src/tools/dcpomatic_player.cc

   1 /*
   2     Copyright (C) 2017-2020 Carl Hetherington <cth@carlh.net>
   3
   4     This file is part of DCP-o-matic.
   5
   6     DCP-o-matic is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     DCP-o-matic is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 */
  20
  21 #include "wx/wx_signal_manager.h"
  22 #include "wx/wx_util.h"
  23 #include "wx/about_dialog.h"
  24 #include "wx/report_problem_dialog.h"
  25 #include "wx/film_viewer.h"
  26 #include "wx/player_information.h"
  27 #include "wx/update_dialog.h"
  28 #include "wx/player_config_dialog.h"
  29 #include "wx/verify_dcp_dialog.h"
  30 #include "wx/standard_controls.h"
  31 #include "wx/playlist_controls.h"
  32 #include "wx/timer_display.h"
  33 #include "wx/system_information_dialog.h"
  34 #include "wx/player_stress_tester.h"
  35 #include "lib/cross.h"
  36 #include "lib/config.h"
  37 #include "lib/util.h"
  38 #include "lib/internet.h"
  39 #include "lib/update_checker.h"
  40 #include "lib/compose.hpp"
  41 #include "lib/dcp_content.h"
  42 #include "lib/job_manager.h"
  43 #include "lib/job.h"
  44 #include "lib/film.h"
  45 #include "lib/null_log.h"
  46 #include "lib/video_content.h"
  47 #include "lib/text_content.h"
  48 #include "lib/ratio.h"
  49 #include "lib/verify_dcp_job.h"
  50 #include "lib/dcp_examiner.h"
  51 #include "lib/examine_content_job.h"
  52 #include "lib/server.h"
  53 #include "lib/dcpomatic_socket.h"
  54 #include "lib/scoped_temporary.h"
  55 #include "lib/ffmpeg_content.h"
  56 #include "lib/dcpomatic_log.h"
  57 #include "lib/file_log.h"
  58 #include <dcp/dcp.h>
  59 #include <dcp/raw_convert.h>
  60 #include <dcp/exceptions.h>
  61 #include <wx/wx.h>
  62 #include <wx/stdpaths.h>
  63 #include <wx/splash.h>
  64 #include <wx/cmdline.h>
  65 #include <wx/preferences.h>
  66 #include <wx/progdlg.h>
  67 #include <wx/display.h>
  68 #ifdef __WXGTK__
  69 #include <X11/Xlib.h>
  70 #endif
  71 #include <boost/bind.hpp>
  72 #include <boost/algorithm/string.hpp>
  73 #include <iostream>
  74
  75 #ifdef check
  76 #undef check
  77 #endif
  78
  79 #define MAX_CPLS 32
  80
  81 using std::string;
  82 using std::cout;
  83 using std::list;
  84 using std::exception;
  85 using std::vector;
  86 using boost::shared_ptr;
  87 using boost::weak_ptr;
  88 using boost::scoped_array;
  89 using boost::optional;
  90 using boost::dynamic_pointer_cast;
  91 using boost::thread;
  92 using boost::bind;
  93 #if BOOST_VERSION >= 106100
  94 using namespace boost::placeholders;
  95 #endif
  96 using dcp::raw_convert;
  97 using namespace dcpomatic;
  98
  99 enum {
 100         ID_file_open = 1,
 101         ID_file_add_ov,
 102         ID_file_add_kdm,
 103         ID_file_history,
 104         /* Allow spare IDs after _history for the recent files list */
 105         ID_file_close = 100,
 106         ID_view_cpl,
 107         /* Allow spare IDs for CPLs */
 108         ID_view_full_screen = 200,
 109         ID_view_dual_screen,
 110         ID_view_closed_captions,
 111         ID_view_scale_appropriate,
 112         ID_view_scale_full,
 113         ID_view_scale_half,
 114         ID_view_scale_quarter,
 115         ID_help_report_a_problem,
 116         ID_tools_verify,
 117         ID_tools_check_for_updates,
 118         ID_tools_timing,
 119         ID_tools_system_information,
 120         /* IDs for shortcuts (with no associated menu item) */
 121         ID_start_stop,
 122         ID_go_back_frame,
 123         ID_go_forward_frame,
 124         ID_go_back_small_amount,
 125         ID_go_forward_small_amount,
 126         ID_go_back_medium_amount,
 127         ID_go_forward_medium_amount,
 128         ID_go_back_large_amount,
 129         ID_go_forward_large_amount,
 130         ID_go_to_start,
 131         ID_go_to_end
 132 };
 133
 134 class DOMFrame : public wxFrame
 135 {
 136 public:
 137         DOMFrame ()
 138                 : wxFrame (0, -1, _("DCP-o-matic Player"))
 139                 , _dual_screen (0)
 140                 , _update_news_requested (false)
 141                 , _info (0)
 142                 , _mode (Config::instance()->player_mode())
 143                 , _config_dialog (0)
 144                 , _file_menu (0)
 145                 , _history_items (0)
 146                 , _history_position (0)
 147                 , _history_separator (0)
 148                 , _system_information_dialog (0)
 149                 , _view_full_screen (0)
 150                 , _view_dual_screen (0)
 151                 , _main_sizer (new wxBoxSizer (wxVERTICAL))
 152 {
 153                 dcpomatic_log.reset (new NullLog());
 154
 155 #if defined(DCPOMATIC_WINDOWS)
 156                 maybe_open_console ();
 157                 cout << "DCP-o-matic Player is starting." << "\n";
 158 #endif
 159
 160                 wxMenuBar* bar = new wxMenuBar;
 161                 setup_menu (bar);
 162                 set_menu_sensitivity ();
 163                 SetMenuBar (bar);
 164
 165 #ifdef DCPOMATIC_WINDOWS
 166                 SetIcon (wxIcon (std_to_wx ("id")));
 167 #endif
 168
 169                 _config_changed_connection = Config::instance()->Changed.connect (boost::bind (&DOMFrame::config_changed, this, _1));
 170                 update_from_config (Config::PLAYER_DEBUG_LOG);
 171
 172                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_open, this), ID_file_open);
 173                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_ov, this), ID_file_add_ov);
 174                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_kdm, this), ID_file_add_kdm);
 175                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_history, this, _1), ID_file_history, ID_file_history + HISTORY_SIZE);
 176                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_close, this), ID_file_close);
 177                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this), wxID_EXIT);
 178                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this), wxID_PREFERENCES);
 179                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_full_screen, this), ID_view_full_screen);
 180                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_dual_screen, this), ID_view_dual_screen);
 181                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_closed_captions, this), ID_view_closed_captions);
 182                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_cpl, this, _1), ID_view_cpl, ID_view_cpl + MAX_CPLS);
 183                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(0)), ID_view_scale_full);
 184                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(1)), ID_view_scale_half);
 185                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(2)), ID_view_scale_quarter);
 186                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this), wxID_ABOUT);
 187                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this), ID_help_report_a_problem);
 188                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_verify, this), ID_tools_verify);
 189                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_check_for_updates, this), ID_tools_check_for_updates);
 190                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_timing, this), ID_tools_timing);
 191                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_system_information, this), ID_tools_system_information);
 192
 193                 /* Use a panel as the only child of the Frame so that we avoid
 194                    the dark-grey background on Windows.
