[whatwg] Scripted <video> query proposal

[Eric Carlson]

On Aug 21, 2008, at 7:46 PM, Robert O'Callahan wrote:

> Any browser that supports integration with an extensible framework  
> like GStreamer, Quicktime or Direct Show is going to have a hard  
> time ever reporting "false". Apparently there was a conversation  
> today in #theora that you might have seen whcih explains why this is  
> so, at least for GStreamer.
>
> With a three-value return, at least Firefox with both Ogg Theora and  
> Quicktime support could return "yes" for Ogg and "maybe" for other  
> types. But I think Safari is going to have to return "maybe" all the  
> time --- except perhaps for codecs built into Quicktime. That  
> doesn't help you.
>
   It is possible to build a list of all types supported by QuickTime  
dynamically. WebKit does this, so Safari knows about both the built in  
types and those added by third party importers.

eric