-void
-ARDOUR_UI::engine_stopped ()
-{
- ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_stopped)
- ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
- ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
-}
-
-void
-ARDOUR_UI::engine_running ()
-{
- ENSURE_GUI_THREAD (*this, &ARDOUR_UI::engine_running)
- ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, true);
- ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, false);
-
- Glib::RefPtr<Action> action;
- const char* action_name = 0;
-
- switch (engine->samples_per_cycle()) {
- case 32:
- action_name = X_("JACKLatency32");
- break;
- case 64:
- action_name = X_("JACKLatency64");
- break;
- case 128:
- action_name = X_("JACKLatency128");
- break;
- case 512:
- action_name = X_("JACKLatency512");
- break;
- case 1024:
- action_name = X_("JACKLatency1024");
- break;
- case 2048:
- action_name = X_("JACKLatency2048");
- break;
- case 4096:
- action_name = X_("JACKLatency4096");
- break;
- case 8192:
- action_name = X_("JACKLatency8192");
- break;
- default:
- /* XXX can we do anything useful ? */
- break;
- }
-
- if (action_name) {
-
- action = ActionManager::get_action (X_("JACK"), action_name);
-
- if (action) {
- Glib::RefPtr<RadioAction> ract = Glib::RefPtr<RadioAction>::cast_dynamic (action);
- ract->set_active ();
- }
- }
-}
-
-void
-ARDOUR_UI::engine_halted (const char* reason, bool free_reason)
-{
- if (!Gtkmm2ext::UI::instance()->caller_is_ui_thread()) {
- /* we can't rely on the original string continuing to exist when we are called
- again in the GUI thread, so make a copy and note that we need to
- free it later.
- */
- char *copy = strdup (reason);
- Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&ARDOUR_UI::engine_halted, this, copy, true));
- return;
- }
-
- ActionManager::set_sensitive (ActionManager::jack_sensitive_actions, false);
- ActionManager::set_sensitive (ActionManager::jack_opposite_sensitive_actions, true);
-
- update_sample_rate (0);
-
- string msgstr;
-
- /* if the reason is a non-empty string, it means that the backend was shutdown
- rather than just Ardour.
- */
-
- if (strlen (reason)) {
- msgstr = string_compose (_("The audio backend (JACK) was shutdown because:\n\n%1"), reason);
- } else {
- msgstr = string_compose (_("\
-JACK has either been shutdown or it\n\
-disconnected %1 because %1\n\
-was not fast enough. Try to restart\n\
-JACK, reconnect and save the session."), PROGRAM_NAME);
- }
-
- MessageDialog msg (*editor, msgstr);
- pop_back_splash (msg);
- msg.set_keep_above (true);
- msg.run ();
-
- if (free_reason) {
- free (const_cast<char*> (reason));
- }
-}
-
-int32_t
-ARDOUR_UI::do_engine_start ()
-{
- try {
- engine->start();
- }
-
- catch (...) {
- engine->stop ();
- error << _("Unable to start the session running")
- << endmsg;
- unload_session ();
- return -2;
- }
-
- return 0;
-}
-