600d1c6b440531aaddfff8df315374283d834054
[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/about_dialog.h"
22 #include "wx/film_viewer.h"
23 #include "wx/nag_dialog.h"
24 #include "wx/player_config_dialog.h"
25 #include "wx/player_information.h"
26 #include "wx/player_stress_tester.h"
27 #include "wx/playlist_controls.h"
28 #include "wx/report_problem_dialog.h"
29 #include "wx/standard_controls.h"
30 #include "wx/system_information_dialog.h"
31 #include "wx/timer_display.h"
32 #include "wx/update_dialog.h"
33 #include "wx/verify_dcp_dialog.h"
34 #include "wx/verify_dcp_progress_dialog.h"
35 #include "wx/wx_ptr.h"
36 #include "wx/wx_signal_manager.h"
37 #include "wx/wx_util.h"
38 #include "lib/compose.hpp"
39 #include "lib/config.h"
40 #include "lib/constants.h"
41 #include "lib/cross.h"
42 #include "lib/dcp_content.h"
43 #include "lib/dcp_examiner.h"
44 #include "lib/dcpomatic_log.h"
45 #include "lib/dcpomatic_socket.h"
46 #include "lib/examine_content_job.h"
47 #include "lib/ffmpeg_content.h"
48 #include "lib/file_log.h"
49 #include "lib/film.h"
50 #include "lib/image.h"
51 #include "lib/image_jpeg.h"
52 #include "lib/image_png.h"
53 #include "lib/internet.h"
54 #include "lib/job.h"
55 #include "lib/job_manager.h"
56 #include "lib/null_log.h"
57 #include "lib/player.h"
58 #include "lib/player_video.h"
59 #include "lib/ratio.h"
60 #include "lib/scope_guard.h"
61 #include "lib/scoped_temporary.h"
62 #include "lib/server.h"
63 #include "lib/text_content.h"
64 #include "lib/update_checker.h"
65 #include "lib/verify_dcp_job.h"
66 #include "lib/video_content.h"
67 #include <dcp/cpl.h>
68 #include <dcp/dcp.h>
69 #include <dcp/exceptions.h>
70 #include <dcp/raw_convert.h>
71 #include <dcp/search.h>
72 #include <dcp/warnings.h>
73 LIBDCP_DISABLE_WARNINGS
74 #include <wx/cmdline.h>
75 #include <wx/display.h>
76 #include <wx/dnd.h>
77 #include <wx/preferences.h>
78 #include <wx/progdlg.h>
79 #include <wx/splash.h>
80 #include <wx/stdpaths.h>
81 #include <wx/wx.h>
82 LIBDCP_ENABLE_WARNINGS
83 #ifdef __WXGTK__
84 #include <X11/Xlib.h>
85 #endif
86 #include <boost/algorithm/string.hpp>
87 #include <boost/bind/bind.hpp>
88 #include <iostream>
89
90 #ifdef check
91 #undef check
92 #endif
93
94
95 #define MAX_CPLS 32
96
97
98 using std::cout;
99 using std::dynamic_pointer_cast;
100 using std::exception;
101 using std::list;
102 using std::make_shared;
103 using std::shared_ptr;
104 using std::string;
105 using std::vector;
106 using std::weak_ptr;
107 using boost::bind;
108 using boost::optional;
109 using boost::scoped_array;
110 using boost::thread;
111 #if BOOST_VERSION >= 106100
112 using namespace boost::placeholders;
113 #endif
114 using dcp::raw_convert;
115 using namespace dcpomatic;
116
117
118 enum {
119         ID_file_open = 1,
120         ID_file_add_ov,
121         ID_file_add_kdm,
122         ID_file_save_frame,
123         ID_file_history,
124         /* Allow spare IDs after _history for the recent files list */
125         ID_file_close = 100,
126         ID_view_cpl,
127         /* Allow spare IDs for CPLs */
128         ID_view_full_screen = 200,
129         ID_view_dual_screen,
130         ID_view_closed_captions,
131         ID_view_scale_appropriate,
132         ID_view_scale_full,
133         ID_view_scale_half,
134         ID_view_scale_quarter,
135         ID_help_report_a_problem,
136         ID_tools_verify,
137         ID_tools_check_for_updates,
138         ID_tools_timing,
139         ID_tools_system_information,
140         /* IDs for shortcuts (with no associated menu item) */
141         ID_start_stop,
142         ID_go_back_frame,
143         ID_go_forward_frame,
144         ID_go_back_small_amount,
145         ID_go_forward_small_amount,
146         ID_go_back_medium_amount,
147         ID_go_forward_medium_amount,
148         ID_go_back_large_amount,
149         ID_go_forward_large_amount,
150         ID_go_to_start,
151         ID_go_to_end
152 };
153
154
155 class DOMFrame : public wxFrame
156 {
157 public:
158
159         class DCPDropTarget : public wxFileDropTarget
160         {
161         public:
162                 DCPDropTarget(DOMFrame* owner)
163                         : _frame(owner)
164                 {}
165
166                 bool OnDropFiles(wxCoord, wxCoord, wxArrayString const& filenames) override
167                 {
168                         if (filenames.GetCount() == 1) {
169                                 /* Try to load a directory */
170                                 auto path = boost::filesystem::path(wx_to_std(filenames[0]));
171                                 if (boost::filesystem::is_directory(path)) {
172                                         _frame->load_dcp(wx_to_std(filenames[0]));
173                                         return true;
174                                 }
175                         }
176
177                         if (filenames.GetCount() >= 1) {
178                                 /* Try to load the parent if we drop some files, one if which is an asset map */
179                                 for (size_t i = 0; i < filenames.GetCount(); ++i) {
180                                         auto path = boost::filesystem::path(wx_to_std(filenames[i]));
181                                         if (path.filename() == "ASSETMAP" || path.filename() == "ASSETMAP.xml") {
182                                                 _frame->load_dcp(path.parent_path());
183                                                 return true;
184                                         }
185                                 }
186                         }
187
188                         return false;
189                 }
190
191         private:
192                 DOMFrame* _frame;
193         };
194
195
196         DOMFrame ()
197                 : wxFrame (nullptr, -1, _("DCP-o-matic Player"))
198                 , _mode (Config::instance()->player_mode())
199                 /* Use a panel as the only child of the Frame so that we avoid
200                    the dark-grey background on Windows.
