[Webkit-unassigned] [Bug 25026] New: type attribute breaks playback of <audio> and <source> elements

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=25026

           Summary: type attribute breaks playback of <audio> and <source>
                    elements
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Mac OS X 10.5
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: WebKit Misc.
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: expensivelesbian at gmail.com


as per Eric's request here,
https://lists.webkit.org/pipermail/webkit-dev/2009-April/007254.html

in a simple scenario of:

<audio>
  <source src="/media/audio/ogg/9001_10000/9807.ogg"
type="audio/ogg;codecs=vorbis"/>
  <source src="/media/audio/m4a/9001_10000/9807.m4a"/>
</audio>

the m4a audio file will play on Safari. However, add some declaration of a type
attribute to the source tag, for example:

<source src="/media/audio/m4a/9001_10000/9807.m4a" type=
"audio/mp4;codecs="mp4a.40.2""/>

and audio playback will break. This happens on <audio> enabled Safari builds,
w32 and OSX. 

I'm finding this problem by following what is currently defined for <audio> and
<source> usage, on the whatwg documentation site. I don't have a profound
understanding of how WebKit interacts with QuickTime or other media_kits.

thanks

jp


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