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         ~DOMFrame ()
 263         {
 264                 /* It's important that this is stopped before our frame starts destroying its children,
 265                  * otherwise UI elements that it depends on will disappear from under it.
 266                  */
 267                 _viewer.reset ();
 268         }
 269
 270         void setup_main_sizer (Config::PlayerMode mode)
 271         {
 272                 _main_sizer->Detach (_viewer->panel());
 273                 _main_sizer->Detach (_controls);
 274                 _main_sizer->Detach (_info);
 275                 if (mode != Config::PLAYER_MODE_DUAL) {
 276                         _main_sizer->Add (_viewer->panel(), 1, wxEXPAND);
 277                 }
 278                 _main_sizer->Add (_controls, mode == Config::PLAYER_MODE_DUAL ? 1 : 0, wxEXPAND | wxALL, 6);
 279                 _main_sizer->Add (_info, 0, wxEXPAND | wxALL, 6);
 280                 _overall_panel->SetSizer (_main_sizer);
 281                 _overall_panel->Layout ();
 282         }
 283
 284         bool playback_permitted ()
 285         {
 286                 if (!_film || !Config::instance()->respect_kdm_validity_periods()) {
 287                         return true;
 288                 }
 289
 290                 bool ok = true;
 291                 for (auto i: _film->content()) {
 292                         auto d = dynamic_pointer_cast<DCPContent>(i);
 293                         if (d && !d->kdm_timing_window_valid()) {
 294                                 ok = false;
 295                         }
 296                 }
 297
 298                 if (!ok) {
 299                         error_dialog (this, _("The KDM does not allow playback of this content at this time."));
 300                 }
 301
 302                 return ok;
 303         }
 304
 305         void playback_started (DCPTime time)
 306         {
 307                 /* XXX: this only logs the first piece of content; probably should be each piece? */
 308                 if (_film->content().empty()) {
 309                         return;
 310                 }
 311
 312                 auto dcp = dynamic_pointer_cast<DCPContent>(_film->content().front());
 313                 if (dcp) {
 314                         DCPExaminer ex (dcp, true);
 315                         shared_ptr<dcp::CPL> playing_cpl;
 316                         for (auto i: ex.cpls()) {
 317                                 if (!dcp->cpl() || i->id() == *dcp->cpl()) {
 318                                         playing_cpl = i;
 319                                 }
 320                         }
 321                         DCPOMATIC_ASSERT (playing_cpl);
 322
 323                         _controls->log (
 324                                 wxString::Format(
 325                                         "playback-started %s %s %s",
 326                                         time.timecode(_film->video_frame_rate()).c_str(),
 327                                         dcp->directories().front().string().c_str(),
 328                                         playing_cpl->annotation_text().get_value_or("").c_str()
 329                                         )
 330                                 );
 331                 }
 332
 333                 auto ffmpeg = dynamic_pointer_cast<FFmpegContent>(_film->content().front());
 334                 if (ffmpeg) {
 335                         _controls->log (
 336                                 wxString::Format(
 337                                         "playback-started %s %s",
 338                                         time.timecode(_film->video_frame_rate()).c_str(),
 339                                         ffmpeg->path(0).string().c_str()
 340                                         )
 341                                 );
 342                 }
 343         }
 344
 345         void playback_stopped (DCPTime time)
 346         {
 347                 _controls->log (wxString::Format("playback-stopped %s", time.timecode(_film->video_frame_rate()).c_str()));
 348         }
 349
 350         void set_decode_reduction (optional<int> reduction)
 351         {
 352                 _viewer->set_dcp_decode_reduction (reduction);
 353                 _info->triggered_update ();
 354                 Config::instance()->set_decode_reduction (reduction);
 355         }
 356
 357         void load_dcp (boost::filesystem::path dir)
 358         {
 359                 DCPOMATIC_ASSERT (_film);
 360
 361                 reset_film ();
 362                 try {
 363                         _stress.set_suspended (true);
 364                         // here
 365                         auto dcp = make_shared<DCPContent>(dir);
 366                         auto job = make_shared<ExamineContentJob>(_film, dcp);
 367                         _examine_job_connection = job->Finished.connect(bind(&DOMFrame::add_dcp_to_film, this, weak_ptr<Job>(job), weak_ptr<Content>(dcp)));
 368                         JobManager::instance()->add (job);
 369                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 370                         if (!ok || !report_errors_from_last_job(this)) {
 371                                 return;
 372                         }
 373                         Config::instance()->add_to_player_history (dir);
 374                 } catch (ProjectFolderError &) {
 375                         error_dialog (
 376                                 this,
 377                                 wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())),
 378                                 _(
 379                                         "This looks like a DCP-o-matic project folder, which cannot be loaded into the player.  "
 380                                         "Choose the DCP directory inside the DCP-o-matic project folder if that's what you want to play."
