[linux-audio-dev] alsa mixing

Marc-André Lureau marcandre.lureau at gmail.com
Wed Jan 10 16:16:49 UTC 2007

On 1/10/07, Jussi Laako <jussi.laako at pp.inet.fi> wrote:
> Paul Davis wrote:
> > welcome to winmodem for audio ...
> Well, in this particular case, let's just see what the generic user out
> there probably has. In quite a lot of cases it's some SoundBlaster
> Audigy2 or X-Fi variant which both have somewhat extensive signal

Well, not everyone. But given that the desktop station as to sell new/better
products, I would say this is still a marketing argument for any vendor.
But for the laptop (and most of the developers, who run laptops and don't
have money, and don't care too much), they probably have a very limited chip
that does not do hw mixing.

And what about HDA? Every laptop will soon support HDA. Does it means we
will have more hw mixing? As I said, it seems to be a marketing argument for
these technologies.

Currently the thing we really are missing on Linux is HAL support for
> something like OpenAL w/ EFX (or some DirectSound3D-for-Linux type
> thing). Having this is somewhat crucial for game development. This is
> also something OpenSL ES (http://www.khronos.org/opensles/) is trying to
> address on embedded area.

 I feel the same, even if I would not criticize ALSA, which does "its-job".
But the initial question sounded more like a gentle request for current
status/state of art in linux audio. No offense here :)

Good luck to the next Allegro Audio API - that is an excellent initiative
(btw, you should consider a wrapper on top of PortAudio, i would suggest).

Marc-André Lureau, GSmartMix
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