src/tools/dcpomatic_player.cc

   1 /*
   2     Copyright (C) 2017-2020 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 #ifdef DCPOMATIC_VARIANT_SWAROOP
  33 #include "wx/swaroop_controls.h"
  34 #endif
  35 #include "wx/timer_display.h"
  36 #include "wx/system_information_dialog.h"
  37 #include "wx/player_stress_tester.h"
  38 #include "lib/cross.h"
  39 #include "lib/config.h"
  40 #include "lib/util.h"
  41 #include "lib/internet.h"
  42 #include "lib/update_checker.h"
  43 #include "lib/compose.hpp"
  44 #include "lib/dcp_content.h"
  45 #include "lib/job_manager.h"
  46 #include "lib/job.h"
  47 #include "lib/film.h"
  48 #include "lib/null_log.h"
  49 #include "lib/video_content.h"
  50 #include "lib/text_content.h"
  51 #include "lib/ratio.h"
  52 #include "lib/verify_dcp_job.h"
  53 #include "lib/dcp_examiner.h"
  54 #include "lib/examine_content_job.h"
  55 #include "lib/server.h"
  56 #include "lib/dcpomatic_socket.h"
  57 #include "lib/scoped_temporary.h"
  58 #include "lib/monitor_checker.h"
  59 #include "lib/lock_file_checker.h"
  60 #include "lib/ffmpeg_content.h"
  61 #include "lib/dcpomatic_log.h"
  62 #include "lib/file_log.h"
  63 #include <dcp/dcp.h>
  64 #include <dcp/raw_convert.h>
  65 #include <dcp/exceptions.h>
  66 #include <wx/wx.h>
  67 #include <wx/stdpaths.h>
  68 #include <wx/splash.h>
  69 #include <wx/cmdline.h>
  70 #include <wx/preferences.h>
  71 #include <wx/progdlg.h>
  72 #include <wx/display.h>
  73 #ifdef __WXGTK__
  74 #include <X11/Xlib.h>
  75 #endif
  76 #ifdef __WXOSX__
  77 #include <ApplicationServices/ApplicationServices.h>
  78 #endif
  79 #include <boost/bind.hpp>
  80 #include <boost/algorithm/string.hpp>
  81 #include <iostream>
  82
  83 #ifdef check
  84 #undef check
  85 #endif
  86
  87 #define MAX_CPLS 32
  88
  89 using std::string;
  90 using std::cout;
  91 using std::list;
  92 using std::exception;
  93 using std::vector;
  94 using boost::shared_ptr;
  95 using boost::weak_ptr;
  96 using boost::scoped_array;
  97 using boost::optional;
  98 using boost::dynamic_pointer_cast;
  99 using boost::thread;
 100 using boost::bind;
 101 using dcp::raw_convert;
 102 using namespace dcpomatic;
 103
 104 enum {
 105         ID_file_open = 1,
 106         ID_file_add_ov,
 107         ID_file_add_kdm,
 108         ID_file_history,
 109         /* Allow spare IDs after _history for the recent files list */
 110         ID_file_close = 100,
 111         ID_view_cpl,
 112         /* Allow spare IDs for CPLs */
 113         ID_view_full_screen = 200,
 114         ID_view_dual_screen,
 115         ID_view_closed_captions,
 116         ID_view_scale_appropriate,
 117         ID_view_scale_full,
 118         ID_view_scale_half,
 119         ID_view_scale_quarter,
 120         ID_help_report_a_problem,
 121         ID_tools_verify,
 122         ID_tools_check_for_updates,
 123         ID_tools_timing,
 124         ID_tools_system_information,
 125         /* IDs for shortcuts (with no associated menu item) */
 126         ID_start_stop,
 127         ID_back_frame,
 128         ID_forward_frame
 129 };
 130
 131 class DOMFrame : public wxFrame
 132 {
 133 public:
 134         DOMFrame ()
 135                 : wxFrame (0, -1, _("DCP-o-matic Player"))
 136                 , _dual_screen (0)
 137                 , _update_news_requested (false)
 138                 , _info (0)
 139                 , _mode (Config::instance()->player_mode())
 140                 , _config_dialog (0)
 141                 , _file_menu (0)
 142                 , _history_items (0)
 143                 , _history_position (0)
 144                 , _history_separator (0)
 145                 , _system_information_dialog (0)
 146                 , _view_full_screen (0)
 147                 , _view_dual_screen (0)
 148 {
 149                 dcpomatic_log.reset (new NullLog());
 150
 151 #if defined(DCPOMATIC_WINDOWS)
 152                 maybe_open_console ();
 153                 cout << "DCP-o-matic Player is starting." << "\n";
 154 #endif
 155
 156                 wxMenuBar* bar = new wxMenuBar;
 157                 setup_menu (bar);
 158                 set_menu_sensitivity ();
 159                 SetMenuBar (bar);
 160
 161 #ifdef DCPOMATIC_WINDOWS
 162                 SetIcon (wxIcon (std_to_wx ("id")));
 163 #endif
 164
 165                 _config_changed_connection = Config::instance()->Changed.connect (boost::bind (&DOMFrame::config_changed, this, _1));
 166                 update_from_config (Config::PLAYER_DEBUG_LOG);
 167
 168                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_open, this), ID_file_open);
 169                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_ov, this), ID_file_add_ov);
 170                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_kdm, this), ID_file_add_kdm);
 171                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_history, this, _1), ID_file_history, ID_file_history + HISTORY_SIZE);
 172                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_close, this), ID_file_close);
 173                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this), wxID_EXIT);
 174                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this), wxID_PREFERENCES);
 175                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_full_screen, this), ID_view_full_screen);
 176                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_dual_screen, this), ID_view_dual_screen);
 177                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_closed_captions, this), ID_view_closed_captions);
 178                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_cpl, this, _1), ID_view_cpl, ID_view_cpl + MAX_CPLS);
 179                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(0)), ID_view_scale_full);
 180                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(1)), ID_view_scale_half);
 181                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(2)), ID_view_scale_quarter);
 182                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this), wxID_ABOUT);
 183                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this), ID_help_report_a_problem);
 184                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_verify, this), ID_tools_verify);
 185                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_check_for_updates, this), ID_tools_check_for_updates);
 186                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_timing, this), ID_tools_timing);
 187                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_system_information, this), ID_tools_system_information);
 188
 189                 /* Use a panel as the only child of the Frame so that we avoid
 190                    the dark-grey background on Windows.
