[MPlayer-users] Forcing other framerates

[meino.cramer at gmx.de]

Rolf Ernst <rolf.ernst at silverlightning.org> [10-04-26 18:04]:
> On 4/26/2010 10:59 AM, meino.cramer at gmx.de wrote:
> >"Ing. Daniel Rozsnyó"<daniel at rozsnyo.com>  [10-04-26 17:21]:
> >   
> >>meino.cramer at gmx.de wrote:
> >>     
> >>>RC<cooleyr at gmail.com>  [10-04-25 20:00]:
> >>>       
> >>>>On Sat, 24 Apr 2010 16:32:40 +0200
> >>>>meino.cramer at gmx.de wrote:
> >>>>
> >>>>         
> >>>>>I bought a new LCD monitor with 60Hz framerate.
> >>>>>When playing videos sometimes I git a distortet
> >>>>>screen (not only with mplayer!!!). I think, it
> >>>>>is because the video plays at 50Hz framerate
> >>>>>which then interferes with the 60Hz refresh rate
> >>>>>of the monitor.
> >>>>>           
> >>>>LCDs effectively do not have a refresh rate (or a "framerate").
> >>>>         
> >>LCD has a refresh rate! It refreshes the picture from top to bottom,
> >>just the "memory effect" of the screen is much bigger than on CRT. 
> >>The
> >>LCD is effectively a visible dynamic memory (DRAM).
> >>     
> >   That means...?
> >   Displaying Image contents with a rate of 25Hz to a technology
> >   drawing every 1/60 second a picture...gives...?
> >
> >   
> >>     
> >>>>You've not described what this "distortet screen" problem is, so
> >>>>nobody
> >>>>can possibly help.
> >>>>
> >>>>
> >>>>-- 
> >>>>Ha. I'm the idiot.
> >>>>_______________________________________________
> >>>>MPlayer-users mailing list
> >>>>MPlayer-users at mplayerhq.hu
> >>>>https://lists.mplayerhq.hu/mailman/listinfo/mplayer-users
> >>>>
> >>>>         
> >>>If LCDs have no framerate or refresh rate, they will not draw
> >>>frames from top to bottom? How then?
> >>>A try for a better explanation:
> >>>Certain videos (for example the Neo<->Smith fight sceen in Matrix
> >>>Revoluitions) with fast changing lightning conditions expose some
> >>>screen distortions.
> >>>They are of two kind:
> >>>The upper half of the screen is still in "bright condition"
> >>>when the lower half is in "dark condition" -- what comes first and
> >>>where this "break" is, depends. Also varying is the position
> >>>of this "break" on the screen.
> >>>       
> >>That is a missing vertical synchronization - what -vo are you using? 
> >>On
> >>what video card and which drivers? Usually on dualhead the vsync is
> >>hard to get..
> >>     
> >   Oh, oh...some mails ago I got a hint to disable all VSYNCs in the
> >   nvidia settings...
> >
> >   So...using -vo xv gives me the fastest (read: normal speed) video
> >   with audio and video in sync.
> >   Other drivers result in the message that my two core 3800+ AMD
> >   CPU is to slow....(?)
> >   My graühics card is ai
> >   nVidia Corporation G73 [GeForce 7600 GT] (rev a2) which run with
> >   the current nvidia drivers on a Linux box.
> >   I myself and my computer each uses only one head ;)
> >   Most of the time I use my own... ;) ;)
> >   I disabled AutoTwinDevice in the Xorg.conf as I did with
> >   TwindDevice (dont remember the correct names of that parameters, 
> >but
> >   was something like that.).
> >
> >   Since 60Hz is common for LCD I am asking myself, whether I am the
> >   only one having problems with playing 25Hz/region 2 contents...?!
> >
> >   Since it also happens for example with the fight scene Neo<->Agent
> >   Smith in Matrix Revolutions (DVD, region 2) I think, it is not
> >   a bug in the video itsself....
> >
> >   I am a little (read: very) frustrated, since this monitor is new
> >   and I like its colors and features, but...
> >
> >   So any help to circumvent this problem is *very* appreciated! :O)
> >
> >   Have a flicker-free evening! :O))
> >   Best regards,
> >   mcc

>There isn't really flicker - thi is the way I watch movies all the 
>time on TV (Plasma and LCD) and monitor. Motion can sometimes be 
>slightly jerky (very slight). This is why they come out with 120Hz 
>(and even 240 I have seen). You shouldn't see any 'distortion)', only 
>slight temporal inconsistencies.

Ah, THAT is the solution I needed to achieve! There /is no/ flicker!
All what I see is...the Matrix ("There is no spoon...") ???

> 
> -- 
> /re
> 
> A foolish consistency is the hobgoblin of little minds.
> 
> Ralph Waldo Emerson
> 
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