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/filesystem.h>
  72 #include <dcp/raw_convert.h>
  73 #include <dcp/search.h>
  74 #include <dcp/warnings.h>
  75 LIBDCP_DISABLE_WARNINGS
  76 #include <wx/cmdline.h>
  77 #include <wx/display.h>
  78 #include <wx/dnd.h>
  79 #include <wx/preferences.h>
  80 #include <wx/progdlg.h>
  81 #include <wx/splash.h>
  82 #include <wx/stdpaths.h>
  83 #include <wx/wx.h>
  84 LIBDCP_ENABLE_WARNINGS
  85 #ifdef __WXGTK__
  86 #include <X11/Xlib.h>
  87 #endif
  88 #include <boost/algorithm/string.hpp>
  89 #include <boost/bind/bind.hpp>
  90 #include <iostream>
  91
  92 #ifdef check
  93 #undef check
  94 #endif
  95
  96
  97 #define MAX_CPLS 32
  98
  99
 100 using std::cout;
 101 using std::dynamic_pointer_cast;
 102 using std::exception;
 103 using std::list;
 104 using std::make_shared;
 105 using std::shared_ptr;
 106 using std::string;
 107 using std::vector;
 108 using std::weak_ptr;
 109 using boost::bind;
 110 using boost::optional;
 111 using boost::scoped_array;
 112 using boost::thread;
 113 #if BOOST_VERSION >= 106100
 114 using namespace boost::placeholders;
 115 #endif
 116 using dcp::raw_convert;
 117 using namespace dcpomatic;
 118
 119
 120 enum {
 121         ID_file_open = 1,
 122         ID_file_add_ov,
 123         ID_file_add_kdm,
 124         ID_file_save_frame,
 125         ID_file_history,
 126         /* Allow spare IDs after _history for the recent files list */
 127         ID_file_close = 100,
 128         ID_view_cpl,
 129         /* Allow spare IDs for CPLs */
 130         ID_view_full_screen = 200,
 131         ID_view_dual_screen,
 132         ID_view_closed_captions,
 133         ID_view_scale_appropriate,
 134         ID_view_scale_full,
 135         ID_view_scale_half,
 136         ID_view_scale_quarter,
 137         ID_help_report_a_problem,
 138         ID_tools_verify,
 139         ID_tools_check_for_updates,
 140         ID_tools_timing,
 141         ID_tools_system_information,
 142         /* IDs for shortcuts (with no associated menu item) */
 143         ID_start_stop,
 144         ID_go_back_frame,
 145         ID_go_forward_frame,
 146         ID_go_back_small_amount,
 147         ID_go_forward_small_amount,
 148         ID_go_back_medium_amount,
 149         ID_go_forward_medium_amount,
 150         ID_go_back_large_amount,
 151         ID_go_forward_large_amount,
 152         ID_go_to_start,
 153         ID_go_to_end
 154 };
 155
 156
 157 class DOMFrame : public wxFrame
 158 {
 159 public:
 160
 161         class DCPDropTarget : public wxFileDropTarget
 162         {
 163         public:
 164                 DCPDropTarget(DOMFrame* owner)
 165                         : _frame(owner)
 166                 {}
 167
 168                 bool OnDropFiles(wxCoord, wxCoord, wxArrayString const& filenames) override
 169                 {
 170                         if (filenames.GetCount() == 1) {
 171                                 /* Try to load a directory */
 172                                 auto path = boost::filesystem::path(wx_to_std(filenames[0]));
 173                                 if (dcp::filesystem::is_directory(path)) {
 174                                         _frame->load_dcp(wx_to_std(filenames[0]));
 175                                         return true;
 176                                 }
 177                         }
 178
 179                         if (filenames.GetCount() >= 1) {
 180                                 /* Try to load the parent if we drop some files, one if which is an asset map */
 181                                 for (size_t i = 0; i < filenames.GetCount(); ++i) {
 182                                         auto path = boost::filesystem::path(wx_to_std(filenames[i]));
 183                                         if (path.filename() == "ASSETMAP" || path.filename() == "ASSETMAP.xml") {
 184                                                 _frame->load_dcp(path.parent_path());
 185                                                 return true;
 186                                         }
 187                                 }
 188                         }
 189
 190                         return false;
 191                 }
 192
 193         private:
 194                 DOMFrame* _frame;
 195         };
 196
 197
 198         DOMFrame ()
 199                 : wxFrame (nullptr, -1, _("DCP-o-matic Player"))
 200                 , _mode (Config::instance()->player_mode())
 201                 /* Use a panel as the only child of the Frame so that we avoid
 202                    the dark-grey background on Windows.