 191                 */
 192                 _overall_panel = new wxPanel (this, wxID_ANY);
 193
 194                 _viewer.reset (new FilmViewer (_overall_panel));
 195 #ifdef DCPOMATIC_VARIANT_SWAROOP
 196                 SwaroopControls* sc = new SwaroopControls (_overall_panel, _viewer);
 197                 _controls = sc;
 198                 sc->ResetFilm.connect (bind(&DOMFrame::reset_film_weak, this, _1));
 199 #else
 200                 if (Config::instance()->player_mode() == Config::PLAYER_MODE_DUAL) {
 201                         PlaylistControls* pc = new PlaylistControls (_overall_panel, _viewer);
 202                         _controls = pc;
 203                         pc->ResetFilm.connect (bind(&DOMFrame::reset_film_weak, this, _1));
 204                 } else {
 205                         _controls = new StandardControls (_overall_panel, _viewer, false);
 206                 }
 207 #endif
 208                 _viewer->set_dcp_decode_reduction (Config::instance()->decode_reduction ());
 209                 _viewer->PlaybackPermitted.connect (bind(&DOMFrame::playback_permitted, this));
 210                 _viewer->Started.connect (bind(&DOMFrame::playback_started, this, _1));
 211                 _viewer->Stopped.connect (bind(&DOMFrame::playback_stopped, this, _1));
 212                 _info = new PlayerInformation (_overall_panel, _viewer);
 213                 setup_main_sizer (Config::instance()->player_mode());
 214 #ifdef __WXOSX__
 215                 int accelerators = 4;
 216 #else
 217                 int accelerators = 3;
 218 #endif
 219
 220                 _stress.setup (this, _controls);
 221
 222                 wxAcceleratorEntry* accel = new wxAcceleratorEntry[accelerators];
 223                 accel[0].Set(wxACCEL_NORMAL, WXK_SPACE, ID_start_stop);
 224                 accel[1].Set(wxACCEL_NORMAL, WXK_LEFT, ID_back_frame);
 225                 accel[2].Set(wxACCEL_NORMAL, WXK_RIGHT, ID_forward_frame);
 226 #ifdef __WXOSX__
 227                 accel[3].Set(wxACCEL_CTRL, static_cast<int>('W'), ID_file_close);
 228 #endif
 229                 wxAcceleratorTable accel_table (accelerators, accel);
 230                 SetAcceleratorTable (accel_table);
 231                 delete[] accel;
 232
 233                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::start_stop_pressed, this), ID_start_stop);
 234                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::back_frame, this), ID_back_frame);
 235                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::forward_frame, this), ID_forward_frame);
 236
 237                 reset_film ();
 238
 239                 UpdateChecker::instance()->StateChanged.connect (boost::bind (&DOMFrame::update_checker_state_changed, this));
 240 #ifdef DCPOMATIC_VARIANT_SWAROOP
 241                 MonitorChecker::instance()->StateChanged.connect(boost::bind(&DOMFrame::monitor_checker_state_changed, this));
 242                 MonitorChecker::instance()->run ();
 243                 LockFileChecker::instance()->StateChanged.connect(boost::bind(&DOMFrame::lock_checker_state_changed, this));
 244                 LockFileChecker::instance()->run ();
 245 #endif
 246                 setup_screen ();
 247
 248                 _stress.LoadDCP.connect (boost::bind(&DOMFrame::load_dcp, this, _1));
 249
 250 #ifdef DCPOMATIC_VARIANT_SWAROOP
 251                 sc->check_restart ();
 252 #endif
 253         }
 254
 255 #ifdef DCPOMATIC_VARIANT_SWAROOP
 256         void monitor_checker_state_changed ()
 257         {
 258                 if (!MonitorChecker::instance()->ok()) {
 259                         _viewer->stop ();
 260                         error_dialog (this, _("The required display devices are not connected correctly."));
 261                 }
 262         }
 263
 264         void lock_checker_state_changed ()
 265         {
 266                 if (!LockFileChecker::instance()->ok()) {
 267                         _viewer->stop ();
 268                         error_dialog (this, _("The lock file is not present."));
 269                 }
 270         }
 271 #endif
 272
 273         void setup_main_sizer (Config::PlayerMode mode)
 274         {
 275                 wxSizer* main_sizer = new wxBoxSizer (wxVERTICAL);
 276                 if (mode != Config::PLAYER_MODE_DUAL) {
 277                         main_sizer->Add (_viewer->panel(), 1, wxEXPAND | wxALIGN_CENTER_VERTICAL);
 278                 }
 279                 main_sizer->Add (_controls, mode == Config::PLAYER_MODE_DUAL ? 1 : 0, wxEXPAND | wxALL, 6);
 280                 main_sizer->Add (_info, 0, wxEXPAND | wxALL, 6);
 281                 _overall_panel->SetSizer (main_sizer);
 282                 _overall_panel->Layout ();
 283         }
 284
 285         bool playback_permitted ()
 286         {
 287 #ifdef DCPOMATIC_VARIANT_SWAROOP
 288                 if (!MonitorChecker::instance()->ok()) {
 289                         error_dialog (this, _("The required display devices are not connected correctly."));
 290                         return false;
 291                 }
 292                 if (!LockFileChecker::instance()->ok()) {
 293                         error_dialog (this, _("The lock file is not present."));
 294                         return false;
 295                 }
 296 #endif
 297                 if (!_film || !Config::instance()->respect_kdm_validity_periods()) {
 298                         return true;
 299                 }
 300
 301                 bool ok = true;
 302                 BOOST_FOREACH (shared_ptr<Content> i, _film->content()) {
 303                         shared_ptr<DCPContent> d = dynamic_pointer_cast<DCPContent>(i);
 304                         if (d && !d->kdm_timing_window_valid()) {
 305                                 ok = false;
 306                         }
 307                 }
 308
 309 #ifdef DCPOMATIC_VARIANT_SWAROOP
 310                 BOOST_FOREACH (shared_ptr<Content> i, _film->content()) {
 311                         shared_ptr<FFmpegContent> c = dynamic_pointer_cast<FFmpegContent>(i);
 312                         if (c && !c->kdm_timing_window_valid()) {
 313                                 ok = false;
 314                         }
 315                 }
 316 #endif
 317
 318                 if (!ok) {
 319                         error_dialog (this, _("The KDM does not allow playback of this content at this time."));
 320                 }
 321
 322                 return ok;
 323         }
 324
 325         void playback_started (DCPTime time)
 326         {
 327                 /* XXX: this only logs the first piece of content; probably should be each piece? */
 328                 if (_film->content().empty()) {
 329                         return;
 330                 }
 331
 332                 shared_ptr<DCPContent> dcp = dynamic_pointer_cast<DCPContent>(_film->content().front());
 333                 if (dcp) {