 195                 */
 196                 _overall_panel = new wxPanel (this, wxID_ANY);
 197
 198                 _viewer.reset (new FilmViewer (_overall_panel));
 199                 if (Config::instance()->player_mode() == Config::PLAYER_MODE_DUAL) {
 200                         PlaylistControls* pc = new PlaylistControls (_overall_panel, _viewer);
 201                         _controls = pc;
 202                         pc->ResetFilm.connect (bind(&DOMFrame::reset_film_weak, this, _1));
 203                 } else {
 204                         _controls = new StandardControls (_overall_panel, _viewer, false);
 205                 }
 206                 _viewer->set_dcp_decode_reduction (Config::instance()->decode_reduction ());
 207                 _viewer->PlaybackPermitted.connect (bind(&DOMFrame::playback_permitted, this));
 208                 _viewer->Started.connect (bind(&DOMFrame::playback_started, this, _1));
 209                 _viewer->Stopped.connect (bind(&DOMFrame::playback_stopped, this, _1));
 210                 _info = new PlayerInformation (_overall_panel, _viewer);
 211                 setup_main_sizer (Config::instance()->player_mode());
 212 #ifdef __WXOSX__
 213                 int accelerators = 12;
 214 #else
 215                 int accelerators = 11;
 216 #endif
 217
 218                 _stress.setup (this, _controls);
 219
 220                 wxAcceleratorEntry* accel = new wxAcceleratorEntry[accelerators];
 221                 accel[0].Set(wxACCEL_NORMAL,                WXK_SPACE, ID_start_stop);
 222                 accel[1].Set(wxACCEL_NORMAL,                WXK_LEFT,  ID_go_back_frame);
 223                 accel[2].Set(wxACCEL_NORMAL,                WXK_RIGHT, ID_go_forward_frame);
 224                 accel[3].Set(wxACCEL_SHIFT,                 WXK_LEFT,  ID_go_back_small_amount);
 225                 accel[4].Set(wxACCEL_SHIFT,                 WXK_RIGHT, ID_go_forward_small_amount);
 226                 accel[5].Set(wxACCEL_CTRL,                  WXK_LEFT,  ID_go_back_medium_amount);
 227                 accel[6].Set(wxACCEL_CTRL,                  WXK_RIGHT, ID_go_forward_medium_amount);
 228                 accel[7].Set(wxACCEL_SHIFT | wxACCEL_CTRL,  WXK_LEFT,  ID_go_back_large_amount);
 229                 accel[8].Set(wxACCEL_SHIFT | wxACCEL_CTRL,  WXK_RIGHT, ID_go_forward_large_amount);
 230                 accel[9].Set(wxACCEL_NORMAL,                WXK_HOME,  ID_go_to_start);
 231                 accel[10].Set(wxACCEL_NORMAL,               WXK_END,   ID_go_to_end);
 232 #ifdef __WXOSX__
 233                 accel[11].Set(wxACCEL_CTRL, static_cast<int>('W'), ID_file_close);
 234 #endif
 235                 wxAcceleratorTable accel_table (accelerators, accel);
 236                 SetAcceleratorTable (accel_table);
 237                 delete[] accel;
 238
 239                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::start_stop_pressed, this), ID_start_stop);
 240                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_back_frame, this),      ID_go_back_frame);
 241                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_forward_frame, this),   ID_go_forward_frame);
 242                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   -60), ID_go_back_small_amount);
 243                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,    60), ID_go_forward_small_amount);
 244                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  -600), ID_go_back_medium_amount);
 245                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   600), ID_go_forward_medium_amount);
 246                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this, -3600), ID_go_back_large_amount);
 247                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  3600), ID_go_forward_large_amount);
 248                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_start, this), ID_go_to_start);
 249                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_end,   this), ID_go_to_end);
 250
 251                 reset_film ();
 252
 253                 UpdateChecker::instance()->StateChanged.connect (boost::bind (&DOMFrame::update_checker_state_changed, this));
 254                 setup_screen ();
 255
 256                 _stress.LoadDCP.connect (boost::bind(&DOMFrame::load_dcp, this, _1));
 257         }
 258
 259         void setup_main_sizer (Config::PlayerMode mode)
 260         {
 261                 _main_sizer->Detach (_viewer->panel());
 262                 _main_sizer->Detach (_controls);
 263                 _main_sizer->Detach (_info);
 264                 if (mode != Config::PLAYER_MODE_DUAL) {
 265                         _main_sizer->Add (_viewer->panel(), 1, wxEXPAND);
 266                 }
 267                 _main_sizer->Add (_controls, mode == Config::PLAYER_MODE_DUAL ? 1 : 0, wxEXPAND | wxALL, 6);
 268                 _main_sizer->Add (_info, 0, wxEXPAND | wxALL, 6);
 269                 _overall_panel->SetSizer (_main_sizer);
 270                 _overall_panel->Layout ();
 271         }
 272
 273         bool playback_permitted ()
 274         {
 275                 if (!_film || !Config::instance()->respect_kdm_validity_periods()) {
 276                         return true;
 277                 }
 278
 279                 bool ok = true;
 280                 BOOST_FOREACH (shared_ptr<Content> i, _film->content()) {
 281                         shared_ptr<DCPContent> d = dynamic_pointer_cast<DCPContent>(i);
 282                         if (d && !d->kdm_timing_window_valid()) {
 283                                 ok = false;
 284                         }
 285                 }
 286
 287                 if (!ok) {
 288                         error_dialog (this, _("The KDM does not allow playback of this content at this time."));
 289                 }
 290
 291                 return ok;
 292         }
 293
 294         void playback_started (DCPTime time)
 295         {
 296                 /* XXX: this only logs the first piece of content; probably should be each piece? */
 297                 if (_film->content().empty()) {
 298                         return;
 299                 }
 300
 301                 shared_ptr<DCPContent> dcp = dynamic_pointer_cast<DCPContent>(_film->content().front());
 302                 if (dcp) {
 303                         DCPExaminer ex (dcp, true);
 304                         shared_ptr<dcp::CPL> playing_cpl;
 305                         BOOST_FOREACH (shared_ptr<dcp::CPL> i, ex.cpls()) {
 306                                 if (!dcp->cpl() || i->id() == *dcp->cpl()) {
