for (int i = 0; i < examiner->text_count(TextType::CLOSED_CAPTION); ++i) {
auto c = make_shared<TextContent>(this, TextType::CLOSED_CAPTION, TextType::CLOSED_CAPTION);
c->set_dcp_track (examiner->dcp_text_track(i));
for (int i = 0; i < examiner->text_count(TextType::CLOSED_CAPTION); ++i) {
auto c = make_shared<TextContent>(this, TextType::CLOSED_CAPTION, TextType::CLOSED_CAPTION);
c->set_dcp_track (examiner->dcp_text_track(i));