 334                         DCPExaminer ex (dcp, true);
 335                         shared_ptr<dcp::CPL> playing_cpl;
 336                         BOOST_FOREACH (shared_ptr<dcp::CPL> i, ex.cpls()) {
 337                                 if (!dcp->cpl() || i->id() == *dcp->cpl()) {
 338                                         playing_cpl = i;
 339                                 }
 340                         }
 341                         DCPOMATIC_ASSERT (playing_cpl);
 342
 343                         _controls->log (
 344                                 wxString::Format(
 345                                         "playback-started %s %s %s",
 346                                         time.timecode(_film->video_frame_rate()).c_str(),
 347                                         dcp->directories().front().string().c_str(),
 348                                         playing_cpl->annotation_text().c_str()
 349                                         )
 350                                 );
 351                 }
 352
 353                 shared_ptr<FFmpegContent> ffmpeg = dynamic_pointer_cast<FFmpegContent>(_film->content().front());
 354                 if (ffmpeg) {
 355                         _controls->log (
 356                                 wxString::Format(
 357                                         "playback-started %s %s",
 358                                         time.timecode(_film->video_frame_rate()).c_str(),
 359                                         ffmpeg->path(0).string().c_str()
 360                                         )
 361                                 );
 362                 }
 363         }
 364
 365         void playback_stopped (DCPTime time)
 366         {
 367 #ifdef DCPOMATIC_VARIANT_SWAROOP
 368                 try {
 369                         boost::filesystem::remove (Config::path("position"));
 370                 } catch (...) {
 371                         /* Never mind */
 372                 }
 373 #endif
 374
 375                 _controls->log (wxString::Format("playback-stopped %s", time.timecode(_film->video_frame_rate()).c_str()));
 376         }
 377
 378         void set_decode_reduction (optional<int> reduction)
 379         {
 380                 _viewer->set_dcp_decode_reduction (reduction);
 381                 _info->triggered_update ();
 382                 Config::instance()->set_decode_reduction (reduction);
 383         }
 384
 385         void load_dcp (boost::filesystem::path dir)
 386         {
 387                 DCPOMATIC_ASSERT (_film);
 388
 389                 reset_film ();
 390                 try {
 391                         _stress.set_suspended (true);
 392                         shared_ptr<DCPContent> dcp (new DCPContent(dir));
 393                         shared_ptr<Job> job (new ExamineContentJob(_film, dcp));
 394                         _examine_job_connection = job->Finished.connect(bind(&DOMFrame::add_dcp_to_film, this, weak_ptr<Job>(job), weak_ptr<Content>(dcp)));
 395                         JobManager::instance()->add (job);
 396                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 397                         if (!ok || !report_errors_from_last_job(this)) {
 398                                 return;
 399                         }
 400 #ifndef DCPOMATIC_VARIANT_SWAROOP
 401                         Config::instance()->add_to_player_history (dir);
 402 #endif
 403                 } catch (dcp::DCPReadError& e) {
 404                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 405                 }
 406         }
 407
 408         void add_dcp_to_film (weak_ptr<Job> weak_job, weak_ptr<Content> weak_content)
 409         {
 410                 shared_ptr<Job> job = weak_job.lock ();
 411                 if (!job || !job->finished_ok()) {
 412                         return;
 413                 }
 414
 415                 shared_ptr<Content> content = weak_content.lock ();
 416                 if (!content) {
 417                         return;
 418                 }
 419
 420                 _film->add_content (content);
 421                 _stress.set_suspended (false);
 422         }
 423
 424         void reset_film_weak (weak_ptr<Film> weak_film)
 425         {
 426                 shared_ptr<Film> film = weak_film.lock ();
 427                 if (film) {
 428                         reset_film (film);
 429                 }
 430         }
 431
 432         void reset_film (shared_ptr<Film> film = shared_ptr<Film>(new Film(optional<boost::filesystem::path>())))
 433         {
 434                 _film = film;
 435                 _film->set_tolerant (true);
 436                 _film->set_audio_channels (MAX_DCP_AUDIO_CHANNELS);
 437                 _viewer->set_film (_film);
 438                 _controls->set_film (_film);
 439                 _film->Change.connect (bind(&DOMFrame::film_changed, this, _1, _2));
 440                 _info->triggered_update ();
 441         }
 442
 443         void film_changed (ChangeType type, Film::Property property)
 444         {
 445                 if (type != CHANGE_TYPE_DONE || property != Film::CONTENT) {
 446                         return;
 447                 }
 448
 449                 if (_viewer->playing ()) {
 450                         _viewer->stop ();
 451                 }
 452
 453                 /* Start off as Flat */
 454                 _film->set_container (Ratio::from_id("185"));
 455
 456                 BOOST_FOREACH (shared_ptr<Content> i, _film->content()) {
 457                         shared_ptr<DCPContent> dcp = dynamic_pointer_cast<DCPContent>(i);
 458
 459                         BOOST_FOREACH (shared_ptr<TextContent> j, i->text) {
 460                                 j->set_use (true);
 461                         }
 462
 463                         if (i->video) {
 464                                 Ratio const * r = Ratio::nearest_from_ratio(i->video->size().ratio());
 465                                 if (r->id() == "239") {
 466                                         /* Any scope content means we use scope */
 467                                         _film->set_container(r);
 468                                 }
 469                         }
 470
 471                         /* Any 3D content means we use 3D mode */
 472                         if (i->video && i->video->frame_type() != VIDEO_FRAME_TYPE_2D) {
 473                                 _film->set_three_d (true);
 474                         }
 475                 }
 476
 477                 _viewer->seek (DCPTime(), true);
 478                 _info->triggered_update ();
 479
 480                 set_menu_sensitivity ();
 481
 482                 wxMenuItemList old = _cpl_menu->GetMenuItems();
 483                 for (wxMenuItemList::iterator i = old.begin(); i != old.end(); ++i) {
 484                         _cpl_menu->Remove (*i);
 485                 }
 486
 487                 if (_film->content().size() == 1) {