 307                                         playing_cpl = i;
 308                                 }
 309                         }
 310                         DCPOMATIC_ASSERT (playing_cpl);
 311
 312                         _controls->log (
 313                                 wxString::Format(
 314                                         "playback-started %s %s %s",
 315                                         time.timecode(_film->video_frame_rate()).c_str(),
 316                                         dcp->directories().front().string().c_str(),
 317                                         playing_cpl->annotation_text().c_str()
 318                                         )
 319                                 );
 320                 }
 321
 322                 shared_ptr<FFmpegContent> ffmpeg = dynamic_pointer_cast<FFmpegContent>(_film->content().front());
 323                 if (ffmpeg) {
 324                         _controls->log (
 325                                 wxString::Format(
 326                                         "playback-started %s %s",
 327                                         time.timecode(_film->video_frame_rate()).c_str(),
 328                                         ffmpeg->path(0).string().c_str()
 329                                         )
 330                                 );
 331                 }
 332         }
 333
 334         void playback_stopped (DCPTime time)
 335         {
 336                 _controls->log (wxString::Format("playback-stopped %s", time.timecode(_film->video_frame_rate()).c_str()));
 337         }
 338
 339         void set_decode_reduction (optional<int> reduction)
 340         {
 341                 _viewer->set_dcp_decode_reduction (reduction);
 342                 _info->triggered_update ();
 343                 Config::instance()->set_decode_reduction (reduction);
 344         }
 345
 346         void load_dcp (boost::filesystem::path dir)
 347         {
 348                 DCPOMATIC_ASSERT (_film);
 349
 350                 reset_film ();
 351                 try {
 352                         _stress.set_suspended (true);
 353                         shared_ptr<DCPContent> dcp (new DCPContent(dir));
 354                         shared_ptr<Job> job (new ExamineContentJob(_film, dcp));
 355                         _examine_job_connection = job->Finished.connect(bind(&DOMFrame::add_dcp_to_film, this, weak_ptr<Job>(job), weak_ptr<Content>(dcp)));
 356                         JobManager::instance()->add (job);
 357                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 358                         if (!ok || !report_errors_from_last_job(this)) {
 359                                 return;
 360                         }
 361                         Config::instance()->add_to_player_history (dir);
 362                 } catch (dcp::ReadError& e) {
 363                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 364                 } catch (DCPError& e) {
 365                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 366                 }
 367         }
 368
 369         void add_dcp_to_film (weak_ptr<Job> weak_job, weak_ptr<Content> weak_content)
 370         {
 371                 shared_ptr<Job> job = weak_job.lock ();
 372                 if (!job || !job->finished_ok()) {
 373                         return;
 374                 }
 375
 376                 shared_ptr<Content> content = weak_content.lock ();
 377                 if (!content) {
 378                         return;
 379                 }
 380
 381                 _film->add_content (content);
 382                 _stress.set_suspended (false);
 383         }
 384
 385         void reset_film_weak (weak_ptr<Film> weak_film)
 386         {
 387                 shared_ptr<Film> film = weak_film.lock ();
 388                 if (film) {
 389                         reset_film (film);
 390                 }
 391         }
 392
 393         void reset_film (shared_ptr<Film> film = shared_ptr<Film>(new Film(optional<boost::filesystem::path>())))
 394         {
 395                 _film = film;
 396                 _film->set_tolerant (true);
 397                 _film->set_audio_channels (MAX_DCP_AUDIO_CHANNELS);
 398                 _viewer->set_film (_film);
 399                 _controls->set_film (_film);
 400                 _film->Change.connect (bind(&DOMFrame::film_changed, this, _1, _2));
 401                 _info->triggered_update ();
 402         }
 403
 404         void film_changed (ChangeType type, Film::Property property)
 405         {
 406                 if (type != CHANGE_TYPE_DONE || property != Film::CONTENT) {
 407                         return;
 408                 }
 409
 410                 if (_viewer->playing ()) {
 411                         _viewer->stop ();
 412                 }
 413
 414                 /* Start off as Flat */
 415                 _film->set_container (Ratio::from_id("185"));
 416
 417                 BOOST_FOREACH (shared_ptr<Content> i, _film->content()) {
 418                         shared_ptr<DCPContent> dcp = dynamic_pointer_cast<DCPContent>(i);
 419
 420                         BOOST_FOREACH (shared_ptr<TextContent> j, i->text) {
 421                                 j->set_use (true);
 422                         }
 423
 424                         if (i->video) {
 425                                 Ratio const * r = Ratio::nearest_from_ratio(i->video->size().ratio());
 426                                 if (r->id() == "239") {
 427                                         /* Any scope content means we use scope */
 428                                         _film->set_container(r);
 429                                 }
 430                         }
 431
 432                         /* Any 3D content means we use 3D mode */
 433                         if (i->video && i->video->frame_type() != VIDEO_FRAME_TYPE_2D) {
 434                                 _film->set_three_d (true);
 435                         }
 436                 }
 437
 438                 _viewer->seek (DCPTime(), true);
 439                 _info->triggered_update ();
 440
 441                 set_menu_sensitivity ();
 442
 443                 wxMenuItemList old = _cpl_menu->GetMenuItems();
 444                 for (wxMenuItemList::iterator i = old.begin(); i != old.end(); ++i) {
 445                         _cpl_menu->Remove (*i);
 446                 }
 447
 448                 if (_film->content().size() == 1) {
 449                         /* Offer a CPL menu */
 450                         shared_ptr<DCPContent> first = dynamic_pointer_cast<DCPContent>(_film->content().front());
