export declare const imageColorMode: {
    readonly gray: 0;
    readonly bgr: 1;
    readonly bgra: 2;
    readonly rgb: 3;
    readonly rgba: 4;
};
export declare const imageCompressMode: {
    readonly raw: 0;
    readonly jpeg: 1;
    readonly webp: 2;
    readonly png: 3;
};
export declare class ImageFrame {
    width: number;
    height: number;
    data: ArrayBuffer;
    colorMode: number;
    compressMode: number;
    constructor(width?: number, height?: number, data?: ArrayBuffer, colorMode?: number, compressMode?: number);
    toBase64(): string;
}
export interface ImageReq {
    width?: number;
    height?: number;
    colorMode?: number;
    compressMode?: number;
    quality?: number;
    frameRate?: number;
}