2 Copyright (C) 2017 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
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.
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.
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/>.
25 #include "content_part.h"
26 #include "dcp_content.h"
27 #include "dcpomatic_time_coalesce.h"
33 using std::shared_ptr;
34 using std::dynamic_pointer_cast;
35 using boost::function;
36 using namespace dcpomatic;
38 Empty::Empty (shared_ptr<const Film> film, shared_ptr<const Playlist> playlist, function<bool (shared_ptr<const Content>)> part, DCPTime length)
40 list<DCPTimePeriod> full;
41 for (auto i: playlist->content()) {
43 full.push_back (DCPTimePeriod (i->position(), i->end(film)));
47 _periods = subtract (DCPTimePeriod(DCPTime(), length), coalesce(full));
49 if (!_periods.empty ()) {
50 _position = _periods.front().from;
55 Empty::set_position (DCPTime position)
59 for (auto i: _periods) {
60 if (i.contains(_position)) {
65 for (auto i: _periods) {
66 if (i.from > _position) {
74 Empty::period_at_position () const
76 for (auto i: _periods) {
77 if (i.contains(_position)) {
78 return DCPTimePeriod (_position, i.to);
82 DCPOMATIC_ASSERT (false);
89 for (auto i: _periods) {
90 latest = max (latest, i.to);
93 return _position >= latest;