-/*
- Copyright (C) 2018-2019 Carl Hetherington <cth@carlh.net>
-
- This file is part of DCP-o-matic.
-
- DCP-o-matic is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- DCP-o-matic is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
-
-*/
-
-#include "swaroop_controls.h"
-#include "film_viewer.h"
-#include "wx_util.h"
-#include "content_view.h"
-#include "dcpomatic_button.h"
-#include "static_text.h"
-#include "lib/player_video.h"
-#include "lib/dcp_content.h"
-#include "lib/cross.h"
-#include "lib/scoped_temporary.h"
-#include "lib/internet.h"
-#include "lib/ffmpeg_content.h"
-#include "lib/compose.hpp"
-#include <dcp/raw_convert.h>
-#include <dcp/exceptions.h>
-#include <wx/listctrl.h>
-#include <wx/progdlg.h>
-
-using std::string;
-using std::cout;
-using std::exception;
-using std::sort;
-using boost::shared_ptr;
-using boost::dynamic_pointer_cast;
-using boost::optional;
-using namespace dcpomatic;
-
-SwaroopControls::SwaroopControls (wxWindow* parent, shared_ptr<FilmViewer> viewer)
- : Controls (parent, viewer, false)
- , _play_button (new Button(this, _("Play")))
- , _pause_button (new Button(this, _("Pause")))
- , _stop_button (new Button(this, _("Stop")))
- , _next_button (new Button(this, "Next"))
- , _previous_button (new Button(this, "Previous"))
- , _current_disable_timeline (false)
- , _current_disable_next (false)
- , _timer (this)
-{
- _button_sizer->Add (_previous_button, 0, wxEXPAND);
- _button_sizer->Add (_play_button, 0, wxEXPAND);
- _button_sizer->Add (_pause_button, 0, wxEXPAND);
- _button_sizer->Add (_stop_button, 0, wxEXPAND);
- _button_sizer->Add (_next_button, 0, wxEXPAND);
-
- _spl_view = new wxListCtrl (this, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxLC_REPORT | wxLC_NO_HEADER);
- _spl_view->AppendColumn (wxT(""), wxLIST_FORMAT_LEFT, 740);
-
- wxBoxSizer* left_sizer = new wxBoxSizer (wxVERTICAL);
- wxBoxSizer* e_sizer = new wxBoxSizer (wxHORIZONTAL);
-
- wxFont subheading_font (*wxNORMAL_FONT);
- subheading_font.SetWeight (wxFONTWEIGHT_BOLD);
-
- wxBoxSizer* spl_header = new wxBoxSizer (wxHORIZONTAL);
- {
- wxStaticText* m = new StaticText (this, "Playlists");
- m->SetFont (subheading_font);
- spl_header->Add (m, 1, wxALIGN_CENTER_VERTICAL);
- }
- _refresh_spl_view = new Button (this, "Refresh");
- spl_header->Add (_refresh_spl_view, 0, wxBOTTOM, DCPOMATIC_SIZER_GAP / 2);
-
- left_sizer->Add (spl_header, 0, wxLEFT | wxRIGHT | wxEXPAND, DCPOMATIC_SIZER_GAP);
- left_sizer->Add (_spl_view, 1, wxLEFT | wxRIGHT | wxBOTTOM | wxEXPAND, DCPOMATIC_SIZER_GAP);
-
- _content_view = new ContentView (this);
-
- wxBoxSizer* content_header = new wxBoxSizer (wxHORIZONTAL);
- {
- wxStaticText* m = new StaticText (this, "Content");
- m->SetFont (subheading_font);
- content_header->Add (m, 1, wxALIGN_CENTER_VERTICAL);
- }
- _refresh_content_view = new Button (this, "Refresh");
- content_header->Add (_refresh_content_view, 0, wxBOTTOM, DCPOMATIC_SIZER_GAP / 2);
-
- left_sizer->Add (content_header, 0, wxTOP | wxLEFT | wxRIGHT | wxEXPAND, DCPOMATIC_SIZER_GAP);
- left_sizer->Add (_content_view, 1, wxLEFT | wxRIGHT | wxBOTTOM | wxEXPAND, DCPOMATIC_SIZER_GAP);
-
- _current_spl_view = new wxListCtrl (this, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxLC_REPORT | wxLC_NO_HEADER);
- _current_spl_view->AppendColumn (wxT(""), wxLIST_FORMAT_LEFT, 500);
