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(cl:in-package #:amuse-midi) 

(defclass midi-object (amuse:amuse-object) ()
  (:documentation "MIDI base class"))

(defclass midi-composition (amuse:composition midi-object)
  ((time-signatures :initarg :time-signatures
		    :initform 'nil
		    :accessor %midi-time-signatures)
   (tempi :initarg :tempi
	  :initform 'nil
	  :accessor %midi-tempi)
   (key-signatures  :initarg :key-signatures
		    :initform 'nil
		    :accessor %midi-key-signatures)
   (misc-controllers :initarg :controllers
		      :initform 'nil
		      :accessor %midi-misc-controllers))
  (:documentation "Class for midi compositions, with time
  signatures, tempi, key signatures and other controllers as
  lists in slots"))

(defclass midi-message (midi-object) ;?
  ((channel :accessor %midi-message-channel :initarg :channel)
   (track :accessor %midi-message-track :initarg :track)))

(defclass midi-pitched-event (chromatic-pitched-event midi-message)
  ((velocity :initarg :velocity
	     :accessor %midi-pitched-event-velocity)
   (patch :initarg :patch
	  :accessor %midi-pitched-event-patch))
  (:documentation "Adds MIDI information to chromatic-pitched-event"))

(defclass midi-percussive-event (percussive-event midi-message)
  ((velocity :initarg :velocity
	     :accessor %midi-percussive-event-velocity)
   (patch :initarg :patch
	  :accessor %midi-percussive-event-patch)
   (sound :initarg :sound
	  :accessor %midi-percussive-event-sound))
  (:documentation "Adds MIDI information to percussive-event"))