hardour does not yet support wine-builds
[ardour.git] / gtk2_ardour / ardour_ui.cc
index 133b61c17f9a8f18bd2069e244af66bededce313..10de8e795d8953068b9cbfbc8e1863365e99544f 100644 (file)
 #include <cerrno>
 #include <fstream>
 
+#ifndef PLATFORM_WINDOWS
+#include <sys/resource.h>
+#endif
+
 #include <stdint.h>
 #include <fcntl.h>
 #include <signal.h>
 #include <unistd.h>
 #include <time.h>
 
-#include <sys/resource.h>
-#include <sys/types.h>
-#include <sys/sysctl.h>
+#include <glib.h>
+#include <glib/gstdio.h>
 
 #include <gtkmm/messagedialog.h>
 #include <gtkmm/accelmap.h>
@@ -48,6 +51,8 @@
 #include "pbd/memento_command.h"
 #include "pbd/openuri.h"
 #include "pbd/file_utils.h"
+#include "pbd/localtime_r.h"
+#include "pbd/system_exec.h"
 
 #include "gtkmm2ext/application.h"
 #include "gtkmm2ext/bindings.h"
@@ -67,6 +72,7 @@
 #include "ardour/filename_extensions.h"
 #include "ardour/filesystem_paths.h"
 #include "ardour/port.h"
+#include "ardour/plugin_manager.h"
 #include "ardour/process_thread.h"
 #include "ardour/profile.h"
 #include "ardour/recent_sessions.h"
 #include "ardour/session_utils.h"
 #include "ardour/slave.h"
 
+#ifdef WINDOWS_VST_SUPPORT
+#include <fst.h>
+#endif
+
 #include "timecode/time.h"
 
 typedef uint64_t microseconds_t;
@@ -101,6 +111,7 @@ typedef uint64_t microseconds_t;
 #include "missing_plugin_dialog.h"
 #include "mixer_ui.h"
 #include "mouse_cursors.h"
+#include "nsm.h"
 #include "opts.h"
 #include "pingback.h"
 #include "processor_box.h"
@@ -109,6 +120,7 @@ typedef uint64_t microseconds_t;
 #include "rc_option_editor.h"
 #include "route_time_axis.h"
 #include "route_params_ui.h"
+#include "session_dialog.h"
 #include "session_metadata_dialog.h"
 #include "session_option_editor.h"
 #include "shuttle_control.h"
@@ -121,7 +133,6 @@ typedef uint64_t microseconds_t;
 #include "video_server_dialog.h"
 #include "add_video_dialog.h"
 #include "transcode_video_dialog.h"
-#include "system_exec.h"
 
 #include "i18n.h"
 
@@ -156,11 +167,11 @@ ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[], const char* localedir)
 
          /* start of private members */
 
-       , _startup (0)
        , nsm (0)
        , _was_dirty (false)
        , _mixer_on_top (false)
        , first_time_engine_run (true)
+       , blink_timeout_tag (-1)
 
          /* transport */
 
@@ -214,6 +225,10 @@ ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[], const char* localedir)
 
        ui_config = new UIConfiguration();
 
+       ui_config->ParameterChanged.connect (sigc::mem_fun (*this, &ARDOUR_UI::parameter_changed));
+       boost::function<void (string)> pc (boost::bind (&ARDOUR_UI::parameter_changed, this, _1));
+       ui_config->map_parameters (pc);
+
        editor = 0;
        mixer = 0;
        meterbridge = 0;
@@ -288,7 +303,10 @@ ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[], const char* localedir)
 
        /* and ambiguous files */
 
-       ARDOUR::FileSource::AmbiguousFileName.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::ambiguous_file, this, _1, _2, _3));
+       ARDOUR::FileSource::AmbiguousFileName.connect_same_thread (forever_connections, boost::bind (&ARDOUR_UI::ambiguous_file, this, _1, _2));
+
+       /* also plugin scan messages */
+       ARDOUR::PluginScanMessage.connect (forever_connections, MISSING_INVALIDATOR, boost::bind(&ARDOUR_UI::plugin_scan_dialog, this, _1, _2), gui_context());
 
        /* lets get this party started */
 
@@ -361,9 +379,6 @@ ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[], const char* localedir)
        
