Hugh Guiney <hugh.gui...@gmail.com> schrieb am Sat, 12 Dec 2009 21:32:30 -0500:
> Hey all, Hey, > Ideally, I would like to be able to simply encode a few different > quality variations of the same file and serve each version to its > corresponding audience. The <source> element was invented for this. > There are a few ways I could do this. One of the most obvious ways > would be to present different versions of the site, e.g. one for "slow > connections" and one for "fast connections" and have the user pick via > a splash page before entering, as was popular in '90s. But this is > almost certainly a faux pas today: it puts a wall between the user and > my content, and requires me to maintain two different versions of the > site. Hardly efficient. This is correct. You don't prompt users for different resolutions either nowadays. > If HTML video is to compete with Flash, or become implemented on as > wide a scale as YouTube <http://www.youtube.com/html5>, it makes sense > to allow for some sort of quality choice mechanism, as users will have > come to expect that functionality. What about a simple drop-down beside an embedded media resource ? > This could be done by allowing an attribute on <source> elements that > takes a relative value, such as (or similar to) those specified in > HTTP <http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.9>. > This attribute could be called "quality" or "qvalue" or just "q" (my > personal preference would be it that order decreasing), and be used as > such: Specifying a bit rate would be vastly more appropriate IMO. Cheers, -- Nils Dagsson Moskopp // erlehmann <http://dieweltistgarnichtso.net>
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