Fixing pitchbend code for using with LV2

src/Dexed.ttl

@@ -1832,7 +1832,7 @@
         lv2:index 152 ;
         lv2:symbol "pitch_bend_range" ;
         lv2:name "PITCH BEND RANGE" ;
-        lv2:default 1 ;
+        lv2:default 12 ;
         lv2:minimum 0 ;
         lv2:maximum 12 ;
 	lv2:portProperty lv2:integer ;
@@ -1842,7 +1842,27 @@
         lv2:index 153 ;
         lv2:symbol "pitch_bend_step" ;
         lv2:name "PITCH BEND STEP" ;
-        lv2:default 0 ;
+        lv2:default 12 ;
+        lv2:minimum 0 ;
+        lv2:maximum 12 ;
+	lv2:portProperty lv2:integer ;
+    ] ,
+    [
+        a lv2:InputPort, lv2:ControlPort ;
+        lv2:index 154 ;
+        lv2:symbol "mod_wheel_range" ;
+        lv2:name "MOD WHEEL RANGE" ;
+        lv2:default 12 ;
+        lv2:minimum 0 ;
+        lv2:maximum 12 ;
+	lv2:portProperty lv2:integer ;
+    ] ,
+    [
+        a lv2:InputPort, lv2:ControlPort ;
+        lv2:index 155 ;
+        lv2:symbol "mod_wheel_step" ;
+        lv2:name "MOD WHEEL STEP" ;
+        lv2:default 12 ;
         lv2:minimum 0 ;
         lv2:maximum 12 ;
 	lv2:portProperty lv2:integer ;

src/dexed.cpp

@@ -41,7 +41,7 @@ Dexed::Dexed(double rate) : lvtk::Synth<DexedVoice, Dexed>(p_n_ports, p_midi_in)
     voices[i].live = false;
   }
 
-  for(i=0;i<156;++i)
+  for(i=0;i<156+4;++i)
     data_float[i]=static_cast<float>(data[i]);
 
   currentNote = 0;

src/dexed.h

@@ -117,9 +117,9 @@ class Dexed : public lvtk::Synth<DexedVoice, Dexed>
   private:
     double _rate;
     uint8_t _param_counter;
-    float data_float[156];
+    float data_float[156+4];
     //uint8_t data[156];
-    uint8_t data[156]={
+    uint8_t data[156+4]={
       95, 29, 20, 50, 99, 95, 00, 00, 41, 00, 19, 00, 00, 03, 00, 06, 79, 00, 01, 00, 14,
       95, 20, 20, 50, 99, 95, 00, 00, 00, 00, 00, 00, 00, 03, 00, 00, 99, 00, 01, 00, 00,
       95, 29, 20, 50, 99, 95, 00, 00, 00, 00, 00, 00, 00, 03, 00, 06, 89, 00, 01, 00, 07,
@@ -131,7 +131,8 @@ class Dexed : public lvtk::Synth<DexedVoice, Dexed>
       34, 33, 00, 00, 00, 04,
       03, 24,
       00, 00, 00, 00, 00, 00, 00, 00, 00, 00,
-      63 };
+      63,
+      12, 12, 12, 12};
 };
 
 #endif  // PLUGINPROCESSOR_H_INCLUDED

src/manifest.ttl

@@ -11,7 +11,7 @@
     a lv2:Plugin ;
     doap:name "Dexed is a LV2 port of the famous DX-7 simulation which is based on MSFA." ;
     doap:description "Synth" ;
-    doap:shortdesc "An LV2 port of the Dexed plugin" ;
+    doap:shortdesc "Dexed" ;
     lv2:minorVersion 1; lv2:microVersion 0;
     doap:homepage <https://github.com/dcoredump/dexed/tree/native-lv2> ;
         doap:maintainer [

src/msfa/dx7note.cc

@@ -190,12 +190,26 @@ void Dx7Note::compute(int32_t *buf, int32_t lfo_val, int32_t lfo_delay, const Co
     int32_t pitch_mod = max(pmod_1, pmod_2);
     pitch_mod = pitchenv_.getsample() + (pitch_mod * (senslfo < 0 ? -1 : 1));
     
-/*    // ---- PITCH BEND ----
+#ifdef DEBUG
+    // ---- PITCH BEND ----
+  // hardcodes a pitchbend range of 3 semitones, TODO make configurable
   int pitchbend = ctrls->values_[kControllerPitch];
+  int32_t pb = (pitchbend - 0x2000) << 9;
+  pitch_mod += pb;
+  for (int op = 0; op < 6; op++) {
+    params_[op].level_in = params_[op].gain_out;
+    int32_t level = env_[op].getsample();
+    int32_t gain = Exp2::lookup(level - (14 * (1 << 24)));
+    // int32_t gain = pow(2, 10 + level * (1.0 / (1 << 24)));
+    params_[op].freq = Freqlut::lookup(basepitch_[op] + pitch_mod);
+    params_[op].gain_out = gain;
+  }
+
+/*    int pitchbend = ctrls->values_[kControllerPitch];
     int32_t pb = (pitchbend - 0x2000);
     if (pb != 0) {
         if (ctrls->values_[kControllerPitchStep] == 0) {
-            pb = ((float) (pb << 11)) * ((float) ctrls->values_[kControllerPitchRange]) / 12.0;
+            pb = ((float) (pb << 11)) * ((float)ctrls->values_[kControllerPitchRange]) / 12.0;
         } else {
             int stp = 12 / ctrls->values_[kControllerPitchStep];
             pb = pb * stp / 8191;
@@ -203,8 +217,10 @@ void Dx7Note::compute(int32_t *buf, int32_t lfo_val, int32_t lfo_delay, const Co
         }
     }
     pitch_mod += pb;
-    pitch_mod += ctrls->masterTune;
+    pitch_mod += ctrls->masterTune; */
-*/    
+TRACE("pitch_mod=%d pb=%d");
+#endif
+
     // ==== AMP MOD ====
     uint32_t amod_1 = ((int64_t) ampmoddepth_ * (int64_t) lfo_delay) >> 8; // Q24 :D
     amod_1 = ((int64_t) amod_1 * (int64_t) lfo_val) >> 24;