[Haskell-cafe] ANN: Hemkay, the 100% Haskell MOD player

[John Van Enk]

It's been well over a year. I'll see what I can do when I get some free(er)
time.

2009/12/14 Patai Gergely <patai_gergely at fastmail.fm>

> > The more of these I see, the more guilt I feel over the condition of the
> > portaudio module. There's a good chance that the performance issue you're
> > seeing is a bad implementation of the portaudio library. Do you have any
> > specific problems you ran into with portaudio? I'd love to revisit at
> > some point...
> Well, when I tried to push whole blocks instead of individual samples,
> it seemed to miss some of these writes. It might do the same even now,
> but it wouldn't be noticeable with a sample missing here and there
> anyway.
>
> The interface for writeStream is not very fortunate. It forces me to
> pack samples into lists no matter what, even if the interleaved list is
> actually easier to produce. So it should probably provide alternative
> interfaces for interleaved lists (which would actually be possible right
> away if writeStream didn't ignore its third argument altogether), and
> maybe an array interface as well. I don't know if the callback interface
> works better, maybe that's also worth a shot.
>
> Ultimately, it would be probably best if it gave the programmer a higher
> abstraction, where it is passed a potentially infinite list of samples,
> and takes care of all the buffering duties. Also, this could be made to
> play nice with stream fusion in order to get the maximum performance out
> of it.
>
> Gergely
>
> --
> http://www.fastmail.fm - One of many happy users:
>  http://www.fastmail.fm/docs/quotes.html
>
> _______________________________________________
> Haskell-Cafe mailing list
> Haskell-Cafe at haskell.org
> http://www.haskell.org/mailman/listinfo/haskell-cafe
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://www.haskell.org/pipermail/haskell-cafe/attachments/20091214/a8abf869/attachment.html