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Re: [Linphone-developers] Error in quality calculation?

From: Carriero Stefano I . MSCE_T_H14 . 1401
Subject: Re: [Linphone-developers] Error in quality calculation?
Date: Thu, 12 Jan 2017 21:29:52 +0000

I’m sorry, my bad. The variable loss_rate is not used twice. It is once loss_rate and once late_rate.

Next time I should clean my glasses first.



From: Carriero Stefano I.MSCE_T_H14.1401
Sent: Donnerstag, 12. Januar 2017 22:20
To: 'address@hidden' <address@hidden>
Subject: Error in quality calculation?


Dear developers,


Today I went through the source code of Linphone to figure out how the quality rating is done.

By doing so, I came across the following lines in the file “linphone\mediastreamer2\src\voip\qualityindicator.c”:


static float compute_rating(float loss_rate, float inter_jitter, float late_rate, float rt_prop){

     return loss_rating(loss_rate)*inter_jitter_rating(inter_jitter)*loss_rating(late_rate)*rt_prop_rating(rt_prop);




Is it intentional that the variable loss_rate is used twice? I assume it’s a bug, but you never know…


Best regards


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