More progress

VAUAdapter.cs

@@ -96,25 +96,8 @@ public class VAUAdapter : MonoBehaviour
         _VA.SetGlobalAuralizationMode(AuraMode);
     }
 
-    void OnDisable()
+    void OnDestroy()
     {
-        // @todo: probably better to remove these objects directly in C# scripts.
-
-        VAUSoundSource[] SoundSources = FindObjectsOfType<VAUSoundSource>();
-        foreach (VAUSoundSource SoundSource in SoundSources)
-        {
-            _VA.SetSoundSourceSignalSource(SoundSource.ID, "");
-            _VA.DeleteSoundSource(SoundSource.ID);
-        }
-
-        VAUListener[] Listeners = FindObjectsOfType<VAUListener>();
-        foreach (VAUListener Listener in Listeners)
-        {
-            _VA.DeleteListener(Listener.ID);
-        }
-        if (GetComponent<VAUAuralizationMode>() != null)
-            GetComponent<VAUAuralizationMode>().AuraStringChanged -= OnGlobalAuralizationModeChanged;
-
         _VA.Disconnect();
     }
 

VAUAudiofileSignalSource.cs

@@ -11,6 +11,9 @@ public class VAUAudiofileSignalSource : VAUSignalSource
     
     void Awake()
     {
+        if (!VAUAdapter.VA.IsConnected())
+            return;
+
         _ID = VAUAdapter.VA.CreateAudiofileSignalSource(FilePath, Name);
         Debug.Assert(_ID.Length > 0, "Could not create audio file signal source '" + Name + "' file from path " + FilePath);
     }

VAUController.cs

+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class VAUController : MonoBehaviour
+{
+	public bool InputMuted = false;
+	public double InputGain = 1.0;
+	public bool OutputMuted = false;
+	public double OutputGain = 1.0;
+	
+	private bool InputMutedShadow;
+	private double InputGainShadow;
+	private bool OutputMutedShadow;
+	private double OutputGainShadow;
+
+    void Start ()
+    {
+		VAUAdapter.VA.SetInputMuted( InputMuted );
+		VAUAdapter.VA.SetInputGain( InputGain );
+		VAUAdapter.VA.SetOutputMuted( OutputMuted );
+		VAUAdapter.VA.SetOutputGain( OutputGain );
+		
+		InputMutedShadow = InputMuted;
+		InputGainShadow = InputGain;
+		OutputMutedShadow = OutputMuted;
+		OutputGain = OutputGainShadow;
+    }
+	
+	void Update()
+	{
+		if( InputMuted != InputMutedShadow )
+		{
+			VAUAdapter.VA.SetInputMuted( InputMuted );	
+			InputMutedShadow = InputMuted;
+		}
+		if( InputGain != InputGainShadow )
+		{
+			VAUAdapter.VA.SetInputGain( InputGain );	
+			InputGainShadow = InputGain;
+		}
+		if( OutputMuted != OutputMutedShadow )
+		{
+			VAUAdapter.VA.SetOutputMuted( OutputMuted );	
+			OutputMutedShadow = OutputMuted;
+		}
+		if( OutputGain != OutputGainShadow )
+		{
+			VAUAdapter.VA.SetOutputGain( OutputGain );	
+			OutputGainShadow = OutputGain;
+		}
+	}
+}

VAUListener.cs

@@ -128,10 +128,7 @@ public class VAUListener : MonoBehaviour {
     {
         if (GetComponent<VAUAuralizationMode>() != null)
             GetComponent<VAUAuralizationMode>().AuraStringChanged -= OnListenerAuralizationModeChanged;
-    }
 
-    void OnDestroy()
-    {
         _VA.DeleteListener(_ID);
     }
 }

VAUSoundSource.cs

@@ -24,11 +24,13 @@ public class VAUSoundSource : MonoBehaviour
         }
     }
 
-    // Use this for initialization
     void Start()
     {
         _VA = VAUAdapter.VA;
 
+        if (!_VA.IsConnected())
+            return;
+
         // Add sound source
         _ID = _VA.CreateSoundSource(this.name, 0, 1.0);
         _VA.SetSoundSourceAuralizationMode(_ID, "all");