src/tools/dcpomatic_player.cc

   1 /*
   2     Copyright (C) 2017-2018 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
  22 #include "wx/wx_signal_manager.h"
  23 #include "wx/wx_util.h"
  24 #include "wx/about_dialog.h"
  25 #include "wx/report_problem_dialog.h"
  26 #include "wx/film_viewer.h"
  27 #include "wx/player_information.h"
  28 #include "wx/update_dialog.h"
  29 #include "wx/player_config_dialog.h"
  30 #include "wx/verify_dcp_dialog.h"
  31 #include "wx/control_film_viewer.h"
  32 #include "lib/cross.h"
  33 #include "lib/config.h"
  34 #include "lib/util.h"
  35 #include "lib/update_checker.h"
  36 #include "lib/compose.hpp"
  37 #include "lib/dcp_content.h"
  38 #include "lib/job_manager.h"
  39 #include "lib/job.h"
  40 #include "lib/film.h"
  41 #include "lib/video_content.h"
  42 #include "lib/text_content.h"
  43 #include "lib/ratio.h"
  44 #include "lib/verify_dcp_job.h"
  45 #include "lib/dcp_examiner.h"
  46 #include "lib/examine_content_job.h"
  47 #include "lib/server.h"
  48 #include "lib/dcpomatic_socket.h"
  49 #include <wx/wx.h>
  50 #include <wx/stdpaths.h>
  51 #include <wx/splash.h>
  52 #include <wx/cmdline.h>
  53 #include <wx/preferences.h>
  54 #include <wx/progdlg.h>
  55 #ifdef __WXOSX__
  56 #include <ApplicationServices/ApplicationServices.h>
  57 #endif
  58 #include <boost/bind.hpp>
  59 #include <iostream>
  60
  61 #ifdef check
  62 #undef check
  63 #endif
  64
  65 #define MAX_CPLS 32
  66
  67 using std::string;
  68 using std::cout;
  69 using std::list;
  70 using std::exception;
  71 using std::vector;
  72 using boost::shared_ptr;
  73 using boost::scoped_array;
  74 using boost::optional;
  75 using boost::dynamic_pointer_cast;
  76 using boost::thread;
  77 using boost::bind;
  78
  79 enum {
  80         ID_file_open = 1,
  81         ID_file_add_ov,
  82         ID_file_add_kdm,
  83         ID_file_history,
  84         /* Allow spare IDs after _history for the recent files list */
  85         ID_file_close = 100,
  86         ID_view_cpl,
  87         /* Allow spare IDs for CPLs */
  88         ID_view_closed_captions = 200,
  89         ID_view_scale_appropriate,
  90         ID_view_scale_full,
  91         ID_view_scale_half,
  92         ID_view_scale_quarter,
  93         ID_help_report_a_problem,
  94         ID_tools_verify,
  95         ID_tools_check_for_updates,
  96         /* IDs for shortcuts (with no associated menu item) */
  97         ID_start_stop,
  98         ID_back_frame,
  99         ID_forward_frame
 100 };
 101
 102 class DOMFrame : public wxFrame
 103 {
 104 public:
 105         DOMFrame ()
 106                 : wxFrame (0, -1, _("DCP-o-matic Player"))
 107                 , _update_news_requested (false)
 108                 , _info (0)
 109                 , _config_dialog (0)
 110                 , _file_menu (0)
 111                 , _history_items (0)
 112                 , _history_position (0)
 113                 , _history_separator (0)
 114         {
 115
 116 #if defined(DCPOMATIC_WINDOWS)
 117                 maybe_open_console ();
 118                 cout << "DCP-o-matic Player is starting." << "\n";
 119 #endif
 120
 121                 wxMenuBar* bar = new wxMenuBar;
 122                 setup_menu (bar);
 123                 set_menu_sensitivity ();
 124                 SetMenuBar (bar);
 125
 126 #ifdef DCPOMATIC_WINDOWS
 127                 SetIcon (wxIcon (std_to_wx ("id")));
 128 #endif
 129
 130                 _config_changed_connection = Config::instance()->Changed.connect (boost::bind (&DOMFrame::config_changed, this));
 131                 config_changed ();
 132
 133                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_open, this), ID_file_open);
 134                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_ov, this), ID_file_add_ov);
 135                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_kdm, this), ID_file_add_kdm);
 136                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_history, this, _1), ID_file_history, ID_file_history + HISTORY_SIZE);
 137                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_close, this), ID_file_close);
 138                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this), wxID_EXIT);
 139                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this), wxID_PREFERENCES);
 140                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_closed_captions, this), ID_view_closed_captions);
 141                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_cpl, this, _1), ID_view_cpl, ID_view_cpl + MAX_CPLS);
 142                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(0)), ID_view_scale_full);
 143                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(1)), ID_view_scale_half);
 144                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(2)), ID_view_scale_quarter);
 145                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this), wxID_ABOUT);
 146                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this), ID_help_report_a_problem);
 147                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_verify, this), ID_tools_verify);
 148                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_check_for_updates, this), ID_tools_check_for_updates);
 149
 150                 /* Use a panel as the only child of the Frame so that we avoid
 151                    the dark-grey background on Windows.
