[MPlayer-users] Bug report (mencoder sig-faults)

[Mark Williams (MWP)]

> Mark Williams (MWP) wrote:
> > Hi yall ;)
> > 
> > Ive just tried encoding a movie using todays CVS (31/01/04) of mplayer and ffmpeg (for libavcodec).
> > First pass completes, but looks shocking (very boxy).
> 
> Are you cropping and scaling appropriately? From your "VOP=" below, I'm
> guessing not. Read DOCS/tech/encoding-tips.txt. The basic gist is that
> you need to crop out any black bars, _entirely_, and then scale the
> image so both axes are multiples of 16.

I am cropping/scaling... the settings are just not on those two lines i gave.

> > On trying to start the second pass, mencoder dies with a sig-fault.
> > 
> > Im using:
> > 
> > LAVC="vcodec=mpeg4:mbd=2:trell:mv0:cbp:naq:v4mv:vme=4:vrc_eq=tex:vmax_b_frames=1:vb_strategy=0:vstrict=-1:preme=2:dia=2:predia=2:vqcomp=0.8:lumi_mask=0.05:dark_mask=0.01"
> > VOP="hqdn3d,pp=dr/h1/v1"
> > 
> 
> Are you using the same lavc parameters for both passes?

Of course.

> If so, try using
> dd to extract the last 1MB or so from the video (use mplayer -dumpstream
> first if you're encoding a DVD). Try encoding that 1MB chunk and see if
> you get the same results. If so, read:
> http://www.mplayerhq.hu/DOCS/HTML/en/bugreports.html
> and submit a complete bugreport, including the upload of the 1MB chunk
> to the mplayerhq ftp server.

Ive done more testing.
It seems "naq" is to blame.... is it still experimental?

MWP.