129 lines
3.7 KiB
Python
129 lines
3.7 KiB
Python
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import os
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import threading
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import time
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import sounddevice as sd
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import numpy as np
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def beep(duration=700, freq=640):
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# 生成蜂鸣声的时间序列
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t = np.linspace(0, duration / 1000, int(44100 * duration / 1000), False)
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signal = 0.5 * np.sin(2 * np.pi * freq * t)
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# 播放蜂鸣声
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sd.play(signal, samplerate=44100)
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sd.wait()
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class SpeakServer:
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thread = None # background thread that reads frames from camera
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engine = None
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__flag = threading.Event() # 用于暂停线程的标识
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__flag.clear() # 设置为True
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__running = threading.Event() # 用于停止线程的标识
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__running.set() # 将running设置为True
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__had_data = threading.Event()
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__had_data.clear()
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speak_list = []
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is_pause = True
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BASE_SPEED = 50
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MAX_SPEED = 100
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speed = BASE_SPEED
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speed_set = BASE_SPEED
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speed_now = BASE_SPEED
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volume = 100
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pitch = 10
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def __new__(cls):
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if not cls.thread:
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# start background frame thread
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cls.thread = threading.Thread(target=cls._thread, daemon=True)
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cls.thread.start()
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return super().__new__(cls)
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def start(self):
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pass
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@staticmethod
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def add_speak(data):
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SpeakServer.speak_list.append(data)
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SpeakServer.__had_data.set()
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@classmethod
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def check_list(cls):
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if not cls.speak_list:
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return True
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else:
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return False
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@classmethod
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def wait_4_speak(cls):
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while not cls.check_list():
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time.sleep(0.1)
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@staticmethod
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def speed_control(rate):
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SpeakServer.speed = rate
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@staticmethod
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def set_temp_speed(rate):
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try:
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SpeakServer.speed = rate
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SpeakServer.speed_now = rate
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except:
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return
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@staticmethod
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def volume_control(volume):
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SpeakServer.volume = volume
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@classmethod
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def _thread(cls):
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while SpeakServer.__running.is_set():
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SpeakServer.__had_data.wait()
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while cls.speak_list:
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try:
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temp_speak = cls.speak_list[0]
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# 语速控制
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if len(cls.speak_list) >= 2:
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speak_len = len("".join([str(s) for s in cls.speak_list]))
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if speak_len > 10:
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speak_speed = cls.BASE_SPEED + min(speak_len, 30) / 30 * (cls.MAX_SPEED - cls.BASE_SPEED)
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cls.set_temp_speed(speak_speed)
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else:
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if cls.speed_now != cls.speed_set:
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cls.speed_control(cls.speed_set)
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else:
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cls.speed_control(cls.speed_set)
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os.popen(f"ekho "
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f"-v Mandarin "
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f"-p {SpeakServer.pitch} "
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f"-a {SpeakServer.volume} "
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f"-s {SpeakServer.speed} "
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f"{temp_speak}").read()
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cls.speak_list.pop(0)
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except Exception as e:
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print('speak machine error:', e)
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time.sleep(0.1)
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SpeakServer.__had_data.clear()
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SpeakServer.thread = None
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@classmethod
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def wait(cls):
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cls.__flag.wait()
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@classmethod
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def pause(cls):
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if not cls.is_pause:
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cls.__flag.clear() # 设置为False, 让线程阻塞
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cls.is_pause = True
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@classmethod
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def resume(cls):
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if cls.is_pause:
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cls.__flag.set() # 设置为True, 让线程停止阻塞
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cls.is_pause = False
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@classmethod
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def stop(cls):
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return
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