src/tools/dcpomatic_player.cc

   1 /*
   2     Copyright (C) 2017-2018 Carl Hetherington <cth@carlh.net>
   3
   4     This file is part of DCP-o-matic.
   5
   6     DCP-o-matic is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     DCP-o-matic is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 */
  20
  21 #include "wx/wx_signal_manager.h"
  22 #include "wx/wx_util.h"
  23 #include "wx/about_dialog.h"
  24 #include "wx/report_problem_dialog.h"
  25 #include "wx/film_viewer.h"
  26 #include "wx/player_information.h"
  27 #include "wx/update_dialog.h"
  28 #include "wx/player_config_dialog.h"
  29 #include "wx/verify_dcp_dialog.h"
  30 #include "wx/standard_controls.h"
  31 #include "wx/swaroop_controls.h"
  32 #include "lib/cross.h"
  33 #include "lib/config.h"
  34 #include "lib/util.h"
  35 #include "lib/internet.h"
  36 #include "lib/update_checker.h"
  37 #include "lib/compose.hpp"
  38 #include "lib/dcp_content.h"
  39 #include "lib/job_manager.h"
  40 #include "lib/job.h"
  41 #include "lib/film.h"
  42 #include "lib/null_log.h"
  43 #include "lib/video_content.h"
  44 #include "lib/text_content.h"
  45 #include "lib/ratio.h"
  46 #include "lib/verify_dcp_job.h"
  47 #include "lib/dcp_examiner.h"
  48 #include "lib/examine_content_job.h"
  49 #include "lib/server.h"
  50 #include "lib/dcpomatic_socket.h"
  51 #include "lib/scoped_temporary.h"
  52 #include "lib/monitor_checker.h"
  53 #include "lib/lock_file_checker.h"
  54 #include "lib/ffmpeg_content.h"
  55 #include "lib/dcpomatic_log.h"
  56 #include <dcp/dcp.h>
  57 #include <dcp/raw_convert.h>
  58 #include <dcp/exceptions.h>
  59 #include <wx/wx.h>
  60 #include <wx/stdpaths.h>
  61 #include <wx/splash.h>
  62 #include <wx/cmdline.h>
  63 #include <wx/preferences.h>
  64 #include <wx/progdlg.h>
  65 #include <wx/display.h>
  66 #ifdef __WXOSX__
  67 #include <ApplicationServices/ApplicationServices.h>
  68 #endif
  69 #include <boost/bind.hpp>
  70 #include <iostream>
  71
  72 #ifdef check
  73 #undef check
  74 #endif
  75
  76 #define MAX_CPLS 32
  77
  78 using std::string;
  79 using std::cout;
  80 using std::list;
  81 using std::exception;
  82 using std::vector;
  83 using boost::shared_ptr;
  84 using boost::weak_ptr;
  85 using boost::scoped_array;
  86 using boost::optional;
  87 using boost::dynamic_pointer_cast;
  88 using boost::thread;
  89 using boost::bind;
  90
  91 enum {
  92         ID_file_open = 1,
  93         ID_file_add_ov,
  94         ID_file_add_kdm,
  95         ID_file_history,
  96         /* Allow spare IDs after _history for the recent files list */
  97         ID_file_close = 100,
  98         ID_view_cpl,
  99         /* Allow spare IDs for CPLs */
 100         ID_view_full_screen = 200,
 101         ID_view_dual_screen,
 102         ID_view_closed_captions,
 103         ID_view_scale_appropriate,
 104         ID_view_scale_full,
 105         ID_view_scale_half,
 106         ID_view_scale_quarter,
 107         ID_help_report_a_problem,
 108         ID_tools_verify,
 109         ID_tools_check_for_updates,
 110         /* IDs for shortcuts (with no associated menu item) */
 111         ID_start_stop,
 112         ID_back_frame,
 113         ID_forward_frame
 114 };
 115
 116 class DOMFrame : public wxFrame
 117 {
 118 public:
 119         DOMFrame ()
 120                 : wxFrame (0, -1, _("DCP-o-matic Player"))
 121                 , _dual_screen (0)
 122                 , _update_news_requested (false)
 123                 , _info (0)
 124                 , _mode (Config::instance()->player_mode())
 125                 , _config_dialog (0)
 126                 , _file_menu (0)
 127                 , _history_items (0)
 128                 , _history_position (0)
 129                 , _history_separator (0)
 130                 , _view_full_screen (0)
 131                 , _view_dual_screen (0)
 132         {
 133                 dcpomatic_log.reset (new NullLog());
 134
 135 #if defined(DCPOMATIC_WINDOWS)
 136                 maybe_open_console ();
 137                 cout << "DCP-o-matic Player is starting." << "\n";
 138 #endif
 139
 140                 wxMenuBar* bar = new wxMenuBar;
 141                 setup_menu (bar);
 142                 set_menu_sensitivity ();
 143                 SetMenuBar (bar);
 144
 145 #ifdef DCPOMATIC_WINDOWS
 146                 SetIcon (wxIcon (std_to_wx ("id")));
 147 #endif
 148
 149                 _config_changed_connection = Config::instance()->Changed.connect (boost::bind (&DOMFrame::config_changed, this, _1));
 150                 update_from_config ();
 151
 152                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_open, this), ID_file_open);
 153                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_ov, this), ID_file_add_ov);
 154                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_kdm, this), ID_file_add_kdm);
 155                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_history, this, _1), ID_file_history, ID_file_history + HISTORY_SIZE);
 156                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_close, this), ID_file_close);
 157                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this), wxID_EXIT);
 158                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this), wxID_PREFERENCES);
 159                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_full_screen, this), ID_view_full_screen);
 160                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_dual_screen, this), ID_view_dual_screen);
 161                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_closed_captions, this), ID_view_closed_captions);
 162                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_cpl, this, _1), ID_view_cpl, ID_view_cpl + MAX_CPLS);
 163                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(0)), ID_view_scale_full);
 164                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(1)), ID_view_scale_half);
 165                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(2)), ID_view_scale_quarter);
 166                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this), wxID_ABOUT);
 167                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this), ID_help_report_a_problem);
 168                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_verify, this), ID_tools_verify);
 169                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_check_for_updates, this), ID_tools_check_for_updates);
 170
 171                 /* Use a panel as the only child of the Frame so that we avoid
 172                    the dark-grey background on Windows.
