Re: [alsa-devel] Re: ANNOUNCE: big change in PCM kernel API

From: Dan Hollis (goemon@sasami.anime.net)
Date: Sat Jan 08 2000 - 19:10:48 EST


On Sat, 8 Jan 2000, Alan Cox wrote:
> The OSS API appears to be making a subtle change for 2.4, not one I planned
> but one that several groups arrived at and which I can't find an application
> that breaks from.
>
> On the new trident driver and on the SB Live! driver opening /dev/dsp gets
> you a new free channel if there are any free channels on the card.
>
> Both drivers get the locking wrong right now (hint - need to drop the inode
> lock as they share the inode and one sleeping on a write locks out the other)
> but the API change seems sane and I think we should tweak other cards with
> many channels to do the same (eg the ESS Maestro)
>
> Views from the ALSA side ?

ALSA already does this for the OSS emulation and has for some time. You
can run mpg123 / amp / wavplay multiple times on Trident cards using OSS
emulation under ALSA.

-Dan

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