#!@TARGET_PYTHON@
#
# midi2ly.py -- LilyPond midi import script
-#
-# source file of the GNU LilyPond music typesetter
+
+# This file is part of LilyPond, the GNU music typesetter.
+#
+# Copyright (C) 1998--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
+# Jan Nieuwenhuizen <janneke@gnu.org>
+#
+# LilyPond is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# LilyPond is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
#
-# (c) 1998--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
-# Jan Nieuwenhuizen <janneke@gnu.org>
+# You should have received a copy of the GNU General Public License
+# along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
'''
duration_quant_clocks = 0
allowed_tuplet_clocks = []
-
+bar_max = 0
################################################################
%s
%s
-''' % ( _ ('Copyright (c) %s by') % '2001--2009',
+''' % ( _ ('Copyright (c) %s by') % '1998--2011',
'\n '.join (authors),
_ ('Distributed under terms of the GNU General Public License.'),
_ ('It comes with NO WARRANTY.')))
def warning (s):
progress (_ ("warning: ") + s)
-
+
def error (s):
progress (_ ("error: ") + s)
raise Exception (_ ("Exiting... "))
if clocks <= 0:
self.clocks = duration_quant_clocks
(self.dur, self.num, self.den) = self.dur_num_den (clocks)
-
+
def dur_num_den (self, clocks):
for i in range (len (allowed_tuplet_clocks)):
if clocks == allowed_tuplet_clocks[i]:
s = '%d*%d' % (self.dur, self.num)
else:
s = '%d*%d/%d' % (self.dur, self.num, self.den)
-
+
global reference_note
reference_note.duration = self
n = 6; a = 1; o = o - 1
return (o, n, a)
-
+
def __repr__ (self):
s = chr ((self.notename + 2) % 7 + ord ('a'))
- return 'Note(%s %s)' % (s, self.duration.dump())
+ return 'Note(%s %s)' % (s, self.duration.dump ())
def dump (self, dump_dur = 1):
global reference_note
else:
delta = self.pitch - reference_note.pitch
commas = sign (delta) * (abs (delta) / 12)
- if ((sign (delta) \
- * (self.notename - reference_note.notename) + 7) \
- % 7 >= 4) \
- or ((self.notename == reference_note.notename) \
- and (abs (delta) > 4) and (abs (delta) < 12)):
+ if (((sign (delta)
+ * (self.notename - reference_note.notename) + 7)
+ % 7 >= 4)
+ or ((self.notename == reference_note.notename)
+ and (abs (delta) > 4) and (abs (delta) < 12))):
commas = commas + sign (delta)
-
+
if commas > 0:
s = s + "'" * commas
elif commas < 0:
s = s + "," * -commas
## FIXME: compile fix --jcn
- if dump_dur and (global_options.explicit_durations \
- or self.duration.compare (reference_note.duration)):
+ if (dump_dur and (global_options.explicit_durations
+ or self.duration.compare (reference_note.duration))):
s = s + self.duration.dump ()
reference_note = self
-
+
# TODO: move space
return s + ' '
def __repr__ (self):
return 'Time(%d/%d)' % (self.num, self.den)
-
+
def dump (self):
global time
time = self
def __repr__ (self):
return 'Tempo(%d)' % self.bpm ()
-
+
def bpm (self):
return 4 * 60 / self.seconds_per_1
-
+
def dump (self):
- return '\n ' + '\\tempo 4 = %d ' % (self.bpm()) + '\n '
+ return '\n ' + '\\tempo 4 = %d ' % (self.bpm ()) + '\n '
class Clef:
clefs = ('"bass_8"', 'bass', 'violin', '"violin^8"')
def __repr__ (self):
return 'Clef(%s)' % self.clefs[self.type]
-
+
def dump (self):
return '\n \\clef %s\n ' % self.clefs[self.type]
k = (ord ('cfbeadg'[self.flats % 7]) - ord ('a') - 2 -2 * self.minor + 7) % 7
else:
k = (ord ('cgdaebf'[self.sharps % 7]) - ord ('a') - 2 -2 * self.minor + 7) % 7
-
+
if not self.minor:
