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/file_dialog.h"
  23 #include "wx/film_viewer.h"
  24 #include "wx/id.h"
  25 #include "wx/nag_dialog.h"
  26 #include "wx/player_config_dialog.h"
  27 #include "wx/player_information.h"
  28 #include "wx/player_stress_tester.h"
  29 #include "wx/playlist_controls.h"
  30 #include "wx/report_problem_dialog.h"
  31 #include "wx/standard_controls.h"
  32 #include "wx/system_information_dialog.h"
  33 #include "wx/timer_display.h"
  34 #include "wx/update_dialog.h"
  35 #include "wx/verify_dcp_dialog.h"
  36 #include "wx/verify_dcp_progress_dialog.h"
  37 #include "wx/wx_ptr.h"
  38 #include "wx/wx_signal_manager.h"
  39 #include "wx/wx_util.h"
  40 #include "lib/compose.hpp"
  41 #include "lib/config.h"
  42 #include "lib/constants.h"
  43 #include "lib/cross.h"
  44 #include "lib/dcp_content.h"
  45 #include "lib/dcp_examiner.h"
  46 #include "lib/dcpomatic_log.h"
  47 #include "lib/dcpomatic_socket.h"
  48 #include "lib/examine_content_job.h"
  49 #include "lib/ffmpeg_content.h"
  50 #include "lib/file_log.h"
  51 #include "lib/film.h"
  52 #include "lib/font_config.h"
  53 #include "lib/image.h"
  54 #include "lib/image_jpeg.h"
  55 #include "lib/image_png.h"
  56 #include "lib/internet.h"
  57 #include "lib/job.h"
  58 #include "lib/job_manager.h"
  59 #include "lib/null_log.h"
  60 #include "lib/player.h"
  61 #include "lib/player_video.h"
  62 #include "lib/ratio.h"
  63 #include "lib/scoped_temporary.h"
  64 #include "lib/server.h"
  65 #include "lib/text_content.h"
  66 #include "lib/update_checker.h"
  67 #include "lib/verify_dcp_job.h"
  68 #include "lib/video_content.h"
  69 #include <dcp/cpl.h>
  70 #include <dcp/dcp.h>
  71 #include <dcp/exceptions.h>
  72 #include <dcp/filesystem.h>
  73 #include <dcp/raw_convert.h>
  74 #include <dcp/scope_guard.h>
  75 #include <dcp/search.h>
  76 #include <dcp/warnings.h>
  77 LIBDCP_DISABLE_WARNINGS
  78 #include <wx/cmdline.h>
  79 #include <wx/display.h>
  80 #include <wx/dnd.h>
  81 #include <wx/preferences.h>
  82 #include <wx/progdlg.h>
  83 #include <wx/splash.h>
  84 #include <wx/stdpaths.h>
  85 #include <wx/wx.h>
  86 LIBDCP_ENABLE_WARNINGS
  87 #ifdef __WXGTK__
  88 #include <X11/Xlib.h>
  89 #endif
  90 #include <boost/algorithm/string.hpp>
  91 #include <boost/bind/bind.hpp>
  92 #include <iostream>
  93
  94 #ifdef check
  95 #undef check
  96 #endif
  97
  98
  99 #define MAX_CPLS 32
 100
 101
 102 using std::cout;
 103 using std::dynamic_pointer_cast;
 104 using std::exception;
 105 using std::list;
 106 using std::make_shared;
 107 using std::shared_ptr;
 108 using std::string;
 109 using std::vector;
 110 using std::weak_ptr;
 111 using boost::bind;
 112 using boost::optional;
 113 using boost::scoped_array;
 114 using boost::thread;
 115 #if BOOST_VERSION >= 106100
 116 using namespace boost::placeholders;
 117 #endif
 118 using dcp::raw_convert;
 119 using namespace dcpomatic;
 120
 121
 122 enum {
 123         ID_file_open = DCPOMATIC_MAIN_MENU,
 124         ID_file_add_ov,
 125         ID_file_add_kdm,
 126         ID_file_save_frame,
 127         ID_file_history,
 128         /* Allow spare IDs after _history for the recent files list */
 129         ID_file_close = DCPOMATIC_MAIN_MENU + 100,
 130         ID_view_cpl,
 131         /* Allow spare IDs for CPLs */
 132         ID_view_full_screen = DCPOMATIC_MAIN_MENU + 200,
 133         ID_view_dual_screen,
 134         ID_view_closed_captions,
 135         ID_view_scale_appropriate,
 136         ID_view_scale_full,
 137         ID_view_scale_half,
 138         ID_view_scale_quarter,
 139         ID_help_report_a_problem,
 140         ID_tools_verify,
 141         ID_tools_check_for_updates,
 142         ID_tools_timing,
 143         ID_tools_system_information,
 144         /* IDs for shortcuts (with no associated menu item) */
 145         ID_start_stop,
 146         ID_go_back_frame,
 147         ID_go_forward_frame,
 148         ID_go_back_small_amount,
 149         ID_go_forward_small_amount,
 150         ID_go_back_medium_amount,
 151         ID_go_forward_medium_amount,
 152         ID_go_back_large_amount,
 153         ID_go_forward_large_amount,
 154         ID_go_to_start,
 155         ID_go_to_end
 156 };
 157
 158
 159 class DOMFrame : public wxFrame
 160 {
 161 public:
 162
 163         class DCPDropTarget : public wxFileDropTarget
 164         {
 165         public:
 166                 DCPDropTarget(DOMFrame* owner)
 167                         : _frame(owner)
 168                 {}
 169
 170                 bool OnDropFiles(wxCoord, wxCoord, wxArrayString const& filenames) override
 171                 {
 172                         if (filenames.GetCount() == 1) {
 173                                 /* Try to load a directory */
 174                                 auto path = boost::filesystem::path(wx_to_std(filenames[0]));
 175                                 if (dcp::filesystem::is_directory(path)) {
 176                                         _frame->load_dcp(wx_to_std(filenames[0]));
 177                                         return true;
 178                                 }
 179                         }
 180
 181                         if (filenames.GetCount() >= 1) {
 182                                 /* Try to load the parent if we drop some files, one if which is an asset map */
 183                                 for (size_t i = 0; i < filenames.GetCount(); ++i) {
 184                                         auto path = boost::filesystem::path(wx_to_std(filenames[i]));
 185                                         if (path.filename() == "ASSETMAP" || path.filename() == "ASSETMAP.xml") {
 186                                                 _frame->load_dcp(path.parent_path());
 187                                                 return true;
 188                                         }
 189                                 }
 190                         }
 191
 192                         return false;
 193                 }
 194
 195         private:
 196                 DOMFrame* _frame;
 197         };
 198
 199
 200         DOMFrame ()
 201                 : wxFrame (nullptr, -1, _("DCP-o-matic Player"))
 202                 , _mode (Config::instance()->player_mode())
 203                 /* Use a panel as the only child of the Frame so that we avoid
 204                    the dark-grey background on Windows.