 203                 */
 204                 , _overall_panel(new wxPanel(this, wxID_ANY))
 205                 , _viewer(_overall_panel)
 206                 , _main_sizer (new wxBoxSizer(wxVERTICAL))
 207         {
 208                 dcpomatic_log = make_shared<NullLog>();
 209
 210 #if defined(DCPOMATIC_WINDOWS)
 211                 maybe_open_console ();
 212                 cout << "DCP-o-matic Player is starting." << "\n";
 213 #endif
 214
 215                 auto bar = new wxMenuBar;
 216                 setup_menu (bar);
 217                 set_menu_sensitivity ();
 218                 SetMenuBar (bar);
 219
 220 #ifdef DCPOMATIC_WINDOWS
 221                 SetIcon (wxIcon (std_to_wx ("id")));
 222 #endif
 223
 224                 _config_changed_connection = Config::instance()->Changed.connect (boost::bind (&DOMFrame::config_changed, this, _1));
 225                 update_from_config (Config::PLAYER_DEBUG_LOG);
 226
 227                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_open, this), ID_file_open);
 228                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_ov, this), ID_file_add_ov);
 229                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_kdm, this), ID_file_add_kdm);
 230                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_save_frame, this), ID_file_save_frame);
 231                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_history, this, _1), ID_file_history, ID_file_history + HISTORY_SIZE);
 232                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_close, this), ID_file_close);
 233                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this), wxID_EXIT);
 234                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this), wxID_PREFERENCES);
 235                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_full_screen, this), ID_view_full_screen);
 236                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_dual_screen, this), ID_view_dual_screen);
 237                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_closed_captions, this), ID_view_closed_captions);
 238                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_cpl, this, _1), ID_view_cpl, ID_view_cpl + MAX_CPLS);
 239                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(0)), ID_view_scale_full);
 240                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(1)), ID_view_scale_half);
 241                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(2)), ID_view_scale_quarter);
 242                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this), wxID_ABOUT);
 243                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this), ID_help_report_a_problem);
 244                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_verify, this), ID_tools_verify);
 245                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_check_for_updates, this), ID_tools_check_for_updates);
 246                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_timing, this), ID_tools_timing);
 247                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_system_information, this), ID_tools_system_information);
 248
 249                 Bind(wxEVT_CLOSE_WINDOW, boost::bind(&DOMFrame::close, this, _1));
 250
 251                 if (Config::instance()->player_mode() == Config::PLAYER_MODE_DUAL) {
 252                         auto pc = new PlaylistControls (_overall_panel, _viewer);
 253                         _controls = pc;
 254                         pc->ResetFilm.connect (bind(&DOMFrame::reset_film_weak, this, _1));
 255                 } else {
 256                         _controls = new StandardControls (_overall_panel, _viewer, false);
 257                 }
 258                 _controls->set_film(_viewer.film());
 259                 _viewer.set_dcp_decode_reduction(Config::instance()->decode_reduction());
 260                 _viewer.set_optimise_for_j2k(true);
 261                 _viewer.PlaybackPermitted.connect(bind(&DOMFrame::playback_permitted, this));
 262                 _viewer.TooManyDropped.connect(bind(&DOMFrame::too_many_frames_dropped, this));
 263                 _info = new PlayerInformation (_overall_panel, _viewer);
 264                 setup_main_sizer (Config::instance()->player_mode());
 265 #ifdef __WXOSX__
 266                 int accelerators = 12;
 267 #else
 268                 int accelerators = 11;
 269 #endif
 270
 271                 _stress.setup (this, _controls);
 272
 273                 std::vector<wxAcceleratorEntry> accel(accelerators);
 274                 accel[0].Set(wxACCEL_NORMAL,                WXK_SPACE, ID_start_stop);
 275                 accel[1].Set(wxACCEL_NORMAL,                WXK_LEFT,  ID_go_back_frame);
 276                 accel[2].Set(wxACCEL_NORMAL,                WXK_RIGHT, ID_go_forward_frame);
 277                 accel[3].Set(wxACCEL_SHIFT,                 WXK_LEFT,  ID_go_back_small_amount);
 278                 accel[4].Set(wxACCEL_SHIFT,                 WXK_RIGHT, ID_go_forward_small_amount);
 279                 accel[5].Set(wxACCEL_CTRL,                  WXK_LEFT,  ID_go_back_medium_amount);
 280                 accel[6].Set(wxACCEL_CTRL,                  WXK_RIGHT, ID_go_forward_medium_amount);
 281                 accel[7].Set(wxACCEL_SHIFT | wxACCEL_CTRL,  WXK_LEFT,  ID_go_back_large_amount);
 282                 accel[8].Set(wxACCEL_SHIFT | wxACCEL_CTRL,  WXK_RIGHT, ID_go_forward_large_amount);
 283                 accel[9].Set(wxACCEL_NORMAL,                WXK_HOME,  ID_go_to_start);
 284                 accel[10].Set(wxACCEL_NORMAL,               WXK_END,   ID_go_to_end);
 285 #ifdef __WXOSX__
 286                 accel[11].Set(wxACCEL_CTRL, static_cast<int>('W'), ID_file_close);
 287 #endif
 288                 wxAcceleratorTable accel_table (accelerators, accel.data());
 289                 SetAcceleratorTable (accel_table);
 290
 291                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::start_stop_pressed, this), ID_start_stop);
 292                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_back_frame, this),      ID_go_back_frame);
 293                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_forward_frame, this),   ID_go_forward_frame);
 294                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   -60), ID_go_back_small_amount);
 295                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,    60), ID_go_forward_small_amount);
 296                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  -600), ID_go_back_medium_amount);
 297                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   600), ID_go_forward_medium_amount);
 298                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this, -3600), ID_go_back_large_amount);
 299                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  3600), ID_go_forward_large_amount);
 300                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_start, this), ID_go_to_start);
 301                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_end,   this), ID_go_to_end);
 302
 303                 reset_film ();
 304
 305                 UpdateChecker::instance()->StateChanged.connect (boost::bind(&DOMFrame::update_checker_state_changed, this));
 306                 setup_screen ();
 307
 308                 _stress.LoadDCP.connect (boost::bind(&DOMFrame::load_dcp, this, _1));
 309
 310                 SetDropTarget(new DCPDropTarget(this));
 311         }
 312
 313         ~DOMFrame ()
 314         {
 315                 /* It's important that this is stopped before our frame starts destroying its children,
 316                  * otherwise UI elements that it depends on will disappear from under it.
