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Date:      Mon, 15 Sep 2008 21:02:45 +0200
From:      "army.of.root@googlemail.com" <army.of.root@googlemail.com>
To:        Alexander Motin <mav@FreeBSD.org>
Cc:        freebsd-multimedia@FreeBSD.org, Alexander Leidinger <Alexander@Leidinger.net>, freebsd-current@freebsd.org, ariff@freebsd.org
Subject:   Re: New snd_hda driver came in.
Message-ID:  <48CEB155.1020800@googlemail.com>
In-Reply-To: <48CC0867.9020208@FreeBSD.org>
References:  <48CBF399.9080801@FreeBSD.org> <20080913201513.71995150@deskjail> <48CC0867.9020208@FreeBSD.org>

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Alexander Motin schrieb:
> Alexander Leidinger wrote:
>>> New driver supports digital PCM playback and AC3 pass-through. I am 
>>> not sure about completeness of this implementation, but I have 
>>> several success stories including my own. Vchans subsystem does not 
>>> support AC3 pass-through so it had to be disabled for that devices 
>>> at this moment.
>>
>> As vchans is our internal many-to-one (physical output) mixer, and the
>> fact that digital out can be anything (PCM, AC3, ...) I think a
>> sensible default for vchans would be to ignore digital interfaces. I
>> don't know if this is easy to do or not.
>
> As soon as AC3 is a separate stream format and vchans has info about 
> it, better solution would be to make vchans mute other streams, switch 
> hardware device to the AC3 stream sample rate and pass it though. For 
> usual PCM streams in such case mixing would work as before, that would 
> be good.
>
Is there a chance for an inofficial backport to 7 ? I really would like 
microphone rec to work with my HDA-Controller.

Many Thanks for the great work! I love FreeBSD :)



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