El Sat, 26 Apr 2008 22:06:52 +0200
Florian Philipp <lists@(protected):

>
> mencoder -vf harddup -ovc copy -oac copy -of lavf -lavfopts format=mov
> -ss 1:30 -endpos 3:00 -o output.mov input.mov
>
> explanation:
[...]
> -ss 1:30 -> skip the first 1 min + 30 sec
> -endpos 3:00 -> end input at position 3:00 min of the original film
> -o output.mov -> write to output.mov
>
> This command should result in a file containing a total of
> 3:00-1:30=1:30 min of film [...]

i think this is not entirely correct. according to the manual,
"When used in conjunction with −ss option, −endpos time will shift
forward by seconds specified with −ss."

that means that if you want 90 seconds of film, you must use -endpos 90
or -endpos 1:30, independently from the time given in -ss. see the
example from the man page:

EXAMPLE:
−endpos 56
 Stop at 56 seconds.
−endpos 01:10:00
 Stop at 1 hour 10 minutes.
−ss 10 −endpos 56
 Stop at 1 minute 6 seconds.
 ^^^^^^^^^^^^^^^^^^^^^^^^^^

best,

lj
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gentoo-user@(protected)