[FFmpeg-devel] [PATCH] VC-1/WMV: vc1 overlap filter asm, MMX/SSE2

[Michael Niedermayer]

On Tue, Jun 16, 2009 at 04:11:19PM -0700, Jason Garrett-Glaser wrote:
> Since the patch uses 8x4/4x8 transpose macros, the macros are moved
> into x86util.asm for all of the asm files to use (so it doesn't have
> to be duplicated).  Since this requires %including x86util in the
> deblock code, I had to rename SBUTTERFLY to SBUTTERFLY2 to avoid
> namespace collisions.

renaming and moving should be seperate commits from functional changes
except that, if things are tested, all ok


> 
> x86_64 overlap_h code is not 100% guaranteed to work; it seems to be
> fine (it only differs in calling convention from x86_32), 

> but every
> x86_64 machine I've tested on gives a different md5sum on every run of
> ffmpeg regardless of whether it's patched or not (at least on my
> samples with overlap filter on).  This is likely a separate bug,
> probably related to the hordes of valgrind errors when decoding wmv3.

if the problem still exists ... kostya, wmv3 does not produce deterministic
output?

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Frequently ignored awnser#1 FFmpeg bugs should be sent to our bugtracker. User
questions about the command line tools should be sent to the ffmpeg-user ML.
And questions about how to use libav* should be sent to the libav-user ML.
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