Convert TranscodeReason to Flags

MediaBrowser.Model/Session/TranscodeReasonExtensions.cs

@@ -0,0 +1,22 @@
+#pragma warning disable CS1591
+
+using System;
+using System.Linq;
+
+namespace MediaBrowser.Model.Session
+{
+    public static class TranscodeReasonExtensions
+    {
+        private static TranscodeReason[] values = Enum.GetValues<TranscodeReason>();
+
+        public static string Serialize(this MediaBrowser.Model.Session.TranscodeReason reasons, string sep = ",")
+        {
+            return string.Join(sep, reasons.ToArray());
+        }
+
+        public static TranscodeReason[] ToArray(this MediaBrowser.Model.Session.TranscodeReason reasons)
+        {
+            return values.Where(r => r != 0 && reasons.HasFlag(r)).ToArray();
+        }
+    }
+}