def estimate_rhythm(self, melody: old.Melody) -> tuple:
melody.dur = rhy.Compound(melody.dur).stretch(self.stretch_factor)
melody.delay = rhy.Compound(melody.delay).stretch(self.stretch_factor)
melody = quantizise.quantisize_rhythm(
melody, self.n_divisions, self.min_tone_size, self.min_rest_size
)
melody.dur = rhy.Compound(melody.dur).stretch(self.post_stretch_factor)
melody.delay = rhy.Compound(melody.delay).stretch(self.post_stretch_factor)
return melody
def __init__(
self,
voice: old.Melody,
new_sample_positions: tuple,
sample_per_change: tuple,
make_envelope: bool,
average_volume: float,
min_volume: float,
max_volume: float,
duration: float,
tempo_factor: float,
shadow_time: float,
crossfade_duration: float = 0.25,
anticipation_time: float = 0,
overlaying_time: float = 0,
attack_duration: infit.InfIt = infit.Value(0.5),
release_duration: infit.InfIt = infit.Value(0.5),
random_seed: int = 100,
) -> None:
assert max_volume > min_volume
assert min_volume > average_volume
if not isinstance(attack_duration, infit.InfIt):
attack_duration = infit.Value(attack_duration)
if not isinstance(release_duration, infit.InfIt):
release_duration = infit.Value(release_duration)
import random as random_module
random_module.seed(random_seed)
self.__random_module = random_module
voice.delay = rhy.Compound(voice.delay).stretch(tempo_factor)
voice.dur = rhy.Compound(voice.dur).stretch(tempo_factor)
self.__sndinfo_per_sample = {
sample: pyo.sndinfo(sample) for sample in set(sample_per_change)
}
self.__n_channels_per_sample = {
sample: self.__sndinfo_per_sample[sample][3]
for sample in self.__sndinfo_per_sample
}
self.__duration_per_sample = {
sample: self.__sndinfo_per_sample[sample][1]
for sample in self.__sndinfo_per_sample
}
self.__new_sample_positions = new_sample_positions
self.__sample_per_change = sample_per_change
self.__duration = duration
self.__envelope = self.mk_envelope(
voice,
shadow_time,
duration,
average_volume,
min_volume,
max_volume,
make_envelope,
anticipation_time,
overlaying_time,
)
self.__anticipation_time = anticipation_time
self.__overlaying_time = overlaying_time
self.__tempo_factor = tempo_factor
self.__attack_duration = attack_duration
self.__release_duration = release_duration
self.__crossfade_duration = crossfade_duration
self.__halved_crossfade_duration = crossfade_duration * 0.5