resolve conflicts

MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs

@@ -2019,7 +2019,7 @@ namespace MediaBrowser.Controller.MediaEncoding
             }
 
             // If we're hardware VAAPI decoding and software encoding, download frames from the decoder first
-            else if (IsVaapiSupported(state) && string.Equals(options.HardwareAccelerationType, "vaapi", StringComparison.OrdinalIgnoreCase)
+            else if ((videoDecoder ?? string.Empty).IndexOf("vaapi", StringComparison.OrdinalIgnoreCase) != -1
                 && string.Equals(outputVideoCodec, "libx264", StringComparison.OrdinalIgnoreCase))
             {
                 var codec = videoStream.Codec.ToLowerInvariant();