j.effect_colour.get_value_or(sub::Colour(0, 0, 0)).dcp(),
/* Hack: we should use subtitle.fade_up and subtitle.fade_down here
but the times of these often don't have a frame rate associated
j.effect_colour.get_value_or(sub::Colour(0, 0, 0)).dcp(),
/* Hack: we should use subtitle.fade_up and subtitle.fade_down here
but the times of these often don't have a frame rate associated