[MEncoder-users] filter order

[Sebastian Kemper]

Am Mittwoch, den 14.01.2009, 20:19 -0800 schrieb RC:
> The HTML docs are strewn with bad bits of advice.
> 

That's of course debatable :)

> 
> It's not a significant issue, either way.  If you crop before
> deinterlacing, the performance will be a bit better, and you'll avoid
> the deinterlacer having to handle edge noise (most don't have any
> issues). However, then you must restrict crop to multiples of 4 (rather
> than 2), or else you'll get chroma mismatch.
> 

It's also mentioned in the footnotes:
http://www.mplayerhq.hu/DOCS/HTML-single/en/MPlayer.html#menc-feat-telecine-footnotes

Quote: "All this confusion makes it necessary to have vertical crop
dimensions and offsets be multiples of four. Horizontal can stay even."