Green tint on some movies

[scdouglas]

Well it's weird. It does not look green on my machine, does this image look green to you on your OLED display?

There is a very slight green tint, but it's nowhere near what my original screenshot looked like. This is actually pretty much what it looks like if I play the clip through VLC on my OLED.

[TheDreadPirate]

It does for me.

On the left is a test instance Jellyfin with an RX6800 doing the tone mapping, playing in Chromium on the same machine.  Right is MPV on the same machine.

   

Hopefully my pixel's camera captured the tint well enough.

   

[gnattu]

There is a very slight green tint, but it's nowhere near what my original screenshot looked like. This is actually pretty much what it looks like if I play the clip through VLC on my OLED.

Then this is how it should behave, I'm not sure what happened on your system now. And the "very slight green tint" is probably your monitor/calibration issue at low light scenes because it is NOT green on mine. You can check again by looking at your phone to see if it is less green.

It should not be *that* green like your original screenshot. Are you using your browser directly or using JMP? JMP has known issue on wide gamut displays and may display colors off, so you can try your browser to see if that works better for you.

[scdouglas]

There is a very slight green tint, but it's nowhere near what my original screenshot looked like. This is actually pretty much what it looks like if I play the clip through VLC on my OLED.

Then this is how it should behave, I'm not sure what happened on your system now. And the "very slight green tint" is probably your monitor/calibration issue at low light scenes because it is NOT green on mine. You can check again by looking at your phone to see if it is less green.

It should not be *that* green like your original screenshot. Are you using your browser directly or using JMP?  JMP has known issue on wide gamut displays and may display colors off, so you can try your browser to see if that works better for you.

I've tried on my browser and JMP, though normally I just use the browser version on my desktop. Importantly though, I have 3 TVs in my house with Nvidia Shields on them, and they all exhibit the same green tinting. None of those are OLEDs as well, and they definitely didn't used to show this issue, this started more recently, and I don't know why. My OLED is pretty new though, so I haven't really calibrated it yet and I would expect *some* color shift due to it being factory settings. The other TVs though definitely did not look like this when I started running Jellyfin off a dedicated server just over a year ago.

[gnattu]

> this started more recently, and I don't know why

I don't know either unless you tell me *how* recent

[scdouglas]

> this started more recently, and I don't know why

I don't know either unless you tell me *how* recent

I can only estimate, but I know I first saw the issue for the first time in July, I think it was roughly the third week of July. I was away a lot over the summer, I remember turning my projector on one day and it was just green (running on Shield), and I thought my projector was dying. My brother then got a Shield and texted me one day asking why the movie he was watching was green tinted, shortly after I first saw it. I don't know if that rough date estimation does you any good, I assume you'd be looking for any updates or changes to tone mapping around that time?

[gnattu]

Nothing has changed for that time AND i really cannot reproduce this. Even the DreadPirate's images looks fine to me (is it also look fine to you?). At this point I can only ask you if you can try change a gpu...

Can you see if this tints on your system: download link

This is generated using nvenc pipeline with your tonemap settings with my computer and it looks fine on my system.

[scdouglas]

Nothing has changed for that time AND i really cannot reproduce this. Even the DreadPirate's images looks fine to me (is it also look fine to you?). At this point I can only ask you if you can try change a gpu...

Can you see if this tints on your system: download link

This is generated using nvenc pipeline with your tonemap settings with my computer and it looks fine on my system.

It is 100% green tinted in that video for me, much more noticeably than my ffmpeg clip from earlier. I've got a couple of GTX 1060s lying around, though the 1080 that's in there needed some heatsink and display out "surgery" with the soldering iron to get fit into the server and have the lid closed lol. I have no clue why it isn't reproduceable outside of my server, but I guess it very well may be my hardware for some reason. No use in continuing to beat this dead horse if none of you can reproduce it so I will go try and change hardware out (possibly try disabling NVENC and seeing if it goes away?). Very much appreciate you looking into this for me in the meantime and I'll post a follow up if I ever get it solved.

[gnattu]

I highly doubt if it really does not happen with old version of jellyfin. If you have time can you spawn an instance of 10.8 and see the result?

[gnattu]

Hello, I think I found the root cause of your issue and we are working on a fix: https://github.com/jellyfin/jellyfin-ffmpeg/pull/472

Stay tuned for 10.10