src/tools/dcpomatic_player.cc

   1 /*
   2     Copyright (C) 2017-2021 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/about_dialog.h"
  22 #include "wx/film_viewer.h"
  23 #include "wx/nag_dialog.h"
  24 #include "wx/player_config_dialog.h"
  25 #include "wx/player_information.h"
  26 #include "wx/player_stress_tester.h"
  27 #include "wx/playlist_controls.h"
  28 #include "wx/report_problem_dialog.h"
  29 #include "wx/standard_controls.h"
  30 #include "wx/system_information_dialog.h"
  31 #include "wx/timer_display.h"
  32 #include "wx/update_dialog.h"
  33 #include "wx/verify_dcp_dialog.h"
  34 #include "wx/verify_dcp_progress_dialog.h"
  35 #include "wx/wx_signal_manager.h"
  36 #include "wx/wx_util.h"
  37 #include "lib/compose.hpp"
  38 #include "lib/config.h"
  39 #include "lib/cross.h"
  40 #include "lib/dcp_content.h"
  41 #include "lib/dcp_examiner.h"
  42 #include "lib/dcpomatic_log.h"
  43 #include "lib/dcpomatic_socket.h"
  44 #include "lib/examine_content_job.h"
  45 #include "lib/ffmpeg_content.h"
  46 #include "lib/file_log.h"
  47 #include "lib/film.h"
  48 #include "lib/internet.h"
  49 #include "lib/job.h"
  50 #include "lib/job_manager.h"
  51 #include "lib/null_log.h"
  52 #include "lib/ratio.h"
  53 #include "lib/scoped_temporary.h"
  54 #include "lib/server.h"
  55 #include "lib/text_content.h"
  56 #include "lib/update_checker.h"
  57 #include "lib/util.h"
  58 #include "lib/verify_dcp_job.h"
  59 #include "lib/video_content.h"
  60 #include <dcp/cpl.h>
  61 #include <dcp/dcp.h>
  62 #include <dcp/exceptions.h>
  63 #include <dcp/raw_convert.h>
  64 #include <dcp/search.h>
  65 #include <dcp/warnings.h>
  66 LIBDCP_DISABLE_WARNINGS
  67 #include <wx/cmdline.h>
  68 #include <wx/display.h>
  69 #include <wx/preferences.h>
  70 #include <wx/progdlg.h>
  71 #include <wx/splash.h>
  72 #include <wx/stdpaths.h>
  73 #include <wx/wx.h>
  74 LIBDCP_ENABLE_WARNINGS
  75 #ifdef __WXGTK__
  76 #include <X11/Xlib.h>
  77 #endif
  78 #include <boost/algorithm/string.hpp>
  79 #include <boost/bind/bind.hpp>
  80 #include <iostream>
  81
  82 #ifdef check
  83 #undef check
  84 #endif
  85
  86
  87 #define MAX_CPLS 32
  88
  89
  90 using std::cout;
  91 using std::dynamic_pointer_cast;
  92 using std::exception;
  93 using std::list;
  94 using std::make_shared;
  95 using std::shared_ptr;
  96 using std::string;
  97 using std::vector;
  98 using std::weak_ptr;
  99 using boost::bind;
 100 using boost::optional;
 101 using boost::scoped_array;
 102 using boost::thread;
 103 #if BOOST_VERSION >= 106100
 104 using namespace boost::placeholders;
 105 #endif
 106 using dcp::raw_convert;
 107 using namespace dcpomatic;
 108
 109
 110 enum {
 111         ID_file_open = 1,
 112         ID_file_add_ov,
 113         ID_file_add_kdm,
 114         ID_file_history,
 115         /* Allow spare IDs after _history for the recent files list */
 116         ID_file_close = 100,
 117         ID_view_cpl,
 118         /* Allow spare IDs for CPLs */
 119         ID_view_full_screen = 200,
 120         ID_view_dual_screen,
 121         ID_view_closed_captions,
 122         ID_view_scale_appropriate,
 123         ID_view_scale_full,
 124         ID_view_scale_half,
 125         ID_view_scale_quarter,
 126         ID_help_report_a_problem,
 127         ID_tools_verify,
 128         ID_tools_check_for_updates,
 129         ID_tools_timing,
 130         ID_tools_system_information,
 131         /* IDs for shortcuts (with no associated menu item) */
 132         ID_start_stop,
 133         ID_go_back_frame,
 134         ID_go_forward_frame,
 135         ID_go_back_small_amount,
 136         ID_go_forward_small_amount,
 137         ID_go_back_medium_amount,
 138         ID_go_forward_medium_amount,
 139         ID_go_back_large_amount,
 140         ID_go_forward_large_amount,
 141         ID_go_to_start,
 142         ID_go_to_end
 143 };
 144
 145 class DOMFrame : public wxFrame
 146 {
 147 public:
 148         DOMFrame ()
 149                 : wxFrame (nullptr, -1, _("DCP-o-matic Player"))
 150                 , _mode (Config::instance()->player_mode())
 151                 , _main_sizer (new wxBoxSizer(wxVERTICAL))
 152         {
 153                 dcpomatic_log = make_shared<NullLog>();
 154
 155 #if defined(DCPOMATIC_WINDOWS)
 156                 maybe_open_console ();
 157                 cout << "DCP-o-matic Player is starting." << "\n";
 158 #endif
 159
 160                 auto bar = new wxMenuBar;
 161                 setup_menu (bar);
 162                 set_menu_sensitivity ();
 163                 SetMenuBar (bar);
 164
 165 #ifdef DCPOMATIC_WINDOWS
 166                 SetIcon (wxIcon (std_to_wx ("id")));
 167 #endif
 168
 169                 _config_changed_connection = Config::instance()->Changed.connect (boost::bind (&DOMFrame::config_changed, this, _1));
 170                 update_from_config (Config::PLAYER_DEBUG_LOG);
 171
 172                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_open, this), ID_file_open);
 173                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_ov, this), ID_file_add_ov);
 174                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_kdm, this), ID_file_add_kdm);
 175                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_history, this, _1), ID_file_history, ID_file_history + HISTORY_SIZE);
 176                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_close, this), ID_file_close);
 177                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this), wxID_EXIT);
 178                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this), wxID_PREFERENCES);
 179                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_full_screen, this), ID_view_full_screen);
 180                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_dual_screen, this), ID_view_dual_screen);
 181                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_closed_captions, this), ID_view_closed_captions);
 182                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_cpl, this, _1), ID_view_cpl, ID_view_cpl + MAX_CPLS);
 183                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(0)), ID_view_scale_full);
 184                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(1)), ID_view_scale_half);
 185                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(2)), ID_view_scale_quarter);
 186                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this), wxID_ABOUT);
 187                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this), ID_help_report_a_problem);
 188                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_verify, this), ID_tools_verify);
 189                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_check_for_updates, this), ID_tools_check_for_updates);
 190                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_timing, this), ID_tools_timing);
 191                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_system_information, this), ID_tools_system_information);
 192
 193                 /* Use a panel as the only child of the Frame so that we avoid
 194                    the dark-grey background on Windows.
