There was a bigger problem with a SEGV which I can't fix. So I decided to got

back to a1f53457f8 and start again with
implementing the feature of configuring in realtime how much voices (1..32) you
may want to use.
Also made some cleanup.

src/Makefile

@@ -1,7 +1,7 @@
 BUNDLE=dexed.lv2
 TARGET=dexed.so
 
-DEBUG=1
+#DEBUG=1
 #FILETRACE=1
 
 INSTALL_DIR=/zynthian/zynthian-plugins/lv2

src/dexed.cpp

@@ -65,8 +65,8 @@ Dexed::Dexed(double rate) : lvtk::Synth<DexedVoice, Dexed>(p_n_ports, p_midi_in)
     TRACE("%d->%f",i,data_float[i]);
   }
 
-  currentNote = 0;
   max_notes=16;
+  currentNote = 0;
   controllers.values_[kControllerPitch] = 0x2000;
   controllers.values_[kControllerPitchRange] = 0;
   controllers.values_[kControllerPitchStep] = 0;
@@ -83,7 +83,7 @@ Dexed::Dexed(double rate) : lvtk::Synth<DexedVoice, Dexed>(p_n_ports, p_midi_in)
 
   lfo.reset(data+137);
 
-  normalizeDxVelocity = false;
+  //normalizeDxVelocity = false;
 
   setMonoMode(false);
 
@@ -419,8 +419,9 @@ void Dexed::run (uint32_t sample_count)
 void Dexed::GetSamples(uint32_t n_samples, float* buffer)
 {
   uint32_t i;
+
   if(refreshVoice) {
-    for(i=0;i < MAX_ACTIVE_NOTES;i++) {
+    for(i=0;i < max_notes;i++) {
       if ( voices[i].live )
         voices[i].dx7_note->update(data, voices[i].midi_note, feedback_bitdepth);
     }
@@ -454,7 +455,7 @@ void Dexed::GetSamples(uint32_t n_samples, float* buffer)
       int32_t lfovalue = lfo.getsample();
       int32_t lfodelay = lfo.getdelay();
             
-      for (uint8_t note = 0; note < MAX_ACTIVE_NOTES; ++note) {
+      for (uint8_t note = 0; note < max_notes; ++note) {
         if (voices[note].live) {
           voices[note].dx7_note->compute(audiobuf.get(), lfovalue, lfodelay, &controllers);
           for (uint32_t j=0; j < N; ++j) {
@@ -487,7 +488,7 @@ void Dexed::GetSamples(uint32_t n_samples, float* buffer)
   {
     uint8_t op_carrier=controllers.core->get_carrier_operators(data[134]); // look for carriers
 
-    for(i=0;i < MAX_ACTIVE_NOTES;i++)
+    for(i=0;i < max_notes;i++)
     {
       if(voices[i].live==true)
       {
@@ -565,7 +566,7 @@ void Dexed::ProcessMidiMessage(const uint8_t *buf, uint32_t buf_size) {
                     TRACE("MIDI sustain event: %d %d",ctrl,value);
                     sustain = value > 63;
                     if (!sustain) {
-                        for (uint8_t note = 0; note < MAX_ACTIVE_NOTES; note++) {
+                        for (uint8_t note = 0; note < max_notes; note++) {
                             if (voices[note].sustained && !voices[note].keydown) {
                                 voices[note].dx7_note->keyup();
                                 voices[note].sustained = false;
@@ -619,9 +620,9 @@ TRACE("pitch=%d, velo=%d\n",pitch,velo);
     uint8_t note = currentNote;
     uint8_t keydown_counter=0;
 
-    for (uint8_t i=0; i<MAX_ACTIVE_NOTES; i++) {
+    for (uint8_t i=0; i<max_notes; i++) {
         if (!voices[note].keydown) {
-            currentNote = (note + 1) % MAX_ACTIVE_NOTES;
+            currentNote = (note + 1) % max_notes;
             voices[note].midi_note = pitch;
             voices[note].sustained = sustain;
             voices[note].keydown = true;
@@ -633,13 +634,13 @@ TRACE("pitch=%d, velo=%d\n",pitch,velo);
         else
 	  keydown_counter++;
 
