src/tools/dcpomatic_player.cc

   1 /*
   2     Copyright (C) 2017-2021 Carl Hetherington <cth@carlh.net>
   3
   4     This file is part of DCP-o-matic.
   5
   6     DCP-o-matic is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     DCP-o-matic is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 */
  20
  21 #include "wx/about_dialog.h"
  22 #include "wx/film_viewer.h"
  23 #include "wx/nag_dialog.h"
  24 #include "wx/player_config_dialog.h"
  25 #include "wx/player_information.h"
  26 #include "wx/player_stress_tester.h"
  27 #include "wx/playlist_controls.h"
  28 #include "wx/report_problem_dialog.h"
  29 #include "wx/standard_controls.h"
  30 #include "wx/system_information_dialog.h"
  31 #include "wx/timer_display.h"
  32 #include "wx/update_dialog.h"
  33 #include "wx/verify_dcp_dialog.h"
  34 #include "wx/verify_dcp_progress_dialog.h"
  35 #include "wx/wx_ptr.h"
  36 #include "wx/wx_signal_manager.h"
  37 #include "wx/wx_util.h"
  38 #include "lib/compose.hpp"
  39 #include "lib/config.h"
  40 #include "lib/constants.h"
  41 #include "lib/cross.h"
  42 #include "lib/dcp_content.h"
  43 #include "lib/dcp_examiner.h"
  44 #include "lib/dcpomatic_log.h"
  45 #include "lib/dcpomatic_socket.h"
  46 #include "lib/examine_content_job.h"
  47 #include "lib/ffmpeg_content.h"
  48 #include "lib/file_log.h"
  49 #include "lib/film.h"
  50 #include "lib/font_config.h"
  51 #include "lib/image.h"
  52 #include "lib/image_jpeg.h"
  53 #include "lib/image_png.h"
  54 #include "lib/internet.h"
  55 #include "lib/job.h"
  56 #include "lib/job_manager.h"
  57 #include "lib/null_log.h"
  58 #include "lib/player.h"
  59 #include "lib/player_video.h"
  60 #include "lib/ratio.h"
  61 #include "lib/scope_guard.h"
  62 #include "lib/scoped_temporary.h"
  63 #include "lib/server.h"
  64 #include "lib/text_content.h"
  65 #include "lib/update_checker.h"
  66 #include "lib/verify_dcp_job.h"
  67 #include "lib/video_content.h"
  68 #include <dcp/cpl.h>
  69 #include <dcp/dcp.h>
  70 #include <dcp/exceptions.h>
  71 #include <dcp/raw_convert.h>
  72 #include <dcp/search.h>
  73 #include <dcp/warnings.h>
  74 LIBDCP_DISABLE_WARNINGS
  75 #include <wx/cmdline.h>
  76 #include <wx/display.h>
  77 #include <wx/dnd.h>
  78 #include <wx/preferences.h>
  79 #include <wx/progdlg.h>
  80 #include <wx/splash.h>
  81 #include <wx/stdpaths.h>
  82 #include <wx/wx.h>
  83 LIBDCP_ENABLE_WARNINGS
  84 #ifdef __WXGTK__
  85 #include <X11/Xlib.h>
  86 #endif
  87 #include <boost/algorithm/string.hpp>
  88 #include <boost/bind/bind.hpp>
  89 #include <iostream>
  90
  91 #ifdef check
  92 #undef check
  93 #endif
  94
  95
  96 #define MAX_CPLS 32
  97
  98
  99 using std::cout;
 100 using std::dynamic_pointer_cast;
 101 using std::exception;
 102 using std::list;
 103 using std::make_shared;
 104 using std::shared_ptr;
 105 using std::string;
 106 using std::vector;
 107 using std::weak_ptr;
 108 using boost::bind;
 109 using boost::optional;
 110 using boost::scoped_array;
 111 using boost::thread;
 112 #if BOOST_VERSION >= 106100
 113 using namespace boost::placeholders;
 114 #endif
 115 using dcp::raw_convert;
 116 using namespace dcpomatic;
 117
 118
 119 enum {
 120         ID_file_open = 1,
 121         ID_file_add_ov,
 122         ID_file_add_kdm,
 123         ID_file_save_frame,
 124         ID_file_history,
 125         /* Allow spare IDs after _history for the recent files list */
 126         ID_file_close = 100,
 127         ID_view_cpl,
 128         /* Allow spare IDs for CPLs */
 129         ID_view_full_screen = 200,
 130         ID_view_dual_screen,
 131         ID_view_closed_captions,
 132         ID_view_scale_appropriate,
 133         ID_view_scale_full,
 134         ID_view_scale_half,
 135         ID_view_scale_quarter,
 136         ID_help_report_a_problem,
 137         ID_tools_verify,
 138         ID_tools_check_for_updates,
 139         ID_tools_timing,
 140         ID_tools_system_information,
 141         /* IDs for shortcuts (with no associated menu item) */
 142         ID_start_stop,
 143         ID_go_back_frame,
 144         ID_go_forward_frame,
 145         ID_go_back_small_amount,
 146         ID_go_forward_small_amount,
 147         ID_go_back_medium_amount,
 148         ID_go_forward_medium_amount,
 149         ID_go_back_large_amount,
 150         ID_go_forward_large_amount,
 151         ID_go_to_start,
 152         ID_go_to_end
 153 };
 154
 155
 156 class DOMFrame : public wxFrame
 157 {
 158 public:
 159
 160         class DCPDropTarget : public wxFileDropTarget
 161         {
 162         public:
 163                 DCPDropTarget(DOMFrame* owner)
 164                         : _frame(owner)
 165                 {}
 166
 167                 bool OnDropFiles(wxCoord, wxCoord, wxArrayString const& filenames) override
 168                 {
 169                         if (filenames.GetCount() == 1) {
 170                                 /* Try to load a directory */
 171                                 auto path = boost::filesystem::path(wx_to_std(filenames[0]));
 172                                 if (boost::filesystem::is_directory(path)) {
 173                                         _frame->load_dcp(wx_to_std(filenames[0]));
 174                                         return true;
 175                                 }
 176                         }
 177
 178                         if (filenames.GetCount() >= 1) {
 179                                 /* Try to load the parent if we drop some files, one if which is an asset map */
 180                                 for (size_t i = 0; i < filenames.GetCount(); ++i) {
 181                                         auto path = boost::filesystem::path(wx_to_std(filenames[i]));
 182                                         if (path.filename() == "ASSETMAP" || path.filename() == "ASSETMAP.xml") {
 183                                                 _frame->load_dcp(path.parent_path());
 184                                                 return true;
 185                                         }
 186                                 }
 187                         }
 188
 189                         return false;
 190                 }
 191
 192         private:
 193                 DOMFrame* _frame;
 194         };
 195
 196
 197         DOMFrame ()
 198                 : wxFrame (nullptr, -1, _("DCP-o-matic Player"))
 199                 , _mode (Config::instance()->player_mode())
 200                 /* Use a panel as the only child of the Frame so that we avoid
 201                    the dark-grey background on Windows.
