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
 123 void
 124 SwaroopControls::check_restart ()
 125 {
 126         FILE* f = fopen_boost (Config::path("position"), "r");
 127         if (!f) {
 128                 return;
 129         }
 130
 131         char id[64];
 132         int index;
 133         int64_t time;
 134         fscanf (f, "%63s %d %ld", id, &index, &time);
 135
 136         for (size_t i = 0; i < _playlists.size(); ++i) {
 137                 if (_playlists[i].id() == id) {
 138                         _selected_playlist = i;
 139                         _selected_playlist_position = index;
 140                         update_current_content ();
 141                         _viewer->seek (DCPTime(time), false);
 142                         _viewer->start ();
 143                 }
 144         }
 145
 146         fclose (f);
 147 }
 148
 149 void
 150 SwaroopControls::viewer_position_changed ()
 151 {
 152         if (!_selected_playlist || !_viewer->playing() || _viewer->position().get() % DCPTime::HZ) {
 153                 return;
 154         }
 155
 156         FILE* f = fopen_boost (Config::path("position"), "w");
 157         if (f) {
 158                 string const p = _playlists[*_selected_playlist].id()
 159                         + " " + dcp::raw_convert<string>(_selected_playlist_position)
 160                         + " " + dcp::raw_convert<string>(_viewer->position().get());
 161
 162                 checked_fwrite (p.c_str(), p.length(), f, Config::path("position"));
 163                 fclose (f);
 164         }
 165 }
 166
 167 void
 168 SwaroopControls::started ()
 169 {
 170         Controls::started ();
 171         _play_button->Enable (false);
 172         _pause_button->Enable (true);
 173 }
 174
 175 void
 176 SwaroopControls::stopped ()
 177 {
 178         Controls::stopped ();
 179         _play_button->Enable (true);
 180         _pause_button->Enable (false);
 181 }
 182
 183 void
 184 SwaroopControls::play_clicked ()
 185 {
 186         _viewer->start ();
 187 }
 188
 189 void
 190 SwaroopControls::setup_sensitivity ()
 191 {
 192         Controls::setup_sensitivity ();
 193         bool const active_job = _active_job && *_active_job != "examine_content";
 194         bool const c = _film && !_film->content().empty() && !active_job;
 195         _play_button->Enable (c && !_viewer->playing());
 196         _pause_button->Enable (_viewer->playing());
 197         _slider->Enable (!_current_disable_timeline);
 198         _spl_view->Enable (!_viewer->playing());
 199         _next_button->Enable (!_current_disable_next && can_do_next());
 200         _previous_button->Enable (can_do_previous());
 201 }
 202
 203 void
 204 SwaroopControls::pause_clicked ()
 205 {
 206         _viewer->stop ();
 207 }
 208
 209 void
 210 SwaroopControls::stop_clicked ()
 211 {
 212         _viewer->stop ();
 213         _viewer->seek (DCPTime(), true);
 214         if (_selected_playlist) {
 215                 _selected_playlist_position = 0;
 216                 update_current_content ();
 217         }
 218 }
 219
 220 bool
 221 SwaroopControls::can_do_previous ()
 222 {
 223         return _selected_playlist && (_selected_playlist_position - 1) >= 0;
 224 }
 225
 226 void
 227 SwaroopControls::previous_clicked ()
 228 {
 229         if (!can_do_previous ()) {
 230                 return;
 231         }
 232
 233         _selected_playlist_position--;
 234         update_current_content ();
 235 }
 236
 237 bool
 238 SwaroopControls::can_do_next ()
 239 {
 240         return _selected_playlist && (_selected_playlist_position + 1) < int(_playlists[*_selected_playlist].get().size());
 241 }
 242
 243 void
 244 SwaroopControls::next_clicked ()
 245 {
 246         if (!can_do_next ()) {
 247                 return;
 248         }
 249
 250         _selected_playlist_position++;
 251         update_current_content ();
 252 }
 253
 254 void
 255 SwaroopControls::log (wxString s)
 256 {
 257         struct timeval time;
 258         gettimeofday (&time, 0);
 259         char buffer[64];
 260         time_t const sec = time.tv_sec;
 261         struct tm* t = localtime (&sec);
 262         strftime (buffer, 64, "%c", t);
 263         wxString ts = std_to_wx(string(buffer)) + N_(": ");
 264         _log->SetValue(_log->GetValue() + ts + s + "\n");
 265
 266         optional<boost::filesystem::path> log = Config::instance()->player_log_file();
 267         if (!log) {
 268                 return;
 269         }
 270
 271         FILE* f = fopen_boost (*log, "a");
