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465 lines
18 KiB
465 lines
18 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_components.h
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//
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// Several tools and components used in the implemlentation of FX
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//
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#pragma once
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#include "fx.h"
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#include <algorithm>
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#include <random>
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#include <cassert>
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struct Constants
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{
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const static float32_t M2PI; // 2 * PI
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const static float32_t MPI_2; // PI / 2
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const static float32_t MPI_3; // PI / 3
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const static float32_t MPI_4; // PI / 4
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const static float32_t M1_PI; // 1 / PI
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};
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class FastLFO : public FXBase
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{
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DISALLOW_COPY_AND_ASSIGN(FastLFO);
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public:
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FastLFO(float32_t sampling_rate, float32_t min_frequency = 0.01f, float32_t max_frequency = 10.0f, float32_t initial_phase = 0.0f);
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virtual ~FastLFO();
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void setNormalizedFrequency(float32_t normalized_frequency);
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float32_t getNormalizedFrequency() const;
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void setFrequency(float32_t frequency);
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float32_t getFrequency() const;
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virtual void reset() override;
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float32_t process();
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float32_t current() const;
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private:
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void updateCoefficient();
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const float32_t InitialPhase;
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const float32_t min_frequency_;
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const float32_t max_frequency_;
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float32_t frequency_;
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float32_t normalized_frequency_;
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float32_t unitary_frequency_;
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float32_t y0_;
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float32_t y1_;
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float32_t iir_coefficient_;
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float32_t initial_amplitude_;
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float32_t current_;
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IMPLEMENT_DUMP(
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const size_t space = 21;
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const size_t precision = 5;
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std::stringstream ss;
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out << "START " << tag << "(" << typeid(*this).name() << ") dump" << std::endl << std::endl;
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SS_RESET(ss, precision, std::left);
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SS__TEXT(ss, ' ', space, std::left, '|', "InitialPhase");
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SS__TEXT(ss, ' ', space, std::left, '|', "frequency_");
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SS__TEXT(ss, ' ', space, std::left, '|', "normalized_frequency_");
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SS__TEXT(ss, ' ', space, std::left, '|', "unitary_frequency_");
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SS__TEXT(ss, ' ', space, std::left, '|', "y0_");
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SS__TEXT(ss, ' ', space, std::left, '|', "y1_");
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SS__TEXT(ss, ' ', space, std::left, '|', "iir_coefficient_");
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SS__TEXT(ss, ' ', space, std::left, '|', "initial_amplitude_");
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SS__TEXT(ss, ' ', space, std::left, '|', "current_");
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out << "\t" << ss.str() << std::endl;
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SS_RESET(ss, precision, std::left);
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SS_SPACE(ss, '-', space, std::left, '+');
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SS_SPACE(ss, '-', space, std::left, '+');
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SS_SPACE(ss, '-', space, std::left, '+');
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SS_SPACE(ss, '-', space, std::left, '+');
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SS_SPACE(ss, '-', space, std::left, '+');
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SS_SPACE(ss, '-', space, std::left, '+');
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SS_SPACE(ss, '-', space, std::left, '+');
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SS_SPACE(ss, '-', space, std::left, '+');
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SS_SPACE(ss, '-', space, std::left, '+');
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out << "\t" << ss.str() << std::endl;
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SS_RESET(ss, precision, std::left);
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SS__TEXT(ss, ' ', space - 1, std::right, " |", this->InitialPhase);
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SS__TEXT(ss, ' ', space - 1, std::right, " |", this->frequency_);
