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import random
import math
import Utils
import Drunk
import Config
from Util.CSoundNote import CSoundNote
from Generation.VariationPitch import *
from Generation.VariationRythm import *
from Generation.GenerationConstants import GenerationConstants
from Generation.GenerationRythm import GenerationRythm
from Generation.GenerationPitch import GenerationPitch
class GenerationParameters:
def __init__( self,
density = GenerationConstants.DEFAULT_DENSITY,
rythmRegularity = GenerationConstants.DEFAULT_RYTHM_REGULARITY,
step = GenerationConstants.DEFAULT_STEP,
pitchRegularity = GenerationConstants.DEFAULT_PITCH_REGULARITY,
articule = GenerationConstants.DEFAULT_DURATION,
silence = GenerationConstants.DEFAULT_SILENCE,
rythmMethod = GenerationConstants.DEFAULT_RYTHM_METHOD,
pitchMethod = GenerationConstants.DEFAULT_PITCH_METHOD,
pattern = GenerationConstants.DEFAULT_PATTERN,
scale = GenerationConstants.DEFAULT_SCALE ):
self.density = density
self.rythmRegularity = rythmRegularity
self.step = step
self.pitchRegularity = pitchRegularity
self.articule = articule
self.silence = silence
self.rythmMethod = rythmMethod
self.pitchMethod = pitchMethod
self.pattern = pattern
self.scale = scale
def generator1(
parameters, # algorithm-specific parameters
volume, # [trackId: float(volume) ]
instrument, # [trackId: instrument]
tempo, # integer bpm
nbeats, # map [ pageId : beats ]
trackIds, # list of trackIds to generate
pageIds, # list of pageIds to generate
trackDictionary # map [ trackId : [ pageId : events ] ]
):
makeRythm = GenerationRythm()
makePitch = GenerationPitch(parameters.pattern)
#makeHarmonicSequence = Drunk.Drunk( 0, 7 )
def makeGainSequence( onsetList ):
gainSequence = []
max = GenerationConstants.GAIN_MAX_BOUNDARY
midMax = GenerationConstants.GAIN_MID_MAX_BOUNDARY
for onset in onsetList:
if onset == 0:
gain = random.uniform(GenerationConstants.GAIN_MID_MAX_BOUNDARY, GenerationConstants.GAIN_MAX_BOUNDARY)
elif ( onset % Config.TICKS_PER_BEAT) == 0:
gain = random.uniform(GenerationConstants.GAIN_MID_MIN_BOUNDARY, GenerationConstants.GAIN_MID_MAX_BOUNDARY)
else:
gain = random.uniform(GenerationConstants.GAIN_MIN_BOUNDARY, GenerationConstants.GAIN_MID_MIN_BOUNDARY)
gainSequence.append(gain)
return gainSequence
def makeDurationSequence( onsetList, parameters, table_duration, barLength, currentInstrument ):
durationSequence = []
if Config.INSTRUMENTS[currentInstrument].soundClass == 'drum':
duration = GenerationConstants.DOUBLE_TICK_DUR / 2
durationSequence = [duration] * len(onsetList)
return durationSequence
if len( onsetList ) > 1:
for i in range(len(onsetList) - 1):
duration = (onsetList[i+1] - onsetList[i]) * Utils.prob2( table_duration )
durationSequence.append(duration)
durationSequence.append(( barLength - onsetList[-1]) * Utils.prob2( table_duration ))
elif len( onsetList ) == 1:
durationSequence.append( ( barLength - onsetList[0] ) * Utils.prob2( table_duration ))
return durationSequence
def pageGenerate( parameters, trackId, pageId, trackOfNotes, drumPitch = None ):
trackNotes = trackOfNotes
if drumPitch:
currentInstrument = Config.INSTRUMENTS[instrument[ trackId ]].kit[drumPitch[0]].name
rythmSequence = makeRythm.drumRythmSequence(parameters, currentInstrument, barLength)
pitchSequence = makePitch.drumPitchSequence(len(rythmSequence), parameters, drumPitch, table_pitch )
else:
currentInstrument = instrument[ trackId ]
rythmSequence = makeRythm.celluleRythmSequence(parameters, barLength, currentInstrument)
pitchSequence = makePitch.drunkPitchSequence(len(rythmSequence),parameters, table_pitch)
makePitch.pitchMethod.__init__(5, 12)
gainSequence = makeGainSequence(rythmSequence)
durationSequence = makeDurationSequence(rythmSequence, parameters, table_duration, barLength, currentInstrument)
numOfNotes = range(len(rythmSequence))
for i in numOfNotes:
if drumPitch:
if ( random.random() * fillDrum ) > ( parameters.silence * .7 ):
if fillDrum != 1:
if rythmSequence[i] not in trackOnsets or pitchSequence[i] not in trackPitchs:
trackNotes.append( CSoundNote( rythmSequence[i], pitchSequence[i], gainSequence[i], GenerationConstants.DEFAULT_PAN, durationSequence[i], trackId, Config.INSTRUMENTS[instrument[ trackId ]].instrumentId, 0.002, 0.098, 0.1, 0, 1000, False, 'edit' ) )
else:
trackNotes.append( CSoundNote( rythmSequence[i], pitchSequence[i], gainSequence[i], GenerationConstants.DEFAULT_PAN, durationSequence[i], trackId, Config.INSTRUMENTS[instrument[ trackId ]].instrumentId, 0.002, 0.098, 0.1, 0, 1000, False, 'edit' ) )
else:
if random.random() > parameters.silence:
