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                 fsync (fileno(f));
 171 #endif
 172                 fclose (f);
 173         }
 174 }
 175
 176 void
 177 SwaroopControls::started ()
 178 {
 179         Controls::started ();
 180         _play_button->Enable (false);
 181         _pause_button->Enable (true);
 182         _viewer->set_background_image (false);
 183 }
 184
 185 void
 186 SwaroopControls::stopped ()
 187 {
 188         Controls::stopped ();
 189         _play_button->Enable (true);
 190         _pause_button->Enable (false);
 191 }
 192
 193 void
 194 SwaroopControls::play_clicked ()
 195 {
 196         _viewer->start ();
 197 }
 198
 199 void
 200 SwaroopControls::setup_sensitivity ()
 201 {
 202         Controls::setup_sensitivity ();
 203         bool const active_job = _active_job && *_active_job != "examine_content";
 204         bool const c = _film && !_film->content().empty() && !active_job;
 205         _play_button->Enable (c && !_viewer->playing());
 206         _pause_button->Enable (_viewer->playing());
 207         _slider->Enable (!_current_disable_timeline);
 208         _spl_view->Enable (!_viewer->playing());
 209         _next_button->Enable (!_current_disable_next && can_do_next());
 210         _previous_button->Enable (can_do_previous());
 211 }
 212
 213 void
 214 SwaroopControls::pause_clicked ()
 215 {
 216         _viewer->stop ();
 217 }
 218
 219 void
 220 SwaroopControls::stop_clicked ()
 221 {
 222         _viewer->stop ();
 223         _viewer->seek (DCPTime(), true);
 224         if (_selected_playlist) {
 225                 _selected_playlist_position = 0;
 226                 update_current_content ();
 227         }
 228         _viewer->set_background_image (true);
 229 }
 230
 231 bool
 232 SwaroopControls::can_do_previous ()
 233 {
 234         return _selected_playlist && (_selected_playlist_position - 1) >= 0;
 235 }
 236
 237 void
 238 SwaroopControls::previous_clicked ()
 239 {
 240         if (!can_do_previous ()) {
 241                 return;
 242         }
 243
 244         _selected_playlist_position--;
 245         update_current_content ();
 246 }
 247
 248 bool
 249 SwaroopControls::can_do_next ()
 250 {
 251         return _selected_playlist && (_selected_playlist_position + 1) < int(_playlists[*_selected_playlist].get().size());
 252 }
 253
 254 void
 255 SwaroopControls::next_clicked ()
 256 {
 257         if (!can_do_next ()) {
 258                 return;
 259         }
 260
 261         _selected_playlist_position++;
 262         update_current_content ();
 263 }
 264
 265 void
 266 SwaroopControls::log (wxString s)
 267 {
 268         struct timeval time;
 269         gettimeofday (&time, 0);
 270         char buffer[64];
 271         time_t const sec = time.tv_sec;
 272         struct tm* t = localtime (&sec);
 273         strftime (buffer, 64, "%c", t);
 274         wxString ts = std_to_wx(string(buffer)) + N_(": ");
 275         _log->SetValue(_log->GetValue() + ts + s + "\n");
 276
 277         optional<boost::filesystem::path> log = Config::instance()->player_log_file();
 278         if (!log) {
 279                 return;
 280         }
 281
 282         FILE* f = fopen_boost (*log, "a");
 283         fprintf (f, "%s%s\n", wx_to_std(ts).c_str(), wx_to_std(s).c_str());
 284         fclose (f);
 285 }
 286
 287 void
 288 SwaroopControls::add_playlist_to_list (SPL spl)
 289 {
 290         int const N = _spl_view->GetItemCount();
 291
 292         wxListItem it;
 293         it.SetId(N);
 294         it.SetColumn(0);
 295         string t = spl.name();
 296         if (spl.missing()) {
 297                 t += " (content missing)";
 298         }
 299         it.SetText (std_to_wx(t));
 300         _spl_view->InsertItem (it);
 301 }
 302
 303 struct SPLComparator
 304 {
 305         bool operator() (SPL const & a, SPL const & b) {
 306                 return a.name() < b.name();
 307         }
 308 };
 309
 310 void
 311 SwaroopControls::update_playlist_directory ()
 312 {
 313         using namespace boost::filesystem;
 314
 315         _spl_view->DeleteAllItems ();
 316         optional<path> dir = Config::instance()->player_playlist_directory();
