gtk/src/main.c

   1 /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */
   2 /*
   3  * main.c
   4  * Copyright (C) John Stebbins 2008 <stebbins@stebbins>
   5  *
   6  * main.c is free software.
   7  *
   8  * You may redistribute it and/or modify it under the terms of the
   9  * GNU General Public License, as published by the Free Software
  10  * Foundation; either version 2 of the License, or (at your option)
  11  * any later version.
  12  *
  13  * main.c is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  16  * See the GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with main.c.  If not, write to:
  20  *      The Free Software Foundation, Inc.,
  21  *      51 Franklin Street, Fifth Floor
  22  *      Boston, MA  02110-1301, USA.
  23  */
  24
  25 #include <sys/types.h>
  26 #include <sys/stat.h>
  27 #include <unistd.h>
  28 #include <string.h>
  29 #include <stdio.h>
  30 #include <stdlib.h>
  31 #include <fcntl.h>
  32
  33 #include <config.h>
  34
  35 #include <gtk/gtk.h>
  36 #include <glib/gstdio.h>
  37 #include <gio/gio.h>
  38 #include "renderer_button.h"
  39 #include "hb-backend.h"
  40 #include "ghb-dvd.h"
  41 #include "ghbcellrenderertext.h"
  42 #include "values.h"
  43 #include "icons.h"
  44 #include "callbacks.h"
  45 #include "settings.h"
  46 #include "resources.h"
  47 #include "presets.h"
  48
  49
  50 /*
  51  * Standard gettext macros.
  52  */
  53 #ifdef ENABLE_NLS
  54 #  include <libintl.h>
  55 #  undef _
  56 #  define _(String) dgettext (PACKAGE, String)
  57 #  ifdef gettext_noop
  58 #    define N_(String) gettext_noop (String)
  59 #  else
  60 #    define N_(String) (String)
  61 #  endif
  62 #else
  63 #  define textdomain(String) (String)
  64 #  define gettext(String) (String)
  65 #  define dgettext(Domain,Message) (Message)
  66 #  define dcgettext(Domain,Message,Type) (Message)
  67 #  define bindtextdomain(Domain,Directory) (Domain)
  68 #  define _(String) (String)
  69 #  define N_(String) (String)
  70 #endif
  71
  72
  73
  74 #define BUILDER_NAME "ghb"
  75
  76 GtkBuilder*
  77 create_builder_or_die(const gchar * name)
  78 {
  79         guint res;
  80         GValue *gval;
  81         const gchar *ghb_ui;
  82
  83     const gchar *markup =
  84         N_("<b><big>Unable to create %s.</big></b>\n"
  85         "\n"
  86         "Internal error. Could not parse UI description.\n");
  87         g_debug("create_builder_or_die ()\n");
  88         GtkBuilder *xml = gtk_builder_new();
  89         gval = ghb_resource_get("ghb-ui");
  90         ghb_ui = g_value_get_string(gval);
  91         if (xml != NULL)
  92                 res = gtk_builder_add_from_string(xml, ghb_ui, -1, NULL);
  93     if (!xml || !res)
  94         {
  95         GtkWidget *dialog = gtk_message_dialog_new_with_markup(NULL,
  96             GTK_DIALOG_MODAL,
  97             GTK_MESSAGE_ERROR,
  98             GTK_BUTTONS_CLOSE,
  99             _(markup),
 100             name);
 101         gtk_dialog_run(GTK_DIALOG(dialog));
 102         gtk_widget_destroy(dialog);
 103         exit(EXIT_FAILURE);
 104     }
 105     return xml;
 106 }
 107
 108 static GCallback
 109 self_symbol_lookup(const gchar * symbol_name)
 110 {
 111     static GModule *module = NULL;
 112     gpointer symbol = NULL;
 113
 114     if (!module)
 115         module = g_module_open(NULL, 0);
 116
 117     g_module_symbol(module, symbol_name, &symbol);
 118     return (GCallback) symbol;
 119 }
 120
 121
 122 static void
 123 MyConnect(
 124         GtkBuilder *builder,
 125         GObject *object,
 126         const gchar *signal_name,
 127         const gchar *handler_name,
 128         GObject *connect_object,
 129         GConnectFlags flags,
 130         gpointer user_data)
 131 {
 132         GCallback callback;
 133
 134     g_return_if_fail(object != NULL);
 135     g_return_if_fail(handler_name != NULL);
 136     g_return_if_fail(signal_name != NULL);
 137
 138         //const gchar *name = gtk_widget_get_name((GtkWidget*)object);
 139         //g_message("\n\nname %s", name);
 140         g_debug("handler_name %s", handler_name);
 141         g_debug("signal_name %s", signal_name);
 142     callback = self_symbol_lookup(handler_name);
 143     if (!callback)
 144         {
 145         g_message("Signal handler (%s) not found", handler_name);
 146         return;
 147     }
 148     if (connect_object)
 149         {
 150         g_signal_connect_object(object, signal_name, callback, connect_object, flags);
 151     }
 152     else
 153         {
 154         if (flags & G_CONNECT_AFTER)
 155                 {
 156             g_signal_connect_after( object, signal_name, callback, user_data);
 157                 }
 158         else
 159                 {
 160             g_signal_connect(object, signal_name, callback, user_data);
 161                 }
 162     }
 163 }
 164
 165 #if 0
 166 // If you should ever need to change the font for the running application..
