[MPlayer-users] Forcing other framerates

[meino.cramer at gmx.de]

"Ing. Daniel Rozsnyó" <daniel at rozsnyo.com> [10-04-27 04:03]:
> >Final question:
> >If a LCD refreshes at 60Hz AND a video offers every 1/25 second
> >a new image (region 2 land) AND Vsync (tries to) sync both: How
> >could they find together? Will the LCD refresh rate be slowed down?
> 
> No slowing down, frames are displays as same - 2x or 3x. The ratio of 
> 60:25 is 2.4, so more often there are two same frames, than three.
> 
> From this viewpoint it is good to have an integer multiply of frame 
> rate (e.g. 3x24=72 Hz or 3x25=75 Hz) - in case that the device can 
> display it. (you with 1920x1200 can't, because of bandwidth limitation, 
> and I can not too - my DLP projector runs at constant speed as I 
> noticed).
> 
> Here is some more reading - if you want to find out what are you 
> missing out, by using 60 Hz presentation of 25 Hz contents:
> 
>   http://en.wikipedia.org/wiki/Moving_image_formats#Presentation
> 
> Daniel
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> 

Hi Daniel,

 Thank you for the link! I always interested -- especially
 when it comes to technique and the things behind the things.
 "What is the matrix?"...so or similiar... ;) :)

 Thanks a lot again!
 Keep hacking!
 mcc

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