/// <reference types="node" />
import { EventEmitter } from 'events';
import { OpenCLBuffer } from 'nodencl';
import { RedioPipe, RedioEnd } from 'redioactive';
import { Frame } from 'beamcoder';
import { Producer } from './producer/producer';
export declare class Layer {
    private readonly endEvent;
    private mixerParams;
    private background;
    private foreground;
    private channelUpdate;
    private autoPlay;
    constructor();
    load(producer: Producer, preview: boolean, autoPlay: boolean, channelUpdate: () => void): Promise<boolean>;
    play(): Promise<void>;
    pause(): void;
    resume(): void;
    stop(): Promise<void>;
    anchor(params: string[]): void;
    rotation(params: string[]): void;
    fill(params: string[]): void;
    volume(params: string[]): void;
    getAudioPipe(): RedioPipe<Frame | RedioEnd> | undefined;
    getVideoPipe(): RedioPipe<OpenCLBuffer | RedioEnd> | undefined;
    getEndEvent(): EventEmitter;
}