 195                 */
 196                 _overall_panel = new wxPanel (this, wxID_ANY);
 197
 198                 _viewer = make_shared<FilmViewer>(_overall_panel);
 199                 if (Config::instance()->player_mode() == Config::PLAYER_MODE_DUAL) {
 200                         auto pc = new PlaylistControls (_overall_panel, _viewer);
 201                         _controls = pc;
 202                         pc->ResetFilm.connect (bind(&DOMFrame::reset_film_weak, this, _1));
 203                 } else {
 204                         _controls = new StandardControls (_overall_panel, _viewer, false);
 205                 }
 206                 _viewer->set_dcp_decode_reduction (Config::instance()->decode_reduction ());
 207                 _viewer->set_optimise_for_j2k (true);
 208                 _viewer->PlaybackPermitted.connect (bind(&DOMFrame::playback_permitted, this));
 209                 _viewer->TooManyDropped.connect (bind(&DOMFrame::too_many_frames_dropped, this));
 210                 _info = new PlayerInformation (_overall_panel, _viewer);
 211                 setup_main_sizer (Config::instance()->player_mode());
 212 #ifdef __WXOSX__
 213                 int accelerators = 12;
 214 #else
 215                 int accelerators = 11;
 216 #endif
 217
 218                 _stress.setup (this, _controls);
 219
 220                 wxAcceleratorEntry* accel = new wxAcceleratorEntry[accelerators];
 221                 accel[0].Set(wxACCEL_NORMAL,                WXK_SPACE, ID_start_stop);
 222                 accel[1].Set(wxACCEL_NORMAL,                WXK_LEFT,  ID_go_back_frame);
 223                 accel[2].Set(wxACCEL_NORMAL,                WXK_RIGHT, ID_go_forward_frame);
 224                 accel[3].Set(wxACCEL_SHIFT,                 WXK_LEFT,  ID_go_back_small_amount);
 225                 accel[4].Set(wxACCEL_SHIFT,                 WXK_RIGHT, ID_go_forward_small_amount);
 226                 accel[5].Set(wxACCEL_CTRL,                  WXK_LEFT,  ID_go_back_medium_amount);
 227                 accel[6].Set(wxACCEL_CTRL,                  WXK_RIGHT, ID_go_forward_medium_amount);
 228                 accel[7].Set(wxACCEL_SHIFT | wxACCEL_CTRL,  WXK_LEFT,  ID_go_back_large_amount);
 229                 accel[8].Set(wxACCEL_SHIFT | wxACCEL_CTRL,  WXK_RIGHT, ID_go_forward_large_amount);
 230                 accel[9].Set(wxACCEL_NORMAL,                WXK_HOME,  ID_go_to_start);
 231                 accel[10].Set(wxACCEL_NORMAL,               WXK_END,   ID_go_to_end);
 232 #ifdef __WXOSX__
 233                 accel[11].Set(wxACCEL_CTRL, static_cast<int>('W'), ID_file_close);
 234 #endif
 235                 wxAcceleratorTable accel_table (accelerators, accel);
 236                 SetAcceleratorTable (accel_table);
 237                 delete[] accel;
 238
 239                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::start_stop_pressed, this), ID_start_stop);
 240                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_back_frame, this),      ID_go_back_frame);
 241                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_forward_frame, this),   ID_go_forward_frame);
 242                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   -60), ID_go_back_small_amount);
 243                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,    60), ID_go_forward_small_amount);
 244                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  -600), ID_go_back_medium_amount);
 245                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   600), ID_go_forward_medium_amount);
 246                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this, -3600), ID_go_back_large_amount);
 247                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  3600), ID_go_forward_large_amount);
 248                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_start, this), ID_go_to_start);
 249                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_end,   this), ID_go_to_end);
 250
 251                 reset_film ();
 252
 253                 UpdateChecker::instance()->StateChanged.connect (boost::bind(&DOMFrame::update_checker_state_changed, this));
 254                 setup_screen ();
 255
 256                 _stress.LoadDCP.connect (boost::bind(&DOMFrame::load_dcp, this, _1));
 257         }
 258
 259         ~DOMFrame ()
 260         {
 261                 /* It's important that this is stopped before our frame starts destroying its children,
 262                  * otherwise UI elements that it depends on will disappear from under it.
