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                         auto dcp = make_shared<DCPContent>(dir);
 335                         auto job = make_shared<ExamineContentJob>(_film, dcp);
 336                         _examine_job_connection = job->Finished.connect(bind(&DOMFrame::add_dcp_to_film, this, weak_ptr<Job>(job), weak_ptr<Content>(dcp)));
 337                         JobManager::instance()->add (job);
 338                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 339                         if (!ok || !report_errors_from_last_job(this)) {
 340                                 return;
 341                         }
 342                         Config::instance()->add_to_player_history (dir);
 343                 } catch (ProjectFolderError &) {
 344                         error_dialog (
 345                                 this,
 346                                 wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())),
 347                                 _(
 348                                         "This looks like a DCP-o-matic project folder, which cannot be loaded into the player.  "
 349                                         "Choose the DCP directory inside the DCP-o-matic project folder if that's what you want to play."
 350                                  )
 351                                 );
 352                 } catch (dcp::ReadError& e) {
 353                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 354                 } catch (DCPError& e) {
 355                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 356                 }
 357         }
 358
 359         void add_dcp_to_film (weak_ptr<Job> weak_job, weak_ptr<Content> weak_content)
 360         {
 361                 auto job = weak_job.lock ();
 362                 if (!job || !job->finished_ok()) {
 363                         return;
 364                 }
 365
 366                 auto content = weak_content.lock ();
 367                 if (!content) {
 368                         return;
 369                 }
 370
 371                 _film->add_content (content);
 372                 _stress.set_suspended (false);
 373         }
 374
 375         void reset_film_weak (weak_ptr<Film> weak_film)
 376         {
 377                 auto film = weak_film.lock ();
 378                 if (film) {
 379                         reset_film (film);
 380                 }
 381         }
 382
 383         void reset_film (shared_ptr<Film> film = shared_ptr<Film>(new Film(optional<boost::filesystem::path>())))
 384         {
 385                 _film = film;
 386                 _film->set_tolerant (true);
 387                 _film->set_audio_channels (MAX_DCP_AUDIO_CHANNELS);
 388                 _viewer->set_film (_film);
 389                 _controls->set_film (_film);
 390                 _film->Change.connect (bind(&DOMFrame::film_changed, this, _1, _2));
 391                 _info->triggered_update ();
 392         }
 393
 394         void film_changed (ChangeType type, Film::Property property)
 395         {
 396                 if (type != ChangeType::DONE || property != Film::Property::CONTENT) {
 397                         return;
 398                 }
 399
 400                 if (_viewer->playing ()) {
 401                         _viewer->stop ();
 402                 }
 403
 404                 /* Start off as Flat */
 405                 _film->set_container (Ratio::from_id("185"));
 406
 407                 for (auto i: _film->content()) {
 408                         auto dcp = dynamic_pointer_cast<DCPContent>(i);
 409
 410                         for (auto j: i->text) {
 411                                 j->set_use (true);
 412                         }
 413
 414                         if (i->video) {
 415                                 auto const r = Ratio::nearest_from_ratio(i->video->size().ratio());
 416                                 if (r->id() == "239") {
 417                                         /* Any scope content means we use scope */
 418                                         _film->set_container(r);
 419                                 }
 420                         }
 421
 422                         /* Any 3D content means we use 3D mode */
 423                         if (i->video && i->video->frame_type() != VideoFrameType::TWO_D) {
 424                                 _film->set_three_d (true);
 425                         }
 426                 }
 427
 428                 _viewer->seek (DCPTime(), true);
 429                 _info->triggered_update ();
 430
 431                 set_menu_sensitivity ();
 432
 433                 auto old = _cpl_menu->GetMenuItems();
 434                 for (auto const& i: old) {
 435                         _cpl_menu->Remove (i);
 436                 }
 437
 438                 if (_film->content().size() == 1) {
 439                         /* Offer a CPL menu */
 440                         auto first = dynamic_pointer_cast<DCPContent>(_film->content().front());
 441                         if (first) {
 442                                 int id = ID_view_cpl;
 443                                 for (auto i: dcp::find_and_resolve_cpls(first->directories(), true)) {
 444                                         auto j = _cpl_menu->AppendRadioItem(
 445                                                 id,
