KDMWithMetadataPtr p = kdm_for_screen (film, _cpl->cpl(), i, _timing->from(), _timing->until(), _output->formulation(), !_output->forensic_mark_video(), for_audio);
if (p) {
kdms.push_back (p);
KDMWithMetadataPtr p = kdm_for_screen (film, _cpl->cpl(), i, _timing->from(), _timing->until(), _output->formulation(), !_output->forensic_mark_video(), for_audio);
if (p) {
kdms.push_back (p);