 173                 */
 174                 _overall_panel = new wxPanel (this, wxID_ANY);
 175
 176                 _viewer.reset (new FilmViewer (_overall_panel));
 177 #ifdef DCPOMATIC_VARIANT_SWAROOP
 178                 SwaroopControls* sc = new SwaroopControls (_overall_panel, _viewer);
 179                 _controls = sc;
 180                 sc->ResetFilm.connect (bind(&DOMFrame::reset_film_weak, this, _1));
 181 #else
 182                 _controls = new StandardControls (_overall_panel, _viewer, false);
 183 #endif
 184                 _viewer->set_dcp_decode_reduction (Config::instance()->decode_reduction ());
 185                 _viewer->PlaybackPermitted.connect (bind(&DOMFrame::playback_permitted, this));
 186                 _viewer->Started.connect (bind(&DOMFrame::playback_started, this, _1));
 187                 _viewer->Seeked.connect (bind(&DOMFrame::playback_seeked, this, _1));
 188                 _viewer->Stopped.connect (bind(&DOMFrame::playback_stopped, this, _1));
 189 #ifdef DCPOMATIC_VARIANT_SWAROOP
 190                 _viewer->PositionChanged.connect (bind(&DOMFrame::position_changed, this));
 191 #endif
 192                 _info = new PlayerInformation (_overall_panel, _viewer);
 193                 setup_main_sizer (Config::instance()->player_mode());
 194 #ifdef __WXOSX__
 195                 int accelerators = 4;
 196 #else
 197                 int accelerators = 3;
 198 #endif
 199
 200                 wxAcceleratorEntry* accel = new wxAcceleratorEntry[accelerators];
 201                 accel[0].Set(wxACCEL_NORMAL, WXK_SPACE, ID_start_stop);
 202                 accel[1].Set(wxACCEL_NORMAL, WXK_LEFT, ID_back_frame);
 203                 accel[2].Set(wxACCEL_NORMAL, WXK_RIGHT, ID_forward_frame);
 204 #ifdef __WXOSX__
 205                 accel[3].Set(wxACCEL_CTRL, static_cast<int>('W'), ID_file_close);
 206 #endif
 207                 wxAcceleratorTable accel_table (accelerators, accel);
 208                 SetAcceleratorTable (accel_table);
 209                 delete[] accel;
 210
 211                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::start_stop_pressed, this), ID_start_stop);
 212                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::back_frame, this), ID_back_frame);
 213                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::forward_frame, this), ID_forward_frame);
 214
 215                 reset_film ();
 216
 217                 UpdateChecker::instance()->StateChanged.connect (boost::bind (&DOMFrame::update_checker_state_changed, this));
 218 #ifdef DCPOMATIC_VARIANT_SWAROOP
 219                 MonitorChecker::instance()->StateChanged.connect(boost::bind(&DOMFrame::monitor_checker_state_changed, this));
 220                 MonitorChecker::instance()->run ();
 221                 LockFileChecker::instance()->StateChanged.connect(boost::bind(&DOMFrame::lock_checker_state_changed, this));
 222                 LockFileChecker::instance()->run ();
 223 #endif
 224                 setup_screen ();
 225
 226 #ifdef DCPOMATIC_VARIANT_SWAROOP
 227                 if (
 228                         boost::filesystem::is_regular_file(Config::path("position")) &&
 229                         boost::filesystem::is_regular_file(Config::path("spl.xml"))) {
 230
 231                         shared_ptr<Film> film (new Film(boost::optional<boost::filesystem::path>()));
 232                         film->read_metadata (Config::path("spl.xml"));
 233                         reset_film (film);
 234                         FILE* f = fopen_boost (Config::path("position"), "r");
 235                         if (f) {
 236                                 char buffer[64];
 237                                 fscanf (f, "%63s", buffer);
 238                                 _viewer->seek (DCPTime(atoi(buffer)), true);
 239                                 _viewer->start ();
 240                                 fclose (f);
 241                         }
 242                 }
 243
 244 #endif
 245         }
 246
 247         void position_changed ()
 248         {
 249                 if (!_viewer->playing() || _viewer->position().get() % DCPTime::HZ) {
 250                         return;
 251                 }
 252
 253                 FILE* f = fopen_boost (Config::path("position"), "w");
 254                 if (f) {
 255                         string const p = dcp::raw_convert<string> (_viewer->position().get());
 256                         fwrite (p.c_str(), p.length(), 1, f);
 257                         fclose (f);
 258                 }
 259         }
 260
 261 #ifdef DCPOMATIC_VARIANT_SWAROOP
 262         void monitor_checker_state_changed ()
 263         {
 264                 if (!MonitorChecker::instance()->ok()) {
 265                         _viewer->stop ();
 266                         error_dialog (this, _("The required display devices are not connected correctly."));
 267                 }
 268         }
 269
 270         void lock_checker_state_changed ()
 271         {
 272                 if (!LockFileChecker::instance()->ok()) {
 273                         _viewer->stop ();
 274                         error_dialog (this, _("The lock file is not present."));
 275                 }
 276         }
 277 #endif
 278
 279         void setup_main_sizer (Config::PlayerMode mode)
 280         {
 281                 wxSizer* main_sizer = new wxBoxSizer (wxVERTICAL);
 282                 if (mode != Config::PLAYER_MODE_DUAL) {
 283                         main_sizer->Add (_viewer->panel(), 1, wxEXPAND | wxALIGN_CENTER_VERTICAL);
 284                 }
 285                 main_sizer->Add (_controls, mode == Config::PLAYER_MODE_DUAL ? 1 : 0, wxEXPAND | wxALL, 6);
 286                 main_sizer->Add (_info, 0, wxEXPAND | wxALL, 6);
 287                 _overall_panel->SetSizer (main_sizer);
 288                 _overall_panel->Layout ();
 289         }
 290
 291         bool playback_permitted ()
 292         {
 293 #ifdef DCPOMATIC_VARIANT_SWAROOP
 294                 if (!MonitorChecker::instance()->ok()) {
 295                         error_dialog (this, _("The required display devices are not connected correctly."));
 296                         return false;
 297                 }
 298                 if (!LockFileChecker::instance()->ok()) {
 299                         error_dialog (this, _("The lock file is not present."));
 300                         return false;
 301                 }
 302 #endif
 303                 if (!_film || !Config::instance()->respect_kdm_validity_periods()) {
 304                         return true;
 305                 }
 306
 307                 bool ok = true;
