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> Unreal Engine API Reference > Plugins > Niagara > FNiagaraDataInterfaceProxyOscilloscope

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FNiagaraDataInterfaceProxyOscilloscope

Copyright Epic Games, Inc. All Rights Reserved.

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Inheritance Hierarchy

TSharedFromThis

FNiagaraDataInterfaceProxy

FNiagaraDataInterfaceProxyOscilloscope

References

Module	Niagara
Header	/Engine/Plugins/FX/Niagara/Source/Niagara/Classes/NiagaraDataInterfaceAudioOscilloscope.h
Include	#include "NiagaraDataInterfaceAudioOscilloscope.h"

Syntax

struct FNiagaraDataInterfaceProxyOscilloscope : public FNiagaraDataInterfaceProxy

Remarks

Constructors

	Name	Description
	FNiagaraDataInterfaceProxyOscilloscope ( int32 InResolution, float InScopeInMillseconds )

Destructors

	Name	Description
	~FNiagaraDataInterfaceProxyOscilloscope()

Functions

	Name	Description
FReadBuffer ...	ComputeAndPostSRV()
int32	DownsampleAudioToBuffer()	This function pops audio and downsamples it to our specified resolution. Returns the number of frames of audio in the downsampled buffer.
int32	GetNumChannels()
void	OnBeginDestroy()
void	OnUpdateResampling ( int32 InResolution, float InScopeInMilliseconds )	Called when Resolution or Zoom are changed.
void	OnUpdateSubmix ( USoundSubmix* Submix )	Called when the Submix property changes.
void	PostAudioToGPU()	This function enqueues a render thread command to decimate the pop audio off of the SubmixListener, downsample it, and post it to the GPUAudioBuffer.
void	RegisterToAllAudioDevices()
float	SampleAudio ( float NormalizedPositionInBuffer, int32 Channel, int32 NumFramesInBuffer, int32 NumChannelsInBuffer )	Sample vertical displacement from the oscilloscope buffer.
void	UnregisterFromAllAudioDevices ( USoundSubmix* Submix )

Overridden from FNiagaraDataInterfaceProxy

		Name	Description
	int32	PerInstanceDataPassedToRenderThreadSize()

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