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59 lines
1.8 KiB
59 lines
1.8 KiB
// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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// fx_chorus.h
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//
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// Stereo Chorus audio effects proposed in the context of the MiniDexed project
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// This implemelntation is based on the Chorus FX from the Rings Eurorack module from Mutable Instruments
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//
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#pragma once
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#include "fx_components.h"
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#include "fx_engine.hpp"
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class Chorus : public FXElement
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{
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DISALLOW_COPY_AND_ASSIGN(Chorus);
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public:
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enum LFO_Index
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{
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Sin1 = 0,
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Sin2,
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Cos1,
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Cos2
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};
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Chorus(float32_t sampling_rate);
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virtual ~Chorus();
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virtual void processSample(float32_t inL, float32_t inR, float32_t& outL, float32_t& outR) override;
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void setDepth(float32_t depth);
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float32_t getDepth() const;
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void setRate(float32_t rate);
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float32_t getRate() const;
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private:
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typedef FxEngine<2048, FORMAT_16_BIT, false> Engine;
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Engine engine_;
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float32_t rate_; // Normalized frequency for the 2 LFOs frequencies (0.0 - 10.0)
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float32_t depth_; // Depth of the chorus in milliseconds (0.0 - 10.0)
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float32_t fullscale_depth_; // Equivalent to depth_ but in the range of (0.0 - 384.0)
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float32_t feedback_; // Feedback level of the chorus (0.0 - 1.0)
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LFO* lfo_[4];
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};
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