Added High/Low filter plugin. Added parameter range power.

mikeoliphant · Jul 27, 2024 · 93d071b · 93d071b
1 parent 064f549
commit 93d071b
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Showing 6 changed files with 45 additions and 7 deletions.
diff --git a/Dependencies/stompbox b/Dependencies/stompbox
diff --git a/StompboxPlugin/UnmanagedAudioPlugin.cs b/StompboxPlugin/UnmanagedAudioPlugin.cs
@@ -135,6 +135,7 @@ public virtual void SetUnmanagedWrapper(PluginWrapper unmanagedWrapper)
                         MinValue = unmanagedWrapper.GetParameterMinValue(handle),
                         MaxValue = unmanagedWrapper.GetParameterMaxValue(handle),
                         DefaultValue = unmanagedWrapper.GetParameterDefaultValue(handle),
+                        RangePower = unmanagedWrapper.GetParameterRangePower(handle),
                         ParameterType = paramType,
                         IsAdvanced = unmanagedWrapper.GetParameterIsAdvanced(handle),
                         CanSyncToHostBPM = unmanagedWrapper.GetParameterCanSyncToHostBPM(handle),

diff --git a/StompboxShared/AudioPlugin.cs b/StompboxShared/AudioPlugin.cs
@@ -21,6 +21,7 @@ public class PluginParameter
         public double MinValue { get; set; }
         public double MaxValue { get; set; }
         public double DefaultValue { get; set; }
+        public double RangePower { get; set; }
         public EParameterType ParameterType { get; set; }
         public bool CanSyncToHostBPM { get; set; }
         public int HostBPMSyncNumerator { get; set; }
@@ -51,6 +52,17 @@ public virtual double Value
                 }
             }
         }
+        public double NormalizedValue
+        {
+            get
+            {
+                return GetNormalizedValue(Value);
+            }
+            set
+            {
+                Value = GetRangeValue(value);
+            }
+        }
         public string DisplayValue { get { return String.Format(ValueFormat, Value); } }
         public String[] EnumValues { get; set; }
         public int[] IntValues { get; set; }
@@ -77,6 +89,20 @@ public PluginParameter()
             ValueFormat = "{0:0.00}";
         }
 
+        public double GetNormalizedValue(double value)
+        {
+            double val = (value - MinValue) / (MaxValue - MinValue);
+
+            return (RangePower < 0) ? (1 - (Math.Pow(1 - val, 1 / -RangePower))) : Math.Pow(val, 1 / RangePower);
+        }
+
+        public double GetRangeValue(double normalizedValue)
+        {
+            double val = (RangePower < 0) ? (1 - Math.Pow(1 - normalizedValue, -RangePower)) : Math.Pow(normalizedValue, RangePower);
+
+            return MinValue + ((MaxValue - MinValue) * val);
+        }
+
         public override string ToString()
         {
             return Name + ": " + DisplayValue;

diff --git a/StompboxShared/Interface/PluginInterface.cs b/StompboxShared/Interface/PluginInterface.cs
@@ -349,9 +349,9 @@ protected UIElement CreateControl(PluginParameter parameter)
 
                     ParameterDial dial = new ParameterDial()
                     {
-                        MinValue = parameter.MinValue,
-                        MaxValue = parameter.MaxValue,
-                        DefaultValue = parameter.DefaultValue
+                        MinValue = 0,
+                        MaxValue = 1,
+                        DefaultValue = parameter.GetNormalizedValue(parameter.DefaultValue)
                     };
 
                     controlDock.Children.Add(dial);
@@ -364,9 +364,9 @@ protected UIElement CreateControl(PluginParameter parameter)
 
                     dial.ValueChangedAction = delegate (double val)
                     {
-                        parameter.Value = val;
+                        parameter.NormalizedValue = val;
 
-                        valueDisplay.SetValue(val);
+                        valueDisplay.SetValue(parameter.Value);
                     };
 
                     //dial.HoldAction = delegate
@@ -376,7 +376,7 @@ protected UIElement CreateControl(PluginParameter parameter)
 
                     parameter.SetValue = delegate (double value)
                     {
-                        dial.SetValue(value);
+                        dial.SetValue(parameter.GetNormalizedValue(value));
                     };
 
                     if (parameter.CanSyncToHostBPM)
@@ -1260,6 +1260,7 @@ public class ParameterDial : Dock
         public double MinValue { get; set; }
         public double MaxValue { get; set; }
         public double DefaultValue { get; set; }
+        public double RangePower { get; set; } = 1.0;
         public Action<double> ValueChangedAction { get; set; }
         public Action HoldAction { get; set; }
 

diff --git a/StompboxShared/ProtocolClient.cs b/StompboxShared/ProtocolClient.cs
@@ -439,6 +439,11 @@ public void HandleCommand(string cmd)
                                                 Double.TryParse(propValue, out maxValue);
                                                 newParameter.MaxValue = maxValue;
                                                 break;
+                                            case "RangePower":
+                                                double rangePower = 0;
+                                                Double.TryParse(propValue, out rangePower);
+                                                newParameter.RangePower = rangePower;
+                                                break;
                                             case "DefaultValue":
                                                 double defaultValue = 0;
                                                 Double.TryParse(propValue, out defaultValue);

diff --git a/UnmanagedBridge/PluginWrapper.h b/UnmanagedBridge/PluginWrapper.h
@@ -122,6 +122,11 @@ namespace UnmanagedPlugins
 			return ((StompBoxParameter*)(void*)parameter)->DefaultValue;
 		}
 
+		double GetParameterRangePower(IntPtr parameter)
+		{
+			return ((StompBoxParameter*)(void*)parameter)->RangePower;
+		}
+
 		int GetParameterType(IntPtr parameter)
 		{
 			return ((StompBoxParameter*)(void*)parameter)->ParameterType;
+9 −0		stompbox/PluginFactory.cpp
+3 −0		stompbox/PluginProcessor.cpp
+1 −0		stompbox/StompBox.h
+87 −0		stompbox/Stomps/HighLowFilter.cpp
+37 −0		stompbox/Stomps/HighLowFilter.h
+1 −0		stompbox/Stomps/NAMMultiBand.cpp
+1 −1		stompbox/Stomps/PeakingFilter.cpp