Help, guide to start project

Hello, For a project I need to make when a person approaches, the video plays, and when the person moves away, the video rewinds.
I have already tried with touchdisegner but it gives me some errors. I would like to know if there is any other way to do it.
I am using a hc-sr04 sensor.

I don't quite get it, is it supposed to play while aproaching and rewind while leaving, or just when someone is close enough, the sensor should be a fairly easy setup, do you have any more specific question? is it sensor or interface or coding related XD I mean you can hook the arduino to a play and rewind button of a VCR, there are so manny ways on doing what you propose...

How is your video player controlled?

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