 317                  */
 318                 _viewer.stop();
 319         }
 320
 321         void close(wxCloseEvent& ev)
 322         {
 323                 FontConfig::drop();
 324                 ev.Skip();
 325         }
 326
 327         void setup_main_sizer (Config::PlayerMode mode)
 328         {
 329                 _main_sizer->Detach(_viewer.panel());
 330                 _main_sizer->Detach (_controls);
 331                 _main_sizer->Detach (_info);
 332                 if (mode != Config::PLAYER_MODE_DUAL) {
 333                         _main_sizer->Add(_viewer.panel(), 1, wxEXPAND);
 334                 }
 335                 _main_sizer->Add (_controls, mode == Config::PLAYER_MODE_DUAL ? 1 : 0, wxEXPAND | wxALL, 6);
 336                 _main_sizer->Add (_info, 0, wxEXPAND | wxALL, 6);
 337                 _overall_panel->SetSizer (_main_sizer);
 338                 _overall_panel->Layout ();
 339         }
 340
 341         bool playback_permitted ()
 342         {
 343                 if (!_film || !Config::instance()->respect_kdm_validity_periods()) {
 344                         return true;
 345                 }
 346
 347                 bool ok = true;
 348                 for (auto i: _film->content()) {
 349                         auto d = dynamic_pointer_cast<DCPContent>(i);
 350                         if (d && !d->kdm_timing_window_valid()) {
 351                                 ok = false;
 352                         }
 353                 }
 354
 355                 if (!ok) {
 356                         error_dialog (this, _("The KDM does not allow playback of this content at this time."));
 357                 }
 358
 359                 return ok;
 360         }
 361
 362
 363         void too_many_frames_dropped ()
 364         {
 365                 if (!Config::instance()->nagged(Config::NAG_TOO_MANY_DROPPED_FRAMES)) {
 366                         _viewer.stop();
 367                 }
 368
 369                 NagDialog::maybe_nag (
 370                         this,
 371                         Config::NAG_TOO_MANY_DROPPED_FRAMES,
 372                         _(wxS("The player is dropping a lot of frames, so playback may not be accurate.\n\n"
 373                           "<b>This does not necessarily mean that the DCP you are playing is defective!</b>\n\n"
 374                           "You may be able to improve player performance by:\n"
 375                           "• choosing 'decode at half resolution' or 'decode at quarter resolution' from the View menu\n"
 376                           "• using a more powerful computer.\n"
 377                          ))
 378                         );
 379         }
 380
 381         void set_decode_reduction (optional<int> reduction)
 382         {
 383                 _viewer.set_dcp_decode_reduction(reduction);
 384                 _info->triggered_update ();
 385                 Config::instance()->set_decode_reduction (reduction);
 386         }
 387
 388         void load_dcp (boost::filesystem::path dir)
 389         {
 390                 DCPOMATIC_ASSERT (_film);
 391
 392                 reset_film ();
 393                 try {
 394                         _stress.set_suspended (true);
 395                         auto dcp = make_shared<DCPContent>(dir);
 396                         auto job = make_shared<ExamineContentJob>(_film, dcp);
 397                         _examine_job_connection = job->Finished.connect(bind(&DOMFrame::add_dcp_to_film, this, weak_ptr<Job>(job), weak_ptr<Content>(dcp)));
 398                         JobManager::instance()->add (job);
 399                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 400                         if (!ok || !report_errors_from_last_job(this)) {
 401                                 return;
 402                         }
 403                         Config::instance()->add_to_player_history (dir);
 404                         if (dcp->video_frame_rate()) {
 405                                 _film->set_video_frame_rate(dcp->video_frame_rate().get(), true);
 406                         }
 407                 } catch (ProjectFolderError &) {
 408                         error_dialog (
 409                                 this,
 410                                 wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())),
 411                                 _(
 412                                         "This looks like a DCP-o-matic project folder, which cannot be loaded into the player.  "
 413                                         "Choose the DCP folder inside the DCP-o-matic project folder if that's what you want to play."
 414                                  )
 415                                 );
 416                 } catch (dcp::ReadError& e) {
 417                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 418                 } catch (DCPError& e) {
 419                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 420                 }
 421         }
 422
 423         void add_dcp_to_film (weak_ptr<Job> weak_job, weak_ptr<Content> weak_content)
 424         {
 425                 auto job = weak_job.lock ();
 426                 if (!job || !job->finished_ok()) {
 427                         return;
 428                 }
 429
 430                 auto content = weak_content.lock ();
 431                 if (!content) {
 432                         return;
 433                 }
 434
 435                 _film->add_content (content);
 436                 _stress.set_suspended (false);
 437         }
 438
 439         void reset_film_weak (weak_ptr<Film> weak_film)
 440         {
 441                 auto film = weak_film.lock ();
 442                 if (film) {
 443                         reset_film (film);
 444                 }
 445         }
 446
 447         void reset_film (shared_ptr<Film> film = shared_ptr<Film>(new Film(optional<boost::filesystem::path>())))
 448         {
 449                 _film = film;
 450                 _film->set_tolerant (true);
 451                 _film->set_audio_channels (MAX_DCP_AUDIO_CHANNELS);
 452                 _viewer.set_film(_film);
 453                 _controls->set_film (_film);
 454                 _film->Change.connect (bind(&DOMFrame::film_changed, this, _1, _2));
 455                 _info->triggered_update ();
 456         }
 457
 458         void film_changed (ChangeType type, FilmProperty property)
 459         {
 460                 if (type != ChangeType::DONE || property != FilmProperty::CONTENT) {
 461                         return;
 462                 }
 463
 464                 if (_viewer.playing()) {
 465                         _viewer.stop();
 466                 }
 467
 468                 /* Start off as Flat */
 469                 _film->set_container (Ratio::from_id("185"));
 470
 471                 for (auto i: _film->content()) {
 472                         auto dcp = dynamic_pointer_cast<DCPContent>(i);
 473
 474                         for (auto j: i->text) {
 475                                 j->set_use (true);
 476                         }
 477
 478                         if (i->video) {
 479                                 auto const r = Ratio::nearest_from_ratio(i->video->size().ratio());
 480                                 if (r->id() == "239") {
 481                                         /* Any scope content means we use scope */
 482                                         _film->set_container(r);
 483                                 }
 484                         }
 485
 486                         /* Any 3D content means we use 3D mode */
 487                         if (i->video && i->video->frame_type() != VideoFrameType::TWO_D) {
 488                                 _film->set_three_d (true);
