clocks_per_1 = 1536
clocks_per_4 = 0
-time = 0
+time = None
reference_note = 0
start_quant_clocks = 0
progress (_ ("error: ") + s)
raise Exception (_ ("Exiting... "))
+def debug (s):
+ if global_options.debug:
+ progress ("debug: " + s)
+
def system (cmd, ignore_error = 0):
return ly.system (cmd, ignore_error=ignore_error)
n = self.names[(self.pitch) % 12]
a = self.alterations[(self.pitch) % 12]
- if a and global_options.key.flats:
+ key = global_options.key
+ if not key:
+ key = Key (0, 0, 0)
+
+ if a and key.flats:
a = - self.alterations[(self.pitch) % 12]
n = (n - a) % 7
o = self.pitch / 12 - 4
- key = global_options.key
if key.minor:
# as -> gis
if (key.sharps == 0 and key.flats == 0
s = chr ((self.notename + 2) % 7 + ord ('a'))
return 'Note(%s %s)' % (s, self.duration.dump ())
- def dump (self, dump_dur = 1):
+ def dump (self, dump_dur=True):
global reference_note
s = chr ((self.notename + 2) % 7 + ord ('a'))
s = s + self.alteration_names[self.alteration + 2]
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 self.duration.compare (reference_note.duration))
+ or global_options.explicit_durations):
s = s + self.duration.dump ()
reference_note = self
or d.compare (reference_note.duration)):
s = s + Duration (self.clocks).dump ()
s = s + ' '
+ elif (self.text
+ and self.type == midi.SEQUENCE_TRACK_NAME
+ and not self.text == 'control track'):
+ text = self.text.replace ('(MIDI)', '').strip ()
+ if text:
+ s = '\n \\set Staff.instrumentName = "%(text)s"\n ' % locals ()
else:
s = '\n % [' + self.text_types[self.type] + '] ' + self.text + '\n '
return s
else:
chs[0].append (e)
- for i in range (16):
- if chs[i] == []:
- del chs[i]
-
threads = []
+ i = 0
for v in chs.values ():
+ i += 1
+ if not v:
+ continue
+ debug ('channel: %d\n' % i)
events = events_on_channel (v)
- thread = unthread_notes (events)
- if len (thread):
- threads.append (thread)
+ t = unthread_notes (events)
+ if len (t):
+ threads.append (t)
return threads
-
def quantise_clocks (clocks, quant):
q = int (clocks / quant) * quant
if q != clocks:
if (e[1][0] == midi.NOTE_OFF
or (e[1][0] == midi.NOTE_ON and e[1][2] == 0)):
+ debug ('%d: NOTE OFF: %s' % (t, e[1][1]))
+ if not e[1][2]:
+ debug (' ...treated as OFF')
end_note (pitches, notes, t, e[1][1])
elif e[1][0] == midi.NOTE_ON:
if not pitches.has_key (e[1][1]):
+ debug ('%d: NOTE ON: %s' % (t, e[1][1]))
pitches[e[1][1]] = (t, e[1][2])
+ else:
+ debug ('...ignored')
# all include ALL_NOTES_OFF
elif (e[1][0] >= midi.ALL_SOUND_OFF
flats = 256 - alterations
k = Key (sharps, flats, minor)
+ if not t and global_options.key:
+ # At t == 0, a set --key overrides us
+ k = global_options.key
events.append ((t, k))
# ugh, must set key while parsing
elif len (notes) > 1:
global reference_note
s = s + '<'
- s = s + notes[0].dump (dump_dur = 0)
+ s = s + notes[0].dump (dump_dur=False)
r = reference_note
for i in notes[1:]:
- s = s + i.dump (dump_dur = 0 )
+ s = s + i.dump (dump_dur=False)
s = s + '>'
s = s + notes[0].duration.dump () + ' '
return (s, last_bar_t, bar_count)
-def dump_channel (thread, skip):
+def dump_voice (thread, skip):
global reference_note, time
- global_options.key = Key (0, 0, 0)
- time = Time (4, 4)
