Merge pull request #4424 from jellyfin/minor8

Minor perf improvements

1 files changed, 6 insertions, 11 deletions

diff --git a/Emby.Server.Implementations/Channels/ChannelManager.cs b/Emby.Server.Implementations/Channels/ChannelManager.cs
index db44bf489..19045b72b 100644
--- a/Emby.Server.Implementations/Channels/ChannelManager.cs
+++ b/Emby.Server.Implementations/Channels/ChannelManager.cs
@@ -250,21 +250,16 @@ namespace Emby.Server.Implementations.Channels
             var all = channels;
             var totalCount = all.Count;
 
-            if (query.StartIndex.HasValue)
+            if (query.StartIndex.HasValue || query.Limit.HasValue)
             {
-                all = all.Skip(query.StartIndex.Value).ToList();
+                int startIndex = query.StartIndex ?? 0;
+                int count = query.Limit == null ? totalCount - startIndex : Math.Min(query.Limit.Value, totalCount - startIndex);
+                all = all.GetRange(startIndex, count);
             }
 
-            if (query.Limit.HasValue)
-            {
-                all = all.Take(query.Limit.Value).ToList();
-            }
-
-            var returnItems = all.ToArray();
-
             if (query.RefreshLatestChannelItems)
             {
-                foreach (var item in returnItems)
+                foreach (var item in all)
                 {
                     RefreshLatestChannelItems(GetChannelProvider(item), CancellationToken.None).GetAwaiter().GetResult();
                 }
@@ -272,7 +267,7 @@ namespace Emby.Server.Implementations.Channels
 
             return new QueryResult<Channel>
             {
-                Items = returnItems,
+                Items = all,
                 TotalRecordCount = totalCount
             };
         }