[MPlayer-users] dvd - mplayer plays fine but mencoder creates choppy video

Corey Hickey bugfood-ml at fatooh.org
Mon Mar 17 22:58:59 CET 2003

Washington Carvalho Jr wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> Hi, I wonder if someone can help me. I've been trying to correct this
> problem for over a week....
> I finally got a dvd-drive and it works fine with mplayer. Video quality
> is great (specially with all great pp options, etc...):
> mplayer -dvd 1  --> works fine
> But when I try to encode with mencoder, I get choppy video, regardless
> of the codec used (I tried copy, lavc with mpeg4....). Even this doesn't
> work:
> mencoder -dvd 1 -oac copy -ovc copy
> mplayer test.avi --> I get choppy video 
> First I tought it could be related to the dvd-drive, but I made an image
> of the dvd:
> cp /dev/hdc /somewhere/image
> If I play from the hard-drive it works fine, just like when I play from
> the drive:
> mplayer -dvd 1 -dvd-device /somewhere/image -->ok
> But even if I just try to copy the stream I get choppy video again.
> mencoder -dvd 1 -dvd-device /somewhere/image -ovc copy -oac copy
> -->choppy
> I use  MPlayer v0.90rc4 (compiled from source) on an athlon 1.2GHz with
> 256MB ddr (sounds fast enough, I think).
> This problem seems to occur only when the mencoder input is a dvd, since
> I've been converting (recoding) some old video files (even mpeg) to divx
> using lavc with good results.I also never have problems playing divx
> files with mplayer(even very large vbitrates)
> Thanks a lot
> Washington 

You need to add -ofps 23.976 to your command line. You'll be quite happy
with the results then. :)


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