вт, 13 мая 2025 г., 12:11 Pekka Paalanen <pekka.paala...@haloniitty.fi>:
> On Mon, 12 May 2025 15:52:04 +0300 > Andrew Randrianasulu <randrianas...@gmail.com> wrote: > > > And modern reincarnation of this idea, using OBS's plugins! > > > > https://m.youtube.com/watch?v=qXrn4MqY1Wo > > "DIY "infinity contrast" TV - with 100% recycled parts" from two months > > ago, initially found by my friend Vladimir after I showed him all this. > > > > added two more recipients in cc. > > > > Pekka, you might like this too, as less secretive description of how HDR > > part of HDR display system works. > > Hi Andrew, > > that's a neat project for sure. > > > >> PS: I played around with Colorspace property on my hdmi connector on > > >> RX550 via xrandr: > > >> > > >> guest@slax:~/botva/src/src$ DISPLAY=":0" xrandr --output 0x54 --set > > >> Colorspace Default > > >> guest@slax:~/botva/src/src$ DISPLAY=":0" xrandr --output 0x54 --set > > >> Colorspace BT2020_YCC > > >> guest@slax:~/botva/src/src$ DISPLAY=":0" xrandr --output 0x54 --set > > >> Colorspace Default guest@slax:~/botva/src/src$ > DISPLAY=":0" > > >> xrandr --output 0x54 --set Colorspace opRGB guest@slax > :~/botva/src/src$ > > >> DISPLAY=":0" xrandr --output 0x54 --set Colorspace Default > > >> > > >> Anything but Default resulted in VERY pink (nearly red!) image. Not > sure > > >> if this is limitation of 8bit per channel mode or hdmi to vga > adapter I > > >> use? > > Maybe https://gitlab.freedesktop.org/drm/amd/-/issues/3358 ? > Ah, thanks, looks similar, while I tested with fullscreen firefox window (triggered xrandr from remote ssh session). > > > > > > Thanks, > pq >
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