[whatwg] Media sink device selection on <audio>/<video>

Philip Jägenstedt philipj at opera.com
Mon Jan 13 15:30:36 PST 2014

On Tue, Jan 14, 2014 at 5:51 AM, Ami Fischman <fischman at chromium.org> wrote:
> On Sun, Jan 12, 2014 at 8:47 PM, Philip Jägenstedt <philipj at opera.com>
> wrote:
> [...]
>> Do you mean to make this per-origin as well? (It will require storing
>> that information per-origin forever, or until some invisible timeout.)
>> That seems about as restrictive as one could make it, but is the API
>> going to actually be useful in this state?
> Sure, why not?
> Canonical use-case: webrtc-using video-chat webapp allows the user to select
> between speakers, wired headset, or bluetooth headset for its audio output;
> the webapp already has gUM permission so now it can use getMediaDevices() to
> enumerate output sinks and use the proposal here to route the remote audio
> feed to the desired device.

OK, so a site that has been given access to any device using
getUserMedia can then enumerate all devices using getMediaDevices? I
interpreted "devices to which the user has already granted access
through getUserMedia" in the most restrictive (per-origin, per-device)
way possible...


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