Changeset 389 for pjproject/trunk/pjmedia/src/pjmedia/rtcp.c

Timestamp:

Apr 5, 2006 10:05:04 PM (18 years ago)

Author:

bennylp

Message:

Protect RTCP packet lost calculation against incorrect packet expectations

File:

• pjproject/trunk/pjmedia/src/pjmedia/rtcp.c (modified) (1 diff)

pjproject/trunk/pjmedia/src/pjmedia/rtcp.c

@@ -262 +262 @@
     /* Total lost. */
     expected = pj_ntohl(rtcp_pkt->rr.last_seq) - s->seq_ctrl.base_seq;
-    u32 = expected - s->received;
+    if (expected >= s->received)
+        u32 = expected - s->received;
+    else
+        u32 = 0;
     rtcp_pkt->rr.total_lost_2 = (u32 >> 16) & 0x00FF;
     rtcp_pkt->rr.total_lost_1 = (u32 >> 8) & 0x00FF;