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                 wxAcceleratorEntry* accel = new wxAcceleratorEntry[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);
 229                 SetAcceleratorTable (accel_table);
 230                 delete[] accel;
 231
 232                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::start_stop_pressed, this), ID_start_stop);
 233                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_back_frame, this),      ID_go_back_frame);
 234                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_forward_frame, this),   ID_go_forward_frame);
 235                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   -60), ID_go_back_small_amount);
 236                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,    60), ID_go_forward_small_amount);
 237                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  -600), ID_go_back_medium_amount);
 238                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   600), ID_go_forward_medium_amount);
 239                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this, -3600), ID_go_back_large_amount);
 240                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  3600), ID_go_forward_large_amount);
 241                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_start, this), ID_go_to_start);
 242                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_end,   this), ID_go_to_end);
 243
 244                 reset_film ();
 245
 246                 UpdateChecker::instance()->StateChanged.connect (boost::bind(&DOMFrame::update_checker_state_changed, this));
 247                 setup_screen ();
 248
 249                 _stress.LoadDCP.connect (boost::bind(&DOMFrame::load_dcp, this, _1));
 250         }
 251
 252         ~DOMFrame ()
 253         {
 254                 /* It's important that this is stopped before our frame starts destroying its children,
 255                  * otherwise UI elements that it depends on will disappear from under it.
 256                  */
 257                 _viewer.reset ();
 258         }
 259
 260         void setup_main_sizer (Config::PlayerMode mode)
 261         {
 262                 _main_sizer->Detach (_viewer->panel());
 263                 _main_sizer->Detach (_controls);
 264                 _main_sizer->Detach (_info);
 265                 if (mode != Config::PLAYER_MODE_DUAL) {
 266                         _main_sizer->Add (_viewer->panel(), 1, wxEXPAND);
 267                 }
 268                 _main_sizer->Add (_controls, mode == Config::PLAYER_MODE_DUAL ? 1 : 0, wxEXPAND | wxALL, 6);
 269                 _main_sizer->Add (_info, 0, wxEXPAND | wxALL, 6);
 270                 _overall_panel->SetSizer (_main_sizer);
 271                 _overall_panel->Layout ();
 272         }
 273
 274         bool playback_permitted ()
 275         {
 276                 if (!_film || !Config::instance()->respect_kdm_validity_periods()) {
 277                         return true;
 278                 }
 279
 280                 bool ok = true;
 281                 for (auto i: _film->content()) {
 282                         auto d = dynamic_pointer_cast<DCPContent>(i);
 283                         if (d && !d->kdm_timing_window_valid()) {
 284                                 ok = false;
 285                         }
 286                 }
 287
 288                 if (!ok) {
 289                         error_dialog (this, _("The KDM does not allow playback of this content at this time."));
 290                 }
 291
 292                 return ok;
 293         }
 294
 295
 296         void too_many_frames_dropped ()
 297         {
 298                 if (!Config::instance()->nagged(Config::NAG_TOO_MANY_DROPPED_FRAMES)) {
 299                         _viewer->stop ();
 300                 }
 301
 302                 NagDialog::maybe_nag (
 303                         this,
 304                         Config::NAG_TOO_MANY_DROPPED_FRAMES,
 305                         _(wxS("The player is dropping a lot of frames, so playback may not be accurate.\n\n"
 306                           "<b>This does not necessarily mean that the DCP you are playing is defective!</b>\n\n"
 307                           "You may be able to improve player performance by:\n"
 308                           "• choosing 'decode at half resolution' or 'decode at quarter resolution' from the View menu\n"
 309                           "• using a more powerful computer.\n"
 310                          ))
 311                         );
 312         }
 313
 314         void set_decode_reduction (optional<int> reduction)
 315         {
 316                 _viewer->set_dcp_decode_reduction (reduction);
 317                 _info->triggered_update ();
 318                 Config::instance()->set_decode_reduction (reduction);
 319         }
 320
 321         void load_dcp (boost::filesystem::path dir)
 322         {
 323                 DCPOMATIC_ASSERT (_film);
 324
 325                 reset_film ();
 326                 try {
 327                         _stress.set_suspended (true);
 328                         // here
 329                         auto dcp = make_shared<DCPContent>(dir);
 330                         auto job = make_shared<ExamineContentJob>(_film, dcp);
 331                         _examine_job_connection = job->Finished.connect(bind(&DOMFrame::add_dcp_to_film, this, weak_ptr<Job>(job), weak_ptr<Content>(dcp)));
 332                         JobManager::instance()->add (job);
 333                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 334                         if (!ok || !report_errors_from_last_job(this)) {
 335                                 return;
 336                         }
 337                         Config::instance()->add_to_player_history (dir);
 338                 } catch (ProjectFolderError &) {
 339                         error_dialog (
 340                                 this,
 341                                 wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())),
 342                                 _(
 343                                         "This looks like a DCP-o-matic project folder, which cannot be loaded into the player.  "
 344                                         "Choose the DCP directory inside the DCP-o-matic project folder if that's what you want to play."
