fix crash when copy'ing latent plugins
[ardour.git] / libs / ardour / route_group.cc
index 428855456573add04d8e6ab40f1541eb2c830202..1a7b98050cfe8fb961bb747ecee01a3d641a5599 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2000-2009 Paul Davis
+    Copyright (C) 2000-2016 Paul Davis
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
 
 #include "ardour/amp.h"
 #include "ardour/audio_track.h"
+#include "ardour/debug.h"
 #include "ardour/monitor_control.h"
 #include "ardour/route.h"
 #include "ardour/route_group.h"
 #include "ardour/session.h"
+#include "ardour/vca.h"
+#include "ardour/vca_manager.h"
 
-#include "i18n.h"
+#include "pbd/i18n.h"
 
 using namespace ARDOUR;
 using namespace PBD;
@@ -51,6 +54,7 @@ namespace ARDOUR {
                PropertyDescriptor<bool> group_route_active;
                PropertyDescriptor<bool> group_color;
                PropertyDescriptor<bool> group_monitoring;
+               PropertyDescriptor<int32_t> group_master_number;
        }
 }
 
@@ -75,9 +79,11 @@ RouteGroup::make_property_quarks ()
        Properties::group_route_active.property_id = g_quark_from_static_string (X_("route-active"));
         DEBUG_TRACE (DEBUG::Properties, string_compose ("quark for route-active = %1\n", Properties::group_route_active.property_id));
        Properties::group_color.property_id = g_quark_from_static_string (X_("color"));
-        DEBUG_TRACE (DEBUG::Properties, string_compose ("quark for color = %1\n",       Properties::group_color.property_id));
+        DEBUG_TRACE (DEBUG::Properties, string_compose ("quark for color = %1\n", Properties::group_color.property_id));
        Properties::group_monitoring.property_id = g_quark_from_static_string (X_("monitoring"));
-        DEBUG_TRACE (DEBUG::Properties, string_compose ("quark for monitoring = %1\n",       Properties::group_monitoring.property_id));
+        DEBUG_TRACE (DEBUG::Properties, string_compose ("quark for monitoring = %1\n", Properties::group_monitoring.property_id));
+       Properties::group_master_number.property_id = g_quark_from_static_string (X_("group-master-number"));
+        DEBUG_TRACE (DEBUG::Properties, string_compose ("quark for group-master-number = %1\n", Properties::group_master_number.property_id));
 }
 
 #define ROUTE_GROUP_DEFAULT_PROPERTIES  _relative (Properties::group_relative, true) \
@@ -90,7 +96,8 @@ RouteGroup::make_property_quarks ()
        , _select (Properties::group_select, true) \
        , _route_active (Properties::group_route_active, true) \
        , _color (Properties::group_color, true) \
-       , _monitoring (Properties::group_monitoring, true)
+       , _monitoring (Properties::group_monitoring, true) \
+       , _group_master_number (Properties::group_master_number, -1)
 
 RouteGroup::RouteGroup (Session& s, const string &n)
        : SessionObject (s, n)
@@ -99,7 +106,7 @@ RouteGroup::RouteGroup (Session& s, const string &n)
        , _solo_group (new ControlGroup (SoloAutomation))
        , _mute_group (new ControlGroup (MuteAutomation))
        , _rec_enable_group (new ControlGroup (RecEnableAutomation))
-       , _gain_group (new ControlGroup (GainAutomation))
+       , _gain_group (new GainControlGroup ())
        , _monitoring_group (new ControlGroup (MonitoringAutomation))
 {
        _xml_node_name = X_("RouteGroup");
@@ -115,6 +122,7 @@ RouteGroup::RouteGroup (Session& s, const string &n)
        add_property (_route_active);
        add_property (_color);
        add_property (_monitoring);
+       add_property (_group_master_number);
 }
 
 RouteGroup::~RouteGroup ()
@@ -125,12 +133,18 @@ RouteGroup::~RouteGroup ()
        _rec_enable_group->clear ();
        _monitoring_group->clear ();
 
+       boost::shared_ptr<VCA> vca (group_master.lock());
+
        for (RouteList::iterator i = routes->begin(); i != routes->end();) {
                RouteList::iterator tmp = i;
                ++tmp;
 
                (*i)->set_route_group (0);
 
+               if (vca) {
+                       (*i)->unassign (vca);
+               }
+
                i = tmp;
        }
 }
@@ -163,6 +177,12 @@ RouteGroup::add (boost::shared_ptr<Route> r)
        r->set_route_group (this);
        r->DropReferences.connect_same_thread (*this, boost::bind (&RouteGroup::remove_when_going_away, this, boost::weak_ptr<Route> (r)));
 
