Fine Tuned Video Compression in iOS (Swift 4, no dependencies)

I've written my first blog post as an evangelist in TestFairy blog. This is a shameless plug but also a useful piece of guide for encoding videos inside an iOS device. Hope you find it useful and correct my mistakes if there are any.

https://blog.testfairy.com/fine-tuned-video-compression-in-ios-swift-4-no-dependencies/

Have a nice week!