 345                                  )
 346                                 );
 347                 } catch (dcp::ReadError& e) {
 348                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 349                 } catch (DCPError& e) {
 350                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 351                 }
 352         }
 353
 354         void add_dcp_to_film (weak_ptr<Job> weak_job, weak_ptr<Content> weak_content)
 355         {
 356                 auto job = weak_job.lock ();
 357                 if (!job || !job->finished_ok()) {
 358                         return;
 359                 }
 360
 361                 auto content = weak_content.lock ();
 362                 if (!content) {
 363                         return;
 364                 }
 365
 366                 _film->add_content (content);
 367                 _stress.set_suspended (false);
 368         }
 369
 370         void reset_film_weak (weak_ptr<Film> weak_film)
 371         {
 372                 auto film = weak_film.lock ();
 373                 if (film) {
 374                         reset_film (film);
 375                 }
 376         }
 377
 378         void reset_film (shared_ptr<Film> film = shared_ptr<Film>(new Film(optional<boost::filesystem::path>())))
 379         {
 380                 _film = film;
 381                 _film->set_tolerant (true);
 382                 _film->set_audio_channels (MAX_DCP_AUDIO_CHANNELS);
 383                 _viewer->set_film (_film);
 384                 _controls->set_film (_film);
 385                 _film->Change.connect (bind(&DOMFrame::film_changed, this, _1, _2));
 386                 _info->triggered_update ();
 387         }
 388
 389         void film_changed (ChangeType type, Film::Property property)
 390         {
 391                 if (type != ChangeType::DONE || property != Film::Property::CONTENT) {
 392                         return;
 393                 }
 394
 395                 if (_viewer->playing ()) {
 396                         _viewer->stop ();
 397                 }
 398
 399                 /* Start off as Flat */
 400                 _film->set_container (Ratio::from_id("185"));
 401
 402                 for (auto i: _film->content()) {
 403                         auto dcp = dynamic_pointer_cast<DCPContent>(i);
 404
 405                         for (auto j: i->text) {
 406                                 j->set_use (true);
 407                         }
 408
 409                         if (i->video) {
 410                                 auto const r = Ratio::nearest_from_ratio(i->video->size().ratio());
 411                                 if (r->id() == "239") {
 412                                         /* Any scope content means we use scope */
 413                                         _film->set_container(r);
 414                                 }
 415                         }
 416
 417                         /* Any 3D content means we use 3D mode */
 418                         if (i->video && i->video->frame_type() != VideoFrameType::TWO_D) {
 419                                 _film->set_three_d (true);
 420                         }
 421                 }
 422
 423                 _viewer->seek (DCPTime(), true);
 424                 _info->triggered_update ();
 425
 426                 set_menu_sensitivity ();
 427
 428                 auto old = _cpl_menu->GetMenuItems();
 429                 for (auto const& i: old) {
 430                         _cpl_menu->Remove (i);
 431                 }
 432
 433                 if (_film->content().size() == 1) {
 434                         /* Offer a CPL menu */
 435                         auto first = dynamic_pointer_cast<DCPContent>(_film->content().front());
 436                         if (first) {
 437                                 DCPExaminer ex (first, true);
 438                                 int id = ID_view_cpl;
 439                                 for (auto i: ex.cpls()) {
 440                                         auto j = _cpl_menu->AppendRadioItem(
 441                                                 id,
 442                                                 wxString::Format("%s (%s)", std_to_wx(i->annotation_text().get_value_or("")).data(), std_to_wx(i->id()).data())
 443                                                 );
 444                                         j->Check(!first->cpl() || i->id() == *first->cpl());
 445                                         ++id;
 446                                 }
 447                         }
 448                 }
 449         }
 450
 451         void load_stress_script (boost::filesystem::path path)
 452         {
 453                 _stress.load_script (path);
 454         }
 455
 456 private:
 457
 458         void examine_content ()
 459         {
 460                 DCPOMATIC_ASSERT (_film);
 461                 auto dcp = dynamic_pointer_cast<DCPContent>(_film->content().front());
 462                 DCPOMATIC_ASSERT (dcp);
 463                 dcp->examine (_film, shared_ptr<Job>());
 464
 465                 /* Examining content re-creates the TextContent objects, so we must re-enable them */
 466                 for (auto i: dcp->text) {
 467                         i->set_use (true);
 468                 }
 469         }
 470
