Errr, looking at the log, its using hevc to encode it
> FFMpeg.Arguments: -fflags +genpts -probesize 5M -hwaccel cuda -i "/temp/testforflow/Oculus (2013) {imdb-tt2388715} [WEBDL-2160p][HDR10][DTS-HD MA 5.1][x265]-iND.mkv" -y -map 0:v:0 -c:v:0 hevc_nvenc -rc constqp -qp 26 -preset p6 -spatial-aq 1 -pix_fmt:v:0 p010le -profile:v:0 main10 -filter:v:0 crop=3840:1600:0:280 -map 0:a:0 -c:a:0 copy -metadata:s:a:0 "title=Deutsch DTS-HD MA 5.1" -metadata:s:a:0 language=ger -map 0:a:1 -c:a:1 copy -metadata:s:a:1 "title=Englisch DTS-HD MA 5.1" -metadata:s:a:1 language=eng -map 0:s:0 -c:s:0 copy -metadata:s:s:0 language=ger -strict -2 /temp/Runner-84f8c7b6-0dfa-40a1-8f1b-e86a97ac9907/e5839aae-2856-4e22-b657-cbc13bd97851.mkv
-c:v:0 hevc_nvenc
and then confirmed
2023-05-16 09:04:28.469 [INFO] -> Stream mapping:
2023-05-16 09:04:28.469 [INFO] -> Stream #0:0 -> #0:0 (hevc (native) -> hevc (hevc_nvenc))
