[Webkit-unassigned] [Bug 207622] New: MediaSource.isTypeSupported() says "video/mp4; codecs=\"avc3.42C015\"" is not supported, but it is
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Wed Feb 12 03:42:05 PST 2020
https://bugs.webkit.org/show_bug.cgi?id=207622
Bug ID: 207622
Summary: MediaSource.isTypeSupported() says
"video/mp4;codecs=\"avc3.42C015\"" is not supported,
but it is
Product: WebKit
Version: Safari Technology Preview
Hardware: Macintosh
OS: macOS 10.15
Status: NEW
Severity: Normal
Priority: P2
Component: Media
Assignee: webkit-unassigned at lists.webkit.org
Reporter: robert.bryer at bbc.co.uk
The current Safari Technology Preview (Release 100 (Safari 13.2, WebKit 14610.1.2.1)) rejects the AVC3 codec string "video/mp4;codecs=\"avc3.42C015\"" with MediaSource.isTypeSupported(). In my current production version of Safari (13.0.3) it's accepted. It looks like this only affects AVC3 because changing it to AVC1 returns true, like "video/mp4;codecs=\"avc1.42C015\"".
And it does still play AVC3; if I ignore the codec error, it plays these videos fine without issue.
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