[MPlayer-users] Jerky video encoding when using deinterlacers

[Mark Williams (MWP)]

> > > On Thu, May 19, 2005 at 01:35:36AM +0930, Mark Williams (MWP) wrote:
> > > > Greetings all,
> > > > 
> > > > I have a rather odd problem.
> > > > 
> > > > The video i am trying to encode is 1440x1088 interlaced at 25fps.
> > > > Its a HDTV recording.
> > > > 
> > > > If i encode with just the VF options of "crop=1424:1072:8:6,scale=1024:576" i
> > > > get smoothly encoded video (ignoring the interlacing).
> > > 
> > > Crop offset (vertical) MUST ALWAYS BE A MULTIPLE OF 4 FOR INTERLACED
> > > VIDEO!
> > > This is in the documentation.
> > 
> > Ok, thanks.
> > 
> > Those crop numbers came from cropdetect, so i assumed they would be ok.
> > 
> > I dont think this will make a difference though as i was putting the
> > deinterlacers before the crop & scale to make sure it wasnt an effect of them on
> > the deinterlacer.
> > 
> > Ill change the crop values and report back.
> 
> It did not make a difference.
> 
> Infact just using "-vf pp=md" and no other VF filters (no crop or resize) still causes the jerky
> motion every second.
> 
> Any other ideas?

More information....

Every deinterlacer except "pp=lb" creates the jerky motion, even "kerndeint".

Help!

Thanks.