[vorbis-dev] Vorbis memory consumption

Segher Boessenkool segher at chello.nl
Tue Jan 15 21:39:59 PST 2002



> Vorbis need not use so much decode memory, but our code happens to do
> so.  Drastically reducing memory usage would mostly require
> redesigning how the codebook code unpacks codebooks; now that Vorbis
> officially encourages only lattice VQ, there's no reason to have a
> N-dimensional codebook fully always unpacked into an array of size
> values^N.
> 
> (This is the cause of most of the large footprint)

The actual huffman decode tree is even bigger...

<p>Segher

<p>--- >8 ----
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