src/tools/dcpomatic_player.cc

   1 /*
   2     Copyright (C) 2017-2021 Carl Hetherington <cth@carlh.net>
   3
   4     This file is part of DCP-o-matic.
   5
   6     DCP-o-matic is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     DCP-o-matic is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 */
  20
  21 #include "wx/about_dialog.h"
  22 #include "wx/film_viewer.h"
  23 #include "wx/nag_dialog.h"
  24 #include "wx/player_config_dialog.h"
  25 #include "wx/player_information.h"
  26 #include "wx/player_stress_tester.h"
  27 #include "wx/playlist_controls.h"
  28 #include "wx/report_problem_dialog.h"
  29 #include "wx/standard_controls.h"
  30 #include "wx/system_information_dialog.h"
  31 #include "wx/timer_display.h"
  32 #include "wx/update_dialog.h"
  33 #include "wx/verify_dcp_dialog.h"
  34 #include "wx/verify_dcp_progress_dialog.h"
  35 #include "wx/wx_signal_manager.h"
  36 #include "wx/wx_util.h"
  37 #include "lib/compose.hpp"
  38 #include "lib/config.h"
  39 #include "lib/cross.h"
  40 #include "lib/dcp_content.h"
  41 #include "lib/dcpomatic_log.h"
  42 #include "lib/dcpomatic_socket.h"
  43 #include "lib/examine_content_job.h"
  44 #include "lib/ffmpeg_content.h"
  45 #include "lib/file_log.h"
  46 #include "lib/film.h"
  47 #include "lib/image.h"
  48 #include "lib/image_jpeg.h"
  49 #include "lib/image_png.h"
  50 #include "lib/internet.h"
  51 #include "lib/job.h"
  52 #include "lib/job_manager.h"
  53 #include "lib/null_log.h"
  54 #include "lib/player.h"
  55 #include "lib/player_video.h"
  56 #include "lib/ratio.h"
  57 #include "lib/scoped_temporary.h"
  58 #include "lib/server.h"
  59 #include "lib/text_content.h"
  60 #include "lib/update_checker.h"
  61 #include "lib/util.h"
  62 #include "lib/verify_dcp_job.h"
  63 #include "lib/video_content.h"
  64 #include <dcp/cpl.h>
  65 #include <dcp/dcp.h>
  66 #include <dcp/exceptions.h>
  67 #include <dcp/search.h>
  68 #include <dcp/raw_convert.h>
  69 #include <wx/cmdline.h>
  70 #include <wx/display.h>
  71 #include <wx/preferences.h>
  72 #include <wx/progdlg.h>
  73 #include <wx/splash.h>
  74 #include <wx/stdpaths.h>
  75 #include <wx/wx.h>
  76 #ifdef __WXGTK__
  77 #include <X11/Xlib.h>
  78 #endif
  79 #include <boost/bind/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::cout;
  90 using std::dynamic_pointer_cast;
  91 using std::exception;
  92 using std::list;
  93 using std::make_shared;
  94 using std::shared_ptr;
  95 using std::string;
  96 using std::vector;
  97 using std::weak_ptr;
  98 using boost::scoped_array;
  99 using boost::optional;
 100 using boost::thread;
 101 using boost::bind;
 102 #if BOOST_VERSION >= 106100
 103 using namespace boost::placeholders;
 104 #endif
 105 using dcp::raw_convert;
 106 using namespace dcpomatic;
 107
 108 enum {
 109         ID_file_open = 1,
 110         ID_file_add_ov,
 111         ID_file_add_kdm,
 112         ID_file_save_frame,
 113         ID_file_history,
 114         /* Allow spare IDs after _history for the recent files list */
 115         ID_file_close = 100,
 116         ID_view_cpl,
 117         /* Allow spare IDs for CPLs */
 118         ID_view_full_screen = 200,
 119         ID_view_dual_screen,
 120         ID_view_closed_captions,
 121         ID_view_scale_appropriate,
 122         ID_view_scale_full,
 123         ID_view_scale_half,
 124         ID_view_scale_quarter,
 125         ID_help_report_a_problem,
 126         ID_tools_verify,
 127         ID_tools_check_for_updates,
 128         ID_tools_timing,
 129         ID_tools_system_information,
 130         /* IDs for shortcuts (with no associated menu item) */
 131         ID_start_stop,
 132         ID_go_back_frame,
 133         ID_go_forward_frame,
 134         ID_go_back_small_amount,
 135         ID_go_forward_small_amount,
 136         ID_go_back_medium_amount,
 137         ID_go_forward_medium_amount,
 138         ID_go_back_large_amount,
 139         ID_go_forward_large_amount,
 140         ID_go_to_start,
 141         ID_go_to_end
 142 };
 143
 144 class DOMFrame : public wxFrame
 145 {
 146 public:
 147         DOMFrame ()
 148                 : wxFrame (nullptr, -1, _("DCP-o-matic Player"))
 149                 , _mode (Config::instance()->player_mode())
 150                 , _main_sizer (new wxBoxSizer(wxVERTICAL))
 151         {
 152                 dcpomatic_log = make_shared<NullLog>();
 153
 154 #if defined(DCPOMATIC_WINDOWS)
 155                 maybe_open_console ();
 156                 cout << "DCP-o-matic Player is starting." << "\n";
 157 #endif
 158
 159                 auto bar = new wxMenuBar;
 160                 setup_menu (bar);
 161                 set_menu_sensitivity ();
 162                 SetMenuBar (bar);
 163
 164 #ifdef DCPOMATIC_WINDOWS
 165                 SetIcon (wxIcon (std_to_wx ("id")));
 166 #endif
 167
 168                 _config_changed_connection = Config::instance()->Changed.connect (boost::bind (&DOMFrame::config_changed, this, _1));
 169                 update_from_config (Config::PLAYER_DEBUG_LOG);
 170
 171                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_open, this), ID_file_open);
 172                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_ov, this), ID_file_add_ov);
 173                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_kdm, this), ID_file_add_kdm);
 174                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_save_frame, this), ID_file_save_frame);
 175                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_history, this, _1), ID_file_history, ID_file_history + HISTORY_SIZE);
 176                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_close, this), ID_file_close);
 177                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this), wxID_EXIT);
 178                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this), wxID_PREFERENCES);
 179                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_full_screen, this), ID_view_full_screen);
 180                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_dual_screen, this), ID_view_dual_screen);
 181                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_closed_captions, this), ID_view_closed_captions);
 182                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_cpl, this, _1), ID_view_cpl, ID_view_cpl + MAX_CPLS);
 183                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(0)), ID_view_scale_full);
 184                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(1)), ID_view_scale_half);
 185                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(2)), ID_view_scale_quarter);
 186                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this), wxID_ABOUT);
 187                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this), ID_help_report_a_problem);
 188                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_verify, this), ID_tools_verify);
 189                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_check_for_updates, this), ID_tools_check_for_updates);
 190                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_timing, this), ID_tools_timing);
 191                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_system_information, this), ID_tools_system_information);
 192
 193                 /* Use a panel as the only child of the Frame so that we avoid
 194                    the dark-grey background on Windows.
