[MPlayer-dev-eng] [PATCH] AltiVec support in postproc/ + altivec optimizations for yuv2yuvX
michaelni at gmx.at
Thu Mar 11 18:58:39 CET 2004
On Thursday 11 March 2004 14:50, Romain Dolbeau wrote:
> Romain Dolbeau wrote:
> > Hello all,
> > The attached patch and additional files add
> > 1) AltiVec flags & tests in "postproc/" and "vf_scale.c"
> > 2) an AltiVec-enhanced yuv2yuvX
> > The last one may be suboptimal (it certainly eats
> > quite an amount of memory), but it's roughly 6x-7x
> > faster than the C code. mencoder display significant
> > speed gain on some operations, such as transcoding
> > some codecs to svcd.
> Forgot to mention : this version doesn't make any assumption,
> it checks for data alignement and do the head&tail with C code.
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
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