D'oh... of course once I got to thinking after sending
that, I thought of a few things that might answer my
question. Like that NTSC TV has 525 scan lines, but at
least 20 (probably 25) of those at the top don't
display any picture information. If you figure 20 of
the bottom ones don't display picture information
either, bingo: 480 height.

And while the horizontal resolution of TV was always a
little fuzzy (no pun intended), it was generally
accepted to be around 700 or 720 vertical 'lines'.

720x480... the displayable area of NTSC video. >.<

What I also neglected to mention is that mplayer cuts
off the right side of my test AVI only when using
fullscreen (-fs) mode. If I omit the -fs switch, the
video plays centered (more or less) with black bars
around it, being originally 512x384. If I use the -xy
640 switch, it expands out to fill the screen,
although probably it falls short of the edges just a
little bit (but takes up the full 480 height). If I
use both -xy and -fs, it goes back to the cut-off
fullscreen shennanigans.

Does that help any toward a solution? Or is using -xy
and -geometry to shift the picture an accepted way of
doing things?

James

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