BRAVIA の HTTP API を使って外部信号入力がないときに自動電源オフ (HDMI 以外のことは全く考慮してないので注意)

auto-poweroff.sh

#!/bin/sh

# Get external input states
input_statuses=$(./bravia-cmd.sh avContent getCurrentExternalInputsStatus 105 '[]' 1.1 | jq -c '.result[][]')

while IFS= read -r input; do
  if [[ $(echo $input | jq -r '.status') = 'true' ]]; then
    # When input signal is detected
    uri=$(echo $input | jq -r '.uri')
    current_input=$(./bravia-cmd.sh avContent getPlayingContentInfo 103 '[]' 1.0)

    # Do nothing when any app is active
    [[ $(echo $current_input | jq 'has("error")') = 'true' ]] && exit

    # Do nothing when this input is active
    [[ $(echo $current_input | jq ".result[].uri | contains(\"$uri\")") != 'false' ]] && exit

    # Switch to this input
    ./bravia-cmd.sh avContent setPlayContent 101 "[{\"uri\": \"$uri\"}]" 1.0
    exit
  fi
done <<< "$input_statuses"

# Shutdown the TV when no signals are detected
./bravia-cmd.sh system setPowerStatus 55 '[{ "status": false }]' 1.0 > /dev/null

bravia-cmd.sh

#!/bin/sh

bravia="192.168.0.7"
psk="0000"
json=$(cat << EOS
{
    "method": "$2",
    "id": $3,
    "params": $4,
    "version": "$5"
}
EOS
)

curl \
  -H "X-Auth-PSK: $psk" \
  -H 'Content-Type: application/json' \
  -d "$json" \
  -sS "http://$bravia/sony/$1"