3531a 如何做vo 和ao的音视频同步？

3531a 接收网络传输过来的音视流，如何让vo和ao做到音视频同步？
还有解码然后vo播放视频时 /dev/logmmp 一直打印这个
[code]<3>[    vo] [Func]:VouChnSdVdecSend [Line]:9097 [Info]:<3>[    vo] Channel(5,0) doesn't receive this frame!
<3>[    vo] [Func]:VouChnSdVdecSend [Line]:9097 [Info]:<3>[    vo] Channel(5,0) doesn't receive this frame!
<3>[    vo] [Func]:VouChnSdVdecSend [Line]:9097 [Info]:<3>[    vo] Channel(5,0) doesn't receive this frame!
<3>[    vo] [Func]:VouChnSdVdecSend [Line]:9097 [Info]:<3>[    vo] Channel(5,0) doesn't receive this frame!
<3>[    vo] [Func]:VouChnSdVdecSend [Line]:9097 [Info]:<3>[    vo] Channel(5,0) doesn't receive this frame!
<3>[    vo] [Func]:VouChnSdVdecSend [Line]:9097 [Info]:<3>[    vo] Channel(5,0) doesn't receive this frame![/code]
这个是什么意思？如果解决啊