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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.
*/
#ifndef __libardour_control_group_h__
#define __libardour_control_group_h__
#include <map>
#include <vector>
#include <boost/shared_ptr.hpp>
#include <boost/enable_shared_from_this.hpp>
#include <glibmm/threads.h>
#include "pbd/controllable.h"
#include "evoral/Parameter.hpp"
#include "ardour/automation_control.h"
#include "ardour/types.h"
namespace ARDOUR {
class LIBARDOUR_API ControlGroup : public boost::enable_shared_from_this<ControlGroup>
{
public:
ControlGroup (Evoral::Parameter p);
virtual ~ControlGroup ();
enum Mode {
Relative = 0x1,
Inverted = 0x2,
};
int add_control (boost::shared_ptr<AutomationControl>);
int remove_control (boost::shared_ptr<AutomationControl>);
ControlList controls () const;
void clear ();
void set_active (bool);
bool active() const { return _active; }
void set_mode (Mode m);
Mode mode () const { return _mode; }
Evoral::Parameter parameter() const { return _parameter; }
virtual void set_group_value (boost::shared_ptr<AutomationControl>, double val);
virtual void pre_realtime_queue_stuff (double val);
bool use_me (PBD::Controllable::GroupControlDisposition gcd) const {
switch (gcd) {
case PBD::Controllable::ForGroup:
return false;
case PBD::Controllable::NoGroup:
return false;
case PBD::Controllable::InverseGroup:
return !_active;
default:
return _active;
}
}
protected:
typedef std::map<PBD::ID,boost::shared_ptr<AutomationControl> > ControlMap;
Evoral::Parameter _parameter;
mutable Glib::Threads::RWLock controls_lock;
ControlMap _controls;
bool _active;
Mode _mode;
PBD::ScopedConnectionList member_connections;
bool propagating;
void control_going_away (boost::weak_ptr<AutomationControl>);
};
class LIBARDOUR_API GainControlGroup : public ControlGroup
{
public:
GainControlGroup();
void set_group_value (boost::shared_ptr<AutomationControl>, double val);
private:
gain_t get_max_factor (gain_t);
gain_t get_min_factor (gain_t);
};
} /* namespace */
#endif /* __libardour_control_group_h__ */
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