- _current_spl_view->AppendColumn (wxT(""), wxLIST_FORMAT_LEFT, 80);
- e_sizer->Add (left_sizer, 1, wxALL | wxEXPAND, DCPOMATIC_SIZER_GAP);
- e_sizer->Add (_current_spl_view, 1, wxALL | wxEXPAND, DCPOMATIC_SIZER_GAP);
-
- _v_sizer->Add (e_sizer, 1, wxEXPAND);
-
- _play_button->Bind (wxEVT_BUTTON, boost::bind(&SwaroopControls::play_clicked, this));
- _pause_button->Bind (wxEVT_BUTTON, boost::bind(&SwaroopControls::pause_clicked, this));
- _stop_button->Bind (wxEVT_BUTTON, boost::bind(&SwaroopControls::stop_clicked, this));
- _next_button->Bind (wxEVT_BUTTON, boost::bind(&SwaroopControls::next_clicked, this));
- _previous_button->Bind (wxEVT_BUTTON, boost::bind(&SwaroopControls::previous_clicked, this));
- _spl_view->Bind (wxEVT_LIST_ITEM_SELECTED, boost::bind(&SwaroopControls::spl_selection_changed, this));
- _spl_view->Bind (wxEVT_LIST_ITEM_DESELECTED, boost::bind(&SwaroopControls::spl_selection_changed, this));
- _viewer->Finished.connect (boost::bind(&SwaroopControls::viewer_finished, this));
- _refresh_spl_view->Bind (wxEVT_BUTTON, boost::bind(&SwaroopControls::update_playlist_directory, this));
- _refresh_content_view->Bind (wxEVT_BUTTON, boost::bind(&ContentView::update, _content_view));
-
- /* Write position every two minutes if we're playing */
- Bind (wxEVT_TIMER, boost::bind(&SwaroopControls::write_position, this));
- _timer.Start (2 * 60 * 1000, wxTIMER_CONTINUOUS);
-
- _content_view->update ();
- update_playlist_directory ();
-
- _viewer->set_background_image (true);
-}
-
-void
-SwaroopControls::check_restart ()
-{
- cout << "check_restart called\n";
- FILE* f = fopen_boost (Config::path("position"), "r");
- if (!f) {
- cout << "could not open position file (" << errno << ")\n";
- return;
- }
-
- char id[64];
- int index;
- int64_t time;
- fscanf (f, "%63s %d %ld", id, &index, &time);
-
- cout << "Looking for playlist " << id << " to restart.\n";
-
- for (size_t i = 0; i < _playlists.size(); ++i) {
- if (_playlists[i].id() == id) {
- cout << "Found playlist " << id << "\n";
- select_playlist (i, index);
- update_current_content ();
- _viewer->seek (DCPTime(time), false);
- _viewer->start ();
- }
- }
-
- fclose (f);
-}
-
-void
-SwaroopControls::write_position ()
-{
- if (!_selected_playlist || !_viewer->playing()) {
- return;
- }
-
- FILE* f = fopen_boost (Config::path("position"), "w");
- if (f) {
- string const p = _playlists[*_selected_playlist].id()
- + " " + dcp::raw_convert<string>(_selected_playlist_position)
- + " " + dcp::raw_convert<string>(_viewer->position().get());
-
- checked_fwrite (p.c_str(), p.length(), f, Config::path("position"));
-#ifdef DCPOMATIC_LINUX
- fflush (f);
- fsync (fileno(f));
-#endif
- fclose (f);
- }
-}
-
-void
-SwaroopControls::started ()
-{
- Controls::started ();
- _play_button->Enable (false);
- _pause_button->Enable (true);
- _viewer->set_background_image (false);
-}
-
-/** Called when the viewer finishes a single piece of content, or it is explicitly stopped */
-void
-SwaroopControls::stopped ()
-{
- Controls::stopped ();
- _play_button->Enable (true);
- _pause_button->Enable (false);
-}
-
-void
-SwaroopControls::deselect_playlist ()
-{
- long int const selected = _spl_view->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
- if (selected != -1) {
- _selected_playlist = boost::none;
