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 using namespace dcpomatic;
  45
  46 SwaroopControls::SwaroopControls (wxWindow* parent, shared_ptr<FilmViewer> viewer)
  47         : Controls (parent, viewer, false)
  48         , _play_button (new Button(this, _("Play")))
  49         , _pause_button (new Button(this, _("Pause")))
  50         , _stop_button (new Button(this, _("Stop")))
  51         , _next_button (new Button(this, "Next"))
  52         , _previous_button (new Button(this, "Previous"))
  53         , _current_disable_timeline (false)
  54         , _current_disable_next (false)
  55 {
  56         _button_sizer->Add (_previous_button, 0, wxEXPAND);
  57         _button_sizer->Add (_play_button, 0, wxEXPAND);
  58         _button_sizer->Add (_pause_button, 0, wxEXPAND);
  59         _button_sizer->Add (_stop_button, 0, wxEXPAND);
  60         _button_sizer->Add (_next_button, 0, wxEXPAND);
  61
  62         _spl_view = new wxListCtrl (this, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxLC_REPORT | wxLC_NO_HEADER);
  63         _spl_view->AppendColumn (wxT(""), wxLIST_FORMAT_LEFT, 740);
  64
  65         wxBoxSizer* left_sizer = new wxBoxSizer (wxVERTICAL);
  66         wxBoxSizer* e_sizer = new wxBoxSizer (wxHORIZONTAL);
  67
  68         wxFont subheading_font (*wxNORMAL_FONT);
  69         subheading_font.SetWeight (wxFONTWEIGHT_BOLD);
  70
  71         wxBoxSizer* spl_header = new wxBoxSizer (wxHORIZONTAL);
  72         {
  73                 wxStaticText* m = new StaticText (this, "Playlists");
  74                 m->SetFont (subheading_font);
  75                 spl_header->Add (m, 1, wxALIGN_CENTER_VERTICAL);
  76         }
  77         _refresh_spl_view = new Button (this, "Refresh");
  78         spl_header->Add (_refresh_spl_view, 0, wxBOTTOM, DCPOMATIC_SIZER_GAP / 2);
  79
  80         left_sizer->Add (spl_header, 0, wxLEFT | wxRIGHT | wxEXPAND, DCPOMATIC_SIZER_GAP);
  81         left_sizer->Add (_spl_view, 1, wxLEFT | wxRIGHT | wxBOTTOM | wxEXPAND, DCPOMATIC_SIZER_GAP);
  82
  83         _content_view = new ContentView (this);
  84
  85         wxBoxSizer* content_header = new wxBoxSizer (wxHORIZONTAL);
  86         {
  87                 wxStaticText* m = new StaticText (this, "Content");
  88                 m->SetFont (subheading_font);
  89                 content_header->Add (m, 1, wxALIGN_CENTER_VERTICAL);
  90         }
  91         _refresh_content_view = new Button (this, "Refresh");
  92         content_header->Add (_refresh_content_view, 0, wxBOTTOM, DCPOMATIC_SIZER_GAP / 2);
  93
  94         left_sizer->Add (content_header, 0, wxTOP | wxLEFT | wxRIGHT | wxEXPAND, DCPOMATIC_SIZER_GAP);
  95         left_sizer->Add (_content_view, 1, wxLEFT | wxRIGHT | wxBOTTOM | wxEXPAND, DCPOMATIC_SIZER_GAP);
  96
  97         _current_spl_view = new wxListCtrl (this, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxLC_REPORT | wxLC_NO_HEADER);
  98         _current_spl_view->AppendColumn (wxT(""), wxLIST_FORMAT_LEFT, 500);
  99         _current_spl_view->AppendColumn (wxT(""), wxLIST_FORMAT_LEFT, 80);
 100         e_sizer->Add (left_sizer, 1, wxALL | wxEXPAND, DCPOMATIC_SIZER_GAP);
 101         e_sizer->Add (_current_spl_view, 1, wxALL | wxEXPAND, DCPOMATIC_SIZER_GAP);
 102
 103         _v_sizer->Add (e_sizer, 1, wxEXPAND);
 104
 105         _log = new wxTextCtrl (this, wxID_ANY, wxT(""), wxDefaultPosition, wxSize(-1, 200), wxTE_READONLY | wxTE_MULTILINE);
 106         _v_sizer->Add (_log, 0, wxALL | wxEXPAND, DCPOMATIC_SIZER_GAP);
 107
 108         _play_button->Bind     (wxEVT_BUTTON, boost::bind(&SwaroopControls::play_clicked,  this));
 109         _pause_button->Bind    (wxEVT_BUTTON, boost::bind(&SwaroopControls::pause_clicked, this));
 110         _stop_button->Bind     (wxEVT_BUTTON, boost::bind(&SwaroopControls::stop_clicked,  this));