 195                 */
 196                 _overall_panel = new wxPanel (this, wxID_ANY);
 197
 198                 _viewer = make_shared<FilmViewer>(_overall_panel);
 199                 if (Config::instance()->player_mode() == Config::PLAYER_MODE_DUAL) {
 200                         auto pc = new PlaylistControls (_overall_panel, _viewer);
 201                         _controls = pc;
 202                         pc->ResetFilm.connect (bind(&DOMFrame::reset_film_weak, this, _1));
 203                 } else {
 204                         _controls = new StandardControls (_overall_panel, _viewer, false);
 205                 }
 206                 _viewer->set_dcp_decode_reduction (Config::instance()->decode_reduction ());
 207                 _viewer->set_optimise_for_j2k (true);
 208                 _viewer->PlaybackPermitted.connect (bind(&DOMFrame::playback_permitted, this));
 209                 _viewer->TooManyDropped.connect (bind(&DOMFrame::too_many_frames_dropped, this));
 210                 _info = new PlayerInformation (_overall_panel, _viewer);
 211                 setup_main_sizer (Config::instance()->player_mode());
 212 #ifdef __WXOSX__
 213                 int accelerators = 12;
 214 #else
 215                 int accelerators = 11;
 216 #endif
 217
 218                 _stress.setup (this, _controls);
 219
 220                 std::vector<wxAcceleratorEntry> accel(accelerators);
 221                 accel[0].Set(wxACCEL_NORMAL,                WXK_SPACE, ID_start_stop);
 222                 accel[1].Set(wxACCEL_NORMAL,                WXK_LEFT,  ID_go_back_frame);
 223                 accel[2].Set(wxACCEL_NORMAL,                WXK_RIGHT, ID_go_forward_frame);
 224                 accel[3].Set(wxACCEL_SHIFT,                 WXK_LEFT,  ID_go_back_small_amount);
 225                 accel[4].Set(wxACCEL_SHIFT,                 WXK_RIGHT, ID_go_forward_small_amount);
 226                 accel[5].Set(wxACCEL_CTRL,                  WXK_LEFT,  ID_go_back_medium_amount);
 227                 accel[6].Set(wxACCEL_CTRL,                  WXK_RIGHT, ID_go_forward_medium_amount);
 228                 accel[7].Set(wxACCEL_SHIFT | wxACCEL_CTRL,  WXK_LEFT,  ID_go_back_large_amount);
 229                 accel[8].Set(wxACCEL_SHIFT | wxACCEL_CTRL,  WXK_RIGHT, ID_go_forward_large_amount);
 230                 accel[9].Set(wxACCEL_NORMAL,                WXK_HOME,  ID_go_to_start);
 231                 accel[10].Set(wxACCEL_NORMAL,               WXK_END,   ID_go_to_end);
 232 #ifdef __WXOSX__
 233                 accel[11].Set(wxACCEL_CTRL, static_cast<int>('W'), ID_file_close);
 234 #endif
 235                 wxAcceleratorTable accel_table (accelerators, accel.data());
 236                 SetAcceleratorTable (accel_table);
 237
 238                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::start_stop_pressed, this), ID_start_stop);
 239                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_back_frame, this),      ID_go_back_frame);
 240                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_forward_frame, this),   ID_go_forward_frame);
 241                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   -60), ID_go_back_small_amount);
 242                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,    60), ID_go_forward_small_amount);
 243                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  -600), ID_go_back_medium_amount);
 244                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   600), ID_go_forward_medium_amount);
 245                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this, -3600), ID_go_back_large_amount);
 246                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  3600), ID_go_forward_large_amount);
 247                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_start, this), ID_go_to_start);
 248                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_end,   this), ID_go_to_end);
 249
 250                 reset_film ();
 251
 252                 UpdateChecker::instance()->StateChanged.connect (boost::bind(&DOMFrame::update_checker_state_changed, this));
 253                 setup_screen ();
 254
 255                 _stress.LoadDCP.connect (boost::bind(&DOMFrame::load_dcp, this, _1));
 256         }
 257
 258         ~DOMFrame ()
 259         {
 260                 /* It's important that this is stopped before our frame starts destroying its children,
 261                  * otherwise UI elements that it depends on will disappear from under it.
