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/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/playlist_controls.h"
  32 #include "wx/timer_display.h"
  33 #include "wx/system_information_dialog.h"
  34 #include "wx/player_stress_tester.h"
  35 #include "wx/verify_dcp_progress_dialog.h"
  36 #include "wx/nag_dialog.h"
  37 #include "lib/cross.h"
  38 #include "lib/config.h"
  39 #include "lib/util.h"
  40 #include "lib/internet.h"
  41 #include "lib/update_checker.h"
  42 #include "lib/compose.hpp"
  43 #include "lib/dcp_content.h"
  44 #include "lib/job_manager.h"
  45 #include "lib/job.h"
  46 #include "lib/film.h"
  47 #include "lib/null_log.h"
  48 #include "lib/video_content.h"
  49 #include "lib/text_content.h"
  50 #include "lib/ratio.h"
  51 #include "lib/verify_dcp_job.h"
  52 #include "lib/dcp_examiner.h"
  53 #include "lib/examine_content_job.h"
  54 #include "lib/server.h"
  55 #include "lib/dcpomatic_socket.h"
  56 #include "lib/scoped_temporary.h"
  57 #include "lib/ffmpeg_content.h"
  58 #include "lib/dcpomatic_log.h"
  59 #include "lib/file_log.h"
  60 #include <dcp/cpl.h>
  61 #include <dcp/dcp.h>
  62 #include <dcp/raw_convert.h>
  63 #include <dcp/exceptions.h>
  64 #include <wx/wx.h>
  65 #include <wx/stdpaths.h>
  66 #include <wx/splash.h>
  67 #include <wx/cmdline.h>
  68 #include <wx/preferences.h>
  69 #include <wx/progdlg.h>
  70 #include <wx/display.h>
  71 #ifdef __WXGTK__
  72 #include <X11/Xlib.h>
  73 #endif
  74 #include <boost/bind/bind.hpp>
  75 #include <boost/algorithm/string.hpp>
  76 #include <iostream>
  77
  78 #ifdef check
  79 #undef check
  80 #endif
  81
  82 #define MAX_CPLS 32
  83
  84 using std::cout;
  85 using std::dynamic_pointer_cast;
  86 using std::exception;
  87 using std::list;
  88 using std::make_shared;
  89 using std::shared_ptr;
  90 using std::string;
  91 using std::vector;
  92 using std::weak_ptr;
  93 using boost::scoped_array;
  94 using boost::optional;
  95 using boost::thread;
  96 using boost::bind;
  97 #if BOOST_VERSION >= 106100
  98 using namespace boost::placeholders;
  99 #endif
 100 using dcp::raw_convert;
 101 using namespace dcpomatic;
 102
 103 enum {
 104         ID_file_open = 1,
 105         ID_file_add_ov,
 106         ID_file_add_kdm,
 107         ID_file_history,
 108         /* Allow spare IDs after _history for the recent files list */
 109         ID_file_close = 100,
 110         ID_view_cpl,
 111         /* Allow spare IDs for CPLs */
 112         ID_view_full_screen = 200,
 113         ID_view_dual_screen,
 114         ID_view_closed_captions,
 115         ID_view_scale_appropriate,
 116         ID_view_scale_full,
 117         ID_view_scale_half,
 118         ID_view_scale_quarter,
 119         ID_help_report_a_problem,
 120         ID_tools_verify,
 121         ID_tools_check_for_updates,
 122         ID_tools_timing,
 123         ID_tools_system_information,
 124         /* IDs for shortcuts (with no associated menu item) */
 125         ID_start_stop,
 126         ID_go_back_frame,
 127         ID_go_forward_frame,
 128         ID_go_back_small_amount,
 129         ID_go_forward_small_amount,
 130         ID_go_back_medium_amount,
 131         ID_go_forward_medium_amount,
 132         ID_go_back_large_amount,
 133         ID_go_forward_large_amount,
 134         ID_go_to_start,
 135         ID_go_to_end
 136 };
 137
 138 class DOMFrame : public wxFrame
 139 {
 140 public:
 141         DOMFrame ()
 142                 : wxFrame (nullptr, -1, _("DCP-o-matic Player"))
 143                 , _mode (Config::instance()->player_mode())
 144                 , _main_sizer (new wxBoxSizer(wxVERTICAL))
 145         {
 146                 dcpomatic_log = make_shared<NullLog>();
 147
 148 #if defined(DCPOMATIC_WINDOWS)
 149                 maybe_open_console ();
 150                 cout << "DCP-o-matic Player is starting." << "\n";
 151 #endif
 152
 153                 auto bar = new wxMenuBar;
 154                 setup_menu (bar);
 155                 set_menu_sensitivity ();
 156                 SetMenuBar (bar);
 157
 158 #ifdef DCPOMATIC_WINDOWS
 159                 SetIcon (wxIcon (std_to_wx ("id")));
 160 #endif
 161
 162                 _config_changed_connection = Config::instance()->Changed.connect (boost::bind (&DOMFrame::config_changed, this, _1));
 163                 update_from_config (Config::PLAYER_DEBUG_LOG);
 164
 165                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_open, this), ID_file_open);
 166                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_ov, this), ID_file_add_ov);
 167                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_kdm, this), ID_file_add_kdm);
 168                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_history, this, _1), ID_file_history, ID_file_history + HISTORY_SIZE);
 169                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_close, this), ID_file_close);
 170                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this), wxID_EXIT);
 171                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this), wxID_PREFERENCES);
 172                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_full_screen, this), ID_view_full_screen);
 173                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_dual_screen, this), ID_view_dual_screen);
 174                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_closed_captions, this), ID_view_closed_captions);
 175                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_cpl, this, _1), ID_view_cpl, ID_view_cpl + MAX_CPLS);
 176                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(0)), ID_view_scale_full);
 177                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(1)), ID_view_scale_half);
 178                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(2)), ID_view_scale_quarter);
 179                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this), wxID_ABOUT);
 180                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this), ID_help_report_a_problem);
 181                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_verify, this), ID_tools_verify);
 182                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_check_for_updates, this), ID_tools_check_for_updates);
 183                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_timing, this), ID_tools_timing);
 184                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_system_information, this), ID_tools_system_information);
 185
 186                 /* Use a panel as the only child of the Frame so that we avoid
 187                    the dark-grey background on Windows.
