[FFmpeg-devel] pixel format convertion yuv422p->yuv420p->yuv411p->yuv422p degrade picture

Maksym Veremeyenko verem
Fri Jul 18 14:52:48 CEST 2008


Michael Niedermayer ???????(??):
> On Thu, Jul 17, 2008 at 02:18:01PM +0300, Maksym Veremeyenko wrote:
[...]
>> if i add option
>>     -sws_flags accurate_rnd
> 
> This is invalid, its
Sorry.


> -sws_flags +accurate_rnd
> 
> or
> -sws_flags accurate_rnd+bicubic

Tested both:

422->411 cyclic loop makes picture greener,
422->420 cyclic loop produce some artifacts.

Should i recompile with --disable-mmx --disable-mmx2 --disable-ssse3 and 
make tests agains?

-- 
________________________________________
Maksym Veremeyenko

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