 202                 */
 203                 , _overall_panel(new wxPanel(this, wxID_ANY))
 204                 , _viewer(_overall_panel)
 205                 , _main_sizer (new wxBoxSizer(wxVERTICAL))
 206         {
 207                 dcpomatic_log = make_shared<NullLog>();
 208
 209 #if defined(DCPOMATIC_WINDOWS)
 210                 maybe_open_console ();
 211                 cout << "DCP-o-matic Player is starting." << "\n";
 212 #endif
 213
 214                 auto bar = new wxMenuBar;
 215                 setup_menu (bar);
 216                 set_menu_sensitivity ();
 217                 SetMenuBar (bar);
 218
 219 #ifdef DCPOMATIC_WINDOWS
 220                 SetIcon (wxIcon (std_to_wx ("id")));
 221 #endif
 222
 223                 _config_changed_connection = Config::instance()->Changed.connect (boost::bind (&DOMFrame::config_changed, this, _1));
 224                 update_from_config (Config::PLAYER_DEBUG_LOG);
 225
 226                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_open, this), ID_file_open);
 227                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_ov, this), ID_file_add_ov);
 228                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_kdm, this), ID_file_add_kdm);
 229                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_save_frame, this), ID_file_save_frame);
 230                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_history, this, _1), ID_file_history, ID_file_history + HISTORY_SIZE);
 231                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_close, this), ID_file_close);
 232                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this), wxID_EXIT);
 233                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this), wxID_PREFERENCES);
 234                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_full_screen, this), ID_view_full_screen);
 235                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_dual_screen, this), ID_view_dual_screen);
 236                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_closed_captions, this), ID_view_closed_captions);
 237                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_cpl, this, _1), ID_view_cpl, ID_view_cpl + MAX_CPLS);
 238                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(0)), ID_view_scale_full);
 239                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(1)), ID_view_scale_half);
 240                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(2)), ID_view_scale_quarter);
 241                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this), wxID_ABOUT);
 242                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this), ID_help_report_a_problem);
 243                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_verify, this), ID_tools_verify);
 244                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_check_for_updates, this), ID_tools_check_for_updates);
 245                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_timing, this), ID_tools_timing);
 246                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_system_information, this), ID_tools_system_information);
 247
 248                 Bind(wxEVT_CLOSE_WINDOW, boost::bind(&DOMFrame::close, this, _1));
 249
 250                 if (Config::instance()->player_mode() == Config::PLAYER_MODE_DUAL) {
 251                         auto pc = new PlaylistControls (_overall_panel, _viewer);
 252                         _controls = pc;
 253                         pc->ResetFilm.connect (bind(&DOMFrame::reset_film_weak, this, _1));
 254                 } else {
 255                         _controls = new StandardControls (_overall_panel, _viewer, false);
 256                 }
 257                 _viewer.set_dcp_decode_reduction(Config::instance()->decode_reduction());
 258                 _viewer.set_optimise_for_j2k(true);
 259                 _viewer.PlaybackPermitted.connect(bind(&DOMFrame::playback_permitted, this));
 260                 _viewer.TooManyDropped.connect(bind(&DOMFrame::too_many_frames_dropped, this));
 261                 _info = new PlayerInformation (_overall_panel, _viewer);
 262                 setup_main_sizer (Config::instance()->player_mode());
 263 #ifdef __WXOSX__
 264                 int accelerators = 12;
 265 #else
 266                 int accelerators = 11;
 267 #endif
 268
 269                 _stress.setup (this, _controls);
 270
 271                 std::vector<wxAcceleratorEntry> accel(accelerators);
 272                 accel[0].Set(wxACCEL_NORMAL,                WXK_SPACE, ID_start_stop);
 273                 accel[1].Set(wxACCEL_NORMAL,                WXK_LEFT,  ID_go_back_frame);
 274                 accel[2].Set(wxACCEL_NORMAL,                WXK_RIGHT, ID_go_forward_frame);
 275                 accel[3].Set(wxACCEL_SHIFT,                 WXK_LEFT,  ID_go_back_small_amount);
 276                 accel[4].Set(wxACCEL_SHIFT,                 WXK_RIGHT, ID_go_forward_small_amount);
 277                 accel[5].Set(wxACCEL_CTRL,                  WXK_LEFT,  ID_go_back_medium_amount);
 278                 accel[6].Set(wxACCEL_CTRL,                  WXK_RIGHT, ID_go_forward_medium_amount);
 279                 accel[7].Set(wxACCEL_SHIFT | wxACCEL_CTRL,  WXK_LEFT,  ID_go_back_large_amount);
 280                 accel[8].Set(wxACCEL_SHIFT | wxACCEL_CTRL,  WXK_RIGHT, ID_go_forward_large_amount);
 281                 accel[9].Set(wxACCEL_NORMAL,                WXK_HOME,  ID_go_to_start);
 282                 accel[10].Set(wxACCEL_NORMAL,               WXK_END,   ID_go_to_end);
 283 #ifdef __WXOSX__
 284                 accel[11].Set(wxACCEL_CTRL, static_cast<int>('W'), ID_file_close);
 285 #endif
 286                 wxAcceleratorTable accel_table (accelerators, accel.data());
 287                 SetAcceleratorTable (accel_table);
 288
 289                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::start_stop_pressed, this), ID_start_stop);
 290                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_back_frame, this),      ID_go_back_frame);
 291                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_forward_frame, this),   ID_go_forward_frame);
 292                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   -60), ID_go_back_small_amount);
 293                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,    60), ID_go_forward_small_amount);
 294                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  -600), ID_go_back_medium_amount);
 295                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   600), ID_go_forward_medium_amount);
 296                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this, -3600), ID_go_back_large_amount);
 297                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  3600), ID_go_forward_large_amount);
 298                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_start, this), ID_go_to_start);
 299                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_end,   this), ID_go_to_end);
 300
 301                 reset_film ();
 302
 303                 UpdateChecker::instance()->StateChanged.connect (boost::bind(&DOMFrame::update_checker_state_changed, this));
 304                 setup_screen ();
 305
 306                 _stress.LoadDCP.connect (boost::bind(&DOMFrame::load_dcp, this, _1));
 307
 308                 SetDropTarget(new DCPDropTarget(this));
 309         }
 310
 311         ~DOMFrame ()
 312         {
 313                 /* It's important that this is stopped before our frame starts destroying its children,
 314                  * otherwise UI elements that it depends on will disappear from under it.