 188                 */
 189                 _overall_panel = new wxPanel (this, wxID_ANY);
 190
 191                 _viewer = make_shared<FilmViewer>(_overall_panel);
 192                 if (Config::instance()->player_mode() == Config::PLAYER_MODE_DUAL) {
 193                         auto pc = new PlaylistControls (_overall_panel, _viewer);
 194                         _controls = pc;
 195                         pc->ResetFilm.connect (bind(&DOMFrame::reset_film_weak, this, _1));
 196                 } else {
 197                         _controls = new StandardControls (_overall_panel, _viewer, false);
 198                 }
 199                 _viewer->set_dcp_decode_reduction (Config::instance()->decode_reduction ());
 200                 _viewer->set_optimise_for_j2k (true);
 201                 _viewer->PlaybackPermitted.connect (bind(&DOMFrame::playback_permitted, this));
 202                 _viewer->TooManyDropped.connect (bind(&DOMFrame::too_many_frames_dropped, this));
 203                 _info = new PlayerInformation (_overall_panel, _viewer);
 204                 setup_main_sizer (Config::instance()->player_mode());
 205 #ifdef __WXOSX__
 206                 int accelerators = 12;
 207 #else
 208                 int accelerators = 11;
 209 #endif
 210
 211                 _stress.setup (this, _controls);
 212
 213                 std::vector<wxAcceleratorEntry> accel(accelerators);
 214                 accel[0].Set(wxACCEL_NORMAL,                WXK_SPACE, ID_start_stop);
 215                 accel[1].Set(wxACCEL_NORMAL,                WXK_LEFT,  ID_go_back_frame);
 216                 accel[2].Set(wxACCEL_NORMAL,                WXK_RIGHT, ID_go_forward_frame);
 217                 accel[3].Set(wxACCEL_SHIFT,                 WXK_LEFT,  ID_go_back_small_amount);
 218                 accel[4].Set(wxACCEL_SHIFT,                 WXK_RIGHT, ID_go_forward_small_amount);
 219                 accel[5].Set(wxACCEL_CTRL,                  WXK_LEFT,  ID_go_back_medium_amount);
 220                 accel[6].Set(wxACCEL_CTRL,                  WXK_RIGHT, ID_go_forward_medium_amount);
 221                 accel[7].Set(wxACCEL_SHIFT | wxACCEL_CTRL,  WXK_LEFT,  ID_go_back_large_amount);
 222                 accel[8].Set(wxACCEL_SHIFT | wxACCEL_CTRL,  WXK_RIGHT, ID_go_forward_large_amount);
 223                 accel[9].Set(wxACCEL_NORMAL,                WXK_HOME,  ID_go_to_start);
 224                 accel[10].Set(wxACCEL_NORMAL,               WXK_END,   ID_go_to_end);
 225 #ifdef __WXOSX__
 226                 accel[11].Set(wxACCEL_CTRL, static_cast<int>('W'), ID_file_close);
 227 #endif
 228                 wxAcceleratorTable accel_table (accelerators, accel.data());
 229                 SetAcceleratorTable (accel_table);
 230
 231                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::start_stop_pressed, this), ID_start_stop);
 232                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_back_frame, this),      ID_go_back_frame);
 233                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_forward_frame, this),   ID_go_forward_frame);
 234                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   -60), ID_go_back_small_amount);
 235                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,    60), ID_go_forward_small_amount);
 236                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  -600), ID_go_back_medium_amount);
 237                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   600), ID_go_forward_medium_amount);
 238                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this, -3600), ID_go_back_large_amount);
 239                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  3600), ID_go_forward_large_amount);
 240                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_start, this), ID_go_to_start);
 241                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_end,   this), ID_go_to_end);
 242
 243                 reset_film ();
 244
 245                 UpdateChecker::instance()->StateChanged.connect (boost::bind(&DOMFrame::update_checker_state_changed, this));
 246                 setup_screen ();
 247
 248                 _stress.LoadDCP.connect (boost::bind(&DOMFrame::load_dcp, this, _1));
 249         }
 250
 251         ~DOMFrame ()
 252         {
 253                 /* It's important that this is stopped before our frame starts destroying its children,
 254                  * otherwise UI elements that it depends on will disappear from under it.
