[FFmpeg-devel] [PATCH] make fast option with h264 actually do something..

Michael Niedermayer michaelni
Tue Feb 19 21:22:31 CET 2008


On Tue, Feb 19, 2008 at 09:10:38PM +0100, Michael Niedermayer wrote:
> On Tue, Feb 19, 2008 at 01:26:24AM -0500, Rich Felker wrote:
> > Currently, the FAST flag for h264 only affects motion functions for
> > non-ref frames, making it mostly useless. This patch makes it affect
> > all motion compensation. Benchmarks on my K6, using mplayer
> > -benchmark:
> > 
> > Without fast: 17.6 sec
> > With current fast: 17.2 sec
> > With patch applied: 16.6 sec
> > 
> > I did not notice any visible corruption, but even if there is some,
> > that's the idea of the 'fast' flag...
> > 
> > Comments welcome.
> 
> patch ok

after some more carefull tests, i retract that approval, patch rejected,
it breaks decoding of BA1_FT_C.264 with very vissible artifacts.

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

If you really think that XML is the answer, then you definitly missunderstood
the question -- Attila Kinali
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