src/tools/dcpomatic_player.cc

   1 /*
   2     Copyright (C) 2017-2021 Carl Hetherington <cth@carlh.net>
   3
   4     This file is part of DCP-o-matic.
   5
   6     DCP-o-matic is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     DCP-o-matic is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 */
  20
  21 #include "wx/wx_signal_manager.h"
  22 #include "wx/wx_util.h"
  23 #include "wx/about_dialog.h"
  24 #include "wx/report_problem_dialog.h"
  25 #include "wx/film_viewer.h"
  26 #include "wx/player_information.h"
  27 #include "wx/update_dialog.h"
  28 #include "wx/player_config_dialog.h"
  29 #include "wx/verify_dcp_dialog.h"
  30 #include "wx/standard_controls.h"
  31 #include "wx/playlist_controls.h"
  32 #include "wx/timer_display.h"
  33 #include "wx/system_information_dialog.h"
  34 #include "wx/player_stress_tester.h"
  35 #include "wx/verify_dcp_progress_dialog.h"
  36 #include "lib/cross.h"
  37 #include "lib/config.h"
  38 #include "lib/util.h"
  39 #include "lib/internet.h"
  40 #include "lib/update_checker.h"
  41 #include "lib/compose.hpp"
  42 #include "lib/dcp_content.h"
  43 #include "lib/job_manager.h"
  44 #include "lib/job.h"
  45 #include "lib/film.h"
  46 #include "lib/null_log.h"
  47 #include "lib/video_content.h"
  48 #include "lib/text_content.h"
  49 #include "lib/ratio.h"
  50 #include "lib/verify_dcp_job.h"
  51 #include "lib/dcp_examiner.h"
  52 #include "lib/examine_content_job.h"
  53 #include "lib/server.h"
  54 #include "lib/dcpomatic_socket.h"
  55 #include "lib/scoped_temporary.h"
  56 #include "lib/ffmpeg_content.h"
  57 #include "lib/dcpomatic_log.h"
  58 #include "lib/file_log.h"
  59 #include <dcp/cpl.h>
  60 #include <dcp/dcp.h>
  61 #include <dcp/raw_convert.h>
  62 #include <dcp/exceptions.h>
  63 #include <wx/wx.h>
  64 #include <wx/stdpaths.h>
  65 #include <wx/splash.h>
  66 #include <wx/cmdline.h>
  67 #include <wx/preferences.h>
  68 #include <wx/progdlg.h>
  69 #include <wx/display.h>
  70 #ifdef __WXGTK__
  71 #include <X11/Xlib.h>
  72 #endif
  73 #include <boost/bind/bind.hpp>
  74 #include <boost/algorithm/string.hpp>
  75 #include <iostream>
  76
  77 #ifdef check
  78 #undef check
  79 #endif
  80
  81 #define MAX_CPLS 32
  82
  83 using std::cout;
  84 using std::dynamic_pointer_cast;
  85 using std::exception;
  86 using std::list;
  87 using std::make_shared;
  88 using std::shared_ptr;
  89 using std::string;
  90 using std::vector;
  91 using std::weak_ptr;
  92 using boost::scoped_array;
  93 using boost::optional;
  94 using boost::thread;
  95 using boost::bind;
  96 #if BOOST_VERSION >= 106100
  97 using namespace boost::placeholders;
  98 #endif
  99 using dcp::raw_convert;
 100 using namespace dcpomatic;
 101
 102 enum {
 103         ID_file_open = 1,
 104         ID_file_add_ov,
 105         ID_file_add_kdm,
 106         ID_file_history,
 107         /* Allow spare IDs after _history for the recent files list */
 108         ID_file_close = 100,
 109         ID_view_cpl,
 110         /* Allow spare IDs for CPLs */
 111         ID_view_full_screen = 200,
 112         ID_view_dual_screen,
 113         ID_view_closed_captions,
 114         ID_view_scale_appropriate,
 115         ID_view_scale_full,
 116         ID_view_scale_half,
 117         ID_view_scale_quarter,
 118         ID_help_report_a_problem,
 119         ID_tools_verify,
 120         ID_tools_check_for_updates,
 121         ID_tools_timing,
 122         ID_tools_system_information,
 123         /* IDs for shortcuts (with no associated menu item) */
 124         ID_start_stop,
 125         ID_go_back_frame,
 126         ID_go_forward_frame,
 127         ID_go_back_small_amount,
 128         ID_go_forward_small_amount,
 129         ID_go_back_medium_amount,
 130         ID_go_forward_medium_amount,
 131         ID_go_back_large_amount,
 132         ID_go_forward_large_amount,
 133         ID_go_to_start,
 134         ID_go_to_end
 135 };
 136
 137 class DOMFrame : public wxFrame
 138 {
 139 public:
 140         DOMFrame ()
 141                 : wxFrame (0, -1, _("DCP-o-matic Player"))
 142                 , _dual_screen (0)
 143                 , _update_news_requested (false)
 144                 , _info (0)
 145                 , _mode (Config::instance()->player_mode())
 146                 , _config_dialog (0)
 147                 , _file_menu (0)
 148                 , _history_items (0)
 149                 , _history_position (0)
 150                 , _history_separator (0)
 151                 , _system_information_dialog (0)
 152                 , _view_full_screen (0)
 153                 , _view_dual_screen (0)
 154                 , _main_sizer (new wxBoxSizer (wxVERTICAL))
 155         {
 156                 dcpomatic_log = make_shared<NullLog>();
 157
 158 #if defined(DCPOMATIC_WINDOWS)
 159                 maybe_open_console ();
 160                 cout << "DCP-o-matic Player is starting." << "\n";
 161 #endif
 162
 163                 auto bar = new wxMenuBar;
 164                 setup_menu (bar);
 165                 set_menu_sensitivity ();
 166                 SetMenuBar (bar);
 167
 168 #ifdef DCPOMATIC_WINDOWS
 169                 SetIcon (wxIcon (std_to_wx ("id")));
 170 #endif
 171
 172                 _config_changed_connection = Config::instance()->Changed.connect (boost::bind (&DOMFrame::config_changed, this, _1));
 173                 update_from_config (Config::PLAYER_DEBUG_LOG);
 174
 175                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_open, this), ID_file_open);
 176                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_ov, this), ID_file_add_ov);
 177                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_kdm, this), ID_file_add_kdm);
 178                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_history, this, _1), ID_file_history, ID_file_history + HISTORY_SIZE);
 179                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_close, this), ID_file_close);
 180                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this), wxID_EXIT);
 181                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this), wxID_PREFERENCES);
 182                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_full_screen, this), ID_view_full_screen);
 183                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_dual_screen, this), ID_view_dual_screen);
 184                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_closed_captions, this), ID_view_closed_captions);
 185                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_cpl, this, _1), ID_view_cpl, ID_view_cpl + MAX_CPLS);
 186                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(0)), ID_view_scale_full);
 187                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(1)), ID_view_scale_half);
 188                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(2)), ID_view_scale_quarter);
 189                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this), wxID_ABOUT);
 190                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this), ID_help_report_a_problem);
 191                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_verify, this), ID_tools_verify);
 192                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_check_for_updates, this), ID_tools_check_for_updates);
 193                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_timing, this), ID_tools_timing);
 194                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_system_information, this), ID_tools_system_information);
 195
 196                 /* Use a panel as the only child of the Frame so that we avoid
 197                    the dark-grey background on Windows.
