[Cin] HDR test on youtube (vp9 HLG 10bit)

[Andrew Randrianasulu]

вт, 6 мая 2025 г., 22:20 Andrew Randrianasulu <randrianasulu at gmail.com>:

> https://m.youtube.com/watch?v=j0j-40NrGGU&pp=ygUMMTAwMCBuaXQgaGRy
>
> 110 mbytes,4 min, 4k ;)
>


Well, this one goes to signal 0.911 or something .... So probably working?

https://m.youtube.com/watch?v=oU93MrTdayI&pp=ygUMMTAwMCBuaXQgaGRy

=== description ====

I bought the iPhone 13 Pro. I created a test pattern to see how the
brightness looks over 1000 nits when displaying HDR video. Using this test
pattern, you can see how the brightness looks from 100 nits to 4800 nits.

https://drive.google.com/file/d/19we4ACLjk4VV9Z6j4NlvbVdrcbeYR-Dw/view

==== end of description ====

9 mbytes or so in size, 4k, hevc, PQ gamma encoding.

Interesting that if I try F_tonemap, algorithm 5, parameter 1.0, desat 2.0,
peak 1000 (or 100) - it REALLY compress it! Down to 0.30 or something on
scopes ....

Not sure if this is bug or feature or misconfiguration of F_tonemap on my
side.

>
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