Insert/Redirect refactoring, towards better MIDI support in mixer strip, and

http://ardour.org/node/1043 style things.


git-svn-id: svn://localhost/ardour2/trunk@2027 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 78 insertions, 0 deletions

diff --git a/libs/ardour/ardour/automatable.h b/libs/ardour/ardour/automatable.h
new file mode 100644
index 0000000000..c6621b9780
--- /dev/null
+++ b/libs/ardour/ardour/automatable.h
@@ -0,0 +1,78 @@
+/*
+    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__ */