sound.py 文件源码

def __init__(self, source, start=0, end=None):
        if type(source) is bytes:
            in_wav = wave.open(io.BytesIO(source))
        else:
            in_wav = wave.open(source, "rb")
        self.framerate = in_wav.getframerate()
        self.channels = in_wav.getnchannels()
        self.samplewidth = in_wav.getsampwidth()
        in_wav.setpos(int(start * self.framerate))
        if end is None:
            end = (in_wav.getnframes() - start / self.framerate)
        self.raw = in_wav.readframes(int((end - start) * self.framerate))
        in_wav.close()