Previous OpenTok iOS SDK 2.3.0 Hierarchy Class Hierarchy NSError OTError NSObject OTAudioDeviceManager OTAudioFormat OTConnection OTPublisherKit OTPublisher OTSession OTStream OTSubscriberKit OTSubscriber OTVideoFormat OTVideoFrame Protocol References OTAudioBus OTAudioDevice OTPublisherDelegate OTPublisherKitAudioLevelDelegate OTPublisherKitDelegate OTSessionDelegate OTSubscriberDelegate OTSubscriberKitAudioLevelDelegate OTSubscriberKitDelegate OTVideoCapture OTVideoCaptureConsumer OTVideoRender Constant References OTPixelFormat OTPublisherErrorCode OTSessionConnectionStatus OTSessionErrorCode OTSubscriberErrorCode OTSubscriberVideoEventReason OTVideoOrientation Previous