25bd5d8adb
subrepo: subdir: "deps/juce" merged: "b13f9084e" upstream: origin: "https://github.com/essej/JUCE.git" branch: "sono6good" commit: "b13f9084e" git-subrepo: version: "0.4.3" origin: "https://github.com/ingydotnet/git-subrepo.git" commit: "2f68596"
155 lines
4.4 KiB
C++
155 lines
4.4 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2020 - Raw Material Software Limited
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JUCE is an open source library subject to commercial or open-source
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licensing.
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By using JUCE, you agree to the terms of both the JUCE 6 End-User License
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Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
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End User License Agreement: www.juce.com/juce-6-licence
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Privacy Policy: www.juce.com/juce-privacy-policy
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Or: You may also use this code under the terms of the GPL v3 (see
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www.gnu.org/licenses).
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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namespace dsp
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{
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//==============================================================================
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template <typename SampleType>
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Phaser<SampleType>::Phaser()
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{
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auto oscFunction = [] (SampleType x) { return std::sin (x); };
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osc.initialise (oscFunction);
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for (auto n = 0; n < numStages; ++n)
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{
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filters.add (new FirstOrderTPTFilter<SampleType>());
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filters[n]->setType (FirstOrderTPTFilterType::allpass);
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}
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dryWet.setMixingRule (DryWetMixingRule::linear);
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}
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template <typename SampleType>
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void Phaser<SampleType>::setRate (SampleType newRateHz)
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{
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jassert (isPositiveAndBelow (newRateHz, static_cast<SampleType> (100.0)));
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rate = newRateHz;
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update();
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}
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template <typename SampleType>
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void Phaser<SampleType>::setDepth (SampleType newDepth)
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{
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jassert (isPositiveAndNotGreaterThan (newDepth, static_cast<SampleType> (1.0)));
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depth = newDepth;
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update();
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}
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template <typename SampleType>
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void Phaser<SampleType>::setCentreFrequency (SampleType newCentreHz)
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{
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jassert (isPositiveAndBelow (newCentreHz, static_cast<SampleType> (sampleRate * 0.5)));
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centreFrequency = newCentreHz;
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normCentreFrequency = mapFromLog10 (centreFrequency, static_cast<SampleType> (20.0), static_cast<SampleType> (jmin (20000.0, 0.49 * sampleRate)));
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}
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template <typename SampleType>
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void Phaser<SampleType>::setFeedback (SampleType newFeedback)
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{
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jassert (newFeedback >= static_cast<SampleType> (-1.0) && newFeedback <= static_cast<SampleType> (1.0));
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feedback = newFeedback;
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update();
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}
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template <typename SampleType>
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void Phaser<SampleType>::setMix (SampleType newMix)
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{
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jassert (isPositiveAndNotGreaterThan (newMix, static_cast<SampleType> (1.0)));
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mix = newMix;
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update();
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}
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//==============================================================================
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template <typename SampleType>
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void Phaser<SampleType>::prepare (const ProcessSpec& spec)
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{
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jassert (spec.sampleRate > 0);
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jassert (spec.numChannels > 0);
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sampleRate = spec.sampleRate;
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for (auto n = 0; n < numStages; ++n)
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filters[n]->prepare (spec);
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dryWet.prepare (spec);
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feedbackVolume.resize (spec.numChannels);
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lastOutput.resize (spec.numChannels);
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auto specDown = spec;
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specDown.sampleRate /= (double) maxUpdateCounter;
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specDown.maximumBlockSize = specDown.maximumBlockSize / (uint32) maxUpdateCounter + 1;
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osc.prepare (specDown);
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bufferFrequency.setSize (1, (int) specDown.maximumBlockSize, false, false, true);
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update();
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reset();
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}
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template <typename SampleType>
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void Phaser<SampleType>::reset()
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{
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std::fill (lastOutput.begin(), lastOutput.end(), static_cast<SampleType> (0));
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for (auto n = 0; n < numStages; ++n)
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filters[n]->reset();
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osc.reset();
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dryWet.reset();
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oscVolume.reset (sampleRate / (double) maxUpdateCounter, 0.05);
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for (auto& vol : feedbackVolume)
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vol.reset (sampleRate, 0.05);
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updateCounter = 0;
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}
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template <typename SampleType>
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void Phaser<SampleType>::update()
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{
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osc.setFrequency (rate);
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oscVolume.setTargetValue (depth * (SampleType) 0.5);
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dryWet.setWetMixProportion (mix);
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for (auto& vol : feedbackVolume)
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vol.setTargetValue (feedback);
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}
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//==============================================================================
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template class Phaser<float>;
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template class Phaser<double>;
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} // namespace dsp
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} // namespace juce
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