Don't list every item just to get count

This emby era logic now becomes a serious performance problem on very huge folders. Use the proper item count query for most common cases.

Emby.Server.Implementations/IO/ManagedFileSystem.cs

@@ -497,8 +497,17 @@ namespace Emby.Server.Implementations.IO
         /// <inheritdoc />
         public virtual bool AreEqual(string path1, string path2)
         {
-            return Path.TrimEndingDirectorySeparator(path1).Equals(
-                Path.TrimEndingDirectorySeparator(path2),
+            if (string.IsNullOrWhiteSpace(path1) || string.IsNullOrWhiteSpace(path2))
+            {
+                return false;
+            }
+
+            var normalized1 = Path.TrimEndingDirectorySeparator(path1);
+            var normalized2 = Path.TrimEndingDirectorySeparator(path2);
+
+            return string.Equals(
+                normalized1,
+                normalized2,
                 _isEnvironmentCaseInsensitive ? StringComparison.OrdinalIgnoreCase : StringComparison.Ordinal);
         }
 

Emby.Server.Implementations/Localization/iso6392.txt

@@ -347,8 +347,8 @@ pli||pi|Pali|pali
 pol||pl|Polish|polonais
 pon|||Pohnpeian|pohnpei
 por||pt|Portuguese|portugais
-por||pt-pt|Portuguese (Portugal)|portugais (pt-pt)
-por||pt-br|Portuguese (Brazil)|portugais (pt-br)
+pop||pt-pt|Portuguese (Portugal)|portugais (pt-pt)
+pob||pt-br|Portuguese (Brazil)|portugais (pt-br)
 pra|||Prakrit languages|prâkrit, langues
 pro|||Provençal, Old (to 1500)|provençal ancien (jusqu'à 1500)
 pus||ps|Pushto; Pashto|pachto

Jellyfin.Server.Implementations/Item/BaseItemRepository.cs

@@ -618,12 +618,18 @@ public sealed class BaseItemRepository
             {
                 context.BaseItemProviders.Where(e => e.ItemId == entity.Id).ExecuteDelete();
                 context.BaseItemImageInfos.Where(e => e.ItemId == entity.Id).ExecuteDelete();
+                context.BaseItemMetadataFields.Where(e => e.ItemId == entity.Id).ExecuteDelete();
 
                 if (entity.Images is { Count: > 0 })
                 {
                     context.BaseItemImageInfos.AddRange(entity.Images);
                 }
 
+                if (entity.LockedFields is { Count: > 0 })
+                {
+                    context.BaseItemMetadataFields.AddRange(entity.LockedFields);
+                }
+
                 context.BaseItems.Attach(entity).State = EntityState.Modified;
             }
         }
@@ -1647,19 +1653,18 @@ public sealed class BaseItemRepository
         var tags = filter.Tags.ToList();
         var excludeTags = filter.ExcludeTags.ToList();
 
-        if (filter.IsMovie == true)
+        if (filter.IsMovie.HasValue)
         {
-            if (filter.IncludeItemTypes.Length == 0
-                || filter.IncludeItemTypes.Contains(BaseItemKind.Movie)
-                || filter.IncludeItemTypes.Contains(BaseItemKind.Trailer))
+            var shouldIncludeAllMovieTypes = filter.IsMovie.Value
+                && (filter.IncludeItemTypes.Length == 0
+                    || filter.IncludeItemTypes.Contains(BaseItemKind.Movie)
+                    || filter.IncludeItemTypes.Contains(BaseItemKind.Trailer));
+
+            if (!shouldIncludeAllMovieTypes)
             {
-                baseQuery = baseQuery.Where(e => e.IsMovie);
+                baseQuery = baseQuery.Where(e => e.IsMovie == filter.IsMovie.Value);
             }
         }
-        else if (filter.IsMovie.HasValue)
-        {
-            baseQuery = baseQuery.Where(e => e.IsMovie == filter.IsMovie);
-        }
 
         if (filter.IsSeries.HasValue)
         {

MediaBrowser.Controller/Entities/Folder.cs

@@ -668,34 +668,22 @@ namespace MediaBrowser.Controller.Entities
                 }
             }
 
