OpenShot Audio Library | OpenShotAudio 0.4.0
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#include <juce_SmoothedValue.h>
Public Member Functions | |
SmoothedValue () noexcept | |
SmoothedValue (FloatType initialValue) noexcept | |
void | reset (double sampleRate, double rampLengthInSeconds) noexcept |
void | reset (int numSteps) noexcept |
void | setTargetValue (FloatType newValue) noexcept |
FloatType | getNextValue () noexcept |
FloatType | skip (int numSamples) noexcept |
void | setValue (FloatType newValue, bool force=false) noexcept |
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SmoothedValueBase ()=default | |
bool | isSmoothing () const noexcept |
FloatType | getCurrentValue () const noexcept |
FloatType | getTargetValue () const noexcept |
void | setCurrentAndTargetValue (FloatType newValue) |
void | applyGain (FloatType *samples, int numSamples) noexcept |
void | applyGain (FloatType *samplesOut, const FloatType *samplesIn, int numSamples) noexcept |
void | applyGain (AudioBuffer< FloatType > &buffer, int numSamples) noexcept |
Additional Inherited Members | |
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using | FloatType = typename FloatTypeHelper< SmoothedValueType >::Type |
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FloatType | currentValue = 0 |
FloatType | target = currentValue |
int | countdown = 0 |
A utility class for values that need smoothing to avoid audio glitches.
A ValueSmoothingTypes::Linear template parameter selects linear smoothing, which increments the SmoothedValue linearly towards its target value.
A ValueSmoothingTypes::Multiplicative template parameter selects multiplicative smoothing increments towards the target value.
Multiplicative smoothing is useful when you are dealing with exponential/logarithmic values like volume in dB or frequency in Hz. For example a 12 step ramp from 440.0 Hz (A4) to 880.0 Hz (A5) will increase the frequency with an equal temperament tuning across the octave. A 10 step smoothing from 1.0 (0 dB) to 3.16228 (10 dB) will increase the value in increments of 1 dB.
Note that when you are using multiplicative smoothing you cannot ever reach a target value of zero!
Definition at line 226 of file juce_SmoothedValue.h.
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inlinenoexcept |
Constructor.
Definition at line 231 of file juce_SmoothedValue.h.
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inlinenoexcept |
Constructor.
Definition at line 237 of file juce_SmoothedValue.h.
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inlinenoexcept |
Compute the next value.
Definition at line 297 of file juce_SmoothedValue.h.
Referenced by juce::dsp::Oscillator< SampleType >::process(), juce::Reverb::processMono(), juce::dsp::Oscillator< SampleType >::processSample(), and juce::Reverb::processStereo().
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inlinenoexcept |
Reset to a new sample rate and ramp length.
sampleRate | The sample rate |
rampLengthInSeconds | The duration of the ramp in seconds |
Definition at line 253 of file juce_SmoothedValue.h.
Referenced by juce::dsp::Oscillator< SampleType >::reset(), juce::SmoothedValue< FloatType, SmoothingType >::reset(), and juce::Reverb::setSampleRate().
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inlinenoexcept |
Set a new ramp length directly in samples.
numSteps | The number of samples over which the ramp should be active |
Definition at line 262 of file juce_SmoothedValue.h.
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inlinenoexcept |
Set the next value to ramp towards.
newValue | The new target value |
Definition at line 272 of file juce_SmoothedValue.h.
Referenced by juce::dsp::Oscillator< SampleType >::setFrequency(), juce::Reverb::setParameters(), and juce::SmoothedValue< FloatType, SmoothingType >::setValue().
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inlinenoexcept |
Using the new methods:
lsv.setValue (x, false); -> lsv.setTargetValue (x); lsv.setValue (x, true); -> lsv.setCurrentAndTargetValue (x);
newValue | The new target value |
force | If true, the value will be set immediately, bypassing the ramp |
Definition at line 343 of file juce_SmoothedValue.h.
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inlinenoexcept |
Skip the next numSamples samples. This is identical to calling getNextValue numSamples times. It returns the new current value.
Definition at line 318 of file juce_SmoothedValue.h.
Referenced by juce::dsp::Oscillator< SampleType >::process().