 451                         if (first) {
 452                                 DCPExaminer ex (first, true);
 453                                 int id = ID_view_cpl;
 454                                 BOOST_FOREACH (shared_ptr<dcp::CPL> i, ex.cpls()) {
 455                                         wxMenuItem* j = _cpl_menu->AppendRadioItem(
 456                                                 id,
 457                                                 wxString::Format("%s (%s)", std_to_wx(i->annotation_text()).data(), std_to_wx(i->id()).data())
 458                                                 );
 459                                         j->Check(!first->cpl() || i->id() == *first->cpl());
 460                                         ++id;
 461                                 }
 462                         }
 463                 }
 464         }
 465
 466         void load_stress_script (boost::filesystem::path path)
 467         {
 468                 _stress.load_script (path);
 469         }
 470
 471 private:
 472
 473         bool report_errors_from_last_job (wxWindow* parent) const
 474         {
 475                 JobManager* jm = JobManager::instance ();
 476
 477                 DCPOMATIC_ASSERT (!jm->get().empty());
 478
 479                 shared_ptr<Job> last = jm->get().back();
 480                 if (last->finished_in_error()) {
 481                         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()));
 482                         return false;
 483                 }
 484
 485                 return true;
 486         }
 487
 488         void setup_menu (wxMenuBar* m)
 489         {
 490                 _file_menu = new wxMenu;
 491                 _file_menu->Append (ID_file_open, _("&Open...\tCtrl-O"));
 492                 _file_add_ov = _file_menu->Append (ID_file_add_ov, _("&Add OV..."));
 493                 _file_add_kdm = _file_menu->Append (ID_file_add_kdm, _("Add &KDM..."));
 494
 495                 _history_position = _file_menu->GetMenuItems().GetCount();
 496
 497                 _file_menu->AppendSeparator ();
 498                 _file_menu->Append (ID_file_close, _("&Close"));
 499                 _file_menu->AppendSeparator ();
 500
 501 #ifdef __WXOSX__
 502                 _file_menu->Append (wxID_EXIT, _("&Exit"));
 503 #else
 504                 _file_menu->Append (wxID_EXIT, _("&Quit"));
 505 #endif
 506
 507 #ifdef __WXOSX__
 508                 wxMenuItem* prefs = _file_menu->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 509 #else
 510                 wxMenu* edit = new wxMenu;
 511                 wxMenuItem* prefs = edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 512 #endif
 513
 514                 prefs->Enable (Config::instance()->have_write_permission());
 515
 516                 _cpl_menu = new wxMenu;
 517
 518                 wxMenu* view = new wxMenu;
 519                 optional<int> c = Config::instance()->decode_reduction();
 520                 _view_cpl = view->Append(ID_view_cpl, _("CPL"), _cpl_menu);
 521                 view->AppendSeparator();
 522                 _view_full_screen = view->AppendCheckItem(ID_view_full_screen, _("Full screen\tF11"));
 523                 _view_dual_screen = view->AppendCheckItem(ID_view_dual_screen, _("Dual screen\tShift+F11"));
 524                 setup_menu ();
 525                 view->AppendSeparator();
 526                 view->Append(ID_view_closed_captions, _("Closed captions..."));
 527                 view->AppendSeparator();
 528                 view->AppendRadioItem(ID_view_scale_appropriate, _("Set decode resolution to match display"))->Check(!static_cast<bool>(c));
 529                 view->AppendRadioItem(ID_view_scale_full, _("Decode at full resolution"))->Check(c && c.get() == 0);
 530                 view->AppendRadioItem(ID_view_scale_half, _("Decode at half resolution"))->Check(c && c.get() == 1);
 531                 view->AppendRadioItem(ID_view_scale_quarter, _("Decode at quarter resolution"))->Check(c && c.get() == 2);
 532
 533                 wxMenu* tools = new wxMenu;
 534                 _tools_verify = tools->Append (ID_tools_verify, _("Verify DCP"));
 535                 tools->AppendSeparator ();
 536                 tools->Append (ID_tools_check_for_updates, _("Check for updates"));
 537                 tools->Append (ID_tools_timing, _("Timing..."));
 538                 tools->Append (ID_tools_system_information, _("System information..."));
 539
 540                 wxMenu* help = new wxMenu;
 541 #ifdef __WXOSX__
 542                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 543 #else
 544                 help->Append (wxID_ABOUT, _("About"));
 545 #endif
 546                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 547
 548                 m->Append (_file_menu, _("&File"));
 549 #ifndef __WXOSX__
 550                 m->Append (edit, _("&Edit"));
 551 #endif
 552                 m->Append (view, _("&View"));
 553                 m->Append (tools, _("&Tools"));
 554                 m->Append (help, _("&Help"));
 555         }
 556
 557         void file_open ()
 558         {
 559                 wxString d = wxStandardPaths::Get().GetDocumentsDir();
 560                 if (Config::instance()->last_player_load_directory()) {
 561                         d = std_to_wx (Config::instance()->last_player_load_directory()->string());
 562                 }
 563
 564                 wxDirDialog* c = new wxDirDialog (this, _("Select DCP to open"), d, wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST);
 565
 566                 int r;
 567                 while (true) {
 568                         r = c->ShowModal ();
 569                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 570                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 571                         } else {
 572                                 break;
 573                         }
 574                 }
 575
 576                 if (r == wxID_OK) {
 577                         boost::filesystem::path const dcp (wx_to_std (c->GetPath ()));
 578                         load_dcp (dcp);
 579                         Config::instance()->set_last_player_load_directory (dcp.parent_path());
 580                 }
 581
 582                 c->Destroy ();
 583         }
 584
 585         void file_add_ov ()
 586         {
 587                 wxDirDialog* c = new wxDirDialog (
 588                         this,
 589                         _("Select DCP to open as OV"),
 590                         wxStandardPaths::Get().GetDocumentsDir(),
 591                         wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST
 592                         );
 593
 594                 int r;
 595                 while (true) {
 596                         r = c->ShowModal ();
 597                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 598                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 599                         } else {
 600                                 break;
 601                         }
 602                 }
 603
 604                 if (r == wxID_OK) {
 605                         DCPOMATIC_ASSERT (_film);
 606                         shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
 607                         DCPOMATIC_ASSERT (dcp);
 608                         dcp->add_ov (wx_to_std(c->GetPath()));
 609                         JobManager::instance()->add(shared_ptr<Job>(new ExamineContentJob (_film, dcp)));
 610                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 611                         if (!ok || !report_errors_from_last_job(this)) {
 612                                 return;
 613                         }
 614                         BOOST_FOREACH (shared_ptr<TextContent> i, dcp->text) {
 615                                 i->set_use (true);
 616                         }
 617                         if (dcp->video) {
 618                                 Ratio const * r = Ratio::nearest_from_ratio(dcp->video->size().ratio());
 619                                 if (r) {
 620                                         _film->set_container(r);
 621                                 }
 622                         }
 623                 }
 624
 625                 c->Destroy ();
 626                 _info->triggered_update ();
 627         }
 628
 629         void file_add_kdm ()
 630         {
 631                 wxFileDialog* d = new wxFileDialog (this, _("Select KDM"));
 632
 633                 if (d->ShowModal() == wxID_OK) {
 634                         DCPOMATIC_ASSERT (_film);
 635                         shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
 636                         DCPOMATIC_ASSERT (dcp);
 637                         try {
 638                                 if (dcp) {
 639                                         dcp->add_kdm (dcp::EncryptedKDM(dcp::file_to_string(wx_to_std(d->GetPath()), MAX_KDM_SIZE)));
 640                                         dcp->examine (_film, shared_ptr<Job>());
 641                                 }
 642                         } catch (exception& e) {
 643                                 error_dialog (this, wxString::Format (_("Could not load KDM.")), std_to_wx(e.what()));
 644                                 d->Destroy ();
 645                                 return;
 646                         }
 647                 }
 648
 649                 d->Destroy ();
 650                 _info->triggered_update ();
 651         }
 652
 653         void file_history (wxCommandEvent& event)
 654         {
 655                 vector<boost::filesystem::path> history = Config::instance()->player_history ();
 656                 int n = event.GetId() - ID_file_history;
 657                 if (n >= 0 && n < static_cast<int> (history.size ())) {
 658                         try {
 659                                 load_dcp (history[n]);
 660                         } catch (exception& e) {
 661                                 error_dialog (0, std_to_wx(String::compose(wx_to_std(_("Could not load DCP %1.")), history[n])), std_to_wx(e.what()));
 662                         }
 663                 }
 664         }
 665
 666         void file_close ()
 667         {
 668                 reset_film ();
 669                 _info->triggered_update ();
 670                 set_menu_sensitivity ();
 671         }
 672
 673         void file_exit ()
 674         {
 675                 Close ();
 676         }
 677
 678         void edit_preferences ()
 679         {
 680                 if (!Config::instance()->have_write_permission()) {
 681                         return;
 682                 }
 683
 684                 if (!_config_dialog) {
 685                         _config_dialog = create_player_config_dialog ();
 686                 }
 687                 _config_dialog->Show (this);
 688         }
 689
 690         void view_cpl (wxCommandEvent& ev)
 691         {
 692                 shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
 693                 DCPOMATIC_ASSERT (dcp);
 694                 DCPExaminer ex (dcp, true);
 695                 int id = ev.GetId() - ID_view_cpl;
 696                 DCPOMATIC_ASSERT (id >= 0);
 697                 DCPOMATIC_ASSERT (id < int(ex.cpls().size()));
 698                 list<shared_ptr<dcp::CPL> > cpls = ex.cpls();
 699                 list<shared_ptr<dcp::CPL> >::iterator i = cpls.begin();
 700                 while (id > 0) {
 701                         ++i;
 702                         --id;
 703                 }
 704
 705                 dcp->set_cpl ((*i)->id());
 706                 dcp->examine (_film, shared_ptr<Job>());
 707                 _info->triggered_update ();
 708         }
 709
 710         void view_full_screen ()
 711         {
 712                 if (_mode == Config::PLAYER_MODE_FULL) {
 713                         _mode = Config::PLAYER_MODE_WINDOW;
 714                 } else {
 715                         _mode = Config::PLAYER_MODE_FULL;
 716                 }
 717                 setup_screen ();
 718                 setup_menu ();
 719         }
 720
 721         void view_dual_screen ()
 722         {
 723                 if (_mode == Config::PLAYER_MODE_DUAL) {
 724                         _mode = Config::PLAYER_MODE_WINDOW;
 725                 } else {
 726                         _mode = Config::PLAYER_MODE_DUAL;
 727                 }
 728                 setup_screen ();
 729                 setup_menu ();
 730         }
 731
 732         void setup_menu ()
 733         {
 734                 if (_view_full_screen) {
 735                         _view_full_screen->Check (_mode == Config::PLAYER_MODE_FULL);
 736                 }
 737                 if (_view_dual_screen) {
 738                         _view_dual_screen->Check (_mode == Config::PLAYER_MODE_DUAL);
 739                 }
 740         }
 741
 742         void setup_screen ()
 743         {
 744                 _controls->Show (_mode != Config::PLAYER_MODE_FULL);
 745                 _info->Show (_mode != Config::PLAYER_MODE_FULL);