trackNotes.append( CSoundNote( rythmSequence[i], pitchSequence[i], gainSequence[i], GenerationConstants.DEFAULT_PAN, durationSequence[i], trackId, Config.INSTRUMENTS[instrument[ trackId ]].instrumentId, 0.002, 0.098, 0.1, 0, 1000, False, 'edit' ) )
trackDictionary[ trackId ][ pageId ] = trackNotes
##################################################################################
# begin generate()
# harmonicSequence = []
# for i in range( nbeats ):
# harmonicSequence.append(
# GenerationConstants.CHORDS_TABLE[ makeHarmonicSequence.getNextValue( 2, len( GenerationConstants.CHORDS_TABLE ) - 1 ) ] )
table_duration = Utils.scale(parameters.articule, GenerationConstants.ARTICULATION_SCALE_MIN_MAPPING, GenerationConstants.ARTICULATION_SCALE_MAX_MAPPING, GenerationConstants.ARTICULATION_SCALE_STEPS)
table_pitch = GenerationConstants.SCALES[parameters.scale]
for trackId in trackIds:
if instrument[ trackId ][0:4] == 'drum':
if parameters.rythmRegularity > 0.75:
streamOfPitch = GenerationConstants.DRUM_COMPLEXITY1
elif parameters.rythmRegularity > 0.5:
streamOfPitch = GenerationConstants.DRUM_COMPLEXITY2
elif parameters.rythmRegularity > 0.25:
streamOfPitch = GenerationConstants.DRUM_COMPLEXITY3
else:
streamOfPitch = GenerationConstants.DRUM_COMPLEXITY4
selectedPageCount = 0
lastPageId = 0
for pageId in pageIds:
barLength = Config.TICKS_PER_BEAT * nbeats[ pageId ]
trackOfNotes = []
if instrument[ trackId ][0:4] == 'drum':
if ( selectedPageCount % 4 ) in [1,2]:
trackDictionary[ trackId ][ pageId ] = [ n for n in trackDictionary[ trackId ][ lastPageId ] ]
elif ( selectedPageCount % 4 ) == 3:
trackOfNotes = [ n for n in trackDictionary[ trackId ][ lastPageId ] ]
trackOnsets = [n.onset for n in trackOfNotes]
trackPitchs = [n.pitch for n in trackOfNotes]
fillDrum = .5
rythmRegTemp = parameters.rythmRegularity
parameters.rythmRegularity = 0.
for drumPitch in GenerationConstants.DRUM_COMPLEXITY4:
pageGenerate( parameters, trackId, pageId, trackOfNotes, drumPitch )
parameters.rythmRegularity = rythmRegTemp
elif ( selectedPageCount % 4 ) == 0:
fillDrum = 1
for drumPitch in streamOfPitch:
pageGenerate( parameters, trackId, pageId, trackOfNotes, drumPitch )
else:
pageGenerate( parameters, trackId, pageId, trackOfNotes, drumPitch = None )
selectedPageCount += 1
lastPageId = pageId
class VariationParameters:
def __init__( self, sourceVariation, pitchVariation = 0, rythmVariation = 0 ):
self.sourceVariation = sourceVariation
self.pitchVariation = pitchVariation
self.rythmVariation = rythmVariation
def variate(
parameters, # algorithm-specific parameters
volume, # [trackId: float(volume) ]
instrument, # [trackId: instrument]
tempo, # integer bpm
nbeats, # map [ pageId : beats ]
trackIds, # list of trackIds to generate
pageIds, # list of pageIds to generate
trackDictionary # map [ trackId : [ pageId : events ] ]
):
pitchMarkov = PitchMarkov()
pitchReverse = PitchReverse()
pitchSort = PitchSort()
pitchShuffle = PitchShuffle()
makePitch = GenerationPitch()
makeHarmonicSequence = Drunk.Drunk(0, 7 )
rythmShuffle = RythmShuffle( )
rythmReverse = RythmReverse( )
def pageVariate( parameters, trackId, pageId ):
tempTrackNotes = []
trackNotes = []
for note in trackDictionary[ trackId ][ parameters.sourceVariation ]:
tempTrackNotes.append( note.clone() )
if parameters.rythmVariation == 0:
for note in tempTrackNotes:
trackNotes.append( note.clone() )
if parameters.rythmVariation == 1:
for note in rythmReverse.getNewList( tempTrackNotes, nbeats[ pageId ] ):
trackNotes.append( note.clone() )
if parameters.rythmVariation == 2:
for note in rythmShuffle.getNewList( tempTrackNotes , nbeats[ pageId ] ):
trackNotes.append( note.clone() )
#del trackDictionary[ trackId ][ pageId ]
trackDictionary[ trackId ][ pageId ] = trackNotes
tempTrackNotes = []
trackNotes = []
for note in trackDictionary[ trackId ][ parameters.sourceVariation ]:
tempTrackNotes.append( note.clone() )
if parameters.pitchVariation == 0:
for note in tempTrackNotes:
trackNotes.append( note.clone() )
elif parameters.pitchVariation == 1:
for note in pitchMarkov.getNewList( tempTrackNotes, 1 ):
trackNotes.append( note.clone() )
elif parameters.pitchVariation == 2:
for note in pitchReverse.reorderPitch( tempTrackNotes ):
trackNotes.append( note.clone() )
elif parameters.pitchVariation == 3:
for note in pitchSort.reorderPitch( tempTrackNotes ):
trackNotes.append( note.clone() )
elif parameters.pitchVariation == 4:
for note in pitchShuffle.reorderPitch( tempTrackNotes ):
trackNotes.append( note.clone() )
#del trackDictionary[ trackId ][ pageId ]
trackDictionary[ trackId ][ pageId ] = trackNotes
for trackId in trackIds:
for pageId in pageIds:
pageVariate( parameters, trackId, pageId )
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