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                 _controls->set_film(_viewer.film());
 258                 _viewer.set_dcp_decode_reduction(Config::instance()->decode_reduction());
 259                 _viewer.set_optimise_for_j2k(true);
 260                 _viewer.PlaybackPermitted.connect(bind(&DOMFrame::playback_permitted, this));
 261                 _viewer.TooManyDropped.connect(bind(&DOMFrame::too_many_frames_dropped, this));
 262                 _info = new PlayerInformation (_overall_panel, _viewer);
 263                 setup_main_sizer (Config::instance()->player_mode());
 264 #ifdef __WXOSX__
 265                 int accelerators = 12;
 266 #else
 267                 int accelerators = 11;
 268 #endif
 269
 270                 _stress.setup (this, _controls);
 271
 272                 std::vector<wxAcceleratorEntry> accel(accelerators);
 273                 accel[0].Set(wxACCEL_NORMAL,                WXK_SPACE, ID_start_stop);
 274                 accel[1].Set(wxACCEL_NORMAL,                WXK_LEFT,  ID_go_back_frame);
 275                 accel[2].Set(wxACCEL_NORMAL,                WXK_RIGHT, ID_go_forward_frame);
 276                 accel[3].Set(wxACCEL_SHIFT,                 WXK_LEFT,  ID_go_back_small_amount);
 277                 accel[4].Set(wxACCEL_SHIFT,                 WXK_RIGHT, ID_go_forward_small_amount);
 278                 accel[5].Set(wxACCEL_CTRL,                  WXK_LEFT,  ID_go_back_medium_amount);
 279                 accel[6].Set(wxACCEL_CTRL,                  WXK_RIGHT, ID_go_forward_medium_amount);
 280                 accel[7].Set(wxACCEL_SHIFT | wxACCEL_CTRL,  WXK_LEFT,  ID_go_back_large_amount);
 281                 accel[8].Set(wxACCEL_SHIFT | wxACCEL_CTRL,  WXK_RIGHT, ID_go_forward_large_amount);
 282                 accel[9].Set(wxACCEL_NORMAL,                WXK_HOME,  ID_go_to_start);
 283                 accel[10].Set(wxACCEL_NORMAL,               WXK_END,   ID_go_to_end);
 284 #ifdef __WXOSX__
 285                 accel[11].Set(wxACCEL_CTRL, static_cast<int>('W'), ID_file_close);
 286 #endif
 287                 wxAcceleratorTable accel_table (accelerators, accel.data());
 288                 SetAcceleratorTable (accel_table);
 289
 290                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::start_stop_pressed, this), ID_start_stop);
 291                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_back_frame, this),      ID_go_back_frame);
 292                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_forward_frame, this),   ID_go_forward_frame);
 293                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   -60), ID_go_back_small_amount);
 294                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,    60), ID_go_forward_small_amount);
 295                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  -600), ID_go_back_medium_amount);
 296                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   600), ID_go_forward_medium_amount);
 297                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this, -3600), ID_go_back_large_amount);
 298                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  3600), ID_go_forward_large_amount);
 299                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_start, this), ID_go_to_start);
 300                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_end,   this), ID_go_to_end);
 301
 302                 reset_film ();
 303
 304                 UpdateChecker::instance()->StateChanged.connect (boost::bind(&DOMFrame::update_checker_state_changed, this));
 305                 setup_screen ();
 306
 307                 _stress.LoadDCP.connect (boost::bind(&DOMFrame::load_dcp, this, _1));
 308
 309                 SetDropTarget(new DCPDropTarget(this));
 310         }
 311
 312         ~DOMFrame ()
 313         {
 314                 /* It's important that this is stopped before our frame starts destroying its children,
 315                  * otherwise UI elements that it depends on will disappear from under it.
