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Re: sound no longer works for some programs

From: Tomas Bodzar <tomas.bodzar@xxxxxxxxx>
Date: Wed, 20 Oct 2010 11:08:46 +0300

On Tue, Oct 19, 2010 at 11:52 PM, Chris Turner
<c.turner@199technologies.org> wrote:
> Pierre Abbat wrote:
>> What's jackd?
> Jack is a sound server / time & transport sync patching setup designed
> mainly for audio production / music / etc - originally designed
> for linux but has since been made portable:
> http://jackaudio.org/
> It's nearly-OT but there's quite a bit about multimedia production / music
> for linux here http://linuxaudio.org/ btw - theoretically
> alot of this should work if the audio + midi layer can be made
> to work - and some of it already probably does
> a severly time-deprived side project of mine is trying to get
> as much of this stuff tested or working on DragonFly as I can.
> So far, I haven't done anything really -
> jack runs. I've gotten snd (https://ccrma.stanford.edu/software/snd/)
> to talk to it.
> although I didn't have enough SHM configured for jack,
> and it therefore didn't make sound -
> and dynamically setting SHM freaked out my dev box -
> I've subsequently been too involved with web stuff and
> to risk the crash..
> (see time-deprived)
>> Is MIDI I/O supported in the kernel? The driver is snd_ich; does that kind
>> of card support MIDI?
> no idea on this stuff - on my time-deprived todo list.
> There's some interesting stuff going on in OpenBSD w/r/t midi -
> see http://www.openbsd.org/faq/faq13.html#midi for an entry point -
> I think (haven't followed closely) thats mainly being driven by:
> http://www.caoua.org/midish/

It's not only about that. There is a LOT of improvements in audio on
OpenBSD http://undeadly.org/cgi?action=article&sid=20091012150452 .
These are worth of reading
http://www.openbsd.org/papers/asiabsdcon2010_sndio_slides.pdf ,
http://www.openbsd.org/papers/asiabsdcon2010_sndio.pdf and that
 is working wonderfully

> also, according to my latest pkgsrc builds, some of the linux 'alsa' layer
> has been made user-space, so theoretically some software-side stuff might
> work.
> I'm overdue on some wiki edits - will retest & type something
> up on what I have when I do that
> perhaps anyone else interested in audio/media production on DF
> should sound off here so we know who to pester :)
> cheers
> - Chris

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