[vorbis-dev] lacing values clarifications

Scott Wheeler wheeler at kde.org
Tue Jul 1 17:01:08 PDT 2003



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On Tuesday 01 July 2003 4:23, Michael Smith wrote:
> On Sunday 29 June 2003 12:14, Scott Wheeler wrote:
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> > I thought I would separate this out into a separate mail since it's not
> > comment specific stuff --
> >
> > There seem to be a couple of inconcistanies in the Ogg spec as regards to
> > lacing values:
> >
> > *) "The raw packet is logicaly divided into [n] 255 byte segments and a
> > last fractional segment of < 255 bytes."  However, in the wild, I've found
> > an example where the first lacing value (in this case out of 13) is less
> > than 255 (190 in the example I'm looking at).
>
> That indicates a 190 byte packet (plus whatever preceeded it in a previous
> page, if it's a continued page), followed by another packet.

Ah, ok -- as was hinted at in a previous mail I was missing some of the fine
points of packet / page definitions.  It's all starting to make a bit more
sense now.  :-)

Cheers,

- -Scott

- --
New Orleans food is as delicious as the less criminal forms of sin.
 --Mark Twain

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