JNIEXPORT jboolean JNICALL Java_org_linphone_mediastream_Version_nativeHasZrtp(JNIEnv *env, jclass c) {
return ms_zrtp_available();
}
static void initiate_incoming(MSFactory *factory, const SalStreamDescription *local_cap,
const SalStreamDescription *remote_offer,
SalStreamDescription *result, bool_t one_matching_codec){
result->payloads=match_payloads(factory, local_cap->payloads,remote_offer->payloads, FALSE, one_matching_codec);
result->proto=remote_offer->proto;
result->type=local_cap->type;
result->dir=compute_dir_incoming(local_cap->dir,remote_offer->dir);
if (!result->payloads || only_telephone_event(result->payloads) || remote_offer->rtp_port==0){
result->rtp_port=0;
return;
}
if (remote_offer->rtp_addr[0]!='\0' && ms_is_multicast(remote_offer->rtp_addr)) {
if (sal_stream_description_has_srtp(result) == TRUE) {
ms_message("SAVP not supported for multicast address for remote stream [%p]",remote_offer);
result->rtp_port=0;
return;
}
result->dir=remote_offer->dir;
strcpy(result->rtp_addr,remote_offer->rtp_addr);
strcpy(result->rtcp_addr,remote_offer->rtcp_addr);
result->rtp_port=remote_offer->rtp_port;
/*result->rtcp_port=remote_offer->rtcp_port;*/
result->rtcp_port=0; /* rtcp not supported yet*/
result->bandwidth=remote_offer->bandwidth;
result->ptime=remote_offer->ptime;
result->ttl=remote_offer->ttl;
result->multicast_role = SalMulticastReceiver;
} else {
strcpy(result->rtp_addr,local_cap->rtp_addr);
strcpy(result->rtcp_addr,local_cap->rtcp_addr);
result->rtp_port=local_cap->rtp_port;
result->rtcp_port=local_cap->rtcp_port;
result->bandwidth=local_cap->bandwidth;
result->ptime=local_cap->ptime;
}
if (sal_stream_description_has_srtp(result) == TRUE) {
/* select crypto algo */
memset(result->crypto, 0, sizeof(result->crypto));
if (!match_crypto_algo(local_cap->crypto, remote_offer->crypto, &result->crypto[0], &result->crypto_local_tag, TRUE)) {
result->rtp_port = 0;
ms_message("No matching crypto algo for remote stream's offer [%p]",remote_offer);
}
}
if (remote_offer->haveZrtpHash == 1) {
if (ms_zrtp_available()) { /* if ZRTP is available, set the zrtp hash even if it is not selected */
strncpy((char *)(result->zrtphash), (char *)(local_cap->zrtphash), sizeof(local_cap->zrtphash));
result->haveZrtpHash = 1;
}
}
strcpy(result->ice_pwd, local_cap->ice_pwd);
strcpy(result->ice_ufrag, local_cap->ice_ufrag);
result->ice_mismatch = local_cap->ice_mismatch;
result->set_nortpproxy = local_cap->set_nortpproxy;
memcpy(result->ice_candidates, local_cap->ice_candidates, sizeof(result->ice_candidates));
memcpy(result->ice_remote_candidates, local_cap->ice_remote_candidates, sizeof(result->ice_remote_candidates));
strcpy(result->name,local_cap->name);
result->rtp_ssrc=local_cap->rtp_ssrc;
strncpy(result->rtcp_cname,local_cap->rtcp_cname,sizeof(result->rtcp_cname));
// Handle dtls stream attribute: if both local and remote have a dtls fingerprint and a dtls setup, add the local fingerprint to the answer
// Note: local description usually stores dtls config at session level which means it apply to all streams, check this too
if (((local_cap->dtls_role!=SalDtlsRoleInvalid)) && (remote_offer->dtls_role!=SalDtlsRoleInvalid)
&& (strlen(local_cap->dtls_fingerprint)>0) && (strlen(remote_offer->dtls_fingerprint)>0)) {
strncpy(result->dtls_fingerprint, local_cap->dtls_fingerprint,sizeof(result->dtls_fingerprint));
if (remote_offer->dtls_role==SalDtlsRoleUnset) {
result->dtls_role = SalDtlsRoleIsClient;
}
} else {
result->dtls_fingerprint[0] = '\0';
result->dtls_role = SalDtlsRoleInvalid;
}
result->rtcp_mux = remote_offer->rtcp_mux && local_cap->rtcp_mux;
result->implicit_rtcp_fb = local_cap->implicit_rtcp_fb && remote_offer->implicit_rtcp_fb;
}