 316                  */
 317                 _viewer.stop();
 318         }
 319
 320         void close(wxCloseEvent& ev)
 321         {
 322                 FontConfig::drop();
 323                 ev.Skip();
 324         }
 325
 326         void setup_main_sizer (Config::PlayerMode mode)
 327         {
 328                 _main_sizer->Detach(_viewer.panel());
 329                 _main_sizer->Detach (_controls);
 330                 _main_sizer->Detach (_info);
 331                 if (mode != Config::PLAYER_MODE_DUAL) {
 332                         _main_sizer->Add(_viewer.panel(), 1, wxEXPAND);
 333                 }
 334                 _main_sizer->Add (_controls, mode == Config::PLAYER_MODE_DUAL ? 1 : 0, wxEXPAND | wxALL, 6);
 335                 _main_sizer->Add (_info, 0, wxEXPAND | wxALL, 6);
 336                 _overall_panel->SetSizer (_main_sizer);
 337                 _overall_panel->Layout ();
 338         }
 339
 340         bool playback_permitted ()
 341         {
 342                 if (!_film || !Config::instance()->respect_kdm_validity_periods()) {
 343                         return true;
 344                 }
 345
 346                 bool ok = true;
 347                 for (auto i: _film->content()) {
 348                         auto d = dynamic_pointer_cast<DCPContent>(i);
 349                         if (d && !d->kdm_timing_window_valid()) {
 350                                 ok = false;
 351                         }
 352                 }
 353
 354                 if (!ok) {
 355                         error_dialog (this, _("The KDM does not allow playback of this content at this time."));
 356                 }
 357
 358                 return ok;
 359         }
 360
 361
 362         void too_many_frames_dropped ()
 363         {
 364                 if (!Config::instance()->nagged(Config::NAG_TOO_MANY_DROPPED_FRAMES)) {
 365                         _viewer.stop();
 366                 }
 367
 368                 NagDialog::maybe_nag (
 369                         this,
 370                         Config::NAG_TOO_MANY_DROPPED_FRAMES,
 371                         _(wxS("The player is dropping a lot of frames, so playback may not be accurate.\n\n"
 372                           "<b>This does not necessarily mean that the DCP you are playing is defective!</b>\n\n"
 373                           "You may be able to improve player performance by:\n"
 374                           "• choosing 'decode at half resolution' or 'decode at quarter resolution' from the View menu\n"
 375                           "• using a more powerful computer.\n"
 376                          ))
 377                         );
 378         }
 379
 380         void set_decode_reduction (optional<int> reduction)
 381         {
 382                 _viewer.set_dcp_decode_reduction(reduction);
 383                 _info->triggered_update ();
 384                 Config::instance()->set_decode_reduction (reduction);
 385         }
 386
 387         void load_dcp (boost::filesystem::path dir)
 388         {
 389                 DCPOMATIC_ASSERT (_film);
 390
 391                 reset_film ();
 392                 try {
 393                         _stress.set_suspended (true);
 394                         auto dcp = make_shared<DCPContent>(dir);
 395                         auto job = make_shared<ExamineContentJob>(_film, dcp);
 396                         _examine_job_connection = job->Finished.connect(bind(&DOMFrame::add_dcp_to_film, this, weak_ptr<Job>(job), weak_ptr<Content>(dcp)));
 397                         JobManager::instance()->add (job);
 398                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 399                         if (!ok || !report_errors_from_last_job(this)) {
 400                                 return;
 401                         }
 402                         Config::instance()->add_to_player_history (dir);
 403                         if (dcp->video_frame_rate()) {
 404                                 _film->set_video_frame_rate(dcp->video_frame_rate().get(), true);
 405                         }
 406                 } catch (ProjectFolderError &) {
 407                         error_dialog (
 408                                 this,
 409                                 wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())),
 410                                 _(
 411                                         "This looks like a DCP-o-matic project folder, which cannot be loaded into the player.  "
 412                                         "Choose the DCP folder inside the DCP-o-matic project folder if that's what you want to play."
 413                                  )
 414                                 );
 415                 } catch (dcp::ReadError& e) {
 416                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 417                 } catch (DCPError& e) {
 418                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 419                 }
 420         }
 421
 422         void add_dcp_to_film (weak_ptr<Job> weak_job, weak_ptr<Content> weak_content)
 423         {
 424                 auto job = weak_job.lock ();
 425                 if (!job || !job->finished_ok()) {
 426                         return;
 427                 }
 428
 429                 auto content = weak_content.lock ();
 430                 if (!content) {
 431                         return;
 432                 }
 433
 434                 _film->add_content (content);
 435                 _stress.set_suspended (false);
 436         }
 437
 438         void reset_film_weak (weak_ptr<Film> weak_film)
 439         {
 440                 auto film = weak_film.lock ();
 441                 if (film) {
 442                         reset_film (film);
 443                 }
 444         }
 445
 446         void reset_film (shared_ptr<Film> film = shared_ptr<Film>(new Film(optional<boost::filesystem::path>())))
 447         {
 448                 _film = film;
 449                 _film->set_tolerant (true);
 450                 _film->set_audio_channels (MAX_DCP_AUDIO_CHANNELS);
 451                 _viewer.set_film(_film);
 452                 _controls->set_film (_film);