 317         if (!dir) {
 318                 return;
 319         }
 320
 321         _playlists.clear ();
 322
 323         for (directory_iterator i = directory_iterator(*dir); i != directory_iterator(); ++i) {
 324                 try {
 325                         if (is_regular_file(i->path()) && i->path().extension() == ".xml") {
 326                                 SPL spl;
 327                                 spl.read (i->path(), _content_view);
 328                                 _playlists.push_back (spl);
 329                         }
 330                 } catch (exception& e) {
 331                         /* Never mind */
 332                 }
 333         }
 334
 335         sort (_playlists.begin(), _playlists.end(), SPLComparator());
 336         BOOST_FOREACH (SPL i, _playlists) {
 337                 add_playlist_to_list (i);
 338         }
 339
 340         _selected_playlist = boost::none;
 341 }
 342
 343 optional<dcp::EncryptedKDM>
 344 SwaroopControls::get_kdm_from_url (shared_ptr<DCPContent> dcp)
 345 {
 346         ScopedTemporary temp;
 347         string url = Config::instance()->kdm_server_url();
 348         boost::algorithm::replace_all (url, "{CPL}", *dcp->cpl());
 349         optional<dcp::EncryptedKDM> kdm;
 350         if (dcp->cpl() && !get_from_url(url, false, temp)) {
 351                 try {
 352                         kdm = dcp::EncryptedKDM (dcp::file_to_string(temp.file()));
 353                         if (kdm->cpl_id() != dcp->cpl()) {
 354                                 kdm = boost::none;
 355                         }
 356                 } catch (std::exception& e) {
 357                         /* Hey well */
 358                 }
 359         }
 360         return kdm;
 361 }
 362
 363 optional<dcp::EncryptedKDM>
 364 SwaroopControls::get_kdm_from_directory (shared_ptr<DCPContent> dcp)
 365 {
 366         using namespace boost::filesystem;
 367         optional<path> kdm_dir = Config::instance()->player_kdm_directory();
 368         if (!kdm_dir) {
 369                 return optional<dcp::EncryptedKDM>();
 370         }
 371         for (directory_iterator i = directory_iterator(*kdm_dir); i != directory_iterator(); ++i) {
 372                 try {
 373                         if (file_size(i->path()) < MAX_KDM_SIZE) {
 374                                 dcp::EncryptedKDM kdm (dcp::file_to_string(i->path()));
 375                                 if (kdm.cpl_id() == dcp->cpl()) {
 376                                         return kdm;
 377                                 }
 378                         }
 379                 } catch (std::exception& e) {
 380                         /* Hey well */
 381                 }
 382         }
 383         return optional<dcp::EncryptedKDM>();
 384 }
 385
 386 void
 387 SwaroopControls::spl_selection_changed ()
 388 {
 389         long int selected = _spl_view->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 390         if (selected == -1) {
 391                 _current_spl_view->DeleteAllItems ();
 392                 _selected_playlist = boost::none;
 393                 return;
 394         }
 395
 396         if (_playlists[selected].missing()) {
 397                 error_dialog (this, "This playlist cannot be loaded as some content is missing.");
 398                 _selected_playlist = boost::none;
 399                 _spl_view->SetItemState (selected, 0, wxLIST_STATE_SELECTED);
 400                 return;
 401         }
 402
 403         if (_playlists[selected].get().empty()) {
 404                 error_dialog (this, "This playlist is empty.");
 405                 return;
 406         }
 407
 408         select_playlist (selected, 0);
 409 }
 410
 411 void
 412 SwaroopControls::select_playlist (int selected, int position)
 413 {
 414         log (wxString::Format("load-playlist %s", std_to_wx(_playlists[selected].name()).data()));
 415
 416         wxProgressDialog dialog (_("DCP-o-matic"), "Loading playlist and KDMs");
 417
 418         BOOST_FOREACH (SPLEntry const & i, _playlists[selected].get()) {
 419                 dialog.Pulse ();
 420                 shared_ptr<DCPContent> dcp = dynamic_pointer_cast<DCPContent> (i.content);
