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4K HDR10 - State of Play thread - important media player limitations.
(6 hours ago)wesk05 Wrote:
(9 hours ago)Mount81 Wrote: So what would be your opinion and conclusion here regarding which has just dithering and which may have true 10bit?
Did you switched ON that "manual 10 bit" option in OSMC?
Vero 4K and LE-S905X are the good ones. The patterns that you see are due to rounding errors. CE-S905X is actually the worst. It is actually 8-bit with dithering. CE-S912 is 10-bit with dithering. If there wasn't dithering CE-S192 will also look like Vero 4K and LE.

Yes, 10-bit mode was enabled for Vero 4K.
(6 hours ago)atomizasser Wrote: Which version of CE was used?
8.95.0  release   
 Well, I have based my judgement on this previous post, and on the pictures also here, as you can read it identifies and discriminates in a rather opposite way between bad and wrong result. I thought that if you get more tiny and more separated blocks, than it's closer to the good result, and if it show less separated and huger blocks, or just rather columns than it's rather worst. Or I just didn't get it right how to conclude the difference?

Edit: taking a closer look, now I see what you mean. S912 and CE-S905X have some "noisy" patterns, with some color fibrillation and fragmentation in them and not so homogenous colored blocks. That may be the sign of the bad dithering? No such mentioned in the Quants2D test's original page, it just differentiates them by the size and, number of the blocks, columns.
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(6 hours ago)wesk05 Wrote: Vero 4K and LE-S905X are the good ones.
@wesk05, you might want to try the LibreELEC-S912.arm-8.2.5-Chroma.422.10bit.img.gz image in the following folder:

Mega - LE 8.x testing Folder (click)

Leave the GUI at 1080p and remember to enable the Settings > System > AMLOGIC > 422,10bit option
Refresh / Resolution switching must occur for AML LE to set 422, 10bit automatically before the start of video 4K HDR playback, otherwise you hard Set it via SSH. Wink

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4K HDR10 - State of Play thread - important media player limitations.2.52