src/tools/dcpomatic_player.cc

   1 /*
   2     Copyright (C) 2017-2019 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/wx_signal_manager.h"
  22 #include "wx/wx_util.h"
  23 #include "wx/about_dialog.h"
  24 #include "wx/report_problem_dialog.h"
  25 #include "wx/film_viewer.h"
  26 #include "wx/player_information.h"
  27 #include "wx/update_dialog.h"
  28 #include "wx/player_config_dialog.h"
  29 #include "wx/verify_dcp_dialog.h"
  30 #include "wx/standard_controls.h"
  31 #include "wx/swaroop_controls.h"
  32 #include "wx/timer_display.h"
  33 #include "wx/system_information_dialog.h"
  34 #include "lib/cross.h"
  35 #include "lib/config.h"
  36 #include "lib/util.h"
  37 #include "lib/internet.h"
  38 #include "lib/update_checker.h"
  39 #include "lib/compose.hpp"
  40 #include "lib/dcp_content.h"
  41 #include "lib/job_manager.h"
  42 #include "lib/job.h"
  43 #include "lib/film.h"
  44 #include "lib/null_log.h"
  45 #include "lib/video_content.h"
  46 #include "lib/text_content.h"
  47 #include "lib/ratio.h"
  48 #include "lib/verify_dcp_job.h"
  49 #include "lib/dcp_examiner.h"
  50 #include "lib/examine_content_job.h"
  51 #include "lib/server.h"
  52 #include "lib/dcpomatic_socket.h"
  53 #include "lib/scoped_temporary.h"
  54 #include "lib/monitor_checker.h"
  55 #include "lib/lock_file_checker.h"
  56 #include "lib/ffmpeg_content.h"
  57 #include "lib/dcpomatic_log.h"
  58 #include "lib/file_log.h"
  59 #include <dcp/dcp.h>
  60 #include <dcp/raw_convert.h>
  61 #include <dcp/exceptions.h>
  62 #include <wx/wx.h>
  63 #include <wx/stdpaths.h>
  64 #include <wx/splash.h>
  65 #include <wx/cmdline.h>
  66 #include <wx/preferences.h>
  67 #include <wx/progdlg.h>
  68 #include <wx/display.h>
  69 #ifdef __WXOSX__
  70 #include <ApplicationServices/ApplicationServices.h>
  71 #endif
  72 #include <boost/bind.hpp>
  73 #include <iostream>
  74
  75 #ifdef check
  76 #undef check
  77 #endif
  78
  79 #define MAX_CPLS 32
  80
  81 using std::string;
  82 using std::cout;
  83 using std::list;
  84 using std::exception;
  85 using std::vector;
  86 using boost::shared_ptr;
  87 using boost::weak_ptr;
  88 using boost::scoped_array;
  89 using boost::optional;
  90 using boost::dynamic_pointer_cast;
  91 using boost::thread;
  92 using boost::bind;
  93 using namespace dcpomatic;
  94
  95 enum {
  96         ID_file_open = 1,
  97         ID_file_add_ov,
  98         ID_file_add_kdm,
  99         ID_file_history,
 100         /* Allow spare IDs after _history for the recent files list */
 101         ID_file_close = 100,
 102         ID_view_cpl,
 103         /* Allow spare IDs for CPLs */
 104         ID_view_full_screen = 200,
 105         ID_view_dual_screen,
 106         ID_view_closed_captions,
 107         ID_view_scale_appropriate,
 108         ID_view_scale_full,
 109         ID_view_scale_half,
 110         ID_view_scale_quarter,
 111         ID_help_report_a_problem,
 112         ID_tools_verify,
 113         ID_tools_check_for_updates,
 114         ID_tools_timing,
 115         ID_tools_system_information,
 116         /* IDs for shortcuts (with no associated menu item) */
 117         ID_start_stop,
 118         ID_back_frame,
 119         ID_forward_frame
 120 };
 121
 122 class DOMFrame : public wxFrame
 123 {
 124 public:
 125         DOMFrame ()
 126                 : wxFrame (0, -1, _("DCP-o-matic Player"))
 127                 , _dual_screen (0)
 128                 , _update_news_requested (false)
 129                 , _info (0)
 130                 , _mode (Config::instance()->player_mode())
 131                 , _config_dialog (0)
 132                 , _file_menu (0)
 133                 , _history_items (0)
 134                 , _history_position (0)
 135                 , _history_separator (0)
 136                 , _system_information_dialog (0)
 137                 , _view_full_screen (0)
 138                 , _view_dual_screen (0)
 139         {
 140                 dcpomatic_log.reset (new NullLog());
 141
 142 #if defined(DCPOMATIC_WINDOWS)
 143                 maybe_open_console ();
 144                 cout << "DCP-o-matic Player is starting." << "\n";
 145 #endif
 146
 147                 wxMenuBar* bar = new wxMenuBar;
 148                 setup_menu (bar);
 149                 set_menu_sensitivity ();
 150                 SetMenuBar (bar);
 151
 152 #ifdef DCPOMATIC_WINDOWS
 153                 SetIcon (wxIcon (std_to_wx ("id")));
 154 #endif
 155
 156                 _config_changed_connection = Config::instance()->Changed.connect (boost::bind (&DOMFrame::config_changed, this, _1));
 157                 update_from_config (Config::PLAYER_DEBUG_LOG);
 158
 159                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_open, this), ID_file_open);
 160                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_ov, this), ID_file_add_ov);
 161                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_kdm, this), ID_file_add_kdm);
 162                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_history, this, _1), ID_file_history, ID_file_history + HISTORY_SIZE);
 163                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_close, this), ID_file_close);
 164                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this), wxID_EXIT);
 165                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this), wxID_PREFERENCES);
 166                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_full_screen, this), ID_view_full_screen);
 167                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_dual_screen, this), ID_view_dual_screen);
 168                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_closed_captions, this), ID_view_closed_captions);
 169                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_cpl, this, _1), ID_view_cpl, ID_view_cpl + MAX_CPLS);
 170                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(0)), ID_view_scale_full);
 171                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(1)), ID_view_scale_half);
 172                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(2)), ID_view_scale_quarter);
 173                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this), wxID_ABOUT);
 174                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this), ID_help_report_a_problem);
 175                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_verify, this), ID_tools_verify);
 176                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_check_for_updates, this), ID_tools_check_for_updates);
 177                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_timing, this), ID_tools_timing);
 178                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_system_information, this), ID_tools_system_information);
 179
 180                 /* Use a panel as the only child of the Frame so that we avoid
 181                    the dark-grey background on Windows.