 152                 */
 153                 wxPanel* overall_panel = new wxPanel (this, wxID_ANY);
 154
 155                 _viewer.reset (new FilmViewer (overall_panel));
 156                 _controls = new Controls (overall_panel, _viewer);
 157                 _viewer->set_dcp_decode_reduction (Config::instance()->decode_reduction ());
 158                 _info = new PlayerInformation (overall_panel, _viewer);
 159                 wxSizer* main_sizer = new wxBoxSizer (wxVERTICAL);
 160                 main_sizer->Add (_viewer->panel(), 1, wxEXPAND | wxALL, 6);
 161                 main_sizer->Add (_controls, 0, wxEXPAND | wxALL, 6);
 162                 main_sizer->Add (_info, 0, wxEXPAND | wxALL, 6);
 163                 overall_panel->SetSizer (main_sizer);
 164
 165 #ifdef __WXOSX__
 166                 int accelerators = 4;
 167 #else
 168                 int accelerators = 3;
 169 #endif
 170
 171                 wxAcceleratorEntry* accel = new wxAcceleratorEntry[accelerators];
 172                 accel[0].Set(wxACCEL_NORMAL, WXK_SPACE, ID_start_stop);
 173                 accel[1].Set(wxACCEL_NORMAL, WXK_LEFT, ID_back_frame);
 174                 accel[2].Set(wxACCEL_NORMAL, WXK_RIGHT, ID_forward_frame);
 175 #ifdef __WXOSX__
 176                 accel[3].Set(wxACCEL_CTRL, static_cast<int>('W'), ID_file_close);
 177 #endif
 178                 wxAcceleratorTable accel_table (accelerators, accel);
 179                 SetAcceleratorTable (accel_table);
 180                 delete[] accel;
 181
 182                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::start_stop_pressed, this), ID_start_stop);
 183                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::back_frame, this), ID_back_frame);
 184                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::forward_frame, this), ID_forward_frame);
 185
 186                 UpdateChecker::instance()->StateChanged.connect (boost::bind (&DOMFrame::update_checker_state_changed, this));
 187         }
 188
 189         void set_decode_reduction (optional<int> reduction)
 190         {
 191                 _viewer->set_dcp_decode_reduction (reduction);
 192                 _info->triggered_update ();
 193                 Config::instance()->set_decode_reduction (reduction);
 194         }
 195
 196         void load_dcp (boost::filesystem::path dir)
 197         {
 198                 _film.reset (new Film (optional<boost::filesystem::path>()));
 199                 shared_ptr<DCPContent> dcp;
 200                 try {
 201                         dcp.reset (new DCPContent (_film, dir));
 202                 } catch (boost::filesystem::filesystem_error& e) {
 203                         error_dialog (this, _("Could not load DCP"), std_to_wx (e.what()));
 204                         return;
 205                 }
 206
 207                 _film->examine_and_add_content (dcp, true);
 208                 bool const ok = progress (_("Loading DCP"));
 209                 if (!ok || !report_errors_from_last_job()) {
 210                         return;
 211                 }
 212
 213                 setup_from_dcp (dcp);
 214
 215                 if (dcp->three_d()) {
 216                         _film->set_three_d (true);
 217                 }
 218
 219                 _viewer->set_film (_film);
 220                 _viewer->set_position (DCPTime ());
 221                 _info->triggered_update ();
 222
 223                 Config::instance()->add_to_player_history (dir);
 224
 225                 set_menu_sensitivity ();
 226
 227                 wxMenuItemList old = _cpl_menu->GetMenuItems();
 228                 for (wxMenuItemList::iterator i = old.begin(); i != old.end(); ++i) {
 229                         _cpl_menu->Remove (*i);
 230                 }
 231
 232                 DCPExaminer ex (dcp);
 233                 int id = ID_view_cpl;
 234                 BOOST_FOREACH (shared_ptr<dcp::CPL> i, ex.cpls()) {
 235                         wxMenuItem* j = _cpl_menu->AppendRadioItem(
 236                                 id,
 237                                 wxString::Format("%s (%s)", std_to_wx(i->annotation_text()).data(), std_to_wx(i->id()).data())
 238                                 );
 239                         j->Check(!dcp->cpl() || i->id() == *dcp->cpl());
 240                         ++id;
 241                 }
 242         }
 243
 244 private:
 245
 246         void setup_menu (wxMenuBar* m)
 247         {
 248                 _file_menu = new wxMenu;
 249                 _file_menu->Append (ID_file_open, _("&Open...\tCtrl-O"));