 263                  */
 264                 _viewer.reset ();
 265         }
 266
 267         void setup_main_sizer (Config::PlayerMode mode)
 268         {
 269                 _main_sizer->Detach (_viewer->panel());
 270                 _main_sizer->Detach (_controls);
 271                 _main_sizer->Detach (_info);
 272                 if (mode != Config::PLAYER_MODE_DUAL) {
 273                         _main_sizer->Add (_viewer->panel(), 1, wxEXPAND);
 274                 }
 275                 _main_sizer->Add (_controls, mode == Config::PLAYER_MODE_DUAL ? 1 : 0, wxEXPAND | wxALL, 6);
 276                 _main_sizer->Add (_info, 0, wxEXPAND | wxALL, 6);
 277                 _overall_panel->SetSizer (_main_sizer);
 278                 _overall_panel->Layout ();
 279         }
 280
 281         bool playback_permitted ()
 282         {
 283                 if (!_film || !Config::instance()->respect_kdm_validity_periods()) {
 284                         return true;
 285                 }
 286
 287                 bool ok = true;
 288                 for (auto i: _film->content()) {
 289                         auto d = dynamic_pointer_cast<DCPContent>(i);
 290                         if (d && !d->kdm_timing_window_valid()) {
 291                                 ok = false;
 292                         }
 293                 }
 294
 295                 if (!ok) {
 296                         error_dialog (this, _("The KDM does not allow playback of this content at this time."));
 297                 }
 298
 299                 return ok;
 300         }
 301
 302
 303         void too_many_frames_dropped ()
 304         {
 305                 if (!Config::instance()->nagged(Config::NAG_TOO_MANY_DROPPED_FRAMES)) {
 306                         _viewer->stop ();
 307                 }
 308
 309                 NagDialog::maybe_nag (
 310                         this,
 311                         Config::NAG_TOO_MANY_DROPPED_FRAMES,
 312                         _(wxS("The player is dropping a lot of frames, so playback may not be accurate.\n\n"
 313                           "<b>This does not necessarily mean that the DCP you are playing is defective!</b>\n\n"
 314                           "You may be able to improve player performance by:\n"
 315                           "• choosing 'decode at half resolution' or 'decode at quarter resolution' from the View menu\n"
 316                           "• using a more powerful computer.\n"
 317                          ))
 318                         );
 319         }
 320
 321         void set_decode_reduction (optional<int> reduction)
 322         {
 323                 _viewer->set_dcp_decode_reduction (reduction);
 324                 _info->triggered_update ();
 325                 Config::instance()->set_decode_reduction (reduction);
 326         }
 327
 328         void load_dcp (boost::filesystem::path dir)
 329         {
 330                 DCPOMATIC_ASSERT (_film);
 331
 332                 reset_film ();
 333                 try {
 334                         _stress.set_suspended (true);
 335                         // here
 336                         auto dcp = make_shared<DCPContent>(dir);
 337                         auto job = make_shared<ExamineContentJob>(_film, dcp);
 338                         _examine_job_connection = job->Finished.connect(bind(&DOMFrame::add_dcp_to_film, this, weak_ptr<Job>(job), weak_ptr<Content>(dcp)));
 339                         JobManager::instance()->add (job);
 340                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 341                         if (!ok || !report_errors_from_last_job(this)) {
 342                                 return;
 343                         }
 344                         Config::instance()->add_to_player_history (dir);
 345                 } catch (ProjectFolderError &) {
 346                         error_dialog (
 347                                 this,
 348                                 wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())),
 349                                 _(
 350                                         "This looks like a DCP-o-matic project folder, which cannot be loaded into the player.  "
 351                                         "Choose the DCP directory inside the DCP-o-matic project folder if that's what you want to play."
 352                                  )
 353                                 );
 354                 } catch (dcp::ReadError& e) {
 355                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 356                 } catch (DCPError& e) {
 357                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 358                 }
 359         }
 360
 361         void add_dcp_to_film (weak_ptr<Job> weak_job, weak_ptr<Content> weak_content)
 362         {
 363                 auto job = weak_job.lock ();
 364                 if (!job || !job->finished_ok()) {
 365                         return;
 366                 }
 367
 368                 auto content = weak_content.lock ();
 369                 if (!content) {
 370                         return;
 371                 }
 372
 373                 _film->add_content (content);
 374                 _stress.set_suspended (false);
 375         }
 376
 377         void reset_film_weak (weak_ptr<Film> weak_film)
 378         {
 379                 auto film = weak_film.lock ();
 380                 if (film) {
 381                         reset_film (film);
 382                 }
 383         }
 384
 385         void reset_film (shared_ptr<Film> film = shared_ptr<Film>(new Film(optional<boost::filesystem::path>())))
 386         {
 387                 _film = film;
 388                 _film->set_tolerant (true);
 389                 _film->set_audio_channels (MAX_DCP_AUDIO_CHANNELS);
 390                 _viewer->set_film (_film);
 391                 _controls->set_film (_film);
 392                 _film->Change.connect (bind(&DOMFrame::film_changed, this, _1, _2));
 393                 _info->triggered_update ();
 394         }
 395
 396         void film_changed (ChangeType type, Film::Property property)
 397         {
 398                 if (type != ChangeType::DONE || property != Film::Property::CONTENT) {
 399                         return;
 400                 }
 401
 402                 if (_viewer->playing ()) {
 403                         _viewer->stop ();
 404                 }
 405
 406                 /* Start off as Flat */
 407                 _film->set_container (Ratio::from_id("185"));
 408
 409                 for (auto i: _film->content()) {
 410                         auto dcp = dynamic_pointer_cast<DCPContent>(i);
 411
 412                         for (auto j: i->text) {
 413                                 j->set_use (true);
 414                         }
 415
 416                         if (i->video) {
 417                                 auto const r = Ratio::nearest_from_ratio(i->video->size().ratio());
 418                                 if (r->id() == "239") {
