Go back to time 0 when loading a new DCP into the player (#1152).
[dcpomatic.git] / src / tools / dcpomatic_player.cc
1 /*
2     Copyright (C) 2017 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 "lib/cross.h"
22 #include "lib/config.h"
23 #include "lib/util.h"
24 #include "lib/update_checker.h"
25 #include "lib/compose.hpp"
26 #include "lib/dcp_content.h"
27 #include "lib/job_manager.h"
28 #include "lib/job.h"
29 #include "lib/video_content.h"
30 #include "lib/subtitle_content.h"
31 #include "wx/wx_signal_manager.h"
32 #include "wx/wx_util.h"
33 #include "wx/about_dialog.h"
34 #include "wx/report_problem_dialog.h"
35 #include "wx/film_viewer.h"
36 #include "wx/player_information.h"
37 #include "wx/update_dialog.h"
38 #include "wx/player_config_dialog.h"
39 #include <wx/wx.h>
40 #include <wx/stdpaths.h>
41 #include <wx/splash.h>
42 #include <wx/cmdline.h>
43 #include <wx/preferences.h>
44 #include <wx/progdlg.h>
45 #ifdef __WXOSX__
46 #include <ApplicationServices/ApplicationServices.h>
47 #endif
48 #include <boost/bind.hpp>
49 #include <iostream>
50
51 #ifdef check
52 #undef check
53 #endif
54
55 using std::string;
56 using std::cout;
57 using std::exception;
58 using boost::shared_ptr;
59 using boost::optional;
60
61 enum {
62         ID_file_open = 1,
63         ID_file_add_ov,
64         ID_file_add_kdm,
65         ID_file_close,
66         ID_view_scale_appropriate,
67         ID_view_scale_full,
68         ID_view_scale_half,
69         ID_view_scale_quarter,
70         ID_help_report_a_problem,
71         ID_tools_check_for_updates,
72 };
73
74 class DOMFrame : public wxFrame
75 {
76 public:
77         DOMFrame ()
78                 : wxFrame (0, -1, _("DCP-o-matic Player"))
79                 , _update_news_requested (false)
80                 , _info (0)
81                 , _config_dialog (0)
82                 , _viewer (0)
83         {
84
85 #if defined(DCPOMATIC_WINDOWS)
86                 maybe_open_console ();
87                 cout << "DCP-o-matic Player is starting." << "\n";
88 #endif
89
90                 wxMenuBar* bar = new wxMenuBar;
91                 setup_menu (bar);
92                 SetMenuBar (bar);
93
94 #ifdef DCPOMATIC_WINDOWS
95                 SetIcon (wxIcon (std_to_wx ("id")));
96 #endif
97
98                 _config_changed_connection = Config::instance()->Changed.connect (boost::bind (&DOMFrame::config_changed, this));
99
100                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_open, this), ID_file_open);
101                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_ov, this), ID_file_add_ov);
102                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_kdm, this), ID_file_add_kdm);
103                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_close, this), ID_file_close);
104                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this), wxID_EXIT);
105                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this), wxID_PREFERENCES);
106                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>()), ID_view_scale_appropriate);
107                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(0)), ID_view_scale_full);
108                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(1)), ID_view_scale_half);
109                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(2)), ID_view_scale_quarter);
110                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this), wxID_ABOUT);
111                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this), ID_help_report_a_problem);
112                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_check_for_updates, this), ID_tools_check_for_updates);
113
114                 /* Use a panel as the only child of the Frame so that we avoid
115                    the dark-grey background on Windows.
