/**
 * FFmpeg Wrapper - Direct FFmpeg/FFprobe execution via child_process
 * Replaces deprecated fluent-ffmpeg package
 *
 * @module @plyaz/storage/utils/ffmpegWrapper
 */
import type { FFprobeData, FFmpegProgress, FFmpegOptions, ScreenshotOptions } from '@plyaz/types/storage';
/**
 * FFmpeg wrapper class - provides fluent-ffmpeg-like API using child_process
 */
export declare class FFmpegWrapper {
    private ffmpegPath;
    private ffprobePath;
    /**
     * Set FFmpeg binary path
     */
    setFfmpegPath(path: string): void;
    /**
     * Set FFprobe binary path
     */
    setFfprobePath(path: string): void;
    /**
     * Extract metadata using ffprobe
     */
    ffprobe(inputPath: string): Promise<FFprobeData>;
    /**
     * Execute FFmpeg command
     */
    execute(options: FFmpegOptions): Promise<void>;
    /**
     * Generate screenshots/thumbnails
     */
    screenshots(inputPath: string, options: ScreenshotOptions): Promise<void>;
    /**
     * Transcode video
     */
    transcode(options: {
        input: string;
        output: string;
        size?: string;
        videoBitrate?: string;
        videoCodec?: string;
        audioCodec?: string;
        audioBitrate?: string;
        format?: string;
        onProgress?: (progress: FFmpegProgress) => void;
        onStart?: (command: string) => void;
    }): Promise<void>;
    /**
     * Generate HLS stream
     */
    generateHLS(options: {
        input: string;
        output: string;
        segmentDuration?: number;
        onStart?: (command: string) => void;
    }): Promise<void>;
}
/**
 * Global FFmpeg wrapper instance
 */
export declare const ffmpegWrapper: FFmpegWrapper;
/**
 * Set FFmpeg binary path
 */
export declare function setFfmpegPath(path: string): void;
/**
 * Set FFprobe binary path
 */
export declare function setFfprobePath(path: string): void;
/**
 * Execute ffprobe
 */
export declare function ffprobe(inputPath: string): Promise<FFprobeData>;