git.maemo.org Git - demorecorder/blob - src/DemoRecorder.vala

   1 /*  Demo Recorder for MAEMO 5
   2 *   Copyright (C) 2010 Dru Moore <usr@dru-id.co.uk>
   3 *   This program is free software; you can redistribute it and/or modify
   4 *   it under the terms of the GNU General Public License version 2,
   5 *   or (at your option) any later version, as published by the Free
   6 *   Software Foundation
   7 *
   8 *   This program is distributed in the hope that it will be useful,
   9 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 *   GNU General Public License for more details
  12 *
  13 *   You should have received a copy of the GNU General Public
  14 *   License along with this program; if not, write to the
  15 *   Free Software Foundation, Inc.,
  16 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  17 */
  18 namespace IdWorks {
  19
  20 public class DemoRecorder : Hildon.Program {
  21
  22   ApplicationSettings application_settings;
  23   Hildon.StackableWindow window;
  24   Gtk.VBox tracks;
  25   SettingsStructures.ProjectSettings project;
  26   bool project_dirty;
  27   EncodePipeline encodepipeline;
  28   PlayPipeline playpipeline;
  29   RecordPipeline recordpipeline;
  30   PlayerTransport player;
  31   MixerBin mixer;
  32   uint track_counter;
  33   bool recording;
  34   bool playing;
  35   bool encoding;
  36   uint screen_timer_id;
  37   uint playback_timer_id;
  38   uint recording_timer_id;
  39   uint encoding_timer_id;
  40   ulong recording_position_duration_id;
  41   Osso.Context osso_context;
  42   //int64 track_position;
  43   //int64 record_position;
  44   //int64 track_duration;
  45
  46   public signal void encoding_starting();
  47   public signal void encoding_started();
  48   public signal void encoding_ending();
  49   public signal void encoding_ended();
  50   public signal void recording_starting();
  51   public signal void recording_started();
  52   public signal void recording_ending();
  53   public signal void recording_ended();
  54   public signal void playback_starting();
  55   public signal void playback_started();
  56   public signal void playback_ending();
  57   public signal void playback_ended();
  58   public signal void playback_pausing();
  59   public signal void playback_paused();
  60   public signal void playback_resuming();
  61   public signal void playback_resumed();
  62   public signal void playback_position_duration(int64 position, int64 duration);
  63   public signal void recording_position_duration(int64 position, int64 duration);
  64   public signal void encoding_position_duration(int64 position, int64 duration);
  65
  66   public void playpipeline_position_duration_callback(Gst.Pipeline sender, int64 position, int64 duration) {
  67     playback_position_duration(position, duration);
  68     if (position >= duration) playback_time_elapsed();
  69   }
  70   public void recordpipeline_position_duration_callback(Gst.Pipeline sender, int64 position, int64 duration) {
  71     recording_position_duration(position, duration);
  72     if (0 < duration && position >= duration) recording_time_elapsed();
  73   }
  74   public void encodepipeline_position_duration_callback(Gst.Pipeline sender, int64 position, int64 duration) {
  75     encoding_position_duration(position, duration);
  76     if (position >= duration) encoding_time_elapsed();
  77   }
  78   private bool update_time_and_duration_play_pipeline() {
  79     playpipeline.get_duration_info();
  80     return true;
  81   }
  82   private bool update_time_and_duration_record_pipeline() {
  83     recordpipeline.get_duration_info();
  84     return true;
  85   }
  86   private bool update_time_and_duration_encode_pipeline() {
  87     encodepipeline.get_duration_info();
  88     return true;
  89   }
  90   private void recording_time_elapsed() {
  91     Source.remove(recording_timer_id);
  92     /*
  93     this should only ever fire for fixed time 'recording'
  94     i.e. bouncing or mixing tracks
  95     hence we can use it as a trigger
  96     */
  97   }
  98   private void encoding_time_elapsed() {
  99     Source.remove(encoding_timer_id);
 100     /*
 101     this should only ever fire for fixed time 'recording'
 102     i.e. bouncing or mixing tracks
 103     hence we can use it as a trigger
 104     */
 105   }
 106   private void playback_time_elapsed() {
 107     if (!this.recording) Source.remove(playback_timer_id);
 108   }
 109
 110   construct {
 111     osso_context = new Osso.Context("DemoRecorder", "0.1", false, null);
 112     project = SettingsStructures.ProjectSettings();
 113     recording = false;
 114     playing = false;
 115     track_counter = 0;
 116     window = new Hildon.StackableWindow();
 117     window.destroy.connect(Gtk.main_quit);
 118     window.delete_event.connect(on_delete_event);
 119     window.set_title("Demo Recorder");
 120     construct_menu();
 121     Gtk.VBox container = new Gtk.VBox(false, 0);
 122     Hildon.PannableArea scrollwin = new Hildon.PannableArea();
 123     tracks = new Gtk.VBox(false, 0);
 124     player = new PlayerTransport();
 125     player.window = this.window;
