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Re: [Linphone-developers] Bursty rtp traffic


From: Petr Kuba
Subject: Re: [Linphone-developers] Bursty rtp traffic
Date: Tue, 19 May 2009 17:01:54 +0200
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.2; en-US; rv:1.8.1.2pre) Gecko/20070111 SeaMonkey/1.1

Hello,

I guess that this is caused by Windows timer which is not enough precise to send packets each 20ms. E.g. if you try to sleep() for times smaller than 10ms the result is very poor - sometimes it waits for too long time and sometimes it does not wait at all. Therefore it is typically necessary to use longer delays.

Regards,
Petr


Vadim Lebedev wrote:
Hello,

We're trying to use mediastreamer2 in QuteCom and it mostly works well,
but sometimes
we're seeing strange behaviour:

When using G711 codec, adaptive jitter control, 20 msec packet size...
I see bursty RTP output:  Each 60 ms there is burst of 3 rtp packets.
We're using portaudio and it's on windows/xp

Any ideas?

Thanks
Vadim


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   Petr Kuba, Project Manager
   OptimSys, s.r.o
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   Tel: +420 541 143 065
   Fax: +420 541 143 066
   http://www.optimsys.cz




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