def _generate_phrase(self, phrase_id):
phrase= []
actual_phrase_length= 0
phrase_length= self.ec.phrase_length
input= AcumulatedInput()
input.phrase_id= phrase_id
first_start= None
while actual_phrase_length < phrase_length:
result= PartialChord()
self.chord_maker.next(input, result, [])
chord= result.finish()
if first_start is None: first_start= chord.start
chord.start-= first_start
phrase.append(chord)
actual_phrase_length+= chord.duration
if phrase[-1].end > phrase_length:
phrase[-1].duration= phrase_length-phrase[-1].start
return phrase
def compose(self, score, **optional):
params= bind_params(self.params, optional)
melody_instrument= None
rythm_instrument= None
for instrument in score.instruments:
if self.matches_description(instrument, params['melody_patch'], params['melody_channel']):
melody_instrument= instrument
if self.matches_description(instrument, params['rythm_patch'], params['rythm_channel']):
rythm_instrument= instrument
if (melody_instrument is None or rythm_instrument is None) and len(score.instruments) > 1: raise Exception("Que instrument?")
else:
rythm_instrument= melody_instrument= score.instruments[0]
interval_size= measure_interval_size(score, params['n_measures'])
#harmonic_context_alg= YamlHarmonicContext('/home/prakuso/tesis/src/electrozart/electrozart/composers/base2.yaml', score.divisions)
harmonic_context_alg= ChordHarmonicContext(score)
harmonic_context_alg= PhraseRepetitions(harmonic_context_alg, alpha=7)
rythm_alg= RythmHMM(interval_size, instrument=rythm_instrument.patch, channel=rythm_instrument.channel)
phrase_rythm_alg= rythm_alg
phrase_rythm_alg= ListRythm(rythm_alg)
phrase_rythm_alg= RythmCacheAlgorithm(ListRythm(rythm_alg), 'phrase_id')
melody_alg= NarmourHMM(instrument=melody_instrument.patch, channel=melody_instrument.channel)
phrase_melody_alg= melody_alg
phrase_melody_alg= ListMelody(melody_alg)
phrase_melody_alg= CacheAlgorithm(ListMelody(melody_alg), 'phrase_id')
#rythm_score= score.copy()
#rythm_score.notes_per_instrument.pop(piano)
print "todos los intrsumentos"
for instrument in score.instruments:
if not instrument.is_drums:
melody_alg.obsSeqBuilder.builder.patch= instrument.patch
melody_alg.train(score)
rythm_alg.obsSeqBuilder.builder.patch= instrument.patch
rythm_alg.train(score)
harmonic_context_alg.train(score)
applier= AlgorithmsApplier(harmonic_context_alg, phrase_rythm_alg, phrase_melody_alg)
self.applier= applier
applier.start_creation()
rythm_alg.draw_model('rythm.png', score.divisions)
melody_alg.model.draw('melody.png', str)
duration= score.duration
#duration= harmonic_context_alg.harmonic_context_alg.chordlist[-1].end
#duration= harmonic_context_alg.chordlist[-1].end
# octave range
score_notes= score.get_notes(skip_silences=True)
mean_pitch= sum(float(n.pitch) for n in score_notes)/len(score_notes)
std_dev= sqrt(sum((n.pitch-mean_pitch)**2 for n in score_notes)/len(score_notes))
#import ipdb;ipdb.set_trace()
octave= int(mean_pitch/12) #+ 1
min_pitch= octave*12
max_pitch= (octave+2)*12 + 6
offset= 0
min_pitch= int(mean_pitch - std_dev+offset)
max_pitch= int(mean_pitch + std_dev+offset)
print "MIN PITCH", min_pitch
print "MAX PITCH", max_pitch
general_input= AcumulatedInput()
general_input.min_pitch= min_pitch
general_input.max_pitch= max_pitch
notes= applier.create_melody(duration, params['print_info'], general_input=general_input)
#seed(time())
#chord_notes= []
#for c in harmonic_context_alg.chordlist:
# for n in c.notes:
# chord_notes.append(PlayedNote(n.pitch+3*12, c.start, c.duration, 80))
#duration= chord_notes[-1].end
res= score.copy()
rythm_alg.model.calculate_metrical_accents()
#rythm_alg.model.draw_accents('accents.png', score.divisions)
import random
cache= {}
def random_accent(note):
moment= (note.start%rythm_alg.model.interval_size)/rythm_alg.model.global_gcd
res= cache.get(moment)
if res is None:
res= randint(1, 6)
cache[moment]= res
return res
def dec_accent(note):
moment= (note.start%rythm_alg.model.interval_size)/rythm_alg.model.global_gcd
res= cache.get(moment)
if res is None:
res= 7-moment
cache[moment]= res
return res
def inc_accent(note):
moment= (note.start%rythm_alg.model.interval_size)/rythm_alg.model.global_gcd
res= cache.get(moment)
if res is None:
res= moment + 1
cache[moment]= res
return res
accent_func= rythm_alg.model.get_metrical_accent
accent_func= inc_accent
accent_func= dec_accent
accent_func= random_accent
#seed(time())
#max_accent= max(rythm_alg.model.metrical_accents.itervalues())
#min_accent= max(rythm_alg.model.metrical_accents.itervalues())
max_accent= 6
for i, n in enumerate(notes):
accent= accent_func(n)
n.volume= min(100, max(60, (100 * accent)/max_accent))
if not n.is_silence: n.pitch+=12
#if rythm_alg.model.get_metrical_accent(n)== min_accent and random.random() > 0.5:
# pass
# #notes[i]= Silence(n.start, n.duration)
print "min volume:", min(n.volume for n in notes if not n.is_silence)
print "max volume:", max(n.volume for n in notes if not n.is_silence)
print "accent mapping"
for moment, accent in sorted(cache.items(), key=lambda x:x[0]):
print moment, accent
for n in res.get_notes(skip_silences=True):
n.volume= 50
#piano= res.notes_per_instrument.keys()[0]
#piano= Instrument()
instrument= Instrument()
instrument.patch= params['melody_patch_to_dump']
instrument.patch= 26
instrument.patch= 73
instrument.patch= 21
instrument.patch= 74
res.notes_per_instrument[instrument]= notes
#res.notes_per_instrument= {instrument: notes, melody_instrument:res.notes_per_instrument[melody_instrument]}
#res.notes_per_instrument= {instrument: notes}
#res.notes_per_instrument[piano]= chord_notes
#rythm_alg.draw_model('rythm.png')
import electrozart
from electrozart import base
from electrozart.algorithms import ExecutionContext
#from pycana import CodeAnalyzer
#analyzer= CodeAnalyzer(electrozart)
#relations= analyzer.analyze(exceptions= [ExecutionContext])
#analyzer.draw_relations(relations, 'relations.png')
return res
def compose(self, score, **optional):
applier= self.build_models(score, **optional)
params= self.params= bind_params(self.params, optional)
#import pickle
#f=open('r.pickle','w')
#pickle.dump(rythm_alg.model, f, 2)
#f.close()
#1/0
# XXX
#self.rythm_alg= rythm_alg#.draw_model('rythm.png', score.divisions)
#self.melody_alg= melody_alg #.model.draw('melody.png', str)
duration= score.duration
#duration= harmonic_context_alg.harmonic_context_alg.chordlist[-1].end
#duration= harmonic_context_alg.chordlist[-1].end
general_input= AcumulatedInput()
general_input.min_pitch= params['min_pitch']
general_input.max_pitch= params['max_pitch']
notes= applier.create_melody(duration, params['print_info'], general_input=general_input)
#seed(time())
#chord_notes= []
#for c in harmonic_context_alg.chordlist:
# for n in c.notes:
# chord_notes.append(PlayedNote(n.pitch+3*12, c.start, c.duration, 80))
#duration= chord_notes[-1].end
res= score.copy()
self.algorithms['rythm_alg'].model.calculate_metrical_accents()
#rythm_alg.model.draw_accents('accents.png', score.divisions)
import random
rnd= random.Random(params['seed'])
cache= {}
def random_accent(note):
moment= (note.start%self.algorithms['rythm_alg'].model.interval_size)/self.algorithms['rythm_alg'].model.global_gcd
res= cache.get(moment)
if res is None:
res= rnd.randint(1, 6)
cache[moment]= res
return res
def dec_accent(note):
moment= (note.start%self.algorithms['rythm_alg'].model.interval_size)/self.algorithms['rythm_alg'].model.global_gcd
res= cache.get(moment)
if res is None:
res= 7-moment
cache[moment]= res
return res
def inc_accent(note):
moment= (note.start%self.algorithms['rythm_alg'].model.interval_size)/self.algorithms['rythm_alg'].model.global_gcd
res= cache.get(moment)
if res is None:
res= moment + 1
cache[moment]= res
return res
accent_func= self.algorithms['rythm_alg'].model.get_metrical_accent
accent_func= inc_accent
accent_func= dec_accent
accent_func= random_accent
#seed(time())
#max_accent= max(rythm_alg.model.metrical_accents.itervalues())
#min_accent= max(rythm_alg.model.metrical_accents.itervalues())
max_accent= 6
for i, n in enumerate(notes):
accent= accent_func(n)
n.volume= min(100, max(60, (100 * accent)/max_accent))
if not n.is_silence: n.pitch+=12
#if rythm_alg.model.get_metrical_accent(n)== min_accent and random.random() > 0.5:
# pass
# #notes[i]= Silence(n.start, n.duration)
min_volume= min(n.volume for n in notes if not n.is_silence)
max_volume= max(n.volume for n in notes if not n.is_silence)
self.params['min volume']= min_volume
self.params['max volume']= max_volume
print "min volume:", min_volume
print "max volume:", max_volume
self.params['algorithms params']= applier.algorithms_params()
self.params['accent mapping']= cache
print "accent mapping"
for moment, accent in sorted(cache.items(), key=lambda x:x[0]):
print moment, accent
for n in res.get_notes(skip_silences=True):
n.volume= 50
#piano= res.notes_per_instrument.keys()[0]
#piano= Instrument()
instrument= Instrument()
instrument.patch= 73
instrument.patch= 26
instrument.patch= 32
instrument.patch= params['output_patch']
instrument.patch= 30 #electrica
instrument.patch= 74 #flauta
instrument.patch= 25
res.notes_per_instrument[instrument]= notes
#res.notes_per_instrument= {instrument: notes}
#res.notes_per_instrument[piano]= chord_notes
#rythm_alg.draw_model('rythm.png')
import electrozart
from electrozart import base
from electrozart.algorithms import ExecutionContext
#from pycana import CodeAnalyzer
#analyzer= CodeAnalyzer(electrozart)
#relations= analyzer.analyze(exceptions= [ExecutionContext])
#analyzer.draw_relations(relations, 'relations.png')
#XXX
return res, instrument