BufferedWindow Class Reference

Buffered window function, so that we do not need to re-calculate the values. More...

#include <FFTWindows.h>

Inheritance diagram for BufferedWindow:

Public Member Functions
	BufferedWindow (WindowFunction *wf)
virtual void	begin (int samples) override
	Setup the window function providing the fft length.
float	factor (int idx)
const char *	name () override
int	samples ()
	Provides the number of samples (fft length)

Protected Member Functions
float	factor_internal (int idx) override
float	ratio (int idx)

Protected Attributes
Vector< float >	buffer {0}
const float	fourPi = 12.56637061f
int	i_half_samples = 0
int	i_samples = 0
WindowFunction *	p_wf = nullptr
float	samples_minus_1 = 0.0f
const float	sixPi = 18.84955593f
const float	twoPi = 6.28318531f

Detailed Description

Buffered window function, so that we do not need to re-calculate the values.

Author

Phil Schatzmann

Copyright

GPLv3

Constructor & Destructor Documentation

BufferedWindow()

BufferedWindow ( WindowFunction *  wf )

inline

Member Function Documentation

begin()

virtual void begin ( int  samples )

inlineoverridevirtual

Setup the window function providing the fft length.

Reimplemented from WindowFunction.

factor()

float factor ( int  idx )

inlineinherited

Provides the multipication factor at the indicated position. The result is symetrically mirrored around the center

factor_internal()

float factor_internal ( int  idx )

inlineoverrideprotectedvirtual

Implements WindowFunction.

name()

const char * name ( )

inlineoverridevirtual

Implements WindowFunction.

ratio()

float ratio ( int  idx )

inlineprotectedinherited

samples()

int samples ( )

inlineinherited

Provides the number of samples (fft length)

Member Data Documentation

buffer

Vector<float> buffer {0}

protected

fourPi

const float fourPi = 12.56637061f

protectedinherited

i_half_samples

int i_half_samples = 0

protectedinherited

i_samples

int i_samples = 0

protectedinherited

p_wf

WindowFunction* p_wf = nullptr

protected

samples_minus_1

float samples_minus_1 = 0.0f

protectedinherited

sixPi

const float sixPi = 18.84955593f

protectedinherited

twoPi

const float twoPi = 6.28318531f

protectedinherited

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

• src/AudioTools/FFT/FFTWindows.h