update

FFMpegCore/FFMpeg/Arguments/SetMirrorVideo.cs

@@ -22,12 +22,12 @@ public string Value
             {
                 switch (_value)
                 {
-                    case Mirror.Horizontall:
+                    case Mirror.Horizontal:
                         return "hflip";
-                    case Mirror.Verticall:
+                    case Mirror.Vertical:
                         return "vflip";
                     default:
-                        throw new Exception("SetMirrorVideo: argument not found");
+                        throw new ArgumentOutOfRangeException("SetMirrorVideo: argument not found");
                 }
 
             }

FFMpegCore/FFMpeg/Enums/Mirror.cs

@@ -1,12 +1,8 @@
-using System;
+namespace FFMpegCore.Enums
-using System.Collections.Generic;
-using System.Text;
-
-namespace FFMpegCore.Enums
 {
     public enum Mirror
     {
-        Verticall,
+        Vertical,
-        Horizontall
+        Horizontal
     }
 }