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Runtime error
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import numpy as np
from . import io
def deco_abs(effect):
def stuff(*args, **kwargs):
if len(args)>0: audio = args[0]
else: audio = kwargs['audio']
if not isinstance(audio, np.ndarray): audio = io._load(audio)
audio_signs = np.sign(audio)
audio = np.abs(audio)
if len(args)>0: args[0] = audio
else: kwargs['audio'] = audio
audio = effect(*args, **kwargs)
audio *= audio_signs
return stuff
def volume(audio: np.ndarray, v: float):
return audio*v
def speed(audio: np.ndarray, s: float = 2, precision:int = 24):
if s%1 != 0 and (1/s)%1 != 0:
import fractions
s = fractions.Fraction(s).limit_denominator(precision)
audio = np.repeat(audio, s.denominator, axis=1)
return audio[:,::s.numerator]
elif s%1 == 0:
return audio[:,::int(s)]
else:
return np.repeat(audio, int(1/s), axis=1)
def channel(audio: np.ndarray, c:int = None):
if c is None:
audio[0], audio[1] = audio[1], audio[0]
return audio
elif c == 0:
audio[0] = 0
return audio
else:
audio[1] = 0
return audio
def downsample(audio: np.ndarray, d:int = 10):
return np.repeat(audio[:,::d], d, axis=1)
def gradient(audio: np.ndarray, number: int = 1):
for _ in range(number):
audio = np.gradient(audio, axis=1)
return audio
def bitcrush(audio: np.ndarray, b:float = 4):
if 1/b > 1:
return np.around(audio, decimals=int(1/b))
else:
return np.around(audio*b, decimals = 1)
def reverse(audio: np.ndarray):
return audio[:,::-1]
def normalize(audio: np.ndarray):
return audio*(1/np.max(np.abs(audio)))
def clip(audio: np.ndarray):
return np.clip(audio, -1, 1)
def to_sidechain(audio: np.ndarray):
audio = np.clip(np.abs(audio), -1, 1)
for channel in range(len(audio)):
audio[channel] = np.abs(1 - np.convolve(audio[channel], np.ones(shape=(1000)), mode = 'same'))
return audio
# some stuff is defined in main.py to reduce function calls for 1 line stuff
BM_EFFECTS = {
"v": "volume",
"s": speed,
"c": channel,
"d": "downsample",
"g": "gradient",
"b": bitcrush,
"r": "reverse",
} |