 255                  */
 256                 _viewer.reset ();
 257         }
 258
 259         void setup_main_sizer (Config::PlayerMode mode)
 260         {
 261                 _main_sizer->Detach (_viewer->panel());
 262                 _main_sizer->Detach (_controls);
 263                 _main_sizer->Detach (_info);
 264                 if (mode != Config::PLAYER_MODE_DUAL) {
 265                         _main_sizer->Add (_viewer->panel(), 1, wxEXPAND);
 266                 }
 267                 _main_sizer->Add (_controls, mode == Config::PLAYER_MODE_DUAL ? 1 : 0, wxEXPAND | wxALL, 6);
 268                 _main_sizer->Add (_info, 0, wxEXPAND | wxALL, 6);
 269                 _overall_panel->SetSizer (_main_sizer);
 270                 _overall_panel->Layout ();
 271         }
 272
 273         bool playback_permitted ()
 274         {
 275                 if (!_film || !Config::instance()->respect_kdm_validity_periods()) {
 276                         return true;
 277                 }
 278
 279                 bool ok = true;
 280                 for (auto i: _film->content()) {
 281                         auto d = dynamic_pointer_cast<DCPContent>(i);
 282                         if (d && !d->kdm_timing_window_valid()) {
 283                                 ok = false;
 284                         }
 285                 }
 286
 287                 if (!ok) {
 288                         error_dialog (this, _("The KDM does not allow playback of this content at this time."));
 289                 }
 290
 291                 return ok;
 292         }
 293
 294
 295         void too_many_frames_dropped ()
 296         {
 297                 if (!Config::instance()->nagged(Config::NAG_TOO_MANY_DROPPED_FRAMES)) {
 298                         _viewer->stop ();
 299                 }
 300
 301                 NagDialog::maybe_nag (
 302                         this,
 303                         Config::NAG_TOO_MANY_DROPPED_FRAMES,
 304                         _(wxS("The player is dropping a lot of frames, so playback may not be accurate.\n\n"
 305                           "<b>This does not necessarily mean that the DCP you are playing is defective!</b>\n\n"
 306                           "You may be able to improve player performance by:\n"
 307                           "• choosing 'decode at half resolution' or 'decode at quarter resolution' from the View menu\n"
 308                           "• using a more powerful computer.\n"
 309                          ))
 310                         );
 311         }
 312
 313         void set_decode_reduction (optional<int> reduction)
 314         {
 315                 _viewer->set_dcp_decode_reduction (reduction);
 316                 _info->triggered_update ();
 317                 Config::instance()->set_decode_reduction (reduction);
 318         }
 319
 320         void load_dcp (boost::filesystem::path dir)
 321         {
 322                 DCPOMATIC_ASSERT (_film);
 323
 324                 reset_film ();
 325                 try {
 326                         _stress.set_suspended (true);
 327                         // here
 328                         auto dcp = make_shared<DCPContent>(dir);
 329                         auto job = make_shared<ExamineContentJob>(_film, dcp);
 330                         _examine_job_connection = job->Finished.connect(bind(&DOMFrame::add_dcp_to_film, this, weak_ptr<Job>(job), weak_ptr<Content>(dcp)));
 331                         JobManager::instance()->add (job);
 332                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 333                         if (!ok || !report_errors_from_last_job(this)) {
 334                                 return;
 335                         }
 336                         Config::instance()->add_to_player_history (dir);
 337                 } catch (ProjectFolderError &) {
 338                         error_dialog (
 339                                 this,
 340                                 wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())),
 341                                 _(
 342                                         "This looks like a DCP-o-matic project folder, which cannot be loaded into the player.  "
 343                                         "Choose the DCP directory inside the DCP-o-matic project folder if that's what you want to play."
 344                                  )
 345                                 );
 346                 } catch (dcp::ReadError& e) {
 347                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 348                 } catch (DCPError& e) {
 349                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 350                 }
 351         }
 352
 353         void add_dcp_to_film (weak_ptr<Job> weak_job, weak_ptr<Content> weak_content)
 354         {
 355                 auto job = weak_job.lock ();
 356                 if (!job || !job->finished_ok()) {
 357                         return;
 358                 }
 359
 360                 auto content = weak_content.lock ();
 361                 if (!content) {
 362                         return;
 363                 }
 364
 365                 _film->add_content (content);
 366                 _stress.set_suspended (false);
 367         }
 368
 369         void reset_film_weak (weak_ptr<Film> weak_film)
 370         {
 371                 auto film = weak_film.lock ();
 372                 if (film) {
 373                         reset_film (film);
 374                 }
 375         }
 376
 377         void reset_film (shared_ptr<Film> film = shared_ptr<Film>(new Film(optional<boost::filesystem::path>())))
 378         {
 379                 _film = film;
 380                 _film->set_tolerant (true);
 381                 _film->set_audio_channels (MAX_DCP_AUDIO_CHANNELS);
 382                 _viewer->set_film (_film);
 383                 _controls->set_film (_film);
 384                 _film->Change.connect (bind(&DOMFrame::film_changed, this, _1, _2));
 385                 _info->triggered_update ();
 386         }
 387
 388         void film_changed (ChangeType type, Film::Property property)
 389         {
 390                 if (type != ChangeType::DONE || property != Film::Property::CONTENT) {
 391                         return;
 392                 }
 393
 394                 if (_viewer->playing ()) {
 395                         _viewer->stop ();
 396                 }
 397
 398                 /* Start off as Flat */
 399                 _film->set_container (Ratio::from_id("185"));
 400
 401                 for (auto i: _film->content()) {
 402                         auto dcp = dynamic_pointer_cast<DCPContent>(i);
 403
 404                         for (auto j: i->text) {
 405                                 j->set_use (true);
 406                         }
 407
 408                         if (i->video) {
 409                                 auto const r = Ratio::nearest_from_ratio(i->video->size().ratio());
 410                                 if (r->id() == "239") {