201                 */
202                 , _overall_panel(new wxPanel(this, wxID_ANY))
203                 , _viewer(_overall_panel)
204                 , _main_sizer (new wxBoxSizer(wxVERTICAL))
205         {
206                 dcpomatic_log = make_shared<NullLog>();
207
208 #if defined(DCPOMATIC_WINDOWS)
209                 maybe_open_console ();
210                 cout << "DCP-o-matic Player is starting." << "\n";
211 #endif
212
213                 auto bar = new wxMenuBar;
214                 setup_menu (bar);
215                 set_menu_sensitivity ();
216                 SetMenuBar (bar);
217
218 #ifdef DCPOMATIC_WINDOWS
219                 SetIcon (wxIcon (std_to_wx ("id")));
220 #endif
221
222                 _config_changed_connection = Config::instance()->Changed.connect (boost::bind (&DOMFrame::config_changed, this, _1));
223                 update_from_config (Config::PLAYER_DEBUG_LOG);
224
225                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_open, this), ID_file_open);
226                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_ov, this), ID_file_add_ov);
227                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_kdm, this), ID_file_add_kdm);
228                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_save_frame, this), ID_file_save_frame);
229                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_history, this, _1), ID_file_history, ID_file_history + HISTORY_SIZE);
230                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_close, this), ID_file_close);
231                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this), wxID_EXIT);
232                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this), wxID_PREFERENCES);
233                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_full_screen, this), ID_view_full_screen);
234                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_dual_screen, this), ID_view_dual_screen);
235                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_closed_captions, this), ID_view_closed_captions);
236                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_cpl, this, _1), ID_view_cpl, ID_view_cpl + MAX_CPLS);
237                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(0)), ID_view_scale_full);
238                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(1)), ID_view_scale_half);
239                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(2)), ID_view_scale_quarter);
240                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this), wxID_ABOUT);
241                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this), ID_help_report_a_problem);
242                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_verify, this), ID_tools_verify);
243                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_check_for_updates, this), ID_tools_check_for_updates);
244                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_timing, this), ID_tools_timing);
245                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_system_information, this), ID_tools_system_information);
246
247                 if (Config::instance()->player_mode() == Config::PLAYER_MODE_DUAL) {
248                         auto pc = new PlaylistControls (_overall_panel, _viewer);
249                         _controls = pc;
250                         pc->ResetFilm.connect (bind(&DOMFrame::reset_film_weak, this, _1));
251                 } else {
252                         _controls = new StandardControls (_overall_panel, _viewer, false);
253                 }
254                 _viewer.set_dcp_decode_reduction(Config::instance()->decode_reduction());
255                 _viewer.set_optimise_for_j2k(true);
256                 _viewer.PlaybackPermitted.connect(bind(&DOMFrame::playback_permitted, this));
257                 _viewer.TooManyDropped.connect(bind(&DOMFrame::too_many_frames_dropped, this));
258                 _info = new PlayerInformation (_overall_panel, _viewer);
259                 setup_main_sizer (Config::instance()->player_mode());
260 #ifdef __WXOSX__
261                 int accelerators = 12;
262 #else
263                 int accelerators = 11;
264 #endif
265
266                 _stress.setup (this, _controls);
267
268                 std::vector<wxAcceleratorEntry> accel(accelerators);
269                 accel[0].Set(wxACCEL_NORMAL,                WXK_SPACE, ID_start_stop);
270                 accel[1].Set(wxACCEL_NORMAL,                WXK_LEFT,  ID_go_back_frame);
271                 accel[2].Set(wxACCEL_NORMAL,                WXK_RIGHT, ID_go_forward_frame);
272                 accel[3].Set(wxACCEL_SHIFT,                 WXK_LEFT,  ID_go_back_small_amount);
273                 accel[4].Set(wxACCEL_SHIFT,                 WXK_RIGHT, ID_go_forward_small_amount);
274                 accel[5].Set(wxACCEL_CTRL,                  WXK_LEFT,  ID_go_back_medium_amount);
275                 accel[6].Set(wxACCEL_CTRL,                  WXK_RIGHT, ID_go_forward_medium_amount);
276                 accel[7].Set(wxACCEL_SHIFT | wxACCEL_CTRL,  WXK_LEFT,  ID_go_back_large_amount);
277                 accel[8].Set(wxACCEL_SHIFT | wxACCEL_CTRL,  WXK_RIGHT, ID_go_forward_large_amount);
278                 accel[9].Set(wxACCEL_NORMAL,                WXK_HOME,  ID_go_to_start);
279                 accel[10].Set(wxACCEL_NORMAL,               WXK_END,   ID_go_to_end);
280 #ifdef __WXOSX__
281                 accel[11].Set(wxACCEL_CTRL, static_cast<int>('W'), ID_file_close);
282 #endif
283                 wxAcceleratorTable accel_table (accelerators, accel.data());
284                 SetAcceleratorTable (accel_table);
285
286                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::start_stop_pressed, this), ID_start_stop);
287                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_back_frame, this),      ID_go_back_frame);
288                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_forward_frame, this),   ID_go_forward_frame);
289                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   -60), ID_go_back_small_amount);
290                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,    60), ID_go_forward_small_amount);
291                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  -600), ID_go_back_medium_amount);
292                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   600), ID_go_forward_medium_amount);
293                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this, -3600), ID_go_back_large_amount);
294                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  3600), ID_go_forward_large_amount);
295                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_start, this), ID_go_to_start);
296                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_end,   this), ID_go_to_end);
297
298                 reset_film ();
299
300                 UpdateChecker::instance()->StateChanged.connect (boost::bind(&DOMFrame::update_checker_state_changed, this));
301                 setup_screen ();
302
303                 _stress.LoadDCP.connect (boost::bind(&DOMFrame::load_dcp, this, _1));
304
305                 SetDropTarget(new DCPDropTarget(this));
306         }
307
308         ~DOMFrame ()
309         {
310                 /* It's important that this is stopped before our frame starts destroying its children,
311                  * otherwise UI elements that it depends on will disappear from under it.