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SS__TEXT(ss, ' ', space - 1, std::right, " |", this->normalized_frequency_);
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SS__TEXT(ss, ' ', space - 1, std::right, " |", this->unitary_frequency_);
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SS__TEXT(ss, ' ', space - 1, std::right, " |", this->y0_);
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SS__TEXT(ss, ' ', space - 1, std::right, " |", this->y1_);
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SS__TEXT(ss, ' ', space - 1, std::right, " |", this->iir_coefficient_);
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SS__TEXT(ss, ' ', space - 1, std::right, " |", this->initial_amplitude_);
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SS__TEXT(ss, ' ', space - 1, std::right, " |", this->current_);
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out << "\t" << ss.str() << std::endl;
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out << "END " << tag << "(" << typeid(*this).name() << ") dump" << std::endl << std::endl;
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)
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IMPLEMENT_INSPECT(
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size_t nb_errors = 0u;
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nb_errors += inspector(tag + ".InitialPhase", this->InitialPhase, 0.0f, Constants::M2PI, deepInspection);
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nb_errors += inspector(tag + ".frequency_", this->frequency_, this->min_frequency_, this->max_frequency_, deepInspection);
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nb_errors += inspector(tag + ".normalized_frequency_", this->normalized_frequency_, 0.0f, 1.0f, deepInspection);
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nb_errors += inspector(tag + ".unitary_frequency_", this->unitary_frequency_, this->min_frequency_ / this->getSamplingRate(), this->max_frequency_ / this->getSamplingRate(), deepInspection);
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nb_errors += inspector(tag + ".current_", this->current_, -1.0f, 1.0f, deepInspection);
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return nb_errors;
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)
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};
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class InterpolatedSineOscillator : public FXBase
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{
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DISALLOW_COPY_AND_ASSIGN(InterpolatedSineOscillator);
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public:
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InterpolatedSineOscillator(float32_t sampling_rate, float32_t min_frequency = 0.01f, float32_t max_frequency = 10.0f, float32_t initial_phase = 0.0f);
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virtual ~InterpolatedSineOscillator();
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void setNormalizedFrequency(float32_t normalized_frequency);
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float32_t getNormalizedFrequency() const;
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void setFrequency(float32_t frequency);
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float32_t getFrequency() const;
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virtual void reset() override;
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float32_t process();
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float32_t current() const;
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private:
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static bool ClassInitializer();
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static const size_t DataPointSize = 352800;
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static const float32_t DeltaTime;
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static float32_t DataPoints[];
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const float32_t InitialPhase;
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const float32_t min_frequency_;
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const float32_t max_frequency_;
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float32_t frequency_;
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float32_t normalized_frequency_;
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float32_t phase_index_;
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float32_t phase_index_increment_;
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float32_t current_sample_;
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IMPLEMENT_DUMP(
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const size_t space = 22;
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const size_t precision = 5;
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std::stringstream ss;
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out << "START " << tag << "(" << typeid(*this).name() << ") dump" << std::endl << std::endl;
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SS_RESET(ss, precision, std::left);
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SS__TEXT(ss, ' ', space, std::left, '|', "InitialPhase");
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SS__TEXT(ss, ' ', space, std::left, '|', "normalized_frequency_");
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SS__TEXT(ss, ' ', space, std::left, '|', "frequency_");
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SS__TEXT(ss, ' ', space, std::left, '|', "phase_index_");
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SS__TEXT(ss, ' ', space, std::left, '|', "phase_index_increment_");
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SS__TEXT(ss, ' ', space, std::left, '|', "current_sample_");
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out << "\t" << ss.str() << std::endl;
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SS_RESET(ss, precision, std::left);
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SS_SPACE(ss, '-', space, std::left, '+');
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SS_SPACE(ss, '-', space, std::left, '+');
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SS_SPACE(ss, '-', space, std::left, '+');
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SS_SPACE(ss, '-', space, std::left, '+');
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SS_SPACE(ss, '-', space, std::left, '+');
