media-agent.sh

#!/bin/bash

# Allowed commndline arguments:
# 	--prev		Previous track
#	--next		Next track
#	--pause		Toggle pause
#       --show          Show info about current track (only for NuvolaPlayer3)

# empty argumetns
if [[ $# -eq 0 ]]; then exit 1; fi

isRunNuvola=0
isRunDeadBeef=0

# check is NuvolaPlayer is launched
if [[ ! -z `ps aux | grep nuvolaplayer3 | grep -v 'grep nuvolaplayer3'` ]]; then
	isRunNuvola=1
fi

# check is DeadBeef player is launched
if [[ ! -z `ps aux | grep deadbeef | grep -v 'grep deadbeef'` ]]; then
	isRunDeadBeef=1
fi

# exit with error when both players are launched
if [[ $isRunNuvola -eq 1 && $isRunDeadBeef -eq 1 ]]; then exit 1; fi

# proxy action to NuvolPlayer
if [[ $isRunNuvola -eq 1 ]]; then
	case $1 in
		'--prev')
			nuvolaplayer3ctl action prev-song &> /dev/null
			;;
		'--next')
			nuvolaplayer3ctl action next-song &> /dev/null
			;;
		'--pause')
			nuvolaplayer3ctl action toggle-play &> /dev/null
			;;
        	'--show')
            		nuvolaplayer3ctl action playback-notification &> /dev/null
            		;;
		*)
			;;
	esac
fi

# proxy action to DeadBeef player
if [[ $isRunDeadBeef -eq 1 ]]; then
	case $1 in
		'--prev')
			deadbeef --prev &> /dev/null
			;;
		'--next')
			deadbeef --next &> /dev/null
			;;
		'--pause')
			deadbeef --toggle-pause &> /dev/null
			;;
		*)
			;;
	esac
fi