-            var result = GetItems(new InternalItemsQuery(user)
+            return LibraryManager.GetCount(new InternalItemsQuery(user)
             {
                 Recursive = false,
-                Limit = 0,
-                Parent = this,
-                DtoOptions = new DtoOptions(false)
-                {
-                    EnableImages = false
-                }
+                Parent = this
             });
-
-            return result.TotalRecordCount;
         }
 
         public virtual int GetRecursiveChildCount(User user)
         {
-            return GetItems(new InternalItemsQuery(user)
+            return LibraryManager.GetCount(new InternalItemsQuery(user)
             {
                 Recursive = true,
+                Parent = this,
                 IsFolder = false,
-                IsVirtualItem = false,
-                EnableTotalRecordCount = true,
-                Limit = 0,
-                DtoOptions = new DtoOptions(false)
-                {
-                    EnableImages = false
-                }
-            }).TotalRecordCount;
+                IsVirtualItem = false
+            });
         }
 
         public QueryResult<BaseItem> QueryRecursive(InternalItemsQuery query)
@@ -1409,7 +1397,7 @@ namespace MediaBrowser.Controller.Entities
             if (this is BoxSet && (query.OrderBy is null || query.OrderBy.Count == 0))
             {
                 realChildren = realChildren
-                    .OrderBy(e => e.ProductionYear ?? int.MaxValue)
+                    .OrderBy(e => e.PremiereDate ?? DateTime.MaxValue)
                     .ToArray();
             }
 

MediaBrowser.Controller/IO/FileSystemHelper.cs

@@ -63,6 +63,29 @@ public static class FileSystemHelper
         }
     }
 
+    /// <summary>
+    /// Resolves a single link hop for the specified path.
+    /// </summary>
+    /// <remarks>
+    /// Returns <c>null</c> if the path is not a symbolic link or the filesystem does not support link resolution (e.g., exFAT).
+    /// </remarks>
+    /// <param name="path">The file path to resolve.</param>
+    /// <returns>
+    /// A <see cref="FileInfo"/> representing the next link target if the path is a link; otherwise, <c>null</c>.
+    /// </returns>
+    private static FileInfo? Resolve(string path)
+    {
+        try
+        {
+            return File.ResolveLinkTarget(path, returnFinalTarget: false) as FileInfo;
+        }
+        catch (IOException)
+        {
+            // Filesystem doesn't support links (e.g., exFAT).
+            return null;
+        }
+    }
+
     /// <summary>
     /// Gets the target of the specified file link.
     /// </summary>
@@ -84,23 +107,26 @@ public static class FileSystemHelper
 
         if (!returnFinalTarget)
         {
-            return File.ResolveLinkTarget(linkPath, returnFinalTarget: false) as FileInfo;
+            return Resolve(linkPath);
         }
 
-        if (File.ResolveLinkTarget(linkPath, returnFinalTarget: false) is not FileInfo targetInfo)
-        {
-            return null;
-        }
-
-        if (!targetInfo.Exists)
+        var targetInfo = Resolve(linkPath);
+        if (targetInfo is null || !targetInfo.Exists)
         {
             return targetInfo;
         }
 
         var currentPath = targetInfo.FullName;
         var visited = new HashSet<string>(StringComparer.Ordinal) { linkPath, currentPath };
-        while (File.ResolveLinkTarget(currentPath, returnFinalTarget: false) is FileInfo linkInfo)
+
+        while (true)
         {
+            var linkInfo = Resolve(currentPath);
+            if (linkInfo is null)
+            {
+                break;
+            }
+
             var targetPath = linkInfo.FullName;
 