 488                         /* Offer a CPL menu */
 489                         shared_ptr<DCPContent> first = dynamic_pointer_cast<DCPContent>(_film->content().front());
 490                         if (first) {
 491                                 DCPExaminer ex (first, true);
 492                                 int id = ID_view_cpl;
 493                                 BOOST_FOREACH (shared_ptr<dcp::CPL> i, ex.cpls()) {
 494                                         wxMenuItem* j = _cpl_menu->AppendRadioItem(
 495                                                 id,
 496                                                 wxString::Format("%s (%s)", std_to_wx(i->annotation_text()).data(), std_to_wx(i->id()).data())
 497                                                 );
 498                                         j->Check(!first->cpl() || i->id() == *first->cpl());
 499                                         ++id;
 500                                 }
 501                         }
 502                 }
 503         }
 504
 505         void load_stress_script (boost::filesystem::path path)
 506         {
 507                 _stress.load_script (path);
 508         }
 509
 510 private:
 511
 512         bool report_errors_from_last_job (wxWindow* parent) const
 513         {
 514                 JobManager* jm = JobManager::instance ();
 515
 516                 DCPOMATIC_ASSERT (!jm->get().empty());
 517
 518                 shared_ptr<Job> last = jm->get().back();
 519                 if (last->finished_in_error()) {
 520                         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()));
 521                         return false;
 522                 }
 523
 524                 return true;
 525         }
 526
 527         void setup_menu (wxMenuBar* m)
 528         {
 529                 _file_menu = new wxMenu;
 530                 _file_menu->Append (ID_file_open, _("&Open...\tCtrl-O"));
 531                 _file_add_ov = _file_menu->Append (ID_file_add_ov, _("&Add OV..."));
 532                 _file_add_kdm = _file_menu->Append (ID_file_add_kdm, _("Add &KDM..."));
 533
 534                 _history_position = _file_menu->GetMenuItems().GetCount();
 535
 536                 _file_menu->AppendSeparator ();
 537                 _file_menu->Append (ID_file_close, _("&Close"));
 538                 _file_menu->AppendSeparator ();
 539
 540 #ifdef __WXOSX__
 541                 _file_menu->Append (wxID_EXIT, _("&Exit"));
 542 #else
 543                 _file_menu->Append (wxID_EXIT, _("&Quit"));
 544 #endif
 545
 546 #ifdef __WXOSX__
 547                 wxMenuItem* prefs = _file_menu->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 548 #else
 549                 wxMenu* edit = new wxMenu;
 550                 wxMenuItem* prefs = edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 551 #endif
 552
 553                 prefs->Enable (Config::instance()->have_write_permission());
 554
 555                 _cpl_menu = new wxMenu;
 556
 557                 wxMenu* view = new wxMenu;
 558                 optional<int> c = Config::instance()->decode_reduction();
 559                 _view_cpl = view->Append(ID_view_cpl, _("CPL"), _cpl_menu);
 560                 view->AppendSeparator();
 561 #ifndef DCPOMATIC_VARIANT_SWAROOP
 562                 _view_full_screen = view->AppendCheckItem(ID_view_full_screen, _("Full screen\tF11"));
 563                 _view_dual_screen = view->AppendCheckItem(ID_view_dual_screen, _("Dual screen\tShift+F11"));
 564 #endif
 565                 setup_menu ();
 566                 view->AppendSeparator();
 567                 view->Append(ID_view_closed_captions, _("Closed captions..."));
 568                 view->AppendSeparator();
 569                 view->AppendRadioItem(ID_view_scale_appropriate, _("Set decode resolution to match display"))->Check(!static_cast<bool>(c));
 570                 view->AppendRadioItem(ID_view_scale_full, _("Decode at full resolution"))->Check(c && c.get() == 0);
 571                 view->AppendRadioItem(ID_view_scale_half, _("Decode at half resolution"))->Check(c && c.get() == 1);
 572                 view->AppendRadioItem(ID_view_scale_quarter, _("Decode at quarter resolution"))->Check(c && c.get() == 2);
 573
 574                 wxMenu* tools = new wxMenu;
 575                 _tools_verify = tools->Append (ID_tools_verify, _("Verify DCP"));
 576                 tools->AppendSeparator ();
 577                 tools->Append (ID_tools_check_for_updates, _("Check for updates"));
 578                 tools->Append (ID_tools_timing, _("Timing..."));
 579                 tools->Append (ID_tools_system_information, _("System information..."));
 580
 581                 wxMenu* help = new wxMenu;
 582 #ifdef __WXOSX__
 583                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 584 #else
 585                 help->Append (wxID_ABOUT, _("About"));
 586 #endif
 587                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 588
 589                 m->Append (_file_menu, _("&File"));
 590 #ifndef __WXOSX__
 591                 m->Append (edit, _("&Edit"));
 592 #endif
 593                 m->Append (view, _("&View"));
 594                 m->Append (tools, _("&Tools"));
 595                 m->Append (help, _("&Help"));
 596         }
 597
 598         void file_open ()
 599         {
 600                 wxString d = wxStandardPaths::Get().GetDocumentsDir();
 601                 if (Config::instance()->last_player_load_directory()) {
 602                         d = std_to_wx (Config::instance()->last_player_load_directory()->string());
 603                 }
 604
 605                 wxDirDialog* c = new wxDirDialog (this, _("Select DCP to open"), d, wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST);
 606
 607                 int r;
 608                 while (true) {
 609                         r = c->ShowModal ();
 610                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 611                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 612                         } else {
 613                                 break;
 614                         }
 615                 }
 616
 617                 if (r == wxID_OK) {
 618                         boost::filesystem::path const dcp (wx_to_std (c->GetPath ()));
 619                         load_dcp (dcp);
 620                         Config::instance()->set_last_player_load_directory (dcp.parent_path());
 621                 }
 622
 623                 c->Destroy ();
 624         }
 625
 626         void file_add_ov ()
 627         {
 628                 wxDirDialog* c = new wxDirDialog (
 629                         this,
 630                         _("Select DCP to open as OV"),
 631                         wxStandardPaths::Get().GetDocumentsDir(),
 632                         wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST
 633                         );
