- From: Silvia Pfeiffer <silviapfeiffer1@gmail.com>
- Date: Mon, 19 May 2014 22:12:00 +1000
- To: Philip Jägenstedt <philipj@opera.com>
- Cc: "Jerry Smith (WINDOWS)" <jdsmith@microsoft.com>, Bob Lund <B.Lund@cablelabs.com>, Paul Cotton <Paul.Cotton@microsoft.com>, "public-html-admin@w3.org" <public-html-admin@w3.org>, Pierre-Anthony Lemieux <pal@sandflow.com>
On Mon, May 19, 2014 at 10:02 PM, Philip Jägenstedt <philipj@opera.com> wrote: > On Mon, May 19, 2014 at 1:29 PM, Silvia Pfeiffer > <silviapfeiffer1@gmail.com> wrote: >> On Mon, May 19, 2014 at 7:22 PM, Philip Jägenstedt <philipj@opera.com> wrote: > >>> Finally, does ISO BMFF have SDH (subtitles for the deaf or >>> hard-of-hearing) as a separate flag from the subtitle and captions >>> kinds, or is possible to assign an arbitrary number of kinds to a >>> track? Either way it doesn't sound like it maps 1:1 to the HTML track >>> kinds. >> >> That's what I tried to say: since the ISO BMFF 'SDH' track contains >> both 'SDH' and 'subtitles' cues, it should be mapped to both a >> @kind='captions' track and also a @kind='subtitles' track where the >> cues that are marked to be for SDH only are removed. > > Are the individual cues really marked with that metadata? If they > aren't, then exposing such a single track with kind 'captions' seems > like the correct mapping. I was under that impression, but I haven't been able to confirm this. Maybe somebody else with actual MPEG4 specs can confirm / refute that assumption? Cheers, Silvia.
Received on Monday, 19 May 2014 12:12:48 UTC