W3C home > Mailing lists > Public > public-html@w3.org > February 2011

Re: Tech Discussions on the Multitrack Media (issue-152)

From: Philip Jägenstedt <philipj@opera.com>
Date: Thu, 17 Feb 2011 16:17:55 +0100
To: public-html@w3.org
Message-ID: <op.vq1zf3lhsr6mfa@localhost.localdomain>
On Wed, 16 Feb 2011 18:47:22 +0100, Mark Watson <watsonm@netflix.com>  
wrote:

>
> On Feb 16, 2011, at 12:02 AM, Philip Jägenstedt wrote:
>
>> On Wed, 16 Feb 2011 03:31:47 +0100, Silvia Pfeiffer
>> <silviapfeiffer1@gmail.com> wrote:
>>
>>> On Wed, Feb 16, 2011 at 12:08 PM, Jonas Sicking <jonas@sicking.cc>  
>>> wrote:
>>>> On Tue, Feb 15, 2011 at 4:19 PM, Silvia Pfeiffer
>>>> <silviapfeiffer1@gmail.com> wrote:
>>>>> On Wed, Feb 16, 2011 at 5:36 AM, Mark Watson <watsonm@netflix.com>
>>>>> wrote:
>>>>>> Hi Philip,
>>>>>>
>>>>>> Just a quick note that the "alternative" vs "additional" distinction
>>>>>> is not always completely clear. Video with different camera angles
>>>>>> (gimmiky or not) could be considered as an alternative, or could be
>>>>>> rendered as picture-in-picture, or multiple thumbnail videos could
>>>>>> show beside the main video (some sports sites already do this kind  
>>>>>> of
>>>>>> thing).
>>
>> Sure, but all of those modes should be achieved by the author making it
>> happen with CSS. At the risk of making a strawman argument, I honestly
>> can't see browsers allowing the user to change the rendering of the page
>> to achieve PiP or something like that when the author hasn't provided  
>> for
>> it, messing with the layout like that seems both weird and unlikely to  
>> be
>> useful. Of course we can have User JavaScript and User CSS to do that  
>> kind
>> of thing, though.
>
> I was assuming that the "author" of the content - who labels the tracks  
> - might not be the same as the "author" of the webpage that is rendering  
> the content. So the first author should not assume that (say) multiple  
> views are alternatives, because some webpages might be able to view them  
> both as PIP.

Since the tracks are labeled using the attribute of the <track> attribute,  
it will be the page author that has to do the work to support some  
specific video display, be that PiP, overlay or something else.

-- 
Philip Jägenstedt
Core Developer
Opera Software
Received on Thursday, 17 February 2011 15:18:29 UTC

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