 167 // Ugly but effective.
 168 void
 169 change_font(GtkWidget *widget, gpointer data)
 170 {
 171     PangoFontDescription *font_desc;
 172     gchar *font = (gchar*)data;
 173     const gchar *name;
 174
 175     font_desc = pango_font_description_from_string(font);
 176     if (font_desc == NULL) exit(1);
 177     gtk_widget_modify_font(widget, font_desc);
 178     name = gtk_widget_get_name(widget);
 179     g_debug("changing font for widget %s\n", name);
 180     if (GTK_IS_CONTAINER(widget))
 181     {
 182         gtk_container_foreach((GtkContainer*)widget, change_font, data);
 183     }
 184 }
 185     //gtk_container_foreach((GtkContainer*)window, change_font, "sans 20");
 186 #endif
 187
 188 extern void chapter_list_selection_changed_cb(void);
 189 extern void chapter_edited_cb(void);
 190 extern void chapter_keypress_cb(void);
 191
 192 // Create and bind the tree model to the tree view for the chapter list
 193 // Also, connect up the signal that lets us know the selection has changed
 194 static void
 195 bind_chapter_tree_model (signal_user_data_t *ud)
 196 {
 197         GtkCellRenderer *cell;
 198         GtkTreeViewColumn *column;
 199         GtkListStore *treestore;
 200         GtkTreeView  *treeview;
 201         GtkTreeSelection *selection;
 202
 203         g_debug("bind_chapter_tree_model ()\n");
 204         treeview = GTK_TREE_VIEW(GHB_WIDGET (ud->builder, "chapters_list"));
 205         selection = gtk_tree_view_get_selection (treeview);
 206         treestore = gtk_list_store_new(3, G_TYPE_INT, G_TYPE_STRING, G_TYPE_BOOLEAN);
 207         gtk_tree_view_set_model(treeview, GTK_TREE_MODEL(treestore));
 208
 209         cell = ghb_cell_renderer_text_new();
 210         column = gtk_tree_view_column_new_with_attributes(
 211                                                                         _("Chapter No."), cell, "text", 0, NULL);
 212     gtk_tree_view_append_column(treeview, GTK_TREE_VIEW_COLUMN(column));
 213
 214         cell = ghb_cell_renderer_text_new();
 215         column = gtk_tree_view_column_new_with_attributes(
 216                                         _("Chapter Title"), cell, "text", 1, "editable", 2, NULL);
 217     gtk_tree_view_append_column(treeview, GTK_TREE_VIEW_COLUMN(column));
 218
 219         g_signal_connect(cell, "key-press-event", chapter_keypress_cb, ud);
 220         g_signal_connect(cell, "edited", chapter_edited_cb, ud);
 221         g_signal_connect(selection, "changed", chapter_list_selection_changed_cb, ud);
 222         g_debug("Done\n");
 223 }
 224
 225 extern void queue_list_selection_changed_cb(void);
 226 extern void queue_remove_clicked_cb(void);
 227 extern void queue_list_size_allocate_cb(void);
 228
 229 // Create and bind the tree model to the tree view for the queue list
 230 // Also, connect up the signal that lets us know the selection has changed
 231 static void
 232 bind_queue_tree_model (signal_user_data_t *ud)
 233 {
 234         GtkCellRenderer *cell, *textcell;
 235         GtkTreeViewColumn *column;
 236         GtkTreeStore *treestore;
 237         GtkTreeView  *treeview;
 238         GtkTreeSelection *selection;
 239
 240         g_debug("bind_queue_tree_model ()\n");
 241         treeview = GTK_TREE_VIEW(GHB_WIDGET (ud->builder, "queue_list"));
 242         selection = gtk_tree_view_get_selection (treeview);
 243         treestore = gtk_tree_store_new(3, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING);
 244         gtk_tree_view_set_model(treeview, GTK_TREE_MODEL(treestore));
 245
 246         column = gtk_tree_view_column_new();
 247         gtk_tree_view_column_set_title (column, _("Job Information"));
 248         cell = gtk_cell_renderer_pixbuf_new();
 249         g_object_set(cell, "yalign", 0.0, NULL);