 182                 */
 183                 _overall_panel = new wxPanel (this, wxID_ANY);
 184
 185                 _viewer.reset (new FilmViewer (_overall_panel));
 186 #ifdef DCPOMATIC_VARIANT_SWAROOP
 187                 SwaroopControls* sc = new SwaroopControls (_overall_panel, _viewer);
 188                 _controls = sc;
 189                 sc->ResetFilm.connect (bind(&DOMFrame::reset_film_weak, this, _1));
 190 #else
 191                 _controls = new StandardControls (_overall_panel, _viewer, false);
 192 #endif
 193                 _viewer->set_dcp_decode_reduction (Config::instance()->decode_reduction ());
 194                 _viewer->PlaybackPermitted.connect (bind(&DOMFrame::playback_permitted, this));
 195                 _viewer->Started.connect (bind(&DOMFrame::playback_started, this, _1));
 196                 _viewer->Stopped.connect (bind(&DOMFrame::playback_stopped, this, _1));
 197                 _info = new PlayerInformation (_overall_panel, _viewer);
 198                 setup_main_sizer (Config::instance()->player_mode());
 199 #ifdef __WXOSX__
 200                 int accelerators = 4;
 201 #else
 202                 int accelerators = 3;
 203 #endif
 204
 205                 wxAcceleratorEntry* accel = new wxAcceleratorEntry[accelerators];
 206                 accel[0].Set(wxACCEL_NORMAL, WXK_SPACE, ID_start_stop);
 207                 accel[1].Set(wxACCEL_NORMAL, WXK_LEFT, ID_back_frame);
 208                 accel[2].Set(wxACCEL_NORMAL, WXK_RIGHT, ID_forward_frame);
 209 #ifdef __WXOSX__
 210                 accel[3].Set(wxACCEL_CTRL, static_cast<int>('W'), ID_file_close);
 211 #endif
 212                 wxAcceleratorTable accel_table (accelerators, accel);
 213                 SetAcceleratorTable (accel_table);
 214                 delete[] accel;
 215
 216                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::start_stop_pressed, this), ID_start_stop);
 217                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::back_frame, this), ID_back_frame);
 218                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::forward_frame, this), ID_forward_frame);
 219
 220                 reset_film ();
 221
 222                 UpdateChecker::instance()->StateChanged.connect (boost::bind (&DOMFrame::update_checker_state_changed, this));
 223 #ifdef DCPOMATIC_VARIANT_SWAROOP
 224                 MonitorChecker::instance()->StateChanged.connect(boost::bind(&DOMFrame::monitor_checker_state_changed, this));
 225                 MonitorChecker::instance()->run ();
 226                 LockFileChecker::instance()->StateChanged.connect(boost::bind(&DOMFrame::lock_checker_state_changed, this));
 227                 LockFileChecker::instance()->run ();
 228 #endif
 229                 setup_screen ();
 230
 231 #ifdef DCPOMATIC_VARIANT_SWAROOP
 232                 sc->check_restart ();
 233 #endif
 234         }
 235
 236 #ifdef DCPOMATIC_VARIANT_SWAROOP
 237         void monitor_checker_state_changed ()
 238         {
 239                 if (!MonitorChecker::instance()->ok()) {
 240                         _viewer->stop ();
 241                         error_dialog (this, _("The required display devices are not connected correctly."));
 242                 }
 243         }
 244
 245         void lock_checker_state_changed ()
 246         {
 247                 if (!LockFileChecker::instance()->ok()) {
 248                         _viewer->stop ();
 249                         error_dialog (this, _("The lock file is not present."));
 250                 }
 251         }
 252 #endif
 253
 254         void setup_main_sizer (Config::PlayerMode mode)
 255         {
 256                 wxSizer* main_sizer = new wxBoxSizer (wxVERTICAL);
 257                 if (mode != Config::PLAYER_MODE_DUAL) {
 258                         main_sizer->Add (_viewer->panel(), 1, wxEXPAND | wxALIGN_CENTER_VERTICAL);
 259                 }
 260                 main_sizer->Add (_controls, mode == Config::PLAYER_MODE_DUAL ? 1 : 0, wxEXPAND | wxALL, 6);
 261                 main_sizer->Add (_info, 0, wxEXPAND | wxALL, 6);
 262                 _overall_panel->SetSizer (main_sizer);
 263                 _overall_panel->Layout ();
 264         }
 265
 266         bool playback_permitted ()
 267         {
 268 #ifdef DCPOMATIC_VARIANT_SWAROOP
 269                 if (!MonitorChecker::instance()->ok()) {
 270                         error_dialog (this, _("The required display devices are not connected correctly."));
 271                         return false;
 272                 }
 273                 if (!LockFileChecker::instance()->ok()) {
 274                         error_dialog (this, _("The lock file is not present."));
 275                         return false;
 276                 }
 277 #endif
 278                 if (!_film || !Config::instance()->respect_kdm_validity_periods()) {
 279                         return true;
 280                 }
 281
 282                 bool ok = true;
 283                 BOOST_FOREACH (shared_ptr<Content> i, _film->content()) {
 284                         shared_ptr<DCPContent> d = dynamic_pointer_cast<DCPContent>(i);
 285                         if (d && !d->kdm_timing_window_valid()) {
 286                                 ok = false;
 287                         }
 288                 }
 289
 290 #ifdef DCPOMATIC_VARIANT_SWAROOP
 291                 BOOST_FOREACH (shared_ptr<Content> i, _film->content()) {
 292                         shared_ptr<FFmpegContent> c = dynamic_pointer_cast<FFmpegContent>(i);
 293                         if (c && !c->kdm_timing_window_valid()) {
 294                                 ok = false;
 295                         }
 296                 }
 297 #endif
 298
 299                 if (!ok) {
 300                         error_dialog (this, _("The KDM does not allow playback of this content at this time."));
 301                 }
 302
 303                 return ok;
 304         }
 305
 306         void playback_started (DCPTime time)
 307         {
 308                 /* XXX: this only logs the first piece of content; probably should be each piece? */
 309                 if (_film->content().empty()) {
 310                         return;
 311                 }
 312
 313                 shared_ptr<DCPContent> dcp = dynamic_pointer_cast<DCPContent>(_film->content().front());
 314                 if (dcp) {
 315                         DCPExaminer ex (dcp, true);
 316                         shared_ptr<dcp::CPL> playing_cpl;
 317                         BOOST_FOREACH (shared_ptr<dcp::CPL> i, ex.cpls()) {
 318                                 if (!dcp->cpl() || i->id() == *dcp->cpl()) {
