NEW259642
MediaSession.setPositionState() does not allow duration Infinity 
https://bugs.webkit.org/show_bug.cgi?id=259642
Summary MediaSession.setPositionState() does not allow duration Infinity
Jakob Wierzba
Reported 2023-07-31 02:40:05 PDT
Per spec https://w3c.github.io/mediasession/#the-mediapositionstate-dictionary > positive infinity can be used to indicate media without a defined end such as live playback but when I do navigator.mediaSession.setPositionState({ duration: Infinity }) I get a > TypeError: The provided value is non-finite
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Radar WebKit Bug Importer
Comment 1 2023-08-07 02:41:13 PDT
<rdar://problem/113493417>
Jer Noble
Comment 2 2023-08-10 12:48:52 PDT
This is (currently) intentional (and the spec text is confusing). The MediaSession specification defines `duration` to be a `double`, whereas the HTMLMediaElement.duration is defined as a `unrestricted double` (thus allowing +Infinity). This issue was raised recently in the Media WG: <https://github.com/w3c/mediasession/issues/252> We'll update the definition (to allow +Infinity) when the spec changes.
Ahmad Saleem
Comment 3 2024-01-30 15:35:06 PST
Web-Spec thread just got closed last week: https://github.com/w3c/mediasession/pull/304 with one follow-up: https://github.com/w3c/mediasession/issues/315
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