src/wx/swaroop_controls.cc

   1 /*
   2     Copyright (C) 2018 Carl Hetherington <cth@carlh.net>
   3
   4     This file is part of DCP-o-matic.
   5
   6     DCP-o-matic is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     DCP-o-matic is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 */
  20
  21 #include "swaroop_controls.h"
  22 #include "film_viewer.h"
  23 #include "wx_util.h"
  24 #include "content_view.h"
  25 #include "dcpomatic_button.h"
  26 #include "static_text.h"
  27 #include "lib/player_video.h"
  28 #include "lib/dcp_content.h"
  29 #include "lib/cross.h"
  30 #include "lib/scoped_temporary.h"
  31 #include "lib/internet.h"
  32 #include <dcp/raw_convert.h>
  33 #include <dcp/exceptions.h>
  34 #include <wx/listctrl.h>
  35 #include <wx/progdlg.h>
  36
  37 using std::string;
  38 using std::cout;
  39 using std::exception;
  40 using std::sort;
  41 using boost::shared_ptr;
  42 using boost::dynamic_pointer_cast;
  43 using boost::optional;
  44
  45 SwaroopControls::SwaroopControls (wxWindow* parent, shared_ptr<FilmViewer> viewer)
  46         : Controls (parent, viewer, false)
  47         , _play_button (new Button(this, _("Play")))
  48         , _pause_button (new Button(this, _("Pause")))
  49         , _stop_button (new Button(this, _("Stop")))
  50         , _next_button (new Button(this, "Next"))
  51         , _previous_button (new Button(this, "Previous"))
  52         , _current_disable_timeline (false)
  53         , _current_disable_next (false)
  54 {
  55         _button_sizer->Add (_previous_button, 0, wxEXPAND);
  56         _button_sizer->Add (_play_button, 0, wxEXPAND);
  57         _button_sizer->Add (_pause_button, 0, wxEXPAND);
  58         _button_sizer->Add (_stop_button, 0, wxEXPAND);
  59         _button_sizer->Add (_next_button, 0, wxEXPAND);
  60
  61         _spl_view = new wxListCtrl (this, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxLC_REPORT | wxLC_NO_HEADER);
  62         _spl_view->AppendColumn (wxT(""), wxLIST_FORMAT_LEFT, 740);
  63
  64         wxBoxSizer* left_sizer = new wxBoxSizer (wxVERTICAL);
  65         wxBoxSizer* e_sizer = new wxBoxSizer (wxHORIZONTAL);
  66
  67         wxFont subheading_font (*wxNORMAL_FONT);
  68         subheading_font.SetWeight (wxFONTWEIGHT_BOLD);
  69
  70         wxBoxSizer* spl_header = new wxBoxSizer (wxHORIZONTAL);
  71         {
  72                 wxStaticText* m = new StaticText (this, "Playlists");
  73                 m->SetFont (subheading_font);
  74                 spl_header->Add (m, 1, wxALIGN_CENTER_VERTICAL);
  75         }
  76         _refresh_spl_view = new Button (this, "Refresh");
  77         spl_header->Add (_refresh_spl_view, 0, wxBOTTOM, DCPOMATIC_SIZER_GAP / 2);
  78
  79         left_sizer->Add (spl_header, 0, wxLEFT | wxRIGHT | wxEXPAND, DCPOMATIC_SIZER_GAP);
  80         left_sizer->Add (_spl_view, 1, wxLEFT | wxRIGHT | wxBOTTOM | wxEXPAND, DCPOMATIC_SIZER_GAP);
  81
  82         _content_view = new ContentView (this);
  83
  84         wxBoxSizer* content_header = new wxBoxSizer (wxHORIZONTAL);
  85         {
  86                 wxStaticText* m = new StaticText (this, "Content");
  87                 m->SetFont (subheading_font);
  88                 content_header->Add (m, 1, wxALIGN_CENTER_VERTICAL);
  89         }
  90         _refresh_content_view = new Button (this, "Refresh");
  91         content_header->Add (_refresh_content_view, 0, wxBOTTOM, DCPOMATIC_SIZER_GAP / 2);
  92
  93         left_sizer->Add (content_header, 0, wxTOP | wxLEFT | wxRIGHT | wxEXPAND, DCPOMATIC_SIZER_GAP);
  94         left_sizer->Add (_content_view, 1, wxLEFT | wxRIGHT | wxBOTTOM | wxEXPAND, DCPOMATIC_SIZER_GAP);
  95
  96         _current_spl_view = new wxListCtrl (this, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxLC_REPORT | wxLC_NO_HEADER);
  97         _current_spl_view->AppendColumn (wxT(""), wxLIST_FORMAT_LEFT, 500);
  98         _current_spl_view->AppendColumn (wxT(""), wxLIST_FORMAT_LEFT, 80);
