234 lines
8.3 KiB
Python
234 lines
8.3 KiB
Python
import math
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import numpy as np
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import os
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import time
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import wave
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from typing import Dict, Optional, Tuple
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from cereal import car, messaging
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from openpilot.common.basedir import BASEDIR
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from openpilot.common.filter_simple import FirstOrderFilter
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from openpilot.common.params import Params
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from openpilot.common.realtime import Ratekeeper
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from openpilot.common.retry import retry
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from openpilot.common.swaglog import cloudlog
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from openpilot.system import micd
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SAMPLE_RATE = 48000
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SAMPLE_BUFFER = 4096 # (approx 100ms)
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MAX_VOLUME = 1.0
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MIN_VOLUME = 0.1
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CONTROLS_TIMEOUT = 5 # 5 seconds
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FILTER_DT = 1. / (micd.SAMPLE_RATE / micd.FFT_SAMPLES)
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AMBIENT_DB = 30 # DB where MIN_VOLUME is applied
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DB_SCALE = 30 # AMBIENT_DB + DB_SCALE is where MAX_VOLUME is applied
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AudibleAlert = car.CarControl.HUDControl.AudibleAlert
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sound_list: Dict[int, Tuple[str, Optional[int], float]] = {
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# AudibleAlert, file name, play count (none for infinite)
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AudibleAlert.engage: ("engage.wav", 1, MAX_VOLUME),
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AudibleAlert.disengage: ("disengage.wav", 1, MAX_VOLUME),
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AudibleAlert.refuse: ("refuse.wav", 1, MAX_VOLUME),
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AudibleAlert.prompt: ("prompt.wav", 1, MAX_VOLUME),
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AudibleAlert.promptRepeat: ("prompt.wav", None, MAX_VOLUME),
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AudibleAlert.promptDistracted: ("prompt_distracted.wav", None, MAX_VOLUME),
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AudibleAlert.warningSoft: ("warning_soft.wav", None, MAX_VOLUME),
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AudibleAlert.warningImmediate: ("warning_immediate.wav", None, MAX_VOLUME),
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# Random Events
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AudibleAlert.angry: ("angry.wav", 1, MAX_VOLUME),
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AudibleAlert.fart: ("fart.wav", 1, MAX_VOLUME),
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AudibleAlert.firefox: ("firefox.wav", 1, MAX_VOLUME),
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AudibleAlert.noice: ("noice.wav", 1, MAX_VOLUME),
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}
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def check_controls_timeout_alert(sm):
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controls_missing = time.monotonic() - sm.recv_time['controlsState']
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if controls_missing > CONTROLS_TIMEOUT:
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if sm['controlsState'].enabled and (controls_missing - CONTROLS_TIMEOUT) < 10:
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return True
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return False
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class Soundd:
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def __init__(self):
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# FrogPilot variables
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self.params = Params()
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self.params_memory = Params("/dev/shm/params")
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self.random_events_directory = BASEDIR + "/selfdrive/frogpilot/assets/random_events/sounds/"
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self.update_frogpilot_params()
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self.load_sounds()
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self.current_alert = AudibleAlert.none
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self.current_volume = MIN_VOLUME
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self.current_sound_frame = 0
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self.controls_timeout_alert = False
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self.spl_filter_weighted = FirstOrderFilter(0, 2.5, FILTER_DT, initialized=False)
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def load_sounds(self):
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self.loaded_sounds: Dict[int, np.ndarray] = {}
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# Load all sounds
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for sound in sound_list:
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filename, play_count, volume = sound_list[sound]
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if os.path.exists(os.path.join(self.random_events_directory, filename)):
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wavefile = wave.open(self.random_events_directory + filename, 'r')
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else:
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wavefile = wave.open(self.sound_directory + filename, 'r')
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assert wavefile.getnchannels() == 1
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assert wavefile.getsampwidth() == 2
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assert wavefile.getframerate() == SAMPLE_RATE
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length = wavefile.getnframes()
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self.loaded_sounds[sound] = np.frombuffer(wavefile.readframes(length), dtype=np.int16).astype(np.float32) / (2**16/2)
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def get_sound_data(self, frames): # get "frames" worth of data from the current alert sound, looping when required
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ret = np.zeros(frames, dtype=np.float32)
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if self.current_alert != AudibleAlert.none:
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num_loops = sound_list[self.current_alert][1]
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sound_data = self.loaded_sounds[self.current_alert]
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written_frames = 0
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current_sound_frame = self.current_sound_frame % len(sound_data)
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loops = self.current_sound_frame // len(sound_data)
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while written_frames < frames and (num_loops is None or loops < num_loops):
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available_frames = sound_data.shape[0] - current_sound_frame
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frames_to_write = min(available_frames, frames - written_frames)
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ret[written_frames:written_frames+frames_to_write] = sound_data[current_sound_frame:current_sound_frame+frames_to_write]
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written_frames += frames_to_write
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self.current_sound_frame += frames_to_write
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return ret * self.current_volume
