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/*
* Copyright (C) 2007-2015 David Robillard <d@drobilla.net>
* Copyright (C) 2008-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2015-2019 Robin Gareus <robin@gareus.org>
* Copyright (C) 2015 Nick Mainsbridge <mainsbridge@gmail.com>
*
* 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.
*/
#ifndef __ardour_automation_control_h__
#define __ardour_automation_control_h__
#include <map>
#include <glibmm/threads.h>
#include <boost/shared_ptr.hpp>
#include "pbd/controllable.h"
#include "evoral/types.h"
#include "evoral/Control.h"
#include "ardour/automation_list.h"
#include "ardour/control_group_member.h"
#include "ardour/parameter_descriptor.h"
#include "ardour/session_handle.h"
#include "ardour/libardour_visibility.h"
namespace ARDOUR {
class Session;
class Automatable;
class ControlGroup;
/** A PBD::Controllable with associated automation data (AutomationList)
*/
class LIBARDOUR_API AutomationControl
: public PBD::Controllable
, public Evoral::Control
, public ControlGroupMember
, public SessionHandleRef
{
public:
AutomationControl(ARDOUR::Session&,
const Evoral::Parameter& parameter,
const ParameterDescriptor& desc,
boost::shared_ptr<ARDOUR::AutomationList> l=boost::shared_ptr<ARDOUR::AutomationList>(),
const std::string& name="",
PBD::Controllable::Flag flags=PBD::Controllable::Flag (0)
);
virtual ~AutomationControl ();
boost::shared_ptr<AutomationList> alist() const {
return boost::dynamic_pointer_cast<AutomationList>(_list);
}
void set_list (boost::shared_ptr<Evoral::ControlList>);
inline bool automation_playback() const {
return alist() ? alist()->automation_playback() : false;
}
inline bool automation_write() const {
return alist() ? alist()->automation_write() : false;
}
inline AutoState automation_state() const {
return alist() ? alist()->automation_state() : Off;
}
void set_automation_state(AutoState as);
void start_touch(double when);
void stop_touch(double when);
/* inherited from PBD::Controllable. */
virtual double get_value () const;
virtual double get_save_value () const;
/* inherited from PBD::Controllable.
* Derived classes MUST call ::writable() to verify
* that writing to the parameter is legal at that time.
*/
void set_value (double value, PBD::Controllable::GroupControlDisposition group_override);
/* automation related value setting */
virtual bool writable () const;
/* Call to ::set_value() with no test for writable() because
* this is only used by automation playback.
*/
void set_value_unchecked (double val) {
actually_set_value (val, PBD::Controllable::NoGroup);
}
virtual void automation_run (samplepos_t start, pframes_t nframes);
double lower() const { return _desc.lower; }
double upper() const { return _desc.upper; }
double normal() const { return _desc.normal; }
bool toggled() const { return _desc.toggled; }
double internal_to_interface (double, bool rotary = false) const;
double interface_to_internal (double, bool rotary = false) const;
virtual std::string get_user_string() const;
const ParameterDescriptor& desc() const { return _desc; }
const ARDOUR::Session& session() const { return _session; }
void commit_transaction (bool did_write);
ControlList grouped_controls () const;
protected:
boost::shared_ptr<ControlGroup> _group;
const ParameterDescriptor _desc;
bool check_rt (double val, Controllable::GroupControlDisposition gcd);
/* derived classes may reimplement this, but should either
call this explicitly inside their version OR make sure that the
Controllable::Changed signal is emitted when necessary.
*/
virtual void actually_set_value (double value, PBD::Controllable::GroupControlDisposition);
/* Session needs to call this method before it queues up the real
change for execution in a realtime context. C++ access control sucks.
*/
friend class Session;
/* this is what the session invokes */
void pre_realtime_queue_stuff (double new_value, PBD::Controllable::GroupControlDisposition);
/* this will be invoked in turn on behalf of the group or the control by itself */
virtual void do_pre_realtime_queue_stuff (double new_value) {}
void session_going_away ();
private:
/* I am unclear on why we have to make ControlGroup a friend in order
to get access to the ::set_group() method when it is already
declared to be a friend in ControlGroupMember. Oh well.
*/
friend class ControlGroup;
void set_group (boost::shared_ptr<ControlGroup>);
PBD::ScopedConnection _state_changed_connection;
bool _no_session;
};
} // namespace ARDOUR
#endif /* __ardour_automation_control_h__ */
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