 446                                                 wxString::Format("%s (%s)", std_to_wx(i->annotation_text().get_value_or("")).data(), std_to_wx(i->id()).data())
 447                                                 );
 448                                         j->Check(!first->cpl() || i->id() == *first->cpl());
 449                                         ++id;
 450                                 }
 451                         }
 452                 }
 453         }
 454
 455         void load_stress_script (boost::filesystem::path path)
 456         {
 457                 _stress.load_script (path);
 458         }
 459
 460 private:
 461
 462         void examine_content ()
 463         {
 464                 DCPOMATIC_ASSERT (_film);
 465                 auto dcp = dynamic_pointer_cast<DCPContent>(_film->content().front());
 466                 DCPOMATIC_ASSERT (dcp);
 467                 dcp->examine (_film, shared_ptr<Job>());
 468
 469                 /* Examining content re-creates the TextContent objects, so we must re-enable them */
 470                 for (auto i: dcp->text) {
 471                         i->set_use (true);
 472                 }
 473         }
 474
 475         bool report_errors_from_last_job (wxWindow* parent) const
 476         {
 477                 auto jm = JobManager::instance ();
 478
 479                 DCPOMATIC_ASSERT (!jm->get().empty());
 480
 481                 auto last = jm->get().back();
 482                 if (last->finished_in_error()) {
 483                         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()));
 484                         return false;
 485                 }
 486
 487                 return true;
 488         }
 489
 490         void setup_menu (wxMenuBar* m)
 491         {
 492                 _file_menu = new wxMenu;
 493                 _file_menu->Append (ID_file_open, _("&Open...\tCtrl-O"));
 494                 _file_add_ov = _file_menu->Append (ID_file_add_ov, _("&Add OV..."));
 495                 _file_add_kdm = _file_menu->Append (ID_file_add_kdm, _("Add &KDM..."));
 496                 _file_menu->AppendSeparator ();
 497                 _file_save_frame = _file_menu->Append (ID_file_save_frame, _("&Save frame to file...\tCtrl-S"));
 498
 499                 _history_position = _file_menu->GetMenuItems().GetCount();
 500
 501                 _file_menu->AppendSeparator ();
 502                 _file_menu->Append (ID_file_close, _("&Close"));
 503                 _file_menu->AppendSeparator ();
 504
 505 #ifdef __WXOSX__
 506                 _file_menu->Append (wxID_EXIT, _("&Exit"));
 507 #else
 508                 _file_menu->Append (wxID_EXIT, _("&Quit"));
 509 #endif
 510
 511 #ifdef __WXOSX__
 512                 auto prefs = _file_menu->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 513 #else
 514                 auto edit = new wxMenu;
 515                 auto prefs = edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 516 #endif
 517
 518                 prefs->Enable (Config::instance()->have_write_permission());
 519
 520                 _cpl_menu = new wxMenu;
 521
 522                 auto view = new wxMenu;
 523                 auto c = Config::instance()->decode_reduction();
 524                 _view_cpl = view->Append(ID_view_cpl, _("CPL"), _cpl_menu);
 525                 view->AppendSeparator();
 526                 _view_full_screen = view->AppendCheckItem(ID_view_full_screen, _("Full screen\tF11"));
 527                 _view_dual_screen = view->AppendCheckItem(ID_view_dual_screen, _("Dual screen\tShift+F11"));
 528                 setup_menu ();
 529                 view->AppendSeparator();
 530                 view->Append(ID_view_closed_captions, _("Closed captions..."));
 531                 view->AppendSeparator();
 532                 view->AppendRadioItem(ID_view_scale_appropriate, _("Set decode resolution to match display"))->Check(!static_cast<bool>(c));
 533                 view->AppendRadioItem(ID_view_scale_full, _("Decode at full resolution"))->Check(c && c.get() == 0);
 534                 view->AppendRadioItem(ID_view_scale_half, _("Decode at half resolution"))->Check(c && c.get() == 1);
 535                 view->AppendRadioItem(ID_view_scale_quarter, _("Decode at quarter resolution"))->Check(c && c.get() == 2);
 536
 537                 auto tools = new wxMenu;
 538                 _tools_verify = tools->Append (ID_tools_verify, _("Verify DCP..."));
 539                 tools->AppendSeparator ();
 540                 tools->Append (ID_tools_check_for_updates, _("Check for updates"));
 541                 tools->Append (ID_tools_timing, _("Timing..."));
 542                 tools->Append (ID_tools_system_information, _("System information..."));
 543
 544                 auto help = new wxMenu;
 545 #ifdef __WXOSX__
 546                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 547 #else
 548                 help->Append (wxID_ABOUT, _("About"));
 549 #endif
 550                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 551
 552                 m->Append (_file_menu, _("&File"));
 553 #ifndef __WXOSX__
 554                 m->Append (edit, _("&Edit"));
 555 #endif
 556                 m->Append (view, _("&View"));
 557                 m->Append (tools, _("&Tools"));
 558                 m->Append (help, _("&Help"));
 559         }
 560
 561         void file_open ()
 562         {
 563                 auto d = wxStandardPaths::Get().GetDocumentsDir();
 564                 if (Config::instance()->last_player_load_directory()) {