 272         fprintf (f, "%s%s\n", wx_to_std(ts).c_str(), wx_to_std(s).c_str());
 273         fclose (f);
 274 }
 275
 276 void
 277 SwaroopControls::add_playlist_to_list (SPL spl)
 278 {
 279         int const N = _spl_view->GetItemCount();
 280
 281         wxListItem it;
 282         it.SetId(N);
 283         it.SetColumn(0);
 284         string t = spl.name();
 285         if (spl.missing()) {
 286                 t += " (content missing)";
 287         }
 288         it.SetText (std_to_wx(t));
 289         _spl_view->InsertItem (it);
 290 }
 291
 292 struct SPLComparator
 293 {
 294         bool operator() (SPL const & a, SPL const & b) {
 295                 return a.name() < b.name();
 296         }
 297 };
 298
 299 void
 300 SwaroopControls::update_playlist_directory ()
 301 {
 302         using namespace boost::filesystem;
 303
 304         _spl_view->DeleteAllItems ();
 305         optional<path> dir = Config::instance()->player_playlist_directory();
 306         if (!dir) {
 307                 return;
 308         }
 309
 310         _playlists.clear ();
 311
 312         for (directory_iterator i = directory_iterator(*dir); i != directory_iterator(); ++i) {
 313                 try {
 314                         if (is_regular_file(i->path()) && i->path().extension() == ".xml") {
 315                                 SPL spl;
 316                                 spl.read (i->path(), _content_view);
 317                                 _playlists.push_back (spl);
 318                         }
 319                 } catch (exception& e) {
 320                         /* Never mind */
 321                 }
 322         }
 323
 324         sort (_playlists.begin(), _playlists.end(), SPLComparator());
 325         BOOST_FOREACH (SPL i, _playlists) {
 326                 add_playlist_to_list (i);
 327         }
 328
 329         _selected_playlist = boost::none;
 330 }
 331
 332 optional<dcp::EncryptedKDM>
 333 SwaroopControls::get_kdm_from_url (shared_ptr<DCPContent> dcp)
 334 {
 335         ScopedTemporary temp;
 336         string url = Config::instance()->kdm_server_url();
 337         boost::algorithm::replace_all (url, "{CPL}", *dcp->cpl());
 338         optional<dcp::EncryptedKDM> kdm;
 339         if (dcp->cpl() && !get_from_url(url, false, temp)) {
 340                 try {
 341                         kdm = dcp::EncryptedKDM (dcp::file_to_string(temp.file()));
 342                         if (kdm->cpl_id() != dcp->cpl()) {
 343                                 kdm = boost::none;
 344                         }
 345                 } catch (std::exception& e) {
 346                         /* Hey well */
 347                 }
 348         }
 349         return kdm;
 350 }
 351
 352 optional<dcp::EncryptedKDM>
 353 SwaroopControls::get_kdm_from_directory (shared_ptr<DCPContent> dcp)
 354 {
 355         using namespace boost::filesystem;
 356         optional<path> kdm_dir = Config::instance()->player_kdm_directory();
 357         if (!kdm_dir) {
 358                 return optional<dcp::EncryptedKDM>();
 359         }
 360         for (directory_iterator i = directory_iterator(*kdm_dir); i != directory_iterator(); ++i) {
 361                 try {
 362                         if (file_size(i->path()) < MAX_KDM_SIZE) {
 363                                 dcp::EncryptedKDM kdm (dcp::file_to_string(i->path()));
 364                                 if (kdm.cpl_id() == dcp->cpl()) {
 365                                         return kdm;
 366                                 }
 367                         }
 368                 } catch (std::exception& e) {
 369                         /* Hey well */
 370                 }
 371         }
 372         return optional<dcp::EncryptedKDM>();
 373 }
 374
 375 void
 376 SwaroopControls::spl_selection_changed ()
 377 {
 378         long int selected = _spl_view->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 379         if (selected == -1) {
 380                 _current_spl_view->DeleteAllItems ();
 381                 _selected_playlist = boost::none;
 382                 return;
 383         }
 384
 385         if (_playlists[selected].missing()) {
 386                 error_dialog (this, "This playlist cannot be loaded as some content is missing.");
 387                 _selected_playlist = boost::none;
 388                 _spl_view->SetItemState (selected, 0, wxLIST_STATE_SELECTED);
 389                 return;
 390         }
 391
 392         if (_playlists[selected].get().empty()) {
 393                 error_dialog (this, "This playlist is empty.");
