output.tag.set_title("IVTC");
output.tag.set_property("FRAME_OFFSET", config.frame_offset);
output.tag.set_property("FIRST_FIELD", config.first_field);
output.tag.set_title("IVTC");
output.tag.set_property("FRAME_OFFSET", config.frame_offset);
output.tag.set_property("FIRST_FIELD", config.first_field);