Re: [linux-audio-dev] Csound & ALSA support: a call for assistance

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Subject: Re: [linux-audio-dev] Csound & ALSA support: a call for assistance
From: Erik Steffl (esteffl_AT_pbi.net)
Date: Wed Sep 06 2000 - 19:58:54 EEST


  Dave,

  is the code with your changes available? I am not sure what I'll be
able to do but I would like to at least take a look at it (btw are they
planning to add few hours to a day yet? :-)

        erik

Dave Phillips wrote:
>
> Greetings:
>
> The unofficial Csound package includes Fred Floberg's code for
> supporting the ALSA drivers. The code enabled two soundcards to be used
> for separated i/o, but alas the code no longer works.
>
> The ALSA API has changed quite a bit since Fred's original work. I've
> made some of the necessary updates, and I can get it to compile, but
> Csound dies with the informative message "Input/output error" when I try
> to run it. ALSA OSS emulation works perfectly (i.e., if you don't select
> --with-ALSA as a configuration option).
>
> Fernando Lopez is working on the ALSA support for Snd. He has suggested
> that my particular card (an SBLive Value) may be causing this grief
> because it wants all of its capture devices opened to enable input. I'm
> not sure how I would do that, but I'm certainly willing to show my crappy
> work to anyone who really knows what they're doing in C. I would love to
> have native ALSA support in Csound again, especially since I have two
> soundcards active under the ALSA 0.5.9b drivers.
>
> I believe that something like this needs to take place: Cards are probed
> for capabilities, conditional tests take place, relevant devices are
> opened and closed properly. Am I missing something ?
>
> Anyway, consider this message a call for participation. Actually I'd be
> more than happy to turn this project over to someone who can seriously
> code. I'll trade guitar lessons for the reworked code ! ;)
>
> Best regards,
>
> == Dave Phillips
>
> http://www.bright.net/~dlphilp/index.html
> http://www.bright.net/~dlphilp/linuxsound/


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