[Ffmpeg-devel] [PATCH] Vorbis decoder

Balatoni Denes dbalatoni
Thu May 12 20:05:24 CEST 2005


2005. m?jus 12. 18.26-kor Mike Melanson ezeket a bolcs gondolatokat fogalmazta 
> Balatoni Denes wrote:
> > allows 48 bits of precision, and in fact tremor uses an optimized
> > floating point implementation (the idea: many numbers share the same
> > exponent). In practice however (looking at the current encoder) 32 bits
> > are more than enough for the decoder, but this could change.
> 	I fail to remember which step in the decoding recipe mentions it (dot
> product?), but I know that the Vorbis decoder spec notes that the
> product of one particular multiplication can overflow a 32-bit variable.

Exactly. But it doesn't with streams from any recent vorbis encoder.

> --
> 	-Mike Melanson

- Use the Source Luke ! -

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