Re: [Bluez-devel] Advanced Audio Distribution Profile (A2DP)

[Marcel Holtmann <marcel@holtmann.org>]

Hi Brad,

> > http://www.underbit.com/products/mad/
> > I think they have the fastest MP3 decoder at the moment.
> 
> wow, their fixed-point math looks great. Its range is about +/- 8.0 so I 
> just need to run some tests and make sure all the variables and 
> intermediate results stay in that range.

it should be, because MP3 and SBC are quite similar.

> in fact, I'd like to drop it in as-is, but is it a non-starter to have a 
> GPL component (mad_fixed_t etc) inside our LGPL library (libsbc)? Could 
> we just say that apps linked against the integer version of libsbc must 
> be GPL? Putting a requirement like this on users of the library wouldn't 
> be unprecedented.

I like to name it sbc_fixed_t. We need to re-implement everything by
ourself to match it to our needs. And we can of course put the complete
SBC library under GPL. We might use it only in GPL code anyway.

> argh. it's only a few pages of code but it's perfect for what we're 
> doing. did they dredge this out of a computer science algorithms 101 
> textbook perchance? :)

I have no idea.

Regards

Marcel




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