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Issue 904831 link

Starred by 5 users
Status: Assigned
Owner:
guidou@chromium.org
Cc:
hbos@chromium.org
marinaciocea@chromium.org
ar...@chromium.org
guidou@chromium.org
niklase@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 3
Type: Bug



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Make constraints processing for screen capture spec compliant

Project Member Reported by guidou@chromium.org, Nov 13 
The existing constraints processing for screen capture, while following the mediaccapture-main spec in terms of how the constrainable pattern should be implemented, is written for the nonstandard extension API in Chrome.

Now that we are going to support the standard getDisplayMedia(), we should update the algorithm (or introduce a new one) so that it follows any variations specified in the mediacapture-screen-share spec.

Comment 1 by guidou@chromium.org, Nov 13

Cc: hbos@chromium.org

Comment 2 by hbos@chromium.org, Nov 13

Cc: marinaciocea@chromium.org ar...@chromium.org

Comment 3 by dzly...@gmail.com, Jan 10 

When I provide constraints object for navigator.mediaDevices.getDisplayMedia() like this:

{
  displaySurface: ["application", "browser"]
}

the browser (Chrome 73.0.3667.0 64-bit on OS X 10.13.6) shows selection with every type of source (e.g. screen, apps, browser tabs).

Previously we used extension with chrome.desktopCapture.chooseDesktopMedia() call and it showed only requested variants.
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