+ auto film = _film.lock ();
+ DCPOMATIC_ASSERT (film);
+
+ list<KDMWithMetadataPtr> kdms;
+ try {
+ /* Start off by enabling forensic marking for all */
+ optional<int> for_audio;
+ if (!_output->forensic_mark_audio()) {
+ /* No forensic marking for audio */
+ for_audio = 0;
+ } else if (_output->forensic_mark_audio_up_to()) {
+ /* Forensic mark up to this channel; disabled on channels greater than this */
+ for_audio = _output->forensic_mark_audio_up_to();
+ }
+
+ vector<KDMCertificatePeriod> period_checks;
+
+ std::function<dcp::DecryptedKDM (dcp::LocalTime, dcp::LocalTime)> make_kdm = [film, this](dcp::LocalTime begin, dcp::LocalTime end) {
+ return film->make_kdm(_cpl->cpl(), begin, end);
+ };
+
+ for (auto i: _screens->screens()) {
+ auto p = kdm_for_screen(make_kdm, i, _timing->from(), _timing->until(), _output->formulation(), !_output->forensic_mark_video(), for_audio, period_checks);
+ if (p) {
+ kdms.push_back (p);
+ }
+ }
+
+ if (
+ find_if(
+ period_checks.begin(),
+ period_checks.end(),
+ [](KDMCertificatePeriod const& p) { return p.overlap != KDMCertificateOverlap::KDM_WITHIN_CERTIFICATE; }
+ ) != period_checks.end()) {
+ InvalidCertificatePeriodDialog dialog(this, period_checks);
+ if (dialog.ShowModal() == wxID_CANCEL) {
+ return;
+ }
+ }
+
+ } catch (dcp::BadKDMDateError& e) {
+ if (e.starts_too_early()) {
+ error_dialog (this, _("The KDM start period is before (or close to) the start of the signing certificate's validity period. Use a later start time for this KDM."));
+ } else {
+ error_dialog (this, _("The KDM end period is after (or close to) the end of the signing certificates' validity period. Either use an earlier end time for this KDM or re-create your signing certificates in the DCP-o-matic preferences window."));
+ }
+ return;
+ } catch (runtime_error& e) {
+ error_dialog (this, std_to_wx(e.what()));
+ return;
+ }