#!/bin/sh
#
# iptvstream.sh can be used by the VDR iptv plugin to transcode external
# sources
#
# (C) 2007 Rolf Ahrenberg, Antti Seppälä
#
# iptvstream.sh is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This package is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this package; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
# MA 02110-1301, USA.

if [ $# -ne 2 ]; then
    logger "$0: error: Invalid parameter count '$#' $*"
    exit 1
fi

#killall -9 ffmpeg.streamdev

echo >/tmp/iptvstream

# Channels.conf parameter
PARAMETER=${1}

# Iptv plugin listens this port
PORT=${2}

# Default settings for stream transcoding
LOG=/tmp/iptvstream
VCODEC=mpeg2video
VBITRATE=2000
ACODEC=mp2
ABITRATE=192
fr=25
resx=720
resy=480
fifo=/tmp/streamsvideo${PARAMETER}.fifo

{
echo Script started $1 $2 >>/tmp/iptvstream
# There is a way to specify multiple URLs in the same script. The selection is
# then controlled by the extra parameter passed by IPTV plugin to the script

	echo "Getting new URL">>$LOG
	URL="/dev/video0"
	echo $PLX $URL >>$LOG
echo "Change Channel to $PARAMETER on Cable Box" >>$LOG
/usr/local/bin/6200ch -v ${PARAMETER} >>$LOG
sleep 5s
if [ -z "${URL}" ]; then
    logger "$0: error: URL not defined!"
    exit 1
fi

if [ -z "${URL}" ]; then
    logger "$0: error: URL not defined!"
    exit 1
fi
MYPID=$$
echo "Streamsvideo.sh PID is $MYPID" >>$LOG
# Create transcoding options
echo "Streamdev Plugin $PARAMETER $URL" >>$LOG
# Capture VLC pid for further management in IPTV plugin
#mkfifo $fifo
#mplayer $mplayeropts -nocache "$URL" -dumpstream -dumpfile $fifo >>${LOG} &
#MPID=${!}

ffmpeg.streamdev -v 1 \
         -i $URL -debug 1\
          -f mpegts -r $fr -vcodec ${VCODEC} -b ${VBITRATE}k -copyts -s 1280x720\
          -acodec ${ACODEC} -ac 2 -ab ${ABITRATE}k -ar 48000 \
          "udp://127.0.0.1:${PORT}?pkt_size=32712" &

     
 
PID=${!}
echo "pid of ffmpeg.streamdev $PID" >> $LOG
echo $PID >/tmp/iptv-$MYPID
#echo $MPID >>/tmp/iptv-$MYPID

/etc/vdr/plugins/iptv/procchk ${MYPID} &

trap 'echo Trap activated; kill -9 ${PID} 2>> $LOG ' KILL INT EXIT QUIT TERM

# Waiting for the given PID to terminate
wait ${PID}
kill -9 $PID

} >> ${LOG} 2>&1