 419                                         /* Any scope content means we use scope */
 420                                         _film->set_container(r);
 421                                 }
 422                         }
 423
 424                         /* Any 3D content means we use 3D mode */
 425                         if (i->video && i->video->frame_type() != VideoFrameType::TWO_D) {
 426                                 _film->set_three_d (true);
 427                         }
 428                 }
 429
 430                 _viewer->seek (DCPTime(), true);
 431                 _info->triggered_update ();
 432
 433                 set_menu_sensitivity ();
 434
 435                 auto old = _cpl_menu->GetMenuItems();
 436                 for (auto const& i: old) {
 437                         _cpl_menu->Remove (i);
 438                 }
 439
 440                 if (_film->content().size() == 1) {
 441                         /* Offer a CPL menu */
 442                         auto first = dynamic_pointer_cast<DCPContent>(_film->content().front());
 443                         if (first) {
 444                                 int id = ID_view_cpl;
 445                                 for (auto i: dcp::find_and_resolve_cpls(first->directories(), true)) {
 446                                         auto j = _cpl_menu->AppendRadioItem(
 447                                                 id,
 448                                                 wxString::Format("%s (%s)", std_to_wx(i->annotation_text().get_value_or("")).data(), std_to_wx(i->id()).data())
 449                                                 );
 450                                         j->Check(!first->cpl() || i->id() == *first->cpl());
 451                                         ++id;
 452                                 }
 453                         }
 454                 }
 455         }
 456
 457         void load_stress_script (boost::filesystem::path path)
 458         {
 459                 _stress.load_script (path);
 460         }
 461
 462 private:
 463
 464         void examine_content ()
 465         {
 466                 DCPOMATIC_ASSERT (_film);
 467                 auto dcp = dynamic_pointer_cast<DCPContent>(_film->content().front());
 468                 DCPOMATIC_ASSERT (dcp);
 469                 dcp->examine (_film, shared_ptr<Job>());
 470
 471                 /* Examining content re-creates the TextContent objects, so we must re-enable them */
 472                 for (auto i: dcp->text) {
 473                         i->set_use (true);
 474                 }
 475         }
 476
 477         bool report_errors_from_last_job (wxWindow* parent) const
 478         {
 479                 auto jm = JobManager::instance ();
 480
 481                 DCPOMATIC_ASSERT (!jm->get().empty());
 482
 483                 auto last = jm->get().back();
 484                 if (last->finished_in_error()) {
 485                         error_dialog(parent, wxString::Format(_("Could not load DCP.\n\n%s."), std_to_wx(last->error_summary()).data()), std_to_wx(last->error_details()));
 486                         return false;
 487                 }
 488
 489                 return true;
 490         }
 491
 492         void setup_menu (wxMenuBar* m)
 493         {
 494                 _file_menu = new wxMenu;
 495                 _file_menu->Append (ID_file_open, _("&Open...\tCtrl-O"));
 496                 _file_add_ov = _file_menu->Append (ID_file_add_ov, _("&Add OV..."));
 497                 _file_add_kdm = _file_menu->Append (ID_file_add_kdm, _("Add &KDM..."));
 498
 499                 _history_position = _file_menu->GetMenuItems().GetCount();
 500
 501                 _file_menu->AppendSeparator ();
 502                 _file_menu->Append (ID_file_close, _("&Close"));
 503                 _file_menu->AppendSeparator ();
 504
 505 #ifdef __WXOSX__
 506                 _file_menu->Append (wxID_EXIT, _("&Exit"));
 507 #else
 508                 _file_menu->Append (wxID_EXIT, _("&Quit"));
 509 #endif
 510
 511 #ifdef __WXOSX__
 512                 auto prefs = _file_menu->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 513 #else
 514                 auto edit = new wxMenu;
 515                 auto prefs = edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 516 #endif
 517
 518                 prefs->Enable (Config::instance()->have_write_permission());
 519
 520                 _cpl_menu = new wxMenu;
 521
 522                 auto view = new wxMenu;
 523                 auto c = Config::instance()->decode_reduction();
 524                 _view_cpl = view->Append(ID_view_cpl, _("CPL"), _cpl_menu);
 525                 view->AppendSeparator();
 526                 _view_full_screen = view->AppendCheckItem(ID_view_full_screen, _("Full screen\tF11"));
 527                 _view_dual_screen = view->AppendCheckItem(ID_view_dual_screen, _("Dual screen\tShift+F11"));
 528                 setup_menu ();
 529                 view->AppendSeparator();
 530                 view->Append(ID_view_closed_captions, _("Closed captions..."));
 531                 view->AppendSeparator();
 532                 view->AppendRadioItem(ID_view_scale_appropriate, _("Set decode resolution to match display"))->Check(!static_cast<bool>(c));
 533                 view->AppendRadioItem(ID_view_scale_full, _("Decode at full resolution"))->Check(c && c.get() == 0);
 534                 view->AppendRadioItem(ID_view_scale_half, _("Decode at half resolution"))->Check(c && c.get() == 1);
 535                 view->AppendRadioItem(ID_view_scale_quarter, _("Decode at quarter resolution"))->Check(c && c.get() == 2);
 536
 537                 auto tools = new wxMenu;
 538                 _tools_verify = tools->Append (ID_tools_verify, _("Verify DCP..."));
 539                 tools->AppendSeparator ();
 540                 tools->Append (ID_tools_check_for_updates, _("Check for updates"));
 541                 tools->Append (ID_tools_timing, _("Timing..."));
 542                 tools->Append (ID_tools_system_information, _("System information..."));
 543
 544                 auto help = new wxMenu;
 545 #ifdef __WXOSX__
 546                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 547 #else
 548                 help->Append (wxID_ABOUT, _("About"));
 549 #endif
 550                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 551
 552                 m->Append (_file_menu, _("&File"));
 553 #ifndef __WXOSX__
 554                 m->Append (edit, _("&Edit"));
 555 #endif
 556                 m->Append (view, _("&View"));
 557                 m->Append (tools, _("&Tools"));
 558                 m->Append (help, _("&Help"));
 559         }
 560
 561         void file_open ()
 562         {
 563                 auto d = wxStandardPaths::Get().GetDocumentsDir();
 564                 if (Config::instance()->last_player_load_directory()) {
 565                         d = std_to_wx (Config::instance()->last_player_load_directory()->string());
 566                 }
 567
 568                 auto c = new wxDirDialog (this, _("Select DCP to open"), d, wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST);
