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Date:      Tue, 25 Apr 2000 11:32:09 -0400
From:      Alexander Matey <matey@cis.ohio-state.edu>
To:        Maxim Sobolev <sobomax@altavista.net>
Cc:        Thomas Gellekum <tg@melaten.rwth-aachen.de>, Cameron Grant <cg@FreeBSD.ORG>, freebsd-multimedia@FreeBSD.ORG
Subject:   Re: cvs commit: src/sys/dev/sound/pcm channel.c channel.h dsp.c
Message-ID:  <20000425113209.A33037@cis.ohio-state.edu>
In-Reply-To: <39055176.25A5AE68@altavista.net>; from sobomax@altavista.net on Tue, Apr 25, 2000 at 11:04:06AM %2B0300
References:  <200004231809.LAA27975@freefall.freebsd.org> <kq8zy2lije.fsf@cip12.melaten.rwth-aachen.de> <39055176.25A5AE68@altavista.net>

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On Tue, Apr 25, 2000 at 11:04:06AM +0300, Maxim Sobolev wrote:
> > > cg          2000/04/23 11:09:19 PDT
> > >
> > >   Modified files:
> > >     sys/dev/sound/pcm    channel.c channel.h dsp.c
> >
> > Which reminds me: could someone implement the SNDCTL_DSP_CHANNELS
> > ioctl? The audio module in the next Python release wants it and I
> > know nothing about sound.
> 
> You can replace it with SOUND_PCM_WRITE_CHANNELS (I've tested it in SDL1.1 and
> it seems work). Anyway AFAIK tehere is no drivers in FreeBSD supporting more
> than 2 channels.

Actually there is one - t4dwave.c. By looking at the source I can say that it
claims to support 4 playback channels. 

But the thing is that right now one isn't able to use more than 1 of these 
channels anyway because of the way sound.c constructs device minors. I sent
cg@ description of the problem along with a simple patch that fixes this 
about 3 weeks ago but he seems to be unresponsive so far.

> 
> -Maxim
> 

-- 
lx


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