 565                         d = std_to_wx (Config::instance()->last_player_load_directory()->string());
 566                 }
 567
 568                 auto c = new wxDirDialog (this, _("Select DCP to open"), d, wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST);
 569
 570                 int r;
 571                 while (true) {
 572                         r = c->ShowModal ();
 573                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 574                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 575                         } else {
 576                                 break;
 577                         }
 578                 }
 579
 580                 if (r == wxID_OK) {
 581                         boost::filesystem::path const dcp (wx_to_std (c->GetPath ()));
 582                         load_dcp (dcp);
 583                         Config::instance()->set_last_player_load_directory (dcp.parent_path());
 584                 }
 585
 586                 c->Destroy ();
 587         }
 588
 589         void file_add_ov ()
 590         {
 591                 auto c = new wxDirDialog (
 592                         this,
 593                         _("Select DCP to open as OV"),
 594                         wxStandardPaths::Get().GetDocumentsDir(),
 595                         wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST
 596                         );
 597
 598                 int r;
 599                 while (true) {
 600                         r = c->ShowModal ();
 601                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 602                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 603                         } else {
 604                                 break;
 605                         }
 606                 }
 607
 608                 if (r == wxID_OK) {
 609                         DCPOMATIC_ASSERT (_film);
 610                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 611                         DCPOMATIC_ASSERT (dcp);
 612                         dcp->add_ov (wx_to_std(c->GetPath()));
 613                         JobManager::instance()->add(make_shared<ExamineContentJob>(_film, dcp));
 614                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 615                         if (!ok || !report_errors_from_last_job(this)) {
 616                                 return;
 617                         }
 618                         for (auto i: dcp->text) {
 619                                 i->set_use (true);
 620                         }
 621                         if (dcp->video) {
 622                                 auto const r = Ratio::nearest_from_ratio(dcp->video->size().ratio());
 623                                 if (r) {
 624                                         _film->set_container(r);
 625                                 }
 626                         }
 627                 }
 628
 629                 c->Destroy ();
 630                 _info->triggered_update ();
 631         }
 632
 633         void file_add_kdm ()
 634         {
 635                 auto d = new wxFileDialog (this, _("Select KDM"));
 636
 637                 if (d->ShowModal() == wxID_OK) {
 638                         DCPOMATIC_ASSERT (_film);
 639                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 640                         DCPOMATIC_ASSERT (dcp);
 641                         try {
 642                                 if (dcp) {
 643                                         _viewer->set_coalesce_player_changes (true);
 644                                         dcp->add_kdm (dcp::EncryptedKDM(dcp::file_to_string(wx_to_std(d->GetPath()), MAX_KDM_SIZE)));
 645                                         examine_content();
 646                                         _viewer->set_coalesce_player_changes (false);
 647                                 }
 648                         } catch (exception& e) {
 649                                 error_dialog (this, wxString::Format (_("Could not load KDM.")), std_to_wx(e.what()));
 650                                 d->Destroy ();
 651                                 return;
 652                         }
 653                 }
 654
 655                 d->Destroy ();
 656                 _info->triggered_update ();
 657         }
 658
 659         void file_save_frame ()
 660         {
 661                 wxFileDialog dialog (this, _("Save frame to file"), "", "", "PNG files (*.png)|*.png|JPEG files (*.jpg,*.jpeg)|*.jpg,*.jpeg", wxFD_SAVE | wxFD_OVERWRITE_PROMPT);
 662                 if (dialog.ShowModal() == wxID_CANCEL) {
 663                         return;
 664                 }
 665
 666                 auto path = boost::filesystem::path (wx_to_std(dialog.GetPath()));
 667
 668                 auto player = make_shared<Player>(_film, Image::Alignment::PADDED);
 669                 player->seek (_viewer->position(), true);
 670
 671                 bool done = false;
 672                 player->Video.connect ([path, &done, this](shared_ptr<PlayerVideo> video, DCPTime) {
 673                         auto ext = boost::algorithm::to_lower_copy(path.extension().string());
 674                         if (ext == ".png") {
 675                                 auto image = video->image(boost::bind(PlayerVideo::force, AV_PIX_FMT_RGBA), VideoRange::FULL, false);
 676                                 image_as_png(image).write(path);