 381                                  )
 382                                 );
 383                 } catch (dcp::ReadError& e) {
 384                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 385                 } catch (DCPError& e) {
 386                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 387                 }
 388         }
 389
 390         void add_dcp_to_film (weak_ptr<Job> weak_job, weak_ptr<Content> weak_content)
 391         {
 392                 auto job = weak_job.lock ();
 393                 if (!job || !job->finished_ok()) {
 394                         return;
 395                 }
 396
 397                 auto content = weak_content.lock ();
 398                 if (!content) {
 399                         return;
 400                 }
 401
 402                 _film->add_content (content);
 403                 _stress.set_suspended (false);
 404         }
 405
 406         void reset_film_weak (weak_ptr<Film> weak_film)
 407         {
 408                 auto film = weak_film.lock ();
 409                 if (film) {
 410                         reset_film (film);
 411                 }
 412         }
 413
 414         void reset_film (shared_ptr<Film> film = shared_ptr<Film>(new Film(optional<boost::filesystem::path>())))
 415         {
 416                 _film = film;
 417                 _film->set_tolerant (true);
 418                 _film->set_audio_channels (MAX_DCP_AUDIO_CHANNELS);
 419                 _viewer->set_film (_film);
 420                 _controls->set_film (_film);
 421                 _film->Change.connect (bind(&DOMFrame::film_changed, this, _1, _2));
 422                 _info->triggered_update ();
 423         }
 424
 425         void film_changed (ChangeType type, Film::Property property)
 426         {
 427                 if (type != ChangeType::DONE || property != Film::Property::CONTENT) {
 428                         return;
 429                 }
 430
 431                 if (_viewer->playing ()) {
 432                         _viewer->stop ();
 433                 }
 434
 435                 /* Start off as Flat */
 436                 _film->set_container (Ratio::from_id("185"));
 437
 438                 for (auto i: _film->content()) {
 439                         auto dcp = dynamic_pointer_cast<DCPContent>(i);
 440
 441                         for (auto j: i->text) {
 442                                 j->set_use (true);
 443                         }
 444
 445                         if (i->video) {
 446                                 auto const r = Ratio::nearest_from_ratio(i->video->size().ratio());
 447                                 if (r->id() == "239") {
 448                                         /* Any scope content means we use scope */
 449                                         _film->set_container(r);
 450                                 }
 451                         }
 452
 453                         /* Any 3D content means we use 3D mode */
 454                         if (i->video && i->video->frame_type() != VideoFrameType::TWO_D) {
 455                                 _film->set_three_d (true);
 456                         }
 457                 }
 458
 459                 _viewer->seek (DCPTime(), true);
 460                 _info->triggered_update ();
 461
 462                 set_menu_sensitivity ();
 463
 464                 auto old = _cpl_menu->GetMenuItems();
 465                 for (auto const& i: old) {
 466                         _cpl_menu->Remove (i);
 467                 }
 468
 469                 if (_film->content().size() == 1) {
 470                         /* Offer a CPL menu */
 471                         auto first = dynamic_pointer_cast<DCPContent>(_film->content().front());
 472                         if (first) {
 473                                 DCPExaminer ex (first, true);
 474                                 int id = ID_view_cpl;
 475                                 for (auto i: ex.cpls()) {
 476                                         auto j = _cpl_menu->AppendRadioItem(
 477                                                 id,
 478                                                 wxString::Format("%s (%s)", std_to_wx(i->annotation_text().get_value_or("")).data(), std_to_wx(i->id()).data())
 479                                                 );
 480                                         j->Check(!first->cpl() || i->id() == *first->cpl());
 481                                         ++id;
 482                                 }
 483                         }
 484                 }
 485         }
 486
 487         void load_stress_script (boost::filesystem::path path)
 488         {
 489                 _stress.load_script (path);
 490         }
 491
 492 private:
 493
 494         void examine_content ()
 495         {
 496                 DCPOMATIC_ASSERT (_film);
 497                 auto dcp = dynamic_pointer_cast<DCPContent>(_film->content().front());
 498                 DCPOMATIC_ASSERT (dcp);
 499                 dcp->examine (_film, shared_ptr<Job>());
 500
 501                 /* Examining content re-creates the TextContent objects, so we must re-enable them */
 502                 for (auto i: dcp->text) {
 503                         i->set_use (true);