 411                                         /* Any scope content means we use scope */
 412                                         _film->set_container(r);
 413                                 }
 414                         }
 415
 416                         /* Any 3D content means we use 3D mode */
 417                         if (i->video && i->video->frame_type() != VideoFrameType::TWO_D) {
 418                                 _film->set_three_d (true);
 419                         }
 420                 }
 421
 422                 _viewer->seek (DCPTime(), true);
 423                 _info->triggered_update ();
 424
 425                 set_menu_sensitivity ();
 426
 427                 auto old = _cpl_menu->GetMenuItems();
 428                 for (auto const& i: old) {
 429                         _cpl_menu->Remove (i);
 430                 }
 431
 432                 if (_film->content().size() == 1) {
 433                         /* Offer a CPL menu */
 434                         auto first = dynamic_pointer_cast<DCPContent>(_film->content().front());
 435                         if (first) {
 436                                 DCPExaminer ex (first, true);
 437                                 int id = ID_view_cpl;
 438                                 for (auto i: ex.cpls()) {
 439                                         auto j = _cpl_menu->AppendRadioItem(
 440                                                 id,
 441                                                 wxString::Format("%s (%s)", std_to_wx(i->annotation_text().get_value_or("")).data(), std_to_wx(i->id()).data())
 442                                                 );
 443                                         j->Check(!first->cpl() || i->id() == *first->cpl());
 444                                         ++id;
 445                                 }
 446                         }
 447                 }
 448         }
 449
 450         void load_stress_script (boost::filesystem::path path)
 451         {
 452                 _stress.load_script (path);
 453         }
 454
 455 private:
 456
 457         void examine_content ()
 458         {
 459                 DCPOMATIC_ASSERT (_film);
 460                 auto dcp = dynamic_pointer_cast<DCPContent>(_film->content().front());
 461                 DCPOMATIC_ASSERT (dcp);
 462                 dcp->examine (_film, shared_ptr<Job>());
 463
 464                 /* Examining content re-creates the TextContent objects, so we must re-enable them */
 465                 for (auto i: dcp->text) {
 466                         i->set_use (true);
 467                 }
 468         }
 469
 470         bool report_errors_from_last_job (wxWindow* parent) const
 471         {
 472                 auto jm = JobManager::instance ();
 473
 474                 DCPOMATIC_ASSERT (!jm->get().empty());
 475
 476                 auto last = jm->get().back();
 477                 if (last->finished_in_error()) {
 478                         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()));
 479                         return false;
 480                 }
 481
 482                 return true;
 483         }
 484
 485         void setup_menu (wxMenuBar* m)
 486         {
 487                 _file_menu = new wxMenu;
 488                 _file_menu->Append (ID_file_open, _("&Open...\tCtrl-O"));
 489                 _file_add_ov = _file_menu->Append (ID_file_add_ov, _("&Add OV..."));
 490                 _file_add_kdm = _file_menu->Append (ID_file_add_kdm, _("Add &KDM..."));
 491
 492                 _history_position = _file_menu->GetMenuItems().GetCount();
 493
 494                 _file_menu->AppendSeparator ();
 495                 _file_menu->Append (ID_file_close, _("&Close"));
 496                 _file_menu->AppendSeparator ();
 497
 498 #ifdef __WXOSX__
 499                 _file_menu->Append (wxID_EXIT, _("&Exit"));
 500 #else
 501                 _file_menu->Append (wxID_EXIT, _("&Quit"));
 502 #endif
 503
 504 #ifdef __WXOSX__
 505                 auto prefs = _file_menu->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 506 #else
 507                 auto edit = new wxMenu;
 508                 auto prefs = edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 509 #endif
 510
 511                 prefs->Enable (Config::instance()->have_write_permission());
 512
 513                 _cpl_menu = new wxMenu;
 514
 515                 auto view = new wxMenu;
 516                 auto c = Config::instance()->decode_reduction();
 517                 _view_cpl = view->Append(ID_view_cpl, _("CPL"), _cpl_menu);
 518                 view->AppendSeparator();
 519                 _view_full_screen = view->AppendCheckItem(ID_view_full_screen, _("Full screen\tF11"));
 520                 _view_dual_screen = view->AppendCheckItem(ID_view_dual_screen, _("Dual screen\tShift+F11"));
 521                 setup_menu ();
 522                 view->AppendSeparator();
 523                 view->Append(ID_view_closed_captions, _("Closed captions..."));
 524                 view->AppendSeparator();
 525                 view->AppendRadioItem(ID_view_scale_appropriate, _("Set decode resolution to match display"))->Check(!static_cast<bool>(c));
 526                 view->AppendRadioItem(ID_view_scale_full, _("Decode at full resolution"))->Check(c && c.get() == 0);
 527                 view->AppendRadioItem(ID_view_scale_half, _("Decode at half resolution"))->Check(c && c.get() == 1);
 528                 view->AppendRadioItem(ID_view_scale_quarter, _("Decode at quarter resolution"))->Check(c && c.get() == 2);
 529
 530                 auto tools = new wxMenu;
 531                 _tools_verify = tools->Append (ID_tools_verify, _("Verify DCP..."));
 532                 tools->AppendSeparator ();
 533                 tools->Append (ID_tools_check_for_updates, _("Check for updates"));
 534                 tools->Append (ID_tools_timing, _("Timing..."));
 535                 tools->Append (ID_tools_system_information, _("System information..."));
 536
 537                 auto help = new wxMenu;
 538 #ifdef __WXOSX__
 539                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 540 #else
 541                 help->Append (wxID_ABOUT, _("About"));
 542 #endif
 543                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 544
 545                 m->Append (_file_menu, _("&File"));
 546 #ifndef __WXOSX__
 547                 m->Append (edit, _("&Edit"));
 548 #endif
 549                 m->Append (view, _("&View"));
 550                 m->Append (tools, _("&Tools"));
 551                 m->Append (help, _("&Help"));
 552         }
 553
 554         void file_open ()
 555         {
 556                 auto d = wxStandardPaths::Get().GetDocumentsDir();
 557                 if (Config::instance()->last_player_load_directory()) {
 558                         d = std_to_wx (Config::instance()->last_player_load_directory()->string());
 559                 }
 560
 561                 auto c = new wxDirDialog (this, _("Select DCP to open"), d, wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST);
