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MicroDexed
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MicroDexed/third-party/Synth_Dexed/dexed.h

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/*
MicroDexed
MicroDexed is a port of the Dexed sound engine
(https://github.com/asb2m10/dexed) for the Teensy-3.5/3.6/4.x with audio shield.
Dexed ist heavily based on https://github.com/google/music-synthesizer-for-android
(c)2018-2021 H. Wirtz <wirtz@parasitstudio.de>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
//#define DISABLE_DEXED_COMPRESSOR 1
#ifndef DEXED_H_INCLUDED
#define DEXED_H_INCLUDED
#include <stdint.h>
#include <cstdlib>
#include <arm_math.h>
#if defined(TEENSYDUINO)
#include <Audio.h>
#endif
#include "fm_op_kernel.h"
#include "synth.h"
#include "env.h"
#include "aligned_buf.h"
#include "pitchenv.h"
#include "controllers.h"
#include "dx7note.h"
#include "lfo.h"
#include "PluginFx.h"
#include "compressor.h"
#include "EngineMsfa.h"
#include "EngineMkI.h"
#include "EngineOpl.h"
#define NUM_VOICE_PARAMETERS 156
struct ProcessorVoice {
uint8_t midi_note;
uint8_t velocity;
int16_t porta;
bool keydown;
bool sustained;
bool live;
uint32_t key_pressed_timer;
Dx7Note *dx7_note;
};
enum DexedVoiceOPParameters {
DEXED_OP_EG_R1, // 0
DEXED_OP_EG_R2, // 1
DEXED_OP_EG_R3, // 2
DEXED_OP_EG_R4, // 3
DEXED_OP_EG_L1, // 4
DEXED_OP_EG_L2, // 5
DEXED_OP_EG_L3, // 6
DEXED_OP_EG_L4, // 7
DEXED_OP_LEV_SCL_BRK_PT, // 8
DEXED_OP_SCL_LEFT_DEPTH, // 9
DEXED_OP_SCL_RGHT_DEPTH, // 10
DEXED_OP_SCL_LEFT_CURVE, // 11
DEXED_OP_SCL_RGHT_CURVE, // 12
DEXED_OP_OSC_RATE_SCALE, // 13
DEXED_OP_AMP_MOD_SENS, // 14
DEXED_OP_KEY_VEL_SENS, // 15
DEXED_OP_OUTPUT_LEV, // 16
DEXED_OP_OSC_MODE, // 17
DEXED_OP_FREQ_COARSE, // 18
DEXED_OP_FREQ_FINE, // 19
DEXED_OP_OSC_DETUNE // 20
};
#define DEXED_VOICE_OFFSET 126
enum DexedVoiceParameters {
DEXED_PITCH_EG_R1, // 0
DEXED_PITCH_EG_R2, // 1
DEXED_PITCH_EG_R3, // 2
DEXED_PITCH_EG_R4, // 3
DEXED_PITCH_EG_L1, // 4
DEXED_PITCH_EG_L2, // 5
DEXED_PITCH_EG_L3, // 6
DEXED_PITCH_EG_L4, // 7
DEXED_ALGORITHM, // 8
DEXED_FEEDBACK, // 9
DEXED_OSC_KEY_SYNC, // 10
DEXED_LFO_SPEED, // 11
DEXED_LFO_DELAY, // 12
DEXED_LFO_PITCH_MOD_DEP, // 13
DEXED_LFO_AMP_MOD_DEP, // 14
DEXED_LFO_SYNC, // 15
DEXED_LFO_WAVE, // 16
DEXED_LFO_PITCH_MOD_SENS, // 17
DEXED_TRANSPOSE, // 18
DEXED_NAME // 19
};
enum ADSR {
ATTACK,
DECAY,
SUSTAIN,
RELEASE
};
enum OPERATORS {
OP1,
OP2,
OP3,
OP4,
OP5,
OP6
};
enum CONTROLLER_ASSIGN {
NONE,
PITCH,
AMP,
PITCH_AMP,
EG,
PITCH_EG,
AMP_EG,
PITCH_AMP_EG
};
enum PORTAMENTO_MODE {
RETAIN,
FOLLOW
};
enum ON_OFF {
OFF,
ON
};
enum VELOCITY_SCALES {
MIDI_VELOCITY_SCALING_OFF,
MIDI_VELOCITY_SCALING_DX7,
MIDI_VELOCITY_SCALING_DX7II
};
enum ENGINES {
MSFA,
MKI,
OPL
};
// GLOBALS
//==============================================================================
class Dexed
{
public:
Dexed(uint8_t maxnotes, uint16_t rate);
~Dexed();
// Global methods
void activate(void);
void deactivate(void);
