import type { FfmpegCommandPrototype, FfprobeData, FfprobeStream } from './types.js';
export interface ScreenshotConfig {
    count?: number;
    folder?: string;
    filename?: string;
    timemarks?: (string | number)[];
    timestamps?: (string | number)[];
    fastSeek?: boolean;
    size?: string;
}
export interface ResolvedSize {
    fixedSize: RegExpMatchArray | null;
    fixedWidth: RegExpMatchArray | null;
    fixedHeight: RegExpMatchArray | null;
    percentSize: RegExpMatchArray | null;
}
export declare function pickBiggestVideoStream(meta: FfprobeData): FfprobeStream;
export declare function normaliseScreenshotConfig(input: number | ScreenshotConfig | undefined, folder?: string): ScreenshotConfig;
export declare function parseSizeSpec(size: string | undefined): ResolvedSize;
export declare function isPercentTimemark(t: string | number): boolean;
export declare function fixPattern(config: ScreenshotConfig): string;
export declare function replaceFilenameTokens(pattern: string, source: string | Readable): string;
export interface SizeForTokens {
    width: number;
    height: number;
}
export declare function replaceSizeTokens(pattern: string, size: SizeForTokens): string;
export declare function generateFilenames(pattern: string, timemarks: (string | number)[]): string[];
declare function applyRecipes(proto: FfmpegCommandPrototype): void;
export default applyRecipes;
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