[MPlayer-dev-eng] [PATCH] be CCIR-601ish about "-vf expand"

Billy Biggs vektor at dumbterm.net
Fri Jun 20 02:12:36 CEST 2003


Arpi (arpi at thot.banki.hu):

> Hi,
> 
> > The norm CCIR-601 defines Y=0x10 as black level, not 0x00. Currently
> > MPlayer will create a spurious difference between the black bars already
> > there on the DVD and those added by MPlayer's "-vf expand".
> 
> make this "feature" optional!!
> doing so by default (and un-disableable) is unacceptable...
> not everyone wants the border Y to be 16 instead of 0
> note that ccir-601 is only one of the many standars exists and being used

  Bah, the only broken standard that defines Y' from 0-255 is JPEG.  Every
other sane Y'CbCr standard uses Y' from 16-235.

  -Billy



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