[MPlayer-users] Poor A/V with various deinterlace filters on interlaced but not telecined content

Reimar Döffinger Reimar.Doeffinger at gmx.de
Tue Feb 23 07:32:22 CET 2010

On Mon, Feb 22, 2010 at 09:34:27PM -0500, Adam Rosi-Kessel wrote:
> Reimar Döffinger wrote, on 2/21/2010 3:39 AM:
> >>Sorry, I misunderstood the question. If I leave out -vf yadif or
> >>pp=lb, the resulting file plays fine for A/V sync. The A/V sync
> >>issue is only introduced when I add in a deinterlacing filter.
> >So is this correct, all of these behave badly:
> >-vf pp=lb,softskip,harddup
> >-vf pp=lb,harddup
> >-vf pp=lb,softskip
> >-vf pp=lb
> >-vf softskip,pp=lb,harddup
> >
> >All of these work fine:
> >-vf softskip,harddup
> >-vf harddup
> >-vf softskip
> >(no -vf option)
> Actually, I think I found my problem: I was viewing the AVI while it
> was still encoding, and the A/V sync was very bad. (This was also
> true if I copied the partially-completed AVI to another computer for
> playing). But if I let it complete (approx. 30 hours) it is actually
> okay. I think it's still slightly off -- on the order of a constant
> 125ms -- but not way off in a non-constant amount. Perhaps it was
> the lack of completed AVI index that was the root cause?

Unlikely. More likely your CPU was busy encoding and didn't have enough
power left over to decode the video fast enough.

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