 677                         } else if (ext == ".jpg" || ext == ".jpeg") {
 678                                 auto image = video->image(boost::bind(PlayerVideo::force, AV_PIX_FMT_RGB24), VideoRange::FULL, false);
 679                                 image_as_jpeg(image, 80).write(path);
 680                         } else {
 681                                 error_dialog (this, _(wxString::Format("Unrecognised file extension %s (use .jpg, .jpeg or .png)", std_to_wx(ext))));
 682                         }
 683                         done = true;
 684                 });
 685
 686                 int tries_left = 50;
 687                 while (!done && tries_left >= 0) {
 688                         player->pass();
 689                         --tries_left;
 690                 }
 691
 692                 DCPOMATIC_ASSERT (tries_left >= 0);
 693         }
 694
 695         void file_history (wxCommandEvent& event)
 696         {
 697                 auto history = Config::instance()->player_history ();
 698                 int n = event.GetId() - ID_file_history;
 699                 if (n >= 0 && n < static_cast<int> (history.size ())) {
 700                         try {
 701                                 load_dcp (history[n]);
 702                         } catch (exception& e) {
 703                                 error_dialog (0, std_to_wx(String::compose(wx_to_std(_("Could not load DCP %1.")), history[n])), std_to_wx(e.what()));
 704                         }
 705                 }
 706         }
 707
 708         void file_close ()
 709         {
 710                 reset_film ();
 711                 _info->triggered_update ();
 712                 set_menu_sensitivity ();
 713         }
 714
 715         void file_exit ()
 716         {
 717                 Close ();
 718         }
 719
 720         void edit_preferences ()
 721         {
 722                 if (!Config::instance()->have_write_permission()) {
 723                         return;
 724                 }
 725
 726                 if (!_config_dialog) {
 727                         _config_dialog = create_player_config_dialog ();
 728                 }
 729                 _config_dialog->Show (this);
 730         }
 731
 732         void view_cpl (wxCommandEvent& ev)
 733         {
 734                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 735                 DCPOMATIC_ASSERT (dcp);
 736                 auto cpls = dcp::find_and_resolve_cpls (dcp->directories(), true);
 737                 int id = ev.GetId() - ID_view_cpl;
 738                 DCPOMATIC_ASSERT (id >= 0);
 739                 DCPOMATIC_ASSERT (id < int(cpls.size()));
 740                 auto i = cpls.begin();
 741                 while (id > 0) {
 742                         ++i;
 743                         --id;
 744                 }
 745
 746                 _viewer->set_coalesce_player_changes (true);
 747                 dcp->set_cpl ((*i)->id());
 748                 examine_content ();
 749                 _viewer->set_coalesce_player_changes (false);
 750
 751                 _info->triggered_update ();
 752         }
 753
 754         void view_full_screen ()
 755         {
 756                 if (_mode == Config::PLAYER_MODE_FULL) {
 757                         _mode = Config::PLAYER_MODE_WINDOW;
 758                 } else {
 759                         _mode = Config::PLAYER_MODE_FULL;
 760                 }
 761                 setup_screen ();
 762                 setup_menu ();
 763         }
 764
 765         void view_dual_screen ()
 766         {
 767                 if (_mode == Config::PLAYER_MODE_DUAL) {
 768                         _mode = Config::PLAYER_MODE_WINDOW;
 769                 } else {
 770                         _mode = Config::PLAYER_MODE_DUAL;
 771                 }
 772                 setup_screen ();
 773                 setup_menu ();
 774         }
 775
 776         void setup_menu ()
 777         {
 778                 if (_view_full_screen) {
 779                         _view_full_screen->Check (_mode == Config::PLAYER_MODE_FULL);
 780                 }
 781                 if (_view_dual_screen) {
 782                         _view_dual_screen->Check (_mode == Config::PLAYER_MODE_DUAL);
 783                 }
 784         }
 785
 786         void setup_screen ()
 787         {
 788                 _controls->Show (_mode != Config::PLAYER_MODE_FULL);
 789                 _info->Show (_mode != Config::PLAYER_MODE_FULL);
 790                 _overall_panel->SetBackgroundColour (_mode == Config::PLAYER_MODE_FULL ? wxColour(0, 0, 0) : wxNullColour);
 791                 ShowFullScreen (_mode == Config::PLAYER_MODE_FULL);
 792                 _viewer->set_pad_black (_mode != Config::PLAYER_MODE_WINDOW);
 793
 794                 if (_mode == Config::PLAYER_MODE_DUAL) {
 795                         _dual_screen = new wxFrame (this, wxID_ANY, wxT(""));
 796                         _dual_screen->SetBackgroundColour (wxColour(0, 0, 0));
 797                         _dual_screen->ShowFullScreen (true);
 798                         _viewer->panel()->Reparent (_dual_screen);
 799                         _dual_screen->Show ();
 800                         if (wxDisplay::GetCount() > 1) {
 801                                 switch (Config::instance()->image_display()) {
 802                                 case 0:
 803                                         _dual_screen->Move (0, 0);
