Added Media Provider Interface and XBMC's implementation

NzbDrone.Core/Providers/IMediaProvider.cs

@@ -0,0 +1,35 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace NzbDrone.Core.Providers
+{
+    interface IMediaProvider
+    {
+        void Play();
+        void Play(string Location);
+        void Play(string Location, bool AddToQueue);
+        void Pause();
+        void Stop();
+
+        void Next();
+        void Previous();
+        void Seek(string RawTime);
+        void Seek(int Hour, int Minute, int Second);
+        void Seek(System.TimeSpan SeekTime);
+
+        void Queue(string Location);
+
+        System.Uri Uri { get; }
+        string UniqueDeviceName { get; }
+        OpenSource.UPnP.UPnPDevice Device { get;  }
+        OpenSource.UPnP.AV.CpAVTransport Transport { get; }
+        string FriendlyName { get; }
+
+        DateTime FirstSeen { get;  }
+        DateTime LastSeen { get; }
+        bool IsActive { get; }
+    
+    }
+}