voip.py 文件源码

def voip_play3(lst=None,**kargs):
    dsp,rd = os.popen2("sox -t .ul - -t ossdsp /dev/dsp")
    try:
        def play(pkt, dsp=dsp):
            if pkt and pkt.haslayer(UDP) and pkt.haslayer(Raw):
                dsp.write(pkt.getlayer(RTP).load)
        if lst is None:
            sniff(store=0, prn=play, **kargs)
        else:
            for p in lst:
                play(p)
    finally:
        try:
            dsp.close()
            rd.close()
        except:
            pass