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I want to enable my screen as a video capture drive, so I can share (stream) my desktop screen instead my webcam.

I'm using Mint 12 (based on Ubuntu).

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3 Answers 3

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There are several software that help you doing that. For example:

  1. http://www.ws4gl.org/ Webcam Studio for stream your video from different sources, also from desktop.
  2. http://recordmydesktop.sourceforge.net/about.php
  3. https://launchpad.net/kazam It seems pretty good.
  4. http://xvidcap.sourceforge.net/ I used that when i needed to make a video of my desktop

And for another list of available software check that post: http://ostatic.com/blog/six-top-screen-capture-tools-for-linux#intro

Hope that this help.

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  • 4
    I don't want to "record my desktop", I want to get my screen and stream it as video input, like a webcam or other device on /dev/video
    – Thiago Belem
    Jan 7, 2012 at 22:01
  • Take a look at kazam (it is used to make screencast, and maybe you can stream it in some way, for example using a video streaming software that read from the video that you are recording). And try that software: ws4gl.org It is used to stream from different sources it says also from desktop.
    – Ivan
    Jan 7, 2012 at 22:42
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VLC should, in theory be able to take a video stream from your desktop- with "screen://" as your input option and output it to another streaming source. However whether if will work with the software you have in mind would depend on what that software is.

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Something like this should work:

ffmpeg -f x11grab -framerate 30 -video_size 1920x1080 -i :0.0+1920,0 -f v4l2 -vf scale=3840:-1 -vcodec rawvideo -pix_fmt rgb24 /dev/video1

Just do sudo apt install ffmpeg first, then you'll probabbly have to create /dev/video1, so touch /dev/video1 && sudo chmod 666 /dev/video*

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  • Hey Chicken Soup, thanks for your solution. I think it will work, but I am having issues with ioctl. Any idea how to solve this? [video4linux2,v4l2 @ 0x563e5f1d4ec0] ioctl(VIDIOC_G_FMT): Inappropriate ioctl for device Could not write header for output file #0 (incorrect codec parameters ?): Inappropriate ioctl for device Error initializing output stream 0:0 -- Conversion failed!
    – mate.gvo
    Jan 4, 2021 at 16:25
  • @mate.gwozdz Does unix.stackexchange.com/questions/528400/… answer your question?
    – dǝɥɔS ʇoıןןƎ
    Jan 5, 2021 at 4:03
  • soup Thank you for your help, I've just tried the answer, and keep having the same error. "Inappropriate ioctl for device. Could not write header for output file #0 (incorrect codec parameters ?): Inappropriate ioctl for device". Maybe something to do with virtual box machine
    – mate.gvo
    Jan 5, 2021 at 8:14
  • That's a php error. Double check you're using the latest version of FFmpeg
    – dǝɥɔS ʇoıןןƎ
    Jan 6, 2021 at 0:35

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