 315                  */
 316                 _viewer.stop();
 317         }
 318
 319         void close(wxCloseEvent& ev)
 320         {
 321                 FontConfig::drop();
 322                 ev.Skip();
 323         }
 324
 325         void setup_main_sizer (Config::PlayerMode mode)
 326         {
 327                 _main_sizer->Detach(_viewer.panel());
 328                 _main_sizer->Detach (_controls);
 329                 _main_sizer->Detach (_info);
 330                 if (mode != Config::PLAYER_MODE_DUAL) {
 331                         _main_sizer->Add(_viewer.panel(), 1, wxEXPAND);
 332                 }
 333                 _main_sizer->Add (_controls, mode == Config::PLAYER_MODE_DUAL ? 1 : 0, wxEXPAND | wxALL, 6);
 334                 _main_sizer->Add (_info, 0, wxEXPAND | wxALL, 6);
 335                 _overall_panel->SetSizer (_main_sizer);
 336                 _overall_panel->Layout ();
 337         }
 338
 339         bool playback_permitted ()
 340         {
 341                 if (!_film || !Config::instance()->respect_kdm_validity_periods()) {
 342                         return true;
 343                 }
 344
 345                 bool ok = true;
 346                 for (auto i: _film->content()) {
 347                         auto d = dynamic_pointer_cast<DCPContent>(i);
 348                         if (d && !d->kdm_timing_window_valid()) {
 349                                 ok = false;
 350                         }
 351                 }
 352
 353                 if (!ok) {
 354                         error_dialog (this, _("The KDM does not allow playback of this content at this time."));
 355                 }
 356
 357                 return ok;
 358         }
 359
 360
 361         void too_many_frames_dropped ()
 362         {
 363                 if (!Config::instance()->nagged(Config::NAG_TOO_MANY_DROPPED_FRAMES)) {
 364                         _viewer.stop();
 365                 }
 366
 367                 NagDialog::maybe_nag (
 368                         this,
 369                         Config::NAG_TOO_MANY_DROPPED_FRAMES,
 370                         _(wxS("The player is dropping a lot of frames, so playback may not be accurate.\n\n"
 371                           "<b>This does not necessarily mean that the DCP you are playing is defective!</b>\n\n"
 372                           "You may be able to improve player performance by:\n"
 373                           "• choosing 'decode at half resolution' or 'decode at quarter resolution' from the View menu\n"
 374                           "• using a more powerful computer.\n"
 375                          ))
 376                         );
 377         }
 378
 379         void set_decode_reduction (optional<int> reduction)
 380         {
 381                 _viewer.set_dcp_decode_reduction(reduction);
 382                 _info->triggered_update ();
 383                 Config::instance()->set_decode_reduction (reduction);
 384         }
 385
 386         void load_dcp (boost::filesystem::path dir)
 387         {
 388                 DCPOMATIC_ASSERT (_film);
 389
 390                 reset_film ();
 391                 try {
 392                         _stress.set_suspended (true);
 393                         auto dcp = make_shared<DCPContent>(dir);
 394                         auto job = make_shared<ExamineContentJob>(_film, dcp);
 395                         _examine_job_connection = job->Finished.connect(bind(&DOMFrame::add_dcp_to_film, this, weak_ptr<Job>(job), weak_ptr<Content>(dcp)));
 396                         JobManager::instance()->add (job);
 397                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 398                         if (!ok || !report_errors_from_last_job(this)) {
 399                                 return;
 400                         }
 401                         Config::instance()->add_to_player_history (dir);
 402                         if (dcp->video_frame_rate()) {
 403                                 _film->set_video_frame_rate(dcp->video_frame_rate().get(), true);
 404                         }
 405                 } catch (ProjectFolderError &) {
 406                         error_dialog (
 407                                 this,
 408                                 wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())),
 409                                 _(
 410                                         "This looks like a DCP-o-matic project folder, which cannot be loaded into the player.  "
 411                                         "Choose the DCP folder inside the DCP-o-matic project folder if that's what you want to play."
