Disabling RTP header extensions

[Michael Yan]

Hi, how can I disable RTP header extensions in chrome when I create an offer?

Specifically, I want to disable 

a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level

Is there any API to do it?

[Taylor Brandstetter]

Not currently; your only option would be to remove it from the SDP. The direction we'll go in the future if we want to support this would likely be to add a field to "RTCRtpEncodingParameters" to control which extensions are used (which would have the advantage that it wouldn't require a new offer/answer to change the setting).

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