Mini Extreme SuperSource chroma pixel shift problem

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tjp740

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  • Joined: Fri Feb 04, 2022 4:30 pm
  • Real Name: Tim Peterson

Mini Extreme SuperSource chroma pixel shift problem

PostFri Feb 04, 2022 6:55 pm

I have been putting my Extreme ISO through its paces and found an odd video quality issue with SuperSource boxes. Any time a box is scaled down from full screen size, the color data appears to be shifted to the right compared to the luminance data, by a variable amount dependent in some way on the scale factor. Compare these images captured from the ATEM output, each one at full size and then at 0.99 scale:

Test pattern comparison.png
Test pattern: 100% vs 99%
Test pattern comparison.png (32.03 KiB) Viewed 1805 times


Logo comparison.png
Logo: 100% vs 99%
Logo comparison.png (61.51 KiB) Viewed 1805 times


Do you experience the same problem in your Super Sources? I didn't see anyone else commenting on this, but it seems to be a pretty glaring issue that someone else would have seen. It doesn't matter whether the box content is coming from a live input or a media player.
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arielm

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  • Real Name: Ariel Michaeli

Re: Mini Extreme SuperSource chroma pixel shift problem

PostWed Feb 09, 2022 6:10 am

Same here. I couldn’t find much written about it so I. Contacted Blackmagic’s support and they confirmed this is a bug.

They did not offer an ETA for fixing it though.

In my case this only seems to happen with a computer input and not my main camera so I use the supersource when I don’t have a computer connected and use upstream keys to fake a supersource when I do. It’s almost perfect but the limit of 2 DVEs makes more complicated things impossible.

I hope to see a fix soon.
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mark@mchristopherholloway.com

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  • Real Name: Mark Holloway

Re: Mini Extreme SuperSource chroma pixel shift problem

PostSun Jan 28, 2024 2:40 am

I am experiencing this same issue today with resized Supersource text content (slide presentation). Has a fix for the reported bug been released or is it a dead issue at BM support?
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arielm

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Re: Mini Extreme SuperSource chroma pixel shift problem

PostSun Jan 28, 2024 5:42 am

Nope…
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Moritz Husemann

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Re: Mini Extreme SuperSource chroma pixel shift problem

PostWed Jan 22, 2025 10:58 am

Hi,

is there a fix?
Experiancing a similar issue at the moment with softwareversion 9.6.3
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arielm

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  • Real Name: Ariel Michaeli

Re: Mini Extreme SuperSource chroma pixel shift problem

PostThu Jan 23, 2025 1:18 am

Nothing new to my knowledge, but I did notice it happens less often now for some reason.

To reliably prevent this from happening though I turn the atem on, wait a bit, then turn it off and on again which seems to fix it. I set it up to happen with a smart plug and a home assistant automation so I don't have to do it manually. Not ideal, but it works.

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