import type { ParsedSource, QualityLevel } from '@vizor-vr/shared';
import type { PlayerState } from '../core/player-state.js';
import type { VzEventEmitter } from '../core/event-emitter.js';
import type { DrmContext } from './types.js';
/**
 * Manages source selection and streaming adapter lifecycle.
 *
 * Responsibilities:
 * - Detect MIME type to determine adapter type (progressive/hls/dash)
 * - Instantiate the correct adapter via lazy-loaded factory
 * - Coordinate quality switching with PlayerState
 * - Handle multi-source progressive switching (preserves currentTime)
 */
export declare class SourceManager {
    private adapter;
    private videoElement;
    private state;
    private events;
    private sources;
    private drm;
    /**
     * Load sources into the video element using the appropriate adapter.
     */
    loadSources(sources: ParsedSource[], videoElement: HTMLVideoElement, state: PlayerState, events: VzEventEmitter, drm?: DrmContext): Promise<void>;
    /** Get available quality levels from the current adapter */
    getQualityLevels(): QualityLevel[];
    /** Set quality level (-1 for auto) */
    setQualityLevel(index: number): void;
    /** Whether the current adapter supports ABR */
    get supportsABR(): boolean;
    /** Switch to a different progressive source by index (preserves currentTime) */
    switchSource(index: number): void;
    /** Dispose the adapter and release resources */
    dispose(): void;
    /**
     * Select the best source and adapter type.
     * Prefers adaptive (HLS/DASH) over progressive when available.
     */
    private selectSource;
    /** Detect adapter type from source MIME type or URL extension */
    private detectAdapterType;
    /**
     * Poll for quality levels after a short delay.
     * Adaptive adapters need time to parse the manifest before levels are available.
     */
    private pollQualityLevels;
}
//# sourceMappingURL=source-manager.d.ts.map