 111         _next_button->Bind     (wxEVT_BUTTON, boost::bind(&SwaroopControls::next_clicked,  this));
 112         _previous_button->Bind (wxEVT_BUTTON, boost::bind(&SwaroopControls::previous_clicked,  this));
 113         _spl_view->Bind        (wxEVT_LIST_ITEM_SELECTED,   boost::bind(&SwaroopControls::spl_selection_changed, this));
 114         _spl_view->Bind        (wxEVT_LIST_ITEM_DESELECTED, boost::bind(&SwaroopControls::spl_selection_changed, this));
 115         _viewer->Finished.connect (boost::bind(&SwaroopControls::viewer_finished, this));
 116         _viewer->PositionChanged.connect (boost::bind(&SwaroopControls::viewer_position_changed, this));
 117         _refresh_spl_view->Bind (wxEVT_BUTTON, boost::bind(&SwaroopControls::update_playlist_directory, this));
 118         _refresh_content_view->Bind (wxEVT_BUTTON, boost::bind(&ContentView::update, _content_view));
 119
 120         _content_view->update ();
 121         update_playlist_directory ();
 122
 123         _viewer->set_background_image (true);
 124 }
 125
 126 void
 127 SwaroopControls::check_restart ()
 128 {
 129         cout << "check_restart called\n";
 130         FILE* f = fopen_boost (Config::path("position"), "r");
 131         if (!f) {
 132                 cout << "could not open position file (" << errno << ")\n";
 133                 return;
 134         }
 135
 136         char id[64];
 137         int index;
 138         int64_t time;
 139         fscanf (f, "%63s %d %ld", id, &index, &time);
 140
 141         cout << "Looking for playlist " << id << " to restart.\n";
 142
 143         for (size_t i = 0; i < _playlists.size(); ++i) {
 144                 if (_playlists[i].id() == id) {
 145                         cout << "Found playlist " << id << "\n";
 146                         select_playlist (i, index);
 147                         update_current_content ();
 148                         _viewer->seek (DCPTime(time), false);
 149                         _viewer->start ();
 150                 }
 151         }
 152
 153         fclose (f);
 154 }
 155
 156 void
 157 SwaroopControls::viewer_position_changed ()
 158 {
 159         if (!_selected_playlist || !_viewer->playing() || _viewer->position().get() % DCPTime::HZ) {
 160                 return;
 161         }
 162
 163         FILE* f = fopen_boost (Config::path("position"), "w");
 164         if (f) {
 165                 string const p = _playlists[*_selected_playlist].id()
 166                         + " " + dcp::raw_convert<string>(_selected_playlist_position)
 167                         + " " + dcp::raw_convert<string>(_viewer->position().get());
 168
 169                 checked_fwrite (p.c_str(), p.length(), f, Config::path("position"));
 170 #ifdef DCPOMATIC_LINUX
 171                 fflush (f);
 172                 fsync (fileno(f));
 173 #endif
 174                 fclose (f);
 175         }
 176 }
 177
 178 void
 179 SwaroopControls::started ()
 180 {
 181         Controls::started ();
 182         _play_button->Enable (false);
 183         _pause_button->Enable (true);
 184         _viewer->set_background_image (false);
 185 }
 186
 187 void
 188 SwaroopControls::stopped ()
 189 {
 190         Controls::stopped ();
 191         _play_button->Enable (true);
 192         _pause_button->Enable (false);
 193 }
 194
 195 void
 196 SwaroopControls::play_clicked ()
 197 {
 198         _viewer->start ();
 199 }
 200
 201 void
 202 SwaroopControls::setup_sensitivity ()
 203 {
 204         Controls::setup_sensitivity ();
 205         bool const active_job = _active_job && *_active_job != "examine_content";
 206         bool const c = _film && !_film->content().empty() && !active_job;
 207         _play_button->Enable (c && !_viewer->playing());
 208         _pause_button->Enable (_viewer->playing());