 319                                         playing_cpl = i;
 320                                 }
 321                         }
 322                         DCPOMATIC_ASSERT (playing_cpl);
 323
 324                         _controls->log (
 325                                 wxString::Format(
 326                                         "playback-started %s %s %s",
 327                                         time.timecode(_film->video_frame_rate()).c_str(),
 328                                         dcp->directories().front().string().c_str(),
 329                                         playing_cpl->annotation_text().c_str()
 330                                         )
 331                                 );
 332                 }
 333
 334                 shared_ptr<FFmpegContent> ffmpeg = dynamic_pointer_cast<FFmpegContent>(_film->content().front());
 335                 if (ffmpeg) {
 336                         _controls->log (
 337                                 wxString::Format(
 338                                         "playback-started %s %s",
 339                                         time.timecode(_film->video_frame_rate()).c_str(),
 340                                         ffmpeg->path(0).string().c_str()
 341                                         )
 342                                 );
 343                 }
 344         }
 345
 346         void playback_stopped (DCPTime time)
 347         {
 348 #ifdef DCPOMATIC_VARIANT_SWAROOP
 349                 try {
 350                         boost::filesystem::remove (Config::path("position"));
 351                 } catch (...) {
 352                         /* Never mind */
 353                 }
 354 #endif
 355
 356                 _controls->log (wxString::Format("playback-stopped %s", time.timecode(_film->video_frame_rate()).c_str()));
 357         }
 358
 359         void set_decode_reduction (optional<int> reduction)
 360         {
 361                 _viewer->set_dcp_decode_reduction (reduction);
 362                 _info->triggered_update ();
 363                 Config::instance()->set_decode_reduction (reduction);
 364         }
 365
 366         void load_dcp (boost::filesystem::path dir)
 367         {
 368                 DCPOMATIC_ASSERT (_film);
 369
 370                 reset_film ();
 371                 try {
 372                         shared_ptr<DCPContent> dcp (new DCPContent(dir));
 373                         _film->examine_and_add_content (dcp, true);
 374                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 375                         if (!ok || !report_errors_from_last_job(this)) {
 376                                 return;
 377                         }
 378 #ifndef DCPOMATIC_VARIANT_SWAROOP
 379                         Config::instance()->add_to_player_history (dir);
 380 #endif
 381                 } catch (dcp::DCPReadError& e) {
 382                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
 383                 }
 384         }
 385
 386         void reset_film_weak (weak_ptr<Film> weak_film)
 387         {
 388                 shared_ptr<Film> film = weak_film.lock ();
 389                 if (film) {
 390                         reset_film (film);
 391                 }
 392         }
 393
 394         void reset_film (shared_ptr<Film> film = shared_ptr<Film>(new Film(optional<boost::filesystem::path>())))
 395         {
 396                 _film = film;
 397                 _film->set_tolerant (true);
 398                 _film->set_audio_channels (MAX_DCP_AUDIO_CHANNELS);
 399                 _viewer->set_film (_film);
 400                 _controls->set_film (_film);
 401                 _film->Change.connect (bind(&DOMFrame::film_changed, this, _1, _2));
 402                 _info->triggered_update ();
 403         }
 404
 405         void film_changed (ChangeType type, Film::Property property)
 406         {
 407                 if (type != CHANGE_TYPE_DONE || property != Film::CONTENT) {
 408                         return;
 409                 }
 410
 411                 if (_viewer->playing ()) {
 412                         _viewer->stop ();
 413                 }
 414
 415                 /* Start off as Flat */
 416                 _film->set_container (Ratio::from_id("185"));
 417
 418                 BOOST_FOREACH (shared_ptr<Content> i, _film->content()) {
 419                         shared_ptr<DCPContent> dcp = dynamic_pointer_cast<DCPContent>(i);
 420
 421                         BOOST_FOREACH (shared_ptr<TextContent> j, i->text) {
 422                                 j->set_use (true);
 423                         }
 424
 425                         if (i->video) {
 426                                 Ratio const * r = Ratio::nearest_from_ratio(i->video->size().ratio());
 427                                 if (r->id() == "239") {
 428                                         /* Any scope content means we use scope */
 429                                         _film->set_container(r);
 430                                 }
 431                         }
 432
 433                         /* Any 3D content means we use 3D mode */
 434                         if (i->video && i->video->frame_type() != VIDEO_FRAME_TYPE_2D) {
 435                                 _film->set_three_d (true);
 436                         }
 437                 }
 438
 439                 _viewer->seek (DCPTime(), true);
 440                 _info->triggered_update ();
 441
 442                 set_menu_sensitivity ();
 443
 444                 wxMenuItemList old = _cpl_menu->GetMenuItems();
 445                 for (wxMenuItemList::iterator i = old.begin(); i != old.end(); ++i) {
 446                         _cpl_menu->Remove (*i);
 447                 }
 448
 449                 if (_film->content().size() == 1) {
 450                         /* Offer a CPL menu */
 451                         shared_ptr<DCPContent> first = dynamic_pointer_cast<DCPContent>(_film->content().front());
 452                         if (first) {
 453                                 DCPExaminer ex (first, true);
 454                                 int id = ID_view_cpl;
 455                                 BOOST_FOREACH (shared_ptr<dcp::CPL> i, ex.cpls()) {
 456                                         wxMenuItem* j = _cpl_menu->AppendRadioItem(
 457                                                 id,
 458                                                 wxString::Format("%s (%s)", std_to_wx(i->annotation_text()).data(), std_to_wx(i->id()).data())
 459                                                 );
