import { CBARCameraResolution } from "../../CBARContext";
export declare const isPortrait: boolean;
export declare type CBARVideoSettings = {
    deviceId: string;
    sourceWidth: number;
    sourceHeight: number;
    displayWidth: number;
    displayHeight: number;
};
export default class CBARVideoCapture {
    readonly video: HTMLVideoElement;
    private track;
    constructor();
    captureWidth: number;
    captureHeight: number;
    setSourceSize(width: number, height: number): void;
    started: boolean;
    start(resolution: CBARCameraResolution, facing: string | undefined): Promise<void | null>;
    stop(): void;
    processFrame(displayCanvas: HTMLCanvasElement): void;
    get resolution(): [number, number] | undefined;
}