Inheritance diagram for StereoBiquadFilter:

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Collaboration diagram for StereoBiquadFilter:

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Public Member Functions
void	copyCoefficients (FloatArray newCoefficients)
	Copies coefficient values from an array. More...

void	copyState (FloatArray newState)
	Copies state values from an array. More...

FloatArray	getCoefficients ()

BiquadFilter *	getFilter (size_t channel)

FilterStage	getFilterStage (size_t stage)

float	getSampleRate ()

size_t	getStages ()

FloatArray	getState ()

void	process (AudioBuffer &input, AudioBuffer &output)

void	process (float input, float output, size_t size)

float	process (float input)

void	process (FloatArray in)

void	process (FloatArray in, FloatArray out)

void	processAllPass (FloatArray in, FloatArray fc, float q, FloatArray out)

void	processBandPass (FloatArray in, FloatArray fc, float q, FloatArray out)

void	processHighPass (FloatArray in, FloatArray fc, float q, FloatArray out)

void	processLowPass (FloatArray in, FloatArray fc, float q, FloatArray out)

void	setAllPass (float fc, float q)

void	setBandPass (float fc, float q)

void	setCoefficients (FloatArray newCoefficients)
	Sets coefficients to point to a different set of values. More...

void	setHighPass (float fc, float q)

void	setHighShelf (float fc, float gain)
	Configure a high shelf filter with variable gain. More...

void	setLowPass (float fc, float q)

void	setLowShelf (float fc, float gain)
	Configure a low shelf filter with variable gain. More...

void	setNotch (float fc, float q)

void	setPeak (float fc, float q, float gain)
	Configure a peaking filter with resonance and variable gain. More...

void	setSampleRate (float sr)

void	setStages (size_t newStages)

void	setState (FloatArray newState)
	Sets state to point to a different set of values. More...

	StereoBiquadFilter (float sr, float coefs, float states, size_t stages, BiquadFilter *filters)

Static Public Member Functions
static MultiBiquadFilter *	create (float sr, size_t channels, size_t stages=1)

static StereoBiquadFilter *	create (float sr, size_t stages=1)

static void	destroy (BiquadFilter *filter)

static void	destroy (MultiBiquadFilter *filter)

static void	destroy (StereoBiquadFilter *filter)

static size_t	getCoefficientsPerStage ()

Protected Member Functions
void	copyCoefficients ()

void	init ()

Protected Attributes
float *	coefficients

size_t	stages

float *	state

Detailed Description

Definition at line 473 of file BiquadFilter.h.

Constructor & Destructor Documentation

◆ StereoBiquadFilter()

StereoBiquadFilter::StereoBiquadFilter	(	float	sr,
		float *	coefs,
		float *	states,
		size_t	stages,
		BiquadFilter *	filters
	)

inline

Definition at line 475 of file BiquadFilter.h.

Referenced by create().

Member Function Documentation

◆ copyCoefficients() [1/2]

void BiquadFilter::copyCoefficients ( )

inlineprotectedinherited

Definition at line 201 of file BiquadFilter.h.

References BIQUAD_COEFFICIENTS_PER_STAGE, BiquadFilter::coefficients, and BiquadFilter::stages.

Referenced by BiquadFilter::copyCoefficients(), UpSampler::create(), DownSampler::create(), Resampler::init(), BiquadFilter::setAllPass(), BiquadFilter::setBandPass(), BiquadFilter::setHighPass(), BiquadFilter::setHighShelf(), BiquadFilter::setLowPass(), BiquadFilter::setLowShelf(), BiquadFilter::setNotch(), and BiquadFilter::setPeak().

◆ copyCoefficients() [2/2]

void BiquadFilter::copyCoefficients ( FloatArray newCoefficients )

inlineinherited

Copies coefficient values from an array.

Definition at line 411 of file BiquadFilter.h.

References ASSERT, BIQUAD_COEFFICIENTS_PER_STAGE, BiquadFilter::copyCoefficients(), FilterStage::copyCoefficients(), BiquadFilter::getFilterStage(), and SimpleArray< T >::getSize().

◆ copyState()

void BiquadFilter::copyState ( FloatArray newState )

inlineinherited

Copies state values from an array.

Definition at line 263 of file BiquadFilter.h.

References ASSERT, BIQUAD_STATE_VARIABLES_PER_STAGE, SimpleArray< T >::copyFrom(), SimpleArray< T >::getSize(), BiquadFilter::getState(), and BiquadFilter::stages.

◆ create() [1/2]

static MultiBiquadFilter* MultiBiquadFilter::create	(	float	sr,
		size_t	channels,
		size_t	stages = `1`
	)

inlinestaticinherited

Definition at line 437 of file BiquadFilter.h.

