We setup a IP Camera what is able to stream via unicast and Multicast but weather in unicastmode nor multicastmode im not able to decode or export to a playable file to play with VLC player. I found a old wireshark forum post i refer to whats from 2015
https://osqa-ask.wireshark.org/questions/43920/how-to-replay-the-video-from-packets-captured-by-wireshark