 634
 635                 int r;
 636                 while (true) {
 637                         r = c->ShowModal ();
 638                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 639                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 640                         } else {
 641                                 break;
 642                         }
 643                 }
 644
 645                 if (r == wxID_OK) {
 646                         DCPOMATIC_ASSERT (_film);
 647                         shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
 648                         DCPOMATIC_ASSERT (dcp);
 649                         dcp->add_ov (wx_to_std(c->GetPath()));
 650                         JobManager::instance()->add(shared_ptr<Job>(new ExamineContentJob (_film, dcp)));
 651                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 652                         if (!ok || !report_errors_from_last_job(this)) {
 653                                 return;
 654                         }
 655                         BOOST_FOREACH (shared_ptr<TextContent> i, dcp->text) {
 656                                 i->set_use (true);
 657                         }
 658                         if (dcp->video) {
 659                                 Ratio const * r = Ratio::nearest_from_ratio(dcp->video->size().ratio());
 660                                 if (r) {
 661                                         _film->set_container(r);
 662                                 }
 663                         }
 664                 }
 665
 666                 c->Destroy ();
 667                 _info->triggered_update ();
 668         }
 669
 670         void file_add_kdm ()
 671         {
 672                 wxFileDialog* d = new wxFileDialog (this, _("Select KDM"));
 673
 674                 if (d->ShowModal() == wxID_OK) {
 675                         DCPOMATIC_ASSERT (_film);
 676 #ifdef DCPOMATIC_VARIANT_SWAROOP
 677                         shared_ptr<FFmpegContent> ffmpeg = boost::dynamic_pointer_cast<FFmpegContent>(_film->content().front());
 678                         if (ffmpeg) {
 679                                 try {
 680                                         ffmpeg->add_kdm (EncryptedECinemaKDM(dcp::file_to_string(wx_to_std(d->GetPath()), MAX_KDM_SIZE)));
 681                                 } catch (exception& e) {
 682                                         error_dialog (this, wxString::Format(_("Could not load KDM.")), std_to_wx(e.what()));
 683                                         d->Destroy();
 684                                         return;
 685                                 }
 686                         }
 687 #endif
 688                         shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
 689 #ifndef DCPOMATIC_VARIANT_SWAROOP
 690                         DCPOMATIC_ASSERT (dcp);
 691 #endif
 692                         try {
 693                                 if (dcp) {
 694                                         dcp->add_kdm (dcp::EncryptedKDM(dcp::file_to_string(wx_to_std(d->GetPath()), MAX_KDM_SIZE)));
 695                                         dcp->examine (_film, shared_ptr<Job>());
 696                                 }
 697                         } catch (exception& e) {
 698                                 error_dialog (this, wxString::Format (_("Could not load KDM.")), std_to_wx(e.what()));
 699                                 d->Destroy ();
 700                                 return;
 701                         }
 702                 }
 703
 704                 d->Destroy ();
 705                 _info->triggered_update ();
 706         }
 707
 708         void file_history (wxCommandEvent& event)
 709         {
 710                 vector<boost::filesystem::path> history = Config::instance()->player_history ();
 711                 int n = event.GetId() - ID_file_history;
 712                 if (n >= 0 && n < static_cast<int> (history.size ())) {
 713                         try {
 714                                 load_dcp (history[n]);
 715                         } catch (exception& e) {
 716                                 error_dialog (0, std_to_wx(String::compose(wx_to_std(_("Could not load DCP %1.")), history[n])), std_to_wx(e.what()));
 717                         }
 718                 }
 719         }
 720
 721         void file_close ()
 722         {
 723                 reset_film ();
 724                 _info->triggered_update ();
 725                 set_menu_sensitivity ();
 726         }
 727
 728         void file_exit ()
 729         {
 730                 Close ();
 731         }
 732
 733         void edit_preferences ()
 734         {
 735                 if (!Config::instance()->have_write_permission()) {
 736                         return;
 737                 }
 738
 739                 if (!_config_dialog) {
 740                         _config_dialog = create_player_config_dialog ();
 741                 }
 742                 _config_dialog->Show (this);
 743         }
 744
 745         void view_cpl (wxCommandEvent& ev)
 746         {
 747                 shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
 748                 DCPOMATIC_ASSERT (dcp);
 749                 DCPExaminer ex (dcp, true);
 750                 int id = ev.GetId() - ID_view_cpl;
 751                 DCPOMATIC_ASSERT (id >= 0);
 752                 DCPOMATIC_ASSERT (id < int(ex.cpls().size()));
 753                 list<shared_ptr<dcp::CPL> > cpls = ex.cpls();
 754                 list<shared_ptr<dcp::CPL> >::iterator i = cpls.begin();
 755                 while (id > 0) {
 756                         ++i;
 757                         --id;
 758                 }
 759
 760                 dcp->set_cpl ((*i)->id());
 761                 dcp->examine (_film, shared_ptr<Job>());
 762         }
 763
 764         void view_full_screen ()
 765         {
 766                 if (_mode == Config::PLAYER_MODE_FULL) {
 767                         _mode = Config::PLAYER_MODE_WINDOW;
 768                 } else {
 769                         _mode = Config::PLAYER_MODE_FULL;
 770                 }
 771                 setup_screen ();
 772                 setup_menu ();
 773         }
 774
 775         void view_dual_screen ()
 776         {
 777                 if (_mode == Config::PLAYER_MODE_DUAL) {
 778                         _mode = Config::PLAYER_MODE_WINDOW;
 779                 } else {
 780                         _mode = Config::PLAYER_MODE_DUAL;
 781                 }
 782                 setup_screen ();
 783                 setup_menu ();
 784         }
 785
 786         void setup_menu ()
 787         {
 788                 if (_view_full_screen) {
 789                         _view_full_screen->Check (_mode == Config::PLAYER_MODE_FULL);
 790                 }
 791                 if (_view_dual_screen) {
 792                         _view_dual_screen->Check (_mode == Config::PLAYER_MODE_DUAL);
