Merge branch 'master' into cairocanvas

[ardour.git] / libs / ardour / region.cc

diff --git a/libs/ardour/region.cc b/libs/ardour/region.cc
index 847a72b23fb04cbb9302d00bdac5f947a0002a2b..1784cdbf3c1acac7cf3a64ec1299aefa4af40e77 100644 (file)
--- a/libs/ardour/region.cc
+++ b/libs/ardour/region.cc
@@ -1490,6 +1490,20 @@ Region::uses_source (boost::shared_ptr<const Source> source) const
                }
        }
 
+       for (SourceList::const_iterator i = _master_sources.begin(); i != _master_sources.end(); ++i) {
+               if (*i == source) {
+                       return true;
+               }
+
+               boost::shared_ptr<PlaylistSource> ps = boost::dynamic_pointer_cast<PlaylistSource> (*i);
+
+               if (ps) {
+                       if (ps->playlist()->uses_source (source)) {
+                               return true;
+                       }
+               }
+       }
+
        return false;
 }