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RE: MediaStreams and src attributes

From: Travis Leithead <travis.leithead@microsoft.com>
Date: Thu, 23 Aug 2012 18:44:54 +0000
To: Adam Barth <w3c@adambarth.com>
CC: "robert@ocallahan.org" <robert@ocallahan.org>, "public-media-capture@w3.org" <public-media-capture@w3.org>, Anant Narayanan <anant@mozilla.com>
Message-ID: <9768D477C67135458BF978A45BCF9B383843142E@TK5EX14MBXW602.wingroup.windeploy.ntdev.microsoft.com>
> From: Adam Barth [mailto:w3c@adambarth.com]
> On Thu, Aug 23, 2012 at 9:54 AM, Travis Leithead
> <travis.leithead@microsoft.com> wrote:
> > From: rocallahan@gmail.com [mailto:rocallahan@gmail.com] On Behalf Of
> > Robert O'Callahan
> >> And lifetime problems. It may be valuable to have a dedicated API that
> covers exactly the resources we have JS object representations for; I think
> that's as general as we can get without introducing the lifetime problems.
> >
> > There seems to be a lot of concerns about lifetime problems. Can you
> elaborate on this? I would expect "lifetime problems" to plague all users of
> createObjectURL (such as FileAPI), which is one reason for the current
> behavior of defaulting to "autoRevoke" = true in
> http://www.w3.org/TR/FileAPI/#creating-revoking. Do you have another
> concern?
> Interesting.  I wasn't aware of autoRevoke.  Does anyone implement that?

IE10 implements a variation of this, although somewhat unfortunately, the default is reversed (e.g., you have to opt-in to "oneTimeUse" [1] instead of having it be the default).

[1] http://msdn.microsoft.com/en-us/library/hh972897(v=vs.85)
Received on Thursday, 23 August 2012 18:45:30 UTC

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