[MPlayer-users] [BUG] ratecontrol.c:693: ff_rate_estimate_qscale: Assertion `pict_type == rce->new_pict_type' failed.

[Michael Niedermayer]

Hi

On Mon, May 22, 2006 at 02:07:25PM -0700, Corey Hickey wrote:
> vitko wrote:
> >>It could be a bug, but I would just advise you to set vb_strategy to
> >>whatever you want on 1st pass, and not set it in second pass.
> >
> >You are right and I haven't done my homework right, man mencoder says
> >
> >...
> >vb_strategy=<0-2> (pass one only)
> >                   ^^^^^^^^^^^^^
> >...
> >
> >Maybe it should say "never ever use vb_strategy in pass 2"?
> 
> I was thinking a while ago that it would be better to simply ignore 
> vb_strategy on later passes (and maybe print a warning). I'll propose 
> that on ffmpeg-devel once CVS or SVN is working again.

not needed, just commit the change directly (after confirming that cvs ahm svn
is actually still affected)


[...]
> Also, if you want to try something else, tell me whether you like this 
> option.
> vrc_eq=(tex+10^8*mcVar)^0.6
> 
> You may have to put quotes around it so your shell doesn't try to 
> interpret the parentheses.
> 
> Use it in both passes. You should see a large improvement in visual 
> quality in high-motion scenes without a significant decrease in quality 
> in low-motion scenes.

btw, something else which seems noone knows about (and i forgot) is
-lavcopts aic (does enable ac prediction in intra MBs of mpeg4 ...)

[...]
-- 
Michael

In the past you could go to a library and read, borrow or copy any book
Today you'd get arrested for mere telling someone where the library is