Re: XMMS and the new MP3 patent terms
On Wednesday 28 August 2002 11:11 pm, Craig Dickson wrote:
> nate wrote:
> > Has ogg solved the problem of requiring floating point execution
> > to decode(something like that). I remember reading that one of the
> > biggest obsticles of ogg getting adopted in portable players is a lot
> > of them are integer only, no floating point stuff, and at least at
> > the time ogg wasn't capable of this.
> There is a fixed-point integer-based Vorbis decoder. I don't recall
> whether it's freely available, much less GPL, but it does exist.
What is the point of having an integer-based implementation? AFAIK most
modern CPUs have SIMD instructions for single-precision floats (32 bit), so,
say, doing inner product, etc. on integer arrays may even be slower than
doing it on float arrays.