e409b97311be1fa5c78a5952d6d5a20c51a2102b
[dcpomatic.git] / 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/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/playlist_controls.h"
32 #include "wx/timer_display.h"
33 #include "wx/system_information_dialog.h"
34 #include "wx/player_stress_tester.h"
35 #include "wx/verify_dcp_progress_dialog.h"
36 #include "wx/nag_dialog.h"
37 #include "lib/cross.h"
38 #include "lib/config.h"
39 #include "lib/util.h"
40 #include "lib/internet.h"
41 #include "lib/update_checker.h"
42 #include "lib/compose.hpp"
43 #include "lib/dcp_content.h"
44 #include "lib/job_manager.h"
45 #include "lib/job.h"
46 #include "lib/film.h"
47 #include "lib/null_log.h"
48 #include "lib/video_content.h"
49 #include "lib/text_content.h"
50 #include "lib/ratio.h"
51 #include "lib/verify_dcp_job.h"
52 #include "lib/dcp_examiner.h"
53 #include "lib/examine_content_job.h"
54 #include "lib/server.h"
55 #include "lib/dcpomatic_socket.h"
56 #include "lib/scoped_temporary.h"
57 #include "lib/ffmpeg_content.h"
58 #include "lib/dcpomatic_log.h"
59 #include "lib/file_log.h"
60 #include <dcp/cpl.h>
61 #include <dcp/dcp.h>
62 #include <dcp/raw_convert.h>
63 #include <dcp/exceptions.h>
64 #include <wx/wx.h>
65 #include <wx/stdpaths.h>
66 #include <wx/splash.h>
67 #include <wx/cmdline.h>
68 #include <wx/preferences.h>
69 #include <wx/progdlg.h>
70 #include <wx/display.h>
71 #ifdef __WXGTK__
72 #include <X11/Xlib.h>
73 #endif
74 #include <boost/bind/bind.hpp>
75 #include <boost/algorithm/string.hpp>
76 #include <iostream>
77
78 #ifdef check
79 #undef check
80 #endif
81
82 #define MAX_CPLS 32
83
84 using std::cout;
85 using std::dynamic_pointer_cast;
86 using std::exception;
87 using std::list;
88 using std::make_shared;
89 using std::shared_ptr;
90 using std::string;
91 using std::vector;
92 using std::weak_ptr;
93 using boost::scoped_array;
94 using boost::optional;
95 using boost::thread;
96 using boost::bind;
97 #if BOOST_VERSION >= 106100
98 using namespace boost::placeholders;
99 #endif
100 using dcp::raw_convert;
101 using namespace dcpomatic;
102
103 enum {
104         ID_file_open = 1,
105         ID_file_add_ov,
106         ID_file_add_kdm,
107         ID_file_history,
108         /* Allow spare IDs after _history for the recent files list */
109         ID_file_close = 100,
110         ID_view_cpl,
111         /* Allow spare IDs for CPLs */
112         ID_view_full_screen = 200,
113         ID_view_dual_screen,
114         ID_view_closed_captions,
115         ID_view_scale_appropriate,
116         ID_view_scale_full,
117         ID_view_scale_half,
118         ID_view_scale_quarter,
119         ID_help_report_a_problem,
120         ID_tools_verify,
121         ID_tools_check_for_updates,
122         ID_tools_timing,
123         ID_tools_system_information,
124         /* IDs for shortcuts (with no associated menu item) */
125         ID_start_stop,
126         ID_go_back_frame,
127         ID_go_forward_frame,
128         ID_go_back_small_amount,
129         ID_go_forward_small_amount,
130         ID_go_back_medium_amount,
131         ID_go_forward_medium_amount,
132         ID_go_back_large_amount,
133         ID_go_forward_large_amount,
134         ID_go_to_start,
135         ID_go_to_end
136 };
137
138 class DOMFrame : public wxFrame
139 {
140 public:
141         DOMFrame ()
142                 : wxFrame (nullptr, -1, _("DCP-o-matic Player"))
143                 , _mode (Config::instance()->player_mode())
144                 , _main_sizer (new wxBoxSizer(wxVERTICAL))
145         {
146                 dcpomatic_log = make_shared<NullLog>();
147
148 #if defined(DCPOMATIC_WINDOWS)
149                 maybe_open_console ();
150                 cout << "DCP-o-matic Player is starting." << "\n";
151 #endif
152
153                 auto bar = new wxMenuBar;
154                 setup_menu (bar);
155                 set_menu_sensitivity ();
156                 SetMenuBar (bar);
157
158 #ifdef DCPOMATIC_WINDOWS
159                 SetIcon (wxIcon (std_to_wx ("id")));
160 #endif
161
162                 _config_changed_connection = Config::instance()->Changed.connect (boost::bind (&DOMFrame::config_changed, this, _1));
163                 update_from_config (Config::PLAYER_DEBUG_LOG);
164
165                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_open, this), ID_file_open);
166                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_ov, this), ID_file_add_ov);
167                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_kdm, this), ID_file_add_kdm);
168                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_history, this, _1), ID_file_history, ID_file_history + HISTORY_SIZE);
169                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_close, this), ID_file_close);
170                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this), wxID_EXIT);
171                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this), wxID_PREFERENCES);
172                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_full_screen, this), ID_view_full_screen);
173                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_dual_screen, this), ID_view_dual_screen);
174                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_closed_captions, this), ID_view_closed_captions);
175                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_cpl, this, _1), ID_view_cpl, ID_view_cpl + MAX_CPLS);
176                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(0)), ID_view_scale_full);
177                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(1)), ID_view_scale_half);
178                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(2)), ID_view_scale_quarter);
179                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this), wxID_ABOUT);
180                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this), ID_help_report_a_problem);
181                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_verify, this), ID_tools_verify);
182                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_check_for_updates, this), ID_tools_check_for_updates);
183                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_timing, this), ID_tools_timing);
184                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_system_information, this), ID_tools_system_information);
185
186                 /* Use a panel as the only child of the Frame so that we avoid
187                    the dark-grey background on Windows.
