+
+bool
+DCPContent::can_reference (function<shared_ptr<ContentPart> (shared_ptr<const Content>)> part, string overlapping, list<string>& why_not) const
+{
+ /* We must be using the same standard as the film */
+ if (_standard) {
+ if (_standard.get() == dcp::INTEROP && !film()->interop()) {
+ why_not.push_back (_("The film is set to SMPTE and this DCP is Interop."));
+ return false;
+ } else if (_standard.get() == dcp::SMPTE && film()->interop()) {
+ why_not.push_back (_("The film is set to Interop and this DCP is SMPTE."));
+ return false;
+ }
+ }
+
+ /* And the same frame rate */
+ if (!video_frame_rate() || (lrint(video_frame_rate().get()) != film()->video_frame_rate())) {
+ why_not.push_back (_("The film has a different frame rate to this DCP."));
+ return false;
+ }
+
+ list<DCPTimePeriod> const fr = film()->reels ();
+
+ /* fr must contain reels(). It can also contain other reels, but it must at
+ least contain reels().
+ */
+ BOOST_FOREACH (DCPTimePeriod i, reels()) {
+ if (find (fr.begin(), fr.end(), i) == fr.end ()) {
+ why_not.push_back (_("The reel lengths in the film differ from those in the DCP; set the reel mode to 'split by video content'."));
+ return false;
+ }
+ }
+
+ ContentList a = overlaps (film()->content(), part, position(), end());
+ if (a.size() != 1 || a.front().get() != this) {
+ why_not.push_back (overlapping);
+ return false;
+ }
+
+ return true;
+}
+
+bool
+DCPContent::can_reference_video (list<string>& why_not) const
+{
+ return can_reference (bind (&Content::video, _1), _("There is other video content overlapping this DCP; remove it."), why_not);
+}
+
+bool
+DCPContent::can_reference_audio (list<string>& why_not) const
+{
+ DCPDecoder decoder (shared_from_this(), film()->log());
+ BOOST_FOREACH (shared_ptr<dcp::Reel> i, decoder.reels()) {
+ if (!i->main_sound()) {
+ why_not.push_back (_("The DCP does not have sound in all reels."));
+ return false;
+ }
+ }
+
+ return can_reference (bind (&Content::audio, _1), _("There is other audio content overlapping this DCP; remove it."), why_not);
+}
+
+bool
+DCPContent::can_reference_subtitle (list<string>& why_not) const
+{
+ DCPDecoder decoder (shared_from_this(), film()->log());
+ BOOST_FOREACH (shared_ptr<dcp::Reel> i, decoder.reels()) {
+ if (!i->main_subtitle()) {
+ why_not.push_back (_("The DCP does not have subtitles in all reels."));
+ return false;
+ }
+ }
+
+ return can_reference (bind (&Content::subtitle, _1), _("There is other subtitle content overlapping this DCP; remove it."), why_not);
+}
+
+void
+DCPContent::use_template (shared_ptr<const Content> c)
+{
+ shared_ptr<const DCPContent> dc = dynamic_pointer_cast<const DCPContent> (c);
+ DCPOMATIC_ASSERT (dc);
+
+ _reference_video = dc->_reference_video;
+ _reference_audio = dc->_reference_audio;
+ _reference_subtitle = dc->_reference_subtitle;
+}