 126     this.playback_position_duration.connect(player.position_duration_callback);
 127     player.play_clicked.connect(mixer_play_all);
 128     player.pause_toggled.connect(mixer_pause);
 129     player.stop_clicked.connect(mixer_stop);
 130     player.volume_updated.connect(mixer_volume_updated);
 131     player.panorama_updated.connect(mixer_panorama_updated);
 132     player.eq_updated.connect(mixer_eq_updated);
 133     player.record_toggled.connect(mixer_record);
 134     container.pack_start(player, false, false, 0);
 135     scrollwin.add_with_viewport(tracks);
 136     container.pack_end(scrollwin, true, true, 0);
 137     window.add(container);
 138     mixer = new MixerBin("mixer");
 139     //playpipeline = new PlayPipeline("mixer");
 140   }
 141
 142   private void mixer_volume_updated(PlayerTransport sender, double volume) {
 143     mixer.set_volume(volume);
 144   }
 145
 146   private void mixer_panorama_updated(PlayerTransport sender, double panorama) {
 147     mixer.set_panorama(panorama);
 148   }
 149
 150   private void mixer_eq_updated(PlayerTransport sender, int band, double val) {
 151     mixer.set_eq(band, val);
 152   }
 153
 154   private bool keep_screen_on() {
 155     if (this.recording) {
 156       Osso.Status status = this.osso_context.display_blanking_pause();
 157       /*if (Osso.Status.OK == status) {
 158         stdout.printf("%s\n", "OK");
 159       }
 160       else if (Osso.Status.INVALID == status) {
 161         stdout.printf("%s\n", "INVALID");
 162       }
 163       else if (Osso.Status.ERROR == status) {
 164         stdout.printf("%s\n", "ERROR");
 165       }
 166       else {
 167         stdout.printf("%s\n", "UNKNOWN");
 168       }
 169       stdout.flush();*/
 170       return true;
 171     }
 172     else {
 173       Source.remove(screen_timer_id);
 174       return false;
 175     }
 176   }
 177
 178   private void mixer_play_all() {
 179     /// TODO clean up old mixer first?
 180     mixer = new MixerBin("mixer");
 181     int idx = 0;
 182     if (0 < project.tracks.length()) {
 183       this.playing = true;
 184 //       for (int i = 0; i < tracks.children.length(); ++i) {
 185 //         TrackTransport tt = tracks.children.nth_data(i) as TrackTransport;
 186 //         if (null != tt) {
 187 //           if (tt.get_active_state()) {
 188 //             stdout.printf("Track %s active and has been added\n", i.to_string());
 189 //             //track.bin.set_start_time((Gst.ClockTime)(Time.Nanoseconds.SECOND * idx));
 190 //             mixer.add_track(tt.track_bin);
 191 //           }
 192 //         }
 193 //         tt = null;
 194 //       }
 195        while (idx < project.tracks.length()) {
 196          Track track = project.tracks.nth_data(idx);
 197          if (track.active) {
 198            stdout.printf("Track %s active and has been added\n", idx.to_string());
 199            //track.bin.set_start_time((Gst.ClockTime)(Time.Nanoseconds.SECOND * idx));
 200            mixer.add_track(track.bin);
 201          }
 202          ++idx;
 203        }
 204       playpipeline = new PlayPipeline("player", mixer);
 205       this.playback_position_duration.connect(player.position_duration_callback);
 206       playpipeline.position_duration.connect(playpipeline_position_duration_callback);
 207       playback_starting();
 208       playpipeline.play();
 209       playback_started();
 210       update_time_and_duration_play_pipeline();
 211       if (0 != playback_timer_id) Source.remove(playback_timer_id);
 212       playback_timer_id = Timeout.add ((uint)Time.Milliseconds.SECOND / 10, update_time_and_duration_play_pipeline);
 213     }
 214     if (this.recording) {
 215       keep_screen_on();
 216       if (0 != screen_timer_id) Source.remove(screen_timer_id);
 217       screen_timer_id = Timeout.add ((uint)Time.Milliseconds.SECOND * 20, keep_screen_on);
 218       this.playback_position_duration.disconnect(player.position_duration_callback);
 219       this.recording_position_duration.connect(player.position_duration_callback);
 220       recordpipeline.position_duration.connect(recordpipeline_position_duration_callback);
 221       recording_starting();
 222       recordpipeline.record();
 223       recording_started();
 224       update_time_and_duration_record_pipeline();
 225       if (0 != recording_timer_id) Source.remove(recording_timer_id);
 226       recording_timer_id = Timeout.add ((uint)Time.Milliseconds.SECOND / 10, update_time_and_duration_record_pipeline);
 227     }
 228   }
 229
 230   private void mixer_play() {
 231     this.playing = true;
 232     playback_resuming();
 233     playpipeline.play();
 234     playback_resumed();
 235   }
 236
 237   private void mixer_pause(bool val) {
 238     if (val) {
 239       playback_pausing();
 240       playpipeline.pause();
 241       playback_paused();
 242     }
 243     else {
 244       playback_resuming();
 245       playpipeline.play();
 246       playback_resumed();
 247     }
 248   }
 249
 250   private void mixer_record(bool val) {
 251     if (val) {
 252       prepare_record();
 253     }
 254     else {
 255       this.recording = false;
 256     }
 257   }
 258
 259   private void mixer_stop() {
 260     if (this.recording) {
 261       recording_ending();
 262       this.recording = false;
 263       recordpipeline.stop();
 264       //this.import_track_from_uri(Filename.to_uri(recordpipeline.get_location()));
 265       Track track = Track.with_uri(Filename.to_uri(recordpipeline.get_location()), "Track-" + (project.last_track_number).to_string(), true, true, 1.0, 0.0);
 266       project.tracks.append(track);
 267       add_track_transport(track);
 268       recordpipeline = null;
 269       recording_ended();
 270     }
 271     if (this.playing) {
 272       playback_ending();
 273       playpipeline.stop();
 274       playpipeline = null;
 275       this.playing = false;
 276       playback_ended();
 277     }
 278     //stdout.flush();
 279   }
 280
 281   private void construct_menu() {
 282     Hildon.AppMenu menu = new Hildon.AppMenu();
 283     var btnNew  = new Gtk.Button.with_label("New project");
 284     btnNew.clicked.connect(new_project);
 285     menu.append(btnNew);
 286     var btnOpen  = new Gtk.Button.with_label("Open project");
 287     btnOpen.clicked.connect(open_project);
 288     menu.append(btnOpen);
 289     var btnSave  = new Gtk.Button.with_label("Save project");
 290     btnSave.clicked.connect(save_project);
 291     menu.append(btnSave);
 292     var btnImport  = new Gtk.Button.with_label("Import track");
 293     btnImport.clicked.connect(open_import);
 294     menu.append(btnImport);
 295     var btnStartACM  = new Gtk.Button.with_label("Input settings");
 296     btnStartACM.clicked.connect(start_acm);
 297     menu.append(btnStartACM);
 298     var btnBounce  = new Gtk.Button.with_label("Bounce tracks");
 299     btnBounce.clicked.connect(prepare_bounce);
 300     menu.append(btnBounce);
 301     var btnMixdown  = new Gtk.Button.with_label("Mixdown");
 302     btnMixdown.clicked.connect(prepare_mixdown);
 303     menu.append(btnMixdown);
 304     var btnSettings  = new Gtk.Button.with_label("Settings");
 305     btnSettings.clicked.connect(show_settings);
 306     menu.append(btnSettings);
 307     menu.show_all();
 308     window.set_app_menu(menu);
 309   }
 310   private void show_settings() {
 311     File settings = File.new_for_path(Environment.get_home_dir() + "/.demorecorder/settings.xml");
 312     string errors = "";
 313     FirstRunWizard dlg = new FirstRunWizard(window, "Demo Recorder");
 314     dlg.set_transient_for(window);
 315     dlg.app_settings = application_settings;
 316     dlg.run();
 317     application_settings = dlg.app_settings;
 318     bool saved = ApplicationSettings.save_settings(settings.get_path(), application_settings, ref errors);
 319     dlg.destroy();
 320     dlg = null;
 321   }
 322   private void new_project() {
 323     bool good = false;
 324     // is the current project dirty?
 325     if (project_dirty) {
 326       // run an are you sure dialog
 327       // Do you want to save your current project first? Yes, No, Cancel
 328       YesNoCancelDialog alert = new YesNoCancelDialog(window, "Save changes to current project?", "You have unsaved changes in your current project.\nWould you like to save them first?", Gtk.ResponseType.CANCEL);
 329       alert.set_transient_for(window);
 330       int ret = alert.run();
 331       alert.destroy();
 332       alert = null;
 333       // yes - save_project()
 334       if (Gtk.ResponseType.YES == ret) {
 335         save_project();
 336       }
 337       // cancel - return and do nothing
 338       else if (Gtk.ResponseType.CANCEL == ret || Gtk.ResponseType.NO != ret) {
 339         return;
 340       }
 341       // carry on and create_project()
 342     }
 343     ProjectSettingsDialog dlg = new ProjectSettingsDialog.with_values(window, "New project settings", "New project", "", "", application_settings.working_directory);
 344     dlg.set_transient_for(window);
 345     int ret = dlg.run();
 346     if (Gtk.ResponseType.OK == ret) {
 347       good = true;
 348       this.project = SettingsStructures.ProjectSettings();
 349       this.project.name = dlg.get_project_name();
 350       this.project.working_directory = dlg.get_project_directory();
 351       // ensure that the directories exist.
 352       DirUtils.create_with_parents(this.project.working_directory + "/tracks", 0755);
 353       DirUtils.create_with_parents(this.project.working_directory + "/mixes", 0755);
 354       DirUtils.create_with_parents(this.project.working_directory + "/tmp", 0755);
 355       this.project.location = dlg.get_project_filename();
 356       save_project();
 357     }
 358     dlg.destroy();
 359     dlg = null;
 360     if (good) {
 361       // Now should clean up the display in preparation for working on this new project.
 362       //load_project(this.project.location);
 363       application_settings.last_project_name = project.name;
 364       application_settings.last_project_location = project.location;
 365       window.set_title(project.name);
 366       remove_all_tracks();
 367     }
 368   }
 369
 370   private void open_project() {
 371     // is the current project dirty?
 372     if (project_dirty) {
 373       // run an are you sure dialog
 374       // Do you want to save your current project first? Yes, No, Cancel
 375       YesNoCancelDialog alert = new YesNoCancelDialog(window, "Save changes to current project?", "You have unsaved changes in your current project.\nWould you like to save them first?", Gtk.ResponseType.CANCEL);
 376       alert.set_transient_for(window);
 377       int ret = alert.run();
 378       alert.destroy();
 379       alert = null;
 380       // yes - save_project()
 381       if (Gtk.ResponseType.YES == ret) {
 382         save_project();
 383       }
 384       // cancel - return and do nothing
 385       else if (Gtk.ResponseType.CANCEL == ret || Gtk.ResponseType.NO != ret) {
 386         return;
 387       }
 388       // carry on and load_project()
 389     }
 390     // get a filename
 391     Hildon.FileChooserDialog file_chooser = new Hildon.FileChooserDialog(window, Gtk.FileChooserAction.OPEN);
 392     file_chooser.set_show_upnp(false);
 393     file_chooser.set_current_folder(application_settings.working_directory);
 394     int ret = file_chooser.run();
 395     if (Gtk.ResponseType.OK == ret) {
 396       load_project(file_chooser.get_filename());
 397     }
 398     file_chooser.destroy ();
 399     file_chooser = null;
 400   }
 401
 402   private void load_project(string location) {
 403     remove_all_tracks();
 404     project = SettingsStructures.ProjectSettings();
 405     string errors = "";
 406     if (XmlHelpers.parse_project_settings_file(location, "1.0", ref project, ref errors)) {
 407       // need to tear down and build up the interface again.
 408       // as a test let's save it for inspection
 409       //save_project_settings(project.location);
 410       /// TODO
 411       application_settings.last_project_name = project.name;
 412       application_settings.last_project_location = project.location;
 413       if (ApplicationSettings.save_settings(Environment.get_home_dir() + "/.demorecorder/settings.xml", application_settings, ref errors)) {
 414         window.set_title(project.name);
 415         for (int idx = 0; idx < project.tracks.length(); ++idx) {
 416           add_track_transport((Track)project.tracks.nth_data(idx));
 417         }
 418       }
 419       else {
 420         stdout.printf("%s\n", errors);
 421         stdout.flush();
 422       }
 423     }
 424     else {
 425       Hildon.Note note = new Hildon.Note.information(window, "Project couldn't be opened!\n%s".printf(errors));
 426       note.run();
 427       note.destroy();
 428       note = null;
 429     }
 430   }
 431
 432   private void remove_all_tracks() {
 433     List<Gtk.Widget> children = tracks.get_children();
 434     for (int idx = 0; idx < children.length(); ++idx) {
 435       tracks.remove((Gtk.Widget)children.nth_data(idx));
 436     }
 437     for (int idx = ((int)project.tracks.length()) - 1; idx > -1; --idx) {
 438       project.tracks.delete_link(project.tracks.nth(idx));
 439     }
 440   }
 441   private void remove_track_interactive(TrackTransport tt) {
 442     string message = "";
 443     string ns = "";
 444      switch(application_settings.remove_track_action) {
 445       case ApplicationSettings.RemoveTrackAction.DELETE_FILE:
 446         remove_track(tt);
 447         message = "Track deleted.";
 448         FileUtils.remove(Filename.from_uri(tt.track.uri, out ns));
 449         break;
 450       case ApplicationSettings.RemoveTrackAction.PRESERVE_FILE:
 451         remove_track(tt);
 452         message = "Track removed.";
 453         break;
 454       case ApplicationSettings.RemoveTrackAction.PROMPT:
 455         YesNoCancelDialog dlg = new YesNoCancelDialog(window, "Remove Track", "Do you want to delete the source file permanently?", Gtk.ResponseType.CANCEL);
 456         dlg.set_transient_for(window);
 457         int ret = dlg.run();
 458         dlg.destroy();
 459         if (Gtk.ResponseType.YES == ret) {
 460           remove_track(tt);
 461           message = "Track deleted.";
 462           FileUtils.remove(Filename.from_uri(tt.track.uri, out ns));
 463         }
 464         else if (Gtk.ResponseType.NO == ret) {
 465           remove_track(tt);
 466           message = "Track removed.";
 467         }
 468         break;
 469        default:
 470          break;
 471      }
 472     if ("" != message) {
 473       Hildon.Note note = new Hildon.Note.information(window, "%s".printf(message));
 474       note.run();
 475       note.destroy();
 476       note = null;
 477     }
 478   }
 479   private void remove_track(TrackTransport tt) {
 480     project.tracks.remove(tt.track);
 481     tracks.remove(tt);
 482     tt = null;
 483   }
 484
 485   private void save_project() {
 486     if (0 < project.location.length) {
 487       save_project_settings(project.location);
 488     }
 489     else {
 490       do_save_as_project();
 491     }
 492     //stdout.printf(project.to_xml_string());
 493   }
 494   private void do_save_as_project() {
 495     // get a filename
 496     Hildon.FileChooserDialog file_chooser = new Hildon.FileChooserDialog(window, Gtk.FileChooserAction.SAVE);
 497     file_chooser.set_show_upnp(false);
 498     int ret = file_chooser.run();
 499     if (Gtk.ResponseType.OK == ret) {
 500       project.location = file_chooser.get_filename();
 501       save_project_settings(project.location);
 502     }
 503     file_chooser.destroy ();
 504     file_chooser = null;
 505   }
 506   private void save_project_settings(string location) {
 507     bool success = false;
 508     Hildon.gtk_window_set_progress_indicator(window, (uint)true);
 509     string contents = project.to_xml_string();
 510     // should ask each ui element for it's updated settings to be on the safe side first.
