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