1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
/*
Copyright (C) 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
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <vector>
#include <glibmm/threads.h>
#include "pbd/convert.h"
#include "pbd/error.h"
#include "pbd/xml++.h"
#include "ardour/slavable.h"
#include "ardour/vca.h"
#include "ardour/vca_manager.h"
#include "i18n.h"
using namespace PBD;
using namespace ARDOUR;
std::string Slavable::xml_node_name = X_("Slavable");
PBD::Signal1<void,VCAManager*> Slavable::Assign; /* signal sent once
* assignment is possible */
Slavable::Slavable ()
{
Assign.connect_same_thread (assign_connection, boost::bind (&Slavable::do_assign, this, _1));
}
XMLNode&
Slavable::get_state () const
{
XMLNode* node = new XMLNode (xml_node_name);
XMLNode* child;
Glib::Threads::RWLock::ReaderLock lm (master_lock);
for (std::set<uint32_t>::const_iterator i = _masters.begin(); i != _masters.end(); ++i) {
child = new XMLNode (X_("Master"));
child->add_property (X_("number"), to_string (*i, std::dec));
node->add_child_nocopy (*child);
}
return *node;
}
int
Slavable::set_state (XMLNode const& node, int version)
{
if (node.name() != xml_node_name) {
return -1;
}
XMLNodeList const& children (node.children());
Glib::Threads::RWLock::WriterLock lm (master_lock);
for (XMLNodeList::const_iterator i = children.begin(); i != children.end(); ++i) {
if ((*i)->name() == X_("Master")) {
XMLProperty const* prop = (*i)->property (X_("number"));
if (prop) {
uint32_t n = atoi (prop->value());
_masters.insert (n);
}
}
}
return 0;
}
int
Slavable::do_assign (VCAManager* manager)
{
std::vector<boost::shared_ptr<VCA> > vcas;
{
Glib::Threads::RWLock::ReaderLock lm (master_lock);
for (std::set<uint32_t>::const_iterator i = _masters.begin(); i != _masters.end(); ++i) {
boost::shared_ptr<VCA> v = manager->vca_by_number (*i);
if (v) {
vcas.push_back (v);
} else {
warning << string_compose (_("Master #%1 not found, assignment lost"), *i) << endmsg;
}
}
}
/* now that we've released the lock, we can do the assignments */
for (std::vector<boost::shared_ptr<VCA> >::iterator v = vcas.begin(); v != vcas.end(); ++v) {
assign (*v);
}
assign_connection.disconnect ();
return 0;
}
void
Slavable::assign (boost::shared_ptr<VCA> v)
{
Glib::Threads::RWLock::WriterLock lm (master_lock);
if (assign_controls (v) == 0) {
_masters.insert (v->number());
}
}
void
Slavable::unassign (boost::shared_ptr<VCA> v)
{
Glib::Threads::RWLock::WriterLock lm (master_lock);
(void) unassign_controls (v);
_masters.erase (v->number());
}
|
