AW: [MPlayer-users] stairstepping in my picture but only with dvds?!?

justin case justin_case at
Thu Apr 17 02:54:18 CEST 2003

> > i get heavy sairstepping in diagonals using -vo vesa:vidix (ati
> > rage3d/mach64 driver) when playing dvds.
> > i am forced to use vesa and a resolution of 640x480 due to my tv-input
> > (vga).
> > playing xvid works fine. my xvid rips mostly come with a 640 resolution
> > anyway, so i guess the effect is caused by the
> rescaling-process wich vesa
> > is capable of doing in hardware afaik.
> > i know this card under windows with dvds and the effect is not
> there at all,
> > so it can do better. but how?
> > i tried software-rescaling already and i ended up with right
> the same stairs
> > :(
> >
> > any ideas?
> Yes, the problem is that you cannot scale an interlaced movie, which
> your DVDs happen to be. Set your video mode to 640x480 to avoid having
> to rescale. Note that unless you're sending the picture to tv-out,
> you'll also need to deinterlace (-vf pp={md|fd|ci|li|lb|l5}, pick one)
> or it will look bad on your monitor.

hi rich,

my dvd is progressive. also dvds come in 720xXXX. i fthey came in 640xXXX
i'd be happy of without rescaling as i am with my xvid-rips.

there must be another explanation..


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