@class NSXPCListenerEndpoint, MPAVRoutingController, MPCPlaybackIntent, MPCQueueController, NSError, _MPCMediaRemotePublisher, NSString, _MPCReportingController, MPProtocolProxy, MPAVRoute, MPCAudioSpectrumAnalyzer, _MPCMusicPlayerControllerServer, _MPCLeaseManager, _MPCPlaybackEnginePlayer, _MPCPlaybackEngineSessionManager, MPCPlaybackEngineEventStream, MPCWhiskyController; @protocol _MPCPlaybackEngineEventObserving, MPCPlaybackEngineActiveItem, MPCPlaybackEngineDelegate, MPCVideoOutput, MPCPlaybackEngineInitializationParameters; @interface MPCPlaybackEngine : NSObject <MPCQueueControllerDelegate, MPCQueueControllerBehaviorMusicDelegate, MPCQueueControllerBehaviorMusicSharePlayDelegate, MPCContentAgeRequirementDelegate, MPAVRoutingControllerDelegate, MPCQueueControllerPlaybackEngine> @property (nonatomic, getter=hasScheduledPlaybackStatePreservation) BOOL scheduledPlaybackStatePreservation; @property (nonatomic) BOOL needsUISnapshot; @property (readonly, nonatomic) MPProtocolProxy<_MPCPlaybackEngineEventObserving> *eventObserver; @property (readonly, nonatomic) _MPCPlaybackEnginePlayer *player; @property (readonly, nonatomic) _MPCMediaRemotePublisher *mediaRemotePublisher; @property (readonly, nonatomic) _MPCMusicPlayerControllerServer *musicPlayerControllerServer; @property (readonly, nonatomic) _MPCPlaybackEngineSessionManager *sessionManager; @property (retain, nonatomic) MPCQueueController *queueController; @property (readonly, nonatomic) MPCPlaybackEngineEventStream *eventStream; @property (readonly, nonatomic) _MPCReportingController *reportingController; @property (readonly, nonatomic) _MPCLeaseManager *leaseManager; @property (readonly, nonatomic) id<MPCVideoOutput> videoOutput; @property (readonly, copy, nonatomic) NSString *targetContentItemID; @property (readonly, copy, nonatomic) id<MPCPlaybackEngineActiveItem> activeItem; @property (retain, nonatomic) id swiftStorage; @property (readonly, nonatomic) id<MPCPlaybackEngineInitializationParameters> initializationParameters; @property (nonatomic, getter=isSystemMusicApplication) BOOL systemMusicApplication; @property (nonatomic, getter=isSystemPodcastsApplication) BOOL systemPodcastsApplication; @property (copy, nonatomic) NSString *audioSessionCategory; @property (nonatomic) unsigned long long audioSessionOptions; @property (nonatomic, getter=isAudioAnalyzerEnabled) BOOL audioAnalyzerEnabled; @property (readonly, nonatomic) MPCAudioSpectrumAnalyzer *audioAnalyzer; @property (readonly, nonatomic) MPAVRoutingController *routingController; @property (readonly, nonatomic) MPAVRoute *pickedRoute; @property (nonatomic, getter=isVocalAttenuationEnabled) BOOL vocalAttenuationEnabled; @property (nonatomic) float vocalLevel; @property (readonly, nonatomic) MPCWhiskyController *vocalAttenuationController; @property (readonly, nonatomic, getter=isVocalAttenuationAvailable) BOOL vocalAttenuationAvailable; @property (readonly, nonatomic) double currentAudioProcessingDelay; @property (readonly, nonatomic) NSXPCListenerEndpoint *serverEndpoint; @property (readonly, copy, nonatomic) NSString *playerID; @property (readonly, copy, nonatomic) NSString *engineID; @property (weak, nonatomic) id<MPCPlaybackEngineDelegate> delegate; @property (readonly, nonatomic, getter=isStarted) BOOL started; @property (nonatomic, getter=isPictureInPictureSupported) BOOL pictureInPictureSupported; @property (nonatomic, getter=isVideoSupported) BOOL videoSupported; @property (nonatomic) BOOL disableAutoPlay; @property (nonatomic) BOOL disableRepeat; @property (nonatomic) BOOL disableShuffle; @property (retain, nonatomic) MPCPlaybackIntent *fallbackPlaybackIntent; @property (nonatomic, getter=isStateRestorationSupported) BOOL stateRestorationSupported; @property (nonatomic, getter=isQueueHandoffSupported) BOOL queueHandoffSupported; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; @property (readonly, copy, nonatomic) NSString *hostingSharedSessionID; + (void)preheatPlayback; - (void)becomeActive; - (id)initWithPlayerID:(id)a0; - (void)queueControllerDidReachUnexpectedEndOfQueue:(id)a0; - (void)dealloc; - (void)behavior:(id)a0 didChangeShuffleType:(long long)a1; - (void)start; - (void)behavior:(id)a0 didChangeExplicitContentState:(long long)a1; - (void)behavior:(id)a0 didEndSharePlaySessionWithReason:(long long)a1; - (void)queueControllerDidChangeContents:(id)a0; - (void)queueController:(id)a0 didDetectMismatchForActiveContentItemID:(id)a1 targetContentItemID:(id)a2; - (void)invalidate; - (void)_detectCrashLoopForSessionIdentifier:(id)a0 block:(id /* block */)a1; - (void)schedulePlaybackStatePreservation; - (BOOL)skipWithDirectionShouldJumpToItemStart:(long long)a0; - (void)removeEngineObserver:(id)a0; - (void)queueController:(id)a0 didIncrementVersionForSegment:(id)a1; - (void)routingController:(id)a0 pickedRouteDidChange:(id)a1; - (void).cxx_destruct; - (void)beginScanningWithDirection:(long long)a0 identifier:(NSString *)a1 completion:(void (^)(NSError *))a2; - (void)addEngineObserver:(id)a0; - (void)behavior:(id)a0 didChangeRepeatType:(long long)a1; - (void)restoreStateWithCompletion:(id /* block */)a0; - (void)reportUserSeekFromTime:(double)a0 toTime:(double)a1; - (void)requestAuthorizationForExplicitItem:(id)a0 reason:(long long)a1 completion:(id /* block */)a2; - (void)loadSessionWithIdentifier:(NSString *)a0 completion:(void (^)(NSError *))a1; - (void)behavior:(id)a0 didChangeActionAtQueueEnd:(long long)a1; - (void)_initializePlaybackStack; - (BOOL)_shouldIgnorePlaybackSessionError:(id)a0; - (void)reportUserBackgroundedApplication; - (id)initWithParameters:(id)a0; - (void)initializeSwiftStack; - (double)mapPlaybackTimeToUserTime:(double)a0; - (void)queueController:(id)a0 didChangeTargetContentItemID:(id)a1; - (double)mapUserTimeToPlaybackTime:(double)a0; - (void)reloadQueueForReason:(long long)a0 completion:(void (^)(NSError *))a1; - (void)behavior:(id)a0 didReceiveSharedListeningEvent:(id)a1; @end