/**
 * VideoDecode wait frame num.
 */
export declare const VIDEO_DECODE_WAIT_FRAME = 3;
/**
 * NAL unit length. [ 0, 0, 0, 1 ]
 */
export declare const NALU_HEADER_LENGTH = 4;
/**
 * Web safe font.
 */
export declare const WEB_SAFE_FONT = "Arial";
/**
 * Default render canvas size.
 */
export declare const DEFAULT_CANVAS_SIZE = 2560;
/**
 * Default WebGL ContextAttributes
 */
export declare const WEBGL_CONTEXT_ATTRIBUTES: {
    depth: boolean;
    stencil: boolean;
    antialias: boolean;
};
export declare const VIDEO_PLAYBACK_RATE_MIN = 0.125;
export declare const VIDEO_PLAYBACK_RATE_MAX = 4;
export declare const CANVAS_POOL_MAX_SIZE = 10;