 205                 */
 206                 , _overall_panel(new wxPanel(this, wxID_ANY))
 207                 , _viewer(_overall_panel)
 208                 , _main_sizer (new wxBoxSizer(wxVERTICAL))
 209         {
 210                 dcpomatic_log = make_shared<NullLog>();
 211
 212 #if defined(DCPOMATIC_WINDOWS)
 213                 maybe_open_console ();
 214                 cout << "DCP-o-matic Player is starting." << "\n";
 215 #endif
 216
 217                 auto bar = new wxMenuBar;
 218                 setup_menu (bar);
 219                 set_menu_sensitivity ();
 220                 SetMenuBar (bar);
 221
 222 #ifdef DCPOMATIC_WINDOWS
 223                 SetIcon (wxIcon (std_to_wx ("id")));
 224 #endif
 225
 226                 _config_changed_connection = Config::instance()->Changed.connect (boost::bind (&DOMFrame::config_changed, this, _1));
 227                 update_from_config (Config::PLAYER_DEBUG_LOG);
 228
 229                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_open, this), ID_file_open);
 230                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_ov, this), ID_file_add_ov);
 231                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_kdm, this), ID_file_add_kdm);
 232                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_save_frame, this), ID_file_save_frame);
 233                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_history, this, _1), ID_file_history, ID_file_history + HISTORY_SIZE);
 234                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_close, this), ID_file_close);
 235                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this), wxID_EXIT);
 236                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this), wxID_PREFERENCES);
 237                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_full_screen, this), ID_view_full_screen);
 238                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_dual_screen, this), ID_view_dual_screen);
 239                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_closed_captions, this), ID_view_closed_captions);
 240                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_cpl, this, _1), ID_view_cpl, ID_view_cpl + MAX_CPLS);
 241                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(0)), ID_view_scale_full);
 242                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(1)), ID_view_scale_half);
 243                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(2)), ID_view_scale_quarter);
 244                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this), wxID_ABOUT);
 245                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this), ID_help_report_a_problem);
 246                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_verify, this), ID_tools_verify);
 247                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_check_for_updates, this), ID_tools_check_for_updates);
 248                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_timing, this), ID_tools_timing);
 249                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_system_information, this), ID_tools_system_information);
 250
 251                 Bind(wxEVT_CLOSE_WINDOW, boost::bind(&DOMFrame::close, this, _1));
 252
 253                 if (Config::instance()->player_mode() == Config::PLAYER_MODE_DUAL) {
 254                         auto pc = new PlaylistControls (_overall_panel, _viewer);
 255                         _controls = pc;
 256                         pc->ResetFilm.connect (bind(&DOMFrame::reset_film_weak, this, _1));
 257                 } else {
 258                         _controls = new StandardControls (_overall_panel, _viewer, false);
 259                 }
 260                 _controls->set_film(_viewer.film());
 261                 _viewer.set_dcp_decode_reduction(Config::instance()->decode_reduction());
 262                 _viewer.set_optimise_for_j2k(true);
 263                 _viewer.PlaybackPermitted.connect(bind(&DOMFrame::playback_permitted, this));
 264                 _viewer.TooManyDropped.connect(bind(&DOMFrame::too_many_frames_dropped, this));
 265                 _info = new PlayerInformation (_overall_panel, _viewer);
 266                 setup_main_sizer (Config::instance()->player_mode());
 267 #ifdef __WXOSX__
 268                 int accelerators = 12;
 269 #else
 270                 int accelerators = 11;
 271 #endif
 272
 273                 _stress.setup (this, _controls);
 274
 275                 std::vector<wxAcceleratorEntry> accel(accelerators);
 276                 accel[0].Set(wxACCEL_NORMAL,                WXK_SPACE, ID_start_stop);
 277                 accel[1].Set(wxACCEL_NORMAL,                WXK_LEFT,  ID_go_back_frame);
 278                 accel[2].Set(wxACCEL_NORMAL,                WXK_RIGHT, ID_go_forward_frame);
 279                 accel[3].Set(wxACCEL_SHIFT,                 WXK_LEFT,  ID_go_back_small_amount);
 280                 accel[4].Set(wxACCEL_SHIFT,                 WXK_RIGHT, ID_go_forward_small_amount);
 281                 accel[5].Set(wxACCEL_CTRL,                  WXK_LEFT,  ID_go_back_medium_amount);
 282                 accel[6].Set(wxACCEL_CTRL,                  WXK_RIGHT, ID_go_forward_medium_amount);
 283                 accel[7].Set(wxACCEL_SHIFT | wxACCEL_CTRL,  WXK_LEFT,  ID_go_back_large_amount);
 284                 accel[8].Set(wxACCEL_SHIFT | wxACCEL_CTRL,  WXK_RIGHT, ID_go_forward_large_amount);
 285                 accel[9].Set(wxACCEL_NORMAL,                WXK_HOME,  ID_go_to_start);
 286                 accel[10].Set(wxACCEL_NORMAL,               WXK_END,   ID_go_to_end);
 287 #ifdef __WXOSX__
 288                 accel[11].Set(wxACCEL_CTRL, static_cast<int>('W'), ID_file_close);
 289 #endif
 290                 wxAcceleratorTable accel_table (accelerators, accel.data());
 291                 SetAcceleratorTable (accel_table);
 292
 293                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::start_stop_pressed, this), ID_start_stop);
 294                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_back_frame, this),      ID_go_back_frame);
 295                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_forward_frame, this),   ID_go_forward_frame);
 296                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   -60), ID_go_back_small_amount);
 297                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,    60), ID_go_forward_small_amount);
 298                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  -600), ID_go_back_medium_amount);
 299                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   600), ID_go_forward_medium_amount);
 300                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this, -3600), ID_go_back_large_amount);
 301                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  3600), ID_go_forward_large_amount);
 302                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_start, this), ID_go_to_start);
 303                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_end,   this), ID_go_to_end);
 304
 305                 reset_film ();
 306
 307                 UpdateChecker::instance()->StateChanged.connect (boost::bind(&DOMFrame::update_checker_state_changed, this));
 308                 setup_screen ();
 309
 310                 _stress.LoadDCP.connect (boost::bind(&DOMFrame::load_dcp, this, _1));
 311
 312                 SetDropTarget(new DCPDropTarget(this));
 313         }
 314
 315         ~DOMFrame ()
 316         {
 317                 /* It's important that this is stopped before our frame starts destroying its children,
 318                  * otherwise UI elements that it depends on will disappear from under it.
