state DeclarationIOAudioEngineState state; OverviewThe current state of the IOAudioEngine - running, stopped, paused. See AlsoInstance VariablesworkLoopuserClientsstatussampleRaterunEraseHeadoutputStreamsnumSampleFramesPerBuffernumErasesPerBuffernumActiveUserClientsisRegisteredinputStreamsdeviceStartedAudioEnginedefaultAudioControlsconfigurationChangeInProgresscommandGateaudioEngineStopPositionaudioDevice