export declare function getMimeTypeFromExtension(ext: string): string;
export declare function getExtensionFromMimeType(mimeType: string): string;
export declare function getInputExtension(binaryData: {
    fileName?: string;
    mimeType?: string;
    fileExtension?: string;
}): string;
export declare function normalizeExtension(ext: string): string;
export declare function colorToAssFormat(color: string): string;
export declare function buildAtempoFilter(speed: number): string;
export interface MediaMetadata {
    duration?: string;
    durationSeconds?: number;
    bitrate?: string;
    videoCodec?: string;
    audioCodec?: string;
    width?: number;
    height?: number;
    fps?: number;
    sampleRate?: number;
    channels?: string;
    format?: string;
}
export declare function parseMetadataFromLogs(logs: string): MediaMetadata;
export interface SocialMediaPreset {
    width: number;
    height: number;
    maxDuration?: number;
    videoBitrate: string;
    audioBitrate: string;
    fps: number;
}
export declare const SOCIAL_MEDIA_PRESETS: Record<string, SocialMediaPreset>;