 319                  */
 320                 _viewer.stop();
 321         }
 322
 323         void close(wxCloseEvent& ev)
 324         {
 325                 FontConfig::drop();
 326                 ev.Skip();
 327         }
 328
 329         void setup_main_sizer (Config::PlayerMode mode)
 330         {
 331                 _main_sizer->Detach(_viewer.panel());
 332                 _main_sizer->Detach (_controls);
 333                 _main_sizer->Detach (_info);
 334                 if (mode != Config::PLAYER_MODE_DUAL) {
 335                         _main_sizer->Add(_viewer.panel(), 1, wxEXPAND);
 336                 }
 337                 _main_sizer->Add (_controls, mode == Config::PLAYER_MODE_DUAL ? 1 : 0, wxEXPAND | wxALL, 6);
 338                 _main_sizer->Add (_info, 0, wxEXPAND | wxALL, 6);
 339                 _overall_panel->SetSizer (_main_sizer);
 340                 _overall_panel->Layout ();
 341         }
 342
 343         bool playback_permitted ()
 344         {
 345                 if (!_film || !Config::instance()->respect_kdm_validity_periods()) {
 346                         return true;
 347                 }
 348
 349                 bool ok = true;
 350                 for (auto i: _film->content()) {
 351                         auto d = dynamic_pointer_cast<DCPContent>(i);
 352                         if (d && !d->kdm_timing_window_valid()) {
 353                                 ok = false;
 354                         }
 355                 }
 356
 357                 if (!ok) {
 358                         error_dialog (this, _("The KDM does not allow playback of this content at this time."));
 359                 }
 360
 361                 return ok;
 362         }
 363
 364
 365         void too_many_frames_dropped ()
 366         {
 367                 if (!Config::instance()->nagged(Config::NAG_TOO_MANY_DROPPED_FRAMES)) {
 368                         _viewer.stop();
 369                 }
 370
 371                 NagDialog::maybe_nag (
 372                         this,
 373                         Config::NAG_TOO_MANY_DROPPED_FRAMES,
 374                         _(wxS("The player is dropping a lot of frames, so playback may not be accurate.\n\n"
 375                           "<b>This does not necessarily mean that the DCP you are playing is defective!</b>\n\n"
 376                           "You may be able to improve player performance by:\n"
 377                           "• choosing 'decode at half resolution' or 'decode at quarter resolution' from the View menu\n"
 378                           "• using a more powerful computer.\n"
 379                          ))
 380                         );
 381         }
 382
 383         void set_decode_reduction (optional<int> reduction)
 384         {
 385                 _viewer.set_dcp_decode_reduction(reduction);
 386                 _info->triggered_update ();
 387                 Config::instance()->set_decode_reduction (reduction);
 388         }
 389
 390         void load_dcp (boost::filesystem::path dir)
 391         {
 392                 DCPOMATIC_ASSERT (_film);
 393
 394                 reset_film ();
 395                 try {
 396                         _stress.set_suspended (true);
 397                         auto dcp = make_shared<DCPContent>(dir);
 398                         auto job = make_shared<ExamineContentJob>(_film, dcp);
 399                         _examine_job_connection = job->Finished.connect(bind(&DOMFrame::add_dcp_to_film, this, weak_ptr<Job>(job), weak_ptr<Content>(dcp)));
 400                         JobManager::instance()->add (job);
 401                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 402                         if (!ok || !report_errors_from_last_job(this)) {
 403                                 return;
 404                         }
 405                         Config::instance()->add_to_player_history (dir);
 406                         if (dcp->video_frame_rate()) {
 407                                 _film->set_video_frame_rate(dcp->video_frame_rate().get(), true);
 408                         }
 409                 } catch (ProjectFolderError &) {
 410                         error_dialog (
 411                                 this,
 412                                 wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())),
 413                                 _(
 414                                         "This looks like a DCP-o-matic project folder, which cannot be loaded into the player.  "
 415                                         "Choose the DCP folder inside the DCP-o-matic project folder if that's what you want to play."
 416                                  )
 417                                 );
 418                 } catch (dcp::ReadError& 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                 } catch (DCPError& e) {
 421                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 422                 }
 423         }
 424
 425         void add_dcp_to_film (weak_ptr<Job> weak_job, weak_ptr<Content> weak_content)
 426         {
 427                 auto job = weak_job.lock ();
 428                 if (!job || !job->finished_ok()) {
 429                         return;
 430                 }
 431
 432                 auto content = weak_content.lock ();
 433                 if (!content) {
 434                         return;
 435                 }
 436
 437                 _film->add_content (content);
 438                 _stress.set_suspended (false);
 439         }
 440
 441         void reset_film_weak (weak_ptr<Film> weak_film)
 442         {
 443                 auto film = weak_film.lock ();
 444                 if (film) {
 445                         reset_film (film);
 446                 }
 447         }
 448
 449         void reset_film (shared_ptr<Film> film = shared_ptr<Film>(new Film(optional<boost::filesystem::path>())))
 450         {
 451                 _film = film;
 452                 _film->set_tolerant (true);
 453                 _film->set_audio_channels (MAX_DCP_AUDIO_CHANNELS);
 454                 _viewer.set_film(_film);
 455                 _controls->set_film (_film);
 456                 _film->Change.connect (bind(&DOMFrame::film_changed, this, _1, _2));
 457                 _info->triggered_update ();
 458         }
 459
 460         void film_changed (ChangeType type, FilmProperty property)
 461         {
 462                 if (type != ChangeType::DONE || property != FilmProperty::CONTENT) {
 463                         return;
 464                 }
 465
 466                 if (_viewer.playing()) {
 467                         _viewer.stop();
 468                 }
 469
 470                 /* Start off as Flat */
 471                 _film->set_container (Ratio::from_id("185"));
 472
 473                 for (auto i: _film->content()) {
 474                         auto dcp = dynamic_pointer_cast<DCPContent>(i);
 475
 476                         for (auto j: i->text) {
 477                                 j->set_use (true);
 478                         }
 479
 480                         if (i->video && i->video->size()) {
 481                                 auto const r = Ratio::nearest_from_ratio(i->video->size()->ratio());
 482                                 if (r->id() == "239") {
 483                                         /* Any scope content means we use scope */
 484                                         _film->set_container(r);
 485                                 }
 486                         }
 487
 488                         /* Any 3D content means we use 3D mode */
 489                         if (i->video && i->video->frame_type() != VideoFrameType::TWO_D) {
 490                                 _film->set_three_d (true);
 491                         }
 492                 }
 493
 494                 _viewer.seek(DCPTime(), true);
 495                 _info->triggered_update ();
 496
 497                 set_menu_sensitivity ();
 498
 499                 auto old = _cpl_menu->GetMenuItems();
 500                 for (auto const& i: old) {
 501                         _cpl_menu->Remove (i);
 502                 }
 503
