Add example script to access midi-region events

scripts/_dump_midiregion.lua

@@ -0,0 +1,21 @@
+ardour { ["type"] = "Snippet", name = "Dump MIDI Region" }
+
+function factory () return function ()
+	local sel = Editor:get_selection ()
+	for r in sel.regions:regionlist ():iter () do
+		local mr = r:to_midiregion ()
+		if mr:isnil () then goto next end
+
+		print (r:name (), "Pos:", r:position (), "Start:", r:start ())
+		local bfc = ARDOUR.BeatsFramesConverter (Session:tempo_map (), r:position ())
+		local nl = ARDOUR.LuaAPI.note_list (mr:model ())
+		for n in nl:iter () do
+			print (" Note @", bfc:to (n:time ()),
+			ARDOUR.ParameterDescriptor.midi_note_name (n:note ()),
+			"Vel:", n:velocity ())
+		end
+		print ("----")
+		::next::
+	end
+end end
+