Re: [webkit-dev] Request for position on AudioContext.outputLatency

[youenn fablet via webkit-dev]

Looking at https://www.w3.org/TR/webaudio/#dom-audiocontext-outputlatency,
it states that:
> If the audio output device is changed the outputLatency
 attribute
value will be updated accordingly.

The use case seems ok, but I worry about fingerprinting if it means this
allows a web page to passively identify user speakers.
Say I switch from builtin speakers to Bluetooth headset using MacOS system
menu.

If so, the spec should identify this as potential fingerprinting and should
provide mitigations.
And we should evaluate fingerprinting-free alternatives.
What does PING WG think about this?

Le lun. 13 déc. 2021 à 09:39, Yoav Weiss via webkit-dev <
webkit-dev@lists.webkit.org> a écrit :

> (Sent on behalf of Hongchan Choi, who failed to subscribe to this mailing
> list)
>
> Hey folks!
>
> AudioContext.outputLatency is to inform the time at which the first sample
> in the buffer is actually processed by the audio output device. This is
> useful when synchronizing the audio generated by Web Audio to other audio
> or video sources or to visual cues [1].
>
> This is already implemented in FireFox and we're looking to ship it in
> Chrome soon [2][3]. Would you all be interested in this feature?
>
> Thanks,
> Hongchan
>
> [1] https://www.w3.org/TR/webaudio/#dom-audiocontext-outputlatency
> [2] https://bugzilla.mozilla.org/show_bug.cgi?id=1324552
> [3]
> https://groups.google.com/a/chromium.org/g/blink-dev/c/dTQniJNVVMY/m/hPFwY1fbBQAJ
>
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[webkit-dev] Request for HTMLInputElement showPicker()

[François Beaufort  via webkit-dev]

Hi webkit-dev,

This is a request for WebKit's position on adding showPicker() to 
elements as newly specified by the HTML spec. It addresses a very common
request from web developers: programmatically showing a picker for controls
like date etc.

Spec:
   https://html.spec.whatwg.org/multipage/input.html#dom-input-showpicker

Discussion:
  https://github.com/whatwg/html/pull/7319

WebKit bug:
   https://bugs.webkit.org/show_bug.cgi?id=234009

Best.
François
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[webkit-dev] Request for position on AudioContext.outputLatency

[Yoav Weiss via webkit-dev]

(Sent on behalf of Hongchan Choi, who failed to subscribe to this mailing
list)

Hey folks!

AudioContext.outputLatency is to inform the time at which the first sample
in the buffer is actually processed by the audio output device. This is
useful when synchronizing the audio generated by Web Audio to other audio
or video sources or to visual cues [1].

This is already implemented in FireFox and we're looking to ship it in
Chrome soon [2][3]. Would you all be interested in this feature?

Thanks,
Hongchan

[1] https://www.w3.org/TR/webaudio/#dom-audiocontext-outputlatency
[2] https://bugzilla.mozilla.org/show_bug.cgi?id=1324552
[3]
https://groups.google.com/a/chromium.org/g/blink-dev/c/dTQniJNVVMY/m/hPFwY1fbBQAJ
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