Re: [RFC PATCH] media: Virtual camera driver

[Jarkko Sakkinen <jarkko@kernel.org>]

On Mon, Feb 02, 2026 at 11:05:52AM +0200, Jarkko Sakkinen wrote:
> On Mon, Feb 02, 2026 at 02:02:14AM +0100, Mauro Carvalho Chehab wrote:
> > On Mon, 02 Feb 2026 00:25:37 +0100
> > Oleksandr Natalenko <oleksandr@natalenko.name> wrote:
> > 
> > > Date: Mon, 02 Feb 2026 00:25:37 +0100
> > > From: Oleksandr Natalenko <oleksandr@natalenko.name>
> > > To: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
> > > Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>, Jarkko Sakkinen <jarkko@kernel.org>, linux-media@vger.kernel.org, jani.nikula@linux.intel.com, anisse@astier.eu, Mauro Carvalho Chehab <mchehab@kernel.org>, Hans Verkuil <hverkuil@kernel.org>, Sakari Ailus <sakari.ailus@linux.intel.com>, Jacopo Mondi <jacopo.mondi@ideasonboard.com>, Ricardo Ribalda <ribalda@chromium.org>, open list <linux-kernel@vger.kernel.org>
> > > Message-ID: <13939245.uLZWGnKmhe@natalenko.name>
> > > 
> > > On pondělí 2. února 2026 0:17:20, středoevropský standardní čas Mauro Carvalho Chehab wrote:
> > > > No. At the machine with the camera, obs can read from a V4L2 input,
> > > > generate a mpeg TS stream, and listen to a UDP port (for instance). 
> > > > 
> > > > At the remote machine, you can just pass the URL to ffmpeg.  
> > > 
> > > I can't, I have to feed the stream into Firefox somehow for it to see the stream as a virtual webcam.
> > 
> > Motioneye could be used on such scenario. It has a proper web
> > interface, allows multiple users to watch, has login control accepts
> > multiple cameras.
> 
> When proposed workarounds move in the area of motion detection systems
> it feels like there was a competion who invents the most impractical
> solution for a practical real-world problem out in the wild.

A trivial Google search shows that the scope of the issue, which is
also (on emphasis) a security issue, and net effect that is caused
of not addressing it properly.

> 
> > 
> > Thanks,
> > Mauro


BR, Jarkko