References BIQUAD_COEFFICIENTS_PER_STAGE, BIQUAD_STATE_VARIABLES_PER_STAGE, BiquadFilter::coefficients, MultiBiquadFilter::MultiBiquadFilter(), BiquadFilter::setCoefficients(), BiquadFilter::setSampleRate(), BiquadFilter::setStages(), BiquadFilter::setState(), and BiquadFilter::stages.

◆ create() [2/2]

static StereoBiquadFilter* StereoBiquadFilter::create	(	float	sr,
		size_t	stages = `1`
	)

inlinestatic

Definition at line 477 of file BiquadFilter.h.

References BIQUAD_COEFFICIENTS_PER_STAGE, BIQUAD_STATE_VARIABLES_PER_STAGE, BiquadFilter::coefficients, BiquadFilter::setCoefficients(), BiquadFilter::setSampleRate(), BiquadFilter::setStages(), BiquadFilter::setState(), BiquadFilter::stages, and StereoBiquadFilter().

◆ destroy() [1/3]

static void BiquadFilter::destroy ( BiquadFilter * filter )

inlinestaticinherited

Definition at line 421 of file BiquadFilter.h.

References BiquadFilter::coefficients, and BiquadFilter::state.

Referenced by DownSampler::destroy(), UpSampler::destroy(), Resampler::~Resampler(), and ZeroCrossingPitchDetector::~ZeroCrossingPitchDetector().

◆ destroy() [2/3]

static void MultiBiquadFilter::destroy ( MultiBiquadFilter * filter )

inlinestaticinherited

Definition at line 452 of file BiquadFilter.h.

References BiquadFilter::coefficients, and BiquadFilter::state.

Referenced by destroy().

◆ destroy() [3/3]

static void StereoBiquadFilter::destroy ( StereoBiquadFilter * filter )

inlinestatic

Definition at line 493 of file BiquadFilter.h.

References MultiBiquadFilter::destroy().

◆ getCoefficients()

FloatArray BiquadFilter::getCoefficients ( )

inlineinherited

Definition at line 244 of file BiquadFilter.h.

References BIQUAD_COEFFICIENTS_PER_STAGE, BiquadFilter::coefficients, and BiquadFilter::stages.

◆ getCoefficientsPerStage()

static size_t BiquadFilter::getCoefficientsPerStage ( )

inlinestaticinherited

Definition at line 240 of file BiquadFilter.h.

References BIQUAD_COEFFICIENTS_PER_STAGE.

◆ getFilter()

BiquadFilter* MultiBiquadFilter::getFilter ( size_t channel )

inlineinherited

Definition at line 458 of file BiquadFilter.h.

◆ getFilterStage()

FilterStage BiquadFilter::getFilterStage ( size_t stage )

inlineinherited

Definition at line 268 of file BiquadFilter.h.

References ASSERT, BIQUAD_COEFFICIENTS_PER_STAGE, BIQUAD_STATE_VARIABLES_PER_STAGE, BiquadFilter::coefficients, BiquadFilter::stages, and BiquadFilter::state.

Referenced by BiquadFilter::copyCoefficients(), and BiquadFilter::process().

◆ getSampleRate()

float BiquadFilter::getSampleRate ( )

inlineinherited

Definition at line 228 of file BiquadFilter.h.

References M_PI.

◆ getStages()

size_t BiquadFilter::getStages ( )

inlineinherited

Definition at line 232 of file BiquadFilter.h.

References BiquadFilter::stages.

◆ getState()

FloatArray BiquadFilter::getState ( )

inlineinherited

Definition at line 248 of file BiquadFilter.h.

References BIQUAD_STATE_VARIABLES_PER_STAGE, BiquadFilter::stages, and BiquadFilter::state.

Referenced by BiquadFilter::copyState().

◆ init()

void BiquadFilter::init ( )

inlineprotectedinherited

Definition at line 205 of file BiquadFilter.h.

References BIQUAD_STATE_VARIABLES_PER_STAGE, BiquadFilter::coefficients, BiquadFilter::stages, and BiquadFilter::state.

Referenced by BiquadFilter::BiquadFilter(), and BiquadFilter::setCoefficients().

◆ process() [1/5]

void MultiBiquadFilter::process	(	AudioBuffer &	input,
		AudioBuffer &	output
	)

inlinevirtualinherited

Implements MultiSignalProcessor.

Definition at line 465 of file BiquadFilter.h.

References AudioBuffer::getChannels(), AudioBuffer::getSamples(), min, and BiquadFilter::process().

◆ process() [2/5]

void BiquadFilter::process	(	float *	input,
		float *	output,
		size_t	size
	)

inlineinherited

Definition at line 276 of file BiquadFilter.h.

References BIQUAD_STATE_VARIABLES_PER_STAGE, FilterStage::getCoefficients(), BiquadFilter::getFilterStage(), BiquadFilter::stages, and BiquadFilter::state.

