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 "wx/nag_dialog.h"
  37 #include "lib/cross.h"
  38 #include "lib/config.h"
  39 #include "lib/util.h"
  40 #include "lib/internet.h"
  41 #include "lib/update_checker.h"
  42 #include "lib/compose.hpp"
  43 #include "lib/dcp_content.h"
  44 #include "lib/job_manager.h"
  45 #include "lib/job.h"
  46 #include "lib/film.h"
  47 #include "lib/null_log.h"
  48 #include "lib/video_content.h"
  49 #include "lib/text_content.h"
  50 #include "lib/ratio.h"
  51 #include "lib/verify_dcp_job.h"
  52 #include "lib/dcp_examiner.h"
  53 #include "lib/examine_content_job.h"
  54 #include "lib/server.h"
  55 #include "lib/dcpomatic_socket.h"
  56 #include "lib/scoped_temporary.h"
  57 #include "lib/ffmpeg_content.h"
  58 #include "lib/dcpomatic_log.h"
  59 #include "lib/file_log.h"
  60 #include <dcp/cpl.h>
  61 #include <dcp/dcp.h>
  62 #include <dcp/raw_convert.h>
  63 #include <dcp/exceptions.h>
  64 #include <wx/wx.h>
  65 #include <wx/stdpaths.h>
  66 #include <wx/splash.h>
  67 #include <wx/cmdline.h>
  68 #include <wx/preferences.h>
  69 #include <wx/progdlg.h>
  70 #include <wx/display.h>
  71 #ifdef __WXGTK__
  72 #include <X11/Xlib.h>
  73 #endif
  74 #include <boost/bind/bind.hpp>
  75 #include <boost/algorithm/string.hpp>
  76 #include <iostream>
  77
  78 #ifdef check
  79 #undef check
  80 #endif
  81
  82 #define MAX_CPLS 32
  83
  84 using std::cout;
  85 using std::dynamic_pointer_cast;
  86 using std::exception;
  87 using std::list;
  88 using std::make_shared;
  89 using std::shared_ptr;
  90 using std::string;
  91 using std::vector;
  92 using std::weak_ptr;
  93 using boost::scoped_array;
  94 using boost::optional;
  95 using boost::thread;
  96 using boost::bind;
  97 #if BOOST_VERSION >= 106100
  98 using namespace boost::placeholders;
  99 #endif
 100 using dcp::raw_convert;
 101 using namespace dcpomatic;
 102
 103 enum {
 104         ID_file_open = 1,
 105         ID_file_add_ov,
 106         ID_file_add_kdm,
 107         ID_file_history,
 108         /* Allow spare IDs after _history for the recent files list */
 109         ID_file_close = 100,
 110         ID_view_cpl,
 111         /* Allow spare IDs for CPLs */
 112         ID_view_full_screen = 200,
 113         ID_view_dual_screen,
 114         ID_view_closed_captions,
 115         ID_view_scale_appropriate,
 116         ID_view_scale_full,
 117         ID_view_scale_half,
 118         ID_view_scale_quarter,
 119         ID_help_report_a_problem,
 120         ID_tools_verify,
 121         ID_tools_check_for_updates,
 122         ID_tools_timing,
 123         ID_tools_system_information,
 124         /* IDs for shortcuts (with no associated menu item) */
 125         ID_start_stop,
 126         ID_go_back_frame,
 127         ID_go_forward_frame,
 128         ID_go_back_small_amount,
 129         ID_go_forward_small_amount,
 130         ID_go_back_medium_amount,
 131         ID_go_forward_medium_amount,
 132         ID_go_back_large_amount,
 133         ID_go_forward_large_amount,
 134         ID_go_to_start,
 135         ID_go_to_end
 136 };
 137
 138 class DOMFrame : public wxFrame
 139 {
 140 public:
 141         DOMFrame ()
 142                 : wxFrame (0, -1, _("DCP-o-matic Player"))
 143                 , _dual_screen (0)
 144                 , _update_news_requested (false)
 145                 , _info (0)
 146                 , _mode (Config::instance()->player_mode())
 147                 , _config_dialog (0)
 148                 , _file_menu (0)
 149                 , _history_items (0)
 150                 , _history_position (0)
 151                 , _history_separator (0)
 152                 , _system_information_dialog (0)
 153                 , _view_full_screen (0)
 154                 , _view_dual_screen (0)
 155                 , _main_sizer (new wxBoxSizer (wxVERTICAL))
 156         {
 157                 dcpomatic_log = make_shared<NullLog>();
 158
 159 #if defined(DCPOMATIC_WINDOWS)
 160                 maybe_open_console ();
 161                 cout << "DCP-o-matic Player is starting." << "\n";
 162 #endif
 163
 164                 auto bar = new wxMenuBar;
 165                 setup_menu (bar);
 166                 set_menu_sensitivity ();
 167                 SetMenuBar (bar);
 168
 169 #ifdef DCPOMATIC_WINDOWS
 170                 SetIcon (wxIcon (std_to_wx ("id")));
 171 #endif
 172
 173                 _config_changed_connection = Config::instance()->Changed.connect (boost::bind (&DOMFrame::config_changed, this, _1));
 174                 update_from_config (Config::PLAYER_DEBUG_LOG);
 175
 176                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_open, this), ID_file_open);
 177                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_ov, this), ID_file_add_ov);
 178                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_kdm, this), ID_file_add_kdm);
 179                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_history, this, _1), ID_file_history, ID_file_history + HISTORY_SIZE);
 180                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_close, this), ID_file_close);
 181                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this), wxID_EXIT);
 182                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this), wxID_PREFERENCES);
 183                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_full_screen, this), ID_view_full_screen);
 184                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_dual_screen, this), ID_view_dual_screen);
 185                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_closed_captions, this), ID_view_closed_captions);
 186                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_cpl, this, _1), ID_view_cpl, ID_view_cpl + MAX_CPLS);
 187                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(0)), ID_view_scale_full);
 188                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(1)), ID_view_scale_half);
 189                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(2)), ID_view_scale_quarter);
 190                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this), wxID_ABOUT);
 191                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this), ID_help_report_a_problem);
 192                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_verify, this), ID_tools_verify);
 193                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_check_for_updates, this), ID_tools_check_for_updates);
 194                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_timing, this), ID_tools_timing);
 195                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_system_information, this), ID_tools_system_information);
 196
 197                 /* Use a panel as the only child of the Frame so that we avoid
 198                    the dark-grey background on Windows.