 804                                         Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
 805                                         break;
 806                                 case 1:
 807                                         _dual_screen->Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
 808                                         // (0, 0) doesn't seem to work for some strange reason
 809                                         Move (8, 8);
 810                                         break;
 811                                 }
 812                         }
 813                 } else {
 814                         if (_dual_screen) {
 815                                 _viewer->panel()->Reparent (_overall_panel);
 816                                 _dual_screen->Destroy ();
 817                                 _dual_screen = 0;
 818                         }
 819                 }
 820
 821                 setup_main_sizer (_mode);
 822         }
 823
 824         void view_closed_captions ()
 825         {
 826                 _viewer->show_closed_captions ();
 827         }
 828
 829         void tools_verify ()
 830         {
 831                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 832                 DCPOMATIC_ASSERT (dcp);
 833
 834                 auto job = make_shared<VerifyDCPJob>(dcp->directories());
 835                 auto progress = new VerifyDCPProgressDialog(this, _("DCP-o-matic Player"));
 836                 bool const completed = progress->run (job);
 837                 progress->Destroy ();
 838                 if (!completed) {
 839                         return;
 840                 }
 841
 842                 auto d = new VerifyDCPDialog (this, job);
 843                 d->ShowModal ();
 844                 d->Destroy ();
 845         }
 846
 847         void tools_check_for_updates ()
 848         {
 849                 UpdateChecker::instance()->run ();
 850                 _update_news_requested = true;
 851         }
 852
 853         void tools_timing ()
 854         {
 855                 auto d = new TimerDisplay (this, _viewer->state_timer(), _viewer->gets());
 856                 d->ShowModal ();
 857                 d->Destroy ();
 858         }
 859
 860         void tools_system_information ()
 861         {
 862                 if (!_system_information_dialog) {
 863                         _system_information_dialog = new SystemInformationDialog (this, _viewer);
 864                 }
 865
 866                 _system_information_dialog->Show ();
 867         }
 868
 869         void help_about ()
 870         {
 871                 auto d = new AboutDialog (this);
 872                 d->ShowModal ();
 873                 d->Destroy ();
 874         }
 875
 876         void help_report_a_problem ()
 877         {
 878                 auto d = new ReportProblemDialog (this);
 879                 if (d->ShowModal () == wxID_OK) {
 880                         d->report ();
 881                 }
 882                 d->Destroy ();
 883         }
 884
 885         void update_checker_state_changed ()
 886         {
 887                 auto uc = UpdateChecker::instance ();
 888
 889                 bool const announce =
 890                         _update_news_requested ||
 891                         (uc->stable() && Config::instance()->check_for_updates()) ||
 892                         (uc->test() && Config::instance()->check_for_updates() && Config::instance()->check_for_test_updates());
 893
 894                 _update_news_requested = false;
 895
 896                 if (!announce) {
 897                         return;
 898                 }
 899
 900                 if (uc->state() == UpdateChecker::State::YES) {
 901                         auto dialog = new UpdateDialog (this, uc->stable (), uc->test ());
 902                         dialog->ShowModal ();
 903                         dialog->Destroy ();
 904                 } else if (uc->state() == UpdateChecker::State::FAILED) {
 905                         error_dialog (this, _("The DCP-o-matic download server could not be contacted."));
 906                 } else {
 907                         error_dialog (this, _("There are no new versions of DCP-o-matic available."));
 908                 }
 909
 910                 _update_news_requested = false;
 911         }
 912
 913         void config_changed (Config::Property prop)
 914         {
 915                 /* Instantly save any config changes when using the player GUI */
 916                 try {
 917                         Config::instance()->write_config();
 918                 } catch (FileError& e) {
 919                         if (prop != Config::HISTORY) {
 920                                 error_dialog (
 921                                         this,
 922                                         wxString::Format(
 923                                                 _("Could not write to config file at %s.  Your changes have not been saved."),
 924                                                 std_to_wx(e.file().string())
 925                                                 )
 926                                         );
 927                         }
 928                 } catch (exception& e) {
 929                         error_dialog (
 930                                 this,
 931                                 _("Could not write to config file.  Your changes have not been saved.")
