Re: Re: Virtual video device?

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Do you know vloopback device ?
I dont remember the exact URL, but I think its related to motion project.

Regards


----- Original Message -----
From: "Dag B" <comdot@xxxxxxxxxxxxx>
To: <video4linux-list@xxxxxxxxxx>; <fusd-devel@xxxxxx>
Sent: Thursday, December 13, 2001 1:19 PM
Subject:  Re: Virtual video device?


> Tue, 11 Dec 2001 14:39:22 -0500 - bacterium@xxxxxxx
> > Hello.
> > Would it be possible to write a virtual video device (i.e. no hardware)
> > that would take a series of frames and dump them to /dev/video as a
> > video sequence which could then be viewed by another app? Has anyone
> > already done this? Any hints on how I could do this? (Source code
> > samples appreciated.) Ideally, it would be done without a kernel module
> > (i.e. in user space). The v4l api draft isn't terribly descriptive.
> >
> > Thanx,
> > Adrian.
>
> You can create a user-space *anything* which reacts to
> read/write/open/close/ioctl just as any hardware device with the help of
> FUSD.
>
> For example create a userspace soundcard which does audioprocessing your
real
> hardware isn't capable of. The userspace process uses FUSD to create
whatever
> devicefiles it needs.
>
> Some overhead must be expected, so high-bandwidth applications needs more
> hardware. Latency may also become an issue.
>
> See:
> http://www.circlemud.org/~jelson/software/fusd/
>
> Dag B
>
>
>
> _______________________________________________
> Video4linux-list mailing list
> Video4linux-list@xxxxxxxxxx
> https://listman.redhat.com/mailman/listinfo/video4linux-list
>





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