Re: [mediacapture-fromelement] define behaviors of the common ConstrainablePattern Interfaces (#48)

We've identified this as a web compat issue in [bug 1942763](https://bugzilla.mozilla.org/show_bug.cgi?id=1942763).

With https://jsfiddle.net/jib1/k1bLrsnx/16/ we see both Chrome and Safari reporting `width` and `height`, whereas Firefox doesn't. I propose we add those two to this spec.ยน

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<sub>1. Chrome additionally reports `frameRate`,  but its value seems unreliable and [unrelated to anything happening in the canvas](https://source.chromium.org/chromium/chromium/src/+/main:third_party/blink/renderer/modules/mediastream/media_stream_video_track.cc;l=1137;drc=1f9f3d7d4227fc2021915926b0e9f934cd610201), so I propose we leave it out.</sub>

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Received on Thursday, 22 May 2025 15:49:28 UTC