 308                 BOOST_FOREACH (shared_ptr<Content> i, _film->content()) {
 309                         shared_ptr<DCPContent> d = dynamic_pointer_cast<DCPContent>(i);
 310                         if (d && !d->kdm_timing_window_valid()) {
 311                                 ok = false;
 312                         }
 313                 }
 314
 315                 if (!ok) {
 316                         error_dialog (this, _("The KDM does not allow playback of this content at this time."));
 317                 }
 318
 319                 return ok;
 320         }
 321
 322         void playback_started (DCPTime time)
 323         {
 324                 optional<boost::filesystem::path> log = Config::instance()->player_log_file();
 325                 if (!log) {
 326                         return;
 327                 }
 328
 329                 FILE* f = fopen_boost(*log, "a");
 330
 331                 /* XXX: this only logs the first piece of content; probably should be each piece? */
 332
 333                 shared_ptr<DCPContent> dcp = dynamic_pointer_cast<DCPContent>(_film->content().front());
 334                 if (dcp) {
 335                         DCPExaminer ex (dcp);
 336                         shared_ptr<dcp::CPL> playing_cpl;
 337                         BOOST_FOREACH (shared_ptr<dcp::CPL> i, ex.cpls()) {
 338                                 if (!dcp->cpl() || i->id() == *dcp->cpl()) {
 339                                         playing_cpl = i;
 340                                 }
 341                         }
 342                         DCPOMATIC_ASSERT (playing_cpl);
 343
 344                         fprintf (
 345                                 f,
 346                                 "%s playback-started %s %s %s\n",
 347                                 dcp::LocalTime().as_string().c_str(),
 348                                 time.timecode(_film->video_frame_rate()).c_str(),
 349                                 dcp->directories().front().string().c_str(),
 350                                 playing_cpl->annotation_text().c_str()
 351                                 );
 352                 }
 353
 354                 shared_ptr<FFmpegContent> ffmpeg = dynamic_pointer_cast<FFmpegContent>(_film->content().front());
 355                 if (ffmpeg) {
 356                         fprintf (
 357                                 f,
 358                                 "%s playback-started %s %s\n",
 359                                 dcp::LocalTime().as_string().c_str(),
 360                                 time.timecode(_film->video_frame_rate()).c_str(),
 361                                 ffmpeg->path(0).string().c_str()
 362                                 );
 363                 }
 364
 365                 fclose (f);
 366         }
 367
 368         void playback_seeked (DCPTime time)
 369         {
 370                 optional<boost::filesystem::path> log = Config::instance()->player_log_file();
 371                 if (!log) {
 372                         return;
 373                 }
 374
 375                 FILE* f = fopen_boost(*log, "a");
 376                 fprintf (f, "%s playback-seeked %s\n", dcp::LocalTime().as_string().c_str(), time.timecode(_film->video_frame_rate()).c_str());
 377                 fclose (f);
 378         }
 379
 380         void playback_stopped (DCPTime time)
 381         {
 382 #ifdef DCPOMATIC_VARIANT_SWAROOP
 383                 try {
 384                         boost::filesystem::remove (Config::path("position"));
 385                 } catch (...) {
 386                         /* Never mind */
 387                 }
 388 #endif
 389
 390                 optional<boost::filesystem::path> log = Config::instance()->player_log_file();
 391                 if (!log) {
 392                         return;
 393                 }
 394
 395                 FILE* f = fopen_boost(*log, "a");
 396                 fprintf (f, "%s playback-stopped %s\n", dcp::LocalTime().as_string().c_str(), time.timecode(_film->video_frame_rate()).c_str());
 397                 fclose (f);
 398         }
 399
 400         void set_decode_reduction (optional<int> reduction)
 401         {
 402                 _viewer->set_dcp_decode_reduction (reduction);
 403                 _info->triggered_update ();
 404                 Config::instance()->set_decode_reduction (reduction);
 405         }
 406
 407         void load_dcp (boost::filesystem::path dir)
 408         {
 409                 DCPOMATIC_ASSERT (_film);
 410
 411                 reset_film ();
 412                 try {
 413                         shared_ptr<DCPContent> dcp (new DCPContent(dir));
 414                         _film->examine_and_add_content (dcp);
 415                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 416                         if (!ok || !report_errors_from_last_job(this)) {
 417                                 return;
 418                         }
 419                         Config::instance()->add_to_player_history (dir);
 420                 } catch (dcp::DCPReadError& e) {
 421                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 422                 }
 423         }
 424
 425 #ifdef DCPOMATIC_VARIANT_SWAROOP
 426         optional<dcp::EncryptedKDM> get_kdm_from_url (shared_ptr<DCPContent> dcp)
 427         {
 428                 ScopedTemporary temp;
 429                 string url = Config::instance()->kdm_server_url();
 430                 boost::algorithm::replace_all (url, "{CPL}", *dcp->cpl());
 431                 optional<dcp::EncryptedKDM> kdm;
 432                 if (dcp->cpl() && !get_from_url(url, false, temp)) {
 433                         try {
 434                                 kdm = dcp::EncryptedKDM (dcp::file_to_string(temp.file()));
 435                                 if (kdm->cpl_id() != dcp->cpl()) {
 436                                         kdm = boost::none;
 437                                 }
 438                         } catch (std::exception& e) {
 439                                 /* Hey well */
 440                         }
 441                 }
 442                 return kdm;
 443         }
 444 #endif
 445
 446         optional<dcp::EncryptedKDM> get_kdm_from_directory (shared_ptr<DCPContent> dcp)
 447         {
 448                 using namespace boost::filesystem;
 449                 optional<path> kdm_dir = Config::instance()->player_kdm_directory();
 450                 if (!kdm_dir) {
 451                         return optional<dcp::EncryptedKDM>();
 452                 }
 453                 for (directory_iterator i = directory_iterator(*kdm_dir); i != directory_iterator(); ++i) {
 454                         try {
