[Bug 24411] New: Expose supported media formats API to Web Workers

https://www.w3.org/Bugs/Public/show_bug.cgi?id=24411

            Bug ID: 24411
           Summary: Expose supported media formats API to Web Workers
           Product: CSS
           Version: unspecified
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: CSSOM
          Assignee: simonp@opera.com
          Reporter: jonas@sicking.cc
        QA Contact: public-css-bugzilla@w3.org
                CC: simonp@opera.com

We should expose an API for detecting which image/audio/video formats the UA
supports to Web Workers.

This is going to be especially important for ServiceWorkers who will want to
decide which resources to download based on capabilities of the UA.

So for example the SW will want to pre-cache a large video or image file, but
it wants to get it using a format that the UA supports.

Bug 24387 comment 2 has a more detailed description why this is needed from
within a Web Worker and why exposing an API just in Window contexts isn't
enough.

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Received on Monday, 27 January 2014 19:22:02 UTC