 453                 _film->Change.connect (bind(&DOMFrame::film_changed, this, _1, _2));
 454                 _info->triggered_update ();
 455         }
 456
 457         void film_changed (ChangeType type, Film::Property property)
 458         {
 459                 if (type != ChangeType::DONE || property != Film::Property::CONTENT) {
 460                         return;
 461                 }
 462
 463                 if (_viewer.playing()) {
 464                         _viewer.stop();
 465                 }
 466
 467                 /* Start off as Flat */
 468                 _film->set_container (Ratio::from_id("185"));
 469
 470                 for (auto i: _film->content()) {
 471                         auto dcp = dynamic_pointer_cast<DCPContent>(i);
 472
 473                         for (auto j: i->text) {
 474                                 j->set_use (true);
 475                         }
 476
 477                         if (i->video) {
 478                                 auto const r = Ratio::nearest_from_ratio(i->video->size().ratio());
 479                                 if (r->id() == "239") {
 480                                         /* Any scope content means we use scope */
 481                                         _film->set_container(r);
 482                                 }
 483                         }
 484
 485                         /* Any 3D content means we use 3D mode */
 486                         if (i->video && i->video->frame_type() != VideoFrameType::TWO_D) {
 487                                 _film->set_three_d (true);
 488                         }
 489                 }
 490
 491                 _viewer.seek(DCPTime(), true);
 492                 _info->triggered_update ();
 493
 494                 set_menu_sensitivity ();
 495
 496                 auto old = _cpl_menu->GetMenuItems();
 497                 for (auto const& i: old) {
 498                         _cpl_menu->Remove (i);
 499                 }
 500
 501                 if (_film->content().size() == 1) {
 502                         /* Offer a CPL menu */
 503                         auto first = dynamic_pointer_cast<DCPContent>(_film->content().front());
 504                         if (first) {
 505                                 int id = ID_view_cpl;
 506                                 for (auto i: dcp::find_and_resolve_cpls(first->directories(), true)) {
 507                                         auto j = _cpl_menu->AppendRadioItem(
 508                                                 id,
 509                                                 wxString::Format("%s (%s)", std_to_wx(i->annotation_text().get_value_or("")).data(), std_to_wx(i->id()).data())
 510                                                 );
 511                                         j->Check(!first->cpl() || i->id() == *first->cpl());
 512                                         ++id;
 513                                 }
 514                         }
 515                 }
 516         }
 517
 518         void load_stress_script (boost::filesystem::path path)
 519         {
 520                 _stress.load_script (path);
 521         }
 522
 523 private:
 524
 525         void examine_content ()
 526         {
 527                 DCPOMATIC_ASSERT (_film);
 528                 auto dcp = dynamic_pointer_cast<DCPContent>(_film->content().front());
 529                 DCPOMATIC_ASSERT (dcp);
 530                 dcp->examine (_film, shared_ptr<Job>());
 531
 532                 /* Examining content re-creates the TextContent objects, so we must re-enable them */
 533                 for (auto i: dcp->text) {
 534                         i->set_use (true);
 535                 }
 536         }
 537
 538         bool report_errors_from_last_job (wxWindow* parent) const
 539         {
 540                 auto jm = JobManager::instance ();
 541
 542                 DCPOMATIC_ASSERT (!jm->get().empty());
 543
 544                 auto last = jm->get().back();
 545                 if (last->finished_in_error()) {
 546                         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()));
 547                         return false;
 548                 }
 549
 550                 return true;
 551         }
 552
 553         void setup_menu (wxMenuBar* m)
 554         {
 555                 _file_menu = new wxMenu;
 556                 _file_menu->Append (ID_file_open, _("&Open...\tCtrl-O"));
 557                 _file_add_ov = _file_menu->Append (ID_file_add_ov, _("&Add OV..."));
 558                 _file_add_kdm = _file_menu->Append (ID_file_add_kdm, _("Add &KDM..."));
 559                 _file_menu->AppendSeparator ();
 560                 _file_save_frame = _file_menu->Append (ID_file_save_frame, _("&Save frame to file...\tCtrl-S"));
 561
 562                 _history_position = _file_menu->GetMenuItems().GetCount();
 563
 564                 _file_menu->AppendSeparator ();
 565                 _file_menu->Append (ID_file_close, _("&Close"));
 566                 _file_menu->AppendSeparator ();
 567
 568 #ifdef __WXOSX__
 569                 _file_menu->Append (wxID_EXIT, _("&Exit"));
 570 #else
 571                 _file_menu->Append (wxID_EXIT, _("&Quit"));
 572 #endif
 573
 574 #ifdef __WXOSX__
 575                 auto prefs = _file_menu->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 576 #else
 577                 auto edit = new wxMenu;
 578                 auto prefs = edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 579 #endif
 580
 581                 prefs->Enable (Config::instance()->have_write_permission());
 582
 583                 _cpl_menu = new wxMenu;
 584
 585                 auto view = new wxMenu;
 586                 auto c = Config::instance()->decode_reduction();
 587                 _view_cpl = view->Append(ID_view_cpl, _("CPL"), _cpl_menu);
 588                 view->AppendSeparator();
 589                 _view_full_screen = view->AppendCheckItem(ID_view_full_screen, _("Full screen\tF11"));
 590                 _view_dual_screen = view->AppendCheckItem(ID_view_dual_screen, _("Dual screen\tShift+F11"));
 591                 setup_menu ();
 592                 view->AppendSeparator();
 593                 view->Append(ID_view_closed_captions, _("Closed captions..."));
