[linux-audio-user] hardware mixing - what it _actually_ is?

Dmitry Baikov dsbaikov at gmail.com
Mon Jan 22 16:56:02 EST 2007


On 1/23/07, Lee Revell <rlrevell at joe-job.com> wrote:
> I don't have the hardware to check, but judging from the driver code
> this device does not support hardware mixing - the call to
> snd_pcm_new() in snd_hdsp_create_pcm() from hdsp.c specifies 1
> playback and 1 capture substream.

Yes, but it can play 18 pcm channels at once (Multiface at least) and
can mix them and all inputs into any output ports.
And not only hdsp, but all Echo Audio cards (8-pcm channels) and all
Envy24-based cards.

But, seems, it is not hw-mixing for alsa.

Dmitry.



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