X-Git-Url: https://main.carlh.net/gitweb/?p=ardour.git;a=blobdiff_plain;f=libs%2Fardour%2Fardour%2Fautomatable.h;h=d2fbb1aa8d574bb6457d51bb24040ed79c6908cd;hp=dbce7de0bf4abcac023fc28dc6f8d5e0fe3c7a41;hb=6b1b72a247bf04c81292fc41af4f69c9b7f90379;hpb=a2d2f738cb63dbf0fb89e0a00c424ce883fb7888

diff --git a/libs/ardour/ardour/automatable.h b/libs/ardour/ardour/automatable.h
index dbce7de0bf..d2fbb1aa8d 100644
--- a/libs/ardour/ardour/automatable.h
+++ b/libs/ardour/ardour/automatable.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2000-2007 Paul Davis 
+    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
@@ -20,111 +20,115 @@
 #ifndef __ardour_automatable_h__
 #define __ardour_automatable_h__
 
-#include <set>
 #include <map>
+#include <set>
+#include <string>
+
 #include <boost/shared_ptr.hpp>
-#include <ardour/session_object.h>
-#include <ardour/automation_list.h>
-#include <ardour/automation_control.h>
-#include <ardour/parameter.h>
-#include <ardour/event_type_map.h>
-#include <evoral/ControlSet.hpp>
-#include <evoral/Sequence.hpp>
+
+#include "pbd/rcu.h"
+#include "pbd/signals.h"
+
+#include "evoral/ControlSet.hpp"
+
+#include "ardour/libardour_visibility.h"
+#include "ardour/slavable.h"
+#include "ardour/types.h"
+
+class XMLNode;
 
 namespace ARDOUR {
 
 class Session;
 class AutomationControl;
 
-
-/** Note this class is abstract, actual objects must either be
- * an AutomatableControls or an AutomatableSequence
+/* The inherited ControlSet is virtual because AutomatableSequence inherits
+ * from this AND EvoralSequence, which is also a ControlSet
  */
-class Automatable : virtual public Evoral::ControlSet
+class LIBARDOUR_API Automatable : virtual public Evoral::ControlSet, public Slavable
 {
 public:
 	Automatable(Session&);
-	Automatable();
+	Automatable (const Automatable& other);
 
-	virtual ~Automatable() {}
+	virtual ~Automatable();
 
-	boost::shared_ptr<Evoral::Control>
-	control_factory(const Evoral::Parameter& id);
+	static bool skip_saving_automation; // to be used only by session-state
 
-	virtual void add_control(boost::shared_ptr<Evoral::Control>);
-	
-	virtual void automation_snapshot(nframes_t now, bool force);
-	virtual void transport_stopped(nframes_t now);
-
-	virtual string describe_parameter(Parameter param);
-	
-	AutoState get_parameter_automation_state (Parameter param, bool lock = true);
-	virtual void set_parameter_automation_state (Parameter param, AutoState);
-	
-	AutoStyle get_parameter_automation_style (Parameter param);
-	void set_parameter_automation_style (Parameter param, AutoStyle);
+	boost::shared_ptr<Evoral::Control> control_factory(const Evoral::Parameter& id);
 
-	void protect_automation ();
+	boost::shared_ptr<AutomationControl> automation_control (PBD::ID const & id) const;
+	/* derived classes need to provide some way to search their own child
+	   automatable's for a control. normally, we'd just make the method
+	   above virtual, and let them override it. But that wouldn't
+	   differentiate the "check children" and "just your own" cases.
 
-	void what_has_visible_data(std::set<Parameter>&) const;
-	const std::set<Parameter>& what_can_be_automated() const { return _can_automate_list; }
+	   We could theoretically just overload the above method with an extra
+	   "bool recurse = default", but the rules of name hiding for C++ mean
+	   that making a method virtual will hide other overloaded versions of
+	   the same name. This means that virtual automation_control (PBD::ID
+	   const &) would hide automation_control (Evoral::Parameter const &
+	   id).
 
