Audio::FStateVariableFilter Class Reference

#include <Filter.h>

Inheritance diagram for Audio::FStateVariableFilter:

Classes
struct	FFilterState

Public Member Functions
SIGNALPROCESSING_API	FStateVariableFilter ()
virtual SIGNALPROCESSING_API	~FStateVariableFilter ()
virtual SIGNALPROCESSING_API void	Init (const float InSampleRate, const int32 InNumChannels, const int32 InVoiceId=0, FModulationMatrix *InModMatrix=nullptr) override
virtual SIGNALPROCESSING_API void	SetBandStopControl (const float InBandStop) override
virtual SIGNALPROCESSING_API void	Reset () override
virtual SIGNALPROCESSING_API void	Update () override
virtual SIGNALPROCESSING_API void	ProcessAudio (const float *InSamples, const int32 InNumSamples, float *OutSamples) override
virtual SIGNALPROCESSING_API void	ProcessAudio (const float *const *InBuffers, const int32 InNumSamples, float *const *OutBuffers) override
SIGNALPROCESSING_API void	ProcessAudio (const float *InSamples, const int32 InNumSamples, float *LpfOutput, float *HpfOutput, float *BpfOutput, float *BsfOutput)
SIGNALPROCESSING_API void	ProcessAudio (const float *const *InBuffers, const int32 InNumSamples, float *const *LpfOutBuffers, float *const *HpfOutBuffers, float *const *BpfOutBuffers, float *const *BsfOutBuffers)
SIGNALPROCESSING_API void	ArrayCalculateResponseInPlace (TArrayView< float > InOutComplexValues) const
Public Member Functions inherited from Audio::IFilter
SIGNALPROCESSING_API	IFilter ()
SIGNALPROCESSING_API	IFilter (const IFilter &)
virtual SIGNALPROCESSING_API	~IFilter ()
virtual SIGNALPROCESSING_API void	SetFrequency (const float InCutoffFrequency)
virtual SIGNALPROCESSING_API void	SetFrequencyMod (const float InModFrequency)
virtual SIGNALPROCESSING_API void	SetQ (const float InQ)
virtual SIGNALPROCESSING_API void	SetQMod (const float InModQ)
virtual void	SetSaturation (const float InSaturation)
virtual void	SetPassBandGainCompensation (const float InPassBandGainCompensation)
virtual SIGNALPROCESSING_API void	SetFilterType (const EFilter::Type InFilterType)
virtual void	ProcessAudioFrame (const float *InFrame, float *OutFrame)
FPatchDestination	GetModDestCutoffFrequency () const
FPatchDestination	GetModDestQ () const

Protected Attributes
float	InputScale
float	A0
float	Feedback
float	BandStopParam
TArray< FFilterState >	FilterState
Protected Attributes inherited from Audio::IFilter
int32	VoiceId
float	SampleRate
int32	NumChannels
float	Frequency
float	BaseFrequency
float	ModFrequency
float	ExternalModFrequency
float	Q
float	ModQ
float	BaseQ
float	ExternalModQ
EFilter::Type	FilterType
FModulationMatrix *	ModMatrix
FPatchDestination	ModCutoffFrequencyDest
FPatchDestination	ModQDest
bool	bChanged

Additional Inherited Members
Protected Member Functions inherited from Audio::IFilter
float	GetGCoefficient () const

Constructor & Destructor Documentation

FStateVariableFilter()

Audio::FStateVariableFilter::FStateVariableFilter

(

)

~FStateVariableFilter()

Audio::FStateVariableFilter::~FStateVariableFilter ( )

virtual

Member Function Documentation

ArrayCalculateResponseInPlace()

void Audio::FStateVariableFilter::ArrayCalculateResponseInPlace

(

TArrayView< float >

InOutComplexValues

)

const

Init()

void Audio::FStateVariableFilter::Init ( const float  InSampleRate, const int32  InNumChannels, const int32  InVoiceId = 0, FModulationMatrix *  InModMatrix = nullptr  )

overridevirtual

Reimplemented from Audio::IFilter.

ProcessAudio() [1/4]

void Audio::FStateVariableFilter::ProcessAudio	(	const float *const *	InBuffers,
		const int32	InNumSamples,
		float *const *	LpfOutBuffers,
		float *const *	HpfOutBuffers,
		float *const *	BpfOutBuffers,
		float *const *	BsfOutBuffers
	)

ProcessAudio() [2/4]

void Audio::FStateVariableFilter::ProcessAudio ( const float *const *  InBuffers, const int32  InNumSamples, float *const *  OutBuffers  )

overridevirtual

Implements Audio::IFilter.

ProcessAudio() [3/4]

void Audio::FStateVariableFilter::ProcessAudio	(	const float *	InSamples,
		const int32	InNumSamples,
		float *	LpfOutput,
		float *	HpfOutput,
		float *	BpfOutput,
		float *	BsfOutput
	)

ProcessAudio() [4/4]

void Audio::FStateVariableFilter::ProcessAudio ( const float *  InSamples, const int32  InNumSamples, float *  OutSamples  )

overridevirtual

Implements Audio::IFilter.

Reset()

void Audio::FStateVariableFilter::Reset ( )

overridevirtual

Reimplemented from Audio::IFilter.

SetBandStopControl()

void Audio::FStateVariableFilter::SetBandStopControl ( const float  InBandStop )

overridevirtual

Reimplemented from Audio::IFilter.

Update()

void Audio::FStateVariableFilter::Update ( )

overridevirtual

Reimplemented from Audio::IFilter.

Member Data Documentation

A0

float Audio::FStateVariableFilter::A0

protected

BandStopParam

float Audio::FStateVariableFilter::BandStopParam

protected

Feedback

float Audio::FStateVariableFilter::Feedback

protected

FilterState

TArray<FFilterState> Audio::FStateVariableFilter::FilterState

protected

InputScale

float Audio::FStateVariableFilter::InputScale

protected

---

The documentation for this class was generated from the following files:

• Engine/Source/Runtime/SignalProcessing/Public/DSP/Filter.h
• Engine/Source/Runtime/SignalProcessing/Private/Filter.cpp