 199                 */
 200                 _overall_panel = new wxPanel (this, wxID_ANY);
 201
 202                 _viewer.reset (new FilmViewer (_overall_panel));
 203                 if (Config::instance()->player_mode() == Config::PLAYER_MODE_DUAL) {
 204                         auto pc = new PlaylistControls (_overall_panel, _viewer);
 205                         _controls = pc;
 206                         pc->ResetFilm.connect (bind(&DOMFrame::reset_film_weak, this, _1));
 207                 } else {
 208                         _controls = new StandardControls (_overall_panel, _viewer, false);
 209                 }
 210                 _viewer->set_dcp_decode_reduction (Config::instance()->decode_reduction ());
 211                 _viewer->PlaybackPermitted.connect (bind(&DOMFrame::playback_permitted, this));
 212                 _viewer->Started.connect (bind(&DOMFrame::playback_started, this, _1));
 213                 _viewer->Stopped.connect (bind(&DOMFrame::playback_stopped, this, _1));
 214                 _viewer->TooManyDropped.connect (bind(&DOMFrame::too_many_frames_dropped, this));
 215                 _info = new PlayerInformation (_overall_panel, _viewer);
 216                 setup_main_sizer (Config::instance()->player_mode());
 217 #ifdef __WXOSX__
 218                 int accelerators = 12;
 219 #else
 220                 int accelerators = 11;
 221 #endif
 222
 223                 _stress.setup (this, _controls);
 224
 225                 wxAcceleratorEntry* accel = new wxAcceleratorEntry[accelerators];
 226                 accel[0].Set(wxACCEL_NORMAL,                WXK_SPACE, ID_start_stop);
 227                 accel[1].Set(wxACCEL_NORMAL,                WXK_LEFT,  ID_go_back_frame);
 228                 accel[2].Set(wxACCEL_NORMAL,                WXK_RIGHT, ID_go_forward_frame);
 229                 accel[3].Set(wxACCEL_SHIFT,                 WXK_LEFT,  ID_go_back_small_amount);
 230                 accel[4].Set(wxACCEL_SHIFT,                 WXK_RIGHT, ID_go_forward_small_amount);
 231                 accel[5].Set(wxACCEL_CTRL,                  WXK_LEFT,  ID_go_back_medium_amount);
 232                 accel[6].Set(wxACCEL_CTRL,                  WXK_RIGHT, ID_go_forward_medium_amount);
 233                 accel[7].Set(wxACCEL_SHIFT | wxACCEL_CTRL,  WXK_LEFT,  ID_go_back_large_amount);
 234                 accel[8].Set(wxACCEL_SHIFT | wxACCEL_CTRL,  WXK_RIGHT, ID_go_forward_large_amount);
 235                 accel[9].Set(wxACCEL_NORMAL,                WXK_HOME,  ID_go_to_start);
 236                 accel[10].Set(wxACCEL_NORMAL,               WXK_END,   ID_go_to_end);
 237 #ifdef __WXOSX__
 238                 accel[11].Set(wxACCEL_CTRL, static_cast<int>('W'), ID_file_close);
 239 #endif
 240                 wxAcceleratorTable accel_table (accelerators, accel);
 241                 SetAcceleratorTable (accel_table);
 242                 delete[] accel;
 243
 244                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::start_stop_pressed, this), ID_start_stop);
 245                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_back_frame, this),      ID_go_back_frame);
 246                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_forward_frame, this),   ID_go_forward_frame);
 247                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   -60), ID_go_back_small_amount);
 248                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,    60), ID_go_forward_small_amount);
 249                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  -600), ID_go_back_medium_amount);
 250                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   600), ID_go_forward_medium_amount);
 251                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this, -3600), ID_go_back_large_amount);
 252                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  3600), ID_go_forward_large_amount);
 253                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_start, this), ID_go_to_start);
 254                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_end,   this), ID_go_to_end);
 255
 256                 reset_film ();
 257
 258                 UpdateChecker::instance()->StateChanged.connect (boost::bind (&DOMFrame::update_checker_state_changed, this));
 259                 setup_screen ();
 260
 261                 _stress.LoadDCP.connect (boost::bind(&DOMFrame::load_dcp, this, _1));
 262         }
 263
 264         ~DOMFrame ()
 265         {
 266                 /* It's important that this is stopped before our frame starts destroying its children,
 267                  * otherwise UI elements that it depends on will disappear from under it.
