Disallow referencing of things which are not present in DCPs.

diff --git a/src/lib/dcp_content.cc b/src/lib/dcp_content.cc
index c072dfa3d115a50b3774efaecf76ff536f9bac41..85fbee0128d211657855867a43a92944f0502d21 100644 (file)
--- a/src/lib/dcp_content.cc
+++ b/src/lib/dcp_content.cc
@@ -324,11 +324,27 @@ DCPContent::can_reference_video (list<string>& why_not) const
 bool
 DCPContent::can_reference_audio (list<string>& why_not) const
 {
+       DCPDecoder decoder (shared_from_this(), false);
+       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<AudioContent> (_("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(), false);
+       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<SubtitleContent> (_("There is other subtitle content overlapping this DCP; remove it."), why_not);
 }