film->set_dcp_content_type (DCPContentType::from_isdcf_name ("TST"));
film->set_audio_processor (AudioProcessor::from_id ("mid-side-decoder"));
film->set_dcp_content_type (DCPContentType::from_isdcf_name ("TST"));
film->set_audio_processor (AudioProcessor::from_id ("mid-side-decoder"));