/**
 * Clock - Audio/Video synchronization clock
 * Uses audio as the master clock when available for smooth 60Hz playback
 */
export interface AudioClockProvider {
    getAudioClock(): number;
    hasHealthyBuffer(): boolean;
    isAudioPlaying(): boolean;
}
export declare class Clock {
    private baseTime;
    private pausedTime;
    private isRunning;
    private playbackRate;
    private audioProvider;
    private syncedToAudio;
    private lastAudioTime;
    private duration;
    /**
     * Set audio clock provider for master A/V sync
     * Pass null to disable audio sync and use wall clock only
     */
    setAudioProvider(provider: AudioClockProvider | null): void;
    /**
     * Set media duration for clock clamping
     */
    setDuration(duration: number): void;
    /**
     * Start/resume the clock
     */
    start(): void;
    /**
     * Pause the clock
     */
    pause(): void;
    /**
     * Seek to a specific time
     */
    seek(time: number): void;
    /**
     * Get current playback time using wall clock with loose A/V sync
     * Uses wall clock for smooth timing, with periodic drift correction from audio
     * This ensures smooth video playback while maintaining A/V sync
     */
    getTime(): number;
    /**
     * Get time for video frame presentation
     * Returns audio time if available, otherwise wall clock
     */
    getVideoSyncTime(): number;
    /**
     * Set playback rate
     */
    setPlaybackRate(rate: number): void;
    /**
     * Get playback rate
     */
    getPlaybackRate(): number;
    /**
     * Check if clock is running
     */
    isPlaying(): boolean;
    /**
     * Check if synchronized to audio
     */
    isSyncedToAudio(): boolean;
    /**
     * Reset clock
     */
    reset(): void;
}
//# sourceMappingURL=Clock.d.ts.map