 489                         }
 490                 }
 491
 492                 _viewer.seek(DCPTime(), true);
 493                 _info->triggered_update ();
 494
 495                 set_menu_sensitivity ();
 496
 497                 auto old = _cpl_menu->GetMenuItems();
 498                 for (auto const& i: old) {
 499                         _cpl_menu->Remove (i);
 500                 }
 501
 502                 if (_film->content().size() == 1) {
 503                         /* Offer a CPL menu */
 504                         auto first = dynamic_pointer_cast<DCPContent>(_film->content().front());
 505                         if (first) {
 506                                 int id = ID_view_cpl;
 507                                 for (auto i: dcp::find_and_resolve_cpls(first->directories(), true)) {
 508                                         auto j = _cpl_menu->AppendRadioItem(
 509                                                 id,
 510                                                 wxString::Format("%s (%s)", std_to_wx(i->annotation_text().get_value_or("")).data(), std_to_wx(i->id()).data())
 511                                                 );
 512                                         j->Check(!first->cpl() || i->id() == *first->cpl());
 513                                         ++id;
 514                                 }
 515                         }
 516                 }
 517         }
 518
 519         void load_stress_script (boost::filesystem::path path)
 520         {
 521                 _stress.load_script (path);
 522         }
 523
 524 private:
 525
 526         void examine_content ()
 527         {
 528                 DCPOMATIC_ASSERT (_film);
 529                 auto dcp = dynamic_pointer_cast<DCPContent>(_film->content().front());
 530                 DCPOMATIC_ASSERT (dcp);
 531                 dcp->examine (_film, shared_ptr<Job>());
 532
 533                 /* Examining content re-creates the TextContent objects, so we must re-enable them */
 534                 for (auto i: dcp->text) {
 535                         i->set_use (true);
 536                 }
 537         }
 538
 539         bool report_errors_from_last_job (wxWindow* parent) const
 540         {
 541                 auto jm = JobManager::instance ();
 542
 543                 DCPOMATIC_ASSERT (!jm->get().empty());
 544
 545                 auto last = jm->get().back();
 546                 if (last->finished_in_error()) {
 547                         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()));
 548                         return false;
 549                 }
 550
 551                 return true;
 552         }
 553
 554         void setup_menu (wxMenuBar* m)
 555         {
 556                 _file_menu = new wxMenu;
 557                 _file_menu->Append (ID_file_open, _("&Open...\tCtrl-O"));
 558                 _file_add_ov = _file_menu->Append (ID_file_add_ov, _("&Add OV..."));
 559                 _file_add_kdm = _file_menu->Append (ID_file_add_kdm, _("Add &KDM..."));
 560                 _file_menu->AppendSeparator ();
 561                 _file_save_frame = _file_menu->Append (ID_file_save_frame, _("&Save frame to file...\tCtrl-S"));
 562
 563                 _history_position = _file_menu->GetMenuItems().GetCount();
 564
 565                 _file_menu->AppendSeparator ();
 566                 _file_menu->Append (ID_file_close, _("&Close"));
 567                 _file_menu->AppendSeparator ();
 568
 569 #ifdef __WXOSX__
 570                 _file_menu->Append (wxID_EXIT, _("&Exit"));
 571 #else
 572                 _file_menu->Append (wxID_EXIT, _("&Quit"));
 573 #endif
 574
 575 #ifdef __WXOSX__
 576                 auto prefs = _file_menu->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 577 #else
 578                 auto edit = new wxMenu;
 579                 auto prefs = edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 580 #endif
 581
 582                 prefs->Enable (Config::instance()->have_write_permission());
 583
 584                 _cpl_menu = new wxMenu;
 585
 586                 auto view = new wxMenu;
 587                 auto c = Config::instance()->decode_reduction();
 588                 _view_cpl = view->Append(ID_view_cpl, _("CPL"), _cpl_menu);
 589                 view->AppendSeparator();
 590                 _view_full_screen = view->AppendCheckItem(ID_view_full_screen, _("Full screen\tF11"));
 591                 _view_dual_screen = view->AppendCheckItem(ID_view_dual_screen, _("Dual screen\tShift+F11"));
 592                 setup_menu ();
 593                 view->AppendSeparator();
 594                 view->Append(ID_view_closed_captions, _("Closed captions..."));
 595                 view->AppendSeparator();
 596                 view->AppendRadioItem(ID_view_scale_appropriate, _("Set decode resolution to match display"))->Check(!static_cast<bool>(c));
 597                 view->AppendRadioItem(ID_view_scale_full, _("Decode at full resolution"))->Check(c && c.get() == 0);
 598                 view->AppendRadioItem(ID_view_scale_half, _("Decode at half resolution"))->Check(c && c.get() == 1);
 599                 view->AppendRadioItem(ID_view_scale_quarter, _("Decode at quarter resolution"))->Check(c && c.get() == 2);
 600
 601                 auto tools = new wxMenu;
 602                 _tools_verify = tools->Append (ID_tools_verify, _("Verify DCP..."));
 603                 tools->AppendSeparator ();
 604                 tools->Append (ID_tools_check_for_updates, _("Check for updates"));
 605                 tools->Append (ID_tools_timing, _("Timing..."));
 606                 tools->Append (ID_tools_system_information, _("System information..."));
 607
 608                 auto help = new wxMenu;
 609 #ifdef __WXOSX__
 610                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 611 #else
 612                 help->Append (wxID_ABOUT, _("About"));
 613 #endif
 614                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 615
 616                 m->Append (_file_menu, _("&File"));
 617 #ifndef __WXOSX__
 618                 m->Append (edit, _("&Edit"));
 619 #endif
 620                 m->Append (view, _("&View"));
 621                 m->Append (tools, _("&Tools"));
 622                 m->Append (help, _("&Help"));
 623         }
 624
 625         void file_open ()
 626         {
 627                 auto d = wxStandardPaths::Get().GetDocumentsDir();
 628                 if (Config::instance()->last_player_load_directory()) {
 629                         d = std_to_wx (Config::instance()->last_player_load_directory()->string());
 630                 }
 631
 632                 auto c = make_wx<wxDirDialog>(this, _("Select DCP to open"), d, wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST);
 633
 634                 int r;
 635                 while (true) {
 636                         r = c->ShowModal ();
 637                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 638                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 639                         } else {
 640                                 break;
 641                         }
 642                 }
 643
 644                 if (r == wxID_OK) {
 645                         boost::filesystem::path const dcp (wx_to_std (c->GetPath ()));
 646                         load_dcp (dcp);
 647                         Config::instance()->set_last_player_load_directory (dcp.parent_path());
 648                 }
 649         }
 650
 651         void file_add_ov ()
 652         {
 653                 auto initial_dir = wxStandardPaths::Get().GetDocumentsDir();
 654                 if (Config::instance()->last_player_load_directory()) {
 655                         initial_dir = std_to_wx(Config::instance()->last_player_load_directory()->string());
