import { Executor } from './Executor';
import { ICompiler } from '../Compiler';
export declare class ProbeExecutor extends Executor<Promise<MediaMetadata>> {
    compiler: ICompiler;
    file: string;
    args: string[];
    constructor(file?: string);
    protected probeNormalizeTracks(tracks: any[]): TrackMediaMetadata[];
    protected probeNormalizeFormat(format: any): FormatMediaMetadata;
    protected probeNormalize(metadata: any, track: string): MediaMetadata;
    transformResult(resultString: string): any;
    execute(): Promise<MediaMetadata>;
}
export interface TrackMediaMetadata {
    index: number;
    typeIndex: string;
    file: number;
    type: 'video' | 'audio' | string;
    codec: string;
    bitrate: number;
    size: number;
    frames: number;
    width: number;
    height: number;
    sampleAspectRatio: Fraction;
    aspectRatio: Fraction;
    framerate: number;
    sampleRate: number;
    channels: number;
    duration: number;
}
export interface FormatMediaMetadata {
    name: string;
    startTime: number;
    duration: number;
    size: number;
    bitrate: number;
}
export interface FileMediaMetadata {
    id: string;
    index: number;
    duration: number;
    format: FormatMediaMetadata;
    tracks: TrackMediaMetadata[];
}
export interface MediaMetadata {
    files: FileMediaMetadata[];
    tracks: TrackMediaMetadata[];
}
export declare class Fraction {
    numerator: number;
    denominator: number;
    constructor(numerator: number, denominator?: number);
    toNumber(): number;
    toString(separator?: string): string;
    static parse(str: string, separator?: string): Fraction;
}
export declare function probe(file: string): Promise<MediaMetadata>;