 746                 _overall_panel->SetBackgroundColour (_mode == Config::PLAYER_MODE_FULL ? wxColour(0, 0, 0) : wxNullColour);
 747                 ShowFullScreen (_mode == Config::PLAYER_MODE_FULL);
 748                 _viewer->set_pad_black (_mode != Config::PLAYER_MODE_WINDOW);
 749
 750                 if (_mode == Config::PLAYER_MODE_DUAL) {
 751                         _dual_screen = new wxFrame (this, wxID_ANY, wxT(""));
 752                         _dual_screen->SetBackgroundColour (wxColour(0, 0, 0));
 753                         _dual_screen->ShowFullScreen (true);
 754                         _viewer->panel()->Reparent (_dual_screen);
 755                         _dual_screen->Show ();
 756                         if (wxDisplay::GetCount() > 1) {
 757                                 switch (Config::instance()->image_display()) {
 758                                 case 0:
 759                                         _dual_screen->Move (0, 0);
 760                                         Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
 761                                         break;
 762                                 case 1:
 763                                         _dual_screen->Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
 764                                         // (0, 0) doesn't seem to work for some strange reason
 765                                         Move (8, 8);
 766                                         break;
 767                                 }
 768                         }
 769                 } else {
 770                         if (_dual_screen) {
 771                                 _viewer->panel()->Reparent (_overall_panel);
 772                                 _dual_screen->Destroy ();
 773                                 _dual_screen = 0;
 774                         }
 775                 }
 776
 777                 setup_main_sizer (_mode);
 778         }
 779
 780         void view_closed_captions ()
 781         {
 782                 _viewer->show_closed_captions ();
 783         }
 784
 785         void tools_verify ()
 786         {
 787                 shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
 788                 DCPOMATIC_ASSERT (dcp);
 789
 790                 JobManager* jm = JobManager::instance ();
 791                 jm->add (shared_ptr<Job> (new VerifyDCPJob (dcp->directories())));
 792                 bool const ok = display_progress (_("DCP-o-matic Player"), _("Verifying DCP"));
 793                 if (!ok) {
 794                         return;
 795                 }
 796
 797                 DCPOMATIC_ASSERT (!jm->get().empty());
 798                 shared_ptr<VerifyDCPJob> last = dynamic_pointer_cast<VerifyDCPJob> (jm->get().back());
 799                 DCPOMATIC_ASSERT (last);
 800
 801                 VerifyDCPDialog* d = new VerifyDCPDialog (this, last);
 802                 d->ShowModal ();
 803                 d->Destroy ();
 804         }
 805
 806         void tools_check_for_updates ()
 807         {
 808                 UpdateChecker::instance()->run ();
 809                 _update_news_requested = true;
 810         }
 811
 812         void tools_timing ()
 813         {
 814                 TimerDisplay* d = new TimerDisplay (this, _viewer->state_timer(), _viewer->gets());
 815                 d->ShowModal ();
 816                 d->Destroy ();
 817         }
 818
 819         void tools_system_information ()
 820         {
 821                 if (!_system_information_dialog) {
 822                         _system_information_dialog = new SystemInformationDialog (this, _viewer);
 823                 }
 824
 825                 _system_information_dialog->Show ();
 826         }
 827
 828         void help_about ()
 829         {
 830                 AboutDialog* d = new AboutDialog (this);
 831                 d->ShowModal ();
 832                 d->Destroy ();
 833         }
 834
 835         void help_report_a_problem ()
 836         {
 837                 ReportProblemDialog* d = new ReportProblemDialog (this);
 838                 if (d->ShowModal () == wxID_OK) {
 839                         d->report ();
 840                 }
 841                 d->Destroy ();
 842         }
 843
 844         void update_checker_state_changed ()
 845         {
 846                 UpdateChecker* uc = UpdateChecker::instance ();
 847
 848                 bool const announce =
 849                         _update_news_requested ||
 850                         (uc->stable() && Config::instance()->check_for_updates()) ||
 851                         (uc->test() && Config::instance()->check_for_updates() && Config::instance()->check_for_test_updates());
 852
 853                 _update_news_requested = false;
 854
 855                 if (!announce) {
 856                         return;
 857                 }
 858
 859                 if (uc->state() == UpdateChecker::YES) {
 860                         UpdateDialog* dialog = new UpdateDialog (this, uc->stable (), uc->test ());
 861                         dialog->ShowModal ();
 862                         dialog->Destroy ();
 863                 } else if (uc->state() == UpdateChecker::FAILED) {
 864                         error_dialog (this, _("The DCP-o-matic download server could not be contacted."));
 865                 } else {
 866                         error_dialog (this, _("There are no new versions of DCP-o-matic available."));
 867                 }
 868
 869                 _update_news_requested = false;
 870         }
 871
 872         void config_changed (Config::Property prop)
 873         {
 874                 /* Instantly save any config changes when using the player GUI */
 875                 try {
 876                         Config::instance()->write_config();
 877                 } catch (FileError& e) {
 878                         if (prop != Config::HISTORY) {
 879                                 error_dialog (
 880                                         this,
 881                                         wxString::Format(
 882                                                 _("Could not write to config file at %s.  Your changes have not been saved."),
 883                                                 std_to_wx(e.file().string())
 884                                                 )
 885                                         );
 886                         }
 887                 } catch (exception& e) {
 888                         error_dialog (
 889                                 this,
 890                                 _("Could not write to config file.  Your changes have not been saved.")
