Motion XML to opticalflow slow

Hello,
It`s possible to write a Motion XML and make it like a "filter" in Final Cut Pro to change the frame blending on a clip to OpticalFlow?
I`m asking this because when you do a slowmotion (change speed) on a clip in Final Cut Pro sequence and it appears to flick (mostly because the sequence is HDV and this particular clip is DV) the only method that I could found to solve that is to send that clip to motion, entering on the proprieties tab and changing frame blending mode to OpticalFlow, saving and quitting motion. As you can see is veeeeery mechanical process and you don`t have to do anything different.
Has anyone found a solution using the Motion XML ou anything like it?
Regards

Thanks for the suggestion Sue.
Sorry for the delayed response.
I have never heard of it, but will be sure to check it out!
I finally have some time tomorrow to delve into my video footage. I'm looking forward to exploring Deinterlacer.
Thanks again, for the welcome and the advice.
Tracy

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