 209         _slider->Enable (!_current_disable_timeline);
 210         _spl_view->Enable (!_viewer->playing());
 211         _next_button->Enable (!_current_disable_next && can_do_next());
 212         _previous_button->Enable (can_do_previous());
 213 }
 214
 215 void
 216 SwaroopControls::pause_clicked ()
 217 {
 218         _viewer->stop ();
 219 }
 220
 221 void
 222 SwaroopControls::stop_clicked ()
 223 {
 224         _viewer->stop ();
 225         _viewer->seek (DCPTime(), true);
 226         if (_selected_playlist) {
 227                 _selected_playlist_position = 0;
 228                 update_current_content ();
 229         }
 230         _viewer->set_background_image (true);
 231 }
 232
 233 bool
 234 SwaroopControls::can_do_previous ()
 235 {
 236         return _selected_playlist && (_selected_playlist_position - 1) >= 0;
 237 }
 238
 239 void
 240 SwaroopControls::previous_clicked ()
 241 {
 242         if (!can_do_previous ()) {
 243                 return;
 244         }
 245
 246         _selected_playlist_position--;
 247         update_current_content ();
 248 }
 249
 250 bool
 251 SwaroopControls::can_do_next ()
 252 {
 253         return _selected_playlist && (_selected_playlist_position + 1) < int(_playlists[*_selected_playlist].get().size());
 254 }
 255
 256 void
 257 SwaroopControls::next_clicked ()
 258 {
 259         if (!can_do_next ()) {
 260                 return;
 261         }
 262
 263         _selected_playlist_position++;
 264         update_current_content ();
 265 }
 266
 267 void
 268 SwaroopControls::log (wxString s)
 269 {
 270         struct timeval time;
 271         gettimeofday (&time, 0);
 272         char buffer[64];
 273         time_t const sec = time.tv_sec;
 274         struct tm* t = localtime (&sec);
 275         strftime (buffer, 64, "%c", t);
 276         wxString ts = std_to_wx(string(buffer)) + N_(": ");
 277         _log->SetValue(_log->GetValue() + ts + s + "\n");
 278
 279         optional<boost::filesystem::path> log = Config::instance()->player_activity_log_file();
 280         if (!log) {
 281                 return;
 282         }
 283
 284         FILE* f = fopen_boost (*log, "a");
 285         fprintf (f, "%s%s\n", wx_to_std(ts).c_str(), wx_to_std(s).c_str());
 286         fclose (f);
 287 }
 288
 289 void
 290 SwaroopControls::add_playlist_to_list (SPL spl)
 291 {
 292         int const N = _spl_view->GetItemCount();
 293
 294         wxListItem it;
 295         it.SetId(N);
 296         it.SetColumn(0);
 297         string t = spl.name();
 298         if (spl.missing()) {
 299                 t += " (content missing)";
 300         }
 301         it.SetText (std_to_wx(t));
 302         _spl_view->InsertItem (it);
 303 }
 304
 305 struct SPLComparator
 306 {
 307         bool operator() (SPL const & a, SPL const & b) {
 308                 return a.name() < b.name();
 309         }
 310 };
 311
 312 void
 313 SwaroopControls::update_playlist_directory ()
 314 {
 315         using namespace boost::filesystem;
 316
 317         _spl_view->DeleteAllItems ();
 318         optional<path> dir = Config::instance()->player_playlist_directory();
 319         if (!dir) {
 320                 return;
 321         }
 322
 323         _playlists.clear ();
 324
 325         for (directory_iterator i = directory_iterator(*dir); i != directory_iterator(); ++i) {
 326                 try {
 327                         if (is_regular_file(i->path()) && i->path().extension() == ".xml") {
 328                                 SPL spl;
 329                                 spl.read (i->path(), _content_view);
 330                                 _playlists.push_back (spl);
 331                         }
 332                 } catch (exception& e) {
 333                         /* Never mind */
 334                 }
 335         }
 336
