Add custom metadata to video using AVFoundation

Question

I want to add some info (metadata) to a video. I have found a way to retrieve metadata, but did not find any solution to set or modify metadata. I am using AVURLAsset<

Answer 1

Check out gusutils ==>

https://github.com/gpambrozio/GusUtils

There is an xcode project for creating a static library that lets you add metadata and geolocation information to your video and then persist to the assets library.