21 lines
526 B
Bash
21 lines
526 B
Bash
# {{ ansible_managed }}
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#!/bin/bash
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set -eu
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set -o pipefail
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trap 'mqtt-simple -h {{ mqtt_internal_host }} -p '{{ music_mqtt_mpd_volume }}' -m "" -r' EXIT
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prev_volume=x
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(echo mixer; mpc idleloop) | while read event; do
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if [ $event = "mixer" ]; then
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volume=`mpc volume | sed -nr 's/^volume: ([0-9]+)%$/\1/p'`
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if [ "$prev_volume" != "$volume" ]; then
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mqtt-simple -h {{ mqtt_internal_host }} -p '{{ music_mqtt_mpd_volume }}' -r -m "$volume"
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fi
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prev_volume=$volume
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fi
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done
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