[MEncoder-users] Why does FFMPEG encode without sync problem but Mencoder cannot?

[vtff19 vtff19]

First thnak you very much for your response but the problem remains.

My goal is.

Use the wonderful mencoder to generate an avi or mpeg from images.
The thing is i've only 20 images and i want a delay of 5 sec between each
image.

Why because till now i've suceed to produce a movie but it's length is about
a 1sec.

Thanks by advance for your help

2008/7/10 Reimar Döffinger <Reimar.Doeffinger at stud.uni-karlsruhe.de>:

> On Thu, Jul 10, 2008 at 12:55:23PM -0400, David Smith wrote:
> > THAT SAID, if I run mencoder with the -vf harddup switch my audio/video
> sync
> > are fine, but it takes much, much longer to encode (like 7x's as long),
> and
> > the file size is almost 2/3's larger.  I'm sure it's because it's
> encoding
> > the duplicate frames, but why would this be?
>
> Because wmv is variable framerate, so MPlayer will treat it as 1000fps.
> Use harddup _and_ specify the desired frame rate with -ofps.
> If you want a variable frame-rate flv, your only option is to use FFmpeg
> though.
>
> > How come FFMPEG
> > can sync without a harddup type option?
>
> Because FFmpeg always uses "harddup".
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