1 files changed, 3 insertions, 2 deletions
diff --git a/MediaBrowser.Api/Playback/BaseStreamingService.cs b/MediaBrowser.Api/Playback/BaseStreamingService.cs
index eb44cb426..928ca1612 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();
 
             return EnableOutputInSubFolder
@@ -321,7 +321,7 @@ namespace MediaBrowser.Api.Playback
             var encodingOptions = ServerConfigurationManager.GetEncodingOptions();
 
             // enable throttling when NOT using hardware acceleration
-            if (encodingOptions.HardwareAccelerationType == string.Empty)
+            if (string.IsNullOrEmpty(encodingOptions.HardwareAccelerationType))
             {
                 return state.InputProtocol == MediaProtocol.File &&
                        state.RunTimeTicks.HasValue &&
@@ -330,6 +330,7 @@ namespace MediaBrowser.Api.Playback
                        state.VideoType == VideoType.VideoFile &&
                        !string.Equals(state.OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase);
             }
+
             return false;
         }