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Source/Sampler/Effects/Chorus.h Normal file
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/*
==============================================================================
Chorus.h
Created: 4 Jan 2024 7:22:36pm
Author: binya
==============================================================================
*/
#pragma once
#include <JuceHeader.h>
#include "Effect.h"
/** This is a simple wrapper around the JUCE Chorus class */
class Chorus final : public Effect
{
public:
explicit Chorus(int expectedBlockSize=MAX_BLOCK_SIZE) : expectedBlockSize(expectedBlockSize) {}
void initialize(int numChannels, int fxSampleRate) override
{
juce::dsp::ProcessSpec processSpec{ double(fxSampleRate), juce::uint32(expectedBlockSize), juce::uint32(numChannels) };
chorus.reset();
chorus.prepare(processSpec);
}
void updateParams(const SamplerParameters& sampleSound, bool realtime) override
{
chorus.setRate(sampleSound.chorusRate->get());
chorus.setDepth(sampleSound.chorusDepth->get());
chorus.setFeedback(sampleSound.chorusFeedback->get());
if (!realtime) // Center delay cannot be modulated
chorus.setCentreDelay(juce::jmin<float>(sampleSound.chorusCenterDelay->get(), 99.9f));
chorus.setMix(sampleSound.chorusMix->get());
}
void process(juce::AudioBuffer<float>& buffer, int numSamples, int startSample = 0) override
{
while (numSamples > 0)
{
juce::dsp::AudioBlock<float> block{ buffer.getArrayOfWritePointers(), size_t(buffer.getNumChannels()), size_t(startSample), size_t(juce::jmin(MAX_BLOCK_SIZE, numSamples)) };
juce::dsp::ProcessContextReplacing<float> context{ block };
chorus.process(context);
startSample += MAX_BLOCK_SIZE;
numSamples -= MAX_BLOCK_SIZE;
}
}
private:
static constexpr int MAX_BLOCK_SIZE{ 1024 };
juce::dsp::Chorus<float> chorus{};
int expectedBlockSize;
};