188                 */
189                 _overall_panel = new wxPanel (this, wxID_ANY);
190
191                 _viewer = make_shared<FilmViewer>(_overall_panel);
192                 if (Config::instance()->player_mode() == Config::PLAYER_MODE_DUAL) {
193                         auto pc = new PlaylistControls (_overall_panel, _viewer);
194                         _controls = pc;
195                         pc->ResetFilm.connect (bind(&DOMFrame::reset_film_weak, this, _1));
196                 } else {
197                         _controls = new StandardControls (_overall_panel, _viewer, false);
198                 }
199                 _viewer->set_dcp_decode_reduction (Config::instance()->decode_reduction ());
200                 _viewer->set_optimise_for_j2k (true);
201                 _viewer->PlaybackPermitted.connect (bind(&DOMFrame::playback_permitted, this));
202                 _viewer->Started.connect (bind(&DOMFrame::playback_started, this, _1));
203                 _viewer->Stopped.connect (bind(&DOMFrame::playback_stopped, this, _1));
204                 _viewer->TooManyDropped.connect (bind(&DOMFrame::too_many_frames_dropped, this));
205                 _info = new PlayerInformation (_overall_panel, _viewer);
206                 setup_main_sizer (Config::instance()->player_mode());
207 #ifdef __WXOSX__
208                 int accelerators = 12;
209 #else
210                 int accelerators = 11;
211 #endif
212
213                 _stress.setup (this, _controls);
214
215                 wxAcceleratorEntry* accel = new wxAcceleratorEntry[accelerators];
216                 accel[0].Set(wxACCEL_NORMAL,                WXK_SPACE, ID_start_stop);
217                 accel[1].Set(wxACCEL_NORMAL,                WXK_LEFT,  ID_go_back_frame);
218                 accel[2].Set(wxACCEL_NORMAL,                WXK_RIGHT, ID_go_forward_frame);
219                 accel[3].Set(wxACCEL_SHIFT,                 WXK_LEFT,  ID_go_back_small_amount);
220                 accel[4].Set(wxACCEL_SHIFT,                 WXK_RIGHT, ID_go_forward_small_amount);
221                 accel[5].Set(wxACCEL_CTRL,                  WXK_LEFT,  ID_go_back_medium_amount);
222                 accel[6].Set(wxACCEL_CTRL,                  WXK_RIGHT, ID_go_forward_medium_amount);
223                 accel[7].Set(wxACCEL_SHIFT | wxACCEL_CTRL,  WXK_LEFT,  ID_go_back_large_amount);
224                 accel[8].Set(wxACCEL_SHIFT | wxACCEL_CTRL,  WXK_RIGHT, ID_go_forward_large_amount);
225                 accel[9].Set(wxACCEL_NORMAL,                WXK_HOME,  ID_go_to_start);
226                 accel[10].Set(wxACCEL_NORMAL,               WXK_END,   ID_go_to_end);
227 #ifdef __WXOSX__
228                 accel[11].Set(wxACCEL_CTRL, static_cast<int>('W'), ID_file_close);
229 #endif
230                 wxAcceleratorTable accel_table (accelerators, accel);
231                 SetAcceleratorTable (accel_table);
232                 delete[] accel;
233
234                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::start_stop_pressed, this), ID_start_stop);
235                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_back_frame, this),      ID_go_back_frame);
236                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_forward_frame, this),   ID_go_forward_frame);
237                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   -60), ID_go_back_small_amount);
238                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,    60), ID_go_forward_small_amount);
239                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  -600), ID_go_back_medium_amount);
240                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   600), ID_go_forward_medium_amount);
241                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this, -3600), ID_go_back_large_amount);
242                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  3600), ID_go_forward_large_amount);
243                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_start, this), ID_go_to_start);
244                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_end,   this), ID_go_to_end);
245
246                 reset_film ();
247
248                 UpdateChecker::instance()->StateChanged.connect (boost::bind(&DOMFrame::update_checker_state_changed, this));
249                 setup_screen ();
250
251                 _stress.LoadDCP.connect (boost::bind(&DOMFrame::load_dcp, this, _1));
252         }
253
254         ~DOMFrame ()
255         {
256                 /* It's important that this is stopped before our frame starts destroying its children,
257                  * otherwise UI elements that it depends on will disappear from under it.
