2 files changed, 45 insertions, 1 deletions

diff --git a/gtk2_ardour/editor_export_audio.cc b/gtk2_ardour/editor_export_audio.cc
index 59109c508e..928a9809bc 100644
--- a/gtk2_ardour/editor_export_audio.cc
+++ b/gtk2_ardour/editor_export_audio.cc
@@ -25,6 +25,8 @@
 
 #include <gtkmm/messagedialog.h>
 
+#include "gtkmm2ext/choice.h"
+
 #include "export_dialog.h"
 #include "editor.h"
 #include "public_editor.h"
@@ -139,9 +141,25 @@ Editor::bounce_region_selection ()
 {
 	for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
 
+		RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (&(*i)->get_time_axis_view());
+		boost::shared_ptr<Track> track = boost::dynamic_pointer_cast<Track> (rtv->route());
+
+		if (!track->bounceable()) {
+			MessageDialog d (
+				_("One or more of the selected regions' tracks cannot be bounced because it has more outputs than inputs.  "
+				  "You can fix this by increasing the number of inputs on that track.")
+				);
+			d.set_title (_("Cannot bounce"));
+			d.run ();
+			return;
+		}
+	}
+
+	for (RegionSelection::iterator i = selection->regions.begin(); i != selection->regions.end(); ++i) {
+
 		boost::shared_ptr<Region> region ((*i)->region());
 		RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*>(&(*i)->get_time_axis_view());
-		Track* track = dynamic_cast<Track*>(rtv->route().get());
+		boost::shared_ptr<Track> track = boost::dynamic_pointer_cast<Track> (rtv->route());
 
 		InterThreadInfo itt;
 
diff --git a/gtk2_ardour/editor_ops.cc b/gtk2_ardour/editor_ops.cc
index 4bf5a70cd8..77b2f40bcc 100644
--- a/gtk2_ardour/editor_ops.cc
+++ b/gtk2_ardour/editor_ops.cc
@@ -3547,6 +3547,19 @@ Editor::freeze_route ()
 		return;
 	}
 
+	if (!clicked_routeview->track()->bounceable()) {
+		RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (clicked_routeview);
+		if (rtv && !rtv->track()->bounceable()) {
+			MessageDialog d (
+				_("This route cannot be frozen because it has more outputs than inputs.  "
+				  "You can fix this by increasing the number of inputs.")
+				);
+			d.set_title (_("Cannot freeze"));
+			d.run ();
+			return;
+		}
+	}
+
 	InterThreadInfo itt;
 	current_interthread_info = &itt;
 
@@ -3573,6 +3586,19 @@ Editor::bounce_range_selection (bool replace, bool enable_processing)
 
 	TrackSelection views = selection->tracks;
 
+	for (TrackViewList::iterator i = views.begin(); i != views.end(); ++i) {
+		RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (*i);
+		if (rtv && !rtv->track()->bounceable()) {
+			MessageDialog d (
+				_("One or more selected tracks cannot be bounced because it has more outputs than inputs.  "
+				  "You can fix this by increasing the number of inputs on that track.")
+				);
+			d.set_title (_("Cannot bounce"));
+			d.run ();
+			return;
+		}
+	}
+
 	framepos_t start = selection->time[clicked_selection].start;
 	framepos_t end = selection->time[clicked_selection].end;
 	framepos_t cnt = end - start + 1;