mirror of https://github.com/probonopd/MiniDexed
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60 lines
2.0 KiB
60 lines
2.0 KiB
2 years ago
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// 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_flanger.h
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//
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// Stereo Flanger audio effects proposed in the context of the MiniDexed project
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//
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#pragma once
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#include "fx.h"
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class Flanger : public FXElement
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{
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DISALLOW_COPY_AND_ASSIGN(Flanger);
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public:
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Flanger(float32_t sampling_rate, float32_t delay_time = 5.0f, float32_t frequency = 0.5f, float32_t depth = 1.0f, float32_t feedback = 0.5f);
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virtual ~Flanger();
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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 setDelayTime(float32_t delayMS);
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inline float32_t getDelayTime() const;
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void setFrequency(float32_t frequency);
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inline float32_t getFrequency() const;
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void setDepth(float32_t depth);
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inline float32_t getDepth() const;
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void setFeedback(float32_t feedback);
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inline float32_t getFeedback() const;
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private:
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inline void adjustDelayCofficients();
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const unsigned MaxDelayLineSize;
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unsigned delay_line_size_;
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float32_t* delay_lineL_;
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float32_t* delay_lineR_;
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float32_t lfo_phase_;
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float32_t lfo_phase_increment_;
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float32_t delay_time_ms_; // Delay time in milliseconds
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float32_t frequency_; // LFO frequency in HZ (0.1 - 10.0)
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float32_t depth_; // Depth of the flanger effect in milliseconds
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float32_t feedback_; // Amount of feedback to apply to the delay line
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};
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