 504                 }
 505         }
 506
 507         bool report_errors_from_last_job (wxWindow* parent) const
 508         {
 509                 auto jm = JobManager::instance ();
 510
 511                 DCPOMATIC_ASSERT (!jm->get().empty());
 512
 513                 auto last = jm->get().back();
 514                 if (last->finished_in_error()) {
 515                         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()));
 516                         return false;
 517                 }
 518
 519                 return true;
 520         }
 521
 522         void setup_menu (wxMenuBar* m)
 523         {
 524                 _file_menu = new wxMenu;
 525                 _file_menu->Append (ID_file_open, _("&Open...\tCtrl-O"));
 526                 _file_add_ov = _file_menu->Append (ID_file_add_ov, _("&Add OV..."));
 527                 _file_add_kdm = _file_menu->Append (ID_file_add_kdm, _("Add &KDM..."));
 528
 529                 _history_position = _file_menu->GetMenuItems().GetCount();
 530
 531                 _file_menu->AppendSeparator ();
 532                 _file_menu->Append (ID_file_close, _("&Close"));
 533                 _file_menu->AppendSeparator ();
 534
 535 #ifdef __WXOSX__
 536                 _file_menu->Append (wxID_EXIT, _("&Exit"));
 537 #else
 538                 _file_menu->Append (wxID_EXIT, _("&Quit"));
 539 #endif
 540
 541 #ifdef __WXOSX__
 542                 auto prefs = _file_menu->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 543 #else
 544                 auto edit = new wxMenu;
 545                 auto prefs = edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 546 #endif
 547
 548                 prefs->Enable (Config::instance()->have_write_permission());
 549
 550                 _cpl_menu = new wxMenu;
 551
 552                 auto view = new wxMenu;
 553                 auto c = Config::instance()->decode_reduction();
 554                 _view_cpl = view->Append(ID_view_cpl, _("CPL"), _cpl_menu);
 555                 view->AppendSeparator();
 556                 _view_full_screen = view->AppendCheckItem(ID_view_full_screen, _("Full screen\tF11"));
 557                 _view_dual_screen = view->AppendCheckItem(ID_view_dual_screen, _("Dual screen\tShift+F11"));
 558                 setup_menu ();
 559                 view->AppendSeparator();
 560                 view->Append(ID_view_closed_captions, _("Closed captions..."));
 561                 view->AppendSeparator();
 562                 view->AppendRadioItem(ID_view_scale_appropriate, _("Set decode resolution to match display"))->Check(!static_cast<bool>(c));
 563                 view->AppendRadioItem(ID_view_scale_full, _("Decode at full resolution"))->Check(c && c.get() == 0);
 564                 view->AppendRadioItem(ID_view_scale_half, _("Decode at half resolution"))->Check(c && c.get() == 1);
 565                 view->AppendRadioItem(ID_view_scale_quarter, _("Decode at quarter resolution"))->Check(c && c.get() == 2);
 566
 567                 auto tools = new wxMenu;
 568                 _tools_verify = tools->Append (ID_tools_verify, _("Verify DCP..."));
 569                 tools->AppendSeparator ();
 570                 tools->Append (ID_tools_check_for_updates, _("Check for updates"));
 571                 tools->Append (ID_tools_timing, _("Timing..."));
 572                 tools->Append (ID_tools_system_information, _("System information..."));
 573
 574                 auto help = new wxMenu;
 575 #ifdef __WXOSX__
 576                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 577 #else
 578                 help->Append (wxID_ABOUT, _("About"));
 579 #endif
 580                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 581
 582                 m->Append (_file_menu, _("&File"));
 583 #ifndef __WXOSX__
 584                 m->Append (edit, _("&Edit"));
 585 #endif
 586                 m->Append (view, _("&View"));
 587                 m->Append (tools, _("&Tools"));
 588                 m->Append (help, _("&Help"));
 589         }
 590
 591         void file_open ()
 592         {
 593                 auto d = wxStandardPaths::Get().GetDocumentsDir();
 594                 if (Config::instance()->last_player_load_directory()) {
 595                         d = std_to_wx (Config::instance()->last_player_load_directory()->string());
 596                 }
 597
 598                 auto c = new wxDirDialog (this, _("Select DCP to open"), d, wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST);
 599
 600                 int r;
 601                 while (true) {
 602                         r = c->ShowModal ();
 603                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 604                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 605                         } else {
 606                                 break;
 607                         }
 608                 }
 609
 610                 if (r == wxID_OK) {
 611                         boost::filesystem::path const dcp (wx_to_std (c->GetPath ()));
 612                         load_dcp (dcp);
 613                         Config::instance()->set_last_player_load_directory (dcp.parent_path());
 614                 }
 615
 616                 c->Destroy ();
 617         }
