Re: [Bug 24015] Add callback to indicate when available media devices change

On 2014-05-09 18:08, Dominique Hazael-Massieux wrote:
> Le mercredi 18 décembre 2013 à 10:59 +0000, Stefan Håkansson LK a écrit
> (about
> http://dev.w3.org/2011/webrtc/editor/getusermedia.html#idl-def-MediaDeviceInfoCallback)
>
>>>> Agreed, but after actually working with the API I think that
>>> polling is clumsy;
>>> to get the behavior described below, you would have to poll the API
>>> about every
>>> second for the entire lifetime of the call.
>
>>> Agree: an event would be more efficient and cleaner to code than
>>> polling.
>
>> I agree, this would be much cleaner.
>
> https://www.w3.org/Bugs/Public/show_bug.cgi?id=24015 has a proposal for
> an event on navigator to avoid polling; I don't think that navigator
> implements the event listener interface, so it probably doesn't make
> sense to add it just for this.
>
> This could be moved to be a global event (i.e. on the window object);
> but I wonder if instead we could say that the MediaDeviceInfoCallback
> should be automatically invoked each time the list of media input and
> output devices change (roughly the same way navigator.watchPosition
> invokes its callback when the user position changes).
>
> Thoughts?

I think following the pattern of watchPosition makes sense.

>
> Dom
>
>

Received on Saturday, 10 May 2014 07:55:02 UTC