 562
 563                 int r;
 564                 while (true) {
 565                         r = c->ShowModal ();
 566                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 567                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 568                         } else {
 569                                 break;
 570                         }
 571                 }
 572
 573                 if (r == wxID_OK) {
 574                         boost::filesystem::path const dcp (wx_to_std (c->GetPath ()));
 575                         load_dcp (dcp);
 576                         Config::instance()->set_last_player_load_directory (dcp.parent_path());
 577                 }
 578
 579                 c->Destroy ();
 580         }
 581
 582         void file_add_ov ()
 583         {
 584                 auto c = new wxDirDialog (
 585                         this,
 586                         _("Select DCP to open as OV"),
 587                         wxStandardPaths::Get().GetDocumentsDir(),
 588                         wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST
 589                         );
 590
 591                 int r;
 592                 while (true) {
 593                         r = c->ShowModal ();
 594                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 595                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 596                         } else {
 597                                 break;
 598                         }
 599                 }
 600
 601                 if (r == wxID_OK) {
 602                         DCPOMATIC_ASSERT (_film);
 603                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 604                         DCPOMATIC_ASSERT (dcp);
 605                         dcp->add_ov (wx_to_std(c->GetPath()));
 606                         JobManager::instance()->add(make_shared<ExamineContentJob>(_film, dcp));
 607                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 608                         if (!ok || !report_errors_from_last_job(this)) {
 609                                 return;
 610                         }
 611                         for (auto i: dcp->text) {
 612                                 i->set_use (true);
 613                         }
 614                         if (dcp->video) {
 615                                 auto const r = Ratio::nearest_from_ratio(dcp->video->size().ratio());
 616                                 if (r) {
 617                                         _film->set_container(r);
 618                                 }
 619                         }
 620                 }
 621
 622                 c->Destroy ();
 623                 _info->triggered_update ();
 624         }
 625
 626         void file_add_kdm ()
 627         {
 628                 auto d = new wxFileDialog (this, _("Select KDM"));
 629
 630                 if (d->ShowModal() == wxID_OK) {
 631                         DCPOMATIC_ASSERT (_film);
 632                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 633                         DCPOMATIC_ASSERT (dcp);
 634                         try {
 635                                 if (dcp) {
 636                                         _viewer->set_coalesce_player_changes (true);
 637                                         dcp->add_kdm (dcp::EncryptedKDM(dcp::file_to_string(wx_to_std(d->GetPath()), MAX_KDM_SIZE)));
 638                                         examine_content();
 639                                         _viewer->set_coalesce_player_changes (false);
 640                                 }
 641                         } catch (exception& e) {
 642                                 error_dialog (this, wxString::Format (_("Could not load KDM.")), std_to_wx(e.what()));
 643                                 d->Destroy ();
 644                                 return;
 645                         }
 646                 }
 647
 648                 d->Destroy ();
 649                 _info->triggered_update ();
 650         }
 651
 652         void file_history (wxCommandEvent& event)
 653         {
 654                 auto history = Config::instance()->player_history ();
 655                 int n = event.GetId() - ID_file_history;
 656                 if (n >= 0 && n < static_cast<int> (history.size ())) {
 657                         try {
 658                                 load_dcp (history[n]);
 659                         } catch (exception& e) {
 660                                 error_dialog (0, std_to_wx(String::compose(wx_to_std(_("Could not load DCP %1.")), history[n])), std_to_wx(e.what()));
 661                         }
 662                 }
 663         }
 664
 665         void file_close ()
 666         {
 667                 reset_film ();
 668                 _info->triggered_update ();
 669                 set_menu_sensitivity ();
 670         }
 671
 672         void file_exit ()
 673         {
 674                 Close ();
 675         }
 676
 677         void edit_preferences ()
 678         {
 679                 if (!Config::instance()->have_write_permission()) {
 680                         return;
 681                 }
 682
 683                 if (!_config_dialog) {
 684                         _config_dialog = create_player_config_dialog ();
 685                 }
 686                 _config_dialog->Show (this);
 687         }
 688
 689         void view_cpl (wxCommandEvent& ev)
 690         {
 691                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 692                 DCPOMATIC_ASSERT (dcp);
 693                 DCPExaminer ex (dcp, true);
 694                 int id = ev.GetId() - ID_view_cpl;
 695                 DCPOMATIC_ASSERT (id >= 0);
 696                 DCPOMATIC_ASSERT (id < int(ex.cpls().size()));
 697                 auto cpls = ex.cpls();
 698                 auto i = cpls.begin();
 699                 while (id > 0) {
 700                         ++i;
 701                         --id;
 702                 }
 703
 704                 _viewer->set_coalesce_player_changes (true);
 705                 dcp->set_cpl ((*i)->id());
 706                 examine_content ();
 707                 _viewer->set_coalesce_player_changes (false);
 708
 709                 _info->triggered_update ();
 710         }
 711
 712         void view_full_screen ()
 713         {
 714                 if (_mode == Config::PLAYER_MODE_FULL) {
 715                         _mode = Config::PLAYER_MODE_WINDOW;
 716                 } else {
 717                         _mode = Config::PLAYER_MODE_FULL;
 718                 }
 719                 setup_screen ();
 720                 setup_menu ();
 721         }
 722
 723         void view_dual_screen ()
 724         {
 725                 if (_mode == Config::PLAYER_MODE_DUAL) {
 726                         _mode = Config::PLAYER_MODE_WINDOW;
 727                 } else {
 728                         _mode = Config::PLAYER_MODE_DUAL;
 729                 }
 730                 setup_screen ();
