def main():
usage= 'usage: %prog [options] infname'
parser= OptionParser(usage=usage)
parser.add_option('-o', '--output',
dest='output_folder', default='patterns',
help='output folder')
parser.add_option('-c', '--no-cache',
dest='cache', action='store_false', default=True,
help='discard cache')
options, args= parser.parse_args(argv[1:])
if len(args) < 1: parser.error('not enaught args')
parser= parserclass('models_cache')
infname= args[0]
score= parser.parse(infname)
score= quantize(score)
output_folder_prefix= options.output_folder
pat_sizes= [4]
margins= range(3)
f= 2
key= lambda n:('%s|%s' % (n.duration, n.is_silence),)
writer= writerclass()
results= {}
patterns= get_score_patterns(score, pat_sizes, margins, f, key)
instr, all_notes= score.notes_per_instrument.iteritems().next()
output_folder= os.path.join(output_folder_prefix, infname[:-4])
if not os.path.exists(output_folder):
os.mkdir(output_folder)
for i, (pat, matches) in enumerate(patterns.iteritems()):
pattern_folder= os.path.join(output_folder, 'pat_%s' % i)
if not os.path.exists(pattern_folder):
os.mkdir(pattern_folder)
for j, (start, end) in enumerate(matches):
notes= all_notes[start:end]
notes= [n.copy() for n in notes]
notes[0].start= 0
for prev, next in zip(notes, notes[1:]):
next.start= prev.start+prev.duration
s= score.copy()
s.notes_per_instrument={instr:notes}
writer.dump(s, os.path.join(pattern_folder, 'match_%s.mid' % j))
def main():
usage= 'usage: %prog [options] infname1 [infname2 ...]'
parser= OptionParser(usage=usage)
parser.add_option('-o', '--output',
dest='output_fname', default='cluster.out',
help='output fname')
parser.add_option('-c', '--no-cache',
dest='cache', action='store_false', default=True,
help='discard cache')
parser.add_option('-k', '--resulting-dimensionality',
dest='k', default=150,
help='el numero de dimensiones resultantes')
options, args= parser.parse_args(argv[1:])
if len(args) < 1: parser.error('not enaught args')
parser= parserclass('models_cache')
infnames= args
outfname= options.output_fname
print 'parsing scores'
scores= [parser.parse(infname, cache=options.cache) for infname in infnames]
nclusterss= [2] # range(2,5)
npasss= [5,10, 15, 20, 25]
methods= ['a', 'm']
dists= ['e', 'b', 'c', 'a', 'u', 'x', 's', 'k']
configs= list(combine(nclusterss, npasss, methods, dists))
results= {}
for k in range(2,10,2):
print 'k=', k
concept_vectors= apply_lsa(scores, k)
step= len(configs)/10
for i, (nclusters, npass, method, dist) in enumerate(configs):
if (i+1)%step == 0: print '\t', ((i+1)*100)/len(configs)
r= Pycluster.kcluster(concept_vectors,
nclusters= nclusters,
method= method, dist= dist)
results[(k, nclusters, npass, method, dist)]= r
f= open('clusters_results.pickle', 'w')
pickle.dump(results, f, 2)
f.close()
def main():
usage= 'usage: %prog [options] infname'
parser= OptionParser(usage=usage)
parser.add_option('-c', '--no-cache',
dest='cache', action='store_false', default=True,
help='discard cache')
options, args= parser.parse_args(argv[1:])
if len(args) < 1: parser.error('not enaught args')
parser= parserclass('models_cache')
infname= args[0]
score= parser.parse(infname, cache=options.cache)
#import ipdb;ipdb.set_trace()
notes= score.notes_per_instrument.values()[0]
for n in notes: print n
def main():
usage= 'usage: %prog [options] infname [outfname]'
parser= OptionParser(usage=usage)
parser.add_option('-f', '--from', dest='moment_from', help='start moment in ticks', default=0)
parser.add_option('-t', '--to', dest='moment_to', help='end moment in ticks')
parser.add_option('-d', '--duration', dest='duration', help='duration of the slice')
parser.add_option('-c', '--no-cache', dest='cache', action='store_false', default=True, help='discard cache')
options, args= parser.parse_args(argv[1:])
if len(args) < 1: parser.error('not enaught args')
parser= parserclass('models_cache')
moment_from= int(options.moment_from)
if options.moment_to is None and options.duration is None:
parser.error('falta --to y --duration')
elif options.moment_to is None:
moment_to= int(options.moment_from)+int(options.duration)
