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Date:      Wed, 09 Jan 2002 09:32:06 -0800
From:      Orion Hodson <hodson@icir.org>
To:        thomas@cuivre.fr.eu.org
Cc:        Bruce Montague <brucem@cse.iitkgp.ernet.in>, freebsd-multimedia@freebsd.org
Subject:   Re: ohphone, snd_pcm/snd_ich, 5.0-current* 
Message-ID:  <200201091732.g09HW6U12284@mule.icir.org>
In-Reply-To: Message from Thomas Quinot <thomas@cuivre.fr.eu.org>  of "Wed, 09 Jan 2002 17:54:42 %2B0100." <20020109175442.A4646@melusine.cuivre.fr.eu.org> 

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In message <20020109175442.A4646@melusine.cuivre.fr.eu.org>,Thomas Quinot=
 write
s:
> Le 2001-12-17, Bruce Montague =E9crivait :
> =

> > Ohphone sounds like its trying to play 8-bit samples with the
> > driver set to 16-bit, or with completely different formats...
> =

> Bruce,
> =

> I have exactly the same problem here on a Intel 82801AA (ICH)
> (Dell Optiplex GX200). The problem you are seeing with wavrec
> is probably related: although wavrec requests the device to
> switch to mono, it still gets stereo data. I have opened a PR
> on that issue: kern/33707.

The ICH chipsets have a fixed format: stereo, linear16.  The OS on these =

systems is supposed to handle conversion to other formats.  Currently, th=
e =

feederchain builder that freebsd uses is broken for recording channels, s=
o =

recording is limited to h/w native formats.

- Orion




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