 262                  */
 263                 _viewer.reset ();
 264         }
 265
 266         void setup_main_sizer (Config::PlayerMode mode)
 267         {
 268                 _main_sizer->Detach (_viewer->panel());
 269                 _main_sizer->Detach (_controls);
 270                 _main_sizer->Detach (_info);
 271                 if (mode != Config::PLAYER_MODE_DUAL) {
 272                         _main_sizer->Add (_viewer->panel(), 1, wxEXPAND);
 273                 }
 274                 _main_sizer->Add (_controls, mode == Config::PLAYER_MODE_DUAL ? 1 : 0, wxEXPAND | wxALL, 6);
 275                 _main_sizer->Add (_info, 0, wxEXPAND | wxALL, 6);
 276                 _overall_panel->SetSizer (_main_sizer);
 277                 _overall_panel->Layout ();
 278         }
 279
 280         bool playback_permitted ()
 281         {
 282                 if (!_film || !Config::instance()->respect_kdm_validity_periods()) {
 283                         return true;
 284                 }
 285
 286                 bool ok = true;
 287                 for (auto i: _film->content()) {
 288                         auto d = dynamic_pointer_cast<DCPContent>(i);
 289                         if (d && !d->kdm_timing_window_valid()) {
 290                                 ok = false;
 291                         }
 292                 }
 293
 294                 if (!ok) {
 295                         error_dialog (this, _("The KDM does not allow playback of this content at this time."));
 296                 }
 297
 298                 return ok;
 299         }
 300
 301
 302         void too_many_frames_dropped ()
 303         {
 304                 if (!Config::instance()->nagged(Config::NAG_TOO_MANY_DROPPED_FRAMES)) {
 305                         _viewer->stop ();
 306                 }
 307
 308                 NagDialog::maybe_nag (
 309                         this,
 310                         Config::NAG_TOO_MANY_DROPPED_FRAMES,
 311                         _(wxS("The player is dropping a lot of frames, so playback may not be accurate.\n\n"
 312                           "<b>This does not necessarily mean that the DCP you are playing is defective!</b>\n\n"
 313                           "You may be able to improve player performance by:\n"
 314                           "• choosing 'decode at half resolution' or 'decode at quarter resolution' from the View menu\n"
 315                           "• using a more powerful computer.\n"
 316                          ))
 317                         );
 318         }
 319
 320         void set_decode_reduction (optional<int> reduction)
 321         {
 322                 _viewer->set_dcp_decode_reduction (reduction);
 323                 _info->triggered_update ();
 324                 Config::instance()->set_decode_reduction (reduction);
 325         }
 326
 327         void load_dcp (boost::filesystem::path dir)
 328         {
 329                 DCPOMATIC_ASSERT (_film);
 330
 331                 reset_film ();
 332                 try {
 333                         _stress.set_suspended (true);
 334                         // here
 335                         auto dcp = make_shared<DCPContent>(dir);
 336                         auto job = make_shared<ExamineContentJob>(_film, dcp);
 337                         _examine_job_connection = job->Finished.connect(bind(&DOMFrame::add_dcp_to_film, this, weak_ptr<Job>(job), weak_ptr<Content>(dcp)));
 338                         JobManager::instance()->add (job);
 339                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 340                         if (!ok || !report_errors_from_last_job(this)) {
 341                                 return;
 342                         }
 343                         Config::instance()->add_to_player_history (dir);
 344                 } catch (ProjectFolderError &) {
 345                         error_dialog (
 346                                 this,
 347                                 wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())),
 348                                 _(
 349                                         "This looks like a DCP-o-matic project folder, which cannot be loaded into the player.  "
 350                                         "Choose the DCP directory inside the DCP-o-matic project folder if that's what you want to play."
 351                                  )
 352                                 );
 353                 } catch (dcp::ReadError& e) {
 354                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 355                 } catch (DCPError& e) {
 356                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 357                 }
 358         }
 359
 360         void add_dcp_to_film (weak_ptr<Job> weak_job, weak_ptr<Content> weak_content)
 361         {
 362                 auto job = weak_job.lock ();
 363                 if (!job || !job->finished_ok()) {
 364                         return;
 365                 }
 366
 367                 auto content = weak_content.lock ();
 368                 if (!content) {
 369                         return;
 370                 }
 371
 372                 _film->add_content (content);
 373                 _stress.set_suspended (false);
 374         }
 375
 376         void reset_film_weak (weak_ptr<Film> weak_film)
 377         {
 378                 auto film = weak_film.lock ();
 379                 if (film) {
 380                         reset_film (film);
 381                 }
 382         }
 383
 384         void reset_film (shared_ptr<Film> film = shared_ptr<Film>(new Film(optional<boost::filesystem::path>())))
 385         {
 386                 _film = film;
 387                 _film->set_tolerant (true);
 388                 _film->set_audio_channels (MAX_DCP_AUDIO_CHANNELS);
 389                 _viewer->set_film (_film);
 390                 _controls->set_film (_film);
 391                 _film->Change.connect (bind(&DOMFrame::film_changed, this, _1, _2));
 392                 _info->triggered_update ();
 393         }
 394
 395         void film_changed (ChangeType type, Film::Property property)
 396         {
 397                 if (type != ChangeType::DONE || property != Film::Property::CONTENT) {
 398                         return;
 399                 }
 400
 401                 if (_viewer->playing ()) {
 402                         _viewer->stop ();
 403                 }
 404
 405                 /* Start off as Flat */
 406                 _film->set_container (Ratio::from_id("185"));
 407
 408                 for (auto i: _film->content()) {
 409                         auto dcp = dynamic_pointer_cast<DCPContent>(i);
 410
 411                         for (auto j: i->text) {
 412                                 j->set_use (true);
 413                         }
 414
 415                         if (i->video) {
 416                                 auto const r = Ratio::nearest_from_ratio(i->video->size().ratio());
 417                                 if (r->id() == "239") {
 418                                         /* Any scope content means we use scope */
 419                                         _film->set_container(r);
 420                                 }
 421                         }
 422
 423                         /* Any 3D content means we use 3D mode */
 424                         if (i->video && i->video->frame_type() != VideoFrameType::TWO_D) {
 425                                 _film->set_three_d (true);
 426                         }
 427                 }
 428
 429                 _viewer->seek (DCPTime(), true);
