Uli Zappe

> This is for BT.709 (strange d, but whatever): Um, yes, but what’s your point?

> > But funnily, endless trial & error to reproduce the color behavior of **QuickTime Player** exactly showed that Apple uses 1.96, not the BT.709 curve > > But that...

> * We are changing the profile behaviour. This was discussed in one ICC meeting and the result was a consensus were Adobe and Apple agreed to not "hot-fix" profiles...

> In 2013 or so. I wonder why they didn't... or maybe they did but only on V4 profiles? In this case I don’t think we can afford to wait...

> So can we finally say whether you are supposed to color manage on scene linear light? I.e. you use BT.709 transfer to linearise then apply color change then delinearise...

> Yes, but MacOS' display is display-p3 Not necessarily. It might be anything you set as display profile. > So BT.1886 is done on GPU. What do you mean by...

> @UliZappe I didn’t realize the difference between ITU-R 709 and Apple’s HDTV profile is so big. In fact, the huge original [Color Management (OS X): Image is too dark](https://github.com/mpv-player/mpv/issues/534)...