- From: Philip Jägenstedt <philipj@opera.com>
- Date: Thu, 14 Nov 2013 17:34:51 +0100
- To: Brendan Long <B.Long@cablelabs.com>
- Cc: Cyril Concolato <cyril.concolato@telecom-paristech.fr>, "public-inbandtracks@w3.org" <public-inbandtracks@w3.org>
On Thu, Nov 14, 2013 at 4:16 PM, Brendan Long <B.Long@cablelabs.com> wrote: >> > 1. Mapping of container metadata (e.g. descriptors, ...) onto HTML Tracks >> > interfaces >> > 2. Mapping of media tracks onto HTML Tracks interfaces >> >> I don't understand the difference between point 1 and 2 or what point >> 3 actually means, can you elaborate a little bit? > > Not all metadata is in a normal track (in the original file). For example, "chapters" are frequently stored in a special way. Two examples are Matroska / WebM chapters[1] and MPEG-TS PMTs[2]. > > [1] http://matroska.org/technical/specs/chapters/index.html > [2] https://en.wikipedia.org/wiki/MPEG_transport_stream#PMT I see. How do people want to expose things which don't fit in a AudioTrack, VideoTrack or TextTrack? Philip
Received on Thursday, 14 November 2013 16:35:25 UTC