def __init__(self, audio_library):
self.sounds = {}
folder = 'sounds'
language = 'srb'
path = os.path.join(folder, language)
for root, dirs, files in os.walk(path):
if len(dirs) == 0:
values = os.path.split(root)
letter = values[0][-1]
t = values[1]
for file in files:
filepath = os.path.join(root, file)
if file[-3:] != 'wav':
os.remove(filepath)
continue
if letter not in self.sounds:
self.sounds[letter] = {}
if t not in self.sounds[letter]:
self.sounds[letter][t] = []
if audio_library == PYDUB:
sound_object = AudioSegment.from_file(filepath,
format="wav")
elif audio_library == SIMPLEAUDIO:
sound_object = WaveObject(open(filepath, 'rb').read(),
num_channels=1,
bytes_per_sample=2,
sample_rate=44100)
else:
raise Exception('audio_library not configured')
self.sounds[letter][t].append(sound_object)
def _make_wave_object(self, pulses: int):
"""
Generates a simpleaudio object for the number of pulses asked. Objects are cached for
performance reasons.
:param pulses: number of pulses to send
"""
if pulses not in self.waveforms:
from simpleaudio import WaveObject
amp = self._amp()
data = b''.join(
struct.pack('h', int(amp * y))
for x in zip(*self.make_pulse(pulses)) for y in x)
self.waveforms[pulses] = WaveObject(data, 2, self.CHANNEL_WIDTH,
self.RATE)
return self.waveforms[pulses]