(FULL) not-yet-complete JACK session management patch (TODO: get program name, vary...
[ardour.git] / libs / ardour / session_state.cc
index f960660555f2397368fc4014b1b790de7187bf10..22a9100b319e602d65e27010bf02d51ea7fcad30 100644 (file)
@@ -270,10 +270,8 @@ Session::first_stage_init (string fullpath, string snapshot_name)
 
        /* These are all static "per-class" signals */
 
-       RegionFactory::CheckNewRegion.connect_same_thread (*this, boost::bind (&Session::add_region, this, _1));
        SourceFactory::SourceCreated.connect_same_thread (*this, boost::bind (&Session::add_source, this, _1));
        PlaylistFactory::PlaylistCreated.connect_same_thread (*this, boost::bind (&Session::add_playlist, this, _1, _2));
-       Processor::ProcessorCreated.connect_same_thread (*this, boost::bind (&Session::add_processor, this, _1));
        AutomationList::AutomationListCreated.connect_same_thread (*this, boost::bind (&Session::add_automation_list, this, _1));
        Controllable::Destroyed.connect_same_thread (*this, boost::bind (&Session::remove_controllable, this, _1));
        IO::PortCountChanged.connect_same_thread (*this, boost::bind (&Session::ensure_buffers, this, _1));
@@ -285,11 +283,11 @@ Session::first_stage_init (string fullpath, string snapshot_name)
 }
 
 int
-Session::second_stage_init (bool new_session)
+Session::second_stage_init ()
 {
        AudioFileSource::set_peak_dir (_session_dir->peak_path().to_string());
 
-       if (!new_session) {
+       if (!_is_new) {
                if (load_state (_current_snapshot_name)) {
                        return -1;
                }
@@ -339,7 +337,7 @@ Session::second_stage_init (bool new_session)
        _engine.Xrun.connect_same_thread (*this, boost::bind (&Session::xrun_recovery, this));
 
        try {
-               when_engine_running();
+               when_engine_running ();
        }
 
        /* handle this one in a different way than all others, so that its clear what happened */
@@ -369,7 +367,7 @@ Session::second_stage_init (bool new_session)
 
        ControlProtocolManager::instance().set_session (this);
 
-       config.set_end_marker_is_free (new_session);
+       config.set_end_marker_is_free (_is_new);
 
        _state_of_the_state = Clean;
 
@@ -495,7 +493,7 @@ Session::ensure_subdirs ()
 }
 
 int
-Session::create (bool& new_session, const string& mix_template, nframes_t initial_length)
+Session::create (const string& mix_template, nframes_t initial_length, BusProfile* bus_profile)
 {
 
        if (g_mkdir_with_parents (_path.c_str(), 0755) < 0) {
@@ -507,8 +505,6 @@ Session::create (bool& new_session, const string& mix_template, nframes_t initia
                return -1;
        }
 
-       /* check new_session so we don't overwrite an existing one */
-
        if (!mix_template.empty()) {
                std::string in_path = mix_template;
 
@@ -523,11 +519,6 @@ Session::create (bool& new_session, const string& mix_template, nframes_t initia
 
                        if (out){
                                out << in.rdbuf();
-
-                               // okay, session is set up.  Treat like normal saved
-                               // session from now on.
-
-                               new_session = false;
                                return 0;
 
                        } else {
@@ -557,6 +548,64 @@ Session::create (bool& new_session, const string& mix_template, nframes_t initia
        _locations.add (end_location);
 