 455                                 if (file_size(i->path()) < MAX_KDM_SIZE) {
 456                                         dcp::EncryptedKDM kdm (dcp::file_to_string(i->path()));
 457                                         if (kdm.cpl_id() == dcp->cpl()) {
 458                                                 return kdm;
 459                                         }
 460                                 }
 461                         } catch (std::exception& e) {
 462                                 /* Hey well */
 463                         }
 464                 }
 465                 return optional<dcp::EncryptedKDM>();
 466         }
 467
 468         void reset_film_weak (weak_ptr<Film> weak_film)
 469         {
 470                 shared_ptr<Film> film = weak_film.lock ();
 471                 if (film) {
 472                         reset_film (film);
 473                 }
 474         }
 475
 476         void reset_film (shared_ptr<Film> film = shared_ptr<Film>(new Film(optional<boost::filesystem::path>())))
 477         {
 478                 _film = film;
 479                 _viewer->set_film (_film);
 480                 _controls->set_film (_film);
 481                 _film->Change.connect (bind(&DOMFrame::film_changed, this, _1, _2));
 482                 _info->triggered_update ();
 483         }
 484
 485         void film_changed (ChangeType type, Film::Property property)
 486         {
 487                 if (type != CHANGE_TYPE_DONE || property != Film::CONTENT) {
 488                         return;
 489                 }
 490
 491                 _film->write_metadata (Config::path("spl.xml"));
 492
 493                 if (_viewer->playing ()) {
 494                         _viewer->stop ();
 495                 }
 496
 497                 /* Start off as Flat */
 498                 _film->set_container (Ratio::from_id("185"));
 499
 500                 BOOST_FOREACH (shared_ptr<Content> i, _film->content()) {
 501                         shared_ptr<DCPContent> dcp = dynamic_pointer_cast<DCPContent>(i);
 502                         if (dcp && dcp->needs_kdm()) {
 503                                 optional<dcp::EncryptedKDM> kdm;
 504 #ifdef DCPOMATIC_VARIANT_SWAROOP
 505                                 kdm = get_kdm_from_url (dcp);
 506 #endif
 507                                 if (!kdm) {
 508                                         kdm = get_kdm_from_directory (dcp);
 509                                 }
 510
 511                                 if (kdm) {
 512                                         dcp->add_kdm (*kdm);
 513                                         dcp->examine (_film, shared_ptr<Job>());
 514                                 }
 515                         }
 516
 517                         BOOST_FOREACH (shared_ptr<TextContent> j, i->text) {
 518                                 j->set_use (true);
 519                         }
 520
 521                         if (i->video) {
 522                                 Ratio const * r = Ratio::nearest_from_ratio(i->video->size().ratio());
 523                                 if (r->id() == "239") {
 524                                         /* Any scope content means we use scope */
 525                                         _film->set_container(r);
 526                                 }
 527                         }
 528
 529                         /* Any 3D content means we use 3D mode */
 530                         if (i->video && i->video->frame_type() != VIDEO_FRAME_TYPE_2D) {
 531                                 _film->set_three_d (true);
 532                         }
 533                 }
 534
 535                 _viewer->seek (DCPTime(), true);
 536                 _info->triggered_update ();
 537
 538                 set_menu_sensitivity ();
 539
 540                 wxMenuItemList old = _cpl_menu->GetMenuItems();
 541                 for (wxMenuItemList::iterator i = old.begin(); i != old.end(); ++i) {
 542                         _cpl_menu->Remove (*i);
 543                 }
 544
 545                 if (_film->content().size() == 1) {
 546                         /* Offer a CPL menu */
 547                         shared_ptr<DCPContent> first = dynamic_pointer_cast<DCPContent>(_film->content().front());
 548                         if (first) {
 549                                 DCPExaminer ex (first);
 550                                 int id = ID_view_cpl;
 551                                 BOOST_FOREACH (shared_ptr<dcp::CPL> i, ex.cpls()) {
 552                                         wxMenuItem* j = _cpl_menu->AppendRadioItem(
 553                                                 id,
 554                                                 wxString::Format("%s (%s)", std_to_wx(i->annotation_text()).data(), std_to_wx(i->id()).data())
 555                                                 );
 556                                         j->Check(!first->cpl() || i->id() == *first->cpl());
 557                                         ++id;
 558                                 }
 559                         }
 560                 }
 561         }
 562
 563 private:
 564
 565         void setup_menu (wxMenuBar* m)
 566         {
 567                 _file_menu = new wxMenu;
 568                 _file_menu->Append (ID_file_open, _("&Open...\tCtrl-O"));
 569                 _file_add_ov = _file_menu->Append (ID_file_add_ov, _("&Add OV..."));
 570                 _file_add_kdm = _file_menu->Append (ID_file_add_kdm, _("&Add KDM..."));
 571
 572                 _history_position = _file_menu->GetMenuItems().GetCount();
 573
 574                 _file_menu->AppendSeparator ();
 575                 _file_menu->Append (ID_file_close, _("&Close"));
 576                 _file_menu->AppendSeparator ();
 577
 578 #ifdef __WXOSX__
 579                 _file_menu->Append (wxID_EXIT, _("&Exit"));
 580 #else
 581                 _file_menu->Append (wxID_EXIT, _("&Quit"));
 582 #endif
 583
 584 #ifdef __WXOSX__
 585                 wxMenuItem* prefs = _file_menu->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 586 #else
 587                 wxMenu* edit = new wxMenu;
 588                 wxMenuItem* prefs = edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 589 #endif
 590
 591                 prefs->Enable (Config::instance()->have_write_permission());
 592
 593                 _cpl_menu = new wxMenu;
 594
 595                 wxMenu* view = new wxMenu;
 596                 optional<int> c = Config::instance()->decode_reduction();
 597                 _view_cpl = view->Append(ID_view_cpl, _("CPL"), _cpl_menu);
 598                 view->AppendSeparator();
 599 #ifndef DCPOMATIC_VARIANT_SWAROOP
