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

[andrew at WARnux.com]

Krzysztof Duchnowski wrote:
> andrew at WARnux.com:
>> 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.
>
Yes, CRF mode.  Was this a change in x264 or a change in mencoder?  
Anyone know what r number?