312                  */
313                 _viewer.stop();
314         }
315
316         void setup_main_sizer (Config::PlayerMode mode)
317         {
318                 _main_sizer->Detach(_viewer.panel());
319                 _main_sizer->Detach (_controls);
320                 _main_sizer->Detach (_info);
321                 if (mode != Config::PLAYER_MODE_DUAL) {
322                         _main_sizer->Add(_viewer.panel(), 1, wxEXPAND);
323                 }
324                 _main_sizer->Add (_controls, mode == Config::PLAYER_MODE_DUAL ? 1 : 0, wxEXPAND | wxALL, 6);
325                 _main_sizer->Add (_info, 0, wxEXPAND | wxALL, 6);
326                 _overall_panel->SetSizer (_main_sizer);
327                 _overall_panel->Layout ();
328         }
329
330         bool playback_permitted ()
331         {
332                 if (!_film || !Config::instance()->respect_kdm_validity_periods()) {
333                         return true;
334                 }
335
336                 bool ok = true;
337                 for (auto i: _film->content()) {
338                         auto d = dynamic_pointer_cast<DCPContent>(i);
339                         if (d && !d->kdm_timing_window_valid()) {
340                                 ok = false;
341                         }
342                 }
343
344                 if (!ok) {
345                         error_dialog (this, _("The KDM does not allow playback of this content at this time."));
346                 }
347
348                 return ok;
349         }
350
351
352         void too_many_frames_dropped ()
353         {
354                 if (!Config::instance()->nagged(Config::NAG_TOO_MANY_DROPPED_FRAMES)) {
355                         _viewer.stop();
356                 }
357
358                 NagDialog::maybe_nag (
359                         this,
360                         Config::NAG_TOO_MANY_DROPPED_FRAMES,
361                         _(wxS("The player is dropping a lot of frames, so playback may not be accurate.\n\n"
362                           "<b>This does not necessarily mean that the DCP you are playing is defective!</b>\n\n"
363                           "You may be able to improve player performance by:\n"
364                           "• choosing 'decode at half resolution' or 'decode at quarter resolution' from the View menu\n"
365                           "• using a more powerful computer.\n"
366                          ))
367                         );
368         }
369
370         void set_decode_reduction (optional<int> reduction)
371         {
372                 _viewer.set_dcp_decode_reduction(reduction);
373                 _info->triggered_update ();
374                 Config::instance()->set_decode_reduction (reduction);
375         }
376
377         void load_dcp (boost::filesystem::path dir)
378         {
379                 DCPOMATIC_ASSERT (_film);
380
381                 reset_film ();
382                 try {
383                         _stress.set_suspended (true);
384                         auto dcp = make_shared<DCPContent>(dir);
385                         auto job = make_shared<ExamineContentJob>(_film, dcp);
386                         _examine_job_connection = job->Finished.connect(bind(&DOMFrame::add_dcp_to_film, this, weak_ptr<Job>(job), weak_ptr<Content>(dcp)));
387                         JobManager::instance()->add (job);
388                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
389                         if (!ok || !report_errors_from_last_job(this)) {
390                                 return;
391                         }
392                         Config::instance()->add_to_player_history (dir);
393                         if (dcp->video_frame_rate()) {
394                                 _film->set_video_frame_rate(dcp->video_frame_rate().get(), true);
395                         }
396                 } catch (ProjectFolderError &) {
397                         error_dialog (
398                                 this,
399                                 wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())),
400                                 _(
401                                         "This looks like a DCP-o-matic project folder, which cannot be loaded into the player.  "
402                                         "Choose the DCP folder inside the DCP-o-matic project folder if that's what you want to play."
403                                  )
404                                 );
405                 } catch (dcp::ReadError& e) {
406                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
407                 } catch (DCPError& e) {
408                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
409                 }
410         }
411
412         void add_dcp_to_film (weak_ptr<Job> weak_job, weak_ptr<Content> weak_content)
413         {
414                 auto job = weak_job.lock ();
415                 if (!job || !job->finished_ok()) {
416                         return;
417                 }
418
419                 auto content = weak_content.lock ();
420                 if (!content) {
421                         return;
422                 }
423
424                 _film->add_content (content);
425                 _stress.set_suspended (false);
426         }
427
428         void reset_film_weak (weak_ptr<Film> weak_film)
429         {
430                 auto film = weak_film.lock ();
431                 if (film) {
432                         reset_film (film);
433                 }
434         }
435
436         void reset_film (shared_ptr<Film> film = shared_ptr<Film>(new Film(optional<boost::filesystem::path>())))
437         {
438                 _film = film;
439                 _film->set_tolerant (true);
440                 _film->set_audio_channels (MAX_DCP_AUDIO_CHANNELS);
441                 _viewer.set_film(_film);
442                 _controls->set_film (_film);
443                 _film->Change.connect (bind(&DOMFrame::film_changed, this, _1, _2));
444                 _info->triggered_update ();
445         }
446
447         void film_changed (ChangeType type, Film::Property property)
448         {
449                 if (type != ChangeType::DONE || property != Film::Property::CONTENT) {
450                         return;
451                 }
452
453                 if (_viewer.playing()) {
454                         _viewer.stop();
455                 }
456
457                 /* Start off as Flat */
458                 _film->set_container (Ratio::from_id("185"));
459
460                 for (auto i: _film->content()) {
461                         auto dcp = dynamic_pointer_cast<DCPContent>(i);
462
463                         for (auto j: i->text) {
464                                 j->set_use (true);
465                         }
466
467                         if (i->video) {
468                                 auto const r = Ratio::nearest_from_ratio(i->video->size().ratio());
469                                 if (r->id() == "239") {
470                                         /* Any scope content means we use scope */
471                                         _film->set_container(r);
472                                 }
473                         }
474
475                         /* Any 3D content means we use 3D mode */
476                         if (i->video && i->video->frame_type() != VideoFrameType::TWO_D) {
477                                 _film->set_three_d (true);
478                         }
479                 }
480
481                 _viewer.seek(DCPTime(), true);
482                 _info->triggered_update ();
483
