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/*
Copyright (C) 2000,2007 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 __ardour_automatable_h__
#define __ardour_automatable_h__
#include <set>
#include <map>
#include <ardour/session_object.h>
#include <ardour/automation_event.h>
namespace ARDOUR {
class Session;
class Automatable : public SessionObject
{
public:
Automatable(Session&, const std::string& name);
virtual ~Automatable() {}
virtual AutomationList& automation_list(uint32_t n);
virtual void automation_snapshot (nframes_t now) {};
virtual bool find_next_event(nframes_t start, nframes_t end, ControlEvent& ev) const;
virtual string describe_parameter(uint32_t which);
virtual float default_parameter_value(uint32_t which) { return 1.0f; }
void what_has_automation(std::set<uint32_t>&) const;
void what_has_visible_automation(std::set<uint32_t>&) const;
const std::set<uint32_t>& what_can_be_automated() const { return _can_automate_list; }
void mark_automation_visible(uint32_t, bool);
protected:
void can_automate(uint32_t);
virtual void automation_list_creation_callback(uint32_t, AutomationList&) {}
int set_automation_state(const XMLNode&);
XMLNode& get_automation_state();
int load_automation (const std::string& path);
int old_set_automation_state(const XMLNode&);
mutable Glib::Mutex _automation_lock;
// FIXME: map with int keys is a bit silly. this could be O(1)
std::map<uint32_t,AutomationList*> _parameter_automation;
std::set<uint32_t> _visible_parameter_automation;
std::set<uint32_t> _can_automate_list;
nframes_t _last_automation_snapshot;
};
} // namespace ARDOUR
#endif /* __ardour_automatable_h__ */
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