Re: Kernel OSS vs ALSA
Kernel List (kernel@gladden-fields.demon.co.uk)
Fri, 15 Oct 1999 00:02:31 +0100
On Thu, Oct 14, 1999 at 03:56:07PM -0400, Michael Poole wrote:
> but most of all:
>
> * Why mix in software in a shared buffer if the hardware can mix from
> "enough" buffers by itself?
>
> In my opinion, any replacement (and most enhancement projects) for the
> current sound subsystem should provide multiple streams to userspace if
> the hardware supports it. Things like 3D support are considerably
> harder to devise an API for, but this should not be so hard.
>
ALSA already does this for cards that support multiple hardware
channels. For definate the Trident chipsets should work, though
I dont yet have one.
There was some talk on the ALSA list of having hardware mixing with
cards that allow it and fallback to alsa-lib userspace mixing if they
dont. No-one has yet placed any code for this sort of thing
yet though.
Graeme
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