Question time of arrival

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Question time of arrival

by AlexCord :: Rate this Message:

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I would like to take out the delays for every packet sent, _considering
the presence of jitterbuffer._
My reasoning is the following:

1-Locating the "R_i" time of arrival in the code OpalVoIP.

2- Saving the delay "D_i" values for every packet (D_i = R_i -
RTPtimestamp_i) in a file .csv

My considerations:
1-Studying the file rtp.cxx ,in the function
"RTP_Session::Internal_OnReceiveData(RTP_DataFrame & frame)" I guess I
have found the possible value "R_i" ("PTimeInterval tick =
PTimer::Tick();", line 962).
_Please, let's me know if my intuition is right.

_2- Supposing the my intuition is right, I'm in question about the
meaning of "R_i" value.
I'm not able to understand if "R_i" represent the time of arrival
before or after jitterbuffer?

Thanks,
Alessandro
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Re: Question time of arrival

by Eugen Dedu :: Rate this Message:

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alex wrote:

> I would like to take out the delays for every packet sent, _considering
> the presence of jitterbuffer._
> My reasoning is the following:
>
> 1-Locating the "R_i" time of arrival in the code OpalVoIP.
>
> 2- Saving the delay "D_i" values for every packet (D_i = R_i -
> RTPtimestamp_i) in a file .csv
>
> My considerations:
> 1-Studying the file rtp.cxx ,in the function
> "RTP_Session::Internal_OnReceiveData(RTP_DataFrame & frame)" I guess I
> have found the possible value "R_i" ("PTimeInterval tick =
> PTimer::Tick();", line 962).
> _Please, let's me know if my intuition is right.
>
> _2- Supposing the my intuition is right, I'm in question about the
> meaning of "R_i" value.
> I'm not able to understand if "R_i" represent the time of arrival
> before or after jitterbuffer?

ptlib and opal libraries are developed by another team, please post the
same questions to
opalvoip-user <opalvoip-user@...>

--
Eugen
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