 600                 _view_full_screen = view->AppendCheckItem(ID_view_full_screen, _("Full screen\tF11"));
 601                 _view_dual_screen = view->AppendCheckItem(ID_view_dual_screen, _("Dual screen\tShift+F11"));
 602 #endif
 603                 setup_menu ();
 604                 view->AppendSeparator();
 605                 view->Append(ID_view_closed_captions, _("Closed captions..."));
 606                 view->AppendSeparator();
 607                 view->AppendRadioItem(ID_view_scale_appropriate, _("Set decode resolution to match display"))->Check(!static_cast<bool>(c));
 608                 view->AppendRadioItem(ID_view_scale_full, _("Decode at full resolution"))->Check(c && c.get() == 0);
 609                 view->AppendRadioItem(ID_view_scale_half, _("Decode at half resolution"))->Check(c && c.get() == 1);
 610                 view->AppendRadioItem(ID_view_scale_quarter, _("Decode at quarter resolution"))->Check(c && c.get() == 2);
 611
 612                 wxMenu* tools = new wxMenu;
 613                 _tools_verify = tools->Append (ID_tools_verify, _("Verify DCP"));
 614                 tools->AppendSeparator ();
 615                 tools->Append (ID_tools_check_for_updates, _("Check for updates"));
 616
 617                 wxMenu* help = new wxMenu;
 618 #ifdef __WXOSX__
 619                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 620 #else
 621                 help->Append (wxID_ABOUT, _("About"));
 622 #endif
 623                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 624
 625                 m->Append (_file_menu, _("&File"));
 626 #ifndef __WXOSX__
 627                 m->Append (edit, _("&Edit"));
 628 #endif
 629                 m->Append (view, _("&View"));
 630                 m->Append (tools, _("&Tools"));
 631                 m->Append (help, _("&Help"));
 632         }
 633
 634         void file_open ()
 635         {
 636                 wxString d = wxStandardPaths::Get().GetDocumentsDir();
 637                 if (Config::instance()->last_player_load_directory()) {
 638                         d = std_to_wx (Config::instance()->last_player_load_directory()->string());
 639                 }
 640
 641                 wxDirDialog* c = new wxDirDialog (this, _("Select DCP to open"), d, wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST);
 642
 643                 int r;
 644                 while (true) {
 645                         r = c->ShowModal ();
 646                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 647                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 648                         } else {
 649                                 break;
 650                         }
 651                 }
 652
 653                 if (r == wxID_OK) {
 654                         boost::filesystem::path const dcp (wx_to_std (c->GetPath ()));
 655                         load_dcp (dcp);
 656                         Config::instance()->set_last_player_load_directory (dcp.parent_path());
 657                 }
 658
 659                 c->Destroy ();
 660         }
 661
 662         void file_add_ov ()
 663         {
 664                 wxDirDialog* c = new wxDirDialog (
 665                         this,
 666                         _("Select DCP to open as OV"),
 667                         wxStandardPaths::Get().GetDocumentsDir(),
 668                         wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST
 669                         );
 670
 671                 int r;
 672                 while (true) {
 673                         r = c->ShowModal ();
 674                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 675                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 676                         } else {
 677                                 break;
 678                         }
 679                 }
 680
 681                 if (r == wxID_OK) {
 682                         DCPOMATIC_ASSERT (_film);
 683                         shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
 684                         DCPOMATIC_ASSERT (dcp);
 685                         dcp->add_ov (wx_to_std(c->GetPath()));
 686                         JobManager::instance()->add(shared_ptr<Job>(new ExamineContentJob (_film, dcp)));
 687                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 688                         if (!ok || !report_errors_from_last_job(this)) {
 689                                 return;
 690                         }
 691                         BOOST_FOREACH (shared_ptr<TextContent> i, dcp->text) {
 692                                 i->set_use (true);
 693                         }
 694                         if (dcp->video) {
 695                                 Ratio const * r = Ratio::nearest_from_ratio(dcp->video->size().ratio());
 696                                 if (r) {
 697                                         _film->set_container(r);
 698                                 }
 699                         }
 700                 }
 701
 702                 c->Destroy ();
 703                 _info->triggered_update ();
 704         }
 705
 706         void file_add_kdm ()
 707         {
 708                 wxFileDialog* d = new wxFileDialog (this, _("Select KDM"));
 709
 710                 if (d->ShowModal() == wxID_OK) {
 711                         DCPOMATIC_ASSERT (_film);
 712                         shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
 713                         DCPOMATIC_ASSERT (dcp);
 714                         try {
 715                                 dcp->add_kdm (dcp::EncryptedKDM (dcp::file_to_string (wx_to_std (d->GetPath ()), MAX_KDM_SIZE)));
 716                                 dcp->examine (_film, shared_ptr<Job>());
 717                         } catch (exception& e) {
 718                                 error_dialog (this, wxString::Format (_("Could not load KDM.")), std_to_wx(e.what()));
 719                                 d->Destroy ();
 720                                 return;
 721                         }
 722                 }
 723
 724                 d->Destroy ();
 725                 _info->triggered_update ();
 726         }
 727
 728         void file_history (wxCommandEvent& event)
 729         {
 730                 vector<boost::filesystem::path> history = Config::instance()->player_history ();
 731                 int n = event.GetId() - ID_file_history;
 732                 if (n >= 0 && n < static_cast<int> (history.size ())) {
 733                         load_dcp (history[n]);
 734                 }
 735         }
 736
 737         void file_close ()
 738         {
 739                 reset_film ();
