From 7e8428e588b3f0a0574da44081098c64fe1a47d7 Mon Sep 17 00:00:00 2001
From: Bond_009 <bond.009@outlook.com>
Date: Thu, 20 May 2021 21:28:18 +0200
Subject: Enable nullable reference types for Emby.Server.Implementations

---
 Jellyfin.Api/Helpers/TranscodingJobHelper.cs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'Jellyfin.Api/Helpers/TranscodingJobHelper.cs')

diff --git a/Jellyfin.Api/Helpers/TranscodingJobHelper.cs b/Jellyfin.Api/Helpers/TranscodingJobHelper.cs
index 0879cbd18..7cb015993 100644
--- a/Jellyfin.Api/Helpers/TranscodingJobHelper.cs
+++ b/Jellyfin.Api/Helpers/TranscodingJobHelper.cs
@@ -380,7 +380,9 @@ namespace Jellyfin.Api.Helpers
         /// <param name="outputFilePath">The output file path.</param>
         private void DeleteHlsPartialStreamFiles(string outputFilePath)
         {
-            var directory = Path.GetDirectoryName(outputFilePath);
+            var directory = Path.GetDirectoryName(outputFilePath)
+                ?? throw new ArgumentException("Path can't be a root directory.", nameof(outputFilePath));
+
             var name = Path.GetFileNameWithoutExtension(outputFilePath);
 
             var filesToDelete = _fileSystem.GetFilePaths(directory)
-- 
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