bool getMonoMode(void);
void setMonoMode(bool mode);
void setNoteRefreshMode(bool mode);
uint8_t getMaxNotes(void);
void doRefreshVoice(void);
void setOPAll(uint8_t ops);
bool decodeVoice(uint8_t* data, uint8_t* encoded_data);
bool encodeVoice(uint8_t* encoded_data);
bool getVoiceData(uint8_t* data_copy);
void setVoiceDataElement(uint8_t address, uint8_t value);
uint8_t getVoiceDataElement(uint8_t address);
void loadInitVoice(void);
void loadVoiceParameters(uint8_t* data);
uint8_t getNumNotesPlaying(void);
uint32_t getXRun(void);
uint16_t getRenderTimeMax(void);
void resetRenderTimeMax(void);
void ControllersRefresh(void);
void setVelocityScale(uint8_t offset, uint8_t max);
void getVelocityScale(uint8_t* offset, uint8_t* max);
void setVelocityScale(uint8_t setup);
void setMaxNotes(uint8_t n);
void setEngineType(uint8_t engine);
uint8_t getEngineType(void);
FmCore* getEngineAddress(void);
#ifndef TEENSYDUINO
void setCompressor(bool comp);
bool getCompressor(void);
void setCompressorPreGain_dB(float pre_gain);
void setCompressorAttack_sec(float attack_sec);
void setCompressorRelease_sec(float release_sec);
void setCompressorThresh_dBFS(float thresh_dBFS);
void setCompressionRatio(float comp_ratio);
float getCompressorPreGain_dB(void);
float getCompressorAttack_sec(void);
float getCompressorRelease_sec(void);
float getCompressorThresh_dBFS(void);
float getCompressionRatio(void);
#endif
int16_t checkSystemExclusive(const uint8_t* sysex, const uint16_t len);
// Sound methods
void keyup(uint8_t pitch);
void keydown(uint8_t pitch, uint8_t velo);
void setSustain(bool sustain);
bool getSustain(void);
void panic(void);
void notesOff(void);
void resetControllers(void);
void setMasterTune(int8_t mastertune);
int8_t getMasterTune(void);
void setPortamento(uint8_t portamento_mode, uint8_t portamento_glissando, uint8_t portamento_time);
void setPortamentoMode(uint8_t portamento_mode);
uint8_t getPortamentoMode(void);
void setPortamentoGlissando(uint8_t portamento_glissando);
uint8_t getPortamentoGlissando(void);
void setPortamentoTime(uint8_t portamento_time);
uint8_t getPortamentoTime(void);
void setPBController(uint8_t pb_range, uint8_t pb_step);
void setMWController(uint8_t mw_range, uint8_t mw_assign, uint8_t mw_mode);
void setFCController(uint8_t fc_range, uint8_t fc_assign, uint8_t fc_mode);
void setBCController(uint8_t bc_range, uint8_t bc_assign, uint8_t bc_mode);
void setATController(uint8_t at_range, uint8_t at_assign, uint8_t at_mode);
void setModWheel(uint8_t value);
uint8_t getModWheel(void);
void setBreathController(uint8_t value);
uint8_t getBreathController(void);
void setFootController(uint8_t value);
uint8_t getFootController(void);
void setAftertouch(uint8_t value);
uint8_t getAftertouch(void);
void setPitchbend(uint8_t value1, uint8_t value2);
void setPitchbend(int16_t value);
void setPitchbend(uint16_t value);
int16_t getPitchbend(void);
void setPitchbendRange(uint8_t range);
uint8_t getPitchbendRange(void);
