Created
October 7, 2020 16:30
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CamLink 4k with hero 5 camera. Creates video4linux dummy device for ubuntu 20.04
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| sudo modprobe v4l2loopback devices=1 exclusive_caps=1 | |
| # v4l2-ctl --list-devices | |
| # Get the video devices for the camlink and dummy. | |
| #Dummy video device (0x0000) (platform:v4l2loopback-000): | |
| # /dev/video2 | |
| # | |
| #Cam Link 4K: Cam Link 4K (usb-0000:08:00.0-2): | |
| # /dev/video0 | |
| # /dev/video1 | |
| # /dev/media0 | |
| # | |
| # Then set | |
| #ELGATO=/dev/video0 | |
| #V4LOOP=/dev/video2 | |
| # | |
| # OR | |
| ELGATO=$(v4l2-ctl --list-devices | awk '/Cam Link 4K/{getline;gsub(/^[ \t]+/, "", $0); print}') | |
| V4LOOP=$(v4l2-ctl --list-devices | awk '/Dummy video device/{getline;gsub(/^[ \t]+/, "", $0); print}') | |
| ffmpeg -f v4l2 -input_format yuyv422 -framerate 60 -video_size 1920x1080 -i $ELGATO -pix_fmt yuyv422 -codec copy -f v4l2 $V4LOOP |
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