v4l2-ctl
Control video devices. More information: <https://manned.org/v4l2-ctl>.
Install
- All systems
-
curl cmd.cat/v4l2-ctl.sh
- Debian
-
apt-get install v4l-utils - Ubuntu
-
apt-get install v4l-utils -
Alpine
-
apk add v4l-utils - Arch Linux
-
pacman -S v4l-utils - Kali Linux
-
apt-get install v4l-utils - CentOS
-
yum install v4l-utils - Fedora
-
dnf install v4l-utils - Windows (WSL2)
-
sudo apt-get updatesudo apt-get install v4l-utils - Raspbian
-
apt-get install v4l-utils - Dockerfile
- dockerfile.run/v4l2-ctl
- Docker
-
docker run cmd.cat/v4l2-ctl v4l2-ctlpowered by Commando
Control video devices. More information: <https://manned.org/v4l2-ctl>.
-
List all video devices:
v4l2-ctl --list-devices -
List supported video formats and resolutions of default video device `/dev/video0`:
v4l2-ctl --list-formats-ext -
List supported video formats and resolutions of a specific video device:
v4l2-ctl --list-formats-ext --device path/to/video_device -
Get all details of a video device:
v4l2-ctl --all --device path/to/video_device -
Capture a JPEG photo with a specific resolution from video device:
v4l2-ctl --device path/to/video_device --set-fmt-video=width=width,height=height,pixelformat=MJPG --stream-mmap --stream-to=path/to/output.jpg --stream-count=1 -
Capture a raw video stream from video device:
v4l2-ctl --device path/to/video_device --set-fmt-video=width=width,height=height,pixelformat=format --stream-mmap --stream-to=path/to/output --stream-count=number_of_frames_to_capture -
List all video device's controls and their values:
v4l2-ctl --list-ctrls --device path/to/video_device -
Set the value of a video device control:
v4l2-ctl --device path/to/video_device --set-ctrl=control_name=value
© tl;dr; authors and contributors