[theora-dev] Identification Header

Nuwan Millawitiya millawitiya at gmail.com
Thu Feb 7 05:08:01 PST 2008


Hi Michael,

Thank you..............
I got the point.

On Feb 7, 2008 3:01 PM, Michael Smith <msmith at xiph.org> wrote:

> Hi Nuwan,
>
> I think you're just misunderstanding the meaning of some of these tables.
>
> Figure 6.2 is a graphical representation of this bitstream, and the
> text of section 6.2 describes precisely how to decode it.
>
> The table you refer to (pages 40-41) is, as the header says, the
> output parameters of this procedure - NSBS, for example, can be
> calculated from other values that _are_ read from the bitstream, so it
> isn't explicitly present there.
>
> Mike
>
> On Feb 7, 2008 9:19 AM, Nuwan Millawitiya <millawitiya at gmail.com> wrote:
> >  Hi,
> >        While creating identification header in the function
> > theora_encode_header in encoder_toplevel.c, it assigns bits not
> mentioned in
> > the current theora spec released on Octomber 29, 2007 (page 40 &41).
> >
> >        But this implementation in function theora_encode_header is
> correct
> > according to the  Figure 6.2  (page 42). But not according to the table
> > mentioned in pages 40 & 41.
> >
> >         For example, in spec it has mentioed header has NSBS (use 32
> bits).
> > But  it has not implemented in theora_encode_header.
> >
> > What is the reason?
> > What is happening here?
> >
> >
> > --
> > Nuwan Millawitiya
> > _______________________________________________
> > theora-dev mailing list
> > theora-dev at xiph.org
> > http://lists.xiph.org/mailman/listinfo/theora-dev
> >
> >
>



-- 
Nuwan Millawitiya
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