[whatwg] HTML5 video <source> dimensions and bitrate

Zachary Ozer zach at longtailvideo.com
Tue Aug 10 12:28:46 PDT 2010

On Tue, Aug 10, 2010 at 12:44 PM, Tab Atkins Jr. <jackalmage at gmail.com> wrote:
> It *appears* that the minimum you're asking for is some way to include
> the bitrate/etc. information in the <source> element so that you can
> switch between them in js, right?  You're not trying to add something
> that will cause changed browser behavior?

Correct - we're just trying to do some JS switching.

> In that case, your solution already exists - use the data-*
> attributes.  <source src=foo data-jw-bitrate=2> works just fine.  In
> existing browsers you can access the attribute with
> elem.getAttribute('data-jw-bitrate'), and in future browsers it'll be
> elem.data['jw-bitrate'].

Wow - I had no idea this was valid. This is exactly what we were
looking for - thanks!

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