19 lines
1.3 KiB
Bash
19 lines
1.3 KiB
Bash
# Expose the Elgato Cam Link 4K as a 16:9-only virtual camera.
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# Browsers ask it for 640x480, which it fills by cropping, and the 4:3 frame
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# then gets stretched into a 16:9 tile. The raw node is hidden from users and
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# v4l2-relayd re-exposes it at 1280x720 under the same name.
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if omarchy-hw-elgato-camlink-4k; then
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mapfile -t kernel_headers < <(pacman -Qqs '^linux(-zen|-lts|-hardened|-t2|-ptl|-omarchy(-bore|-ptl-novrr-mm)?)?$' | sed 's/$/-headers/')
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omarchy-pkg-add "${kernel_headers[@]}" v4l2loopback-dkms v4l2loopback-utils v4l2-relayd
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sudo install -Dm644 "$OMARCHY_PATH/default/udev/elgato-camlink-4k.rules" /etc/udev/rules.d/71-elgato-camlink-4k.rules
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sudo install -Dm644 "$OMARCHY_PATH/default/v4l2-relayd/camlink.conf" /etc/v4l2-relayd.d/camlink.conf
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sudo install -Dm644 "$OMARCHY_PATH/default/systemd/system/camlink-4k-loopback.service" /etc/systemd/system/camlink-4k-loopback.service
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sudo install -Dm644 "$OMARCHY_PATH/default/systemd/system/v4l2-relayd@camlink.service.d/camlink.conf" "/etc/systemd/system/v4l2-relayd@camlink.service.d/camlink.conf"
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# The module's own default device would otherwise show up in browsers as
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# "Dummy video device" on machines without another relay.
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echo "options v4l2loopback exclusive_caps=1" | sudo tee /etc/modprobe.d/v4l2loopback-exclusive-caps.conf >/dev/null
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fi
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