# urg LilyPond doesn't start at c4, but
# remembers from previous tracks!
# reference_note = Note (clocks_per_4, 4*12, 0)
- reference_note = Note (0, 4*12, 0)
+ ref = Note (0, 4*12, 0)
+ if not reference_note:
+ reference_note = ref
+ else:
+ ref.duration = reference_note.duration
+ reference_note = ref
last_e = None
chs = []
ch = []
i = (i - m)/26
return s
-def track_name (i):
+def get_track_name (i):
return 'track' + number2ascii (i)
-def channel_name (i):
+def get_channel_name (i):
return 'channel' + number2ascii (i)
-def dump_track (channels, n):
+def get_voice_name (i):
+ if True: #i:
+ return 'voice' + number2ascii (i)
+ return ''
+
+def get_voice_layout (average_pitch):
+ d = {}
+ for i in range (len (average_pitch)):
+ d[average_pitch[i]] = i
+ s = list (reversed (sorted (average_pitch)))
+ non_empty = len (filter (lambda x: x, s))
+ names = ['One', 'Two']
+ if non_empty > 2:
+ names = ['One', 'Three', 'Four', 'Two']
+ layout = map (lambda x: '', range (len (average_pitch)))
+ for i, n in zip (s, names):
+ if i:
+ v = d[i]
+ layout[v] = n
+ return layout
+
+def dump_track (track, n):
s = '\n'
- track = track_name (n)
- clef = guess_clef (channels)
-
- for i in range (len (channels)):
- channel = channel_name (i)
- item = thread_first_item (channels[i])
-
- if item and item.__class__ == Note:
- skip = 's'
- s = s + '%s = ' % (track + channel)
- if not global_options.absolute_pitches:
- s = s + '\\relative c '
- elif item and item.__class__ == Text:
- skip = '" "'
- s = s + '%s = \\lyricmode ' % (track + channel)
- else:
- skip = '\\skip '
- s = s + '%s = ' % (track + channel)
- s = s + '{\n'
- s = s + ' ' + dump_channel (channels[i][0], skip)
- s = s + '}\n\n'
-
- s = s + '%s = <<\n' % track
+ track_name = get_track_name (n)
+
+ average_pitch = track_average_pitch (track)
+ voices = len (filter (lambda x: x, average_pitch[1:]))
+ clef = get_best_clef (average_pitch[0])
+
+ c = 0
+ v = 0
+ for channel in track:
+ channel_name = get_channel_name (c)
+ c += 1
+ for voice in channel:
+ voice_name = get_voice_name (v)
+ voice_id = track_name + channel_name + voice_name
+ item = voice_first_item (voice)
+
+ if item and item.__class__ == Note:
+ skip = 's'
+ s += '%(voice_id)s = ' % locals ()
+ if not global_options.absolute_pitches:
+ s += '\\relative c '
+ elif item and item.__class__ == Text:
+ skip = '" "'
+ s += '%(voice_id)s = \\lyricmode ' % locals ()
+ else:
+ skip = '\\skip '
+ s += '%(voice_id)s = ' % locals ()
+ s += '{\n'
+ if not n and not v and global_options.key:
+ s += global_options.key.dump ()
+ if average_pitch[v+1] and voices > 1:
+ s += ' \\voice' + get_voice_layout (average_pitch[1:])[v] + '\n'
+ s += ' ' + dump_voice (voice, skip)
+ s += '}\n\n'
+ v += 1
+
+ s += '%(track_name)s = <<\n' % locals ()
if clef.type != 2:
- s = s + clef.dump () + '\n'
-
- for i in range (len (channels)):
- channel = channel_name (i)
- item = thread_first_item (channels[i])
- if item and item.__class__ == Text:
- s = s + ' \\context Lyrics = %s \\%s\n' % (channel,
- track + channel)
- else:
- s = s + ' \\context Voice = %s \\%s\n' % (channel,
- track + channel)
- s = s + '>>\n\n'
+ s += clef.dump () + '\n'
+
+ c = 0
+ v = 0
+ for channel in track:
+ channel_name = get_channel_name (c)
+ c += 1
+ for voice in channel:
+ voice_name = get_voice_name (v)
+ v += 1
+ voice_id = track_name + channel_name + voice_name
+ item = voice_first_item (voice)
+ context = 'Voice'
+ if item and item.__class__ == Text:
+ context = 'Lyrics'
+ s += ' \\context %(context)s = %(voice_name)s \\%(voice_id)s\n' % locals ()
+ s += '>>\n\n'
return s
-def thread_first_item (thread):
- for chord in thread:
- for event in chord:
- if (event[1].__class__ == Note
- or (event[1].__class__ == Text
+def voice_first_item (voice):
+ for event in voice:
+ if (event[1].__class__ == Note
+ or (event[1].__class__ == Text
and event[1].type == midi.LYRIC)):
+ return event[1]
+ return None
- return event[1]
+def channel_first_item (channel):
+ for voice in channel:
+ first = voice_first_item (voice)