 891                                 );
 892                 }
 893
 894                 update_from_config (prop);
 895         }
 896
 897         void update_from_config (Config::Property prop)
 898         {
 899                 for (int i = 0; i < _history_items; ++i) {
 900                         delete _file_menu->Remove (ID_file_history + i);
 901                 }
 902
 903                 if (_history_separator) {
 904                         _file_menu->Remove (_history_separator);
 905                 }
 906                 delete _history_separator;
 907                 _history_separator = 0;
 908
 909                 int pos = _history_position;
 910
 911                 /* Clear out non-existant history items before we re-build the menu */
 912                 Config::instance()->clean_player_history ();
 913                 vector<boost::filesystem::path> history = Config::instance()->player_history ();
 914
 915                 if (!history.empty ()) {
 916                         _history_separator = _file_menu->InsertSeparator (pos++);
 917                 }
 918
 919                 for (size_t i = 0; i < history.size(); ++i) {
 920                         string s;
 921                         if (i < 9) {
 922                                 s = String::compose ("&%1 %2", i + 1, history[i].string());
 923                         } else {
 924                                 s = history[i].string();
 925                         }
 926                         _file_menu->Insert (pos++, ID_file_history + i, std_to_wx (s));
 927                 }
 928
 929                 _history_items = history.size ();
 930
 931                 if (prop == Config::PLAYER_DEBUG_LOG) {
 932                         optional<boost::filesystem::path> p = Config::instance()->player_debug_log_file();
 933                         if (p) {
 934                                 dcpomatic_log.reset (new FileLog(*p));
 935                         } else {
 936                                 dcpomatic_log.reset (new NullLog());
 937                         }
 938                         dcpomatic_log->set_types (LogEntry::TYPE_GENERAL | LogEntry::TYPE_WARNING | LogEntry::TYPE_ERROR | LogEntry::TYPE_DEBUG_VIDEO_VIEW);
 939                 }
 940         }
 941
 942         void set_menu_sensitivity ()
 943         {
 944                 _tools_verify->Enable (static_cast<bool>(_film));
 945                 _file_add_ov->Enable (static_cast<bool>(_film));
 946                 _file_add_kdm->Enable (static_cast<bool>(_film));
 947                 _view_cpl->Enable (static_cast<bool>(_film));
 948         }
 949
 950         void start_stop_pressed ()
 951         {
 952                 if (_viewer->playing()) {
 953                         _viewer->stop();
 954                 } else {
 955                         _viewer->start();
 956                 }
 957         }
 958
 959         void go_back_frame ()
 960         {
 961                 _viewer->seek_by (-_viewer->one_video_frame(), true);
 962         }
 963
 964         void go_forward_frame ()
 965         {
 966                 _viewer->seek_by (_viewer->one_video_frame(), true);
 967         }
 968
 969         void go_seconds (int s)
 970         {
 971                 _viewer->seek_by (DCPTime::from_seconds(s), true);
 972         }
 973
 974         void go_to_start ()
 975         {
 976                 _viewer->seek (DCPTime(), true);
 977         }
 978
 979         void go_to_end ()
 980         {
 981                 _viewer->seek (_film->length() - _viewer->one_video_frame(), true);
 982         }
 983
 984         wxFrame* _dual_screen;
 985         bool _update_news_requested;
 986         PlayerInformation* _info;
 987         Config::PlayerMode _mode;
 988         wxPreferencesEditor* _config_dialog;
 989         wxPanel* _overall_panel;
 990         wxMenu* _file_menu;
 991         wxMenuItem* _view_cpl;
 992         wxMenu* _cpl_menu;
 993         int _history_items;
 994         int _history_position;
 995         wxMenuItem* _history_separator;
 996         shared_ptr<FilmViewer> _viewer;
 997         Controls* _controls;
 998         SystemInformationDialog* _system_information_dialog;
 999         boost::shared_ptr<Film> _film;
1000         boost::signals2::scoped_connection _config_changed_connection;
1001         boost::signals2::scoped_connection _examine_job_connection;
1002         wxMenuItem* _file_add_ov;
1003         wxMenuItem* _file_add_kdm;
1004         wxMenuItem* _tools_verify;
1005         wxMenuItem* _view_full_screen;
1006         wxMenuItem* _view_dual_screen;
1007         wxSizer* _main_sizer;
1008         PlayerStressTester _stress;
1009 };
1010
1011 static const wxCmdLineEntryDesc command_line_description[] = {
1012         { wxCMD_LINE_PARAM, 0, 0, "DCP to load or create", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1013         { wxCMD_LINE_OPTION, "c", "config", "Directory containing config.xml", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1014         { wxCMD_LINE_OPTION, "s", "stress", "File containing description of stress test", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1015         { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
1016 };
1017
1018 class PlayServer : public Server
1019 {
1020 public:
1021         explicit PlayServer (DOMFrame* frame)
1022                 : Server (PLAYER_PLAY_PORT)
1023                 , _frame (frame)
1024         {}
1025
1026         void handle (shared_ptr<Socket> socket)
1027         {
1028                 try {
1029                         int const length = socket->read_uint32 ();
1030                         scoped_array<char> buffer (new char[length]);
1031                         socket->read (reinterpret_cast<uint8_t*> (buffer.get()), length);
1032                         string s (buffer.get());
1033                         signal_manager->when_idle (bind (&DOMFrame::load_dcp, _frame, s));
1034                         socket->write (reinterpret_cast<uint8_t const *> ("OK"), 3);
1035                 } catch (...) {
1036
1037                 }
1038         }
1039
1040 private:
1041         DOMFrame* _frame;
1042 };
1043
1044 /** @class App
1045  *  @brief The magic App class for wxWidgets.
