Solution On OctoPrint

1. SD Card image:

https://unofficialpi.org/Distros/OctoPi/nightly/2022-02-24_2022-01-28-octopi-bullseye-armhf-lite-1.0.0.zip

2. System information:

pi@octopi:~ $ uname -a
Linux octopi 5.10.92-v7l+ #1514 SMP Mon Jan 17 17:38:03 GMT 2022 armv7l GNU/Linux

pi@octopi:~ $ lsb_release -a
No LSB modules are available.
Distributor ID: Raspbian
Description:    Raspbian GNU/Linux 11 (bullseye)
Release:        11
Codename:       bullseye

3. Install dependencies

3.1. Install the Driver and libcamera

Quick Start Guide

3.2. Test

Check video device:

libcamera-still -t 5000 -o test.jpg -n

4. Download libcamera plugin source code

Clone mjpg-streamer source code and execute the following commands, compile and install the libcamera plugin.

git clone https://github.com/ArduCAM/mjpg-streamer.git mjpg-streamer-libcamera
cd mjpg-streamer-libcamera/mjpg-streamer-experimental
make
sudo install -m 755 _build/mjpg_streamer /opt/mjpg-streamer
sudo find _build -name "*.so" -type f -exec install -m 644 {} /opt/mjpg-streamer \;
sudo cp -a -r ./www /opt/mjpg-streamer
sudo chmod 755 /opt/mjpg-streamer/www
sudo chmod -R 644 /opt/mjpg-streamer/www

5. Modify the octopi.txt file

Edit /boot/octopi.txt, and make the following changes

5.1. Configure which camera to use

like this:

5.2. Set parameters for libcamera plugin.

camera_libcamera_options=""

Parameter details can be viewed using the following command.

./mjpg_streamer -i "input_libcamera.so -h"

5.3. Configuration of camera HTTP output

camera_http_webroot="./www"
camera_http_options=""

You can also use the command to view the camera_http_options parameter.

./mjpg_streamer -o "output_http.so -h"

6. Replace webcamd file

webcamd is in the /root/bin directory.

You can change the name of the original file to achieve the purpose of backup. Then copy our modified webcamd to the /root/bin directory.

In the example, we downloaded the new file to the /home/pi directory.

cd ~
sudo mv /root/bin/webcamd /root/bin/webcamd.bak
sudo wget -O webcamd https://github.com/ArduCAM/mjpg-streamer/releases/download/v1.0.0/webcamd
sudo mv webcamd /root/bin/
sudo chmod 755 /root/bin/webcamd

7. Reboot your Pi