<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:st1="urn:schemas-microsoft-com:office:smarttags" xmlns="http://www.w3.org/TR/REC-html40"> <head> <meta http-equiv=Content-Type content="text/html; charset=gb2312"> <meta name=Generator content="Microsoft Word 11 (filtered medium)"> <o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="PersonName"/>  <style>  </style> </head> <body lang=EN-US link=blue vlink=blue> <div class=Section1> Hello,<o:p></o:p> <o:p> </o:p> I am facing a similar problem. After some debugging, the exact problem I found was:<o:p></o:p> <o:p> </o:p> <ol style='margin-top:0in' start=1 type=1> <li class=MsoNormal style='color:navy;mso-list:l1 level1 lfo2'>The resynchronization of the Demux Clock using PCR is not happening.  Is there any problem with this part of the gstClock code? I am not sure if the add_clock_observation function works fine?<o:p></o:p></li> </ol> <o:p> </o:p> Could anyone throw some light on this?<o:p></o:p> <o:p> </o:p> Regards<o:p></o:p> Ankur Sharma<o:p></o:p> <o:p> </o:p> <o:p> </o:p> <o:p> </o:p> <div> <div class=MsoNormal align=center style='text-align:center'> <hr size=2 width="100%" align=center tabindex=-1> </div> From: Volter Yen [mailto:volter619@163.com] Sent: Thursday, September 25, 2008 1:27 PM To: <st1:PersonName w:st="on">gstreamer-devel@lists.sourceforge.net</st1:PersonName> Subject: [gst-devel] gstreamer dvb a/v sync problem<o:p></o:p> </div> <o:p> </o:p> <div> hi all, <o:p></o:p> </div> <div>    when  using gstreamer to play dvb signal, if I set the osssink's sync to true,  the pipelie give 'Unexpected discontinuity in audio timestamps of more than half a second(...) resyncing ' and stalled there....but it is said that 'sync=true ' should work , my gstreamer core is 0.10.14,fluendo-mpegdmuex-0.10.15, and by the way my pipelie is:<o:p></o:p> </div> <div>     gst-launch-0.10 dvbsrc modulation="QAM 64" trans-mode=8k bandwidth=8 freq=474000000 code-rate-lp=2/3 code-rate-hp=1/2 guard=8 hierarchy=NONE pids=630:512:128 ! flutsdemux es-pids=650:512 name=demuxer demuxer. ! queue ! mad ! audioconvert ! osssink<o:p></o:p> </div> <div>     and if i add 'sync=false' to ossink , it works but when play with video the audio is heavy lagged. <o:p></o:p> </div> <div>     <o:p></o:p> </div> <div>      I have referrenced to this link <a href="https://core.fluendo.com/gstreamer/trac/ticket/46">https://core.fluendo.com/gstreamer/trac/ticket/46</a>, it seems that these problem should have been resolved.<o:p></o:p> </div> <div>      anybody know the way out? thank you<o:p></o:p> </div> <div>  <o:p></o:p> </div> <div>      Volter<o:p></o:p> </div> <o:p></o:p>  <div class=MsoNormal align=center style='text-align:center'> <hr size=2 width="100%" align=center> </div> [��] �򷿲��ض��ߣ��Ϸ��ϴ�<a href="http://popme.163.com/link/003984_0923_8249.html">��"��ַ�"��Ϸ�չ��</a><o:p></o:p> </div> </body> </html> <table><tr><td bgcolor=#ffffff><pre>**************** CAUTION - Disclaimer ***************** This e-mail contains PRIVILEGED AND CONFIDENTIAL INFORMATION intended solely for the use of the addressee(s). If you are not the intended recipient, please notify the sender by e-mail and delete the original message. Further, you are not to copy, disclose, or distribute this e-mail or its contents to any other person and any such actions are unlawful. This e-mail may contain viruses. Infosys has taken every reasonable precaution to minimize this risk, but is not liable for any damage you may sustain as a result of any virus in this e-mail. You should carry out your own virus checks before opening the e-mail or attachment. Infosys reserves the right to monitor and review the content of all messages sent to or from this e-mail address. Messages sent to or from this e-mail address may be stored on the Infosys e-mail system. ***INFOSYS******** End of Disclaimer ********INFOSYS***</pre></td></tr></table>