116                 */
117                 wxPanel* overall_panel = new wxPanel (this, wxID_ANY);
118
119                 _viewer = new FilmViewer (overall_panel, false, false);
120                 _info = new PlayerInformation (overall_panel, _viewer);
121                 wxSizer* main_sizer = new wxBoxSizer (wxVERTICAL);
122                 main_sizer->Add (_viewer, 1, wxEXPAND | wxALL, 6);
123                 main_sizer->Add (_info, 0, wxEXPAND | wxALL, 6);
124                 overall_panel->SetSizer (main_sizer);
125
126                 UpdateChecker::instance()->StateChanged.connect (boost::bind (&DOMFrame::update_checker_state_changed, this));
127         }
128
129         void set_decode_reduction (optional<int> reduction)
130         {
131                 _viewer->set_dcp_decode_reduction (reduction);
132                 _info->triggered_update ();
133         }
134
135         void load_dcp (boost::filesystem::path dir)
136         {
137                 _film.reset (new Film (optional<boost::filesystem::path>()));
138                 shared_ptr<DCPContent> dcp (new DCPContent (_film, dir));
139                 _film->examine_and_add_content (dcp, true);
140
141                 JobManager* jm = JobManager::instance ();
142
143                 wxProgressDialog* progress = new wxProgressDialog (_("DCP-o-matic Player"), _("Loading DCP"));
144
145                 while (jm->work_to_do() || signal_manager->ui_idle()) {
146                         dcpomatic_sleep (1);
147                         progress->Pulse ();
148                 }
149
150                 progress->Destroy ();
151
152                 DCPOMATIC_ASSERT (!jm->get().empty());
153
154                 shared_ptr<Job> last = jm->get().back();
155                 if (last->finished_in_error()) {
156                         error_dialog (this, std_to_wx (last->error_summary()) + ".\n");
157                         return;
158                 }
159
160                 if (dcp->subtitle) {
161                         dcp->subtitle->set_use (true);
162                 }
163
164                 _viewer->set_film (_film);
165                 _viewer->set_position (DCPTime ());
166                 _info->triggered_update ();
167         }
168
169 private:
170
171         void setup_menu (wxMenuBar* m)
172         {
173                 wxMenu* file = new wxMenu;
174                 file->Append (ID_file_open, _("&Open...\tCtrl-O"));
175                 file->Append (ID_file_add_ov, _("&Add OV..."));
176                 file->Append (ID_file_add_kdm, _("&Add KDM..."));
177                 file->AppendSeparator ();
178                 file->Append (ID_file_close, _("&Close"));
179                 file->AppendSeparator ();
180
181 #ifdef __WXOSX__
182                 file->Append (wxID_EXIT, _("&Exit"));
183 #else
184                 file->Append (wxID_EXIT, _("&Quit"));
185 #endif
186
187 #ifdef __WXOSX__
188                 file->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
189 #else
190                 wxMenu* edit = new wxMenu;
191                 edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
192 #endif
193
194                 wxMenu* view = new wxMenu;
195                 view->AppendRadioItem (ID_view_scale_appropriate, _("Set decode resolution to match display"));
196                 view->AppendRadioItem (ID_view_scale_full, _("Decode at full resolution"));
197                 view->AppendRadioItem (ID_view_scale_half, _("Decode at half resolution"));
198                 view->AppendRadioItem (ID_view_scale_quarter, _("Decode at quarter resolution"));
199
200                 wxMenu* tools = new wxMenu;
201                 tools->Append (ID_tools_check_for_updates, _("Check for updates"));
202
203                 wxMenu* help = new wxMenu;
204 #ifdef __WXOSX__
205                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
206 #else
207                 help->Append (wxID_ABOUT, _("About"));
208 #endif
209                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
210
211                 m->Append (file, _("&File"));
212 #ifndef __WXOSX__
213                 m->Append (edit, _("&Edit"));
214 #endif
215                 m->Append (view, _("&View"));
216                 m->Append (tools, _("&Tools"));
217                 m->Append (help, _("&Help"));
218         }
219
220         void file_open ()
221         {
222                 wxString d = wxStandardPaths::Get().GetDocumentsDir();
223                 if (Config::instance()->last_player_load_directory()) {
224                         d = std_to_wx (Config::instance()->last_player_load_directory()->string());
225                 }
226
227                 wxDirDialog* c = new wxDirDialog (this, _("Select DCP to open"), d, wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST);
228
229                 int r;
230                 while (true) {
231                         r = c->ShowModal ();
232                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
233                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
234                         } else {
235                                 break;
236                         }
237                 }
238
239                 if (r == wxID_OK) {
240                         boost::filesystem::path const dcp (wx_to_std (c->GetPath ()));
241                         load_dcp (dcp);
242                         Config::instance()->set_last_player_load_directory (dcp.parent_path());
243                 }
244
245                 c->Destroy ();
246         }
247
248         void file_add_ov ()
249         {
250                 wxDirDialog* c = new wxDirDialog (
251                         this,
252                         _("Select DCP to open as OV"),
253                         wxStandardPaths::Get().GetDocumentsDir(),