 412                                  )
 413                                 );
 414                 } catch (dcp::ReadError& e) {
 415                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 416                 } catch (DCPError& e) {
 417                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 418                 }
 419         }
 420
 421         void add_dcp_to_film (weak_ptr<Job> weak_job, weak_ptr<Content> weak_content)
 422         {
 423                 auto job = weak_job.lock ();
 424                 if (!job || !job->finished_ok()) {
 425                         return;
 426                 }
 427
 428                 auto content = weak_content.lock ();
 429                 if (!content) {
 430                         return;
 431                 }
 432
 433                 _film->add_content (content);
 434                 _stress.set_suspended (false);
 435         }
 436
 437         void reset_film_weak (weak_ptr<Film> weak_film)
 438         {
 439                 auto film = weak_film.lock ();
 440                 if (film) {
 441                         reset_film (film);
 442                 }
 443         }
 444
 445         void reset_film (shared_ptr<Film> film = shared_ptr<Film>(new Film(optional<boost::filesystem::path>())))
 446         {
 447                 _film = film;
 448                 _film->set_tolerant (true);
 449                 _film->set_audio_channels (MAX_DCP_AUDIO_CHANNELS);
 450                 _viewer.set_film(_film);
 451                 _controls->set_film (_film);
 452                 _film->Change.connect (bind(&DOMFrame::film_changed, this, _1, _2));
 453                 _info->triggered_update ();
 454         }
 455
 456         void film_changed (ChangeType type, Film::Property property)
 457         {
 458                 if (type != ChangeType::DONE || property != Film::Property::CONTENT) {
 459                         return;
 460                 }
 461
 462                 if (_viewer.playing()) {
 463                         _viewer.stop();
 464                 }
 465
 466                 /* Start off as Flat */
 467                 _film->set_container (Ratio::from_id("185"));
 468
 469                 for (auto i: _film->content()) {
 470                         auto dcp = dynamic_pointer_cast<DCPContent>(i);
 471
 472                         for (auto j: i->text) {
 473                                 j->set_use (true);
 474                         }
 475
 476                         if (i->video) {
 477                                 auto const r = Ratio::nearest_from_ratio(i->video->size().ratio());
 478                                 if (r->id() == "239") {
 479                                         /* Any scope content means we use scope */
 480                                         _film->set_container(r);
 481                                 }
 482                         }
 483
 484                         /* Any 3D content means we use 3D mode */
 485                         if (i->video && i->video->frame_type() != VideoFrameType::TWO_D) {
 486                                 _film->set_three_d (true);
 487                         }
 488                 }
 489
 490                 _viewer.seek(DCPTime(), true);
 491                 _info->triggered_update ();
 492
 493                 set_menu_sensitivity ();
 494
 495                 auto old = _cpl_menu->GetMenuItems();
 496                 for (auto const& i: old) {
 497                         _cpl_menu->Remove (i);
 498                 }
 499
 500                 if (_film->content().size() == 1) {
 501                         /* Offer a CPL menu */
 502                         auto first = dynamic_pointer_cast<DCPContent>(_film->content().front());
 503                         if (first) {
 504                                 int id = ID_view_cpl;
 505                                 for (auto i: dcp::find_and_resolve_cpls(first->directories(), true)) {
 506                                         auto j = _cpl_menu->AppendRadioItem(
 507                                                 id,
 508                                                 wxString::Format("%s (%s)", std_to_wx(i->annotation_text().get_value_or("")).data(), std_to_wx(i->id()).data())
 509                                                 );
 510                                         j->Check(!first->cpl() || i->id() == *first->cpl());
 511                                         ++id;
 512                                 }
 513                         }
 514                 }
 515         }
 516
 517         void load_stress_script (boost::filesystem::path path)
 518         {
 519                 _stress.load_script (path);
 520         }
 521
 522 private:
 523
 524         void examine_content ()
 525         {
 526                 DCPOMATIC_ASSERT (_film);
 527                 auto dcp = dynamic_pointer_cast<DCPContent>(_film->content().front());
 528                 DCPOMATIC_ASSERT (dcp);
 529                 dcp->examine (_film, shared_ptr<Job>());
 530
 531                 /* Examining content re-creates the TextContent objects, so we must re-enable them */
 532                 for (auto i: dcp->text) {
 533                         i->set_use (true);
 534                 }
 535         }
 536
 537         bool report_errors_from_last_job (wxWindow* parent) const
 538         {
 539                 auto jm = JobManager::instance ();
 540
 541                 DCPOMATIC_ASSERT (!jm->get().empty());
 542
 543                 auto last = jm->get().back();
 544                 if (last->finished_in_error()) {
 545                         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()));
 546                         return false;
 547                 }
 548
 549                 return true;
 550         }
 551
 552         void setup_menu (wxMenuBar* m)
 553         {
 554                 _file_menu = new wxMenu;
 555                 _file_menu->Append (ID_file_open, _("&Open...\tCtrl-O"));
 556                 _file_add_ov = _file_menu->Append (ID_file_add_ov, _("&Add OV..."));
 557                 _file_add_kdm = _file_menu->Append (ID_file_add_kdm, _("Add &KDM..."));
 558                 _file_menu->AppendSeparator ();
 559                 _file_save_frame = _file_menu->Append (ID_file_save_frame, _("&Save frame to file...\tCtrl-S"));
 560
 561                 _history_position = _file_menu->GetMenuItems().GetCount();
 562
 563                 _file_menu->AppendSeparator ();
 564                 _file_menu->Append (ID_file_close, _("&Close"));
 565                 _file_menu->AppendSeparator ();
 566
 567 #ifdef __WXOSX__
 568                 _file_menu->Append (wxID_EXIT, _("&Exit"));
 569 #else
 570                 _file_menu->Append (wxID_EXIT, _("&Quit"));
 571 #endif
 572
 573 #ifdef __WXOSX__
 574                 auto prefs = _file_menu->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 575 #else
 576                 auto edit = new wxMenu;
 577                 auto prefs = edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 578 #endif
 579
 580                 prefs->Enable (Config::instance()->have_write_permission());
 581
 582                 _cpl_menu = new wxMenu;
 583
 584                 auto view = new wxMenu;
 585                 auto c = Config::instance()->decode_reduction();
 586                 _view_cpl = view->Append(ID_view_cpl, _("CPL"), _cpl_menu);
 587                 view->AppendSeparator();
 588                 _view_full_screen = view->AppendCheckItem(ID_view_full_screen, _("Full screen\tF11"));
 589                 _view_dual_screen = view->AppendCheckItem(ID_view_dual_screen, _("Dual screen\tShift+F11"));
 590                 setup_menu ();
 591                 view->AppendSeparator();
 592                 view->Append(ID_view_closed_captions, _("Closed captions..."));
 593                 view->AppendSeparator();
 594                 view->AppendRadioItem(ID_view_scale_appropriate, _("Set decode resolution to match display"))->Check(!static_cast<bool>(c));
 595                 view->AppendRadioItem(ID_view_scale_full, _("Decode at full resolution"))->Check(c && c.get() == 0);
 596                 view->AppendRadioItem(ID_view_scale_half, _("Decode at half resolution"))->Check(c && c.get() == 1);
 597                 view->AppendRadioItem(ID_view_scale_quarter, _("Decode at quarter resolution"))->Check(c && c.get() == 2);
 598
 599                 auto tools = new wxMenu;
 600                 _tools_verify = tools->Append (ID_tools_verify, _("Verify DCP..."));
 601                 tools->AppendSeparator ();
 602                 tools->Append (ID_tools_check_for_updates, _("Check for updates"));
 603                 tools->Append (ID_tools_timing, _("Timing..."));
 604                 tools->Append (ID_tools_system_information, _("System information..."));