Referenced by Resampler::downsample(), MultiBiquadFilter::process(), UpSampler::process(), DownSampler::process(), BiquadFilter::process(), ZeroCrossingPitchDetector::process(), BiquadFilter::processAllPass(), BiquadFilter::processBandPass(), BiquadFilter::processHighPass(), BiquadFilter::processLowPass(), and Resampler::upsample().

◆ process() [3/5]

float BiquadFilter::process ( float input )

inlinevirtualinherited

Reimplemented from SignalProcessor.

Definition at line 341 of file BiquadFilter.h.

References BiquadFilter::process().

◆ process() [4/5]

void BiquadFilter::process ( FloatArray in )

inlineinherited

Definition at line 303 of file BiquadFilter.h.

References SimpleArray< T >::getSize(), and BiquadFilter::process().

◆ process() [5/5]

void BiquadFilter::process	(	FloatArray	in,
		FloatArray	out
	)

inlinevirtualinherited

Reimplemented from SignalProcessor.

Definition at line 307 of file BiquadFilter.h.

References ASSERT, SimpleArray< T >::getSize(), and BiquadFilter::process().

◆ processAllPass()

void BiquadFilter::processAllPass	(	FloatArray	in,
		FloatArray	fc,
		float	q,
		FloatArray	out
	)

inlineinherited

Definition at line 333 of file BiquadFilter.h.

References SimpleArray< T >::getSize(), BiquadFilter::process(), and BiquadFilter::setAllPass().

◆ processBandPass()

void BiquadFilter::processBandPass	(	FloatArray	in,
		FloatArray	fc,
		float	q,
		FloatArray	out
	)

inlineinherited

Definition at line 326 of file BiquadFilter.h.

References SimpleArray< T >::getSize(), BiquadFilter::process(), and BiquadFilter::setBandPass().

◆ processHighPass()

void BiquadFilter::processHighPass	(	FloatArray	in,
		FloatArray	fc,
		float	q,
		FloatArray	out
	)

inlineinherited

Definition at line 319 of file BiquadFilter.h.

References SimpleArray< T >::getSize(), BiquadFilter::process(), and BiquadFilter::setHighPass().

◆ processLowPass()

void BiquadFilter::processLowPass	(	FloatArray	in,
		FloatArray	fc,
		float	q,
		FloatArray	out
	)

inlineinherited

Definition at line 312 of file BiquadFilter.h.

References SimpleArray< T >::getSize(), BiquadFilter::process(), and BiquadFilter::setLowPass().

◆ setAllPass()

void BiquadFilter::setAllPass	(	float	fc,
		float	q
	)

inlineinherited

Definition at line 362 of file BiquadFilter.h.

References BiquadFilter::coefficients, BiquadFilter::copyCoefficients(), and FilterStage::setAllPass().

Referenced by BiquadFilter::processAllPass().

◆ setBandPass()

void BiquadFilter::setBandPass	(	float	fc,
		float	q
	)

inlineinherited

Definition at line 357 of file BiquadFilter.h.

References BiquadFilter::coefficients, BiquadFilter::copyCoefficients(), and FilterStage::setBandPass().

Referenced by BiquadFilter::processBandPass().

◆ setCoefficients()

void BiquadFilter::setCoefficients ( FloatArray newCoefficients )

inlineinherited

Sets coefficients to point to a different set of values.

Definition at line 402 of file BiquadFilter.h.

References ASSERT, BIQUAD_COEFFICIENTS_PER_STAGE, BiquadFilter::coefficients, SimpleArray< T >::getData(), SimpleArray< T >::getSize(), BiquadFilter::init(), and BiquadFilter::stages.

Referenced by MultiBiquadFilter::create(), and create().

◆ setHighPass()

void BiquadFilter::setHighPass	(	float	fc,
		float	q
	)

inlineinherited

Definition at line 352 of file BiquadFilter.h.

References BiquadFilter::coefficients, BiquadFilter::copyCoefficients(), and FilterStage::setHighPass().

Referenced by BiquadFilter::processHighPass(), and ZeroCrossingPitchDetector::setHighPassCutoff().

◆ setHighShelf()

void BiquadFilter::setHighShelf	(	float	fc,
		float	gain
	)

inlineinherited

Configure a high shelf filter with variable gain.

Parameters

gain in dB

Definition at line 394 of file BiquadFilter.h.

References BiquadFilter::coefficients, BiquadFilter::copyCoefficients(), and FilterStage::setHighShelf().

◆ setLowPass()

void BiquadFilter::setLowPass	(	float	fc,
		float	q
	)

inlineinherited

Definition at line 347 of file BiquadFilter.h.

References BiquadFilter::coefficients, BiquadFilter::copyCoefficients(), and FilterStage::setLowPass().

Referenced by BiquadFilter::processLowPass(), and ZeroCrossingPitchDetector::setLowPassCutoff().

