Merge branch 'main' of https://github.com/vvvv/VL.Audio.VST

vvvv · Oct 30, 2024 · 761e79c · 761e79c
2 parents 3d73e37 + 81707e0
commit 761e79c
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Showing 2 changed files with 11 additions and 4 deletions.
diff --git a/src/EffectHost.cs b/src/EffectHost.cs
@@ -213,11 +213,15 @@ private static bool Acknowledge<T>(ref T current, T value)
 
     public void Update()
     {
-        if (Acknowledge(ref state, ((StatePin)Inputs[0]).Value?.Value ?? PluginState.Default))
+        if (Acknowledge(ref state, ((StatePin)Inputs[0]).Value?.Value) && state != null)
         {
-            component.setState(state.GetComponentStream());
-            controller?.IgnoreNotImplementedException(c => c.setComponentState(state.GetComponentStream()));
-            controller?.IgnoreNotImplementedException(c => c.setState(state.GetControllerStream()));
+            if (state.HasComponentData)
+            { 
+                component.IgnoreNotImplementedException(c => c.setState(state.GetComponentStream()));
+                controller?.IgnoreNotImplementedException(c => c.setComponentState(state.GetComponentStream()));
+            }
+            if (state.HasControllerData)
+                controller?.IgnoreNotImplementedException(c => c.setState(state.GetControllerStream()));
         }
 
         if (Acknowledge(ref midiInput, midiInputPin.Value))

diff --git a/src/PluginState.cs b/src/PluginState.cs
@@ -10,6 +10,9 @@ public record PluginState(ImmutableArray<byte> Component, ImmutableArray<byte> C
 {
     public static readonly PluginState Default = new PluginState(ImmutableArray<byte>.Empty, ImmutableArray<byte>.Empty);
 
+    internal bool HasComponentData => Component.Length > 0;
+    internal bool HasControllerData => Controller.Length > 0;
+
     internal IBStream GetComponentStream() => GetStream(Component);
 
     internal IBStream GetControllerStream() => GetStream(Controller);