 605
 606                 auto help = new wxMenu;
 607 #ifdef __WXOSX__
 608                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 609 #else
 610                 help->Append (wxID_ABOUT, _("About"));
 611 #endif
 612                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 613
 614                 m->Append (_file_menu, _("&File"));
 615 #ifndef __WXOSX__
 616                 m->Append (edit, _("&Edit"));
 617 #endif
 618                 m->Append (view, _("&View"));
 619                 m->Append (tools, _("&Tools"));
 620                 m->Append (help, _("&Help"));
 621         }
 622
 623         void file_open ()
 624         {
 625                 auto d = wxStandardPaths::Get().GetDocumentsDir();
 626                 if (Config::instance()->last_player_load_directory()) {
 627                         d = std_to_wx (Config::instance()->last_player_load_directory()->string());
 628                 }
 629
 630                 auto c = make_wx<wxDirDialog>(this, _("Select DCP to open"), d, wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST);
 631
 632                 int r;
 633                 while (true) {
 634                         r = c->ShowModal ();
 635                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 636                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 637                         } else {
 638                                 break;
 639                         }
 640                 }
 641
 642                 if (r == wxID_OK) {
 643                         boost::filesystem::path const dcp (wx_to_std (c->GetPath ()));
 644                         load_dcp (dcp);
 645                         Config::instance()->set_last_player_load_directory (dcp.parent_path());
 646                 }
 647         }
 648
 649         void file_add_ov ()
 650         {
 651                 auto initial_dir = wxStandardPaths::Get().GetDocumentsDir();
 652                 if (Config::instance()->last_player_load_directory()) {
 653                         initial_dir = std_to_wx(Config::instance()->last_player_load_directory()->string());
 654                 }
 655
 656                 auto c = make_wx<wxDirDialog>(
 657                         this,
 658                         _("Select DCP to open as OV"),
 659                         initial_dir,
 660                         wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST
 661                         );
 662
 663                 int r;
 664                 while (true) {
 665                         r = c->ShowModal ();
 666                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 667                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 668                         } else {
 669                                 break;
 670                         }
 671                 }
 672
 673                 if (r == wxID_OK) {
 674                         DCPOMATIC_ASSERT (_film);
 675                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 676                         DCPOMATIC_ASSERT (dcp);
 677                         dcp->add_ov (wx_to_std(c->GetPath()));
 678                         JobManager::instance()->add(make_shared<ExamineContentJob>(_film, dcp));
 679                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 680                         if (!ok || !report_errors_from_last_job(this)) {
 681                                 return;
 682                         }
 683                         for (auto i: dcp->text) {
 684                                 i->set_use (true);
 685                         }
 686                         if (dcp->video) {
 687                                 auto const r = Ratio::nearest_from_ratio(dcp->video->size().ratio());
 688                                 if (r) {
 689                                         _film->set_container(r);
 690                                 }
 691                         }
 692                 }
 693
 694                 _info->triggered_update ();
 695         }
 696
 697         void file_add_kdm ()
 698         {
 699                 auto d = make_wx<wxFileDialog>(this, _("Select KDM"));
 700
 701                 if (d->ShowModal() == wxID_OK) {
 702                         DCPOMATIC_ASSERT (_film);
 703                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 704                         DCPOMATIC_ASSERT (dcp);
 705                         try {
 706                                 if (dcp) {
 707                                         _viewer.set_coalesce_player_changes(true);
 708                                         dcp->add_kdm (dcp::EncryptedKDM(dcp::file_to_string(wx_to_std(d->GetPath()), MAX_KDM_SIZE)));
 709                                         examine_content();
 710                                         _viewer.set_coalesce_player_changes(false);
 711                                 }
 712                         } catch (exception& e) {
 713                                 error_dialog (this, wxString::Format (_("Could not load KDM.")), std_to_wx(e.what()));
 714                                 return;
 715                         }
 716                 }
 717
 718                 _info->triggered_update ();
 719         }
 720
 721         void file_save_frame ()
 722         {
 723                 wxFileDialog dialog (this, _("Save frame to file"), "", "", "PNG files (*.png)|*.png|JPEG files (*.jpg;*.jpeg)|*.jpg;*.jpeg", wxFD_SAVE | wxFD_OVERWRITE_PROMPT);
 724                 if (dialog.ShowModal() == wxID_CANCEL) {
 725                         return;
 726                 }
 727
 728                 auto path = boost::filesystem::path (wx_to_std(dialog.GetPath()));
 729
 730                 auto player = make_shared<Player>(_film, Image::Alignment::PADDED);
 731                 player->seek(_viewer.position(), true);
 732
 733                 bool done = false;
 734                 player->Video.connect ([path, &done, this](shared_ptr<PlayerVideo> video, DCPTime) {
 735                         auto ext = boost::algorithm::to_lower_copy(path.extension().string());
 736                         if (ext == ".png") {
 737                                 auto image = video->image(boost::bind(PlayerVideo::force, AV_PIX_FMT_RGBA), VideoRange::FULL, false);
 738                                 image_as_png(image).write(path);
 739                         } else if (ext == ".jpg" || ext == ".jpeg") {
 740                                 auto image = video->image(boost::bind(PlayerVideo::force, AV_PIX_FMT_RGB24), VideoRange::FULL, false);
 741                                 image_as_jpeg(image, 80).write(path);
 742                         } else {
 743                                 error_dialog (this, _(wxString::Format("Unrecognised file extension %s (use .jpg, .jpeg or .png)", std_to_wx(ext))));
 744                         }
 745                         done = true;
 746                 });
 747
 748                 int tries_left = 50;
 749                 while (!done && tries_left >= 0) {
 750                         player->pass();
 751                         --tries_left;
 752                 }
 753
 754                 DCPOMATIC_ASSERT (tries_left >= 0);
 755         }
 756
 757         void file_history (wxCommandEvent& event)
 758         {
 759                 auto history = Config::instance()->player_history ();
 760                 int n = event.GetId() - ID_file_history;
 761                 if (n >= 0 && n < static_cast<int> (history.size ())) {
 762                         try {
 763                                 load_dcp (history[n]);
 764                         } catch (exception& e) {
 765                                 error_dialog (0, std_to_wx(String::compose(wx_to_std(_("Could not load DCP %1.")), history[n])), std_to_wx(e.what()));
 766                         }
 767                 }
 768         }
 769
 770         void file_close ()
 771         {
 772                 reset_film ();
 773                 _info->triggered_update ();
 774                 set_menu_sensitivity ();
 775         }
 776
 777         void file_exit ()
 778         {
 779                 Close ();
 780         }
 781
 782         void edit_preferences ()
 783         {
 784                 if (!Config::instance()->have_write_permission()) {
 785                         return;
 786                 }
 787
 788                 if (!_config_dialog) {
 789                         _config_dialog = create_player_config_dialog ();
 790                 }
 791                 _config_dialog->Show (this);
 792         }
 793
 794         void view_cpl (wxCommandEvent& ev)
 795         {
 796                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 797                 DCPOMATIC_ASSERT (dcp);
 798                 auto cpls = dcp::find_and_resolve_cpls (dcp->directories(), true);