258                  */
259                 _viewer.reset ();
260         }
261
262         void setup_main_sizer (Config::PlayerMode mode)
263         {
264                 _main_sizer->Detach (_viewer->panel());
265                 _main_sizer->Detach (_controls);
266                 _main_sizer->Detach (_info);
267                 if (mode != Config::PLAYER_MODE_DUAL) {
268                         _main_sizer->Add (_viewer->panel(), 1, wxEXPAND);
269                 }
270                 _main_sizer->Add (_controls, mode == Config::PLAYER_MODE_DUAL ? 1 : 0, wxEXPAND | wxALL, 6);
271                 _main_sizer->Add (_info, 0, wxEXPAND | wxALL, 6);
272                 _overall_panel->SetSizer (_main_sizer);
273                 _overall_panel->Layout ();
274         }
275
276         bool playback_permitted ()
277         {
278                 if (!_film || !Config::instance()->respect_kdm_validity_periods()) {
279                         return true;
280                 }
281
282                 bool ok = true;
283                 for (auto i: _film->content()) {
284                         auto d = dynamic_pointer_cast<DCPContent>(i);
285                         if (d && !d->kdm_timing_window_valid()) {
286                                 ok = false;
287                         }
288                 }
289
290                 if (!ok) {
291                         error_dialog (this, _("The KDM does not allow playback of this content at this time."));
292                 }
293
294                 return ok;
295         }
296
297         void playback_started (DCPTime time)
298         {
299                 /* XXX: this only logs the first piece of content; probably should be each piece? */
300                 if (_film->content().empty()) {
301                         return;
302                 }
303
304                 auto dcp = dynamic_pointer_cast<DCPContent>(_film->content().front());
305                 if (dcp) {
306                         DCPExaminer ex (dcp, true);
307                         shared_ptr<dcp::CPL> playing_cpl;
308                         for (auto i: ex.cpls()) {
309                                 if (!dcp->cpl() || i->id() == *dcp->cpl()) {
310                                         playing_cpl = i;
311                                 }
312                         }
313                         DCPOMATIC_ASSERT (playing_cpl);
314
315                         _controls->log (
316                                 wxString::Format(
317                                         "playback-started %s %s %s",
318                                         time.timecode(_film->video_frame_rate()).c_str(),
319                                         dcp->directories().front().string().c_str(),
320                                         playing_cpl->annotation_text().get_value_or("").c_str()
321                                         )
322                                 );
323                 }
324
325                 auto ffmpeg = dynamic_pointer_cast<FFmpegContent>(_film->content().front());
326                 if (ffmpeg) {
327                         _controls->log (
328                                 wxString::Format(
329                                         "playback-started %s %s",
330                                         time.timecode(_film->video_frame_rate()).c_str(),
331                                         ffmpeg->path(0).string().c_str()
332                                         )
333                                 );
334                 }
335         }
336
337         void playback_stopped (DCPTime time)
338         {
339                 _controls->log (wxString::Format("playback-stopped %s", time.timecode(_film->video_frame_rate()).c_str()));
340         }
341
342
343         void too_many_frames_dropped ()
344         {
345                 if (!Config::instance()->nagged(Config::NAG_TOO_MANY_DROPPED_FRAMES)) {
346                         _viewer->stop ();
347                 }
348
349                 NagDialog::maybe_nag (
350                         this,
351                         Config::NAG_TOO_MANY_DROPPED_FRAMES,
352                         _(wxS("The player is dropping a lot of frames, so playback may not be accurate.\n\n"
353                           "<b>This does not necessarily mean that the DCP you are playing is defective!</b>\n\n"
354                           "You may be able to improve player performance by:\n"
355                           "• choosing 'decode at half resolution' or 'decode at quarter resolution' from the View menu\n"
356                           "• using a more powerful computer.\n"
357                          ))
358                         );
359         }
360
361         void set_decode_reduction (optional<int> reduction)
362         {
363                 _viewer->set_dcp_decode_reduction (reduction);
364                 _info->triggered_update ();
365                 Config::instance()->set_decode_reduction (reduction);
366         }
367
368         void load_dcp (boost::filesystem::path dir)
369         {
370                 DCPOMATIC_ASSERT (_film);
371
372                 reset_film ();
373                 try {
374                         _stress.set_suspended (true);
375                         // here
376                         auto dcp = make_shared<DCPContent>(dir);
377                         auto job = make_shared<ExamineContentJob>(_film, dcp);
378                         _examine_job_connection = job->Finished.connect(bind(&DOMFrame::add_dcp_to_film, this, weak_ptr<Job>(job), weak_ptr<Content>(dcp)));
379                         JobManager::instance()->add (job);
380                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
381                         if (!ok || !report_errors_from_last_job(this)) {
382                                 return;
383                         }
384                         Config::instance()->add_to_player_history (dir);
385                 } catch (ProjectFolderError &) {
386                         error_dialog (
387                                 this,
388                                 wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())),
389                                 _(
390                                         "This looks like a DCP-o-matic project folder, which cannot be loaded into the player.  "
391                                         "Choose the DCP directory inside the DCP-o-matic project folder if that's what you want to play."