        (void) theme_manager.get (true);
        
-       starting.connect (sigc::mem_fun(*this, &ARDOUR_UI::startup));
-       stopping.connect (sigc::mem_fun(*this, &ARDOUR_UI::shutdown));
-
        _process_thread = new ProcessThread ();
        _process_thread->init ();
 
@@ -438,7 +453,7 @@ ARDOUR_UI::engine_halted (const char* reason, bool free_reason)
                msgstr = string_compose (_("The audio backend was shutdown because:\n\n%1"), reason);
        } else {
                msgstr = string_compose (_("\
-`The audio backend has either been shutdown or it\n\
+The audio backend has either been shutdown or it\n\
 disconnected %1 because %1\n\
 was not fast enough. Try to restart\n\
 the audio backend and save the session."), PROGRAM_NAME);
@@ -497,10 +512,13 @@ ARDOUR_UI::post_engine ()
 
                vector<string>::iterator n;
                vector<string>::iterator k;
-               for (n = names.begin(), k = keys.begin(); n != names.end(); ++n, ++k) {
-                       cout << "Action: " << (*n) << " bound to " << (*k) << endl;
+               vector<string>::iterator p;
+               for (n = names.begin(), k = keys.begin(), p = paths.begin(); n != names.end(); ++n, ++k, ++p) {
+                       cout << "Action: '" << (*n) << "' bound to '" << (*k) << "' Path: '" << (*p) << "'" << endl;
                }
 
+               halt_connection.disconnect ();
+               AudioEngine::instance()->stop ();
                exit (0);
        }
 
@@ -536,6 +554,10 @@ ARDOUR_UI::post_engine ()
 
 ARDOUR_UI::~ARDOUR_UI ()
 {
+       if (ui_config->dirty()) {
+               ui_config->save_state();
+       }
+
        delete keyboard;
        delete editor;
        delete mixer;
@@ -712,11 +734,12 @@ ARDOUR_UI::check_announcements ()
 #endif
 }
 
-void
-ARDOUR_UI::startup ()
+int
+ARDOUR_UI::starting ()
 {
        Application* app = Application::instance ();
-       char *nsm_url;
+       const char *nsm_url;
+       bool brand_new_user = ArdourStartup::required ();
 
        app->ShouldQuit.connect (sigc::mem_fun (*this, &ARDOUR_UI::queue_finish));
        app->ShouldLoad.connect (sigc::mem_fun (*this, &ARDOUR_UI::idle_load));
@@ -727,9 +750,17 @@ ARDOUR_UI::startup ()
 
        app->ready ();
 
-       nsm_url = getenv ("NSM_URL");
+       /* we need to create this early because it may need to set the
+        *  audio backend end up.
+        */
+       
+       try {
+               audio_midi_setup.get (true);
+       } catch (...) {
+               return -1;
+       }
 
-       if (nsm_url) {
+       if ((nsm_url = g_getenv ("NSM_URL")) != 0) {
                nsm = new NSM_Client;
                if (!nsm->init (nsm_url)) {
                        nsm->announce (PROGRAM_NAME, ":dirty:", "ardour3");
@@ -738,20 +769,35 @@ ARDOUR_UI::startup ()
                        // wait for announce reply from nsm server
                        for ( i = 0; i < 5000; ++i) {
                                nsm->check ();
-                               usleep (i);
-                               if (nsm->is_active())
+
+                               Glib::usleep (i);
+                               if (nsm->is_active()) {
                                        break;
+                               }
+                       }
+                       if (i == 5000) {
+                               error << _("NSM server did not announce itself") << endmsg;
+                               return -1;
                        }
                        // wait for open command from nsm server
                        for ( i = 0; i < 5000; ++i) {
                                nsm->check ();
-                               usleep (1000);
-                               if (nsm->client_id ())
+                               Glib::usleep (1000);
+                               if (nsm->client_id ()) {
                                        break;
+                               }
+                       }
+
+                       if (i == 5000) {
+                               error << _("NSM: no client ID provided") << endmsg;
+                               return -1;
                        }
 
                        if (_session && nsm) {
                                _session->set_nsm_state( nsm->is_active() );
+                       } else {
+                               error << _("NSM: no session created") << endmsg;
+                               return -1;
                        }
 