 471         bool report_errors_from_last_job (wxWindow* parent) const
 472         {
 473                 auto jm = JobManager::instance ();
 474
 475                 DCPOMATIC_ASSERT (!jm->get().empty());
 476
 477                 auto last = jm->get().back();
 478                 if (last->finished_in_error()) {
 479                         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()));
 480                         return false;
 481                 }
 482
 483                 return true;
 484         }
 485
 486         void setup_menu (wxMenuBar* m)
 487         {
 488                 _file_menu = new wxMenu;
 489                 _file_menu->Append (ID_file_open, _("&Open...\tCtrl-O"));
 490                 _file_add_ov = _file_menu->Append (ID_file_add_ov, _("&Add OV..."));
 491                 _file_add_kdm = _file_menu->Append (ID_file_add_kdm, _("Add &KDM..."));
 492
 493                 _history_position = _file_menu->GetMenuItems().GetCount();
 494
 495                 _file_menu->AppendSeparator ();
 496                 _file_menu->Append (ID_file_close, _("&Close"));
 497                 _file_menu->AppendSeparator ();
 498
 499 #ifdef __WXOSX__
 500                 _file_menu->Append (wxID_EXIT, _("&Exit"));
 501 #else
 502                 _file_menu->Append (wxID_EXIT, _("&Quit"));
 503 #endif
 504
 505 #ifdef __WXOSX__
 506                 auto prefs = _file_menu->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 507 #else
 508                 auto edit = new wxMenu;
 509                 auto prefs = edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 510 #endif
 511
 512                 prefs->Enable (Config::instance()->have_write_permission());
 513
 514                 _cpl_menu = new wxMenu;
 515
 516                 auto view = new wxMenu;
 517                 auto c = Config::instance()->decode_reduction();
 518                 _view_cpl = view->Append(ID_view_cpl, _("CPL"), _cpl_menu);
 519                 view->AppendSeparator();
 520                 _view_full_screen = view->AppendCheckItem(ID_view_full_screen, _("Full screen\tF11"));
 521                 _view_dual_screen = view->AppendCheckItem(ID_view_dual_screen, _("Dual screen\tShift+F11"));
 522                 setup_menu ();
 523                 view->AppendSeparator();
 524                 view->Append(ID_view_closed_captions, _("Closed captions..."));
 525                 view->AppendSeparator();
 526                 view->AppendRadioItem(ID_view_scale_appropriate, _("Set decode resolution to match display"))->Check(!static_cast<bool>(c));
 527                 view->AppendRadioItem(ID_view_scale_full, _("Decode at full resolution"))->Check(c && c.get() == 0);
 528                 view->AppendRadioItem(ID_view_scale_half, _("Decode at half resolution"))->Check(c && c.get() == 1);
 529                 view->AppendRadioItem(ID_view_scale_quarter, _("Decode at quarter resolution"))->Check(c && c.get() == 2);
 530
 531                 auto tools = new wxMenu;
 532                 _tools_verify = tools->Append (ID_tools_verify, _("Verify DCP..."));
 533                 tools->AppendSeparator ();
 534                 tools->Append (ID_tools_check_for_updates, _("Check for updates"));
 535                 tools->Append (ID_tools_timing, _("Timing..."));
 536                 tools->Append (ID_tools_system_information, _("System information..."));
 537
 538                 auto help = new wxMenu;
 539 #ifdef __WXOSX__
 540                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 541 #else
 542                 help->Append (wxID_ABOUT, _("About"));
 543 #endif
 544                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 545
 546                 m->Append (_file_menu, _("&File"));
 547 #ifndef __WXOSX__
 548                 m->Append (edit, _("&Edit"));
 549 #endif
 550                 m->Append (view, _("&View"));
 551                 m->Append (tools, _("&Tools"));
 552                 m->Append (help, _("&Help"));
 553         }
 554
 555         void file_open ()
 556         {
 557                 auto d = wxStandardPaths::Get().GetDocumentsDir();
 558                 if (Config::instance()->last_player_load_directory()) {
 559                         d = std_to_wx (Config::instance()->last_player_load_directory()->string());
 560                 }
 561
 562                 auto c = new wxDirDialog (this, _("Select DCP to open"), d, wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST);
 563
 564                 int r;
 565                 while (true) {
 566                         r = c->ShowModal ();
 567                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 568                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 569                         } else {
 570                                 break;
 571                         }
 572                 }
 573
 574                 if (r == wxID_OK) {
 575                         boost::filesystem::path const dcp (wx_to_std (c->GetPath ()));
 576                         load_dcp (dcp);
 577                         Config::instance()->set_last_player_load_directory (dcp.parent_path());
 578                 }
 579
 580                 c->Destroy ();
 581         }
 582
 583         void file_add_ov ()
 584         {
 585                 auto c = new wxDirDialog (
