From ace1e70c63732d690fcb870612ba891981d7dfa8 Mon Sep 17 00:00:00 2001
From: "Joshua M. Boniface" <joshua@boniface.me>
Date: Sun, 19 Apr 2020 12:45:08 -0400
Subject: [PATCH] Merge pull request #2849 from lyonzy/patch-1

Handle null outputFileExtension in GetOutputFilePath

(cherry picked from commit 5c669d7ad7145eb2b54ec88a8636a28ea4eefcd1)
Signed-off-by: Joshua M. Boniface <joshua@boniface.me>
---
 MediaBrowser.Api/Playback/BaseStreamingService.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/MediaBrowser.Api/Playback/BaseStreamingService.cs b/MediaBrowser.Api/Playback/BaseStreamingService.cs
index 5029ce0bb7..29a5095c2d 100644
--- a/MediaBrowser.Api/Playback/BaseStreamingService.cs
+++ b/MediaBrowser.Api/Playback/BaseStreamingService.cs
@@ -134,7 +134,7 @@ namespace MediaBrowser.Api.Playback
             var data = $"{state.MediaPath}-{state.UserAgent}-{state.Request.DeviceId}-{state.Request.PlaySessionId}";
 
             var filename = data.GetMD5().ToString("N", CultureInfo.InvariantCulture);
-            var ext = outputFileExtension.ToLowerInvariant();
+            var ext = outputFileExtension?.ToLowerInvariant();
             var folder = ServerConfigurationManager.GetTranscodePath();
 
             if (EnableOutputInSubFolder)