392                                  )
393                                 );
394                 } catch (dcp::ReadError& e) {
395                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
396                 } catch (DCPError& e) {
397                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
398                 }
399         }
400
401         void add_dcp_to_film (weak_ptr<Job> weak_job, weak_ptr<Content> weak_content)
402         {
403                 auto job = weak_job.lock ();
404                 if (!job || !job->finished_ok()) {
405                         return;
406                 }
407
408                 auto content = weak_content.lock ();
409                 if (!content) {
410                         return;
411                 }
412
413                 _film->add_content (content);
414                 _stress.set_suspended (false);
415         }
416
417         void reset_film_weak (weak_ptr<Film> weak_film)
418         {
419                 auto film = weak_film.lock ();
420                 if (film) {
421                         reset_film (film);
422                 }
423         }
424
425         void reset_film (shared_ptr<Film> film = shared_ptr<Film>(new Film(optional<boost::filesystem::path>())))
426         {
427                 _film = film;
428                 _film->set_tolerant (true);
429                 _film->set_audio_channels (MAX_DCP_AUDIO_CHANNELS);
430                 _viewer->set_film (_film);
431                 _controls->set_film (_film);
432                 _film->Change.connect (bind(&DOMFrame::film_changed, this, _1, _2));
433                 _info->triggered_update ();
434         }
435
436         void film_changed (ChangeType type, Film::Property property)
437         {
438                 if (type != ChangeType::DONE || property != Film::Property::CONTENT) {
439                         return;
440                 }
441
442                 if (_viewer->playing ()) {
443                         _viewer->stop ();
444                 }
445
446                 /* Start off as Flat */
447                 _film->set_container (Ratio::from_id("185"));
448
449                 for (auto i: _film->content()) {
450                         auto dcp = dynamic_pointer_cast<DCPContent>(i);
451
452                         for (auto j: i->text) {
453                                 j->set_use (true);
454                         }
455
456                         if (i->video) {
457                                 auto const r = Ratio::nearest_from_ratio(i->video->size().ratio());
458                                 if (r->id() == "239") {
459                                         /* Any scope content means we use scope */
460                                         _film->set_container(r);
461                                 }
462                         }
463
464                         /* Any 3D content means we use 3D mode */
465                         if (i->video && i->video->frame_type() != VideoFrameType::TWO_D) {
466                                 _film->set_three_d (true);
467                         }
468                 }
469
470                 _viewer->seek (DCPTime(), true);
471                 _info->triggered_update ();
472
473                 set_menu_sensitivity ();
474
475                 auto old = _cpl_menu->GetMenuItems();
476                 for (auto const& i: old) {
477                         _cpl_menu->Remove (i);
478                 }
479
480                 if (_film->content().size() == 1) {
481                         /* Offer a CPL menu */
482                         auto first = dynamic_pointer_cast<DCPContent>(_film->content().front());
483                         if (first) {
484                                 DCPExaminer ex (first, true);
485                                 int id = ID_view_cpl;
486                                 for (auto i: ex.cpls()) {
487                                         auto j = _cpl_menu->AppendRadioItem(
488                                                 id,
489                                                 wxString::Format("%s (%s)", std_to_wx(i->annotation_text().get_value_or("")).data(), std_to_wx(i->id()).data())
490                                                 );
491                                         j->Check(!first->cpl() || i->id() == *first->cpl());
492                                         ++id;
493                                 }
494                         }
495                 }
496         }
497
498         void load_stress_script (boost::filesystem::path path)
499         {
500                 _stress.load_script (path);
501         }
502
503 private:
504
505         void examine_content ()
506         {
507                 DCPOMATIC_ASSERT (_film);
508                 auto dcp = dynamic_pointer_cast<DCPContent>(_film->content().front());
509                 DCPOMATIC_ASSERT (dcp);
510                 dcp->examine (_film, shared_ptr<Job>());
511
512                 /* Examining content re-creates the TextContent objects, so we must re-enable them */
513                 for (auto i: dcp->text) {
514                         i->set_use (true);
515                 }
516         }
517
518         bool report_errors_from_last_job (wxWindow* parent) const
519         {
520                 auto jm = JobManager::instance ();
521
522                 DCPOMATIC_ASSERT (!jm->get().empty());
523
524                 auto last = jm->get().back();
525                 if (last->finished_in_error()) {
526                         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()));
527                         return false;
528                 }
529
530                 return true;
531         }
532
533         void setup_menu (wxMenuBar* m)
534         {
535                 _file_menu = new wxMenu;
536                 _file_menu->Append (ID_file_open, _("&Open...\tCtrl-O"));
537                 _file_add_ov = _file_menu->Append (ID_file_add_ov, _("&Add OV..."));
538                 _file_add_kdm = _file_menu->Append (ID_file_add_kdm, _("Add &KDM..."));
539
540                 _history_position = _file_menu->GetMenuItems().GetCount();
541
542                 _file_menu->AppendSeparator ();
543                 _file_menu->Append (ID_file_close, _("&Close"));
544                 _file_menu->AppendSeparator ();
545
546 #ifdef __WXOSX__
547                 _file_menu->Append (wxID_EXIT, _("&Exit"));
548 #else
549                 _file_menu->Append (wxID_EXIT, _("&Quit"));
550 #endif
551
552 #ifdef __WXOSX__
553                 auto prefs = _file_menu->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
554 #else
555                 auto edit = new wxMenu;
556                 auto prefs = edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
557 #endif
558
559                 prefs->Enable (Config::instance()->have_write_permission());
560
561                 _cpl_menu = new wxMenu;
562
563                 auto view = new wxMenu;
564                 auto c = Config::instance()->decode_reduction();
565                 _view_cpl = view->Append(ID_view_cpl, _("CPL"), _cpl_menu);
566                 view->AppendSeparator();
567                 _view_full_screen = view->AppendCheckItem(ID_view_full_screen, _("Full screen\tF11"));
568                 _view_dual_screen = view->AppendCheckItem(ID_view_dual_screen, _("Dual screen\tShift+F11"));
569                 setup_menu ();
570                 view->AppendSeparator();
571                 view->Append(ID_view_closed_captions, _("Closed captions..."));
572                 view->AppendSeparator();
573                 view->AppendRadioItem(ID_view_scale_appropriate, _("Set decode resolution to match display"))->Check(!static_cast<bool>(c));
574                 view->AppendRadioItem(ID_view_scale_full, _("Decode at full resolution"))->Check(c && c.get() == 0);