 504                 if (_film->content().size() == 1) {
 505                         /* Offer a CPL menu */
 506                         auto first = dynamic_pointer_cast<DCPContent>(_film->content().front());
 507                         if (first) {
 508                                 int id = ID_view_cpl;
 509                                 for (auto i: dcp::find_and_resolve_cpls(first->directories(), true)) {
 510                                         auto j = _cpl_menu->AppendRadioItem(
 511                                                 id,
 512                                                 wxString::Format("%s (%s)", std_to_wx(i->annotation_text().get_value_or("")).data(), std_to_wx(i->id()).data())
 513                                                 );
 514                                         j->Check(!first->cpl() || i->id() == *first->cpl());
 515                                         ++id;
 516                                 }
 517                         }
 518                 }
 519         }
 520
 521         void load_stress_script (boost::filesystem::path path)
 522         {
 523                 _stress.load_script (path);
 524         }
 525
 526 private:
 527
 528         void examine_content ()
 529         {
 530                 DCPOMATIC_ASSERT (_film);
 531                 auto dcp = dynamic_pointer_cast<DCPContent>(_film->content().front());
 532                 DCPOMATIC_ASSERT (dcp);
 533                 dcp->examine (_film, shared_ptr<Job>());
 534
 535                 /* Examining content re-creates the TextContent objects, so we must re-enable them */
 536                 for (auto i: dcp->text) {
 537                         i->set_use (true);
 538                 }
 539         }
 540
 541         bool report_errors_from_last_job (wxWindow* parent) const
 542         {
 543                 auto jm = JobManager::instance ();
 544
 545                 DCPOMATIC_ASSERT (!jm->get().empty());
 546
 547                 auto last = jm->get().back();
 548                 if (last->finished_in_error()) {
 549                         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()));
 550                         return false;
 551                 }
 552
 553                 return true;
 554         }
 555
 556         void setup_menu (wxMenuBar* m)
 557         {
 558                 _file_menu = new wxMenu;
 559                 _file_menu->Append (ID_file_open, _("&Open...\tCtrl-O"));
 560                 _file_add_ov = _file_menu->Append (ID_file_add_ov, _("&Add OV..."));
 561                 _file_add_kdm = _file_menu->Append (ID_file_add_kdm, _("Add &KDM..."));
 562                 _file_menu->AppendSeparator ();
 563                 _file_save_frame = _file_menu->Append (ID_file_save_frame, _("&Save frame to file...\tCtrl-S"));
 564
 565                 _history_position = _file_menu->GetMenuItems().GetCount();
 566
 567                 _file_menu->AppendSeparator ();
 568                 _file_menu->Append (ID_file_close, _("&Close"));
 569                 _file_menu->AppendSeparator ();
 570
 571 #ifdef __WXOSX__
 572                 _file_menu->Append (wxID_EXIT, _("&Exit"));
 573 #else
 574                 _file_menu->Append (wxID_EXIT, _("&Quit"));
 575 #endif
 576
 577 #ifdef __WXOSX__
 578                 auto prefs = _file_menu->Append(wxID_PREFERENCES, _("&Preferences...\tCtrl-,"));
 579 #else
 580                 auto edit = new wxMenu;
 581                 auto prefs = edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 582 #endif
 583
 584                 prefs->Enable (Config::instance()->have_write_permission());
 585
 586                 _cpl_menu = new wxMenu;
 587
 588                 auto view = new wxMenu;
 589                 auto c = Config::instance()->decode_reduction();
 590                 _view_cpl = view->Append(ID_view_cpl, _("CPL"), _cpl_menu);
 591                 view->AppendSeparator();
 592                 _view_full_screen = view->AppendCheckItem(ID_view_full_screen, _("Full screen\tF11"));
 593                 _view_dual_screen = view->AppendCheckItem(ID_view_dual_screen, _("Dual screen\tShift+F11"));
 594                 setup_menu ();
 595                 view->AppendSeparator();
 596                 view->Append(ID_view_closed_captions, _("Closed captions..."));
 597                 view->AppendSeparator();
 598                 view->AppendRadioItem(ID_view_scale_appropriate, _("Set decode resolution to match display"))->Check(!static_cast<bool>(c));
 599                 view->AppendRadioItem(ID_view_scale_full, _("Decode at full resolution"))->Check(c && c.get() == 0);
 600                 view->AppendRadioItem(ID_view_scale_half, _("Decode at half resolution"))->Check(c && c.get() == 1);
 601                 view->AppendRadioItem(ID_view_scale_quarter, _("Decode at quarter resolution"))->Check(c && c.get() == 2);
 602
 603                 auto tools = new wxMenu;
 604                 _tools_verify = tools->Append (ID_tools_verify, _("Verify DCP..."));
 605                 tools->AppendSeparator ();
 606                 tools->Append (ID_tools_check_for_updates, _("Check for updates"));
 607                 tools->Append (ID_tools_timing, _("Timing..."));
 608                 tools->Append (ID_tools_system_information, _("System information..."));
 609
 610                 auto help = new wxMenu;
 611 #ifdef __WXOSX__
 612                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 613 #else
 614                 help->Append (wxID_ABOUT, _("About"));
 615 #endif
 616                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 617
 618                 m->Append (_file_menu, _("&File"));
 619                 if (!Config::instance()->player_restricted_menus()) {
 620 #ifndef __WXOSX__
 621                         m->Append (edit, _("&Edit"));
 622 #endif
 623                         m->Append (view, _("&View"));
 624                         m->Append (tools, _("&Tools"));
 625                         m->Append (help, _("&Help"));
 626                 }
 627         }
 628
 629         void file_open ()
 630         {
 631                 auto d = wxStandardPaths::Get().GetDocumentsDir();
 632                 if (Config::instance()->last_player_load_directory()) {
 633                         d = std_to_wx (Config::instance()->last_player_load_directory()->string());
 634                 }
 635
 636                 auto c = make_wx<wxDirDialog>(this, _("Select DCP to open"), d, wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST);
 637
 638                 int r;
 639                 while (true) {
 640                         r = c->ShowModal ();
 641                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 642                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 643                         } else {
 644                                 break;
 645                         }
 646                 }
 647
 648                 if (r == wxID_OK) {
 649                         boost::filesystem::path const dcp (wx_to_std (c->GetPath ()));
 650                         load_dcp (dcp);
 651                         Config::instance()->set_last_player_load_directory (dcp.parent_path());
 652                 }
 653         }
 654
 655         void file_add_ov ()
 656         {
 657                 auto initial_dir = wxStandardPaths::Get().GetDocumentsDir();
 658                 if (Config::instance()->last_player_load_directory()) {
 659                         initial_dir = std_to_wx(Config::instance()->last_player_load_directory()->string());
 660                 }
 661
 662                 auto c = make_wx<wxDirDialog>(
 663                         this,
 664                         _("Select DCP to open as OV"),
 665                         initial_dir,
 666                         wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST
 667                         );
 668
 669                 int r;
 670                 while (true) {
 671                         r = c->ShowModal ();
 672                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 673                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 674                         } else {
 675                                 break;