 198                 */
 199                 _overall_panel = new wxPanel (this, wxID_ANY);
 200
 201                 _viewer.reset (new FilmViewer (_overall_panel));
 202                 if (Config::instance()->player_mode() == Config::PLAYER_MODE_DUAL) {
 203                         auto pc = new PlaylistControls (_overall_panel, _viewer);
 204                         _controls = pc;
 205                         pc->ResetFilm.connect (bind(&DOMFrame::reset_film_weak, this, _1));
 206                 } else {
 207                         _controls = new StandardControls (_overall_panel, _viewer, false);
 208                 }
 209                 _viewer->set_dcp_decode_reduction (Config::instance()->decode_reduction ());
 210                 _viewer->PlaybackPermitted.connect (bind(&DOMFrame::playback_permitted, this));
 211                 _viewer->Started.connect (bind(&DOMFrame::playback_started, this, _1));
 212                 _viewer->Stopped.connect (bind(&DOMFrame::playback_stopped, this, _1));
 213                 _info = new PlayerInformation (_overall_panel, _viewer);
 214                 setup_main_sizer (Config::instance()->player_mode());
 215 #ifdef __WXOSX__
 216                 int accelerators = 12;
 217 #else
 218                 int accelerators = 11;
 219 #endif
 220
 221                 _stress.setup (this, _controls);
 222
 223                 wxAcceleratorEntry* accel = new wxAcceleratorEntry[accelerators];
 224                 accel[0].Set(wxACCEL_NORMAL,                WXK_SPACE, ID_start_stop);
 225                 accel[1].Set(wxACCEL_NORMAL,                WXK_LEFT,  ID_go_back_frame);
 226                 accel[2].Set(wxACCEL_NORMAL,                WXK_RIGHT, ID_go_forward_frame);
 227                 accel[3].Set(wxACCEL_SHIFT,                 WXK_LEFT,  ID_go_back_small_amount);
 228                 accel[4].Set(wxACCEL_SHIFT,                 WXK_RIGHT, ID_go_forward_small_amount);
 229                 accel[5].Set(wxACCEL_CTRL,                  WXK_LEFT,  ID_go_back_medium_amount);
 230                 accel[6].Set(wxACCEL_CTRL,                  WXK_RIGHT, ID_go_forward_medium_amount);
 231                 accel[7].Set(wxACCEL_SHIFT | wxACCEL_CTRL,  WXK_LEFT,  ID_go_back_large_amount);
 232                 accel[8].Set(wxACCEL_SHIFT | wxACCEL_CTRL,  WXK_RIGHT, ID_go_forward_large_amount);
 233                 accel[9].Set(wxACCEL_NORMAL,                WXK_HOME,  ID_go_to_start);
 234                 accel[10].Set(wxACCEL_NORMAL,               WXK_END,   ID_go_to_end);
 235 #ifdef __WXOSX__
 236                 accel[11].Set(wxACCEL_CTRL, static_cast<int>('W'), ID_file_close);
 237 #endif
 238                 wxAcceleratorTable accel_table (accelerators, accel);
 239                 SetAcceleratorTable (accel_table);
 240                 delete[] accel;
 241
 242                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::start_stop_pressed, this), ID_start_stop);
 243                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_back_frame, this),      ID_go_back_frame);
 244                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_forward_frame, this),   ID_go_forward_frame);
 245                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   -60), ID_go_back_small_amount);
 246                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,    60), ID_go_forward_small_amount);
 247                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  -600), ID_go_back_medium_amount);
 248                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   600), ID_go_forward_medium_amount);
 249                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this, -3600), ID_go_back_large_amount);
 250                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  3600), ID_go_forward_large_amount);
 251                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_start, this), ID_go_to_start);
 252                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_end,   this), ID_go_to_end);
 253
 254                 reset_film ();
 255
 256                 UpdateChecker::instance()->StateChanged.connect (boost::bind (&DOMFrame::update_checker_state_changed, this));
 257                 setup_screen ();
 258
 259                 _stress.LoadDCP.connect (boost::bind(&DOMFrame::load_dcp, this, _1));
 260         }
 261
 262         void setup_main_sizer (Config::PlayerMode mode)
 263         {
 264                 _main_sizer->Detach (_viewer->panel());
 265                 _main_sizer->Detach (_controls);
 266                 _main_sizer->Detach (_info);
 267                 if (mode != Config::PLAYER_MODE_DUAL) {
 268                         _main_sizer->Add (_viewer->panel(), 1, wxEXPAND);
 269                 }
 270                 _main_sizer->Add (_controls, mode == Config::PLAYER_MODE_DUAL ? 1 : 0, wxEXPAND | wxALL, 6);
 271                 _main_sizer->Add (_info, 0, wxEXPAND | wxALL, 6);
