[djoole]

Nope, i have a Nvidia (680).

For me it's the contrary, i tried to played with every other options but his one, and couldn't get rid of the delay.
It's thanks to this topic and someone talking about this option being a game changer too, that i tried to change it.
And voilà, perfect sync

This 24p issue is quite complex, and i think there is a lot where something can goes wrong and bring this problem to the user..

Just to be clear, the symptoms before adding the pause were this :

- big delay when starting playback
- sync back to normal when hitting "left" during playback (30 sec leap backward)
- buig delay back when pausing and playing again
So i could'nt use the delay global settings, because this big delay was only occurring at the playback launch or when going of pause.

For those who have these exact symptoms, pause before changing refresh might be the solution.

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And here are my settings, if it can help anyone (i'll translate them from french to english so could be a little different from reality) :

SYSTEM / VIDEO OUTPUT :
- resolution : 1920x1080P
- simulate full screen with window : false
- vertical sync : always activated

VIDEO / PLAYBACK :
- adjust refresh rate to video : always
- pause during refresh rate frequency change : 2 sec
- playback sync with display : false

VIDEO / ACCELERATION :
- rendering method : DXVA
- decoding method : hardware accelerated
- activate hardware acceleration (DXVA2) : true