Does anyone have an Windows 10 server serving an NVidia Shield client playing 4K video without transcoding?

Plex Players Streaming Devices
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Server Version#: 1.21.1.3766
Player Version#:8.10.0.21911

I have been trying to troubleshoot a frustrating change in behavior of Plex on my system. I have several NVidia Shield clients attached to non 4K TVs. When I attempt to play 4K material, my server decides it needs to transcode the 4K HVEC 10 to 4K H264 (along with audio transcoding). My server is not powerful enough to do this, so I get frequent pauses. If I “remove updates” from the Plex app on my NVidia shield, I roll back to version 5.6.1.505. This plays my 4K content flawlessly (4K video is direct streamed, audio is transcoded which I think is the correct behavior). I can supply logs if anyone would like to review. My novice peruse of the logs shows that the updated Plex app reports Direct Play to be off. I do not see any option to turn on Direct Play in the newest Plex app (it is an option in the old version). If anyone has the new version working on an Nvidia Shield, would greatly appreciate knowing what settings you have.

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It’s working for me, depending on what audio stream I select. For DTS-HD MA and AC3, both video and audio direct play. But TrueHD causes an audio transcode (with video direct streaming). I assume this is because my receiver doesn’t support TrueHD. When that happens, playback is very choppy even though I thought my server would be to handle this. So for those 4K videos, I select the AC3 stream and everything direct plays just fine. Not sure what’s really going on with the TrueHD transcode – haven’t investigated beyond just switching to AC3 for the time being.

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