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Re: Encrypted Media proposal

From: Philip Jägenstedt <philipj@opera.com>
Date: Mon, 05 Mar 2012 10:43:10 +0100
To: public-html@w3.org
Message-ID: <op.waoyl8ussr6mfa@kirk>
On Fri, 02 Mar 2012 19:53:32 +0100, Charles Pritchard <chuck@jumis.com>  

> On 3/2/2012 3:27 AM, Philip Jägenstedt wrote:
>> 3. Rendering must likely use some form of overlay. Opera has this for  
>> some platforms, but it limits the functionality of the <video> element,  
>> e.g. CSS transforms (other than scale+translate) and CSS opacity won't  
>> work. We consider this a platform limitation and it is not something we  
>> really want to make a core requirement for <video>.
> I'd like to see this bit added somehow to the CSS Transforms spec.
> Flash is treated as an overlay in Chrome, it's behavior with transform  
> has been unstable, and it would've helped to have scale+translate  
> specified as an "ok" alternative. Flash is still broken in Chrome.
> I think we're going to need to figure out how to signal to the  
> scripting/CSS environment when CSS transforms are limited to  
> scale+translate (with rotate missing).

There's really nothing to add to the spec, it's just a quality of  
implementation issue. The point is that overlays *limit* the quality of  
implementation possible, so I think it would be a bad idea to require it  
in any Web standard.

Philip Jägenstedt
Core Developer
Opera Software
Received on Monday, 5 March 2012 09:43:41 UTC

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