[Webkit-unassigned] [Bug 91573] New: Suggested missing value default for preload attribute is metadata, not auto

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Jul 17 19:43:10 PDT 2012


https://bugs.webkit.org/show_bug.cgi?id=91573

           Summary: Suggested missing value default for preload attribute
                    is metadata, not auto
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
               URL: http://dev.w3.org/html5/spec/media-elements.html#attr-
                    media-preload
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P3
         Component: Media Elements
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: danield at opera.com


Comments within the HTMLMediaElement::parseAttribute function of WebCore/html/HTMLMediaElement.cpp say:

// The spec does not define an "invalid value default" but "auto" is suggested as the
// "missing value default", so use it for everything except "none" and "metadata"

however the HTML5 spec has since been changed. It currently reads:

"The attribute's missing value default is user-agent defined, though the Metadata state is suggested as a compromise between reducing server load and providing an optimal user experience."

For mobile and low-bandwidth users especially, WebKit's missing value default for the preload attribute should be changed from "auto" to "metadata" as the spec suggests.

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