Hi List,
Thanks to you, I'm still improving my Cinelerra experience, and patience
rewards.
Now, I'm trying to discover Difference Key effect.
I followed the manual :
http://cinelerra.org/docs/split_manual_en/cinelerra_cv_manual_en_14.html#SEC187
I have 2 tracks and one only media.
In this only media, I take two clips (of the exact same scene : someone
walking from left to right). My cam is steady as it may cause it's just
laying on the floor (so no move, no exposure change, no nothing).
Clip 1, in track 1 : the guy walking with the background
Clip 2, in track 2 below : the background only, after man has left
As you may guess, I was expecting clip1 - clip2 = manWalkingOnly
The doc says : "The track with the background should be muted and
underneath the track with the action and the colormodel should have an
alpha channel."
I don't really understand "and underneath" ??? As it's muted, I could be
12 tracks further, there's no influence...
Anyway, I followed those recommendations.
My project format is RGBA-8 Bit as I guess "A" meens alpha channel...
Well, nothing happens, I still see my budy walking, the background is
still there... I surely missed something :)
--
Nicolas Ecarnot
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