[MEncoder-users] Framerate advice

[Grozdan]

On Tue, Mar 22, 2011 at 5:25 PM,  <larrystotler at netscape.net> wrote:
>
> -----Original Message-----
>
> From: Carl Eugen Hoyos <cehoyos at ag.or.at>
>
> >From your answer, I assume you do not know the pullup filter.
>>Please test it with above command line on various telecined material, I believe
>>it will answer many of your questions.
>>(While de-interlacing always invents pictures that were not there before, the
>>pullup filter should be able to output the original 24fps video, even for most
>>badly cut source material.)
>
> No I didn't.  I read about it and see the usage now.  However, still have some questions:
>
> 1.  the man pages said not to crop while using pullup.  How would I crop?  I've tried to go back and crop already encoded material, but it doesn't see to work.

use mplayer -vf cropdetect and let it run for a while. Get the values
and supply them to the crop filter, which you place *after* pullup, eg
-vf pullup,crop ....

>
> 2.  The movie Blue Streak has a framerate switch at 4650.4 & 4650.8 seconds(to 30, back to 24).  It happens at an explosion in the movie.  How do I account for that?  Is this what pullup is for?

Yes

>
> I don't really plan to go back and redo everything I already have unless it's a really big change.  I use 2 pass XviD with 1
>
> Thanx
>
>
>
>
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