Apply review suggestions

Jellyfin.Api/Helpers/TranscodingJobHelper.cs

@@ -325,7 +325,7 @@ public class TranscodingJobHelper : IDisposable
             await DeletePartialStreamFiles(job.Path!, job.Type, 0, 1500).ConfigureAwait(false);
             if (job.MediaSource?.VideoType == VideoType.Dvd || job.MediaSource?.VideoType == VideoType.BluRay)
             {
-                var path = Path.Join(job.Path, "/" + job.MediaSource.Id + ".concat");
+                var path = Path.Join(job.Path, job.MediaSource.Id + ".concat");
                 File.Delete(path);
             }
         }

MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs

@@ -943,7 +943,7 @@ namespace MediaBrowser.Controller.MediaEncoding
 
             if (state.MediaSource.VideoType == VideoType.Dvd || state.MediaSource.VideoType == VideoType.BluRay)
             {
-                var tmpConcatPath = Path.Join(options.TranscodingTempPath, "/" + state.MediaSource.Id + ".concat");
+                var tmpConcatPath = Path.Join(options.TranscodingTempPath, state.MediaSource.Id + ".concat");
                 _mediaEncoder.GenerateConcatConfig(state.MediaSource, tmpConcatPath);
                 arg.Append(" -f concat -safe 0 ")
                     .Append(" -i ")

MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs

@@ -11,6 +11,7 @@ using System.Text.Json;
 using System.Text.RegularExpressions;
 using System.Threading;
 using System.Threading.Tasks;
+using Jellyfin.Extensions;
 using Jellyfin.Extensions.Json;
 using Jellyfin.Extensions.Json.Converters;
 using MediaBrowser.Common;
@@ -896,7 +897,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
             // Check for multiple big titles (> 900 MB)
             var titles = allVobs
                 .Where(vob => vob.Length >= 900 * 1024 * 1024)
-                .Select(vob => _fileSystem.GetFileNameWithoutExtension(vob).Split('_')[1])
+                .Select(vob => _fileSystem.GetFileNameWithoutExtension(vob).AsSpan().RightPart('_').ToString())
                 .GroupBy(x => x)
                 .Select(y => y.First())
                 .ToList();
@@ -904,12 +905,12 @@ namespace MediaBrowser.MediaEncoding.Encoder
             // Fall back to first title if no big title is found
             if (titles.FirstOrDefault() == null)
             {
-                titles.Add(_fileSystem.GetFileNameWithoutExtension(allVobs[0]).Split('_')[1]);
+                titles.Add(_fileSystem.GetFileNameWithoutExtension(allVobs[0]).AsSpan().RightPart('_').ToString());
             }
 
             // Aggregate all VOBs of the titles
             return allVobs
-                .Where(vob => titles.Contains(_fileSystem.GetFileNameWithoutExtension(vob).Split('_')[1]))
+                .Where(vob => titles.Contains(_fileSystem.GetFileNameWithoutExtension(vob).AsSpan().RightPart('_').ToString()))
                 .Select(i => i.FullName)
                 .ToList();
         }
@@ -917,7 +918,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
         public IEnumerable<string> GetPrimaryPlaylistM2TsFiles(string path, uint? titleNumber)
         {
             var validPlaybackFiles = _blurayExaminer.GetDiscInfo(path).Files;
-            var directoryFiles = _fileSystem.GetFiles(path + "/BDMV/STREAM/");
+            var directoryFiles = _fileSystem.GetFiles(Path.Join(path, "BDMV", "STREAM"));
 
             return directoryFiles
                 .Where(f => validPlaybackFiles.Contains(f.Name, StringComparer.OrdinalIgnoreCase))
@@ -941,7 +942,6 @@ namespace MediaBrowser.MediaEncoding.Encoder
 
             foreach (var path in files)
             {
-                var fileinfo = _fileSystem.GetFileInfo(path);
                 var mediaInfoResult = GetMediaInfo(
                     new MediaInfoRequest
                     {
@@ -961,7 +961,7 @@ namespace MediaBrowser.MediaEncoding.Encoder
                 lines.Add("duration " + duration);
             }
 
-            File.WriteAllLinesAsync(concatFilePath, lines, CancellationToken.None).GetAwaiter().GetResult();
+            File.WriteAllLines(concatFilePath, lines);
         }
 
         public bool CanExtractSubtitles(string codec)

MediaBrowser.Model/Dlna/StreamBuilder.cs

@@ -639,7 +639,6 @@ namespace MediaBrowser.Model.Dlna
             if (item.VideoType == VideoType.Dvd || item.VideoType == VideoType.BluRay)
             {
                 isEligibleForDirectPlay = false;
-                isEligibleForDirectStream = false;
             }
 
             if (bitrateLimitExceeded)

MediaBrowser.Providers/MediaInfo/FFProbeVideoInfo.cs

@@ -328,9 +328,12 @@ namespace MediaBrowser.Providers.MediaInfo
         {
             var video = (Video)item;
 
-            // Use BD Info if it has multiple m2ts. Otherwise, treat it like a video file and rely more on ffprobe output
+            if (blurayInfo.Files.Length <= 1)
-            if (blurayInfo.Files.Length > 1)
             {
+                return;
+            }
+
+            // Use BD Info if it has multiple m2ts. Otherwise, treat it like a video file and rely more on ffprobe output
             int? currentHeight = null;
             int? currentWidth = null;
             int? currentBitRate = null;
@@ -377,7 +380,6 @@ namespace MediaBrowser.Providers.MediaInfo
                 videoStream.Height = IsEmpty(videoStream.Height) ? currentHeight : videoStream.Height;
             }
         }
-        }
 
         private bool IsEmpty(int? num)
         {
@@ -391,10 +393,7 @@ namespace MediaBrowser.Providers.MediaInfo
         /// <returns>VideoStream.</returns>
         private BlurayDiscInfo GetBDInfo(string path)
         {
-            if (string.IsNullOrWhiteSpace(path))
+            ArgumentException.ThrowIfNullOrEmpty(path);
-            {
-                throw new ArgumentNullException(nameof(path));
-            }
 
             try
             {