[MPlayer-users] [newbie] pbs with autoaspect lavcopts option and matrox framebuffer

[Nico Sabbi]

Philippe Monroux wrote:

>Hello
>
>I've coded  a dvd  with mencoder with  autoaspect (see below  (**) the
>whole command) and I have 2 questions :
>
>1) With matrox g 400 frame buffer I can only see my video with -x <>
>and -y <> option. For example I use the command :
>mplayer  -vo mga -x  640 -y  360 film.avi  Without -x  -y I  can't see
>anything (I have only the sound).
>
>2) Some body told  me that film ripped with  autoaspect option are not
>visible with divx Xvid compatible lounge dvd reader. Is it true ?
>
>  
>

most standalone divx players don't understand (often they don't show 
anything) mpeg4 video
with custom aspect ratios in the video stream (as lavc and xvid can do);
mine understands a limited subset of odml aspect ratios, that you can 
store in avi
using  -force-avi-aspect x/y


>(**) nice -+19 cat /film/*vob |  nice -+19 mencoder -aid 129 -oac copy
>-ovc                           lavc                          -lavcopts
>vcodec=mpeg4:vbitrate=871:v4mv:mbd=2:trell:autoaspect:vpass=1        -o
>/dev/null - && nice -+19 cat  /film/*vob | nice -+19 mencoder -aid 129
>-oac           copy            -ovc           lavc           -lavcopts
>vcodec=mpeg4:vbitrate=871:v4mv:mbd=2:trell:autoaspect:vpass=1        -o
>film.avi -
>
>Regards
>
>  
>