254                         wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST
255                         );
256
257                 int r;
258                 while (true) {
259                         r = c->ShowModal ();
260                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
261                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
262                         } else {
263                                 break;
264                         }
265                 }
266
267                 if (r == wxID_OK) {
268                         shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
269                         DCPOMATIC_ASSERT (dcp);
270                         dcp->add_ov (wx_to_std(c->GetPath()));
271                         dcp->examine (shared_ptr<Job>());
272                 }
273
274                 c->Destroy ();
275                 _info->triggered_update ();
276         }
277
278         void file_add_kdm ()
279         {
280                 wxFileDialog* d = new wxFileDialog (this, _("Select KDM"));
281
282                 if (d->ShowModal() == wxID_OK) {
283                         shared_ptr<DCPContent> dcp = boost::dynamic_pointer_cast<DCPContent>(_film->content().front());
284                         DCPOMATIC_ASSERT (dcp);
285                         try {
286                                 dcp->add_kdm (dcp::EncryptedKDM (dcp::file_to_string (wx_to_std (d->GetPath ()), MAX_KDM_SIZE)));
287                         } catch (exception& e) {
288                                 error_dialog (this, wxString::Format (_("Could not load KDM (%s)"), std_to_wx(e.what())));
289                                 d->Destroy ();
290                                 return;
291                         }
292
293                         dcp->examine (shared_ptr<Job>());
294                 }
295
296                 d->Destroy ();
297                 _info->triggered_update ();
298         }
299
300         void file_close ()
301         {
302                 _viewer->set_film (shared_ptr<Film>());
303                 _info->triggered_update ();
304         }
305
306         void file_exit ()
307         {
308                 Close ();
309         }
310
311         void edit_preferences ()
312         {
313                 if (!_config_dialog) {
314                         _config_dialog = create_player_config_dialog ();
315                 }
316                 _config_dialog->Show (this);
317         }
318
319         void tools_check_for_updates ()
320         {
321                 UpdateChecker::instance()->run ();
322                 _update_news_requested = true;
323         }
324
325         void help_about ()
326         {
327                 AboutDialog* d = new AboutDialog (this);
328                 d->ShowModal ();
329                 d->Destroy ();
330         }
331
332         void help_report_a_problem ()
333         {
334                 ReportProblemDialog* d = new ReportProblemDialog (this);
335                 if (d->ShowModal () == wxID_OK) {
336                         d->report ();
337                 }
338                 d->Destroy ();
339         }
340
341         void update_checker_state_changed ()
342         {
343                 UpdateChecker* uc = UpdateChecker::instance ();
344
345                 bool const announce =
346                         _update_news_requested ||
347                         (uc->stable() && Config::instance()->check_for_updates()) ||
348                         (uc->test() && Config::instance()->check_for_updates() && Config::instance()->check_for_test_updates());
349
350                 _update_news_requested = false;
351
352                 if (!announce) {
353                         return;
354                 }
355
356                 if (uc->state() == UpdateChecker::YES) {
357                         UpdateDialog* dialog = new UpdateDialog (this, uc->stable (), uc->test ());
358                         dialog->ShowModal ();
359                         dialog->Destroy ();
360                 } else if (uc->state() == UpdateChecker::FAILED) {
361                         error_dialog (this, _("The DCP-o-matic download server could not be contacted."));
362                 } else {
363                         error_dialog (this, _("There are no new versions of DCP-o-matic available."));
364                 }
365
366                 _update_news_requested = false;
367         }
368
369         void config_changed ()
370         {
371                 /* Instantly save any config changes when using the player GUI */
372                 try {
373                         Config::instance()->write_config();
374                 } catch (exception& e) {
375                         error_dialog (
376                                 this,
377                                 wxString::Format (
378                                         _("Could not write to config file at %s.  Your changes have not been saved."),
379                                         std_to_wx (Config::instance()->cinemas_file().string()).data()
380                                         )
381                                 );
382                 }
383         }
384
385         bool _update_news_requested;
386         PlayerInformation* _info;
387         wxPreferencesEditor* _config_dialog;
388         FilmViewer* _viewer;
389         boost::shared_ptr<Film> _film;
390         boost::signals2::scoped_connection _config_changed_connection;
391 };
392
393 static const wxCmdLineEntryDesc command_line_description[] = {
394         { wxCMD_LINE_PARAM, 0, 0, "DCP to load or create", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
395         { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
396 };
397
398 /** @class App
399  *  @brief The magic App class for wxWidgets.
