Re: [MPlayer-users] Cropping+scaling=segfault

[Felix Buenemann <atmosfear@xxxxxxxxxxxxxxxxxxxxx>]

On Wednesday 17 April 2002 01:38, Ralph Slooten wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> Great, it works ;-) Thank you guys!
>
> As a matter of interest, would these crop and scale values always apply
> (considering one does not want to scale down a movie size) with all 16:9
> (2.35:1) DVD's, and are most DVD's in this format (referring to films, not
> documentaries or perviews)?
Most today's DVDs are anamorphic 16:9 carrying 2.35:1 video, but not all. Also 
the correct cropping values may differ a bit from movie to movie, so it's 
best to checkout both cropping and scaling using mplayer with same -vop 
commandline and adding -x <scalew> -y <scaleh> and your favourite video out. 
To verify the aspect you should take a look at some circular objects and see 
if they're really circular or more egg-like. In this case correct the 
vertical scaling until the object become circular in a stepsize of 16pixels.
>
> Greetings
> Ralph

-- 
Best Regards,
        Atmos
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