-	void mark_automation_visible(Parameter, bool);
-	
-	inline bool should_snapshot (nframes_t now) {
-		return (_last_automation_snapshot > now
-				|| (now - _last_automation_snapshot) > _automation_interval);
-	}
-	
-	static void set_automation_interval (jack_nframes_t frames) {
-		_automation_interval = frames;
+	   So, skip around all that with a different name.
+	*/
+	virtual boost::shared_ptr<AutomationControl> automation_control_recurse (PBD::ID const & id) const {
+		return automation_control (id);
 	}
 
-	static jack_nframes_t automation_interval() { 
-		return _automation_interval;
+	boost::shared_ptr<AutomationControl> automation_control (const Evoral::Parameter& id) {
+		return automation_control (id, false);
 	}
-	
-	typedef Evoral::ControlSet::Controls Controls;
-	
-	Evoral::ControlSet&       data()       { return *this; }
-	const Evoral::ControlSet& data() const { return *this; }
+	boost::shared_ptr<AutomationControl> automation_control (const Evoral::Parameter& id, bool create_if_missing);
+	boost::shared_ptr<const AutomationControl> automation_control (const Evoral::Parameter& id) const;
+
+	virtual void add_control(boost::shared_ptr<Evoral::Control>);
+	virtual bool find_next_event (double start, double end, Evoral::ControlEvent& ev, bool only_active = true) const;
+	void clear_controls ();
+
+	virtual void non_realtime_locate (samplepos_t now);
+	virtual void non_realtime_transport_stop (samplepos_t now, bool flush);
+
+	virtual void automation_run (samplepos_t, pframes_t, bool only_active = false);
+
+	virtual std::string describe_parameter(Evoral::Parameter param);
+
+	AutoState get_parameter_automation_state (Evoral::Parameter param);
+	virtual void set_parameter_automation_state (Evoral::Parameter param, AutoState);
+
+	void protect_automation ();
+
+	const std::set<Evoral::Parameter>& what_can_be_automated() const { return _can_automate_list; }
+	void what_has_existing_automation (std::set<Evoral::Parameter>&) const;
+
+	static const std::string xml_node_name;
+
+	int set_automation_xml_state (const XMLNode&, Evoral::Parameter default_param);
+	XMLNode& get_automation_xml_state();
+
+	PBD::Signal0<void> AutomationStateChanged;
 
 protected:
 	Session& _a_session;
 
-	void can_automate(Parameter);
+	void can_automate(Evoral::Parameter);
 
-	virtual void auto_state_changed (Parameter which) {}
+	virtual void automation_list_automation_state_changed (Evoral::Parameter, AutoState);
+	SerializedRCUManager<ControlList> _automated_controls;
 
-	int set_automation_state(const XMLNode&, Parameter default_param);
-	XMLNode& get_automation_state();
-	
 	int load_automation (const std::string& path);
 	int old_set_automation_state(const XMLNode&);
 
-	std::set<Parameter> _visible_controls;
-	std::set<Parameter> _can_automate_list;
-	
-	nframes_t        _last_automation_snapshot;
-	static nframes_t _automation_interval;
-};
+	std::set<Evoral::Parameter> _can_automate_list;
 
+	samplepos_t _last_automation_snapshot;
 
-/** Contains notes and controllers */
-class AutomatableSequence : public Automatable, public Evoral::Sequence {
-public:
-	AutomatableSequence(Session& s, size_t size)
-		: Evoral::ControlSet()
-		, Automatable(s)
-		, Evoral::Sequence(EventTypeMap::instance())
-	{}
-};
+	SlavableControlList slavables () const { return SlavableControlList(); }
 
+private:
+	inline void find_next_ac_event (boost::shared_ptr<AutomationControl>, double start, double end, Evoral::ControlEvent& ev) const;
 
-/** Contains only controllers */
-class AutomatableControls : public Automatable {
-public:
-	AutomatableControls(Session& s) : Evoral::ControlSet(), Automatable(s) {}
+	PBD::ScopedConnectionList _control_connections; ///< connections to our controls' signals
 };