livestreamer mp3 grabber

gistfile1.sh

#!/bin/bash

# paths
LIVESTREAMER="livestreamer"
FFMPEG="ffmpeg"


#####


if [ $# -lt 1 ]; then
	echo -n "Usage: $0 input [output]"
	exit 0
fi


if [[ -z `which $LIVESTREAMER` ]]; then
	echo "livestreamer not found" 1>&2
	exit 1;
fi

if [[ -z `which $FFMPEG` ]]; then
	echo "ffmpeg not found" 1>&2
	exit 1;
fi


#####


IN=$1
OUT="${@:2}"
if [[ -z $OUT ]]; then OUT="output"; fi
OUT="$OUT.mp3"


if [[ -n `which mktemp` ]]; then
	TMPFILE=$(mktemp)
else
	TMPFILE="$(md5sum <<< "$$.$RANDOM" | cut -b -16).tmp"
fi

if [[ -e $TMPFILE ]]; then
	echo "could not create temp file" 1>&2
	exit 1;
fi


$LIVESTREAMER $1 best -o $TMPFILE \
	&& $FFMPEG -y -i $TMPFILE -c:a libmp3lame -b:a 320k -joint_stereo 0 "$OUT" \
	&& echo "$OUT successfully written";

if [[ -f $TMPFILE ]]; then
	rm $TMPFILE;
fi