More sensible range for threshold, add post gain

dynamite.ttl

@@ -45,6 +45,15 @@
             lv2:symbol "threshold" ;
             lv2:name "Threshold" ;
             lv2:default 10.0 ;
-            lv2:minimum 0.0 ;
+            lv2:minimum -60.0 ;
-            lv2:maximum 1.0 ;
+            lv2:maximum 0.0 ;
+        ] ,
+        [
+            a lv2:InputPort , lv2:ControlPort ;
+            lv2:index 4 ;
+            lv2:symbol "gain" ;
+            lv2:name "Gain" ;
+            lv2:default 0.0 ;
+            lv2:minimum -20.0 ;
+            lv2:maximum 20.0 ;
         ].

plugin.cc

@@ -16,19 +16,24 @@ namespace Dynamite {
             case THRESHOLD:
                 threshold = (const float *)data;
                 break;
+            case GAIN:
+                gain = (const float *)data;
         }
     }
 
     void Drive::run(uint32_t n_samples) {
         const float coeff = dbCo(*drive);
+        const float threshCoeff = dbCo(*threshold);
+        const float gainCoeff = dbCo(*gain);
 
         for(uint32_t pos = 0; pos < n_samples; pos++) {
             output[pos] = input[pos] * coeff;
-            if(output[pos] > *threshold) {
+            if(output[pos] > threshCoeff) {
-                output[pos] = *threshold;
+                output[pos] = threshCoeff;
-            } else if (output[pos] < -*threshold) {
+            } else if (output[pos] < -threshCoeff) {
-                output[pos] = -*threshold;
+                output[pos] = -threshCoeff;
             }
+            output[pos] = output[pos] * gainCoeff;
         }
     }
 }

plugin.hh

@@ -6,12 +6,13 @@ using namespace LV2;
 
 namespace Dynamite {
     enum PluginPort {
-        IN, OUT, DRIVE, THRESHOLD
+        IN, OUT, DRIVE, THRESHOLD, GAIN
     };
 
     class Drive : public Plugin<Drive> {
         const float *drive;
         const float *threshold;
+        const float *gain;
         const float *input;
         float *output;
     public: