UAudioDeviceNotificationSubsystem

[UAudioDeviceNotificationSubsystem](API\Runtime\AudioMixer\UAudioDeviceNotificationSubsyste-)

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Inheritance Hierarchy

UEngineSubsystem

IAudioMixerDeviceChangedListener

UAudioDeviceNotificationSubsystem

References

Module	AudioMixer
Header	/Engine/Source/Runtime/AudioMixer/Public/AudioDeviceNotificationSubsystem.h
Include	#include "AudioDeviceNotificationSubsystem.h"

Syntax

class UAudioDeviceNotificationSubsystem :
public UEngineSubsystem,
public Audio::IAudioMixerDeviceChangedListener

Remarks

Variables

	Name	Description
FOnAudioDefault...	DefaultCaptureDeviceChanged	Multicast delegate triggered when default capture device changes
FOnAudioDefault...	DefaultCaptureDeviceChangedNative	Multicast delegate triggered when default capture device changes (native code only)
FOnAudioDefault...	DefaultRenderDeviceChanged	Multicast delegate triggered when default render device changes
FOnAudioDefault...	DefaultRenderDeviceChangedNative	Multicast delegate triggered when default render device changes (native code only)
FOnAudioDeviceC...	DeviceAdded	Multicast delegate triggered when a device is added
FOnAudioDeviceC...	DeviceAddedNative	Multicast delegate triggered when a device is added (native code only)
FOnAudioDeviceC...	DeviceRemoved	Multicast delegate triggered when a device is removed
FOnAudioDeviceC...	DeviceRemovedNative	Multicast delegate triggered when a device is removed (native code only)
FOnAudioDeviceS...	DeviceStateChanged	Multicast delegate triggered on device state change
FOnAudioDeviceS...	DeviceStateChangedNative	Multicast delegate triggered on device state change (native code only)
FOnAudioDeviceC...	DeviceSwitched	Multicast delegate triggered on device switch
FOnAudioDeviceC...	DeviceSwitchedNative	Multicast delegate triggered on device switch (native code only)

Destructors

	Name	Description
	~UAudioDeviceNotificationSubsystem()

Functions

		Name	Description
	UAudioDevice...	Get()
	EAudioDevice...	GetDeviceChangedRole ( Audio::EAudioDeviceRole InRole )
	EAudioDevice...	GetDeviceChangedState ( Audio::EAudioDeviceState InState )
	void	OnDeviceSwitched ( const FString& DeviceId )

Overridden from USubsystem

		Name	Description
	void	Deinitialize()	Implement this for deinitialization of instances of the system
	void	Initialize ( FSubsystemCollectionBase& Collecti... )	Implement this for initialization of instances of the system

Overridden from IAudioMixerDeviceChangedListener

		Name	Description
	void	OnDefaultCaptureDeviceChanged ( const Audio::EAudioDeviceRole InAud..., const FString& DeviceId )
	void	OnDefaultRenderDeviceChanged ( const Audio::EAudioDeviceRole InAud..., const FString& DeviceId )
	void	OnDeviceAdded ( const FString& DeviceId, bool bIsRenderDevice )
	void	OnDeviceRemoved ( const FString& DeviceId, bool bIsRenderDevice )
	void	OnDeviceStateChanged ( const FString& DeviceId, const Audio::EAudioDeviceState InSt..., bool bIsRenderDevice )