refactor MIDISceneChange color property addition by moving it into SceneChange to...

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

diff --git a/libs/ardour/internal_send.cc b/libs/ardour/internal_send.cc
index 23d9221086f8455ad3b56439e6e9e4257f7e35e0..33b299dfeea9b88058b90590a8471e128b9e44ed 100644 (file)
--- a/libs/ardour/internal_send.cc
+++ b/libs/ardour/internal_send.cc
@@ -40,17 +40,25 @@ using namespace std;
 
 PBD::Signal1<void, pframes_t> InternalSend::CycleStart;
 
-InternalSend::InternalSend (Session& s, boost::shared_ptr<Pannable> p, boost::shared_ptr<MuteMaster> mm, boost::shared_ptr<Route> sendto, Delivery::Role role, bool ignore_bitslot)
+InternalSend::InternalSend (Session& s,
+               boost::shared_ptr<Pannable> p,
+               boost::shared_ptr<MuteMaster> mm,
+               boost::shared_ptr<Route> sendfrom,
+               boost::shared_ptr<Route> sendto,
+               Delivery::Role role,
+               bool ignore_bitslot)
        : Send (s, p, mm, role, ignore_bitslot)
+       , _send_from (sendfrom)
 {
-        if (sendto) {
-                if (use_target (sendto)) {
-                        throw failed_constructor();
-                }
-        }
+       if (sendto) {
+               if (use_target (sendto)) {
+                       throw failed_constructor();
+               }
+       }
 
        init_gain ();
 
+       _send_from->DropReferences.connect_same_thread (source_connection, boost::bind (&InternalSend::send_from_going_away, this));
        CycleStart.connect_same_thread (*this, boost::bind (&InternalSend::cycle_start, this, _1));
 }
 
@@ -110,6 +118,12 @@ InternalSend::target_io_changed ()
        reset_panner();
 }
 
+void
+InternalSend::send_from_going_away ()
+{
+       _send_from.reset();
+}
+
 void
 InternalSend::send_to_going_away ()
 {