Sounds good, thank you for the clarifications.

Kind Regards,
Andy Paicu


On Mon, Jun 13, 2022 at 8:18 PM Elad Alon <[email protected]> wrote:

> Hi Andy,
>
> How does the capturing web app (i.e. Meet) know what I want to do with
>> audio?
>
>
> The capturing application might know that you're in a physical room and
> "presenting" to the equipment there.
>
>    - You use a special user-journey to trigger sharing to a room.
>    - The application could be "watermarking" audio coming in through the
>    room's speakers.
>    - You might have indicated a desire to suppress-local-audio through
>    in-content controls the application exposes.
>
> In either case, it is extremely likely that you only want to hear the
> audio only through one set of speakers. The application would be saving you
> effort by muting one set of speakers for you.
>
> This seems like it would be better under the control of the user
>
>
> Users can mute tabs manually. This new API surface will not prevent this.
>
> i.e. Meet
>
>
> It bears mentioning that Meet is currently using screen-sharing through an
> API which I am trying to deprecate. That API already hard-codes to
> *always* suppress-local-audio on a captured tab. The present new API
> surface improves on the state of the art by (i) making this conditional and
> (ii) exposing it to the Web at large.
>
> Thanks,
> Elad
>
> On Mon, Jun 13, 2022 at 8:02 PM Andy Paicu <[email protected]> wrote:
>
>> A question came up when reviewing this, I'm hoping you can help clarify:
>>
>> How does the capturing web app (i.e. Meet) know what I want to do with
>> audio? Would I not be able to achieve the same result by simply muting the
>> tab or even just muting the device (since it seems unlikely that there are
>> other sounds wanted from the local device when sharing a tab with audio)?
>>
>> This seems like it would be better under the control of the user instead
>> of being a decision made by the application especially since I don't see a
>> mention of how this would be presented to the user and/or potentially
>> reverted by them.
>>
>> Kind Regards,
>> Andy Paicu
>>
>> On Wednesday, June 1, 2022 at 9:40:02 AM UTC+2 Elad Alon wrote:
>>
>>> Similar to other intents, this doesn't count as an official positive
>>>> signal. Let's wait a few days to see if one emerges.
>>>
>>>
>>> Thanks. I've set a reminder to ping this thread in one week, as
>>> suggested in the other intent thread.
>>>
>>> On Wed, Jun 1, 2022 at 8:42 AM Yoav Weiss <[email protected]> wrote:
>>>
>>>>
>>>>
>>>> On Wednesday, May 25, 2022 at 2:44:01 PM UTC+2 Elad Alon wrote:
>>>>
>>>>> Contact [email protected]
>>>>>
>>>>> Explainer
>>>>> https://docs.google.com/document/d/1OmuV1W4f2UvToeNxUVGHv8NcFuL63r94gWwz9i_-VBc/edit?usp=sharing
>>>>>
>>>>> Specification
>>>>> https://github.com/w3c/mediacapture-screen-share/pull/164/files
>>>>>
>>>>> Summary
>>>>>
>>>>> Consider a Web application APP which is display-capturing a tab TAB.
>>>>> We add a mechanism by which APP may control whether the audio playing in
>>>>> TAB would be played out of the user’s local speakers.
>>>>>
>>>>>
>>>>> Blink componentBlink
>>>>> <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink>
>>>>>
>>>>> TAG reviewN/A. This is just an addition of a single flag to an
>>>>> existing dictionary, following well-known patterns.
>>>>>
>>>>> TAG review statusNot applicable
>>>>>
>>>>> Risks
>>>>>
>>>>>
>>>>> Interoperability and Compatibility
>>>>>
>>>>> *Gecko*: Positive (
>>>>> https://github.com/mozilla/standards-positions/issues/641) Jan-Ivar
>>>>> Bruaroey from Mozilla, and Youenn Fablet from Apple, have both 
>>>>> collaborated
>>>>> with us closely in shaping this PR. They have then approved merging this 
>>>>> PR
>>>>> into w3c/mediacapture-screen-share. This is implicit support, so I'd
>>>>> consider it POSITIVE even though, as of the time of this writing, the
>>>>> official request for position has not yet been answered.
>>>>>
>>>>> *WebKit*: Positive (
>>>>> https://lists.webkit.org/pipermail/webkit-dev/2022-May/032252.html)
>>>>> Jan-Ivar Bruaroey from Mozilla, and Youenn Fablet from Apple, have both
>>>>> collaborated with us closely in shaping this PR. They have then approved
>>>>> merging this PR into w3c/mediacapture-screen-share. This is implicit
>>>>> support, so I'd consider it POSITIVE even though, as of the time of this
>>>>> writing, the official request for position has not yet been answered.
>>>>>
>>>>
>>>> Similar to other intents, this doesn't count as an official positive
>>>> signal. Let's wait a few days to see if one emerges.
>>>>
>>>>
>>>>>
>>>>> *Web developers*: Positive
>>>>>
>>>>>    - This was requested by multiple Web-dev teams inside of Google.
>>>>>    - External developers have asked for a different change in Chrome,
>>>>>    which we'll be able to uncontroversially affect only once this API 
>>>>> surface
>>>>>    is shipped - see crbug.com/1317964 for some details.
>>>>>
>>>>>
>>>> That's encouraging!
>>>>
>>>>
>>>>>
>>>>> *Other signals*:
>>>>>
>>>>> WebView application risks
>>>>>
>>>>> N/A
>>>>>
>>>>>
>>>>>
>>>>> Debuggability
>>>>>
>>>>> N/A
>>>>>
>>>>>
>>>>> Will this feature be supported on all six Blink platforms (Windows,
>>>>> Mac, Linux, Chrome OS, Android, and Android WebView)?No. Supported on
>>>>> all platforms that support getDisplayMedia. (Namely, all desktop 
>>>>> platforms.)
>>>>>
>>>>> Is this feature fully tested by web-platform-tests
>>>>> <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>
>>>>> ?No
>>>>>
>>>>> Estimated milestones
>>>>>
>>>>> No milestones specified
>>>>>
>>>>>
>>>>> Link to entry on the Chrome Platform Status
>>>>> https://chromestatus.com/feature/5201258309746688
>>>>>
>>>>> Links to previous Intent discussionsIntent to prototype:
>>>>> https://groups.google.com/a/chromium.org/g/blink-dev/c/cANVKeNMHyE
>>>>>
>>>>> This intent message was generated by Chrome Platform Status
>>>>> <https://chromestatus.com/>.
>>>>>
>>>>

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