CMIODeviceSMPTETimeCallback Declarationstruct CMIODeviceSMPTETimeCallback TopicsInitializersinit()init(mGetSMPTETimeProc:mRefCon:)Instance PropertiesmGetSMPTETimeProcmRefCon RelationshipsConforms ToBitwiseCopyable See AlsoStructuresCMIODeviceAVCCommandCMIODeviceRS422CommandCMIODeviceStreamConfigurationCMIOObjectPropertyAddressCMIOStreamDeckCMIOStreamScheduledOutputNotificationProcAndRefCon