provide a generalized Sequence::get_notes()-by-predicate method, and prototypes for 2 future methods

git-svn-id: svn://localhost/ardour2/branches/3.0@7191 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 18 insertions, 0 deletions

diff --git a/libs/evoral/evoral/Sequence.hpp b/libs/evoral/evoral/Sequence.hpp
index 038cf2c344..36f4138abd 100644
--- a/libs/evoral/evoral/Sequence.hpp
+++ b/libs/evoral/evoral/Sequence.hpp
@@ -137,6 +137,24 @@ public:
 	inline       Notes& notes()       { return _notes; }
 	inline const Notes& notes() const { return _notes; }
 
+        enum NoteOperator { 
+                PitchEqual,
+                PitchLessThan,
+                PitchLessThanOrEqual,
+                PitchGreater,
+                PitchGreaterThanOrEqual,
+                VelocityEqual,
+                VelocityLessThan,
+                VelocityLessThanOrEqual,
+                VelocityGreater,
+                VelocityGreaterThanOrEqual,
+        };
+
+        void get_notes (Notes&, NoteOperator, uint8_t val, int chan_mask = 0) const;
+
+        void remove_overlapping_notes ();
+        void remove_duplicate_notes ();
+
 	void set_notes (const Sequence<Time>::Notes& n);
 
 	typedef std::vector< boost::shared_ptr< Event<Time> > > SysExes;