AV1 real time mode in Chrome 90

[Lin Wang]

Hi,

I am currently trying to implement web conferences application using webRTC. As far as I know, chrome 90 includes AV1 codec(Libaom). I need to use AV1's real-time mode in my application. 

Can anyone tell me if I need to configure real time mode somewhere or chrome automatically enable AV1's real-time mode in my web meeting application?

Thanks.

Wang

[Jerome Jiang]

+Philip Eliasson 

Hi Wang,

WebRTC already has libaom enabled by default on all platforms except Android and ChromeOS, and it already has real-time mode configured.

You should be able to just tell WebRTC to use AV1 when creating encoder:

https://webrtc.googlesource.com/src/+/refs/heads/main/media/engine/internal_encoder_factory.cc#53

Philip is cc'ed and he can probably provide more information on how to invoke AV1 encoder in WebRTC.

Thanks.

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[Lin Wang]

Hi Jiang,

Thanks so much for your information.

Wang