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"
29 #include <boost/foreach.hpp>
34 using boost::shared_ptr;
35 using boost::dynamic_pointer_cast;
36 using boost::function;
37 using namespace dcpomatic;
39 Empty::Empty (shared_ptr<const Film> film, shared_ptr<const Playlist> playlist, function<bool (shared_ptr<const Content>)> part, DCPTime length)
41 list<DCPTimePeriod> full;
42 BOOST_FOREACH (shared_ptr<Content> i, playlist->content()) {
44 full.push_back (DCPTimePeriod (i->position(), i->end(film)));
48 _periods = subtract (DCPTimePeriod(DCPTime(), length), coalesce(full));
50 if (!_periods.empty ()) {
51 _position = _periods.front().from;
56 Empty::set_position (DCPTime position)
60 BOOST_FOREACH (DCPTimePeriod i, _periods) {
61 if (i.contains(_position)) {
66 BOOST_FOREACH (DCPTimePeriod i, _periods) {
67 if (i.from > _position) {
75 Empty::period_at_position () const
77 BOOST_FOREACH (DCPTimePeriod i, _periods) {
78 if (i.contains(_position)) {
79 return DCPTimePeriod (_position, i.to);
83 DCPOMATIC_ASSERT (false);
90 BOOST_FOREACH (DCPTimePeriod i, _periods) {
91 latest = max (latest, i.to);
94 return _position >= latest;