 569
 570                 int r;
 571                 while (true) {
 572                         r = c->ShowModal ();
 573                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 574                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 575                         } else {
 576                                 break;
 577                         }
 578                 }
 579
 580                 if (r == wxID_OK) {
 581                         boost::filesystem::path const dcp (wx_to_std (c->GetPath ()));
 582                         load_dcp (dcp);
 583                         Config::instance()->set_last_player_load_directory (dcp.parent_path());
 584                 }
 585
 586                 c->Destroy ();
 587         }
 588
 589         void file_add_ov ()
 590         {
 591                 auto c = new wxDirDialog (
 592                         this,
 593                         _("Select DCP to open as OV"),
 594                         wxStandardPaths::Get().GetDocumentsDir(),
 595                         wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST
 596                         );
 597
 598                 int r;
 599                 while (true) {
 600                         r = c->ShowModal ();
 601                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 602                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 603                         } else {
 604                                 break;
 605                         }
 606                 }
 607
 608                 if (r == wxID_OK) {
 609                         DCPOMATIC_ASSERT (_film);
 610                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 611                         DCPOMATIC_ASSERT (dcp);
 612                         dcp->add_ov (wx_to_std(c->GetPath()));
 613                         JobManager::instance()->add(make_shared<ExamineContentJob>(_film, dcp));
 614                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 615                         if (!ok || !report_errors_from_last_job(this)) {
 616                                 return;
 617                         }
 618                         for (auto i: dcp->text) {
 619                                 i->set_use (true);
 620                         }
 621                         if (dcp->video) {
 622                                 auto const r = Ratio::nearest_from_ratio(dcp->video->size().ratio());
 623                                 if (r) {
 624                                         _film->set_container(r);
 625                                 }
 626                         }
 627                 }
 628
 629                 c->Destroy ();
 630                 _info->triggered_update ();
 631         }
 632
 633         void file_add_kdm ()
 634         {
 635                 auto d = new wxFileDialog (this, _("Select KDM"));
 636
 637                 if (d->ShowModal() == wxID_OK) {
 638                         DCPOMATIC_ASSERT (_film);
 639                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 640                         DCPOMATIC_ASSERT (dcp);
 641                         try {
 642                                 if (dcp) {
 643                                         _viewer->set_coalesce_player_changes (true);
 644                                         dcp->add_kdm (dcp::EncryptedKDM(dcp::file_to_string(wx_to_std(d->GetPath()), MAX_KDM_SIZE)));
 645                                         examine_content();
 646                                         _viewer->set_coalesce_player_changes (false);
 647                                 }
 648                         } catch (exception& e) {
 649                                 error_dialog (this, wxString::Format (_("Could not load KDM.")), std_to_wx(e.what()));
 650                                 d->Destroy ();
 651                                 return;
 652                         }
 653                 }
 654
 655                 d->Destroy ();
 656                 _info->triggered_update ();
 657         }
 658
 659         void file_history (wxCommandEvent& event)
 660         {
 661                 auto history = Config::instance()->player_history ();
 662                 int n = event.GetId() - ID_file_history;
 663                 if (n >= 0 && n < static_cast<int> (history.size ())) {
 664                         try {
 665                                 load_dcp (history[n]);
 666                         } catch (exception& e) {
 667                                 error_dialog (0, std_to_wx(String::compose(wx_to_std(_("Could not load DCP %1.")), history[n])), std_to_wx(e.what()));
 668                         }
 669                 }
 670         }
 671
 672         void file_close ()
 673         {
 674                 reset_film ();
 675                 _info->triggered_update ();
 676                 set_menu_sensitivity ();
 677         }
 678
 679         void file_exit ()
 680         {
 681                 Close ();
 682         }
 683
 684         void edit_preferences ()
 685         {
 686                 if (!Config::instance()->have_write_permission()) {
 687                         return;
 688                 }
 689
 690                 if (!_config_dialog) {
 691                         _config_dialog = create_player_config_dialog ();
 692                 }
 693                 _config_dialog->Show (this);
 694         }
 695
 696         void view_cpl (wxCommandEvent& ev)
 697         {
 698                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 699                 DCPOMATIC_ASSERT (dcp);
 700                 auto cpls = dcp::find_and_resolve_cpls (dcp->directories(), true);
 701                 int id = ev.GetId() - ID_view_cpl;
 702                 DCPOMATIC_ASSERT (id >= 0);
 703                 DCPOMATIC_ASSERT (id < int(cpls.size()));
 704                 auto i = cpls.begin();
 705                 while (id > 0) {
 706                         ++i;
 707                         --id;
 708                 }
 709
 710                 _viewer->set_coalesce_player_changes (true);
 711                 dcp->set_cpl ((*i)->id());
 712                 examine_content ();
 713                 _viewer->set_coalesce_player_changes (false);
 714
 715                 _info->triggered_update ();
 716         }
 717
 718         void view_full_screen ()
 719         {
 720                 if (_mode == Config::PLAYER_MODE_FULL) {
 721                         _mode = Config::PLAYER_MODE_WINDOW;
 722                 } else {
 723                         _mode = Config::PLAYER_MODE_FULL;
 724                 }
 725                 setup_screen ();
 726                 setup_menu ();
 727         }
 728
 729         void view_dual_screen ()
 730         {
 731                 if (_mode == Config::PLAYER_MODE_DUAL) {
 732                         _mode = Config::PLAYER_MODE_WINDOW;
 733                 } else {
 734                         _mode = Config::PLAYER_MODE_DUAL;
 735                 }
 736                 setup_screen ();
