[theora-dev] More Missing Pieces

[Dan Miller]

> From: Mike Melanson [mailto:melanson at pcisys.net]
...
> 	Will the token tables be transported as frequency 
> histograms as is
> done in the current source? That means:
> 
>   80 tables * 32 freqs/table * 2 bytes/freq = 5120 bytes
> 
yes, that's how it's being done.  If it isn't checked in, I can send the patch to you.

> Okay, I guess I see where you're coming from. If someone were 
> to try to
> encapsulate this data in an AVI, ASF, or MOV file (just in case Ogg
> adoption doesn't take off right away), I guess it would need 
> to go inside
> the video header?

umm, that's a good question.  I guess it's the same problem as with Vorbis; I hadn't really thought about this.  I think all these formats have some sort of codec-specific stream header data, don't they?
> 
> > I suppose we could put in a "VP3-compat" flag, but it 
> seemed easier to just shove the VP3 tables in if you want 
> them -- among other things, you could remove these tables 
> from the binaries.
> 
> 	But there is still the minor issue of compatibility with VP3
> streams which necessitates the inclusion of the classic tables.

Only if you want a binary that does both.  The cases I'm envisioning would be embedded apps where that probably wouldn't be an issue.

-dan
> 
> 	Thanks...
> --
> 	-Mike Melanson
> 
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