 268                  */
 269                 _viewer.reset ();
 270         }
 271
 272         void setup_main_sizer (Config::PlayerMode mode)
 273         {
 274                 _main_sizer->Detach (_viewer->panel());
 275                 _main_sizer->Detach (_controls);
 276                 _main_sizer->Detach (_info);
 277                 if (mode != Config::PLAYER_MODE_DUAL) {
 278                         _main_sizer->Add (_viewer->panel(), 1, wxEXPAND);
 279                 }
 280                 _main_sizer->Add (_controls, mode == Config::PLAYER_MODE_DUAL ? 1 : 0, wxEXPAND | wxALL, 6);
 281                 _main_sizer->Add (_info, 0, wxEXPAND | wxALL, 6);
 282                 _overall_panel->SetSizer (_main_sizer);
 283                 _overall_panel->Layout ();
 284         }
 285
 286         bool playback_permitted ()
 287         {
 288                 if (!_film || !Config::instance()->respect_kdm_validity_periods()) {
 289                         return true;
 290                 }
 291
 292                 bool ok = true;
 293                 for (auto i: _film->content()) {
 294                         auto d = dynamic_pointer_cast<DCPContent>(i);
 295                         if (d && !d->kdm_timing_window_valid()) {
 296                                 ok = false;
 297                         }
 298                 }
 299
 300                 if (!ok) {
 301                         error_dialog (this, _("The KDM does not allow playback of this content at this time."));
 302                 }
 303
 304                 return ok;
 305         }
 306
 307         void playback_started (DCPTime time)
 308         {
 309                 /* XXX: this only logs the first piece of content; probably should be each piece? */
 310                 if (_film->content().empty()) {
 311                         return;
 312                 }
 313
 314                 auto dcp = dynamic_pointer_cast<DCPContent>(_film->content().front());
 315                 if (dcp) {
 316                         DCPExaminer ex (dcp, true);
 317                         shared_ptr<dcp::CPL> playing_cpl;
 318                         for (auto i: ex.cpls()) {
 319                                 if (!dcp->cpl() || i->id() == *dcp->cpl()) {
 320                                         playing_cpl = i;
 321                                 }
 322                         }
 323                         DCPOMATIC_ASSERT (playing_cpl);
 324
 325                         _controls->log (
 326                                 wxString::Format(
 327                                         "playback-started %s %s %s",
 328                                         time.timecode(_film->video_frame_rate()).c_str(),
 329                                         dcp->directories().front().string().c_str(),
 330                                         playing_cpl->annotation_text().get_value_or("").c_str()
 331                                         )
 332                                 );
 333                 }
 334
 335                 auto ffmpeg = dynamic_pointer_cast<FFmpegContent>(_film->content().front());
 336                 if (ffmpeg) {
 337                         _controls->log (
 338                                 wxString::Format(
 339                                         "playback-started %s %s",
 340                                         time.timecode(_film->video_frame_rate()).c_str(),
 341                                         ffmpeg->path(0).string().c_str()
 342                                         )
 343                                 );
 344                 }
 345         }
 346
 347         void playback_stopped (DCPTime time)
 348         {
 349                 _controls->log (wxString::Format("playback-stopped %s", time.timecode(_film->video_frame_rate()).c_str()));
 350         }
 351
 352
 353         void too_many_frames_dropped ()
 354         {
 355                 if (!Config::instance()->nagged(Config::NAG_TOO_MANY_DROPPED_FRAMES)) {
 356                         _viewer->stop ();
 357                 }
 358
 359                 NagDialog::maybe_nag (
 360                         this,
 361                         Config::NAG_TOO_MANY_DROPPED_FRAMES,
 362                         _("The player is dropping a lot of frames, so playback may not be accurate.\n\n"
 363                           "<b>This does not necessarily mean that the DCP you are playing is defective!</b>\n\n"
 364                           "You may be able to improve player performance by:\n"
 365                           "• choosing 'decode at half resolution' or 'decode at quarter resolution' from the View menu\n"
 366                           "• using a more powerful computer.\n"
 367                          )
 368                         );
 369         }
 370
 371         void set_decode_reduction (optional<int> reduction)
 372         {
 373                 _viewer->set_dcp_decode_reduction (reduction);
 374                 _info->triggered_update ();
 375                 Config::instance()->set_decode_reduction (reduction);
 376         }
 377
 378         void load_dcp (boost::filesystem::path dir)
 379         {
 380                 DCPOMATIC_ASSERT (_film);
 381
 382                 reset_film ();
 383                 try {
 384                         _stress.set_suspended (true);
 385                         // here
 386                         auto dcp = make_shared<DCPContent>(dir);
 387                         auto job = make_shared<ExamineContentJob>(_film, dcp);
 388                         _examine_job_connection = job->Finished.connect(bind(&DOMFrame::add_dcp_to_film, this, weak_ptr<Job>(job), weak_ptr<Content>(dcp)));
 389                         JobManager::instance()->add (job);
 390                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 391                         if (!ok || !report_errors_from_last_job(this)) {
 392                                 return;
 393                         }
 394                         Config::instance()->add_to_player_history (dir);
 395                 } catch (ProjectFolderError &) {
 396                         error_dialog (
 397                                 this,
 398                                 wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())),
 399                                 _(
 400                                         "This looks like a DCP-o-matic project folder, which cannot be loaded into the player.  "
 401                                         "Choose the DCP directory inside the DCP-o-matic project folder if that's what you want to play."
 402                                  )
 403                                 );
 404                 } catch (dcp::ReadError& e) {
 405                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 406                 } catch (DCPError& e) {
 407                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 408                 }
 409         }
 410
 411         void add_dcp_to_film (weak_ptr<Job> weak_job, weak_ptr<Content> weak_content)
 412         {
 413                 auto job = weak_job.lock ();
 414                 if (!job || !job->finished_ok()) {
 415                         return;
 416                 }
 417
 418                 auto content = weak_content.lock ();
 419                 if (!content) {
 420                         return;
 421                 }
 422
 423                 _film->add_content (content);
 424                 _stress.set_suspended (false);
 425         }
 426
 427         void reset_film_weak (weak_ptr<Film> weak_film)
 428         {
 429                 auto film = weak_film.lock ();
 430                 if (film) {
 431                         reset_film (film);
 432                 }
 433         }
 434
 435         void reset_film (shared_ptr<Film> film = shared_ptr<Film>(new Film(optional<boost::filesystem::path>())))
 436         {
 437                 _film = film;
 438                 _film->set_tolerant (true);
 439                 _film->set_audio_channels (MAX_DCP_AUDIO_CHANNELS);
 440                 _viewer->set_film (_film);
 441                 _controls->set_film (_film);
 442                 _film->Change.connect (bind(&DOMFrame::film_changed, this, _1, _2));
 443                 _info->triggered_update ();
 444         }
 445
 446         void film_changed (ChangeType type, Film::Property property)
 447         {
 448                 if (type != ChangeType::DONE || property != Film::Property::CONTENT) {
 449                         return;
 450                 }
 451
 452                 if (_viewer->playing ()) {
 453                         _viewer->stop ();
 454                 }
 455
 456                 /* Start off as Flat */
 457                 _film->set_container (Ratio::from_id("185"));
 458
 459                 for (auto i: _film->content()) {
 460                         auto dcp = dynamic_pointer_cast<DCPContent>(i);
 461
 462                         for (auto j: i->text) {
 463                                 j->set_use (true);
 464                         }
 465
 466                         if (i->video) {
 467                                 auto const r = Ratio::nearest_from_ratio(i->video->size().ratio());
 468                                 if (r->id() == "239") {
 469                                         /* Any scope content means we use scope */
 470                                         _film->set_container(r);
 471                                 }
 472                         }
 473
 474                         /* Any 3D content means we use 3D mode */
 475                         if (i->video && i->video->frame_type() != VideoFrameType::TWO_D) {
 476                                 _film->set_three_d (true);
 477                         }
 478                 }
 479
 480                 _viewer->seek (DCPTime(), true);
 481                 _info->triggered_update ();
 482
 483                 set_menu_sensitivity ();
 484
 485                 auto old = _cpl_menu->GetMenuItems();
 486                 for (auto const& i: old) {
 487                         _cpl_menu->Remove (i);
 488                 }
 489
 490                 if (_film->content().size() == 1) {
 491                         /* Offer a CPL menu */
 492                         auto first = dynamic_pointer_cast<DCPContent>(_film->content().front());
 493                         if (first) {
 494                                 DCPExaminer ex (first, true);
 495                                 int id = ID_view_cpl;
 496                                 for (auto i: ex.cpls()) {
 497                                         auto j = _cpl_menu->AppendRadioItem(
 498                                                 id,
 499                                                 wxString::Format("%s (%s)", std_to_wx(i->annotation_text().get_value_or("")).data(), std_to_wx(i->id()).data())
 500                                                 );
 501                                         j->Check(!first->cpl() || i->id() == *first->cpl());
 502                                         ++id;
 503                                 }
 504                         }
 505                 }
 506         }
 507
 508         void load_stress_script (boost::filesystem::path path)
 509         {
 510                 _stress.load_script (path);
 511         }
 512
 513 private:
 514
 515         void examine_content ()
 516         {
 517                 DCPOMATIC_ASSERT (_film);
 518                 auto dcp = dynamic_pointer_cast<DCPContent>(_film->content().front());
 519                 DCPOMATIC_ASSERT (dcp);
 520                 dcp->examine (_film, shared_ptr<Job>());
 521
 522                 /* Examining content re-creates the TextContent objects, so we must re-enable them */
 523                 for (auto i: dcp->text) {
 524                         i->set_use (true);
 525                 }
 526         }
 527
 528         bool report_errors_from_last_job (wxWindow* parent) const
 529         {
 530                 auto jm = JobManager::instance ();
 531
 532                 DCPOMATIC_ASSERT (!jm->get().empty());
 533
 534                 auto last = jm->get().back();
 535                 if (last->finished_in_error()) {
 536                         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()));
 537                         return false;
 538                 }
 539
 540                 return true;
 541         }
 542
 543         void setup_menu (wxMenuBar* m)
 544         {
 545                 _file_menu = new wxMenu;
 546                 _file_menu->Append (ID_file_open, _("&Open...\tCtrl-O"));
 547                 _file_add_ov = _file_menu->Append (ID_file_add_ov, _("&Add OV..."));
 548                 _file_add_kdm = _file_menu->Append (ID_file_add_kdm, _("Add &KDM..."));
 549
 550                 _history_position = _file_menu->GetMenuItems().GetCount();
 551
 552                 _file_menu->AppendSeparator ();
 553                 _file_menu->Append (ID_file_close, _("&Close"));
 554                 _file_menu->AppendSeparator ();
 555
 556 #ifdef __WXOSX__
 557                 _file_menu->Append (wxID_EXIT, _("&Exit"));
 558 #else
 559                 _file_menu->Append (wxID_EXIT, _("&Quit"));
 560 #endif
 561
 562 #ifdef __WXOSX__
 563                 auto prefs = _file_menu->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 564 #else
 565                 auto edit = new wxMenu;
 566                 auto prefs = edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 567 #endif
 568
 569                 prefs->Enable (Config::instance()->have_write_permission());
 570
 571                 _cpl_menu = new wxMenu;
 572
 573                 auto view = new wxMenu;
 574                 auto c = Config::instance()->decode_reduction();
 575                 _view_cpl = view->Append(ID_view_cpl, _("CPL"), _cpl_menu);
 576                 view->AppendSeparator();
 577                 _view_full_screen = view->AppendCheckItem(ID_view_full_screen, _("Full screen\tF11"));
 578                 _view_dual_screen = view->AppendCheckItem(ID_view_dual_screen, _("Dual screen\tShift+F11"));
 579                 setup_menu ();
 580                 view->AppendSeparator();
 581                 view->Append(ID_view_closed_captions, _("Closed captions..."));
 582                 view->AppendSeparator();
 583                 view->AppendRadioItem(ID_view_scale_appropriate, _("Set decode resolution to match display"))->Check(!static_cast<bool>(c));
 584                 view->AppendRadioItem(ID_view_scale_full, _("Decode at full resolution"))->Check(c && c.get() == 0);
 585                 view->AppendRadioItem(ID_view_scale_half, _("Decode at half resolution"))->Check(c && c.get() == 1);
 586                 view->AppendRadioItem(ID_view_scale_quarter, _("Decode at quarter resolution"))->Check(c && c.get() == 2);
 587
 588                 auto tools = new wxMenu;
 589                 _tools_verify = tools->Append (ID_tools_verify, _("Verify DCP..."));
 590                 tools->AppendSeparator ();
 591                 tools->Append (ID_tools_check_for_updates, _("Check for updates"));
 592                 tools->Append (ID_tools_timing, _("Timing..."));
 593                 tools->Append (ID_tools_system_information, _("System information..."));
 594
 595                 auto help = new wxMenu;
 596 #ifdef __WXOSX__
 597                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 598 #else
 599                 help->Append (wxID_ABOUT, _("About"));
 600 #endif
 601                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 602
 603                 m->Append (_file_menu, _("&File"));
 604 #ifndef __WXOSX__
 605                 m->Append (edit, _("&Edit"));
 606 #endif
 607                 m->Append (view, _("&View"));
 608                 m->Append (tools, _("&Tools"));
 609                 m->Append (help, _("&Help"));
 610         }
 611
 612         void file_open ()
 613         {
 614                 auto d = wxStandardPaths::Get().GetDocumentsDir();
 615                 if (Config::instance()->last_player_load_directory()) {
 616                         d = std_to_wx (Config::instance()->last_player_load_directory()->string());
 617                 }
 618
 619                 auto c = new wxDirDialog (this, _("Select DCP to open"), d, wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST);
 620
 621                 int r;
 622                 while (true) {
 623                         r = c->ShowModal ();
 624                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 625                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 626                         } else {
 627                                 break;
 628                         }
 629                 }
 630
 631                 if (r == wxID_OK) {
 632                         boost::filesystem::path const dcp (wx_to_std (c->GetPath ()));
 633                         load_dcp (dcp);
 634                         Config::instance()->set_last_player_load_directory (dcp.parent_path());
 635                 }
 636
 637                 c->Destroy ();
 638         }
 639
 640         void file_add_ov ()
 641         {
 642                 auto c = new wxDirDialog (
 643                         this,
 644                         _("Select DCP to open as OV"),
 645                         wxStandardPaths::Get().GetDocumentsDir(),
 646                         wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST
 647                         );
 648
 649                 int r;
 650                 while (true) {
 651                         r = c->ShowModal ();
 652                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 653                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 654                         } else {
 655                                 break;
 656                         }
 657                 }
 658
 659                 if (r == wxID_OK) {
 660                         DCPOMATIC_ASSERT (_film);
 661                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 662                         DCPOMATIC_ASSERT (dcp);
 663                         dcp->add_ov (wx_to_std(c->GetPath()));
 664                         JobManager::instance()->add(make_shared<ExamineContentJob>(_film, dcp));
 665                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 666                         if (!ok || !report_errors_from_last_job(this)) {
 667                                 return;
 668                         }
 669                         for (auto i: dcp->text) {
 670                                 i->set_use (true);
 671                         }
 672                         if (dcp->video) {
 673                                 auto const r = Ratio::nearest_from_ratio(dcp->video->size().ratio());
 674                                 if (r) {
 675                                         _film->set_container(r);
 676                                 }
 677                         }
 678                 }
 679
 680                 c->Destroy ();
 681                 _info->triggered_update ();
 682         }
 683
 684         void file_add_kdm ()
 685         {
 686                 auto d = new wxFileDialog (this, _("Select KDM"));
 687
 688                 if (d->ShowModal() == wxID_OK) {
 689                         DCPOMATIC_ASSERT (_film);
 690                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 691                         DCPOMATIC_ASSERT (dcp);
 692                         try {
 693                                 if (dcp) {
 694                                         _viewer->set_coalesce_player_changes (true);
 695                                         dcp->add_kdm (dcp::EncryptedKDM(dcp::file_to_string(wx_to_std(d->GetPath()), MAX_KDM_SIZE)));
 696                                         examine_content();
 697                                         _viewer->set_coalesce_player_changes (false);
 698                                 }
 699                         } catch (exception& e) {
 700                                 error_dialog (this, wxString::Format (_("Could not load KDM.")), std_to_wx(e.what()));
 701                                 d->Destroy ();
 702                                 return;
 703                         }
 704                 }
 705
 706                 d->Destroy ();
 707                 _info->triggered_update ();
 708         }
 709
 710         void file_history (wxCommandEvent& event)
 711         {
 712                 auto history = Config::instance()->player_history ();
 713                 int n = event.GetId() - ID_file_history;
 714                 if (n >= 0 && n < static_cast<int> (history.size ())) {
 715                         try {
 716                                 load_dcp (history[n]);
 717                         } catch (exception& e) {
 718                                 error_dialog (0, std_to_wx(String::compose(wx_to_std(_("Could not load DCP %1.")), history[n])), std_to_wx(e.what()));
 719                         }
 720                 }
 721         }
 722
 723         void file_close ()
 724         {
 725                 reset_film ();
 726                 _info->triggered_update ();
 727                 set_menu_sensitivity ();
 728         }
 729
 730         void file_exit ()
 731         {
 732                 Close ();
 733         }
 734
 735         void edit_preferences ()
 736         {
 737                 if (!Config::instance()->have_write_permission()) {
 738                         return;
 739                 }
 740
 741                 if (!_config_dialog) {
 742                         _config_dialog = create_player_config_dialog ();
 743                 }
 744                 _config_dialog->Show (this);
 745         }
 746
 747         void view_cpl (wxCommandEvent& ev)
 748         {
 749                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 750                 DCPOMATIC_ASSERT (dcp);
 751                 DCPExaminer ex (dcp, true);
 752                 int id = ev.GetId() - ID_view_cpl;
 753                 DCPOMATIC_ASSERT (id >= 0);
 754                 DCPOMATIC_ASSERT (id < int(ex.cpls().size()));
 755                 auto cpls = ex.cpls();
 756                 auto i = cpls.begin();
 757                 while (id > 0) {
 758                         ++i;
 759                         --id;
 760                 }
 761
 762                 _viewer->set_coalesce_player_changes (true);
 763                 dcp->set_cpl ((*i)->id());
 764                 examine_content ();
 765                 _viewer->set_coalesce_player_changes (false);
 766
 767                 _info->triggered_update ();
 768         }
 769
 770         void view_full_screen ()
 771         {
 772                 if (_mode == Config::PLAYER_MODE_FULL) {
 773                         _mode = Config::PLAYER_MODE_WINDOW;
 774                 } else {
 775                         _mode = Config::PLAYER_MODE_FULL;
 776                 }
 777                 setup_screen ();
 778                 setup_menu ();
 779         }
 780
 781         void view_dual_screen ()
 782         {
 783                 if (_mode == Config::PLAYER_MODE_DUAL) {
 784                         _mode = Config::PLAYER_MODE_WINDOW;
 785                 } else {
 786                         _mode = Config::PLAYER_MODE_DUAL;
 787                 }
 788                 setup_screen ();
 789                 setup_menu ();
 790         }
 791
 792         void setup_menu ()
 793         {
 794                 if (_view_full_screen) {
 795                         _view_full_screen->Check (_mode == Config::PLAYER_MODE_FULL);
 796                 }
 797                 if (_view_dual_screen) {
 798                         _view_dual_screen->Check (_mode == Config::PLAYER_MODE_DUAL);
 799                 }
 800         }
 801
 802         void setup_screen ()
 803         {
 804                 _controls->Show (_mode != Config::PLAYER_MODE_FULL);
 805                 _info->Show (_mode != Config::PLAYER_MODE_FULL);
 806                 _overall_panel->SetBackgroundColour (_mode == Config::PLAYER_MODE_FULL ? wxColour(0, 0, 0) : wxNullColour);
 807                 ShowFullScreen (_mode == Config::PLAYER_MODE_FULL);
 808                 _viewer->set_pad_black (_mode != Config::PLAYER_MODE_WINDOW);
 809
 810                 if (_mode == Config::PLAYER_MODE_DUAL) {
 811                         _dual_screen = new wxFrame (this, wxID_ANY, wxT(""));
 812                         _dual_screen->SetBackgroundColour (wxColour(0, 0, 0));
 813                         _dual_screen->ShowFullScreen (true);
 814                         _viewer->panel()->Reparent (_dual_screen);
 815                         _dual_screen->Show ();
 816                         if (wxDisplay::GetCount() > 1) {
 817                                 switch (Config::instance()->image_display()) {
 818                                 case 0:
 819                                         _dual_screen->Move (0, 0);
 820                                         Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
 821                                         break;
 822                                 case 1:
 823                                         _dual_screen->Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
 824                                         // (0, 0) doesn't seem to work for some strange reason
 825                                         Move (8, 8);
 826                                         break;
 827                                 }
 828                         }
 829                 } else {
 830                         if (_dual_screen) {
 831                                 _viewer->panel()->Reparent (_overall_panel);
 832                                 _dual_screen->Destroy ();
 833                                 _dual_screen = 0;
 834                         }
 835                 }
 836
 837                 setup_main_sizer (_mode);
 838         }
 839
 840         void view_closed_captions ()
 841         {
 842                 _viewer->show_closed_captions ();
 843         }
 844
 845         void tools_verify ()
 846         {
 847                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 848                 DCPOMATIC_ASSERT (dcp);
 849
 850                 auto job = make_shared<VerifyDCPJob>(dcp->directories());
 851                 auto progress = new VerifyDCPProgressDialog(this, _("DCP-o-matic Player"));
 852                 bool const completed = progress->run (job);
 853                 progress->Destroy ();
 854                 if (!completed) {
 855                         return;
 856                 }
 857
 858                 auto d = new VerifyDCPDialog (this, job);
 859                 d->ShowModal ();
 860                 d->Destroy ();
 861         }
 862
 863         void tools_check_for_updates ()
 864         {
 865                 UpdateChecker::instance()->run ();
 866                 _update_news_requested = true;
 867         }
 868
 869         void tools_timing ()
 870         {
 871                 auto d = new TimerDisplay (this, _viewer->state_timer(), _viewer->gets());
 872                 d->ShowModal ();
 873                 d->Destroy ();
 874         }
 875
 876         void tools_system_information ()
 877         {
 878                 if (!_system_information_dialog) {
 879                         _system_information_dialog = new SystemInformationDialog (this, _viewer);
 880                 }
 881
 882                 _system_information_dialog->Show ();
 883         }
 884
 885         void help_about ()
 886         {
 887                 auto d = new AboutDialog (this);
 888                 d->ShowModal ();
 889                 d->Destroy ();
 890         }
 891
 892         void help_report_a_problem ()
 893         {
 894                 auto d = new ReportProblemDialog (this);
 895                 if (d->ShowModal () == wxID_OK) {
 896                         d->report ();
 897                 }
 898                 d->Destroy ();
 899         }
 900
 901         void update_checker_state_changed ()
 902         {
 903                 auto uc = UpdateChecker::instance ();
 904
 905                 bool const announce =
 906                         _update_news_requested ||
 907                         (uc->stable() && Config::instance()->check_for_updates()) ||
 908                         (uc->test() && Config::instance()->check_for_updates() && Config::instance()->check_for_test_updates());
 909
 910                 _update_news_requested = false;
 911
 912                 if (!announce) {
 913                         return;
 914                 }
 915
 916                 if (uc->state() == UpdateChecker::State::YES) {
 917                         auto dialog = new UpdateDialog (this, uc->stable (), uc->test ());
 918                         dialog->ShowModal ();
 919                         dialog->Destroy ();
 920                 } else if (uc->state() == UpdateChecker::State::FAILED) {
 921                         error_dialog (this, _("The DCP-o-matic download server could not be contacted."));
 922                 } else {
 923                         error_dialog (this, _("There are no new versions of DCP-o-matic available."));
 924                 }
 925
 926                 _update_news_requested = false;
 927         }
 928
 929         void config_changed (Config::Property prop)
 930         {
 931                 /* Instantly save any config changes when using the player GUI */
 932                 try {
 933                         Config::instance()->write_config();
 934                 } catch (FileError& e) {
 935                         if (prop != Config::HISTORY) {
 936                                 error_dialog (
 937                                         this,
 938                                         wxString::Format(
 939                                                 _("Could not write to config file at %s.  Your changes have not been saved."),
 940                                                 std_to_wx(e.file().string())
 941                                                 )
 942                                         );
 943                         }
 944                 } catch (exception& e) {
 945                         error_dialog (
 946                                 this,
 947                                 _("Could not write to config file.  Your changes have not been saved.")