 250                 _file_add_ov = _file_menu->Append (ID_file_add_ov, _("&Add OV..."));
 251                 _file_add_kdm = _file_menu->Append (ID_file_add_kdm, _("&Add KDM..."));
 252
 253                 _history_position = _file_menu->GetMenuItems().GetCount();
 254
 255                 _file_menu->AppendSeparator ();
 256                 _file_menu->Append (ID_file_close, _("&Close"));
 257                 _file_menu->AppendSeparator ();
 258
 259 #ifdef __WXOSX__
 260                 _file_menu->Append (wxID_EXIT, _("&Exit"));
 261 #else
 262                 _file_menu->Append (wxID_EXIT, _("&Quit"));
 263 #endif
 264
 265 #ifdef __WXOSX__
 266                 _file_menu->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 267 #else
 268                 wxMenu* edit = new wxMenu;
 269                 edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 270 #endif
 271
 272                 _cpl_menu = new wxMenu;
 273
 274                 wxMenu* view = new wxMenu;
 275                 optional<int> c = Config::instance()->decode_reduction();
 276                 _view_cpl = view->Append(ID_view_cpl, _("CPL"), _cpl_menu);
 277                 view->Append(ID_view_closed_captions, _("Closed captions..."));
 278                 view->AppendSeparator();
 279                 view->AppendRadioItem(ID_view_scale_appropriate, _("Set decode resolution to match display"))->Check(!static_cast<bool>(c));
 280                 view->AppendRadioItem(ID_view_scale_full, _("Decode at full resolution"))->Check(c && c.get() == 0);
 281                 view->AppendRadioItem(ID_view_scale_half, _("Decode at half resolution"))->Check(c && c.get() == 1);
 282                 view->AppendRadioItem(ID_view_scale_quarter, _("Decode at quarter resolution"))->Check(c && c.get() == 2);
 283
 284                 wxMenu* tools = new wxMenu;
 285                 _tools_verify = tools->Append (ID_tools_verify, _("Verify DCP"));
 286                 tools->AppendSeparator ();
 287                 tools->Append (ID_tools_check_for_updates, _("Check for updates"));
 288
 289                 wxMenu* help = new wxMenu;
 290 #ifdef __WXOSX__
 291                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 292 #else
 293                 help->Append (wxID_ABOUT, _("About"));
 294 #endif
 295                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 296
 297                 m->Append (_file_menu, _("&File"));
 298 #ifndef __WXOSX__
 299                 m->Append (edit, _("&Edit"));
 300 #endif
 301                 m->Append (view, _("&View"));
 302                 m->Append (tools, _("&Tools"));
 303                 m->Append (help, _("&Help"));
 304         }
 305
 306         void file_open ()
 307         {
 308                 wxString d = wxStandardPaths::Get().GetDocumentsDir();
 309                 if (Config::instance()->last_player_load_directory()) {
 310                         d = std_to_wx (Config::instance()->last_player_load_directory()->string());
 311                 }
 312
 313                 wxDirDialog* c = new wxDirDialog (this, _("Select DCP to open"), d, wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST);
 314
 315                 int r;
 316                 while (true) {
 317                         r = c->ShowModal ();
 318                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 319                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 320                         } else {
 321                                 break;
 322                         }
 323                 }
 324
 325                 if (r == wxID_OK) {
 326                         boost::filesystem::path const dcp (wx_to_std (c->GetPath ()));
 327                         load_dcp (dcp);
 328                         Config::instance()->set_last_player_load_directory (dcp.parent_path());
 329                 }
 330
 331                 c->Destroy ();
 332         }
 333
 334         void file_add_ov ()
 335         {
 336                 wxDirDialog* c = new wxDirDialog (
 337                         this,
 338                         _("Select DCP to open as OV"),
 339                         wxStandardPaths::Get().GetDocumentsDir(),
 340                         wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST
 341                         );
 342
 343                 int r;
 344                 while (true) {
 345                         r = c->ShowModal ();
 346                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 347                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 348                         } else {
