Your example is not video but png/jpegs with animation on scroll.
The iphone for example: https://www.apple.com/v/iphone-xs/a/images/overview/fit_finish_gold_large.png
The most famous library for this effects is:
But you should know well CSS and JS for this (Advanced).
interaction 2.0
By webflow interaction 2.0 - you could make animation on a scroll - scrollmagic with more options (This is a specific framework for scroll animations - huge API) - but also in webflow you could get great results.
Start her:
I don’t think there is any workshop -or- full course about this specific issue - but again the sky is the limit 
start to play with interaction 2.0