[MPlayer-dev-eng] Re: [PATCH] PowerPC ffmpeg fixes

Michael Niedermayer michaelni at gmx.at
Mon May 12 23:31:13 CEST 2003


On Monday 12 May 2003 18:45, Daniel Egger wrote:
> Am Mon, 2003-05-12 um 16.09 schrieb gabucino at mplayerhq.hu:
> > So 3.0, 3.1, and 3.2 are known to be broken (on various architectures).
> > Cool :)
> There's no known defect in gcc 3.2.3 regarding AltiVec. Unfortunately
hmm, i dunno, i know that there was a bug in some gcc version with altivec and 
the libmpeg2 altivec IDCT, IIRC this got worked around in libmpeg2 but not in 
ffmpeg as the one who ported the IDCT from libmpeg2 couldnt reproduce it,i 
dunno if this is related though ...


screen[y][x] ^= cursor[cy][cx];			(violates patent #4,197,590)
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

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