  99         e_sizer->Add (left_sizer, 1, wxALL | wxEXPAND, DCPOMATIC_SIZER_GAP);
 100         e_sizer->Add (_current_spl_view, 1, wxALL | wxEXPAND, DCPOMATIC_SIZER_GAP);
 101
 102         _v_sizer->Add (e_sizer, 1, wxEXPAND);
 103
 104         _log = new wxTextCtrl (this, wxID_ANY, wxT(""), wxDefaultPosition, wxSize(-1, 200), wxTE_READONLY | wxTE_MULTILINE);
 105         _v_sizer->Add (_log, 0, wxALL | wxEXPAND, DCPOMATIC_SIZER_GAP);
 106
 107         _play_button->Bind     (wxEVT_BUTTON, boost::bind(&SwaroopControls::play_clicked,  this));
 108         _pause_button->Bind    (wxEVT_BUTTON, boost::bind(&SwaroopControls::pause_clicked, this));
 109         _stop_button->Bind     (wxEVT_BUTTON, boost::bind(&SwaroopControls::stop_clicked,  this));
 110         _next_button->Bind     (wxEVT_BUTTON, boost::bind(&SwaroopControls::next_clicked,  this));
 111         _previous_button->Bind (wxEVT_BUTTON, boost::bind(&SwaroopControls::previous_clicked,  this));
 112         _spl_view->Bind        (wxEVT_LIST_ITEM_SELECTED,   boost::bind(&SwaroopControls::spl_selection_changed, this));
 113         _spl_view->Bind        (wxEVT_LIST_ITEM_DESELECTED, boost::bind(&SwaroopControls::spl_selection_changed, this));
 114         _viewer->Finished.connect (boost::bind(&SwaroopControls::viewer_finished, this));
 115         _viewer->PositionChanged.connect (boost::bind(&SwaroopControls::viewer_position_changed, this));
 116         _refresh_spl_view->Bind (wxEVT_BUTTON, boost::bind(&SwaroopControls::update_playlist_directory, this));
 117         _refresh_content_view->Bind (wxEVT_BUTTON, boost::bind(&ContentView::update, _content_view));
 118
 119         _content_view->update ();
 120         update_playlist_directory ();
 121
 122         _viewer->set_background_image (true);
 123 }
 124
 125 void
 126 SwaroopControls::check_restart ()
 127 {
 128         cout << "check_restart called\n";
 129         FILE* f = fopen_boost (Config::path("position"), "r");
 130         if (!f) {
 131                 cout << "could not open position file (" << errno << ")\n";
 132                 return;
 133         }
 134
 135         char id[64];
 136         int index;
 137         int64_t time;
 138         fscanf (f, "%63s %d %ld", id, &index, &time);
 139
 140         cout << "Looking for playlist " << id << " to restart.\n";
 141
 142         for (size_t i = 0; i < _playlists.size(); ++i) {
 143                 if (_playlists[i].id() == id) {
 144                         cout << "Found playlist " << id << "\n";
 145                         select_playlist (i, index);
 146                         update_current_content ();
 147                         _viewer->seek (DCPTime(time), false);
 148                         _viewer->start ();
 149                 }
 150         }
 151
 152         fclose (f);
 153 }
 154
 155 void
 156 SwaroopControls::viewer_position_changed ()
 157 {
 158         if (!_selected_playlist || !_viewer->playing() || _viewer->position().get() % DCPTime::HZ) {
 159                 return;
 160         }
 161
 162         FILE* f = fopen_boost (Config::path("position"), "w");
 163         if (f) {
 164                 string const p = _playlists[*_selected_playlist].id()
 165                         + " " + dcp::raw_convert<string>(_selected_playlist_position)
 166                         + " " + dcp::raw_convert<string>(_viewer->position().get());
 167
 168                 checked_fwrite (p.c_str(), p.length(), f, Config::path("position"));
 169 #ifdef DCPOMATIC_LINUX
 170                 fflush (f);
 171                 fsync (fileno(f));
 172 #endif
 173                 fclose (f);
 174         }
 175 }
 176
 177 void
 178 SwaroopControls::started ()
 179 {
 180         Controls::started ();
 181         _play_button->Enable (false);
 182         _pause_button->Enable (true);
 183         _viewer->set_background_image (false);
 184 }
 185
 186 void
 187 SwaroopControls::stopped ()
 188 {
 189         Controls::stopped ();
 190         _play_button->Enable (true);
 191         _pause_button->Enable (false);
