[MPlayer-users] After updating - Faster encode, lower quality

[Krzysztof Duchnowski]

andrew at WARnux.com pisze:
> I've been using x264 to encode videos now for months.  Encoding a full
> length movie used to take about 11 hrs and the quality was splendid.  I
> built the latest mplayer/mencoder and x264 a few days ago and now my 
> encodes only take about 4 hours but the quality is degraded.  What 
> really confuses me is that I didn't change my command line parameters at 
> all.
> 
> How is this possible?

Did you used CRF mode?
If yes then for month now (or two) CRF mode not reflect QP anymore but 
instead it is a "Quality factor" and thus considerable good quality you 
could achieve is with CRF in 18-21 range.

-- 
Krzysztof 'DK75' Duchnowski
GetFirefox - http://www.mozilla.com/firefox/
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