 676                         }
 677                 }
 678
 679                 if (r == wxID_OK) {
 680                         DCPOMATIC_ASSERT (_film);
 681                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 682                         DCPOMATIC_ASSERT (dcp);
 683                         dcp->add_ov (wx_to_std(c->GetPath()));
 684                         JobManager::instance()->add(make_shared<ExamineContentJob>(_film, dcp));
 685                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 686                         if (!ok || !report_errors_from_last_job(this)) {
 687                                 return;
 688                         }
 689                         for (auto i: dcp->text) {
 690                                 i->set_use (true);
 691                         }
 692                         if (dcp->video && dcp->video->size()) {
 693                                 auto const r = Ratio::nearest_from_ratio(dcp->video->size()->ratio());
 694                                 if (r) {
 695                                         _film->set_container(r);
 696                                 }
 697                         }
 698                 }
 699
 700                 _info->triggered_update ();
 701         }
 702
 703         void file_add_kdm ()
 704         {
 705                 FileDialog dialog(this, _("Select KDM"), wxT("XML files|*.xml|All files|*.*"), wxFD_MULTIPLE, "AddKDMPath");
 706
 707                 if (dialog.show()) {
 708                         DCPOMATIC_ASSERT (_film);
 709                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 710                         DCPOMATIC_ASSERT (dcp);
 711                         try {
 712                                 if (dcp) {
 713                                         dcp::ScopeGuard sg([this]() {
 714                                                 _viewer.set_coalesce_player_changes(false);
 715                                         });
 716                                         _viewer.set_coalesce_player_changes(true);
 717                                         for (auto path: dialog.paths()) {
 718                                                 dcp->add_kdm(dcp::EncryptedKDM(dcp::file_to_string(path)));
 719                                                 _kdms.push_back(path);
 720                                         }
 721                                         examine_content();
 722                                 }
 723                         } catch (exception& e) {
 724                                 error_dialog (this, wxString::Format (_("Could not load KDM.")), std_to_wx(e.what()));
 725                                 return;
 726                         }
 727                 }
 728
 729                 _info->triggered_update ();
 730         }
 731
 732         void file_save_frame ()
 733         {
 734                 wxFileDialog dialog (this, _("Save frame to file"), "", "", "PNG files (*.png)|*.png|JPEG files (*.jpg;*.jpeg)|*.jpg;*.jpeg", wxFD_SAVE | wxFD_OVERWRITE_PROMPT);
 735                 if (dialog.ShowModal() == wxID_CANCEL) {
 736                         return;
 737                 }
 738
 739                 auto path = boost::filesystem::path (wx_to_std(dialog.GetPath()));
 740
 741                 auto player = make_shared<Player>(_film, Image::Alignment::PADDED);
 742                 player->seek(_viewer.position(), true);
 743
 744                 bool done = false;
 745                 player->Video.connect ([path, &done, this](shared_ptr<PlayerVideo> video, DCPTime) {
 746                         auto ext = boost::algorithm::to_lower_copy(path.extension().string());
 747                         if (ext == ".png") {
 748                                 auto image = video->image(boost::bind(PlayerVideo::force, AV_PIX_FMT_RGBA), VideoRange::FULL, false);
 749                                 image_as_png(image).write(path);
 750                         } else if (ext == ".jpg" || ext == ".jpeg") {
 751                                 auto image = video->image(boost::bind(PlayerVideo::force, AV_PIX_FMT_RGB24), VideoRange::FULL, false);
 752                                 image_as_jpeg(image, 80).write(path);
 753                         } else {
 754                                 error_dialog (this, _(wxString::Format("Unrecognised file extension %s (use .jpg, .jpeg or .png)", std_to_wx(ext))));
 755                         }
 756                         done = true;
 757                 });
 758
 759                 int tries_left = 50;
 760                 while (!done && tries_left >= 0) {
 761                         player->pass();
 762                         --tries_left;
 763                 }
 764
 765                 DCPOMATIC_ASSERT (tries_left >= 0);
 766         }
 767
 768         void file_history (wxCommandEvent& event)
 769         {
 770                 auto history = Config::instance()->player_history ();
 771                 int n = event.GetId() - ID_file_history;
 772                 if (n >= 0 && n < static_cast<int> (history.size ())) {
 773                         try {
 774                                 load_dcp (history[n]);
 775                         } catch (exception& e) {
 776                                 error_dialog (0, std_to_wx(String::compose(wx_to_std(_("Could not load DCP %1.")), history[n])), std_to_wx(e.what()));
 777                         }
 778                 }
 779         }
 780
 781         void file_close ()
 782         {
 783                 reset_film ();
 784                 _info->triggered_update ();
 785                 set_menu_sensitivity ();
 786         }
 787
 788         void file_exit ()
 789         {
 790                 Close ();
 791         }
 792
 793         void edit_preferences ()
 794         {
 795                 if (!Config::instance()->have_write_permission()) {
 796                         return;
 797                 }
 798
 799                 if (!_config_dialog) {
 800                         _config_dialog = create_player_config_dialog ();
 801                 }
 802                 _config_dialog->Show (this);
 803         }
 804
 805         void view_cpl (wxCommandEvent& ev)
 806         {
 807                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 808                 DCPOMATIC_ASSERT (dcp);
 809                 auto cpls = dcp::find_and_resolve_cpls (dcp->directories(), true);
 810                 int id = ev.GetId() - ID_view_cpl;
 811                 DCPOMATIC_ASSERT (id >= 0);
 812                 DCPOMATIC_ASSERT (id < int(cpls.size()));
 813                 auto i = cpls.begin();
 814                 while (id > 0) {
 815                         ++i;
 816                         --id;
 817                 }
 818
 819                 _viewer.set_coalesce_player_changes(true);
 820                 dcp->set_cpl ((*i)->id());
 821                 examine_content ();
 822                 _viewer.set_coalesce_player_changes(false);
 823
 824                 _info->triggered_update ();
 825         }
 826
 827         void view_full_screen ()
 828         {
 829                 if (_mode == Config::PLAYER_MODE_FULL) {
 830                         _mode = Config::PLAYER_MODE_WINDOW;
 831                 } else {
 832                         _mode = Config::PLAYER_MODE_FULL;
 833                 }
 834                 setup_screen ();
 835                 setup_menu ();
 836         }
 837
 838         void view_dual_screen ()
 839         {
 840                 if (_mode == Config::PLAYER_MODE_DUAL) {
 841                         _mode = Config::PLAYER_MODE_WINDOW;
 842                 } else {
 843                         _mode = Config::PLAYER_MODE_DUAL;
 844                 }
 845                 setup_screen ();
 846                 setup_menu ();
 847         }
 848
 849         void setup_menu ()
 850         {
 851                 if (_view_full_screen) {
 852                         _view_full_screen->Check (_mode == Config::PLAYER_MODE_FULL);
 853                 }
 854                 if (_view_dual_screen) {
 855                         _view_dual_screen->Check (_mode == Config::PLAYER_MODE_DUAL);
 856                 }
 857         }
 858
 859         void setup_screen ()
 860         {
 861                 _controls->Show (_mode != Config::PLAYER_MODE_FULL);
 862                 _info->Show (_mode != Config::PLAYER_MODE_FULL);
 863                 _overall_panel->SetBackgroundColour (_mode == Config::PLAYER_MODE_FULL ? wxColour(0, 0, 0) : wxNullColour);
 864                 ShowFullScreen (_mode == Config::PLAYER_MODE_FULL);
 865                 _viewer.set_pad_black(_mode != Config::PLAYER_MODE_WINDOW);
 866
 867                 if (_mode == Config::PLAYER_MODE_DUAL) {
 868                         _dual_screen = new wxFrame (this, wxID_ANY, wxT(""));
 869                         _dual_screen->SetBackgroundColour (wxColour(0, 0, 0));
 870                         _dual_screen->ShowFullScreen (true);
 871                         _viewer.panel()->Reparent(_dual_screen);
 872                         _viewer.panel()->SetFocus();
 873                         _dual_screen->Show ();
 874                         LOG_DEBUG_PLAYER("Setting up dual screen mode with %1 displays", wxDisplay::GetCount());
 875                         for (auto index = 0U; index < wxDisplay::GetCount(); ++index) {
 876                                 wxDisplay display(index);
 877                                 auto client = display.GetClientArea();
 878                                 auto mode = display.GetCurrentMode();
 879                                 auto geometry = display.GetGeometry();
 880                                 LOG_DEBUG_PLAYER("Display %1", index);
 881                                 LOG_DEBUG_PLAYER("  ClientArea position=(%1, %2) size=(%3, %4)", client.GetX(), client.GetY(), client.GetWidth(), client.GetHeight());
 882                                 LOG_DEBUG_PLAYER("  Geometry   position=(%1, %2) size=(%3, %4)", geometry.GetX(), geometry.GetY(), geometry.GetWidth(), geometry.GetHeight());
 883                                 LOG_DEBUG_PLAYER("  Mode       size=(%1, %2)", mode.GetWidth(), mode.GetHeight());
 884                                 LOG_DEBUG_PLAYER("  Primary?   %1", static_cast<int>(display.IsPrimary()));
 885                         }
 886                         if (wxDisplay::GetCount() > 1) {
 887                                 wxRect geometry[2] = {
 888                                         wxDisplay(0U).GetGeometry(),
 889                                         wxDisplay(1U).GetGeometry()
 890                                 };
 891                                 auto const image_display = Config::instance()->image_display();
 892                                 _dual_screen->Move(geometry[image_display].GetX(), geometry[image_display].GetY());
 893                                 _viewer.panel()->SetSize(geometry[image_display].GetWidth(), geometry[image_display].GetHeight());
 894                                 Move(geometry[1 - image_display].GetX(), geometry[1 - image_display].GetY());
 895                         }
 896                         _dual_screen->Bind(wxEVT_CHAR_HOOK, boost::bind(&DOMFrame::dual_screen_key_press, this, _1));
 897                 } else {
 898                         if (_dual_screen) {
 899                                 _viewer.panel()->Reparent(_overall_panel);
 900                                 _dual_screen->Destroy ();
 901                                 _dual_screen = 0;
 902                         }
 903                 }
 904
 905                 setup_main_sizer (_mode);
 906         }
 907
 908         void dual_screen_key_press(wxKeyEvent& ev)
 909         {
 910                 if (ev.GetKeyCode() == WXK_F11) {
 911                         if (ev.ShiftDown()) {
 912                                 view_dual_screen();
 913                         } else if (!ev.HasAnyModifiers()) {
 914                                 view_full_screen();
 915                         }
 916                 }
 917         }
 918
 919         void view_closed_captions ()
 920         {
 921                 _viewer.show_closed_captions();
 922         }
 923
 924         void tools_verify ()
 925         {
 926                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
 927                 DCPOMATIC_ASSERT (dcp);
 928
 929                 auto job = make_shared<VerifyDCPJob>(dcp->directories(), _kdms);
 930                 VerifyDCPProgressDialog progress(this, _("DCP-o-matic Player"));
 931                 bool const completed = progress.run(job);
 932                 progress.Close();
 933
 934                 if (completed) {
 935                         VerifyDCPDialog dialog(this, job);
 936                         dialog.ShowModal();
 937                 }
 938         }
 939
 940         void tools_check_for_updates ()
 941         {
 942                 UpdateChecker::instance()->run ();
 943                 _update_news_requested = true;
 944         }
 945
 946         void tools_timing ()
 947         {
 948                 auto d = make_wx<TimerDisplay>(this, _viewer.state_timer(), _viewer.gets());
 949                 d->ShowModal ();
 950         }
 951
 952         void tools_system_information ()
 953         {
 954                 if (!_system_information_dialog) {
 955                         _system_information_dialog = new SystemInformationDialog (this, _viewer);
 956                 }
 957
 958                 _system_information_dialog->Show ();
 959         }
 960
 961         void help_about ()
 962         {
 963                 auto d = make_wx<AboutDialog>(this);
 964                 d->ShowModal ();
 965         }
 966
 967         void help_report_a_problem ()
 968         {
 969                 auto d = make_wx<ReportProblemDialog>(this);
 970                 if (d->ShowModal () == wxID_OK) {
 971                         d->report ();
 972                 }
 973         }
 974
 975         void update_checker_state_changed ()
 976         {
 977                 auto uc = UpdateChecker::instance ();
 978
 979                 bool const announce =
 980                         _update_news_requested ||
 981                         (uc->stable() && Config::instance()->check_for_updates()) ||
 982                         (uc->test() && Config::instance()->check_for_updates() && Config::instance()->check_for_test_updates());
 983
 984                 _update_news_requested = false;
 985
 986                 if (!announce) {
 987                         return;
 988                 }
 989
 990                 if (uc->state() == UpdateChecker::State::YES) {
 991                         auto dialog = make_wx<UpdateDialog>(this, uc->stable (), uc->test ());
 992                         dialog->ShowModal ();
 993                 } else if (uc->state() == UpdateChecker::State::FAILED) {
 994                         error_dialog (this, _("The DCP-o-matic download server could not be contacted."));
 995                 } else {
 996                         error_dialog (this, _("There are no new versions of DCP-o-matic available."));
 997                 }
 998
 999                 _update_news_requested = false;
1000         }
1001
1002         void config_changed (Config::Property prop)
1003         {
1004                 /* Instantly save any config changes when using the player GUI */
1005                 try {
1006                         Config::instance()->write_config();
1007                 } catch (FileError& e) {
1008                         if (prop != Config::HISTORY) {
1009                                 error_dialog (
1010                                         this,
1011                                         wxString::Format(
1012                                                 _("Could not write to config file at %s.  Your changes have not been saved."),
1013                                                 std_to_wx(e.file().string())
1014                                                 )
1015                                         );
1016                         }
1017                 } catch (exception& e) {
1018                         error_dialog (
1019                                 this,
1020                                 _("Could not write to config file.  Your changes have not been saved.")