 737                 setup_menu ();
 738         }
 739
 740         void setup_menu ()
 741         {
 742                 if (_view_full_screen) {
 743                         _view_full_screen->Check (_mode == Config::PLAYER_MODE_FULL);
 744                 }
 745                 if (_view_dual_screen) {
 746                         _view_dual_screen->Check (_mode == Config::PLAYER_MODE_DUAL);
 747                 }
 748         }
 749
 750         void setup_screen ()
 751         {
 752                 _controls->Show (_mode != Config::PLAYER_MODE_FULL);
 753                 _info->Show (_mode != Config::PLAYER_MODE_FULL);
 754                 _overall_panel->SetBackgroundColour (_mode == Config::PLAYER_MODE_FULL ? wxColour(0, 0, 0) : wxNullColour);
 755                 ShowFullScreen (_mode == Config::PLAYER_MODE_FULL);
 756                 _viewer->set_pad_black (_mode != Config::PLAYER_MODE_WINDOW);
 757
 758                 if (_mode == Config::PLAYER_MODE_DUAL) {
 759                         _dual_screen = new wxFrame (this, wxID_ANY, wxT(""));
 760                         _dual_screen->SetBackgroundColour (wxColour(0, 0, 0));
 761                         _dual_screen->ShowFullScreen (true);
 762                         _viewer->panel()->Reparent (_dual_screen);
 763                         _dual_screen->Show ();
 764                         if (wxDisplay::GetCount() > 1) {
 765                                 switch (Config::instance()->image_display()) {
 766                                 case 0:
 767                                         _dual_screen->Move (0, 0);
 768                                         Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
 769                                         break;
 770                                 case 1:
 771                                         _dual_screen->Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
 772                                         // (0, 0) doesn't seem to work for some strange reason
 773                                         Move (8, 8);
 774                                         break;
 775                                 }
 776                         }
 777                 } else {
 778                         if (_dual_screen) {
 779                                 _viewer->panel()->Reparent (_overall_panel);
 780                                 _dual_screen->Destroy ();
 781                                 _dual_screen = 0;
 782                         }
 783                 }
 784
 785                 setup_main_sizer (_mode);
 786         }
 787
 788         void view_closed_captions ()
 789         {
 790                 _viewer->show_closed_captions ();
 791         }
 792
 793         void tools_verify ()
 794         {
 795                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 796                 DCPOMATIC_ASSERT (dcp);
 797
 798                 auto job = make_shared<VerifyDCPJob>(dcp->directories());
 799                 auto progress = new VerifyDCPProgressDialog(this, _("DCP-o-matic Player"));
 800                 bool const completed = progress->run (job);
 801                 progress->Destroy ();
 802                 if (!completed) {
 803                         return;
 804                 }
 805
 806                 auto d = new VerifyDCPDialog (this, job);
 807                 d->ShowModal ();
 808                 d->Destroy ();
 809         }
 810
 811         void tools_check_for_updates ()
 812         {
 813                 UpdateChecker::instance()->run ();
 814                 _update_news_requested = true;
 815         }
 816
 817         void tools_timing ()
 818         {
 819                 auto d = new TimerDisplay (this, _viewer->state_timer(), _viewer->gets());
 820                 d->ShowModal ();
 821                 d->Destroy ();
 822         }
 823
 824         void tools_system_information ()
 825         {
 826                 if (!_system_information_dialog) {
 827                         _system_information_dialog = new SystemInformationDialog (this, _viewer);
 828                 }
 829
 830                 _system_information_dialog->Show ();
 831         }
 832
 833         void help_about ()
 834         {
 835                 auto d = new AboutDialog (this);
 836                 d->ShowModal ();
 837                 d->Destroy ();
 838         }
 839
 840         void help_report_a_problem ()
 841         {
 842                 auto d = new ReportProblemDialog (this);
 843                 if (d->ShowModal () == wxID_OK) {
 844                         d->report ();
 845                 }
 846                 d->Destroy ();
 847         }
 848
 849         void update_checker_state_changed ()
 850         {
 851                 auto uc = UpdateChecker::instance ();
 852
 853                 bool const announce =
 854                         _update_news_requested ||
 855                         (uc->stable() && Config::instance()->check_for_updates()) ||
 856                         (uc->test() && Config::instance()->check_for_updates() && Config::instance()->check_for_test_updates());
 857
 858                 _update_news_requested = false;
 859
 860                 if (!announce) {
 861                         return;
 862                 }
 863
 864                 if (uc->state() == UpdateChecker::State::YES) {
 865                         auto dialog = new UpdateDialog (this, uc->stable (), uc->test ());
 866                         dialog->ShowModal ();
 867                         dialog->Destroy ();
 868                 } else if (uc->state() == UpdateChecker::State::FAILED) {
 869                         error_dialog (this, _("The DCP-o-matic download server could not be contacted."));
 870                 } else {
 871                         error_dialog (this, _("There are no new versions of DCP-o-matic available."));
 872                 }
 873
 874                 _update_news_requested = false;
 875         }
 876
 877         void config_changed (Config::Property prop)
 878         {
 879                 /* Instantly save any config changes when using the player GUI */
 880                 try {
 881                         Config::instance()->write_config();
 882                 } catch (FileError& e) {
 883                         if (prop != Config::HISTORY) {
 884                                 error_dialog (
 885                                         this,
 886                                         wxString::Format(
 887                                                 _("Could not write to config file at %s.  Your changes have not been saved."),
 888                                                 std_to_wx(e.file().string())
 889                                                 )
 890                                         );
 891                         }
 892                 } catch (exception& e) {
 893                         error_dialog (
 894                                 this,
 895                                 _("Could not write to config file.  Your changes have not been saved.")
