[MEncoder-users] Pb in encoding in x264

[Guillaume POIRIER]

Hi,

On 8/17/05, Anthony Jacob <anthonyjacob at wanadoo.fr> wrote:
> Guillaume POIRIER wrote:
[..]

> >> ODML: vprp aspect is 16384:6655. Trem:   0min   0mb  A-V:0.000
> >> [0:0] ODML: vprp aspect is 16384:6655. Trem:   0min   0mb A-V:0.000
> >>  [0:0] encodtroy.sh: line 4: 30642 Erreur de segmentation mencoder
> >>  vob/TROY.vob -endpos 600 -mc 0 -nosound -noskip -skiplimit 0 -vf
> >> crop=720:416:0:80,scale=640:256,hqdn3d=2:1:2 -ovc x264 -x264encopts
> >>
> >>
> >>
> >> subq=6:4x4mv:8x8dct:me=3:frameref=5:bframes=3:b_pyramid:weight_b:bitrate=500:pass=2
> >>  -o video/x264.avi
> >
> > mencoder crashed (that should not happen of course). Check your RAM
> > to see if it's okay (with memtest86 or smth like that, check also if
> > your cpu is not overclocked. Make sure also that all the libs used by
> > mencoder are compiled with the same version of GCC (typically,
> > libx264 compiled with gcc4 and mencoder with gcc3.4 will crash
> > randomly).
> 
> In fact I've ever successed to encode the DVD with Tuxrip but the
> quality was very very bad in a 700M file. You would rip DVD like some
> movies I could see recently in H264 or x264
> But to have the support of x264 I had to use an unofficial ebuild which
> patchs MPlayer, so I think that the matter can come from here. But I've
> the same error with the command :
> ----------------------------------------------------------------------
>   mencoder vob/TROY.vob -endpos 600 -nosound -vf
> crop=720:416:0:80,scale=640:256,hqdn3d=2:1:2 -ovc lavc -lavcopts
> vcodec=mpeg4:mbd=2:mv0:trell:v4mv:cbp:last_pred=3:predia=2:dia=2:vmax_b_frames=2:vb_strategy=1:precmp=2:cmp=2:subcmp=2:preme=2:vme=5:naq:qns=2:vbitrate=500:vpass=1
> -o /dev/null &&
> mencoder vob/TROY.vob -endpos 600 -nosound -vf
> crop=720:416:0:80,scale=640:256,hqdn3d=2:1:2 -ovc lavc -lavcopts
> vcodec=mpeg4:mbd=2:mv0:trell:v4mv:cbp:last_pred=3:predia=2:dia=2:vmax_b_frames=2:vb_strategy=1:precmp=2:cmp=2:subcmp=2:preme=2:vme=5:naq:qns=2:vbitrate=500:vpass=2
> -o video/lavc.avi

We only support MPlayer CVS, sorry. :-(


> ----------------------------------------------------------------------
> 
> I don't think that comes from RAM because I could encode although Tuxrip
> two days ago.

> > Otherwise, please post the exact message that got printed on screen
> > (here your encode seems to run with lots of the console informations
> >  redirected to /dev/null).
> 
> I would do this but I don't see where messages are redirected to
> /dev/null. Should I add "| tee out.txt" at end of command ?

Tuxrip has an option to display all the error messages. Please have a
look at tuxrip's doc.


> Thx to reply and nice work for your suggests about comparaison of
> quality between free codecs !

NP :)

Guillaume
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