def set_some_osc_params(osc_no):
''' Setting up oscillator 'osc_no'.
'''
if verbose:
print '---------'
print '- OSC %i -' % osc_no
print '---------'
# let's mute everything excep 'osc_no'
for i in [1,2,3]:
params['MIX%i_Level' % i].value = (1. if i == osc_no else 0.)
# selecting which type of wave
listes = [range(1,6), range(0,6), range(0,6)+[8]] # it can only be sin, tri, rect, saw, table / + off / + noise
RF.randomize_parameter(params["OSC%i_Wave" % osc_no], au, RF.uniform_list(listes[osc_no-1]))
if verbose:
print 'Wave type : %s' % params["OSC%i_Wave" % osc_no].get_str_from_value()
if params["OSC%i_Wave" % osc_no].value == 0: # if it's OFF we won't do nothing
return
# selecting other things
while True :
RF.randomize_parameter(params['OSC%i_Width' % osc_no], au, RF.uniform)
RF.randomize_parameter(params['OSC%i_Stack' % osc_no], au, RF.uniform)
RF.randomize_parameter(params['OSC%i_StackOffset' % osc_no], au, RF.uniform_custom(0., .55))
RF.randomize_parameter(params['SHP%i_FilterType' % osc_no], au, RF.uniform)
RF.randomize_parameter(params['SHP%i_CutOff' % osc_no], au, RF.uniform)
RF.randomize_parameter(params['SHP%i_Resonance' % osc_no], au, RF.uniform)
RF.randomize_parameter(params['SHP%i_ShapeType' % osc_no], au, RF.uniform_list(range(4)+[5]))
if verbose:
print 'Shape type : %s (%i)' % (params['SHP%i_ShapeType' % osc_no].get_str_from_value(), params['SHP%i_ShapeType' % osc_no].value),
if params['SHP%i_ShapeType' % osc_no].value == 3:
RF.randomize_parameter(params['SHP%i_Bias' % osc_no], au, RF.uniform_custom(0., .25))
else:
RF.randomize_parameter(params['SHP%i_Bias' % osc_no], au, RF.uniform)
RF.randomize_parameter(params['SHP%i_Drive' % osc_no], au, RF.uniform)
if verbose:
print 'and bias is %s' % params['SHP%i_Bias' % osc_no].get_str_from_value()
# some "not osc1" specific parameters
if osc_no != 1:
RF.randomize_parameter(params['OSC%i_Detune' % osc_no], au, RF.normal(.5, .05))
RF.randomize_parameter(params['OSC%i_SyncOffset' % osc_no], au, RF.uniform)
if verbose:
print 'listening to OSC %i' % osc_no
#host.play()
params["MIX%i_Level" % osc_no].value = .2
if check_volume(host, verbose=verbose) > .004:
break
if verbose:
print "Something doesn't sound good : let's do it again."
def randomize_parameters(self, nb_trials=10):
"""
Generate random parameters in a clever way for audiounit 'au' (which must be automat1 by alphakanal)
au must be in the graph of host.
Returns the number of trials if it succeded, -1 if not.
But -1 should very unusual.
nb_trials : nb of time it will try before it stops and returns -1
"""
#for trial_no in range(nb_trials):
trial_no=0
while True:
self.reset_parameters()
verbose = False
au = self.au
host = self.host
params = self.params_dict
params["MIX1_Level"] = params["Mix1_Level"]
self.reset_parameters()
def set_some_osc_params(osc_no):
''' Setting up oscillator 'osc_no'.
'''
if verbose:
print '---------'
print '- OSC %i -' % osc_no
print '---------'
# let's mute everything excep 'osc_no'
for i in [1,2,3]:
params['MIX%i_Level' % i].value = (1. if i == osc_no else 0.)
# selecting which type of wave
listes = [range(1,6), range(0,6), range(0,6)+[8]] # it can only be sin, tri, rect, saw, table / + off / + noise
RF.randomize_parameter(params["OSC%i_Wave" % osc_no], au, RF.uniform_list(listes[osc_no-1]))
if verbose:
print 'Wave type : %s' % params["OSC%i_Wave" % osc_no].get_str_from_value()
if params["OSC%i_Wave" % osc_no].value == 0: # if it's OFF we won't do nothing
return
# selecting other things
while True :
RF.randomize_parameter(params['OSC%i_Width' % osc_no], au, RF.uniform)
RF.randomize_parameter(params['OSC%i_Stack' % osc_no], au, RF.uniform)
RF.randomize_parameter(params['OSC%i_StackOffset' % osc_no], au, RF.uniform_custom(0., .55))
RF.randomize_parameter(params['SHP%i_FilterType' % osc_no], au, RF.uniform)
RF.randomize_parameter(params['SHP%i_CutOff' % osc_no], au, RF.uniform)
RF.randomize_parameter(params['SHP%i_Resonance' % osc_no], au, RF.uniform)
RF.randomize_parameter(params['SHP%i_ShapeType' % osc_no], au, RF.uniform_list(range(4)+[5]))
if verbose:
print 'Shape type : %s (%i)' % (params['SHP%i_ShapeType' % osc_no].get_str_from_value(), params['SHP%i_ShapeType' % osc_no].value),
if params['SHP%i_ShapeType' % osc_no].value == 3:
RF.randomize_parameter(params['SHP%i_Bias' % osc_no], au, RF.uniform_custom(0., .25))
else:
RF.randomize_parameter(params['SHP%i_Bias' % osc_no], au, RF.uniform)
RF.randomize_parameter(params['SHP%i_Drive' % osc_no], au, RF.uniform)
if verbose:
print 'and bias is %s' % params['SHP%i_Bias' % osc_no].get_str_from_value()
# some "not osc1" specific parameters
if osc_no != 1:
RF.randomize_parameter(params['OSC%i_Detune' % osc_no], au, RF.normal(.5, .05))
RF.randomize_parameter(params['OSC%i_SyncOffset' % osc_no], au, RF.uniform)
if verbose:
print 'listening to OSC %i' % osc_no
#host.play()
params["MIX%i_Level" % osc_no].value = .2
if check_volume(host, verbose=verbose) > .004:
break
if verbose:
print "Something doesn't sound good : let's do it again."
for i in [1,2,3]:
set_some_osc_params(i)
# OSC volumes
params['MIX1_Level'].value = 1.
for i in [2,3]:
if params['OSC%i_Wave' % i].value == 0:
params['MIX%i_Level' % i].value = params['MIX%i_Level' % i].default_value
elif params['OSC%i_Wave' %i].value == 8: # if it's noise
RF.randomize_parameter(params['MIX%i_Level' % i], au, RF.uniform_custom(0., .25))
else:
RF.randomize_parameter(params['MIX%i_Level' % i], au, RF.uniform)
# envelop
RF.randomize_parameter(params['AMP_Attack'], self.au, RF.normal(0., .25)) # if neg it becomes 0. alone
for suffix in 'Hold Decay Sustain'.split():
RF.randomize_parameter(params['AMP_%s' % suffix], self.au, RF.uniform)
RF.randomize_parameter(params['AMP_Release'], self.au, RF.normal(.3, .5))
normalize_volume(host, params["OUT_Master"], target_peak=self.volume, verbose=verbose)
vol = params['OUT_Master']
if vol.value < vol.range[1] and vol.value > vol.range[0]:
return trial_no
trial_no+=1
return -1
