Use hardware encoding string over boolean

Jellyfin.Api/Helpers/TranscodingJobHelper.cs

@@ -444,6 +444,8 @@ namespace Jellyfin.Api.Helpers
             {
                 var audioCodec = state.ActualOutputAudioCodec;
                 var videoCodec = state.ActualOutputVideoCodec;
+                var hardwareAccelerationType = _serverConfigurationManager.GetEncodingOptions().HardwareAccelerationType;
+                hardwareAccelerationType = string.IsNullOrEmpty(hardwareAccelerationType) ? "none" : hardwareAccelerationType;
 
                 _sessionManager.ReportTranscodingInfo(deviceId, new TranscodingInfo
                 {
@@ -458,7 +460,7 @@ namespace Jellyfin.Api.Helpers
                     AudioChannels = state.OutputAudioChannels,
                     IsAudioDirect = EncodingHelper.IsCopyCodec(state.OutputAudioCodec),
                     IsVideoDirect = EncodingHelper.IsCopyCodec(state.OutputVideoCodec),
-                    IsHardwareEncode = !string.IsNullOrEmpty(_serverConfigurationManager.GetEncodingOptions().HardwareAccelerationType),
+                    HardwareAccelerationType = hardwareAccelerationType,
                     TranscodeReasons = state.TranscodeReasons
                 });
             }

MediaBrowser.Model/Session/TranscodingInfo.cs

@@ -34,7 +34,7 @@ namespace MediaBrowser.Model.Session
 
         public int? AudioChannels { get; set; }
 
-        public bool IsHardwareEncode { get; set; }
+        public string HardwareAccelerationType { get; set; }
 
         public TranscodeReason[] TranscodeReasons { get; set; }
     }