[Ffmpeg-devel] [PATCH] idct8 in Altivec for H.264 decoding

Guillaume POIRIER poirierg
Fri Dec 1 11:06:00 CET 2006


On 11/30/06, Guillaume POIRIER <poirierg at gmail.com> wrote:
> Hi,
> On 11/19/06, Guillaume POIRIER <poirierg at gmail.com> wrote:
> > Hi,
> >
> > On 10/9/06, Guillaume Poirier <gpoirier at mplayerhq.hu> wrote:
> > Done.
> >
> > Now I need to work on the rest :-)
> Please find in attachment h264_idct8_add in Altivec.
> It's the same as before, just without the macros that I haven't had
> time to optimize (to take advantage of some mem alignment when doing
> I think this patch is pretty clean in its current form, and it works,
> and passes regression tests.
> I'd like to apply it soon, it's been delayed for too long already (the
> first patch was posted in October 8), even if it's not perfect.

last call before I apply it.
Note that it may break with gcc3.x: ffmpeg can't compile currently
with gcc 3.3 on PPC, so I don't know if this routine compiles with it
or not. Probably not.

An association of men who will not quarrel with one another is a thing
which has never yet existed, from the greatest confederacy of nations
down to a town meeting or a vestry.
 -- Thomas Jefferson
(when interviewed about MPlayer ML flamewars)

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