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SS_SPACE(ss, '-', space, std::left, '+');
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out << "\t" << ss.str() << std::endl;
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SS_RESET(ss, precision, std::left);
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SS__TEXT(ss, ' ', space - 1, std::right, " |", this->InitialPhase);
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SS__TEXT(ss, ' ', space - 1, std::right, " |", this->normalized_frequency_);
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SS__TEXT(ss, ' ', space - 1, std::right, " |", this->frequency_);
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SS__TEXT(ss, ' ', space - 1, std::right, " |", this->phase_index_);
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SS__TEXT(ss, ' ', space - 1, std::right, " |", this->phase_index_increment_);
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SS__TEXT(ss, ' ', space - 1, std::right, " |", this->current_sample_);
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out << "\t" << ss.str() << std::endl;
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out << "END " << tag << "(" << typeid(*this).name() << ") dump" << std::endl << std::endl;
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)
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IMPLEMENT_INSPECT(
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size_t nb_errors = 0u;
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nb_errors += inspector(tag + ".InitialPhase", this->InitialPhase, 0.0f, Constants::M2PI, deepInspection);
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nb_errors += inspector(tag + ".normalized_frequency_", this->normalized_frequency_, 0.0f, 1.0f, deepInspection);
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nb_errors += inspector(tag + ".frequency_", this->frequency_, this->min_frequency_, this->max_frequency_, deepInspection);
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nb_errors += inspector(tag + ".phase_index_", this->phase_index_, 0.0f, static_cast<float32_t>(InterpolatedSineOscillator::DataPointSize), deepInspection);
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nb_errors += inspector(tag + ".current_sample_", this->current_sample_, -1.0f, 1.0f, deepInspection);
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return nb_errors;
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)
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};
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class ComplexLFO : public FXBase
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{
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DISALLOW_COPY_AND_ASSIGN(ComplexLFO);
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public:
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typedef enum {
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Sine,
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Saw,
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Square,
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SH,
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Noise
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} Waveform;
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ComplexLFO(float32_t sampling_rate, float32_t min_frequency = 0.01f, float32_t max_frequency = 10.0f, float32_t initial_phase = 0.0f);
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virtual ~ComplexLFO();
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void setWaveform(Waveform waveform);
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Waveform getWaveform() const;
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void setNormalizedFrequency(float32_t normalized_frequency);
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float32_t getNormalizedFrequency() const;
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void setFrequency(float32_t frequency);
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float32_t getFrequency() const;
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virtual void reset() override;
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float32_t process();
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float32_t current() const;
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private:
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const float32_t InitialPhase;
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const float32_t min_frequency_;
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const float32_t max_frequency_;
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Waveform waveform_;
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float32_t normalized_frequency_;
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float32_t frequency_;
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float32_t phase_;
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float32_t phase_increment_;
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float32_t current_sample_;
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bool new_phase_;
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std::random_device rnd_device_;
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std::mt19937 rnd_generator_;
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std::uniform_real_distribution<float32_t> rnd_distribution_;
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IMPLEMENT_DUMP(
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const size_t space = 21;
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const size_t precision = 5;
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std::stringstream ss;
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out << "START " << tag << "(" << typeid(*this).name() << ") dump" << std::endl << std::endl;
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SS_RESET(ss, precision, std::left);
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SS__TEXT(ss, ' ', space, std::left, '|', "InitialPhase");
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SS__TEXT(ss, ' ', space, std::left, '|', "normalized_frequency_");
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SS__TEXT(ss, ' ', space, std::left, '|', "frequency_");
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SS__TEXT(ss, ' ', space, std::left, '|', "phase_");
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SS__TEXT(ss, ' ', space, std::left, '|', "phase_increment_");