 793                 }
 794         }
 795
 796         void setup_screen ()
 797         {
 798                 _controls->Show (_mode != Config::PLAYER_MODE_FULL);
 799                 _info->Show (_mode != Config::PLAYER_MODE_FULL);
 800                 _overall_panel->SetBackgroundColour (_mode == Config::PLAYER_MODE_FULL ? wxColour(0, 0, 0) : wxNullColour);
 801                 ShowFullScreen (_mode == Config::PLAYER_MODE_FULL);
 802                 _viewer->set_pad_black (_mode != Config::PLAYER_MODE_WINDOW);
 803
 804                 if (_mode == Config::PLAYER_MODE_DUAL) {
 805                         _dual_screen = new wxFrame (this, wxID_ANY, wxT(""));
 806                         _dual_screen->SetBackgroundColour (wxColour(0, 0, 0));
 807                         _dual_screen->ShowFullScreen (true);
 808                         _viewer->panel()->Reparent (_dual_screen);
 809                         _dual_screen->Show ();
 810                         if (wxDisplay::GetCount() > 1) {
 811                                 switch (Config::instance()->image_display()) {
 812                                 case 0:
 813                                         _dual_screen->Move (0, 0);
 814                                         Move (wxDisplay(0).GetClientArea().GetWidth(), 0);
 815                                         break;
 816                                 case 1:
 817                                         _dual_screen->Move (wxDisplay(0).GetClientArea().GetWidth(), 0);
 818                                         // (0, 0) doesn't seem to work for some strange reason
 819                                         Move (8, 8);
 820                                         break;
 821                                 }
 822                         }
 823                 } else {
 824                         if (_dual_screen) {
 825                                 _viewer->panel()->Reparent (_overall_panel);
 826                                 _dual_screen->Destroy ();
 827                                 _dual_screen = 0;
 828                         }
 829                 }
 830
 831                 setup_main_sizer (_mode);
 832         }
 833
 834         void view_closed_captions ()
 835         {
 836                 _viewer->show_closed_captions ();
 837         }
 838
 839         void tools_verify ()
 840         {
 841                 shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
 842                 DCPOMATIC_ASSERT (dcp);
 843
 844                 JobManager* jm = JobManager::instance ();
 845                 jm->add (shared_ptr<Job> (new VerifyDCPJob (dcp->directories())));
 846                 bool const ok = display_progress (_("DCP-o-matic Player"), _("Verifying DCP"));
 847                 if (!ok) {
 848                         return;
 849                 }
 850
 851                 DCPOMATIC_ASSERT (!jm->get().empty());
 852                 shared_ptr<VerifyDCPJob> last = dynamic_pointer_cast<VerifyDCPJob> (jm->get().back());
 853                 DCPOMATIC_ASSERT (last);
 854
 855                 VerifyDCPDialog* d = new VerifyDCPDialog (this, last);
 856                 d->ShowModal ();
 857                 d->Destroy ();
 858         }
 859
 860         void tools_check_for_updates ()
 861         {
 862                 UpdateChecker::instance()->run ();
 863                 _update_news_requested = true;
 864         }
 865
 866         void tools_timing ()
 867         {
 868                 TimerDisplay* d = new TimerDisplay (this, _viewer->state_timer(), _viewer->gets());
 869                 d->ShowModal ();
 870                 d->Destroy ();
 871         }
 872
 873         void tools_system_information ()
 874         {
 875                 if (!_system_information_dialog) {
 876                         _system_information_dialog = new SystemInformationDialog (this, _viewer);
 877                 }
 878
 879                 _system_information_dialog->Show ();
 880         }
 881
 882         void help_about ()
 883         {
 884                 AboutDialog* d = new AboutDialog (this);
 885                 d->ShowModal ();
 886                 d->Destroy ();
 887         }
 888
 889         void help_report_a_problem ()
 890         {
 891                 ReportProblemDialog* d = new ReportProblemDialog (this);
 892                 if (d->ShowModal () == wxID_OK) {
 893                         d->report ();
 894                 }
 895                 d->Destroy ();
 896         }
 897
 898         void update_checker_state_changed ()
 899         {
 900                 UpdateChecker* uc = UpdateChecker::instance ();
 901
 902                 bool const announce =
 903                         _update_news_requested ||
 904                         (uc->stable() && Config::instance()->check_for_updates()) ||
 905                         (uc->test() && Config::instance()->check_for_updates() && Config::instance()->check_for_test_updates());
 906
 907                 _update_news_requested = false;
 908
 909                 if (!announce) {
 910                         return;
 911                 }
 912
 913                 if (uc->state() == UpdateChecker::YES) {
 914                         UpdateDialog* dialog = new UpdateDialog (this, uc->stable (), uc->test ());
 915                         dialog->ShowModal ();
 916                         dialog->Destroy ();
 917                 } else if (uc->state() == UpdateChecker::FAILED) {
 918                         error_dialog (this, _("The DCP-o-matic download server could not be contacted."));
 919                 } else {
 920                         error_dialog (this, _("There are no new versions of DCP-o-matic available."));
 921                 }
 922
 923                 _update_news_requested = false;
 924         }
 925
 926         void config_changed (Config::Property prop)
 927         {
 928                 /* Instantly save any config changes when using the player GUI */
 929                 try {
 930                         Config::instance()->write_config();
 931                 } catch (FileError& e) {
 932                         if (prop != Config::HISTORY) {
 933                                 error_dialog (
 934                                         this,
 935                                         wxString::Format(
 936                                                 _("Could not write to config file at %s.  Your changes have not been saved."),
 937                                                 std_to_wx(e.file().string())
 938                                                 )
 939                                         );
 940                         }
 941                 } catch (exception& e) {
 942                         error_dialog (
 943                                 this,
 944                                 _("Could not write to config file.  Your changes have not been saved.")
