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         FILE* f = fopen_boost (Config::path("position"), "r");
 129         if (!f) {
 130                 return;
 131         }
 132
 133         char id[64];
 134         int index;
 135         int64_t time;
 136         fscanf (f, "%63s %d %ld", id, &index, &time);
 137
 138         for (size_t i = 0; i < _playlists.size(); ++i) {
 139                 if (_playlists[i].id() == id) {
 140                         select_playlist (i, index);
 141                         update_current_content ();
 142                         _viewer->seek (DCPTime(time), false);
 143                         _viewer->start ();
 144                 }
 145         }
 146
 147 #ifdef DCPOMATIC_LINUX
 148         fsync (fileno(f));
 149 #endif
 150         fclose (f);
 151 }
 152
 153 void
 154 SwaroopControls::viewer_position_changed ()
 155 {
 156         if (!_selected_playlist || !_viewer->playing() || _viewer->position().get() % DCPTime::HZ) {
 157                 return;
 158         }
 159
 160         FILE* f = fopen_boost (Config::path("position"), "w");
 161         if (f) {
 162                 string const p = _playlists[*_selected_playlist].id()
 163                         + " " + dcp::raw_convert<string>(_selected_playlist_position)
 164                         + " " + dcp::raw_convert<string>(_viewer->position().get());
 165
 166                 checked_fwrite (p.c_str(), p.length(), f, Config::path("position"));
 167                 fclose (f);
 168         }
 169 }
 170
 171 void
 172 SwaroopControls::started ()
 173 {
 174         Controls::started ();
 175         _play_button->Enable (false);
 176         _pause_button->Enable (true);
 177         _viewer->set_background_image (false);
 178 }
 179
 180 void
 181 SwaroopControls::stopped ()
 182 {
 183         Controls::stopped ();
 184         _play_button->Enable (true);
 185         _pause_button->Enable (false);
 186 }
 187
 188 void
 189 SwaroopControls::play_clicked ()
 190 {
 191         _viewer->start ();
 192 }
 193
 194 void
 195 SwaroopControls::setup_sensitivity ()
 196 {
 197         Controls::setup_sensitivity ();
 198         bool const active_job = _active_job && *_active_job != "examine_content";
 199         bool const c = _film && !_film->content().empty() && !active_job;
 200         _play_button->Enable (c && !_viewer->playing());
 201         _pause_button->Enable (_viewer->playing());
 202         _slider->Enable (!_current_disable_timeline);
 203         _spl_view->Enable (!_viewer->playing());
 204         _next_button->Enable (!_current_disable_next && can_do_next());
 205         _previous_button->Enable (can_do_previous());
 206 }
 207
 208 void
 209 SwaroopControls::pause_clicked ()
 210 {
 211         _viewer->stop ();
 212 }
 213
 214 void
 215 SwaroopControls::stop_clicked ()
 216 {
 217         _viewer->stop ();
 218         _viewer->seek (DCPTime(), true);
 219         if (_selected_playlist) {
 220                 _selected_playlist_position = 0;
 221                 update_current_content ();
 222         }
 223         _viewer->set_background_image (true);
 224 }
 225
 226 bool
 227 SwaroopControls::can_do_previous ()
 228 {
 229         return _selected_playlist && (_selected_playlist_position - 1) >= 0;
 230 }
 231
 232 void
 233 SwaroopControls::previous_clicked ()
 234 {
 235         if (!can_do_previous ()) {
 236                 return;
 237         }
 238
 239         _selected_playlist_position--;
 240         update_current_content ();
 241 }
 242
 243 bool
 244 SwaroopControls::can_do_next ()
 245 {
 246         return _selected_playlist && (_selected_playlist_position + 1) < int(_playlists[*_selected_playlist].get().size());
 247 }
 248
 249 void
 250 SwaroopControls::next_clicked ()
 251 {
 252         if (!can_do_next ()) {
 253                 return;
 254         }
 255
 256         _selected_playlist_position++;
 257         update_current_content ();
 258 }
 259
 260 void
 261 SwaroopControls::log (wxString s)
 262 {
 263         struct timeval time;
 264         gettimeofday (&time, 0);
 265         char buffer[64];
 266         time_t const sec = time.tv_sec;
 267         struct tm* t = localtime (&sec);
 268         strftime (buffer, 64, "%c", t);
 269         wxString ts = std_to_wx(string(buffer)) + N_(": ");
 270         _log->SetValue(_log->GetValue() + ts + s + "\n");
 271
 272         optional<boost::filesystem::path> log = Config::instance()->player_log_file();
 273         if (!log) {
 274                 return;
 275         }
 276
 277         FILE* f = fopen_boost (*log, "a");
 278         fprintf (f, "%s%s\n", wx_to_std(ts).c_str(), wx_to_std(s).c_str());
