[MPlayer-dev-eng] [RFC] Known regressions

Reimar Döffinger Reimar.Doeffinger at stud.uni-karlsruhe.de
Sat Sep 2 19:47:41 CEST 2006


Hello,
On Sat, Sep 02, 2006 at 12:55:29PM -0400, Rich Felker wrote:
> On Sat, Sep 02, 2006 at 09:37:25AM -0700, Corey Hickey wrote:
> > > - [pre8 and SVN] the infamous "2pass curve failed to converge" problem
> > >   since ffmpeg r5422.
> > 
> > Yeah. That's been bothering me for a while. I'm going to verify the
> > problem is still reproducible and then ask on ffmpeg-devel if reverting
> > r5422 is at all acceptable.
> 
> It's not; the old code was just wrong. If you want to "revert" then
> make an explicit option to ignore the convergence failure since thats
> what the buggy old code essentially did. However I'm told that the
> problem only happens when you erroneously specify a bitrate that
> cannot be met given the qmin/etc. params.

Well, but when it aborts an encode because of that it's not great
either. Maybe it can be made a non-fatal warning? And maybe also with a
more helpful message.
What I want to say with that, I think something should be done about it
nevertheless.

Greetings,
Reimar Döffinger



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