[MPlayer-dev-eng] altivec: green blur with mpeg4

[Michael Niedermayer]

Hi

On Monday 02 August 2004 14:17, Guido Guenther wrote:
> Hi,
> Since at least pre2 I'm seeing a greenish blur (especially in regions
> with significant changes in hue) which increases over time and then goes
> away for a short time with each new "full" frame when watching mpeg4.
> It only happens with the altivec optmized version, without that it's
> fine.  I've attached some info, please let me know if you need more
> information.
> Can I selectively disable/enable the different _altivec.c parts in
> libavcodec/ppc to spot the exact .c file that has the bug?
sure, but first try if '-lavdopts idct=2' helps

[...]
-- 
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