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

From: Kamil Rytarowski
Subject: Re: [Qemu-devel] [PATCH 4/4] [RfC] audio: probe audio drivers by default
Date: Wed, 23 Jan 2019 11:16:35 +0100
User-agent: Mozilla/5.0 (X11; NetBSD amd64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1

On 23.01.2019 10:50, 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.
>  Thomas

NetBSD supports OSS compat without plans for abandoning it as it's a
good enough solution for desktop applications. Porting to our native
audio (SunOS) backend does not win much/anything as of now.

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