void setPitchbendStep(uint8_t step);
uint8_t getPitchbendStep(void);
void setModWheelRange(uint8_t range);
uint8_t getModWheelRange(void);
void setModWheelTarget(uint8_t target);
uint8_t getModWheelTarget(void);
void setFootControllerRange(uint8_t range);
uint8_t getFootControllerRange(void);
void setFootControllerTarget(uint8_t target);
uint8_t getFootControllerTarget(void);
void setBreathControllerRange(uint8_t range);
uint8_t getBreathControllerRange(void);
void setBreathControllerTarget(uint8_t target);
uint8_t getBreathControllerTarget(void);
void setAftertouchRange(uint8_t range);
uint8_t getAftertouchRange(void);
void setAftertouchTarget(uint8_t target);
uint8_t getAftertouchTarget(void);
void setFilterCutoff(float cutoff);
float getFilterCutoff(void);
void setFilterResonance(float resonance);
float getFilterResonance(void);
void setGain(float gain);
float getGain(void);
// Voice configuration methods
void setOPRateAll(uint8_t rate);
void setOPLevelAll(uint8_t level);
void setOPRateAllCarrier(uint8_t step, uint8_t rate);
void setOPLevelAllCarrier(uint8_t step, uint8_t level);
void setOPRateAllModulator(uint8_t step, uint8_t rate);
void setOPLevelAllModulator(uint8_t step, uint8_t level);
void setOPRate(uint8_t op, uint8_t step, uint8_t rate);
uint8_t getOPRate(uint8_t op, uint8_t step);
void setOPLevel(uint8_t op, uint8_t step, uint8_t level);
uint8_t getOPLevel(uint8_t op, uint8_t step);
void setOPKeyboardLevelScalingBreakPoint(uint8_t op, uint8_t level);
uint8_t getOPKeyboardLevelScalingBreakPoint(uint8_t op);
void setOPKeyboardLevelScalingDepthLeft(uint8_t op, uint8_t depth);
uint8_t getOPKeyboardLevelScalingDepthLeft(uint8_t op);
void setOPKeyboardLevelScalingDepthRight(uint8_t op, uint8_t depth);
uint8_t getOPKeyboardLevelScalingDepthRight(uint8_t op);
void setOPKeyboardLevelScalingCurveLeft(uint8_t op, uint8_t curve);
uint8_t getOPKeyboardLevelScalingCurveLeft(uint8_t op);
void setOPKeyboardLevelScalingCurveRight(uint8_t op, uint8_t curve);
uint8_t getOPKeyboardLevelScalingCurveRight(uint8_t op);
void setOPKeyboardRateScale(uint8_t op, uint8_t scale);
uint8_t getOPKeyboardRateScale(uint8_t op);
void setOPAmpModulationSensity(uint8_t op, uint8_t sensitivity);
uint8_t getOPAmpModulationSensity(uint8_t op);
void setOPKeyboardVelocitySensity(uint8_t op, uint8_t sensitivity);
uint8_t getOPKeyboardVelocitySensity(uint8_t op);
void setOPOutputLevel(uint8_t op, uint8_t level);
uint8_t getOPOutputLevel(uint8_t op);
void setOPMode(uint8_t op, uint8_t mode);
uint8_t getOPMode(uint8_t op);
void setOPFrequencyCoarse(uint8_t op, uint8_t frq_coarse);
uint8_t getOPFrequencyCoarse(uint8_t op);
void setOPFrequencyFine(uint8_t op, uint8_t frq_fine);
uint8_t getOPFrequencyFine(uint8_t op);
void setOPDetune(uint8_t op, uint8_t detune);
uint8_t getOPDetune(uint8_t op);
void setPitchRate(uint8_t step, uint8_t rate);
uint8_t getPitchRate(uint8_t step);
void setPitchLevel(uint8_t step, uint8_t level);
uint8_t getPitchLevel(uint8_t step);