575                 view->AppendRadioItem(ID_view_scale_half, _("Decode at half resolution"))->Check(c && c.get() == 1);
576                 view->AppendRadioItem(ID_view_scale_quarter, _("Decode at quarter resolution"))->Check(c && c.get() == 2);
577
578                 auto tools = new wxMenu;
579                 _tools_verify = tools->Append (ID_tools_verify, _("Verify DCP..."));
580                 tools->AppendSeparator ();
581                 tools->Append (ID_tools_check_for_updates, _("Check for updates"));
582                 tools->Append (ID_tools_timing, _("Timing..."));
583                 tools->Append (ID_tools_system_information, _("System information..."));
584
585                 auto help = new wxMenu;
586 #ifdef __WXOSX__
587                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
588 #else
589                 help->Append (wxID_ABOUT, _("About"));
590 #endif
591                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
592
593                 m->Append (_file_menu, _("&File"));
594 #ifndef __WXOSX__
595                 m->Append (edit, _("&Edit"));
596 #endif
597                 m->Append (view, _("&View"));
598                 m->Append (tools, _("&Tools"));
599                 m->Append (help, _("&Help"));
600         }
601
602         void file_open ()
603         {
604                 auto d = wxStandardPaths::Get().GetDocumentsDir();
605                 if (Config::instance()->last_player_load_directory()) {
606                         d = std_to_wx (Config::instance()->last_player_load_directory()->string());
607                 }
608
609                 auto c = new wxDirDialog (this, _("Select DCP to open"), d, wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST);
610
611                 int r;
612                 while (true) {
613                         r = c->ShowModal ();
614                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
615                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
616                         } else {
617                                 break;
618                         }
619                 }
620
621                 if (r == wxID_OK) {
622                         boost::filesystem::path const dcp (wx_to_std (c->GetPath ()));
623                         load_dcp (dcp);
624                         Config::instance()->set_last_player_load_directory (dcp.parent_path());
625                 }
626
627                 c->Destroy ();
628         }
629
630         void file_add_ov ()
631         {
632                 auto c = new wxDirDialog (
633                         this,
634                         _("Select DCP to open as OV"),
635                         wxStandardPaths::Get().GetDocumentsDir(),
636                         wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST
637                         );
638
639                 int r;
640                 while (true) {
641                         r = c->ShowModal ();
642                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
643                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
644                         } else {
645                                 break;
646                         }
647                 }
648
649                 if (r == wxID_OK) {
650                         DCPOMATIC_ASSERT (_film);
651                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
652                         DCPOMATIC_ASSERT (dcp);
653                         dcp->add_ov (wx_to_std(c->GetPath()));
654                         JobManager::instance()->add(make_shared<ExamineContentJob>(_film, dcp));
655                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
656                         if (!ok || !report_errors_from_last_job(this)) {
657                                 return;
658                         }
659                         for (auto i: dcp->text) {
660                                 i->set_use (true);
661                         }
662                         if (dcp->video) {
663                                 auto const r = Ratio::nearest_from_ratio(dcp->video->size().ratio());
664                                 if (r) {
665                                         _film->set_container(r);
666                                 }
667                         }
668                 }
669
670                 c->Destroy ();
671                 _info->triggered_update ();
672         }
673
674         void file_add_kdm ()
675         {
676                 auto d = new wxFileDialog (this, _("Select KDM"));
677
678                 if (d->ShowModal() == wxID_OK) {
679                         DCPOMATIC_ASSERT (_film);
680                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
681                         DCPOMATIC_ASSERT (dcp);
682                         try {
683                                 if (dcp) {
684                                         _viewer->set_coalesce_player_changes (true);
685                                         dcp->add_kdm (dcp::EncryptedKDM(dcp::file_to_string(wx_to_std(d->GetPath()), MAX_KDM_SIZE)));
686                                         examine_content();
687                                         _viewer->set_coalesce_player_changes (false);
688                                 }
689                         } catch (exception& e) {
690                                 error_dialog (this, wxString::Format (_("Could not load KDM.")), std_to_wx(e.what()));
691                                 d->Destroy ();
692                                 return;
693                         }
694                 }
695
696                 d->Destroy ();
697                 _info->triggered_update ();
698         }
699
700         void file_history (wxCommandEvent& event)
701         {
702                 auto history = Config::instance()->player_history ();
703                 int n = event.GetId() - ID_file_history;
704                 if (n >= 0 && n < static_cast<int> (history.size ())) {
705                         try {
706                                 load_dcp (history[n]);
707                         } catch (exception& e) {
708                                 error_dialog (0, std_to_wx(String::compose(wx_to_std(_("Could not load DCP %1.")), history[n])), std_to_wx(e.what()));
709                         }
710                 }
711         }
712
713         void file_close ()
714         {
715                 reset_film ();
716                 _info->triggered_update ();
717                 set_menu_sensitivity ();
718         }
719
720         void file_exit ()
721         {
722                 Close ();
723         }
724
725         void edit_preferences ()
726         {
727                 if (!Config::instance()->have_write_permission()) {
728                         return;
729                 }
730
731                 if (!_config_dialog) {
732                         _config_dialog = create_player_config_dialog ();
733                 }
734                 _config_dialog->Show (this);
735         }
736
737         void view_cpl (wxCommandEvent& ev)
738         {
739                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
740                 DCPOMATIC_ASSERT (dcp);
741                 DCPExaminer ex (dcp, true);
742                 int id = ev.GetId() - ID_view_cpl;
743                 DCPOMATIC_ASSERT (id >= 0);
744                 DCPOMATIC_ASSERT (id < int(ex.cpls().size()));
745                 auto cpls = ex.cpls();
746                 auto i = cpls.begin();
747                 while (id > 0) {
748                         ++i;
749                         --id;
750                 }
751
752                 _viewer->set_coalesce_player_changes (true);
753                 dcp->set_cpl ((*i)->id());