name = chr ((k + 2) % 7 + ord ('a'))
else:
'LYRIC',
'MARKER',
'CUE_POINT',)
-
+
def __init__ (self, type, text):
self.clocks = 0
self.type = type
if self.type == midi.LYRIC:
s = '"%s"' % self.text
d = Duration (self.clocks)
- if global_options.explicit_durations \
- or d.compare (reference_note.duration):
+ if (global_options.explicit_durations
+ or d.compare (reference_note.duration)):
s = s + Duration (self.clocks).dump ()
s = s + ' '
else:
def split_track (track):
chs = {}
- for i in range(16):
+ for i in range (16):
chs[i] = []
-
+
for e in track:
data = list (e[1])
if data[0] > 0x7f and data[0] < 0xf0:
(lt, vel) = pitches[e]
del pitches[e]
- i = len (notes) - 1
+ i = len (notes) - 1
while i > 0:
if notes[i][0] > lt:
i = i -1
t = quantise_clocks (t, start_quant_clocks)
- if e[1][0] == midi.NOTE_OFF \
- or (e[1][0] == midi.NOTE_ON and e[1][2] == 0):
+ if (e[1][0] == midi.NOTE_OFF
+ or (e[1][0] == midi.NOTE_ON and e[1][2] == 0)):
end_note (pitches, notes, t, e[1][1])
-
+
elif e[1][0] == midi.NOTE_ON:
if not pitches.has_key (e[1][1]):
pitches[e[1][1]] = (t, e[1][2])
-
+
# all include ALL_NOTES_OFF
- elif e[1][0] >= midi.ALL_SOUND_OFF \
- and e[1][0] <= midi.POLY_MODE_ON:
+ elif (e[1][0] >= midi.ALL_SOUND_OFF
+ and e[1][0] <= midi.POLY_MODE_ON):
for i in pitches:
end_note (pitches, notes, t, i)
-
+
elif e[1][0] == midi.META_EVENT:
if e[1][1] == midi.END_OF_TRACK:
for i in pitches:
events.append ((t, Tempo (seconds_per_1)))
elif e[1][1] == midi.TIME_SIGNATURE:
(num, dur, clocks4, count32) = map (ord, e[1][2])
- den = 2 ** dur
+ den = 2 ** dur
events.append ((t, Time (num, den)))
elif e[1][1] == midi.KEY_SIGNATURE:
(alterations, minor) = map (ord, e[1][2])
# Better do Note.calc () at dump time?
global_options.key = k
- elif e[1][1] == midi.LYRIC \
- or (global_options.text_lyrics and e[1][1] == midi.TEXT_EVENT):
+ elif (e[1][1] == midi.LYRIC
+ or (global_options.text_lyrics and e[1][1] == midi.TEXT_EVENT)):
if last_lyric:
last_lyric.clocks = t - last_time
events.append ((last_time, last_lyric))
last_time = t
last_lyric = Text (midi.LYRIC, e[1][2])
- elif e[1][1] >= midi.SEQUENCE_NUMBER \
- and e[1][1] <= midi.CUE_POINT:
+ elif (e[1][1] >= midi.SEQUENCE_NUMBER
+ and e[1][1] <= midi.CUE_POINT):
events.append ((t, Text (e[1][1], e[1][2])))
else:
if global_options.verbose:
last_lyric.clocks = clocks_per_4
events.append ((last_time, last_lyric))
last_lyric = 0
-
+
i = 0
while len (notes):
if i < len (events) and notes[0][0] >= events[i][0]:
todo = []
for e in channel:
t = e[0]
- if e[1].__class__ == Note \
- and ((t == start_busy_t \
- and e[1].clocks + t == end_busy_t) \
- or t >= end_busy_t):
+ if (e[1].__class__ == Note
+ and ((t == start_busy_t
+ and e[1].clocks + t == end_busy_t)
+ or t >= end_busy_t)):
thread.append (e)
start_busy_t = t
end_busy_t = t + e[1].clocks
- elif e[1].__class__ == Time \
- or e[1].__class__ == Key \
- or e[1].__class__ == Text \
- or e[1].__class__ == Tempo:
+ elif (e[1].__class__ == Time
+ or e[1].__class__ == Key
+ or e[1].__class__ == Text
+ or e[1].__class__ == Tempo):
thread.append (e)
else:
todo.append (e)
if b == 0:
return a
c = a
- while c:
+ while c:
c = a % b
a = b
b = c
return a
-
+
def dump_skip (skip, clocks):
return skip + Duration (clocks).dump () + ' '
s = s + i.dump (dump_dur = 0 )
s = s + '>'
- s = s + notes[0].duration.dump() + ' '
+ s = s + notes[0].duration.dump () + ' '
reference_note = r
return s
bar_t = time.bar_clocks ()
if t - last_bar_t >= bar_t:
bar_count = bar_count + (t - last_bar_t) / bar_t