- _spl_view->SetItemState (selected, 0, wxLIST_STATE_SELECTED);
- }
- ResetFilm (shared_ptr<Film>(new Film(optional<boost::filesystem::path>())));
-}
-
-void
-SwaroopControls::decrement_allowed_shows ()
-{
- if (_selected_playlist) {
- SPL& spl = _playlists[*_selected_playlist];
- spl.decrement_allowed_shows();
- if (spl.path()) {
- spl.write (*spl.path());
- }
- }
-}
-
-void
-SwaroopControls::play_clicked ()
-{
- _viewer->start ();
-}
-
-void
-SwaroopControls::setup_sensitivity ()
-{
- Controls::setup_sensitivity ();
- bool const active_job = _active_job && *_active_job != "examine_content";
- bool const c = _film && !_film->content().empty() && !active_job;
- _play_button->Enable (c && !_viewer->playing());
- _pause_button->Enable (_viewer->playing());
- _slider->Enable (!_current_disable_timeline);
- _spl_view->Enable (!_viewer->playing());
- _next_button->Enable (!_current_disable_next && can_do_next());
- _previous_button->Enable (can_do_previous());
-}
-
-void
-SwaroopControls::pause_clicked ()
-{
- _viewer->stop ();
-}
-
-void
-SwaroopControls::stop_clicked ()
-{
- _viewer->stop ();
- _viewer->seek (DCPTime(), true);
- if (_selected_playlist) {
- _selected_playlist_position = 0;
- update_current_content ();
- }
- _viewer->set_background_image (true);
- decrement_allowed_shows ();
- deselect_playlist ();
-}
-
-bool
-SwaroopControls::can_do_previous ()
-{
- return _selected_playlist && (_selected_playlist_position - 1) >= 0;
-}
-
-void
-SwaroopControls::previous_clicked ()
-{
- if (!can_do_previous ()) {
- return;
- }
-
- _selected_playlist_position--;
- update_current_content ();
-}
-
-bool
-SwaroopControls::can_do_next ()
-{
- return _selected_playlist && (_selected_playlist_position + 1) < int(_playlists[*_selected_playlist].get().size());
-}
-
-void
-SwaroopControls::next_clicked ()
-{
- if (!can_do_next ()) {
- return;
- }
-
- _selected_playlist_position++;
- update_current_content ();
-}
-
-void
-SwaroopControls::log (wxString s)
-{
- optional<boost::filesystem::path> log = Config::instance()->player_activity_log_file();
- if (!log) {
- return;
- }
-
- struct timeval time;
- gettimeofday (&time, 0);
- char buffer[64];
- time_t const sec = time.tv_sec;
- struct tm* t = localtime (&sec);
- strftime (buffer, 64, "%c", t);
- wxString ts = std_to_wx(string(buffer)) + N_(": ");
- FILE* f = fopen_boost (*log, "a");
- if (!f) {
- return;
- }
- fprintf (f, "%s%s\n", wx_to_std(ts).c_str(), wx_to_std(s).c_str());
- fclose (f);
-}
-
-void
-SwaroopControls::add_playlist_to_list (SPL spl)
-{
- int const N = _spl_view->GetItemCount();
-
- wxListItem it;
- it.SetId(N);
- it.SetColumn(0);
- string t = spl.name();
- if (spl.missing()) {
- t += " (content missing)";
- }
- it.SetText (std_to_wx(t));
- _spl_view->InsertItem (it);
-}
-
-struct SPLComparator
-{
- bool operator() (SPL const & a, SPL const & b) {
- return a.name() < b.name();
- }
-};
-
-void
-SwaroopControls::update_playlist_directory ()
-{
- using namespace boost::filesystem;
-
- _spl_view->DeleteAllItems ();
- optional<path> dir = Config::instance()->player_playlist_directory();
- if (!dir) {
- return;
- }
-
- _playlists.clear ();
-
- for (directory_iterator i = directory_iterator(*dir); i != directory_iterator(); ++i) {
- try {
- if (is_regular_file(i->path()) && i->path().extension() == ".xml") {
- SPL spl;