484                 set_menu_sensitivity ();
485
486                 auto old = _cpl_menu->GetMenuItems();
487                 for (auto const& i: old) {
488                         _cpl_menu->Remove (i);
489                 }
490
491                 if (_film->content().size() == 1) {
492                         /* Offer a CPL menu */
493                         auto first = dynamic_pointer_cast<DCPContent>(_film->content().front());
494                         if (first) {
495                                 int id = ID_view_cpl;
496                                 for (auto i: dcp::find_and_resolve_cpls(first->directories(), true)) {
497                                         auto j = _cpl_menu->AppendRadioItem(
498                                                 id,
499                                                 wxString::Format("%s (%s)", std_to_wx(i->annotation_text().get_value_or("")).data(), std_to_wx(i->id()).data())
500                                                 );
501                                         j->Check(!first->cpl() || i->id() == *first->cpl());
502                                         ++id;
503                                 }
504                         }
505                 }
506         }
507
508         void load_stress_script (boost::filesystem::path path)
509         {
510                 _stress.load_script (path);
511         }
512
513 private:
514
515         void examine_content ()
516         {
517                 DCPOMATIC_ASSERT (_film);
518                 auto dcp = dynamic_pointer_cast<DCPContent>(_film->content().front());
519                 DCPOMATIC_ASSERT (dcp);
520                 dcp->examine (_film, shared_ptr<Job>());
521
522                 /* Examining content re-creates the TextContent objects, so we must re-enable them */
523                 for (auto i: dcp->text) {
524                         i->set_use (true);
525                 }
526         }
527
528         bool report_errors_from_last_job (wxWindow* parent) const
529         {
530                 auto jm = JobManager::instance ();
531
532                 DCPOMATIC_ASSERT (!jm->get().empty());
533
534                 auto last = jm->get().back();
535                 if (last->finished_in_error()) {
536                         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()));
537                         return false;
538                 }
539
540                 return true;
541         }
542
543         void setup_menu (wxMenuBar* m)
544         {
545                 _file_menu = new wxMenu;
546                 _file_menu->Append (ID_file_open, _("&Open...\tCtrl-O"));
547                 _file_add_ov = _file_menu->Append (ID_file_add_ov, _("&Add OV..."));
548                 _file_add_kdm = _file_menu->Append (ID_file_add_kdm, _("Add &KDM..."));
549                 _file_menu->AppendSeparator ();
550                 _file_save_frame = _file_menu->Append (ID_file_save_frame, _("&Save frame to file...\tCtrl-S"));
551
552                 _history_position = _file_menu->GetMenuItems().GetCount();
553
554                 _file_menu->AppendSeparator ();
555                 _file_menu->Append (ID_file_close, _("&Close"));
556                 _file_menu->AppendSeparator ();
557
558 #ifdef __WXOSX__
559                 _file_menu->Append (wxID_EXIT, _("&Exit"));
560 #else
561                 _file_menu->Append (wxID_EXIT, _("&Quit"));
562 #endif
563
564 #ifdef __WXOSX__
565                 auto prefs = _file_menu->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
566 #else
567                 auto edit = new wxMenu;
568                 auto prefs = edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
569 #endif
570
571                 prefs->Enable (Config::instance()->have_write_permission());
572
573                 _cpl_menu = new wxMenu;
574
575                 auto view = new wxMenu;
576                 auto c = Config::instance()->decode_reduction();
577                 _view_cpl = view->Append(ID_view_cpl, _("CPL"), _cpl_menu);
578                 view->AppendSeparator();
579                 _view_full_screen = view->AppendCheckItem(ID_view_full_screen, _("Full screen\tF11"));
580                 _view_dual_screen = view->AppendCheckItem(ID_view_dual_screen, _("Dual screen\tShift+F11"));
581                 setup_menu ();
582                 view->AppendSeparator();
583                 view->Append(ID_view_closed_captions, _("Closed captions..."));
584                 view->AppendSeparator();
585                 view->AppendRadioItem(ID_view_scale_appropriate, _("Set decode resolution to match display"))->Check(!static_cast<bool>(c));
586                 view->AppendRadioItem(ID_view_scale_full, _("Decode at full resolution"))->Check(c && c.get() == 0);
587                 view->AppendRadioItem(ID_view_scale_half, _("Decode at half resolution"))->Check(c && c.get() == 1);
588                 view->AppendRadioItem(ID_view_scale_quarter, _("Decode at quarter resolution"))->Check(c && c.get() == 2);
589
590                 auto tools = new wxMenu;
591                 _tools_verify = tools->Append (ID_tools_verify, _("Verify DCP..."));
592                 tools->AppendSeparator ();
593                 tools->Append (ID_tools_check_for_updates, _("Check for updates"));
594                 tools->Append (ID_tools_timing, _("Timing..."));
595                 tools->Append (ID_tools_system_information, _("System information..."));
596
597                 auto help = new wxMenu;
598 #ifdef __WXOSX__
599                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
600 #else
601                 help->Append (wxID_ABOUT, _("About"));
602 #endif
603                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
604
605                 m->Append (_file_menu, _("&File"));
606 #ifndef __WXOSX__
607                 m->Append (edit, _("&Edit"));
608 #endif
609                 m->Append (view, _("&View"));
610                 m->Append (tools, _("&Tools"));
611                 m->Append (help, _("&Help"));
612         }
613
614         void file_open ()
615         {
616                 auto d = wxStandardPaths::Get().GetDocumentsDir();
617                 if (Config::instance()->last_player_load_directory()) {
618                         d = std_to_wx (Config::instance()->last_player_load_directory()->string());
619                 }
620
621                 auto c = make_wx<wxDirDialog>(this, _("Select DCP to open"), d, wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST);
622
623                 int r;
624                 while (true) {
625                         r = c->ShowModal ();
626                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
627                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
628                         } else {
629                                 break;
630                         }
631                 }
632
633                 if (r == wxID_OK) {
634                         boost::filesystem::path const dcp (wx_to_std (c->GetPath ()));
635                         load_dcp (dcp);
636                         Config::instance()->set_last_player_load_directory (dcp.parent_path());
637                 }
638         }
639
640         void file_add_ov ()
641         {
642                 auto initial_dir = wxStandardPaths::Get().GetDocumentsDir();
643                 if (Config::instance()->last_player_load_directory()) {
644                         initial_dir = std_to_wx(Config::instance()->last_player_load_directory()->string());
645                 }
646
647                 auto c = make_wx<wxDirDialog>(
648                         this,
