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Re: getDisplayMedia() and system audio

From: Bernard Aboba <Bernard.Aboba@microsoft.com>
Date: Thu, 6 Sep 2018 00:11:12 +0000
To: Martin Thomson <martin.thomson@gmail.com>
CC: Silvia Pfeiffer <silviapfeiffer1@gmail.com>, Henrik Boström <hbos@google.com>, "public-webrtc@w3.org" <public-webrtc@w3.org>, "public-media-capture@w3.org" <public-media-capture@w3.org>
Message-ID: <7C15E812-CDAD-4D8E-988B-6AAEC8AFA9D5@microsoft.com>
On Sep 5, 2018, at 4:59 PM, Martin Thomson <martin.thomson@gmail.com> wrote:
> 
> 3. note that the browser chooses how much audio comes with any given
> share (for instance, platform limitations might make it impossible to
> capture audio from the entire system, or it might be impossible to
> separate audio from a single app).

[BA] Some security requirements are probably needed here. If the user selects a single window this should not enable an application to capture audio for the entire system. You *know* that there are applications that would abuse that loophole if it were available (e.g. to find users downloading unauthorized music). 
Received on Thursday, 6 September 2018 00:11:45 UTC

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