 349                                 break;
 350                         }
 351                 }
 352
 353                 if (r == wxID_OK) {
 354                         DCPOMATIC_ASSERT (_film);
 355                         shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
 356                         DCPOMATIC_ASSERT (dcp);
 357                         dcp->add_ov (wx_to_std(c->GetPath()));
 358                         JobManager::instance()->add(shared_ptr<Job>(new ExamineContentJob (_film, dcp)));
 359                         bool const ok = progress (_("Loading DCP"));
 360                         if (!ok || !report_errors_from_last_job()) {
 361                                 return;
 362                         }
 363                         setup_from_dcp (dcp);
 364                 }
 365
 366                 c->Destroy ();
 367                 _info->triggered_update ();
 368         }
 369
 370         void file_add_kdm ()
 371         {
 372                 wxFileDialog* d = new wxFileDialog (this, _("Select KDM"));
 373
 374                 if (d->ShowModal() == wxID_OK) {
 375                         DCPOMATIC_ASSERT (_film);
 376                         shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
 377                         DCPOMATIC_ASSERT (dcp);
 378                         try {
 379                                 dcp->add_kdm (dcp::EncryptedKDM (dcp::file_to_string (wx_to_std (d->GetPath ()), MAX_KDM_SIZE)));
 380                                 dcp->examine (shared_ptr<Job>());
 381                         } catch (exception& e) {
 382                                 error_dialog (this, wxString::Format (_("Could not load KDM.")), std_to_wx(e.what()));
 383                                 d->Destroy ();
 384                                 return;
 385                         }
 386                 }
 387
 388                 d->Destroy ();
 389                 _info->triggered_update ();
 390         }
 391
 392         void file_history (wxCommandEvent& event)
 393         {
 394                 vector<boost::filesystem::path> history = Config::instance()->player_history ();
 395                 int n = event.GetId() - ID_file_history;
 396                 if (n >= 0 && n < static_cast<int> (history.size ())) {
 397                         load_dcp (history[n]);
 398                 }
 399         }
 400
 401         void file_close ()
 402         {
 403                 _viewer->set_film (shared_ptr<Film>());
 404                 _film.reset ();
 405                 _info->triggered_update ();
 406                 set_menu_sensitivity ();
 407         }
 408
 409         void file_exit ()
 410         {
 411                 Close ();
 412         }
 413
 414         void edit_preferences ()
 415         {
 416                 if (!_config_dialog) {
 417                         _config_dialog = create_player_config_dialog ();
 418                 }
 419                 _config_dialog->Show (this);
 420         }
 421
 422         void view_cpl (wxCommandEvent& ev)
 423         {
 424                 shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
 425                 DCPOMATIC_ASSERT (dcp);
 426                 DCPExaminer ex (dcp);
 427                 int id = ev.GetId() - ID_view_cpl;
 428                 DCPOMATIC_ASSERT (id >= 0);
 429                 DCPOMATIC_ASSERT (id < int(ex.cpls().size()));
 430                 list<shared_ptr<dcp::CPL> > cpls = ex.cpls();
 431                 list<shared_ptr<dcp::CPL> >::iterator i = cpls.begin();
 432                 while (id > 0) {
 433                         ++i;
 434                         --id;
 435                 }
 436
 437                 dcp->set_cpl ((*i)->id());
 438                 dcp->examine (shared_ptr<Job>());
 439         }
 440
 441         void view_closed_captions ()
 442         {
 443                 _viewer->show_closed_captions ();
 444         }
 445
 446         void tools_verify ()
 447         {
 448                 shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
 449                 DCPOMATIC_ASSERT (dcp);
 450
 451                 JobManager* jm = JobManager::instance ();
 452                 jm->add (shared_ptr<Job> (new VerifyDCPJob (dcp->directories())));
 453                 bool const ok = progress (_("Verifying DCP"));
 454                 if (!ok) {
 455                         return;
 456                 }
 457
 458                 DCPOMATIC_ASSERT (!jm->get().empty());
 459                 shared_ptr<VerifyDCPJob> last = dynamic_pointer_cast<VerifyDCPJob> (jm->get().back());
 460                 DCPOMATIC_ASSERT (last);
