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Re: CfC: Create Media Task Force

From: Mark Watson <watsonm@netflix.com>
Date: Wed, 11 Apr 2012 04:07:37 +0000
To: "<robert@ocallahan.org>" <robert@ocallahan.org>
CC: Paul Cotton <Paul.Cotton@microsoft.com>, "public-html@w3.org" <public-html@w3.org>
Message-ID: <87CA9145-5E67-4031-932B-C963B9467582@netflix.com>


Sent from my iPhone

On Apr 10, 2012, at 6:47 PM, "Robert O'Callahan" <robert@ocallahan.org> wrote:

> The scope of the Encrypted Media proposal is insufficient to create interoperable implementations. In particular, we know that the authors of the Encrypted Media proposal are planning to use it with CDMs other than the ClearKey CDM in the proposal, but we have no information about what those CDMs are or how UAs other than the authors' own would interface with them (despite that information having been requested right at the beginning of the discussion).

This is only because that information does not yet exist. I would expect that as the specification matures, and prototype implementations are created, that information will become available (in particular before the specification is approved).
 
> 
> Obviously the W3C should not bless, or be seen as blessing, a specification that cannot be interoperably implemented. Therefore, the Media TF needs to be constituted to ensure that it either produces a spec that can be interoperably implemented (e.g., Encrypted Media plus details of the CDMs that will be used and how any UA can access them), or nothing at all. If this condition can't be imposed from the outset, then I oppose creating the TF.

Just for my understanding, do you mean that a detailed API should be defined for CDMs (in any particular language?), or that some or all CDMs themselves must be fully specified ? (Or something else?)

...Mark
> 
> Rob
> -- 
> “You have heard that it was said, ‘Love your neighbor and hate your enemy.’ But I tell you, love your enemies and pray for those who persecute you, that you may be children of your Father in heaven. ... If you love those who love you, what reward will you get? Are not even the tax collectors doing that? And if you greet only your own people, what are you doing more than others?" [Matthew 5:43-47]
> 
Received on Wednesday, 11 April 2012 04:08:09 UTC

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