 460                                         j->Check(!first->cpl() || i->id() == *first->cpl());
 461                                         ++id;
 462                                 }
 463                         }
 464                 }
 465         }
 466
 467 private:
 468
 469         bool report_errors_from_last_job (wxWindow* parent) const
 470         {
 471                 JobManager* jm = JobManager::instance ();
 472
 473                 DCPOMATIC_ASSERT (!jm->get().empty());
 474
 475                 shared_ptr<Job> last = jm->get().back();
 476                 if (last->finished_in_error()) {
 477                         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()));
 478                         return false;
 479                 }
 480
 481                 return true;
 482         }
 483
 484         void setup_menu (wxMenuBar* m)
 485         {
 486                 _file_menu = new wxMenu;
 487                 _file_menu->Append (ID_file_open, _("&Open...\tCtrl-O"));
 488                 _file_add_ov = _file_menu->Append (ID_file_add_ov, _("&Add OV..."));
 489                 _file_add_kdm = _file_menu->Append (ID_file_add_kdm, _("Add &KDM..."));
 490
 491                 _history_position = _file_menu->GetMenuItems().GetCount();
 492
 493                 _file_menu->AppendSeparator ();
 494                 _file_menu->Append (ID_file_close, _("&Close"));
 495                 _file_menu->AppendSeparator ();
 496
 497 #ifdef __WXOSX__
 498                 _file_menu->Append (wxID_EXIT, _("&Exit"));
 499 #else
 500                 _file_menu->Append (wxID_EXIT, _("&Quit"));
 501 #endif
 502
 503 #ifdef __WXOSX__
 504                 wxMenuItem* prefs = _file_menu->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 505 #else
 506                 wxMenu* edit = new wxMenu;
 507                 wxMenuItem* prefs = edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 508 #endif
 509
 510                 prefs->Enable (Config::instance()->have_write_permission());
 511
 512                 _cpl_menu = new wxMenu;
 513
 514                 wxMenu* view = new wxMenu;
 515                 optional<int> c = Config::instance()->decode_reduction();
 516                 _view_cpl = view->Append(ID_view_cpl, _("CPL"), _cpl_menu);
 517                 view->AppendSeparator();
 518 #ifndef DCPOMATIC_VARIANT_SWAROOP
 519                 _view_full_screen = view->AppendCheckItem(ID_view_full_screen, _("Full screen\tF11"));
 520                 _view_dual_screen = view->AppendCheckItem(ID_view_dual_screen, _("Dual screen\tShift+F11"));
 521 #endif
 522                 setup_menu ();
 523                 view->AppendSeparator();
 524                 view->Append(ID_view_closed_captions, _("Closed captions..."));
 525                 view->AppendSeparator();
 526                 view->AppendRadioItem(ID_view_scale_appropriate, _("Set decode resolution to match display"))->Check(!static_cast<bool>(c));
 527                 view->AppendRadioItem(ID_view_scale_full, _("Decode at full resolution"))->Check(c && c.get() == 0);
 528                 view->AppendRadioItem(ID_view_scale_half, _("Decode at half resolution"))->Check(c && c.get() == 1);
 529                 view->AppendRadioItem(ID_view_scale_quarter, _("Decode at quarter resolution"))->Check(c && c.get() == 2);
 530
 531                 wxMenu* tools = new wxMenu;
 532                 _tools_verify = tools->Append (ID_tools_verify, _("Verify DCP"));
 533                 tools->AppendSeparator ();
 534                 tools->Append (ID_tools_check_for_updates, _("Check for updates"));
 535                 tools->Append (ID_tools_timing, _("Timing..."));
 536                 tools->Append (ID_tools_system_information, _("System information..."));
 537
 538                 wxMenu* help = new wxMenu;
 539 #ifdef __WXOSX__
 540                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 541 #else
 542                 help->Append (wxID_ABOUT, _("About"));
 543 #endif
 544                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
 545
 546                 m->Append (_file_menu, _("&File"));
 547 #ifndef __WXOSX__
 548                 m->Append (edit, _("&Edit"));
 549 #endif
 550                 m->Append (view, _("&View"));
 551                 m->Append (tools, _("&Tools"));
 552                 m->Append (help, _("&Help"));
 553         }
 554
 555         void file_open ()
 556         {
 557                 wxString d = wxStandardPaths::Get().GetDocumentsDir();
 558                 if (Config::instance()->last_player_load_directory()) {
 559                         d = std_to_wx (Config::instance()->last_player_load_directory()->string());
 560                 }
 561
 562                 wxDirDialog* c = new wxDirDialog (this, _("Select DCP to open"), d, wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST);
 563
 564                 int r;
 565                 while (true) {
 566                         r = c->ShowModal ();
 567                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 568                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 569                         } else {
 570                                 break;
 571                         }
 572                 }
 573
 574                 if (r == wxID_OK) {
 575                         boost::filesystem::path const dcp (wx_to_std (c->GetPath ()));
 576                         load_dcp (dcp);
 577                         Config::instance()->set_last_player_load_directory (dcp.parent_path());
 578                 }
 579
 580                 c->Destroy ();
 581         }
 582
 583         void file_add_ov ()
 584         {
 585                 wxDirDialog* c = new wxDirDialog (
 586                         this,
 587                         _("Select DCP to open as OV"),
 588                         wxStandardPaths::Get().GetDocumentsDir(),
 589                         wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST
 590                         );
 591
 592                 int r;
 593                 while (true) {
 594                         r = c->ShowModal ();
 595                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 596                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 597                         } else {
 598                                 break;
 599                         }
 600                 }
 601
 602                 if (r == wxID_OK) {
 603                         DCPOMATIC_ASSERT (_film);
 604                         shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
 605                         DCPOMATIC_ASSERT (dcp);
