Hi Ravi, I was saying the latest source, not latest release, it is in the SVN trunk (described at the same page), just in case you haven't ever used SVN please google around :) Regards, nanang 2008/6/17 Ravi Inder Singh <raviinder at gmail.com>: > Thanks nanang > Its doing same work :) , my mistake. > In PJSIP > http://www.pjsip.org/download.htm i could only get 0.8.0 Release, but as > you are saying in latest release, where is that newer release located. > Ravi Inder Singh > > Ravi Inder Singh > > On Mon, Jun 16, 2008 at 8:36 PM, Nanang Izzuddin <nanang at pjsip.org> wrote: >> >> Hi Ravi, >> >> Shouldn't it? As pjmedia rtcp calculates mean of jitter that way. The >> code of calculating mean seems to be different as the mean needs to be >> updated each time a packet come. >> >> Inputs or comments are greatly appreciated. >> >> Regards, >> nanang >> >> >> 2008/6/16 Ravi Inder Singh <raviinder at gmail.com>: >> > Hi nanang, >> > Thanks alot. >> > I dont have any issues in calculating Jitter values accoding to RFC >> > 3550 >> > A.8, >> > now only question arises of "common statistical definition", if we >> > see >> > according this then it should be like :- >> > ( sum of all jitter values ) / no of packets . >> > >> > Regards, >> > Ravi Inder Singh >> > >> > >> > On Mon, Jun 16, 2008 at 6:09 PM, Nanang Izzuddin <nanang at pjsip.org> >> > wrote: >> >> >> >> Hi Ravi, >> >> >> >> Not sure how Wireshark do the calculation, however, the standard >> >> reference of calculating jitter is RFC 3550 A.8. And mean, max, min,s >> >> std dev of jitter are calculated as in common statistical definition. >> >> That's the calculation method used in pjmedia rtcp. >> >> >> >> Regards, >> >> nanang >> >> >> >> >> >> 2008/6/16 Ravi Inder Singh <raviinder at gmail.com>: >> >> > Hi Nanang, >> >> > Thanks alot. >> >> > This seems to be different method from which wireshark is using , >> >> > wireshark uses (sum of all deltas) / no of packets. >> >> > >> >> > In this file aaa.cap attached , in Statitics ---> RTP--> show all >> >> > streams, >> >> > it shows means Jitter 18.09. >> >> > Your method defined above doesn't give same values . >> >> > >> >> > And in another file mean_calc.pcap ,from (172.26.1.101 --> >> >> > 172.26.1.104 >> >> > ) it >> >> > calculates mean with different method.(Mean value is 1.28 ). I dont >> >> > have >> >> > any >> >> > idea over that ? >> >> > >> >> > Does this wireshark uses some different calculation methodology for >> >> > calculating mean for different no of packets or I am missing >> >> > something >> >> > ? >> >> > >> >> > Coz all are using different method for calculation so i am confused >> >> > over >> >> > it >> >> > . >> >> > >> >> > >> >> > >> >> > Thanks & Regards, >> >> > Ravi >> >> > >> >> > On Mon, Jun 16, 2008 at 1:43 PM, Nanang Izzuddin <nanang at pjsip.org> >> >> > wrote: >> >> >> >> >> >> Hi Ravi, >> >> >> >> >> >> Yes, that is mean jitter, but it seems you are using 0.8.0, no >> >> >> standard deviation jitter calculation in that version. If you work >> >> >> with the latest SVN source, you will get both calculations: mean >> >> >> jitter & standard deviation, even some report blocks of RTCP XR are >> >> >> already implemented (stats summary is one of them). >> >> >> >> >> >> Cheers, >> >> >> nanang >> >> >> >> >> >> >> >> >> 2008/6/16 Ravi Inder Singh <raviinder at gmail.com>: >> >> >> > Hi Benny, >> >> >> > I need to calculate Mean Jitter & Deviation Jitter , as per RFC >> >> >> > 3611 >> >> >> > section 4.6 Stats Summary Block >> >> >> > Is this calculation below is mean jitter >> >> >> > sess->avg_jitter = >> >> >> > (jitter + sess->avg_jitter * sess->stat.rx.jitter.count) / >> >> >> > (sess->stat.rx.jitter.count + 1); >> >> >> > >> >> >> > And also Standard deviation jitter for the same. >> >> >> > >> >> >> > >> >> >> > -- >> >> >> > Thanks & Regards, >> >> >> > Ravi Inder Singh >> >> >> > _______________________________________________ >> >> >> > Visit our blog: http://blog.pjsip.org >> >> >> > >> >> >> > pjsip mailing list >> >> >> > pjsip at lists.pjsip.org >> >> >> > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >> >> >> > >> >> >> > >> >> >> >> >> >> _______________________________________________ >> >> >> Visit our blog: http://blog.pjsip.org >> >> >> >> >> >> pjsip mailing list >> >> >> pjsip at lists.pjsip.org >> >> >> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >> >> > >> >> > >> >> > >> >> > -- >> >> > Thanks & Regards, >> >> > Ravi Inder Singh >> >> > _______________________________________________ >> >> > Visit our blog: http://blog.pjsip.org >> >> > >> >> > pjsip mailing list >> >> > pjsip at lists.pjsip.org >> >> > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >> >> > >> >> > >> >> >> >> _______________________________________________ >> >> Visit our blog: http://blog.pjsip.org >> >> >> >> pjsip mailing list >> >> pjsip at lists.pjsip.org >> >> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >> > >> > >> > >> > -- >> > Thanks & Regards, >> > Ravi Inder Singh >> > _______________________________________________ >> > Visit our blog: http://blog.pjsip.org >> > >> > pjsip mailing list >> > pjsip at lists.pjsip.org >> > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >> > >> > >> >> _______________________________________________ >> Visit our blog: http://blog.pjsip.org >> >> pjsip mailing list >> pjsip at lists.pjsip.org >> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org > > > > -- > Thanks & Regards, > Ravi Inder Singh > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org > >