 932                                 );
 933                 }
 934
 935                 update_from_config (prop);
 936         }
 937
 938         void update_from_config (Config::Property prop)
 939         {
 940                 for (int i = 0; i < _history_items; ++i) {
 941                         delete _file_menu->Remove (ID_file_history + i);
 942                 }
 943
 944                 if (_history_separator) {
 945                         _file_menu->Remove (_history_separator);
 946                 }
 947                 delete _history_separator;
 948                 _history_separator = nullptr;
 949
 950                 int pos = _history_position;
 951
 952                 /* Clear out non-existant history items before we re-build the menu */
 953                 Config::instance()->clean_player_history ();
 954                 auto history = Config::instance()->player_history ();
 955
 956                 if (!history.empty ()) {
 957                         _history_separator = _file_menu->InsertSeparator (pos++);
 958                 }
 959
 960                 for (size_t i = 0; i < history.size(); ++i) {
 961                         string s;
 962                         if (i < 9) {
 963                                 s = String::compose ("&%1 %2", i + 1, history[i].string());
 964                         } else {
 965                                 s = history[i].string();
 966                         }
 967                         _file_menu->Insert (pos++, ID_file_history + i, std_to_wx (s));
 968                 }
 969
 970                 _history_items = history.size ();
 971
 972                 if (prop == Config::PLAYER_DEBUG_LOG) {
 973                         auto p = Config::instance()->player_debug_log_file();
 974                         if (p) {
 975                                 dcpomatic_log = make_shared<FileLog>(*p);
 976                         } else {
 977                                 dcpomatic_log = make_shared<NullLog>();
 978                         }
 979                         dcpomatic_log->set_types (LogEntry::TYPE_GENERAL | LogEntry::TYPE_WARNING | LogEntry::TYPE_ERROR | LogEntry::TYPE_DEBUG_VIDEO_VIEW);
 980                 }
 981         }
 982
 983         void set_menu_sensitivity ()
 984         {
 985                 _tools_verify->Enable (static_cast<bool>(_film));
 986                 _file_add_ov->Enable (static_cast<bool>(_film));
 987                 _file_add_kdm->Enable (static_cast<bool>(_film));
 988                 _file_save_frame->Enable (static_cast<bool>(_film));
 989                 _view_cpl->Enable (static_cast<bool>(_film));
 990         }
 991
 992         void start_stop_pressed ()
 993         {
 994                 if (_viewer->playing()) {
 995                         _viewer->stop();
 996                 } else {
 997                         _viewer->start();
 998                 }
 999         }
1000
1001         void go_back_frame ()
1002         {
1003                 _viewer->seek_by (-_viewer->one_video_frame(), true);
1004         }
1005
1006         void go_forward_frame ()
1007         {
1008                 _viewer->seek_by (_viewer->one_video_frame(), true);
1009         }
1010
1011         void go_seconds (int s)
1012         {
1013                 _viewer->seek_by (DCPTime::from_seconds(s), true);
1014         }
1015
1016         void go_to_start ()
1017         {
1018                 _viewer->seek (DCPTime(), true);
1019         }
1020
1021         void go_to_end ()
1022         {
1023                 _viewer->seek (_film->length() - _viewer->one_video_frame(), true);
1024         }
1025
1026         wxFrame* _dual_screen = nullptr;
1027         bool _update_news_requested = false;
1028         PlayerInformation* _info = nullptr;
1029         Config::PlayerMode _mode;
1030         wxPreferencesEditor* _config_dialog = nullptr;
1031         wxPanel* _overall_panel = nullptr;
1032         wxMenu* _file_menu = nullptr;
1033         wxMenuItem* _view_cpl = nullptr;
1034         wxMenu* _cpl_menu = nullptr;
1035         int _history_items = 0;
1036         int _history_position = 0;
1037         wxMenuItem* _history_separator = nullptr;
1038         shared_ptr<FilmViewer> _viewer;
