[Bug 10602] New: No boundary behavior specified for playbackRate/defaultPlaybackRate

http://www.w3.org/Bugs/Public/show_bug.cgi?id=10602

           Summary: No boundary behavior specified for
                    playbackRate/defaultPlaybackRate
           Product: HTML WG
           Version: unspecified
          Platform: All
        OS/Version: AIX
            Status: NEW
          Severity: normal
          Priority: P3
         Component: HTML5 spec (editor: Ian Hickson)
        AssignedTo: ian@hixie.ch
        ReportedBy: franko@microsoft.com
         QAContact: public-html-bugzilla@w3.org
                CC: mike@w3.org, public-html@w3.org


In 4.8.9.8,

"The playbackRate attribute gives the speed at which the media resource plays,
as a multiple of its intrinsic speed. If it is not equal to the
defaultPlaybackRate, then the implication is that the user is using a feature
such as fast forward or slow motion playback. The attribute is mutable: on
getting it must return the last value it was set to, or 1.0 if it hasn't yet
been set; on setting the attribute must be set to the new value, and the
playback must change speed (if the element is potentially playing)."

The range of valid values for playbackRate is not specified; No behavior is
defined for when defaultPlaybackRate or playbackRate are set to the values
"Infinity" and "-Infinity".

SUGGESTED CHANGE:

When playbackRate is the positive Infinity value, current playback position of
the media element must be the last position in its seekable time range. 
Coversely, when playbackRate is the negative Infinity value, current position
must be the first position in its seekable time range.

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Received on Saturday, 11 September 2010 18:15:34 UTC