649                         _("Select DCP to open as OV"),
650                         initial_dir,
651                         wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST
652                         );
653
654                 int r;
655                 while (true) {
656                         r = c->ShowModal ();
657                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
658                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
659                         } else {
660                                 break;
661                         }
662                 }
663
664                 if (r == wxID_OK) {
665                         DCPOMATIC_ASSERT (_film);
666                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
667                         DCPOMATIC_ASSERT (dcp);
668                         dcp->add_ov (wx_to_std(c->GetPath()));
669                         JobManager::instance()->add(make_shared<ExamineContentJob>(_film, dcp));
670                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
671                         if (!ok || !report_errors_from_last_job(this)) {
672                                 return;
673                         }
674                         for (auto i: dcp->text) {
675                                 i->set_use (true);
676                         }
677                         if (dcp->video) {
678                                 auto const r = Ratio::nearest_from_ratio(dcp->video->size().ratio());
679                                 if (r) {
680                                         _film->set_container(r);
681                                 }
682                         }
683                 }
684
685                 _info->triggered_update ();
686         }
687
688         void file_add_kdm ()
689         {
690                 auto d = make_wx<wxFileDialog>(this, _("Select KDM"));
691
692                 if (d->ShowModal() == wxID_OK) {
693                         DCPOMATIC_ASSERT (_film);
694                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
695                         DCPOMATIC_ASSERT (dcp);
696                         try {
697                                 if (dcp) {
698                                         _viewer.set_coalesce_player_changes(true);
699                                         dcp->add_kdm (dcp::EncryptedKDM(dcp::file_to_string(wx_to_std(d->GetPath()), MAX_KDM_SIZE)));
700                                         examine_content();
701                                         _viewer.set_coalesce_player_changes(false);
702                                 }
703                         } catch (exception& e) {
704                                 error_dialog (this, wxString::Format (_("Could not load KDM.")), std_to_wx(e.what()));
705                                 return;
706                         }
707                 }
708
709                 _info->triggered_update ();
710         }
711
712         void file_save_frame ()
713         {
714                 wxFileDialog dialog (this, _("Save frame to file"), "", "", "PNG files (*.png)|*.png|JPEG files (*.jpg,*.jpeg)|*.jpg,*.jpeg", wxFD_SAVE | wxFD_OVERWRITE_PROMPT);
715                 if (dialog.ShowModal() == wxID_CANCEL) {
716                         return;
717                 }
718
719                 auto path = boost::filesystem::path (wx_to_std(dialog.GetPath()));
720
721                 auto player = make_shared<Player>(_film, Image::Alignment::PADDED);
722                 player->seek(_viewer.position(), true);
723
724                 bool done = false;
725                 player->Video.connect ([path, &done, this](shared_ptr<PlayerVideo> video, DCPTime) {
726                         auto ext = boost::algorithm::to_lower_copy(path.extension().string());
727                         if (ext == ".png") {
728                                 auto image = video->image(boost::bind(PlayerVideo::force, AV_PIX_FMT_RGBA), VideoRange::FULL, false);
729                                 image_as_png(image).write(path);
730                         } else if (ext == ".jpg" || ext == ".jpeg") {
731                                 auto image = video->image(boost::bind(PlayerVideo::force, AV_PIX_FMT_RGB24), VideoRange::FULL, false);
732                                 image_as_jpeg(image, 80).write(path);
733                         } else {
734                                 error_dialog (this, _(wxString::Format("Unrecognised file extension %s (use .jpg, .jpeg or .png)", std_to_wx(ext))));
735                         }
736                         done = true;
737                 });
738
739                 int tries_left = 50;
740                 while (!done && tries_left >= 0) {
741                         player->pass();
742                         --tries_left;
743                 }
744
745                 DCPOMATIC_ASSERT (tries_left >= 0);
746         }
747
748         void file_history (wxCommandEvent& event)
749         {
750                 auto history = Config::instance()->player_history ();
751                 int n = event.GetId() - ID_file_history;
752                 if (n >= 0 && n < static_cast<int> (history.size ())) {
753                         try {
754                                 load_dcp (history[n]);
755                         } catch (exception& e) {
756                                 error_dialog (0, std_to_wx(String::compose(wx_to_std(_("Could not load DCP %1.")), history[n])), std_to_wx(e.what()));
757                         }
758                 }
759         }
760
761         void file_close ()
762         {
763                 reset_film ();
764                 _info->triggered_update ();
765                 set_menu_sensitivity ();
766         }
767
768         void file_exit ()
769         {
770                 Close ();
771         }
772
773         void edit_preferences ()
774         {
775                 if (!Config::instance()->have_write_permission()) {
776                         return;
777                 }
778
779                 if (!_config_dialog) {
780                         _config_dialog = create_player_config_dialog ();
781                 }
782                 _config_dialog->Show (this);
783         }
784
785         void view_cpl (wxCommandEvent& ev)
786         {
787                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
788                 DCPOMATIC_ASSERT (dcp);
789                 auto cpls = dcp::find_and_resolve_cpls (dcp->directories(), true);
790                 int id = ev.GetId() - ID_view_cpl;
791                 DCPOMATIC_ASSERT (id >= 0);
792                 DCPOMATIC_ASSERT (id < int(cpls.size()));
793                 auto i = cpls.begin();
794                 while (id > 0) {
795                         ++i;
796                         --id;
797                 }
798
799                 _viewer.set_coalesce_player_changes(true);
800                 dcp->set_cpl ((*i)->id());
801                 examine_content ();
802                 _viewer.set_coalesce_player_changes(false);
803
804                 _info->triggered_update ();
805         }
806
807         void view_full_screen ()
808         {
809                 if (_mode == Config::PLAYER_MODE_FULL) {
810                         _mode = Config::PLAYER_MODE_WINDOW;
811                 } else {
812                         _mode = Config::PLAYER_MODE_FULL;
813                 }
814                 setup_screen ();
815                 setup_menu ();
816         }
817
818         void view_dual_screen ()
819         {
820                 if (_mode == Config::PLAYER_MODE_DUAL) {
821                         _mode = Config::PLAYER_MODE_WINDOW;