-
+
if t - last_bar_t == bar_t:
s = '|\n %% %d\n ' % bar_count
last_bar_t = t
else:
# urg, this will barf at meter changes
last_bar_t = last_bar_t + (t - last_bar_t) / bar_t * bar_t
-
+
return (s, last_bar_t, bar_count)
-
+
def dump_channel (thread, skip):
global reference_note, time
else:
if ch:
chs.append ((last_e[0], ch))
-
+
ch = [e[1]]
-
+
last_e = e
if ch:
last_t = 0
last_bar_t = 0
bar_count = 1
-
+
lines = ['']
- for ch in chs:
+ for ch in chs:
t = ch[0]
i = lines[-1].rfind ('\n') + 1
lines.append ('')
if t - last_t > 0:
- lines[-1] = lines[-1] + dump_skip (skip, t-last_t)
+ d = t - last_t
+ if bar_max and t > time.bar_clocks () * bar_max:
+ d = time.bar_clocks () * bar_max - last_t
+ lines[-1] = lines[-1] + dump_skip (skip, d)
elif t - last_t < 0:
errorport.write ('BUG: time skew')
(s, last_bar_t, bar_count) = dump_bar_line (last_bar_t,
t, bar_count)
+
+ if bar_max and bar_count > bar_max:
+ break
+
lines[-1] = lines[-1] + s
-
lines[-1] = lines[-1] + dump_chord (ch[1])
clocks = 0
for i in ch[1]:
if i.clocks > clocks:
clocks = i.clocks
-
+
last_t = t + clocks
-
+
(s, last_bar_t, bar_count) = dump_bar_line (last_bar_t,
- last_t, bar_count)
+ last_t, bar_count)
lines[-1] = lines[-1] + s
return '\n '.join (lines) + '\n'
+def number2ascii (i):
+ s = ''
+ i += 1
+ while i > 0:
+ m = (i - 1) % 26
+ s = '%c' % (m + ord ('A')) + s
+ i = (i - m)/26
+ return s
+
def track_name (i):
- return 'track%c' % (i + ord ('A'))
+ return 'track' + number2ascii (i)
def channel_name (i):
- return 'channel%c' % (i + ord ('A'))
+ return 'channel' + number2ascii (i)
def dump_track (channels, n):
s = '\n'
def thread_first_item (thread):
for chord in thread:
for event in chord:
- if (event[1].__class__ == Note
- or (event[1].__class__ == Text
+ if (event[1].__class__ == Note
+ or (event[1].__class__ == Text
and event[1].type == midi.LYRIC)):
-
+
return event[1]
return None
return Clef (3)
else:
return Clef (2)
-
+
def convert_midi (in_file, out_file):
global clocks_per_1, clocks_per_4, key
global start_quant_clocks
- global duration_quant_clocks
+ global duration_quant_clocks
global allowed_tuplet_clocks
- str = open (in_file).read ()
+ str = open (in_file, 'rb').read ()
midi_dump = midi.parse (str)
-
+
clocks_per_1 = midi_dump[0][1]
clocks_per_4 = clocks_per_1 / 4
-
+
if global_options.start_quant:
start_quant_clocks = clocks_per_1 / global_options.start_quant
allowed_tuplet_clocks = []
for (dur, num, den) in global_options.allowed_tuplets:
- allowed_tuplet_clocks.append (clocks_per_1 / den)
+ allowed_tuplet_clocks.append (clocks_per_1 / dur * num / den)
+
+ if global_options.verbose:
+ print 'allowed tuplet clocks:', allowed_tuplet_clocks
tracks = []
for t in midi_dump[1]:
tag = '%% Lily was here -- automatically converted by %s from %s' % ( program_name, in_file)
-
+
s = ''
- s = tag + '\n\\version "2.7.18"\n\n'
+ s = tag + '\n\\version "2.7.38"\n\n'
for i in range (len (tracks)):
s = s + dump_track (tracks[i], i)
s = s + '\n\\score {\n <<\n'
-
+
i = 0
for t in tracks:
track = track_name (i)
item = track_first_item (t)
-
+
if item and item.__class__ == Note:
s = s + ' \\context Staff=%s \\%s\n' % (track, track)
elif item and item.__class__ == Text:
p.add_option ('-a', '--absolute-pitches',
action='store_true',
- help=_ ("print absolute pitches"))
+ help=_ ('print absolute pitches'))
p.add_option ('-d', '--duration-quant',
- metavar= _("DUR"),
- help=_ ("quantise note durations on DUR"))
+ metavar=_ ('DUR'),
