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extends MidiIn

func _ready():
	var num_ports = MidiIn.get_port_count()
	print(num_ports)
	for i in range(num_ports):
		var port_name = MidiIn.get_port_name(i)
		print(port_name)
	open_port(3)

func _on_midi_message(deltatime, message):
	print(deltatime)
	print(message)

E 0:00:03:0429   emit_signalp: Caller thread can't call this function in this node (/root/Node2D/MidiIn). Use call_deferred() or call_thread_group() instead.
  <C++ Error>    Condition "!is_accessible_from_caller_thread()" is true. Returning: (ERR_INVALID_PARAMETER)
  <C++ Source>   scene/main/node.cpp:3630 @ emit_signalp()