                        // nsm requires these actions disabled
@@ -770,15 +816,35 @@ ARDOUR_UI::startup ()
                                }
                        }
 
-               }
-               else {
+               } else {
                        delete nsm;
                        nsm = 0;
+                       error << _("NSM: initialization failed") << endmsg;
+                       return -1;
                }
-       }
 
-       else if (get_session_parameters (true, ARDOUR_COMMAND_LINE::new_session, ARDOUR_COMMAND_LINE::load_template)) {
-               exit (1);
+       } else  {
+               
+               if (brand_new_user) {
+                       ArdourStartup s;
+                       s.present ();
+                       main().run();
+                       s.hide ();
+                       switch (s.response ()) {
+                       case Gtk::RESPONSE_OK:
+                               break;
+                       default:
+                               return -1;
+                       }
+               }
+
+               /* go get a session */
+
+               const bool new_session_required = (ARDOUR_COMMAND_LINE::new_session || brand_new_user);
+
+               if (get_session_parameters (false, new_session_required, ARDOUR_COMMAND_LINE::load_template)) {
+                       return -1;
+               }
        }
 
        use_config ();
@@ -793,19 +859,13 @@ ARDOUR_UI::startup ()
        _status_bar_visibility.update ();
 
        BootMessage (string_compose (_("%1 is ready for use"), PROGRAM_NAME));
-}
-
-void
-ARDOUR_UI::no_memory_warning ()
-{
-       XMLNode node (X_("no-memory-warning"));
-       Config->add_instant_xml (node);
+       return 0;
 }
 
 void
 ARDOUR_UI::check_memory_locking ()
 {
-#ifdef __APPLE__
+#if defined(__APPLE__) || defined(PLATFORM_WINDOWS)
        /* OS X doesn't support mlockall(2), and so testing for memory locking capability there is pointless */
        return;
 #else // !__APPLE__
@@ -858,9 +918,6 @@ ARDOUR_UI::check_memory_locking ()
                                VBox* vbox = msg.get_vbox();
                                HBox hbox;
                                CheckButton cb (_("Do not show this window again"));
-
-                               cb.signal_toggled().connect (sigc::mem_fun (*this, &ARDOUR_UI::no_memory_warning));
-                               
                                hbox.pack_start (cb, true, false);
                                vbox->pack_start (hbox);
                                cb.show();
@@ -871,6 +928,11 @@ ARDOUR_UI::check_memory_locking ()
 
                                editor->ensure_float (msg);
                                msg.run ();
+
+                               if (cb.get_active()) {
+                                       XMLNode node (X_("no-memory-warning"));
+                                       Config->add_instant_xml (node);
+                               }
                        }
                }
        }
@@ -954,6 +1016,9 @@ If you still wish to quit, please use the\n\n\
 
        halt_connection.disconnect ();
        AudioEngine::instance()->stop ();
+#ifdef WINDOWS_VST_SUPPORT
+       fst_stop_threading();
+#endif
        quit ();
 }
 
@@ -1172,7 +1237,7 @@ ARDOUR_UI::update_cpu_load ()
           should also be changed.
        */
 
-       float const c = AudioEngine::instance()->get_cpu_load ();
+       float const c = AudioEngine::instance()->get_dsp_load ();
        snprintf (buf, sizeof (buf), _("DSP: <span foreground=\"%s\">%5.1f%%</span>"), c >= 90 ? X_("red") : X_("green"), c);
        cpu_load_label.set_markup (buf);
 }
@@ -2149,8 +2214,13 @@ ARDOUR_UI::snapshot_session (bool switch_to_it)
 
        prompter.set_name ("Prompter");
        prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
-       prompter.set_title (_("Take Snapshot"));
-       prompter.set_prompt (_("Name of new snapshot"));
+       if (switch_to_it) {
+               prompter.set_title (_("Save as..."));
+               prompter.set_prompt (_("New session name"));
+       } else {
+               prompter.set_title (_("Take Snapshot"));
+               prompter.set_prompt (_("Name of new snapshot"));
+       }
 
        if (!switch_to_it) {
                char timebuf[128];
@@ -2431,7 +2501,7 @@ ARDOUR_UI::ask_about_loading_existing_session (const std::string& session_path)
 }
 
 int
-ARDOUR_UI::build_session_from_nsd (const std::string& session_path, const std::string& session_name)
+ARDOUR_UI::build_session_from_dialog (SessionDialog& sd, const std::string& session_path, const std::string& session_name)
 {
        BusProfile bus_profile;
 