 461
 462                 VerifyDCPDialog* d = new VerifyDCPDialog (this, last);
 463                 d->ShowModal ();
 464                 d->Destroy ();
 465         }
 466
 467         void tools_check_for_updates ()
 468         {
 469                 UpdateChecker::instance()->run ();
 470                 _update_news_requested = true;
 471         }
 472
 473         void help_about ()
 474         {
 475                 AboutDialog* d = new AboutDialog (this);
 476                 d->ShowModal ();
 477                 d->Destroy ();
 478         }
 479
 480         void help_report_a_problem ()
 481         {
 482                 ReportProblemDialog* d = new ReportProblemDialog (this);
 483                 if (d->ShowModal () == wxID_OK) {
 484                         d->report ();
 485                 }
 486                 d->Destroy ();
 487         }
 488
 489         void update_checker_state_changed ()
 490         {
 491                 UpdateChecker* uc = UpdateChecker::instance ();
 492
 493                 bool const announce =
 494                         _update_news_requested ||
 495                         (uc->stable() && Config::instance()->check_for_updates()) ||
 496                         (uc->test() && Config::instance()->check_for_updates() && Config::instance()->check_for_test_updates());
 497
 498                 _update_news_requested = false;
 499
 500                 if (!announce) {
 501                         return;
 502                 }
 503
 504                 if (uc->state() == UpdateChecker::YES) {
 505                         UpdateDialog* dialog = new UpdateDialog (this, uc->stable (), uc->test ());
 506                         dialog->ShowModal ();
 507                         dialog->Destroy ();
 508                 } else if (uc->state() == UpdateChecker::FAILED) {
 509                         error_dialog (this, _("The DCP-o-matic download server could not be contacted."));
 510                 } else {
 511                         error_dialog (this, _("There are no new versions of DCP-o-matic available."));
 512                 }
 513
 514                 _update_news_requested = false;
 515         }
 516
 517         void config_changed ()
 518         {
 519                 /* Instantly save any config changes when using the player GUI */
 520                 try {
 521                         Config::instance()->write_config();
 522                 } catch (exception& e) {
 523                         error_dialog (
 524                                 this,
 525                                 wxString::Format (
 526                                         _("Could not write to config file at %s.  Your changes have not been saved."),
 527                                         std_to_wx (Config::instance()->cinemas_file().string()).data()
 528                                         )
 529                                 );
 530                 }
 531
 532                 for (int i = 0; i < _history_items; ++i) {
 533                         delete _file_menu->Remove (ID_file_history + i);
 534                 }
 535
 536                 if (_history_separator) {
 537                         _file_menu->Remove (_history_separator);
 538                 }
 539                 delete _history_separator;
 540                 _history_separator = 0;
 541
 542                 int pos = _history_position;
 543
 544                 vector<boost::filesystem::path> history = Config::instance()->player_history ();
 545
 546                 if (!history.empty ()) {
 547                         _history_separator = _file_menu->InsertSeparator (pos++);
 548                 }
 549
 550                 for (size_t i = 0; i < history.size(); ++i) {
 551                         string s;
 552                         if (i < 9) {
 553                                 s = String::compose ("&%1 %2", i + 1, history[i].string());
 554                         } else {
 555                                 s = history[i].string();
 556                         }
 557                         _file_menu->Insert (pos++, ID_file_history + i, std_to_wx (s));
 558                 }
 559
 560                 _history_items = history.size ();
 561         }
 562
 563         void set_menu_sensitivity ()
 564         {
 565                 _tools_verify->Enable (static_cast<bool>(_film));
 566                 _file_add_ov->Enable (static_cast<bool>(_film));
 567                 _file_add_kdm->Enable (static_cast<bool>(_film));
 568                 _view_cpl->Enable (static_cast<bool>(_film));
 569         }
 570
