fix: #258

free-audio · Jun 11, 2024 · 78e46ed · 78e46ed
1 parent 6fa9e1c
commit 78e46ed
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Showing 2 changed files with 6 additions and 6 deletions.
diff --git a/src/detail/vst3/parameter.cpp b/src/detail/vst3/parameter.cpp
@@ -123,7 +123,7 @@ Vst3Parameter* Vst3Parameter::create(
   v.defaultNormalizedValue = (info->default_value - info->min_value) / param_range;
   if ((info->flags & CLAP_PARAM_IS_STEPPED) || (info->flags & CLAP_PARAM_IS_ENUM))
   {
-    auto steps = param_range + 1;
+    auto steps = param_range;
     v.stepCount = steps;
   }
   else
@@ -166,15 +166,15 @@ Vst3Parameter* Vst3Parameter::create(uint8_t bus, uint8_t channel, uint8_t cc, V
   if (cc == Vst::ControllerNumbers::kCtrlProgramChange)
   {
     v.flags |= Vst::ParameterInfo::kIsProgramChange | Vst::ParameterInfo::kCanAutomate;
-    v.stepCount = 128;
+    v.stepCount = 127;
   }
 
   v.defaultNormalizedValue = 0;
-  v.stepCount = 128;
+  v.stepCount = 127;
 
   if (cc == Vst::ControllerNumbers::kPitchBend)
   {
-    v.stepCount = 16384;
+    v.stepCount = 16383;
   }
 
   auto result = new Vst3Parameter(v, bus, channel, cc);

diff --git a/src/detail/vst3/parameter.h b/src/detail/vst3/parameter.h
@@ -54,7 +54,7 @@ class Vst3Parameter : public Steinberg::Vst::Parameter
   {
     if (info.stepCount > 0)
     {
-      return (vst3value * info.stepCount) + min_value;
+      return (vst3value * info.stepCount + 1) + min_value;
     }
     return (vst3value * (max_value - min_value)) + min_value;
   }
@@ -63,7 +63,7 @@ class Vst3Parameter : public Steinberg::Vst::Parameter
     auto& info = this->getInfo();
     if (info.stepCount > 0)
     {
-      return (clapvalue - min_value) / float(info.stepCount);
+      return (clapvalue - min_value) / float(info.stepCount + 1);
     }
     return (clapvalue - min_value) / (max_value - min_value);
   }