@class NSHashTable, NSString, SNAudioStreamAnalyzer, NviAudioFileWriter, NviDataLogger, NviDirectionalitySignalData, NSMutableDictionary, NSObject, NviContext; @protocol NviAssetsProvider, OS_dispatch_queue, NviAudioDataSource; @interface NviDirectionalitySignalProvider : NSObject <NviAudioDataReceiver, SNResultsObserving, NviSignalProvider> @property (retain, nonatomic) id<NviAudioDataSource> dataSrc; @property (retain, nonatomic) id<NviAssetsProvider> assetsProvider; @property (retain, nonatomic) NviContext *nviCtx; @property (retain, nonatomic) NSHashTable *delegates; @property (retain, nonatomic) SNAudioStreamAnalyzer *snAudioStreamAnalyzer; @property (nonatomic) float dirAzimuthEMAParam; @property (nonatomic) long long currReqFirstSampleId; @property (nonatomic) unsigned long long currNumSamplesProcessed; @property (nonatomic) float currEstimatedAzimuth; @property (retain, nonatomic) NviDirectionalitySignalData *dirSigData; @property (retain, nonatomic) NviDataLogger *sigDataWriter; @property (nonatomic) BOOL doneProcessing; @property (retain, nonatomic) NviAudioFileWriter *audioFileWriter; @property (retain, nonatomic) NSMutableDictionary *azDistribution; @property (retain, nonatomic) NSObject<OS_dispatch_queue> *queue; @property (readonly, nonatomic) BOOL receiveOnlyProcessedChannelData; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; @property (readonly, nonatomic) unsigned long long sigType; - (void)request:(id)a0 didFailWithError:(id)a1; - (void)reset; - (void)dealloc; - (void)removeDelegate:(id)a0; - (void)addDelegate:(id)a0; - (void).cxx_destruct; - (void)request:(id)a0 didProduceResult:(id)a1; - (void)audioChunkAvailable:(id)a0 numChannels:(unsigned long long)a1 numSamplesPerChannel:(unsigned long long)a2 startSampleId:(unsigned long long)a3 atAbsMachTimestamp:(unsigned long long)a4; - (id)initWithDataSource:(id)a0 assetsProvider:(id)a1; - (void)startWithNviContext:(id)a0 didStartHandler:(id /* block */)a1; - (void)stopWithDidStopHandler:(id /* block */)a0; @end