OBS Virtual Camera
From Install Instructions:
For virtual camera support, you need the v4l2loopback kernel module installed. Install it with:
sudo apt install v4l2loopback-dkms
OBS Studio will normally load the module while starting the virtual camera if the module was not already loaded. This requires a working polkit
setup.
Alternatively, you can also load the module manually:
sudo modprobe v4l2loopback exclusive_caps=1 card_label='OBS Virtual Camera'
You can also use modprobe.d
conf files to automate this.
Once you see v4l2loopback
in this output:
alex@duo > lsmod|grep v4
v4l2loopback 49152 0
videobuf2_v4l2 36864 1 uvcvideo
videodev 352256 3 videobuf2_v4l2,v4l2loopback,uvcvideo
videobuf2_common 81920 4 videobuf2_vmalloc,videobuf2_v4l2,uvcvideo,videobuf2_memops
mc 81920 5 videodev,snd_usb_audio,videobuf2_v4l2,uvcvideo,videobuf2_common
you can start OBS - you should see Start Virtual Camera
Button on the right.
You can now see a new v4l device /dev/video6
:
alex@duo > v4l2-ctl --list-devices
Dummy video device (0x0000) (platform:v4l2loopback-000):
/dev/video6
IPEVO Ziggi-HD Plus (usb-0000:00:14.0-10):
/dev/video4
/dev/video5
/dev/media2
ILCE-7M4 (usb-0000:00:14.0-3):
/dev/video0
/dev/video1
/dev/media0
EMEET SmartCam S800: EMEET Smar (usb-0000:00:14.0-5):
/dev/video2
/dev/video3
/dev/media1
alex@duo > v4l2-ctl --list-formats-ext --device /dev/video6
ioctl: VIDIOC_ENUM_FMT
Type: Video Capture
[0]: 'YUYV' (YUYV 4:2:2)
Size: Discrete 1920x1080
Interval: Discrete 0.033s (30.000 fps)
Test it:
vlc 'v4l2:///dev/video6:width=1920:height=1080:fps=30:chroma=YUYV'
https://github.com/CatxFish/obs-v4l2sink