 896                                 );
 897                 }
 898
 899                 update_from_config (prop);
 900         }
 901
 902         void update_from_config (Config::Property prop)
 903         {
 904                 for (int i = 0; i < _history_items; ++i) {
 905                         delete _file_menu->Remove (ID_file_history + i);
 906                 }
 907
 908                 if (_history_separator) {
 909                         _file_menu->Remove (_history_separator);
 910                 }
 911                 delete _history_separator;
 912                 _history_separator = nullptr;
 913
 914                 int pos = _history_position;
 915
 916                 /* Clear out non-existant history items before we re-build the menu */
 917                 Config::instance()->clean_player_history ();
 918                 auto history = Config::instance()->player_history ();
 919
 920                 if (!history.empty ()) {
 921                         _history_separator = _file_menu->InsertSeparator (pos++);
 922                 }
 923
 924                 for (size_t i = 0; i < history.size(); ++i) {
 925                         string s;
 926                         if (i < 9) {
 927                                 s = String::compose ("&%1 %2", i + 1, history[i].string());
 928                         } else {
 929                                 s = history[i].string();
 930                         }
 931                         _file_menu->Insert (pos++, ID_file_history + i, std_to_wx (s));
 932                 }
 933
 934                 _history_items = history.size ();
 935
 936                 if (prop == Config::PLAYER_DEBUG_LOG) {
 937                         auto p = Config::instance()->player_debug_log_file();
 938                         if (p) {
 939                                 dcpomatic_log = make_shared<FileLog>(*p);
 940                         } else {
 941                                 dcpomatic_log = make_shared<NullLog>();
 942                         }
 943                         dcpomatic_log->set_types (LogEntry::TYPE_GENERAL | LogEntry::TYPE_WARNING | LogEntry::TYPE_ERROR | LogEntry::TYPE_DEBUG_VIDEO_VIEW);
 944                 }
 945         }
 946
 947         void set_menu_sensitivity ()
 948         {
 949                 _tools_verify->Enable (static_cast<bool>(_film));
 950                 _file_add_ov->Enable (static_cast<bool>(_film));
 951                 _file_add_kdm->Enable (static_cast<bool>(_film));
 952                 _view_cpl->Enable (static_cast<bool>(_film));
 953         }
 954
 955         void start_stop_pressed ()
 956         {
 957                 if (_viewer->playing()) {
 958                         _viewer->stop();
 959                 } else {
 960                         _viewer->start();
 961                 }
 962         }
 963
 964         void go_back_frame ()
 965         {
 966                 _viewer->seek_by (-_viewer->one_video_frame(), true);
 967         }
 968
 969         void go_forward_frame ()
 970         {
 971                 _viewer->seek_by (_viewer->one_video_frame(), true);
 972         }
 973
 974         void go_seconds (int s)
 975         {
 976                 _viewer->seek_by (DCPTime::from_seconds(s), true);
 977         }
 978
 979         void go_to_start ()
 980         {
 981                 _viewer->seek (DCPTime(), true);
 982         }
 983
 984         void go_to_end ()
 985         {
 986                 _viewer->seek (_film->length() - _viewer->one_video_frame(), true);
 987         }
 988
 989         wxFrame* _dual_screen = nullptr;
 990         bool _update_news_requested = false;
 991         PlayerInformation* _info = nullptr;
 992         Config::PlayerMode _mode;
 993         wxPreferencesEditor* _config_dialog = nullptr;
 994         wxPanel* _overall_panel = nullptr;
 995         wxMenu* _file_menu = nullptr;
 996         wxMenuItem* _view_cpl = nullptr;
 997         wxMenu* _cpl_menu = nullptr;
 998         int _history_items = 0;
 999         int _history_position = 0;
1000         wxMenuItem* _history_separator = nullptr;
1001         shared_ptr<FilmViewer> _viewer;
1002         Controls* _controls;
1003         SystemInformationDialog* _system_information_dialog = nullptr;
1004         std::shared_ptr<Film> _film;
1005         boost::signals2::scoped_connection _config_changed_connection;
1006         boost::signals2::scoped_connection _examine_job_connection;
1007         wxMenuItem* _file_add_ov = nullptr;
1008         wxMenuItem* _file_add_kdm = nullptr;
1009         wxMenuItem* _tools_verify = nullptr;
1010         wxMenuItem* _view_full_screen = nullptr;
1011         wxMenuItem* _view_dual_screen = nullptr;
1012         wxSizer* _main_sizer = nullptr;
1013         PlayerStressTester _stress;
1014 };
1015
1016 static const wxCmdLineEntryDesc command_line_description[] = {
1017         { wxCMD_LINE_PARAM, 0, 0, "DCP to load or create", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1018         { wxCMD_LINE_OPTION, "c", "config", "Directory containing config.xml", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1019         { wxCMD_LINE_OPTION, "s", "stress", "File containing description of stress test", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1020         { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
1021 };
1022
1023 class PlayServer : public Server
1024 {
1025 public:
1026         explicit PlayServer (DOMFrame* frame)
1027                 : Server (PLAYER_PLAY_PORT)
1028                 , _frame (frame)
1029         {}
1030
1031         void handle (shared_ptr<Socket> socket) override
1032         {
1033                 try {
1034                         int const length = socket->read_uint32 ();
1035                         scoped_array<char> buffer (new char[length]);
1036                         socket->read (reinterpret_cast<uint8_t*> (buffer.get()), length);
1037                         string s (buffer.get());
1038                         signal_manager->when_idle (bind (&DOMFrame::load_dcp, _frame, s));
1039                         socket->write (reinterpret_cast<uint8_t const *> ("OK"), 3);
1040                 } catch (...) {
1041
1042                 }
1043         }
1044
1045 private:
1046         DOMFrame* _frame;
1047 };
1048
1049 /** @class App
1050  *  @brief The magic App class for wxWidgets.
