soundplayer.py 文件源码

def __init__(self, audio_source, master=None):
        self.lowest_level = -50
        super().__init__(master)
        self.master.title("Levels")

        self.pbvar_left = tk.IntVar()
        self.pbvar_right = tk.IntVar()
        pbstyle = ttk.Style()
        pbstyle.theme_use("classic")
        pbstyle.configure("green.Vertical.TProgressbar", troughcolor="gray", background="light green")
        pbstyle.configure("yellow.Vertical.TProgressbar", troughcolor="gray", background="yellow")
        pbstyle.configure("red.Vertical.TProgressbar", troughcolor="gray", background="orange")

        frame = tk.LabelFrame(self, text="Left")
        frame.pack(side=tk.LEFT)
        tk.Label(frame, text="dB").pack()
        self.pb_left = ttk.Progressbar(frame, orient=tk.VERTICAL, length=300, maximum=-self.lowest_level, variable=self.pbvar_left, mode='determinate', style='yellow.Vertical.TProgressbar')
        self.pb_left.pack()

        frame = tk.LabelFrame(self, text="Right")
        frame.pack(side=tk.LEFT)
        tk.Label(frame, text="dB").pack()
        self.pb_right = ttk.Progressbar(frame, orient=tk.VERTICAL, length=300, maximum=-self.lowest_level, variable=self.pbvar_right, mode='determinate', style='yellow.Vertical.TProgressbar')
        self.pb_right.pack()

        frame = tk.LabelFrame(self, text="Info")
        self.info = tk.Label(frame, text="", justify=tk.LEFT)
        frame.pack()
        self.info.pack(side=tk.TOP)
        self.pack()
        self.update_rate = 15   # lower this if you hear the sound crackle!
        self.open_audio_file(audio_source)
        self.after_idle(self.update)