It’s hard to describe this as “child porn”, when it was consensual and they are both under 18, within 4 years of each other.
I do appreciate her “right to privacy”, but how that involves “child porn”, I do not rightly know.
If you can’t do the time, don’t do the crime - screwing, filming or anything else.
Video of under age kids engage in sexual activity is not child porn? Wow, there are probably a lot of people who wish you were on their jury.