linux-kernel - Re: [RFC PATCH] media: Virtual camera driver

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Message-ID: <12828248.O9o76ZdvQC@natalenko.name>
Date: Sun, 01 Feb 2026 21:14:54 +0100
From: Oleksandr Natalenko <oleksandr@...alenko.name>
To: Laurent Pinchart <laurent.pinchart@...asonboard.com>
Cc: Jarkko Sakkinen <jarkko@...nel.org>, linux-media@...r.kernel.org,
 jani.nikula@...ux.intel.com, anisse@...ier.eu,
 Mauro Carvalho Chehab <mchehab@...nel.org>,
 Hans Verkuil <hverkuil@...nel.org>,
 Sakari Ailus <sakari.ailus@...ux.intel.com>,
 Jacopo Mondi <jacopo.mondi@...asonboard.com>,
 Ricardo Ribalda <ribalda@...omium.org>,
 open list <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH] media: Virtual camera driver

Hello.

On neděle 1. února 2026 21:06:49, středoevropský standardní čas Laurent Pinchart wrote:
> > There is a notable user base for v4l2-loopback. It is the defacto choice
> > for streaming phone cams.
> 
> This will then likely face the same hurdles as v4l2-loopback, the main
> one being that camera support should be upstreamed with proper drivers
> instead of a closed-source userspace daemon.
> 
> For phone cameras, the way forward upstream is libcamera. Until kernel
> drivers for ISPs are available, the soft ISP is a stop-gap solution. It
> recently gained GPU acceleration support (with work to improve image
> quality with additional algorithms ongoing).

My use-case for v4l2loopback is to stream a webcam from one machine to another (with the help of ffmpeg). Is this covered by something other than v4l2loopback now?

Thank you.

-- 
Oleksandr Natalenko, MSE
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