 394                 return;
 395         }
 396
 397         log (wxString::Format("load-playlist %s", std_to_wx(_playlists[selected].name()).data()));
 398
 399         wxProgressDialog dialog (_("DCP-o-matic"), "Loading playlist and KDMs");
 400
 401         BOOST_FOREACH (SPLEntry const & i, _playlists[selected].get()) {
 402                 dialog.Pulse ();
 403                 shared_ptr<DCPContent> dcp = dynamic_pointer_cast<DCPContent> (i.content);
 404                 if (dcp && dcp->needs_kdm()) {
 405                         optional<dcp::EncryptedKDM> kdm;
 406                         kdm = get_kdm_from_url (dcp);
 407                         if (!kdm) {
 408                                 kdm = get_kdm_from_directory (dcp);
 409                         }
 410                         if (kdm) {
 411                                 try {
 412                                         dcp->add_kdm (*kdm);
 413                                         dcp->examine (_film, shared_ptr<Job>());
 414                                 } catch (KDMError& e) {
 415                                         error_dialog (this, "Could not load KDM.");
 416                                 }
 417                         }
 418                         if (dcp->needs_kdm()) {
 419                                 /* We didn't get a KDM for this */
 420                                 error_dialog (this, "This playlist cannot be loaded as a KDM is missing.");
 421                                 _selected_playlist = boost::none;
 422                                 _spl_view->SetItemState (selected, 0, wxLIST_STATE_SELECTED);
 423                                 return;
 424                         }
 425                 }
 426         }
 427
 428         _current_spl_view->DeleteAllItems ();
 429
 430         int N = 0;
 431         BOOST_FOREACH (SPLEntry i, _playlists[selected].get()) {
 432                 wxListItem it;
 433                 it.SetId (N);
 434                 it.SetColumn (0);
 435                 it.SetText (std_to_wx(i.name));
 436                 _current_spl_view->InsertItem (it);
 437                 ++N;
 438         }
 439
 440         _selected_playlist = selected;
 441         _selected_playlist_position = 0;
 442         dialog.Pulse ();
 443         reset_film ();
 444         dialog.Pulse ();
 445         update_current_content ();
 446 }
 447
 448 void
 449 SwaroopControls::reset_film ()
 450 {
 451         DCPOMATIC_ASSERT (_selected_playlist);
 452         shared_ptr<Film> film (new Film(optional<boost::filesystem::path>()));
 453         film->add_content (_playlists[*_selected_playlist].get()[_selected_playlist_position].content);
 454         ResetFilm (film);
 455 }
 456
 457 void
 458 SwaroopControls::config_changed (int property)
 459 {
 460         Controls::config_changed (property);
 461
 462         if (property == Config::PLAYER_CONTENT_DIRECTORY) {
 463                 _content_view->update ();
 464         } else if (property == Config::PLAYER_PLAYLIST_DIRECTORY) {
 465                 update_playlist_directory ();
 466         }
 467 }
 468
 469 void
 470 SwaroopControls::set_film (shared_ptr<Film> film)
 471 {
 472         Controls::set_film (film);
 473         setup_sensitivity ();
 474 }
 475
 476 void
 477 SwaroopControls::update_current_content ()
 478 {
 479         DCPOMATIC_ASSERT (_selected_playlist);
 480
 481         wxProgressDialog dialog (_("DCP-o-matic"), "Loading content");
 482
 483         SPLEntry const & e = _playlists[*_selected_playlist].get()[_selected_playlist_position];
 484         _current_disable_timeline = e.disable_timeline;
 485         _current_disable_next = !e.skippable;
 486
 487         setup_sensitivity ();
 488         dialog.Pulse ();
 489         reset_film ();
 490 }
 491
 492 void
 493 SwaroopControls::viewer_finished ()
 494 {
 495         if (!_selected_playlist) {
 496                 return;
 497         }
 498
 499         bool const stop = _playlists[*_selected_playlist].get()[_selected_playlist_position].stop_after_play;
 500
 501         _selected_playlist_position++;
 502         if (_selected_playlist_position < int(_playlists[*_selected_playlist].get().size())) {
 503                 update_current_content ();
 504                 if (!stop) {
 505                         _viewer->start ();
 506                 }
 507         } else {
 508                 _selected_playlist_position = 0;
 509                 ResetFilm (shared_ptr<Film>(new Film(optional<boost::filesystem::path>())));
 510         }
 511 }