 656                 }
 657
 658                 auto c = make_wx<wxDirDialog>(
 659                         this,
 660                         _("Select DCP to open as OV"),
 661                         initial_dir,
 662                         wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST
 663                         );
 664
 665                 int r;
 666                 while (true) {
 667                         r = c->ShowModal ();
 668                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 669                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 670                         } else {
 671                                 break;
 672                         }
 673                 }
 674
 675                 if (r == wxID_OK) {
 676                         DCPOMATIC_ASSERT (_film);
 677                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 678                         DCPOMATIC_ASSERT (dcp);
 679                         dcp->add_ov (wx_to_std(c->GetPath()));
 680                         JobManager::instance()->add(make_shared<ExamineContentJob>(_film, dcp));
 681                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 682                         if (!ok || !report_errors_from_last_job(this)) {
 683                                 return;
 684                         }
 685                         for (auto i: dcp->text) {
 686                                 i->set_use (true);
 687                         }
 688                         if (dcp->video) {
 689                                 auto const r = Ratio::nearest_from_ratio(dcp->video->size().ratio());
 690                                 if (r) {
 691                                         _film->set_container(r);
 692                                 }
 693                         }
 694                 }
 695
 696                 _info->triggered_update ();
 697         }
 698
 699         void file_add_kdm ()
 700         {
 701                 auto d = make_wx<wxFileDialog>(this, _("Select KDM"));
 702
 703                 if (d->ShowModal() == wxID_OK) {
 704                         DCPOMATIC_ASSERT (_film);
 705                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 706                         DCPOMATIC_ASSERT (dcp);
 707                         try {
 708                                 if (dcp) {
 709                                         _viewer.set_coalesce_player_changes(true);
 710                                         dcp->add_kdm (dcp::EncryptedKDM(dcp::file_to_string(wx_to_std(d->GetPath()), MAX_KDM_SIZE)));
 711                                         examine_content();
 712                                         _viewer.set_coalesce_player_changes(false);
 713                                 }
 714                         } catch (exception& e) {
 715                                 error_dialog (this, wxString::Format (_("Could not load KDM.")), std_to_wx(e.what()));
 716                                 return;
 717                         }
 718                 }
 719
 720                 _info->triggered_update ();
 721         }
 722
 723         void file_save_frame ()
 724         {
 725                 wxFileDialog dialog (this, _("Save frame to file"), "", "", "PNG files (*.png)|*.png|JPEG files (*.jpg;*.jpeg)|*.jpg;*.jpeg", wxFD_SAVE | wxFD_OVERWRITE_PROMPT);
 726                 if (dialog.ShowModal() == wxID_CANCEL) {
 727                         return;
 728                 }
 729
 730                 auto path = boost::filesystem::path (wx_to_std(dialog.GetPath()));
 731
 732                 auto player = make_shared<Player>(_film, Image::Alignment::PADDED);
 733                 player->seek(_viewer.position(), true);
 734
 735                 bool done = false;
 736                 player->Video.connect ([path, &done, this](shared_ptr<PlayerVideo> video, DCPTime) {
 737                         auto ext = boost::algorithm::to_lower_copy(path.extension().string());
 738                         if (ext == ".png") {
 739                                 auto image = video->image(boost::bind(PlayerVideo::force, AV_PIX_FMT_RGBA), VideoRange::FULL, false);
 740                                 image_as_png(image).write(path);
 741                         } else if (ext == ".jpg" || ext == ".jpeg") {
 742                                 auto image = video->image(boost::bind(PlayerVideo::force, AV_PIX_FMT_RGB24), VideoRange::FULL, false);
 743                                 image_as_jpeg(image, 80).write(path);
 744                         } else {
 745                                 error_dialog (this, _(wxString::Format("Unrecognised file extension %s (use .jpg, .jpeg or .png)", std_to_wx(ext))));
 746                         }
 747                         done = true;
 748                 });
 749
 750                 int tries_left = 50;
 751                 while (!done && tries_left >= 0) {
 752                         player->pass();
 753                         --tries_left;
 754                 }
 755
 756                 DCPOMATIC_ASSERT (tries_left >= 0);
 757         }
 758
 759         void file_history (wxCommandEvent& event)
 760         {
 761                 auto history = Config::instance()->player_history ();
 762                 int n = event.GetId() - ID_file_history;
 763                 if (n >= 0 && n < static_cast<int> (history.size ())) {
 764                         try {
 765                                 load_dcp (history[n]);
 766                         } catch (exception& e) {
 767                                 error_dialog (0, std_to_wx(String::compose(wx_to_std(_("Could not load DCP %1.")), history[n])), std_to_wx(e.what()));
 768                         }
 769                 }
 770         }
 771
 772         void file_close ()
 773         {
 774                 reset_film ();
 775                 _info->triggered_update ();
 776                 set_menu_sensitivity ();
 777         }
 778
 779         void file_exit ()
 780         {
 781                 Close ();
 782         }
 783
 784         void edit_preferences ()
 785         {
 786                 if (!Config::instance()->have_write_permission()) {
 787                         return;
 788                 }
 789
 790                 if (!_config_dialog) {
 791                         _config_dialog = create_player_config_dialog ();
 792                 }
 793                 _config_dialog->Show (this);
 794         }
 795
 796         void view_cpl (wxCommandEvent& ev)
 797         {
 798                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 799                 DCPOMATIC_ASSERT (dcp);
 800                 auto cpls = dcp::find_and_resolve_cpls (dcp->directories(), true);
 801                 int id = ev.GetId() - ID_view_cpl;
 802                 DCPOMATIC_ASSERT (id >= 0);
 803                 DCPOMATIC_ASSERT (id < int(cpls.size()));
 804                 auto i = cpls.begin();
 805                 while (id > 0) {
 806                         ++i;
 807                         --id;
 808                 }
 809
 810                 _viewer.set_coalesce_player_changes(true);
 811                 dcp->set_cpl ((*i)->id());
 812                 examine_content ();
 813                 _viewer.set_coalesce_player_changes(false);
 814
 815                 _info->triggered_update ();
 816         }
 817
 818         void view_full_screen ()
 819         {
 820                 if (_mode == Config::PLAYER_MODE_FULL) {
 821                         _mode = Config::PLAYER_MODE_WINDOW;
 822                 } else {
 823                         _mode = Config::PLAYER_MODE_FULL;
 824                 }
 825                 setup_screen ();
 826                 setup_menu ();
 827         }