754                 examine_content ();
755                 _viewer->set_coalesce_player_changes (false);
756
757                 _info->triggered_update ();
758         }
759
760         void view_full_screen ()
761         {
762                 if (_mode == Config::PLAYER_MODE_FULL) {
763                         _mode = Config::PLAYER_MODE_WINDOW;
764                 } else {
765                         _mode = Config::PLAYER_MODE_FULL;
766                 }
767                 setup_screen ();
768                 setup_menu ();
769         }
770
771         void view_dual_screen ()
772         {
773                 if (_mode == Config::PLAYER_MODE_DUAL) {
774                         _mode = Config::PLAYER_MODE_WINDOW;
775                 } else {
776                         _mode = Config::PLAYER_MODE_DUAL;
777                 }
778                 setup_screen ();
779                 setup_menu ();
780         }
781
782         void setup_menu ()
783         {
784                 if (_view_full_screen) {
785                         _view_full_screen->Check (_mode == Config::PLAYER_MODE_FULL);
786                 }
787                 if (_view_dual_screen) {
788                         _view_dual_screen->Check (_mode == Config::PLAYER_MODE_DUAL);
789                 }
790         }
791
792         void setup_screen ()
793         {
794                 _controls->Show (_mode != Config::PLAYER_MODE_FULL);
795                 _info->Show (_mode != Config::PLAYER_MODE_FULL);
796                 _overall_panel->SetBackgroundColour (_mode == Config::PLAYER_MODE_FULL ? wxColour(0, 0, 0) : wxNullColour);
797                 ShowFullScreen (_mode == Config::PLAYER_MODE_FULL);
798                 _viewer->set_pad_black (_mode != Config::PLAYER_MODE_WINDOW);
799
800                 if (_mode == Config::PLAYER_MODE_DUAL) {
801                         _dual_screen = new wxFrame (this, wxID_ANY, wxT(""));
802                         _dual_screen->SetBackgroundColour (wxColour(0, 0, 0));
803                         _dual_screen->ShowFullScreen (true);
804                         _viewer->panel()->Reparent (_dual_screen);
805                         _dual_screen->Show ();
806                         if (wxDisplay::GetCount() > 1) {
807                                 switch (Config::instance()->image_display()) {
808                                 case 0:
809                                         _dual_screen->Move (0, 0);
810                                         Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
811                                         break;
812                                 case 1:
813                                         _dual_screen->Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
814                                         // (0, 0) doesn't seem to work for some strange reason
815                                         Move (8, 8);
816                                         break;
817                                 }
818                         }
819                 } else {
820                         if (_dual_screen) {
821                                 _viewer->panel()->Reparent (_overall_panel);
822                                 _dual_screen->Destroy ();
823                                 _dual_screen = 0;
824                         }
825                 }
826
827                 setup_main_sizer (_mode);
828         }
829
830         void view_closed_captions ()
831         {
832                 _viewer->show_closed_captions ();
833         }
834
835         void tools_verify ()
836         {
837                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
838                 DCPOMATIC_ASSERT (dcp);
839
840                 auto job = make_shared<VerifyDCPJob>(dcp->directories());
841                 auto progress = new VerifyDCPProgressDialog(this, _("DCP-o-matic Player"));
842                 bool const completed = progress->run (job);
843                 progress->Destroy ();
844                 if (!completed) {
845                         return;
846                 }
847
848                 auto d = new VerifyDCPDialog (this, job);
849                 d->ShowModal ();
850                 d->Destroy ();
851         }
852
853         void tools_check_for_updates ()
854         {
855                 UpdateChecker::instance()->run ();
856                 _update_news_requested = true;
857         }
858
859         void tools_timing ()
860         {
861                 auto d = new TimerDisplay (this, _viewer->state_timer(), _viewer->gets());
862                 d->ShowModal ();
863                 d->Destroy ();
864         }
865
866         void tools_system_information ()
867         {
868                 if (!_system_information_dialog) {
869                         _system_information_dialog = new SystemInformationDialog (this, _viewer);
870                 }
871
872                 _system_information_dialog->Show ();
873         }
874
875         void help_about ()
876         {
877                 auto d = new AboutDialog (this);
878                 d->ShowModal ();
879                 d->Destroy ();
880         }
881
882         void help_report_a_problem ()
883         {
884                 auto d = new ReportProblemDialog (this);
885                 if (d->ShowModal () == wxID_OK) {
886                         d->report ();
887                 }
888                 d->Destroy ();
889         }
890
891         void update_checker_state_changed ()
892         {
893                 auto uc = UpdateChecker::instance ();
894
895                 bool const announce =
896                         _update_news_requested ||
897                         (uc->stable() && Config::instance()->check_for_updates()) ||
898                         (uc->test() && Config::instance()->check_for_updates() && Config::instance()->check_for_test_updates());
899
900                 _update_news_requested = false;
901
902                 if (!announce) {
903                         return;
904                 }
905
906                 if (uc->state() == UpdateChecker::State::YES) {
907                         auto dialog = new UpdateDialog (this, uc->stable (), uc->test ());
908                         dialog->ShowModal ();
909                         dialog->Destroy ();
910                 } else if (uc->state() == UpdateChecker::State::FAILED) {
911                         error_dialog (this, _("The DCP-o-matic download server could not be contacted."));
912                 } else {
913                         error_dialog (this, _("There are no new versions of DCP-o-matic available."));
914                 }
915
916                 _update_news_requested = false;
917         }
918
919         void config_changed (Config::Property prop)
920         {
921                 /* Instantly save any config changes when using the player GUI */
922                 try {
923                         Config::instance()->write_config();
924                 } catch (FileError& e) {
925                         if (prop != Config::HISTORY) {
926                                 error_dialog (
927                                         this,
928                                         wxString::Format(
929                                                 _("Could not write to config file at %s.  Your changes have not been saved."),
930                                                 std_to_wx(e.file().string())
931                                                 )
932                                         );
933                         }
934                 } catch (exception& e) {
935                         error_dialog (
936                                 this,
937                                 _("Could not write to config file.  Your changes have not been saved.")
