+int
+ARDOUR_UI::build_session_from_nsd (const Glib::ustring& session_path, const Glib::ustring& session_name)
+{
+
+ uint32_t cchns;
+ uint32_t mchns;
+ AutoConnectOption iconnect;
+ AutoConnectOption oconnect;
+ uint32_t nphysin;
+ uint32_t nphysout;
+
+ if (Profile->get_sae()) {
+
+ cchns = 0;
+ mchns = 2;
+ iconnect = AutoConnectPhysical;
+ oconnect = AutoConnectMaster;
+ nphysin = 0; // use all available
+ nphysout = 0; // use all available
+
+ } else {
+
+ /* get settings from advanced section of NSD */
+
+ if (new_session_dialog->create_control_bus()) {
+ cchns = (uint32_t) new_session_dialog->control_channel_count();
+ } else {
+ cchns = 0;
+ }
+
+ if (new_session_dialog->create_master_bus()) {
+ mchns = (uint32_t) new_session_dialog->master_channel_count();
+ } else {
+ mchns = 0;
+ }
+
+ if (new_session_dialog->connect_inputs()) {
+ iconnect = AutoConnectPhysical;
+ } else {
+ iconnect = AutoConnectOption (0);
+ }
+
+ /// @todo some minor tweaks.
+
+ if (new_session_dialog->connect_outs_to_master()) {
+ oconnect = AutoConnectMaster;
+ } else if (new_session_dialog->connect_outs_to_physical()) {
+ oconnect = AutoConnectPhysical;
+ } else {
+ oconnect = AutoConnectOption (0);
+ }
+
+ nphysin = (uint32_t) new_session_dialog->input_limit_count();
+ nphysout = (uint32_t) new_session_dialog->output_limit_count();
+ }
+
+ if (build_session (session_path,
+ session_name,
+ cchns,
+ mchns,
+ iconnect,
+ oconnect,
+ nphysin,
+ nphysout,
+ engine->frame_rate() * 60 * 5)) {
+
+ return -1;
+ }