1039         Controls* _controls;
1040         SystemInformationDialog* _system_information_dialog = nullptr;
1041         std::shared_ptr<Film> _film;
1042         boost::signals2::scoped_connection _config_changed_connection;
1043         boost::signals2::scoped_connection _examine_job_connection;
1044         wxMenuItem* _file_add_ov = nullptr;
1045         wxMenuItem* _file_add_kdm = nullptr;
1046         wxMenuItem* _file_save_frame = nullptr;
1047         wxMenuItem* _tools_verify = nullptr;
1048         wxMenuItem* _view_full_screen = nullptr;
1049         wxMenuItem* _view_dual_screen = nullptr;
1050         wxSizer* _main_sizer = nullptr;
1051         PlayerStressTester _stress;
1052 };
1053
1054 static const wxCmdLineEntryDesc command_line_description[] = {
1055         { wxCMD_LINE_PARAM, 0, 0, "DCP to load or create", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1056         { wxCMD_LINE_OPTION, "c", "config", "Directory containing config.xml", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1057         { wxCMD_LINE_OPTION, "s", "stress", "File containing description of stress test", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1058         { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
1059 };
1060
1061 class PlayServer : public Server
1062 {
1063 public:
1064         explicit PlayServer (DOMFrame* frame)
1065                 : Server (PLAYER_PLAY_PORT)
1066                 , _frame (frame)
1067         {}
1068
1069         void handle (shared_ptr<Socket> socket)
1070         {
1071                 try {
1072                         int const length = socket->read_uint32 ();
1073                         scoped_array<char> buffer (new char[length]);
1074                         socket->read (reinterpret_cast<uint8_t*> (buffer.get()), length);
1075                         string s (buffer.get());
1076                         signal_manager->when_idle (bind (&DOMFrame::load_dcp, _frame, s));
1077                         socket->write (reinterpret_cast<uint8_t const *> ("OK"), 3);
1078                 } catch (...) {
1079
1080                 }
1081         }
1082
1083 private:
1084         DOMFrame* _frame;
1085 };
1086
1087 /** @class App
1088  *  @brief The magic App class for wxWidgets.
1089  */
1090 class App : public wxApp
1091 {
1092 public:
1093         App ()
1094                 : wxApp ()
1095         {
1096 #ifdef DCPOMATIC_LINUX
1097                 XInitThreads ();
1098 #endif
1099         }
1100
1101 private:
1102
1103         bool OnInit ()
1104         {
1105                 wxSplashScreen* splash = nullptr;
1106                 try {
1107                         wxInitAllImageHandlers ();
1108
1109                         Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
1110                         Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
1111
1112                         splash = maybe_show_splash ();
1113
1114                         SetAppName (_("DCP-o-matic Player"));
1115
1116                         if (!wxApp::OnInit()) {
1117                                 return false;
1118                         }
1119
1120 #ifdef DCPOMATIC_LINUX
1121                         unsetenv ("UBUNTU_MENUPROXY");
1122 #endif
1123
1124 #ifdef DCPOMATIC_OSX
1125                         make_foreground_application ();
1126 #endif
1127
1128                         dcpomatic_setup_path_encoding ();
1129
1130                         /* Enable i18n; this will create a Config object
1131                            to look for a force-configured language.  This Config
1132                            object will be wrong, however, because dcpomatic_setup
1133                            hasn't yet been called and there aren't any filters etc.
1134                            set up yet.
1135                         */
1136                         dcpomatic_setup_i18n ();
1137
1138                         /* Set things up, including filters etc.
1139                            which will now be internationalised correctly.
1140                         */
1141                         dcpomatic_setup ();
1142
1143                         /* Force the configuration to be re-loaded correctly next
1144                            time it is needed.
