[ogg-dev] handling multitrack Ogg

Silvia Pfeiffer silvia at silvia-pfeiffer.de
Tue Feb 2 17:40:04 PST 2010

On Wed, Feb 3, 2010 at 11:21 AM, Chris Double <chris.double at double.co.nz> wrote:
> Excerpts from Frank Barchard's message of Wed Feb 03 13:11:15 +1300 2010:
>> Yes, and its good to learn from DVD's too.

DVD is a subpart of MPEG: http://www.mpucoder.com/DVD/vobov.html,
http://dvd.sourceforge.net/dvdinfo/dvdmpeg.html .
Uses the same functionality for tracks, iiuc.

> It might be useful to look at the Matroska container format too. It handle's multiple tracks iirc.

Matroska is interesting, see
http://www.matroska.org/technical/specs/index.html#Track .

It has a TrackNumber and a TrackUID (the latter probably maps well
onto Ogg serialnumbers) and a Name (human-readable).

Further for display order it has a TrackOverlay element, which
specifies a track to be an overlay onto another one.


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