Apple TV 4k (2021) HDR color banding

After more testing, I get terrible banding and edited my initial reply.

  • ATV4K 2021 set to match range
  • testing Blade.Runner.2049.2017.2160p.UHD.BluRay.x265 by terminal
  • playing on an LG 43UN7300
  • local LAN
  • My TV displays an HDR badge when the video starts
  • 2:15 - 2:50 into the film, it’s like everyone else showed.

Am I correct that we think MPV can’t map 10bit textures because Apple stopped supporting OpenGL? So our path forward is blocked until they figure out how to use Metal and because other players that work don’t use MPV?

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I’m also having the same issue and it has been driving me insane until I found this thread. I’m using the latest appleTV 4K with a UST 4K projector. The banding has been awful in plex content but is perfect on every other app. Will try the old player / infuse workaround but would be nice to hear from the devs on this.

Out of curiosity, does anyone experience something similar on an M1 Macbook with the XDR display (miniLED)?

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Nope, no banding on my MacBook Pro with the M1 chip… But I think the Plex App on Mac is just the web version of Plex as an app so you can’t really compare it. I assume if the Apple TV app would run on a MacBook you would get the same banding issues.

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In some ways yes, in other ways no. :slight_smile: The browsing interface is closely related, but the playback engine is totally different from Plex Web.

if you install the iOS app on your M1 there is banding.

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Funny, I also first noticed this banding issue while watching that exact same scene. It’s bothered me ever since so now I have to use the crappy Android TV App version of Plex on my A90J to avoid it.

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Is plex working on this bug?

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The answer is: NO

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Can any Plex employees confirm if Plex is/isn’t working on a fix for this? I would have thought this would be a high priority given that the AppleTV is considered to deliver a premium Plex experience.

Is the issue too difficult to fix? Should I throw my AppleTV 4K 2021 in the bin and just go back to using WebOS?

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Seems that last update fixed the issue with the “old player”.

Finally I am able to use it and watch my film without the horrible color banding

I believe the old player always worked without banding as long as the file was mp4. Did they make a change to repack mkv’s to mp4 on the fly?

My mkv files seem to be working fine with the old player, aside from a lot of audio transcoding.

I’ve been having this issue as well and wanted to chime in. Any kind of 4k is quite unwatchable now I’ve tried on multiple tv shows and movies and anywhere there is a light colour eg cloud and skies it has terrible banding and blocking. Most recently on episode 3 of the new GoT show it’s everywhere.
Also I’m not using an oled, using a formovie theatre projector with Apple TV 4K 2022 and nothing in between. Directly connected.

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Looking in sinds a year ago. The moment I started using Infuse (flawless playback yes). Than it was already a lengthy thread of problems.

Unbelievable that there is not even feedback from the Plex guy’s for soooo long!!! Let alone a solution or BUG fix

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I updated to tvOS 16, but it does not help. The issue persists in the same manner when using the “new” player.

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Also been having issues with this for over a year now. Really tired of having to use Infuse for any 4k HDR content especially since we have to pay for infuse.

Can someone from Plex provide an update on this issue?

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We are continuing to work on this, and hope to have some more news soon (this required changes and updates to mpv and ffmpeg)

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Thanks for the update Dave! Good to know that you guys are aware of the issue and that a solution is in the works.

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Hope you fix this soon. Infuse Pro plays everything flawlessly, but the UI is so painful to use.

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