forward port 7015 from 2.x

git-svn-id: svn://localhost/ardour2/branches/3.0@7658 d708f5d6-7413-0410-9779-e7cbd77b26cf

gtk2_ardour/editor_selection.cc

@@ -1286,6 +1286,10 @@ Editor::select_range_between ()
         nframes64_t start;
 	nframes64_t end;
 
+        if (mouse_mode == MouseRange && !selection->time.empty()) {
+                selection->clear_time ();
+        }
+
 	if (!get_edit_op_range (start, end)) {
 		return;
 	}

libs/ardour/route.cc

@@ -484,6 +484,10 @@ Route::process_output_buffers (BufferSet& bufs,
 		}
 		assert (bufs.count() == (*i)->input_streams());
                 
+                /* should we NOT run plugins here if the route is inactive?
+                   do we catch route != active somewhere higher?
+                */
+
 		(*i)->run (bufs, start_frame, end_frame, nframes, *i != _processors.back());
 		bufs.set_count ((*i)->output_streams());
 	}