+ help=_ ('quantise note durations on DUR'))
p.add_option ('-e', '--explicit-durations',
action='store_true',
- help=_ ("print explicit durations"))
- p.add_option("-h", "--help",
- action="help",
- help=_ ("show this help and exit"))
- p.add_option('-k', '--key', help=_ ("set key: ALT=+sharps|-flats; MINOR=1"),
- metavar=_ ("ALT[:MINOR]"),
+ help=_ ('print explicit durations'))
+ p.add_option('-h', '--help',
+ action='help',
+ help=_ ('show this help and exit'))
+ p.add_option('-k', '--key', help=_ ('set key: ALT=+sharps|-flats; MINOR=1'),
+ metavar=_ ('ALT[:MINOR]'),
default='0'),
- p.add_option ('-o', '--output', help=_ ("write output to FILE"),
- metavar=_("FILE"),
+ p.add_option ('-o', '--output', help=_ ('write output to FILE'),
+ metavar=_ ('FILE'),
action='store')
- p.add_option ('-s', '--start-quant',help= _ ("quantise note starts on DUR"),
- metavar=_ ("DUR"))
+ p.add_option ('-p', '--preview', help=_ ('preview of first 4 bars'),
+ action='store_true')
+ p.add_option ('-s', '--start-quant',help= _ ('quantise note starts on DUR'),
+ metavar=_ ('DUR'))
p.add_option ('-t', '--allow-tuplet',
- metavar=_ ("DUR*NUM/DEN"),
- action = "append",
- dest="allowed_tuplets",
- help=_ ("allow tuplet durations DUR*NUM/DEN"),
+ metavar=_ ('DUR*NUM/DEN'),
+ action = 'append',
+ dest='allowed_tuplets',
+ help=_ ('allow tuplet durations DUR*NUM/DEN'),
default=[])
- p.add_option ('-V', '--verbose', help=_ ("be verbose"),
+ p.add_option ('-V', '--verbose', help=_ ('be verbose'),
action='store_true'
),
- p.version = "midi2ly (LilyPond) @TOPLEVEL_VERSION@"
- p.add_option("--version",
- action="version",
- help=_ ("show version number and exit"))
- p.add_option ('-w', '--warranty', help=_ ("show warranty and copyright"),
+ p.version = 'midi2ly (LilyPond) @TOPLEVEL_VERSION@'
+ p.add_option ('--version',
+ action='version',
+ help=_ ('show version number and exit'))
+ p.add_option ('-w', '--warranty', help=_ ('show warranty and copyright'),
action='store_true',
),
- p.add_option ('-x', '--text-lyrics', help=_ ("treat every text as a lyric"),
+ p.add_option ('-x', '--text-lyrics', help=_ ('treat every text as a lyric'),
action='store_true')
- p.add_option_group (ly.display_encode (_ ("Examples")),
+ p.add_option_group (ly.display_encode (_ ('Examples')),
description = r'''
$ midi2ly --key=-2:1 --duration-quant=32 --allow-tuplet=4*2/3 --allow-tuplet=2*4/3 foo.midi
''')
def do_options ():
- opt_parser = get_option_parser()
+ opt_parser = get_option_parser ()
(options, args) = opt_parser.parse_args ()
if not args or args[0] == '-':
opt_parser.print_help ()
- ly.stderr_write ('\n%s: %s %s\n' % (program_name, _ ("error: "),
- _ ("no files specified on command line.")))
+ ly.stderr_write ('\n%s: %s %s\n' % (program_name, _ ('error: '),
+ _ ('no files specified on command line.')))
sys.exit (2)
if options.duration_quant:
options.key = Key (sharps, flats, minor)
-
if options.start_quant:
options.start_quant = int (options.start_quant)
-
+
+ global bar_max
+ if options.preview:
+ bar_max = 4
+
options.allowed_tuplets = [map (int, a.replace ('/','*').split ('*'))
for a in options.allowed_tuplets]
-
+
+ if options.verbose:
+ sys.stderr.write ('Allowed tuplets: %s\n' % `options.allowed_tuplets`)
+
global global_options
global_options = options
return args
-def main():
- files = do_options()
+def main ():
+ files = do_options ()
for f in files:
g = f
pass
convert_midi (f, o)
+
if __name__ == '__main__':
- main()
+ main ()
projects / lilypond.git / blobdiff