gboolean
kms_webrtc_session_set_remote_ice_candidate (KmsWebrtcSession * self,
KmsIceCandidate * candidate)
{
KmsSdpSession *sdp_sess = KMS_SDP_SESSION (self);
SdpMessageContext *local_sdp_ctx = sdp_sess->local_sdp_ctx;
guint8 index;
GSList *medias;
SdpMediaConfig *mconf;
gboolean ret;
if (local_sdp_ctx == NULL) {
GST_INFO_OBJECT (self,
"Cannot add candidate until local SDP is generated.");
return TRUE; /* We do not know if the candidate is valid until it is set */
}
medias = kms_sdp_message_context_get_medias (local_sdp_ctx);
index = kms_ice_candidate_get_sdp_m_line_index (candidate);
mconf = g_slist_nth_data (medias, index);
if (mconf == NULL) {
GST_WARNING_OBJECT (self,
"Media not found in local SDP for index %" G_GUINT16_FORMAT, index);
return FALSE;
} else if (kms_sdp_media_config_is_inactive (mconf)) {
GST_DEBUG_OBJECT (self, "Media inactive for index %" G_GUINT16_FORMAT,
index);
return TRUE;
} else {
gchar *stream_id;
stream_id = kms_webrtc_session_get_stream_id (self, mconf);
if (stream_id == NULL) {
return FALSE;
}
if (!kms_ice_base_agent_add_ice_candidate (self->agent, candidate,
stream_id)) {
GST_WARNING_OBJECT (self, "Cannot add candidate: '%s'in stream_id: %s.",
kms_ice_candidate_get_candidate (candidate), stream_id);
ret = FALSE;
} else {
GST_TRACE_OBJECT (self, "Candidate added: '%s' in stream_id: %s.",
kms_ice_candidate_get_candidate (candidate), stream_id);
ret = TRUE;
}
}
return ret;
}
static gboolean
kms_ice_nice_agent_add_ice_candidate (KmsIceBaseAgent * self,
KmsIceCandidate * candidate, const char *stream_id)
{
KmsIceNiceAgent *nice_agent = KMS_ICE_NICE_AGENT (self);
NiceCandidate *nice_cand;
guint id = atoi (stream_id);
gboolean ret;
GSList *candidates;
const gchar *cand_str;
GST_DEBUG_OBJECT (self, "Add ICE candidate '%s'",
kms_ice_candidate_get_candidate (candidate));
ret = kms_ice_candidate_create_nice (candidate, &nice_cand);
if (nice_cand == NULL) {
return ret;
}
nice_cand->stream_id = id;
cand_str = kms_ice_candidate_get_candidate (candidate);
candidates = g_slist_append (NULL, nice_cand);
if (nice_agent_set_remote_candidates (nice_agent->priv->agent,
nice_cand->stream_id, nice_cand->component_id, candidates) < 0) {
GST_WARNING_OBJECT (self, "Cannot add candidate: '%s'in stream_id: %d.",
cand_str, nice_cand->stream_id);
ret = FALSE;
} else {
GST_TRACE_OBJECT (self, "Candidate added: '%s' in stream_id: %d.",
cand_str, nice_cand->stream_id);
ret = TRUE;
}
g_slist_free (candidates);
nice_candidate_free (nice_cand);
return ret;
}
void WebRtcEndpointImpl::onIceCandidate (KmsIceCandidate *candidate)
{
try {
std::string cand_str (kms_ice_candidate_get_candidate (candidate) );
std::string mid_str (kms_ice_candidate_get_sdp_mid (candidate) );
int sdp_m_line_index = kms_ice_candidate_get_sdp_m_line_index (candidate);
std::shared_ptr <IceCandidate> cand ( new IceCandidate
(cand_str, mid_str, sdp_m_line_index) );
OnIceCandidate event (shared_from_this(), OnIceCandidate::getName(), cand);
signalOnIceCandidate (event);
} catch (std::bad_weak_ptr &e) {
}
}
static gboolean
kms_webrtc_session_add_ice_candidate (KmsWebrtcSession * self,
KmsIceCandidate * candidate)
{
guint8 index;
gboolean ret;
GST_DEBUG_OBJECT (self, "Add ICE candidate '%s'",
kms_ice_candidate_get_candidate (candidate));
KMS_SDP_SESSION_LOCK (self);
self->remote_candidates =
g_slist_append (self->remote_candidates, g_object_ref (candidate));
ret = kms_webrtc_session_set_remote_ice_candidate (self, candidate);
index = kms_ice_candidate_get_sdp_m_line_index (candidate);
kms_webrtc_session_remote_sdp_add_ice_candidate (self, candidate, index);
KMS_SDP_SESSION_UNLOCK (self);
return ret;
}
static gchar *
kms_ice_nice_agent_generate_local_candidate_sdp (KmsIceBaseAgent * self,
KmsIceCandidate * candidate)
{
KmsIceNiceAgent *nice_agent = KMS_ICE_NICE_AGENT (self);
NiceCandidate *nice_cand;
gchar *ret;
GST_DEBUG_OBJECT (self, "Add ICE candidate '%s'",
kms_ice_candidate_get_candidate (candidate));
kms_ice_candidate_create_nice (candidate, &nice_cand);
if (nice_cand == NULL) {
return NULL;
}
ret =
nice_agent_generate_local_candidate_sdp (nice_agent->priv->agent,
nice_cand);
nice_candidate_free (nice_cand);
return ret;
}
