class CAudioRender(QObject):
    def __init__(self, parent=None):
        super().__init__(parent=parent)
        self.m_audio_output = 0
        self.m_audio_fmt = 0
        self.m_io_device = 0

    def open_audio_render(self, channels, bits, samples):
        self.m_audio_fmt = QAudioFormat()
        self.m_audio_fmt.setChannelCount(2)
        self.m_audio_fmt.setSampleRate(48000)
        self.m_audio_fmt.setSampleSize(16)
        self.m_audio_fmt.setCodec("audio/pcm")
        self.m_audio_fmt.setByteOrder(QAudioFormat.LittleEndian)
        self.m_audio_fmt.setSampleType(QAudioFormat.UnSignedInt)
        self.m_audio_output = QAudioOutput(self.m_audio_fmt, self)
        self.m_io_device = self.m_audio_output.start()