 430                 _info->triggered_update ();
 431
 432                 set_menu_sensitivity ();
 433
 434                 auto old = _cpl_menu->GetMenuItems();
 435                 for (auto const& i: old) {
 436                         _cpl_menu->Remove (i);
 437                 }
 438
 439                 if (_film->content().size() == 1) {
 440                         /* Offer a CPL menu */
 441                         auto first = dynamic_pointer_cast<DCPContent>(_film->content().front());
 442                         if (first) {
 443                                 int id = ID_view_cpl;
 444                                 for (auto i: dcp::find_and_resolve_cpls(first->directories(), true)) {
 445                                         auto j = _cpl_menu->AppendRadioItem(
 446                                                 id,
 447                                                 wxString::Format("%s (%s)", std_to_wx(i->annotation_text().get_value_or("")).data(), std_to_wx(i->id()).data())
 448                                                 );
 449                                         j->Check(!first->cpl() || i->id() == *first->cpl());
 450                                         ++id;
 451                                 }
 452                         }
 453                 }
 454         }
 455
 456         void load_stress_script (boost::filesystem::path path)
 457         {
 458                 _stress.load_script (path);
 459         }
 460
 461 private:
 462
 463         void examine_content ()
 464         {
 465                 DCPOMATIC_ASSERT (_film);
 466                 auto dcp = dynamic_pointer_cast<DCPContent>(_film->content().front());
 467                 DCPOMATIC_ASSERT (dcp);
 468                 dcp->examine (_film, shared_ptr<Job>());
 469
 470                 /* Examining content re-creates the TextContent objects, so we must re-enable them */
 471                 for (auto i: dcp->text) {
 472                         i->set_use (true);
 473                 }
 474         }
 475
 476         bool report_errors_from_last_job (wxWindow* parent) const
 477         {
 478                 auto jm = JobManager::instance ();
 479
 480                 DCPOMATIC_ASSERT (!jm->get().empty());
 481
 482                 auto last = jm->get().back();
 483                 if (last->finished_in_error()) {
 484                         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()));
 485                         return false;
 486                 }
 487
 488                 return true;
 489         }
 490
 491         void setup_menu (wxMenuBar* m)
 492         {
 493                 _file_menu = new wxMenu;
 494                 _file_menu->Append (ID_file_open, _("&Open...\tCtrl-O"));
 495                 _file_add_ov = _file_menu->Append (ID_file_add_ov, _("&Add OV..."));
 496                 _file_add_kdm = _file_menu->Append (ID_file_add_kdm, _("Add &KDM..."));
 497                 _file_menu->AppendSeparator ();
 498                 _file_save_frame = _file_menu->Append (ID_file_save_frame, _("&Save frame to file...\tCtrl-S"));
 499
 500                 _history_position = _file_menu->GetMenuItems().GetCount();
 501
 502                 _file_menu->AppendSeparator ();
 503                 _file_menu->Append (ID_file_close, _("&Close"));
 504                 _file_menu->AppendSeparator ();
 505
 506 #ifdef __WXOSX__
 507                 _file_menu->Append (wxID_EXIT, _("&Exit"));
 508 #else
 509                 _file_menu->Append (wxID_EXIT, _("&Quit"));
 510 #endif
 511
 512 #ifdef __WXOSX__
 513                 auto prefs = _file_menu->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 514 #else
 515                 auto edit = new wxMenu;
 516                 auto prefs = edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 517 #endif
 518
 519                 prefs->Enable (Config::instance()->have_write_permission());
 520
 521                 _cpl_menu = new wxMenu;
 522
 523                 auto view = new wxMenu;
 524                 auto c = Config::instance()->decode_reduction();
 525                 _view_cpl = view->Append(ID_view_cpl, _("CPL"), _cpl_menu);
 526                 view->AppendSeparator();
 527                 _view_full_screen = view->AppendCheckItem(ID_view_full_screen, _("Full screen\tF11"));
 528                 _view_dual_screen = view->AppendCheckItem(ID_view_dual_screen, _("Dual screen\tShift+F11"));
 529                 setup_menu ();
 530                 view->AppendSeparator();
 531                 view->Append(ID_view_closed_captions, _("Closed captions..."));
 532                 view->AppendSeparator();
 533                 view->AppendRadioItem(ID_view_scale_appropriate, _("Set decode resolution to match display"))->Check(!static_cast<bool>(c));
 534                 view->AppendRadioItem(ID_view_scale_full, _("Decode at full resolution"))->Check(c && c.get() == 0);
 535                 view->AppendRadioItem(ID_view_scale_half, _("Decode at half resolution"))->Check(c && c.get() == 1);
 536                 view->AppendRadioItem(ID_view_scale_quarter, _("Decode at quarter resolution"))->Check(c && c.get() == 2);
 537
 538                 auto tools = new wxMenu;
 539                 _tools_verify = tools->Append (ID_tools_verify, _("Verify DCP..."));
 540                 tools->AppendSeparator ();
 541                 tools->Append (ID_tools_check_for_updates, _("Check for updates"));
 542                 tools->Append (ID_tools_timing, _("Timing..."));
 543                 tools->Append (ID_tools_system_information, _("System information..."));
 544
 545                 auto help = new wxMenu;
 546 #ifdef __WXOSX__
 547                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 548 #else
 549                 help->Append (wxID_ABOUT, _("About"));
 550 #endif
 551                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 552
 553                 m->Append (_file_menu, _("&File"));
 554 #ifndef __WXOSX__
 555                 m->Append (edit, _("&Edit"));
 556 #endif
 557                 m->Append (view, _("&View"));
 558                 m->Append (tools, _("&Tools"));
 559                 m->Append (help, _("&Help"));
 560         }
 561
 562         void file_open ()
 563         {
 564                 auto d = wxStandardPaths::Get().GetDocumentsDir();
 565                 if (Config::instance()->last_player_load_directory()) {
 566                         d = std_to_wx (Config::instance()->last_player_load_directory()->string());
 567                 }
 568
 569                 auto c = new wxDirDialog (this, _("Select DCP to open"), d, wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST);
 570
 571                 int r;
 572                 while (true) {
 573                         r = c->ShowModal ();
 574                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 575                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 576                         } else {
 577                                 break;
 578                         }
 579                 }
 580
 581                 if (r == wxID_OK) {
 582                         boost::filesystem::path const dcp (wx_to_std (c->GetPath ()));
 583                         load_dcp (dcp);
 584                         Config::instance()->set_last_player_load_directory (dcp.parent_path());
 585                 }
 586
 587                 c->Destroy ();
 588         }
 589
 590         void file_add_ov ()
 591         {
 592                 auto c = new wxDirDialog (
 593                         this,
