[whatwg] on codecs in a 'video' tag.
kcalhoun at apple.com
Tue Apr 3 14:24:25 PDT 2007
On Apr 3, 2007, at 2:13 PM, L. David Baron wrote:
> On Tuesday 2007-04-03 11:52 -0700, Dave Singer wrote:
>> Surely people have comments or questions on other aspects of our
>> proposal? There is new stuff, new ideas, and open areas, all ripe
>> for discussion....we have engineers standing by, eager to refine and
>> improve the video tag design itself...
> If you want more comments, it would be good to include a URL to get
> the proposal (potentially a message in the list archive, if that's
> the best one). I'm not sure where to find it amid the hundreds of
> messages on the list.
Apple's CSS Timed Media Module proposal - http://webkit.org/specs/
Apple's HTML Timed Media Elements proposal - http://webkit.org/specs/
I'm including Maciej's original message regarding Apple's proposals
below for reference.
A number of the ideas from Apple's HTML proposal have already been
incorporated into the current working draft of Web Applications 1.0.
Begin forwarded message:
> From: Maciej Stachowiak <mjs at apple.com>
> Date: March 21, 2007 5:08:26 PM PDT
> To: "whatwg at whatwg.org List" <whatwg at whatwg.org>
> Subject: [whatwg] Apple Proposal for Timed Media Elements
> Hello WHAT Working Group,
> With the recent discussions about the <video> element, we've
> decided to post our own proposal in this area. This proposal is a
> joint effort from the Safari/WebKit team and some of Apple's top
> timed media experts, who have experience with QuickTime and other
> media technologies.
> A number of Apple Engineers will follow and participate in further
> <video> discussions, including myself and my colleague Dave Singer,
> who has represented Apple in a number of media-related standards
> We started work on these documents before the <video> element was
> added to the spec and indeed before Opera made their original
> proposal. But in the interests of getting them out quickly, we
> decided to publish what we have, rather than revising the documents
> to be relative to the current spec. This document is still a work
> in progress, and I hope together we can refine it and fold it into
> the Web Apps 1.0 spec.
> There are a few areas of difference worth highlighting:
> - Our proposal includes a CSS module, which we will eventually
> submit to the CSS Working Group. We believe that many aspects of
> controlling timed media are presentational, and so are best
> represented in CSS. Although Web Apps 1.0 is not the final
> destination for this document, we think it makes more sense to
> consider the whole design at once.
> - We have included a more thorough set of events and properties
> which we think are needed to build good custom controller UI. In
> general, we would like to enable not just current web use cases but
> also somewhat more advanced uses.
> - We have included an <audio> element as well as <video>.
> - We have included a mechanism for static fallback based on
> container type and codec, so that it's possible to choose the best
> video format for a client even if user agent codec support varies.
> We will be starting separate threads on these and other key issues.
> We've posted our current proposals here:
> CSS Timed Media Module proposal - http://webkit.org/specs/
> HTML Timed Media Elements - http://webkit.org/specs/
> We also have a list of areas where we think the proposal could use
> refinement or additional features, but where we do not yet have a
> final design to present:
> Maciej Stachowiak
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