 250         gtk_tree_view_column_pack_start (column, cell, FALSE);
 251         gtk_tree_view_column_add_attribute (column, cell, "icon-name", 0);
 252         textcell = gtk_cell_renderer_text_new();
 253         g_object_set(textcell, "wrap-mode", PANGO_WRAP_CHAR, NULL);
 254         g_object_set(textcell, "wrap-width", 500, NULL);
 255         gtk_tree_view_column_pack_start (column, textcell, TRUE);
 256         gtk_tree_view_column_add_attribute (column, textcell, "markup", 1);
 257     gtk_tree_view_append_column(treeview, GTK_TREE_VIEW_COLUMN(column));
 258         gtk_tree_view_column_set_expand (column, TRUE);
 259         gtk_tree_view_column_set_max_width (column, 550);
 260
 261         cell = custom_cell_renderer_button_new();
 262         g_object_set(cell, "yalign", 0.0, NULL);
 263         column = gtk_tree_view_column_new_with_attributes(
 264                                                                         _(""), cell, "icon-name", 2, NULL);
 265         gtk_tree_view_column_set_min_width (column, 24);
 266     gtk_tree_view_append_column(treeview, GTK_TREE_VIEW_COLUMN(column));
 267
 268         g_signal_connect(selection, "changed", queue_list_selection_changed_cb, ud);
 269         g_signal_connect(cell, "clicked", queue_remove_clicked_cb, ud);
 270         g_signal_connect(treeview, "size-allocate", queue_list_size_allocate_cb, textcell);
 271 }
 272
 273 extern void audio_list_selection_changed_cb(void);
 274
 275 // Create and bind the tree model to the tree view for the audio track list
 276 // Also, connect up the signal that lets us know the selection has changed
 277 static void
 278 bind_audio_tree_model (signal_user_data_t *ud)
 279 {
 280         GtkCellRenderer *cell;
 281         GtkTreeViewColumn *column;
 282         GtkListStore *treestore;
 283         GtkTreeView  *treeview;
 284         GtkTreeSelection *selection;
 285         GtkWidget *widget;
 286
 287         g_debug("bind_audio_tree_model ()\n");
 288         treeview = GTK_TREE_VIEW(GHB_WIDGET (ud->builder, "audio_list"));
 289         selection = gtk_tree_view_get_selection (treeview);
 290         // 12 columns in model.  6 are visible, the other 6 are for storing
 291         // values that I need
 292         treestore = gtk_list_store_new(12, G_TYPE_STRING, G_TYPE_STRING,
 293                                                                    G_TYPE_STRING, G_TYPE_STRING,
 294                                                                    G_TYPE_STRING, G_TYPE_STRING,
 295                                                                    G_TYPE_STRING, G_TYPE_STRING,
 296                                                                    G_TYPE_STRING, G_TYPE_STRING,
 297                                                                    G_TYPE_STRING, G_TYPE_DOUBLE);
 298         gtk_tree_view_set_model(treeview, GTK_TREE_MODEL(treestore));
 299
 300         cell = gtk_cell_renderer_text_new();
 301         column = gtk_tree_view_column_new_with_attributes(
 302                                                                         _("Track"), cell, "text", 0, NULL);
 303     gtk_tree_view_append_column(treeview, GTK_TREE_VIEW_COLUMN(column));
 304
 305         cell = gtk_cell_renderer_text_new();
 306         column = gtk_tree_view_column_new_with_attributes(
 307                                                                         _("Codec"), cell, "text", 1, NULL);
 308     gtk_tree_view_append_column(treeview, GTK_TREE_VIEW_COLUMN(column));
 309
 310         cell = gtk_cell_renderer_text_new();
 311         column = gtk_tree_view_column_new_with_attributes(
 312                                                                         _("Bitrate"), cell, "text", 2, NULL);
 313     gtk_tree_view_append_column(treeview, GTK_TREE_VIEW_COLUMN(column));
 314
 315         cell = gtk_cell_renderer_text_new();
 316         column = gtk_tree_view_column_new_with_attributes(
 317                                                                         _("Sample Rate"), cell, "text", 3, NULL);
 318     gtk_tree_view_append_column(treeview, GTK_TREE_VIEW_COLUMN(column));
 319
 320         cell = gtk_cell_renderer_text_new();
 321         column = gtk_tree_view_column_new_with_attributes(
 322                                                                         _("Mix"), cell, "text", 4, NULL);
 323     gtk_tree_view_append_column(treeview, GTK_TREE_VIEW_COLUMN(column));
 324
 325         cell = gtk_cell_renderer_text_new();
 326         column = gtk_tree_view_column_new_with_attributes(
 327                                                                         _("DRC"), cell, "text", 5, NULL);
 328     gtk_tree_view_append_column(treeview, GTK_TREE_VIEW_COLUMN(column));
 329
 330         g_signal_connect(selection, "changed", audio_list_selection_changed_cb, ud);
 331         // Need to disable remove and update buttons since there are initially
 332         // no selections
 333         widget = GHB_WIDGET (ud->builder, "audio_remove");
 334         gtk_widget_set_sensitive(widget, FALSE);
 335         g_debug("Done\n");
 336 }
 337
 338 extern void presets_list_selection_changed_cb(void);
 339
 340 // Create and bind the tree model to the tree view for the preset list
 341 // Also, connect up the signal that lets us know the selection has changed
 342 static void
 343 bind_presets_tree_model (signal_user_data_t *ud)
 344 {
 345         GtkCellRenderer *cell;
 346         GtkTreeViewColumn *column;
 347         GtkListStore *treestore;
 348         GtkTreeView  *treeview;
 349         GtkTreeSelection *selection;
 350         GtkWidget *widget;
 351
 352         g_debug("bind_presets_tree_model ()\n");
 353         treeview = GTK_TREE_VIEW(GHB_WIDGET (ud->builder, "presets_list"));
 354         selection = gtk_tree_view_get_selection (treeview);
 355         treestore = gtk_list_store_new(5, G_TYPE_STRING, G_TYPE_INT, G_TYPE_INT,
 356                                                                    G_TYPE_STRING, G_TYPE_STRING);
 357         gtk_tree_view_set_model(treeview, GTK_TREE_MODEL(treestore));
 358
 359         cell = gtk_cell_renderer_text_new();
 360         column = gtk_tree_view_column_new_with_attributes(_("Preset Name"), cell,
 361                                         "text", 0, "weight", 1, "style", 2, "foreground", 3, NULL);
 362     gtk_tree_view_append_column(treeview, GTK_TREE_VIEW_COLUMN(column));
 363         gtk_tree_view_set_tooltip_column (treeview, 4);
 364         g_signal_connect(selection, "changed", presets_list_selection_changed_cb, ud);
 365         widget = GHB_WIDGET (ud->builder, "presets_remove");
 366         gtk_widget_set_sensitive(widget, FALSE);
 367         g_debug("Done\n");
 368 }
 369
 370 static void
 371 IoRedirect(signal_user_data_t *ud)
 372 {
 373         GIOChannel *channel;
 374         gint pfd[2];
 375
 376         // I'm opening a pipe and attaching the writer end to stderr
 377         // The reader end will be polled by main event loop and I'll get
 378         // a callback when there is data available.
 379         if (pipe( pfd ) < 0)
 380         {
 381                 g_warning("Failed to redirect IO. Logging impaired\n");
 382                 return;
 383         }
 384         // Open activity log.
 385         // TODO: Put this in the same directory as the encode destination
 386         ud->activity_log = g_io_channel_new_file ("Activity.log", "w", NULL);
 387         // Set encoding to raw.
 388         g_io_channel_set_encoding (ud->activity_log, NULL, NULL);
 389         stderr->_fileno = pfd[1];
 390         stdin->_fileno = pfd[0];
 391         channel = g_io_channel_unix_new (pfd[0]);
 392         // I was getting an this error:
 393         // "Invalid byte sequence in conversion input"
 394         // Set disable encoding on the channel.
 395         g_io_channel_set_encoding (channel, NULL, NULL);
 396         g_io_add_watch (channel, G_IO_IN, ghb_log_cb, (gpointer)ud );
 397 }
 398
 399 typedef struct
 400 {
 401         gchar *filename;
 402         gchar *iconname;
 403 } icon_map_t;
 404
 405 static gchar *dvd_device = NULL;
 406 static gchar *arg_preset = NULL;
 407
 408 static GOptionEntry entries[] =
 409 {
 410         { "device", 'd', 0, G_OPTION_ARG_FILENAME, &dvd_device, "The device or file to encode", NULL },
 411         { "preset", 'p', 0, G_OPTION_ARG_STRING, &arg_preset, "The preset values to use for encoding", NULL },
 412         { NULL }
 413 };
 414
 415 #if defined(__linux__)
 416 void drive_changed_cb(GVolumeMonitor *gvm, GDrive *gd, signal_user_data_t *ud);
 417 //void drive_disconnected_cb(GnomeVFSVolumeMonitor *gvm, GnomeVFSDrive *gd, signal_user_data_t *ud);
 418
 419 void
 420 watch_volumes(signal_user_data_t *ud)
 421 {
 422         GVolumeMonitor *gvm;
 423         gvm = g_volume_monitor_get ();
 424
 425         g_signal_connect(gvm, "drive-changed", (GCallback)drive_changed_cb, ud);
 426         //g_signal_connect(gvm, "drive-connected", (GCallback)drive_connected_cb, ud);
 427 }
 428 #else
 429 void
 430 watch_volumes(signal_user_data_t *ud)
 431 {
 432 }
 433 #endif
 434
 435 // Hack to avoid a segfault in libavcodec
 436 extern int mm_flags;
 437 int mm_support();
 438
 439 void x264_entry_changed_cb(GtkWidget *widget, signal_user_data_t *ud);
 440
 441 int
 442 main (int argc, char *argv[])
 443 {
 444         GtkWidget *window;
 445         signal_user_data_t *ud;
 446         gchar *preset;
 447         GError *error = NULL;
 448         GOptionContext *context;
 449
 450         mm_flags = mm_support();
 451 #ifdef ENABLE_NLS
 452         bindtextdomain (GETTEXT_PACKAGE, PACKAGE_LOCALE_DIR);
 453         bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
 454         textdomain (GETTEXT_PACKAGE);
 455 #endif
 456
 457         context = g_option_context_new ("- Rip and encode DVD or MPEG file");
 458         g_option_context_add_main_entries (context, entries, GETTEXT_PACKAGE);
 459         g_option_context_add_group (context, gtk_get_option_group (TRUE));
 460         g_option_context_parse (context, &argc, &argv, &error);
 461         g_option_context_free(context);
 462
 463         gtk_set_locale ();
 464         gtk_init (&argc, &argv);
 465         ghb_resource_init();
 466         ghb_load_icons();
 467
 468 #if defined(__linux__)
 469         ghb_hal_init();
 470 #endif
 471
 472         ud = g_malloc(sizeof(signal_user_data_t));
 473         ud->debug = FALSE;
 474         ud->cancel_encode = FALSE;
 475         g_log_set_handler (NULL, G_LOG_LEVEL_DEBUG, debug_log_handler, ud);
 476         ud->settings = ghb_settings_new();
 477         ud->queue = NULL;
 478         ud->current_job = NULL;
 479         ud->current_dvd_device = NULL;
 480         ud->dont_clear_presets = FALSE;
 481         // Redirect stderr to the activity window
 482         IoRedirect(ud);
 483         // Enable events that alert us to media change events
 484         watch_volumes (ud);
 485         ud->builder = create_builder_or_die (BUILDER_NAME);
 486         ghb_init_dep_map();
 487
 488         // Need to connect x264_options textview buffer to the changed signal
 489         // since it can't be done automatically
 490         GtkTextView *textview;
 491         GtkTextBuffer *buffer;
 492         textview = GTK_TEXT_VIEW(GHB_WIDGET (ud->builder, "x264_options"));
 493         buffer = gtk_text_view_get_buffer (textview);
 494         g_signal_connect(buffer, "changed", (GCallback)x264_entry_changed_cb, ud);
 495
 496         ghb_file_menu_add_dvd(ud);
 497         ghb_backend_init(ud->builder, 1, 0);
 498
 499         g_debug("ud %p\n", ud);
 500         g_debug("ud->builder %p\n", ud->builder);
 501
 502         bind_audio_tree_model(ud);
 503         bind_presets_tree_model(ud);
 504         bind_queue_tree_model(ud);
 505         bind_chapter_tree_model(ud);
 506         // Connect up the signals to their callbacks
 507         // I wrote my own connector so that I could pass user data
 508         // to the callbacks.  Builder's standard autoconnect doesn't all this.
