CIIRFilter Class Reference

#include <IIRFilter.h>

Inheritance diagram for CIIRFilter:

Public Member Functions
	CIIRFilter ()
	CIIRFilter (int form)
	~CIIRFilter ()
void	SetXML (CXMLElement *xml)
void	setCoefficients (CFilterCoefficients *coef)
void	setSamplingRate (float sr)
bool	canProcess ()
void	doFilter (float *node, long sampleFrames)
void	clearBuffers ()
void	setCoefficientFileName (long sr, char *fileName)
Public Member Functions inherited from CFilter
	CFilter ()
virtual	~CFilter ()
void	setName (const char *newName)
const char *	getName ()
virtual int	getNumChannels ()

Protected Member Functions
void	init ()

Protected Attributes
int	m_nForm
CFilterCoefficients *	m_coefficients
int	m_nFiltSizeA
int	m_nFiltSizeB
float	m_fInBuffer [MAXFILTSIZE]
float	m_fOutBuffer [MAXFILTSIZE]
short	m_nBufPos
float *	m_fACoefficients
float *	m_fBCoefficients
float	m_fScale
Protected Attributes inherited from CFilter
float	m_fSamplingRate
char	m_strName [81]
CFilterCoefficients *	coefs
int	numChannels

Detailed Description

General purpose IIR filter Can do direct form 1 & 2 and cascade of second order sections

Constructor & Destructor Documentation

CIIRFilter::CIIRFilter

(

)

Constructor

CIIRFilter::CIIRFilter

(

int

form

)

Constructor setting filter form 1-4

CIIRFilter::~CIIRFilter

(

)

Destructor

Member Function Documentation

bool CIIRFilter::canProcess ( )

virtual

Determines whether coefficients exist for the current sampling rate

Reimplemented from CFilter.

void CIIRFilter::clearBuffers ( )

virtual

Clears internal buffers

Reimplemented from CFilter.

Reimplemented in CLFFilter.

void CIIRFilter::doFilter ( float *  node, long  sampleFrames  )

virtual

Process audio blocks

Reimplemented from CFilter.

Reimplemented in CLFFilter, CNFCFilter, CLowPassFilter, CShelfFilterI, and CMitRegFilter.

void CIIRFilter::init ( )

protectedvirtual

Reimplemented from CFilter.

Reimplemented in CNFCFilter, CShelfFilterI, CLowPassFilter, CLowShelfFilter, CMitRegFilter, CLFFilter, and CHPFilter2.

void CIIRFilter::setCoefficientFileName	(	long	sr,
		char *	fileName
	)

Loads coefficients from a WAV file, using its sampling rate

void CIIRFilter::setCoefficients ( CFilterCoefficients *  coef )

virtual

Sets all coefficients for this filter

Reimplemented from CFilter.

void CIIRFilter::setSamplingRate ( float  sr )

virtual

Sets the sampling rate

Reimplemented from CFilter.

Reimplemented in CNFCFilter, CLFFilter, CShelfFilterI, CLowPassFilter, CLowShelfFilter, CHPFilter2, and CMitRegFilter.

void CIIRFilter::SetXML

(

CXMLElement *

xml

)

Returns a CXMLElement containing this filters state

Member Data Documentation

CFilterCoefficients* CIIRFilter::m_coefficients

protected

float* CIIRFilter::m_fACoefficients

protected

float* CIIRFilter::m_fBCoefficients

protected

float CIIRFilter::m_fInBuffer[MAXFILTSIZE]

protected

float CIIRFilter::m_fOutBuffer[MAXFILTSIZE]

protected

float CIIRFilter::m_fScale

protected

short CIIRFilter::m_nBufPos

protected

int CIIRFilter::m_nFiltSizeA

protected

int CIIRFilter::m_nFiltSizeB

protected

int CIIRFilter::m_nForm

protected

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

• VVDSP/IIRFilter.h
• VVDSP/IIRFilter.cpp