Merge libs/ardour and gtk2_ardour with 2.0-ongoing R2837.

[ardour.git] / libs / ardour / ardour / source.h

diff --git a/libs/ardour/ardour/source.h b/libs/ardour/ardour/source.h
index 6f323dd8786ea8001e2c6acc54bb243f83d34107..869111bb0784a404498dce37704576b95c8892f6 100644 (file)
--- a/libs/ardour/ardour/source.h
+++ b/libs/ardour/ardour/source.h
@@ -63,6 +63,8 @@ class Source : public SessionObject
        XMLNode& get_state ();
        int set_state (const XMLNode&);
        
+       virtual bool destructive() const { return false; }
+       
        void use () { _in_use++; }
        void disuse () { if (_in_use) { _in_use--; } }