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SS__TEXT(ss, ' ', space, std::left, '|', "current_sample_");
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out << "\t" << ss.str() << std::endl;
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SS_RESET(ss, precision, std::left);
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SS_SPACE(ss, '-', space, std::left, '+');
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SS_SPACE(ss, '-', space, std::left, '+');
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SS_SPACE(ss, '-', space, std::left, '+');
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SS_SPACE(ss, '-', space, std::left, '+');
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SS_SPACE(ss, '-', space, std::left, '+');
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SS_SPACE(ss, '-', space, std::left, '+');
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out << "\t" << ss.str() << std::endl;
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SS_RESET(ss, precision, std::left);
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SS__TEXT(ss, ' ', space - 1, std::right, " |", this->InitialPhase);
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SS__TEXT(ss, ' ', space - 1, std::right, " |", this->normalized_frequency_);
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SS__TEXT(ss, ' ', space - 1, std::right, " |", this->frequency_);
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SS__TEXT(ss, ' ', space - 1, std::right, " |", this->phase_);
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SS__TEXT(ss, ' ', space - 1, std::right, " |", this->phase_increment_);
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SS__TEXT(ss, ' ', space - 1, std::right, " |", this->current_sample_);
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out << "\t" << ss.str() << std::endl;
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out << "END " << tag << "(" << typeid(*this).name() << ") dump" << std::endl << std::endl;
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)
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IMPLEMENT_INSPECT(
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size_t nb_errors = 0u;
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nb_errors += inspector(tag + ".InitialPhase", this->InitialPhase, 0.0f, Constants::M2PI, deepInspection);
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nb_errors += inspector(tag + ".normalized_frequency_", this->normalized_frequency_, 0.0f, 1.0f, deepInspection);
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nb_errors += inspector(tag + ".frequency_", this->frequency_, this->min_frequency_, this->max_frequency_, deepInspection);
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nb_errors += inspector(tag + ".phase_", this->phase_, 0.0f, Constants::M2PI, deepInspection);
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nb_errors += inspector(tag + ".phase_increment_", this->phase_increment_, 0.0f, Constants::M2PI, deepInspection);
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nb_errors += inspector(tag + ".current_sample_", this->current_sample_, -1.0f, 1.0f, deepInspection);
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return nb_errors;
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)
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};
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typedef ComplexLFO LFO;
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class JitterGenerator : public FXBase
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{
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DISALLOW_COPY_AND_ASSIGN(JitterGenerator);
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public:
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JitterGenerator(float32_t sampling_rate);
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virtual ~JitterGenerator();
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void setSpeed(float32_t speed);
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float32_t getSpeed() const;
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void setMagnitude(float32_t magnitude);
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float32_t getMagnitude() const;
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virtual void reset() override;
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float32_t process();
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private:
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std::random_device rnd_device_;
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std::mt19937 rnd_generator_;
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std::uniform_real_distribution<float32_t> rnd_distribution_;
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float32_t speed_;
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float32_t magnitude_;
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float32_t phase_;
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float32_t phase_increment_;
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IMPLEMENT_DUMP(
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const size_t space = 16;
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const size_t precision = 5;
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std::stringstream ss;
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out << "START " << tag << "(" << typeid(*this).name() << ") dump" << std::endl << std::endl;
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SS_RESET(ss, precision, std::left);
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SS__TEXT(ss, ' ', space, std::left, '|', "speed_");
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SS__TEXT(ss, ' ', space, std::left, '|', "magnitude_");
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SS__TEXT(ss, ' ', space, std::left, '|', "phase_");
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SS__TEXT(ss, ' ', space, std::left, '|', "phase_increment_");
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out << "\t" << ss.str() << std::endl;
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SS_RESET(ss, precision, std::left);
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SS_SPACE(ss, '-', space, std::left, '+');
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SS_SPACE(ss, '-', space, std::left, '+');
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SS_SPACE(ss, '-', space, std::left, '+');
