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Re: VirtioSound device emulation implementation

From: Shreyansh Chouhan
Subject: Re: VirtioSound device emulation implementation
Date: Fri, 8 Jan 2021 13:23:56 +0530

On Thu, 7 Jan 2021 at 22:49, Alex Bennée <alex.bennee@linaro.org> wrote:

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

> 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
>> moment.
> 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.

Is this one of the QEMU internship projects?
Yes, it is one of the GSoC projects.

> 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.

I think it implies having the entire emulation in-QEMU.
I see, after reading yours and Gerd's response, I think I will study/think about
the implementation details and then decide which will be the best route for

> What do you suggest?
> cc Gerd Hoffman
>> --
>> Alex Bennée

Alex Bennée

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