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[Bug 12399] <video> Expose statistics for media elements

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Date: Thu, 13 Oct 2011 20:01:06 +0000
To: public-html-bugzilla@w3.org
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--- Comment #20 from Ian 'Hixie' Hickson <ian@hixie.ch> 2011-10-13 20:01:03 UTC ---
Ah, that's an interesting use case not mentioned on the wiki.

If what you're trying to determine is whether the decoding pipeline or the
rendering pipeline are suffering, and if either, which one, then it seems like
what you'd want is just two numbers: one, the rate of frames dropped by the
decoder (which we can expose as two numbers, the number of frames passed to the
decode and number of frames actually decoded), and two, the jitter.

Why would you need the count of bytes decoded, the number of dropped frames
(unless that's defined as dropped by the decoder, rather than by any part of
the pipeline? — the wiki isn't clear on this), and the number of presented

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