-;;; midi.scm -- scm midi variables and functions
-;;;
-;;; source file of the GNU LilyPond music typesetter
-;;;
-;;; (c) 2000 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; midi.scm -- scm midi variables and functions
+;;;;
+;;;; source file of the GNU LilyPond music typesetter
+;;;;
+;;;; (c) 2000--2007 Jan Nieuwenhuizen <janneke@gnu.org>
+
+;;;;;;;;;;;;;;;;;;
+;;; TODO:
+
+;; this is broken: we should not ever export variables from Scheme.
+
;; define factor of total volume per dynamic marking
-(define absolute-volume-alist '())
+(define-public absolute-volume-alist '())
(set! absolute-volume-alist
(append
'(
("sf" . 1.00)
- ("ffff" . 0.91)
- ("fff" . 0.81)
- ("ff" . 0.71)
- ("f" . 0.61)
- ("mf" . 0.50)
- ("mp" . 0.40)
- ("p" . 0.30)
- ("pp" . 0.20)
- ("ppp" . 0.10)
+ ("fffff" . 0.95)
+ ("ffff" . 0.92)
+ ("fff" . 0.85)
+ ("ff" . 0.80)
+ ("f" . 0.75)
+ ("mf" . 0.68)
+ ("mp" . 0.61)
+ ("p" . 0.55)
+ ("pp" . 0.49)
+ ("ppp" . 0.42)
+ ("pppp" . 0.34)
+ ("ppppp" . 0.25)
)
absolute-volume-alist))
-(define (dynamic-absolute-volume s)
+(define-public (default-dynamic-absolute-volume s)
(let ((entry (assoc s absolute-volume-alist)))
(if entry
(cdr entry))))
;; define factors of total volume of minimum and maximum volume
-(define instrument-equaliser-alist '())
-(set! instrument-equaliser-alist
+(define-public instrument-equalizer-alist '())
+(set! instrument-equalizer-alist
(append
'(
- ("flute" . (0 . 0.6))
+ ("flute" . (0 . 0.7))
("oboe" . (0 . 0.7))
("clarinet" . (0 . 0.7))
("bassoon" . (0 . 0.6))
("cello" . (0.2 . 0.8))
("contrabass" . (0.2 . 0.8))
)
- instrument-equaliser-alist))
+ instrument-equalizer-alist))
-(define (instrument-equaliser s)
- (let ((entry (assoc s instrument-equaliser-alist)))
+(define-public (default-instrument-equalizer s)
+ (let ((entry (assoc s instrument-equalizer-alist)))
(if entry
(cdr entry))))
+;; (name . program+32768*(channel10 ? 1 : 0))
+(define instrument-names-alist '())
+(set! instrument-names-alist
+ (append
+ `(
+ ("acoustic grand" . ,(- 1 1))
+ ("bright acoustic" . ,(- 2 1))
+ ("electric grand" . ,(- 3 1))
+ ("honky-tonk" . ,(- 4 1))
+ ("electric piano 1" . ,(- 5 1))
+ ("electric piano 2" . ,(- 6 1))
+ ("harpsichord" . ,(- 7 1))
+ ("clav" . ,(- 8 1))
+
+ ; (9-16 chrom percussion)
+ ("celesta" . ,(- 9 1))
+ ("glockenspiel" . ,(- 10 1))
+ ("music box" . ,(- 11 1))
+ ("vibraphone" . ,(- 12 1))
+ ("marimba" . ,(- 13 1))
+ ("xylophone" . ,(- 14 1))
+ ("tubular bells" . ,(- 15 1))
+ ("dulcimer" . ,(- 16 1))
+
+ ; (17-24 organ)
+ ("drawbar organ" . ,(- 17 1))
+ ("percussive organ" . ,(- 18 1))
+ ("rock organ" . ,(- 19 1))
+ ("church organ" . ,(- 20 1))
+ ("reed organ" . ,(- 21 1))
+ ("accordion" . ,(- 22 1))
+ ("harmonica" . ,(- 23 1))
+ ("concertina" . ,(- 24 1))
+
+ ; (25-32 guitar)
+ ("acoustic guitar (nylon)" . ,(- 25 1))
