[Webkit-unassigned] [Bug 44517] HTMLMediaElement.canPlayType gives false positives in Safari

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=44517





--- Comment #1 from Niels Leenheer (rakaz) <niels.leenheer at gmail.com>  2010-08-24 06:02:51 PST ---
I filed a similar bug against Chrome: 
http://code.google.com/p/chromium/issues/detail?id=53193

The problem is Chrome is slightly different from the problem in Safari. Chrome only accepts codecs parameters that are supported, but allows MIME type and codec mismatches. For example Theora in an MP4 container will return "probably".

Unlike Chrome, Safari will also accept codecs parameters that are not supported at all. For example:

v=document.createElement('video');
v.canPlayType('video/mp4; codecs="foobar"')
-> probably     // incorrect

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