+
+
+/** Take settings from the given content if it is of the correct type */
+void
+Content::take_settings_from (shared_ptr<const Content> c)
+{
+ if (video && c->video) {
+ video->take_settings_from (c->video);
+ }
+ if (audio && c->audio) {
+ audio->take_settings_from (c->audio);
+ }
+
+ auto i = text.begin ();
+ auto j = c->text.begin ();
+ while (i != text.end() && j != c->text.end()) {
+ (*i)->take_settings_from (*j);
+ ++i;
+ ++j;
+ }
+}
+
+
+shared_ptr<TextContent>
+Content::only_text () const
+{
+ DCPOMATIC_ASSERT (text.size() < 2);
+ if (text.empty()) {
+ return {};
+ }
+ return text.front ();
+}
+
+
+shared_ptr<TextContent>
+Content::text_of_original_type (TextType type) const
+{
+ for (auto i: text) {
+ if (i->original_type() == type) {
+ return i;
+ }
+ }
+
+ return {};
+}
+
+
+void
+Content::add_path (boost::filesystem::path p)
+{
+ boost::mutex::scoped_lock lm (_mutex);
+ _paths.push_back (p);
+ boost::system::error_code ec;
+ auto last_write = dcp::filesystem::last_write_time(p, ec);
+ _last_write_times.push_back (ec ? 0 : last_write);
+}
+
+
+bool
+Content::changed () const
+{
+ bool write_time_changed = false;
+ for (auto i = 0U; i < _paths.size(); ++i) {
+ if (dcp::filesystem::last_write_time(_paths[i]) != last_write_time(i)) {
+ write_time_changed = true;
+ break;
+ }
+ }
+
+ return (write_time_changed || calculate_digest() != digest());
+}