 511     /// TODO
 512     if (0 < contents.length)
 513     {
 514       contents = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n" + contents;
 515       if (FileUtils.set_contents(location, contents, contents.length)) {
 516         project_dirty = false;
 517         // alert user of success? no!
 518         //Gtk.Widget banner = Hildon.Banner.show_information(window, null, "Project saved.");
 519         //((Hildon.Banner)banner).set_timeout((uint)Time.Milliseconds.SECOND);
 520       }
 521       else
 522       {
 523         // alert user of failure to save file.
 524         Hildon.Note alert = new Hildon.Note.information(window, "Project couldn't be saved!\nFailed to save the project settings file.");
 525         alert.run();
 526         alert.destroy();
 527         alert = null;
 528       }
 529     }
 530     else {
 531       // alert user of failure to create serialize settings.
 532       Hildon.Note alert = new Hildon.Note.information(window, "Project couldn't be saved!\nFailed to serialize the project settings.");
 533       alert.run();
 534       alert.destroy();
 535       alert = null;
 536     }
 537     Hildon.gtk_window_set_progress_indicator(window, (uint)false);
 538   }
 539
 540   private void start_acm() {
 541     AcmPopUp acm = new AcmPopUp.with_settings("Input Settings", window, project.monitor);
 542     acm.set_transient_for(window);
 543     acm.play();
 544     if (Gtk.ResponseType.OK == acm.run()) {
 545       project.monitor = acm.get_settings_structure();
 546       project_dirty = true;
 547     }
 548     acm.stop();
 549     acm.destroy();
 550     acm = null;
 551   }
 552
 553   private void prepare_mixdown() {
 554     MixdownPopUp dlg = new MixdownPopUp.with_settings("Mixdown your track", window, project.mixdown);
 555     dlg.set_transient_for(window);
 556     if (Gtk.ResponseType.OK == dlg.run()) {
 557       project.mixdown = dlg.get_settings_structure();
 558       project_dirty = true;
 559       do_mixdown();
 560     }
 561     dlg.destroy();
 562     dlg = null;
 563   }
 564
 565   private void do_mixdown() {
 566     Gst.Caps caps = new Gst.Caps.simple ("audio/x-raw-int",
 567                                          "rate", typeof (int), 48000,
 568                                          "channels", typeof (int), 2,
 569                                          "depth", typeof (int), 16);
 570     mixer = new MixerBin("mixer");
 571     int idx = 0;
 572     if (0 < project.tracks.length()) {
 573       while (idx < project.tracks.length()) {
 574         Track track = project.tracks.nth_data(idx);
 575         if (track.active) {
 576           mixer.add_track(track.bin);
 577         }
 578         ++idx;
 579       }
 580       this.recording = false;
 581       this.playing = false;
 582       Gst.Element? encoder = EncoderFactory.get_encoder_bin("encoder", project.mixdown.encoder, project.mixdown.quality, "artist=%s,title=%s,album=%s".printf(project.mixdown.artist, project.mixdown.title, project.mixdown.album));
 583       if (null != encoder) {
 584         encodepipeline = new EncodePipeline("mixdown", project.mixdown.location, mixer, encoder, caps);
 585         encodepipeline.position_duration.connect(encodepipeline_position_duration_callback);
 586         Hildon.gtk_window_set_progress_indicator(window, (uint)true);
 587         encoding_starting();
 588         encodepipeline.encode();
 589         encoding_started();
 590         update_time_and_duration_encode_pipeline();
 591         if (0 != recording_timer_id) Source.remove(encoding_timer_id);
 592         encoding_timer_id = Timeout.add ((uint)Time.Milliseconds.SECOND, update_time_and_duration_encode_pipeline);
 593         ProgressPopUp dlg = new ProgressPopUp("Mixing down", window);
 594         dlg.set_message("Mixing down your track.\nThis may take some time depending on the duration of the audio.\n");
 595         dlg.set_transient_for(window);
 596         this.encoding_position_duration.connect((p,d) => {
 597           double percent = ((double)(p / Time.Nanoseconds.MILLISECOND) / (double)(d / Time.Nanoseconds.MILLISECOND));
 598           dlg.set_progress(percent);
 599           dlg.set_progress_text("%s of %s completed".printf(Time.time_to_string(p), Time.time_to_string(d)));
 600           //if (p >= d) {
 601           //  dlg.close_me();
 602           //  this.mixer_stop();
 603           //}
 604         });
 605         encodepipeline.end_of_stream.connect((e) => {encoding_ending();dlg.close_me();encoding_time_elapsed();this.mixer_stop();encoding_ended();});
 606         if (Gtk.ResponseType.CANCEL == dlg.run()) {
 607           // Should really stop the mixer and delete the files!
