Reuse Player object to avoid ALException crash

RedBookPlayer/Player.cs

@@ -163,12 +163,29 @@ namespace RedBookPlayer
 
             Console.WriteLine(FullTOC.Prettify(toc));
 
+            if (deEmphasisFilterLeft == null)
+            {
                 deEmphasisFilterLeft = new DeEmphasisFilter();
                 deEmphasisFilterRight = new DeEmphasisFilter();
+            }
+            else
+            {
+                deEmphasisFilterLeft.Reset();
+                deEmphasisFilterRight.Reset();
+            }
+
+            if (source == null)
+            {
                 source = new PlayerSource(ProviderRead);
 
-            soundOut = new ALSoundOut(50);
+                soundOut = new ALSoundOut(100);
                 soundOut.Initialize(source);
+            }
+            else
+            {
+                soundOut.Stop();
+            }
+
             if (autoPlay)
             {
                 soundOut.Play();

RedBookPlayer/PlayerView.xaml.cs

@@ -51,8 +51,6 @@ namespace RedBookPlayer
                 filter.Open(path);
                 image.Open(filter);
 
-                Player?.Stop();
-                Player = new Player();
                 Player.Init(image, App.Settings.AutoPlay);
             });