- From: Silvia Pfeiffer <silviapfeiffer1@gmail.com>
- Date: Tue, 25 Jun 2013 23:09:40 -0400
- To: David Ronca <dronca@netflix.com>
- Cc: public-texttracks@w3.org
Is the conversion spec not clear enough on this? https://dvcs.w3.org/hg/text-tracks/raw-file/default/608toVTT/608toVTT.html Silvia. On Tue, Jun 25, 2013 at 11:01 PM, David Ronca <dronca@netflix.com> wrote: > For 608 captions, the line height should be (display_height - safe_area) / > 15. The font size should be such that a monospaced letter will fill one > cell. How does WebVTT handle this? > > Thanks, > David > > > > On Tue, Jun 25, 2013 at 6:03 PM, Silvia Pfeiffer <silviapfeiffer1@gmail.com> > wrote: >> >> On Wed, Jun 26, 2013 at 10:42 AM, David Ronca <dronca@netflix.com> wrote: >> > If I want to position CEA608 text at row 10, column 10 the cue might >> > look >> > like this: >> > >> > Cue-8 00:00:52.000 --> 00:00:54.000 position:35% line:58* align:left >> > size:25% Tis a test >> > >> > There are 10 characters so the size is 10* cell width (2.5%). Wondering >> > if I >> > also need to specify the height, which would be one row (5.33%), but I >> > see >> > no way to do this with the WebVTT spec. Is line height baked into the >> > implementation? >> >> Line height is set by CSS automatically based on font size, and there >> is no cue setting for it because there shouldn't be a need to change >> it. However, you can always set line-height through CSS. >> >> Silvia. > >
Received on Wednesday, 26 June 2013 03:10:27 UTC