 731                 setup_menu ();
 732         }
 733
 734         void setup_menu ()
 735         {
 736                 if (_view_full_screen) {
 737                         _view_full_screen->Check (_mode == Config::PLAYER_MODE_FULL);
 738                 }
 739                 if (_view_dual_screen) {
 740                         _view_dual_screen->Check (_mode == Config::PLAYER_MODE_DUAL);
 741                 }
 742         }
 743
 744         void setup_screen ()
 745         {
 746                 _controls->Show (_mode != Config::PLAYER_MODE_FULL);
 747                 _info->Show (_mode != Config::PLAYER_MODE_FULL);
 748                 _overall_panel->SetBackgroundColour (_mode == Config::PLAYER_MODE_FULL ? wxColour(0, 0, 0) : wxNullColour);
 749                 ShowFullScreen (_mode == Config::PLAYER_MODE_FULL);
 750                 _viewer->set_pad_black (_mode != Config::PLAYER_MODE_WINDOW);
 751
 752                 if (_mode == Config::PLAYER_MODE_DUAL) {
 753                         _dual_screen = new wxFrame (this, wxID_ANY, wxT(""));
 754                         _dual_screen->SetBackgroundColour (wxColour(0, 0, 0));
 755                         _dual_screen->ShowFullScreen (true);
 756                         _viewer->panel()->Reparent (_dual_screen);
 757                         _dual_screen->Show ();
 758                         if (wxDisplay::GetCount() > 1) {
 759                                 switch (Config::instance()->image_display()) {
 760                                 case 0:
 761                                         _dual_screen->Move (0, 0);
 762                                         Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
 763                                         break;
 764                                 case 1:
 765                                         _dual_screen->Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
 766                                         // (0, 0) doesn't seem to work for some strange reason
 767                                         Move (8, 8);
 768                                         break;
 769                                 }
 770                         }
 771                 } else {
 772                         if (_dual_screen) {
 773                                 _viewer->panel()->Reparent (_overall_panel);
 774                                 _dual_screen->Destroy ();
 775                                 _dual_screen = 0;
 776                         }
 777                 }
 778
 779                 setup_main_sizer (_mode);
 780         }
 781
 782         void view_closed_captions ()
 783         {
 784                 _viewer->show_closed_captions ();
 785         }
 786
 787         void tools_verify ()
 788         {
 789                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 790                 DCPOMATIC_ASSERT (dcp);
 791
 792                 auto job = make_shared<VerifyDCPJob>(dcp->directories());
 793                 auto progress = new VerifyDCPProgressDialog(this, _("DCP-o-matic Player"));
 794                 bool const completed = progress->run (job);
 795                 progress->Destroy ();
 796                 if (!completed) {
 797                         return;
 798                 }
 799
 800                 auto d = new VerifyDCPDialog (this, job);
 801                 d->ShowModal ();
 802                 d->Destroy ();
 803         }
 804
 805         void tools_check_for_updates ()
 806         {
 807                 UpdateChecker::instance()->run ();
 808                 _update_news_requested = true;
 809         }
 810
 811         void tools_timing ()
 812         {
 813                 auto d = new TimerDisplay (this, _viewer->state_timer(), _viewer->gets());
 814                 d->ShowModal ();
 815                 d->Destroy ();
 816         }
 817
 818         void tools_system_information ()
 819         {
 820                 if (!_system_information_dialog) {
 821                         _system_information_dialog = new SystemInformationDialog (this, _viewer);
 822                 }
 823
 824                 _system_information_dialog->Show ();
 825         }
 826
 827         void help_about ()
 828         {
 829                 auto d = new AboutDialog (this);
 830                 d->ShowModal ();
 831                 d->Destroy ();
 832         }
 833
 834         void help_report_a_problem ()
 835         {
 836                 auto d = new ReportProblemDialog (this);
 837                 if (d->ShowModal () == wxID_OK) {
 838                         d->report ();
 839                 }
 840                 d->Destroy ();
 841         }
 842
 843         void update_checker_state_changed ()
 844         {
 845                 auto uc = UpdateChecker::instance ();
 846
 847                 bool const announce =
 848                         _update_news_requested ||
 849                         (uc->stable() && Config::instance()->check_for_updates()) ||
 850                         (uc->test() && Config::instance()->check_for_updates() && Config::instance()->check_for_test_updates());
 851
 852                 _update_news_requested = false;
 853
 854                 if (!announce) {
 855                         return;
 856                 }
 857
 858                 if (uc->state() == UpdateChecker::State::YES) {
 859                         auto dialog = new UpdateDialog (this, uc->stable (), uc->test ());
 860                         dialog->ShowModal ();
 861                         dialog->Destroy ();
 862                 } else if (uc->state() == UpdateChecker::State::FAILED) {
 863                         error_dialog (this, _("The DCP-o-matic download server could not be contacted."));
 864                 } else {
 865                         error_dialog (this, _("There are no new versions of DCP-o-matic available."));
 866                 }
 867
 868                 _update_news_requested = false;
 869         }
 870
 871         void config_changed (Config::Property prop)
 872         {
 873                 /* Instantly save any config changes when using the player GUI */
 874                 try {
 875                         Config::instance()->write_config();
 876                 } catch (FileError& e) {
 877                         if (prop != Config::HISTORY) {
 878                                 error_dialog (
 879                                         this,
 880                                         wxString::Format(
 881                                                 _("Could not write to config file at %s.  Your changes have not been saved."),
 882                                                 std_to_wx(e.file().string())
 883                                                 )
 884                                         );
 885                         }
 886                 } catch (exception& e) {
 887                         error_dialog (
 888                                 this,
 889                                 _("Could not write to config file.  Your changes have not been saved.")
