Re: [Caml-list] ANNOUNCE : libsndfile-ocaml alpha

[Richard Jones <rich@annexia.org>]

On Sun, Dec 31, 2006 at 03:23:05PM +1100, Erik de Castro Lopo wrote:
> But why is taht any better than the existing Sndfile read method
> which already returns an array of Ocmal floats. See:
> 
>      http://www.mega-nerd.com/libsndfile/Ocaml/Sndfile.html
> 
> which has:
> 
>     val sf_read : sndfile_t -> float array -> int
>     val sf_write : sndfile_t -> float array -> int
> 
> (well actually sndfile_t has been changed to Sndfile.t).
> 
> Since it is already possible to read Ocaml floats (which are normalised
> to the range [-1.0, 1.0]) why would anyone want to ready any other data
> type?

Two reasons I can think of[*]: (a) to avoid copying, (b) to make an
exact reproduction (without the conversion to and from float).

Rich.

[*] I haven't looked at the libsndfile code so I've no idea if they're
correct, but hey it's Sunday...

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