I've been trying to do some time remapping using twixtor. We need the image to accelerate and decelerate at very specific points, but getting it to do so where we actually want it to seems impossible. We set our keyframes and once we render, it seems twixtor changes it from what we set. And once we get it close to right, any time we have to re-render for whatever reason (resizing, place another clip on top, ad an effect, etc.) even if we haven't changed the keyframes at all, twixtor will give us something different each time we re-render, and we need it to be precise! Essentially, rendering the same clip twice, will yield two different results! It's costing us valuable time as we have a lot of remapping shots. Can anyone please advise how to make twixtor do what we want? We are using twixtor for Final Cut Pro on a mac. And adjusting it by "speed" instead of "frames".