[MPlayer-dev-eng] New inverse-telecine filter

Billy Biggs vektor at dumbterm.net
Thu Dec 4 18:49:23 CET 2003

Zoltan Hidvegi (mplayer at hzoli.2y.net):

> The problem is that no TV can can properly support NTSC -> YV12
> conversion, because such a conversion would have to know if a frame is
> progressive or interlaced.  For a progressive frame, a simple scaling
> of the chroma plane works, but for interlaced, you have to do
> interlaced scaling.

  This makes no sense.  From television input, the only sane output is
interlaced YV12.

> The bug is really in mplayer not supporting 411 TV capture (or 422,
> but NTSC is really just 411).

  Why do you say that NTSC is just 4:1:1 ?

> I guess you can do uyvy or yuy2 (what is yuy2, I always confuse this
> stuff), but I did not have much luck with that, since it's packed.

  yuy2 and uyvy are packed 4:2:2 formats.


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