Analog synthesis engine for Klang Modular
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#ifndef __SYNTH_H__
#define __SYNTH_H__
#include "voicemanager.h"
#include "channel.h"
#include "dsp/frame.h"
//#include "dsp/reverb.h"
#include "luts.h"
#include "perf.h"
class Synth {
public:
Synth() {
genLUTs();
for(VoiceManager::channel_t i = 0; i < 16; ++i) {
channels[i].number = i;
channels[i].voiceManager = &voiceManager;
channels[i].loadPreset(&DEFAULT_PRESET);
}
}
void noteOn(int ch, int note, int vel);
void noteOff(int ch, int note);
void control(int ch, int cc, int val);
inline void tick(float* out, const size_t bufferSize) {
nano_t started = nanos();
std::fill(out, out + bufferSize, 0.f);
//float reverbBus[bufferSize];
//std::fill(reverbBus, reverbBus + bufferSize, 0.f);
for(auto& channel : channels) {
float chOut[bufferSize];
if(!channel.tick(chOut, bufferSize)) {
continue;
}
for(size_t i = 0; i < bufferSize; ++i) {
out[i] += chOut[i];
}
//for(size_t i = 0; i < bufferSize; ++i) {
// reverbBus[i] += channel.settings.reverb * chOut[i];
//}
}
/*
for(size_t i = 0; i < bufferSize; i += 2) {
frame f = {reverbBus[i], reverbBus[i + 1]};
f = reverb.tick(f);
out[i] += f.l;
out[i + 1] += f.r;
}
*/
for(size_t i = 0; i < bufferSize; ++i) {
out[i] *= 0.125f;
}
nano_t finished = nanos();
perfNanos.total += finished - started;
}
private:
VoiceManager voiceManager{};
Channel channels[16];
//Reverb reverb;
};
#endif