 740                 _info->triggered_update ();
 741                 set_menu_sensitivity ();
 742         }
 743
 744         void file_exit ()
 745         {
 746                 Close ();
 747         }
 748
 749         void edit_preferences ()
 750         {
 751                 if (!Config::instance()->have_write_permission()) {
 752                         return;
 753                 }
 754
 755                 if (!_config_dialog) {
 756                         _config_dialog = create_player_config_dialog ();
 757                 }
 758                 _config_dialog->Show (this);
 759         }
 760
 761         void view_cpl (wxCommandEvent& ev)
 762         {
 763                 shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
 764                 DCPOMATIC_ASSERT (dcp);
 765                 DCPExaminer ex (dcp);
 766                 int id = ev.GetId() - ID_view_cpl;
 767                 DCPOMATIC_ASSERT (id >= 0);
 768                 DCPOMATIC_ASSERT (id < int(ex.cpls().size()));
 769                 list<shared_ptr<dcp::CPL> > cpls = ex.cpls();
 770                 list<shared_ptr<dcp::CPL> >::iterator i = cpls.begin();
 771                 while (id > 0) {
 772                         ++i;
 773                         --id;
 774                 }
 775
 776                 dcp->set_cpl ((*i)->id());
 777                 dcp->examine (_film, shared_ptr<Job>());
 778         }
 779
 780         void view_full_screen ()
 781         {
 782                 if (_mode == Config::PLAYER_MODE_FULL) {
 783                         _mode = Config::PLAYER_MODE_WINDOW;
 784                 } else {
 785                         _mode = Config::PLAYER_MODE_FULL;
 786                 }
 787                 setup_screen ();
 788                 setup_menu ();
 789         }
 790
 791         void view_dual_screen ()
 792         {
 793                 if (_mode == Config::PLAYER_MODE_DUAL) {
 794                         _mode = Config::PLAYER_MODE_WINDOW;
 795                 } else {
 796                         _mode = Config::PLAYER_MODE_DUAL;
 797                 }
 798                 setup_screen ();
 799                 setup_menu ();
 800         }
 801
 802         void setup_menu ()
 803         {
 804                 if (_view_full_screen) {
 805                         _view_full_screen->Check (_mode == Config::PLAYER_MODE_FULL);
 806                 }
 807                 if (_view_dual_screen) {
 808                         _view_dual_screen->Check (_mode == Config::PLAYER_MODE_DUAL);
 809                 }
 810         }
 811
 812         void setup_screen ()
 813         {
 814                 _controls->Show (_mode != Config::PLAYER_MODE_FULL);
 815                 _info->Show (_mode != Config::PLAYER_MODE_FULL);
 816                 _overall_panel->SetBackgroundColour (_mode == Config::PLAYER_MODE_FULL ? wxColour(0, 0, 0) : wxNullColour);
 817                 ShowFullScreen (_mode == Config::PLAYER_MODE_FULL);
 818                 _viewer->set_pad_black (_mode != Config::PLAYER_MODE_WINDOW);
 819
 820                 if (_mode == Config::PLAYER_MODE_DUAL) {
 821                         _dual_screen = new wxFrame (this, wxID_ANY, wxT(""));
 822                         _dual_screen->SetBackgroundColour (wxColour(0, 0, 0));
 823                         _dual_screen->ShowFullScreen (true);
 824                         _viewer->panel()->Reparent (_dual_screen);
 825                         _dual_screen->Show ();
 826                         if (wxDisplay::GetCount() > 1) {
 827                                 switch (Config::instance()->image_display()) {
 828                                 case 0:
 829                                         _dual_screen->Move (0, 0);
 830                                         Move (wxDisplay(0).GetClientArea().GetWidth(), 0);
 831                                         break;
 832                                 case 1:
 833                                         _dual_screen->Move (wxDisplay(0).GetClientArea().GetWidth(), 0);
 834                                         // (0, 0) doesn't seem to work for some strange reason
 835                                         Move (8, 8);
 836                                         break;
 837                                 }
 838                         }
 839                 } else {
 840                         if (_dual_screen) {
 841                                 _viewer->panel()->Reparent (_overall_panel);
 842                                 _dual_screen->Destroy ();
 843                                 _dual_screen = 0;
 844                         }
 845                 }
 846
 847                 setup_main_sizer (_mode);
 848         }
 849
 850         void view_closed_captions ()
 851         {
 852                 _viewer->show_closed_captions ();
 853         }
 854
 855         void tools_verify ()
 856         {
 857                 shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
 858                 DCPOMATIC_ASSERT (dcp);
 859
 860                 JobManager* jm = JobManager::instance ();
 861                 jm->add (shared_ptr<Job> (new VerifyDCPJob (dcp->directories())));
 862                 bool const ok = display_progress (_("DCP-o-matic Player"), _("Verifying DCP"));
 863                 if (!ok) {
 864                         return;
 865                 }
 866
 867                 DCPOMATIC_ASSERT (!jm->get().empty());
 868                 shared_ptr<VerifyDCPJob> last = dynamic_pointer_cast<VerifyDCPJob> (jm->get().back());
 869                 DCPOMATIC_ASSERT (last);
 870
 871                 VerifyDCPDialog* d = new VerifyDCPDialog (this, last);
 872                 d->ShowModal ();
 873                 d->Destroy ();
 874         }
 875
 876         void tools_check_for_updates ()
 877         {
 878                 UpdateChecker::instance()->run ();
 879                 _update_news_requested = true;
 880         }
 881
 882         void help_about ()
 883         {
 884                 AboutDialog* d = new AboutDialog (this);
 885                 d->ShowModal ();
 886                 d->Destroy ();
 887         }
 888
 889         void help_report_a_problem ()
 890         {
 891                 ReportProblemDialog* d = new ReportProblemDialog (this);
 892                 if (d->ShowModal () == wxID_OK) {
 893                         d->report ();
 894                 }
 895                 d->Destroy ();
 896         }
 897
 898         void update_checker_state_changed ()
 899         {
 900                 UpdateChecker* uc = UpdateChecker::instance ();
 901
 902                 bool const announce =
 903                         _update_news_requested ||