1145                         */
1146                         Config::drop ();
1147
1148                         signal_manager = new wxSignalManager (this);
1149
1150                         _frame = new DOMFrame ();
1151                         SetTopWindow (_frame);
1152                         _frame->Maximize ();
1153                         if (splash) {
1154                                 splash->Destroy ();
1155                                 splash = nullptr;
1156                         }
1157                         _frame->Show ();
1158
1159                         try {
1160                                 auto server = new PlayServer (_frame);
1161                                 new thread (boost::bind (&PlayServer::run, server));
1162                         } catch (std::exception& e) {
1163                                 /* This is not the end of the world; probably a failure to bind the server socket
1164                                  * because there's already another player running.
1165                                  */
1166                                 LOG_DEBUG_PLAYER ("Failed to start play server (%1)", e.what());
1167                         }
1168
1169                         if (!_dcp_to_load.empty() && boost::filesystem::is_directory (_dcp_to_load)) {
1170                                 try {
1171                                         _frame->load_dcp (_dcp_to_load);
1172                                 } catch (exception& e) {
1173                                         error_dialog (0, std_to_wx (String::compose (wx_to_std (_("Could not load DCP %1.")), _dcp_to_load)), std_to_wx(e.what()));
1174                                 }
1175                         }
1176
1177                         if (_stress) {
1178                                 try {
1179                                         _frame->load_stress_script (*_stress);
1180                                 } catch (exception& e) {
1181                                         error_dialog (0, wxString::Format("Could not load stress test file %s", std_to_wx(*_stress)));
1182                                 }
1183                         }
1184
1185                         Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
1186
1187                         if (Config::instance()->check_for_updates ()) {
1188                                 UpdateChecker::instance()->run ();
1189                         }
1190                 }
1191                 catch (exception& e)
1192                 {
1193                         if (splash) {
1194                                 splash->Destroy ();
1195                         }
1196                         error_dialog (0, _("DCP-o-matic Player could not start."), std_to_wx(e.what()));
1197                 }
1198
1199                 return true;
1200         }
1201
1202         void OnInitCmdLine (wxCmdLineParser& parser)
1203         {
1204                 parser.SetDesc (command_line_description);
1205                 parser.SetSwitchChars (wxT ("-"));
1206         }
1207
1208         bool OnCmdLineParsed (wxCmdLineParser& parser)
1209         {
1210                 if (parser.GetParamCount() > 0) {
1211                         _dcp_to_load = wx_to_std (parser.GetParam (0));
1212                 }
1213
1214                 wxString config;
1215                 if (parser.Found("c", &config)) {
1216                         Config::override_path = wx_to_std (config);
1217                 }
1218                 wxString stress;
1219                 if (parser.Found("s", &stress)) {
1220                         _stress = wx_to_std (stress);
1221                 }
1222
1223                 return true;
1224         }
1225
1226         void report_exception ()
1227         {
1228                 try {
1229                         throw;
1230                 } catch (FileError& e) {
1231                         error_dialog (
1232                                 0,
1233                                 wxString::Format (
1234                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
1235                                         std_to_wx (e.what()),
1236                                         std_to_wx (e.file().string().c_str ())
1237                                         )
1238                                 );
1239                 } catch (exception& e) {
1240                         error_dialog (
1241                                 0,
1242                                 wxString::Format (
1243                                         _("An exception occurred: %s.\n\n") + REPORT_PROBLEM,
1244                                         std_to_wx (e.what ())
1245                                         )
1246                                 );
1247                 } catch (...) {
1248                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
1249                 }
1250         }
1251
1252         /* An unhandled exception has occurred inside the main event loop */
1253         bool OnExceptionInMainLoop ()
1254         {
1255                 report_exception ();
1256                 /* This will terminate the program */
1257                 return false;
1258         }
1259
1260         void OnUnhandledException ()
1261         {
1262                 report_exception ();
1263         }
1264
1265         void idle ()
1266         {
1267                 signal_manager->ui_idle ();
1268         }
1269
1270         void config_failed_to_load ()
1271         {
1272                 message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
1273         }
1274
1275         void config_warning (string m)
1276         {
1277                 message_dialog (_frame, std_to_wx (m));
1278         }
1279
1280         DOMFrame* _frame = nullptr;
1281         string _dcp_to_load;
1282         boost::optional<string> _stress;
1283 };
1284
1285 IMPLEMENT_APP (App)