Fixes for silence in projects, various cleanups.

1 files changed, 89 insertions, 0 deletions

diff --git a/src/lib/empty.cc b/src/lib/empty.cc
new file mode 100644
index 000000000..2233b4342
--- /dev/null
+++ b/src/lib/empty.cc
@@ -0,0 +1,89 @@
+/*
+    Copyright (C) 2017 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 "empty.h"
+#include "playlist.h"
+#include "content.h"
+#include "content_part.h"
+#include "dcp_content.h"
+#include "dcpomatic_time_coalesce.h"
+#include <boost/foreach.hpp>
+#include <iostream>
+
+using std::cout;
+using std::list;
+using boost::shared_ptr;
+using boost::dynamic_pointer_cast;
+using boost::function;
+
+Empty::Empty (shared_ptr<const Playlist> playlist, function<shared_ptr<ContentPart> (Content *)> part)
+{
+	list<DCPTimePeriod> full;
+	BOOST_FOREACH (shared_ptr<Content> i, playlist->content()) {
+		if (part (i.get())) {
+			full.push_back (DCPTimePeriod (i->position(), i->end()));
+		}
+	}
+
+	_periods = subtract (DCPTimePeriod(DCPTime(), playlist->length()), coalesce(full));
+}
+
+void
+Empty::set_position (DCPTime position)
+{
+	_position = position;
+
+	BOOST_FOREACH (DCPTimePeriod i, _periods) {
+		if (i.contains(_position)) {
+			return;
+		}
+	}
+
+	BOOST_FOREACH (DCPTimePeriod i, _periods) {
+		if (i.from > _position) {
+			_position = i.from;
+			return;
+		}
+	}
+}
+
+DCPTimePeriod
+Empty::period_at_position () const
+{
+	BOOST_FOREACH (DCPTimePeriod i, _periods) {
+		if (i.contains(_position)) {
+			return DCPTimePeriod (_position, i.to);
+		}
+	}
+
+	DCPOMATIC_ASSERT (false);
+}
+
+bool
+Empty::done () const
+{
+	BOOST_FOREACH (DCPTimePeriod i, _periods) {
+		if (i.contains(_position)) {
+			return false;
+		}
+	}
+
+	return true;
+}