+ if (audio && c->audio) {
+ audio->take_settings_from (c->audio);
+ }
+
+ list<shared_ptr<CaptionContent> >::iterator i = caption.begin ();
+ list<shared_ptr<CaptionContent> >::const_iterator j = c->caption.begin ();
+ while (i != caption.end() && j != c->caption.end()) {
+ (*i)->take_settings_from (*j);
+ ++i;
+ ++j;
+ }
+}
+
+shared_ptr<CaptionContent>
+Content::only_caption () const
+{
+ DCPOMATIC_ASSERT (caption.size() < 2);
+ if (caption.empty ()) {
+ return shared_ptr<CaptionContent> ();
+ }
+ return caption.front ();
+}
+
+shared_ptr<CaptionContent>
+Content::caption_of_original_type (CaptionType type) const
+{
+ BOOST_FOREACH (shared_ptr<CaptionContent> i, caption) {
+ if (i->original_type() == type) {
+ return i;
+ }
+ }
+
+ return shared_ptr<CaptionContent> ();