[DDP_TYPE]
1   =   RTMP, 1
2   =   NBP
3   =   ATP
4   =   AEP
5   =   RTMP, 2
6   =   ZIP
7   =   ADSP

[DDP_SOCK]
1   =   RTMP
2   =   NBP
4   =   AEP
6   =   ZIP

[ATP_SOCK]
6   =   ZIP