[MEncoder-users] [BUG] mencoder fails to encode VOB file

[Guillaume POIRIER]

Hi,

On 12/30/05, Jeff Clagg <snacky at ikaruga.co.uk> wrote:
> On Fri, Dec 30, 2005 at 08:26:38AM -0800, jay sig wrote:
> > Hello,
> >
> > When mencoder is invoked as follows it fails to encode
> > the VOB file.
> >
> >   for VPASS in 1 2; do
> >     mencoder -ss 0:05:27.3 -endpos 0:0:0.53 \
> >     -oac lavc -ovc lavc -vf crop=720:416:0:80 \
> >     -lavcopts \
> >     vpass=$VPASS:vmax_b_frames=2:vb_strategy=1\
> >     /cdrom/VIDEO_TS/VTS_01_1.VOB -o out.avi; \
> >   done
>
> Before anyone complains that he didn't use official CVS (which I agree
> he should have tried first), I can confirm that this fails using
> yesterday's cvs with the same error.
>
> [mpeg4 @ 0x874d0d0]warning, too many b frames in a row  A-V:0.005 [0:0]
> mencoder: ratecontrol.c:672: ff_rate_estimate_qscale: Assertion
> `pict_type == rce->new_pict_type' failed.
> Aborted

That's because vb_strategy is not to be used in any other pass than
the first one.
The man page says it already. :)

Guillaume
--
Life is pleasant. Death is peaceful. It's the transition that's troublesome.
    Isaac Asimov (1920 - 1992)

MPlayer's doc is offline. Find some fresh one here:
http://tuxrip.free.fr//MPlayer-DOCS-HTML/en/
http://tuxrip.free.fr//MPlayer-DOCS-HTML/fr/