 272                 _overall_panel->SetSizer (_main_sizer);
 273                 _overall_panel->Layout ();
 274         }
 275
 276         bool playback_permitted ()
 277         {
 278                 if (!_film || !Config::instance()->respect_kdm_validity_periods()) {
 279                         return true;
 280                 }
 281
 282                 bool ok = true;
 283                 for (auto i: _film->content()) {
 284                         auto d = dynamic_pointer_cast<DCPContent>(i);
 285                         if (d && !d->kdm_timing_window_valid()) {
 286                                 ok = false;
 287                         }
 288                 }
 289
 290                 if (!ok) {
 291                         error_dialog (this, _("The KDM does not allow playback of this content at this time."));
 292                 }
 293
 294                 return ok;
 295         }
 296
 297         void playback_started (DCPTime time)
 298         {
 299                 /* XXX: this only logs the first piece of content; probably should be each piece? */
 300                 if (_film->content().empty()) {
 301                         return;
 302                 }
 303
 304                 auto dcp = dynamic_pointer_cast<DCPContent>(_film->content().front());
 305                 if (dcp) {
 306                         DCPExaminer ex (dcp, true);
 307                         shared_ptr<dcp::CPL> playing_cpl;
 308                         for (auto i: ex.cpls()) {
 309                                 if (!dcp->cpl() || i->id() == *dcp->cpl()) {
 310                                         playing_cpl = i;
 311                                 }
 312                         }
 313                         DCPOMATIC_ASSERT (playing_cpl);
 314
 315                         _controls->log (
 316                                 wxString::Format(
 317                                         "playback-started %s %s %s",
 318                                         time.timecode(_film->video_frame_rate()).c_str(),
 319                                         dcp->directories().front().string().c_str(),
 320                                         playing_cpl->annotation_text().get_value_or("").c_str()
 321                                         )
 322                                 );
 323                 }
 324
 325                 auto ffmpeg = dynamic_pointer_cast<FFmpegContent>(_film->content().front());
 326                 if (ffmpeg) {
 327                         _controls->log (
 328                                 wxString::Format(
 329                                         "playback-started %s %s",
 330                                         time.timecode(_film->video_frame_rate()).c_str(),
 331                                         ffmpeg->path(0).string().c_str()
 332                                         )
 333                                 );
 334                 }
 335         }
 336
 337         void playback_stopped (DCPTime time)
 338         {
 339                 _controls->log (wxString::Format("playback-stopped %s", time.timecode(_film->video_frame_rate()).c_str()));
 340         }
 341
 342         void set_decode_reduction (optional<int> reduction)
 343         {
 344                 _viewer->set_dcp_decode_reduction (reduction);
 345                 _info->triggered_update ();
 346                 Config::instance()->set_decode_reduction (reduction);
 347         }
 348
 349         void load_dcp (boost::filesystem::path dir)
 350         {
 351                 DCPOMATIC_ASSERT (_film);
 352
 353                 reset_film ();
 354                 try {
 355                         _stress.set_suspended (true);
 356                         // here
 357                         auto dcp = make_shared<DCPContent>(dir);
 358                         auto job = make_shared<ExamineContentJob>(_film, dcp);
 359                         _examine_job_connection = job->Finished.connect(bind(&DOMFrame::add_dcp_to_film, this, weak_ptr<Job>(job), weak_ptr<Content>(dcp)));
 360                         JobManager::instance()->add (job);
 361                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 362                         if (!ok || !report_errors_from_last_job(this)) {
 363                                 return;
 364                         }
 365                         Config::instance()->add_to_player_history (dir);
 366                 } catch (ProjectFolderError &) {
 367                         error_dialog (
 368                                 this,
 369                                 wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())),
 370                                 _(
 371                                         "This looks like a DCP-o-matic project folder, which cannot be loaded into the player.  "
 372                                         "Choose the DCP directory inside the DCP-o-matic project folder if that's what you want to play."