 594                         _("Select DCP to open as OV"),
 595                         wxStandardPaths::Get().GetDocumentsDir(),
 596                         wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST
 597                         );
 598
 599                 int r;
 600                 while (true) {
 601                         r = c->ShowModal ();
 602                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 603                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 604                         } else {
 605                                 break;
 606                         }
 607                 }
 608
 609                 if (r == wxID_OK) {
 610                         DCPOMATIC_ASSERT (_film);
 611                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 612                         DCPOMATIC_ASSERT (dcp);
 613                         dcp->add_ov (wx_to_std(c->GetPath()));
 614                         JobManager::instance()->add(make_shared<ExamineContentJob>(_film, dcp));
 615                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 616                         if (!ok || !report_errors_from_last_job(this)) {
 617                                 return;
 618                         }
 619                         for (auto i: dcp->text) {
 620                                 i->set_use (true);
 621                         }
 622                         if (dcp->video) {
 623                                 auto const r = Ratio::nearest_from_ratio(dcp->video->size().ratio());
 624                                 if (r) {
 625                                         _film->set_container(r);
 626                                 }
 627                         }
 628                 }
 629
 630                 c->Destroy ();
 631                 _info->triggered_update ();
 632         }
 633
 634         void file_add_kdm ()
 635         {
 636                 auto d = new wxFileDialog (this, _("Select KDM"));
 637
 638                 if (d->ShowModal() == wxID_OK) {
 639                         DCPOMATIC_ASSERT (_film);
 640                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 641                         DCPOMATIC_ASSERT (dcp);
 642                         try {
 643                                 if (dcp) {
 644                                         _viewer->set_coalesce_player_changes (true);
 645                                         dcp->add_kdm (dcp::EncryptedKDM(dcp::file_to_string(wx_to_std(d->GetPath()), MAX_KDM_SIZE)));
 646                                         examine_content();
 647                                         _viewer->set_coalesce_player_changes (false);
 648                                 }
 649                         } catch (exception& e) {
 650                                 error_dialog (this, wxString::Format (_("Could not load KDM.")), std_to_wx(e.what()));
 651                                 d->Destroy ();
 652                                 return;
 653                         }
 654                 }
 655
 656                 d->Destroy ();
 657                 _info->triggered_update ();
 658         }
 659
 660         void file_save_frame ()
 661         {
 662                 wxFileDialog dialog (this, _("Save frame to file"), "", "", "PNG files (*.png)|*.png|JPEG files (*.jpg,*.jpeg)|*.jpg,*.jpeg", wxFD_SAVE | wxFD_OVERWRITE_PROMPT);
 663                 if (dialog.ShowModal() == wxID_CANCEL) {
 664                         return;
 665                 }
 666
 667                 auto path = boost::filesystem::path (wx_to_std(dialog.GetPath()));
 668
 669                 auto player = make_shared<Player>(_film, Image::Alignment::PADDED);
 670                 player->seek (_viewer->position(), true);
 671
 672                 bool done = false;
 673                 player->Video.connect ([path, &done, this](shared_ptr<PlayerVideo> video, DCPTime) {
 674                         auto ext = boost::algorithm::to_lower_copy(path.extension().string());
 675                         if (ext == ".png") {
 676                                 auto image = video->image(boost::bind(PlayerVideo::force, AV_PIX_FMT_RGBA), VideoRange::FULL, false);
 677                                 image_as_png(image).write(path);
 678                         } else if (ext == ".jpg" || ext == ".jpeg") {
 679                                 auto image = video->image(boost::bind(PlayerVideo::force, AV_PIX_FMT_RGB24), VideoRange::FULL, false);
 680                                 image_as_jpeg(image, 80).write(path);
 681                         } else {
 682                                 error_dialog (this, _(wxString::Format("Unrecognised file extension %s (use .jpg, .jpeg or .png)", std_to_wx(ext))));
 683                         }
 684                         done = true;
 685                 });
 686
 687                 int tries_left = 50;
 688                 while (!done && tries_left >= 0) {
 689                         player->pass();
 690                         --tries_left;
 691                 }
 692
 693                 DCPOMATIC_ASSERT (tries_left >= 0);
 694         }
 695
 696         void file_history (wxCommandEvent& event)
 697         {
 698                 auto history = Config::instance()->player_history ();
 699                 int n = event.GetId() - ID_file_history;
 700                 if (n >= 0 && n < static_cast<int> (history.size ())) {
 701                         try {
 702                                 load_dcp (history[n]);
 703                         } catch (exception& e) {
 704                                 error_dialog (0, std_to_wx(String::compose(wx_to_std(_("Could not load DCP %1.")), history[n])), std_to_wx(e.what()));
 705                         }
 706                 }
 707         }
 708
 709         void file_close ()
 710         {
 711                 reset_film ();
 712                 _info->triggered_update ();
 713                 set_menu_sensitivity ();
 714         }
 715
 716         void file_exit ()
 717         {
 718                 Close ();
 719         }
 720
 721         void edit_preferences ()
 722         {
 723                 if (!Config::instance()->have_write_permission()) {
 724                         return;
 725                 }
 726
 727                 if (!_config_dialog) {
 728                         _config_dialog = create_player_config_dialog ();
 729                 }
 730                 _config_dialog->Show (this);
 731         }
 732
 733         void view_cpl (wxCommandEvent& ev)
 734         {
 735                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 736                 DCPOMATIC_ASSERT (dcp);
 737                 auto cpls = dcp::find_and_resolve_cpls (dcp->directories(), true);
 738                 int id = ev.GetId() - ID_view_cpl;
 739                 DCPOMATIC_ASSERT (id >= 0);
 740                 DCPOMATIC_ASSERT (id < int(cpls.size()));
 741                 auto i = cpls.begin();
 742                 while (id > 0) {
 743                         ++i;
 744                         --id;
 745                 }
 746
 747                 _viewer->set_coalesce_player_changes (true);
 748                 dcp->set_cpl ((*i)->id());
 749                 examine_content ();
 750                 _viewer->set_coalesce_player_changes (false);
 751
 752                 _info->triggered_update ();
 753         }
 754
 755         void view_full_screen ()
 756         {
 757                 if (_mode == Config::PLAYER_MODE_FULL) {
 758                         _mode = Config::PLAYER_MODE_WINDOW;
 759                 } else {
