Question about RTPSource class

["Yung Yi" <yiyung@mmlab.snu.ac.kr>]

Hi.

 

I have a question about RTPSource class in ~ns/rtp.h

 

When we see RTPSource class in ~ns/rtp.h, we can the mysterious fields as follows.

 

int np_;

int snp_;

int ehsr_;

 

Someone knows what these are?

 

Thanks