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How to compile/install v4l2loopback?

Started by merp, June 22, 2022, 05:14:46 PM

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I'd like to be able to project the video from my phone camera to a FPP instance. On my phone I'm running DroidCam, on FPP I have the DroidCam client, and I was going to set it up to make the video stream available via /dev/video0 which I'd use as the video source for the FPP Video Capture plugin.

To set up /dev/video0 I wanted to install v4l2loopback, and always get this error: "Your kernel headers for kernel 5.10.63-v7+ cannot be found at /lib/modules/5.10.63-v7+/build or /lib/modules/5.10.63-v7+/source." A new install of raspberrypi-kernel-headers only downloads the headers for the latest kernel, not 5.10.63-v7+. I'm having trouble finding 5.10.63-v7+ headers anywhere.

I understand that upgrading the kernel is not recommended; is there another way to install this?


What SD image are you running, is this the v6 beta image?

The following installation instructions work for me on a v6 beta SD image.

# Download source and install
git clone
cd v4l2loopback
sudo make install


Version 5.5

I assumed v6 wasn't yet ready to be used for live shows?


I have one system still running FPP v5.x and was able to test.  You should be able to run the following commands:

sudo dpkg -i raspberrypi-kernel-headers_1.20211007-2_armhf.deb

After that, the make command for v4l2loopback should complete successfully.


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