Re: [Wish] Is there a way for client to communicate intended resolution and frame rate with WHIP?

James Hurley <jamehurl@twitch.tv> Thu, 24 March 2022 15:30 UTC

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From: James Hurley <jamehurl@twitch.tv>
Date: Thu, 24 Mar 2022 16:30:07 +0100
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To: Ying Yin <yingyin=40google.com@dmarc.ietf.org>
Cc: wish@ietf.org
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Subject: Re: [Wish] Is there a way for client to communicate intended resolution and frame rate with WHIP?
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+1 this would be very useful to see codified.

On Wed, Mar 23, 2022 at 7:01 PM Ying Yin <yingyin=
40google.com@dmarc.ietf.org> wrote:

> Hello,
>
> With WHIP, is there a standard way for the client to indicate the intended
> broadcast resolution and framerate? WebRTC could temporarily adapt down
> resolution and framerate, and it could start at a lower resolution than the
> intended one. If the server side is transcoding and providing multiple
> output resolutions, they don't necessarily want to adjust the set of
> broadcast output resolutions as the ingestion changes resolutions. I
> suppose there could be solutions such as setting the intended
> resolution and frame rate as parameters in the url. Just wondering if this
> has been considered and if there is a standard way.
>
> Thanks,
> Ying
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