compile error when turn on PJMEDIA_STREAM_ENABLE_KA ?

[lyx8322041@xxxxxxx (LYX)]

hi,

i define like this in config_site.h

#define PJMEDIA_STREAM_ENABLE_KA 1

then get the compile error like :

1>..\src\pjmedia\stream.c(1168) : error C2039: 'clock_rate' : is not a member of 'pjmedia_port_info'

why?

LYX