 618
 619         void file_add_ov ()
 620         {
 621                 auto c = new wxDirDialog (
 622                         this,
 623                         _("Select DCP to open as OV"),
 624                         wxStandardPaths::Get().GetDocumentsDir(),
 625                         wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST
 626                         );
 627
 628                 int r;
 629                 while (true) {
 630                         r = c->ShowModal ();
 631                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 632                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 633                         } else {
 634                                 break;
 635                         }
 636                 }
 637
 638                 if (r == wxID_OK) {
 639                         DCPOMATIC_ASSERT (_film);
 640                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 641                         DCPOMATIC_ASSERT (dcp);
 642                         dcp->add_ov (wx_to_std(c->GetPath()));
 643                         JobManager::instance()->add(make_shared<ExamineContentJob>(_film, dcp));
 644                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 645                         if (!ok || !report_errors_from_last_job(this)) {
 646                                 return;
 647                         }
 648                         for (auto i: dcp->text) {
 649                                 i->set_use (true);
 650                         }
 651                         if (dcp->video) {
 652                                 auto const r = Ratio::nearest_from_ratio(dcp->video->size().ratio());
 653                                 if (r) {
 654                                         _film->set_container(r);
 655                                 }
 656                         }
 657                 }
 658
 659                 c->Destroy ();
 660                 _info->triggered_update ();
 661         }
 662
 663         void file_add_kdm ()
 664         {
 665                 auto d = new wxFileDialog (this, _("Select KDM"));
 666
 667                 if (d->ShowModal() == wxID_OK) {
 668                         DCPOMATIC_ASSERT (_film);
 669                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 670                         DCPOMATIC_ASSERT (dcp);
 671                         try {
 672                                 if (dcp) {
 673                                         _viewer->set_coalesce_player_changes (true);
 674                                         dcp->add_kdm (dcp::EncryptedKDM(dcp::file_to_string(wx_to_std(d->GetPath()), MAX_KDM_SIZE)));
 675                                         examine_content();
 676                                         _viewer->set_coalesce_player_changes (false);
 677                                 }
 678                         } catch (exception& e) {
 679                                 error_dialog (this, wxString::Format (_("Could not load KDM.")), std_to_wx(e.what()));
 680                                 d->Destroy ();
 681                                 return;
 682                         }
 683                 }
 684
 685                 d->Destroy ();
 686                 _info->triggered_update ();
 687         }
 688
 689         void file_history (wxCommandEvent& event)
 690         {
 691                 auto history = Config::instance()->player_history ();
 692                 int n = event.GetId() - ID_file_history;
 693                 if (n >= 0 && n < static_cast<int> (history.size ())) {
 694                         try {
 695                                 load_dcp (history[n]);
 696                         } catch (exception& e) {
 697                                 error_dialog (0, std_to_wx(String::compose(wx_to_std(_("Could not load DCP %1.")), history[n])), std_to_wx(e.what()));
 698                         }
 699                 }
 700         }
 701
 702         void file_close ()
 703         {
 704                 reset_film ();
 705                 _info->triggered_update ();
 706                 set_menu_sensitivity ();
 707         }
 708
 709         void file_exit ()
 710         {
 711                 Close ();
 712         }
 713
 714         void edit_preferences ()
 715         {
 716                 if (!Config::instance()->have_write_permission()) {
 717                         return;
 718                 }
 719
 720                 if (!_config_dialog) {
 721                         _config_dialog = create_player_config_dialog ();
 722                 }
 723                 _config_dialog->Show (this);
 724         }
 725
 726         void view_cpl (wxCommandEvent& ev)
 727         {
 728                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 729                 DCPOMATIC_ASSERT (dcp);
 730                 DCPExaminer ex (dcp, true);
 731                 int id = ev.GetId() - ID_view_cpl;
 732                 DCPOMATIC_ASSERT (id >= 0);
 733                 DCPOMATIC_ASSERT (id < int(ex.cpls().size()));
 734                 auto cpls = ex.cpls();
 735                 auto i = cpls.begin();
 736                 while (id > 0) {
 737                         ++i;
 738                         --id;
