- From: Philip Jägenstedt <philipj@opera.com>
- Date: Wed, 16 Feb 2011 12:51:59 +0100
On Wed, 16 Feb 2011 12:30:06 +0100, Silvia Pfeiffer <silviapfeiffer1 at gmail.com> wrote: > On Wed, Feb 16, 2011 at 9:27 PM, timeless <timeless at gmail.com> wrote: >> On Wed, Feb 16, 2011 at 10:23 AM, Kevin Marks <kevinmarks at gmail.com> >> wrote: >>> Moving them only within the video viewport is a bug, not a feature. >> >> Of note, the big tv we had in 2000 (probably purchased circa 1998) at >> a college communal area would display captions for the PIP window >> below the PIP. So even TV vendors were aware that they didn't need to >> always stick captions into the box once they had reasonable >> resolution. >> >> Sadly I don't think I've ever seen any TVs which would shrink the >> primary window just to supply space for captions. There's no reason >> they couldn't, since they also do shrink the window to provide >> onscreen menus or program guides. >> >> I suppose part of the reason with big TVs is an assumption that the >> audience will be at a fixed distance with or without captions, but >> shrinking the view area for the programming would cause the preferred >> distance to decrease. And as content providers actually do try to pick >> areas which are mostly dead, the tradeoff of losing "live pixels" vs >> decreasing optimal distance was not considered worth it. >> >>> Classic >>> TV required this (especially with overscan), but on modern TV's there >>> is >>> often a letterbox or pillarbox are that captions should go in. >> >> Indeed. I'm pretty sure I saw a DVD playes which took advantage of >> this with a letterbox and stuck the captions below the movie in >> January when I was in California. > > IIUC, the YouTube's captions can be moved within the whole video > viewport which includes any letterboxing or pillarboxing if available. > > As for moving them outside - that would turn the whole web page into a > potential drop zone for a div (or similar) coming from within a media > element. That would probably not make that much sense. But I could > imagine an application defining certain areas around the video - in > particular below and above it - as drop zones for captions/subtitles > and thus extend the on-screen space. I wonder what the browser vendors > think about that feature. > > Cheers, > Silvia. > > >>> On a >>> decent-sized computer screen, there is no real excuse for obscuring the >>> video with the captions rather than putting them underneath or >>> alongside. >> >> Yep. Well, it wouldn't be wrong for someone to write a 'Misery >> compatibility mode' application to enable people to see how their >> captions would look on old TVs, but I don't think that's something for >> which primary applications should be designed. >> I've had the same idea. The rendering of captions is already defined as being on top of another element, namely the parent <video> element. Technically, I don't think it would be very difficult to allow the captions to be rendered into some other container. I think this kind of feature should wait until we have implementations of the current spec, though. -- Philip J?genstedt Core Developer Opera Software
Received on Wednesday, 16 February 2011 03:51:59 UTC