ok
The fastest frame average I know of is RedAverage
http://forum.doom9.org/showthread.ph...11#post1537311
My "doodle" refers to converting stacked MSB/LSB 16bit video to normal 16bit words for each pixel, the point of it actually being in words is to use vectored instructions to further do fast operations on those words, for example for brightness or contrast adjustment, unless of course it's just as fast to do an add on two halves of a word scattered far apart in memory