@@ -2447,13 +2517,13 @@ ARDOUR_UI::build_session_from_nsd (const std::string& session_path, const std::s
 
                /* get settings from advanced section of NSD */
 
-               if (_startup->create_master_bus()) {
-                       bus_profile.master_out_channels = (uint32_t) _startup->master_channel_count();
+               if (sd.create_master_bus()) {
+                       bus_profile.master_out_channels = (uint32_t) sd.master_channel_count();
                } else {
                        bus_profile.master_out_channels = 0;
                }
 
-               if (_startup->connect_inputs()) {
+               if (sd.connect_inputs()) {
                        bus_profile.input_ac = AutoConnectPhysical;
                } else {
                        bus_profile.input_ac = AutoConnectOption (0);
@@ -2461,16 +2531,16 @@ ARDOUR_UI::build_session_from_nsd (const std::string& session_path, const std::s
 
                bus_profile.output_ac = AutoConnectOption (0);
 
-               if (_startup->connect_outputs ()) {
-                       if (_startup->connect_outs_to_master()) {
+               if (sd.connect_outputs ()) {
+                       if (sd.connect_outs_to_master()) {
                                bus_profile.output_ac = AutoConnectMaster;
-                       } else if (_startup->connect_outs_to_physical()) {
+                       } else if (sd.connect_outs_to_physical()) {
                                bus_profile.output_ac = AutoConnectPhysical;
                        }
                }
 
-               bus_profile.requested_physical_in = (uint32_t) _startup->input_limit_count();
-               bus_profile.requested_physical_out = (uint32_t) _startup->output_limit_count();
+               bus_profile.requested_physical_in = (uint32_t) sd.input_limit_count();
+               bus_profile.requested_physical_out = (uint32_t) sd.output_limit_count();
        }
 
        if (build_session (session_path, session_name, bus_profile)) {
@@ -2506,6 +2576,7 @@ ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, stri
        string template_name;
        int ret = -1;
        bool likely_new = false;
+       bool cancel_not_quit;
 
        /* deal with any existing DIRTY session now, rather than later. don't
         * treat a non-dirty session this way, so that it stays visible 
@@ -2516,6 +2587,11 @@ ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, stri
                ARDOUR_UI::instance()->video_timeline->sync_session_state();
        }
 
+       /* if there is already a session, relabel the button
+          on the SessionDialog so that we don't Quit directly
+       */
+       cancel_not_quit = (_session != 0);
+
        if (_session && _session->dirty()) {
                if (unload_session (false)) {
                        /* unload cancelled by user */
@@ -2529,6 +2605,20 @@ ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, stri
                template_name = load_template;
        }
 
+       session_name = basename_nosuffix (ARDOUR_COMMAND_LINE::session_name);
+       session_path = ARDOUR_COMMAND_LINE::session_name;
+       
+       if (!session_path.empty()) {
+               if (Glib::file_test (session_path.c_str(), Glib::FILE_TEST_EXISTS)) {
+                       if (Glib::file_test (session_path.c_str(), Glib::FILE_TEST_IS_REGULAR)) {
+                               /* session/snapshot file, change path to be dir */
+                               session_path = Glib::path_get_dirname (session_path);
+                       }
+               }
+       }
+
+       SessionDialog session_dialog (should_be_new, session_name, session_path, load_template, cancel_not_quit);
+
        while (ret != 0) {
 
                if (!ARDOUR_COMMAND_LINE::session_name.empty()) {
@@ -2551,34 +2641,35 @@ ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, stri
                } else {
                        session_path = "";
                        session_name = "";
+                       session_dialog.clear_given ();
                }
-
-               delete _startup;
-               _startup = new ArdourStartup (should_be_new, session_name, session_path, load_template);
                
