def count(self, time=None):
# Count the events that should have taken place between 0 and now()
n = 0
acc = 0
dur = 0
now = (time if time is not None else
self.metro.now()) + self.metro.get_latency()
durations = self.rhythm()
total_dur = float(sum(durations))
if total_dur == 0:
WarningMsg("Player object has a total duration of 0. Set to 1")
durations = [1]
total_dur = 1
self.dur = 1
acc = now - (now % total_dur)
try:
n = int(len(durations) * (acc / total_dur))
except TypeError as e:
WarningMsg(e)
self.stop()
return 0, 0
while True:
dur = float(modi(durations, n))
if acc + dur > now:
break
else:
acc += dur
n += 1
# Store duration times
self.old_dur = self.attr['dur']
# Returns value for self.event_n and self.event_index
self.notes_played = n
return n, acc
def shuffle(self, attr=None):
""" Shuffles """
if attr is None:
shuffle(self.attr['degree'])
elif attr in self.attr:
shuffle(self.attr[attr])
else:
WarningMsg("Player Object has no attribute '{}'".format(attr))
def __setattr__(self, name, value):
try:
for p in self.players:
try:
setattr(p, name, value)
except:
WarningMsg("'%s' object has no attribute '%s'" % (str(p), name))
except:
self.__dict__[name] = value
return self
def calculate_freq(self):
""" Uses the scale, octave, and degree to calculate the frequency values to send to SuperCollider """
# If the scale is frequency only, just return the degree
if self.scale == Scale.freq:
try:
return list(self.event['degree'])
except:
return [self.event['degree']]
now = {}
for attr in ('degree', 'oct'):
now[attr] = self.event[attr]
try:
now[attr] = list(now[attr])
except:
now[attr] = [now[attr]]
size = max(len(now['oct']), len(now['degree']))
f = []
for i in range(size):
try:
midinum = midi(self.scale, modi(now['oct'], i),
modi(now['degree'], i), self.now('root'))
except:
WarningMsg(
"Invalid degree / octave arguments for frequency calculation, reset to default"
)
print now['degree'], modi(now['degree'], i)
raise
f.append(miditofreq(midinum))
return f
def whenmod(self, mod, n, cmd, *args, **kwargs):
""" Every n beats, do self.cmd(args) """
try:
# Make sure cmd is a method
attr = cmd.split(".")
if len(attr) == 1:
method = getattr(self, attr[0])
elif len(attr) == 2:
#sub_method = getattr(self.attr[attr[0]], attr[1])
sub_method = lambda *args, **kwargs: getattr(self.attr[attr[0]], attr[1]).__call__(*args, **kwargs)
method = lambda *args, **kwargs: self.attr.update({attr[0]: sub_method(*args, **kwargs)})
assert callable(method)
except:
WarningMsg("{} is not a valid method for type {}".format(cmd, self.__class__))
return self
# If the method call already exists, just update it
key = ('whenmod', cmd)
if key in self.repeat_events:
self.repeat_events[key].update(n, args, kwargs)
if not self.repeat_events[key].isScheduled():
self.repeat_events[key].schedule()
else:
call = WhenModMethodCall(self, method, mod, n, args, kwargs)
self.repeat_events[key] = call
call.schedule()
return self
def every(self, n, cmd, args=()):
""" Every n beats, do self.cmd(args) """
try:
# Make sure cmd is a method
method = getattr(self, cmd)
assert callable(method)
except:
WarningMsg("{} is not a valid method for type {}".format(
cmd, self.__class__))
return self
# If the method call already exists, just update it
if cmd in self.repeat_events:
self.repeat_events[cmd].update(n, args)
if not self.repeat_events[cmd].isScheduled():
self.repeat_events[cmd].schedule()
else:
call = MethodCall(self, cmd, n, args)
self.repeat_events[cmd] = call
call.schedule()
return self
def every(self, n, cmd, *args, **kwargs):
""" Every n beats, call a method (defined as a string) on the
object and use the args and kwargs. To call the method
every n-th beat of a timeframe, use the `cycle` keyword argument
to specify that timeframe.
```
# Call the shuffle method every 4 beats
p1.every(4, 'shuffle')
# Call the stutter method on the 5th beat of every 8 beat cycle
p1.every(5, 'stutter', 4, cycle=8)
```
"""
try:
# Make sure cmd is a method
attr = cmd.split(".")