 945                                 );
 946                 }
 947
 948                 update_from_config (prop);
 949         }
 950
 951         void update_from_config (Config::Property prop)
 952         {
 953                 for (int i = 0; i < _history_items; ++i) {
 954                         delete _file_menu->Remove (ID_file_history + i);
 955                 }
 956
 957                 if (_history_separator) {
 958                         _file_menu->Remove (_history_separator);
 959                 }
 960                 delete _history_separator;
 961                 _history_separator = 0;
 962
 963                 int pos = _history_position;
 964
 965                 /* Clear out non-existant history items before we re-build the menu */
 966                 Config::instance()->clean_player_history ();
 967                 vector<boost::filesystem::path> history = Config::instance()->player_history ();
 968
 969                 if (!history.empty ()) {
 970                         _history_separator = _file_menu->InsertSeparator (pos++);
 971                 }
 972
 973                 for (size_t i = 0; i < history.size(); ++i) {
 974                         string s;
 975                         if (i < 9) {
 976                                 s = String::compose ("&%1 %2", i + 1, history[i].string());
 977                         } else {
 978                                 s = history[i].string();
 979                         }
 980                         _file_menu->Insert (pos++, ID_file_history + i, std_to_wx (s));
 981                 }
 982
 983                 _history_items = history.size ();
 984
 985                 if (prop == Config::PLAYER_DEBUG_LOG) {
 986                         optional<boost::filesystem::path> p = Config::instance()->player_debug_log_file();
 987                         if (p) {
 988                                 dcpomatic_log.reset (new FileLog(*p));
 989                         } else {
 990                                 dcpomatic_log.reset (new NullLog());
 991                         }
 992                         dcpomatic_log->set_types (LogEntry::TYPE_GENERAL | LogEntry::TYPE_WARNING | LogEntry::TYPE_ERROR | LogEntry::TYPE_DEBUG_PLAYER);
 993                 }
 994         }
 995
 996         void set_menu_sensitivity ()
 997         {
 998                 _tools_verify->Enable (static_cast<bool>(_film));
 999                 _file_add_ov->Enable (static_cast<bool>(_film));
1000                 _file_add_kdm->Enable (static_cast<bool>(_film));
1001                 _view_cpl->Enable (static_cast<bool>(_film));
1002         }
1003
1004         void start_stop_pressed ()
1005         {
1006                 if (_viewer->playing()) {
1007                         _viewer->stop();
1008                 } else {
1009                         _viewer->start();
1010                 }
1011         }
1012
1013         void back_frame ()
1014         {
1015                 _viewer->seek_by (-_viewer->one_video_frame(), true);
1016         }
1017
1018         void forward_frame ()
1019         {
1020                 _viewer->seek_by (_viewer->one_video_frame(), true);
1021         }
1022
1023         wxFrame* _dual_screen;
1024         bool _update_news_requested;
1025         PlayerInformation* _info;
1026         Config::PlayerMode _mode;
1027         wxPreferencesEditor* _config_dialog;
1028         wxPanel* _overall_panel;
1029         wxMenu* _file_menu;
1030         wxMenuItem* _view_cpl;
1031         wxMenu* _cpl_menu;
1032         int _history_items;
1033         int _history_position;
1034         wxMenuItem* _history_separator;
1035         shared_ptr<FilmViewer> _viewer;
1036         Controls* _controls;
1037         SystemInformationDialog* _system_information_dialog;
1038         boost::shared_ptr<Film> _film;
1039         boost::signals2::scoped_connection _config_changed_connection;
1040         boost::signals2::scoped_connection _examine_job_connection;
1041         wxMenuItem* _file_add_ov;
1042         wxMenuItem* _file_add_kdm;
1043         wxMenuItem* _tools_verify;
1044         wxMenuItem* _view_full_screen;
1045         wxMenuItem* _view_dual_screen;
1046         PlayerStressTester _stress;
1047 };
1048
1049 static const wxCmdLineEntryDesc command_line_description[] = {
1050         { wxCMD_LINE_PARAM, 0, 0, "DCP to load or create", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1051         { wxCMD_LINE_OPTION, "c", "config", "Directory containing config.xml", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1052         { wxCMD_LINE_OPTION, "s", "stress", "File containing description of stress test", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1053         { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
1054 };
1055
1056 class PlayServer : public Server
1057 {
1058 public:
1059         explicit PlayServer (DOMFrame* frame)
1060                 : Server (PLAYER_PLAY_PORT)
1061                 , _frame (frame)
1062         {}
1063
1064         void handle (shared_ptr<Socket> socket)
1065         {
1066                 try {
1067                         int const length = socket->read_uint32 ();
1068                         scoped_array<char> buffer (new char[length]);
1069                         socket->read (reinterpret_cast<uint8_t*> (buffer.get()), length);
1070                         string s (buffer.get());
1071                         signal_manager->when_idle (bind (&DOMFrame::load_dcp, _frame, s));
1072                         socket->write (reinterpret_cast<uint8_t const *> ("OK"), 3);
1073                 } catch (...) {
1074
1075                 }
1076         }
1077
1078 private:
1079         DOMFrame* _frame;
1080 };
1081
1082 /** @class App
1083  *  @brief The magic App class for wxWidgets.