 606                         dcp->add_ov (wx_to_std(c->GetPath()));
 607                         JobManager::instance()->add(shared_ptr<Job>(new ExamineContentJob (_film, dcp)));
 608                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
 609                         if (!ok || !report_errors_from_last_job(this)) {
 610                                 return;
 611                         }
 612                         BOOST_FOREACH (shared_ptr<TextContent> i, dcp->text) {
 613                                 i->set_use (true);
 614                         }
 615                         if (dcp->video) {
 616                                 Ratio const * r = Ratio::nearest_from_ratio(dcp->video->size().ratio());
 617                                 if (r) {
 618                                         _film->set_container(r);
 619                                 }
 620                         }
 621                 }
 622
 623                 c->Destroy ();
 624                 _info->triggered_update ();
 625         }
 626
 627         void file_add_kdm ()
 628         {
 629                 wxFileDialog* d = new wxFileDialog (this, _("Select KDM"));
 630
 631                 if (d->ShowModal() == wxID_OK) {
 632                         DCPOMATIC_ASSERT (_film);
 633 #ifdef DCPOMATIC_VARIANT_SWAROOP
 634                         shared_ptr<FFmpegContent> ffmpeg = boost::dynamic_pointer_cast<FFmpegContent>(_film->content().front());
 635                         if (ffmpeg) {
 636                                 try {
 637                                         ffmpeg->add_kdm (EncryptedECinemaKDM(dcp::file_to_string(wx_to_std(d->GetPath()), MAX_KDM_SIZE)));
 638                                 } catch (exception& e) {
 639                                         error_dialog (this, wxString::Format(_("Could not load KDM.")), std_to_wx(e.what()));
 640                                         d->Destroy();
 641                                         return;
 642                                 }
 643                         }
 644 #endif
 645                         shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
 646 #ifndef DCPOMATIC_VARIANT_SWAROOP
 647                         DCPOMATIC_ASSERT (dcp);
 648 #endif
 649                         try {
 650                                 if (dcp) {
 651                                         dcp->add_kdm (dcp::EncryptedKDM(dcp::file_to_string(wx_to_std(d->GetPath()), MAX_KDM_SIZE)));
 652                                         dcp->examine (_film, shared_ptr<Job>());
 653                                 }
 654                         } catch (exception& e) {
 655                                 error_dialog (this, wxString::Format (_("Could not load KDM.")), std_to_wx(e.what()));
 656                                 d->Destroy ();
 657                                 return;
 658                         }
 659                 }
 660
 661                 d->Destroy ();
 662                 _info->triggered_update ();
 663         }
 664
 665         void file_history (wxCommandEvent& event)
 666         {
 667                 vector<boost::filesystem::path> history = Config::instance()->player_history ();
 668                 int n = event.GetId() - ID_file_history;
 669                 if (n >= 0 && n < static_cast<int> (history.size ())) {
 670                         try {
 671                                 load_dcp (history[n]);
 672                         } catch (exception& e) {
 673                                 error_dialog (0, std_to_wx(String::compose(wx_to_std(_("Could not load DCP %1.")), history[n])), std_to_wx(e.what()));
 674                         }
 675                 }
 676         }
 677
 678         void file_close ()
 679         {
 680                 reset_film ();
 681                 _info->triggered_update ();
 682                 set_menu_sensitivity ();
 683         }
 684
 685         void file_exit ()
 686         {
 687                 Close ();
 688         }
 689
 690         void edit_preferences ()
 691         {
 692                 if (!Config::instance()->have_write_permission()) {
 693                         return;
 694                 }
 695
 696                 if (!_config_dialog) {
 697                         _config_dialog = create_player_config_dialog ();
 698                 }
 699                 _config_dialog->Show (this);
 700         }
 701
 702         void view_cpl (wxCommandEvent& ev)
 703         {
 704                 shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
 705                 DCPOMATIC_ASSERT (dcp);
 706                 DCPExaminer ex (dcp, true);
 707                 int id = ev.GetId() - ID_view_cpl;
 708                 DCPOMATIC_ASSERT (id >= 0);
 709                 DCPOMATIC_ASSERT (id < int(ex.cpls().size()));
 710                 list<shared_ptr<dcp::CPL> > cpls = ex.cpls();
 711                 list<shared_ptr<dcp::CPL> >::iterator i = cpls.begin();
 712                 while (id > 0) {
 713                         ++i;
 714                         --id;
 715                 }
 716
 717                 dcp->set_cpl ((*i)->id());
 718                 dcp->examine (_film, shared_ptr<Job>());
 719         }
 720
 721         void view_full_screen ()
 722         {
 723                 if (_mode == Config::PLAYER_MODE_FULL) {
 724                         _mode = Config::PLAYER_MODE_WINDOW;
 725                 } else {
 726                         _mode = Config::PLAYER_MODE_FULL;
 727                 }
 728                 setup_screen ();
 729                 setup_menu ();
 730         }
 731
 732         void view_dual_screen ()
 733         {
 734                 if (_mode == Config::PLAYER_MODE_DUAL) {
 735                         _mode = Config::PLAYER_MODE_WINDOW;
 736                 } else {
 737                         _mode = Config::PLAYER_MODE_DUAL;
 738                 }
 739                 setup_screen ();
 740                 setup_menu ();
 741         }
 742
 743         void setup_menu ()
 744         {
 745                 if (_view_full_screen) {
 746                         _view_full_screen->Check (_mode == Config::PLAYER_MODE_FULL);
 747                 }
 748                 if (_view_dual_screen) {
 749                         _view_dual_screen->Check (_mode == Config::PLAYER_MODE_DUAL);
 750                 }
 751         }
 752
 753         void setup_screen ()
 754         {
 755                 _controls->Show (_mode != Config::PLAYER_MODE_FULL);
 756                 _info->Show (_mode != Config::PLAYER_MODE_FULL);
