[MEncoder-users] mplayer / mencoder: precision of -ss

[Vladimir Mosgalin]

Hi Reza Roboubi!

 On 2006.04.04 at 16:05:27 -0700, Reza Roboubi wrote next:

> When I use the mplayer "pause" key, it stops exactly where
> I want it; bang-on.  Then I record the number of seconds that
> it has printed.  Then I use something like
> 
> mencoder -ss 30.0 -endpos 10 -ovc copy -oac copy -o segment.dump stream.dump
> 
> When I play back the stream, it's not exactly what I wanted.  In fact it 
> seems
> a good number of seconds (maybe 6) off.
> 
> How do you correct that?

You can't do it this way. Either re-encode and use edls and -hr-edl-seek
(but the quality will be worse) or use avidemux and its "smart copy
mode".

-- 

Vladimir