 337         sort (_playlists.begin(), _playlists.end(), SPLComparator());
 338         BOOST_FOREACH (SPL i, _playlists) {
 339                 add_playlist_to_list (i);
 340         }
 341
 342         _selected_playlist = boost::none;
 343 }
 344
 345 optional<dcp::EncryptedKDM>
 346 SwaroopControls::get_kdm_from_url (shared_ptr<DCPContent> dcp)
 347 {
 348         ScopedTemporary temp;
 349         string url = Config::instance()->kdm_server_url();
 350         boost::algorithm::replace_all (url, "{CPL}", *dcp->cpl());
 351         optional<dcp::EncryptedKDM> kdm;
 352         if (dcp->cpl() && !get_from_url(url, false, false, temp)) {
 353                 try {
 354                         kdm = dcp::EncryptedKDM (dcp::file_to_string(temp.file()));
 355                         if (kdm->cpl_id() != dcp->cpl()) {
 356                                 kdm = boost::none;
 357                         }
 358                 } catch (std::exception& e) {
 359                         /* Hey well */
 360                 }
 361         }
 362         return kdm;
 363 }
 364
 365 optional<dcp::EncryptedKDM>
 366 SwaroopControls::get_kdm_from_directory (shared_ptr<DCPContent> dcp)
 367 {
 368         using namespace boost::filesystem;
 369         optional<path> kdm_dir = Config::instance()->player_kdm_directory();
 370         if (!kdm_dir) {
 371                 return optional<dcp::EncryptedKDM>();
 372         }
 373         for (directory_iterator i = directory_iterator(*kdm_dir); i != directory_iterator(); ++i) {
 374                 try {
 375                         if (file_size(i->path()) < MAX_KDM_SIZE) {
 376                                 dcp::EncryptedKDM kdm (dcp::file_to_string(i->path()));
 377                                 if (kdm.cpl_id() == dcp->cpl()) {
 378                                         return kdm;
 379                                 }
 380                         }
 381                 } catch (std::exception& e) {
 382                         /* Hey well */
 383                 }
 384         }
 385         return optional<dcp::EncryptedKDM>();
 386 }
 387
 388 void
 389 SwaroopControls::spl_selection_changed ()
 390 {
 391         long int selected = _spl_view->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 392         if (selected == -1) {
 393                 _current_spl_view->DeleteAllItems ();
 394                 _selected_playlist = boost::none;
 395                 return;
 396         }
 397
 398         if (_playlists[selected].missing()) {
 399                 error_dialog (this, "This playlist cannot be loaded as some content is missing.");
 400                 _selected_playlist = boost::none;
 401                 _spl_view->SetItemState (selected, 0, wxLIST_STATE_SELECTED);
 402                 return;
 403         }
 404
 405         if (_playlists[selected].get().empty()) {
 406                 error_dialog (this, "This playlist is empty.");
 407                 return;
 408         }
 409
 410         select_playlist (selected, 0);
 411 }
 412
 413 void
 414 SwaroopControls::select_playlist (int selected, int position)
 415 {
 416         log (wxString::Format("load-playlist %s", std_to_wx(_playlists[selected].name()).data()));
 417
 418         wxProgressDialog dialog (_("DCP-o-matic"), "Loading playlist and KDMs");
 419
 420         BOOST_FOREACH (SPLEntry const & i, _playlists[selected].get()) {
 421                 dialog.Pulse ();
 422                 shared_ptr<DCPContent> dcp = dynamic_pointer_cast<DCPContent> (i.content);
 423                 if (dcp && dcp->needs_kdm()) {
 424                         optional<dcp::EncryptedKDM> kdm;
 425                         kdm = get_kdm_from_url (dcp);
 426                         if (!kdm) {
 427                                 kdm = get_kdm_from_directory (dcp);
 428                         }
