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_gerg...@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@haskell.org > http://www.haskell.org/mailman/listinfo/haskell-cafe >
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