 799                 int id = ev.GetId() - ID_view_cpl;
 800                 DCPOMATIC_ASSERT (id >= 0);
 801                 DCPOMATIC_ASSERT (id < int(cpls.size()));
 802                 auto i = cpls.begin();
 803                 while (id > 0) {
 804                         ++i;
 805                         --id;
 806                 }
 807
 808                 _viewer.set_coalesce_player_changes(true);
 809                 dcp->set_cpl ((*i)->id());
 810                 examine_content ();
 811                 _viewer.set_coalesce_player_changes(false);
 812
 813                 _info->triggered_update ();
 814         }
 815
 816         void view_full_screen ()
 817         {
 818                 if (_mode == Config::PLAYER_MODE_FULL) {
 819                         _mode = Config::PLAYER_MODE_WINDOW;
 820                 } else {
 821                         _mode = Config::PLAYER_MODE_FULL;
 822                 }
 823                 setup_screen ();
 824                 setup_menu ();
 825         }
 826
 827         void view_dual_screen ()
 828         {
 829                 if (_mode == Config::PLAYER_MODE_DUAL) {
 830                         _mode = Config::PLAYER_MODE_WINDOW;
 831                 } else {
 832                         _mode = Config::PLAYER_MODE_DUAL;
 833                 }
 834                 setup_screen ();
 835                 setup_menu ();
 836         }
 837
 838         void setup_menu ()
 839         {
 840                 if (_view_full_screen) {
 841                         _view_full_screen->Check (_mode == Config::PLAYER_MODE_FULL);
 842                 }
 843                 if (_view_dual_screen) {
 844                         _view_dual_screen->Check (_mode == Config::PLAYER_MODE_DUAL);
 845                 }
 846         }
 847
 848         void setup_screen ()
 849         {
 850                 _controls->Show (_mode != Config::PLAYER_MODE_FULL);
 851                 _info->Show (_mode != Config::PLAYER_MODE_FULL);
 852                 _overall_panel->SetBackgroundColour (_mode == Config::PLAYER_MODE_FULL ? wxColour(0, 0, 0) : wxNullColour);
 853                 ShowFullScreen (_mode == Config::PLAYER_MODE_FULL);
 854                 _viewer.set_pad_black(_mode != Config::PLAYER_MODE_WINDOW);
 855
 856                 if (_mode == Config::PLAYER_MODE_DUAL) {
 857                         _dual_screen = new wxFrame (this, wxID_ANY, wxT(""));
 858                         _dual_screen->SetBackgroundColour (wxColour(0, 0, 0));
 859                         _dual_screen->ShowFullScreen (true);
 860                         _viewer.panel()->Reparent(_dual_screen);
 861                         _viewer.panel()->SetFocus();
 862                         _dual_screen->Show ();
 863                         if (wxDisplay::GetCount() > 1) {
 864                                 switch (Config::instance()->image_display()) {
 865                                 case 0:
 866                                         _dual_screen->Move (0, 0);
 867                                         Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
 868                                         break;
 869                                 case 1:
 870                                         _dual_screen->Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
 871                                         // (0, 0) doesn't seem to work for some strange reason
 872                                         Move (8, 8);
 873                                         break;
 874                                 }
 875                         }
 876                         _dual_screen->Bind(wxEVT_CHAR_HOOK, boost::bind(&DOMFrame::dual_screen_key_press, this, _1));
 877                 } else {
 878                         if (_dual_screen) {
 879                                 _viewer.panel()->Reparent(_overall_panel);
 880                                 _dual_screen->Destroy ();
 881                                 _dual_screen = 0;
 882                         }
 883                 }
 884
 885                 setup_main_sizer (_mode);
 886         }
 887
 888         void dual_screen_key_press(wxKeyEvent& ev)
 889         {
 890                 if (ev.GetKeyCode() == WXK_F11) {
 891                         if (ev.ShiftDown()) {
 892                                 view_dual_screen();
 893                         } else if (!ev.HasAnyModifiers()) {
 894                                 view_full_screen();
 895                         }
 896                 }
 897         }
 898
 899         void view_closed_captions ()
 900         {
 901                 _viewer.show_closed_captions();
 902         }
 903
 904         void tools_verify ()
 905         {
 906                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 907                 DCPOMATIC_ASSERT (dcp);
 908
 909                 auto job = make_shared<VerifyDCPJob>(dcp->directories());
 910                 auto progress = make_wx<VerifyDCPProgressDialog>(this, _("DCP-o-matic Player"));
 911                 bool const completed = progress->run (job);
 912                 if (!completed) {
 913                         return;
 914                 }
 915
 916                 auto d = make_wx<VerifyDCPDialog>(this, job);
 917                 d->ShowModal ();
 918         }
 919
 920         void tools_check_for_updates ()
 921         {
 922                 UpdateChecker::instance()->run ();
 923                 _update_news_requested = true;
 924         }
 925
 926         void tools_timing ()
 927         {
 928                 auto d = make_wx<TimerDisplay>(this, _viewer.state_timer(), _viewer.gets());
 929                 d->ShowModal ();
 930         }
 931
 932         void tools_system_information ()
 933         {
 934                 if (!_system_information_dialog) {
 935                         _system_information_dialog = new SystemInformationDialog (this, _viewer);
 936                 }
 937
 938                 _system_information_dialog->Show ();
 939         }
 940
 941         void help_about ()
 942         {
 943                 auto d = make_wx<AboutDialog>(this);
 944                 d->ShowModal ();
 945         }
 946
 947         void help_report_a_problem ()
 948         {
 949                 auto d = make_wx<ReportProblemDialog>(this);
 950                 if (d->ShowModal () == wxID_OK) {
 951                         d->report ();
 952                 }
 953         }
 954
 955         void update_checker_state_changed ()
 956         {
 957                 auto uc = UpdateChecker::instance ();
 958
 959                 bool const announce =
 960                         _update_news_requested ||
 961                         (uc->stable() && Config::instance()->check_for_updates()) ||
 962                         (uc->test() && Config::instance()->check_for_updates() && Config::instance()->check_for_test_updates());
 963
 964                 _update_news_requested = false;
 965
 966                 if (!announce) {
 967                         return;
 968                 }
 969
 970                 if (uc->state() == UpdateChecker::State::YES) {
 971                         auto dialog = make_wx<UpdateDialog>(this, uc->stable (), uc->test ());
 972                         dialog->ShowModal ();
 973                 } else if (uc->state() == UpdateChecker::State::FAILED) {
 974                         error_dialog (this, _("The DCP-o-matic download server could not be contacted."));
 975                 } else {
 976                         error_dialog (this, _("There are no new versions of DCP-o-matic available."));
 977                 }
 978
 979                 _update_news_requested = false;
 980         }
 981
 982         void config_changed (Config::Property prop)
 983         {
 984                 /* Instantly save any config changes when using the player GUI */
 985                 try {
 986                         Config::instance()->write_config();
 987                 } catch (FileError& e) {
 988                         if (prop != Config::HISTORY) {
 989                                 error_dialog (
 990                                         this,
 991                                         wxString::Format(
 992                                                 _("Could not write to config file at %s.  Your changes have not been saved."),
 993                                                 std_to_wx(e.file().string())
 994                                                 )
 995                                         );
 996                         }
 997                 } catch (exception& e) {
 998                         error_dialog (
 999                                 this,
1000                                 _("Could not write to config file.  Your changes have not been saved.")