 739                 }
 740
 741                 _viewer->set_coalesce_player_changes (true);
 742                 dcp->set_cpl ((*i)->id());
 743                 examine_content ();
 744                 _viewer->set_coalesce_player_changes (false);
 745
 746                 _info->triggered_update ();
 747         }
 748
 749         void view_full_screen ()
 750         {
 751                 if (_mode == Config::PLAYER_MODE_FULL) {
 752                         _mode = Config::PLAYER_MODE_WINDOW;
 753                 } else {
 754                         _mode = Config::PLAYER_MODE_FULL;
 755                 }
 756                 setup_screen ();
 757                 setup_menu ();
 758         }
 759
 760         void view_dual_screen ()
 761         {
 762                 if (_mode == Config::PLAYER_MODE_DUAL) {
 763                         _mode = Config::PLAYER_MODE_WINDOW;
 764                 } else {
 765                         _mode = Config::PLAYER_MODE_DUAL;
 766                 }
 767                 setup_screen ();
 768                 setup_menu ();
 769         }
 770
 771         void setup_menu ()
 772         {
 773                 if (_view_full_screen) {
 774                         _view_full_screen->Check (_mode == Config::PLAYER_MODE_FULL);
 775                 }
 776                 if (_view_dual_screen) {
 777                         _view_dual_screen->Check (_mode == Config::PLAYER_MODE_DUAL);
 778                 }
 779         }
 780
 781         void setup_screen ()
 782         {
 783                 _controls->Show (_mode != Config::PLAYER_MODE_FULL);
 784                 _info->Show (_mode != Config::PLAYER_MODE_FULL);
 785                 _overall_panel->SetBackgroundColour (_mode == Config::PLAYER_MODE_FULL ? wxColour(0, 0, 0) : wxNullColour);
 786                 ShowFullScreen (_mode == Config::PLAYER_MODE_FULL);
 787                 _viewer->set_pad_black (_mode != Config::PLAYER_MODE_WINDOW);
 788
 789                 if (_mode == Config::PLAYER_MODE_DUAL) {
 790                         _dual_screen = new wxFrame (this, wxID_ANY, wxT(""));
 791                         _dual_screen->SetBackgroundColour (wxColour(0, 0, 0));
 792                         _dual_screen->ShowFullScreen (true);
 793                         _viewer->panel()->Reparent (_dual_screen);
 794                         _dual_screen->Show ();
 795                         if (wxDisplay::GetCount() > 1) {
 796                                 switch (Config::instance()->image_display()) {
 797                                 case 0:
 798                                         _dual_screen->Move (0, 0);
 799                                         Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
 800                                         break;
 801                                 case 1:
 802                                         _dual_screen->Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
 803                                         // (0, 0) doesn't seem to work for some strange reason
 804                                         Move (8, 8);
 805                                         break;
 806                                 }
 807                         }
 808                 } else {
 809                         if (_dual_screen) {
 810                                 _viewer->panel()->Reparent (_overall_panel);
 811                                 _dual_screen->Destroy ();
 812                                 _dual_screen = 0;
 813                         }
 814                 }
 815
 816                 setup_main_sizer (_mode);
 817         }
 818
 819         void view_closed_captions ()
 820         {
 821                 _viewer->show_closed_captions ();
 822         }
 823
 824         void tools_verify ()
 825         {
 826                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 827                 DCPOMATIC_ASSERT (dcp);
 828
 829                 auto job = make_shared<VerifyDCPJob>(dcp->directories());
 830                 auto progress = new VerifyDCPProgressDialog(this, _("DCP-o-matic Player"));
 831                 bool const completed = progress->run (job);
 832                 progress->Destroy ();
 833                 if (!completed) {
 834                         return;
 835                 }
 836
 837                 auto d = new VerifyDCPDialog (this, job);
 838                 d->ShowModal ();
 839                 d->Destroy ();
 840         }
 841
 842         void tools_check_for_updates ()
 843         {
 844                 UpdateChecker::instance()->run ();
 845                 _update_news_requested = true;
 846         }
 847
 848         void tools_timing ()
 849         {
 850                 auto d = new TimerDisplay (this, _viewer->state_timer(), _viewer->gets());
 851                 d->ShowModal ();
 852                 d->Destroy ();
 853         }
 854
 855         void tools_system_information ()
 856         {
 857                 if (!_system_information_dialog) {
 858                         _system_information_dialog = new SystemInformationDialog (this, _viewer);
 859                 }
 860
 861                 _system_information_dialog->Show ();
 862         }
 863
 864         void help_about ()
 865         {