void setAlgorithm(uint8_t algorithm);
uint8_t getAlgorithm(void);
void setFeedback(uint8_t feedback);
uint8_t getFeedback(void);
void setOscillatorSync(bool sync);
bool getOscillatorSync(void);
void setLFOSpeed(uint8_t speed);
uint8_t getLFOSpeed(void);
void setLFODelay(uint8_t delay);
uint8_t getLFODelay(void);
void setLFOPitchModulationDepth(uint8_t depth);
uint8_t getLFOPitchModulationDepth(void);
void setLFOAmpModulationDepth(uint8_t delay);
uint8_t getLFOAmpModulationDepth(void);
void setLFOSync(bool sync);
bool getLFOSync(void);
void setLFOWaveform(uint8_t waveform);
uint8_t getLFOWaveform(void);
void setLFOPitchModulationSensitivity(uint8_t sensitivity);
uint8_t getLFOPitchModulationSensitivity(void);
void setTranspose(uint8_t transpose);
uint8_t getTranspose(void);
void setName(char* name);
void getName(char* buffer);
ProcessorVoice* voices;
protected:
uint8_t init_voice[NUM_VOICE_PARAMETERS] = {
99, 99, 99, 99, 99, 99, 99, 00, 33, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 00, // OP6 eg_rate_1-4, level_1-4, kbd_lev_scl_brk_pt, kbd_lev_scl_lft_depth, kbd_lev_scl_rht_depth, kbd_lev_scl_lft_curve, kbd_lev_scl_rht_curve, kbd_rate_scaling, amp_mod_sensitivity, key_vel_sensitivity, operator_output_level, osc_mode, osc_freq_coarse, osc_freq_fine, osc_detune
99, 99, 99, 99, 99, 99, 99, 00, 33, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 00, // OP5
99, 99, 99, 99, 99, 99, 99, 00, 33, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 00, // OP4
99, 99, 99, 99, 99, 99, 99, 00, 33, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 00, // OP4
99, 99, 99, 99, 99, 99, 99, 00, 33, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 00, // OP4
99, 99, 99, 99, 99, 99, 99, 00, 33, 00, 00, 00, 00, 00, 00, 00, 99, 00, 01, 00, 00, // OP4
99, 99, 99, 99, 50, 50, 50, 50, // 4 * pitch EG rates, 4 * pitch EG level
01, 00, 01, // algorithm, feedback, osc sync
35, 00, 00, 00, 01, 00, // lfo speed, lfo delay, lfo pitch_mod_depth, lfo_amp_mod_depth, lfo_sync, lfo_waveform
03, 48, // pitch_mod_sensitivity, transpose
73, 78, 73, 84, 32, 86, 79, 73, 67, 69 // 10 * char for name ("INIT VOICE")
};
float samplerate;
uint8_t data[NUM_VOICE_PARAMETERS];
uint8_t max_notes;
uint8_t used_notes;
PluginFx fx;
Controllers controllers;
int32_t lastKeyDown;
uint32_t xrun;
uint16_t render_time_max;
int16_t currentNote;
bool sustain;
float vuSignal;
bool monoMode;
bool noteRefreshMode;
bool refreshVoice;
uint8_t engineType;
VoiceStatus voiceStatus;
Lfo lfo;
EngineMsfa* engineMsfa;
EngineMkI* engineMkI;
EngineOpl* engineOpl;
void getSamples(float* buffer, uint16_t n_samples);
void getSamples(int16_t* buffer, uint16_t n_samples);
void compress(float* wav_in, float* wav_out, uint16_t n, float threshold, float slope, uint16_t sr, float tla, float twnd, float tatt, float trel);
bool use_compressor;
uint8_t velocity_offset;
uint8_t velocity_max;
float velocity_diff;
#ifndef TEENSYDUINO
Compressor* compressor;
#endif
};
#endif