◆ setLowShelf()

void BiquadFilter::setLowShelf	(	float	fc,
		float	gain
	)

inlineinherited

Configure a low shelf filter with variable gain.

Parameters

gain in dB

Definition at line 385 of file BiquadFilter.h.

References BiquadFilter::coefficients, BiquadFilter::copyCoefficients(), and FilterStage::setLowShelf().

◆ setNotch()

void BiquadFilter::setNotch	(	float	fc,
		float	q
	)

inlineinherited

Definition at line 367 of file BiquadFilter.h.

References BiquadFilter::coefficients, BiquadFilter::copyCoefficients(), and FilterStage::setNotch().

◆ setPeak()

void BiquadFilter::setPeak	(	float	fc,
		float	q,
		float	gain
	)

inlineinherited

Configure a peaking filter with resonance and variable gain.

Parameters

gain in dB

Definition at line 376 of file BiquadFilter.h.

References BiquadFilter::coefficients, BiquadFilter::copyCoefficients(), and FilterStage::setPeak().

◆ setSampleRate()

void BiquadFilter::setSampleRate ( float sr )

inlineinherited

Definition at line 224 of file BiquadFilter.h.

References M_PI.

Referenced by MultiBiquadFilter::create(), and create().

◆ setStages()

void BiquadFilter::setStages ( size_t newStages )

inlineinherited

Definition at line 236 of file BiquadFilter.h.

References BiquadFilter::stages.

Referenced by MultiBiquadFilter::create(), and create().

◆ setState()

void BiquadFilter::setState ( FloatArray newState )

inlineinherited

Sets state to point to a different set of values.

Definition at line 255 of file BiquadFilter.h.

References ASSERT, BIQUAD_STATE_VARIABLES_PER_STAGE, SimpleArray< T >::getData(), SimpleArray< T >::getSize(), BiquadFilter::stages, and BiquadFilter::state.

Referenced by MultiBiquadFilter::create(), and create().

Field Documentation

◆ coefficients

float* BiquadFilter::coefficients

protectedinherited

Definition at line 189 of file BiquadFilter.h.

Referenced by BiquadFilter::copyCoefficients(), MultiBiquadFilter::create(), create(), BiquadFilter::destroy(), MultiBiquadFilter::destroy(), BiquadFilter::getCoefficients(), BiquadFilter::getFilterStage(), BiquadFilter::init(), BiquadFilter::setAllPass(), BiquadFilter::setBandPass(), BiquadFilter::setCoefficients(), BiquadFilter::setHighPass(), BiquadFilter::setHighShelf(), BiquadFilter::setLowPass(), BiquadFilter::setLowShelf(), BiquadFilter::setNotch(), and BiquadFilter::setPeak().

◆ stages

size_t BiquadFilter::stages

protectedinherited

Definition at line 191 of file BiquadFilter.h.

Referenced by BiquadFilter::copyCoefficients(), BiquadFilter::copyState(), MultiBiquadFilter::create(), BiquadFilter::create(), create(), BiquadFilter::getCoefficients(), BiquadFilter::getFilterStage(), BiquadFilter::getStages(), BiquadFilter::getState(), BiquadFilter::init(), BiquadFilter::process(), BiquadFilter::setCoefficients(), BiquadFilter::setStages(), and BiquadFilter::setState().

◆ state

float* BiquadFilter::state

protectedinherited

Definition at line 190 of file BiquadFilter.h.

Referenced by BiquadFilter::destroy(), MultiBiquadFilter::destroy(), BiquadFilter::getFilterStage(), BiquadFilter::getState(), BiquadFilter::init(), BiquadFilter::process(), and BiquadFilter::setState().

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

BiquadFilter.h

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ StereoBiquadFilter()

Member Function Documentation

◆ copyCoefficients() [1/2]

◆ copyCoefficients() [2/2]

◆ copyState()

◆ create() [1/2]

◆ create() [2/2]

◆ destroy() [1/3]

◆ destroy() [2/3]

◆ destroy() [3/3]

◆ getCoefficients()

◆ getCoefficientsPerStage()

◆ getFilter()

◆ getFilterStage()

◆ getSampleRate()

◆ getStages()

◆ getState()

◆ init()

◆ process() [1/5]

◆ process() [2/5]

◆ process() [3/5]

◆ process() [4/5]

◆ process() [5/5]

◆ processAllPass()

◆ processBandPass()

◆ processHighPass()

◆ processLowPass()

◆ setAllPass()

◆ setBandPass()

◆ setCoefficients()

◆ setHighPass()

◆ setHighShelf()

◆ setLowPass()

◆ setLowShelf()

◆ setNotch()

◆ setPeak()

◆ setSampleRate()

◆ setStages()

◆ setState()

Field Documentation

◆ coefficients

◆ stages

◆ state