 890                                 );
 891                 }
 892
 893                 update_from_config (prop);
 894         }
 895
 896         void update_from_config (Config::Property prop)
 897         {
 898                 for (int i = 0; i < _history_items; ++i) {
 899                         delete _file_menu->Remove (ID_file_history + i);
 900                 }
 901
 902                 if (_history_separator) {
 903                         _file_menu->Remove (_history_separator);
 904                 }
 905                 delete _history_separator;
 906                 _history_separator = nullptr;
 907
 908                 int pos = _history_position;
 909
 910                 /* Clear out non-existant history items before we re-build the menu */
 911                 Config::instance()->clean_player_history ();
 912                 auto history = Config::instance()->player_history ();
 913
 914                 if (!history.empty ()) {
 915                         _history_separator = _file_menu->InsertSeparator (pos++);
 916                 }
 917
 918                 for (size_t i = 0; i < history.size(); ++i) {
 919                         string s;
 920                         if (i < 9) {
 921                                 s = String::compose ("&%1 %2", i + 1, history[i].string());
 922                         } else {
 923                                 s = history[i].string();
 924                         }
 925                         _file_menu->Insert (pos++, ID_file_history + i, std_to_wx (s));
 926                 }
 927
 928                 _history_items = history.size ();
 929
 930                 if (prop == Config::PLAYER_DEBUG_LOG) {
 931                         auto p = Config::instance()->player_debug_log_file();
 932                         if (p) {
 933                                 dcpomatic_log = make_shared<FileLog>(*p);
 934                         } else {
 935                                 dcpomatic_log = make_shared<NullLog>();
 936                         }
 937                         dcpomatic_log->set_types (LogEntry::TYPE_GENERAL | LogEntry::TYPE_WARNING | LogEntry::TYPE_ERROR | LogEntry::TYPE_DEBUG_VIDEO_VIEW);
 938                 }
 939         }
 940
 941         void set_menu_sensitivity ()
 942         {
 943                 _tools_verify->Enable (static_cast<bool>(_film));
 944                 _file_add_ov->Enable (static_cast<bool>(_film));
 945                 _file_add_kdm->Enable (static_cast<bool>(_film));
 946                 _view_cpl->Enable (static_cast<bool>(_film));
 947         }
 948
 949         void start_stop_pressed ()
 950         {
 951                 if (_viewer->playing()) {
 952                         _viewer->stop();
 953                 } else {
 954                         _viewer->start();
 955                 }
 956         }
 957
 958         void go_back_frame ()
 959         {
 960                 _viewer->seek_by (-_viewer->one_video_frame(), true);
 961         }
 962
 963         void go_forward_frame ()
 964         {
 965                 _viewer->seek_by (_viewer->one_video_frame(), true);
 966         }
 967
 968         void go_seconds (int s)
 969         {
 970                 _viewer->seek_by (DCPTime::from_seconds(s), true);
 971         }
 972
 973         void go_to_start ()
 974         {
 975                 _viewer->seek (DCPTime(), true);
 976         }
 977
 978         void go_to_end ()
 979         {
 980                 _viewer->seek (_film->length() - _viewer->one_video_frame(), true);
 981         }
 982
 983         wxFrame* _dual_screen = nullptr;
 984         bool _update_news_requested = false;
 985         PlayerInformation* _info = nullptr;
 986         Config::PlayerMode _mode;
 987         wxPreferencesEditor* _config_dialog = nullptr;
 988         wxPanel* _overall_panel = nullptr;
 989         wxMenu* _file_menu = nullptr;
 990         wxMenuItem* _view_cpl = nullptr;
 991         wxMenu* _cpl_menu = nullptr;
 992         int _history_items = 0;
 993         int _history_position = 0;
 994         wxMenuItem* _history_separator = nullptr;
 995         shared_ptr<FilmViewer> _viewer;
 996         Controls* _controls;
 997         SystemInformationDialog* _system_information_dialog = nullptr;
 998         std::shared_ptr<Film> _film;
 999         boost::signals2::scoped_connection _config_changed_connection;
1000         boost::signals2::scoped_connection _examine_job_connection;
1001         wxMenuItem* _file_add_ov = nullptr;
1002         wxMenuItem* _file_add_kdm = nullptr;
1003         wxMenuItem* _tools_verify = nullptr;
1004         wxMenuItem* _view_full_screen = nullptr;
1005         wxMenuItem* _view_dual_screen = nullptr;
1006         wxSizer* _main_sizer = nullptr;
1007         PlayerStressTester _stress;
1008 };
1009
1010 static const wxCmdLineEntryDesc command_line_description[] = {
1011         { wxCMD_LINE_PARAM, 0, 0, "DCP to load or create", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1012         { wxCMD_LINE_OPTION, "c", "config", "Directory containing config.xml", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1013         { wxCMD_LINE_OPTION, "s", "stress", "File containing description of stress test", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1014         { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
1015 };
1016
1017 class PlayServer : public Server
1018 {
1019 public:
1020         explicit PlayServer (DOMFrame* frame)
1021                 : Server (PLAYER_PLAY_PORT)
1022                 , _frame (frame)
1023         {}
1024
1025         void handle (shared_ptr<Socket> socket)
1026         {
1027                 try {
1028                         int const length = socket->read_uint32 ();
1029                         scoped_array<char> buffer (new char[length]);
1030                         socket->read (reinterpret_cast<uint8_t*> (buffer.get()), length);
1031                         string s (buffer.get());
1032                         signal_manager->when_idle (bind (&DOMFrame::load_dcp, _frame, s));
1033                         socket->write (reinterpret_cast<uint8_t const *> ("OK"), 3);
1034                 } catch (...) {
1035
1036                 }
1037         }
1038
1039 private:
1040         DOMFrame* _frame;
1041 };
1042
1043 /** @class App
1044  *  @brief The magic App class for wxWidgets.