 373                                  )
 374                                 );
 375                 } catch (dcp::ReadError& e) {
 376                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 377                 } catch (DCPError& e) {
 378                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 379                 }
 380         }
 381
 382         void add_dcp_to_film (weak_ptr<Job> weak_job, weak_ptr<Content> weak_content)
 383         {
 384                 auto job = weak_job.lock ();
 385                 if (!job || !job->finished_ok()) {
 386                         return;
 387                 }
 388
 389                 auto content = weak_content.lock ();
 390                 if (!content) {
 391                         return;
 392                 }
 393
 394                 _film->add_content (content);
 395                 _stress.set_suspended (false);
 396         }
 397
 398         void reset_film_weak (weak_ptr<Film> weak_film)
 399         {
 400                 auto film = weak_film.lock ();
 401                 if (film) {
 402                         reset_film (film);
 403                 }
 404         }
 405
 406         void reset_film (shared_ptr<Film> film = shared_ptr<Film>(new Film(optional<boost::filesystem::path>())))
 407         {
 408                 _film = film;
 409                 _film->set_tolerant (true);
 410                 _film->set_audio_channels (MAX_DCP_AUDIO_CHANNELS);
 411                 _viewer->set_film (_film);
 412                 _controls->set_film (_film);
 413                 _film->Change.connect (bind(&DOMFrame::film_changed, this, _1, _2));
 414                 _info->triggered_update ();
 415         }
 416
 417         void film_changed (ChangeType type, Film::Property property)
 418         {
 419                 if (type != ChangeType::DONE || property != Film::Property::CONTENT) {
 420                         return;
 421                 }
 422
 423                 if (_viewer->playing ()) {
 424                         _viewer->stop ();
 425                 }
 426
 427                 /* Start off as Flat */
 428                 _film->set_container (Ratio::from_id("185"));
 429
 430                 for (auto i: _film->content()) {
 431                         auto dcp = dynamic_pointer_cast<DCPContent>(i);
 432
 433                         for (auto j: i->text) {
 434                                 j->set_use (true);
 435                         }
 436
 437                         if (i->video) {
 438                                 auto const r = Ratio::nearest_from_ratio(i->video->size().ratio());
 439                                 if (r->id() == "239") {
 440                                         /* Any scope content means we use scope */
 441                                         _film->set_container(r);
 442                                 }
 443                         }
 444
 445                         /* Any 3D content means we use 3D mode */
 446                         if (i->video && i->video->frame_type() != VideoFrameType::TWO_D) {
 447                                 _film->set_three_d (true);
 448                         }
 449                 }
 450
 451                 _viewer->seek (DCPTime(), true);
 452                 _info->triggered_update ();
 453
 454                 set_menu_sensitivity ();
 455
 456                 auto old = _cpl_menu->GetMenuItems();
 457                 for (auto const& i: old) {
 458                         _cpl_menu->Remove (i);
 459                 }
 460
 461                 if (_film->content().size() == 1) {
 462                         /* Offer a CPL menu */
 463                         auto first = dynamic_pointer_cast<DCPContent>(_film->content().front());
 464                         if (first) {
 465                                 DCPExaminer ex (first, true);
 466                                 int id = ID_view_cpl;
 467                                 for (auto i: ex.cpls()) {
 468                                         auto j = _cpl_menu->AppendRadioItem(
 469                                                 id,
 470                                                 wxString::Format("%s (%s)", std_to_wx(i->annotation_text().get_value_or("")).data(), std_to_wx(i->id()).data())
 471                                                 );
 472                                         j->Check(!first->cpl() || i->id() == *first->cpl());
 473                                         ++id;
 474                                 }
 475                         }
 476                 }
 477         }
 478
 479         void load_stress_script (boost::filesystem::path path)
 480         {
 481                 _stress.load_script (path);
 482         }
 483
 484 private:
 485
 486         void examine_content ()
 487         {
 488                 DCPOMATIC_ASSERT (_film);
 489                 auto dcp = dynamic_pointer_cast<DCPContent>(_film->content().front());
 490                 DCPOMATIC_ASSERT (dcp);
 491                 dcp->examine (_film, shared_ptr<Job>());
 492
 493                 /* Examining content re-creates the TextContent objects, so we must re-enable them */
 494                 for (auto i: dcp->text) {
 495                         i->set_use (true);
 496                 }
 497         }
 498
 499         bool report_errors_from_last_job (wxWindow* parent) const
 500         {
 501                 auto jm = JobManager::instance ();
 502
 503                 DCPOMATIC_ASSERT (!jm->get().empty());
 504
 505                 auto last = jm->get().back();
 506                 if (last->finished_in_error()) {
 507                         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()));
 508                         return false;
 509                 }
 510
 511                 return true;
 512         }
 513
 514         void setup_menu (wxMenuBar* m)
 515         {
 516                 _file_menu = new wxMenu;
 517                 _file_menu->Append (ID_file_open, _("&Open...\tCtrl-O"));
 518                 _file_add_ov = _file_menu->Append (ID_file_add_ov, _("&Add OV..."));
 519                 _file_add_kdm = _file_menu->Append (ID_file_add_kdm, _("Add &KDM..."));
 520
 521                 _history_position = _file_menu->GetMenuItems().GetCount();
 522
 523                 _file_menu->AppendSeparator ();
 524                 _file_menu->Append (ID_file_close, _("&Close"));
 525                 _file_menu->AppendSeparator ();
 526
 527 #ifdef __WXOSX__
 528                 _file_menu->Append (wxID_EXIT, _("&Exit"));
 529 #else
 530                 _file_menu->Append (wxID_EXIT, _("&Quit"));
 531 #endif
 532
 533 #ifdef __WXOSX__
 534                 auto prefs = _file_menu->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 535 #else
 536                 auto edit = new wxMenu;
 537                 auto prefs = edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 538 #endif
 539
 540                 prefs->Enable (Config::instance()->have_write_permission());
 541
 542                 _cpl_menu = new wxMenu;
 543
 544                 auto view = new wxMenu;
 545                 auto c = Config::instance()->decode_reduction();
 546                 _view_cpl = view->Append(ID_view_cpl, _("CPL"), _cpl_menu);
 547                 view->AppendSeparator();
 548                 _view_full_screen = view->AppendCheckItem(ID_view_full_screen, _("Full screen\tF11"));
 549                 _view_dual_screen = view->AppendCheckItem(ID_view_dual_screen, _("Dual screen\tShift+F11"));
 550                 setup_menu ();
 551                 view->AppendSeparator();
 552                 view->Append(ID_view_closed_captions, _("Closed captions..."));
 553                 view->AppendSeparator();
 554                 view->AppendRadioItem(ID_view_scale_appropriate, _("Set decode resolution to match display"))->Check(!static_cast<bool>(c));
 555                 view->AppendRadioItem(ID_view_scale_full, _("Decode at full resolution"))->Check(c && c.get() == 0);
