RESOLVED FIXED264799
[MSE] SourceBufferPrivate::didUpdateFormatDescriptionForTrackId can run out of order. 
https://bugs.webkit.org/show_bug.cgi?id=264799
Summary [MSE] SourceBufferPrivate::didUpdateFormatDescriptionForTrackId can run out o...
Jean-Yves Avenard [:jya]
Reported 2023-11-14 00:38:22 PST
In bug 253789, didUpdateFormatDescriptionForTrackId was added as a callback to the SourceBufferParser . However, processing the TrackInfo, which should always be after we've parsed the initialisation segment can actually before as it's not added to the SourceBufferPrivate::operationQueue but instead is run immediately. If it happens that the initialisation segment hasn't been parsed yet, we end up disabling the track instead.
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Radar WebKit Bug Importer
Comment 1 2023-11-14 00:39:03 PST
<rdar://problem/118380017>
Jean-Yves Avenard [:jya]
Comment 2 2023-11-14 00:49:26 PST
Pull request: https://github.com/WebKit/WebKit/pull/20469
Jean-Yves Avenard [:jya]
Comment 3 2023-11-14 03:15:33 PST
Pull request: https://github.com/WebKit/WebKit/pull/19765
EWS
Comment 4 2023-11-14 03:52:15 PST
Committed 270703@main (49ba5f074748): <https://commits.webkit.org/270703@main> Reviewed commits have been landed. Closing PR #20469 and removing active labels.
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