 192 }
 193
 194 void
 195 SwaroopControls::play_clicked ()
 196 {
 197         _viewer->start ();
 198 }
 199
 200 void
 201 SwaroopControls::setup_sensitivity ()
 202 {
 203         Controls::setup_sensitivity ();
 204         bool const active_job = _active_job && *_active_job != "examine_content";
 205         bool const c = _film && !_film->content().empty() && !active_job;
 206         _play_button->Enable (c && !_viewer->playing());
 207         _pause_button->Enable (_viewer->playing());
 208         _slider->Enable (!_current_disable_timeline);
 209         _spl_view->Enable (!_viewer->playing());
 210         _next_button->Enable (!_current_disable_next && can_do_next());
 211         _previous_button->Enable (can_do_previous());
 212 }
 213
 214 void
 215 SwaroopControls::pause_clicked ()
 216 {
 217         _viewer->stop ();
 218 }
 219
 220 void
 221 SwaroopControls::stop_clicked ()
 222 {
 223         _viewer->stop ();
 224         _viewer->seek (DCPTime(), true);
 225         if (_selected_playlist) {
 226                 _selected_playlist_position = 0;
 227                 update_current_content ();
 228         }
 229         _viewer->set_background_image (true);
 230 }
 231
 232 bool
 233 SwaroopControls::can_do_previous ()
 234 {
 235         return _selected_playlist && (_selected_playlist_position - 1) >= 0;
 236 }
 237
 238 void
 239 SwaroopControls::previous_clicked ()
 240 {
 241         if (!can_do_previous ()) {
 242                 return;
 243         }
 244
 245         _selected_playlist_position--;
 246         update_current_content ();
 247 }
 248
 249 bool
 250 SwaroopControls::can_do_next ()
 251 {
 252         return _selected_playlist && (_selected_playlist_position + 1) < int(_playlists[*_selected_playlist].get().size());
 253 }
 254
 255 void
 256 SwaroopControls::next_clicked ()
 257 {
 258         if (!can_do_next ()) {
 259                 return;
 260         }
 261
 262         _selected_playlist_position++;
 263         update_current_content ();
 264 }
 265
 266 void
 267 SwaroopControls::log (wxString s)
 268 {
 269         struct timeval time;
 270         gettimeofday (&time, 0);
 271         char buffer[64];
 272         time_t const sec = time.tv_sec;
 273         struct tm* t = localtime (&sec);
 274         strftime (buffer, 64, "%c", t);
 275         wxString ts = std_to_wx(string(buffer)) + N_(": ");
 276         _log->SetValue(_log->GetValue() + ts + s + "\n");
 277
 278         optional<boost::filesystem::path> log = Config::instance()->player_activity_log_file();
 279         if (!log) {
 280                 return;
 281         }
 282
 283         FILE* f = fopen_boost (*log, "a");
 284         fprintf (f, "%s%s\n", wx_to_std(ts).c_str(), wx_to_std(s).c_str());
 285         fclose (f);
 286 }
 287
 288 void
 289 SwaroopControls::add_playlist_to_list (SPL spl)
 290 {
 291         int const N = _spl_view->GetItemCount();
 292
 293         wxListItem it;
 294         it.SetId(N);
 295         it.SetColumn(0);
 296         string t = spl.name();
 297         if (spl.missing()) {
 298                 t += " (content missing)";
 299         }
 300         it.SetText (std_to_wx(t));
 301         _spl_view->InsertItem (it);
 302 }
 303
 304 struct SPLComparator
 305 {
 306         bool operator() (SPL const & a, SPL const & b) {
 307                 return a.name() < b.name();
 308         }
 309 };
 310
 311 void
 312 SwaroopControls::update_playlist_directory ()
 313 {
 314         using namespace boost::filesystem;
 315
 316         _spl_view->DeleteAllItems ();
 317         optional<path> dir = Config::instance()->player_playlist_directory();
 318         if (!dir) {
 319                 return;
 320         }
 321
 322         _playlists.clear ();
 323
 324         for (directory_iterator i = directory_iterator(*dir); i != directory_iterator(); ++i) {
 325                 try {
 326                         if (is_regular_file(i->path()) && i->path().extension() == ".xml") {