- spl.read (i->path(), _content_view);
- _playlists.push_back (spl);
- }
- } catch (exception& e) {
- /* Never mind */
- }
- }
-
- sort (_playlists.begin(), _playlists.end(), SPLComparator());
- BOOST_FOREACH (SPL i, _playlists) {
- add_playlist_to_list (i);
- }
-
- _selected_playlist = boost::none;
-}
-
-optional<dcp::EncryptedKDM>
-SwaroopControls::get_kdm_from_url (shared_ptr<DCPContent> dcp)
-{
- ScopedTemporary temp;
- string url = Config::instance()->kdm_server_url();
- boost::algorithm::replace_all (url, "{CPL}", *dcp->cpl());
- optional<dcp::EncryptedKDM> kdm;
- if (dcp->cpl() && !get_from_url(url, false, false, temp)) {
- try {
- kdm = dcp::EncryptedKDM (dcp::file_to_string(temp.file()));
- if (kdm->cpl_id() != dcp->cpl()) {
- kdm = boost::none;
- }
- } catch (std::exception& e) {
- /* Hey well */
- }
- }
- return kdm;
-}
-
-optional<dcp::EncryptedKDM>
-SwaroopControls::get_kdm_from_directory (shared_ptr<DCPContent> dcp)
-{
- using namespace boost::filesystem;
- optional<path> kdm_dir = Config::instance()->player_kdm_directory();
- if (!kdm_dir) {
- return optional<dcp::EncryptedKDM>();
- }
- for (directory_iterator i = directory_iterator(*kdm_dir); i != directory_iterator(); ++i) {
- try {
- if (file_size(i->path()) < MAX_KDM_SIZE) {
- dcp::EncryptedKDM kdm (dcp::file_to_string(i->path()));
- if (kdm.cpl_id() == dcp->cpl()) {
- return kdm;
- }
- }
- } catch (std::exception& e) {
- /* Hey well */
- }
- }
- return optional<dcp::EncryptedKDM>();
-}
-
-optional<EncryptedECinemaKDM>
-SwaroopControls::get_kdm_from_directory (shared_ptr<FFmpegContent> ffmpeg)
-{
- using namespace boost::filesystem;
- optional<path> kdm_dir = Config::instance()->player_kdm_directory();
- if (!kdm_dir) {
- return optional<EncryptedECinemaKDM>();
- }
- for (directory_iterator i = directory_iterator(*kdm_dir); i != directory_iterator(); ++i) {
- try {
- if (file_size(i->path()) < MAX_KDM_SIZE) {
- EncryptedECinemaKDM kdm (dcp::file_to_string(i->path()));
- if (kdm.id() == ffmpeg->id().get_value_or("")) {
- return kdm;
- }
- }
- } catch (std::exception& e) {
- /* Hey well */
- }
- }
- return optional<EncryptedECinemaKDM>();
-}
-void
-SwaroopControls::spl_selection_changed ()
-{
- long int selected = _spl_view->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
- if (selected == -1) {
- _current_spl_view->DeleteAllItems ();
- _selected_playlist = boost::none;
- return;
- }
-
- if (_playlists[selected].missing()) {
- error_dialog (this, "This playlist cannot be loaded as some content is missing.");
- deselect_playlist ();
- return;
- }
-
- if (_playlists[selected].get().empty()) {
- error_dialog (this, "This playlist is empty.");
- return;
- }
-
- if (!_playlists[selected].have_allowed_shows()) {
- error_dialog (this, "There are no more allowed shows of this playlist.");
- return;
- }
-
- select_playlist (selected, 0);
-}
-
-void
-SwaroopControls::select_playlist (int selected, int position)
-{
- log (wxString::Format("load-playlist %s", std_to_wx(_playlists[selected].name()).data()));
-
- wxProgressDialog dialog (_("DCP-o-matic"), "Loading playlist and KDMs");
-
- BOOST_FOREACH (SPLEntry const & i, _playlists[selected].get()) {
- dialog.Pulse ();
- shared_ptr<DCPContent> dcp = dynamic_pointer_cast<DCPContent> (i.content);
- if (dcp && dcp->needs_kdm()) {
- optional<dcp::EncryptedKDM> kdm;
