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Re: VirtioSound device emulation implementation

From: Shreyansh Chouhan
Subject: Re: VirtioSound device emulation implementation
Date: Thu, 7 Jan 2021 20:28:11 +0530

On Wed, 6 Jan 2021 at 17:12, Alex Bennée <alex.bennee@linaro.org> wrote:

Shreyansh Chouhan <chouhan.shreyansh2702@gmail.com> writes:

> Hey everyone!
> I want to work on implementing the emulation for the VritioSound device. I
> contacted the mentor for the project, (Greg), who said it's fine and that I
> should declare it on the mailing list in order to find out if someone else
> is already working on this project. That is what this mail is for. I tried
> searching for "Virtio", "Sound", and "VirtioSound" in the qemu-devel
> mailing archives but couldn't find anything. If someone is already working
> on it, please let me know, and if not then I'll start working on it right
> away.

I'm not working on it but please feel free to CC me on discussion and
patches. I have a general interest on Virtio IO implementations at the

Sure! (Though I should mention that I do not know a lot about the virtio
architecture yet. I am still reading up about it. So most of my mails might
be (silly) queries. Though I hope to learn about it soon and send in
some patches and tests :)

Are you planning to make it an in-QEMU device or maybe a external
vhost-user daemon?

The project page states that we need to use the QEMU audio subsystem
for playing and capturing audio samples. I am not entirely sure if this implies
that the device should be an in-QEMU device or if it could be an external daemon.
What do you suggest?

cc Gerd Hoffman


Alex Bennée

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