overlap a music with a scanner

scannerdarkly

#!/usr/bin/env bash

# overlap a music with a scanner
# needs mpv or vlc

DRONE_URL="https://somafm.com/darkzone256.pls"
DRONE_VOL=70

SCANNER_URL="https://somafm.com/nossl/scanner.pls"
SCANNER_VOL=100

original_settings=$(stty -g)

if command -v mpv &> /dev/null; then
    walkman="mpv"
    quiet_arg="--really-quiet"
elif command -v vlc &> /dev/null; then
    walkman="cvlc"
    quiet_arg="--quiet"
else
    echo "needs mpv or vlc"
    exit 1
fi

$walkman --volume=$DRONE_VOL $DRONE_URL &
darkzone=$!

$walkman $quiet_arg --volume=$SCANNER_VOL $SCANNER_URL &
scanner=$!

cleanup() {
    kill $darkzone $scanner
    stty "$original_settings"
}

trap cleanup INT TERM
wait $darkzone $scanner