1051  */
1052 class App : public wxApp
1053 {
1054 public:
1055         App ()
1056                 : wxApp ()
1057         {
1058 #ifdef DCPOMATIC_LINUX
1059                 XInitThreads ();
1060 #endif
1061         }
1062
1063 private:
1064
1065         bool OnInit () override
1066         {
1067                 wxSplashScreen* splash = nullptr;
1068                 try {
1069                         wxInitAllImageHandlers ();
1070
1071                         Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
1072                         Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
1073
1074                         splash = maybe_show_splash ();
1075
1076                         SetAppName (_("DCP-o-matic Player"));
1077
1078                         if (!wxApp::OnInit()) {
1079                                 return false;
1080                         }
1081
1082 #ifdef DCPOMATIC_LINUX
1083                         unsetenv ("UBUNTU_MENUPROXY");
1084 #endif
1085
1086 #ifdef DCPOMATIC_OSX
1087                         make_foreground_application ();
1088 #endif
1089
1090                         dcpomatic_setup_path_encoding ();
1091
1092                         /* Enable i18n; this will create a Config object
1093                            to look for a force-configured language.  This Config
1094                            object will be wrong, however, because dcpomatic_setup
1095                            hasn't yet been called and there aren't any filters etc.
1096                            set up yet.
1097                         */
1098                         dcpomatic_setup_i18n ();
1099
1100                         /* Set things up, including filters etc.
1101                            which will now be internationalised correctly.
1102                         */
1103                         dcpomatic_setup ();
1104
1105                         /* Force the configuration to be re-loaded correctly next
1106                            time it is needed.
1107                         */
1108                         Config::drop ();
1109
1110                         signal_manager = new wxSignalManager (this);
1111
1112                         _frame = new DOMFrame ();
1113                         SetTopWindow (_frame);
1114                         _frame->Maximize ();
1115                         if (splash) {
1116                                 splash->Destroy ();
1117                                 splash = nullptr;
1118                         }
1119                         _frame->Show ();
1120
1121                         try {
1122                                 auto server = new PlayServer (_frame);
1123                                 new thread (boost::bind (&PlayServer::run, server));
1124                         } catch (std::exception& e) {
1125                                 /* This is not the end of the world; probably a failure to bind the server socket
1126                                  * because there's already another player running.
1127                                  */
1128                                 LOG_DEBUG_PLAYER ("Failed to start play server (%1)", e.what());
1129                         }
1130
1131                         if (!_dcp_to_load.empty() && boost::filesystem::is_directory (_dcp_to_load)) {
1132                                 try {
1133                                         _frame->load_dcp (_dcp_to_load);
1134                                 } catch (exception& e) {
1135                                         error_dialog (0, std_to_wx (String::compose (wx_to_std (_("Could not load DCP %1.")), _dcp_to_load)), std_to_wx(e.what()));
1136                                 }
1137                         }
1138
1139                         if (_stress) {
1140                                 try {
1141                                         _frame->load_stress_script (*_stress);
1142                                 } catch (exception& e) {
1143                                         error_dialog (0, wxString::Format("Could not load stress test file %s", std_to_wx(*_stress)));
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                 catch (exception& e)
1154                 {
1155                         if (splash) {
1156                                 splash->Destroy ();
1157                         }
1158                         error_dialog (0, _("DCP-o-matic Player could not start."), std_to_wx(e.what()));
1159                 }
1160
1161                 return true;
1162         }
1163
1164         void OnInitCmdLine (wxCmdLineParser& parser) override
1165         {
1166                 parser.SetDesc (command_line_description);
1167                 parser.SetSwitchChars (wxT ("-"));
1168         }
1169
1170         bool OnCmdLineParsed (wxCmdLineParser& parser) override
1171         {
1172                 if (parser.GetParamCount() > 0) {
1173                         _dcp_to_load = wx_to_std (parser.GetParam (0));
1174                 }
1175
1176                 wxString config;
1177                 if (parser.Found("c", &config)) {
1178                         Config::override_path = wx_to_std (config);
1179                 }
1180                 wxString stress;
1181                 if (parser.Found("s", &stress)) {
1182                         _stress = wx_to_std (stress);
1183                 }
1184
1185                 return true;
1186         }
1187
1188         void report_exception ()
1189         {
1190                 try {
1191                         throw;
1192                 } catch (FileError& e) {
1193                         error_dialog (
1194                                 0,
1195                                 wxString::Format (
1196                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
1197                                         std_to_wx (e.what()),
1198                                         std_to_wx (e.file().string().c_str ())
1199                                         )
1200                                 );
1201                 } catch (exception& e) {
1202                         error_dialog (
1203                                 0,
1204                                 wxString::Format (
1205                                         _("An exception occurred: %s.\n\n") + REPORT_PROBLEM,
1206                                         std_to_wx (e.what ())
1207                                         )
1208                                 );
1209                 } catch (...) {
1210                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
1211                 }
1212         }
1213
1214         /* An unhandled exception has occurred inside the main event loop */
1215         bool OnExceptionInMainLoop () override
1216         {
1217                 report_exception ();
1218                 /* This will terminate the program */
1219                 return false;
1220         }
1221
1222         void OnUnhandledException () override
1223         {
1224                 report_exception ();
1225         }
1226
1227         void idle ()
1228         {
1229                 signal_manager->ui_idle ();
1230         }
1231
1232         void config_failed_to_load ()
1233         {
1234                 message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
1235         }
1236
1237         void config_warning (string m)
1238         {
1239                 message_dialog (_frame, std_to_wx (m));
1240         }
1241
1242         DOMFrame* _frame = nullptr;
1243         string _dcp_to_load;
1244         boost::optional<string> _stress;
1245 };
1246
1247 IMPLEMENT_APP (App)