 760                         _mode = Config::PLAYER_MODE_FULL;
 761                 }
 762                 setup_screen ();
 763                 setup_menu ();
 764         }
 765
 766         void view_dual_screen ()
 767         {
 768                 if (_mode == Config::PLAYER_MODE_DUAL) {
 769                         _mode = Config::PLAYER_MODE_WINDOW;
 770                 } else {
 771                         _mode = Config::PLAYER_MODE_DUAL;
 772                 }
 773                 setup_screen ();
 774                 setup_menu ();
 775         }
 776
 777         void setup_menu ()
 778         {
 779                 if (_view_full_screen) {
 780                         _view_full_screen->Check (_mode == Config::PLAYER_MODE_FULL);
 781                 }
 782                 if (_view_dual_screen) {
 783                         _view_dual_screen->Check (_mode == Config::PLAYER_MODE_DUAL);
 784                 }
 785         }
 786
 787         void setup_screen ()
 788         {
 789                 _controls->Show (_mode != Config::PLAYER_MODE_FULL);
 790                 _info->Show (_mode != Config::PLAYER_MODE_FULL);
 791                 _overall_panel->SetBackgroundColour (_mode == Config::PLAYER_MODE_FULL ? wxColour(0, 0, 0) : wxNullColour);
 792                 ShowFullScreen (_mode == Config::PLAYER_MODE_FULL);
 793                 _viewer->set_pad_black (_mode != Config::PLAYER_MODE_WINDOW);
 794
 795                 if (_mode == Config::PLAYER_MODE_DUAL) {
 796                         _dual_screen = new wxFrame (this, wxID_ANY, wxT(""));
 797                         _dual_screen->SetBackgroundColour (wxColour(0, 0, 0));
 798                         _dual_screen->ShowFullScreen (true);
 799                         _viewer->panel()->Reparent (_dual_screen);
 800                         _dual_screen->Show ();
 801                         if (wxDisplay::GetCount() > 1) {
 802                                 switch (Config::instance()->image_display()) {
 803                                 case 0:
 804                                         _dual_screen->Move (0, 0);
 805                                         Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
 806                                         break;
 807                                 case 1:
 808                                         _dual_screen->Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
 809                                         // (0, 0) doesn't seem to work for some strange reason
 810                                         Move (8, 8);
 811                                         break;
 812                                 }
 813                         }
 814                 } else {
 815                         if (_dual_screen) {
 816                                 _viewer->panel()->Reparent (_overall_panel);
 817                                 _dual_screen->Destroy ();
 818                                 _dual_screen = 0;
 819                         }
 820                 }
 821
 822                 setup_main_sizer (_mode);
 823         }
 824
 825         void view_closed_captions ()
 826         {
 827                 _viewer->show_closed_captions ();
 828         }
 829
 830         void tools_verify ()
 831         {
 832                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 833                 DCPOMATIC_ASSERT (dcp);
 834
 835                 auto job = make_shared<VerifyDCPJob>(dcp->directories());
 836                 auto progress = new VerifyDCPProgressDialog(this, _("DCP-o-matic Player"));
 837                 bool const completed = progress->run (job);
 838                 progress->Destroy ();
 839                 if (!completed) {
 840                         return;
 841                 }
 842
 843                 auto d = new VerifyDCPDialog (this, job);
 844                 d->ShowModal ();
 845                 d->Destroy ();
 846         }
 847
 848         void tools_check_for_updates ()
 849         {
 850                 UpdateChecker::instance()->run ();
 851                 _update_news_requested = true;
 852         }
 853
 854         void tools_timing ()
 855         {
 856                 auto d = new TimerDisplay (this, _viewer->state_timer(), _viewer->gets());
 857                 d->ShowModal ();
 858                 d->Destroy ();
 859         }
 860
 861         void tools_system_information ()
 862         {
 863                 if (!_system_information_dialog) {
 864                         _system_information_dialog = new SystemInformationDialog (this, _viewer);
 865                 }
 866
 867                 _system_information_dialog->Show ();
 868         }
 869
 870         void help_about ()
 871         {
 872                 auto d = new AboutDialog (this);
 873                 d->ShowModal ();
 874                 d->Destroy ();
 875         }
 876
 877         void help_report_a_problem ()
 878         {
 879                 auto d = new ReportProblemDialog (this);
 880                 if (d->ShowModal () == wxID_OK) {
 881                         d->report ();
 882                 }
 883                 d->Destroy ();
 884         }
 885
 886         void update_checker_state_changed ()
 887         {
 888                 auto uc = UpdateChecker::instance ();
 889
 890                 bool const announce =
 891                         _update_news_requested ||
 892                         (uc->stable() && Config::instance()->check_for_updates()) ||
 893                         (uc->test() && Config::instance()->check_for_updates() && Config::instance()->check_for_test_updates());
 894
 895                 _update_news_requested = false;
 896
 897                 if (!announce) {
 898                         return;
 899                 }
 900
 901                 if (uc->state() == UpdateChecker::State::YES) {
 902                         auto dialog = new UpdateDialog (this, uc->stable (), uc->test ());
 903                         dialog->ShowModal ();
 904                         dialog->Destroy ();
 905                 } else if (uc->state() == UpdateChecker::State::FAILED) {
 906                         error_dialog (this, _("The DCP-o-matic download server could not be contacted."));
 907                 } else {
 908                         error_dialog (this, _("There are no new versions of DCP-o-matic available."));
 909                 }
 910
 911                 _update_news_requested = false;
 912         }
 913
 914         void config_changed (Config::Property prop)
 915         {
 916                 /* Instantly save any config changes when using the player GUI */
 917                 try {
 918                         Config::instance()->write_config();
 919                 } catch (FileError& e) {
 920                         if (prop != Config::HISTORY) {
 921                                 error_dialog (
 922                                         this,
 923                                         wxString::Format(
 924                                                 _("Could not write to config file at %s.  Your changes have not been saved."),
 925                                                 std_to_wx(e.file().string())
 926                                                 )
 927                                         );
 928                         }
 929                 } catch (exception& e) {
 930                         error_dialog (
 931                                 this,
 932                                 _("Could not write to config file.  Your changes have not been saved.")