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def callback(self, data_out: np.ndarray, frames: int, time, status) -> None:
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if status:
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cloudlog.warning(f"soundd stream over/underflow: {status}")
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data_out[:frames, 0] = self.get_sound_data(frames)
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def update_alert(self, new_alert):
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current_alert_played_once = self.current_alert == AudibleAlert.none or self.current_sound_frame > len(self.loaded_sounds[self.current_alert])
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if self.current_alert != new_alert and (new_alert != AudibleAlert.none or current_alert_played_once):
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self.current_alert = new_alert
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self.current_sound_frame = 0
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def get_audible_alert(self, sm):
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if sm.updated['controlsState']:
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new_alert = sm['controlsState'].alertSound.raw
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self.update_alert(new_alert)
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elif check_controls_timeout_alert(sm):
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self.update_alert(AudibleAlert.warningImmediate)
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self.controls_timeout_alert = True
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elif self.controls_timeout_alert:
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self.update_alert(AudibleAlert.none)
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self.controls_timeout_alert = False
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def calculate_volume(self, weighted_db):
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volume = ((weighted_db - AMBIENT_DB) / DB_SCALE) * (MAX_VOLUME - MIN_VOLUME) + MIN_VOLUME
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return math.pow(10, (np.clip(volume, MIN_VOLUME, MAX_VOLUME) - 1))
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@retry(attempts=7, delay=3)
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def get_stream(self, sd):
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# reload sounddevice to reinitialize portaudio
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sd._terminate()
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sd._initialize()
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return sd.OutputStream(channels=1, samplerate=SAMPLE_RATE, callback=self.callback, blocksize=SAMPLE_BUFFER)
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def soundd_thread(self):
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# sounddevice must be imported after forking processes
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import sounddevice as sd
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sm = messaging.SubMaster(['controlsState', 'microphone'])
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with self.get_stream(sd) as stream:
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rk = Ratekeeper(20)
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cloudlog.info(f"soundd stream started: {stream.samplerate=} {stream.channels=} {stream.dtype=} {stream.device=}, {stream.blocksize=}")
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while True:
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sm.update(0)
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if sm.updated['microphone'] and self.current_alert == AudibleAlert.none and not self.alert_volume_control: # only update volume filter when not playing alert
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self.spl_filter_weighted.update(sm["microphone"].soundPressureWeightedDb)
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self.current_volume = self.calculate_volume(float(self.spl_filter_weighted.x))
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elif self.alert_volume_control and self.current_alert in self.volume_map:
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self.current_volume = self.volume_map[self.current_alert] / 100.0
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# Increase the volume for Random Events
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elif self.current_alert in self.random_events_map:
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self.current_volume = self.random_events_map[self.current_alert]
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self.get_audible_alert(sm)
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rk.keep_time()
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assert stream.active
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# Update FrogPilot parameters
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if self.params_memory.get_bool("FrogPilotTogglesUpdated"):
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self.update_frogpilot_params()
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def update_frogpilot_params(self):
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self.random_events_map = {
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AudibleAlert.angry: MAX_VOLUME,
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AudibleAlert.fart: MAX_VOLUME,
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AudibleAlert.firefox: MAX_VOLUME,
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AudibleAlert.noice: MAX_VOLUME,
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}
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self.alert_volume_control = self.params.get_bool("AlertVolumeControl")
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self.volume_map = {
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AudibleAlert.engage: self.params.get_int("EngageVolume"),
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AudibleAlert.disengage: self.params.get_int("DisengageVolume"),
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AudibleAlert.refuse: self.params.get_int("RefuseVolume"),
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AudibleAlert.prompt: self.params.get_int("PromptVolume"),
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AudibleAlert.promptRepeat: self.params.get_int("PromptVolume"),
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AudibleAlert.promptDistracted: self.params.get_int("PromptDistractedVolume"),
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AudibleAlert.warningSoft: self.params.get_int("WarningSoftVolume"),
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AudibleAlert.warningImmediate: self.params.get_int("WarningImmediateVolume")
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}
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custom_theme = self.params.get_bool("CustomTheme")
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custom_sounds = self.params.get_int("CustomSounds") if custom_theme else 0
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theme_configuration = {
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0: "stock",
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1: "frog_theme",
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2: "tesla_theme",
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3: "stalin_theme"
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}
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theme_name = theme_configuration.get(custom_sounds, "stock")
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self.sound_directory = BASEDIR + ("/selfdrive/frogpilot/assets/custom_themes/" + theme_name + "/sounds/" if custom_sounds else "/selfdrive/assets/sounds/")
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self.load_sounds()
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def main():
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s = Soundd()
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s.soundd_thread()
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if __name__ == "__main__":
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main()
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