        _state_of_the_state = Clean;
+        
+        /* set up Master Out and Control Out if necessary */
+
+        if (bus_profile) {
+
+               RouteList rl;
+               int control_id = 1;
+                ChanCount count(DataType::AUDIO, bus_profile->master_out_channels);
+
+               if (bus_profile->master_out_channels) {
+                       Route* rt = new Route (*this, _("master"), Route::MasterOut, DataType::AUDIO);
+                        if (rt->init ()) {
+                                delete rt;
+                                return -1;
+                        }
+                       boost_debug_shared_ptr_mark_interesting (rt, "Route");
+                       boost::shared_ptr<Route> r (rt);
+                       r->input()->ensure_io (count, false, this);
+                       r->output()->ensure_io (count, false, this);
+                       r->set_remote_control_id (control_id++);
+
+                       rl.push_back (r);
+
+                        if (Config->get_use_monitor_bus()) {
+                                Route* rt = new Route (*this, _("monitor"), Route::MonitorOut, DataType::AUDIO);
+                                if (rt->init ()) {
+                                        delete rt;
+                                        return -1;
+                                }
+                                boost_debug_shared_ptr_mark_interesting (rt, "Route");
+                                boost::shared_ptr<Route> r (rt);
+                                r->input()->ensure_io (count, false, this);
+                                r->output()->ensure_io (count, false, this);
+                                r->set_remote_control_id (control_id);
+                                
+                                rl.push_back (r);
+                        }
+
+               } else {
+                       /* prohibit auto-connect to master, because there isn't one */
+                       bus_profile->output_ac = AutoConnectOption (bus_profile->output_ac & ~AutoConnectMaster);
+               }
+
+               if (!rl.empty()) {
+                       add_routes (rl, false);
+               }
+
+                /* this allows the user to override settings with an environment variable.
+                 */
+
+                if (no_auto_connect()) {
+                        bus_profile->input_ac = AutoConnectOption (0);
+                        bus_profile->output_ac = AutoConnectOption (0);
+                }
+                
+                Config->set_input_auto_connect (bus_profile->input_ac);
+                Config->set_output_auto_connect (bus_profile->output_ac);
+        }
 
        save_state ("");
 
@@ -676,6 +725,35 @@ Session::remove_state (string snapshot_name)
        sys::remove (xml_path);
 }
 
+#ifdef HAVE_JACK_SESSION
+void
+Session::jack_session_event( jack_session_event_t * event )
+{
+       if (save_state ("jacksession_snap")) {
+                event->flags = JackSessionSaveError; 
+       } else {
+                sys::path xml_path (_session_dir->root_path());
+                xml_path /= legalize_for_path ("jacksession_snap") + statefile_suffix;
+                
+                string cmd ("PROG_NAME -U ");
+                cmd += event->client_uuid;
+                cmd += ' \"';
+                cmd += xml_path.to_string();
+                cmd += '\"';
+                
+                event->command_line = strdup (cmd.c_str());
+       }
+
+       jack_session_reply (_engine.jack(), event);
+
+       if (event->type == JackSessionSaveAndQuit) {
+                // TODO: make ardour quit.
+       }
+
+       jack_session_event_free( event );
+}
+#endif
+
 int
 Session::save_state (string snapshot_name, bool pending)
 {
@@ -687,7 +765,8 @@ Session::save_state (string snapshot_name, bool pending)
        }
 
        if (!_engine.connected ()) {
-               error << _("Ardour's audio engine is not connected and state saving would lose all I/O connections. Session not saved")
+               error << string_compose (_("the %1 audio engine is not connected and state saving would lose all I/O connections. Session not saved"),
+                                         PROGRAM_NAME)
                      << endmsg;
                return 1;
        }
@@ -826,7 +905,7 @@ Session::load_state (string snapshot_name)
        XMLNode& root (*state_tree->root());
 
        if (root.name() != X_("Session")) {
-               error << string_compose (_("Session file %1 is not an Ardour session"), xmlpath.to_string()) << endmsg;
+               error << string_compose (_("Session file %1 is not a session"), xmlpath.to_string()) << endmsg;
                delete state_tree;
                state_tree = 0;
                return -1;
@@ -857,8 +936,8 @@ Session::load_state (string snapshot_name)
                        return 0;
                }
 
-               info << string_compose (_("Copying old session file %1 to %2\nUse %2 with Ardour versions before 2.0 from now on"),
-                                       xmlpath.to_string(), backup_path.to_string())
+               info << string_compose (_("Copying old session file %1 to %2\nUse %2 with %3 versions before 2.0 from now on"),
+                                       xmlpath.to_string(), backup_path.to_string(), PROGRAM_NAME)
                     << endmsg;
 
                try
@@ -1046,6 +1125,12 @@ Session::state(bool full_state)
                RouteList public_order (*r);
                public_order.sort (cmp);
 
