New snd_hda driver came in.

army.of.root at army.of.root at
Mon Sep 15 19:23:37 UTC 2008

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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