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/*
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 "pbd/convert.h"
#include "ardour/automation_control.h"
#include "ardour/gain_control.h"
#include "ardour/route.h"
#include "ardour/vca.h"
#include "i18n.h"
using namespace ARDOUR;
using namespace PBD;
using std::string;
gint VCA::next_number = 0;
string VCA::xml_node_name (X_("VCA"));
string
VCA::default_name_template ()
{
return _("VCA %n");
}
int
VCA::next_vca_number ()
{
/* recall that atomic_int_add() returns the value before the add */
return g_atomic_int_add (&next_number, 1) + 1;
}
VCA::VCA (Session& s, const string& name, uint32_t num)
: SessionHandleRef (s)
, Automatable (s)
, _number (num)
, _name (name)
, _control (new GainControl (s, Evoral::Parameter (GainAutomation), boost::shared_ptr<AutomationList> ()))
{
add_control (_control);
}
VCA::VCA (Session& s, XMLNode const & node, int version)
: SessionHandleRef (s)
, Automatable (s)
, _number (0)
, _control (new GainControl (s, Evoral::Parameter (GainAutomation), boost::shared_ptr<AutomationList> ()))
{
add_control (_control);
set_state (node, version);
}
VCA::~VCA ()
{
DropReferences (); /* emit signal */
}
void
VCA::set_value (double val, Controllable::GroupControlDisposition gcd)
{
_control->set_value (val, gcd);
}
double
VCA::get_value() const
{
return _control->get_value();
}
void
VCA::set_name (string const& str)
{
_name = str;
}
XMLNode&
VCA::get_state ()
{
XMLNode* node = new XMLNode (xml_node_name);
node->add_property (X_("name"), _name);
node->add_property (X_("number"), _number);
node->add_child_nocopy (_control->get_state());
node->add_child_nocopy (get_automation_xml_state());
return *node;
}
int
VCA::set_state (XMLNode const& node, int version)
{
XMLProperty const* prop;
if ((prop = node.property ("name")) != 0) {
set_name (prop->value());
}
if ((prop = node.property ("number")) != 0) {
_number = atoi (prop->value());
}
XMLNodeList const &children (node.children());
for (XMLNodeList::const_iterator i = children.begin(); i != children.end(); ++i) {
if ((*i)->name() == Controllable::xml_node_name) {
XMLProperty* prop = (*i)->property ("name");
if (prop && prop->value() == X_("gaincontrol")) {
_control->set_state (**i, version);
}
}
}
return 0;
}
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