1001                                 );
1002                 }
1003
1004                 update_from_config (prop);
1005         }
1006
1007         void update_from_config (Config::Property prop)
1008         {
1009                 for (int i = 0; i < _history_items; ++i) {
1010                         delete _file_menu->Remove (ID_file_history + i);
1011                 }
1012
1013                 if (_history_separator) {
1014                         _file_menu->Remove (_history_separator);
1015                 }
1016                 delete _history_separator;
1017                 _history_separator = nullptr;
1018
1019                 int pos = _history_position;
1020
1021                 /* Clear out non-existent history items before we re-build the menu */
1022                 Config::instance()->clean_player_history ();
1023                 auto history = Config::instance()->player_history ();
1024
1025                 if (!history.empty ()) {
1026                         _history_separator = _file_menu->InsertSeparator (pos++);
1027                 }
1028
1029                 for (size_t i = 0; i < history.size(); ++i) {
1030                         string s;
1031                         if (i < 9) {
1032                                 s = String::compose ("&%1 %2", i + 1, history[i].string());
1033                         } else {
1034                                 s = history[i].string();
1035                         }
1036                         _file_menu->Insert (pos++, ID_file_history + i, std_to_wx (s));
1037                 }
1038
1039                 _history_items = history.size ();
1040
1041                 if (prop == Config::PLAYER_DEBUG_LOG) {
1042                         auto p = Config::instance()->player_debug_log_file();
1043                         if (p) {
1044                                 dcpomatic_log = make_shared<FileLog>(*p);
1045                         } else {
1046                                 dcpomatic_log = make_shared<NullLog>();
1047                         }
1048                         dcpomatic_log->set_types (LogEntry::TYPE_GENERAL | LogEntry::TYPE_WARNING | LogEntry::TYPE_ERROR | LogEntry::TYPE_DEBUG_VIDEO_VIEW);
1049                 }
1050         }
1051
1052         void set_menu_sensitivity ()
1053         {
1054                 _tools_verify->Enable (static_cast<bool>(_film));
1055                 _file_add_ov->Enable (static_cast<bool>(_film));
1056                 _file_add_kdm->Enable (static_cast<bool>(_film));
1057                 _file_save_frame->Enable (static_cast<bool>(_film));
1058                 _view_cpl->Enable (static_cast<bool>(_film));
1059         }
1060
1061         void start_stop_pressed ()
1062         {
1063                 if (_viewer.playing()) {
1064                         _viewer.stop();
1065                 } else {
1066                         _viewer.start();
1067                 }
1068         }
1069
1070         void go_back_frame ()
1071         {
1072                 _viewer.seek_by(-_viewer.one_video_frame(), true);
1073         }
1074
1075         void go_forward_frame ()
1076         {
1077                 _viewer.seek_by(_viewer.one_video_frame(), true);
1078         }
1079
1080         void go_seconds (int s)
1081         {
1082                 _viewer.seek_by(DCPTime::from_seconds(s), true);
1083         }
1084
1085         void go_to_start ()
1086         {
1087                 _viewer.seek(DCPTime(), true);
1088         }
1089
1090         void go_to_end ()
1091         {
1092                 _viewer.seek(_film->length() - _viewer.one_video_frame(), true);
1093         }
1094
1095         wxFrame* _dual_screen = nullptr;
1096         bool _update_news_requested = false;
1097         PlayerInformation* _info = nullptr;
1098         Config::PlayerMode _mode;
1099         wxPreferencesEditor* _config_dialog = nullptr;
1100         wxPanel* _overall_panel = nullptr;
1101         wxMenu* _file_menu = nullptr;
1102         wxMenuItem* _view_cpl = nullptr;
1103         wxMenu* _cpl_menu = nullptr;
1104         int _history_items = 0;
1105         int _history_position = 0;
1106         wxMenuItem* _history_separator = nullptr;
1107         FilmViewer _viewer;
1108         Controls* _controls;
1109         SystemInformationDialog* _system_information_dialog = nullptr;
1110         std::shared_ptr<Film> _film;
1111         boost::signals2::scoped_connection _config_changed_connection;
1112         boost::signals2::scoped_connection _examine_job_connection;
1113         wxMenuItem* _file_add_ov = nullptr;
1114         wxMenuItem* _file_add_kdm = nullptr;
1115         wxMenuItem* _file_save_frame = nullptr;
1116         wxMenuItem* _tools_verify = nullptr;
1117         wxMenuItem* _view_full_screen = nullptr;
1118         wxMenuItem* _view_dual_screen = nullptr;
1119         wxSizer* _main_sizer = nullptr;
1120         PlayerStressTester _stress;
1121 };
1122
1123 static const wxCmdLineEntryDesc command_line_description[] = {
1124         { wxCMD_LINE_PARAM, 0, 0, "DCP to load or create", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1125         { wxCMD_LINE_OPTION, "c", "config", "Directory containing config.xml", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1126         { wxCMD_LINE_OPTION, "s", "stress", "File containing description of stress test", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1127         { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
1128 };
1129
1130 class PlayServer : public Server
1131 {
1132 public:
1133         explicit PlayServer (DOMFrame* frame)
1134                 : Server (PLAYER_PLAY_PORT)
1135                 , _frame (frame)
1136         {}
1137
1138         void handle (shared_ptr<Socket> socket) override
1139         {
1140                 try {
1141                         int const length = socket->read_uint32 ();
1142                         scoped_array<char> buffer (new char[length]);
1143                         socket->read (reinterpret_cast<uint8_t*> (buffer.get()), length);
1144                         string s (buffer.get());
1145                         signal_manager->when_idle (bind (&DOMFrame::load_dcp, _frame, s));
1146                         socket->write (reinterpret_cast<uint8_t const *> ("OK"), 3);
1147                 } catch (...) {
1148
1149                 }
1150         }
1151
1152 private:
1153         DOMFrame* _frame;
1154 };
1155
1156 /** @class App
1157  *  @brief The magic App class for wxWidgets.