 509         gtk_builder_connect_signals_full (ud->builder, MyConnect, ud);
 510
 511         // Load all internal settings
 512         ghb_settings_init(ud);
 513         // Load the presets files
 514         ghb_presets_load();
 515         ghb_prefs_load(ud);
 516
 517         // Start the show.
 518         window = GHB_WIDGET (ud->builder, "hb_window");
 519         gtk_widget_show (window);
 520
 521         ghb_prefs_to_ui(ud);
 522
 523         if (ghb_settings_get_boolean(ud->settings, "hbfd"))
 524         {
 525                 ghb_hbfd(ud, TRUE);
 526         }
 527         gboolean tweaks = ghb_settings_get_boolean(ud->settings, "allow_tweaks");
 528         GtkWidget *widget;
 529         widget = GHB_WIDGET(ud->builder, "deinterlace");
 530         tweaks ? gtk_widget_hide(widget) : gtk_widget_show(widget);
 531         widget = GHB_WIDGET(ud->builder, "tweak_deinterlace");
 532         !tweaks ? gtk_widget_hide(widget) : gtk_widget_show(widget);
 533
 534         widget = GHB_WIDGET(ud->builder, "denoise");
 535         tweaks ? gtk_widget_hide(widget) : gtk_widget_show(widget);
 536         widget = GHB_WIDGET(ud->builder, "tweak_denoise");
 537         !tweaks ? gtk_widget_hide(widget) : gtk_widget_show(widget);
 538
 539         gchar *source = ghb_settings_get_string(ud->settings, "default_source");
 540         ghb_dvd_set_current(source, ud);
 541         g_free(source);
 542
 543         // Parsing x264 options "" initializes x264 widgets to proper defaults
 544         ghb_x264_parse_options(ud, "");
 545
 546         // Populate the presets tree view
 547         ghb_presets_list_update(ud);
 548         // Get the first preset name
 549         if (arg_preset != NULL)
 550         {
 551                 ghb_select_preset(ud->builder, arg_preset);
 552         }
 553         else
 554         {
 555                 preset = ghb_settings_get_string (ud->settings, "default_preset");
 556                 ghb_select_preset(ud->builder, preset);
 557                 g_free(preset);
 558         }
 559
 560         // Grey out widgets that are dependent on a disabled feature
 561         ghb_check_all_depencencies (ud);
 562
 563         if (dvd_device != NULL)
 564         {
 565                 // Source overridden from command line option
 566                 ghb_settings_set_string(ud->settings, "source", dvd_device);
 567         }
 568         // Reload and check status of the last saved queue
 569         g_idle_add((GSourceFunc)ghb_reload_queue, ud);
 570         // Start timer for monitoring libhb status, 500ms
 571         g_timeout_add (500, ghb_timer_cb, (gpointer)ud);
 572         // Everything should be go-to-go.  Lets rock!
 573         gtk_main ();
 574         //I'd like to do this, but hb threads seem to persist for a while
 575         //so closing crashes :(
 576         ghb_backend_close();
 577         if (ud->queue)
 578                 ghb_value_free(ud->queue);
 579         ghb_value_free(ud->settings);
 580         g_io_channel_unref(ud->activity_log);
 581         ghb_settings_close();
 582         g_free(ud);
 583         return 0;
 584 }
 585