 594                 view->AppendSeparator();
 595                 view->AppendRadioItem(ID_view_scale_appropriate, _("Set decode resolution to match display"))->Check(!static_cast<bool>(c));
 596                 view->AppendRadioItem(ID_view_scale_full, _("Decode at full resolution"))->Check(c && c.get() == 0);
 597                 view->AppendRadioItem(ID_view_scale_half, _("Decode at half resolution"))->Check(c && c.get() == 1);
 598                 view->AppendRadioItem(ID_view_scale_quarter, _("Decode at quarter resolution"))->Check(c && c.get() == 2);
 599
 600                 auto tools = new wxMenu;
 601                 _tools_verify = tools->Append (ID_tools_verify, _("Verify DCP..."));
 602                 tools->AppendSeparator ();
 603                 tools->Append (ID_tools_check_for_updates, _("Check for updates"));
 604                 tools->Append (ID_tools_timing, _("Timing..."));
 605                 tools->Append (ID_tools_system_information, _("System information..."));
 606
 607                 auto help = new wxMenu;
 608 #ifdef __WXOSX__
 609                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 610 #else
 611                 help->Append (wxID_ABOUT, _("About"));
 612 #endif
 613                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 614
 615                 m->Append (_file_menu, _("&File"));
 616 #ifndef __WXOSX__
 617                 m->Append (edit, _("&Edit"));
 618 #endif
 619                 m->Append (view, _("&View"));
 620                 m->Append (tools, _("&Tools"));
 621                 m->Append (help, _("&Help"));
 622         }
 623
 624         void file_open ()
 625         {
 626                 auto d = wxStandardPaths::Get().GetDocumentsDir();
 627                 if (Config::instance()->last_player_load_directory()) {
 628                         d = std_to_wx (Config::instance()->last_player_load_directory()->string());
 629                 }
 630
 631                 auto c = make_wx<wxDirDialog>(this, _("Select DCP to open"), d, wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST);
 632
 633                 int r;
 634                 while (true) {
 635                         r = c->ShowModal ();
 636                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 637                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 638                         } else {
 639                                 break;
 640                         }
 641                 }
 642
 643                 if (r == wxID_OK) {
 644                         boost::filesystem::path const dcp (wx_to_std (c->GetPath ()));
 645                         load_dcp (dcp);
 646                         Config::instance()->set_last_player_load_directory (dcp.parent_path());
 647                 }
 648         }
 649
 650         void file_add_ov ()
 651         {
 652                 auto initial_dir = wxStandardPaths::Get().GetDocumentsDir();
 653                 if (Config::instance()->last_player_load_directory()) {
 654                         initial_dir = std_to_wx(Config::instance()->last_player_load_directory()->string());
 655                 }
 656
 657                 auto c = make_wx<wxDirDialog>(
 658                         this,
 659                         _("Select DCP to open as OV"),
 660                         initial_dir,
 661                         wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST
 662                         );
 663
 664                 int r;
 665                 while (true) {
 666                         r = c->ShowModal ();
 667                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 668                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 669                         } else {
 670                                 break;
 671                         }
 672                 }
 673
 674                 if (r == wxID_OK) {
 675                         DCPOMATIC_ASSERT (_film);
 676                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 677                         DCPOMATIC_ASSERT (dcp);
 678                         dcp->add_ov (wx_to_std(c->GetPath()));
 679                         JobManager::instance()->add(make_shared<ExamineContentJob>(_film, dcp));
 680                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 681                         if (!ok || !report_errors_from_last_job(this)) {
 682                                 return;
 683                         }
 684                         for (auto i: dcp->text) {
 685                                 i->set_use (true);
 686                         }
 687                         if (dcp->video) {
 688                                 auto const r = Ratio::nearest_from_ratio(dcp->video->size().ratio());
 689                                 if (r) {
 690                                         _film->set_container(r);
 691                                 }
 692                         }
 693                 }
 694
 695                 _info->triggered_update ();
 696         }
 697
 698         void file_add_kdm ()
 699         {
 700                 auto d = make_wx<wxFileDialog>(this, _("Select KDM"));
 701
 702                 if (d->ShowModal() == wxID_OK) {
 703                         DCPOMATIC_ASSERT (_film);
 704                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 705                         DCPOMATIC_ASSERT (dcp);
 706                         try {
 707                                 if (dcp) {
 708                                         _viewer.set_coalesce_player_changes(true);
 709                                         dcp->add_kdm (dcp::EncryptedKDM(dcp::file_to_string(wx_to_std(d->GetPath()), MAX_KDM_SIZE)));
 710                                         examine_content();
 711                                         _viewer.set_coalesce_player_changes(false);
 712                                 }
 713                         } catch (exception& e) {
 714                                 error_dialog (this, wxString::Format (_("Could not load KDM.")), std_to_wx(e.what()));
 715                                 return;
 716                         }
 717                 }
 718