if len(attr) == 1:
method = getattr(self, attr[0])
elif len(attr) == 2:
#sub_method = getattr(self.attr[attr[0]], attr[1])
sub_method = lambda *args, **kwargs: getattr(self.attr[attr[0]], attr[1]).__call__(*args, **kwargs)
method = lambda *args, **kwargs: self.attr.update({attr[0]: sub_method(*args, **kwargs)})
assert callable(method)
except:
WarningMsg("{} is not a valid method for type {}".format(cmd, self.__class__))
return self
# Collect the cycle length
cycle = kwargs.get("cycle", None)
kwargs = {key: value for key, value in kwargs.items() if key != "cycle"}
# If the method call already exists, just update it
# key = ('every', cmd)
key = cmd
if key in self.repeat_events:
self.repeat_events[key].update(n, cycle, args, kwargs)
if not self.repeat_events[key].isScheduled():
self.repeat_events[key].schedule()
else:
call = MethodCall(self, method, n, cycle, args, kwargs)
self.repeat_events[key] = call
call.schedule()
return self
def count(self, time=None, event_after=False):
""" Counts the number of events that will have taken place between 0 and `time`. If
`time` is not specified the function uses self.metro.now(). Setting `event_after`
to `True` will find the next event *after* `time`"""
n = 0
acc = 0
dur = 0
now = (time if time is not None else self.metro.now())
durations = self.rhythm()
total_dur = float(sum(durations))
if total_dur == 0:
WarningMsg("Player object has a total duration of 0. Set to 1")
durations = [1]
total_dur = 1
self.dur = 1
acc = now - (now % total_dur)
try:
n = int(len(durations) * (acc / total_dur))
except TypeError as e:
WarningMsg(e)
self.stop()
return 0, 0
if acc != now:
while True:
dur = float(modi(durations, n))
if acc + dur == now:
acc += dur
n += 1
break
elif acc + dur > now:
if event_after:
acc += dur
n += 1
break
else:
acc += dur
n += 1
# Store duration times
self.old_dur = self.attr['dur']
# Returns value for self.event_n and self.event_index
return n, acc
def osc_message(self, index=0, **kwargs):
""" Creates an OSC packet to play a SynthDef in SuperCollider,
use kwargs to force values in the packet, e.g. pan=1 will force ['pan', 1] """
message = []
fx_dict = {}
# Calculate frequency / buffer number
if self.synthdef != SamplePlayer:
degree = group_modi(kwargs.get("degree", self.event["degree"]),
index)
octave = group_modi(kwargs.get("oct", self.event["oct"]), index)
root = group_modi(kwargs.get("root", self.event["root"]), index)
freq = miditofreq(
midi(kwargs.get("scale", self.scale), octave, degree, root))
message = ['freq', freq]
else:
degree = group_modi(kwargs.get("degree", self.event['degree']),
index)
sample = group_modi(kwargs.get("sample", self.event["sample"]),
index)
buf = int(Samples[str(degree)].bufnum(sample))
message = ['buf', buf]
attributes = self.attr.copy()
# Go through the attr dictionary and add kwargs
for key in attributes:
try:
# Don't use fx keywords or foxdot keywords
if key not in FxList.kwargs() and key not in self.keywords:
group_value = kwargs.get(key, self.event[key])
val = group_modi(group_value, index)
## DEBUG
if isinstance(val, (Pattern, PGroup)):
print "In osc_message:", key, group_value, self.event[
key], val
# Special case modulation
if key == "sus":
val = val * self.metro.beat_dur() * group_modi(
kwargs.get('blur', self.event['blur']), index)
elif key == "amp":
val = val * group_modi(
kwargs.get('amplify', self.event['amplify']),
index)
message += [key, val]
except KeyError as e:
WarningMsg("KeyError in function 'osc_message'", key, e)
# See if any fx_attributes
for key in self.fx_attributes:
if key in attributes:
# All effects use sustain to release nodes
fx_dict[key] = []
# Look for any other attributes require e.g. room and verb
for sub_key in FxList[key].args:
if sub_key in self.event:
if sub_key in message:
i = message.index(sub_key) + 1
val = message[i]
else:
try:
val = group_modi(
kwargs.get(sub_key, self.event[sub_key]),
index)
if isinstance(val, Pattern):
print sub_key, val
except TypeError as e:
val = 0
except KeyError as e:
del fx_dict[key]
break
# Don't send fx with zero values, unless it is a timevar or playerkey i.e. has a "now" attr
if val == 0 and not hasattr(val, 'now'):
del fx_dict[key]
break
else:
fx_dict[key] += [sub_key, val]
return message, fx_dict
def get_event(self):
""" Returns a dictionary of attr -> now values """
# Get the current event
# self.event = {}
attributes = copy(self.attr)
for key in attributes:
# Eg. sp.sus returns the currently used value for sustain
value = self.event[key] = self.now(key)
# Make sure the object's dict uses PlayerKey instances
if key not in self.__dict__:
self.__dict__[key] = PlayerKey(value, parent=self)
elif not isinstance(self.__dict__[key], PlayerKey):
self.__dict__[key] = PlayerKey(value, parent=self)
else:
self.__dict__[key].update(value)
# Special case: sample player
if self.synthdef == SamplePlayer:
try:
event_dur = float(self.event['dur'])
event = self.event['degree'].now() if hasattr(
self.event['degree'], "now") else self.event['degree']
# Store a "char" variable
size = self.largest_attribute()
event_buf = list(range(size))
if isinstance(event, PlayGroup):
# Nest the Play Group
buf_list = [event]
else:
try:
buf_list = list(event)
except TypeError as e:
buf_list = [event]
# buf_list is our list of samples to play as characters
# event_buf is the list of buffer id's
##############
# TODO - Allow for different sample bank IDs in the buffer delay
self.buf_delay = []
#for i, bufchar in buf_list: # This should iter over largest event?