 279         fclose (f);
 280 }
 281
 282 void
 283 SwaroopControls::add_playlist_to_list (SPL spl)
 284 {
 285         int const N = _spl_view->GetItemCount();
 286
 287         wxListItem it;
 288         it.SetId(N);
 289         it.SetColumn(0);
 290         string t = spl.name();
 291         if (spl.missing()) {
 292                 t += " (content missing)";
 293         }
 294         it.SetText (std_to_wx(t));
 295         _spl_view->InsertItem (it);
 296 }
 297
 298 struct SPLComparator
 299 {
 300         bool operator() (SPL const & a, SPL const & b) {
 301                 return a.name() < b.name();
 302         }
 303 };
 304
 305 void
 306 SwaroopControls::update_playlist_directory ()
 307 {
 308         using namespace boost::filesystem;
 309
 310         _spl_view->DeleteAllItems ();
 311         optional<path> dir = Config::instance()->player_playlist_directory();
 312         if (!dir) {
 313                 return;
 314         }
 315
 316         _playlists.clear ();
 317
 318         for (directory_iterator i = directory_iterator(*dir); i != directory_iterator(); ++i) {
 319                 try {
 320                         if (is_regular_file(i->path()) && i->path().extension() == ".xml") {
 321                                 SPL spl;
 322                                 spl.read (i->path(), _content_view);
 323                                 _playlists.push_back (spl);
 324                         }
 325                 } catch (exception& e) {
 326                         /* Never mind */
 327                 }
 328         }
 329
 330         sort (_playlists.begin(), _playlists.end(), SPLComparator());
 331         BOOST_FOREACH (SPL i, _playlists) {
 332                 add_playlist_to_list (i);
 333         }
 334
 335         _selected_playlist = boost::none;
 336 }
 337
 338 optional<dcp::EncryptedKDM>
 339 SwaroopControls::get_kdm_from_url (shared_ptr<DCPContent> dcp)
 340 {
 341         ScopedTemporary temp;
 342         string url = Config::instance()->kdm_server_url();
 343         boost::algorithm::replace_all (url, "{CPL}", *dcp->cpl());
 344         optional<dcp::EncryptedKDM> kdm;
 345         if (dcp->cpl() && !get_from_url(url, false, temp)) {
 346                 try {
 347                         kdm = dcp::EncryptedKDM (dcp::file_to_string(temp.file()));
 348                         if (kdm->cpl_id() != dcp->cpl()) {
 349                                 kdm = boost::none;
 350                         }
 351                 } catch (std::exception& e) {
 352                         /* Hey well */
 353                 }
 354         }
 355         return kdm;
 356 }
 357
 358 optional<dcp::EncryptedKDM>
 359 SwaroopControls::get_kdm_from_directory (shared_ptr<DCPContent> dcp)
 360 {
 361         using namespace boost::filesystem;
 362         optional<path> kdm_dir = Config::instance()->player_kdm_directory();
 363         if (!kdm_dir) {
 364                 return optional<dcp::EncryptedKDM>();
 365         }
 366         for (directory_iterator i = directory_iterator(*kdm_dir); i != directory_iterator(); ++i) {
 367                 try {
 368                         if (file_size(i->path()) < MAX_KDM_SIZE) {
 369                                 dcp::EncryptedKDM kdm (dcp::file_to_string(i->path()));
 370                                 if (kdm.cpl_id() == dcp->cpl()) {
 371                                         return kdm;
 372                                 }
 373                         }
 374                 } catch (std::exception& e) {
 375                         /* Hey well */
 376                 }
 377         }
 378         return optional<dcp::EncryptedKDM>();
 379 }
 380
 381 void
 382 SwaroopControls::spl_selection_changed ()
 383 {
 384         long int selected = _spl_view->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 385         if (selected == -1) {
 386                 _current_spl_view->DeleteAllItems ();
 387                 _selected_playlist = boost::none;
 388                 return;
 389         }
 390
 391         if (_playlists[selected].missing()) {
 392                 error_dialog (this, "This playlist cannot be loaded as some content is missing.");
 393                 _selected_playlist = boost::none;
 394                 _spl_view->SetItemState (selected, 0, wxLIST_STATE_SELECTED);
 395                 return;
 396         }
 397
 398         if (_playlists[selected].get().empty()) {
 399                 error_dialog (this, "This playlist is empty.");
 400                 return;
 401         }
 402
 403         select_playlist (selected, 0);
 404 }
 405
 406 void
