bool_t video_stream_enable_strp(VideoStream* stream, enum ortp_srtp_crypto_suite_t suite, const char* snd_key, const char* rcv_key) {
// assign new srtp transport to stream->session
// with 2 Master Keys
RtpTransport *rtp_tpt, *rtcp_tpt;
if (!ortp_srtp_supported()) {
ms_error("ortp srtp support not enabled");
return FALSE;
}
ms_message("%s: stream=%p key='%s' key='%s'", __FUNCTION__,
stream, snd_key, rcv_key);
stream->srtp_session = ortp_srtp_create_configure_session(suite,
rtp_session_get_send_ssrc(stream->session),
snd_key,
rcv_key);
if (!stream->srtp_session) {
return FALSE;
}
// TODO: check who will free rtp_tpt ?
srtp_transport_new(stream->srtp_session, &rtp_tpt, &rtcp_tpt);
rtp_session_set_transports(stream->session, rtp_tpt, rtcp_tpt);
return TRUE;
}
static int check_srtp_session_created(MediaStream *stream){
if (stream->sessions.srtp_session==NULL){
err_status_t err;
srtp_t session;
RtpTransport *rtp=NULL,*rtcp=NULL;
err = ortp_srtp_create(&session, NULL);
if (err != 0) {
ms_error("Failed to create srtp session (%d)", err);
return -1;
}
stream->sessions.srtp_session=session;
srtp_transport_new(session,&rtp,&rtcp);
rtp_session_set_transports(stream->sessions.rtp_session,rtp,rtcp);
stream->sessions.is_secured=TRUE;
}
return 0;
}