Fixed baseurl in dlna.

Emby.Dlna/Server/DescriptionXmlBuilder.cs

@@ -40,8 +40,6 @@ namespace Emby.Dlna.Server
             _serverId = serverId;
         }
 
-        private static bool EnableAbsoluteUrls => false;
-
         public string GetXml()
         {
             var builder = new StringBuilder();
@@ -75,13 +73,6 @@ namespace Emby.Dlna.Server
             builder.Append("<minor>0</minor>");
             builder.Append("</specVersion>");
 
-            if (!EnableAbsoluteUrls)
-            {
-                builder.Append("<URLBase>")
-                    .Append(SecurityElement.Escape(_serverAddress))
-                    .Append("</URLBase>");
-            }
-
             AppendDeviceInfo(builder);
 
             builder.Append("</root>");
@@ -257,14 +248,7 @@ namespace Emby.Dlna.Server
                 return string.Empty;
             }
 
-            url = url.TrimStart('/');
-
-            url = "/dlna/" + _serverUdn + "/" + url;
-
-            if (EnableAbsoluteUrls)
-            {
-                url = _serverAddress.TrimEnd('/') + url;
-            }
+            url = _serverAddress.TrimEnd('/') + "/dlna/" + _serverUdn + "/" + url.TrimStart('/');
 
             return SecurityElement.Escape(url);
         }

Jellyfin.Api/Controllers/DlnaServerController.cs

@@ -252,7 +252,7 @@ namespace Jellyfin.Api.Controllers
 
         private string GetAbsoluteUri()
         {
-            return $"{Request.Scheme}://{Request.Host}{Request.Path}";
+            return $"{Request.Scheme}://{Request.Host}{Request.PathBase}{Request.Path}";
         }
 
         private Task<ControlResponse> ProcessControlRequestInternalAsync(string id, Stream requestStream, IUpnpService service)