 586                         this,
 587                         _("Select DCP to open as OV"),
 588                         wxStandardPaths::Get().GetDocumentsDir(),
 589                         wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST
 590                         );
 591
 592                 int r;
 593                 while (true) {
 594                         r = c->ShowModal ();
 595                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 596                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 597                         } else {
 598                                 break;
 599                         }
 600                 }
 601
 602                 if (r == wxID_OK) {
 603                         DCPOMATIC_ASSERT (_film);
 604                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 605                         DCPOMATIC_ASSERT (dcp);
 606                         dcp->add_ov (wx_to_std(c->GetPath()));
 607                         JobManager::instance()->add(make_shared<ExamineContentJob>(_film, dcp));
 608                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 609                         if (!ok || !report_errors_from_last_job(this)) {
 610                                 return;
 611                         }
 612                         for (auto i: dcp->text) {
 613                                 i->set_use (true);
 614                         }
 615                         if (dcp->video) {
 616                                 auto const r = Ratio::nearest_from_ratio(dcp->video->size().ratio());
 617                                 if (r) {
 618                                         _film->set_container(r);
 619                                 }
 620                         }
 621                 }
 622
 623                 c->Destroy ();
 624                 _info->triggered_update ();
 625         }
 626
 627         void file_add_kdm ()
 628         {
 629                 auto d = new wxFileDialog (this, _("Select KDM"));
 630
 631                 if (d->ShowModal() == wxID_OK) {
 632                         DCPOMATIC_ASSERT (_film);
 633                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 634                         DCPOMATIC_ASSERT (dcp);
 635                         try {
 636                                 if (dcp) {
 637                                         _viewer->set_coalesce_player_changes (true);
 638                                         dcp->add_kdm (dcp::EncryptedKDM(dcp::file_to_string(wx_to_std(d->GetPath()), MAX_KDM_SIZE)));
 639                                         examine_content();
 640                                         _viewer->set_coalesce_player_changes (false);
 641                                 }
 642                         } catch (exception& e) {
 643                                 error_dialog (this, wxString::Format (_("Could not load KDM.")), std_to_wx(e.what()));
 644                                 d->Destroy ();
 645                                 return;
 646                         }
 647                 }
 648
 649                 d->Destroy ();
 650                 _info->triggered_update ();
 651         }
 652
 653         void file_history (wxCommandEvent& event)
 654         {
 655                 auto history = Config::instance()->player_history ();
 656                 int n = event.GetId() - ID_file_history;
 657                 if (n >= 0 && n < static_cast<int> (history.size ())) {
 658                         try {
 659                                 load_dcp (history[n]);
 660                         } catch (exception& e) {
 661                                 error_dialog (0, std_to_wx(String::compose(wx_to_std(_("Could not load DCP %1.")), history[n])), std_to_wx(e.what()));
 662                         }
 663                 }
 664         }
 665
 666         void file_close ()
 667         {
 668                 reset_film ();
 669                 _info->triggered_update ();
 670                 set_menu_sensitivity ();
 671         }
 672
 673         void file_exit ()
 674         {
 675                 Close ();
 676         }
 677
 678         void edit_preferences ()
 679         {
 680                 if (!Config::instance()->have_write_permission()) {
 681                         return;
 682                 }
 683
 684                 if (!_config_dialog) {
 685                         _config_dialog = create_player_config_dialog ();
 686                 }
 687                 _config_dialog->Show (this);
 688         }
 689
 690         void view_cpl (wxCommandEvent& ev)
 691         {
 692                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 693                 DCPOMATIC_ASSERT (dcp);
 694                 DCPExaminer ex (dcp, true);
 695                 int id = ev.GetId() - ID_view_cpl;
 696                 DCPOMATIC_ASSERT (id >= 0);
 697                 DCPOMATIC_ASSERT (id < int(ex.cpls().size()));
 698                 auto cpls = ex.cpls();
 699                 auto i = cpls.begin();
 700                 while (id > 0) {
 701                         ++i;
 702                         --id;
 703                 }
 704
 705                 _viewer->set_coalesce_player_changes (true);
 706                 dcp->set_cpl ((*i)->id());
 707                 examine_content ();
