[whatwg] Media elements statistics

Steve Lacey sjl at chromium.org
Thu Mar 31 16:22:04 PDT 2011


On Thu, Mar 31, 2011 at 3:36 PM, Silvia Pfeiffer
<silviapfeiffer1 at gmail.com>wrote:

> Ha - I should have waited! ;-)
>
> But seriously: if you have any other sources of information for what
> stats may be useful to people, please add them.
>

I'm pretty sure that a combination of the mozilla/webkit stats cover all
bases.

Chris - in the mozilla stats, I agree on the need for a frame count of
frames that actually make it the the screen, but am interested in why we
need both presented and painted? Wouldn't just a simple 'presented' (i.e.
presented to the user) suffice?

Cheers!
Steve


>
> And: congrats on the stats released in Chromium & Mozilla!
>
> Cheers,
> Silvia.
>
> On Fri, Apr 1, 2011 at 5:11 AM, Steve Lacey <sjl at chromium.org> wrote:
> >
> >
> > On Wed, Mar 30, 2011 at 9:24 PM, Silvia Pfeiffer <
> silviapfeiffer1 at gmail.com>
> > wrote:
> >>
> >> Please note that I've started a wiki page at
> >> http://wiki.whatwg.org/wiki/Video_Metrics to try and collect all ideas
> >> around media element statistics. Please add freely!
> >
> > Thanks! That was on my todo list for this week.
> > Note that the webkit proposal has landed and is available in Chrome 11.
> >>
> >> Silvia.
> >>
> >> On Thu, Mar 31, 2011 at 2:16 PM, Chris Pearce <chris at pearce.org.nz>
> wrote:
> >> >
> >> >>>>> Note that the Mozilla implementation I proposed has had a counter
> >> >>>>> proposal by another mozilla developer and is being developed
> >> >>>>> further.
> >> >>>>> See:
> >> >>>>>
> >> >>>>> https://bugzilla.mozilla.org/show_bug.cgi?id=580531
> >> >>>>
> >> >>>> Thanks. Taking a further look at that.
> >> >>>>
> >> >>> Reviving thread...
> >> >>>
> >> >>> I have an initial patch in webkit
> >> >>> (http://trac.webkit.org/changeset/77394)
> >> >>> and the chromium work is underway - I wonder what might be a good
> >> >>> approach
> >> >>> to drive the apis closer together towards a real spec that everyone
> is
> >> >>> happy
> >> >>> with?
> >> >>>
> >> >>> There seems to be a lot of general agreement here (at least in
> >> >>> principal
> >> >>> :-) that this is needed. We'll be doing a bunch of experimentation
> >> >>> once
> >> >>> this
> >> >>> has landed in chromium.
> >> >>>
> >> >
> >> > I've landed support for some Mozilla-specific video decoding/painting
> >> > statistics in Firefox trunk (tracking in Mozilla bug 580531 mentioned
> >> > above), it should ship in Firefox 5 in a few months. For a few
> details,
> >> > see:
> >> >
> http://blog.pearce.org.nz/2011/03/html5-video-painting-performance.html
> >> >
> >> > Regards,
> >> > Chris Pearce.
> >> >
> >
> >
>


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