 828
 829         void view_dual_screen ()
 830         {
 831                 if (_mode == Config::PLAYER_MODE_DUAL) {
 832                         _mode = Config::PLAYER_MODE_WINDOW;
 833                 } else {
 834                         _mode = Config::PLAYER_MODE_DUAL;
 835                 }
 836                 setup_screen ();
 837                 setup_menu ();
 838         }
 839
 840         void setup_menu ()
 841         {
 842                 if (_view_full_screen) {
 843                         _view_full_screen->Check (_mode == Config::PLAYER_MODE_FULL);
 844                 }
 845                 if (_view_dual_screen) {
 846                         _view_dual_screen->Check (_mode == Config::PLAYER_MODE_DUAL);
 847                 }
 848         }
 849
 850         void setup_screen ()
 851         {
 852                 _controls->Show (_mode != Config::PLAYER_MODE_FULL);
 853                 _info->Show (_mode != Config::PLAYER_MODE_FULL);
 854                 _overall_panel->SetBackgroundColour (_mode == Config::PLAYER_MODE_FULL ? wxColour(0, 0, 0) : wxNullColour);
 855                 ShowFullScreen (_mode == Config::PLAYER_MODE_FULL);
 856                 _viewer.set_pad_black(_mode != Config::PLAYER_MODE_WINDOW);
 857
 858                 if (_mode == Config::PLAYER_MODE_DUAL) {
 859                         _dual_screen = new wxFrame (this, wxID_ANY, wxT(""));
 860                         _dual_screen->SetBackgroundColour (wxColour(0, 0, 0));
 861                         _dual_screen->ShowFullScreen (true);
 862                         _viewer.panel()->Reparent(_dual_screen);
 863                         _viewer.panel()->SetFocus();
 864                         _dual_screen->Show ();
 865                         if (wxDisplay::GetCount() > 1) {
 866                                 switch (Config::instance()->image_display()) {
 867                                 case 0:
 868                                         _dual_screen->Move (0, 0);
 869                                         Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
 870                                         break;
 871                                 case 1:
 872                                         _dual_screen->Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
 873                                         // (0, 0) doesn't seem to work for some strange reason
 874                                         Move (8, 8);
 875                                         break;
 876                                 }
 877                         }
 878                         _dual_screen->Bind(wxEVT_CHAR_HOOK, boost::bind(&DOMFrame::dual_screen_key_press, this, _1));
 879                 } else {
 880                         if (_dual_screen) {
 881                                 _viewer.panel()->Reparent(_overall_panel);
 882                                 _dual_screen->Destroy ();
 883                                 _dual_screen = 0;
 884                         }
 885                 }
 886
 887                 setup_main_sizer (_mode);
 888         }
 889
 890         void dual_screen_key_press(wxKeyEvent& ev)
 891         {
 892                 if (ev.GetKeyCode() == WXK_F11) {
 893                         if (ev.ShiftDown()) {
 894                                 view_dual_screen();
 895                         } else if (!ev.HasAnyModifiers()) {
 896                                 view_full_screen();
 897                         }
 898                 }
 899         }
 900
 901         void view_closed_captions ()
 902         {
 903                 _viewer.show_closed_captions();
 904         }
 905
 906         void tools_verify ()
 907         {
 908                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 909                 DCPOMATIC_ASSERT (dcp);
 910
 911                 auto job = make_shared<VerifyDCPJob>(dcp->directories());
 912                 VerifyDCPProgressDialog progress(this, _("DCP-o-matic Player"));
 913                 bool const completed = progress.run(job);
 914                 progress.Close();
 915
 916                 if (completed) {
 917                         VerifyDCPDialog dialog(this, job);
 918                         dialog.ShowModal();
 919                 }
 920         }
 921
 922         void tools_check_for_updates ()
 923         {
 924                 UpdateChecker::instance()->run ();
 925                 _update_news_requested = true;
 926         }
 927
 928         void tools_timing ()
 929         {
 930                 auto d = make_wx<TimerDisplay>(this, _viewer.state_timer(), _viewer.gets());
 931                 d->ShowModal ();
 932         }
 933
 934         void tools_system_information ()
 935         {
 936                 if (!_system_information_dialog) {
 937                         _system_information_dialog = new SystemInformationDialog (this, _viewer);
 938                 }
 939
 940                 _system_information_dialog->Show ();
 941         }
 942
 943         void help_about ()
 944         {
 945                 auto d = make_wx<AboutDialog>(this);
 946                 d->ShowModal ();
 947         }
 948
 949         void help_report_a_problem ()
 950         {
 951                 auto d = make_wx<ReportProblemDialog>(this);
 952                 if (d->ShowModal () == wxID_OK) {
 953                         d->report ();
 954                 }
 955         }
 956
 957         void update_checker_state_changed ()
 958         {
 959                 auto uc = UpdateChecker::instance ();
 960
 961                 bool const announce =
 962                         _update_news_requested ||
 963                         (uc->stable() && Config::instance()->check_for_updates()) ||
 964                         (uc->test() && Config::instance()->check_for_updates() && Config::instance()->check_for_test_updates());
 965
 966                 _update_news_requested = false;
 967
 968                 if (!announce) {
 969                         return;
 970                 }
 971
 972                 if (uc->state() == UpdateChecker::State::YES) {
 973                         auto dialog = make_wx<UpdateDialog>(this, uc->stable (), uc->test ());
 974                         dialog->ShowModal ();
 975                 } else if (uc->state() == UpdateChecker::State::FAILED) {
 976                         error_dialog (this, _("The DCP-o-matic download server could not be contacted."));
 977                 } else {
 978                         error_dialog (this, _("There are no new versions of DCP-o-matic available."));
 979                 }
 980
 981                 _update_news_requested = false;
 982         }
 983
 984         void config_changed (Config::Property prop)
 985         {
 986                 /* Instantly save any config changes when using the player GUI */
 987                 try {
 988                         Config::instance()->write_config();
 989                 } catch (FileError& e) {
 990                         if (prop != Config::HISTORY) {
 991                                 error_dialog (
 992                                         this,
 993                                         wxString::Format(
 994                                                 _("Could not write to config file at %s.  Your changes have not been saved."),
 995                                                 std_to_wx(e.file().string())
 996                                                 )
 997                                         );
 998                         }
 999                 } catch (exception& e) {
1000                         error_dialog (
1001                                 this,
1002                                 _("Could not write to config file.  Your changes have not been saved.")