else:
moment_to= int(options.moment_to)
infname= args[0]
if len(args) == 1: outfname= '%s-%s-%s.mid' % (infname[:-4], moment_from, moment_to)
else: outfname= args[1]
print 'creating score'
score= parser.parse(infname, cache=options.cache)
beat_duration= float(score.tempo)/1e6
divisions= score.divisions
for instrument, notes in score.notes_per_instrument.iteritems():
new_notes= [n for n in notes \
if n.start/divisions*beat_duration >= moment_from and \
(n.start + n.duration)/divisions*beat_duration< moment_to]
score.notes_per_instrument[instrument]= new_notes
print 'dumping'
writer= writerclass()
writer.dump(score, outfname)
from config import parserclass, writerclass
from sys import argv
in_file= argv[1]
channel= int(argv[2])
out_file = in_file.replace('.mid', '-%s.mid' % channel)
parser= parserclass()
score= parser.parse(in_file)
for instr, notes in score.notes_per_instrument.iteritems():
if instr.channel == channel: break
#instr.is_drums=True
score.notes_per_instrument= {instr:notes}
writer= writerclass()
writer.dump(score, out_file)
def train2(options, args):
partition_algorithm= options.partition_algorithm
patch= options.patch
channel= options.channel
level= options.level
infname= args[0]
outfname= args[1]
parser= parserclass()
score= parser.parse(infname)
#score= quantize(score)
orig_score= score.copy()
if not score: import ipdb;ipdb.set_trace() # por que podria devolver None?
#########
# BOCHA DE AJUSTES DE PARSING
instr= score.notes_per_instrument.keys()[0]
patch= instr.patch
channel= instr.channel
#########
#########
if options.partition_algorithm == 'MGRID':
interval_size= metrical_grid_interval_size(score, notes, level)
elif options.partition_algorithm == 'MEASURE':
interval_size= measure_interval_size(score, options.n_measures)
nintervals= 16
nintervals= orig_score.get_notes()[-1].end/interval_size
nphrases= 5
composition_length= interval_size*nintervals
alpha= nphrases/log(nintervals,2)
# para que la copie del tema original
chords_notes_alg= ScoreHarmonicContext(orig_score)
rythm_alg= RythmHMM(interval_size, multipart=False, instrument=patch, channel=channel)
melody_alg= HarmonyHMM(instrument=patch, channel=channel)
algorithm= StackAlgorithm(rythm_alg, chords_notes_alg, melody_alg)
# para que arme la base
#chords_notes_alg= HMMHarmonicContext(3)
#chords_rythm_alg= RythmHMM(interval_size, multipart=True, instrument=patch, channel=channel)
#chord_maker= StackAlgorithm(chords_rythm_alg, chords_notes_alg)
#phrase_maker= PhraseAlgorithm(orig_score.divisions, alpha, chord_maker)
#rythm_alg= RythmHMM(interval_size, multipart=True, instrument=patch, channel=channel)
#melody_alg= HarmonyHMM(instrument=patch, channel=channel)
#algorithm= StackAlgorithm(phrase_maker, rythm_alg, phrase_maker, melody_alg)
algorithm.train(score)
applier= AlgorithmsApplier(algorithm)
notes= applier.create_melody(composition_length, print_info=True)
#for c1, c2 in zip(phrase_maker.ec.chords, phrase_maker.ec.chords[1:]):
# if c1.end != c2.start: import ipdb;ipdb.set_trace()
if options.print_model: print algorithm.model
drums= Instrument(is_drums=True)
#drums.patch= int('0x12', 16)
instrument= Instrument()
instrument2= Instrument()
instrument3= Instrument()
instrument.patch= 33
instrument2.patch= 21
instrument3.patch= 0
for i, ns in orig_score.notes_per_instrument.iteritems():
for n in ns: n.volume= 75
full_new= False
if full_new:
chords= []
duration= 0
metro= []
for i in xrange(0, nintervals*interval_size, score.divisions):
metro.append(PlayedNote(31, i, i+1, 65))
for chord in phrase_maker.ec.chords:
for note in chord.notes:
chords.append(PlayedNote(note.pitch, chord.start, chord.duration, chord.volume))
orig_score.notes_per_instrument= {instrument3:chords, instrument:notes}#, drums:metro}
#orig_score.notes_per_instrument= {drums:metro}
#orig_score.notes_per_instrument= {instrument:notes}
orig_score.notes_per_instrument= {instrument3:chords}#, drums:metro}
else:
orig_score.notes_per_instrument[instrument]= notes
writer= writerclass()
writer.dump(orig_score, outfname)
print 'done!'