import type * as interfaces from './interfaces.js';
import { FfmpegCommand, type TFfmpegInput, type IInputOptions } from './classes.ffmpegcommand.js';
/**
 * Event callback types
 */
export type TProgressCallback = (progress: interfaces.IProgressInfo) => void;
export type TErrorCallback = (error: Error) => void;
export type TEndCallback = () => void;
/**
 * SmartFfmpeg - A fast Node.js module for media file conversion using ffmpeg
 *
 * @example Modern Builder API
 * ```typescript
 * const ffmpeg = new SmartFfmpeg();
 *
 * // File to file with fluent API
 * await ffmpeg.create()
 *   .input('/path/to/input.mp4')
 *   .videoCodec('libx264')
 *   .audioBitrate('128k')
 *   .size(1920, 1080)
 *   .output('/path/to/output.mp4')
 *   .run();
 *
 * // Buffer to buffer
 * const outputBuffer = await ffmpeg.create()
 *   .input(inputBuffer, { format: 'mp4' })
 *   .videoCodec('libx264')
 *   .toBuffer('webm');
 *
 * // With progress tracking
 * await ffmpeg.create()
 *   .input('/path/to/input.mp4')
 *   .videoCodec('libx264')
 *   .onProgress(p => console.log(`${p.percent?.toFixed(1)}%`))
 *   .output('/path/to/output.mp4')
 *   .run();
 *
 * // Stream output
 * const stream = ffmpeg.create()
 *   .input('/path/to/input.mp4')
 *   .videoCodec('libx264')
 *   .toStream('mp4');
 * ```
 *
 * @example Legacy API (still supported)
 * ```typescript
 * await ffmpeg.convert('input.mp4', 'output.webm', {
 *   videoCodec: 'libvpx-vp9',
 *   audioBitrate: '128k'
 * });
 * ```
 */
export declare class SmartFfmpeg {
    private ffmpegPath;
    private ffprobePath;
    constructor();
    /**
     * Create a new FfmpegCommand builder for fluent API usage
     *
     * @example
     * ```typescript
     * await ffmpeg.create()
     *   .input('/path/to/input.mp4')
     *   .videoCodec('libx264')
     *   .crf(23)
     *   .output('/path/to/output.mp4')
     *   .run();
     * ```
     */
    create(): FfmpegCommand;
    /**
     * Shorthand to create a command with input already set
     *
     * @example
     * ```typescript
     * // File input
     * await ffmpeg.input('/path/to/input.mp4')
     *   .videoCodec('libx264')
     *   .output('/path/to/output.mp4')
     *   .run();
     *
     * // Buffer input
     * const output = await ffmpeg.input(buffer, { format: 'mp4' })
     *   .videoCodec('libx264')
     *   .toBuffer('webm');
     * ```
     */
    input(source: TFfmpegInput, options?: IInputOptions): FfmpegCommand;
    /**
     * Get media file information using ffprobe
     */
    getMediaInfo(inputPath: string): Promise<interfaces.IMediaInfo>;
    /**
     * Convert media file with specified options
     */
    convert(inputPath: string, outputPath: string, options?: interfaces.IConversionOptions): Promise<void>;
    /**
     * Convert media file with progress reporting
     */
    convertWithProgress(inputPath: string, outputPath: string, options?: interfaces.IConversionOptions, onProgress?: TProgressCallback): Promise<void>;
    /**
     * Extract audio from video file
     */
    extractAudio(inputPath: string, outputPath: string, options?: Pick<interfaces.IConversionOptions, 'audioCodec' | 'audioBitrate' | 'sampleRate' | 'audioChannels' | 'startTime' | 'duration' | 'overwrite'>): Promise<void>;
    /**
     * Remove audio from video file
     */
    removeAudio(inputPath: string, outputPath: string, options?: Pick<interfaces.IConversionOptions, 'videoCodec' | 'videoBitrate' | 'overwrite'>): Promise<void>;
    /**
     * Take a screenshot at a specific time
     */
    screenshot(inputPath: string, outputPath: string, options: interfaces.IScreenshotOptions): Promise<void>;
    /**
     * Generate multiple thumbnails from video
     */
    generateThumbnails(inputPath: string, outputDir: string, options: interfaces.IThumbnailOptions): Promise<string[]>;
    /**
     * Resize video
     */
    resize(inputPath: string, outputPath: string, width?: number, height?: number, options?: Omit<interfaces.IConversionOptions, 'width' | 'height'>): Promise<void>;
    /**
     * Change video frame rate
     */
    changeFrameRate(inputPath: string, outputPath: string, fps: number, options?: Omit<interfaces.IConversionOptions, 'fps'>): Promise<void>;
    /**
     * Trim media file
     */
    trim(inputPath: string, outputPath: string, startTime: number | string, duration: number | string, options?: Omit<interfaces.IConversionOptions, 'startTime' | 'duration'>): Promise<void>;
    /**
     * Convert to GIF
     */
    toGif(inputPath: string, outputPath: string, options?: {
        width?: number;
        height?: number;
        fps?: number;
        startTime?: number | string;
        duration?: number | string;
    }): Promise<void>;
    /**
     * Concatenate multiple media files
     */
    concat(inputPaths: string[], outputPath: string, options?: interfaces.IConversionOptions): Promise<void>;
    /**
     * Add audio to video
     */
    addAudio(videoPath: string, audioPath: string, outputPath: string, options?: {
        videoCodec?: interfaces.TVideoCodec;
        audioCodec?: interfaces.TAudioCodec;
        audioBitrate?: string;
        shortest?: boolean;
        overwrite?: boolean;
    }): Promise<void>;
    /**
     * Get available encoders
     */
    getEncoders(): Promise<string[]>;
    /**
     * Get available decoders
     */
    getDecoders(): Promise<string[]>;
    /**
     * Get available formats
     */
    getFormats(): Promise<string[]>;
    /**
     * Run ffmpeg with raw arguments
     */
    runRaw(args: string[]): Promise<{
        stdout: string;
        stderr: string;
    }>;
    /**
     * Run ffprobe with raw arguments
     */
    runProbeRaw(args: string[]): Promise<{
        stdout: string;
        stderr: string;
    }>;
    private buildConversionArgs;
    private buildScaleFilter;
    private formatTime;
    private parseStreamInfo;
    private runProcess;
}