 866                 auto d = new AboutDialog (this);
 867                 d->ShowModal ();
 868                 d->Destroy ();
 869         }
 870
 871         void help_report_a_problem ()
 872         {
 873                 auto d = new ReportProblemDialog (this);
 874                 if (d->ShowModal () == wxID_OK) {
 875                         d->report ();
 876                 }
 877                 d->Destroy ();
 878         }
 879
 880         void update_checker_state_changed ()
 881         {
 882                 auto uc = UpdateChecker::instance ();
 883
 884                 bool const announce =
 885                         _update_news_requested ||
 886                         (uc->stable() && Config::instance()->check_for_updates()) ||
 887                         (uc->test() && Config::instance()->check_for_updates() && Config::instance()->check_for_test_updates());
 888
 889                 _update_news_requested = false;
 890
 891                 if (!announce) {
 892                         return;
 893                 }
 894
 895                 if (uc->state() == UpdateChecker::State::YES) {
 896                         auto dialog = new UpdateDialog (this, uc->stable (), uc->test ());
 897                         dialog->ShowModal ();
 898                         dialog->Destroy ();
 899                 } else if (uc->state() == UpdateChecker::State::FAILED) {
 900                         error_dialog (this, _("The DCP-o-matic download server could not be contacted."));
 901                 } else {
 902                         error_dialog (this, _("There are no new versions of DCP-o-matic available."));
 903                 }
 904
 905                 _update_news_requested = false;
 906         }
 907
 908         void config_changed (Config::Property prop)
 909         {
 910                 /* Instantly save any config changes when using the player GUI */
 911                 try {
 912                         Config::instance()->write_config();
 913                 } catch (FileError& e) {
 914                         if (prop != Config::HISTORY) {
 915                                 error_dialog (
 916                                         this,
 917                                         wxString::Format(
 918                                                 _("Could not write to config file at %s.  Your changes have not been saved."),
 919                                                 std_to_wx(e.file().string())
 920                                                 )
 921                                         );
 922                         }
 923                 } catch (exception& e) {
 924                         error_dialog (
 925                                 this,
 926                                 _("Could not write to config file.  Your changes have not been saved.")
 927                                 );
 928                 }
 929
 930                 update_from_config (prop);
 931         }
 932
 933         void update_from_config (Config::Property prop)
 934         {
 935                 for (int i = 0; i < _history_items; ++i) {
 936                         delete _file_menu->Remove (ID_file_history + i);
 937                 }
 938
 939                 if (_history_separator) {
 940                         _file_menu->Remove (_history_separator);
 941                 }
 942                 delete _history_separator;
 943                 _history_separator = nullptr;
 944
 945                 int pos = _history_position;
 946
 947                 /* Clear out non-existant history items before we re-build the menu */
 948                 Config::instance()->clean_player_history ();
 949                 auto history = Config::instance()->player_history ();
 950
 951                 if (!history.empty ()) {
 952                         _history_separator = _file_menu->InsertSeparator (pos++);
 953                 }
 954
 955                 for (size_t i = 0; i < history.size(); ++i) {
 956                         string s;
 957                         if (i < 9) {
 958                                 s = String::compose ("&%1 %2", i + 1, history[i].string());
 959                         } else {
 960                                 s = history[i].string();
 961                         }
 962                         _file_menu->Insert (pos++, ID_file_history + i, std_to_wx (s));
 963                 }
 964
 965                 _history_items = history.size ();
 966
 967                 if (prop == Config::PLAYER_DEBUG_LOG) {
 968                         auto p = Config::instance()->player_debug_log_file();
 969                         if (p) {
 970                                 dcpomatic_log = make_shared<FileLog>(*p);
 971                         } else {
 972                                 dcpomatic_log = make_shared<NullLog>();
 973                         }
 974                         dcpomatic_log->set_types (LogEntry::TYPE_GENERAL | LogEntry::TYPE_WARNING | LogEntry::TYPE_ERROR | LogEntry::TYPE_DEBUG_VIDEO_VIEW);
 975                 }
 976         }
 977
 978         void set_menu_sensitivity ()
 979         {
 980                 _tools_verify->Enable (static_cast<bool>(_film));
 981                 _file_add_ov->Enable (static_cast<bool>(_film));
