AudioFFT.cpp File Reference

#include "DSP/AudioFFT.h"
#include "DSP/BufferVectorOperations.h"
#include "DSP/FloatArrayMath.h"
#include "HAL/IConsoleManager.h"

Namespaces
namespace	Audio
	NO_LOGGING.
namespace	Audio::FFTIntrinsics

Macros
#define	IFFT_PRESERVE_COMPLEX_COMPONENT   0

Functions
void	Audio::GenerateRectangularWindow (float *WindowBuffer, int32 NumFrames, int32 NumChannels)
void	Audio::GenerateHammingWindow (float *WindowBuffer, int32 NumFrames, int32 NumChannels, bool bIsPeriodic)
void	Audio::GenerateHannWindow (float *WindowBuffer, int32 NumFrames, int32 NumChannels, bool bIsPeriodic)
void	Audio::GenerateBlackmanWindow (float *WindowBuffer, int32 NumFrames, int32 NumChannels, bool bIsPeriodic)
void	Audio::GenerateWindow (float *InOutWindowBuffer, EWindowType InType, int32 InNumFrames, int32 InNumChannels, bool bIsPeriodic)
uint32	Audio::GetCOLAHopSizeForWindow (EWindowType InType, uint32 WindowLength)
float	Audio::FFTIntrinsics::GetScalingExponent (EFFTScaling InScaling)
int32	Audio::CeilLog2 (int32 InNum)
float	Audio::GetPowerSpectrumScaling (int32 FFTSize, EFFTScaling InCurrentScaling, EFFTScaling InTargetScaling)
void	Audio::ScalePowerSpectrumInPlace (int32 FFTSize, EFFTScaling InCurrentScaling, EFFTScaling InTargetScaling, TArrayView< float > InPowerSpectrum)

Variables
TAutoConsoleVariable< int32 >	CVarFFTMethod (TEXT("au.dsp.FFTMethod"), FFTMethodCVar, TEXT("0: Use Iterative FFT, 1:: Use DFT"), ECVF_Default)

Macro Definition Documentation

IFFT_PRESERVE_COMPLEX_COMPONENT

#define IFFT_PRESERVE_COMPLEX_COMPONENT   0

Variable Documentation

CVarFFTMethod

TAutoConsoleVariable< int32 > CVarFFTMethod(TEXT("au.dsp.FFTMethod"), FFTMethodCVar, TEXT("0: Use Iterative FFT, 1:: Use DFT"), ECVF_Default)	(	TEXT("au.dsp.FFTMethod")	,
		FFTMethodCVar	,
		TEXT("0: Use Iterative FFT, 1:: Use DFT")	,
		ECVF_Default
	)