938                                 );
939                 }
940
941                 update_from_config (prop);
942         }
943
944         void update_from_config (Config::Property prop)
945         {
946                 for (int i = 0; i < _history_items; ++i) {
947                         delete _file_menu->Remove (ID_file_history + i);
948                 }
949
950                 if (_history_separator) {
951                         _file_menu->Remove (_history_separator);
952                 }
953                 delete _history_separator;
954                 _history_separator = nullptr;
955
956                 int pos = _history_position;
957
958                 /* Clear out non-existant history items before we re-build the menu */
959                 Config::instance()->clean_player_history ();
960                 auto history = Config::instance()->player_history ();
961
962                 if (!history.empty ()) {
963                         _history_separator = _file_menu->InsertSeparator (pos++);
964                 }
965
966                 for (size_t i = 0; i < history.size(); ++i) {
967                         string s;
968                         if (i < 9) {
969                                 s = String::compose ("&%1 %2", i + 1, history[i].string());
970                         } else {
971                                 s = history[i].string();
972                         }
973                         _file_menu->Insert (pos++, ID_file_history + i, std_to_wx (s));
974                 }
975
976                 _history_items = history.size ();
977
978                 if (prop == Config::PLAYER_DEBUG_LOG) {
979                         auto p = Config::instance()->player_debug_log_file();
980                         if (p) {
981                                 dcpomatic_log = make_shared<FileLog>(*p);
982                         } else {
983                                 dcpomatic_log = make_shared<NullLog>();
984                         }
985                         dcpomatic_log->set_types (LogEntry::TYPE_GENERAL | LogEntry::TYPE_WARNING | LogEntry::TYPE_ERROR | LogEntry::TYPE_DEBUG_VIDEO_VIEW);
986                 }
987         }
988
989         void set_menu_sensitivity ()
990         {
991                 _tools_verify->Enable (static_cast<bool>(_film));
992                 _file_add_ov->Enable (static_cast<bool>(_film));
993                 _file_add_kdm->Enable (static_cast<bool>(_film));
994                 _view_cpl->Enable (static_cast<bool>(_film));
995         }
996
997         void start_stop_pressed ()
998         {
999                 if (_viewer->playing()) {
1000                         _viewer->stop();
1001                 } else {
1002                         _viewer->start();
1003                 }
1004         }
1005
1006         void go_back_frame ()
1007         {
1008                 _viewer->seek_by (-_viewer->one_video_frame(), true);
1009         }
1010
1011         void go_forward_frame ()
1012         {
1013                 _viewer->seek_by (_viewer->one_video_frame(), true);
1014         }
1015
1016         void go_seconds (int s)
1017         {
1018                 _viewer->seek_by (DCPTime::from_seconds(s), true);
1019         }
1020
1021         void go_to_start ()
1022         {
1023                 _viewer->seek (DCPTime(), true);
1024         }
1025
1026         void go_to_end ()
1027         {
1028                 _viewer->seek (_film->length() - _viewer->one_video_frame(), true);
1029         }
1030
1031         wxFrame* _dual_screen = nullptr;
1032         bool _update_news_requested = false;
1033         PlayerInformation* _info = nullptr;
1034         Config::PlayerMode _mode;
1035         wxPreferencesEditor* _config_dialog = nullptr;
1036         wxPanel* _overall_panel = nullptr;
1037         wxMenu* _file_menu = nullptr;
1038         wxMenuItem* _view_cpl = nullptr;
1039         wxMenu* _cpl_menu = nullptr;
1040         int _history_items = 0;
1041         int _history_position = 0;
1042         wxMenuItem* _history_separator = nullptr;
1043         shared_ptr<FilmViewer> _viewer;
1044         Controls* _controls;
1045         SystemInformationDialog* _system_information_dialog = nullptr;
1046         std::shared_ptr<Film> _film;
1047         boost::signals2::scoped_connection _config_changed_connection;
1048         boost::signals2::scoped_connection _examine_job_connection;
1049         wxMenuItem* _file_add_ov = nullptr;
1050         wxMenuItem* _file_add_kdm = nullptr;
1051         wxMenuItem* _tools_verify = nullptr;
1052         wxMenuItem* _view_full_screen = nullptr;
1053         wxMenuItem* _view_dual_screen = nullptr;
1054         wxSizer* _main_sizer = nullptr;
1055         PlayerStressTester _stress;
1056 };
1057
1058 static const wxCmdLineEntryDesc command_line_description[] = {
1059         { wxCMD_LINE_PARAM, 0, 0, "DCP to load or create", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1060         { wxCMD_LINE_OPTION, "c", "config", "Directory containing config.xml", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1061         { wxCMD_LINE_OPTION, "s", "stress", "File containing description of stress test", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1062         { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
1063 };
1064
1065 class PlayServer : public Server
1066 {
1067 public:
1068         explicit PlayServer (DOMFrame* frame)
1069                 : Server (PLAYER_PLAY_PORT)
1070                 , _frame (frame)
1071         {}
1072
1073         void handle (shared_ptr<Socket> socket)
1074         {
1075                 try {
1076                         int const length = socket->read_uint32 ();
1077                         scoped_array<char> buffer (new char[length]);
1078                         socket->read (reinterpret_cast<uint8_t*> (buffer.get()), length);
1079                         string s (buffer.get());
1080                         signal_manager->when_idle (bind (&DOMFrame::load_dcp, _frame, s));
1081                         socket->write (reinterpret_cast<uint8_t const *> ("OK"), 3);
1082                 } catch (...) {
1083
1084                 }
1085         }
1086
1087 private:
1088         DOMFrame* _frame;
1089 };
1090
1091 /** @class App
1092  *  @brief The magic App class for wxWidgets.
