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/vca.h"
30 #include "ardour/vca_manager.h"
35 using namespace ARDOUR;
37 std::string Slavable::xml_node_name = X_("Slavable");
38 PBD::Signal1<void,VCAManager*> Slavable::Assign; /* signal sent once
39 * assignment is possible */
43 Assign.connect_same_thread (assign_connection, boost::bind (&Slavable::do_assign, this, _1));
47 Slavable::get_state () const
49 XMLNode* node = new XMLNode (xml_node_name);
52 Glib::Threads::RWLock::ReaderLock lm (master_lock);
53 for (std::set<uint32_t>::const_iterator i = _masters.begin(); i != _masters.end(); ++i) {
54 child = new XMLNode (X_("Master"));
55 child->add_property (X_("number"), to_string (*i, std::dec));
56 node->add_child_nocopy (*child);
63 Slavable::set_state (XMLNode const& node, int version)
65 if (node.name() != xml_node_name) {
69 XMLNodeList const& children (node.children());
70 Glib::Threads::RWLock::WriterLock lm (master_lock);
72 for (XMLNodeList::const_iterator i = children.begin(); i != children.end(); ++i) {
73 if ((*i)->name() == X_("Master")) {
74 XMLProperty const* prop = (*i)->property (X_("number"));
76 uint32_t n = atoi (prop->value());
86 Slavable::do_assign (VCAManager* manager)
88 std::vector<boost::shared_ptr<VCA> > vcas;
91 Glib::Threads::RWLock::ReaderLock lm (master_lock);
93 for (std::set<uint32_t>::const_iterator i = _masters.begin(); i != _masters.end(); ++i) {
94 boost::shared_ptr<VCA> v = manager->vca_by_number (*i);
98 warning << string_compose (_("Master #%1 not found, assignment lost"), *i) << endmsg;
103 /* now that we've released the lock, we can do the assignments */
105 for (std::vector<boost::shared_ptr<VCA> >::iterator v = vcas.begin(); v != vcas.end(); ++v) {
109 assign_connection.disconnect ();
115 Slavable::assign (boost::shared_ptr<VCA> v)
117 Glib::Threads::RWLock::WriterLock lm (master_lock);
118 if (assign_controls (v) == 0) {
119 _masters.insert (v->number());
124 Slavable::unassign (boost::shared_ptr<VCA> v)
126 Glib::Threads::RWLock::WriterLock lm (master_lock);
127 (void) unassign_controls (v);
128 _masters.erase (v->number());