Thank you, the problem is solved. Just chang VLC's Preferences->Interface(all)->Input/Codecs->Demuxers->RTP/RTSP->Caching value (ms) I reduce it to 80ms. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.live555.com/pipermail/live-devel/attachments/20090326/746639eb/attachment-0001.html>