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99 lines
2.5 KiB
99 lines
2.5 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_unit.h
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//
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// Unit of FX that handle enable and wet parameters
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//
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#pragma once
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#include "fx_components.h"
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class FXUnitModule
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{
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DISALLOW_COPY_AND_ASSIGN(FXUnitModule);
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public:
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FXUnitModule(bool enable = true, float32_t wet_level = 0.5f)
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{
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this->setEnable(enable);
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this->setWetLevel(wet_level);
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}
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virtual ~FXUnitModule()
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{
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}
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virtual void processSample(float32_t inL, float32_t inR, float32_t& outL, float32_t& outR) = 0;
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void setEnable(bool enable = true)
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{
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this->enable_ = enable;
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}
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inline bool isEnable() const
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{
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return this->enable_;
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}
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void setWetLevel(float32_t wet_level)
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{
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this->wet_level_ = constrain(wet_level, 0.0f, 1.0f);
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}
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inline float32_t getWetLevel() const
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{
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return this->wet_level_;
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}
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protected:
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bool enable_;
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float32_t wet_level_; // How much the signal is affected by the inner FX (0.0 - 1.0)
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};
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template<typename _FXElement>
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class FXUnit : public virtual FXUnitModule, public virtual _FXElement
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{
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DISALLOW_COPY_AND_ASSIGN(FXUnit);
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public:
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FXUnit(float32_t sampling_rate, bool enable = true, float32_t wet_level = 0.5f) :
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FXUnitModule(),
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_FXElement(sampling_rate)
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{
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this->setEnable(enable);
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this->setWetLevel(wet_level);
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}
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virtual ~FXUnit()
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{
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}
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void processSample(float32_t inL, float32_t inR, float32_t& outL, float32_t& outR)
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{
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if(!this->isEnable() || this->getWetLevel() == 0.0f)
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{
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outL = inL;
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outR = inR;
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}
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else
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{
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_FXElement::processSample(inL, inR, outL, outR);
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float32_t dry = 1.0f - this->getWetLevel();
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outL = this->getWetLevel() * outL + dry * inL;
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outR = this->getWetLevel() * outR + dry * inR;
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}
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}
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}; |