+ ("acoustic guitar (steel)" . ,(- 26 1))
+ ("electric guitar (jazz)" . ,(- 27 1))
+ ("electric guitar (clean)" . ,(- 28 1))
+ ("electric guitar (muted)" . ,(- 29 1))
+ ("overdriven guitar" . ,(- 30 1))
+ ("distorted guitar" . ,(- 31 1))
+ ("guitar harmo(dinics" . ,(- 32 1))
+
+ ; (33-40 bass)
+ ("acoustic bass" . ,(- 33 1))
+ ("electric bass (finger)" . ,(- 34 1))
+ ("electric bass (pick)" . ,(- 35 1))
+ ("fretless bass" . ,(- 36 1))
+ ("slap bass 1" . ,(- 37 1))
+ ("slap bass 2" . ,(- 38 1))
+ ("synth bass 1" . ,(- 39 1))
+ ("synth bass 2" . ,(- 40 1))
+
+ ; (41-48 strings)
+ ("violin" . ,(- 41 1))
+ ("viola" . ,(- 42 1))
+ ("cello" . ,(- 43 1))
+ ("contrabass" . ,(- 44 1))
+ ("tremolo strings" . ,(- 45 1))
+ ("pizzicato strings" . ,(- 46 1))
+ ("orchestral strings" . ,(- 47 1))
+ ("timpani" . ,(- 48 1))
+
+ ; (49-56 ensemble)
+ ("string ensemble 1" . ,(- 49 1))
+ ("string ensemble 2" . ,(- 50 1))
+ ("synthstrings 1" . ,(- 51 1))
+ ("synthstrings 2" . ,(- 52 1))
+ ("choir aahs" . ,(- 53 1))
+ ("voice oohs" . ,(- 54 1))
+ ("synth voice" . ,(- 55 1))
+ ("orchestra hit" . ,(- 56 1))
+
+ ; (57-64 brass)
+ ("trumpet" . ,(- 57 1))
+ ("trombone" . ,(- 58 1))
+ ("tuba" . ,(- 59 1))
+ ("muted trumpet" . ,(- 60 1))
+ ("french horn" . ,(- 61 1))
+ ("brass section" . ,(- 62 1))
+ ("synthbrass 1" . ,(- 63 1))
+ ("synthbrass 2" . ,(- 64 1))
+
+ ; (65-72 reed)
+ ("soprano sax" . ,(- 65 1))
+ ("alto sax" . ,(- 66 1))
+ ("tenor sax" . ,(- 67 1))
+ ("baritone sax" . ,(- 68 1))
+ ("oboe" . ,(- 69 1))
+ ("english horn" . ,(- 70 1))
+ ("bassoon" . ,(- 71 1))
+ ("clarinet" . ,(- 72 1))
+
+ ; (73-80 pipe)
+ ("piccolo" . ,(- 73 1))
+ ("flute" . ,(- 74 1))
+ ("recorder" . ,(- 75 1))
+ ("pan flute" . ,(- 76 1))
+ ("blown bottle" . ,(- 77 1))
+ ("shakuhachi" . ,(- 78 1))
+ ("whistle" . ,(- 79 1))
+ ("ocarina" . ,(- 80 1))
+
+ ; (81-88 synth lead)
+ ("lead 1 (square)" . ,(- 81 1))
+ ("lead 2 (sawtooth)" . ,(- 82 1))
+ ("lead 3 (calliope)" . ,(- 83 1))
+ ("lead 4 (chiff)" . ,(- 84 1))
+ ("lead 5 (charang)" . ,(- 85 1))
+ ("lead 6 (voice)" . ,(- 86 1))
+ ("lead 7 (fifths)" . ,(- 87 1))
+ ("lead 8 (bass+lead)" . ,(- 88 1))
+
+ ; (89-96 synth pad)
+ ("pad 1 (new age)" . ,(- 89 1))
+ ("pad 2 (warm)" . ,(- 90 1))
+ ("pad 3 (polysynth)" . ,(- 91 1))
+ ("pad 4 (choir)" . ,(- 92 1))
+ ("pad 5 (bowed)" . ,(- 93 1))
+ ("pad 6 (metallic)" . ,(- 94 1))
+ ("pad 7 (halo)" . ,(- 95 1))
+ ("pad 8 (sweep)" . ,(- 96 1))
+
+ ; (97-104 synth effects)
+ ("fx 1 (rain)" . ,(- 97 1))
+ ("fx 2 (soundtrack)" . ,(- 98 1))
+ ("fx 3 (crystal)" . ,(- 99 1))
+ ("fx 4 (atmosphere)" . ,(- 100 1))
+ ("fx 5 (brightness)" . ,(- 101 1))
+ ("fx 6 (goblins)" . ,(- 102 1))
+ ("fx 7 (echoes)" . ,(- 103 1))
+ ("fx 8 (sci-fi)" . ,(- 104 1))
+
+ ; (105-112 ethnic)
+ ("sitar" . ,(- 105 1))
+ ("banjo" . ,(- 106 1))
+ ("shamisen" . ,(- 107 1))
+ ("koto" . ,(- 108 1))