 948                                 );
 949                 }
 950
 951                 update_from_config (prop);
 952         }
 953
 954         void update_from_config (Config::Property prop)
 955         {
 956                 for (int i = 0; i < _history_items; ++i) {
 957                         delete _file_menu->Remove (ID_file_history + i);
 958                 }
 959
 960                 if (_history_separator) {
 961                         _file_menu->Remove (_history_separator);
 962                 }
 963                 delete _history_separator;
 964                 _history_separator = nullptr;
 965
 966                 int pos = _history_position;
 967
 968                 /* Clear out non-existant history items before we re-build the menu */
 969                 Config::instance()->clean_player_history ();
 970                 auto history = Config::instance()->player_history ();
 971
 972                 if (!history.empty ()) {
 973                         _history_separator = _file_menu->InsertSeparator (pos++);
 974                 }
 975
 976                 for (size_t i = 0; i < history.size(); ++i) {
 977                         string s;
 978                         if (i < 9) {
 979                                 s = String::compose ("&%1 %2", i + 1, history[i].string());
 980                         } else {
 981                                 s = history[i].string();
 982                         }
 983                         _file_menu->Insert (pos++, ID_file_history + i, std_to_wx (s));
 984                 }
 985
 986                 _history_items = history.size ();
 987
 988                 if (prop == Config::PLAYER_DEBUG_LOG) {
 989                         auto p = Config::instance()->player_debug_log_file();
 990                         if (p) {
 991                                 dcpomatic_log = make_shared<FileLog>(*p);
 992                         } else {
 993                                 dcpomatic_log = make_shared<NullLog>();
 994                         }
 995                         dcpomatic_log->set_types (LogEntry::TYPE_GENERAL | LogEntry::TYPE_WARNING | LogEntry::TYPE_ERROR | LogEntry::TYPE_DEBUG_VIDEO_VIEW);
 996                 }
 997         }
 998
 999         void set_menu_sensitivity ()
1000         {
1001                 _tools_verify->Enable (static_cast<bool>(_film));
1002                 _file_add_ov->Enable (static_cast<bool>(_film));
1003                 _file_add_kdm->Enable (static_cast<bool>(_film));
1004                 _view_cpl->Enable (static_cast<bool>(_film));
1005         }
1006
1007         void start_stop_pressed ()
1008         {
1009                 if (_viewer->playing()) {
1010                         _viewer->stop();
1011                 } else {
1012                         _viewer->start();
1013                 }
1014         }
1015
1016         void go_back_frame ()
1017         {
1018                 _viewer->seek_by (-_viewer->one_video_frame(), true);
1019         }
1020
1021         void go_forward_frame ()
1022         {
1023                 _viewer->seek_by (_viewer->one_video_frame(), true);
1024         }
1025
1026         void go_seconds (int s)
1027         {
1028                 _viewer->seek_by (DCPTime::from_seconds(s), true);
1029         }
1030
1031         void go_to_start ()
1032         {
1033                 _viewer->seek (DCPTime(), true);
1034         }
1035
1036         void go_to_end ()
1037         {
1038                 _viewer->seek (_film->length() - _viewer->one_video_frame(), true);
1039         }
1040
1041         wxFrame* _dual_screen;
1042         bool _update_news_requested;
1043         PlayerInformation* _info;
1044         Config::PlayerMode _mode;
1045         wxPreferencesEditor* _config_dialog;
1046         wxPanel* _overall_panel;
1047         wxMenu* _file_menu;
1048         wxMenuItem* _view_cpl;
1049         wxMenu* _cpl_menu;
1050         int _history_items;
1051         int _history_position;
1052         wxMenuItem* _history_separator;
1053         shared_ptr<FilmViewer> _viewer;
1054         Controls* _controls;
1055         SystemInformationDialog* _system_information_dialog;
1056         std::shared_ptr<Film> _film;
1057         boost::signals2::scoped_connection _config_changed_connection;
1058         boost::signals2::scoped_connection _examine_job_connection;
1059         wxMenuItem* _file_add_ov;
1060         wxMenuItem* _file_add_kdm;
1061         wxMenuItem* _tools_verify;
1062         wxMenuItem* _view_full_screen;
1063         wxMenuItem* _view_dual_screen;
1064         wxSizer* _main_sizer;
1065         PlayerStressTester _stress;
1066 };
1067
1068 static const wxCmdLineEntryDesc command_line_description[] = {
1069         { wxCMD_LINE_PARAM, 0, 0, "DCP to load or create", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1070         { wxCMD_LINE_OPTION, "c", "config", "Directory containing config.xml", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1071         { wxCMD_LINE_OPTION, "s", "stress", "File containing description of stress test", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1072         { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
1073 };
1074
1075 class PlayServer : public Server
1076 {
1077 public:
1078         explicit PlayServer (DOMFrame* frame)
1079                 : Server (PLAYER_PLAY_PORT)
1080                 , _frame (frame)
1081         {}
1082
1083         void handle (shared_ptr<Socket> socket)
1084         {
1085                 try {
1086                         int const length = socket->read_uint32 ();
1087                         scoped_array<char> buffer (new char[length]);
1088                         socket->read (reinterpret_cast<uint8_t*> (buffer.get()), length);
1089                         string s (buffer.get());
1090                         signal_manager->when_idle (bind (&DOMFrame::load_dcp, _frame, s));
1091                         socket->write (reinterpret_cast<uint8_t const *> ("OK"), 3);
1092                 } catch (...) {
1093
1094                 }
1095         }
1096
1097 private:
1098         DOMFrame* _frame;
1099 };
1100
1101 /** @class App
1102  *  @brief The magic App class for wxWidgets.