1046  */
1047 class App : public wxApp
1048 {
1049 public:
1050         App ()
1051                 : wxApp ()
1052                 , _frame (0)
1053         {
1054 #ifdef DCPOMATIC_LINUX
1055                 XInitThreads ();
1056 #endif
1057         }
1058
1059 private:
1060
1061         bool OnInit ()
1062         {
1063                 wxSplashScreen* splash = 0;
1064                 try {
1065                         wxInitAllImageHandlers ();
1066
1067                         Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
1068                         Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
1069
1070                         splash = maybe_show_splash ();
1071
1072                         SetAppName (_("DCP-o-matic Player"));
1073
1074                         if (!wxApp::OnInit()) {
1075                                 return false;
1076                         }
1077
1078 #ifdef DCPOMATIC_LINUX
1079                         unsetenv ("UBUNTU_MENUPROXY");
1080 #endif
1081
1082 #ifdef DCPOMATIC_OSX
1083                         make_foreground_application ();
1084 #endif
1085
1086                         dcpomatic_setup_path_encoding ();
1087
1088                         /* Enable i18n; this will create a Config object
1089                            to look for a force-configured language.  This Config
1090                            object will be wrong, however, because dcpomatic_setup
1091                            hasn't yet been called and there aren't any filters etc.
1092                            set up yet.
1093                         */
1094                         dcpomatic_setup_i18n ();
1095
1096                         /* Set things up, including filters etc.
1097                            which will now be internationalised correctly.
1098                         */
1099                         dcpomatic_setup ();
1100
1101                         /* Force the configuration to be re-loaded correctly next
1102                            time it is needed.
1103                         */
1104                         Config::drop ();
1105
1106                         signal_manager = new wxSignalManager (this);
1107
1108                         _frame = new DOMFrame ();
1109                         SetTopWindow (_frame);
1110                         _frame->Maximize ();
1111                         if (splash) {
1112                                 splash->Destroy ();
1113                                 splash = 0;
1114                         }
1115                         _frame->Show ();
1116
1117                         PlayServer* server = new PlayServer (_frame);
1118                         new thread (boost::bind (&PlayServer::run, server));
1119
1120                         if (!_dcp_to_load.empty() && boost::filesystem::is_directory (_dcp_to_load)) {
1121                                 try {
1122                                         _frame->load_dcp (_dcp_to_load);
1123                                 } catch (exception& e) {
1124                                         error_dialog (0, std_to_wx (String::compose (wx_to_std (_("Could not load DCP %1.")), _dcp_to_load)), std_to_wx(e.what()));
1125                                 }
1126                         }
1127
1128                         if (_stress) {
1129                                 try {
1130                                         _frame->load_stress_script (*_stress);
1131                                 } catch (exception& e) {
1132                                         error_dialog (0, wxString::Format("Could not load stress test file %s", std_to_wx(*_stress)));
1133                                 }
1134                         }
1135
1136                         Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
1137
1138                         if (Config::instance()->check_for_updates ()) {
1139                                 UpdateChecker::instance()->run ();
1140                         }
1141                 }
1142                 catch (exception& e)
1143                 {
1144                         if (splash) {
1145                                 splash->Destroy ();
1146                         }
1147                         error_dialog (0, _("DCP-o-matic Player could not start."), std_to_wx(e.what()));
1148                 }
1149
1150                 return true;
1151         }
1152
1153         void OnInitCmdLine (wxCmdLineParser& parser)
1154         {
1155                 parser.SetDesc (command_line_description);
1156                 parser.SetSwitchChars (wxT ("-"));
1157         }
1158
1159         bool OnCmdLineParsed (wxCmdLineParser& parser)
1160         {
1161                 if (parser.GetParamCount() > 0) {
1162                         _dcp_to_load = wx_to_std (parser.GetParam (0));
1163                 }
1164
1165                 wxString config;
1166                 if (parser.Found("c", &config)) {
1167                         Config::override_path = wx_to_std (config);
1168                 }
1169                 wxString stress;
1170                 if (parser.Found("s", &stress)) {
1171                         _stress = wx_to_std (stress);
1172                 }
1173
1174                 return true;
1175         }
1176
1177         void report_exception ()
1178         {
1179                 try {
1180                         throw;
1181                 } catch (FileError& e) {
1182                         error_dialog (
1183                                 0,
1184                                 wxString::Format (
1185                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
1186                                         std_to_wx (e.what()),
1187                                         std_to_wx (e.file().string().c_str ())
1188                                         )
1189                                 );
1190                 } catch (exception& e) {
1191                         error_dialog (
1192                                 0,
1193                                 wxString::Format (
1194                                         _("An exception occurred: %s.\n\n") + REPORT_PROBLEM,
1195                                         std_to_wx (e.what ())
1196                                         )
1197                                 );
1198                 } catch (...) {
1199                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
1200                 }
1201         }
1202
1203         /* An unhandled exception has occurred inside the main event loop */
1204         bool OnExceptionInMainLoop ()
1205         {
1206                 report_exception ();
1207                 /* This will terminate the program */
1208                 return false;
1209         }
1210
1211         void OnUnhandledException ()
1212         {
1213                 report_exception ();
1214         }
1215
1216         void idle ()
1217         {
1218                 signal_manager->ui_idle ();
1219         }
1220
1221         void config_failed_to_load ()
1222         {
1223                 message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
1224         }
1225
1226         void config_warning (string m)
1227         {
1228                 message_dialog (_frame, std_to_wx (m));
1229         }
1230
1231         DOMFrame* _frame;
1232         string _dcp_to_load;
1233         boost::optional<string> _stress;
1234 };
1235
1236 IMPLEMENT_APP (App)