interlaced video question for you XV experts

[Billy Biggs]

Benjamin Herrenschmidt (benh at kernel.crashing.org):

> Well, the second one beeing vertically "above" the first one with the
> funny half scanline thing, you end up wanting the image to contain the
> second field first (on top) ... well, that's how we did back then at
> least.

  First and second doesn't matter.  The sequence in time:

    At Bb Ct Db Et Fb Gt Hb It Jb Kt

  can be put into frames as:

   [At Bb] [Ct Db] [Et Fb] [Gt Hb] [It Jb]

  or

    At] [Bb Ct] [Db Et] [Fb Gt] [Hb It] [Jb

  -Billy