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import random
import math
import Utils
import Drunk
from Framework.Constants import Constants
from Framework.CSound.CSoundConstants import CSoundConstants
from Framework.CSound.CSoundNote import CSoundNote
from Framework.Generation.VariationPitch import *
from Framework.Generation.VariationRythm import *
from Framework.Generation.GenerationConstants import GenerationConstants
from Framework.Generation.GenerationRythm import GenerationRythm
from Framework.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_ARTICULE,
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.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, # integer
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( 7 )
rythmShuffle = RythmShuffle( )
rythmReverse = RythmReverse( )
def makeGainSequence( onsetList ):
gainSequence = []
for onset in onsetList:
if onset == 0:
gain = random.uniform(GenerationConstants.GAIN_MID_MAX_BOUNDARY, GenerationConstants.GAIN_MAX_BOUNDARY)
elif ( onset % Constants.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 = []
fullDurationSequence = []
if len( onsetList ) > 1:
for i in range(len(onsetList) - 1):
duration = (onsetList[i+1] - onsetList[i]) * Utils.prob2( table_duration )
if duration == (onsetList[i+1] - onsetList[i]):
fullDurationSequence.append(True)
else:
fullDurationSequence.append(False)
if CSoundConstants.INSTRUMENTS[ currentInstrument ].soundClass == 'drum':
duration = GenerationConstants.DOUBLE_TICK_DUR / 2
durationSequence.append(duration)
if CSoundConstants.INSTRUMENTS[ currentInstrument ].soundClass == 'drum':
durationSequence.append( GenerationConstants.DOUBLE_TICK_DUR / 2)
else:
durationSequence.append(( barLength - onsetList[-1]) * Utils.prob2( table_duration ))
fullDurationSequence.append(False)
elif len( onsetList ) == 1:
if CSoundConstants.INSTRUMENTS[ currentInstrument ].soundClass == 'drum':
durationSequence.append( GenerationConstants.DOUBLE_TICK_DUR / 2 )
else:
durationSequence.append( ( barLength - onsetList[ 0 ] ) * Utils.prob2( table_duration ))
fullDurationSequence.append( False )
return durationSequence, fullDurationSequence
def pageGenerate( parameters, trackID, pageID, selectedPageCount, lastPageID, trackOfNotes, drumPitch = None ):
trackNotes = trackOfNotes
barLength = Constants.TICKS_PER_BEAT * nbeats
if drumPitch:
currentInstrument = CSoundConstants.DRUM1INSTRUMENTS[ drumPitch[ 0 ] ]
else:
drumPitch = [ 36 ]
currentInstrument = instrument[ trackID ]
makeRythm = GenerationRythm( currentInstrument, barLength )
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]
if CSoundConstants.INSTRUMENTS[ currentInstrument ].soundClass == 'drum':
rythmSequence = makeRythm.drumRythmSequence(parameters)
pitchSequence = makePitch.drumPitchSequence(len(rythmSequence), parameters, drumPitch, table_pitch )
elif CSoundConstants.INSTRUMENTS[ currentInstrument ].soundClass == 'melo':
if parameters.rythmMethod == 0:
rythmSequence = makeRythm.celluleRythmSequence(parameters)
elif parameters.rythmMethod == 1:
rythmSequence = makeRythm.xnoiseRythmSequence(parameters)
if parameters.pitchMethod == 0:
pitchSequence = makePitch.drunkPitchSequence(len(rythmSequence), parameters, table_pitch)
elif parameters.pitchMethod == 1:
pitchSequence = makePitch.harmonicPitchSequence( rythmSequence, parameters, table_pitch, harmonicSequence )
gainSequence = makeGainSequence(rythmSequence)
durationSequence, fullDurationSequence = makeDurationSequence(rythmSequence, parameters, table_duration, barLength, currentInstrument)
for i in range(len(rythmSequence)):
trackNotes.append( CSoundNote( rythmSequence[i], pitchSequence[i], gainSequence[i],
GenerationConstants.DEFAULT_PAN, durationSequence[i], trackID,
fullDurationSequence[i], instrument[ trackID ] ) )
# del trackDictionary[ trackID ][ pageID ]
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 ) ] )
for trackID in trackIDs:
if instrument[ trackID ] == 'drum1kit':
if parameters.rythmRegularity > 0.75:
pitchOfStream = [ [ 24 ], [30] , [ 40 ], [ 46 ] ]
elif parameters.rythmRegularity > 0.5:
pitchOfStream = [ [ 24, 28 ], [ 30, 32 ], [ 36, 38, 40 ], [ 46, 48 ] ]
elif parameters.rythmRegularity > 0.25:
pitchOfStream = [ [ 24, 26, 28 ], [ 30, 32, 34 ], [ 38, 40 ], [ 42, 46, 48 ] ]
else:
pitchOfStream = [ [ 24, 26, 28 ], [ 30, 32, 34 ], [ 38, 40 ], [ 42, 44, 46, 48 ] ]
selectedPageCount = 0
lastPageID = 0
for pageID in pageIDs:
trackOfNotes = []
# del trackDictionary[ trackID ][ pageID ]
if instrument[ trackID ] == 'drum1kit':
for drumPitch in pitchOfStream:
pageGenerate( parameters, trackID, pageID, selectedPageCount, lastPageID, trackOfNotes, drumPitch )
else:
pageGenerate( parameters, trackID, pageID, selectedPageCount, lastPageID, 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, # integer
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( 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 ):
trackNotes.append( note.clone() )
if parameters.rythmVariation == 2:
for note in rythmShuffle.getNewList( tempTrackNotes , nbeats):
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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