1084  */
1085 class App : public wxApp
1086 {
1087 public:
1088         App ()
1089                 : wxApp ()
1090                 , _frame (0)
1091         {
1092 #ifdef DCPOMATIC_LINUX
1093                 XInitThreads ();
1094 #endif
1095         }
1096
1097 private:
1098
1099         bool OnInit ()
1100         {
1101                 wxSplashScreen* splash = 0;
1102                 try {
1103                         wxInitAllImageHandlers ();
1104
1105                         Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
1106                         Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
1107
1108                         splash = maybe_show_splash ();
1109
1110                         SetAppName (_("DCP-o-matic Player"));
1111
1112                         if (!wxApp::OnInit()) {
1113                                 return false;
1114                         }
1115
1116 #ifdef DCPOMATIC_LINUX
1117                         unsetenv ("UBUNTU_MENUPROXY");
1118 #endif
1119
1120 #ifdef __WXOSX__
1121                         ProcessSerialNumber serial;
1122                         GetCurrentProcess (&serial);
1123                         TransformProcessType (&serial, kProcessTransformToForegroundApplication);
1124 #endif
1125
1126                         dcpomatic_setup_path_encoding ();
1127
1128                         /* Enable i18n; this will create a Config object
1129                            to look for a force-configured language.  This Config
1130                            object will be wrong, however, because dcpomatic_setup
1131                            hasn't yet been called and there aren't any filters etc.
1132                            set up yet.
1133                         */
1134                         dcpomatic_setup_i18n ();
1135
1136                         /* Set things up, including filters etc.
1137                            which will now be internationalised correctly.
1138                         */
1139                         dcpomatic_setup ();
1140
1141                         /* Force the configuration to be re-loaded correctly next
1142                            time it is needed.
1143                         */
1144                         Config::drop ();
1145
1146                         signal_manager = new wxSignalManager (this);
1147
1148                         _frame = new DOMFrame ();
1149                         SetTopWindow (_frame);
1150                         _frame->Maximize ();
1151                         if (splash) {
1152                                 splash->Destroy ();
1153                                 splash = 0;
1154                         }
1155                         _frame->Show ();
1156
1157                         PlayServer* server = new PlayServer (_frame);
1158                         new thread (boost::bind (&PlayServer::run, server));
1159
1160                         if (!_dcp_to_load.empty() && boost::filesystem::is_directory (_dcp_to_load)) {
1161                                 try {
1162                                         _frame->load_dcp (_dcp_to_load);
1163                                 } catch (exception& e) {
1164                                         error_dialog (0, std_to_wx (String::compose (wx_to_std (_("Could not load DCP %1.")), _dcp_to_load)), std_to_wx(e.what()));
1165                                 }
1166                         }
1167
1168                         if (_stress) {
1169                                 try {
1170                                         _frame->load_stress_script (*_stress);
1171                                 } catch (exception& e) {
1172                                         error_dialog (0, wxString::Format("Could not load stress test file %s", std_to_wx(*_stress)));
1173                                 }
1174                         }
1175
1176                         Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
1177
1178                         if (Config::instance()->check_for_updates ()) {
1179                                 UpdateChecker::instance()->run ();
1180                         }
1181                 }
1182                 catch (exception& e)
1183                 {
1184                         if (splash) {
1185                                 splash->Destroy ();
1186                         }
1187                         error_dialog (0, _("DCP-o-matic Player could not start."), std_to_wx(e.what()));
1188                 }
1189
1190                 return true;
1191         }
1192
1193         void OnInitCmdLine (wxCmdLineParser& parser)
1194         {
1195                 parser.SetDesc (command_line_description);
1196                 parser.SetSwitchChars (wxT ("-"));
1197         }
1198
1199         bool OnCmdLineParsed (wxCmdLineParser& parser)
1200         {
1201                 if (parser.GetParamCount() > 0) {
1202                         _dcp_to_load = wx_to_std (parser.GetParam (0));
1203                 }
1204
1205                 wxString config;
1206                 if (parser.Found("c", &config)) {
1207                         Config::override_path = wx_to_std (config);
1208                 }
1209                 wxString stress;
1210                 if (parser.Found("s", &stress)) {
1211                         _stress = wx_to_std (stress);
1212                 }
1213
1214                 return true;
1215         }
1216
1217         void report_exception ()
1218         {
1219                 try {
1220                         throw;
1221                 } catch (FileError& e) {
1222                         error_dialog (
1223                                 0,
1224                                 wxString::Format (
1225                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
1226                                         std_to_wx (e.what()),
1227                                         std_to_wx (e.file().string().c_str ())
1228                                         )
1229                                 );
1230                 } catch (exception& e) {
1231                         error_dialog (
1232                                 0,
1233                                 wxString::Format (
1234                                         _("An exception occurred: %s.\n\n") + REPORT_PROBLEM,
1235                                         std_to_wx (e.what ())
1236                                         )
1237                                 );
1238                 } catch (...) {
1239                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
1240                 }
1241         }
1242
1243         /* An unhandled exception has occurred inside the main event loop */
1244         bool OnExceptionInMainLoop ()
1245         {
1246                 report_exception ();
1247                 /* This will terminate the program */
1248                 return false;
1249         }
1250
1251         void OnUnhandledException ()
1252         {
1253                 report_exception ();
1254         }
1255
1256         void idle ()
1257         {
1258                 signal_manager->ui_idle ();
1259         }
1260
1261         void config_failed_to_load ()
1262         {
1263                 message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
1264         }
1265
1266         void config_warning (string m)
1267         {
1268                 message_dialog (_frame, std_to_wx (m));
1269         }
1270
1271         DOMFrame* _frame;
1272         string _dcp_to_load;
1273         boost::optional<string> _stress;
1274 };
1275
1276 IMPLEMENT_APP (App)