 982                 _file_add_kdm->Enable (static_cast<bool>(_film));
 983                 _view_cpl->Enable (static_cast<bool>(_film));
 984         }
 985
 986         void start_stop_pressed ()
 987         {
 988                 if (_viewer->playing()) {
 989                         _viewer->stop();
 990                 } else {
 991                         _viewer->start();
 992                 }
 993         }
 994
 995         void go_back_frame ()
 996         {
 997                 _viewer->seek_by (-_viewer->one_video_frame(), true);
 998         }
 999
1000         void go_forward_frame ()
1001         {
1002                 _viewer->seek_by (_viewer->one_video_frame(), true);
1003         }
1004
1005         void go_seconds (int s)
1006         {
1007                 _viewer->seek_by (DCPTime::from_seconds(s), true);
1008         }
1009
1010         void go_to_start ()
1011         {
1012                 _viewer->seek (DCPTime(), true);
1013         }
1014
1015         void go_to_end ()
1016         {
1017                 _viewer->seek (_film->length() - _viewer->one_video_frame(), true);
1018         }
1019
1020         wxFrame* _dual_screen;
1021         bool _update_news_requested;
1022         PlayerInformation* _info;
1023         Config::PlayerMode _mode;
1024         wxPreferencesEditor* _config_dialog;
1025         wxPanel* _overall_panel;
1026         wxMenu* _file_menu;
1027         wxMenuItem* _view_cpl;
1028         wxMenu* _cpl_menu;
1029         int _history_items;
1030         int _history_position;
1031         wxMenuItem* _history_separator;
1032         shared_ptr<FilmViewer> _viewer;
1033         Controls* _controls;
1034         SystemInformationDialog* _system_information_dialog;
1035         std::shared_ptr<Film> _film;
1036         boost::signals2::scoped_connection _config_changed_connection;
1037         boost::signals2::scoped_connection _examine_job_connection;
1038         wxMenuItem* _file_add_ov;
1039         wxMenuItem* _file_add_kdm;
1040         wxMenuItem* _tools_verify;
1041         wxMenuItem* _view_full_screen;
1042         wxMenuItem* _view_dual_screen;
1043         wxSizer* _main_sizer;
1044         PlayerStressTester _stress;
1045 };
1046
1047 static const wxCmdLineEntryDesc command_line_description[] = {
1048         { wxCMD_LINE_PARAM, 0, 0, "DCP to load or create", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1049         { wxCMD_LINE_OPTION, "c", "config", "Directory containing config.xml", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1050         { wxCMD_LINE_OPTION, "s", "stress", "File containing description of stress test", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1051         { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
1052 };
1053
1054 class PlayServer : public Server
1055 {
1056 public:
1057         explicit PlayServer (DOMFrame* frame)
1058                 : Server (PLAYER_PLAY_PORT)
1059                 , _frame (frame)
1060         {}
1061
1062         void handle (shared_ptr<Socket> socket)
1063         {
1064                 try {
1065                         int const length = socket->read_uint32 ();
1066                         scoped_array<char> buffer (new char[length]);
1067                         socket->read (reinterpret_cast<uint8_t*> (buffer.get()), length);
1068                         string s (buffer.get());
1069                         signal_manager->when_idle (bind (&DOMFrame::load_dcp, _frame, s));
1070                         socket->write (reinterpret_cast<uint8_t const *> ("OK"), 3);
1071                 } catch (...) {
1072
1073                 }
1074         }
1075
1076 private:
1077         DOMFrame* _frame;
1078 };
1079
1080 /** @class App
1081  *  @brief The magic App class for wxWidgets.
1082  */
1083 class App : public wxApp
1084 {
1085 public:
1086         App ()
1087                 : wxApp ()
1088                 , _frame (0)
1089         {
1090 #ifdef DCPOMATIC_LINUX
1091                 XInitThreads ();
1092 #endif
1093         }
1094
1095 private:
1096
1097         bool OnInit ()
1098         {
1099                 wxSplashScreen* splash = 0;
1100                 try {
1101                         wxInitAllImageHandlers ();
1102
1103                         Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
1104                         Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
1105
1106                         splash = maybe_show_splash ();
1107
1108                         SetAppName (_("DCP-o-matic Player"));
1109
1110                         if (!wxApp::OnInit()) {
1111                                 return false;
1112                         }
1113
1114 #ifdef DCPOMATIC_LINUX
1115                         unsetenv ("UBUNTU_MENUPROXY");
1116 #endif
1117
1118 #ifdef DCPOMATIC_OSX
1119                         make_foreground_application ();
1120 #endif
1121
1122                         dcpomatic_setup_path_encoding ();
1123
1124                         /* Enable i18n; this will create a Config object
1125                            to look for a force-configured language.  This Config
1126                            object will be wrong, however, because dcpomatic_setup
1127                            hasn't yet been called and there aren't any filters etc.
