From alsa-devel-owner@alsa.jcu.cz  Mon Nov 16 12:43:30 1998
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	Mon, 16 Nov 1998 12:43:15 +0100
Date: Mon, 16 Nov 1998 12:43:15 +0100 (CET)
From: Jaroslav Kysela <perex@jcu.cz>
To: Thomas Sailer <sailer@ife.ee.ethz.ch>
cc: alsa-devel@jcu.cz
Subject: Re: vid4linux/bttv sound support?
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On Mon, 16 Nov 1998, Thomas Sailer wrote:

> Brendan Bartlett wrote:
> 
> >  I am using a BT848 frame grabber card under linux and I'm not getting any
> > sound with the ALSA drivers.  Most probably because the bt848 code wants
> > to talk to low-level OSS drivers.  (modprobe msp3400 [the stereo module]
> > loads sound.o and sound.o.  Even with snd-pcm1-oss.o loaded, I get no
> > sound).
> 
> Yep, that's because older BTTV's want to present a mixer device
> to applications and do this via OSS hooks. Newer versions
> of msp3400 do this using the soundcore hooks, and therefore
> neither depend on OSS nor ALSA.

It isn't very true. Maybe better term is OSS soundcore which allows hooks
for devices which uses OSS API, thus this isn't very useable for native
devices for ALSA driver.

							Jaroslav

-----
Jaroslav Kysela <perex@jcu.cz>
Academic Computer Centre, University of South Bohemia
Branisovska 31, C. Budejovice, CZ-370 05 Czech Republic


