[Webkit-unassigned] [Bug 281737] getDisplayMedia() returns stream of a low resolution ignoring constraints

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=281737

Madara Freimane <madara.freimane at testdevlab.com> changed:

           What    |Removed                     |Added
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                 CC|                            |madara.freimane at testdevlab.
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--- Comment #3 from Madara Freimane <madara.freimane at testdevlab.com> ---
This bug is still reproducible with Safari v18.1 (macOS 15.1).
- There is a 100% reproducibility for a bug when a Safari User joins a new call or re-joins an existing call and shares their screen for the first time: other desktop users see the incoming screen share as blurry, with poor quality first 10 seconds. If the Safari user re-shares their screen during the call, the issue might not reoccur.
- Bug is not reproducible for screen share preview (therefore, the issue cannot be reproduced with the Google WebRTC sample, as we can see the screen share preview with it, https://webrtc.github.io/samples/src/content/getusermedia/getdisplaymedia/).
- Bug is reproducible, if macOS/Safari User shares the screen and other call participants observe the incoming screen share from macOS/Safari User.

Tested devices and browsers:
- MacBook Air (M1, 2020, macOS 14.6 (23G80)) and Safari (Version 17.6 (19618.3.11.11.5))
- Macbook Pro (M1, 2020, macOS 15.1 (24B83)) and Safari (Version 18.1 (20619.2.8.11.10))
- Macbook Pro (M1, 2020, macOS 15.1 (24B83)) and Safari Technology Preview (Release 206 (Safari 18.0, WebKit 20621.1.3.21.1))

A new sysdiagnostics file available (recorded at 11:00 am, EET | Oct 30, 2024):
https://drive.google.com/file/d/181PGTAHXqOITdNUg7d0Gvy3LhqrnPkeH/view?usp=sharing

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