 429                         if (kdm) {
 430                                 try {
 431                                         dcp->add_kdm (*kdm);
 432                                         dcp->examine (_film, shared_ptr<Job>());
 433                                 } catch (KDMError& e) {
 434                                         error_dialog (this, "Could not load KDM.");
 435                                 }
 436                         }
 437                         if (dcp->needs_kdm()) {
 438                                 /* We didn't get a KDM for this */
 439                                 error_dialog (this, "This playlist cannot be loaded as a KDM is missing.");
 440                                 _selected_playlist = boost::none;
 441                                 _spl_view->SetItemState (selected, 0, wxLIST_STATE_SELECTED);
 442                                 return;
 443                         }
 444                 }
 445         }
 446
 447         _current_spl_view->DeleteAllItems ();
 448
 449         int N = 0;
 450         BOOST_FOREACH (SPLEntry i, _playlists[selected].get()) {
 451                 wxListItem it;
 452                 it.SetId (N);
 453                 it.SetColumn (0);
 454                 it.SetText (std_to_wx(i.name));
 455                 _current_spl_view->InsertItem (it);
 456                 ++N;
 457         }
 458
 459         _selected_playlist = selected;
 460         _selected_playlist_position = position;
 461         dialog.Pulse ();
 462         reset_film ();
 463         dialog.Pulse ();
 464         update_current_content ();
 465 }
 466
 467 void
 468 SwaroopControls::reset_film ()
 469 {
 470         DCPOMATIC_ASSERT (_selected_playlist);
 471         shared_ptr<Film> film (new Film(optional<boost::filesystem::path>()));
 472         film->add_content (_playlists[*_selected_playlist].get()[_selected_playlist_position].content);
 473         ResetFilm (film);
 474 }
 475
 476 void
 477 SwaroopControls::config_changed (int property)
 478 {
 479         Controls::config_changed (property);
 480
 481         if (property == Config::PLAYER_CONTENT_DIRECTORY) {
 482                 _content_view->update ();
 483         } else if (property == Config::PLAYER_PLAYLIST_DIRECTORY) {
 484                 update_playlist_directory ();
 485         }
 486 }
 487
 488 void
 489 SwaroopControls::set_film (shared_ptr<Film> film)
 490 {
 491         Controls::set_film (film);
 492         setup_sensitivity ();
 493 }
 494
 495 void
 496 SwaroopControls::update_current_content ()
 497 {
 498         DCPOMATIC_ASSERT (_selected_playlist);
 499
 500         wxProgressDialog dialog (_("DCP-o-matic"), "Loading content");
 501
 502         SPLEntry const & e = _playlists[*_selected_playlist].get()[_selected_playlist_position];
 503         _current_disable_timeline = e.disable_timeline;
 504         _current_disable_next = !e.skippable;
 505
 506         setup_sensitivity ();
 507         dialog.Pulse ();
 508         reset_film ();
 509 }
 510
 511 void
 512 SwaroopControls::viewer_finished ()
 513 {
 514         if (!_selected_playlist) {
 515                 return;
 516         }
 517
 518         bool const stop = _playlists[*_selected_playlist].get()[_selected_playlist_position].stop_after_play;
 519
 520         _selected_playlist_position++;
 521         if (_selected_playlist_position < int(_playlists[*_selected_playlist].get().size())) {
 522                 update_current_content ();
 523                 if (!stop) {
 524                         _viewer->start ();
 525                 }
 526         } else {
 527                 _selected_playlist_position = 0;
 528                 _viewer->set_background_image (true);
 529                 ResetFilm (shared_ptr<Film>(new Film(optional<boost::filesystem::path>())));
 530         }
 531 }