import { clContext as nodenCLContext } from 'nodencl';
import { Layer } from './layer';
import { RedioPipe, RedioEnd } from 'redioactive';
import { OpenCLBuffer } from 'nodencl';
import { Frame } from 'beamcoder';
import { VideoFormat } from './config';
import { ClJobs } from './clJobQueue';
export declare class CombineLayer {
    private readonly layer;
    private readonly audioPipe;
    private readonly videoPipe;
    private readonly endEvent;
    private audioStarted;
    private videoStarted;
    private audioEnd;
    private videoEnd;
    constructor(layer: Layer, audPipe: RedioPipe<Frame | RedioEnd>, vidPipe: RedioPipe<OpenCLBuffer | RedioEnd>);
    getLayer(): Layer;
    getAudioPipe(): RedioPipe<Frame | RedioEnd>;
    getVideoPipe(): RedioPipe<OpenCLBuffer | RedioEnd>;
    checkAudio(frame: Frame | RedioEnd): boolean;
    checkVideo(frame: OpenCLBuffer | RedioEnd): boolean;
}
export declare class Combiner {
    private readonly clContext;
    private readonly chanID;
    private readonly consumerFormat;
    private readonly clJobs;
    private lastNumAudLayers;
    private lastNumVidLayers;
    private numConsumers;
    private audCombiner;
    private vidCombiner;
    private audioPipe;
    private videoPipe;
    private combineLayers;
    private audLayerPipes;
    private vidLayerPipes;
    constructor(clContext: nodenCLContext, chanID: string, consumerFormat: VideoFormat, clJobs: ClJobs);
    initialise(): Promise<void>;
    makeAudCombiner(numLayers: number): Promise<void>;
    makeVidCombiner(numLayers: number): Promise<void>;
    updateLayers(layers: CombineLayer[]): void;
    addConsumer(): void;
    removeConsumer(): void;
    getAudioPipe(): RedioPipe<Frame | RedioEnd> | undefined;
    getVideoPipe(): RedioPipe<OpenCLBuffer | RedioEnd> | undefined;
}