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30 lines
1.2 KiB
Bash
30 lines
1.2 KiB
Bash
#!/usr/bin/env bash
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#
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# Author: SharkWipf
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#
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# This hook allows automatically switch monitor inputs when starting/stopping a VM.
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# This file depends on the Passthrough POST hook helper script found in this repo.
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# Place this script in BOTH these directories (or symlink it):
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# $SYSCONFDIR/libvirt/hooks/qemu.d/your_vm/started/begin/
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# $SYSCONFDIR/libvirt/hooks/qemu.d/your_vm/stopped/end/
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# $SYSCONFDIR usuallu is /etc/libvirt.
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# Set the files as executable through `chmod +x` and configure your inputs.
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# You also need `ddcutil` and a ddcutil-compatible monitor.
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#
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# Make sure you specify the right settings for your setup below or it won't work.
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VM_DISPLAY="0" # The display shown in `ddcutil detect`
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VM_INPUT="12" # The input the VM is connected to (without 0x, but with leading zeroes, if any. See `ddcutil capabilities`)
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HOST_INPUT="0f" # The input the host is connected to (without 0x, but with leading zeroes, if any. See `ddcutil capabilities`)
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if [[ "$2/$3" == "started/begin" ]]; then
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INPUT="$VM_INPUT"
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elif [[ "$2/$3" == "stopped/end" ]]; then
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INPUT="$HOST_INPUT"
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fi
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if [[ "$(ddcutil -d "$VM_DISPLAY" getvcp 60 --terse | awk '{print $4}')" != "x$INPUT" ]]; then
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ddcutil -d "$VM_DISPLAY" setvcp 60 "0x$INPUT"
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fi
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