 556                 view->AppendRadioItem(ID_view_scale_half, _("Decode at half resolution"))->Check(c && c.get() == 1);
 557                 view->AppendRadioItem(ID_view_scale_quarter, _("Decode at quarter resolution"))->Check(c && c.get() == 2);
 558
 559                 auto tools = new wxMenu;
 560                 _tools_verify = tools->Append (ID_tools_verify, _("Verify DCP..."));
 561                 tools->AppendSeparator ();
 562                 tools->Append (ID_tools_check_for_updates, _("Check for updates"));
 563                 tools->Append (ID_tools_timing, _("Timing..."));
 564                 tools->Append (ID_tools_system_information, _("System information..."));
 565
 566                 auto help = new wxMenu;
 567 #ifdef __WXOSX__
 568                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 569 #else
 570                 help->Append (wxID_ABOUT, _("About"));
 571 #endif
 572                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 573
 574                 m->Append (_file_menu, _("&File"));
 575 #ifndef __WXOSX__
 576                 m->Append (edit, _("&Edit"));
 577 #endif
 578                 m->Append (view, _("&View"));
 579                 m->Append (tools, _("&Tools"));
 580                 m->Append (help, _("&Help"));
 581         }
 582
 583         void file_open ()
 584         {
 585                 auto d = wxStandardPaths::Get().GetDocumentsDir();
 586                 if (Config::instance()->last_player_load_directory()) {
 587                         d = std_to_wx (Config::instance()->last_player_load_directory()->string());
 588                 }
 589
 590                 auto c = new wxDirDialog (this, _("Select DCP to open"), d, wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST);
 591
 592                 int r;
 593                 while (true) {
 594                         r = c->ShowModal ();
 595                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 596                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 597                         } else {
 598                                 break;
 599                         }
 600                 }
 601
 602                 if (r == wxID_OK) {
 603                         boost::filesystem::path const dcp (wx_to_std (c->GetPath ()));
 604                         load_dcp (dcp);
 605                         Config::instance()->set_last_player_load_directory (dcp.parent_path());
 606                 }
 607
 608                 c->Destroy ();
 609         }
 610
 611         void file_add_ov ()
 612         {
 613                 auto c = new wxDirDialog (
 614                         this,
 615                         _("Select DCP to open as OV"),
 616                         wxStandardPaths::Get().GetDocumentsDir(),
 617                         wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST
 618                         );
 619
 620                 int r;
 621                 while (true) {
 622                         r = c->ShowModal ();
 623                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 624                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 625                         } else {
 626                                 break;
 627                         }
 628                 }
 629
 630                 if (r == wxID_OK) {
 631                         DCPOMATIC_ASSERT (_film);
 632                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 633                         DCPOMATIC_ASSERT (dcp);
 634                         dcp->add_ov (wx_to_std(c->GetPath()));
 635                         JobManager::instance()->add(make_shared<ExamineContentJob>(_film, dcp));
 636                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 637                         if (!ok || !report_errors_from_last_job(this)) {
 638                                 return;
 639                         }
 640                         for (auto i: dcp->text) {
 641                                 i->set_use (true);
 642                         }
 643                         if (dcp->video) {
 644                                 auto const r = Ratio::nearest_from_ratio(dcp->video->size().ratio());
 645                                 if (r) {
 646                                         _film->set_container(r);
 647                                 }
 648                         }
 649                 }
 650
 651                 c->Destroy ();
 652                 _info->triggered_update ();
 653         }
 654
 655         void file_add_kdm ()
 656         {
 657                 auto d = new wxFileDialog (this, _("Select KDM"));
 658
 659                 if (d->ShowModal() == wxID_OK) {
 660                         DCPOMATIC_ASSERT (_film);
 661                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 662                         DCPOMATIC_ASSERT (dcp);
 663                         try {
 664                                 if (dcp) {
 665                                         _viewer->set_coalesce_player_changes (true);
 666                                         dcp->add_kdm (dcp::EncryptedKDM(dcp::file_to_string(wx_to_std(d->GetPath()), MAX_KDM_SIZE)));
 667                                         examine_content();
 668                                         _viewer->set_coalesce_player_changes (false);
 669                                 }
 670                         } catch (exception& e) {
 671                                 error_dialog (this, wxString::Format (_("Could not load KDM.")), std_to_wx(e.what()));
 672                                 d->Destroy ();
 673                                 return;
 674                         }
 675                 }
 676
 677                 d->Destroy ();
 678                 _info->triggered_update ();
 679         }
 680
 681         void file_history (wxCommandEvent& event)
 682         {
 683                 auto history = Config::instance()->player_history ();
 684                 int n = event.GetId() - ID_file_history;
 685                 if (n >= 0 && n < static_cast<int> (history.size ())) {
 686                         try {
 687                                 load_dcp (history[n]);
 688                         } catch (exception& e) {
 689                                 error_dialog (0, std_to_wx(String::compose(wx_to_std(_("Could not load DCP %1.")), history[n])), std_to_wx(e.what()));
 690                         }
 691                 }
 692         }
 693
 694         void file_close ()
 695         {
 696                 reset_film ();
 697                 _info->triggered_update ();
 698                 set_menu_sensitivity ();
 699         }
 700
 701         void file_exit ()
 702         {
 703                 Close ();
 704         }
 705
 706         void edit_preferences ()
 707         {
 708                 if (!Config::instance()->have_write_permission()) {
 709                         return;
 710                 }
 711
 712                 if (!_config_dialog) {
 713                         _config_dialog = create_player_config_dialog ();
 714                 }
 715                 _config_dialog->Show (this);
 716         }
 717
 718         void view_cpl (wxCommandEvent& ev)
 719         {
 720                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 721                 DCPOMATIC_ASSERT (dcp);
 722                 DCPExaminer ex (dcp, true);
 723                 int id = ev.GetId() - ID_view_cpl;
 724                 DCPOMATIC_ASSERT (id >= 0);
 725                 DCPOMATIC_ASSERT (id < int(ex.cpls().size()));
 726                 auto cpls = ex.cpls();
 727                 auto i = cpls.begin();
 728                 while (id > 0) {
 729                         ++i;
 730                         --id;
 731                 }
 732
 733                 _viewer->set_coalesce_player_changes (true);
 734                 dcp->set_cpl ((*i)->id());