-               if (!_startup->ready_without_display()) {
-                       _startup->present ();
-                       main().run();
-                       _startup->hide ();
-               }
-               
-               switch (_startup->response()) {
-               case RESPONSE_OK:
-                       break;
-               default:
-                       if (quit_on_cancel) {
-                               exit (1);
-                       } else {
-                               return ret;
+               if (should_be_new || session_name.empty()) {
+                       /* need the dialog to get info from user */
+
+                       cerr << "run dialog\n";
+
+                       switch (session_dialog.run()) {
+                       case RESPONSE_ACCEPT:
+                               break;
+                       default:
+                               if (quit_on_cancel) {
+                                       exit (1);
+                               } else {
+                                       return ret;
+                               }
                        }
+
+                       session_dialog.hide ();
                }
 
                /* if we run the startup dialog again, offer more than just "new session" */
                
                should_be_new = false;
                
-               session_name = _startup->session_name (likely_new);
-               
+               session_name = session_dialog.session_name (likely_new);
+               session_path = session_dialog.session_folder ();
+
                if (nsm) {
                        likely_new = true;
                }
@@ -2595,8 +2686,8 @@ ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, stri
                        continue;
                }
                
-               if (_startup->use_session_template()) {
-                       template_name = _startup->session_template_name();
+               if (session_dialog.use_session_template()) {
+                       template_name = session_dialog.session_template_name();
                        _session_is_new = true;
                }
                
@@ -2613,12 +2704,12 @@ ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, stri
                        
                } else {
 
-                       session_path = _startup->session_folder();
+                       session_path = session_dialog.session_folder();
                        
                        char illegal = Session::session_name_is_legal (session_name);
                        
                        if (illegal) {
-                               MessageDialog msg (*_startup,
+                               MessageDialog msg (session_dialog,
                                                   string_compose (_("To ensure compatibility with various systems\n"
                                                                     "session names may not contain a '%1' character"),
                                                                   illegal));
@@ -2630,6 +2721,7 @@ ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, stri
        
                if (Glib::file_test (session_path, Glib::FileTest (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))) {
 
+
                        if (likely_new && !nsm) {
 
                                std::string existing = Glib::build_filename (session_path, session_name);
@@ -2645,12 +2737,7 @@ ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, stri
                } else {
 
                        if (!likely_new) {
-                               if (_startup) {
-                                       pop_back_splash (*_startup);
-                               } else {
-                                       hide_splash ();
-                               }
-
+                               pop_back_splash (session_dialog);
                                MessageDialog msg (string_compose (_("There is no existing session at \"%1\""), session_path));
                                msg.run ();
                                ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
@@ -2658,10 +2745,11 @@ ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, stri
                        }
 
                        char illegal = Session::session_name_is_legal(session_name);
+
                        if (illegal) {
-                               pop_back_splash (*_startup);
-                               MessageDialog msg (*_startup, string_compose(_("To ensure compatibility with various systems\n"
-                                                    "session names may not contain a '%1' character"), illegal));
+                               pop_back_splash (session_dialog);
+                               MessageDialog msg (session_dialog, string_compose(_("To ensure compatibility with various systems\n"
+                                                                                   "session names may not contain a '%1' character"), illegal));
                                msg.run ();
                                ARDOUR_COMMAND_LINE::session_name = ""; // cancel that
                                continue;
@@ -2672,7 +2760,7 @@ ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, stri
 
                if (likely_new && template_name.empty()) {
 
-                       ret = build_session_from_nsd (session_path, session_name);
+                       ret = build_session_from_dialog (session_dialog, session_path, session_name);
 
                } else {
 
@@ -2687,6 +2775,12 @@ ARDOUR_UI::get_session_parameters (bool quit_on_cancel, bool should_be_new, stri
                                _session->save_state (ARDOUR_COMMAND_LINE::immediate_save, false);
                                exit (1);
                        }
+
+                       /* clear this to avoid endless attempts to load the
+                          same session.
+                       */
+
+                       ARDOUR_COMMAND_LINE::session_name = "";
                }
        }
 
@@ -2779,22 +2873,12 @@ ARDOUR_UI::load_session (const std::string& path, const std::string& snap_name,
                                   Gtk::MESSAGE_INFO,
                                   BUTTONS_OK);
 