 719                 _info->triggered_update ();
 720         }
 721
 722         void file_save_frame ()
 723         {
 724                 wxFileDialog dialog (this, _("Save frame to file"), "", "", "PNG files (*.png)|*.png|JPEG files (*.jpg;*.jpeg)|*.jpg;*.jpeg", wxFD_SAVE | wxFD_OVERWRITE_PROMPT);
 725                 if (dialog.ShowModal() == wxID_CANCEL) {
 726                         return;
 727                 }
 728
 729                 auto path = boost::filesystem::path (wx_to_std(dialog.GetPath()));
 730
 731                 auto player = make_shared<Player>(_film, Image::Alignment::PADDED);
 732                 player->seek(_viewer.position(), true);
 733
 734                 bool done = false;
 735                 player->Video.connect ([path, &done, this](shared_ptr<PlayerVideo> video, DCPTime) {
 736                         auto ext = boost::algorithm::to_lower_copy(path.extension().string());
 737                         if (ext == ".png") {
 738                                 auto image = video->image(boost::bind(PlayerVideo::force, AV_PIX_FMT_RGBA), VideoRange::FULL, false);
 739                                 image_as_png(image).write(path);
 740                         } else if (ext == ".jpg" || ext == ".jpeg") {
 741                                 auto image = video->image(boost::bind(PlayerVideo::force, AV_PIX_FMT_RGB24), VideoRange::FULL, false);
 742                                 image_as_jpeg(image, 80).write(path);
 743                         } else {
 744                                 error_dialog (this, _(wxString::Format("Unrecognised file extension %s (use .jpg, .jpeg or .png)", std_to_wx(ext))));
 745                         }
 746                         done = true;
 747                 });
 748
 749                 int tries_left = 50;
 750                 while (!done && tries_left >= 0) {
 751                         player->pass();
 752                         --tries_left;
 753                 }
 754
 755                 DCPOMATIC_ASSERT (tries_left >= 0);
 756         }
 757
 758         void file_history (wxCommandEvent& event)
 759         {
 760                 auto history = Config::instance()->player_history ();
 761                 int n = event.GetId() - ID_file_history;
 762                 if (n >= 0 && n < static_cast<int> (history.size ())) {
 763                         try {
 764                                 load_dcp (history[n]);
 765                         } catch (exception& e) {
 766                                 error_dialog (0, std_to_wx(String::compose(wx_to_std(_("Could not load DCP %1.")), history[n])), std_to_wx(e.what()));
 767                         }
 768                 }
 769         }
 770
 771         void file_close ()
 772         {
 773                 reset_film ();
 774                 _info->triggered_update ();
 775                 set_menu_sensitivity ();
 776         }
 777
 778         void file_exit ()
 779         {
 780                 Close ();
 781         }
 782
 783         void edit_preferences ()
 784         {
 785                 if (!Config::instance()->have_write_permission()) {
 786                         return;
 787                 }
 788
 789                 if (!_config_dialog) {
 790                         _config_dialog = create_player_config_dialog ();
 791                 }
 792                 _config_dialog->Show (this);
 793         }
 794
 795         void view_cpl (wxCommandEvent& ev)
 796         {
 797                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 798                 DCPOMATIC_ASSERT (dcp);
 799                 auto cpls = dcp::find_and_resolve_cpls (dcp->directories(), true);
 800                 int id = ev.GetId() - ID_view_cpl;
 801                 DCPOMATIC_ASSERT (id >= 0);
 802                 DCPOMATIC_ASSERT (id < int(cpls.size()));
 803                 auto i = cpls.begin();
 804                 while (id > 0) {
 805                         ++i;
 806                         --id;
 807                 }
 808
 809                 _viewer.set_coalesce_player_changes(true);
 810                 dcp->set_cpl ((*i)->id());
 811                 examine_content ();
 812                 _viewer.set_coalesce_player_changes(false);
 813
 814                 _info->triggered_update ();
 815         }
 816
 817         void view_full_screen ()
 818         {
 819                 if (_mode == Config::PLAYER_MODE_FULL) {
 820                         _mode = Config::PLAYER_MODE_WINDOW;
 821                 } else {
 822                         _mode = Config::PLAYER_MODE_FULL;
 823                 }
 824                 setup_screen ();
 825                 setup_menu ();
 826         }
 827
 828         void view_dual_screen ()
 829         {
 830                 if (_mode == Config::PLAYER_MODE_DUAL) {
 831                         _mode = Config::PLAYER_MODE_WINDOW;
 832                 } else {
 833                         _mode = Config::PLAYER_MODE_DUAL;
 834                 }
 835                 setup_screen ();
 836                 setup_menu ();
 837         }
 838
 839         void setup_menu ()
 840         {
 841                 if (_view_full_screen) {
 842                         _view_full_screen->Check (_mode == Config::PLAYER_MODE_FULL);
 843                 }
 844                 if (_view_dual_screen) {
 845                         _view_dual_screen->Check (_mode == Config::PLAYER_MODE_DUAL);
 846                 }
 847         }
 848
 849         void setup_screen ()
 850         {
 851                 _controls->Show (_mode != Config::PLAYER_MODE_FULL);
 852                 _info->Show (_mode != Config::PLAYER_MODE_FULL);
 853                 _overall_panel->SetBackgroundColour (_mode == Config::PLAYER_MODE_FULL ? wxColour(0, 0, 0) : wxNullColour);
 854                 ShowFullScreen (_mode == Config::PLAYER_MODE_FULL);
 855                 _viewer.set_pad_black(_mode != Config::PLAYER_MODE_WINDOW);
 856
 857                 if (_mode == Config::PLAYER_MODE_DUAL) {
 858                         _dual_screen = new wxFrame (this, wxID_ANY, wxT(""));
 859                         _dual_screen->SetBackgroundColour (wxColour(0, 0, 0));
 860                         _dual_screen->ShowFullScreen (true);
