Re: [virtio-dev] [PATCH] content: reserve device ID 43 for Camera device

[Hrishivarya Bhageeradhan <Hrishivarya.Bhageeradhan@opensynergy.com>]

Hi Huck,

The virtio-camera is intended to support all hardware camera formats, conversion from one format to another, camera identification (front camera, rear camera, etc.).

The main idea here is to control the streaming of video from the physical camera.

The virtio-camera is another device which has its own functionality as mentioned which is different from encoder/decoder devices.

Best Regards,

Hrishivarya

---

From: Cornelia Huck <cohuck@redhat.com>
Sent: Friday, October 21, 2022 2:12 PM
To: Hrishivarya Bhageeradhan <Hrishivarya.Bhageeradhan@opensynergy.com>; virtio-dev@lists.oasis-open.org <virtio-dev@lists.oasis-open.org>; Hrishivarya Bhageeradhan <Hrishivarya.Bhageeradhan@opensynergy.com>
Subject: Re: [virtio-dev] [PATCH] content: reserve device ID 43 for Camera device

 

On Fri, Oct 14 2022, hrishivarya.bhageeradhan@opensynergy.com wrote:

> From: Hrishivarya Bhageeradhan <hrishivarya.bhageeradhan@opensynergy.com>
>
> The virtio-camera device allows to stream a camera video with
> ability to change controls, formats and get camera captures.
> This patch is to reserve the next available device ID for
> virtio-camera.

Does this device relate in any way to the already reserved video
{en,de}coder devices (ids 30, 31)? Or is this intended to more actively
control how a physical camera processes video?

[The video devices 30 and 31 do not have a specification included in the
virtio spec, unfortunately.]

>
> Signed-off-by: Hrishivarya Bhageeradhan <hrishivarya.bhageeradhan@opensynergy.com>
> ---
>  content.tex | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/content.tex b/content.tex
> index e863709..91ba76c 100644
> --- a/content.tex
> +++ b/content.tex
> @@ -2990,6 +2990,8 @@ \chapter{Device Types}\label{sec:Device Types}
>  \hline
>  42         &   RDMA device \\
>  \hline
> +43         &   Camera device \\
> +\hline
>  \end{tabular}
>
>  Some of the devices above are unspecified by this document,

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