+               msg.set_keep_above (true);
                msg.set_title (_("Loading Error"));
-               msg.set_secondary_text (_("Click the Refresh button to try again."));
-               msg.add_button (Stock::REFRESH, 1);
                msg.set_position (Gtk::WIN_POS_CENTER);
                pop_back_splash (msg);
                msg.present ();
-
-               int response = msg.run ();
-
-               switch (response) {
-               case 1:
-                       break;
-               default:
-                       exit (1);
-               }
-
+               (void) msg.run ();
                msg.hide ();
 
                goto out;
@@ -2808,6 +2892,22 @@ ARDOUR_UI::load_session (const std::string& path, const std::string& snap_name,
                }
        }
 
+       if (!new_session->writable()) {
+               MessageDialog msg (_("This session has been opened in read-only mode.\n\nYou will not be able to record or save."),
+                                  true,
+                                  Gtk::MESSAGE_INFO,
+                                  BUTTONS_OK);
+               
+               msg.set_keep_above (true);
+               msg.set_title (_("Read-only Session"));
+               msg.set_position (Gtk::WIN_POS_CENTER);
+               pop_back_splash (msg);
+               msg.present ();
+               (void) msg.run ();
+               msg.hide ();
+       }
+       
+
        /* Now the session been created, add the transport controls */
        new_session->add_controllable(roll_controllable);
        new_session->add_controllable(stop_controllable);
@@ -2827,7 +2927,13 @@ ARDOUR_UI::load_session (const std::string& path, const std::string& snap_name,
                _session->set_clean ();
        }
 
+#ifdef WINDOWS_VST_SUPPORT
+       fst_stop_threading();
+#endif
        flush_pending ();
+#ifdef WINDOWS_VST_SUPPORT
+       fst_start_threading();
+#endif
        retval = 0;
 
   out:
@@ -3022,13 +3128,13 @@ require some unused files to continue to exist."));
                space_adjusted = rep.space;
        } else if (rep.space < 1000000) {
                bprefix = _("kilo");
-               space_adjusted = truncf((float)rep.space / 1000.0);
+               space_adjusted = floorf((float)rep.space / 1000.0);
        } else if (rep.space < 1000000 * 1000) {
                bprefix = _("mega");
-               space_adjusted = truncf((float)rep.space / (1000.0 * 1000.0));
+               space_adjusted = floorf((float)rep.space / (1000.0 * 1000.0));
        } else {
                bprefix = _("giga");
-               space_adjusted = truncf((float)rep.space / (1000.0 * 1000 * 1000.0));
+               space_adjusted = floorf((float)rep.space / (1000.0 * 1000 * 1000.0));
        }
 
        if (msg_delete) {
@@ -3164,6 +3270,57 @@ ARDOUR_UI::flush_trash ()
        display_cleanup_results (rep, _("deleted file"), true);
 }
 
+void
+ARDOUR_UI::setup_order_hint ()
+{
+       uint32_t order_hint = 0;
+
+       /*
+         we want the new routes to have their order keys set starting from 
+         the highest order key in the selection + 1 (if available).
+       */
+       if (add_route_dialog->get_transient_for () == mixer->get_toplevel()) {
+               for (RouteUISelection::iterator s = mixer->selection().routes.begin(); s != mixer->selection().routes.end(); ++s) {
+                       if ((*s)->route()->order_key() > order_hint) {
+                               order_hint = (*s)->route()->order_key();
+                       }
+               }
+
+               if (!mixer->selection().routes.empty()) {
+                       order_hint++;
+               }
+
+       } else {
+               for (TrackSelection::iterator s = editor->get_selection().tracks.begin(); s != editor->get_selection().tracks.end(); ++s) {
+                       RouteTimeAxisView* tav = dynamic_cast<RouteTimeAxisView*> (*s);
+                       if (tav && tav->route() && tav->route()->order_key() > order_hint) {
+                               order_hint = tav->route()->order_key();
+                       }
+               }
+
+               if (!editor->get_selection().tracks.empty()) {
+                       order_hint++;
+               }
+       }
+
+       _session->set_order_hint (order_hint);
+
+       /* create a gap in the existing route order keys to accomodate new routes.*/
+
+       boost::shared_ptr <RouteList> rd = _session->get_routes();
+       for (RouteList::iterator ri = rd->begin(); ri != rd->end(); ++ri) {
+               boost::shared_ptr<Route> rt (*ri);
+                       
+               if (rt->is_monitor()) {
+                       continue;
+               }
+
+               if (rt->order_key () >= order_hint) {
+                       rt->set_order_key (rt->order_key () + add_route_dialog->count());
+               }
+       }
+}
+
 void
 ARDOUR_UI::add_route (Gtk::Window* float_window)
 {
@@ -3179,6 +3336,7 @@ ARDOUR_UI::add_route (Gtk::Window* float_window)
        }
 
