Dolby vision content looks too dark and is washed out

Plex Players Streaming Devices
1

Server Version#: 1.25.7.5604
Player Version#: 8.31.0.31311 (9286d42a)

I’ve found that playing Dolby Vision content through Plex on my Sheild TV Pro results in an image that’s too dark and washed out. Playing the exact same content through Kodi displays the image perfectly.

The Plex server shows the Direct Play is used, so no transcoding.

Here are the details for the Criterion 4k release of Mulholland Drive that has this issue.

  • Codec HEVC
  • Bitrate 77904 kbps
  • Language English
  • Language Tag en
  • D O V I B L Compat I D 6
  • D O V I B L Present true
  • D O V I E L Present true
  • D O V I Level 6
  • D O V I Present true
  • D O V I Profile 7
  • D O V I R P U Present true
  • D O V I Version 1.0
  • Bit Depth 10
  • Chroma Location topleft
  • Chroma Subsampling 4:2:0
  • Coded Height 2160
  • Coded Width 3840
  • Color Primaries bt2020
  • Color Range tv
  • Color Space bt2020nc
  • Color Trc smpte2084
  • Frame Rate 23.976 fps
  • Height 2160
  • Level 5.1
  • Profile main 10
  • Ref Frames 1
  • Width 3840
  • Display Title 4K Dolby Vision/HDR10 (HEVC Main 10)
  • Extended Display Title 4K Dolby Vision/HDR10 (HEVC Main 10)

Screen Shot 2022-03-23 at 8.26.13 PM

2

Tried the latest beta (9.0.0.31604) and the issue with Dolby Vision still exists. Plex is definitely passing the fact that the video is in Dolby Vision, since the TV (Sony 65X930E) goes in to DV mode, but it just doesn’t look right.

One thing I did fine is that DV videos recorded with an iPhone play back perfectly. Those are a different DV profile, which I’m guessing is what’s causing the issue.

Is there anything on the roadmap to fix Dolby Vision playback? Since Kodi is able to playback the videos without issue, that at least shows it’s possible to due on the Shield.

3

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