- kdm = get_kdm_from_url (dcp);
- if (!kdm) {
- kdm = get_kdm_from_directory (dcp);
- }
- if (kdm) {
- try {
- dcp->add_kdm (*kdm);
- dcp->examine (_film, shared_ptr<Job>());
- } catch (KDMError& e) {
- error_dialog (this, "Could not load KDM.");
- }
- }
- if (dcp->needs_kdm()) {
- /* We didn't get a KDM for this */
- error_dialog (this, "This playlist cannot be loaded as a KDM is missing or incorrect.");
- deselect_playlist ();
- return;
- }
- }
- shared_ptr<FFmpegContent> ffmpeg = dynamic_pointer_cast<FFmpegContent> (i.content);
- if (ffmpeg && ffmpeg->encrypted()) {
- optional<EncryptedECinemaKDM> kdm = get_kdm_from_directory (ffmpeg);
- if (kdm) {
- try {
- ffmpeg->add_kdm (*kdm);
- ffmpeg->examine (_film, shared_ptr<Job>());
- } catch (KDMError& e) {
- error_dialog (this, "This playlist cannot be loaded as a KDM is missing or incorrect.");
- deselect_playlist ();
- return;
- }
- } else {
- error_dialog (this, "This playlist cannot be loaded as a KDM is missing or incorrect.");
- deselect_playlist ();
- return;
- }
- }
- }
-
- _current_spl_view->DeleteAllItems ();
-
- int N = 0;
- BOOST_FOREACH (SPLEntry i, _playlists[selected].get()) {
- wxListItem it;
- it.SetId (N);
- it.SetColumn (0);
- it.SetText (std_to_wx(i.name));
- _current_spl_view->InsertItem (it);
- ++N;
- }
-
- _selected_playlist = selected;
- _selected_playlist_position = position;
- dialog.Pulse ();
- reset_film ();
- dialog.Pulse ();
- update_current_content ();
-}
-
-void
-SwaroopControls::reset_film ()
-{
- DCPOMATIC_ASSERT (_selected_playlist);
- shared_ptr<Film> film (new Film(optional<boost::filesystem::path>()));
- film->add_content (_playlists[*_selected_playlist].get()[_selected_playlist_position].content);
- ResetFilm (film);
-}
-
-void
-SwaroopControls::config_changed (int property)
-{
- Controls::config_changed (property);
-
- if (property == Config::PLAYER_CONTENT_DIRECTORY) {
- _content_view->update ();
- } else if (property == Config::PLAYER_PLAYLIST_DIRECTORY) {
- update_playlist_directory ();
- }
-}
-
-void
-SwaroopControls::set_film (shared_ptr<Film> film)
-{
- Controls::set_film (film);
- setup_sensitivity ();
-}
-
-void
-SwaroopControls::update_current_content ()
-{
- DCPOMATIC_ASSERT (_selected_playlist);
-
- wxProgressDialog dialog (_("DCP-o-matic"), "Loading content");
-
- SPLEntry const & e = _playlists[*_selected_playlist].get()[_selected_playlist_position];
- _current_disable_timeline = e.disable_timeline;
- _current_disable_next = !e.skippable;
-
- setup_sensitivity ();
- dialog.Pulse ();
- reset_film ();
-}
-
-/** One piece of content in our SPL has finished playing */
-void
-SwaroopControls::viewer_finished ()
-{
- if (!_selected_playlist) {
- return;
- }
-
- bool const stop = _playlists[*_selected_playlist].get()[_selected_playlist_position].stop_after_play;
-
- _selected_playlist_position++;
- if (_selected_playlist_position < int(_playlists[*_selected_playlist].get().size())) {
- /* Next piece of content on the SPL */
- update_current_content ();
- if (!stop) {
- _viewer->start ();
- }
- } else {
- /* Finished the whole SPL */
- _selected_playlist_position = 0;
- _viewer->set_background_image (true);
- ResetFilm (shared_ptr<Film>(new Film(optional<boost::filesystem::path>())));
- decrement_allowed_shows ();
- _play_button->Enable (true);
- _pause_button->Enable (false);
- }
-}