        if (float_window) {
+               add_route_dialog->unset_transient_for ();
                add_route_dialog->set_transient_for (*float_window);
        }
 
@@ -3198,11 +3356,9 @@ ARDOUR_UI::add_route (Gtk::Window* float_window)
                return;
        }
 
-       PBD::ScopedConnection idle_connection;
+       setup_order_hint();
 
-       if (count > 8) {
-               ARDOUR::GUIIdle.connect (idle_connection, MISSING_INVALIDATOR, boost::bind (&Gtkmm2ext::UI::flush_pending, this), gui_context());
-       }
+       PBD::ScopedConnection idle_connection;
 
        string template_path = add_route_dialog->track_template();
 
@@ -3253,7 +3409,7 @@ void
 ARDOUR_UI::stop_video_server (bool ask_confirm)
 {
        if (!video_server_process && ask_confirm) {
-               warning << _("Video-Server was not launched by Ardour. The request to stop it is ignored.") << endmsg;
+               warning << string_compose (_("Video-Server was not launched by %1. The request to stop it is ignored."), PROGRAM_NAME) << endmsg;
        }
        if (video_server_process) {
                if(ask_confirm) {
@@ -3319,16 +3475,24 @@ ARDOUR_UI::start_video_server (Gtk::Window* float_window, bool popup_msg)
                std::string icsd_docroot = video_server_dialog->get_docroot();
                if (icsd_docroot.empty()) {icsd_docroot = X_("/");}
 
-               struct stat sb;
-               if (!lstat (icsd_docroot.c_str(), &sb) == 0 || !S_ISDIR(sb.st_mode)) {
+               GStatBuf sb;
+               if (!g_lstat (icsd_docroot.c_str(), &sb) == 0 || !S_ISDIR(sb.st_mode)) {
                        warning << _("Specified docroot is not an existing directory.") << endmsg;
                        continue;
                }
-               if ( (!lstat (icsd_exec.c_str(), &sb) == 0)
+#ifndef PLATFORM_WINDOWS
+               if ( (!g_lstat (icsd_exec.c_str(), &sb) == 0)
                     || (sb.st_mode & (S_IXUSR|S_IXGRP|S_IXOTH)) == 0 ) {
                        warning << _("Given Video Server is not an executable file.") << endmsg;
                        continue;
                }
+#else
+               if ( (!g_lstat (icsd_exec.c_str(), &sb) == 0)
+                    || (sb.st_mode & (S_IXUSR)) == 0 ) {
+                       warning << _("Given Video Server is not an executable file.") << endmsg;
+                       continue;
+               }
+#endif
 
                char **argp;
                argp=(char**) calloc(9,sizeof(char*));
@@ -3364,7 +3528,7 @@ ARDOUR_UI::start_video_server (Gtk::Window* float_window, bool popup_msg)
                }
                int timeout = 120; // 6 sec
                while (!ARDOUR_UI::instance()->video_timeline->check_server()) {
-                       usleep (50000);
+                       Glib::usleep (50000);
                        if (--timeout <= 0 || !video_server_process->is_running()) break;
                }
                if (timeout <= 0) {
@@ -3435,7 +3599,8 @@ ARDOUR_UI::add_video (Gtk::Window* float_window)
                                if (!transcode_video_dialog->get_audiofile().empty()) {
                                        editor->embed_audio_from_video(
                                                        transcode_video_dialog->get_audiofile(),
-                                                       video_timeline->get_offset()
+                                                       video_timeline->get_offset(),
+                                                       (transcode_video_dialog->import_option() != VTL_IMPORT_NO_VIDEO)
                                                        );
                                }
                                switch (transcode_video_dialog->import_option()) {
@@ -3629,6 +3794,41 @@ quickly enough to keep up with recording.\n"), PROGRAM_NAME));
        }
 }
 
