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livetrax/libs/ardour/readonly_control.cc
Paul Davis b35518e212 switch from boost::{shared,weak}_ptr to std::{shared,weak}_ptr
This is mostly a simple lexical search+replace but the absence of operator< for
std::weak_ptr<T> leads to some complications, particularly with Evoral::Sequence
and ExportPortChannel.
2023-03-24 14:19:15 -06:00

51 lines
1.5 KiB
C++

/*
* Copyright (C) 2017 Robin Gareus <robin@gareus.org>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "pbd/destructible.h"
#include "ardour/plugin.h"
#include "ardour/readonly_control.h"
using namespace ARDOUR;
ReadOnlyControl::ReadOnlyControl (std::shared_ptr<Plugin> p, const ParameterDescriptor& desc, uint32_t pnum)
: _plugin (std::weak_ptr<Plugin> (p))
, _desc (desc)
, _parameter_num (pnum)
{ }
double
ReadOnlyControl::get_parameter () const
{
std::shared_ptr<Plugin> p = _plugin.lock();
if (p) {
return p->get_parameter (_parameter_num);
}
return 0;
}
std::string
ReadOnlyControl::describe_parameter ()
{
std::shared_ptr<Plugin> p = _plugin.lock();
if (p) {
return p->describe_parameter (Evoral::Parameter (ARDOUR::PluginAutomation, 0, _parameter_num));
}
return "";
}