 407 SwaroopControls::select_playlist (int selected, int position)
 408 {
 409         log (wxString::Format("load-playlist %s", std_to_wx(_playlists[selected].name()).data()));
 410
 411         wxProgressDialog dialog (_("DCP-o-matic"), "Loading playlist and KDMs");
 412
 413         BOOST_FOREACH (SPLEntry const & i, _playlists[selected].get()) {
 414                 dialog.Pulse ();
 415                 shared_ptr<DCPContent> dcp = dynamic_pointer_cast<DCPContent> (i.content);
 416                 if (dcp && dcp->needs_kdm()) {
 417                         optional<dcp::EncryptedKDM> kdm;
 418                         kdm = get_kdm_from_url (dcp);
 419                         if (!kdm) {
 420                                 kdm = get_kdm_from_directory (dcp);
 421                         }
 422                         if (kdm) {
 423                                 try {
 424                                         dcp->add_kdm (*kdm);
 425                                         dcp->examine (_film, shared_ptr<Job>());
 426                                 } catch (KDMError& e) {
 427                                         error_dialog (this, "Could not load KDM.");
 428                                 }
 429                         }
 430                         if (dcp->needs_kdm()) {
 431                                 /* We didn't get a KDM for this */
 432                                 error_dialog (this, "This playlist cannot be loaded as a KDM is missing.");
 433                                 _selected_playlist = boost::none;
 434                                 _spl_view->SetItemState (selected, 0, wxLIST_STATE_SELECTED);
 435                                 return;
 436                         }
 437                 }
 438         }
 439
 440         _current_spl_view->DeleteAllItems ();
 441
 442         int N = 0;
 443         BOOST_FOREACH (SPLEntry i, _playlists[selected].get()) {
 444                 wxListItem it;
 445                 it.SetId (N);
 446                 it.SetColumn (0);
 447                 it.SetText (std_to_wx(i.name));
 448                 _current_spl_view->InsertItem (it);
 449                 ++N;
 450         }
 451
 452         _selected_playlist = selected;
 453         _selected_playlist_position = position;
 454         dialog.Pulse ();
 455         reset_film ();
 456         dialog.Pulse ();
 457         update_current_content ();
 458 }
 459
 460 void
 461 SwaroopControls::reset_film ()
 462 {
 463         DCPOMATIC_ASSERT (_selected_playlist);
 464         shared_ptr<Film> film (new Film(optional<boost::filesystem::path>()));
 465         film->add_content (_playlists[*_selected_playlist].get()[_selected_playlist_position].content);
 466         ResetFilm (film);
 467 }
 468
 469 void
 470 SwaroopControls::config_changed (int property)
 471 {
 472         Controls::config_changed (property);
 473
 474         if (property == Config::PLAYER_CONTENT_DIRECTORY) {
 475                 _content_view->update ();
 476         } else if (property == Config::PLAYER_PLAYLIST_DIRECTORY) {
 477                 update_playlist_directory ();
 478         }
 479 }
 480
 481 void
 482 SwaroopControls::set_film (shared_ptr<Film> film)
 483 {
 484         Controls::set_film (film);
 485         setup_sensitivity ();
 486 }
 487
 488 void
 489 SwaroopControls::update_current_content ()
 490 {
 491         DCPOMATIC_ASSERT (_selected_playlist);
 492
 493         wxProgressDialog dialog (_("DCP-o-matic"), "Loading content");
 494
 495         SPLEntry const & e = _playlists[*_selected_playlist].get()[_selected_playlist_position];
 496         _current_disable_timeline = e.disable_timeline;
 497         _current_disable_next = !e.skippable;
 498
 499         setup_sensitivity ();
 500         dialog.Pulse ();
 501         reset_film ();
 502 }
 503
 504 void
 505 SwaroopControls::viewer_finished ()
 506 {
 507         if (!_selected_playlist) {
 508                 return;
 509         }
 510
 511         bool const stop = _playlists[*_selected_playlist].get()[_selected_playlist_position].stop_after_play;
 512
 513         _selected_playlist_position++;
 514         if (_selected_playlist_position < int(_playlists[*_selected_playlist].get().size())) {
 515                 update_current_content ();
 516                 if (!stop) {
 517                         _viewer->start ();
 518                 }
 519         } else {
 520                 _selected_playlist_position = 0;
 521                 _viewer->set_background_image (true);
 522                 ResetFilm (shared_ptr<Film>(new Film(optional<boost::filesystem::path>())));
 523         }
 524 }