import { MLProvidersManager } from './ml-providers-manager';
import { IVideoEffect, IVideoProcessingPipeline, PerformanceConfig, PipelineConfig, PipelineState, QualityPreset } from '../types';

type InternalPipelineConfig = PipelineConfig & {
    width: number;
    height: number;
    processorType: 'auto' | 'canvas' | 'insertable-streams';
    performance: PerformanceConfig;
};
export declare const QUALITY_PRESETS: Record<Exclude<QualityPreset, 'custom'>, Required<Omit<PerformanceConfig, 'preset'>>>;
export declare const DEFAULT_CONFIG: InternalPipelineConfig;
export declare class VideoProcessingPipelineService implements IVideoProcessingPipeline {
    private config;
    private frameSource;
    private frameOutput;
    private providers;
    private effects;
    private sourceCanvas;
    private sourceCtx;
    private workCanvas;
    private workCtx;
    private mlCanvas;
    private mlCtx;
    private running;
    private animationFrameId;
    private isProcessingFrame;
    private pendingDimensions;
    private boundHandleDimensionsChanged;
    private mlFrameSkip;
    private mlFrameCounter;
    private frameInterval;
    private mlResolutionScale;
    private lastFrameTime;
    private frameCount;
    private fpsUpdateTime;
    private currentFps;
    private adaptiveEnabled;
    private lowFpsCount;
    private adaptiveCheckInterval;
    private lastAdaptiveCheck;
    private static readonly PRESET_DOWNGRADE_CHAIN;
    constructor(config?: PipelineConfig);
    getProvidersManager(): MLProvidersManager;
    setPerformanceConfig(config: PerformanceConfig): void;
    getPerformanceConfig(): PerformanceConfig;
    start(inputTrack: MediaStreamTrack): Promise<void>;
    private handleDimensionsChanged;
    private applyDimensionsChange;
    stop(): void;
    dispose(): void;
    getOutputTrack(): MediaStreamTrack | null;
    addEffect(effect: IVideoEffect): Promise<void>;
    removeEffect(name: string): void;
    getEffect<T extends IVideoEffect>(name: string): T | null;
    getEffects(): IVideoEffect[];
    reorderEffects(order: string[]): void;
    isRunning(): boolean;
    getState(): PipelineState;
    private scheduleNextFrame;
    private processFrame;
    private renderFrame;
    private captureImageData;
    private applyEffectsChain;
    private checkAdaptivePerformance;
    private downgradePreset;
    private initializeCanvases;
    private initializeMlCanvas;
    private applyPerformanceConfig;
    private resolvePerformanceConfig;
    private updateBlurQuality;
    private upscaleSegmentation;
    private disposeMlCanvas;
    private disposeCanvases;
}
export {};