+ if first:
+ return first
return None
def track_first_item (track):
- for thread in track:
- first = thread_first_item (thread)
+ for channel in track:
+ first = channel_first_item (channel)
if first:
return first
return None
-def guess_clef (track):
+def track_average_pitch (track):
i = 0
- p = 0
- for thread in track:
- for chord in thread:
- for event in chord:
+ p = [0]
+ v = 1
+ for channel in track:
+ for voice in channel:
+ c = 0
+ p.append (0)
+ for event in voice:
if event[1].__class__ == Note:
- i = i + 1
- p = p + event[1].pitch
- if i and p / i <= 3*12:
- return Clef (0)
- elif i and p / i <= 5*12:
- return Clef (1)
- elif i and p / i >= 7*12:
- return Clef (3)
- else:
- return Clef (2)
+ i += 1
+ c += 1
+ p[v] += event[1].pitch
+ if c:
+ p[0] += p[v]
+ p[v] = p[v] / c
+ v += 1
+ if i:
+ p[0] = p[0] / i
+ return p
+def get_best_clef (average_pitch):
+ if average_pitch:
+ if average_pitch <= 3*12:
+ return Clef (0)
+ elif average_pitch <= 5*12:
+ return Clef (1)
+ elif average_pitch >= 7*12:
+ return Clef (3)
+ 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 allowed_tuplet_clocks
+ global time
str = open (in_file, 'rb').read ()
clocks_max = bar_max * clocks_per_1 * 2
clocks_per_1 = midi_dump[0][1]
clocks_per_4 = clocks_per_1 / 4
+ time = Time (4, 4)
if global_options.start_quant:
start_quant_clocks = clocks_per_1 / global_options.start_quant
tracks = []
for t in midi_dump[1]:
- global_options.key = Key (0, 0, 0)
tracks.append (split_track (t))
tag = '%% Lily was here -- automatically converted by %s from %s' % ( program_name, in_file)
- s = ''
- s = tag + '\n\\version "2.7.38"\n\n'
+ s = tag
+ s += r'''
+\version "2.7.38"
+'''
+
+ s += r'''
+\layout {
+ \context {
+ \Voice
+ \remove "Note_heads_engraver"
+ \consists "Completion_heads_engraver"
+ }
+}
+'''
+
+ for i in global_options.include_header:
+ s += '\n%% included from %(i)s\n' % locals ()
+ s += open (i).read ()
+ if s[-1] != '\n':
+ s += '\n'
+ s += '% end\n'
+
for i in range (len (tracks)):
s = s + dump_track (tracks[i], i)
- s = s + '\n\\score {\n <<\n'
+ s += '\n\\score {\n <<\n'
i = 0
for t in tracks:
- track = track_name (i)
+ track_name = get_track_name (i)
item = track_first_item (t)
-
- if item and item.__class__ == Note:
- s = s + ' \\context Staff=%s \\%s\n' % (track, track)
+ staff_name = track_name
+ context = None
+ if not i and not item and len (tracks) > 1:
+ # control track
+ staff_name = get_track_name (1)
+ context = 'Staff'
+ elif (item and item.__class__ == Note):
+ context = 'Staff'
elif item and item.__class__ == Text:
- s = s + ' \\context Lyrics=%s \\%s\n' % (track, track)
-
+ context = 'Lyrics'
+ if context:
+ s += ' \\context %(context)s=%(staff_name)s \\%(track_name)s\n' % locals ()
i += 1
s = s + ' >>\n}\n'
p.add_option ('-d', '--duration-quant',
metavar=_ ('DUR'),
help=_ ('quantise note durations on DUR'))
+ p.add_option ('-D', '--debug',
+ action='store_true',
+ help=_ ('debug printing'))
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('-i', '--include-header',
+ help=_ ('prepend FILE to output'),
+ action='append',
+ default=[],
+ metavar=_ ('FILE'))
p.add_option('-k', '--key', help=_ ('set key: ALT=+sharps|-flats; MINOR=1'),
metavar=_ ('ALT[:MINOR]'),
- default='0'),
+ default=None),
p.add_option ('-o', '--output', help=_ ('write output to FILE'),
metavar=_ ('FILE'),
action='store')
opt_parser = get_option_parser ()
(options, args) = opt_parser.parse_args ()
+ if options.warranty:
+ warranty ()
+ sys.exit (0)
+
if not args or args[0] == '-':
opt_parser.print_help ()
ly.stderr_write ('\n%s: %s %s\n' % (program_name, _ ('error: '),
if options.duration_quant:
options.duration_quant = int (options.duration_quant)
- if options.warranty:
- warranty ()
- sys.exit (0)
- if 1:
+ if options.key:
(alterations, minor) = map (int, (options.key + ':0').split (':'))[0:2]
sharps = 0
flats = 0
sharps = alterations
else:
flats = - alterations
-
options.key = Key (sharps, flats, minor)
if options.start_quant:
projects / lilypond.git / blobdiff