Can you explain why you think this is an increased fingerprinting surface? The data in question here is the audio level of *incoming* media, and as the bug indicates, there are other ways to obtain it.
-Ekr On Thu, Dec 7, 2017 at 3:41 PM, Tanvi Vyas <ta...@mozilla.com> wrote: > Is there a pref to turn this added functionality off? That way users who > are worried about their fingerprint can change the about:config pref? Or > perhaps it can be disabled when privacy.resistFingerprinting is set to > true? > > Thanks! > > ~Tanvi > > On Tue, Dec 5, 2017 at 9:19 PM, Nico Grunbaum <ngrunb...@mozilla.com> > wrote: > > > Background: RTCRtpReceiver's[1] getSynchronizationSources() method allows > > WebRTC applications to monitor volume levels of call participants without > > having to use the costly getStats()[2] call. RTCRtpReceiver's > > getContributingSources() method enables WebRTC applications to monitor > the > > volume level of participants whose audio is being mixed upstream if the > > mixer includes this data in the RTP extension headers. > > > > We intend to ship these interfaces in 59, and they are on nightly now. > > > > Tracking: https://bugzilla.mozilla.org/show_bug.cgi?id=1363667 > > > > [1] https://w3c.github.io/webrtc-pc/#dom-rtcrtpreceiver > > [2] https://w3c.github.io/webrtc-pc/#dom-rtcrtpreceiver-getstats() > > > > Cheers, > > Nico Grunbaum > > -. --. > > > > _______________________________________________ > > dev-platform mailing list > > dev-platform@lists.mozilla.org > > https://lists.mozilla.org/listinfo/dev-platform > > > _______________________________________________ > dev-platform mailing list > dev-platform@lists.mozilla.org > https://lists.mozilla.org/listinfo/dev-platform > _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform