Re: [OpenSIPStack] How to obtain a name of the current audio codec or PayLoadType?

[<jo...@op...>]

Check out RTP_UDP::GetSendPayloadType() and 
RTP_UDP::GetReceivePayloadType()

H.Kropf wrote:
> Hi, Joegen
>
> How to obtain a name of the current audio codec or PayLoadType?
>
> I need it for calculation of ICPIF ("The Calculated Planning Impairment 
> Factor")
>
> I get other necessary parametres (packetsLost, packetsTooLate  etc.) in 
> OpalOSSConnection::OnRTPStatistics()
>
>
> "Cisco IP Service Level Agreements — Analyzing VoIP Service Levels Using 
> the UDP Jitter Operation"
>
> Lost = (packetsLost + packetsTooLate + packetsOutOfOrder) *100.0 / 
> packetsReceived
>
> if (Codec == G729) || (Codec == ILBC) {
>     if (Lost< 2.0)
>       then (Ie = 0)
>     else if  (Lost< 4.0)
>       then (Ie = 20)
>     else if  (Lost< 6.0)
>       then (Ie = 30)
>     else if  (Lost< 8.0)
>       then (Ie = 38)
>     else
>       Ie = 40
> } else{
>     if (Lost< 2.0)
>       then (Ie = 0)
>     else if  (Lost< 4.0)
>       then (Ie = 12)
>     else if  (Lost< 6.0)
>       then (Ie = 22)
>     else if  (Lost< 8.0)
>       then (Ie = 28)
>     else
>       Ie = 32
> }
>
> if (averageReceiveTime < 50)
>    then (Idd = 0)
> else if (averageReceiveTime < 100)
>    then (Idd = 1)
> else if (averageReceiveTime < 150)
>    then (Idd = 2)
> else if (averageReceiveTime < 200)
>    then (Idd = 4)
> else
>    Idd = 7
>
> ICPIF  = Idd + Ie
>
> if (ICPIF < 5 )
> then print ("Very good")
> else if (ICPIF < 10 )
> then print ("Good")
> else if (ICPIF < 20 )
> then print ("Adequate")
> else if (ICPIF < 30 )
> then print ("Limiting case")
> else if (ICPIF < 45 )
> then print ("Exceptional limiting case")
> else print ("Change of network operator")
>
> print ICPIF
>
>
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