keep invisible processors enabled.

fixes issues with --disable-plugins disabling internal returns
(and breaking existing aux-sends).

diff --git a/libs/ardour/route.cc b/libs/ardour/route.cc
index 7b4f1495fdba00dfe98e7659ce52edf07249cbef..432473657c913ca8db5e58c4f0742f80fc36617f 100644 (file)
--- a/libs/ardour/route.cc
+++ b/libs/ardour/route.cc
@@ -1215,7 +1215,7 @@ Route::add_processor (boost::shared_ptr<Processor> processor, boost::shared_ptr<
 
                }
 
-               if (activation_allowed && !_session.get_disable_all_loaded_plugins()) {
+               if (activation_allowed && (!_session.get_disable_all_loaded_plugins () || !processor->display_to_user ())) {
                        processor->activate ();
                }
 
@@ -1295,7 +1295,7 @@ Route::add_processor_from_xml_2X (const XMLNode& node, int version)
                //A2 uses the "active" flag in the toplevel redirect node, not in the child plugin/IO
                if (i != children.end()) {
                        if ((prop = (*i)->property (X_("active"))) != 0) {
-                               if ( string_is_affirmative (prop->value()) && !_session.get_disable_all_loaded_plugins() )
+                               if ( string_is_affirmative (prop->value()) && (!_session.get_disable_all_loaded_plugins () || !processor->display_to_user () ) )
                                        processor->activate();
                                else
                                        processor->deactivate();
@@ -4503,6 +4503,12 @@ Route::setup_invisible_processors ()
 
        _processors = new_processors;
 
+       for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
+               if (!(*i)->display_to_user () && !(*i)->active ()) {
+                       (*i)->activate ();
+               }
+       }
+
        DEBUG_TRACE (DEBUG::Processors, string_compose ("%1: setup_invisible_processors\n", _name));
        for (ProcessorList::iterator i = _processors.begin(); i != _processors.end(); ++i) {
                DEBUG_TRACE (DEBUG::Processors, string_compose ("\t%1\n", (*i)->name ()));