for i in range(size):
# Get the char / group from the buf_list
bufchar = group_modi(buf_list, i)
# If it is a group
if isinstance(bufchar, PlayGroup):
# Get the first character, then "delay" the rest
self.__dict__['char'].update(bufchar[0])
char = Samples[bufchar[0]]
# Get the buffer number to play for this sample bank (char)
buf_mod_index = int(group_modi(self.event['sample'],
i))
event_buf[i] = char.bufnum(buf_mod_index).bufnum
# Begin delay
delay = 0
for n, b in enumerate(bufchar[1:]):
# If it is a timevar / random play group, get the value
if hasattr(b, 'now'):
b = b.now()
# Get the sample bank / char
char = Samples[b]
# Find the appropriate sample in the bank
buf_mod_index = int(modi(self.event['sample'], i))
# Add the delay
delay += (bufchar[n].dur * event_dur)
# Add it to our delay list
self.buf_delay.append(
(char.bufnum(buf_mod_index), delay))
else:
# Get the char / bank
char = Samples[bufchar]
self.__dict__['char'].update(bufchar)
# Get the buffer number to play
buf_mod_index = int(modi(self.event['sample'], i))
event_buf[i] = char.bufnum(buf_mod_index).bufnum
self.event['buf'] = P(event_buf)
except TypeError as e:
WarningMsg("Sample player get_event", e, bufchar)
return self
def osc_message(self, index=0, **kwargs):
""" Creates an OSC packet to play a SynthDef in SuperCollider,
use kwargs to force values in the packet, e.g. pan=1 will force ['pan', 1] """
freq = float(group_modi(self.attr['freq'], index))
message = ['freq', freq]
fx_dict = {}
attributes = self.attr.copy()
# Go through the attr dictionary and add kwargs
for key in attributes:
try:
# Don't use fx keywords or foxdot keywords
if key not in FxList.kwargs() and key not in self.keywords:
val = group_modi(kwargs.get(key, self.event[key]), index)
# Special case modulation
if key == "sus":
val = val * self.metro.beat_dur() * modi(
kwargs.get('blur', self.event['blur']), index)
elif key == "amp":
val = val * modi(
kwargs.get('amplify', self.event['amplify']),
index)
message += [key, val]
except KeyError as e:
WarningMsg("KeyError in function 'osc_message'", key, e)
# See if any fx_attributes
for key in self.fx_attributes:
if key in attributes:
# All effects use sustain to release nodes
fx_dict[key] = []
# Look for any other attributes require e.g. room and verb
for sub_key in FxList[key].args:
if sub_key in self.event:
if sub_key in message:
i = message.index(sub_key) + 1
val = message[i]
else:
try:
val = group_modi(
kwargs.get(sub_key, self.event[sub_key]),
index)
except TypeError as e:
val = 0
except KeyError as e:
del fx_dict[key]
break
# Don't send fx with zero values, unless it is a timevar or playerkey i.e. has a "now" attr
if val == 0 and not hasattr(val, 'now'):
del fx_dict[key]
break
else:
fx_dict[key] += [sub_key, val]
return message, fx_dict
def sendPlayerMessage(self, synthdef, packet, effects, player=None):
# Create a bundle
bundle = OSCBundle()
# Create a group for the note
group_id = self.nextnodeID()
msg = OSCMessage("/g_new")
msg.append([group_id, 1, 1])
bundle.append(msg)
# Get the bus and SynthDef nodes
this_bus = self.nextbusID()
this_node = self.nextnodeID()
# Make sure messages release themselves after 8 * the duration at max (temp)
i = packet.index('sus') + 1
max_sus = float(packet[i] * 8)
# Synth
msg = OSCMessage("/s_new")
new_packet = []
for i in range(0, len(packet), 2):
try:
packet[i + 1] = float(packet[i + 1])
except TypeError as e:
WarningMsg(
"Could not convert '{}' argument '{}' to float. Set to 0".
format(packet[i], packet[i + 1]))
packet[i + 1] = 0.0
packet = [synthdef, this_node, 0, group_id, 'bus', this_bus] + packet
msg.append(packet)
bundle.append(msg)
# Effects
for fx in effects:
this_effect = effects[fx]
# effects should not have 0 values
nonzero = True
for i in range(0, len(this_effect), 2):
try:
val = float(this_effect[i + 1])
except TypeError as e:
WarningMsg(
"Could not convert '{}' argument '{}' to float. Set to 0"
.format(this_effect[i], this_effect[i + 1]))
val = 0
if val == 0:
nonzero = False
else:
this_effect[i + 1] = val
if nonzero:
# Get next node ID
this_node, last_node = self.nextnodeID(), this_node
msg = OSCMessage("/s_new")
packet = [
self.fx_names[fx], this_node, 1, group_id, 'bus', this_bus
] + this_effect
msg.append(packet)
bundle.append(msg)
# Finally, output sound through end node "makeSound"
msg = OSCMessage("/s_new")
this_node, last_node = self.nextnodeID(), this_node
packet = [
'makeSound', this_node, 1, group_id, 'bus', this_bus, 'sus',
max_sus
]
msg.append(packet)
bundle.append(msg)
return bundle
