Related to ticket #377: Fixed bug in RTCP fraction_lost calculation: …

…the first RTCP packet incorrectly always shows positive fraction loss git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@1445 74dad513-b988-da41-8d7b-12977e46ad98
pjsip · Sep 20, 2007 · fd156c9 · fd156c9
1 parent fe81cfa
commit fd156c9
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/pjmedia/src/pjmedia/rtcp.c b/pjmedia/src/pjmedia/rtcp.c
@@ -619,7 +619,10 @@ PJ_DEF(void) pjmedia_rtcp_build_rtcp(pjmedia_rtcp_session *sess,
     received_interval = sess->received - sess->rx_prior;
     sess->rx_prior = sess->received;
 
-    lost_interval = expected_interval - received_interval;
+    if (expected_interval >= received_interval)
+	lost_interval = expected_interval - received_interval;
+    else
+	lost_interval = 0;
 
     if (expected_interval==0 || lost_interval == 0) {
 	rr->fract_lost = 0;