Implementation Status of the RFC especially media rate control

[j-licht]

Hi,

if I compare the RFC8298 media rate control algorithm with the implementation, I didn't find features like "Force a slight reduction in bitrate if RTP queue builds up". And I didn't find the dependency through the rate_transmit and rate_ack.

If this is already implemented, can you please point me to the code. Thanks.

[IngJohEricsson]

Hi

You are indeed correct in that the code that scales back the target rate in case the RTP queue builds up, described in RFC8298, is not in place in the code. The reason is that I realize that this feature sometimes did more harm than gain.

There is however some adjustment based on the RTP queue build up

https://github.com/EricssonResearch/scream/blob/master/code/ScreamTx.cpp#L1957 https://github.com/EricssonResearch/scream/blob/master/code/ScreamTx.cpp#L1957

The rate_transmit and rate_ack is combined in

https://github.com/EricssonResearch/scream/blob/master/code/ScreamTx.cpp#L1787 https://github.com/EricssonResearch/scream/blob/master/code/ScreamTx.cpp#L1787

BR

/Ingemar

From: j-licht [email protected] Sent: den 24 juni 2019 10:36 To: EricssonResearch/scream [email protected] Cc: Subscribed [email protected] Subject: [EricssonResearch/scream] Implementation Status of the RFC especially media rate control (#20)

Hi,

if I compare the RFC8298 media rate control algorithm with the implementation, I didn't find features like "Force a slight reduction in bitrate if RTP queue builds up". And I didn't find the dependency through the rate_transmit and rate_ack.

If this is already implemented, can you please point me to the code. Thanks.

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