 571         void start_stop_pressed ()
 572         {
 573                 if (_viewer->playing()) {
 574                         _viewer->stop();
 575                 } else {
 576                         _viewer->start();
 577                 }
 578         }
 579
 580         void back_frame ()
 581         {
 582                 _viewer->move (-_viewer->one_video_frame());
 583         }
 584
 585         void forward_frame ()
 586         {
 587                 _viewer->move (_viewer->one_video_frame());
 588         }
 589
 590 private:
 591
 592         /** @return false if the task was cancelled */
 593         bool progress (wxString task)
 594         {
 595                 JobManager* jm = JobManager::instance ();
 596
 597                 wxProgressDialog* progress = new wxProgressDialog (_("DCP-o-matic Player"), task, 100, 0, wxPD_CAN_ABORT);
 598
 599                 bool ok = true;
 600
 601                 while (jm->work_to_do() || signal_manager->ui_idle()) {
 602                         dcpomatic_sleep (1);
 603                         if (!progress->Pulse()) {
 604                                 /* user pressed cancel */
 605                                 BOOST_FOREACH (shared_ptr<Job> i, jm->get()) {
 606                                         i->cancel();
 607                                 }
 608                                 ok = false;
 609                                 break;
 610                         }
 611                 }
 612
 613                 progress->Destroy ();
 614                 return ok;
 615         }
 616
 617         bool report_errors_from_last_job ()
 618         {
 619                 JobManager* jm = JobManager::instance ();
 620
 621                 DCPOMATIC_ASSERT (!jm->get().empty());
 622
 623                 shared_ptr<Job> last = jm->get().back();
 624                 if (last->finished_in_error()) {
 625                         error_dialog(this, std_to_wx(last->error_summary()) + ".\n", std_to_wx(last->error_details()));
 626                         return false;
 627                 }
 628
 629                 return true;
 630         }
 631
 632         void setup_from_dcp (shared_ptr<DCPContent> dcp)
 633         {
 634                 BOOST_FOREACH (shared_ptr<TextContent> i, dcp->text) {
 635                         i->set_use (true);
 636                 }
 637
 638                 if (dcp->video) {
 639                         Ratio const * r = Ratio::nearest_from_ratio(dcp->video->size().ratio());
 640                         if (r) {
 641                                 _film->set_container(r);
 642                         }
 643                 }
 644         }
 645
 646         bool _update_news_requested;
 647         PlayerInformation* _info;
 648         wxPreferencesEditor* _config_dialog;
 649         wxMenu* _file_menu;
 650         wxMenuItem* _view_cpl;
 651         wxMenu* _cpl_menu;
 652         int _history_items;
 653         int _history_position;
 654         wxMenuItem* _history_separator;
 655         shared_ptr<FilmViewer> _viewer;
 656         Controls* _controls;
 657         boost::shared_ptr<Film> _film;
 658         boost::signals2::scoped_connection _config_changed_connection;
 659         wxMenuItem* _file_add_ov;
 660         wxMenuItem* _file_add_kdm;
 661         wxMenuItem* _tools_verify;
 662 };
 663
 664 static const wxCmdLineEntryDesc command_line_description[] = {
 665         { wxCMD_LINE_PARAM, 0, 0, "DCP to load or create", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
 666         { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
 667 };
 668
 669 class PlayServer : public Server
 670 {
 671 public:
 672         explicit PlayServer (DOMFrame* frame)
 673                 : Server (PLAYER_PLAY_PORT)
 674                 , _frame (frame)
 675         {}
 676
 677         void handle (shared_ptr<Socket> socket)
 678         {
 679                 try {
 680                         int const length = socket->read_uint32 ();
 681                         scoped_array<char> buffer (new char[length]);
 682                         socket->read (reinterpret_cast<uint8_t*> (buffer.get()), length);
 683                         string s (buffer.get());
 684                         signal_manager->when_idle (bind (&DOMFrame::load_dcp, _frame, s));
 685                         socket->write (reinterpret_cast<uint8_t const *> ("OK"), 3);
 686                 } catch (...) {
 687
 688                 }
 689         }
 690
 691 private:
 692         DOMFrame* _frame;
 693 };
 694
 695 /** @class App
 696  *  @brief The magic App class for wxWidgets.
 697  */
 698 class App : public wxApp
 699 {
 700 public:
 701         App ()
 702                 : wxApp ()
 703                 , _frame (0)
 704         {}
 705
 706 private:
 707
 708         bool OnInit ()
 709         try
 710         {
 711                 wxInitAllImageHandlers ();
 712
 713                 Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
 714                 Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
 715
 716                 wxSplashScreen* splash = maybe_show_splash ();
 717
 718                 SetAppName (_("DCP-o-matic Player"));
 719
 720                 if (!wxApp::OnInit()) {
 721                         return false;
 722                 }
 723
 724 #ifdef DCPOMATIC_LINUX
 725                 unsetenv ("UBUNTU_MENUPROXY");
 726 #endif
 727
 728 #ifdef __WXOSX__
 729                 ProcessSerialNumber serial;
 730                 GetCurrentProcess (&serial);
 731                 TransformProcessType (&serial, kProcessTransformToForegroundApplication);
 732 #endif
 733
 734                 dcpomatic_setup_path_encoding ();
 735
 736                 /* Enable i18n; this will create a Config object
 737                    to look for a force-configured language.  This Config
 738                    object will be wrong, however, because dcpomatic_setup
 739                    hasn't yet been called and there aren't any filters etc.
 740                    set up yet.
 741                 */
 742                 dcpomatic_setup_i18n ();
 743
 744                 /* Set things up, including filters etc.
 745                    which will now be internationalised correctly.
 746                 */
 747                 dcpomatic_setup ();
 748
 749                 /* Force the configuration to be re-loaded correctly next
 750                    time it is needed.
 751                 */
 752                 Config::drop ();
 753
 754                 _frame = new DOMFrame ();
 755                 SetTopWindow (_frame);
 756                 _frame->Maximize ();
 757                 if (splash) {
 758                         splash->Destroy ();
 759                 }
 760                 _frame->Show ();
 761
 762                 signal_manager = new wxSignalManager (this);
 763
 764                 PlayServer* server = new PlayServer (_frame);
 765                 new thread (boost::bind (&PlayServer::run, server));
 766
 767                 if (!_dcp_to_load.empty() && boost::filesystem::is_directory (_dcp_to_load)) {
 768                         try {
 769                                 _frame->load_dcp (_dcp_to_load);
 770                         } catch (exception& e) {
 771                                 error_dialog (0, std_to_wx (String::compose (wx_to_std (_("Could not load DCP %1.")), _dcp_to_load)), std_to_wx(e.what()));
 772                         }
 773                 }
 774
 775                 Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
 776
 777                 if (Config::instance()->check_for_updates ()) {
 778                         UpdateChecker::instance()->run ();
 779                 }
 780
 781                 return true;
 782         }
 783         catch (exception& e)
 784         {
 785                 error_dialog (0, _("DCP-o-matic Player could not start."), std_to_wx(e.what()));
 786                 return true;
 787         }
 788
 789         void OnInitCmdLine (wxCmdLineParser& parser)
 790         {
 791                 parser.SetDesc (command_line_description);
 792                 parser.SetSwitchChars (wxT ("-"));
 793         }
 794
 795         bool OnCmdLineParsed (wxCmdLineParser& parser)
 796         {
 797                 if (parser.GetParamCount() > 0) {
 798                         _dcp_to_load = wx_to_std (parser.GetParam (0));
 799                 }
 800
 801                 return true;
 802         }
 803
 804         void report_exception ()
 805         {
 806                 try {
 807                         throw;
 808                 } catch (FileError& e) {
 809                         error_dialog (
 810                                 0,
 811                                 wxString::Format (
 812                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
 813                                         std_to_wx (e.what()),
 814                                         std_to_wx (e.file().string().c_str ())
 815                                         )
 816                                 );
 817                 } catch (exception& e) {
 818                         error_dialog (
 819                                 0,
 820                                 wxString::Format (
 821                                         _("An exception occurred: %s.\n\n") + REPORT_PROBLEM,
 822                                         std_to_wx (e.what ())
 823                                         )
 824                                 );
 825                 } catch (...) {
 826                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 827                 }
 828         }
 829
 830         /* An unhandled exception has occurred inside the main event loop */
 831         bool OnExceptionInMainLoop ()
 832         {
 833                 report_exception ();
 834                 /* This will terminate the program */
 835                 return false;
 836         }
 837
 838         void OnUnhandledException ()
 839         {
 840                 report_exception ();
 841         }
 842
 843         void idle ()
 844         {
 845                 signal_manager->ui_idle ();
 846         }
 847
 848         void config_failed_to_load ()
 849         {
 850                 message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
 851         }
 852
 853         void config_warning (string m)
 854         {
 855                 message_dialog (_frame, std_to_wx (m));
 856         }
 857
 858         DOMFrame* _frame;
 859         string _dcp_to_load;
 860 };
 861
 862 IMPLEMENT_APP (App)