 708                 _viewer->set_coalesce_player_changes (false);
 709
 710                 _info->triggered_update ();
 711         }
 712
 713         void view_full_screen ()
 714         {
 715                 if (_mode == Config::PLAYER_MODE_FULL) {
 716                         _mode = Config::PLAYER_MODE_WINDOW;
 717                 } else {
 718                         _mode = Config::PLAYER_MODE_FULL;
 719                 }
 720                 setup_screen ();
 721                 setup_menu ();
 722         }
 723
 724         void view_dual_screen ()
 725         {
 726                 if (_mode == Config::PLAYER_MODE_DUAL) {
 727                         _mode = Config::PLAYER_MODE_WINDOW;
 728                 } else {
 729                         _mode = Config::PLAYER_MODE_DUAL;
 730                 }
 731                 setup_screen ();
 732                 setup_menu ();
 733         }
 734
 735         void setup_menu ()
 736         {
 737                 if (_view_full_screen) {
 738                         _view_full_screen->Check (_mode == Config::PLAYER_MODE_FULL);
 739                 }
 740                 if (_view_dual_screen) {
 741                         _view_dual_screen->Check (_mode == Config::PLAYER_MODE_DUAL);
 742                 }
 743         }
 744
 745         void setup_screen ()
 746         {
 747                 _controls->Show (_mode != Config::PLAYER_MODE_FULL);
 748                 _info->Show (_mode != Config::PLAYER_MODE_FULL);
 749                 _overall_panel->SetBackgroundColour (_mode == Config::PLAYER_MODE_FULL ? wxColour(0, 0, 0) : wxNullColour);
 750                 ShowFullScreen (_mode == Config::PLAYER_MODE_FULL);
 751                 _viewer->set_pad_black (_mode != Config::PLAYER_MODE_WINDOW);
 752
 753                 if (_mode == Config::PLAYER_MODE_DUAL) {
 754                         _dual_screen = new wxFrame (this, wxID_ANY, wxT(""));
 755                         _dual_screen->SetBackgroundColour (wxColour(0, 0, 0));
 756                         _dual_screen->ShowFullScreen (true);
 757                         _viewer->panel()->Reparent (_dual_screen);
 758                         _dual_screen->Show ();
 759                         if (wxDisplay::GetCount() > 1) {
 760                                 switch (Config::instance()->image_display()) {
 761                                 case 0:
 762                                         _dual_screen->Move (0, 0);
 763                                         Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
 764                                         break;
 765                                 case 1:
 766                                         _dual_screen->Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
 767                                         // (0, 0) doesn't seem to work for some strange reason
 768                                         Move (8, 8);
 769                                         break;
 770                                 }
 771                         }
 772                 } else {
 773                         if (_dual_screen) {
 774                                 _viewer->panel()->Reparent (_overall_panel);
 775                                 _dual_screen->Destroy ();
 776                                 _dual_screen = 0;
 777                         }
 778                 }
 779
 780                 setup_main_sizer (_mode);
 781         }
 782
 783         void view_closed_captions ()
 784         {
 785                 _viewer->show_closed_captions ();
 786         }
 787
 788         void tools_verify ()
 789         {
 790                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 791                 DCPOMATIC_ASSERT (dcp);
 792
 793                 auto job = make_shared<VerifyDCPJob>(dcp->directories());
 794                 auto progress = new VerifyDCPProgressDialog(this, _("DCP-o-matic Player"));
 795                 bool const completed = progress->run (job);
 796                 progress->Destroy ();
 797                 if (!completed) {
 798                         return;
 799                 }
 800
 801                 auto d = new VerifyDCPDialog (this, job);
 802                 d->ShowModal ();
 803                 d->Destroy ();
 804         }
 805
 806         void tools_check_for_updates ()
 807         {
 808                 UpdateChecker::instance()->run ();
 809                 _update_news_requested = true;
 810         }
 811
 812         void tools_timing ()
 813         {
 814                 auto d = new TimerDisplay (this, _viewer->state_timer(), _viewer->gets());
 815                 d->ShowModal ();
 816                 d->Destroy ();
 817         }
 818
 819         void tools_system_information ()
 820         {
 821                 if (!_system_information_dialog) {
 822                         _system_information_dialog = new SystemInformationDialog (this, _viewer);
 823                 }
 824
 825                 _system_information_dialog->Show ();
 826         }
 827
 828         void help_about ()
 829         {
 830                 auto d = new AboutDialog (this);
 831                 d->ShowModal ();
 832                 d->Destroy ();
 833         }
 834
 835         void help_report_a_problem ()
 836         {
 837                 auto d = new ReportProblemDialog (this);
