On Fri, Jul 7, 2017 at 11:54 AM, Jet Villegas <jville...@mozilla.com> wrote:

> What do we expect to break?


I can see that video quality auto adjusment which is based on these APIs
will become malfunction. But, I don't know is this a real use case that a
website implement video quality adjusment based on these APIs.


> Who's out there using these APIs now?
>

There are some addons using these APIs to report media statistics. For our
internal use, there are only some test code using them. And I think the
VideoPlaybackQuality can be used to replace them since it provides a
similar feature.


> Thanks,
>
> --Jet
>
>
> On Thu, Jul 6, 2017 at 8:21 PM, Tim Huang <tihu...@mozilla.com> wrote:
> > I intent to unship the support of moz*Frames of HTMLVideoElement
> including
> >     * HTMLVideoElement.mozParsedFrames
> >     * HTMLVideoElement.mozDecodedFrames
> >     * HTMLVideoElement.mozPresentedFrames
> >     * HTMLVideoElement.mozPaintedFrames
> >     * HTMLVideoElement.mozFrameDelay
> > in Bug 1379050 [1].
> >
> > The reason of this is threefold.
> >     1. They are non-standard API and Gecko is the only one implements
> them.
> >     2. The VideoPlaybackQuality[2] provides a similar feature.
> >     3. There is a potential risk of browser fingerprinting[3] for these
> > APIs.
> >
> > For these reasons, we should remove them.
> >
> > [1] https://bugzilla.mozilla.org/show_bug.cgi?id=1379050
> > [2] https://developer.mozilla.org/en-US/docs/Web/API/
> VideoPlaybackQuality
> > [3] https://trac.torproject.org/projects/tor/ticket/15757
> >
> > --
> > Tim Huang
> > Mozilla Taiwan
> > email:tihu...@mozilla.com
> > phone:+886-2-8786-1100#402
> > _______________________________________________
> > dev-platform mailing list
> > dev-platform@lists.mozilla.org
> > https://lists.mozilla.org/listinfo/dev-platform
>



-- 
Tim Huang
Mozilla Taiwan
email:tihu...@mozilla.com
phone:+886-2-8786-1100#402
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