 757                 _overall_panel->SetBackgroundColour (_mode == Config::PLAYER_MODE_FULL ? wxColour(0, 0, 0) : wxNullColour);
 758                 ShowFullScreen (_mode == Config::PLAYER_MODE_FULL);
 759                 _viewer->set_pad_black (_mode != Config::PLAYER_MODE_WINDOW);
 760
 761                 if (_mode == Config::PLAYER_MODE_DUAL) {
 762                         _dual_screen = new wxFrame (this, wxID_ANY, wxT(""));
 763                         _dual_screen->SetBackgroundColour (wxColour(0, 0, 0));
 764                         _dual_screen->ShowFullScreen (true);
 765                         _viewer->panel()->Reparent (_dual_screen);
 766                         _dual_screen->Show ();
 767                         if (wxDisplay::GetCount() > 1) {
 768                                 switch (Config::instance()->image_display()) {
 769                                 case 0:
 770                                         _dual_screen->Move (0, 0);
 771                                         Move (wxDisplay(0).GetClientArea().GetWidth(), 0);
 772                                         break;
 773                                 case 1:
 774                                         _dual_screen->Move (wxDisplay(0).GetClientArea().GetWidth(), 0);
 775                                         // (0, 0) doesn't seem to work for some strange reason
 776                                         Move (8, 8);
 777                                         break;
 778                                 }
 779                         }
 780                 } else {
 781                         if (_dual_screen) {
 782                                 _viewer->panel()->Reparent (_overall_panel);
 783                                 _dual_screen->Destroy ();
 784                                 _dual_screen = 0;
 785                         }
 786                 }
 787
 788                 setup_main_sizer (_mode);
 789         }
 790
 791         void view_closed_captions ()
 792         {
 793                 _viewer->show_closed_captions ();
 794         }
 795
 796         void tools_verify ()
 797         {
 798                 shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
 799                 DCPOMATIC_ASSERT (dcp);
 800
 801                 JobManager* jm = JobManager::instance ();
 802                 jm->add (shared_ptr<Job> (new VerifyDCPJob (dcp->directories())));
 803                 bool const ok = display_progress (_("DCP-o-matic Player"), _("Verifying DCP"));
 804                 if (!ok) {
 805                         return;
 806                 }
 807
 808                 DCPOMATIC_ASSERT (!jm->get().empty());
 809                 shared_ptr<VerifyDCPJob> last = dynamic_pointer_cast<VerifyDCPJob> (jm->get().back());
 810                 DCPOMATIC_ASSERT (last);
 811
 812                 VerifyDCPDialog* d = new VerifyDCPDialog (this, last);
 813                 d->ShowModal ();
 814                 d->Destroy ();
 815         }
 816
 817         void tools_check_for_updates ()
 818         {
 819                 UpdateChecker::instance()->run ();
 820                 _update_news_requested = true;
 821         }
 822
 823         void tools_timing ()
 824         {
 825                 TimerDisplay* d = new TimerDisplay (this, _viewer->state_timer(), _viewer->gets());
 826                 d->ShowModal ();
 827                 d->Destroy ();
 828         }
 829
 830         void tools_system_information ()
 831         {
 832                 if (!_system_information_dialog) {
 833                         _system_information_dialog = new SystemInformationDialog (this, _viewer);
 834                 }
 835
 836                 _system_information_dialog->Show ();
 837         }
 838
 839         void help_about ()
 840         {
 841                 AboutDialog* d = new AboutDialog (this);
 842                 d->ShowModal ();
 843                 d->Destroy ();
 844         }
 845
 846         void help_report_a_problem ()
 847         {
 848                 ReportProblemDialog* d = new ReportProblemDialog (this);
 849                 if (d->ShowModal () == wxID_OK) {
 850                         d->report ();
 851                 }
 852                 d->Destroy ();
 853         }
 854
 855         void update_checker_state_changed ()
 856         {
 857                 UpdateChecker* uc = UpdateChecker::instance ();
 858
 859                 bool const announce =
 860                         _update_news_requested ||
 861                         (uc->stable() && Config::instance()->check_for_updates()) ||
 862                         (uc->test() && Config::instance()->check_for_updates() && Config::instance()->check_for_test_updates());
 863
 864                 _update_news_requested = false;
 865
 866                 if (!announce) {
 867                         return;
 868                 }
 869
 870                 if (uc->state() == UpdateChecker::YES) {
 871                         UpdateDialog* dialog = new UpdateDialog (this, uc->stable (), uc->test ());
 872                         dialog->ShowModal ();
 873                         dialog->Destroy ();
 874                 } else if (uc->state() == UpdateChecker::FAILED) {
 875                         error_dialog (this, _("The DCP-o-matic download server could not be contacted."));
 876                 } else {
 877                         error_dialog (this, _("There are no new versions of DCP-o-matic available."));
 878                 }
 879
 880                 _update_news_requested = false;
 881         }
 882
 883         void config_changed (Config::Property prop)
 884         {
 885                 /* Instantly save any config changes when using the player GUI */
 886                 try {
 887                         Config::instance()->write_config();
 888                 } catch (FileError& e) {
 889                         if (prop != Config::HISTORY) {
 890                                 error_dialog (
 891                                         this,
 892                                         wxString::Format(
 893                                                 _("Could not write to config file at %s.  Your changes have not been saved."),
 894                                                 std_to_wx(e.file().string())
 895                                                 )
 896                                         );
 897                         }
 898                 } catch (exception& e) {
 899                         error_dialog (
 900                                 this,
 901                                 _("Could not write to config file.  Your changes have not been saved.")
