/*
Copyright (C) 2007 Paul Davis
- Author: Dave Robillard
+ Author: David Robillard
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
#ifndef __ardour_automation_control_h__
#define __ardour_automation_control_h__
+#include <map>
+
+#include <glibmm/threads.h>
+
#include <boost/shared_ptr.hpp>
+#include <boost/enable_shared_from_this.hpp>
+
#include "pbd/controllable.h"
+
+#include "evoral/types.hpp"
#include "evoral/Control.hpp"
+
+#include "ardour/libardour_visibility.h"
#include "ardour/automation_list.h"
+#include "ardour/parameter_descriptor.h"
namespace ARDOUR {
/** A PBD::Controllable with associated automation data (AutomationList)
*/
-class AutomationControl : public PBD::Controllable, public Evoral::Control
+class LIBARDOUR_API AutomationControl
+ : public PBD::Controllable
+ , public Evoral::Control
+ , public boost::enable_shared_from_this<AutomationControl>
{
public:
AutomationControl(ARDOUR::Session&,
- const Evoral::Parameter& parameter,
- boost::shared_ptr<ARDOUR::AutomationList> l=boost::shared_ptr<ARDOUR::AutomationList>(),
- const string& name="");
-
+ const Evoral::Parameter& parameter,
+ const ParameterDescriptor& desc,
+ boost::shared_ptr<ARDOUR::AutomationList> l=boost::shared_ptr<ARDOUR::AutomationList>(),
+ const std::string& name="");
+
+ ~AutomationControl ();
+
boost::shared_ptr<AutomationList> alist() const {
return boost::dynamic_pointer_cast<AutomationList>(_list);
}
- void set_list(boost::shared_ptr<Evoral::ControlList>);
+ void set_list (boost::shared_ptr<Evoral::ControlList>);
inline bool automation_playback() const {
- return ((ARDOUR::AutomationList*)_list.get())->automation_playback();
+ return alist() ? alist()->automation_playback() : false;
}
-
+
inline bool automation_write() const {
- return ((ARDOUR::AutomationList*)_list.get())->automation_write();
+ return alist() ? alist()->automation_write() : false;
}
-
+
inline AutoState automation_state() const {
- return ((ARDOUR::AutomationList*)_list.get())->automation_state();
- }
-
- inline void set_automation_state(AutoState as) {
- return ((ARDOUR::AutomationList*)_list.get())->set_automation_state(as);
+ return alist() ? alist()->automation_state() : Off;
}
-
- inline void start_touch() {
- set_touching (true);
- return ((ARDOUR::AutomationList*)_list.get())->start_touch();
- }
-
- inline void stop_touch() {
- set_touching (false);
- return ((ARDOUR::AutomationList*)_list.get())->stop_touch();
+
+ inline AutoStyle automation_style() const {
+ return alist() ? alist()->automation_style() : Absolute;
}
- /** Set the value and do the right thing based on automation state
- * (e.g. record if necessary, etc.)
- */
- void set_value(float val);
+ void set_automation_state(AutoState as);
+ void set_automation_style(AutoStyle as);
+ void start_touch(double when);
+ void stop_touch(bool mark, double when);
- /** Get the current effective value based on automation state.
+ /* inherited from PBD::Controllable.
+ * Derived classes MUST call ::writable() to verify
+ * that writing to the parameter is legal at that time.
+ */
+ double get_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. We would like
+ * to make it pure virtual
*/
- float get_value() const;
+ virtual void set_value_unchecked (double val) {}
-protected:
+ 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 i) const;
+ double interface_to_internal (double i) const;
+
+ const ParameterDescriptor& desc() const { return _desc; }
+
+ const ARDOUR::Session& session() const { return _session; }
+ void commit_transaction (bool did_write);
+
+ void add_master (boost::shared_ptr<AutomationControl>);
+ void remove_master (boost::shared_ptr<AutomationControl>);
+ void clear_masters ();
+ bool slaved_to (boost::shared_ptr<AutomationControl>) const;
+ bool slaved () const;
+ std::vector<PBD::ID> masters () const;
+
+ PBD::Signal0<void> MasterStatusChange;
+
+ protected:
ARDOUR::Session& _session;
+
+ const ParameterDescriptor _desc;
+
+
+ class MasterRecord {
+ public:
+ MasterRecord (boost::shared_ptr<AutomationControl> gc, double r)
+ : _master (gc)
+ , _ratio (r)
+ {}
+
+ boost::shared_ptr<AutomationControl> master() const { return _master; }
+ double ratio () const { return _ratio; }
+ void reset_ratio (double r) { _ratio = r; }
+
+ PBD::ScopedConnection connection;
+
+ private:
+ boost::shared_ptr<AutomationControl> _master;
+ double _ratio;
+
+ };
+
+ mutable Glib::Threads::RWLock master_lock;
+ typedef std::map<PBD::ID,MasterRecord> Masters;
+ Masters _masters;
+ PBD::ScopedConnectionList masters_connections;
+
+ virtual void master_changed (bool from_self, GroupControlDisposition gcd);
+ void master_going_away (boost::weak_ptr<AutomationControl>);
+ virtual void recompute_masters_ratios (double val) { /* do nothing by default */}
+ virtual double get_masters_value_locked () const;
+ double get_value_locked() const;
};
projects / ardour.git / blobdiff