 608           /// TODO
 609           this.mixer_stop();
 610         }
 611         dlg.destroy();
 612         dlg = null;
 613         //encoder = null;
 614         Hildon.gtk_window_set_progress_indicator(window, (uint)false);
 615         Gtk.Widget banner = Hildon.Banner.show_information(window, null, "Mixdown complete");
 616         ((Hildon.Banner)banner).set_timeout((uint)Time.Milliseconds.SECOND);
 617       }
 618       else {
 619         Gtk.Widget banner = Hildon.Banner.show_information(window, null, "Mixdown failed! Encoder not available.");
 620         ((Hildon.Banner)banner).set_timeout((uint)Time.Milliseconds.SECOND);
 621       }
 622     }
 623   }
 624
 625   private void prepare_bounce() {
 626     project.last_track_number++;
 627     string new_location = "%s/tracks/bounce-%s.wav".printf(project.working_directory, project.last_track_number.to_string());
 628     string name = "bounce-" + project.last_track_number.to_string();
 629     do_bounce(new_location);
 630   }
 631
 632   private void do_bounce(string filename) {
 633     Gst.Caps caps = new Gst.Caps.simple ("audio/x-raw-int",
 634                                          "rate", typeof (int), 48000,
 635                                          "channels", typeof (int), 2,
 636                                          "depth", typeof (int), 16);
 637     //Gst.Element src = Gst.ElementFactory.make("pulsesrc", "input");
 638     //src.set_property("device", "source.hw0");
 639     mixer = new MixerBin("mixer");
 640     int idx = 0;
 641     if (0 < project.tracks.length()) {
 642       while (idx < project.tracks.length()) {
 643         Track track = project.tracks.nth_data(idx);
 644         if (track.active) {
 645           mixer.add_track(track.bin);
 646         }
 647         ++idx;
 648       }
 649       this.recording = true;
 650       this.playing = false;
 651       recordpipeline = new RecordPipeline("bouncer", filename, mixer, caps, "wavenc");
 652       recordpipeline.bouncing = true;
 653       recordpipeline.position_duration.connect(recordpipeline_position_duration_callback);
 654       Hildon.gtk_window_set_progress_indicator(window, (uint)true);
 655       recording_starting();
 656       recordpipeline.record();
 657       recording_started();
 658       update_time_and_duration_record_pipeline();
 659       if (0 != recording_timer_id) Source.remove(recording_timer_id);
 660       recording_timer_id = Timeout.add ((uint)Time.Milliseconds.SECOND, update_time_and_duration_record_pipeline);
 661       ProgressPopUp dlg = new ProgressPopUp("Bouncing tracks", window);
 662       dlg.set_transient_for(window);
 663       dlg.set_message("Bouncing your selected tracks.\nThis may take some time depending on the duration of the audio.\n");
 664       this.recording_position_duration.connect((p,d) => {
 665         double percent = ((double)(p / Time.Nanoseconds.MILLISECOND) / (double)(d / Time.Nanoseconds.MILLISECOND));
 666         dlg.set_progress(percent);
 667         dlg.set_progress_text("%s of %s completed".printf(Time.time_to_string(p), Time.time_to_string(d)));
 668         if (p >= d) {
 669           dlg.close_me();
 670           this.mixer_stop();
 671           this.recording = false;
 672           if (0 != recording_timer_id) Source.remove(recording_timer_id);
 673         }
 674       });
 675       if (Gtk.ResponseType.CANCEL == dlg.run()) {
 676         // Should really stop the mixer and delete the files!
 677         /// TODO
 678         this.recording = false;
 679         this.mixer_stop();
 680       }
 681       dlg.destroy();
 682       dlg = null;
 683       Hildon.gtk_window_set_progress_indicator(window, (uint)false);
 684       Gtk.Widget banner = Hildon.Banner.show_information(window, null, "Bounced track added to mixer");
 685       ((Hildon.Banner)banner).set_timeout((uint)Time.Milliseconds.SECOND);
 686     }
 687   }
 688
 689   public void prepare_record() {
 690     project.last_track_number++;
 691     string new_location = "%s/tracks/track-%s.wav".printf(project.working_directory, project.last_track_number.to_string());
 692     string name = "Track-" + project.last_track_number.to_string();
 693     do_record(name, new_location);
 694   }
 695
 696   public void do_record(string name, string filename) {
 697     Gst.Caps caps = new Gst.Caps.simple ("audio/x-raw-int",
 698                                          "rate", typeof (int), 48000,
 699                                          "channels", typeof (int), 2,
 700                                          "depth", typeof (int), 16);
 701     InputBin src = new InputBin.with_settings("input", project.monitor.input);
 702     //Gst.Element src = Gst.ElementFactory.make("pulsesrc", "input");
 703     //src.set_property("device", "source.hw0");
 704     recordpipeline = new RecordPipeline("recorder", filename, src, caps, "wavenc");
 705     recordpipeline.bouncing = false;
 706     this.recording = true;
 707     //recordpipeline.record();
 708   }
 709
 710   public void open_import() {
 711     Hildon.FileChooserDialog file_chooser = new Hildon.FileChooserDialog(window, Gtk.FileChooserAction.OPEN);
 712     file_chooser.set_show_upnp(false);
 713     file_chooser.set_current_folder(application_settings.working_directory);
 714     if (file_chooser.run () == Gtk.ResponseType.OK) {
 715       import_track_from_uri(file_chooser.get_uri());
 716     }
 717     file_chooser.destroy ();
 718   }
 719
 720   public void import_track_from_uri(string uri) {
 721     /// TODO - Should become import track from uri and convert to wav and name appropriately
 722     ++project.last_track_number;
