[vorbis-dev] Return of the Son of MIME type

Monty xiphmont at xiph.org
Fri Nov 3 00:20:15 PST 2000



On Fri, Nov 03, 2000 at 12:06:16AM -0800, Ralph Giles wrote:
> On 27 Oct 2000, Maciej Stachowiak wrote:
> 
> > One thing I'd like to suggest is that your proposed TOC if any, list
> > an intended primary purpose for the file in addition to a list of
> > contained stream types (audio, video, other) to address issues others
> > have raised about how it might not be possible to tell the purpose of
> > a file just by looking at the list of stream types.
> 
> Monty and I discussed this a bit today; I thought I'd post a progress
> summary.
> 
> We've both found the arguments you (Maciej and Rakholh) have made
> convincing, but it remains to develop a technical solution. We've always
> (well, as long as I've been around :) planned on having some kind of
> stream description metadata for when we've got more than one substream.
> Because of the way the ogg bitstream format is stuctured, the only place
> this can go is in another logical substream. Adding a tag like you suggest
> will be simple enough.

Correct, but slanted slightly wrong. What I suggested was an Ogg
meta-header that was not itself a real substream, but a sort of
structured, heirarchical table of contents/multiplexed stream summary
that existed slightly outside/above the normal Ogg transport framework.  

Monty

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