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Re: [Qemu-devel] [PATCH 4/4] [RfC] audio: probe audio drivers by default

From: Daniel P . Berrangé
Subject: Re: [Qemu-devel] [PATCH 4/4] [RfC] audio: probe audio drivers by default
Date: Wed, 23 Jan 2019 10:12:38 +0000
User-agent: Mutt/1.10.1 (2018-07-13)

On Wed, Jan 23, 2019 at 10:50:18AM +0100, Thomas Huth wrote:
> On 2019-01-23 10:36, Daniel P. Berrangé wrote:
> > On Wed, Jan 23, 2019 at 09:27:48AM +0100, Thomas Huth wrote:
> >> On 2019-01-23 09:00, Gerd Hoffmann wrote:
> >>>
> >>> This is RfC because we might look at the ordering.  On linux we probably
> >>> want prefer alsa over oss.
> >> Yes, please! I've run into the trap a couple of times already: OSS
> >> headers were available, but these days the OSS compatibility kernel
> >> modules are not loaded anymore by default. So you compile QEMU with OSS
> >> support and then wonder why you do not get any audio output at all...
> >>
> >> IMHO we should put OSS as last item in the list on Linux nowadays.
> > 
> > Given our targetted platform list[1], are there even any platforms
> > where we would *not* have alsa, but still have OSS ?  If not, then
> > we could just drop the OSS driver entirely on the ground that it is
> > obsolete.
> We likely could drop OSS on Linux, but it is still required on FreeBSD
> and NetBSD, isn't it? So unless we can drop it there, too, we can also
> simply keep it as last option in the list on Linux as well.

Ah ok, I didn't realize that BSD implemneted the OSS subsystem too.

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