updated ffmpeg

MediaBrowser.Controller/Providers/BaseMetadataProvider.cs

@@ -386,12 +386,14 @@ namespace MediaBrowser.Controller.Providers
                 }
             }
 
-            if (sb.Length == 0)
+            var stamp = sb.ToString();
+
+            if (string.IsNullOrEmpty(stamp))
             {
                 return Guid.Empty;
             }
 
-            return sb.ToString().GetMD5();
+            return stamp.GetMD5();
         }
 
         private static readonly Dictionary<string, string> FoldersToMonitor = new[] { "extrafanart", "extrathumbs" }

MediaBrowser.ServerApplication/FFMpeg/FFMpegDownloadInfo.cs

@@ -3,14 +3,12 @@ namespace MediaBrowser.ServerApplication.FFMpeg
 {
     public static class FFMpegDownloadInfo
     {
-        public static string Version = "ffmpeg20131110.1";
+        public static string Version = "ffmpeg20131209";
 
         public static string[] FfMpegUrls = new[]
                 {
-                    "https://github.com/MediaBrowser/MediaBrowser.Resources/raw/master/ffmpeg/windows/ffmpeg-20131110-git-8cdf4e0-win32-static.7z",
-
-                    "http://ffmpeg.zeranoe.com/builds/win32/static/ffmpeg-20131110-git-8cdf4e0-win32-static.7z",
-                    "https://www.dropbox.com/s/5clspc636v9hie6/ffmpeg-20131110-git-8cdf4e0-win32-static.7z?dl=1"
+                    "http://ffmpeg.zeranoe.com/builds/win32/static/ffmpeg-20131209-git-a12f679-win32-static.7z",
+                    "https://www.dropbox.com/s/d38uj7857trbw1g/ffmpeg-20131209-git-a12f679-win32-static.7z?dl=1"
                 };
 
         public static string FFMpegFilename = "ffmpeg.exe";