X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scripts%2Flilymidi.py;h=34308f07025e625ed0b0cae086ae6258cfde4edd;hb=HEAD;hp=40047207ad311c2a26827d7628bc439a331eb25e;hpb=08560a1b8076630c4fc6cb9b902614d8b74fd6fc;p=lilypond.git

diff --git a/scripts/lilymidi.py b/scripts/lilymidi.py
index 40047207ad..34308f0702 100644
--- a/scripts/lilymidi.py
+++ b/scripts/lilymidi.py
@@ -1,6 +1,6 @@
 #!@TARGET_PYTHON@
 
-# Copyright (C) 2006--2012 Brailcom, o.p.s.
+# Copyright (C) 2006--2015 Brailcom, o.p.s.
 #
 # Author: Milan Zamazal <pdm@brailcom.org>
 #
@@ -80,14 +80,27 @@ class meta_formatter (formatter):
      return str (val2);
 class tempo_formatter (formatter):
    def format_vals (self, val1, val2):
-     return str (val2) + " msec/quarter"
+    return str (ord (val2[0])*65536 + ord (val2[1])*256 + ord (val2[2])) \
+        + " msec/quarter"
 
 class time_signature_formatter (formatter):
    def format_vals (self, val1, val2 = ""):
-     return str (val2)   # TODO
+       from fractions import Fraction
+       # if there are more notated 32nd notes per midi quarter than 8,
+       # we display a fraction smaller than 1 as scale factor.
+       r = Fraction(8, ord (val2[3]))
+       if r == 1:
+           ratio =""
+       else:
+           ratio = " *" + str (r)
+       return str (ord (val2[0])) + "/" + str(1 << ord (val2[1])) + ratio \
+           + ", metronome "  + str (Fraction (ord (val2[2]), 96))
 class key_signature_formatter (formatter):
    def format_vals (self, val1, val2):
-     return str (val2)   # TODO
+       key_names = ['F', 'C', 'G', 'D', 'A', 'E', 'B']
+       key = (((ord(val2[0])+128)%256)-128) + ord(val2[1])*3 + 1;
+       return (key_names[key%7] + (key/7) * "is" + (-(key/7)) * "es"
+               + " " + ['major','minor'][ord(val2[1])])
 class channel_formatter (formatter):
    def __init__ (self, txt, ch):
      formatter.__init__ (self, txt)