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livetrax/libs/ardour/midi_automation_list_binder.cc

70 lines
2.1 KiB
C++

/*
Copyright (C) 2010 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 "ardour/midi_automation_list_binder.h"
#include "ardour/automation_list.h"
#include "ardour/automation_control.h"
#include "ardour/midi_source.h"
#include "ardour/midi_model.h"
using namespace ARDOUR;
MidiAutomationListBinder::MidiAutomationListBinder (boost::shared_ptr<MidiSource> s, Evoral::Parameter p)
: _source (s)
, _parameter (p)
{
}
MidiAutomationListBinder::MidiAutomationListBinder (XMLNode* node, Session::SourceMap const & sources)
: _parameter (0, 0, 0)
{
std::string id_str;
std::string parameter_str;
if (!node->get_property ("source-id", id_str) ||
!node->get_property ("parameter", parameter_str)) {
assert (false);
}
Session::SourceMap::const_iterator i = sources.find (PBD::ID (id_str));
assert (i != sources.end());
_source = boost::dynamic_pointer_cast<MidiSource> (i->second);
_parameter = EventTypeMap::instance().from_symbol (parameter_str);
}
AutomationList*
MidiAutomationListBinder::get () const
{
boost::shared_ptr<MidiModel> model = _source->model ();
assert (model);
boost::shared_ptr<AutomationControl> control = model->automation_control (_parameter);
assert (control);
return control->alist().get();
}
void
MidiAutomationListBinder::add_state (XMLNode* node)
{
node->set_property ("source-id", _source->id().to_s());
node->set_property ("parameter", EventTypeMap::instance().to_symbol (_parameter));
}