 838                 if (d->ShowModal () == wxID_OK) {
 839                         d->report ();
 840                 }
 841                 d->Destroy ();
 842         }
 843
 844         void update_checker_state_changed ()
 845         {
 846                 auto uc = UpdateChecker::instance ();
 847
 848                 bool const announce =
 849                         _update_news_requested ||
 850                         (uc->stable() && Config::instance()->check_for_updates()) ||
 851                         (uc->test() && Config::instance()->check_for_updates() && Config::instance()->check_for_test_updates());
 852
 853                 _update_news_requested = false;
 854
 855                 if (!announce) {
 856                         return;
 857                 }
 858
 859                 if (uc->state() == UpdateChecker::State::YES) {
 860                         auto dialog = new UpdateDialog (this, uc->stable (), uc->test ());
 861                         dialog->ShowModal ();
 862                         dialog->Destroy ();
 863                 } else if (uc->state() == UpdateChecker::State::FAILED) {
 864                         error_dialog (this, _("The DCP-o-matic download server could not be contacted."));
 865                 } else {
 866                         error_dialog (this, _("There are no new versions of DCP-o-matic available."));
 867                 }
 868
 869                 _update_news_requested = false;
 870         }
 871
 872         void config_changed (Config::Property prop)
 873         {
 874                 /* Instantly save any config changes when using the player GUI */
 875                 try {
 876                         Config::instance()->write_config();
 877                 } catch (FileError& e) {
 878                         if (prop != Config::HISTORY) {
 879                                 error_dialog (
 880                                         this,
 881                                         wxString::Format(
 882                                                 _("Could not write to config file at %s.  Your changes have not been saved."),
 883                                                 std_to_wx(e.file().string())
 884                                                 )
 885                                         );
 886                         }
 887                 } catch (exception& e) {
 888                         error_dialog (
 889                                 this,
 890                                 _("Could not write to config file.  Your changes have not been saved.")
 891                                 );
 892                 }
 893
 894                 update_from_config (prop);
 895         }
 896
 897         void update_from_config (Config::Property prop)
 898         {
 899                 for (int i = 0; i < _history_items; ++i) {
 900                         delete _file_menu->Remove (ID_file_history + i);
 901                 }
 902
 903                 if (_history_separator) {
 904                         _file_menu->Remove (_history_separator);
 905                 }
 906                 delete _history_separator;
 907                 _history_separator = nullptr;
 908
 909                 int pos = _history_position;
 910
 911                 /* Clear out non-existant history items before we re-build the menu */
 912                 Config::instance()->clean_player_history ();
 913                 auto history = Config::instance()->player_history ();
 914
 915                 if (!history.empty ()) {
 916                         _history_separator = _file_menu->InsertSeparator (pos++);
 917                 }
 918
 919                 for (size_t i = 0; i < history.size(); ++i) {
 920                         string s;
 921                         if (i < 9) {
 922                                 s = String::compose ("&%1 %2", i + 1, history[i].string());
 923                         } else {
 924                                 s = history[i].string();
 925                         }
 926                         _file_menu->Insert (pos++, ID_file_history + i, std_to_wx (s));
 927                 }
 928
 929                 _history_items = history.size ();
 930
 931                 if (prop == Config::PLAYER_DEBUG_LOG) {
 932                         auto p = Config::instance()->player_debug_log_file();
 933                         if (p) {
 934                                 dcpomatic_log = make_shared<FileLog>(*p);
 935                         } else {
 936                                 dcpomatic_log = make_shared<NullLog>();
 937                         }
 938                         dcpomatic_log->set_types (LogEntry::TYPE_GENERAL | LogEntry::TYPE_WARNING | LogEntry::TYPE_ERROR | LogEntry::TYPE_DEBUG_VIDEO_VIEW);
 939                 }
 940         }
 941
 942         void set_menu_sensitivity ()
 943         {
 944                 _tools_verify->Enable (static_cast<bool>(_film));
 945                 _file_add_ov->Enable (static_cast<bool>(_film));
 946                 _file_add_kdm->Enable (static_cast<bool>(_film));
 947                 _view_cpl->Enable (static_cast<bool>(_film));
 948         }
 949
 950         void start_stop_pressed ()
 951         {
 952                 if (_viewer->playing()) {
 953                         _viewer->stop();