 933                                 );
 934                 }
 935
 936                 update_from_config (prop);
 937         }
 938
 939         void update_from_config (Config::Property prop)
 940         {
 941                 for (int i = 0; i < _history_items; ++i) {
 942                         delete _file_menu->Remove (ID_file_history + i);
 943                 }
 944
 945                 if (_history_separator) {
 946                         _file_menu->Remove (_history_separator);
 947                 }
 948                 delete _history_separator;
 949                 _history_separator = nullptr;
 950
 951                 int pos = _history_position;
 952
 953                 /* Clear out non-existant history items before we re-build the menu */
 954                 Config::instance()->clean_player_history ();
 955                 auto history = Config::instance()->player_history ();
 956
 957                 if (!history.empty ()) {
 958                         _history_separator = _file_menu->InsertSeparator (pos++);
 959                 }
 960
 961                 for (size_t i = 0; i < history.size(); ++i) {
 962                         string s;
 963                         if (i < 9) {
 964                                 s = String::compose ("&%1 %2", i + 1, history[i].string());
 965                         } else {
 966                                 s = history[i].string();
 967                         }
 968                         _file_menu->Insert (pos++, ID_file_history + i, std_to_wx (s));
 969                 }
 970
 971                 _history_items = history.size ();
 972
 973                 if (prop == Config::PLAYER_DEBUG_LOG) {
 974                         auto p = Config::instance()->player_debug_log_file();
 975                         if (p) {
 976                                 dcpomatic_log = make_shared<FileLog>(*p);
 977                         } else {
 978                                 dcpomatic_log = make_shared<NullLog>();
 979                         }
 980                         dcpomatic_log->set_types (LogEntry::TYPE_GENERAL | LogEntry::TYPE_WARNING | LogEntry::TYPE_ERROR | LogEntry::TYPE_DEBUG_VIDEO_VIEW);
 981                 }
 982         }
 983
 984         void set_menu_sensitivity ()
 985         {
 986                 _tools_verify->Enable (static_cast<bool>(_film));
 987                 _file_add_ov->Enable (static_cast<bool>(_film));
 988                 _file_add_kdm->Enable (static_cast<bool>(_film));
 989                 _file_save_frame->Enable (static_cast<bool>(_film));
 990                 _view_cpl->Enable (static_cast<bool>(_film));
 991         }
 992
 993         void start_stop_pressed ()
 994         {
 995                 if (_viewer->playing()) {
 996                         _viewer->stop();
 997                 } else {
 998                         _viewer->start();
 999                 }
1000         }
1001
1002         void go_back_frame ()
1003         {
1004                 _viewer->seek_by (-_viewer->one_video_frame(), true);
1005         }
1006
1007         void go_forward_frame ()
1008         {
1009                 _viewer->seek_by (_viewer->one_video_frame(), true);
1010         }
1011
1012         void go_seconds (int s)
1013         {
1014                 _viewer->seek_by (DCPTime::from_seconds(s), true);
1015         }
1016
1017         void go_to_start ()
1018         {
1019                 _viewer->seek (DCPTime(), true);
1020         }
1021
1022         void go_to_end ()
1023         {
1024                 _viewer->seek (_film->length() - _viewer->one_video_frame(), true);
1025         }
1026
1027         wxFrame* _dual_screen = nullptr;
1028         bool _update_news_requested = false;
1029         PlayerInformation* _info = nullptr;
1030         Config::PlayerMode _mode;
1031         wxPreferencesEditor* _config_dialog = nullptr;
1032         wxPanel* _overall_panel = nullptr;
1033         wxMenu* _file_menu = nullptr;
1034         wxMenuItem* _view_cpl = nullptr;
1035         wxMenu* _cpl_menu = nullptr;
1036         int _history_items = 0;
1037         int _history_position = 0;
1038         wxMenuItem* _history_separator = nullptr;
1039         shared_ptr<FilmViewer> _viewer;
1040         Controls* _controls;
1041         SystemInformationDialog* _system_information_dialog = nullptr;
1042         std::shared_ptr<Film> _film;
1043         boost::signals2::scoped_connection _config_changed_connection;
1044         boost::signals2::scoped_connection _examine_job_connection;
1045         wxMenuItem* _file_add_ov = nullptr;
1046         wxMenuItem* _file_add_kdm = nullptr;
1047         wxMenuItem* _file_save_frame = nullptr;
1048         wxMenuItem* _tools_verify = nullptr;
1049         wxMenuItem* _view_full_screen = nullptr;
1050         wxMenuItem* _view_dual_screen = nullptr;
1051         wxSizer* _main_sizer = nullptr;
1052         PlayerStressTester _stress;
1053 };
1054
1055 static const wxCmdLineEntryDesc command_line_description[] = {
1056         { wxCMD_LINE_PARAM, 0, 0, "DCP to load or create", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1057         { wxCMD_LINE_OPTION, "c", "config", "Directory containing config.xml", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1058         { wxCMD_LINE_OPTION, "s", "stress", "File containing description of stress test", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1059         { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
1060 };
1061
1062 class PlayServer : public Server
1063 {
1064 public:
1065         explicit PlayServer (DOMFrame* frame)
1066                 : Server (PLAYER_PLAY_PORT)
1067                 , _frame (frame)
1068         {}
1069
1070         void handle (shared_ptr<Socket> socket)
1071         {
1072                 try {
1073                         int const length = socket->read_uint32 ();
1074                         scoped_array<char> buffer (new char[length]);
1075                         socket->read (reinterpret_cast<uint8_t*> (buffer.get()), length);
1076                         string s (buffer.get());
1077                         signal_manager->when_idle (bind (&DOMFrame::load_dcp, _frame, s));
1078                         socket->write (reinterpret_cast<uint8_t const *> ("OK"), 3);
1079                 } catch (...) {
1080
1081                 }
1082         }
1083
1084 private:
1085         DOMFrame* _frame;
1086 };
1087
1088 /** @class App
1089  *  @brief The magic App class for wxWidgets.
