4 ms·

I don't know of any video player outside of XBMC that is capable of (1). And it involves a nasty OS call to make a mode switch, which causes flickering on most

I don't know of any video player outside of XBMC that is capable of (1). And it involves a nasty OS call to make a mode switch, which causes flickering on most machines. Variable sync rate, such as that on eDP, has yet to see a viable userspace API when not fullscreen. I think presentation timestamps in the compositor will help a lot, at least to achieve perfect 3:2 pulldown for 24 fps content, and will help avoid jitter. I'm quite sensitive to the effect myself and run my "TV" monitor at 72Hz, and still have problems relating to timing jitter.

beloch 12y ago
PowerDVD is also capable of setting refresh rates, although older versions consistently choose the wrong refresh rate for 24fps content for some strange reason. My HTPC runs windows (necessary for Bluray support). I've hotkeyed a group of nircmd scripts that allow me to rapidly change frame rate on the fly, and programs like zoom player and vlc adapt very smoothly and give hiccup free playback. It would be nice if these programs could change framerate themselves. Very little work would be required to add this capability, but frame rate aware software is stuck in a primitive state for no reason that I can discern.