What exaclty is the difference between grab display and overlay?
The reason I ask is that I need to write a program (or possibly reuse one)
that needs to display video and capture it to the hard disk at the same
time. It was my understanding (I am new to V4L so I'm probably wrong) that
if you use overlay mode you cannot do this?
One other issue I am having with xawtv is that when I make the window
fullscreen the picture disappears in overlay mode. It goes black and all I
get is a small bar maybe (10 cms across by 1 cm down) of meaningless colour
on the screen....
Thanks
Daniel
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