I have tried a lot of solutions for IP-camera streams.
- 
Vitamio.https://github.com/yixia/Vitamio-iOS 
 Result: random crashes and not working cameras
- 
https://github.com/kolyvan/kxmovie 
 Result: compile time error. I haven't successfully integrated it to my project.
- 
GStreamer. https://github.com/sdroege/gst-player