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Re: [Qemu-discuss] Understanding -audiodev and its id parameter


From: Aaron Lauterer
Subject: Re: [Qemu-discuss] Understanding -audiodev and its id parameter
Date: Tue, 23 Jul 2019 17:09:08 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0



On 7/23/19 4:19 PM, Maxim Levitsky wrote:
On Tue, 2019-07-23 at 12:19 +0200, Aaron Lauterer wrote:
Hi,

I am trying to understand the new -audiodev option. In particular its
"id" parameter.

Is there anything to consider when choosing a name for it? Any other
device or option that may reference it?

What I mean is that for example when adding a sound device such as
"intel-hda" with the -device option the "id" defined for it is used in
the "bus" parameter for a connected "hda-duplex" device.

Thanks!
---
Aaron


I think that currently it is not used other that like an device ID, since all 
the hw audio devices, like
that hda-duplex use the global audiodev, like before the patches that added the 
audiodev in first place.

However there are patches under review that will allow hw audio devices select 
which
audiodev to use, even expose multiple audio devices this way
(why not to have a hda controller, with two codecs attached? :-)


Best regards,
        Maxim Levitsky




Thanks for confirming my suspicion and for hinting at the patches :)




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