 327                                 SPL spl;
 328                                 spl.read (i->path(), _content_view);
 329                                 _playlists.push_back (spl);
 330                         }
 331                 } catch (exception& e) {
 332                         /* Never mind */
 333                 }
 334         }
 335
 336         sort (_playlists.begin(), _playlists.end(), SPLComparator());
 337         BOOST_FOREACH (SPL i, _playlists) {
 338                 add_playlist_to_list (i);
 339         }
 340
 341         _selected_playlist = boost::none;
 342 }
 343
 344 optional<dcp::EncryptedKDM>
 345 SwaroopControls::get_kdm_from_url (shared_ptr<DCPContent> dcp)
 346 {
 347         ScopedTemporary temp;
 348         string url = Config::instance()->kdm_server_url();
 349         boost::algorithm::replace_all (url, "{CPL}", *dcp->cpl());
 350         optional<dcp::EncryptedKDM> kdm;
 351         if (dcp->cpl() && !get_from_url(url, false, temp)) {
 352                 try {
 353                         kdm = dcp::EncryptedKDM (dcp::file_to_string(temp.file()));
 354                         if (kdm->cpl_id() != dcp->cpl()) {
 355                                 kdm = boost::none;
 356                         }
 357                 } catch (std::exception& e) {
 358                         /* Hey well */
 359                 }
 360         }
 361         return kdm;
 362 }
 363
 364 optional<dcp::EncryptedKDM>
 365 SwaroopControls::get_kdm_from_directory (shared_ptr<DCPContent> dcp)
 366 {
 367         using namespace boost::filesystem;
 368         optional<path> kdm_dir = Config::instance()->player_kdm_directory();
 369         if (!kdm_dir) {
 370                 return optional<dcp::EncryptedKDM>();
 371         }
 372         for (directory_iterator i = directory_iterator(*kdm_dir); i != directory_iterator(); ++i) {
 373                 try {
 374                         if (file_size(i->path()) < MAX_KDM_SIZE) {
 375                                 dcp::EncryptedKDM kdm (dcp::file_to_string(i->path()));
 376                                 if (kdm.cpl_id() == dcp->cpl()) {
 377                                         return kdm;
 378                                 }
 379                         }
 380                 } catch (std::exception& e) {
 381                         /* Hey well */
 382                 }
 383         }
 384         return optional<dcp::EncryptedKDM>();
 385 }
 386
 387 void
 388 SwaroopControls::spl_selection_changed ()
 389 {
 390         long int selected = _spl_view->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 391         if (selected == -1) {
 392                 _current_spl_view->DeleteAllItems ();
 393                 _selected_playlist = boost::none;
 394                 return;
 395         }
 396
 397         if (_playlists[selected].missing()) {
 398                 error_dialog (this, "This playlist cannot be loaded as some content is missing.");
 399                 _selected_playlist = boost::none;
 400                 _spl_view->SetItemState (selected, 0, wxLIST_STATE_SELECTED);
 401                 return;
 402         }
 403
 404         if (_playlists[selected].get().empty()) {
 405                 error_dialog (this, "This playlist is empty.");
 406                 return;
 407         }
 408
 409         select_playlist (selected, 0);
 410 }
 411
 412 void
 413 SwaroopControls::select_playlist (int selected, int position)
 414 {
 415         log (wxString::Format("load-playlist %s", std_to_wx(_playlists[selected].name()).data()));
 416
 417         wxProgressDialog dialog (_("DCP-o-matic"), "Loading playlist and KDMs");
 418
 419         BOOST_FOREACH (SPLEntry const & i, _playlists[selected].get()) {
 420                 dialog.Pulse ();
 421                 shared_ptr<DCPContent> dcp = dynamic_pointer_cast<DCPContent> (i.content);
 422                 if (dcp && dcp->needs_kdm()) {
 423                         optional<dcp::EncryptedKDM> kdm;
 424                         kdm = get_kdm_from_url (dcp);