-        note = (note + 1) % MAX_ACTIVE_NOTES;
+        note = (note + 1) % max_notes;
     }
     
     if(keydown_counter==0)
       lfo.keydown();
     if ( monoMode ) {
-        for(uint8_t i=0; i<MAX_ACTIVE_NOTES; i++) {            
+        for(uint8_t i=0; i<max_notes; i++) {            
             if ( voices[i].live ) {
                 // all keys are up, only transfer signal
                 if ( ! voices[i].keydown ) {
@@ -664,10 +665,11 @@ TRACE("Bye");
 void Dexed::keyup(uint8_t pitch) {
 TRACE("Hi");
 TRACE("pitch=%d\n",pitch);
-    uint8_t note;
 
     pitch += data[144] - 24;
-    for (note=0; note<MAX_ACTIVE_NOTES; ++note) {
+
+    uint8_t note;
+    for (note=0; note<max_notes; ++note) {
         if ( voices[note].midi_note == pitch && voices[note].keydown ) {
             voices[note].keydown = false;
             break;
@@ -675,7 +677,7 @@ TRACE("pitch=%d\n",pitch);
     }
     
     // note not found ?
-    if ( note >= MAX_ACTIVE_NOTES ) {
+    if ( note >= max_notes ) {
         TRACE("note-off not found???");
         return;
     }
@@ -683,7 +685,7 @@ TRACE("pitch=%d\n",pitch);
     if ( monoMode ) {
         int8_t highNote = -1;
         int8_t target = 0;
-        for (int8_t i=0; i<MAX_ACTIVE_NOTES;i++) {
+        for (int8_t i=0; i<max_notes;i++) {
             if ( voices[i].keydown && voices[i].midi_note > highNote ) {
                 target = i;
                 highNote = voices[i].midi_note;
@@ -707,6 +709,7 @@ TRACE("Bye");
 
 void Dexed::onParam(uint8_t param_num,float param_val)
 {
+  int32_t tune;
 
   if(param_val!=data_float[param_num])
   {
@@ -756,6 +759,10 @@ void Dexed::onParam(uint8_t param_num,float param_val)
       case 164:
         controllers.at.setTarget(data[param_num]);
         break;
+      case 165:
+        tune=param_val*0x4000;
+        controllers.masterTune=(tune<<11)*(1.0/12);
+        break;
       case 166:
       case 167:
       case 168:
@@ -764,9 +771,8 @@ void Dexed::onParam(uint8_t param_num,float param_val)
       case 171:
         controllers.opSwitch=(data[166]<<5)|(data[167]<<4)|(data[168]<<3)|(data[169]<<2)|(data[170]<<1)|data[171];
         break;
-      case 165:
+      case 172:
-        int32_t tune=param_val*0x4000;
+        max_notes=data[param_num];
-        controllers.masterTune=(tune<<11)*(1.0/12);
 	break;
     }
 
@@ -820,6 +826,7 @@ void Dexed::panic(void) {
   for(uint8_t i=0;i<MAX_ACTIVE_NOTES;i++) {
     voices[i].keydown = false;
     voices[i].live = false;
+    voices[i].sustained = false;
     if ( voices[i].dx7_note != NULL ) {
       voices[i].dx7_note->oscSync();
     }

src/dexed.h

@@ -97,14 +97,14 @@ class Dexed : public lvtk::Synth<DexedVoice, Dexed>
     void keydown(uint8_t pitch, uint8_t velo);
     void panic(void);
 
-    static const uint8_t MAX_ACTIVE_NOTES = 16;
+    static const uint8_t MAX_ACTIVE_NOTES = 32;
+    uint8_t max_notes=MAX_ACTIVE_NOTES;
     ProcessorVoice voices[MAX_ACTIVE_NOTES];
-    uint8_t max_notes;
     uint8_t currentNote;
     bool sustain;
     bool monoMode;
     bool refreshVoice;
-    bool normalizeDxVelocity;
+    //bool normalizeDxVelocity;
     uint8_t engineType;
     uint8_t feedback_bitdepth;
     PluginFx fx;