[MEncoder-users] mencoder/mplayer, -ss and DVDs

Nico Sabbi nsabbi at tiscali.it
Tue Apr 5 23:36:39 CEST 2005

Jason Bodnar wrote:

>I'm trying to use mencoder to rip and encode a segment from a single chapter
>of a DVD. My command looks like:
>mencoder dvd://1 -chapter 7-7 -oac copy -ovc lavc -lavcopts
>vcodec=mpeg2video:vbitrate=1000 -vf scale=720:480 -ofps 24000/1001 -ss 43
>-endpos 129 -o grosse_pointe_blank-720x480-1.0Mbps-mpeg2.avi
>but it seems to ignore -ss. -endpos works fine though.
>Is this not possible? Do I need to rip and encode the segment from the
>beginning of the chapter and then re-encode it (using -ovc copy) with -ss 43?
>Will that work?

sooner or later  we'll have to  make it clear in a FAQ: at the moment 
seeking in mpeg
streams is not  reliable, so you had better use -sb with a search&refine 
series of attempts.

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