import { type ValidateRule } from 'trtc-js-sdk-core';
import type { RemoteVideoTrack } from 'trtc-js-sdk-core/src/track/remote-video-track';
import type { VideoDecodeProcessor, VideoDecodeProcessorParam } from 'trtc-js-sdk-core/src/manager/video-manager';
import { type DecodeContextOption, type DecodeContext } from 'trtc-js-sdk-core/src/manager/video-decoder';
import type { Core, IPlugin } from 'trtc-js-sdk-core/src/plugin';
export type HardwareAcceleration = 'prefer-hardware' | 'prefer-software' | 'no-preference';
export interface VideoDecoderConfig {
  codec: string;
  hardwareAcceleration?: HardwareAcceleration;
}
type StartOption = Omit<DecodeContextOption, 'createDecoder'>;
interface UpdateOption extends Omit<StartOption, 'type'> {
  type: 'webCodecs' | 'wasm' | 'mse' | 'auto' | 'mock';
}
interface StopOption {
  track: RemoteVideoTrack;
}
export declare class TRTCVideoDecoder implements IPlugin {
  core: Core;
  static Name: string;
  contextMap: Map<RemoteVideoTrack, DecodeContext>;
  decodeProcessorMap: WeakMap<RemoteVideoTrack, VideoDecodeProcessor>;
  constructor(core: Core);
  getAlias(): string;
  getGroup(option: StartOption): string;
  getName(): string;
  getValidateRule(method: 'start' | 'update' | 'stop'): ValidateRule | ValidateRule[];
  private createDecoder;
  start(option: StartOption): void;
  decode(option: StartOption): ({ frame, track }: VideoDecodeProcessorParam) => RTCEncodedVideoFrame | undefined;
  stop(option: StopOption): void;
  update(option: UpdateOption): void;
}

export default TRTCVideoDecoder;