+ ("kalimba" . ,(- 109 1))
+ ("bagpipe" . ,(- 110 1))
+ ("fiddle" . ,(- 111 1))
+ ("shanai" . ,(- 112 1))
+
+ ; (113-120 percussive)
+ ("tinkle bell" . ,(- 113 1))
+ ("agogo" . ,(- 114 1))
+ ("steel drums" . ,(- 115 1))
+ ("woodblock" . ,(- 116 1))
+ ("taiko drum" . ,(- 117 1))
+ ("melodic tom" . ,(- 118 1))
+ ("synth drum" . ,(- 119 1))
+ ("reverse cymbal" . ,(- 120 1))
+
+ ; (121-128 sound effects)
+ ("guitar fret noise" . ,(- 121 1))
+ ("breath noise" . ,(- 122 1))
+ ("seashore" . ,(- 123 1))
+ ("bird tweet" . ,(- 124 1))
+ ("telephone ring" . ,(- 125 1))
+ ("helicopter" . ,(- 126 1))
+ ("applause" . ,(- 127 1))
+ ("gunshot" . ,(- 128 1))
+
+ ; (channel 10 drum-kits - subtract 32768 to get program no.)
+ ("standard kit" . ,(+ 32768 0))
+ ("standard drums" . ,(+ 32768 0))
+ ("drums" . ,(+ 32768 0))
+ ("room kit" . ,(+ 32768 8))
+ ("room drums" . ,(+ 32768 8))
+ ("power kit" . ,(+ 32768 16))
+ ("power drums" . ,(+ 32768 16))
+ ("rock drums" . ,(+ 32768 16))
+ ("electronic kit" . ,(+ 32768 24))
+ ("electronic drums" . ,(+ 32768 24))
+ ("tr-808 kit" . ,(+ 32768 25))
+ ("tr-808 drums" . ,(+ 32768 25))
+ ("jazz kit" . ,(+ 32768 32))
+ ("jazz drums" . ,(+ 32768 32))
+ ("brush kit" . ,(+ 32768 40))
+ ("brush drums" . ,(+ 32768 40))
+ ("orchestra kit" . ,(+ 32768 48))
+ ("orchestra drums" . ,(+ 32768 48))
+ ("classical drums" . ,(+ 32768 48))
+ ("sfx kit" . ,(+ 32768 56))
+ ("sfx drums" . ,(+ 32768 56))
+ ("mt-32 kit" . ,(+ 32768 127))
+ ("mt-32 drums" . ,(+ 32768 127))
+ ("cm-64 kit" . ,(+ 32768 127))
+ ("cm-64 drums" . ,(+ 32768 127))
+ )
+ instrument-names-alist))
+
+(define-public (percussion? instrument)
+ "
+returns whether the instrument should use midi channel 9
+"
+ (let* ((inst (symbol->string instrument))
+ (entry (assoc inst instrument-names-alist)))
+ (and entry (>= (cdr entry) 32768))))
+
+(define-public (midi-program instrument)
+"
+returns the program of the instrument
+"
+ (let* ((inst (symbol->string instrument))
+ (entry (assoc inst instrument-names-alist)))
+ (if entry (modulo (cdr entry) 32768) #f)))
+
;; 90 == 90/127 == 0.71 is supposed to be the default value
;; urg: we should set this at start of track
-(define dynamic-default-volume 0.71)
+(define-public dynamic-default-volume 0.71)
+
+(define-public (alterations-in-key pitch-list)
+ "Count number of sharps minus number of flats"
+
+ (* (apply + (map cdr pitch-list)) 2))
+
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;;
+
+(define-public (write-performances-midis performances basename)
+ (let ((midi-ext (ly:get-option 'midi-extension)))
+ (let
+ loop
+ ((perfs performances)
+ (count 0))
+
+
+ (if (pair? perfs)
+ (begin
+ (ly:performance-write
+ (car perfs)
+ (if (> count 0)
+ (format #f "~a-~a.~a" basename count midi-ext)
+ (format #f "~a.~a" basename midi-ext)))
+ (loop (cdr perfs) (1+ count)))))))