Re: More thoughts on Constraints, and a proposal

On Wed, Feb 5, 2014 at 7:43 PM, Randy Lin <rlin@mozilla.com> wrote:

> 1. What is the possible return value?
> ===> Size getMaxVideoSize(optional DOMString mimeType); // returns a
> dictionary
>  a. If mimeType == empty, then return the platform can support for the
> media stream frame size like
>  {1024, 768}
>  b. Application sets the un-supported mimeType, then return null or {}?
>  c. Application sets the supported mimeType, return platform supported
> MaxVideoSize.
>

I'm not actually proposing we add this API, not now and maybe not ever. It
was just an example of how we would extend the API if we needed to.


> 2. for scaleVideoDownToWidth/scaleVideoDownToHigh/mimeType in
> MediaRecorderOptions.
> If application sets incorrect options, how can media recorder object react
> for that one? Just use the platform default value?
>

Yes, these options represent "optional constraints" so if they can't be
satisfied the UA just returns its best effort.

Rob
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