On Apr 12, 2011, at 1:25 PM, Danny Ayers wrote: > On 12 April 2011 22:13, Eric Carlson <eric.carlson@apple.com> wrote: > >> First, meta-data is stored and interpreted differently in different media file formats so this would have to be done for every format. > > This doesn't necessarily follow, in fact I'd turn it around - if there > was a generic API for access to metadata, the material could be > exposed consistently for any formats that were supported. > >> Therefore I it is out of scope for the HTML WG. > > There is already a model specified for media elements, for example a > media element may have text tracks which have labels. This is > specified without dependence on any specific formats. The same > approach could easily be extended to include other pieces of metadata. > My point was that as far as I know, no media file format has a standard way to mark a text track as a "transcript". Therefore the media format specific metadata has to be defined, eg. what 'udta' or 'meta' value signals a transcript in a QuickTime/MPEG-4 file, before the HTML WG can define a mapping to it. ericReceived on Tuesday, 12 April 2011 20:46:53 UTC
This archive was generated by hypermail 2.4.0 : Saturday, 9 October 2021 18:45:36 UTC