 902                                 );
 903                 }
 904
 905                 update_from_config (prop);
 906         }
 907
 908         void update_from_config (Config::Property prop)
 909         {
 910                 for (int i = 0; i < _history_items; ++i) {
 911                         delete _file_menu->Remove (ID_file_history + i);
 912                 }
 913
 914                 if (_history_separator) {
 915                         _file_menu->Remove (_history_separator);
 916                 }
 917                 delete _history_separator;
 918                 _history_separator = 0;
 919
 920                 int pos = _history_position;
 921
 922                 /* Clear out non-existant history items before we re-build the menu */
 923                 Config::instance()->clean_player_history ();
 924                 vector<boost::filesystem::path> history = Config::instance()->player_history ();
 925
 926                 if (!history.empty ()) {
 927                         _history_separator = _file_menu->InsertSeparator (pos++);
 928                 }
 929
 930                 for (size_t i = 0; i < history.size(); ++i) {
 931                         string s;
 932                         if (i < 9) {
 933                                 s = String::compose ("&%1 %2", i + 1, history[i].string());
 934                         } else {
 935                                 s = history[i].string();
 936                         }
 937                         _file_menu->Insert (pos++, ID_file_history + i, std_to_wx (s));
 938                 }
 939
 940                 _history_items = history.size ();
 941
 942                 if (prop == Config::PLAYER_DEBUG_LOG) {
 943                         optional<boost::filesystem::path> p = Config::instance()->player_debug_log_file();
 944                         if (p) {
 945                                 dcpomatic_log.reset (new FileLog(*p));
 946                         } else {
 947                                 dcpomatic_log.reset (new NullLog());
 948                         }
 949                         dcpomatic_log->set_types (LogEntry::TYPE_GENERAL | LogEntry::TYPE_WARNING | LogEntry::TYPE_ERROR | LogEntry::TYPE_DEBUG_PLAYER);
 950                 }
 951         }
 952
 953         void set_menu_sensitivity ()
 954         {
 955                 _tools_verify->Enable (static_cast<bool>(_film));
 956                 _file_add_ov->Enable (static_cast<bool>(_film));
 957                 _file_add_kdm->Enable (static_cast<bool>(_film));
 958                 _view_cpl->Enable (static_cast<bool>(_film));
 959         }
 960
 961         void start_stop_pressed ()
 962         {
 963                 if (_viewer->playing()) {
 964                         _viewer->stop();
 965                 } else {
 966                         _viewer->start();
 967                 }
 968         }
 969
 970         void back_frame ()
 971         {
 972                 _viewer->seek_by (-_viewer->one_video_frame(), true);
 973         }
 974
 975         void forward_frame ()
 976         {
 977                 _viewer->seek_by (_viewer->one_video_frame(), true);
 978         }
 979
 980 private:
 981
 982         wxFrame* _dual_screen;
 983         bool _update_news_requested;
 984         PlayerInformation* _info;
 985         Config::PlayerMode _mode;
 986         wxPreferencesEditor* _config_dialog;
 987         wxPanel* _overall_panel;
 988         wxMenu* _file_menu;
 989         wxMenuItem* _view_cpl;
 990         wxMenu* _cpl_menu;
 991         int _history_items;
 992         int _history_position;
 993         wxMenuItem* _history_separator;
 994         shared_ptr<FilmViewer> _viewer;
 995         Controls* _controls;
 996         SystemInformationDialog* _system_information_dialog;
 997         boost::shared_ptr<Film> _film;
 998         boost::signals2::scoped_connection _config_changed_connection;
 999         wxMenuItem* _file_add_ov;
1000         wxMenuItem* _file_add_kdm;
1001         wxMenuItem* _tools_verify;
1002         wxMenuItem* _view_full_screen;
1003         wxMenuItem* _view_dual_screen;
1004 };
1005
1006 static const wxCmdLineEntryDesc command_line_description[] = {
1007         { wxCMD_LINE_PARAM, 0, 0, "DCP to load or create", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1008         { wxCMD_LINE_OPTION, "c", "config", "Directory containing config.xml", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1009         { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
1010 };
1011
1012 class PlayServer : public Server
1013 {
1014 public:
1015         explicit PlayServer (DOMFrame* frame)
1016                 : Server (PLAYER_PLAY_PORT)
1017                 , _frame (frame)
1018         {}
1019
1020         void handle (shared_ptr<Socket> socket)
1021         {
1022                 try {
1023                         int const length = socket->read_uint32 ();
1024                         scoped_array<char> buffer (new char[length]);
1025                         socket->read (reinterpret_cast<uint8_t*> (buffer.get()), length);
1026                         string s (buffer.get());
1027                         signal_manager->when_idle (bind (&DOMFrame::load_dcp, _frame, s));
1028                         socket->write (reinterpret_cast<uint8_t const *> ("OK"), 3);
1029                 } catch (...) {
1030
1031                 }
1032         }
1033
1034 private:
1035         DOMFrame* _frame;
1036 };
1037
1038 /** @class App
1039  *  @brief The magic App class for wxWidgets.
