void ms_media_stream_sessions_uninit(MSMediaStreamSessions *sessions){
if (sessions->srtp_session) {
RtpTransport *rtptr=NULL,*rtcptr=NULL;
ortp_srtp_dealloc(sessions->srtp_session);
if (sessions->rtp_session){
rtp_session_get_transports(sessions->rtp_session,&rtptr,&rtcptr);
rtp_session_set_transports(sessions->rtp_session,NULL,NULL);
if (rtptr) srtp_transport_destroy(rtptr);
if (rtcptr) srtp_transport_destroy(rtcptr);
}
sessions->srtp_session=NULL;
}
if (sessions->rtp_session) {
rtp_session_destroy(sessions->rtp_session);
sessions->rtp_session=NULL;
}
if (sessions->zrtp_context != NULL) {
ortp_zrtp_context_destroy(sessions->zrtp_context);
sessions->zrtp_context = NULL;
}
if (sessions->ticker){
ms_ticker_destroy(sessions->ticker);
sessions->ticker=NULL;
}
}
srtp_t ortp_srtp_create_configure_session(enum ortp_srtp_crypto_suite_t suite, uint32_t ssrc, const char* snd_key, const char* rcv_key)
{
err_status_t err;
srtp_t session;
err = ortp_srtp_create(&session, NULL);
if (err != err_status_ok) {
ortp_error("Failed to create srtp session (%d)", err);
return NULL;
}
// incoming stream
{
ssrc_t incoming_ssrc;
srtp_policy_t policy;
memset(&policy, 0, sizeof(srtp_policy_t));
incoming_ssrc.type = ssrc_any_inbound;
if (!ortp_init_srtp_policy(session, &policy, suite, incoming_ssrc, rcv_key)) {
ortp_srtp_dealloc(session);
return NULL;
}
}
// outgoing stream
{
ssrc_t outgoing_ssrc;
srtp_policy_t policy;
memset(&policy, 0, sizeof(srtp_policy_t));
policy.allow_repeat_tx=1; /*this is necessary to allow telephone-event to be sent 3 times for end of dtmf packet.*/
outgoing_ssrc.type = ssrc_specific;
outgoing_ssrc.value = ssrc;
if (!ortp_init_srtp_policy(session, &policy, suite, outgoing_ssrc, snd_key)) {
ortp_srtp_dealloc(session);
return NULL;
}
}
return session;
}
srtp_t ortp_srtp_create_configure_session(enum ortp_srtp_crypto_suite_t suite, uint32_t ssrc, const char* snd_key, const char* rcv_key)
{
err_status_t err;
srtp_t session;
err = ortp_srtp_create(&session, NULL);
if (err != err_status_ok) {
ortp_error("Failed to create srtp session (%d)", err);
return NULL;
}
// incoming stream
{
ssrc_t incoming_ssrc;
srtp_policy_t policy;
memset(&policy, 0, sizeof(srtp_policy_t));
incoming_ssrc.type = ssrc_any_inbound;
if (!ortp_init_srtp_policy(session, &policy, suite, incoming_ssrc, rcv_key)) {
ortp_srtp_dealloc(session);
return NULL;
}
}
// outgoing stream
{
ssrc_t outgoing_ssrc;
srtp_policy_t policy;
memset(&policy, 0, sizeof(srtp_policy_t));
outgoing_ssrc.type = ssrc_specific;
outgoing_ssrc.value = ssrc;
if (!ortp_init_srtp_policy(session, &policy, suite, outgoing_ssrc, snd_key)) {
ortp_srtp_dealloc(session);
return NULL;
}
}
return session;
}
