[MPlayer-users] problems with NTSC

Arpi arpi at thot.banki.hu
Fri Nov 1 15:05:02 CET 2002


Hi,

don't use -pass with lavc, use -lavcopts vpass= instead
-pass is for divx4 codec


> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> Hi,
> 
> So the movie is here. I did:
> 
> cat *.vob | nice -n 19 mencoder -oac mp3lame -lameopts cbr:br=128:aq=2 
> -ovc frameno -ofps $FPS -o fr
> ameno.avi -
> cat *.vob | nice -n 19 mencoder -oac copy -ovc lavc -lavcopts 
> vcodec=mpeg4:vbitrate=$BR:vhq:vqmin=2:
> vqmax=15:keyint=250 -ofps $FPS -vop scale=640:360,crop=698:476:12:2 -sws 
> 2 -pass 1 -o movie.avi -
> cat *.vob | nice -n 19 mencoder -oac copy -ovc lavc -lavcopts 
> vcodec=mpeg4:vbitrate=$BR:vhq:vqmin=2:
> vqmax=15:keyint=250 -ofps $FPS -vop scale=640:360,crop=698:476:12:2 -sws 
> 2 -pass 2 -o movie.avi -
> 
> I got a good movie, with no sync problems, but the movie is twice as big 
> as I calculated! I had it also when using 29.xx fps! (but with 24.xxx I 
> saw much less spam like this:  duplicate 1 frame(s)!!! Pos:2005.6s  
> 48068f (97%)  11fps Trem:   1min 1338mb  A-V:0.000 [5335:128])
> 
> My calculations:
> 
> A = 120kbps*60sec*55min =48MB
> V = 1700kbps*60sec*55min=633MB
> 
> together they should not be 1.4 GB!!! And yes, mplayer says over the 
> encoded movie:
> 
> VIDEO:  [DIVX]  640x360  24bpp  23.98 fps  5269.0 kbps (643.2 kbyte/s).
> 
> WHY??? What am I doing wrong? Please...
> 
> bye
> DS
> 
> D Richard Felker III wrote:
> 
> >By warn, I mean all the duplicate/skipped frame messages that spam
> >your console. You should get very few (or better yet none) of those of
> >your -ofps is right.
> >
> 
> _______________________________________________
> RTFM!!!  http://www.MPlayerHQ.hu/DOCS
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> 
> 


A'rpi / Astral & ESP-team

--
Developer of MPlayer, the Movie Player for Linux - http://www.MPlayerHQ.hu




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