             // If an infinite loop is detected, return the file info for the

MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs

@@ -2378,6 +2378,13 @@ namespace MediaBrowser.Controller.MediaEncoding
                 var requestHasSDR = requestedRangeTypes.Contains(VideoRangeType.SDR.ToString(), StringComparison.OrdinalIgnoreCase);
                 var requestHasDOVI = requestedRangeTypes.Contains(VideoRangeType.DOVI.ToString(), StringComparison.OrdinalIgnoreCase);
 
+                // If SDR is the only supported range, we should not copy any of the HDR streams.
+                // All the following copy check assumes at least one HDR format is supported.
+                if (requestedRangeTypes.Length == 1 && requestHasSDR && videoStream.VideoRangeType != VideoRangeType.SDR)
+                {
+                    return false;
+                }
+
                 // If the client does not support DOVI and the video stream is DOVI without fallback, we should not copy it.
                 if (!requestHasDOVI && videoStream.VideoRangeType == VideoRangeType.DOVI)
                 {

MediaBrowser.MediaEncoding/BdInfo/BdInfoDirectoryInfo.cs

@@ -1,3 +1,4 @@
+using System;
 using System.IO;
 using System.Linq;
 using BDInfo.IO;
@@ -58,6 +59,8 @@ public class BdInfoDirectoryInfo : IDirectoryInfo
         }
     }
 
+    private static bool IsHidden(ReadOnlySpan<char> name) => name.StartsWith('.');
+
     /// <summary>
     /// Gets the directories.
     /// </summary>
@@ -65,6 +68,7 @@ public class BdInfoDirectoryInfo : IDirectoryInfo
     public IDirectoryInfo[] GetDirectories()
     {
         return _fileSystem.GetDirectories(_impl.FullName)
+            .Where(d => !IsHidden(d.Name))
             .Select(x => new BdInfoDirectoryInfo(_fileSystem, x))
             .ToArray();
     }
@@ -76,6 +80,7 @@ public class BdInfoDirectoryInfo : IDirectoryInfo
     public IFileInfo[] GetFiles()
     {
         return _fileSystem.GetFiles(_impl.FullName)
+            .Where(d => !IsHidden(d.Name))
             .Select(x => new BdInfoFileInfo(x))
             .ToArray();
     }
@@ -88,6 +93,7 @@ public class BdInfoDirectoryInfo : IDirectoryInfo
     public IFileInfo[] GetFiles(string searchPattern)
     {
         return _fileSystem.GetFiles(_impl.FullName, new[] { searchPattern }, false, false)
+            .Where(d => !IsHidden(d.Name))
             .Select(x => new BdInfoFileInfo(x))
             .ToArray();
     }
@@ -105,6 +111,7 @@ public class BdInfoDirectoryInfo : IDirectoryInfo
                 new[] { searchPattern },
                 false,
                 searchOption == SearchOption.AllDirectories)
+            .Where(d => !IsHidden(d.Name))
             .Select(x => new BdInfoFileInfo(x))
             .ToArray();
     }

MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs

@@ -511,7 +511,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
                 ? "{0} -i {1} -threads {2} -v warning -print_format json -show_streams -show_chapters -show_format"
                 : "{0} -i {1} -threads {2} -v warning -print_format json -show_streams -show_format";
 
-            if (!isAudio && _proberSupportsFirstVideoFrame)
+            if (protocol == MediaProtocol.File && !isAudio && _proberSupportsFirstVideoFrame)
             {
                 args += " -show_frames -only_first_vframe";
             }

MediaBrowser.Providers/Manager/MetadataService.cs

@@ -151,9 +151,9 @@ namespace MediaBrowser.Providers.Manager
                 .ConfigureAwait(false);
             updateType |= beforeSaveResult;
 
-            if (!isFirstRefresh)
+            if (isFirstRefresh)
             {
-                updateType = await SaveInternal(item, refreshOptions, updateType, isFirstRefresh, requiresRefresh, metadataResult, cancellationToken).ConfigureAwait(false);
+                await SaveItemAsync(metadataResult, ItemUpdateType.MetadataImport, cancellationToken).ConfigureAwait(false);
             }
 
             // Next run metadata providers