 861                         _viewer.panel()->Reparent(_dual_screen);
 862                         _viewer.panel()->SetFocus();
 863                         _dual_screen->Show ();
 864                         if (wxDisplay::GetCount() > 1) {
 865                                 switch (Config::instance()->image_display()) {
 866                                 case 0:
 867                                         _dual_screen->Move (0, 0);
 868                                         Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
 869                                         break;
 870                                 case 1:
 871                                         _dual_screen->Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
 872                                         // (0, 0) doesn't seem to work for some strange reason
 873                                         Move (8, 8);
 874                                         break;
 875                                 }
 876                         }
 877                         _dual_screen->Bind(wxEVT_CHAR_HOOK, boost::bind(&DOMFrame::dual_screen_key_press, this, _1));
 878                 } else {
 879                         if (_dual_screen) {
 880                                 _viewer.panel()->Reparent(_overall_panel);
 881                                 _dual_screen->Destroy ();
 882                                 _dual_screen = 0;
 883                         }
 884                 }
 885
 886                 setup_main_sizer (_mode);
 887         }
 888
 889         void dual_screen_key_press(wxKeyEvent& ev)
 890         {
 891                 if (ev.GetKeyCode() == WXK_F11) {
 892                         if (ev.ShiftDown()) {
 893                                 view_dual_screen();
 894                         } else if (!ev.HasAnyModifiers()) {
 895                                 view_full_screen();
 896                         }
 897                 }
 898         }
 899
 900         void view_closed_captions ()
 901         {
 902                 _viewer.show_closed_captions();
 903         }
 904
 905         void tools_verify ()
 906         {
 907                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 908                 DCPOMATIC_ASSERT (dcp);
 909
 910                 auto job = make_shared<VerifyDCPJob>(dcp->directories());
 911                 VerifyDCPProgressDialog progress(this, _("DCP-o-matic Player"));
 912                 bool const completed = progress.run(job);
 913                 progress.Close();
 914
 915                 if (completed) {
 916                         VerifyDCPDialog dialog(this, job);
 917                         dialog.ShowModal();
 918                 }
 919         }
 920
 921         void tools_check_for_updates ()
 922         {
 923                 UpdateChecker::instance()->run ();
 924                 _update_news_requested = true;
 925         }
 926
 927         void tools_timing ()
 928         {
 929                 auto d = make_wx<TimerDisplay>(this, _viewer.state_timer(), _viewer.gets());
 930                 d->ShowModal ();
 931         }
 932
 933         void tools_system_information ()
 934         {
 935                 if (!_system_information_dialog) {
 936                         _system_information_dialog = new SystemInformationDialog (this, _viewer);
 937                 }
 938
 939                 _system_information_dialog->Show ();
 940         }
 941
 942         void help_about ()
 943         {
 944                 auto d = make_wx<AboutDialog>(this);
 945                 d->ShowModal ();
 946         }
 947
 948         void help_report_a_problem ()
 949         {
 950                 auto d = make_wx<ReportProblemDialog>(this);
 951                 if (d->ShowModal () == wxID_OK) {
 952                         d->report ();
 953                 }
 954         }
 955
 956         void update_checker_state_changed ()
 957         {
 958                 auto uc = UpdateChecker::instance ();
 959
 960                 bool const announce =
 961                         _update_news_requested ||
 962                         (uc->stable() && Config::instance()->check_for_updates()) ||
 963                         (uc->test() && Config::instance()->check_for_updates() && Config::instance()->check_for_test_updates());
 964
 965                 _update_news_requested = false;
 966
 967                 if (!announce) {
 968                         return;
 969                 }
 970
 971                 if (uc->state() == UpdateChecker::State::YES) {
 972                         auto dialog = make_wx<UpdateDialog>(this, uc->stable (), uc->test ());
 973                         dialog->ShowModal ();
 974                 } else if (uc->state() == UpdateChecker::State::FAILED) {
 975                         error_dialog (this, _("The DCP-o-matic download server could not be contacted."));
 976                 } else {
 977                         error_dialog (this, _("There are no new versions of DCP-o-matic available."));
 978                 }
 979
 980                 _update_news_requested = false;
 981         }
 982
 983         void config_changed (Config::Property prop)
 984         {
 985                 /* Instantly save any config changes when using the player GUI */
 986                 try {
 987                         Config::instance()->write_config();
 988                 } catch (FileError& e) {
 989                         if (prop != Config::HISTORY) {
 990                                 error_dialog (
 991                                         this,
 992                                         wxString::Format(
 993                                                 _("Could not write to config file at %s.  Your changes have not been saved."),
 994                                                 std_to_wx(e.file().string())
 995                                                 )
 996                                         );
 997                         }
 998                 } catch (exception& e) {
 999                         error_dialog (
1000                                 this,
1001                                 _("Could not write to config file.  Your changes have not been saved.")
