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Add remote-candidates attributes in the SDP in RE-INVITE when ICE process has processed successfully.

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This commit is contained in:
Ghislain MARY 2012-07-25 16:41:31 +02:00
parent a45b6fbd73
commit 0ec0c0afa1
1 changed files with 27 additions and 0 deletions
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27
coreapi/sal_eXosip2_sdp.c
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@ -269,6 +269,32 @@ static void add_ice_candidates(sdp_message_t *msg, int lineno, const IceCheckLis
}
}
static void add_ice_remote_candidates(sdp_message_t *msg, int lineno, const IceCheckList *ice_cl)
{
char buffer[1024];
const char *rtp_addr = NULL;
const char *rtcp_addr = NULL;
int rtp_port;
int rtcp_port;
int nb;
if ((ice_session_role(ice_cl->session) == IR_Controlling) && (ice_check_list_state(ice_cl) == ICL_Completed)) {
ice_check_list_nominated_valid_remote_candidate(ice_cl, &rtp_addr, &rtp_port, &rtcp_addr, &rtcp_port);
nb = snprintf(buffer, sizeof(buffer), "1 %s %d", rtp_addr, rtp_port);
if (nb < 0) {
ms_error("Cannot add ICE remote-candidates attribute!");
return;
}
if (rtcp_addr != NULL) {
nb = snprintf(buffer + nb, sizeof(buffer) - nb, " 2 %s %d", rtcp_addr, rtcp_port);
if (nb < 0) {
ms_error("Cannot add ICE remote-candidates attribute!");
return;
}
}
sdp_message_a_attribute_add(msg, lineno, osip_strdup("remote-candidates"), osip_strdup(buffer));
}
}
static void add_line(sdp_message_t *msg, int lineno, const SalStreamDescription *desc, const IceCheckList *ice_cl){
const char *mt=NULL;
@ -396,6 +422,7 @@ static void add_line(sdp_message_t *msg, int lineno, const SalStreamDescription
sdp_message_a_attribute_add(msg, lineno, osip_strdup("rtcp"), int_2char(rtcp_port));
}
add_ice_candidates(msg, lineno, ice_cl, rtp_addr, rtp_port, rtcp_addr, rtcp_port);
add_ice_remote_candidates(msg, lineno, ice_cl);
}
}