#!/bin/bash
# Start streaming sopcast address $1 with sp-sc, then start mplayer and monitor both processes.
# Author: Chickamade <anh.chick@gmail.com> and Fernando Sancho <toptnc@gmail.com>

PLAYER="mplayer"
PLAYERNAME="mplayer"
PLAYERARGS="-fs -ontop -vo xv"

if ! test $# -eq 1
then
	echo 'Usage: sopcast <sop://address>'
	exit 0
fi

if pgrep -f "sp-sc $1"
then
	echo sopcast: channel $1 already streaming, quitting >&2
	exit 0
fi

PORT=${1##*/}

echo sopcast: starting stream $1 on port $PORT >&2
sp-sc "$1" 3908 $PORT >/dev/null &
SP_SC=`pgrep -f "sp-sc $1 3908 $PORT"`
if test -z $SP_SC
then
	echo sopcast: stream $1 failed to start >&2
	exit 1
fi

sleep 20

$PLAYER $PLAYERARGS http://localhost:$PORT/tv.asf >/dev/null 2>&1 &
PLAYERPID=$(pgrep -f "$PLAYER $PLAYERARGS http://localhost:$PORT/tv.asf")
if test -z $PLAYERPID
then
	echo sopcast: $PLAYERNAME failed to start >&2
	kill -9 $SP_SC
	exit 1
fi

while true
do
	if ! ps $SP_SC > /dev/null
	then
		echo sopcast: stream $1 died, killing $PLAYERNAME >&2
		kill $PLAYERPID
		exit 1
	fi
	if ! ps $PLAYERPID > /dev/null
	then
		echo sopcast: $PLAYERNAME not running, killing stream $1 >&2
		kill -9 $SP_SC
		exit 0
	fi
	sleep 10
done
exit 0