[XviD-devel] multithreading

Radek Czyz radoslaw at syskin.cjb.net
Fri Jun 26 10:29:04 CEST 2009


Lars Täuber wrote:
> Jason Garrett-Glaser <darkshikari at gmail.com> schrieb:
>>> For me x264 is no alternative. Because it has to much bells and whistles from the point of users view. It is to complex. Too much knobs to rotate.
>> Then don't rotate the knobs.
> 
> It's also a matter of knowing what I do.
> 
> Do you know of a documentation of encoding with the »highest justifiable« quality? With xvid I use:
> I-frame quantizer of 3
> P-frame quantizer of 4-8 (depending on the source video resolution)
> B-frame quantizer of 6-13 (same reason)
> I-frame interval of 250 max
> max 3 consecutive B-frames
> 
> I don't know how to translate the Xvid quantizers to the x264 quantizers.
> But this should be questions to an x264 wiki for sure.

I think it's fair to say that even complete x264 defaults with crf=20 
will give you better quality as well as faster encoding than your 
currently "tuned" xvid settings.

Also, I hope you now appreciate how important it is that xvid keeps its 
API compatibility - there's a lot of people like you who would refuse to 
relearn things from scratch just because some developer had some crazy 
idea and broke things that worked.

Radek

> 
> regards
> Lars
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