annotate implementations/meredith/constructors.lisp @ 215:4eceac78e7c6
add minimal backend for Dave Meredith's data
Ignore-this: 91608f727967a4c5709bd41634ab9ae2
darcs-hash:20090524193956-16a00-038e6f7cb235dea4e7efcc70c4d1a7bc7fd402a6.gz
committer: Jamie Forth <j.forth@gold.ac.uk>
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j.forth <j.forth@gold.ac.uk> |
| date |
Thu, 24 Feb 2011 11:23:18 +0000 |
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6f0881af3403 |
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1 (cl:in-package #:amuse-meredith)
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2
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3 (defun make-meredith-composition-identifier (composition-id)
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4 (make-instance 'meredith-composition-identifier
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5 :composition-id composition-id))
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6
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7 (defun make-meredith-composition (&key events time interval
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8 identifier description)
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9 (make-instance 'meredith-composition
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10 :%data events
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11 :time time
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12 :interval interval
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13 :identifier identifier
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14 :description description))
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15
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16 (defun make-meredith-event (&rest args)
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17 (apply #'make-instance 'meredith-event args))
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18
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19 (defun db-event->meredith-event (db-event)
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20 (destructuring-bind (event-id tatum-on tatum-dur tactus-on
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21 tactus-dur crot-on crot-dur
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22 tatum-on-ms tatum-dur-ms beat-on-ms
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23 beat-dur-ms crot-on-ms crot-dur-ms
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24 pitch-name midi-note-number cpitch
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25 mpitch voice) db-event
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26 (make-meredith-event :identifier event-id
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27 :tatum-on tatum-on
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28 :tatum-dur tatum-dur
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29 :tactus-on tactus-on
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30 :tactus-dur tactus-dur
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31 :time crot-on ; define crotchet as standard time
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32 :interval crot-dur
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33 :tatum-on-ms tatum-on-ms
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34 :tatum-dur-ms tatum-dur-ms
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35 :beat-on-ms beat-on-ms
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36 :beat-dur-ms beat-dur-ms
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37 :crot-on-ms crot-on-ms
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38 :crot-dur-ms crot-dur-ms
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39 :pitch-name pitch-name
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40 :number midi-note-number
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41 :cp cpitch
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42 :mp mpitch
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43 :voice voice)))
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