Create Video editing tools in unity -- 2

Need Unity Expert to create video editing tools having same features like tiktok to integrate with my Flutter Code

Features Editing Tools:
-Fillter
-Fast Forward Video(1x 2x 3x)
-Flash
-Beautify
-Flip
-Effects (Most Important)
-Video Timer

https://github.com/juicycleff/flutter-unity-view-widget < will use this flutter widget to embed with unity