int SrsKbps::get_recv_kbps()
{
srs_utime_t duration = clk->now() - os.starttime;
if (duration <= 0) {
return 0;
}
int64_t bytes = get_recv_bytes();
return (int)(bytes * 8 / srsu2ms(duration));
}

duration< 1000 will result in division by zero

TRANS_BY_GPT3