auto film = new_test_film2 ("closed_caption_test2", { content1, content2, content3 }, &cl);
content1->only_text()->set_type (TextType::CLOSED_CAPTION);
auto film = new_test_film2 ("closed_caption_test2", { content1, content2, content3 }, &cl);
content1->only_text()->set_type (TextType::CLOSED_CAPTION);