1128                            set up yet.
1129                         */
1130                         dcpomatic_setup_i18n ();
1131
1132                         /* Set things up, including filters etc.
1133                            which will now be internationalised correctly.
1134                         */
1135                         dcpomatic_setup ();
1136
1137                         /* Force the configuration to be re-loaded correctly next
1138                            time it is needed.
1139                         */
1140                         Config::drop ();
1141
1142                         signal_manager = new wxSignalManager (this);
1143
1144                         _frame = new DOMFrame ();
1145                         SetTopWindow (_frame);
1146                         _frame->Maximize ();
1147                         if (splash) {
1148                                 splash->Destroy ();
1149                                 splash = 0;
1150                         }
1151                         _frame->Show ();
1152
1153                         PlayServer* server = new PlayServer (_frame);
1154                         new thread (boost::bind (&PlayServer::run, server));
1155
1156                         if (!_dcp_to_load.empty() && boost::filesystem::is_directory (_dcp_to_load)) {
1157                                 try {
1158                                         _frame->load_dcp (_dcp_to_load);
1159                                 } catch (exception& e) {
1160                                         error_dialog (0, std_to_wx (String::compose (wx_to_std (_("Could not load DCP %1.")), _dcp_to_load)), std_to_wx(e.what()));
1161                                 }
1162                         }
1163
1164                         if (_stress) {
1165                                 try {
1166                                         _frame->load_stress_script (*_stress);
1167                                 } catch (exception& e) {
1168                                         error_dialog (0, wxString::Format("Could not load stress test file %s", std_to_wx(*_stress)));
1169                                 }
1170                         }
1171
1172                         Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
1173
1174                         if (Config::instance()->check_for_updates ()) {
1175                                 UpdateChecker::instance()->run ();
1176                         }
1177                 }
1178                 catch (exception& e)
1179                 {
1180                         if (splash) {
1181                                 splash->Destroy ();
1182                         }
1183                         error_dialog (0, _("DCP-o-matic Player could not start."), std_to_wx(e.what()));
1184                 }
1185
1186                 return true;
1187         }
1188
1189         void OnInitCmdLine (wxCmdLineParser& parser)
1190         {
1191                 parser.SetDesc (command_line_description);
1192                 parser.SetSwitchChars (wxT ("-"));
1193         }
1194
1195         bool OnCmdLineParsed (wxCmdLineParser& parser)
1196         {
1197                 if (parser.GetParamCount() > 0) {
1198                         _dcp_to_load = wx_to_std (parser.GetParam (0));
1199                 }
1200
1201                 wxString config;
1202                 if (parser.Found("c", &config)) {
1203                         Config::override_path = wx_to_std (config);
1204                 }
1205                 wxString stress;
1206                 if (parser.Found("s", &stress)) {
1207                         _stress = wx_to_std (stress);
1208                 }
1209
1210                 return true;
1211         }
1212
1213         void report_exception ()
1214         {
1215                 try {
1216                         throw;
1217                 } catch (FileError& e) {
1218                         error_dialog (
1219                                 0,
1220                                 wxString::Format (
1221                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
1222                                         std_to_wx (e.what()),
1223                                         std_to_wx (e.file().string().c_str ())
1224                                         )
1225                                 );
1226                 } catch (exception& e) {
1227                         error_dialog (
1228                                 0,
1229                                 wxString::Format (
1230                                         _("An exception occurred: %s.\n\n") + REPORT_PROBLEM,
1231                                         std_to_wx (e.what ())
1232                                         )
1233                                 );
1234                 } catch (...) {
1235                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
1236                 }
1237         }
1238
1239         /* An unhandled exception has occurred inside the main event loop */
1240         bool OnExceptionInMainLoop ()
1241         {
1242                 report_exception ();
1243                 /* This will terminate the program */
1244                 return false;
1245         }
1246
1247         void OnUnhandledException ()
1248         {
1249                 report_exception ();
1250         }
1251
1252         void idle ()
1253         {
1254                 signal_manager->ui_idle ();
1255         }
1256
1257         void config_failed_to_load ()
1258         {
1259                 message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
1260         }
1261
1262         void config_warning (string m)
1263         {
1264                 message_dialog (_frame, std_to_wx (m));
1265         }
1266
1267         DOMFrame* _frame;
1268         string _dcp_to_load;
1269         boost::optional<string> _stress;
1270 };
1271
1272 IMPLEMENT_APP (App)