/*
* Source is not valid until MIN_SEQUENTIAL packets with
* sequential sequence numbers have been received.
*/
if (s->probation) {
/* packet is in sequence */
if (seq == s->max_seq + 1) {
s->probation--;
s->max_seq = seq;
if (s->probation == 0) {
init_seq(s, seq);
s->received++;
return 1;
}
} else {
s->probation = MIN_SEQUENTIAL - 1;
s->max_seq = seq;
}
return 0;
} else if (udelta < MAX_DROPOUT) {
/* in order, with permissible gap */
if (seq < s->max_seq) {
/*
Schulzrinne, et al Standards Track [Page 61]
RFC 1889 RTP January 1996
