[MPlayer-users] Outputting SVCD-compliant MPEG 2

[Kyrre Ness Sjobak]

fre, 18.11.2005 kl. 20.34 skrev Giacomo Comes:
> On Fri, Nov 18, 2005 at 06:55:26PM +0000, Tony Houghton wrote:
> > In <437E0421.3030102 at email.it>, Nico Sabbi wrote:
> > 
> > > the default format in mpegopts is mpeg2; if you don't override it with 
> > > format=mpeg1
> > > the output won't be in mpeg1.
> > 
> > At least two different tools complained/claimed that it was MPEG1.
> > 
> > > For svcd you should use format=xsvcd. Why don't you post the command 
> > > line you used?
> > 
> > mencoder -o lemony_snicket.mpg -mpegopts format=svcd -oac lavc -ovc lavc \
> > -lavcopts
> > acodec=mp2:abitrate=128:vcodec=mpeg2video:vbitrate=808:keyint=15:vrc_buf_size=917:vrc_maxrate=2500:vpass=2 \
> > -of mpeg -vf scale=480:432,expand=480:576,harddup Lemony_Snicket.avi \
> > -speed 25025/24000 -af resample=44100 -srate 44100
> > 
> > I also ran with vpass=1 first. And I used KVCD matrices which I haven't
> > posted here to save space.
> 
> You used -mpegopts format=svcd that is WRONG. Apparently the muxer 
> didn't recognize the option and default format to xvcd or mpeg1
> Use the correct argument for format.
> 
> Giacomo
> 
If it's wrong, why does mencoder allow it to pass, producing a garbled
output - instead of saying something like "illegal expression:
"format=svcd" - no such format - aviable formats: jkljtlkej jtlektjlre
ioptitop" ?