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Add RTCP attribute for each media stream when ICE is activated.

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This commit is contained in:
Ghislain MARY 2012-07-23 12:03:17 +02:00
parent 1ed0fa066e
commit 3d0f4b369b
1 changed files with 29 additions and 26 deletions
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55
coreapi/sal_eXosip2_sdp.c
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@ -145,15 +145,11 @@ static sdp_message_t *create_generic_sdp(const SalMediaDescription *desc, const
osip_strdup (desc->addr));
sdp_message_s_name_set (local, osip_strdup ("Talk"));
if ((ice_session != NULL) && (ice_session_check_list(ice_session, 0) != NULL)) {
const IceCandidate *candidate = NULL;
if (ice_session_state(ice_session) == IS_Completed) {
candidate = ice_check_list_nominated_valid_local_candidate(ice_session_check_list(ice_session, 0));
ice_check_list_nominated_valid_local_candidate(ice_session_check_list(ice_session, 0), &addr, NULL, NULL, NULL);
}
else {
candidate = ice_check_list_default_local_candidate(ice_session_check_list(ice_session, 0));
}
if (candidate != NULL) {
addr=candidate->taddr.ip;
ice_check_list_default_local_candidate(ice_session_check_list(ice_session, 0), &addr, NULL, NULL, NULL);
}
}
if(!sal_media_description_has_dir (desc,SalStreamSendOnly))
@ -248,9 +244,11 @@ static void add_ice_candidates(sdp_message_t *msg, int lineno, const SalStreamDe
static void add_line(sdp_message_t *msg, int lineno, const SalStreamDescription *desc, const IceCheckList *ice_cl){
const char *mt=NULL;
const MSList *elem;
const char *addr;
const char *rtp_addr;
const char *rtcp_addr;
const char *dir="sendrecv";
int port;
int rtp_port;
int rtcp_port;
bool_t strip_well_known_rtpmaps;
switch (desc->type) {
@ -264,29 +262,25 @@ static void add_line(sdp_message_t *msg, int lineno, const SalStreamDescription
mt=desc->typeother;
break;
}
addr=desc->addr;
port=desc->port;
rtp_addr=rtcp_addr=desc->addr;
rtp_port=desc->port;
rtcp_port=desc->port+1;
if (ice_cl != NULL) {
const IceCandidate *candidate = NULL;
if (ice_check_list_state(ice_cl) == ICL_Completed) {
candidate = ice_check_list_nominated_valid_local_candidate(ice_cl);
ice_check_list_nominated_valid_local_candidate(ice_cl, &rtp_addr, &rtp_port, &rtcp_addr, &rtcp_port);
} else {
candidate = ice_check_list_default_local_candidate(ice_cl);
}
if (candidate != NULL) {
addr=candidate->taddr.ip;
port=candidate->taddr.port;
ice_check_list_default_local_candidate(ice_cl, &rtp_addr, &rtp_port, &rtcp_addr, &rtcp_port);
}
} else if (desc->candidates[0].addr[0]!='\0'){
addr=desc->candidates[0].addr;
port=desc->candidates[0].port;
rtp_addr=desc->candidates[0].addr;
rtp_port=desc->candidates[0].port;
}
if (desc->proto == SalProtoRtpSavp) {
int i;
sdp_message_m_media_add (msg, osip_strdup (mt),
int_2char (port), NULL,
int_2char (rtp_port), NULL,
osip_strdup ("RTP/SAVP"));
/* add crypto lines */
@ -318,20 +312,20 @@ static void add_line(sdp_message_t *msg, int lineno, const SalStreamDescription
} else {
sdp_message_m_media_add (msg, osip_strdup (mt),
int_2char (port), NULL,
int_2char (rtp_port), NULL,
osip_strdup ("RTP/AVP"));
}
/*only add a c= line within the stream description if address are differents*/
if (strcmp(addr,sdp_message_c_addr_get(msg, -1, 0))!=0){
if (strcmp(rtp_addr,sdp_message_c_addr_get(msg, -1, 0))!=0){
bool_t inet6;
if (strchr(addr,':')!=NULL){
if (strchr(rtp_addr,':')!=NULL){
inet6=TRUE;
}else inet6=FALSE;
sdp_message_c_connection_add (msg, lineno,
osip_strdup ("IN"), inet6 ? osip_strdup ("IP6") : osip_strdup ("IP4"),
osip_strdup (addr), NULL, NULL);
osip_strdup (rtp_addr), NULL, NULL);
}
if (desc->bandwidth>0) sdp_message_b_bandwidth_add (msg, lineno, osip_strdup ("AS"),
@ -364,8 +358,17 @@ static void add_line(sdp_message_t *msg, int lineno, const SalStreamDescription
break;
}
if (dir) sdp_message_a_attribute_add (msg, lineno, osip_strdup (dir),NULL);
if (ice_check_list_state(ice_cl) == ICL_Running) {
add_ice_candidates(msg, lineno, desc, ice_cl);
if (ice_cl != NULL) {
if (strcmp(rtp_addr, rtcp_addr) != 0) {
char buffer[1024];
snprintf(buffer, sizeof(buffer), "%u IN IP4 %s", rtcp_port, rtcp_addr);
sdp_message_a_attribute_add(msg, lineno, osip_strdup("rtcp"), osip_strdup(buffer));
} else {
sdp_message_a_attribute_add(msg, lineno, osip_strdup("rtcp"), int_2char(rtcp_port));
}
if (ice_check_list_state(ice_cl) == ICL_Running) {
add_ice_candidates(msg, lineno, desc, ice_cl);
}
}
}