2 Copyright (C) 2016 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include <glibmm/threads.h>
24 #include "pbd/convert.h"
25 #include "pbd/error.h"
26 #include "pbd/xml++.h"
28 #include "ardour/slavable.h"
29 #include "ardour/slavable_automation_control.h"
30 #include "ardour/vca.h"
31 #include "ardour/vca_manager.h"
36 using namespace ARDOUR;
38 std::string Slavable::xml_node_name = X_("Slavable");
39 PBD::Signal1<void,VCAManager*> Slavable::Assign; /* signal sent once
40 * assignment is possible */
44 Assign.connect_same_thread (assign_connection, boost::bind (&Slavable::do_assign, this, _1));
48 Slavable::get_state () const
50 XMLNode* node = new XMLNode (xml_node_name);
53 Glib::Threads::RWLock::ReaderLock lm (master_lock);
54 for (std::set<uint32_t>::const_iterator i = _masters.begin(); i != _masters.end(); ++i) {
55 child = new XMLNode (X_("Master"));
56 child->set_property (X_("number"), *i);
57 node->add_child_nocopy (*child);
63 std::vector<boost::shared_ptr<VCA> >
64 Slavable::masters (VCAManager* manager) const
66 std::vector<boost::shared_ptr<VCA> > rv;
67 Glib::Threads::RWLock::ReaderLock lm (master_lock);
68 for (std::set<uint32_t>::const_iterator i = _masters.begin(); i != _masters.end(); ++i) {
69 rv.push_back (manager->vca_by_number (*i));
75 Slavable::assigned_to (VCAManager* manager, boost::shared_ptr<VCA> mst) const
77 if (mst.get () == this) {
80 std::vector<boost::shared_ptr<VCA> > ml = mst->masters (manager);
81 for (std::vector<boost::shared_ptr<VCA> >::const_iterator i = ml.begin (); i != ml.end(); ++i) {
82 if (assigned_to (manager, *i)) {
90 Slavable::set_state (XMLNode const& node, int version)
92 if (node.name() != xml_node_name) {
96 XMLNodeList const& children (node.children());
97 Glib::Threads::RWLock::WriterLock lm (master_lock);
99 for (XMLNodeList::const_iterator i = children.begin(); i != children.end(); ++i) {
100 if ((*i)->name() == X_("Master")) {
102 if ((*i)->get_property (X_("number"), n)) {
112 Slavable::do_assign (VCAManager* manager)
114 std::vector<boost::shared_ptr<VCA> > vcas;
117 Glib::Threads::RWLock::ReaderLock lm (master_lock);
119 for (std::set<uint32_t>::const_iterator i = _masters.begin(); i != _masters.end(); ++i) {
120 boost::shared_ptr<VCA> v = manager->vca_by_number (*i);
124 warning << string_compose (_("Master #%1 not found, assignment lost"), *i) << endmsg;
129 /* now that we've released the lock, we can do the assignments */
133 for (std::vector<boost::shared_ptr<VCA> >::iterator v = vcas.begin(); v != vcas.end(); ++v) {
137 SlavableControlList scl = slavables ();
138 for (SlavableControlList::iterator i = scl.begin(); i != scl.end(); ++i) {
139 (*i)->use_saved_master_ratios ();
143 assign_connection.disconnect ();
149 Slavable::assign (boost::shared_ptr<VCA> v)
153 Glib::Threads::RWLock::WriterLock lm (master_lock);
154 if (assign_controls (v)) {
155 _masters.insert (v->number());
158 /* Do NOT use ::unassign() because it will store a
159 * boost::shared_ptr<VCA> in the functor, leaving a dangling ref to the
164 v->Drop.connect_same_thread (unassign_connections, boost::bind (&Slavable::weak_unassign, this, boost::weak_ptr<VCA>(v)));
165 v->DropReferences.connect_same_thread (unassign_connections, boost::bind (&Slavable::weak_unassign, this, boost::weak_ptr<VCA>(v)));
168 AssignmentChange (v, true);
172 Slavable::weak_unassign (boost::weak_ptr<VCA> v)
174 boost::shared_ptr<VCA> sv (v.lock());
181 Slavable::unassign (boost::shared_ptr<VCA> v)
184 Glib::Threads::RWLock::WriterLock lm (master_lock);
186 unassign_controls (v);
188 _masters.erase (v->number());
193 AssignmentChange (v, false);
197 Slavable::assign_controls (boost::shared_ptr<VCA> vca)
200 SlavableControlList scl = slavables ();
201 for (SlavableControlList::iterator i = scl.begin(); i != scl.end(); ++i) {
202 rv |= assign_control (vca, *i);
208 Slavable::unassign_controls (boost::shared_ptr<VCA> vca)
210 SlavableControlList scl = slavables ();
211 for (SlavableControlList::iterator i = scl.begin(); i != scl.end(); ++i) {
212 unassign_control (vca, *i);
217 Slavable::assign_control (boost::shared_ptr<VCA> vca, boost::shared_ptr<SlavableAutomationControl> slave)
219 boost::shared_ptr<AutomationControl> master;
220 master = vca->automation_control (slave->parameter());
224 slave->add_master (master);
229 Slavable::unassign_control (boost::shared_ptr<VCA> vca, boost::shared_ptr<SlavableAutomationControl> slave)
232 /* unassign from all */
233 slave->clear_masters ();
235 boost::shared_ptr<AutomationControl> master;
236 master = vca->automation_control (slave->parameter());
238 slave->remove_master (master);