 421                 if (dcp && dcp->needs_kdm()) {
 422                         optional<dcp::EncryptedKDM> kdm;
 423                         kdm = get_kdm_from_url (dcp);
 424                         if (!kdm) {
 425                                 kdm = get_kdm_from_directory (dcp);
 426                         }
 427                         if (kdm) {
 428                                 try {
 429                                         dcp->add_kdm (*kdm);
 430                                         dcp->examine (_film, shared_ptr<Job>());
 431                                 } catch (KDMError& e) {
 432                                         error_dialog (this, "Could not load KDM.");
 433                                 }
 434                         }
 435                         if (dcp->needs_kdm()) {
 436                                 /* We didn't get a KDM for this */
 437                                 error_dialog (this, "This playlist cannot be loaded as a KDM is missing.");
 438                                 _selected_playlist = boost::none;
 439                                 _spl_view->SetItemState (selected, 0, wxLIST_STATE_SELECTED);
 440                                 return;
 441                         }
 442                 }
 443         }
 444
 445         _current_spl_view->DeleteAllItems ();
 446
 447         int N = 0;
 448         BOOST_FOREACH (SPLEntry i, _playlists[selected].get()) {
 449                 wxListItem it;
 450                 it.SetId (N);
 451                 it.SetColumn (0);
 452                 it.SetText (std_to_wx(i.name));
 453                 _current_spl_view->InsertItem (it);
 454                 ++N;
 455         }
 456
 457         _selected_playlist = selected;
 458         _selected_playlist_position = position;
 459         dialog.Pulse ();
 460         reset_film ();
 461         dialog.Pulse ();
 462         update_current_content ();
 463 }
 464
 465 void
 466 SwaroopControls::reset_film ()
 467 {
 468         DCPOMATIC_ASSERT (_selected_playlist);
 469         shared_ptr<Film> film (new Film(optional<boost::filesystem::path>()));
 470         film->add_content (_playlists[*_selected_playlist].get()[_selected_playlist_position].content);
 471         ResetFilm (film);
 472 }
 473
 474 void
 475 SwaroopControls::config_changed (int property)
 476 {
 477         Controls::config_changed (property);
 478
 479         if (property == Config::PLAYER_CONTENT_DIRECTORY) {
 480                 _content_view->update ();
 481         } else if (property == Config::PLAYER_PLAYLIST_DIRECTORY) {
 482                 update_playlist_directory ();
 483         }
 484 }
 485
 486 void
 487 SwaroopControls::set_film (shared_ptr<Film> film)
 488 {
 489         Controls::set_film (film);
 490         setup_sensitivity ();
 491 }
 492
 493 void
 494 SwaroopControls::update_current_content ()
 495 {
 496         DCPOMATIC_ASSERT (_selected_playlist);
 497
 498         wxProgressDialog dialog (_("DCP-o-matic"), "Loading content");
 499
 500         SPLEntry const & e = _playlists[*_selected_playlist].get()[_selected_playlist_position];
 501         _current_disable_timeline = e.disable_timeline;
 502         _current_disable_next = !e.skippable;
 503
 504         setup_sensitivity ();
 505         dialog.Pulse ();
 506         reset_film ();
 507 }
 508
 509 void
 510 SwaroopControls::viewer_finished ()
 511 {
 512         if (!_selected_playlist) {
 513                 return;
 514         }
 515
 516         bool const stop = _playlists[*_selected_playlist].get()[_selected_playlist_position].stop_after_play;
 517
 518         _selected_playlist_position++;
 519         if (_selected_playlist_position < int(_playlists[*_selected_playlist].get().size())) {
 520                 update_current_content ();
 521                 if (!stop) {
 522                         _viewer->start ();
 523                 }
 524         } else {
 525                 _selected_playlist_position = 0;
 526                 _viewer->set_background_image (true);
 527                 ResetFilm (shared_ptr<Film>(new Film(optional<boost::filesystem::path>())));
 528         }
 529 }