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85 lines
No EOL
3.6 KiB
C++
85 lines
No EOL
3.6 KiB
C++
/*
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==============================================================================
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Reverb.h
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Created: 30 Dec 2023 8:38:55pm
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Author: binya
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==============================================================================
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*/
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#pragma once
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#include <JuceHeader.h>
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#include "Effect.h"
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#include <gin_simpleverb.h>
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/** This is a simple Effect class that wraps around Gin's SimpleVerb implementation */
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class Reverb final : public Effect
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{
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public:
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Reverb() = default;
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void initialize(int numChannels, int fxSampleRate) override
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{
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int numEffects = numChannels / 2 + numChannels % 2;
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channelGinReverbs.resize(numEffects);
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for (int ch = 0; ch < numEffects; ch++)
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{
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channelGinReverbs[ch] = std::make_unique<gin::SimpleVerb>();
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channelGinReverbs[ch]->setSampleRate(float(fxSampleRate));
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channelGinReverbs[ch]->setParameters(0.f, 0.f, 1.f, 0.f, 1.f, 0.f, 0.f);
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}
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}
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// The intended ranges of these values are in PluginParameters.h
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void updateParams(float size, float damping, float predelay, float lows, float highs, float mix) const
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{
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for (const auto& channelGinReverb : channelGinReverbs)
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{
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channelGinReverb->setParameters(
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juce::jmap<float>(size, PluginParameters::REVERB_SIZE_RANGE.getStart(), PluginParameters::REVERB_SIZE_RANGE.getEnd(), 0.f, 1.f),
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juce::jmap<float>(damping, PluginParameters::REVERB_DAMPING_RANGE.getStart(), PluginParameters::REVERB_DAMPING_RANGE.getEnd(), 0.f, 1.f),
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float(sqrtf(predelay / 250.f)), // conversions to counteract the faders in this algorithm
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juce::jmap<float>(highs, PluginParameters::REVERB_HIGHS_RANGE.getStart(), PluginParameters::REVERB_HIGHS_RANGE.getEnd(), 0.3f, 1.f),
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1.f - juce::jmap<float>(lows, PluginParameters::REVERB_LOWS_RANGE.getStart(), PluginParameters::REVERB_LOWS_RANGE.getEnd(), 0.3f, 1.f),
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mix,
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(1.f - mix) / 2.f
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);
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}
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}
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void updateParams(const SamplerParameters& sampleSound, bool) override
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{
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updateParams(
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sampleSound.reverbSize->get(),
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sampleSound.reverbDamping->get(),
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sampleSound.reverbPredelay->get(),
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sampleSound.reverbLows->get(),
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sampleSound.reverbHighs->get(),
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sampleSound.reverbMix->get()
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);
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}
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void process(juce::AudioBuffer<float>& buffer, int numSamples, int startSample = 0) override
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{
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bool lastIsMono = buffer.getNumChannels() % 2 == 1;
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for (int ch = 0; ch < buffer.getNumChannels(); ch += 2)
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{
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// I modified the header of the process method to work easier with this code, you'll need to do the same to get it to compile
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// void SimpleVerb::process (const float* in1, const float* in2, float* out1, float* out2, int numSamples)
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if (lastIsMono && ch == buffer.getNumChannels() - 1)
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channelGinReverbs[ch / 2]->process(
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buffer.getReadPointer(ch, startSample), buffer.getReadPointer(ch, startSample),
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buffer.getWritePointer(ch, startSample), buffer.getWritePointer(ch, startSample), numSamples);
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else
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channelGinReverbs[ch / 2]->process(
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buffer.getReadPointer(ch, startSample), buffer.getReadPointer(ch + 1, startSample),
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buffer.getWritePointer(ch, startSample), buffer.getWritePointer(ch + 1, startSample), numSamples);
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}
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}
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private:
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std::vector<std::unique_ptr<gin::SimpleVerb>> channelGinReverbs;
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}; |