Re: [webrtc-stats] The HW exposure check does not solve Cloud Gaming use cases (#730)

See https://w3c.github.io/webrtc-nv-use-cases/#game-streaming for the description of the use-case.

Note that attacks requiring a live connection like heuristics about decode time can be used as Diego pointed out. So far, we haven't seen such attacks though so I do not think we are gaining much by gating decoderFallback.

For cloud gaming the gamepad API could be taken into account as well but I assume this is the same single-digit percentage solution as microphone.

We should still take fullscreen (removed in #712) into account since it will prevent some fingerprint but maybe need different levels of granularity?

Moving forward I'd rather go the opposite direction and have more information in encoderImplementation/decoderImplementation if getUserMedia et al give a strong signal.


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Received on Thursday, 2 February 2023 13:15:33 UTC