 735                 examine_content ();
 736                 _viewer->set_coalesce_player_changes (false);
 737
 738                 _info->triggered_update ();
 739         }
 740
 741         void view_full_screen ()
 742         {
 743                 if (_mode == Config::PLAYER_MODE_FULL) {
 744                         _mode = Config::PLAYER_MODE_WINDOW;
 745                 } else {
 746                         _mode = Config::PLAYER_MODE_FULL;
 747                 }
 748                 setup_screen ();
 749                 setup_menu ();
 750         }
 751
 752         void view_dual_screen ()
 753         {
 754                 if (_mode == Config::PLAYER_MODE_DUAL) {
 755                         _mode = Config::PLAYER_MODE_WINDOW;
 756                 } else {
 757                         _mode = Config::PLAYER_MODE_DUAL;
 758                 }
 759                 setup_screen ();
 760                 setup_menu ();
 761         }
 762
 763         void setup_menu ()
 764         {
 765                 if (_view_full_screen) {
 766                         _view_full_screen->Check (_mode == Config::PLAYER_MODE_FULL);
 767                 }
 768                 if (_view_dual_screen) {
 769                         _view_dual_screen->Check (_mode == Config::PLAYER_MODE_DUAL);
 770                 }
 771         }
 772
 773         void setup_screen ()
 774         {
 775                 _controls->Show (_mode != Config::PLAYER_MODE_FULL);
 776                 _info->Show (_mode != Config::PLAYER_MODE_FULL);
 777                 _overall_panel->SetBackgroundColour (_mode == Config::PLAYER_MODE_FULL ? wxColour(0, 0, 0) : wxNullColour);
 778                 ShowFullScreen (_mode == Config::PLAYER_MODE_FULL);
 779                 _viewer->set_pad_black (_mode != Config::PLAYER_MODE_WINDOW);
 780
 781                 if (_mode == Config::PLAYER_MODE_DUAL) {
 782                         _dual_screen = new wxFrame (this, wxID_ANY, wxT(""));
 783                         _dual_screen->SetBackgroundColour (wxColour(0, 0, 0));
 784                         _dual_screen->ShowFullScreen (true);
 785                         _viewer->panel()->Reparent (_dual_screen);
 786                         _dual_screen->Show ();
 787                         if (wxDisplay::GetCount() > 1) {
 788                                 switch (Config::instance()->image_display()) {
 789                                 case 0:
 790                                         _dual_screen->Move (0, 0);
 791                                         Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
 792                                         break;
 793                                 case 1:
 794                                         _dual_screen->Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
 795                                         // (0, 0) doesn't seem to work for some strange reason
 796                                         Move (8, 8);
 797                                         break;
 798                                 }
 799                         }
 800                 } else {
 801                         if (_dual_screen) {
 802                                 _viewer->panel()->Reparent (_overall_panel);
 803                                 _dual_screen->Destroy ();
 804                                 _dual_screen = 0;
 805                         }
 806                 }
 807
 808                 setup_main_sizer (_mode);
 809         }
 810
 811         void view_closed_captions ()
 812         {
 813                 _viewer->show_closed_captions ();
 814         }
 815
 816         void tools_verify ()
 817         {
 818                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 819                 DCPOMATIC_ASSERT (dcp);
 820
 821                 auto job = make_shared<VerifyDCPJob>(dcp->directories());
 822                 auto progress = new VerifyDCPProgressDialog(this, _("DCP-o-matic Player"));
 823                 bool const completed = progress->run (job);
 824                 progress->Destroy ();
 825                 if (!completed) {
 826                         return;
 827                 }
 828
 829                 auto d = new VerifyDCPDialog (this, job);
 830                 d->ShowModal ();
 831                 d->Destroy ();
 832         }
 833
 834         void tools_check_for_updates ()
 835         {
 836                 UpdateChecker::instance()->run ();
 837                 _update_news_requested = true;
 838         }
 839
 840         void tools_timing ()
 841         {
 842                 auto d = new TimerDisplay (this, _viewer->state_timer(), _viewer->gets());
 843                 d->ShowModal ();
 844                 d->Destroy ();
 845         }
 846
 847         void tools_system_information ()
 848         {
 849                 if (!_system_information_dialog) {
 850                         _system_information_dialog = new SystemInformationDialog (this, _viewer);
 851                 }
 852
 853                 _system_information_dialog->Show ();
 854         }
 855
 856         void help_about ()
 857         {
 858                 auto d = new AboutDialog (this);
 859                 d->ShowModal ();
 860                 d->Destroy ();
 861         }
 862
 863         void help_report_a_problem ()
 864         {
 865                 auto d = new ReportProblemDialog (this);
 866                 if (d->ShowModal () == wxID_OK) {
 867                         d->report ();
 868                 }
 869                 d->Destroy ();
 870         }
 871
 872         void update_checker_state_changed ()
 873         {
 874                 auto uc = UpdateChecker::instance ();
 875
 876                 bool const announce =
 877                         _update_news_requested ||
 878                         (uc->stable() && Config::instance()->check_for_updates()) ||
 879                         (uc->test() && Config::instance()->check_for_updates() && Config::instance()->check_for_test_updates());
 880
 881                 _update_news_requested = false;
 882
 883                 if (!announce) {
 884                         return;
 885                 }
 886
 887                 if (uc->state() == UpdateChecker::State::YES) {
 888                         auto dialog = new UpdateDialog (this, uc->stable (), uc->test ());
 889                         dialog->ShowModal ();
 890                         dialog->Destroy ();
 891                 } else if (uc->state() == UpdateChecker::State::FAILED) {
 892                         error_dialog (this, _("The DCP-o-matic download server could not be contacted."));
 893                 } else {
 894                         error_dialog (this, _("There are no new versions of DCP-o-matic available."));
 895                 }
 896
 897                 _update_news_requested = false;
 898         }
 899
 900         void config_changed (Config::Property prop)
 901         {
 902                 /* Instantly save any config changes when using the player GUI */
 903                 try {
 904                         Config::instance()->write_config();
 905                 } catch (FileError& e) {
 906                         if (prop != Config::HISTORY) {
 907                                 error_dialog (
 908                                         this,
 909                                         wxString::Format(
 910                                                 _("Could not write to config file at %s.  Your changes have not been saved."),
 911                                                 std_to_wx(e.file().string())
 912                                                 )
 913                                         );
 914                         }
 915                 } catch (exception& e) {
 916                         error_dialog (
 917                                 this,
 918                                 _("Could not write to config file.  Your changes have not been saved.")
