X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scm%2Fmidi.scm;h=cf43d3af7592759e5f5887812a1b6f2667665ce1;hb=def21b306e2b8fa2d5630fab0878e9922e197f0c;hp=c823dcb9f2a2d76d546028b32094260ebfe6da3c;hpb=b76d0173a49e115b77120d673f5aa6169f4875aa;p=lilypond.git

diff --git a/scm/midi.scm b/scm/midi.scm
index c823dcb9f2..cf43d3af75 100644
--- a/scm/midi.scm
+++ b/scm/midi.scm
@@ -1,39 +1,45 @@
-;;; midi.scm -- scm midi variables and functions
-;;;
-;;;  source file of the GNU LilyPond music typesetter
-;;; 
-;;; (c) 2000--2001 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)
 	("fffff" . 0.95)
-	("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)
-	("pppp" . 0.08)
-	("ppppp" . 0.05)
+	("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 (default-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 . 0.7))
@@ -48,23 +54,247 @@
 	 ("cello" . (0.2 . 0.8))
 	 ("contrabass" . (0.2 . 0.8))
 	 )
-       instrument-equaliser-alist))
+       instrument-equalizer-alist))
 
-(define (default-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))
+
+
 
-;; Count number of sharps minus number of flats
-(define (accidentals-in-key pitch-list)
-  (apply + (map cdr pitch-list)))
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;;
 
-;; Characterise the key as major if the alteration of the 
-;; third scale note is the same as that of the main note
-;; Note: MIDI cannot handle other tonalities than major/minor.
-(define (major-key pitch-list)
-  (eq? (cdr (list-ref pitch-list 4)) (cdr (list-ref pitch-list 6))))
+(define-public (write-performances-midis performances basename . rest)
+  (let ((midi-ext (ly:get-option 'midi-extension)))
+  (let
+      loop
+    ((perfs performances)
+     (count (if (null? rest) 0 (car rest))))
+    (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))))))