1003                                 );
1004                 }
1005
1006                 update_from_config (prop);
1007         }
1008
1009         void update_from_config (Config::Property prop)
1010         {
1011                 for (int i = 0; i < _history_items; ++i) {
1012                         delete _file_menu->Remove (ID_file_history + i);
1013                 }
1014
1015                 if (_history_separator) {
1016                         _file_menu->Remove (_history_separator);
1017                 }
1018                 delete _history_separator;
1019                 _history_separator = nullptr;
1020
1021                 int pos = _history_position;
1022
1023                 /* Clear out non-existent history items before we re-build the menu */
1024                 Config::instance()->clean_player_history ();
1025                 auto history = Config::instance()->player_history ();
1026
1027                 if (!history.empty ()) {
1028                         _history_separator = _file_menu->InsertSeparator (pos++);
1029                 }
1030
1031                 for (size_t i = 0; i < history.size(); ++i) {
1032                         string s;
1033                         if (i < 9) {
1034                                 s = String::compose ("&%1 %2", i + 1, history[i].string());
1035                         } else {
1036                                 s = history[i].string();
1037                         }
1038                         _file_menu->Insert (pos++, ID_file_history + i, std_to_wx (s));
1039                 }
1040
1041                 _history_items = history.size ();
1042
1043                 if (prop == Config::PLAYER_DEBUG_LOG) {
1044                         auto p = Config::instance()->player_debug_log_file();
1045                         if (p) {
1046                                 dcpomatic_log = make_shared<FileLog>(*p);
1047                         } else {
1048                                 dcpomatic_log = make_shared<NullLog>();
1049                         }
1050                         dcpomatic_log->set_types (LogEntry::TYPE_GENERAL | LogEntry::TYPE_WARNING | LogEntry::TYPE_ERROR | LogEntry::TYPE_DEBUG_VIDEO_VIEW);
1051                 }
1052         }
1053
1054         void set_menu_sensitivity ()
1055         {
1056                 _tools_verify->Enable (static_cast<bool>(_film));
1057                 _file_add_ov->Enable (static_cast<bool>(_film));
1058                 _file_add_kdm->Enable (static_cast<bool>(_film));
1059                 _file_save_frame->Enable (static_cast<bool>(_film));
1060                 _view_cpl->Enable (static_cast<bool>(_film));
1061         }
1062
1063         void start_stop_pressed ()
1064         {
1065                 if (_viewer.playing()) {
1066                         _viewer.stop();
1067                 } else {
1068                         _viewer.start();
1069                 }
1070         }
1071
1072         void go_back_frame ()
1073         {
1074                 _viewer.seek_by(-_viewer.one_video_frame(), true);
1075         }
1076
1077         void go_forward_frame ()
1078         {
1079                 _viewer.seek_by(_viewer.one_video_frame(), true);
1080         }
1081
1082         void go_seconds (int s)
1083         {
1084                 _viewer.seek_by(DCPTime::from_seconds(s), true);
1085         }
1086
1087         void go_to_start ()
1088         {
1089                 _viewer.seek(DCPTime(), true);
1090         }
1091
1092         void go_to_end ()
1093         {
1094                 _viewer.seek(_film->length() - _viewer.one_video_frame(), true);
1095         }
1096
1097         wxFrame* _dual_screen = nullptr;
1098         bool _update_news_requested = false;
1099         PlayerInformation* _info = nullptr;
1100         Config::PlayerMode _mode;
1101         wxPreferencesEditor* _config_dialog = nullptr;
1102         wxPanel* _overall_panel = nullptr;
1103         wxMenu* _file_menu = nullptr;
1104         wxMenuItem* _view_cpl = nullptr;
1105         wxMenu* _cpl_menu = nullptr;
1106         int _history_items = 0;
1107         int _history_position = 0;
1108         wxMenuItem* _history_separator = nullptr;
1109         FilmViewer _viewer;
1110         Controls* _controls;
1111         SystemInformationDialog* _system_information_dialog = nullptr;
1112         std::shared_ptr<Film> _film;
1113         boost::signals2::scoped_connection _config_changed_connection;
1114         boost::signals2::scoped_connection _examine_job_connection;
1115         wxMenuItem* _file_add_ov = nullptr;
1116         wxMenuItem* _file_add_kdm = nullptr;
1117         wxMenuItem* _file_save_frame = nullptr;
1118         wxMenuItem* _tools_verify = nullptr;
1119         wxMenuItem* _view_full_screen = nullptr;
1120         wxMenuItem* _view_dual_screen = nullptr;
1121         wxSizer* _main_sizer = nullptr;
1122         PlayerStressTester _stress;
1123 };
1124
1125 static const wxCmdLineEntryDesc command_line_description[] = {
1126         { wxCMD_LINE_PARAM, 0, 0, "DCP to load or create", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1127         { wxCMD_LINE_OPTION, "c", "config", "Directory containing config.xml", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1128         { wxCMD_LINE_OPTION, "s", "stress", "File containing description of stress test", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1129         { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
1130 };
1131
1132 class PlayServer : public Server
1133 {
1134 public:
1135         explicit PlayServer (DOMFrame* frame)
1136                 : Server (PLAYER_PLAY_PORT)
1137                 , _frame (frame)
1138         {}
1139
1140         void handle (shared_ptr<Socket> socket) override
1141         {
1142                 try {
1143                         uint32_t const length = socket->read_uint32 ();
1144                         if (length > 65536) {
1145                                 return;
1146                         }
1147                         scoped_array<char> buffer (new char[length]);
1148                         socket->read (reinterpret_cast<uint8_t*> (buffer.get()), length);
1149                         string s (buffer.get());
1150                         signal_manager->when_idle (bind (&DOMFrame::load_dcp, _frame, s));
1151                         socket->write (reinterpret_cast<uint8_t const *> ("OK"), 3);
1152                 } catch (...) {
1153
1154                 }
1155         }
1156
1157 private:
1158         DOMFrame* _frame;
1159 };
1160
1161 /** @class App
1162  *  @brief The magic App class for wxWidgets.
