[MEncoder-users] x264 encoding slower after updating libx264

[Reimar Döffinger]

On Mon, Nov 09, 2009 at 09:16:32AM +0100, belcampo wrote:
> Dâniel Fraga wrote:
> > On Sun, 8 Nov 2009 05:53:25 -0200
> > Dâniel Fraga <fragabr at gmail.com> wrote:
> > 
> >> 	Well, using turbo=1 option helped to stabilize fps.
> > 
> > 	It seems that between libx264.so.67 and libx264.so.78 something
> > has changed that dramatically impacted the encoding speed. Just 2
> > options:
> > 
> > 1) or this slower encoding results in better encoding
> > 
> > 	or
> > 
> > 2) there're something very bad optimized...
> > 
> Maybe OT, but I saw that memory-size
> a while running increased severly > 100%
> b files-size 15-20% increase
> 
> filed them as issue-1458 at ffmpeg-issue-tracker on 20091005

Not sure, but there are new features like mb-tree which might cause
this, I have no idea what is enabled by default.