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creating a new device

DISCUSSION Norman Specht 3 participants 3 messages Dec 19, 2008 Media (V4L/DVB)

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#0 lore raw

Hi,

i'm trying to develop a image preprocessor which takes the image from a webcam (e.g /dev/video0), modifies it and render it to a second device (e.g /dev/myVideo0).

Grabbing the picture from the webcam isn't the problem but my problem is: How can i create a device which behaves like a webcam?

I'm running a ubuntu 8.10, and i tried including the kernel headers (media/v4l2-common.h, etc.) in many different ways to make my g++ compile my program. Is there some special way to do this?

Bye

Norman Specht

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#1 lore raw
Quoted 9 lines · Norman Specht

Hi,

i'm trying to develop a image preprocessor which takes the image from a webcam (e.g /dev/video0), modifies it and render it to a second device (e.g /dev/myVideo0).

Grabbing the picture from the webcam isn't the problem but my problem is: How can i create a device which behaves like a webcam?

I'm running a ubuntu 8.10, and i tried including the kernel headers (media/v4l2-common.h, etc.) in many different ways to make my g++ compile my program. Is there some special way to do this?

google for dvbloopback..

Thanks

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#2 lore raw
Quoted 7 lines · Craig Whitmore
Quoted 6 lines · Norman Specht

Hi,

i'm trying to develop a image preprocessor which takes the image from a webcam (e.g /dev/video0), modifies it and render it to a second device (e.g /dev/myVideo0).

Quoted 6 lines
Quoted 3 lines

Grabbing the picture from the webcam isn't the problem but my problem is: How can i create a device which behaves like a webcam?

I'm running a ubuntu 8.10, and i tried including the kernel headers (media/v4l2-common.h, etc.) in many different ways to make my g++ compile my program. Is there some special way to do this?

google for dvbloopback..

dvb loopback?

vloopback and v4l2vd

http://v4l2vd.sourceforge.net/

Markus

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