822                 } else {
823                         _mode = Config::PLAYER_MODE_DUAL;
824                 }
825                 setup_screen ();
826                 setup_menu ();
827         }
828
829         void setup_menu ()
830         {
831                 if (_view_full_screen) {
832                         _view_full_screen->Check (_mode == Config::PLAYER_MODE_FULL);
833                 }
834                 if (_view_dual_screen) {
835                         _view_dual_screen->Check (_mode == Config::PLAYER_MODE_DUAL);
836                 }
837         }
838
839         void setup_screen ()
840         {
841                 _controls->Show (_mode != Config::PLAYER_MODE_FULL);
842                 _info->Show (_mode != Config::PLAYER_MODE_FULL);
843                 _overall_panel->SetBackgroundColour (_mode == Config::PLAYER_MODE_FULL ? wxColour(0, 0, 0) : wxNullColour);
844                 ShowFullScreen (_mode == Config::PLAYER_MODE_FULL);
845                 _viewer.set_pad_black(_mode != Config::PLAYER_MODE_WINDOW);
846
847                 if (_mode == Config::PLAYER_MODE_DUAL) {
848                         _dual_screen = new wxFrame (this, wxID_ANY, wxT(""));
849                         _dual_screen->SetBackgroundColour (wxColour(0, 0, 0));
850                         _dual_screen->ShowFullScreen (true);
851                         _viewer.panel()->Reparent(_dual_screen);
852                         _viewer.panel()->SetFocus();
853                         _dual_screen->Show ();
854                         if (wxDisplay::GetCount() > 1) {
855                                 switch (Config::instance()->image_display()) {
856                                 case 0:
857                                         _dual_screen->Move (0, 0);
858                                         Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
859                                         break;
860                                 case 1:
861                                         _dual_screen->Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
862                                         // (0, 0) doesn't seem to work for some strange reason
863                                         Move (8, 8);
864                                         break;
865                                 }
866                         }
867                         _dual_screen->Bind(wxEVT_CHAR_HOOK, boost::bind(&DOMFrame::dual_screen_key_press, this, _1));
868                 } else {
869                         if (_dual_screen) {
870                                 _viewer.panel()->Reparent(_overall_panel);
871                                 _dual_screen->Destroy ();
872                                 _dual_screen = 0;
873                         }
874                 }
875
876                 setup_main_sizer (_mode);
877         }
878
879         void dual_screen_key_press(wxKeyEvent& ev)
880         {
881                 if (ev.GetKeyCode() == WXK_F11) {
882                         if (ev.ShiftDown()) {
883                                 view_dual_screen();
884                         } else if (!ev.HasAnyModifiers()) {
885                                 view_full_screen();
886                         }
887                 }
888         }
889
890         void view_closed_captions ()
891         {
892                 _viewer.show_closed_captions();
893         }
894
895         void tools_verify ()
896         {
897                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
898                 DCPOMATIC_ASSERT (dcp);
899
900                 auto job = make_shared<VerifyDCPJob>(dcp->directories());
901                 auto progress = new VerifyDCPProgressDialog(this, _("DCP-o-matic Player"));
902                 bool const completed = progress->run (job);
903                 progress->Destroy ();
904                 if (!completed) {
905                         return;
906                 }
907
908                 auto d = new VerifyDCPDialog (this, job);
909                 d->ShowModal ();
910                 d->Destroy ();
911         }
912
913         void tools_check_for_updates ()
914         {
915                 UpdateChecker::instance()->run ();
916                 _update_news_requested = true;
917         }
918
919         void tools_timing ()
920         {
921                 auto d = new TimerDisplay(this, _viewer.state_timer(), _viewer.gets());
922                 d->ShowModal ();
923                 d->Destroy ();
924         }
925
926         void tools_system_information ()
927         {
928                 if (!_system_information_dialog) {
929                         _system_information_dialog = new SystemInformationDialog (this, _viewer);
930                 }
931
932                 _system_information_dialog->Show ();
933         }
934
935         void help_about ()
936         {
937                 auto d = new AboutDialog (this);
938                 d->ShowModal ();
939                 d->Destroy ();
940         }
941
942         void help_report_a_problem ()
943         {
944                 auto d = new ReportProblemDialog (this);
945                 if (d->ShowModal () == wxID_OK) {
946                         d->report ();
947                 }
948                 d->Destroy ();
949         }
950
951         void update_checker_state_changed ()
952         {
953                 auto uc = UpdateChecker::instance ();
954
955                 bool const announce =
956                         _update_news_requested ||
957                         (uc->stable() && Config::instance()->check_for_updates()) ||
958                         (uc->test() && Config::instance()->check_for_updates() && Config::instance()->check_for_test_updates());
959
960                 _update_news_requested = false;
961
962                 if (!announce) {
963                         return;
964                 }
965
966                 if (uc->state() == UpdateChecker::State::YES) {
967                         auto dialog = new UpdateDialog (this, uc->stable (), uc->test ());
968                         dialog->ShowModal ();
969                         dialog->Destroy ();
970                 } else if (uc->state() == UpdateChecker::State::FAILED) {
971                         error_dialog (this, _("The DCP-o-matic download server could not be contacted."));
972                 } else {
973                         error_dialog (this, _("There are no new versions of DCP-o-matic available."));
974                 }
975
976                 _update_news_requested = false;
977         }
978
979         void config_changed (Config::Property prop)
980         {
981                 /* Instantly save any config changes when using the player GUI */
982                 try {
983                         Config::instance()->write_config();
984                 } catch (FileError& e) {
985                         if (prop != Config::HISTORY) {
986                                 error_dialog (
987                                         this,
988                                         wxString::Format(
989                                                 _("Could not write to config file at %s.  Your changes have not been saved."),
990                                                 std_to_wx(e.file().string())
991                                                 )
992                                         );
993                         }
994                 } catch (exception& e) {
995                         error_dialog (
996                                 this,
997                                 _("Could not write to config file.  Your changes have not been saved.")
