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- #/bin/sh
- # This script monitors if a dvb device's frontend is opened by VDR.
- # Can be used with a single tuner or with two tuners.
- # Output:
- # 1 - adapter 0 is on
- # 2 - adapter 1 is on
- # 3 - both are on
- # - - both are off
- # . - VDR is not running
- # VDR executable. Change to vdr.bin for OpenELEC.
- VDR=vdr
- # Uncomment this if you want to output timestamps of status changes
- PRINT_TIMESTAMPS=yes
- old_status='*'
- old_stamp=$(date +%s)
- while true; do
- vdrpid=$(pidof $VDR)
- if [ -z "$vdrpid" ]; then
- status='.'
- else
- mask=0
- for adapter in 0 1; do
- if lsof -p $vdrpid 2>/dev/null | grep -q "adapter$adapter/frontend"; then
- mask=$(($mask + $adapter + 1))
- fi
- done
- if [ $mask -eq 0 ]; then
- status='-'
- else
- status=$mask
- fi
- fi
- stamp=$(date +%s)
- if [ -n "$PRINT_TIMESTAMPS" -a "$old_status" != "$status" ]; then
- printf '\n[%s] %s>%s +%ds\n' $(date +%H:%M:%S) "$old_status" $status $(($stamp - $old_stamp))
- old_stamp=$stamp
- fi
- old_status=$status
- printf "$status"
- sleep 1
- done
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