[Webkit-unassigned] [Bug 73320] 'application/octet-stream' is not a type the UA cannot render

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=73320

Eric Carlson <eric.carlson at apple.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |CONFIGURATION CHANGED

--- Comment #2 from Eric Carlson <eric.carlson at apple.com> ---
`HTMLMediaElement::canPlayType` returns `emptyString()` when `MediaPlayer::supportsType ` returns `SupportsType::IsNotSupported`:

https://github.com/WebKit/WebKit/blob/903dab21ab4f09d231bd7064153c712243aaa900/Source/WebCore/html/HTMLMediaElement.cpp#L1164


`bestMediaEngineForSupportParameters` returns `nullptr` to signal that no media engine supports the configuration. This causes `MediaPlayer::supportsType` to return `SupportsType::IsNotSupported`:

https://github.com/WebKit/WebKit/blob/903dab21ab4f09d231bd7064153c712243aaa900/Source/WebCore/platform/graphics/MediaPlayer.cpp#L1160

so `canPlayType` returns an empty string as per above.

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