+                /* the sort should have put control outs first */
+
+                if (_monitor_out) {
+                        assert (_monitor_out == public_order.front());
+                }
+
                for (RouteList::iterator i = public_order.begin(); i != public_order.end(); ++i) {
                        if (!(*i)->is_hidden()) {
                                if (full_state) {
@@ -1369,35 +1454,87 @@ Session::load_routes (const XMLNode& node, int version)
 boost::shared_ptr<Route>
 Session::XMLRouteFactory (const XMLNode& node, int version)
 {
+       boost::shared_ptr<Route> ret;
+
        if (node.name() != "Route") {
-               return boost::shared_ptr<Route> ((Route*) 0);
+               return ret;
        }
 
-       bool has_diskstream = (node.property ("diskstream") != 0 || node.property ("diskstream-id") != 0);
+        const XMLProperty* dsprop;
 
+        if ((dsprop = node.property (X_("diskstream-id"))) == 0) {
+                dsprop = node.property (X_("diskstream"));
+        }
+        
        DataType type = DataType::AUDIO;
        const XMLProperty* prop = node.property("default-type");
-       boost::shared_ptr<Route> ret;
 
        if (prop) {
-               type = DataType(prop->value());
+               type = DataType (prop->value());
        }
 
-       assert(type != DataType::NIL);
+       assert (type != DataType::NIL);
 
-       if (has_diskstream) {
-               if (type == DataType::AUDIO) {
-                       AudioTrack* at = new AudioTrack (*this, node, version);
-                       boost_debug_shared_ptr_mark_interesting (at, "Track");
-                       ret.reset (at);
-                       
-               } else {
-                       ret.reset (new MidiTrack (*this, node, version));
-               }
+       if (dsprop) {
+
+                boost::shared_ptr<Diskstream> ds;
+                PBD::ID diskstream_id (dsprop->value());
+               PBD::ID zero ("0");
+
+               /* this wierd hack is used when creating
+                  tracks from a template. We have a special
+                  ID for the diskstream that means "you
+                  should create a new diskstream here, not
+                  look for an old one."
+               */
+                
+               if (diskstream_id != zero) {
+
+                        ds = diskstream_by_id (diskstream_id);
+
+                        if (!ds) {
+                                error << string_compose (_("cannot find diskstream ID %1"), diskstream_id.to_s()) << endmsg;
+                                return ret;
+                        }
+               } 
+
+                Track* track;
+                
+                if (type == DataType::AUDIO) {
+                        track = new AudioTrack (*this, X_("toBeResetFroXML"));
+                        
+                } else {
+                        track = new MidiTrack (*this, X_("toBeResetFroXML"));
+                }
+                
+                if (track->init()) {
+                        delete track;
+                        return ret;
+                }
+                
+                if (ds) {
+                        track->set_diskstream (ds);
+                } else {
+                        track->use_new_diskstream ();
+                }
+                
+                if (track->set_state (node, version)) {
+                        delete track;
+                        return ret;
+                }
+                
+                boost_debug_shared_ptr_mark_interesting (track, "Track");
+                ret.reset (track);
+                
        } else {
-               Route* rt = new Route (*this, node);
-               boost_debug_shared_ptr_mark_interesting (rt, "Route");
-               ret.reset (rt);
+               Route* rt = new Route (*this, X_("toBeResetFroXML"));
+
+                if (rt->init () == 0 && rt->set_state (node, version) == 0) {
+                        boost_debug_shared_ptr_mark_interesting (rt, "Route");
+                        ret.reset (rt);
+                } else {
+                        delete rt;
+                }
        }
 
        return ret;
@@ -1728,7 +1865,7 @@ Session::XMLSourceFactory (const XMLNode& node)
        }
 
        catch (failed_constructor& err) {
-               error << _("Found a sound file that cannot be used by Ardour. Talk to the progammers.") << endmsg;
+               error << string_compose (_("Found a sound file that cannot be used by %1. Talk to the progammers."), PROGRAM_NAME) << endmsg;
                return boost::shared_ptr<Source>();
        }
 }
@@ -2691,7 +2828,7 @@ Session::controllable_by_descriptor (const ControllableDescriptor& desc)
                if (str == "master") {
                        r = _master_out;
                } else if (str == "control" || str == "listen") {
-                       r = _control_out;
+                       r = _monitor_out;
                } else {
                        r = route_by_name (desc.top_level_name());
                }