krotos::AudioSampleCircularBuffer Class Reference

A fractional delay line with several interpolation methods. More...

#include <AudioSampleCircularBuffer.h>

Classes
class	MU
	creates and stores the fractional part of a float and its inverse More...

Public Types
enum	InterpolationType { cubic = 0 , linear , cosine , cubic3d }

Public Member Functions
float	fract (float input)
	returns the fractional part of a float
	AudioSampleCircularBuffer (int numSamples, long sampleRate) noexcept
int	getNumSamples () const noexcept
int	getHead () const noexcept
void	setReadPosition (float sample) noexcept
void	incrementReadPosition () noexcept
void	copySamples (juce::AudioSampleBuffer &source, int numSamples) noexcept
void	copySample (float source) noexcept
void	addSample (int indexOffset, float newSample) noexcept
float	getSample (float sampleToRead) noexcept
void	setSize (int numSamples) noexcept
void	fillWithZeroes ()

Protected Member Functions
float	wrapFloatValue (float valueToWrap) noexcept
int	wrapIntValue (int valueToWrap) noexcept

Protected Attributes
int	m_numChannels
int	m_head
float	m_readPosition
bool	m_useInterpolation
std::unique_ptr< juce::AudioSampleBuffer >	m_circularDelayBuffer
const int	m_size
const float	m_sizeAsFloat
const int	m_sizeMultiple
const float	m_sizeMultipleAsFloat
InterpolationType	m_interpolationType {InterpolationType::cubic3d}

Static Protected Attributes
static const int	BUFFER_MULTIPLE_FOR_NEG_MODULUS_CALC {4}

Detailed Description

A fractional delay line with several interpolation methods.

TODO: See if this class can be replaced with juce::DelayLine

Member Enumeration Documentation

InterpolationType

enum krotos::AudioSampleCircularBuffer::InterpolationType

Enumerator
cubic
linear
cosine
cubic3d

Constructor & Destructor Documentation

AudioSampleCircularBuffer()

krotos::AudioSampleCircularBuffer::AudioSampleCircularBuffer ( int numSamples, long sampleRate )

noexcept

Member Function Documentation

addSample()

void krotos::AudioSampleCircularBuffer::addSample ( int indexOffset, float newSample )

noexcept

copySample()

void krotos::AudioSampleCircularBuffer::copySample ( float source )

noexcept

copySamples()

void krotos::AudioSampleCircularBuffer::copySamples ( juce::AudioSampleBuffer & source, int numSamples )

noexcept

fillWithZeroes()

void krotos::AudioSampleCircularBuffer::fillWithZeroes

(

)

fract()

float krotos::AudioSampleCircularBuffer::fract

(

float

input

)

returns the fractional part of a float

Parameters

input

getHead()

int krotos::AudioSampleCircularBuffer::getHead ( ) const

inlinenoexcept

getNumSamples()

int krotos::AudioSampleCircularBuffer::getNumSamples ( ) const

inlinenoexcept

getSample()

float krotos::AudioSampleCircularBuffer::getSample ( float sampleToRead )

noexcept

incrementReadPosition()

void krotos::AudioSampleCircularBuffer::incrementReadPosition ( )

noexcept

setReadPosition()

void krotos::AudioSampleCircularBuffer::setReadPosition ( float sample )

noexcept

setSize()

void krotos::AudioSampleCircularBuffer::setSize ( int numSamples )

noexcept

wrapFloatValue()

float krotos::AudioSampleCircularBuffer::wrapFloatValue ( float valueToWrap )

inlineprotectednoexcept

wrapIntValue()

int krotos::AudioSampleCircularBuffer::wrapIntValue ( int valueToWrap )

inlineprotectednoexcept

Member Data Documentation

BUFFER_MULTIPLE_FOR_NEG_MODULUS_CALC

const int krotos::AudioSampleCircularBuffer::BUFFER_MULTIPLE_FOR_NEG_MODULUS_CALC {4}

staticprotected

m_circularDelayBuffer

std::unique_ptr<juce::AudioSampleBuffer> krotos::AudioSampleCircularBuffer::m_circularDelayBuffer

protected

m_head

int krotos::AudioSampleCircularBuffer::m_head

protected

m_interpolationType

InterpolationType krotos::AudioSampleCircularBuffer::m_interpolationType {InterpolationType::cubic3d}

protected

m_numChannels

int krotos::AudioSampleCircularBuffer::m_numChannels

protected

m_readPosition

float krotos::AudioSampleCircularBuffer::m_readPosition

protected

m_size

const int krotos::AudioSampleCircularBuffer::m_size

protected

m_sizeAsFloat

const float krotos::AudioSampleCircularBuffer::m_sizeAsFloat

protected

m_sizeMultiple

const int krotos::AudioSampleCircularBuffer::m_sizeMultiple

protected

m_sizeMultipleAsFloat

const float krotos::AudioSampleCircularBuffer::m_sizeMultipleAsFloat

protected

m_useInterpolation

bool krotos::AudioSampleCircularBuffer::m_useInterpolation

protected

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

• krotos_dsp/utilities/audio_sample_circular_buffer/AudioSampleCircularBuffer.h
• krotos_dsp/utilities/audio_sample_circular_buffer/AudioSampleCircularBuffer.cpp