1045  */
1046 class App : public wxApp
1047 {
1048 public:
1049         App ()
1050                 : wxApp ()
1051         {
1052 #ifdef DCPOMATIC_LINUX
1053                 XInitThreads ();
1054 #endif
1055         }
1056
1057 private:
1058
1059         bool OnInit ()
1060         {
1061                 wxSplashScreen* splash = nullptr;
1062                 try {
1063                         wxInitAllImageHandlers ();
1064
1065                         Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
1066                         Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
1067
1068                         splash = maybe_show_splash ();
1069
1070                         SetAppName (_("DCP-o-matic Player"));
1071
1072                         if (!wxApp::OnInit()) {
1073                                 return false;
1074                         }
1075
1076 #ifdef DCPOMATIC_LINUX
1077                         unsetenv ("UBUNTU_MENUPROXY");
1078 #endif
1079
1080 #ifdef DCPOMATIC_OSX
1081                         make_foreground_application ();
1082 #endif
1083
1084                         dcpomatic_setup_path_encoding ();
1085
1086                         /* Enable i18n; this will create a Config object
1087                            to look for a force-configured language.  This Config
1088                            object will be wrong, however, because dcpomatic_setup
1089                            hasn't yet been called and there aren't any filters etc.
1090                            set up yet.
1091                         */
1092                         dcpomatic_setup_i18n ();
1093
1094                         /* Set things up, including filters etc.
1095                            which will now be internationalised correctly.
1096                         */
1097                         dcpomatic_setup ();
1098
1099                         /* Force the configuration to be re-loaded correctly next
1100                            time it is needed.
1101                         */
1102                         Config::drop ();
1103
1104                         signal_manager = new wxSignalManager (this);
1105
1106                         _frame = new DOMFrame ();
1107                         SetTopWindow (_frame);
1108                         _frame->Maximize ();
1109                         if (splash) {
1110                                 splash->Destroy ();
1111                                 splash = nullptr;
1112                         }
1113                         _frame->Show ();
1114
1115                         try {
1116                                 auto server = new PlayServer (_frame);
1117                                 new thread (boost::bind (&PlayServer::run, server));
1118                         } catch (std::exception& e) {
1119                                 /* This is not the end of the world; probably a failure to bind the server socket
1120                                  * because there's already another player running.
1121                                  */
1122                                 LOG_DEBUG_PLAYER ("Failed to start play server (%1)", e.what());
1123                         }
1124
1125                         if (!_dcp_to_load.empty() && boost::filesystem::is_directory (_dcp_to_load)) {
1126                                 try {
1127                                         _frame->load_dcp (_dcp_to_load);
1128                                 } catch (exception& e) {
1129                                         error_dialog (0, std_to_wx (String::compose (wx_to_std (_("Could not load DCP %1.")), _dcp_to_load)), std_to_wx(e.what()));
1130                                 }
1131                         }
1132
1133                         if (_stress) {
1134                                 try {
1135                                         _frame->load_stress_script (*_stress);
1136                                 } catch (exception& e) {
1137                                         error_dialog (0, wxString::Format("Could not load stress test file %s", std_to_wx(*_stress)));
1138                                 }
1139                         }
1140
1141                         Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
1142
1143                         if (Config::instance()->check_for_updates ()) {
1144                                 UpdateChecker::instance()->run ();
1145                         }
1146                 }
1147                 catch (exception& e)
1148                 {
1149                         if (splash) {
1150                                 splash->Destroy ();
1151                         }
1152                         error_dialog (0, _("DCP-o-matic Player could not start."), std_to_wx(e.what()));
1153                 }
1154
1155                 return true;
1156         }
1157
1158         void OnInitCmdLine (wxCmdLineParser& parser)
1159         {
1160                 parser.SetDesc (command_line_description);
1161                 parser.SetSwitchChars (wxT ("-"));
1162         }
1163
1164         bool OnCmdLineParsed (wxCmdLineParser& parser)
1165         {
1166                 if (parser.GetParamCount() > 0) {
1167                         _dcp_to_load = wx_to_std (parser.GetParam (0));
1168                 }
1169
1170                 wxString config;
1171                 if (parser.Found("c", &config)) {
1172                         Config::override_path = wx_to_std (config);
1173                 }
1174                 wxString stress;
1175                 if (parser.Found("s", &stress)) {
1176                         _stress = wx_to_std (stress);
1177                 }
1178
1179                 return true;
1180         }
1181
1182         void report_exception ()
1183         {
1184                 try {
1185                         throw;
1186                 } catch (FileError& e) {
1187                         error_dialog (
1188                                 0,
1189                                 wxString::Format (
1190                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
1191                                         std_to_wx (e.what()),
1192                                         std_to_wx (e.file().string().c_str ())
1193                                         )
1194                                 );
1195                 } catch (exception& e) {
1196                         error_dialog (
1197                                 0,
1198                                 wxString::Format (
1199                                         _("An exception occurred: %s.\n\n") + REPORT_PROBLEM,
1200                                         std_to_wx (e.what ())
1201                                         )
1202                                 );
1203                 } catch (...) {
1204                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
1205                 }
1206         }
1207
1208         /* An unhandled exception has occurred inside the main event loop */
1209         bool OnExceptionInMainLoop ()
1210         {
1211                 report_exception ();
1212                 /* This will terminate the program */
1213                 return false;
1214         }
1215
1216         void OnUnhandledException ()
1217         {
1218                 report_exception ();
1219         }
1220
1221         void idle ()
1222         {
1223                 signal_manager->ui_idle ();
1224         }
1225
1226         void config_failed_to_load ()
1227         {
1228                 message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
1229         }
1230
1231         void config_warning (string m)
1232         {
1233                 message_dialog (_frame, std_to_wx (m));
1234         }
1235
1236         DOMFrame* _frame = nullptr;
1237         string _dcp_to_load;
1238         boost::optional<string> _stress;
1239 };
1240
1241 IMPLEMENT_APP (App)