1021                                 );
1022                 }
1023
1024                 update_from_config (prop);
1025         }
1026
1027         void update_from_config (Config::Property prop)
1028         {
1029                 for (int i = 0; i < _history_items; ++i) {
1030                         delete _file_menu->Remove (ID_file_history + i);
1031                 }
1032
1033                 if (_history_separator) {
1034                         _file_menu->Remove (_history_separator);
1035                 }
1036                 delete _history_separator;
1037                 _history_separator = nullptr;
1038
1039                 int pos = _history_position;
1040
1041                 /* Clear out non-existent history items before we re-build the menu */
1042                 Config::instance()->clean_player_history ();
1043                 auto history = Config::instance()->player_history ();
1044
1045                 if (!history.empty ()) {
1046                         _history_separator = _file_menu->InsertSeparator (pos++);
1047                 }
1048
1049                 for (size_t i = 0; i < history.size(); ++i) {
1050                         string s;
1051                         if (i < 9) {
1052                                 s = String::compose ("&%1 %2", i + 1, history[i].string());
1053                         } else {
1054                                 s = history[i].string();
1055                         }
1056                         _file_menu->Insert (pos++, ID_file_history + i, std_to_wx (s));
1057                 }
1058
1059                 _history_items = history.size ();
1060
1061                 if (prop == Config::PLAYER_DEBUG_LOG) {
1062                         auto p = Config::instance()->player_debug_log_file();
1063                         if (p) {
1064                                 dcpomatic_log = make_shared<FileLog>(*p);
1065                         } else {
1066                                 dcpomatic_log = make_shared<NullLog>();
1067                         }
1068                         dcpomatic_log->set_types (LogEntry::TYPE_GENERAL | LogEntry::TYPE_WARNING | LogEntry::TYPE_ERROR | LogEntry::TYPE_DEBUG_VIDEO_VIEW);
1069                 }
1070         }
1071
1072         void set_menu_sensitivity ()
1073         {
1074                 _tools_verify->Enable (static_cast<bool>(_film));
1075                 _file_add_ov->Enable (static_cast<bool>(_film));
1076                 _file_add_kdm->Enable (static_cast<bool>(_film));
1077                 _file_save_frame->Enable (static_cast<bool>(_film));
1078                 _view_cpl->Enable (static_cast<bool>(_film));
1079         }
1080
1081         void start_stop_pressed ()
1082         {
1083                 if (_viewer.playing()) {
1084                         _viewer.stop();
1085                 } else {
1086                         _viewer.start();
1087                 }
1088         }
1089
1090         void go_back_frame ()
1091         {
1092                 _viewer.seek_by(-_viewer.one_video_frame(), true);
1093         }
1094
1095         void go_forward_frame ()
1096         {
1097                 _viewer.seek_by(_viewer.one_video_frame(), true);
1098         }
1099
1100         void go_seconds (int s)
1101         {
1102                 _viewer.seek_by(DCPTime::from_seconds(s), true);
1103         }
1104
1105         void go_to_start ()
1106         {
1107                 _viewer.seek(DCPTime(), true);
1108         }
1109
1110         void go_to_end ()
1111         {
1112                 _viewer.seek(_film->length() - _viewer.one_video_frame(), true);
1113         }
1114
1115         wxFrame* _dual_screen = nullptr;
1116         bool _update_news_requested = false;
1117         PlayerInformation* _info = nullptr;
1118         Config::PlayerMode _mode;
1119         wxPreferencesEditor* _config_dialog = nullptr;
1120         wxPanel* _overall_panel = nullptr;
1121         wxMenu* _file_menu = nullptr;
1122         wxMenuItem* _view_cpl = nullptr;
1123         wxMenu* _cpl_menu = nullptr;
1124         int _history_items = 0;
1125         int _history_position = 0;
1126         wxMenuItem* _history_separator = nullptr;
1127         FilmViewer _viewer;
1128         Controls* _controls;
1129         SystemInformationDialog* _system_information_dialog = nullptr;
1130         std::shared_ptr<Film> _film;
1131         boost::signals2::scoped_connection _config_changed_connection;
1132         boost::signals2::scoped_connection _examine_job_connection;
1133         wxMenuItem* _file_add_ov = nullptr;
1134         wxMenuItem* _file_add_kdm = nullptr;
1135         wxMenuItem* _file_save_frame = nullptr;
1136         wxMenuItem* _tools_verify = nullptr;
1137         wxMenuItem* _view_full_screen = nullptr;
1138         wxMenuItem* _view_dual_screen = nullptr;
1139         wxSizer* _main_sizer = nullptr;
1140         PlayerStressTester _stress;
1141         /** KDMs that have been loaded, so that we can pass them to the verifier */
1142         std::vector<boost::filesystem::path> _kdms;
1143 };
1144
1145 static const wxCmdLineEntryDesc command_line_description[] = {
1146         { wxCMD_LINE_PARAM, 0, 0, "DCP to load or create", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1147         { wxCMD_LINE_OPTION, "c", "config", "Directory containing config.xml", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1148         { wxCMD_LINE_OPTION, "s", "stress", "File containing description of stress test", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1149         { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
1150 };
1151
1152 class PlayServer : public Server
1153 {
1154 public:
1155         explicit PlayServer (DOMFrame* frame)
1156                 : Server (PLAYER_PLAY_PORT)
1157                 , _frame (frame)
1158         {}
1159
1160         void handle (shared_ptr<Socket> socket) override
1161         {
1162                 try {
1163                         uint32_t const length = socket->read_uint32 ();
1164                         if (length > 65536) {
1165                                 return;
1166                         }
1167                         scoped_array<char> buffer (new char[length]);
1168                         socket->read (reinterpret_cast<uint8_t*> (buffer.get()), length);
1169                         string s (buffer.get());
1170                         signal_manager->when_idle (bind (&DOMFrame::load_dcp, _frame, s));
1171                         socket->write (reinterpret_cast<uint8_t const *> ("OK"), 3);
1172                 } catch (...) {
1173
1174                 }
1175         }
1176
1177 private:
1178         DOMFrame* _frame;
1179 };
1180
1181 /** @class App
1182  *  @brief The magic App class for wxWidgets.
