import type { Readable } from 'node:stream';
import type { CodecInfo, EncoderInfo, FfmpegCommandOptions, FfmpegCommandThis, FfprobeCallback, FilterInfo, FormatInfo } from './types.js';
type FfmpegInput = string | Readable | FfmpegCommandOptions | undefined;
interface FfmpegCommand extends FfmpegCommandThis {
    clone(): FfmpegCommand;
}
interface FfmpegCommandStatic {
    new (input?: FfmpegInput, options?: FfmpegCommandOptions): FfmpegCommand;
    (input?: FfmpegInput, options?: FfmpegCommandOptions): FfmpegCommand;
    prototype: FfmpegCommand;
    setFfmpegPath(p: string): void;
    setFfprobePath(p: string): void;
    setFlvtoolPath(p: string): void;
    availableFilters(callback: (err: Error | null, filters?: Record<string, FilterInfo>) => void): void;
    getAvailableFilters(callback: (err: Error | null, filters?: Record<string, FilterInfo>) => void): void;
    availableCodecs(callback: (err: Error | null, codecs?: Record<string, CodecInfo>) => void): void;
    getAvailableCodecs(callback: (err: Error | null, codecs?: Record<string, CodecInfo>) => void): void;
    availableFormats(callback: (err: Error | null, formats?: Record<string, FormatInfo>) => void): void;
    getAvailableFormats(callback: (err: Error | null, formats?: Record<string, FormatInfo>) => void): void;
    availableEncoders(callback: (err: Error | null, encoders?: Record<string, EncoderInfo>) => void): void;
    getAvailableEncoders(callback: (err: Error | null, encoders?: Record<string, EncoderInfo>) => void): void;
    ffprobe(file: string, callback: FfprobeCallback): void;
    ffprobe(file: string, options: string[], callback: FfprobeCallback): void;
    ffprobe(file: string, index: number, callback: FfprobeCallback): void;
    ffprobe(file: string, index: number, options: string[], callback: FfprobeCallback): void;
}
/**
 * Resolve the bundled `presets/` directory path in a way that survives
 * both the regular CJS dist (where `__dirname` is defined) and the
 * ESM-bundler scenario (SvelteKit / Vite SSR / esbuild ESM mode) where
 * a downstream tool re-emits our compiled CJS as part of an ESM bundle
 * and `__dirname` is undefined. See issue #43 / upstream #1283.
 *
 * The `dirname` parameter exists for testability — production callers
 * pass the default (current `__dirname` if defined, else undefined).
 *
 * In the ESM-bundle branch we return the relative string `'presets'`
 * rather than trying to recover the absolute path from `import.meta`:
 * indirect-`eval` of an `import.meta` reference is parsed as Script and
 * always SyntaxErrors, so any such recovery is dead code in practice.
 * The relative-path fallback lets module load succeed; preset loading
 * will surface the existing 'preset … could not be loaded' error
 * instead of crashing the import with `ReferenceError`.
 */
export declare function resolveBundledPresetsDir(dirname?: string | undefined): string;
declare const FfmpegCommand: FfmpegCommandStatic;
export default FfmpegCommand;
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