announcement-box/bin/pa-lib

#!/bin/bash

DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
export ROOT=`dirname "$DIR"`
export SOUNDS=$ROOT/sounds

export PLAYER=mplayer
export SPEAK=espeak-ng

function info() {
	echo "[INFO]" $@
}

function play() {
	$PLAYER $@ > /dev/null 2>&1
}

function pa-preheat() {
	info "PA Preheating"
	pa-power off
	play $SOUNDS/announcement_4-tone_up_quickest.ogg
	pa-power on
	info "PA Ready"
}

function pa-shutdown() {
	info "PA Shutdown"
	pa-power off
}

function pa-announcement() {
	info " DING   DONG "
	play $SOUNDS/announcement_4-tone_up_smooth.ogg
}

function pa-announcement-quick() {
	info " Ding Dong "
	play $SOUNDS/announcement_4-tone_up_smooth_quick.ogg
}

function pa-announcement-quickest() {
	info " ding-dong "
	play $SOUNDS/announcement_4-tone_up_quickest.ogg
}

function pa-say() {
	info "Say: $@"
	$SPEAK "$@"
}