No DolbyVision on AppleTV 4k with MP4 files

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Player Version#: 7.11 (22422)

I have an MP4 file that has DolbyVision level 6 profile 7 content in it. Plex on the AppleTV 4k won’t play it in DV mode, my TV (LG C8) will switch back to regular HDR. I have no issue playing DV content otherwise on the TV and the AppleTV interface is also shown on the TV in DV mode.

File info:

Codec HEVC
Bitrate 72070 kbps
Bit Depth 10
Chroma Subsampling 4:2:0
Codec ID hev1
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
Stream Identifier 1
Width 3840
Display Title 4K (HEVC Main 10 HDR)
Extended Display Title 4K (HEVC Main 10 HDR)

Codec HEVC
Bitrate 5502 kbps
Language English
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 Subsampling 4:2:0
Codec ID dvhe
Coded Height 1080
Coded Width 1920
Color Primaries bt2020
Color Range tv
Color Space bt2020nc
Color Trc smpte2084
Frame Rate 23.976 fps
Height 1080
Level 5.1
Profile main 10
Ref Frames 1
Stream Identifier 2
Width 1920
Display Title 1080p (HEVC Main 10 HDR)
Extended Display Title 1080p (HEVC Main 10 HDR)

I could not find any DV content in my collection that would be played in DV mode through the AppleTV 4k + LG C8. (don’t have many dv files though…)

What could I do to have these files played?

The Apple TV 4K does not support Dolby Vision Profile 7.

Apple TV 4K - Technical Specifications - Apple

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