Green and Purple Horizontal line on top of video ...

For some reason I'm getting a flickering green and purplish line on the top one or two pixels of every video I encode to H.264 through Compressor. I've heard the "even number theory" and its not working. Even heard the "divisible by 16 theory". NOT WORKING. So ... any have a real solution here? Thanks!

here is the theory:
It's not really an aspect ratio problem, it's a dimension problem when encoding to h.264. I just posted this in another thread a few minutes ago.
"Divide the height and width of the video by 16. If you get an uneven number your more than likely will get a green line when encoding to h.264. H.264 encodes in blocks of 16 pixels. For example: 720x405...
720=45
405=25.3125
When I a get a video with a dimension of 720x405, common dimensions for a dvd 16x9 square pixels video. I'll trim off 5 pixels and set the height size to 400.
Also if you encode sizes by 16, you'll get a better encoding."
http://discussions.apple.com/thread.jspa?threadID=2103102&tstart=0 "

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