Unable to DirectPlay 10bit HEVC 1080p with Plex HTPC, works fine with PMP on the same computer

Plex Players Desktop Players
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1

Server Version#: 1.24.5.5173
Player Version#: Plex HTPC 1.19.1.3076 / PlexMediaPlayer 2.58.0.1076

I’m having lot’s of issues playing 10bit HEVC 1080p files with Plex HTPC, but it work perfectly with PMP!

  • Context:
    • On PMP I can play the file fine, without issues
    • On HTPC I cant even start playing the file
      • Most of the time it freeze the player, and I have to kill in on the TaskManager
      • Other time it wont start at all (black screen) and even if the palyer is not dead, if i try to start another file it will not work, need to kill the player to go back to normal
    • Same file
    • Same computer
    • From the same server
    • Direct play (Using transcode works, but the fiule direct play perfectls on PMP, so I have no reason to assume HTPC can’t do it)
  • What did I already tryed:
    • Change pretty much all availeable video setting
    • Updating the drivers + Firmware (running on an INTEL NUC)

File caracteristic (Extracted from Plex Server):

Codec HEVC
Bitrate 2551 kbps
Bit Depth 10
Chroma Subsampling 4:2:0
Coded Height 1080
Coded Width 1920
Color Primaries bt709
Color Range tv
Color Space bt709
Color Trc bt709
Frame Rate 23.976 fps
Height 1080
Niveau 4.0
Profil main 10
Ref Frames 1
Width 1920
Display Title 1080p (HEVC Main 10)

PS: Can’t really update the Server as version past the 1.24.5.* are really unstable

Plex HTPC.1.log.zip (19.6 KB)

2

Huh ?

I am running the latest public version (1.27.0.5897) and perfectly stable.

I also just played two 10 bit HEVCs 1080P via Plex HTPC and they played without issue. I don’t even have special settings.

For Plex staff to troubleshoot you will need to upload logs.

3

Unfortunately this is not my experience, but it’s off topic.

I have upload the logs on the orriginal post, I can reproduce 100%:

  • Start Plex HTPC
  • Select episode partialy watched
  • Try to play
    • Black screen
  • I can hit ESC and exit the application but in fact the process is still visible in task manager and will stay there untill i kill it.
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