[MEncoder-users] Audio sync problem

[Reimar Döffinger]

On Fri, Sep 11, 2009 at 09:25:30AM +0100, Owen Williams wrote:
> On Fri, 2009-09-11 at 09:16 +0100, Owen Williams wrote:
> > 
> > The -vf yadif,expand=::0:0::4/3,scale=640:480,harddup", magic worked
> > too.  I'm not sure if it the expected behavior but 16/9 frames were
> > rendered at the top of the 4/3 frame.
> 
> 
> My mistake = :0:0: would put the image at the top.  That's why the
> expand=aspect=4/3 is better.

It is more readable IMO, but you can get the same with the other syntax
(I actually misread the first time),
expand=aspect=4/3 should be equivalent to expand=:::::4/3