 425                         if (!kdm) {
 426                                 kdm = get_kdm_from_directory (dcp);
 427                         }
 428                         if (kdm) {
 429                                 try {
 430                                         dcp->add_kdm (*kdm);
 431                                         dcp->examine (_film, shared_ptr<Job>());
 432                                 } catch (KDMError& e) {
 433                                         error_dialog (this, "Could not load KDM.");
 434                                 }
 435                         }
 436                         if (dcp->needs_kdm()) {
 437                                 /* We didn't get a KDM for this */
 438                                 error_dialog (this, "This playlist cannot be loaded as a KDM is missing.");
 439                                 _selected_playlist = boost::none;
 440                                 _spl_view->SetItemState (selected, 0, wxLIST_STATE_SELECTED);
 441                                 return;
 442                         }
 443                 }
 444         }
 445
 446         _current_spl_view->DeleteAllItems ();
 447
 448         int N = 0;
 449         BOOST_FOREACH (SPLEntry i, _playlists[selected].get()) {
 450                 wxListItem it;
 451                 it.SetId (N);
 452                 it.SetColumn (0);
 453                 it.SetText (std_to_wx(i.name));
 454                 _current_spl_view->InsertItem (it);
 455                 ++N;
 456         }
 457
 458         _selected_playlist = selected;
 459         _selected_playlist_position = position;
 460         dialog.Pulse ();
 461         reset_film ();
 462         dialog.Pulse ();
 463         update_current_content ();
 464 }
 465
 466 void
 467 SwaroopControls::reset_film ()
 468 {
 469         DCPOMATIC_ASSERT (_selected_playlist);
 470         shared_ptr<Film> film (new Film(optional<boost::filesystem::path>()));
 471         film->add_content (_playlists[*_selected_playlist].get()[_selected_playlist_position].content);
 472         ResetFilm (film);
 473 }
 474
 475 void
 476 SwaroopControls::config_changed (int property)
 477 {
 478         Controls::config_changed (property);
 479
 480         if (property == Config::PLAYER_CONTENT_DIRECTORY) {
 481                 _content_view->update ();
 482         } else if (property == Config::PLAYER_PLAYLIST_DIRECTORY) {
 483                 update_playlist_directory ();
 484         }
 485 }
 486
 487 void
 488 SwaroopControls::set_film (shared_ptr<Film> film)
 489 {
 490         Controls::set_film (film);
 491         setup_sensitivity ();
 492 }
 493
 494 void
 495 SwaroopControls::update_current_content ()
 496 {
 497         DCPOMATIC_ASSERT (_selected_playlist);
 498
 499         wxProgressDialog dialog (_("DCP-o-matic"), "Loading content");
 500
 501         SPLEntry const & e = _playlists[*_selected_playlist].get()[_selected_playlist_position];
 502         _current_disable_timeline = e.disable_timeline;
 503         _current_disable_next = !e.skippable;
 504
 505         setup_sensitivity ();
 506         dialog.Pulse ();
 507         reset_film ();
 508 }
 509
 510 void
 511 SwaroopControls::viewer_finished ()
 512 {
 513         if (!_selected_playlist) {
 514                 return;
 515         }
 516
 517         bool const stop = _playlists[*_selected_playlist].get()[_selected_playlist_position].stop_after_play;
 518
 519         _selected_playlist_position++;
 520         if (_selected_playlist_position < int(_playlists[*_selected_playlist].get().size())) {
 521                 update_current_content ();
 522                 if (!stop) {
 523                         _viewer->start ();
 524                 }
 525         } else {
 526                 _selected_playlist_position = 0;
 527                 _viewer->set_background_image (true);
 528                 ResetFilm (shared_ptr<Film>(new Film(optional<boost::filesystem::path>())));
 529         }
 530 }