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SS_SPACE(ss, '-', space, std::left, '+');
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out << "\t" << ss.str() << std::endl;
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SS_RESET(ss, precision, std::left);
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SS__TEXT(ss, ' ', space - 1, std::right, " |", this->speed_);
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SS__TEXT(ss, ' ', space - 1, std::right, " |", this->magnitude_);
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SS__TEXT(ss, ' ', space - 1, std::right, " |", this->phase_);
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SS__TEXT(ss, ' ', space - 1, std::right, " |", this->phase_increment_);
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out << "\t" << ss.str() << std::endl;
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out << "END " << tag << "(" << typeid(*this).name() << ") dump" << std::endl << std::endl;
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)
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IMPLEMENT_INSPECT(
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size_t nb_errors = 0u;
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nb_errors += inspector(tag + ".speed_", this->speed_, 0.0f, 0.45f * this->getSamplingRate(), deepInspection);
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nb_errors += inspector(tag + ".magnitude_", this->magnitude_, 0.0f, 1.0f, deepInspection);
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nb_errors += inspector(tag + ".phase_", this->phase_, 0.0f, Constants::M2PI, deepInspection);
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nb_errors += inspector(tag + ".phase_increment_", this->phase_increment_, 0.0f, 0.45f * Constants::M2PI, deepInspection);
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return nb_errors;
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)
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};
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class PerlinNoiseGenerator : public FXBase
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{
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DISALLOW_COPY_AND_ASSIGN(PerlinNoiseGenerator);
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public:
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PerlinNoiseGenerator(float32_t sampling_rate, float32_t rate = 0.2f);
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virtual ~PerlinNoiseGenerator();
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void setRate(float32_t rate);
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float32_t getRate() const;
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float32_t getCurrent() const;
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virtual void reset() override;
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float32_t process();
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private:
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static int hash(int x);
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static float32_t interpolate(float32_t a, float32_t b, float32_t x);
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static float32_t perlin(float32_t x);
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float32_t rate_;
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float32_t phase_;
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float32_t phase_increment_;
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float32_t current_;
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static const float32_t Gradients[];
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IMPLEMENT_DUMP(
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const size_t space = 16;
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const size_t precision = 5;
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std::stringstream ss;
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out << "START " << tag << "(" << typeid(*this).name() << ") dump" << std::endl << std::endl;
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SS_RESET(ss, precision, std::left);
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SS__TEXT(ss, ' ', space, std::left, '|', "rate_");
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SS__TEXT(ss, ' ', space, std::left, '|', "phase_");
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SS__TEXT(ss, ' ', space, std::left, '|', "phase_increment_");
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SS__TEXT(ss, ' ', space, std::left, '|', "current_");
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out << "\t" << ss.str() << std::endl;
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SS_RESET(ss, precision, std::left);
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SS_SPACE(ss, '-', space, std::left, '+');
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SS_SPACE(ss, '-', space, std::left, '+');
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SS_SPACE(ss, '-', space, std::left, '+');
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SS_SPACE(ss, '-', space, std::left, '+');
|
|
out << "\t" << ss.str() << std::endl;
|
|
|
|
SS_RESET(ss, precision, std::left);
|
|
SS__TEXT(ss, ' ', space - 1, std::right, " |", this->rate_);
|
|
SS__TEXT(ss, ' ', space - 1, std::right, " |", this->phase_);
|
|
SS__TEXT(ss, ' ', space - 1, std::right, " |", this->phase_increment_);
|
|
SS__TEXT(ss, ' ', space - 1, std::right, " |", this->current_);
|
|
out << "\t" << ss.str() << std::endl;
|
|
|
|
out << "END " << tag << "(" << typeid(*this).name() << ") dump" << std::endl << std::endl;
|
|
)
|
|
|
|
IMPLEMENT_INSPECT(
|
|
size_t nb_errors = 0u;
|
|
|
|
nb_errors += inspector(tag + ".rate_", this->rate_, 0.0f, 1.0f, deepInspection);
|
|
nb_errors += inspector(tag + ".phase_", this->phase_, 0.0f, Constants::M2PI, deepInspection);
|
|
nb_errors += inspector(tag + ".phase_increment_", this->phase_increment_, 0.0f, Constants::M2PI / this->getSamplingRate(), deepInspection);
|
|
nb_errors += inspector(tag + ".current_", this->current_, -1.0f, 1.0f, deepInspection);
|
|
|
|
return nb_errors;
|
|
)
|
|
};
|
|
|
|
float32_t softSaturator1(float32_t in, float32_t threshold);
|
|
float32_t softSaturator2(float32_t in, float32_t saturation);
|
|
float32_t softSaturator3(float32_t in, float32_t saturation);
|
|
float32_t softSaturator4(float32_t in, float32_t saturation);
|
|
|
|
float32_t waveFolder(float32_t input, float32_t bias); |