998                                 );
999                 }
1000
1001                 update_from_config (prop);
1002         }
1003
1004         void update_from_config (Config::Property prop)
1005         {
1006                 for (int i = 0; i < _history_items; ++i) {
1007                         delete _file_menu->Remove (ID_file_history + i);
1008                 }
1009
1010                 if (_history_separator) {
1011                         _file_menu->Remove (_history_separator);
1012                 }
1013                 delete _history_separator;
1014                 _history_separator = nullptr;
1015
1016                 int pos = _history_position;
1017
1018                 /* Clear out non-existent history items before we re-build the menu */
1019                 Config::instance()->clean_player_history ();
1020                 auto history = Config::instance()->player_history ();
1021
1022                 if (!history.empty ()) {
1023                         _history_separator = _file_menu->InsertSeparator (pos++);
1024                 }
1025
1026                 for (size_t i = 0; i < history.size(); ++i) {
1027                         string s;
1028                         if (i < 9) {
1029                                 s = String::compose ("&%1 %2", i + 1, history[i].string());
1030                         } else {
1031                                 s = history[i].string();
1032                         }
1033                         _file_menu->Insert (pos++, ID_file_history + i, std_to_wx (s));
1034                 }
1035
1036                 _history_items = history.size ();
1037
1038                 if (prop == Config::PLAYER_DEBUG_LOG) {
1039                         auto p = Config::instance()->player_debug_log_file();
1040                         if (p) {
1041                                 dcpomatic_log = make_shared<FileLog>(*p);
1042                         } else {
1043                                 dcpomatic_log = make_shared<NullLog>();
1044                         }
1045                         dcpomatic_log->set_types (LogEntry::TYPE_GENERAL | LogEntry::TYPE_WARNING | LogEntry::TYPE_ERROR | LogEntry::TYPE_DEBUG_VIDEO_VIEW);
1046                 }
1047         }
1048
1049         void set_menu_sensitivity ()
1050         {
1051                 _tools_verify->Enable (static_cast<bool>(_film));
1052                 _file_add_ov->Enable (static_cast<bool>(_film));
1053                 _file_add_kdm->Enable (static_cast<bool>(_film));
1054                 _file_save_frame->Enable (static_cast<bool>(_film));
1055                 _view_cpl->Enable (static_cast<bool>(_film));
1056         }
1057
1058         void start_stop_pressed ()
1059         {
1060                 if (_viewer.playing()) {
1061                         _viewer.stop();
1062                 } else {
1063                         _viewer.start();
1064                 }
1065         }
1066
1067         void go_back_frame ()
1068         {
1069                 _viewer.seek_by(-_viewer.one_video_frame(), true);
1070         }
1071
1072         void go_forward_frame ()
1073         {
1074                 _viewer.seek_by(_viewer.one_video_frame(), true);
1075         }
1076
1077         void go_seconds (int s)
1078         {
1079                 _viewer.seek_by(DCPTime::from_seconds(s), true);
1080         }
1081
1082         void go_to_start ()
1083         {
1084                 _viewer.seek(DCPTime(), true);
1085         }
1086
1087         void go_to_end ()
1088         {
1089                 _viewer.seek(_film->length() - _viewer.one_video_frame(), true);
1090         }
1091
1092         wxFrame* _dual_screen = nullptr;
1093         bool _update_news_requested = false;
1094         PlayerInformation* _info = nullptr;
1095         Config::PlayerMode _mode;
1096         wxPreferencesEditor* _config_dialog = nullptr;
1097         wxPanel* _overall_panel = nullptr;
1098         wxMenu* _file_menu = nullptr;
1099         wxMenuItem* _view_cpl = nullptr;
1100         wxMenu* _cpl_menu = nullptr;
1101         int _history_items = 0;
1102         int _history_position = 0;
1103         wxMenuItem* _history_separator = nullptr;
1104         FilmViewer _viewer;
1105         Controls* _controls;
1106         SystemInformationDialog* _system_information_dialog = nullptr;
1107         std::shared_ptr<Film> _film;
1108         boost::signals2::scoped_connection _config_changed_connection;
1109         boost::signals2::scoped_connection _examine_job_connection;
1110         wxMenuItem* _file_add_ov = nullptr;
1111         wxMenuItem* _file_add_kdm = nullptr;
1112         wxMenuItem* _file_save_frame = nullptr;
1113         wxMenuItem* _tools_verify = nullptr;
1114         wxMenuItem* _view_full_screen = nullptr;
1115         wxMenuItem* _view_dual_screen = nullptr;
1116         wxSizer* _main_sizer = nullptr;
1117         PlayerStressTester _stress;
1118 };
1119
1120 static const wxCmdLineEntryDesc command_line_description[] = {
1121         { wxCMD_LINE_PARAM, 0, 0, "DCP to load or create", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1122         { wxCMD_LINE_OPTION, "c", "config", "Directory containing config.xml", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1123         { wxCMD_LINE_OPTION, "s", "stress", "File containing description of stress test", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1124         { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
1125 };
1126
1127 class PlayServer : public Server
1128 {
1129 public:
1130         explicit PlayServer (DOMFrame* frame)
1131                 : Server (PLAYER_PLAY_PORT)
1132                 , _frame (frame)
1133         {}
1134
1135         void handle (shared_ptr<Socket> socket) override
1136         {
1137                 try {
1138                         int const length = socket->read_uint32 ();
1139                         scoped_array<char> buffer (new char[length]);
1140                         socket->read (reinterpret_cast<uint8_t*> (buffer.get()), length);
1141                         string s (buffer.get());
1142                         signal_manager->when_idle (bind (&DOMFrame::load_dcp, _frame, s));
1143                         socket->write (reinterpret_cast<uint8_t const *> ("OK"), 3);
1144                 } catch (...) {
1145
1146                 }
1147         }
1148
1149 private:
1150         DOMFrame* _frame;
1151 };
1152
1153 /** @class App
1154  *  @brief The magic App class for wxWidgets.