+void
+ARDOUR_UI::cancel_plugin_scan ()
+{
+       PluginManager::instance().cancel_plugin_scan();
+}
+
+static MessageDialog *scan_dlg = NULL;
+
+void
+ARDOUR_UI::plugin_scan_dialog (std::string type, std::string plugin)
+{
+       if (!Config->get_show_plugin_scan_window()) { return; }
+       if (!scan_dlg) {
+               scan_dlg = new MessageDialog("", false, MESSAGE_INFO, BUTTONS_NONE);
+               VBox* vbox = scan_dlg->get_vbox();
+               vbox->set_size_request(400,-1);
+               scan_dlg->set_title (_("Scanning for plugins"));
+
+               Gtk::Button *cancel_button = manage(new Gtk::Button(_("Cancel plugin scan")));
+               cancel_button->set_name ("EditorGTKButton");
+               cancel_button->signal_clicked().connect ( mem_fun (*this, &ARDOUR_UI::cancel_plugin_scan) );
+
+               scan_dlg->get_vbox()->pack_start ( *cancel_button, PACK_SHRINK);
+       }
+
+       if (type == X_("closeme")) {
+               scan_dlg->hide();
+       } else {
+               scan_dlg->set_message(type + ": " + Glib::path_get_basename(plugin));
+               scan_dlg->show_all();
+       }
+
+       gtk_main_iteration ();
+}
+
 void
 ARDOUR_UI::disk_underrun_handler ()
 {
@@ -3675,8 +3875,8 @@ ARDOUR_UI::session_dialog (std::string msg)
 int
 ARDOUR_UI::pending_state_dialog ()
 {
-       HBox* hbox = new HBox();
-       Image* image = new Image (Stock::DIALOG_QUESTION, ICON_SIZE_DIALOG);
+       HBox* hbox = manage (new HBox());
+       Image* image = manage (new Image (Stock::DIALOG_QUESTION, ICON_SIZE_DIALOG));
        ArdourDialog dialog (_("Crash Recovery"), true);
        Label  message (string_compose (_("\
 This session appears to have been in the\n\
@@ -3745,6 +3945,7 @@ ARDOUR_UI::disconnect_from_engine ()
        /* drop connection to AudioEngine::Halted so that we don't act
         *  as if the engine unexpectedly shut down
         */
+
        halt_connection.disconnect ();
        
        if (AudioEngine::instance()->stop ()) {
@@ -3763,8 +3964,13 @@ int
 ARDOUR_UI::reconnect_to_engine ()
 {
        if (AudioEngine::instance()->start ()) {
-               MessageDialog msg (*editor,  _("Could not reconnect to the Audio/MIDI engine"));
-               msg.run ();
+               if (editor) {
+                       MessageDialog msg (*editor,  _("Could not reconnect to the Audio/MIDI engine"));
+                       msg.run ();
+               } else {
+                       MessageDialog msg (_("Could not reconnect to the Audio/MIDI engine"));
+                       msg.run ();
+               }
                return -1;
        }
        
@@ -3985,7 +4191,7 @@ ARDOUR_UI::missing_file (Session*s, std::string str, DataType type)
 }
 
 int
-ARDOUR_UI::ambiguous_file (std::string file, std::string /*path*/, std::vector<std::string> hits)
+ARDOUR_UI::ambiguous_file (std::string file, std::vector<std::string> hits)
 {
        AmbiguousFileDialog dialog (file, hits);
 
@@ -4081,6 +4287,7 @@ int
 ARDOUR_UI::do_audio_midi_setup (uint32_t desired_sample_rate)
 {
        audio_midi_setup->set_desired_sample_rate (desired_sample_rate);
+       audio_midi_setup->set_position (WIN_POS_CENTER);
 
        switch (audio_midi_setup->run()) {
        case Gtk::RESPONSE_OK:
@@ -4091,3 +4298,5 @@ ARDOUR_UI::do_audio_midi_setup (uint32_t desired_sample_rate)
                return -1;
        }
 }
+
+