Multicast to vlc or set top box (rtp/udp)

[Hikaru]

Hi all
anyone have experience with multicast?
i have Dahua IPC-HFW5221E-Z, and I need it to stream multicast
so it can be open with vlc or set top box with udp or rtp
can anyone help me how to?
Thanks

 

[Hikaru]

anyone can help me for this?