SmoothedValueBase< SmoothedValueType > Class Template Reference

A base class for the smoothed value classes. More...

#include <juce_SmoothedValue.h>

Public Types
using	FloatType = typename FloatTypeHelper<SmoothedValueType>::Type

Public Member Functions
	SmoothedValueBase ()=default
	Constructor.
bool	isSmoothing () const noexcept
	Returns true if the current value is currently being interpolated.
FloatType	getCurrentValue () const noexcept
	Returns the current value of the ramp.
FloatType	getTargetValue () const noexcept
	Returns the target value towards which the smoothed value is currently moving.
void	setCurrentAndTargetValue (FloatType newValue)
	Sets the current value and the target value.
void	applyGain (FloatType *samples, int numSamples) noexcept
	Applies a smoothed gain to a stream of samples S[i] *= gain.
void	applyGain (FloatType *samplesOut, const FloatType *samplesIn, int numSamples) noexcept
	Computes output as a smoothed gain applied to a stream of samples.
void	applyGain (AudioBuffer< FloatType > &buffer, int numSamples) noexcept
	Applies a smoothed gain to a buffer.

Protected Attributes
FloatType	currentValue = 0
FloatType	target = currentValue
int	countdown = 0

Detailed Description

template<typename SmoothedValueType>
class SmoothedValueBase< SmoothedValueType >

A base class for the smoothed value classes.

This class is used to provide common functionality to the SmoothedValue and dsp::LogRampedValue classes.

Member Typedef Documentation

FloatType

template<typename SmoothedValueType >

using SmoothedValueBase< SmoothedValueType >::FloatType = typename FloatTypeHelper<SmoothedValueType>::Type

Constructor & Destructor Documentation

SmoothedValueBase()

template<typename SmoothedValueType >

SmoothedValueBase< SmoothedValueType >::SmoothedValueBase ( )

default

Constructor.

Member Function Documentation

isSmoothing()

template<typename SmoothedValueType >

bool SmoothedValueBase< SmoothedValueType >::isSmoothing ( ) const

noexcept

Returns true if the current value is currently being interpolated.

References SmoothedValueBase< SmoothedValueType >::countdown.

Referenced by SmoothedValueBase< SmoothedValueType >::applyGain(), SmoothedValueBase< SmoothedValueType >::applyGain(), SmoothedValueBase< SmoothedValueType >::applyGain(), and dsp::Oscillator< SampleType >::process().

getCurrentValue()

template<typename SmoothedValueType >

FloatType SmoothedValueBase< SmoothedValueType >::getCurrentValue ( ) const

noexcept

Returns the current value of the ramp.

References SmoothedValueBase< SmoothedValueType >::currentValue.

getTargetValue()

template<typename SmoothedValueType >

FloatType SmoothedValueBase< SmoothedValueType >::getTargetValue ( ) const

noexcept

Returns the target value towards which the smoothed value is currently moving.

References SmoothedValueBase< SmoothedValueType >::target.

Referenced by dsp::Oscillator< SampleType >::getFrequency().

setCurrentAndTargetValue()

template<typename SmoothedValueType >

void SmoothedValueBase< SmoothedValueType >::setCurrentAndTargetValue

(

FloatType

newValue

)

Sets the current value and the target value.

Parameters

newValue

the new value to take

References SmoothedValueBase< SmoothedValueType >::countdown, SmoothedValueBase< SmoothedValueType >::currentValue, and SmoothedValueBase< SmoothedValueType >::target.

Referenced by dsp::Oscillator< SampleType >::setFrequency().

applyGain() [1/3]

template<typename SmoothedValueType >

void SmoothedValueBase< SmoothedValueType >::applyGain ( FloatType * samples, int numSamples )

noexcept

Applies a smoothed gain to a stream of samples S[i] *= gain.

Parameters

samples	Pointer to a raw array of samples
numSamples	Length of array of samples

References SmoothedValueBase< SmoothedValueType >::isSmoothing(), jassert, and SmoothedValueBase< SmoothedValueType >::target.

applyGain() [2/3]

template<typename SmoothedValueType >

void SmoothedValueBase< SmoothedValueType >::applyGain ( FloatType * samplesOut, const FloatType * samplesIn, int numSamples )

noexcept

Computes output as a smoothed gain applied to a stream of samples.

Sout[i] = Sin[i] * gain

Parameters

samplesOut	A pointer to a raw array of output samples
samplesIn	A pointer to a raw array of input samples
numSamples	The length of the array of samples

References SmoothedValueBase< SmoothedValueType >::isSmoothing(), jassert, and SmoothedValueBase< SmoothedValueType >::target.

applyGain() [3/3]

template<typename SmoothedValueType >

void SmoothedValueBase< SmoothedValueType >::applyGain ( AudioBuffer< FloatType > & buffer, int numSamples )

noexcept

Applies a smoothed gain to a buffer.

References SmoothedValueBase< SmoothedValueType >::isSmoothing(), jassert, and SmoothedValueBase< SmoothedValueType >::target.

Member Data Documentation

currentValue

template<typename SmoothedValueType >

FloatType SmoothedValueBase< SmoothedValueType >::currentValue = 0

protected

Referenced by SmoothedValueBase< SmoothedValueType >::getCurrentValue(), and SmoothedValueBase< SmoothedValueType >::setCurrentAndTargetValue().

target

template<typename SmoothedValueType >

FloatType SmoothedValueBase< SmoothedValueType >::target = currentValue

protected

Referenced by SmoothedValueBase< SmoothedValueType >::applyGain(), SmoothedValueBase< SmoothedValueType >::applyGain(), SmoothedValueBase< SmoothedValueType >::applyGain(), SmoothedValueBase< SmoothedValueType >::getTargetValue(), and SmoothedValueBase< SmoothedValueType >::setCurrentAndTargetValue().

countdown

template<typename SmoothedValueType >

int SmoothedValueBase< SmoothedValueType >::countdown = 0

protected

Referenced by SmoothedValueBase< SmoothedValueType >::isSmoothing(), and SmoothedValueBase< SmoothedValueType >::setCurrentAndTargetValue().

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

• juce_SmoothedValue.h