 723     project_dirty = true;
 724     Gst.Caps caps = new Gst.Caps.simple ("audio/x-raw-int",
 725                                          "rate", typeof (int), 48000,
 726                                          "channels", typeof (int), 2,
 727                                          "depth", typeof (int), 16);
 728     /// TODO check that directories exist
 729     string new_location = "%s/tracks/import-%s.wav".printf(project.working_directory, project.last_track_number.to_string());
 730     string name = "Import-" + project.last_track_number.to_string();
 731     ImportBin import_bin = new ImportBin(name);
 732     import_bin.set_uri(uri);
 733
 734     /// TODO encode to correct destination and add track
 735     this.recording = false;
 736     this.playing = false;
 737     recordpipeline = new RecordPipeline("importer", new_location, import_bin, caps, "wavenc");
 738     recordpipeline.bouncing = true;
 739     recordpipeline.position_duration.connect(recordpipeline_position_duration_callback);
 740     Hildon.gtk_window_set_progress_indicator(window, (uint)true);
 741     recording_starting();
 742     recordpipeline.record();
 743     recording_started();
 744     update_time_and_duration_record_pipeline();
 745     if (0 != recording_timer_id) Source.remove(recording_timer_id);
 746     recording_timer_id = Timeout.add ((uint)Time.Milliseconds.SECOND, update_time_and_duration_record_pipeline);
 747     ProgressPopUp dlg = new ProgressPopUp("Importing track", window);
 748     dlg.set_transient_for(window);
 749     dlg.set_message("Importing your selected track.\nThis may take some time depending on the duration of the audio.\n");
 750     this.recording_position_duration.connect((p,d) => {
 751       double percent = ((double)(p / Time.Nanoseconds.MILLISECOND) / (double)(d / Time.Nanoseconds.MILLISECOND));
 752       dlg.set_progress(percent);
 753       dlg.set_progress_text("%s of %s completed".printf(Time.time_to_string(p), Time.time_to_string(d)));
 754     });
 755     recordpipeline.end_of_stream.connect(() => {
 756       dlg.close_me();
 757       recordpipeline.stop();
 758       if (0 != recording_timer_id) Source.remove(recording_timer_id);
 759       Track track = Track.with_uri(Filename.to_uri(new_location), name, true, true, 1.0, 0.0);
 760       project.tracks.append(track);
 761       add_track_transport(track);
 762       this.recording = false;
 763     });
 764     if (Gtk.ResponseType.CANCEL == dlg.run()) {
 765       // Should really stop the mixer and delete the files!
 766       /// TODO
 767       //Track track = new Track.with_uri(Filename.to_uri(new_location), name, true, true, 1.0, 0.0);
 768       //project.tracks.append(track);
 769       //add_track_transport(track);
 770       recordpipeline.stop();
 771       this.recording = false;
 772     }
 773     dlg.destroy();
 774     dlg = null;
 775     Hildon.gtk_window_set_progress_indicator(window, (uint)false);
 776     Gtk.Widget banner = Hildon.Banner.show_information(window, null, "Imported track added to mixer");
 777     ((Hildon.Banner)banner).set_timeout((uint)Time.Milliseconds.SECOND);
 778   }
 779
 780   private void add_track_transport(Track track) {
 781     TrackTransport trackt = new TrackTransport();
 782     trackt.window = this.window;
 783     trackt.track_bin = track.bin;
 784     trackt.track = track;
 785     trackt.title = track.label; //"Track %n".printf(project.track.length());
 786     trackt.name = track.label;
 787     trackt.delete_clicked.connect((tt) => {this.remove_track_interactive(tt);});
 788     trackt.volume_updated.connect((volume) => {trackt.track_bin.set_volume(volume);});
 789     trackt.panorama_updated.connect((panorama) => {trackt.track_bin.set_panorama(panorama);});
 790     trackt.eq_updated.connect((band, val) => {trackt.track_bin.set_eq(band, val);});
 791     trackt.echo_max_delay_updated.connect((val) => {trackt.track_bin.set_echo_max_delay(val);});
 792     trackt.echo_delay_updated.connect((val) => {trackt.track_bin.set_echo_delay(val);});
 793     trackt.echo_feedback_updated.connect((val) => {trackt.track_bin.set_echo_feedback(val);});
 794     trackt.echo_intensity_updated.connect((val) => {trackt.track_bin.set_echo_intensity(val);});
 795     trackt.echo_toggled.connect((val) => {trackt.track_bin.set_echo_active(val);});
 796     trackt.dynamics_mode_updated.connect((val) => {trackt.track_bin.set_dynamics_mode(val);});
 797     trackt.dynamics_characteristics_updated.connect((val) => {trackt.track_bin.set_dynamics_characteristics(val);});
 798     trackt.dynamics_ratio_updated.connect((val) => {trackt.track_bin.set_dynamics_ratio(val);});
 799     trackt.dynamics_threshold_updated.connect((val) => {trackt.track_bin.set_dynamics_threshold(val);});
 800     trackt.dynamics_toggled.connect((val) => {trackt.track_bin.set_dynamics_active(val);});
 801     trackt.active_toggled.connect((val) => {trackt.track.active = val;});
 802     this.playback_starting.connect(trackt.playback_starting_callback);
 803     this.playback_ending.connect(trackt.playback_ending_callback);
 804     this.recording_starting.connect(trackt.recording_starting_callback);
 805     this.recording_ending.connect(trackt.recording_ending_callback);
 806     trackt.set_active_state(track.active);
 807     tracks.pack_start(trackt, false, false, 4);
 808     tracks.show_all();
 809   }
 810
 811   public void run() {
 812     window.show_all();
 813
 814     application_settings = new ApplicationSettings();
 815     bool first_run = true;
 816     string settings_path = "";
 817     string errors = "";
 818     File settings;
 819     // can we get at our settings file?
