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How to write on a virtual webcam in Linux?

I want to capture video from a real webcam, apply filters with openCv and write filtered video on a virtual webcam to transmit it on the Internet.

I have no problem with the first two points, but I do not know how I can write on a virtual webcam.

Is it possible?

How can i do this?

I am using openCv with C ++ on Debian . Thanks

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, . - WebcamStudio. (,/device/video2), , , OpenCV .

, V4L2 loop back module. , OpenCV , . . Readme : https://github.com/umlaeute/v4l2loopback wiki: https://github.com/umlaeute/v4l2loopback/wiki .

, .

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