1093  */
1094 class App : public wxApp
1095 {
1096 public:
1097         App ()
1098                 : wxApp ()
1099         {
1100 #ifdef DCPOMATIC_LINUX
1101                 XInitThreads ();
1102 #endif
1103         }
1104
1105 private:
1106
1107         bool OnInit ()
1108         {
1109                 wxSplashScreen* splash = nullptr;
1110                 try {
1111                         wxInitAllImageHandlers ();
1112
1113                         Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
1114                         Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
1115
1116                         splash = maybe_show_splash ();
1117
1118                         SetAppName (_("DCP-o-matic Player"));
1119
1120                         if (!wxApp::OnInit()) {
1121                                 return false;
1122                         }
1123
1124 #ifdef DCPOMATIC_LINUX
1125                         unsetenv ("UBUNTU_MENUPROXY");
1126 #endif
1127
1128 #ifdef DCPOMATIC_OSX
1129                         make_foreground_application ();
1130 #endif
1131
1132                         dcpomatic_setup_path_encoding ();
1133
1134                         /* Enable i18n; this will create a Config object
1135                            to look for a force-configured language.  This Config
1136                            object will be wrong, however, because dcpomatic_setup
1137                            hasn't yet been called and there aren't any filters etc.
1138                            set up yet.
1139                         */
1140                         dcpomatic_setup_i18n ();
1141
1142                         /* Set things up, including filters etc.
1143                            which will now be internationalised correctly.
1144                         */
1145                         dcpomatic_setup ();
1146
1147                         /* Force the configuration to be re-loaded correctly next
1148                            time it is needed.
1149                         */
1150                         Config::drop ();
1151
1152                         signal_manager = new wxSignalManager (this);
1153
1154                         _frame = new DOMFrame ();
1155                         SetTopWindow (_frame);
1156                         _frame->Maximize ();
1157                         if (splash) {
1158                                 splash->Destroy ();
1159                                 splash = nullptr;
1160                         }
1161                         _frame->Show ();
1162
1163                         try {
1164                                 auto server = new PlayServer (_frame);
1165                                 new thread (boost::bind (&PlayServer::run, server));
1166                         } catch (std::exception& e) {
1167                                 /* This is not the end of the world; probably a failure to bind the server socket
1168                                  * because there's already another player running.
1169                                  */
1170                                 LOG_DEBUG_PLAYER ("Failed to start play server (%1)", e.what());
1171                         }
1172
1173                         if (!_dcp_to_load.empty() && boost::filesystem::is_directory (_dcp_to_load)) {
1174                                 try {
1175                                         _frame->load_dcp (_dcp_to_load);
1176                                 } catch (exception& e) {
1177                                         error_dialog (0, std_to_wx (String::compose (wx_to_std (_("Could not load DCP %1.")), _dcp_to_load)), std_to_wx(e.what()));
1178                                 }
1179                         }
1180
1181                         if (_stress) {
1182                                 try {
1183                                         _frame->load_stress_script (*_stress);
1184                                 } catch (exception& e) {
1185                                         error_dialog (0, wxString::Format("Could not load stress test file %s", std_to_wx(*_stress)));
1186                                 }
1187                         }
1188
1189                         Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
1190
1191                         if (Config::instance()->check_for_updates ()) {
1192                                 UpdateChecker::instance()->run ();
1193                         }
1194                 }
1195                 catch (exception& e)
1196                 {
1197                         if (splash) {
1198                                 splash->Destroy ();
1199                         }
1200                         error_dialog (0, _("DCP-o-matic Player could not start."), std_to_wx(e.what()));
1201                 }
1202
1203                 return true;
1204         }
1205
1206         void OnInitCmdLine (wxCmdLineParser& parser)
1207         {
1208                 parser.SetDesc (command_line_description);
1209                 parser.SetSwitchChars (wxT ("-"));
1210         }
1211
1212         bool OnCmdLineParsed (wxCmdLineParser& parser)
1213         {
1214                 if (parser.GetParamCount() > 0) {
1215                         _dcp_to_load = wx_to_std (parser.GetParam (0));
1216                 }
1217
1218                 wxString config;
1219                 if (parser.Found("c", &config)) {
1220                         Config::override_path = wx_to_std (config);
1221                 }
1222                 wxString stress;
1223                 if (parser.Found("s", &stress)) {
1224                         _stress = wx_to_std (stress);
1225                 }
1226
1227                 return true;
1228         }
1229
1230         void report_exception ()
1231         {
1232                 try {
1233                         throw;
1234                 } catch (FileError& e) {
1235                         error_dialog (
1236                                 0,
1237                                 wxString::Format (
1238                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
1239                                         std_to_wx (e.what()),
1240                                         std_to_wx (e.file().string().c_str ())
1241                                         )
1242                                 );
1243                 } catch (exception& e) {
1244                         error_dialog (
1245                                 0,
1246                                 wxString::Format (
1247                                         _("An exception occurred: %s.\n\n") + REPORT_PROBLEM,
1248                                         std_to_wx (e.what ())
1249                                         )
1250                                 );
1251                 } catch (...) {
1252                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
1253                 }
1254         }
1255
1256         /* An unhandled exception has occurred inside the main event loop */
1257         bool OnExceptionInMainLoop ()
1258         {
1259                 report_exception ();
1260                 /* This will terminate the program */
1261                 return false;
1262         }
1263
1264         void OnUnhandledException ()
1265         {
1266                 report_exception ();
1267         }
1268
1269         void idle ()
1270         {
1271                 signal_manager->ui_idle ();
1272         }
1273
1274         void config_failed_to_load ()
1275         {
1276                 message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
1277         }
1278
1279         void config_warning (string m)
1280         {
1281                 message_dialog (_frame, std_to_wx (m));
1282         }
1283
1284         DOMFrame* _frame = nullptr;
1285         string _dcp_to_load;
1286         boost::optional<string> _stress;
1287 };
1288
1289 IMPLEMENT_APP (App)