1090  */
1091 class App : public wxApp
1092 {
1093 public:
1094         App ()
1095                 : wxApp ()
1096         {
1097 #ifdef DCPOMATIC_LINUX
1098                 XInitThreads ();
1099 #endif
1100         }
1101
1102 private:
1103
1104         bool OnInit ()
1105         {
1106                 wxSplashScreen* splash = nullptr;
1107                 try {
1108                         wxInitAllImageHandlers ();
1109
1110                         Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
1111                         Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
1112
1113                         splash = maybe_show_splash ();
1114
1115                         SetAppName (_("DCP-o-matic Player"));
1116
1117                         if (!wxApp::OnInit()) {
1118                                 return false;
1119                         }
1120
1121 #ifdef DCPOMATIC_LINUX
1122                         unsetenv ("UBUNTU_MENUPROXY");
1123 #endif
1124
1125 #ifdef DCPOMATIC_OSX
1126                         make_foreground_application ();
1127 #endif
1128
1129                         dcpomatic_setup_path_encoding ();
1130
1131                         /* Enable i18n; this will create a Config object
1132                            to look for a force-configured language.  This Config
1133                            object will be wrong, however, because dcpomatic_setup
1134                            hasn't yet been called and there aren't any filters etc.
1135                            set up yet.
1136                         */
1137                         dcpomatic_setup_i18n ();
1138
1139                         /* Set things up, including filters etc.
1140                            which will now be internationalised correctly.
1141                         */
1142                         dcpomatic_setup ();
1143
1144                         /* Force the configuration to be re-loaded correctly next
1145                            time it is needed.
1146                         */
1147                         Config::drop ();
1148
1149                         signal_manager = new wxSignalManager (this);
1150
1151                         _frame = new DOMFrame ();
1152                         SetTopWindow (_frame);
1153                         _frame->Maximize ();
1154                         if (splash) {
1155                                 splash->Destroy ();
1156                                 splash = nullptr;
1157                         }
1158                         _frame->Show ();
1159
1160                         try {
1161                                 auto server = new PlayServer (_frame);
1162                                 new thread (boost::bind (&PlayServer::run, server));
1163                         } catch (std::exception& e) {
1164                                 /* This is not the end of the world; probably a failure to bind the server socket
1165                                  * because there's already another player running.
1166                                  */
1167                                 LOG_DEBUG_PLAYER ("Failed to start play server (%1)", e.what());
1168                         }
1169
1170                         if (!_dcp_to_load.empty() && boost::filesystem::is_directory (_dcp_to_load)) {
1171                                 try {
1172                                         _frame->load_dcp (_dcp_to_load);
1173                                 } catch (exception& e) {
1174                                         error_dialog (0, std_to_wx (String::compose (wx_to_std (_("Could not load DCP %1.")), _dcp_to_load)), std_to_wx(e.what()));
1175                                 }
1176                         }
1177
1178                         if (_stress) {
1179                                 try {
1180                                         _frame->load_stress_script (*_stress);
1181                                 } catch (exception& e) {
1182                                         error_dialog (0, wxString::Format("Could not load stress test file %s", std_to_wx(*_stress)));
1183                                 }
1184                         }
1185
1186                         Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
1187
1188                         if (Config::instance()->check_for_updates ()) {
1189                                 UpdateChecker::instance()->run ();
1190                         }
1191                 }
1192                 catch (exception& e)
1193                 {
1194                         if (splash) {
1195                                 splash->Destroy ();
1196                         }
1197                         error_dialog (0, _("DCP-o-matic Player could not start."), std_to_wx(e.what()));
1198                 }
1199
1200                 return true;
1201         }
1202
1203         void OnInitCmdLine (wxCmdLineParser& parser)
1204         {
1205                 parser.SetDesc (command_line_description);
1206                 parser.SetSwitchChars (wxT ("-"));
1207         }
1208
1209         bool OnCmdLineParsed (wxCmdLineParser& parser)
1210         {
1211                 if (parser.GetParamCount() > 0) {
1212                         _dcp_to_load = wx_to_std (parser.GetParam (0));
1213                 }
1214
1215                 wxString config;
1216                 if (parser.Found("c", &config)) {
1217                         Config::override_path = wx_to_std (config);
1218                 }
1219                 wxString stress;
1220                 if (parser.Found("s", &stress)) {
1221                         _stress = wx_to_std (stress);
1222                 }
1223
1224                 return true;
1225         }
1226
1227         void report_exception ()
1228         {
1229                 try {
1230                         throw;
1231                 } catch (FileError& e) {
1232                         error_dialog (
1233                                 0,
1234                                 wxString::Format (
1235                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
1236                                         std_to_wx (e.what()),
1237                                         std_to_wx (e.file().string().c_str ())
1238                                         )
1239                                 );
1240                 } catch (exception& e) {
1241                         error_dialog (
1242                                 0,
1243                                 wxString::Format (
1244                                         _("An exception occurred: %s.\n\n") + REPORT_PROBLEM,
1245                                         std_to_wx (e.what ())
1246                                         )
1247                                 );
1248                 } catch (...) {
1249                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
1250                 }
1251         }
1252
1253         /* An unhandled exception has occurred inside the main event loop */
1254         bool OnExceptionInMainLoop ()
1255         {
1256                 report_exception ();
1257                 /* This will terminate the program */
1258                 return false;
1259         }
1260
1261         void OnUnhandledException ()
1262         {
1263                 report_exception ();
1264         }
1265
1266         void idle ()
1267         {
1268                 signal_manager->ui_idle ();
1269         }
1270
1271         void config_failed_to_load ()
1272         {
1273                 message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
1274         }
1275
1276         void config_warning (string m)
1277         {
1278                 message_dialog (_frame, std_to_wx (m));
1279         }
1280
1281         DOMFrame* _frame = nullptr;
1282         string _dcp_to_load;
1283         boost::optional<string> _stress;
1284 };
1285
1286 IMPLEMENT_APP (App)