[gentoo-user] x11 display as v4l device

[gentoo-user] x11 display as v4l device

[Arturo 'Buanzo' Busleiman]

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Hi!

Does anybody know if there is some driver+tools that could present an x11 display as a v4l device?

SOmething like what x11vnc does, but instead of being able to see the display x11vnc attached to via
vnc, been able to see it as a local v4l device.

That is:

1) run x11v4l
2) now all v4l aware applications can see that same screen.

Any ideas? Pointers? Insults? :)

- --
Arturo "Buanzo" Busleiman - Consultor Independiente en Seguridad Informatica
¿No sabés a dónde ir a comer o tomar algo? Visitá www.vivamoslavida.com.ar

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Re: [gentoo-user] x11 display as v4l device

[Hans-Werner Hilse]

Hi,

On Sat, 20 Jan 2007 22:18:20 -0300
"Arturo 'Buanzo' Busleiman" <buanzo@buanzo.com.ar> wrote:

> Does anybody know if there is some driver+tools that could present an
> x11 display as a v4l device?

Probably not. Since V4L is a kernel interface, you would need a dummy
driver in the kernel. Probably the easiest way to archieve what you
want is to write a module that provides a v4l interface to a dummy
framebuffer. Not that I'm volunteering...


-hwh
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Re: [gentoo-user] x11 display as v4l device

[Arturo 'Buanzo' Busleiman]

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Hans-Werner Hilse wrote:
> Probably not. Since V4L is a kernel interface, you would need a dummy
> driver in the kernel. Probably the easiest way to archieve what you
> want is to write a module that provides a v4l interface to a dummy
> framebuffer. Not that I'm volunteering...

It seems I'll have to write it, or pay someone to do it. If anyone's willing, let me know.

- --
Arturo "Buanzo" Busleiman - Consultor Independiente en Seguridad Informatica
¿No sabés a dónde ir a comer o tomar algo? Visitá www.vivamoslavida.com.ar

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Re: [gentoo-user] x11 display as v4l device

[Hans-Werner Hilse]

Hi again,

On Sun, 21 Jan 2007 11:38:47 -0300
"Arturo 'Buanzo' Busleiman" <buanzo@buanzo.com.ar> wrote:

> Hans-Werner Hilse wrote:
> > Probably not. Since V4L is a kernel interface, you would need a dummy
> > driver in the kernel. Probably the easiest way to archieve what you
> > want is to write a module that provides a v4l interface to a dummy
> > framebuffer. Not that I'm volunteering...
> 
> It seems I'll have to write it, or pay someone to do it. If anyone's willing, let me know.

I thought about this thing. I can't image what you're actually trying
to archieve. Is this for recording? Streaming/broadcasting? Why does
v4l compatibility matter? Maybe mpeg-out would be sufficient, or even a
raw video stream (i.e. by other means than v4l).

-hwh
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Re: [gentoo-user] x11 display as v4l device

[Arturo 'Buanzo' Busleiman]

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Hans-Werner Hilse wrote:
> I thought about this thing. I can't image what you're actually trying
> to archieve. Is this for recording? Streaming/broadcasting? Why does
> v4l compatibility matter? Maybe mpeg-out would be sufficient, or even a
> raw video stream (i.e. by other means than v4l).

Because Flash for Linux supports "webcam streaming". And, as I want to stream the screen and avoid
not using flash (as I have a strong feeling it's gonna be open sourced soon), then having my screen
display be viewable from flash as a webcam seems the most logical solution.

Of course, I am fully open to suggestions. I've read about x11-drivers/xf86-video-v4l. Any comments?

- --
Arturo "Buanzo" Busleiman - Consultor Independiente en Seguridad Informatica
¿No sabés a dónde ir a comer o tomar algo? Visitá www.vivamoslavida.com.ar

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