/// <reference types="dom-webcodecs" />
import { StreamMetadata } from "./types/graph";
interface DataFormatMap {
    pixel: {
        ff: string;
        web: VideoPixelFormat;
    }[];
    sample: {
        ff: string;
        web: AudioSampleFormat;
    }[];
}
export declare const dataFormatMap: DataFormatMap;
export declare function formatFF2Web<T extends 'pixel' | 'sample'>(type: T, format: string): typeof dataFormatMap[T][0]['web'];
export declare function formatWeb2FF<T extends 'pixel' | 'sample'>(type: T, format: typeof dataFormatMap[T][0]['web']): string;
interface StreamArgs {
    frameRate?: number;
}
export declare function webFrameToStreamMetadata(frame: VideoFrame | AudioData, args: StreamArgs): StreamMetadata;
export {};