[Haskell-cafe] Low Level Audio - Writing bytes to the sound card?

M Xyz functionallyharmonious at yahoo.com
Fri Dec 4 14:49:49 EST 2009

> if you get it to work

As a spoiled Java programmer, this new role as pioneer is a bit intimidating, but I will give it a shot. :) 

I downloaded the portaudio v19 source and I'm attempting to build it. Apparently I have to register my Visual Studio Express with Microsoft. Deeper down the rabbit hole... (Interesting aside, on the registration form under "What programming language topics are you interested in?" neither F# or Haskell are listed)

I wish there was a multimedia standard library for beginners like me. Writing audio to the speakers shouldn't be such a journey.

You'll have to install the portaudio C libraries and header files before continuing. I never actually tested the package on XP, if you get it to work, I'd love to hear your experience.

On Fri, Dec 4, 2009 at 2:20 PM, M Xyz <functionallyharmonious at yahoo.com> wrote:


portaudio is my embarrassing fault, but it does work most of the time. (Community, some one remind me to revisit this package after Christmas.)
Are you running in Windows? Linux? If Linux, which flavor?


I'm using Haskell on XP but I dual boot with Ubuntu 9 and I'd prefer not to break compatibility. I'm new to this, was I supposed to install portaudio for my OS before downloading the Haskell package? Are there other similar simple sound apis?

On Fri, Dec 4, 2009 at 1:51 PM, M Xyz <functionallyharmonious at yahoo.com> wrote:

What is the most minimal (preferably platform independent) library available for writing bytes to the sound card? I see 60 wonderful libraries on Hackage, but I really just need the Haskell equivalent of an audio.write(byte[]) method. What sound api are these 60 libraries using?

I think the portaudio library is the only contender but when I try to install it I get:

>cabal install portaudio
Resolving dependencies...
Downloading portaudio-0.0.1...
Configuring portaudio-0.0.1...

cabal: Missing dependency on a foreign library:
* Missing C library: portaudio
This problem can usually be solved by installing the system package that
provides this library (you may need the "-dev" version). If the library is

already installed but in a non-standard location then you can use the flags
--extra-include-dirs= and
 --extra-lib-dirs= to specify where it is.
cabal: Error: some packages failed to install:
portaudio-0.0.1 failed during the configure step. The exception was:
exit: ExitFailure 1


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