udp - Forward Error Correction in rtp h264 -

i trying implement forward error correction , recovering lost packets in rtp h264 packetization mode 0 , mode 1.can me how works.i have found following libraries

1- https://github.com/catid/longhair

2- https://github.com/bulat-ziganshin/fastecc

3- https://github.com/arashpartow/schifra

and following rfc

https://tools.ietf.org/html/rfc5109

but no example implement.i free implement other methods because not targeting interoperability other voip devices. please if has experience using above libraries in networking please share.