do reinitialization from unity.

Assets/uDesktopDuplication/Scripts/Lib.cs

@@ -27,6 +27,18 @@ public enum MonitorRotation
     Rotate270 = 4
 }
 
+public enum MonitorState
+{
+	NotSet = -1,
+	Available = 0,
+	InvalidArg = 1,
+	AccessDenied = 2,
+	Unsupported = 3,
+	CurrentlyNotAvailable = 4,
+	SessionDisconnected = 5,
+	AccessLost = 6,
+}
+
 public static class Lib
 {
     public delegate void MessageHandler(Message message);
@@ -36,6 +48,8 @@ public static class Lib
     [DllImport("uDesktopDuplication")]
     public static extern void FinalizeUDD();
     [DllImport("uDesktopDuplication")]
+    public static extern void Reinitialize();
+    [DllImport("uDesktopDuplication")]
     public static extern void Update();
     [DllImport("uDesktopDuplication")]
     public static extern Message PopMessage();
@@ -50,7 +64,7 @@ public static class Lib
     [DllImport("uDesktopDuplication")]
     public static extern IntPtr GetRenderEventFunc();
     [DllImport("uDesktopDuplication")]
-    public static extern bool IsAvailable(int id);
+    public static extern MonitorState GetState(int id);
     [DllImport("uDesktopDuplication")]
     public static extern void GetName(int id, StringBuilder buf, int len);
     [DllImport("uDesktopDuplication")]

Assets/uDesktopDuplication/Scripts/Manager.cs

@@ -37,10 +37,12 @@ public class Manager : MonoBehaviour
         }
     }
 
-    [SerializeField, Tooltip("Set Desktop Duplication API timeout (milliseconds).")] 
-    int timeout = 0;
+    [SerializeField] int desktopDuplicationApiTimeout = 0;
+    [SerializeField] float retryReinitializationDuration = 0.5f;
 
     private Coroutine renderCoroutine_ = null;
+    private bool shouldReinitialize = false;
+    private float reinitializationTimer = 0f;
 
     void Awake()
     {
@@ -51,7 +53,7 @@ public class Manager : MonoBehaviour
 
         CreateMonitors();
 
-        Lib.SetTimeout(timeout);
+        Lib.SetTimeout(desktopDuplicationApiTimeout);
     }
 
     void OnApplicationQuit()
@@ -75,7 +77,35 @@ public class Manager : MonoBehaviour
     void Update()
     {
         Lib.Update();
+        ReinitializeIfNeeded();
+        UpdateMessage();
+    }
 
+    void ReinitializeIfNeeded()
+    {
+        for (int i = 0; i < monitors.Count; ++i) {
+            var monitor = monitors[i];
+            if (monitor.state == MonitorState.AccessLost || 
+                monitor.state == MonitorState.AccessDenied) {
+                if (!shouldReinitialize) {
+                    shouldReinitialize = true;
+                    reinitializationTimer = 0f;
+                    break;
+                }
+            }
+        }
+
+        if (shouldReinitialize) {
+            if (reinitializationTimer > retryReinitializationDuration) {
+                Lib.Reinitialize();
+                shouldReinitialize = false;
+            }
+            reinitializationTimer += Time.deltaTime;
+        }
+    }
+
+    void UpdateMessage()
+    {
         var message = Lib.PopMessage();
         while (message != Message.None) {
             switch (message) {

Assets/uDesktopDuplication/Scripts/Monitor.cs

@@ -21,9 +21,14 @@ public class Monitor
         get { return id < Manager.monitorCount; } 
     }
 
+    public MonitorState state
+    {
+        get { return Lib.GetState(id); }
+    }
+
     public bool available
     {
-        get { return Lib.IsAvailable(id); }
+        get { return state == MonitorState.Available; }
     }
 
     public string name

Assets/uDesktopDuplication/Scripts/Texture.cs

@@ -50,7 +50,6 @@ public class Texture : MonoBehaviour
 
     void Update()
     {
-        Debug.Log(monitor.available);
         monitor.shouldBeUpdated = true;
         UpdateMaterial();
     }