1163  */
1164 class App : public wxApp
1165 {
1166 public:
1167         App ()
1168                 : wxApp ()
1169         {
1170 #ifdef DCPOMATIC_LINUX
1171                 XInitThreads ();
1172 #endif
1173         }
1174
1175 private:
1176
1177         bool OnInit () override
1178         {
1179                 wxSplashScreen* splash;
1180                 try {
1181                         wxInitAllImageHandlers ();
1182
1183                         Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
1184                         Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
1185
1186                         splash = maybe_show_splash ();
1187
1188                         SetAppName (_("DCP-o-matic Player"));
1189
1190                         if (!wxApp::OnInit()) {
1191                                 return false;
1192                         }
1193
1194 #ifdef DCPOMATIC_LINUX
1195                         unsetenv ("UBUNTU_MENUPROXY");
1196 #endif
1197
1198 #ifdef DCPOMATIC_OSX
1199                         make_foreground_application ();
1200 #endif
1201
1202                         dcpomatic_setup_path_encoding ();
1203
1204                         /* Enable i18n; this will create a Config object
1205                            to look for a force-configured language.  This Config
1206                            object will be wrong, however, because dcpomatic_setup
1207                            hasn't yet been called and there aren't any filters etc.
1208                            set up yet.
1209                         */
1210                         dcpomatic_setup_i18n ();
1211
1212                         /* Set things up, including filters etc.
1213                            which will now be internationalised correctly.
1214                         */
1215                         dcpomatic_setup ();
1216
1217                         /* Force the configuration to be re-loaded correctly next
1218                            time it is needed.
1219                         */
1220                         Config::drop ();
1221
1222                         signal_manager = new wxSignalManager (this);
1223
1224                         _frame = new DOMFrame ();
1225                         SetTopWindow (_frame);
1226                         _frame->Maximize ();
1227                         if (splash) {
1228                                 splash->Destroy ();
1229                                 splash = nullptr;
1230                         }
1231                         _frame->Show ();
1232
1233                         try {
1234                                 auto server = new PlayServer (_frame);
1235                                 new thread (boost::bind (&PlayServer::run, server));
1236                         } catch (std::exception& e) {
1237                                 /* This is not the end of the world; probably a failure to bind the server socket
1238                                  * because there's already another player running.
1239                                  */
1240                                 LOG_DEBUG_PLAYER ("Failed to start play server (%1)", e.what());
1241                         }
1242
1243                         if (!_dcp_to_load.empty() && dcp::filesystem::is_directory(_dcp_to_load)) {
1244                                 try {
1245                                         _frame->load_dcp (_dcp_to_load);
1246                                 } catch (exception& e) {
1247                                         error_dialog (0, std_to_wx (String::compose (wx_to_std (_("Could not load DCP %1.")), _dcp_to_load)), std_to_wx(e.what()));
1248                                 }
1249                         }
1250
1251                         if (_stress) {
1252                                 try {
1253                                         _frame->load_stress_script (*_stress);
1254                                 } catch (exception& e) {
1255                                         error_dialog (0, wxString::Format("Could not load stress test file %s", std_to_wx(*_stress)));
1256                                 }
1257                         }
1258
1259                         Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
1260
1261                         if (Config::instance()->check_for_updates ()) {
1262                                 UpdateChecker::instance()->run ();
1263                         }
1264                 }
1265                 catch (exception& e)
1266                 {
1267                         if (splash) {
1268                                 splash->Destroy ();
1269                         }
1270                         error_dialog (0, _("DCP-o-matic Player could not start."), std_to_wx(e.what()));
1271                 }
1272
1273                 return true;
1274         }
1275
1276         void OnInitCmdLine (wxCmdLineParser& parser) override
1277         {
1278                 parser.SetDesc (command_line_description);
1279                 parser.SetSwitchChars (wxT ("-"));
1280         }
1281
1282         bool OnCmdLineParsed (wxCmdLineParser& parser) override
1283         {
1284                 if (parser.GetParamCount() > 0) {
1285                         _dcp_to_load = wx_to_std (parser.GetParam (0));
1286                 }
1287
1288                 wxString config;
1289                 if (parser.Found("c", &config)) {
1290                         Config::override_path = wx_to_std (config);
1291                 }
1292                 wxString stress;
1293                 if (parser.Found("s", &stress)) {
1294                         _stress = wx_to_std (stress);
1295                 }
1296
1297                 return true;
1298         }
1299
1300         void report_exception ()
1301         {
1302                 try {
1303                         throw;
1304                 } catch (FileError& e) {
1305                         error_dialog (
1306                                 0,
1307                                 wxString::Format (
1308                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
1309                                         std_to_wx (e.what()),
1310                                         std_to_wx (e.file().string().c_str ())
1311                                         )
1312                                 );
1313                 } catch (exception& e) {
1314                         error_dialog (
1315                                 0,
1316                                 wxString::Format (
1317                                         _("An exception occurred: %s.\n\n") + REPORT_PROBLEM,
1318                                         std_to_wx (e.what ())
1319                                         )
1320                                 );
1321                 } catch (...) {
1322                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
1323                 }
1324         }
1325
1326         /* An unhandled exception has occurred inside the main event loop */
1327         bool OnExceptionInMainLoop () override
1328         {
1329                 report_exception ();
1330                 /* This will terminate the program */
1331                 return false;
1332         }
1333
1334         void OnUnhandledException () override
1335         {
1336                 report_exception ();
1337         }
1338
1339         void idle ()
1340         {
1341                 signal_manager->ui_idle ();
1342         }
1343
1344         void config_failed_to_load ()
1345         {
1346                 message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
1347         }
1348
1349         void config_warning (string m)
1350         {
1351                 message_dialog (_frame, std_to_wx (m));
1352         }
1353
1354         DOMFrame* _frame = nullptr;
1355         string _dcp_to_load;
1356         boost::optional<string> _stress;
1357 };
1358
1359 IMPLEMENT_APP (App)