 904                         (uc->stable() && Config::instance()->check_for_updates()) ||
 905                         (uc->test() && Config::instance()->check_for_updates() && Config::instance()->check_for_test_updates());
 906
 907                 _update_news_requested = false;
 908
 909                 if (!announce) {
 910                         return;
 911                 }
 912
 913                 if (uc->state() == UpdateChecker::YES) {
 914                         UpdateDialog* dialog = new UpdateDialog (this, uc->stable (), uc->test ());
 915                         dialog->ShowModal ();
 916                         dialog->Destroy ();
 917                 } else if (uc->state() == UpdateChecker::FAILED) {
 918                         error_dialog (this, _("The DCP-o-matic download server could not be contacted."));
 919                 } else {
 920                         error_dialog (this, _("There are no new versions of DCP-o-matic available."));
 921                 }
 922
 923                 _update_news_requested = false;
 924         }
 925
 926         void config_changed (Config::Property prop)
 927         {
 928                 /* Instantly save any config changes when using the player GUI */
 929                 try {
 930                         Config::instance()->write_config();
 931                 } catch (FileError& e) {
 932                         if (prop != Config::HISTORY) {
 933                                 error_dialog (
 934                                         this,
 935                                         wxString::Format(
 936                                                 _("Could not write to config file at %s.  Your changes have not been saved."),
 937                                                 std_to_wx(e.file().string())
 938                                                 )
 939                                         );
 940                         }
 941                 } catch (exception& e) {
 942                         error_dialog (
 943                                 this,
 944                                 _("Could not write to config file.  Your changes have not been saved.")
 945                                 );
 946                 }
 947
 948                 update_from_config ();
 949         }
 950
 951         void update_from_config ()
 952         {
 953                 for (int i = 0; i < _history_items; ++i) {
 954                         delete _file_menu->Remove (ID_file_history + i);
 955                 }
 956
 957                 if (_history_separator) {
 958                         _file_menu->Remove (_history_separator);
 959                 }
 960                 delete _history_separator;
 961                 _history_separator = 0;
 962
 963                 int pos = _history_position;
 964
 965                 vector<boost::filesystem::path> history = Config::instance()->player_history ();
 966
 967                 if (!history.empty ()) {
 968                         _history_separator = _file_menu->InsertSeparator (pos++);
 969                 }
 970
 971                 for (size_t i = 0; i < history.size(); ++i) {
 972                         string s;
 973                         if (i < 9) {
 974                                 s = String::compose ("&%1 %2", i + 1, history[i].string());
 975                         } else {
 976                                 s = history[i].string();
 977                         }
 978                         _file_menu->Insert (pos++, ID_file_history + i, std_to_wx (s));
 979                 }
 980
 981                 _history_items = history.size ();
 982         }
 983
 984         void set_menu_sensitivity ()
 985         {
 986                 _tools_verify->Enable (static_cast<bool>(_film));
 987                 _file_add_ov->Enable (static_cast<bool>(_film));
 988                 _file_add_kdm->Enable (static_cast<bool>(_film));
 989                 _view_cpl->Enable (static_cast<bool>(_film));
 990         }
 991
 992         void start_stop_pressed ()
 993         {
 994                 if (_viewer->playing()) {
 995                         _viewer->stop();
 996                 } else {
 997                         _viewer->start();
 998                 }
 999         }
1000
1001         void back_frame ()
1002         {
1003                 _viewer->seek_by (-_viewer->one_video_frame(), true);
1004         }
1005
1006         void forward_frame ()
1007         {
1008                 _viewer->seek_by (_viewer->one_video_frame(), true);
1009         }
1010
1011 private:
1012
1013         wxFrame* _dual_screen;
1014         bool _update_news_requested;
1015         PlayerInformation* _info;
1016         Config::PlayerMode _mode;
1017         wxPreferencesEditor* _config_dialog;
1018         wxPanel* _overall_panel;
1019         wxMenu* _file_menu;
1020         wxMenuItem* _view_cpl;
1021         wxMenu* _cpl_menu;
1022         int _history_items;
1023         int _history_position;
1024         wxMenuItem* _history_separator;
1025         shared_ptr<FilmViewer> _viewer;
1026         Controls* _controls;
1027         boost::shared_ptr<Film> _film;
1028         boost::signals2::scoped_connection _config_changed_connection;
1029         wxMenuItem* _file_add_ov;
1030         wxMenuItem* _file_add_kdm;
1031         wxMenuItem* _tools_verify;
1032         wxMenuItem* _view_full_screen;
1033         wxMenuItem* _view_dual_screen;
1034 };
1035
1036 static const wxCmdLineEntryDesc command_line_description[] = {
1037         { wxCMD_LINE_PARAM, 0, 0, "DCP to load or create", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1038         { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
1039 };
1040
1041 class PlayServer : public Server
1042 {
1043 public:
1044         explicit PlayServer (DOMFrame* frame)
1045                 : Server (PLAYER_PLAY_PORT)
1046                 , _frame (frame)
1047         {}
1048
1049         void handle (shared_ptr<Socket> socket)
1050         {
1051                 try {
1052                         int const length = socket->read_uint32 ();
1053                         scoped_array<char> buffer (new char[length]);
1054                         socket->read (reinterpret_cast<uint8_t*> (buffer.get()), length);
1055                         string s (buffer.get());
1056                         signal_manager->when_idle (bind (&DOMFrame::load_dcp, _frame, s));
1057                         socket->write (reinterpret_cast<uint8_t const *> ("OK"), 3);
1058                 } catch (...) {
1059
1060                 }
1061         }
1062
1063 private:
1064         DOMFrame* _frame;
1065 };
1066
1067 /** @class App
1068  *  @brief The magic App class for wxWidgets.
