def _initialize_topological_sort(ugens):
ugens = list(ugens)
sort_bundles = collections.OrderedDict()
width_first_antecedents = []
for ugen in ugens:
sort_bundles[ugen] = UGenSortBundle(ugen, width_first_antecedents)
if isinstance(ugen, WidthFirstUGen):
width_first_antecedents.append(ugen)
for ugen in ugens:
sort_bundle = sort_bundles[ugen]
sort_bundle._initialize_topological_sort(sort_bundles)
sort_bundle.descendants[:] = sorted(
sort_bundles[ugen].descendants,
key=lambda x: ugens.index(ugen))
return sort_bundles
def _cleanup_pv_chains(ugens):
import supriya.ugens
input_mapping = SynthDef._build_input_mapping(ugens)
for antecedent, descendants in input_mapping.items():
if len(descendants) == 1:
continue
for descendant, input_index in descendants[:-1]:
fft_size = antecedent.fft_size
new_buffer = supriya.ugens.LocalBuf(fft_size)
pv_copy = supriya.ugens.PV_Copy(antecedent, new_buffer)
inputs = list(descendant._inputs)
inputs[input_index] = pv_copy[0]
descendant._inputs = tuple(inputs)
index = ugens.index(descendant)
ugens[index:index] = [fft_size, new_buffer, pv_copy]
return ugens
def _initialize_topological_sort(ugens):
import supriya.synthdefs
import supriya.ugens
ugens = list(ugens)
sort_bundles = collections.OrderedDict()
width_first_antecedents = []
for ugen in ugens:
sort_bundles[ugen] = supriya.synthdefs.UGenSortBundle(
ugen, width_first_antecedents
)
if isinstance(ugen, supriya.ugens.WidthFirstUGen):
width_first_antecedents.append(ugen)
for ugen in ugens:
sort_bundle = sort_bundles[ugen]
sort_bundle._initialize_topological_sort(sort_bundles)
sort_bundle.descendants[:] = sorted(
sort_bundles[ugen].descendants, key=lambda x: ugens.index(ugen)
)
return sort_bundles
def _cleanup_pv_chains(ugens):
import supriya.ugens
input_mapping = SynthDef._build_input_mapping(ugens)
for antecedent, descendants in input_mapping.items():
if len(descendants) == 1:
continue
for descendant, input_index in descendants[:-1]:
fft_size = antecedent.fft_size
new_buffer = supriya.ugens.LocalBuf(fft_size)
pv_copy = supriya.ugens.PV_Copy(antecedent, new_buffer)
inputs = list(descendant._inputs)
inputs[input_index] = pv_copy[0]
descendant._inputs = tuple(inputs)
index = ugens.index(descendant)
replacement = []
if isinstance(fft_size, supriya.synthdefs.UGenMethodMixin):
replacement.append(fft_size)
replacement.extend([new_buffer, pv_copy])
ugens[index:index] = replacement
return ugens
def _cleanup_pv_chains(ugens):
import supriya.ugens
input_mapping = SynthDef._build_input_mapping(ugens)
for antecedent, descendants in input_mapping.items():
if len(descendants) == 1:
continue
for descendant, input_index in descendants[:-1]:
fft_size = antecedent.fft_size
new_buffer = supriya.ugens.LocalBuf(fft_size)
pv_copy = supriya.ugens.PV_Copy(antecedent, new_buffer)
inputs = list(descendant._inputs)
inputs[input_index] = pv_copy[0]
descendant._inputs = tuple(inputs)
index = ugens.index(descendant)
replacement = []
if isinstance(fft_size, supriya.synthdefs.UGenMethodMixin):
replacement.append(fft_size)
replacement.extend([new_buffer, pv_copy])
ugens[index:index] = replacement
return ugens