 919                                 );
 920                 }
 921
 922                 update_from_config (prop);
 923         }
 924
 925         void update_from_config (Config::Property prop)
 926         {
 927                 for (int i = 0; i < _history_items; ++i) {
 928                         delete _file_menu->Remove (ID_file_history + i);
 929                 }
 930
 931                 if (_history_separator) {
 932                         _file_menu->Remove (_history_separator);
 933                 }
 934                 delete _history_separator;
 935                 _history_separator = nullptr;
 936
 937                 int pos = _history_position;
 938
 939                 /* Clear out non-existant history items before we re-build the menu */
 940                 Config::instance()->clean_player_history ();
 941                 auto history = Config::instance()->player_history ();
 942
 943                 if (!history.empty ()) {
 944                         _history_separator = _file_menu->InsertSeparator (pos++);
 945                 }
 946
 947                 for (size_t i = 0; i < history.size(); ++i) {
 948                         string s;
 949                         if (i < 9) {
 950                                 s = String::compose ("&%1 %2", i + 1, history[i].string());
 951                         } else {
 952                                 s = history[i].string();
 953                         }
 954                         _file_menu->Insert (pos++, ID_file_history + i, std_to_wx (s));
 955                 }
 956
 957                 _history_items = history.size ();
 958
 959                 if (prop == Config::PLAYER_DEBUG_LOG) {
 960                         auto p = Config::instance()->player_debug_log_file();
 961                         if (p) {
 962                                 dcpomatic_log = make_shared<FileLog>(*p);
 963                         } else {
 964                                 dcpomatic_log = make_shared<NullLog>();
 965                         }
 966                         dcpomatic_log->set_types (LogEntry::TYPE_GENERAL | LogEntry::TYPE_WARNING | LogEntry::TYPE_ERROR | LogEntry::TYPE_DEBUG_VIDEO_VIEW);
 967                 }
 968         }
 969
 970         void set_menu_sensitivity ()
 971         {
 972                 _tools_verify->Enable (static_cast<bool>(_film));
 973                 _file_add_ov->Enable (static_cast<bool>(_film));
 974                 _file_add_kdm->Enable (static_cast<bool>(_film));
 975                 _view_cpl->Enable (static_cast<bool>(_film));
 976         }
 977
 978         void start_stop_pressed ()
 979         {
 980                 if (_viewer->playing()) {
 981                         _viewer->stop();
 982                 } else {
 983                         _viewer->start();
 984                 }
 985         }
 986
 987         void go_back_frame ()
 988         {
 989                 _viewer->seek_by (-_viewer->one_video_frame(), true);
 990         }
 991
 992         void go_forward_frame ()
 993         {
 994                 _viewer->seek_by (_viewer->one_video_frame(), true);
 995         }
 996
 997         void go_seconds (int s)
 998         {
 999                 _viewer->seek_by (DCPTime::from_seconds(s), true);
1000         }
1001
1002         void go_to_start ()
1003         {
1004                 _viewer->seek (DCPTime(), true);
1005         }
1006
1007         void go_to_end ()
1008         {
1009                 _viewer->seek (_film->length() - _viewer->one_video_frame(), true);
1010         }
1011
1012         wxFrame* _dual_screen;
1013         bool _update_news_requested;
1014         PlayerInformation* _info;
1015         Config::PlayerMode _mode;
1016         wxPreferencesEditor* _config_dialog;
1017         wxPanel* _overall_panel;
1018         wxMenu* _file_menu;
1019         wxMenuItem* _view_cpl;
1020         wxMenu* _cpl_menu;
1021         int _history_items;
1022         int _history_position;
1023         wxMenuItem* _history_separator;
1024         shared_ptr<FilmViewer> _viewer;
1025         Controls* _controls;
1026         SystemInformationDialog* _system_information_dialog;
1027         std::shared_ptr<Film> _film;
1028         boost::signals2::scoped_connection _config_changed_connection;
1029         boost::signals2::scoped_connection _examine_job_connection;
1030         wxMenuItem* _file_add_ov;
1031         wxMenuItem* _file_add_kdm;
1032         wxMenuItem* _tools_verify;
1033         wxMenuItem* _view_full_screen;
1034         wxMenuItem* _view_dual_screen;
1035         wxSizer* _main_sizer;
1036         PlayerStressTester _stress;
1037 };
1038
1039 static const wxCmdLineEntryDesc command_line_description[] = {
1040         { wxCMD_LINE_PARAM, 0, 0, "DCP to load or create", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1041         { wxCMD_LINE_OPTION, "c", "config", "Directory containing config.xml", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1042         { wxCMD_LINE_OPTION, "s", "stress", "File containing description of stress test", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1043         { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
1044 };
1045
1046 class PlayServer : public Server
1047 {
1048 public:
1049         explicit PlayServer (DOMFrame* frame)
1050                 : Server (PLAYER_PLAY_PORT)
1051                 , _frame (frame)
1052         {}
1053
1054         void handle (shared_ptr<Socket> socket)
1055         {
1056                 try {
1057                         int const length = socket->read_uint32 ();
1058                         scoped_array<char> buffer (new char[length]);
1059                         socket->read (reinterpret_cast<uint8_t*> (buffer.get()), length);
1060                         string s (buffer.get());
1061                         signal_manager->when_idle (bind (&DOMFrame::load_dcp, _frame, s));
1062                         socket->write (reinterpret_cast<uint8_t const *> ("OK"), 3);
1063                 } catch (...) {
1064
1065                 }
1066         }
1067
1068 private:
1069         DOMFrame* _frame;
1070 };
1071
1072 /** @class App
1073  *  @brief The magic App class for wxWidgets.