1183  */
1184 class App : public wxApp
1185 {
1186 public:
1187         App ()
1188                 : wxApp ()
1189         {
1190 #ifdef DCPOMATIC_LINUX
1191                 XInitThreads ();
1192 #endif
1193         }
1194
1195 private:
1196
1197         bool OnInit () override
1198         {
1199                 wxSplashScreen* splash;
1200                 try {
1201                         wxInitAllImageHandlers ();
1202
1203                         Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
1204                         Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
1205
1206                         splash = maybe_show_splash ();
1207
1208                         SetAppName (_("DCP-o-matic Player"));
1209
1210                         if (!wxApp::OnInit()) {
1211                                 return false;
1212                         }
1213
1214 #ifdef DCPOMATIC_LINUX
1215                         unsetenv ("UBUNTU_MENUPROXY");
1216 #endif
1217
1218 #ifdef DCPOMATIC_OSX
1219                         make_foreground_application ();
1220 #endif
1221
1222                         dcpomatic_setup_path_encoding ();
1223
1224                         /* Enable i18n; this will create a Config object
1225                            to look for a force-configured language.  This Config
1226                            object will be wrong, however, because dcpomatic_setup
1227                            hasn't yet been called and there aren't any filters etc.
1228                            set up yet.
1229                         */
1230                         dcpomatic_setup_i18n ();
1231
1232                         /* Set things up, including filters etc.
1233                            which will now be internationalised correctly.
1234                         */
1235                         dcpomatic_setup ();
1236
1237                         /* Force the configuration to be re-loaded correctly next
1238                            time it is needed.
1239                         */
1240                         Config::drop ();
1241
1242                         signal_manager = new wxSignalManager (this);
1243
1244                         _frame = new DOMFrame ();
1245                         SetTopWindow (_frame);
1246                         _frame->Maximize ();
1247                         if (splash) {
1248                                 splash->Destroy ();
1249                                 splash = nullptr;
1250                         }
1251                         _frame->Show ();
1252
1253                         try {
1254                                 auto server = new PlayServer (_frame);
1255                                 new thread (boost::bind (&PlayServer::run, server));
1256                         } catch (std::exception& e) {
1257                                 /* This is not the end of the world; probably a failure to bind the server socket
1258                                  * because there's already another player running.
1259                                  */
1260                                 LOG_DEBUG_PLAYER ("Failed to start play server (%1)", e.what());
1261                         }
1262
1263                         if (!_dcp_to_load.empty() && dcp::filesystem::is_directory(_dcp_to_load)) {
1264                                 try {
1265                                         _frame->load_dcp (_dcp_to_load);
1266                                 } catch (exception& e) {
1267                                         error_dialog (0, std_to_wx (String::compose (wx_to_std (_("Could not load DCP %1.")), _dcp_to_load)), std_to_wx(e.what()));
1268                                 }
1269                         }
1270
1271                         if (_stress) {
1272                                 try {
1273                                         _frame->load_stress_script (*_stress);
1274                                 } catch (exception& e) {
1275                                         error_dialog (0, wxString::Format("Could not load stress test file %s", std_to_wx(*_stress)));
1276                                 }
1277                         }
1278
1279                         Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
1280
1281                         if (Config::instance()->check_for_updates ()) {
1282                                 UpdateChecker::instance()->run ();
1283                         }
1284                 }
1285                 catch (exception& e)
1286                 {
1287                         if (splash) {
1288                                 splash->Destroy ();
1289                         }
1290                         error_dialog (0, _("DCP-o-matic Player could not start."), std_to_wx(e.what()));
1291                 }
1292
1293                 return true;
1294         }
1295
1296         void OnInitCmdLine (wxCmdLineParser& parser) override
1297         {
1298                 parser.SetDesc (command_line_description);
1299                 parser.SetSwitchChars (wxT ("-"));
1300         }
1301
1302         bool OnCmdLineParsed (wxCmdLineParser& parser) override
1303         {
1304                 if (parser.GetParamCount() > 0) {
1305                         _dcp_to_load = wx_to_std (parser.GetParam (0));
1306                 }
1307
1308                 wxString config;
1309                 if (parser.Found("c", &config)) {
1310                         Config::override_path = wx_to_std (config);
1311                 }
1312                 wxString stress;
1313                 if (parser.Found("s", &stress)) {
1314                         _stress = wx_to_std (stress);
1315                 }
1316
1317                 return true;
1318         }
1319
1320         void report_exception ()
1321         {
1322                 try {
1323                         throw;
1324                 } catch (FileError& e) {
1325                         error_dialog (
1326                                 0,
1327                                 wxString::Format (
1328                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
1329                                         std_to_wx (e.what()),
1330                                         std_to_wx (e.file().string().c_str ())
1331                                         )
1332                                 );
1333                 } catch (exception& e) {
1334                         error_dialog (
1335                                 0,
1336                                 wxString::Format (
1337                                         _("An exception occurred: %s.\n\n") + REPORT_PROBLEM,
1338                                         std_to_wx (e.what ())
1339                                         )
1340                                 );
1341                 } catch (...) {
1342                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
1343                 }
1344         }
1345
1346         /* An unhandled exception has occurred inside the main event loop */
1347         bool OnExceptionInMainLoop () override
1348         {
1349                 report_exception ();
1350                 /* This will terminate the program */
1351                 return false;
1352         }
1353
1354         void OnUnhandledException () override
1355         {
1356                 report_exception ();
1357         }
1358
1359         void idle ()
1360         {
1361                 signal_manager->ui_idle ();
1362         }
1363
1364         void config_failed_to_load ()
1365         {
1366                 message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
1367         }
1368
1369         void config_warning (string m)
1370         {
1371                 message_dialog (_frame, std_to_wx (m));
1372         }
1373
1374         DOMFrame* _frame = nullptr;
1375         string _dcp_to_load;
1376         boost::optional<string> _stress;
1377 };
1378
1379 IMPLEMENT_APP (App)