[MPlayer-dev-eng] Bug in scaling (maybe in swscale.c?)

[Michael Niedermayer]

Hi

On Tuesday 27 July 2004 15:47, Goran Kataviæ wrote:
> Hi!
>
> I noticed strange bug in every video I've made when ripping DVD,
> because of -vf scale=x:y
>
> There is example in
>
> http://elc.info/mpsample/
>
> (here is video 1 second length - input.mpg - not from DVD)
>
> I played it with gmplayer input.mpg -loop 0
>
> When i use mencoder-1.0-pre5 (linux & windows version):
>
> mencoder -oac copy -ovc lavc -vf scale=640:480 -o output-pre5.avi input.mpg
>
> This is OK, but:
>
> mencoder -oac copy -ovc lavc -vf scale=200:100 -force-avi-aspect
> 1.333333333 -o output-pre5-scale.avi input.mpg
>
> Last 6 lines of video are broken.
fixed

[...]
-- 
Michael
level[i]= get_vlc(); i+=get_vlc();		(violates patent EP0266049)
median(mv[y-1][x], mv[y][x-1], mv[y+1][x+1]);	(violates patent #5,905,535)
buf[i]= qp - buf[i-1];				(violates patent #?)
for more examples, see http://mplayerhq.hu/~michael/patent.html
stop it, see http://petition.eurolinux.org & http://petition.ffii.org/eubsa/en