1158  */
1159 class App : public wxApp
1160 {
1161 public:
1162         App ()
1163                 : wxApp ()
1164         {
1165 #ifdef DCPOMATIC_LINUX
1166                 XInitThreads ();
1167 #endif
1168         }
1169
1170 private:
1171
1172         bool OnInit () override
1173         {
1174                 wx_ptr<wxSplashScreen> splash;
1175                 try {
1176                         wxInitAllImageHandlers ();
1177
1178                         Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
1179                         Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
1180
1181                         splash = maybe_show_splash ();
1182
1183                         SetAppName (_("DCP-o-matic Player"));
1184
1185                         if (!wxApp::OnInit()) {
1186                                 return false;
1187                         }
1188
1189 #ifdef DCPOMATIC_LINUX
1190                         unsetenv ("UBUNTU_MENUPROXY");
1191 #endif
1192
1193 #ifdef DCPOMATIC_OSX
1194                         make_foreground_application ();
1195 #endif
1196
1197                         dcpomatic_setup_path_encoding ();
1198
1199                         /* Enable i18n; this will create a Config object
1200                            to look for a force-configured language.  This Config
1201                            object will be wrong, however, because dcpomatic_setup
1202                            hasn't yet been called and there aren't any filters etc.
1203                            set up yet.
1204                         */
1205                         dcpomatic_setup_i18n ();
1206
1207                         /* Set things up, including filters etc.
1208                            which will now be internationalised correctly.
1209                         */
1210                         dcpomatic_setup ();
1211
1212                         /* Force the configuration to be re-loaded correctly next
1213                            time it is needed.
1214                         */
1215                         Config::drop ();
1216
1217                         signal_manager = new wxSignalManager (this);
1218
1219                         _frame = new DOMFrame ();
1220                         SetTopWindow (_frame);
1221                         _frame->Maximize ();
1222                         if (splash) {
1223                                 splash->Destroy ();
1224                                 splash = nullptr;
1225                         }
1226                         _frame->Show ();
1227
1228                         try {
1229                                 auto server = new PlayServer (_frame);
1230                                 new thread (boost::bind (&PlayServer::run, server));
1231                         } catch (std::exception& e) {
1232                                 /* This is not the end of the world; probably a failure to bind the server socket
1233                                  * because there's already another player running.
1234                                  */
1235                                 LOG_DEBUG_PLAYER ("Failed to start play server (%1)", e.what());
1236                         }
1237
1238                         if (!_dcp_to_load.empty() && boost::filesystem::is_directory (_dcp_to_load)) {
1239                                 try {
1240                                         _frame->load_dcp (_dcp_to_load);
1241                                 } catch (exception& e) {
1242                                         error_dialog (0, std_to_wx (String::compose (wx_to_std (_("Could not load DCP %1.")), _dcp_to_load)), std_to_wx(e.what()));
1243                                 }
1244                         }
1245
1246                         if (_stress) {
1247                                 try {
1248                                         _frame->load_stress_script (*_stress);
1249                                 } catch (exception& e) {
1250                                         error_dialog (0, wxString::Format("Could not load stress test file %s", std_to_wx(*_stress)));
1251                                 }
1252                         }
1253
1254                         Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
1255
1256                         if (Config::instance()->check_for_updates ()) {
1257                                 UpdateChecker::instance()->run ();
1258                         }
1259                 }
1260                 catch (exception& e)
1261                 {
1262                         if (splash) {
1263                                 splash->Destroy ();
1264                         }
1265                         error_dialog (0, _("DCP-o-matic Player could not start."), std_to_wx(e.what()));
1266                 }
1267
1268                 return true;
1269         }
1270
1271         void OnInitCmdLine (wxCmdLineParser& parser) override
1272         {
1273                 parser.SetDesc (command_line_description);
1274                 parser.SetSwitchChars (wxT ("-"));
1275         }
1276
1277         bool OnCmdLineParsed (wxCmdLineParser& parser) override
1278         {
1279                 if (parser.GetParamCount() > 0) {
1280                         _dcp_to_load = wx_to_std (parser.GetParam (0));
1281                 }
1282
1283                 wxString config;
1284                 if (parser.Found("c", &config)) {
1285                         Config::override_path = wx_to_std (config);
1286                 }
1287                 wxString stress;
1288                 if (parser.Found("s", &stress)) {
1289                         _stress = wx_to_std (stress);
1290                 }
1291
1292                 return true;
1293         }
1294
1295         void report_exception ()
1296         {
1297                 try {
1298                         throw;
1299                 } catch (FileError& e) {
1300                         error_dialog (
1301                                 0,
1302                                 wxString::Format (
1303                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
1304                                         std_to_wx (e.what()),
1305                                         std_to_wx (e.file().string().c_str ())
1306                                         )
1307                                 );
1308                 } catch (exception& e) {
1309                         error_dialog (
1310                                 0,
1311                                 wxString::Format (
1312                                         _("An exception occurred: %s.\n\n") + REPORT_PROBLEM,
1313                                         std_to_wx (e.what ())
1314                                         )
1315                                 );
1316                 } catch (...) {
1317                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
1318                 }
1319         }
1320
1321         /* An unhandled exception has occurred inside the main event loop */
1322         bool OnExceptionInMainLoop () override
1323         {
1324                 report_exception ();
1325                 /* This will terminate the program */
1326                 return false;
1327         }
1328
1329         void OnUnhandledException () override
1330         {
1331                 report_exception ();
1332         }
1333
1334         void idle ()
1335         {
1336                 signal_manager->ui_idle ();
1337         }
1338
1339         void config_failed_to_load ()
1340         {
1341                 message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
1342         }
1343
1344         void config_warning (string m)
1345         {
1346                 message_dialog (_frame, std_to_wx (m));
1347         }
1348
1349         DOMFrame* _frame = nullptr;
1350         string _dcp_to_load;
1351         boost::optional<string> _stress;
1352 };
1353
1354 IMPLEMENT_APP (App)