kenmirrors
/
freeswitch
mirror of https://github.com/signalwire/freeswitch.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

FS-9709 #resolve [JB drops packets after hole-punching]

This commit is contained in:
Anthony Minessale 2016-11-09 11:35:12 -06:00
parent 3c17fa6f3f
commit ae25931b4d
1 changed files with 41 additions and 44 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

85
src/switch_rtp.c
View File

@ -5167,7 +5167,7 @@ static int check_recv_payload(switch_rtp_t *rtp_session)
continue;
}
if (rtp_session->last_rtp_hdr.pt == pmap->pt) {
if (rtp_session->last_rtp_hdr.pt == pmap->recv_pt) {
ok = 1;
}
}
@ -5201,7 +5201,7 @@ static int get_recv_payload(switch_rtp_t *rtp_session)
#define return_cng_frame() do_cng = 1; goto timer_check
static switch_status_t read_rtp_packet(switch_rtp_t *rtp_session, switch_size_t *bytes, switch_frame_flag_t *flags,
switch_status_t poll_status, switch_bool_t return_jb_packet)
payload_map_t **pmapP, switch_status_t poll_status, switch_bool_t return_jb_packet)
{
switch_status_t status = SWITCH_STATUS_FALSE;
uint32_t ts = 0;
@ -5324,7 +5324,43 @@ static switch_status_t read_rtp_packet(switch_rtp_t *rtp_session, switch_size_t
if (rtp_session->has_rtp) {
rtp_session->last_rtp_hdr = rtp_session->recv_msg.header;
if (bytes && !rtp_session->flags[SWITCH_RTP_FLAG_PROXY_MEDIA] && !rtp_session->flags[SWITCH_RTP_FLAG_UDPTL] &&
rtp_session->last_rtp_hdr.pt != 13 &&
rtp_session->last_rtp_hdr.pt != rtp_session->recv_te &&
rtp_session->last_rtp_hdr.pt != rtp_session->cng_pt) {
int accept_packet = 1;
if (rtp_session->pmaps && *rtp_session->pmaps) {
payload_map_t *pmap;
accept_packet = 0;
switch_mutex_lock(rtp_session->flag_mutex);
for (pmap = *rtp_session->pmaps; pmap && pmap->allocated; pmap = pmap->next) {
if (!pmap->negotiated) {
continue;
}
if (rtp_session->last_rtp_hdr.pt == pmap->recv_pt) {
accept_packet = 1;
if (pmapP) {
*pmapP = pmap;
}
break;
}
}
switch_mutex_unlock(rtp_session->flag_mutex);
}
if (!accept_packet && !(rtp_session->rtp_bugs & RTP_BUG_ACCEPT_ANY_PAYLOAD) && !(rtp_session->rtp_bugs & RTP_BUG_ACCEPT_ANY_PACKETS)) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(rtp_session->session), SWITCH_LOG_DEBUG1,
"Invalid Packet PT:%d ignored\n", rtp_session->last_rtp_hdr.pt);
*bytes = 0;
}
}
if (rtp_session->flags[SWITCH_RTP_FLAG_DETECT_SSRC]) {
//if (rtp_session->remote_ssrc != rtp_session->stats.rtcp.peer_ssrc && rtp_session->stats.rtcp.peer_ssrc) {
// rtp_session->remote_ssrc = rtp_session->stats.rtcp.peer_ssrc;
@ -6458,7 +6494,7 @@ static int rtp_common_read(switch_rtp_t *rtp_session, switch_payload_t *payload_
if (rtp_session->jb && !rtp_session->pause_jb && jb_valid(rtp_session)) {
while (switch_poll(rtp_session->read_pollfd, 1, &fdr, 0) == SWITCH_STATUS_SUCCESS) {
status = read_rtp_packet(rtp_session, &bytes, flags, SWITCH_STATUS_SUCCESS, SWITCH_FALSE);
status = read_rtp_packet(rtp_session, &bytes, flags, pmapP, SWITCH_STATUS_SUCCESS, SWITCH_FALSE);
if (status == SWITCH_STATUS_GENERR) {
ret = -1;
@ -6481,7 +6517,7 @@ static int rtp_common_read(switch_rtp_t *rtp_session, switch_payload_t *payload_
} else if ((rtp_session->flags[SWITCH_RTP_FLAG_AUTOFLUSH] || rtp_session->flags[SWITCH_RTP_FLAG_STICKY_FLUSH])) {
if (switch_poll(rtp_session->read_pollfd, 1, &fdr, 0) == SWITCH_STATUS_SUCCESS) {
status = read_rtp_packet(rtp_session, &bytes, flags, SWITCH_STATUS_SUCCESS, SWITCH_FALSE);
status = read_rtp_packet(rtp_session, &bytes, flags, pmapP, SWITCH_STATUS_SUCCESS, SWITCH_FALSE);
if (status == SWITCH_STATUS_GENERR) {
ret = -1;
goto end;
@ -6629,7 +6665,7 @@ static int rtp_common_read(switch_rtp_t *rtp_session, switch_payload_t *payload_
read_pretriggered = 0;
} else {
status = read_rtp_packet(rtp_session, &bytes, flags, poll_status, SWITCH_TRUE);
status = read_rtp_packet(rtp_session, &bytes, flags, pmapP, poll_status, SWITCH_TRUE);
if (status == SWITCH_STATUS_GENERR) {
ret = -1;
@ -6826,45 +6862,6 @@ static int rtp_common_read(switch_rtp_t *rtp_session, switch_payload_t *payload_
return_cng_frame();
}
if (bytes && rtp_session->has_rtp &&
!rtp_session->flags[SWITCH_RTP_FLAG_PROXY_MEDIA] && !rtp_session->flags[SWITCH_RTP_FLAG_UDPTL] &&
rtp_session->last_rtp_hdr.pt != 13 &&
rtp_session->last_rtp_hdr.pt != rtp_session->recv_te &&
rtp_session->last_rtp_hdr.pt != rtp_session->cng_pt) {
int accept_packet = 1;
if (rtp_session->pmaps && *rtp_session->pmaps) {
payload_map_t *pmap;
accept_packet = 0;
switch_mutex_lock(rtp_session->flag_mutex);
for (pmap = *rtp_session->pmaps; pmap && pmap->allocated; pmap = pmap->next) {
if (!pmap->negotiated) {
continue;
}
if (rtp_session->last_rtp_hdr.pt == pmap->recv_pt) {
accept_packet = 1;
if (pmapP) {
*pmapP = pmap;
}
break;
}
}
switch_mutex_unlock(rtp_session->flag_mutex);
}
if (!accept_packet &&
!(rtp_session->rtp_bugs & RTP_BUG_ACCEPT_ANY_PAYLOAD) && !(rtp_session->rtp_bugs & RTP_BUG_ACCEPT_ANY_PACKETS)) {
/* drop frames of incorrect payload number and return CNG frame instead */
return_cng_frame();
}
}
if (!bytes && (io_flags & SWITCH_IO_FLAG_NOBLOCK)) {
rtp_session->missed_count = 0;
ret = 0;