Add hardware encoding status to playback data

Resolves #6087

CONTRIBUTORS.md

@@ -212,3 +212,4 @@
  - [Tim Hobbs](https://github.com/timhobbs)
  - [SvenVandenbrande](https://github.com/SvenVandenbrande)
  - [olsh](https://github.com/olsh)
+ - [gnuyent](https://github.com/gnuyent)

Jellyfin.Api/Helpers/TranscodingJobHelper.cs

@@ -458,6 +458,7 @@ namespace Jellyfin.Api.Helpers
                     AudioChannels = state.OutputAudioChannels,
                     IsAudioDirect = EncodingHelper.IsCopyCodec(state.OutputAudioCodec),
                     IsVideoDirect = EncodingHelper.IsCopyCodec(state.OutputVideoCodec),
+                    IsHardwareEncode = !string.IsNullOrEmpty(_serverConfigurationManager.GetEncodingOptions().HardwareAccelerationType),
                     TranscodeReasons = state.TranscodeReasons
                 });
             }

MediaBrowser.Model/Session/TranscodingInfo.cs

@@ -34,6 +34,8 @@ namespace MediaBrowser.Model.Session
 
         public int? AudioChannels { get; set; }
 
+        public bool IsHardwareEncode { get; set; }
+
         public TranscodeReason[] TranscodeReasons { get; set; }
     }
 }