Re: [webrtc-pc] Spec says scaleResolutionDownBy must default to 1, but browsers differ (#2535)

We need a more complete picture of what existing behavior is. In Firefox, when `scaleResolutionDownBy` is not specified, it is **always** assumed to be 1.0, regardless of the method (e.g. `setParameters`, `addTransceiver`, etc.)?

When there is more than one simulcast encoding, the Chrome default behavior in `addTransceiver` is to assume a default scaling ratio of 2:1.  However, when `scaleResolutionDownBy` isn't specified in setParameters(), is a default value of 1.0 assumed, or some other value (e.g. the existing value)?

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Received on Saturday, 30 May 2020 22:24:06 UTC