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MarshallOfSound

#53687: fix: require a registered source id for webContents capture via getUserMedia

Merged
MarshallOfSound
Created: Sep 7, 2026, 10:59:53 AM
Merged: Sep 7, 2026, 2:43:12 PM
5 comments
Target: main
  • The legacy chromeMediaSource: 'desktop' getUserMedia constraint accepts screen and window source ids only; a web-contents-media-stream:// id there is rejected with "Invalid state".
  • Capturing a WebContents keeps working through chromeMediaSource: 'tab' with an id from webContents.getMediaSourceId() (bound to the requesting contents) and through setDisplayMediaRequestHandler.
  • Spec and a getMediaSourceId doc note.

Notes: getUserMedia with chromeMediaSource: 'desktop' no longer accepts WebContents source ids; use chromeMediaSource: 'tab' with webContents.getMediaSourceId() or setDisplayMediaRequestHandler to capture a WebContents.

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42-x-y
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#53710
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Sep 7, 2026, 5:08:32 PM
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43-x-y
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#53707
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Sep 7, 2026, 5:19:39 PM
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44-x-y
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#53709
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Sep 7, 2026, 5:23:04 PM
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45-x-y
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#53708
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Sep 7, 2026, 5:05:01 PM
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