1040  */
1041 class App : public wxApp
1042 {
1043 public:
1044         App ()
1045                 : wxApp ()
1046                 , _frame (0)
1047         {}
1048
1049 private:
1050
1051         bool OnInit ()
1052         {
1053                 wxSplashScreen* splash = 0;
1054                 try {
1055                         wxInitAllImageHandlers ();
1056
1057                         Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
1058                         Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
1059
1060                         splash = maybe_show_splash ();
1061
1062                         SetAppName (_("DCP-o-matic Player"));
1063
1064                         if (!wxApp::OnInit()) {
1065                                 return false;
1066                         }
1067
1068 #ifdef DCPOMATIC_LINUX
1069                         unsetenv ("UBUNTU_MENUPROXY");
1070 #endif
1071
1072 #ifdef __WXOSX__
1073                         ProcessSerialNumber serial;
1074                         GetCurrentProcess (&serial);
1075                         TransformProcessType (&serial, kProcessTransformToForegroundApplication);
1076 #endif
1077
1078                         dcpomatic_setup_path_encoding ();
1079
1080                         /* Enable i18n; this will create a Config object
1081                            to look for a force-configured language.  This Config
1082                            object will be wrong, however, because dcpomatic_setup
1083                            hasn't yet been called and there aren't any filters etc.
1084                            set up yet.
1085                         */
1086                         dcpomatic_setup_i18n ();
1087
1088                         /* Set things up, including filters etc.
1089                            which will now be internationalised correctly.
1090                         */
1091                         dcpomatic_setup ();
1092
1093                         /* Force the configuration to be re-loaded correctly next
1094                            time it is needed.
1095                         */
1096                         Config::drop ();
1097
1098                         signal_manager = new wxSignalManager (this);
1099
1100                         _frame = new DOMFrame ();
1101                         SetTopWindow (_frame);
1102                         _frame->Maximize ();
1103                         if (splash) {
1104                                 splash->Destroy ();
1105                                 splash = 0;
1106                         }
1107                         _frame->Show ();
1108
1109                         PlayServer* server = new PlayServer (_frame);
1110                         new thread (boost::bind (&PlayServer::run, server));
1111
1112                         if (!_dcp_to_load.empty() && boost::filesystem::is_directory (_dcp_to_load)) {
1113                                 try {
1114                                         _frame->load_dcp (_dcp_to_load);
1115                                 } catch (exception& e) {
1116                                         error_dialog (0, std_to_wx (String::compose (wx_to_std (_("Could not load DCP %1.")), _dcp_to_load)), std_to_wx(e.what()));
1117                                 }
1118                         }
1119
1120                         Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
1121
1122                         if (Config::instance()->check_for_updates ()) {
1123                                 UpdateChecker::instance()->run ();
1124                         }
1125                 }
1126                 catch (exception& e)
1127                 {
1128                         if (splash) {
1129                                 splash->Destroy ();
1130                         }
1131                         error_dialog (0, _("DCP-o-matic Player could not start."), std_to_wx(e.what()));
1132                 }
1133
1134                 return true;
1135         }
1136
1137         void OnInitCmdLine (wxCmdLineParser& parser)
1138         {
1139                 parser.SetDesc (command_line_description);
1140                 parser.SetSwitchChars (wxT ("-"));
1141         }
1142
1143         bool OnCmdLineParsed (wxCmdLineParser& parser)
1144         {
1145                 if (parser.GetParamCount() > 0) {
1146                         _dcp_to_load = wx_to_std (parser.GetParam (0));
1147                 }
1148
1149                 wxString config;
1150                 if (parser.Found("c", &config)) {
1151                         Config::override_path = wx_to_std (config);
1152                 }
1153
1154                 return true;
1155         }
1156
1157         void report_exception ()
1158         {
1159                 try {
1160                         throw;
1161                 } catch (FileError& e) {
1162                         error_dialog (
1163                                 0,
1164                                 wxString::Format (
1165                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
1166                                         std_to_wx (e.what()),
1167                                         std_to_wx (e.file().string().c_str ())
1168                                         )
1169                                 );
1170                 } catch (exception& e) {
1171                         error_dialog (
1172                                 0,
1173                                 wxString::Format (
1174                                         _("An exception occurred: %s.\n\n") + REPORT_PROBLEM,
1175                                         std_to_wx (e.what ())
1176                                         )
1177                                 );
1178                 } catch (...) {
1179                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
1180                 }
1181         }
1182
1183         /* An unhandled exception has occurred inside the main event loop */
1184         bool OnExceptionInMainLoop ()
1185         {
1186                 report_exception ();
1187                 /* This will terminate the program */
1188                 return false;
1189         }
1190
1191         void OnUnhandledException ()
1192         {
1193                 report_exception ();
1194         }
1195
1196         void idle ()
1197         {
1198                 signal_manager->ui_idle ();
1199         }
1200
1201         void config_failed_to_load ()
1202         {
1203                 message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
1204         }
1205
1206         void config_warning (string m)
1207         {
1208                 message_dialog (_frame, std_to_wx (m));
1209         }
1210
1211         DOMFrame* _frame;
1212         string _dcp_to_load;
1213 };
1214
1215 IMPLEMENT_APP (App)