diff options
| author | Benny Prijono <bennylp@teluu.com> | 2006-04-05 22:05:04 +0000 |
|---|---|---|
| committer | Benny Prijono <bennylp@teluu.com> | 2006-04-05 22:05:04 +0000 |
| commit | 303d33a1dbf4bc43a62720c2e673591916325e33 (patch) | |
| tree | e629c137763eeecb3658a20babd26fed65da9d16 /pjmedia | |
| parent | 3cff5c33e4120cbf4319a19bf54d0d6fe55e6ce1 (diff) | |
Protect RTCP packet lost calculation against incorrect packet expectations
git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@389 74dad513-b988-da41-8d7b-12977e46ad98
Diffstat (limited to 'pjmedia')
| -rw-r--r-- | pjmedia/src/pjmedia/rtcp.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/pjmedia/src/pjmedia/rtcp.c b/pjmedia/src/pjmedia/rtcp.c index dd3ca304..6fc3a752 100644 --- a/pjmedia/src/pjmedia/rtcp.c +++ b/pjmedia/src/pjmedia/rtcp.c @@ -261,7 +261,10 @@ static void rtcp_build_rtcp(pjmedia_rtcp_session *s, /* 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; rtcp_pkt->rr.total_lost_0 = u32 & 0x00FF; |