1002                                 );
1003                 }
1004
1005                 update_from_config (prop);
1006         }
1007
1008         void update_from_config (Config::Property prop)
1009         {
1010                 for (int i = 0; i < _history_items; ++i) {
1011                         delete _file_menu->Remove (ID_file_history + i);
1012                 }
1013
1014                 if (_history_separator) {
1015                         _file_menu->Remove (_history_separator);
1016                 }
1017                 delete _history_separator;
1018                 _history_separator = nullptr;
1019
1020                 int pos = _history_position;
1021
1022                 /* Clear out non-existent history items before we re-build the menu */
1023                 Config::instance()->clean_player_history ();
1024                 auto history = Config::instance()->player_history ();
1025
1026                 if (!history.empty ()) {
1027                         _history_separator = _file_menu->InsertSeparator (pos++);
1028                 }
1029
1030                 for (size_t i = 0; i < history.size(); ++i) {
1031                         string s;
1032                         if (i < 9) {
1033                                 s = String::compose ("&%1 %2", i + 1, history[i].string());
1034                         } else {
1035                                 s = history[i].string();
1036                         }
1037                         _file_menu->Insert (pos++, ID_file_history + i, std_to_wx (s));
1038                 }
1039
1040                 _history_items = history.size ();
1041
1042                 if (prop == Config::PLAYER_DEBUG_LOG) {
1043                         auto p = Config::instance()->player_debug_log_file();
1044                         if (p) {
1045                                 dcpomatic_log = make_shared<FileLog>(*p);
1046                         } else {
1047                                 dcpomatic_log = make_shared<NullLog>();
1048                         }
1049                         dcpomatic_log->set_types (LogEntry::TYPE_GENERAL | LogEntry::TYPE_WARNING | LogEntry::TYPE_ERROR | LogEntry::TYPE_DEBUG_VIDEO_VIEW);
1050                 }
1051         }
1052
1053         void set_menu_sensitivity ()
1054         {
1055                 _tools_verify->Enable (static_cast<bool>(_film));
1056                 _file_add_ov->Enable (static_cast<bool>(_film));
1057                 _file_add_kdm->Enable (static_cast<bool>(_film));
1058                 _file_save_frame->Enable (static_cast<bool>(_film));
1059                 _view_cpl->Enable (static_cast<bool>(_film));
1060         }
1061
1062         void start_stop_pressed ()
1063         {
1064                 if (_viewer.playing()) {
1065                         _viewer.stop();
1066                 } else {
1067                         _viewer.start();
1068                 }
1069         }
1070
1071         void go_back_frame ()
1072         {
1073                 _viewer.seek_by(-_viewer.one_video_frame(), true);
1074         }
1075
1076         void go_forward_frame ()
1077         {
1078                 _viewer.seek_by(_viewer.one_video_frame(), true);
1079         }
1080
1081         void go_seconds (int s)
1082         {
1083                 _viewer.seek_by(DCPTime::from_seconds(s), true);
1084         }
1085
1086         void go_to_start ()
1087         {
1088                 _viewer.seek(DCPTime(), true);
1089         }
1090
1091         void go_to_end ()
1092         {
1093                 _viewer.seek(_film->length() - _viewer.one_video_frame(), true);
1094         }
1095
1096         wxFrame* _dual_screen = nullptr;
1097         bool _update_news_requested = false;
1098         PlayerInformation* _info = nullptr;
1099         Config::PlayerMode _mode;
1100         wxPreferencesEditor* _config_dialog = nullptr;
1101         wxPanel* _overall_panel = nullptr;
1102         wxMenu* _file_menu = nullptr;
1103         wxMenuItem* _view_cpl = nullptr;
1104         wxMenu* _cpl_menu = nullptr;
1105         int _history_items = 0;
1106         int _history_position = 0;
1107         wxMenuItem* _history_separator = nullptr;
1108         FilmViewer _viewer;
1109         Controls* _controls;
1110         SystemInformationDialog* _system_information_dialog = nullptr;
1111         std::shared_ptr<Film> _film;
1112         boost::signals2::scoped_connection _config_changed_connection;
1113         boost::signals2::scoped_connection _examine_job_connection;
1114         wxMenuItem* _file_add_ov = nullptr;
1115         wxMenuItem* _file_add_kdm = nullptr;
1116         wxMenuItem* _file_save_frame = nullptr;
1117         wxMenuItem* _tools_verify = nullptr;
1118         wxMenuItem* _view_full_screen = nullptr;
1119         wxMenuItem* _view_dual_screen = nullptr;
1120         wxSizer* _main_sizer = nullptr;
1121         PlayerStressTester _stress;
1122 };
1123
1124 static const wxCmdLineEntryDesc command_line_description[] = {
1125         { wxCMD_LINE_PARAM, 0, 0, "DCP to load or create", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1126         { wxCMD_LINE_OPTION, "c", "config", "Directory containing config.xml", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1127         { wxCMD_LINE_OPTION, "s", "stress", "File containing description of stress test", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1128         { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
1129 };
1130
1131 class PlayServer : public Server
1132 {
1133 public:
1134         explicit PlayServer (DOMFrame* frame)
1135                 : Server (PLAYER_PLAY_PORT)
1136                 , _frame (frame)
1137         {}
1138
1139         void handle (shared_ptr<Socket> socket) override
1140         {
1141                 try {
1142                         int const length = socket->read_uint32 ();
1143                         scoped_array<char> buffer (new char[length]);
1144                         socket->read (reinterpret_cast<uint8_t*> (buffer.get()), length);
1145                         string s (buffer.get());
1146                         signal_manager->when_idle (bind (&DOMFrame::load_dcp, _frame, s));
1147                         socket->write (reinterpret_cast<uint8_t const *> ("OK"), 3);
1148                 } catch (...) {
1149
1150                 }
1151         }
1152
1153 private:
1154         DOMFrame* _frame;
1155 };
1156
1157 /** @class App
1158  *  @brief The magic App class for wxWidgets.
1159  */
1160 class App : public wxApp
1161 {
1162 public:
1163         App ()
1164                 : wxApp ()
1165         {
1166 #ifdef DCPOMATIC_LINUX
1167                 XInitThreads ();
1168 #endif
1169         }
1170
1171 private:
1172
1173         bool OnInit () override
1174         {
1175                 wxSplashScreen* splash;
1176                 try {
1177                         wxInitAllImageHandlers ();
1178
1179                         Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
1180                         Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
1181
1182                         splash = maybe_show_splash ();
1183
1184                         SetAppName (_("DCP-o-matic Player"));
1185
1186                         if (!wxApp::OnInit()) {
1187                                 return false;
1188                         }
1189
1190 #ifdef DCPOMATIC_LINUX
1191                         unsetenv ("UBUNTU_MENUPROXY");
1192 #endif
1193
1194 #ifdef DCPOMATIC_OSX
1195                         make_foreground_application ();
1196 #endif
1197
1198                         dcpomatic_setup_path_encoding ();
1199
1200                         /* Enable i18n; this will create a Config object
1201                            to look for a force-configured language.  This Config
1202                            object will be wrong, however, because dcpomatic_setup
1203                            hasn't yet been called and there aren't any filters etc.