1074  */
1075 class App : public wxApp
1076 {
1077 public:
1078         App ()
1079                 : wxApp ()
1080                 , _frame (0)
1081         {
1082 #ifdef DCPOMATIC_LINUX
1083                 XInitThreads ();
1084 #endif
1085         }
1086
1087 private:
1088
1089         bool OnInit ()
1090         {
1091                 wxSplashScreen* splash = 0;
1092                 try {
1093                         wxInitAllImageHandlers ();
1094
1095                         Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
1096                         Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
1097
1098                         splash = maybe_show_splash ();
1099
1100                         SetAppName (_("DCP-o-matic Player"));
1101
1102                         if (!wxApp::OnInit()) {
1103                                 return false;
1104                         }
1105
1106 #ifdef DCPOMATIC_LINUX
1107                         unsetenv ("UBUNTU_MENUPROXY");
1108 #endif
1109
1110 #ifdef DCPOMATIC_OSX
1111                         make_foreground_application ();
1112 #endif
1113
1114                         dcpomatic_setup_path_encoding ();
1115
1116                         /* Enable i18n; this will create a Config object
1117                            to look for a force-configured language.  This Config
1118                            object will be wrong, however, because dcpomatic_setup
1119                            hasn't yet been called and there aren't any filters etc.
1120                            set up yet.
1121                         */
1122                         dcpomatic_setup_i18n ();
1123
1124                         /* Set things up, including filters etc.
1125                            which will now be internationalised correctly.
1126                         */
1127                         dcpomatic_setup ();
1128
1129                         /* Force the configuration to be re-loaded correctly next
1130                            time it is needed.
1131                         */
1132                         Config::drop ();
1133
1134                         signal_manager = new wxSignalManager (this);
1135
1136                         _frame = new DOMFrame ();
1137                         SetTopWindow (_frame);
1138                         _frame->Maximize ();
1139                         if (splash) {
1140                                 splash->Destroy ();
1141                                 splash = 0;
1142                         }
1143                         _frame->Show ();
1144
1145                         PlayServer* server = new PlayServer (_frame);
1146                         new thread (boost::bind (&PlayServer::run, server));
1147
1148                         if (!_dcp_to_load.empty() && boost::filesystem::is_directory (_dcp_to_load)) {
1149                                 try {
1150                                         _frame->load_dcp (_dcp_to_load);
1151                                 } catch (exception& e) {
1152                                         error_dialog (0, std_to_wx (String::compose (wx_to_std (_("Could not load DCP %1.")), _dcp_to_load)), std_to_wx(e.what()));
1153                                 }
1154                         }
1155
1156                         if (_stress) {
1157                                 try {
1158                                         _frame->load_stress_script (*_stress);
1159                                 } catch (exception& e) {
1160                                         error_dialog (0, wxString::Format("Could not load stress test file %s", std_to_wx(*_stress)));
1161                                 }
1162                         }
1163
1164                         Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
1165
1166                         if (Config::instance()->check_for_updates ()) {
1167                                 UpdateChecker::instance()->run ();
1168                         }
1169                 }
1170                 catch (exception& e)
1171                 {
1172                         if (splash) {
1173                                 splash->Destroy ();
1174                         }
1175                         error_dialog (0, _("DCP-o-matic Player could not start."), std_to_wx(e.what()));
1176                 }
1177
1178                 return true;
1179         }
1180
1181         void OnInitCmdLine (wxCmdLineParser& parser)
1182         {
1183                 parser.SetDesc (command_line_description);
1184                 parser.SetSwitchChars (wxT ("-"));
1185         }
1186
1187         bool OnCmdLineParsed (wxCmdLineParser& parser)
1188         {
1189                 if (parser.GetParamCount() > 0) {
1190                         _dcp_to_load = wx_to_std (parser.GetParam (0));
1191                 }
1192
1193                 wxString config;
1194                 if (parser.Found("c", &config)) {
1195                         Config::override_path = wx_to_std (config);
1196                 }
1197                 wxString stress;
1198                 if (parser.Found("s", &stress)) {
1199                         _stress = wx_to_std (stress);
1200                 }
1201
1202                 return true;
1203         }
1204
1205         void report_exception ()
1206         {
1207                 try {
1208                         throw;
1209                 } catch (FileError& e) {
1210                         error_dialog (
1211                                 0,
1212                                 wxString::Format (
1213                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
1214                                         std_to_wx (e.what()),
1215                                         std_to_wx (e.file().string().c_str ())
1216                                         )
1217                                 );
1218                 } catch (exception& e) {
1219                         error_dialog (
1220                                 0,
1221                                 wxString::Format (
1222                                         _("An exception occurred: %s.\n\n") + REPORT_PROBLEM,
1223                                         std_to_wx (e.what ())
1224                                         )
1225                                 );
1226                 } catch (...) {
1227                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
1228                 }
1229         }
1230
1231         /* An unhandled exception has occurred inside the main event loop */
1232         bool OnExceptionInMainLoop ()
1233         {
1234                 report_exception ();
1235                 /* This will terminate the program */
1236                 return false;
1237         }
1238
1239         void OnUnhandledException ()
1240         {
1241                 report_exception ();
1242         }
1243
1244         void idle ()
1245         {
1246                 signal_manager->ui_idle ();
1247         }
1248
1249         void config_failed_to_load ()
1250         {
1251                 message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
1252         }
1253
1254         void config_warning (string m)
1255         {
1256                 message_dialog (_frame, std_to_wx (m));
1257         }
1258
1259         DOMFrame* _frame;
1260         string _dcp_to_load;
1261         boost::optional<string> _stress;
1262 };
1263
1264 IMPLEMENT_APP (App)