1069  */
1070 class App : public wxApp
1071 {
1072 public:
1073         App ()
1074                 : wxApp ()
1075                 , _frame (0)
1076         {}
1077
1078 private:
1079
1080         bool OnInit ()
1081         try
1082         {
1083                 wxInitAllImageHandlers ();
1084
1085                 Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
1086                 Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
1087
1088                 wxSplashScreen* splash = maybe_show_splash ();
1089
1090                 SetAppName (_("DCP-o-matic Player"));
1091
1092                 if (!wxApp::OnInit()) {
1093                         return false;
1094                 }
1095
1096 #ifdef DCPOMATIC_LINUX
1097                 unsetenv ("UBUNTU_MENUPROXY");
1098 #endif
1099
1100 #ifdef __WXOSX__
1101                 ProcessSerialNumber serial;
1102                 GetCurrentProcess (&serial);
1103                 TransformProcessType (&serial, kProcessTransformToForegroundApplication);
1104 #endif
1105
1106                 dcpomatic_setup_path_encoding ();
1107
1108                 /* Enable i18n; this will create a Config object
1109                    to look for a force-configured language.  This Config
1110                    object will be wrong, however, because dcpomatic_setup
1111                    hasn't yet been called and there aren't any filters etc.
1112                    set up yet.
1113                 */
1114                 dcpomatic_setup_i18n ();
1115
1116                 /* Set things up, including filters etc.
1117                    which will now be internationalised correctly.
1118                 */
1119                 dcpomatic_setup ();
1120
1121                 /* Force the configuration to be re-loaded correctly next
1122                    time it is needed.
1123                 */
1124                 Config::drop ();
1125
1126                 signal_manager = new wxSignalManager (this);
1127
1128                 _frame = new DOMFrame ();
1129                 SetTopWindow (_frame);
1130                 _frame->Maximize ();
1131                 if (splash) {
1132                         splash->Destroy ();
1133                 }
1134                 _frame->Show ();
1135
1136                 PlayServer* server = new PlayServer (_frame);
1137                 new thread (boost::bind (&PlayServer::run, server));
1138
1139                 if (!_dcp_to_load.empty() && boost::filesystem::is_directory (_dcp_to_load)) {
1140                         try {
1141                                 _frame->load_dcp (_dcp_to_load);
1142                         } catch (exception& e) {
1143                                 error_dialog (0, std_to_wx (String::compose (wx_to_std (_("Could not load DCP %1.")), _dcp_to_load)), std_to_wx(e.what()));
1144                         }
1145                 }
1146
1147                 Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
1148
1149                 if (Config::instance()->check_for_updates ()) {
1150                         UpdateChecker::instance()->run ();
1151                 }
1152
1153                 return true;
1154         }
1155         catch (exception& e)
1156         {
1157                 error_dialog (0, _("DCP-o-matic Player could not start."), std_to_wx(e.what()));
1158                 return true;
1159         }
1160
1161         void OnInitCmdLine (wxCmdLineParser& parser)
1162         {
1163                 parser.SetDesc (command_line_description);
1164                 parser.SetSwitchChars (wxT ("-"));
1165         }
1166
1167         bool OnCmdLineParsed (wxCmdLineParser& parser)
1168         {
1169                 if (parser.GetParamCount() > 0) {
1170                         _dcp_to_load = wx_to_std (parser.GetParam (0));
1171                 }
1172
1173                 return true;
1174         }
1175
1176         void report_exception ()
1177         {
1178                 try {
1179                         throw;
1180                 } catch (FileError& e) {
1181                         error_dialog (
1182                                 0,
1183                                 wxString::Format (
1184                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
1185                                         std_to_wx (e.what()),
1186                                         std_to_wx (e.file().string().c_str ())
1187                                         )
1188                                 );
1189                 } catch (exception& e) {
1190                         error_dialog (
1191                                 0,
1192                                 wxString::Format (
1193                                         _("An exception occurred: %s.\n\n") + REPORT_PROBLEM,
1194                                         std_to_wx (e.what ())
1195                                         )
1196                                 );
1197                 } catch (...) {
1198                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
1199                 }
1200         }
1201
1202         /* An unhandled exception has occurred inside the main event loop */
1203         bool OnExceptionInMainLoop ()
1204         {
1205                 report_exception ();
1206                 /* This will terminate the program */
1207                 return false;
1208         }
1209
1210         void OnUnhandledException ()
1211         {
1212                 report_exception ();
1213         }
1214
1215         void idle ()
1216         {
1217                 signal_manager->ui_idle ();
1218         }
1219
1220         void config_failed_to_load ()
1221         {
1222                 message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
1223         }
1224
1225         void config_warning (string m)
1226         {
1227                 message_dialog (_frame, std_to_wx (m));
1228         }
1229
1230         DOMFrame* _frame;
1231         string _dcp_to_load;
1232 };
1233
1234 IMPLEMENT_APP (App)