update direct stream url for improved caching

1 files changed, 6 insertions, 0 deletions

diff --git a/MediaBrowser.Controller/Entities/Video.cs b/MediaBrowser.Controller/Entities/Video.cs
index 830747d3c..8809f155c 100644
--- a/MediaBrowser.Controller/Entities/Video.cs
+++ b/MediaBrowser.Controller/Entities/Video.cs
@@ -12,6 +12,7 @@ using System.Runtime.Serialization;
 using System.Threading;
 using System.Threading.Tasks;
 using CommonIO;
+using MediaBrowser.Common.Extensions;
 using MediaBrowser.Controller.Channels;
 
 namespace MediaBrowser.Controller.Entities
@@ -611,6 +612,11 @@ namespace MediaBrowser.Controller.Entities
                 SupportsDirectStream = i.VideoType == VideoType.VideoFile
             };
 
+            if (info.Protocol == MediaProtocol.File)
+            {
+                info.ETag = i.DateModified.Ticks.ToString(CultureInfo.InvariantCulture).GetMD5().ToString("N");
+            }
+
             if (i.IsShortcut)
             {
                 info.Path = i.ShortcutPath;