import Destroyable from '../destroyable/Destroyable';
import EventController from '../eventcontroller/EventController';
import VideoFrameBuffer from './VideoFrameBuffer';
/**
 * [[VideoFrameProcessor]] is defined as a unit of video processing.
 * It transforms an array of {@link VideoFrameBuffer} and produces an array of {@link VideoFrameBuffer}.
 * It can be chained together to be used with {@link VideoFrameProcessorPipeline}.
 */
export default interface VideoFrameProcessor extends Destroyable {
    /**
     * Processes the array of {@link VideoFrameBuffer} and returns an array of {@link VideoFrameBuffer}.
     */
    process(buffers: VideoFrameBuffer[]): Promise<VideoFrameBuffer[]>;
    /**
     * Destroys the processor.
     */
    destroy(): Promise<void>;
    /**
     * Set the {@link EventController} to the VideoFrameProcessor
     * @param eventController
     */
    setEventController?(eventController: EventController): void;
}