1103  */
1104 class App : public wxApp
1105 {
1106 public:
1107         App ()
1108                 : wxApp ()
1109                 , _frame (0)
1110         {
1111 #ifdef DCPOMATIC_LINUX
1112                 XInitThreads ();
1113 #endif
1114         }
1115
1116 private:
1117
1118         bool OnInit ()
1119         {
1120                 wxSplashScreen* splash = 0;
1121                 try {
1122                         wxInitAllImageHandlers ();
1123
1124                         Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
1125                         Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
1126
1127                         splash = maybe_show_splash ();
1128
1129                         SetAppName (_("DCP-o-matic Player"));
1130
1131                         if (!wxApp::OnInit()) {
1132                                 return false;
1133                         }
1134
1135 #ifdef DCPOMATIC_LINUX
1136                         unsetenv ("UBUNTU_MENUPROXY");
1137 #endif
1138
1139 #ifdef DCPOMATIC_OSX
1140                         make_foreground_application ();
1141 #endif
1142
1143                         dcpomatic_setup_path_encoding ();
1144
1145                         /* Enable i18n; this will create a Config object
1146                            to look for a force-configured language.  This Config
1147                            object will be wrong, however, because dcpomatic_setup
1148                            hasn't yet been called and there aren't any filters etc.
1149                            set up yet.
1150                         */
1151                         dcpomatic_setup_i18n ();
1152
1153                         /* Set things up, including filters etc.
1154                            which will now be internationalised correctly.
1155                         */
1156                         dcpomatic_setup ();
1157
1158                         /* Force the configuration to be re-loaded correctly next
1159                            time it is needed.
1160                         */
1161                         Config::drop ();
1162
1163                         signal_manager = new wxSignalManager (this);
1164
1165                         _frame = new DOMFrame ();
1166                         SetTopWindow (_frame);
1167                         _frame->Maximize ();
1168                         if (splash) {
1169                                 splash->Destroy ();
1170                                 splash = 0;
1171                         }
1172                         _frame->Show ();
1173
1174                         try {
1175                                 auto server = new PlayServer (_frame);
1176                                 new thread (boost::bind (&PlayServer::run, server));
1177                         } catch (std::exception& e) {
1178                                 /* This is not the end of the world; probably a failure to bind the server socket
1179                                  * because there's already another player running.
1180                                  */
1181                                 LOG_DEBUG_PLAYER ("Failed to start play server (%1)", e.what());
1182                         }
1183
1184                         if (!_dcp_to_load.empty() && boost::filesystem::is_directory (_dcp_to_load)) {
1185                                 try {
1186                                         _frame->load_dcp (_dcp_to_load);
1187                                 } catch (exception& e) {
1188                                         error_dialog (0, std_to_wx (String::compose (wx_to_std (_("Could not load DCP %1.")), _dcp_to_load)), std_to_wx(e.what()));
1189                                 }
1190                         }
1191
1192                         if (_stress) {
1193                                 try {
1194                                         _frame->load_stress_script (*_stress);
1195                                 } catch (exception& e) {
1196                                         error_dialog (0, wxString::Format("Could not load stress test file %s", std_to_wx(*_stress)));
1197                                 }
1198                         }
1199
1200                         Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
1201
1202                         if (Config::instance()->check_for_updates ()) {
1203                                 UpdateChecker::instance()->run ();
1204                         }
1205                 }
1206                 catch (exception& e)
1207                 {
1208                         if (splash) {
1209                                 splash->Destroy ();
1210                         }
1211                         error_dialog (0, _("DCP-o-matic Player could not start."), std_to_wx(e.what()));
1212                 }
1213
1214                 return true;
1215         }
1216
1217         void OnInitCmdLine (wxCmdLineParser& parser)
1218         {
1219                 parser.SetDesc (command_line_description);
1220                 parser.SetSwitchChars (wxT ("-"));
1221         }
1222
1223         bool OnCmdLineParsed (wxCmdLineParser& parser)
1224         {
1225                 if (parser.GetParamCount() > 0) {
1226                         _dcp_to_load = wx_to_std (parser.GetParam (0));
1227                 }
1228
1229                 wxString config;
1230                 if (parser.Found("c", &config)) {
1231                         Config::override_path = wx_to_std (config);
1232                 }
1233                 wxString stress;
1234                 if (parser.Found("s", &stress)) {
1235                         _stress = wx_to_std (stress);
1236                 }
1237
1238                 return true;
1239         }
1240
1241         void report_exception ()
1242         {
1243                 try {
1244                         throw;
1245                 } catch (FileError& e) {
1246                         error_dialog (
1247                                 0,
1248                                 wxString::Format (
1249                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
1250                                         std_to_wx (e.what()),
1251                                         std_to_wx (e.file().string().c_str ())
1252                                         )
1253                                 );
1254                 } catch (exception& e) {
1255                         error_dialog (
1256                                 0,
1257                                 wxString::Format (
1258                                         _("An exception occurred: %s.\n\n") + REPORT_PROBLEM,
1259                                         std_to_wx (e.what ())
1260                                         )
1261                                 );
1262                 } catch (...) {
1263                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
1264                 }
1265         }
1266
1267         /* An unhandled exception has occurred inside the main event loop */
1268         bool OnExceptionInMainLoop ()
1269         {
1270                 report_exception ();
1271                 /* This will terminate the program */
1272                 return false;
1273         }
1274
1275         void OnUnhandledException ()
1276         {
1277                 report_exception ();
1278         }
1279
1280         void idle ()
1281         {
1282                 signal_manager->ui_idle ();
1283         }
1284
1285         void config_failed_to_load ()
1286         {
1287                 message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
1288         }
1289
1290         void config_warning (string m)
1291         {
1292                 message_dialog (_frame, std_to_wx (m));
1293         }
1294
1295         DOMFrame* _frame;
1296         string _dcp_to_load;
1297         boost::optional<string> _stress;
1298 };
1299
1300 IMPLEMENT_APP (App)