1204                            set up yet.
1205                         */
1206                         dcpomatic_setup_i18n ();
1207
1208                         /* Set things up, including filters etc.
1209                            which will now be internationalised correctly.
1210                         */
1211                         dcpomatic_setup ();
1212
1213                         /* Force the configuration to be re-loaded correctly next
1214                            time it is needed.
1215                         */
1216                         Config::drop ();
1217
1218                         signal_manager = new wxSignalManager (this);
1219
1220                         _frame = new DOMFrame ();
1221                         SetTopWindow (_frame);
1222                         _frame->Maximize ();
1223                         if (splash) {
1224                                 splash->Destroy ();
1225                                 splash = nullptr;
1226                         }
1227                         _frame->Show ();
1228
1229                         try {
1230                                 auto server = new PlayServer (_frame);
1231                                 new thread (boost::bind (&PlayServer::run, server));
1232                         } catch (std::exception& e) {
1233                                 /* This is not the end of the world; probably a failure to bind the server socket
1234                                  * because there's already another player running.
1235                                  */
1236                                 LOG_DEBUG_PLAYER ("Failed to start play server (%1)", e.what());
1237                         }
1238
1239                         if (!_dcp_to_load.empty() && boost::filesystem::is_directory (_dcp_to_load)) {
1240                                 try {
1241                                         _frame->load_dcp (_dcp_to_load);
1242                                 } catch (exception& e) {
1243                                         error_dialog (0, std_to_wx (String::compose (wx_to_std (_("Could not load DCP %1.")), _dcp_to_load)), std_to_wx(e.what()));
1244                                 }
1245                         }
1246
1247                         if (_stress) {
1248                                 try {
1249                                         _frame->load_stress_script (*_stress);
1250                                 } catch (exception& e) {
1251                                         error_dialog (0, wxString::Format("Could not load stress test file %s", std_to_wx(*_stress)));
1252                                 }
1253                         }
1254
1255                         Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
1256
1257                         if (Config::instance()->check_for_updates ()) {
1258                                 UpdateChecker::instance()->run ();
1259                         }
1260                 }
1261                 catch (exception& e)
1262                 {
1263                         if (splash) {
1264                                 splash->Destroy ();
1265                         }
1266                         error_dialog (0, _("DCP-o-matic Player could not start."), std_to_wx(e.what()));
1267                 }
1268
1269                 return true;
1270         }
1271
1272         void OnInitCmdLine (wxCmdLineParser& parser) override
1273         {
1274                 parser.SetDesc (command_line_description);
1275                 parser.SetSwitchChars (wxT ("-"));
1276         }
1277
1278         bool OnCmdLineParsed (wxCmdLineParser& parser) override
1279         {
1280                 if (parser.GetParamCount() > 0) {
1281                         _dcp_to_load = wx_to_std (parser.GetParam (0));
1282                 }
1283
1284                 wxString config;
1285                 if (parser.Found("c", &config)) {
1286                         Config::override_path = wx_to_std (config);
1287                 }
1288                 wxString stress;
1289                 if (parser.Found("s", &stress)) {
1290                         _stress = wx_to_std (stress);
1291                 }
1292
1293                 return true;
1294         }
1295
1296         void report_exception ()
1297         {
1298                 try {
1299                         throw;
1300                 } catch (FileError& e) {
1301                         error_dialog (
1302                                 0,
1303                                 wxString::Format (
1304                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
1305                                         std_to_wx (e.what()),
1306                                         std_to_wx (e.file().string().c_str ())
1307                                         )
1308                                 );
1309                 } catch (exception& e) {
1310                         error_dialog (
1311                                 0,
1312                                 wxString::Format (
1313                                         _("An exception occurred: %s.\n\n") + REPORT_PROBLEM,
1314                                         std_to_wx (e.what ())
1315                                         )
1316                                 );
1317                 } catch (...) {
1318                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
1319                 }
1320         }
1321
1322         /* An unhandled exception has occurred inside the main event loop */
1323         bool OnExceptionInMainLoop () override
1324         {
1325                 report_exception ();
1326                 /* This will terminate the program */
1327                 return false;
1328         }
1329
1330         void OnUnhandledException () override
1331         {
1332                 report_exception ();
1333         }
1334
1335         void idle ()
1336         {
1337                 signal_manager->ui_idle ();
1338         }
1339
1340         void config_failed_to_load ()
1341         {
1342                 message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
1343         }
1344
1345         void config_warning (string m)
1346         {
1347                 message_dialog (_frame, std_to_wx (m));
1348         }
1349
1350         DOMFrame* _frame = nullptr;
1351         string _dcp_to_load;
1352         boost::optional<string> _stress;
1353 };
1354
1355 IMPLEMENT_APP (App)