 954                 } else {
 955                         _viewer->start();
 956                 }
 957         }
 958
 959         void go_back_frame ()
 960         {
 961                 _viewer->seek_by (-_viewer->one_video_frame(), true);
 962         }
 963
 964         void go_forward_frame ()
 965         {
 966                 _viewer->seek_by (_viewer->one_video_frame(), true);
 967         }
 968
 969         void go_seconds (int s)
 970         {
 971                 _viewer->seek_by (DCPTime::from_seconds(s), true);
 972         }
 973
 974         void go_to_start ()
 975         {
 976                 _viewer->seek (DCPTime(), true);
 977         }
 978
 979         void go_to_end ()
 980         {
 981                 _viewer->seek (_film->length() - _viewer->one_video_frame(), true);
 982         }
 983
 984         wxFrame* _dual_screen = nullptr;
 985         bool _update_news_requested = false;
 986         PlayerInformation* _info = nullptr;
 987         Config::PlayerMode _mode;
 988         wxPreferencesEditor* _config_dialog = nullptr;
 989         wxPanel* _overall_panel = nullptr;
 990         wxMenu* _file_menu = nullptr;
 991         wxMenuItem* _view_cpl = nullptr;
 992         wxMenu* _cpl_menu = nullptr;
 993         int _history_items = 0;
 994         int _history_position = 0;
 995         wxMenuItem* _history_separator = nullptr;
 996         shared_ptr<FilmViewer> _viewer;
 997         Controls* _controls;
 998         SystemInformationDialog* _system_information_dialog = nullptr;
 999         std::shared_ptr<Film> _film;
1000         boost::signals2::scoped_connection _config_changed_connection;
1001         boost::signals2::scoped_connection _examine_job_connection;
1002         wxMenuItem* _file_add_ov = nullptr;
1003         wxMenuItem* _file_add_kdm = nullptr;
1004         wxMenuItem* _tools_verify = nullptr;
1005         wxMenuItem* _view_full_screen = nullptr;
1006         wxMenuItem* _view_dual_screen = nullptr;
1007         wxSizer* _main_sizer = nullptr;
1008         PlayerStressTester _stress;
1009 };
1010
1011 static const wxCmdLineEntryDesc command_line_description[] = {
1012         { wxCMD_LINE_PARAM, 0, 0, "DCP to load or create", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1013         { wxCMD_LINE_OPTION, "c", "config", "Directory containing config.xml", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1014         { wxCMD_LINE_OPTION, "s", "stress", "File containing description of stress test", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1015         { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
1016 };
1017
1018 class PlayServer : public Server
1019 {
1020 public:
1021         explicit PlayServer (DOMFrame* frame)
1022                 : Server (PLAYER_PLAY_PORT)
1023                 , _frame (frame)
1024         {}
1025
1026         void handle (shared_ptr<Socket> socket)
1027         {
1028                 try {
1029                         int const length = socket->read_uint32 ();
1030                         scoped_array<char> buffer (new char[length]);
1031                         socket->read (reinterpret_cast<uint8_t*> (buffer.get()), length);
1032                         string s (buffer.get());
1033                         signal_manager->when_idle (bind (&DOMFrame::load_dcp, _frame, s));
1034                         socket->write (reinterpret_cast<uint8_t const *> ("OK"), 3);
1035                 } catch (...) {
1036
1037                 }
1038         }
1039
1040 private:
1041         DOMFrame* _frame;
1042 };
1043
1044 /** @class App
1045  *  @brief The magic App class for wxWidgets.
1046  */
1047 class App : public wxApp
1048 {
1049 public:
1050         App ()
1051                 : wxApp ()
1052         {
1053 #ifdef DCPOMATIC_LINUX
1054                 XInitThreads ();
1055 #endif
1056         }
1057
1058 private:
1059
1060         bool OnInit ()
1061         {
1062                 wxSplashScreen* splash = nullptr;
1063                 try {
1064                         wxInitAllImageHandlers ();
1065
1066                         Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
1067                         Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
1068
1069                         splash = maybe_show_splash ();
1070
1071                         SetAppName (_("DCP-o-matic Player"));
1072
1073                         if (!wxApp::OnInit()) {
1074                                 return false;
1075                         }
1076
1077 #ifdef DCPOMATIC_LINUX
1078                         unsetenv ("UBUNTU_MENUPROXY");
1079 #endif
1080
1081 #ifdef DCPOMATIC_OSX
1082                         make_foreground_application ();
1083 #endif
1084
1085                         dcpomatic_setup_path_encoding ();
1086
1087                         /* Enable i18n; this will create a Config object
1088                            to look for a force-configured language.  This Config
1089                            object will be wrong, however, because dcpomatic_setup
1090                            hasn't yet been called and there aren't any filters etc.
1091                            set up yet.
1092                         */
1093                         dcpomatic_setup_i18n ();
1094
1095                         /* Set things up, including filters etc.
