empty_text_asset(TextType::CLOSED_CAPTION, i), duration, reel, refs, fonts, _default_font, film(), _period, output_dcp, _text_only
);
DCPOMATIC_ASSERT (a);
empty_text_asset(TextType::CLOSED_CAPTION, i), duration, reel, refs, fonts, _default_font, film(), _period, output_dcp, _text_only
);
DCPOMATIC_ASSERT (a);