alarm.py 文件源码

def run(self):
        # Open an audio segment
        sound = AudioSegment.from_file(self.filepath)
        player = pyaudio.PyAudio()

        stream = player.open(format=player.get_format_from_width(sound.sample_width),
                             channels=sound.channels,
                             rate=sound.frame_rate,
                             output=True)

        # PLAYBACK LOOP
        start = 0
        length = sound.duration_seconds
        volume = 100.0
        playchunk = sound[start*1000.0:(start+length)*1000.0] - (60 - (60 * (volume/100.0)))
        millisecondchunk = 50 / 1000.0

        while self.loop :
            self.time = start
            for chunks in make_chunks(playchunk, millisecondchunk*1000):
                self.time += millisecondchunk
                stream.write(chunks._data)
                if not self.loop:
                    break
                if self.time >= start+length:
                    break

        stream.close()
        player.terminate()