1096                            which will now be internationalised correctly.
1097                         */
1098                         dcpomatic_setup ();
1099
1100                         /* Force the configuration to be re-loaded correctly next
1101                            time it is needed.
1102                         */
1103                         Config::drop ();
1104
1105                         signal_manager = new wxSignalManager (this);
1106
1107                         _frame = new DOMFrame ();
1108                         SetTopWindow (_frame);
1109                         _frame->Maximize ();
1110                         if (splash) {
1111                                 splash->Destroy ();
1112                                 splash = nullptr;
1113                         }
1114                         _frame->Show ();
1115
1116                         try {
1117                                 auto server = new PlayServer (_frame);
1118                                 new thread (boost::bind (&PlayServer::run, server));
1119                         } catch (std::exception& e) {
1120                                 /* This is not the end of the world; probably a failure to bind the server socket
1121                                  * because there's already another player running.
1122                                  */
1123                                 LOG_DEBUG_PLAYER ("Failed to start play server (%1)", e.what());
1124                         }
1125
1126                         if (!_dcp_to_load.empty() && boost::filesystem::is_directory (_dcp_to_load)) {
1127                                 try {
1128                                         _frame->load_dcp (_dcp_to_load);
1129                                 } catch (exception& e) {
1130                                         error_dialog (0, std_to_wx (String::compose (wx_to_std (_("Could not load DCP %1.")), _dcp_to_load)), std_to_wx(e.what()));
1131                                 }
1132                         }
1133
1134                         if (_stress) {
1135                                 try {
1136                                         _frame->load_stress_script (*_stress);
1137                                 } catch (exception& e) {
1138                                         error_dialog (0, wxString::Format("Could not load stress test file %s", std_to_wx(*_stress)));
1139                                 }
1140                         }
1141
1142                         Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
1143
1144                         if (Config::instance()->check_for_updates ()) {
1145                                 UpdateChecker::instance()->run ();
1146                         }
1147                 }
1148                 catch (exception& e)
1149                 {
1150                         if (splash) {
1151                                 splash->Destroy ();
1152                         }
1153                         error_dialog (0, _("DCP-o-matic Player could not start."), std_to_wx(e.what()));
1154                 }
1155
1156                 return true;
1157         }
1158
1159         void OnInitCmdLine (wxCmdLineParser& parser)
1160         {
1161                 parser.SetDesc (command_line_description);
1162                 parser.SetSwitchChars (wxT ("-"));
1163         }
1164
1165         bool OnCmdLineParsed (wxCmdLineParser& parser)
1166         {
1167                 if (parser.GetParamCount() > 0) {
1168                         _dcp_to_load = wx_to_std (parser.GetParam (0));
1169                 }
1170
1171                 wxString config;
1172                 if (parser.Found("c", &config)) {
1173                         Config::override_path = wx_to_std (config);
1174                 }
1175                 wxString stress;
1176                 if (parser.Found("s", &stress)) {
1177                         _stress = wx_to_std (stress);
1178                 }
1179
1180                 return true;
1181         }
1182
1183         void report_exception ()
1184         {
1185                 try {
1186                         throw;
1187                 } catch (FileError& e) {
1188                         error_dialog (
1189                                 0,
1190                                 wxString::Format (
1191                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
1192                                         std_to_wx (e.what()),
1193                                         std_to_wx (e.file().string().c_str ())
1194                                         )
1195                                 );
1196                 } catch (exception& e) {
1197                         error_dialog (
1198                                 0,
1199                                 wxString::Format (
1200                                         _("An exception occurred: %s.\n\n") + REPORT_PROBLEM,
1201                                         std_to_wx (e.what ())
1202                                         )
1203                                 );
1204                 } catch (...) {
1205                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
1206                 }
1207         }
1208
1209         /* An unhandled exception has occurred inside the main event loop */
1210         bool OnExceptionInMainLoop ()
1211         {
1212                 report_exception ();
1213                 /* This will terminate the program */
1214                 return false;
1215         }
1216
1217         void OnUnhandledException ()
1218         {
1219                 report_exception ();
1220         }
1221
1222         void idle ()
1223         {
1224                 signal_manager->ui_idle ();
1225         }
1226
1227         void config_failed_to_load ()
1228         {
1229                 message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
1230         }
1231
1232         void config_warning (string m)
1233         {
1234                 message_dialog (_frame, std_to_wx (m));
1235         }
1236
1237         DOMFrame* _frame = nullptr;
1238         string _dcp_to_load;
1239         boost::optional<string> _stress;
1240 };
1241
1242 IMPLEMENT_APP (App)