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</o:shapelayout></xml><![endif]--></head><body lang=ZH-CN link="#0563C1" vlink="#954F72" style='text-justify-trim:punctuation'><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hi folks,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I got a problem while synchronizing two computers¡¯ playing.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>I have two computers of the same hardware and software, and both of them are sync with a NTP server in the same LAN. Then I wrote a libav program running on both of them to play the same media file (for example, test.mov) at the same beginning time(for example, 13:10:05). Internally, a timer is set up to check the timeout with an interval of 1 second.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>But unfortunately I found out that the pictures are the same at the very beginning, but gradually, the pictures start to differ greatly as time went by. It¡¯s obviously that one plays fast and the other plays pretty slow.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>So how to make the two computers play media files with better synchronization?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Thanks a million!<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Joy Woo<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>11/11/12<o:p></o:p></span></p></div></body></html>