 820     File home_dir = File.new_for_path (Environment.get_home_dir());
 821     // do we have a .demorecorder dir
 822     File app_dir = File.new_for_path(home_dir.get_path() + "/.demorecorder");
 823     if (app_dir.query_exists(null)) {
 824       // now check for the existence of the settings file_chooser
 825       settings = File.new_for_path(app_dir.get_path() + "/settings.xml");
 826       if (settings.query_exists(null)) {
 827         first_run = false;
 828       }
 829       else {
 830         // if not assume first run and show settings wizard
 831       }
 832     }
 833     else {
 834       int dir_ret = DirUtils.create_with_parents(app_dir.get_path(), 0755);
 835     }
 836     settings = File.new_for_path(app_dir.get_path() + "/settings.xml");
 837     if (first_run) {
 838       // create and save settings
 839       /// TODO
 840       FirstRunWizard dlg = new FirstRunWizard(window, "Demo Recorder");
 841       dlg.set_transient_for(window);
 842       dlg.run();
 843       application_settings = dlg.app_settings;
 844       bool saved = ApplicationSettings.save_settings(settings.get_path(), application_settings, ref errors);
 845       dlg.destroy();
 846       dlg = null;
 847     }
 848     // may as well load the settings now
 849     application_settings = ApplicationSettings.load_settings(settings.get_path(), "1.0", out errors);
 850     if (null == application_settings) {
 851       // this is major, bail for now
 852       Gtk.Widget banner = Hildon.Banner.show_information(window, null, "Failed to create settings!\n%s\nQuiting application.".printf(errors));
 853       ((Hildon.Banner)banner).set_timeout((uint)Time.Milliseconds.SECOND * 2);
 854       stdout.printf(errors + "\n");
 855       stdout.flush();
 856       window.destroy();
 857       exit(-1);
 858     }
 859     bool has_last_project = (0 < application_settings.last_project_location.length);
 860     // we have either old or new settings
 861     if (has_last_project) {
 862       switch(application_settings.open_action) {
 863         case ApplicationSettings.OpenAction.RECENT_PROJECTS:
 864           // show recent projects dialog
 865           /// TODO
 866           load_project(application_settings.last_project_location);
 867           break;
 868         case ApplicationSettings.OpenAction.NAMED_PROJECT:
 869           if (0 < application_settings.named_project_location.length) {
 870             load_project(application_settings.named_project_location);
 871           }
 872           else {
 873             // show recent projects dialog
 874             /// TODO
 875             load_project(application_settings.last_project_location);
 876           }
 877           break;
 878         case ApplicationSettings.OpenAction.LAST_PROJECT:
 879           load_project(application_settings.last_project_location);
 880           break;
 881         default:
 882           new_project();
 883           break;
 884       }
 885     }
 886     else {
 887       new_project();
 888     }
 889
 890     Gtk.main();
 891   }
 892
 893   private bool on_delete_event() {
 894     bool ret = false;
 895     // do we have a dirty project?
 896     if (project_dirty) {
 897       // what should we do?
 898       switch(application_settings.close_action) {
 899         case ApplicationSettings.CloseAction.AUTO_SAVE_PROJECT:
 900           save_project();
 901           ret = project_dirty;
 902           break;
 903         case ApplicationSettings.CloseAction.PROMPT_SAVE_PROJECT:
 904           YesNoCancelDialog alert = new YesNoCancelDialog(window, "Save changes to current project?", "You have unsaved changes in your current project.\nWould you like to save them first?", Gtk.ResponseType.CANCEL);
 905           alert.set_transient_for(window);
 906           int yn_ret = alert.run();
 907           alert.destroy();
 908           alert = null;
 909           // yes - save_project()
 910           if (Gtk.ResponseType.YES == yn_ret) {
 911             save_project();
 912             ret = project_dirty;
 913             break;
 914           }
 915           // cancel - return and do nothing
 916           else if (Gtk.ResponseType.NO == yn_ret) {
 917             ret = false;
 918             break;
 919           }
 920           else { //(Gtk.ResponseType.CANCEL != ret) {
 921             ret = true;
 922             break;
 923           }
 924         default: // DO_NOTHING
 925           ret = false;
 926           break;
 927       }
 928     }
 929     return ret;
 930   }
 931
 932 }
 933
 934 }