/**
 * useAudioLevels Hook
 * React hook for VU meter / audio level monitoring
 * Provides real-time audio levels from the AudioMixer
 */
import type { IngestControllerV2 } from "@livepeer-frameworks/streamcrafter-core";
export interface AudioLevels {
    level: number;
    peakLevel: number;
}
export interface UseAudioLevelsOptions {
    /** IngestControllerV2 instance to monitor */
    controller: IngestControllerV2 | null;
    /** Whether to automatically start monitoring (default: true) */
    autoStart?: boolean;
}
export interface UseAudioLevelsReturn {
    /** Current audio levels */
    levels: AudioLevels;
    /** Whether level monitoring is active */
    isMonitoring: boolean;
    /** Start level monitoring */
    startMonitoring: () => void;
    /** Stop level monitoring */
    stopMonitoring: () => void;
}
/**
 * Hook for monitoring audio levels (VU meter)
 *
 * @example
 * ```tsx
 * const { controller } = useStreamCrafterV2({ whipUrl });
 * const { levels, isMonitoring } = useAudioLevels({ controller });
 *
 * return (
 *   <div className="vu-meter">
 *     <div style={{ width: `${levels.level * 100}%` }} />
 *   </div>
 * );
 * ```
 */
export declare function useAudioLevels(options: UseAudioLevelsOptions): UseAudioLevelsReturn;