1155  */
1156 class App : public wxApp
1157 {
1158 public:
1159         App ()
1160                 : wxApp ()
1161         {
1162 #ifdef DCPOMATIC_LINUX
1163                 XInitThreads ();
1164 #endif
1165         }
1166
1167 private:
1168
1169         bool OnInit () override
1170         {
1171                 wxSplashScreen* splash = nullptr;
1172                 try {
1173                         wxInitAllImageHandlers ();
1174
1175                         Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
1176                         Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
1177
1178                         splash = maybe_show_splash ();
1179
1180                         SetAppName (_("DCP-o-matic Player"));
1181
1182                         if (!wxApp::OnInit()) {
1183                                 return false;
1184                         }
1185
1186 #ifdef DCPOMATIC_LINUX
1187                         unsetenv ("UBUNTU_MENUPROXY");
1188 #endif
1189
1190 #ifdef DCPOMATIC_OSX
1191                         make_foreground_application ();
1192 #endif
1193
1194                         dcpomatic_setup_path_encoding ();
1195
1196                         /* Enable i18n; this will create a Config object
1197                            to look for a force-configured language.  This Config
1198                            object will be wrong, however, because dcpomatic_setup
1199                            hasn't yet been called and there aren't any filters etc.
1200                            set up yet.
1201                         */
1202                         dcpomatic_setup_i18n ();
1203
1204                         /* Set things up, including filters etc.
1205                            which will now be internationalised correctly.
1206                         */
1207                         dcpomatic_setup ();
1208
1209                         /* Force the configuration to be re-loaded correctly next
1210                            time it is needed.
1211                         */
1212                         Config::drop ();
1213
1214                         signal_manager = new wxSignalManager (this);
1215
1216                         _frame = new DOMFrame ();
1217                         SetTopWindow (_frame);
1218                         _frame->Maximize ();
1219                         if (splash) {
1220                                 splash->Destroy ();
1221                                 splash = nullptr;
1222                         }
1223                         _frame->Show ();
1224
1225                         try {
1226                                 auto server = new PlayServer (_frame);
1227                                 new thread (boost::bind (&PlayServer::run, server));
1228                         } catch (std::exception& e) {
1229                                 /* This is not the end of the world; probably a failure to bind the server socket
1230                                  * because there's already another player running.
1231                                  */
1232                                 LOG_DEBUG_PLAYER ("Failed to start play server (%1)", e.what());
1233                         }
1234
1235                         if (!_dcp_to_load.empty() && boost::filesystem::is_directory (_dcp_to_load)) {
1236                                 try {
1237                                         _frame->load_dcp (_dcp_to_load);
1238                                 } catch (exception& e) {
1239                                         error_dialog (0, std_to_wx (String::compose (wx_to_std (_("Could not load DCP %1.")), _dcp_to_load)), std_to_wx(e.what()));
1240                                 }
1241                         }
1242
1243                         if (_stress) {
1244                                 try {
1245                                         _frame->load_stress_script (*_stress);
1246                                 } catch (exception& e) {
1247                                         error_dialog (0, wxString::Format("Could not load stress test file %s", std_to_wx(*_stress)));
1248                                 }
1249                         }
1250
1251                         Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
1252
1253                         if (Config::instance()->check_for_updates ()) {
1254                                 UpdateChecker::instance()->run ();
1255                         }
1256                 }
1257                 catch (exception& e)
1258                 {
1259                         if (splash) {
1260                                 splash->Destroy ();
1261                         }
1262                         error_dialog (0, _("DCP-o-matic Player could not start."), std_to_wx(e.what()));
1263                 }
1264
1265                 return true;
1266         }
1267
1268         void OnInitCmdLine (wxCmdLineParser& parser) override
1269         {
1270                 parser.SetDesc (command_line_description);
1271                 parser.SetSwitchChars (wxT ("-"));
1272         }
1273
1274         bool OnCmdLineParsed (wxCmdLineParser& parser) override
1275         {
1276                 if (parser.GetParamCount() > 0) {
1277                         _dcp_to_load = wx_to_std (parser.GetParam (0));
1278                 }
1279
1280                 wxString config;
1281                 if (parser.Found("c", &config)) {
1282                         Config::override_path = wx_to_std (config);
1283                 }
1284                 wxString stress;
1285                 if (parser.Found("s", &stress)) {
1286                         _stress = wx_to_std (stress);
1287                 }
1288
1289                 return true;
1290         }
1291
1292         void report_exception ()
1293         {
1294                 try {
1295                         throw;
1296                 } catch (FileError& e) {
1297                         error_dialog (
1298                                 0,
1299                                 wxString::Format (
1300                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
1301                                         std_to_wx (e.what()),
1302                                         std_to_wx (e.file().string().c_str ())
1303                                         )
1304                                 );
1305                 } catch (exception& e) {
1306                         error_dialog (
1307                                 0,
1308                                 wxString::Format (
1309                                         _("An exception occurred: %s.\n\n") + REPORT_PROBLEM,
1310                                         std_to_wx (e.what ())
1311                                         )
1312                                 );
1313                 } catch (...) {
1314                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
1315                 }
1316         }
1317
1318         /* An unhandled exception has occurred inside the main event loop */
1319         bool OnExceptionInMainLoop () override
1320         {
1321                 report_exception ();
1322                 /* This will terminate the program */
1323                 return false;
1324         }
1325
1326         void OnUnhandledException () override
1327         {
1328                 report_exception ();
1329         }
1330
1331         void idle ()
1332         {
1333                 signal_manager->ui_idle ();
1334         }
1335
1336         void config_failed_to_load ()
1337         {
1338                 message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
1339         }
1340
1341         void config_warning (string m)
1342         {
1343                 message_dialog (_frame, std_to_wx (m));
1344         }
1345
1346         DOMFrame* _frame = nullptr;
1347         string _dcp_to_load;
1348         boost::optional<string> _stress;
1349 };
1350
1351 IMPLEMENT_APP (App)