From: Skip Tavakkolian <skip.tavakkolian@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] kw audio -- /dev/audio and friends
Date: Wed, 27 Oct 2010 13:07:42 -0700 [thread overview]
Message-ID: <AANLkTinRQK2L8bxN9LA=jnp1yVfEo8KM==CUGUg-+Gsy@mail.gmail.com> (raw)
In-Reply-To: <6CCD7B4C-B298-4F85-91CD-DCD750E946D9@9srv.net>
would it be hard to provide the backward compatibility via a user fs
-- at least until apps are updated to the new structure?
On Wed, Oct 27, 2010 at 11:58 AM, Anthony Sorace <a@9srv.net> wrote:
> I've misplaced my USB audio kit, but I'm reasonably sure I read from /dev/audio (and a cursory reading of the source suggests that ought to work). Is there any reason to do otherwise? I don't know what audioin is intended to buy. Given that it's never been in audio(3), I'm not sure it's important to support it.
>
> It's unfortunate that volume and audioctl don't support the same language. Don't add another. It's pretty easy to handle both; see /sys/src/cmd/usb/audio/audiofs.c. The one for audioctl is reasonably regular and comprehensive; it'd be nice to standardize our audio interfaces around that.
>
> I'm more interested in audiostat. I don't see that in the usb implementation, and I'm not clear on whether it could be provided there. Anyone know? Should audio programs treat that as optional?
>
> "deprecation" in unix is a mess, where things can stay "deprecated" for ages. it'd be nice to be able to say "/dev/volume (or /dev/eia0status) was a mistake; here's a backwards-compatible improvement, and the old stuff goes away in 6 months."
>
>
next prev parent reply other threads:[~2010-10-27 20:07 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-26 14:06 Tristan Plumb
2010-10-26 14:31 ` Russ Cox
2010-10-26 14:49 ` erik quanstrom
2010-10-27 12:30 ` Tristan Plumb
2010-10-27 12:50 ` Lucio De Re
2010-10-27 13:29 ` erik quanstrom
2010-10-27 14:15 ` Tristan Plumb
2010-10-27 18:58 ` Anthony Sorace
2010-10-27 20:07 ` Skip Tavakkolian [this message]
2010-10-27 21:05 ` David Leimbach
2010-10-28 0:11 ` Tristan Plumb
2010-10-28 3:01 ` Anthony Sorace
2010-10-28 7:53 ` yy
2010-10-28 12:38 ` Tristan Plumb
2010-10-28 13:07 ` Gorka Guardiola
2010-10-28 13:26 ` Tristan Plumb
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