First, I did find that someone else was having this problem but he/she was linking from PP and had multiple effects applied and the comp frame rate and clip frame rate didn't match. (video of problem at bottom of post)
In my project, I've only got one comp, which was created from the footage. I'm making sure that I'm applying the brush on the layer, not the comp.
I'm double checking my rotobrush frame by frame, and about every few frames it will switch to select the entire frame.
I used the rotobrush while in full resolution, and the subject is contrasty enough that I can't imagine AE having a hard time tracking it.
Just in case it's a GPU thing-a-mabob, here is my computer's set up.
And here are my comp settings:
For tutorials on this I have watched the Lynda.com After Effect Basics (whole thing) then this additional lynda.com :
How to use the Roto Brush tool
and then this "advanced" one: Learn Advanced AE Rotobrush in 20 Min
Is there a speedy way to fix this rather than going frame by frame for 15 minutes and re-rotobrushing???
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