400  */
401 class App : public wxApp
402 {
403 public:
404         App ()
405                 : wxApp ()
406                 , _frame (0)
407         {}
408
409 private:
410
411         bool OnInit ()
412         try
413         {
414                 wxInitAllImageHandlers ();
415
416                 Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
417
418                 wxSplashScreen* splash = 0;
419                 try {
420                         if (!Config::have_existing ("config.xml")) {
421                                 wxBitmap bitmap;
422                                 boost::filesystem::path p = shared_path () / "splash.png";
423                                 if (bitmap.LoadFile (std_to_wx (p.string ()), wxBITMAP_TYPE_PNG)) {
424                                         splash = new wxSplashScreen (bitmap, wxSPLASH_CENTRE_ON_SCREEN | wxSPLASH_NO_TIMEOUT, 0, 0, -1);
425                                         wxYield ();
426                                 }
427                         }
428                 } catch (boost::filesystem::filesystem_error& e) {
429                         /* Maybe we couldn't find the splash image; never mind */
430                 }
431
432                 SetAppName (_("DCP-o-matic Player"));
433
434                 if (!wxApp::OnInit()) {
435                         return false;
436                 }
437
438 #ifdef DCPOMATIC_LINUX
439                 unsetenv ("UBUNTU_MENUPROXY");
440 #endif
441
442 #ifdef __WXOSX__
443                 ProcessSerialNumber serial;
444                 GetCurrentProcess (&serial);
445                 TransformProcessType (&serial, kProcessTransformToForegroundApplication);
446 #endif
447
448                 dcpomatic_setup_path_encoding ();
449
450                 /* Enable i18n; this will create a Config object
451                    to look for a force-configured language.  This Config
452                    object will be wrong, however, because dcpomatic_setup
453                    hasn't yet been called and there aren't any filters etc.
454                    set up yet.
455                 */
456                 dcpomatic_setup_i18n ();
457
458                 /* Set things up, including filters etc.
459                    which will now be internationalised correctly.
460                 */
461                 dcpomatic_setup ();
462
463                 /* Force the configuration to be re-loaded correctly next
464                    time it is needed.
465                 */
466                 Config::drop ();
467
468                 _frame = new DOMFrame ();
469                 SetTopWindow (_frame);
470                 _frame->Maximize ();
471                 if (splash) {
472                         splash->Destroy ();
473                 }
474                 _frame->Show ();
475
476                 signal_manager = new wxSignalManager (this);
477
478                 if (!_dcp_to_load.empty() && boost::filesystem::is_directory (_dcp_to_load)) {
479                         try {
480                                 _frame->load_dcp (_dcp_to_load);
481                         } catch (exception& e) {
482                                 error_dialog (0, std_to_wx (String::compose (wx_to_std (_("Could not load DCP %1 (%2)")), _dcp_to_load, e.what())));
483                         }
484                 }
485
486                 Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
487
488                 if (Config::instance()->check_for_updates ()) {
489                         UpdateChecker::instance()->run ();
490                 }
491
492                 return true;
493         }
494         catch (exception& e)
495         {
496                 error_dialog (0, wxString::Format ("DCP-o-matic Player could not start: %s", std_to_wx(e.what())));
497                 return true;
498         }
499
500         void OnInitCmdLine (wxCmdLineParser& parser)
501         {
502                 parser.SetDesc (command_line_description);
503                 parser.SetSwitchChars (wxT ("-"));
504         }
505
506         bool OnCmdLineParsed (wxCmdLineParser& parser)
507         {
508                 if (parser.GetParamCount() > 0) {
509                         _dcp_to_load = wx_to_std (parser.GetParam (0));
510                 }
511
512                 return true;
513         }
514
515         void report_exception ()
516         {
517                 try {
518                         throw;
519                 } catch (FileError& e) {
520                         error_dialog (
521                                 0,
522                                 wxString::Format (
523                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
524                                         std_to_wx (e.what()),
525                                         std_to_wx (e.file().string().c_str ())
526                                         )
527                                 );
528                 } catch (exception& e) {
529                         error_dialog (
530                                 0,
531                                 wxString::Format (
532                                         _("An exception occurred: %s.\n\n") + REPORT_PROBLEM,
533                                         std_to_wx (e.what ())
534                                         )
535                                 );
536                 } catch (...) {
537                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
538                 }
539         }
540
541         /* An unhandled exception has occurred inside the main event loop */
542         bool OnExceptionInMainLoop ()
543         {
544                 report_exception ();
545                 /* This will terminate the program */
546                 return false;
547         }
548
549         void OnUnhandledException ()
550         {
551                 report_exception ();
552         }
553
554         void idle ()
555         {
556                 signal_manager->ui_idle ();
557         }
558
559         void config_failed_to_load ()
560         {
561                 message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
562         }
563
564         DOMFrame* _frame;
565         string _dcp_to_load;
566 };
567
568 IMPLEMENT_APP (App)