view midi-classes-and-constructors.lisp @ 25:fe73cc3f1605

implementations/midi: move MIDI implementation to subdirectory.

darcs-hash:20061215162417-aa3d6-164486669cc7e76206afd76f5c9cdd4fb2ba5b75.gz

(cl:in-package #:amuse)

(defclass midi-message () ;?
  ((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)
   (patch :initarg :patch)))

(defclass midi-percussive-event (percussive-event midi-message)
  ((velocity :initarg :velocity)
   (patch :initarg :patch)
   (sound :initarg :sound)))

(defclass midi-key-signature (basic-key-signature)
  ;; Is mode ever used in real life? Is it ever accurately used in
  ;; real life?
  ((mode :accessor %midi-key-signature-mode
	 :initarg mode)))

;;; Constructors

(defun make-midi-pitched-event (pitch-number velocity patch
				channel track onset duration)
  (make-instance 'midi-pitched-event
		 :number pitch-number
		 :velocity velocity
		 :patch patch
		 :channel channel
		 :track track
		 :time onset
		 :interval duration))

(defun make-midi-percussive-event (pitch-number velocity patch
				   channel track onset duration)
  (make-instance 'midi-percussive-event
		 :sound pitch-number
		 :velocity velocity
		 :patch patch
		 :channel channel
		 :track track
		 :time onset
		 :interval duration))

(defun make-midi-key-signature (sharp-count mode onset duration)
  (make-instance 'midi-key-signature
		 :sharp-count sharp-count
		 :mode mode
		 :time onset
		 :interval duration))