- From: Eric Carlson <eric.carlson@apple.com>
- Date: Tue, 09 Feb 2010 20:45:53 -0800
- To: Ian Hickson <ian@hixie.ch>
- Cc: Simon Pieters <simonp@opera.com>, Robert O'Callahan <robert@ocallahan.org>, "public-html@w3.org" <public-html@w3.org>
On Feb 9, 2010, at 6:42 PM, Ian Hickson wrote: > On Tue, 19 Jan 2010, Simon Pieters wrote: >> >> What's the use case for .played on media elements? As far as I know >> existing media players don't have any UI for what has been played. We >> think .played should be dropped from the spec. > > Many players render the progress bar before the current playback position > in a different colour than after the current playback position. Some, e.g. > the YouTube player, render a different colour from the last play start > position. This suggests that this kind of information could be useful > from a UI standpoint. > > It could also be useful from an ads standpoint. For example, finding out > if the current playback position after a seek is inside a range that's > been played already, and not showing any ads if that is the case (on the > principle that the relevant ad has already been shown). > > > On Wed, 20 Jan 2010, Robert O'Callahan wrote: >> >> It seems that .played is only useful if you want to dynamically add >> scripted controls to an element, where the controls display what has >> been played, and you really want the controls to display what was played >> before they were added. > > The API in general is built on the assumption that different controllers > can jump in and be up to speed long after the element was created. > I agree, this is precisely the use case I imagine for it as well. > > I'm happy to remove the API if nobody is going to implement it, but it > seems to be a useful API in principle, easy to implement, and of low cost, > so unless one of those assumptions is flawed, I'd rather keep it. > The currently shipping WebKit implements .played. It wasn't difficult to implement, and I think it is a useful attribute so I am opposed to removing it. My apologies for missing this thread when it came up last month. eric
Received on Wednesday, 10 February 2010 04:46:30 UTC