+       boost::shared_ptr<VCA> vca (group_master.lock());
+
+       if (vca) {
+               r->assign  (vca);
+       }
+
        _session.set_dirty ();
        RouteAdded (this, boost::weak_ptr<Route> (r)); /* EMIT SIGNAL */
        return 0;
@@ -185,6 +205,13 @@ RouteGroup::remove (boost::shared_ptr<Route> r)
 
        if ((i = find (routes->begin(), routes->end(), r)) != routes->end()) {
                r->set_route_group (0);
+
+               boost::shared_ptr<VCA> vca = group_master.lock();
+
+               if (vca) {
+                       r->unassign (vca);
+               }
+
                _solo_group->remove_control (r->solo_control());
                _mute_group->remove_control (r->mute_control());
                _gain_group->remove_control (r->gain_control());
@@ -254,6 +281,17 @@ RouteGroup::set_state (const XMLNode& node, int version)
                }
        }
 
+       if (_group_master_number.val() > 0) {
+               boost::shared_ptr<VCA> vca = _session.vca_manager().vca_by_number (_group_master_number.val());
+               if (vca) {
+                       /* no need to do the assignment because slaves will
+                          handle that themselves. But we can set group_master
+                          to use with future assignments of newly added routes.
+                       */
+                       group_master = vca;
+               }
+       }
+
        push_to_groups ();
 
        return 0;
@@ -291,6 +329,10 @@ RouteGroup::set_gain (bool yn)
        if (is_gain() == yn) {
                return;
        }
+       if (has_control_master()) {
+               return;
+       }
+
        _gain = yn;
        _gain_group->set_active (yn);
 
@@ -395,6 +437,9 @@ RouteGroup::set_active (bool yn, void* /*src*/)
        }
 
        _active = yn;
+
+       push_to_groups ();
+
        send_change (PropertyChange (Properties::active));
        _session.set_dirty ();
 }
@@ -405,7 +450,11 @@ RouteGroup::set_relative (bool yn, void* /*src*/)
        if (is_relative() == yn) {
                return;
        }
+
        _relative = yn;
+
+       push_to_groups ();
+
        send_change (PropertyChange (Properties::group_relative));
        _session.set_dirty ();
 }
@@ -539,11 +588,25 @@ RouteGroup::post_set (PBD::PropertyChange const &)
 void
 RouteGroup::push_to_groups ()
 {
-       _gain_group->set_active (_gain);
-       _solo_group->set_active (_solo);
-       _mute_group->set_active (_mute);
-       _rec_enable_group->set_active (_recenable);
-       _monitoring_group->set_active (_monitoring);
+       if (is_relative()) {
+               _gain_group->set_mode (ControlGroup::Mode (_gain_group->mode()|ControlGroup::Relative));
+       } else {
+               _gain_group->set_mode (ControlGroup::Mode (_gain_group->mode()&~ControlGroup::Relative));
+       }
+
+       if (_active) {
+               _gain_group->set_active (is_gain());
+               _solo_group->set_active (is_solo());
+               _mute_group->set_active (is_mute());
+               _rec_enable_group->set_active (is_recenable());
+               _monitoring_group->set_active (is_monitoring());
+       } else {
+               _gain_group->set_active (false);
+               _solo_group->set_active (false);
+               _mute_group->set_active (false);
+               _rec_enable_group->set_active (false);
+               _monitoring_group->set_active (false);
+       }
 }
 
 void
@@ -562,6 +625,9 @@ RouteGroup::assign_master (boost::shared_ptr<VCA> master)
        for (RouteList::iterator r = routes->begin(); r != routes->end(); ++r) {
                (*r)->assign (master);
        }
+
+       group_master = master;
+       _group_master_number = master->number();
 }
 
 void
@@ -580,6 +646,9 @@ RouteGroup::unassign_master (boost::shared_ptr<VCA> master)
        for (RouteList::iterator r = routes->begin(); r != routes->end(); ++r) {
                (*r)->unassign (master);
        }
+
+       group_master.reset ();
+       _group_master_number = -1;
 }
 
 bool
@@ -591,3 +660,9 @@ RouteGroup::slaved () const
 
        return routes->front()->slaved ();
 }
+
+bool
+RouteGroup::has_control_master() const
+{
+       return group_master.lock() != 0;
+}